DO NOT MERGE - Merge qt-dev-plus-aosp-without-vendor (5713463) into stage-aosp-master
Bug: 134405016
Change-Id: I4dd4276ada501f1ad20936d2e84a740807bce5f6
diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index 587d25f..5186ad3 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -171,6 +171,7 @@
{ OPT, "events/clk/clk_disable/enable" },
{ OPT, "events/clk/clk_enable/enable" },
{ OPT, "events/power/cpu_frequency_limits/enable" },
+ { OPT, "events/power/suspend_resume/enable" },
} },
{ "membus", "Memory Bus Utilization", 0, {
{ REQ, "events/memory_bus/enable" },
diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index f1426b6..6e460a0 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -49,6 +49,8 @@
chmod 0666 /sys/kernel/tracing/events/power/cpu_frequency_limits/enable
chmod 0666 /sys/kernel/debug/tracing/events/power/gpu_frequency/enable
chmod 0666 /sys/kernel/tracing/events/power/gpu_frequency/enable
+ chmod 0666 /sys/kernel/debug/tracing/events/power/suspend_resume/enable
+ chmod 0666 /sys/kernel/tracing/events/power/suspend_resume/enable
chmod 0666 /sys/kernel/debug/tracing/events/cpufreq_interactive/enable
chmod 0666 /sys/kernel/tracing/events/cpufreq_interactive/enable
chmod 0666 /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_begin/enable
diff --git a/cmds/dumpstate/Android.bp b/cmds/dumpstate/Android.bp
index 4020480..93bbe90 100644
--- a/cmds/dumpstate/Android.bp
+++ b/cmds/dumpstate/Android.bp
@@ -86,15 +86,14 @@
"libdumpstateaidl",
"libdumpstateutil",
"libdumputils",
+ "libhardware_legacy",
"libhidlbase",
"libhidltransport",
"liblog",
"libutils",
],
srcs: [
- "DumpstateSectionReporter.cpp",
"DumpstateService.cpp",
- "utils.cpp",
],
static_libs: [
"libincidentcompanion",
@@ -146,7 +145,11 @@
],
static_libs: ["libgmock"],
test_config: "dumpstate_test.xml",
- data: [":dumpstate_test_fixture", "tests/testdata/**/*"]
+ data: [
+ ":dumpstate_test_fixture",
+ "tests/testdata/**/*",
+ ],
+ test_suites: ["device-tests"],
}
cc_test {
diff --git a/cmds/dumpstate/DumpstateInternal.cpp b/cmds/dumpstate/DumpstateInternal.cpp
index 33e35f7..bbc724c 100644
--- a/cmds/dumpstate/DumpstateInternal.cpp
+++ b/cmds/dumpstate/DumpstateInternal.cpp
@@ -68,7 +68,8 @@
}
static const std::vector<std::string> group_names{
- "log", "sdcard_r", "sdcard_rw", "mount", "inet", "net_bw_stats", "readproc", "bluetooth"};
+ "log", "sdcard_r", "sdcard_rw", "mount", "inet", "net_bw_stats",
+ "readproc", "bluetooth", "wakelock"};
std::vector<gid_t> groups(group_names.size(), 0);
for (size_t i = 0; i < group_names.size(); ++i) {
grp = getgrnam(group_names[i].c_str());
@@ -116,6 +117,11 @@
capdata[cap_syslog_index].effective |= cap_syslog_mask;
}
+ const uint32_t cap_block_suspend_mask = CAP_TO_MASK(CAP_BLOCK_SUSPEND);
+ const uint32_t cap_block_suspend_index = CAP_TO_INDEX(CAP_BLOCK_SUSPEND);
+ capdata[cap_block_suspend_index].permitted |= cap_block_suspend_mask;
+ capdata[cap_block_suspend_index].effective |= cap_block_suspend_mask;
+
if (capset(&capheader, &capdata[0]) != 0) {
MYLOGE("capset({%#x, %#x}) failed: %s\n", capdata[0].effective,
capdata[1].effective, strerror(errno));
diff --git a/cmds/dumpstate/DumpstateSectionReporter.cpp b/cmds/dumpstate/DumpstateSectionReporter.cpp
deleted file mode 100644
index f814bde..0000000
--- a/cmds/dumpstate/DumpstateSectionReporter.cpp
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "dumpstate"
-
-#include "DumpstateSectionReporter.h"
-
-namespace android {
-namespace os {
-namespace dumpstate {
-
-DumpstateSectionReporter::DumpstateSectionReporter(const std::string& title,
- sp<android::os::IDumpstateListener> listener,
- bool sendReport)
- : title_(title), listener_(listener), sendReport_(sendReport), status_(OK), size_(-1) {
- started_ = std::chrono::steady_clock::now();
-}
-
-DumpstateSectionReporter::~DumpstateSectionReporter() {
- if ((listener_ != nullptr) && (sendReport_)) {
- auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(
- std::chrono::steady_clock::now() - started_);
- listener_->onSectionComplete(title_, status_, size_, (int32_t)elapsed.count());
- }
-}
-
-} // namespace dumpstate
-} // namespace os
-} // namespace android
diff --git a/cmds/dumpstate/DumpstateSectionReporter.h b/cmds/dumpstate/DumpstateSectionReporter.h
deleted file mode 100644
index e971de8..0000000
--- a/cmds/dumpstate/DumpstateSectionReporter.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_OS_DUMPSTATESECTIONREPORTER_H_
-#define ANDROID_OS_DUMPSTATESECTIONREPORTER_H_
-
-#include <android/os/IDumpstateListener.h>
-#include <utils/StrongPointer.h>
-
-namespace android {
-namespace os {
-namespace dumpstate {
-
-
-/*
- * Helper class used to report per section details to a listener.
- *
- * Typical usage:
- *
- * DumpstateSectionReporter sectionReporter(title, listener, sendReport);
- * sectionReporter.setSize(5000);
- *
- */
-class DumpstateSectionReporter {
- public:
- DumpstateSectionReporter(const std::string& title, sp<android::os::IDumpstateListener> listener,
- bool sendReport);
-
- ~DumpstateSectionReporter();
-
- void setStatus(status_t status) {
- status_ = status;
- }
-
- void setSize(int size) {
- size_ = size;
- }
-
- private:
- std::string title_;
- android::sp<android::os::IDumpstateListener> listener_;
- bool sendReport_;
- status_t status_;
- int size_;
- std::chrono::time_point<std::chrono::steady_clock> started_;
-};
-
-} // namespace dumpstate
-} // namespace os
-} // namespace android
-
-#endif // ANDROID_OS_DUMPSTATESECTIONREPORTER_H_
diff --git a/cmds/dumpstate/DumpstateService.cpp b/cmds/dumpstate/DumpstateService.cpp
index 37ba4f9..f98df99 100644
--- a/cmds/dumpstate/DumpstateService.cpp
+++ b/cmds/dumpstate/DumpstateService.cpp
@@ -200,8 +200,7 @@
dprintf(fd, "id: %d\n", ds_->id_);
dprintf(fd, "pid: %d\n", ds_->pid_);
dprintf(fd, "update_progress: %s\n", ds_->options_->do_progress_updates ? "true" : "false");
- dprintf(fd, "update_progress_threshold: %d\n", ds_->update_progress_threshold_);
- dprintf(fd, "last_updated_progress: %d\n", ds_->last_updated_progress_);
+ dprintf(fd, "last_percent_progress: %d\n", ds_->last_reported_percent_progress_);
dprintf(fd, "progress:\n");
ds_->progress_->Dump(fd, " ");
dprintf(fd, "args: %s\n", ds_->options_->args.c_str());
diff --git a/cmds/dumpstate/DumpstateUtil.cpp b/cmds/dumpstate/DumpstateUtil.cpp
index 97c8ae2..4b69607 100644
--- a/cmds/dumpstate/DumpstateUtil.cpp
+++ b/cmds/dumpstate/DumpstateUtil.cpp
@@ -378,34 +378,6 @@
return status;
}
-int GetPidByName(const std::string& ps_name) {
- DIR* proc_dir;
- struct dirent* ps;
- unsigned int pid;
- std::string cmdline;
-
- if (!(proc_dir = opendir("/proc"))) {
- MYLOGE("Can't open /proc\n");
- return -1;
- }
-
- while ((ps = readdir(proc_dir))) {
- if (!(pid = atoi(ps->d_name))) {
- continue;
- }
- android::base::ReadFileToString("/proc/" + std::string(ps->d_name) + "/cmdline", &cmdline);
- if (cmdline.find(ps_name) == std::string::npos) {
- continue;
- } else {
- closedir(proc_dir);
- return pid;
- }
- }
- MYLOGE("can't find the pid\n");
- closedir(proc_dir);
- return -1;
-}
-
} // namespace dumpstate
} // namespace os
} // namespace android
diff --git a/cmds/dumpstate/DumpstateUtil.h b/cmds/dumpstate/DumpstateUtil.h
index d75b08c..b7ac25c 100644
--- a/cmds/dumpstate/DumpstateUtil.h
+++ b/cmds/dumpstate/DumpstateUtil.h
@@ -205,12 +205,6 @@
*/
int DumpFileToFd(int fd, const std::string& title, const std::string& path);
-/*
- * Finds the process id by process name.
- * |ps_name| the process name we want to search for
- */
-int GetPidByName(const std::string& ps_name);
-
} // namespace dumpstate
} // namespace os
} // namespace android
diff --git a/cmds/dumpstate/TEST_MAPPING b/cmds/dumpstate/TEST_MAPPING
new file mode 100644
index 0000000..083944f
--- /dev/null
+++ b/cmds/dumpstate/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+ "presubmit": [
+ {
+ "name": "dumpstate_test"
+ }
+ ]
+}
\ No newline at end of file
diff --git a/cmds/dumpstate/binder/android/os/IDumpstateListener.aidl b/cmds/dumpstate/binder/android/os/IDumpstateListener.aidl
index ea1e467..e486460 100644
--- a/cmds/dumpstate/binder/android/os/IDumpstateListener.aidl
+++ b/cmds/dumpstate/binder/android/os/IDumpstateListener.aidl
@@ -61,21 +61,4 @@
* Called when taking bugreport finishes successfully.
*/
void onFinished();
-
- // TODO(b/111441001): Remove old methods when not used anymore.
- void onProgressUpdated(int progress);
- void onMaxProgressUpdated(int maxProgress);
-
- /**
- * Called after every section is complete.
- *
- * @param name section name
- * @param status values from status_t
- * {@code OK} section completed successfully
- * {@code TIMEOUT} dump timed out
- * {@code != OK} error
- * @param size size in bytes, may be invalid if status != OK
- * @param durationMs duration in ms
- */
- void onSectionComplete(@utf8InCpp String name, int status, int size, int durationMs);
}
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index cc74570..af9ce78 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -22,6 +22,8 @@
#include <inttypes.h>
#include <libgen.h>
#include <limits.h>
+#include <math.h>
+#include <poll.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
@@ -32,13 +34,22 @@
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/wait.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <string.h>
+#include <sys/capability.h>
+#include <sys/inotify.h>
+#include <sys/klog.h>
+#include <time.h>
#include <unistd.h>
#include <chrono>
+#include <cmath>
#include <fstream>
#include <functional>
#include <future>
#include <memory>
+#include <numeric>
#include <regex>
#include <set>
#include <string>
@@ -58,17 +69,19 @@
#include <binder/IServiceManager.h>
#include <cutils/native_handle.h>
#include <cutils/properties.h>
+#include <cutils/sockets.h>
#include <debuggerd/client.h>
#include <dumpsys.h>
#include <dumputils/dump_utils.h>
+#include <hardware_legacy/power.h>
#include <hidl/ServiceManagement.h>
+#include <log/log.h>
#include <openssl/sha.h>
#include <private/android_filesystem_config.h>
#include <private/android_logger.h>
#include <serviceutils/PriorityDumper.h>
#include <utils/StrongPointer.h>
#include "DumpstateInternal.h"
-#include "DumpstateSectionReporter.h"
#include "DumpstateService.h"
#include "dumpstate.h"
@@ -93,9 +106,28 @@
using android::os::IDumpstateListener;
using android::os::dumpstate::CommandOptions;
using android::os::dumpstate::DumpFileToFd;
-using android::os::dumpstate::DumpstateSectionReporter;
using android::os::dumpstate::PropertiesHelper;
+// Keep in sync with
+// frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java
+static const int TRACE_DUMP_TIMEOUT_MS = 10000; // 10 seconds
+
+/* Most simple commands have 10 as timeout, so 5 is a good estimate */
+static const int32_t WEIGHT_FILE = 5;
+
+// TODO: temporary variables and functions used during C++ refactoring
+static Dumpstate& ds = Dumpstate::GetInstance();
+static int RunCommand(const std::string& title, const std::vector<std::string>& full_command,
+ const CommandOptions& options = CommandOptions::DEFAULT) {
+ return ds.RunCommand(title, full_command, options);
+}
+
+// Reasonable value for max stats.
+static const int STATS_MAX_N_RUNS = 1000;
+static const long STATS_MAX_AVERAGE = 100000;
+
+CommandOptions Dumpstate::DEFAULT_DUMPSYS = CommandOptions::WithTimeout(30).Build();
+
typedef Dumpstate::ConsentCallback::ConsentResult UserConsentResult;
/* read before root is shed */
@@ -132,7 +164,6 @@
static const std::string ANR_FILE_PREFIX = "anr_";
// TODO: temporary variables and functions used during C++ refactoring
-static Dumpstate& ds = Dumpstate::GetInstance();
#define RETURN_IF_USER_DENIED_CONSENT() \
if (ds.IsUserConsentDenied()) { \
@@ -147,6 +178,8 @@
func_ptr(__VA_ARGS__); \
RETURN_IF_USER_DENIED_CONSENT();
+static const char* WAKE_LOCK_NAME = "dumpstate_wakelock";
+
namespace android {
namespace os {
namespace {
@@ -234,10 +267,6 @@
} // namespace os
} // namespace android
-static int RunCommand(const std::string& title, const std::vector<std::string>& fullCommand,
- const CommandOptions& options = CommandOptions::DEFAULT) {
- return ds.RunCommand(title, fullCommand, options);
-}
static void RunDumpsys(const std::string& title, const std::vector<std::string>& dumpsysArgs,
const CommandOptions& options = Dumpstate::DEFAULT_DUMPSYS,
long dumpsysTimeoutMs = 0) {
@@ -1018,7 +1047,6 @@
RETURN_IF_USER_DENIED_CONSENT();
std::string path(title);
path.append(" - ").append(String8(service).c_str());
- DumpstateSectionReporter section_reporter(path, ds.listener_, ds.report_section_);
size_t bytes_written = 0;
status_t status = dumpsys.startDumpThread(service, args);
if (status == OK) {
@@ -1026,12 +1054,10 @@
std::chrono::duration<double> elapsed_seconds;
status = dumpsys.writeDump(STDOUT_FILENO, service, service_timeout,
/* as_proto = */ false, elapsed_seconds, bytes_written);
- section_reporter.setSize(bytes_written);
dumpsys.writeDumpFooter(STDOUT_FILENO, service, elapsed_seconds);
bool dump_complete = (status == OK);
dumpsys.stopDumpThread(dump_complete);
}
- section_reporter.setStatus(status);
auto elapsed_duration = std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now() - start);
@@ -1094,7 +1120,6 @@
path.append("_HIGH");
}
path.append(kProtoExt);
- DumpstateSectionReporter section_reporter(path, ds.listener_, ds.report_section_);
status_t status = dumpsys.startDumpThread(service, args);
if (status == OK) {
status = ds.AddZipEntryFromFd(path, dumpsys.getDumpFd(), service_timeout);
@@ -1103,8 +1128,6 @@
}
ZipWriter::FileEntry file_entry;
ds.zip_writer_->GetLastEntry(&file_entry);
- section_reporter.setSize(file_entry.compressed_size);
- section_reporter.setStatus(status);
auto elapsed_duration = std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now() - start);
@@ -1211,6 +1234,45 @@
}
}
+static void DumpExternalFragmentationInfo() {
+ struct stat st;
+ if (stat("/proc/buddyinfo", &st) != 0) {
+ MYLOGE("Unable to dump external fragmentation info\n");
+ return;
+ }
+
+ printf("------ EXTERNAL FRAGMENTATION INFO ------\n");
+ std::ifstream ifs("/proc/buddyinfo");
+ auto unusable_index_regex = std::regex{"Node\\s+([0-9]+),\\s+zone\\s+(\\S+)\\s+(.*)"};
+ for (std::string line; std::getline(ifs, line);) {
+ std::smatch match_results;
+ if (std::regex_match(line, match_results, unusable_index_regex)) {
+ std::stringstream free_pages(std::string{match_results[3]});
+ std::vector<int> free_pages_per_order(std::istream_iterator<int>{free_pages},
+ std::istream_iterator<int>());
+
+ int total_free_pages = 0;
+ for (size_t i = 0; i < free_pages_per_order.size(); i++) {
+ total_free_pages += (free_pages_per_order[i] * std::pow(2, i));
+ }
+
+ printf("Node %s, zone %8s", match_results[1].str().c_str(),
+ match_results[2].str().c_str());
+
+ int usable_free_pages = total_free_pages;
+ for (size_t i = 0; i < free_pages_per_order.size(); i++) {
+ auto unusable_index = (total_free_pages - usable_free_pages) /
+ static_cast<double>(total_free_pages);
+ printf(" %5.3f", unusable_index);
+ usable_free_pages -= (free_pages_per_order[i] * std::pow(2, i));
+ }
+
+ printf("\n");
+ }
+ }
+ printf("\n");
+}
+
// Dumps various things. Returns early with status USER_CONSENT_DENIED if user denies consent
// via the consent they are shown. Ignores other errors that occur while running various
// commands. The consent checking is currently done around long running tasks, which happen to
@@ -1237,11 +1299,10 @@
DumpFile("ZONEINFO", "/proc/zoneinfo");
DumpFile("PAGETYPEINFO", "/proc/pagetypeinfo");
DumpFile("BUDDYINFO", "/proc/buddyinfo");
- DumpFile("FRAGMENTATION INFO", "/d/extfrag/unusable_index");
+ DumpExternalFragmentationInfo();
DumpFile("KERNEL WAKE SOURCES", "/d/wakeup_sources");
DumpFile("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state");
- DumpFile("KERNEL SYNC", "/d/sync");
RunCommand("PROCESSES AND THREADS",
{"ps", "-A", "-T", "-Z", "-O", "pri,nice,rtprio,sched,pcy,time"});
@@ -2442,6 +2503,13 @@
MYLOGI("begin\n");
+ if (acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_NAME) < 0) {
+ MYLOGE("Failed to acquire wake lock: %s\n", strerror(errno));
+ } else {
+ // Wake lock will be released automatically on process death
+ MYLOGD("Wake lock acquired.\n");
+ }
+
register_sig_handler();
// TODO(b/111441001): maybe skip if already started?
@@ -2572,7 +2640,7 @@
// Dump state for the default case. This also drops root.
RunStatus s = DumpstateDefault();
if (s != RunStatus::OK) {
- if (s == RunStatus::USER_CONSENT_TIMED_OUT) {
+ if (s == RunStatus::USER_CONSENT_DENIED) {
HandleUserConsentDenied();
}
return s;
@@ -2768,3 +2836,940 @@
exit(2);
}
}
+
+// TODO(111441001): Default DumpOptions to sensible values.
+Dumpstate::Dumpstate(const std::string& version)
+ : pid_(getpid()),
+ options_(new Dumpstate::DumpOptions()),
+ last_reported_percent_progress_(0),
+ version_(version),
+ now_(time(nullptr)) {
+}
+
+Dumpstate& Dumpstate::GetInstance() {
+ static Dumpstate singleton_(android::base::GetProperty("dumpstate.version", VERSION_CURRENT));
+ return singleton_;
+}
+
+DurationReporter::DurationReporter(const std::string& title, bool logcat_only)
+ : title_(title), logcat_only_(logcat_only) {
+ if (!title_.empty()) {
+ started_ = Nanotime();
+ }
+}
+
+DurationReporter::~DurationReporter() {
+ if (!title_.empty()) {
+ float elapsed = (float)(Nanotime() - started_) / NANOS_PER_SEC;
+ if (elapsed < .5f) {
+ return;
+ }
+ MYLOGD("Duration of '%s': %.2fs\n", title_.c_str(), elapsed);
+ if (logcat_only_) {
+ return;
+ }
+ // Use "Yoda grammar" to make it easier to grep|sort sections.
+ printf("------ %.3fs was the duration of '%s' ------\n", elapsed, title_.c_str());
+ }
+}
+
+const int32_t Progress::kDefaultMax = 5000;
+
+Progress::Progress(const std::string& path) : Progress(Progress::kDefaultMax, 1.1, path) {
+}
+
+Progress::Progress(int32_t initial_max, int32_t progress, float growth_factor)
+ : Progress(initial_max, growth_factor, "") {
+ progress_ = progress;
+}
+
+Progress::Progress(int32_t initial_max, float growth_factor, const std::string& path)
+ : initial_max_(initial_max),
+ progress_(0),
+ max_(initial_max),
+ growth_factor_(growth_factor),
+ n_runs_(0),
+ average_max_(0),
+ path_(path) {
+ if (!path_.empty()) {
+ Load();
+ }
+}
+
+void Progress::Load() {
+ MYLOGD("Loading stats from %s\n", path_.c_str());
+ std::string content;
+ if (!android::base::ReadFileToString(path_, &content)) {
+ MYLOGI("Could not read stats from %s; using max of %d\n", path_.c_str(), max_);
+ return;
+ }
+ if (content.empty()) {
+ MYLOGE("No stats (empty file) on %s; using max of %d\n", path_.c_str(), max_);
+ return;
+ }
+ std::vector<std::string> lines = android::base::Split(content, "\n");
+
+ if (lines.size() < 1) {
+ MYLOGE("Invalid stats on file %s: not enough lines (%d). Using max of %d\n", path_.c_str(),
+ (int)lines.size(), max_);
+ return;
+ }
+ char* ptr;
+ n_runs_ = strtol(lines[0].c_str(), &ptr, 10);
+ average_max_ = strtol(ptr, nullptr, 10);
+ if (n_runs_ <= 0 || average_max_ <= 0 || n_runs_ > STATS_MAX_N_RUNS ||
+ average_max_ > STATS_MAX_AVERAGE) {
+ MYLOGE("Invalid stats line on file %s: %s\n", path_.c_str(), lines[0].c_str());
+ initial_max_ = Progress::kDefaultMax;
+ } else {
+ initial_max_ = average_max_;
+ }
+ max_ = initial_max_;
+
+ MYLOGI("Average max progress: %d in %d runs; estimated max: %d\n", average_max_, n_runs_, max_);
+}
+
+void Progress::Save() {
+ int32_t total = n_runs_ * average_max_ + progress_;
+ int32_t runs = n_runs_ + 1;
+ int32_t average = floor(((float)total) / runs);
+ MYLOGI("Saving stats (total=%d, runs=%d, average=%d) on %s\n", total, runs, average,
+ path_.c_str());
+ if (path_.empty()) {
+ return;
+ }
+
+ std::string content = android::base::StringPrintf("%d %d\n", runs, average);
+ if (!android::base::WriteStringToFile(content, path_)) {
+ MYLOGE("Could not save stats on %s\n", path_.c_str());
+ }
+}
+
+int32_t Progress::Get() const {
+ return progress_;
+}
+
+bool Progress::Inc(int32_t delta_sec) {
+ bool changed = false;
+ if (delta_sec >= 0) {
+ progress_ += delta_sec;
+ if (progress_ > max_) {
+ int32_t old_max = max_;
+ max_ = floor((float)progress_ * growth_factor_);
+ MYLOGD("Adjusting max progress from %d to %d\n", old_max, max_);
+ changed = true;
+ }
+ }
+ return changed;
+}
+
+int32_t Progress::GetMax() const {
+ return max_;
+}
+
+int32_t Progress::GetInitialMax() const {
+ return initial_max_;
+}
+
+void Progress::Dump(int fd, const std::string& prefix) const {
+ const char* pr = prefix.c_str();
+ dprintf(fd, "%sprogress: %d\n", pr, progress_);
+ dprintf(fd, "%smax: %d\n", pr, max_);
+ dprintf(fd, "%sinitial_max: %d\n", pr, initial_max_);
+ dprintf(fd, "%sgrowth_factor: %0.2f\n", pr, growth_factor_);
+ dprintf(fd, "%spath: %s\n", pr, path_.c_str());
+ dprintf(fd, "%sn_runs: %d\n", pr, n_runs_);
+ dprintf(fd, "%saverage_max: %d\n", pr, average_max_);
+}
+
+bool Dumpstate::IsZipping() const {
+ return zip_writer_ != nullptr;
+}
+
+std::string Dumpstate::GetPath(const std::string& suffix) const {
+ return GetPath(bugreport_internal_dir_, suffix);
+}
+
+std::string Dumpstate::GetPath(const std::string& directory, const std::string& suffix) const {
+ return android::base::StringPrintf("%s/%s-%s%s", directory.c_str(), base_name_.c_str(),
+ name_.c_str(), suffix.c_str());
+}
+
+void Dumpstate::SetProgress(std::unique_ptr<Progress> progress) {
+ progress_ = std::move(progress);
+}
+
+void for_each_userid(void (*func)(int), const char *header) {
+ std::string title = header == nullptr ? "for_each_userid" : android::base::StringPrintf(
+ "for_each_userid(%s)", header);
+ DurationReporter duration_reporter(title);
+ if (PropertiesHelper::IsDryRun()) return;
+
+ DIR *d;
+ struct dirent *de;
+
+ if (header) printf("\n------ %s ------\n", header);
+ func(0);
+
+ if (!(d = opendir("/data/system/users"))) {
+ printf("Failed to open /data/system/users (%s)\n", strerror(errno));
+ return;
+ }
+
+ while ((de = readdir(d))) {
+ int userid;
+ if (de->d_type != DT_DIR || !(userid = atoi(de->d_name))) {
+ continue;
+ }
+ func(userid);
+ }
+
+ closedir(d);
+}
+
+static void __for_each_pid(void (*helper)(int, const char *, void *), const char *header, void *arg) {
+ DIR *d;
+ struct dirent *de;
+
+ if (!(d = opendir("/proc"))) {
+ printf("Failed to open /proc (%s)\n", strerror(errno));
+ return;
+ }
+
+ if (header) printf("\n------ %s ------\n", header);
+ while ((de = readdir(d))) {
+ if (ds.IsUserConsentDenied()) {
+ MYLOGE(
+ "Returning early because user denied consent to share bugreport with calling app.");
+ closedir(d);
+ return;
+ }
+ int pid;
+ int fd;
+ char cmdpath[255];
+ char cmdline[255];
+
+ if (!(pid = atoi(de->d_name))) {
+ continue;
+ }
+
+ memset(cmdline, 0, sizeof(cmdline));
+
+ snprintf(cmdpath, sizeof(cmdpath), "/proc/%d/cmdline", pid);
+ if ((fd = TEMP_FAILURE_RETRY(open(cmdpath, O_RDONLY | O_CLOEXEC))) >= 0) {
+ TEMP_FAILURE_RETRY(read(fd, cmdline, sizeof(cmdline) - 2));
+ close(fd);
+ if (cmdline[0]) {
+ helper(pid, cmdline, arg);
+ continue;
+ }
+ }
+
+ // if no cmdline, a kernel thread has comm
+ snprintf(cmdpath, sizeof(cmdpath), "/proc/%d/comm", pid);
+ if ((fd = TEMP_FAILURE_RETRY(open(cmdpath, O_RDONLY | O_CLOEXEC))) >= 0) {
+ TEMP_FAILURE_RETRY(read(fd, cmdline + 1, sizeof(cmdline) - 4));
+ close(fd);
+ if (cmdline[1]) {
+ cmdline[0] = '[';
+ size_t len = strcspn(cmdline, "\f\b\r\n");
+ cmdline[len] = ']';
+ cmdline[len+1] = '\0';
+ }
+ }
+ if (!cmdline[0]) {
+ strcpy(cmdline, "N/A");
+ }
+ helper(pid, cmdline, arg);
+ }
+
+ closedir(d);
+}
+
+static void for_each_pid_helper(int pid, const char *cmdline, void *arg) {
+ for_each_pid_func *func = (for_each_pid_func*) arg;
+ func(pid, cmdline);
+}
+
+void for_each_pid(for_each_pid_func func, const char *header) {
+ std::string title = header == nullptr ? "for_each_pid"
+ : android::base::StringPrintf("for_each_pid(%s)", header);
+ DurationReporter duration_reporter(title);
+ if (PropertiesHelper::IsDryRun()) return;
+
+ __for_each_pid(for_each_pid_helper, header, (void *) func);
+}
+
+static void for_each_tid_helper(int pid, const char *cmdline, void *arg) {
+ DIR *d;
+ struct dirent *de;
+ char taskpath[255];
+ for_each_tid_func *func = (for_each_tid_func *) arg;
+
+ snprintf(taskpath, sizeof(taskpath), "/proc/%d/task", pid);
+
+ if (!(d = opendir(taskpath))) {
+ printf("Failed to open %s (%s)\n", taskpath, strerror(errno));
+ return;
+ }
+
+ func(pid, pid, cmdline);
+
+ while ((de = readdir(d))) {
+ if (ds.IsUserConsentDenied()) {
+ MYLOGE(
+ "Returning early because user denied consent to share bugreport with calling app.");
+ closedir(d);
+ return;
+ }
+ int tid;
+ int fd;
+ char commpath[255];
+ char comm[255];
+
+ if (!(tid = atoi(de->d_name))) {
+ continue;
+ }
+
+ if (tid == pid)
+ continue;
+
+ snprintf(commpath, sizeof(commpath), "/proc/%d/comm", tid);
+ memset(comm, 0, sizeof(comm));
+ if ((fd = TEMP_FAILURE_RETRY(open(commpath, O_RDONLY | O_CLOEXEC))) < 0) {
+ strcpy(comm, "N/A");
+ } else {
+ char *c;
+ TEMP_FAILURE_RETRY(read(fd, comm, sizeof(comm) - 2));
+ close(fd);
+
+ c = strrchr(comm, '\n');
+ if (c) {
+ *c = '\0';
+ }
+ }
+ func(pid, tid, comm);
+ }
+
+ closedir(d);
+}
+
+void for_each_tid(for_each_tid_func func, const char *header) {
+ std::string title = header == nullptr ? "for_each_tid"
+ : android::base::StringPrintf("for_each_tid(%s)", header);
+ DurationReporter duration_reporter(title);
+
+ if (PropertiesHelper::IsDryRun()) return;
+
+ __for_each_pid(for_each_tid_helper, header, (void *) func);
+}
+
+void show_wchan(int pid, int tid, const char *name) {
+ if (PropertiesHelper::IsDryRun()) return;
+
+ char path[255];
+ char buffer[255];
+ int fd, ret, save_errno;
+ char name_buffer[255];
+
+ memset(buffer, 0, sizeof(buffer));
+
+ snprintf(path, sizeof(path), "/proc/%d/wchan", tid);
+ if ((fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC))) < 0) {
+ printf("Failed to open '%s' (%s)\n", path, strerror(errno));
+ return;
+ }
+
+ ret = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer)));
+ save_errno = errno;
+ close(fd);
+
+ if (ret < 0) {
+ printf("Failed to read '%s' (%s)\n", path, strerror(save_errno));
+ return;
+ }
+
+ snprintf(name_buffer, sizeof(name_buffer), "%*s%s",
+ pid == tid ? 0 : 3, "", name);
+
+ printf("%-7d %-32s %s\n", tid, name_buffer, buffer);
+
+ return;
+}
+
+// print time in centiseconds
+static void snprcent(char *buffer, size_t len, size_t spc,
+ unsigned long long time) {
+ static long hz; // cache discovered hz
+
+ if (hz <= 0) {
+ hz = sysconf(_SC_CLK_TCK);
+ if (hz <= 0) {
+ hz = 1000;
+ }
+ }
+
+ // convert to centiseconds
+ time = (time * 100 + (hz / 2)) / hz;
+
+ char str[16];
+
+ snprintf(str, sizeof(str), " %llu.%02u",
+ time / 100, (unsigned)(time % 100));
+ size_t offset = strlen(buffer);
+ snprintf(buffer + offset, (len > offset) ? len - offset : 0,
+ "%*s", (spc > offset) ? (int)(spc - offset) : 0, str);
+}
+
+// print permille as a percent
+static void snprdec(char *buffer, size_t len, size_t spc, unsigned permille) {
+ char str[16];
+
+ snprintf(str, sizeof(str), " %u.%u%%", permille / 10, permille % 10);
+ size_t offset = strlen(buffer);
+ snprintf(buffer + offset, (len > offset) ? len - offset : 0,
+ "%*s", (spc > offset) ? (int)(spc - offset) : 0, str);
+}
+
+void show_showtime(int pid, const char *name) {
+ if (PropertiesHelper::IsDryRun()) return;
+
+ char path[255];
+ char buffer[1023];
+ int fd, ret, save_errno;
+
+ memset(buffer, 0, sizeof(buffer));
+
+ snprintf(path, sizeof(path), "/proc/%d/stat", pid);
+ if ((fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC))) < 0) {
+ printf("Failed to open '%s' (%s)\n", path, strerror(errno));
+ return;
+ }
+
+ ret = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer)));
+ save_errno = errno;
+ close(fd);
+
+ if (ret < 0) {
+ printf("Failed to read '%s' (%s)\n", path, strerror(save_errno));
+ return;
+ }
+
+ // field 14 is utime
+ // field 15 is stime
+ // field 42 is iotime
+ unsigned long long utime = 0, stime = 0, iotime = 0;
+ if (sscanf(buffer,
+ "%*u %*s %*s %*d %*d %*d %*d %*d %*d %*d %*d "
+ "%*d %*d %llu %llu %*d %*d %*d %*d %*d %*d "
+ "%*d %*d %*d %*d %*d %*d %*d %*d %*d %*d "
+ "%*d %*d %*d %*d %*d %*d %*d %*d %*d %llu ",
+ &utime, &stime, &iotime) != 3) {
+ return;
+ }
+
+ unsigned long long total = utime + stime;
+ if (!total) {
+ return;
+ }
+
+ unsigned permille = (iotime * 1000 + (total / 2)) / total;
+ if (permille > 1000) {
+ permille = 1000;
+ }
+
+ // try to beautify and stabilize columns at <80 characters
+ snprintf(buffer, sizeof(buffer), "%-6d%s", pid, name);
+ if ((name[0] != '[') || utime) {
+ snprcent(buffer, sizeof(buffer), 57, utime);
+ }
+ snprcent(buffer, sizeof(buffer), 65, stime);
+ if ((name[0] != '[') || iotime) {
+ snprcent(buffer, sizeof(buffer), 73, iotime);
+ }
+ if (iotime) {
+ snprdec(buffer, sizeof(buffer), 79, permille);
+ }
+ puts(buffer); // adds a trailing newline
+
+ return;
+}
+
+void do_dmesg() {
+ const char *title = "KERNEL LOG (dmesg)";
+ DurationReporter duration_reporter(title);
+ printf("------ %s ------\n", title);
+
+ if (PropertiesHelper::IsDryRun()) return;
+
+ /* Get size of kernel buffer */
+ int size = klogctl(KLOG_SIZE_BUFFER, nullptr, 0);
+ if (size <= 0) {
+ printf("Unexpected klogctl return value: %d\n\n", size);
+ return;
+ }
+ char *buf = (char *) malloc(size + 1);
+ if (buf == nullptr) {
+ printf("memory allocation failed\n\n");
+ return;
+ }
+ int retval = klogctl(KLOG_READ_ALL, buf, size);
+ if (retval < 0) {
+ printf("klogctl failure\n\n");
+ free(buf);
+ return;
+ }
+ buf[retval] = '\0';
+ printf("%s\n\n", buf);
+ free(buf);
+ return;
+}
+
+void do_showmap(int pid, const char *name) {
+ char title[255];
+ char arg[255];
+
+ snprintf(title, sizeof(title), "SHOW MAP %d (%s)", pid, name);
+ snprintf(arg, sizeof(arg), "%d", pid);
+ RunCommand(title, {"showmap", "-q", arg}, CommandOptions::AS_ROOT);
+}
+
+int Dumpstate::DumpFile(const std::string& title, const std::string& path) {
+ DurationReporter duration_reporter(title);
+
+ int status = DumpFileToFd(STDOUT_FILENO, title, path);
+
+ UpdateProgress(WEIGHT_FILE);
+
+ return status;
+}
+
+int read_file_as_long(const char *path, long int *output) {
+ int fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_NONBLOCK | O_CLOEXEC));
+ if (fd < 0) {
+ int err = errno;
+ MYLOGE("Error opening file descriptor for %s: %s\n", path, strerror(err));
+ return -1;
+ }
+ char buffer[50];
+ ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer)));
+ if (bytes_read == -1) {
+ MYLOGE("Error reading file %s: %s\n", path, strerror(errno));
+ return -2;
+ }
+ if (bytes_read == 0) {
+ MYLOGE("File %s is empty\n", path);
+ return -3;
+ }
+ *output = atoi(buffer);
+ return 0;
+}
+
+/* calls skip to gate calling dump_from_fd recursively
+ * in the specified directory. dump_from_fd defaults to
+ * dump_file_from_fd above when set to NULL. skip defaults
+ * to false when set to NULL. dump_from_fd will always be
+ * called with title NULL.
+ */
+int dump_files(const std::string& title, const char* dir, bool (*skip)(const char* path),
+ int (*dump_from_fd)(const char* title, const char* path, int fd)) {
+ DurationReporter duration_reporter(title);
+ DIR *dirp;
+ struct dirent *d;
+ char *newpath = nullptr;
+ const char *slash = "/";
+ int retval = 0;
+
+ if (!title.empty()) {
+ printf("------ %s (%s) ------\n", title.c_str(), dir);
+ }
+ if (PropertiesHelper::IsDryRun()) return 0;
+
+ if (dir[strlen(dir) - 1] == '/') {
+ ++slash;
+ }
+ dirp = opendir(dir);
+ if (dirp == nullptr) {
+ retval = -errno;
+ MYLOGE("%s: %s\n", dir, strerror(errno));
+ return retval;
+ }
+
+ if (!dump_from_fd) {
+ dump_from_fd = dump_file_from_fd;
+ }
+ for (; ((d = readdir(dirp))); free(newpath), newpath = nullptr) {
+ if ((d->d_name[0] == '.')
+ && (((d->d_name[1] == '.') && (d->d_name[2] == '\0'))
+ || (d->d_name[1] == '\0'))) {
+ continue;
+ }
+ asprintf(&newpath, "%s%s%s%s", dir, slash, d->d_name,
+ (d->d_type == DT_DIR) ? "/" : "");
+ if (!newpath) {
+ retval = -errno;
+ continue;
+ }
+ if (skip && (*skip)(newpath)) {
+ continue;
+ }
+ if (d->d_type == DT_DIR) {
+ int ret = dump_files("", newpath, skip, dump_from_fd);
+ if (ret < 0) {
+ retval = ret;
+ }
+ continue;
+ }
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(newpath, O_RDONLY | O_NONBLOCK | O_CLOEXEC)));
+ if (fd.get() < 0) {
+ retval = -1;
+ printf("*** %s: %s\n", newpath, strerror(errno));
+ continue;
+ }
+ (*dump_from_fd)(nullptr, newpath, fd.get());
+ }
+ closedir(dirp);
+ if (!title.empty()) {
+ printf("\n");
+ }
+ return retval;
+}
+
+/* fd must have been opened with the flag O_NONBLOCK. With this flag set,
+ * it's possible to avoid issues where opening the file itself can get
+ * stuck.
+ */
+int dump_file_from_fd(const char *title, const char *path, int fd) {
+ if (PropertiesHelper::IsDryRun()) return 0;
+
+ int flags = fcntl(fd, F_GETFL);
+ if (flags == -1) {
+ printf("*** %s: failed to get flags on fd %d: %s\n", path, fd, strerror(errno));
+ return -1;
+ } else if (!(flags & O_NONBLOCK)) {
+ printf("*** %s: fd must have O_NONBLOCK set.\n", path);
+ return -1;
+ }
+ return DumpFileFromFdToFd(title, path, fd, STDOUT_FILENO, PropertiesHelper::IsDryRun());
+}
+
+int Dumpstate::RunCommand(const std::string& title, const std::vector<std::string>& full_command,
+ const CommandOptions& options) {
+ DurationReporter duration_reporter(title);
+
+ int status = RunCommandToFd(STDOUT_FILENO, title, full_command, options);
+
+ /* TODO: for now we're simplifying the progress calculation by using the
+ * timeout as the weight. It's a good approximation for most cases, except when calling dumpsys,
+ * where its weight should be much higher proportionally to its timeout.
+ * Ideally, it should use a options.EstimatedDuration() instead...*/
+ UpdateProgress(options.Timeout());
+
+ return status;
+}
+
+void Dumpstate::RunDumpsys(const std::string& title, const std::vector<std::string>& dumpsys_args,
+ const CommandOptions& options, long dumpsysTimeoutMs) {
+ long timeout_ms = dumpsysTimeoutMs > 0 ? dumpsysTimeoutMs : options.TimeoutInMs();
+ std::vector<std::string> dumpsys = {"/system/bin/dumpsys", "-T", std::to_string(timeout_ms)};
+ dumpsys.insert(dumpsys.end(), dumpsys_args.begin(), dumpsys_args.end());
+ RunCommand(title, dumpsys, options);
+}
+
+int open_socket(const char *service) {
+ int s = android_get_control_socket(service);
+ if (s < 0) {
+ MYLOGE("android_get_control_socket(%s): %s\n", service, strerror(errno));
+ return -1;
+ }
+ fcntl(s, F_SETFD, FD_CLOEXEC);
+
+ // Set backlog to 0 to make sure that queue size will be minimum.
+ // In Linux, because the minimum queue will be 1, connect() will be blocked
+ // if the other clients already called connect() and the connection request was not accepted.
+ if (listen(s, 0) < 0) {
+ MYLOGE("listen(control socket): %s\n", strerror(errno));
+ return -1;
+ }
+
+ struct sockaddr addr;
+ socklen_t alen = sizeof(addr);
+ int fd = accept(s, &addr, &alen);
+
+ // Close socket just after accept(), to make sure that connect() by client will get error
+ // when the socket is used by the other services.
+ // There is still a race condition possibility between accept and close, but there is no way
+ // to close-on-accept atomically.
+ // See detail; b/123306389#comment25
+ close(s);
+
+ if (fd < 0) {
+ MYLOGE("accept(control socket): %s\n", strerror(errno));
+ return -1;
+ }
+
+ return fd;
+}
+
+/* redirect output to a service control socket */
+bool redirect_to_socket(FILE* redirect, const char* service) {
+ int fd = open_socket(service);
+ if (fd == -1) {
+ return false;
+ }
+ fflush(redirect);
+ // TODO: handle dup2 failure
+ TEMP_FAILURE_RETRY(dup2(fd, fileno(redirect)));
+ close(fd);
+ return true;
+}
+
+// TODO: should call is_valid_output_file and/or be merged into it.
+void create_parent_dirs(const char *path) {
+ char *chp = const_cast<char *> (path);
+
+ /* skip initial slash */
+ if (chp[0] == '/')
+ chp++;
+
+ /* create leading directories, if necessary */
+ struct stat dir_stat;
+ while (chp && chp[0]) {
+ chp = strchr(chp, '/');
+ if (chp) {
+ *chp = 0;
+ if (stat(path, &dir_stat) == -1 || !S_ISDIR(dir_stat.st_mode)) {
+ MYLOGI("Creating directory %s\n", path);
+ if (mkdir(path, 0770)) { /* drwxrwx--- */
+ MYLOGE("Unable to create directory %s: %s\n", path, strerror(errno));
+ } else if (chown(path, AID_SHELL, AID_SHELL)) {
+ MYLOGE("Unable to change ownership of dir %s: %s\n", path, strerror(errno));
+ }
+ }
+ *chp++ = '/';
+ }
+ }
+}
+
+bool _redirect_to_file(FILE* redirect, char* path, int truncate_flag) {
+ create_parent_dirs(path);
+
+ int fd = TEMP_FAILURE_RETRY(open(path,
+ O_WRONLY | O_CREAT | truncate_flag | O_CLOEXEC | O_NOFOLLOW,
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH));
+ if (fd < 0) {
+ MYLOGE("%s: %s\n", path, strerror(errno));
+ return false;
+ }
+
+ TEMP_FAILURE_RETRY(dup2(fd, fileno(redirect)));
+ close(fd);
+ return true;
+}
+
+bool redirect_to_file(FILE* redirect, char* path) {
+ return _redirect_to_file(redirect, path, O_TRUNC);
+}
+
+bool redirect_to_existing_file(FILE* redirect, char* path) {
+ return _redirect_to_file(redirect, path, O_APPEND);
+}
+
+void dump_route_tables() {
+ DurationReporter duration_reporter("DUMP ROUTE TABLES");
+ if (PropertiesHelper::IsDryRun()) return;
+ const char* const RT_TABLES_PATH = "/data/misc/net/rt_tables";
+ ds.DumpFile("RT_TABLES", RT_TABLES_PATH);
+ FILE* fp = fopen(RT_TABLES_PATH, "re");
+ if (!fp) {
+ printf("*** %s: %s\n", RT_TABLES_PATH, strerror(errno));
+ return;
+ }
+ char table[16];
+ // Each line has an integer (the table number), a space, and a string (the table name). We only
+ // need the table number. It's a 32-bit unsigned number, so max 10 chars. Skip the table name.
+ // Add a fixed max limit so this doesn't go awry.
+ for (int i = 0; i < 64 && fscanf(fp, " %10s %*s", table) == 1; ++i) {
+ RunCommand("ROUTE TABLE IPv4", {"ip", "-4", "route", "show", "table", table});
+ RunCommand("ROUTE TABLE IPv6", {"ip", "-6", "route", "show", "table", table});
+ }
+ fclose(fp);
+}
+
+// TODO: make this function thread safe if sections are generated in parallel.
+void Dumpstate::UpdateProgress(int32_t delta_sec) {
+ if (progress_ == nullptr) {
+ MYLOGE("UpdateProgress: progress_ not set\n");
+ return;
+ }
+
+ // Always update progess so stats can be tuned...
+ progress_->Inc(delta_sec);
+
+ // ...but only notifiy listeners when necessary.
+ if (!options_->do_progress_updates) return;
+
+ int progress = progress_->Get();
+ int max = progress_->GetMax();
+ int percent = 100 * progress / max;
+
+ if (last_reported_percent_progress_ > 0 && percent <= last_reported_percent_progress_) {
+ return;
+ }
+ last_reported_percent_progress_ = percent;
+
+ if (control_socket_fd_ >= 0) {
+ dprintf(control_socket_fd_, "PROGRESS:%d/%d\n", progress, max);
+ fsync(control_socket_fd_);
+ }
+
+ if (listener_ != nullptr) {
+ if (percent % 5 == 0) {
+ // We don't want to spam logcat, so only log multiples of 5.
+ MYLOGD("Setting progress (%s): %d/%d (%d%%)\n", listener_name_.c_str(), progress, max,
+ percent);
+ } else {
+ // stderr is ignored on normal invocations, but useful when calling
+ // /system/bin/dumpstate directly for debuggging.
+ fprintf(stderr, "Setting progress (%s): %d/%d (%d%%)\n", listener_name_.c_str(),
+ progress, max, percent);
+ }
+
+ listener_->onProgress(percent);
+ }
+}
+
+void Dumpstate::TakeScreenshot(const std::string& path) {
+ const std::string& real_path = path.empty() ? screenshot_path_ : path;
+ int status =
+ RunCommand("", {"/system/bin/screencap", "-p", real_path},
+ CommandOptions::WithTimeout(10).Always().DropRoot().RedirectStderr().Build());
+ if (status == 0) {
+ MYLOGD("Screenshot saved on %s\n", real_path.c_str());
+ } else {
+ MYLOGE("Failed to take screenshot on %s\n", real_path.c_str());
+ }
+}
+
+bool is_dir(const char* pathname) {
+ struct stat info;
+ if (stat(pathname, &info) == -1) {
+ return false;
+ }
+ return S_ISDIR(info.st_mode);
+}
+
+time_t get_mtime(int fd, time_t default_mtime) {
+ struct stat info;
+ if (fstat(fd, &info) == -1) {
+ return default_mtime;
+ }
+ return info.st_mtime;
+}
+
+void dump_emmc_ecsd(const char *ext_csd_path) {
+ // List of interesting offsets
+ struct hex {
+ char str[2];
+ };
+ static const size_t EXT_CSD_REV = 192 * sizeof(hex);
+ static const size_t EXT_PRE_EOL_INFO = 267 * sizeof(hex);
+ static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_A = 268 * sizeof(hex);
+ static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_B = 269 * sizeof(hex);
+
+ std::string buffer;
+ if (!android::base::ReadFileToString(ext_csd_path, &buffer)) {
+ return;
+ }
+
+ printf("------ %s Extended CSD ------\n", ext_csd_path);
+
+ if (buffer.length() < (EXT_CSD_REV + sizeof(hex))) {
+ printf("*** %s: truncated content %zu\n\n", ext_csd_path, buffer.length());
+ return;
+ }
+
+ int ext_csd_rev = 0;
+ std::string sub = buffer.substr(EXT_CSD_REV, sizeof(hex));
+ if (sscanf(sub.c_str(), "%2x", &ext_csd_rev) != 1) {
+ printf("*** %s: EXT_CSD_REV parse error \"%s\"\n\n", ext_csd_path, sub.c_str());
+ return;
+ }
+
+ static const char *ver_str[] = {
+ "4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0"
+ };
+ printf("rev 1.%d (MMC %s)\n", ext_csd_rev,
+ (ext_csd_rev < (int)(sizeof(ver_str) / sizeof(ver_str[0]))) ? ver_str[ext_csd_rev]
+ : "Unknown");
+ if (ext_csd_rev < 7) {
+ printf("\n");
+ return;
+ }
+
+ if (buffer.length() < (EXT_PRE_EOL_INFO + sizeof(hex))) {
+ printf("*** %s: truncated content %zu\n\n", ext_csd_path, buffer.length());
+ return;
+ }
+
+ int ext_pre_eol_info = 0;
+ sub = buffer.substr(EXT_PRE_EOL_INFO, sizeof(hex));
+ if (sscanf(sub.c_str(), "%2x", &ext_pre_eol_info) != 1) {
+ printf("*** %s: PRE_EOL_INFO parse error \"%s\"\n\n", ext_csd_path, sub.c_str());
+ return;
+ }
+
+ static const char *eol_str[] = {
+ "Undefined",
+ "Normal",
+ "Warning (consumed 80% of reserve)",
+ "Urgent (consumed 90% of reserve)"
+ };
+ printf(
+ "PRE_EOL_INFO %d (MMC %s)\n", ext_pre_eol_info,
+ eol_str[(ext_pre_eol_info < (int)(sizeof(eol_str) / sizeof(eol_str[0]))) ? ext_pre_eol_info
+ : 0]);
+
+ for (size_t lifetime = EXT_DEVICE_LIFE_TIME_EST_TYP_A;
+ lifetime <= EXT_DEVICE_LIFE_TIME_EST_TYP_B;
+ lifetime += sizeof(hex)) {
+ int ext_device_life_time_est;
+ static const char *est_str[] = {
+ "Undefined",
+ "0-10% of device lifetime used",
+ "10-20% of device lifetime used",
+ "20-30% of device lifetime used",
+ "30-40% of device lifetime used",
+ "40-50% of device lifetime used",
+ "50-60% of device lifetime used",
+ "60-70% of device lifetime used",
+ "70-80% of device lifetime used",
+ "80-90% of device lifetime used",
+ "90-100% of device lifetime used",
+ "Exceeded the maximum estimated device lifetime",
+ };
+
+ if (buffer.length() < (lifetime + sizeof(hex))) {
+ printf("*** %s: truncated content %zu\n", ext_csd_path, buffer.length());
+ break;
+ }
+
+ ext_device_life_time_est = 0;
+ sub = buffer.substr(lifetime, sizeof(hex));
+ if (sscanf(sub.c_str(), "%2x", &ext_device_life_time_est) != 1) {
+ printf("*** %s: DEVICE_LIFE_TIME_EST_TYP_%c parse error \"%s\"\n", ext_csd_path,
+ (unsigned)((lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) / sizeof(hex)) + 'A',
+ sub.c_str());
+ continue;
+ }
+ printf("DEVICE_LIFE_TIME_EST_TYP_%c %d (MMC %s)\n",
+ (unsigned)((lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) / sizeof(hex)) + 'A',
+ ext_device_life_time_est,
+ est_str[(ext_device_life_time_est < (int)(sizeof(est_str) / sizeof(est_str[0])))
+ ? ext_device_life_time_est
+ : 0]);
+ }
+
+ printf("\n");
+}
+
diff --git a/cmds/dumpstate/dumpstate.h b/cmds/dumpstate/dumpstate.h
index ae6a721..f137fc9 100644
--- a/cmds/dumpstate/dumpstate.h
+++ b/cmds/dumpstate/dumpstate.h
@@ -400,12 +400,8 @@
// Runtime options.
std::unique_ptr<DumpOptions> options_;
- // How frequently the progess should be updated;the listener will only be notificated when the
- // delta from the previous update is more than the threshold.
- int32_t update_progress_threshold_ = 100;
-
- // Last progress that triggered a listener updated
- int32_t last_updated_progress_;
+ // Last progress that was sent to the listener [0-100].
+ int last_reported_percent_progress_ = 0;
// Whether it should take an screenshot earlier in the process.
bool do_early_screenshot_ = false;
diff --git a/cmds/dumpstate/tests/dumpstate_smoke_test.cpp b/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
index 5bde7db..181046a 100644
--- a/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
+++ b/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
@@ -14,20 +14,21 @@
* limitations under the License.
*/
-#include <gmock/gmock.h>
-#include <gtest/gtest.h>
-
-#include <fcntl.h>
-#include <libgen.h>
-
#include <android-base/file.h>
#include <android/os/BnDumpstate.h>
#include <android/os/BnDumpstateListener.h>
#include <binder/IServiceManager.h>
#include <binder/ProcessState.h>
#include <cutils/properties.h>
+#include <fcntl.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <libgen.h>
#include <ziparchive/zip_archive.h>
+#include <fstream>
+#include <regex>
+
#include "dumpstate.h"
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
@@ -44,6 +45,11 @@
namespace {
+struct SectionInfo {
+ std::string name;
+ int32_t size_bytes;
+};
+
sp<IDumpstate> GetDumpstateService() {
return android::interface_cast<IDumpstate>(
android::defaultServiceManager()->getService(String16("dumpstate")));
@@ -55,14 +61,79 @@
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH));
}
-} // namespace
+void GetEntry(const ZipArchiveHandle archive, const std::string_view entry_name, ZipEntry* data) {
+ int32_t e = FindEntry(archive, entry_name, data);
+ EXPECT_EQ(e, 0) << ErrorCodeString(e) << " entry name: " << entry_name;
+}
-struct SectionInfo {
- std::string name;
- status_t status;
- int32_t size_bytes;
- int32_t duration_ms;
-};
+// Extracts the main bugreport txt from the given archive and writes into output_fd.
+void ExtractBugreport(const ZipArchiveHandle* handle, int output_fd) {
+ // Read contents of main_entry.txt which is a single line indicating the name of the zip entry
+ // that contains the main bugreport txt.
+ ZipEntry main_entry;
+ GetEntry(*handle, "main_entry.txt", &main_entry);
+ std::string bugreport_txt_name;
+ bugreport_txt_name.resize(main_entry.uncompressed_length);
+ ExtractToMemory(*handle, &main_entry, reinterpret_cast<uint8_t*>(bugreport_txt_name.data()),
+ main_entry.uncompressed_length);
+
+ // Read the main bugreport txt and extract to output_fd.
+ ZipEntry entry;
+ GetEntry(*handle, bugreport_txt_name, &entry);
+ ExtractEntryToFile(*handle, &entry, output_fd);
+}
+
+bool IsSectionStart(const std::string& line, std::string* section_name) {
+ static const std::regex kSectionStart = std::regex{"DUMP OF SERVICE (.*):"};
+ std::smatch match;
+ if (std::regex_match(line, match, kSectionStart)) {
+ *section_name = match.str(1);
+ return true;
+ }
+ return false;
+}
+
+bool IsSectionEnd(const std::string& line) {
+ // Not all lines that contain "was the duration of" is a section end, but all section ends do
+ // contain "was the duration of". The disambiguation can be done by the caller.
+ return (line.find("was the duration of") != std::string::npos);
+}
+
+// Extracts the zipped bugreport and identifies the sections.
+void ParseSections(const std::string& zip_path, std::vector<SectionInfo>* sections) {
+ // Open the archive
+ ZipArchiveHandle handle;
+ ASSERT_EQ(OpenArchive(zip_path.c_str(), &handle), 0);
+
+ // Extract the main entry to a temp file
+ TemporaryFile tmp_binary;
+ ASSERT_NE(-1, tmp_binary.fd);
+ ExtractBugreport(&handle, tmp_binary.fd);
+
+ // Read line by line and identify sections
+ std::ifstream ifs(tmp_binary.path, std::ifstream::in);
+ std::string line;
+ int section_bytes = 0;
+ std::string current_section_name;
+ while (std::getline(ifs, line)) {
+ std::string section_name;
+ if (IsSectionStart(line, §ion_name)) {
+ section_bytes = 0;
+ current_section_name = section_name;
+ } else if (IsSectionEnd(line)) {
+ if (!current_section_name.empty()) {
+ sections->push_back({current_section_name, section_bytes});
+ }
+ current_section_name = "";
+ } else if (!current_section_name.empty()) {
+ section_bytes += line.length();
+ }
+ }
+
+ CloseArchive(handle);
+}
+
+} // namespace
/**
* Listens to bugreport progress and updates the user by writing the progress to STDOUT. All the
@@ -96,26 +167,6 @@
return binder::Status::ok();
}
- binder::Status onProgressUpdated(int32_t progress) override {
- dprintf(out_fd_, "\rIn progress %d/%d", progress, max_progress_);
- return binder::Status::ok();
- }
-
- binder::Status onMaxProgressUpdated(int32_t max_progress) override {
- std::lock_guard<std::mutex> lock(lock_);
- max_progress_ = max_progress;
- return binder::Status::ok();
- }
-
- binder::Status onSectionComplete(const ::std::string& name, int32_t status, int32_t size_bytes,
- int32_t duration_ms) override {
- std::lock_guard<std::mutex> lock(lock_);
- if (sections_.get() != nullptr) {
- sections_->push_back({name, status, size_bytes, duration_ms});
- }
- return binder::Status::ok();
- }
-
bool getIsFinished() {
std::lock_guard<std::mutex> lock(lock_);
return is_finished_;
@@ -128,7 +179,6 @@
private:
int out_fd_;
- int max_progress_ = 5000;
int error_code_ = -1;
bool is_finished_ = false;
std::shared_ptr<std::vector<SectionInfo>> sections_;
@@ -208,29 +258,30 @@
void FileExists(const char* filename, uint32_t minsize, uint32_t maxsize) {
ZipEntry entry;
- EXPECT_EQ(FindEntry(handle, filename, &entry), 0);
+ GetEntry(handle, filename, &entry);
EXPECT_GT(entry.uncompressed_length, minsize);
EXPECT_LT(entry.uncompressed_length, maxsize);
}
};
TEST_F(ZippedBugReportContentsTest, ContainsMainEntry) {
- ZipEntry mainEntryLoc;
+ ZipEntry main_entry;
// contains main entry name file
- EXPECT_EQ(FindEntry(handle, "main_entry.txt", &mainEntryLoc), 0);
+ GetEntry(handle, "main_entry.txt", &main_entry);
- char* buf = new char[mainEntryLoc.uncompressed_length];
- ExtractToMemory(handle, &mainEntryLoc, (uint8_t*)buf, mainEntryLoc.uncompressed_length);
- delete[] buf;
+ std::string bugreport_txt_name;
+ bugreport_txt_name.resize(main_entry.uncompressed_length);
+ ExtractToMemory(handle, &main_entry, reinterpret_cast<uint8_t*>(bugreport_txt_name.data()),
+ main_entry.uncompressed_length);
// contains main entry file
- FileExists(buf, 1000000U, 50000000U);
+ FileExists(bugreport_txt_name.c_str(), 1000000U, 50000000U);
}
TEST_F(ZippedBugReportContentsTest, ContainsVersion) {
ZipEntry entry;
// contains main entry name file
- EXPECT_EQ(FindEntry(handle, "version.txt", &entry), 0);
+ GetEntry(handle, "version.txt", &entry);
char* buf = new char[entry.uncompressed_length + 1];
ExtractToMemory(handle, &entry, (uint8_t*)buf, entry.uncompressed_length);
@@ -244,6 +295,10 @@
FileExists("dumpstate_board.txt", 100000U, 1000000U);
}
+TEST_F(ZippedBugReportContentsTest, ContainsProtoFile) {
+ FileExists("proto/activity.proto", 100000U, 1000000U);
+}
+
// Spot check on some files pulled from the file system
TEST_F(ZippedBugReportContentsTest, ContainsSomeFileSystemFiles) {
// FS/proc/*/mountinfo size > 0
@@ -258,6 +313,11 @@
*/
class BugreportSectionTest : public Test {
public:
+ static void SetUpTestCase() {
+ ParseSections(ZippedBugreportGenerationTest::getZipFilePath(),
+ ZippedBugreportGenerationTest::sections.get());
+ }
+
int numMatches(const std::string& substring) {
int matches = 0;
for (auto const& section : *ZippedBugreportGenerationTest::sections) {
@@ -267,10 +327,11 @@
}
return matches;
}
+
void SectionExists(const std::string& sectionName, int minsize) {
for (auto const& section : *ZippedBugreportGenerationTest::sections) {
if (sectionName == section.name) {
- EXPECT_GE(section.size_bytes, minsize);
+ EXPECT_GE(section.size_bytes, minsize) << " for section:" << sectionName;
return;
}
}
@@ -278,71 +339,59 @@
}
};
-// Test all sections are generated without timeouts or errors
-TEST_F(BugreportSectionTest, GeneratedWithoutErrors) {
- for (auto const& section : *ZippedBugreportGenerationTest::sections) {
- EXPECT_EQ(section.status, 0) << section.name << " failed with status " << section.status;
- }
-}
-
TEST_F(BugreportSectionTest, Atleast3CriticalDumpsysSectionsGenerated) {
- int numSections = numMatches("DUMPSYS CRITICAL");
+ int numSections = numMatches("CRITICAL");
EXPECT_GE(numSections, 3);
}
TEST_F(BugreportSectionTest, Atleast2HighDumpsysSectionsGenerated) {
- int numSections = numMatches("DUMPSYS HIGH");
+ int numSections = numMatches("HIGH");
EXPECT_GE(numSections, 2);
}
TEST_F(BugreportSectionTest, Atleast50NormalDumpsysSectionsGenerated) {
- int allSections = numMatches("DUMPSYS");
- int criticalSections = numMatches("DUMPSYS CRITICAL");
- int highSections = numMatches("DUMPSYS HIGH");
+ int allSections = ZippedBugreportGenerationTest::sections->size();
+ int criticalSections = numMatches("CRITICAL");
+ int highSections = numMatches("HIGH");
int normalSections = allSections - criticalSections - highSections;
EXPECT_GE(normalSections, 50) << "Total sections less than 50 (Critical:" << criticalSections
<< "High:" << highSections << "Normal:" << normalSections << ")";
}
-TEST_F(BugreportSectionTest, Atleast1ProtoDumpsysSectionGenerated) {
- int numSections = numMatches("proto/");
- EXPECT_GE(numSections, 1);
-}
-
// Test if some critical sections are being generated.
TEST_F(BugreportSectionTest, CriticalSurfaceFlingerSectionGenerated) {
- SectionExists("DUMPSYS CRITICAL - SurfaceFlinger", /* bytes= */ 10000);
+ SectionExists("CRITICAL SurfaceFlinger", /* bytes= */ 10000);
}
TEST_F(BugreportSectionTest, ActivitySectionsGenerated) {
- SectionExists("DUMPSYS CRITICAL - activity", /* bytes= */ 5000);
- SectionExists("DUMPSYS - activity", /* bytes= */ 10000);
+ SectionExists("CRITICAL activity", /* bytes= */ 5000);
+ SectionExists("activity", /* bytes= */ 10000);
}
TEST_F(BugreportSectionTest, CpuinfoSectionGenerated) {
- SectionExists("DUMPSYS CRITICAL - cpuinfo", /* bytes= */ 1000);
+ SectionExists("CRITICAL cpuinfo", /* bytes= */ 1000);
}
TEST_F(BugreportSectionTest, WindowSectionGenerated) {
- SectionExists("DUMPSYS CRITICAL - window", /* bytes= */ 20000);
+ SectionExists("CRITICAL window", /* bytes= */ 20000);
}
TEST_F(BugreportSectionTest, ConnectivitySectionsGenerated) {
- SectionExists("DUMPSYS HIGH - connectivity", /* bytes= */ 5000);
- SectionExists("DUMPSYS - connectivity", /* bytes= */ 5000);
+ SectionExists("HIGH connectivity", /* bytes= */ 3000);
+ SectionExists("connectivity", /* bytes= */ 5000);
}
TEST_F(BugreportSectionTest, MeminfoSectionGenerated) {
- SectionExists("DUMPSYS HIGH - meminfo", /* bytes= */ 100000);
+ SectionExists("HIGH meminfo", /* bytes= */ 100000);
}
TEST_F(BugreportSectionTest, BatteryStatsSectionGenerated) {
- SectionExists("DUMPSYS - batterystats", /* bytes= */ 1000);
+ SectionExists("batterystats", /* bytes= */ 1000);
}
TEST_F(BugreportSectionTest, WifiSectionGenerated) {
- SectionExists("DUMPSYS - wifi", /* bytes= */ 100000);
+ SectionExists("wifi", /* bytes= */ 100000);
}
class DumpstateBinderTest : public Test {
diff --git a/cmds/dumpstate/tests/dumpstate_test.cpp b/cmds/dumpstate/tests/dumpstate_test.cpp
index 0e88e43..cff1d43 100644
--- a/cmds/dumpstate/tests/dumpstate_test.cpp
+++ b/cmds/dumpstate/tests/dumpstate_test.cpp
@@ -62,10 +62,6 @@
MOCK_METHOD1(onProgress, binder::Status(int32_t progress));
MOCK_METHOD1(onError, binder::Status(int32_t error_code));
MOCK_METHOD0(onFinished, binder::Status());
- MOCK_METHOD1(onProgressUpdated, binder::Status(int32_t progress));
- MOCK_METHOD1(onMaxProgressUpdated, binder::Status(int32_t max_progress));
- MOCK_METHOD4(onSectionComplete, binder::Status(const ::std::string& name, int32_t status,
- int32_t size, int32_t durationMs));
protected:
MOCK_METHOD0(onAsBinder, IBinder*());
@@ -590,7 +586,6 @@
SetDryRun(false);
SetBuildType(android::base::GetProperty("ro.build.type", "(unknown)"));
ds.progress_.reset(new Progress());
- ds.update_progress_threshold_ = 0;
ds.options_.reset(new Dumpstate::DumpOptions());
}
@@ -615,10 +610,9 @@
return status;
}
- void SetProgress(long progress, long initial_max, long threshold = 0) {
+ void SetProgress(long progress, long initial_max) {
+ ds.last_reported_percent_progress_ = 0;
ds.options_->do_progress_updates = true;
- ds.update_progress_threshold_ = threshold;
- ds.last_updated_progress_ = 0;
ds.progress_.reset(new Progress(initial_max, progress, 1.2));
}
@@ -796,73 +790,36 @@
ds.listener_name_ = "FoxMulder";
SetProgress(0, 30);
- EXPECT_CALL(*listener, onProgressUpdated(20));
EXPECT_CALL(*listener, onProgress(66)); // 20/30 %
EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(20).Build()));
std::string progress_message = GetProgressMessage(ds.listener_name_, 20, 30);
EXPECT_THAT(out, StrEq("stdout\n"));
EXPECT_THAT(err, StrEq("stderr\n" + progress_message));
- EXPECT_CALL(*listener, onProgressUpdated(30));
- EXPECT_CALL(*listener, onProgress(100)); // 35/35 %
- EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(10).Build()));
- progress_message = GetProgressMessage(ds.listener_name_, 30, 30);
- EXPECT_THAT(out, StrEq("stdout\n"));
- EXPECT_THAT(err, StrEq("stderr\n" + progress_message));
-
- // Run a command that will increase maximum timeout.
- EXPECT_CALL(*listener, onProgressUpdated(31));
- EXPECT_CALL(*listener, onMaxProgressUpdated(37));
- EXPECT_CALL(*listener, onProgress(83)); // 31/37 %
- EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(1).Build()));
- progress_message = GetProgressMessage(ds.listener_name_, 31, 37, 30); // 20% increase
+ EXPECT_CALL(*listener, onProgress(80)); // 24/30 %
+ EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(4).Build()));
+ progress_message = GetProgressMessage(ds.listener_name_, 24, 30);
EXPECT_THAT(out, StrEq("stdout\n"));
EXPECT_THAT(err, StrEq("stderr\n" + progress_message));
// Make sure command ran while in dry_run is counted.
SetDryRun(true);
- EXPECT_CALL(*listener, onProgressUpdated(35));
- EXPECT_CALL(*listener, onProgress(94)); // 35/37 %
- EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(4).Build()));
- progress_message = GetProgressMessage(ds.listener_name_, 35, 37);
+ EXPECT_CALL(*listener, onProgress(90)); // 27/30 %
+ EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(3).Build()));
+ progress_message = GetProgressMessage(ds.listener_name_, 27, 30);
EXPECT_THAT(out, IsEmpty());
EXPECT_THAT(err, StrEq(progress_message));
- ds.listener_.clear();
-}
-
-TEST_F(DumpstateTest, RunCommandProgressIgnoreThreshold) {
- sp<DumpstateListenerMock> listener(new DumpstateListenerMock());
- ds.listener_ = listener;
- ds.listener_name_ = "FoxMulder";
- SetProgress(0, 8, 5); // 8 max, 5 threshold
-
- // First update should always be sent.
- EXPECT_CALL(*listener, onProgressUpdated(1));
- EXPECT_CALL(*listener, onProgress(12)); // 1/12 %
- EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(1).Build()));
- std::string progress_message = GetProgressMessage(ds.listener_name_, 1, 8);
+ SetDryRun(false);
+ EXPECT_CALL(*listener, onProgress(96)); // 29/30 %
+ EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(2).Build()));
+ progress_message = GetProgressMessage(ds.listener_name_, 29, 30);
EXPECT_THAT(out, StrEq("stdout\n"));
EXPECT_THAT(err, StrEq("stderr\n" + progress_message));
- // Fourth update should be ignored because it's between the threshold (5 -1 = 4 < 5).
- EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(4).Build()));
- EXPECT_THAT(out, StrEq("stdout\n"));
- EXPECT_THAT(err, StrEq("stderr\n"));
-
- // Third update should be sent because it reaches threshold (6 - 1 = 5).
- EXPECT_CALL(*listener, onProgressUpdated(6));
- EXPECT_CALL(*listener, onProgress(75)); // 6/8 %
+ EXPECT_CALL(*listener, onProgress(100)); // 30/30 %
EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(1).Build()));
- progress_message = GetProgressMessage(ds.listener_name_, 6, 8);
- EXPECT_THAT(out, StrEq("stdout\n"));
- EXPECT_THAT(err, StrEq("stderr\n" + progress_message));
-
- // Fourth update should be ignored because it's between the threshold (9 - 6 = 3 < 5).
- // But max update should be sent.
- EXPECT_CALL(*listener, onMaxProgressUpdated(10)); // 9 * 120% = 10.8 = 10
- EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(3).Build()));
- progress_message = GetProgressMessage(ds.listener_name_, 9, 10, 8, false);
+ progress_message = GetProgressMessage(ds.listener_name_, 30, 30);
EXPECT_THAT(out, StrEq("stdout\n"));
EXPECT_THAT(err, StrEq("stderr\n" + progress_message));
@@ -1090,7 +1047,6 @@
ds.listener_name_ = "FoxMulder";
SetProgress(0, 30);
- EXPECT_CALL(*listener, onProgressUpdated(5));
EXPECT_CALL(*listener, onProgress(16)); // 5/30 %
EXPECT_EQ(0, DumpFile("", kTestDataPath + "single-line.txt"));
@@ -1406,14 +1362,6 @@
return status;
}
- // Find out the pid of the process_name
- int FindPidOfProcess(const std::string& process_name) {
- CaptureStderr();
- int status = GetPidByName(process_name);
- err = GetCapturedStderr();
- return status;
- }
-
int fd;
// 'fd` output and `stderr` from the last command ran.
@@ -1763,18 +1711,6 @@
EXPECT_THAT(out, EndsWith("skipped on dry run\n"));
}
-TEST_F(DumpstateUtilTest, FindingPidWithExistingProcess) {
- // init process always has pid 1.
- EXPECT_EQ(1, FindPidOfProcess("init"));
- EXPECT_THAT(err, IsEmpty());
-}
-
-TEST_F(DumpstateUtilTest, FindingPidWithNotExistingProcess) {
- // find the process with abnormal name.
- EXPECT_EQ(-1, FindPidOfProcess("abcdef12345-543"));
- EXPECT_THAT(err, StrEq("can't find the pid\n"));
-}
-
} // namespace dumpstate
} // namespace os
} // namespace android
diff --git a/cmds/dumpstate/utils.cpp b/cmds/dumpstate/utils.cpp
deleted file mode 100644
index 4cbf577..0000000
--- a/cmds/dumpstate/utils.cpp
+++ /dev/null
@@ -1,1017 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "dumpstate"
-
-#include "dumpstate.h"
-
-#include <dirent.h>
-#include <fcntl.h>
-#include <libgen.h>
-#include <math.h>
-#include <poll.h>
-#include <signal.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/capability.h>
-#include <sys/inotify.h>
-#include <sys/klog.h>
-#include <sys/prctl.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/wait.h>
-#include <time.h>
-#include <unistd.h>
-
-#include <memory>
-#include <set>
-#include <string>
-#include <vector>
-
-#include <android-base/file.h>
-#include <android-base/properties.h>
-#include <android-base/stringprintf.h>
-#include <android-base/strings.h>
-#include <android-base/unique_fd.h>
-#include <cutils/properties.h>
-#include <cutils/sockets.h>
-#include <log/log.h>
-#include <private/android_filesystem_config.h>
-
-#include "DumpstateInternal.h"
-
-// TODO: remove once moved to namespace
-using android::os::dumpstate::CommandOptions;
-using android::os::dumpstate::DumpFileToFd;
-using android::os::dumpstate::PropertiesHelper;
-
-// Keep in sync with
-// frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java
-static const int TRACE_DUMP_TIMEOUT_MS = 10000; // 10 seconds
-
-/* Most simple commands have 10 as timeout, so 5 is a good estimate */
-static const int32_t WEIGHT_FILE = 5;
-
-// TODO: temporary variables and functions used during C++ refactoring
-static Dumpstate& ds = Dumpstate::GetInstance();
-static int RunCommand(const std::string& title, const std::vector<std::string>& full_command,
- const CommandOptions& options = CommandOptions::DEFAULT) {
- return ds.RunCommand(title, full_command, options);
-}
-
-// Reasonable value for max stats.
-static const int STATS_MAX_N_RUNS = 1000;
-static const long STATS_MAX_AVERAGE = 100000;
-
-CommandOptions Dumpstate::DEFAULT_DUMPSYS = CommandOptions::WithTimeout(30).Build();
-
-// TODO(111441001): Default DumpOptions to sensible values.
-Dumpstate::Dumpstate(const std::string& version)
- : pid_(getpid()),
- options_(new Dumpstate::DumpOptions()),
- version_(version),
- now_(time(nullptr)) {
-}
-
-Dumpstate& Dumpstate::GetInstance() {
- static Dumpstate singleton_(android::base::GetProperty("dumpstate.version", VERSION_CURRENT));
- return singleton_;
-}
-
-DurationReporter::DurationReporter(const std::string& title, bool logcat_only)
- : title_(title), logcat_only_(logcat_only) {
- if (!title_.empty()) {
- started_ = Nanotime();
- }
-}
-
-DurationReporter::~DurationReporter() {
- if (!title_.empty()) {
- float elapsed = (float)(Nanotime() - started_) / NANOS_PER_SEC;
- if (elapsed < .5f) {
- return;
- }
- MYLOGD("Duration of '%s': %.2fs\n", title_.c_str(), elapsed);
- if (logcat_only_) {
- return;
- }
- // Use "Yoda grammar" to make it easier to grep|sort sections.
- printf("------ %.3fs was the duration of '%s' ------\n", elapsed, title_.c_str());
- }
-}
-
-const int32_t Progress::kDefaultMax = 5000;
-
-Progress::Progress(const std::string& path) : Progress(Progress::kDefaultMax, 1.1, path) {
-}
-
-Progress::Progress(int32_t initial_max, int32_t progress, float growth_factor)
- : Progress(initial_max, growth_factor, "") {
- progress_ = progress;
-}
-
-Progress::Progress(int32_t initial_max, float growth_factor, const std::string& path)
- : initial_max_(initial_max),
- progress_(0),
- max_(initial_max),
- growth_factor_(growth_factor),
- n_runs_(0),
- average_max_(0),
- path_(path) {
- if (!path_.empty()) {
- Load();
- }
-}
-
-void Progress::Load() {
- MYLOGD("Loading stats from %s\n", path_.c_str());
- std::string content;
- if (!android::base::ReadFileToString(path_, &content)) {
- MYLOGI("Could not read stats from %s; using max of %d\n", path_.c_str(), max_);
- return;
- }
- if (content.empty()) {
- MYLOGE("No stats (empty file) on %s; using max of %d\n", path_.c_str(), max_);
- return;
- }
- std::vector<std::string> lines = android::base::Split(content, "\n");
-
- if (lines.size() < 1) {
- MYLOGE("Invalid stats on file %s: not enough lines (%d). Using max of %d\n", path_.c_str(),
- (int)lines.size(), max_);
- return;
- }
- char* ptr;
- n_runs_ = strtol(lines[0].c_str(), &ptr, 10);
- average_max_ = strtol(ptr, nullptr, 10);
- if (n_runs_ <= 0 || average_max_ <= 0 || n_runs_ > STATS_MAX_N_RUNS ||
- average_max_ > STATS_MAX_AVERAGE) {
- MYLOGE("Invalid stats line on file %s: %s\n", path_.c_str(), lines[0].c_str());
- initial_max_ = Progress::kDefaultMax;
- } else {
- initial_max_ = average_max_;
- }
- max_ = initial_max_;
-
- MYLOGI("Average max progress: %d in %d runs; estimated max: %d\n", average_max_, n_runs_, max_);
-}
-
-void Progress::Save() {
- int32_t total = n_runs_ * average_max_ + progress_;
- int32_t runs = n_runs_ + 1;
- int32_t average = floor(((float)total) / runs);
- MYLOGI("Saving stats (total=%d, runs=%d, average=%d) on %s\n", total, runs, average,
- path_.c_str());
- if (path_.empty()) {
- return;
- }
-
- std::string content = android::base::StringPrintf("%d %d\n", runs, average);
- if (!android::base::WriteStringToFile(content, path_)) {
- MYLOGE("Could not save stats on %s\n", path_.c_str());
- }
-}
-
-int32_t Progress::Get() const {
- return progress_;
-}
-
-bool Progress::Inc(int32_t delta_sec) {
- bool changed = false;
- if (delta_sec >= 0) {
- progress_ += delta_sec;
- if (progress_ > max_) {
- int32_t old_max = max_;
- max_ = floor((float)progress_ * growth_factor_);
- MYLOGD("Adjusting max progress from %d to %d\n", old_max, max_);
- changed = true;
- }
- }
- return changed;
-}
-
-int32_t Progress::GetMax() const {
- return max_;
-}
-
-int32_t Progress::GetInitialMax() const {
- return initial_max_;
-}
-
-void Progress::Dump(int fd, const std::string& prefix) const {
- const char* pr = prefix.c_str();
- dprintf(fd, "%sprogress: %d\n", pr, progress_);
- dprintf(fd, "%smax: %d\n", pr, max_);
- dprintf(fd, "%sinitial_max: %d\n", pr, initial_max_);
- dprintf(fd, "%sgrowth_factor: %0.2f\n", pr, growth_factor_);
- dprintf(fd, "%spath: %s\n", pr, path_.c_str());
- dprintf(fd, "%sn_runs: %d\n", pr, n_runs_);
- dprintf(fd, "%saverage_max: %d\n", pr, average_max_);
-}
-
-bool Dumpstate::IsZipping() const {
- return zip_writer_ != nullptr;
-}
-
-std::string Dumpstate::GetPath(const std::string& suffix) const {
- return GetPath(bugreport_internal_dir_, suffix);
-}
-
-std::string Dumpstate::GetPath(const std::string& directory, const std::string& suffix) const {
- return android::base::StringPrintf("%s/%s-%s%s", directory.c_str(), base_name_.c_str(),
- name_.c_str(), suffix.c_str());
-}
-
-void Dumpstate::SetProgress(std::unique_ptr<Progress> progress) {
- progress_ = std::move(progress);
-}
-
-void for_each_userid(void (*func)(int), const char *header) {
- std::string title = header == nullptr ? "for_each_userid" : android::base::StringPrintf(
- "for_each_userid(%s)", header);
- DurationReporter duration_reporter(title);
- if (PropertiesHelper::IsDryRun()) return;
-
- DIR *d;
- struct dirent *de;
-
- if (header) printf("\n------ %s ------\n", header);
- func(0);
-
- if (!(d = opendir("/data/system/users"))) {
- printf("Failed to open /data/system/users (%s)\n", strerror(errno));
- return;
- }
-
- while ((de = readdir(d))) {
- int userid;
- if (de->d_type != DT_DIR || !(userid = atoi(de->d_name))) {
- continue;
- }
- func(userid);
- }
-
- closedir(d);
-}
-
-static void __for_each_pid(void (*helper)(int, const char *, void *), const char *header, void *arg) {
- DIR *d;
- struct dirent *de;
-
- if (!(d = opendir("/proc"))) {
- printf("Failed to open /proc (%s)\n", strerror(errno));
- return;
- }
-
- if (header) printf("\n------ %s ------\n", header);
- while ((de = readdir(d))) {
- if (ds.IsUserConsentDenied()) {
- MYLOGE(
- "Returning early because user denied consent to share bugreport with calling app.");
- closedir(d);
- return;
- }
- int pid;
- int fd;
- char cmdpath[255];
- char cmdline[255];
-
- if (!(pid = atoi(de->d_name))) {
- continue;
- }
-
- memset(cmdline, 0, sizeof(cmdline));
-
- snprintf(cmdpath, sizeof(cmdpath), "/proc/%d/cmdline", pid);
- if ((fd = TEMP_FAILURE_RETRY(open(cmdpath, O_RDONLY | O_CLOEXEC))) >= 0) {
- TEMP_FAILURE_RETRY(read(fd, cmdline, sizeof(cmdline) - 2));
- close(fd);
- if (cmdline[0]) {
- helper(pid, cmdline, arg);
- continue;
- }
- }
-
- // if no cmdline, a kernel thread has comm
- snprintf(cmdpath, sizeof(cmdpath), "/proc/%d/comm", pid);
- if ((fd = TEMP_FAILURE_RETRY(open(cmdpath, O_RDONLY | O_CLOEXEC))) >= 0) {
- TEMP_FAILURE_RETRY(read(fd, cmdline + 1, sizeof(cmdline) - 4));
- close(fd);
- if (cmdline[1]) {
- cmdline[0] = '[';
- size_t len = strcspn(cmdline, "\f\b\r\n");
- cmdline[len] = ']';
- cmdline[len+1] = '\0';
- }
- }
- if (!cmdline[0]) {
- strcpy(cmdline, "N/A");
- }
- helper(pid, cmdline, arg);
- }
-
- closedir(d);
-}
-
-static void for_each_pid_helper(int pid, const char *cmdline, void *arg) {
- for_each_pid_func *func = (for_each_pid_func*) arg;
- func(pid, cmdline);
-}
-
-void for_each_pid(for_each_pid_func func, const char *header) {
- std::string title = header == nullptr ? "for_each_pid"
- : android::base::StringPrintf("for_each_pid(%s)", header);
- DurationReporter duration_reporter(title);
- if (PropertiesHelper::IsDryRun()) return;
-
- __for_each_pid(for_each_pid_helper, header, (void *) func);
-}
-
-static void for_each_tid_helper(int pid, const char *cmdline, void *arg) {
- DIR *d;
- struct dirent *de;
- char taskpath[255];
- for_each_tid_func *func = (for_each_tid_func *) arg;
-
- snprintf(taskpath, sizeof(taskpath), "/proc/%d/task", pid);
-
- if (!(d = opendir(taskpath))) {
- printf("Failed to open %s (%s)\n", taskpath, strerror(errno));
- return;
- }
-
- func(pid, pid, cmdline);
-
- while ((de = readdir(d))) {
- if (ds.IsUserConsentDenied()) {
- MYLOGE(
- "Returning early because user denied consent to share bugreport with calling app.");
- closedir(d);
- return;
- }
- int tid;
- int fd;
- char commpath[255];
- char comm[255];
-
- if (!(tid = atoi(de->d_name))) {
- continue;
- }
-
- if (tid == pid)
- continue;
-
- snprintf(commpath, sizeof(commpath), "/proc/%d/comm", tid);
- memset(comm, 0, sizeof(comm));
- if ((fd = TEMP_FAILURE_RETRY(open(commpath, O_RDONLY | O_CLOEXEC))) < 0) {
- strcpy(comm, "N/A");
- } else {
- char *c;
- TEMP_FAILURE_RETRY(read(fd, comm, sizeof(comm) - 2));
- close(fd);
-
- c = strrchr(comm, '\n');
- if (c) {
- *c = '\0';
- }
- }
- func(pid, tid, comm);
- }
-
- closedir(d);
-}
-
-void for_each_tid(for_each_tid_func func, const char *header) {
- std::string title = header == nullptr ? "for_each_tid"
- : android::base::StringPrintf("for_each_tid(%s)", header);
- DurationReporter duration_reporter(title);
-
- if (PropertiesHelper::IsDryRun()) return;
-
- __for_each_pid(for_each_tid_helper, header, (void *) func);
-}
-
-void show_wchan(int pid, int tid, const char *name) {
- if (PropertiesHelper::IsDryRun()) return;
-
- char path[255];
- char buffer[255];
- int fd, ret, save_errno;
- char name_buffer[255];
-
- memset(buffer, 0, sizeof(buffer));
-
- snprintf(path, sizeof(path), "/proc/%d/wchan", tid);
- if ((fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC))) < 0) {
- printf("Failed to open '%s' (%s)\n", path, strerror(errno));
- return;
- }
-
- ret = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer)));
- save_errno = errno;
- close(fd);
-
- if (ret < 0) {
- printf("Failed to read '%s' (%s)\n", path, strerror(save_errno));
- return;
- }
-
- snprintf(name_buffer, sizeof(name_buffer), "%*s%s",
- pid == tid ? 0 : 3, "", name);
-
- printf("%-7d %-32s %s\n", tid, name_buffer, buffer);
-
- return;
-}
-
-// print time in centiseconds
-static void snprcent(char *buffer, size_t len, size_t spc,
- unsigned long long time) {
- static long hz; // cache discovered hz
-
- if (hz <= 0) {
- hz = sysconf(_SC_CLK_TCK);
- if (hz <= 0) {
- hz = 1000;
- }
- }
-
- // convert to centiseconds
- time = (time * 100 + (hz / 2)) / hz;
-
- char str[16];
-
- snprintf(str, sizeof(str), " %llu.%02u",
- time / 100, (unsigned)(time % 100));
- size_t offset = strlen(buffer);
- snprintf(buffer + offset, (len > offset) ? len - offset : 0,
- "%*s", (spc > offset) ? (int)(spc - offset) : 0, str);
-}
-
-// print permille as a percent
-static void snprdec(char *buffer, size_t len, size_t spc, unsigned permille) {
- char str[16];
-
- snprintf(str, sizeof(str), " %u.%u%%", permille / 10, permille % 10);
- size_t offset = strlen(buffer);
- snprintf(buffer + offset, (len > offset) ? len - offset : 0,
- "%*s", (spc > offset) ? (int)(spc - offset) : 0, str);
-}
-
-void show_showtime(int pid, const char *name) {
- if (PropertiesHelper::IsDryRun()) return;
-
- char path[255];
- char buffer[1023];
- int fd, ret, save_errno;
-
- memset(buffer, 0, sizeof(buffer));
-
- snprintf(path, sizeof(path), "/proc/%d/stat", pid);
- if ((fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC))) < 0) {
- printf("Failed to open '%s' (%s)\n", path, strerror(errno));
- return;
- }
-
- ret = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer)));
- save_errno = errno;
- close(fd);
-
- if (ret < 0) {
- printf("Failed to read '%s' (%s)\n", path, strerror(save_errno));
- return;
- }
-
- // field 14 is utime
- // field 15 is stime
- // field 42 is iotime
- unsigned long long utime = 0, stime = 0, iotime = 0;
- if (sscanf(buffer,
- "%*u %*s %*s %*d %*d %*d %*d %*d %*d %*d %*d "
- "%*d %*d %llu %llu %*d %*d %*d %*d %*d %*d "
- "%*d %*d %*d %*d %*d %*d %*d %*d %*d %*d "
- "%*d %*d %*d %*d %*d %*d %*d %*d %*d %llu ",
- &utime, &stime, &iotime) != 3) {
- return;
- }
-
- unsigned long long total = utime + stime;
- if (!total) {
- return;
- }
-
- unsigned permille = (iotime * 1000 + (total / 2)) / total;
- if (permille > 1000) {
- permille = 1000;
- }
-
- // try to beautify and stabilize columns at <80 characters
- snprintf(buffer, sizeof(buffer), "%-6d%s", pid, name);
- if ((name[0] != '[') || utime) {
- snprcent(buffer, sizeof(buffer), 57, utime);
- }
- snprcent(buffer, sizeof(buffer), 65, stime);
- if ((name[0] != '[') || iotime) {
- snprcent(buffer, sizeof(buffer), 73, iotime);
- }
- if (iotime) {
- snprdec(buffer, sizeof(buffer), 79, permille);
- }
- puts(buffer); // adds a trailing newline
-
- return;
-}
-
-void do_dmesg() {
- const char *title = "KERNEL LOG (dmesg)";
- DurationReporter duration_reporter(title);
- printf("------ %s ------\n", title);
-
- if (PropertiesHelper::IsDryRun()) return;
-
- /* Get size of kernel buffer */
- int size = klogctl(KLOG_SIZE_BUFFER, nullptr, 0);
- if (size <= 0) {
- printf("Unexpected klogctl return value: %d\n\n", size);
- return;
- }
- char *buf = (char *) malloc(size + 1);
- if (buf == nullptr) {
- printf("memory allocation failed\n\n");
- return;
- }
- int retval = klogctl(KLOG_READ_ALL, buf, size);
- if (retval < 0) {
- printf("klogctl failure\n\n");
- free(buf);
- return;
- }
- buf[retval] = '\0';
- printf("%s\n\n", buf);
- free(buf);
- return;
-}
-
-void do_showmap(int pid, const char *name) {
- char title[255];
- char arg[255];
-
- snprintf(title, sizeof(title), "SHOW MAP %d (%s)", pid, name);
- snprintf(arg, sizeof(arg), "%d", pid);
- RunCommand(title, {"showmap", "-q", arg}, CommandOptions::AS_ROOT);
-}
-
-int Dumpstate::DumpFile(const std::string& title, const std::string& path) {
- DurationReporter duration_reporter(title);
-
- int status = DumpFileToFd(STDOUT_FILENO, title, path);
-
- UpdateProgress(WEIGHT_FILE);
-
- return status;
-}
-
-int read_file_as_long(const char *path, long int *output) {
- int fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_NONBLOCK | O_CLOEXEC));
- if (fd < 0) {
- int err = errno;
- MYLOGE("Error opening file descriptor for %s: %s\n", path, strerror(err));
- return -1;
- }
- char buffer[50];
- ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer)));
- if (bytes_read == -1) {
- MYLOGE("Error reading file %s: %s\n", path, strerror(errno));
- return -2;
- }
- if (bytes_read == 0) {
- MYLOGE("File %s is empty\n", path);
- return -3;
- }
- *output = atoi(buffer);
- return 0;
-}
-
-/* calls skip to gate calling dump_from_fd recursively
- * in the specified directory. dump_from_fd defaults to
- * dump_file_from_fd above when set to NULL. skip defaults
- * to false when set to NULL. dump_from_fd will always be
- * called with title NULL.
- */
-int dump_files(const std::string& title, const char* dir, bool (*skip)(const char* path),
- int (*dump_from_fd)(const char* title, const char* path, int fd)) {
- DurationReporter duration_reporter(title);
- DIR *dirp;
- struct dirent *d;
- char *newpath = nullptr;
- const char *slash = "/";
- int retval = 0;
-
- if (!title.empty()) {
- printf("------ %s (%s) ------\n", title.c_str(), dir);
- }
- if (PropertiesHelper::IsDryRun()) return 0;
-
- if (dir[strlen(dir) - 1] == '/') {
- ++slash;
- }
- dirp = opendir(dir);
- if (dirp == nullptr) {
- retval = -errno;
- MYLOGE("%s: %s\n", dir, strerror(errno));
- return retval;
- }
-
- if (!dump_from_fd) {
- dump_from_fd = dump_file_from_fd;
- }
- for (; ((d = readdir(dirp))); free(newpath), newpath = nullptr) {
- if ((d->d_name[0] == '.')
- && (((d->d_name[1] == '.') && (d->d_name[2] == '\0'))
- || (d->d_name[1] == '\0'))) {
- continue;
- }
- asprintf(&newpath, "%s%s%s%s", dir, slash, d->d_name,
- (d->d_type == DT_DIR) ? "/" : "");
- if (!newpath) {
- retval = -errno;
- continue;
- }
- if (skip && (*skip)(newpath)) {
- continue;
- }
- if (d->d_type == DT_DIR) {
- int ret = dump_files("", newpath, skip, dump_from_fd);
- if (ret < 0) {
- retval = ret;
- }
- continue;
- }
- android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(newpath, O_RDONLY | O_NONBLOCK | O_CLOEXEC)));
- if (fd.get() < 0) {
- retval = -1;
- printf("*** %s: %s\n", newpath, strerror(errno));
- continue;
- }
- (*dump_from_fd)(nullptr, newpath, fd.get());
- }
- closedir(dirp);
- if (!title.empty()) {
- printf("\n");
- }
- return retval;
-}
-
-/* fd must have been opened with the flag O_NONBLOCK. With this flag set,
- * it's possible to avoid issues where opening the file itself can get
- * stuck.
- */
-int dump_file_from_fd(const char *title, const char *path, int fd) {
- if (PropertiesHelper::IsDryRun()) return 0;
-
- int flags = fcntl(fd, F_GETFL);
- if (flags == -1) {
- printf("*** %s: failed to get flags on fd %d: %s\n", path, fd, strerror(errno));
- return -1;
- } else if (!(flags & O_NONBLOCK)) {
- printf("*** %s: fd must have O_NONBLOCK set.\n", path);
- return -1;
- }
- return DumpFileFromFdToFd(title, path, fd, STDOUT_FILENO, PropertiesHelper::IsDryRun());
-}
-
-int Dumpstate::RunCommand(const std::string& title, const std::vector<std::string>& full_command,
- const CommandOptions& options) {
- DurationReporter duration_reporter(title);
-
- int status = RunCommandToFd(STDOUT_FILENO, title, full_command, options);
-
- /* TODO: for now we're simplifying the progress calculation by using the
- * timeout as the weight. It's a good approximation for most cases, except when calling dumpsys,
- * where its weight should be much higher proportionally to its timeout.
- * Ideally, it should use a options.EstimatedDuration() instead...*/
- UpdateProgress(options.Timeout());
-
- return status;
-}
-
-void Dumpstate::RunDumpsys(const std::string& title, const std::vector<std::string>& dumpsys_args,
- const CommandOptions& options, long dumpsysTimeoutMs) {
- long timeout_ms = dumpsysTimeoutMs > 0 ? dumpsysTimeoutMs : options.TimeoutInMs();
- std::vector<std::string> dumpsys = {"/system/bin/dumpsys", "-T", std::to_string(timeout_ms)};
- dumpsys.insert(dumpsys.end(), dumpsys_args.begin(), dumpsys_args.end());
- RunCommand(title, dumpsys, options);
-}
-
-int open_socket(const char *service) {
- int s = android_get_control_socket(service);
- if (s < 0) {
- MYLOGE("android_get_control_socket(%s): %s\n", service, strerror(errno));
- return -1;
- }
- fcntl(s, F_SETFD, FD_CLOEXEC);
- if (listen(s, 4) < 0) {
- MYLOGE("listen(control socket): %s\n", strerror(errno));
- return -1;
- }
-
- struct sockaddr addr;
- socklen_t alen = sizeof(addr);
- int fd = accept(s, &addr, &alen);
-
- // Close socket just after accept(), to make sure that connect() by client will get error
- // when the socket is used by the other services.
- close(s);
-
- if (fd < 0) {
- MYLOGE("accept(control socket): %s\n", strerror(errno));
- return -1;
- }
-
- return fd;
-}
-
-/* redirect output to a service control socket */
-bool redirect_to_socket(FILE* redirect, const char* service) {
- int fd = open_socket(service);
- if (fd == -1) {
- return false;
- }
- fflush(redirect);
- // TODO: handle dup2 failure
- TEMP_FAILURE_RETRY(dup2(fd, fileno(redirect)));
- close(fd);
- return true;
-}
-
-// TODO: should call is_valid_output_file and/or be merged into it.
-void create_parent_dirs(const char *path) {
- char *chp = const_cast<char *> (path);
-
- /* skip initial slash */
- if (chp[0] == '/')
- chp++;
-
- /* create leading directories, if necessary */
- struct stat dir_stat;
- while (chp && chp[0]) {
- chp = strchr(chp, '/');
- if (chp) {
- *chp = 0;
- if (stat(path, &dir_stat) == -1 || !S_ISDIR(dir_stat.st_mode)) {
- MYLOGI("Creating directory %s\n", path);
- if (mkdir(path, 0770)) { /* drwxrwx--- */
- MYLOGE("Unable to create directory %s: %s\n", path, strerror(errno));
- } else if (chown(path, AID_SHELL, AID_SHELL)) {
- MYLOGE("Unable to change ownership of dir %s: %s\n", path, strerror(errno));
- }
- }
- *chp++ = '/';
- }
- }
-}
-
-bool _redirect_to_file(FILE* redirect, char* path, int truncate_flag) {
- create_parent_dirs(path);
-
- int fd = TEMP_FAILURE_RETRY(open(path,
- O_WRONLY | O_CREAT | truncate_flag | O_CLOEXEC | O_NOFOLLOW,
- S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH));
- if (fd < 0) {
- MYLOGE("%s: %s\n", path, strerror(errno));
- return false;
- }
-
- TEMP_FAILURE_RETRY(dup2(fd, fileno(redirect)));
- close(fd);
- return true;
-}
-
-bool redirect_to_file(FILE* redirect, char* path) {
- return _redirect_to_file(redirect, path, O_TRUNC);
-}
-
-bool redirect_to_existing_file(FILE* redirect, char* path) {
- return _redirect_to_file(redirect, path, O_APPEND);
-}
-
-void dump_route_tables() {
- DurationReporter duration_reporter("DUMP ROUTE TABLES");
- if (PropertiesHelper::IsDryRun()) return;
- const char* const RT_TABLES_PATH = "/data/misc/net/rt_tables";
- ds.DumpFile("RT_TABLES", RT_TABLES_PATH);
- FILE* fp = fopen(RT_TABLES_PATH, "re");
- if (!fp) {
- printf("*** %s: %s\n", RT_TABLES_PATH, strerror(errno));
- return;
- }
- char table[16];
- // Each line has an integer (the table number), a space, and a string (the table name). We only
- // need the table number. It's a 32-bit unsigned number, so max 10 chars. Skip the table name.
- // Add a fixed max limit so this doesn't go awry.
- for (int i = 0; i < 64 && fscanf(fp, " %10s %*s", table) == 1; ++i) {
- RunCommand("ROUTE TABLE IPv4", {"ip", "-4", "route", "show", "table", table});
- RunCommand("ROUTE TABLE IPv6", {"ip", "-6", "route", "show", "table", table});
- }
- fclose(fp);
-}
-
-// TODO: make this function thread safe if sections are generated in parallel.
-void Dumpstate::UpdateProgress(int32_t delta_sec) {
- if (progress_ == nullptr) {
- MYLOGE("UpdateProgress: progress_ not set\n");
- return;
- }
-
- // Always update progess so stats can be tuned...
- bool max_changed = progress_->Inc(delta_sec);
-
- // ...but only notifiy listeners when necessary.
- if (!options_->do_progress_updates) return;
-
- int progress = progress_->Get();
- int max = progress_->GetMax();
-
- // adjusts max on the fly
- if (max_changed && listener_ != nullptr) {
- listener_->onMaxProgressUpdated(max);
- }
-
- int32_t last_update_delta = progress - last_updated_progress_;
- if (last_updated_progress_ > 0 && last_update_delta < update_progress_threshold_) {
- return;
- }
- last_updated_progress_ = progress;
-
- if (control_socket_fd_ >= 0) {
- dprintf(control_socket_fd_, "PROGRESS:%d/%d\n", progress, max);
- fsync(control_socket_fd_);
- }
-
- int percent = 100 * progress / max;
- if (listener_ != nullptr) {
- if (percent % 5 == 0) {
- // We don't want to spam logcat, so only log multiples of 5.
- MYLOGD("Setting progress (%s): %d/%d (%d%%)\n", listener_name_.c_str(), progress, max,
- percent);
- } else {
- // stderr is ignored on normal invocations, but useful when calling
- // /system/bin/dumpstate directly for debuggging.
- fprintf(stderr, "Setting progress (%s): %d/%d (%d%%)\n", listener_name_.c_str(),
- progress, max, percent);
- }
- // TODO(b/111441001): Remove in favor of onProgress
- listener_->onProgressUpdated(progress);
-
- listener_->onProgress(percent);
- }
-}
-
-void Dumpstate::TakeScreenshot(const std::string& path) {
- const std::string& real_path = path.empty() ? screenshot_path_ : path;
- int status =
- RunCommand("", {"/system/bin/screencap", "-p", real_path},
- CommandOptions::WithTimeout(10).Always().DropRoot().RedirectStderr().Build());
- if (status == 0) {
- MYLOGD("Screenshot saved on %s\n", real_path.c_str());
- } else {
- MYLOGE("Failed to take screenshot on %s\n", real_path.c_str());
- }
-}
-
-bool is_dir(const char* pathname) {
- struct stat info;
- if (stat(pathname, &info) == -1) {
- return false;
- }
- return S_ISDIR(info.st_mode);
-}
-
-time_t get_mtime(int fd, time_t default_mtime) {
- struct stat info;
- if (fstat(fd, &info) == -1) {
- return default_mtime;
- }
- return info.st_mtime;
-}
-
-void dump_emmc_ecsd(const char *ext_csd_path) {
- // List of interesting offsets
- struct hex {
- char str[2];
- };
- static const size_t EXT_CSD_REV = 192 * sizeof(hex);
- static const size_t EXT_PRE_EOL_INFO = 267 * sizeof(hex);
- static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_A = 268 * sizeof(hex);
- static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_B = 269 * sizeof(hex);
-
- std::string buffer;
- if (!android::base::ReadFileToString(ext_csd_path, &buffer)) {
- return;
- }
-
- printf("------ %s Extended CSD ------\n", ext_csd_path);
-
- if (buffer.length() < (EXT_CSD_REV + sizeof(hex))) {
- printf("*** %s: truncated content %zu\n\n", ext_csd_path, buffer.length());
- return;
- }
-
- int ext_csd_rev = 0;
- std::string sub = buffer.substr(EXT_CSD_REV, sizeof(hex));
- if (sscanf(sub.c_str(), "%2x", &ext_csd_rev) != 1) {
- printf("*** %s: EXT_CSD_REV parse error \"%s\"\n\n", ext_csd_path, sub.c_str());
- return;
- }
-
- static const char *ver_str[] = {
- "4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0"
- };
- printf("rev 1.%d (MMC %s)\n", ext_csd_rev,
- (ext_csd_rev < (int)(sizeof(ver_str) / sizeof(ver_str[0]))) ? ver_str[ext_csd_rev]
- : "Unknown");
- if (ext_csd_rev < 7) {
- printf("\n");
- return;
- }
-
- if (buffer.length() < (EXT_PRE_EOL_INFO + sizeof(hex))) {
- printf("*** %s: truncated content %zu\n\n", ext_csd_path, buffer.length());
- return;
- }
-
- int ext_pre_eol_info = 0;
- sub = buffer.substr(EXT_PRE_EOL_INFO, sizeof(hex));
- if (sscanf(sub.c_str(), "%2x", &ext_pre_eol_info) != 1) {
- printf("*** %s: PRE_EOL_INFO parse error \"%s\"\n\n", ext_csd_path, sub.c_str());
- return;
- }
-
- static const char *eol_str[] = {
- "Undefined",
- "Normal",
- "Warning (consumed 80% of reserve)",
- "Urgent (consumed 90% of reserve)"
- };
- printf(
- "PRE_EOL_INFO %d (MMC %s)\n", ext_pre_eol_info,
- eol_str[(ext_pre_eol_info < (int)(sizeof(eol_str) / sizeof(eol_str[0]))) ? ext_pre_eol_info
- : 0]);
-
- for (size_t lifetime = EXT_DEVICE_LIFE_TIME_EST_TYP_A;
- lifetime <= EXT_DEVICE_LIFE_TIME_EST_TYP_B;
- lifetime += sizeof(hex)) {
- int ext_device_life_time_est;
- static const char *est_str[] = {
- "Undefined",
- "0-10% of device lifetime used",
- "10-20% of device lifetime used",
- "20-30% of device lifetime used",
- "30-40% of device lifetime used",
- "40-50% of device lifetime used",
- "50-60% of device lifetime used",
- "60-70% of device lifetime used",
- "70-80% of device lifetime used",
- "80-90% of device lifetime used",
- "90-100% of device lifetime used",
- "Exceeded the maximum estimated device lifetime",
- };
-
- if (buffer.length() < (lifetime + sizeof(hex))) {
- printf("*** %s: truncated content %zu\n", ext_csd_path, buffer.length());
- break;
- }
-
- ext_device_life_time_est = 0;
- sub = buffer.substr(lifetime, sizeof(hex));
- if (sscanf(sub.c_str(), "%2x", &ext_device_life_time_est) != 1) {
- printf("*** %s: DEVICE_LIFE_TIME_EST_TYP_%c parse error \"%s\"\n", ext_csd_path,
- (unsigned)((lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) / sizeof(hex)) + 'A',
- sub.c_str());
- continue;
- }
- printf("DEVICE_LIFE_TIME_EST_TYP_%c %d (MMC %s)\n",
- (unsigned)((lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) / sizeof(hex)) + 'A',
- ext_device_life_time_est,
- est_str[(ext_device_life_time_est < (int)(sizeof(est_str) / sizeof(est_str[0])))
- ? ext_device_life_time_est
- : 0]);
- }
-
- printf("\n");
-}
diff --git a/cmds/installd/otapreopt_chroot.cpp b/cmds/installd/otapreopt_chroot.cpp
index 0c4badf..b4bcd53 100644
--- a/cmds/installd/otapreopt_chroot.cpp
+++ b/cmds/installd/otapreopt_chroot.cpp
@@ -236,6 +236,18 @@
// the Android Runtime APEX, as it is required by otapreopt to run dex2oat.
std::vector<apex::ApexFile> active_packages = ActivateApexPackages();
+ // Check that an Android Runtime APEX has been activated; clean up and exit
+ // early otherwise.
+ if (std::none_of(active_packages.begin(),
+ active_packages.end(),
+ [](const apex::ApexFile& package){
+ return package.GetManifest().name() == "com.android.runtime";
+ })) {
+ LOG(FATAL_WITHOUT_ABORT) << "No activated com.android.runtime APEX package.";
+ DeactivateApexPackages(active_packages);
+ exit(217);
+ }
+
// Now go on and run otapreopt.
// Incoming: cmd + status-fd + target-slot + cmd... | Incoming | = argc
diff --git a/cmds/installd/tests/installd_dexopt_test.cpp b/cmds/installd/tests/installd_dexopt_test.cpp
index 73780ec..0212bc5 100644
--- a/cmds/installd/tests/installd_dexopt_test.cpp
+++ b/cmds/installd/tests/installd_dexopt_test.cpp
@@ -275,7 +275,7 @@
writer.StartEntry("primary.prof", ZipWriter::kCompress);
writer.FinishEntry();
writer.Finish();
- close(fd);
+ fclose(file);
}
// Create the app user data.
diff --git a/cmds/lshal/Android.bp b/cmds/lshal/Android.bp
index 495cc80..f8b8c68 100644
--- a/cmds/lshal/Android.bp
+++ b/cmds/lshal/Android.bp
@@ -36,6 +36,7 @@
"TableEntry.cpp",
"TextTable.cpp",
"utils.cpp",
+ "WaitCommand.cpp",
],
cflags: [
"-Wall",
diff --git a/cmds/lshal/ListCommand.cpp b/cmds/lshal/ListCommand.cpp
index c706d91..ad7e4c4 100644
--- a/cmds/lshal/ListCommand.cpp
+++ b/cmds/lshal/ListCommand.cpp
@@ -975,7 +975,8 @@
" - DM: if the HAL is in the device manifest\n"
" - DC: if the HAL is in the device compatibility matrix\n"
" - FM: if the HAL is in the framework manifest\n"
- " - FC: if the HAL is in the framework compatibility matrix"});
+ " - FC: if the HAL is in the framework compatibility matrix\n"
+ " - X: if the HAL is in none of the above lists"});
mOptions.push_back({'S', "service-status", no_argument, v++, [](ListCommand* thiz, const char*) {
thiz->mSelectedColumns.push_back(TableColumnType::SERVICE_STATUS);
return OK;
diff --git a/cmds/lshal/Lshal.cpp b/cmds/lshal/Lshal.cpp
index 8c83457..132b31e 100644
--- a/cmds/lshal/Lshal.cpp
+++ b/cmds/lshal/Lshal.cpp
@@ -26,7 +26,9 @@
#include <hidl/HidlTransportUtils.h>
#include "DebugCommand.h"
+#include "HelpCommand.h"
#include "ListCommand.h"
+#include "WaitCommand.h"
#include "PipeRelay.h"
namespace android {
@@ -49,6 +51,7 @@
mRegisteredCommands.push_back({std::make_unique<ListCommand>(*this)});
mRegisteredCommands.push_back({std::make_unique<DebugCommand>(*this)});
mRegisteredCommands.push_back({std::make_unique<HelpCommand>(*this)});
+ mRegisteredCommands.push_back({std::make_unique<WaitCommand>(*this)});
}
void Lshal::forEachCommand(const std::function<void(const Command* c)>& f) const {
diff --git a/cmds/lshal/Lshal.h b/cmds/lshal/Lshal.h
index 2679650..830bd87 100644
--- a/cmds/lshal/Lshal.h
+++ b/cmds/lshal/Lshal.h
@@ -24,7 +24,6 @@
#include <utils/StrongPointer.h>
#include "Command.h"
-#include "HelpCommand.h"
#include "NullableOStream.h"
#include "utils.h"
diff --git a/cmds/lshal/WaitCommand.cpp b/cmds/lshal/WaitCommand.cpp
new file mode 100644
index 0000000..65b41b9
--- /dev/null
+++ b/cmds/lshal/WaitCommand.cpp
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "WaitCommand.h"
+
+#include "Lshal.h"
+
+#include <hidl/ServiceManagement.h>
+#include <hidl-util/FQName.h>
+
+namespace android {
+namespace lshal {
+
+std::string WaitCommand::getName() const {
+ return "wait";
+}
+
+std::string WaitCommand::getSimpleDescription() const {
+ return "Wait for HAL to start if it is not already started.";
+}
+
+Status WaitCommand::parseArgs(const Arg &arg) {
+ if (optind + 1 != arg.argc) {
+ return USAGE;
+ }
+
+ mInterfaceName = arg.argv[optind];
+ ++optind;
+ return OK;
+}
+
+Status WaitCommand::main(const Arg &arg) {
+ Status status = parseArgs(arg);
+ if (status != OK) {
+ return status;
+ }
+
+ auto [interface, instance] = splitFirst(mInterfaceName, '/');
+ instance = instance.empty() ? "default" : instance;
+
+ FQName fqName;
+ if (!FQName::parse(interface, &fqName) || fqName.isIdentifier() || !fqName.isFullyQualified()) {
+ mLshal.err() << "Invalid fully-qualified name '" << interface << "'\n\n";
+ return USAGE;
+ }
+
+ using android::hidl::manager::V1_0::IServiceManager;
+
+ using android::hardware::details::getRawServiceInternal;
+ auto service = getRawServiceInternal(interface, instance, true /*retry*/, false /*getStub*/);
+
+ if (service == nullptr) {
+ mLshal.err() << "Service not found (missing permissions or not in VINTF manifest?).\n";
+ return NO_INTERFACE;
+ }
+
+ return OK;
+}
+
+void WaitCommand::usage() const {
+ static const std::string debug =
+ "wait:\n"
+ " lshal wait <interface/instance> \n"
+ " For a HAL that is on the device, wait for the HAL to start.\n"
+ " This will not start a HAL unless it is configured as a lazy HAL.\n"
+ " <interface>: Format is `android.hardware.foo@1.0::IFoo/default`.\n"
+ " If instance name is missing `default` is used.\n";
+
+ mLshal.err() << debug;
+}
+
+} // namespace lshal
+} // namespace android
+
diff --git a/cmds/lshal/WaitCommand.h b/cmds/lshal/WaitCommand.h
new file mode 100644
index 0000000..c9f67c2
--- /dev/null
+++ b/cmds/lshal/WaitCommand.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <string>
+
+#include <android-base/macros.h>
+
+#include "Command.h"
+#include "utils.h"
+
+namespace android {
+namespace lshal {
+
+class Lshal;
+
+class WaitCommand : public Command {
+public:
+ explicit WaitCommand(Lshal &lshal) : Command(lshal) {}
+ ~WaitCommand() = default;
+ Status main(const Arg &arg) override;
+ void usage() const override;
+ std::string getSimpleDescription() const override;
+ std::string getName() const override;
+private:
+ Status parseArgs(const Arg &arg);
+
+ std::string mInterfaceName;
+
+ DISALLOW_COPY_AND_ASSIGN(WaitCommand);
+};
+
+
+} // namespace lshal
+} // namespace android
diff --git a/cmds/service/Android.bp b/cmds/service/Android.bp
index 9513ec1..a5b1ac5 100644
--- a/cmds/service/Android.bp
+++ b/cmds/service/Android.bp
@@ -4,6 +4,7 @@
srcs: ["service.cpp"],
shared_libs: [
+ "libcutils",
"libutils",
"libbinder",
],
@@ -22,6 +23,7 @@
srcs: ["service.cpp"],
shared_libs: [
+ "libcutils",
"libutils",
"libbinder",
],
diff --git a/cmds/service/service.cpp b/cmds/service/service.cpp
index d5dc6b7..18b6b58 100644
--- a/cmds/service/service.cpp
+++ b/cmds/service/service.cpp
@@ -18,13 +18,18 @@
#include <binder/ProcessState.h>
#include <binder/IServiceManager.h>
#include <binder/TextOutput.h>
+#include <cutils/ashmem.h>
#include <getopt.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
+#include <sys/mman.h>
#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
using namespace android;
@@ -70,7 +75,7 @@
{
bool wantsUsage = false;
int result = 0;
-
+
while (1) {
int ic = getopt(argc, argv, "h?");
if (ic < 0)
@@ -97,7 +102,7 @@
aerr << "service: Unable to get default service manager!" << endl;
return 20;
}
-
+
if (optind >= argc) {
wantsUsage = true;
} else if (!wantsUsage) {
@@ -119,8 +124,8 @@
for (unsigned i = 0; i < services.size(); i++) {
String16 name = services[i];
sp<IBinder> service = sm->checkService(name);
- aout << i
- << "\t" << good_old_string(name)
+ aout << i
+ << "\t" << good_old_string(name)
<< ": [" << good_old_string(get_interface_name(service)) << "]"
<< endl;
}
@@ -187,69 +192,120 @@
} else if (strcmp(argv[optind], "null") == 0) {
optind++;
data.writeStrongBinder(nullptr);
- } else if (strcmp(argv[optind], "intent") == 0) {
-
- char* action = nullptr;
- char* dataArg = nullptr;
- char* type = nullptr;
- int launchFlags = 0;
- char* component = nullptr;
- int categoryCount = 0;
- char* categories[16];
-
- char* context1 = nullptr;
-
+ } else if (strcmp(argv[optind], "fd") == 0) {
optind++;
-
- while (optind < argc)
- {
- char* key = strtok_r(argv[optind], "=", &context1);
- char* value = strtok_r(nullptr, "=", &context1);
-
+ if (optind >= argc) {
+ aerr << "service: no path supplied for 'fd'" << endl;
+ wantsUsage = true;
+ result = 10;
+ break;
+ }
+ const char *path = argv[optind++];
+ int fd = open(path, O_RDONLY);
+ if (fd < 0) {
+ aerr << "service: could not open '" << path << "'" << endl;
+ wantsUsage = true;
+ result = 10;
+ break;
+ }
+ data.writeFileDescriptor(fd, true /* take ownership */);
+ } else if (strcmp(argv[optind], "afd") == 0) {
+ optind++;
+ if (optind >= argc) {
+ aerr << "service: no path supplied for 'afd'" << endl;
+ wantsUsage = true;
+ result = 10;
+ break;
+ }
+ const char *path = argv[optind++];
+ int fd = open(path, O_RDONLY);
+ struct stat statbuf;
+ if (fd < 0 || fstat(fd, &statbuf) != 0) {
+ aerr << "service: could not open or stat '" << path << "'" << endl;
+ wantsUsage = true;
+ result = 10;
+ break;
+ }
+ int afd = ashmem_create_region("test", statbuf.st_size);
+ void* ptr = mmap(NULL, statbuf.st_size,
+ PROT_READ | PROT_WRITE, MAP_SHARED, afd, 0);
+ read(fd, ptr, statbuf.st_size);
+ close(fd);
+ data.writeFileDescriptor(afd, true /* take ownership */);
+ } else if (strcmp(argv[optind], "nfd") == 0) {
+ optind++;
+ if (optind >= argc) {
+ aerr << "service: no file descriptor supplied for 'nfd'" << endl;
+ wantsUsage = true;
+ result = 10;
+ break;
+ }
+ data.writeFileDescriptor(
+ atoi(argv[optind++]), true /* take ownership */);
+
+ } else if (strcmp(argv[optind], "intent") == 0) {
+
+ char* action = nullptr;
+ char* dataArg = nullptr;
+ char* type = nullptr;
+ int launchFlags = 0;
+ char* component = nullptr;
+ int categoryCount = 0;
+ char* categories[16];
+
+ char* context1 = nullptr;
+
+ optind++;
+
+ while (optind < argc)
+ {
+ char* key = strtok_r(argv[optind], "=", &context1);
+ char* value = strtok_r(nullptr, "=", &context1);
+
// we have reached the end of the XXX=XXX args.
if (key == nullptr) break;
-
- if (strcmp(key, "action") == 0)
- {
- action = value;
- }
- else if (strcmp(key, "data") == 0)
- {
- dataArg = value;
- }
- else if (strcmp(key, "type") == 0)
- {
- type = value;
- }
- else if (strcmp(key, "launchFlags") == 0)
- {
- launchFlags = atoi(value);
- }
- else if (strcmp(key, "component") == 0)
- {
- component = value;
- }
- else if (strcmp(key, "categories") == 0)
- {
- char* context2 = nullptr;
- categories[categoryCount] = strtok_r(value, ",", &context2);
-
- while (categories[categoryCount] != nullptr)
- {
- categoryCount++;
- categories[categoryCount] = strtok_r(nullptr, ",", &context2);
- }
- }
-
+
+ if (strcmp(key, "action") == 0)
+ {
+ action = value;
+ }
+ else if (strcmp(key, "data") == 0)
+ {
+ dataArg = value;
+ }
+ else if (strcmp(key, "type") == 0)
+ {
+ type = value;
+ }
+ else if (strcmp(key, "launchFlags") == 0)
+ {
+ launchFlags = atoi(value);
+ }
+ else if (strcmp(key, "component") == 0)
+ {
+ component = value;
+ }
+ else if (strcmp(key, "categories") == 0)
+ {
+ char* context2 = nullptr;
+ categories[categoryCount] = strtok_r(value, ",", &context2);
+
+ while (categories[categoryCount] != nullptr)
+ {
+ categoryCount++;
+ categories[categoryCount] = strtok_r(nullptr, ",", &context2);
+ }
+ }
+
optind++;
- }
-
+ }
+
writeString16(data, action);
writeString16(data, dataArg);
writeString16(data, type);
- data.writeInt32(launchFlags);
+ data.writeInt32(launchFlags);
writeString16(data, component);
-
+
if (categoryCount > 0)
{
data.writeInt32(categoryCount);
@@ -261,10 +317,10 @@
else
{
data.writeInt32(0);
- }
-
+ }
+
// for now just set the extra field to be null.
- data.writeInt32(-1);
+ data.writeInt32(-1);
} else {
aerr << "service: unknown option " << argv[optind] << endl;
wantsUsage = true;
@@ -272,7 +328,7 @@
break;
}
}
-
+
service->transact(code, data, &reply);
aout << "Result: " << reply << endl;
} else {
@@ -295,23 +351,29 @@
result = 10;
}
}
-
+
if (wantsUsage) {
aout << "Usage: service [-h|-?]\n"
" service list\n"
" service check SERVICE\n"
- " service call SERVICE CODE [i32 N | i64 N | f N | d N | s16 STR ] ...\n"
+ " service call SERVICE CODE [i32 N | i64 N | f N | d N | s16 STR | null"
+ " | fd f | nfd n | afd f ] ...\n"
"Options:\n"
" i32: Write the 32-bit integer N into the send parcel.\n"
" i64: Write the 64-bit integer N into the send parcel.\n"
" f: Write the 32-bit single-precision number N into the send parcel.\n"
" d: Write the 64-bit double-precision number N into the send parcel.\n"
- " s16: Write the UTF-16 string STR into the send parcel.\n";
+ " s16: Write the UTF-16 string STR into the send parcel.\n"
+ " null: Write a null binder into the send parcel.\n"
+ " fd: Write a file descriptor for the file f to the send parcel.\n"
+ " nfd: Write file descriptor n to the send parcel.\n"
+ " afd: Write an ashmem file descriptor for a region containing the data from"
+ " file f to the send parcel.\n";
// " intent: Write and Intent int the send parcel. ARGS can be\n"
// " action=STR data=STR type=STR launchFlags=INT component=STR categories=STR[,STR,...]\n";
return result;
}
-
+
return result;
}
diff --git a/cmds/servicemanager/Access.cpp b/cmds/servicemanager/Access.cpp
new file mode 100644
index 0000000..606477f
--- /dev/null
+++ b/cmds/servicemanager/Access.cpp
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Access.h"
+
+#include <android-base/logging.h>
+#include <binder/IPCThreadState.h>
+#include <log/log_safetynet.h>
+#include <selinux/android.h>
+#include <selinux/avc.h>
+
+namespace android {
+
+#ifdef VENDORSERVICEMANAGER
+constexpr bool kIsVendor = true;
+#else
+constexpr bool kIsVendor = false;
+#endif
+
+static std::string getPidcon(pid_t pid) {
+ android_errorWriteLog(0x534e4554, "121035042");
+
+ char* lookup = nullptr;
+ if (getpidcon(pid, &lookup) < 0) {
+ LOG(ERROR) << "SELinux: getpidcon(pid=" << pid << ") failed to retrieve pid context";
+ return "";
+ }
+ std::string result = lookup;
+ freecon(lookup);
+ return result;
+}
+
+static struct selabel_handle* getSehandle() {
+ static struct selabel_handle* gSehandle = nullptr;
+
+ if (gSehandle != nullptr && selinux_status_updated()) {
+ selabel_close(gSehandle);
+ gSehandle = nullptr;
+ }
+
+ if (gSehandle == nullptr) {
+ gSehandle = kIsVendor
+ ? selinux_android_vendor_service_context_handle()
+ : selinux_android_service_context_handle();
+ }
+
+ CHECK(gSehandle != nullptr);
+ return gSehandle;
+}
+
+struct AuditCallbackData {
+ const Access::CallingContext* context;
+ const std::string* tname;
+};
+
+static int auditCallback(void *data, security_class_t /*cls*/, char *buf, size_t len) {
+ const AuditCallbackData* ad = reinterpret_cast<AuditCallbackData*>(data);
+
+ if (!ad) {
+ LOG(ERROR) << "No service manager audit data";
+ return 0;
+ }
+
+ snprintf(buf, len, "pid=%d uid=%d name=%s", ad->context->debugPid, ad->context->uid,
+ ad->tname->c_str());
+ return 0;
+}
+
+Access::Access() {
+ union selinux_callback cb;
+
+ cb.func_audit = auditCallback;
+ selinux_set_callback(SELINUX_CB_AUDIT, cb);
+
+ cb.func_log = kIsVendor ? selinux_vendor_log_callback : selinux_log_callback;
+ selinux_set_callback(SELINUX_CB_LOG, cb);
+
+ CHECK(selinux_status_open(true /*fallback*/) >= 0);
+
+ CHECK(getcon(&mThisProcessContext) == 0);
+}
+
+Access::~Access() {
+ freecon(mThisProcessContext);
+}
+
+Access::CallingContext Access::getCallingContext() {
+ IPCThreadState* ipc = IPCThreadState::self();
+
+ const char* callingSid = ipc->getCallingSid();
+ pid_t callingPid = ipc->getCallingPid();
+
+ return CallingContext {
+ .debugPid = callingPid,
+ .uid = ipc->getCallingUid(),
+ .sid = callingSid ? std::string(callingSid) : getPidcon(callingPid),
+ };
+}
+
+bool Access::canFind(const CallingContext& ctx,const std::string& name) {
+ return actionAllowedFromLookup(ctx, name, "find");
+}
+
+bool Access::canAdd(const CallingContext& ctx, const std::string& name) {
+ return actionAllowedFromLookup(ctx, name, "add");
+}
+
+bool Access::canList(const CallingContext& ctx) {
+ return actionAllowed(ctx, mThisProcessContext, "list", "service_manager");
+}
+
+bool Access::actionAllowed(const CallingContext& sctx, const char* tctx, const char* perm,
+ const std::string& tname) {
+ const char* tclass = "service_manager";
+
+ AuditCallbackData data = {
+ .context = &sctx,
+ .tname = &tname,
+ };
+
+ return 0 == selinux_check_access(sctx.sid.c_str(), tctx, tclass, perm,
+ reinterpret_cast<void*>(&data));
+}
+
+bool Access::actionAllowedFromLookup(const CallingContext& sctx, const std::string& name, const char *perm) {
+ char *tctx = nullptr;
+ if (selabel_lookup(getSehandle(), &tctx, name.c_str(), 0) != 0) {
+ LOG(ERROR) << "SELinux: No match for " << name << " in service_contexts.\n";
+ return false;
+ }
+
+ bool allowed = actionAllowed(sctx, tctx, perm, name);
+ freecon(tctx);
+ return allowed;
+}
+
+} // android
diff --git a/cmds/servicemanager/Access.h b/cmds/servicemanager/Access.h
new file mode 100644
index 0000000..77c2cd4
--- /dev/null
+++ b/cmds/servicemanager/Access.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <string>
+#include <sys/types.h>
+
+namespace android {
+
+// singleton
+class Access {
+public:
+ Access();
+ virtual ~Access();
+
+ Access(const Access&) = delete;
+ Access& operator=(const Access&) = delete;
+ Access(Access&&) = delete;
+ Access& operator=(Access&&) = delete;
+
+ struct CallingContext {
+ pid_t debugPid;
+ uid_t uid;
+ std::string sid;
+ };
+
+ virtual CallingContext getCallingContext();
+
+ virtual bool canFind(const CallingContext& ctx, const std::string& name);
+ virtual bool canAdd(const CallingContext& ctx, const std::string& name);
+ virtual bool canList(const CallingContext& ctx);
+
+private:
+ bool actionAllowed(const CallingContext& sctx, const char* tctx, const char* perm,
+ const std::string& tname);
+ bool actionAllowedFromLookup(const CallingContext& sctx, const std::string& name,
+ const char *perm);
+
+ char* mThisProcessContext = nullptr;
+};
+
+};
diff --git a/cmds/servicemanager/Android.bp b/cmds/servicemanager/Android.bp
index 428561b..9cf3c5c 100644
--- a/cmds/servicemanager/Android.bp
+++ b/cmds/servicemanager/Android.bp
@@ -1,51 +1,51 @@
cc_defaults {
- name: "servicemanager_flags",
+ name: "servicemanager_defaults",
cflags: [
"-Wall",
"-Wextra",
"-Werror",
],
- product_variables: {
- binder32bit: {
- cflags: ["-DBINDER_IPC_32BIT=1"],
- },
- },
- shared_libs: ["liblog"],
-}
-
-cc_binary {
- name: "bctest",
- defaults: ["servicemanager_flags"],
srcs: [
- "bctest.c",
- "binder.c",
+ "Access.cpp",
+ "ServiceManager.cpp",
+ ],
+
+ shared_libs: [
+ "libbase",
+ "libbinder", // also contains servicemanager_interface
+ "libcutils",
+ "liblog",
+ "libutils",
+ "libselinux",
],
}
cc_binary {
name: "servicemanager",
- defaults: ["servicemanager_flags"],
- srcs: [
- "service_manager.c",
- "binder.c",
- ],
- shared_libs: ["libcutils", "libselinux"],
+ defaults: ["servicemanager_defaults"],
init_rc: ["servicemanager.rc"],
+ srcs: ["main.cpp"],
}
cc_binary {
name: "vndservicemanager",
- defaults: ["servicemanager_flags"],
+ defaults: ["servicemanager_defaults"],
+ init_rc: ["vndservicemanager.rc"],
vendor: true,
- srcs: [
- "service_manager.c",
- "binder.c",
- ],
cflags: [
"-DVENDORSERVICEMANAGER=1",
],
- shared_libs: ["libcutils", "libselinux"],
- init_rc: ["vndservicemanager.rc"],
+ srcs: ["main.cpp"],
+}
+
+cc_test {
+ name: "servicemanager_test",
+ test_suites: ["device-tests"],
+ defaults: ["servicemanager_defaults"],
+ srcs: [
+ "test_sm.cpp",
+ ],
+ static_libs: ["libgmock"],
}
diff --git a/cmds/servicemanager/ServiceManager.cpp b/cmds/servicemanager/ServiceManager.cpp
new file mode 100644
index 0000000..f35f360
--- /dev/null
+++ b/cmds/servicemanager/ServiceManager.cpp
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ServiceManager.h"
+
+#include <android-base/logging.h>
+#include <cutils/android_filesystem_config.h>
+#include <cutils/multiuser.h>
+
+using ::android::binder::Status;
+
+namespace android {
+
+ServiceManager::ServiceManager(std::unique_ptr<Access>&& access) : mAccess(std::move(access)) {}
+
+Status ServiceManager::getService(const std::string& name, sp<IBinder>* outBinder) {
+ // Servicemanager is single-threaded and cannot block. This method exists for legacy reasons.
+ return checkService(name, outBinder);
+}
+
+Status ServiceManager::checkService(const std::string& name, sp<IBinder>* outBinder) {
+ auto ctx = mAccess->getCallingContext();
+
+ auto it = mNameToService.find(name);
+ if (it == mNameToService.end()) {
+ *outBinder = nullptr;
+ return Status::ok();
+ }
+
+ const Service& service = it->second;
+
+ if (!service.allowIsolated) {
+ uid_t appid = multiuser_get_app_id(ctx.uid);
+ bool isIsolated = appid >= AID_ISOLATED_START && appid <= AID_ISOLATED_END;
+
+ if (isIsolated) {
+ *outBinder = nullptr;
+ return Status::ok();
+ }
+ }
+
+ if (!mAccess->canFind(ctx, name)) {
+ // returns ok and null for legacy reasons
+ *outBinder = nullptr;
+ return Status::ok();
+ }
+
+ *outBinder = service.binder;
+ return Status::ok();
+}
+
+bool isValidServiceName(const std::string& name) {
+ if (name.size() == 0) return false;
+ if (name.size() > 127) return false;
+
+ for (char c : name) {
+ if (c == '_' || c == '-' || c == '.') continue;
+ if (c >= 'a' && c <= 'z') continue;
+ if (c >= 'A' && c <= 'Z') continue;
+ if (c >= '0' && c <= '9') continue;
+ return false;
+ }
+
+ return true;
+}
+
+Status ServiceManager::addService(const std::string& name, const sp<IBinder>& binder, bool allowIsolated, int32_t dumpPriority) {
+ auto ctx = mAccess->getCallingContext();
+
+ // apps cannot add services
+ if (multiuser_get_app_id(ctx.uid) >= AID_APP) {
+ return Status::fromExceptionCode(Status::EX_SECURITY);
+ }
+
+ if (!mAccess->canAdd(ctx, name)) {
+ return Status::fromExceptionCode(Status::EX_SECURITY);
+ }
+
+ if (binder == nullptr) {
+ return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT);
+ }
+
+ if (!isValidServiceName(name)) {
+ LOG(ERROR) << "Invalid service name: " << name;
+ return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT);
+ }
+
+ // implicitly unlinked when the binder is removed
+ if (OK != binder->linkToDeath(this)) {
+ LOG(ERROR) << "Could not linkToDeath when adding " << name;
+ return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+ }
+
+ mNameToService[name] = Service {
+ .binder = binder,
+ .allowIsolated = allowIsolated,
+ .dumpPriority = dumpPriority,
+ };
+
+ return Status::ok();
+}
+
+Status ServiceManager::listServices(int32_t dumpPriority, std::vector<std::string>* outList) {
+ if (!mAccess->canList(mAccess->getCallingContext())) {
+ return Status::fromExceptionCode(Status::EX_SECURITY);
+ }
+
+ size_t toReserve = 0;
+ for (auto const& [name, service] : mNameToService) {
+ (void) name;
+
+ if (service.dumpPriority & dumpPriority) ++toReserve;
+ }
+
+ CHECK(outList->empty());
+
+ outList->reserve(toReserve);
+ for (auto const& [name, service] : mNameToService) {
+ (void) service;
+
+ if (service.dumpPriority & dumpPriority) {
+ outList->push_back(name);
+ }
+ }
+
+ return Status::ok();
+}
+
+void ServiceManager::binderDied(const wp<IBinder>& who) {
+ for (auto it = mNameToService.begin(); it != mNameToService.end();) {
+ if (who == it->second.binder) {
+ it = mNameToService.erase(it);
+ } else {
+ ++it;
+ }
+ }
+}
+
+} // namespace android
diff --git a/cmds/servicemanager/ServiceManager.h b/cmds/servicemanager/ServiceManager.h
new file mode 100644
index 0000000..78e4805
--- /dev/null
+++ b/cmds/servicemanager/ServiceManager.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <android/os/BnServiceManager.h>
+
+#include "Access.h"
+
+namespace android {
+
+class ServiceManager : public os::BnServiceManager, public IBinder::DeathRecipient {
+public:
+ ServiceManager(std::unique_ptr<Access>&& access);
+
+ binder::Status getService(const std::string& name, sp<IBinder>* outBinder) override;
+ binder::Status checkService(const std::string& name, sp<IBinder>* outBinder) override;
+ binder::Status addService(const std::string& name, const sp<IBinder>& binder, bool allowIsolated, int32_t dumpPriority) override;
+ binder::Status listServices(int32_t dumpPriority, std::vector<std::string>* outList) override;
+
+ void binderDied(const wp<IBinder>& who) override;
+
+private:
+ struct Service {
+ sp<IBinder> binder;
+ bool allowIsolated;
+ int32_t dumpPriority;
+ };
+
+ std::map<std::string, Service> mNameToService;
+ std::unique_ptr<Access> mAccess;
+};
+
+} // namespace android
diff --git a/cmds/servicemanager/TEST_MAPPING b/cmds/servicemanager/TEST_MAPPING
new file mode 100644
index 0000000..739740a
--- /dev/null
+++ b/cmds/servicemanager/TEST_MAPPING
@@ -0,0 +1,12 @@
+{
+ "presubmit": [
+ {
+ "name": "servicemanager_test"
+ }
+ ],
+ "imports": [
+ {
+ "path": "frameworks/native/libs/binder"
+ }
+ ]
+}
diff --git a/cmds/servicemanager/bctest.c b/cmds/servicemanager/bctest.c
deleted file mode 100644
index 354df67..0000000
--- a/cmds/servicemanager/bctest.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/* Copyright 2008 The Android Open Source Project
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-
-#include "binder.h"
-
-uint32_t svcmgr_lookup(struct binder_state *bs, uint32_t target, const char *name)
-{
- uint32_t handle;
- unsigned iodata[512/4];
- struct binder_io msg, reply;
-
- bio_init(&msg, iodata, sizeof(iodata), 4);
- bio_put_uint32(&msg, 0); // strict mode header
- bio_put_string16_x(&msg, SVC_MGR_NAME);
- bio_put_string16_x(&msg, name);
-
- if (binder_call(bs, &msg, &reply, target, SVC_MGR_CHECK_SERVICE))
- return 0;
-
- handle = bio_get_ref(&reply);
-
- if (handle)
- binder_acquire(bs, handle);
-
- binder_done(bs, &msg, &reply);
-
- return handle;
-}
-
-int svcmgr_publish(struct binder_state *bs, uint32_t target, const char *name, void *ptr)
-{
- int status;
- unsigned iodata[512/4];
- struct binder_io msg, reply;
-
- bio_init(&msg, iodata, sizeof(iodata), 4);
- bio_put_uint32(&msg, 0); // strict mode header
- bio_put_string16_x(&msg, SVC_MGR_NAME);
- bio_put_string16_x(&msg, name);
- bio_put_obj(&msg, ptr);
-
- if (binder_call(bs, &msg, &reply, target, SVC_MGR_ADD_SERVICE))
- return -1;
-
- status = bio_get_uint32(&reply);
-
- binder_done(bs, &msg, &reply);
-
- return status;
-}
-
-unsigned token;
-
-int main(int argc, char **argv)
-{
- struct binder_state *bs;
- uint32_t svcmgr = BINDER_SERVICE_MANAGER;
- uint32_t handle;
-
- bs = binder_open("/dev/binder", 128*1024);
- if (!bs) {
- fprintf(stderr, "failed to open binder driver\n");
- return -1;
- }
-
- argc--;
- argv++;
- while (argc > 0) {
- if (!strcmp(argv[0],"alt")) {
- handle = svcmgr_lookup(bs, svcmgr, "alt_svc_mgr");
- if (!handle) {
- fprintf(stderr,"cannot find alt_svc_mgr\n");
- return -1;
- }
- svcmgr = handle;
- fprintf(stderr,"svcmgr is via %x\n", handle);
- } else if (!strcmp(argv[0],"lookup")) {
- if (argc < 2) {
- fprintf(stderr,"argument required\n");
- return -1;
- }
- handle = svcmgr_lookup(bs, svcmgr, argv[1]);
- fprintf(stderr,"lookup(%s) = %x\n", argv[1], handle);
- argc--;
- argv++;
- } else if (!strcmp(argv[0],"publish")) {
- if (argc < 2) {
- fprintf(stderr,"argument required\n");
- return -1;
- }
- svcmgr_publish(bs, svcmgr, argv[1], &token);
- argc--;
- argv++;
- } else {
- fprintf(stderr,"unknown command %s\n", argv[0]);
- return -1;
- }
- argc--;
- argv++;
- }
- return 0;
-}
diff --git a/cmds/servicemanager/binder.c b/cmds/servicemanager/binder.c
deleted file mode 100644
index cf3b172..0000000
--- a/cmds/servicemanager/binder.c
+++ /dev/null
@@ -1,682 +0,0 @@
-/* Copyright 2008 The Android Open Source Project
- */
-
-#define LOG_TAG "Binder"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <inttypes.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <unistd.h>
-
-#include <log/log.h>
-
-#include "binder.h"
-
-#define MAX_BIO_SIZE (1 << 30)
-
-#define TRACE 0
-
-void bio_init_from_txn(struct binder_io *io, struct binder_transaction_data *txn);
-
-#if TRACE
-void hexdump(void *_data, size_t len)
-{
- unsigned char *data = _data;
- size_t count;
-
- for (count = 0; count < len; count++) {
- if ((count & 15) == 0)
- fprintf(stderr,"%04zu:", count);
- fprintf(stderr," %02x %c", *data,
- (*data < 32) || (*data > 126) ? '.' : *data);
- data++;
- if ((count & 15) == 15)
- fprintf(stderr,"\n");
- }
- if ((count & 15) != 0)
- fprintf(stderr,"\n");
-}
-
-void binder_dump_txn(struct binder_transaction_data *txn)
-{
- struct flat_binder_object *obj;
- binder_size_t *offs = (binder_size_t *)(uintptr_t)txn->data.ptr.offsets;
- size_t count = txn->offsets_size / sizeof(binder_size_t);
-
- fprintf(stderr," target %016"PRIx64" cookie %016"PRIx64" code %08x flags %08x\n",
- (uint64_t)txn->target.ptr, (uint64_t)txn->cookie, txn->code, txn->flags);
- fprintf(stderr," pid %8d uid %8d data %"PRIu64" offs %"PRIu64"\n",
- txn->sender_pid, txn->sender_euid, (uint64_t)txn->data_size, (uint64_t)txn->offsets_size);
- hexdump((void *)(uintptr_t)txn->data.ptr.buffer, txn->data_size);
- while (count--) {
- obj = (struct flat_binder_object *) (((char*)(uintptr_t)txn->data.ptr.buffer) + *offs++);
- fprintf(stderr," - type %08x flags %08x ptr %016"PRIx64" cookie %016"PRIx64"\n",
- obj->type, obj->flags, (uint64_t)obj->binder, (uint64_t)obj->cookie);
- }
-}
-
-#define NAME(n) case n: return #n
-const char *cmd_name(uint32_t cmd)
-{
- switch(cmd) {
- NAME(BR_NOOP);
- NAME(BR_TRANSACTION_COMPLETE);
- NAME(BR_INCREFS);
- NAME(BR_ACQUIRE);
- NAME(BR_RELEASE);
- NAME(BR_DECREFS);
- NAME(BR_TRANSACTION);
- NAME(BR_REPLY);
- NAME(BR_FAILED_REPLY);
- NAME(BR_DEAD_REPLY);
- NAME(BR_DEAD_BINDER);
- default: return "???";
- }
-}
-#else
-#define hexdump(a,b) do{} while (0)
-#define binder_dump_txn(txn) do{} while (0)
-#endif
-
-#define BIO_F_SHARED 0x01 /* needs to be buffer freed */
-#define BIO_F_OVERFLOW 0x02 /* ran out of space */
-#define BIO_F_IOERROR 0x04
-#define BIO_F_MALLOCED 0x08 /* needs to be free()'d */
-
-struct binder_state
-{
- int fd;
- void *mapped;
- size_t mapsize;
-};
-
-struct binder_state *binder_open(const char* driver, size_t mapsize)
-{
- struct binder_state *bs;
- struct binder_version vers;
-
- bs = malloc(sizeof(*bs));
- if (!bs) {
- errno = ENOMEM;
- return NULL;
- }
-
- bs->fd = open(driver, O_RDWR | O_CLOEXEC);
- if (bs->fd < 0) {
- fprintf(stderr,"binder: cannot open %s (%s)\n",
- driver, strerror(errno));
- goto fail_open;
- }
-
- if ((ioctl(bs->fd, BINDER_VERSION, &vers) == -1) ||
- (vers.protocol_version != BINDER_CURRENT_PROTOCOL_VERSION)) {
- fprintf(stderr,
- "binder: kernel driver version (%d) differs from user space version (%d)\n",
- vers.protocol_version, BINDER_CURRENT_PROTOCOL_VERSION);
- goto fail_open;
- }
-
- bs->mapsize = mapsize;
- bs->mapped = mmap(NULL, mapsize, PROT_READ, MAP_PRIVATE, bs->fd, 0);
- if (bs->mapped == MAP_FAILED) {
- fprintf(stderr,"binder: cannot map device (%s)\n",
- strerror(errno));
- goto fail_map;
- }
-
- return bs;
-
-fail_map:
- close(bs->fd);
-fail_open:
- free(bs);
- return NULL;
-}
-
-void binder_close(struct binder_state *bs)
-{
- munmap(bs->mapped, bs->mapsize);
- close(bs->fd);
- free(bs);
-}
-
-int binder_become_context_manager(struct binder_state *bs)
-{
- struct flat_binder_object obj;
- memset(&obj, 0, sizeof(obj));
- obj.flags = FLAT_BINDER_FLAG_TXN_SECURITY_CTX;
-
- int result = ioctl(bs->fd, BINDER_SET_CONTEXT_MGR_EXT, &obj);
-
- // fallback to original method
- if (result != 0) {
- android_errorWriteLog(0x534e4554, "121035042");
-
- result = ioctl(bs->fd, BINDER_SET_CONTEXT_MGR, 0);
- }
- return result;
-}
-
-int binder_write(struct binder_state *bs, void *data, size_t len)
-{
- struct binder_write_read bwr;
- int res;
-
- bwr.write_size = len;
- bwr.write_consumed = 0;
- bwr.write_buffer = (uintptr_t) data;
- bwr.read_size = 0;
- bwr.read_consumed = 0;
- bwr.read_buffer = 0;
- res = ioctl(bs->fd, BINDER_WRITE_READ, &bwr);
- if (res < 0) {
- fprintf(stderr,"binder_write: ioctl failed (%s)\n",
- strerror(errno));
- }
- return res;
-}
-
-void binder_free_buffer(struct binder_state *bs,
- binder_uintptr_t buffer_to_free)
-{
- struct {
- uint32_t cmd_free;
- binder_uintptr_t buffer;
- } __attribute__((packed)) data;
- data.cmd_free = BC_FREE_BUFFER;
- data.buffer = buffer_to_free;
- binder_write(bs, &data, sizeof(data));
-}
-
-void binder_send_reply(struct binder_state *bs,
- struct binder_io *reply,
- binder_uintptr_t buffer_to_free,
- int status)
-{
- struct {
- uint32_t cmd_free;
- binder_uintptr_t buffer;
- uint32_t cmd_reply;
- struct binder_transaction_data txn;
- } __attribute__((packed)) data;
-
- data.cmd_free = BC_FREE_BUFFER;
- data.buffer = buffer_to_free;
- data.cmd_reply = BC_REPLY;
- data.txn.target.ptr = 0;
- data.txn.cookie = 0;
- data.txn.code = 0;
- if (status) {
- data.txn.flags = TF_STATUS_CODE;
- data.txn.data_size = sizeof(int);
- data.txn.offsets_size = 0;
- data.txn.data.ptr.buffer = (uintptr_t)&status;
- data.txn.data.ptr.offsets = 0;
- } else {
- data.txn.flags = 0;
- data.txn.data_size = reply->data - reply->data0;
- data.txn.offsets_size = ((char*) reply->offs) - ((char*) reply->offs0);
- data.txn.data.ptr.buffer = (uintptr_t)reply->data0;
- data.txn.data.ptr.offsets = (uintptr_t)reply->offs0;
- }
- binder_write(bs, &data, sizeof(data));
-}
-
-int binder_parse(struct binder_state *bs, struct binder_io *bio,
- uintptr_t ptr, size_t size, binder_handler func)
-{
- int r = 1;
- uintptr_t end = ptr + (uintptr_t) size;
-
- while (ptr < end) {
- uint32_t cmd = *(uint32_t *) ptr;
- ptr += sizeof(uint32_t);
-#if TRACE
- fprintf(stderr,"%s:\n", cmd_name(cmd));
-#endif
- switch(cmd) {
- case BR_NOOP:
- break;
- case BR_TRANSACTION_COMPLETE:
- break;
- case BR_INCREFS:
- case BR_ACQUIRE:
- case BR_RELEASE:
- case BR_DECREFS:
-#if TRACE
- fprintf(stderr," %p, %p\n", (void *)ptr, (void *)(ptr + sizeof(void *)));
-#endif
- ptr += sizeof(struct binder_ptr_cookie);
- break;
- case BR_TRANSACTION_SEC_CTX:
- case BR_TRANSACTION: {
- struct binder_transaction_data_secctx txn;
- if (cmd == BR_TRANSACTION_SEC_CTX) {
- if ((end - ptr) < sizeof(struct binder_transaction_data_secctx)) {
- ALOGE("parse: txn too small (binder_transaction_data_secctx)!\n");
- return -1;
- }
- memcpy(&txn, (void*) ptr, sizeof(struct binder_transaction_data_secctx));
- ptr += sizeof(struct binder_transaction_data_secctx);
- } else /* BR_TRANSACTION */ {
- if ((end - ptr) < sizeof(struct binder_transaction_data)) {
- ALOGE("parse: txn too small (binder_transaction_data)!\n");
- return -1;
- }
- memcpy(&txn.transaction_data, (void*) ptr, sizeof(struct binder_transaction_data));
- ptr += sizeof(struct binder_transaction_data);
-
- txn.secctx = 0;
- }
-
- binder_dump_txn(&txn.transaction_data);
- if (func) {
- unsigned rdata[256/4];
- struct binder_io msg;
- struct binder_io reply;
- int res;
-
- bio_init(&reply, rdata, sizeof(rdata), 4);
- bio_init_from_txn(&msg, &txn.transaction_data);
- res = func(bs, &txn, &msg, &reply);
- if (txn.transaction_data.flags & TF_ONE_WAY) {
- binder_free_buffer(bs, txn.transaction_data.data.ptr.buffer);
- } else {
- binder_send_reply(bs, &reply, txn.transaction_data.data.ptr.buffer, res);
- }
- }
- break;
- }
- case BR_REPLY: {
- struct binder_transaction_data *txn = (struct binder_transaction_data *) ptr;
- if ((end - ptr) < sizeof(*txn)) {
- ALOGE("parse: reply too small!\n");
- return -1;
- }
- binder_dump_txn(txn);
- if (bio) {
- bio_init_from_txn(bio, txn);
- bio = 0;
- } else {
- /* todo FREE BUFFER */
- }
- ptr += sizeof(*txn);
- r = 0;
- break;
- }
- case BR_DEAD_BINDER: {
- struct binder_death *death = (struct binder_death *)(uintptr_t) *(binder_uintptr_t *)ptr;
- ptr += sizeof(binder_uintptr_t);
- death->func(bs, death->ptr);
- break;
- }
- case BR_FAILED_REPLY:
- r = -1;
- break;
- case BR_DEAD_REPLY:
- r = -1;
- break;
- default:
- ALOGE("parse: OOPS %d\n", cmd);
- return -1;
- }
- }
-
- return r;
-}
-
-void binder_acquire(struct binder_state *bs, uint32_t target)
-{
- uint32_t cmd[2];
- cmd[0] = BC_ACQUIRE;
- cmd[1] = target;
- binder_write(bs, cmd, sizeof(cmd));
-}
-
-void binder_release(struct binder_state *bs, uint32_t target)
-{
- uint32_t cmd[2];
- cmd[0] = BC_RELEASE;
- cmd[1] = target;
- binder_write(bs, cmd, sizeof(cmd));
-}
-
-void binder_link_to_death(struct binder_state *bs, uint32_t target, struct binder_death *death)
-{
- struct {
- uint32_t cmd;
- struct binder_handle_cookie payload;
- } __attribute__((packed)) data;
-
- data.cmd = BC_REQUEST_DEATH_NOTIFICATION;
- data.payload.handle = target;
- data.payload.cookie = (uintptr_t) death;
- binder_write(bs, &data, sizeof(data));
-}
-
-int binder_call(struct binder_state *bs,
- struct binder_io *msg, struct binder_io *reply,
- uint32_t target, uint32_t code)
-{
- int res;
- struct binder_write_read bwr;
- struct {
- uint32_t cmd;
- struct binder_transaction_data txn;
- } __attribute__((packed)) writebuf;
- unsigned readbuf[32];
-
- if (msg->flags & BIO_F_OVERFLOW) {
- fprintf(stderr,"binder: txn buffer overflow\n");
- goto fail;
- }
-
- writebuf.cmd = BC_TRANSACTION;
- writebuf.txn.target.handle = target;
- writebuf.txn.code = code;
- writebuf.txn.flags = 0;
- writebuf.txn.data_size = msg->data - msg->data0;
- writebuf.txn.offsets_size = ((char*) msg->offs) - ((char*) msg->offs0);
- writebuf.txn.data.ptr.buffer = (uintptr_t)msg->data0;
- writebuf.txn.data.ptr.offsets = (uintptr_t)msg->offs0;
-
- bwr.write_size = sizeof(writebuf);
- bwr.write_consumed = 0;
- bwr.write_buffer = (uintptr_t) &writebuf;
-
- hexdump(msg->data0, msg->data - msg->data0);
- for (;;) {
- bwr.read_size = sizeof(readbuf);
- bwr.read_consumed = 0;
- bwr.read_buffer = (uintptr_t) readbuf;
-
- res = ioctl(bs->fd, BINDER_WRITE_READ, &bwr);
-
- if (res < 0) {
- fprintf(stderr,"binder: ioctl failed (%s)\n", strerror(errno));
- goto fail;
- }
-
- res = binder_parse(bs, reply, (uintptr_t) readbuf, bwr.read_consumed, 0);
- if (res == 0) return 0;
- if (res < 0) goto fail;
- }
-
-fail:
- memset(reply, 0, sizeof(*reply));
- reply->flags |= BIO_F_IOERROR;
- return -1;
-}
-
-void binder_loop(struct binder_state *bs, binder_handler func)
-{
- int res;
- struct binder_write_read bwr;
- uint32_t readbuf[32];
-
- bwr.write_size = 0;
- bwr.write_consumed = 0;
- bwr.write_buffer = 0;
-
- readbuf[0] = BC_ENTER_LOOPER;
- binder_write(bs, readbuf, sizeof(uint32_t));
-
- for (;;) {
- bwr.read_size = sizeof(readbuf);
- bwr.read_consumed = 0;
- bwr.read_buffer = (uintptr_t) readbuf;
-
- res = ioctl(bs->fd, BINDER_WRITE_READ, &bwr);
-
- if (res < 0) {
- ALOGE("binder_loop: ioctl failed (%s)\n", strerror(errno));
- break;
- }
-
- res = binder_parse(bs, 0, (uintptr_t) readbuf, bwr.read_consumed, func);
- if (res == 0) {
- ALOGE("binder_loop: unexpected reply?!\n");
- break;
- }
- if (res < 0) {
- ALOGE("binder_loop: io error %d %s\n", res, strerror(errno));
- break;
- }
- }
-}
-
-void bio_init_from_txn(struct binder_io *bio, struct binder_transaction_data *txn)
-{
- bio->data = bio->data0 = (char *)(intptr_t)txn->data.ptr.buffer;
- bio->offs = bio->offs0 = (binder_size_t *)(intptr_t)txn->data.ptr.offsets;
- bio->data_avail = txn->data_size;
- bio->offs_avail = txn->offsets_size / sizeof(size_t);
- bio->flags = BIO_F_SHARED;
-}
-
-void bio_init(struct binder_io *bio, void *data,
- size_t maxdata, size_t maxoffs)
-{
- size_t n = maxoffs * sizeof(size_t);
-
- if (n > maxdata) {
- bio->flags = BIO_F_OVERFLOW;
- bio->data_avail = 0;
- bio->offs_avail = 0;
- return;
- }
-
- bio->data = bio->data0 = (char *) data + n;
- bio->offs = bio->offs0 = data;
- bio->data_avail = maxdata - n;
- bio->offs_avail = maxoffs;
- bio->flags = 0;
-}
-
-static void *bio_alloc(struct binder_io *bio, size_t size)
-{
- size = (size + 3) & (~3);
- if (size > bio->data_avail) {
- bio->flags |= BIO_F_OVERFLOW;
- return NULL;
- } else {
- void *ptr = bio->data;
- bio->data += size;
- bio->data_avail -= size;
- return ptr;
- }
-}
-
-void binder_done(struct binder_state *bs,
- __unused struct binder_io *msg,
- struct binder_io *reply)
-{
- struct {
- uint32_t cmd;
- uintptr_t buffer;
- } __attribute__((packed)) data;
-
- if (reply->flags & BIO_F_SHARED) {
- data.cmd = BC_FREE_BUFFER;
- data.buffer = (uintptr_t) reply->data0;
- binder_write(bs, &data, sizeof(data));
- reply->flags = 0;
- }
-}
-
-static struct flat_binder_object *bio_alloc_obj(struct binder_io *bio)
-{
- struct flat_binder_object *obj;
-
- obj = bio_alloc(bio, sizeof(*obj));
-
- if (obj && bio->offs_avail) {
- bio->offs_avail--;
- *bio->offs++ = ((char*) obj) - ((char*) bio->data0);
- return obj;
- }
-
- bio->flags |= BIO_F_OVERFLOW;
- return NULL;
-}
-
-void bio_put_uint32(struct binder_io *bio, uint32_t n)
-{
- uint32_t *ptr = bio_alloc(bio, sizeof(n));
- if (ptr)
- *ptr = n;
-}
-
-void bio_put_obj(struct binder_io *bio, void *ptr)
-{
- struct flat_binder_object *obj;
-
- obj = bio_alloc_obj(bio);
- if (!obj)
- return;
-
- obj->flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS;
- obj->hdr.type = BINDER_TYPE_BINDER;
- obj->binder = (uintptr_t)ptr;
- obj->cookie = 0;
-}
-
-void bio_put_ref(struct binder_io *bio, uint32_t handle)
-{
- struct flat_binder_object *obj;
-
- if (handle)
- obj = bio_alloc_obj(bio);
- else
- obj = bio_alloc(bio, sizeof(*obj));
-
- if (!obj)
- return;
-
- obj->flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS;
- obj->hdr.type = BINDER_TYPE_HANDLE;
- obj->handle = handle;
- obj->cookie = 0;
-}
-
-void bio_put_string16(struct binder_io *bio, const uint16_t *str)
-{
- size_t len;
- uint16_t *ptr;
-
- if (!str) {
- bio_put_uint32(bio, 0xffffffff);
- return;
- }
-
- len = 0;
- while (str[len]) len++;
-
- if (len >= (MAX_BIO_SIZE / sizeof(uint16_t))) {
- bio_put_uint32(bio, 0xffffffff);
- return;
- }
-
- /* Note: The payload will carry 32bit size instead of size_t */
- bio_put_uint32(bio, (uint32_t) len);
- len = (len + 1) * sizeof(uint16_t);
- ptr = bio_alloc(bio, len);
- if (ptr)
- memcpy(ptr, str, len);
-}
-
-void bio_put_string16_x(struct binder_io *bio, const char *_str)
-{
- unsigned char *str = (unsigned char*) _str;
- size_t len;
- uint16_t *ptr;
-
- if (!str) {
- bio_put_uint32(bio, 0xffffffff);
- return;
- }
-
- len = strlen(_str);
-
- if (len >= (MAX_BIO_SIZE / sizeof(uint16_t))) {
- bio_put_uint32(bio, 0xffffffff);
- return;
- }
-
- /* Note: The payload will carry 32bit size instead of size_t */
- bio_put_uint32(bio, len);
- ptr = bio_alloc(bio, (len + 1) * sizeof(uint16_t));
- if (!ptr)
- return;
-
- while (*str)
- *ptr++ = *str++;
- *ptr++ = 0;
-}
-
-static void *bio_get(struct binder_io *bio, size_t size)
-{
- size = (size + 3) & (~3);
-
- if (bio->data_avail < size){
- bio->data_avail = 0;
- bio->flags |= BIO_F_OVERFLOW;
- return NULL;
- } else {
- void *ptr = bio->data;
- bio->data += size;
- bio->data_avail -= size;
- return ptr;
- }
-}
-
-uint32_t bio_get_uint32(struct binder_io *bio)
-{
- uint32_t *ptr = bio_get(bio, sizeof(*ptr));
- return ptr ? *ptr : 0;
-}
-
-uint16_t *bio_get_string16(struct binder_io *bio, size_t *sz)
-{
- size_t len;
-
- /* Note: The payload will carry 32bit size instead of size_t */
- len = (size_t) bio_get_uint32(bio);
- if (sz)
- *sz = len;
- return bio_get(bio, (len + 1) * sizeof(uint16_t));
-}
-
-static struct flat_binder_object *_bio_get_obj(struct binder_io *bio)
-{
- size_t n;
- size_t off = bio->data - bio->data0;
-
- /* TODO: be smarter about this? */
- for (n = 0; n < bio->offs_avail; n++) {
- if (bio->offs[n] == off)
- return bio_get(bio, sizeof(struct flat_binder_object));
- }
-
- bio->data_avail = 0;
- bio->flags |= BIO_F_OVERFLOW;
- return NULL;
-}
-
-uint32_t bio_get_ref(struct binder_io *bio)
-{
- struct flat_binder_object *obj;
-
- obj = _bio_get_obj(bio);
- if (!obj)
- return 0;
-
- if (obj->hdr.type == BINDER_TYPE_HANDLE)
- return obj->handle;
-
- return 0;
-}
diff --git a/cmds/servicemanager/binder.h b/cmds/servicemanager/binder.h
deleted file mode 100644
index a9ccc74..0000000
--- a/cmds/servicemanager/binder.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/* Copyright 2008 The Android Open Source Project
- */
-
-#ifndef _BINDER_H_
-#define _BINDER_H_
-
-#include <linux/android/binder.h>
-#include <sys/ioctl.h>
-
-struct binder_state;
-
-struct binder_io
-{
- char *data; /* pointer to read/write from */
- binder_size_t *offs; /* array of offsets */
- size_t data_avail; /* bytes available in data buffer */
- size_t offs_avail; /* entries available in offsets array */
-
- char *data0; /* start of data buffer */
- binder_size_t *offs0; /* start of offsets buffer */
- uint32_t flags;
- uint32_t unused;
-};
-
-struct binder_death {
- void (*func)(struct binder_state *bs, void *ptr);
- void *ptr;
-};
-
-/* the one magic handle */
-#define BINDER_SERVICE_MANAGER 0U
-
-#define SVC_MGR_NAME "android.os.IServiceManager"
-
-enum {
- /* Must match definitions in IBinder.h and IServiceManager.h */
- PING_TRANSACTION = B_PACK_CHARS('_','P','N','G'),
- SVC_MGR_GET_SERVICE = 1,
- SVC_MGR_CHECK_SERVICE,
- SVC_MGR_ADD_SERVICE,
- SVC_MGR_LIST_SERVICES,
-};
-
-typedef int (*binder_handler)(struct binder_state *bs,
- struct binder_transaction_data_secctx *txn,
- struct binder_io *msg,
- struct binder_io *reply);
-
-struct binder_state *binder_open(const char* driver, size_t mapsize);
-void binder_close(struct binder_state *bs);
-
-/* initiate a blocking binder call
- * - returns zero on success
- */
-int binder_call(struct binder_state *bs,
- struct binder_io *msg, struct binder_io *reply,
- uint32_t target, uint32_t code);
-
-/* release any state associate with the binder_io
- * - call once any necessary data has been extracted from the
- * binder_io after binder_call() returns
- * - can safely be called even if binder_call() fails
- */
-void binder_done(struct binder_state *bs,
- struct binder_io *msg, struct binder_io *reply);
-
-/* manipulate strong references */
-void binder_acquire(struct binder_state *bs, uint32_t target);
-void binder_release(struct binder_state *bs, uint32_t target);
-
-void binder_link_to_death(struct binder_state *bs, uint32_t target, struct binder_death *death);
-
-void binder_loop(struct binder_state *bs, binder_handler func);
-
-int binder_become_context_manager(struct binder_state *bs);
-
-/* allocate a binder_io, providing a stack-allocated working
- * buffer, size of the working buffer, and how many object
- * offset entries to reserve from the buffer
- */
-void bio_init(struct binder_io *bio, void *data,
- size_t maxdata, size_t maxobjects);
-
-void bio_put_obj(struct binder_io *bio, void *ptr);
-void bio_put_ref(struct binder_io *bio, uint32_t handle);
-void bio_put_uint32(struct binder_io *bio, uint32_t n);
-void bio_put_string16(struct binder_io *bio, const uint16_t *str);
-void bio_put_string16_x(struct binder_io *bio, const char *_str);
-
-uint32_t bio_get_uint32(struct binder_io *bio);
-uint16_t *bio_get_string16(struct binder_io *bio, size_t *sz);
-uint32_t bio_get_ref(struct binder_io *bio);
-
-#endif
diff --git a/cmds/servicemanager/main.cpp b/cmds/servicemanager/main.cpp
new file mode 100644
index 0000000..9f6193b
--- /dev/null
+++ b/cmds/servicemanager/main.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android-base/logging.h>
+#include <binder/IPCThreadState.h>
+#include <binder/ProcessState.h>
+#include <binder/Status.h>
+#include <utils/StrongPointer.h>
+
+#include "Access.h"
+#include "ServiceManager.h"
+
+using ::android::sp;
+using ::android::ProcessState;
+using ::android::IPCThreadState;
+using ::android::ServiceManager;
+using ::android::Access;
+
+int main(int argc, char** argv) {
+ if (argc > 2) {
+ LOG(FATAL) << "usage: " << argv[0] << " [binder driver]";
+ }
+
+ const char* driver = argc == 2 ? argv[1] : "/dev/binder";
+
+ android::base::InitLogging(nullptr, &android::base::KernelLogger);
+
+ sp<ProcessState> ps = ProcessState::initWithDriver(driver);
+ ps->setThreadPoolMaxThreadCount(0);
+ ps->setCallRestriction(ProcessState::CallRestriction::FATAL_IF_NOT_ONEWAY);
+
+ sp<ServiceManager> manager = new ServiceManager(std::make_unique<Access>());
+ IPCThreadState::self()->setTheContextObject(manager);
+ ps->becomeContextManager(nullptr, nullptr);
+
+ IPCThreadState::self()->joinThreadPool();
+
+ // should not be reached
+ return EXIT_FAILURE;
+}
diff --git a/cmds/servicemanager/service_manager.c b/cmds/servicemanager/service_manager.c
deleted file mode 100644
index ec3fac5..0000000
--- a/cmds/servicemanager/service_manager.c
+++ /dev/null
@@ -1,442 +0,0 @@
-/* Copyright 2008 The Android Open Source Project
- */
-
-#include <errno.h>
-#include <fcntl.h>
-#include <inttypes.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <cutils/android_filesystem_config.h>
-#include <cutils/multiuser.h>
-
-#include <selinux/android.h>
-#include <selinux/avc.h>
-
-#include "binder.h"
-
-#ifdef VENDORSERVICEMANAGER
-#define LOG_TAG "VendorServiceManager"
-#else
-#define LOG_TAG "ServiceManager"
-#endif
-#include <log/log.h>
-
-struct audit_data {
- pid_t pid;
- uid_t uid;
- const char *name;
-};
-
-const char *str8(const uint16_t *x, size_t x_len)
-{
- static char buf[128];
- size_t max = 127;
- char *p = buf;
-
- if (x_len < max) {
- max = x_len;
- }
-
- if (x) {
- while ((max > 0) && (*x != '\0')) {
- *p++ = *x++;
- max--;
- }
- }
- *p++ = 0;
- return buf;
-}
-
-int str16eq(const uint16_t *a, const char *b)
-{
- while (*a && *b)
- if (*a++ != *b++) return 0;
- if (*a || *b)
- return 0;
- return 1;
-}
-
-static char *service_manager_context;
-static struct selabel_handle* sehandle;
-
-static bool check_mac_perms(pid_t spid, const char* sid, uid_t uid, const char *tctx, const char *perm, const char *name)
-{
- char *lookup_sid = NULL;
- const char *class = "service_manager";
- bool allowed;
- struct audit_data ad;
-
- if (sid == NULL && getpidcon(spid, &lookup_sid) < 0) {
- ALOGE("SELinux: getpidcon(pid=%d) failed to retrieve pid context.\n", spid);
- return false;
- }
-
- ad.pid = spid;
- ad.uid = uid;
- ad.name = name;
-
- if (sid == NULL) {
- android_errorWriteLog(0x534e4554, "121035042");
- }
-
- int result = selinux_check_access(sid ? sid : lookup_sid, tctx, class, perm, (void *) &ad);
- allowed = (result == 0);
-
- freecon(lookup_sid);
- return allowed;
-}
-
-static bool check_mac_perms_from_getcon(pid_t spid, const char* sid, uid_t uid, const char *perm)
-{
- return check_mac_perms(spid, sid, uid, service_manager_context, perm, NULL);
-}
-
-static bool check_mac_perms_from_lookup(pid_t spid, const char* sid, uid_t uid, const char *perm, const char *name)
-{
- bool allowed;
- char *tctx = NULL;
-
- if (!sehandle) {
- ALOGE("SELinux: Failed to find sehandle. Aborting service_manager.\n");
- abort();
- }
-
- if (selabel_lookup(sehandle, &tctx, name, 0) != 0) {
- ALOGE("SELinux: No match for %s in service_contexts.\n", name);
- return false;
- }
-
- allowed = check_mac_perms(spid, sid, uid, tctx, perm, name);
- freecon(tctx);
- return allowed;
-}
-
-static int svc_can_register(const uint16_t *name, size_t name_len, pid_t spid, const char* sid, uid_t uid)
-{
- const char *perm = "add";
-
- if (multiuser_get_app_id(uid) >= AID_APP) {
- return 0; /* Don't allow apps to register services */
- }
-
- return check_mac_perms_from_lookup(spid, sid, uid, perm, str8(name, name_len)) ? 1 : 0;
-}
-
-static int svc_can_list(pid_t spid, const char* sid, uid_t uid)
-{
- const char *perm = "list";
- return check_mac_perms_from_getcon(spid, sid, uid, perm) ? 1 : 0;
-}
-
-static int svc_can_find(const uint16_t *name, size_t name_len, pid_t spid, const char* sid, uid_t uid)
-{
- const char *perm = "find";
- return check_mac_perms_from_lookup(spid, sid, uid, perm, str8(name, name_len)) ? 1 : 0;
-}
-
-struct svcinfo
-{
- struct svcinfo *next;
- uint32_t handle;
- struct binder_death death;
- int allow_isolated;
- uint32_t dumpsys_priority;
- size_t len;
- uint16_t name[0];
-};
-
-struct svcinfo *svclist = NULL;
-
-struct svcinfo *find_svc(const uint16_t *s16, size_t len)
-{
- struct svcinfo *si;
-
- for (si = svclist; si; si = si->next) {
- if ((len == si->len) &&
- !memcmp(s16, si->name, len * sizeof(uint16_t))) {
- return si;
- }
- }
- return NULL;
-}
-
-void svcinfo_death(struct binder_state *bs, void *ptr)
-{
- struct svcinfo *si = (struct svcinfo* ) ptr;
-
- ALOGI("service '%s' died\n", str8(si->name, si->len));
- if (si->handle) {
- binder_release(bs, si->handle);
- si->handle = 0;
- }
-}
-
-uint16_t svcmgr_id[] = {
- 'a','n','d','r','o','i','d','.','o','s','.',
- 'I','S','e','r','v','i','c','e','M','a','n','a','g','e','r'
-};
-
-
-uint32_t do_find_service(const uint16_t *s, size_t len, uid_t uid, pid_t spid, const char* sid)
-{
- struct svcinfo *si = find_svc(s, len);
-
- if (!si || !si->handle) {
- return 0;
- }
-
- if (!si->allow_isolated) {
- // If this service doesn't allow access from isolated processes,
- // then check the uid to see if it is isolated.
- uid_t appid = uid % AID_USER;
- if (appid >= AID_ISOLATED_START && appid <= AID_ISOLATED_END) {
- return 0;
- }
- }
-
- if (!svc_can_find(s, len, spid, sid, uid)) {
- return 0;
- }
-
- return si->handle;
-}
-
-int do_add_service(struct binder_state *bs, const uint16_t *s, size_t len, uint32_t handle,
- uid_t uid, int allow_isolated, uint32_t dumpsys_priority, pid_t spid, const char* sid) {
- struct svcinfo *si;
-
- //ALOGI("add_service('%s',%x,%s) uid=%d\n", str8(s, len), handle,
- // allow_isolated ? "allow_isolated" : "!allow_isolated", uid);
-
- if (!handle || (len == 0) || (len > 127))
- return -1;
-
- if (!svc_can_register(s, len, spid, sid, uid)) {
- ALOGE("add_service('%s',%x) uid=%d - PERMISSION DENIED\n",
- str8(s, len), handle, uid);
- return -1;
- }
-
- si = find_svc(s, len);
- if (si) {
- if (si->handle) {
- ALOGE("add_service('%s',%x) uid=%d - ALREADY REGISTERED, OVERRIDE\n",
- str8(s, len), handle, uid);
- svcinfo_death(bs, si);
- }
- si->handle = handle;
- } else {
- si = malloc(sizeof(*si) + (len + 1) * sizeof(uint16_t));
- if (!si) {
- ALOGE("add_service('%s',%x) uid=%d - OUT OF MEMORY\n",
- str8(s, len), handle, uid);
- return -1;
- }
- si->handle = handle;
- si->len = len;
- memcpy(si->name, s, (len + 1) * sizeof(uint16_t));
- si->name[len] = '\0';
- si->death.func = (void*) svcinfo_death;
- si->death.ptr = si;
- si->allow_isolated = allow_isolated;
- si->dumpsys_priority = dumpsys_priority;
- si->next = svclist;
- svclist = si;
- }
-
- binder_acquire(bs, handle);
- binder_link_to_death(bs, handle, &si->death);
- return 0;
-}
-
-int svcmgr_handler(struct binder_state *bs,
- struct binder_transaction_data_secctx *txn_secctx,
- struct binder_io *msg,
- struct binder_io *reply)
-{
- struct svcinfo *si;
- uint16_t *s;
- size_t len;
- uint32_t handle;
- uint32_t strict_policy;
- int allow_isolated;
- uint32_t dumpsys_priority;
-
- struct binder_transaction_data *txn = &txn_secctx->transaction_data;
-
- //ALOGI("target=%p code=%d pid=%d uid=%d\n",
- // (void*) txn->target.ptr, txn->code, txn->sender_pid, txn->sender_euid);
-
- if (txn->target.ptr != BINDER_SERVICE_MANAGER)
- return -1;
-
- if (txn->code == PING_TRANSACTION)
- return 0;
-
- // Equivalent to Parcel::enforceInterface(), reading the RPC
- // header with the strict mode policy mask and the interface name.
- // Note that we ignore the strict_policy and don't propagate it
- // further (since we do no outbound RPCs anyway).
- strict_policy = bio_get_uint32(msg);
- bio_get_uint32(msg); // Ignore worksource header.
- s = bio_get_string16(msg, &len);
- if (s == NULL) {
- return -1;
- }
-
- if ((len != (sizeof(svcmgr_id) / 2)) ||
- memcmp(svcmgr_id, s, sizeof(svcmgr_id))) {
- fprintf(stderr,"invalid id %s\n", str8(s, len));
- return -1;
- }
-
- if (sehandle && selinux_status_updated() > 0) {
-#ifdef VENDORSERVICEMANAGER
- struct selabel_handle *tmp_sehandle = selinux_android_vendor_service_context_handle();
-#else
- struct selabel_handle *tmp_sehandle = selinux_android_service_context_handle();
-#endif
- if (tmp_sehandle) {
- selabel_close(sehandle);
- sehandle = tmp_sehandle;
- }
- }
-
- switch(txn->code) {
- case SVC_MGR_GET_SERVICE:
- case SVC_MGR_CHECK_SERVICE:
- s = bio_get_string16(msg, &len);
- if (s == NULL) {
- return -1;
- }
- handle = do_find_service(s, len, txn->sender_euid, txn->sender_pid,
- (const char*) txn_secctx->secctx);
- if (!handle)
- break;
- bio_put_ref(reply, handle);
- return 0;
-
- case SVC_MGR_ADD_SERVICE:
- s = bio_get_string16(msg, &len);
- if (s == NULL) {
- return -1;
- }
- handle = bio_get_ref(msg);
- allow_isolated = bio_get_uint32(msg) ? 1 : 0;
- dumpsys_priority = bio_get_uint32(msg);
- if (do_add_service(bs, s, len, handle, txn->sender_euid, allow_isolated, dumpsys_priority,
- txn->sender_pid, (const char*) txn_secctx->secctx))
- return -1;
- break;
-
- case SVC_MGR_LIST_SERVICES: {
- uint32_t n = bio_get_uint32(msg);
- uint32_t req_dumpsys_priority = bio_get_uint32(msg);
-
- if (!svc_can_list(txn->sender_pid, (const char*) txn_secctx->secctx, txn->sender_euid)) {
- ALOGE("list_service() uid=%d - PERMISSION DENIED\n",
- txn->sender_euid);
- return -1;
- }
- si = svclist;
- // walk through the list of services n times skipping services that
- // do not support the requested priority
- while (si) {
- if (si->dumpsys_priority & req_dumpsys_priority) {
- if (n == 0) break;
- n--;
- }
- si = si->next;
- }
- if (si) {
- bio_put_string16(reply, si->name);
- return 0;
- }
- return -1;
- }
- default:
- ALOGE("unknown code %d\n", txn->code);
- return -1;
- }
-
- bio_put_uint32(reply, 0);
- return 0;
-}
-
-
-static int audit_callback(void *data, __unused security_class_t cls, char *buf, size_t len)
-{
- struct audit_data *ad = (struct audit_data *)data;
-
- if (!ad || !ad->name) {
- ALOGE("No service manager audit data");
- return 0;
- }
-
- snprintf(buf, len, "service=%s pid=%d uid=%d", ad->name, ad->pid, ad->uid);
- return 0;
-}
-
-int main(int argc, char** argv)
-{
- struct binder_state *bs;
- union selinux_callback cb;
- char *driver;
-
- if (argc > 1) {
- driver = argv[1];
- } else {
- driver = "/dev/binder";
- }
-
- bs = binder_open(driver, 128*1024);
- if (!bs) {
-#ifdef VENDORSERVICEMANAGER
- ALOGW("failed to open binder driver %s\n", driver);
- while (true) {
- sleep(UINT_MAX);
- }
-#else
- ALOGE("failed to open binder driver %s\n", driver);
-#endif
- return -1;
- }
-
- if (binder_become_context_manager(bs)) {
- ALOGE("cannot become context manager (%s)\n", strerror(errno));
- return -1;
- }
-
- cb.func_audit = audit_callback;
- selinux_set_callback(SELINUX_CB_AUDIT, cb);
-#ifdef VENDORSERVICEMANAGER
- cb.func_log = selinux_vendor_log_callback;
-#else
- cb.func_log = selinux_log_callback;
-#endif
- selinux_set_callback(SELINUX_CB_LOG, cb);
-
-#ifdef VENDORSERVICEMANAGER
- sehandle = selinux_android_vendor_service_context_handle();
-#else
- sehandle = selinux_android_service_context_handle();
-#endif
- selinux_status_open(true);
-
- if (sehandle == NULL) {
- ALOGE("SELinux: Failed to acquire sehandle. Aborting.\n");
- abort();
- }
-
- if (getcon(&service_manager_context) != 0) {
- ALOGE("SELinux: Failed to acquire service_manager context. Aborting.\n");
- abort();
- }
-
-
- binder_loop(bs, svcmgr_handler);
-
- return 0;
-}
diff --git a/cmds/servicemanager/test_sm.cpp b/cmds/servicemanager/test_sm.cpp
new file mode 100644
index 0000000..91485e4
--- /dev/null
+++ b/cmds/servicemanager/test_sm.cpp
@@ -0,0 +1,267 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <binder/ProcessState.h>
+#include <cutils/android_filesystem_config.h>
+#include <gtest/gtest.h>
+#include <gmock/gmock.h>
+
+#include "Access.h"
+#include "ServiceManager.h"
+
+using android::sp;
+using android::Access;
+using android::IBinder;
+using android::ServiceManager;
+using android::os::IServiceManager;
+using testing::_;
+using testing::ElementsAre;
+using testing::NiceMock;
+using testing::Return;
+
+static sp<IBinder> getBinder() {
+ // It doesn't matter what remote binder it is, we just need one so that linkToDeath will work.
+ // The context manager (servicemanager) is easy to get and is in another process.
+ return android::ProcessState::self()->getContextObject(nullptr);
+}
+
+class MockAccess : public Access {
+public:
+ MOCK_METHOD0(getCallingContext, CallingContext());
+ MOCK_METHOD2(canAdd, bool(const CallingContext&, const std::string& name));
+ MOCK_METHOD2(canFind, bool(const CallingContext&, const std::string& name));
+ MOCK_METHOD1(canList, bool(const CallingContext&));
+};
+
+static sp<ServiceManager> getPermissiveServiceManager() {
+ std::unique_ptr<MockAccess> access = std::make_unique<NiceMock<MockAccess>>();
+
+ ON_CALL(*access, getCallingContext()).WillByDefault(Return(Access::CallingContext{}));
+ ON_CALL(*access, canAdd(_, _)).WillByDefault(Return(true));
+ ON_CALL(*access, canFind(_, _)).WillByDefault(Return(true));
+ ON_CALL(*access, canList(_)).WillByDefault(Return(true));
+
+ sp<ServiceManager> sm = new ServiceManager(std::move(access));
+ return sm;
+}
+
+TEST(AddService, HappyHappy) {
+ auto sm = getPermissiveServiceManager();
+ EXPECT_TRUE(sm->addService("foo", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+}
+
+TEST(AddService, EmptyNameDisallowed) {
+ auto sm = getPermissiveServiceManager();
+ EXPECT_FALSE(sm->addService("", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+}
+
+TEST(AddService, JustShortEnoughServiceNameHappy) {
+ auto sm = getPermissiveServiceManager();
+ EXPECT_TRUE(sm->addService(std::string(127, 'a'), getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+}
+
+TEST(AddService, TooLongNameDisallowed) {
+ auto sm = getPermissiveServiceManager();
+ EXPECT_FALSE(sm->addService(std::string(128, 'a'), getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+}
+
+TEST(AddService, WeirdCharactersDisallowed) {
+ auto sm = getPermissiveServiceManager();
+ EXPECT_FALSE(sm->addService("happy$foo$foo", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+}
+
+TEST(AddService, AddNullServiceDisallowed) {
+ auto sm = getPermissiveServiceManager();
+ EXPECT_FALSE(sm->addService("foo", nullptr, false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+}
+
+TEST(AddService, AddDisallowedFromApp) {
+ for (uid_t uid : { AID_APP_START, AID_APP_START + 1, AID_APP_END }) {
+ std::unique_ptr<MockAccess> access = std::make_unique<NiceMock<MockAccess>>();
+ EXPECT_CALL(*access, getCallingContext()).WillOnce(Return(Access::CallingContext{
+ .debugPid = 1337,
+ .uid = uid,
+ }));
+ EXPECT_CALL(*access, canAdd(_, _)).Times(0);
+ sp<ServiceManager> sm = new ServiceManager(std::move(access));
+
+ EXPECT_FALSE(sm->addService("foo", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+ }
+
+}
+
+TEST(AddService, HappyOverExistingService) {
+ auto sm = getPermissiveServiceManager();
+ EXPECT_TRUE(sm->addService("foo", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+ EXPECT_TRUE(sm->addService("foo", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+}
+
+TEST(AddService, NoPermissions) {
+ std::unique_ptr<MockAccess> access = std::make_unique<NiceMock<MockAccess>>();
+
+ EXPECT_CALL(*access, getCallingContext()).WillOnce(Return(Access::CallingContext{}));
+ EXPECT_CALL(*access, canAdd(_, _)).WillOnce(Return(false));
+
+ sp<ServiceManager> sm = new ServiceManager(std::move(access));
+
+ EXPECT_FALSE(sm->addService("foo", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+}
+
+TEST(GetService, HappyHappy) {
+ auto sm = getPermissiveServiceManager();
+ EXPECT_TRUE(sm->addService("foo", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+
+ sp<IBinder> out;
+ EXPECT_TRUE(sm->getService("foo", &out).isOk());
+ EXPECT_EQ(getBinder(), out);
+}
+
+TEST(GetService, NonExistant) {
+ auto sm = getPermissiveServiceManager();
+
+ sp<IBinder> out;
+ EXPECT_TRUE(sm->getService("foo", &out).isOk());
+ EXPECT_EQ(nullptr, out.get());
+}
+
+TEST(GetService, NoPermissionsForGettingService) {
+ std::unique_ptr<MockAccess> access = std::make_unique<NiceMock<MockAccess>>();
+
+ EXPECT_CALL(*access, getCallingContext()).WillRepeatedly(Return(Access::CallingContext{}));
+ EXPECT_CALL(*access, canAdd(_, _)).WillOnce(Return(true));
+ EXPECT_CALL(*access, canFind(_, _)).WillOnce(Return(false));
+
+ sp<ServiceManager> sm = new ServiceManager(std::move(access));
+
+ EXPECT_TRUE(sm->addService("foo", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+
+ sp<IBinder> out;
+ // returns nullptr but has OK status for legacy compatibility
+ EXPECT_TRUE(sm->getService("foo", &out).isOk());
+ EXPECT_EQ(nullptr, out.get());
+}
+
+TEST(GetService, AllowedFromIsolated) {
+ std::unique_ptr<MockAccess> access = std::make_unique<NiceMock<MockAccess>>();
+
+ EXPECT_CALL(*access, getCallingContext())
+ // something adds it
+ .WillOnce(Return(Access::CallingContext{}))
+ // next call is from isolated app
+ .WillOnce(Return(Access::CallingContext{
+ .uid = AID_ISOLATED_START,
+ }));
+ EXPECT_CALL(*access, canAdd(_, _)).WillOnce(Return(true));
+ EXPECT_CALL(*access, canFind(_, _)).WillOnce(Return(true));
+
+ sp<ServiceManager> sm = new ServiceManager(std::move(access));
+
+ EXPECT_TRUE(sm->addService("foo", getBinder(), true /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+
+ sp<IBinder> out;
+ EXPECT_TRUE(sm->getService("foo", &out).isOk());
+ EXPECT_EQ(getBinder(), out.get());
+}
+
+TEST(GetService, NotAllowedFromIsolated) {
+ std::unique_ptr<MockAccess> access = std::make_unique<NiceMock<MockAccess>>();
+
+ EXPECT_CALL(*access, getCallingContext())
+ // something adds it
+ .WillOnce(Return(Access::CallingContext{}))
+ // next call is from isolated app
+ .WillOnce(Return(Access::CallingContext{
+ .uid = AID_ISOLATED_START,
+ }));
+ EXPECT_CALL(*access, canAdd(_, _)).WillOnce(Return(true));
+
+ // TODO(b/136023468): when security check is first, this should be called first
+ // EXPECT_CALL(*access, canFind(_, _)).WillOnce(Return(true));
+
+ sp<ServiceManager> sm = new ServiceManager(std::move(access));
+
+ EXPECT_TRUE(sm->addService("foo", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+
+ sp<IBinder> out;
+ // returns nullptr but has OK status for legacy compatibility
+ EXPECT_TRUE(sm->getService("foo", &out).isOk());
+ EXPECT_EQ(nullptr, out.get());
+}
+
+TEST(ListServices, NoPermissions) {
+ std::unique_ptr<MockAccess> access = std::make_unique<NiceMock<MockAccess>>();
+
+ EXPECT_CALL(*access, getCallingContext()).WillOnce(Return(Access::CallingContext{}));
+ EXPECT_CALL(*access, canList(_)).WillOnce(Return(false));
+
+ sp<ServiceManager> sm = new ServiceManager(std::move(access));
+
+ std::vector<std::string> out;
+ EXPECT_FALSE(sm->listServices(IServiceManager::DUMP_FLAG_PRIORITY_ALL, &out).isOk());
+ EXPECT_TRUE(out.empty());
+}
+
+TEST(ListServices, AllServices) {
+ auto sm = getPermissiveServiceManager();
+
+ EXPECT_TRUE(sm->addService("sd", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+ EXPECT_TRUE(sm->addService("sc", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_NORMAL).isOk());
+ EXPECT_TRUE(sm->addService("sb", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_HIGH).isOk());
+ EXPECT_TRUE(sm->addService("sa", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_CRITICAL).isOk());
+
+ std::vector<std::string> out;
+ EXPECT_TRUE(sm->listServices(IServiceManager::DUMP_FLAG_PRIORITY_ALL, &out).isOk());
+
+ // all there and in the right order
+ EXPECT_THAT(out, ElementsAre("sa", "sb", "sc", "sd"));
+}
+
+TEST(ListServices, CriticalServices) {
+ auto sm = getPermissiveServiceManager();
+
+ EXPECT_TRUE(sm->addService("sd", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk());
+ EXPECT_TRUE(sm->addService("sc", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_NORMAL).isOk());
+ EXPECT_TRUE(sm->addService("sb", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_HIGH).isOk());
+ EXPECT_TRUE(sm->addService("sa", getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_CRITICAL).isOk());
+
+ std::vector<std::string> out;
+ EXPECT_TRUE(sm->listServices(IServiceManager::DUMP_FLAG_PRIORITY_CRITICAL, &out).isOk());
+
+ // all there and in the right order
+ EXPECT_THAT(out, ElementsAre("sa"));
+}
diff --git a/data/etc/android.hardware.se.omapi.ese.xml b/data/etc/android.hardware.se.omapi.ese.xml
new file mode 100644
index 0000000..3b1d81c
--- /dev/null
+++ b/data/etc/android.hardware.se.omapi.ese.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2019 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+
+<!-- This feature indicates that the device supports The device supports
+ Open Mobile API capable ESE-based secure elements-->
+<permissions>
+ <feature name="android.hardware.se.omapi.ese" />
+</permissions>
diff --git a/data/etc/android.hardware.se.omapi.sd.xml b/data/etc/android.hardware.se.omapi.sd.xml
new file mode 100644
index 0000000..8fc2869
--- /dev/null
+++ b/data/etc/android.hardware.se.omapi.sd.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2019 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+
+<!-- This feature indicates that the device supports The device supports
+ Open Mobile API capable SD-based secure elements-->
+<permissions>
+ <feature name="android.hardware.se.omapi.sd" />
+</permissions>
diff --git a/data/etc/android.hardware.se.omapi.uicc.xml b/data/etc/android.hardware.se.omapi.uicc.xml
new file mode 100644
index 0000000..9c6f143
--- /dev/null
+++ b/data/etc/android.hardware.se.omapi.uicc.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2019 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+
+<!-- This feature indicates that the device supports The device supports
+ Open Mobile API capable UICC-based secure elements-->
+<permissions>
+ <feature name="android.hardware.se.omapi.uicc" />
+</permissions>
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index 905b25f..c6ce576 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -70,10 +70,10 @@
"ProcessInfoService.cpp",
"ProcessState.cpp",
"Static.cpp",
+ "Stability.cpp",
"Status.cpp",
"TextOutput.cpp",
"IpPrefix.cpp",
- "Value.cpp",
":libbinder_aidl",
],
@@ -94,7 +94,6 @@
"PermissionController.cpp",
"ProcessInfoService.cpp",
"IpPrefix.cpp",
- ":libbinder_aidl",
],
},
},
@@ -116,7 +115,6 @@
},
shared_libs: [
- "libbase",
"liblog",
"libcutils",
"libutils",
@@ -142,8 +140,7 @@
name: "libbinder_aidl",
srcs: [
"aidl/android/content/pm/IPackageManagerNative.aidl",
+ "aidl/android/os/IServiceManager.aidl",
],
path: "aidl",
}
-
-subdirs = ["tests"]
diff --git a/libs/binder/Binder.cpp b/libs/binder/Binder.cpp
index cb0e08d..f3483ca 100644
--- a/libs/binder/Binder.cpp
+++ b/libs/binder/Binder.cpp
@@ -128,13 +128,14 @@
status_t err = NO_ERROR;
switch (code) {
case PING_TRANSACTION:
- reply->writeInt32(pingBinder());
+ err = pingBinder();
break;
default:
err = onTransact(code, data, reply, flags);
break;
}
+ // In case this is being transacted on in the same process.
if (reply != nullptr) {
reply->setDataPosition(0);
}
diff --git a/libs/binder/BpBinder.cpp b/libs/binder/BpBinder.cpp
index ec170f7..74ffde2 100644
--- a/libs/binder/BpBinder.cpp
+++ b/libs/binder/BpBinder.cpp
@@ -21,6 +21,7 @@
#include <binder/IPCThreadState.h>
#include <binder/IResultReceiver.h>
+#include <binder/Stability.h>
#include <cutils/compiler.h>
#include <utils/Log.h>
@@ -148,6 +149,10 @@
IPCThreadState::self()->incWeakHandle(handle, this);
}
+int32_t BpBinder::handle() const {
+ return mHandle;
+}
+
bool BpBinder::isDescriptorCached() const {
Mutex::Autolock _l(mLock);
return mDescriptorCache.size() ? true : false;
@@ -186,10 +191,7 @@
{
Parcel send;
Parcel reply;
- status_t err = transact(PING_TRANSACTION, send, &reply);
- if (err != NO_ERROR) return err;
- if (reply.dataSize() < sizeof(status_t)) return NOT_ENOUGH_DATA;
- return (status_t)reply.readInt32();
+ return transact(PING_TRANSACTION, send, &reply);
}
status_t BpBinder::dump(int fd, const Vector<String16>& args)
@@ -212,9 +214,21 @@
{
// Once a binder has died, it will never come back to life.
if (mAlive) {
+ // user transactions require a given stability level
+ if (code >= FIRST_CALL_TRANSACTION && code <= LAST_CALL_TRANSACTION) {
+ using android::internal::Stability;
+
+ auto stability = Stability::get(this);
+
+ if (CC_UNLIKELY(!Stability::check(stability, Stability::kLocalStability))) {
+ return BAD_TYPE;
+ }
+ }
+
status_t status = IPCThreadState::self()->transact(
mHandle, code, data, reply, flags);
if (status == DEAD_OBJECT) mAlive = 0;
+
return status;
}
@@ -387,21 +401,6 @@
}
}
- mLock.lock();
- Vector<Obituary>* obits = mObituaries;
- if(obits != nullptr) {
- if (ipc) ipc->clearDeathNotification(mHandle, this);
- mObituaries = nullptr;
- }
- mLock.unlock();
-
- if (obits != nullptr) {
- // XXX Should we tell any remaining DeathRecipient
- // objects that the last strong ref has gone away, so they
- // are no longer linked?
- delete obits;
- }
-
if (ipc) {
ipc->expungeHandle(mHandle, this);
ipc->decWeakHandle(mHandle);
@@ -423,6 +422,25 @@
}
IPCThreadState* ipc = IPCThreadState::self();
if (ipc) ipc->decStrongHandle(mHandle);
+
+ mLock.lock();
+ Vector<Obituary>* obits = mObituaries;
+ if(obits != nullptr) {
+ if (!obits->isEmpty()) {
+ ALOGI("onLastStrongRef automatically unlinking death recipients");
+ }
+
+ if (ipc) ipc->clearDeathNotification(mHandle, this);
+ mObituaries = nullptr;
+ }
+ mLock.unlock();
+
+ if (obits != nullptr) {
+ // XXX Should we tell any remaining DeathRecipient
+ // objects that the last strong ref has gone away, so they
+ // are no longer linked?
+ delete obits;
+ }
}
bool BpBinder::onIncStrongAttempted(uint32_t /*flags*/, const void* /*id*/)
diff --git a/libs/binder/BufferedTextOutput.cpp b/libs/binder/BufferedTextOutput.cpp
index 857bbf9..a7d5240 100644
--- a/libs/binder/BufferedTextOutput.cpp
+++ b/libs/binder/BufferedTextOutput.cpp
@@ -23,12 +23,12 @@
#include <utils/RefBase.h>
#include <utils/Vector.h>
-#include <private/binder/Static.h>
-
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
+#include "Static.h"
+
// ---------------------------------------------------------------------------
namespace android {
diff --git a/libs/binder/IAppOpsCallback.cpp b/libs/binder/IAppOpsCallback.cpp
index aba4967..4c151e7 100644
--- a/libs/binder/IAppOpsCallback.cpp
+++ b/libs/binder/IAppOpsCallback.cpp
@@ -22,8 +22,6 @@
#include <binder/Parcel.h>
#include <utils/String8.h>
-#include <private/binder/Static.h>
-
namespace android {
// ----------------------------------------------------------------------
diff --git a/libs/binder/IAppOpsService.cpp b/libs/binder/IAppOpsService.cpp
index 66d6e31..c426f3a 100644
--- a/libs/binder/IAppOpsService.cpp
+++ b/libs/binder/IAppOpsService.cpp
@@ -22,8 +22,6 @@
#include <binder/Parcel.h>
#include <utils/String8.h>
-#include <private/binder/Static.h>
-
namespace android {
// ----------------------------------------------------------------------
diff --git a/libs/binder/IBatteryStats.cpp b/libs/binder/IBatteryStats.cpp
index b307e3e..cc0022a 100644
--- a/libs/binder/IBatteryStats.cpp
+++ b/libs/binder/IBatteryStats.cpp
@@ -20,8 +20,6 @@
#include <binder/Parcel.h>
#include <utils/String8.h>
-#include <private/binder/Static.h>
-
namespace android {
// ----------------------------------------------------------------------
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp
index a2d10ab..7c45c77 100644
--- a/libs/binder/IPCThreadState.cpp
+++ b/libs/binder/IPCThreadState.cpp
@@ -31,7 +31,6 @@
#include <utils/threads.h>
#include <private/binder/binder_module.h>
-#include <private/binder/Static.h>
#include <atomic>
#include <errno.h>
@@ -44,6 +43,8 @@
#include <sys/resource.h>
#include <unistd.h>
+#include "Static.h"
+
#if LOG_NDEBUG
#define IF_LOG_TRANSACTIONS() if (false)
@@ -464,7 +465,7 @@
void IPCThreadState::flushCommands()
{
- if (mProcess->mDriverFD <= 0)
+ if (mProcess->mDriverFD < 0)
return;
talkWithDriver(false);
// The flush could have caused post-write refcount decrements to have
@@ -617,7 +618,7 @@
int IPCThreadState::setupPolling(int* fd)
{
- if (mProcess->mDriverFD <= 0) {
+ if (mProcess->mDriverFD < 0) {
return -EBADF;
}
@@ -923,7 +924,7 @@
status_t IPCThreadState::talkWithDriver(bool doReceive)
{
- if (mProcess->mDriverFD <= 0) {
+ if (mProcess->mDriverFD < 0) {
return -EBADF;
}
@@ -981,7 +982,7 @@
#else
err = INVALID_OPERATION;
#endif
- if (mProcess->mDriverFD <= 0) {
+ if (mProcess->mDriverFD < 0) {
err = -EBADF;
}
IF_LOG_COMMANDS() {
@@ -998,7 +999,7 @@
if (err >= NO_ERROR) {
if (bwr.write_consumed > 0) {
if (bwr.write_consumed < mOut.dataSize())
- mOut.remove(0, bwr.write_consumed);
+ LOG_ALWAYS_FATAL("Driver did not consume write buffer");
else {
mOut.setDataSize(0);
processPostWriteDerefs();
@@ -1062,7 +1063,7 @@
sp<BBinder> the_context_object;
-void setTheContextObject(sp<BBinder> obj)
+void IPCThreadState::setTheContextObject(sp<BBinder> obj)
{
the_context_object = obj;
}
@@ -1300,7 +1301,7 @@
if (self) {
self->flushCommands();
#if defined(__ANDROID__)
- if (self->mProcess->mDriverFD > 0) {
+ if (self->mProcess->mDriverFD >= 0) {
ioctl(self->mProcess->mDriverFD, BINDER_THREAD_EXIT, 0);
}
#endif
diff --git a/libs/binder/IPermissionController.cpp b/libs/binder/IPermissionController.cpp
index 6b99150..bf2f20a 100644
--- a/libs/binder/IPermissionController.cpp
+++ b/libs/binder/IPermissionController.cpp
@@ -22,8 +22,6 @@
#include <binder/Parcel.h>
#include <utils/String8.h>
-#include <private/binder/Static.h>
-
namespace android {
// ----------------------------------------------------------------------
diff --git a/libs/binder/IResultReceiver.cpp b/libs/binder/IResultReceiver.cpp
index 159763d..1e11941 100644
--- a/libs/binder/IResultReceiver.cpp
+++ b/libs/binder/IResultReceiver.cpp
@@ -22,8 +22,6 @@
#include <binder/Parcel.h>
#include <utils/String8.h>
-#include <private/binder/Static.h>
-
namespace android {
// ----------------------------------------------------------------------
diff --git a/libs/binder/IServiceManager.cpp b/libs/binder/IServiceManager.cpp
index 0203d41..74f1f47 100644
--- a/libs/binder/IServiceManager.cpp
+++ b/libs/binder/IServiceManager.cpp
@@ -18,6 +18,7 @@
#include <binder/IServiceManager.h>
+#include <android/os/IServiceManager.h>
#include <utils/Log.h>
#include <binder/IPCThreadState.h>
#ifndef __ANDROID_VNDK__
@@ -28,12 +29,15 @@
#include <utils/String8.h>
#include <utils/SystemClock.h>
-#include <private/binder/Static.h>
+#include "Static.h"
#include <unistd.h>
namespace android {
+using AidlServiceManager = android::os::IServiceManager;
+using android::binder::Status;
+
sp<IServiceManager> defaultServiceManager()
{
static Mutex gDefaultServiceManagerLock;
@@ -142,11 +146,12 @@
{
public:
explicit BpServiceManager(const sp<IBinder>& impl)
- : BpInterface<IServiceManager>(impl)
+ : BpInterface<IServiceManager>(impl),
+ mTheRealServiceManager(interface_cast<AidlServiceManager>(impl))
{
}
- virtual sp<IBinder> getService(const String16& name) const
+ sp<IBinder> getService(const String16& name) const override
{
static bool gSystemBootCompleted = false;
@@ -179,43 +184,36 @@
return nullptr;
}
- virtual sp<IBinder> checkService( const String16& name) const
- {
- Parcel data, reply;
- data.writeInterfaceToken(IServiceManager::getInterfaceDescriptor());
- data.writeString16(name);
- remote()->transact(CHECK_SERVICE_TRANSACTION, data, &reply);
- return reply.readStrongBinder();
+ sp<IBinder> checkService(const String16& name) const override {
+ sp<IBinder> ret;
+ if (!mTheRealServiceManager->checkService(String8(name).c_str(), &ret).isOk()) {
+ return nullptr;
+ }
+ return ret;
}
- virtual status_t addService(const String16& name, const sp<IBinder>& service,
- bool allowIsolated, int dumpsysPriority) {
- Parcel data, reply;
- data.writeInterfaceToken(IServiceManager::getInterfaceDescriptor());
- data.writeString16(name);
- data.writeStrongBinder(service);
- data.writeInt32(allowIsolated ? 1 : 0);
- data.writeInt32(dumpsysPriority);
- status_t err = remote()->transact(ADD_SERVICE_TRANSACTION, data, &reply);
- return err == NO_ERROR ? reply.readExceptionCode() : err;
+ status_t addService(const String16& name, const sp<IBinder>& service,
+ bool allowIsolated, int dumpsysPriority) override {
+ Status status = mTheRealServiceManager->addService(String8(name).c_str(), service, allowIsolated, dumpsysPriority);
+ return status.exceptionCode();
}
virtual Vector<String16> listServices(int dumpsysPriority) {
- Vector<String16> res;
- int n = 0;
+ std::vector<std::string> ret;
+ if (!mTheRealServiceManager->listServices(dumpsysPriority, &ret).isOk()) {
+ return {};
+ }
- for (;;) {
- Parcel data, reply;
- data.writeInterfaceToken(IServiceManager::getInterfaceDescriptor());
- data.writeInt32(n++);
- data.writeInt32(dumpsysPriority);
- status_t err = remote()->transact(LIST_SERVICES_TRANSACTION, data, &reply);
- if (err != NO_ERROR)
- break;
- res.add(reply.readString16());
+ Vector<String16> res;
+ res.setCapacity(ret.size());
+ for (const std::string& name : ret) {
+ res.push(String16(name.c_str()));
}
return res;
}
+
+private:
+ sp<AidlServiceManager> mTheRealServiceManager;
};
IMPLEMENT_META_INTERFACE(ServiceManager, "android.os.IServiceManager");
diff --git a/libs/binder/IShellCallback.cpp b/libs/binder/IShellCallback.cpp
index 6c697de..88cc603 100644
--- a/libs/binder/IShellCallback.cpp
+++ b/libs/binder/IShellCallback.cpp
@@ -25,8 +25,6 @@
#include <binder/Parcel.h>
#include <utils/String8.h>
-#include <private/binder/Static.h>
-
namespace android {
// ----------------------------------------------------------------------
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index 458961b..8751ecb 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -35,9 +35,9 @@
#include <binder/IPCThreadState.h>
#include <binder/Parcel.h>
#include <binder/ProcessState.h>
+#include <binder/Stability.h>
#include <binder/Status.h>
#include <binder/TextOutput.h>
-#include <binder/Value.h>
#include <cutils/ashmem.h>
#include <utils/Debug.h>
@@ -48,7 +48,7 @@
#include <utils/String16.h>
#include <private/binder/binder_module.h>
-#include <private/binder/Static.h>
+#include "Static.h"
#ifndef INT32_MAX
#define INT32_MAX ((int32_t)(2147483647))
@@ -78,6 +78,9 @@
namespace android {
+// many things compile this into prebuilts on the stack
+static_assert(sizeof(Parcel) == 60 || sizeof(Parcel) == 120);
+
static pthread_mutex_t gParcelGlobalAllocSizeLock = PTHREAD_MUTEX_INITIALIZER;
static size_t gParcelGlobalAllocSize = 0;
static size_t gParcelGlobalAllocCount = 0;
@@ -103,10 +106,6 @@
reinterpret_cast<IBinder*>(obj.cookie)->incStrong(who);
}
return;
- case BINDER_TYPE_WEAK_BINDER:
- if (obj.binder)
- reinterpret_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who);
- return;
case BINDER_TYPE_HANDLE: {
const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle);
if (b != nullptr) {
@@ -115,11 +114,6 @@
}
return;
}
- case BINDER_TYPE_WEAK_HANDLE: {
- const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle);
- if (b != nullptr) b.get_refs()->incWeak(who);
- return;
- }
case BINDER_TYPE_FD: {
if ((obj.cookie != 0) && (outAshmemSize != nullptr) && ashmem_valid(obj.handle)) {
// If we own an ashmem fd, keep track of how much memory it refers to.
@@ -145,10 +139,6 @@
reinterpret_cast<IBinder*>(obj.cookie)->decStrong(who);
}
return;
- case BINDER_TYPE_WEAK_BINDER:
- if (obj.binder)
- reinterpret_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who);
- return;
case BINDER_TYPE_HANDLE: {
const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle);
if (b != nullptr) {
@@ -157,11 +147,6 @@
}
return;
}
- case BINDER_TYPE_WEAK_HANDLE: {
- const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle);
- if (b != nullptr) b.get_refs()->decWeak(who);
- return;
- }
case BINDER_TYPE_FD: {
if (obj.cookie != 0) { // owned
if ((outAshmemSize != nullptr) && ashmem_valid(obj.handle)) {
@@ -183,14 +168,31 @@
ALOGE("Invalid object type 0x%08x", obj.hdr.type);
}
-inline static status_t finish_flatten_binder(
- const sp<IBinder>& /*binder*/, const flat_binder_object& flat, Parcel* out)
+status_t Parcel::finishFlattenBinder(
+ const sp<IBinder>& binder, const flat_binder_object& flat)
{
- return out->writeObject(flat, false);
+ status_t status = writeObject(flat, false);
+ if (status != OK) return status;
+
+ internal::Stability::tryMarkCompilationUnit(binder.get());
+ return writeInt32(internal::Stability::get(binder.get()));
}
-static status_t flatten_binder(const sp<ProcessState>& /*proc*/,
- const sp<IBinder>& binder, Parcel* out)
+status_t Parcel::finishUnflattenBinder(
+ const sp<IBinder>& binder, sp<IBinder>* out) const
+{
+ int32_t stability;
+ status_t status = readInt32(&stability);
+ if (status != OK) return status;
+
+ status = internal::Stability::set(binder.get(), stability, true /*log*/);
+ if (status != OK) return status;
+
+ *out = binder;
+ return OK;
+}
+
+status_t Parcel::flattenBinder(const sp<IBinder>& binder)
{
flat_binder_object obj;
@@ -228,108 +230,24 @@
obj.cookie = 0;
}
- return finish_flatten_binder(binder, obj, out);
+ return finishFlattenBinder(binder, obj);
}
-static status_t flatten_binder(const sp<ProcessState>& /*proc*/,
- const wp<IBinder>& binder, Parcel* out)
+status_t Parcel::unflattenBinder(sp<IBinder>* out) const
{
- flat_binder_object obj;
+ const flat_binder_object* flat = readObject(false);
- obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS;
- if (binder != nullptr) {
- sp<IBinder> real = binder.promote();
- if (real != nullptr) {
- IBinder *local = real->localBinder();
- if (!local) {
- BpBinder *proxy = real->remoteBinder();
- if (proxy == nullptr) {
- ALOGE("null proxy");
- }
- const int32_t handle = proxy ? proxy->handle() : 0;
- obj.hdr.type = BINDER_TYPE_WEAK_HANDLE;
- obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */
- obj.handle = handle;
- obj.cookie = 0;
- } else {
- obj.hdr.type = BINDER_TYPE_WEAK_BINDER;
- obj.binder = reinterpret_cast<uintptr_t>(binder.get_refs());
- obj.cookie = reinterpret_cast<uintptr_t>(binder.unsafe_get());
+ if (flat) {
+ switch (flat->hdr.type) {
+ case BINDER_TYPE_BINDER: {
+ sp<IBinder> binder = reinterpret_cast<IBinder*>(flat->cookie);
+ return finishUnflattenBinder(binder, out);
}
- return finish_flatten_binder(real, obj, out);
- }
-
- // XXX How to deal? In order to flatten the given binder,
- // we need to probe it for information, which requires a primary
- // reference... but we don't have one.
- //
- // The OpenBinder implementation uses a dynamic_cast<> here,
- // but we can't do that with the different reference counting
- // implementation we are using.
- ALOGE("Unable to unflatten Binder weak reference!");
- obj.hdr.type = BINDER_TYPE_BINDER;
- obj.binder = 0;
- obj.cookie = 0;
- return finish_flatten_binder(nullptr, obj, out);
-
- } else {
- obj.hdr.type = BINDER_TYPE_BINDER;
- obj.binder = 0;
- obj.cookie = 0;
- return finish_flatten_binder(nullptr, obj, out);
- }
-}
-
-inline static status_t finish_unflatten_binder(
- BpBinder* /*proxy*/, const flat_binder_object& /*flat*/,
- const Parcel& /*in*/)
-{
- return NO_ERROR;
-}
-
-static status_t unflatten_binder(const sp<ProcessState>& proc,
- const Parcel& in, sp<IBinder>* out)
-{
- const flat_binder_object* flat = in.readObject(false);
-
- if (flat) {
- switch (flat->hdr.type) {
- case BINDER_TYPE_BINDER:
- *out = reinterpret_cast<IBinder*>(flat->cookie);
- return finish_unflatten_binder(nullptr, *flat, in);
- case BINDER_TYPE_HANDLE:
- *out = proc->getStrongProxyForHandle(flat->handle);
- return finish_unflatten_binder(
- static_cast<BpBinder*>(out->get()), *flat, in);
- }
- }
- return BAD_TYPE;
-}
-
-static status_t unflatten_binder(const sp<ProcessState>& proc,
- const Parcel& in, wp<IBinder>* out)
-{
- const flat_binder_object* flat = in.readObject(false);
-
- if (flat) {
- switch (flat->hdr.type) {
- case BINDER_TYPE_BINDER:
- *out = reinterpret_cast<IBinder*>(flat->cookie);
- return finish_unflatten_binder(nullptr, *flat, in);
- case BINDER_TYPE_WEAK_BINDER:
- if (flat->binder != 0) {
- out->set_object_and_refs(
- reinterpret_cast<IBinder*>(flat->cookie),
- reinterpret_cast<RefBase::weakref_type*>(flat->binder));
- } else {
- *out = nullptr;
- }
- return finish_unflatten_binder(nullptr, *flat, in);
- case BINDER_TYPE_HANDLE:
- case BINDER_TYPE_WEAK_HANDLE:
- *out = proc->getWeakProxyForHandle(flat->handle);
- return finish_unflatten_binder(
- static_cast<BpBinder*>(out->unsafe_get()), *flat, in);
+ case BINDER_TYPE_HANDLE: {
+ sp<IBinder> binder =
+ ProcessState::self()->getStrongProxyForHandle(flat->handle);
+ return finishUnflattenBinder(binder, out);
+ }
}
}
return BAD_TYPE;
@@ -591,6 +509,12 @@
}
}
+#ifdef __ANDROID_VNDK__
+constexpr int32_t kHeader = B_PACK_CHARS('V', 'N', 'D', 'R');
+#else
+constexpr int32_t kHeader = B_PACK_CHARS('S', 'Y', 'S', 'T');
+#endif
+
// Write RPC headers. (previously just the interface token)
status_t Parcel::writeInterfaceToken(const String16& interface)
{
@@ -599,6 +523,7 @@
updateWorkSourceRequestHeaderPosition();
writeInt32(threadState->shouldPropagateWorkSource() ?
threadState->getCallingWorkSourceUid() : IPCThreadState::kUnsetWorkSource);
+ writeInt32(kHeader);
// currently the interface identification token is just its name as a string
return writeString16(interface);
}
@@ -656,6 +581,12 @@
updateWorkSourceRequestHeaderPosition();
int32_t workSource = readInt32();
threadState->setCallingWorkSourceUidWithoutPropagation(workSource);
+ // vendor header
+ int32_t header = readInt32();
+ if (header != kHeader) {
+ ALOGE("Expecting header 0x%x but found 0x%x. Mixing copies of libbinder?", kHeader, header);
+ return false;
+ }
// Interface descriptor.
const String16 str(readString16());
if (str == interface) {
@@ -667,11 +598,6 @@
}
}
-const binder_size_t* Parcel::objects() const
-{
- return mObjects;
-}
-
size_t Parcel::objectsCount() const
{
return mObjectsSize;
@@ -1121,7 +1047,7 @@
status_t Parcel::writeStrongBinder(const sp<IBinder>& val)
{
- return flatten_binder(ProcessState::self(), val, this);
+ return flattenBinder(val);
}
status_t Parcel::writeStrongBinderVector(const std::vector<sp<IBinder>>& val)
@@ -1142,11 +1068,6 @@
return readTypedVector(val, &Parcel::readStrongBinder);
}
-status_t Parcel::writeWeakBinder(const wp<IBinder>& val)
-{
- return flatten_binder(ProcessState::self(), val, this);
-}
-
status_t Parcel::writeRawNullableParcelable(const Parcelable* parcelable) {
if (!parcelable) {
return writeInt32(0);
@@ -1163,10 +1084,6 @@
return parcelable.writeToParcel(this);
}
-status_t Parcel::writeValue(const binder::Value& value) {
- return value.writeToParcel(this);
-}
-
status_t Parcel::writeNativeHandle(const native_handle* handle)
{
if (!handle || handle->version != sizeof(native_handle))
@@ -1404,125 +1321,6 @@
return status.writeToParcel(this);
}
-status_t Parcel::writeMap(const ::android::binder::Map& map_in)
-{
- using ::std::map;
- using ::android::binder::Value;
- using ::android::binder::Map;
-
- Map::const_iterator iter;
- status_t ret;
-
- ret = writeInt32(map_in.size());
-
- if (ret != NO_ERROR) {
- return ret;
- }
-
- for (iter = map_in.begin(); iter != map_in.end(); ++iter) {
- ret = writeValue(Value(iter->first));
- if (ret != NO_ERROR) {
- return ret;
- }
-
- ret = writeValue(iter->second);
- if (ret != NO_ERROR) {
- return ret;
- }
- }
-
- return ret;
-}
-
-status_t Parcel::writeNullableMap(const std::unique_ptr<binder::Map>& map)
-{
- if (map == nullptr) {
- return writeInt32(-1);
- }
-
- return writeMap(*map.get());
-}
-
-status_t Parcel::readMap(::android::binder::Map* map_out)const
-{
- using ::std::map;
- using ::android::String16;
- using ::android::String8;
- using ::android::binder::Value;
- using ::android::binder::Map;
-
- status_t ret = NO_ERROR;
- int32_t count;
-
- ret = readInt32(&count);
- if (ret != NO_ERROR) {
- return ret;
- }
-
- if (count < 0) {
- ALOGE("readMap: Unexpected count: %d", count);
- return (count == -1)
- ? UNEXPECTED_NULL
- : BAD_VALUE;
- }
-
- map_out->clear();
-
- while (count--) {
- Map::key_type key;
- Value value;
-
- ret = readValue(&value);
- if (ret != NO_ERROR) {
- return ret;
- }
-
- if (!value.getString(&key)) {
- ALOGE("readMap: Key type not a string (parcelType = %d)", value.parcelType());
- return BAD_VALUE;
- }
-
- ret = readValue(&value);
- if (ret != NO_ERROR) {
- return ret;
- }
-
- (*map_out)[key] = value;
- }
-
- return ret;
-}
-
-status_t Parcel::readNullableMap(std::unique_ptr<binder::Map>* map) const
-{
- const size_t start = dataPosition();
- int32_t count;
- status_t status = readInt32(&count);
- map->reset();
-
- if (status != OK || count == -1) {
- return status;
- }
-
- setDataPosition(start);
- map->reset(new binder::Map());
-
- status = readMap(map->get());
-
- if (status != OK) {
- map->reset();
- }
-
- return status;
-}
-
-
-
-void Parcel::remove(size_t /*start*/, size_t /*amt*/)
-{
- LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!");
-}
-
status_t Parcel::validateReadData(size_t upperBound) const
{
// Don't allow non-object reads on object data
@@ -2195,7 +1993,7 @@
status_t Parcel::readNullableStrongBinder(sp<IBinder>* val) const
{
- return unflatten_binder(ProcessState::self(), *this, val);
+ return unflattenBinder(val);
}
sp<IBinder> Parcel::readStrongBinder() const
@@ -2208,13 +2006,6 @@
return val;
}
-wp<IBinder> Parcel::readWeakBinder() const
-{
- wp<IBinder> val;
- unflatten_binder(ProcessState::self(), *this, &val);
- return val;
-}
-
status_t Parcel::readParcelable(Parcelable* parcelable) const {
int32_t have_parcelable = 0;
status_t status = readInt32(&have_parcelable);
@@ -2227,10 +2018,6 @@
return parcelable->readFromParcel(this);
}
-status_t Parcel::readValue(binder::Value* value) const {
- return value->readFromParcel(this);
-}
-
int32_t Parcel::readExceptionCode() const
{
binder::Status status;
@@ -2582,7 +2369,7 @@
} else if (dataSize() > 0) {
const uint8_t* DATA = data();
to << indent << HexDump(DATA, dataSize()) << dedent;
- const binder_size_t* OBJS = objects();
+ const binder_size_t* OBJS = mObjects;
const size_t N = objectsCount();
for (size_t i=0; i<N; i++) {
const flat_binder_object* flat
diff --git a/libs/binder/include/private/binder/ParcelValTypes.h b/libs/binder/ParcelValTypes.h
similarity index 100%
rename from libs/binder/include/private/binder/ParcelValTypes.h
rename to libs/binder/ParcelValTypes.h
diff --git a/libs/binder/PersistableBundle.cpp b/libs/binder/PersistableBundle.cpp
index c0aec0a..97a6c94 100644
--- a/libs/binder/PersistableBundle.cpp
+++ b/libs/binder/PersistableBundle.cpp
@@ -17,7 +17,6 @@
#define LOG_TAG "PersistableBundle"
#include <binder/PersistableBundle.h>
-#include <private/binder/ParcelValTypes.h>
#include <limits>
@@ -26,6 +25,8 @@
#include <log/log.h>
#include <utils/Errors.h>
+#include "ParcelValTypes.h"
+
using android::BAD_TYPE;
using android::BAD_VALUE;
using android::NO_ERROR;
diff --git a/libs/binder/ProcessState.cpp b/libs/binder/ProcessState.cpp
index 2d156df..07db50f 100644
--- a/libs/binder/ProcessState.cpp
+++ b/libs/binder/ProcessState.cpp
@@ -21,14 +21,14 @@
#include <binder/BpBinder.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
+#include <binder/Stability.h>
#include <cutils/atomic.h>
#include <utils/Log.h>
#include <utils/String8.h>
-#include <utils/String8.h>
#include <utils/threads.h>
#include <private/binder/binder_module.h>
-#include <private/binder/Static.h>
+#include "Static.h"
#include <errno.h>
#include <fcntl.h>
@@ -40,7 +40,7 @@
#include <sys/stat.h>
#include <sys/types.h>
-#define DEFAULT_BINDER_VM_SIZE ((1 * 1024 * 1024) - sysconf(_SC_PAGE_SIZE) * 2)
+#define BINDER_VM_SIZE ((1 * 1024 * 1024) - sysconf(_SC_PAGE_SIZE) * 2)
#define DEFAULT_MAX_BINDER_THREADS 15
#ifdef __ANDROID_VNDK__
@@ -77,13 +77,7 @@
if (gProcess != nullptr) {
return gProcess;
}
- gProcess = new ProcessState(kDefaultDriver, DEFAULT_BINDER_VM_SIZE);
- return gProcess;
-}
-
-sp<ProcessState> ProcessState::selfOrNull()
-{
- Mutex::Autolock _l(gProcessMutex);
+ gProcess = new ProcessState(kDefaultDriver);
return gProcess;
}
@@ -104,72 +98,25 @@
driver = "/dev/binder";
}
- gProcess = new ProcessState(driver, DEFAULT_BINDER_VM_SIZE);
+ gProcess = new ProcessState(driver);
return gProcess;
}
-sp<ProcessState> ProcessState::initWithMmapSize(size_t mmap_size) {
- Mutex::Autolock _l(gProcessMutex);
- if (gProcess != nullptr) {
- LOG_ALWAYS_FATAL_IF(mmap_size != gProcess->getMmapSize(),
- "ProcessState already initialized with a different mmap size.");
- return gProcess;
- }
-
- gProcess = new ProcessState(kDefaultDriver, mmap_size);
- return gProcess;
-}
-
-void ProcessState::setContextObject(const sp<IBinder>& object)
+sp<ProcessState> ProcessState::selfOrNull()
{
- setContextObject(object, String16("default"));
+ Mutex::Autolock _l(gProcessMutex);
+ return gProcess;
}
sp<IBinder> ProcessState::getContextObject(const sp<IBinder>& /*caller*/)
{
- return getStrongProxyForHandle(0);
-}
+ sp<IBinder> context = getStrongProxyForHandle(0);
-void ProcessState::setContextObject(const sp<IBinder>& object, const String16& name)
-{
- AutoMutex _l(mLock);
- mContexts.add(name, object);
-}
+ // The root object is special since we get it directly from the driver, it is never
+ // written by Parcell::writeStrongBinder.
+ internal::Stability::tryMarkCompilationUnit(context.get());
-sp<IBinder> ProcessState::getContextObject(const String16& name, const sp<IBinder>& caller)
-{
- mLock.lock();
- sp<IBinder> object(
- mContexts.indexOfKey(name) >= 0 ? mContexts.valueFor(name) : nullptr);
- mLock.unlock();
-
- //printf("Getting context object %s for %p\n", String8(name).string(), caller.get());
-
- if (object != nullptr) return object;
-
- // Don't attempt to retrieve contexts if we manage them
- if (mManagesContexts) {
- ALOGE("getContextObject(%s) failed, but we manage the contexts!\n",
- String8(name).string());
- return nullptr;
- }
-
- IPCThreadState* ipc = IPCThreadState::self();
- {
- Parcel data, reply;
- // no interface token on this magic transaction
- data.writeString16(name);
- data.writeStrongBinder(caller);
- status_t result = ipc->transact(0 /*magic*/, 0, data, &reply, 0);
- if (result == NO_ERROR) {
- object = reply.readStrongBinder();
- }
- }
-
- ipc->flushCommands();
-
- if (object != nullptr) setContextObject(object, name);
- return object;
+ return context;
}
void ProcessState::startThreadPool()
@@ -181,41 +128,33 @@
}
}
-bool ProcessState::isContextManager(void) const
-{
- return mManagesContexts;
-}
-
bool ProcessState::becomeContextManager(context_check_func checkFunc, void* userData)
{
- if (!mManagesContexts) {
- AutoMutex _l(mLock);
- mBinderContextCheckFunc = checkFunc;
- mBinderContextUserData = userData;
+ AutoMutex _l(mLock);
+ mBinderContextCheckFunc = checkFunc;
+ mBinderContextUserData = userData;
- flat_binder_object obj {
- .flags = FLAT_BINDER_FLAG_TXN_SECURITY_CTX,
- };
+ flat_binder_object obj {
+ .flags = FLAT_BINDER_FLAG_TXN_SECURITY_CTX,
+ };
- status_t result = ioctl(mDriverFD, BINDER_SET_CONTEXT_MGR_EXT, &obj);
+ int result = ioctl(mDriverFD, BINDER_SET_CONTEXT_MGR_EXT, &obj);
- // fallback to original method
- if (result != 0) {
- android_errorWriteLog(0x534e4554, "121035042");
+ // fallback to original method
+ if (result != 0) {
+ android_errorWriteLog(0x534e4554, "121035042");
- int dummy = 0;
- result = ioctl(mDriverFD, BINDER_SET_CONTEXT_MGR, &dummy);
- }
-
- if (result == 0) {
- mManagesContexts = true;
- } else if (result == -1) {
- mBinderContextCheckFunc = nullptr;
- mBinderContextUserData = nullptr;
- ALOGE("Binder ioctl to become context manager failed: %s\n", strerror(errno));
- }
+ int dummy = 0;
+ result = ioctl(mDriverFD, BINDER_SET_CONTEXT_MGR, &dummy);
}
- return mManagesContexts;
+
+ if (result == -1) {
+ mBinderContextCheckFunc = nullptr;
+ mBinderContextUserData = nullptr;
+ ALOGE("Binder ioctl to become context manager failed: %s\n", strerror(errno));
+ }
+
+ return result == 0;
}
// Get references to userspace objects held by the kernel binder driver
@@ -249,10 +188,6 @@
return count;
}
-size_t ProcessState::getMmapSize() {
- return mMmapSize;
-}
-
void ProcessState::setCallRestriction(CallRestriction restriction) {
LOG_ALWAYS_FATAL_IF(IPCThreadState::selfOrNull(), "Call restrictions must be set before the threadpool is started.");
@@ -282,8 +217,12 @@
if (e != nullptr) {
// We need to create a new BpBinder if there isn't currently one, OR we
- // are unable to acquire a weak reference on this current one. See comment
- // in getWeakProxyForHandle() for more info about this.
+ // are unable to acquire a weak reference on this current one. The
+ // attemptIncWeak() is safe because we know the BpBinder destructor will always
+ // call expungeHandle(), which acquires the same lock we are holding now.
+ // We need to do this because there is a race condition between someone
+ // releasing a reference on this BpBinder, and a new reference on its handle
+ // arriving from the driver.
IBinder* b = e->binder;
if (b == nullptr || !e->refs->attemptIncWeak(this)) {
if (handle == 0) {
@@ -329,37 +268,6 @@
return result;
}
-wp<IBinder> ProcessState::getWeakProxyForHandle(int32_t handle)
-{
- wp<IBinder> result;
-
- AutoMutex _l(mLock);
-
- handle_entry* e = lookupHandleLocked(handle);
-
- if (e != nullptr) {
- // We need to create a new BpBinder if there isn't currently one, OR we
- // are unable to acquire a weak reference on this current one. The
- // attemptIncWeak() is safe because we know the BpBinder destructor will always
- // call expungeHandle(), which acquires the same lock we are holding now.
- // We need to do this because there is a race condition between someone
- // releasing a reference on this BpBinder, and a new reference on its handle
- // arriving from the driver.
- IBinder* b = e->binder;
- if (b == nullptr || !e->refs->attemptIncWeak(this)) {
- b = BpBinder::create(handle);
- result = b;
- e->binder = b;
- if (b) e->refs = b->getWeakRefs();
- } else {
- result = b;
- e->refs->decWeak(this);
- }
- }
-
- return result;
-}
-
void ProcessState::expungeHandle(int32_t handle, IBinder* binder)
{
AutoMutex _l(mLock);
@@ -437,7 +345,7 @@
return fd;
}
-ProcessState::ProcessState(const char *driver, size_t mmap_size)
+ProcessState::ProcessState(const char *driver)
: mDriverName(String8(driver))
, mDriverFD(open_driver(driver))
, mVMStart(MAP_FAILED)
@@ -446,17 +354,15 @@
, mExecutingThreadsCount(0)
, mMaxThreads(DEFAULT_MAX_BINDER_THREADS)
, mStarvationStartTimeMs(0)
- , mManagesContexts(false)
, mBinderContextCheckFunc(nullptr)
, mBinderContextUserData(nullptr)
, mThreadPoolStarted(false)
, mThreadPoolSeq(1)
- , mMmapSize(mmap_size)
, mCallRestriction(CallRestriction::NONE)
{
if (mDriverFD >= 0) {
// mmap the binder, providing a chunk of virtual address space to receive transactions.
- mVMStart = mmap(nullptr, mMmapSize, PROT_READ, MAP_PRIVATE | MAP_NORESERVE, mDriverFD, 0);
+ mVMStart = mmap(nullptr, BINDER_VM_SIZE, PROT_READ, MAP_PRIVATE | MAP_NORESERVE, mDriverFD, 0);
if (mVMStart == MAP_FAILED) {
// *sigh*
ALOGE("Using %s failed: unable to mmap transaction memory.\n", mDriverName.c_str());
@@ -466,14 +372,14 @@
}
}
- LOG_ALWAYS_FATAL_IF(mDriverFD < 0, "Binder driver could not be opened. Terminating.");
+ LOG_ALWAYS_FATAL_IF(mDriverFD < 0, "Binder driver '%s' could not be opened. Terminating.", driver);
}
ProcessState::~ProcessState()
{
if (mDriverFD >= 0) {
if (mVMStart != MAP_FAILED) {
- munmap(mVMStart, mMmapSize);
+ munmap(mVMStart, BINDER_VM_SIZE);
}
close(mDriverFD);
}
diff --git a/libs/binder/Stability.cpp b/libs/binder/Stability.cpp
new file mode 100644
index 0000000..b6f10c8
--- /dev/null
+++ b/libs/binder/Stability.cpp
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <binder/Stability.h>
+
+namespace android {
+namespace internal {
+
+void Stability::markCompilationUnit(IBinder* binder) {
+ status_t result = set(binder, kLocalStability, true /*log*/);
+ LOG_ALWAYS_FATAL_IF(result != OK, "Should only mark known object.");
+}
+
+void Stability::markVintf(IBinder* binder) {
+ status_t result = set(binder, Level::VINTF, true /*log*/);
+ LOG_ALWAYS_FATAL_IF(result != OK, "Should only mark known object.");
+}
+
+void Stability::debugLogStability(const std::string& tag, const sp<IBinder>& binder) {
+ ALOGE("%s: stability is %s", tag.c_str(), stabilityString(get(binder.get())).c_str());
+}
+
+void Stability::markVndk(IBinder* binder) {
+ status_t result = set(binder, Level::VENDOR, true /*log*/);
+ LOG_ALWAYS_FATAL_IF(result != OK, "Should only mark known object.");
+}
+
+void Stability::tryMarkCompilationUnit(IBinder* binder) {
+ (void) set(binder, kLocalStability, false /*log*/);
+}
+
+status_t Stability::set(IBinder* binder, int32_t stability, bool log) {
+ Level currentStability = get(binder);
+
+ // null binder is always written w/ 'UNDECLARED' stability
+ if (binder == nullptr) {
+ if (stability == UNDECLARED) {
+ return OK;
+ } else {
+ if (log) {
+ ALOGE("Null binder written with stability %s.",
+ stabilityString(stability).c_str());
+ }
+ return BAD_TYPE;
+ }
+ }
+
+ if (!isDeclaredStability(stability)) {
+ if (log) {
+ ALOGE("Can only set known stability, not %d.", stability);
+ }
+ return BAD_TYPE;
+ }
+
+ if (currentStability != Level::UNDECLARED && currentStability != stability) {
+ if (log) {
+ ALOGE("Interface being set with %s but it is already marked as %s.",
+ stabilityString(stability).c_str(), stabilityString(currentStability).c_str());
+ }
+ return BAD_TYPE;
+ }
+
+ if (currentStability == stability) return OK;
+
+ binder->attachObject(
+ reinterpret_cast<void*>(&Stability::get),
+ reinterpret_cast<void*>(stability),
+ nullptr /*cleanupCookie*/,
+ nullptr /*cleanup function*/);
+
+ return OK;
+}
+
+Stability::Level Stability::get(IBinder* binder) {
+ if (binder == nullptr) return UNDECLARED;
+
+ return static_cast<Level>(reinterpret_cast<intptr_t>(
+ binder->findObject(reinterpret_cast<void*>(&Stability::get))));
+}
+
+bool Stability::check(int32_t provided, Level required) {
+ bool stable = (provided & required) == required;
+
+ if (!isDeclaredStability(provided) && provided != UNDECLARED) {
+ ALOGE("Unknown stability when checking interface stability %d.", provided);
+
+ stable = false;
+ }
+
+ if (!stable) {
+ ALOGE("Cannot do a user transaction on a %s binder in a %s context.",
+ stabilityString(provided).c_str(),
+ stabilityString(required).c_str());
+ }
+
+ return stable;
+}
+
+bool Stability::isDeclaredStability(int32_t stability) {
+ return stability == VENDOR || stability == SYSTEM || stability == VINTF;
+}
+
+std::string Stability::stabilityString(int32_t stability) {
+ switch (stability) {
+ case Level::UNDECLARED: return "undeclared stability";
+ case Level::VENDOR: return "vendor stability";
+ case Level::SYSTEM: return "system stability";
+ case Level::VINTF: return "vintf stability";
+ }
+ return "unknown stability " + std::to_string(stability);
+}
+
+} // namespace internal
+} // namespace stability
\ No newline at end of file
diff --git a/libs/binder/Static.cpp b/libs/binder/Static.cpp
index 8625c6f..a6fd8c4 100644
--- a/libs/binder/Static.cpp
+++ b/libs/binder/Static.cpp
@@ -17,7 +17,7 @@
// All static variables go here, to control initialization and
// destruction order in the library.
-#include <private/binder/Static.h>
+#include "Static.h"
#include <binder/BufferedTextOutput.h>
#include <binder/IPCThreadState.h>
diff --git a/libs/binder/include/private/binder/Static.h b/libs/binder/Static.h
similarity index 100%
rename from libs/binder/include/private/binder/Static.h
rename to libs/binder/Static.h
diff --git a/libs/binder/TEST_MAPPING b/libs/binder/TEST_MAPPING
new file mode 100644
index 0000000..136bdb0
--- /dev/null
+++ b/libs/binder/TEST_MAPPING
@@ -0,0 +1,19 @@
+{
+ "presubmit": [
+ {
+ "name": "binderSafeInterfaceTest"
+ },
+ {
+ "name": "binderDriverInterfaceTest"
+ },
+ {
+ "name": "binderTextOutputTest"
+ },
+ {
+ "name": "binderLibTest"
+ },
+ {
+ "name": "binderStabilityTest"
+ }
+ ]
+}
diff --git a/libs/binder/Value.cpp b/libs/binder/Value.cpp
deleted file mode 100644
index 19c57ba..0000000
--- a/libs/binder/Value.cpp
+++ /dev/null
@@ -1,420 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "Value"
-
-#include <binder/Value.h>
-
-#include <limits>
-
-#include <binder/IBinder.h>
-#include <binder/Parcel.h>
-#include <binder/Map.h>
-#include <private/binder/ParcelValTypes.h>
-#include <log/log.h>
-#include <utils/Errors.h>
-
-using android::BAD_TYPE;
-using android::BAD_VALUE;
-using android::NO_ERROR;
-using android::UNEXPECTED_NULL;
-using android::Parcel;
-using android::sp;
-using android::status_t;
-using std::map;
-using std::set;
-using std::vector;
-using android::binder::Value;
-using android::IBinder;
-using android::os::PersistableBundle;
-using namespace android::binder;
-
-// ====================================================================
-
-#define RETURN_IF_FAILED(calledOnce) \
- do { \
- status_t returnStatus = calledOnce; \
- if (returnStatus) { \
- ALOGE("Failed at %s:%d (%s)", __FILE__, __LINE__, __func__); \
- return returnStatus; \
- } \
- } while(false)
-
-// ====================================================================
-
-/* These `internal_type_ptr()` functions allow this
- * class to work without C++ RTTI support. This technique
- * only works properly when called directly from this file,
- * but that is OK because that is the only place we will
- * be calling them from. */
-template<class T> const void* internal_type_ptr()
-{
- static const T *marker;
- return (void*)▮
-}
-
-/* Allows the type to be specified by the argument
- * instead of inside angle brackets. */
-template<class T> const void* internal_type_ptr(const T&)
-{
- return internal_type_ptr<T>();
-}
-
-// ====================================================================
-
-namespace android {
-
-namespace binder {
-
-class Value::ContentBase {
-public:
- virtual ~ContentBase() = default;
- virtual const void* type_ptr() const = 0;
- virtual ContentBase * clone() const = 0;
- virtual bool operator==(const ContentBase& rhs) const = 0;
-
-#ifdef LIBBINDER_VALUE_SUPPORTS_TYPE_INFO
- virtual const std::type_info &type() const = 0;
-#endif
-
- template<typename T> bool get(T* out) const;
-};
-
-/* This is the actual class that holds the value. */
-template<typename T> class Value::Content : public Value::ContentBase {
-public:
- Content() = default;
- explicit Content(const T & value) : mValue(value) { }
-
- virtual ~Content() = default;
-
-#ifdef LIBBINDER_VALUE_SUPPORTS_TYPE_INFO
- virtual const std::type_info &type() const override
- {
- return typeid(T);
- }
-#endif
-
- virtual const void* type_ptr() const override
- {
- return internal_type_ptr<T>();
- }
-
- virtual ContentBase * clone() const override
- {
- return new Content(mValue);
- };
-
- virtual bool operator==(const ContentBase& rhs) const override
- {
- if (type_ptr() != rhs.type_ptr()) {
- return false;
- }
- return mValue == static_cast<const Content<T>* >(&rhs)->mValue;
- }
-
- T mValue;
-};
-
-template<typename T> bool Value::ContentBase::get(T* out) const
-{
- if (internal_type_ptr(*out) != type_ptr())
- {
- return false;
- }
-
- *out = static_cast<const Content<T>*>(this)->mValue;
-
- return true;
-}
-
-// ====================================================================
-
-Value::Value() : mContent(nullptr)
-{
-}
-
-Value::Value(const Value& value)
- : mContent(value.mContent ? value.mContent->clone() : nullptr)
-{
-}
-
-Value::~Value()
-{
- delete mContent;
-}
-
-bool Value::operator==(const Value& rhs) const
-{
- const Value& lhs(*this);
-
- if (lhs.empty() && rhs.empty()) {
- return true;
- }
-
- if ( (lhs.mContent == nullptr)
- || (rhs.mContent == nullptr)
- ) {
- return false;
- }
-
- return *lhs.mContent == *rhs.mContent;
-}
-
-Value& Value::swap(Value &rhs)
-{
- std::swap(mContent, rhs.mContent);
- return *this;
-}
-
-Value& Value::operator=(const Value& rhs)
-{
- if (this != &rhs) {
- delete mContent;
- mContent = rhs.mContent
- ? rhs.mContent->clone()
- : nullptr;
- }
- return *this;
-}
-
-bool Value::empty() const
-{
- return mContent == nullptr;
-}
-
-void Value::clear()
-{
- delete mContent;
- mContent = nullptr;
-}
-
-int32_t Value::parcelType() const
-{
- const void* t_info(mContent ? mContent->type_ptr() : nullptr);
-
- if (t_info == internal_type_ptr<bool>()) return VAL_BOOLEAN;
- if (t_info == internal_type_ptr<uint8_t>()) return VAL_BYTE;
- if (t_info == internal_type_ptr<int32_t>()) return VAL_INTEGER;
- if (t_info == internal_type_ptr<int64_t>()) return VAL_LONG;
- if (t_info == internal_type_ptr<double>()) return VAL_DOUBLE;
- if (t_info == internal_type_ptr<String16>()) return VAL_STRING;
-
- if (t_info == internal_type_ptr<vector<bool>>()) return VAL_BOOLEANARRAY;
- if (t_info == internal_type_ptr<vector<uint8_t>>()) return VAL_BYTEARRAY;
- if (t_info == internal_type_ptr<vector<int32_t>>()) return VAL_INTARRAY;
- if (t_info == internal_type_ptr<vector<int64_t>>()) return VAL_LONGARRAY;
- if (t_info == internal_type_ptr<vector<double>>()) return VAL_DOUBLEARRAY;
- if (t_info == internal_type_ptr<vector<String16>>()) return VAL_STRINGARRAY;
-
- if (t_info == internal_type_ptr<Map>()) return VAL_MAP;
- if (t_info == internal_type_ptr<PersistableBundle>()) return VAL_PERSISTABLEBUNDLE;
-
- return VAL_NULL;
-}
-
-#ifdef LIBBINDER_VALUE_SUPPORTS_TYPE_INFO
-const std::type_info& Value::type() const
-{
- return mContent != nullptr
- ? mContent->type()
- : typeid(void);
-}
-#endif // ifdef LIBBINDER_VALUE_SUPPORTS_TYPE_INFO
-
-#define DEF_TYPE_ACCESSORS(T, TYPENAME) \
- bool Value::is ## TYPENAME() const \
- { \
- return mContent \
- ? internal_type_ptr<T>() == mContent->type_ptr() \
- : false; \
- } \
- bool Value::get ## TYPENAME(T* out) const \
- { \
- return mContent \
- ? mContent->get(out) \
- : false; \
- } \
- void Value::put ## TYPENAME(const T& in) \
- { \
- *this = in; \
- } \
- Value& Value::operator=(const T& rhs) \
- { \
- delete mContent; \
- mContent = new Content< T >(rhs); \
- return *this; \
- } \
- Value::Value(const T& value) \
- : mContent(new Content< T >(value)) \
- { }
-
-DEF_TYPE_ACCESSORS(bool, Boolean)
-DEF_TYPE_ACCESSORS(int8_t, Byte)
-DEF_TYPE_ACCESSORS(int32_t, Int)
-DEF_TYPE_ACCESSORS(int64_t, Long)
-DEF_TYPE_ACCESSORS(double, Double)
-DEF_TYPE_ACCESSORS(String16, String)
-
-DEF_TYPE_ACCESSORS(std::vector<bool>, BooleanVector)
-DEF_TYPE_ACCESSORS(std::vector<uint8_t>, ByteVector)
-DEF_TYPE_ACCESSORS(std::vector<int32_t>, IntVector)
-DEF_TYPE_ACCESSORS(std::vector<int64_t>, LongVector)
-DEF_TYPE_ACCESSORS(std::vector<double>, DoubleVector)
-DEF_TYPE_ACCESSORS(std::vector<String16>, StringVector)
-
-DEF_TYPE_ACCESSORS(::android::binder::Map, Map)
-DEF_TYPE_ACCESSORS(PersistableBundle, PersistableBundle)
-
-bool Value::getString(String8* out) const
-{
- String16 val;
- bool ret = getString(&val);
- if (ret) {
- *out = String8(val);
- }
- return ret;
-}
-
-bool Value::getString(::std::string* out) const
-{
- String8 val;
- bool ret = getString(&val);
- if (ret) {
- *out = val.string();
- }
- return ret;
-}
-
-status_t Value::writeToParcel(Parcel* parcel) const
-{
- // This implementation needs to be kept in sync with the writeValue
- // implementation in frameworks/base/core/java/android/os/Parcel.java
-
-#define BEGIN_HANDLE_WRITE() \
- do { \
- const void* t_info(mContent?mContent->type_ptr():nullptr); \
- if (false) { }
-#define HANDLE_WRITE_TYPE(T, TYPEVAL, TYPEMETHOD) \
- else if (t_info == internal_type_ptr<T>()) { \
- RETURN_IF_FAILED(parcel->writeInt32(TYPEVAL)); \
- RETURN_IF_FAILED(parcel->TYPEMETHOD(static_cast<const Content<T>*>(mContent)->mValue)); \
- }
-#define HANDLE_WRITE_PARCELABLE(T, TYPEVAL) \
- else if (t_info == internal_type_ptr<T>()) { \
- RETURN_IF_FAILED(parcel->writeInt32(TYPEVAL)); \
- RETURN_IF_FAILED(static_cast<const Content<T>*>(mContent)->mValue.writeToParcel(parcel)); \
- }
-#define END_HANDLE_WRITE() \
- else { \
- ALOGE("writeToParcel: Type not supported"); \
- return BAD_TYPE; \
- } \
- } while (false);
-
- BEGIN_HANDLE_WRITE()
-
- HANDLE_WRITE_TYPE(bool, VAL_BOOLEAN, writeBool)
- HANDLE_WRITE_TYPE(int8_t, VAL_BYTE, writeByte)
- HANDLE_WRITE_TYPE(int8_t, VAL_BYTE, writeByte)
- HANDLE_WRITE_TYPE(int32_t, VAL_INTEGER, writeInt32)
- HANDLE_WRITE_TYPE(int64_t, VAL_LONG, writeInt64)
- HANDLE_WRITE_TYPE(double, VAL_DOUBLE, writeDouble)
- HANDLE_WRITE_TYPE(String16, VAL_STRING, writeString16)
-
- HANDLE_WRITE_TYPE(vector<bool>, VAL_BOOLEANARRAY, writeBoolVector)
- HANDLE_WRITE_TYPE(vector<uint8_t>, VAL_BYTEARRAY, writeByteVector)
- HANDLE_WRITE_TYPE(vector<int8_t>, VAL_BYTEARRAY, writeByteVector)
- HANDLE_WRITE_TYPE(vector<int32_t>, VAL_INTARRAY, writeInt32Vector)
- HANDLE_WRITE_TYPE(vector<int64_t>, VAL_LONGARRAY, writeInt64Vector)
- HANDLE_WRITE_TYPE(vector<double>, VAL_DOUBLEARRAY, writeDoubleVector)
- HANDLE_WRITE_TYPE(vector<String16>, VAL_STRINGARRAY, writeString16Vector)
-
- HANDLE_WRITE_PARCELABLE(PersistableBundle, VAL_PERSISTABLEBUNDLE)
-
- END_HANDLE_WRITE()
-
- return NO_ERROR;
-
-#undef BEGIN_HANDLE_WRITE
-#undef HANDLE_WRITE_TYPE
-#undef HANDLE_WRITE_PARCELABLE
-#undef END_HANDLE_WRITE
-}
-
-status_t Value::readFromParcel(const Parcel* parcel)
-{
- // This implementation needs to be kept in sync with the readValue
- // implementation in frameworks/base/core/java/android/os/Parcel.javai
-
-#define BEGIN_HANDLE_READ() \
- switch(value_type) { \
- default: \
- ALOGE("readFromParcel: Parcel type %d is not supported", value_type); \
- return BAD_TYPE;
-#define HANDLE_READ_TYPE(T, TYPEVAL, TYPEMETHOD) \
- case TYPEVAL: \
- mContent = new Content<T>(); \
- RETURN_IF_FAILED(parcel->TYPEMETHOD(&static_cast<Content<T>*>(mContent)->mValue)); \
- break;
-#define HANDLE_READ_PARCELABLE(T, TYPEVAL) \
- case TYPEVAL: \
- mContent = new Content<T>(); \
- RETURN_IF_FAILED(static_cast<Content<T>*>(mContent)->mValue.readFromParcel(parcel)); \
- break;
-#define END_HANDLE_READ() \
- }
-
- int32_t value_type = VAL_NULL;
-
- delete mContent;
- mContent = nullptr;
-
- RETURN_IF_FAILED(parcel->readInt32(&value_type));
-
- BEGIN_HANDLE_READ()
-
- HANDLE_READ_TYPE(bool, VAL_BOOLEAN, readBool)
- HANDLE_READ_TYPE(int8_t, VAL_BYTE, readByte)
- HANDLE_READ_TYPE(int32_t, VAL_INTEGER, readInt32)
- HANDLE_READ_TYPE(int64_t, VAL_LONG, readInt64)
- HANDLE_READ_TYPE(double, VAL_DOUBLE, readDouble)
- HANDLE_READ_TYPE(String16, VAL_STRING, readString16)
-
- HANDLE_READ_TYPE(vector<bool>, VAL_BOOLEANARRAY, readBoolVector)
- HANDLE_READ_TYPE(vector<uint8_t>, VAL_BYTEARRAY, readByteVector)
- HANDLE_READ_TYPE(vector<int32_t>, VAL_INTARRAY, readInt32Vector)
- HANDLE_READ_TYPE(vector<int64_t>, VAL_LONGARRAY, readInt64Vector)
- HANDLE_READ_TYPE(vector<double>, VAL_DOUBLEARRAY, readDoubleVector)
- HANDLE_READ_TYPE(vector<String16>, VAL_STRINGARRAY, readString16Vector)
-
- HANDLE_READ_PARCELABLE(PersistableBundle, VAL_PERSISTABLEBUNDLE)
-
- END_HANDLE_READ()
-
- return NO_ERROR;
-
-#undef BEGIN_HANDLE_READ
-#undef HANDLE_READ_TYPE
-#undef HANDLE_READ_PARCELABLE
-#undef END_HANDLE_READ
-}
-
-} // namespace binder
-
-} // namespace android
-
-/* vim: set ts=4 sw=4 tw=0 et :*/
diff --git a/libs/binder/aidl/android/os/IServiceManager.aidl b/libs/binder/aidl/android/os/IServiceManager.aidl
new file mode 100644
index 0000000..50a72aa
--- /dev/null
+++ b/libs/binder/aidl/android/os/IServiceManager.aidl
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.os;
+
+/**
+ * Basic interface for finding and publishing system services.
+ *
+ * You likely want to use android.os.ServiceManager in Java or
+ * android::IServiceManager in C++ in order to use this interface.
+ *
+ * @hide
+ */
+interface IServiceManager {
+ /*
+ * Must update values in IServiceManager.h
+ */
+ /* Allows services to dump sections according to priorities. */
+ const int DUMP_FLAG_PRIORITY_CRITICAL = 1; // 1 << 0
+ const int DUMP_FLAG_PRIORITY_HIGH = 2; // 1 << 1
+ const int DUMP_FLAG_PRIORITY_NORMAL = 4; // 1 << 2
+ /**
+ * Services are by default registered with a DEFAULT dump priority. DEFAULT priority has the
+ * same priority as NORMAL priority but the services are not called with dump priority
+ * arguments.
+ */
+ const int DUMP_FLAG_PRIORITY_DEFAULT = 8; // 1 << 3
+
+ const int DUMP_FLAG_PRIORITY_ALL = 15;
+ // DUMP_FLAG_PRIORITY_CRITICAL | DUMP_FLAG_PRIORITY_HIGH
+ // | DUMP_FLAG_PRIORITY_NORMAL | DUMP_FLAG_PRIORITY_DEFAULT;
+
+ /* Allows services to dump sections in protobuf format. */
+ const int DUMP_FLAG_PROTO = 16; // 1 << 4
+
+ /**
+ * Retrieve an existing service called @a name from the
+ * service manager.
+ *
+ * This is the same as checkService (returns immediately) but
+ * exists for legacy purposes.
+ *
+ * Returns null if the service does not exist.
+ */
+ @UnsupportedAppUsage
+ IBinder getService(@utf8InCpp String name);
+
+ /**
+ * Retrieve an existing service called @a name from the service
+ * manager. Non-blocking. Returns null if the service does not
+ * exist.
+ */
+ @UnsupportedAppUsage
+ IBinder checkService(@utf8InCpp String name);
+
+ /**
+ * Place a new @a service called @a name into the service
+ * manager.
+ */
+ void addService(@utf8InCpp String name, IBinder service,
+ boolean allowIsolated, int dumpPriority);
+
+ /**
+ * Return a list of all currently running services.
+ */
+ @utf8InCpp String[] listServices(int dumpPriority);
+}
diff --git a/libs/binder/include/binder/Binder.h b/libs/binder/include/binder/Binder.h
index cf3ef84..dec75f5 100644
--- a/libs/binder/include/binder/Binder.h
+++ b/libs/binder/include/binder/Binder.h
@@ -38,7 +38,7 @@
virtual status_t transact( uint32_t code,
const Parcel& data,
Parcel* reply,
- uint32_t flags = 0);
+ uint32_t flags = 0) final;
// NOLINTNEXTLINE(google-default-arguments)
virtual status_t linkToDeath(const sp<DeathRecipient>& recipient,
@@ -54,9 +54,9 @@
virtual void attachObject( const void* objectID,
void* object,
void* cleanupCookie,
- object_cleanup_func func);
- virtual void* findObject(const void* objectID) const;
- virtual void detachObject(const void* objectID);
+ object_cleanup_func func) final;
+ virtual void* findObject(const void* objectID) const final;
+ virtual void detachObject(const void* objectID) final;
virtual BBinder* localBinder();
diff --git a/libs/binder/include/binder/BpBinder.h b/libs/binder/include/binder/BpBinder.h
index 78f2e1d..28599f4 100644
--- a/libs/binder/include/binder/BpBinder.h
+++ b/libs/binder/include/binder/BpBinder.h
@@ -34,7 +34,7 @@
public:
static BpBinder* create(int32_t handle);
- inline int32_t handle() const { return mHandle; }
+ int32_t handle() const;
virtual const String16& getInterfaceDescriptor() const;
virtual bool isBinderAlive() const;
@@ -45,7 +45,7 @@
virtual status_t transact( uint32_t code,
const Parcel& data,
Parcel* reply,
- uint32_t flags = 0);
+ uint32_t flags = 0) final;
// NOLINTNEXTLINE(google-default-arguments)
virtual status_t linkToDeath(const sp<DeathRecipient>& recipient,
@@ -61,9 +61,9 @@
virtual void attachObject( const void* objectID,
void* object,
void* cleanupCookie,
- object_cleanup_func func);
- virtual void* findObject(const void* objectID) const;
- virtual void detachObject(const void* objectID);
+ object_cleanup_func func) final;
+ virtual void* findObject(const void* objectID) const final;
+ virtual void detachObject(const void* objectID) final;
virtual BpBinder* remoteBinder();
diff --git a/libs/binder/include/binder/IPCThreadState.h b/libs/binder/include/binder/IPCThreadState.h
index 614b0b3..b810f7e 100644
--- a/libs/binder/include/binder/IPCThreadState.h
+++ b/libs/binder/include/binder/IPCThreadState.h
@@ -110,6 +110,8 @@
// the maximum number of binder threads threads allowed for this process.
void blockUntilThreadAvailable();
+ // Service manager registration
+ void setTheContextObject(sp<BBinder> obj);
// Is this thread currently serving a binder call. This method
// returns true if while traversing backwards from the function call
diff --git a/libs/binder/include/binder/IServiceManager.h b/libs/binder/include/binder/IServiceManager.h
index aeea1a2..30786fa 100644
--- a/libs/binder/include/binder/IServiceManager.h
+++ b/libs/binder/include/binder/IServiceManager.h
@@ -71,13 +71,6 @@
*/
// NOLINTNEXTLINE(google-default-arguments)
virtual Vector<String16> listServices(int dumpsysFlags = DUMP_FLAG_PRIORITY_ALL) = 0;
-
- enum {
- GET_SERVICE_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION,
- CHECK_SERVICE_TRANSACTION,
- ADD_SERVICE_TRANSACTION,
- LIST_SERVICES_TRANSACTION,
- };
};
sp<IServiceManager> defaultServiceManager();
diff --git a/libs/binder/include/binder/Map.h b/libs/binder/include/binder/Map.h
deleted file mode 100644
index 96a4f8a..0000000
--- a/libs/binder/include/binder/Map.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2005 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_MAP_H
-#define ANDROID_MAP_H
-
-#include <map>
-#include <string>
-
-// ---------------------------------------------------------------------------
-namespace android {
-namespace binder {
-
-class Value;
-
-/**
- * Convenience typedef for ::std::map<::std::string,::android::binder::Value>
- */
-typedef ::std::map<::std::string, Value> Map;
-
-} // namespace binder
-} // namespace android
-
-// ---------------------------------------------------------------------------
-
-#endif // ANDROID_MAP_H
diff --git a/libs/binder/include/binder/Parcel.h b/libs/binder/include/binder/Parcel.h
index 0cdabb0..50ca983 100644
--- a/libs/binder/include/binder/Parcel.h
+++ b/libs/binder/include/binder/Parcel.h
@@ -17,6 +17,7 @@
#ifndef ANDROID_PARCEL_H
#define ANDROID_PARCEL_H
+#include <map> // for legacy reasons
#include <string>
#include <vector>
@@ -32,7 +33,6 @@
#include <binder/IInterface.h>
#include <binder/Parcelable.h>
-#include <binder/Map.h>
// ---------------------------------------------------------------------------
namespace android {
@@ -67,7 +67,7 @@
status_t setDataSize(size_t size);
void setDataPosition(size_t pos) const;
status_t setDataCapacity(size_t size);
-
+
status_t setData(const uint8_t* buffer, size_t len);
status_t appendFrom(const Parcel *parcel,
@@ -97,10 +97,6 @@
void freeData();
-private:
- const binder_size_t* objects() const;
-
-public:
size_t objectsCount() const;
status_t errorCheck() const;
@@ -121,7 +117,6 @@
status_t writeString16(const std::unique_ptr<String16>& str);
status_t writeString16(const char16_t* str, size_t len);
status_t writeStrongBinder(const sp<IBinder>& val);
- status_t writeWeakBinder(const wp<IBinder>& val);
status_t writeInt32Array(size_t len, const int32_t *val);
status_t writeByteArray(size_t len, const uint8_t *val);
status_t writeBool(bool val);
@@ -172,8 +167,6 @@
status_t writeParcelable(const Parcelable& parcelable);
- status_t writeValue(const binder::Value& value);
-
template<typename T>
status_t write(const Flattenable<T>& val);
@@ -185,9 +178,6 @@
template<typename T>
status_t writeVectorSize(const std::unique_ptr<std::vector<T>>& val);
- status_t writeMap(const binder::Map& map);
- status_t writeNullableMap(const std::unique_ptr<binder::Map>& map);
-
// Place a native_handle into the parcel (the native_handle's file-
// descriptors are dup'ed, so it is safe to delete the native_handle
// when this function returns).
@@ -244,8 +234,6 @@
// Currently the native implementation doesn't do any of the StrictMode
// stack gathering and serialization that the Java implementation does.
status_t writeNoException();
-
- void remove(size_t start, size_t amt);
status_t read(void* outData, size_t len) const;
const void* readInplace(size_t len) const;
@@ -284,7 +272,6 @@
sp<IBinder> readStrongBinder() const;
status_t readStrongBinder(sp<IBinder>* val) const;
status_t readNullableStrongBinder(sp<IBinder>* val) const;
- wp<IBinder> readWeakBinder() const;
template<typename T>
status_t readParcelableVector(
@@ -297,8 +284,6 @@
template<typename T>
status_t readParcelable(std::unique_ptr<T>* parcelable) const;
- status_t readValue(binder::Value* value) const;
-
template<typename T>
status_t readStrongBinder(sp<T>* val) const;
@@ -344,9 +329,6 @@
template<typename T>
status_t resizeOutVector(std::unique_ptr<std::vector<T>>* val) const;
- status_t readMap(binder::Map* map)const;
- status_t readNullableMap(std::unique_ptr<binder::Map>* map) const;
-
// Like Parcel.java's readExceptionCode(). Reads the first int32
// off of a Parcel's header, returning 0 or the negative error
// code on exceptions, but also deals with skipping over rich
@@ -437,7 +419,13 @@
void scanForFds() const;
status_t validateReadData(size_t len) const;
void updateWorkSourceRequestHeaderPosition() const;
-
+
+ status_t finishFlattenBinder(const sp<IBinder>& binder,
+ const flat_binder_object& flat);
+ status_t finishUnflattenBinder(const sp<IBinder>& binder, sp<IBinder>* out) const;
+ status_t flattenBinder(const sp<IBinder>& binder);
+ status_t unflattenBinder(sp<IBinder>* out) const;
+
template<class T>
status_t readAligned(T *pArg) const;
diff --git a/libs/binder/include/binder/ProcessState.h b/libs/binder/include/binder/ProcessState.h
index 1622ba2..8339976 100644
--- a/libs/binder/include/binder/ProcessState.h
+++ b/libs/binder/include/binder/ProcessState.h
@@ -36,8 +36,6 @@
public:
static sp<ProcessState> self();
static sp<ProcessState> selfOrNull();
- // Note: don't call self() or selfOrNull() before initWithMmapSize()
- static sp<ProcessState> initWithMmapSize(size_t mmapSize); // size in bytes
/* initWithDriver() can be used to configure libbinder to use
* a different binder driver dev node. It must be called *before*
@@ -47,27 +45,19 @@
*/
static sp<ProcessState> initWithDriver(const char *driver);
- void setContextObject(const sp<IBinder>& object);
sp<IBinder> getContextObject(const sp<IBinder>& caller);
-
- void setContextObject(const sp<IBinder>& object,
- const String16& name);
- sp<IBinder> getContextObject(const String16& name,
- const sp<IBinder>& caller);
void startThreadPool();
typedef bool (*context_check_func)(const String16& name,
const sp<IBinder>& caller,
void* userData);
-
- bool isContextManager(void) const;
+
bool becomeContextManager(
context_check_func checkFunc,
void* userData);
sp<IBinder> getStrongProxyForHandle(int32_t handle);
- wp<IBinder> getWeakProxyForHandle(int32_t handle);
void expungeHandle(int32_t handle, IBinder* binder);
void spawnPooledThread(bool isMain);
@@ -78,7 +68,6 @@
String8 getDriverName();
ssize_t getKernelReferences(size_t count, uintptr_t* buf);
- size_t getMmapSize();
enum class CallRestriction {
// all calls okay
@@ -95,7 +84,7 @@
private:
friend class IPCThreadState;
- explicit ProcessState(const char* driver, size_t mmap_size);
+ explicit ProcessState(const char* driver);
~ProcessState();
ProcessState(const ProcessState& o);
@@ -124,23 +113,15 @@
int64_t mStarvationStartTimeMs;
mutable Mutex mLock; // protects everything below.
- // TODO: mManagesContexts is often accessed without the lock.
- // Explain why that's safe.
Vector<handle_entry>mHandleToObject;
- bool mManagesContexts;
context_check_func mBinderContextCheckFunc;
void* mBinderContextUserData;
- KeyedVector<String16, sp<IBinder> >
- mContexts;
-
-
String8 mRootDir;
bool mThreadPoolStarted;
volatile int32_t mThreadPoolSeq;
- const size_t mMmapSize;
CallRestriction mCallRestriction;
};
diff --git a/libs/binder/include/binder/Stability.h b/libs/binder/include/binder/Stability.h
new file mode 100644
index 0000000..f8240e4
--- /dev/null
+++ b/libs/binder/include/binder/Stability.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <binder/IBinder.h>
+#include <string>
+
+namespace android {
+
+class BpBinder;
+class ProcessState;
+
+namespace internal {
+
+// WARNING: These APIs are only ever expected to be called by auto-generated code.
+// Instead of calling them, you should set the stability of a .aidl interface
+class Stability final {
+public:
+ // WARNING: This is only ever expected to be called by auto-generated code. You likely want to
+ // change or modify the stability class of the interface you are using.
+ // This must be called as soon as the binder in question is constructed. No thread safety
+ // is provided.
+ // E.g. stability is according to libbinder compilation unit
+ static void markCompilationUnit(IBinder* binder);
+ // WARNING: This is only ever expected to be called by auto-generated code. You likely want to
+ // change or modify the stability class of the interface you are using.
+ // This must be called as soon as the binder in question is constructed. No thread safety
+ // is provided.
+ // E.g. stability is according to libbinder_ndk or Java SDK AND the interface
+ // expressed here is guaranteed to be stable for multiple years (Stable AIDL)
+ static void markVintf(IBinder* binder);
+
+ // WARNING: for debugging only
+ static void debugLogStability(const std::string& tag, const sp<IBinder>& binder);
+
+ // WARNING: This is only ever expected to be called by auto-generated code or tests.
+ // You likely want to change or modify the stability of the interface you are using.
+ // This must be called as soon as the binder in question is constructed. No thread safety
+ // is provided.
+ // E.g. stability is according to libbinder_ndk or Java SDK AND the interface
+ // expressed here is guaranteed to be stable for multiple years (Stable AIDL)
+ // If this is called when __ANDROID_VNDK__ is not defined, then it is UB and will likely
+ // break the device during GSI or other tests.
+ static void markVndk(IBinder* binder);
+
+private:
+ // Parcel needs to read/write stability level in an unstable format.
+ friend ::android::Parcel;
+
+ // only expose internal APIs inside of libbinder, for checking stability
+ friend ::android::BpBinder;
+
+ // so that it can mark the context object (only the root object doesn't go
+ // through Parcel)
+ friend ::android::ProcessState;
+
+ static void tryMarkCompilationUnit(IBinder* binder);
+
+ enum Level : int32_t {
+ UNDECLARED = 0,
+
+ VENDOR = 0b000011,
+ SYSTEM = 0b001100,
+ VINTF = 0b111111,
+ };
+
+#ifdef __ANDROID_VNDK__
+ static constexpr Level kLocalStability = Level::VENDOR;
+#else
+ static constexpr Level kLocalStability = Level::SYSTEM;
+#endif
+
+ // applies stability to binder if stability level is known
+ __attribute__((warn_unused_result))
+ static status_t set(IBinder* binder, int32_t stability, bool log);
+
+ static Level get(IBinder* binder);
+
+ static bool check(int32_t provided, Level required);
+
+ static bool isDeclaredStability(int32_t stability);
+ static std::string stabilityString(int32_t stability);
+
+ Stability();
+};
+
+} // namespace internal
+} // namespace android
diff --git a/libs/binder/include/binder/Value.h b/libs/binder/include/binder/Value.h
deleted file mode 100644
index 735f40e..0000000
--- a/libs/binder/include/binder/Value.h
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_VALUE_H
-#define ANDROID_VALUE_H
-
-#include <stdint.h>
-#include <map>
-#include <set>
-#include <vector>
-#include <string>
-
-#include <binder/Parcelable.h>
-#include <binder/PersistableBundle.h>
-#include <binder/Map.h>
-#include <utils/String8.h>
-#include <utils/String16.h>
-#include <utils/StrongPointer.h>
-
-namespace android {
-
-class Parcel;
-
-namespace binder {
-
-/**
- * A limited C++ generic type. The purpose of this class is to allow C++
- * programs to make use of (or implement) Binder interfaces which make use
- * the Java "Object" generic type (either via the use of the Map type or
- * some other mechanism).
- *
- * This class only supports a limited set of types, but additional types
- * may be easily added to this class in the future as needed---without
- * breaking binary compatability.
- *
- * This class was written in such a way as to help avoid type errors by
- * giving each type their own explicity-named accessor methods (rather than
- * overloaded methods).
- *
- * When reading or writing this class to a Parcel, use the `writeValue()`
- * and `readValue()` methods.
- */
-class Value {
-public:
- Value();
- virtual ~Value();
-
- Value& swap(Value &);
-
- bool empty() const;
-
- void clear();
-
-#ifdef LIBBINDER_VALUE_SUPPORTS_TYPE_INFO
- const std::type_info& type() const;
-#endif
-
- int32_t parcelType() const;
-
- bool operator==(const Value& rhs) const;
- bool operator!=(const Value& rhs) const { return !this->operator==(rhs); }
-
- Value(const Value& value);
- Value(const bool& value); // NOLINT(google-explicit-constructor)
- Value(const int8_t& value); // NOLINT(google-explicit-constructor)
- Value(const int32_t& value); // NOLINT(google-explicit-constructor)
- Value(const int64_t& value); // NOLINT(google-explicit-constructor)
- Value(const double& value); // NOLINT(google-explicit-constructor)
- Value(const String16& value); // NOLINT(google-explicit-constructor)
- Value(const std::vector<bool>& value); // NOLINT(google-explicit-constructor)
- Value(const std::vector<uint8_t>& value); // NOLINT(google-explicit-constructor)
- Value(const std::vector<int32_t>& value); // NOLINT(google-explicit-constructor)
- Value(const std::vector<int64_t>& value); // NOLINT(google-explicit-constructor)
- Value(const std::vector<double>& value); // NOLINT(google-explicit-constructor)
- Value(const std::vector<String16>& value); // NOLINT(google-explicit-constructor)
- Value(const os::PersistableBundle& value); // NOLINT(google-explicit-constructor)
- Value(const binder::Map& value); // NOLINT(google-explicit-constructor)
-
- Value& operator=(const Value& rhs);
- Value& operator=(const int8_t& rhs);
- Value& operator=(const bool& rhs);
- Value& operator=(const int32_t& rhs);
- Value& operator=(const int64_t& rhs);
- Value& operator=(const double& rhs);
- Value& operator=(const String16& rhs);
- Value& operator=(const std::vector<bool>& rhs);
- Value& operator=(const std::vector<uint8_t>& rhs);
- Value& operator=(const std::vector<int32_t>& rhs);
- Value& operator=(const std::vector<int64_t>& rhs);
- Value& operator=(const std::vector<double>& rhs);
- Value& operator=(const std::vector<String16>& rhs);
- Value& operator=(const os::PersistableBundle& rhs);
- Value& operator=(const binder::Map& rhs);
-
- void putBoolean(const bool& value);
- void putByte(const int8_t& value);
- void putInt(const int32_t& value);
- void putLong(const int64_t& value);
- void putDouble(const double& value);
- void putString(const String16& value);
- void putBooleanVector(const std::vector<bool>& value);
- void putByteVector(const std::vector<uint8_t>& value);
- void putIntVector(const std::vector<int32_t>& value);
- void putLongVector(const std::vector<int64_t>& value);
- void putDoubleVector(const std::vector<double>& value);
- void putStringVector(const std::vector<String16>& value);
- void putPersistableBundle(const os::PersistableBundle& value);
- void putMap(const binder::Map& value);
-
- bool getBoolean(bool* out) const;
- bool getByte(int8_t* out) const;
- bool getInt(int32_t* out) const;
- bool getLong(int64_t* out) const;
- bool getDouble(double* out) const;
- bool getString(String16* out) const;
- bool getBooleanVector(std::vector<bool>* out) const;
- bool getByteVector(std::vector<uint8_t>* out) const;
- bool getIntVector(std::vector<int32_t>* out) const;
- bool getLongVector(std::vector<int64_t>* out) const;
- bool getDoubleVector(std::vector<double>* out) const;
- bool getStringVector(std::vector<String16>* out) const;
- bool getPersistableBundle(os::PersistableBundle* out) const;
- bool getMap(binder::Map* out) const;
-
- bool isBoolean() const;
- bool isByte() const;
- bool isInt() const;
- bool isLong() const;
- bool isDouble() const;
- bool isString() const;
- bool isBooleanVector() const;
- bool isByteVector() const;
- bool isIntVector() const;
- bool isLongVector() const;
- bool isDoubleVector() const;
- bool isStringVector() const;
- bool isPersistableBundle() const;
- bool isMap() const;
-
- // String Convenience Adapters
- // ---------------------------
-
- explicit Value(const String8& value): Value(String16(value)) { }
- explicit Value(const ::std::string& value): Value(String8(value.c_str())) { }
- void putString(const String8& value) { return putString(String16(value)); }
- void putString(const ::std::string& value) { return putString(String8(value.c_str())); }
- Value& operator=(const String8& rhs) { return *this = String16(rhs); }
- Value& operator=(const ::std::string& rhs) { return *this = String8(rhs.c_str()); }
- bool getString(String8* out) const;
- bool getString(::std::string* out) const;
-
-private:
-
- // This allows ::android::Parcel to call the two methods below.
- friend class ::android::Parcel;
-
- // This is called by ::android::Parcel::writeValue()
- status_t writeToParcel(Parcel* parcel) const;
-
- // This is called by ::android::Parcel::readValue()
- status_t readFromParcel(const Parcel* parcel);
-
- template<typename T> class Content;
- class ContentBase;
-
- ContentBase* mContent;
-};
-
-} // namespace binder
-
-} // namespace android
-
-#endif // ANDROID_VALUE_H
diff --git a/libs/binder/ndk/Android.bp b/libs/binder/ndk/Android.bp
index 21bef2e..734a928 100644
--- a/libs/binder/ndk/Android.bp
+++ b/libs/binder/ndk/Android.bp
@@ -14,13 +14,12 @@
* limitations under the License.
*/
-cc_library {
+cc_library_shared {
name: "libbinder_ndk",
- vendor_available: true,
export_include_dirs: [
"include_ndk",
- "include_apex",
+ "include_platform",
],
cflags: [
@@ -34,6 +33,7 @@
"ibinder_jni.cpp",
"parcel.cpp",
"process.cpp",
+ "stability.cpp",
"status.cpp",
"service_manager.cpp",
],
@@ -55,7 +55,7 @@
version_script: "libbinder_ndk.map.txt",
stubs: {
symbol_file: "libbinder_ndk.map.txt",
- versions: ["29"],
+ versions: ["29", "30"],
},
}
@@ -74,3 +74,12 @@
symbol_file: "libbinder_ndk.map.txt",
first_version: "29",
}
+
+llndk_library {
+ name: "libbinder_ndk",
+ symbol_file: "libbinder_ndk.map.txt",
+ export_include_dirs: [
+ "include_ndk",
+ "include_platform",
+ ],
+}
diff --git a/libs/binder/ndk/include_apex/android/binder_manager.h b/libs/binder/ndk/include_platform/android/binder_manager.h
similarity index 100%
rename from libs/binder/ndk/include_apex/android/binder_manager.h
rename to libs/binder/ndk/include_platform/android/binder_manager.h
diff --git a/libs/binder/ndk/include_apex/android/binder_process.h b/libs/binder/ndk/include_platform/android/binder_process.h
similarity index 92%
rename from libs/binder/ndk/include_apex/android/binder_process.h
rename to libs/binder/ndk/include_platform/android/binder_process.h
index 69e6387..fdefbb4 100644
--- a/libs/binder/ndk/include_apex/android/binder_process.h
+++ b/libs/binder/ndk/include_platform/android/binder_process.h
@@ -27,7 +27,7 @@
void ABinderProcess_startThreadPool();
/**
* This sets the maximum number of threads that can be started in the threadpool. By default, after
- * startThreadPool is called, this is one. If it is called additional times, it will only prevent
+ * startThreadPool is called, this is 15. If it is called additional times, it will only prevent
* the kernel from starting new threads and will not delete already existing threads.
*/
bool ABinderProcess_setThreadPoolMaxThreadCount(uint32_t numThreads);
diff --git a/libs/binder/ndk/include_platform/android/binder_stability.h b/libs/binder/ndk/include_platform/android/binder_stability.h
new file mode 100644
index 0000000..e6aeb04
--- /dev/null
+++ b/libs/binder/ndk/include_platform/android/binder_stability.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <android/binder_ibinder.h>
+
+__BEGIN_DECLS
+
+#ifdef __ANDROID_VNDK__
+
+/**
+ * This interface has the stability of the vendor image.
+ */
+void AIBinder_markVendorStability(AIBinder* binder);
+
+static inline void AIBinder_markCompilationUnitStability(AIBinder* binder) {
+ AIBinder_markVendorStability(binder);
+}
+
+#else // ndef defined __ANDROID_VNDK__
+
+/**
+ * This interface has the stability of the system image.
+ */
+void AIBinder_markSystemStability(AIBinder* binder);
+
+static inline void AIBinder_markCompilationUnitStability(AIBinder* binder) {
+ AIBinder_markSystemStability(binder);
+}
+
+#endif // ifdef __ANDROID_VNDK__
+
+/**
+ * This interface has system<->vendor stability
+ */
+void AIBinder_markVintfStability(AIBinder* binder);
+
+__END_DECLS
diff --git a/libs/binder/ndk/libbinder_ndk.map.txt b/libs/binder/ndk/libbinder_ndk.map.txt
index 7e65817..feedde6 100644
--- a/libs/binder/ndk/libbinder_ndk.map.txt
+++ b/libs/binder/ndk/libbinder_ndk.map.txt
@@ -89,12 +89,21 @@
AStatus_getStatus;
AStatus_isOk;
AStatus_newOk;
- ABinderProcess_joinThreadPool; # apex
- ABinderProcess_setThreadPoolMaxThreadCount; # apex
- ABinderProcess_startThreadPool; # apex
- AServiceManager_addService; # apex
- AServiceManager_checkService; # apex
- AServiceManager_getService; # apex
+ ABinderProcess_joinThreadPool; # apex vndk
+ ABinderProcess_setThreadPoolMaxThreadCount; # apex vndk
+ ABinderProcess_startThreadPool; # apex vndk
+ AServiceManager_addService; # apex vndk
+ AServiceManager_checkService; # apex vndk
+ AServiceManager_getService; # apex vndk
+ local:
+ *;
+};
+
+LIBBINDER_NDK30 { # introduced=30
+ global:
+ AIBinder_markSystemStability; # apex
+ AIBinder_markVendorStability; # vndk
+ AIBinder_markVintfStability; # apex vndk
local:
*;
};
diff --git a/libs/binder/ndk/scripts/init_map.sh b/libs/binder/ndk/scripts/init_map.sh
deleted file mode 100755
index 3529b72..0000000
--- a/libs/binder/ndk/scripts/init_map.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/usr/bin/env bash
-
-# Simple helper for ease of development until this API is frozen.
-
-echo "LIBBINDER_NDK { # introduced=29"
-echo " global:"
-{
- grep -oP "AIBinder_[a-zA-Z0-9_]+(?=\()" include_ndk/android/binder_ibinder.h;
- grep -oP "AIBinder_[a-zA-Z0-9_]+(?=\()" include_ndk/android/binder_ibinder_jni.h;
- grep -oP "AParcel_[a-zA-Z0-9_]+(?=\()" include_ndk/android/binder_parcel.h;
- grep -oP "AStatus_[a-zA-Z0-9_]+(?=\()" include_ndk/android/binder_status.h;
-} | sort | uniq | awk '{ print " " $0 ";"; }'
-{
- grep -oP "AServiceManager_[a-zA-Z0-9_]+(?=\()" include_apex/android/binder_manager.h;
- grep -oP "ABinderProcess_[a-zA-Z0-9_]+(?=\()" include_apex/android/binder_process.h;
-} | sort | uniq | awk '{ print " " $0 "; # apex"; }'
-echo " local:"
-echo " *;"
-echo "};"
diff --git a/libs/binder/ndk/stability.cpp b/libs/binder/ndk/stability.cpp
new file mode 100644
index 0000000..a5b3ece
--- /dev/null
+++ b/libs/binder/ndk/stability.cpp
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android/binder_stability.h>
+
+#include <binder/Stability.h>
+#include "ibinder_internal.h"
+
+#include <log/log.h>
+
+using ::android::internal::Stability;
+
+#ifdef __ANDROID_VNDK__
+#error libbinder_ndk should only be built in a system context
+#endif
+
+#ifdef __ANDROID_NDK__
+#error libbinder_ndk should only be built in a system context
+#endif
+
+// explicit extern because symbol is only declared in header when __ANDROID_VNDK__
+extern "C" void AIBinder_markVendorStability(AIBinder* binder) {
+ Stability::markVndk(binder->getBinder().get());
+}
+
+void AIBinder_markSystemStability(AIBinder* binder) {
+ Stability::markCompilationUnit(binder->getBinder().get());
+}
+
+void AIBinder_markVintfStability(AIBinder* binder) {
+ Stability::markVintf(binder->getBinder().get());
+}
diff --git a/libs/binder/ndk/test/Android.bp b/libs/binder/ndk/test/Android.bp
index 8cd4e03..bb1fe2f 100644
--- a/libs/binder/ndk/test/Android.bp
+++ b/libs/binder/ndk/test/Android.bp
@@ -44,10 +44,10 @@
"libandroid_runtime_lazy",
"libbase",
"libbinder",
+ "libbinder_ndk",
"libutils",
],
static_libs: [
- "libbinder_ndk",
"test_libbinder_ndk_library",
],
}
diff --git a/libs/binder/ndk/update.sh b/libs/binder/ndk/update.sh
index 9a4577f..1eba892 100755
--- a/libs/binder/ndk/update.sh
+++ b/libs/binder/ndk/update.sh
@@ -20,4 +20,3 @@
# This script makes sure that the source code is in sync with the various scripts
./scripts/gen_parcel_helper.py
./scripts/format.sh
-./scripts/init_map.sh > libbinder_ndk.map.txt
diff --git a/libs/binder/tests/Android.bp b/libs/binder/tests/Android.bp
index c451780..bc457ce 100644
--- a/libs/binder/tests/Android.bp
+++ b/libs/binder/tests/Android.bp
@@ -19,45 +19,34 @@
cflags: [
"-Wall",
"-Werror",
- "-Wno-unused-private-field",
- "-Wno-unused-variable",
],
}
cc_test {
name: "binderDriverInterfaceTest_IPC_32",
- srcs: ["binderDriverInterfaceTest.cpp"],
defaults: ["binder_test_defaults"],
+ srcs: ["binderDriverInterfaceTest.cpp"],
compile_multilib: "32",
cflags: ["-DBINDER_IPC_32BIT=1"],
}
cc_test {
+ name: "binderDriverInterfaceTest",
+ defaults: ["binder_test_defaults"],
product_variables: {
binder32bit: {
cflags: ["-DBINDER_IPC_32BIT=1"],
},
},
- name: "binderDriverInterfaceTest",
srcs: ["binderDriverInterfaceTest.cpp"],
- defaults: ["binder_test_defaults"],
-}
-
-cc_test {
- name: "binderValueTypeTest",
- srcs: ["binderValueTypeTest.cpp"],
- defaults: ["binder_test_defaults"],
- shared_libs: [
- "libbinder",
- "libutils",
- ],
+ test_suites: ["device-tests"],
}
cc_test {
name: "binderLibTest_IPC_32",
- srcs: ["binderLibTest.cpp"],
defaults: ["binder_test_defaults"],
+ srcs: ["binderLibTest.cpp"],
shared_libs: [
"libbinder",
"libutils",
@@ -67,25 +56,26 @@
}
cc_test {
+ name: "binderLibTest",
+ defaults: ["binder_test_defaults"],
product_variables: {
binder32bit: {
cflags: ["-DBINDER_IPC_32BIT=1"],
},
},
- defaults: ["binder_test_defaults"],
- name: "binderLibTest",
srcs: ["binderLibTest.cpp"],
shared_libs: [
"libbinder",
"libutils",
],
+ test_suites: ["device-tests"],
}
cc_test {
name: "binderThroughputTest",
- srcs: ["binderThroughputTest.cpp"],
defaults: ["binder_test_defaults"],
+ srcs: ["binderThroughputTest.cpp"],
shared_libs: [
"libbinder",
"libutils",
@@ -101,19 +91,20 @@
cc_test {
name: "binderTextOutputTest",
- srcs: ["binderTextOutputTest.cpp"],
defaults: ["binder_test_defaults"],
+ srcs: ["binderTextOutputTest.cpp"],
shared_libs: [
"libbinder",
"libutils",
"libbase",
],
+ test_suites: ["device-tests"],
}
cc_test {
name: "schd-dbg",
- srcs: ["schd-dbg.cpp"],
defaults: ["binder_test_defaults"],
+ srcs: ["schd-dbg.cpp"],
shared_libs: [
"libbinder",
"libutils",
@@ -123,8 +114,8 @@
cc_test {
name: "binderSafeInterfaceTest",
- srcs: ["binderSafeInterfaceTest.cpp"],
defaults: ["binder_test_defaults"],
+ srcs: ["binderSafeInterfaceTest.cpp"],
cppflags: [
"-Weverything",
@@ -144,4 +135,33 @@
"liblog",
"libutils",
],
+ test_suites: ["device-tests"],
+}
+
+aidl_interface {
+ name: "binderStabilityTestIface",
+ srcs: [
+ "IBinderStabilityTest.aidl",
+ ],
+}
+
+cc_test {
+ name: "binderStabilityTest",
+ defaults: ["binder_test_defaults"],
+ srcs: [
+ "binderStabilityTest.cpp",
+ ],
+
+ shared_libs: [
+ "libbinder_ndk",
+ "libbinder",
+ "liblog",
+ "libutils",
+ ],
+ static_libs: [
+ "binderStabilityTestIface-cpp",
+ "binderStabilityTestIface-ndk_platform",
+ ],
+
+ test_suites: ["device-tests"],
}
diff --git a/libs/binder/tests/IBinderStabilityTest.aidl b/libs/binder/tests/IBinderStabilityTest.aidl
new file mode 100644
index 0000000..36e1c2c
--- /dev/null
+++ b/libs/binder/tests/IBinderStabilityTest.aidl
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// DO NOT EVER IN A MILLION YEARS WRITE AN INTERFACE LIKE THIS!
+// THIS IS ONLY FOR TESTING!
+interface IBinderStabilityTest {
+ // DO NOT EVER IN A MILLION YEARS WRITE AN INTERFACE LIKE THIS!
+ // THIS IS ONLY FOR TESTING!
+ void sendBinder(IBinder binder);
+
+ // DO NOT EVER IN A MILLION YEARS WRITE AN INTERFACE LIKE THIS!
+ // THIS IS ONLY FOR TESTING!
+ void sendAndCallBinder(IBinder binder);
+
+ // DO NOT EVER IN A MILLION YEARS WRITE AN INTERFACE LIKE THIS!
+ // THIS IS ONLY FOR TESTING!
+ IBinder returnNoStabilityBinder();
+
+ // DO NOT EVER IN A MILLION YEARS WRITE AN INTERFACE LIKE THIS!
+ // THIS IS ONLY FOR TESTING!
+ IBinder returnLocalStabilityBinder();
+
+ // DO NOT EVER IN A MILLION YEARS WRITE AN INTERFACE LIKE THIS!
+ // THIS IS ONLY FOR TESTING!
+ IBinder returnVintfStabilityBinder();
+
+ // DO NOT EVER IN A MILLION YEARS WRITE AN INTERFACE LIKE THIS!
+ // THIS IS ONLY FOR TESTING!
+ IBinder returnVendorStabilityBinder();
+}
+// DO NOT EVER IN A MILLION YEARS WRITE AN INTERFACE LIKE THIS!
+// THIS IS ONLY FOR TESTING!
+// Construct and return a binder with a specific stability
diff --git a/libs/binder/tests/binderDriverInterfaceTest.cpp b/libs/binder/tests/binderDriverInterfaceTest.cpp
index 77ebac8..f3ed6a6 100644
--- a/libs/binder/tests/binderDriverInterfaceTest.cpp
+++ b/libs/binder/tests/binderDriverInterfaceTest.cpp
@@ -230,7 +230,6 @@
}
TEST_F(BinderDriverInterfaceTest, Transaction) {
- binder_uintptr_t cookie = 1234;
struct {
uint32_t cmd1;
struct binder_transaction_data arg1;
diff --git a/libs/binder/tests/binderLibTest.cpp b/libs/binder/tests/binderLibTest.cpp
index 78f1159..9de3460 100644
--- a/libs/binder/tests/binderLibTest.cpp
+++ b/libs/binder/tests/binderLibTest.cpp
@@ -66,7 +66,6 @@
BINDER_LIB_TEST_LINK_DEATH_TRANSACTION,
BINDER_LIB_TEST_WRITE_FILE_TRANSACTION,
BINDER_LIB_TEST_WRITE_PARCEL_FILE_DESCRIPTOR_TRANSACTION,
- BINDER_LIB_TEST_PROMOTE_WEAK_REF_TRANSACTION,
BINDER_LIB_TEST_EXIT_TRANSACTION,
BINDER_LIB_TEST_DELAYED_EXIT_TRANSACTION,
BINDER_LIB_TEST_GET_PTR_SIZE_TRANSACTION,
@@ -553,50 +552,6 @@
ASSERT_TRUE(server != nullptr);
}
-TEST_F(BinderLibTest, DeathNotificationNoRefs)
-{
- status_t ret;
-
- sp<TestDeathRecipient> testDeathRecipient = new TestDeathRecipient();
-
- {
- sp<IBinder> binder = addServer();
- ASSERT_TRUE(binder != nullptr);
- ret = binder->linkToDeath(testDeathRecipient);
- EXPECT_EQ(NO_ERROR, ret);
- }
- IPCThreadState::self()->flushCommands();
- ret = testDeathRecipient->waitEvent(5);
- EXPECT_EQ(NO_ERROR, ret);
-#if 0 /* Is there an unlink api that does not require a strong reference? */
- ret = binder->unlinkToDeath(testDeathRecipient);
- EXPECT_EQ(NO_ERROR, ret);
-#endif
-}
-
-TEST_F(BinderLibTest, DeathNotificationWeakRef)
-{
- status_t ret;
- wp<IBinder> wbinder;
-
- sp<TestDeathRecipient> testDeathRecipient = new TestDeathRecipient();
-
- {
- sp<IBinder> binder = addServer();
- ASSERT_TRUE(binder != nullptr);
- ret = binder->linkToDeath(testDeathRecipient);
- EXPECT_EQ(NO_ERROR, ret);
- wbinder = binder;
- }
- IPCThreadState::self()->flushCommands();
- ret = testDeathRecipient->waitEvent(5);
- EXPECT_EQ(NO_ERROR, ret);
-#if 0 /* Is there an unlink api that does not require a strong reference? */
- ret = binder->unlinkToDeath(testDeathRecipient);
- EXPECT_EQ(NO_ERROR, ret);
-#endif
-}
-
TEST_F(BinderLibTest, DeathNotificationStrongRef)
{
status_t ret;
@@ -814,22 +769,6 @@
EXPECT_TRUE(strong_from_weak == nullptr);
}
-TEST_F(BinderLibTest, PromoteRemote) {
- int ret;
- Parcel data, reply;
- sp<IBinder> strong = new BBinder();
- sp<IBinder> server = addServer();
-
- ASSERT_TRUE(server != nullptr);
- ASSERT_TRUE(strong != nullptr);
-
- ret = data.writeWeakBinder(strong);
- EXPECT_EQ(NO_ERROR, ret);
-
- ret = server->transact(BINDER_LIB_TEST_PROMOTE_WEAK_REF_TRANSACTION, data, &reply);
- EXPECT_GE(ret, 0);
-}
-
TEST_F(BinderLibTest, CheckHandleZeroBinderHighBitsZeroCookie) {
status_t ret;
Parcel data, reply;
@@ -855,7 +794,6 @@
wp<IBinder> keepFreedBinder;
{
Parcel data, reply;
- data.writeBool(false); /* request weak reference */
ret = server->transact(BINDER_LIB_TEST_CREATE_BINDER_TRANSACTION, data, &reply);
ASSERT_EQ(NO_ERROR, ret);
struct flat_binder_object *freed = (struct flat_binder_object *)(reply.data());
@@ -864,8 +802,9 @@
* delete its reference to it - otherwise the transaction
* fails regardless of whether the driver is fixed.
*/
- keepFreedBinder = reply.readWeakBinder();
+ keepFreedBinder = reply.readStrongBinder();
}
+ IPCThreadState::self()->flushCommands();
{
Parcel data, reply;
data.writeStrongBinder(server);
@@ -1015,9 +954,6 @@
TEST_F(BinderLibTest, PropagateFlagSet)
{
- status_t ret;
- Parcel data, reply;
-
IPCThreadState::self()->clearPropagateWorkSource();
IPCThreadState::self()->setCallingWorkSourceUid(100);
EXPECT_EQ(true, IPCThreadState::self()->shouldPropagateWorkSource());
@@ -1025,9 +961,6 @@
TEST_F(BinderLibTest, PropagateFlagCleared)
{
- status_t ret;
- Parcel data, reply;
-
IPCThreadState::self()->setCallingWorkSourceUid(100);
IPCThreadState::self()->clearPropagateWorkSource();
EXPECT_EQ(false, IPCThreadState::self()->shouldPropagateWorkSource());
@@ -1035,9 +968,6 @@
TEST_F(BinderLibTest, PropagateFlagRestored)
{
- status_t ret;
- Parcel data, reply;
-
int token = IPCThreadState::self()->setCallingWorkSourceUid(100);
IPCThreadState::self()->restoreCallingWorkSource(token);
@@ -1136,7 +1066,6 @@
case BINDER_LIB_TEST_ADD_POLL_SERVER:
case BINDER_LIB_TEST_ADD_SERVER: {
int ret;
- uint8_t buf[1] = { 0 };
int serverid;
if (m_id != 0) {
@@ -1334,29 +1263,6 @@
if (ret != size) return UNKNOWN_ERROR;
return NO_ERROR;
}
- case BINDER_LIB_TEST_PROMOTE_WEAK_REF_TRANSACTION: {
- int ret;
- wp<IBinder> weak;
- sp<IBinder> strong;
- Parcel data2, reply2;
- sp<IServiceManager> sm = defaultServiceManager();
- sp<IBinder> server = sm->getService(binderLibTestServiceName);
-
- weak = data.readWeakBinder();
- if (weak == nullptr) {
- return BAD_VALUE;
- }
- strong = weak.promote();
-
- ret = server->transact(BINDER_LIB_TEST_NOP_TRANSACTION, data2, &reply2);
- if (ret != NO_ERROR)
- exit(EXIT_FAILURE);
-
- if (strong == nullptr) {
- reply->setError(1);
- }
- return NO_ERROR;
- }
case BINDER_LIB_TEST_DELAYED_EXIT_TRANSACTION:
alarm(10);
return NO_ERROR;
@@ -1365,13 +1271,8 @@
;
exit(EXIT_SUCCESS);
case BINDER_LIB_TEST_CREATE_BINDER_TRANSACTION: {
- bool strongRef = data.readBool();
sp<IBinder> binder = new BBinder();
- if (strongRef) {
- reply->writeStrongBinder(binder);
- } else {
- reply->writeWeakBinder(binder);
- }
+ reply->writeStrongBinder(binder);
return NO_ERROR;
}
case BINDER_LIB_TEST_GET_WORK_SOURCE_TRANSACTION: {
@@ -1399,7 +1300,6 @@
bool m_serverStartRequested;
sp<IBinder> m_serverStarted;
sp<IBinder> m_strongRef;
- bool m_callbackPending;
sp<IBinder> m_callback;
};
@@ -1461,7 +1361,7 @@
* We simulate a single-threaded process using the binder poll
* interface; besides handling binder commands, it can also
* issue outgoing transactions, by storing a callback in
- * m_callback and setting m_callbackPending.
+ * m_callback.
*
* processPendingCall() will then issue that transaction.
*/
@@ -1488,8 +1388,6 @@
}
int main(int argc, char **argv) {
- int ret;
-
if (argc == 4 && !strcmp(argv[1], "--servername")) {
binderservername = argv[2];
} else {
diff --git a/libs/binder/tests/binderSafeInterfaceTest.cpp b/libs/binder/tests/binderSafeInterfaceTest.cpp
index 3b1db27..09f58cc 100644
--- a/libs/binder/tests/binderSafeInterfaceTest.cpp
+++ b/libs/binder/tests/binderSafeInterfaceTest.cpp
@@ -75,7 +75,7 @@
private:
int32_t mValue = 0;
- uint8_t mPadding[4] = {}; // Avoids a warning from -Wpadded
+ __attribute__((unused)) uint8_t mPadding[4] = {}; // Avoids a warning from -Wpadded
};
struct TestFlattenable : Flattenable<TestFlattenable> {
@@ -743,6 +743,7 @@
const std::vector<TestParcelable> a{TestParcelable{1}, TestParcelable{2}};
std::vector<TestParcelable> aPlusOne;
status_t result = mSafeInterfaceTest->increment(a, &aPlusOne);
+ ASSERT_EQ(NO_ERROR, result);
ASSERT_EQ(a.size(), aPlusOne.size());
for (size_t i = 0; i < a.size(); ++i) {
ASSERT_EQ(a[i].getValue() + 1, aPlusOne[i].getValue());
diff --git a/libs/binder/tests/binderStabilityTest.cpp b/libs/binder/tests/binderStabilityTest.cpp
new file mode 100644
index 0000000..0336b9e
--- /dev/null
+++ b/libs/binder/tests/binderStabilityTest.cpp
@@ -0,0 +1,305 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android/binder_manager.h>
+#include <android/binder_stability.h>
+#include <binder/Binder.h>
+#include <binder/IBinder.h>
+#include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+#include <binder/Parcel.h>
+#include <binder/Stability.h>
+#include <gtest/gtest.h>
+
+#include <sys/prctl.h>
+
+#include "aidl/BnBinderStabilityTest.h"
+#include "BnBinderStabilityTest.h"
+
+using namespace android;
+using namespace ndk;
+using android::binder::Status;
+using android::internal::Stability; // for testing only!
+
+const String16 kSystemStabilityServer = String16("binder_stability_test_service_system");
+
+// This is handwritten so that we can test different stability levels w/o having the AIDL
+// compiler assign them. Hand-writing binder interfaces is considered a bad practice
+// sanity reasons. YOU SHOULD DEFINE AN AIDL INTERFACE INSTEAD!
+class BadStableBinder : public BBinder {
+public:
+ static constexpr uint32_t USER_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION;
+ static String16 kDescriptor;
+
+ bool gotUserTransaction = false;
+
+ static status_t doUserTransaction(const sp<IBinder>& binder) {
+ Parcel data, reply;
+ data.writeInterfaceToken(kDescriptor);
+ return binder->transact(USER_TRANSACTION, data, &reply, 0/*flags*/);
+ }
+
+ status_t onTransact(uint32_t code,
+ const Parcel& data, Parcel* reply, uint32_t flags) override {
+ if (code == USER_TRANSACTION) {
+ // not interested in this kind of stability. Make sure
+ // we have a test failure
+ LOG_ALWAYS_FATAL_IF(!data.enforceInterface(kDescriptor));
+
+ gotUserTransaction = true;
+
+ ALOGE("binder stability: Got user transaction");
+ return OK;
+ }
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+
+ static sp<BadStableBinder> undef() {
+ sp<BadStableBinder> iface = new BadStableBinder();
+ return iface;
+ }
+
+ static sp<BadStableBinder> system() {
+ sp<BadStableBinder> iface = new BadStableBinder();
+ Stability::markCompilationUnit(iface.get()); // <- for test only
+ return iface;
+ }
+
+ static sp<BadStableBinder> vintf() {
+ sp<BadStableBinder> iface = new BadStableBinder();
+ Stability::markVintf(iface.get()); // <- for test only
+ return iface;
+ }
+
+ static sp<BadStableBinder> vendor() {
+ sp<BadStableBinder> iface = new BadStableBinder();
+ Stability::markVndk(iface.get()); // <- for test only
+ return iface;
+ }
+};
+String16 BadStableBinder::kDescriptor = String16("BadStableBinder.test");
+
+// NO! NO! NO! Do not even think of doing something like this!
+// This is for testing! If a class like this was actually used in production,
+// it would ruin everything!
+class MyBinderStabilityTest : public BnBinderStabilityTest {
+public:
+ Status sendBinder(const sp<IBinder>& /*binder*/) override {
+ return Status::ok();
+ }
+ Status sendAndCallBinder(const sp<IBinder>& binder) override {
+ Stability::debugLogStability("sendAndCallBinder got binder", binder);
+ return Status::fromExceptionCode(BadStableBinder::doUserTransaction(binder));
+ }
+ Status returnNoStabilityBinder(sp<IBinder>* _aidl_return) override {
+ *_aidl_return = BadStableBinder::undef();
+ return Status::ok();
+ }
+ Status returnLocalStabilityBinder(sp<IBinder>* _aidl_return) override {
+ *_aidl_return = BadStableBinder::system();
+ return Status::ok();
+ }
+ Status returnVintfStabilityBinder(sp<IBinder>* _aidl_return) override {
+ *_aidl_return = BadStableBinder::vintf();
+ return Status::ok();
+ }
+ Status returnVendorStabilityBinder(sp<IBinder>* _aidl_return) override {
+ *_aidl_return = BadStableBinder::vendor();
+ return Status::ok();
+ }
+};
+
+TEST(BinderStability, CantCallVendorBinderInSystemContext) {
+ sp<IBinder> serverBinder = android::defaultServiceManager()->getService(kSystemStabilityServer);
+ auto server = interface_cast<IBinderStabilityTest>(serverBinder);
+
+ ASSERT_NE(nullptr, server.get());
+ ASSERT_NE(nullptr, IInterface::asBinder(server)->remoteBinder());
+
+ EXPECT_TRUE(server->sendBinder(BadStableBinder::undef()).isOk());
+ EXPECT_TRUE(server->sendBinder(BadStableBinder::system()).isOk());
+ EXPECT_TRUE(server->sendBinder(BadStableBinder::vintf()).isOk());
+ EXPECT_TRUE(server->sendBinder(BadStableBinder::vendor()).isOk());
+
+ {
+ sp<BadStableBinder> binder = BadStableBinder::undef();
+ EXPECT_TRUE(server->sendAndCallBinder(binder).isOk());
+ EXPECT_TRUE(binder->gotUserTransaction);
+ }
+ {
+ sp<BadStableBinder> binder = BadStableBinder::system();
+ EXPECT_TRUE(server->sendAndCallBinder(binder).isOk());
+ EXPECT_TRUE(binder->gotUserTransaction);
+ }
+ {
+ sp<BadStableBinder> binder = BadStableBinder::vintf();
+ EXPECT_TRUE(server->sendAndCallBinder(binder).isOk());
+ EXPECT_TRUE(binder->gotUserTransaction);
+ }
+ {
+ // !!! user-defined transaction may not be stable for remote server !!!
+ // !!! so, it does not work !!!
+ sp<BadStableBinder> binder = BadStableBinder::vendor();
+ EXPECT_EQ(BAD_TYPE, server->sendAndCallBinder(binder).exceptionCode());
+ EXPECT_FALSE(binder->gotUserTransaction);
+ }
+
+ sp<IBinder> out;
+ EXPECT_TRUE(server->returnNoStabilityBinder(&out).isOk());
+ ASSERT_NE(nullptr, out.get());
+ EXPECT_EQ(OK, out->pingBinder());
+ EXPECT_EQ(OK, BadStableBinder::doUserTransaction(out));
+
+ EXPECT_TRUE(server->returnLocalStabilityBinder(&out).isOk());
+ ASSERT_NE(nullptr, out.get());
+ EXPECT_EQ(OK, out->pingBinder());
+ EXPECT_EQ(OK, BadStableBinder::doUserTransaction(out));
+
+ EXPECT_TRUE(server->returnVintfStabilityBinder(&out).isOk());
+ ASSERT_NE(nullptr, out.get());
+ EXPECT_EQ(OK, out->pingBinder());
+ EXPECT_EQ(OK, BadStableBinder::doUserTransaction(out));
+
+ EXPECT_TRUE(server->returnVendorStabilityBinder(&out).isOk());
+ ASSERT_NE(nullptr, out.get());
+
+ // !!! libbinder-defined transaction works !!!
+ EXPECT_EQ(OK, out->pingBinder());
+
+ // !!! user-defined transaction may not be stable !!!
+ // !!! so, it does not work !!!
+ EXPECT_EQ(BAD_TYPE, BadStableBinder::doUserTransaction(out));
+}
+
+// This is handwritten so that we can test different stability levels w/o having the AIDL
+// compiler assign them. Hand-writing binder interfaces is considered a bad practice
+// sanity reasons. YOU SHOULD DEFINE AN AIDL INTERFACE INSTEAD!
+
+struct NdkBinderStable_DataClass {
+ bool gotUserTransaction = false;
+};
+void* NdkBadStableBinder_Class_onCreate(void* args) {
+ LOG_ALWAYS_FATAL_IF(args != nullptr, "Takes no args");
+ return static_cast<void*>(new NdkBinderStable_DataClass);
+}
+void NdkBadStableBinder_Class_onDestroy(void* userData) {
+ delete static_cast<NdkBinderStable_DataClass*>(userData);
+}
+NdkBinderStable_DataClass* NdkBadStableBinder_getUserData(AIBinder* binder) {
+ LOG_ALWAYS_FATAL_IF(binder == nullptr);
+ void* userData = AIBinder_getUserData(binder);
+ LOG_ALWAYS_FATAL_IF(userData == nullptr, "null data - binder is remote?");
+
+ return static_cast<NdkBinderStable_DataClass*>(userData);
+}
+binder_status_t NdkBadStableBinder_Class_onTransact(
+ AIBinder* binder, transaction_code_t code, const AParcel* /*in*/, AParcel* /*out*/) {
+
+ if (code == BadStableBinder::USER_TRANSACTION) {
+ ALOGE("ndk binder stability: Got user transaction");
+ NdkBadStableBinder_getUserData(binder)->gotUserTransaction = true;
+ return STATUS_OK;
+ }
+
+ return STATUS_UNKNOWN_TRANSACTION;
+}
+
+static AIBinder_Class* kNdkBadStableBinder =
+ AIBinder_Class_define(String8(BadStableBinder::kDescriptor).c_str(),
+ NdkBadStableBinder_Class_onCreate,
+ NdkBadStableBinder_Class_onDestroy,
+ NdkBadStableBinder_Class_onTransact);
+
+// for testing only to get around __ANDROID_VNDK__ guard.
+extern "C" void AIBinder_markVendorStability(AIBinder* binder); // <- BAD DO NOT COPY
+
+TEST(BinderStability, NdkCantCallVendorBinderInSystemContext) {
+ SpAIBinder binder = SpAIBinder(AServiceManager_getService(
+ String8(kSystemStabilityServer).c_str()));
+
+ std::shared_ptr<aidl::IBinderStabilityTest> remoteServer =
+ aidl::IBinderStabilityTest::fromBinder(binder);
+
+ ASSERT_NE(nullptr, remoteServer.get());
+
+ SpAIBinder comp = SpAIBinder(AIBinder_new(kNdkBadStableBinder, nullptr /*args*/));
+ EXPECT_TRUE(remoteServer->sendBinder(comp).isOk());
+ EXPECT_TRUE(remoteServer->sendAndCallBinder(comp).isOk());
+ EXPECT_TRUE(NdkBadStableBinder_getUserData(comp.get())->gotUserTransaction);
+
+ SpAIBinder vendor = SpAIBinder(AIBinder_new(kNdkBadStableBinder, nullptr /*args*/));
+ AIBinder_markVendorStability(vendor.get());
+ EXPECT_TRUE(remoteServer->sendBinder(vendor).isOk());
+ EXPECT_FALSE(remoteServer->sendAndCallBinder(vendor).isOk());
+ EXPECT_FALSE(NdkBadStableBinder_getUserData(vendor.get())->gotUserTransaction);
+}
+
+class MarksStabilityInConstructor : public BBinder {
+public:
+ static bool gDestructed;
+
+ MarksStabilityInConstructor() {
+ Stability::markCompilationUnit(this);
+ }
+ ~MarksStabilityInConstructor() {
+ gDestructed = true;
+ }
+};
+bool MarksStabilityInConstructor::gDestructed = false;
+
+TEST(BinderStability, MarkingObjectNoDestructTest) {
+ ASSERT_FALSE(MarksStabilityInConstructor::gDestructed);
+
+ // best practice is to put this directly in an sp, but for this test, we
+ // want to explicitly check what happens before that happens
+ MarksStabilityInConstructor* binder = new MarksStabilityInConstructor();
+ ASSERT_FALSE(MarksStabilityInConstructor::gDestructed);
+
+ sp<MarksStabilityInConstructor> binderSp = binder;
+ ASSERT_FALSE(MarksStabilityInConstructor::gDestructed);
+
+ binderSp = nullptr;
+ ASSERT_TRUE(MarksStabilityInConstructor::gDestructed);
+}
+
+TEST(BinderStability, RemarkDies) {
+ ASSERT_DEATH({
+ sp<IBinder> binder = new BBinder();
+ Stability::markCompilationUnit(binder.get()); // <-- only called for tests
+ Stability::markVndk(binder.get()); // <-- only called for tests
+ }, "Should only mark known object.");
+}
+
+int main(int argc, char** argv) {
+ ::testing::InitGoogleTest(&argc, argv);
+
+ if (fork() == 0) {
+ // child process
+ prctl(PR_SET_PDEATHSIG, SIGHUP);
+
+ sp<IBinder> server = new MyBinderStabilityTest;
+ android::defaultServiceManager()->addService(kSystemStabilityServer, server);
+
+ IPCThreadState::self()->joinThreadPool(true);
+ exit(1); // should not reach
+ }
+
+ // This is not racey. Just giving these services some time to register before we call
+ // getService which sleeps for much longer...
+ usleep(10000);
+
+ return RUN_ALL_TESTS();
+}
diff --git a/libs/binder/tests/binderValueTypeTest.cpp b/libs/binder/tests/binderValueTypeTest.cpp
deleted file mode 100644
index f8922b0..0000000
--- a/libs/binder/tests/binderValueTypeTest.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <limits>
-#include <cstddef>
-#include <vector>
-
-#include "android-base/file.h"
-#include <gtest/gtest.h>
-
-#include <binder/Parcel.h>
-#include <binder/Value.h>
-#include <binder/Debug.h>
-
-using ::android::binder::Value;
-using ::android::os::PersistableBundle;
-using ::android::String16;
-using ::std::vector;
-
-#define VALUE_TYPE_TEST(T, TYPENAME, VAL) \
- TEST(ValueType, Handles ## TYPENAME) { \
- T x = VAL; \
- T y = T(); \
- Value value = VAL; \
- ASSERT_FALSE(value.empty()); \
- ASSERT_TRUE(value.is ## TYPENAME ()); \
- ASSERT_TRUE(value.get ## TYPENAME (&y)); \
- ASSERT_EQ(x, y); \
- ASSERT_EQ(value, Value(y)); \
- value.put ## TYPENAME (x); \
- ASSERT_EQ(value, Value(y)); \
- value = Value(); \
- ASSERT_TRUE(value.empty()); \
- ASSERT_NE(value, Value(y)); \
- value = y; \
- ASSERT_EQ(value, Value(x)); \
- }
-
-#define VALUE_TYPE_VECTOR_TEST(T, TYPENAME, VAL) \
- TEST(ValueType, Handles ## TYPENAME ## Vector) { \
- vector<T> x; \
- vector<T> y; \
- x.push_back(VAL); \
- x.push_back(T()); \
- Value value(x); \
- ASSERT_FALSE(value.empty()); \
- ASSERT_TRUE(value.is ## TYPENAME ## Vector()); \
- ASSERT_TRUE(value.get ## TYPENAME ## Vector(&y)); \
- ASSERT_EQ(x, y); \
- ASSERT_EQ(value, Value(y)); \
- value.put ## TYPENAME ## Vector(x); \
- ASSERT_EQ(value, Value(y)); \
- value = Value(); \
- ASSERT_TRUE(value.empty()); \
- ASSERT_NE(value, Value(y)); \
- value = y; \
- ASSERT_EQ(value, Value(x)); \
- }
-
-VALUE_TYPE_TEST(bool, Boolean, true)
-VALUE_TYPE_TEST(int32_t, Int, 31337)
-VALUE_TYPE_TEST(int64_t, Long, 13370133701337L)
-VALUE_TYPE_TEST(double, Double, 3.14159265358979323846)
-VALUE_TYPE_TEST(String16, String, String16("Lovely"))
-
-VALUE_TYPE_VECTOR_TEST(bool, Boolean, true)
-VALUE_TYPE_VECTOR_TEST(int32_t, Int, 31337)
-VALUE_TYPE_VECTOR_TEST(int64_t, Long, 13370133701337L)
-VALUE_TYPE_VECTOR_TEST(double, Double, 3.14159265358979323846)
-VALUE_TYPE_VECTOR_TEST(String16, String, String16("Lovely"))
-
-VALUE_TYPE_TEST(PersistableBundle, PersistableBundle, PersistableBundle())
-
-TEST(ValueType, HandlesClear) {
- Value value;
- ASSERT_TRUE(value.empty());
- value.putInt(31337);
- ASSERT_FALSE(value.empty());
- value.clear();
- ASSERT_TRUE(value.empty());
-}
-
-TEST(ValueType, HandlesSwap) {
- Value value_a, value_b;
- int32_t int_x;
- value_a.putInt(31337);
- ASSERT_FALSE(value_a.empty());
- ASSERT_TRUE(value_b.empty());
- value_a.swap(value_b);
- ASSERT_FALSE(value_b.empty());
- ASSERT_TRUE(value_a.empty());
- ASSERT_TRUE(value_b.getInt(&int_x));
- ASSERT_EQ(31337, int_x);
-}
diff --git a/libs/binder/tests/schd-dbg.cpp b/libs/binder/tests/schd-dbg.cpp
index ec9534a..ab4c56a 100644
--- a/libs/binder/tests/schd-dbg.cpp
+++ b/libs/binder/tests/schd-dbg.cpp
@@ -290,6 +290,7 @@
sta = tickNow();
status_t ret = workers[target]->transact(BINDER_NOP, data, &reply);
+ ASSERT(ret == NO_ERROR);
end = tickNow();
results_fifo->add_time(tickNano(sta, end));
diff --git a/libs/dumputils/Android.bp b/libs/dumputils/Android.bp
index 3412e14..e23de8e 100644
--- a/libs/dumputils/Android.bp
+++ b/libs/dumputils/Android.bp
@@ -17,7 +17,6 @@
shared_libs: [
"libbase",
- "libbinder",
"libhidlbase",
"libhidltransport",
"liblog",
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 6c9d81a..9590df7 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -88,7 +88,7 @@
data.writeStrongBinder(applyToken);
commands.write(data);
data.writeInt64(desiredPresentTime);
- data.writeWeakBinder(uncacheBuffer.token);
+ data.writeStrongBinder(uncacheBuffer.token.promote());
data.writeUint64(uncacheBuffer.id);
if (data.writeVectorSize(listenerCallbacks) == NO_ERROR) {
@@ -1035,7 +1035,7 @@
int64_t desiredPresentTime = data.readInt64();
client_cache_t uncachedBuffer;
- uncachedBuffer.token = data.readWeakBinder();
+ uncachedBuffer.token = data.readStrongBinder();
uncachedBuffer.id = data.readUint64();
std::vector<ListenerCallbacks> listenerCallbacks;
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 6066421..42eb921 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -87,7 +87,7 @@
colorTransform.asArray(), 16 * sizeof(float));
output.writeFloat(cornerRadius);
output.writeBool(hasListenerCallbacks);
- output.writeWeakBinder(cachedBuffer.token);
+ output.writeStrongBinder(cachedBuffer.token.promote());
output.writeUint64(cachedBuffer.id);
output.writeParcelable(metadata);
@@ -157,7 +157,7 @@
colorTransform = mat4(static_cast<const float*>(input.readInplace(16 * sizeof(float))));
cornerRadius = input.readFloat();
hasListenerCallbacks = input.readBool();
- cachedBuffer.token = input.readWeakBinder();
+ cachedBuffer.token = input.readStrongBinder();
cachedBuffer.id = input.readUint64();
input.readParcelable(&metadata);
diff --git a/libs/input/InputWindow.cpp b/libs/input/InputWindow.cpp
index 5a60347..ec28757 100644
--- a/libs/input/InputWindow.cpp
+++ b/libs/input/InputWindow.cpp
@@ -99,7 +99,7 @@
applicationInfo.write(output);
output.write(touchableRegion);
output.writeBool(replaceTouchableRegionWithCrop);
- output.writeWeakBinder(touchableRegionCropHandle);
+ output.writeStrongBinder(touchableRegionCropHandle.promote());
return OK;
}
@@ -142,7 +142,7 @@
ret.applicationInfo = InputApplicationInfo::read(from);
from.read(ret.touchableRegion);
ret.replaceTouchableRegionWithCrop = from.readBool();
- ret.touchableRegionCropHandle = from.readWeakBinder();
+ ret.touchableRegionCropHandle = from.readStrongBinder();
return ret;
}
diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index 0407d88..2cc6857 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -95,7 +95,6 @@
"android.hardware.graphics.mapper@3.0",
"libbase",
"libcutils",
- "libhardware",
"libhidlbase",
"libhidltransport",
"libhwbinder",
diff --git a/libs/vr/libbufferhubqueue/Android.bp b/libs/vr/libbufferhubqueue/Android.bp
index 9f72c05..77c7911 100644
--- a/libs/vr/libbufferhubqueue/Android.bp
+++ b/libs/vr/libbufferhubqueue/Android.bp
@@ -26,10 +26,8 @@
]
sharedLibraries = [
- "libbase",
"libbinder",
"libcutils",
- "libhardware",
"liblog",
"libui",
"libutils",
diff --git a/services/nativeperms/.clang-format b/services/nativeperms/.clang-format
deleted file mode 100644
index 6006e6f..0000000
--- a/services/nativeperms/.clang-format
+++ /dev/null
@@ -1,13 +0,0 @@
-BasedOnStyle: Google
-AllowShortFunctionsOnASingleLine: Inline
-AllowShortIfStatementsOnASingleLine: true
-AllowShortLoopsOnASingleLine: true
-BinPackArguments: true
-BinPackParameters: true
-ColumnLimit: 80
-CommentPragmas: NOLINT:.*
-ContinuationIndentWidth: 8
-DerivePointerAlignment: false
-IndentWidth: 4
-PointerAlignment: Left
-TabWidth: 4
diff --git a/services/nativeperms/Android.bp b/services/nativeperms/Android.bp
deleted file mode 100644
index cbc7d66..0000000
--- a/services/nativeperms/Android.bp
+++ /dev/null
@@ -1,34 +0,0 @@
-// Copyright 2016 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-cc_binary {
- name: "nativeperms",
- srcs: [
- "nativeperms.cpp",
- "android/os/IPermissionController.aidl",
- ],
- cflags: [
- "-Wall",
- "-Werror",
- ],
- shared_libs: [
- "libbinder",
- "libbrillo",
- "libbrillo-binder",
- "libchrome",
- "libutils",
- ],
- init_rc: ["nativeperms.rc"],
-}
diff --git a/services/nativeperms/android/os/IPermissionController.aidl b/services/nativeperms/android/os/IPermissionController.aidl
deleted file mode 100644
index 89db85c..0000000
--- a/services/nativeperms/android/os/IPermissionController.aidl
+++ /dev/null
@@ -1,25 +0,0 @@
-/* //device/java/android/android/os/IPowerManager.aidl
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-** http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-package android.os;
-
-/** @hide */
-interface IPermissionController {
- boolean checkPermission(String permission, int pid, int uid);
- String[] getPackagesForUid(int uid);
- boolean isRuntimePermission(String permission);
-}
diff --git a/services/nativeperms/android/os/README b/services/nativeperms/android/os/README
deleted file mode 100644
index e414499..0000000
--- a/services/nativeperms/android/os/README
+++ /dev/null
@@ -1,4 +0,0 @@
-IPermissionController.aidl in this directory is a verbatim copy of
-https://android.googlesource.com/platform/frameworks/base/+/master/core/java/android/os/IPermissionController.aidl,
-because some Brillo manifests do not currently include the frameworks/base repo.
-TODO(jorgelo): Figure out a way to use the .aidl file in frameworks/base.
diff --git a/services/nativeperms/nativeperms.cpp b/services/nativeperms/nativeperms.cpp
deleted file mode 100644
index 7f03bed..0000000
--- a/services/nativeperms/nativeperms.cpp
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <base/at_exit.h>
-#include <base/logging.h>
-#include <base/message_loop/message_loop.h>
-#include <binder/IServiceManager.h>
-#include <binder/Status.h>
-#include <brillo/binder_watcher.h>
-#include <brillo/message_loops/base_message_loop.h>
-#include <brillo/syslog_logging.h>
-#include <utils/String16.h>
-
-#include "android/os/BnPermissionController.h"
-
-namespace {
-static android::String16 serviceName("permission");
-}
-
-namespace android {
-
-class PermissionService : public android::os::BnPermissionController {
- public:
- ::android::binder::Status checkPermission(
- const ::android::String16& permission, int32_t pid, int32_t uid,
- bool* _aidl_return) {
- (void)permission;
- (void)pid;
- (void)uid;
- *_aidl_return = true;
- return binder::Status::ok();
- }
-
- ::android::binder::Status getPackagesForUid(
- int32_t uid, ::std::vector<::android::String16>* _aidl_return) {
- (void)uid;
- // Brillo doesn't currently have installable packages.
- if (_aidl_return) {
- _aidl_return->clear();
- }
- return binder::Status::ok();
- }
-
- ::android::binder::Status isRuntimePermission(
- const ::android::String16& permission, bool* _aidl_return) {
- (void)permission;
- // Brillo doesn't currently have runtime permissions.
- *_aidl_return = false;
- return binder::Status::ok();
- }
-};
-
-} // namespace android
-
-int main() {
- base::AtExitManager atExitManager;
- brillo::InitLog(brillo::kLogToSyslog);
- // Register the service with servicemanager.
- android::status_t status = android::defaultServiceManager()->addService(
- serviceName, new android::PermissionService());
- CHECK(status == android::OK) << "Failed to get IPermissionController "
- "binder from servicemanager.";
-
- // Create a message loop.
- base::MessageLoopForIO messageLoopForIo;
- brillo::BaseMessageLoop messageLoop{&messageLoopForIo};
-
- // Initialize a binder watcher.
- brillo::BinderWatcher watcher(&messageLoop);
- watcher.Init();
-
- // Run the message loop.
- messageLoop.Run();
-}
diff --git a/services/nativeperms/nativeperms.rc b/services/nativeperms/nativeperms.rc
deleted file mode 100644
index 704c0a2..0000000
--- a/services/nativeperms/nativeperms.rc
+++ /dev/null
@@ -1,4 +0,0 @@
-service nativeperms /system/bin/nativeperms
- class main
- user system
- group system
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 2d31910..9c8251f 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -529,9 +529,9 @@
// wait patiently for the window manager death
const String16 name("window");
- sp<IBinder> window(defaultServiceManager()->getService(name));
- if (window != 0) {
- window->linkToDeath(static_cast<IBinder::DeathRecipient*>(this));
+ mWindowManager = defaultServiceManager()->getService(name);
+ if (mWindowManager != 0) {
+ mWindowManager->linkToDeath(static_cast<IBinder::DeathRecipient*>(this));
}
sp<IBinder> input(defaultServiceManager()->getService(
String16("inputflinger")));
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index ddfe88c..c5c4103 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -1084,6 +1084,9 @@
// either AID_GRAPHICS or AID_SYSTEM.
status_t CheckTransactCodeCredentials(uint32_t code);
+ // to linkToDeath
+ sp<IBinder> mWindowManager;
+
std::unique_ptr<dvr::VrFlinger> mVrFlinger;
std::atomic<bool> mVrFlingerRequestsDisplay = false;
static bool useVrFlinger;