Merge "Reland: Add getprop to toolbox"
diff --git a/property_service/libpropertyinfoparser/Android.bp b/property_service/libpropertyinfoparser/Android.bp
index 39cd8ec..ea9b968 100644
--- a/property_service/libpropertyinfoparser/Android.bp
+++ b/property_service/libpropertyinfoparser/Android.bp
@@ -1,6 +1,7 @@
cc_library_static {
name: "libpropertyinfoparser",
host_supported: true,
+ vendor_available: true,
srcs: ["property_info_parser.cpp"],
cpp_std: "experimental",
diff --git a/property_service/libpropertyinfoserializer/Android.bp b/property_service/libpropertyinfoserializer/Android.bp
index be177f9..72ae19a 100644
--- a/property_service/libpropertyinfoserializer/Android.bp
+++ b/property_service/libpropertyinfoserializer/Android.bp
@@ -1,6 +1,7 @@
cc_defaults {
name: "propertyinfoserializer_defaults",
host_supported: true,
+ vendor_available: true,
cpp_std: "experimental",
cppflags: [
"-Wall",
diff --git a/shell_and_utilities/README.md b/shell_and_utilities/README.md
index 206204b..c423c69 100644
--- a/shell_and_utilities/README.md
+++ b/shell_and_utilities/README.md
@@ -175,18 +175,18 @@
one-true-awk: awk
-toolbox: getevent newfs\_msdos
+toolbox: getevent getprop newfs\_msdos
toybox: acpi base64 basename blockdev cal cat chcon chgrp chmod chown
chroot chrt cksum clear cmp comm cp cpio cut date df diff dirname dmesg
dos2unix du echo env expand expr fallocate false file find flock free
-getenforce getprop groups gunzip gzip head hostname hwclock id ifconfig
-inotifyd insmod ionice iorenice kill killall ln load\_policy log logname
-losetup ls lsmod lsof lspci lsusb md5sum microcom mkdir mkfifo mknod
-mkswap mktemp modinfo modprobe more mount mountpoint mv netstat nice
-nl nohup od paste patch pgrep pidof pkill pmap printenv printf ps pwd
-readlink realpath renice restorecon rm rmdir rmmod runcon sed sendevent
-seq setenforce setprop setsid sha1sum sha224sum sha256sum sha384sum
+getenforce groups gunzip gzip head hostname hwclock id ifconfig inotifyd
+insmod ionice iorenice kill killall ln load\_policy log logname losetup
+ls lsmod lsof lspci lsusb md5sum microcom mkdir mkfifo mknod mkswap
+mktemp modinfo modprobe more mount mountpoint mv netstat nice nl nohup
+od paste patch pgrep pidof pkill pmap printenv printf ps pwd readlink
+realpath renice restorecon rm rmdir rmmod runcon sed sendevent seq
+setenforce setprop setsid sha1sum sha224sum sha256sum sha384sum
sha512sum sleep sort split start stat stop strings swapoff swapon sync
sysctl tac tail tar taskset tee time timeout top touch tr true truncate
tty ulimit umount uname uniq unix2dos uptime usleep uudecode uuencode
diff --git a/toolbox/Android.bp b/toolbox/Android.bp
index 02365c6..9f7fc3b 100644
--- a/toolbox/Android.bp
+++ b/toolbox/Android.bp
@@ -44,9 +44,11 @@
cc_defaults {
name: "toolbox_binary_defaults",
defaults: ["toolbox_defaults"],
+ cpp_std: "experimental",
srcs: [
"toolbox.c",
"getevent.c",
+ "getprop.cpp",
"newfs_msdos.c",
],
generated_headers: [
@@ -54,12 +56,15 @@
],
whole_static_libs: ["libtoolbox_dd"],
shared_libs: [
+ "libbase",
"libcutils",
],
+ static_libs: ["libpropertyinfoparser"],
symlinks: [
"dd",
"getevent",
+ "getprop",
"newfs_msdos",
],
}
diff --git a/toolbox/getprop.cpp b/toolbox/getprop.cpp
new file mode 100644
index 0000000..611e244
--- /dev/null
+++ b/toolbox/getprop.cpp
@@ -0,0 +1,127 @@
+//
+// Copyright (C) 2017 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 <getopt.h>
+#include <sys/system_properties.h>
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include <android-base/properties.h>
+#include <property_info_parser/property_info_parser.h>
+
+using android::base::GetProperty;
+using android::properties::PropertyInfoAreaFile;
+
+PropertyInfoAreaFile property_info_file;
+
+void PrintAllProperties(bool print_property_context) {
+ std::vector<std::pair<std::string, std::string>> properties;
+ __system_property_foreach(
+ [](const prop_info* pi, void* cookie) {
+ __system_property_read_callback(
+ pi,
+ [](void* cookie, const char* name, const char* value, unsigned) {
+ auto properties =
+ reinterpret_cast<std::vector<std::pair<std::string, std::string>>*>(cookie);
+ properties->emplace_back(name, value);
+ },
+ cookie);
+ },
+ &properties);
+
+ std::sort(properties.begin(), properties.end());
+
+ if (print_property_context) {
+ for (auto& [name, value] : properties) {
+ const char* context = nullptr;
+ property_info_file->GetPropertyInfo(name.c_str(), &context, nullptr);
+ value = context;
+ }
+ }
+
+ for (const auto& [name, value] : properties) {
+ std::cout << "[" << name << "]: [" << value << "]" << std::endl;
+ }
+}
+
+void PrintProperty(const char* name, const char* default_value, bool print_property_context) {
+ if (print_property_context) {
+ const char* context = nullptr;
+ property_info_file->GetPropertyInfo(name, &context, nullptr);
+ std::cout << context << std::endl;
+ } else {
+ std::cout << GetProperty(name, default_value) << std::endl;
+ }
+}
+
+extern "C" int getprop_main(int argc, char** argv) {
+ bool print_property_context = false;
+
+ while (true) {
+ static const struct option long_options[] = {
+ {"help", no_argument, nullptr, 'h'},
+ {nullptr, 0, nullptr, 0},
+ };
+
+ int arg = getopt_long(argc, argv, "Z", long_options, nullptr);
+
+ if (arg == -1) {
+ break;
+ }
+
+ switch (arg) {
+ case 'h':
+ std::cout << "usage: getprop [-Z] [NAME [DEFAULT]]\n\n"
+ "Gets an Android system property, or lists them all.\n"
+ "Use -Z to return the property context instead of the property value\n"
+ << std::endl;
+ return 0;
+ case 'Z':
+ print_property_context = true;
+ break;
+ case '?':
+ return -1;
+ default:
+ std::cerr << "getprop: getopt returned invalid result: " << arg << std::endl;
+ return -1;
+ }
+ }
+
+ if (print_property_context) {
+ property_info_file.LoadDefaultPath();
+ if (!property_info_file) {
+ std::cerr << "Unable to load property info file" << std::endl;
+ return -1;
+ }
+ }
+
+ if (optind >= argc) {
+ PrintAllProperties(print_property_context);
+ return 0;
+ }
+
+ if (optind < argc - 2) {
+ std::cerr << "getprop: Max 2 arguments (see \"getprop --help\")" << std::endl;
+ return -1;
+ }
+
+ PrintProperty(argv[optind], (optind == argc - 1) ? "" : argv[optind + 1],
+ print_property_context);
+
+ return 0;
+}
diff --git a/toolbox/tools.h b/toolbox/tools.h
index 9134af3..505f528 100644
--- a/toolbox/tools.h
+++ b/toolbox/tools.h
@@ -1,4 +1,5 @@
TOOL(dd)
TOOL(getevent)
+TOOL(getprop)
TOOL(newfs_msdos)
TOOL(toolbox)