Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Yi Jin | 4e84310 | 2018-02-14 15:36:18 -0800 | [diff] [blame] | 16 | #define DEBUG false |
Yi Jin | b592e3b | 2018-02-01 15:17:04 -0800 | [diff] [blame] | 17 | #include "Log.h" |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 18 | |
| 19 | #include "Reporter.h" |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 20 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 21 | #include "incidentd_util.h" |
Yi Jin | 329130b | 2018-02-09 16:47:47 -0800 | [diff] [blame] | 22 | #include "Privacy.h" |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 23 | #include "PrivacyFilter.h" |
| 24 | #include "proto_util.h" |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 25 | #include "report_directory.h" |
| 26 | #include "section_list.h" |
| 27 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 28 | #include <android-base/file.h> |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 29 | #include <android/os/DropBoxManager.h> |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 30 | #include <android/util/protobuf.h> |
| 31 | #include <android/util/ProtoOutputStream.h> |
Yi Jin | 0a3406f | 2017-06-22 19:23:11 -0700 | [diff] [blame] | 32 | #include <private/android_filesystem_config.h> |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 33 | #include <utils/SystemClock.h> |
| 34 | |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 35 | #include <dirent.h> |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 36 | #include <errno.h> |
Yi Jin | b592e3b | 2018-02-01 15:17:04 -0800 | [diff] [blame] | 37 | #include <fcntl.h> |
| 38 | #include <sys/stat.h> |
| 39 | #include <sys/types.h> |
Kweku Adams | 3d16091 | 2018-05-07 11:26:27 -0700 | [diff] [blame] | 40 | #include <string> |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 41 | #include <time.h> |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 42 | |
Yi Jin | 6cacbcb | 2018-03-30 14:04:52 -0700 | [diff] [blame] | 43 | namespace android { |
| 44 | namespace os { |
| 45 | namespace incidentd { |
| 46 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 47 | using namespace android::util; |
| 48 | |
| 49 | /** |
| 50 | * The field id of the metadata section from |
| 51 | * frameworks/base/core/proto/android/os/incident.proto |
| 52 | */ |
| 53 | const int FIELD_ID_METADATA = 2; |
| 54 | |
| 55 | IncidentMetadata_Destination privacy_policy_to_dest(uint8_t privacyPolicy) { |
| 56 | switch (privacyPolicy) { |
| 57 | case PRIVACY_POLICY_AUTOMATIC: |
| 58 | return IncidentMetadata_Destination_AUTOMATIC; |
| 59 | case PRIVACY_POLICY_EXPLICIT: |
| 60 | return IncidentMetadata_Destination_EXPLICIT; |
| 61 | case PRIVACY_POLICY_LOCAL: |
| 62 | return IncidentMetadata_Destination_LOCAL; |
| 63 | default: |
| 64 | // Anything else reverts to automatic |
| 65 | return IncidentMetadata_Destination_AUTOMATIC; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | void poo_make_metadata(IncidentMetadata* result, const IncidentMetadata& full, |
| 70 | int64_t reportId, int32_t privacyPolicy, const IncidentReportArgs& args) { |
| 71 | result->set_report_id(reportId); |
| 72 | result->set_dest(privacy_policy_to_dest(privacyPolicy)); |
| 73 | |
| 74 | size_t sectionCount = full.sections_size(); |
| 75 | for (int sectionIndex = 0; sectionIndex < sectionCount; sectionIndex++) { |
| 76 | const IncidentMetadata::SectionStats& sectionStats = full.sections(sectionIndex); |
| 77 | if (args.containsSection(sectionStats.id())) { |
| 78 | *result->add_sections() = sectionStats; |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | // ARGS must have a containsSection(int) method |
| 84 | template <typename ARGS> void make_metadata(IncidentMetadata* result, const IncidentMetadata& full, |
| 85 | int64_t reportId, int32_t privacyPolicy, ARGS args) { |
| 86 | result->set_report_id(reportId); |
| 87 | result->set_dest(privacy_policy_to_dest(privacyPolicy)); |
| 88 | |
| 89 | size_t sectionCount = full.sections_size(); |
| 90 | for (int sectionIndex = 0; sectionIndex < sectionCount; sectionIndex++) { |
| 91 | const IncidentMetadata::SectionStats& sectionStats = full.sections(sectionIndex); |
| 92 | if (args->containsSection(sectionStats.id())) { |
| 93 | *result->add_sections() = sectionStats; |
| 94 | } |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | // ================================================================================ |
| 99 | class StreamingFilterFd : public FilterFd { |
| 100 | public: |
| 101 | StreamingFilterFd(uint8_t privacyPolicy, int fd, const sp<ReportRequest>& request); |
| 102 | |
| 103 | virtual void onWriteError(status_t err); |
| 104 | |
| 105 | private: |
| 106 | sp<ReportRequest> mRequest; |
| 107 | }; |
| 108 | |
| 109 | StreamingFilterFd::StreamingFilterFd(uint8_t privacyPolicy, int fd, |
| 110 | const sp<ReportRequest>& request) |
| 111 | :FilterFd(privacyPolicy, fd), |
| 112 | mRequest(request) { |
| 113 | } |
| 114 | |
| 115 | void StreamingFilterFd::onWriteError(status_t err) { |
| 116 | mRequest->setStatus(err); |
| 117 | } |
| 118 | |
| 119 | |
| 120 | // ================================================================================ |
| 121 | class PersistedFilterFd : public FilterFd { |
| 122 | public: |
| 123 | PersistedFilterFd(uint8_t privacyPolicy, int fd, const sp<ReportFile>& reportFile); |
| 124 | |
| 125 | virtual void onWriteError(status_t err); |
| 126 | |
| 127 | private: |
| 128 | sp<ReportFile> mReportFile; |
| 129 | }; |
| 130 | |
| 131 | PersistedFilterFd::PersistedFilterFd(uint8_t privacyPolicy, int fd, |
| 132 | const sp<ReportFile>& reportFile) |
| 133 | :FilterFd(privacyPolicy, fd), |
| 134 | mReportFile(reportFile) { |
| 135 | } |
| 136 | |
| 137 | void PersistedFilterFd::onWriteError(status_t err) { |
| 138 | mReportFile->setWriteError(err); |
| 139 | } |
| 140 | |
| 141 | |
Yi Jin | 0a3406f | 2017-06-22 19:23:11 -0700 | [diff] [blame] | 142 | // ================================================================================ |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 143 | ReportRequest::ReportRequest(const IncidentReportArgs& a, |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 144 | const sp<IIncidentReportStatusListener>& listener, int fd) |
| 145 | :args(a), |
| 146 | mListener(listener), |
| 147 | mFd(fd), |
| 148 | mIsStreaming(fd >= 0), |
| 149 | mStatus(NO_ERROR) { |
| 150 | } |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 151 | |
Yi Jin | b592e3b | 2018-02-01 15:17:04 -0800 | [diff] [blame] | 152 | ReportRequest::~ReportRequest() { |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 153 | if (mIsStreaming && mFd >= 0) { |
Yi Jin | 22769e0 | 2017-10-16 14:42:50 -0700 | [diff] [blame] | 154 | // clean up the opened file descriptor |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 155 | close(mFd); |
Yi Jin | 22769e0 | 2017-10-16 14:42:50 -0700 | [diff] [blame] | 156 | } |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 157 | } |
| 158 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 159 | bool ReportRequest::ok() { |
| 160 | return mFd >= 0 && mStatus == NO_ERROR; |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 161 | } |
| 162 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 163 | void ReportRequest::closeFd() { |
| 164 | if (mIsStreaming && mFd >= 0) { |
| 165 | close(mFd); |
| 166 | mFd = -1; |
Yi Jin | 329130b | 2018-02-09 16:47:47 -0800 | [diff] [blame] | 167 | } |
Yi Jin | 3ec5cc7 | 2018-01-26 13:42:43 -0800 | [diff] [blame] | 168 | } |
| 169 | |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 170 | // ================================================================================ |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 171 | ReportBatch::ReportBatch() {} |
Yi Jin | add11e9 | 2017-07-30 16:10:07 -0700 | [diff] [blame] | 172 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 173 | ReportBatch::~ReportBatch() {} |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 174 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 175 | void ReportBatch::addPersistedReport(const IncidentReportArgs& args) { |
| 176 | ComponentName component(args.receiverPkg(), args.receiverCls()); |
| 177 | map<ComponentName, sp<ReportRequest>>::iterator found = mPersistedRequests.find(component); |
| 178 | if (found == mPersistedRequests.end()) { |
| 179 | // not found |
| 180 | mPersistedRequests[component] = new ReportRequest(args, nullptr, -1); |
| 181 | } else { |
| 182 | // found |
| 183 | sp<ReportRequest> request = found->second; |
| 184 | request->args.merge(args); |
| 185 | } |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 186 | } |
| 187 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 188 | void ReportBatch::addStreamingReport(const IncidentReportArgs& args, |
| 189 | const sp<IIncidentReportStatusListener>& listener, int streamFd) { |
| 190 | mStreamingRequests.push_back(new ReportRequest(args, listener, streamFd)); |
| 191 | } |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 192 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 193 | bool ReportBatch::empty() const { |
| 194 | return mPersistedRequests.size() == 0 && mStreamingRequests.size() == 0; |
| 195 | } |
| 196 | |
| 197 | sp<ReportRequest> ReportBatch::getPersistedRequest(const ComponentName& component) { |
| 198 | map<ComponentName, sp<ReportRequest>>::iterator it = mPersistedRequests.find(component); |
| 199 | if (it != mPersistedRequests.find(component)) { |
| 200 | return it->second; |
| 201 | } else { |
| 202 | return nullptr; |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | void ReportBatch::forEachPersistedRequest(const function<void (const sp<ReportRequest>&)>& func) { |
| 207 | for (map<ComponentName, sp<ReportRequest>>::iterator it = mPersistedRequests.begin(); |
| 208 | it != mPersistedRequests.end(); it++) { |
| 209 | func(it->second); |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | void ReportBatch::forEachStreamingRequest(const function<void (const sp<ReportRequest>&)>& func) { |
| 214 | for (vector<sp<ReportRequest>>::iterator request = mStreamingRequests.begin(); |
| 215 | request != mStreamingRequests.end(); request++) { |
| 216 | func(*request); |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | void ReportBatch::forEachListener( |
| 221 | const function<void (const sp<IIncidentReportStatusListener>&)>& func) { |
| 222 | for (map<ComponentName, sp<ReportRequest>>::iterator it = mPersistedRequests.begin(); |
| 223 | it != mPersistedRequests.end(); it++) { |
| 224 | sp<IIncidentReportStatusListener> listener = it->second->getListener(); |
| 225 | if (listener != nullptr) { |
| 226 | func(listener); |
| 227 | } |
| 228 | } |
| 229 | for (vector<sp<ReportRequest>>::iterator request = mStreamingRequests.begin(); |
| 230 | request != mStreamingRequests.end(); request++) { |
| 231 | sp<IIncidentReportStatusListener> listener = (*request)->getListener(); |
| 232 | if (listener != nullptr) { |
| 233 | func(listener); |
| 234 | } |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | void ReportBatch::forEachListener(int sectionId, |
| 239 | const function<void (const sp<IIncidentReportStatusListener>&)>& func) { |
| 240 | for (map<ComponentName, sp<ReportRequest>>::iterator it = mPersistedRequests.begin(); |
| 241 | it != mPersistedRequests.end(); it++) { |
| 242 | if (it->second->containsSection(sectionId)) { |
| 243 | sp<IIncidentReportStatusListener> listener = it->second->getListener(); |
| 244 | if (listener != nullptr) { |
| 245 | func(listener); |
| 246 | } |
| 247 | } |
| 248 | } |
| 249 | for (vector<sp<ReportRequest>>::iterator request = mStreamingRequests.begin(); |
| 250 | request != mStreamingRequests.end(); request++) { |
| 251 | if ((*request)->containsSection(sectionId)) { |
| 252 | sp<IIncidentReportStatusListener> listener = (*request)->getListener(); |
| 253 | if (listener != nullptr) { |
| 254 | func(listener); |
| 255 | } |
| 256 | } |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | void ReportBatch::getCombinedPersistedArgs(IncidentReportArgs* result) { |
| 261 | for (map<ComponentName, sp<ReportRequest>>::iterator it = mPersistedRequests.begin(); |
| 262 | it != mPersistedRequests.end(); it++) { |
| 263 | result->merge(it->second->args); |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | bool ReportBatch::containsSection(int sectionId) { |
| 268 | // We don't cache this, because in case of error, we remove requests |
| 269 | // from the batch, and this is easier than recomputing the set. |
| 270 | for (map<ComponentName, sp<ReportRequest>>::iterator it = mPersistedRequests.begin(); |
| 271 | it != mPersistedRequests.end(); it++) { |
| 272 | if (it->second->containsSection(sectionId)) { |
| 273 | return true; |
| 274 | } |
| 275 | } |
| 276 | for (vector<sp<ReportRequest>>::iterator request = mStreamingRequests.begin(); |
| 277 | request != mStreamingRequests.end(); request++) { |
| 278 | if ((*request)->containsSection(sectionId)) { |
| 279 | return true; |
| 280 | } |
| 281 | } |
| 282 | return false; |
| 283 | } |
| 284 | |
| 285 | void ReportBatch::clearPersistedRequests() { |
| 286 | mPersistedRequests.clear(); |
| 287 | } |
| 288 | |
| 289 | void ReportBatch::getFailedRequests(vector<sp<ReportRequest>>* requests) { |
| 290 | for (map<ComponentName, sp<ReportRequest>>::iterator it = mPersistedRequests.begin(); |
| 291 | it != mPersistedRequests.end(); it++) { |
| 292 | if (it->second->getStatus() != NO_ERROR) { |
| 293 | requests->push_back(it->second); |
| 294 | } |
| 295 | } |
| 296 | for (vector<sp<ReportRequest>>::iterator request = mStreamingRequests.begin(); |
| 297 | request != mStreamingRequests.end(); request++) { |
| 298 | if ((*request)->getStatus() != NO_ERROR) { |
| 299 | requests->push_back(*request); |
| 300 | } |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | void ReportBatch::removeRequest(const sp<ReportRequest>& request) { |
| 305 | for (map<ComponentName, sp<ReportRequest>>::iterator it = mPersistedRequests.begin(); |
| 306 | it != mPersistedRequests.end(); it++) { |
| 307 | if (it->second == request) { |
| 308 | mPersistedRequests.erase(it); |
| 309 | return; |
| 310 | } |
| 311 | } |
| 312 | for (vector<sp<ReportRequest>>::iterator it = mStreamingRequests.begin(); |
| 313 | it != mStreamingRequests.end(); it++) { |
| 314 | if (*it == request) { |
| 315 | mStreamingRequests.erase(it); |
| 316 | return; |
| 317 | } |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | // ================================================================================ |
| 322 | ReportWriter::ReportWriter(const sp<ReportBatch>& batch) |
| 323 | :mBatch(batch), |
| 324 | mPersistedFile(), |
| 325 | mMaxPersistedPrivacyPolicy(PRIVACY_POLICY_UNSET) { |
| 326 | } |
| 327 | |
| 328 | ReportWriter::~ReportWriter() { |
| 329 | } |
| 330 | |
| 331 | void ReportWriter::setPersistedFile(sp<ReportFile> file) { |
| 332 | mPersistedFile = file; |
| 333 | } |
| 334 | |
| 335 | void ReportWriter::setMaxPersistedPrivacyPolicy(uint8_t privacyPolicy) { |
| 336 | mMaxPersistedPrivacyPolicy = privacyPolicy; |
| 337 | } |
| 338 | |
| 339 | void ReportWriter::startSection(int sectionId) { |
| 340 | mCurrentSectionId = sectionId; |
| 341 | mSectionStartTimeMs = uptimeMillis(); |
| 342 | |
| 343 | mSectionStatsCalledForSectionId = -1; |
| 344 | mDumpSizeBytes = 0; |
| 345 | mDumpDurationMs = 0; |
| 346 | mSectionTimedOut = false; |
| 347 | mSectionTruncated = false; |
| 348 | mSectionBufferSuccess = false; |
| 349 | mHadError = false; |
| 350 | mSectionErrors.clear(); |
| 351 | |
| 352 | } |
| 353 | |
| 354 | void ReportWriter::setSectionStats(const FdBuffer& buffer) { |
| 355 | mSectionStatsCalledForSectionId = mCurrentSectionId; |
| 356 | mDumpSizeBytes = buffer.size(); |
| 357 | mDumpDurationMs = buffer.durationMs(); |
| 358 | mSectionTimedOut = buffer.timedOut(); |
| 359 | mSectionTruncated = buffer.truncated(); |
| 360 | mSectionBufferSuccess = !buffer.timedOut() && !buffer.truncated(); |
| 361 | } |
| 362 | |
| 363 | void ReportWriter::endSection(IncidentMetadata::SectionStats* sectionMetadata) { |
| 364 | long endTime = uptimeMillis(); |
| 365 | |
| 366 | if (mSectionStatsCalledForSectionId != mCurrentSectionId) { |
| 367 | ALOGW("setSectionStats not called for section %d", mCurrentSectionId); |
| 368 | } |
| 369 | |
| 370 | sectionMetadata->set_id(mCurrentSectionId); |
| 371 | sectionMetadata->set_success((!mHadError) && mSectionBufferSuccess); |
| 372 | sectionMetadata->set_report_size_bytes(mMaxSectionDataFilteredSize); |
| 373 | sectionMetadata->set_exec_duration_ms(endTime - mSectionStartTimeMs); |
| 374 | sectionMetadata->set_dump_size_bytes(mDumpSizeBytes); |
| 375 | sectionMetadata->set_dump_duration_ms(mDumpDurationMs); |
| 376 | sectionMetadata->set_timed_out(mSectionTimedOut); |
| 377 | sectionMetadata->set_is_truncated(mSectionTruncated); |
| 378 | sectionMetadata->set_error_msg(mSectionErrors); |
| 379 | } |
| 380 | |
| 381 | void ReportWriter::warning(const Section* section, status_t err, const char* format, ...) { |
| 382 | va_list args; |
| 383 | va_start(args, format); |
| 384 | vflog(section, err, ANDROID_LOG_ERROR, "error", format, args); |
| 385 | va_end(args); |
| 386 | } |
| 387 | |
| 388 | void ReportWriter::error(const Section* section, status_t err, const char* format, ...) { |
| 389 | va_list args; |
| 390 | va_start(args, format); |
| 391 | vflog(section, err, ANDROID_LOG_WARN, "warning", format, args); |
| 392 | va_end(args); |
| 393 | } |
| 394 | |
| 395 | void ReportWriter::vflog(const Section* section, status_t err, int level, const char* levelText, |
| 396 | const char* format, va_list args) { |
| 397 | const char* prefixFormat = "%s in section %d (%d) '%s': "; |
| 398 | int prefixLen = snprintf(NULL, 0, prefixFormat, levelText, section->id, |
| 399 | err, strerror(-err)); |
| 400 | |
| 401 | va_list measureArgs; |
| 402 | va_copy(measureArgs, args); |
| 403 | int messageLen = vsnprintf(NULL, 0, format, args); |
| 404 | va_end(measureArgs); |
| 405 | |
| 406 | char* line = (char*)malloc(prefixLen + messageLen + 1); |
| 407 | if (line == NULL) { |
| 408 | // All hope is lost, just give up. |
| 409 | return; |
| 410 | } |
| 411 | |
| 412 | sprintf(line, prefixFormat, levelText, section->id, err, strerror(-err)); |
| 413 | |
| 414 | vsprintf(line + prefixLen, format, args); |
| 415 | |
| 416 | __android_log_write(level, LOG_TAG, line); |
| 417 | |
| 418 | if (mSectionErrors.length() == 0) { |
| 419 | mSectionErrors = line; |
| 420 | } else { |
| 421 | mSectionErrors += '\n'; |
| 422 | mSectionErrors += line; |
| 423 | } |
| 424 | |
| 425 | free(line); |
| 426 | |
| 427 | if (level >= ANDROID_LOG_ERROR) { |
| 428 | mHadError = true; |
| 429 | } |
| 430 | } |
| 431 | |
| 432 | // Reads data from FdBuffer and writes it to the requests file descriptor. |
| 433 | status_t ReportWriter::writeSection(const FdBuffer& buffer) { |
| 434 | PrivacyFilter filter(mCurrentSectionId, get_privacy_of_section(mCurrentSectionId)); |
| 435 | |
| 436 | // Add the fd for the persisted requests |
| 437 | if (mPersistedFile != nullptr) { |
| 438 | filter.addFd(new PersistedFilterFd(mMaxPersistedPrivacyPolicy, |
| 439 | mPersistedFile->getDataFileFd(), mPersistedFile)); |
| 440 | } |
| 441 | |
| 442 | // Add the fds for the streamed requests |
| 443 | mBatch->forEachStreamingRequest([&filter, this](const sp<ReportRequest>& request) { |
| 444 | if (request->ok() && request->args.containsSection(mCurrentSectionId)) { |
| 445 | filter.addFd(new StreamingFilterFd(request->args.getPrivacyPolicy(), |
| 446 | request->getFd(), request)); |
| 447 | } |
| 448 | }); |
| 449 | |
| 450 | return filter.writeData(buffer, PRIVACY_POLICY_LOCAL, &mMaxSectionDataFilteredSize); |
| 451 | } |
| 452 | |
| 453 | |
| 454 | // ================================================================================ |
| 455 | Reporter::Reporter(const sp<WorkDirectory>& workDirectory, const sp<ReportBatch>& batch) |
| 456 | :mWorkDirectory(workDirectory), |
| 457 | mWriter(batch), |
| 458 | mBatch(batch) { |
| 459 | } |
| 460 | |
| 461 | Reporter::~Reporter() { |
| 462 | } |
| 463 | |
| 464 | void Reporter::runReport(size_t* reportByteSize) { |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 465 | status_t err = NO_ERROR; |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 466 | |
| 467 | IncidentMetadata metadata; |
| 468 | int persistedPrivacyPolicy = PRIVACY_POLICY_UNSET; |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 469 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 470 | (*reportByteSize) = 0; |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 471 | |
| 472 | // Tell everyone that we're starting. |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 473 | ALOGI("Starting incident report"); |
| 474 | mBatch->forEachListener([](const auto& listener) { listener->onReportStarted(); }); |
| 475 | |
| 476 | if (mBatch->hasPersistedReports()) { |
| 477 | // Open a work file to contain the contents of all of the persisted reports. |
| 478 | // For this block, if we can't initialize the report file for some reason, |
| 479 | // then we will remove the persisted ReportRequests from the report, but |
| 480 | // continue with the streaming ones. |
| 481 | mPersistedFile = mWorkDirectory->createReportFile(); |
| 482 | ALOGI("Report will be persisted: envelope: %s data: %s", |
| 483 | mPersistedFile->getEnvelopeFileName().c_str(), |
| 484 | mPersistedFile->getDataFileName().c_str()); |
| 485 | |
| 486 | // Record all of the metadata to the persisted file's metadata file. |
| 487 | // It will be read from there and reconstructed as the actual reports |
| 488 | // are sent out. |
| 489 | if (mPersistedFile != nullptr) { |
| 490 | mBatch->forEachPersistedRequest([this, &persistedPrivacyPolicy]( |
| 491 | const sp<ReportRequest>& request) { |
| 492 | mPersistedFile->addReport(request->args); |
| 493 | if (request->args.getPrivacyPolicy() < persistedPrivacyPolicy) { |
| 494 | persistedPrivacyPolicy = request->args.getPrivacyPolicy(); |
| 495 | } |
| 496 | }); |
| 497 | mPersistedFile->setMaxPersistedPrivacyPolicy(persistedPrivacyPolicy); |
| 498 | err = mPersistedFile->saveEnvelope(); |
| 499 | if (err != NO_ERROR) { |
| 500 | mWorkDirectory->remove(mPersistedFile); |
| 501 | mPersistedFile = nullptr; |
| 502 | } |
| 503 | mWriter.setMaxPersistedPrivacyPolicy(persistedPrivacyPolicy); |
| 504 | } |
| 505 | |
| 506 | if (mPersistedFile != nullptr) { |
| 507 | err = mPersistedFile->startWritingDataFile(); |
| 508 | if (err != NO_ERROR) { |
| 509 | mWorkDirectory->remove(mPersistedFile); |
| 510 | mPersistedFile = nullptr; |
| 511 | } |
| 512 | } |
| 513 | |
| 514 | if (mPersistedFile != nullptr) { |
| 515 | mWriter.setPersistedFile(mPersistedFile); |
| 516 | } else { |
| 517 | ALOGW("Error creating the persisted file, so clearing persisted reports."); |
| 518 | // If we couldn't open the file (permissions err, etc), then |
| 519 | // we still want to proceed with any streaming reports, but |
| 520 | // cancel all of the persisted ones. |
| 521 | mBatch->forEachPersistedRequest([](const sp<ReportRequest>& request) { |
| 522 | sp<IIncidentReportStatusListener> listener = request->getListener(); |
| 523 | if (listener != nullptr) { |
| 524 | listener->onReportFailed(); |
| 525 | } |
| 526 | }); |
| 527 | mBatch->clearPersistedRequests(); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 528 | } |
| 529 | } |
| 530 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 531 | // If we have a persisted ID, then we allow all the readers to see that. There's |
| 532 | // enough in the data to allow for a join, and nothing in here that intrisincally |
| 533 | // could ever prevent that, so just give them the ID. If we don't have that then we |
| 534 | // make and ID that's extremely likely to be unique, but clock resetting could allow |
| 535 | // it to be duplicate. |
| 536 | int64_t reportId; |
| 537 | if (mPersistedFile != nullptr) { |
| 538 | reportId = mPersistedFile->getTimestampNs(); |
| 539 | } else { |
| 540 | struct timespec spec; |
| 541 | clock_gettime(CLOCK_REALTIME, &spec); |
| 542 | reportId = (spec.tv_sec) * 1000 + spec.tv_nsec; |
| 543 | } |
| 544 | |
| 545 | // Write the incident report headers - each request gets its own headers. It's different |
| 546 | // from the other top-level fields in IncidentReport that are the sections where the rest |
| 547 | // is all shared data (although with their own individual privacy filtering). |
| 548 | mBatch->forEachStreamingRequest([](const sp<ReportRequest>& request) { |
| 549 | const vector<vector<uint8_t>>& headers = request->args.headers(); |
| 550 | for (vector<vector<uint8_t>>::const_iterator buf = headers.begin(); buf != headers.end(); |
| 551 | buf++) { |
| 552 | // If there was an error now, there will be an error later and we will remove |
| 553 | // it from the list then. |
Yao Chen | cbafce9 | 2019-04-01 15:56:44 -0700 | [diff] [blame^] | 554 | write_header_section(request->getFd(), buf->data(), buf->size()); |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 555 | } |
| 556 | }); |
| 557 | |
| 558 | // If writing to any of the headers failed, we don't want to keep processing |
| 559 | // sections for it. |
| 560 | cancel_and_remove_failed_requests(); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 561 | |
| 562 | // For each of the report fields, see if we need it, and if so, execute the command |
| 563 | // and report to those that care that we're doing it. |
Yi Jin | b592e3b | 2018-02-01 15:17:04 -0800 | [diff] [blame] | 564 | for (const Section** section = SECTION_LIST; *section; section++) { |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 565 | const int sectionId = (*section)->id; |
| 566 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 567 | // If nobody wants this section, skip it. |
| 568 | if (!mBatch->containsSection(sectionId)) { |
| 569 | continue; |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 570 | } |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 571 | |
| 572 | ALOGD("Start incident report section %d '%s'", sectionId, (*section)->name.string()); |
| 573 | IncidentMetadata::SectionStats* sectionMetadata = metadata.add_sections(); |
| 574 | |
| 575 | // Notify listener of starting |
| 576 | mBatch->forEachListener(sectionId, [sectionId](const auto& listener) { |
| 577 | listener->onReportSectionStatus( |
| 578 | sectionId, IIncidentReportStatusListener::STATUS_STARTING); |
| 579 | }); |
| 580 | |
| 581 | // Go get the data and write it into the file descriptors. |
| 582 | mWriter.startSection(sectionId); |
| 583 | err = (*section)->Execute(&mWriter); |
| 584 | mWriter.endSection(sectionMetadata); |
| 585 | |
| 586 | // Sections returning errors are fatal. Most errors should not be fatal. |
| 587 | if (err != NO_ERROR) { |
| 588 | mWriter.error((*section), err, "Section failed. Stopping report."); |
| 589 | goto DONE; |
| 590 | } |
| 591 | |
| 592 | // The returned max data size is used for throttling too many incident reports. |
| 593 | (*reportByteSize) += sectionMetadata->report_size_bytes(); |
| 594 | |
| 595 | // For any requests that failed during this section, remove them now. We do this |
| 596 | // before calling back about section finished, so listeners do not erroniously get the |
| 597 | // impression that the section succeeded. But we do it here instead of inside |
| 598 | // writeSection so that the callback is done from a known context and not from the |
| 599 | // bowels of a section, where changing the batch could cause odd errors. |
| 600 | cancel_and_remove_failed_requests(); |
| 601 | |
| 602 | // Notify listener of finishing |
| 603 | mBatch->forEachListener(sectionId, [sectionId](const auto& listener) { |
| 604 | listener->onReportSectionStatus( |
| 605 | sectionId, IIncidentReportStatusListener::STATUS_FINISHED); |
| 606 | }); |
| 607 | |
| 608 | ALOGD("Finish incident report section %d '%s'", sectionId, (*section)->name.string()); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 609 | } |
| 610 | |
Yi Jin | edfd5bb | 2017-09-06 17:09:11 -0700 | [diff] [blame] | 611 | DONE: |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 612 | // Finish up the persisted file. |
| 613 | if (mPersistedFile != nullptr) { |
| 614 | mPersistedFile->closeDataFile(); |
Yi Jin | 329130b | 2018-02-09 16:47:47 -0800 | [diff] [blame] | 615 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 616 | // Set the stored metadata |
| 617 | IncidentReportArgs combinedArgs; |
| 618 | mBatch->getCombinedPersistedArgs(&combinedArgs); |
| 619 | IncidentMetadata persistedMetadata; |
| 620 | make_metadata(&persistedMetadata, metadata, mPersistedFile->getTimestampNs(), |
| 621 | persistedPrivacyPolicy, &combinedArgs); |
| 622 | mPersistedFile->setMetadata(persistedMetadata); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 623 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 624 | mPersistedFile->markCompleted(); |
| 625 | err = mPersistedFile->saveEnvelope(); |
| 626 | if (err != NO_ERROR) { |
| 627 | ALOGW("mPersistedFile->saveEnvelope returned %s. Won't send broadcast", |
| 628 | strerror(-err)); |
| 629 | // Abandon ship. |
| 630 | mWorkDirectory->remove(mPersistedFile); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 631 | } |
| 632 | } |
| 633 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 634 | // Write the metadata to the streaming ones |
| 635 | mBatch->forEachStreamingRequest([reportId, &metadata](const sp<ReportRequest>& request) { |
| 636 | IncidentMetadata streamingMetadata; |
| 637 | make_metadata(&streamingMetadata, metadata, reportId, |
| 638 | request->args.getPrivacyPolicy(), request); |
| 639 | status_t nonFatalErr = write_section(request->getFd(), FIELD_ID_METADATA, |
| 640 | streamingMetadata); |
| 641 | if (nonFatalErr != NO_ERROR) { |
| 642 | ALOGW("Error writing the metadata to streaming incident report. This is the last" |
| 643 | " thing so we won't return an error: %s", strerror(nonFatalErr)); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 644 | } |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 645 | }); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 646 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 647 | // Finish up the streaming ones. |
| 648 | mBatch->forEachStreamingRequest([](const sp<ReportRequest>& request) { |
| 649 | request->closeFd(); |
| 650 | }); |
| 651 | |
| 652 | // Tell the listeners that we're done. |
| 653 | if (err == NO_ERROR) { |
| 654 | mBatch->forEachListener([](const auto& listener) { |
| 655 | listener->onReportFinished(); |
| 656 | }); |
| 657 | } else { |
| 658 | mBatch->forEachListener([](const auto& listener) { |
| 659 | listener->onReportFailed(); |
| 660 | }); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 661 | } |
| 662 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 663 | ALOGI("Done taking incident report err=%s", strerror(-err)); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 664 | } |
| 665 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 666 | void Reporter::cancel_and_remove_failed_requests() { |
| 667 | // Handle a failure in the persisted file |
| 668 | if (mPersistedFile != nullptr) { |
| 669 | if (mPersistedFile->getWriteError() != NO_ERROR) { |
| 670 | ALOGW("Error writing to the persisted file (%s). Closing it and canceling.", |
| 671 | strerror(-mPersistedFile->getWriteError())); |
| 672 | mBatch->forEachPersistedRequest([this](const sp<ReportRequest>& request) { |
| 673 | sp<IIncidentReportStatusListener> listener = request->getListener(); |
| 674 | if (listener != nullptr) { |
| 675 | listener->onReportFailed(); |
| 676 | } |
| 677 | mBatch->removeRequest(request); |
| 678 | }); |
| 679 | mWriter.setPersistedFile(nullptr); |
| 680 | mPersistedFile->closeDataFile(); |
| 681 | mWorkDirectory->remove(mPersistedFile); |
| 682 | mPersistedFile = nullptr; |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 683 | } |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 684 | } |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 685 | |
Joe Onorato | 99598ee | 2019-02-11 15:55:13 +0000 | [diff] [blame] | 686 | // Handle failures in the streaming files |
| 687 | vector<sp<ReportRequest>> failed; |
| 688 | mBatch->getFailedRequests(&failed); |
| 689 | for (sp<ReportRequest>& request: failed) { |
| 690 | ALOGW("Error writing to a request stream (%s). Closing it and canceling.", |
| 691 | strerror(-request->getStatus())); |
| 692 | sp<IIncidentReportStatusListener> listener = request->getListener(); |
| 693 | if (listener != nullptr) { |
| 694 | listener->onReportFailed(); |
| 695 | } |
| 696 | request->closeFd(); // Will only close the streaming ones. |
| 697 | mBatch->removeRequest(request); |
| 698 | } |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 699 | } |
Yi Jin | 6cacbcb | 2018-03-30 14:04:52 -0700 | [diff] [blame] | 700 | |
| 701 | } // namespace incidentd |
| 702 | } // namespace os |
| 703 | } // namespace android |