| /* |
| * 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. |
| */ |
| |
| #define LOG_TAG "incident" |
| |
| #include "incident_sections.h" |
| |
| #include <android/os/BnIncidentReportStatusListener.h> |
| #include <android/os/IIncidentManager.h> |
| #include <android/os/IncidentReportArgs.h> |
| #include <android/util/ProtoOutputStream.h> |
| #include <binder/IPCThreadState.h> |
| #include <binder/IServiceManager.h> |
| #include <utils/Looper.h> |
| |
| #include <cstring> |
| #include <fcntl.h> |
| #include <getopt.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| |
| using namespace android; |
| using namespace android::base; |
| using namespace android::binder; |
| using namespace android::os; |
| using android::util::FIELD_COUNT_SINGLE; |
| using android::util::FIELD_TYPE_STRING; |
| using android::util::ProtoOutputStream; |
| |
| // ================================================================================ |
| class StatusListener : public BnIncidentReportStatusListener { |
| public: |
| StatusListener(); |
| virtual ~StatusListener(); |
| |
| virtual Status onReportStarted(); |
| virtual Status onReportSectionStatus(int32_t section, int32_t status); |
| virtual Status onReportServiceStatus(const String16& service, int32_t status); |
| virtual Status onReportFinished(); |
| virtual Status onReportFailed(); |
| |
| int getExitCodeOrElse(int defaultCode); |
| private: |
| int mExitCode; |
| }; |
| |
| StatusListener::StatusListener(): mExitCode(-1) |
| { |
| } |
| |
| StatusListener::~StatusListener() |
| { |
| } |
| |
| Status |
| StatusListener::onReportStarted() |
| { |
| return Status::ok(); |
| } |
| |
| Status |
| StatusListener::onReportSectionStatus(int32_t section, int32_t status) |
| { |
| fprintf(stderr, "section %d status %d\n", section, status); |
| ALOGD("section %d status %d\n", section, status); |
| return Status::ok(); |
| } |
| |
| Status |
| StatusListener::onReportServiceStatus(const String16& service, int32_t status) |
| { |
| fprintf(stderr, "service '%s' status %d\n", String8(service).string(), status); |
| ALOGD("service '%s' status %d\n", String8(service).string(), status); |
| return Status::ok(); |
| } |
| |
| Status |
| StatusListener::onReportFinished() |
| { |
| fprintf(stderr, "done\n"); |
| ALOGD("done\n"); |
| mExitCode = 0; |
| return Status::ok(); |
| } |
| |
| Status |
| StatusListener::onReportFailed() |
| { |
| fprintf(stderr, "failed\n"); |
| ALOGD("failed\n"); |
| mExitCode = 1; |
| return Status::ok(); |
| } |
| |
| int |
| StatusListener::getExitCodeOrElse(int defaultCode) { |
| return mExitCode == -1 ? defaultCode : mExitCode; |
| } |
| |
| // ================================================================================ |
| static void section_list(FILE* out) { |
| IncidentSection sections[INCIDENT_SECTION_COUNT]; |
| int i = 0; |
| int j = 0; |
| // sort the sections based on id |
| while (i < INCIDENT_SECTION_COUNT) { |
| IncidentSection curr = INCIDENT_SECTIONS[i]; |
| for (int k = 0; k < j; k++) { |
| if (curr.id > sections[k].id) { |
| continue; |
| } |
| IncidentSection tmp = curr; |
| curr = sections[k]; |
| sections[k] = tmp; |
| } |
| sections[j] = curr; |
| i++; |
| j++; |
| } |
| |
| fprintf(out, "available sections:\n"); |
| for (int i = 0; i < INCIDENT_SECTION_COUNT; ++i) { |
| fprintf(out, "id: %4d, name: %s\n", sections[i].id, sections[i].name); |
| } |
| } |
| |
| // ================================================================================ |
| static IncidentSection const* |
| find_section(const char* name) |
| { |
| ssize_t low = 0; |
| ssize_t high = INCIDENT_SECTION_COUNT - 1; |
| |
| while (low <= high) { |
| ssize_t mid = (low + high) / 2; |
| IncidentSection const* section = INCIDENT_SECTIONS + mid; |
| |
| int cmp = strcmp(section->name, name); |
| if (cmp < 0) { |
| low = mid + 1; |
| } else if (cmp > 0) { |
| high = mid - 1; |
| } else { |
| return section; |
| } |
| } |
| return NULL; |
| } |
| |
| // ================================================================================ |
| static int |
| get_privacy_policy(const char* arg) |
| { |
| if (strcmp(arg, "L") == 0 |
| || strcmp(arg, "LOCAL") == 0) { |
| return PRIVACY_POLICY_LOCAL; |
| } |
| if (strcmp(arg, "E") == 0 |
| || strcmp(arg, "EXPLICIT") == 0) { |
| return PRIVACY_POLICY_EXPLICIT; |
| } |
| if (strcmp(arg, "A") == 0 |
| || strcmp(arg, "AUTO") == 0 |
| || strcmp(arg, "AUTOMATIC") == 0) { |
| return PRIVACY_POLICY_AUTOMATIC; |
| } |
| return -1; // return the default value |
| } |
| |
| // ================================================================================ |
| static bool |
| parse_receiver_arg(const string& arg, string* pkg, string* cls) |
| { |
| if (arg.length() == 0) { |
| return true; |
| } |
| size_t slash = arg.find('/'); |
| if (slash == string::npos) { |
| return false; |
| } |
| if (slash == 0 || slash == arg.length() - 1) { |
| return false; |
| } |
| if (arg.find('/', slash+1) != string::npos) { |
| return false; |
| } |
| pkg->assign(arg, 0, slash); |
| cls->assign(arg, slash+1); |
| if ((*cls)[0] == '.') { |
| *cls = (*pkg) + (*cls); |
| } |
| return true; |
| } |
| |
| // ================================================================================ |
| static int |
| stream_output(const int read_fd, const int write_fd) { |
| while (true) { |
| int amt = splice(read_fd, NULL, write_fd, NULL, 4096, 0); |
| if (amt < 0) { |
| return errno; |
| } else if (amt == 0) { |
| return 0; |
| } |
| } |
| } |
| |
| // ================================================================================ |
| static void |
| usage(FILE* out) |
| { |
| fprintf(out, "usage: incident OPTIONS [SECTION...]\n"); |
| fprintf(out, "\n"); |
| fprintf(out, "Takes an incident report.\n"); |
| fprintf(out, "\n"); |
| fprintf(out, "OPTIONS\n"); |
| fprintf(out, " -l list available sections\n"); |
| fprintf(out, " -p privacy spec, LOCAL, EXPLICIT or AUTOMATIC. Default AUTOMATIC.\n"); |
| fprintf(out, " -r REASON human readable description of why the report is taken.\n"); |
| fprintf(out, " -z gzip the incident report, i.e. pipe the output through gzip.\n"); |
| fprintf(out, "\n"); |
| fprintf(out, "and one of these destinations:\n"); |
| fprintf(out, " -b (default) print the report to stdout (in proto format)\n"); |
| fprintf(out, " -d send the report into dropbox\n"); |
| fprintf(out, " -u print a full report to stdout for dumpstate to zip as a bug\n"); |
| fprintf(out, " report. SECTION is ignored. Should only be called by dumpstate.\n"); |
| fprintf(out, " -s PKG/CLS send broadcast to the broadcast receiver.\n"); |
| fprintf(out, "\n"); |
| fprintf(out, " SECTION the field numbers of the incident report fields to include\n"); |
| fprintf(out, "\n"); |
| } |
| |
| int |
| main(int argc, char** argv) |
| { |
| Status status; |
| IncidentReportArgs args; |
| enum { DEST_UNSET, DEST_DROPBOX, DEST_STDOUT, DEST_BROADCAST, DEST_DUMPSTATE } destination = DEST_UNSET; |
| int privacyPolicy = PRIVACY_POLICY_AUTOMATIC; |
| string reason; |
| string receiverArg; |
| |
| // Parse the args |
| int opt; |
| while ((opt = getopt(argc, argv, "bhdlp:r:s:uz")) != -1) { |
| switch (opt) { |
| case 'h': |
| usage(stdout); |
| return 0; |
| case 'l': |
| section_list(stdout); |
| return 0; |
| case 'b': |
| if (!(destination == DEST_UNSET || destination == DEST_STDOUT)) { |
| usage(stderr); |
| return 1; |
| } |
| destination = DEST_STDOUT; |
| break; |
| case 'd': |
| if (!(destination == DEST_UNSET || destination == DEST_DROPBOX)) { |
| usage(stderr); |
| return 1; |
| } |
| destination = DEST_DROPBOX; |
| break; |
| case 'u': |
| if (!(destination == DEST_UNSET || destination == DEST_DUMPSTATE)) { |
| usage(stderr); |
| return 1; |
| } |
| destination = DEST_DUMPSTATE; |
| break; |
| case 'p': |
| privacyPolicy = get_privacy_policy(optarg); |
| break; |
| case 'r': |
| if (reason.size() > 0) { |
| usage(stderr); |
| return 1; |
| } |
| reason = optarg; |
| break; |
| case 's': |
| if (destination != DEST_UNSET) { |
| usage(stderr); |
| return 1; |
| } |
| destination = DEST_BROADCAST; |
| receiverArg = optarg; |
| break; |
| case 'z': |
| args.setGzip(true); |
| break; |
| default: |
| usage(stderr); |
| return 1; |
| } |
| } |
| if (destination == DEST_UNSET) { |
| destination = DEST_STDOUT; |
| } |
| |
| string pkg; |
| string cls; |
| if (parse_receiver_arg(receiverArg, &pkg, &cls)) { |
| args.setReceiverPkg(pkg); |
| args.setReceiverCls(cls); |
| } else { |
| fprintf(stderr, "badly formatted -s package/class option: %s\n\n", receiverArg.c_str()); |
| usage(stderr); |
| return 1; |
| } |
| |
| if (optind == argc) { |
| args.setAll(true); |
| } else { |
| for (int i=optind; i<argc; i++) { |
| const char* arg = argv[i]; |
| char* end; |
| if (arg[0] != '\0') { |
| int section = strtol(arg, &end, 0); |
| if (*end == '\0') { |
| args.addSection(section); |
| } else { |
| IncidentSection const* ic = find_section(arg); |
| if (ic == NULL) { |
| ALOGD("Invalid section: %s\n", arg); |
| fprintf(stderr, "Invalid section: %s\n", arg); |
| return 1; |
| } |
| args.addSection(ic->id); |
| } |
| } |
| } |
| } |
| args.setPrivacyPolicy(privacyPolicy); |
| |
| if (reason.size() > 0) { |
| ProtoOutputStream proto; |
| proto.write(/* reason field id */ 2 | FIELD_TYPE_STRING | FIELD_COUNT_SINGLE, reason); |
| vector<uint8_t> header; |
| proto.serializeToVector(&header); |
| args.addHeader(header); |
| } |
| |
| // Start the thread pool. |
| sp<ProcessState> ps(ProcessState::self()); |
| ps->startThreadPool(); |
| ps->giveThreadPoolName(); |
| |
| // Look up the service |
| sp<IIncidentManager> service = interface_cast<IIncidentManager>( |
| defaultServiceManager()->getService(android::String16("incident"))); |
| if (service == NULL) { |
| fprintf(stderr, "Couldn't look up the incident service\n"); |
| return 1; |
| } |
| |
| // Construct the stream |
| int fds[2]; |
| pipe(fds); |
| |
| unique_fd readEnd(fds[0]); |
| unique_fd writeEnd(fds[1]); |
| |
| if (destination == DEST_STDOUT) { |
| // Call into the service |
| sp<StatusListener> listener(new StatusListener()); |
| status = service->reportIncidentToStream(args, listener, std::move(writeEnd)); |
| |
| if (!status.isOk()) { |
| fprintf(stderr, "reportIncident returned \"%s\"\n", status.toString8().string()); |
| return 1; |
| } |
| |
| // Wait for the result and print out the data they send. |
| //IPCThreadState::self()->joinThreadPool(); |
| return listener->getExitCodeOrElse(stream_output(fds[0], STDOUT_FILENO)); |
| } else if (destination == DEST_DUMPSTATE) { |
| // Call into the service |
| sp<StatusListener> listener(new StatusListener()); |
| status = service->reportIncidentToDumpstate(std::move(writeEnd), listener); |
| if (!status.isOk()) { |
| fprintf(stderr, "reportIncident returned \"%s\"\n", status.toString8().string()); |
| return 1; |
| } |
| return listener->getExitCodeOrElse(stream_output(fds[0], STDOUT_FILENO)); |
| } else { |
| status = service->reportIncident(args); |
| if (!status.isOk()) { |
| fprintf(stderr, "reportIncident returned \"%s\"\n", status.toString8().string()); |
| return 1; |
| } else { |
| return 0; |
| } |
| } |
| |
| } |