#include <memory>
#include <regex>
#include <set>
-#include <signal.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>
+#include <android-base/file.h>
#include <android-base/stringprintf.h>
+#include <android-base/strings.h>
#include <android-base/unique_fd.h>
-#include <android-base/file.h>
#include <cutils/properties.h>
-#include <hardware_legacy/power.h>
#include <private/android_filesystem_config.h>
#include <private/android_logger.h>
#define TOMBSTONE_MAX_LEN (sizeof(TOMBSTONE_FILE_PREFIX) + 4)
#define NUM_TOMBSTONES 10
#define WLUTIL "/vendor/xbin/wlutil"
-#define WAKE_LOCK_NAME "dumpstate_wakelock"
typedef struct {
char name[TOMBSTONE_MAX_LEN];
}
}
+/**
+ * Finds the last modified file in the directory dir whose name starts with file_prefix
+ * Function returns empty string when it does not find a file
+ */
+static std::string get_last_modified_file_matching_prefix(const std::string& dir,
+ const std::string& file_prefix) {
+ std::unique_ptr<DIR, decltype(&closedir)> d(opendir(dir.c_str()), closedir);
+ if (d == nullptr) {
+ MYLOGD("Error %d opening %s\n", errno, dir.c_str());
+ return "";
+ }
+
+ // Find the newest file matching the file_prefix in dir
+ struct dirent *de;
+ time_t last_modified = 0;
+ std::string last_modified_file = "";
+ struct stat s;
+
+ while ((de = readdir(d.get()))) {
+ std::string file = std::string(de->d_name);
+ if (!file_prefix.empty()) {
+ if (!android::base::StartsWith(file, file_prefix.c_str())) continue;
+ }
+ file = dir + "/" + file;
+ int ret = stat(file.c_str(), &s);
+
+ if ((ret == 0) && (s.st_mtime > last_modified)) {
+ last_modified_file = file;
+ last_modified = s.st_mtime;
+ }
+ }
+
+ return last_modified_file;
+}
+
+void dump_modem_logs() {
+ DurationReporter duration_reporter("dump_modem_logs");
+ if (is_user_build()) {
+ return;
+ }
+
+ if (!is_zipping()) {
+ MYLOGD("Not dumping modem logs. dumpstate is not generating a zipping bugreport\n");
+ return;
+ }
+
+ char property[PROPERTY_VALUE_MAX];
+ property_get("ro.radio.log_prefix", property, "");
+ std::string file_prefix = std::string(property);
+ if(file_prefix.empty()) {
+ MYLOGD("No modem log : file_prefix is empty\n");
+ return;
+ }
+
+ MYLOGD("dump_modem_logs: directory is %s and file_prefix is %s\n",
+ bugreport_dir.c_str(), file_prefix.c_str());
+
+ std::string modem_log_file =
+ get_last_modified_file_matching_prefix(bugreport_dir, file_prefix);
+
+ struct stat s;
+ if (modem_log_file.empty() || stat(modem_log_file.c_str(), &s) != 0) {
+ MYLOGD("Modem log %s does not exist\n", modem_log_file.c_str());
+ return;
+ }
+
+ std::string filename = basename(modem_log_file.c_str());
+ if (!add_zip_entry(filename, modem_log_file)) {
+ MYLOGE("Unable to add modem log %s to zip file\n", modem_log_file.c_str());
+ } else {
+ MYLOGD("Modem Log %s is added to zip\n", modem_log_file.c_str());
+ }
+}
+
static bool skip_not_stat(const char *path) {
static const char stat[] = "/stat";
size_t len = strlen(path);
run_command("APP PROVIDERS", 30, "dumpsys", "-t", "30", "activity", "provider", "all", NULL);
+ // dump_modem_logs adds the modem logs if available to the bugreport.
+ // Do this at the end to allow for sufficient time for the modem logs to be
+ // collected.
+ dump_modem_logs();
printf("========================================================\n");
printf("== Final progress (pid %d): %d/%d (originally %d)\n",
VERSION_DEFAULT.c_str());
}
-static void wake_lock_releaser() {
- if (release_wake_lock(WAKE_LOCK_NAME) < 0) {
- MYLOGE("Failed to release wake lock: %s \n", strerror(errno));
- } else {
- MYLOGD("Wake lock released.\n");
- }
-}
-
-static void sig_handler(int signo) {
- wake_lock_releaser();
+static void sigpipe_handler(int n) {
+ // don't complain to stderr or stdout
_exit(EXIT_FAILURE);
}
-static void register_sig_handler() {
- struct sigaction sa;
- sigemptyset(&sa.sa_mask);
- sa.sa_flags = 0;
- sa.sa_handler = sig_handler;
- sigaction(SIGPIPE, &sa, NULL); // broken pipe
- sigaction(SIGSEGV, &sa, NULL); // segment fault
- sigaction(SIGINT, &sa, NULL); // ctrl-c
- sigaction(SIGTERM, &sa, NULL); // killed
- sigaction(SIGQUIT, &sa, NULL); // quit
-}
-
/* adds the temporary report to the existing .zip file, closes the .zip file, and removes the
temporary file.
*/
}
int main(int argc, char *argv[]) {
+ struct sigaction sigact;
int do_add_date = 0;
int do_zip_file = 0;
int do_vibrate = 1;
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 {
- MYLOGD("Wake lock acquired.\n");
- atexit(wake_lock_releaser);
- register_sig_handler();
- }
-
/* gets the sequential id */
char last_id[PROPERTY_VALUE_MAX];
property_get("dumpstate.last_id", last_id, "0");
property_set("dumpstate.last_id", last_id);
MYLOGI("dumpstate id: %lu\n", id);
+ /* clear SIGPIPE handler */
+ memset(&sigact, 0, sizeof(sigact));
+ sigact.sa_handler = sigpipe_handler;
+ sigaction(SIGPIPE, &sigact, NULL);
+
/* set as high priority, and protect from OOM killer */
setpriority(PRIO_PROCESS, 0, -20);
* if the label of that top-level file actually changed. This can save us
* significant time by avoiding no-op traversals of large filesystem trees.
*/
-static int restorecon_app_data_lazy(const char* path, const char* seinfo, uid_t uid) {
+static int restorecon_app_data_lazy(const std::string& path, const char* seinfo, uid_t uid) {
int res = 0;
char* before = nullptr;
char* after = nullptr;
// Note that SELINUX_ANDROID_RESTORECON_DATADATA flag is set by
// libselinux. Not needed here.
- if (lgetfilecon(path, &before) < 0) {
+ if (lgetfilecon(path.c_str(), &before) < 0) {
PLOG(ERROR) << "Failed before getfilecon for " << path;
goto fail;
}
- if (selinux_android_restorecon_pkgdir(path, seinfo, uid, 0) < 0) {
+ if (selinux_android_restorecon_pkgdir(path.c_str(), seinfo, uid, 0) < 0) {
PLOG(ERROR) << "Failed top-level restorecon for " << path;
goto fail;
}
- if (lgetfilecon(path, &after) < 0) {
+ if (lgetfilecon(path.c_str(), &after) < 0) {
PLOG(ERROR) << "Failed after getfilecon for " << path;
goto fail;
}
if (strcmp(before, after)) {
LOG(DEBUG) << "Detected label change from " << before << " to " << after << " at " << path
<< "; running recursive restorecon";
- if (selinux_android_restorecon_pkgdir(path, seinfo, uid,
+ if (selinux_android_restorecon_pkgdir(path.c_str(), seinfo, uid,
SELINUX_ANDROID_RESTORECON_RECURSE) < 0) {
PLOG(ERROR) << "Failed recursive restorecon for " << path;
goto fail;
return res;
}
+static int restorecon_app_data_lazy(const std::string& parent, const char* name, const char* seinfo,
+ uid_t uid) {
+ return restorecon_app_data_lazy(StringPrintf("%s/%s", parent.c_str(), name), seinfo, uid);
+}
+
static int prepare_app_dir(const std::string& path, mode_t target_mode, uid_t uid) {
if (fs_prepare_dir_strict(path.c_str(), target_mode, uid, uid) != 0) {
PLOG(ERROR) << "Failed to prepare " << path;
}
// Consider restorecon over contents if label changed
- if (restorecon_app_data_lazy(path.c_str(), seinfo, uid)) {
+ if (restorecon_app_data_lazy(path, seinfo, uid) ||
+ restorecon_app_data_lazy(path, "cache", seinfo, uid) ||
+ restorecon_app_data_lazy(path, "code_cache", seinfo, uid)) {
return -1;
}
}
// Consider restorecon over contents if label changed
- if (restorecon_app_data_lazy(path.c_str(), seinfo, uid)) {
+ if (restorecon_app_data_lazy(path, seinfo, uid)) {
return -1;
}
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