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-rw-r--r--recovery.cpp136
1 files changed, 63 insertions, 73 deletions
diff --git a/recovery.cpp b/recovery.cpp
index cd4f361fe..6989fe00d 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -44,13 +44,15 @@
#include <android-base/parseint.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
+#include <android-base/unique_fd.h>
#include <bootloader_message/bootloader_message.h>
#include <cutils/android_reboot.h>
#include <cutils/properties.h>
+#include <healthd/BatteryMonitor.h>
#include <log/logger.h> /* Android Log packet format */
#include <private/android_logger.h> /* private pmsg functions */
-
-#include <healthd/BatteryMonitor.h>
+#include <selinux/label.h>
+#include <selinux/selinux.h>
#include "adb_install.h"
#include "common.h"
@@ -64,13 +66,11 @@
#include "minzip/Zip.h"
#include "roots.h"
#include "ui.h"
-#include "unique_fd.h"
#include "screen_ui.h"
struct selabel_handle *sehandle;
static const struct option OPTIONS[] = {
- { "send_intent", required_argument, NULL, 'i' },
{ "update_package", required_argument, NULL, 'u' },
{ "retry_count", required_argument, NULL, 'n' },
{ "wipe_data", no_argument, NULL, 'w' },
@@ -97,7 +97,6 @@ static const std::vector<std::string> bootreason_blacklist {
static const char *CACHE_LOG_DIR = "/cache/recovery";
static const char *COMMAND_FILE = "/cache/recovery/command";
-static const char *INTENT_FILE = "/cache/recovery/intent";
static const char *LOG_FILE = "/cache/recovery/log";
static const char *LAST_INSTALL_FILE = "/cache/recovery/last_install";
static const char *LOCALE_FILE = "/cache/recovery/last_locale";
@@ -132,10 +131,8 @@ static bool has_cache = false;
* The recovery tool communicates with the main system through /cache files.
* /cache/recovery/command - INPUT - command line for tool, one arg per line
* /cache/recovery/log - OUTPUT - combined log file from recovery run(s)
- * /cache/recovery/intent - OUTPUT - intent that was passed in
*
* The arguments which may be supplied in the recovery.command file:
- * --send_intent=anystring - write the text out to recovery.intent
* --update_package=path - verify install an OTA package file
* --wipe_data - erase user data (and cache), then reboot
* --wipe_cache - wipe cache (but not user data), then reboot
@@ -424,7 +421,7 @@ static void copy_log_file_to_pmsg(const char* source, const char* destination) {
}
// How much of the temp log we have copied to the copy in cache.
-static long tmplog_offset = 0;
+static off_t tmplog_offset = 0;
static void copy_log_file(const char* source, const char* destination, bool append) {
FILE* dest_fp = fopen_path(destination, append ? "a" : "w");
@@ -434,7 +431,7 @@ static void copy_log_file(const char* source, const char* destination, bool appe
FILE* source_fp = fopen(source, "r");
if (source_fp != nullptr) {
if (append) {
- fseek(source_fp, tmplog_offset, SEEK_SET); // Since last write
+ fseeko(source_fp, tmplog_offset, SEEK_SET); // Since last write
}
char buf[4096];
size_t bytes;
@@ -442,7 +439,7 @@ static void copy_log_file(const char* source, const char* destination, bool appe
fwrite(buf, 1, bytes, dest_fp);
}
if (append) {
- tmplog_offset = ftell(source_fp);
+ tmplog_offset = ftello(source_fp);
}
check_and_fclose(source_fp, source);
}
@@ -516,22 +513,10 @@ static void copy_logs() {
}
// clear the recovery command and prepare to boot a (hopefully working) system,
-// copy our log file to cache as well (for the system to read), and
-// record any intent we were asked to communicate back to the system.
-// this function is idempotent: call it as many times as you like.
+// copy our log file to cache as well (for the system to read). This function is
+// idempotent: call it as many times as you like.
static void
-finish_recovery(const char *send_intent) {
- // By this point, we're ready to return to the main system...
- if (send_intent != NULL && has_cache) {
- FILE *fp = fopen_path(INTENT_FILE, "w");
- if (fp == NULL) {
- LOGE("Can't open %s\n", INTENT_FILE);
- } else {
- fputs(send_intent, fp);
- check_and_fclose(fp, INTENT_FILE);
- }
- }
-
+finish_recovery() {
// Save the locale to cache, so if recovery is next started up
// without a --locale argument (eg, directly from the bootloader)
// it will use the last-known locale.
@@ -541,10 +526,12 @@ finish_recovery(const char *send_intent) {
if (has_cache) {
LOGI("Saving locale \"%s\"\n", locale);
FILE* fp = fopen_path(LOCALE_FILE, "w");
- fwrite(locale, 1, len, fp);
- fflush(fp);
- fsync(fileno(fp));
- check_and_fclose(fp, LOCALE_FILE);
+ if (fp != NULL) {
+ fwrite(locale, 1, len, fp);
+ fflush(fp);
+ fsync(fileno(fp));
+ check_and_fclose(fp, LOCALE_FILE);
+ }
}
}
@@ -884,14 +871,14 @@ static bool wipe_cache(bool should_confirm, Device* device) {
// Otherwise, it goes with BLKDISCARD (if device supports BLKDISCARDZEROES) or
// BLKZEROOUT.
static bool secure_wipe_partition(const std::string& partition) {
- unique_fd fd(TEMP_FAILURE_RETRY(open(partition.c_str(), O_WRONLY)));
- if (fd.get() == -1) {
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(partition.c_str(), O_WRONLY)));
+ if (fd == -1) {
LOGE("failed to open \"%s\": %s\n", partition.c_str(), strerror(errno));
return false;
}
uint64_t range[2] = {0, 0};
- if (ioctl(fd.get(), BLKGETSIZE64, &range[1]) == -1 || range[1] == 0) {
+ if (ioctl(fd, BLKGETSIZE64, &range[1]) == -1 || range[1] == 0) {
LOGE("failed to get partition size: %s\n", strerror(errno));
return false;
}
@@ -899,20 +886,20 @@ static bool secure_wipe_partition(const std::string& partition) {
partition.c_str(), range[0], range[1]);
printf("Trying BLKSECDISCARD...\t");
- if (ioctl(fd.get(), BLKSECDISCARD, &range) == -1) {
+ if (ioctl(fd, BLKSECDISCARD, &range) == -1) {
printf("failed: %s\n", strerror(errno));
// Use BLKDISCARD if it zeroes out blocks, otherwise use BLKZEROOUT.
unsigned int zeroes;
- if (ioctl(fd.get(), BLKDISCARDZEROES, &zeroes) == 0 && zeroes != 0) {
+ if (ioctl(fd, BLKDISCARDZEROES, &zeroes) == 0 && zeroes != 0) {
printf("Trying BLKDISCARD...\t");
- if (ioctl(fd.get(), BLKDISCARD, &range) == -1) {
+ if (ioctl(fd, BLKDISCARD, &range) == -1) {
printf("failed: %s\n", strerror(errno));
return false;
}
} else {
printf("Trying BLKZEROOUT...\t");
- if (ioctl(fd.get(), BLKZEROOUT, &range) == -1) {
+ if (ioctl(fd, BLKZEROOUT, &range) == -1) {
printf("failed: %s\n", strerror(errno));
return false;
}
@@ -1014,45 +1001,50 @@ static bool wipe_ab_device(size_t wipe_package_size) {
}
static void choose_recovery_file(Device* device) {
- if (!has_cache) {
- ui->Print("No /cache partition found.\n");
- return;
- }
-
// "Back" + KEEP_LOG_COUNT * 2 + terminating nullptr entry
char* entries[1 + KEEP_LOG_COUNT * 2 + 1];
memset(entries, 0, sizeof(entries));
unsigned int n = 0;
- // Add LAST_LOG_FILE + LAST_LOG_FILE.x
- // Add LAST_KMSG_FILE + LAST_KMSG_FILE.x
- for (int i = 0; i < KEEP_LOG_COUNT; i++) {
- char* log_file;
- int ret;
- ret = (i == 0) ? asprintf(&log_file, "%s", LAST_LOG_FILE) :
- asprintf(&log_file, "%s.%d", LAST_LOG_FILE, i);
- if (ret == -1) {
- // memory allocation failure - return early. Should never happen.
- return;
- }
- if ((ensure_path_mounted(log_file) != 0) || (access(log_file, R_OK) == -1)) {
- free(log_file);
- } else {
- entries[n++] = log_file;
- }
+ if (has_cache) {
+ // Add LAST_LOG_FILE + LAST_LOG_FILE.x
+ // Add LAST_KMSG_FILE + LAST_KMSG_FILE.x
+ for (int i = 0; i < KEEP_LOG_COUNT; i++) {
+ char* log_file;
+ int ret;
+ ret = (i == 0) ? asprintf(&log_file, "%s", LAST_LOG_FILE) :
+ asprintf(&log_file, "%s.%d", LAST_LOG_FILE, i);
+ if (ret == -1) {
+ // memory allocation failure - return early. Should never happen.
+ return;
+ }
+ if ((ensure_path_mounted(log_file) != 0) || (access(log_file, R_OK) == -1)) {
+ free(log_file);
+ } else {
+ entries[n++] = log_file;
+ }
- char* kmsg_file;
- ret = (i == 0) ? asprintf(&kmsg_file, "%s", LAST_KMSG_FILE) :
- asprintf(&kmsg_file, "%s.%d", LAST_KMSG_FILE, i);
- if (ret == -1) {
- // memory allocation failure - return early. Should never happen.
- return;
+ char* kmsg_file;
+ ret = (i == 0) ? asprintf(&kmsg_file, "%s", LAST_KMSG_FILE) :
+ asprintf(&kmsg_file, "%s.%d", LAST_KMSG_FILE, i);
+ if (ret == -1) {
+ // memory allocation failure - return early. Should never happen.
+ return;
+ }
+ if ((ensure_path_mounted(kmsg_file) != 0) || (access(kmsg_file, R_OK) == -1)) {
+ free(kmsg_file);
+ } else {
+ entries[n++] = kmsg_file;
+ }
}
- if ((ensure_path_mounted(kmsg_file) != 0) || (access(kmsg_file, R_OK) == -1)) {
- free(kmsg_file);
- } else {
- entries[n++] = kmsg_file;
+ } else {
+ // If cache partition is not found, view /tmp/recovery.log instead.
+ ui->Print("No /cache partition found.\n");
+ if (access(TEMPORARY_LOG_FILE, R_OK) == -1) {
+ return;
+ } else{
+ entries[n++] = strdup(TEMPORARY_LOG_FILE);
}
}
@@ -1188,7 +1180,7 @@ static int apply_from_sdcard(Device* device, bool* wipe_cache) {
static Device::BuiltinAction
prompt_and_wait(Device* device, int status) {
for (;;) {
- finish_recovery(NULL);
+ finish_recovery();
switch (status) {
case INSTALL_SUCCESS:
case INSTALL_NONE:
@@ -1461,7 +1453,7 @@ static ssize_t logrotate(
}
std::string name(filename);
- size_t dot = name.find_last_of(".");
+ size_t dot = name.find_last_of('.');
std::string sub = name.substr(0, dot);
if (!strstr(LAST_KMSG_FILE, sub.c_str()) &&
@@ -1477,7 +1469,7 @@ static ssize_t logrotate(
if (!isdigit(number.data()[0])) {
name += ".1";
} else {
- unsigned long long i = std::stoull(number);
+ auto i = std::stoull(number);
name = sub + "." + std::to_string(i + 1);
}
}
@@ -1523,7 +1515,6 @@ int main(int argc, char **argv) {
get_args(&argc, &argv);
- const char *send_intent = NULL;
const char *update_package = NULL;
bool should_wipe_data = false;
bool should_wipe_cache = false;
@@ -1541,7 +1532,6 @@ int main(int argc, char **argv) {
int option_index;
while ((arg = getopt_long(argc, argv, "", OPTIONS, &option_index)) != -1) {
switch (arg) {
- case 'i': send_intent = optarg; break;
case 'n': android::base::ParseInt(optarg, &retry_count, 0); break;
case 'u': update_package = optarg; break;
case 'w': should_wipe_data = true; break;
@@ -1758,7 +1748,7 @@ int main(int argc, char **argv) {
}
// Save logs and clean up before rebooting or shutting down.
- finish_recovery(send_intent);
+ finish_recovery();
switch (after) {
case Device::SHUTDOWN:
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 04:48:51 +0100