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-rw-r--r--recovery.cpp117
1 files changed, 56 insertions, 61 deletions
diff --git a/recovery.cpp b/recovery.cpp
index d7bbb13d3..d2b3eb516 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -75,30 +75,18 @@
#include "stub_ui.h"
#include "ui.h"
-// More bootreasons can be found in "system/core/bootstat/bootstat.cpp".
-static const std::vector<std::string> bootreason_blacklist {
- "kernel_panic",
- "Panic",
-};
-
-static const char *CACHE_LOG_DIR = "/cache/recovery";
-static const char *COMMAND_FILE = "/cache/recovery/command";
-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";
-static const char *CONVERT_FBE_DIR = "/tmp/convert_fbe";
-static const char *CONVERT_FBE_FILE = "/tmp/convert_fbe/convert_fbe";
-static const char *CACHE_ROOT = "/cache";
-static const char *DATA_ROOT = "/data";
-static const char* METADATA_ROOT = "/metadata";
-static const char *SDCARD_ROOT = "/sdcard";
-static const char *LAST_KMSG_FILE = "/cache/recovery/last_kmsg";
-static const char *LAST_LOG_FILE = "/cache/recovery/last_log";
-// We will try to apply the update package 5 times at most in case of an I/O error or
-// bspatch | imgpatch error.
-static const int RETRY_LIMIT = 4;
-static constexpr const char* RECOVERY_WIPE = "/etc/recovery.wipe";
-static constexpr const char* DEFAULT_LOCALE = "en-US";
+static constexpr const char* CACHE_LOG_DIR = "/cache/recovery";
+static constexpr const char* COMMAND_FILE = "/cache/recovery/command";
+static constexpr const char* LOG_FILE = "/cache/recovery/log";
+static constexpr const char* LAST_INSTALL_FILE = "/cache/recovery/last_install";
+static constexpr const char* LAST_KMSG_FILE = "/cache/recovery/last_kmsg";
+static constexpr const char* LAST_LOG_FILE = "/cache/recovery/last_log";
+static constexpr const char* LOCALE_FILE = "/cache/recovery/last_locale";
+
+static constexpr const char* CACHE_ROOT = "/cache";
+static constexpr const char* DATA_ROOT = "/data";
+static constexpr const char* METADATA_ROOT = "/metadata";
+static constexpr const char* SDCARD_ROOT = "/sdcard";
// We define RECOVERY_API_VERSION in Android.mk, which will be picked up by build system and packed
// into target_files.zip. Assert the version defined in code and in Android.mk are consistent.
@@ -549,18 +537,19 @@ static bool erase_volume(const char* volume) {
ensure_path_unmounted(volume);
int result;
-
if (is_data && reason && strcmp(reason, "convert_fbe") == 0) {
- // Create convert_fbe breadcrumb file to signal to init
- // to convert to file based encryption, not full disk encryption
+ static constexpr const char* CONVERT_FBE_DIR = "/tmp/convert_fbe";
+ static constexpr const char* CONVERT_FBE_FILE = "/tmp/convert_fbe/convert_fbe";
+ // Create convert_fbe breadcrumb file to signal init to convert to file based encryption, not
+ // full disk encryption.
if (mkdir(CONVERT_FBE_DIR, 0700) != 0) {
- ui->Print("Failed to make convert_fbe dir %s\n", strerror(errno));
- return true;
+ PLOG(ERROR) << "Failed to mkdir " << CONVERT_FBE_DIR;
+ return false;
}
FILE* f = fopen(CONVERT_FBE_FILE, "wbe");
if (!f) {
- ui->Print("Failed to convert to file encryption %s\n", strerror(errno));
- return true;
+ PLOG(ERROR) << "Failed to convert to file encryption";
+ return false;
}
fclose(f);
result = format_volume(volume, CONVERT_FBE_DIR);
@@ -887,34 +876,34 @@ static bool check_wipe_package(size_t wipe_package_size) {
return ota_type_matched && device_type_matched && (!has_serial_number || serial_number_matched);
}
-// Wipe the current A/B device, with a secure wipe of all the partitions in
-// RECOVERY_WIPE.
+// Wipes the current A/B device, with a secure wipe of all the partitions in RECOVERY_WIPE.
static bool wipe_ab_device(size_t wipe_package_size) {
- ui->SetBackground(RecoveryUI::ERASING);
- ui->SetProgressType(RecoveryUI::INDETERMINATE);
-
- if (!check_wipe_package(wipe_package_size)) {
- LOG(ERROR) << "Failed to verify wipe package";
- return false;
- }
- std::string partition_list;
- if (!android::base::ReadFileToString(RECOVERY_WIPE, &partition_list)) {
- LOG(ERROR) << "failed to read \"" << RECOVERY_WIPE << "\"";
- return false;
- }
+ ui->SetBackground(RecoveryUI::ERASING);
+ ui->SetProgressType(RecoveryUI::INDETERMINATE);
- std::vector<std::string> lines = android::base::Split(partition_list, "\n");
- for (const std::string& line : lines) {
- std::string partition = android::base::Trim(line);
- // Ignore '#' comment or empty lines.
- if (android::base::StartsWith(partition, "#") || partition.empty()) {
- continue;
- }
+ if (!check_wipe_package(wipe_package_size)) {
+ LOG(ERROR) << "Failed to verify wipe package";
+ return false;
+ }
+ static constexpr const char* RECOVERY_WIPE = "/etc/recovery.wipe";
+ std::string partition_list;
+ if (!android::base::ReadFileToString(RECOVERY_WIPE, &partition_list)) {
+ LOG(ERROR) << "failed to read \"" << RECOVERY_WIPE << "\"";
+ return false;
+ }
- // Proceed anyway even if it fails to wipe some partition.
- secure_wipe_partition(partition);
+ std::vector<std::string> lines = android::base::Split(partition_list, "\n");
+ for (const std::string& line : lines) {
+ std::string partition = android::base::Trim(line);
+ // Ignore '#' comment or empty lines.
+ if (android::base::StartsWith(partition, "#") || partition.empty()) {
+ continue;
}
- return true;
+
+ // Proceed anyway even if it fails to wipe some partition.
+ secure_wipe_partition(partition);
+ }
+ return true;
}
static void choose_recovery_file(Device* device) {
@@ -1322,10 +1311,13 @@ static void set_retry_bootloader_message(int retry_count, const std::vector<std:
static bool bootreason_in_blacklist() {
std::string bootreason = android::base::GetProperty("ro.boot.bootreason", "");
if (!bootreason.empty()) {
- for (const auto& str : bootreason_blacklist) {
- if (strcasecmp(str.c_str(), bootreason.c_str()) == 0) {
- return true;
- }
+ // More bootreasons can be found in "system/core/bootstat/bootstat.cpp".
+ static const std::vector<std::string> kBootreasonBlacklist{
+ "kernel_panic",
+ "Panic",
+ };
+ for (const auto& str : kBootreasonBlacklist) {
+ if (android::base::EqualsIgnoreCase(str, bootreason)) return true;
}
}
return false;
@@ -1477,6 +1469,7 @@ int main(int argc, char **argv) {
}
if (locale.empty()) {
+ static constexpr const char* DEFAULT_LOCALE = "en-US";
locale = DEFAULT_LOCALE;
}
}
@@ -1562,8 +1555,10 @@ int main(int argc, char **argv) {
}
if (status != INSTALL_SUCCESS) {
ui->Print("Installation aborted.\n");
- // When I/O error happens, reboot and retry installation RETRY_LIMIT
- // times before we abandon this OTA update.
+
+ // When I/O error or bspatch/imgpatch error happens, reboot and retry installation
+ // RETRY_LIMIT times before we abandon this OTA update.
+ static constexpr int RETRY_LIMIT = 4;
if (status == INSTALL_RETRY && retry_count < RETRY_LIMIT) {
copy_logs();
retry_count += 1;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 21:49:58 +0100