diff options
Diffstat (limited to 'recovery.cpp')
| -rw-r--r-- | recovery.cpp | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/recovery.cpp b/recovery.cpp index 6781fa4b4..7620f1a00 100644 --- a/recovery.cpp +++ b/recovery.cpp @@ -81,7 +81,10 @@ 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"; +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 *SDCARD_ROOT = "/sdcard"; static const char *TEMPORARY_LOG_FILE = "/tmp/recovery.log"; static const char *TEMPORARY_INSTALL_FILE = "/tmp/last_install"; @@ -522,6 +525,7 @@ typedef struct _saved_log_file { static bool erase_volume(const char* volume) { bool is_cache = (strcmp(volume, CACHE_ROOT) == 0); + bool is_data = (strcmp(volume, DATA_ROOT) == 0); ui->SetBackground(RecoveryUI::ERASING); ui->SetProgressType(RecoveryUI::INDETERMINATE); @@ -576,7 +580,28 @@ static bool erase_volume(const char* volume) { ui->Print("Formatting %s...\n", volume); ensure_path_unmounted(volume); - int result = format_volume(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 + if (mkdir(CONVERT_FBE_DIR, 0700) != 0) { + ui->Print("Failed to make convert_fbe dir %s\n", strerror(errno)); + return true; + } + FILE* f = fopen(CONVERT_FBE_FILE, "wb"); + if (!f) { + ui->Print("Failed to convert to file encryption %s\n", strerror(errno)); + return true; + } + fclose(f); + result = format_volume(volume, CONVERT_FBE_DIR); + remove(CONVERT_FBE_FILE); + rmdir(CONVERT_FBE_DIR); + } else { + result = format_volume(volume); + } if (is_cache) { while (head) { |