Move wipe cache|data to libinstall
Therefore, libinstall becomes the sole owner to handle the request
from minadbd service.
The change also includes
1. move logging.cpp out of librecovery
2. drop the dependency on common.h
3. now it's more sensible to move the wipe_cache as part of
install_package. move the wipe_cache to the end of the function.
Bug: 130166585
Test: wipe data and cache from menu
Change-Id: I6f356dccdb38015c50acf756bac246f87c30fc1f
diff --git a/recovery.cpp b/recovery.cpp
index 0349184..0e6e497 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -27,7 +27,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
@@ -55,30 +54,27 @@
#include "install/fuse_sdcard_install.h"
#include "install/install.h"
#include "install/package.h"
-#include "logging.h"
-#include "otautil/dirutil.h"
+#include "install/wipe_data.h"
#include "otautil/error_code.h"
+#include "otautil/logging.h"
#include "otautil/paths.h"
#include "otautil/roots.h"
#include "otautil/sysutil.h"
#include "recovery_ui/screen_ui.h"
#include "recovery_ui/ui.h"
-static constexpr const char* CACHE_LOG_DIR = "/cache/recovery";
static constexpr const char* COMMAND_FILE = "/cache/recovery/command";
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";
// 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.
static_assert(kRecoveryApiVersion == RECOVERY_API_VERSION, "Mismatching recovery API versions.");
-static bool modified_flash = false;
+static bool save_current_log = false;
std::string stage;
const char* reason = nullptr;
@@ -148,7 +144,7 @@
}
}
- copy_logs(modified_flash, has_cache);
+ copy_logs(save_current_log, has_cache, sehandle);
// Reset to normal system boot so recovery won't cycle indefinitely.
std::string err;
@@ -167,110 +163,6 @@
sync(); // For good measure.
}
-struct saved_log_file {
- std::string name;
- struct stat sb;
- std::string data;
-};
-
-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);
-
- std::vector<saved_log_file> log_files;
-
- if (is_cache) {
- // If we're reformatting /cache, we load any past logs
- // (i.e. "/cache/recovery/last_*") and the current log
- // ("/cache/recovery/log") into memory, so we can restore them after
- // the reformat.
-
- ensure_path_mounted(volume);
-
- struct dirent* de;
- std::unique_ptr<DIR, decltype(&closedir)> d(opendir(CACHE_LOG_DIR), closedir);
- if (d) {
- while ((de = readdir(d.get())) != nullptr) {
- if (strncmp(de->d_name, "last_", 5) == 0 || strcmp(de->d_name, "log") == 0) {
- std::string path = android::base::StringPrintf("%s/%s", CACHE_LOG_DIR, de->d_name);
-
- struct stat sb;
- if (stat(path.c_str(), &sb) == 0) {
- // truncate files to 512kb
- if (sb.st_size > (1 << 19)) {
- sb.st_size = 1 << 19;
- }
-
- std::string data(sb.st_size, '\0');
- FILE* f = fopen(path.c_str(), "rbe");
- fread(&data[0], 1, data.size(), f);
- fclose(f);
-
- log_files.emplace_back(saved_log_file{ path, sb, data });
- }
- }
- }
- } else {
- if (errno != ENOENT) {
- PLOG(ERROR) << "Failed to opendir " << CACHE_LOG_DIR;
- }
- }
- }
-
- ui->Print("Formatting %s...\n", volume);
-
- ensure_path_unmounted(volume);
-
- int result;
- if (is_data && reason && strcmp(reason, "convert_fbe") == 0) {
- 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) {
- PLOG(ERROR) << "Failed to mkdir " << CONVERT_FBE_DIR;
- return false;
- }
- FILE* f = fopen(CONVERT_FBE_FILE, "wbe");
- if (!f) {
- PLOG(ERROR) << "Failed to convert to file encryption";
- return false;
- }
- 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) {
- // Re-create the log dir and write back the log entries.
- if (ensure_path_mounted(CACHE_LOG_DIR) == 0 &&
- mkdir_recursively(CACHE_LOG_DIR, 0777, false, sehandle) == 0) {
- for (const auto& log : log_files) {
- if (!android::base::WriteStringToFile(log.data, log.name, log.sb.st_mode, log.sb.st_uid,
- log.sb.st_gid)) {
- PLOG(ERROR) << "Failed to write to " << log.name;
- }
- }
- } else {
- PLOG(ERROR) << "Failed to mount / create " << CACHE_LOG_DIR;
- }
-
- // Any part of the log we'd copied to cache is now gone.
- // Reset the pointer so we copy from the beginning of the temp
- // log.
- reset_tmplog_offset();
- copy_logs(modified_flash, has_cache);
- }
-
- return (result == 0);
-}
-
static bool yes_no(Device* device, const char* question1, const char* question2) {
std::vector<std::string> headers{ question1, question2 };
std::vector<std::string> items{ " No", " Yes" };
@@ -292,28 +184,6 @@
return (chosen_item == 1);
}
-// Return true on success.
-static bool wipe_data(Device* device) {
- modified_flash = true;
-
- ui->Print("\n-- Wiping data...\n");
- bool success = device->PreWipeData();
- if (success) {
- success &= erase_volume(DATA_ROOT);
- if (has_cache) {
- success &= erase_volume(CACHE_ROOT);
- }
- if (volume_for_mount_point(METADATA_ROOT) != nullptr) {
- success &= erase_volume(METADATA_ROOT);
- }
- }
- if (success) {
- success &= device->PostWipeData();
- }
- ui->Print("Data wipe %s.\n", success ? "complete" : "failed");
- return success;
-}
-
static InstallResult prompt_and_wipe_data(Device* device) {
// Use a single string and let ScreenRecoveryUI handles the wrapping.
std::vector<std::string> wipe_data_menu_headers{
@@ -341,7 +211,8 @@
}
if (ask_to_wipe_data(device)) {
- if (wipe_data(device)) {
+ bool convert_fbe = reason && strcmp(reason, "convert_fbe") == 0;
+ if (WipeData(device, convert_fbe)) {
return INSTALL_SUCCESS;
} else {
return INSTALL_ERROR;
@@ -350,25 +221,6 @@
}
}
-// Return true on success.
-static bool wipe_cache(bool should_confirm, Device* device) {
- if (!has_cache) {
- ui->Print("No /cache partition found.\n");
- return false;
- }
-
- if (should_confirm && !yes_no(device, "Wipe cache?", " THIS CAN NOT BE UNDONE!")) {
- return false;
- }
-
- modified_flash = true;
-
- ui->Print("\n-- Wiping cache...\n");
- bool success = erase_volume("/cache");
- ui->Print("Cache wipe %s.\n", success ? "complete" : "failed");
- return success;
-}
-
// Secure-wipe a given partition. It uses BLKSECDISCARD, if supported. Otherwise, it goes with
// BLKDISCARD (if device supports BLKDISCARDZEROES) or BLKZEROOUT.
static bool secure_wipe_partition(const std::string& partition) {
@@ -653,7 +505,6 @@
? Device::REBOOT
: device->InvokeMenuItem(chosen_item);
- bool should_wipe_cache = false;
switch (chosen_action) {
case Device::NO_ACTION:
break;
@@ -666,41 +517,40 @@
return chosen_action;
case Device::WIPE_DATA:
+ save_current_log = true;
if (ui->IsTextVisible()) {
if (ask_to_wipe_data(device)) {
- wipe_data(device);
+ WipeData(device, false);
}
} else {
- wipe_data(device);
+ WipeData(device, false);
return Device::NO_ACTION;
}
break;
- case Device::WIPE_CACHE:
- wipe_cache(ui->IsTextVisible(), device);
+ case Device::WIPE_CACHE: {
+ save_current_log = true;
+ std::function<bool()> confirm_func = [&device]() {
+ return yes_no(device, "Wipe cache?", " THIS CAN NOT BE UNDONE!");
+ };
+ WipeCache(ui, ui->IsTextVisible() ? confirm_func : nullptr);
if (!ui->IsTextVisible()) return Device::NO_ACTION;
break;
-
+ }
case Device::APPLY_ADB_SIDELOAD:
case Device::APPLY_SDCARD: {
- modified_flash = true;
+ save_current_log = true;
bool adb = (chosen_action == Device::APPLY_ADB_SIDELOAD);
if (adb) {
- status = apply_from_adb(&should_wipe_cache, ui);
+ status = apply_from_adb(ui);
} else {
- status = ApplyFromSdcard(device, &should_wipe_cache, ui);
- }
-
- if (status == INSTALL_SUCCESS && should_wipe_cache) {
- if (!wipe_cache(false, device)) {
- status = INSTALL_ERROR;
- }
+ status = ApplyFromSdcard(device, ui);
}
if (status != INSTALL_SUCCESS) {
ui->SetBackground(RecoveryUI::ERROR);
ui->Print("Installation aborted.\n");
- copy_logs(modified_flash, has_cache);
+ copy_logs(save_current_log, has_cache, sehandle);
} else if (!ui->IsTextVisible()) {
return Device::NO_ACTION; // reboot if logs aren't visible
} else {
@@ -987,7 +837,7 @@
if (update_package != nullptr) {
// It's not entirely true that we will modify the flash. But we want
// to log the update attempt since update_package is non-NULL.
- modified_flash = true;
+ save_current_log = true;
int required_battery_level;
if (retry_count == 0 && !is_battery_ok(&required_battery_level)) {
@@ -1009,11 +859,7 @@
set_retry_bootloader_message(retry_count + 1, args);
}
- modified_flash = true;
- status = install_package(update_package, &should_wipe_cache, true, retry_count, ui);
- if (status == INSTALL_SUCCESS && should_wipe_cache) {
- wipe_cache(false, device);
- }
+ status = install_package(update_package, should_wipe_cache, true, retry_count, ui);
if (status != INSTALL_SUCCESS) {
ui->Print("Installation aborted.\n");
@@ -1021,7 +867,7 @@
// 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(modified_flash, has_cache);
+ copy_logs(save_current_log, has_cache, sehandle);
retry_count += 1;
set_retry_bootloader_message(retry_count, args);
// Print retry count on screen.
@@ -1045,12 +891,14 @@
}
}
} else if (should_wipe_data) {
- if (!wipe_data(device)) {
+ save_current_log = true;
+ bool convert_fbe = reason && strcmp(reason, "convert_fbe") == 0;
+ if (!WipeData(device, convert_fbe)) {
status = INSTALL_ERROR;
}
} else if (should_prompt_and_wipe_data) {
// Trigger the logging to capture the cause, even if user chooses to not wipe data.
- modified_flash = true;
+ save_current_log = true;
ui->ShowText(true);
ui->SetBackground(RecoveryUI::ERROR);
@@ -1059,7 +907,8 @@
ui->ShowText(false);
}
} else if (should_wipe_cache) {
- if (!wipe_cache(false, device)) {
+ save_current_log = true;
+ if (!WipeCache(ui, nullptr)) {
status = INSTALL_ERROR;
}
} else if (should_wipe_ab) {
@@ -1073,15 +922,11 @@
// sideload finishes even if there are errors. Unless one turns on the
// text display during the installation. This is to enable automated
// testing.
+ save_current_log = true;
if (!sideload_auto_reboot) {
ui->ShowText(true);
}
- status = apply_from_adb(&should_wipe_cache, ui);
- if (status == INSTALL_SUCCESS && should_wipe_cache) {
- if (!wipe_cache(false, device)) {
- status = INSTALL_ERROR;
- }
- }
+ status = apply_from_adb(ui);
ui->Print("\nInstall from ADB complete (status: %d).\n", status);
if (sideload_auto_reboot) {
ui->Print("Rebooting automatically.\n");