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Diffstat (limited to 'uncrypt/bootloader_message_writer.cpp')
-rw-r--r--uncrypt/bootloader_message_writer.cpp123
1 files changed, 0 insertions, 123 deletions
diff --git a/uncrypt/bootloader_message_writer.cpp b/uncrypt/bootloader_message_writer.cpp
deleted file mode 100644
index 42df31efa..000000000
--- a/uncrypt/bootloader_message_writer.cpp
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <errno.h>
-#include <fcntl.h>
-#include <string.h>
-#include <sys/system_properties.h>
-
-#include <string>
-#include <vector>
-
-#include <android-base/file.h>
-#include <android-base/stringprintf.h>
-#include <android-base/unique_fd.h>
-#include <fs_mgr.h>
-
-#include "bootloader.h"
-
-static struct fstab* read_fstab(std::string* err) {
- // The fstab path is always "/fstab.${ro.hardware}".
- std::string fstab_path = "/fstab.";
- char value[PROP_VALUE_MAX];
- if (__system_property_get("ro.hardware", value) == 0) {
- *err = "failed to get ro.hardware";
- return nullptr;
- }
- fstab_path += value;
- struct fstab* fstab = fs_mgr_read_fstab(fstab_path.c_str());
- if (fstab == nullptr) {
- *err = "failed to read " + fstab_path;
- }
- return fstab;
-}
-
-static std::string get_misc_blk_device(std::string* err) {
- struct fstab* fstab = read_fstab(err);
- if (fstab == nullptr) {
- return "";
- }
- fstab_rec* record = fs_mgr_get_entry_for_mount_point(fstab, "/misc");
- if (record == nullptr) {
- *err = "failed to find /misc partition";
- return "";
- }
- return record->blk_device;
-}
-
-static bool write_misc_partition(const void* p, size_t size, size_t misc_offset, std::string* err) {
- std::string misc_blk_device = get_misc_blk_device(err);
- if (misc_blk_device.empty()) {
- return false;
- }
- android::base::unique_fd fd(open(misc_blk_device.c_str(), O_WRONLY | O_SYNC));
- if (fd.get() == -1) {
- *err = android::base::StringPrintf("failed to open %s: %s", misc_blk_device.c_str(),
- strerror(errno));
- return false;
- }
- if (lseek(fd.get(), static_cast<off_t>(misc_offset), SEEK_SET) !=
- static_cast<off_t>(misc_offset)) {
- *err = android::base::StringPrintf("failed to lseek %s: %s", misc_blk_device.c_str(),
- strerror(errno));
- return false;
- }
- if (!android::base::WriteFully(fd.get(), p, size)) {
- *err = android::base::StringPrintf("failed to write %s: %s", misc_blk_device.c_str(),
- strerror(errno));
- return false;
- }
-
- // TODO: O_SYNC and fsync duplicates each other?
- if (fsync(fd.get()) == -1) {
- *err = android::base::StringPrintf("failed to fsync %s: %s", misc_blk_device.c_str(),
- strerror(errno));
- return false;
- }
- return true;
-}
-
-static bool write_bootloader_message(const bootloader_message& boot, std::string* err) {
- return write_misc_partition(&boot, sizeof(boot), BOOTLOADER_MESSAGE_OFFSET_IN_MISC, err);
-}
-
-bool clear_bootloader_message(std::string* err) {
- bootloader_message boot = {};
- return write_bootloader_message(boot, err);
-}
-
-bool write_bootloader_message(const std::vector<std::string>& options, std::string* err) {
- bootloader_message boot = {};
- strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
- strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery));
- for (const auto& s : options) {
- strlcat(boot.recovery, s.c_str(), sizeof(boot.recovery));
- if (s.back() != '\n') {
- strlcat(boot.recovery, "\n", sizeof(boot.recovery));
- }
- }
- return write_bootloader_message(boot, err);
-}
-
-bool write_wipe_package(const std::string& package_data, std::string* err) {
- return write_misc_partition(package_data.data(), package_data.size(),
- WIPE_PACKAGE_OFFSET_IN_MISC, err);
-}
-
-extern "C" bool write_bootloader_message(const char* options) {
- std::string err;
- return write_bootloader_message({options}, &err);
-}