diff options
Diffstat (limited to 'uncrypt')
-rw-r--r-- | uncrypt/Android.mk | 11 | ||||
-rw-r--r-- | uncrypt/bootloader_message_writer.cpp | 107 | ||||
-rw-r--r-- | uncrypt/include/bootloader_message_writer.h | 35 | ||||
-rw-r--r-- | uncrypt/uncrypt.cpp | 21 |
4 files changed, 20 insertions, 154 deletions
diff --git a/uncrypt/Android.mk b/uncrypt/Android.mk index 09cfdfca5..bb276edd5 100644 --- a/uncrypt/Android.mk +++ b/uncrypt/Android.mk @@ -15,15 +15,6 @@ LOCAL_PATH := $(call my-dir) include $(CLEAR_VARS) -LOCAL_CLANG := true -LOCAL_SRC_FILES := bootloader_message_writer.cpp -LOCAL_MODULE := libbootloader_message_writer -LOCAL_STATIC_LIBRARIES := libbase libfs_mgr -LOCAL_C_INCLUDES := $(LOCAL_PATH)/.. -LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include -include $(BUILD_STATIC_LIBRARY) - -include $(CLEAR_VARS) LOCAL_CLANG := true @@ -33,7 +24,7 @@ LOCAL_C_INCLUDES := $(LOCAL_PATH)/.. LOCAL_MODULE := uncrypt -LOCAL_STATIC_LIBRARIES := libbootloader_message_writer libbase \ +LOCAL_STATIC_LIBRARIES := libbootloader_message libbase \ liblog libfs_mgr libcutils \ LOCAL_INIT_RC := uncrypt.rc diff --git a/uncrypt/bootloader_message_writer.cpp b/uncrypt/bootloader_message_writer.cpp deleted file mode 100644 index 3bb106aa0..000000000 --- a/uncrypt/bootloader_message_writer.cpp +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Copyright (C) 2016 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <errno.h> -#include <fcntl.h> -#include <string.h> -#include <sys/system_properties.h> - -#include <string> -#include <vector> - -#include <android-base/file.h> -#include <android-base/stringprintf.h> -#include <android-base/unique_fd.h> -#include <fs_mgr.h> - -#include "bootloader.h" - -static struct fstab* read_fstab(std::string* err) { - // The fstab path is always "/fstab.${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_bootloader_message(const bootloader_message& boot, 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 (!android::base::WriteFully(fd.get(), &boot, sizeof(boot))) { - *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; -} - -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); -} - -extern "C" bool write_bootloader_message(const char* options) { - std::string err; - return write_bootloader_message({options}, &err); -} diff --git a/uncrypt/include/bootloader_message_writer.h b/uncrypt/include/bootloader_message_writer.h deleted file mode 100644 index e0ca3f44a..000000000 --- a/uncrypt/include/bootloader_message_writer.h +++ /dev/null @@ -1,35 +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. - */ - -#ifndef BOOTLOADER_MESSAGE_WRITER_H -#define BOOTLOADER_MESSAGE_WRITER_H - -#ifdef __cplusplus -#include <string> -#include <vector> - -bool clear_bootloader_message(std::string* err); - -bool write_bootloader_message(const std::vector<std::string>& options, std::string* err); - -#else -#include <stdbool.h> - -// C Interface. -bool write_bootloader_message(const char* options); -#endif - -#endif // BOOTLOADER_MESSAGE_WRITER_H diff --git a/uncrypt/uncrypt.cpp b/uncrypt/uncrypt.cpp index 5697712aa..c19943fa7 100644 --- a/uncrypt/uncrypt.cpp +++ b/uncrypt/uncrypt.cpp @@ -110,7 +110,7 @@ #include <android-base/stringprintf.h> #include <android-base/strings.h> #include <android-base/unique_fd.h> -#include <bootloader_message_writer.h> +#include <bootloader_message/bootloader_message.h> #include <cutils/android_reboot.h> #include <cutils/properties.h> #include <cutils/sockets.h> @@ -501,14 +501,31 @@ static bool setup_bcb(const int socket) { return false; } ALOGI(" received command: [%s] (%zu)", content.c_str(), content.size()); + std::vector<std::string> options = android::base::Split(content, "\n"); + std::string wipe_package; + for (auto& option : options) { + if (android::base::StartsWith(option, "--wipe_package=")) { + std::string path = option.substr(strlen("--wipe_package=")); + if (!android::base::ReadFileToString(path, &wipe_package)) { + ALOGE("failed to read %s: %s", path.c_str(), strerror(errno)); + return false; + } + option = android::base::StringPrintf("--wipe_package_size=%zu", wipe_package.size()); + } + } // c8. setup the bcb command std::string err; - if (!write_bootloader_message({content}, &err)) { + if (!write_bootloader_message(options, &err)) { ALOGE("failed to set bootloader message: %s", err.c_str()); write_status_to_socket(-1, socket); return false; } + if (!wipe_package.empty() && !write_wipe_package(wipe_package, &err)) { + ALOGE("failed to set wipe package: %s", err.c_str()); + write_status_to_socket(-1, socket); + return false; + } // c10. send "100" status write_status_to_socket(100, socket); return true; |