diff options
| -rw-r--r-- | Android.mk | 14 | ||||
| -rw-r--r-- | bootloader.h | 157 | ||||
| -rw-r--r-- | bootloader_message/Android.mk | 24 | ||||
| -rw-r--r-- | bootloader_message/bootloader_message.cpp (renamed from uncrypt/bootloader_message_writer.cpp) | 81 | ||||
| -rw-r--r-- | bootloader_message/include/bootloader_message/bootloader_message.h | 198 | ||||
| -rw-r--r-- | recovery.cpp | 63 | ||||
| -rw-r--r-- | uncrypt/Android.mk | 22 | ||||
| -rw-r--r-- | uncrypt/uncrypt.cpp | 2 |
8 files changed, 354 insertions, 207 deletions
diff --git a/Android.mk b/Android.mk index 68f069d6a..2a3438f8c 100644 --- a/Android.mk +++ b/Android.mk @@ -41,7 +41,6 @@ include $(CLEAR_VARS) LOCAL_SRC_FILES := \ adb_install.cpp \ asn1_decoder.cpp \ - bootloader.cpp \ device.cpp \ fuse_sdcard_provider.cpp \ install.cpp \ @@ -75,6 +74,7 @@ LOCAL_C_INCLUDES += \ LOCAL_STATIC_LIBRARIES := \ libbatterymonitor \ + libbootloader_message \ libext4_utils_static \ libsparse_static \ libziparchive \ @@ -150,14 +150,16 @@ LOCAL_STATIC_LIBRARIES := libcrypto_utils libcrypto libbase LOCAL_CFLAGS := -Werror include $(BUILD_STATIC_LIBRARY) -include $(LOCAL_PATH)/minui/Android.mk \ - $(LOCAL_PATH)/otautil/Android.mk \ +include \ + $(LOCAL_PATH)/applypatch/Android.mk \ + $(LOCAL_PATH)/bootloader_message/Android.mk \ + $(LOCAL_PATH)/edify/Android.mk \ + $(LOCAL_PATH)/minui/Android.mk \ $(LOCAL_PATH)/minadbd/Android.mk \ + $(LOCAL_PATH)/otafault/Android.mk \ + $(LOCAL_PATH)/otautil/Android.mk \ $(LOCAL_PATH)/tests/Android.mk \ $(LOCAL_PATH)/tools/Android.mk \ - $(LOCAL_PATH)/edify/Android.mk \ $(LOCAL_PATH)/uncrypt/Android.mk \ - $(LOCAL_PATH)/otafault/Android.mk \ $(LOCAL_PATH)/updater/Android.mk \ $(LOCAL_PATH)/update_verifier/Android.mk \ - $(LOCAL_PATH)/applypatch/Android.mk diff --git a/bootloader.h b/bootloader.h index 1801705fb..9c84a1cf9 100644 --- a/bootloader.h +++ b/bootloader.h @@ -14,158 +14,5 @@ * limitations under the License. */ -#ifndef _RECOVERY_BOOTLOADER_H -#define _RECOVERY_BOOTLOADER_H - -#include <assert.h> - -/* Bootloader Message (2-KiB) - * - * This structure describes the content of a block in flash - * that is used for recovery and the bootloader to talk to - * each other. - * - * The command field is updated by linux when it wants to - * reboot into recovery or to update radio or bootloader firmware. - * It is also updated by the bootloader when firmware update - * is complete (to boot into recovery for any final cleanup) - * - * The status field is written by the bootloader after the - * completion of an "update-radio" or "update-hboot" command. - * - * The recovery field is only written by linux and used - * for the system to send a message to recovery or the - * other way around. - * - * The stage field is written by packages which restart themselves - * multiple times, so that the UI can reflect which invocation of the - * package it is. If the value is of the format "#/#" (eg, "1/3"), - * the UI will add a simple indicator of that status. - * - * We used to have slot_suffix field for A/B boot control metadata in - * this struct, which gets unintentionally cleared by recovery or - * uncrypt. Move it into struct bootloader_message_ab to avoid the - * issue. - */ -struct bootloader_message { - char command[32]; - char status[32]; - char recovery[768]; - - // The 'recovery' field used to be 1024 bytes. It has only ever - // been used to store the recovery command line, so 768 bytes - // should be plenty. We carve off the last 256 bytes to store the - // stage string (for multistage packages) and possible future - // expansion. - char stage[32]; - - // The 'reserved' field used to be 224 bytes when it was initially - // carved off from the 1024-byte recovery field. Bump it up to - // 1184-byte so that the entire bootloader_message struct rounds up - // to 2048-byte. - char reserved[1184]; -}; - -/** - * We must be cautious when changing the bootloader_message struct size, - * because A/B-specific fields may end up with different offsets. - */ -#if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus) -static_assert(sizeof(struct bootloader_message) == 2048, - "struct bootloader_message size changes, which may break A/B devices"); -#endif - -/** - * The A/B-specific bootloader message structure (4-KiB). - * - * We separate A/B boot control metadata from the regular bootloader - * message struct and keep it here. Everything that's A/B-specific - * stays after struct bootloader_message, which should be managed by - * the A/B-bootloader or boot control HAL. - * - * The slot_suffix field is used for A/B implementations where the - * bootloader does not set the androidboot.ro.boot.slot_suffix kernel - * commandline parameter. This is used by fs_mgr to mount /system and - * other partitions with the slotselect flag set in fstab. A/B - * implementations are free to use all 32 bytes and may store private - * data past the first NUL-byte in this field. It is encouraged, but - * not mandatory, to use 'struct bootloader_control' described below. - */ -struct bootloader_message_ab { - struct bootloader_message message; - char slot_suffix[32]; - - // Round up the entire struct to 4096-byte. - char reserved[2016]; -}; - -/** - * Be cautious about the struct size change, in case we put anything post - * bootloader_message_ab struct (b/29159185). - */ -#if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus) -static_assert(sizeof(struct bootloader_message_ab) == 4096, - "struct bootloader_message_ab size changes"); -#endif - -#define BOOT_CTRL_MAGIC 0x42414342 /* Bootloader Control AB */ -#define BOOT_CTRL_VERSION 1 - -struct slot_metadata { - // Slot priority with 15 meaning highest priority, 1 lowest - // priority and 0 the slot is unbootable. - uint8_t priority : 4; - // Number of times left attempting to boot this slot. - uint8_t tries_remaining : 3; - // 1 if this slot has booted successfully, 0 otherwise. - uint8_t successful_boot : 1; - // 1 if this slot is corrupted from a dm-verity corruption, 0 - // otherwise. - uint8_t verity_corrupted : 1; - // Reserved for further use. - uint8_t reserved : 7; -} __attribute__((packed)); - -/* Bootloader Control AB - * - * This struct can be used to manage A/B metadata. It is designed to - * be put in the 'slot_suffix' field of the 'bootloader_message' - * structure described above. It is encouraged to use the - * 'bootloader_control' structure to store the A/B metadata, but not - * mandatory. - */ -struct bootloader_control { - // NUL terminated active slot suffix. - char slot_suffix[4]; - // Bootloader Control AB magic number (see BOOT_CTRL_MAGIC). - uint32_t magic; - // Version of struct being used (see BOOT_CTRL_VERSION). - uint8_t version; - // Number of slots being managed. - uint8_t nb_slot : 3; - // Number of times left attempting to boot recovery. - uint8_t recovery_tries_remaining : 3; - // Ensure 4-bytes alignment for slot_info field. - uint8_t reserved0[2]; - // Per-slot information. Up to 4 slots. - struct slot_metadata slot_info[4]; - // Reserved for further use. - uint8_t reserved1[8]; - // CRC32 of all 28 bytes preceding this field (little endian - // format). - uint32_t crc32_le; -} __attribute__((packed)); - -#if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus) -static_assert(sizeof(struct bootloader_control) == - sizeof(((struct bootloader_message_ab *)0)->slot_suffix), - "struct bootloader_control has wrong size"); -#endif - -/* Read and write the bootloader command from the "misc" partition. - * These return zero on success. - */ -int get_bootloader_message(struct bootloader_message *out); -int set_bootloader_message(const struct bootloader_message *in); - -#endif +// TODO: Remove this file once we remove all places that include this file. +#include "bootloader_message/include/bootloader_message/bootloader_message.h" diff --git a/bootloader_message/Android.mk b/bootloader_message/Android.mk new file mode 100644 index 000000000..815ac67d7 --- /dev/null +++ b/bootloader_message/Android.mk @@ -0,0 +1,24 @@ +# 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. + +LOCAL_PATH := $(call my-dir) + +include $(CLEAR_VARS) +LOCAL_CLANG := true +LOCAL_SRC_FILES := bootloader_message.cpp +LOCAL_MODULE := libbootloader_message +LOCAL_STATIC_LIBRARIES := libbase libfs_mgr +LOCAL_C_INCLUDES := $(LOCAL_PATH)/include +LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include +include $(BUILD_STATIC_LIBRARY) diff --git a/uncrypt/bootloader_message_writer.cpp b/bootloader_message/bootloader_message.cpp index db52121eb..62d8c6785 100644 --- a/uncrypt/bootloader_message_writer.cpp +++ b/bootloader_message/bootloader_message.cpp @@ -14,6 +14,8 @@ * limitations under the License. */ +#include <bootloader_message/bootloader_message.h> + #include <errno.h> #include <fcntl.h> #include <string.h> @@ -27,8 +29,6 @@ #include <android-base/unique_fd.h> #include <fs_mgr.h> -#include "bootloader.h" - static struct fstab* read_fstab(std::string* err) { std::string ro_hardware = android::base::GetProperty("ro.hardware", ""); if (ro_hardware.empty()) { @@ -57,18 +57,73 @@ static std::string get_misc_blk_device(std::string* err) { return record->blk_device; } -static bool write_bootloader_message(const bootloader_message& boot, std::string* err) { +// In recovery mode, recovery can get started and try to access the misc +// device before the kernel has actually created it. +static bool wait_for_device(const std::string& blk_device, std::string* err) { + int tries = 0; + int ret; + err->clear(); + do { + ++tries; + struct stat buf; + ret = stat(blk_device.c_str(), &buf); + if (ret == -1) { + *err += android::base::StringPrintf("failed to stat %s try %d: %s\n", + blk_device.c_str(), tries, strerror(errno)); + sleep(1); + } + } while (ret && tries < 10); + + if (ret) { + *err += android::base::StringPrintf("failed to stat %s\n", blk_device.c_str()); + } + return ret == 0; +} + +static bool read_misc_partition(void* p, size_t size, size_t offset, std::string* err) { std::string misc_blk_device = get_misc_blk_device(err); if (misc_blk_device.empty()) { return false; } + if (!wait_for_device(misc_blk_device, err)) { + 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))) { + if (lseek(fd.get(), static_cast<off_t>(offset), SEEK_SET) != static_cast<off_t>(offset)) { + *err = android::base::StringPrintf("failed to lseek %s: %s", misc_blk_device.c_str(), + strerror(errno)); + return false; + } + if (!android::base::ReadFully(fd.get(), p, size)) { + *err = android::base::StringPrintf("failed to read %s: %s", misc_blk_device.c_str(), + strerror(errno)); + return false; + } + return true; +} + +static bool write_misc_partition(const void* p, size_t size, size_t 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>(offset), SEEK_SET) != static_cast<off_t>(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; @@ -82,6 +137,14 @@ static bool write_bootloader_message(const bootloader_message& boot, std::string return true; } +bool read_bootloader_message(bootloader_message* boot, std::string* err) { + return read_misc_partition(boot, sizeof(*boot), BOOTLOADER_MESSAGE_OFFSET_IN_MISC, err); +} + +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); @@ -100,6 +163,16 @@ bool write_bootloader_message(const std::vector<std::string>& options, std::stri return write_bootloader_message(boot, err); } +bool read_wipe_package(std::string* package_data, size_t size, std::string* err) { + package_data->resize(size); + return read_misc_partition(&(*package_data)[0], size, WIPE_PACKAGE_OFFSET_IN_MISC, 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); diff --git a/bootloader_message/include/bootloader_message/bootloader_message.h b/bootloader_message/include/bootloader_message/bootloader_message.h new file mode 100644 index 000000000..07ecf8576 --- /dev/null +++ b/bootloader_message/include/bootloader_message/bootloader_message.h @@ -0,0 +1,198 @@ +/* + * Copyright (C) 2008 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_H +#define _BOOTLOADER_MESSAGE_H + +#include <assert.h> +#include <stddef.h> +#include <stdint.h> + +// Spaces used by misc partition are as below: +// 0 - 2K Bootloader Message +// 2K - 16K Used by Vendor's bootloader (the 2K - 4K range may be optionally used +// as bootloader_message_ab struct) +// 16K - 64K Used by uncrypt and recovery to store wipe_package for A/B devices +// Note that these offsets are admitted by bootloader,recovery and uncrypt, so they +// are not configurable without changing all of them. +static const size_t BOOTLOADER_MESSAGE_OFFSET_IN_MISC = 0; +static const size_t WIPE_PACKAGE_OFFSET_IN_MISC = 16 * 1024; + +/* Bootloader Message (2-KiB) + * + * This structure describes the content of a block in flash + * that is used for recovery and the bootloader to talk to + * each other. + * + * The command field is updated by linux when it wants to + * reboot into recovery or to update radio or bootloader firmware. + * It is also updated by the bootloader when firmware update + * is complete (to boot into recovery for any final cleanup) + * + * The status field is written by the bootloader after the + * completion of an "update-radio" or "update-hboot" command. + * + * The recovery field is only written by linux and used + * for the system to send a message to recovery or the + * other way around. + * + * The stage field is written by packages which restart themselves + * multiple times, so that the UI can reflect which invocation of the + * package it is. If the value is of the format "#/#" (eg, "1/3"), + * the UI will add a simple indicator of that status. + * + * We used to have slot_suffix field for A/B boot control metadata in + * this struct, which gets unintentionally cleared by recovery or + * uncrypt. Move it into struct bootloader_message_ab to avoid the + * issue. + */ +struct bootloader_message { + char command[32]; + char status[32]; + char recovery[768]; + + // The 'recovery' field used to be 1024 bytes. It has only ever + // been used to store the recovery command line, so 768 bytes + // should be plenty. We carve off the last 256 bytes to store the + // stage string (for multistage packages) and possible future + // expansion. + char stage[32]; + + // The 'reserved' field used to be 224 bytes when it was initially + // carved off from the 1024-byte recovery field. Bump it up to + // 1184-byte so that the entire bootloader_message struct rounds up + // to 2048-byte. + char reserved[1184]; +}; + +/** + * We must be cautious when changing the bootloader_message struct size, + * because A/B-specific fields may end up with different offsets. + */ +#if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus) +static_assert(sizeof(struct bootloader_message) == 2048, + "struct bootloader_message size changes, which may break A/B devices"); +#endif + +/** + * The A/B-specific bootloader message structure (4-KiB). + * + * We separate A/B boot control metadata from the regular bootloader + * message struct and keep it here. Everything that's A/B-specific + * stays after struct bootloader_message, which should be managed by + * the A/B-bootloader or boot control HAL. + * + * The slot_suffix field is used for A/B implementations where the + * bootloader does not set the androidboot.ro.boot.slot_suffix kernel + * commandline parameter. This is used by fs_mgr to mount /system and + * other partitions with the slotselect flag set in fstab. A/B + * implementations are free to use all 32 bytes and may store private + * data past the first NUL-byte in this field. It is encouraged, but + * not mandatory, to use 'struct bootloader_control' described below. + */ +struct bootloader_message_ab { + struct bootloader_message message; + char slot_suffix[32]; + + // Round up the entire struct to 4096-byte. + char reserved[2016]; +}; + +/** + * Be cautious about the struct size change, in case we put anything post + * bootloader_message_ab struct (b/29159185). + */ +#if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus) +static_assert(sizeof(struct bootloader_message_ab) == 4096, + "struct bootloader_message_ab size changes"); +#endif + +#define BOOT_CTRL_MAGIC 0x42414342 /* Bootloader Control AB */ +#define BOOT_CTRL_VERSION 1 + +struct slot_metadata { + // Slot priority with 15 meaning highest priority, 1 lowest + // priority and 0 the slot is unbootable. + uint8_t priority : 4; + // Number of times left attempting to boot this slot. + uint8_t tries_remaining : 3; + // 1 if this slot has booted successfully, 0 otherwise. + uint8_t successful_boot : 1; + // 1 if this slot is corrupted from a dm-verity corruption, 0 + // otherwise. + uint8_t verity_corrupted : 1; + // Reserved for further use. + uint8_t reserved : 7; +} __attribute__((packed)); + +/* Bootloader Control AB + * + * This struct can be used to manage A/B metadata. It is designed to + * be put in the 'slot_suffix' field of the 'bootloader_message' + * structure described above. It is encouraged to use the + * 'bootloader_control' structure to store the A/B metadata, but not + * mandatory. + */ +struct bootloader_control { + // NUL terminated active slot suffix. + char slot_suffix[4]; + // Bootloader Control AB magic number (see BOOT_CTRL_MAGIC). + uint32_t magic; + // Version of struct being used (see BOOT_CTRL_VERSION). + uint8_t version; + // Number of slots being managed. + uint8_t nb_slot : 3; + // Number of times left attempting to boot recovery. + uint8_t recovery_tries_remaining : 3; + // Ensure 4-bytes alignment for slot_info field. + uint8_t reserved0[2]; + // Per-slot information. Up to 4 slots. + struct slot_metadata slot_info[4]; + // Reserved for further use. + uint8_t reserved1[8]; + // CRC32 of all 28 bytes preceding this field (little endian + // format). + uint32_t crc32_le; +} __attribute__((packed)); + +#if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus) +static_assert(sizeof(struct bootloader_control) == + sizeof(((struct bootloader_message_ab *)0)->slot_suffix), + "struct bootloader_control has wrong size"); +#endif +#ifdef __cplusplus + +#include <string> +#include <vector> + +bool read_bootloader_message(bootloader_message* boot, std::string* err); +bool write_bootloader_message(const bootloader_message& boot, std::string* err); +bool write_bootloader_message(const std::vector<std::string>& options, std::string* err); +bool clear_bootloader_message(std::string* err); + +bool read_wipe_package(std::string* package_data, size_t size, std::string* err); +bool write_wipe_package(const std::string& package_data, std::string* err); + +#else + +#include <stdbool.h> + +// C Interface. +bool write_bootloader_message(const char* options); + +#endif // ifdef __cplusplus + +#endif // _BOOTLOADER_MESSAGE_H diff --git a/recovery.cpp b/recovery.cpp index 668ef3ca6..343d123d6 100644 --- a/recovery.cpp +++ b/recovery.cpp @@ -46,6 +46,7 @@ #include <android-base/stringprintf.h> #include <android-base/strings.h> #include <android-base/unique_fd.h> +#include <bootloader_message/bootloader_message.h> #include <cutils/android_reboot.h> #include <cutils/properties.h> /* for property_list */ #include <healthd/BatteryMonitor.h> @@ -55,7 +56,6 @@ #include <ziparchive/zip_archive.h> #include "adb_install.h" -#include "bootloader.h" #include "common.h" #include "device.h" #include "error_code.h" @@ -85,7 +85,7 @@ static const struct option OPTIONS[] = { { "shutdown_after", no_argument, NULL, 'p' }, { "reason", required_argument, NULL, 'r' }, { "security", no_argument, NULL, 'e'}, - { "brick", no_argument, NULL, 0 }, + { "wipe_ab", no_argument, NULL, 0 }, { NULL, 0, NULL, 0 }, }; @@ -112,7 +112,7 @@ static const int BATTERY_READ_TIMEOUT_IN_SEC = 10; // So we should check battery with a slightly lower limitation. static const int BATTERY_OK_PERCENTAGE = 20; static const int BATTERY_WITH_CHARGER_OK_PERCENTAGE = 15; -constexpr const char* RECOVERY_BRICK = "/etc/recovery.brick"; +constexpr const char* RECOVERY_WIPE = "/etc/recovery.wipe"; RecoveryUI* ui = NULL; static const char* locale = "en_US"; @@ -301,9 +301,13 @@ static void redirect_stdio(const char* filename) { // - the contents of COMMAND_FILE (one per line) static void get_args(int *argc, char ***argv) { - struct bootloader_message boot; - memset(&boot, 0, sizeof(boot)); - get_bootloader_message(&boot); // this may fail, leaving a zeroed structure + bootloader_message boot = {}; + std::string err; + if (!read_bootloader_message(&boot, &err)) { + LOG(ERROR) << err; + // If fails, leave a zeroed bootloader_message. + memset(&boot, 0, sizeof(boot)); + } stage = strndup(boot.stage, sizeof(boot.stage)); if (boot.command[0] != 0) { @@ -368,16 +372,20 @@ get_args(int *argc, char ***argv) { strlcat(boot.recovery, (*argv)[i], sizeof(boot.recovery)); strlcat(boot.recovery, "\n", sizeof(boot.recovery)); } - set_bootloader_message(&boot); + if (!write_bootloader_message(boot, &err)) { + LOG(ERROR) << err; + } } static void set_sdcard_update_bootloader_message() { - struct bootloader_message boot; - memset(&boot, 0, sizeof(boot)); + bootloader_message boot = {}; strlcpy(boot.command, "boot-recovery", sizeof(boot.command)); strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery)); - set_bootloader_message(&boot); + std::string err; + if (!write_bootloader_message(boot, &err)) { + LOG(ERROR) << err; + } } // Read from kernel log into buffer and write out to file. @@ -528,9 +536,11 @@ finish_recovery() { copy_logs(); // Reset to normal system boot so recovery won't cycle indefinitely. - struct bootloader_message boot; - memset(&boot, 0, sizeof(boot)); - set_bootloader_message(&boot); + bootloader_message boot = {}; + std::string err; + if (!write_bootloader_message(boot, &err)) { + LOG(ERROR) << err; + } // Remove the command file, so recovery won't repeat indefinitely. if (has_cache) { @@ -898,15 +908,15 @@ static bool secure_wipe_partition(const std::string& partition) { return true; } -// Brick the current device, with a secure wipe of all the partitions in -// RECOVERY_BRICK. -static bool brick_device() { +// Wipe the current A/B device, with a secure wipe of all the partitions in +// RECOVERY_WIPE. +static bool wipe_ab_device() { ui->SetBackground(RecoveryUI::ERASING); ui->SetProgressType(RecoveryUI::INDETERMINATE); std::string partition_list; - if (!android::base::ReadFileToString(RECOVERY_BRICK, &partition_list)) { - LOG(ERROR) << "failed to read \"" << RECOVERY_BRICK << "\""; + if (!android::base::ReadFileToString(RECOVERY_WIPE, &partition_list)) { + LOG(ERROR) << "failed to read \"" << RECOVERY_WIPE << "\""; return false; } @@ -1311,7 +1321,7 @@ static bool is_battery_ok() { } static void set_retry_bootloader_message(int retry_count, int argc, char** argv) { - struct bootloader_message boot {}; + bootloader_message boot = {}; strlcpy(boot.command, "boot-recovery", sizeof(boot.command)); strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery)); @@ -1330,7 +1340,10 @@ static void set_retry_bootloader_message(int retry_count, int argc, char** argv) snprintf(buffer, sizeof(buffer), "--retry_count=%d\n", retry_count+1); strlcat(boot.recovery, buffer, sizeof(boot.recovery)); } - set_bootloader_message(&boot); + std::string err; + if (!write_bootloader_message(boot, &err)) { + LOG(ERROR) << err; + } } static ssize_t logbasename( @@ -1428,7 +1441,7 @@ int main(int argc, char **argv) { const char *update_package = NULL; bool should_wipe_data = false; bool should_wipe_cache = false; - bool should_brick = false; + bool should_wipe_ab = false; bool show_text = false; bool sideload = false; bool sideload_auto_reboot = false; @@ -1462,8 +1475,8 @@ int main(int argc, char **argv) { case 'r': reason = optarg; break; case 'e': security_update = true; break; case 0: { - if (strcmp(OPTIONS[option_index].name, "brick") == 0) { - should_brick = true; + if (strcmp(OPTIONS[option_index].name, "wipe_ab") == 0) { + should_wipe_ab = true; break; } break; @@ -1609,8 +1622,8 @@ int main(int argc, char **argv) { if (!wipe_cache(false, device)) { status = INSTALL_ERROR; } - } else if (should_brick) { - if (!brick_device()) { + } else if (should_wipe_ab) { + if (!wipe_ab_device()) { status = INSTALL_ERROR; } } else if (sideload) { diff --git a/uncrypt/Android.mk b/uncrypt/Android.mk index 361379971..59084b0bb 100644 --- a/uncrypt/Android.mk +++ b/uncrypt/Android.mk @@ -15,27 +15,17 @@ 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_CFLAGS := -Werror -LOCAL_C_INCLUDES := $(LOCAL_PATH)/.. -LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include - -include $(BUILD_STATIC_LIBRARY) - -include $(CLEAR_VARS) LOCAL_CLANG := true LOCAL_SRC_FILES := uncrypt.cpp LOCAL_C_INCLUDES := $(LOCAL_PATH)/.. LOCAL_MODULE := uncrypt -LOCAL_STATIC_LIBRARIES := libbootloader_message_writer \ - libbase \ - liblog \ - libfs_mgr \ - libcutils +LOCAL_STATIC_LIBRARIES := \ + libbootloader_message \ + libbase \ + liblog \ + libfs_mgr \ + libcutils LOCAL_CFLAGS := -Werror LOCAL_INIT_RC := uncrypt.rc diff --git a/uncrypt/uncrypt.cpp b/uncrypt/uncrypt.cpp index c77e987b5..8b4d8ef8c 100644 --- a/uncrypt/uncrypt.cpp +++ b/uncrypt/uncrypt.cpp @@ -111,7 +111,7 @@ #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/sockets.h> #include <fs_mgr.h> |