| /* | |
| * Copyright (C) 2008 The Android Open Source Project | |
| * All rights reserved. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions | |
| * are met: | |
| * * Redistributions of source code must retain the above copyright | |
| * notice, this list of conditions and the following disclaimer. | |
| * * Redistributions in binary form must reproduce the above copyright | |
| * notice, this list of conditions and the following disclaimer in | |
| * the documentation and/or other materials provided with the | |
| * distribution. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| * SUCH DAMAGE. | |
| */ | |
| #include "fastboot.h" | |
| #include <ctype.h> | |
| #include <errno.h> | |
| #include <fcntl.h> | |
| #include <getopt.h> | |
| #include <inttypes.h> | |
| #include <limits.h> | |
| #include <stdint.h> | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <string.h> | |
| #include <sys/stat.h> | |
| #include <sys/time.h> | |
| #include <sys/types.h> | |
| #include <unistd.h> | |
| #include <chrono> | |
| #include <functional> | |
| #include <regex> | |
| #include <string> | |
| #include <thread> | |
| #include <utility> | |
| #include <vector> | |
| #include <android-base/file.h> | |
| #include <android-base/macros.h> | |
| #include <android-base/parseint.h> | |
| #include <android-base/parsenetaddress.h> | |
| #include <android-base/stringprintf.h> | |
| #include <android-base/strings.h> | |
| #include <android-base/unique_fd.h> | |
| #include <build/version.h> | |
| #include <liblp/liblp.h> | |
| #include <platform_tools_version.h> | |
| #include <sparse/sparse.h> | |
| #include <ziparchive/zip_archive.h> | |
| #include "bootimg_utils.h" | |
| #include "constants.h" | |
| #include "diagnose_usb.h" | |
| #include "fastboot_driver.h" | |
| #include "fs.h" | |
| #include "tcp.h" | |
| #include "transport.h" | |
| #include "udp.h" | |
| #include "usb.h" | |
| #include "util.h" | |
| using android::base::ReadFully; | |
| using android::base::Split; | |
| using android::base::Trim; | |
| using android::base::unique_fd; | |
| using namespace std::string_literals; | |
| static const char* serial = nullptr; | |
| static bool g_long_listing = false; | |
| // Don't resparse files in too-big chunks. | |
| // libsparse will support INT_MAX, but this results in large allocations, so | |
| // let's keep it at 1GB to avoid memory pressure on the host. | |
| static constexpr int64_t RESPARSE_LIMIT = 1 * 1024 * 1024 * 1024; | |
| static uint64_t sparse_limit = 0; | |
| static int64_t target_sparse_limit = -1; | |
| static unsigned g_base_addr = 0x10000000; | |
| static boot_img_hdr_v2 g_boot_img_hdr = {}; | |
| static std::string g_cmdline; | |
| static std::string g_dtb_path; | |
| static bool g_disable_verity = false; | |
| static bool g_disable_verification = false; | |
| static const std::string convert_fbe_marker_filename("convert_fbe"); | |
| fastboot::FastBootDriver* fb = nullptr; | |
| enum fb_buffer_type { | |
| FB_BUFFER_FD, | |
| FB_BUFFER_SPARSE, | |
| }; | |
| struct fastboot_buffer { | |
| enum fb_buffer_type type; | |
| void* data; | |
| int64_t sz; | |
| int fd; | |
| int64_t image_size; | |
| }; | |
| enum class ImageType { | |
| // Must be flashed for device to boot into the kernel. | |
| BootCritical, | |
| // Normal partition to be flashed during "flashall". | |
| Normal, | |
| // Partition that is never flashed during "flashall". | |
| Extra | |
| }; | |
| struct Image { | |
| const char* nickname; | |
| const char* img_name; | |
| const char* sig_name; | |
| const char* part_name; | |
| bool optional_if_no_image; | |
| ImageType type; | |
| bool IsSecondary() const { return nickname == nullptr; } | |
| }; | |
| static Image images[] = { | |
| // clang-format off | |
| { "boot", "boot.img", "boot.sig", "boot", false, ImageType::BootCritical }, | |
| { nullptr, "boot_other.img", "boot.sig", "boot", true, ImageType::Normal }, | |
| { "cache", "cache.img", "cache.sig", "cache", true, ImageType::Extra }, | |
| { "dtbo", "dtbo.img", "dtbo.sig", "dtbo", true, ImageType::BootCritical }, | |
| { "dts", "dt.img", "dt.sig", "dts", true, ImageType::BootCritical }, | |
| { "odm", "odm.img", "odm.sig", "odm", true, ImageType::Normal }, | |
| { "product", "product.img", "product.sig", "product", true, ImageType::Normal }, | |
| { "product_services", | |
| "product_services.img", | |
| "product_services.sig", | |
| "product_services", | |
| true, ImageType::Normal }, | |
| { "recovery", "recovery.img", "recovery.sig", "recovery", true, ImageType::BootCritical }, | |
| { "super", "super.img", "super.sig", "super", true, ImageType::Extra }, | |
| { "system", "system.img", "system.sig", "system", false, ImageType::Normal }, | |
| { nullptr, "system_other.img", "system.sig", "system", true, ImageType::Normal }, | |
| { "userdata", "userdata.img", "userdata.sig", "userdata", true, ImageType::Extra }, | |
| { "vbmeta", "vbmeta.img", "vbmeta.sig", "vbmeta", true, ImageType::BootCritical }, | |
| { "vbmeta_system", | |
| "vbmeta_system.img", | |
| "vbmeta_system.sig", | |
| "vbmeta_system", | |
| true, ImageType::BootCritical }, | |
| { "vendor", "vendor.img", "vendor.sig", "vendor", true, ImageType::Normal }, | |
| { nullptr, "vendor_other.img", "vendor.sig", "vendor", true, ImageType::Normal }, | |
| // clang-format on | |
| }; | |
| static char* get_android_product_out() { | |
| char* dir = getenv("ANDROID_PRODUCT_OUT"); | |
| if (dir == nullptr || dir[0] == '\0') { | |
| return nullptr; | |
| } | |
| return dir; | |
| } | |
| static std::string find_item_given_name(const std::string& img_name) { | |
| char* dir = get_android_product_out(); | |
| if (!dir) { | |
| die("ANDROID_PRODUCT_OUT not set"); | |
| } | |
| return std::string(dir) + "/" + img_name; | |
| } | |
| static std::string find_item(const std::string& item) { | |
| for (size_t i = 0; i < arraysize(images); ++i) { | |
| if (images[i].nickname && item == images[i].nickname) { | |
| return find_item_given_name(images[i].img_name); | |
| } | |
| } | |
| fprintf(stderr, "unknown partition '%s'\n", item.c_str()); | |
| return ""; | |
| } | |
| double last_start_time; | |
| static void Status(const std::string& message) { | |
| static constexpr char kStatusFormat[] = "%-50s "; | |
| fprintf(stderr, kStatusFormat, message.c_str()); | |
| last_start_time = now(); | |
| } | |
| static void Epilog(int status) { | |
| if (status) { | |
| fprintf(stderr, "FAILED (%s)\n", fb->Error().c_str()); | |
| die("Command failed"); | |
| } else { | |
| double split = now(); | |
| fprintf(stderr, "OKAY [%7.3fs]\n", (split - last_start_time)); | |
| } | |
| } | |
| static void InfoMessage(const std::string& info) { | |
| fprintf(stderr, "(bootloader) %s\n", info.c_str()); | |
| } | |
| static int64_t get_file_size(int fd) { | |
| struct stat sb; | |
| if (fstat(fd, &sb) == -1) { | |
| die("could not get file size"); | |
| } | |
| return sb.st_size; | |
| } | |
| bool ReadFileToVector(const std::string& file, std::vector<char>* out) { | |
| out->clear(); | |
| unique_fd fd(TEMP_FAILURE_RETRY(open(file.c_str(), O_RDONLY | O_CLOEXEC | O_BINARY))); | |
| if (fd == -1) { | |
| return false; | |
| } | |
| out->resize(get_file_size(fd)); | |
| return ReadFully(fd, out->data(), out->size()); | |
| } | |
| static int match_fastboot_with_serial(usb_ifc_info* info, const char* local_serial) { | |
| if (info->ifc_class != 0xff || info->ifc_subclass != 0x42 || info->ifc_protocol != 0x03) { | |
| return -1; | |
| } | |
| // require matching serial number or device path if requested | |
| // at the command line with the -s option. | |
| if (local_serial && (strcmp(local_serial, info->serial_number) != 0 && | |
| strcmp(local_serial, info->device_path) != 0)) return -1; | |
| return 0; | |
| } | |
| static int match_fastboot(usb_ifc_info* info) { | |
| return match_fastboot_with_serial(info, serial); | |
| } | |
| static int list_devices_callback(usb_ifc_info* info) { | |
| if (match_fastboot_with_serial(info, nullptr) == 0) { | |
| std::string serial = info->serial_number; | |
| if (!info->writable) { | |
| serial = UsbNoPermissionsShortHelpText(); | |
| } | |
| if (!serial[0]) { | |
| serial = "????????????"; | |
| } | |
| // output compatible with "adb devices" | |
| if (!g_long_listing) { | |
| printf("%s\tfastboot", serial.c_str()); | |
| } else { | |
| printf("%-22s fastboot", serial.c_str()); | |
| if (strlen(info->device_path) > 0) printf(" %s", info->device_path); | |
| } | |
| putchar('\n'); | |
| } | |
| return -1; | |
| } | |
| // Opens a new Transport connected to a device. If |serial| is non-null it will be used to identify | |
| // a specific device, otherwise the first USB device found will be used. | |
| // | |
| // If |serial| is non-null but invalid, this exits. | |
| // Otherwise it blocks until the target is available. | |
| // | |
| // The returned Transport is a singleton, so multiple calls to this function will return the same | |
| // object, and the caller should not attempt to delete the returned Transport. | |
| static Transport* open_device() { | |
| bool announce = true; | |
| Socket::Protocol protocol = Socket::Protocol::kTcp; | |
| std::string host; | |
| int port = 0; | |
| if (serial != nullptr) { | |
| const char* net_address = nullptr; | |
| if (android::base::StartsWith(serial, "tcp:")) { | |
| protocol = Socket::Protocol::kTcp; | |
| port = tcp::kDefaultPort; | |
| net_address = serial + strlen("tcp:"); | |
| } else if (android::base::StartsWith(serial, "udp:")) { | |
| protocol = Socket::Protocol::kUdp; | |
| port = udp::kDefaultPort; | |
| net_address = serial + strlen("udp:"); | |
| } | |
| if (net_address != nullptr) { | |
| std::string error; | |
| if (!android::base::ParseNetAddress(net_address, &host, &port, nullptr, &error)) { | |
| die("invalid network address '%s': %s\n", net_address, error.c_str()); | |
| } | |
| } | |
| } | |
| Transport* transport = nullptr; | |
| while (true) { | |
| if (!host.empty()) { | |
| std::string error; | |
| if (protocol == Socket::Protocol::kTcp) { | |
| transport = tcp::Connect(host, port, &error).release(); | |
| } else if (protocol == Socket::Protocol::kUdp) { | |
| transport = udp::Connect(host, port, &error).release(); | |
| } | |
| if (transport == nullptr && announce) { | |
| fprintf(stderr, "error: %s\n", error.c_str()); | |
| } | |
| } else { | |
| transport = usb_open(match_fastboot); | |
| } | |
| if (transport != nullptr) { | |
| return transport; | |
| } | |
| if (announce) { | |
| announce = false; | |
| fprintf(stderr, "< waiting for %s >\n", serial ? serial : "any device"); | |
| } | |
| std::this_thread::sleep_for(std::chrono::milliseconds(1)); | |
| } | |
| } | |
| static void list_devices() { | |
| // We don't actually open a USB device here, | |
| // just getting our callback called so we can | |
| // list all the connected devices. | |
| usb_open(list_devices_callback); | |
| } | |
| static void syntax_error(const char* fmt, ...) { | |
| fprintf(stderr, "fastboot: usage: "); | |
| va_list ap; | |
| va_start(ap, fmt); | |
| vfprintf(stderr, fmt, ap); | |
| va_end(ap); | |
| fprintf(stderr, "\n"); | |
| exit(1); | |
| } | |
| static int show_help() { | |
| // clang-format off | |
| fprintf(stdout, | |
| // 1 2 3 4 5 6 7 8 | |
| // 12345678901234567890123456789012345678901234567890123456789012345678901234567890 | |
| "usage: fastboot [OPTION...] COMMAND...\n" | |
| "\n" | |
| "flashing:\n" | |
| " update ZIP Flash all partitions from an update.zip package.\n" | |
| " flashall Flash all partitions from $ANDROID_PRODUCT_OUT.\n" | |
| " On A/B devices, flashed slot is set as active.\n" | |
| " Secondary images may be flashed to inactive slot.\n" | |
| " flash PARTITION [FILENAME] Flash given partition, using the image from\n" | |
| " $ANDROID_PRODUCT_OUT if no filename is given.\n" | |
| "\n" | |
| "basics:\n" | |
| " devices [-l] List devices in bootloader (-l: with device paths).\n" | |
| " getvar NAME Display given bootloader variable.\n" | |
| " reboot [bootloader] Reboot device.\n" | |
| "\n" | |
| "locking/unlocking:\n" | |
| " flashing lock|unlock Lock/unlock partitions for flashing\n" | |
| " flashing lock_critical|unlock_critical\n" | |
| " Lock/unlock 'critical' bootloader partitions.\n" | |
| " flashing get_unlock_ability\n" | |
| " Check whether unlocking is allowed (1) or not(0).\n" | |
| "\n" | |
| "advanced:\n" | |
| " erase PARTITION Erase a flash partition.\n" | |
| " format[:FS_TYPE[:SIZE]] PARTITION\n" | |
| " Format a flash partition.\n" | |
| " set_active SLOT Set the active slot.\n" | |
| " oem [COMMAND...] Execute OEM-specific command.\n" | |
| " gsi wipe|disable Wipe or disable a GSI installation (fastbootd only).\n" | |
| "\n" | |
| "boot image:\n" | |
| " boot KERNEL [RAMDISK [SECOND]]\n" | |
| " Download and boot kernel from RAM.\n" | |
| " flash:raw PARTITION KERNEL [RAMDISK [SECOND]]\n" | |
| " Create boot image and flash it.\n" | |
| " --dtb DTB Specify path to DTB for boot image header version 2.\n" | |
| " --cmdline CMDLINE Override kernel command line.\n" | |
| " --base ADDRESS Set kernel base address (default: 0x10000000).\n" | |
| " --kernel-offset Set kernel offset (default: 0x00008000).\n" | |
| " --ramdisk-offset Set ramdisk offset (default: 0x01000000).\n" | |
| " --tags-offset Set tags offset (default: 0x00000100).\n" | |
| " --dtb-offset Set dtb offset (default: 0x01100000).\n" | |
| " --page-size BYTES Set flash page size (default: 2048).\n" | |
| " --header-version VERSION Set boot image header version.\n" | |
| " --os-version MAJOR[.MINOR[.PATCH]]\n" | |
| " Set boot image OS version (default: 0.0.0).\n" | |
| " --os-patch-level YYYY-MM-DD\n" | |
| " Set boot image OS security patch level.\n" | |
| // TODO: still missing: `second_addr`, `name`, `id`, `recovery_dtbo_*`. | |
| "\n" | |
| // TODO: what device(s) used this? is there any documentation? | |
| //" continue Continue with autoboot.\n" | |
| //"\n" | |
| "Android Things:\n" | |
| " stage IN_FILE Sends given file to stage for the next command.\n" | |
| " get_staged OUT_FILE Writes data staged by the last command to a file.\n" | |
| "\n" | |
| "options:\n" | |
| " -w Wipe userdata.\n" | |
| " -s SERIAL Specify a USB device.\n" | |
| " -s tcp|udp:HOST[:PORT] Specify a network device.\n" | |
| " -S SIZE[K|M|G] Break into sparse files no larger than SIZE.\n" | |
| " --force Force a flash operation that may be unsafe.\n" | |
| " --slot SLOT Use SLOT; 'all' for both slots, 'other' for\n" | |
| " non-current slot (default: current active slot).\n" | |
| " --set-active[=SLOT] Sets the active slot before rebooting.\n" | |
| " --skip-secondary Don't flash secondary slots in flashall/update.\n" | |
| " --skip-reboot Don't reboot device after flashing.\n" | |
| " --disable-verity Sets disable-verity when flashing vbmeta.\n" | |
| " --disable-verification Sets disable-verification when flashing vbmeta.\n" | |
| #if !defined(_WIN32) | |
| " --wipe-and-use-fbe Enable file-based encryption, wiping userdata.\n" | |
| #endif | |
| // TODO: remove --unbuffered? | |
| " --unbuffered Don't buffer input or output.\n" | |
| " --verbose, -v Verbose output.\n" | |
| " --version Display version.\n" | |
| " --help, -h Show this message.\n" | |
| ); | |
| // clang-format off | |
| return 0; | |
| } | |
| static std::vector<char> LoadBootableImage(const std::string& kernel, const std::string& ramdisk, | |
| const std::string& second_stage) { | |
| std::vector<char> kernel_data; | |
| if (!ReadFileToVector(kernel, &kernel_data)) { | |
| die("cannot load '%s': %s", kernel.c_str(), strerror(errno)); | |
| } | |
| // Is this actually a boot image? | |
| if (kernel_data.size() < sizeof(boot_img_hdr_v2)) { | |
| die("cannot load '%s': too short", kernel.c_str()); | |
| } | |
| if (!memcmp(kernel_data.data(), BOOT_MAGIC, BOOT_MAGIC_SIZE)) { | |
| if (!g_cmdline.empty()) { | |
| bootimg_set_cmdline(reinterpret_cast<boot_img_hdr_v2*>(kernel_data.data()), g_cmdline); | |
| } | |
| if (!ramdisk.empty()) die("cannot boot a boot.img *and* ramdisk"); | |
| return kernel_data; | |
| } | |
| std::vector<char> ramdisk_data; | |
| if (!ramdisk.empty()) { | |
| if (!ReadFileToVector(ramdisk, &ramdisk_data)) { | |
| die("cannot load '%s': %s", ramdisk.c_str(), strerror(errno)); | |
| } | |
| } | |
| std::vector<char> second_stage_data; | |
| if (!second_stage.empty()) { | |
| if (!ReadFileToVector(second_stage, &second_stage_data)) { | |
| die("cannot load '%s': %s", second_stage.c_str(), strerror(errno)); | |
| } | |
| } | |
| std::vector<char> dtb_data; | |
| if (!g_dtb_path.empty()) { | |
| if (g_boot_img_hdr.header_version < 2) { | |
| die("Argument dtb not supported for boot image header version %d\n", | |
| g_boot_img_hdr.header_version); | |
| } | |
| if (!ReadFileToVector(g_dtb_path, &dtb_data)) { | |
| die("cannot load '%s': %s", g_dtb_path.c_str(), strerror(errno)); | |
| } | |
| } | |
| fprintf(stderr,"creating boot image...\n"); | |
| std::vector<char> out; | |
| boot_img_hdr_v2* boot_image_data = mkbootimg(kernel_data, ramdisk_data, second_stage_data, | |
| dtb_data, g_base_addr, g_boot_img_hdr, &out); | |
| if (!g_cmdline.empty()) bootimg_set_cmdline(boot_image_data, g_cmdline); | |
| fprintf(stderr, "creating boot image - %zu bytes\n", out.size()); | |
| return out; | |
| } | |
| static bool UnzipToMemory(ZipArchiveHandle zip, const std::string& entry_name, | |
| std::vector<char>* out) { | |
| ZipString zip_entry_name(entry_name.c_str()); | |
| ZipEntry zip_entry; | |
| if (FindEntry(zip, zip_entry_name, &zip_entry) != 0) { | |
| fprintf(stderr, "archive does not contain '%s'\n", entry_name.c_str()); | |
| return false; | |
| } | |
| out->resize(zip_entry.uncompressed_length); | |
| fprintf(stderr, "extracting %s (%zu MB) to RAM...\n", entry_name.c_str(), | |
| out->size() / 1024 / 1024); | |
| int error = ExtractToMemory(zip, &zip_entry, reinterpret_cast<uint8_t*>(out->data()), | |
| out->size()); | |
| if (error != 0) die("failed to extract '%s': %s", entry_name.c_str(), ErrorCodeString(error)); | |
| return true; | |
| } | |
| #if defined(_WIN32) | |
| // TODO: move this to somewhere it can be shared. | |
| #include <windows.h> | |
| // Windows' tmpfile(3) requires administrator rights because | |
| // it creates temporary files in the root directory. | |
| static FILE* win32_tmpfile() { | |
| char temp_path[PATH_MAX]; | |
| DWORD nchars = GetTempPath(sizeof(temp_path), temp_path); | |
| if (nchars == 0 || nchars >= sizeof(temp_path)) { | |
| die("GetTempPath failed, error %ld", GetLastError()); | |
| } | |
| char filename[PATH_MAX]; | |
| if (GetTempFileName(temp_path, "fastboot", 0, filename) == 0) { | |
| die("GetTempFileName failed, error %ld", GetLastError()); | |
| } | |
| return fopen(filename, "w+bTD"); | |
| } | |
| #define tmpfile win32_tmpfile | |
| static std::string make_temporary_directory() { | |
| die("make_temporary_directory not supported under Windows, sorry!"); | |
| } | |
| static int make_temporary_fd(const char* /*what*/) { | |
| // TODO: reimplement to avoid leaking a FILE*. | |
| return fileno(tmpfile()); | |
| } | |
| #else | |
| static std::string make_temporary_template() { | |
| const char* tmpdir = getenv("TMPDIR"); | |
| if (tmpdir == nullptr) tmpdir = P_tmpdir; | |
| return std::string(tmpdir) + "/fastboot_userdata_XXXXXX"; | |
| } | |
| static std::string make_temporary_directory() { | |
| std::string result(make_temporary_template()); | |
| if (mkdtemp(&result[0]) == nullptr) { | |
| die("unable to create temporary directory with template %s: %s", | |
| result.c_str(), strerror(errno)); | |
| } | |
| return result; | |
| } | |
| static int make_temporary_fd(const char* what) { | |
| std::string path_template(make_temporary_template()); | |
| int fd = mkstemp(&path_template[0]); | |
| if (fd == -1) { | |
| die("failed to create temporary file for %s with template %s: %s\n", | |
| path_template.c_str(), what, strerror(errno)); | |
| } | |
| unlink(path_template.c_str()); | |
| return fd; | |
| } | |
| #endif | |
| static std::string create_fbemarker_tmpdir() { | |
| std::string dir = make_temporary_directory(); | |
| std::string marker_file = dir + "/" + convert_fbe_marker_filename; | |
| int fd = open(marker_file.c_str(), O_CREAT | O_WRONLY | O_CLOEXEC, 0666); | |
| if (fd == -1) { | |
| die("unable to create FBE marker file %s locally: %s", | |
| marker_file.c_str(), strerror(errno)); | |
| } | |
| close(fd); | |
| return dir; | |
| } | |
| static void delete_fbemarker_tmpdir(const std::string& dir) { | |
| std::string marker_file = dir + "/" + convert_fbe_marker_filename; | |
| if (unlink(marker_file.c_str()) == -1) { | |
| fprintf(stderr, "Unable to delete FBE marker file %s locally: %d, %s\n", | |
| marker_file.c_str(), errno, strerror(errno)); | |
| return; | |
| } | |
| if (rmdir(dir.c_str()) == -1) { | |
| fprintf(stderr, "Unable to delete FBE marker directory %s locally: %d, %s\n", | |
| dir.c_str(), errno, strerror(errno)); | |
| return; | |
| } | |
| } | |
| static int unzip_to_file(ZipArchiveHandle zip, const char* entry_name) { | |
| unique_fd fd(make_temporary_fd(entry_name)); | |
| ZipString zip_entry_name(entry_name); | |
| ZipEntry zip_entry; | |
| if (FindEntry(zip, zip_entry_name, &zip_entry) != 0) { | |
| fprintf(stderr, "archive does not contain '%s'\n", entry_name); | |
| errno = ENOENT; | |
| return -1; | |
| } | |
| fprintf(stderr, "extracting %s (%" PRIu32 " MB) to disk...", entry_name, | |
| zip_entry.uncompressed_length / 1024 / 1024); | |
| double start = now(); | |
| int error = ExtractEntryToFile(zip, &zip_entry, fd); | |
| if (error != 0) { | |
| die("\nfailed to extract '%s': %s", entry_name, ErrorCodeString(error)); | |
| } | |
| if (lseek(fd, 0, SEEK_SET) != 0) { | |
| die("\nlseek on extracted file '%s' failed: %s", entry_name, strerror(errno)); | |
| } | |
| fprintf(stderr, " took %.3fs\n", now() - start); | |
| return fd.release(); | |
| } | |
| static void CheckRequirement(const std::string& cur_product, const std::string& var, | |
| const std::string& product, bool invert, | |
| const std::vector<std::string>& options) { | |
| Status("Checking '" + var + "'"); | |
| double start = now(); | |
| if (!product.empty()) { | |
| if (product != cur_product) { | |
| double split = now(); | |
| fprintf(stderr, "IGNORE, product is %s required only for %s [%7.3fs]\n", | |
| cur_product.c_str(), product.c_str(), (split - start)); | |
| return; | |
| } | |
| } | |
| std::string var_value; | |
| if (fb->GetVar(var, &var_value) != fastboot::SUCCESS) { | |
| fprintf(stderr, "FAILED\n\n"); | |
| fprintf(stderr, "Could not getvar for '%s' (%s)\n\n", var.c_str(), | |
| fb->Error().c_str()); | |
| die("requirements not met!"); | |
| } | |
| bool match = false; | |
| for (const auto& option : options) { | |
| if (option == var_value || (option.back() == '*' && | |
| !var_value.compare(0, option.length() - 1, option, 0, | |
| option.length() - 1))) { | |
| match = true; | |
| break; | |
| } | |
| } | |
| if (invert) { | |
| match = !match; | |
| } | |
| if (match) { | |
| double split = now(); | |
| fprintf(stderr, "OKAY [%7.3fs]\n", (split - start)); | |
| return; | |
| } | |
| fprintf(stderr, "FAILED\n\n"); | |
| fprintf(stderr, "Device %s is '%s'.\n", var.c_str(), var_value.c_str()); | |
| fprintf(stderr, "Update %s '%s'", invert ? "rejects" : "requires", options[0].c_str()); | |
| for (auto it = std::next(options.begin()); it != options.end(); ++it) { | |
| fprintf(stderr, " or '%s'", it->c_str()); | |
| } | |
| fprintf(stderr, ".\n\n"); | |
| die("requirements not met!"); | |
| } | |
| bool ParseRequirementLine(const std::string& line, std::string* name, std::string* product, | |
| bool* invert, std::vector<std::string>* options) { | |
| // "require product=alpha|beta|gamma" | |
| // "require version-bootloader=1234" | |
| // "require-for-product:gamma version-bootloader=istanbul|constantinople" | |
| // "require partition-exists=vendor" | |
| *product = ""; | |
| *invert = false; | |
| auto require_reject_regex = std::regex{"(require\\s+|reject\\s+)?\\s*(\\S+)\\s*=\\s*(.*)"}; | |
| auto require_product_regex = | |
| std::regex{"require-for-product:\\s*(\\S+)\\s+(\\S+)\\s*=\\s*(.*)"}; | |
| std::smatch match_results; | |
| if (std::regex_match(line, match_results, require_reject_regex)) { | |
| *invert = Trim(match_results[1]) == "reject"; | |
| } else if (std::regex_match(line, match_results, require_product_regex)) { | |
| *product = match_results[1]; | |
| } else { | |
| return false; | |
| } | |
| *name = match_results[2]; | |
| // Work around an unfortunate name mismatch. | |
| if (*name == "board") { | |
| *name = "product"; | |
| } | |
| auto raw_options = Split(match_results[3], "|"); | |
| for (const auto& option : raw_options) { | |
| auto trimmed_option = Trim(option); | |
| options->emplace_back(trimmed_option); | |
| } | |
| return true; | |
| } | |
| // "require partition-exists=x" is a special case, added because of the trouble we had when | |
| // Pixel 2 shipped with new partitions and users used old versions of fastboot to flash them, | |
| // missing out new partitions. A device with new partitions can use "partition-exists" to | |
| // override the fields `optional_if_no_image` in the `images` array. | |
| static void HandlePartitionExists(const std::vector<std::string>& options) { | |
| const std::string& partition_name = options[0]; | |
| std::string has_slot; | |
| if (fb->GetVar("has-slot:" + partition_name, &has_slot) != fastboot::SUCCESS || | |
| (has_slot != "yes" && has_slot != "no")) { | |
| die("device doesn't have required partition %s!", partition_name.c_str()); | |
| } | |
| bool known_partition = false; | |
| for (size_t i = 0; i < arraysize(images); ++i) { | |
| if (images[i].nickname && images[i].nickname == partition_name) { | |
| images[i].optional_if_no_image = false; | |
| known_partition = true; | |
| } | |
| } | |
| if (!known_partition) { | |
| die("device requires partition %s which is not known to this version of fastboot", | |
| partition_name.c_str()); | |
| } | |
| } | |
| static void CheckRequirements(const std::string& data) { | |
| std::string cur_product; | |
| if (fb->GetVar("product", &cur_product) != fastboot::SUCCESS) { | |
| fprintf(stderr, "getvar:product FAILED (%s)\n", fb->Error().c_str()); | |
| } | |
| auto lines = Split(data, "\n"); | |
| for (const auto& line : lines) { | |
| if (line.empty()) { | |
| continue; | |
| } | |
| std::string name; | |
| std::string product; | |
| bool invert; | |
| std::vector<std::string> options; | |
| if (!ParseRequirementLine(line, &name, &product, &invert, &options)) { | |
| fprintf(stderr, "android-info.txt syntax error: %s\n", line.c_str()); | |
| continue; | |
| } | |
| if (name == "partition-exists") { | |
| HandlePartitionExists(options); | |
| } else { | |
| CheckRequirement(cur_product, name, product, invert, options); | |
| } | |
| } | |
| } | |
| static void DisplayVarOrError(const std::string& label, const std::string& var) { | |
| std::string value; | |
| if (fb->GetVar(var, &value) != fastboot::SUCCESS) { | |
| Status("getvar:" + var); | |
| fprintf(stderr, "FAILED (%s)\n", fb->Error().c_str()); | |
| return; | |
| } | |
| fprintf(stderr, "%s: %s\n", label.c_str(), value.c_str()); | |
| } | |
| static void DumpInfo() { | |
| fprintf(stderr, "--------------------------------------------\n"); | |
| DisplayVarOrError("Bootloader Version...", "version-bootloader"); | |
| DisplayVarOrError("Baseband Version.....", "version-baseband"); | |
| DisplayVarOrError("Serial Number........", "serialno"); | |
| fprintf(stderr, "--------------------------------------------\n"); | |
| } | |
| static struct sparse_file** load_sparse_files(int fd, int64_t max_size) { | |
| struct sparse_file* s = sparse_file_import_auto(fd, false, true); | |
| if (!s) die("cannot sparse read file"); | |
| if (max_size <= 0 || max_size > std::numeric_limits<uint32_t>::max()) { | |
| die("invalid max size %" PRId64, max_size); | |
| } | |
| int files = sparse_file_resparse(s, max_size, nullptr, 0); | |
| if (files < 0) die("Failed to resparse"); | |
| sparse_file** out_s = reinterpret_cast<sparse_file**>(calloc(sizeof(struct sparse_file *), files + 1)); | |
| if (!out_s) die("Failed to allocate sparse file array"); | |
| files = sparse_file_resparse(s, max_size, out_s, files); | |
| if (files < 0) die("Failed to resparse"); | |
| return out_s; | |
| } | |
| static int64_t get_target_sparse_limit() { | |
| std::string max_download_size; | |
| if (fb->GetVar("max-download-size", &max_download_size) != fastboot::SUCCESS || | |
| max_download_size.empty()) { | |
| verbose("target didn't report max-download-size"); | |
| return 0; | |
| } | |
| // Some bootloaders (angler, for example) send spurious whitespace too. | |
| max_download_size = android::base::Trim(max_download_size); | |
| uint64_t limit; | |
| if (!android::base::ParseUint(max_download_size, &limit)) { | |
| fprintf(stderr, "couldn't parse max-download-size '%s'\n", max_download_size.c_str()); | |
| return 0; | |
| } | |
| if (limit > 0) verbose("target reported max download size of %" PRId64 " bytes", limit); | |
| return limit; | |
| } | |
| static int64_t get_sparse_limit(int64_t size) { | |
| int64_t limit = sparse_limit; | |
| if (limit == 0) { | |
| // Unlimited, so see what the target device's limit is. | |
| // TODO: shouldn't we apply this limit even if you've used -S? | |
| if (target_sparse_limit == -1) { | |
| target_sparse_limit = get_target_sparse_limit(); | |
| } | |
| if (target_sparse_limit > 0) { | |
| limit = target_sparse_limit; | |
| } else { | |
| return 0; | |
| } | |
| } | |
| if (size > limit) { | |
| return std::min(limit, RESPARSE_LIMIT); | |
| } | |
| return 0; | |
| } | |
| static bool load_buf_fd(int fd, struct fastboot_buffer* buf) { | |
| int64_t sz = get_file_size(fd); | |
| if (sz == -1) { | |
| return false; | |
| } | |
| if (sparse_file* s = sparse_file_import_auto(fd, false, false)) { | |
| buf->image_size = sparse_file_len(s, false, false); | |
| sparse_file_destroy(s); | |
| } else { | |
| buf->image_size = sz; | |
| } | |
| lseek(fd, 0, SEEK_SET); | |
| int64_t limit = get_sparse_limit(sz); | |
| if (limit) { | |
| sparse_file** s = load_sparse_files(fd, limit); | |
| if (s == nullptr) { | |
| return false; | |
| } | |
| buf->type = FB_BUFFER_SPARSE; | |
| buf->data = s; | |
| } else { | |
| buf->type = FB_BUFFER_FD; | |
| buf->data = nullptr; | |
| buf->fd = fd; | |
| buf->sz = sz; | |
| } | |
| return true; | |
| } | |
| static bool load_buf(const char* fname, struct fastboot_buffer* buf) { | |
| unique_fd fd(TEMP_FAILURE_RETRY(open(fname, O_RDONLY | O_BINARY))); | |
| if (fd == -1) { | |
| return false; | |
| } | |
| struct stat s; | |
| if (fstat(fd, &s)) { | |
| return false; | |
| } | |
| if (!S_ISREG(s.st_mode)) { | |
| errno = S_ISDIR(s.st_mode) ? EISDIR : EINVAL; | |
| return false; | |
| } | |
| return load_buf_fd(fd.release(), buf); | |
| } | |
| static void rewrite_vbmeta_buffer(struct fastboot_buffer* buf) { | |
| // Buffer needs to be at least the size of the VBMeta struct which | |
| // is 256 bytes. | |
| if (buf->sz < 256) { | |
| return; | |
| } | |
| int fd = make_temporary_fd("vbmeta rewriting"); | |
| std::string data; | |
| if (!android::base::ReadFdToString(buf->fd, &data)) { | |
| die("Failed reading from vbmeta"); | |
| } | |
| // There's a 32-bit big endian |flags| field at offset 120 where | |
| // bit 0 corresponds to disable-verity and bit 1 corresponds to | |
| // disable-verification. | |
| // | |
| // See external/avb/libavb/avb_vbmeta_image.h for the layout of | |
| // the VBMeta struct. | |
| if (g_disable_verity) { | |
| data[123] |= 0x01; | |
| } | |
| if (g_disable_verification) { | |
| data[123] |= 0x02; | |
| } | |
| if (!android::base::WriteStringToFd(data, fd)) { | |
| die("Failed writing to modified vbmeta"); | |
| } | |
| close(buf->fd); | |
| buf->fd = fd; | |
| lseek(fd, 0, SEEK_SET); | |
| } | |
| static void flash_buf(const std::string& partition, struct fastboot_buffer *buf) | |
| { | |
| sparse_file** s; | |
| // Rewrite vbmeta if that's what we're flashing and modification has been requested. | |
| if ((g_disable_verity || g_disable_verification) && | |
| (partition == "vbmeta" || partition == "vbmeta_a" || partition == "vbmeta_b")) { | |
| rewrite_vbmeta_buffer(buf); | |
| } | |
| switch (buf->type) { | |
| case FB_BUFFER_SPARSE: { | |
| std::vector<std::pair<sparse_file*, int64_t>> sparse_files; | |
| s = reinterpret_cast<sparse_file**>(buf->data); | |
| while (*s) { | |
| int64_t sz = sparse_file_len(*s, true, false); | |
| sparse_files.emplace_back(*s, sz); | |
| ++s; | |
| } | |
| for (size_t i = 0; i < sparse_files.size(); ++i) { | |
| const auto& pair = sparse_files[i]; | |
| fb->FlashPartition(partition, pair.first, pair.second, i + 1, sparse_files.size()); | |
| } | |
| break; | |
| } | |
| case FB_BUFFER_FD: | |
| fb->FlashPartition(partition, buf->fd, buf->sz); | |
| break; | |
| default: | |
| die("unknown buffer type: %d", buf->type); | |
| } | |
| } | |
| static std::string get_current_slot() { | |
| std::string current_slot; | |
| if (fb->GetVar("current-slot", ¤t_slot) != fastboot::SUCCESS) return ""; | |
| return current_slot; | |
| } | |
| static int get_slot_count() { | |
| std::string var; | |
| int count = 0; | |
| if (fb->GetVar("slot-count", &var) != fastboot::SUCCESS || | |
| !android::base::ParseInt(var, &count)) { | |
| return 0; | |
| } | |
| return count; | |
| } | |
| static bool supports_AB() { | |
| return get_slot_count() >= 2; | |
| } | |
| // Given a current slot, this returns what the 'other' slot is. | |
| static std::string get_other_slot(const std::string& current_slot, int count) { | |
| if (count == 0) return ""; | |
| char next = (current_slot[0] - 'a' + 1)%count + 'a'; | |
| return std::string(1, next); | |
| } | |
| static std::string get_other_slot(const std::string& current_slot) { | |
| return get_other_slot(current_slot, get_slot_count()); | |
| } | |
| static std::string get_other_slot(int count) { | |
| return get_other_slot(get_current_slot(), count); | |
| } | |
| static std::string get_other_slot() { | |
| return get_other_slot(get_current_slot(), get_slot_count()); | |
| } | |
| static std::string verify_slot(const std::string& slot_name, bool allow_all) { | |
| std::string slot = slot_name; | |
| if (slot == "all") { | |
| if (allow_all) { | |
| return "all"; | |
| } else { | |
| int count = get_slot_count(); | |
| if (count > 0) { | |
| return "a"; | |
| } else { | |
| die("No known slots"); | |
| } | |
| } | |
| } | |
| int count = get_slot_count(); | |
| if (count == 0) die("Device does not support slots"); | |
| if (slot == "other") { | |
| std::string other = get_other_slot( count); | |
| if (other == "") { | |
| die("No known slots"); | |
| } | |
| return other; | |
| } | |
| if (slot.size() == 1 && (slot[0]-'a' >= 0 && slot[0]-'a' < count)) return slot; | |
| fprintf(stderr, "Slot %s does not exist. supported slots are:\n", slot.c_str()); | |
| for (int i=0; i<count; i++) { | |
| fprintf(stderr, "%c\n", (char)(i + 'a')); | |
| } | |
| exit(1); | |
| } | |
| static std::string verify_slot(const std::string& slot) { | |
| return verify_slot(slot, true); | |
| } | |
| static void do_for_partition(const std::string& part, const std::string& slot, | |
| const std::function<void(const std::string&)>& func, bool force_slot) { | |
| std::string has_slot; | |
| std::string current_slot; | |
| if (fb->GetVar("has-slot:" + part, &has_slot) != fastboot::SUCCESS) { | |
| /* If has-slot is not supported, the answer is no. */ | |
| has_slot = "no"; | |
| } | |
| if (has_slot == "yes") { | |
| if (slot == "") { | |
| current_slot = get_current_slot(); | |
| if (current_slot == "") { | |
| die("Failed to identify current slot"); | |
| } | |
| func(part + "_" + current_slot); | |
| } else { | |
| func(part + '_' + slot); | |
| } | |
| } else { | |
| if (force_slot && slot != "") { | |
| fprintf(stderr, "Warning: %s does not support slots, and slot %s was requested.\n", | |
| part.c_str(), slot.c_str()); | |
| } | |
| func(part); | |
| } | |
| } | |
| /* This function will find the real partition name given a base name, and a slot. If slot is NULL or | |
| * empty, it will use the current slot. If slot is "all", it will return a list of all possible | |
| * partition names. If force_slot is true, it will fail if a slot is specified, and the given | |
| * partition does not support slots. | |
| */ | |
| static void do_for_partitions(const std::string& part, const std::string& slot, | |
| const std::function<void(const std::string&)>& func, bool force_slot) { | |
| std::string has_slot; | |
| if (slot == "all") { | |
| if (fb->GetVar("has-slot:" + part, &has_slot) != fastboot::SUCCESS) { | |
| die("Could not check if partition %s has slot %s", part.c_str(), slot.c_str()); | |
| } | |
| if (has_slot == "yes") { | |
| for (int i=0; i < get_slot_count(); i++) { | |
| do_for_partition(part, std::string(1, (char)(i + 'a')), func, force_slot); | |
| } | |
| } else { | |
| do_for_partition(part, "", func, force_slot); | |
| } | |
| } else { | |
| do_for_partition(part, slot, func, force_slot); | |
| } | |
| } | |
| static bool is_logical(const std::string& partition) { | |
| std::string value; | |
| return fb->GetVar("is-logical:" + partition, &value) == fastboot::SUCCESS && value == "yes"; | |
| } | |
| static bool is_retrofit_device() { | |
| std::string value; | |
| if (fb->GetVar("super-partition-name", &value) != fastboot::SUCCESS) { | |
| return false; | |
| } | |
| return android::base::StartsWith(value, "system_"); | |
| } | |
| static void do_flash(const char* pname, const char* fname) { | |
| struct fastboot_buffer buf; | |
| if (!load_buf(fname, &buf)) { | |
| die("cannot load '%s': %s", fname, strerror(errno)); | |
| } | |
| if (is_logical(pname)) { | |
| fb->ResizePartition(pname, std::to_string(buf.image_size)); | |
| } | |
| flash_buf(pname, &buf); | |
| } | |
| // Sets slot_override as the active slot. If slot_override is blank, | |
| // set current slot as active instead. This clears slot-unbootable. | |
| static void set_active(const std::string& slot_override) { | |
| if (!supports_AB()) return; | |
| if (slot_override != "") { | |
| fb->SetActive(slot_override); | |
| } else { | |
| std::string current_slot = get_current_slot(); | |
| if (current_slot != "") { | |
| fb->SetActive(current_slot); | |
| } | |
| } | |
| } | |
| static bool is_userspace_fastboot() { | |
| std::string value; | |
| return fb->GetVar("is-userspace", &value) == fastboot::SUCCESS && value == "yes"; | |
| } | |
| static void reboot_to_userspace_fastboot() { | |
| fb->RebootTo("fastboot"); | |
| auto* old_transport = fb->set_transport(nullptr); | |
| delete old_transport; | |
| // Give the current connection time to close. | |
| std::this_thread::sleep_for(std::chrono::milliseconds(1000)); | |
| fb->set_transport(open_device()); | |
| if (!is_userspace_fastboot()) { | |
| die("Failed to boot into userspace fastboot; one or more components might be unbootable."); | |
| } | |
| } | |
| class ImageSource { | |
| public: | |
| virtual bool ReadFile(const std::string& name, std::vector<char>* out) const = 0; | |
| virtual int OpenFile(const std::string& name) const = 0; | |
| }; | |
| class FlashAllTool { | |
| public: | |
| FlashAllTool(const ImageSource& source, const std::string& slot_override, bool skip_secondary, bool wipe); | |
| void Flash(); | |
| private: | |
| void CheckRequirements(); | |
| void DetermineSecondarySlot(); | |
| void CollectImages(); | |
| void FlashImages(const std::vector<std::pair<const Image*, std::string>>& images); | |
| void FlashImage(const Image& image, const std::string& slot, fastboot_buffer* buf); | |
| void UpdateSuperPartition(); | |
| const ImageSource& source_; | |
| std::string slot_override_; | |
| bool skip_secondary_; | |
| bool wipe_; | |
| std::string secondary_slot_; | |
| std::vector<std::pair<const Image*, std::string>> boot_images_; | |
| std::vector<std::pair<const Image*, std::string>> os_images_; | |
| }; | |
| FlashAllTool::FlashAllTool(const ImageSource& source, const std::string& slot_override, bool skip_secondary, bool wipe) | |
| : source_(source), | |
| slot_override_(slot_override), | |
| skip_secondary_(skip_secondary), | |
| wipe_(wipe) | |
| { | |
| } | |
| void FlashAllTool::Flash() { | |
| DumpInfo(); | |
| CheckRequirements(); | |
| // Change the slot first, so we boot into the correct recovery image when | |
| // using fastbootd. | |
| if (slot_override_ == "all") { | |
| set_active("a"); | |
| } else { | |
| set_active(slot_override_); | |
| } | |
| DetermineSecondarySlot(); | |
| CollectImages(); | |
| // First flash boot partitions. We allow this to happen either in userspace | |
| // or in bootloader fastboot. | |
| FlashImages(boot_images_); | |
| // Sync the super partition. This will reboot to userspace fastboot if needed. | |
| UpdateSuperPartition(); | |
| // Resize any logical partition to 0, so each partition is reset to 0 | |
| // extents, and will achieve more optimal allocation. | |
| for (const auto& [image, slot] : os_images_) { | |
| auto resize_partition = [](const std::string& partition) -> void { | |
| if (is_logical(partition)) { | |
| fb->ResizePartition(partition, "0"); | |
| } | |
| }; | |
| do_for_partitions(image->part_name, slot, resize_partition, false); | |
| } | |
| // Flash OS images, resizing logical partitions as needed. | |
| FlashImages(os_images_); | |
| } | |
| void FlashAllTool::CheckRequirements() { | |
| std::vector<char> contents; | |
| if (!source_.ReadFile("android-info.txt", &contents)) { | |
| die("could not read android-info.txt"); | |
| } | |
| ::CheckRequirements({contents.data(), contents.size()}); | |
| } | |
| void FlashAllTool::DetermineSecondarySlot() { | |
| if (skip_secondary_) { | |
| return; | |
| } | |
| if (slot_override_ != "" && slot_override_ != "all") { | |
| secondary_slot_ = get_other_slot(slot_override_); | |
| } else { | |
| secondary_slot_ = get_other_slot(); | |
| } | |
| if (secondary_slot_ == "") { | |
| if (supports_AB()) { | |
| fprintf(stderr, "Warning: Could not determine slot for secondary images. Ignoring.\n"); | |
| } | |
| skip_secondary_ = true; | |
| } | |
| } | |
| void FlashAllTool::CollectImages() { | |
| for (size_t i = 0; i < arraysize(images); ++i) { | |
| std::string slot = slot_override_; | |
| if (images[i].IsSecondary()) { | |
| if (skip_secondary_) { | |
| continue; | |
| } | |
| slot = secondary_slot_; | |
| } | |
| if (images[i].type == ImageType::BootCritical) { | |
| boot_images_.emplace_back(&images[i], slot); | |
| } else if (images[i].type == ImageType::Normal) { | |
| os_images_.emplace_back(&images[i], slot); | |
| } | |
| } | |
| } | |
| void FlashAllTool::FlashImages(const std::vector<std::pair<const Image*, std::string>>& images) { | |
| for (const auto& [image, slot] : images) { | |
| fastboot_buffer buf; | |
| int fd = source_.OpenFile(image->img_name); | |
| if (fd < 0 || !load_buf_fd(fd, &buf)) { | |
| if (image->optional_if_no_image) { | |
| continue; | |
| } | |
| die("could not load '%s': %s", image->img_name, strerror(errno)); | |
| } | |
| FlashImage(*image, slot, &buf); | |
| } | |
| } | |
| void FlashAllTool::FlashImage(const Image& image, const std::string& slot, fastboot_buffer* buf) { | |
| auto flash = [&, this](const std::string& partition_name) { | |
| std::vector<char> signature_data; | |
| if (source_.ReadFile(image.sig_name, &signature_data)) { | |
| fb->Download("signature", signature_data); | |
| fb->RawCommand("signature", "installing signature"); | |
| } | |
| if (is_logical(partition_name)) { | |
| fb->ResizePartition(partition_name, std::to_string(buf->image_size)); | |
| } | |
| flash_buf(partition_name.c_str(), buf); | |
| }; | |
| do_for_partitions(image.part_name, slot, flash, false); | |
| } | |
| void FlashAllTool::UpdateSuperPartition() { | |
| int fd = source_.OpenFile("super_empty.img"); | |
| if (fd < 0) { | |
| return; | |
| } | |
| if (!is_userspace_fastboot()) { | |
| reboot_to_userspace_fastboot(); | |
| } | |
| std::string super_name; | |
| if (fb->GetVar("super-partition-name", &super_name) != fastboot::RetCode::SUCCESS) { | |
| super_name = "super"; | |
| } | |
| fb->Download(super_name, fd, get_file_size(fd)); | |
| std::string command = "update-super:" + super_name; | |
| if (wipe_) { | |
| command += ":wipe"; | |
| } | |
| fb->RawCommand(command, "Updating super partition"); | |
| // Retrofit devices have two super partitions, named super_a and super_b. | |
| // On these devices, secondary slots must be flashed as physical | |
| // partitions (otherwise they would not mount on first boot). To enforce | |
| // this, we delete any logical partitions for the "other" slot. | |
| if (is_retrofit_device()) { | |
| for (const auto& [image, slot] : os_images_) { | |
| std::string partition_name = image->part_name + "_"s + slot; | |
| if (image->IsSecondary() && is_logical(partition_name)) { | |
| fb->DeletePartition(partition_name); | |
| } | |
| } | |
| } | |
| } | |
| class ZipImageSource final : public ImageSource { | |
| public: | |
| explicit ZipImageSource(ZipArchiveHandle zip) : zip_(zip) {} | |
| bool ReadFile(const std::string& name, std::vector<char>* out) const override; | |
| int OpenFile(const std::string& name) const override; | |
| private: | |
| ZipArchiveHandle zip_; | |
| }; | |
| bool ZipImageSource::ReadFile(const std::string& name, std::vector<char>* out) const { | |
| return UnzipToMemory(zip_, name, out); | |
| } | |
| int ZipImageSource::OpenFile(const std::string& name) const { | |
| return unzip_to_file(zip_, name.c_str()); | |
| } | |
| static void do_update(const char* filename, const std::string& slot_override, bool skip_secondary) { | |
| ZipArchiveHandle zip; | |
| int error = OpenArchive(filename, &zip); | |
| if (error != 0) { | |
| die("failed to open zip file '%s': %s", filename, ErrorCodeString(error)); | |
| } | |
| FlashAllTool tool(ZipImageSource(zip), slot_override, skip_secondary, false); | |
| tool.Flash(); | |
| CloseArchive(zip); | |
| } | |
| class LocalImageSource final : public ImageSource { | |
| public: | |
| bool ReadFile(const std::string& name, std::vector<char>* out) const override; | |
| int OpenFile(const std::string& name) const override; | |
| }; | |
| bool LocalImageSource::ReadFile(const std::string& name, std::vector<char>* out) const { | |
| auto path = find_item_given_name(name); | |
| if (path.empty()) { | |
| return false; | |
| } | |
| return ReadFileToVector(path, out); | |
| } | |
| int LocalImageSource::OpenFile(const std::string& name) const { | |
| auto path = find_item_given_name(name); | |
| return open(path.c_str(), O_RDONLY | O_BINARY); | |
| } | |
| static void do_flashall(const std::string& slot_override, bool skip_secondary, bool wipe) { | |
| FlashAllTool tool(LocalImageSource(), slot_override, skip_secondary, wipe); | |
| tool.Flash(); | |
| } | |
| static std::string next_arg(std::vector<std::string>* args) { | |
| if (args->empty()) syntax_error("expected argument"); | |
| std::string result = args->front(); | |
| args->erase(args->begin()); | |
| return result; | |
| } | |
| static void do_oem_command(const std::string& cmd, std::vector<std::string>* args) { | |
| if (args->empty()) syntax_error("empty oem command"); | |
| std::string command(cmd); | |
| while (!args->empty()) { | |
| command += " " + next_arg(args); | |
| } | |
| fb->RawCommand(command, ""); | |
| } | |
| static std::string fb_fix_numeric_var(std::string var) { | |
| // Some bootloaders (angler, for example), send spurious leading whitespace. | |
| var = android::base::Trim(var); | |
| // Some bootloaders (hammerhead, for example) use implicit hex. | |
| // This code used to use strtol with base 16. | |
| if (!android::base::StartsWith(var, "0x")) var = "0x" + var; | |
| return var; | |
| } | |
| static unsigned fb_get_flash_block_size(std::string name) { | |
| std::string sizeString; | |
| if (fb->GetVar(name, &sizeString) != fastboot::SUCCESS || sizeString.empty()) { | |
| // This device does not report flash block sizes, so return 0. | |
| return 0; | |
| } | |
| sizeString = fb_fix_numeric_var(sizeString); | |
| unsigned size; | |
| if (!android::base::ParseUint(sizeString, &size)) { | |
| fprintf(stderr, "Couldn't parse %s '%s'.\n", name.c_str(), sizeString.c_str()); | |
| return 0; | |
| } | |
| if ((size & (size - 1)) != 0) { | |
| fprintf(stderr, "Invalid %s %u: must be a power of 2.\n", name.c_str(), size); | |
| return 0; | |
| } | |
| return size; | |
| } | |
| static void fb_perform_format( | |
| const std::string& partition, int skip_if_not_supported, | |
| const std::string& type_override, const std::string& size_override, | |
| const std::string& initial_dir) { | |
| std::string partition_type, partition_size; | |
| struct fastboot_buffer buf; | |
| const char* errMsg = nullptr; | |
| const struct fs_generator* gen = nullptr; | |
| TemporaryFile output; | |
| unique_fd fd; | |
| unsigned int limit = INT_MAX; | |
| if (target_sparse_limit > 0 && target_sparse_limit < limit) { | |
| limit = target_sparse_limit; | |
| } | |
| if (sparse_limit > 0 && sparse_limit < limit) { | |
| limit = sparse_limit; | |
| } | |
| if (fb->GetVar("partition-type:" + partition, &partition_type) != fastboot::SUCCESS) { | |
| errMsg = "Can't determine partition type.\n"; | |
| goto failed; | |
| } | |
| if (!type_override.empty()) { | |
| if (partition_type != type_override) { | |
| fprintf(stderr, "Warning: %s type is %s, but %s was requested for formatting.\n", | |
| partition.c_str(), partition_type.c_str(), type_override.c_str()); | |
| } | |
| partition_type = type_override; | |
| } | |
| if (fb->GetVar("partition-size:" + partition, &partition_size) != fastboot::SUCCESS) { | |
| errMsg = "Unable to get partition size\n"; | |
| goto failed; | |
| } | |
| if (!size_override.empty()) { | |
| if (partition_size != size_override) { | |
| fprintf(stderr, "Warning: %s size is %s, but %s was requested for formatting.\n", | |
| partition.c_str(), partition_size.c_str(), size_override.c_str()); | |
| } | |
| partition_size = size_override; | |
| } | |
| partition_size = fb_fix_numeric_var(partition_size); | |
| gen = fs_get_generator(partition_type); | |
| if (!gen) { | |
| if (skip_if_not_supported) { | |
| fprintf(stderr, "Erase successful, but not automatically formatting.\n"); | |
| fprintf(stderr, "File system type %s not supported.\n", partition_type.c_str()); | |
| return; | |
| } | |
| die("Formatting is not supported for file system with type '%s'.", | |
| partition_type.c_str()); | |
| } | |
| int64_t size; | |
| if (!android::base::ParseInt(partition_size, &size)) { | |
| die("Couldn't parse partition size '%s'.", partition_size.c_str()); | |
| } | |
| unsigned eraseBlkSize, logicalBlkSize; | |
| eraseBlkSize = fb_get_flash_block_size("erase-block-size"); | |
| logicalBlkSize = fb_get_flash_block_size("logical-block-size"); | |
| if (fs_generator_generate(gen, output.path, size, initial_dir, | |
| eraseBlkSize, logicalBlkSize)) { | |
| die("Cannot generate image for %s", partition.c_str()); | |
| } | |
| fd.reset(open(output.path, O_RDONLY)); | |
| if (fd == -1) { | |
| die("Cannot open generated image: %s", strerror(errno)); | |
| } | |
| if (!load_buf_fd(fd.release(), &buf)) { | |
| die("Cannot read image: %s", strerror(errno)); | |
| } | |
| flash_buf(partition, &buf); | |
| return; | |
| failed: | |
| if (skip_if_not_supported) { | |
| fprintf(stderr, "Erase successful, but not automatically formatting.\n"); | |
| if (errMsg) fprintf(stderr, "%s", errMsg); | |
| } | |
| fprintf(stderr, "FAILED (%s)\n", fb->Error().c_str()); | |
| if (!skip_if_not_supported) { | |
| die("Command failed"); | |
| } | |
| } | |
| static bool should_flash_in_userspace(const std::string& partition_name) { | |
| if (!get_android_product_out()) { | |
| return false; | |
| } | |
| auto path = find_item_given_name("super_empty.img"); | |
| if (path.empty() || access(path.c_str(), R_OK)) { | |
| return false; | |
| } | |
| auto metadata = android::fs_mgr::ReadFromImageFile(path); | |
| if (!metadata) { | |
| return false; | |
| } | |
| for (const auto& partition : metadata->partitions) { | |
| auto candidate = android::fs_mgr::GetPartitionName(partition); | |
| if (partition.attributes & LP_PARTITION_ATTR_SLOT_SUFFIXED) { | |
| // On retrofit devices, we don't know if, or whether, the A or B | |
| // slot has been flashed for dynamic partitions. Instead we add | |
| // both names to the list as a conservative guess. | |
| if (candidate + "_a" == partition_name || candidate + "_b" == partition_name) { | |
| return true; | |
| } | |
| } else if (candidate == partition_name) { | |
| return true; | |
| } | |
| } | |
| return false; | |
| } | |
| int FastBootTool::Main(int argc, char* argv[]) { | |
| bool wants_wipe = false; | |
| bool wants_reboot = false; | |
| bool wants_reboot_bootloader = false; | |
| bool wants_reboot_recovery = false; | |
| bool wants_reboot_fastboot = false; | |
| bool skip_reboot = false; | |
| bool wants_set_active = false; | |
| bool skip_secondary = false; | |
| bool set_fbe_marker = false; | |
| bool force_flash = false; | |
| int longindex; | |
| std::string slot_override; | |
| std::string next_active; | |
| g_boot_img_hdr.kernel_addr = 0x00008000; | |
| g_boot_img_hdr.ramdisk_addr = 0x01000000; | |
| g_boot_img_hdr.second_addr = 0x00f00000; | |
| g_boot_img_hdr.tags_addr = 0x00000100; | |
| g_boot_img_hdr.page_size = 2048; | |
| g_boot_img_hdr.dtb_addr = 0x01100000; | |
| const struct option longopts[] = { | |
| {"base", required_argument, 0, 0}, | |
| {"cmdline", required_argument, 0, 0}, | |
| {"disable-verification", no_argument, 0, 0}, | |
| {"disable-verity", no_argument, 0, 0}, | |
| {"force", no_argument, 0, 0}, | |
| {"header-version", required_argument, 0, 0}, | |
| {"help", no_argument, 0, 'h'}, | |
| {"kernel-offset", required_argument, 0, 0}, | |
| {"os-patch-level", required_argument, 0, 0}, | |
| {"os-version", required_argument, 0, 0}, | |
| {"page-size", required_argument, 0, 0}, | |
| {"ramdisk-offset", required_argument, 0, 0}, | |
| {"set-active", optional_argument, 0, 'a'}, | |
| {"skip-reboot", no_argument, 0, 0}, | |
| {"skip-secondary", no_argument, 0, 0}, | |
| {"slot", required_argument, 0, 0}, | |
| {"tags-offset", required_argument, 0, 0}, | |
| {"dtb", required_argument, 0, 0}, | |
| {"dtb-offset", required_argument, 0, 0}, | |
| {"unbuffered", no_argument, 0, 0}, | |
| {"verbose", no_argument, 0, 'v'}, | |
| {"version", no_argument, 0, 0}, | |
| #if !defined(_WIN32) | |
| {"wipe-and-use-fbe", no_argument, 0, 0}, | |
| #endif | |
| {0, 0, 0, 0} | |
| }; | |
| serial = getenv("ANDROID_SERIAL"); | |
| int c; | |
| while ((c = getopt_long(argc, argv, "a::hls:S:vw", longopts, &longindex)) != -1) { | |
| if (c == 0) { | |
| std::string name{longopts[longindex].name}; | |
| if (name == "base") { | |
| g_base_addr = strtoul(optarg, 0, 16); | |
| } else if (name == "cmdline") { | |
| g_cmdline = optarg; | |
| } else if (name == "disable-verification") { | |
| g_disable_verification = true; | |
| } else if (name == "disable-verity") { | |
| g_disable_verity = true; | |
| } else if (name == "force") { | |
| force_flash = true; | |
| } else if (name == "header-version") { | |
| g_boot_img_hdr.header_version = strtoul(optarg, nullptr, 0); | |
| } else if (name == "dtb") { | |
| g_dtb_path = optarg; | |
| } else if (name == "kernel-offset") { | |
| g_boot_img_hdr.kernel_addr = strtoul(optarg, 0, 16); | |
| } else if (name == "os-patch-level") { | |
| ParseOsPatchLevel(&g_boot_img_hdr, optarg); | |
| } else if (name == "os-version") { | |
| ParseOsVersion(&g_boot_img_hdr, optarg); | |
| } else if (name == "page-size") { | |
| g_boot_img_hdr.page_size = strtoul(optarg, nullptr, 0); | |
| if (g_boot_img_hdr.page_size == 0) die("invalid page size"); | |
| } else if (name == "ramdisk-offset") { | |
| g_boot_img_hdr.ramdisk_addr = strtoul(optarg, 0, 16); | |
| } else if (name == "skip-reboot") { | |
| skip_reboot = true; | |
| } else if (name == "skip-secondary") { | |
| skip_secondary = true; | |
| } else if (name == "slot") { | |
| slot_override = optarg; | |
| } else if (name == "dtb-offset") { | |
| g_boot_img_hdr.dtb_addr = strtoul(optarg, 0, 16); | |
| } else if (name == "tags-offset") { | |
| g_boot_img_hdr.tags_addr = strtoul(optarg, 0, 16); | |
| } else if (name == "unbuffered") { | |
| setvbuf(stdout, nullptr, _IONBF, 0); | |
| setvbuf(stderr, nullptr, _IONBF, 0); | |
| } else if (name == "version") { | |
| fprintf(stdout, "fastboot version %s-%s\n", PLATFORM_TOOLS_VERSION, android::build::GetBuildNumber().c_str()); | |
| fprintf(stdout, "Installed as %s\n", android::base::GetExecutablePath().c_str()); | |
| return 0; | |
| #if !defined(_WIN32) | |
| } else if (name == "wipe-and-use-fbe") { | |
| wants_wipe = true; | |
| set_fbe_marker = true; | |
| #endif | |
| } else { | |
| die("unknown option %s", longopts[longindex].name); | |
| } | |
| } else { | |
| switch (c) { | |
| case 'a': | |
| wants_set_active = true; | |
| if (optarg) next_active = optarg; | |
| break; | |
| case 'h': | |
| return show_help(); | |
| case 'l': | |
| g_long_listing = true; | |
| break; | |
| case 's': | |
| serial = optarg; | |
| break; | |
| case 'S': | |
| if (!android::base::ParseByteCount(optarg, &sparse_limit)) { | |
| die("invalid sparse limit %s", optarg); | |
| } | |
| break; | |
| case 'v': | |
| set_verbose(); | |
| break; | |
| case 'w': | |
| wants_wipe = true; | |
| break; | |
| case '?': | |
| return 1; | |
| default: | |
| abort(); | |
| } | |
| } | |
| } | |
| argc -= optind; | |
| argv += optind; | |
| if (argc == 0 && !wants_wipe && !wants_set_active) syntax_error("no command"); | |
| if (argc > 0 && !strcmp(*argv, "devices")) { | |
| list_devices(); | |
| return 0; | |
| } | |
| if (argc > 0 && !strcmp(*argv, "help")) { | |
| return show_help(); | |
| } | |
| Transport* transport = open_device(); | |
| if (transport == nullptr) { | |
| return 1; | |
| } | |
| fastboot::DriverCallbacks driver_callbacks = { | |
| .prolog = Status, | |
| .epilog = Epilog, | |
| .info = InfoMessage, | |
| }; | |
| fastboot::FastBootDriver fastboot_driver(transport, driver_callbacks, false); | |
| fb = &fastboot_driver; | |
| const double start = now(); | |
| if (slot_override != "") slot_override = verify_slot(slot_override); | |
| if (next_active != "") next_active = verify_slot(next_active, false); | |
| if (wants_set_active) { | |
| if (next_active == "") { | |
| if (slot_override == "") { | |
| std::string current_slot; | |
| if (fb->GetVar("current-slot", ¤t_slot) == fastboot::SUCCESS) { | |
| next_active = verify_slot(current_slot, false); | |
| } else { | |
| wants_set_active = false; | |
| } | |
| } else { | |
| next_active = verify_slot(slot_override, false); | |
| } | |
| } | |
| } | |
| std::vector<std::string> args(argv, argv + argc); | |
| while (!args.empty()) { | |
| std::string command = next_arg(&args); | |
| if (command == FB_CMD_GETVAR) { | |
| std::string variable = next_arg(&args); | |
| DisplayVarOrError(variable, variable); | |
| } else if (command == FB_CMD_ERASE) { | |
| std::string partition = next_arg(&args); | |
| auto erase = [&](const std::string& partition) { | |
| std::string partition_type; | |
| if (fb->GetVar("partition-type:" + partition, &partition_type) == fastboot::SUCCESS && | |
| fs_get_generator(partition_type) != nullptr) { | |
| fprintf(stderr, "******** Did you mean to fastboot format this %s partition?\n", | |
| partition_type.c_str()); | |
| } | |
| fb->Erase(partition); | |
| }; | |
| do_for_partitions(partition, slot_override, erase, true); | |
| } else if (android::base::StartsWith(command, "format")) { | |
| // Parsing for: "format[:[type][:[size]]]" | |
| // Some valid things: | |
| // - select only the size, and leave default fs type: | |
| // format::0x4000000 userdata | |
| // - default fs type and size: | |
| // format userdata | |
| // format:: userdata | |
| std::vector<std::string> pieces = android::base::Split(command, ":"); | |
| std::string type_override; | |
| if (pieces.size() > 1) type_override = pieces[1].c_str(); | |
| std::string size_override; | |
| if (pieces.size() > 2) size_override = pieces[2].c_str(); | |
| std::string partition = next_arg(&args); | |
| auto format = [&](const std::string& partition) { | |
| fb_perform_format(partition, 0, type_override, size_override, ""); | |
| }; | |
| do_for_partitions(partition, slot_override, format, true); | |
| } else if (command == "signature") { | |
| std::string filename = next_arg(&args); | |
| std::vector<char> data; | |
| if (!ReadFileToVector(filename, &data)) { | |
| die("could not load '%s': %s", filename.c_str(), strerror(errno)); | |
| } | |
| if (data.size() != 256) die("signature must be 256 bytes (got %zu)", data.size()); | |
| fb->Download("signature", data); | |
| fb->RawCommand("signature", "installing signature"); | |
| } else if (command == FB_CMD_REBOOT) { | |
| wants_reboot = true; | |
| if (args.size() == 1) { | |
| std::string what = next_arg(&args); | |
| if (what == "bootloader") { | |
| wants_reboot = false; | |
| wants_reboot_bootloader = true; | |
| } else if (what == "recovery") { | |
| wants_reboot = false; | |
| wants_reboot_recovery = true; | |
| } else if (what == "fastboot") { | |
| wants_reboot = false; | |
| wants_reboot_fastboot = true; | |
| } else { | |
| syntax_error("unknown reboot target %s", what.c_str()); | |
| } | |
| } | |
| if (!args.empty()) syntax_error("junk after reboot command"); | |
| } else if (command == FB_CMD_REBOOT_BOOTLOADER) { | |
| wants_reboot_bootloader = true; | |
| } else if (command == FB_CMD_REBOOT_RECOVERY) { | |
| wants_reboot_recovery = true; | |
| } else if (command == FB_CMD_REBOOT_FASTBOOT) { | |
| wants_reboot_fastboot = true; | |
| } else if (command == FB_CMD_CONTINUE) { | |
| fb->Continue(); | |
| } else if (command == FB_CMD_BOOT) { | |
| std::string kernel = next_arg(&args); | |
| std::string ramdisk; | |
| if (!args.empty()) ramdisk = next_arg(&args); | |
| std::string second_stage; | |
| if (!args.empty()) second_stage = next_arg(&args); | |
| auto data = LoadBootableImage(kernel, ramdisk, second_stage); | |
| fb->Download("boot.img", data); | |
| fb->Boot(); | |
| } else if (command == FB_CMD_FLASH) { | |
| std::string pname = next_arg(&args); | |
| std::string fname; | |
| if (!args.empty()) { | |
| fname = next_arg(&args); | |
| } else { | |
| fname = find_item(pname); | |
| } | |
| if (fname.empty()) die("cannot determine image filename for '%s'", pname.c_str()); | |
| auto flash = [&](const std::string &partition) { | |
| if (should_flash_in_userspace(partition) && !is_userspace_fastboot() && | |
| !force_flash) { | |
| die("The partition you are trying to flash is dynamic, and " | |
| "should be flashed via fastbootd. Please run:\n" | |
| "\n" | |
| " fastboot reboot fastboot\n" | |
| "\n" | |
| "And try again. If you are intentionally trying to " | |
| "overwrite a fixed partition, use --force."); | |
| } | |
| do_flash(partition.c_str(), fname.c_str()); | |
| }; | |
| do_for_partitions(pname, slot_override, flash, true); | |
| } else if (command == "flash:raw") { | |
| std::string partition = next_arg(&args); | |
| std::string kernel = next_arg(&args); | |
| std::string ramdisk; | |
| if (!args.empty()) ramdisk = next_arg(&args); | |
| std::string second_stage; | |
| if (!args.empty()) second_stage = next_arg(&args); | |
| auto data = LoadBootableImage(kernel, ramdisk, second_stage); | |
| auto flashraw = [&data](const std::string& partition) { | |
| fb->FlashPartition(partition, data); | |
| }; | |
| do_for_partitions(partition, slot_override, flashraw, true); | |
| } else if (command == "flashall") { | |
| if (slot_override == "all") { | |
| fprintf(stderr, "Warning: slot set to 'all'. Secondary slots will not be flashed.\n"); | |
| do_flashall(slot_override, true, wants_wipe); | |
| } else { | |
| do_flashall(slot_override, skip_secondary, wants_wipe); | |
| } | |
| wants_reboot = true; | |
| } else if (command == "update") { | |
| bool slot_all = (slot_override == "all"); | |
| if (slot_all) { | |
| fprintf(stderr, "Warning: slot set to 'all'. Secondary slots will not be flashed.\n"); | |
| } | |
| std::string filename = "update.zip"; | |
| if (!args.empty()) { | |
| filename = next_arg(&args); | |
| } | |
| do_update(filename.c_str(), slot_override, skip_secondary || slot_all); | |
| wants_reboot = true; | |
| } else if (command == FB_CMD_SET_ACTIVE) { | |
| std::string slot = verify_slot(next_arg(&args), false); | |
| fb->SetActive(slot); | |
| } else if (command == "stage") { | |
| std::string filename = next_arg(&args); | |
| struct fastboot_buffer buf; | |
| if (!load_buf(filename.c_str(), &buf) || buf.type != FB_BUFFER_FD) { | |
| die("cannot load '%s'", filename.c_str()); | |
| } | |
| fb->Download(filename, buf.fd, buf.sz); | |
| } else if (command == "get_staged") { | |
| std::string filename = next_arg(&args); | |
| fb->Upload(filename); | |
| } else if (command == FB_CMD_OEM) { | |
| do_oem_command(FB_CMD_OEM, &args); | |
| } else if (command == "flashing") { | |
| if (args.empty()) { | |
| syntax_error("missing 'flashing' command"); | |
| } else if (args.size() == 1 && (args[0] == "unlock" || args[0] == "lock" || | |
| args[0] == "unlock_critical" || | |
| args[0] == "lock_critical" || | |
| args[0] == "get_unlock_ability")) { | |
| do_oem_command("flashing", &args); | |
| } else { | |
| syntax_error("unknown 'flashing' command %s", args[0].c_str()); | |
| } | |
| } else if (command == FB_CMD_CREATE_PARTITION) { | |
| std::string partition = next_arg(&args); | |
| std::string size = next_arg(&args); | |
| fb->CreatePartition(partition, size); | |
| } else if (command == FB_CMD_DELETE_PARTITION) { | |
| std::string partition = next_arg(&args); | |
| fb->DeletePartition(partition); | |
| } else if (command == FB_CMD_RESIZE_PARTITION) { | |
| std::string partition = next_arg(&args); | |
| std::string size = next_arg(&args); | |
| fb->ResizePartition(partition, size); | |
| } else if (command == "gsi") { | |
| std::string arg = next_arg(&args); | |
| if (arg == "wipe") { | |
| fb->RawCommand("gsi:wipe", "wiping GSI"); | |
| } else if (arg == "disable") { | |
| fb->RawCommand("gsi:disable", "disabling GSI"); | |
| } else { | |
| syntax_error("expected 'wipe' or 'disable'"); | |
| } | |
| } else { | |
| syntax_error("unknown command %s", command.c_str()); | |
| } | |
| } | |
| if (wants_wipe) { | |
| std::vector<std::string> partitions = { "userdata", "cache", "metadata" }; | |
| for (const auto& partition : partitions) { | |
| std::string partition_type; | |
| if (fb->GetVar("partition-type:" + partition, &partition_type) != fastboot::SUCCESS) { | |
| continue; | |
| } | |
| if (partition_type.empty()) continue; | |
| fb->Erase(partition); | |
| if (partition == "userdata" && set_fbe_marker) { | |
| fprintf(stderr, "setting FBE marker on initial userdata...\n"); | |
| std::string initial_userdata_dir = create_fbemarker_tmpdir(); | |
| fb_perform_format(partition, 1, "", "", initial_userdata_dir); | |
| delete_fbemarker_tmpdir(initial_userdata_dir); | |
| } else { | |
| fb_perform_format(partition, 1, "", "", ""); | |
| } | |
| } | |
| } | |
| if (wants_set_active) { | |
| fb->SetActive(next_active); | |
| } | |
| if (wants_reboot && !skip_reboot) { | |
| fb->Reboot(); | |
| fb->WaitForDisconnect(); | |
| } else if (wants_reboot_bootloader) { | |
| fb->RebootTo("bootloader"); | |
| fb->WaitForDisconnect(); | |
| } else if (wants_reboot_recovery) { | |
| fb->RebootTo("recovery"); | |
| fb->WaitForDisconnect(); | |
| } else if (wants_reboot_fastboot) { | |
| reboot_to_userspace_fastboot(); | |
| } | |
| fprintf(stderr, "Finished. Total time: %.3fs\n", (now() - start)); | |
| auto* old_transport = fb->set_transport(nullptr); | |
| delete old_transport; | |
| return 0; | |
| } | |
| void FastBootTool::ParseOsPatchLevel(boot_img_hdr_v1* hdr, const char* arg) { | |
| unsigned year, month, day; | |
| if (sscanf(arg, "%u-%u-%u", &year, &month, &day) != 3) { | |
| syntax_error("OS patch level should be YYYY-MM-DD: %s", arg); | |
| } | |
| if (year < 2000 || year >= 2128) syntax_error("year out of range: %d", year); | |
| if (month < 1 || month > 12) syntax_error("month out of range: %d", month); | |
| hdr->SetOsPatchLevel(year, month); | |
| } | |
| void FastBootTool::ParseOsVersion(boot_img_hdr_v1* hdr, const char* arg) { | |
| unsigned major = 0, minor = 0, patch = 0; | |
| std::vector<std::string> versions = android::base::Split(arg, "."); | |
| if (versions.size() < 1 || versions.size() > 3 || | |
| (versions.size() >= 1 && !android::base::ParseUint(versions[0], &major)) || | |
| (versions.size() >= 2 && !android::base::ParseUint(versions[1], &minor)) || | |
| (versions.size() == 3 && !android::base::ParseUint(versions[2], &patch)) || | |
| (major > 0x7f || minor > 0x7f || patch > 0x7f)) { | |
| syntax_error("bad OS version: %s", arg); | |
| } | |
| hdr->SetOsVersion(major, minor, patch); | |
| } |