| /* |
| * 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 <fstream> |
| #include <functional> |
| #include <iostream> |
| #include <memory> |
| #include <regex> |
| #include <sstream> |
| #include <string> |
| #include <thread> |
| #include <utility> |
| #include <vector> |
| |
| #include <android-base/endian.h> |
| #include <android-base/file.h> |
| #include <android-base/logging.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 <libavb/libavb.h> |
| #include <liblp/liblp.h> |
| #include <liblp/super_layout_builder.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 "fastboot_driver_interface.h" |
| #include "fs.h" |
| #include "storage.h" |
| #include "super_flash_helper.h" |
| #include "task.h" |
| #include "tcp.h" |
| #include "transport.h" |
| #include "udp.h" |
| #include "usb.h" |
| #include "util.h" |
| #include "vendor_boot_img_utils.h" |
| |
| using android::base::borrowed_fd; |
| using android::base::ReadFully; |
| using android::base::Split; |
| using android::base::Trim; |
| using android::base::unique_fd; |
| using namespace std::string_literals; |
| using namespace std::placeholders; |
| |
| #define FASTBOOT_INFO_VERSION 1 |
| |
| 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 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; |
| |
| fastboot::FastBootDriver* fb = nullptr; |
| |
| static std::vector<Image> images = { |
| // clang-format off |
| { "boot", "boot.img", "boot.sig", "boot", false, ImageType::BootCritical }, |
| { "bootloader", |
| "bootloader.img", "", "bootloader", |
| true, ImageType::Extra }, |
| { "init_boot", |
| "init_boot.img", "init_boot.sig", |
| "init_boot", |
| true, ImageType::BootCritical }, |
| { "", "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 }, |
| { "odm_dlkm", "odm_dlkm.img", "odm_dlkm.sig", "odm_dlkm", true, ImageType::Normal }, |
| { "product", "product.img", "product.sig", "product", true, ImageType::Normal }, |
| { "pvmfw", "pvmfw.img", "pvmfw.sig", "pvmfw", true, ImageType::BootCritical }, |
| { "radio", "radio.img", "", "radio", true, ImageType::Extra }, |
| { "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 }, |
| { "system_dlkm", |
| "system_dlkm.img", "system_dlkm.sig", |
| "system_dlkm", |
| true, ImageType::Normal }, |
| { "system_ext", |
| "system_ext.img", "system_ext.sig", |
| "system_ext", |
| true, ImageType::Normal }, |
| { "", "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 }, |
| { "vbmeta_vendor", |
| "vbmeta_vendor.img", |
| "vbmeta_vendor.sig", |
| "vbmeta_vendor", |
| true, ImageType::BootCritical }, |
| { "vendor", "vendor.img", "vendor.sig", "vendor", true, ImageType::Normal }, |
| { "vendor_boot", |
| "vendor_boot.img", "vendor_boot.sig", |
| "vendor_boot", |
| true, ImageType::BootCritical }, |
| { "vendor_dlkm", |
| "vendor_dlkm.img", "vendor_dlkm.sig", |
| "vendor_dlkm", |
| true, ImageType::Normal }, |
| { "vendor_kernel_boot", |
| "vendor_kernel_boot.img", |
| "vendor_kernel_boot.sig", |
| "vendor_kernel_boot", |
| true, ImageType::BootCritical }, |
| { "", "vendor_other.img", "vendor.sig", "vendor", true, ImageType::Normal }, |
| // clang-format on |
| }; |
| |
| 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; |
| } |
| |
| std::string find_item(const std::string& item) { |
| for (size_t i = 0; i < images.size(); ++i) { |
| if (!images[i].nickname.empty() && 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) { |
| if (!message.empty()) { |
| 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 void TextMessage(const std::string& text) { |
| fprintf(stderr, "%s", text.c_str()); |
| } |
| |
| 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 ifc_match_func match_fastboot(const char* local_serial = serial) { |
| return [local_serial](usb_ifc_info* info) -> int { |
| return match_fastboot_with_serial(info, local_serial); |
| }; |
| } |
| |
| // output compatible with "adb devices" |
| static void PrintDevice(const char* local_serial, const char* status = nullptr, |
| const char* details = nullptr) { |
| if (local_serial == nullptr || strlen(local_serial) == 0) { |
| return; |
| } |
| |
| if (g_long_listing) { |
| printf("%-22s", local_serial); |
| } else { |
| printf("%s\t", local_serial); |
| } |
| |
| if (status != nullptr && strlen(status) > 0) { |
| printf(" %s", status); |
| } |
| |
| if (g_long_listing) { |
| if (details != nullptr && strlen(details) > 0) { |
| printf(" %s", details); |
| } |
| } |
| |
| putchar('\n'); |
| } |
| |
| static int list_devices_callback(usb_ifc_info* info) { |
| if (match_fastboot_with_serial(info, nullptr) == 0) { |
| std::string serial = info->serial_number; |
| std::string interface = info->interface; |
| if (interface.empty()) { |
| interface = "fastboot"; |
| } |
| if (!info->writable) { |
| serial = UsbNoPermissionsShortHelpText(); |
| } |
| if (!serial[0]) { |
| serial = "????????????"; |
| } |
| |
| PrintDevice(serial.c_str(), interface.c_str(), info->device_path); |
| } |
| |
| return -1; |
| } |
| |
| Result<NetworkSerial, FastbootError> ParseNetworkSerial(const std::string& serial) { |
| Socket::Protocol protocol; |
| const char* net_address = nullptr; |
| int port = 0; |
| |
| if (android::base::StartsWith(serial, "tcp:")) { |
| protocol = Socket::Protocol::kTcp; |
| net_address = serial.c_str() + strlen("tcp:"); |
| port = tcp::kDefaultPort; |
| } else if (android::base::StartsWith(serial, "udp:")) { |
| protocol = Socket::Protocol::kUdp; |
| net_address = serial.c_str() + strlen("udp:"); |
| port = udp::kDefaultPort; |
| } else { |
| return Error<FastbootError>(FastbootError::Type::NETWORK_SERIAL_WRONG_PREFIX) |
| << "protocol prefix ('tcp:' or 'udp:') is missed: " << serial << ". " |
| << "Expected address format:\n" |
| << "<protocol>:<address>:<port> (tcp:localhost:5554)"; |
| } |
| |
| std::string error; |
| std::string host; |
| if (!android::base::ParseNetAddress(net_address, &host, &port, nullptr, &error)) { |
| return Error<FastbootError>(FastbootError::Type::NETWORK_SERIAL_WRONG_ADDRESS) |
| << "invalid network address '" << net_address << "': " << error; |
| } |
| |
| return NetworkSerial{protocol, host, port}; |
| } |
| |
| // Opens a new Transport connected to the particular device. |
| // arguments: |
| // |
| // local_serial - device to connect (can be a network or usb serial name) |
| // wait_for_device - flag indicates whether we need to wait for device |
| // announce - flag indicates whether we need to print error to stdout in case |
| // we cannot connect to the device |
| // |
| // 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 std::unique_ptr<Transport> open_device(const char* local_serial, |
| bool wait_for_device = true, |
| bool announce = true) { |
| const Result<NetworkSerial, FastbootError> network_serial = ParseNetworkSerial(local_serial); |
| |
| std::unique_ptr<Transport> transport; |
| while (true) { |
| if (network_serial.ok()) { |
| std::string error; |
| if (network_serial->protocol == Socket::Protocol::kTcp) { |
| transport = tcp::Connect(network_serial->address, network_serial->port, &error); |
| } else if (network_serial->protocol == Socket::Protocol::kUdp) { |
| transport = udp::Connect(network_serial->address, network_serial->port, &error); |
| } |
| |
| if (!transport && announce) { |
| LOG(ERROR) << "error: " << error; |
| } |
| } else if (network_serial.error().code() == |
| FastbootError::Type::NETWORK_SERIAL_WRONG_PREFIX) { |
| // WRONG_PREFIX is special because it happens when user wants to communicate with USB |
| // device |
| transport = usb_open(match_fastboot(local_serial)); |
| } else { |
| Expect(network_serial); |
| } |
| |
| if (transport) { |
| return transport; |
| } |
| |
| if (!wait_for_device) { |
| return transport; |
| } |
| |
| if (announce) { |
| announce = false; |
| LOG(ERROR) << "< waiting for " << local_serial << ">"; |
| } |
| std::this_thread::sleep_for(std::chrono::seconds(1)); |
| } |
| } |
| |
| static std::unique_ptr<Transport> NetworkDeviceConnected(bool print = false) { |
| std::unique_ptr<Transport> transport; |
| std::unique_ptr<Transport> result; |
| |
| ConnectedDevicesStorage storage; |
| std::set<std::string> devices; |
| if (storage.Exists()) { |
| FileLock lock = storage.Lock(); |
| devices = storage.ReadDevices(lock); |
| } |
| |
| for (const std::string& device : devices) { |
| transport = open_device(device.c_str(), false, false); |
| |
| if (print) { |
| PrintDevice(device.c_str(), transport ? "offline" : "fastboot"); |
| } |
| |
| if (transport) { |
| result = std::move(transport); |
| } |
| } |
| |
| return result; |
| } |
| |
| // Detects the fastboot connected device to open a new Transport. |
| // Detecting logic: |
| // |
| // if serial is provided - try to connect to this particular usb/network device |
| // othervise: |
| // 1. Check connected usb devices and return the last connected one |
| // 2. Check connected network devices and return the last connected one |
| // 2. If nothing is connected - wait for any device by repeating p. 1 and 2 |
| // |
| // 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 std::unique_ptr<Transport> open_device() { |
| if (serial != nullptr) { |
| return open_device(serial); |
| } |
| |
| bool announce = true; |
| std::unique_ptr<Transport> transport; |
| while (true) { |
| transport = usb_open(match_fastboot(nullptr)); |
| if (transport) { |
| return transport; |
| } |
| |
| transport = NetworkDeviceConnected(); |
| if (transport) { |
| return transport; |
| } |
| |
| if (announce) { |
| announce = false; |
| LOG(ERROR) << "< waiting for any device >"; |
| } |
| std::this_thread::sleep_for(std::chrono::seconds(1)); |
| } |
| |
| return transport; |
| } |
| |
| static int Connect(int argc, char* argv[]) { |
| if (argc != 1) { |
| LOG(FATAL) << "connect command requires to receive only 1 argument. Usage:" << std::endl |
| << "fastboot connect [tcp:|udp:host:port]"; |
| } |
| |
| const char* local_serial = *argv; |
| Expect(ParseNetworkSerial(local_serial)); |
| |
| if (!open_device(local_serial, false)) { |
| return 1; |
| } |
| |
| ConnectedDevicesStorage storage; |
| { |
| FileLock lock = storage.Lock(); |
| std::set<std::string> devices = storage.ReadDevices(lock); |
| devices.insert(local_serial); |
| storage.WriteDevices(lock, devices); |
| } |
| |
| return 0; |
| } |
| |
| static int Disconnect(const char* local_serial) { |
| Expect(ParseNetworkSerial(local_serial)); |
| |
| ConnectedDevicesStorage storage; |
| { |
| FileLock lock = storage.Lock(); |
| std::set<std::string> devices = storage.ReadDevices(lock); |
| devices.erase(local_serial); |
| storage.WriteDevices(lock, devices); |
| } |
| |
| return 0; |
| } |
| |
| static int Disconnect() { |
| ConnectedDevicesStorage storage; |
| { |
| FileLock lock = storage.Lock(); |
| storage.Clear(lock); |
| } |
| |
| return 0; |
| } |
| |
| static int Disconnect(int argc, char* argv[]) { |
| switch (argc) { |
| case 0: { |
| return Disconnect(); |
| } |
| case 1: { |
| return Disconnect(*argv); |
| } |
| default: |
| LOG(FATAL) << "disconnect command can receive only 0 or 1 arguments. Usage:" |
| << std::endl |
| << "fastboot disconnect # disconnect all devices" << std::endl |
| << "fastboot disconnect [tcp:|udp:host:port] # disconnect device"; |
| } |
| |
| return 0; |
| } |
| |
| 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); |
| NetworkDeviceConnected(/* print */ true); |
| } |
| |
| 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" |
| " wipe-super [SUPER_EMPTY] Wipe the super partition. This will reset it to\n" |
| " contain an empty set of default dynamic partitions.\n" |
| " create-logical-partition NAME SIZE\n" |
| " Create a logical partition with the given name and\n" |
| " size, in the super partition.\n" |
| " delete-logical-partition NAME\n" |
| " Delete a logical partition with the given name.\n" |
| " resize-logical-partition NAME SIZE\n" |
| " Change the size of the named logical partition.\n" |
| " snapshot-update cancel On devices that support snapshot-based updates, cancel\n" |
| " an in-progress update. This may make the device\n" |
| " unbootable until it is reflashed.\n" |
| " snapshot-update merge On devices that support snapshot-based updates, finish\n" |
| " an in-progress update if it is in the \"merging\"\n" |
| " phase.\n" |
| " fetch PARTITION OUT_FILE Fetch a partition image from the device." |
| "\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" |
| " --disable-super-optimization\n" |
| " Disables optimizations on flashing super partition.\n" |
| " --disable-fastboot-info Will collects tasks from image list rather than $OUT/fastboot-info.txt.\n" |
| " --fs-options=OPTION[,OPTION]\n" |
| " Enable filesystem features. OPTION supports casefold, projid, compress\n" |
| // 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 on |
| 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_v3)) { |
| 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; |
| 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(reinterpret_cast<boot_img_hdr_v2*>(out.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) { |
| ZipEntry64 zip_entry; |
| if (FindEntry(zip, entry_name, &zip_entry) != 0) { |
| fprintf(stderr, "archive does not contain '%s'\n", entry_name.c_str()); |
| return false; |
| } |
| |
| if (zip_entry.uncompressed_length > std::numeric_limits<size_t>::max()) { |
| die("entry '%s' is too large: %" PRIu64, entry_name.c_str(), zip_entry.uncompressed_length); |
| } |
| 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 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 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 unique_fd UnzipToFile(ZipArchiveHandle zip, const char* entry_name) { |
| unique_fd fd(make_temporary_fd(entry_name)); |
| |
| ZipEntry64 zip_entry; |
| if (FindEntry(zip, entry_name, &zip_entry) != 0) { |
| fprintf(stderr, "archive does not contain '%s'\n", entry_name); |
| errno = ENOENT; |
| return unique_fd(); |
| } |
| |
| fprintf(stderr, "extracting %s (%" PRIu64 " MB) to disk...", entry_name, |
| zip_entry.uncompressed_length / 1024 / 1024); |
| double start = now(); |
| int error = ExtractEntryToFile(zip, &zip_entry, fd.get()); |
| if (error != 0) { |
| die("\nfailed to extract '%s': %s", entry_name, ErrorCodeString(error)); |
| } |
| |
| if (lseek(fd.get(), 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; |
| } |
| |
| static bool 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 true; |
| } |
| } |
| |
| 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()); |
| return false; |
| } |
| |
| 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 true; |
| } |
| |
| 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"); |
| return false; |
| } |
| |
| 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 < images.size(); ++i) { |
| if (!images[i].nickname.empty() && 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, bool force_flash) { |
| 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 { |
| bool met = CheckRequirement(cur_product, name, product, invert, options); |
| if (!met) { |
| if (!force_flash) { |
| die("requirements not met!"); |
| } else { |
| fprintf(stderr, "requirements not met! but proceeding due to --force\n"); |
| } |
| } |
| } |
| } |
| } |
| |
| 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"); |
| } |
| |
| std::vector<SparsePtr> resparse_file(sparse_file* s, int64_t max_size) { |
| if (max_size <= 0 || max_size > std::numeric_limits<uint32_t>::max()) { |
| die("invalid max size %" PRId64, max_size); |
| } |
| |
| const int files = sparse_file_resparse(s, max_size, nullptr, 0); |
| if (files < 0) die("Failed to compute resparse boundaries"); |
| |
| auto temp = std::make_unique<sparse_file*[]>(files); |
| const int rv = sparse_file_resparse(s, max_size, temp.get(), files); |
| if (rv < 0) die("Failed to resparse"); |
| |
| std::vector<SparsePtr> out_s; |
| for (int i = 0; i < files; i++) { |
| out_s.emplace_back(temp[i], sparse_file_destroy); |
| } |
| return out_s; |
| } |
| |
| static std::vector<SparsePtr> load_sparse_files(int fd, int64_t max_size) { |
| SparsePtr s(sparse_file_import_auto(fd, false, true), sparse_file_destroy); |
| if (!s) die("cannot sparse read file"); |
| |
| return resparse_file(s.get(), max_size); |
| } |
| |
| static uint64_t get_uint_var(const char* var_name, fastboot::IFastBootDriver* fb) { |
| std::string value_str; |
| if (fb->GetVar(var_name, &value_str) != fastboot::SUCCESS || value_str.empty()) { |
| verbose("target didn't report %s", var_name); |
| return 0; |
| } |
| |
| // Some bootloaders (angler, for example) send spurious whitespace too. |
| value_str = android::base::Trim(value_str); |
| |
| uint64_t value; |
| if (!android::base::ParseUint(value_str, &value)) { |
| fprintf(stderr, "couldn't parse %s '%s'\n", var_name, value_str.c_str()); |
| return 0; |
| } |
| if (value > 0) verbose("target reported %s of %" PRId64 " bytes", var_name, value); |
| return value; |
| } |
| |
| int64_t get_sparse_limit(int64_t size, const FlashingPlan* fp) { |
| int64_t limit = int64_t(fp->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 = static_cast<int64_t>(get_uint_var("max-download-size", fp->fb)); |
| } |
| 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(unique_fd fd, struct fastboot_buffer* buf, const FlashingPlan* fp) { |
| int64_t sz = get_file_size(fd); |
| if (sz == -1) { |
| return false; |
| } |
| |
| if (sparse_file* s = sparse_file_import(fd.get(), false, false)) { |
| buf->image_size = sparse_file_len(s, false, false); |
| if (buf->image_size < 0) { |
| LOG(ERROR) << "Could not compute length of sparse file"; |
| return false; |
| } |
| sparse_file_destroy(s); |
| } else { |
| buf->image_size = sz; |
| } |
| |
| lseek(fd.get(), 0, SEEK_SET); |
| int64_t limit = get_sparse_limit(sz, fp); |
| buf->fd = std::move(fd); |
| if (limit) { |
| buf->files = load_sparse_files(buf->fd.get(), limit); |
| if (buf->files.empty()) { |
| return false; |
| } |
| buf->type = FB_BUFFER_SPARSE; |
| } else { |
| buf->type = FB_BUFFER_FD; |
| buf->sz = sz; |
| } |
| |
| return true; |
| } |
| |
| static bool load_buf(const char* fname, struct fastboot_buffer* buf, const FlashingPlan* fp) { |
| unique_fd fd(TEMP_FAILURE_RETRY(open(fname, O_RDONLY | O_BINARY))); |
| |
| if (fd == -1) { |
| return false; |
| } |
| |
| struct stat s; |
| if (fstat(fd.get(), &s)) { |
| return false; |
| } |
| if (!S_ISREG(s.st_mode)) { |
| errno = S_ISDIR(s.st_mode) ? EISDIR : EINVAL; |
| return false; |
| } |
| |
| return load_buf_fd(std::move(fd), buf, fp); |
| } |
| |
| static void rewrite_vbmeta_buffer(struct fastboot_buffer* buf, bool vbmeta_in_boot) { |
| // Buffer needs to be at least the size of the VBMeta struct which |
| // is 256 bytes. |
| if (buf->sz < 256) { |
| return; |
| } |
| |
| std::string data; |
| if (!android::base::ReadFdToString(buf->fd, &data)) { |
| die("Failed reading from vbmeta"); |
| } |
| |
| uint64_t vbmeta_offset = 0; |
| if (vbmeta_in_boot) { |
| // Tries to locate top-level vbmeta from boot.img footer. |
| uint64_t footer_offset = buf->sz - AVB_FOOTER_SIZE; |
| if (0 != data.compare(footer_offset, AVB_FOOTER_MAGIC_LEN, AVB_FOOTER_MAGIC)) { |
| die("Failed to find AVB_FOOTER at offset: %" PRId64 ", is BOARD_AVB_ENABLE true?", |
| footer_offset); |
| } |
| const AvbFooter* footer = reinterpret_cast<const AvbFooter*>(data.c_str() + footer_offset); |
| vbmeta_offset = be64toh(footer->vbmeta_offset); |
| } |
| // Ensures there is AVB_MAGIC at vbmeta_offset. |
| if (0 != data.compare(vbmeta_offset, AVB_MAGIC_LEN, AVB_MAGIC)) { |
| die("Failed to find AVB_MAGIC at offset: %" PRId64, vbmeta_offset); |
| } |
| |
| fprintf(stderr, "Rewriting vbmeta struct at offset: %" PRId64 "\n", vbmeta_offset); |
| |
| // 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. |
| uint64_t flags_offset = 123 + vbmeta_offset; |
| if (g_disable_verity) { |
| data[flags_offset] |= 0x01; |
| } |
| if (g_disable_verification) { |
| data[flags_offset] |= 0x02; |
| } |
| |
| unique_fd fd(make_temporary_fd("vbmeta rewriting")); |
| if (!android::base::WriteStringToFd(data, fd)) { |
| die("Failed writing to modified vbmeta"); |
| } |
| buf->fd = std::move(fd); |
| lseek(buf->fd.get(), 0, SEEK_SET); |
| } |
| |
| static bool has_vbmeta_partition() { |
| std::string partition_type; |
| return fb->GetVar("partition-type:vbmeta", &partition_type) == fastboot::SUCCESS || |
| fb->GetVar("partition-type:vbmeta_a", &partition_type) == fastboot::SUCCESS || |
| fb->GetVar("partition-type:vbmeta_b", &partition_type) == fastboot::SUCCESS; |
| } |
| |
| static bool is_vbmeta_partition(const std::string& partition) { |
| return android::base::EndsWith(partition, "vbmeta") || |
| android::base::EndsWith(partition, "vbmeta_a") || |
| android::base::EndsWith(partition, "vbmeta_b"); |
| } |
| |
| // Note: this only works in userspace fastboot. In the bootloader, use |
| // should_flash_in_userspace(). |
| bool is_logical(const std::string& partition) { |
| std::string value; |
| return fb->GetVar("is-logical:" + partition, &value) == fastboot::SUCCESS && value == "yes"; |
| } |
| |
| static uint64_t get_partition_size(const std::string& partition) { |
| std::string partition_size_str; |
| if (fb->GetVar("partition-size:" + partition, &partition_size_str) != fastboot::SUCCESS) { |
| if (!is_logical(partition)) { |
| return 0; |
| } |
| die("cannot get partition size for %s", partition.c_str()); |
| } |
| |
| partition_size_str = fb_fix_numeric_var(partition_size_str); |
| uint64_t partition_size; |
| if (!android::base::ParseUint(partition_size_str, &partition_size)) { |
| if (!is_logical(partition)) { |
| return 0; |
| } |
| die("Couldn't parse partition size '%s'.", partition_size_str.c_str()); |
| } |
| return partition_size; |
| } |
| |
| static void copy_avb_footer(const std::string& partition, struct fastboot_buffer* buf) { |
| if (buf->sz < AVB_FOOTER_SIZE || is_logical(partition) || |
| should_flash_in_userspace(partition)) { |
| return; |
| } |
| // If overflows and negative, it should be < buf->sz. |
| int64_t partition_size = static_cast<int64_t>(get_partition_size(partition)); |
| |
| if (partition_size == buf->sz) { |
| return; |
| } |
| // Some device bootloaders might not implement `fastboot getvar partition-size:boot[_a|_b]`. |
| // In this case, partition_size will be zero. |
| if (partition_size < buf->sz) { |
| fprintf(stderr, |
| "Warning: skip copying %s image avb footer" |
| " (%s partition size: %" PRId64 ", %s image size: %" PRId64 ").\n", |
| partition.c_str(), partition.c_str(), partition_size, partition.c_str(), buf->sz); |
| return; |
| } |
| |
| // IMPORTANT: after the following read, we need to reset buf->fd before return (if not die). |
| // Because buf->fd will still be used afterwards. |
| std::string data; |
| if (!android::base::ReadFdToString(buf->fd, &data)) { |
| die("Failed reading from %s", partition.c_str()); |
| } |
| |
| uint64_t footer_offset = buf->sz - AVB_FOOTER_SIZE; |
| if (0 != data.compare(footer_offset, AVB_FOOTER_MAGIC_LEN, AVB_FOOTER_MAGIC)) { |
| lseek(buf->fd.get(), 0, SEEK_SET); // IMPORTANT: resets buf->fd before return. |
| return; |
| } |
| |
| const std::string tmp_fd_template = partition + " rewriting"; |
| unique_fd fd(make_temporary_fd(tmp_fd_template.c_str())); |
| if (!android::base::WriteStringToFd(data, fd)) { |
| die("Failed writing to modified %s", partition.c_str()); |
| } |
| lseek(fd.get(), partition_size - AVB_FOOTER_SIZE, SEEK_SET); |
| if (!android::base::WriteStringToFd(data.substr(footer_offset), fd)) { |
| die("Failed copying AVB footer in %s", partition.c_str()); |
| } |
| buf->fd = std::move(fd); |
| buf->sz = partition_size; |
| lseek(buf->fd.get(), 0, SEEK_SET); |
| } |
| |
| void flash_partition_files(const std::string& partition, const std::vector<SparsePtr>& files) { |
| for (size_t i = 0; i < files.size(); i++) { |
| sparse_file* s = files[i].get(); |
| int64_t sz = sparse_file_len(s, true, false); |
| if (sz < 0) { |
| LOG(FATAL) << "Could not compute length of sparse image for " << partition; |
| } |
| fb->FlashPartition(partition, s, sz, i + 1, files.size()); |
| } |
| } |
| |
| static void flash_buf(const std::string& partition, struct fastboot_buffer* buf, |
| const bool apply_vbmeta) { |
| copy_avb_footer(partition, buf); |
| |
| // Rewrite vbmeta if that's what we're flashing and modification has been requested. |
| if (g_disable_verity || g_disable_verification) { |
| // The vbmeta partition might have additional prefix if running in virtual machine |
| // e.g., guest_vbmeta_a. |
| if (apply_vbmeta) { |
| rewrite_vbmeta_buffer(buf, false /* vbmeta_in_boot */); |
| } else if (!has_vbmeta_partition() && |
| (partition == "boot" || partition == "boot_a" || partition == "boot_b")) { |
| rewrite_vbmeta_buffer(buf, true /* vbmeta_in_boot */); |
| } |
| } |
| |
| switch (buf->type) { |
| case FB_BUFFER_SPARSE: { |
| flash_partition_files(partition, buf->files); |
| break; |
| } |
| case FB_BUFFER_FD: |
| fb->FlashPartition(partition, buf->fd, buf->sz); |
| break; |
| default: |
| die("unknown buffer type: %d", buf->type); |
| } |
| } |
| |
| std::string get_current_slot() { |
| std::string current_slot; |
| if (fb->GetVar("current-slot", ¤t_slot) != fastboot::SUCCESS) return ""; |
| if (current_slot[0] == '_') current_slot.erase(0, 1); |
| return current_slot; |
| } |
| |
| static int get_slot_count(fastboot::IFastBootDriver* fb) { |
| std::string var; |
| int count = 0; |
| if (fb->GetVar("slot-count", &var) != fastboot::SUCCESS || |
| !android::base::ParseInt(var, &count)) { |
| return 0; |
| } |
| return count; |
| } |
| |
| bool supports_AB(fastboot::IFastBootDriver* fb) { |
| return get_slot_count(fb) >= 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(fb)); |
| } |
| |
| 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(fb)); |
| } |
| |
| 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(fb); |
| if (count > 0) { |
| return "a"; |
| } else { |
| die("No known slots"); |
| } |
| } |
| } |
| |
| int count = get_slot_count(fb); |
| 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; |
| // |part| can be vendor_boot:default. Append slot to the first token. |
| auto part_tokens = android::base::Split(part, ":"); |
| |
| if (fb->GetVar("has-slot:" + part_tokens[0], &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"); |
| } |
| part_tokens[0] += "_" + current_slot; |
| } else { |
| part_tokens[0] += "_" + slot; |
| } |
| func(android::base::Join(part_tokens, ":")); |
| } else { |
| if (force_slot && slot != "") { |
| fprintf(stderr, "Warning: %s does not support slots, and slot %s was requested.\n", |
| part_tokens[0].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. |
| */ |
| 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; |
| // |part| can be vendor_boot:default. Query has-slot on the first token only. |
| auto part_tokens = android::base::Split(part, ":"); |
| |
| if (slot == "all") { |
| if (fb->GetVar("has-slot:" + part_tokens[0], &has_slot) != fastboot::SUCCESS) { |
| die("Could not check if partition %s has slot %s", part_tokens[0].c_str(), |
| slot.c_str()); |
| } |
| if (has_slot == "yes") { |
| for (int i = 0; i < get_slot_count(fb); 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); |
| } |
| } |
| |
| bool is_retrofit_device(fastboot::IFastBootDriver* fb) { |
| std::string value; |
| if (fb->GetVar("super-partition-name", &value) != fastboot::SUCCESS) { |
| return false; |
| } |
| return android::base::StartsWith(value, "system_"); |
| } |
| |
| // Fetch a partition from the device to a given fd. This is a wrapper over FetchToFd to fetch |
| // the full image. |
| static uint64_t fetch_partition(const std::string& partition, borrowed_fd fd, |
| fastboot::IFastBootDriver* fb) { |
| uint64_t fetch_size = get_uint_var(FB_VAR_MAX_FETCH_SIZE, fb); |
| if (fetch_size == 0) { |
| die("Unable to get %s. Device does not support fetch command.", FB_VAR_MAX_FETCH_SIZE); |
| } |
| uint64_t partition_size = get_partition_size(partition); |
| if (partition_size <= 0) { |
| die("Invalid partition size for partition %s: %" PRId64, partition.c_str(), partition_size); |
| } |
| |
| uint64_t offset = 0; |
| while (offset < partition_size) { |
| uint64_t chunk_size = std::min(fetch_size, partition_size - offset); |
| if (fb->FetchToFd(partition, fd, offset, chunk_size) != fastboot::RetCode::SUCCESS) { |
| die("Unable to fetch %s (offset=%" PRIx64 ", size=%" PRIx64 ")", partition.c_str(), |
| offset, chunk_size); |
| } |
| offset += chunk_size; |
| } |
| return partition_size; |
| } |
| |
| static void do_fetch(const std::string& partition, const std::string& slot_override, |
| const std::string& outfile, fastboot::IFastBootDriver* fb) { |
| unique_fd fd(TEMP_FAILURE_RETRY( |
| open(outfile.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC | O_BINARY, 0644))); |
| auto fetch = std::bind(fetch_partition, _1, borrowed_fd(fd), fb); |
| do_for_partitions(partition, slot_override, fetch, false /* force slot */); |
| } |
| |
| // Return immediately if not flashing a vendor boot image. If flashing a vendor boot image, |
| // repack vendor_boot image with an updated ramdisk. After execution, buf is set |
| // to the new image to flash, and return value is the real partition name to flash. |
| static std::string repack_ramdisk(const char* pname, struct fastboot_buffer* buf, |
| fastboot::IFastBootDriver* fb) { |
| std::string_view pname_sv{pname}; |
| |
| if (!android::base::StartsWith(pname_sv, "vendor_boot:") && |
| !android::base::StartsWith(pname_sv, "vendor_boot_a:") && |
| !android::base::StartsWith(pname_sv, "vendor_boot_b:")) { |
| return std::string(pname_sv); |
| } |
| if (buf->type != FB_BUFFER_FD) { |
| die("Flashing sparse vendor ramdisk image is not supported."); |
| } |
| if (buf->sz <= 0) { |
| die("repack_ramdisk() sees negative size: %" PRId64, buf->sz); |
| } |
| std::string partition(pname_sv.substr(0, pname_sv.find(':'))); |
| std::string ramdisk(pname_sv.substr(pname_sv.find(':') + 1)); |
| |
| unique_fd vendor_boot(make_temporary_fd("vendor boot repack")); |
| uint64_t vendor_boot_size = fetch_partition(partition, vendor_boot, fb); |
| auto repack_res = replace_vendor_ramdisk(vendor_boot, vendor_boot_size, ramdisk, buf->fd, |
| static_cast<uint64_t>(buf->sz)); |
| if (!repack_res.ok()) { |
| die("%s", repack_res.error().message().c_str()); |
| } |
| |
| buf->fd = std::move(vendor_boot); |
| buf->sz = vendor_boot_size; |
| buf->image_size = vendor_boot_size; |
| return partition; |
| } |
| |
| void do_flash(const char* pname, const char* fname, const bool apply_vbmeta, |
| const FlashingPlan* fp) { |
| if (!fp) { |
| die("do flash was called without a valid flashing plan"); |
| } |
| verbose("Do flash %s %s", pname, fname); |
| struct fastboot_buffer buf; |
| |
| if (fp->source) { |
| unique_fd fd = fp->source->OpenFile(fname); |
| if (fd < 0 || !load_buf_fd(std::move(fd), &buf, fp)) { |
| die("could not load '%s': %s", fname, strerror(errno)); |
| } |
| std::vector<char> signature_data; |
| std::string file_string(fname); |
| if (fp->source->ReadFile(file_string.substr(0, file_string.find('.')) + ".sig", |
| &signature_data)) { |
| fb->Download("signature", signature_data); |
| fb->RawCommand("signature", "installing signature"); |
| } |
| } else if (!load_buf(fname, &buf, fp)) { |
| die("cannot load '%s': %s", fname, strerror(errno)); |
| } |
| |
| if (is_logical(pname)) { |
| fb->ResizePartition(pname, std::to_string(buf.image_size)); |
| } |
| std::string flash_pname = repack_ramdisk(pname, &buf, fp->fb); |
| flash_buf(flash_pname, &buf, apply_vbmeta); |
| } |
| |
| // 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(fb)) return; |
| |
| if (slot_override != "") { |
| fb->SetActive(slot_override); |
| } else { |
| std::string current_slot = get_current_slot(); |
| if (current_slot != "") { |
| fb->SetActive(current_slot); |
| } |
| } |
| } |
| |
| bool is_userspace_fastboot() { |
| std::string value; |
| return fb->GetVar("is-userspace", &value) == fastboot::SUCCESS && value == "yes"; |
| } |
| |
| void reboot_to_userspace_fastboot() { |
| fb->RebootTo("fastboot"); |
| fb->set_transport(nullptr); |
| |
| // Give the current connection time to close. |
| std::this_thread::sleep_for(std::chrono::seconds(1)); |
| |
| fb->set_transport(open_device()); |
| |
| if (!is_userspace_fastboot()) { |
| die("Failed to boot into userspace fastboot; one or more components might be unbootable."); |
| } |
| |
| // Reset target_sparse_limit after reboot to userspace fastboot. Max |
| // download sizes may differ in bootloader and fastbootd. |
| target_sparse_limit = -1; |
| } |
| |
| static void CancelSnapshotIfNeeded() { |
| std::string merge_status = "none"; |
| if (fb->GetVar(FB_VAR_SNAPSHOT_UPDATE_STATUS, &merge_status) == fastboot::SUCCESS && |
| !merge_status.empty() && merge_status != "none") { |
| fb->SnapshotUpdateCommand("cancel"); |
| } |
| } |
| |
| std::string GetPartitionName(const ImageEntry& entry, const std::string& current_slot) { |
| auto slot = entry.second; |
| if (slot.empty()) { |
| slot = current_slot; |
| } |
| if (slot.empty()) { |
| return entry.first->part_name; |
| } |
| if (slot == "all") { |
| LOG(FATAL) << "Cannot retrieve a singular name when using all slots"; |
| } |
| return entry.first->part_name + "_" + slot; |
| } |
| |
| std::unique_ptr<FlashTask> ParseFlashCommand(const FlashingPlan* fp, |
| const std::vector<std::string>& parts) { |
| bool apply_vbmeta = false; |
| std::string slot = fp->slot_override; |
| std::string partition; |
| std::string img_name; |
| for (auto& part : parts) { |
| if (part == "--apply-vbmeta") { |
| apply_vbmeta = true; |
| } else if (part == "--slot-other") { |
| slot = fp->secondary_slot; |
| } else if (partition.empty()) { |
| partition = part; |
| } else if (img_name.empty()) { |
| img_name = part; |
| } else { |
| LOG(ERROR) << "unknown argument" << part |
| << " in fastboot-info.txt. parts: " << android::base::Join(parts, " "); |
| return nullptr; |
| } |
| } |
| if (partition.empty()) { |
| LOG(ERROR) << "partition name not found when parsing fastboot-info.txt. parts: " |
| << android::base::Join(parts, " "); |
| return nullptr; |
| } |
| if (img_name.empty()) { |
| img_name = partition + ".img"; |
| } |
| return std::make_unique<FlashTask>(slot, partition, img_name, apply_vbmeta, fp); |
| } |
| |
| std::unique_ptr<RebootTask> ParseRebootCommand(const FlashingPlan* fp, |
| const std::vector<std::string>& parts) { |
| if (parts.empty()) return std::make_unique<RebootTask>(fp); |
| if (parts.size() > 1) { |
| LOG(ERROR) << "unknown arguments in reboot {target} in fastboot-info.txt: " |
| << android::base::Join(parts, " "); |
| return nullptr; |
| } |
| return std::make_unique<RebootTask>(fp, parts[0]); |
| } |
| |
| std::unique_ptr<WipeTask> ParseWipeCommand(const FlashingPlan* fp, |
| const std::vector<std::string>& parts) { |
| if (parts.size() != 1) { |
| LOG(ERROR) << "unknown arguments in erase {partition} in fastboot-info.txt: " |
| << android::base::Join(parts, " "); |
| return nullptr; |
| } |
| return std::make_unique<WipeTask>(fp, parts[0]); |
| } |
| |
| std::unique_ptr<Task> ParseFastbootInfoLine(const FlashingPlan* fp, |
| const std::vector<std::string>& command) { |
| if (command.size() == 0) { |
| return nullptr; |
| } |
| std::unique_ptr<Task> task; |
| |
| if (command[0] == "flash") { |
| task = ParseFlashCommand(fp, std::vector<std::string>{command.begin() + 1, command.end()}); |
| } else if (command[0] == "reboot") { |
| task = ParseRebootCommand(fp, std::vector<std::string>{command.begin() + 1, command.end()}); |
| } else if (command[0] == "update-super" && command.size() == 1) { |
| task = std::make_unique<UpdateSuperTask>(fp); |
| } else if (command[0] == "erase" && command.size() == 2) { |
| task = ParseWipeCommand(fp, std::vector<std::string>{command.begin() + 1, command.end()}); |
| } |
| if (!task) { |
| LOG(ERROR) << "unknown command parsing fastboot-info.txt line: " |
| << android::base::Join(command, " "); |
| } |
| return task; |
| } |
| |
| bool AddResizeTasks(const FlashingPlan* fp, std::vector<std::unique_ptr<Task>>* tasks) { |
| // expands "resize-partitions" into individual commands : resize {os_partition_1}, resize |
| // {os_partition_2}, etc. |
| std::vector<std::unique_ptr<Task>> resize_tasks; |
| std::optional<size_t> loc; |
| std::vector<char> contents; |
| if (!fp->source->ReadFile("super_empty.img", &contents)) { |
| return false; |
| } |
| auto metadata = android::fs_mgr::ReadFromImageBlob(contents.data(), contents.size()); |
| if (!metadata) { |
| return false; |
| } |
| for (size_t i = 0; i < tasks->size(); i++) { |
| if (auto flash_task = tasks->at(i)->AsFlashTask()) { |
| if (FlashTask::IsDynamicParitition(fp->source, flash_task)) { |
| if (!loc) { |
| loc = i; |
| } |
| resize_tasks.emplace_back(std::make_unique<ResizeTask>( |
| fp, flash_task->GetPartition(), "0", fp->slot_override)); |
| } |
| } |
| } |
| // if no logical partitions (although should never happen since system will always need to be |
| // flashed) |
| if (!loc) { |
| return false; |
| } |
| tasks->insert(tasks->begin() + loc.value(), std::make_move_iterator(resize_tasks.begin()), |
| std::make_move_iterator(resize_tasks.end())); |
| return true; |
| } |
| |
| static bool IsIgnore(const std::vector<std::string>& command) { |
| if (command.size() == 0 || command[0][0] == '#') { |
| return true; |
| } |
| return false; |
| } |
| |
| bool CheckFastbootInfoRequirements(const std::vector<std::string>& command, |
| uint32_t host_tool_version) { |
| if (command.size() != 2) { |
| LOG(ERROR) << "unknown characters in version info in fastboot-info.txt -> " |
| << android::base::Join(command, " "); |
| return false; |
| } |
| if (command[0] != "version") { |
| LOG(ERROR) << "unknown characters in version info in fastboot-info.txt -> " |
| << android::base::Join(command, " "); |
| return false; |
| } |
| |
| uint32_t fastboot_info_version; |
| if (!android::base::ParseUint(command[1], &fastboot_info_version)) { |
| LOG(ERROR) << "version number contains non-numeric characters in fastboot-info.txt -> " |
| << android::base::Join(command, " "); |
| return false; |
| } |
| |
| LOG(VERBOSE) << "Checking 'fastboot-info.txt version'"; |
| if (fastboot_info_version <= host_tool_version) { |
| return true; |
| } |
| |
| LOG(ERROR) << "fasboot-info.txt version: " << command[1] |
| << " not compatible with host tool version --> " << host_tool_version; |
| return false; |
| } |
| |
| std::vector<std::unique_ptr<Task>> ParseFastbootInfo(const FlashingPlan* fp, |
| const std::vector<std::string>& file) { |
| std::vector<std::unique_ptr<Task>> tasks; |
| // Get os_partitions that need to be resized |
| for (auto& text : file) { |
| std::vector<std::string> command = android::base::Tokenize(text, " "); |
| if (IsIgnore(command)) { |
| continue; |
| } |
| if (command.size() > 1 && command[0] == "version") { |
| if (!CheckFastbootInfoRequirements(command, FASTBOOT_INFO_VERSION)) { |
| return {}; |
| } |
| continue; |
| } else if (command.size() >= 2 && command[0] == "if-wipe") { |
| if (!fp->wants_wipe) { |
| continue; |
| } |
| command.erase(command.begin()); |
| } |
| auto task = ParseFastbootInfoLine(fp, command); |
| if (!task) { |
| return {}; |
| } |
| tasks.emplace_back(std::move(task)); |
| } |
| |
| if (auto flash_super_task = OptimizedFlashSuperTask::Initialize(fp, tasks)) { |
| tasks.emplace_back(std::move(flash_super_task)); |
| } else { |
| if (!AddResizeTasks(fp, &tasks)) { |
| LOG(WARNING) << "Failed to add resize tasks"; |
| } |
| } |
| |
| return tasks; |
| } |
| |
| FlashAllTool::FlashAllTool(FlashingPlan* fp) : fp_(fp) {} |
| |
| void FlashAllTool::Flash() { |
| DumpInfo(); |
| CheckRequirements(); |
| |
| // Change the slot first, so we boot into the correct recovery image when |
| // using fastbootd. |
| if (fp_->slot_override == "all") { |
| set_active("a"); |
| } else { |
| set_active(fp_->slot_override); |
| } |
| |
| DetermineSlot(); |
| |
| CancelSnapshotIfNeeded(); |
| |
| tasks_ = CollectTasks(); |
| |
| for (auto& task : tasks_) { |
| task->Run(); |
| } |
| return; |
| } |
| |
| std::vector<std::unique_ptr<Task>> FlashAllTool::CollectTasks() { |
| std::vector<std::unique_ptr<Task>> tasks; |
| if (fp_->should_use_fastboot_info) { |
| tasks = CollectTasksFromFastbootInfo(); |
| |
| } else { |
| tasks = CollectTasksFromImageList(); |
| } |
| if (fp_->exclude_dynamic_partitions) { |
| auto is_non_static_flash_task = [](const auto& task) -> bool { |
| if (auto flash_task = task->AsFlashTask()) { |
| if (!should_flash_in_userspace(flash_task->GetPartitionAndSlot())) { |
| return false; |
| } |
| } |
| return true; |
| }; |
| tasks.erase(std::remove_if(tasks.begin(), tasks.end(), is_non_static_flash_task), |
| tasks.end()); |
| } |
| return tasks; |
| } |
| |
| void FlashAllTool::CheckRequirements() { |
| std::vector<char> contents; |
| if (!fp_->source->ReadFile("android-info.txt", &contents)) { |
| die("could not read android-info.txt"); |
| } |
| ::CheckRequirements({contents.data(), contents.size()}, fp_->force_flash); |
| } |
| |
| void FlashAllTool::DetermineSlot() { |
| if (fp_->slot_override.empty()) { |
| fp_->current_slot = get_current_slot(); |
| } else { |
| fp_->current_slot = fp_->slot_override; |
| } |
| |
| if (fp_->skip_secondary) { |
| return; |
| } |
| if (fp_->slot_override != "" && fp_->slot_override != "all") { |
| fp_->secondary_slot = get_other_slot(fp_->slot_override); |
| } else { |
| fp_->secondary_slot = get_other_slot(); |
| } |
| if (fp_->secondary_slot == "") { |
| if (supports_AB(fb)) { |
| fprintf(stderr, "Warning: Could not determine slot for secondary images. Ignoring.\n"); |
| } |
| fp_->skip_secondary = true; |
| } |
| } |
| |
| void FlashAllTool::CollectImages() { |
| for (size_t i = 0; i < images.size(); ++i) { |
| std::string slot = fp_->slot_override; |
| if (images[i].IsSecondary()) { |
| if (fp_->skip_secondary) { |
| continue; |
| } |
| slot = fp_->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); |
| } |
| } |
| } |
| |
| std::vector<std::unique_ptr<Task>> FlashAllTool::CollectTasksFromImageList() { |
| CollectImages(); |
| // First flash boot partitions. We allow this to happen either in userspace |
| // or in bootloader fastboot. |
| std::vector<std::unique_ptr<Task>> tasks; |
| AddFlashTasks(boot_images_, tasks); |
| |
| // Sync the super partition. This will reboot to userspace fastboot if needed. |
| tasks.emplace_back(std::make_unique<UpdateSuperTask>(fp_)); |
| for (const auto& [image, slot] : os_images_) { |
| // 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(fp_->fb)) { |
| std::string partition_name = image->part_name + "_"s + slot; |
| if (image->IsSecondary() && should_flash_in_userspace(partition_name)) { |
| fp_->fb->DeletePartition(partition_name); |
| } |
| tasks.emplace_back(std::make_unique<DeleteTask>(fp_, partition_name)); |
| } |
| } |
| |
| AddFlashTasks(os_images_, tasks); |
| |
| if (auto flash_super_task = OptimizedFlashSuperTask::Initialize(fp_, tasks)) { |
| tasks.emplace_back(std::move(flash_super_task)); |
| } else { |
| // Resize any logical partition to 0, so each partition is reset to 0 |
| // extents, and will achieve more optimal allocation. |
| if (!AddResizeTasks(fp_, &tasks)) { |
| LOG(WARNING) << "Failed to add resize tasks"; |
| } |
| } |
| |
| return tasks; |
| } |
| |
| std::vector<std::unique_ptr<Task>> FlashAllTool::CollectTasksFromFastbootInfo() { |
| std::vector<std::unique_ptr<Task>> tasks; |
| std::vector<char> contents; |
| if (!fp_->source->ReadFile("fastboot-info.txt", &contents)) { |
| LOG(VERBOSE) << "Flashing from hardcoded images. fastboot-info.txt is empty or does not " |
| "exist"; |
| return CollectTasksFromImageList(); |
| } |
| tasks = ParseFastbootInfo(fp_, Split({contents.data(), contents.size()}, "\n")); |
| return tasks; |
| } |
| |
| void FlashAllTool::AddFlashTasks(const std::vector<std::pair<const Image*, std::string>>& images, |
| std::vector<std::unique_ptr<Task>>& tasks) { |
| for (const auto& [image, slot] : images) { |
| fastboot_buffer buf; |
| unique_fd fd = fp_->source->OpenFile(image->img_name); |
| if (fd < 0 || !load_buf_fd(std::move(fd), &buf, fp_)) { |
| if (image->optional_if_no_image) { |
| continue; |
| } |
| die("could not load '%s': %s", image->img_name.c_str(), strerror(errno)); |
| } |
| tasks.emplace_back(std::make_unique<FlashTask>(slot, image->part_name, image->img_name, |
| is_vbmeta_partition(image->part_name), fp_)); |
| } |
| } |
| |
| bool ZipImageSource::ReadFile(const std::string& name, std::vector<char>* out) const { |
| return UnzipToMemory(zip_, name, out); |
| } |
| |
| unique_fd ZipImageSource::OpenFile(const std::string& name) const { |
| return UnzipToFile(zip_, name.c_str()); |
| } |
| |
| static void do_update(const char* filename, FlashingPlan* fp) { |
| ZipArchiveHandle zip; |
| int error = OpenArchive(filename, &zip); |
| if (error != 0) { |
| die("failed to open zip file '%s': %s", filename, ErrorCodeString(error)); |
| } |
| ZipImageSource zp = ZipImageSource(zip); |
| fp->source = &zp; |
| FlashAllTool tool(fp); |
| tool.Flash(); |
| |
| CloseArchive(zip); |
| } |
| |
| 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); |
| } |
| |
| unique_fd LocalImageSource::OpenFile(const std::string& name) const { |
| auto path = find_item_given_name(name); |
| return unique_fd(TEMP_FAILURE_RETRY(open(path.c_str(), O_RDONLY | O_BINARY))); |
| } |
| |
| static void do_flashall(FlashingPlan* fp) { |
| LocalImageSource s = LocalImageSource(); |
| fp->source = &s; |
| FlashAllTool tool(fp); |
| 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 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; |
| } |
| |
| void fb_perform_format(const std::string& partition, int skip_if_not_supported, |
| const std::string& type_override, const std::string& size_override, |
| const unsigned fs_options, const FlashingPlan* fp) { |
| 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 (fp->sparse_limit > 0 && fp->sparse_limit < limit) { |
| limit = fp->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, eraseBlkSize, logicalBlkSize, fs_options)) { |
| 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(std::move(fd), &buf, fp)) { |
| die("Cannot read image: %s", strerror(errno)); |
| } |
| flash_buf(partition, &buf, is_vbmeta_partition(partition)); |
| 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"); |
| } |
| } |
| |
| 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; |
| } |
| return should_flash_in_userspace(*metadata.get(), partition_name); |
| } |
| |
| static bool wipe_super(const android::fs_mgr::LpMetadata& metadata, const std::string& slot, |
| std::string* message, const FlashingPlan* fp) { |
| auto super_device = GetMetadataSuperBlockDevice(metadata); |
| auto block_size = metadata.geometry.logical_block_size; |
| auto super_bdev_name = android::fs_mgr::GetBlockDevicePartitionName(*super_device); |
| |
| if (super_bdev_name != "super") { |
| // retrofit devices do not allow flashing to the retrofit partitions, |
| // so enable it if we can. |
| fb->RawCommand("oem allow-flash-super"); |
| } |
| |
| // Note: do not use die() in here, since we want TemporaryDir's destructor |
| // to be called. |
| TemporaryDir temp_dir; |
| |
| bool ok; |
| if (metadata.block_devices.size() > 1) { |
| ok = WriteSplitImageFiles(temp_dir.path, metadata, block_size, {}, true); |
| } else { |
| auto image_path = temp_dir.path + "/"s + super_bdev_name + ".img"; |
| ok = WriteToImageFile(image_path, metadata, block_size, {}, true); |
| } |
| if (!ok) { |
| *message = "Could not generate a flashable super image file"; |
| return false; |
| } |
| |
| for (const auto& block_device : metadata.block_devices) { |
| auto partition = android::fs_mgr::GetBlockDevicePartitionName(block_device); |
| bool force_slot = !!(block_device.flags & LP_BLOCK_DEVICE_SLOT_SUFFIXED); |
| |
| std::string image_name; |
| if (metadata.block_devices.size() > 1) { |
| image_name = "super_" + partition + ".img"; |
| } else { |
| image_name = partition + ".img"; |
| } |
| |
| auto image_path = temp_dir.path + "/"s + image_name; |
| auto flash = [&](const std::string& partition_name) { |
| do_flash(partition_name.c_str(), image_path.c_str(), false, fp); |
| }; |
| do_for_partitions(partition, slot, flash, force_slot); |
| |
| unlink(image_path.c_str()); |
| } |
| return true; |
| } |
| |
| static void do_wipe_super(const std::string& image, const std::string& slot_override, |
| const FlashingPlan* fp) { |
| if (access(image.c_str(), R_OK) != 0) { |
| die("Could not read image: %s", image.c_str()); |
| } |
| auto metadata = android::fs_mgr::ReadFromImageFile(image); |
| if (!metadata) { |
| die("Could not parse image: %s", image.c_str()); |
| } |
| |
| auto slot = slot_override; |
| if (slot.empty()) { |
| slot = get_current_slot(); |
| } |
| |
| std::string message; |
| if (!wipe_super(*metadata.get(), slot, &message, fp)) { |
| die(message); |
| } |
| } |
| |
| static void FastbootLogger(android::base::LogId /* id */, android::base::LogSeverity severity, |
| const char* /* tag */, const char* /* file */, unsigned int /* line */, |
| const char* message) { |
| switch (severity) { |
| case android::base::INFO: |
| fprintf(stdout, "%s\n", message); |
| break; |
| case android::base::ERROR: |
| fprintf(stderr, "%s\n", message); |
| break; |
| default: |
| verbose("%s\n", message); |
| } |
| } |
| |
| static void FastbootAborter(const char* message) { |
| die("%s", message); |
| } |
| |
| int FastBootTool::Main(int argc, char* argv[]) { |
| android::base::InitLogging(argv, FastbootLogger, FastbootAborter); |
| std::unique_ptr<FlashingPlan> fp = std::make_unique<FlashingPlan>(); |
| |
| int longindex; |
| 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}, |
| {"disable-super-optimization", no_argument, 0, 0}, |
| {"exclude-dynamic-partitions", no_argument, 0, 0}, |
| {"disable-fastboot-info", no_argument, 0, 0}, |
| {"force", no_argument, 0, 0}, |
| {"fs-options", required_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}, |
| {0, 0, 0, 0}}; |
| |
| serial = getenv("FASTBOOT_DEVICE"); |
| if (!serial) { |
| 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 == "disable-super-optimization") { |
| fp->should_optimize_flash_super = false; |
| } else if (name == "exclude-dynamic-partitions") { |
| fp->exclude_dynamic_partitions = true; |
| fp->should_optimize_flash_super = false; |
| } else if (name == "disable-fastboot-info") { |
| fp->should_use_fastboot_info = false; |
| } else if (name == "force") { |
| fp->force_flash = true; |
| } else if (name == "fs-options") { |
| fp->fs_options = ParseFsOption(optarg); |
| } 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") { |
| fp->skip_reboot = true; |
| } else if (name == "skip-secondary") { |
| fp->skip_secondary = true; |
| } else if (name == "slot") { |
| fp->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; |
| } else { |
| die("unknown option %s", longopts[longindex].name); |
| } |
| } else { |
| switch (c) { |
| case 'a': |
| fp->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, &fp->sparse_limit)) { |
| die("invalid sparse limit %s", optarg); |
| } |
| break; |
| case 'v': |
| set_verbose(); |
| break; |
| case 'w': |
| fp->wants_wipe = true; |
| break; |
| case '?': |
| return 1; |
| default: |
| abort(); |
| } |
| } |
| } |
| |
| argc -= optind; |
| argv += optind; |
| |
| if (argc == 0 && !fp->wants_wipe && !fp->wants_set_active) syntax_error("no command"); |
| |
| if (argc > 0 && !strcmp(*argv, "devices")) { |
| list_devices(); |
| return 0; |
| } |
| |
| if (argc > 0 && !strcmp(*argv, "connect")) { |
| argc -= optind; |
| argv += optind; |
| return Connect(argc, argv); |
| } |
| |
| if (argc > 0 && !strcmp(*argv, "disconnect")) { |
| argc -= optind; |
| argv += optind; |
| return Disconnect(argc, argv); |
| } |
| |
| if (argc > 0 && !strcmp(*argv, "help")) { |
| return show_help(); |
| } |
| |
| std::unique_ptr<Transport> transport = open_device(); |
| if (!transport) { |
| return 1; |
| } |
| fastboot::DriverCallbacks driver_callbacks = { |
| .prolog = Status, |
| .epilog = Epilog, |
| .info = InfoMessage, |
| .text = TextMessage, |
| }; |
| |
| fastboot::FastBootDriver fastboot_driver(std::move(transport), driver_callbacks, false); |
| fb = &fastboot_driver; |
| fp->fb = &fastboot_driver; |
| |
| const double start = now(); |
| |
| if (fp->slot_override != "") fp->slot_override = verify_slot(fp->slot_override); |
| if (next_active != "") next_active = verify_slot(next_active, false); |
| |
| if (fp->wants_set_active) { |
| if (next_active == "") { |
| if (fp->slot_override == "") { |
| std::string current_slot; |
| if (fb->GetVar("current-slot", ¤t_slot) == fastboot::SUCCESS) { |
| if (current_slot[0] == '_') current_slot.erase(0, 1); |
| next_active = verify_slot(current_slot, false); |
| } else { |
| fp->wants_set_active = false; |
| } |
| } else { |
| next_active = verify_slot(fp->slot_override, false); |
| } |
| } |
| } |
| std::vector<std::unique_ptr<Task>> tasks; |
| 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, fp->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, fp->fs_options, |
| fp.get()); |
| }; |
| do_for_partitions(partition, fp->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) { |
| if (args.size() == 1) { |
| std::string reboot_target = next_arg(&args); |
| tasks.emplace_back(std::make_unique<RebootTask>(fp.get(), reboot_target)); |
| } else if (!fp->skip_reboot) { |
| tasks.emplace_back(std::make_unique<RebootTask>(fp.get())); |
| } |
| if (!args.empty()) syntax_error("junk after reboot command"); |
| } else if (command == FB_CMD_REBOOT_BOOTLOADER) { |
| tasks.emplace_back(std::make_unique<RebootTask>(fp.get(), "bootloader")); |
| } else if (command == FB_CMD_REBOOT_RECOVERY) { |
| tasks.emplace_back(std::make_unique<RebootTask>(fp.get(), "recovery")); |
| } else if (command == FB_CMD_REBOOT_FASTBOOT) { |
| tasks.emplace_back(std::make_unique<RebootTask>(fp.get(), "fastboot")); |
| } 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()); |
| |
| FlashTask task(fp->slot_override, pname, fname, is_vbmeta_partition(pname), fp.get()); |
| task.Run(); |
| } 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, fp->slot_override, flashraw, true); |
| } else if (command == "flashall") { |
| if (fp->slot_override == "all") { |
| fprintf(stderr, |
| "Warning: slot set to 'all'. Secondary slots will not be flashed.\n"); |
| fp->skip_secondary = true; |
| } |
| do_flashall(fp.get()); |
| |
| if (!fp->skip_reboot) { |
| tasks.emplace_back(std::make_unique<RebootTask>(fp.get())); |
| } |
| } else if (command == "update") { |
| bool slot_all = (fp->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(), fp.get()); |
| if (!fp->skip_reboot) { |
| tasks.emplace_back(std::make_unique<RebootTask>(fp.get())); |
| } |
| } 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, fp.get()) || buf.type != FB_BUFFER_FD) { |
| die("cannot load '%s'", filename.c_str()); |
| } |
| fb->Download(filename, buf.fd.get(), 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); |
| tasks.emplace_back(std::make_unique<DeleteTask>(fp.get(), partition)); |
| } else if (command == FB_CMD_RESIZE_PARTITION) { |
| std::string partition = next_arg(&args); |
| std::string size = next_arg(&args); |
| std::unique_ptr<ResizeTask> resize_task = |
| std::make_unique<ResizeTask>(fp.get(), partition, size, fp->slot_override); |
| resize_task->Run(); |
| } else if (command == "gsi") { |
| if (args.empty()) syntax_error("invalid gsi command"); |
| std::string cmd("gsi"); |
| while (!args.empty()) { |
| cmd += ":" + next_arg(&args); |
| } |
| fb->RawCommand(cmd, ""); |
| } else if (command == "wipe-super") { |
| std::string image; |
| if (args.empty()) { |
| image = find_item_given_name("super_empty.img"); |
| } else { |
| image = next_arg(&args); |
| } |
| do_wipe_super(image, fp->slot_override, fp.get()); |
| } else if (command == "snapshot-update") { |
| std::string arg; |
| if (!args.empty()) { |
| arg = next_arg(&args); |
| } |
| if (!arg.empty() && (arg != "cancel" && arg != "merge")) { |
| syntax_error("expected: snapshot-update [cancel|merge]"); |
| } |
| fb->SnapshotUpdateCommand(arg); |
| } else if (command == FB_CMD_FETCH) { |
| std::string partition = next_arg(&args); |
| std::string outfile = next_arg(&args); |
| do_fetch(partition, fp->slot_override, outfile, fp->fb); |
| } else { |
| syntax_error("unknown command %s", command.c_str()); |
| } |
| } |
| |