5d3edb1422
* changes: fastbootd: Support flashall with logical partitions. fastboot: Use _WIN32 instead of WIN32.
1840 lines
64 KiB
C++
1840 lines
64 KiB
C++
/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <inttypes.h>
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#include <limits.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <chrono>
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#include <functional>
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#include <thread>
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#include <utility>
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#include <vector>
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#include <android-base/file.h>
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#include <android-base/macros.h>
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#include <android-base/parseint.h>
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#include <android-base/parsenetaddress.h>
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#include <android-base/stringprintf.h>
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#include <android-base/strings.h>
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#include <android-base/test_utils.h>
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#include <android-base/unique_fd.h>
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#include <sparse/sparse.h>
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#include <ziparchive/zip_archive.h>
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#include "bootimg_utils.h"
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#include "diagnose_usb.h"
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#include "engine.h"
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#include "fs.h"
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#include "tcp.h"
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#include "transport.h"
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#include "udp.h"
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#include "usb.h"
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using android::base::unique_fd;
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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char cur_product[FB_RESPONSE_SZ + 1];
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static const char* serial = nullptr;
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static bool g_long_listing = false;
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// Don't resparse files in too-big chunks.
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// libsparse will support INT_MAX, but this results in large allocations, so
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// let's keep it at 1GB to avoid memory pressure on the host.
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static constexpr int64_t RESPARSE_LIMIT = 1 * 1024 * 1024 * 1024;
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static uint64_t sparse_limit = 0;
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static int64_t target_sparse_limit = -1;
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static unsigned g_base_addr = 0x10000000;
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static boot_img_hdr_v1 g_boot_img_hdr = {};
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static std::string g_cmdline;
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static bool g_disable_verity = false;
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static bool g_disable_verification = false;
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static const std::string convert_fbe_marker_filename("convert_fbe");
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enum fb_buffer_type {
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FB_BUFFER_FD,
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FB_BUFFER_SPARSE,
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};
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struct fastboot_buffer {
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enum fb_buffer_type type;
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void* data;
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int64_t sz;
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int fd;
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int64_t image_size;
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};
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struct Image {
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const char* nickname;
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const char* img_name;
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const char* sig_name;
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const char* part_name;
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bool optional_if_no_image;
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bool optional_if_no_partition;
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bool IsSecondary() const { return nickname == nullptr; }
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};
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static Image images[] = {
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// clang-format off
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{ "boot", "boot.img", "boot.sig", "boot", false, false },
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{ nullptr, "boot_other.img", "boot.sig", "boot", true, false },
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{ "dtbo", "dtbo.img", "dtbo.sig", "dtbo", true, false },
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{ "dts", "dt.img", "dt.sig", "dts", true, false },
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{ "odm", "odm.img", "odm.sig", "odm", true, false },
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{ "product", "product.img", "product.sig", "product", true, false },
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{ "product_services",
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"product_services.img",
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"product_services.sig",
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"product_services",
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true, true },
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{ "recovery", "recovery.img", "recovery.sig", "recovery", true, false },
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{ "system", "system.img", "system.sig", "system", false, true },
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{ nullptr, "system_other.img", "system.sig", "system", true, false },
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{ "vbmeta", "vbmeta.img", "vbmeta.sig", "vbmeta", true, false },
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{ "vendor", "vendor.img", "vendor.sig", "vendor", true, true },
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{ nullptr, "vendor_other.img", "vendor.sig", "vendor", true, false },
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// clang-format on
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};
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static std::string find_item_given_name(const char* img_name) {
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char* dir = getenv("ANDROID_PRODUCT_OUT");
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if (dir == nullptr || dir[0] == '\0') {
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die("ANDROID_PRODUCT_OUT not set");
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}
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return android::base::StringPrintf("%s/%s", dir, img_name);
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}
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static std::string find_item(const std::string& item) {
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for (size_t i = 0; i < arraysize(images); ++i) {
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if (images[i].nickname && item == images[i].nickname) {
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return find_item_given_name(images[i].img_name);
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}
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}
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if (item == "userdata") return find_item_given_name("userdata.img");
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if (item == "cache") return find_item_given_name("cache.img");
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fprintf(stderr, "unknown partition '%s'\n", item.c_str());
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return "";
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}
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static int64_t get_file_size(int fd) {
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struct stat sb;
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return fstat(fd, &sb) == -1 ? -1 : sb.st_size;
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}
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static void* load_fd(int fd, int64_t* sz) {
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int errno_tmp;
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char* data = nullptr;
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*sz = get_file_size(fd);
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if (*sz < 0) {
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goto oops;
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}
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data = (char*) malloc(*sz);
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if (data == nullptr) goto oops;
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if(read(fd, data, *sz) != *sz) goto oops;
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close(fd);
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return data;
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oops:
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errno_tmp = errno;
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close(fd);
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if(data != 0) free(data);
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errno = errno_tmp;
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return 0;
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}
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static void* load_file(const std::string& path, int64_t* sz) {
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int fd = open(path.c_str(), O_RDONLY | O_BINARY);
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if (fd == -1) return nullptr;
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return load_fd(fd, sz);
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}
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static int match_fastboot_with_serial(usb_ifc_info* info, const char* local_serial) {
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if (info->ifc_class != 0xff || info->ifc_subclass != 0x42 || info->ifc_protocol != 0x03) {
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return -1;
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}
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// require matching serial number or device path if requested
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// at the command line with the -s option.
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if (local_serial && (strcmp(local_serial, info->serial_number) != 0 &&
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strcmp(local_serial, info->device_path) != 0)) return -1;
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return 0;
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}
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static int match_fastboot(usb_ifc_info* info) {
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return match_fastboot_with_serial(info, serial);
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}
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static int list_devices_callback(usb_ifc_info* info) {
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if (match_fastboot_with_serial(info, nullptr) == 0) {
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std::string serial = info->serial_number;
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if (!info->writable) {
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serial = UsbNoPermissionsShortHelpText();
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}
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if (!serial[0]) {
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serial = "????????????";
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}
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// output compatible with "adb devices"
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if (!g_long_listing) {
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printf("%s\tfastboot", serial.c_str());
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} else {
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printf("%-22s fastboot", serial.c_str());
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if (strlen(info->device_path) > 0) printf(" %s", info->device_path);
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}
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putchar('\n');
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}
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return -1;
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}
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// Opens a new Transport connected to a device. If |serial| is non-null it will be used to identify
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// a specific device, otherwise the first USB device found will be used.
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//
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// If |serial| is non-null but invalid, this exits.
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// Otherwise it blocks until the target is available.
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//
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// The returned Transport is a singleton, so multiple calls to this function will return the same
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// object, and the caller should not attempt to delete the returned Transport.
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static Transport* open_device() {
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static Transport* transport = nullptr;
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bool announce = true;
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if (transport != nullptr) {
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return transport;
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}
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Socket::Protocol protocol = Socket::Protocol::kTcp;
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std::string host;
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int port = 0;
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if (serial != nullptr) {
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const char* net_address = nullptr;
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if (android::base::StartsWith(serial, "tcp:")) {
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protocol = Socket::Protocol::kTcp;
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port = tcp::kDefaultPort;
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net_address = serial + strlen("tcp:");
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} else if (android::base::StartsWith(serial, "udp:")) {
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protocol = Socket::Protocol::kUdp;
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port = udp::kDefaultPort;
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net_address = serial + strlen("udp:");
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}
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if (net_address != nullptr) {
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std::string error;
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if (!android::base::ParseNetAddress(net_address, &host, &port, nullptr, &error)) {
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die("invalid network address '%s': %s\n", net_address, error.c_str());
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}
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}
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}
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while (true) {
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if (!host.empty()) {
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std::string error;
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if (protocol == Socket::Protocol::kTcp) {
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transport = tcp::Connect(host, port, &error).release();
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} else if (protocol == Socket::Protocol::kUdp) {
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transport = udp::Connect(host, port, &error).release();
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}
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if (transport == nullptr && announce) {
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fprintf(stderr, "error: %s\n", error.c_str());
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}
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} else {
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transport = usb_open(match_fastboot);
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}
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if (transport != nullptr) {
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return transport;
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}
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if (announce) {
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announce = false;
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fprintf(stderr, "< waiting for %s >\n", serial ? serial : "any device");
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}
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std::this_thread::sleep_for(std::chrono::milliseconds(1));
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}
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}
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static void list_devices() {
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// We don't actually open a USB device here,
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// just getting our callback called so we can
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// list all the connected devices.
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usb_open(list_devices_callback);
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}
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static void syntax_error(const char* fmt, ...) {
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fprintf(stderr, "fastboot: usage: ");
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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fprintf(stderr, "\n");
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exit(1);
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}
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static int show_help() {
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// clang-format off
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fprintf(stdout,
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// 1 2 3 4 5 6 7 8
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// 12345678901234567890123456789012345678901234567890123456789012345678901234567890
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"usage: fastboot [OPTION...] COMMAND...\n"
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"\n"
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"flashing:\n"
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" update ZIP Flash all partitions from an update.zip package.\n"
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" flashall Flash all partitions from $ANDROID_PRODUCT_OUT.\n"
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" On A/B devices, flashed slot is set as active.\n"
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" Secondary images may be flashed to inactive slot.\n"
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" flash PARTITION [FILENAME] Flash given partition, using the image from\n"
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" $ANDROID_PRODUCT_OUT if no filename is given.\n"
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"\n"
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"basics:\n"
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" devices [-l] List devices in bootloader (-l: with device paths).\n"
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" getvar NAME Display given bootloader variable.\n"
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" reboot [bootloader] Reboot device.\n"
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"\n"
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"locking/unlocking:\n"
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" flashing lock|unlock Lock/unlock partitions for flashing\n"
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" flashing lock_critical|unlock_critical\n"
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" Lock/unlock 'critical' bootloader partitions.\n"
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" flashing get_unlock_ability\n"
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" Check whether unlocking is allowed (1) or not(0).\n"
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"\n"
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"advanced:\n"
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" erase PARTITION Erase a flash partition.\n"
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" format[:FS_TYPE[:SIZE]] PARTITION\n"
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" Format a flash partition.\n"
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" set_active SLOT Set the active slot.\n"
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" oem [COMMAND...] Execute OEM-specific command.\n"
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"\n"
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"boot image:\n"
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" boot KERNEL [RAMDISK [SECOND]]\n"
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" Download and boot kernel from RAM.\n"
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" flash:raw PARTITION KERNEL [RAMDISK [SECOND]]\n"
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" Create boot image and flash it.\n"
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" --cmdline CMDLINE Override kernel command line.\n"
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" --base ADDRESS Set kernel base address (default: 0x10000000).\n"
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" --kernel-offset Set kernel offset (default: 0x00008000).\n"
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" --ramdisk-offset Set ramdisk offset (default: 0x01000000).\n"
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" --tags-offset Set tags offset (default: 0x00000100).\n"
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" --page-size BYTES Set flash page size (default: 2048).\n"
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" --header-version VERSION Set boot image header version.\n"
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" --os-version MAJOR[.MINOR[.PATCH]]\n"
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" Set boot image OS version (default: 0.0.0).\n"
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" --os-patch-level YYYY-MM-DD\n"
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" Set boot image OS security patch level.\n"
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// TODO: still missing: `second_addr`, `name`, `id`, `recovery_dtbo_*`.
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"\n"
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// TODO: what device(s) used this? is there any documentation?
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//" continue Continue with autoboot.\n"
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//"\n"
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"Android Things:\n"
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" stage IN_FILE Sends given file to stage for the next command.\n"
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" get_staged OUT_FILE Writes data staged by the last command to a file.\n"
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"\n"
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"options:\n"
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" -w Wipe userdata.\n"
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" -s SERIAL Specify a USB device.\n"
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" -s tcp|udp:HOST[:PORT] Specify a network device.\n"
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" -S SIZE[K|M|G] Break into sparse files no larger than SIZE.\n"
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" --slot SLOT Use SLOT; 'all' for both slots, 'other' for\n"
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" non-current slot (default: current active slot).\n"
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" --set-active[=SLOT] Sets the active slot before rebooting.\n"
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" --skip-secondary Don't flash secondary slots in flashall/update.\n"
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" --skip-reboot Don't reboot device after flashing.\n"
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" --disable-verity Sets disable-verity when flashing vbmeta.\n"
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" --disable-verification Sets disable-verification when flashing vbmeta.\n"
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#if !defined(_WIN32)
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" --wipe-and-use-fbe Enable file-based encryption, wiping userdata.\n"
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#endif
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// TODO: remove --unbuffered?
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" --unbuffered Don't buffer input or output.\n"
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" --verbose, -v Verbose output.\n"
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" --version Display version.\n"
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" --help, -h Show this message.\n"
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);
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// clang-format off
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return 0;
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}
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static void* load_bootable_image(const std::string& kernel, const std::string& ramdisk,
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const std::string& second_stage, int64_t* sz) {
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int64_t ksize;
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void* kdata = load_file(kernel.c_str(), &ksize);
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if (kdata == nullptr) die("cannot load '%s': %s", kernel.c_str(), strerror(errno));
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// Is this actually a boot image?
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if (ksize < static_cast<int64_t>(sizeof(boot_img_hdr_v1))) {
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die("cannot load '%s': too short", kernel.c_str());
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}
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if (!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
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if (!g_cmdline.empty()) {
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bootimg_set_cmdline(reinterpret_cast<boot_img_hdr_v1*>(kdata), g_cmdline);
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}
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if (!ramdisk.empty()) die("cannot boot a boot.img *and* ramdisk");
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*sz = ksize;
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return kdata;
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}
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void* rdata = nullptr;
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int64_t rsize = 0;
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if (!ramdisk.empty()) {
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rdata = load_file(ramdisk.c_str(), &rsize);
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if (rdata == nullptr) die("cannot load '%s': %s", ramdisk.c_str(), strerror(errno));
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}
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void* sdata = nullptr;
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int64_t ssize = 0;
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if (!second_stage.empty()) {
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sdata = load_file(second_stage.c_str(), &ssize);
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if (sdata == nullptr) die("cannot load '%s': %s", second_stage.c_str(), strerror(errno));
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}
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fprintf(stderr,"creating boot image...\n");
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boot_img_hdr_v1* bdata = mkbootimg(kdata, ksize, rdata, rsize, sdata, ssize,
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g_base_addr, g_boot_img_hdr, sz);
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if (bdata == nullptr) die("failed to create boot.img");
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if (!g_cmdline.empty()) bootimg_set_cmdline(bdata, g_cmdline);
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fprintf(stderr, "creating boot image - %" PRId64 " bytes\n", *sz);
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return bdata;
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}
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|
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static void* unzip_to_memory(ZipArchiveHandle zip, const char* entry_name, int64_t* sz) {
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ZipString zip_entry_name(entry_name);
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ZipEntry zip_entry;
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if (FindEntry(zip, zip_entry_name, &zip_entry) != 0) {
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fprintf(stderr, "archive does not contain '%s'\n", entry_name);
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return nullptr;
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}
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*sz = zip_entry.uncompressed_length;
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fprintf(stderr, "extracting %s (%" PRId64 " MB) to RAM...\n", entry_name, *sz / 1024 / 1024);
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uint8_t* data = reinterpret_cast<uint8_t*>(malloc(zip_entry.uncompressed_length));
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if (data == nullptr) die("failed to allocate %" PRId64 " bytes for '%s'", *sz, entry_name);
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|
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int error = ExtractToMemory(zip, &zip_entry, data, zip_entry.uncompressed_length);
|
|
if (error != 0) die("failed to extract '%s': %s", entry_name, ErrorCodeString(error));
|
|
|
|
return data;
|
|
}
|
|
|
|
#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);
|
|
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 char* strip(char* s) {
|
|
while (*s && isspace(*s)) s++;
|
|
|
|
int n = strlen(s);
|
|
while (n-- > 0) {
|
|
if (!isspace(s[n])) break;
|
|
s[n] = 0;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
#define MAX_OPTIONS 32
|
|
static void check_requirement(char* line) {
|
|
char *val[MAX_OPTIONS];
|
|
unsigned count;
|
|
char *x;
|
|
int invert = 0;
|
|
|
|
// "require product=alpha|beta|gamma"
|
|
// "require version-bootloader=1234"
|
|
// "require-for-product:gamma version-bootloader=istanbul|constantinople"
|
|
// "require partition-exists=vendor"
|
|
|
|
char* name = line;
|
|
const char* product = "";
|
|
if (!strncmp(name, "reject ", 7)) {
|
|
name += 7;
|
|
invert = 1;
|
|
} else if (!strncmp(name, "require ", 8)) {
|
|
name += 8;
|
|
invert = 0;
|
|
} else if (!strncmp(name, "require-for-product:", 20)) {
|
|
// Get the product and point name past it
|
|
product = name + 20;
|
|
name = strchr(name, ' ');
|
|
if (!name) die("android-info.txt syntax error: %s", line);
|
|
*name = 0;
|
|
name += 1;
|
|
invert = 0;
|
|
}
|
|
|
|
x = strchr(name, '=');
|
|
if (x == 0) return;
|
|
*x = 0;
|
|
val[0] = x + 1;
|
|
|
|
name = strip(name);
|
|
|
|
// "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` and 'optional_if_no_partition' in the `images`
|
|
// array.
|
|
if (!strcmp(name, "partition-exists")) {
|
|
const char* partition_name = val[0];
|
|
std::string has_slot;
|
|
if (!fb_getvar(std::string("has-slot:") + partition_name, &has_slot) ||
|
|
(has_slot != "yes" && has_slot != "no")) {
|
|
die("device doesn't have required partition %s!", partition_name);
|
|
}
|
|
bool known_partition = false;
|
|
for (size_t i = 0; i < arraysize(images); ++i) {
|
|
if (images[i].nickname && !strcmp(images[i].nickname, partition_name)) {
|
|
images[i].optional_if_no_image = false;
|
|
images[i].optional_if_no_partition = false;
|
|
known_partition = true;
|
|
}
|
|
}
|
|
if (!known_partition) {
|
|
die("device requires partition %s which is not known to this version of fastboot",
|
|
partition_name);
|
|
}
|
|
return;
|
|
}
|
|
|
|
for(count = 1; count < MAX_OPTIONS; count++) {
|
|
x = strchr(val[count - 1],'|');
|
|
if (x == 0) break;
|
|
*x = 0;
|
|
val[count] = x + 1;
|
|
}
|
|
|
|
// Work around an unfortunate name mismatch.
|
|
const char* var = name;
|
|
if (!strcmp(name, "board")) var = "product";
|
|
|
|
const char** out = reinterpret_cast<const char**>(malloc(sizeof(char*) * count));
|
|
if (out == nullptr) die("out of memory");
|
|
|
|
for (size_t i = 0; i < count; ++i) {
|
|
out[i] = xstrdup(strip(val[i]));
|
|
}
|
|
|
|
fb_queue_require(product, var, invert, count, out);
|
|
}
|
|
|
|
static void check_requirements(char* data, int64_t sz) {
|
|
char* s = data;
|
|
while (sz-- > 0) {
|
|
if (*s == '\n') {
|
|
*s++ = 0;
|
|
check_requirement(data);
|
|
data = s;
|
|
} else {
|
|
s++;
|
|
}
|
|
}
|
|
if (fb_execute_queue()) die("requirements not met!");
|
|
}
|
|
|
|
static void queue_info_dump() {
|
|
fb_queue_notice("--------------------------------------------");
|
|
fb_queue_display("Bootloader Version...", "version-bootloader");
|
|
fb_queue_display("Baseband Version.....", "version-baseband");
|
|
fb_queue_display("Serial Number........", "serialno");
|
|
fb_queue_notice("--------------------------------------------");
|
|
}
|
|
|
|
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) ||
|
|
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;
|
|
}
|
|
|
|
lseek64(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_queue_flash_sparse(partition, pair.first, pair.second, i + 1, sparse_files.size());
|
|
}
|
|
break;
|
|
}
|
|
case FB_BUFFER_FD:
|
|
fb_queue_flash_fd(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)) return "";
|
|
return current_slot;
|
|
}
|
|
|
|
static int get_slot_count() {
|
|
std::string var;
|
|
int count = 0;
|
|
if (!fb_getvar("slot-count", &var) || !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)) {
|
|
/* 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)) {
|
|
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 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));
|
|
}
|
|
flash_buf(pname, &buf);
|
|
}
|
|
|
|
static void do_update_signature(ZipArchiveHandle zip, const char* filename) {
|
|
int64_t sz;
|
|
void* data = unzip_to_memory(zip, filename, &sz);
|
|
if (data == nullptr) return;
|
|
fb_queue_download("signature", data, sz);
|
|
fb_queue_command("signature", "installing signature");
|
|
}
|
|
|
|
// 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_set_active(slot_override);
|
|
} else {
|
|
std::string current_slot = get_current_slot();
|
|
if (current_slot != "") {
|
|
fb_set_active(current_slot);
|
|
}
|
|
}
|
|
}
|
|
|
|
static bool is_userspace_fastboot() {
|
|
std::string value;
|
|
return fb_getvar("is-userspace", &value) && value == "yes";
|
|
}
|
|
|
|
static bool if_partition_exists(const std::string& partition, const std::string& slot) {
|
|
std::string has_slot;
|
|
std::string partition_name = partition;
|
|
|
|
if (fb_getvar("has-slot:" + partition, &has_slot) && has_slot == "yes") {
|
|
if (slot == "") {
|
|
std::string current_slot = get_current_slot();
|
|
if (current_slot == "") {
|
|
die("Failed to identify current slot");
|
|
}
|
|
partition_name += "_" + current_slot;
|
|
} else {
|
|
partition_name += "_" + slot;
|
|
}
|
|
}
|
|
std::string partition_size;
|
|
return fb_getvar("partition-size:" + partition_name, &partition_size);
|
|
}
|
|
|
|
static void do_update(const char* filename, const std::string& slot_override, bool skip_secondary) {
|
|
queue_info_dump();
|
|
|
|
fb_queue_query_save("product", cur_product, sizeof(cur_product));
|
|
|
|
ZipArchiveHandle zip;
|
|
int error = OpenArchive(filename, &zip);
|
|
if (error != 0) {
|
|
die("failed to open zip file '%s': %s", filename, ErrorCodeString(error));
|
|
}
|
|
|
|
int64_t sz;
|
|
void* data = unzip_to_memory(zip, "android-info.txt", &sz);
|
|
if (data == nullptr) {
|
|
die("update package '%s' has no android-info.txt", filename);
|
|
}
|
|
|
|
check_requirements(reinterpret_cast<char*>(data), sz);
|
|
|
|
std::string secondary;
|
|
if (!skip_secondary) {
|
|
if (slot_override != "") {
|
|
secondary = get_other_slot(slot_override);
|
|
} else {
|
|
secondary = get_other_slot();
|
|
}
|
|
if (secondary == "") {
|
|
if (supports_AB()) {
|
|
fprintf(stderr, "Warning: Could not determine slot for secondary images. Ignoring.\n");
|
|
}
|
|
skip_secondary = true;
|
|
}
|
|
}
|
|
for (size_t i = 0; i < arraysize(images); ++i) {
|
|
const char* slot = slot_override.c_str();
|
|
if (images[i].IsSecondary()) {
|
|
if (!skip_secondary) {
|
|
slot = secondary.c_str();
|
|
} else {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
int fd = unzip_to_file(zip, images[i].img_name);
|
|
if (fd == -1) {
|
|
if (images[i].optional_if_no_image) {
|
|
continue; // An optional file is missing, so ignore it.
|
|
}
|
|
die("non-optional file %s missing", images[i].img_name);
|
|
}
|
|
|
|
if (images[i].optional_if_no_partition &&
|
|
!if_partition_exists(images[i].part_name, slot)) {
|
|
continue;
|
|
}
|
|
|
|
fastboot_buffer buf;
|
|
if (!load_buf_fd(fd, &buf)) {
|
|
die("cannot load %s from flash: %s", images[i].img_name, strerror(errno));
|
|
}
|
|
|
|
auto update = [&](const std::string& partition) {
|
|
do_update_signature(zip, images[i].sig_name);
|
|
flash_buf(partition.c_str(), &buf);
|
|
/* not closing the fd here since the sparse code keeps the fd around
|
|
* but hasn't mmaped data yet. The temporary file will get cleaned up when the
|
|
* program exits.
|
|
*/
|
|
};
|
|
do_for_partitions(images[i].part_name, slot, update, false);
|
|
}
|
|
|
|
if (slot_override == "all") {
|
|
set_active("a");
|
|
} else {
|
|
set_active(slot_override);
|
|
}
|
|
|
|
CloseArchive(zip);
|
|
}
|
|
|
|
static void do_send_signature(const std::string& fn) {
|
|
std::size_t extension_loc = fn.find(".img");
|
|
if (extension_loc == std::string::npos) return;
|
|
|
|
std::string fs_sig = fn.substr(0, extension_loc) + ".sig";
|
|
|
|
int64_t sz;
|
|
void* data = load_file(fs_sig.c_str(), &sz);
|
|
if (data == nullptr) return;
|
|
|
|
fb_queue_download("signature", data, sz);
|
|
fb_queue_command("signature", "installing signature");
|
|
}
|
|
|
|
static bool is_logical(const std::string& partition) {
|
|
std::string value;
|
|
return fb_getvar("is-logical:" + partition, &value) && value == "yes";
|
|
}
|
|
|
|
static void update_super_partition(bool force_wipe) {
|
|
if (!if_partition_exists("super", "")) {
|
|
return;
|
|
}
|
|
std::string image = find_item_given_name("super_empty.img");
|
|
if (access(image.c_str(), R_OK) < 0) {
|
|
return;
|
|
}
|
|
|
|
if (!is_userspace_fastboot()) {
|
|
die("Must have userspace fastboot to flash logical partitions");
|
|
}
|
|
|
|
int fd = open(image.c_str(), O_RDONLY);
|
|
if (fd < 0) {
|
|
die("could not open '%s': %s", image.c_str(), strerror(errno));
|
|
}
|
|
fb_queue_download_fd("super", fd, get_file_size(fd));
|
|
|
|
std::string command = "update-super:super";
|
|
if (force_wipe) {
|
|
command += ":wipe";
|
|
}
|
|
fb_queue_command(command, "Updating super partition");
|
|
|
|
// We need these commands to have finished before proceeding, since
|
|
// otherwise "getvar is-logical" may not return a correct answer below.
|
|
fb_execute_queue();
|
|
}
|
|
|
|
static void do_flashall(const std::string& slot_override, bool skip_secondary, bool wipe) {
|
|
std::string fname;
|
|
queue_info_dump();
|
|
|
|
fb_queue_query_save("product", cur_product, sizeof(cur_product));
|
|
|
|
fname = find_item_given_name("android-info.txt");
|
|
if (fname.empty()) die("cannot find android-info.txt");
|
|
|
|
int64_t sz;
|
|
void* data = load_file(fname.c_str(), &sz);
|
|
if (data == nullptr) die("could not load android-info.txt: %s", strerror(errno));
|
|
|
|
check_requirements(reinterpret_cast<char*>(data), sz);
|
|
|
|
std::string secondary;
|
|
if (!skip_secondary) {
|
|
if (slot_override != "") {
|
|
secondary = get_other_slot(slot_override);
|
|
} else {
|
|
secondary = get_other_slot();
|
|
}
|
|
if (secondary == "") {
|
|
if (supports_AB()) {
|
|
fprintf(stderr, "Warning: Could not determine slot for secondary images. Ignoring.\n");
|
|
}
|
|
skip_secondary = true;
|
|
}
|
|
}
|
|
|
|
update_super_partition(wipe);
|
|
|
|
// List of partitions to flash and their slots.
|
|
std::vector<std::pair<const Image*, std::string>> entries;
|
|
for (size_t i = 0; i < arraysize(images); i++) {
|
|
const char* slot = NULL;
|
|
if (images[i].IsSecondary()) {
|
|
if (!skip_secondary) slot = secondary.c_str();
|
|
} else {
|
|
slot = slot_override.c_str();
|
|
}
|
|
if (!slot) continue;
|
|
entries.emplace_back(&images[i], slot);
|
|
|
|
// Resize any logical partition to 0, so each partition is reset to 0
|
|
// extents, and will achieve more optimal allocation.
|
|
auto resize_partition = [](const std::string& partition) -> void {
|
|
if (is_logical(partition)) {
|
|
fb_queue_resize_partition(partition, "0");
|
|
}
|
|
};
|
|
do_for_partitions(images[i].part_name, slot, resize_partition, false);
|
|
}
|
|
|
|
// Flash each partition in the list if it has a corresponding image.
|
|
for (const auto& [image, slot] : entries) {
|
|
fname = find_item_given_name(image->img_name);
|
|
fastboot_buffer buf;
|
|
if (!load_buf(fname.c_str(), &buf)) {
|
|
if (image->optional_if_no_image) continue;
|
|
die("could not load '%s': %s", image->img_name, strerror(errno));
|
|
}
|
|
if (image->optional_if_no_partition &&
|
|
!if_partition_exists(image->part_name, slot)) {
|
|
continue;
|
|
}
|
|
auto flashall = [&](const std::string &partition) {
|
|
do_send_signature(fname.c_str());
|
|
if (is_logical(partition)) {
|
|
fb_queue_resize_partition(partition, std::to_string(buf.image_size));
|
|
}
|
|
flash_buf(partition.c_str(), &buf);
|
|
};
|
|
do_for_partitions(image->part_name, slot, flashall, false);
|
|
}
|
|
|
|
if (slot_override == "all") {
|
|
set_active("a");
|
|
} else {
|
|
set_active(slot_override);
|
|
}
|
|
}
|
|
|
|
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_queue_command(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) || 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)) {
|
|
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)) {
|
|
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;
|
|
}
|
|
fprintf(stderr, "Formatting is not supported for file system with type '%s'.\n",
|
|
partition_type.c_str());
|
|
return;
|
|
}
|
|
|
|
int64_t size;
|
|
if (!android::base::ParseInt(partition_size, &size)) {
|
|
fprintf(stderr, "Couldn't parse partition size '%s'.\n", partition_size.c_str());
|
|
return;
|
|
}
|
|
|
|
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());
|
|
return;
|
|
}
|
|
|
|
fd.reset(open(output.path, O_RDONLY));
|
|
if (fd == -1) {
|
|
fprintf(stderr, "Cannot open generated image: %s\n", strerror(errno));
|
|
return;
|
|
}
|
|
if (!load_buf_fd(fd.release(), &buf)) {
|
|
fprintf(stderr, "Cannot read image: %s\n", strerror(errno));
|
|
return;
|
|
}
|
|
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_get_error().c_str());
|
|
}
|
|
|
|
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;
|
|
void *data;
|
|
int64_t sz;
|
|
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;
|
|
|
|
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},
|
|
{"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},
|
|
{"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 == "header-version") {
|
|
g_boot_img_hdr.header_version = strtoul(optarg, nullptr, 0);
|
|
} 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 == "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\n", FASTBOOT_VERSION);
|
|
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::FastBootDriver fb(transport);
|
|
fb_init(fb);
|
|
|
|
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)) {
|
|
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 == "getvar") {
|
|
std::string variable = next_arg(&args);
|
|
fb_queue_display(variable, variable);
|
|
} else if (command == "erase") {
|
|
std::string partition = next_arg(&args);
|
|
auto erase = [&](const std::string& partition) {
|
|
std::string partition_type;
|
|
if (fb_getvar(std::string("partition-type:") + partition,
|
|
&partition_type) &&
|
|
fs_get_generator(partition_type) != nullptr) {
|
|
fprintf(stderr, "******** Did you mean to fastboot format this %s partition?\n",
|
|
partition_type.c_str());
|
|
}
|
|
|
|
fb_queue_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.c_str(), slot_override, format, true);
|
|
} else if (command == "signature") {
|
|
std::string filename = next_arg(&args);
|
|
data = load_file(filename.c_str(), &sz);
|
|
if (data == nullptr) die("could not load '%s': %s", filename.c_str(), strerror(errno));
|
|
if (sz != 256) die("signature must be 256 bytes (got %" PRId64 ")", sz);
|
|
fb_queue_download("signature", data, sz);
|
|
fb_queue_command("signature", "installing signature");
|
|
} else if (command == "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 == "reboot-bootloader") {
|
|
wants_reboot_bootloader = true;
|
|
} else if (command == "reboot-recovery") {
|
|
wants_reboot_recovery = true;
|
|
} else if (command == "reboot-fastboot") {
|
|
wants_reboot_fastboot = true;
|
|
} else if (command == "continue") {
|
|
fb_queue_command("continue", "resuming boot");
|
|
} else if (command == "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);
|
|
|
|
data = load_bootable_image(kernel, ramdisk, second_stage, &sz);
|
|
fb_queue_download("boot.img", data, sz);
|
|
fb_queue_command("boot", "booting");
|
|
} else if (command == "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) {
|
|
do_flash(partition.c_str(), fname.c_str());
|
|
};
|
|
do_for_partitions(pname.c_str(), 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);
|
|
|
|
data = load_bootable_image(kernel, ramdisk, second_stage, &sz);
|
|
auto flashraw = [&](const std::string& partition) {
|
|
fb_queue_flash(partition, data, sz);
|
|
};
|
|
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 == "set_active") {
|
|
std::string slot = verify_slot(next_arg(&args), false);
|
|
fb_set_active(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_queue_download_fd(filename, buf.fd, buf.sz);
|
|
} else if (command == "get_staged") {
|
|
std::string filename = next_arg(&args);
|
|
fb_queue_upload(filename);
|
|
} else if (command == "oem") {
|
|
do_oem_command("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 == "create-logical-partition") {
|
|
std::string partition = next_arg(&args);
|
|
std::string size = next_arg(&args);
|
|
fb_queue_create_partition(partition, size);
|
|
} else if (command == "delete-logical-partition") {
|
|
std::string partition = next_arg(&args);
|
|
fb_queue_delete_partition(partition);
|
|
} else if (command == "resize-logical-partition") {
|
|
std::string partition = next_arg(&args);
|
|
std::string size = next_arg(&args);
|
|
fb_queue_resize_partition(partition, size);
|
|
} 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(std::string{"partition-type:"} + partition, &partition_type)) continue;
|
|
if (partition_type.empty()) continue;
|
|
fb_queue_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_set_active(next_active);
|
|
}
|
|
if (wants_reboot && !skip_reboot) {
|
|
fb_queue_reboot();
|
|
fb_queue_wait_for_disconnect();
|
|
} else if (wants_reboot_bootloader) {
|
|
fb_queue_command("reboot-bootloader", "rebooting into bootloader");
|
|
fb_queue_wait_for_disconnect();
|
|
} else if (wants_reboot_recovery) {
|
|
fb_queue_command("reboot-recovery", "rebooting into recovery");
|
|
fb_queue_wait_for_disconnect();
|
|
} else if (wants_reboot_fastboot) {
|
|
fb_queue_command("reboot-fastboot", "rebooting into fastboot");
|
|
fb_queue_wait_for_disconnect();
|
|
}
|
|
|
|
int status = fb_execute_queue() ? EXIT_FAILURE : EXIT_SUCCESS;
|
|
fprintf(stderr, "Finished. Total time: %.3fs\n", (now() - start));
|
|
return status;
|
|
}
|
|
|
|
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);
|
|
}
|