| /* |
| * 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. |
| */ |
| |
| #define _LARGEFILE64_SOURCE |
| |
| #include <ctype.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <getopt.h> |
| #include <inttypes.h> |
| #include <limits.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/stat.h> |
| #include <sys/time.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| #include <chrono> |
| #include <functional> |
| #include <thread> |
| #include <utility> |
| #include <vector> |
| |
| #include <android-base/file.h> |
| #include <android-base/macros.h> |
| #include <android-base/parseint.h> |
| #include <android-base/parsenetaddress.h> |
| #include <android-base/stringprintf.h> |
| #include <android-base/strings.h> |
| #include <sparse/sparse.h> |
| #include <ziparchive/zip_archive.h> |
| |
| #include "bootimg_utils.h" |
| #include "diagnose_usb.h" |
| #include "fastboot.h" |
| #include "fs.h" |
| #include "tcp.h" |
| #include "transport.h" |
| #include "udp.h" |
| #include "usb.h" |
| |
| #ifndef O_BINARY |
| #define O_BINARY 0 |
| #endif |
| |
| char cur_product[FB_RESPONSE_SZ + 1]; |
| |
| static const char* serial = nullptr; |
| static const char* product = nullptr; |
| static const char* cmdline = nullptr; |
| static unsigned short vendor_id = 0; |
| static int long_listing = 0; |
| static int64_t sparse_limit = -1; |
| static int64_t target_sparse_limit = -1; |
| |
| static unsigned page_size = 2048; |
| static unsigned base_addr = 0x10000000; |
| static unsigned kernel_offset = 0x00008000; |
| static unsigned ramdisk_offset = 0x01000000; |
| static unsigned second_offset = 0x00f00000; |
| static unsigned tags_offset = 0x00000100; |
| |
| static const std::string convert_fbe_marker_filename("convert_fbe"); |
| |
| enum fb_buffer_type { |
| FB_BUFFER, |
| FB_BUFFER_SPARSE, |
| }; |
| |
| struct fastboot_buffer { |
| enum fb_buffer_type type; |
| void* data; |
| int64_t sz; |
| }; |
| |
| static struct { |
| char img_name[17]; |
| char sig_name[17]; |
| char part_name[9]; |
| bool is_optional; |
| bool is_secondary; |
| } images[] = { |
| {"boot.img", "boot.sig", "boot", false, false}, |
| {"boot_other.img", "boot.sig", "boot", true, true}, |
| {"recovery.img", "recovery.sig", "recovery", true, false}, |
| {"system.img", "system.sig", "system", false, false}, |
| {"system_other.img", "system.sig", "system", true, true}, |
| {"vendor.img", "vendor.sig", "vendor", true, false}, |
| {"vendor_other.img", "vendor.sig", "vendor", true, true}, |
| {"vbmeta.img", "vbmeta.sig", "vbmeta", true, false}, |
| }; |
| |
| static std::string find_item_given_name(const char* img_name, const char* product) { |
| if(product) { |
| std::string path = android::base::GetExecutablePath(); |
| path.erase(path.find_last_of('/')); |
| return android::base::StringPrintf("%s/../../../target/product/%s/%s", |
| path.c_str(), product, img_name); |
| } |
| |
| char *dir = getenv("ANDROID_PRODUCT_OUT"); |
| if (dir == nullptr || dir[0] == '\0') { |
| die("neither -p product specified nor ANDROID_PRODUCT_OUT set"); |
| } |
| |
| return android::base::StringPrintf("%s/%s", dir, img_name); |
| } |
| |
| std::string find_item(const char* item, const char* product) { |
| const char *fn; |
| |
| if (!strcmp(item,"boot")) { |
| fn = "boot.img"; |
| } else if(!strcmp(item,"recovery")) { |
| fn = "recovery.img"; |
| } else if(!strcmp(item,"system")) { |
| fn = "system.img"; |
| } else if(!strcmp(item,"vendor")) { |
| fn = "vendor.img"; |
| } else if(!strcmp(item,"vbmeta")) { |
| fn = "vbmeta.img"; |
| } else if(!strcmp(item,"userdata")) { |
| fn = "userdata.img"; |
| } else if(!strcmp(item,"cache")) { |
| fn = "cache.img"; |
| } else if(!strcmp(item,"info")) { |
| fn = "android-info.txt"; |
| } else { |
| fprintf(stderr,"unknown partition '%s'\n", item); |
| return ""; |
| } |
| |
| return find_item_given_name(fn, product); |
| } |
| |
| static int64_t get_file_size(int fd) { |
| struct stat sb; |
| return fstat(fd, &sb) == -1 ? -1 : sb.st_size; |
| } |
| |
| static void* load_fd(int fd, int64_t* sz) { |
| int errno_tmp; |
| char* data = nullptr; |
| |
| *sz = get_file_size(fd); |
| if (*sz < 0) { |
| goto oops; |
| } |
| |
| data = (char*) malloc(*sz); |
| if (data == nullptr) goto oops; |
| |
| if(read(fd, data, *sz) != *sz) goto oops; |
| close(fd); |
| |
| return data; |
| |
| oops: |
| errno_tmp = errno; |
| close(fd); |
| if(data != 0) free(data); |
| errno = errno_tmp; |
| return 0; |
| } |
| |
| static void* load_file(const std::string& path, int64_t* sz) { |
| int fd = open(path.c_str(), O_RDONLY | O_BINARY); |
| if (fd == -1) return nullptr; |
| return load_fd(fd, sz); |
| } |
| |
| static int match_fastboot_with_serial(usb_ifc_info* info, const char* local_serial) { |
| // Require a matching vendor id if the user specified one with -i. |
| if (vendor_id != 0 && info->dev_vendor != vendor_id) { |
| return -1; |
| } |
| |
| if (info->ifc_class != 0xff || info->ifc_subclass != 0x42 || info->ifc_protocol != 0x03) { |
| return -1; |
| } |
| |
| // require matching serial number or device path if requested |
| // at the command line with the -s option. |
| if (local_serial && (strcmp(local_serial, info->serial_number) != 0 && |
| strcmp(local_serial, info->device_path) != 0)) return -1; |
| return 0; |
| } |
| |
| static int match_fastboot(usb_ifc_info* info) { |
| return match_fastboot_with_serial(info, serial); |
| } |
| |
| static int list_devices_callback(usb_ifc_info* info) { |
| if (match_fastboot_with_serial(info, nullptr) == 0) { |
| std::string serial = info->serial_number; |
| if (!info->writable) { |
| serial = UsbNoPermissionsShortHelpText(); |
| } |
| if (!serial[0]) { |
| serial = "????????????"; |
| } |
| // output compatible with "adb devices" |
| if (!long_listing) { |
| printf("%s\tfastboot", serial.c_str()); |
| } else { |
| printf("%-22s fastboot", serial.c_str()); |
| if (strlen(info->device_path) > 0) printf(" %s", info->device_path); |
| } |
| putchar('\n'); |
| } |
| |
| return -1; |
| } |
| |
| // Opens a new Transport connected to a device. If |serial| is non-null it will be used to identify |
| // a specific device, otherwise the first USB device found will be used. |
| // |
| // If |serial| is non-null but invalid, this prints an error message to stderr and returns nullptr. |
| // Otherwise it blocks until the target is available. |
| // |
| // The returned Transport is a singleton, so multiple calls to this function will return the same |
| // object, and the caller should not attempt to delete the returned Transport. |
| static Transport* open_device() { |
| static Transport* transport = nullptr; |
| bool announce = true; |
| |
| if (transport != nullptr) { |
| return transport; |
| } |
| |
| Socket::Protocol protocol = Socket::Protocol::kTcp; |
| std::string host; |
| int port = 0; |
| if (serial != nullptr) { |
| const char* net_address = nullptr; |
| |
| if (android::base::StartsWith(serial, "tcp:")) { |
| protocol = Socket::Protocol::kTcp; |
| port = tcp::kDefaultPort; |
| net_address = serial + strlen("tcp:"); |
| } else if (android::base::StartsWith(serial, "udp:")) { |
| protocol = Socket::Protocol::kUdp; |
| port = udp::kDefaultPort; |
| net_address = serial + strlen("udp:"); |
| } |
| |
| if (net_address != nullptr) { |
| std::string error; |
| if (!android::base::ParseNetAddress(net_address, &host, &port, nullptr, &error)) { |
| fprintf(stderr, "error: Invalid network address '%s': %s\n", net_address, |
| error.c_str()); |
| return nullptr; |
| } |
| } |
| } |
| |
| while (true) { |
| if (!host.empty()) { |
| std::string error; |
| if (protocol == Socket::Protocol::kTcp) { |
| transport = tcp::Connect(host, port, &error).release(); |
| } else if (protocol == Socket::Protocol::kUdp) { |
| transport = udp::Connect(host, port, &error).release(); |
| } |
| |
| if (transport == nullptr && announce) { |
| fprintf(stderr, "error: %s\n", error.c_str()); |
| } |
| } else { |
| transport = usb_open(match_fastboot); |
| } |
| |
| if (transport != nullptr) { |
| return transport; |
| } |
| |
| if (announce) { |
| announce = false; |
| fprintf(stderr, "< waiting for %s >\n", serial ? serial : "any device"); |
| } |
| std::this_thread::sleep_for(std::chrono::milliseconds(1)); |
| } |
| } |
| |
| static void list_devices() { |
| // We don't actually open a USB device here, |
| // just getting our callback called so we can |
| // list all the connected devices. |
| usb_open(list_devices_callback); |
| } |
| |
| static void usage() { |
| fprintf(stderr, |
| /* 1234567890123456789012345678901234567890123456789012345678901234567890123456 */ |
| "usage: fastboot [ <option> ] <command>\n" |
| "\n" |
| "commands:\n" |
| " update <filename> Reflash device from update.zip.\n" |
| " Sets the flashed slot as active.\n" |
| " flashall Flash boot, system, vendor, and --\n" |
| " if found -- recovery. If the device\n" |
| " supports slots, the slot that has\n" |
| " been flashed to is set as active.\n" |
| " Secondary images may be flashed to\n" |
| " an inactive slot.\n" |
| " flash <partition> [ <filename> ] Write a file to a flash partition.\n" |
| " flashing lock Locks the device. Prevents flashing.\n" |
| " flashing unlock Unlocks the device. Allows flashing\n" |
| " any partition except\n" |
| " bootloader-related partitions.\n" |
| " flashing lock_critical Prevents flashing bootloader-related\n" |
| " partitions.\n" |
| " flashing unlock_critical Enables flashing bootloader-related\n" |
| " partitions.\n" |
| " flashing get_unlock_ability Queries bootloader to see if the\n" |
| " device is unlocked.\n" |
| " flashing get_unlock_bootloader_nonce Queries the bootloader to get the\n" |
| " unlock nonce.\n" |
| " flashing unlock_bootloader <request> Issue unlock bootloader using request.\n" |
| " flashing lock_bootloader Locks the bootloader to prevent\n" |
| " bootloader version rollback.\n" |
| " erase <partition> Erase a flash partition.\n" |
| " format[:[<fs type>][:[<size>]] <partition>\n" |
| " Format a flash partition. Can\n" |
| " override the fs type and/or size\n" |
| " the bootloader reports.\n" |
| " getvar <variable> Display a bootloader variable.\n" |
| " set_active <slot> Sets the active slot. If slots are\n" |
| " not supported, this does nothing.\n" |
| " boot <kernel> [ <ramdisk> [ <second> ] ] Download and boot kernel.\n" |
| " flash:raw boot <kernel> [ <ramdisk> [ <second> ] ]\n" |
| " Create bootimage and flash it.\n" |
| " devices [-l] List all connected devices [with\n" |
| " device paths].\n" |
| " continue Continue with autoboot.\n" |
| " reboot [bootloader|emergency] Reboot device [into bootloader or emergency mode].\n" |
| " reboot-bootloader Reboot device into bootloader.\n" |
| " help Show this help message.\n" |
| "\n" |
| "options:\n" |
| " -w Erase userdata and cache (and format\n" |
| " if supported by partition type).\n" |
| " -u Do not erase partition before\n" |
| " formatting.\n" |
| " -s <specific device> Specify a device. For USB, provide either\n" |
| " a serial number or path to device port.\n" |
| " For ethernet, provide an address in the\n" |
| " form <protocol>:<hostname>[:port] where\n" |
| " <protocol> is either tcp or udp.\n" |
| " -p <product> Specify product name.\n" |
| " -c <cmdline> Override kernel commandline.\n" |
| " -i <vendor id> Specify a custom USB vendor id.\n" |
| " -b, --base <base_addr> Specify a custom kernel base\n" |
| " address (default: 0x10000000).\n" |
| " --kernel-offset Specify a custom kernel offset.\n" |
| " (default: 0x00008000)\n" |
| " --ramdisk-offset Specify a custom ramdisk offset.\n" |
| " (default: 0x01000000)\n" |
| " --tags-offset Specify a custom tags offset.\n" |
| " (default: 0x00000100)\n" |
| " -n, --page-size <page size> Specify the nand page size\n" |
| " (default: 2048).\n" |
| " -S <size>[K|M|G] Automatically sparse files greater\n" |
| " than 'size'. 0 to disable.\n" |
| " --slot <slot> Specify slot name to be used if the\n" |
| " device supports slots. All operations\n" |
| " on partitions that support slots will\n" |
| " be done on the slot specified.\n" |
| " 'all' can be given to refer to all slots.\n" |
| " 'other' can be given to refer to a\n" |
| " non-current slot. If this flag is not\n" |
| " used, slotted partitions will default\n" |
| " to the current active slot.\n" |
| " -a, --set-active[=<slot>] Sets the active slot. If no slot is\n" |
| " provided, this will default to the value\n" |
| " given by --slot. If slots are not\n" |
| " supported, this does nothing. This will\n" |
| " run after all non-reboot commands.\n" |
| " --skip-secondary Will not flash secondary slots when\n" |
| " performing a flashall or update. This\n" |
| " will preserve data on other slots.\n" |
| " --skip-reboot Will not reboot the device when\n" |
| " performing commands that normally\n" |
| " trigger a reboot.\n" |
| #if !defined(_WIN32) |
| " --wipe-and-use-fbe On devices which support it,\n" |
| " erase userdata and cache, and\n" |
| " enable file-based encryption\n" |
| #endif |
| " --unbuffered Do not buffer input or output.\n" |
| " --version Display version.\n" |
| " -h, --help show this message.\n" |
| ); |
| } |
| |
| static void* load_bootable_image(const char* kernel, const char* ramdisk, |
| const char* secondstage, int64_t* sz, |
| const char* cmdline) { |
| if (kernel == nullptr) { |
| fprintf(stderr, "no image specified\n"); |
| return 0; |
| } |
| |
| int64_t ksize; |
| void* kdata = load_file(kernel, &ksize); |
| if (kdata == nullptr) { |
| fprintf(stderr, "cannot load '%s': %s\n", kernel, strerror(errno)); |
| return 0; |
| } |
| |
| // Is this actually a boot image? |
| if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) { |
| if (cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline); |
| |
| if (ramdisk) { |
| fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n"); |
| return 0; |
| } |
| |
| *sz = ksize; |
| return kdata; |
| } |
| |
| void* rdata = nullptr; |
| int64_t rsize = 0; |
| if (ramdisk) { |
| rdata = load_file(ramdisk, &rsize); |
| if (rdata == nullptr) { |
| fprintf(stderr,"cannot load '%s': %s\n", ramdisk, strerror(errno)); |
| return 0; |
| } |
| } |
| |
| void* sdata = nullptr; |
| int64_t ssize = 0; |
| if (secondstage) { |
| sdata = load_file(secondstage, &ssize); |
| if (sdata == nullptr) { |
| fprintf(stderr,"cannot load '%s': %s\n", secondstage, strerror(errno)); |
| return 0; |
| } |
| } |
| |
| fprintf(stderr,"creating boot image...\n"); |
| int64_t bsize = 0; |
| void* bdata = mkbootimg(kdata, ksize, kernel_offset, |
| rdata, rsize, ramdisk_offset, |
| sdata, ssize, second_offset, |
| page_size, base_addr, tags_offset, &bsize); |
| if (bdata == nullptr) { |
| fprintf(stderr,"failed to create boot.img\n"); |
| return 0; |
| } |
| if (cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline); |
| fprintf(stderr, "creating boot image - %" PRId64 " bytes\n", bsize); |
| *sz = bsize; |
| |
| return bdata; |
| } |
| |
| static void* unzip_file(ZipArchiveHandle zip, const char* entry_name, int64_t* sz) |
| { |
| 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 0; |
| } |
| |
| *sz = zip_entry.uncompressed_length; |
| |
| uint8_t* data = reinterpret_cast<uint8_t*>(malloc(zip_entry.uncompressed_length)); |
| if (data == nullptr) { |
| fprintf(stderr, "failed to allocate %" PRId64 " bytes for '%s'\n", *sz, entry_name); |
| return 0; |
| } |
| |
| int error = ExtractToMemory(zip, &zip_entry, data, zip_entry.uncompressed_length); |
| if (error != 0) { |
| fprintf(stderr, "failed to extract '%s': %s\n", entry_name, ErrorCodeString(error)); |
| free(data); |
| return 0; |
| } |
| |
| 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)) { |
| fprintf(stderr, "GetTempPath failed, error %ld\n", GetLastError()); |
| return nullptr; |
| } |
| |
| char filename[PATH_MAX]; |
| if (GetTempFileName(temp_path, "fastboot", 0, filename) == 0) { |
| fprintf(stderr, "GetTempFileName failed, error %ld\n", GetLastError()); |
| return nullptr; |
| } |
| |
| return fopen(filename, "w+bTD"); |
| } |
| |
| #define tmpfile win32_tmpfile |
| |
| static std::string make_temporary_directory() { |
| fprintf(stderr, "make_temporary_directory not supported under Windows, sorry!"); |
| return ""; |
| } |
| |
| #else |
| |
| static std::string make_temporary_directory() { |
| const char *tmpdir = getenv("TMPDIR"); |
| if (tmpdir == nullptr) { |
| tmpdir = P_tmpdir; |
| } |
| std::string result = std::string(tmpdir) + "/fastboot_userdata_XXXXXX"; |
| if (mkdtemp(&result[0]) == NULL) { |
| fprintf(stderr, "Unable to create temporary directory: %s\n", |
| strerror(errno)); |
| return ""; |
| } |
| return result; |
| } |
| |
| #endif |
| |
| static std::string create_fbemarker_tmpdir() { |
| std::string dir = make_temporary_directory(); |
| if (dir.empty()) { |
| fprintf(stderr, "Unable to create local temp directory for FBE marker\n"); |
| return ""; |
| } |
| 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) { |
| fprintf(stderr, "Unable to create FBE marker file %s locally: %d, %s\n", |
| marker_file.c_str(), errno, strerror(errno)); |
| return ""; |
| } |
| 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, char* entry_name) { |
| FILE* fp = tmpfile(); |
| if (fp == nullptr) { |
| fprintf(stderr, "failed to create temporary file for '%s': %s\n", |
| entry_name, strerror(errno)); |
| return -1; |
| } |
| |
| 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); |
| fclose(fp); |
| return -1; |
| } |
| |
| int fd = fileno(fp); |
| int error = ExtractEntryToFile(zip, &zip_entry, fd); |
| if (error != 0) { |
| fprintf(stderr, "failed to extract '%s': %s\n", entry_name, ErrorCodeString(error)); |
| fclose(fp); |
| return -1; |
| } |
| |
| lseek(fd, 0, SEEK_SET); |
| // TODO: We're leaking 'fp' here. |
| return fd; |
| } |
| |
| static char *strip(char *s) |
| { |
| int n; |
| while(*s && isspace(*s)) s++; |
| n = strlen(s); |
| while(n-- > 0) { |
| if(!isspace(s[n])) break; |
| s[n] = 0; |
| } |
| return s; |
| } |
| |
| #define MAX_OPTIONS 32 |
| static int setup_requirement_line(char *name) |
| { |
| char *val[MAX_OPTIONS]; |
| char *prod = nullptr; |
| unsigned n, count; |
| char *x; |
| int invert = 0; |
| |
| 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 |
| prod = name + 20; |
| name = strchr(name, ' '); |
| if (!name) return -1; |
| *name = 0; |
| name += 1; |
| invert = 0; |
| } |
| |
| x = strchr(name, '='); |
| if (x == 0) return 0; |
| *x = 0; |
| val[0] = x + 1; |
| |
| for(count = 1; count < MAX_OPTIONS; count++) { |
| x = strchr(val[count - 1],'|'); |
| if (x == 0) break; |
| *x = 0; |
| val[count] = x + 1; |
| } |
| |
| name = strip(name); |
| for(n = 0; n < count; n++) val[n] = strip(val[n]); |
| |
| name = strip(name); |
| if (name == 0) return -1; |
| |
| const char* var = name; |
| // Work around an unfortunate name mismatch. |
| if (!strcmp(name,"board")) var = "product"; |
| |
| const char** out = reinterpret_cast<const char**>(malloc(sizeof(char*) * count)); |
| if (out == 0) return -1; |
| |
| for(n = 0; n < count; n++) { |
| out[n] = strdup(strip(val[n])); |
| if (out[n] == 0) { |
| for(size_t i = 0; i < n; ++i) { |
| free((char*) out[i]); |
| } |
| free(out); |
| return -1; |
| } |
| } |
| |
| fb_queue_require(prod, var, invert, n, out); |
| return 0; |
| } |
| |
| static void setup_requirements(char* data, int64_t sz) { |
| char* s = data; |
| while (sz-- > 0) { |
| if (*s == '\n') { |
| *s++ = 0; |
| if (setup_requirement_line(data)) { |
| die("out of memory"); |
| } |
| data = s; |
| } else { |
| s++; |
| } |
| } |
| } |
| |
| static void queue_info_dump() { |
| fb_queue_notice("--------------------------------------------"); |
| fb_queue_display("version-bootloader", "Bootloader Version..."); |
| fb_queue_display("version-baseband", "Baseband Version....."); |
| fb_queue_display("serialno", "Serial Number........"); |
| fb_queue_notice("--------------------------------------------"); |
| } |
| |
| static struct sparse_file **load_sparse_files(int fd, int max_size) |
| { |
| struct sparse_file* s = sparse_file_import_auto(fd, false, true); |
| if (!s) { |
| die("cannot sparse read file\n"); |
| } |
| |
| int files = sparse_file_resparse(s, max_size, nullptr, 0); |
| if (files < 0) { |
| die("Failed to resparse\n"); |
| } |
| |
| 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\n"); |
| } |
| |
| files = sparse_file_resparse(s, max_size, out_s, files); |
| if (files < 0) { |
| die("Failed to resparse\n"); |
| } |
| |
| return out_s; |
| } |
| |
| static int64_t get_target_sparse_limit(Transport* transport) { |
| std::string max_download_size; |
| if (!fb_getvar(transport, "max-download-size", &max_download_size) || |
| max_download_size.empty()) { |
| fprintf(stderr, "target didn't report max-download-size\n"); |
| 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) { |
| fprintf(stderr, "target reported max download size of %" PRId64 " bytes\n", limit); |
| } |
| return limit; |
| } |
| |
| static int64_t get_sparse_limit(Transport* transport, int64_t size) { |
| int64_t limit; |
| |
| if (sparse_limit == 0) { |
| return 0; |
| } else if (sparse_limit > 0) { |
| limit = sparse_limit; |
| } else { |
| if (target_sparse_limit == -1) { |
| target_sparse_limit = get_target_sparse_limit(transport); |
| } |
| if (target_sparse_limit > 0) { |
| limit = target_sparse_limit; |
| } else { |
| return 0; |
| } |
| } |
| |
| if (size > limit) { |
| return limit; |
| } |
| |
| return 0; |
| } |
| |
| // Until we get lazy inode table init working in make_ext4fs, we need to |
| // erase partitions of type ext4 before flashing a filesystem so no stale |
| // inodes are left lying around. Otherwise, e2fsck gets very upset. |
| static bool needs_erase(Transport* transport, const char* partition) { |
| std::string partition_type; |
| if (!fb_getvar(transport, std::string("partition-type:") + partition, &partition_type)) { |
| return false; |
| } |
| return partition_type == "ext4"; |
| } |
| |
| static bool load_buf_fd(Transport* transport, int fd, struct fastboot_buffer* buf) { |
| int64_t sz = get_file_size(fd); |
| if (sz == -1) { |
| return false; |
| } |
| |
| lseek64(fd, 0, SEEK_SET); |
| int64_t limit = get_sparse_limit(transport, 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 { |
| void* data = load_fd(fd, &sz); |
| if (data == nullptr) return -1; |
| buf->type = FB_BUFFER; |
| buf->data = data; |
| buf->sz = sz; |
| } |
| |
| return true; |
| } |
| |
| static bool load_buf(Transport* transport, const char* fname, struct fastboot_buffer* buf) { |
| int fd = open(fname, O_RDONLY | O_BINARY); |
| if (fd == -1) { |
| return false; |
| } |
| return load_buf_fd(transport, fd, buf); |
| } |
| |
| static void flash_buf(const char *pname, struct fastboot_buffer *buf) |
| { |
| sparse_file** s; |
| |
| 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(pname, pair.first, pair.second, i + 1, sparse_files.size()); |
| } |
| break; |
| } |
| |
| case FB_BUFFER: |
| fb_queue_flash(pname, buf->data, buf->sz); |
| break; |
| default: |
| die("unknown buffer type: %d", buf->type); |
| } |
| } |
| |
| static std::string get_current_slot(Transport* transport) |
| { |
| std::string current_slot; |
| if (fb_getvar(transport, "current-slot", ¤t_slot)) { |
| if (current_slot == "_a") return "a"; // Legacy support |
| if (current_slot == "_b") return "b"; // Legacy support |
| return current_slot; |
| } |
| return ""; |
| } |
| |
| // Legacy support |
| static std::vector<std::string> get_suffixes_obsolete(Transport* transport) { |
| std::vector<std::string> suffixes; |
| std::string suffix_list; |
| if (!fb_getvar(transport, "slot-suffixes", &suffix_list)) { |
| return suffixes; |
| } |
| suffixes = android::base::Split(suffix_list, ","); |
| // Unfortunately some devices will return an error message in the |
| // guise of a valid value. If we only see only one suffix, it's probably |
| // not real. |
| if (suffixes.size() == 1) { |
| suffixes.clear(); |
| } |
| return suffixes; |
| } |
| |
| // Legacy support |
| static bool supports_AB_obsolete(Transport* transport) { |
| return !get_suffixes_obsolete(transport).empty(); |
| } |
| |
| static int get_slot_count(Transport* transport) { |
| std::string var; |
| int count; |
| if (!fb_getvar(transport, "slot-count", &var)) { |
| if (supports_AB_obsolete(transport)) return 2; // Legacy support |
| } |
| if (!android::base::ParseInt(var, &count)) return 0; |
| return count; |
| } |
| |
| static bool supports_AB(Transport* transport) { |
| return get_slot_count(transport) >= 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(Transport* transport, const std::string& current_slot) { |
| return get_other_slot(current_slot, get_slot_count(transport)); |
| } |
| |
| static std::string get_other_slot(Transport* transport, int count) { |
| return get_other_slot(get_current_slot(transport), count); |
| } |
| |
| static std::string get_other_slot(Transport* transport) { |
| return get_other_slot(get_current_slot(transport), get_slot_count(transport)); |
| } |
| |
| static std::string verify_slot(Transport* transport, const std::string& slot_name, bool allow_all) { |
| std::string slot = slot_name; |
| if (slot == "_a") slot = "a"; // Legacy support |
| if (slot == "_b") slot = "b"; // Legacy support |
| if (slot == "all") { |
| if (allow_all) { |
| return "all"; |
| } else { |
| int count = get_slot_count(transport); |
| if (count > 0) { |
| return "a"; |
| } else { |
| die("No known slots."); |
| } |
| } |
| } |
| |
| int count = get_slot_count(transport); |
| if (count == 0) die("Device does not support slots.\n"); |
| |
| if (slot == "other") { |
| std::string other = get_other_slot(transport, 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(Transport* transport, const std::string& slot) { |
| return verify_slot(transport, slot, true); |
| } |
| |
| static void do_for_partition(Transport* transport, 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(transport, "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(transport); |
| if (current_slot == "") { |
| die("Failed to identify current slot.\n"); |
| } |
| 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(Transport* transport, 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(transport, "has-slot:" + part, &has_slot)) { |
| die("Could not check if partition %s has slot.", part.c_str()); |
| } |
| if (has_slot == "yes") { |
| for (int i=0; i < get_slot_count(transport); i++) { |
| do_for_partition(transport, part, std::string(1, (char)(i + 'a')), func, force_slot); |
| } |
| } else { |
| do_for_partition(transport, part, "", func, force_slot); |
| } |
| } else { |
| do_for_partition(transport, part, slot, func, force_slot); |
| } |
| } |
| |
| static void do_flash(Transport* transport, const char* pname, const char* fname) { |
| struct fastboot_buffer buf; |
| |
| if (!load_buf(transport, fname, &buf)) { |
| die("cannot load '%s': %s", fname, strerror(errno)); |
| } |
| flash_buf(pname, &buf); |
| } |
| |
| static void do_update_signature(ZipArchiveHandle zip, char* fn) { |
| int64_t sz; |
| void* data = unzip_file(zip, fn, &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(Transport* transport, const std::string& slot_override) { |
| std::string separator = ""; |
| if (!supports_AB(transport)) { |
| if (supports_AB_obsolete(transport)) { |
| separator = "_"; // Legacy support |
| } else { |
| return; |
| } |
| } |
| if (slot_override != "") { |
| fb_set_active((separator + slot_override).c_str()); |
| } else { |
| std::string current_slot = get_current_slot(transport); |
| if (current_slot != "") { |
| fb_set_active((separator + current_slot).c_str()); |
| } |
| } |
| } |
| |
| static void do_update(Transport* transport, const char* filename, const std::string& slot_override, bool erase_first, 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) { |
| CloseArchive(zip); |
| die("failed to open zip file '%s': %s", filename, ErrorCodeString(error)); |
| } |
| |
| int64_t sz; |
| void* data = unzip_file(zip, "android-info.txt", &sz); |
| if (data == nullptr) { |
| CloseArchive(zip); |
| die("update package '%s' has no android-info.txt", filename); |
| } |
| |
| setup_requirements(reinterpret_cast<char*>(data), sz); |
| |
| std::string secondary; |
| if (!skip_secondary) { |
| if (slot_override != "") { |
| secondary = get_other_slot(transport, slot_override); |
| } else { |
| secondary = get_other_slot(transport); |
| } |
| if (secondary == "") { |
| if (supports_AB(transport)) { |
| 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].is_secondary) { |
| 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].is_optional) { |
| continue; |
| } |
| CloseArchive(zip); |
| exit(1); // unzip_to_file already explained why. |
| } |
| fastboot_buffer buf; |
| if (!load_buf_fd(transport, 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); |
| if (erase_first && needs_erase(transport, partition.c_str())) { |
| fb_queue_erase(partition.c_str()); |
| } |
| 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 tmpfile will get cleaned up when the |
| * program exits. |
| */ |
| }; |
| do_for_partitions(transport, images[i].part_name, slot, update, false); |
| } |
| |
| CloseArchive(zip); |
| if (slot_override == "all") { |
| set_active(transport, "a"); |
| } else { |
| set_active(transport, slot_override); |
| } |
| } |
| |
| 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 void do_flashall(Transport* transport, const std::string& slot_override, int erase_first, bool skip_secondary) { |
| std::string fname; |
| queue_info_dump(); |
| |
| fb_queue_query_save("product", cur_product, sizeof(cur_product)); |
| |
| fname = find_item("info", product); |
| 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)); |
| |
| setup_requirements(reinterpret_cast<char*>(data), sz); |
| |
| std::string secondary; |
| if (!skip_secondary) { |
| if (slot_override != "") { |
| secondary = get_other_slot(transport, slot_override); |
| } else { |
| secondary = get_other_slot(transport); |
| } |
| if (secondary == "") { |
| if (supports_AB(transport)) { |
| 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 = NULL; |
| if (images[i].is_secondary) { |
| if (!skip_secondary) slot = secondary.c_str(); |
| } else { |
| slot = slot_override.c_str(); |
| } |
| if (!slot) continue; |
| fname = find_item_given_name(images[i].img_name, product); |
| fastboot_buffer buf; |
| if (!load_buf(transport, fname.c_str(), &buf)) { |
| if (images[i].is_optional) continue; |
| die("could not load '%s': %s\n", images[i].img_name, strerror(errno)); |
| } |
| |
| auto flashall = [&](const std::string &partition) { |
| do_send_signature(fname.c_str()); |
| if (erase_first && needs_erase(transport, partition.c_str())) { |
| fb_queue_erase(partition.c_str()); |
| } |
| flash_buf(partition.c_str(), &buf); |
| }; |
| do_for_partitions(transport, images[i].part_name, slot, flashall, false); |
| } |
| |
| if (slot_override == "all") { |
| set_active(transport, "a"); |
| } else { |
| set_active(transport, slot_override); |
| } |
| } |
| |
| #define skip(n) do { argc -= (n); argv += (n); } while (0) |
| #define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0) |
| |
| static int do_bypass_unlock_command(int argc, char **argv) |
| { |
| if (argc <= 2) return 0; |
| skip(2); |
| |
| /* |
| * Process unlock_bootloader, we have to load the message file |
| * and send that to the remote device. |
| */ |
| require(1); |
| |
| int64_t sz; |
| void* data = load_file(*argv, &sz); |
| if (data == nullptr) die("could not load '%s': %s", *argv, strerror(errno)); |
| fb_queue_download("unlock_message", data, sz); |
| fb_queue_command("flashing unlock_bootloader", "unlocking bootloader"); |
| skip(1); |
| return 0; |
| } |
| |
| static int do_oem_command(int argc, char** argv) { |
| if (argc <= 1) return 0; |
| |
| std::string command; |
| while (argc > 0) { |
| command += *argv; |
| skip(1); |
| if (argc != 0) command += " "; |
| } |
| |
| fb_queue_command(command.c_str(), ""); |
| return 0; |
| } |
| |
| static int64_t parse_num(const char *arg) |
| { |
| char *endptr; |
| unsigned long long num; |
| |
| num = strtoull(arg, &endptr, 0); |
| if (endptr == arg) { |
| return -1; |
| } |
| |
| if (*endptr == 'k' || *endptr == 'K') { |
| if (num >= (-1ULL) / 1024) { |
| return -1; |
| } |
| num *= 1024LL; |
| endptr++; |
| } else if (*endptr == 'm' || *endptr == 'M') { |
| if (num >= (-1ULL) / (1024 * 1024)) { |
| return -1; |
| } |
| num *= 1024LL * 1024LL; |
| endptr++; |
| } else if (*endptr == 'g' || *endptr == 'G') { |
| if (num >= (-1ULL) / (1024 * 1024 * 1024)) { |
| return -1; |
| } |
| num *= 1024LL * 1024LL * 1024LL; |
| endptr++; |
| } |
| |
| if (*endptr != '\0') { |
| return -1; |
| } |
| |
| if (num > INT64_MAX) { |
| return -1; |
| } |
| |
| return num; |
| } |
| |
| 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(Transport* transport, std::string name) { |
| std::string sizeString; |
| if (!fb_getvar(transport, name.c_str(), &sizeString)) { |
| /* 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 < 4096 || (size & (size - 1)) != 0) { |
| fprintf(stderr, "Invalid %s %u: must be a power of 2 and at least 4096.\n", |
| name.c_str(), size); |
| return 0; |
| } |
| return size; |
| } |
| |
| static void fb_perform_format(Transport* transport, |
| const char* partition, int skip_if_not_supported, |
| const char* type_override, const char* 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; |
| int 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(transport, std::string("partition-type:") + partition, &partition_type)) { |
| errMsg = "Can't determine partition type.\n"; |
| goto failed; |
| } |
| if (type_override) { |
| if (partition_type != type_override) { |
| fprintf(stderr, "Warning: %s type is %s, but %s was requested for formatting.\n", |
| partition, partition_type.c_str(), type_override); |
| } |
| partition_type = type_override; |
| } |
| |
| if (!fb_getvar(transport, std::string("partition-size:") + partition, &partition_size)) { |
| errMsg = "Unable to get partition size\n"; |
| goto failed; |
| } |
| if (size_override) { |
| if (partition_size != size_override) { |
| fprintf(stderr, "Warning: %s size is %s, but %s was requested for formatting.\n", |
| partition, partition_size.c_str(), size_override); |
| } |
| 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; |
| } |
| |
| fd = fileno(tmpfile()); |
| |
| unsigned eraseBlkSize, logicalBlkSize; |
| eraseBlkSize = fb_get_flash_block_size(transport, "erase-block-size"); |
| logicalBlkSize = fb_get_flash_block_size(transport, "logical-block-size"); |
| |
| if (fs_generator_generate(gen, fd, size, initial_dir, eraseBlkSize, logicalBlkSize)) { |
| fprintf(stderr, "Cannot generate image: %s\n", strerror(errno)); |
| close(fd); |
| return; |
| } |
| |
| if (!load_buf_fd(transport, fd, &buf)) { |
| fprintf(stderr, "Cannot read image: %s\n", strerror(errno)); |
| close(fd); |
| 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 main(int argc, char **argv) |
| { |
| bool wants_wipe = false; |
| bool wants_reboot = false; |
| bool wants_reboot_bootloader = false; |
| bool wants_reboot_emergency = false; |
| bool skip_reboot = false; |
| bool wants_set_active = false; |
| bool skip_secondary = false; |
| bool erase_first = true; |
| bool set_fbe_marker = false; |
| void *data; |
| int64_t sz; |
| int longindex; |
| std::string slot_override; |
| std::string next_active; |
| |
| const struct option longopts[] = { |
| {"base", required_argument, 0, 'b'}, |
| {"kernel_offset", required_argument, 0, 'k'}, |
| {"kernel-offset", required_argument, 0, 'k'}, |
| {"page_size", required_argument, 0, 'n'}, |
| {"page-size", required_argument, 0, 'n'}, |
| {"ramdisk_offset", required_argument, 0, 'r'}, |
| {"ramdisk-offset", required_argument, 0, 'r'}, |
| {"tags_offset", required_argument, 0, 't'}, |
| {"tags-offset", required_argument, 0, 't'}, |
| {"help", no_argument, 0, 'h'}, |
| {"unbuffered", no_argument, 0, 0}, |
| {"version", no_argument, 0, 0}, |
| {"slot", required_argument, 0, 0}, |
| {"set_active", optional_argument, 0, 'a'}, |
| {"set-active", optional_argument, 0, 'a'}, |
| {"skip-secondary", no_argument, 0, 0}, |
| {"skip-reboot", no_argument, 0, 0}, |
| #if !defined(_WIN32) |
| {"wipe-and-use-fbe", no_argument, 0, 0}, |
| #endif |
| {0, 0, 0, 0} |
| }; |
| |
| serial = getenv("ANDROID_SERIAL"); |
| |
| while (1) { |
| int c = getopt_long(argc, argv, "wub:k:n:r:t:s:S:lp:c:i:m:ha::", longopts, &longindex); |
| if (c < 0) { |
| break; |
| } |
| /* Alphabetical cases */ |
| switch (c) { |
| case 'a': |
| wants_set_active = true; |
| if (optarg) |
| next_active = optarg; |
| break; |
| case 'b': |
| base_addr = strtoul(optarg, 0, 16); |
| break; |
| case 'c': |
| cmdline = optarg; |
| break; |
| case 'h': |
| usage(); |
| return 1; |
| case 'i': { |
| char *endptr = nullptr; |
| unsigned long val; |
| |
| val = strtoul(optarg, &endptr, 0); |
| if (!endptr || *endptr != '\0' || (val & ~0xffff)) |
| die("invalid vendor id '%s'", optarg); |
| vendor_id = (unsigned short)val; |
| break; |
| } |
| case 'k': |
| kernel_offset = strtoul(optarg, 0, 16); |
| break; |
| case 'l': |
| long_listing = 1; |
| break; |
| case 'n': |
| page_size = (unsigned)strtoul(optarg, nullptr, 0); |
| if (!page_size) die("invalid page size"); |
| break; |
| case 'p': |
| product = optarg; |
| break; |
| case 'r': |
| ramdisk_offset = strtoul(optarg, 0, 16); |
| break; |
| case 't': |
| tags_offset = strtoul(optarg, 0, 16); |
| break; |
| case 's': |
| serial = optarg; |
| break; |
| case 'S': |
| sparse_limit = parse_num(optarg); |
| if (sparse_limit < 0) { |
| die("invalid sparse limit"); |
| } |
| break; |
| case 'u': |
| erase_first = false; |
| break; |
| case 'w': |
| wants_wipe = true; |
| break; |
| case '?': |
| return 1; |
| case 0: |
| if (strcmp("unbuffered", longopts[longindex].name) == 0) { |
| setvbuf(stdout, nullptr, _IONBF, 0); |
| setvbuf(stderr, nullptr, _IONBF, 0); |
| } else if (strcmp("version", longopts[longindex].name) == 0) { |
| fprintf(stdout, "fastboot version %s\n", FASTBOOT_REVISION); |
| fprintf(stdout, "Installed as %s\n", android::base::GetExecutablePath().c_str()); |
| return 0; |
| } else if (strcmp("slot", longopts[longindex].name) == 0) { |
| slot_override = std::string(optarg); |
| } else if (strcmp("skip-secondary", longopts[longindex].name) == 0 ) { |
| skip_secondary = true; |
| } else if (strcmp("skip-reboot", longopts[longindex].name) == 0 ) { |
| skip_reboot = true; |
| #if !defined(_WIN32) |
| } else if (strcmp("wipe-and-use-fbe", longopts[longindex].name) == 0) { |
| wants_wipe = true; |
| set_fbe_marker = true; |
| #endif |
| } else { |
| fprintf(stderr, "Internal error in options processing for %s\n", |
| longopts[longindex].name); |
| return 1; |
| } |
| break; |
| default: |
| abort(); |
| } |
| } |
| |
| argc -= optind; |
| argv += optind; |
| |
| if (argc == 0 && !wants_wipe && !wants_set_active) { |
| usage(); |
| return 1; |
| } |
| |
| if (argc > 0 && !strcmp(*argv, "devices")) { |
| skip(1); |
| list_devices(); |
| return 0; |
| } |
| |
| if (argc > 0 && !strcmp(*argv, "help")) { |
| usage(); |
| return 0; |
| } |
| |
| Transport* transport = open_device(); |
| if (transport == nullptr) { |
| return 1; |
| } |
| |
| if (!supports_AB(transport) && supports_AB_obsolete(transport)) { |
| fprintf(stderr, "Warning: Device A/B support is outdated. Bootloader update required.\n"); |
| } |
| if (slot_override != "") slot_override = verify_slot(transport, slot_override); |
| if (next_active != "") next_active = verify_slot(transport, next_active, false); |
| |
| if (wants_set_active) { |
| if (next_active == "") { |
| if (slot_override == "") { |
| std::string current_slot; |
| if (fb_getvar(transport, "current-slot", ¤t_slot)) { |
| next_active = verify_slot(transport, current_slot, false); |
| } else { |
| wants_set_active = false; |
| } |
| } else { |
| next_active = verify_slot(transport, slot_override, false); |
| } |
| } |
| } |
| |
| while (argc > 0) { |
| if (!strcmp(*argv, "getvar")) { |
| require(2); |
| fb_queue_display(argv[1], argv[1]); |
| skip(2); |
| } else if(!strcmp(*argv, "erase")) { |
| require(2); |
| |
| auto erase = [&](const std::string &partition) { |
| std::string partition_type; |
| if (fb_getvar(transport, std::string("partition-type:") + argv[1], &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.c_str()); |
| }; |
| do_for_partitions(transport, argv[1], slot_override, erase, true); |
| skip(2); |
| } else if(!strncmp(*argv, "format", strlen("format"))) { |
| char *overrides; |
| char *type_override = nullptr; |
| char *size_override = nullptr; |
| require(2); |
| /* |
| * Parsing for: "format[:[type][:[size]]]" |
| * Some valid things: |
| * - select ontly the size, and leave default fs type: |
| * format::0x4000000 userdata |
| * - default fs type and size: |
| * format userdata |
| * format:: userdata |
| */ |
| overrides = strchr(*argv, ':'); |
| if (overrides) { |
| overrides++; |
| size_override = strchr(overrides, ':'); |
| if (size_override) { |
| size_override[0] = '\0'; |
| size_override++; |
| } |
| type_override = overrides; |
| } |
| if (type_override && !type_override[0]) type_override = nullptr; |
| if (size_override && !size_override[0]) size_override = nullptr; |
| |
| auto format = [&](const std::string &partition) { |
| if (erase_first && needs_erase(transport, partition.c_str())) { |
| fb_queue_erase(partition.c_str()); |
| } |
| fb_perform_format(transport, partition.c_str(), 0, |
| type_override, size_override, ""); |
| }; |
| do_for_partitions(transport, argv[1], slot_override, format, true); |
| skip(2); |
| } else if(!strcmp(*argv, "signature")) { |
| require(2); |
| data = load_file(argv[1], &sz); |
| if (data == nullptr) die("could not load '%s': %s", argv[1], strerror(errno)); |
| if (sz != 256) die("signature must be 256 bytes"); |
| fb_queue_download("signature", data, sz); |
| fb_queue_command("signature", "installing signature"); |
| skip(2); |
| } else if(!strcmp(*argv, "reboot")) { |
| wants_reboot = true; |
| skip(1); |
| if (argc > 0) { |
| if (!strcmp(*argv, "bootloader")) { |
| wants_reboot = false; |
| wants_reboot_bootloader = true; |
| skip(1); |
| } else if (!strcmp(*argv, "emergency")) { |
| wants_reboot = false; |
| wants_reboot_emergency = true; |
| skip(1); |
| } |
| } |
| require(0); |
| } else if(!strcmp(*argv, "reboot-bootloader")) { |
| wants_reboot_bootloader = true; |
| skip(1); |
| } else if (!strcmp(*argv, "continue")) { |
| fb_queue_command("continue", "resuming boot"); |
| skip(1); |
| } else if(!strcmp(*argv, "boot")) { |
| char *kname = 0; |
| char *rname = 0; |
| char *sname = 0; |
| skip(1); |
| if (argc > 0) { |
| kname = argv[0]; |
| skip(1); |
| } |
| if (argc > 0) { |
| rname = argv[0]; |
| skip(1); |
| } |
| if (argc > 0) { |
| sname = argv[0]; |
| skip(1); |
| } |
| data = load_bootable_image(kname, rname, sname, &sz, cmdline); |
| if (data == 0) return 1; |
| fb_queue_download("boot.img", data, sz); |
| fb_queue_command("boot", "booting"); |
| } else if(!strcmp(*argv, "flash")) { |
| char* pname = argv[1]; |
| std::string fname; |
| require(2); |
| if (argc > 2) { |
| fname = argv[2]; |
| skip(3); |
| } else { |
| fname = find_item(pname, product); |
| skip(2); |
| } |
| if (fname.empty()) die("cannot determine image filename for '%s'", pname); |
| |
| auto flash = [&](const std::string &partition) { |
| if (erase_first && needs_erase(transport, partition.c_str())) { |
| fb_queue_erase(partition.c_str()); |
| } |
| do_flash(transport, partition.c_str(), fname.c_str()); |
| }; |
| do_for_partitions(transport, pname, slot_override, flash, true); |
| } else if(!strcmp(*argv, "flash:raw")) { |
| char *kname = argv[2]; |
| char *rname = 0; |
| char *sname = 0; |
| require(3); |
| skip(3); |
| if (argc > 0) { |
| rname = argv[0]; |
| skip(1); |
| } |
| if (argc > 0) { |
| sname = argv[0]; |
| skip(1); |
| } |
| data = load_bootable_image(kname, rname, sname, &sz, cmdline); |
| if (data == 0) die("cannot load bootable image"); |
| auto flashraw = [&](const std::string &partition) { |
| fb_queue_flash(partition.c_str(), data, sz); |
| }; |
| do_for_partitions(transport, argv[1], slot_override, flashraw, true); |
| } else if(!strcmp(*argv, "flashall")) { |
| skip(1); |
| if (slot_override == "all") { |
| fprintf(stderr, "Warning: slot set to 'all'. Secondary slots will not be flashed.\n"); |
| do_flashall(transport, slot_override, erase_first, true); |
| } else { |
| do_flashall(transport, slot_override, erase_first, skip_secondary); |
| } |
| wants_reboot = true; |
| } else if(!strcmp(*argv, "update")) { |
| bool slot_all = (slot_override == "all"); |
| if (slot_all) { |
| fprintf(stderr, "Warning: slot set to 'all'. Secondary slots will not be flashed.\n"); |
| } |
| if (argc > 1) { |
| do_update(transport, argv[1], slot_override, erase_first, skip_secondary || slot_all); |
| skip(2); |
| } else { |
| do_update(transport, "update.zip", slot_override, erase_first, skip_secondary || slot_all); |
| skip(1); |
| } |
| wants_reboot = true; |
| } else if(!strcmp(*argv, "set_active")) { |
| require(2); |
| std::string slot = verify_slot(transport, std::string(argv[1]), false); |
| // Legacy support: verify_slot() removes leading underscores, we need to put them back |
| // in for old bootloaders. Legacy bootloaders do not have the slot-count variable but |
| // do have slot-suffixes. |
| std::string var; |
| if (!fb_getvar(transport, "slot-count", &var) && |
| fb_getvar(transport, "slot-suffixes", &var)) { |
| slot = "_" + slot; |
| } |
| fb_set_active(slot.c_str()); |
| skip(2); |
| } else if(!strcmp(*argv, "oem")) { |
| argc = do_oem_command(argc, argv); |
| } else if(!strcmp(*argv, "flashing")) { |
| if (argc == 2 && (!strcmp(*(argv+1), "unlock") || |
| !strcmp(*(argv+1), "lock") || |
| !strcmp(*(argv+1), "unlock_critical") || |
| !strcmp(*(argv+1), "lock_critical") || |
| !strcmp(*(argv+1), "get_unlock_ability") || |
| !strcmp(*(argv+1), "get_unlock_bootloader_nonce") || |
| !strcmp(*(argv+1), "lock_bootloader"))) { |
| argc = do_oem_command(argc, argv); |
| } else |
| if (argc == 3 && !strcmp(*(argv+1), "unlock_bootloader")) { |
| argc = do_bypass_unlock_command(argc, argv); |
| } else { |
| usage(); |
| return 1; |
| } |
| } else { |
| usage(); |
| return 1; |
| } |
| } |
| |
| if (wants_wipe) { |
| fprintf(stderr, "wiping userdata...\n"); |
| fb_queue_erase("userdata"); |
| if (set_fbe_marker) { |
| fprintf(stderr, "setting FBE marker...\n"); |
| std::string initial_userdata_dir = create_fbemarker_tmpdir(); |
| if (initial_userdata_dir.empty()) { |
| return 1; |
| } |
| fb_perform_format(transport, "userdata", 1, nullptr, nullptr, initial_userdata_dir); |
| delete_fbemarker_tmpdir(initial_userdata_dir); |
| } else { |
| fb_perform_format(transport, "userdata", 1, nullptr, nullptr, ""); |
| } |
| |
| std::string cache_type; |
| if (fb_getvar(transport, "partition-type:cache", &cache_type) && !cache_type.empty()) { |
| fprintf(stderr, "wiping cache...\n"); |
| fb_queue_erase("cache"); |
| fb_perform_format(transport, "cache", 1, nullptr, nullptr, ""); |
| } |
| } |
| if (wants_set_active) { |
| fb_set_active(next_active.c_str()); |
| } |
| 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_emergency) { |
| fb_queue_command("reboot-emergency", "rebooting into emergency download (EDL) mode"); |
| fb_queue_wait_for_disconnect(); |
| } |
| |
| return fb_execute_queue(transport) ? EXIT_FAILURE : EXIT_SUCCESS; |
| } |