1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #define _LARGEFILE64_SOURCE 30 31 #include <ctype.h> 32 #include <errno.h> 33 #include <fcntl.h> 34 #include <getopt.h> 35 #include <inttypes.h> 36 #include <limits.h> 37 #include <stdint.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <sys/stat.h> 42 #include <sys/time.h> 43 #include <sys/types.h> 44 #include <unistd.h> 45 46 #include <functional> 47 #include <utility> 48 #include <vector> 49 50 #include <android-base/parseint.h> 51 #include <android-base/parsenetaddress.h> 52 #include <android-base/stringprintf.h> 53 #include <android-base/strings.h> 54 #include <sparse/sparse.h> 55 #include <ziparchive/zip_archive.h> 56 57 #include "bootimg_utils.h" 58 #include "diagnose_usb.h" 59 #include "fastboot.h" 60 #include "fs.h" 61 #include "tcp.h" 62 #include "transport.h" 63 #include "udp.h" 64 #include "usb.h" 65 66 #ifndef O_BINARY 67 #define O_BINARY 0 68 #endif 69 70 #define ARRAY_SIZE(a) (sizeof(a)/sizeof(*(a))) 71 72 char cur_product[FB_RESPONSE_SZ + 1]; 73 74 static const char* serial = nullptr; 75 static const char* product = nullptr; 76 static const char* cmdline = nullptr; 77 static unsigned short vendor_id = 0; 78 static int long_listing = 0; 79 static int64_t sparse_limit = -1; 80 static int64_t target_sparse_limit = -1; 81 82 static unsigned page_size = 2048; 83 static unsigned base_addr = 0x10000000; 84 static unsigned kernel_offset = 0x00008000; 85 static unsigned ramdisk_offset = 0x01000000; 86 static unsigned second_offset = 0x00f00000; 87 static unsigned tags_offset = 0x00000100; 88 89 static const std::string convert_fbe_marker_filename("convert_fbe"); 90 91 enum fb_buffer_type { 92 FB_BUFFER, 93 FB_BUFFER_SPARSE, 94 }; 95 96 struct fastboot_buffer { 97 enum fb_buffer_type type; 98 void* data; 99 int64_t sz; 100 }; 101 102 static struct { 103 char img_name[17]; 104 char sig_name[17]; 105 char part_name[9]; 106 bool is_optional; 107 bool is_secondary; 108 } images[] = { 109 {"boot.img", "boot.sig", "boot", false, false}, 110 {"boot_other.img", "boot.sig", "boot", true, true}, 111 {"recovery.img", "recovery.sig", "recovery", true, false}, 112 {"system.img", "system.sig", "system", false, false}, 113 {"system_other.img", "system.sig", "system", true, true}, 114 {"vendor.img", "vendor.sig", "vendor", true, false}, 115 {"vendor_other.img", "vendor.sig", "vendor", true, true}, 116 }; 117 118 static std::string find_item_given_name(const char* img_name, const char* product) { 119 char path_c_str[PATH_MAX + 128]; 120 121 if(product) { 122 get_my_path(path_c_str); 123 std::string path = path_c_str; 124 path.erase(path.find_last_of('/')); 125 return android::base::StringPrintf("%s/../../../target/product/%s/%s", 126 path.c_str(), product, img_name); 127 } 128 129 char *dir = getenv("ANDROID_PRODUCT_OUT"); 130 if (dir == nullptr || dir[0] == '\0') { 131 die("neither -p product specified nor ANDROID_PRODUCT_OUT set"); 132 } 133 134 return android::base::StringPrintf("%s/%s", dir, img_name); 135 } 136 137 std::string find_item(const char* item, const char* product) { 138 const char *fn; 139 140 if(!strcmp(item,"boot")) { 141 fn = "boot.img"; 142 } else if(!strcmp(item,"recovery")) { 143 fn = "recovery.img"; 144 } else if(!strcmp(item,"system")) { 145 fn = "system.img"; 146 } else if(!strcmp(item,"vendor")) { 147 fn = "vendor.img"; 148 } else if(!strcmp(item,"userdata")) { 149 fn = "userdata.img"; 150 } else if(!strcmp(item,"cache")) { 151 fn = "cache.img"; 152 } else if(!strcmp(item,"info")) { 153 fn = "android-info.txt"; 154 } else { 155 fprintf(stderr,"unknown partition '%s'\n", item); 156 return ""; 157 } 158 159 return find_item_given_name(fn, product); 160 } 161 162 static int64_t get_file_size(int fd) { 163 struct stat sb; 164 return fstat(fd, &sb) == -1 ? -1 : sb.st_size; 165 } 166 167 static void* load_fd(int fd, int64_t* sz) { 168 int errno_tmp; 169 char* data = nullptr; 170 171 *sz = get_file_size(fd); 172 if (*sz < 0) { 173 goto oops; 174 } 175 176 data = (char*) malloc(*sz); 177 if (data == nullptr) goto oops; 178 179 if(read(fd, data, *sz) != *sz) goto oops; 180 close(fd); 181 182 return data; 183 184 oops: 185 errno_tmp = errno; 186 close(fd); 187 if(data != 0) free(data); 188 errno = errno_tmp; 189 return 0; 190 } 191 192 static void* load_file(const char* fn, int64_t* sz) { 193 int fd = open(fn, O_RDONLY | O_BINARY); 194 if (fd == -1) return nullptr; 195 return load_fd(fd, sz); 196 } 197 198 static int match_fastboot_with_serial(usb_ifc_info* info, const char* local_serial) { 199 // Require a matching vendor id if the user specified one with -i. 200 if (vendor_id != 0 && info->dev_vendor != vendor_id) { 201 return -1; 202 } 203 204 if (info->ifc_class != 0xff || info->ifc_subclass != 0x42 || info->ifc_protocol != 0x03) { 205 return -1; 206 } 207 208 // require matching serial number or device path if requested 209 // at the command line with the -s option. 210 if (local_serial && (strcmp(local_serial, info->serial_number) != 0 && 211 strcmp(local_serial, info->device_path) != 0)) return -1; 212 return 0; 213 } 214 215 static int match_fastboot(usb_ifc_info* info) { 216 return match_fastboot_with_serial(info, serial); 217 } 218 219 static int list_devices_callback(usb_ifc_info* info) { 220 if (match_fastboot_with_serial(info, nullptr) == 0) { 221 std::string serial = info->serial_number; 222 if (!info->writable) { 223 serial = UsbNoPermissionsShortHelpText(); 224 } 225 if (!serial[0]) { 226 serial = "????????????"; 227 } 228 // output compatible with "adb devices" 229 if (!long_listing) { 230 printf("%s\tfastboot", serial.c_str()); 231 } else { 232 printf("%-22s fastboot", serial.c_str()); 233 if (strlen(info->device_path) > 0) printf(" %s", info->device_path); 234 } 235 putchar('\n'); 236 } 237 238 return -1; 239 } 240 241 // Opens a new Transport connected to a device. If |serial| is non-null it will be used to identify 242 // a specific device, otherwise the first USB device found will be used. 243 // 244 // If |serial| is non-null but invalid, this prints an error message to stderr and returns nullptr. 245 // Otherwise it blocks until the target is available. 246 // 247 // The returned Transport is a singleton, so multiple calls to this function will return the same 248 // object, and the caller should not attempt to delete the returned Transport. 249 static Transport* open_device() { 250 static Transport* transport = nullptr; 251 bool announce = true; 252 253 if (transport != nullptr) { 254 return transport; 255 } 256 257 Socket::Protocol protocol = Socket::Protocol::kTcp; 258 std::string host; 259 int port = 0; 260 if (serial != nullptr) { 261 const char* net_address = nullptr; 262 263 if (android::base::StartsWith(serial, "tcp:")) { 264 protocol = Socket::Protocol::kTcp; 265 port = tcp::kDefaultPort; 266 net_address = serial + strlen("tcp:"); 267 } else if (android::base::StartsWith(serial, "udp:")) { 268 protocol = Socket::Protocol::kUdp; 269 port = udp::kDefaultPort; 270 net_address = serial + strlen("udp:"); 271 } 272 273 if (net_address != nullptr) { 274 std::string error; 275 if (!android::base::ParseNetAddress(net_address, &host, &port, nullptr, &error)) { 276 fprintf(stderr, "error: Invalid network address '%s': %s\n", net_address, 277 error.c_str()); 278 return nullptr; 279 } 280 } 281 } 282 283 while (true) { 284 if (!host.empty()) { 285 std::string error; 286 if (protocol == Socket::Protocol::kTcp) { 287 transport = tcp::Connect(host, port, &error).release(); 288 } else if (protocol == Socket::Protocol::kUdp) { 289 transport = udp::Connect(host, port, &error).release(); 290 } 291 292 if (transport == nullptr && announce) { 293 fprintf(stderr, "error: %s\n", error.c_str()); 294 } 295 } else { 296 transport = usb_open(match_fastboot); 297 } 298 299 if (transport != nullptr) { 300 return transport; 301 } 302 303 if (announce) { 304 announce = false; 305 fprintf(stderr, "< waiting for %s >\n", serial ? serial : "any device"); 306 } 307 usleep(1000); 308 } 309 } 310 311 static void list_devices() { 312 // We don't actually open a USB device here, 313 // just getting our callback called so we can 314 // list all the connected devices. 315 usb_open(list_devices_callback); 316 } 317 318 static void usage() { 319 fprintf(stderr, 320 /* 1234567890123456789012345678901234567890123456789012345678901234567890123456 */ 321 "usage: fastboot [ <option> ] <command>\n" 322 "\n" 323 "commands:\n" 324 " update <filename> Reflash device from update.zip.\n" 325 " Sets the flashed slot as active.\n" 326 " flashall Flash boot, system, vendor, and --\n" 327 " if found -- recovery. If the device\n" 328 " supports slots, the slot that has\n" 329 " been flashed to is set as active.\n" 330 " Secondary images may be flashed to\n" 331 " an inactive slot.\n" 332 " flash <partition> [ <filename> ] Write a file to a flash partition.\n" 333 " flashing lock Locks the device. Prevents flashing.\n" 334 " flashing unlock Unlocks the device. Allows flashing\n" 335 " any partition except\n" 336 " bootloader-related partitions.\n" 337 " flashing lock_critical Prevents flashing bootloader-related\n" 338 " partitions.\n" 339 " flashing unlock_critical Enables flashing bootloader-related\n" 340 " partitions.\n" 341 " flashing get_unlock_ability Queries bootloader to see if the\n" 342 " device is unlocked.\n" 343 " flashing get_unlock_bootloader_nonce Queries the bootloader to get the\n" 344 " unlock nonce.\n" 345 " flashing unlock_bootloader <request> Issue unlock bootloader using request.\n" 346 " flashing lock_bootloader Locks the bootloader to prevent\n" 347 " bootloader version rollback.\n" 348 " erase <partition> Erase a flash partition.\n" 349 " format[:[<fs type>][:[<size>]] <partition>\n" 350 " Format a flash partition. Can\n" 351 " override the fs type and/or size\n" 352 " the bootloader reports.\n" 353 " getvar <variable> Display a bootloader variable.\n" 354 " set_active <slot> Sets the active slot. If slots are\n" 355 " not supported, this does nothing.\n" 356 " boot <kernel> [ <ramdisk> [ <second> ] ] Download and boot kernel.\n" 357 " flash:raw boot <kernel> [ <ramdisk> [ <second> ] ]\n" 358 " Create bootimage and flash it.\n" 359 " devices [-l] List all connected devices [with\n" 360 " device paths].\n" 361 " continue Continue with autoboot.\n" 362 " reboot [bootloader] Reboot device [into bootloader].\n" 363 " reboot-bootloader Reboot device into bootloader.\n" 364 " help Show this help message.\n" 365 "\n" 366 "options:\n" 367 " -w Erase userdata and cache (and format\n" 368 " if supported by partition type).\n" 369 " -u Do not erase partition before\n" 370 " formatting.\n" 371 " -s <specific device> Specify a device. For USB, provide either\n" 372 " a serial number or path to device port.\n" 373 " For ethernet, provide an address in the\n" 374 " form <protocol>:<hostname>[:port] where\n" 375 " <protocol> is either tcp or udp.\n" 376 " -p <product> Specify product name.\n" 377 " -c <cmdline> Override kernel commandline.\n" 378 " -i <vendor id> Specify a custom USB vendor id.\n" 379 " -b, --base <base_addr> Specify a custom kernel base\n" 380 " address (default: 0x10000000).\n" 381 " --kernel-offset Specify a custom kernel offset.\n" 382 " (default: 0x00008000)\n" 383 " --ramdisk-offset Specify a custom ramdisk offset.\n" 384 " (default: 0x01000000)\n" 385 " --tags-offset Specify a custom tags offset.\n" 386 " (default: 0x00000100)\n" 387 " -n, --page-size <page size> Specify the nand page size\n" 388 " (default: 2048).\n" 389 " -S <size>[K|M|G] Automatically sparse files greater\n" 390 " than 'size'. 0 to disable.\n" 391 " --slot <slot> Specify slot name to be used if the\n" 392 " device supports slots. All operations\n" 393 " on partitions that support slots will\n" 394 " be done on the slot specified.\n" 395 " 'all' can be given to refer to all slots.\n" 396 " 'other' can be given to refer to a\n" 397 " non-current slot. If this flag is not\n" 398 " used, slotted partitions will default\n" 399 " to the current active slot.\n" 400 " -a, --set-active[=<slot>] Sets the active slot. If no slot is\n" 401 " provided, this will default to the value\n" 402 " given by --slot. If slots are not\n" 403 " supported, this sets the current slot\n" 404 " to be active. This will run after all\n" 405 " non-reboot commands.\n" 406 " --skip-secondary Will not flash secondary slots when\n" 407 " performing a flashall or update. This\n" 408 " will preserve data on other slots.\n" 409 #if !defined(_WIN32) 410 " --wipe-and-use-fbe On devices which support it,\n" 411 " erase userdata and cache, and\n" 412 " enable file-based encryption\n" 413 #endif 414 " --unbuffered Do not buffer input or output.\n" 415 " --version Display version.\n" 416 " -h, --help show this message.\n" 417 ); 418 } 419 420 static void* load_bootable_image(const char* kernel, const char* ramdisk, 421 const char* secondstage, int64_t* sz, 422 const char* cmdline) { 423 if (kernel == nullptr) { 424 fprintf(stderr, "no image specified\n"); 425 return 0; 426 } 427 428 int64_t ksize; 429 void* kdata = load_file(kernel, &ksize); 430 if (kdata == nullptr) { 431 fprintf(stderr, "cannot load '%s': %s\n", kernel, strerror(errno)); 432 return 0; 433 } 434 435 // Is this actually a boot image? 436 if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) { 437 if (cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline); 438 439 if (ramdisk) { 440 fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n"); 441 return 0; 442 } 443 444 *sz = ksize; 445 return kdata; 446 } 447 448 void* rdata = nullptr; 449 int64_t rsize = 0; 450 if (ramdisk) { 451 rdata = load_file(ramdisk, &rsize); 452 if (rdata == nullptr) { 453 fprintf(stderr,"cannot load '%s': %s\n", ramdisk, strerror(errno)); 454 return 0; 455 } 456 } 457 458 void* sdata = nullptr; 459 int64_t ssize = 0; 460 if (secondstage) { 461 sdata = load_file(secondstage, &ssize); 462 if (sdata == nullptr) { 463 fprintf(stderr,"cannot load '%s': %s\n", secondstage, strerror(errno)); 464 return 0; 465 } 466 } 467 468 fprintf(stderr,"creating boot image...\n"); 469 int64_t bsize = 0; 470 void* bdata = mkbootimg(kdata, ksize, kernel_offset, 471 rdata, rsize, ramdisk_offset, 472 sdata, ssize, second_offset, 473 page_size, base_addr, tags_offset, &bsize); 474 if (bdata == nullptr) { 475 fprintf(stderr,"failed to create boot.img\n"); 476 return 0; 477 } 478 if (cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline); 479 fprintf(stderr, "creating boot image - %" PRId64 " bytes\n", bsize); 480 *sz = bsize; 481 482 return bdata; 483 } 484 485 static void* unzip_file(ZipArchiveHandle zip, const char* entry_name, int64_t* sz) 486 { 487 ZipString zip_entry_name(entry_name); 488 ZipEntry zip_entry; 489 if (FindEntry(zip, zip_entry_name, &zip_entry) != 0) { 490 fprintf(stderr, "archive does not contain '%s'\n", entry_name); 491 return 0; 492 } 493 494 *sz = zip_entry.uncompressed_length; 495 496 uint8_t* data = reinterpret_cast<uint8_t*>(malloc(zip_entry.uncompressed_length)); 497 if (data == nullptr) { 498 fprintf(stderr, "failed to allocate %" PRId64 " bytes for '%s'\n", *sz, entry_name); 499 return 0; 500 } 501 502 int error = ExtractToMemory(zip, &zip_entry, data, zip_entry.uncompressed_length); 503 if (error != 0) { 504 fprintf(stderr, "failed to extract '%s': %s\n", entry_name, ErrorCodeString(error)); 505 free(data); 506 return 0; 507 } 508 509 return data; 510 } 511 512 #if defined(_WIN32) 513 514 // TODO: move this to somewhere it can be shared. 515 516 #include <windows.h> 517 518 // Windows' tmpfile(3) requires administrator rights because 519 // it creates temporary files in the root directory. 520 static FILE* win32_tmpfile() { 521 char temp_path[PATH_MAX]; 522 DWORD nchars = GetTempPath(sizeof(temp_path), temp_path); 523 if (nchars == 0 || nchars >= sizeof(temp_path)) { 524 fprintf(stderr, "GetTempPath failed, error %ld\n", GetLastError()); 525 return nullptr; 526 } 527 528 char filename[PATH_MAX]; 529 if (GetTempFileName(temp_path, "fastboot", 0, filename) == 0) { 530 fprintf(stderr, "GetTempFileName failed, error %ld\n", GetLastError()); 531 return nullptr; 532 } 533 534 return fopen(filename, "w+bTD"); 535 } 536 537 #define tmpfile win32_tmpfile 538 539 static std::string make_temporary_directory() { 540 fprintf(stderr, "make_temporary_directory not supported under Windows, sorry!"); 541 return ""; 542 } 543 544 #else 545 546 static std::string make_temporary_directory() { 547 const char *tmpdir = getenv("TMPDIR"); 548 if (tmpdir == nullptr) { 549 tmpdir = P_tmpdir; 550 } 551 std::string result = std::string(tmpdir) + "/fastboot_userdata_XXXXXX"; 552 if (mkdtemp(&result[0]) == NULL) { 553 fprintf(stderr, "Unable to create temporary directory: %s\n", 554 strerror(errno)); 555 return ""; 556 } 557 return result; 558 } 559 560 #endif 561 562 static std::string create_fbemarker_tmpdir() { 563 std::string dir = make_temporary_directory(); 564 if (dir.empty()) { 565 fprintf(stderr, "Unable to create local temp directory for FBE marker\n"); 566 return ""; 567 } 568 std::string marker_file = dir + "/" + convert_fbe_marker_filename; 569 int fd = open(marker_file.c_str(), O_CREAT | O_WRONLY | O_CLOEXEC, 0666); 570 if (fd == -1) { 571 fprintf(stderr, "Unable to create FBE marker file %s locally: %d, %s\n", 572 marker_file.c_str(), errno, strerror(errno)); 573 return ""; 574 } 575 close(fd); 576 return dir; 577 } 578 579 static void delete_fbemarker_tmpdir(const std::string& dir) { 580 std::string marker_file = dir + "/" + convert_fbe_marker_filename; 581 if (unlink(marker_file.c_str()) == -1) { 582 fprintf(stderr, "Unable to delete FBE marker file %s locally: %d, %s\n", 583 marker_file.c_str(), errno, strerror(errno)); 584 return; 585 } 586 if (rmdir(dir.c_str()) == -1) { 587 fprintf(stderr, "Unable to delete FBE marker directory %s locally: %d, %s\n", 588 dir.c_str(), errno, strerror(errno)); 589 return; 590 } 591 } 592 593 static int unzip_to_file(ZipArchiveHandle zip, char* entry_name) { 594 FILE* fp = tmpfile(); 595 if (fp == nullptr) { 596 fprintf(stderr, "failed to create temporary file for '%s': %s\n", 597 entry_name, strerror(errno)); 598 return -1; 599 } 600 601 ZipString zip_entry_name(entry_name); 602 ZipEntry zip_entry; 603 if (FindEntry(zip, zip_entry_name, &zip_entry) != 0) { 604 fprintf(stderr, "archive does not contain '%s'\n", entry_name); 605 return -1; 606 } 607 608 int fd = fileno(fp); 609 int error = ExtractEntryToFile(zip, &zip_entry, fd); 610 if (error != 0) { 611 fprintf(stderr, "failed to extract '%s': %s\n", entry_name, ErrorCodeString(error)); 612 return -1; 613 } 614 615 lseek(fd, 0, SEEK_SET); 616 return fd; 617 } 618 619 static char *strip(char *s) 620 { 621 int n; 622 while(*s && isspace(*s)) s++; 623 n = strlen(s); 624 while(n-- > 0) { 625 if(!isspace(s[n])) break; 626 s[n] = 0; 627 } 628 return s; 629 } 630 631 #define MAX_OPTIONS 32 632 static int setup_requirement_line(char *name) 633 { 634 char *val[MAX_OPTIONS]; 635 char *prod = nullptr; 636 unsigned n, count; 637 char *x; 638 int invert = 0; 639 640 if (!strncmp(name, "reject ", 7)) { 641 name += 7; 642 invert = 1; 643 } else if (!strncmp(name, "require ", 8)) { 644 name += 8; 645 invert = 0; 646 } else if (!strncmp(name, "require-for-product:", 20)) { 647 // Get the product and point name past it 648 prod = name + 20; 649 name = strchr(name, ' '); 650 if (!name) return -1; 651 *name = 0; 652 name += 1; 653 invert = 0; 654 } 655 656 x = strchr(name, '='); 657 if (x == 0) return 0; 658 *x = 0; 659 val[0] = x + 1; 660 661 for(count = 1; count < MAX_OPTIONS; count++) { 662 x = strchr(val[count - 1],'|'); 663 if (x == 0) break; 664 *x = 0; 665 val[count] = x + 1; 666 } 667 668 name = strip(name); 669 for(n = 0; n < count; n++) val[n] = strip(val[n]); 670 671 name = strip(name); 672 if (name == 0) return -1; 673 674 const char* var = name; 675 // Work around an unfortunate name mismatch. 676 if (!strcmp(name,"board")) var = "product"; 677 678 const char** out = reinterpret_cast<const char**>(malloc(sizeof(char*) * count)); 679 if (out == 0) return -1; 680 681 for(n = 0; n < count; n++) { 682 out[n] = strdup(strip(val[n])); 683 if (out[n] == 0) { 684 for(size_t i = 0; i < n; ++i) { 685 free((char*) out[i]); 686 } 687 free(out); 688 return -1; 689 } 690 } 691 692 fb_queue_require(prod, var, invert, n, out); 693 return 0; 694 } 695 696 static void setup_requirements(char* data, int64_t sz) { 697 char* s = data; 698 while (sz-- > 0) { 699 if (*s == '\n') { 700 *s++ = 0; 701 if (setup_requirement_line(data)) { 702 die("out of memory"); 703 } 704 data = s; 705 } else { 706 s++; 707 } 708 } 709 } 710 711 static void queue_info_dump() { 712 fb_queue_notice("--------------------------------------------"); 713 fb_queue_display("version-bootloader", "Bootloader Version..."); 714 fb_queue_display("version-baseband", "Baseband Version....."); 715 fb_queue_display("serialno", "Serial Number........"); 716 fb_queue_notice("--------------------------------------------"); 717 } 718 719 static struct sparse_file **load_sparse_files(int fd, int max_size) 720 { 721 struct sparse_file* s = sparse_file_import_auto(fd, false, true); 722 if (!s) { 723 die("cannot sparse read file\n"); 724 } 725 726 int files = sparse_file_resparse(s, max_size, nullptr, 0); 727 if (files < 0) { 728 die("Failed to resparse\n"); 729 } 730 731 sparse_file** out_s = reinterpret_cast<sparse_file**>(calloc(sizeof(struct sparse_file *), files + 1)); 732 if (!out_s) { 733 die("Failed to allocate sparse file array\n"); 734 } 735 736 files = sparse_file_resparse(s, max_size, out_s, files); 737 if (files < 0) { 738 die("Failed to resparse\n"); 739 } 740 741 return out_s; 742 } 743 744 static int64_t get_target_sparse_limit(Transport* transport) { 745 std::string max_download_size; 746 if (!fb_getvar(transport, "max-download-size", &max_download_size) || 747 max_download_size.empty()) { 748 fprintf(stderr, "target didn't report max-download-size\n"); 749 return 0; 750 } 751 752 // Some bootloaders (angler, for example) send spurious whitespace too. 753 max_download_size = android::base::Trim(max_download_size); 754 755 uint64_t limit; 756 if (!android::base::ParseUint(max_download_size.c_str(), &limit)) { 757 fprintf(stderr, "couldn't parse max-download-size '%s'\n", max_download_size.c_str()); 758 return 0; 759 } 760 if (limit > 0) { 761 fprintf(stderr, "target reported max download size of %" PRId64 " bytes\n", limit); 762 } 763 return limit; 764 } 765 766 static int64_t get_sparse_limit(Transport* transport, int64_t size) { 767 int64_t limit; 768 769 if (sparse_limit == 0) { 770 return 0; 771 } else if (sparse_limit > 0) { 772 limit = sparse_limit; 773 } else { 774 if (target_sparse_limit == -1) { 775 target_sparse_limit = get_target_sparse_limit(transport); 776 } 777 if (target_sparse_limit > 0) { 778 limit = target_sparse_limit; 779 } else { 780 return 0; 781 } 782 } 783 784 if (size > limit) { 785 return limit; 786 } 787 788 return 0; 789 } 790 791 // Until we get lazy inode table init working in make_ext4fs, we need to 792 // erase partitions of type ext4 before flashing a filesystem so no stale 793 // inodes are left lying around. Otherwise, e2fsck gets very upset. 794 static bool needs_erase(Transport* transport, const char* partition) { 795 std::string partition_type; 796 if (!fb_getvar(transport, std::string("partition-type:") + partition, &partition_type)) { 797 return false; 798 } 799 return partition_type == "ext4"; 800 } 801 802 static int load_buf_fd(Transport* transport, int fd, struct fastboot_buffer* buf) { 803 int64_t sz = get_file_size(fd); 804 if (sz == -1) { 805 return -1; 806 } 807 808 lseek64(fd, 0, SEEK_SET); 809 int64_t limit = get_sparse_limit(transport, sz); 810 if (limit) { 811 sparse_file** s = load_sparse_files(fd, limit); 812 if (s == nullptr) { 813 return -1; 814 } 815 buf->type = FB_BUFFER_SPARSE; 816 buf->data = s; 817 } else { 818 void* data = load_fd(fd, &sz); 819 if (data == nullptr) return -1; 820 buf->type = FB_BUFFER; 821 buf->data = data; 822 buf->sz = sz; 823 } 824 825 return 0; 826 } 827 828 static int load_buf(Transport* transport, const char *fname, struct fastboot_buffer *buf) 829 { 830 int fd; 831 832 fd = open(fname, O_RDONLY | O_BINARY); 833 if (fd < 0) { 834 return -1; 835 } 836 837 return load_buf_fd(transport, fd, buf); 838 } 839 840 static void flash_buf(const char *pname, struct fastboot_buffer *buf) 841 { 842 sparse_file** s; 843 844 switch (buf->type) { 845 case FB_BUFFER_SPARSE: { 846 std::vector<std::pair<sparse_file*, int64_t>> sparse_files; 847 s = reinterpret_cast<sparse_file**>(buf->data); 848 while (*s) { 849 int64_t sz = sparse_file_len(*s, true, false); 850 sparse_files.emplace_back(*s, sz); 851 ++s; 852 } 853 854 for (size_t i = 0; i < sparse_files.size(); ++i) { 855 const auto& pair = sparse_files[i]; 856 fb_queue_flash_sparse(pname, pair.first, pair.second, i + 1, sparse_files.size()); 857 } 858 break; 859 } 860 861 case FB_BUFFER: 862 fb_queue_flash(pname, buf->data, buf->sz); 863 break; 864 default: 865 die("unknown buffer type: %d", buf->type); 866 } 867 } 868 869 static std::string get_current_slot(Transport* transport) 870 { 871 std::string current_slot; 872 if (fb_getvar(transport, "current-slot", ¤t_slot)) { 873 if (current_slot == "_a") return "a"; // Legacy support 874 if (current_slot == "_b") return "b"; // Legacy support 875 return current_slot; 876 } 877 return ""; 878 } 879 880 // Legacy support 881 static std::vector<std::string> get_suffixes_obsolete(Transport* transport) { 882 std::vector<std::string> suffixes; 883 std::string suffix_list; 884 if (!fb_getvar(transport, "slot-suffixes", &suffix_list)) { 885 return suffixes; 886 } 887 suffixes = android::base::Split(suffix_list, ","); 888 // Unfortunately some devices will return an error message in the 889 // guise of a valid value. If we only see only one suffix, it's probably 890 // not real. 891 if (suffixes.size() == 1) { 892 suffixes.clear(); 893 } 894 return suffixes; 895 } 896 897 // Legacy support 898 static bool supports_AB_obsolete(Transport* transport) { 899 return !get_suffixes_obsolete(transport).empty(); 900 } 901 902 static int get_slot_count(Transport* transport) { 903 std::string var; 904 int count; 905 if (!fb_getvar(transport, "slot-count", &var)) { 906 if (supports_AB_obsolete(transport)) return 2; // Legacy support 907 } 908 if (!android::base::ParseInt(var.c_str(), &count)) return 0; 909 return count; 910 } 911 912 static bool supports_AB(Transport* transport) { 913 return get_slot_count(transport) >= 2; 914 } 915 916 // Given a current slot, this returns what the 'other' slot is. 917 static std::string get_other_slot(const std::string& current_slot, int count) { 918 if (count == 0) return ""; 919 920 char next = (current_slot[0] - 'a' + 1)%count + 'a'; 921 return std::string(1, next); 922 } 923 924 static std::string get_other_slot(Transport* transport, const std::string& current_slot) { 925 return get_other_slot(current_slot, get_slot_count(transport)); 926 } 927 928 static std::string get_other_slot(Transport* transport, int count) { 929 return get_other_slot(get_current_slot(transport), count); 930 } 931 932 static std::string get_other_slot(Transport* transport) { 933 return get_other_slot(get_current_slot(transport), get_slot_count(transport)); 934 } 935 936 static std::string verify_slot(Transport* transport, const std::string& slot_name, bool allow_all) { 937 std::string slot = slot_name; 938 if (slot == "_a") slot = "a"; // Legacy support 939 if (slot == "_b") slot = "b"; // Legacy support 940 if (slot == "all") { 941 if (allow_all) { 942 return "all"; 943 } else { 944 int count = get_slot_count(transport); 945 if (count > 0) { 946 return "a"; 947 } else { 948 die("No known slots."); 949 } 950 } 951 } 952 953 int count = get_slot_count(transport); 954 if (count == 0) die("Device does not support slots.\n"); 955 956 if (slot == "other") { 957 std::string other = get_other_slot(transport, count); 958 if (other == "") { 959 die("No known slots."); 960 } 961 return other; 962 } 963 964 if (slot.size() == 1 && (slot[0]-'a' >= 0 && slot[0]-'a' < count)) return slot; 965 966 fprintf(stderr, "Slot %s does not exist. supported slots are:\n", slot.c_str()); 967 for (int i=0; i<count; i++) { 968 fprintf(stderr, "%c\n", (char)(i + 'a')); 969 } 970 971 exit(1); 972 } 973 974 static std::string verify_slot(Transport* transport, const std::string& slot) { 975 return verify_slot(transport, slot, true); 976 } 977 978 static void do_for_partition(Transport* transport, const std::string& part, const std::string& slot, 979 std::function<void(const std::string&)> func, bool force_slot) { 980 std::string has_slot; 981 std::string current_slot; 982 983 if (!fb_getvar(transport, "has-slot:" + part, &has_slot)) { 984 /* If has-slot is not supported, the answer is no. */ 985 has_slot = "no"; 986 } 987 if (has_slot == "yes") { 988 if (slot == "") { 989 current_slot = get_current_slot(transport); 990 if (current_slot == "") { 991 die("Failed to identify current slot.\n"); 992 } 993 func(part + "_" + current_slot); 994 } else { 995 func(part + '_' + slot); 996 } 997 } else { 998 if (force_slot && slot != "") { 999 fprintf(stderr, "Warning: %s does not support slots, and slot %s was requested.\n", 1000 part.c_str(), slot.c_str()); 1001 } 1002 func(part); 1003 } 1004 } 1005 1006 /* This function will find the real partition name given a base name, and a slot. If slot is NULL or 1007 * empty, it will use the current slot. If slot is "all", it will return a list of all possible 1008 * partition names. If force_slot is true, it will fail if a slot is specified, and the given 1009 * partition does not support slots. 1010 */ 1011 static void do_for_partitions(Transport* transport, const std::string& part, const std::string& slot, 1012 std::function<void(const std::string&)> func, bool force_slot) { 1013 std::string has_slot; 1014 1015 if (slot == "all") { 1016 if (!fb_getvar(transport, "has-slot:" + part, &has_slot)) { 1017 die("Could not check if partition %s has slot.", part.c_str()); 1018 } 1019 if (has_slot == "yes") { 1020 for (int i=0; i < get_slot_count(transport); i++) { 1021 do_for_partition(transport, part, std::string(1, (char)(i + 'a')), func, force_slot); 1022 } 1023 } else { 1024 do_for_partition(transport, part, "", func, force_slot); 1025 } 1026 } else { 1027 do_for_partition(transport, part, slot, func, force_slot); 1028 } 1029 } 1030 1031 static void do_flash(Transport* transport, const char* pname, const char* fname) { 1032 struct fastboot_buffer buf; 1033 1034 if (load_buf(transport, fname, &buf)) { 1035 die("cannot load '%s'", fname); 1036 } 1037 flash_buf(pname, &buf); 1038 } 1039 1040 static void do_update_signature(ZipArchiveHandle zip, char* fn) { 1041 int64_t sz; 1042 void* data = unzip_file(zip, fn, &sz); 1043 if (data == nullptr) return; 1044 fb_queue_download("signature", data, sz); 1045 fb_queue_command("signature", "installing signature"); 1046 } 1047 1048 // Sets slot_override as the active slot. If slot_override is blank, 1049 // set current slot as active instead. This clears slot-unbootable. 1050 static void set_active(Transport* transport, const std::string& slot_override) { 1051 std::string separator = ""; 1052 if (!supports_AB(transport)) { 1053 if (supports_AB_obsolete(transport)) { 1054 separator = "_"; // Legacy support 1055 } else { 1056 return; 1057 } 1058 } 1059 if (slot_override != "") { 1060 fb_set_active((separator + slot_override).c_str()); 1061 } else { 1062 std::string current_slot = get_current_slot(transport); 1063 if (current_slot != "") { 1064 fb_set_active((separator + current_slot).c_str()); 1065 } 1066 } 1067 } 1068 1069 static void do_update(Transport* transport, const char* filename, const std::string& slot_override, bool erase_first, bool skip_secondary) { 1070 queue_info_dump(); 1071 1072 fb_queue_query_save("product", cur_product, sizeof(cur_product)); 1073 1074 ZipArchiveHandle zip; 1075 int error = OpenArchive(filename, &zip); 1076 if (error != 0) { 1077 CloseArchive(zip); 1078 die("failed to open zip file '%s': %s", filename, ErrorCodeString(error)); 1079 } 1080 1081 int64_t sz; 1082 void* data = unzip_file(zip, "android-info.txt", &sz); 1083 if (data == nullptr) { 1084 CloseArchive(zip); 1085 die("update package '%s' has no android-info.txt", filename); 1086 } 1087 1088 setup_requirements(reinterpret_cast<char*>(data), sz); 1089 1090 std::string secondary; 1091 if (!skip_secondary) { 1092 if (slot_override != "") { 1093 secondary = get_other_slot(transport, slot_override); 1094 } else { 1095 secondary = get_other_slot(transport); 1096 } 1097 if (secondary == "") { 1098 if (supports_AB(transport)) { 1099 fprintf(stderr, "Warning: Could not determine slot for secondary images. Ignoring.\n"); 1100 } 1101 skip_secondary = true; 1102 } 1103 } 1104 for (size_t i = 0; i < ARRAY_SIZE(images); ++i) { 1105 const char* slot = slot_override.c_str(); 1106 if (images[i].is_secondary) { 1107 if (!skip_secondary) { 1108 slot = secondary.c_str(); 1109 } else { 1110 continue; 1111 } 1112 } 1113 1114 int fd = unzip_to_file(zip, images[i].img_name); 1115 if (fd == -1) { 1116 if (images[i].is_optional) { 1117 continue; 1118 } 1119 CloseArchive(zip); 1120 exit(1); // unzip_to_file already explained why. 1121 } 1122 fastboot_buffer buf; 1123 int rc = load_buf_fd(transport, fd, &buf); 1124 if (rc) die("cannot load %s from flash", images[i].img_name); 1125 1126 auto update = [&](const std::string &partition) { 1127 do_update_signature(zip, images[i].sig_name); 1128 if (erase_first && needs_erase(transport, partition.c_str())) { 1129 fb_queue_erase(partition.c_str()); 1130 } 1131 flash_buf(partition.c_str(), &buf); 1132 /* not closing the fd here since the sparse code keeps the fd around 1133 * but hasn't mmaped data yet. The tmpfile will get cleaned up when the 1134 * program exits. 1135 */ 1136 }; 1137 do_for_partitions(transport, images[i].part_name, slot, update, false); 1138 } 1139 1140 CloseArchive(zip); 1141 if (slot_override == "all") { 1142 set_active(transport, "a"); 1143 } else { 1144 set_active(transport, slot_override); 1145 } 1146 } 1147 1148 static void do_send_signature(const std::string& fn) { 1149 std::size_t extension_loc = fn.find(".img"); 1150 if (extension_loc == std::string::npos) return; 1151 1152 std::string fs_sig = fn.substr(0, extension_loc) + ".sig"; 1153 1154 int64_t sz; 1155 void* data = load_file(fs_sig.c_str(), &sz); 1156 if (data == nullptr) return; 1157 fb_queue_download("signature", data, sz); 1158 fb_queue_command("signature", "installing signature"); 1159 } 1160 1161 static void do_flashall(Transport* transport, const std::string& slot_override, int erase_first, bool skip_secondary) { 1162 std::string fname; 1163 queue_info_dump(); 1164 1165 fb_queue_query_save("product", cur_product, sizeof(cur_product)); 1166 1167 fname = find_item("info", product); 1168 if (fname == "") die("cannot find android-info.txt"); 1169 1170 int64_t sz; 1171 void* data = load_file(fname.c_str(), &sz); 1172 if (data == nullptr) die("could not load android-info.txt: %s", strerror(errno)); 1173 1174 setup_requirements(reinterpret_cast<char*>(data), sz); 1175 1176 std::string secondary; 1177 if (!skip_secondary) { 1178 if (slot_override != "") { 1179 secondary = get_other_slot(transport, slot_override); 1180 } else { 1181 secondary = get_other_slot(transport); 1182 } 1183 if (secondary == "") { 1184 if (supports_AB(transport)) { 1185 fprintf(stderr, "Warning: Could not determine slot for secondary images. Ignoring.\n"); 1186 } 1187 skip_secondary = true; 1188 } 1189 } 1190 1191 for (size_t i = 0; i < ARRAY_SIZE(images); i++) { 1192 const char* slot = NULL; 1193 if (images[i].is_secondary) { 1194 if (!skip_secondary) slot = secondary.c_str(); 1195 } else { 1196 slot = slot_override.c_str(); 1197 } 1198 if (!slot) continue; 1199 fname = find_item_given_name(images[i].img_name, product); 1200 fastboot_buffer buf; 1201 if (load_buf(transport, fname.c_str(), &buf)) { 1202 if (images[i].is_optional) continue; 1203 die("could not load %s\n", images[i].img_name); 1204 } 1205 1206 auto flashall = [&](const std::string &partition) { 1207 do_send_signature(fname); 1208 if (erase_first && needs_erase(transport, partition.c_str())) { 1209 fb_queue_erase(partition.c_str()); 1210 } 1211 flash_buf(partition.c_str(), &buf); 1212 }; 1213 do_for_partitions(transport, images[i].part_name, slot, flashall, false); 1214 } 1215 1216 if (slot_override == "all") { 1217 set_active(transport, "a"); 1218 } else { 1219 set_active(transport, slot_override); 1220 } 1221 } 1222 1223 #define skip(n) do { argc -= (n); argv += (n); } while (0) 1224 #define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0) 1225 1226 static int do_bypass_unlock_command(int argc, char **argv) 1227 { 1228 if (argc <= 2) return 0; 1229 skip(2); 1230 1231 /* 1232 * Process unlock_bootloader, we have to load the message file 1233 * and send that to the remote device. 1234 */ 1235 require(1); 1236 1237 int64_t sz; 1238 void* data = load_file(*argv, &sz); 1239 if (data == nullptr) die("could not load '%s': %s", *argv, strerror(errno)); 1240 fb_queue_download("unlock_message", data, sz); 1241 fb_queue_command("flashing unlock_bootloader", "unlocking bootloader"); 1242 skip(1); 1243 return 0; 1244 } 1245 1246 static int do_oem_command(int argc, char **argv) 1247 { 1248 char command[256]; 1249 if (argc <= 1) return 0; 1250 1251 command[0] = 0; 1252 while(1) { 1253 strcat(command,*argv); 1254 skip(1); 1255 if(argc == 0) break; 1256 strcat(command," "); 1257 } 1258 1259 fb_queue_command(command,""); 1260 return 0; 1261 } 1262 1263 static int64_t parse_num(const char *arg) 1264 { 1265 char *endptr; 1266 unsigned long long num; 1267 1268 num = strtoull(arg, &endptr, 0); 1269 if (endptr == arg) { 1270 return -1; 1271 } 1272 1273 if (*endptr == 'k' || *endptr == 'K') { 1274 if (num >= (-1ULL) / 1024) { 1275 return -1; 1276 } 1277 num *= 1024LL; 1278 endptr++; 1279 } else if (*endptr == 'm' || *endptr == 'M') { 1280 if (num >= (-1ULL) / (1024 * 1024)) { 1281 return -1; 1282 } 1283 num *= 1024LL * 1024LL; 1284 endptr++; 1285 } else if (*endptr == 'g' || *endptr == 'G') { 1286 if (num >= (-1ULL) / (1024 * 1024 * 1024)) { 1287 return -1; 1288 } 1289 num *= 1024LL * 1024LL * 1024LL; 1290 endptr++; 1291 } 1292 1293 if (*endptr != '\0') { 1294 return -1; 1295 } 1296 1297 if (num > INT64_MAX) { 1298 return -1; 1299 } 1300 1301 return num; 1302 } 1303 1304 static void fb_perform_format(Transport* transport, 1305 const char* partition, int skip_if_not_supported, 1306 const char* type_override, const char* size_override, 1307 const std::string& initial_dir) { 1308 std::string partition_type, partition_size; 1309 1310 struct fastboot_buffer buf; 1311 const char* errMsg = nullptr; 1312 const struct fs_generator* gen = nullptr; 1313 int fd; 1314 1315 unsigned int limit = INT_MAX; 1316 if (target_sparse_limit > 0 && target_sparse_limit < limit) { 1317 limit = target_sparse_limit; 1318 } 1319 if (sparse_limit > 0 && sparse_limit < limit) { 1320 limit = sparse_limit; 1321 } 1322 1323 if (!fb_getvar(transport, std::string("partition-type:") + partition, &partition_type)) { 1324 errMsg = "Can't determine partition type.\n"; 1325 goto failed; 1326 } 1327 if (type_override) { 1328 if (partition_type != type_override) { 1329 fprintf(stderr, "Warning: %s type is %s, but %s was requested for formatting.\n", 1330 partition, partition_type.c_str(), type_override); 1331 } 1332 partition_type = type_override; 1333 } 1334 1335 if (!fb_getvar(transport, std::string("partition-size:") + partition, &partition_size)) { 1336 errMsg = "Unable to get partition size\n"; 1337 goto failed; 1338 } 1339 if (size_override) { 1340 if (partition_size != size_override) { 1341 fprintf(stderr, "Warning: %s size is %s, but %s was requested for formatting.\n", 1342 partition, partition_size.c_str(), size_override); 1343 } 1344 partition_size = size_override; 1345 } 1346 // Some bootloaders (angler, for example), send spurious leading whitespace. 1347 partition_size = android::base::Trim(partition_size); 1348 // Some bootloaders (hammerhead, for example) use implicit hex. 1349 // This code used to use strtol with base 16. 1350 if (!android::base::StartsWith(partition_size, "0x")) partition_size = "0x" + partition_size; 1351 1352 gen = fs_get_generator(partition_type); 1353 if (!gen) { 1354 if (skip_if_not_supported) { 1355 fprintf(stderr, "Erase successful, but not automatically formatting.\n"); 1356 fprintf(stderr, "File system type %s not supported.\n", partition_type.c_str()); 1357 return; 1358 } 1359 fprintf(stderr, "Formatting is not supported for file system with type '%s'.\n", 1360 partition_type.c_str()); 1361 return; 1362 } 1363 1364 int64_t size; 1365 if (!android::base::ParseInt(partition_size.c_str(), &size)) { 1366 fprintf(stderr, "Couldn't parse partition size '%s'.\n", partition_size.c_str()); 1367 return; 1368 } 1369 1370 fd = fileno(tmpfile()); 1371 if (fs_generator_generate(gen, fd, size, initial_dir)) { 1372 fprintf(stderr, "Cannot generate image: %s\n", strerror(errno)); 1373 close(fd); 1374 return; 1375 } 1376 1377 if (load_buf_fd(transport, fd, &buf)) { 1378 fprintf(stderr, "Cannot read image: %s\n", strerror(errno)); 1379 close(fd); 1380 return; 1381 } 1382 flash_buf(partition, &buf); 1383 return; 1384 1385 failed: 1386 if (skip_if_not_supported) { 1387 fprintf(stderr, "Erase successful, but not automatically formatting.\n"); 1388 if (errMsg) fprintf(stderr, "%s", errMsg); 1389 } 1390 fprintf(stderr,"FAILED (%s)\n", fb_get_error()); 1391 } 1392 1393 int main(int argc, char **argv) 1394 { 1395 bool wants_wipe = false; 1396 bool wants_reboot = false; 1397 bool wants_reboot_bootloader = false; 1398 bool wants_set_active = false; 1399 bool skip_secondary = false; 1400 bool erase_first = true; 1401 bool set_fbe_marker = false; 1402 void *data; 1403 int64_t sz; 1404 int longindex; 1405 std::string slot_override; 1406 std::string next_active; 1407 1408 const struct option longopts[] = { 1409 {"base", required_argument, 0, 'b'}, 1410 {"kernel_offset", required_argument, 0, 'k'}, 1411 {"kernel-offset", required_argument, 0, 'k'}, 1412 {"page_size", required_argument, 0, 'n'}, 1413 {"page-size", required_argument, 0, 'n'}, 1414 {"ramdisk_offset", required_argument, 0, 'r'}, 1415 {"ramdisk-offset", required_argument, 0, 'r'}, 1416 {"tags_offset", required_argument, 0, 't'}, 1417 {"tags-offset", required_argument, 0, 't'}, 1418 {"help", no_argument, 0, 'h'}, 1419 {"unbuffered", no_argument, 0, 0}, 1420 {"version", no_argument, 0, 0}, 1421 {"slot", required_argument, 0, 0}, 1422 {"set_active", optional_argument, 0, 'a'}, 1423 {"set-active", optional_argument, 0, 'a'}, 1424 {"skip-secondary", no_argument, 0, 0}, 1425 #if !defined(_WIN32) 1426 {"wipe-and-use-fbe", no_argument, 0, 0}, 1427 #endif 1428 {0, 0, 0, 0} 1429 }; 1430 1431 serial = getenv("ANDROID_SERIAL"); 1432 1433 while (1) { 1434 int c = getopt_long(argc, argv, "wub:k:n:r:t:s:S:lp:c:i:m:ha::", longopts, &longindex); 1435 if (c < 0) { 1436 break; 1437 } 1438 /* Alphabetical cases */ 1439 switch (c) { 1440 case 'a': 1441 wants_set_active = true; 1442 if (optarg) 1443 next_active = optarg; 1444 break; 1445 case 'b': 1446 base_addr = strtoul(optarg, 0, 16); 1447 break; 1448 case 'c': 1449 cmdline = optarg; 1450 break; 1451 case 'h': 1452 usage(); 1453 return 1; 1454 case 'i': { 1455 char *endptr = nullptr; 1456 unsigned long val; 1457 1458 val = strtoul(optarg, &endptr, 0); 1459 if (!endptr || *endptr != '\0' || (val & ~0xffff)) 1460 die("invalid vendor id '%s'", optarg); 1461 vendor_id = (unsigned short)val; 1462 break; 1463 } 1464 case 'k': 1465 kernel_offset = strtoul(optarg, 0, 16); 1466 break; 1467 case 'l': 1468 long_listing = 1; 1469 break; 1470 case 'n': 1471 page_size = (unsigned)strtoul(optarg, nullptr, 0); 1472 if (!page_size) die("invalid page size"); 1473 break; 1474 case 'p': 1475 product = optarg; 1476 break; 1477 case 'r': 1478 ramdisk_offset = strtoul(optarg, 0, 16); 1479 break; 1480 case 't': 1481 tags_offset = strtoul(optarg, 0, 16); 1482 break; 1483 case 's': 1484 serial = optarg; 1485 break; 1486 case 'S': 1487 sparse_limit = parse_num(optarg); 1488 if (sparse_limit < 0) { 1489 die("invalid sparse limit"); 1490 } 1491 break; 1492 case 'u': 1493 erase_first = false; 1494 break; 1495 case 'w': 1496 wants_wipe = true; 1497 break; 1498 case '?': 1499 return 1; 1500 case 0: 1501 if (strcmp("unbuffered", longopts[longindex].name) == 0) { 1502 setvbuf(stdout, nullptr, _IONBF, 0); 1503 setvbuf(stderr, nullptr, _IONBF, 0); 1504 } else if (strcmp("version", longopts[longindex].name) == 0) { 1505 fprintf(stdout, "fastboot version %s\n", FASTBOOT_REVISION); 1506 return 0; 1507 } else if (strcmp("slot", longopts[longindex].name) == 0) { 1508 slot_override = std::string(optarg); 1509 } else if (strcmp("skip-secondary", longopts[longindex].name) == 0 ) { 1510 skip_secondary = true; 1511 #if !defined(_WIN32) 1512 } else if (strcmp("wipe-and-use-fbe", longopts[longindex].name) == 0) { 1513 wants_wipe = true; 1514 set_fbe_marker = true; 1515 #endif 1516 } else { 1517 fprintf(stderr, "Internal error in options processing for %s\n", 1518 longopts[longindex].name); 1519 return 1; 1520 } 1521 break; 1522 default: 1523 abort(); 1524 } 1525 } 1526 1527 argc -= optind; 1528 argv += optind; 1529 1530 if (argc == 0 && !wants_wipe && !wants_set_active) { 1531 usage(); 1532 return 1; 1533 } 1534 1535 if (argc > 0 && !strcmp(*argv, "devices")) { 1536 skip(1); 1537 list_devices(); 1538 return 0; 1539 } 1540 1541 if (argc > 0 && !strcmp(*argv, "help")) { 1542 usage(); 1543 return 0; 1544 } 1545 1546 Transport* transport = open_device(); 1547 if (transport == nullptr) { 1548 return 1; 1549 } 1550 1551 if (!supports_AB(transport) && supports_AB_obsolete(transport)) { 1552 fprintf(stderr, "Warning: Device A/B support is outdated. Bootloader update required.\n"); 1553 } 1554 if (slot_override != "") slot_override = verify_slot(transport, slot_override); 1555 if (next_active != "") next_active = verify_slot(transport, next_active, false); 1556 1557 if (wants_set_active) { 1558 if (next_active == "") { 1559 if (slot_override == "") { 1560 std::string current_slot; 1561 if (fb_getvar(transport, "current-slot", ¤t_slot)) { 1562 next_active = verify_slot(transport, current_slot, false); 1563 } else { 1564 wants_set_active = false; 1565 } 1566 } else { 1567 next_active = verify_slot(transport, slot_override, false); 1568 } 1569 } 1570 } 1571 1572 while (argc > 0) { 1573 if (!strcmp(*argv, "getvar")) { 1574 require(2); 1575 fb_queue_display(argv[1], argv[1]); 1576 skip(2); 1577 } else if(!strcmp(*argv, "erase")) { 1578 require(2); 1579 1580 auto erase = [&](const std::string &partition) { 1581 std::string partition_type; 1582 if (fb_getvar(transport, std::string("partition-type:") + argv[1], &partition_type) && 1583 fs_get_generator(partition_type) != nullptr) { 1584 fprintf(stderr, "******** Did you mean to fastboot format this %s partition?\n", 1585 partition_type.c_str()); 1586 } 1587 1588 fb_queue_erase(partition.c_str()); 1589 }; 1590 do_for_partitions(transport, argv[1], slot_override, erase, true); 1591 skip(2); 1592 } else if(!strncmp(*argv, "format", strlen("format"))) { 1593 char *overrides; 1594 char *type_override = nullptr; 1595 char *size_override = nullptr; 1596 require(2); 1597 /* 1598 * Parsing for: "format[:[type][:[size]]]" 1599 * Some valid things: 1600 * - select ontly the size, and leave default fs type: 1601 * format::0x4000000 userdata 1602 * - default fs type and size: 1603 * format userdata 1604 * format:: userdata 1605 */ 1606 overrides = strchr(*argv, ':'); 1607 if (overrides) { 1608 overrides++; 1609 size_override = strchr(overrides, ':'); 1610 if (size_override) { 1611 size_override[0] = '\0'; 1612 size_override++; 1613 } 1614 type_override = overrides; 1615 } 1616 if (type_override && !type_override[0]) type_override = nullptr; 1617 if (size_override && !size_override[0]) size_override = nullptr; 1618 1619 auto format = [&](const std::string &partition) { 1620 if (erase_first && needs_erase(transport, partition.c_str())) { 1621 fb_queue_erase(partition.c_str()); 1622 } 1623 fb_perform_format(transport, partition.c_str(), 0, 1624 type_override, size_override, ""); 1625 }; 1626 do_for_partitions(transport, argv[1], slot_override, format, true); 1627 skip(2); 1628 } else if(!strcmp(*argv, "signature")) { 1629 require(2); 1630 data = load_file(argv[1], &sz); 1631 if (data == nullptr) die("could not load '%s': %s", argv[1], strerror(errno)); 1632 if (sz != 256) die("signature must be 256 bytes"); 1633 fb_queue_download("signature", data, sz); 1634 fb_queue_command("signature", "installing signature"); 1635 skip(2); 1636 } else if(!strcmp(*argv, "reboot")) { 1637 wants_reboot = true; 1638 skip(1); 1639 if (argc > 0) { 1640 if (!strcmp(*argv, "bootloader")) { 1641 wants_reboot = false; 1642 wants_reboot_bootloader = true; 1643 skip(1); 1644 } 1645 } 1646 require(0); 1647 } else if(!strcmp(*argv, "reboot-bootloader")) { 1648 wants_reboot_bootloader = true; 1649 skip(1); 1650 } else if (!strcmp(*argv, "continue")) { 1651 fb_queue_command("continue", "resuming boot"); 1652 skip(1); 1653 } else if(!strcmp(*argv, "boot")) { 1654 char *kname = 0; 1655 char *rname = 0; 1656 char *sname = 0; 1657 skip(1); 1658 if (argc > 0) { 1659 kname = argv[0]; 1660 skip(1); 1661 } 1662 if (argc > 0) { 1663 rname = argv[0]; 1664 skip(1); 1665 } 1666 if (argc > 0) { 1667 sname = argv[0]; 1668 skip(1); 1669 } 1670 data = load_bootable_image(kname, rname, sname, &sz, cmdline); 1671 if (data == 0) return 1; 1672 fb_queue_download("boot.img", data, sz); 1673 fb_queue_command("boot", "booting"); 1674 } else if(!strcmp(*argv, "flash")) { 1675 char *pname = argv[1]; 1676 std::string fname; 1677 require(2); 1678 if (argc > 2) { 1679 fname = argv[2]; 1680 skip(3); 1681 } else { 1682 fname = find_item(pname, product); 1683 skip(2); 1684 } 1685 if (fname == "") die("cannot determine image filename for '%s'", pname); 1686 1687 auto flash = [&](const std::string &partition) { 1688 if (erase_first && needs_erase(transport, partition.c_str())) { 1689 fb_queue_erase(partition.c_str()); 1690 } 1691 do_flash(transport, partition.c_str(), fname.c_str()); 1692 }; 1693 do_for_partitions(transport, pname, slot_override, flash, true); 1694 } else if(!strcmp(*argv, "flash:raw")) { 1695 char *kname = argv[2]; 1696 char *rname = 0; 1697 char *sname = 0; 1698 require(3); 1699 skip(3); 1700 if (argc > 0) { 1701 rname = argv[0]; 1702 skip(1); 1703 } 1704 if (argc > 0) { 1705 sname = argv[0]; 1706 skip(1); 1707 } 1708 data = load_bootable_image(kname, rname, sname, &sz, cmdline); 1709 if (data == 0) die("cannot load bootable image"); 1710 auto flashraw = [&](const std::string &partition) { 1711 fb_queue_flash(partition.c_str(), data, sz); 1712 }; 1713 do_for_partitions(transport, argv[1], slot_override, flashraw, true); 1714 } else if(!strcmp(*argv, "flashall")) { 1715 skip(1); 1716 if (slot_override == "all") { 1717 fprintf(stderr, "Warning: slot set to 'all'. Secondary slots will not be flashed.\n"); 1718 do_flashall(transport, slot_override, erase_first, true); 1719 } else { 1720 do_flashall(transport, slot_override, erase_first, skip_secondary); 1721 } 1722 wants_reboot = true; 1723 } else if(!strcmp(*argv, "update")) { 1724 bool slot_all = (slot_override == "all"); 1725 if (slot_all) { 1726 fprintf(stderr, "Warning: slot set to 'all'. Secondary slots will not be flashed.\n"); 1727 } 1728 if (argc > 1) { 1729 do_update(transport, argv[1], slot_override, erase_first, skip_secondary || slot_all); 1730 skip(2); 1731 } else { 1732 do_update(transport, "update.zip", slot_override, erase_first, skip_secondary || slot_all); 1733 skip(1); 1734 } 1735 wants_reboot = 1; 1736 } else if(!strcmp(*argv, "set_active")) { 1737 require(2); 1738 std::string slot = verify_slot(transport, std::string(argv[1]), false); 1739 fb_set_active(slot.c_str()); 1740 skip(2); 1741 } else if(!strcmp(*argv, "oem")) { 1742 argc = do_oem_command(argc, argv); 1743 } else if(!strcmp(*argv, "flashing")) { 1744 if (argc == 2 && (!strcmp(*(argv+1), "unlock") || 1745 !strcmp(*(argv+1), "lock") || 1746 !strcmp(*(argv+1), "unlock_critical") || 1747 !strcmp(*(argv+1), "lock_critical") || 1748 !strcmp(*(argv+1), "get_unlock_ability") || 1749 !strcmp(*(argv+1), "get_unlock_bootloader_nonce") || 1750 !strcmp(*(argv+1), "lock_bootloader"))) { 1751 argc = do_oem_command(argc, argv); 1752 } else 1753 if (argc == 3 && !strcmp(*(argv+1), "unlock_bootloader")) { 1754 argc = do_bypass_unlock_command(argc, argv); 1755 } else { 1756 usage(); 1757 return 1; 1758 } 1759 } else { 1760 usage(); 1761 return 1; 1762 } 1763 } 1764 1765 if (wants_wipe) { 1766 fprintf(stderr, "wiping userdata...\n"); 1767 fb_queue_erase("userdata"); 1768 if (set_fbe_marker) { 1769 fprintf(stderr, "setting FBE marker...\n"); 1770 std::string initial_userdata_dir = create_fbemarker_tmpdir(); 1771 if (initial_userdata_dir.empty()) { 1772 return 1; 1773 } 1774 fb_perform_format(transport, "userdata", 1, nullptr, nullptr, initial_userdata_dir); 1775 delete_fbemarker_tmpdir(initial_userdata_dir); 1776 } else { 1777 fb_perform_format(transport, "userdata", 1, nullptr, nullptr, ""); 1778 } 1779 1780 std::string cache_type; 1781 if (fb_getvar(transport, "partition-type:cache", &cache_type) && !cache_type.empty()) { 1782 fprintf(stderr, "wiping cache...\n"); 1783 fb_queue_erase("cache"); 1784 fb_perform_format(transport, "cache", 1, nullptr, nullptr, ""); 1785 } 1786 } 1787 if (wants_set_active) { 1788 fb_set_active(next_active.c_str()); 1789 } 1790 if (wants_reboot) { 1791 fb_queue_reboot(); 1792 fb_queue_wait_for_disconnect(); 1793 } else if (wants_reboot_bootloader) { 1794 fb_queue_command("reboot-bootloader", "rebooting into bootloader"); 1795 fb_queue_wait_for_disconnect(); 1796 } 1797 1798 return fb_execute_queue(transport) ? EXIT_FAILURE : EXIT_SUCCESS; 1799 } 1800
