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 <stdio.h>
32#include <stdlib.h>
33#include <stdarg.h>
34#include <stdbool.h>
35#include <stdint.h>
36#include <string.h>
37#include <errno.h>
38#include <fcntl.h>
39#include <unistd.h>
40#include <limits.h>
41#include <ctype.h>
42#include <getopt.h>
43
44#include <sys/time.h>
45#include <sys/types.h>
46
47#include <bootimg.h>
48#include <sparse/sparse.h>
49#include <zipfile/zipfile.h>
50
51#include "fastboot.h"
52
53#ifndef O_BINARY
54#define O_BINARY 0
55#endif
56
57char cur_product[FB_RESPONSE_SZ + 1];
58
59void bootimg_set_cmdline(boot_img_hdr *h, const char *cmdline);
60
61boot_img_hdr *mkbootimg(void *kernel, unsigned kernel_size,
62                        void *ramdisk, unsigned ramdisk_size,
63                        void *second, unsigned second_size,
64                        unsigned page_size, unsigned base,
65                        unsigned *bootimg_size);
66
67static usb_handle *usb = 0;
68static const char *serial = 0;
69static const char *product = 0;
70static const char *cmdline = 0;
71static int wipe_data = 0;
72static unsigned short vendor_id = 0;
73static int long_listing = 0;
74static int64_t sparse_limit = -1;
75static int64_t target_sparse_limit = -1;
76
77static unsigned base_addr = 0x10000000;
78
79void die(const char *fmt, ...)
80{
81    va_list ap;
82    va_start(ap, fmt);
83    fprintf(stderr,"error: ");
84    vfprintf(stderr, fmt, ap);
85    fprintf(stderr,"\n");
86    va_end(ap);
87    exit(1);
88}
89
90void get_my_path(char *path);
91
92char *find_item(const char *item, const char *product)
93{
94    char *dir;
95    char *fn;
96    char path[PATH_MAX + 128];
97
98    if(!strcmp(item,"boot")) {
99        fn = "boot.img";
100    } else if(!strcmp(item,"recovery")) {
101        fn = "recovery.img";
102    } else if(!strcmp(item,"system")) {
103        fn = "system.img";
104    } else if(!strcmp(item,"userdata")) {
105        fn = "userdata.img";
106    } else if(!strcmp(item,"cache")) {
107        fn = "cache.img";
108    } else if(!strcmp(item,"info")) {
109        fn = "android-info.txt";
110    } else {
111        fprintf(stderr,"unknown partition '%s'\n", item);
112        return 0;
113    }
114
115    if(product) {
116        get_my_path(path);
117        sprintf(path + strlen(path),
118                "../../../target/product/%s/%s", product, fn);
119        return strdup(path);
120    }
121
122    dir = getenv("ANDROID_PRODUCT_OUT");
123    if((dir == 0) || (dir[0] == 0)) {
124        die("neither -p product specified nor ANDROID_PRODUCT_OUT set");
125        return 0;
126    }
127
128    sprintf(path, "%s/%s", dir, fn);
129    return strdup(path);
130}
131
132#ifdef _WIN32
133void *load_file(const char *fn, unsigned *_sz);
134int64_t file_size(const char *fn);
135#else
136#if defined(__APPLE__) && defined(__MACH__)
137#define lseek64 lseek
138#define off64_t off_t
139#endif
140
141int64_t file_size(const char *fn)
142{
143    off64_t off;
144    int fd;
145
146    fd = open(fn, O_RDONLY);
147    if (fd < 0) return -1;
148
149    off = lseek64(fd, 0, SEEK_END);
150    close(fd);
151
152    return off;
153}
154
155void *load_file(const char *fn, unsigned *_sz)
156{
157    char *data;
158    int sz;
159    int fd;
160    int errno_tmp;
161
162    data = 0;
163    fd = open(fn, O_RDONLY);
164    if(fd < 0) return 0;
165
166    sz = lseek(fd, 0, SEEK_END);
167    if(sz < 0) goto oops;
168
169    if(lseek(fd, 0, SEEK_SET) != 0) goto oops;
170
171    data = (char*) malloc(sz);
172    if(data == 0) goto oops;
173
174    if(read(fd, data, sz) != sz) goto oops;
175    close(fd);
176
177    if(_sz) *_sz = sz;
178    return data;
179
180oops:
181    errno_tmp = errno;
182    close(fd);
183    if(data != 0) free(data);
184    errno = errno_tmp;
185    return 0;
186}
187#endif
188
189int match_fastboot(usb_ifc_info *info)
190{
191    return match_fastboot_with_serial(info, serial);
192}
193
194int match_fastboot_with_serial(usb_ifc_info *info, const char *local_serial)
195{
196    if(!(vendor_id && (info->dev_vendor == vendor_id)) &&
197       (info->dev_vendor != 0x18d1) &&  // Google
198       (info->dev_vendor != 0x8087) &&  // Intel
199       (info->dev_vendor != 0x0451) &&
200       (info->dev_vendor != 0x0502) &&
201       (info->dev_vendor != 0x0fce) &&  // Sony Ericsson
202       (info->dev_vendor != 0x05c6) &&  // Qualcomm
203       (info->dev_vendor != 0x22b8) &&  // Motorola
204       (info->dev_vendor != 0x0955) &&  // Nvidia
205       (info->dev_vendor != 0x413c) &&  // DELL
206       (info->dev_vendor != 0x2314) &&  // INQ Mobile
207       (info->dev_vendor != 0x0b05) &&  // Asus
208       (info->dev_vendor != 0x0bb4))    // HTC
209            return -1;
210    if(info->ifc_class != 0xff) return -1;
211    if(info->ifc_subclass != 0x42) return -1;
212    if(info->ifc_protocol != 0x03) return -1;
213    // require matching serial number or device path if requested
214    // at the command line with the -s option.
215    if (local_serial && (strcmp(local_serial, info->serial_number) != 0 &&
216                   strcmp(local_serial, info->device_path) != 0)) return -1;
217    return 0;
218}
219
220int list_devices_callback(usb_ifc_info *info)
221{
222    if (match_fastboot_with_serial(info, NULL) == 0) {
223        char* serial = info->serial_number;
224        if (!info->writable) {
225            serial = "no permissions"; // like "adb devices"
226        }
227        if (!serial[0]) {
228            serial = "????????????";
229        }
230        // output compatible with "adb devices"
231        if (!long_listing) {
232            printf("%s\tfastboot\n", serial);
233        } else if (!info->device_path) {
234            printf("%-22s fastboot\n", serial);
235        } else {
236            printf("%-22s fastboot %s\n", serial, info->device_path);
237        }
238    }
239
240    return -1;
241}
242
243usb_handle *open_device(void)
244{
245    static usb_handle *usb = 0;
246    int announce = 1;
247
248    if(usb) return usb;
249
250    for(;;) {
251        usb = usb_open(match_fastboot);
252        if(usb) return usb;
253        if(announce) {
254            announce = 0;
255            fprintf(stderr,"< waiting for device >\n");
256        }
257        sleep(1);
258    }
259}
260
261void list_devices(void) {
262    // We don't actually open a USB device here,
263    // just getting our callback called so we can
264    // list all the connected devices.
265    usb_open(list_devices_callback);
266}
267
268void usage(void)
269{
270    fprintf(stderr,
271/*           1234567890123456789012345678901234567890123456789012345678901234567890123456 */
272            "usage: fastboot [ <option> ] <command>\n"
273            "\n"
274            "commands:\n"
275            "  update <filename>                        reflash device from update.zip\n"
276            "  flashall                                 flash boot + recovery + system\n"
277            "  flash <partition> [ <filename> ]         write a file to a flash partition\n"
278            "  erase <partition>                        erase a flash partition\n"
279            "  format <partition>                       format a flash partition \n"
280            "  getvar <variable>                        display a bootloader variable\n"
281            "  boot <kernel> [ <ramdisk> ]              download and boot kernel\n"
282            "  flash:raw boot <kernel> [ <ramdisk> ]    create bootimage and flash it\n"
283            "  devices                                  list all connected devices\n"
284            "  continue                                 continue with autoboot\n"
285            "  reboot                                   reboot device normally\n"
286            "  reboot-bootloader                        reboot device into bootloader\n"
287            "  help                                     show this help message\n"
288            "\n"
289            "options:\n"
290            "  -w                                       erase userdata and cache (and format\n"
291            "                                           if supported by partition type)\n"
292            "  -u                                       do not first erase partition before\n"
293            "                                           formatting\n"
294            "  -s <specific device>                     specify device serial number\n"
295            "                                           or path to device port\n"
296            "  -l                                       with \"devices\", lists device paths\n"
297            "  -p <product>                             specify product name\n"
298            "  -c <cmdline>                             override kernel commandline\n"
299            "  -i <vendor id>                           specify a custom USB vendor id\n"
300            "  -b <base_addr>                           specify a custom kernel base address\n"
301            "  -n <page size>                           specify the nand page size. default: 2048\n"
302            "  -S <size>[K|M|G]                         automatically sparse files greater than\n"
303            "                                           size.  0 to disable\n"
304        );
305}
306
307void *load_bootable_image(unsigned page_size, const char *kernel, const char *ramdisk,
308                          unsigned *sz, const char *cmdline)
309{
310    void *kdata = 0, *rdata = 0;
311    unsigned ksize = 0, rsize = 0;
312    void *bdata;
313    unsigned bsize;
314
315    if(kernel == 0) {
316        fprintf(stderr, "no image specified\n");
317        return 0;
318    }
319
320    kdata = load_file(kernel, &ksize);
321    if(kdata == 0) {
322        fprintf(stderr, "cannot load '%s': %s\n", kernel, strerror(errno));
323        return 0;
324    }
325
326        /* is this actually a boot image? */
327    if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
328        if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
329
330        if(ramdisk) {
331            fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
332            return 0;
333        }
334
335        *sz = ksize;
336        return kdata;
337    }
338
339    if(ramdisk) {
340        rdata = load_file(ramdisk, &rsize);
341        if(rdata == 0) {
342            fprintf(stderr,"cannot load '%s': %s\n", ramdisk, strerror(errno));
343            return  0;
344        }
345    }
346
347    fprintf(stderr,"creating boot image...\n");
348    bdata = mkbootimg(kdata, ksize, rdata, rsize, 0, 0, page_size, base_addr, &bsize);
349    if(bdata == 0) {
350        fprintf(stderr,"failed to create boot.img\n");
351        return 0;
352    }
353    if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
354    fprintf(stderr,"creating boot image - %d bytes\n", bsize);
355    *sz = bsize;
356
357    return bdata;
358}
359
360void *unzip_file(zipfile_t zip, const char *name, unsigned *sz)
361{
362    void *data;
363    zipentry_t entry;
364    unsigned datasz;
365
366    entry = lookup_zipentry(zip, name);
367    if (entry == NULL) {
368        fprintf(stderr, "archive does not contain '%s'\n", name);
369        return 0;
370    }
371
372    *sz = get_zipentry_size(entry);
373
374    datasz = *sz * 1.001;
375    data = malloc(datasz);
376
377    if(data == 0) {
378        fprintf(stderr, "failed to allocate %d bytes\n", *sz);
379        return 0;
380    }
381
382    if (decompress_zipentry(entry, data, datasz)) {
383        fprintf(stderr, "failed to unzip '%s' from archive\n", name);
384        free(data);
385        return 0;
386    }
387
388    return data;
389}
390
391static char *strip(char *s)
392{
393    int n;
394    while(*s && isspace(*s)) s++;
395    n = strlen(s);
396    while(n-- > 0) {
397        if(!isspace(s[n])) break;
398        s[n] = 0;
399    }
400    return s;
401}
402
403#define MAX_OPTIONS 32
404static int setup_requirement_line(char *name)
405{
406    char *val[MAX_OPTIONS];
407    const char **out;
408    char *prod = NULL;
409    unsigned n, count;
410    char *x;
411    int invert = 0;
412
413    if (!strncmp(name, "reject ", 7)) {
414        name += 7;
415        invert = 1;
416    } else if (!strncmp(name, "require ", 8)) {
417        name += 8;
418        invert = 0;
419    } else if (!strncmp(name, "require-for-product:", 20)) {
420        // Get the product and point name past it
421        prod = name + 20;
422        name = strchr(name, ' ');
423        if (!name) return -1;
424        *name = 0;
425        name += 1;
426        invert = 0;
427    }
428
429    x = strchr(name, '=');
430    if (x == 0) return 0;
431    *x = 0;
432    val[0] = x + 1;
433
434    for(count = 1; count < MAX_OPTIONS; count++) {
435        x = strchr(val[count - 1],'|');
436        if (x == 0) break;
437        *x = 0;
438        val[count] = x + 1;
439    }
440
441    name = strip(name);
442    for(n = 0; n < count; n++) val[n] = strip(val[n]);
443
444    name = strip(name);
445    if (name == 0) return -1;
446
447        /* work around an unfortunate name mismatch */
448    if (!strcmp(name,"board")) name = "product";
449
450    out = malloc(sizeof(char*) * count);
451    if (out == 0) return -1;
452
453    for(n = 0; n < count; n++) {
454        out[n] = strdup(strip(val[n]));
455        if (out[n] == 0) return -1;
456    }
457
458    fb_queue_require(prod, name, invert, n, out);
459    return 0;
460}
461
462static void setup_requirements(char *data, unsigned sz)
463{
464    char *s;
465
466    s = data;
467    while (sz-- > 0) {
468        if(*s == '\n') {
469            *s++ = 0;
470            if (setup_requirement_line(data)) {
471                die("out of memory");
472            }
473            data = s;
474        } else {
475            s++;
476        }
477    }
478}
479
480void queue_info_dump(void)
481{
482    fb_queue_notice("--------------------------------------------");
483    fb_queue_display("version-bootloader", "Bootloader Version...");
484    fb_queue_display("version-baseband",   "Baseband Version.....");
485    fb_queue_display("serialno",           "Serial Number........");
486    fb_queue_notice("--------------------------------------------");
487}
488
489
490struct sparse_file **load_sparse_files(const char *fname, int max_size)
491{
492    int fd;
493    struct sparse_file *s;
494    int files;
495    struct sparse_file **out_s;
496
497    fd = open(fname, O_RDONLY | O_BINARY);
498    if (fd < 0) {
499        die("cannot open '%s'\n", fname);
500    }
501
502    s = sparse_file_import_auto(fd, false);
503    if (!s) {
504        die("cannot sparse read file '%s'\n", fname);
505    }
506
507    files = sparse_file_resparse(s, max_size, NULL, 0);
508    if (files < 0) {
509        die("Failed to resparse '%s'\n", fname);
510    }
511
512    out_s = calloc(sizeof(struct sparse_file *), files + 1);
513    if (!out_s) {
514        die("Failed to allocate sparse file array\n");
515    }
516
517    files = sparse_file_resparse(s, max_size, out_s, files);
518    if (files < 0) {
519        die("Failed to resparse '%s'\n", fname);
520    }
521
522    return out_s;
523}
524
525static int64_t get_target_sparse_limit(struct usb_handle *usb)
526{
527    int64_t limit = 0;
528    char response[FB_RESPONSE_SZ + 1];
529    int status = fb_getvar(usb, response, "max-download-size");
530
531    if (!status) {
532        limit = strtoul(response, NULL, 0);
533        if (limit > 0) {
534            fprintf(stderr, "target reported max download size of %lld bytes\n",
535                    limit);
536        }
537    }
538
539    return limit;
540}
541
542static int64_t get_sparse_limit(struct usb_handle *usb, int64_t size)
543{
544    int64_t limit;
545
546    if (sparse_limit == 0) {
547        return 0;
548    } else if (sparse_limit > 0) {
549        limit = sparse_limit;
550    } else {
551        if (target_sparse_limit == -1) {
552            target_sparse_limit = get_target_sparse_limit(usb);
553        }
554        if (target_sparse_limit > 0) {
555            limit = target_sparse_limit;
556        } else {
557            return 0;
558        }
559    }
560
561    if (size > limit) {
562        return limit;
563    }
564
565    return 0;
566}
567
568/* Until we get lazy inode table init working in make_ext4fs, we need to
569 * erase partitions of type ext4 before flashing a filesystem so no stale
570 * inodes are left lying around.  Otherwise, e2fsck gets very upset.
571 */
572static int needs_erase(const char *part)
573{
574    /* The function fb_format_supported() currently returns the value
575     * we want, so just call it.
576     */
577     return fb_format_supported(usb, part);
578}
579
580void do_flash(usb_handle *usb, const char *pname, const char *fname)
581{
582    int64_t sz64;
583    void *data;
584    int64_t limit;
585
586    sz64 = file_size(fname);
587    limit = get_sparse_limit(usb, sz64);
588    if (limit) {
589        struct sparse_file **s = load_sparse_files(fname, limit);
590        if (s == NULL) {
591            die("cannot sparse load '%s'\n", fname);
592        }
593        while (*s) {
594            sz64 = sparse_file_len(*s, true, false);
595            fb_queue_flash_sparse(pname, *s++, sz64);
596        }
597    } else {
598        unsigned int sz;
599        data = load_file(fname, &sz);
600        if (data == 0) die("cannot load '%s': %s\n", fname, strerror(errno));
601        fb_queue_flash(pname, data, sz);
602    }
603}
604
605void do_update_signature(zipfile_t zip, char *fn)
606{
607    void *data;
608    unsigned sz;
609    data = unzip_file(zip, fn, &sz);
610    if (data == 0) return;
611    fb_queue_download("signature", data, sz);
612    fb_queue_command("signature", "installing signature");
613}
614
615void do_update(char *fn, int erase_first)
616{
617    void *zdata;
618    unsigned zsize;
619    void *data;
620    unsigned sz;
621    zipfile_t zip;
622
623    queue_info_dump();
624
625    fb_queue_query_save("product", cur_product, sizeof(cur_product));
626
627    zdata = load_file(fn, &zsize);
628    if (zdata == 0) die("failed to load '%s': %s", fn, strerror(errno));
629
630    zip = init_zipfile(zdata, zsize);
631    if(zip == 0) die("failed to access zipdata in '%s'");
632
633    data = unzip_file(zip, "android-info.txt", &sz);
634    if (data == 0) {
635        char *tmp;
636            /* fallback for older zipfiles */
637        data = unzip_file(zip, "android-product.txt", &sz);
638        if ((data == 0) || (sz < 1)) {
639            die("update package has no android-info.txt or android-product.txt");
640        }
641        tmp = malloc(sz + 128);
642        if (tmp == 0) die("out of memory");
643        sprintf(tmp,"board=%sversion-baseband=0.66.04.19\n",(char*)data);
644        data = tmp;
645        sz = strlen(tmp);
646    }
647
648    setup_requirements(data, sz);
649
650    data = unzip_file(zip, "boot.img", &sz);
651    if (data == 0) die("update package missing boot.img");
652    do_update_signature(zip, "boot.sig");
653    if (erase_first && needs_erase("boot")) {
654        fb_queue_erase("boot");
655    }
656    fb_queue_flash("boot", data, sz);
657
658    data = unzip_file(zip, "recovery.img", &sz);
659    if (data != 0) {
660        do_update_signature(zip, "recovery.sig");
661        if (erase_first && needs_erase("recovery")) {
662            fb_queue_erase("recovery");
663        }
664        fb_queue_flash("recovery", data, sz);
665    }
666
667    data = unzip_file(zip, "system.img", &sz);
668    if (data == 0) die("update package missing system.img");
669    do_update_signature(zip, "system.sig");
670    if (erase_first && needs_erase("system")) {
671        fb_queue_erase("system");
672    }
673    fb_queue_flash("system", data, sz);
674}
675
676void do_send_signature(char *fn)
677{
678    void *data;
679    unsigned sz;
680    char *xtn;
681
682    xtn = strrchr(fn, '.');
683    if (!xtn) return;
684    if (strcmp(xtn, ".img")) return;
685
686    strcpy(xtn,".sig");
687    data = load_file(fn, &sz);
688    strcpy(xtn,".img");
689    if (data == 0) return;
690    fb_queue_download("signature", data, sz);
691    fb_queue_command("signature", "installing signature");
692}
693
694void do_flashall(int erase_first)
695{
696    char *fname;
697    void *data;
698    unsigned sz;
699
700    queue_info_dump();
701
702    fb_queue_query_save("product", cur_product, sizeof(cur_product));
703
704    fname = find_item("info", product);
705    if (fname == 0) die("cannot find android-info.txt");
706    data = load_file(fname, &sz);
707    if (data == 0) die("could not load android-info.txt: %s", strerror(errno));
708    setup_requirements(data, sz);
709
710    fname = find_item("boot", product);
711    data = load_file(fname, &sz);
712    if (data == 0) die("could not load boot.img: %s", strerror(errno));
713    do_send_signature(fname);
714    if (erase_first && needs_erase("boot")) {
715        fb_queue_erase("boot");
716    }
717    fb_queue_flash("boot", data, sz);
718
719    fname = find_item("recovery", product);
720    data = load_file(fname, &sz);
721    if (data != 0) {
722        do_send_signature(fname);
723        if (erase_first && needs_erase("recovery")) {
724            fb_queue_erase("recovery");
725        }
726        fb_queue_flash("recovery", data, sz);
727    }
728
729    fname = find_item("system", product);
730    data = load_file(fname, &sz);
731    if (data == 0) die("could not load system.img: %s", strerror(errno));
732    do_send_signature(fname);
733    if (erase_first && needs_erase("system")) {
734        fb_queue_erase("system");
735    }
736    fb_queue_flash("system", data, sz);
737}
738
739#define skip(n) do { argc -= (n); argv += (n); } while (0)
740#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
741
742int do_oem_command(int argc, char **argv)
743{
744    int i;
745    char command[256];
746    if (argc <= 1) return 0;
747
748    command[0] = 0;
749    while(1) {
750        strcat(command,*argv);
751        skip(1);
752        if(argc == 0) break;
753        strcat(command," ");
754    }
755
756    fb_queue_command(command,"");
757    return 0;
758}
759
760static int64_t parse_num(const char *arg)
761{
762    char *endptr;
763    unsigned long long num;
764
765    num = strtoull(arg, &endptr, 0);
766    if (endptr == arg) {
767        return -1;
768    }
769
770    if (*endptr == 'k' || *endptr == 'K') {
771        if (num >= (-1ULL) / 1024) {
772            return -1;
773        }
774        num *= 1024LL;
775        endptr++;
776    } else if (*endptr == 'm' || *endptr == 'M') {
777        if (num >= (-1ULL) / (1024 * 1024)) {
778            return -1;
779        }
780        num *= 1024LL * 1024LL;
781        endptr++;
782    } else if (*endptr == 'g' || *endptr == 'G') {
783        if (num >= (-1ULL) / (1024 * 1024 * 1024)) {
784            return -1;
785        }
786        num *= 1024LL * 1024LL * 1024LL;
787        endptr++;
788    }
789
790    if (*endptr != '\0') {
791        return -1;
792    }
793
794    if (num > INT64_MAX) {
795        return -1;
796    }
797
798    return num;
799}
800
801int main(int argc, char **argv)
802{
803    int wants_wipe = 0;
804    int wants_reboot = 0;
805    int wants_reboot_bootloader = 0;
806    int erase_first = 1;
807    void *data;
808    unsigned sz;
809    unsigned page_size = 2048;
810    int status;
811    int c;
812    int r;
813
814    const struct option longopts = { 0, 0, 0, 0 };
815
816    serial = getenv("ANDROID_SERIAL");
817
818    while (1) {
819        c = getopt_long(argc, argv, "wub:n:s:S:lp:c:i:m:h", &longopts, NULL);
820        if (c < 0) {
821            break;
822        }
823
824        switch (c) {
825        case 'w':
826            wants_wipe = 1;
827            break;
828        case 'u':
829            erase_first = 0;
830            break;
831        case 'b':
832            base_addr = strtoul(optarg, 0, 16);
833            break;
834        case 'n':
835            page_size = (unsigned)strtoul(optarg, NULL, 0);
836            if (!page_size) die("invalid page size");
837            break;
838        case 's':
839            serial = optarg;
840            break;
841        case 'S':
842            sparse_limit = parse_num(optarg);
843            if (sparse_limit < 0) {
844                    die("invalid sparse limit");
845            }
846            break;
847        case 'l':
848            long_listing = 1;
849            break;
850        case 'p':
851            product = optarg;
852            break;
853        case 'c':
854            cmdline = optarg;
855            break;
856        case 'i': {
857                char *endptr = NULL;
858                unsigned long val;
859
860                val = strtoul(optarg, &endptr, 0);
861                if (!endptr || *endptr != '\0' || (val & ~0xffff))
862                    die("invalid vendor id '%s'", optarg);
863                vendor_id = (unsigned short)val;
864                break;
865            }
866        case 'h':
867            usage();
868            return 1;
869        case '?':
870            return 1;
871        default:
872            abort();
873        }
874    }
875
876    argc -= optind;
877    argv += optind;
878
879    if (argc == 0 && !wants_wipe) {
880        usage();
881        return 1;
882    }
883
884    if (argc > 0 && !strcmp(*argv, "devices")) {
885        skip(1);
886        list_devices();
887        return 0;
888    }
889
890    if (argc > 0 && !strcmp(*argv, "help")) {
891        usage();
892        return 0;
893    }
894
895    usb = open_device();
896
897    while (argc > 0) {
898        if(!strcmp(*argv, "getvar")) {
899            require(2);
900            fb_queue_display(argv[1], argv[1]);
901            skip(2);
902        } else if(!strcmp(*argv, "erase")) {
903            require(2);
904
905            if (fb_format_supported(usb, argv[1])) {
906                fprintf(stderr, "******** Did you mean to fastboot format this partition?\n");
907            }
908
909            fb_queue_erase(argv[1]);
910            skip(2);
911        } else if(!strcmp(*argv, "format")) {
912            require(2);
913            if (erase_first && needs_erase(argv[1])) {
914                fb_queue_erase(argv[1]);
915            }
916            fb_queue_format(argv[1], 0);
917            skip(2);
918        } else if(!strcmp(*argv, "signature")) {
919            require(2);
920            data = load_file(argv[1], &sz);
921            if (data == 0) die("could not load '%s': %s", argv[1], strerror(errno));
922            if (sz != 256) die("signature must be 256 bytes");
923            fb_queue_download("signature", data, sz);
924            fb_queue_command("signature", "installing signature");
925            skip(2);
926        } else if(!strcmp(*argv, "reboot")) {
927            wants_reboot = 1;
928            skip(1);
929        } else if(!strcmp(*argv, "reboot-bootloader")) {
930            wants_reboot_bootloader = 1;
931            skip(1);
932        } else if (!strcmp(*argv, "continue")) {
933            fb_queue_command("continue", "resuming boot");
934            skip(1);
935        } else if(!strcmp(*argv, "boot")) {
936            char *kname = 0;
937            char *rname = 0;
938            skip(1);
939            if (argc > 0) {
940                kname = argv[0];
941                skip(1);
942            }
943            if (argc > 0) {
944                rname = argv[0];
945                skip(1);
946            }
947            data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
948            if (data == 0) return 1;
949            fb_queue_download("boot.img", data, sz);
950            fb_queue_command("boot", "booting");
951        } else if(!strcmp(*argv, "flash")) {
952            char *pname = argv[1];
953            char *fname = 0;
954            require(2);
955            if (argc > 2) {
956                fname = argv[2];
957                skip(3);
958            } else {
959                fname = find_item(pname, product);
960                skip(2);
961            }
962            if (fname == 0) die("cannot determine image filename for '%s'", pname);
963            if (erase_first && needs_erase(pname)) {
964                fb_queue_erase(pname);
965            }
966            do_flash(usb, pname, fname);
967        } else if(!strcmp(*argv, "flash:raw")) {
968            char *pname = argv[1];
969            char *kname = argv[2];
970            char *rname = 0;
971            require(3);
972            if(argc > 3) {
973                rname = argv[3];
974                skip(4);
975            } else {
976                skip(3);
977            }
978            data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
979            if (data == 0) die("cannot load bootable image");
980            fb_queue_flash(pname, data, sz);
981        } else if(!strcmp(*argv, "flashall")) {
982            skip(1);
983            do_flashall(erase_first);
984            wants_reboot = 1;
985        } else if(!strcmp(*argv, "update")) {
986            if (argc > 1) {
987                do_update(argv[1], erase_first);
988                skip(2);
989            } else {
990                do_update("update.zip", erase_first);
991                skip(1);
992            }
993            wants_reboot = 1;
994        } else if(!strcmp(*argv, "oem")) {
995            argc = do_oem_command(argc, argv);
996        } else {
997            usage();
998            return 1;
999        }
1000    }
1001
1002    if (wants_wipe) {
1003        fb_queue_erase("userdata");
1004        fb_queue_format("userdata", 1);
1005        fb_queue_erase("cache");
1006        fb_queue_format("cache", 1);
1007    }
1008    if (wants_reboot) {
1009        fb_queue_reboot();
1010    } else if (wants_reboot_bootloader) {
1011        fb_queue_command("reboot-bootloader", "rebooting into bootloader");
1012    }
1013
1014    if (fb_queue_is_empty())
1015        return 0;
1016
1017    status = fb_execute_queue(usb);
1018    return (status) ? 1 : 0;
1019}
1020