fastboot.c revision 0bbfb3976e9491b3e1a872ebdaa850ef868a24aa 
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 int64_t sparse_limit = -1;
74static int64_t target_sparse_limit = -1;
75
76static unsigned base_addr = 0x10000000;
77
78void die(const char *fmt, ...)
79{
80    va_list ap;
81    va_start(ap, fmt);
82    fprintf(stderr,"error: ");
83    vfprintf(stderr, fmt, ap);
84    fprintf(stderr,"\n");
85    va_end(ap);
86    exit(1);
87}
88
89void get_my_path(char *path);
90
91char *find_item(const char *item, const char *product)
92{
93    char *dir;
94    char *fn;
95    char path[PATH_MAX + 128];
96
97    if(!strcmp(item,"boot")) {
98        fn = "boot.img";
99    } else if(!strcmp(item,"recovery")) {
100        fn = "recovery.img";
101    } else if(!strcmp(item,"system")) {
102        fn = "system.img";
103    } else if(!strcmp(item,"userdata")) {
104        fn = "userdata.img";
105    } else if(!strcmp(item,"cache")) {
106        fn = "cache.img";
107    } else if(!strcmp(item,"info")) {
108        fn = "android-info.txt";
109    } else {
110        fprintf(stderr,"unknown partition '%s'\n", item);
111        return 0;
112    }
113
114    if(product) {
115        get_my_path(path);
116        sprintf(path + strlen(path),
117                "../../../target/product/%s/%s", product, fn);
118        return strdup(path);
119    }
120
121    dir = getenv("ANDROID_PRODUCT_OUT");
122    if((dir == 0) || (dir[0] == 0)) {
123        die("neither -p product specified nor ANDROID_PRODUCT_OUT set");
124        return 0;
125    }
126
127    sprintf(path, "%s/%s", dir, fn);
128    return strdup(path);
129}
130
131#ifdef _WIN32
132void *load_file(const char *fn, unsigned *_sz);
133int64_t file_size(const char *fn);
134#else
135#if defined(__APPLE__) && defined(__MACH__)
136#define lseek64 lseek
137#define off64_t off_t
138#endif
139
140int64_t file_size(const char *fn)
141{
142    off64_t off;
143    int fd;
144
145    fd = open(fn, O_RDONLY);
146    if (fd < 0) return -1;
147
148    off = lseek64(fd, 0, SEEK_END);
149    close(fd);
150
151    return off;
152}
153
154void *load_file(const char *fn, unsigned *_sz)
155{
156    char *data;
157    int sz;
158    int fd;
159
160    data = 0;
161    fd = open(fn, O_RDONLY);
162    if(fd < 0) return 0;
163
164    sz = lseek(fd, 0, SEEK_END);
165    if(sz < 0) goto oops;
166
167    if(lseek(fd, 0, SEEK_SET) != 0) goto oops;
168
169    data = (char*) malloc(sz);
170    if(data == 0) goto oops;
171
172    if(read(fd, data, sz) != sz) goto oops;
173    close(fd);
174
175    if(_sz) *_sz = sz;
176    return data;
177
178oops:
179    close(fd);
180    if(data != 0) free(data);
181    return 0;
182}
183#endif
184
185int match_fastboot(usb_ifc_info *info)
186{
187    if(!(vendor_id && (info->dev_vendor == vendor_id)) &&
188       (info->dev_vendor != 0x18d1) &&  // Google
189       (info->dev_vendor != 0x8087) &&  // Intel
190       (info->dev_vendor != 0x0451) &&
191       (info->dev_vendor != 0x0502) &&
192       (info->dev_vendor != 0x0fce) &&  // Sony Ericsson
193       (info->dev_vendor != 0x05c6) &&  // Qualcomm
194       (info->dev_vendor != 0x22b8) &&  // Motorola
195       (info->dev_vendor != 0x0955) &&  // Nvidia
196       (info->dev_vendor != 0x413c) &&  // DELL
197       (info->dev_vendor != 0x2314) &&  // INQ Mobile
198       (info->dev_vendor != 0x0b05) &&  // Asus
199       (info->dev_vendor != 0x0bb4))    // HTC
200            return -1;
201    if(info->ifc_class != 0xff) return -1;
202    if(info->ifc_subclass != 0x42) return -1;
203    if(info->ifc_protocol != 0x03) return -1;
204    // require matching serial number if a serial number is specified
205    // at the command line with the -s option.
206    if (serial && strcmp(serial, info->serial_number) != 0) return -1;
207    return 0;
208}
209
210int list_devices_callback(usb_ifc_info *info)
211{
212    if (match_fastboot(info) == 0) {
213        char* serial = info->serial_number;
214        if (!info->writable) {
215            serial = "no permissions"; // like "adb devices"
216        }
217        if (!serial[0]) {
218            serial = "????????????";
219        }
220        // output compatible with "adb devices"
221        printf("%s\tfastboot\n", serial);
222    }
223
224    return -1;
225}
226
227usb_handle *open_device(void)
228{
229    static usb_handle *usb = 0;
230    int announce = 1;
231
232    if(usb) return usb;
233
234    for(;;) {
235        usb = usb_open(match_fastboot);
236        if(usb) return usb;
237        if(announce) {
238            announce = 0;
239            fprintf(stderr,"< waiting for device >\n");
240        }
241        sleep(1);
242    }
243}
244
245void list_devices(void) {
246    // We don't actually open a USB device here,
247    // just getting our callback called so we can
248    // list all the connected devices.
249    usb_open(list_devices_callback);
250}
251
252void usage(void)
253{
254    fprintf(stderr,
255/*           1234567890123456789012345678901234567890123456789012345678901234567890123456 */
256            "usage: fastboot [ <option> ] <command>\n"
257            "\n"
258            "commands:\n"
259            "  update <filename>                        reflash device from update.zip\n"
260            "  flashall                                 flash boot + recovery + system\n"
261            "  flash <partition> [ <filename> ]         write a file to a flash partition\n"
262            "  erase <partition>                        erase a flash partition\n"
263            "  format <partition>                       format a flash partition \n"
264            "  getvar <variable>                        display a bootloader variable\n"
265            "  boot <kernel> [ <ramdisk> ]              download and boot kernel\n"
266            "  flash:raw boot <kernel> [ <ramdisk> ]    create bootimage and flash it\n"
267            "  devices                                  list all connected devices\n"
268            "  continue                                 continue with autoboot\n"
269            "  reboot                                   reboot device normally\n"
270            "  reboot-bootloader                        reboot device into bootloader\n"
271            "  help                                     show this help message\n"
272            "\n"
273            "options:\n"
274            "  -w                                       erase userdata and cache\n"
275            "  -s <serial number>                       specify device serial number\n"
276            "  -p <product>                             specify product name\n"
277            "  -c <cmdline>                             override kernel commandline\n"
278            "  -i <vendor id>                           specify a custom USB vendor id\n"
279            "  -b <base_addr>                           specify a custom kernel base address\n"
280            "  -n <page size>                           specify the nand page size. default: 2048\n"
281            "  -S <size>[K|M|G]                         automatically sparse files greater than\n"
282            "                                           size.  0 to disable\n"
283        );
284}
285
286void *load_bootable_image(unsigned page_size, const char *kernel, const char *ramdisk,
287                          unsigned *sz, const char *cmdline)
288{
289    void *kdata = 0, *rdata = 0;
290    unsigned ksize = 0, rsize = 0;
291    void *bdata;
292    unsigned bsize;
293
294    if(kernel == 0) {
295        fprintf(stderr, "no image specified\n");
296        return 0;
297    }
298
299    kdata = load_file(kernel, &ksize);
300    if(kdata == 0) {
301        fprintf(stderr, "cannot load '%s'\n", kernel);
302        return 0;
303    }
304
305        /* is this actually a boot image? */
306    if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
307        if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
308
309        if(ramdisk) {
310            fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
311            return 0;
312        }
313
314        *sz = ksize;
315        return kdata;
316    }
317
318    if(ramdisk) {
319        rdata = load_file(ramdisk, &rsize);
320        if(rdata == 0) {
321            fprintf(stderr,"cannot load '%s'\n", ramdisk);
322            return  0;
323        }
324    }
325
326    fprintf(stderr,"creating boot image...\n");
327    bdata = mkbootimg(kdata, ksize, rdata, rsize, 0, 0, page_size, base_addr, &bsize);
328    if(bdata == 0) {
329        fprintf(stderr,"failed to create boot.img\n");
330        return 0;
331    }
332    if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
333    fprintf(stderr,"creating boot image - %d bytes\n", bsize);
334    *sz = bsize;
335
336    return bdata;
337}
338
339void *unzip_file(zipfile_t zip, const char *name, unsigned *sz)
340{
341    void *data;
342    zipentry_t entry;
343    unsigned datasz;
344
345    entry = lookup_zipentry(zip, name);
346    if (entry == NULL) {
347        fprintf(stderr, "archive does not contain '%s'\n", name);
348        return 0;
349    }
350
351    *sz = get_zipentry_size(entry);
352
353    datasz = *sz * 1.001;
354    data = malloc(datasz);
355
356    if(data == 0) {
357        fprintf(stderr, "failed to allocate %d bytes\n", *sz);
358        return 0;
359    }
360
361    if (decompress_zipentry(entry, data, datasz)) {
362        fprintf(stderr, "failed to unzip '%s' from archive\n", name);
363        free(data);
364        return 0;
365    }
366
367    return data;
368}
369
370static char *strip(char *s)
371{
372    int n;
373    while(*s && isspace(*s)) s++;
374    n = strlen(s);
375    while(n-- > 0) {
376        if(!isspace(s[n])) break;
377        s[n] = 0;
378    }
379    return s;
380}
381
382#define MAX_OPTIONS 32
383static int setup_requirement_line(char *name)
384{
385    char *val[MAX_OPTIONS];
386    const char **out;
387    char *prod = NULL;
388    unsigned n, count;
389    char *x;
390    int invert = 0;
391
392    if (!strncmp(name, "reject ", 7)) {
393        name += 7;
394        invert = 1;
395    } else if (!strncmp(name, "require ", 8)) {
396        name += 8;
397        invert = 0;
398    } else if (!strncmp(name, "require-for-product:", 20)) {
399        // Get the product and point name past it
400        prod = name + 20;
401        name = strchr(name, ' ');
402        if (!name) return -1;
403        *name = 0;
404        name += 1;
405        invert = 0;
406    }
407
408    x = strchr(name, '=');
409    if (x == 0) return 0;
410    *x = 0;
411    val[0] = x + 1;
412
413    for(count = 1; count < MAX_OPTIONS; count++) {
414        x = strchr(val[count - 1],'|');
415        if (x == 0) break;
416        *x = 0;
417        val[count] = x + 1;
418    }
419
420    name = strip(name);
421    for(n = 0; n < count; n++) val[n] = strip(val[n]);
422
423    name = strip(name);
424    if (name == 0) return -1;
425
426        /* work around an unfortunate name mismatch */
427    if (!strcmp(name,"board")) name = "product";
428
429    out = malloc(sizeof(char*) * count);
430    if (out == 0) return -1;
431
432    for(n = 0; n < count; n++) {
433        out[n] = strdup(strip(val[n]));
434        if (out[n] == 0) return -1;
435    }
436
437    fb_queue_require(prod, name, invert, n, out);
438    return 0;
439}
440
441static void setup_requirements(char *data, unsigned sz)
442{
443    char *s;
444
445    s = data;
446    while (sz-- > 0) {
447        if(*s == '\n') {
448            *s++ = 0;
449            if (setup_requirement_line(data)) {
450                die("out of memory");
451            }
452            data = s;
453        } else {
454            s++;
455        }
456    }
457}
458
459void queue_info_dump(void)
460{
461    fb_queue_notice("--------------------------------------------");
462    fb_queue_display("version-bootloader", "Bootloader Version...");
463    fb_queue_display("version-baseband",   "Baseband Version.....");
464    fb_queue_display("serialno",           "Serial Number........");
465    fb_queue_notice("--------------------------------------------");
466}
467
468
469struct sparse_file **load_sparse_files(const char *fname, int max_size)
470{
471    int fd;
472    struct sparse_file *s;
473    int files;
474    struct sparse_file **out_s;
475
476    fd = open(fname, O_RDONLY | O_BINARY);
477    if (fd < 0) {
478        die("cannot open '%s'\n", fname);
479    }
480
481    s = sparse_file_import_auto(fd, false);
482    if (!s) {
483        die("cannot sparse read file '%s'\n", fname);
484    }
485
486    files = sparse_file_resparse(s, max_size, NULL, 0);
487    if (files < 0) {
488        die("Failed to resparse '%s'\n", fname);
489    }
490
491    out_s = calloc(sizeof(struct sparse_file *), files + 1);
492    if (!out_s) {
493        die("Failed to allocate sparse file array\n");
494    }
495
496    files = sparse_file_resparse(s, max_size, out_s, files);
497    if (files < 0) {
498        die("Failed to resparse '%s'\n", fname);
499    }
500
501    return out_s;
502}
503
504static int64_t get_target_sparse_limit(struct usb_handle *usb)
505{
506    int64_t limit = 0;
507    char response[FB_RESPONSE_SZ + 1];
508    int status = fb_getvar(usb, response, "max-download-size");
509
510    if (!status) {
511        limit = strtoul(response, NULL, 0);
512        if (limit > 0) {
513            fprintf(stderr, "target reported max download size of %lld bytes\n",
514                    limit);
515        }
516    }
517
518    return limit;
519}
520
521static int64_t get_sparse_limit(struct usb_handle *usb, int64_t size)
522{
523    int64_t limit;
524
525    if (sparse_limit == 0) {
526        return 0;
527    } else if (sparse_limit > 0) {
528        limit = sparse_limit;
529    } else {
530        if (target_sparse_limit == -1) {
531            target_sparse_limit = get_target_sparse_limit(usb);
532        }
533        if (target_sparse_limit > 0) {
534            limit = target_sparse_limit;
535        } else {
536            return 0;
537        }
538    }
539
540    if (size > limit) {
541        return limit;
542    }
543
544    return 0;
545}
546
547void do_flash(usb_handle *usb, const char *pname, const char *fname)
548{
549    int64_t sz64;
550    void *data;
551    int64_t limit;
552
553    sz64 = file_size(fname);
554    limit = get_sparse_limit(usb, sz64);
555    if (limit) {
556        struct sparse_file **s = load_sparse_files(fname, limit);
557        if (s == NULL) {
558            die("cannot sparse load '%s'\n", fname);
559        }
560        while (*s) {
561            sz64 = sparse_file_len(*s, true, false);
562            fb_queue_flash_sparse(pname, *s++, sz64);
563        }
564    } else {
565        unsigned int sz;
566        data = load_file(fname, &sz);
567        if (data == 0) die("cannot load '%s'\n", fname);
568        fb_queue_flash(pname, data, sz);
569    }
570}
571
572void do_update_signature(zipfile_t zip, char *fn)
573{
574    void *data;
575    unsigned sz;
576    data = unzip_file(zip, fn, &sz);
577    if (data == 0) return;
578    fb_queue_download("signature", data, sz);
579    fb_queue_command("signature", "installing signature");
580}
581
582void do_update(char *fn)
583{
584    void *zdata;
585    unsigned zsize;
586    void *data;
587    unsigned sz;
588    zipfile_t zip;
589
590    queue_info_dump();
591
592    fb_queue_query_save("product", cur_product, sizeof(cur_product));
593
594    zdata = load_file(fn, &zsize);
595    if (zdata == 0) die("failed to load '%s'", fn);
596
597    zip = init_zipfile(zdata, zsize);
598    if(zip == 0) die("failed to access zipdata in '%s'");
599
600    data = unzip_file(zip, "android-info.txt", &sz);
601    if (data == 0) {
602        char *tmp;
603            /* fallback for older zipfiles */
604        data = unzip_file(zip, "android-product.txt", &sz);
605        if ((data == 0) || (sz < 1)) {
606            die("update package has no android-info.txt or android-product.txt");
607        }
608        tmp = malloc(sz + 128);
609        if (tmp == 0) die("out of memory");
610        sprintf(tmp,"board=%sversion-baseband=0.66.04.19\n",(char*)data);
611        data = tmp;
612        sz = strlen(tmp);
613    }
614
615    setup_requirements(data, sz);
616
617    data = unzip_file(zip, "boot.img", &sz);
618    if (data == 0) die("update package missing boot.img");
619    do_update_signature(zip, "boot.sig");
620    fb_queue_flash("boot", data, sz);
621
622    data = unzip_file(zip, "recovery.img", &sz);
623    if (data != 0) {
624        do_update_signature(zip, "recovery.sig");
625        fb_queue_flash("recovery", data, sz);
626    }
627
628    data = unzip_file(zip, "system.img", &sz);
629    if (data == 0) die("update package missing system.img");
630    do_update_signature(zip, "system.sig");
631    fb_queue_flash("system", data, sz);
632}
633
634void do_send_signature(char *fn)
635{
636    void *data;
637    unsigned sz;
638    char *xtn;
639
640    xtn = strrchr(fn, '.');
641    if (!xtn) return;
642    if (strcmp(xtn, ".img")) return;
643
644    strcpy(xtn,".sig");
645    data = load_file(fn, &sz);
646    strcpy(xtn,".img");
647    if (data == 0) return;
648    fb_queue_download("signature", data, sz);
649    fb_queue_command("signature", "installing signature");
650}
651
652void do_flashall(void)
653{
654    char *fname;
655    void *data;
656    unsigned sz;
657
658    queue_info_dump();
659
660    fb_queue_query_save("product", cur_product, sizeof(cur_product));
661
662    fname = find_item("info", product);
663    if (fname == 0) die("cannot find android-info.txt");
664    data = load_file(fname, &sz);
665    if (data == 0) die("could not load android-info.txt");
666    setup_requirements(data, sz);
667
668    fname = find_item("boot", product);
669    data = load_file(fname, &sz);
670    if (data == 0) die("could not load boot.img");
671    do_send_signature(fname);
672    fb_queue_flash("boot", data, sz);
673
674    fname = find_item("recovery", product);
675    data = load_file(fname, &sz);
676    if (data != 0) {
677        do_send_signature(fname);
678        fb_queue_flash("recovery", data, sz);
679    }
680
681    fname = find_item("system", product);
682    data = load_file(fname, &sz);
683    if (data == 0) die("could not load system.img");
684    do_send_signature(fname);
685    fb_queue_flash("system", data, sz);
686}
687
688#define skip(n) do { argc -= (n); argv += (n); } while (0)
689#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
690
691int do_oem_command(int argc, char **argv)
692{
693    int i;
694    char command[256];
695    if (argc <= 1) return 0;
696
697    command[0] = 0;
698    while(1) {
699        strcat(command,*argv);
700        skip(1);
701        if(argc == 0) break;
702        strcat(command," ");
703    }
704
705    fb_queue_command(command,"");
706    return 0;
707}
708
709static int64_t parse_num(const char *arg)
710{
711    char *endptr;
712    unsigned long long num;
713
714    num = strtoull(arg, &endptr, 0);
715    if (endptr == arg) {
716        return -1;
717    }
718
719    if (*endptr == 'k' || *endptr == 'K') {
720        if (num >= (-1ULL) / 1024) {
721            return -1;
722        }
723        num *= 1024LL;
724        endptr++;
725    } else if (*endptr == 'm' || *endptr == 'M') {
726        if (num >= (-1ULL) / (1024 * 1024)) {
727            return -1;
728        }
729        num *= 1024LL * 1024LL;
730        endptr++;
731    } else if (*endptr == 'g' || *endptr == 'G') {
732        if (num >= (-1ULL) / (1024 * 1024 * 1024)) {
733            return -1;
734        }
735        num *= 1024LL * 1024LL * 1024LL;
736        endptr++;
737    }
738
739    if (*endptr != '\0') {
740        return -1;
741    }
742
743    if (num > INT64_MAX) {
744        return -1;
745    }
746
747    return num;
748}
749
750int main(int argc, char **argv)
751{
752    int wants_wipe = 0;
753    int wants_reboot = 0;
754    int wants_reboot_bootloader = 0;
755    void *data;
756    unsigned sz;
757    unsigned page_size = 2048;
758    int status;
759    int c;
760    int r;
761
762    const struct option longopts = { 0, 0, 0, 0 };
763
764    serial = getenv("ANDROID_SERIAL");
765
766    while (1) {
767        c = getopt_long(argc, argv, "wb:n:s:S:p:c:i:m:h", &longopts, NULL);
768        if (c < 0) {
769            break;
770        }
771
772        switch (c) {
773        case 'w':
774            wants_wipe = 1;
775            break;
776        case 'b':
777            base_addr = strtoul(optarg, 0, 16);
778            break;
779        case 'n':
780            page_size = (unsigned)strtoul(optarg, NULL, 0);
781            if (!page_size) die("invalid page size");
782            break;
783        case 's':
784            serial = optarg;
785            break;
786        case 'S':
787            sparse_limit = parse_num(optarg);
788            if (sparse_limit < 0) {
789                    die("invalid sparse limit");
790            }
791            break;
792        case 'p':
793            product = optarg;
794            break;
795        case 'c':
796            cmdline = optarg;
797            break;
798        case 'i': {
799                char *endptr = NULL;
800                unsigned long val;
801
802                val = strtoul(optarg, &endptr, 0);
803                if (!endptr || *endptr != '\0' || (val & ~0xffff))
804                    die("invalid vendor id '%s'", optarg);
805                vendor_id = (unsigned short)val;
806                break;
807            }
808        case 'h':
809            usage();
810            return 1;
811        case '?':
812            return 1;
813        default:
814            abort();
815        }
816    }
817
818    argc -= optind;
819    argv += optind;
820
821    if (argc == 0 && !wants_wipe) {
822        usage();
823        return 1;
824    }
825
826    if (argc > 0 && !strcmp(*argv, "devices")) {
827        skip(1);
828        list_devices();
829        return 0;
830    }
831
832    usb = open_device();
833
834    while (argc > 0) {
835        if(!strcmp(*argv, "getvar")) {
836            require(2);
837            fb_queue_display(argv[1], argv[1]);
838            skip(2);
839        } else if(!strcmp(*argv, "erase")) {
840            require(2);
841            fb_queue_erase(argv[1]);
842            skip(2);
843        } else if(!strcmp(*argv, "format")) {
844            require(2);
845            fb_queue_format(argv[1], 0);
846            skip(2);
847        } else if(!strcmp(*argv, "signature")) {
848            require(2);
849            data = load_file(argv[1], &sz);
850            if (data == 0) die("could not load '%s'", argv[1]);
851            if (sz != 256) die("signature must be 256 bytes");
852            fb_queue_download("signature", data, sz);
853            fb_queue_command("signature", "installing signature");
854            skip(2);
855        } else if(!strcmp(*argv, "reboot")) {
856            wants_reboot = 1;
857            skip(1);
858        } else if(!strcmp(*argv, "reboot-bootloader")) {
859            wants_reboot_bootloader = 1;
860            skip(1);
861        } else if (!strcmp(*argv, "continue")) {
862            fb_queue_command("continue", "resuming boot");
863            skip(1);
864        } else if(!strcmp(*argv, "boot")) {
865            char *kname = 0;
866            char *rname = 0;
867            skip(1);
868            if (argc > 0) {
869                kname = argv[0];
870                skip(1);
871            }
872            if (argc > 0) {
873                rname = argv[0];
874                skip(1);
875            }
876            data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
877            if (data == 0) return 1;
878            fb_queue_download("boot.img", data, sz);
879            fb_queue_command("boot", "booting");
880        } else if(!strcmp(*argv, "flash")) {
881            char *pname = argv[1];
882            char *fname = 0;
883            require(2);
884            if (argc > 2) {
885                fname = argv[2];
886                skip(3);
887            } else {
888                fname = find_item(pname, product);
889                skip(2);
890            }
891            if (fname == 0) die("cannot determine image filename for '%s'", pname);
892            do_flash(usb, pname, fname);
893        } else if(!strcmp(*argv, "flash:raw")) {
894            char *pname = argv[1];
895            char *kname = argv[2];
896            char *rname = 0;
897            require(3);
898            if(argc > 3) {
899                rname = argv[3];
900                skip(4);
901            } else {
902                skip(3);
903            }
904            data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
905            if (data == 0) die("cannot load bootable image");
906            fb_queue_flash(pname, data, sz);
907        } else if(!strcmp(*argv, "flashall")) {
908            skip(1);
909            do_flashall();
910            wants_reboot = 1;
911        } else if(!strcmp(*argv, "update")) {
912            if (argc > 1) {
913                do_update(argv[1]);
914                skip(2);
915            } else {
916                do_update("update.zip");
917                skip(1);
918            }
919            wants_reboot = 1;
920        } else if(!strcmp(*argv, "oem")) {
921            argc = do_oem_command(argc, argv);
922        } else if (!strcmp(*argv, "help")) {
923            usage();
924            return 0;
925        } else {
926            usage();
927            return 1;
928        }
929    }
930
931    if (wants_wipe) {
932        fb_queue_erase("userdata");
933        fb_queue_format("userdata", 1);
934        fb_queue_erase("cache");
935        fb_queue_format("cache", 1);
936    }
937    if (wants_reboot) {
938        fb_queue_reboot();
939    } else if (wants_reboot_bootloader) {
940        fb_queue_command("reboot-bootloader", "rebooting into bootloader");
941    }
942
943    status = fb_execute_queue(usb);
944    return (status) ? 1 : 0;
945}
946