fastboot.c revision a7a64579c24b6a6dd41105a85a1fd5901f7cdf14 
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
161    data = 0;
162    fd = open(fn, O_RDONLY);
163    if(fd < 0) return 0;
164
165    sz = lseek(fd, 0, SEEK_END);
166    if(sz < 0) goto oops;
167
168    if(lseek(fd, 0, SEEK_SET) != 0) goto oops;
169
170    data = (char*) malloc(sz);
171    if(data == 0) goto oops;
172
173    if(read(fd, data, sz) != sz) goto oops;
174    close(fd);
175
176    if(_sz) *_sz = sz;
177    return data;
178
179oops:
180    close(fd);
181    if(data != 0) free(data);
182    return 0;
183}
184#endif
185
186int match_fastboot(usb_ifc_info *info)
187{
188    return match_fastboot_with_serial(info, serial);
189}
190
191int match_fastboot_with_serial(usb_ifc_info *info, const char *local_serial)
192{
193    if(!(vendor_id && (info->dev_vendor == vendor_id)) &&
194       (info->dev_vendor != 0x18d1) &&  // Google
195       (info->dev_vendor != 0x8087) &&  // Intel
196       (info->dev_vendor != 0x0451) &&
197       (info->dev_vendor != 0x0502) &&
198       (info->dev_vendor != 0x0fce) &&  // Sony Ericsson
199       (info->dev_vendor != 0x05c6) &&  // Qualcomm
200       (info->dev_vendor != 0x22b8) &&  // Motorola
201       (info->dev_vendor != 0x0955) &&  // Nvidia
202       (info->dev_vendor != 0x413c) &&  // DELL
203       (info->dev_vendor != 0x2314) &&  // INQ Mobile
204       (info->dev_vendor != 0x0b05) &&  // Asus
205       (info->dev_vendor != 0x0bb4))    // HTC
206            return -1;
207    if(info->ifc_class != 0xff) return -1;
208    if(info->ifc_subclass != 0x42) return -1;
209    if(info->ifc_protocol != 0x03) return -1;
210    // require matching serial number or device path if requested
211    // at the command line with the -s option.
212    if (local_serial && (strcmp(local_serial, info->serial_number) != 0 &&
213                   strcmp(local_serial, info->device_path) != 0)) return -1;
214    return 0;
215}
216
217int list_devices_callback(usb_ifc_info *info)
218{
219    if (match_fastboot_with_serial(info, NULL) == 0) {
220        char* serial = info->serial_number;
221        if (!info->writable) {
222            serial = "no permissions"; // like "adb devices"
223        }
224        if (!serial[0]) {
225            serial = "????????????";
226        }
227        // output compatible with "adb devices"
228        if (!long_listing) {
229            printf("%s\tfastboot\n", serial);
230        } else if (!info->device_path) {
231            printf("%-22s fastboot\n", serial);
232        } else {
233            printf("%-22s fastboot %s\n", serial, info->device_path);
234        }
235    }
236
237    return -1;
238}
239
240usb_handle *open_device(void)
241{
242    static usb_handle *usb = 0;
243    int announce = 1;
244
245    if(usb) return usb;
246
247    for(;;) {
248        usb = usb_open(match_fastboot);
249        if(usb) return usb;
250        if(announce) {
251            announce = 0;
252            fprintf(stderr,"< waiting for device >\n");
253        }
254        sleep(1);
255    }
256}
257
258void list_devices(void) {
259    // We don't actually open a USB device here,
260    // just getting our callback called so we can
261    // list all the connected devices.
262    usb_open(list_devices_callback);
263}
264
265void usage(void)
266{
267    fprintf(stderr,
268/*           1234567890123456789012345678901234567890123456789012345678901234567890123456 */
269            "usage: fastboot [ <option> ] <command>\n"
270            "\n"
271            "commands:\n"
272            "  update <filename>                        reflash device from update.zip\n"
273            "  flashall                                 flash boot + recovery + system\n"
274            "  flash <partition> [ <filename> ]         write a file to a flash partition\n"
275            "  erase <partition>                        erase a flash partition\n"
276            "  format <partition>                       format a flash partition \n"
277            "  getvar <variable>                        display a bootloader variable\n"
278            "  boot <kernel> [ <ramdisk> ]              download and boot kernel\n"
279            "  flash:raw boot <kernel> [ <ramdisk> ]    create bootimage and flash it\n"
280            "  devices                                  list all connected devices\n"
281            "  continue                                 continue with autoboot\n"
282            "  reboot                                   reboot device normally\n"
283            "  reboot-bootloader                        reboot device into bootloader\n"
284            "  help                                     show this help message\n"
285            "\n"
286            "options:\n"
287            "  -w                                       erase userdata and cache\n"
288            "  -s <specific device>                     specify device serial number\n"
289            "                                           or path to device port\n"
290            "  -l                                       with \"devices\", lists device paths\n"
291            "  -p <product>                             specify product name\n"
292            "  -c <cmdline>                             override kernel commandline\n"
293            "  -i <vendor id>                           specify a custom USB vendor id\n"
294            "  -b <base_addr>                           specify a custom kernel base address\n"
295            "  -n <page size>                           specify the nand page size. default: 2048\n"
296            "  -S <size>[K|M|G]                         automatically sparse files greater than\n"
297            "                                           size.  0 to disable\n"
298        );
299}
300
301void *load_bootable_image(unsigned page_size, const char *kernel, const char *ramdisk,
302                          unsigned *sz, const char *cmdline)
303{
304    void *kdata = 0, *rdata = 0;
305    unsigned ksize = 0, rsize = 0;
306    void *bdata;
307    unsigned bsize;
308
309    if(kernel == 0) {
310        fprintf(stderr, "no image specified\n");
311        return 0;
312    }
313
314    kdata = load_file(kernel, &ksize);
315    if(kdata == 0) {
316        fprintf(stderr, "cannot load '%s'\n", kernel);
317        return 0;
318    }
319
320        /* is this actually a boot image? */
321    if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
322        if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
323
324        if(ramdisk) {
325            fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
326            return 0;
327        }
328
329        *sz = ksize;
330        return kdata;
331    }
332
333    if(ramdisk) {
334        rdata = load_file(ramdisk, &rsize);
335        if(rdata == 0) {
336            fprintf(stderr,"cannot load '%s'\n", ramdisk);
337            return  0;
338        }
339    }
340
341    fprintf(stderr,"creating boot image...\n");
342    bdata = mkbootimg(kdata, ksize, rdata, rsize, 0, 0, page_size, base_addr, &bsize);
343    if(bdata == 0) {
344        fprintf(stderr,"failed to create boot.img\n");
345        return 0;
346    }
347    if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
348    fprintf(stderr,"creating boot image - %d bytes\n", bsize);
349    *sz = bsize;
350
351    return bdata;
352}
353
354void *unzip_file(zipfile_t zip, const char *name, unsigned *sz)
355{
356    void *data;
357    zipentry_t entry;
358    unsigned datasz;
359
360    entry = lookup_zipentry(zip, name);
361    if (entry == NULL) {
362        fprintf(stderr, "archive does not contain '%s'\n", name);
363        return 0;
364    }
365
366    *sz = get_zipentry_size(entry);
367
368    datasz = *sz * 1.001;
369    data = malloc(datasz);
370
371    if(data == 0) {
372        fprintf(stderr, "failed to allocate %d bytes\n", *sz);
373        return 0;
374    }
375
376    if (decompress_zipentry(entry, data, datasz)) {
377        fprintf(stderr, "failed to unzip '%s' from archive\n", name);
378        free(data);
379        return 0;
380    }
381
382    return data;
383}
384
385static char *strip(char *s)
386{
387    int n;
388    while(*s && isspace(*s)) s++;
389    n = strlen(s);
390    while(n-- > 0) {
391        if(!isspace(s[n])) break;
392        s[n] = 0;
393    }
394    return s;
395}
396
397#define MAX_OPTIONS 32
398static int setup_requirement_line(char *name)
399{
400    char *val[MAX_OPTIONS];
401    const char **out;
402    char *prod = NULL;
403    unsigned n, count;
404    char *x;
405    int invert = 0;
406
407    if (!strncmp(name, "reject ", 7)) {
408        name += 7;
409        invert = 1;
410    } else if (!strncmp(name, "require ", 8)) {
411        name += 8;
412        invert = 0;
413    } else if (!strncmp(name, "require-for-product:", 20)) {
414        // Get the product and point name past it
415        prod = name + 20;
416        name = strchr(name, ' ');
417        if (!name) return -1;
418        *name = 0;
419        name += 1;
420        invert = 0;
421    }
422
423    x = strchr(name, '=');
424    if (x == 0) return 0;
425    *x = 0;
426    val[0] = x + 1;
427
428    for(count = 1; count < MAX_OPTIONS; count++) {
429        x = strchr(val[count - 1],'|');
430        if (x == 0) break;
431        *x = 0;
432        val[count] = x + 1;
433    }
434
435    name = strip(name);
436    for(n = 0; n < count; n++) val[n] = strip(val[n]);
437
438    name = strip(name);
439    if (name == 0) return -1;
440
441        /* work around an unfortunate name mismatch */
442    if (!strcmp(name,"board")) name = "product";
443
444    out = malloc(sizeof(char*) * count);
445    if (out == 0) return -1;
446
447    for(n = 0; n < count; n++) {
448        out[n] = strdup(strip(val[n]));
449        if (out[n] == 0) return -1;
450    }
451
452    fb_queue_require(prod, name, invert, n, out);
453    return 0;
454}
455
456static void setup_requirements(char *data, unsigned sz)
457{
458    char *s;
459
460    s = data;
461    while (sz-- > 0) {
462        if(*s == '\n') {
463            *s++ = 0;
464            if (setup_requirement_line(data)) {
465                die("out of memory");
466            }
467            data = s;
468        } else {
469            s++;
470        }
471    }
472}
473
474void queue_info_dump(void)
475{
476    fb_queue_notice("--------------------------------------------");
477    fb_queue_display("version-bootloader", "Bootloader Version...");
478    fb_queue_display("version-baseband",   "Baseband Version.....");
479    fb_queue_display("serialno",           "Serial Number........");
480    fb_queue_notice("--------------------------------------------");
481}
482
483
484struct sparse_file **load_sparse_files(const char *fname, int max_size)
485{
486    int fd;
487    struct sparse_file *s;
488    int files;
489    struct sparse_file **out_s;
490
491    fd = open(fname, O_RDONLY | O_BINARY);
492    if (fd < 0) {
493        die("cannot open '%s'\n", fname);
494    }
495
496    s = sparse_file_import_auto(fd, false);
497    if (!s) {
498        die("cannot sparse read file '%s'\n", fname);
499    }
500
501    files = sparse_file_resparse(s, max_size, NULL, 0);
502    if (files < 0) {
503        die("Failed to resparse '%s'\n", fname);
504    }
505
506    out_s = calloc(sizeof(struct sparse_file *), files + 1);
507    if (!out_s) {
508        die("Failed to allocate sparse file array\n");
509    }
510
511    files = sparse_file_resparse(s, max_size, out_s, files);
512    if (files < 0) {
513        die("Failed to resparse '%s'\n", fname);
514    }
515
516    return out_s;
517}
518
519static int64_t get_target_sparse_limit(struct usb_handle *usb)
520{
521    int64_t limit = 0;
522    char response[FB_RESPONSE_SZ + 1];
523    int status = fb_getvar(usb, response, "max-download-size");
524
525    if (!status) {
526        limit = strtoul(response, NULL, 0);
527        if (limit > 0) {
528            fprintf(stderr, "target reported max download size of %lld bytes\n",
529                    limit);
530        }
531    }
532
533    return limit;
534}
535
536static int64_t get_sparse_limit(struct usb_handle *usb, int64_t size)
537{
538    int64_t limit;
539
540    if (sparse_limit == 0) {
541        return 0;
542    } else if (sparse_limit > 0) {
543        limit = sparse_limit;
544    } else {
545        if (target_sparse_limit == -1) {
546            target_sparse_limit = get_target_sparse_limit(usb);
547        }
548        if (target_sparse_limit > 0) {
549            limit = target_sparse_limit;
550        } else {
551            return 0;
552        }
553    }
554
555    if (size > limit) {
556        return limit;
557    }
558
559    return 0;
560}
561
562void do_flash(usb_handle *usb, const char *pname, const char *fname)
563{
564    int64_t sz64;
565    void *data;
566    int64_t limit;
567
568    sz64 = file_size(fname);
569    limit = get_sparse_limit(usb, sz64);
570    if (limit) {
571        struct sparse_file **s = load_sparse_files(fname, limit);
572        if (s == NULL) {
573            die("cannot sparse load '%s'\n", fname);
574        }
575        while (*s) {
576            sz64 = sparse_file_len(*s, true, false);
577            fb_queue_flash_sparse(pname, *s++, sz64);
578        }
579    } else {
580        unsigned int sz;
581        data = load_file(fname, &sz);
582        if (data == 0) die("cannot load '%s'\n", fname);
583        fb_queue_flash(pname, data, sz);
584    }
585}
586
587void do_update_signature(zipfile_t zip, char *fn)
588{
589    void *data;
590    unsigned sz;
591    data = unzip_file(zip, fn, &sz);
592    if (data == 0) return;
593    fb_queue_download("signature", data, sz);
594    fb_queue_command("signature", "installing signature");
595}
596
597void do_update(char *fn)
598{
599    void *zdata;
600    unsigned zsize;
601    void *data;
602    unsigned sz;
603    zipfile_t zip;
604
605    queue_info_dump();
606
607    fb_queue_query_save("product", cur_product, sizeof(cur_product));
608
609    zdata = load_file(fn, &zsize);
610    if (zdata == 0) die("failed to load '%s'", fn);
611
612    zip = init_zipfile(zdata, zsize);
613    if(zip == 0) die("failed to access zipdata in '%s'");
614
615    data = unzip_file(zip, "android-info.txt", &sz);
616    if (data == 0) {
617        char *tmp;
618            /* fallback for older zipfiles */
619        data = unzip_file(zip, "android-product.txt", &sz);
620        if ((data == 0) || (sz < 1)) {
621            die("update package has no android-info.txt or android-product.txt");
622        }
623        tmp = malloc(sz + 128);
624        if (tmp == 0) die("out of memory");
625        sprintf(tmp,"board=%sversion-baseband=0.66.04.19\n",(char*)data);
626        data = tmp;
627        sz = strlen(tmp);
628    }
629
630    setup_requirements(data, sz);
631
632    data = unzip_file(zip, "boot.img", &sz);
633    if (data == 0) die("update package missing boot.img");
634    do_update_signature(zip, "boot.sig");
635    fb_queue_flash("boot", data, sz);
636
637    data = unzip_file(zip, "recovery.img", &sz);
638    if (data != 0) {
639        do_update_signature(zip, "recovery.sig");
640        fb_queue_flash("recovery", data, sz);
641    }
642
643    data = unzip_file(zip, "system.img", &sz);
644    if (data == 0) die("update package missing system.img");
645    do_update_signature(zip, "system.sig");
646    fb_queue_flash("system", data, sz);
647}
648
649void do_send_signature(char *fn)
650{
651    void *data;
652    unsigned sz;
653    char *xtn;
654
655    xtn = strrchr(fn, '.');
656    if (!xtn) return;
657    if (strcmp(xtn, ".img")) return;
658
659    strcpy(xtn,".sig");
660    data = load_file(fn, &sz);
661    strcpy(xtn,".img");
662    if (data == 0) return;
663    fb_queue_download("signature", data, sz);
664    fb_queue_command("signature", "installing signature");
665}
666
667void do_flashall(void)
668{
669    char *fname;
670    void *data;
671    unsigned sz;
672
673    queue_info_dump();
674
675    fb_queue_query_save("product", cur_product, sizeof(cur_product));
676
677    fname = find_item("info", product);
678    if (fname == 0) die("cannot find android-info.txt");
679    data = load_file(fname, &sz);
680    if (data == 0) die("could not load android-info.txt");
681    setup_requirements(data, sz);
682
683    fname = find_item("boot", product);
684    data = load_file(fname, &sz);
685    if (data == 0) die("could not load boot.img");
686    do_send_signature(fname);
687    fb_queue_flash("boot", data, sz);
688
689    fname = find_item("recovery", product);
690    data = load_file(fname, &sz);
691    if (data != 0) {
692        do_send_signature(fname);
693        fb_queue_flash("recovery", data, sz);
694    }
695
696    fname = find_item("system", product);
697    data = load_file(fname, &sz);
698    if (data == 0) die("could not load system.img");
699    do_send_signature(fname);
700    fb_queue_flash("system", data, sz);
701}
702
703#define skip(n) do { argc -= (n); argv += (n); } while (0)
704#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
705
706int do_oem_command(int argc, char **argv)
707{
708    int i;
709    char command[256];
710    if (argc <= 1) return 0;
711
712    command[0] = 0;
713    while(1) {
714        strcat(command,*argv);
715        skip(1);
716        if(argc == 0) break;
717        strcat(command," ");
718    }
719
720    fb_queue_command(command,"");
721    return 0;
722}
723
724static int64_t parse_num(const char *arg)
725{
726    char *endptr;
727    unsigned long long num;
728
729    num = strtoull(arg, &endptr, 0);
730    if (endptr == arg) {
731        return -1;
732    }
733
734    if (*endptr == 'k' || *endptr == 'K') {
735        if (num >= (-1ULL) / 1024) {
736            return -1;
737        }
738        num *= 1024LL;
739        endptr++;
740    } else if (*endptr == 'm' || *endptr == 'M') {
741        if (num >= (-1ULL) / (1024 * 1024)) {
742            return -1;
743        }
744        num *= 1024LL * 1024LL;
745        endptr++;
746    } else if (*endptr == 'g' || *endptr == 'G') {
747        if (num >= (-1ULL) / (1024 * 1024 * 1024)) {
748            return -1;
749        }
750        num *= 1024LL * 1024LL * 1024LL;
751        endptr++;
752    }
753
754    if (*endptr != '\0') {
755        return -1;
756    }
757
758    if (num > INT64_MAX) {
759        return -1;
760    }
761
762    return num;
763}
764
765int main(int argc, char **argv)
766{
767    int wants_wipe = 0;
768    int wants_reboot = 0;
769    int wants_reboot_bootloader = 0;
770    void *data;
771    unsigned sz;
772    unsigned page_size = 2048;
773    int status;
774    int c;
775    int r;
776
777    const struct option longopts = { 0, 0, 0, 0 };
778
779    serial = getenv("ANDROID_SERIAL");
780
781    while (1) {
782        c = getopt_long(argc, argv, "wb:n:s:S:lp:c:i:m:h", &longopts, NULL);
783        if (c < 0) {
784            break;
785        }
786
787        switch (c) {
788        case 'w':
789            wants_wipe = 1;
790            break;
791        case 'b':
792            base_addr = strtoul(optarg, 0, 16);
793            break;
794        case 'n':
795            page_size = (unsigned)strtoul(optarg, NULL, 0);
796            if (!page_size) die("invalid page size");
797            break;
798        case 's':
799            serial = optarg;
800            break;
801        case 'S':
802            sparse_limit = parse_num(optarg);
803            if (sparse_limit < 0) {
804                    die("invalid sparse limit");
805            }
806            break;
807        case 'l':
808            long_listing = 1;
809            break;
810        case 'p':
811            product = optarg;
812            break;
813        case 'c':
814            cmdline = optarg;
815            break;
816        case 'i': {
817                char *endptr = NULL;
818                unsigned long val;
819
820                val = strtoul(optarg, &endptr, 0);
821                if (!endptr || *endptr != '\0' || (val & ~0xffff))
822                    die("invalid vendor id '%s'", optarg);
823                vendor_id = (unsigned short)val;
824                break;
825            }
826        case 'h':
827            usage();
828            return 1;
829        case '?':
830            return 1;
831        default:
832            abort();
833        }
834    }
835
836    argc -= optind;
837    argv += optind;
838
839    if (argc == 0 && !wants_wipe) {
840        usage();
841        return 1;
842    }
843
844    if (argc > 0 && !strcmp(*argv, "devices")) {
845        skip(1);
846        list_devices();
847        return 0;
848    }
849
850    usb = open_device();
851
852    while (argc > 0) {
853        if(!strcmp(*argv, "getvar")) {
854            require(2);
855            fb_queue_display(argv[1], argv[1]);
856            skip(2);
857        } else if(!strcmp(*argv, "erase")) {
858            require(2);
859            fb_queue_erase(argv[1]);
860            skip(2);
861        } else if(!strcmp(*argv, "format")) {
862            require(2);
863            fb_queue_format(argv[1], 0);
864            skip(2);
865        } else if(!strcmp(*argv, "signature")) {
866            require(2);
867            data = load_file(argv[1], &sz);
868            if (data == 0) die("could not load '%s'", argv[1]);
869            if (sz != 256) die("signature must be 256 bytes");
870            fb_queue_download("signature", data, sz);
871            fb_queue_command("signature", "installing signature");
872            skip(2);
873        } else if(!strcmp(*argv, "reboot")) {
874            wants_reboot = 1;
875            skip(1);
876        } else if(!strcmp(*argv, "reboot-bootloader")) {
877            wants_reboot_bootloader = 1;
878            skip(1);
879        } else if (!strcmp(*argv, "continue")) {
880            fb_queue_command("continue", "resuming boot");
881            skip(1);
882        } else if(!strcmp(*argv, "boot")) {
883            char *kname = 0;
884            char *rname = 0;
885            skip(1);
886            if (argc > 0) {
887                kname = argv[0];
888                skip(1);
889            }
890            if (argc > 0) {
891                rname = argv[0];
892                skip(1);
893            }
894            data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
895            if (data == 0) return 1;
896            fb_queue_download("boot.img", data, sz);
897            fb_queue_command("boot", "booting");
898        } else if(!strcmp(*argv, "flash")) {
899            char *pname = argv[1];
900            char *fname = 0;
901            require(2);
902            if (argc > 2) {
903                fname = argv[2];
904                skip(3);
905            } else {
906                fname = find_item(pname, product);
907                skip(2);
908            }
909            if (fname == 0) die("cannot determine image filename for '%s'", pname);
910            do_flash(usb, pname, fname);
911        } else if(!strcmp(*argv, "flash:raw")) {
912            char *pname = argv[1];
913            char *kname = argv[2];
914            char *rname = 0;
915            require(3);
916            if(argc > 3) {
917                rname = argv[3];
918                skip(4);
919            } else {
920                skip(3);
921            }
922            data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
923            if (data == 0) die("cannot load bootable image");
924            fb_queue_flash(pname, data, sz);
925        } else if(!strcmp(*argv, "flashall")) {
926            skip(1);
927            do_flashall();
928            wants_reboot = 1;
929        } else if(!strcmp(*argv, "update")) {
930            if (argc > 1) {
931                do_update(argv[1]);
932                skip(2);
933            } else {
934                do_update("update.zip");
935                skip(1);
936            }
937            wants_reboot = 1;
938        } else if(!strcmp(*argv, "oem")) {
939            argc = do_oem_command(argc, argv);
940        } else if (!strcmp(*argv, "help")) {
941            usage();
942            return 0;
943        } else {
944            usage();
945            return 1;
946        }
947    }
948
949    if (wants_wipe) {
950        fb_queue_erase("userdata");
951        fb_queue_format("userdata", 1);
952        fb_queue_erase("cache");
953        fb_queue_format("cache", 1);
954    }
955    if (wants_reboot) {
956        fb_queue_reboot();
957    } else if (wants_reboot_bootloader) {
958        fb_queue_command("reboot-bootloader", "rebooting into bootloader");
959    }
960
961    if (fb_queue_is_empty())
962        return 0;
963
964    status = fb_execute_queue(usb);
965    return (status) ? 1 : 0;
966}
967