fastboot.c revision 64ba258b7a17fd5f0abd788c1b021ad45ad732b9
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
57#define DEFAULT_SPARSE_LIMIT (256 * 1024 * 1024)
58
59char cur_product[FB_RESPONSE_SZ + 1];
60
61void bootimg_set_cmdline(boot_img_hdr *h, const char *cmdline);
62
63boot_img_hdr *mkbootimg(void *kernel, unsigned kernel_size,
64                        void *ramdisk, unsigned ramdisk_size,
65                        void *second, unsigned second_size,
66                        unsigned page_size, unsigned base,
67                        unsigned *bootimg_size);
68
69static usb_handle *usb = 0;
70static const char *serial = 0;
71static const char *product = 0;
72static const char *cmdline = 0;
73static int wipe_data = 0;
74static unsigned short vendor_id = 0;
75static int64_t sparse_limit = -1;
76static int64_t target_sparse_limit = -1;
77
78static unsigned base_addr = 0x10000000;
79
80void die(const char *fmt, ...)
81{
82    va_list ap;
83    va_start(ap, fmt);
84    fprintf(stderr,"error: ");
85    vfprintf(stderr, fmt, ap);
86    fprintf(stderr,"\n");
87    va_end(ap);
88    exit(1);
89}
90
91void get_my_path(char *path);
92
93char *find_item(const char *item, const char *product)
94{
95    char *dir;
96    char *fn;
97    char path[PATH_MAX + 128];
98
99    if(!strcmp(item,"boot")) {
100        fn = "boot.img";
101    } else if(!strcmp(item,"recovery")) {
102        fn = "recovery.img";
103    } else if(!strcmp(item,"system")) {
104        fn = "system.img";
105    } else if(!strcmp(item,"userdata")) {
106        fn = "userdata.img";
107    } else if(!strcmp(item,"cache")) {
108        fn = "cache.img";
109    } else if(!strcmp(item,"info")) {
110        fn = "android-info.txt";
111    } else {
112        fprintf(stderr,"unknown partition '%s'\n", item);
113        return 0;
114    }
115
116    if(product) {
117        get_my_path(path);
118        sprintf(path + strlen(path),
119                "../../../target/product/%s/%s", product, fn);
120        return strdup(path);
121    }
122
123    dir = getenv("ANDROID_PRODUCT_OUT");
124    if((dir == 0) || (dir[0] == 0)) {
125        die("neither -p product specified nor ANDROID_PRODUCT_OUT set");
126        return 0;
127    }
128
129    sprintf(path, "%s/%s", dir, fn);
130    return strdup(path);
131}
132
133#ifdef _WIN32
134void *load_file(const char *fn, unsigned *_sz);
135int64_t file_size(const char *fn);
136#else
137#if defined(__APPLE__) && defined(__MACH__)
138#define lseek64 lseek
139#define off64_t off_t
140#endif
141
142int64_t file_size(const char *fn)
143{
144    off64_t off;
145    int fd;
146
147    fd = open(fn, O_RDONLY);
148    if (fd < 0) return -1;
149
150    off = lseek64(fd, 0, SEEK_END);
151    close(fd);
152
153    return off;
154}
155
156void *load_file(const char *fn, unsigned *_sz)
157{
158    char *data;
159    int sz;
160    int fd;
161    int errno_tmp;
162
163    data = 0;
164    fd = open(fn, O_RDONLY);
165    if(fd < 0) return 0;
166
167    sz = lseek(fd, 0, SEEK_END);
168    if(sz < 0) goto oops;
169
170    if(lseek(fd, 0, SEEK_SET) != 0) goto oops;
171
172    data = (char*) malloc(sz);
173    if(data == 0) goto oops;
174
175    if(read(fd, data, sz) != sz) goto oops;
176    close(fd);
177
178    if(_sz) *_sz = sz;
179    return data;
180
181oops:
182    errno_tmp = errno;
183    close(fd);
184    if(data != 0) free(data);
185    errno = errno_tmp;
186    return 0;
187}
188#endif
189
190int match_fastboot(usb_ifc_info *info)
191{
192    if(!(vendor_id && (info->dev_vendor == vendor_id)) &&
193       (info->dev_vendor != 0x18d1) &&  // Google
194       (info->dev_vendor != 0x8087) &&  // Intel
195       (info->dev_vendor != 0x0451) &&
196       (info->dev_vendor != 0x0502) &&
197       (info->dev_vendor != 0x0fce) &&  // Sony Ericsson
198       (info->dev_vendor != 0x05c6) &&  // Qualcomm
199       (info->dev_vendor != 0x22b8) &&  // Motorola
200       (info->dev_vendor != 0x0955) &&  // Nvidia
201       (info->dev_vendor != 0x413c) &&  // DELL
202       (info->dev_vendor != 0x2314) &&  // INQ Mobile
203       (info->dev_vendor != 0x0b05) &&  // Asus
204       (info->dev_vendor != 0x0bb4))    // HTC
205            return -1;
206    if(info->ifc_class != 0xff) return -1;
207    if(info->ifc_subclass != 0x42) return -1;
208    if(info->ifc_protocol != 0x03) return -1;
209    // require matching serial number if a serial number is specified
210    // at the command line with the -s option.
211    if (serial && strcmp(serial, info->serial_number) != 0) return -1;
212    return 0;
213}
214
215int list_devices_callback(usb_ifc_info *info)
216{
217    if (match_fastboot(info) == 0) {
218        char* serial = info->serial_number;
219        if (!info->writable) {
220            serial = "no permissions"; // like "adb devices"
221        }
222        if (!serial[0]) {
223            serial = "????????????";
224        }
225        // output compatible with "adb devices"
226        printf("%s\tfastboot\n", serial);
227    }
228
229    return -1;
230}
231
232usb_handle *open_device(void)
233{
234    static usb_handle *usb = 0;
235    int announce = 1;
236
237    if(usb) return usb;
238
239    for(;;) {
240        usb = usb_open(match_fastboot);
241        if(usb) return usb;
242        if(announce) {
243            announce = 0;
244            fprintf(stderr,"< waiting for device >\n");
245        }
246        sleep(1);
247    }
248}
249
250void list_devices(void) {
251    // We don't actually open a USB device here,
252    // just getting our callback called so we can
253    // list all the connected devices.
254    usb_open(list_devices_callback);
255}
256
257void usage(void)
258{
259    fprintf(stderr,
260/*           1234567890123456789012345678901234567890123456789012345678901234567890123456 */
261            "usage: fastboot [ <option> ] <command>\n"
262            "\n"
263            "commands:\n"
264            "  update <filename>                        reflash device from update.zip\n"
265            "  flashall                                 flash boot + recovery + system\n"
266            "  flash <partition> [ <filename> ]         write a file to a flash partition\n"
267            "  erase <partition>                        erase a flash partition\n"
268            "  format <partition>                       format a flash partition \n"
269            "  getvar <variable>                        display a bootloader variable\n"
270            "  boot <kernel> [ <ramdisk> ]              download and boot kernel\n"
271            "  flash:raw boot <kernel> [ <ramdisk> ]    create bootimage and flash it\n"
272            "  devices                                  list all connected devices\n"
273            "  continue                                 continue with autoboot\n"
274            "  reboot                                   reboot device normally\n"
275            "  reboot-bootloader                        reboot device into bootloader\n"
276            "  help                                     show this help message\n"
277            "\n"
278            "options:\n"
279            "  -w                                       erase userdata and cache\n"
280            "  -s <serial number>                       specify device serial number\n"
281            "  -p <product>                             specify product name\n"
282            "  -c <cmdline>                             override kernel commandline\n"
283            "  -i <vendor id>                           specify a custom USB vendor id\n"
284            "  -b <base_addr>                           specify a custom kernel base address\n"
285            "  -n <page size>                           specify the nand page size. default: 2048\n"
286            "  -S <size>[K|M|G]                         automatically sparse files greater than\n"
287            "                                           size. default: 256M, 0 to disable\n"
288        );
289}
290
291void *load_bootable_image(unsigned page_size, const char *kernel, const char *ramdisk,
292                          unsigned *sz, const char *cmdline)
293{
294    void *kdata = 0, *rdata = 0;
295    unsigned ksize = 0, rsize = 0;
296    void *bdata;
297    unsigned bsize;
298
299    if(kernel == 0) {
300        fprintf(stderr, "no image specified\n");
301        return 0;
302    }
303
304    kdata = load_file(kernel, &ksize);
305    if(kdata == 0) {
306        fprintf(stderr, "cannot load '%s': %s\n", kernel, strerror(errno));
307        return 0;
308    }
309
310        /* is this actually a boot image? */
311    if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
312        if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
313
314        if(ramdisk) {
315            fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
316            return 0;
317        }
318
319        *sz = ksize;
320        return kdata;
321    }
322
323    if(ramdisk) {
324        rdata = load_file(ramdisk, &rsize);
325        if(rdata == 0) {
326            fprintf(stderr,"cannot load '%s': %s\n", ramdisk, strerror(errno));
327            return  0;
328        }
329    }
330
331    fprintf(stderr,"creating boot image...\n");
332    bdata = mkbootimg(kdata, ksize, rdata, rsize, 0, 0, page_size, base_addr, &bsize);
333    if(bdata == 0) {
334        fprintf(stderr,"failed to create boot.img\n");
335        return 0;
336    }
337    if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
338    fprintf(stderr,"creating boot image - %d bytes\n", bsize);
339    *sz = bsize;
340
341    return bdata;
342}
343
344void *unzip_file(zipfile_t zip, const char *name, unsigned *sz)
345{
346    void *data;
347    zipentry_t entry;
348    unsigned datasz;
349
350    entry = lookup_zipentry(zip, name);
351    if (entry == NULL) {
352        fprintf(stderr, "archive does not contain '%s'\n", name);
353        return 0;
354    }
355
356    *sz = get_zipentry_size(entry);
357
358    datasz = *sz * 1.001;
359    data = malloc(datasz);
360
361    if(data == 0) {
362        fprintf(stderr, "failed to allocate %d bytes\n", *sz);
363        return 0;
364    }
365
366    if (decompress_zipentry(entry, data, datasz)) {
367        fprintf(stderr, "failed to unzip '%s' from archive\n", name);
368        free(data);
369        return 0;
370    }
371
372    return data;
373}
374
375static char *strip(char *s)
376{
377    int n;
378    while(*s && isspace(*s)) s++;
379    n = strlen(s);
380    while(n-- > 0) {
381        if(!isspace(s[n])) break;
382        s[n] = 0;
383    }
384    return s;
385}
386
387#define MAX_OPTIONS 32
388static int setup_requirement_line(char *name)
389{
390    char *val[MAX_OPTIONS];
391    const char **out;
392    char *prod = NULL;
393    unsigned n, count;
394    char *x;
395    int invert = 0;
396
397    if (!strncmp(name, "reject ", 7)) {
398        name += 7;
399        invert = 1;
400    } else if (!strncmp(name, "require ", 8)) {
401        name += 8;
402        invert = 0;
403    } else if (!strncmp(name, "require-for-product:", 20)) {
404        // Get the product and point name past it
405        prod = name + 20;
406        name = strchr(name, ' ');
407        if (!name) return -1;
408        *name = 0;
409        name += 1;
410        invert = 0;
411    }
412
413    x = strchr(name, '=');
414    if (x == 0) return 0;
415    *x = 0;
416    val[0] = x + 1;
417
418    for(count = 1; count < MAX_OPTIONS; count++) {
419        x = strchr(val[count - 1],'|');
420        if (x == 0) break;
421        *x = 0;
422        val[count] = x + 1;
423    }
424
425    name = strip(name);
426    for(n = 0; n < count; n++) val[n] = strip(val[n]);
427
428    name = strip(name);
429    if (name == 0) return -1;
430
431        /* work around an unfortunate name mismatch */
432    if (!strcmp(name,"board")) name = "product";
433
434    out = malloc(sizeof(char*) * count);
435    if (out == 0) return -1;
436
437    for(n = 0; n < count; n++) {
438        out[n] = strdup(strip(val[n]));
439        if (out[n] == 0) return -1;
440    }
441
442    fb_queue_require(prod, name, invert, n, out);
443    return 0;
444}
445
446static void setup_requirements(char *data, unsigned sz)
447{
448    char *s;
449
450    s = data;
451    while (sz-- > 0) {
452        if(*s == '\n') {
453            *s++ = 0;
454            if (setup_requirement_line(data)) {
455                die("out of memory");
456            }
457            data = s;
458        } else {
459            s++;
460        }
461    }
462}
463
464void queue_info_dump(void)
465{
466    fb_queue_notice("--------------------------------------------");
467    fb_queue_display("version-bootloader", "Bootloader Version...");
468    fb_queue_display("version-baseband",   "Baseband Version.....");
469    fb_queue_display("serialno",           "Serial Number........");
470    fb_queue_notice("--------------------------------------------");
471}
472
473
474struct sparse_file **load_sparse_files(const char *fname, int max_size)
475{
476    int fd;
477    struct sparse_file *s;
478    int files;
479    struct sparse_file **out_s;
480
481    fd = open(fname, O_RDONLY | O_BINARY);
482    if (fd < 0) {
483        die("cannot open '%s'\n", fname);
484    }
485
486    s = sparse_file_import_auto(fd, false);
487    if (!s) {
488        die("cannot sparse read file '%s'\n", fname);
489    }
490
491    files = sparse_file_resparse(s, max_size, NULL, 0);
492    if (files < 0) {
493        die("Failed to resparse '%s'\n", fname);
494    }
495
496    out_s = calloc(sizeof(struct sparse_file *), files + 1);
497    if (!out_s) {
498        die("Failed to allocate sparse file array\n");
499    }
500
501    files = sparse_file_resparse(s, max_size, out_s, files);
502    if (files < 0) {
503        die("Failed to resparse '%s'\n", fname);
504    }
505
506    return out_s;
507}
508
509static int64_t get_target_sparse_limit(struct usb_handle *usb)
510{
511    int64_t limit = 0;
512    char response[FB_RESPONSE_SZ + 1];
513    int status = fb_getvar(usb, response, "max-download-size");
514
515    if (!status) {
516        limit = strtoul(response, NULL, 0);
517        if (limit > 0) {
518            fprintf(stderr, "target reported max download size of %lld bytes\n",
519                    limit);
520        }
521    }
522
523    return limit;
524}
525
526static int64_t get_sparse_limit(struct usb_handle *usb, int64_t size)
527{
528    int64_t limit;
529
530    if (sparse_limit == 0) {
531        return 0;
532    } else if (sparse_limit > 0) {
533        limit = sparse_limit;
534    } else {
535        if (target_sparse_limit == -1) {
536            target_sparse_limit = get_target_sparse_limit(usb);
537        }
538        if (target_sparse_limit > 0) {
539            limit = target_sparse_limit;
540        } else {
541            limit = DEFAULT_SPARSE_LIMIT;
542        }
543    }
544
545    if (size > limit) {
546        return limit;
547    }
548
549    return 0;
550}
551
552void do_flash(usb_handle *usb, const char *pname, const char *fname)
553{
554    int64_t sz64;
555    void *data;
556    int64_t limit;
557
558    sz64 = file_size(fname);
559    limit = get_sparse_limit(usb, sz64);
560    if (limit) {
561        struct sparse_file **s = load_sparse_files(fname, limit);
562        if (s == NULL) {
563            die("cannot sparse load '%s'\n", fname);
564        }
565        while (*s) {
566            sz64 = sparse_file_len(*s, true, false);
567            fb_queue_flash_sparse(pname, *s++, sz64);
568        }
569    } else {
570        unsigned int sz;
571        data = load_file(fname, &sz);
572        if (data == 0) die("cannot load '%s': %s\n", fname, strerror(errno));
573        fb_queue_flash(pname, data, sz);
574    }
575}
576
577void do_update_signature(zipfile_t zip, char *fn)
578{
579    void *data;
580    unsigned sz;
581    data = unzip_file(zip, fn, &sz);
582    if (data == 0) return;
583    fb_queue_download("signature", data, sz);
584    fb_queue_command("signature", "installing signature");
585}
586
587void do_update(char *fn)
588{
589    void *zdata;
590    unsigned zsize;
591    void *data;
592    unsigned sz;
593    zipfile_t zip;
594
595    queue_info_dump();
596
597    fb_queue_query_save("product", cur_product, sizeof(cur_product));
598
599    zdata = load_file(fn, &zsize);
600    if (zdata == 0) die("failed to load '%s': %s", fn, strerror(errno));
601
602    zip = init_zipfile(zdata, zsize);
603    if(zip == 0) die("failed to access zipdata in '%s'");
604
605    data = unzip_file(zip, "android-info.txt", &sz);
606    if (data == 0) {
607        char *tmp;
608            /* fallback for older zipfiles */
609        data = unzip_file(zip, "android-product.txt", &sz);
610        if ((data == 0) || (sz < 1)) {
611            die("update package has no android-info.txt or android-product.txt");
612        }
613        tmp = malloc(sz + 128);
614        if (tmp == 0) die("out of memory");
615        sprintf(tmp,"board=%sversion-baseband=0.66.04.19\n",(char*)data);
616        data = tmp;
617        sz = strlen(tmp);
618    }
619
620    setup_requirements(data, sz);
621
622    data = unzip_file(zip, "boot.img", &sz);
623    if (data == 0) die("update package missing boot.img");
624    do_update_signature(zip, "boot.sig");
625    fb_queue_flash("boot", data, sz);
626
627    data = unzip_file(zip, "recovery.img", &sz);
628    if (data != 0) {
629        do_update_signature(zip, "recovery.sig");
630        fb_queue_flash("recovery", data, sz);
631    }
632
633    data = unzip_file(zip, "system.img", &sz);
634    if (data == 0) die("update package missing system.img");
635    do_update_signature(zip, "system.sig");
636    fb_queue_flash("system", data, sz);
637}
638
639void do_send_signature(char *fn)
640{
641    void *data;
642    unsigned sz;
643    char *xtn;
644
645    xtn = strrchr(fn, '.');
646    if (!xtn) return;
647    if (strcmp(xtn, ".img")) return;
648
649    strcpy(xtn,".sig");
650    data = load_file(fn, &sz);
651    strcpy(xtn,".img");
652    if (data == 0) return;
653    fb_queue_download("signature", data, sz);
654    fb_queue_command("signature", "installing signature");
655}
656
657void do_flashall(void)
658{
659    char *fname;
660    void *data;
661    unsigned sz;
662
663    queue_info_dump();
664
665    fb_queue_query_save("product", cur_product, sizeof(cur_product));
666
667    fname = find_item("info", product);
668    if (fname == 0) die("cannot find android-info.txt");
669    data = load_file(fname, &sz);
670    if (data == 0) die("could not load android-info.txt: %s", strerror(errno));
671    setup_requirements(data, sz);
672
673    fname = find_item("boot", product);
674    data = load_file(fname, &sz);
675    if (data == 0) die("could not load boot.img: %s", strerror(errno));
676    do_send_signature(fname);
677    fb_queue_flash("boot", data, sz);
678
679    fname = find_item("recovery", product);
680    data = load_file(fname, &sz);
681    if (data != 0) {
682        do_send_signature(fname);
683        fb_queue_flash("recovery", data, sz);
684    }
685
686    fname = find_item("system", product);
687    data = load_file(fname, &sz);
688    if (data == 0) die("could not load system.img: %s", strerror(errno));
689    do_send_signature(fname);
690    fb_queue_flash("system", data, sz);
691}
692
693#define skip(n) do { argc -= (n); argv += (n); } while (0)
694#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
695
696int do_oem_command(int argc, char **argv)
697{
698    int i;
699    char command[256];
700    if (argc <= 1) return 0;
701
702    command[0] = 0;
703    while(1) {
704        strcat(command,*argv);
705        skip(1);
706        if(argc == 0) break;
707        strcat(command," ");
708    }
709
710    fb_queue_command(command,"");
711    return 0;
712}
713
714static int64_t parse_num(const char *arg)
715{
716    char *endptr;
717    unsigned long long num;
718
719    num = strtoull(arg, &endptr, 0);
720    if (endptr == arg) {
721        return -1;
722    }
723
724    if (*endptr == 'k' || *endptr == 'K') {
725        if (num >= (-1ULL) / 1024) {
726            return -1;
727        }
728        num *= 1024LL;
729        endptr++;
730    } else if (*endptr == 'm' || *endptr == 'M') {
731        if (num >= (-1ULL) / (1024 * 1024)) {
732            return -1;
733        }
734        num *= 1024LL * 1024LL;
735        endptr++;
736    } else if (*endptr == 'g' || *endptr == 'G') {
737        if (num >= (-1ULL) / (1024 * 1024 * 1024)) {
738            return -1;
739        }
740        num *= 1024LL * 1024LL * 1024LL;
741        endptr++;
742    }
743
744    if (*endptr != '\0') {
745        return -1;
746    }
747
748    if (num > INT64_MAX) {
749        return -1;
750    }
751
752    return num;
753}
754
755int main(int argc, char **argv)
756{
757    int wants_wipe = 0;
758    int wants_reboot = 0;
759    int wants_reboot_bootloader = 0;
760    void *data;
761    unsigned sz;
762    unsigned page_size = 2048;
763    int status;
764    int c;
765    int r;
766
767    const struct option longopts = { 0, 0, 0, 0 };
768
769    serial = getenv("ANDROID_SERIAL");
770
771    while (1) {
772        c = getopt_long(argc, argv, "wb:n:s:S:p:c:i:m:h", &longopts, NULL);
773        if (c < 0) {
774            break;
775        }
776
777        switch (c) {
778        case 'w':
779            wants_wipe = 1;
780            break;
781        case 'b':
782            base_addr = strtoul(optarg, 0, 16);
783            break;
784        case 'n':
785            page_size = (unsigned)strtoul(optarg, NULL, 0);
786            if (!page_size) die("invalid page size");
787            break;
788        case 's':
789            serial = optarg;
790            break;
791        case 'S':
792            sparse_limit = parse_num(optarg);
793            if (sparse_limit < 0) {
794                    die("invalid sparse limit");
795            }
796            break;
797        case 'p':
798            product = optarg;
799            break;
800        case 'c':
801            cmdline = optarg;
802            break;
803        case 'i': {
804                char *endptr = NULL;
805                unsigned long val;
806
807                val = strtoul(optarg, &endptr, 0);
808                if (!endptr || *endptr != '\0' || (val & ~0xffff))
809                    die("invalid vendor id '%s'", optarg);
810                vendor_id = (unsigned short)val;
811                break;
812            }
813        case 'h':
814            usage();
815            return 1;
816        case '?':
817            return 1;
818        default:
819            abort();
820        }
821    }
822
823    argc -= optind;
824    argv += optind;
825
826    if (argc == 0 && !wants_wipe) {
827        usage();
828        return 1;
829    }
830
831    if (!strcmp(*argv, "devices")) {
832        skip(1);
833        list_devices();
834        return 0;
835    }
836
837    usb = open_device();
838
839    while (argc > 0) {
840        if(!strcmp(*argv, "getvar")) {
841            require(2);
842            fb_queue_display(argv[1], argv[1]);
843            skip(2);
844        } else if(!strcmp(*argv, "erase")) {
845            require(2);
846            fb_queue_erase(argv[1]);
847            skip(2);
848        } else if(!strcmp(*argv, "format")) {
849            require(2);
850            fb_queue_format(argv[1], 0);
851            skip(2);
852        } else if(!strcmp(*argv, "signature")) {
853            require(2);
854            data = load_file(argv[1], &sz);
855            if (data == 0) die("could not load '%s': %s", argv[1], strerror(errno));
856            if (sz != 256) die("signature must be 256 bytes");
857            fb_queue_download("signature", data, sz);
858            fb_queue_command("signature", "installing signature");
859            skip(2);
860        } else if(!strcmp(*argv, "reboot")) {
861            wants_reboot = 1;
862            skip(1);
863        } else if(!strcmp(*argv, "reboot-bootloader")) {
864            wants_reboot_bootloader = 1;
865            skip(1);
866        } else if (!strcmp(*argv, "continue")) {
867            fb_queue_command("continue", "resuming boot");
868            skip(1);
869        } else if(!strcmp(*argv, "boot")) {
870            char *kname = 0;
871            char *rname = 0;
872            skip(1);
873            if (argc > 0) {
874                kname = argv[0];
875                skip(1);
876            }
877            if (argc > 0) {
878                rname = argv[0];
879                skip(1);
880            }
881            data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
882            if (data == 0) return 1;
883            fb_queue_download("boot.img", data, sz);
884            fb_queue_command("boot", "booting");
885        } else if(!strcmp(*argv, "flash")) {
886            char *pname = argv[1];
887            char *fname = 0;
888            require(2);
889            if (argc > 2) {
890                fname = argv[2];
891                skip(3);
892            } else {
893                fname = find_item(pname, product);
894                skip(2);
895            }
896            if (fname == 0) die("cannot determine image filename for '%s'", pname);
897            do_flash(usb, pname, fname);
898        } else if(!strcmp(*argv, "flash:raw")) {
899            char *pname = argv[1];
900            char *kname = argv[2];
901            char *rname = 0;
902            require(3);
903            if(argc > 3) {
904                rname = argv[3];
905                skip(4);
906            } else {
907                skip(3);
908            }
909            data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
910            if (data == 0) die("cannot load bootable image");
911            fb_queue_flash(pname, data, sz);
912        } else if(!strcmp(*argv, "flashall")) {
913            skip(1);
914            do_flashall();
915            wants_reboot = 1;
916        } else if(!strcmp(*argv, "update")) {
917            if (argc > 1) {
918                do_update(argv[1]);
919                skip(2);
920            } else {
921                do_update("update.zip");
922                skip(1);
923            }
924            wants_reboot = 1;
925        } else if(!strcmp(*argv, "oem")) {
926            argc = do_oem_command(argc, argv);
927        } else if (!strcmp(*argv, "help")) {
928            usage();
929            return 0;
930        } else {
931            usage();
932            return 1;
933        }
934    }
935
936    if (wants_wipe) {
937        fb_queue_erase("userdata");
938        fb_queue_format("userdata", 1);
939        fb_queue_erase("cache");
940        fb_queue_format("cache", 1);
941    }
942    if (wants_reboot) {
943        fb_queue_reboot();
944    } else if (wants_reboot_bootloader) {
945        fb_queue_command("reboot-bootloader", "rebooting into bootloader");
946    }
947
948    status = fb_execute_queue(usb);
949    return (status) ? 1 : 0;
950}
951