fastboot.c revision 9a70e5c33891632c89c9f3f03e30d7183227d661 
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 int long_listing = 0;
76static int64_t sparse_limit = -1;
77static int64_t target_sparse_limit = -1;
78
79static unsigned base_addr = 0x10000000;
80
81void die(const char *fmt, ...)
82{
83    va_list ap;
84    va_start(ap, fmt);
85    fprintf(stderr,"error: ");
86    vfprintf(stderr, fmt, ap);
87    fprintf(stderr,"\n");
88    va_end(ap);
89    exit(1);
90}
91
92void get_my_path(char *path);
93
94char *find_item(const char *item, const char *product)
95{
96    char *dir;
97    char *fn;
98    char path[PATH_MAX + 128];
99
100    if(!strcmp(item,"boot")) {
101        fn = "boot.img";
102    } else if(!strcmp(item,"recovery")) {
103        fn = "recovery.img";
104    } else if(!strcmp(item,"system")) {
105        fn = "system.img";
106    } else if(!strcmp(item,"userdata")) {
107        fn = "userdata.img";
108    } else if(!strcmp(item,"cache")) {
109        fn = "cache.img";
110    } else if(!strcmp(item,"info")) {
111        fn = "android-info.txt";
112    } else {
113        fprintf(stderr,"unknown partition '%s'\n", item);
114        return 0;
115    }
116
117    if(product) {
118        get_my_path(path);
119        sprintf(path + strlen(path),
120                "../../../target/product/%s/%s", product, fn);
121        return strdup(path);
122    }
123
124    dir = getenv("ANDROID_PRODUCT_OUT");
125    if((dir == 0) || (dir[0] == 0)) {
126        die("neither -p product specified nor ANDROID_PRODUCT_OUT set");
127        return 0;
128    }
129
130    sprintf(path, "%s/%s", dir, fn);
131    return strdup(path);
132}
133
134#ifdef _WIN32
135void *load_file(const char *fn, unsigned *_sz);
136int64_t file_size(const char *fn);
137#else
138#if defined(__APPLE__) && defined(__MACH__)
139#define lseek64 lseek
140#define off64_t off_t
141#endif
142
143int64_t file_size(const char *fn)
144{
145    off64_t off;
146    int fd;
147
148    fd = open(fn, O_RDONLY);
149    if (fd < 0) return -1;
150
151    off = lseek64(fd, 0, SEEK_END);
152    close(fd);
153
154    return off;
155}
156
157void *load_file(const char *fn, unsigned *_sz)
158{
159    char *data;
160    int sz;
161    int fd;
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    close(fd);
183    if(data != 0) free(data);
184    return 0;
185}
186#endif
187
188int match_fastboot(usb_ifc_info *info)
189{
190    return match_fastboot_with_serial(info, serial);
191}
192
193int match_fastboot_with_serial(usb_ifc_info *info, const char *local_serial)
194{
195    if(!(vendor_id && (info->dev_vendor == vendor_id)) &&
196       (info->dev_vendor != 0x18d1) &&  // Google
197       (info->dev_vendor != 0x8087) &&  // Intel
198       (info->dev_vendor != 0x0451) &&
199       (info->dev_vendor != 0x0502) &&
200       (info->dev_vendor != 0x0fce) &&  // Sony Ericsson
201       (info->dev_vendor != 0x05c6) &&  // Qualcomm
202       (info->dev_vendor != 0x22b8) &&  // Motorola
203       (info->dev_vendor != 0x0955) &&  // Nvidia
204       (info->dev_vendor != 0x413c) &&  // DELL
205       (info->dev_vendor != 0x2314) &&  // INQ Mobile
206       (info->dev_vendor != 0x0b05) &&  // Asus
207       (info->dev_vendor != 0x0bb4))    // HTC
208            return -1;
209    if(info->ifc_class != 0xff) return -1;
210    if(info->ifc_subclass != 0x42) return -1;
211    if(info->ifc_protocol != 0x03) return -1;
212    // require matching serial number or device path if requested
213    // at the command line with the -s option.
214    if (local_serial && (strcmp(local_serial, info->serial_number) != 0 &&
215                   strcmp(local_serial, info->device_path) != 0)) return -1;
216    return 0;
217}
218
219int list_devices_callback(usb_ifc_info *info)
220{
221    if (match_fastboot_with_serial(info, NULL) == 0) {
222        char* serial = info->serial_number;
223        if (!info->writable) {
224            serial = "no permissions"; // like "adb devices"
225        }
226        if (!serial[0]) {
227            serial = "????????????";
228        }
229        // output compatible with "adb devices"
230        if (!long_listing) {
231            printf("%s\tfastboot\n", serial);
232        } else if (!info->device_path) {
233            printf("%-22s fastboot\n", serial);
234        } else {
235            printf("%-22s fastboot %s\n", serial, info->device_path);
236        }
237    }
238
239    return -1;
240}
241
242usb_handle *open_device(void)
243{
244    static usb_handle *usb = 0;
245    int announce = 1;
246
247    if(usb) return usb;
248
249    for(;;) {
250        usb = usb_open(match_fastboot);
251        if(usb) return usb;
252        if(announce) {
253            announce = 0;
254            fprintf(stderr,"< waiting for device >\n");
255        }
256        sleep(1);
257    }
258}
259
260void list_devices(void) {
261    // We don't actually open a USB device here,
262    // just getting our callback called so we can
263    // list all the connected devices.
264    usb_open(list_devices_callback);
265}
266
267void usage(void)
268{
269    fprintf(stderr,
270/*           1234567890123456789012345678901234567890123456789012345678901234567890123456 */
271            "usage: fastboot [ <option> ] <command>\n"
272            "\n"
273            "commands:\n"
274            "  update <filename>                        reflash device from update.zip\n"
275            "  flashall                                 flash boot + recovery + system\n"
276            "  flash <partition> [ <filename> ]         write a file to a flash partition\n"
277            "  erase <partition>                        erase a flash partition\n"
278            "  format <partition>                       format a flash partition \n"
279            "  getvar <variable>                        display a bootloader variable\n"
280            "  boot <kernel> [ <ramdisk> ]              download and boot kernel\n"
281            "  flash:raw boot <kernel> [ <ramdisk> ]    create bootimage and flash it\n"
282            "  devices                                  list all connected devices\n"
283            "  continue                                 continue with autoboot\n"
284            "  reboot                                   reboot device normally\n"
285            "  reboot-bootloader                        reboot device into bootloader\n"
286            "  help                                     show this help message\n"
287            "\n"
288            "options:\n"
289            "  -w                                       erase userdata and cache\n"
290            "  -s <specific device>                     specify device serial number\n"
291            "                                           or path to device port\n"
292            "  -l                                       with \"devices\", lists device paths\n"
293            "  -p <product>                             specify product name\n"
294            "  -c <cmdline>                             override kernel commandline\n"
295            "  -i <vendor id>                           specify a custom USB vendor id\n"
296            "  -b <base_addr>                           specify a custom kernel base address\n"
297            "  -n <page size>                           specify the nand page size. default: 2048\n"
298            "  -S <size>[K|M|G]                         automatically sparse files greater than\n"
299            "                                           size. default: 256M, 0 to disable\n"
300        );
301}
302
303void *load_bootable_image(unsigned page_size, const char *kernel, const char *ramdisk,
304                          unsigned *sz, const char *cmdline)
305{
306    void *kdata = 0, *rdata = 0;
307    unsigned ksize = 0, rsize = 0;
308    void *bdata;
309    unsigned bsize;
310
311    if(kernel == 0) {
312        fprintf(stderr, "no image specified\n");
313        return 0;
314    }
315
316    kdata = load_file(kernel, &ksize);
317    if(kdata == 0) {
318        fprintf(stderr, "cannot load '%s'\n", kernel);
319        return 0;
320    }
321
322        /* is this actually a boot image? */
323    if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
324        if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
325
326        if(ramdisk) {
327            fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
328            return 0;
329        }
330
331        *sz = ksize;
332        return kdata;
333    }
334
335    if(ramdisk) {
336        rdata = load_file(ramdisk, &rsize);
337        if(rdata == 0) {
338            fprintf(stderr,"cannot load '%s'\n", ramdisk);
339            return  0;
340        }
341    }
342
343    fprintf(stderr,"creating boot image...\n");
344    bdata = mkbootimg(kdata, ksize, rdata, rsize, 0, 0, page_size, base_addr, &bsize);
345    if(bdata == 0) {
346        fprintf(stderr,"failed to create boot.img\n");
347        return 0;
348    }
349    if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
350    fprintf(stderr,"creating boot image - %d bytes\n", bsize);
351    *sz = bsize;
352
353    return bdata;
354}
355
356void *unzip_file(zipfile_t zip, const char *name, unsigned *sz)
357{
358    void *data;
359    zipentry_t entry;
360    unsigned datasz;
361
362    entry = lookup_zipentry(zip, name);
363    if (entry == NULL) {
364        fprintf(stderr, "archive does not contain '%s'\n", name);
365        return 0;
366    }
367
368    *sz = get_zipentry_size(entry);
369
370    datasz = *sz * 1.001;
371    data = malloc(datasz);
372
373    if(data == 0) {
374        fprintf(stderr, "failed to allocate %d bytes\n", *sz);
375        return 0;
376    }
377
378    if (decompress_zipentry(entry, data, datasz)) {
379        fprintf(stderr, "failed to unzip '%s' from archive\n", name);
380        free(data);
381        return 0;
382    }
383
384    return data;
385}
386
387static char *strip(char *s)
388{
389    int n;
390    while(*s && isspace(*s)) s++;
391    n = strlen(s);
392    while(n-- > 0) {
393        if(!isspace(s[n])) break;
394        s[n] = 0;
395    }
396    return s;
397}
398
399#define MAX_OPTIONS 32
400static int setup_requirement_line(char *name)
401{
402    char *val[MAX_OPTIONS];
403    const char **out;
404    char *prod = NULL;
405    unsigned n, count;
406    char *x;
407    int invert = 0;
408
409    if (!strncmp(name, "reject ", 7)) {
410        name += 7;
411        invert = 1;
412    } else if (!strncmp(name, "require ", 8)) {
413        name += 8;
414        invert = 0;
415    } else if (!strncmp(name, "require-for-product:", 20)) {
416        // Get the product and point name past it
417        prod = name + 20;
418        name = strchr(name, ' ');
419        if (!name) return -1;
420        *name = 0;
421        name += 1;
422        invert = 0;
423    }
424
425    x = strchr(name, '=');
426    if (x == 0) return 0;
427    *x = 0;
428    val[0] = x + 1;
429
430    for(count = 1; count < MAX_OPTIONS; count++) {
431        x = strchr(val[count - 1],'|');
432        if (x == 0) break;
433        *x = 0;
434        val[count] = x + 1;
435    }
436
437    name = strip(name);
438    for(n = 0; n < count; n++) val[n] = strip(val[n]);
439
440    name = strip(name);
441    if (name == 0) return -1;
442
443        /* work around an unfortunate name mismatch */
444    if (!strcmp(name,"board")) name = "product";
445
446    out = malloc(sizeof(char*) * count);
447    if (out == 0) return -1;
448
449    for(n = 0; n < count; n++) {
450        out[n] = strdup(strip(val[n]));
451        if (out[n] == 0) return -1;
452    }
453
454    fb_queue_require(prod, name, invert, n, out);
455    return 0;
456}
457
458static void setup_requirements(char *data, unsigned sz)
459{
460    char *s;
461
462    s = data;
463    while (sz-- > 0) {
464        if(*s == '\n') {
465            *s++ = 0;
466            if (setup_requirement_line(data)) {
467                die("out of memory");
468            }
469            data = s;
470        } else {
471            s++;
472        }
473    }
474}
475
476void queue_info_dump(void)
477{
478    fb_queue_notice("--------------------------------------------");
479    fb_queue_display("version-bootloader", "Bootloader Version...");
480    fb_queue_display("version-baseband",   "Baseband Version.....");
481    fb_queue_display("serialno",           "Serial Number........");
482    fb_queue_notice("--------------------------------------------");
483}
484
485
486struct sparse_file **load_sparse_files(const char *fname, int max_size)
487{
488    int fd;
489    struct sparse_file *s;
490    int files;
491    struct sparse_file **out_s;
492
493    fd = open(fname, O_RDONLY | O_BINARY);
494    if (fd < 0) {
495        die("cannot open '%s'\n", fname);
496    }
497
498    s = sparse_file_import_auto(fd, false);
499    if (!s) {
500        die("cannot sparse read file '%s'\n", fname);
501    }
502
503    files = sparse_file_resparse(s, max_size, NULL, 0);
504    if (files < 0) {
505        die("Failed to resparse '%s'\n", fname);
506    }
507
508    out_s = calloc(sizeof(struct sparse_file *), files + 1);
509    if (!out_s) {
510        die("Failed to allocate sparse file array\n");
511    }
512
513    files = sparse_file_resparse(s, max_size, out_s, files);
514    if (files < 0) {
515        die("Failed to resparse '%s'\n", fname);
516    }
517
518    return out_s;
519}
520
521static int64_t get_target_sparse_limit(struct usb_handle *usb)
522{
523    int64_t limit = 0;
524    char response[FB_RESPONSE_SZ + 1];
525    int status = fb_getvar(usb, response, "max-download-size");
526
527    if (!status) {
528        limit = strtoul(response, NULL, 0);
529        if (limit > 0) {
530            fprintf(stderr, "target reported max download size of %lld bytes\n",
531                    limit);
532        }
533    }
534
535    return limit;
536}
537
538static int64_t get_sparse_limit(struct usb_handle *usb, int64_t size)
539{
540    int64_t limit;
541
542    if (sparse_limit == 0) {
543        return 0;
544    } else if (sparse_limit > 0) {
545        limit = sparse_limit;
546    } else {
547        if (target_sparse_limit == -1) {
548            target_sparse_limit = get_target_sparse_limit(usb);
549        }
550        if (target_sparse_limit > 0) {
551            limit = target_sparse_limit;
552        } else {
553            limit = DEFAULT_SPARSE_LIMIT;
554        }
555    }
556
557    if (size > limit) {
558        return limit;
559    }
560
561    return 0;
562}
563
564void do_flash(usb_handle *usb, const char *pname, const char *fname)
565{
566    int64_t sz64;
567    void *data;
568    int64_t limit;
569
570    sz64 = file_size(fname);
571    limit = get_sparse_limit(usb, sz64);
572    if (limit) {
573        struct sparse_file **s = load_sparse_files(fname, limit);
574        if (s == NULL) {
575            die("cannot sparse load '%s'\n", fname);
576        }
577        while (*s) {
578            sz64 = sparse_file_len(*s, true, false);
579            fb_queue_flash_sparse(pname, *s++, sz64);
580        }
581    } else {
582        unsigned int sz;
583        data = load_file(fname, &sz);
584        if (data == 0) die("cannot load '%s'\n", fname);
585        fb_queue_flash(pname, data, sz);
586    }
587}
588
589void do_update_signature(zipfile_t zip, char *fn)
590{
591    void *data;
592    unsigned sz;
593    data = unzip_file(zip, fn, &sz);
594    if (data == 0) return;
595    fb_queue_download("signature", data, sz);
596    fb_queue_command("signature", "installing signature");
597}
598
599void do_update(char *fn)
600{
601    void *zdata;
602    unsigned zsize;
603    void *data;
604    unsigned sz;
605    zipfile_t zip;
606
607    queue_info_dump();
608
609    fb_queue_query_save("product", cur_product, sizeof(cur_product));
610
611    zdata = load_file(fn, &zsize);
612    if (zdata == 0) die("failed to load '%s'", fn);
613
614    zip = init_zipfile(zdata, zsize);
615    if(zip == 0) die("failed to access zipdata in '%s'");
616
617    data = unzip_file(zip, "android-info.txt", &sz);
618    if (data == 0) {
619        char *tmp;
620            /* fallback for older zipfiles */
621        data = unzip_file(zip, "android-product.txt", &sz);
622        if ((data == 0) || (sz < 1)) {
623            die("update package has no android-info.txt or android-product.txt");
624        }
625        tmp = malloc(sz + 128);
626        if (tmp == 0) die("out of memory");
627        sprintf(tmp,"board=%sversion-baseband=0.66.04.19\n",(char*)data);
628        data = tmp;
629        sz = strlen(tmp);
630    }
631
632    setup_requirements(data, sz);
633
634    data = unzip_file(zip, "boot.img", &sz);
635    if (data == 0) die("update package missing boot.img");
636    do_update_signature(zip, "boot.sig");
637    fb_queue_flash("boot", data, sz);
638
639    data = unzip_file(zip, "recovery.img", &sz);
640    if (data != 0) {
641        do_update_signature(zip, "recovery.sig");
642        fb_queue_flash("recovery", data, sz);
643    }
644
645    data = unzip_file(zip, "system.img", &sz);
646    if (data == 0) die("update package missing system.img");
647    do_update_signature(zip, "system.sig");
648    fb_queue_flash("system", data, sz);
649}
650
651void do_send_signature(char *fn)
652{
653    void *data;
654    unsigned sz;
655    char *xtn;
656
657    xtn = strrchr(fn, '.');
658    if (!xtn) return;
659    if (strcmp(xtn, ".img")) return;
660
661    strcpy(xtn,".sig");
662    data = load_file(fn, &sz);
663    strcpy(xtn,".img");
664    if (data == 0) return;
665    fb_queue_download("signature", data, sz);
666    fb_queue_command("signature", "installing signature");
667}
668
669void do_flashall(void)
670{
671    char *fname;
672    void *data;
673    unsigned sz;
674
675    queue_info_dump();
676
677    fb_queue_query_save("product", cur_product, sizeof(cur_product));
678
679    fname = find_item("info", product);
680    if (fname == 0) die("cannot find android-info.txt");
681    data = load_file(fname, &sz);
682    if (data == 0) die("could not load android-info.txt");
683    setup_requirements(data, sz);
684
685    fname = find_item("boot", product);
686    data = load_file(fname, &sz);
687    if (data == 0) die("could not load boot.img");
688    do_send_signature(fname);
689    fb_queue_flash("boot", data, sz);
690
691    fname = find_item("recovery", product);
692    data = load_file(fname, &sz);
693    if (data != 0) {
694        do_send_signature(fname);
695        fb_queue_flash("recovery", data, sz);
696    }
697
698    fname = find_item("system", product);
699    data = load_file(fname, &sz);
700    if (data == 0) die("could not load system.img");
701    do_send_signature(fname);
702    fb_queue_flash("system", data, sz);
703}
704
705#define skip(n) do { argc -= (n); argv += (n); } while (0)
706#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
707
708int do_oem_command(int argc, char **argv)
709{
710    int i;
711    char command[256];
712    if (argc <= 1) return 0;
713
714    command[0] = 0;
715    while(1) {
716        strcat(command,*argv);
717        skip(1);
718        if(argc == 0) break;
719        strcat(command," ");
720    }
721
722    fb_queue_command(command,"");
723    return 0;
724}
725
726static int64_t parse_num(const char *arg)
727{
728    char *endptr;
729    unsigned long long num;
730
731    num = strtoull(arg, &endptr, 0);
732    if (endptr == arg) {
733        return -1;
734    }
735
736    if (*endptr == 'k' || *endptr == 'K') {
737        if (num >= (-1ULL) / 1024) {
738            return -1;
739        }
740        num *= 1024LL;
741        endptr++;
742    } else if (*endptr == 'm' || *endptr == 'M') {
743        if (num >= (-1ULL) / (1024 * 1024)) {
744            return -1;
745        }
746        num *= 1024LL * 1024LL;
747        endptr++;
748    } else if (*endptr == 'g' || *endptr == 'G') {
749        if (num >= (-1ULL) / (1024 * 1024 * 1024)) {
750            return -1;
751        }
752        num *= 1024LL * 1024LL * 1024LL;
753        endptr++;
754    }
755
756    if (*endptr != '\0') {
757        return -1;
758    }
759
760    if (num > INT64_MAX) {
761        return -1;
762    }
763
764    return num;
765}
766
767int main(int argc, char **argv)
768{
769    int wants_wipe = 0;
770    int wants_reboot = 0;
771    int wants_reboot_bootloader = 0;
772    void *data;
773    unsigned sz;
774    unsigned page_size = 2048;
775    int status;
776    int c;
777    int r;
778
779    const struct option longopts = { 0, 0, 0, 0 };
780
781    serial = getenv("ANDROID_SERIAL");
782
783    while (1) {
784        c = getopt_long(argc, argv, "wb:n:s:S:lp:c:i:m:h", &longopts, NULL);
785        if (c < 0) {
786            break;
787        }
788
789        switch (c) {
790        case 'w':
791            wants_wipe = 1;
792            break;
793        case 'b':
794            base_addr = strtoul(optarg, 0, 16);
795            break;
796        case 'n':
797            page_size = (unsigned)strtoul(optarg, NULL, 0);
798            if (!page_size) die("invalid page size");
799            break;
800        case 's':
801            serial = optarg;
802            break;
803        case 'S':
804            sparse_limit = parse_num(optarg);
805            if (sparse_limit < 0) {
806                    die("invalid sparse limit");
807            }
808            break;
809        case 'l':
810            long_listing = 1;
811            break;
812        case 'p':
813            product = optarg;
814            break;
815        case 'c':
816            cmdline = optarg;
817            break;
818        case 'i': {
819                char *endptr = NULL;
820                unsigned long val;
821
822                val = strtoul(optarg, &endptr, 0);
823                if (!endptr || *endptr != '\0' || (val & ~0xffff))
824                    die("invalid vendor id '%s'", optarg);
825                vendor_id = (unsigned short)val;
826                break;
827            }
828        case 'h':
829            usage();
830            return 1;
831        case '?':
832            return 1;
833        default:
834            abort();
835        }
836    }
837
838    argc -= optind;
839    argv += optind;
840
841    if (argc == 0 && !wants_wipe) {
842        usage();
843        return 1;
844    }
845
846    if (!strcmp(*argv, "devices")) {
847        skip(1);
848        list_devices();
849        return 0;
850    }
851
852    usb = open_device();
853
854    while (argc > 0) {
855        if(!strcmp(*argv, "getvar")) {
856            require(2);
857            fb_queue_display(argv[1], argv[1]);
858            skip(2);
859        } else if(!strcmp(*argv, "erase")) {
860            require(2);
861            fb_queue_erase(argv[1]);
862            skip(2);
863        } else if(!strcmp(*argv, "format")) {
864            require(2);
865            fb_queue_format(argv[1], 0);
866            skip(2);
867        } else if(!strcmp(*argv, "signature")) {
868            require(2);
869            data = load_file(argv[1], &sz);
870            if (data == 0) die("could not load '%s'", argv[1]);
871            if (sz != 256) die("signature must be 256 bytes");
872            fb_queue_download("signature", data, sz);
873            fb_queue_command("signature", "installing signature");
874            skip(2);
875        } else if(!strcmp(*argv, "reboot")) {
876            wants_reboot = 1;
877            skip(1);
878        } else if(!strcmp(*argv, "reboot-bootloader")) {
879            wants_reboot_bootloader = 1;
880            skip(1);
881        } else if (!strcmp(*argv, "continue")) {
882            fb_queue_command("continue", "resuming boot");
883            skip(1);
884        } else if(!strcmp(*argv, "boot")) {
885            char *kname = 0;
886            char *rname = 0;
887            skip(1);
888            if (argc > 0) {
889                kname = argv[0];
890                skip(1);
891            }
892            if (argc > 0) {
893                rname = argv[0];
894                skip(1);
895            }
896            data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
897            if (data == 0) return 1;
898            fb_queue_download("boot.img", data, sz);
899            fb_queue_command("boot", "booting");
900        } else if(!strcmp(*argv, "flash")) {
901            char *pname = argv[1];
902            char *fname = 0;
903            require(2);
904            if (argc > 2) {
905                fname = argv[2];
906                skip(3);
907            } else {
908                fname = find_item(pname, product);
909                skip(2);
910            }
911            if (fname == 0) die("cannot determine image filename for '%s'", pname);
912            do_flash(usb, pname, fname);
913        } else if(!strcmp(*argv, "flash:raw")) {
914            char *pname = argv[1];
915            char *kname = argv[2];
916            char *rname = 0;
917            require(3);
918            if(argc > 3) {
919                rname = argv[3];
920                skip(4);
921            } else {
922                skip(3);
923            }
924            data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
925            if (data == 0) die("cannot load bootable image");
926            fb_queue_flash(pname, data, sz);
927        } else if(!strcmp(*argv, "flashall")) {
928            skip(1);
929            do_flashall();
930            wants_reboot = 1;
931        } else if(!strcmp(*argv, "update")) {
932            if (argc > 1) {
933                do_update(argv[1]);
934                skip(2);
935            } else {
936                do_update("update.zip");
937                skip(1);
938            }
939            wants_reboot = 1;
940        } else if(!strcmp(*argv, "oem")) {
941            argc = do_oem_command(argc, argv);
942        } else if (!strcmp(*argv, "help")) {
943            usage();
944            return 0;
945        } else {
946            usage();
947            return 1;
948        }
949    }
950
951    if (wants_wipe) {
952        fb_queue_erase("userdata");
953        fb_queue_format("userdata", 1);
954        fb_queue_erase("cache");
955        fb_queue_format("cache", 1);
956    }
957    if (wants_reboot) {
958        fb_queue_reboot();
959    } else if (wants_reboot_bootloader) {
960        fb_queue_command("reboot-bootloader", "rebooting into bootloader");
961    }
962
963    if (fb_queue_is_empty())
964        return 0;
965
966    status = fb_execute_queue(usb);
967    return (status) ? 1 : 0;
968}
969