fastboot.c revision 7b8970c577c788c9af582dac797c63b3134b201e 
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, unsigned kernel_offset,
62                        void *ramdisk, unsigned ramdisk_size, unsigned ramdisk_offset,
63                        void *second, unsigned second_size, unsigned second_offset,
64                        unsigned page_size, unsigned base, unsigned tags_offset,
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
77unsigned page_size = 2048;
78unsigned base_addr      = 0x10000000;
79unsigned kernel_offset  = 0x00008000;
80unsigned ramdisk_offset = 0x01000000;
81unsigned second_offset  = 0x00f00000;
82unsigned tags_offset    = 0x00000100;
83
84
85void die(const char *fmt, ...)
86{
87    va_list ap;
88    va_start(ap, fmt);
89    fprintf(stderr,"error: ");
90    vfprintf(stderr, fmt, ap);
91    fprintf(stderr,"\n");
92    va_end(ap);
93    exit(1);
94}
95
96void get_my_path(char *path);
97
98char *find_item(const char *item, const char *product)
99{
100    char *dir;
101    char *fn;
102    char path[PATH_MAX + 128];
103
104    if(!strcmp(item,"boot")) {
105        fn = "boot.img";
106    } else if(!strcmp(item,"recovery")) {
107        fn = "recovery.img";
108    } else if(!strcmp(item,"system")) {
109        fn = "system.img";
110    } else if(!strcmp(item,"userdata")) {
111        fn = "userdata.img";
112    } else if(!strcmp(item,"cache")) {
113        fn = "cache.img";
114    } else if(!strcmp(item,"info")) {
115        fn = "android-info.txt";
116    } else {
117        fprintf(stderr,"unknown partition '%s'\n", item);
118        return 0;
119    }
120
121    if(product) {
122        get_my_path(path);
123        sprintf(path + strlen(path),
124                "../../../target/product/%s/%s", product, fn);
125        return strdup(path);
126    }
127
128    dir = getenv("ANDROID_PRODUCT_OUT");
129    if((dir == 0) || (dir[0] == 0)) {
130        die("neither -p product specified nor ANDROID_PRODUCT_OUT set");
131        return 0;
132    }
133
134    sprintf(path, "%s/%s", dir, fn);
135    return strdup(path);
136}
137
138#ifdef _WIN32
139void *load_file(const char *fn, unsigned *_sz);
140int64_t file_size(const char *fn);
141#else
142#if defined(__APPLE__) && defined(__MACH__)
143#define lseek64 lseek
144#define off64_t off_t
145#endif
146
147int64_t file_size(const char *fn)
148{
149    off64_t off;
150    int fd;
151
152    fd = open(fn, O_RDONLY);
153    if (fd < 0) return -1;
154
155    off = lseek64(fd, 0, SEEK_END);
156    close(fd);
157
158    return off;
159}
160
161void *load_file(const char *fn, unsigned *_sz)
162{
163    char *data;
164    int sz;
165    int fd;
166    int errno_tmp;
167
168    data = 0;
169    fd = open(fn, O_RDONLY);
170    if(fd < 0) return 0;
171
172    sz = lseek(fd, 0, SEEK_END);
173    if(sz < 0) goto oops;
174
175    if(lseek(fd, 0, SEEK_SET) != 0) goto oops;
176
177    data = (char*) malloc(sz);
178    if(data == 0) goto oops;
179
180    if(read(fd, data, sz) != sz) goto oops;
181    close(fd);
182
183    if(_sz) *_sz = sz;
184    return data;
185
186oops:
187    errno_tmp = errno;
188    close(fd);
189    if(data != 0) free(data);
190    errno = errno_tmp;
191    return 0;
192}
193#endif
194
195int match_fastboot_with_serial(usb_ifc_info *info, const char *local_serial)
196{
197    if(!(vendor_id && (info->dev_vendor == vendor_id)) &&
198       (info->dev_vendor != 0x18d1) &&  // Google
199       (info->dev_vendor != 0x8087) &&  // Intel
200       (info->dev_vendor != 0x0451) &&
201       (info->dev_vendor != 0x0502) &&
202       (info->dev_vendor != 0x0fce) &&  // Sony Ericsson
203       (info->dev_vendor != 0x05c6) &&  // Qualcomm
204       (info->dev_vendor != 0x22b8) &&  // Motorola
205       (info->dev_vendor != 0x0955) &&  // Nvidia
206       (info->dev_vendor != 0x413c) &&  // DELL
207       (info->dev_vendor != 0x2314) &&  // INQ Mobile
208       (info->dev_vendor != 0x0b05) &&  // Asus
209       (info->dev_vendor != 0x0bb4))    // HTC
210            return -1;
211    if(info->ifc_class != 0xff) return -1;
212    if(info->ifc_subclass != 0x42) return -1;
213    if(info->ifc_protocol != 0x03) return -1;
214    // require matching serial number or device path if requested
215    // at the command line with the -s option.
216    if (local_serial && (strcmp(local_serial, info->serial_number) != 0 &&
217                   strcmp(local_serial, info->device_path) != 0)) return -1;
218    return 0;
219}
220
221int match_fastboot(usb_ifc_info *info)
222{
223    return match_fastboot_with_serial(info, serial);
224}
225
226int list_devices_callback(usb_ifc_info *info)
227{
228    if (match_fastboot_with_serial(info, NULL) == 0) {
229        char* serial = info->serial_number;
230        if (!info->writable) {
231            serial = "no permissions"; // like "adb devices"
232        }
233        if (!serial[0]) {
234            serial = "????????????";
235        }
236        // output compatible with "adb devices"
237        if (!long_listing) {
238            printf("%s\tfastboot\n", serial);
239        } else if (!info->device_path) {
240            printf("%-22s fastboot\n", serial);
241        } else {
242            printf("%-22s fastboot %s\n", serial, info->device_path);
243        }
244    }
245
246    return -1;
247}
248
249usb_handle *open_device(void)
250{
251    static usb_handle *usb = 0;
252    int announce = 1;
253
254    if(usb) return usb;
255
256    for(;;) {
257        usb = usb_open(match_fastboot);
258        if(usb) return usb;
259        if(announce) {
260            announce = 0;
261            fprintf(stderr,"< waiting for device >\n");
262        }
263        sleep(1);
264    }
265}
266
267void list_devices(void) {
268    // We don't actually open a USB device here,
269    // just getting our callback called so we can
270    // list all the connected devices.
271    usb_open(list_devices_callback);
272}
273
274void usage(void)
275{
276    fprintf(stderr,
277/*           1234567890123456789012345678901234567890123456789012345678901234567890123456 */
278            "usage: fastboot [ <option> ] <command>\n"
279            "\n"
280            "commands:\n"
281            "  update <filename>                        reflash device from update.zip\n"
282            "  flashall                                 flash boot + recovery + system\n"
283            "  flash <partition> [ <filename> ]         write a file to a flash partition\n"
284            "  erase <partition>                        erase a flash partition\n"
285            "  format <partition>                       format a flash partition \n"
286            "  getvar <variable>                        display a bootloader variable\n"
287            "  boot <kernel> [ <ramdisk> ]              download and boot kernel\n"
288            "  flash:raw boot <kernel> [ <ramdisk> ]    create bootimage and flash it\n"
289            "  devices                                  list all connected devices\n"
290            "  continue                                 continue with autoboot\n"
291            "  reboot                                   reboot device normally\n"
292            "  reboot-bootloader                        reboot device into bootloader\n"
293            "  help                                     show this help message\n"
294            "\n"
295            "options:\n"
296            "  -w                                       erase userdata and cache (and format\n"
297            "                                           if supported by partition type)\n"
298            "  -u                                       do not first erase partition before\n"
299            "                                           formatting\n"
300            "  -s <specific device>                     specify device serial number\n"
301            "                                           or path to device port\n"
302            "  -l                                       with \"devices\", lists device paths\n"
303            "  -p <product>                             specify product name\n"
304            "  -c <cmdline>                             override kernel commandline\n"
305            "  -i <vendor id>                           specify a custom USB vendor id\n"
306            "  -b <base_addr>                           specify a custom kernel base address. default: 0x10000000\n"
307            "  -n <page size>                           specify the nand page size. default: 2048\n"
308            "  -S <size>[K|M|G]                         automatically sparse files greater than\n"
309            "                                           size.  0 to disable\n"
310        );
311}
312
313void *load_bootable_image(const char *kernel, const char *ramdisk,
314                          unsigned *sz, const char *cmdline)
315{
316    void *kdata = 0, *rdata = 0;
317    unsigned ksize = 0, rsize = 0;
318    void *bdata;
319    unsigned bsize;
320
321    if(kernel == 0) {
322        fprintf(stderr, "no image specified\n");
323        return 0;
324    }
325
326    kdata = load_file(kernel, &ksize);
327    if(kdata == 0) {
328        fprintf(stderr, "cannot load '%s': %s\n", kernel, strerror(errno));
329        return 0;
330    }
331
332        /* is this actually a boot image? */
333    if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
334        if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
335
336        if(ramdisk) {
337            fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
338            return 0;
339        }
340
341        *sz = ksize;
342        return kdata;
343    }
344
345    if(ramdisk) {
346        rdata = load_file(ramdisk, &rsize);
347        if(rdata == 0) {
348            fprintf(stderr,"cannot load '%s': %s\n", ramdisk, strerror(errno));
349            return  0;
350        }
351    }
352
353    fprintf(stderr,"creating boot image...\n");
354    bdata = mkbootimg(kdata, ksize, kernel_offset,
355                      rdata, rsize, ramdisk_offset,
356                      0, 0, second_offset,
357                      page_size, base_addr, tags_offset, &bsize);
358    if(bdata == 0) {
359        fprintf(stderr,"failed to create boot.img\n");
360        return 0;
361    }
362    if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
363    fprintf(stderr,"creating boot image - %d bytes\n", bsize);
364    *sz = bsize;
365
366    return bdata;
367}
368
369void *unzip_file(zipfile_t zip, const char *name, unsigned *sz)
370{
371    void *data;
372    zipentry_t entry;
373    unsigned datasz;
374
375    entry = lookup_zipentry(zip, name);
376    if (entry == NULL) {
377        fprintf(stderr, "archive does not contain '%s'\n", name);
378        return 0;
379    }
380
381    *sz = get_zipentry_size(entry);
382
383    datasz = *sz * 1.001;
384    data = malloc(datasz);
385
386    if(data == 0) {
387        fprintf(stderr, "failed to allocate %d bytes\n", *sz);
388        return 0;
389    }
390
391    if (decompress_zipentry(entry, data, datasz)) {
392        fprintf(stderr, "failed to unzip '%s' from archive\n", name);
393        free(data);
394        return 0;
395    }
396
397    return data;
398}
399
400static char *strip(char *s)
401{
402    int n;
403    while(*s && isspace(*s)) s++;
404    n = strlen(s);
405    while(n-- > 0) {
406        if(!isspace(s[n])) break;
407        s[n] = 0;
408    }
409    return s;
410}
411
412#define MAX_OPTIONS 32
413static int setup_requirement_line(char *name)
414{
415    char *val[MAX_OPTIONS];
416    const char **out;
417    char *prod = NULL;
418    unsigned n, count;
419    char *x;
420    int invert = 0;
421
422    if (!strncmp(name, "reject ", 7)) {
423        name += 7;
424        invert = 1;
425    } else if (!strncmp(name, "require ", 8)) {
426        name += 8;
427        invert = 0;
428    } else if (!strncmp(name, "require-for-product:", 20)) {
429        // Get the product and point name past it
430        prod = name + 20;
431        name = strchr(name, ' ');
432        if (!name) return -1;
433        *name = 0;
434        name += 1;
435        invert = 0;
436    }
437
438    x = strchr(name, '=');
439    if (x == 0) return 0;
440    *x = 0;
441    val[0] = x + 1;
442
443    for(count = 1; count < MAX_OPTIONS; count++) {
444        x = strchr(val[count - 1],'|');
445        if (x == 0) break;
446        *x = 0;
447        val[count] = x + 1;
448    }
449
450    name = strip(name);
451    for(n = 0; n < count; n++) val[n] = strip(val[n]);
452
453    name = strip(name);
454    if (name == 0) return -1;
455
456        /* work around an unfortunate name mismatch */
457    if (!strcmp(name,"board")) name = "product";
458
459    out = malloc(sizeof(char*) * count);
460    if (out == 0) return -1;
461
462    for(n = 0; n < count; n++) {
463        out[n] = strdup(strip(val[n]));
464        if (out[n] == 0) return -1;
465    }
466
467    fb_queue_require(prod, name, invert, n, out);
468    return 0;
469}
470
471static void setup_requirements(char *data, unsigned sz)
472{
473    char *s;
474
475    s = data;
476    while (sz-- > 0) {
477        if(*s == '\n') {
478            *s++ = 0;
479            if (setup_requirement_line(data)) {
480                die("out of memory");
481            }
482            data = s;
483        } else {
484            s++;
485        }
486    }
487}
488
489void queue_info_dump(void)
490{
491    fb_queue_notice("--------------------------------------------");
492    fb_queue_display("version-bootloader", "Bootloader Version...");
493    fb_queue_display("version-baseband",   "Baseband Version.....");
494    fb_queue_display("serialno",           "Serial Number........");
495    fb_queue_notice("--------------------------------------------");
496}
497
498
499struct sparse_file **load_sparse_files(const char *fname, int max_size)
500{
501    int fd;
502    struct sparse_file *s;
503    int files;
504    struct sparse_file **out_s;
505
506    fd = open(fname, O_RDONLY | O_BINARY);
507    if (fd < 0) {
508        die("cannot open '%s'\n", fname);
509    }
510
511    s = sparse_file_import_auto(fd, false);
512    if (!s) {
513        die("cannot sparse read file '%s'\n", fname);
514    }
515
516    files = sparse_file_resparse(s, max_size, NULL, 0);
517    if (files < 0) {
518        die("Failed to resparse '%s'\n", fname);
519    }
520
521    out_s = calloc(sizeof(struct sparse_file *), files + 1);
522    if (!out_s) {
523        die("Failed to allocate sparse file array\n");
524    }
525
526    files = sparse_file_resparse(s, max_size, out_s, files);
527    if (files < 0) {
528        die("Failed to resparse '%s'\n", fname);
529    }
530
531    return out_s;
532}
533
534static int64_t get_target_sparse_limit(struct usb_handle *usb)
535{
536    int64_t limit = 0;
537    char response[FB_RESPONSE_SZ + 1];
538    int status = fb_getvar(usb, response, "max-download-size");
539
540    if (!status) {
541        limit = strtoul(response, NULL, 0);
542        if (limit > 0) {
543            fprintf(stderr, "target reported max download size of %lld bytes\n",
544                    limit);
545        }
546    }
547
548    return limit;
549}
550
551static int64_t get_sparse_limit(struct usb_handle *usb, int64_t size)
552{
553    int64_t limit;
554
555    if (sparse_limit == 0) {
556        return 0;
557    } else if (sparse_limit > 0) {
558        limit = sparse_limit;
559    } else {
560        if (target_sparse_limit == -1) {
561            target_sparse_limit = get_target_sparse_limit(usb);
562        }
563        if (target_sparse_limit > 0) {
564            limit = target_sparse_limit;
565        } else {
566            return 0;
567        }
568    }
569
570    if (size > limit) {
571        return limit;
572    }
573
574    return 0;
575}
576
577/* Until we get lazy inode table init working in make_ext4fs, we need to
578 * erase partitions of type ext4 before flashing a filesystem so no stale
579 * inodes are left lying around.  Otherwise, e2fsck gets very upset.
580 */
581static int needs_erase(const char *part)
582{
583    /* The function fb_format_supported() currently returns the value
584     * we want, so just call it.
585     */
586     return fb_format_supported(usb, part);
587}
588
589void do_flash(usb_handle *usb, const char *pname, const char *fname)
590{
591    int64_t sz64;
592    void *data;
593    int64_t limit;
594
595    sz64 = file_size(fname);
596    limit = get_sparse_limit(usb, sz64);
597    if (limit) {
598        struct sparse_file **s = load_sparse_files(fname, limit);
599        if (s == NULL) {
600            die("cannot sparse load '%s'\n", fname);
601        }
602        while (*s) {
603            sz64 = sparse_file_len(*s, true, false);
604            fb_queue_flash_sparse(pname, *s++, sz64);
605        }
606    } else {
607        unsigned int sz;
608        data = load_file(fname, &sz);
609        if (data == 0) die("cannot load '%s': %s\n", fname, strerror(errno));
610        fb_queue_flash(pname, data, sz);
611    }
612}
613
614void do_update_signature(zipfile_t zip, char *fn)
615{
616    void *data;
617    unsigned sz;
618    data = unzip_file(zip, fn, &sz);
619    if (data == 0) return;
620    fb_queue_download("signature", data, sz);
621    fb_queue_command("signature", "installing signature");
622}
623
624void do_update(char *fn, int erase_first)
625{
626    void *zdata;
627    unsigned zsize;
628    void *data;
629    unsigned sz;
630    zipfile_t zip;
631
632    queue_info_dump();
633
634    fb_queue_query_save("product", cur_product, sizeof(cur_product));
635
636    zdata = load_file(fn, &zsize);
637    if (zdata == 0) die("failed to load '%s': %s", fn, strerror(errno));
638
639    zip = init_zipfile(zdata, zsize);
640    if(zip == 0) die("failed to access zipdata in '%s'");
641
642    data = unzip_file(zip, "android-info.txt", &sz);
643    if (data == 0) {
644        char *tmp;
645            /* fallback for older zipfiles */
646        data = unzip_file(zip, "android-product.txt", &sz);
647        if ((data == 0) || (sz < 1)) {
648            die("update package has no android-info.txt or android-product.txt");
649        }
650        tmp = malloc(sz + 128);
651        if (tmp == 0) die("out of memory");
652        sprintf(tmp,"board=%sversion-baseband=0.66.04.19\n",(char*)data);
653        data = tmp;
654        sz = strlen(tmp);
655    }
656
657    setup_requirements(data, sz);
658
659    data = unzip_file(zip, "boot.img", &sz);
660    if (data == 0) die("update package missing boot.img");
661    do_update_signature(zip, "boot.sig");
662    if (erase_first && needs_erase("boot")) {
663        fb_queue_erase("boot");
664    }
665    fb_queue_flash("boot", data, sz);
666
667    data = unzip_file(zip, "recovery.img", &sz);
668    if (data != 0) {
669        do_update_signature(zip, "recovery.sig");
670        if (erase_first && needs_erase("recovery")) {
671            fb_queue_erase("recovery");
672        }
673        fb_queue_flash("recovery", data, sz);
674    }
675
676    data = unzip_file(zip, "system.img", &sz);
677    if (data == 0) die("update package missing system.img");
678    do_update_signature(zip, "system.sig");
679    if (erase_first && needs_erase("system")) {
680        fb_queue_erase("system");
681    }
682    fb_queue_flash("system", data, sz);
683}
684
685void do_send_signature(char *fn)
686{
687    void *data;
688    unsigned sz;
689    char *xtn;
690
691    xtn = strrchr(fn, '.');
692    if (!xtn) return;
693    if (strcmp(xtn, ".img")) return;
694
695    strcpy(xtn,".sig");
696    data = load_file(fn, &sz);
697    strcpy(xtn,".img");
698    if (data == 0) return;
699    fb_queue_download("signature", data, sz);
700    fb_queue_command("signature", "installing signature");
701}
702
703void do_flashall(int erase_first)
704{
705    char *fname;
706    void *data;
707    unsigned sz;
708
709    queue_info_dump();
710
711    fb_queue_query_save("product", cur_product, sizeof(cur_product));
712
713    fname = find_item("info", product);
714    if (fname == 0) die("cannot find android-info.txt");
715    data = load_file(fname, &sz);
716    if (data == 0) die("could not load android-info.txt: %s", strerror(errno));
717    setup_requirements(data, sz);
718
719    fname = find_item("boot", product);
720    data = load_file(fname, &sz);
721    if (data == 0) die("could not load boot.img: %s", strerror(errno));
722    do_send_signature(fname);
723    if (erase_first && needs_erase("boot")) {
724        fb_queue_erase("boot");
725    }
726    fb_queue_flash("boot", data, sz);
727
728    fname = find_item("recovery", product);
729    data = load_file(fname, &sz);
730    if (data != 0) {
731        do_send_signature(fname);
732        if (erase_first && needs_erase("recovery")) {
733            fb_queue_erase("recovery");
734        }
735        fb_queue_flash("recovery", data, sz);
736    }
737
738    fname = find_item("system", product);
739    data = load_file(fname, &sz);
740    if (data == 0) die("could not load system.img: %s", strerror(errno));
741    do_send_signature(fname);
742    if (erase_first && needs_erase("system")) {
743        fb_queue_erase("system");
744    }
745    fb_queue_flash("system", data, sz);
746}
747
748#define skip(n) do { argc -= (n); argv += (n); } while (0)
749#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
750
751int do_oem_command(int argc, char **argv)
752{
753    int i;
754    char command[256];
755    if (argc <= 1) return 0;
756
757    command[0] = 0;
758    while(1) {
759        strcat(command,*argv);
760        skip(1);
761        if(argc == 0) break;
762        strcat(command," ");
763    }
764
765    fb_queue_command(command,"");
766    return 0;
767}
768
769static int64_t parse_num(const char *arg)
770{
771    char *endptr;
772    unsigned long long num;
773
774    num = strtoull(arg, &endptr, 0);
775    if (endptr == arg) {
776        return -1;
777    }
778
779    if (*endptr == 'k' || *endptr == 'K') {
780        if (num >= (-1ULL) / 1024) {
781            return -1;
782        }
783        num *= 1024LL;
784        endptr++;
785    } else if (*endptr == 'm' || *endptr == 'M') {
786        if (num >= (-1ULL) / (1024 * 1024)) {
787            return -1;
788        }
789        num *= 1024LL * 1024LL;
790        endptr++;
791    } else if (*endptr == 'g' || *endptr == 'G') {
792        if (num >= (-1ULL) / (1024 * 1024 * 1024)) {
793            return -1;
794        }
795        num *= 1024LL * 1024LL * 1024LL;
796        endptr++;
797    }
798
799    if (*endptr != '\0') {
800        return -1;
801    }
802
803    if (num > INT64_MAX) {
804        return -1;
805    }
806
807    return num;
808}
809
810int main(int argc, char **argv)
811{
812    int wants_wipe = 0;
813    int wants_reboot = 0;
814    int wants_reboot_bootloader = 0;
815    int erase_first = 1;
816    void *data;
817    unsigned sz;
818    int status;
819    int c;
820    int r;
821
822    const struct option longopts[] = {
823        {"base", required_argument, 0, 'b'},
824        {"kernel_offset", required_argument, 0, 'k'},
825        {"page_size", required_argument, 0, 'n'},
826        {"ramdisk_offset", required_argument, 0, 'r'},
827        {"help", 0, 0, 'h'},
828        {0, 0, 0, 0}
829    };
830
831    serial = getenv("ANDROID_SERIAL");
832
833    while (1) {
834        int option_index = 0;
835        c = getopt_long(argc, argv, "wub:k:n:r:s:S:lp:c:i:m:h", longopts, NULL);
836        if (c < 0) {
837            break;
838        }
839        /* Alphabetical cases */
840        switch (c) {
841        case 'b':
842            base_addr = strtoul(optarg, 0, 16);
843            break;
844        case 'c':
845            cmdline = optarg;
846            break;
847        case 'h':
848            usage();
849            return 1;
850        case 'i': {
851                char *endptr = NULL;
852                unsigned long val;
853
854                val = strtoul(optarg, &endptr, 0);
855                if (!endptr || *endptr != '\0' || (val & ~0xffff))
856                    die("invalid vendor id '%s'", optarg);
857                vendor_id = (unsigned short)val;
858                break;
859            }
860        case 'k':
861            kernel_offset = strtoul(optarg, 0, 16);
862            break;
863        case 'l':
864            long_listing = 1;
865            break;
866        case 'n':
867            page_size = (unsigned)strtoul(optarg, NULL, 0);
868            if (!page_size) die("invalid page size");
869            break;
870        case 'p':
871            product = optarg;
872            break;
873        case 'r':
874            ramdisk_offset = strtoul(optarg, 0, 16);
875            break;
876        case 's':
877            serial = optarg;
878            break;
879        case 'S':
880            sparse_limit = parse_num(optarg);
881            if (sparse_limit < 0) {
882                    die("invalid sparse limit");
883            }
884            break;
885        case 'u':
886            erase_first = 0;
887            break;
888        case 'w':
889            wants_wipe = 1;
890            break;
891        case '?':
892            return 1;
893        default:
894            abort();
895        }
896    }
897
898    argc -= optind;
899    argv += optind;
900
901    if (argc == 0 && !wants_wipe) {
902        usage();
903        return 1;
904    }
905
906    if (argc > 0 && !strcmp(*argv, "devices")) {
907        skip(1);
908        list_devices();
909        return 0;
910    }
911
912    if (argc > 0 && !strcmp(*argv, "help")) {
913        usage();
914        return 0;
915    }
916
917    usb = open_device();
918
919    while (argc > 0) {
920        if(!strcmp(*argv, "getvar")) {
921            require(2);
922            fb_queue_display(argv[1], argv[1]);
923            skip(2);
924        } else if(!strcmp(*argv, "erase")) {
925            require(2);
926
927            if (fb_format_supported(usb, argv[1])) {
928                fprintf(stderr, "******** Did you mean to fastboot format this partition?\n");
929            }
930
931            fb_queue_erase(argv[1]);
932            skip(2);
933        } else if(!strcmp(*argv, "format")) {
934            require(2);
935            if (erase_first && needs_erase(argv[1])) {
936                fb_queue_erase(argv[1]);
937            }
938            fb_queue_format(argv[1], 0);
939            skip(2);
940        } else if(!strcmp(*argv, "signature")) {
941            require(2);
942            data = load_file(argv[1], &sz);
943            if (data == 0) die("could not load '%s': %s", argv[1], strerror(errno));
944            if (sz != 256) die("signature must be 256 bytes");
945            fb_queue_download("signature", data, sz);
946            fb_queue_command("signature", "installing signature");
947            skip(2);
948        } else if(!strcmp(*argv, "reboot")) {
949            wants_reboot = 1;
950            skip(1);
951        } else if(!strcmp(*argv, "reboot-bootloader")) {
952            wants_reboot_bootloader = 1;
953            skip(1);
954        } else if (!strcmp(*argv, "continue")) {
955            fb_queue_command("continue", "resuming boot");
956            skip(1);
957        } else if(!strcmp(*argv, "boot")) {
958            char *kname = 0;
959            char *rname = 0;
960            skip(1);
961            if (argc > 0) {
962                kname = argv[0];
963                skip(1);
964            }
965            if (argc > 0) {
966                rname = argv[0];
967                skip(1);
968            }
969            data = load_bootable_image(kname, rname, &sz, cmdline);
970            if (data == 0) return 1;
971            fb_queue_download("boot.img", data, sz);
972            fb_queue_command("boot", "booting");
973        } else if(!strcmp(*argv, "flash")) {
974            char *pname = argv[1];
975            char *fname = 0;
976            require(2);
977            if (argc > 2) {
978                fname = argv[2];
979                skip(3);
980            } else {
981                fname = find_item(pname, product);
982                skip(2);
983            }
984            if (fname == 0) die("cannot determine image filename for '%s'", pname);
985            if (erase_first && needs_erase(pname)) {
986                fb_queue_erase(pname);
987            }
988            do_flash(usb, pname, fname);
989        } else if(!strcmp(*argv, "flash:raw")) {
990            char *pname = argv[1];
991            char *kname = argv[2];
992            char *rname = 0;
993            require(3);
994            if(argc > 3) {
995                rname = argv[3];
996                skip(4);
997            } else {
998                skip(3);
999            }
1000            data = load_bootable_image(kname, rname, &sz, cmdline);
1001            if (data == 0) die("cannot load bootable image");
1002            fb_queue_flash(pname, data, sz);
1003        } else if(!strcmp(*argv, "flashall")) {
1004            skip(1);
1005            do_flashall(erase_first);
1006            wants_reboot = 1;
1007        } else if(!strcmp(*argv, "update")) {
1008            if (argc > 1) {
1009                do_update(argv[1], erase_first);
1010                skip(2);
1011            } else {
1012                do_update("update.zip", erase_first);
1013                skip(1);
1014            }
1015            wants_reboot = 1;
1016        } else if(!strcmp(*argv, "oem")) {
1017            argc = do_oem_command(argc, argv);
1018        } else {
1019            usage();
1020            return 1;
1021        }
1022    }
1023
1024    if (wants_wipe) {
1025        fb_queue_erase("userdata");
1026        fb_queue_format("userdata", 1);
1027        fb_queue_erase("cache");
1028        fb_queue_format("cache", 1);
1029    }
1030    if (wants_reboot) {
1031        fb_queue_reboot();
1032    } else if (wants_reboot_bootloader) {
1033        fb_queue_command("reboot-bootloader", "rebooting into bootloader");
1034    }
1035
1036    if (fb_queue_is_empty())
1037        return 0;
1038
1039    status = fb_execute_queue(usb);
1040    return (status) ? 1 : 0;
1041}
1042