fastboot.c revision 0d4a4cb8aa16fdb3897eaa89a62cb055d8dcbdf9 
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 <stdbool.h>
34#include <stdint.h>
35#include <string.h>
36#include <errno.h>
37#include <fcntl.h>
38#include <unistd.h>
39#include <limits.h>
40#include <ctype.h>
41#include <getopt.h>
42
43#include <sys/time.h>
44#include <sys/types.h>
45#include <sys/stat.h>
46
47#include <bootimg.h>
48#include <sparse/sparse.h>
49#include <zipfile/zipfile.h>
50
51#include "fastboot.h"
52#include "fs.h"
53
54#ifndef O_BINARY
55#define O_BINARY 0
56#endif
57
58#define ARRAY_SIZE(a) (sizeof(a)/sizeof(*(a)))
59
60char cur_product[FB_RESPONSE_SZ + 1];
61
62void bootimg_set_cmdline(boot_img_hdr *h, const char *cmdline);
63
64boot_img_hdr *mkbootimg(void *kernel, unsigned kernel_size, unsigned kernel_offset,
65                        void *ramdisk, unsigned ramdisk_size, unsigned ramdisk_offset,
66                        void *second, unsigned second_size, unsigned second_offset,
67                        unsigned page_size, unsigned base, unsigned tags_offset,
68                        unsigned *bootimg_size);
69
70static usb_handle *usb = 0;
71static const char *serial = 0;
72static const char *product = 0;
73static const char *cmdline = 0;
74static int wipe_data = 0;
75static unsigned short vendor_id = 0;
76static int long_listing = 0;
77static int64_t sparse_limit = -1;
78static int64_t target_sparse_limit = -1;
79
80unsigned page_size = 2048;
81unsigned base_addr      = 0x10000000;
82unsigned kernel_offset  = 0x00008000;
83unsigned ramdisk_offset = 0x01000000;
84unsigned second_offset  = 0x00f00000;
85unsigned tags_offset    = 0x00000100;
86
87enum fb_buffer_type {
88    FB_BUFFER,
89    FB_BUFFER_SPARSE,
90};
91
92struct fastboot_buffer {
93    enum fb_buffer_type type;
94    void *data;
95    unsigned int sz;
96};
97
98static struct {
99    char img_name[13];
100    char sig_name[13];
101    char part_name[9];
102    bool is_optional;
103} images[3] = {
104    {"boot.img", "boot.sig", "boot", false},
105    {"recovery.img", "recovery.sig", "recovery", true},
106    {"system.img", "system.sig", "system", false},
107};
108
109void get_my_path(char *path);
110
111char *find_item(const char *item, const char *product)
112{
113    char *dir;
114    char *fn;
115    char path[PATH_MAX + 128];
116
117    if(!strcmp(item,"boot")) {
118        fn = "boot.img";
119    } else if(!strcmp(item,"recovery")) {
120        fn = "recovery.img";
121    } else if(!strcmp(item,"system")) {
122        fn = "system.img";
123    } else if(!strcmp(item,"userdata")) {
124        fn = "userdata.img";
125    } else if(!strcmp(item,"cache")) {
126        fn = "cache.img";
127    } else if(!strcmp(item,"info")) {
128        fn = "android-info.txt";
129    } else {
130        fprintf(stderr,"unknown partition '%s'\n", item);
131        return 0;
132    }
133
134    if(product) {
135        get_my_path(path);
136        sprintf(path + strlen(path),
137                "../../../target/product/%s/%s", product, fn);
138        return strdup(path);
139    }
140
141    dir = getenv("ANDROID_PRODUCT_OUT");
142    if((dir == 0) || (dir[0] == 0)) {
143        die("neither -p product specified nor ANDROID_PRODUCT_OUT set");
144        return 0;
145    }
146
147    sprintf(path, "%s/%s", dir, fn);
148    return strdup(path);
149}
150
151static int64_t file_size(int fd)
152{
153    struct stat st;
154    int ret;
155
156    ret = fstat(fd, &st);
157
158    return ret ? -1 : st.st_size;
159}
160
161static void *load_fd(int fd, unsigned *_sz)
162{
163    char *data;
164    int sz;
165    int errno_tmp;
166
167    data = 0;
168
169    sz = file_size(fd);
170    if (sz < 0) {
171        goto oops;
172    }
173
174    data = (char*) malloc(sz);
175    if(data == 0) goto oops;
176
177    if(read(fd, data, sz) != sz) goto oops;
178    close(fd);
179
180    if(_sz) *_sz = sz;
181    return data;
182
183oops:
184    errno_tmp = errno;
185    close(fd);
186    if(data != 0) free(data);
187    errno = errno_tmp;
188    return 0;
189}
190
191static void *load_file(const char *fn, unsigned *_sz)
192{
193    int fd;
194
195    fd = open(fn, O_RDONLY | O_BINARY);
196    if(fd < 0) return 0;
197
198    return load_fd(fd, _sz);
199}
200
201int match_fastboot_with_serial(usb_ifc_info *info, const char *local_serial)
202{
203    if(!(vendor_id && (info->dev_vendor == vendor_id)) &&
204       (info->dev_vendor != 0x18d1) &&  // Google
205       (info->dev_vendor != 0x8087) &&  // Intel
206       (info->dev_vendor != 0x0451) &&
207       (info->dev_vendor != 0x0502) &&
208       (info->dev_vendor != 0x0fce) &&  // Sony Ericsson
209       (info->dev_vendor != 0x05c6) &&  // Qualcomm
210       (info->dev_vendor != 0x22b8) &&  // Motorola
211       (info->dev_vendor != 0x0955) &&  // Nvidia
212       (info->dev_vendor != 0x413c) &&  // DELL
213       (info->dev_vendor != 0x2314) &&  // INQ Mobile
214       (info->dev_vendor != 0x0b05) &&  // Asus
215       (info->dev_vendor != 0x0bb4))    // HTC
216            return -1;
217    if(info->ifc_class != 0xff) return -1;
218    if(info->ifc_subclass != 0x42) return -1;
219    if(info->ifc_protocol != 0x03) return -1;
220    // require matching serial number or device path if requested
221    // at the command line with the -s option.
222    if (local_serial && (strcmp(local_serial, info->serial_number) != 0 &&
223                   strcmp(local_serial, info->device_path) != 0)) return -1;
224    return 0;
225}
226
227int match_fastboot(usb_ifc_info *info)
228{
229    return match_fastboot_with_serial(info, serial);
230}
231
232int list_devices_callback(usb_ifc_info *info)
233{
234    if (match_fastboot_with_serial(info, NULL) == 0) {
235        char* serial = info->serial_number;
236        if (!info->writable) {
237            serial = "no permissions"; // like "adb devices"
238        }
239        if (!serial[0]) {
240            serial = "????????????";
241        }
242        // output compatible with "adb devices"
243        if (!long_listing) {
244            printf("%s\tfastboot\n", serial);
245        } else if (!info->device_path) {
246            printf("%-22s fastboot\n", serial);
247        } else {
248            printf("%-22s fastboot %s\n", serial, info->device_path);
249        }
250    }
251
252    return -1;
253}
254
255usb_handle *open_device(void)
256{
257    static usb_handle *usb = 0;
258    int announce = 1;
259
260    if(usb) return usb;
261
262    for(;;) {
263        usb = usb_open(match_fastboot);
264        if(usb) return usb;
265        if(announce) {
266            announce = 0;
267            fprintf(stderr,"< waiting for device >\n");
268        }
269        sleep(1);
270    }
271}
272
273void list_devices(void) {
274    // We don't actually open a USB device here,
275    // just getting our callback called so we can
276    // list all the connected devices.
277    usb_open(list_devices_callback);
278}
279
280void usage(void)
281{
282    fprintf(stderr,
283/*           1234567890123456789012345678901234567890123456789012345678901234567890123456 */
284            "usage: fastboot [ <option> ] <command>\n"
285            "\n"
286            "commands:\n"
287            "  update <filename>                        reflash device from update.zip\n"
288            "  flashall                                 flash boot + recovery + system\n"
289            "  flash <partition> [ <filename> ]         write a file to a flash partition\n"
290            "  erase <partition>                        erase a flash partition\n"
291            "  format <partition>                       format a flash partition \n"
292            "  getvar <variable>                        display a bootloader variable\n"
293            "  boot <kernel> [ <ramdisk> ]              download and boot kernel\n"
294            "  flash:raw boot <kernel> [ <ramdisk> ]    create bootimage and flash it\n"
295            "  devices                                  list all connected devices\n"
296            "  continue                                 continue with autoboot\n"
297            "  reboot                                   reboot device normally\n"
298            "  reboot-bootloader                        reboot device into bootloader\n"
299            "  help                                     show this help message\n"
300            "\n"
301            "options:\n"
302            "  -w                                       erase userdata and cache (and format\n"
303            "                                           if supported by partition type)\n"
304            "  -u                                       do not first erase partition before\n"
305            "                                           formatting\n"
306            "  -s <specific device>                     specify device serial number\n"
307            "                                           or path to device port\n"
308            "  -l                                       with \"devices\", lists device paths\n"
309            "  -p <product>                             specify product name\n"
310            "  -c <cmdline>                             override kernel commandline\n"
311            "  -i <vendor id>                           specify a custom USB vendor id\n"
312            "  -b <base_addr>                           specify a custom kernel base address. default: 0x10000000\n"
313            "  -n <page size>                           specify the nand page size. default: 2048\n"
314            "  -S <size>[K|M|G]                         automatically sparse files greater than\n"
315            "                                           size.  0 to disable\n"
316        );
317}
318
319void *load_bootable_image(const char *kernel, const char *ramdisk,
320                          unsigned *sz, const char *cmdline)
321{
322    void *kdata = 0, *rdata = 0;
323    unsigned ksize = 0, rsize = 0;
324    void *bdata;
325    unsigned bsize;
326
327    if(kernel == 0) {
328        fprintf(stderr, "no image specified\n");
329        return 0;
330    }
331
332    kdata = load_file(kernel, &ksize);
333    if(kdata == 0) {
334        fprintf(stderr, "cannot load '%s': %s\n", kernel, strerror(errno));
335        return 0;
336    }
337
338        /* is this actually a boot image? */
339    if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
340        if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
341
342        if(ramdisk) {
343            fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
344            return 0;
345        }
346
347        *sz = ksize;
348        return kdata;
349    }
350
351    if(ramdisk) {
352        rdata = load_file(ramdisk, &rsize);
353        if(rdata == 0) {
354            fprintf(stderr,"cannot load '%s': %s\n", ramdisk, strerror(errno));
355            return  0;
356        }
357    }
358
359    fprintf(stderr,"creating boot image...\n");
360    bdata = mkbootimg(kdata, ksize, kernel_offset,
361                      rdata, rsize, ramdisk_offset,
362                      0, 0, second_offset,
363                      page_size, base_addr, tags_offset, &bsize);
364    if(bdata == 0) {
365        fprintf(stderr,"failed to create boot.img\n");
366        return 0;
367    }
368    if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
369    fprintf(stderr,"creating boot image - %d bytes\n", bsize);
370    *sz = bsize;
371
372    return bdata;
373}
374
375void *unzip_file(zipfile_t zip, const char *name, unsigned *sz)
376{
377    void *data;
378    zipentry_t entry;
379    unsigned datasz;
380
381    entry = lookup_zipentry(zip, name);
382    if (entry == NULL) {
383        fprintf(stderr, "archive does not contain '%s'\n", name);
384        return 0;
385    }
386
387    *sz = get_zipentry_size(entry);
388
389    datasz = *sz * 1.001;
390    data = malloc(datasz);
391
392    if(data == 0) {
393        fprintf(stderr, "failed to allocate %d bytes\n", *sz);
394        return 0;
395    }
396
397    if (decompress_zipentry(entry, data, datasz)) {
398        fprintf(stderr, "failed to unzip '%s' from archive\n", name);
399        free(data);
400        return 0;
401    }
402
403    return data;
404}
405
406static int unzip_to_file(zipfile_t zip, char *name)
407{
408    int fd;
409    char *data;
410    unsigned sz;
411
412    fd = fileno(tmpfile());
413    if (fd < 0) {
414        return -1;
415    }
416
417    data = unzip_file(zip, name, &sz);
418    if (data == 0) {
419        return -1;
420    }
421
422    if (write(fd, data, sz) != sz) {
423        fd = -1;
424    }
425
426    free(data);
427    lseek(fd, 0, SEEK_SET);
428    return fd;
429}
430
431static char *strip(char *s)
432{
433    int n;
434    while(*s && isspace(*s)) s++;
435    n = strlen(s);
436    while(n-- > 0) {
437        if(!isspace(s[n])) break;
438        s[n] = 0;
439    }
440    return s;
441}
442
443#define MAX_OPTIONS 32
444static int setup_requirement_line(char *name)
445{
446    char *val[MAX_OPTIONS];
447    const char **out;
448    char *prod = NULL;
449    unsigned n, count;
450    char *x;
451    int invert = 0;
452
453    if (!strncmp(name, "reject ", 7)) {
454        name += 7;
455        invert = 1;
456    } else if (!strncmp(name, "require ", 8)) {
457        name += 8;
458        invert = 0;
459    } else if (!strncmp(name, "require-for-product:", 20)) {
460        // Get the product and point name past it
461        prod = name + 20;
462        name = strchr(name, ' ');
463        if (!name) return -1;
464        *name = 0;
465        name += 1;
466        invert = 0;
467    }
468
469    x = strchr(name, '=');
470    if (x == 0) return 0;
471    *x = 0;
472    val[0] = x + 1;
473
474    for(count = 1; count < MAX_OPTIONS; count++) {
475        x = strchr(val[count - 1],'|');
476        if (x == 0) break;
477        *x = 0;
478        val[count] = x + 1;
479    }
480
481    name = strip(name);
482    for(n = 0; n < count; n++) val[n] = strip(val[n]);
483
484    name = strip(name);
485    if (name == 0) return -1;
486
487        /* work around an unfortunate name mismatch */
488    if (!strcmp(name,"board")) name = "product";
489
490    out = malloc(sizeof(char*) * count);
491    if (out == 0) return -1;
492
493    for(n = 0; n < count; n++) {
494        out[n] = strdup(strip(val[n]));
495        if (out[n] == 0) {
496            for(size_t i = 0; i < n; ++i) {
497                free((char*) out[i]);
498            }
499            free(out);
500            return -1;
501        }
502    }
503
504    fb_queue_require(prod, name, invert, n, out);
505    return 0;
506}
507
508static void setup_requirements(char *data, unsigned sz)
509{
510    char *s;
511
512    s = data;
513    while (sz-- > 0) {
514        if(*s == '\n') {
515            *s++ = 0;
516            if (setup_requirement_line(data)) {
517                die("out of memory");
518            }
519            data = s;
520        } else {
521            s++;
522        }
523    }
524}
525
526void queue_info_dump(void)
527{
528    fb_queue_notice("--------------------------------------------");
529    fb_queue_display("version-bootloader", "Bootloader Version...");
530    fb_queue_display("version-baseband",   "Baseband Version.....");
531    fb_queue_display("serialno",           "Serial Number........");
532    fb_queue_notice("--------------------------------------------");
533}
534
535static struct sparse_file **load_sparse_files(int fd, int max_size)
536{
537    struct sparse_file *s;
538    int files;
539    struct sparse_file **out_s;
540
541    s = sparse_file_import_auto(fd, false);
542    if (!s) {
543        die("cannot sparse read file\n");
544    }
545
546    files = sparse_file_resparse(s, max_size, NULL, 0);
547    if (files < 0) {
548        die("Failed to resparse\n");
549    }
550
551    out_s = calloc(sizeof(struct sparse_file *), files + 1);
552    if (!out_s) {
553        die("Failed to allocate sparse file array\n");
554    }
555
556    files = sparse_file_resparse(s, max_size, out_s, files);
557    if (files < 0) {
558        die("Failed to resparse\n");
559    }
560
561    return out_s;
562}
563
564static int64_t get_target_sparse_limit(struct usb_handle *usb)
565{
566    int64_t limit = 0;
567    char response[FB_RESPONSE_SZ + 1];
568    int status = fb_getvar(usb, response, "max-download-size");
569
570    if (!status) {
571        limit = strtoul(response, NULL, 0);
572        if (limit > 0) {
573            fprintf(stderr, "target reported max download size of %lld bytes\n",
574                    limit);
575        }
576    }
577
578    return limit;
579}
580
581static int64_t get_sparse_limit(struct usb_handle *usb, int64_t size)
582{
583    int64_t limit;
584
585    if (sparse_limit == 0) {
586        return 0;
587    } else if (sparse_limit > 0) {
588        limit = sparse_limit;
589    } else {
590        if (target_sparse_limit == -1) {
591            target_sparse_limit = get_target_sparse_limit(usb);
592        }
593        if (target_sparse_limit > 0) {
594            limit = target_sparse_limit;
595        } else {
596            return 0;
597        }
598    }
599
600    if (size > limit) {
601        return limit;
602    }
603
604    return 0;
605}
606
607/* Until we get lazy inode table init working in make_ext4fs, we need to
608 * erase partitions of type ext4 before flashing a filesystem so no stale
609 * inodes are left lying around.  Otherwise, e2fsck gets very upset.
610 */
611static int needs_erase(const char *part)
612{
613    /* The function fb_format_supported() currently returns the value
614     * we want, so just call it.
615     */
616     return fb_format_supported(usb, part);
617}
618
619static int load_buf_fd(usb_handle *usb, int fd,
620        struct fastboot_buffer *buf)
621{
622    int64_t sz64;
623    void *data;
624    int64_t limit;
625
626
627    sz64 = file_size(fd);
628    if (sz64 < 0) {
629        return -1;
630    }
631
632    lseek(fd, 0, SEEK_SET);
633    limit = get_sparse_limit(usb, sz64);
634    if (limit) {
635        struct sparse_file **s = load_sparse_files(fd, limit);
636        if (s == NULL) {
637            return -1;
638        }
639        buf->type = FB_BUFFER_SPARSE;
640        buf->data = s;
641    } else {
642        unsigned int sz;
643        data = load_fd(fd, &sz);
644        if (data == 0) return -1;
645        buf->type = FB_BUFFER;
646        buf->data = data;
647        buf->sz = sz;
648    }
649
650    return 0;
651}
652
653static int load_buf(usb_handle *usb, const char *fname,
654        struct fastboot_buffer *buf)
655{
656    int fd;
657
658    fd = open(fname, O_RDONLY | O_BINARY);
659    if (fd < 0) {
660        die("cannot open '%s'\n", fname);
661    }
662
663    return load_buf_fd(usb, fd, buf);
664}
665
666static void flash_buf(const char *pname, struct fastboot_buffer *buf)
667{
668    struct sparse_file **s;
669
670    switch (buf->type) {
671        case FB_BUFFER_SPARSE:
672            s = buf->data;
673            while (*s) {
674                int64_t sz64 = sparse_file_len(*s, true, false);
675                fb_queue_flash_sparse(pname, *s++, sz64);
676            }
677            break;
678        case FB_BUFFER:
679            fb_queue_flash(pname, buf->data, buf->sz);
680            break;
681        default:
682            die("unknown buffer type: %d", buf->type);
683    }
684}
685
686void do_flash(usb_handle *usb, const char *pname, const char *fname)
687{
688    struct fastboot_buffer buf;
689
690    if (load_buf(usb, fname, &buf)) {
691        die("cannot load '%s'", fname);
692    }
693    flash_buf(pname, &buf);
694}
695
696void do_update_signature(zipfile_t zip, char *fn)
697{
698    void *data;
699    unsigned sz;
700    data = unzip_file(zip, fn, &sz);
701    if (data == 0) return;
702    fb_queue_download("signature", data, sz);
703    fb_queue_command("signature", "installing signature");
704}
705
706void do_update(usb_handle *usb, char *fn, int erase_first)
707{
708    void *zdata;
709    unsigned zsize;
710    void *data;
711    unsigned sz;
712    zipfile_t zip;
713    int fd;
714    int rc;
715    struct fastboot_buffer buf;
716    int i;
717
718    queue_info_dump();
719
720    fb_queue_query_save("product", cur_product, sizeof(cur_product));
721
722    zdata = load_file(fn, &zsize);
723    if (zdata == 0) die("failed to load '%s': %s", fn, strerror(errno));
724
725    zip = init_zipfile(zdata, zsize);
726    if(zip == 0) die("failed to access zipdata in '%s'");
727
728    data = unzip_file(zip, "android-info.txt", &sz);
729    if (data == 0) {
730        char *tmp;
731            /* fallback for older zipfiles */
732        data = unzip_file(zip, "android-product.txt", &sz);
733        if ((data == 0) || (sz < 1)) {
734            die("update package has no android-info.txt or android-product.txt");
735        }
736        tmp = malloc(sz + 128);
737        if (tmp == 0) die("out of memory");
738        sprintf(tmp,"board=%sversion-baseband=0.66.04.19\n",(char*)data);
739        data = tmp;
740        sz = strlen(tmp);
741    }
742
743    setup_requirements(data, sz);
744
745    for (i = 0; i < ARRAY_SIZE(images); i++) {
746        fd = unzip_to_file(zip, images[i].img_name);
747        if (fd < 0) {
748            if (images[i].is_optional)
749                continue;
750            die("update package missing %s", images[i].img_name);
751        }
752        rc = load_buf_fd(usb, fd, &buf);
753        if (rc) die("cannot load %s from flash", images[i].img_name);
754        do_update_signature(zip, images[i].sig_name);
755        if (erase_first && needs_erase(images[i].part_name)) {
756            fb_queue_erase(images[i].part_name);
757        }
758        flash_buf(images[i].part_name, &buf);
759        /* not closing the fd here since the sparse code keeps the fd around
760         * but hasn't mmaped data yet. The tmpfile will get cleaned up when the
761         * program exits.
762         */
763    }
764}
765
766void do_send_signature(char *fn)
767{
768    void *data;
769    unsigned sz;
770    char *xtn;
771
772    xtn = strrchr(fn, '.');
773    if (!xtn) return;
774    if (strcmp(xtn, ".img")) return;
775
776    strcpy(xtn,".sig");
777    data = load_file(fn, &sz);
778    strcpy(xtn,".img");
779    if (data == 0) return;
780    fb_queue_download("signature", data, sz);
781    fb_queue_command("signature", "installing signature");
782}
783
784void do_flashall(usb_handle *usb, int erase_first)
785{
786    char *fname;
787    void *data;
788    unsigned sz;
789    struct fastboot_buffer buf;
790    int i;
791
792    queue_info_dump();
793
794    fb_queue_query_save("product", cur_product, sizeof(cur_product));
795
796    fname = find_item("info", product);
797    if (fname == 0) die("cannot find android-info.txt");
798    data = load_file(fname, &sz);
799    if (data == 0) die("could not load android-info.txt: %s", strerror(errno));
800    setup_requirements(data, sz);
801
802    for (i = 0; i < ARRAY_SIZE(images); i++) {
803        fname = find_item(images[i].part_name, product);
804        if (load_buf(usb, fname, &buf)) {
805            if (images[i].is_optional)
806                continue;
807            die("could not load %s\n", images[i].img_name);
808        }
809        do_send_signature(fname);
810        if (erase_first && needs_erase(images[i].part_name)) {
811            fb_queue_erase(images[i].part_name);
812        }
813        flash_buf(images[i].part_name, &buf);
814    }
815}
816
817#define skip(n) do { argc -= (n); argv += (n); } while (0)
818#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
819
820int do_oem_command(int argc, char **argv)
821{
822    int i;
823    char command[256];
824    if (argc <= 1) return 0;
825
826    command[0] = 0;
827    while(1) {
828        strcat(command,*argv);
829        skip(1);
830        if(argc == 0) break;
831        strcat(command," ");
832    }
833
834    fb_queue_command(command,"");
835    return 0;
836}
837
838static int64_t parse_num(const char *arg)
839{
840    char *endptr;
841    unsigned long long num;
842
843    num = strtoull(arg, &endptr, 0);
844    if (endptr == arg) {
845        return -1;
846    }
847
848    if (*endptr == 'k' || *endptr == 'K') {
849        if (num >= (-1ULL) / 1024) {
850            return -1;
851        }
852        num *= 1024LL;
853        endptr++;
854    } else if (*endptr == 'm' || *endptr == 'M') {
855        if (num >= (-1ULL) / (1024 * 1024)) {
856            return -1;
857        }
858        num *= 1024LL * 1024LL;
859        endptr++;
860    } else if (*endptr == 'g' || *endptr == 'G') {
861        if (num >= (-1ULL) / (1024 * 1024 * 1024)) {
862            return -1;
863        }
864        num *= 1024LL * 1024LL * 1024LL;
865        endptr++;
866    }
867
868    if (*endptr != '\0') {
869        return -1;
870    }
871
872    if (num > INT64_MAX) {
873        return -1;
874    }
875
876    return num;
877}
878
879void fb_perform_format(const char *partition, int skip_if_not_supported)
880{
881    char pType[FB_RESPONSE_SZ + 1], pSize[FB_RESPONSE_SZ + 1];
882    unsigned int limit = INT_MAX;
883    struct fastboot_buffer buf;
884    const char *errMsg = NULL;
885    const struct fs_generator *gen;
886    uint64_t pSz;
887    int status;
888    int fd;
889
890    if (target_sparse_limit > 0 && target_sparse_limit < limit)
891        limit = target_sparse_limit;
892    if (sparse_limit > 0 && sparse_limit < limit)
893        limit = sparse_limit;
894
895    status = fb_getvar(usb, pType, "partition-type:%s", partition);
896    if (status) {
897        errMsg = "Can't determine partition type.\n";
898        goto failed;
899    }
900
901    status = fb_getvar(usb, pSize, "partition-size:%s", partition);
902    if (status) {
903        errMsg = "Unable to get partition size\n";
904        goto failed;
905    }
906
907    gen = fs_get_generator(pType);
908    if (!gen) {
909        if (skip_if_not_supported) {
910            fprintf(stderr, "Erase successful, but not automatically formatting.\n");
911            fprintf(stderr, "File system type %s not supported.\n", pType);
912            return;
913        }
914        fprintf(stderr, "Formatting is not supported for filesystem with type '%s'.\n", pType);
915        return;
916    }
917
918    pSz = strtoll(pSize, (char **)NULL, 16);
919
920    fd = fileno(tmpfile());
921    if (fs_generator_generate(gen, fd, pSz)) {
922        close(fd);
923        fprintf(stderr, "Cannot generate image.\n");
924        return;
925    }
926
927    if (load_buf_fd(usb, fd, &buf)) {
928        fprintf(stderr, "Cannot read image.\n");
929        close(fd);
930        return;
931    }
932    flash_buf(partition, &buf);
933
934    return;
935
936
937failed:
938    if (skip_if_not_supported) {
939        fprintf(stderr, "Erase successful, but not automatically formatting.\n");
940        if (errMsg)
941            fprintf(stderr, "%s", errMsg);
942    }
943    fprintf(stderr,"FAILED (%s)\n", fb_get_error());
944}
945
946int main(int argc, char **argv)
947{
948    int wants_wipe = 0;
949    int wants_reboot = 0;
950    int wants_reboot_bootloader = 0;
951    int erase_first = 1;
952    void *data;
953    unsigned sz;
954    int status;
955    int c;
956    int r;
957
958    const struct option longopts[] = {
959        {"base", required_argument, 0, 'b'},
960        {"kernel_offset", required_argument, 0, 'k'},
961        {"page_size", required_argument, 0, 'n'},
962        {"ramdisk_offset", required_argument, 0, 'r'},
963        {"help", 0, 0, 'h'},
964        {0, 0, 0, 0}
965    };
966
967    serial = getenv("ANDROID_SERIAL");
968
969    while (1) {
970        int option_index = 0;
971        c = getopt_long(argc, argv, "wub:k:n:r:s:S:lp:c:i:m:h", longopts, NULL);
972        if (c < 0) {
973            break;
974        }
975        /* Alphabetical cases */
976        switch (c) {
977        case 'b':
978            base_addr = strtoul(optarg, 0, 16);
979            break;
980        case 'c':
981            cmdline = optarg;
982            break;
983        case 'h':
984            usage();
985            return 1;
986        case 'i': {
987                char *endptr = NULL;
988                unsigned long val;
989
990                val = strtoul(optarg, &endptr, 0);
991                if (!endptr || *endptr != '\0' || (val & ~0xffff))
992                    die("invalid vendor id '%s'", optarg);
993                vendor_id = (unsigned short)val;
994                break;
995            }
996        case 'k':
997            kernel_offset = strtoul(optarg, 0, 16);
998            break;
999        case 'l':
1000            long_listing = 1;
1001            break;
1002        case 'n':
1003            page_size = (unsigned)strtoul(optarg, NULL, 0);
1004            if (!page_size) die("invalid page size");
1005            break;
1006        case 'p':
1007            product = optarg;
1008            break;
1009        case 'r':
1010            ramdisk_offset = strtoul(optarg, 0, 16);
1011            break;
1012        case 's':
1013            serial = optarg;
1014            break;
1015        case 'S':
1016            sparse_limit = parse_num(optarg);
1017            if (sparse_limit < 0) {
1018                    die("invalid sparse limit");
1019            }
1020            break;
1021        case 'u':
1022            erase_first = 0;
1023            break;
1024        case 'w':
1025            wants_wipe = 1;
1026            break;
1027        case '?':
1028            return 1;
1029        default:
1030            abort();
1031        }
1032    }
1033
1034    argc -= optind;
1035    argv += optind;
1036
1037    if (argc == 0 && !wants_wipe) {
1038        usage();
1039        return 1;
1040    }
1041
1042    if (argc > 0 && !strcmp(*argv, "devices")) {
1043        skip(1);
1044        list_devices();
1045        return 0;
1046    }
1047
1048    if (argc > 0 && !strcmp(*argv, "help")) {
1049        usage();
1050        return 0;
1051    }
1052
1053    usb = open_device();
1054
1055    while (argc > 0) {
1056        if(!strcmp(*argv, "getvar")) {
1057            require(2);
1058            fb_queue_display(argv[1], argv[1]);
1059            skip(2);
1060        } else if(!strcmp(*argv, "erase")) {
1061            require(2);
1062
1063            if (fb_format_supported(usb, argv[1])) {
1064                fprintf(stderr, "******** Did you mean to fastboot format this partition?\n");
1065            }
1066
1067            fb_queue_erase(argv[1]);
1068            skip(2);
1069        } else if(!strcmp(*argv, "format")) {
1070            require(2);
1071            if (erase_first && needs_erase(argv[1])) {
1072                fb_queue_erase(argv[1]);
1073            }
1074            fb_perform_format(argv[1], 0);
1075            skip(2);
1076        } else if(!strcmp(*argv, "signature")) {
1077            require(2);
1078            data = load_file(argv[1], &sz);
1079            if (data == 0) die("could not load '%s': %s", argv[1], strerror(errno));
1080            if (sz != 256) die("signature must be 256 bytes");
1081            fb_queue_download("signature", data, sz);
1082            fb_queue_command("signature", "installing signature");
1083            skip(2);
1084        } else if(!strcmp(*argv, "reboot")) {
1085            wants_reboot = 1;
1086            skip(1);
1087        } else if(!strcmp(*argv, "reboot-bootloader")) {
1088            wants_reboot_bootloader = 1;
1089            skip(1);
1090        } else if (!strcmp(*argv, "continue")) {
1091            fb_queue_command("continue", "resuming boot");
1092            skip(1);
1093        } else if(!strcmp(*argv, "boot")) {
1094            char *kname = 0;
1095            char *rname = 0;
1096            skip(1);
1097            if (argc > 0) {
1098                kname = argv[0];
1099                skip(1);
1100            }
1101            if (argc > 0) {
1102                rname = argv[0];
1103                skip(1);
1104            }
1105            data = load_bootable_image(kname, rname, &sz, cmdline);
1106            if (data == 0) return 1;
1107            fb_queue_download("boot.img", data, sz);
1108            fb_queue_command("boot", "booting");
1109        } else if(!strcmp(*argv, "flash")) {
1110            char *pname = argv[1];
1111            char *fname = 0;
1112            require(2);
1113            if (argc > 2) {
1114                fname = argv[2];
1115                skip(3);
1116            } else {
1117                fname = find_item(pname, product);
1118                skip(2);
1119            }
1120            if (fname == 0) die("cannot determine image filename for '%s'", pname);
1121            if (erase_first && needs_erase(pname)) {
1122                fb_queue_erase(pname);
1123            }
1124            do_flash(usb, pname, fname);
1125        } else if(!strcmp(*argv, "flash:raw")) {
1126            char *pname = argv[1];
1127            char *kname = argv[2];
1128            char *rname = 0;
1129            require(3);
1130            if(argc > 3) {
1131                rname = argv[3];
1132                skip(4);
1133            } else {
1134                skip(3);
1135            }
1136            data = load_bootable_image(kname, rname, &sz, cmdline);
1137            if (data == 0) die("cannot load bootable image");
1138            fb_queue_flash(pname, data, sz);
1139        } else if(!strcmp(*argv, "flashall")) {
1140            skip(1);
1141            do_flashall(usb, erase_first);
1142            wants_reboot = 1;
1143        } else if(!strcmp(*argv, "update")) {
1144            if (argc > 1) {
1145                do_update(usb, argv[1], erase_first);
1146                skip(2);
1147            } else {
1148                do_update(usb, "update.zip", erase_first);
1149                skip(1);
1150            }
1151            wants_reboot = 1;
1152        } else if(!strcmp(*argv, "oem")) {
1153            argc = do_oem_command(argc, argv);
1154        } else {
1155            usage();
1156            return 1;
1157        }
1158    }
1159
1160    if (wants_wipe) {
1161        fb_queue_erase("userdata");
1162        fb_perform_format("userdata", 1);
1163        fb_queue_erase("cache");
1164        fb_perform_format("cache", 1);
1165    }
1166    if (wants_reboot) {
1167        fb_queue_reboot();
1168    } else if (wants_reboot_bootloader) {
1169        fb_queue_command("reboot-bootloader", "rebooting into bootloader");
1170        fb_queue_wait_for_disconnect();
1171    }
1172
1173    if (fb_queue_is_empty())
1174        return 0;
1175
1176    status = fb_execute_queue(usb);
1177    return (status) ? 1 : 0;
1178}
1179