fastboot.c revision 5957c1ffe79b34d8b1859f9f11644d1007193cbc 
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 <ctype.h>
32#include <errno.h>
33#include <fcntl.h>
34#include <getopt.h>
35#include <limits.h>
36#include <stdbool.h>
37#include <stdint.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <string.h>
41#include <sys/stat.h>
42#include <sys/time.h>
43#include <sys/types.h>
44#include <unistd.h>
45
46#include <bootimg.h>
47#include <sparse/sparse.h>
48#include <zipfile/zipfile.h>
49
50#include "fastboot.h"
51#include "fs.h"
52
53#ifndef O_BINARY
54#define O_BINARY 0
55#endif
56
57#define ARRAY_SIZE(a) (sizeof(a)/sizeof(*(a)))
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, unsigned kernel_offset,
64                        void *ramdisk, unsigned ramdisk_size, unsigned ramdisk_offset,
65                        void *second, unsigned second_size, unsigned second_offset,
66                        unsigned page_size, unsigned base, unsigned tags_offset,
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 unsigned short vendor_id = 0;
74static int long_listing = 0;
75static int64_t sparse_limit = -1;
76static int64_t target_sparse_limit = -1;
77
78unsigned page_size = 2048;
79unsigned base_addr      = 0x10000000;
80unsigned kernel_offset  = 0x00008000;
81unsigned ramdisk_offset = 0x01000000;
82unsigned second_offset  = 0x00f00000;
83unsigned tags_offset    = 0x00000100;
84
85enum fb_buffer_type {
86    FB_BUFFER,
87    FB_BUFFER_SPARSE,
88};
89
90struct fastboot_buffer {
91    enum fb_buffer_type type;
92    void *data;
93    unsigned int sz;
94};
95
96static struct {
97    char img_name[13];
98    char sig_name[13];
99    char part_name[9];
100    bool is_optional;
101} images[4] = {
102    {"boot.img", "boot.sig", "boot", false},
103    {"recovery.img", "recovery.sig", "recovery", true},
104    {"system.img", "system.sig", "system", false},
105    {"tos.img", "tos.sig", "tos", true},
106};
107
108void get_my_path(char *path);
109
110char *find_item(const char *item, const char *product)
111{
112    char *dir;
113    char *fn;
114    char path[PATH_MAX + 128];
115
116    if(!strcmp(item,"boot")) {
117        fn = "boot.img";
118    } else if(!strcmp(item,"recovery")) {
119        fn = "recovery.img";
120    } else if(!strcmp(item,"system")) {
121        fn = "system.img";
122    } else if(!strcmp(item,"tos")) {
123        fn = "tos.img";
124    } else if(!strcmp(item,"userdata")) {
125        fn = "userdata.img";
126    } else if(!strcmp(item,"cache")) {
127        fn = "cache.img";
128    } else if(!strcmp(item,"info")) {
129        fn = "android-info.txt";
130    } else {
131        fprintf(stderr,"unknown partition '%s'\n", item);
132        return 0;
133    }
134
135    if(product) {
136        get_my_path(path);
137        sprintf(path + strlen(path),
138                "../../../target/product/%s/%s", product, fn);
139        return strdup(path);
140    }
141
142    dir = getenv("ANDROID_PRODUCT_OUT");
143    if((dir == 0) || (dir[0] == 0)) {
144        die("neither -p product specified nor ANDROID_PRODUCT_OUT set");
145        return 0;
146    }
147
148    sprintf(path, "%s/%s", dir, fn);
149    return strdup(path);
150}
151
152static int64_t file_size(int fd)
153{
154    struct stat st;
155    int ret;
156
157    ret = fstat(fd, &st);
158
159    return ret ? -1 : st.st_size;
160}
161
162static void *load_fd(int fd, unsigned *_sz)
163{
164    char *data;
165    int sz;
166    int errno_tmp;
167
168    data = 0;
169
170    sz = file_size(fd);
171    if (sz < 0) {
172        goto oops;
173    }
174
175    data = (char*) malloc(sz);
176    if(data == 0) goto oops;
177
178    if(read(fd, data, sz) != sz) goto oops;
179    close(fd);
180
181    if(_sz) *_sz = sz;
182    return data;
183
184oops:
185    errno_tmp = errno;
186    close(fd);
187    if(data != 0) free(data);
188    errno = errno_tmp;
189    return 0;
190}
191
192static void *load_file(const char *fn, unsigned *_sz)
193{
194    int fd;
195
196    fd = open(fn, O_RDONLY | O_BINARY);
197    if(fd < 0) return 0;
198
199    return load_fd(fd, _sz);
200}
201
202int match_fastboot_with_serial(usb_ifc_info *info, const char *local_serial)
203{
204    if(!(vendor_id && (info->dev_vendor == vendor_id)) &&
205       (info->dev_vendor != 0x18d1) &&  // Google
206       (info->dev_vendor != 0x8087) &&  // Intel
207       (info->dev_vendor != 0x0451) &&
208       (info->dev_vendor != 0x0502) &&
209       (info->dev_vendor != 0x0fce) &&  // Sony Ericsson
210       (info->dev_vendor != 0x05c6) &&  // Qualcomm
211       (info->dev_vendor != 0x22b8) &&  // Motorola
212       (info->dev_vendor != 0x0955) &&  // Nvidia
213       (info->dev_vendor != 0x413c) &&  // DELL
214       (info->dev_vendor != 0x2314) &&  // INQ Mobile
215       (info->dev_vendor != 0x0b05) &&  // Asus
216       (info->dev_vendor != 0x0bb4))    // HTC
217            return -1;
218    if(info->ifc_class != 0xff) return -1;
219    if(info->ifc_subclass != 0x42) return -1;
220    if(info->ifc_protocol != 0x03) return -1;
221    // require matching serial number or device path if requested
222    // at the command line with the -s option.
223    if (local_serial && (strcmp(local_serial, info->serial_number) != 0 &&
224                   strcmp(local_serial, info->device_path) != 0)) return -1;
225    return 0;
226}
227
228int match_fastboot(usb_ifc_info *info)
229{
230    return match_fastboot_with_serial(info, serial);
231}
232
233int list_devices_callback(usb_ifc_info *info)
234{
235    if (match_fastboot_with_serial(info, NULL) == 0) {
236        char* serial = info->serial_number;
237        if (!info->writable) {
238            serial = "no permissions"; // like "adb devices"
239        }
240        if (!serial[0]) {
241            serial = "????????????";
242        }
243        // output compatible with "adb devices"
244        if (!long_listing) {
245            printf("%s\tfastboot\n", serial);
246        } else if (!info->device_path) {
247            printf("%-22s fastboot\n", serial);
248        } else {
249            printf("%-22s fastboot %s\n", serial, info->device_path);
250        }
251    }
252
253    return -1;
254}
255
256usb_handle *open_device(void)
257{
258    static usb_handle *usb = 0;
259    int announce = 1;
260
261    if(usb) return usb;
262
263    for(;;) {
264        usb = usb_open(match_fastboot);
265        if(usb) return usb;
266        if(announce) {
267            announce = 0;
268            fprintf(stderr,"< waiting for device >\n");
269        }
270        usleep(1000);
271    }
272}
273
274void list_devices(void) {
275    // We don't actually open a USB device here,
276    // just getting our callback called so we can
277    // list all the connected devices.
278    usb_open(list_devices_callback);
279}
280
281void usage(void)
282{
283    fprintf(stderr,
284/*           1234567890123456789012345678901234567890123456789012345678901234567890123456 */
285            "usage: fastboot [ <option> ] <command>\n"
286            "\n"
287            "commands:\n"
288            "  update <filename>                        reflash device from update.zip\n"
289            "  flashall                                 flash boot, system, and if found,\n"
290            "                                           recovery, tos\n"
291            "  flash <partition> [ <filename> ]         write a file to a flash partition\n"
292            "  erase <partition>                        erase a flash partition\n"
293            "  format[:[<fs type>][:[<size>]] <partition> format a flash partition.\n"
294            "                                           Can override the fs type and/or\n"
295            "                                           size the bootloader reports.\n"
296            "  getvar <variable>                        display a bootloader variable\n"
297            "  boot <kernel> [ <ramdisk> ]              download and boot kernel\n"
298            "  flash:raw boot <kernel> [ <ramdisk> ]    create bootimage and flash it\n"
299            "  devices                                  list all connected devices\n"
300            "  continue                                 continue with autoboot\n"
301            "  reboot                                   reboot device normally\n"
302            "  reboot-bootloader                        reboot device into bootloader\n"
303            "  help                                     show this help message\n"
304            "\n"
305            "options:\n"
306            "  -w                                       erase userdata and cache (and format\n"
307            "                                           if supported by partition type)\n"
308            "  -u                                       do not first erase partition before\n"
309            "                                           formatting\n"
310            "  -s <specific device>                     specify device serial number\n"
311            "                                           or path to device port\n"
312            "  -l                                       with \"devices\", lists device paths\n"
313            "  -p <product>                             specify product name\n"
314            "  -c <cmdline>                             override kernel commandline\n"
315            "  -i <vendor id>                           specify a custom USB vendor id\n"
316            "  -b <base_addr>                           specify a custom kernel base address.\n"
317            "                                           default: 0x10000000\n"
318            "  -n <page size>                           specify the nand page size.\n"
319            "                                           default: 2048\n"
320            "  -S <size>[K|M|G]                         automatically sparse files greater\n"
321            "                                           than size.  0 to disable\n"
322        );
323}
324
325void *load_bootable_image(const char *kernel, const char *ramdisk,
326                          unsigned *sz, const char *cmdline)
327{
328    void *kdata = 0, *rdata = 0;
329    unsigned ksize = 0, rsize = 0;
330    void *bdata;
331    unsigned bsize;
332
333    if(kernel == 0) {
334        fprintf(stderr, "no image specified\n");
335        return 0;
336    }
337
338    kdata = load_file(kernel, &ksize);
339    if(kdata == 0) {
340        fprintf(stderr, "cannot load '%s': %s\n", kernel, strerror(errno));
341        return 0;
342    }
343
344        /* is this actually a boot image? */
345    if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
346        if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
347
348        if(ramdisk) {
349            fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
350            return 0;
351        }
352
353        *sz = ksize;
354        return kdata;
355    }
356
357    if(ramdisk) {
358        rdata = load_file(ramdisk, &rsize);
359        if(rdata == 0) {
360            fprintf(stderr,"cannot load '%s': %s\n", ramdisk, strerror(errno));
361            return  0;
362        }
363    }
364
365    fprintf(stderr,"creating boot image...\n");
366    bdata = mkbootimg(kdata, ksize, kernel_offset,
367                      rdata, rsize, ramdisk_offset,
368                      0, 0, second_offset,
369                      page_size, base_addr, tags_offset, &bsize);
370    if(bdata == 0) {
371        fprintf(stderr,"failed to create boot.img\n");
372        return 0;
373    }
374    if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
375    fprintf(stderr,"creating boot image - %d bytes\n", bsize);
376    *sz = bsize;
377
378    return bdata;
379}
380
381void *unzip_file(zipfile_t zip, const char *name, unsigned *sz)
382{
383    void *data;
384    zipentry_t entry;
385    unsigned datasz;
386
387    entry = lookup_zipentry(zip, name);
388    if (entry == NULL) {
389        fprintf(stderr, "archive does not contain '%s'\n", name);
390        return 0;
391    }
392
393    *sz = get_zipentry_size(entry);
394
395    datasz = *sz * 1.001;
396    data = malloc(datasz);
397
398    if(data == 0) {
399        fprintf(stderr, "failed to allocate %d bytes\n", *sz);
400        return 0;
401    }
402
403    if (decompress_zipentry(entry, data, datasz)) {
404        fprintf(stderr, "failed to unzip '%s' from archive\n", name);
405        free(data);
406        return 0;
407    }
408
409    return data;
410}
411
412static int unzip_to_file(zipfile_t zip, char *name)
413{
414    int fd;
415    char *data;
416    unsigned sz;
417
418    fd = fileno(tmpfile());
419    if (fd < 0) {
420        return -1;
421    }
422
423    data = unzip_file(zip, name, &sz);
424    if (data == 0) {
425        return -1;
426    }
427
428    if (write(fd, data, sz) != (ssize_t)sz) {
429        fd = -1;
430    }
431
432    free(data);
433    lseek(fd, 0, SEEK_SET);
434    return fd;
435}
436
437static char *strip(char *s)
438{
439    int n;
440    while(*s && isspace(*s)) s++;
441    n = strlen(s);
442    while(n-- > 0) {
443        if(!isspace(s[n])) break;
444        s[n] = 0;
445    }
446    return s;
447}
448
449#define MAX_OPTIONS 32
450static int setup_requirement_line(char *name)
451{
452    char *val[MAX_OPTIONS];
453    const char **out;
454    char *prod = NULL;
455    unsigned n, count;
456    char *x;
457    int invert = 0;
458
459    if (!strncmp(name, "reject ", 7)) {
460        name += 7;
461        invert = 1;
462    } else if (!strncmp(name, "require ", 8)) {
463        name += 8;
464        invert = 0;
465    } else if (!strncmp(name, "require-for-product:", 20)) {
466        // Get the product and point name past it
467        prod = name + 20;
468        name = strchr(name, ' ');
469        if (!name) return -1;
470        *name = 0;
471        name += 1;
472        invert = 0;
473    }
474
475    x = strchr(name, '=');
476    if (x == 0) return 0;
477    *x = 0;
478    val[0] = x + 1;
479
480    for(count = 1; count < MAX_OPTIONS; count++) {
481        x = strchr(val[count - 1],'|');
482        if (x == 0) break;
483        *x = 0;
484        val[count] = x + 1;
485    }
486
487    name = strip(name);
488    for(n = 0; n < count; n++) val[n] = strip(val[n]);
489
490    name = strip(name);
491    if (name == 0) return -1;
492
493        /* work around an unfortunate name mismatch */
494    if (!strcmp(name,"board")) name = "product";
495
496    out = malloc(sizeof(char*) * count);
497    if (out == 0) return -1;
498
499    for(n = 0; n < count; n++) {
500        out[n] = strdup(strip(val[n]));
501        if (out[n] == 0) {
502            for(size_t i = 0; i < n; ++i) {
503                free((char*) out[i]);
504            }
505            free(out);
506            return -1;
507        }
508    }
509
510    fb_queue_require(prod, name, invert, n, out);
511    return 0;
512}
513
514static void setup_requirements(char *data, unsigned sz)
515{
516    char *s;
517
518    s = data;
519    while (sz-- > 0) {
520        if(*s == '\n') {
521            *s++ = 0;
522            if (setup_requirement_line(data)) {
523                die("out of memory");
524            }
525            data = s;
526        } else {
527            s++;
528        }
529    }
530}
531
532void queue_info_dump(void)
533{
534    fb_queue_notice("--------------------------------------------");
535    fb_queue_display("version-bootloader", "Bootloader Version...");
536    fb_queue_display("version-baseband",   "Baseband Version.....");
537    fb_queue_display("serialno",           "Serial Number........");
538    fb_queue_notice("--------------------------------------------");
539}
540
541static struct sparse_file **load_sparse_files(int fd, int max_size)
542{
543    struct sparse_file *s;
544    int files;
545    struct sparse_file **out_s;
546
547    s = sparse_file_import_auto(fd, false);
548    if (!s) {
549        die("cannot sparse read file\n");
550    }
551
552    files = sparse_file_resparse(s, max_size, NULL, 0);
553    if (files < 0) {
554        die("Failed to resparse\n");
555    }
556
557    out_s = calloc(sizeof(struct sparse_file *), files + 1);
558    if (!out_s) {
559        die("Failed to allocate sparse file array\n");
560    }
561
562    files = sparse_file_resparse(s, max_size, out_s, files);
563    if (files < 0) {
564        die("Failed to resparse\n");
565    }
566
567    return out_s;
568}
569
570static int64_t get_target_sparse_limit(struct usb_handle *usb)
571{
572    int64_t limit = 0;
573    char response[FB_RESPONSE_SZ + 1];
574    int status = fb_getvar(usb, response, "max-download-size");
575
576    if (!status) {
577        limit = strtoul(response, NULL, 0);
578        if (limit > 0) {
579            fprintf(stderr, "target reported max download size of %lld bytes\n",
580                    limit);
581        }
582    }
583
584    return limit;
585}
586
587static int64_t get_sparse_limit(struct usb_handle *usb, int64_t size)
588{
589    int64_t limit;
590
591    if (sparse_limit == 0) {
592        return 0;
593    } else if (sparse_limit > 0) {
594        limit = sparse_limit;
595    } else {
596        if (target_sparse_limit == -1) {
597            target_sparse_limit = get_target_sparse_limit(usb);
598        }
599        if (target_sparse_limit > 0) {
600            limit = target_sparse_limit;
601        } else {
602            return 0;
603        }
604    }
605
606    if (size > limit) {
607        return limit;
608    }
609
610    return 0;
611}
612
613/* Until we get lazy inode table init working in make_ext4fs, we need to
614 * erase partitions of type ext4 before flashing a filesystem so no stale
615 * inodes are left lying around.  Otherwise, e2fsck gets very upset.
616 */
617static int needs_erase(const char *part)
618{
619    /* The function fb_format_supported() currently returns the value
620     * we want, so just call it.
621     */
622     return fb_format_supported(usb, part, NULL);
623}
624
625static int load_buf_fd(usb_handle *usb, int fd,
626        struct fastboot_buffer *buf)
627{
628    int64_t sz64;
629    void *data;
630    int64_t limit;
631
632
633    sz64 = file_size(fd);
634    if (sz64 < 0) {
635        return -1;
636    }
637
638    lseek(fd, 0, SEEK_SET);
639    limit = get_sparse_limit(usb, sz64);
640    if (limit) {
641        struct sparse_file **s = load_sparse_files(fd, limit);
642        if (s == NULL) {
643            return -1;
644        }
645        buf->type = FB_BUFFER_SPARSE;
646        buf->data = s;
647    } else {
648        unsigned int sz;
649        data = load_fd(fd, &sz);
650        if (data == 0) return -1;
651        buf->type = FB_BUFFER;
652        buf->data = data;
653        buf->sz = sz;
654    }
655
656    return 0;
657}
658
659static int load_buf(usb_handle *usb, const char *fname,
660        struct fastboot_buffer *buf)
661{
662    int fd;
663
664    fd = open(fname, O_RDONLY | O_BINARY);
665    if (fd < 0) {
666        return -1;
667    }
668
669    return load_buf_fd(usb, fd, buf);
670}
671
672static void flash_buf(const char *pname, struct fastboot_buffer *buf)
673{
674    struct sparse_file **s;
675
676    switch (buf->type) {
677        case FB_BUFFER_SPARSE:
678            s = buf->data;
679            while (*s) {
680                int64_t sz64 = sparse_file_len(*s, true, false);
681                fb_queue_flash_sparse(pname, *s++, sz64);
682            }
683            break;
684        case FB_BUFFER:
685            fb_queue_flash(pname, buf->data, buf->sz);
686            break;
687        default:
688            die("unknown buffer type: %d", buf->type);
689    }
690}
691
692void do_flash(usb_handle *usb, const char *pname, const char *fname)
693{
694    struct fastboot_buffer buf;
695
696    if (load_buf(usb, fname, &buf)) {
697        die("cannot load '%s'", fname);
698    }
699    flash_buf(pname, &buf);
700}
701
702void do_update_signature(zipfile_t zip, char *fn)
703{
704    void *data;
705    unsigned sz;
706    data = unzip_file(zip, fn, &sz);
707    if (data == 0) return;
708    fb_queue_download("signature", data, sz);
709    fb_queue_command("signature", "installing signature");
710}
711
712void do_update(usb_handle *usb, char *fn, int erase_first)
713{
714    void *zdata;
715    unsigned zsize;
716    void *data;
717    unsigned sz;
718    zipfile_t zip;
719    int fd;
720    int rc;
721    struct fastboot_buffer buf;
722    size_t i;
723
724    queue_info_dump();
725
726    fb_queue_query_save("product", cur_product, sizeof(cur_product));
727
728    zdata = load_file(fn, &zsize);
729    if (zdata == 0) die("failed to load '%s': %s", fn, strerror(errno));
730
731    zip = init_zipfile(zdata, zsize);
732    if(zip == 0) die("failed to access zipdata in '%s'");
733
734    data = unzip_file(zip, "android-info.txt", &sz);
735    if (data == 0) {
736        char *tmp;
737            /* fallback for older zipfiles */
738        data = unzip_file(zip, "android-product.txt", &sz);
739        if ((data == 0) || (sz < 1)) {
740            die("update package has no android-info.txt or android-product.txt");
741        }
742        tmp = malloc(sz + 128);
743        if (tmp == 0) die("out of memory");
744        sprintf(tmp,"board=%sversion-baseband=0.66.04.19\n",(char*)data);
745        data = tmp;
746        sz = strlen(tmp);
747    }
748
749    setup_requirements(data, sz);
750
751    for (i = 0; i < ARRAY_SIZE(images); i++) {
752        fd = unzip_to_file(zip, images[i].img_name);
753        if (fd < 0) {
754            if (images[i].is_optional)
755                continue;
756            die("update package missing %s", images[i].img_name);
757        }
758        rc = load_buf_fd(usb, fd, &buf);
759        if (rc) die("cannot load %s from flash", images[i].img_name);
760        do_update_signature(zip, images[i].sig_name);
761        if (erase_first && needs_erase(images[i].part_name)) {
762            fb_queue_erase(images[i].part_name);
763        }
764        flash_buf(images[i].part_name, &buf);
765        /* not closing the fd here since the sparse code keeps the fd around
766         * but hasn't mmaped data yet. The tmpfile will get cleaned up when the
767         * program exits.
768         */
769    }
770}
771
772void do_send_signature(char *fn)
773{
774    void *data;
775    unsigned sz;
776    char *xtn;
777
778    xtn = strrchr(fn, '.');
779    if (!xtn) return;
780    if (strcmp(xtn, ".img")) return;
781
782    strcpy(xtn,".sig");
783    data = load_file(fn, &sz);
784    strcpy(xtn,".img");
785    if (data == 0) return;
786    fb_queue_download("signature", data, sz);
787    fb_queue_command("signature", "installing signature");
788}
789
790void do_flashall(usb_handle *usb, int erase_first)
791{
792    char *fname;
793    void *data;
794    unsigned sz;
795    struct fastboot_buffer buf;
796    size_t i;
797
798    queue_info_dump();
799
800    fb_queue_query_save("product", cur_product, sizeof(cur_product));
801
802    fname = find_item("info", product);
803    if (fname == 0) die("cannot find android-info.txt");
804    data = load_file(fname, &sz);
805    if (data == 0) die("could not load android-info.txt: %s", strerror(errno));
806    setup_requirements(data, sz);
807
808    for (i = 0; i < ARRAY_SIZE(images); i++) {
809        fname = find_item(images[i].part_name, product);
810        if (load_buf(usb, fname, &buf)) {
811            if (images[i].is_optional)
812                continue;
813            die("could not load %s\n", images[i].img_name);
814        }
815        do_send_signature(fname);
816        if (erase_first && needs_erase(images[i].part_name)) {
817            fb_queue_erase(images[i].part_name);
818        }
819        flash_buf(images[i].part_name, &buf);
820    }
821}
822
823#define skip(n) do { argc -= (n); argv += (n); } while (0)
824#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
825
826int do_oem_command(int argc, char **argv)
827{
828    char command[256];
829    if (argc <= 1) return 0;
830
831    command[0] = 0;
832    while(1) {
833        strcat(command,*argv);
834        skip(1);
835        if(argc == 0) break;
836        strcat(command," ");
837    }
838
839    fb_queue_command(command,"");
840    return 0;
841}
842
843static int64_t parse_num(const char *arg)
844{
845    char *endptr;
846    unsigned long long num;
847
848    num = strtoull(arg, &endptr, 0);
849    if (endptr == arg) {
850        return -1;
851    }
852
853    if (*endptr == 'k' || *endptr == 'K') {
854        if (num >= (-1ULL) / 1024) {
855            return -1;
856        }
857        num *= 1024LL;
858        endptr++;
859    } else if (*endptr == 'm' || *endptr == 'M') {
860        if (num >= (-1ULL) / (1024 * 1024)) {
861            return -1;
862        }
863        num *= 1024LL * 1024LL;
864        endptr++;
865    } else if (*endptr == 'g' || *endptr == 'G') {
866        if (num >= (-1ULL) / (1024 * 1024 * 1024)) {
867            return -1;
868        }
869        num *= 1024LL * 1024LL * 1024LL;
870        endptr++;
871    }
872
873    if (*endptr != '\0') {
874        return -1;
875    }
876
877    if (num > INT64_MAX) {
878        return -1;
879    }
880
881    return num;
882}
883
884void fb_perform_format(const char *partition, int skip_if_not_supported,
885                       const char *type_override, const char *size_override)
886{
887    char pTypeBuff[FB_RESPONSE_SZ + 1], pSizeBuff[FB_RESPONSE_SZ + 1];
888    char *pType = pTypeBuff;
889    char *pSize = pSizeBuff;
890    unsigned int limit = INT_MAX;
891    struct fastboot_buffer buf;
892    const char *errMsg = NULL;
893    const struct fs_generator *gen;
894    uint64_t pSz;
895    int status;
896    int fd;
897
898    if (target_sparse_limit > 0 && target_sparse_limit < limit)
899        limit = target_sparse_limit;
900    if (sparse_limit > 0 && sparse_limit < limit)
901        limit = sparse_limit;
902
903    status = fb_getvar(usb, pType, "partition-type:%s", partition);
904    if (status) {
905        errMsg = "Can't determine partition type.\n";
906        goto failed;
907    }
908    if (type_override) {
909        if (strcmp(type_override, pType)) {
910            fprintf(stderr,
911                    "Warning: %s type is %s, but %s was requested for formating.\n",
912                    partition, pType, type_override);
913        }
914        pType = (char *)type_override;
915    }
916
917    status = fb_getvar(usb, pSize, "partition-size:%s", partition);
918    if (status) {
919        errMsg = "Unable to get partition size\n";
920        goto failed;
921    }
922    if (size_override) {
923        if (strcmp(size_override, pSize)) {
924            fprintf(stderr,
925                    "Warning: %s size is %s, but %s was requested for formating.\n",
926                    partition, pSize, size_override);
927        }
928        pSize = (char *)size_override;
929    }
930
931    gen = fs_get_generator(pType);
932    if (!gen) {
933        if (skip_if_not_supported) {
934            fprintf(stderr, "Erase successful, but not automatically formatting.\n");
935            fprintf(stderr, "File system type %s not supported.\n", pType);
936            return;
937        }
938        fprintf(stderr, "Formatting is not supported for filesystem with type '%s'.\n", pType);
939        return;
940    }
941
942    pSz = strtoll(pSize, (char **)NULL, 16);
943
944    fd = fileno(tmpfile());
945    if (fs_generator_generate(gen, fd, pSz)) {
946        close(fd);
947        fprintf(stderr, "Cannot generate image.\n");
948        return;
949    }
950
951    if (load_buf_fd(usb, fd, &buf)) {
952        fprintf(stderr, "Cannot read image.\n");
953        close(fd);
954        return;
955    }
956    flash_buf(partition, &buf);
957
958    return;
959
960
961failed:
962    if (skip_if_not_supported) {
963        fprintf(stderr, "Erase successful, but not automatically formatting.\n");
964        if (errMsg)
965            fprintf(stderr, "%s", errMsg);
966    }
967    fprintf(stderr,"FAILED (%s)\n", fb_get_error());
968}
969
970int main(int argc, char **argv)
971{
972    int wants_wipe = 0;
973    int wants_reboot = 0;
974    int wants_reboot_bootloader = 0;
975    int erase_first = 1;
976    void *data;
977    unsigned sz;
978    int status;
979    int c;
980
981    const struct option longopts[] = {
982        {"base", required_argument, 0, 'b'},
983        {"kernel_offset", required_argument, 0, 'k'},
984        {"page_size", required_argument, 0, 'n'},
985        {"ramdisk_offset", required_argument, 0, 'r'},
986        {"tags_offset", required_argument, 0, 't'},
987        {"help", 0, 0, 'h'},
988        {0, 0, 0, 0}
989    };
990
991    serial = getenv("ANDROID_SERIAL");
992
993    while (1) {
994        c = getopt_long(argc, argv, "wub:k:n:r:t:s:S:lp:c:i:m:h", longopts, NULL);
995        if (c < 0) {
996            break;
997        }
998        /* Alphabetical cases */
999        switch (c) {
1000        case 'b':
1001            base_addr = strtoul(optarg, 0, 16);
1002            break;
1003        case 'c':
1004            cmdline = optarg;
1005            break;
1006        case 'h':
1007            usage();
1008            return 1;
1009        case 'i': {
1010                char *endptr = NULL;
1011                unsigned long val;
1012
1013                val = strtoul(optarg, &endptr, 0);
1014                if (!endptr || *endptr != '\0' || (val & ~0xffff))
1015                    die("invalid vendor id '%s'", optarg);
1016                vendor_id = (unsigned short)val;
1017                break;
1018            }
1019        case 'k':
1020            kernel_offset = strtoul(optarg, 0, 16);
1021            break;
1022        case 'l':
1023            long_listing = 1;
1024            break;
1025        case 'n':
1026            page_size = (unsigned)strtoul(optarg, NULL, 0);
1027            if (!page_size) die("invalid page size");
1028            break;
1029        case 'p':
1030            product = optarg;
1031            break;
1032        case 'r':
1033            ramdisk_offset = strtoul(optarg, 0, 16);
1034            break;
1035        case 't':
1036            tags_offset = strtoul(optarg, 0, 16);
1037            break;
1038        case 's':
1039            serial = optarg;
1040            break;
1041        case 'S':
1042            sparse_limit = parse_num(optarg);
1043            if (sparse_limit < 0) {
1044                    die("invalid sparse limit");
1045            }
1046            break;
1047        case 'u':
1048            erase_first = 0;
1049            break;
1050        case 'w':
1051            wants_wipe = 1;
1052            break;
1053        case '?':
1054            return 1;
1055        default:
1056            abort();
1057        }
1058    }
1059
1060    argc -= optind;
1061    argv += optind;
1062
1063    if (argc == 0 && !wants_wipe) {
1064        usage();
1065        return 1;
1066    }
1067
1068    if (argc > 0 && !strcmp(*argv, "devices")) {
1069        skip(1);
1070        list_devices();
1071        return 0;
1072    }
1073
1074    if (argc > 0 && !strcmp(*argv, "help")) {
1075        usage();
1076        return 0;
1077    }
1078
1079    usb = open_device();
1080
1081    while (argc > 0) {
1082        if(!strcmp(*argv, "getvar")) {
1083            require(2);
1084            fb_queue_display(argv[1], argv[1]);
1085            skip(2);
1086        } else if(!strcmp(*argv, "erase")) {
1087            require(2);
1088
1089            if (fb_format_supported(usb, argv[1], NULL)) {
1090                fprintf(stderr, "******** Did you mean to fastboot format this partition?\n");
1091            }
1092
1093            fb_queue_erase(argv[1]);
1094            skip(2);
1095        } else if(!strncmp(*argv, "format", strlen("format"))) {
1096            char *overrides;
1097            char *type_override = NULL;
1098            char *size_override = NULL;
1099            require(2);
1100            /*
1101             * Parsing for: "format[:[type][:[size]]]"
1102             * Some valid things:
1103             *  - select ontly the size, and leave default fs type:
1104             *    format::0x4000000 userdata
1105             *  - default fs type and size:
1106             *    format userdata
1107             *    format:: userdata
1108             */
1109            overrides = strchr(*argv, ':');
1110            if (overrides) {
1111                overrides++;
1112                size_override = strchr(overrides, ':');
1113                if (size_override) {
1114                    size_override[0] = '\0';
1115                    size_override++;
1116                }
1117                type_override = overrides;
1118            }
1119            if (type_override && !type_override[0]) type_override = NULL;
1120            if (size_override && !size_override[0]) size_override = NULL;
1121            if (erase_first && needs_erase(argv[1])) {
1122                fb_queue_erase(argv[1]);
1123            }
1124            fb_perform_format(argv[1], 0, type_override, size_override);
1125            skip(2);
1126        } else if(!strcmp(*argv, "signature")) {
1127            require(2);
1128            data = load_file(argv[1], &sz);
1129            if (data == 0) die("could not load '%s': %s", argv[1], strerror(errno));
1130            if (sz != 256) die("signature must be 256 bytes");
1131            fb_queue_download("signature", data, sz);
1132            fb_queue_command("signature", "installing signature");
1133            skip(2);
1134        } else if(!strcmp(*argv, "reboot")) {
1135            wants_reboot = 1;
1136            skip(1);
1137        } else if(!strcmp(*argv, "reboot-bootloader")) {
1138            wants_reboot_bootloader = 1;
1139            skip(1);
1140        } else if (!strcmp(*argv, "continue")) {
1141            fb_queue_command("continue", "resuming boot");
1142            skip(1);
1143        } else if(!strcmp(*argv, "boot")) {
1144            char *kname = 0;
1145            char *rname = 0;
1146            skip(1);
1147            if (argc > 0) {
1148                kname = argv[0];
1149                skip(1);
1150            }
1151            if (argc > 0) {
1152                rname = argv[0];
1153                skip(1);
1154            }
1155            data = load_bootable_image(kname, rname, &sz, cmdline);
1156            if (data == 0) return 1;
1157            fb_queue_download("boot.img", data, sz);
1158            fb_queue_command("boot", "booting");
1159        } else if(!strcmp(*argv, "flash")) {
1160            char *pname = argv[1];
1161            char *fname = 0;
1162            require(2);
1163            if (argc > 2) {
1164                fname = argv[2];
1165                skip(3);
1166            } else {
1167                fname = find_item(pname, product);
1168                skip(2);
1169            }
1170            if (fname == 0) die("cannot determine image filename for '%s'", pname);
1171            if (erase_first && needs_erase(pname)) {
1172                fb_queue_erase(pname);
1173            }
1174            do_flash(usb, pname, fname);
1175        } else if(!strcmp(*argv, "flash:raw")) {
1176            char *pname = argv[1];
1177            char *kname = argv[2];
1178            char *rname = 0;
1179            require(3);
1180            if(argc > 3) {
1181                rname = argv[3];
1182                skip(4);
1183            } else {
1184                skip(3);
1185            }
1186            data = load_bootable_image(kname, rname, &sz, cmdline);
1187            if (data == 0) die("cannot load bootable image");
1188            fb_queue_flash(pname, data, sz);
1189        } else if(!strcmp(*argv, "flashall")) {
1190            skip(1);
1191            do_flashall(usb, erase_first);
1192            wants_reboot = 1;
1193        } else if(!strcmp(*argv, "update")) {
1194            if (argc > 1) {
1195                do_update(usb, argv[1], erase_first);
1196                skip(2);
1197            } else {
1198                do_update(usb, "update.zip", erase_first);
1199                skip(1);
1200            }
1201            wants_reboot = 1;
1202        } else if(!strcmp(*argv, "oem")) {
1203            argc = do_oem_command(argc, argv);
1204        } else {
1205            usage();
1206            return 1;
1207        }
1208    }
1209
1210    if (wants_wipe) {
1211        fb_queue_erase("userdata");
1212        fb_perform_format("userdata", 1, NULL, NULL);
1213        fb_queue_erase("cache");
1214        fb_perform_format("cache", 1, NULL, NULL);
1215    }
1216    if (wants_reboot) {
1217        fb_queue_reboot();
1218    } else if (wants_reboot_bootloader) {
1219        fb_queue_command("reboot-bootloader", "rebooting into bootloader");
1220        fb_queue_wait_for_disconnect();
1221    }
1222
1223    if (fb_queue_is_empty())
1224        return 0;
1225
1226    status = fb_execute_queue(usb);
1227    return (status) ? 1 : 0;
1228}
1229