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android_system_core/fastboot/fastboot.c
Colin Cross f838788e6a fastboot: add support for auto-resparsing large files 
Add support to fastboot for automatically using libsparse to break large
files, whether they are in sparse or normal format, into multiple sparse
files that can each fit into the target's memory.  Allows flashing
images that are larger than the size of the available memory on the
target.

By default, any file over 512MB will be sparsed into 512MB chunks.  The
limit can be modified with the -m argument, or sparsing can be forced
with -S or avoided with -N.  If -m is not specified, the target can
override the default by implementing getvar:max-download-size

Change-Id: I6c59381c3d24475c4f2587ea877200b96971cbd7
2012-07-09 22:17:58 -07:00

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/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#define _LARGEFILE64_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <limits.h>
#include <ctype.h>
#include <getopt.h>
#include <sys/time.h>
#include <sys/types.h>
#include <bootimg.h>
#include <sparse/sparse.h>
#include <zipfile/zipfile.h>
#include "fastboot.h"
#ifndef O_BINARY
#define O_BINARY 0
#endif
#define DEFAULT_SPARSE_LIMIT (256 * 1024 * 1024)
char cur_product[FB_RESPONSE_SZ + 1];
void bootimg_set_cmdline(boot_img_hdr *h, const char *cmdline);
boot_img_hdr *mkbootimg(void *kernel, unsigned kernel_size,
void *ramdisk, unsigned ramdisk_size,
void *second, unsigned second_size,
unsigned page_size, unsigned base,
unsigned *bootimg_size);
static usb_handle *usb = 0;
static const char *serial = 0;
static const char *product = 0;
static const char *cmdline = 0;
static int wipe_data = 0;
static unsigned short vendor_id = 0;
static int64_t sparse_limit = -1;
static int64_t target_sparse_limit = -1;
static unsigned base_addr = 0x10000000;
void die(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
fprintf(stderr,"error: ");
vfprintf(stderr, fmt, ap);
fprintf(stderr,"\n");
va_end(ap);
exit(1);
}
void get_my_path(char *path);
char *find_item(const char *item, const char *product)
{
char *dir;
char *fn;
char path[PATH_MAX + 128];
if(!strcmp(item,"boot")) {
fn = "boot.img";
} else if(!strcmp(item,"recovery")) {
fn = "recovery.img";
} else if(!strcmp(item,"system")) {
fn = "system.img";
} else if(!strcmp(item,"userdata")) {
fn = "userdata.img";
} else if(!strcmp(item,"cache")) {
fn = "cache.img";
} else if(!strcmp(item,"info")) {
fn = "android-info.txt";
} else {
fprintf(stderr,"unknown partition '%s'\n", item);
return 0;
}
if(product) {
get_my_path(path);
sprintf(path + strlen(path),
"../../../target/product/%s/%s", product, fn);
return strdup(path);
}
dir = getenv("ANDROID_PRODUCT_OUT");
if((dir == 0) || (dir[0] == 0)) {
die("neither -p product specified nor ANDROID_PRODUCT_OUT set");
return 0;
}
sprintf(path, "%s/%s", dir, fn);
return strdup(path);
}
#ifdef _WIN32
void *load_file(const char *fn, unsigned *_sz);
int64_t file_size(const char *fn);
#else
#if defined(__APPLE__) && defined(__MACH__)
#define lseek64 lseek
#define off64_t off_t
#endif
int64_t file_size(const char *fn)
{
off64_t off;
int fd;
fd = open(fn, O_RDONLY);
if (fd < 0) return -1;
off = lseek64(fd, 0, SEEK_END);
close(fd);
return off;
}
void *load_file(const char *fn, unsigned *_sz)
{
char *data;
int sz;
int fd;
data = 0;
fd = open(fn, O_RDONLY);
if(fd < 0) return 0;
sz = lseek(fd, 0, SEEK_END);
if(sz < 0) goto oops;
if(lseek(fd, 0, SEEK_SET) != 0) goto oops;
data = (char*) malloc(sz);
if(data == 0) goto oops;
if(read(fd, data, sz) != sz) goto oops;
close(fd);
if(_sz) *_sz = sz;
return data;
oops:
close(fd);
if(data != 0) free(data);
return 0;
}
#endif
int match_fastboot(usb_ifc_info *info)
{
if(!(vendor_id && (info->dev_vendor == vendor_id)) &&
(info->dev_vendor != 0x18d1) && // Google
(info->dev_vendor != 0x8087) && // Intel
(info->dev_vendor != 0x0451) &&
(info->dev_vendor != 0x0502) &&
(info->dev_vendor != 0x0fce) && // Sony Ericsson
(info->dev_vendor != 0x05c6) && // Qualcomm
(info->dev_vendor != 0x22b8) && // Motorola
(info->dev_vendor != 0x0955) && // Nvidia
(info->dev_vendor != 0x413c) && // DELL
(info->dev_vendor != 0x2314) && // INQ Mobile
(info->dev_vendor != 0x0b05) && // Asus
(info->dev_vendor != 0x0bb4)) // HTC
return -1;
if(info->ifc_class != 0xff) return -1;
if(info->ifc_subclass != 0x42) return -1;
if(info->ifc_protocol != 0x03) return -1;
// require matching serial number if a serial number is specified
// at the command line with the -s option.
if (serial && strcmp(serial, info->serial_number) != 0) return -1;
return 0;
}
int list_devices_callback(usb_ifc_info *info)
{
if (match_fastboot(info) == 0) {
char* serial = info->serial_number;
if (!info->writable) {
serial = "no permissions"; // like "adb devices"
}
if (!serial[0]) {
serial = "????????????";
}
// output compatible with "adb devices"
printf("%s\tfastboot\n", serial);
}
return -1;
}
usb_handle *open_device(void)
{
static usb_handle *usb = 0;
int announce = 1;
if(usb) return usb;
for(;;) {
usb = usb_open(match_fastboot);
if(usb) return usb;
if(announce) {
announce = 0;
fprintf(stderr,"< waiting for device >\n");
}
sleep(1);
}
}
void list_devices(void) {
// We don't actually open a USB device here,
// just getting our callback called so we can
// list all the connected devices.
usb_open(list_devices_callback);
}
void usage(void)
{
fprintf(stderr,
/* 1234567890123456789012345678901234567890123456789012345678901234567890123456 */
"usage: fastboot [ <option> ] <command>\n"
"\n"
"commands:\n"
" update <filename> reflash device from update.zip\n"
" flashall flash boot + recovery + system\n"
" flash <partition> [ <filename> ] write a file to a flash partition\n"
" erase <partition> erase a flash partition\n"
" format <partition> format a flash partition \n"
" getvar <variable> display a bootloader variable\n"
" boot <kernel> [ <ramdisk> ] download and boot kernel\n"
" flash:raw boot <kernel> [ <ramdisk> ] create bootimage and flash it\n"
" devices list all connected devices\n"
" continue continue with autoboot\n"
" reboot reboot device normally\n"
" reboot-bootloader reboot device into bootloader\n"
" help show this help message\n"
"\n"
"options:\n"
" -w erase userdata and cache\n"
" -s <serial number> specify device serial number\n"
" -p <product> specify product name\n"
" -c <cmdline> override kernel commandline\n"
" -i <vendor id> specify a custom USB vendor id\n"
" -b <base_addr> specify a custom kernel base address\n"
" -n <page size> specify the nand page size. default: 2048\n"
" -S <size>[K|M|G] automatically sparse files greater than\n"
" size. default: 256M, 0 to disable\n"
);
}
void *load_bootable_image(unsigned page_size, const char *kernel, const char *ramdisk,
unsigned *sz, const char *cmdline)
{
void *kdata = 0, *rdata = 0;
unsigned ksize = 0, rsize = 0;
void *bdata;
unsigned bsize;
if(kernel == 0) {
fprintf(stderr, "no image specified\n");
return 0;
}
kdata = load_file(kernel, &ksize);
if(kdata == 0) {
fprintf(stderr, "cannot load '%s'\n", kernel);
return 0;
}
/* is this actually a boot image? */
if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
if(ramdisk) {
fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
return 0;
}
*sz = ksize;
return kdata;
}
if(ramdisk) {
rdata = load_file(ramdisk, &rsize);
if(rdata == 0) {
fprintf(stderr,"cannot load '%s'\n", ramdisk);
return 0;
}
}
fprintf(stderr,"creating boot image...\n");
bdata = mkbootimg(kdata, ksize, rdata, rsize, 0, 0, page_size, base_addr, &bsize);
if(bdata == 0) {
fprintf(stderr,"failed to create boot.img\n");
return 0;
}
if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
fprintf(stderr,"creating boot image - %d bytes\n", bsize);
*sz = bsize;
return bdata;
}
void *unzip_file(zipfile_t zip, const char *name, unsigned *sz)
{
void *data;
zipentry_t entry;
unsigned datasz;
entry = lookup_zipentry(zip, name);
if (entry == NULL) {
fprintf(stderr, "archive does not contain '%s'\n", name);
return 0;
}
*sz = get_zipentry_size(entry);
datasz = *sz * 1.001;
data = malloc(datasz);
if(data == 0) {
fprintf(stderr, "failed to allocate %d bytes\n", *sz);
return 0;
}
if (decompress_zipentry(entry, data, datasz)) {
fprintf(stderr, "failed to unzip '%s' from archive\n", name);
free(data);
return 0;
}
return data;
}
static char *strip(char *s)
{
int n;
while(*s && isspace(*s)) s++;
n = strlen(s);
while(n-- > 0) {
if(!isspace(s[n])) break;
s[n] = 0;
}
return s;
}
#define MAX_OPTIONS 32
static int setup_requirement_line(char *name)
{
char *val[MAX_OPTIONS];
const char **out;
char *prod = NULL;
unsigned n, count;
char *x;
int invert = 0;
if (!strncmp(name, "reject ", 7)) {
name += 7;
invert = 1;
} else if (!strncmp(name, "require ", 8)) {
name += 8;
invert = 0;
} else if (!strncmp(name, "require-for-product:", 20)) {
// Get the product and point name past it
prod = name + 20;
name = strchr(name, ' ');
if (!name) return -1;
*name = 0;
name += 1;
invert = 0;
}
x = strchr(name, '=');
if (x == 0) return 0;
*x = 0;
val[0] = x + 1;
for(count = 1; count < MAX_OPTIONS; count++) {
x = strchr(val[count - 1],'|');
if (x == 0) break;
*x = 0;
val[count] = x + 1;
}
name = strip(name);
for(n = 0; n < count; n++) val[n] = strip(val[n]);
name = strip(name);
if (name == 0) return -1;
/* work around an unfortunate name mismatch */
if (!strcmp(name,"board")) name = "product";
out = malloc(sizeof(char*) * count);
if (out == 0) return -1;
for(n = 0; n < count; n++) {
out[n] = strdup(strip(val[n]));
if (out[n] == 0) return -1;
}
fb_queue_require(prod, name, invert, n, out);
return 0;
}
static void setup_requirements(char *data, unsigned sz)
{
char *s;
s = data;
while (sz-- > 0) {
if(*s == '\n') {
*s++ = 0;
if (setup_requirement_line(data)) {
die("out of memory");
}
data = s;
} else {
s++;
}
}
}
void queue_info_dump(void)
{
fb_queue_notice("--------------------------------------------");
fb_queue_display("version-bootloader", "Bootloader Version...");
fb_queue_display("version-baseband", "Baseband Version.....");
fb_queue_display("serialno", "Serial Number........");
fb_queue_notice("--------------------------------------------");
}
struct sparse_file **load_sparse_files(const char *fname, int max_size)
{
int fd;
struct sparse_file *s;
int files;
struct sparse_file **out_s;
fd = open(fname, O_RDONLY | O_BINARY);
if (fd < 0) {
die("cannot open '%s'\n", fname);
}
s = sparse_file_import_auto(fd, false);
if (!s) {
die("cannot sparse read file '%s'\n", fname);
}
files = sparse_file_resparse(s, max_size, NULL, 0);
if (files < 0) {
die("Failed to resparse '%s'\n", fname);
}
out_s = calloc(sizeof(struct sparse_file *), files + 1);
if (!out_s) {
die("Failed to allocate sparse file array\n");
}
files = sparse_file_resparse(s, max_size, out_s, files);
if (files < 0) {
die("Failed to resparse '%s'\n", fname);
}
return out_s;
}
static int64_t get_target_sparse_limit(struct usb_handle *usb)
{
int64_t limit = 0;
char response[FB_RESPONSE_SZ + 1];
int status = fb_getvar(usb, response, "max-download-size");
if (!status) {
limit = strtoul(response, NULL, 0);
if (limit > 0) {
fprintf(stderr, "target reported max download size of %lld bytes\n",
limit);
}
}
return limit;
}
static int64_t get_sparse_limit(struct usb_handle *usb, int64_t size)
{
int64_t limit;
if (sparse_limit == 0) {
return 0;
} else if (sparse_limit > 0) {
limit = sparse_limit;
} else {
if (target_sparse_limit == -1) {
target_sparse_limit = get_target_sparse_limit(usb);
}
if (target_sparse_limit > 0) {
limit = target_sparse_limit;
} else {
limit = DEFAULT_SPARSE_LIMIT;
}
}
if (size > limit) {
return limit;
}
return 0;
}
void do_flash(usb_handle *usb, const char *pname, const char *fname)
{
int64_t sz64;
void *data;
int64_t limit;
sz64 = file_size(fname);
limit = get_sparse_limit(usb, sz64);
if (limit) {
struct sparse_file **s = load_sparse_files(fname, limit);
if (s == NULL) {
die("cannot sparse load '%s'\n", fname);
}
while (*s) {
sz64 = sparse_file_len(*s, true, false);
fb_queue_flash_sparse(pname, *s++, sz64);
}
} else {
unsigned int sz;
data = load_file(fname, &sz);
if (data == 0) die("cannot load '%s'\n", fname);
fb_queue_flash(pname, data, sz);
}
}
void do_update_signature(zipfile_t zip, char *fn)
{
void *data;
unsigned sz;
data = unzip_file(zip, fn, &sz);
if (data == 0) return;
fb_queue_download("signature", data, sz);
fb_queue_command("signature", "installing signature");
}
void do_update(char *fn)
{
void *zdata;
unsigned zsize;
void *data;
unsigned sz;
zipfile_t zip;
queue_info_dump();
fb_queue_query_save("product", cur_product, sizeof(cur_product));
zdata = load_file(fn, &zsize);
if (zdata == 0) die("failed to load '%s'", fn);
zip = init_zipfile(zdata, zsize);
if(zip == 0) die("failed to access zipdata in '%s'");
data = unzip_file(zip, "android-info.txt", &sz);
if (data == 0) {
char *tmp;
/* fallback for older zipfiles */
data = unzip_file(zip, "android-product.txt", &sz);
if ((data == 0) || (sz < 1)) {
die("update package has no android-info.txt or android-product.txt");
}
tmp = malloc(sz + 128);
if (tmp == 0) die("out of memory");
sprintf(tmp,"board=%sversion-baseband=0.66.04.19\n",(char*)data);
data = tmp;
sz = strlen(tmp);
}
setup_requirements(data, sz);
data = unzip_file(zip, "boot.img", &sz);
if (data == 0) die("update package missing boot.img");
do_update_signature(zip, "boot.sig");
fb_queue_flash("boot", data, sz);
data = unzip_file(zip, "recovery.img", &sz);
if (data != 0) {
do_update_signature(zip, "recovery.sig");
fb_queue_flash("recovery", data, sz);
}
data = unzip_file(zip, "system.img", &sz);
if (data == 0) die("update package missing system.img");
do_update_signature(zip, "system.sig");
fb_queue_flash("system", data, sz);
}
void do_send_signature(char *fn)
{
void *data;
unsigned sz;
char *xtn;
xtn = strrchr(fn, '.');
if (!xtn) return;
if (strcmp(xtn, ".img")) return;
strcpy(xtn,".sig");
data = load_file(fn, &sz);
strcpy(xtn,".img");
if (data == 0) return;
fb_queue_download("signature", data, sz);
fb_queue_command("signature", "installing signature");
}
void do_flashall(void)
{
char *fname;
void *data;
unsigned sz;
queue_info_dump();
fb_queue_query_save("product", cur_product, sizeof(cur_product));
fname = find_item("info", product);
if (fname == 0) die("cannot find android-info.txt");
data = load_file(fname, &sz);
if (data == 0) die("could not load android-info.txt");
setup_requirements(data, sz);
fname = find_item("boot", product);
data = load_file(fname, &sz);
if (data == 0) die("could not load boot.img");
do_send_signature(fname);
fb_queue_flash("boot", data, sz);
fname = find_item("recovery", product);
data = load_file(fname, &sz);
if (data != 0) {
do_send_signature(fname);
fb_queue_flash("recovery", data, sz);
}
fname = find_item("system", product);
data = load_file(fname, &sz);
if (data == 0) die("could not load system.img");
do_send_signature(fname);
fb_queue_flash("system", data, sz);
}
#define skip(n) do { argc -= (n); argv += (n); } while (0)
#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
int do_oem_command(int argc, char **argv)
{
int i;
char command[256];
if (argc <= 1) return 0;
command[0] = 0;
while(1) {
strcat(command,*argv);
skip(1);
if(argc == 0) break;
strcat(command," ");
}
fb_queue_command(command,"");
return 0;
}
static int64_t parse_num(const char *arg)
{
char *endptr;
unsigned long long num;
num = strtoull(arg, &endptr, 0);
if (endptr == arg) {
return -1;
}
if (*endptr == 'k' || *endptr == 'K') {
if (num >= (-1ULL) / 1024) {
return -1;
}
num *= 1024LL;
endptr++;
} else if (*endptr == 'm' || *endptr == 'M') {
if (num >= (-1ULL) / (1024 * 1024)) {
return -1;
}
num *= 1024LL * 1024LL;
endptr++;
} else if (*endptr == 'g' || *endptr == 'G') {
if (num >= (-1ULL) / (1024 * 1024 * 1024)) {
return -1;
}
num *= 1024LL * 1024LL * 1024LL;
endptr++;
}
if (*endptr != '\0') {
return -1;
}
if (num > INT64_MAX) {
return -1;
}
return num;
}
int main(int argc, char **argv)
{
int wants_wipe = 0;
int wants_reboot = 0;
int wants_reboot_bootloader = 0;
void *data;
unsigned sz;
unsigned page_size = 2048;
int status;
int c;
int r;
const struct option longopts = { 0, 0, 0, 0 };
serial = getenv("ANDROID_SERIAL");
while (1) {
c = getopt_long(argc, argv, "wb:n:s:S:p:c:i:m:h", &longopts, NULL);
if (c < 0) {
break;
}
switch (c) {
case 'w':
wants_wipe = 1;
break;
case 'b':
base_addr = strtoul(optarg, 0, 16);
break;
case 'n':
page_size = (unsigned)strtoul(optarg, NULL, 0);
if (!page_size) die("invalid page size");
break;
case 's':
serial = optarg;
break;
case 'S':
sparse_limit = parse_num(optarg);
if (sparse_limit < 0) {
die("invalid sparse limit");
}
break;
case 'p':
product = optarg;
break;
case 'c':
cmdline = optarg;
break;
case 'i': {
char *endptr = NULL;
unsigned long val;
val = strtoul(optarg, &endptr, 0);
if (!endptr || *endptr != '\0' || (val & ~0xffff))
die("invalid vendor id '%s'", optarg);
vendor_id = (unsigned short)val;
break;
}
case 'h':
usage();
return 1;
case '?':
return 1;
default:
abort();
}
}
argc -= optind;
argv += optind;
if (argc == 0 && !wants_wipe) {
usage();
return 1;
}
if (!strcmp(*argv, "devices")) {
skip(1);
list_devices();
return 0;
}
usb = open_device();
while (argc > 0) {
if(!strcmp(*argv, "getvar")) {
require(2);
fb_queue_display(argv[1], argv[1]);
skip(2);
} else if(!strcmp(*argv, "erase")) {
require(2);
fb_queue_erase(argv[1]);
skip(2);
} else if(!strcmp(*argv, "format")) {
require(2);
fb_queue_format(argv[1], 0);
skip(2);
} else if(!strcmp(*argv, "signature")) {
require(2);
data = load_file(argv[1], &sz);
if (data == 0) die("could not load '%s'", argv[1]);
if (sz != 256) die("signature must be 256 bytes");
fb_queue_download("signature", data, sz);
fb_queue_command("signature", "installing signature");
skip(2);
} else if(!strcmp(*argv, "reboot")) {
wants_reboot = 1;
skip(1);
} else if(!strcmp(*argv, "reboot-bootloader")) {
wants_reboot_bootloader = 1;
skip(1);
} else if (!strcmp(*argv, "continue")) {
fb_queue_command("continue", "resuming boot");
skip(1);
} else if(!strcmp(*argv, "boot")) {
char *kname = 0;
char *rname = 0;
skip(1);
if (argc > 0) {
kname = argv[0];
skip(1);
}
if (argc > 0) {
rname = argv[0];
skip(1);
}
data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
if (data == 0) return 1;
fb_queue_download("boot.img", data, sz);
fb_queue_command("boot", "booting");
} else if(!strcmp(*argv, "flash")) {
char *pname = argv[1];
char *fname = 0;
require(2);
if (argc > 2) {
fname = argv[2];
skip(3);
} else {
fname = find_item(pname, product);
skip(2);
}
if (fname == 0) die("cannot determine image filename for '%s'", pname);
do_flash(usb, pname, fname);
} else if(!strcmp(*argv, "flash:raw")) {
char *pname = argv[1];
char *kname = argv[2];
char *rname = 0;
require(3);
if(argc > 3) {
rname = argv[3];
skip(4);
} else {
skip(3);
}
data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
if (data == 0) die("cannot load bootable image");
fb_queue_flash(pname, data, sz);
} else if(!strcmp(*argv, "flashall")) {
skip(1);
do_flashall();
wants_reboot = 1;
} else if(!strcmp(*argv, "update")) {
if (argc > 1) {
do_update(argv[1]);
skip(2);
} else {
do_update("update.zip");
skip(1);
}
wants_reboot = 1;
} else if(!strcmp(*argv, "oem")) {
argc = do_oem_command(argc, argv);
} else if (!strcmp(*argv, "help")) {
usage();
return 0;
} else {
usage();
return 1;
}
}
if (wants_wipe) {
fb_queue_erase("userdata");
fb_queue_format("userdata", 1);
fb_queue_erase("cache");
fb_queue_format("cache", 1);
}
if (wants_reboot) {
fb_queue_reboot();
} else if (wants_reboot_bootloader) {
fb_queue_command("reboot-bootloader", "rebooting into bootloader");
}
status = fb_execute_queue(usb);
return (status) ? 1 : 0;
}
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