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platform_system_core/fastboot/fastboot.c

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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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <limits.h>
#include <ctype.h>
#include <sys/time.h>
#include <bootimg.h>
#include <zipfile/zipfile.h>
#include "fastboot.h"
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 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,"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);
#else
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 != 0x0451) &&
(info->dev_vendor != 0x22b8) && // Motorola
(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 (!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"
" 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"
" reboot reboot device normally\n"
" reboot-bootloader reboot device into bootloader\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"
);
exit(1);
}
void *load_bootable_image(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, 2048, 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;
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;
}
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(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("--------------------------------------------");
}
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();
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();
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(); } 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;
}
int main(int argc, char **argv)
{
int wants_wipe = 0;
int wants_reboot = 0;
int wants_reboot_bootloader = 0;
void *data;
unsigned sz;
skip(1);
if (argc == 0) {
usage();
return 0;
}
if (!strcmp(*argv, "devices")) {
list_devices();
return 0;
}
while (argc > 0) {
if(!strcmp(*argv, "-w")) {
wants_wipe = 1;
skip(1);
} else if(!strcmp(*argv, "-b")) {
require(2);
base_addr = strtoul(argv[1], 0, 16);
skip(2);
} else if(!strcmp(*argv, "-s")) {
require(2);
serial = argv[1];
skip(2);
} else if(!strcmp(*argv, "-p")) {
require(2);
product = argv[1];
skip(2);
} else if(!strcmp(*argv, "-c")) {
require(2);
cmdline = argv[1];
skip(2);
} else if(!strcmp(*argv, "-i")) {
char *endptr = NULL;
unsigned long val;
require(2);
val = strtoul(argv[1], &endptr, 0);
if (!endptr || *endptr != '\0' || (val & ~0xffff))
die("invalid vendor id '%s'", argv[1]);
vendor_id = (unsigned short)val;
skip(2);
} else 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, "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(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);
data = load_file(fname, &sz);
if (data == 0) die("cannot load '%s'\n", fname);
fb_queue_flash(pname, data, sz);
} 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(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 {
usage();
}
}
if (wants_wipe) {
fb_queue_erase("userdata");
fb_queue_erase("cache");
}
if (wants_reboot) {
fb_queue_reboot();
} else if (wants_reboot_bootloader) {
fb_queue_command("reboot-bootloader", "rebooting into bootloader");
}
usb = open_device();
fb_execute_queue(usb);
return 0;
}
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