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fastboot.cpp
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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 <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <inttypes.h>
#include <limits.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <sparse/sparse.h>
#include <ziparchive/zip_archive.h>
#include "bootimg_utils.h"
#include "fastboot.h"
#include "fs.h"
#ifndef O_BINARY
#define O_BINARY 0
#endif
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(*(a)))
char cur_product[FB_RESPONSE_SZ + 1];
static const char *serial = 0;
static const char *product = 0;
static const char *cmdline = 0;
static unsigned short vendor_id = 0;
static int long_listing = 0;
static int64_t sparse_limit = -1;
static int64_t target_sparse_limit = -1;
unsigned page_size = 2048;
unsigned base_addr = 0x10000000;
unsigned kernel_offset = 0x00008000;
unsigned ramdisk_offset = 0x01000000;
unsigned second_offset = 0x00f00000;
unsigned tags_offset = 0x00000100;
enum fb_buffer_type {
FB_BUFFER,
FB_BUFFER_SPARSE,
};
struct fastboot_buffer {
enum fb_buffer_type type;
void *data;
unsigned int sz;
};
static struct {
char img_name[13];
char sig_name[13];
char part_name[9];
bool is_optional;
} images[] = {
{"boot.img", "boot.sig", "boot", false},
{"recovery.img", "recovery.sig", "recovery", true},
{"system.img", "system.sig", "system", false},
{"vendor.img", "vendor.sig", "vendor", true},
};
char *find_item(const char *item, const char *product)
{
char *dir;
const 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,"vendor")) {
fn = "vendor.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);
}
static int64_t file_size(int fd)
{
struct stat st;
int ret;
ret = fstat(fd, &st);
return ret ? -1 : st.st_size;
}
static void *load_fd(int fd, unsigned *_sz)
{
char *data;
int sz;
int errno_tmp;
data = 0;
sz = file_size(fd);
if (sz < 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:
errno_tmp = errno;
close(fd);
if(data != 0) free(data);
errno = errno_tmp;
return 0;
}
static void *load_file(const char *fn, unsigned *_sz)
{
int fd;
fd = open(fn, O_RDONLY | O_BINARY);
if(fd < 0) return 0;
return load_fd(fd, _sz);
}
int match_fastboot_with_serial(usb_ifc_info *info, const char *local_serial)
{
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 or device path if requested
// at the command line with the -s option.
if (local_serial && (strcmp(local_serial, info->serial_number) != 0 &&
strcmp(local_serial, info->device_path) != 0)) return -1;
return 0;
}
int match_fastboot(usb_ifc_info *info)
{
return match_fastboot_with_serial(info, serial);
}
int list_devices_callback(usb_ifc_info *info)
{
if (match_fastboot_with_serial(info, NULL) == 0) {
const char* serial = info->serial_number;
if (!info->writable) {
serial = "no permissions"; // like "adb devices"
}
if (!serial[0]) {
serial = "????????????";
}
// output compatible with "adb devices"
if (!long_listing) {
printf("%s\tfastboot\n", serial);
} else if (strcmp("", info->device_path) == 0) {
printf("%-22s fastboot\n", serial);
} else {
printf("%-22s fastboot %s\n", serial, info->device_path);
}
}
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");
}
usleep(1000);
}
}
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, system, vendor and if found,\n"
" recovery\n"
" flash <partition> [ <filename> ] write a file to a flash partition\n"
" flashing lock locks the device. Prevents flashing"
" partitions\n"
" flashing unlock unlocks the device. Allows user to"
" flash any partition except the ones"
" that are related to bootloader\n"
" flashing lock_critical Prevents flashing bootloader related"
" partitions\n"
" flashing unlock_critical Enables flashing bootloader related"
" partitions\n"
" flashing get_unlock_ability Queries bootloader to see if the"
" device is unlocked\n"
" erase <partition> erase a flash partition\n"
" format[:[<fs type>][:[<size>]] <partition> format a flash partition.\n"
" Can override the fs type and/or\n"
" size the bootloader reports.\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 [bootloader] reboot device, optionally into bootloader\n"
" reboot-bootloader reboot device into bootloader\n"
" help show this help message\n"
" vivo proper\n"
" bbk unlock_vivo unlocks the vivo device\n"
" bbk lock_vivo locks the vivo device\n"
"\n"
"options:\n"
" -w erase userdata and cache (and format\n"
" if supported by partition type)\n"
" -u do not first erase partition before\n"
" formatting\n"
" -s <specific device> specify device serial number\n"
" or path to device port\n"
" -l with \"devices\", lists device paths\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"
" default: 0x10000000\n"
" -n <page size> specify the nand page size.\n"
" default: 2048\n"
" -S <size>[K|M|G] automatically sparse files greater\n"
" than size. 0 to disable\n"
);
}
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': %s\n", kernel, strerror(errno));
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': %s\n", ramdisk, strerror(errno));
return 0;
}
}
fprintf(stderr,"creating boot image...\n");
bdata = mkbootimg(kdata, ksize, kernel_offset,
rdata, rsize, ramdisk_offset,
0, 0, second_offset,
page_size, base_addr, tags_offset, &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;
}
static void* unzip_file(ZipArchiveHandle zip, const char* entry_name, unsigned* sz)
{
ZipEntryName zip_entry_name(entry_name);
ZipEntry zip_entry;
if (FindEntry(zip, zip_entry_name, &zip_entry) != 0) {
fprintf(stderr, "archive does not contain '%s'\n", entry_name);
return 0;
}
*sz = zip_entry.uncompressed_length;
uint8_t* data = reinterpret_cast<uint8_t*>(malloc(zip_entry.uncompressed_length));
if (data == NULL) {
fprintf(stderr, "failed to allocate %u bytes for '%s'\n", *sz, entry_name);
return 0;
}
int error = ExtractToMemory(zip, &zip_entry, data, zip_entry.uncompressed_length);
if (error != 0) {
fprintf(stderr, "failed to extract '%s': %s\n", entry_name, ErrorCodeString(error));
free(data);
return 0;
}
return data;
}
#if defined(_WIN32)
// TODO: move this to somewhere it can be shared.
#include <windows.h>
// Windows' tmpfile(3) requires administrator rights because
// it creates temporary files in the root directory.
static FILE* win32_tmpfile() {
char temp_path[PATH_MAX];
DWORD nchars = GetTempPath(sizeof(temp_path), temp_path);
if (nchars == 0 || nchars >= sizeof(temp_path)) {
fprintf(stderr, "GetTempPath failed, error %ld\n", GetLastError());
return nullptr;
}
char filename[PATH_MAX];
if (GetTempFileName(temp_path, "fastboot", 0, filename) == 0) {
fprintf(stderr, "GetTempFileName failed, error %ld\n", GetLastError());
return nullptr;
}
return fopen(filename, "w+bTD");
}
#define tmpfile win32_tmpfile
#endif
static int unzip_to_file(ZipArchiveHandle zip, char* entry_name) {
FILE* fp = tmpfile();
if (fp == NULL) {
fprintf(stderr, "failed to create temporary file for '%s': %s\n",
entry_name, strerror(errno));
return -1;
}
ZipEntryName zip_entry_name(entry_name);
ZipEntry zip_entry;
if (FindEntry(zip, zip_entry_name, &zip_entry) != 0) {
fprintf(stderr, "archive does not contain '%s'\n", entry_name);
return -1;
}
int fd = fileno(fp);
int error = ExtractEntryToFile(zip, &zip_entry, fd);
if (error != 0) {
fprintf(stderr, "failed to extract '%s': %s\n", entry_name, ErrorCodeString(error));
return -1;
}
lseek(fd, 0, SEEK_SET);
return fd;
}
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];
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;
const char* var = name;
// Work around an unfortunate name mismatch.
if (!strcmp(name,"board")) var = "product";
const char** out = reinterpret_cast<const char**>(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) {
for(size_t i = 0; i < n; ++i) {
free((char*) out[i]);
}
free(out);
return -1;
}
}
fb_queue_require(prod, var, 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("--------------------------------------------");
}
static struct sparse_file **load_sparse_files(int fd, int max_size)
{
struct sparse_file* s = sparse_file_import_auto(fd, false, true);
if (!s) {
die("cannot sparse read file\n");
}
int files = sparse_file_resparse(s, max_size, NULL, 0);
if (files < 0) {
die("Failed to resparse\n");
}
sparse_file** out_s = reinterpret_cast<sparse_file**>(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\n");
}
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 %" PRId64 " 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 {
return 0;
}
}
if (size > limit) {
return limit;
}
return 0;
}
/* Until we get lazy inode table init working in make_ext4fs, we need to
* erase partitions of type ext4 before flashing a filesystem so no stale
* inodes are left lying around. Otherwise, e2fsck gets very upset.
*/
static int needs_erase(usb_handle* usb, const char *part)
{
/* The function fb_format_supported() currently returns the value
* we want, so just call it.
*/
return fb_format_supported(usb, part, NULL);
}
static int load_buf_fd(usb_handle *usb, int fd,
struct fastboot_buffer *buf)
{
int64_t sz64;
void *data;
int64_t limit;
sz64 = file_size(fd);
if (sz64 < 0) {
return -1;
}
lseek(fd, 0, SEEK_SET);
limit = get_sparse_limit(usb, sz64);
if (limit) {
struct sparse_file **s = load_sparse_files(fd, limit);
if (s == NULL) {
return -1;
}
buf->type = FB_BUFFER_SPARSE;
buf->data = s;
} else {
unsigned int sz;
data = load_fd(fd, &sz);
if (data == 0) return -1;
buf->type = FB_BUFFER;
buf->data = data;
buf->sz = sz;
}
return 0;
}
static int load_buf(usb_handle *usb, const char *fname,
struct fastboot_buffer *buf)
{
int fd;
fd = open(fname, O_RDONLY | O_BINARY);
if (fd < 0) {
return -1;
}
return load_buf_fd(usb, fd, buf);
}
static void flash_buf(const char *pname, struct fastboot_buffer *buf)
{
sparse_file** s;
switch (buf->type) {
case FB_BUFFER_SPARSE:
s = reinterpret_cast<sparse_file**>(buf->data);
while (*s) {
int64_t sz64 = sparse_file_len(*s, true, false);
fb_queue_flash_sparse(pname, *s++, sz64);
}
break;
case FB_BUFFER:
fb_queue_flash(pname, buf->data, buf->sz);
break;
default:
die("unknown buffer type: %d", buf->type);
}
}
void do_flash(usb_handle *usb, const char *pname, const char *fname)
{
struct fastboot_buffer buf;
if (load_buf(usb, fname, &buf)) {
die("cannot load '%s'", fname);
}
flash_buf(pname, &buf);
}
void do_update_signature(ZipArchiveHandle zip, char *fn)
{
unsigned sz;
void* 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(usb_handle *usb, const char *filename, int erase_first)
{
queue_info_dump();
fb_queue_query_save("product", cur_product, sizeof(cur_product));
ZipArchiveHandle zip;
int error = OpenArchive(filename, &zip);
if (error != 0) {
CloseArchive(zip);
die("failed to open zip file '%s': %s", filename, ErrorCodeString(error));
}
unsigned sz;
void* data = unzip_file(zip, "android-info.txt", &sz);
if (data == 0) {
CloseArchive(zip);
die("update package '%s' has no android-info.txt", filename);
}
setup_requirements(reinterpret_cast<char*>(data), sz);
for (size_t i = 0; i < ARRAY_SIZE(images); ++i) {
int fd = unzip_to_file(zip, images[i].img_name);
if (fd == -1) {
if (images[i].is_optional) {
continue;
}
CloseArchive(zip);
exit(1); // unzip_to_file already explained why.
}
fastboot_buffer buf;
int rc = load_buf_fd(usb, fd, &buf);
if (rc) die("cannot load %s from flash", images[i].img_name);
do_update_signature(zip, images[i].sig_name);
if (erase_first && needs_erase(usb, images[i].part_name)) {
fb_queue_erase(images[i].part_name);
}
flash_buf(images[i].part_name, &buf);
/* not closing the fd here since the sparse code keeps the fd around
* but hasn't mmaped data yet. The tmpfile will get cleaned up when the
* program exits.
*/
}
CloseArchive(zip);
}
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(usb_handle *usb, int erase_first)
{
queue_info_dump();
fb_queue_query_save("product", cur_product, sizeof(cur_product));
char* fname = find_item("info", product);
if (fname == 0) die("cannot find android-info.txt");
unsigned sz;
void* data = load_file(fname, &sz);
if (data == 0) die("could not load android-info.txt: %s", strerror(errno));
setup_requirements(reinterpret_cast<char*>(data), sz);
for (size_t i = 0; i < ARRAY_SIZE(images); i++) {
fname = find_item(images[i].part_name, product);
fastboot_buffer buf;
if (load_buf(usb, fname, &buf)) {
if (images[i].is_optional)
continue;
die("could not load %s\n", images[i].img_name);
}
do_send_signature(fname);
if (erase_first && needs_erase(usb, images[i].part_name)) {
fb_queue_erase(images[i].part_name);
}
flash_buf(images[i].part_name, &buf);
}
}
#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)
{
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;
}
void fb_perform_format(usb_handle* usb,
const char *partition, int skip_if_not_supported,
const char *type_override, const char *size_override)
{
char pTypeBuff[FB_RESPONSE_SZ + 1], pSizeBuff[FB_RESPONSE_SZ + 1];
char *pType = pTypeBuff;
char *pSize = pSizeBuff;
unsigned int limit = INT_MAX;
struct fastboot_buffer buf;
const char *errMsg = NULL;
const struct fs_generator *gen;
uint64_t pSz;
int status;
int fd;
if (target_sparse_limit > 0 && target_sparse_limit < limit)
limit = target_sparse_limit;
if (sparse_limit > 0 && sparse_limit < limit)
limit = sparse_limit;
status = fb_getvar(usb, pType, "partition-type:%s", partition);
if (status) {
errMsg = "Can't determine partition type.\n";
goto failed;
}
if (type_override) {
if (strcmp(type_override, pType)) {
fprintf(stderr,
"Warning: %s type is %s, but %s was requested for formating.\n",
partition, pType, type_override);
}
pType = (char *)type_override;
}
status = fb_getvar(usb, pSize, "partition-size:%s", partition);
if (status) {
errMsg = "Unable to get partition size\n";
goto failed;
}
if (size_override) {
if (strcmp(size_override, pSize)) {
fprintf(stderr,
"Warning: %s size is %s, but %s was requested for formating.\n",
partition, pSize, size_override);
}
pSize = (char *)size_override;
}
gen = fs_get_generator(pType);
if (!gen) {
if (skip_if_not_supported) {
fprintf(stderr, "Erase successful, but not automatically formatting.\n");
fprintf(stderr, "File system type %s not supported.\n", pType);
return;
}
fprintf(stderr, "Formatting is not supported for filesystem with type '%s'.\n", pType);
return;
}
pSz = strtoll(pSize, (char **)NULL, 16);
fd = fileno(tmpfile());
if (fs_generator_generate(gen, fd, pSz)) {
close(fd);
fprintf(stderr, "Cannot generate image.\n");
return;
}
if (load_buf_fd(usb, fd, &buf)) {
fprintf(stderr, "Cannot read image.\n");
close(fd);
return;
}
flash_buf(partition, &buf);
return;
failed:
if (skip_if_not_supported) {
fprintf(stderr, "Erase successful, but not automatically formatting.\n");
if (errMsg)
fprintf(stderr, "%s", errMsg);
}
fprintf(stderr,"FAILED (%s)\n", fb_get_error());
}
int main(int argc, char **argv)
{
int wants_wipe = 0;
int wants_reboot = 0;
int wants_reboot_bootloader = 0;
int erase_first = 1;
void *data;
unsigned sz;
int status;
int c;
int longindex;
const struct option longopts[] = {
{"base", required_argument, 0, 'b'},
{"kernel_offset", required_argument, 0, 'k'},
{"page_size", required_argument, 0, 'n'},
{"ramdisk_offset", required_argument, 0, 'r'},
{"tags_offset", required_argument, 0, 't'},