/* Check a particular volume to see if there is an automatic OTA
* package present on it, and if so, return a path which can be
* fed to the command line of the recovery console.
*
* Don't report errors if we can't mount the volume or the
* auto-ota file doesn't exist. */
static char *detect_sw_update(Volume *vol)
{
char *filename = NULL;
struct stat statbuf;
char *ret = NULL;
char *mountpoint = NULL;
if (asprintf(&mountpoint, "/mnt%s", vol->mount_point) < 0) {
pr_perror("asprintf");
die();
}
if (asprintf(&filename, "%s/" AUTO_UPDATE_FNAME,
mountpoint) < 0) {
pr_perror("asprintf");
die();
}
pr_debug("Looking for %s...\n", filename);
if (mount_partition_device(vol->device, vol->fs_type,
mountpoint)) {
if (!vol->device2 || mount_partition_device(vol->device2,
vol->fs_type, mountpoint))
{
pr_debug("Couldn't mount %s.\n", vol->mount_point);
goto out;
}
}
if (stat(filename, &statbuf)) {
if (errno == ENOENT)
pr_debug("Coudln't find %s.\n", filename);
else
pr_perror("stat");
} else {
ret = strdup(filename + 4); /* Nip off leading '/mnt' */
if (!ret) {
pr_perror("strdup");
die();
}
pr_info("OTA Update package found: %s.\n", filename);
}
out:
free(filename);
umount(mountpoint);
free(mountpoint);
return ret;
}
void syslinux_execute(void)
{
char *device, *diskdevice;
char *bootimages;
int fd;
if (strcmp(hashmapGetPrintf(ictx.opts, "none", BASE_BOOTLOADER),
"syslinux"))
return;
pr_info("Writing MBR");
diskdevice = xasprintf("/dev/block/%s",
hashmapGetPrintf(ictx.opts, NULL, BASE_INSTALL_DISK));
dd(SYSLINUX_MBR, diskdevice);
free(diskdevice);
/* SYSLINUX complains if this isn't done */
chmod("/tmp", 01777);
bootimages = hashmapGetPrintf(ictx.opts, NULL, BASE_BOOT_LIST);
device = hashmapGetPrintf(ictx.opts, NULL, "partition.bootloader:device");
pr_info("Installing ldlinux.sys onto %s", device);
do_install_syslinux(device);
/* In case we die() before we are finished */
signal(SIGABRT, sighandler);
mount_partition_device(device, "vfat", BOOTLOADER_PATH);
pr_info("Copying syslinux support files");
copy_file(IMAGES_PATH "vesamenu.c32", BOOTLOADER_PATH "vesamenu.c32");
copy_file(IMAGES_PATH "android.c32", BOOTLOADER_PATH "android.c32");
pr_info("Constructing syslinux.cfg");
/* Put the initial template stuff in */
copy_file(SYSLINUX_CFG_TEM_FN, SYSLINUX_CFG_FN);
fd = xopen(SYSLINUX_CFG_FN, O_WRONLY | O_APPEND);
put_string(fd, "menu androidcommand %s\n",
hashmapGetPrintf(ictx.opts, NULL, "partition.misc:index"));
string_list_iterate(bootimages, bootimage_cb, &fd);
xclose(fd);
umount(BOOTLOADER_PATH);
rmdir(BOOTLOADER_PATH);
signal(SIGABRT, SIG_DFL);
pr_info("SYSLINUX installation complete");
}