server_op_res_t save_state(char *key, update_state_t value)
{
int ret;
char value_str[2] = {value, '\0'};
CHECK_STATE_VAR(key);
ret = bootloader_env_set(key, value_str);
return ret == 0 ? SERVER_OK : SERVER_EERR;
}
int bootloader_env_unset(const char *name)
{
return bootloader_env_set(name, "");
}
static int install_from_file(char *fname, int check)
{
int fdsw;
off_t pos;
int ret;
if (!strlen(fname)) {
ERROR("Image not found...please reboot");
exit(EXIT_FAILURE);
}
fdsw = open(fname, O_RDONLY);
if (fdsw < 0) {
fdsw = searching_for_image(fname);
if (fdsw < 0) {
ERROR("Image Software cannot be read...exiting !");
exit(EXIT_FAILURE);
}
}
pos = 0;
ret = extract_sw_description(fdsw, SW_DESCRIPTION_FILENAME, &pos);
#ifdef CONFIG_SIGNED_IMAGES
ret |= extract_sw_description(fdsw, SW_DESCRIPTION_FILENAME ".sig",
&pos);
#endif
/*
* Check if files could be extracted
*/
if (ret) {
ERROR("Failed to extract meta information");
exit(EXIT_FAILURE);
}
char* swdescfilename = alloca(strlen(get_tmpdir())+strlen(SW_DESCRIPTION_FILENAME)+1);
sprintf(swdescfilename, "%s%s", get_tmpdir(), SW_DESCRIPTION_FILENAME);
ret = parse(&swcfg, swdescfilename);
if (ret) {
ERROR("failed to parse " SW_DESCRIPTION_FILENAME "!");
exit(EXIT_FAILURE);
}
if (check_hw_compatibility(&swcfg)) {
ERROR("SW not compatible with hardware");
exit(EXIT_FAILURE);
}
if (cpio_scan(fdsw, &swcfg, pos) < 0) {
ERROR("failed to scan for pos '%ld'!", pos);
close(fdsw);
exit(EXIT_FAILURE);
}
/*
* Check if all files described in sw-description
* are in the image
*/
ret = check_provided(&swcfg.images);
if (ret) {
ERROR("failed to check images!");
exit(EXIT_FAILURE);
}
ret = check_provided(&swcfg.scripts);
if (ret) {
ERROR("failed to check scripts!");
exit(EXIT_FAILURE);
}
if (check) {
fprintf(stdout, "successfully checked '%s'\n", fname);
exit(EXIT_SUCCESS);
}
#ifdef CONFIG_MTD
mtd_cleanup();
scan_mtd_devices();
#endif
/*
* Set "recovery_status" as begin of the transaction"
*/
if (swcfg.bootloader_transaction_marker) {
bootloader_env_set(BOOTVAR_TRANSACTION, "in_progress");
}
ret = install_images(&swcfg, fdsw, 1);
swupdate_progress_end(ret == 0 ? SUCCESS : FAILURE);
close(fdsw);
if (ret) {
fprintf(stdout, "Software updated failed\n");
return EXIT_FAILURE;
}
if (swcfg.bootloader_transaction_marker) {
bootloader_env_unset(BOOTVAR_TRANSACTION);
}
fprintf(stdout, "Software updated successfully\n");
fprintf(stdout, "Please reboot the device to start the new software\n");
return EXIT_SUCCESS;
}
