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|
/*
* restore.c
* Functions for handling idevices in restore mode
*
* Copyright (c) 2010-2013 Martin Szulecki. All Rights Reserved.
* Copyright (c) 2012-2015 Nikias Bassen. All Rights Reserved.
* Copyright (c) 2010 Joshua Hill. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <libimobiledevice/restore.h>
#include <zip.h>
#include <libirecovery.h>
#include "idevicerestore.h"
#include "asr.h"
#include "fdr.h"
#include "fls.h"
#include "mbn.h"
#include "tss.h"
#include "ipsw.h"
#include "restore.h"
#include "common.h"
#include "endianness.h"
#define CREATE_PARTITION_MAP 11
#define CREATE_FILESYSTEM 12
#define RESTORE_IMAGE 13
#define VERIFY_RESTORE 14
#define CHECK_FILESYSTEMS 15
#define MOUNT_FILESYSTEMS 16
#define FIXUP_VAR 17
#define FLASH_FIRMWARE 18
#define UPDATE_BASEBAND 19
#define SET_BOOT_STAGE 20
#define REBOOT_DEVICE 21
#define SHUTDOWN_DEVICE 22
#define TURN_ON_ACCESSORY_POWER 23
#define CLEAR_BOOTARGS 24
#define MODIFY_BOOTARGS 25
#define INSTALL_ROOT 26
#define INSTALL_KERNELCACHE 27
#define WAIT_FOR_NAND 28
#define UNMOUNT_FILESYSTEMS 29
#define SET_DATETIME 30
#define EXEC_IBOOT 31
#define FINALIZE_NAND_EPOCH_UPDATE 32
#define CHECK_INAPPR_BOOT_PARTITIONS 33
#define CREATE_FACTORY_RESTORE_MARKER 34
#define LOAD_FIRMWARE 35
#define CHECK_BATTERY_VOLTAGE 38
#define WAIT_BATTERY_CHARGE 39
#define CLOSE_MODEM_TICKETS 40
#define MIGRATE_DATA 41
#define WIPE_STORAGE_DEVICE 42
#define SEND_APPLE_LOGO 43
#define CHECK_LOGS 44
#define CLEAR_NVRAM 46
#define UPDATE_GAS_GAUGE 47
#define PREPARE_BASEBAND_UPDATE 48
#define BOOT_BASEBAND 49
#define CREATE_SYSTEM_KEYBAG 50
#define UPDATE_IR_MCU_FIRMWARE 51
#define RESIZE_SYSTEM_PARTITION 52
#define PAIR_STOCKHOLM 54
#define UPDATE_STOCKHOLM 55
#define UPDATE_SWDHID 56
#define UPDATE_S3E_FIRMWARE 58
#define UPDATE_SE_FIRMWARE 59
#define UPDATE_SAVAGE 60
#define CERTIFY_SAVAGE 61
static int restore_finished = 0;
static int restore_device_connected = 0;
int restore_client_new(struct idevicerestore_client_t* client) {
struct restore_client_t* restore = (struct restore_client_t*) malloc(sizeof(struct restore_client_t));
if (restore == NULL) {
error("ERROR: Out of memory\n");
return -1;
}
if (restore_open_with_timeout(client) < 0) {
restore_client_free(client);
return -1;
}
client->restore = restore;
return 0;
}
void restore_client_free(struct idevicerestore_client_t* client) {
if (client && client->restore) {
if(client->restore->client) {
restored_client_free(client->restore->client);
client->restore->client = NULL;
}
if(client->restore->device) {
idevice_free(client->restore->device);
client->restore->device = NULL;
}
if(client->restore->bbtss) {
plist_free(client->restore->bbtss);
client->restore->bbtss = NULL;
}
free(client->restore);
client->restore = NULL;
}
}
static int restore_idevice_new(struct idevicerestore_client_t* client, idevice_t* device)
{
int num_devices = 0;
char **devices = NULL;
idevice_get_device_list(&devices, &num_devices);
if (num_devices == 0) {
return -1;
}
*device = NULL;
idevice_t dev = NULL;
idevice_error_t device_error;
restored_client_t restore = NULL;
int j;
for (j = 0; j < num_devices; j++) {
if (restore != NULL) {
restored_client_free(restore);
restore = NULL;
}
if (dev != NULL) {
idevice_free(dev);
dev = NULL;
}
device_error = idevice_new(&dev, devices[j]);
if (device_error != IDEVICE_E_SUCCESS) {
error("ERROR: %s: can't open device with UDID %s", __func__, devices[j]);
continue;
}
if (restored_client_new(dev, &restore, "idevicerestore") != RESTORE_E_SUCCESS) {
error("ERROR: %s: can't connect to restored on device with UDID %s\n", __func__, devices[j]);
continue;
}
char* type = NULL;
uint64_t version = 0;
if (restored_query_type(restore, &type, &version) != RESTORE_E_SUCCESS) {
continue;
}
if (strcmp(type, "com.apple.mobile.restored") != 0) {
free(type);
continue;
}
free(type);
if (client->ecid != 0) {
plist_t node = NULL;
plist_t hwinfo = NULL;
if (restored_query_value(restore, "HardwareInfo", &hwinfo) != RESTORE_E_SUCCESS) {
continue;
}
node = plist_dict_get_item(hwinfo, "UniqueChipID");
if (!node || plist_get_node_type(node) != PLIST_UINT) {
if (hwinfo) {
plist_free(hwinfo);
}
continue;
}
restored_client_free(restore);
restore = NULL;
uint64_t this_ecid = 0;
plist_get_uint_val(node, &this_ecid);
plist_free(hwinfo);
if (this_ecid != client->ecid) {
continue;
}
}
if (restore) {
restored_client_free(restore);
restore = NULL;
}
client->udid = strdup(devices[j]);
*device = dev;
break;
}
idevice_device_list_free(devices);
return 0;
}
int restore_check_mode(struct idevicerestore_client_t* client) {
idevice_t device = NULL;
restore_idevice_new(client, &device);
if (!device) {
return -1;
}
idevice_free(device);
return 0;
}
irecv_device_t restore_get_irecv_device(struct idevicerestore_client_t* client) {
char* model = NULL;
plist_t node = NULL;
idevice_t device = NULL;
restored_client_t restore = NULL;
restored_error_t restore_error = RESTORE_E_SUCCESS;
irecv_device_t irecv_device = NULL;
restore_idevice_new(client, &device);
if (!device) {
return NULL;
}
restore_error = restored_client_new(device, &restore, "idevicerestore");
if (restore_error != RESTORE_E_SUCCESS) {
idevice_free(device);
return NULL;
}
if (restored_query_type(restore, NULL, NULL) != RESTORE_E_SUCCESS) {
restored_client_free(restore);
idevice_free(device);
return NULL;
}
if (client->srnm == NULL) {
restore_error = restored_get_value(restore, "SerialNumber", &node);
if (restore_error != RESTORE_E_SUCCESS || !node || plist_get_node_type(node) != PLIST_STRING) {
error("ERROR: Unable to get SerialNumber from restored\n");
restored_client_free(restore);
idevice_free(device);
return NULL;
}
plist_get_string_val(node, &client->srnm);
info("INFO: device serial number is %s\n", client->srnm);
plist_free(node);
node = NULL;
}
restore_error = restored_get_value(restore, "HardwareModel", &node);
restored_client_free(restore);
idevice_free(device);
if (restore_error != RESTORE_E_SUCCESS || !node || plist_get_node_type(node) != PLIST_STRING) {
error("ERROR: Unable to get HardwareModel from restored\n");
plist_free(node);
return NULL;
}
plist_get_string_val(node, &model);
irecv_devices_get_device_by_hardware_model(model, &irecv_device);
free(model);
return irecv_device;
}
void restore_device_callback(const idevice_event_t* event, void* userdata) {
struct idevicerestore_client_t* client = (struct idevicerestore_client_t*) userdata;
if (event->event == IDEVICE_DEVICE_ADD) {
restore_device_connected = 1;
client->udid = strdup(event->udid);
} else if (event->event == IDEVICE_DEVICE_REMOVE) {
restore_device_connected = 0;
client->flags |= FLAG_QUIT;
}
}
int restore_reboot(struct idevicerestore_client_t* client) {
if(client->restore == NULL) {
if (restore_open_with_timeout(client) < 0) {
error("ERROR: Unable to open device in restore mode\n");
return -1;
}
}
info("Rebooting restore mode device...\n");
restored_reboot(client->restore->client);
restored_client_free(client->restore->client);
// FIXME: wait for device disconnect here
sleep(10);
return 0;
}
static int restore_is_current_device(struct idevicerestore_client_t* client, const char* udid)
{
if (!client) {
return 0;
}
if (!client->srnm) {
error("ERROR: %s: no SerialNumber given in client data\n", __func__);
return 0;
}
idevice_t device = NULL;
idevice_error_t device_error;
restored_client_t restored = NULL;
restored_error_t restore_error;
char *type = NULL;
uint64_t version = 0;
device_error = idevice_new(&device, udid);
if (device_error != IDEVICE_E_SUCCESS) {
error("ERROR: %s: can't open device with UDID %s", __func__, udid);
return 0;
}
restore_error = restored_client_new(device, &restored, "idevicerestore");
if (restore_error != RESTORE_E_SUCCESS) {
error("ERROR: %s: can't connect to restored\n", __func__);
idevice_free(device);
return 0;
}
restore_error = restored_query_type(restored, &type, &version);
if ((restore_error == RESTORE_E_SUCCESS) && type && (strcmp(type, "com.apple.mobile.restored") == 0)) {
debug("%s: Connected to %s, version %d\n", __func__, type, (int)version);
} else {
debug("%s: device %s is not in restore mode\n", __func__, udid);
restored_client_free(restored);
idevice_free(device);
return 0;
}
plist_t node = NULL;
restore_error = restored_get_value(restored, "SerialNumber", &node);
if ((restore_error != RESTORE_E_SUCCESS) || !node || (plist_get_node_type(node) != PLIST_STRING)) {
error("ERROR: %s: Unable to get SerialNumber from restored\n", __func__);
restored_client_free(restored);
idevice_free(device);
if (node) {
plist_free(node);
}
return 0;
}
restored_client_free(restored);
idevice_free(device);
char* this_srnm = NULL;
plist_get_string_val(node, &this_srnm);
plist_free(node);
if (!this_srnm) {
return 0;
}
return (strcasecmp(this_srnm, client->srnm) == 0);
}
static void restore_device_event_cb(const idevice_event_t *event, void *user_data)
{
if (event->event == IDEVICE_DEVICE_ADD) {
struct idevicerestore_client_t* client = (struct idevicerestore_client_t*)user_data;
if (!restore_device_connected && restore_is_current_device(client, event->udid)) {
restore_device_connected = 1;
client->udid = strdup(event->udid);
}
}
}
int restore_open_with_timeout(struct idevicerestore_client_t* client) {
int i = 0;
int attempts = 180;
char *type = NULL;
uint64_t version = 0;
idevice_t device = NULL;
restored_client_t restored = NULL;
idevice_error_t device_error = IDEVICE_E_SUCCESS;
restored_error_t restore_error = RESTORE_E_SUCCESS;
// no context exists so bail
if(client == NULL) {
return -1;
}
if(client->srnm == NULL) {
error("ERROR: no SerialNumber in client data!\n");
return -1;
}
// create our restore client if it doesn't yet exist
if(client->restore == NULL) {
client->restore = (struct restore_client_t*) malloc(sizeof(struct restore_client_t));
if(client->restore == NULL) {
error("ERROR: Out of memory\n");
return -1;
}
memset(client->restore, '\0', sizeof(struct restore_client_t));
}
restore_device_connected = 0;
info("Waiting for device...\n");
idevice_event_subscribe(restore_device_event_cb, client);
i = 0;
while (i++ < attempts) {
debug("Attempt %d to connect to restore mode device...\n", i);
if (restore_device_connected) {
info("Device %s is now connected in restore mode...\n", client->udid);
break;
}
sleep(1);
}
idevice_event_unsubscribe();
if (!restore_device_connected) {
error("ERROR: Unable to connect to device in restore mode\n");
return (i == attempts ? -2:-1);
}
info("Connecting now...\n");
device_error = idevice_new(&device, client->udid);
if (device_error != IDEVICE_E_SUCCESS) {
return -1;
}
restore_error = restored_client_new(device, &restored, "idevicerestore");
if (restore_error != RESTORE_E_SUCCESS) {
idevice_free(device);
return -1;
}
restore_error = restored_query_type(restored, &type, &version);
if ((restore_error == RESTORE_E_SUCCESS) && type && (strcmp(type, "com.apple.mobile.restored") == 0)) {
client->restore->protocol_version = version;
info("Connected to %s, version %d\n", type, (int)version);
} else {
error("ERROR: Unable to connect to restored, error=%d\n", restore_error);
restored_client_free(restored);
idevice_free(device);
return -1;
}
client->restore->device = device;
client->restore->client = restored;
return 0;
}
const char* restore_progress_string(unsigned int operation)
{
switch (operation) {
case CREATE_PARTITION_MAP:
return "Creating partition map";
case CREATE_FILESYSTEM:
return "Creating filesystem";
case RESTORE_IMAGE:
return "Restoring image";
case VERIFY_RESTORE:
return "Verifying restore";
case CHECK_FILESYSTEMS:
return "Checking filesystems";
case MOUNT_FILESYSTEMS:
return "Mounting filesystems";
case FIXUP_VAR:
return "Fixing up /var";
case FLASH_FIRMWARE:
return "Flashing firmware";
case UPDATE_BASEBAND:
return "Updating baseband";
case SET_BOOT_STAGE:
return "Setting boot stage";
case REBOOT_DEVICE:
return "Rebooting device";
case SHUTDOWN_DEVICE:
return "Shutdown device";
case TURN_ON_ACCESSORY_POWER:
return "Turning on accessory power";
case CLEAR_BOOTARGS:
return "Clearing persistent boot-args";
case MODIFY_BOOTARGS:
return "Modifying persistent boot-args";
case INSTALL_ROOT:
return "Installing root";
case INSTALL_KERNELCACHE:
return "Installing kernelcache";
case WAIT_FOR_NAND:
return "Waiting for NAND";
case UNMOUNT_FILESYSTEMS:
return "Unmounting filesystems";
case SET_DATETIME:
return "Setting date and time on device";
case EXEC_IBOOT:
return "Executing iBEC to bootstrap update";
case FINALIZE_NAND_EPOCH_UPDATE:
return "Finalizing NAND epoch update";
case CHECK_INAPPR_BOOT_PARTITIONS:
return "Checking for inappropriate bootable partitions";
case CREATE_FACTORY_RESTORE_MARKER:
return "Creating factory restore marker";
case LOAD_FIRMWARE:
return "Loading firmware data to flash";
case CHECK_BATTERY_VOLTAGE:
return "Checking battery voltage";
case WAIT_BATTERY_CHARGE:
return "Waiting for battery to charge";
case CLOSE_MODEM_TICKETS:
return "Closing modem tickets";
case MIGRATE_DATA:
return "Migrating data";
case WIPE_STORAGE_DEVICE:
return "Wiping storage device";
case SEND_APPLE_LOGO:
return "Sending Apple logo to device";
case CHECK_LOGS:
return "Checking for uncollected logs";
case CLEAR_NVRAM:
return "Clearing NVRAM";
case UPDATE_GAS_GAUGE:
return "Updating gas gauge software";
case PREPARE_BASEBAND_UPDATE:
return "Preparing for baseband update";
case BOOT_BASEBAND:
return "Booting the baseband";
case CREATE_SYSTEM_KEYBAG:
return "Creating system key bag";
case UPDATE_IR_MCU_FIRMWARE:
return "Updating IR MCU firmware";
case RESIZE_SYSTEM_PARTITION:
return "Resizing system partition";
case PAIR_STOCKHOLM:
return "Pairing Stockholm";
case UPDATE_STOCKHOLM:
return "Updating Stockholm";
case UPDATE_SWDHID:
return "Updating SWDHID";
case UPDATE_S3E_FIRMWARE:
return "Updating S3E Firmware";
case UPDATE_SE_FIRMWARE:
return "Updating SE Firmware";
case UPDATE_SAVAGE:
return "Updating Savage";
case CERTIFY_SAVAGE:
return "Certifying Savage";
default:
return "Unknown operation";
}
}
static int lastop = 0;
int restore_handle_previous_restore_log_msg(restored_client_t client, plist_t msg) {
plist_t node = NULL;
char* restorelog = NULL;
node = plist_dict_get_item(msg, "PreviousRestoreLog");
if (!node || plist_get_node_type(node) != PLIST_STRING) {
debug("Failed to parse restore log from PreviousRestoreLog plist\n");
return -1;
}
plist_get_string_val(node, &restorelog);
info("Previous Restore Log Received:\n%s\n", restorelog);
free(restorelog);
return 0;
}
int restore_handle_progress_msg(struct idevicerestore_client_t* client, plist_t msg) {
plist_t node = NULL;
uint64_t progress = 0;
uint64_t operation = 0;
node = plist_dict_get_item(msg, "Operation");
if (!node || plist_get_node_type(node) != PLIST_UINT) {
debug("Failed to parse operation from ProgressMsg plist\n");
return -1;
}
plist_get_uint_val(node, &operation);
node = plist_dict_get_item(msg, "Progress");
if (!node || plist_get_node_type(node) != PLIST_UINT) {
debug("Failed to parse progress from ProgressMsg plist \n");
return -1;
}
plist_get_uint_val(node, &progress);
/* for restore protocol version < 14 all operation codes > 35 are 1 less so we add one */
int adapted_operation = (int)operation;
if (client && client->restore && client->restore->protocol_version < 14) {
if (adapted_operation > 35) {
adapted_operation++;
}
}
if ((progress > 0) && (progress <= 100)) {
if ((int)operation != lastop) {
info("%s (%d)\n", restore_progress_string(adapted_operation), (int)operation);
}
switch (adapted_operation) {
case VERIFY_RESTORE:
idevicerestore_progress(client, RESTORE_STEP_VERIFY_FS, progress / 100.0);
break;
case FLASH_FIRMWARE:
idevicerestore_progress(client, RESTORE_STEP_FLASH_FW, progress / 100.0);
break;
case UPDATE_BASEBAND:
case UPDATE_IR_MCU_FIRMWARE:
idevicerestore_progress(client, RESTORE_STEP_FLASH_BB, progress / 100.0);
break;
default:
debug("Unhandled progress operation %d (%d)\n", adapted_operation, (int)operation);
break;
}
} else {
info("%s (%d)\n", restore_progress_string(adapted_operation), (int)operation);
}
lastop = (int)operation;
return 0;
}
int restore_handle_status_msg(restored_client_t client, plist_t msg) {
int result = 0;
uint64_t value = 0;
char* log = NULL;
info("Got status message\n");
// read status code
plist_t node = plist_dict_get_item(msg, "Status");
plist_get_uint_val(node, &value);
switch(value) {
case 0:
info("Status: Restore Finished\n");
restore_finished = 1;
break;
case 0xFFFFFFFFFFFFFFFFLL:
info("Status: Verification Error\n");
break;
case 6:
info("Status: Disk Failure\n");
break;
case 14:
info("Status: Fail\n");
break;
case 27:
info("Status: Failed to mount filesystems.\n");
break;
case 51:
info("Status: Failed to load SEP Firmware.\n");
break;
case 53:
info("Status: Failed to recover FDR data.\n");
break;
case 1015:
info("Status: X-Gold Baseband Update Failed. Defective Unit?\n");
break;
default:
info("Unhandled status message (" FMT_qu ")\n", (long long unsigned int)value);
debug_plist(msg);
break;
}
// read error code
node = plist_dict_get_item(msg, "AMRError");
if (node && plist_get_node_type(node) == PLIST_UINT) {
plist_get_uint_val(node, &value);
result = -value;
if (result > 0) {
result = -result;
}
}
// check if log is available
node = plist_dict_get_item(msg, "Log");
if (node && plist_get_node_type(node) == PLIST_STRING) {
plist_get_string_val(node, &log);
info("Log is available:\n%s\n", log);
free(log);
log = NULL;
}
return result;
}
int restore_handle_bb_update_status_msg(restored_client_t client, plist_t msg)
{
int result = -1;
plist_t node = plist_dict_get_item(msg, "Accepted");
uint8_t accepted = 0;
plist_get_bool_val(node, &accepted);
if (!accepted) {
error("ERROR: device didn't accept BasebandData\n");
return result;
}
uint8_t done = 0;
node = plist_access_path(msg, 2, "Output", "done");
if (node && plist_get_node_type(node) == PLIST_BOOLEAN) {
plist_get_bool_val(node, &done);
}
if (done) {
info("Updating Baseband completed.\n");
plist_t provisioning = plist_access_path(msg, 2, "Output", "provisioning");
if (provisioning && plist_get_node_type(provisioning) == PLIST_DICT) {
char* sval = NULL;
node = plist_dict_get_item(provisioning, "IMEI");
if (node && plist_get_node_type(node) == PLIST_STRING) {
plist_get_string_val(node, &sval);
info("Provisioning:\n");
info("IMEI:%s\n", sval);
free(sval);
sval = NULL;
}
}
} else {
info("Updating Baseband in progress...\n");
}
result = 0;
return result;
}
static void restore_asr_progress_cb(double progress, void* userdata)
{
struct idevicerestore_client_t* client = (struct idevicerestore_client_t*)userdata;
if (client) {
idevicerestore_progress(client, RESTORE_STEP_UPLOAD_FS, progress);
}
}
int restore_send_filesystem(struct idevicerestore_client_t* client, idevice_t device, const char* filesystem) {
asr_client_t asr = NULL;
info("About to send filesystem...\n");
if (asr_open_with_timeout(device, &asr) < 0) {
error("ERROR: Unable to connect to ASR\n");
return -1;
}
info("Connected to ASR\n");
asr_set_progress_callback(asr, restore_asr_progress_cb, (void*)client);
// this step sends requested chunks of data from various offsets to asr so
// it can validate the filesystem before installing it
info("Validating the filesystem\n");
if (asr_perform_validation(asr, filesystem) < 0) {
error("ERROR: ASR was unable to validate the filesystem\n");
asr_free(asr);
return -1;
}
info("Filesystem validated\n");
// once the target filesystem has been validated, ASR then requests the
// entire filesystem to be sent.
info("Sending filesystem now...\n");
if (asr_send_payload(asr, filesystem) < 0) {
error("ERROR: Unable to send payload to ASR\n");
asr_free(asr);
return -1;
}
info("Done sending filesystem\n");
asr_free(asr);
return 0;
}
int restore_send_root_ticket(restored_client_t restore, struct idevicerestore_client_t* client)
{
restored_error_t restore_error;
plist_t dict;
unsigned char* data = NULL;
unsigned int len = 0;
info("About to send RootTicket...\n");
if (!client->tss && !(client->flags & FLAG_CUSTOM)) {
error("ERROR: Cannot send RootTicket without TSS\n");
return -1;
}
if (client->image4supported) {
if (tss_response_get_ap_img4_ticket(client->tss, &data, &len) < 0) {
error("ERROR: Unable to get ApImg4Ticket from TSS\n");
return -1;
}
} else {
if (!(client->flags & FLAG_CUSTOM) && (tss_response_get_ap_ticket(client->tss, &data, &len) < 0)) {
error("ERROR: Unable to get ticket from TSS\n");
return -1;
}
}
dict = plist_new_dict();
if (data && (len > 0)) {
plist_dict_set_item(dict, "RootTicketData", plist_new_data((char*)data, len));
} else {
info("NOTE: not sending RootTicketData (no data present)\n");
}
info("Sending RootTicket now...\n");
restore_error = restored_send(restore, dict);
if (restore_error != RESTORE_E_SUCCESS) {
error("ERROR: Unable to send RootTicket (%d)\n", restore_error);
plist_free(dict);
return -1;
}
info("Done sending RootTicket\n");
plist_free(dict);
free(data);
return 0;
}
int restore_send_component(restored_client_t restore, struct idevicerestore_client_t* client, plist_t build_identity, const char *component)
{
unsigned int size = 0;
unsigned char* data = NULL;
char* path = NULL;
plist_t blob = NULL;
plist_t dict = NULL;
restored_error_t restore_error = RESTORE_E_SUCCESS;
info("About to send %s...\n", component);
if (client->tss) {
if (tss_response_get_path_by_entry(client->tss, component, &path) < 0) {
debug("NOTE: No path for component %s in TSS, will fetch from build identity\n", component);
}
}
if (!path) {
if (build_identity_get_component_path(build_identity, component, &path) < 0) {
error("ERROR: Unable to find %s path from build identity\n", component);
return -1;
}
}
unsigned char* component_data = NULL;
unsigned int component_size = 0;
int ret = extract_component(client->ipsw, path, &component_data, &component_size);
free(path);
path = NULL;
if (ret < 0) {
error("ERROR: Unable to extract component %s\n", component);
return -1;
}
ret = personalize_component(component, component_data, component_size, client->tss, &data, &size);
free(component_data);
component_data = NULL;
if (ret < 0) {
error("ERROR: Unable to get personalized component %s\n", component);
return -1;
}
dict = plist_new_dict();
blob = plist_new_data((char*)data, size);
char compkeyname[256];
sprintf(compkeyname, "%sFile", component);
plist_dict_set_item(dict, compkeyname, blob);
free(data);
info("Sending %s now...\n", component);
restore_error = restored_send(restore, dict);
plist_free(dict);
if (restore_error != RESTORE_E_SUCCESS) {
error("ERROR: Unable to send kernelcache data\n");
return -1;
}
info("Done sending %s\n", component);
return 0;
}
int restore_send_nor(restored_client_t restore, struct idevicerestore_client_t* client, plist_t build_identity) {
char* llb_path = NULL;
char* llb_filename = NULL;
char* sep_path = NULL;
char* restore_sep_path = NULL;
char firmware_path[256];
char manifest_file[256];
unsigned int manifest_size = 0;
unsigned char* manifest_data = NULL;
char firmware_filename[256];
unsigned int llb_size = 0;
unsigned char* llb_data = NULL;
plist_t dict = NULL;
unsigned int nor_size = 0;
unsigned char* nor_data = NULL;
plist_t norimage_array = NULL;
plist_t firmware_files = NULL;
uint32_t i;
info("About to send NORData...\n");
if (client->tss) {
if (tss_response_get_path_by_entry(client->tss, "LLB", &llb_path) < 0) {
debug("NOTE: Could not get LLB path from TSS data, will fetch from build identity\n");
}
}
if (llb_path == NULL) {
if (build_identity_get_component_path(build_identity, "LLB", &llb_path) < 0) {
error("ERROR: Unable to get component path for LLB\n");
return -1;
}
}
llb_filename = strstr(llb_path, "LLB");
if (llb_filename == NULL) {
error("ERROR: Unable to extract firmware path from LLB filename\n");
free(llb_path);
return -1;
}
memset(firmware_path, '\0', sizeof(firmware_path));
memcpy(firmware_path, llb_path, (llb_filename - 1) - llb_path);
info("Found firmware path %s\n", firmware_path);
memset(manifest_file, '\0', sizeof(manifest_file));
snprintf(manifest_file, sizeof(manifest_file), "%s/manifest", firmware_path);
firmware_files = plist_new_dict();
ipsw_extract_to_memory(client->ipsw, manifest_file, &manifest_data, &manifest_size);
if (manifest_data && manifest_size > 0) {
info("Getting firmware manifest from %s\n", manifest_file);
char *manifest_p = (char*)manifest_data;
char *filename = NULL;
while ((filename = strsep(&manifest_p, "\r\n")) != NULL) {
if (*filename == '\0') continue;
const char *compname = get_component_name(filename);
if (!compname) continue;
memset(firmware_filename, '\0', sizeof(firmware_filename));
snprintf(firmware_filename, sizeof(firmware_filename), "%s/%s", firmware_path, filename);
plist_dict_set_item(firmware_files, compname, plist_new_string(firmware_filename));
}
free(manifest_data);
} else {
info("Getting firmware manifest from build identity\n");
plist_dict_iter iter = NULL;
plist_t build_id_manifest = plist_dict_get_item(build_identity, "Manifest");
if (build_id_manifest) {
plist_dict_new_iter(build_id_manifest, &iter);
}
if (iter) {
char *component = NULL;
plist_t manifest_entry;
do {
component = NULL;
manifest_entry = NULL;
plist_dict_next_item(build_id_manifest, iter, &component, &manifest_entry);
if (component && manifest_entry && plist_get_node_type(manifest_entry) == PLIST_DICT) {
uint8_t is_fw = 0;
plist_t is_fw_node = plist_access_path(manifest_entry, 2, "Info", "IsFirmwarePayload");
if (is_fw_node && plist_get_node_type(is_fw_node) == PLIST_BOOLEAN) {
plist_get_bool_val(is_fw_node, &is_fw);
}
if (is_fw) {
plist_t comp_path = plist_access_path(manifest_entry, 2, "Info", "Path");
if (comp_path) {
plist_dict_set_item(firmware_files, component, plist_copy(comp_path));
}
}
}
free(component);
} while (manifest_entry);
free(iter);
}
}
if (plist_dict_get_size(firmware_files) == 0) {
error("ERROR: Unable to get list of firmware files.\n");
return -1;
}
const char* component = "LLB";
unsigned char* component_data = NULL;
unsigned int component_size = 0;
int ret = extract_component(client->ipsw, llb_path, &component_data, &component_size);
free(llb_path);
if (ret < 0) {
error("ERROR: Unable to extract component: %s\n", component);
return -1;
}
ret = personalize_component(component, component_data, component_size, client->tss, &llb_data, &llb_size);
free(component_data);
component_data = NULL;
component_size = 0;
if (ret < 0) {
error("ERROR: Unable to get personalized component: %s\n", component);
return -1;
}
dict = plist_new_dict();
plist_dict_set_item(dict, "LlbImageData", plist_new_data((char*)llb_data, (uint64_t) llb_size));
free(llb_data);
norimage_array = plist_new_array();
plist_dict_iter iter = NULL;
plist_dict_new_iter(firmware_files, &iter);
while (iter) {
char *comp = NULL;
plist_t pcomp = NULL;
plist_dict_next_item(firmware_files, iter, &comp, &pcomp);
if (!comp) {
break;
}
char *comppath = NULL;
plist_get_string_val(pcomp, &comppath);
if (!comppath) {
free(comp);
continue;
}
component = (const char*)comp;
if (!strcmp(component, "LLB") || !strcmp(component, "RestoreSEP")) {
// skip LLB, it's already passed in LlbImageData
// skip RestoreSEP, it's passed in RestoreSEPImageData
free(comp);
free(comppath);
continue;
}
component_data = NULL;
unsigned int component_size = 0;
if (extract_component(client->ipsw, comppath, &component_data, &component_size) < 0) {
free(iter);
free(comp);
free(comppath);
plist_free(firmware_files);
error("ERROR: Unable to extract component: %s\n", component);
return -1;
}
if (personalize_component(component, component_data, component_size, client->tss, &nor_data, &nor_size) < 0) {
free(iter);
free(comp);
free(comppath);
free(component_data);
plist_free(firmware_files);
error("ERROR: Unable to get personalized component: %s\n", component);
return -1;
}
free(component_data);
component_data = NULL;
component_size = 0;
/* make sure iBoot is the first entry in the array */
if (!strncmp("iBoot", component, 5)) {
plist_array_insert_item(norimage_array, plist_new_data((char*)nor_data, (uint64_t)nor_size), 0);
} else {
plist_array_append_item(norimage_array, plist_new_data((char*)nor_data, (uint64_t)nor_size));
}
free(comp);
free(comppath);
free(nor_data);
nor_data = NULL;
nor_size = 0;
}
free(iter);
plist_free(firmware_files);
plist_dict_set_item(dict, "NorImageData", norimage_array);
unsigned char* personalized_data = NULL;
unsigned int personalized_size = 0;
if (build_identity_has_component(build_identity, "RestoreSEP") &&
build_identity_get_component_path(build_identity, "RestoreSEP", &restore_sep_path) == 0) {
component = "RestoreSEP";
ret = extract_component(client->ipsw, restore_sep_path, &component_data, &component_size);
free(restore_sep_path);
if (ret < 0) {
error("ERROR: Unable to extract component: %s\n", component);
return -1;
}
ret = personalize_component(component, component_data, component_size, client->tss, &personalized_data, &personalized_size);
free(component_data);
component_data = NULL;
component_size = 0;
if (ret < 0) {
error("ERROR: Unable to get personalized component: %s\n", component);
return -1;
}
plist_dict_set_item(dict, "RestoreSEPImageData", plist_new_data((char*)personalized_data, (uint64_t) personalized_size));
free(personalized_data);
personalized_data = NULL;
personalized_size = 0;
}
if (build_identity_has_component(build_identity, "SEP") &&
build_identity_get_component_path(build_identity, "SEP", &sep_path) == 0) {
component = "SEP";
ret = extract_component(client->ipsw, sep_path, &component_data, &component_size);
free(sep_path);
if (ret < 0) {
error("ERROR: Unable to extract component: %s\n", component);
return -1;
}
ret = personalize_component(component, component_data, component_size, client->tss, &personalized_data, &personalized_size);
free(component_data);
component_data = NULL;
component_size = 0;
if (ret < 0) {
error("ERROR: Unable to get personalized component: %s\n", component);
return -1;
}
plist_dict_set_item(dict, "SEPImageData", plist_new_data((char*)personalized_data, (uint64_t) personalized_size));
free(personalized_data);
personalized_data = NULL;
personalized_size = 0;
}
if (idevicerestore_debug)
debug_plist(dict);
info("Sending NORData now...\n");
if (restored_send(restore, dict) != RESTORE_E_SUCCESS) {
error("ERROR: Unable to send NORImageData data\n");
plist_free(dict);
return -1;
}
info("Done sending NORData\n");
plist_free(dict);
return 0;
}
static const char* restore_get_bbfw_fn_for_element(const char* elem)
{
struct bbfw_fn_elem_t {
const char* element;
const char* fn;
};
struct bbfw_fn_elem_t bbfw_fn_elem[] = {
// ICE3 firmware files
{ "RamPSI", "psi_ram.fls" },
{ "FlashPSI", "psi_flash.fls" },
// Trek firmware files
{ "eDBL", "dbl.mbn" },
{ "RestoreDBL", "restoredbl.mbn" },
// Phoenix/Mav4 firmware files
{ "DBL", "dbl.mbn" },
{ "ENANDPRG", "ENPRG.mbn" },
// Mav5 firmware files
{ "RestoreSBL1", "restoresbl1.mbn" },
{ "SBL1", "sbl1.mbn" },
// ICE16 firmware files
{ "RestorePSI", "restorepsi.bin" },
{ "PSI", "psi_ram.bin" },
{ NULL, NULL }
};
int i;
for (i = 0; bbfw_fn_elem[i].element != NULL; i++) {
if (strcmp(bbfw_fn_elem[i].element, elem) == 0) {
return bbfw_fn_elem[i].fn;
}
}
return NULL;
}
static int restore_sign_bbfw(const char* bbfwtmp, plist_t bbtss, const unsigned char* bb_nonce)
{
int res = -1;
// check for BBTicket in result
plist_t bbticket = plist_dict_get_item(bbtss, "BBTicket");
if (!bbticket || plist_get_node_type(bbticket) != PLIST_DATA) {
error("ERROR: Could not find BBTicket in Baseband TSS response\n");
return -1;
}
plist_t bbfw_dict = plist_dict_get_item(bbtss, "BasebandFirmware");
if (!bbfw_dict || plist_get_node_type(bbfw_dict) != PLIST_DICT) {
error("ERROR: Could not find BasebandFirmware Dictionary node in Baseband TSS response\n");
return -1;
}
unsigned char* buffer = NULL;
unsigned char* blob = NULL;
unsigned char* fdata = NULL;
off_t fsize = 0;
uint64_t blob_size = 0;
int zerr = 0;
int zindex = -1;
struct zip_stat zstat;
struct zip_file* zfile = NULL;
struct zip* za = NULL;
struct zip_source* zs = NULL;
mbn_file* mbn = NULL;
fls_file* fls = NULL;
za = zip_open(bbfwtmp, 0, &zerr);
if (!za) {
error("ERROR: Could not open ZIP archive '%s': %d\n", bbfwtmp, zerr);
goto leave;
}
plist_dict_iter iter = NULL;
plist_dict_new_iter(bbfw_dict, &iter);
if (!iter) {
error("ERROR: Could not create dict iter for BasebandFirmware Dictionary\n");
return -1;
}
int is_fls = 0;
int signed_file_idxs[16];
int signed_file_count = 0;
char* key = NULL;
plist_t node = NULL;
while (1) {
plist_dict_next_item(bbfw_dict, iter, &key, &node);
if (key == NULL)
break;
if (node && (strcmp(key + (strlen(key) - 5), "-Blob") == 0) && (plist_get_node_type(node) == PLIST_DATA)) {
char *ptr = strchr(key, '-');
*ptr = '\0';
const char* signfn = restore_get_bbfw_fn_for_element(key);
if (!signfn) {
error("ERROR: can't match element name '%s' to baseband firmware file name.\n", key);
goto leave;
}
char* ext = strrchr(signfn, '.');
if (!strcmp(ext, ".fls")) {
is_fls = 1;
}
zindex = zip_name_locate(za, signfn, 0);
if (zindex < 0) {
error("ERROR: can't locate '%s' in '%s'\n", signfn, bbfwtmp);
goto leave;
}
zip_stat_init(&zstat);
if (zip_stat_index(za, zindex, 0, &zstat) != 0) {
error("ERROR: zip_stat_index failed for index %d\n", zindex);
goto leave;
}
zfile = zip_fopen_index(za, zindex, 0);
if (zfile == NULL) {
error("ERROR: zip_fopen_index failed for index %d\n", zindex);
goto leave;
}
buffer = (unsigned char*) malloc(zstat.size + 1);
if (buffer == NULL) {
error("ERROR: Out of memory\n");
goto leave;
}
if (zip_fread(zfile, buffer, zstat.size) != zstat.size) {
error("ERROR: zip_fread: failed\n");
goto leave;
}
buffer[zstat.size] = '\0';
zip_fclose(zfile);
zfile = NULL;
if (is_fls) {
fls = fls_parse(buffer, zstat.size);
if (!fls) {
error("ERROR: could not parse fls file\n");
goto leave;
}
} else {
mbn = mbn_parse(buffer, zstat.size);
if (!mbn) {
error("ERROR: could not parse mbn file\n");
goto leave;
}
}
free(buffer);
buffer = NULL;
blob = NULL;
blob_size = 0;
plist_get_data_val(node, (char**)&blob, &blob_size);
if (!blob) {
error("ERROR: could not get %s-Blob data\n", key);
goto leave;
}
if (is_fls) {
if (fls_update_sig_blob(fls, blob, (unsigned int)blob_size) != 0) {
error("ERROR: could not sign %s\n", signfn);
goto leave;
}
} else {
if (mbn_update_sig_blob(mbn, blob, (unsigned int)blob_size) != 0) {
error("ERROR: could not sign %s\n", signfn);
goto leave;
}
}
free(blob);
blob = NULL;
fsize = (is_fls ? fls->size : mbn->size);
fdata = (unsigned char*)malloc(fsize);
if (fdata == NULL) {
error("ERROR: out of memory\n");
goto leave;
}
if (is_fls) {
memcpy(fdata, fls->data, fsize);
fls_free(fls);
fls = NULL;
} else {
memcpy(fdata, mbn->data, fsize);
mbn_free(mbn);
mbn = NULL;
}
zs = zip_source_buffer(za, fdata, fsize, 1);
if (!zs) {
error("ERROR: out of memory\n");
free(fdata);
goto leave;
}
if (zip_replace(za, zindex, zs) == -1) {
error("ERROR: could not update signed '%s' in archive\n", signfn);
goto leave;
}
if (is_fls && !bb_nonce) {
if (strcmp(key, "RamPSI") == 0) {
signed_file_idxs[signed_file_count++] = zindex;
}
} else {
signed_file_idxs[signed_file_count++] = zindex;
}
}
free(key);
}
free(iter);
// remove everything but required files
int i, j, keep, numf = zip_get_num_files(za);
for (i = 0; i < numf; i++) {
keep = 0;
// check for signed file index
for (j = 0; j < signed_file_count; j++) {
if (i == signed_file_idxs[j]) {
keep = 1;
break;
}
}
// check for anything but .mbn and .fls if bb_nonce is set
if (bb_nonce && !keep) {
const char* fn = zip_get_name(za, i, 0);
if (fn) {
char* ext = strrchr(fn, '.');
if (ext && (!strcmp(ext, ".fls") || !strcmp(ext, ".mbn") || !strcmp(ext, ".elf") || !strcmp(ext, ".bin"))) {
keep = 1;
}
}
}
if (!keep) {
zip_delete(za, i);
}
}
if (bb_nonce) {
if (is_fls) {
// add BBTicket to file ebl.fls
zindex = zip_name_locate(za, "ebl.fls", 0);
if (zindex < 0) {
error("ERROR: can't locate 'ebl.fls' in '%s'\n", bbfwtmp);
goto leave;
}
zip_stat_init(&zstat);
if (zip_stat_index(za, zindex, 0, &zstat) != 0) {
error("ERROR: zip_stat_index failed for index %d\n", zindex);
goto leave;
}
zfile = zip_fopen_index(za, zindex, 0);
if (zfile == NULL) {
error("ERROR: zip_fopen_index failed for index %d\n", zindex);
goto leave;
}
buffer = (unsigned char*) malloc(zstat.size + 1);
if (buffer == NULL) {
error("ERROR: Out of memory\n");
goto leave;
}
if (zip_fread(zfile, buffer, zstat.size) != zstat.size) {
error("ERROR: zip_fread: failed\n");
goto leave;
}
buffer[zstat.size] = '\0';
zip_fclose(zfile);
zfile = NULL;
fls = fls_parse(buffer, zstat.size);
free(buffer);
buffer = NULL;
if (!fls) {
error("ERROR: could not parse fls file\n");
goto leave;
}
blob = NULL;
blob_size = 0;
plist_get_data_val(bbticket, (char**)&blob, &blob_size);
if (!blob) {
error("ERROR: could not get BBTicket data\n");
goto leave;
}
if (fls_insert_ticket(fls, blob, (unsigned int)blob_size) != 0) {
error("ERROR: could not insert BBTicket to ebl.fls\n");
goto leave;
}
free(blob);
blob = NULL;
fsize = fls->size;
fdata = (unsigned char*)malloc(fsize);
if (!fdata) {
error("ERROR: out of memory\n");
goto leave;
}
memcpy(fdata, fls->data, fsize);
fls_free(fls);
fls = NULL;
zs = zip_source_buffer(za, fdata, fsize, 1);
if (!zs) {
error("ERROR: out of memory\n");
free(fdata);
goto leave;
}
if (zip_replace(za, zindex, zs) == -1) {
error("ERROR: could not update archive with ticketed ebl.fls\n");
goto leave;
}
} else {
// add BBTicket as bbticket.der
blob = NULL;
blob_size = 0;
plist_get_data_val(bbticket, (char**)&blob, &blob_size);
if (!blob) {
error("ERROR: could not get BBTicket data\n");
goto leave;
}
zs = zip_source_buffer(za, blob, blob_size, 1);
if (!zs) {
error("ERROR: out of memory\n");
goto leave;
}
blob = NULL;
if (zip_add(za, "bbticket.der", zs) == -1) {
error("ERROR: could not add bbticket.der to archive\n");
goto leave;
}
}
}
// this will write out the modified zip
if (zip_close(za) == -1) {
error("ERROR: could not close and write modified archive: %s\n", zip_strerror(za));
res = -1;
} else {
res = 0;
}
za = NULL;
zs = NULL;
leave:
if (zfile) {
zip_fclose(zfile);
}
if (zs) {
zip_source_free(zs);
}
if (za) {
zip_unchange_all(za);
zip_close(za);
}
mbn_free(mbn);
fls_free(fls);
free(buffer);
free(blob);
return res;
}
int restore_send_baseband_data(restored_client_t restore, struct idevicerestore_client_t* client, plist_t build_identity, plist_t message)
{
int res = -1;
uint64_t bb_cert_id = 0;
unsigned char* bb_snum = NULL;
uint64_t bb_snum_size = 0;
unsigned char* bb_nonce = NULL;
uint64_t bb_nonce_size = 0;
uint64_t bb_chip_id = 0;
plist_t response = NULL;
char* buffer = NULL;
char* bbfwtmp = NULL;
plist_t dict = NULL;
info("About to send BasebandData...\n");
// NOTE: this function is called 2 or 3 times!
// setup request data
plist_t arguments = plist_dict_get_item(message, "Arguments");
if (arguments && plist_get_node_type(arguments) == PLIST_DICT) {
plist_t bb_chip_id_node = plist_dict_get_item(arguments, "ChipID");
if (bb_chip_id_node && plist_get_node_type(bb_chip_id_node) == PLIST_UINT) {
plist_get_uint_val(bb_chip_id_node, &bb_chip_id);
}
plist_t bb_cert_id_node = plist_dict_get_item(arguments, "CertID");
if (bb_cert_id_node && plist_get_node_type(bb_cert_id_node) == PLIST_UINT) {
plist_get_uint_val(bb_cert_id_node, &bb_cert_id);
}
plist_t bb_snum_node = plist_dict_get_item(arguments, "ChipSerialNo");
if (bb_snum_node && plist_get_node_type(bb_snum_node) == PLIST_DATA) {
plist_get_data_val(bb_snum_node, (char**)&bb_snum, &bb_snum_size);
}
plist_t bb_nonce_node = plist_dict_get_item(arguments, "Nonce");
if (bb_nonce_node && plist_get_node_type(bb_nonce_node) == PLIST_DATA) {
plist_get_data_val(bb_nonce_node, (char**)&bb_nonce, &bb_nonce_size);
}
}
if ((bb_nonce == NULL) || (client->restore->bbtss == NULL)) {
/* populate parameters */
plist_t parameters = plist_new_dict();
plist_dict_set_item(parameters, "ApECID", plist_new_uint(client->ecid));
if (bb_nonce) {
plist_dict_set_item(parameters, "BbNonce", plist_new_data((const char*)bb_nonce, bb_nonce_size));
}
plist_dict_set_item(parameters, "BbChipID", plist_new_uint(bb_chip_id));
plist_dict_set_item(parameters, "BbGoldCertId", plist_new_uint(bb_cert_id));
plist_dict_set_item(parameters, "BbSNUM", plist_new_data((const char*)bb_snum, bb_snum_size));
tss_parameters_add_from_manifest(parameters, build_identity);
/* create baseband request */
plist_t request = tss_request_new(NULL);
if (request == NULL) {
error("ERROR: Unable to create Baseband TSS request\n");
plist_free(parameters);
return -1;
}
/* add baseband parameters */
tss_request_add_common_tags(request, parameters, NULL);
tss_request_add_baseband_tags(request, parameters, NULL);
plist_t node = plist_access_path(build_identity, 2, "Info", "FDRSupport");
if (node && plist_get_node_type(node) == PLIST_BOOLEAN) {
uint8_t b = 0;
plist_get_bool_val(node, &b);
if (b) {
plist_dict_set_item(request, "ApProductionMode", plist_new_bool(1));
plist_dict_set_item(request, "ApSecurityMode", plist_new_bool(1));
}
}
if (idevicerestore_debug)
debug_plist(request);
info("Sending Baseband TSS request...\n");
response = tss_request_send(request, client->tss_url);
plist_free(request);
plist_free(parameters);
if (response == NULL) {
error("ERROR: Unable to fetch Baseband TSS\n");
return -1;
}
info("Received Baseband SHSH blobs\n");
if (idevicerestore_debug)
debug_plist(response);
}
// get baseband firmware file path from build identity
plist_t bbfw_path = plist_access_path(build_identity, 4, "Manifest", "BasebandFirmware", "Info", "Path");
if (!bbfw_path || plist_get_node_type(bbfw_path) != PLIST_STRING) {
error("ERROR: Unable to get BasebandFirmware/Info/Path node\n");
plist_free(response);
return -1;
}
char* bbfwpath = NULL;
plist_get_string_val(bbfw_path, &bbfwpath);
if (!bbfwpath) {
error("ERROR: Unable to get baseband path\n");
plist_free(response);
return -1;
}
// extract baseband firmware to temp file
bbfwtmp = get_temp_filename("bbfw_");
if (!bbfwtmp) {
size_t l = strlen(client->udid);
bbfwtmp = malloc(l + 10);
strcpy(bbfwtmp, "bbfw_");
strncpy(bbfwtmp + 5, client->udid, l);
strcpy(bbfwtmp + 5 + l, ".tmp");
error("WARNING: Could not generate temporary filename, using %s in current directory\n", bbfwtmp);
}
if (ipsw_extract_to_file(client->ipsw, bbfwpath, bbfwtmp) != 0) {
error("ERROR: Unable to extract baseband firmware from ipsw\n");
goto leave;
}
if (bb_nonce && !client->restore->bbtss) {
// keep the response for later requests
client->restore->bbtss = response;
response = NULL;
}
res = restore_sign_bbfw(bbfwtmp, (client->restore->bbtss) ? client->restore->bbtss : response, bb_nonce);
if (res != 0) {
goto leave;
}
res = -1;
size_t sz = 0;
if (read_file(bbfwtmp, (void**)&buffer, &sz) < 0) {
error("ERROR: could not read updated bbfw archive\n");
goto leave;
}
// send file
dict = plist_new_dict();
plist_dict_set_item(dict, "BasebandData", plist_new_data(buffer, (uint64_t)sz));
free(buffer);
buffer = NULL;
info("Sending BasebandData now...\n");
if (restored_send(restore, dict) != RESTORE_E_SUCCESS) {
error("ERROR: Unable to send BasebandData data\n");
goto leave;
}
info("Done sending BasebandData\n");
res = 0;
leave:
plist_free(dict);
free(buffer);
if (bbfwtmp) {
remove(bbfwtmp);
free(bbfwtmp);
}
plist_free(response);
return res;
}
int restore_send_fdr_trust_data(restored_client_t restore, idevice_t device)
{
restored_error_t restore_error;
plist_t dict;
info("About to send FDR Trust data...\n");
// FIXME: What should we send here?
/* Sending an empty dict makes it continue with FDR
* and this is what iTunes seems to be doing too */
dict = plist_new_dict();
info("Sending FDR Trust data now...\n");
restore_error = restored_send(restore, dict);
plist_free(dict);
if (restore_error != RESTORE_E_SUCCESS) {
error("ERROR: During sending FDR Trust data (%d)\n", restore_error);
return -1;
}
info("Done sending FDR Trust Data\n");
return 0;
}
int restore_send_fud_data(restored_client_t restore, struct idevicerestore_client_t *client, plist_t build_identity)
{
restored_error_t restore_error;
plist_t dict;
plist_t fud_dict;
plist_t build_id_manifest;
plist_dict_iter iter = NULL;
info("About to send FUD data...\n");
fud_dict = plist_new_dict();
build_id_manifest = plist_dict_get_item(build_identity, "Manifest");
if (build_id_manifest) {
plist_dict_new_iter(build_id_manifest, &iter);
}
if (iter) {
char *component;
plist_t manifest_entry;
do {
component = NULL;
manifest_entry = NULL;
plist_dict_next_item(build_id_manifest, iter, &component, &manifest_entry);
if (component && manifest_entry && plist_get_node_type(manifest_entry) == PLIST_DICT) {
uint8_t is_fud = 0;
plist_t is_fud_node = plist_access_path(manifest_entry, 2, "Info", "IsFUDFirmware");
if (is_fud_node && plist_get_node_type(is_fud_node) == PLIST_BOOLEAN) {
plist_get_bool_val(is_fud_node, &is_fud);
}
if (is_fud) {
char *path = NULL;
unsigned char* data = NULL;
unsigned int size = 0;
unsigned char* component_data = NULL;
unsigned int component_size = 0;
int ret = -1;
info("Found FUD component '%s'\n", component);
build_identity_get_component_path(build_identity, component, &path);
if (path) {
ret = extract_component(client->ipsw, path, &component_data, &component_size);
}
free(path);
path = NULL;
if (ret < 0) {
error("ERROR: Unable to extract component: %s\n", component);
}
ret = personalize_component(component, component_data, component_size, client->tss, &data, &size);
free(component_data);
component_data = NULL;
if (ret < 0) {
error("ERROR: Unable to get personalized component: %s\n", component);
return -1;
}
plist_dict_set_item(fud_dict, component, plist_new_data((const char*)data, size));
free(data);
}
free(component);
}
} while (manifest_entry);
free(iter);
}
dict = plist_new_dict();
plist_dict_set_item(dict, "FUDImageData", fud_dict);
info("Sending FUD data now...\n");
restore_error = restored_send(restore, dict);
plist_free(dict);
if (restore_error != RESTORE_E_SUCCESS) {
error("ERROR: During sending FUD data (%d)\n", restore_error);
return -1;
}
info("Done sending FUD data\n");
return 0;
}
plist_t restore_get_se_firmware_data(restored_client_t restore, struct idevicerestore_client_t* client, plist_t build_identity, plist_t p_info)
{
const char *comp_name = NULL;
char *comp_path = NULL;
unsigned char* component_data = NULL;
unsigned int component_size = 0;
plist_t parameters = NULL;
plist_t request = NULL;
plist_t response = NULL;
int ret;
uint64_t chip_id = 0;
plist_t node = plist_dict_get_item(p_info, "SE,ChipID");
if (node && plist_get_node_type(node) == PLIST_UINT) {
plist_get_uint_val(node, &chip_id);
}
if (chip_id == 0x20211) {
comp_name = "SE,Firmware";
} else if (chip_id == 0x73 || chip_id == 0x64) {
comp_name = "SE,UpdatePayload";
} else {
info("WARNING: Unknown SE,ChipID 0x%x detected. Restore might fail.\n", chip_id);
if (build_identity_has_component(build_identity, "SE,UpdatePayload"))
comp_name = "SE,UpdatePayload";
else if (build_identity_has_component(build_identity, "SE,Firmware"))
comp_name = "SE,Firmware";
else {
error("ERROR: Neither 'SE,Firmware' nor 'SE,UpdatePayload' found in build identity.\n");
return NULL;
}
debug("DEBUG: %s: using %s\n", __func__, comp_name);
}
if (build_identity_get_component_path(build_identity, comp_name, &comp_path) < 0) {
error("ERROR: Unable get path for '%s' component\n", comp_name);
return NULL;
}
ret = extract_component(client->ipsw, comp_path, &component_data, &component_size);
free(comp_path);
comp_path = NULL;
if (ret < 0) {
error("ERROR: Unable to extract '%s' component\n", comp_name);
return NULL;
}
/* create SE request */
request = tss_request_new(NULL);
if (request == NULL) {
error("ERROR: Unable to create SE TSS request\n");
free(component_data);
return NULL;
}
parameters = plist_new_dict();
/* add manifest for current build_identity to parameters */
tss_parameters_add_from_manifest(parameters, build_identity);
/* add SE,* tags from info dictionary to parameters */
plist_dict_merge(¶meters, p_info);
/* add required tags for SE TSS request */
tss_request_add_se_tags(request, parameters, NULL);
plist_free(parameters);
info("Sending SE TSS request...\n");
response = tss_request_send(request, client->tss_url);
plist_free(request);
if (response == NULL) {
error("ERROR: Unable to fetch SE ticket\n");
free(component_data);
return NULL;
}
if (plist_dict_get_item(response, "SE,Ticket")) {
info("Received SE ticket\n");
} else {
error("ERROR: No 'SE,Ticket' in TSS response, this might not work\n");
}
plist_dict_set_item(response, "FirmwareData", plist_new_data((char*)component_data, (uint64_t) component_size));
free(component_data);
component_data = NULL;
component_size = 0;
return response;
}
plist_t restore_get_savage_firmware_data(restored_client_t restore, struct idevicerestore_client_t* client, plist_t build_identity, plist_t p_info)
{
char *comp_name = NULL;
char *comp_path = NULL;
unsigned char* component_data = NULL;
unsigned int component_size = 0;
unsigned char* component_data_tmp = NULL;
plist_t parameters = NULL;
plist_t request = NULL;
plist_t response = NULL;
plist_t node = NULL;
int ret;
/* create Savage request */
request = tss_request_new(NULL);
if (request == NULL) {
error("ERROR: Unable to create Savage TSS request\n");
return NULL;
}
parameters = plist_new_dict();
/* add manifest for current build_identity to parameters */
tss_parameters_add_from_manifest(parameters, build_identity);
/* add Savage,* tags from info dictionary to parameters */
plist_dict_merge(¶meters, p_info);
/* add required tags for Savage TSS request */
tss_request_add_savage_tags(request, parameters, NULL, &comp_name);
plist_free(parameters);
if (!comp_name) {
error("ERROR: Could not determine Savage firmware component\n");
plist_free(request);
return NULL;
}
debug("DEBUG: %s: using %s\n", __func__, comp_name);
info("Sending Savage TSS request...\n");
response = tss_request_send(request, client->tss_url);
plist_free(request);
if (response == NULL) {
error("ERROR: Unable to fetch Savage ticket\n");
free(comp_name);
return NULL;
}
if (plist_dict_get_item(response, "Savage,Ticket")) {
info("Received Savage ticket\n");
} else {
error("ERROR: No 'Savage,Ticket' in TSS response, this might not work\n");
}
/* now get actual component data */
if (build_identity_get_component_path(build_identity, comp_name, &comp_path) < 0) {
error("ERROR: Unable get path for '%s' component\n", comp_name);
free(comp_name);
return NULL;
}
ret = extract_component(client->ipsw, comp_path, &component_data, &component_size);
free(comp_path);
comp_path = NULL;
if (ret < 0) {
error("ERROR: Unable to extract '%s' component\n", comp_name);
free(comp_name);
return NULL;
}
free(comp_name);
comp_name = NULL;
component_data_tmp = realloc(component_data, (size_t)component_size+16);
if (!component_data_tmp) {
free(component_data);
return NULL;
}
component_data = component_data_tmp;
memmove(component_data + 16, component_data, (size_t)component_size);
memset(component_data, '\0', 16);
*(uint32_t*)(component_data + 4) = htole32((uint32_t)component_size);
component_size += 16;
plist_dict_set_item(response, "FirmwareData", plist_new_data((char*)component_data, (uint64_t) component_size));
free(component_data);
component_data = NULL;
component_size = 0;
return response;
}
plist_t restore_get_yonkers_firmware_data(restored_client_t restore, struct idevicerestore_client_t* client, plist_t build_identity, plist_t p_info)
{
char *comp_name = NULL;
char *comp_path = NULL;
plist_t comp_node = NULL;
unsigned char* component_data = NULL;
unsigned int component_size = 0;
plist_t parameters = NULL;
plist_t request = NULL;
plist_t response = NULL;
plist_t node = NULL;
int ret;
/* create Yonkers request */
request = tss_request_new(NULL);
if (request == NULL) {
error("ERROR: Unable to create Yonkers TSS request\n");
free(component_data);
free(comp_name);
return NULL;
}
parameters = plist_new_dict();
/* add manifest for current build_identity to parameters */
tss_parameters_add_from_manifest(parameters, build_identity);
/* add Yonkers,* tags from info dictionary to parameters */
plist_dict_merge(¶meters, p_info);
/* add required tags for Yonkers TSS request */
tss_request_add_yonkers_tags(request, parameters, NULL, &comp_name);
plist_free(parameters);
if (!comp_name) {
error("ERROR: Could not determine Yonkers firmware component\n");
plist_free(request);
return NULL;
}
debug("DEBUG: %s: using %s\n", __func__, comp_name);
info("Sending Yonkers TSS request...\n");
response = tss_request_send(request, client->tss_url);
plist_free(request);
if (response == NULL) {
error("ERROR: Unable to fetch Yonkers ticket\n");
free(component_data);
return NULL;
}
if (plist_dict_get_item(response, "Yonkers,Ticket")) {
info("Received Yonkers ticket\n");
} else {
error("ERROR: No 'Yonkers,Ticket' in TSS response, this might not work\n");
}
if (build_identity_get_component_path(build_identity, comp_name, &comp_path) < 0) {
error("ERROR: Unable get path for '%s' component\n", comp_name);
free(comp_name);
return NULL;
}
/* now get actual component data */
ret = extract_component(client->ipsw, comp_path, &component_data, &component_size);
free(comp_path);
comp_path = NULL;
if (ret < 0) {
error("ERROR: Unable to extract '%s' component\n", comp_name);
free(comp_name);
return NULL;
}
free(comp_name);
comp_name = NULL;
plist_t firmware_data = plist_new_dict();
plist_dict_set_item(firmware_data, "YonkersFirmware", plist_new_data((char *)component_data, (uint64_t)component_size));
plist_dict_set_item(response, "FirmwareData", firmware_data);
free(component_data);
component_data = NULL;
component_size = 0;
return response;
}
int restore_send_firmware_updater_data(restored_client_t restore, struct idevicerestore_client_t* client, plist_t build_identity, plist_t message)
{
plist_t arguments;
plist_t p_type, p_updater_name, p_loop_count, p_info;
plist_t loop_count_dict = NULL;
char *s_type = NULL;
plist_t dict = NULL;
plist_t fwdict = NULL;
char *s_updater_name = NULL;
int restore_error;
if (idevicerestore_debug) {
debug("DEBUG: Got FirmwareUpdaterData request:\n", __func__);
debug_plist(message);
}
arguments = plist_dict_get_item(message, "Arguments");
if (!arguments || plist_get_node_type(arguments) != PLIST_DICT) {
error("ERROR: %s: Arguments missing or has invalid type!\n", __func__);
goto error_out;
}
p_type = plist_dict_get_item(arguments, "MessageArgType");
if (!p_type || (plist_get_node_type(p_type) != PLIST_STRING)) {
error("ERROR: %s: MessageArgType missing or has invalid type!\n", __func__);
goto error_out;
}
p_updater_name = plist_dict_get_item(arguments, "MessageArgUpdaterName");
if (!p_updater_name || (plist_get_node_type(p_updater_name) != PLIST_STRING)) {
error("ERROR: %s: MessageArgUpdaterName missing or has invalid type!\n", __func__);
goto error_out;
}
p_loop_count = plist_dict_get_item(arguments, "MessageArgUpdaterLoopCount");
if (p_loop_count) {
loop_count_dict = plist_new_dict();
plist_dict_set_item(loop_count_dict, "LoopCount", plist_copy(p_loop_count));
}
plist_get_string_val(p_type, &s_type);
if (!s_type || strcmp(s_type, "FirmwareResponseData")) {
error("ERROR: %s: MessageArgType has unexpected value '%s'\n", __func__, s_type);
goto error_out;
}
free(s_type);
s_type = NULL;
p_info = plist_dict_get_item(arguments, "MessageArgInfo");
if (!p_info || (plist_get_node_type(p_info) != PLIST_DICT)) {
error("ERROR: %s: MessageArgInfo missing or has invalid type!\n", __func__);
goto error_out;
}
plist_get_string_val(p_updater_name, &s_updater_name);
if (strcmp(s_updater_name, "SE") == 0) {
fwdict = restore_get_se_firmware_data(restore, client, build_identity, p_info);
if (fwdict == NULL) {
error("ERROR: %s: Couldn't get SE firmware data\n", __func__);
goto error_out;
}
} else if (strcmp(s_updater_name, "Savage") == 0) {
const char *fwtype = "Savage";
plist_t p_info2 = plist_dict_get_item(p_info, "YonkersDeviceInfo");
if (p_info2 && plist_get_node_type(p_info2) == PLIST_DICT) {
fwtype = "Yonkers";
fwdict = restore_get_yonkers_firmware_data(restore, client, build_identity, p_info2);
} else {
fwdict = restore_get_savage_firmware_data(restore, client, build_identity, p_info);
}
if (fwdict == NULL) {
error("ERROR: %s: Couldn't get %s firmware data\n", __func__, fwtype);
goto error_out;
}
} else {
error("ERROR: %s: Got unknown updater name '%s'.", __func__, s_updater_name);
goto error_out;
}
free(s_updater_name);
s_updater_name = NULL;
dict = plist_new_dict();
plist_dict_set_item(dict, "FirmwareResponseData", fwdict);
info("Sending FirmwareResponse data now...\n");
restore_error = restored_send(restore, dict);
plist_free(dict);
if (restore_error != RESTORE_E_SUCCESS) {
error("ERROR: Couldn't send FirmwareResponse data (%d)\n", restore_error);
goto error_out;
}
info("Done sending FirmwareUpdater data\n");
return 0;
error_out:
free(s_type);
free(s_updater_name);
plist_free(loop_count_dict);
return -1;
}
int restore_handle_data_request_msg(struct idevicerestore_client_t* client, idevice_t device, restored_client_t restore, plist_t message, plist_t build_identity, const char* filesystem)
{
char* type = NULL;
plist_t node = NULL;
// checks and see what kind of data restored is requests and pass
// the request to its own handler
node = plist_dict_get_item(message, "DataType");
if (node && PLIST_STRING == plist_get_node_type(node)) {
plist_get_string_val(node, &type);
// this request is sent when restored is ready to receive the filesystem
if (!strcmp(type, "SystemImageData")) {
if(restore_send_filesystem(client, device, filesystem) < 0) {
error("ERROR: Unable to send filesystem\n");
return -2;
}
}
// send RootTicket (== APTicket from the TSS request)
else if (!strcmp(type, "RootTicket")) {
if (restore_send_root_ticket(restore, client) < 0) {
error("ERROR: Unable to send RootTicket\n");
return -1;
}
}
// send KernelCache
else if (!strcmp(type, "KernelCache")) {
if (restore_send_component(restore, client, build_identity, "KernelCache") < 0) {
error("ERROR: Unable to send kernelcache\n");
return -1;
}
}
else if (!strcmp(type, "DeviceTree")) {
if (restore_send_component(restore, client, build_identity, "DeviceTree") < 0) {
error("ERROR: Unable to send DeviceTree\n");
return -1;
}
}
else if (!strcmp(type, "NORData")) {
if((client->flags & FLAG_EXCLUDE) == 0) {
if(restore_send_nor(restore, client, build_identity) < 0) {
error("ERROR: Unable to send NOR data\n");
return -1;
}
} else {
info("Not sending NORData... Quitting...\n");
client->flags |= FLAG_QUIT;
}
}
else if (!strcmp(type, "BasebandData")) {
if(restore_send_baseband_data(restore, client, build_identity, message) < 0) {
error("ERROR: Unable to send baseband data\n");
return -1;
}
}
else if (!strcmp(type, "FDRTrustData")) {
if(restore_send_fdr_trust_data(restore, device) < 0) {
error("ERROR: Unable to send FDR Trust data\n");
return -1;
}
}
else if (!strcmp(type, "FUDData")) {
if(restore_send_fud_data(restore, client, build_identity) < 0) {
error("ERROR: Unable to send FUD data\n");
return -1;
}
}
else if (!strcmp(type, "FirmwareUpdaterData")) {
if(restore_send_firmware_updater_data(restore, client, build_identity, message) < 0) {
error("ERROR: Unable to send FirmwareUpdater data\n");
return -1;
}
}
else {
// Unknown DataType!!
error("Unknown data request '%s' received\n", type);
if (idevicerestore_debug)
debug_plist(message);
}
}
return 0;
}
int restore_device(struct idevicerestore_client_t* client, plist_t build_identity, const char* filesystem) {
int err = 0;
char* type = NULL;
plist_t node = NULL;
plist_t message = NULL;
plist_t hwinfo = NULL;
idevice_t device = NULL;
restored_client_t restore = NULL;
restored_error_t restore_error = RESTORE_E_SUCCESS;
thread_t fdr_thread = (thread_t)NULL;
restore_finished = 0;
// open our connection to the device and verify we're in restore mode
err = restore_open_with_timeout(client);
if (err < 0) {
error("ERROR: Unable to open device in restore mode\n");
return (err == -2) ? -1: -2;
}
info("Device %s has successfully entered restore mode\n", client->udid);
restore = client->restore->client;
device = client->restore->device;
restore_error = restored_query_value(restore, "HardwareInfo", &hwinfo);
if (restore_error == RESTORE_E_SUCCESS) {
uint64_t i = 0;
uint8_t b = 0;
info("Hardware Information:\n");
node = plist_dict_get_item(hwinfo, "BoardID");
if (node && plist_get_node_type(node) == PLIST_UINT) {
plist_get_uint_val(node, &i);
info("BoardID: %d\n", (int)i);
}
node = plist_dict_get_item(hwinfo, "ChipID");
if (node && plist_get_node_type(node) == PLIST_UINT) {
plist_get_uint_val(node, &i);
info("ChipID: %d\n", (int)i);
}
node = plist_dict_get_item(hwinfo, "UniqueChipID");
if (node && plist_get_node_type(node) == PLIST_UINT) {
plist_get_uint_val(node, &i);
info("UniqueChipID: " FMT_qu "\n", (long long unsigned int)i);
}
node = plist_dict_get_item(hwinfo, "ProductionMode");
if (node && plist_get_node_type(node) == PLIST_BOOLEAN) {
plist_get_bool_val(node, &b);
info("ProductionMode: %s\n", (b==1) ? "true":"false");
}
plist_free(hwinfo);
}
restore_error = restored_query_value(restore, "SavedDebugInfo", &hwinfo);
if (restore_error == RESTORE_E_SUCCESS) {
char* sval = NULL;
node = plist_dict_get_item(hwinfo, "PreviousExitStatus");
if (node && plist_get_node_type(node) == PLIST_STRING) {
plist_get_string_val(node, &sval);
info("Previous restore exit status: %s\n", sval);
free(sval);
sval = NULL;
}
node = plist_dict_get_item(hwinfo, "USBLog");
if (node && plist_get_node_type(node) == PLIST_STRING) {
plist_get_string_val(node, &sval);
info("USB log is available:\n%s\n", sval);
free(sval);
sval = NULL;
}
node = plist_dict_get_item(hwinfo, "PanicLog");
if (node && plist_get_node_type(node) == PLIST_STRING) {
plist_get_string_val(node, &sval);
info("Panic log is available:\n%s\n", sval);
free(sval);
sval = NULL;
}
plist_free(hwinfo);
}
if (plist_dict_get_item(client->tss, "BBTicket")) {
client->restore->bbtss = plist_copy(client->tss);
}
fdr_client_t fdr_control_channel = NULL;
info("Starting FDR listener thread\n");
if (!fdr_connect(device, FDR_CTRL, &fdr_control_channel)) {
if(thread_new(&fdr_thread, fdr_listener_thread, fdr_control_channel)) {
error("ERROR: Failed to start FDR listener thread\n");
fdr_thread = (thread_t)NULL; /* undefined after failure */
}
} else {
error("ERROR: Failed to start FDR Ctrl channel\n");
// FIXME: We might want to return failure here as it will likely fail
}
plist_t opts = plist_new_dict();
// FIXME: required?
//plist_dict_set_item(opts, "AuthInstallRestoreBehavior", plist_new_string("Erase"));
plist_dict_set_item(opts, "AutoBootDelay", plist_new_uint(0));
if (client->preflight_info) {
plist_t node;
plist_t bbus = plist_copy(client->preflight_info);
plist_dict_remove_item(bbus, "FusingStatus");
plist_dict_remove_item(bbus, "PkHash");
plist_dict_set_item(opts, "BBUpdaterState", bbus);
node = plist_dict_get_item(client->preflight_info, "Nonce");
if (node) {
plist_dict_set_item(opts, "BasebandNonce", plist_copy(node));
}
}
// FIXME: new on iOS 5 ?
plist_dict_set_item(opts, "BootImageType", plist_new_string("UserOrInternal"));
// FIXME: required?
//plist_dict_set_item(opts, "BootImageFile", plist_new_string("018-7923-347.dmg"));
plist_dict_set_item(opts, "CreateFilesystemPartitions", plist_new_bool(1));
plist_dict_set_item(opts, "DFUFileType", plist_new_string("RELEASE"));
plist_dict_set_item(opts, "DataImage", plist_new_bool(0));
// FIXME: not required for iOS 5?
//plist_dict_set_item(opts, "DeviceTreeFile", plist_new_string("DeviceTree.k48ap.img3"));
plist_dict_set_item(opts, "FirmwareDirectory", plist_new_string("."));
// FIXME: usable if false? (-x parameter)
plist_dict_set_item(opts, "FlashNOR", plist_new_bool(1));
// FIXME: not required for iOS 5?
//plist_dict_set_item(opts, "KernelCacheFile", plist_new_string("kernelcache.release.k48"));
// FIXME: new on iOS 5 ?
plist_dict_set_item(opts, "KernelCacheType", plist_new_string("Release"));
// FIXME: not required for iOS 5?
//plist_dict_set_item(opts, "NORImagePath", plist_new_string("."));
// FIXME: new on iOS 5 ?
plist_dict_set_item(opts, "NORImageType", plist_new_string("production"));
// FIXME: not required for iOS 5?
//plist_dict_set_item(opts, "PersonalizedRestoreBundlePath", plist_new_string("/tmp/Per2.tmp"));
if (client->restore_boot_args) {
plist_dict_set_item(opts, "RestoreBootArgs", plist_new_string(client->restore_boot_args));
}
plist_dict_set_item(opts, "RestoreBundlePath", plist_new_string("/tmp/Per2.tmp"));
plist_dict_set_item(opts, "RootToInstall", plist_new_bool(0));
// FIXME: not required for iOS 5?
//plist_dict_set_item(opts, "SourceRestoreBundlePath", plist_new_string("/tmp"));
plist_dict_set_item(opts, "SystemImage", plist_new_bool(1));
// FIXME: new on iOS 5 ?
plist_dict_set_item(opts, "SystemImageType", plist_new_string("User"));
plist_t spp = plist_access_path(build_identity, 2, "Info", "SystemPartitionPadding");
if (spp) {
spp = plist_copy(spp);
} else {
spp = plist_new_dict();
plist_dict_set_item(spp, "128", plist_new_uint(1280));
plist_dict_set_item(spp, "16", plist_new_uint(160));
plist_dict_set_item(spp, "32", plist_new_uint(320));
plist_dict_set_item(spp, "64", plist_new_uint(640));
plist_dict_set_item(spp, "8", plist_new_uint(80));
}
plist_dict_set_item(opts, "SystemPartitionPadding", spp);
char* guid = generate_guid();
if (guid) {
plist_dict_set_item(opts, "UUID", plist_new_string(guid));
free(guid);
}
// FIXME: does this have any effect actually?
plist_dict_set_item(opts, "UpdateBaseband", plist_new_bool(0));
plist_t sep = plist_access_path(build_identity, 3, "Manifest", "SEP", "Info");
if (sep) {
node = plist_dict_get_item(sep, "RequiredCapacity");
if (node && plist_get_node_type(node) == PLIST_STRING) {
char* sval = NULL;
plist_get_string_val(node, &sval);
debug("TZ0RequiredCapacity: %s\n", sval);
plist_dict_set_item(opts, "TZ0RequiredCapacity", plist_copy(node));
free(sval);
sval = NULL;
}
}
// FIXME: not required for iOS 5?
//plist_dict_set_item(opts, "UserLocale", plist_new_string("en_US"));
/* this is mandatory on iOS 7+ to allow restore from normal mode */
plist_dict_set_item(opts, "PersonalizedDuringPreflight", plist_new_bool(1));
// start the restore process
restore_error = restored_start_restore(restore, opts, client->restore->protocol_version);
if (restore_error != RESTORE_E_SUCCESS) {
error("ERROR: Unable to start the restore process\n");
plist_free(opts);
restore_client_free(client);
return -1;
}
plist_free(opts);
idevicerestore_progress(client, RESTORE_STEP_PREPARE, 1.0);
// this is the restore process loop, it reads each message in from
// restored and passes that data on to it's specific handler
while ((client->flags & FLAG_QUIT) == 0) {
// finally, if any of these message handlers returned -1 then we encountered
// an unrecoverable error, so we need to bail.
if (err < 0) {
error("ERROR: Unable to successfully restore device\n");
client->flags |= FLAG_QUIT;
}
restore_error = restored_receive(restore, &message);
if (restore_error != RESTORE_E_SUCCESS) {
debug("No data to read\n");
message = NULL;
continue;
}
// discover what kind of message has been received
node = plist_dict_get_item(message, "MsgType");
if (!node || plist_get_node_type(node) != PLIST_STRING) {
debug("Unknown message received:\n");
//if (idevicerestore_debug)
debug_plist(message);
plist_free(message);
message = NULL;
continue;
}
plist_get_string_val(node, &type);
// data request messages are sent by restored whenever it requires
// files sent to the server by the client. these data requests include
// SystemImageData, RootTicket, KernelCache, NORData and BasebandData requests
if (!strcmp(type, "DataRequestMsg")) {
err = restore_handle_data_request_msg(client, device, restore, message, build_identity, filesystem);
}
// restore logs are available if a previous restore failed
else if (!strcmp(type, "PreviousRestoreLogMsg")) {
err = restore_handle_previous_restore_log_msg(restore, message);
}
// progress notification messages sent by the restored inform the client
// of it's current operation and sometimes percent of progress is complete
else if (!strcmp(type, "ProgressMsg")) {
err = restore_handle_progress_msg(client, message);
}
// status messages usually indicate the current state of the restored
// process or often to signal an error has been encountered
else if (!strcmp(type, "StatusMsg")) {
err = restore_handle_status_msg(restore, message);
if (restore_finished) {
plist_t dict = plist_new_dict();
plist_dict_set_item(dict, "MsgType", plist_new_string("ReceivedFinalStatusMsg"));
restored_send(restore, dict);
plist_free(dict);
client->flags |= FLAG_QUIT;
}
}
// baseband update message
else if (!strcmp(type, "BBUpdateStatusMsg")) {
err = restore_handle_bb_update_status_msg(restore, message);
}
// there might be some other message types i'm not aware of, but I think
// at least the "previous error logs" messages usually end up here
else {
debug("Unknown message type received\n");
//if (idevicerestore_debug)
debug_plist(message);
}
free(type);
plist_free(message);
message = NULL;
}
if (thread_alive(fdr_thread)) {
if (fdr_control_channel) {
fdr_disconnect(fdr_control_channel);
thread_join(fdr_thread);
fdr_control_channel = NULL;
}
}
restore_client_free(client);
return err;
}
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