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-rw-r--r--src/restore.c564
1 files changed, 186 insertions, 378 deletions
diff --git a/src/restore.c b/src/restore.c
index fc22b75..485df9b 100644
--- a/src/restore.c
+++ b/src/restore.c
@@ -24,11 +24,11 @@
#include <string.h>
#include <libimobiledevice/restore.h>
-#include "asr.h"
-#include "tss.h"
#include "restore.h"
#include "idevicerestore.h"
+#define ASR_PORT 12345
+
#define CREATE_PARTITION_MAP 12
#define CREATE_FILESYSTEM 13
#define RESTORE_IMAGE 14
@@ -44,194 +44,8 @@
#define WAIT_FOR_DEVICE 33
#define LOAD_NOR 36
-static int restore_device_connected = 0;
-
-int restore_check_mode(const char* uuid) {
- char* type = NULL;
- uint64_t version = 0;
- idevice_t device = NULL;
- restored_client_t restore = NULL;
- idevice_error_t device_error = IDEVICE_E_SUCCESS;
- restored_error_t restore_error = RESTORE_E_SUCCESS;
-
- device_error = idevice_new(&device, uuid);
- if (device_error != IDEVICE_E_SUCCESS) {
- return -1;
- }
-
- restore_error = restored_client_new(device, &restore, "idevicerestore");
- if (restore_error != RESTORE_E_SUCCESS) {
- idevice_free(device);
- return -1;
- }
-
- restore_error = restored_query_type(restore, &type, &version);
- if (restore_error != RESTORE_E_SUCCESS) {
- restored_client_free(restore);
- idevice_free(device);
- return -1;
- }
-
- restored_client_free(restore);
- idevice_free(device);
- restore = NULL;
- device = NULL;
- return 0;
-}
-
-int restore_check_device(const char* uuid) {
- int i = 0;
- char* type = NULL;
- char* model = NULL;
- plist_t node = NULL;
- uint64_t version = 0;
- idevice_t device = NULL;
- restored_client_t restore = NULL;
- idevice_error_t device_error = IDEVICE_E_SUCCESS;
- restored_error_t restore_error = RESTORE_E_SUCCESS;
-
- device_error = idevice_new(&device, uuid);
- if (device_error != IDEVICE_E_SUCCESS) {
- return -1;
- }
-
- restore_error = restored_client_new(device, &restore, "idevicerestore");
- if (restore_error != RESTORE_E_SUCCESS) {
- idevice_free(device);
- return -1;
- }
-
- restore_error = restored_query_type(restore, &type, &version);
- if (restore_error != RESTORE_E_SUCCESS) {
- restored_client_free(restore);
- idevice_free(device);
- return -1;
- }
-
- restore_error = restored_get_value(restore, "HardwareModel", &node);
- if (restore_error != RESTORE_E_SUCCESS) {
- error("ERROR: Unable to get HardwareModel from restored\n");
- restored_client_free(restore);
- idevice_free(device);
- return -1;
- }
-
- restored_client_free(restore);
- idevice_free(device);
- restore = NULL;
- device = NULL;
-
- if (!node || plist_get_node_type(node) != PLIST_STRING) {
- error("ERROR: Unable to get HardwareModel information\n");
- if (node)
- plist_free(node);
- return -1;
- }
- plist_get_string_val(node, &model);
-
- for (i = 0; idevicerestore_devices[i].model != NULL; i++) {
- if (!strcasecmp(model, idevicerestore_devices[i].model)) {
- break;
- }
- }
-
- return idevicerestore_devices[i].device_id;
-}
-
-void restore_device_callback(const idevice_event_t* event, void* user_data) {
- if (event->event == IDEVICE_DEVICE_ADD) {
- restore_device_connected = 1;
-
- } else if (event->event == IDEVICE_DEVICE_REMOVE) {
- restore_device_connected = 0;
- }
-}
-
-int restore_reboot(const char* uuid) {
- idevice_t device = NULL;
- restored_client_t restore = NULL;
- restored_error_t restore_error = RESTORE_E_SUCCESS;
- if (restore_open_with_timeout(uuid, &device, &restore) < 0) {
- error("ERROR: Unable to open device in restore mode\n");
- return -1;
- }
-
- restore_error = restored_reboot(restore);
- if (restore_error != RESTORE_E_SUCCESS) {
- error("ERROR: Unable to reboot the device from restore mode\n");
- restore_close(device, restore);
- return -1;
- }
-
- restore_close(device, restore);
- restore = NULL;
- device = NULL;
- return 0;
-}
-
-int restore_open_with_timeout(const char* uuid, idevice_t* device, restored_client_t* restore) {
- int i = 0;
- int attempts = 10;
- idevice_t context = NULL;
- restored_client_t client = NULL;
- idevice_error_t device_error = IDEVICE_E_SUCCESS;
- restored_error_t restore_error = RESTORE_E_SUCCESS;
-
- *device = NULL;
- *restore = NULL;
-
- device_error = idevice_event_subscribe(&restore_device_callback, NULL);
- if (device_error != IDEVICE_E_SUCCESS) {
- error("ERROR: Unable to subscribe to device events\n");
- return -1;
- }
-
- for (i = 1; i <= attempts; i++) {
- if (restore_device_connected == 1) {
- break;
- }
-
- if (i == attempts) {
- error("ERROR: Unable to connect to device in restore mode\n");
- }
-
- sleep(2);
- }
-
- device_error = idevice_new(&context, uuid);
- if (device_error != IDEVICE_E_SUCCESS) {
- return -1;
- }
-
- restore_error = restored_client_new(context, &client, "idevicerestore");
- if (restore_error != RESTORE_E_SUCCESS) {
- idevice_event_unsubscribe();
- idevice_free(context);
- return -1;
- }
-
- restore_error = restored_query_type(client, NULL, NULL);
- if (restore_error != RESTORE_E_SUCCESS) {
- restored_client_free(client);
- idevice_event_unsubscribe();
- idevice_free(context);
- return -1;
- }
-
- *device = context;
- *restore = client;
- return 0;
-}
-
-void restore_close(idevice_t device, restored_client_t restore) {
- if (restore)
- restored_client_free(restore);
- if (device)
- idevice_free(device);
-}
-
const char* restore_progress_string(unsigned int operation) {
- switch (operation) {
+ switch(operation) {
case CREATE_PARTITION_MAP:
return "Creating partition map";
@@ -279,88 +93,208 @@ const char* restore_progress_string(unsigned int operation) {
}
}
+
int restore_handle_progress_msg(restored_client_t client, plist_t msg) {
plist_t node = NULL;
- uint64_t progress = 0;
uint64_t operation = 0;
+ uint64_t uprogress = 0;
+ uint32_t progress = 0;
node = plist_dict_get_item(msg, "Operation");
- if (!node || plist_get_node_type(node) != PLIST_UINT) {
+ if (node && PLIST_UINT == plist_get_node_type(node)) {
+ plist_get_uint_val(node, &operation);
+ } else {
debug("Failed to parse operation from ProgressMsg plist\n");
- return -1;
+ return 0;
}
- plist_get_uint_val(node, &operation);
node = plist_dict_get_item(msg, "Progress");
- if (!node || plist_get_node_type(node) != PLIST_UINT) {
+ if (node && PLIST_UINT == plist_get_node_type(node)) {
+ plist_get_uint_val(node, &uprogress);
+ progress = (uint32_t) uprogress;
+ } else {
debug("Failed to parse progress from ProgressMsg plist \n");
- return -1;
+ return 0;
}
- plist_get_uint_val(node, &progress);
-
- if ((progress > 0) && (progress < 100)) {
- print_progress_bar(restore_progress_string(operation), (double) progress);
- } else {
+ if ((progress > 0) && (progress < 100))
+ info("%s - Progress: %ul%%\n", restore_progress_string(operation), progress);
+ else
info("%s\n", restore_progress_string(operation));
- }
return 0;
}
int restore_handle_status_msg(restored_client_t client, plist_t msg) {
info("Got status message\n");
- debug_plist(msg);
return 0;
}
-int restore_send_filesystem(idevice_t device, const char* filesystem) {
+int asr_send_system_image_data_from_file(idevice_t device, restored_client_t client, const char *filesystem) {
int i = 0;
- FILE* file = NULL;
- plist_t data = NULL;
- idevice_connection_t asr = NULL;
- idevice_error_t device_error = IDEVICE_E_UNKNOWN_ERROR;
+ char buffer[0x1000];
+ uint32_t recv_bytes = 0;
+ memset(buffer, '\0', 0x1000);
+ idevice_connection_t connection = NULL;
+ idevice_error_t ret = IDEVICE_E_UNKNOWN_ERROR;
+
+ for (i = 0; i < 5; i++) {
+ ret = idevice_connect(device, ASR_PORT, &connection);
+ if (ret == IDEVICE_E_SUCCESS)
+ break;
- if (asr_open_with_timeout(device, &asr) < 0) {
- error("ERROR: Unable to connect to ASR\n");
- return -1;
+ else
+ sleep(1);
}
- info("Connected to ASR\n");
- // we don't really need to do anything with this,
- // we're just clearing the output buffer
- if (asr_receive(asr, &data) < 0) {
- error("ERROR: Unable to receive data from ASR\n");
- asr_close(asr);
- return -1;
+ if (ret != IDEVICE_E_SUCCESS)
+ return ret;
+
+ memset(buffer, '\0', 0x1000);
+ ret = idevice_connection_receive(connection, buffer, 0x1000, &recv_bytes);
+ if (ret != IDEVICE_E_SUCCESS) {
+ idevice_disconnect(connection);
+ return ret;
}
- plist_free(data);
-
- // this step sends requested chunks of data from various offsets to asr so
- // it can validate the filesystem before installing it
- debug("Preparing to validate the filesystem\n");
- if (asr_perform_validation(asr, filesystem) < 0) {
- error("ERROR: ASR was unable to validate the filesystem\n");
- asr_close(asr);
- return -1;
+ info("Received %d bytes\n", recv_bytes);
+ info("%s", buffer);
+
+ FILE* fd = fopen(filesystem, "rb");
+ if (fd == NULL) {
+ idevice_disconnect(connection);
+ return ret;
}
- info("Filesystem validated\n");
-
- // once the target filesystem has been validated, ASR then requests the
- // entire filesystem to be sent.
- debug("Preparing to send filesystem\n");
- if (asr_send_payload(asr, filesystem) < 0) {
- error("ERROR: Unable to send payload to ASR\n");
- asr_close(asr);
- return -1;
+
+ fseek(fd, 0, SEEK_END);
+ uint64_t len = ftell(fd);
+ fseek(fd, 0, SEEK_SET);
+
+ info("Connected to ASR\n");
+ plist_t dict = plist_new_dict();
+ plist_dict_insert_item(dict, "FEC Slice Stride", plist_new_uint(40));
+ plist_dict_insert_item(dict, "Packet Payload Size", plist_new_uint(1450));
+ plist_dict_insert_item(dict, "Packets Per FEC", plist_new_uint(25));
+
+ plist_t payload = plist_new_dict();
+ plist_dict_insert_item(payload, "Port", plist_new_uint(1));
+ plist_dict_insert_item(payload, "Size", plist_new_uint(len));
+ plist_dict_insert_item(dict, "Payload", payload);
+
+ plist_dict_insert_item(dict, "Stream ID", plist_new_uint(1));
+ plist_dict_insert_item(dict, "Version", plist_new_uint(1));
+
+ char* xml = NULL;
+ unsigned int dict_size = 0;
+ unsigned int sent_bytes = 0;
+ plist_to_xml(dict, &xml, &dict_size);
+
+ ret = idevice_connection_send(connection, xml, dict_size, &sent_bytes);
+ if (ret != IDEVICE_E_SUCCESS) {
+ idevice_disconnect(connection);
+ return ret;
}
- info("Filesystem finished\n");
- asr_close(asr);
- return 0;
+ info("Sent %d bytes\n", sent_bytes);
+ info("%s", xml);
+ plist_free(dict);
+ free(xml);
+
+ char* command = NULL;
+ do {
+ memset(buffer, '\0', 0x1000);
+ ret = idevice_connection_receive(connection, buffer, 0x1000, &recv_bytes);
+ if (ret != IDEVICE_E_SUCCESS) {
+ idevice_disconnect(connection);
+ return ret;
+ }
+ info("Received %d bytes\n", recv_bytes);
+ info("%s", buffer);
+
+ plist_t request = NULL;
+ plist_from_xml(buffer, recv_bytes, &request);
+ plist_t command_node = plist_dict_get_item(request, "Command");
+ if (command_node && PLIST_STRING == plist_get_node_type(command_node)) {
+ plist_get_string_val(command_node, &command);
+ if (!strcmp(command, "OOBData")) {
+ plist_t oob_length_node = plist_dict_get_item(request, "OOB Length");
+ if (!oob_length_node || PLIST_UINT != plist_get_node_type(oob_length_node)) {
+ error("Error fetching OOB Length\n");
+ idevice_disconnect(connection);
+ return IDEVICE_E_UNKNOWN_ERROR;
+ }
+ uint64_t oob_length = 0;
+ plist_get_uint_val(oob_length_node, &oob_length);
+
+ plist_t oob_offset_node = plist_dict_get_item(request, "OOB Offset");
+ if (!oob_offset_node || PLIST_UINT != plist_get_node_type(oob_offset_node)) {
+ error("Error fetching OOB Offset\n");
+ idevice_disconnect(connection);
+ return IDEVICE_E_UNKNOWN_ERROR;
+ }
+ uint64_t oob_offset = 0;
+ plist_get_uint_val(oob_offset_node, &oob_offset);
+
+ char* oob_data = (char*) malloc(oob_length);
+ if (oob_data == NULL) {
+ error("Out of memory\n");
+ idevice_disconnect(connection);
+ return IDEVICE_E_UNKNOWN_ERROR;
+ }
+
+ fseek(fd, oob_offset, SEEK_SET);
+ if (fread(oob_data, 1, oob_length, fd) != oob_length) {
+ error("Unable to read filesystem offset\n");
+ idevice_disconnect(connection);
+ free(oob_data);
+ return ret;
+ }
+
+ ret = idevice_connection_send(connection, oob_data, oob_length, &sent_bytes);
+ if (sent_bytes != oob_length || ret != IDEVICE_E_SUCCESS) {
+ error("Unable to send %d bytes to asr\n", sent_bytes);
+ idevice_disconnect(connection);
+ free(oob_data);
+ return ret;
+ }
+ plist_free(request);
+ free(oob_data);
+ }
+ }
+
+ } while (strcmp(command, "Payload"));
+
+ fseek(fd, 0, SEEK_SET);
+ char data[1450];
+ for (i = len; i > 0; i -= 1450) {
+ int size = 1450;
+ if (i < 1450) {
+ size = i;
+ }
+
+ if (fread(data, 1, size, fd) != (unsigned int) size) {
+ fclose(fd);
+ idevice_disconnect(connection);
+ error("Error reading filesystem\n");
+ return IDEVICE_E_UNKNOWN_ERROR;
+ }
+
+ ret = idevice_connection_send(connection, data, size, &sent_bytes);
+ if (ret != IDEVICE_E_SUCCESS) {
+ fclose(fd);
+ }
+
+ if (i % (1450 * 1000) == 0) {
+ info(".");
+ }
+ }
+
+ info("Done sending filesystem\n");
+ fclose(fd);
+ ret = idevice_disconnect(connection);
+ return ret;
}
-int restore_send_kernelcache(restored_client_t client, char* kernel_data, int len) {
+int restore_send_kernelcache(restored_client_t client, char *kernel_data, int len) {
info("Sending kernelcache\n");
plist_t kernelcache_node = plist_new_data(kernel_data, len);
@@ -380,17 +314,19 @@ int restore_send_kernelcache(restored_client_t client, char* kernel_data, int le
return 0;
}
-int restore_send_nor(restored_client_t client, const char* ipsw, plist_t tss) {
+int restore_send_nor_data(restored_client_t client, char* ipsw, plist_t tss) {
char* llb_path = NULL;
- if (tss_get_entry_path(tss, "LLB", &llb_path) < 0) {
+ char* llb_blob = NULL;
+ if (get_tss_data_by_name(tss, "LLB", &llb_path, &llb_blob) < 0) {
error("ERROR: Unable to get LLB info from TSS response\n");
return -1;
}
char* llb_filename = strstr(llb_path, "LLB");
if (llb_filename == NULL) {
- error("ERROR: Unable to extract firmware path from LLB filename\n");
+ error("ERROR: Unable to extrac firmware path from LLB filename\n");
free(llb_path);
+ free(llb_blob);
return -1;
}
@@ -409,6 +345,7 @@ int restore_send_nor(restored_client_t client, const char* ipsw, plist_t tss) {
if (ipsw_extract_to_memory(ipsw, manifest_file, &manifest_data, &manifest_size) < 0) {
error("ERROR: Unable to extract firmware manifest from ipsw\n");
free(llb_path);
+ free(llb_blob);
return -1;
}
@@ -422,7 +359,7 @@ int restore_send_nor(restored_client_t client, const char* ipsw, plist_t tss) {
if (filename != NULL) {
memset(firmware_filename, '\0', sizeof(firmware_filename));
snprintf(firmware_filename, sizeof(firmware_filename), "%s/%s", firmware_path, filename);
- if (get_signed_component(ipsw, tss, firmware_filename, &llb_data, &llb_size) < 0) {
+ if (get_signed_component_by_path(ipsw, tss, firmware_filename, &llb_data, &llb_size) < 0) {
error("ERROR: Unable to get signed LLB\n");
return -1;
}
@@ -437,7 +374,7 @@ int restore_send_nor(restored_client_t client, const char* ipsw, plist_t tss) {
while (filename != NULL) {
memset(firmware_filename, '\0', sizeof(firmware_filename));
snprintf(firmware_filename, sizeof(firmware_filename), "%s/%s", firmware_path, filename);
- if (get_signed_component(ipsw, tss, firmware_filename, &nor_data, &nor_size) < 0) {
+ if (get_signed_component_by_path(ipsw, tss, firmware_filename, &nor_data, &nor_size) < 0) {
error("ERROR: Unable to get signed firmware %s\n", firmware_filename);
break;
}
@@ -450,7 +387,11 @@ int restore_send_nor(restored_client_t client, const char* ipsw, plist_t tss) {
}
plist_dict_insert_item(dict, "NorImageData", norimage_array);
- debug_plist(dict);
+ int sz = 0;
+ char* xml = NULL;
+ plist_to_xml(dict, &xml, &sz);
+ debug("%s", xml);
+ free(xml);
restored_error_t ret = restored_send(client, dict);
if (ret != RESTORE_E_SUCCESS) {
@@ -462,136 +403,3 @@ int restore_send_nor(restored_client_t client, const char* ipsw, plist_t tss) {
plist_free(dict);
return 0;
}
-
-int restore_handle_data_request_msg(idevice_t device, restored_client_t restore, plist_t message, plist_t tss, const char* ipsw, 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")) {
- restore_send_filesystem(device, filesystem);
-
- }
-
- else if (!strcmp(type, "KernelCache")) {
- int kernelcache_size = 0;
- char* kernelcache_data = NULL;
- char* kernelcache_path = NULL;
- if (tss_get_entry_path(tss, "KernelCache", &kernelcache_path) < 0) {
- error("ERROR: Unable to find kernelcache path\n");
- return -1;
- }
-
- if (get_signed_component(ipsw, tss, kernelcache_path, &kernelcache_data, &kernelcache_size) < 0) {
- error("ERROR: Unable to get kernelcache file\n");
- return -1;
- }
- restore_send_kernelcache(restore, kernelcache_data, kernelcache_size);
- free(kernelcache_data);
-
- }
-
- else if (!strcmp(type, "NORData")) {
- restore_send_nor(restore, ipsw, tss);
-
- } else {
- // Unknown DataType!!
- debug("Unknown data request received\n");
- }
- }
- return 0;
-}
-
-int restore_device(const char* uuid, const char* ipsw, plist_t tss, const char* filesystem) {
- int error = 0;
- char* type = NULL;
- char* kernel = NULL;
- plist_t node = NULL;
- plist_t message = NULL;
- idevice_t device = NULL;
- restored_client_t restore = NULL;
- idevice_error_t device_error = IDEVICE_E_SUCCESS;
- restored_error_t restore_error = RESTORE_E_SUCCESS;
-
- // open our connection to the device and verify we're in restore mode
- if (restore_open_with_timeout(uuid, &device, &restore) < 0) {
- error("ERROR: Unable to open device in restore mode\n");
- return -1;
- }
- info("Device has successfully entered restore mode\n");
-
- // start the restore process
- restore_error = restored_start_restore(restore);
- if (restore_error != RESTORE_E_SUCCESS) {
- error("ERROR: Unable to start the restore process\n");
- restore_close(device, restore);
- return -1;
- }
-
- // this is the restore process loop, it reads each message in from
- // restored and passes that data on to it's specific handler
- while (!idevicerestore_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");
- 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, KernelCache, and NORData requests
- if (!strcmp(type, "DataRequestMsg")) {
- error = restore_handle_data_request_msg(device, restore, message, tss, ipsw, filesystem);
- }
-
- // 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")) {
- error = restore_handle_progress_msg(restore, 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")) {
- error = restore_handle_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");
- debug_plist(message);
- }
-
- // finally, if any of these message handlers returned -1 then we encountered
- // an unrecoverable error, so we need to bail.
- if (error < 0) {
- error("ERROR: Unable to successfully restore device\n");
- idevicerestore_quit = 1;
- }
-
- plist_free(message);
- message = NULL;
- }
-
- restore_close(device, restore);
- return 0;
-}
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