From 38c965c16625d26915b3d4998a8a7e790c834d89 Mon Sep 17 00:00:00 2001 From: Joshua Hill Date: Tue, 22 Jun 2010 15:06:55 -0400 Subject: Reverted rcg4u merge, didn't realize this was actually from posixninja branch --- src/restore.c | 564 +++++++++++++++++++--------------------------------------- 1 file changed, 186 insertions(+), 378 deletions(-) (limited to 'src/restore.c') 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 #include -#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; -} -- cgit v1.1-32-gdbae