summaryrefslogtreecommitdiffstats
path: root/src/restore.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/restore.c')
-rw-r--r--src/restore.c405
1 files changed, 405 insertions, 0 deletions
diff --git a/src/restore.c b/src/restore.c
new file mode 100644
index 0000000..485df9b
--- /dev/null
+++ b/src/restore.c
@@ -0,0 +1,405 @@
+/*
+ * restore.c
+ * Functions for handling idevices in restore mode
+ *
+ * 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 <libimobiledevice/restore.h>
+
+#include "restore.h"
+#include "idevicerestore.h"
+
+#define ASR_PORT 12345
+
+#define CREATE_PARTITION_MAP 12
+#define CREATE_FILESYSTEM 13
+#define RESTORE_IMAGE 14
+#define VERIFY_RESTORE 15
+#define CHECK_FILESYSTEM 16
+#define MOUNT_FILESYSTEM 17
+#define FLASH_NOR 19
+#define UPDATE_BASEBAND 20
+#define FINIALIZE_NAND 21
+#define MODIFY_BOOTARGS 26
+#define WAIT_FOR_NAND 29
+#define UNMOUNT_FILESYSTEM 30
+#define WAIT_FOR_DEVICE 33
+#define LOAD_NOR 36
+
+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_FILESYSTEM:
+ return "Checking filesystems";
+
+ case MOUNT_FILESYSTEM:
+ return "Mounting filesystems";
+
+ case FLASH_NOR:
+ return "Flashing NOR";
+
+ case UPDATE_BASEBAND:
+ return "Updating baseband";
+
+ case FINIALIZE_NAND:
+ return "Finalizing NAND epoch update";
+
+ case MODIFY_BOOTARGS:
+ return "Modifying persistent boot-args";
+
+ case UNMOUNT_FILESYSTEM:
+ return "Unmounting filesystems";
+
+ case WAIT_FOR_NAND:
+ return "Waiting for NAND...";
+
+ case WAIT_FOR_DEVICE:
+ return "Waiting for Device...";
+
+ case LOAD_NOR:
+ return "Loading NOR data to flash";
+
+ default:
+ return "Unknown operation";
+ }
+}
+
+
+int restore_handle_progress_msg(restored_client_t client, plist_t msg) {
+ plist_t node = NULL;
+ uint64_t operation = 0;
+ uint64_t uprogress = 0;
+ uint32_t progress = 0;
+
+ node = plist_dict_get_item(msg, "Operation");
+ 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 0;
+ }
+
+ node = plist_dict_get_item(msg, "Progress");
+ 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 0;
+ }
+
+ 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");
+ return 0;
+}
+
+int asr_send_system_image_data_from_file(idevice_t device, restored_client_t client, const char *filesystem) {
+ int i = 0;
+ 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;
+
+ else
+ sleep(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;
+ }
+ info("Received %d bytes\n", recv_bytes);
+ info("%s", buffer);
+
+ FILE* fd = fopen(filesystem, "rb");
+ if (fd == NULL) {
+ idevice_disconnect(connection);
+ return ret;
+ }
+
+ 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("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) {
+ info("Sending kernelcache\n");
+
+ plist_t kernelcache_node = plist_new_data(kernel_data, len);
+
+ plist_t dict = plist_new_dict();
+ plist_dict_insert_item(dict, "KernelCacheFile", kernelcache_node);
+
+ restored_error_t ret = restored_send(client, dict);
+ if (ret != RESTORE_E_SUCCESS) {
+ error("ERROR: Unable to send kernelcache data\n");
+ plist_free(dict);
+ return -1;
+ }
+
+ info("Done sending kernelcache\n");
+ plist_free(dict);
+ return 0;
+}
+
+int restore_send_nor_data(restored_client_t client, char* ipsw, plist_t tss) {
+ char* llb_path = NULL;
+ 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 extrac firmware path from LLB filename\n");
+ free(llb_path);
+ free(llb_blob);
+ return -1;
+ }
+
+ char firmware_path[256];
+ 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);
+
+ char manifest_file[256];
+ memset(manifest_file, '\0', sizeof(manifest_file));
+ snprintf(manifest_file, sizeof(manifest_file), "%s/manifest", firmware_path);
+ info("Getting firmware manifest %s\n", manifest_file);
+
+ int manifest_size = 0;
+ char* manifest_data = NULL;
+ 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;
+ }
+
+ char firmware_filename[256];
+ memset(firmware_filename, '\0', sizeof(firmware_filename));
+
+ int llb_size = 0;
+ char* llb_data = NULL;
+ plist_t dict = plist_new_dict();
+ char* filename = strtok(manifest_data, "\n");
+ 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_by_path(ipsw, tss, firmware_filename, &llb_data, &llb_size) < 0) {
+ error("ERROR: Unable to get signed LLB\n");
+ return -1;
+ }
+
+ plist_dict_insert_item(dict, "LlbImageData", plist_new_data(llb_data, (uint64_t) llb_size));
+ }
+
+ int nor_size = 0;
+ char* nor_data = NULL;
+ filename = strtok(NULL, "\n");
+ plist_t norimage_array = plist_new_array();
+ 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_by_path(ipsw, tss, firmware_filename, &nor_data, &nor_size) < 0) {
+ error("ERROR: Unable to get signed firmware %s\n", firmware_filename);
+ break;
+ }
+
+ plist_array_append_item(norimage_array, plist_new_data(nor_data, (uint64_t) nor_size));
+ free(nor_data);
+ nor_data = NULL;
+ nor_size = 0;
+ filename = strtok(NULL, "\n");
+ }
+ plist_dict_insert_item(dict, "NorImageData", norimage_array);
+
+ 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) {
+ error("ERROR: Unable to send kernelcache data\n");
+ plist_free(dict);
+ return -1;
+ }
+
+ plist_free(dict);
+ return 0;
+}
© 2009-2020 sukimashita.com - Generated by cgit - Icons from Tango - Uses Google Analytics