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-rw-r--r--src/restore.c199
1 files changed, 187 insertions, 12 deletions
diff --git a/src/restore.c b/src/restore.c
index fd6fec2..ce9d41b 100644
--- a/src/restore.c
+++ b/src/restore.c
@@ -24,6 +24,7 @@
#include <string.h>
#include <libimobiledevice/restore.h>
+#include "tss.h"
#include "restore.h"
#include "idevicerestore.h"
@@ -44,6 +45,8 @@
#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;
@@ -77,8 +80,81 @@ int restore_check_mode(const char* uuid) {
return 0;
}
+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_open_with_timeout(const char* uuid, idevice_t* device, restored_client_t* restore) {
+ int i = 0;
+ int attempt = 10;
+ char* type = NULL;
+ uint64_t version = 0;
+ 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 <= attempt; i++) {
+ if (restore_device_connected == 1) {
+ break;
+ }
+
+ if (i == attempt) {
+ 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, &type, &version);
+ 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);
+ idevice_event_unsubscribe();
+}
+
const char* restore_progress_string(unsigned int operation) {
- switch(operation) {
+ switch (operation) {
case CREATE_PARTITION_MAP:
return "Creating partition map";
@@ -126,7 +202,6 @@ 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 operation = 0;
@@ -163,7 +238,7 @@ int restore_handle_status_msg(restored_client_t client, plist_t msg) {
return 0;
}
-int restore_send_filesystem(idevice_t device, restored_client_t client, const char *filesystem) {
+int restore_send_filesystem(idevice_t device, restored_client_t client, const char* filesystem) {
int i = 0;
char buffer[0x1000];
uint32_t recv_bytes = 0;
@@ -327,7 +402,7 @@ int restore_send_filesystem(idevice_t device, restored_client_t client, const ch
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);
@@ -347,19 +422,17 @@ int restore_send_kernelcache(restored_client_t client, char *kernel_data, int le
return 0;
}
-int restore_send_nor(restored_client_t client, char* ipsw, plist_t tss) {
+int restore_send_nor(restored_client_t client, const 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) {
+ if (tss_get_entry_path(tss, "LLB", &llb_path) < 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");
+ error("ERROR: Unable to extract firmware path from LLB filename\n");
free(llb_path);
- free(llb_blob);
return -1;
}
@@ -378,7 +451,6 @@ int restore_send_nor(restored_client_t client, 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;
}
@@ -392,7 +464,7 @@ int restore_send_nor(restored_client_t client, 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_by_path(ipsw, tss, firmware_filename, &llb_data, &llb_size) < 0) {
+ if (get_signed_component(ipsw, tss, firmware_filename, &llb_data, &llb_size) < 0) {
error("ERROR: Unable to get signed LLB\n");
return -1;
}
@@ -407,7 +479,7 @@ int restore_send_nor(restored_client_t client, 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_by_path(ipsw, tss, firmware_filename, &nor_data, &nor_size) < 0) {
+ if (get_signed_component(ipsw, tss, firmware_filename, &nor_data, &nor_size) < 0) {
error("ERROR: Unable to get signed firmware %s\n", firmware_filename);
break;
}
@@ -436,3 +508,106 @@ int restore_send_nor(restored_client_t client, char* ipsw, plist_t tss) {
plist_free(dict);
return 0;
}
+
+int restore_device(const char* uuid, const char* ipsw, plist_t tss, const char* filesystem) {
+ idevice_t device = NULL;
+ idevice_error_t device_error = idevice_new(&device, uuid);
+ if (device_error != IDEVICE_E_SUCCESS) {
+ error("ERROR: Unable to open device\n");
+ plist_free(tss);
+ return -1;
+ }
+
+ restored_client_t restore = NULL;
+ restored_error_t restore_error = restored_client_new(device, &restore, "idevicerestore");
+ if (restore_error != RESTORE_E_SUCCESS) {
+ error("ERROR: Unable to start restored client\n");
+ plist_free(tss);
+ idevice_free(device);
+ return -1;
+ }
+
+ char* type = NULL;
+ uint64_t version = 0;
+ if (restored_query_type(restore, &type, &version) != RESTORE_E_SUCCESS) {
+ error("ERROR: Device is not in restore mode. QueryType returned \"%s\"\n", type);
+ plist_free(tss);
+ restored_client_free(restore);
+ idevice_free(device);
+ return -1;
+ }
+ info("Device has successfully entered restore mode\n");
+
+ /* start restore process */
+ char* kernelcache = NULL;
+ info("Restore protocol version is %llu.\n", version);
+ restore_error = restored_start_restore(restore);
+ if (restore_error == RESTORE_E_SUCCESS) {
+ while (!idevicerestore_quit) {
+ plist_t message = NULL;
+ restore_error = restored_receive(restore, &message);
+ plist_t msgtype_node = plist_dict_get_item(message, "MsgType");
+ if (msgtype_node && PLIST_STRING == plist_get_node_type(msgtype_node)) {
+ char *msgtype = NULL;
+ plist_get_string_val(msgtype_node, &msgtype);
+ if (!strcmp(msgtype, "ProgressMsg")) {
+ restore_error = restore_handle_progress_msg(restore, message);
+
+ } else if (!strcmp(msgtype, "DataRequestMsg")) {
+ // device is requesting data to be sent
+ plist_t datatype_node = plist_dict_get_item(message, "DataType");
+ if (datatype_node && PLIST_STRING == plist_get_node_type(datatype_node)) {
+ char *datatype = NULL;
+ plist_get_string_val(datatype_node, &datatype);
+ if (!strcmp(datatype, "SystemImageData")) {
+ restore_send_filesystem(device, restore, filesystem);
+
+ } else if (!strcmp(datatype, "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(datatype, "NORData")) {
+ restore_send_nor(restore, ipsw, tss);
+
+ } else {
+ // Unknown DataType!!
+ error("Unknown DataType\n");
+ return -1;
+ }
+ }
+
+ } else if (!strcmp(msgtype, "StatusMsg")) {
+ restore_error = restore_handle_status_msg(restore, message);
+
+ } else {
+ info("Received unknown message type: %s\n", msgtype);
+ }
+ }
+
+ if (RESTORE_E_SUCCESS != restore_error) {
+ error("Invalid return status %d\n", restore_error);
+ //idevicerestore_quit = 1;
+ }
+
+ plist_free(message);
+ }
+ } else {
+ error("ERROR: Could not start restore. %d\n", restore_error);
+ }
+
+ restored_client_free(restore);
+ idevice_free(device);
+ return 0;
+}
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