summaryrefslogtreecommitdiffstats
path: root/src/idevicerestore.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/idevicerestore.c')
-rw-r--r--src/idevicerestore.c829
1 files changed, 297 insertions, 532 deletions
diff --git a/src/idevicerestore.c b/src/idevicerestore.c
index 4494f04..d2f6039 100644
--- a/src/idevicerestore.c
+++ b/src/idevicerestore.c
@@ -46,21 +46,246 @@ int idevicerestore_verbose = 0;
idevicerestore_mode_t idevicerestore_mode = UNKNOWN_MODE;
idevicerestore_device_t idevicerestore_device = UNKNOWN_DEVICE;
-void usage(int argc, char* argv[]);
-int get_device(const char* uuid);
int check_mode(const char* uuid);
+int check_device(const char* uuid);
+void usage(int argc, char* argv[]);
int get_ecid(const char* uuid, uint64_t* ecid);
int get_bdid(const char* uuid, uint32_t* bdid);
int get_cpid(const char* uuid, uint32_t* cpid);
-int write_file(const char* filename, char* data, int size);
+void device_callback(const idevice_event_t* event, void* user_data);
int extract_buildmanifest(const char* ipsw, plist_t* buildmanifest);
plist_t get_build_identity(plist_t buildmanifest, uint32_t identity);
+int write_file(const char* filename, const char* data, uint32_t size);
+int get_shsh_blobs(uint64_t ecid, plist_t build_identity, plist_t* tss);
int extract_filesystem(const char* ipsw, plist_t buildmanifest, char** filesystem);
-int get_tss_data_by_name(plist_t tss, const char* entry, char** path, char** blob);
-int get_tss_data_by_path(plist_t tss, const char* path, char** name, char** blob);
-void device_callback(const idevice_event_t* event, void *user_data);
-int get_signed_component_by_name(char* ipsw, plist_t tss, char* component, char** pdata, int* psize);
-int get_signed_component_by_path(char* ipsw, plist_t tss, char* path, char** pdata, int* psize);
+int get_signed_component_by_name(char* ipsw, plist_t tss, const char* component, char** data, uint32_t* size);
+int get_signed_component(char* ipsw, plist_t tss, const char* path, char** data, uint32_t* size);
+
+void usage(int argc, char* argv[]) {
+ char *name = strrchr(argv[0], '/');
+ printf("Usage: %s [OPTIONS] FILE\n", (name ? name + 1 : argv[0]));
+ printf("Restore/upgrade IPSW firmware FILE to an iPhone/iPod Touch.\n");
+ printf(" -d, \t\tenable communication debugging\n");
+ printf(" -u, \t\ttarget specific device by its 40-digit device UUID\n");
+ printf(" -h, \t\tprints usage information\n");
+ printf(" -c, \t\trestore with a custom firmware\n");
+ printf(" -v, \t\tenable verbose output\n");
+ printf("\n");
+}
+
+int main(int argc, char* argv[]) {
+ int opt = 0;
+ char* ipsw = NULL;
+ char* uuid = NULL;
+ uint64_t ecid = 0;
+ while ((opt = getopt(argc, argv, "vdhceu:")) > 0) {
+ switch (opt) {
+ case 'h':
+ usage(argc, argv);
+ break;
+
+ case 'd':
+ idevicerestore_debug = 1;
+ break;
+
+ case 'e':
+ idevicerestore_erase = 1;
+ break;
+
+ case 'c':
+ idevicerestore_custom = 1;
+ break;
+
+ case 'v':
+ idevicerestore_verbose = 1;
+ break;
+
+ case 'u':
+ uuid = optarg;
+ break;
+
+ default:
+ usage(argc, argv);
+ return -1;
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc == 1)
+ ipsw = argv[0];
+
+ if (ipsw == NULL) {
+ usage(argc, argv);
+ error("ERROR: Please supply an IPSW\n");
+ return -1;
+ }
+
+ // check which mode the device is currently in so we know where to start
+ idevicerestore_mode = check_mode(uuid);
+ if (idevicerestore_mode < 0) {
+ error("ERROR: Unable to discover current device state\n");
+ return -1;
+ }
+
+ // discover the device type
+ idevicerestore_device = check_device(uuid);
+ if (idevicerestore_device < 0) {
+ error("ERROR: Unable to discover device type\n");
+ return -1;
+ }
+
+ // extract buildmanifest
+ plist_t buildmanifest = NULL;
+ info("Extracting BuildManifest from IPSW\n");
+ if (extract_buildmanifest(ipsw, &buildmanifest) < 0) {
+ error("ERROR: Unable to extract BuildManifest from %s\n", ipsw);
+ return -1;
+ }
+
+ // choose whether this is an upgrade or a restore (default to upgrade)
+ plist_t build_identity = NULL;
+ if (idevicerestore_erase) {
+ build_identity = get_build_identity(buildmanifest, 0);
+ if (build_identity == NULL) {
+ error("ERROR: Unable to find build any identities\n");
+ plist_free(buildmanifest);
+ return -1;
+ }
+
+ } else {
+ build_identity = get_build_identity(buildmanifest, 1);
+ if (build_identity == NULL) {
+ build_identity = get_build_identity(buildmanifest, 0);
+ if (build_identity == NULL) {
+ error("ERROR: Unable to find build any identities\n");
+ plist_free(buildmanifest);
+ return -1;
+ }
+ info("No upgrade ramdisk found, default to full restore\n");
+ }
+ }
+
+ // devices are listed in order from oldest to newest
+ // devices that come after iPod2g require personalized firmwares
+ plist_t tss_request = NULL;
+ plist_t tss = NULL;
+ if (idevicerestore_device > IPOD2G_DEVICE) {
+ info("Creating TSS request\n");
+ // fetch the device's ECID for the TSS request
+ if (get_ecid(uuid, &ecid) < 0 || ecid == 0) {
+ error("ERROR: Unable to find device ECID\n");
+ return -1;
+ }
+ info("Found ECID %llu\n", ecid);
+
+ // fetch the SHSH blobs for this build identity
+ if (get_shsh_blobs(ecid, build_identity, &tss) < 0) {
+ // this might fail if the TSS server doesn't have the saved blobs for the
+ // update identity, so go ahead and try again with the restore identity
+ if (idevicerestore_erase != 1) {
+ info("Unable to fetch SHSH blobs for upgrade, retrying with full restore\n");
+ build_identity = get_build_identity(buildmanifest, 0);
+ if (build_identity == NULL) {
+ error("ERROR: Unable to find restore identity\n");
+ plist_free(buildmanifest);
+ return -1;
+ }
+
+ if (get_shsh_blobs(ecid, build_identity, &tss) < 0) {
+ // if this fails then no SHSH blobs have been saved for this firmware
+ error("ERROR: Unable to fetch SHSH blobs for this firmware\n");
+ plist_free(buildmanifest);
+ return -1;
+ }
+
+ } else {
+ error("ERROR: Unable to fetch SHSH blobs for this firmware\n");
+ plist_free(buildmanifest);
+ return -1;
+ }
+ }
+ }
+
+ // Extract filesystem from IPSW and return its name
+ char* filesystem = NULL;
+ if (extract_filesystem(ipsw, build_identity, &filesystem) < 0) {
+ error("ERROR: Unable to extract filesystem from IPSW\n");
+ if (tss)
+ plist_free(tss);
+ plist_free(buildmanifest);
+ return -1;
+ }
+
+ // if the device is in normal mode, place device into recovery mode
+ if (idevicerestore_mode == NORMAL_MODE) {
+ info("Entering recovery mode...\n");
+ if (normal_enter_recovery(uuid) < 0) {
+ error("ERROR: Unable to place device into recovery mode\n");
+ if (tss)
+ plist_free(tss);
+ plist_free(buildmanifest);
+ return -1;
+ }
+ }
+
+ // if the device is in DFU mode, place device into recovery mode
+ if (idevicerestore_mode == DFU_MODE) {
+ if (dfu_enter_recovery(ipsw, tss) < 0) {
+ error("ERROR: Unable to place device into recovery mode\n");
+ plist_free(buildmanifest);
+ if (tss)
+ plist_free(tss);
+ return -1;
+ }
+ }
+
+ // if the device is in recovery mode, place device into restore mode
+ if (idevicerestore_mode == RECOVERY_MODE) {
+ if (recovery_enter_restore(uuid, ipsw, tss) < 0) {
+ error("ERROR: Unable to place device into restore mode\n");
+ plist_free(buildmanifest);
+ if (tss)
+ plist_free(tss);
+ return -1;
+ }
+ }
+
+ // device is finally in restore mode, let's do this
+ if (idevicerestore_mode == RESTORE_MODE) {
+ info("Restoring device... \n");
+ if (restore_device(uuid, ipsw, tss, filesystem) < 0) {
+ error("ERROR: Unable to restore device\n");
+ return -1;
+ }
+ }
+
+ // device has finished restoring, lets see if we need to activate
+ if (idevicerestore_mode == NORMAL_MODE) {
+ info("Checking activation status\n");
+ int activation = activate_check_status(uuid);
+ if (activation < 0) {
+ error("ERROR: Unable to check activation status\n");
+ return -1;
+ }
+
+ if (activation == 0) {
+ info("Activating device... \n");
+ if (activate_device(uuid) < 0) {
+ error("ERROR: Unable to activate device\n");
+ return -1;
+ }
+ }
+ }
+
+ info("Cleaning up...\n");
+ if (filesystem)
+ unlink(filesystem);
+
+ info("DONE\n");
+ return 0;
+}
int check_mode(const char* uuid) {
idevicerestore_mode_t mode = UNKNOWN_MODE;
@@ -87,14 +312,14 @@ int check_mode(const char* uuid) {
return mode;
}
-int get_device(const char* uuid) {
+int check_device(const char* uuid) {
uint32_t bdid = 0;
uint32_t cpid = 0;
idevicerestore_device_t device = UNKNOWN_DEVICE;
switch (idevicerestore_mode) {
case NORMAL_MODE:
- device = normal_get_device(uuid);
+ device = normal_check_device(uuid);
if (device < 0) {
device = UNKNOWN_DEVICE;
}
@@ -175,6 +400,7 @@ int get_bdid(const char* uuid, uint32_t* bdid) {
}
break;
+ case DFU_MODE:
case RECOVERY_MODE:
if (recovery_get_bdid(bdid) < 0) {
*bdid = -1;
@@ -182,13 +408,6 @@ int get_bdid(const char* uuid, uint32_t* bdid) {
}
break;
- case DFU_MODE:
- if (dfu_get_bdid(bdid) < 0) {
- *bdid = -1;
- return -1;
- }
- break;
-
default:
error("ERROR: Device is in an invalid state\n");
return -1;
@@ -206,6 +425,7 @@ int get_cpid(const char* uuid, uint32_t* cpid) {
}
break;
+ case DFU_MODE:
case RECOVERY_MODE:
if (recovery_get_cpid(cpid) < 0) {
*cpid = 0;
@@ -213,13 +433,6 @@ int get_cpid(const char* uuid, uint32_t* cpid) {
}
break;
- case DFU_MODE:
- if (dfu_get_cpid(cpid) < 0) {
- *cpid = 0;
- return -1;
- }
- break;
-
default:
error("ERROR: Device is in an invalid state\n");
return -1;
@@ -237,6 +450,7 @@ int get_ecid(const char* uuid, uint64_t* ecid) {
}
break;
+ case DFU_MODE:
case RECOVERY_MODE:
if (recovery_get_ecid(ecid) < 0) {
*ecid = 0;
@@ -244,13 +458,6 @@ int get_ecid(const char* uuid, uint64_t* ecid) {
}
break;
- case DFU_MODE:
- if (dfu_get_ecid(ecid) < 0) {
- *ecid = 0;
- return -1;
- }
- break;
-
default:
error("ERROR: Device is in an invalid state\n");
return -1;
@@ -292,7 +499,7 @@ plist_t get_build_identity(plist_t buildmanifest, uint32_t identity) {
}
// check and make sure this identity exists in buildmanifest
- if(identity >= plist_array_get_size(build_identities_array)) {
+ if (identity >= plist_array_get_size(build_identities_array)) {
return NULL;
}
@@ -302,18 +509,35 @@ plist_t get_build_identity(plist_t buildmanifest, uint32_t identity) {
return NULL;
}
- return build_identity;
+ return plist_copy(build_identity);
+}
+
+int get_shsh_blobs(uint64_t ecid, plist_t build_identity, plist_t* tss) {
+ plist_t request = NULL;
+ plist_t response = NULL;
+ *tss = NULL;
+
+ request = tss_create_request(build_identity, ecid);
+ if (request == NULL) {
+ error("ERROR: Unable to create TSS request\n");
+ return -1;
+ }
+
+ info("Sending TSS request\n");
+ response = tss_send_request(request);
+ if (response == NULL) {
+ plist_free(request);
+ return -1;
+ }
+
+ plist_free(request);
+ *tss = response;
+ return 0;
}
int extract_filesystem(const char* ipsw, plist_t build_identity, char** filesystem) {
char* filename = NULL;
- int sz = 0;
- char* xml = NULL;
- plist_to_xml(build_identity, &xml, &sz);
- debug("%s", xml);
- free(xml);
-
plist_t manifest_node = plist_dict_get_item(build_identity, "Manifest");
if (!manifest_node || plist_get_node_type(manifest_node) != PLIST_DICT) {
error("ERROR: Unable to find manifest node\n");
@@ -349,538 +573,79 @@ int extract_filesystem(const char* ipsw, plist_t build_identity, char** filesyst
return 0;
}
-int main(int argc, char* argv[]) {
- int opt = 0;
- char* ipsw = NULL;
- char* uuid = NULL;
- uint64_t ecid = 0;
- while ((opt = getopt(argc, argv, "vdhceu:")) > 0) {
- switch (opt) {
- case 'h':
- usage(argc, argv);
- break;
-
- case 'd':
- idevicerestore_debug = 1;
- break;
-
- case 'e':
- idevicerestore_erase = 1;
- break;
-
- case 'c':
- idevicerestore_custom = 1;
- break;
-
- case 'v':
- idevicerestore_verbose = 1;
- break;
-
- case 'u':
- uuid = optarg;
- break;
-
- default:
- usage(argc, argv);
- return -1;
- }
- }
-
- argc -= optind;
- argv += optind;
-
- if (argc == 1)
- ipsw = argv[0];
-
- if (ipsw == NULL) {
- usage(argc, argv);
- error("ERROR: Please supply an IPSW\n");
- return -1;
- }
-
- // check which mode the device is currently in so we know where to start
- idevicerestore_mode = check_mode(uuid);
- if (idevicerestore_mode < 0) {
- error("ERROR: Unable to discover device current mode\n");
- return -1;
- }
-
- // discover the device type
- idevicerestore_device = get_device(uuid);
- if (idevicerestore_device < 0) {
- error("ERROR: Unable to discover device type\n");
- return -1;
- }
-
- // extract buildmanifest
- plist_t buildmanifest = NULL;
- info("Extracting BuildManifest from IPSW\n");
- if (extract_buildmanifest(ipsw, &buildmanifest) < 0) {
- error("ERROR: Unable to extract BuildManifest from %s\n", ipsw);
- return -1;
- }
-
- // choose whether this is an upgrade or a restore (default to upgrade)
- plist_t build_identity = NULL;
- if(idevicerestore_erase) {
- build_identity = get_build_identity(buildmanifest, 0);
- if(build_identity == NULL) {
- error("ERROR: Unable to find build any identities\n");
- plist_free(buildmanifest);
- return -1;
- }
-
- } else {
- build_identity = get_build_identity(buildmanifest, 1);
- if(build_identity == NULL) {
- build_identity = get_build_identity(buildmanifest, 0);
- if(build_identity == NULL) {
- error("ERROR: Unable to find build any identities\n");
- plist_free(buildmanifest);
- return -1;
- }
- info("No upgrade ramdisk found, default to full restore\n");
- }
- }
-
- // devices are listed in order from oldest to newest
- // devices that come after iPod2g require personalized firmwares
- plist_t tss_request = NULL;
- plist_t tss = NULL;
- if(idevicerestore_device > IPOD2G_DEVICE) {
-
- info("Creating TSS request\n");
- // fetch the device's ECID for the TSS request
- if (get_ecid(uuid, &ecid) < 0 || ecid == 0) {
- error("ERROR: Unable to find device ECID\n");
- return -1;
- }
- info("Found ECID %llu\n", ecid);
-
- tss_request = tss_create_request(build_identity, ecid);
- if (tss_request == NULL) {
- error("ERROR: Unable to create TSS request\n");
- plist_free(buildmanifest);
- return -1;
- }
-
- info("Sending TSS request\n");
- tss = tss_send_request(tss_request);
- if (tss == NULL) {
- error("ERROR: Unable to get response from TSS server\n");
- plist_free(tss_request);
- return -1;
- }
- info("Got TSS response\n");
- plist_free(tss_request);
- }
-
- // Extract filesystem from IPSW and return its name
- char* filesystem = NULL;
- if(extract_filesystem(ipsw, build_identity, &filesystem) < 0) {
- error("ERROR: Unable to extract filesystem from IPSW\n");
- if(tss) plist_free(tss);
- plist_free(buildmanifest);
- return -1;
- }
-
- // place device into recovery mode if required
- if (idevicerestore_mode == NORMAL_MODE) {
- info("Entering recovery mode...\n");
- if (normal_enter_recovery(uuid) < 0) {
- error("ERROR: Unable to place device into recovery mode\n");
- if(tss) plist_free(tss);
- plist_free(buildmanifest);
- return -1;
- }
- }
-
- // place device into restore mode if required
- if (idevicerestore_mode == RECOVERY_MODE) {
- if (recovery_enter_restore(ipsw, tss) < 0) {
- error("ERROR: Unable to place device into restore mode\n");
- if(tss) plist_free(tss);
- plist_free(buildmanifest);
- return -1;
- }
- }
-
- idevice_event_subscribe(&device_callback, NULL);
- info("Waiting for device to enter restore mode\n");
- // block program until device has entered restore mode
- while (idevicerestore_mode != RESTORE_MODE) {
- sleep(1);
- }
-
- 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;
- if (get_signed_component_by_name(ipsw, tss, "KernelCache", &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);
- plist_free(tss);
- idevice_free(device);
- unlink(filesystem);
- return 0;
-}
-
-void device_callback(const idevice_event_t* event, void *user_data) {
- if (event->event == IDEVICE_DEVICE_ADD) {
- idevicerestore_mode = RESTORE_MODE;
- } else if (event->event == IDEVICE_DEVICE_REMOVE) {
- idevicerestore_quit = 1;
- }
-}
-
-void usage(int argc, char* argv[]) {
- char *name = strrchr(argv[0], '/');
- printf("Usage: %s [OPTIONS] FILE\n", (name ? name + 1 : argv[0]));
- printf("Restore/upgrade IPSW firmware FILE to an iPhone/iPod Touch.\n");
- printf(" -d, \t\tenable communication debugging\n");
- printf(" -u, \t\ttarget specific device by its 40-digit device UUID\n");
- printf(" -h, \t\tprints usage information\n");
- printf(" -c, \t\trestore with a custom firmware\n");
- printf(" -v, \t\tenable verbose output\n");
- printf("\n");
-}
-
-int write_file(const char* filename, char* data, int size) {
- debug("Writing data to %s\n", filename);
- FILE* file = fopen(filename, "wb");
- if (file == NULL) {
- error("read_file: Unable to open file %s\n", filename);
- return -1;
- }
-
- int bytes = fwrite(data, 1, size, file);
- fclose(file);
-
- if (bytes != size) {
- error("ERROR: Unable to write entire file: %s: %d %d\n", filename, bytes, size);
- return -1;
- }
-
- return size;
-}
-
-int get_tss_data_by_path(plist_t tss, const char* path, char** pname, char** pblob) {
- *pname = NULL;
- *pblob = NULL;
-
- char* key = NULL;
- plist_t tss_entry = NULL;
- plist_dict_iter iter = NULL;
- plist_dict_new_iter(tss, &iter);
- while (1) {
- plist_dict_next_item(tss, iter, &key, &tss_entry);
- if (key == NULL)
- break;
-
- if (!tss_entry || plist_get_node_type(tss_entry) != PLIST_DICT) {
- continue;
- }
-
- char* entry_path = NULL;
- plist_t entry_path_node = plist_dict_get_item(tss_entry, "Path");
- if (!entry_path_node || plist_get_node_type(entry_path_node) != PLIST_STRING) {
- error("ERROR: Unable to find TSS path node in entry %s\n", key);
- return -1;
- }
- plist_get_string_val(entry_path_node, &entry_path);
- if (strcmp(path, entry_path) == 0) {
- char* blob = NULL;
- uint64_t blob_size = 0;
- plist_t blob_node = plist_dict_get_item(tss_entry, "Blob");
- if (!blob_node || plist_get_node_type(blob_node) != PLIST_DATA) {
- error("ERROR: Unable to find TSS blob node in entry %s\n", key);
- return -1;
- }
- plist_get_data_val(blob_node, &blob, &blob_size);
- *pname = key;
- *pblob = blob;
- return 0;
- }
-
- free(key);
- }
- plist_free(tss_entry);
-
- return -1;
-}
-
-int get_tss_data_by_name(plist_t tss, const char* entry, char** ppath, char** pblob) {
- *ppath = NULL;
- *pblob = NULL;
-
- plist_t node = plist_dict_get_item(tss, entry);
- if (!node || plist_get_node_type(node) != PLIST_DICT) {
- error("ERROR: Unable to find %s entry in TSS response\n", entry);
- return -1;
- }
-
- char* path = NULL;
- plist_t path_node = plist_dict_get_item(node, "Path");
- if (!path_node || plist_get_node_type(path_node) != PLIST_STRING) {
- error("ERROR: Unable to find %s path in entry\n", path);
- return -1;
- }
- plist_get_string_val(path_node, &path);
-
- char* blob = NULL;
- uint64_t blob_size = 0;
- plist_t blob_node = plist_dict_get_item(node, "Blob");
- if (!blob_node || plist_get_node_type(blob_node) != PLIST_DATA) {
- error("ERROR: Unable to find %s blob in entry\n", path);
- free(path);
- return -1;
- }
- plist_get_data_val(blob_node, &blob, &blob_size);
-
- *ppath = path;
- *pblob = blob;
- return 0;
-}
-
-int get_signed_component_by_name(char* ipsw, plist_t tss, char* component, char** pdata, int* psize) {
- int size = 0;
- char* data = NULL;
- char* path = NULL;
- char* blob = NULL;
+int get_signed_component(char* ipsw, plist_t tss, const char* path, char** data, uint32_t* size) {
img3_file* img3 = NULL;
- irecv_error_t error = 0;
-
- info("Extracting %s from TSS response\n", component);
- if (get_tss_data_by_name(tss, component, &path, &blob) < 0) {
- error("ERROR: Unable to get data for TSS %s entry\n", component);
- return -1;
- }
+ uint32_t component_size = 0;
+ char* component_data = NULL;
+ char* component_blob = NULL;
info("Extracting %s from %s\n", path, ipsw);
- if (ipsw_extract_to_memory(ipsw, path, &data, &size) < 0) {
+ if (ipsw_extract_to_memory(ipsw, path, &component_data, &component_size) < 0) {
error("ERROR: Unable to extract %s from %s\n", path, ipsw);
- free(path);
- free(blob);
return -1;
}
- img3 = img3_parse_file(data, size);
+ img3 = img3_parse_file(component_data, component_size);
if (img3 == NULL) {
error("ERROR: Unable to parse IMG3: %s\n", path);
- free(data);
- free(path);
- free(blob);
+ free(component_data);
return -1;
}
- if (data) {
- free(data);
- data = NULL;
+ free(component_data);
+
+ if (tss_get_blob_by_path(tss, path, &component_blob) < 0) {
+ error("ERROR: Unable to get SHSH blob for TSS %s entry\n", path);
+ img3_free(img3);
+ return -1;
}
- if (idevicerestore_custom == 0) {
- if (img3_replace_signature(img3, blob) < 0) {
+ if (idevicerestore_device > IPOD2G_DEVICE && idevicerestore_custom == 0) {
+ if (img3_replace_signature(img3, component_blob) < 0) {
error("ERROR: Unable to replace IMG3 signature\n");
- free(path);
- free(blob);
+ free(component_blob);
+ img3_free(img3);
return -1;
}
}
+ free(component_blob);
- if (img3_get_data(img3, &data, &size) < 0) {
+ if (img3_get_data(img3, &component_data, &component_size) < 0) {
error("ERROR: Unable to reconstruct IMG3\n");
img3_free(img3);
- free(path);
return -1;
}
+ img3_free(img3);
if (idevicerestore_debug) {
char* out = strrchr(path, '/');
if (out != NULL) {
out++;
} else {
- out = path;
+ out = (char*) path;
}
- write_file(out, data, size);
- }
-
- if (img3) {
- img3_free(img3);
- img3 = NULL;
- }
- if (blob) {
- free(blob);
- blob = NULL;
- }
- if (path) {
- free(path);
- path = NULL;
+ write_file(out, component_data, component_size);
}
- *pdata = data;
- *psize = size;
+ *data = component_data;
+ *size = component_size;
return 0;
}
-int get_signed_component_by_path(char* ipsw, plist_t tss, char* path, char** pdata, int* psize) {
- int size = 0;
- char* data = NULL;
- char* name = NULL;
- char* blob = NULL;
- img3_file* img3 = NULL;
- irecv_error_t error = 0;
-
- info("Extracting %s from TSS response\n", path);
- if (get_tss_data_by_path(tss, path, &name, &blob) < 0) {
- error("ERROR: Unable to get data for TSS %s entry\n", path);
- return -1;
- }
-
- info("Extracting %s from %s\n", path, ipsw);
- if (ipsw_extract_to_memory(ipsw, path, &data, &size) < 0) {
- error("ERROR: Unable to extract %s from %s\n", path, ipsw);
- free(path);
- free(blob);
- return -1;
- }
-
- img3 = img3_parse_file(data, size);
- if (img3 == NULL) {
- error("ERROR: Unable to parse IMG3: %s\n", path);
- free(data);
- free(path);
- free(blob);
+int write_file(const char* filename, const char* data, uint32_t size) {
+ info("Writing data to %s\n", filename);
+ FILE* file = fopen(filename, "wb");
+ if (file == NULL) {
+ error("read_file: Unable to open file %s\n", filename);
return -1;
}
- if (data) {
- free(data);
- data = NULL;
- }
- if (idevicerestore_custom == 0) {
- if (img3_replace_signature(img3, blob) < 0) {
- error("ERROR: Unable to replace IMG3 signature\n");
- free(name);
- free(blob);
- return -1;
- }
- }
+ int bytes = fwrite(data, 1, size, file);
+ fclose(file);
- if (img3_get_data(img3, &data, &size) < 0) {
- error("ERROR: Unable to reconstruct IMG3\n");
- img3_free(img3);
- free(name);
+ if (bytes != size) {
+ error("ERROR: Unable to write entire file: %s: %d %d\n", filename, bytes, size);
return -1;
}
- if (idevicerestore_debug) {
- char* out = strrchr(path, '/');
- if (out != NULL) {
- out++;
- } else {
- out = path;
- }
- write_file(out, data, size);
- }
-
- if (img3) {
- img3_free(img3);
- img3 = NULL;
- }
- if (blob) {
- free(blob);
- blob = NULL;
- }
- if (path) {
- free(name);
- name = NULL;
- }
-
- *pdata = data;
- *psize = size;
- return 0;
+ return size;
}
© 2009-2020 libimobiledevice.org - All rights reserved - Generated by cgit - Icons from Tango - Uses Google Analytics