diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.am | 4 | ||||
| -rw-r--r-- | src/asr.c | 292 | ||||
| -rw-r--r-- | src/asr.h | 45 | ||||
| -rw-r--r-- | src/common.c | 110 | ||||
| -rw-r--r-- | src/common.h | 154 | ||||
| -rw-r--r-- | src/dfu.c | 127 | ||||
| -rw-r--r-- | src/dfu.h | 26 | ||||
| -rw-r--r-- | src/idevicerestore.c | 949 | ||||
| -rw-r--r-- | src/idevicerestore.h | 31 | ||||
| -rw-r--r-- | src/img3.c | 143 | ||||
| -rw-r--r-- | src/img3.h | 71 | ||||
| -rw-r--r-- | src/ipsw.c | 13 | ||||
| -rw-r--r-- | src/ipsw.h | 15 | ||||
| -rw-r--r-- | src/normal.c | 312 | ||||
| -rw-r--r-- | src/normal.h | 32 | ||||
| -rw-r--r-- | src/recovery.c | 398 | ||||
| -rw-r--r-- | src/recovery.h | 44 | ||||
| -rw-r--r-- | src/restore.c | 685 | ||||
| -rw-r--r-- | src/restore.h | 44 | ||||
| -rw-r--r-- | src/tss.c | 143 | ||||
| -rw-r--r-- | src/tss.h | 21 |
21 files changed, 2662 insertions, 997 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 6840a0c..a4c8fc3 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -18,6 +18,6 @@ AM_LDFLAGS =\ bin_PROGRAMS = idevicerestore -idevicerestore_SOURCES = idevicerestore.c dfu.c tss.c img3.c ipsw.c normal.c restore.c recovery.c +idevicerestore_SOURCES = idevicerestore.c common.c tss.c img3.c ipsw.c normal.c dfu.c recovery.c restore.c asr.c idevicerestore_CFLAGS = $(AM_CFLAGS) -idevicerestore_LDFLAGS = $(AM_LDFLAGS)
\ No newline at end of file +idevicerestore_LDFLAGS = $(AM_LDFLAGS) diff --git a/src/asr.c b/src/asr.c new file mode 100644 index 0000000..2331660 --- /dev/null +++ b/src/asr.c @@ -0,0 +1,292 @@ +/* + * asr.h + * Functions for handling asr connections + * + * 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/libimobiledevice.h> + +#include "asr.h" +#include "idevicerestore.h" + +#define ASR_PORT 12345 +#define ASR_BUFFER_SIZE 65536 + +int asr_open_with_timeout(idevice_t device, idevice_connection_t* asr) { + int i = 0; + int attempts = 10; + idevice_connection_t connection = NULL; + idevice_error_t device_error = IDEVICE_E_SUCCESS; + + *asr = NULL; + + if (device == NULL) { + return -1; + } + + debug("Connecting to ASR\n"); + for (i = 1; i <= attempts; i++) { + device_error = idevice_connect(device, ASR_PORT, &connection); + if (device_error == IDEVICE_E_SUCCESS) { + break; + } + + if (i >= attempts) { + error("ERROR: Unable to connect to ASR client\n"); + return -1; + } + + sleep(2); + debug("Retrying connection...\n"); + } + + *asr = connection; + return 0; +} + +int asr_receive(idevice_connection_t asr, plist_t* data) { + uint32_t size = 0; + char* buffer = NULL; + plist_t request = NULL; + idevice_error_t device_error = IDEVICE_E_SUCCESS; + + *data = NULL; + + buffer = (char*) malloc(ASR_BUFFER_SIZE); + if (buffer == NULL) { + error("ERROR: Unable to allocate memory for ASR receive buffer\n"); + return -1; + } + memset(buffer, '\0', ASR_BUFFER_SIZE); + + device_error = idevice_connection_receive(asr, buffer, ASR_BUFFER_SIZE, &size); + if (device_error != IDEVICE_E_SUCCESS) { + error("ERROR: Unable to receive data from ASR\n"); + free(buffer); + return -1; + } + plist_from_xml(buffer, size, &request); + + *data = request; + + debug("Received %d bytes:\n%s\n", size, buffer); + free(buffer); + return 0; +} + +int asr_send(idevice_connection_t asr, plist_t* data) { + uint32_t size = 0; + char* buffer = NULL; + + plist_to_xml(data, &buffer, &size); + if (asr_send_buffer(asr, buffer, size) < 0) { + error("ERROR: Unable to send plist to ASR\n"); + free(buffer); + return -1; + } + + debug("Sent %d bytes:\n", size); + debug_plist(data); + free(buffer); + return 0; +} + +int asr_send_buffer(idevice_connection_t asr, const char* data, uint32_t size) { + uint32_t bytes = 0; + idevice_error_t device_error = IDEVICE_E_SUCCESS; + + device_error = idevice_connection_send(asr, data, size, &bytes); + if (device_error != IDEVICE_E_SUCCESS || bytes != size) { + error("ERROR: Unable to send data to ASR\n"); + return -1; + } + + return 0; +} + +void asr_close(idevice_connection_t asr) { + if (asr != NULL) { + idevice_disconnect(asr); + asr = NULL; + } +} + +int asr_perform_validation(idevice_connection_t asr, const char* filesystem) { + FILE* file = NULL; + uint64_t length = 0; + char* command = NULL; + plist_t node = NULL; + plist_t packet = NULL; + plist_t packet_info = NULL; + plist_t payload_info = NULL; + + file = fopen(filesystem, "rb"); + if (file == NULL) { + return -1; + } + + fseek(file, 0, SEEK_END); + length = ftell(file); + fseek(file, 0, SEEK_SET); + + payload_info = plist_new_dict(); + plist_dict_insert_item(payload_info, "Port", plist_new_uint(1)); + plist_dict_insert_item(payload_info, "Size", plist_new_uint(length)); + + packet_info = plist_new_dict(); + plist_dict_insert_item(packet_info, "FEC Slice Stride", plist_new_uint(40)); + plist_dict_insert_item(packet_info, "Packet Payload Size", plist_new_uint(1450)); + plist_dict_insert_item(packet_info, "Packets Per FEC", plist_new_uint(25)); + plist_dict_insert_item(packet_info, "Payload", payload_info); + plist_dict_insert_item(packet_info, "Stream ID", plist_new_uint(1)); + plist_dict_insert_item(packet_info, "Version", plist_new_uint(1)); + + if (asr_send(asr, packet_info)) { + error("ERROR: Unable to sent packet information to ASR\n"); + plist_free(packet_info); + return -1; + } + plist_free(packet_info); + + while (1) { + if (asr_receive(asr, &packet) < 0) { + error("ERROR: Unable to receive validation packet\n"); + return -1; + } + + node = plist_dict_get_item(packet, "Command"); + if (!node || plist_get_node_type(node) != PLIST_STRING) { + error("ERROR: Unable to find command node in validation request\n"); + return -1; + } + plist_get_string_val(node, &command); + + if (!strcmp(command, "OOBData")) { + asr_handle_oob_data_request(asr, packet, file); + + + plist_free(packet); + + } else if(!strcmp(command, "Payload")) { + plist_free(packet); + break; + + } else { + error("ERROR: Unknown command received from ASR\n"); + plist_free(packet); + return -1; + } + } + + return 0; +} + +int asr_handle_oob_data_request(idevice_connection_t asr, plist_t packet, FILE* file) { + char* oob_data = NULL; + uint64_t oob_offset = 0; + uint64_t oob_length = 0; + plist_t oob_length_node = NULL; + plist_t oob_offset_node = NULL; + + oob_length_node = plist_dict_get_item(packet, "OOB Length"); + if (!oob_length_node || PLIST_UINT != plist_get_node_type(oob_length_node)) { + error("ERROR: Unable to find OOB data length\n"); + return -1; + } + plist_get_uint_val(oob_length_node, &oob_length); + + oob_offset_node = plist_dict_get_item(packet, "OOB Offset"); + if (!oob_offset_node || PLIST_UINT != plist_get_node_type(oob_offset_node)) { + error("ERROR: Unable to find OOB data offset\n"); + return -1; + } + plist_get_uint_val(oob_offset_node, &oob_offset); + + oob_data = (char*) malloc(oob_length); + if (oob_data == NULL) { + error("ERROR: Out of memory\n"); + plist_free(packet); + return -1; + } + + fseek(file, oob_offset, SEEK_SET); + if (fread(oob_data, 1, oob_length, file) != oob_length) { + error("ERROR: Unable to read OOB data from filesystem offset\n"); + plist_free(packet); + free(oob_data); + return -1; + } + + if (asr_send_buffer(asr, oob_data, oob_length) < 0) { + error("ERROR: Unable to send OOB data to ASR\n"); + plist_free(packet); + free(oob_data); + return -1; + } + free(oob_data); + return 0; +} + +int asr_send_payload(idevice_connection_t asr, const char* filesystem) { + int i = 0; + char data[1450]; + FILE* file = NULL; + uint32_t bytes = 0; + uint32_t count = 0; + uint32_t length = 0; + double progress = 0; + + file = fopen(filesystem, "rb"); + if (file == NULL) { + return -1; + } + + fseek(file, 0, SEEK_END); + length = ftell(file); + fseek(file, 0, SEEK_SET); + + for(i = length; i > 0; i -= 1450) { + int size = 1450; + if (i < 1450) { + size = i; + } + + if (fread(data, 1, size, file) != (unsigned int) size) { + error("Error reading filesystem\n"); + fclose(file); + return -1; + } + + if (asr_send_buffer(asr, data, size) < 0) { + error("ERROR: Unable to send filesystem payload\n"); + fclose(file); + return -1; + } + + bytes += size; + progress = ((double) bytes/ (double) length) * 100.0; + print_progress_bar(progress); + + } + + fclose(file); + return 0; +} diff --git a/src/asr.h b/src/asr.h new file mode 100644 index 0000000..1423496 --- /dev/null +++ b/src/asr.h @@ -0,0 +1,45 @@ +/* + * asr.h + * Functions for handling asr connections + * + * 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 + */ + +#ifndef IDEVICERESTORE_ASR_H +#define IDEVICERESTORE_ASR_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <libimobiledevice/libimobiledevice.h> + +int asr_open_with_timeout(idevice_t device, idevice_connection_t* asr); +int asr_send(idevice_connection_t asr, plist_t* data); +int asr_receive(idevice_connection_t asr, plist_t* data); +int asr_send_buffer(idevice_connection_t asr, const char* data, uint32_t size); +void asr_close(idevice_connection_t asr); +int asr_perform_validation(idevice_connection_t asr, const char* filesystem); +int asr_send_payload(idevice_connection_t asr, const char* filesystem); +int asr_handle_oob_data_request(idevice_connection_t asr, plist_t packet, FILE* file); + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/common.c b/src/common.c new file mode 100644 index 0000000..8e76697 --- /dev/null +++ b/src/common.c @@ -0,0 +1,110 @@ +/* + * common.c + * Misc functions used in idevicerestore + * + * 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 "common.h" + +int idevicerestore_debug = 0; + +int write_file(const char* filename, const void* data, size_t size) { + size_t bytes = 0; + FILE* file = NULL; + + debug("Writing data to %s\n", filename); + file = fopen(filename, "wb"); + if (file == NULL) { + error("read_file: Unable to open file %s\n", filename); + return -1; + } + + bytes = fwrite(data, 1, size, file); + fclose(file); + + if (bytes != size) { + error("ERROR: Unable to write entire file: %s: %d of %d\n", filename, bytes, size); + return -1; + } + + return size; +} + +int read_file(const char* filename, void** data, size_t* size) { + size_t bytes = 0; + size_t length = 0; + FILE* file = NULL; + char* buffer = NULL; + debug("Reading data from %s\n", filename); + + *size = 0; + *data = NULL; + + file = fopen(filename, "rb"); + if (file == NULL) { + error("read_file: File %s not found\n", filename); + return -1; + } + + fseek(file, 0, SEEK_END); + length = ftell(file); + rewind(file); + + buffer = (char*) malloc(length); + if (buffer == NULL) { + error("ERROR: Out of memory\n"); + fclose(file); + return -1; + } + bytes = fread(buffer, 1, length, file); + fclose(file); + + if (bytes != length) { + error("ERROR: Unable to read entire file\n"); + free(buffer); + return -1; + } + + *size = length; + *data = buffer; + return 0; +} + +void debug_plist(plist_t plist) { + int size = 0; + char* data = NULL; + plist_to_xml(plist, &data, &size); + info("%s", data); + free(data); +} + +void print_progress_bar(double progress) { + int i = 0; + if(progress < 0) return; + if(progress > 100) progress = 100; + info("\r["); + for(i = 0; i < 50; i++) { + if(i < progress / 2) info("="); + else info(" "); + } + info("] %3.1f%%", progress); + if(progress == 100) info("\n"); + fflush(stdout); +} diff --git a/src/common.h b/src/common.h new file mode 100644 index 0000000..f8c0ae0 --- /dev/null +++ b/src/common.h @@ -0,0 +1,154 @@ +/* + * common.h + * Misc functions used in idevicerestore + * + * 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 + */ + +#ifndef IDEVICERESTORE_COMMON_H +#define IDEVICERESTORE_COMMON_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <plist/plist.h> + +#define info(...) printf(__VA_ARGS__) +#define error(...) fprintf(stderr, __VA_ARGS__) +#define debug(...) if(idevicerestore_debug) fprintf(stderr, __VA_ARGS__) + +#define CPID_UNKNOWN -1 +#define CPID_IPHONE2G 8900 +#define CPID_IPOD1G 8900 +#define CPID_IPHONE3G 8900 +#define CPID_IPOD2G 8720 +#define CPID_IPHONE3GS 8920 +#define CPID_IPOD3G 8922 +#define CPID_IPAD1G 8930 +#define CPID_IPHONE4 8930 + +#define BDID_UNKNOWN -1 +#define BDID_IPHONE2G 0 +#define BDID_IPOD1G 2 +#define BDID_IPHONE3G 4 +#define BDID_IPOD2G 0 +#define BDID_IPHONE3GS 0 +#define BDID_IPOD3G 2 +#define BDID_IPAD1G 2 +#define BDID_IPHONE4 0 + +#define DEVICE_UNKNOWN -1 +#define DEVICE_IPHONE2G 0 +#define DEVICE_IPOD1G 1 +#define DEVICE_IPHONE3G 2 +#define DEVICE_IPOD2G 3 +#define DEVICE_IPHONE3GS 4 +#define DEVICE_IPOD3G 5 +#define DEVICE_IPAD1G 6 +#define DEVICE_IPHONE4 7 + +#define MODE_UNKNOWN -1 +#define MODE_DFU 0 +#define MODE_RECOVERY 1 +#define MODE_RESTORE 2 +#define MODE_NORMAL 3 + +#define FLAG_QUIT 1 +#define FLAG_DEBUG 2 +#define FLAG_ERASE 4 +#define FLAG_CUSTOM 8 +#define FLAG_EXCLUDE 16 + +struct dfu_client_t; +struct normal_client_t; +struct restore_clien_t; +struct recovery_client_t; + +struct idevicerestore_mode_t { + int index; + const char* string; +}; + +struct idevicerestore_entry_t { + char* name; + char* path; + char* filename; + char* blob_data; + uint32_t blob_size; + struct idevicerestore_entry* next; + struct idevicerestore_entry* prev; +}; + +struct idevicerestore_device_t { + int index; + const char* product; + const char* model; + uint32_t board_id; + uint32_t chip_id; +}; + +struct idevicerestore_client_t { + int flags; + plist_t tss; + uint64_t ecid; + const char* uuid; + const char* ipsw; + const char* filesystem; + struct dfu_client_t* dfu; + struct normal_client_t* normal; + struct restore_client_t* restore; + struct recovery_client_t* recovery; + struct idevicerestore_device_t* device; + struct idevicerestore_entry_t** entries; + struct idevicerestore_mode_t* mode; +}; + +static struct idevicerestore_mode_t idevicerestore_modes[] = { + { 0, "DFU" }, + { 1, "Recovery" }, + { 2, "Restore" }, + { 3, "Normal" }, + { -1, NULL } +}; + +static struct idevicerestore_device_t idevicerestore_devices[] = { + { 0, "iPhone1,1", "M68AP", 0, 8900 }, + { 1, "iPod1,1", "N45AP", 2, 8900 }, + { 2, "iPhone1,2", "N82AP", 4, 8900 }, + { 3, "iPod2,1", "N72AP", 0, 8720 }, + { 4, "iPhone2,1", "N88AP", 0, 8920 }, + { 5, "iPod3,1", "N18AP", 2, 8922 }, + { 6, "iPad1,1", "K48AP", 2, 8930 }, + { 7, "iPhone3,1", "N90AP", 0, 8930 }, + { -1, NULL, NULL, -1, -1 } +}; + +extern int idevicerestore_debug; + +void debug_plist(plist_t plist); +void print_progress_bar(double progress); +int read_file(const char* filename, void** data, size_t* size); +int write_file(const char* filename, const void* data, size_t size); + +extern struct idevicerestore_client_t* idevicerestore; + +#ifdef __cplusplus +} +#endif + +#endif @@ -19,10 +19,133 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <libirecovery.h> #include "dfu.h" +#include "recovery.h" +#include "idevicerestore.h" -int dfu_get_ecid(uint64_t* ecid) { +int dfu_progress_callback(irecv_client_t client, const irecv_event_t* event) { + if (event->type == IRECV_PROGRESS) { + print_progress_bar(event->progress); + } return 0; } + +int dfu_client_new(struct idevicerestore_client_t* client, uint32_t timeout) { + struct dfu_client_t* dfu = NULL; + if(client == NULL) { + return -1; + } + + if(client->dfu) { + dfu_client_free(client); + } + + dfu = (struct dfu_client_t*) malloc(sizeof(struct dfu_client_t)); + if (dfu == NULL) { + error("ERROR: Out of memory\n"); + return -1; + } + + if (dfu_open_with_timeout(dfu, timeout) < 0) { + dfu_client_free(client); + return -1; + } + + if(dfu->client->mode != kDfuMode) { + dfu_client_free(client); + return -1; + } + + client->dfu = dfu; + return 0; +} + +void dfu_client_free(struct idevicerestore_client_t* client) { + struct dfu_client_t* dfu = NULL; + if(client != NULL) { + dfu = client->dfu; + if (dfu != NULL) { + if(dfu->client != NULL) { + irecv_close(dfu->client); + dfu->client = NULL; + } + free(dfu); + } + client->dfu = NULL; + } +} + +int dfu_open_with_timeout(struct idevicerestore_client_t* client, uint32_t timeout) { + int i = 0; + irecv_client_t recovery = NULL; + irecv_error_t recovery_error = IRECV_E_UNKNOWN_ERROR; + + for (i = 1; i <= timeout; i++) { + recovery_error = irecv_open(&recovery); + if (recovery_error == IRECV_E_SUCCESS) { + break; + } + + if (i == timeout) { + error("ERROR: Unable to connect to device in DFU mode\n"); + return -1; + } + + sleep(1); + debug("Retrying connection...\n"); + } + + irecv_event_subscribe(recovery, IRECV_PROGRESS, &dfu_progress_callback, NULL); + client->dfu->client = recovery; + return 0; +} + +int dfu_check_mode() { + return -1; +} + +int dfu_enter_recovery(struct idevicerestore_client_t* client, plist_t build_identity) { + irecv_client_t dfu = NULL; + const char* component = "iBSS"; + irecv_error_t dfu_error = IRECV_E_SUCCESS; + + if (recovery_open_with_timeout(client) < 0 || dfu->mode != kDfuMode) { + error("ERROR: Unable to connect to DFU device\n"); + if (dfu) + irecv_close(dfu); + return -1; + } + + if (recovery_send_component(client, build_identity, component) < 0) { + error("ERROR: Unable to send %s to device\n", component); + irecv_close(dfu); + return -1; + } + + dfu_error = irecv_reset(client->dfu->client); + if (dfu_error != IRECV_E_SUCCESS) { + error("ERROR: Unable to reset device\n"); + irecv_close(dfu); + return -1; + } + irecv_close(client->dfu->client); + client->dfu->client = NULL; + + // Reconnect to device, but this time make sure we're not still in DFU mode + if (recovery_open_with_timeout(client) < 0 || client->mode->index != kDfuMode) { + error("ERROR: Unable to connect to recovery device\n"); + if (client->dfu->client) + irecv_close(client->dfu->client); + return -1; + } + + client->mode = &idevicerestore_modes[MODE_RECOVERY]; + irecv_close(client->dfu->client); + client->dfu->client = NULL; + return 0; +} + @@ -19,11 +19,29 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef DFU_H -#define DFU_H +#ifndef IDEVICERESTORE_DFU_H +#define IDEVICERESTORE_DFU_H -#include <stdint.h> +#ifdef __cplusplus +extern "C" { +#endif + +#include <libirecovery.h> +#include "common.h" + +struct dfu_client_t { + irecv_client_t client; + const char* ipsw; + plist_t tss; +}; -int dfu_get_ecid(uint64_t* ecid); +int dfu_client_new(struct idevicerestore_client_t* client, uint32_t timeout); +void dfu_client_free(struct idevicerestore_client_t* client); +int dfu_enter_recovery(struct idevicerestore_client_t* client, plist_t build_identity); + + +#ifdef __cplusplus +} +#endif #endif diff --git a/src/idevicerestore.c b/src/idevicerestore.c index aaff4d6..7982ed7 100644 --- a/src/idevicerestore.c +++ b/src/idevicerestore.c @@ -23,61 +23,78 @@ #include <stdlib.h> #include <string.h> #include <unistd.h> +#include <getopt.h> #include <plist/plist.h> -#include <libirecovery.h> -#include <libimobiledevice/restore.h> -#include <libimobiledevice/lockdown.h> -#include <libimobiledevice/libimobiledevice.h> #include "dfu.h" #include "tss.h" #include "img3.h" #include "ipsw.h" +#include "common.h" #include "normal.h" #include "restore.h" #include "recovery.h" #include "idevicerestore.h" -#define UNKNOWN_MODE 0 -#define DFU_MODE 1 -#define NORMAL_MODE 2 -#define RECOVERY_MODE 3 -#define RESTORE_MODE 4 - -int idevicerestore_debug = 0; -static int idevicerestore_mode = 0; -static int idevicerestore_quit = 0; -static int idevicerestore_custom = 0; - -void usage(int argc, char* argv[]); -int write_file(const char* filename, char* data, int size); -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); +static struct option longopts[] = { + { "uuid", required_argument, NULL, 'u' }, + { "debug", no_argument, NULL, 'd' }, + { "help", no_argument, NULL, 'h' }, + { "erase", no_argument, NULL, 'e' }, + { "custom", no_argument, NULL, 'c' }, + { "exclude", no_argument, NULL, 'x' }, + { NULL, 0, NULL, 0 } +}; + +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(" -u, --uuid UUID\ttarget specific device by its 40-digit device UUID\n"); + printf(" -d, --debug\t\tenable communication debugging\n"); + printf(" -h, --help\t\tprints usage information\n"); + printf(" -e, --erase\t\tperform a full restore, erasing all data\n"); + printf(" -c, --custom\t\trestore with a custom firmware\n"); + printf(" -x, --exclude\t\texclude nor/baseband upgrade\n"); + printf("\n"); +} int main(int argc, char* argv[]) { int opt = 0; + int optindex = 0; char* ipsw = NULL; char* uuid = NULL; uint64_t ecid = 0; - while ((opt = getopt(argc, argv, "vdhcu:")) > 0) { + + // create an instance of our context + struct idevicerestore_client_t* client = (struct idevicerestore_client_t*) malloc(sizeof(struct idevicerestore_client_t)); + if (client == NULL) { + error("ERROR: Out of memory\n"); + return -1; + } + memset(client, '\0', sizeof(struct idevicerestore_client_t)); + + while ((opt = getopt_long(argc, argv, "dhcexu:", longopts, &optindex)) > 0) { switch (opt) { case 'h': usage(argc, argv); + return 0; + + case 'd': + client->flags &= FLAG_DEBUG; + idevicerestore_debug = 1; break; - case 'v': - idevicerestore_debug += 1; + case 'e': + client->flags &= FLAG_ERASE; break; case 'c': - idevicerestore_custom = 1; + client->flags &= FLAG_CUSTOM; break; - case 'd': - idevicerestore_debug = 3; + case 'x': + client->flags &= FLAG_EXCLUDE; break; case 'u': @@ -86,604 +103,556 @@ int main(int argc, char* argv[]) { default: usage(argc, argv); - break; + return -1; } } - argc -= optind; - argv += optind; + if ((argc-optind) == 1) { + argc -= optind; + argv += optind; - if (argc == 1) ipsw = argv[0]; - - if (ipsw == NULL) { - error("ERROR: Please supply an IPSW\n"); + } else { + usage(argc, argv); return -1; } - idevice_t device = NULL; - irecv_client_t recovery = NULL; - lockdownd_client_t lockdown = NULL; - irecv_error_t recovery_error = IRECV_E_SUCCESS; - idevice_error_t device_error = IDEVICE_E_SUCCESS; - lockdownd_error_t lockdown_error = LOCKDOWN_E_SUCCESS; - - /* determine recovery or normal mode */ - info("Checking for device in normal mode...\n"); - device_error = idevice_new(&device, uuid); - if (device_error != IDEVICE_E_SUCCESS) { - info("Checking for the device in recovery mode...\n"); - recovery_error = irecv_open(&recovery); - if (recovery_error != IRECV_E_SUCCESS) { - error("ERROR: Unable to find device, is it plugged in?\n"); - return -1; - } - info("Found device in recovery mode\n"); - idevicerestore_mode = RECOVERY_MODE; - - } else { - info("Found device in normal mode\n"); - idevicerestore_mode = NORMAL_MODE; + if (client->flags & FLAG_DEBUG) { + idevice_set_debug_level(1); + irecv_set_debug_level(1); } - /* retrieve ECID */ - if (idevicerestore_mode == NORMAL_MODE) { - lockdown_error = lockdownd_client_new_with_handshake(device, &lockdown, "idevicerestore"); - if (lockdown_error != LOCKDOWN_E_SUCCESS) { - error("ERROR: Unable to connect to lockdownd\n"); - idevice_free(device); - return -1; - } + client->uuid = uuid; + client->ipsw = ipsw; - plist_t unique_chip_node = NULL; - lockdown_error = lockdownd_get_value(lockdown, NULL, "UniqueChipID", &unique_chip_node); - if (lockdown_error != LOCKDOWN_E_SUCCESS) { - error("ERROR: Unable to get UniqueChipID from lockdownd\n"); - lockdownd_client_free(lockdown); - idevice_free(device); - return -1; - } - - if (!unique_chip_node || plist_get_node_type(unique_chip_node) != PLIST_UINT) { - error("ERROR: Unable to get ECID\n"); - lockdownd_client_free(lockdown); - idevice_free(device); - return -1; - } - - plist_get_uint_val(unique_chip_node, &ecid); - lockdownd_client_free(lockdown); - plist_free(unique_chip_node); - idevice_free(device); - lockdown = NULL; - device = NULL; - - } else if (idevicerestore_mode == RECOVERY_MODE) { - recovery_error = irecv_get_ecid(recovery, &ecid); - if (recovery_error != IRECV_E_SUCCESS) { - error("ERROR: Unable to get device ECID\n"); - irecv_close(recovery); - return -1; - } - irecv_close(recovery); - recovery = NULL; - } - - if (ecid != 0) { - info("Found ECID %llu\n", ecid); - } else { - error("Unable to find device ECID\n"); + // check which mode the device is currently in so we know where to start + if (check_mode(client) < 0 || client->mode->index == MODE_UNKNOWN) { + error("ERROR: Unable to discover device mode. Please make sure a device is attached.\n"); return -1; } + info("Found device in %s mode\n", client->mode->string); - /* parse buildmanifest */ - int buildmanifest_size = 0; - char* buildmanifest_data = NULL; - info("Extracting BuildManifest.plist from IPSW\n"); - if (ipsw_extract_to_memory(ipsw, "BuildManifest.plist", &buildmanifest_data, &buildmanifest_size) < 0) { - error("ERROR: Unable to extract BuildManifest.plist IPSW\n"); + // discover the device type + if (check_device(client) < 0 || client->device->index == DEVICE_UNKNOWN) { + error("ERROR: Unable to discover device type\n"); return -1; } + info("Identified device as %s\n", client->device->product); - plist_t manifest = NULL; - plist_from_xml(buildmanifest_data, buildmanifest_size, &manifest); - - info("Creating TSS request\n"); - plist_t tss_request = tss_create_request(manifest, ecid); - if (tss_request == NULL) { - error("ERROR: Unable to create TSS request\n"); - plist_free(manifest); - return -1; + if (client->mode->index == MODE_RESTORE) { + if (restore_reboot(client) < 0) { + error("ERROR: Unable to exit restore mode\n"); + return -1; + } } - plist_free(manifest); - info("Sending TSS request\n"); - plist_t tss_response = tss_send_request(tss_request); - if (tss_response == NULL) { - error("ERROR: Unable to get response from TSS server\n"); - plist_free(tss_request); + // extract buildmanifest + plist_t buildmanifest = NULL; + info("Extracting BuildManifest from IPSW\n"); + if (extract_buildmanifest(client, ipsw, &buildmanifest) < 0) { + error("ERROR: Unable to extract BuildManifest from %s\n", ipsw); return -1; } - info("Got TSS response\n"); - // Get name of filesystem DMG in IPSW - char* filesystem = NULL; - plist_t filesystem_node = plist_dict_get_item(tss_request, "OS"); - if (!filesystem_node || plist_get_node_type(filesystem_node) != PLIST_DICT) { - error("ERROR: Unable to find filesystem node\n"); - plist_free(tss_request); - return -1; + // devices are listed in order from oldest to newest + // so we'll need their ECID + if (client->device->index > DEVICE_IPOD2G) { + debug("Creating TSS request\n"); + // fetch the device's ECID for the TSS request + if (get_ecid(client, &client->ecid) < 0) { + error("ERROR: Unable to find device ECID\n"); + return -1; + } + debug("Found ECID %llu\n", client->ecid); } - plist_t filesystem_info_node = plist_dict_get_item(filesystem_node, "Info"); - if (!filesystem_info_node || plist_get_node_type(filesystem_info_node) != PLIST_DICT) { - error("ERROR: Unable to find filesystem info node\n"); - plist_free(tss_request); - return -1; + // choose whether this is an upgrade or a restore (default to upgrade) + client->tss = NULL; + plist_t build_identity = NULL; + if (client->flags & FLAG_ERASE) { + build_identity = get_build_identity(client, buildmanifest, 0); + if (build_identity == NULL) { + error("ERROR: Unable to find any build identities\n"); + plist_free(buildmanifest); + return -1; + } + } else { + // loop through all build identities in the build manifest + // and list the valid ones + int i = 0; + int valid_builds = 0; + int build_count = get_build_count(buildmanifest); + for (i = 0; i < build_count; i++) { + build_identity = get_build_identity(client, buildmanifest, i); + valid_builds++; + } } - plist_t filesystem_info_path_node = plist_dict_get_item(filesystem_info_node, "Path"); - if (!filesystem_info_path_node || plist_get_node_type(filesystem_info_path_node) != PLIST_STRING) { - error("ERROR: Unable to find filesystem info path node\n"); - plist_free(tss_request); - return -1; + if (client->flags & FLAG_CUSTOM > 0) { + if (client->device->index > DEVICE_IPOD2G) { + if (get_shsh_blobs(client, ecid, build_identity, &client->tss) < 0) { + error("ERROR: Unable to get SHSH blobs for this device\n"); + return -1; + } + } + + /* verify if we have tss records if required */ + if ((client->device->index > DEVICE_IPOD2G) && (client->tss == NULL)) { + error("ERROR: Unable to proceed without a tss record.\n"); + plist_free(buildmanifest); + return -1; + } } - plist_get_string_val(filesystem_info_path_node, &filesystem); - plist_free(tss_request); - info("Extracting filesystem from IPSW\n"); - if (ipsw_extract_to_file(ipsw, filesystem, filesystem) < 0) { - error("ERROR: Unable to extract filesystem\n"); + // Extract filesystem from IPSW and return its name + char* filesystem = NULL; + if (extract_filesystem(client, client->ipsw, build_identity, &filesystem) < 0) { + error("ERROR: Unable to extract filesystem from IPSW\n"); + if (client->tss) + plist_free(client->tss); + plist_free(buildmanifest); return -1; } - /* place device into recovery mode if required */ - if (idevicerestore_mode == NORMAL_MODE) { + // if the device is in normal mode, place device into recovery mode + if (client->mode->index == MODE_NORMAL) { info("Entering recovery mode...\n"); - device_error = idevice_new(&device, uuid); - if (device_error != IDEVICE_E_SUCCESS) { - error("ERROR: Unable to find device\n"); - plist_free(tss_response); + if (normal_enter_recovery(client) < 0) { + error("ERROR: Unable to place device into recovery mode\n"); + if (client->tss) + plist_free(client->tss); + plist_free(buildmanifest); return -1; } + } - lockdown_error = lockdownd_client_new_with_handshake(device, &lockdown, "idevicerestore"); - if (lockdown_error != LOCKDOWN_E_SUCCESS) { - error("ERROR: Unable to connect to lockdownd service\n"); - plist_free(tss_response); - idevice_free(device); + // if the device is in DFU mode, place device into recovery mode + if (client->mode->index == MODE_DFU) { + if (dfu_enter_recovery(client, build_identity) < 0) { + error("ERROR: Unable to place device into recovery mode\n"); + plist_free(buildmanifest); + if (client->tss) + plist_free(client->tss); return -1; } + } - lockdown_error = lockdownd_enter_recovery(lockdown); - if (lockdown_error != LOCKDOWN_E_SUCCESS) { - error("ERROR: Unable to place device in recovery mode\n"); - lockdownd_client_free(lockdown); - plist_free(tss_response); - idevice_free(device); + // if the device is in recovery mode, place device into restore mode + if (client->mode->index == MODE_RECOVERY) { + if (recovery_enter_restore(client, build_identity) < 0) { + error("ERROR: Unable to place device into restore mode\n"); + plist_free(buildmanifest); + if (client->tss) + plist_free(client->tss); return -1; } + } - lockdownd_client_free(lockdown); - idevice_free(device); - lockdown = NULL; - device = NULL; + // device is finally in restore mode, let's do this + if (client->mode->index == MODE_RESTORE) { + info("Restoring device... \n"); + if (restore_device(client, build_identity, filesystem) < 0) { + error("ERROR: Unable to restore device\n"); + return -1; + } } - /* upload data to make device boot restore mode */ - if (recovery_send_ibec(ipsw, tss_response) < 0) { - error("ERROR: Unable to send iBEC\n"); - plist_free(tss_response); - return -1; + info("Cleaning up...\n"); + if (filesystem) + unlink(filesystem); + + info("DONE\n"); + return 0; +} + +int check_mode(struct idevicerestore_client_t* client) { + int mode = MODE_UNKNOWN; + + if (recovery_check_mode() == 0) { + mode = MODE_RECOVERY; } - sleep(1); - if (recovery_send_applelogo(ipsw, tss_response) < 0) { - error("ERROR: Unable to send AppleLogo\n"); - plist_free(tss_response); - return -1; + else if (dfu_check_mode() == 0) { + mode = MODE_DFU; } - if (recovery_send_devicetree(ipsw, tss_response) < 0) { - error("ERROR: Unable to send DeviceTree\n"); - plist_free(tss_response); - return -1; + else if (normal_check_mode(client->uuid) == 0) { + mode = MODE_NORMAL; } - if (recovery_send_ramdisk(ipsw, tss_response) < 0) { - error("ERROR: Unable to send Ramdisk\n"); - plist_free(tss_response); - return -1; + else if (restore_check_mode(client->uuid) == 0) { + mode = MODE_RESTORE; } - // for some reason iboot requires a hard reset after ramdisk - // or things start getting wacky - printf("Please unplug your device, then plug it back in\n"); - printf("Hit any key to continue..."); - getchar(); + client->mode = &idevicerestore_modes[mode]; + return mode; +} - if (recovery_send_kernelcache(ipsw, tss_response) < 0) { - error("ERROR: Unable to send KernelCache\n"); - plist_free(tss_response); - return -1; - } +int check_device(struct idevicerestore_client_t* client) { + int device = DEVICE_UNKNOWN; + uint32_t bdid = 0; + uint32_t cpid = 0; - 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); - } + switch (client->mode->index) { + case MODE_RESTORE: + device = restore_check_device(client->uuid); + if (device < 0) { + device = DEVICE_UNKNOWN; + } + break; - device_error = idevice_new(&device, uuid); - if (device_error != IDEVICE_E_SUCCESS) { - error("ERROR: Unable to open device\n"); - plist_free(tss_response); - return -1; - } + case MODE_NORMAL: + device = normal_check_device(client->uuid); + if (device < 0) { + device = DEVICE_UNKNOWN; + } + break; - 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_response); - idevice_free(device); - return -1; - } + case MODE_DFU: + case MODE_RECOVERY: + if (get_cpid(client, &cpid) < 0) { + error("ERROR: Unable to get device CPID\n"); + break; + } - 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_response); - 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")) { - asr_send_system_image_data_from_file(device, restore, filesystem); - - } else if (!strcmp(datatype, "KernelCache")) { - int kernelcache_size = 0; - char* kernelcache_data = NULL; - if (get_signed_component_by_name(ipsw, tss_response, "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_data(restore, ipsw, tss_response); - - } 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); - } + switch (cpid) { + case CPID_IPHONE2G: + // iPhone1,1 iPhone1,2 and iPod1,1 all share the same ChipID + // so we need to check the BoardID + if (get_bdid(client, &bdid) < 0) { + error("ERROR: Unable to get device BDID\n"); + break; } - if (RESTORE_E_SUCCESS != restore_error) { - error("Invalid return status %d\n", restore_error); - //idevicerestore_quit = 1; + switch (bdid) { + case BDID_IPHONE2G: + device = DEVICE_IPHONE2G; + break; + + case BDID_IPHONE3G: + device = DEVICE_IPHONE3G; + break; + + case BDID_IPOD1G: + device = DEVICE_IPOD1G; + break; + + default: + device = DEVICE_UNKNOWN; + break; } + break; + + case CPID_IPHONE3GS: + device = DEVICE_IPHONE3GS; + break; + + case CPID_IPOD2G: + device = DEVICE_IPOD2G; + break; + + case CPID_IPOD3G: + device = DEVICE_IPOD3G; + break; - plist_free(message); + case CPID_IPAD1G: + device = DEVICE_IPAD1G; + break; + + default: + device = DEVICE_UNKNOWN; + break; } - } else { - error("ERROR: Could not start restore. %d\n", restore_error); - } + break; - restored_client_free(restore); - plist_free(tss_response); - idevice_free(device); - unlink(filesystem); - return 0; -} + default: + device = DEVICE_UNKNOWN; + break; -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 incremental levels of verboseness\n"); - printf("\n"); - exit(1); + client->device = &idevicerestore_devices[device]; + return device; } -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 get_bdid(struct idevicerestore_client_t* client, uint32_t* bdid) { + switch (client->mode->index) { + case MODE_NORMAL: + if (normal_get_bdid(client->uuid, bdid) < 0) { + *bdid = 0; + return -1; + } + break; - int bytes = fwrite(data, 1, size, file); - fclose(file); + case MODE_DFU: + case MODE_RECOVERY: + if (recovery_get_bdid(client, bdid) < 0) { + *bdid = 0; + return -1; + } + break; - if (bytes != size) { - error("ERROR: Unable to write entire file: %s: %d %d\n", filename, bytes, size); + default: + error("ERROR: Device is in an invalid state\n"); return -1; } - return size; + return 0; } -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; +int get_cpid(struct idevicerestore_client_t* client, uint32_t* cpid) { + switch (client->mode->index) { + case MODE_NORMAL: + if (normal_get_cpid(client->uuid, cpid) < 0) { + client->device->chip_id = -1; + return -1; } + break; - 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); + case MODE_DFU: + case MODE_RECOVERY: + if (recovery_get_cpid(client, cpid) < 0) { + client->device->chip_id = -1; 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; - } + break; - free(key); + default: + error("ERROR: Device is in an invalid state\n"); + return -1; } - plist_free(tss_entry); - return -1; + return 0; } -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; +int get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid) { + if(client->device->index <= DEVICE_IPOD2G) { + *ecid = 0; + return 0; } - 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); + switch (client->mode->index) { + case MODE_NORMAL: + if (normal_get_ecid(client->uuid, ecid) < 0) { + *ecid = 0; + return -1; + } + break; - 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); + case MODE_DFU: + case MODE_RECOVERY: + if (recovery_get_ecid(client, ecid) < 0) { + *ecid = 0; + return -1; + } + break; + + default: + error("ERROR: Device is in an invalid state\n"); 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 extract_buildmanifest(struct idevicerestore_client_t* client, const char* ipsw, plist_t* buildmanifest) { int size = 0; char* data = NULL; - char* path = NULL; - char* blob = NULL; - img3_file* img3 = NULL; - irecv_error_t error = 0; + int device = client->device->index; - 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; + /* older devices don't require personalized firmwares and use a BuildManifesto.plist */ + if (ipsw_extract_to_memory(ipsw, "BuildManifesto.plist", &data, &size) == 0) { + plist_from_xml(data, size, buildmanifest); + return 0; } - 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; + data = NULL; + size = 0; + + /* whereas newer devices do not require personalized firmwares and use a BuildManifest.plist */ + if (ipsw_extract_to_memory(ipsw, "BuildManifest.plist", &data, &size) == 0) { + plist_from_xml(data, size, buildmanifest); + return 0; } - img3 = img3_parse_file(data, size); - if (img3 == NULL) { - error("ERROR: Unable to parse IMG3: %s\n", path); - free(data); - free(path); - free(blob); - return -1; + return -1; +} + +plist_t get_build_identity(struct idevicerestore_client_t* client, plist_t buildmanifest, uint32_t identity) { + // fetch build identities array from BuildManifest + plist_t build_identities_array = plist_dict_get_item(buildmanifest, "BuildIdentities"); + if (!build_identities_array || plist_get_node_type(build_identities_array) != PLIST_ARRAY) { + error("ERROR: Unable to find build identities node\n"); + return NULL; } - if (data) { - free(data); - data = NULL; + + // check and make sure this identity exists in buildmanifest + if (identity >= plist_array_get_size(build_identities_array)) { + return NULL; } - if (idevicerestore_custom == 0) { - if (img3_replace_signature(img3, blob) < 0) { - error("ERROR: Unable to replace IMG3 signature\n"); - free(path); - free(blob); - return -1; - } + plist_t build_identity = plist_array_get_item(build_identities_array, identity); + if (!build_identity || plist_get_node_type(build_identity) != PLIST_DICT) { + error("ERROR: Unable to find build identities node\n"); + return NULL; } - if (img3_get_data(img3, &data, &size) < 0) { - error("ERROR: Unable to reconstruct IMG3\n"); - img3_free(img3); - free(path); + return plist_copy(build_identity); +} + +int get_shsh_blobs(struct idevicerestore_client_t* client, 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; } - if (idevicerestore_debug) { - char* out = strrchr(path, '/'); - if (out != NULL) { - out++; - } else { - out = path; - } - write_file(out, data, size); + info("Sending TSS request\n"); + response = tss_send_request(request); + if (response == NULL) { + plist_free(request); + return -1; } - if (img3) { - img3_free(img3); - img3 = NULL; - } - if (blob) { - free(blob); - blob = NULL; - } - if (path) { - free(path); - path = NULL; + plist_free(request); + *tss = response; + return 0; +} + +int get_build_count(plist_t buildmanifest) { + // fetch build identities array from BuildManifest + plist_t build_identities_array = plist_dict_get_item(buildmanifest, "BuildIdentities"); + if (!build_identities_array || plist_get_node_type(build_identities_array) != PLIST_ARRAY) { + error("ERROR: Unable to find build identities node\n"); + return -1; } - *pdata = data; - *psize = size; - return 0; + // check and make sure this identity exists in buildmanifest + return plist_array_get_size(build_identities_array); } -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; +int extract_filesystem(struct idevicerestore_client_t* client, const char* ipsw, plist_t build_identity, char** filesystem) { + char* filename = NULL; - 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); + if (build_identity_get_component_path(build_identity, "OS", &filename) < 0) { + error("ERROR: Unable get path for filesystem component\n"); 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); + info("Extracting filesystem from IPSW\n"); + if (ipsw_extract_to_file(ipsw, filename, filename) < 0) { + error("ERROR: Unable to extract filesystem\n"); 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); + *filesystem = filename; + return 0; +} + +int ipsw_get_component_by_path(const char* ipsw, plist_t tss, const char* path, char** data, uint32_t* size) { + img3_file* img3 = NULL; + uint32_t component_size = 0; + char* component_data = NULL; + char* component_blob = NULL; + char* component_name = NULL; + + component_name = strrchr(path, '/'); + if (component_name != NULL) + component_name++; + else + component_name = (char*) path; + + info("Extracting %s\n", component_name); + if (ipsw_extract_to_memory(ipsw, path, &component_data, &component_size) < 0) { + error("ERROR: Unable to extract %s from %s\n", component_name, ipsw); return -1; } - if (data) { - free(data); - data = NULL; - } - if (idevicerestore_custom == 0) { - if (img3_replace_signature(img3, blob) < 0) { + if (tss) { + info("Signing img3...\n"); + img3 = img3_parse_file(component_data, component_size); + if (img3 == NULL) { + error("ERROR: Unable to parse IMG3: %s\n", component_name); + free(component_data); + return -1; + } + free(component_data); + + /* sign the blob if required */ + if (tss_get_blob_by_path(tss, path, &component_blob) < 0) { + error("ERROR: Unable to get SHSH blob for TSS %s entry\n", component_name); + img3_free(img3); + return -1; + } + + if (img3_replace_signature(img3, component_blob) < 0) { error("ERROR: Unable to replace IMG3 signature\n"); - free(name); - free(blob); + free(component_blob); + img3_free(img3); return -1; } - } - if (img3_get_data(img3, &data, &size) < 0) { - error("ERROR: Unable to reconstruct IMG3\n"); + if (component_blob) + free(component_blob); + + if (img3_get_data(img3, &component_data, &component_size) < 0) { + error("ERROR: Unable to reconstruct IMG3\n"); + img3_free(img3); + return -1; + } img3_free(img3); - free(name); - return -1; } if (idevicerestore_debug) { - char* out = strrchr(path, '/'); - if (out != NULL) { - out++; - } else { - out = path; - } - write_file(out, data, size); + write_file(component_name, component_data, component_size); } - if (img3) { - img3_free(img3); - img3 = NULL; + *data = component_data; + *size = component_size; + return 0; +} + +int build_identity_get_component_path(plist_t build_identity, const char* component, char** path) { + char* filename = NULL; + + 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"); + if (filename) + free(filename); + return -1; + } + + plist_t component_node = plist_dict_get_item(manifest_node, component); + if (!component_node || plist_get_node_type(component_node) != PLIST_DICT) { + error("ERROR: Unable to find component node for %s\n", component); + if (filename) + free(filename); + return -1; } - if (blob) { - free(blob); - blob = NULL; + + plist_t component_info_node = plist_dict_get_item(component_node, "Info"); + if (!component_info_node || plist_get_node_type(component_info_node) != PLIST_DICT) { + error("ERROR: Unable to find component info node for %s\n", component); + if (filename) + free(filename); + return -1; } - if (path) { - free(name); - name = NULL; + + plist_t component_info_path_node = plist_dict_get_item(component_info_node, "Path"); + if (!component_info_path_node || plist_get_node_type(component_info_path_node) != PLIST_STRING) { + error("ERROR: Unable to find component info path node for %s\n", component); + if (filename) + free(filename); + return -1; } + plist_get_string_val(component_info_path_node, &filename); - *pdata = data; - *psize = size; + *path = filename; return 0; } + diff --git a/src/idevicerestore.h b/src/idevicerestore.h index 3dcf1d5..f529b5b 100644 --- a/src/idevicerestore.h +++ b/src/idevicerestore.h @@ -1,5 +1,5 @@ /* - * idevicerestore.g + * idevicerestore.h * Restore device firmware and filesystem * * Copyright (c) 2010 Joshua Hill. All Rights Reserved. @@ -22,10 +22,31 @@ #ifndef IDEVICERESTORE_H #define IDEVICERESTORE_H -#define error(...) fprintf(stderr, __VA_ARGS__) -#define info(...) if(idevicerestore_debug >= 1) fprintf(stderr, __VA_ARGS__) -#define debug(...) if(idevicerestore_debug >= 2) fprintf(stderr, __VA_ARGS__) +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdint.h> +#include <plist/plist.h> + +#include "common.h" -extern int idevicerestore_debug; +void usage(int argc, char* argv[]); +int check_mode(struct idevicerestore_client_t* client); +int check_device(struct idevicerestore_client_t* client); +int get_build_count(plist_t buildmanifest); +int get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid); +int get_bdid(struct idevicerestore_client_t* client, uint32_t* bdid); +int get_cpid(struct idevicerestore_client_t* client, uint32_t* cpid); +int extract_buildmanifest(struct idevicerestore_client_t* client, const char* ipsw, plist_t* buildmanifest); +plist_t get_build_identity(struct idevicerestore_client_t* client, plist_t buildmanifest, uint32_t identity); +int get_shsh_blobs(struct idevicerestore_client_t* client, uint64_t ecid, plist_t build_identity, plist_t* tss); +int extract_filesystem(struct idevicerestore_client_t* client, const char* ipsw, plist_t buildmanifest, char** filesystem); +int ipsw_get_component_by_path(const char* ipsw, plist_t tss, const char* path, char** data, uint32_t* size); +int build_identity_get_component_path(plist_t build_identity, const char* component, char** path); + +#ifdef __cplusplus +} +#endif #endif @@ -24,25 +24,26 @@ #include <string.h> #include "img3.h" +#include "common.h" #include "idevicerestore.h" img3_file* img3_parse_file(char* data, int size) { int data_offset = 0; img3_header* header = (img3_header*) data; - if(header->signature != kImg3Container) { + if (header->signature != kImg3Container) { error("ERROR: Invalid IMG3 file\n"); return NULL; } img3_file* image = (img3_file*) malloc(sizeof(img3_file)); - if(image == NULL) { + if (image == NULL) { error("ERROR: Unable to allocate memory for IMG3 file\n"); return NULL; } memset(image, '\0', sizeof(img3_file)); image->header = (img3_header*) malloc(sizeof(img3_header)); - if(image->header == NULL) { + if (image->header == NULL) { error("ERROR: Unable to allocate memory for IMG3 header\n"); img3_free(image); return NULL; @@ -51,12 +52,12 @@ img3_file* img3_parse_file(char* data, int size) { data_offset += sizeof(img3_header); img3_element_header* current = NULL; - while(data_offset < size) { + while (data_offset < size) { current = (img3_element_header*) &data[data_offset]; - switch(current->signature) { + switch (current->signature) { case kTypeElement: image->type_element = img3_parse_element(&data[data_offset]); - if(image->type_element == NULL) { + if (image->type_element == NULL) { error("ERROR: Unable to parse TYPE element\n"); img3_free(image); return NULL; @@ -66,7 +67,7 @@ img3_file* img3_parse_file(char* data, int size) { case kDataElement: image->data_element = img3_parse_element(&data[data_offset]); - if(image->data_element == NULL) { + if (image->data_element == NULL) { error("ERROR: Unable to parse DATA element\n"); img3_free(image); return NULL; @@ -76,7 +77,7 @@ img3_file* img3_parse_file(char* data, int size) { case kVersElement: image->vers_element = img3_parse_element(&data[data_offset]); - if(image->vers_element == NULL) { + if (image->vers_element == NULL) { error("ERROR: Unable to parse VERS element\n"); img3_free(image); return NULL; @@ -86,7 +87,7 @@ img3_file* img3_parse_file(char* data, int size) { case kSepoElement: image->sepo_element = img3_parse_element(&data[data_offset]); - if(image->sepo_element == NULL) { + if (image->sepo_element == NULL) { error("ERROR: Unable to parse SEPO element\n"); img3_free(image); return NULL; @@ -96,7 +97,7 @@ img3_file* img3_parse_file(char* data, int size) { case kBordElement: image->bord_element = img3_parse_element(&data[data_offset]); - if(image->bord_element == NULL) { + if (image->bord_element == NULL) { error("ERROR: Unable to parse BORD element\n"); img3_free(image); return NULL; @@ -105,9 +106,9 @@ img3_file* img3_parse_file(char* data, int size) { break; case kKbagElement: - if(image->kbag1_element == NULL) { + if (image->kbag1_element == NULL) { image->kbag1_element = img3_parse_element(&data[data_offset]); - if(image->kbag1_element == NULL) { + if (image->kbag1_element == NULL) { error("ERROR: Unable to parse first KBAG element\n"); img3_free(image); return NULL; @@ -115,7 +116,7 @@ img3_file* img3_parse_file(char* data, int size) { } else { image->kbag2_element = img3_parse_element(&data[data_offset]); - if(image->kbag2_element == NULL) { + if (image->kbag2_element == NULL) { error("ERROR: Unable to parse second KBAG element\n"); img3_free(image); return NULL; @@ -126,7 +127,7 @@ img3_file* img3_parse_file(char* data, int size) { case kEcidElement: image->ecid_element = img3_parse_element(&data[data_offset]); - if(image->ecid_element == NULL) { + if (image->ecid_element == NULL) { error("ERROR: Unable to parse ECID element\n"); img3_free(image); return NULL; @@ -136,7 +137,7 @@ img3_file* img3_parse_file(char* data, int size) { case kShshElement: image->shsh_element = img3_parse_element(&data[data_offset]); - if(image->shsh_element == NULL) { + if (image->shsh_element == NULL) { error("ERROR: Unable to parse SHSH element\n"); img3_free(image); return NULL; @@ -146,7 +147,7 @@ img3_file* img3_parse_file(char* data, int size) { case kCertElement: image->cert_element = img3_parse_element(&data[data_offset]); - if(image->cert_element == NULL) { + if (image->cert_element == NULL) { error("ERROR: Unable to parse CERT element\n"); img3_free(image); return NULL; @@ -154,6 +155,16 @@ img3_file* img3_parse_file(char* data, int size) { debug("Parsed CERT element\n"); break; + case kUnknElement: + image->unkn_element = img3_parse_element(&data[data_offset]); + if (image->unkn_element == NULL) { + error("ERROR: Unable to parse UNKN element\n"); + img3_free(image); + return NULL; + } + debug("Parsed UNKN element\n"); + break; + default: error("ERROR: Unknown IMG3 element type\n"); img3_free(image); @@ -168,14 +179,14 @@ img3_file* img3_parse_file(char* data, int size) { img3_element* img3_parse_element(char* data) { img3_element_header* element_header = (img3_element_header*) data; img3_element* element = (img3_element*) malloc(sizeof(img3_element)); - if(element == NULL) { + if (element == NULL) { error("ERROR: Unable to allocate memory for IMG3 element\n"); return NULL; } memset(element, '\0', sizeof(img3_element)); element->data = (char*) malloc(element_header->full_size); - if(element->data == NULL) { + if (element->data == NULL) { error("ERROR: Unable to allocate memory for IMG3 element data\n"); free(element); return NULL; @@ -188,69 +199,74 @@ img3_element* img3_parse_element(char* data) { } void img3_free(img3_file* image) { - if(image != NULL) { - if(image->header != NULL) { + if (image != NULL) { + if (image->header != NULL) { free(image->header); } - if(image->type_element != NULL) { + if (image->type_element != NULL) { img3_free_element(image->type_element); image->type_element = NULL; } - if(image->data_element != NULL) { + if (image->data_element != NULL) { img3_free_element(image->data_element); image->data_element = NULL; } - if(image->vers_element != NULL) { + if (image->vers_element != NULL) { img3_free_element(image->vers_element); image->vers_element = NULL; } - if(image->sepo_element != NULL) { + if (image->sepo_element != NULL) { img3_free_element(image->sepo_element); image->sepo_element = NULL; } - if(image->bord_element != NULL) { + if (image->bord_element != NULL) { img3_free_element(image->bord_element); image->bord_element = NULL; } - if(image->kbag1_element != NULL) { + if (image->kbag1_element != NULL) { img3_free_element(image->kbag1_element); image->kbag1_element = NULL; } - if(image->kbag2_element != NULL) { + if (image->kbag2_element != NULL) { img3_free_element(image->kbag2_element); image->kbag2_element = NULL; } - if(image->ecid_element != NULL) { + if (image->ecid_element != NULL) { img3_free_element(image->ecid_element); image->ecid_element = NULL; } - if(image->shsh_element != NULL) { + if (image->shsh_element != NULL) { img3_free_element(image->shsh_element); image->shsh_element = NULL; } - if(image->cert_element != NULL) { + if (image->cert_element != NULL) { img3_free_element(image->cert_element); image->cert_element = NULL; } + if (image->unkn_element != NULL) { + img3_free_element(image->unkn_element); + image->unkn_element = NULL; + } + free(image); image = NULL; } } void img3_free_element(img3_element* element) { - if(element != NULL) { - if(element->data != NULL) { + if (element != NULL) { + if (element->data != NULL) { free(element->data); element->data = NULL; } @@ -262,37 +278,37 @@ void img3_free_element(img3_element* element) { int img3_replace_signature(img3_file* image, char* signature) { int offset = 0; img3_element* ecid = img3_parse_element(&signature[offset]); - if(ecid == NULL || ecid->type != kEcidElement) { + if (ecid == NULL || ecid->type != kEcidElement) { error("ERROR: Unable to find ECID element in signature\n"); return -1; } offset += ecid->header->full_size; img3_element* shsh = img3_parse_element(&signature[offset]); - if(shsh == NULL || shsh->type != kShshElement) { + if (shsh == NULL || shsh->type != kShshElement) { error("ERROR: Unable to find SHSH element in signature\n"); return -1; } offset += shsh->header->full_size; img3_element* cert = img3_parse_element(&signature[offset]); - if(cert == NULL || cert->type != kCertElement) { + if (cert == NULL || cert->type != kCertElement) { error("ERROR: Unable to find CERT element in signature\n"); return -1; } offset += cert->header->full_size; - if(image->ecid_element != NULL) { + if (image->ecid_element != NULL) { img3_free_element(image->ecid_element); } image->ecid_element = ecid; - if(image->shsh_element != NULL) { + if (image->shsh_element != NULL) { img3_free_element(image->shsh_element); } image->shsh_element = shsh; - if(image->cert_element != NULL) { + if (image->cert_element != NULL) { img3_free_element(image->cert_element); } image->cert_element = cert; @@ -305,39 +321,42 @@ int img3_get_data(img3_file* image, char** pdata, int* psize) { int size = sizeof(img3_header); // Add up the size of the image first so we can allocate our memory - if(image->type_element != NULL) { + if (image->type_element != NULL) { size += image->type_element->header->full_size; } - if(image->data_element != NULL) { + if (image->data_element != NULL) { size += image->data_element->header->full_size; } - if(image->vers_element != NULL) { + if (image->vers_element != NULL) { size += image->vers_element->header->full_size; } - if(image->sepo_element != NULL) { + if (image->sepo_element != NULL) { size += image->sepo_element->header->full_size; } - if(image->bord_element != NULL) { + if (image->bord_element != NULL) { size += image->bord_element->header->full_size; } - if(image->kbag1_element != NULL) { + if (image->kbag1_element != NULL) { size += image->kbag1_element->header->full_size; } - if(image->kbag2_element != NULL) { + if (image->kbag2_element != NULL) { size += image->kbag2_element->header->full_size; } - if(image->ecid_element != NULL) { + if (image->ecid_element != NULL) { size += image->ecid_element->header->full_size; } - if(image->shsh_element != NULL) { + if (image->shsh_element != NULL) { size += image->shsh_element->header->full_size; } - if(image->cert_element != NULL) { + if (image->cert_element != NULL) { size += image->cert_element->header->full_size; } + if (image->unkn_element != NULL) { + size += image->unkn_element->header->full_size; + } char* data = (char*) malloc(size); - if(data == NULL) { + if (data == NULL) { error("ERROR: Unable to allocate memory for IMG3 data\n"); return -1; } @@ -351,49 +370,53 @@ int img3_get_data(img3_file* image, char** pdata, int* psize) { offset += sizeof(img3_header); // Copy each section over to the new buffer - if(image->type_element != NULL) { + if (image->type_element != NULL) { memcpy(&data[offset], image->type_element->data, image->type_element->header->full_size); offset += image->type_element->header->full_size; } - if(image->data_element != NULL) { + if (image->data_element != NULL) { memcpy(&data[offset], image->data_element->data, image->data_element->header->full_size); offset += image->data_element->header->full_size; } - if(image->vers_element != NULL) { + if (image->vers_element != NULL) { memcpy(&data[offset], image->vers_element->data, image->vers_element->header->full_size); offset += image->vers_element->header->full_size; } - if(image->sepo_element != NULL) { + if (image->sepo_element != NULL) { memcpy(&data[offset], image->sepo_element->data, image->sepo_element->header->full_size); offset += image->sepo_element->header->full_size; } - if(image->bord_element != NULL) { + if (image->bord_element != NULL) { memcpy(&data[offset], image->bord_element->data, image->bord_element->header->full_size); offset += image->bord_element->header->full_size; } - if(image->kbag1_element != NULL) { + if (image->kbag1_element != NULL) { memcpy(&data[offset], image->kbag1_element->data, image->kbag1_element->header->full_size); offset += image->kbag1_element->header->full_size; } - if(image->kbag2_element != NULL) { + if (image->kbag2_element != NULL) { memcpy(&data[offset], image->kbag2_element->data, image->kbag2_element->header->full_size); offset += image->kbag2_element->header->full_size; } - if(image->ecid_element != NULL) { + if (image->ecid_element != NULL) { memcpy(&data[offset], image->ecid_element->data, image->ecid_element->header->full_size); offset += image->ecid_element->header->full_size; } - if(image->shsh_element != NULL) { + if (image->shsh_element != NULL) { memcpy(&data[offset], image->shsh_element->data, image->shsh_element->header->full_size); header->shsh_offset = offset - sizeof(img3_header); offset += image->shsh_element->header->full_size; } - if(image->cert_element != NULL) { + if (image->cert_element != NULL) { memcpy(&data[offset], image->cert_element->data, image->cert_element->header->full_size); offset += image->cert_element->header->full_size; } + if (image->unkn_element != NULL) { + memcpy(&data[offset], image->unkn_element->data, image->unkn_element->header->full_size); + offset += image->unkn_element->header->full_size; + } - if(offset != size) { + if (offset != size) { error("ERROR: Incorrectly sized image data\n"); free(data); *pdata = 0; @@ -19,43 +19,48 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef IMG3_H -#define IMG3_H +#ifndef IDEVICERESTORE_IMG3_H +#define IDEVICERESTORE_IMG3_H + +#ifdef __cplusplus +extern "C" { +#endif typedef enum { - kNorContainer = 0x696D6733, // img3 - kImg3Container = 0x496D6733, // Img3 - k8900Container = 0x30303938, // 8900 - kImg2Container = 0x494D4732 // IMG2 + kNorContainer = 0x696D6733, // img3 + kImg3Container = 0x496D6733, // Img3 + k8900Container = 0x30303938, // 8900 + kImg2Container = 0x494D4732 // IMG2 } img3_container; typedef enum { - kDataElement = 0x44415441, // DATA - kTypeElement = 0x54595045, // TYPE - kKbagElement = 0x4B424147, // KBAG - kShshElement = 0x53485348, // SHSH - kCertElement = 0x43455254, // CERT - kChipElement = 0x43484950, // CHIP - kProdElement = 0x50524F44, // PROD - kSdomElement = 0x53444F4D, // SDOM - kVersElement = 0x56455253, // VERS - kBordElement = 0x424F5244, // BORD - kSepoElement = 0x5345504F, // SEPO - kEcidElement = 0x45434944 // ECID + kDataElement = 0x44415441, // DATA + kTypeElement = 0x54595045, // TYPE + kKbagElement = 0x4B424147, // KBAG + kShshElement = 0x53485348, // SHSH + kCertElement = 0x43455254, // CERT + kChipElement = 0x43484950, // CHIP + kProdElement = 0x50524F44, // PROD + kSdomElement = 0x53444F4D, // SDOM + kVersElement = 0x56455253, // VERS + kBordElement = 0x424F5244, // BORD + kSepoElement = 0x5345504F, // SEPO + kEcidElement = 0x45434944, // ECID + kUnknElement = 0x53414c54 // FIXME } img3_element_type; typedef struct { - unsigned int signature; - unsigned int full_size; - unsigned int data_size; - unsigned int shsh_offset; - unsigned int image_type; + unsigned int signature; + unsigned int full_size; + unsigned int data_size; + unsigned int shsh_offset; + unsigned int image_type; } img3_header; typedef struct { - unsigned int signature; - unsigned int full_size; - unsigned int data_size; + unsigned int signature; + unsigned int full_size; + unsigned int data_size; } img3_element_header; typedef struct { @@ -77,13 +82,19 @@ typedef struct { img3_element* ecid_element; img3_element* shsh_element; img3_element* cert_element; + img3_element* unkn_element; } img3_file; -img3_file* img3_parse_file(char* data, int size); -img3_element* img3_parse_element(char* data); -int img3_replace_signature(img3_file* image, char* signature); void img3_free(img3_file* image); -int img3_get_data(img3_file* image, char** pdata, int* psize); +img3_element* img3_parse_element(char* data); void img3_free_element(img3_element* element); +img3_file* img3_parse_file(char* data, int size); +int img3_get_data(img3_file* image, char** pdata, int* psize); +int img3_replace_signature(img3_file* image, char* signature); + + +#ifdef __cplusplus +}s +#endif #endif @@ -20,6 +20,7 @@ */ #include <zip.h> +#include <stdio.h> #include <stdlib.h> #include <string.h> @@ -94,8 +95,10 @@ int ipsw_extract_to_file(const char* ipsw, const char* infile, const char* outfi int i = 0; int size = 0; + int bytes = 0; int count = 0; - for (i = zstat.size; i > 0; i -= count) { + double progress = 0; + for(i = zstat.size; i > 0; i -= count) { if (i < BUFSIZE) size = i; else @@ -108,9 +111,11 @@ int ipsw_extract_to_file(const char* ipsw, const char* infile, const char* outfi return -1; } fwrite(buffer, 1, count, fd); - debug("."); + + bytes += size; + progress = ((double) bytes/ (double) zstat.size) * 100.0; + print_progress_bar(progress); } - debug("\n"); fclose(fd); zip_fclose(zfile); @@ -119,7 +124,7 @@ int ipsw_extract_to_file(const char* ipsw, const char* infile, const char* outfi return 0; } -int ipsw_extract_to_memory(const char* ipsw, const char* infile, char** pbuffer, int* psize) { +int ipsw_extract_to_memory(const char* ipsw, const char* infile, char** pbuffer, uint32_t* psize) { ipsw_archive* archive = ipsw_open(ipsw); if (archive == NULL || archive->zip == NULL) { error("ERROR: Invalid archive\n"); @@ -19,10 +19,15 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef IPSW_H -#define IPSW_H +#ifndef IDEVICERESTORE_IPSW_H +#define IDEVICERESTORE_IPSW_H + +#ifdef __cplusplus +extern "C" { +#endif #include <zip.h> +#include <stdint.h> typedef struct { int index; @@ -31,7 +36,11 @@ typedef struct { unsigned char* data; } ipsw_file; -int ipsw_extract_to_memory(const char* ipsw, const char* infile, char** pbuffer, int* psize); +int ipsw_extract_to_memory(const char* ipsw, const char* infile, char** pbuffer, uint32_t* psize); void ipsw_free_file(ipsw_file* file); +#ifdef __cplusplus +} +#endif + #endif diff --git a/src/normal.c b/src/normal.c index c7baefd..c9a1b45 100644 --- a/src/normal.c +++ b/src/normal.c @@ -19,10 +19,318 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <libirecovery.h> +#include <libimobiledevice/lockdown.h> +#include <libimobiledevice/libimobiledevice.h> +#include "common.h" #include "normal.h" +#include "recovery.h" -int normal_get_ecid(uint64_t* ecid) { +static int normal_device_connected = 0; + +void normal_device_callback(const idevice_event_t* event, void* userdata) { + struct idevicerestore_client_t* client = (struct idevicerestore_client_t*) userdata; + if (event->event == IDEVICE_DEVICE_ADD) { + normal_device_connected = 1; + + } else if (event->event == IDEVICE_DEVICE_REMOVE) { + normal_device_connected = 0; + client->flags &= FLAG_QUIT; + } +} + +int normal_client_new(struct idevicerestore_client_t* client) { + struct normal_client_t* normal = (struct normal_client_t*) malloc(sizeof(struct normal_client_t)); + if (normal == NULL) { + error("ERROR: Out of memory\n"); + return -1; + } + + if (normal_open_with_timeout(client) < 0) { + normal_client_free(client); + return -1; + } + + client->normal = normal; + return 0; +} + +void normal_client_free(struct idevicerestore_client_t* client) { + struct normal_client_t* normal = NULL; + if (client) { + normal = client->normal; + if(normal) { + if(normal->client) { + lockdownd_client_free(normal->client); + normal->client = NULL; + } + if(normal->device) { + idevice_free(normal->device); + normal->device = NULL; + } + } + free(normal); + client->normal = NULL; + } +} + +int normal_check_mode(const char* uuid) { + char* type = NULL; + idevice_t device = NULL; + lockdownd_client_t lockdown = NULL; + idevice_error_t device_error = IDEVICE_E_SUCCESS; + lockdownd_error_t lockdown_error = IDEVICE_E_SUCCESS; + + device_error = idevice_new(&device, uuid); + if (device_error != IDEVICE_E_SUCCESS) { + return -1; + } + + lockdown_error = lockdownd_client_new(device, &lockdown, "idevicerestore"); + if (lockdown_error != LOCKDOWN_E_SUCCESS) { + idevice_free(device); + return -1; + } + + lockdown_error = lockdownd_query_type(lockdown, &type); + if (lockdown_error != LOCKDOWN_E_SUCCESS) { + lockdownd_client_free(lockdown); + idevice_free(device); + return -1; + } + + lockdownd_client_free(lockdown); + idevice_free(device); + lockdown = NULL; + device = NULL; + return 0; +} + +int normal_open_with_timeout(struct idevicerestore_client_t* client) { + int i = 0; + int attempts = 10; + idevice_t device = NULL; + lockdownd_client_t lockdownd = NULL; + idevice_error_t device_error = IDEVICE_E_SUCCESS; + lockdownd_error_t lockdownd_error = LOCKDOWN_E_SUCCESS; + + // no context exists so bail + if(client == NULL) { + return -1; + } + + // create our normal client if it doesn't yet exist + if(client->normal == NULL) { + client->normal = (struct normal_client_t*) malloc(sizeof(struct normal_client_t)); + if(client->normal == NULL) { + error("ERROR: Out of memory\n"); + return -1; + } + } + + device_error = idevice_event_subscribe(&normal_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 (normal_device_connected == 1) { + break; + } + + if (i == attempts) { + error("ERROR: Unable to connect to device in normal mode\n"); + return -1; + } + + sleep(2); + } + + device_error = idevice_new(&device, client->uuid); + if (device_error != IDEVICE_E_SUCCESS) { + return -1; + } + + lockdownd_error = lockdownd_client_new(device, &lockdownd, "idevicerestore"); + if (lockdownd_error != LOCKDOWN_E_SUCCESS) { + //idevice_event_unsubscribe(); + idevice_free(device); + return -1; + } + + char* type = NULL; + lockdownd_error = lockdownd_query_type(lockdownd, &type); + if (lockdownd_error != LOCKDOWN_E_SUCCESS) { + lockdownd_client_free(lockdownd); + //idevice_event_unsubscribe(); + idevice_free(device); + return -1; + } + + client->normal->device = device; + client->normal->client = lockdownd; + return 0; +} + +int normal_check_device(const char* uuid) { + int i = 0; + idevice_t device = NULL; + char* product_type = NULL; + plist_t product_type_node = NULL; + lockdownd_client_t lockdown = NULL; + idevice_error_t device_error = IDEVICE_E_SUCCESS; + lockdownd_error_t lockdown_error = IDEVICE_E_SUCCESS; + + device_error = idevice_new(&device, uuid); + if (device_error != IDEVICE_E_SUCCESS) { + return -1; + } + + lockdown_error = lockdownd_client_new_with_handshake(device, &lockdown, "idevicerestore"); + if (lockdown_error != LOCKDOWN_E_SUCCESS) { + idevice_free(device); + return -1; + } + + lockdown_error = lockdownd_get_value(lockdown, NULL, "ProductType", &product_type_node); + if (lockdown_error != LOCKDOWN_E_SUCCESS) { + lockdownd_client_free(lockdown); + idevice_free(device); + return -1; + } + + lockdownd_client_free(lockdown); + idevice_free(device); + lockdown = NULL; + device = NULL; + + if (!product_type_node || plist_get_node_type(product_type_node) != PLIST_STRING) { + if (product_type_node) plist_free(product_type_node); + return -1; + } + plist_get_string_val(product_type_node, &product_type); + plist_free(product_type_node); + + for (i = 0; idevicerestore_devices[i].product != NULL; i++) { + if (!strcmp(product_type, idevicerestore_devices[i].product)) { + break; + } + } + + return idevicerestore_devices[i].index; +} + +int normal_enter_recovery(struct idevicerestore_client_t* client) { + idevice_t device = NULL; + irecv_client_t recovery = NULL; + lockdownd_client_t lockdown = NULL; + irecv_error_t recovery_error = IRECV_E_SUCCESS; + idevice_error_t device_error = IDEVICE_E_SUCCESS; + lockdownd_error_t lockdown_error = LOCKDOWN_E_SUCCESS; + + device_error = idevice_new(&device, client->uuid); + if (device_error != IDEVICE_E_SUCCESS) { + error("ERROR: Unable to find device\n"); + return -1; + } + + lockdown_error = lockdownd_client_new(device, &lockdown, "idevicerestore"); + if (lockdown_error != LOCKDOWN_E_SUCCESS) { + error("ERROR: Unable to connect to lockdownd service\n"); + idevice_free(device); + return -1; + } + + lockdown_error = lockdownd_enter_recovery(lockdown); + if (lockdown_error != LOCKDOWN_E_SUCCESS) { + error("ERROR: Unable to place device in recovery mode\n"); + lockdownd_client_free(lockdown); + idevice_free(device); + return -1; + } + + lockdownd_client_free(lockdown); + idevice_free(device); + lockdown = NULL; + device = NULL; + + if (recovery_open_with_timeout(client) < 0) { + error("ERROR: Unable to enter recovery mode\n"); + return -1; + } + + recovery_error = irecv_send_command(recovery, "setenv auto-boot true"); + if (recovery_error != IRECV_E_SUCCESS) { + error("ERROR: Unable to reset auto-boot variable\n"); + irecv_close(recovery); + return -1; + } + + recovery_error = irecv_send_command(recovery, "saveenv"); + if (recovery_error != IRECV_E_SUCCESS) { + error("ERROR: Unable to save auto-boot variable\n"); + irecv_close(recovery); + return -1; + } + + //client->mode = &idevicerestore_modes[MODE_RECOVERY]; + irecv_close(recovery); + recovery = NULL; + return 0; +} + +int normal_get_cpid(const char* uuid, uint32_t* cpid) { + return 0; +} + +int normal_get_bdid(const char* uuid, uint32_t* bdid) { + return 0; +} + +int normal_get_ecid(const char* uuid, uint64_t* ecid) { + idevice_t device = NULL; + plist_t unique_chip_node = NULL; + lockdownd_client_t lockdown = NULL; + idevice_error_t device_error = IDEVICE_E_SUCCESS; + lockdownd_error_t lockdown_error = IDEVICE_E_SUCCESS; + + device_error = idevice_new(&device, uuid); + if (device_error != IDEVICE_E_SUCCESS) { + return -1; + } + + lockdown_error = lockdownd_client_new_with_handshake(device, &lockdown, "idevicerestore"); + if (lockdown_error != LOCKDOWN_E_SUCCESS) { + error("ERROR: Unable to connect to lockdownd\n"); + idevice_free(device); + return -1; + } + + lockdown_error = lockdownd_get_value(lockdown, NULL, "UniqueChipID", &unique_chip_node); + if (lockdown_error != LOCKDOWN_E_SUCCESS) { + error("ERROR: Unable to get UniqueChipID from lockdownd\n"); + lockdownd_client_free(lockdown); + idevice_free(device); + return -1; + } + + if (!unique_chip_node || plist_get_node_type(unique_chip_node) != PLIST_UINT) { + error("ERROR: Unable to get ECID\n"); + lockdownd_client_free(lockdown); + idevice_free(device); + return -1; + } + plist_get_uint_val(unique_chip_node, ecid); + plist_free(unique_chip_node); + + lockdownd_client_free(lockdown); + idevice_free(device); + lockdown = NULL; + device = NULL; return 0; } diff --git a/src/normal.h b/src/normal.h index 3e2868d..e86bf14 100644 --- a/src/normal.h +++ b/src/normal.h @@ -19,11 +19,37 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef NORMAL_H -#define NORMAL_H +#ifndef IDEVICERESTORE_NORMAL_H +#define IDEVICERESTORE_NORMAL_H + +#ifdef __cplusplus +extern "C" { +#endif #include <stdint.h> +#include <libimobiledevice/lockdown.h> +#include <libimobiledevice/libimobiledevice.h> + +struct normal_client_t { + idevice_t device; + lockdownd_client_t client; + const char* ipsw; + plist_t tss; +}; -int normal_get_ecid(uint64_t* ecid); + +int normal_check_mode(const char* uuid); +int normal_check_device(const char* uuid); +int normal_client_new(struct idevicerestore_client_t* client); +void normal_client_free(struct idevicerestore_client_t* client); +int normal_open_with_timeout(struct idevicerestore_client_t* client); +int normal_enter_recovery(struct idevicerestore_client_t* client); +int normal_get_cpid(const char* uuid, uint32_t* cpid); +int normal_get_bdid(const char* uuid, uint32_t* cpid); +int normal_get_ecid(const char* uuid, uint64_t* ecid); + +#ifdef __cplusplus +} +#endif #endif diff --git a/src/recovery.c b/src/recovery.c index 4e2e7ad..6a38343 100644 --- a/src/recovery.c +++ b/src/recovery.c @@ -21,249 +21,389 @@ #include <stdio.h> #include <stdlib.h> -#include <stdint.h> #include <libirecovery.h> +#include <libimobiledevice/restore.h> +#include <libimobiledevice/libimobiledevice.h> #include "tss.h" #include "img3.h" +#include "common.h" +#include "restore.h" #include "recovery.h" #include "idevicerestore.h" -int recovery_send_signed_component(irecv_client_t client, char* ipsw, plist_t tss, char* component) { - int size = 0; - char* data = NULL; - char* path = NULL; - char* blob = NULL; - img3_file* img3 = NULL; - irecv_error_t error = 0; - - if (get_signed_component_by_name(ipsw, tss, component, &data, &size) < 0) { - error("ERROR: Unable to get signed component: %s\n", component); - return -1; +int recovery_progress_callback(irecv_client_t client, const irecv_event_t* event) { + if (event->type == IRECV_PROGRESS) { + print_progress_bar(event->progress); } + return 0; +} - info("Sending %s...\n", component); - error = irecv_send_buffer(client, data, size); - if (error != IRECV_E_SUCCESS) { - error("ERROR: Unable to send IMG3: %s\n", path); - img3_free(img3); - free(data); - free(path); +int recovery_client_new(struct idevicerestore_client_t* client) { + struct recovery_client_t* recovery = (struct recovery_client_t*) malloc(sizeof(struct recovery_client_t)); + if (recovery == NULL) { + error("ERROR: Out of memory\n"); return -1; } - if (data) { - free(data); - data = NULL; + client->recovery = recovery; + + if (recovery_open_with_timeout(client) < 0) { + recovery_client_free(client); + return -1; } + client->recovery = recovery; return 0; } -irecv_error_t recovery_open_with_timeout(irecv_client_t* client) { +void recovery_client_free(struct idevicerestore_client_t* client) { + if(client) { + if (client->recovery) { + if(client->recovery->client) { + irecv_close(client->recovery->client); + client->recovery->client = NULL; + } + free(client->recovery); + client->recovery = NULL; + } + } +} + +int recovery_open_with_timeout(struct idevicerestore_client_t* client) { int i = 0; - irecv_error_t error = 0; - for (i = 10; i > 0; i--) { - error = irecv_open(client); - if (error == IRECV_E_SUCCESS) { - return error; + int attempts = 10; + irecv_client_t recovery = NULL; + irecv_error_t recovery_error = IRECV_E_UNKNOWN_ERROR; + + if(client->recovery == NULL) { + if(recovery_client_new(client) < 0) { + error("ERROR: Unable to open device in recovery mode\n"); + return -1; + } + return 0; + } + + for (i = 1; i <= attempts; i++) { + recovery_error = irecv_open(&recovery); + if (recovery_error == IRECV_E_SUCCESS) { + break; + } + + if (i >= attempts) { + error("ERROR: Unable to connect to device in recovery mode\n"); + return -1; } sleep(2); - info("Retrying connection...\n"); + debug("Retrying connection...\n"); } - error("ERROR: Unable to connect to recovery device.\n"); - return error; + irecv_event_subscribe(recovery, IRECV_PROGRESS, &recovery_progress_callback, NULL); + client->recovery->client = recovery; + return 0; } -int recovery_send_ibec(char* ipsw, plist_t tss) { +int recovery_check_mode() { + irecv_client_t recovery = NULL; + irecv_error_t recovery_error = IRECV_E_SUCCESS; + + recovery_error = irecv_open(&recovery); + if (recovery_error != IRECV_E_SUCCESS) { + return -1; + } + + if (recovery->mode == kDfuMode) { + irecv_close(recovery); + return -1; + } + + irecv_close(recovery); + recovery = NULL; + return 0; +} + +int recovery_enter_restore(struct idevicerestore_client_t* client, plist_t build_identity) { + idevice_t device = NULL; + restored_client_t restore = NULL; + + // upload data to make device boot restore mode + if (recovery_send_ibec(client, build_identity) < 0) { + error("ERROR: Unable to send iBEC\n"); + return -1; + } + sleep(2); + + if (recovery_send_applelogo(client, build_identity) < 0) { + error("ERROR: Unable to send AppleLogo\n"); + return -1; + } + + if (recovery_send_devicetree(client, build_identity) < 0) { + error("ERROR: Unable to send DeviceTree\n"); + return -1; + } + + if (recovery_send_ramdisk(client, build_identity) < 0) { + error("ERROR: Unable to send Ramdisk\n"); + return -1; + } + + // for some reason iboot requires a hard reset after ramdisk + // or things start getting wacky + printf("Please unplug your device, then plug it back in\n"); + printf("Hit any key to continue..."); + getchar(); + + info("Resetting recovery mode connection...\n"); + irecv_reset(client->recovery->client); + + if (recovery_send_kernelcache(client, build_identity) < 0) { + error("ERROR: Unable to send KernelCache\n"); + return -1; + } + + info("Waiting for device to enter restore mode\n"); + if (restore_open_with_timeout(client) < 0) { + error("ERROR: Unable to connect to device in restore mode\n"); + return -1; + } + + restore_client_free(client); + client->mode = &idevicerestore_modes[MODE_RESTORE]; + return 0; +} + +int recovery_send_component(struct idevicerestore_client_t* client, plist_t build_identity, const char* component) { + uint32_t size = 0; + char* data = NULL; + char* path = NULL; + char* blob = NULL; irecv_error_t error = 0; - irecv_client_t client = NULL; - char* component = "iBEC"; - error = recovery_open_with_timeout(&client); - if (error != IRECV_E_SUCCESS) { + if (client->tss) { + if (tss_get_entry_path(client->tss, component, &path) < 0) { + error("ERROR: Unable to get component path\n"); + return -1; + } + } else { + if (build_identity_get_component_path(build_identity, component, &path) < 0) { + error("ERROR: Unable to get component: %s\n", component); + if (path) + free(path); + return -1; + } + } + + info("Resetting recovery mode connection...\n"); + irecv_reset(client->recovery->client); + + if (ipsw_get_component_by_path(client->ipsw, client->tss, path, &data, &size) < 0) { + error("ERROR: Unable to get component: %s\n", component); + free(path); return -1; } - error = irecv_send_command(client, "setenv auto-boot true"); + info("Sending %s (%d bytes)...\n", component, size); + + error = irecv_send_buffer(client->recovery->client, data, size); + free(path); if (error != IRECV_E_SUCCESS) { + error("ERROR: Unable to send %s component: %s\n", component, irecv_strerror(error)); + free(data); + return -1; + } + + free(data); + return 0; +} + +static int recovery_enable_autoboot(struct idevicerestore_client_t* client) { + irecv_error_t recovery_error = IRECV_E_SUCCESS; + //recovery_error = irecv_send_command(client->recovery->client, "setenv auto-boot true"); + recovery_error = irecv_setenv(client->recovery->client, "auto-boot", "true"); + if (recovery_error != IRECV_E_SUCCESS) { error("ERROR: Unable to set auto-boot environmental variable\n"); - irecv_close(client); - client = NULL; return -1; } - error = irecv_send_command(client, "saveenv"); - if (error != IRECV_E_SUCCESS) { + recovery_error = irecv_send_command(client->recovery->client, "saveenv"); + if (recovery_error != IRECV_E_SUCCESS) { error("ERROR: Unable to save environmental variable\n"); - irecv_close(client); - client = NULL; return -1; } - if (recovery_send_signed_component(client, ipsw, tss, component) < 0) { + return 0; +} + +int recovery_send_ibec(struct idevicerestore_client_t* client, plist_t build_identity) { + const char* component = "iBEC"; + irecv_error_t recovery_error = IRECV_E_SUCCESS; + + if (recovery_enable_autoboot(client) < 0) { + return -1; + } + + if (recovery_send_component(client, build_identity, component) < 0) { error("ERROR: Unable to send %s to device.\n", component); - irecv_close(client); - client = NULL; return -1; } - error = irecv_send_command(client, "go"); - if (error != IRECV_E_SUCCESS) { + recovery_error = irecv_send_command(client->recovery->client, "go"); + if (recovery_error != IRECV_E_SUCCESS) { error("ERROR: Unable to execute %s\n", component); - irecv_close(client); - client = NULL; return -1; } - if (client) { - irecv_close(client); - client = NULL; - } return 0; } -int recovery_send_applelogo(char* ipsw, plist_t tss) { - irecv_error_t error = 0; - irecv_client_t client = NULL; - char* component = "AppleLogo"; +int recovery_send_applelogo(struct idevicerestore_client_t* client, plist_t build_identity) { + const char* component = "AppleLogo"; + irecv_error_t recovery_error = IRECV_E_SUCCESS; info("Sending %s...\n", component); - - error = recovery_open_with_timeout(&client); - if (error != IRECV_E_SUCCESS) { + if (recovery_open_with_timeout(client) < 0) { return -1; } - if (recovery_send_signed_component(client, ipsw, tss, component) < 0) { + if (recovery_send_component(client, build_identity, component) < 0) { error("ERROR: Unable to send %s to device.\n", component); - irecv_close(client); - client = NULL; return -1; } - error = irecv_send_command(client, "setpicture 1"); - if (error != IRECV_E_SUCCESS) { + recovery_error = irecv_send_command(client->recovery->client, "setpicture 1"); + if (recovery_error != IRECV_E_SUCCESS) { error("ERROR: Unable to set %s\n", component); - irecv_close(client); - client = NULL; return -1; } - error = irecv_send_command(client, "bgcolor 0 0 0"); - if (error != IRECV_E_SUCCESS) { + recovery_error = irecv_send_command(client->recovery->client, "bgcolor 0 0 0"); + if (recovery_error != IRECV_E_SUCCESS) { error("ERROR: Unable to display %s\n", component); - irecv_close(client); - client = NULL; return -1; } - if (client) { - irecv_close(client); - client = NULL; - } return 0; } -int recovery_send_devicetree(char* ipsw, plist_t tss) { - irecv_error_t error = 0; - irecv_client_t client = NULL; - char *component = "RestoreDeviceTree"; +int recovery_send_devicetree(struct idevicerestore_client_t* client, plist_t build_identity) { + const char* component = "RestoreDeviceTree"; + irecv_error_t recovery_error = IRECV_E_SUCCESS; - error = recovery_open_with_timeout(&client); - if (error != IRECV_E_SUCCESS) { - return -1; + if(client->recovery == NULL) { + if (recovery_open_with_timeout(client) < 0) { + return -1; + } } - if (recovery_send_signed_component(client, ipsw, tss, component) < 0) { + if (recovery_send_component(client, build_identity, component) < 0) { error("ERROR: Unable to send %s to device.\n", component); - irecv_close(client); - client = NULL; return -1; } - error = irecv_send_command(client, "devicetree"); - if (error != IRECV_E_SUCCESS) { + recovery_error = irecv_send_command(client->recovery->client, "devicetree"); + if (recovery_error != IRECV_E_SUCCESS) { error("ERROR: Unable to execute %s\n", component); - irecv_close(client); - client = NULL; return -1; } - if (client) { - irecv_close(client); - client = NULL; - } return 0; } -int recovery_send_ramdisk(char* ipsw, plist_t tss) { - irecv_error_t error = 0; - irecv_client_t client = NULL; - char *component = "RestoreRamDisk"; +int recovery_send_ramdisk(struct idevicerestore_client_t* client, plist_t build_identity) { + const char *component = "RestoreRamDisk"; + irecv_error_t recovery_error = IRECV_E_SUCCESS; - error = recovery_open_with_timeout(&client); - if (error != IRECV_E_SUCCESS) { - return -1; + if(client->recovery == NULL) { + if (recovery_open_with_timeout(client) < 0) { + return -1; + } } - if (recovery_send_signed_component(client, ipsw, tss, component) < 0) { + if (recovery_send_component(client, build_identity, component) < 0) { error("ERROR: Unable to send %s to device.\n", component); - irecv_close(client); - client = NULL; return -1; } - error = irecv_send_command(client, "ramdisk"); - if (error != IRECV_E_SUCCESS) { + recovery_error = irecv_send_command(client->recovery->client, "ramdisk"); + if (recovery_error != IRECV_E_SUCCESS) { error("ERROR: Unable to execute %s\n", component); - irecv_close(client); - client = NULL; return -1; } - if (client) { - irecv_close(client); - client = NULL; - } return 0; } -int recovery_send_kernelcache(char* ipsw, plist_t tss) { - irecv_error_t error = 0; - irecv_client_t client = NULL; - char *component = "RestoreKernelCache"; +int recovery_send_kernelcache(struct idevicerestore_client_t* client, plist_t build_identity) { + const char* component = "RestoreKernelCache"; + irecv_error_t recovery_error = IRECV_E_SUCCESS; - error = recovery_open_with_timeout(&client); - if (error != IRECV_E_SUCCESS) { + if (recovery_open_with_timeout(client) < 0) { return -1; } - if (recovery_send_signed_component(client, ipsw, tss, component) < 0) { + if (recovery_send_component(client, build_identity, component) < 0) { error("ERROR: Unable to send %s to device.\n", component); - irecv_close(client); - client = NULL; return -1; } - error = irecv_send_command(client, "bootx"); - if (error != IRECV_E_SUCCESS) { + recovery_error = irecv_send_command(client->recovery->client, "bootx"); + if (recovery_error != IRECV_E_SUCCESS) { error("ERROR: Unable to execute %s\n", component); - irecv_close(client); - client = NULL; return -1; } - if (client) { - irecv_close(client); - client = NULL; + return 0; +} + +int recovery_get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid) { + irecv_error_t recovery_error = IRECV_E_SUCCESS; + + if(client->recovery == NULL) { + if (recovery_open_with_timeout(client) < 0) { + return -1; + } } + + recovery_error = irecv_get_ecid(client->recovery->client, ecid); + if (recovery_error != IRECV_E_SUCCESS) { + return -1; + } + return 0; } +int recovery_get_cpid(struct idevicerestore_client_t* client, uint32_t* cpid) { + irecv_error_t recovery_error = IRECV_E_SUCCESS; + + if(client->recovery == NULL) { + if (recovery_open_with_timeout(client) < 0) { + return -1; + } + } + + recovery_error = irecv_get_cpid(client->recovery->client, cpid); + if (recovery_error != IRECV_E_SUCCESS) { + return -1; + } + + return 0; +} + +int recovery_get_bdid(struct idevicerestore_client_t* client, uint32_t* bdid) { + irecv_error_t recovery_error = IRECV_E_SUCCESS; + + if(client->recovery == NULL) { + if (recovery_open_with_timeout(client) < 0) { + return -1; + } + } + + recovery_error = irecv_get_bdid(client->recovery->client, bdid); + if (recovery_error != IRECV_E_SUCCESS) { + return -1; + } -int recovery_get_ecid(uint64_t* ecid) { return 0; } diff --git a/src/recovery.h b/src/recovery.h index 5495638..b7cc0e4 100644 --- a/src/recovery.h +++ b/src/recovery.h @@ -19,19 +19,43 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef RECOVERY_H -#define RECOVERY_H +#ifndef IDEVICERESTORE_RECOVERY_H +#define IDEVICERESTORE_RECOVERY_H + +#ifdef __cplusplus +extern "C" { +#endif #include <stdint.h> #include <plist/plist.h> -int recovery_send_signed_component(irecv_client_t client, char* ipsw, plist_t tss, char* component); -irecv_error_t recovery_open_with_timeout(irecv_client_t* client); -int recovery_send_ibec(char* ipsw, plist_t tss); -int recovery_send_applelogo(char* ipsw, plist_t tss); -int recovery_send_devicetree(char* ipsw, plist_t tss); -int recovery_send_ramdisk(char* ipsw, plist_t tss); -int recovery_send_kernelcache(char* ipsw, plist_t tss); -int recovery_get_ecid(uint64_t* ecid); +#include "common.h" + +struct irecv_client; +typedef struct irecv_client* irecv_client_t; +struct recovery_client_t { + irecv_client_t client; + const char* ipsw; + plist_t tss; +}; + +int recovery_check_mode(); +int recovery_open_with_timeout(struct idevicerestore_client_t* client); +int recovery_client_new(struct idevicerestore_client_t* client); +void recovery_client_free(struct idevicerestore_client_t* client); +int recovery_send_component(struct idevicerestore_client_t* client, plist_t build_identity, const char* component); +int recovery_send_ibec(struct idevicerestore_client_t* client, plist_t build_identity); +int recovery_send_applelogo(struct idevicerestore_client_t* client, plist_t build_identity); +int recovery_send_devicetree(struct idevicerestore_client_t* client, plist_t build_identity); +int recovery_send_ramdisk(struct idevicerestore_client_t* client, plist_t build_identity); +int recovery_send_kernelcache(struct idevicerestore_client_t* client, plist_t build_identity); +int recovery_get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid); +int recovery_get_cpid(struct idevicerestore_client_t* client, uint32_t* cpid); +int recovery_get_bdid(struct idevicerestore_client_t* client, uint32_t* bdid); + + +#ifdef __cplusplus +} +#endif #endif diff --git a/src/restore.c b/src/restore.c index 485df9b..5d45296 100644 --- a/src/restore.c +++ b/src/restore.c @@ -24,10 +24,10 @@ #include <string.h> #include <libimobiledevice/restore.h> +#include "asr.h" +#include "tss.h" +#include "common.h" #include "restore.h" -#include "idevicerestore.h" - -#define ASR_PORT 12345 #define CREATE_PARTITION_MAP 12 #define CREATE_FILESYSTEM 13 @@ -44,8 +44,233 @@ #define WAIT_FOR_DEVICE 33 #define LOAD_NOR 36 +static int restore_device_connected = 0; + +int restore_client_new(struct idevicerestore_client_t* client) { + struct restore_client_t* restore = (struct restore_client_t*) malloc(sizeof(struct restore_client_t)); + if (restore == NULL) { + error("ERROR: Out of memory\n"); + return -1; + } + + if (restore_open_with_timeout(client) < 0) { + restore_client_free(client); + return -1; + } + + client->restore = restore; + return 0; +} + +void restore_client_free(struct idevicerestore_client_t* client) { + if (client) { + if(client->restore) { + if(client->restore->client) { + restored_client_free(client->restore->client); + client->restore->client = NULL; + } + if(client->restore->device) { + idevice_free(client->restore->device); + client->restore->device = NULL; + } + free(client->restore); + client->restore = NULL; + } + } +} + +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].index; +} + +void restore_device_callback(const idevice_event_t* event, void* userdata) { + struct idevicerestore_client_t* client = (struct idevicerestore_client_t*) userdata; + if (event->event == IDEVICE_DEVICE_ADD) { + restore_device_connected = 1; + + } else if (event->event == IDEVICE_DEVICE_REMOVE) { + restore_device_connected = 0; + client->flags &= FLAG_QUIT; + } +} + +int restore_reboot(struct idevicerestore_client_t* client) { + idevice_t device = NULL; + restored_client_t restore = NULL; + restored_error_t restore_error = RESTORE_E_SUCCESS; + + if(client->restore == NULL) { + if (restore_open_with_timeout(client) < 0) { + error("ERROR: Unable to open device in restore mode\n"); + return -1; + } + } + + restore_error = restored_reboot(client->restore->client); + if (restore_error != RESTORE_E_SUCCESS) { + error("ERROR: Unable to reboot the device from restore mode\n"); + return -1; + } + + return 0; +} + +int restore_open_with_timeout(struct idevicerestore_client_t* client) { + int i = 0; + int attempts = 10; + idevice_t device = NULL; + restored_client_t restored = NULL; + idevice_error_t device_error = IDEVICE_E_SUCCESS; + restored_error_t restore_error = RESTORE_E_SUCCESS; + + // no context exists so bail + if(client == NULL) { + return -1; + } + + // create our restore client if it doesn't yet exist + if(client->restore == NULL) { + client->restore = (struct restore_client_t*) malloc(sizeof(struct restore_client_t)); + if(client->restore == NULL) { + error("ERROR: Out of memory\n"); + return -1; + } + } + + 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"); + return -1; + } + + sleep(2); + } + + device_error = idevice_new(&device, client->uuid); + if (device_error != IDEVICE_E_SUCCESS) { + return -1; + } + + restore_error = restored_client_new(device, &restored, "idevicerestore"); + if (restore_error != RESTORE_E_SUCCESS) { + //idevice_event_unsubscribe(); + idevice_free(device); + return -1; + } + + restore_error = restored_query_type(restored, NULL, NULL); + if (restore_error != RESTORE_E_SUCCESS) { + restored_client_free(restored); + //idevice_event_unsubscribe(); + idevice_free(device); + return -1; + } + + client->restore->device = device; + client->restore->client = restored; + return 0; +} + const char* restore_progress_string(unsigned int operation) { - switch(operation) { + switch (operation) { case CREATE_PARTITION_MAP: return "Creating partition map"; @@ -93,217 +318,122 @@ 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_UINT == plist_get_node_type(node)) { - plist_get_uint_val(node, &operation); - } else { + if (!node || plist_get_node_type(node) != PLIST_UINT) { debug("Failed to parse operation from ProgressMsg plist\n"); - return 0; + return -1; } + plist_get_uint_val(node, &operation); 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 { + if (!node || plist_get_node_type(node) != PLIST_UINT) { debug("Failed to parse progress from ProgressMsg plist \n"); - return 0; + return -1; } + plist_get_uint_val(node, &progress); + + if ((progress > 0) && (progress < 100)) { + print_progress_bar((double) progress); - if ((progress > 0) && (progress < 100)) - info("%s - Progress: %ul%%\n", restore_progress_string(operation), progress); - else + } 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 asr_send_system_image_data_from_file(idevice_t device, restored_client_t client, const char *filesystem) { +int restore_send_filesystem(idevice_t device, 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; + FILE* file = NULL; + plist_t data = NULL; + idevice_connection_t asr = NULL; + idevice_error_t device_error = IDEVICE_E_UNKNOWN_ERROR; - else - sleep(1); + if (asr_open_with_timeout(device, &asr) < 0) { + error("ERROR: Unable to connect to ASR\n"); + return -1; } + info("Connected to ASR\n"); - 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; + // 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; } - info("Received %d bytes\n", recv_bytes); - info("%s", buffer); - - FILE* fd = fopen(filesystem, "rb"); - if (fd == NULL) { - 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; } - - 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 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; } + info("Filesystem finished\n"); - 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")); + asr_close(asr); + return 0; +} - fseek(fd, 0, SEEK_SET); - char data[1450]; - for (i = len; i > 0; i -= 1450) { - int size = 1450; - if (i < 1450) { - size = i; - } +int restore_send_kernelcache(restored_client_t restore, struct idevicerestore_client_t* client, plist_t build_identity) { + int size = 0; + char* data = NULL; + char* path = NULL; + plist_t blob = NULL; + plist_t dict = NULL; + restored_error_t restore_error = RESTORE_E_SUCCESS; - if (fread(data, 1, size, fd) != (unsigned int) size) { - fclose(fd); - idevice_disconnect(connection); - error("Error reading filesystem\n"); - return IDEVICE_E_UNKNOWN_ERROR; - } + info("Sending kernelcache\n"); - ret = idevice_connection_send(connection, data, size, &sent_bytes); - if (ret != IDEVICE_E_SUCCESS) { - fclose(fd); + if (client->tss) { + if (tss_get_entry_path(client->tss, "KernelCache", &path) < 0) { + error("ERROR: Unable to get KernelCache path\n"); + return -1; } - - if (i % (1450 * 1000) == 0) { - info("."); + } else { + if (build_identity_get_component_path(build_identity, "KernelCache", &path) < 0) { + error("ERROR: Unable to find kernelcache path\n"); + if (path) + free(path); + return -1; } } - 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); + if (ipsw_get_component_by_path(client->ipsw, client->tss, path, &data, &size) < 0) { + error("ERROR: Unable to get kernelcache file\n"); + return -1; + } - plist_t dict = plist_new_dict(); - plist_dict_insert_item(dict, "KernelCacheFile", kernelcache_node); + dict = plist_new_dict(); + blob = plist_new_data(data, size); + plist_dict_insert_item(dict, "KernelCacheFile", blob); - restored_error_t ret = restored_send(client, dict); - if (ret != RESTORE_E_SUCCESS) { + restore_error = restored_send(restore, dict); + if (restore_error != RESTORE_E_SUCCESS) { error("ERROR: Unable to send kernelcache data\n"); plist_free(dict); return -1; @@ -311,55 +441,70 @@ int restore_send_kernelcache(restored_client_t client, char *kernel_data, int le info("Done sending kernelcache\n"); plist_free(dict); + free(data); return 0; } -int restore_send_nor_data(restored_client_t client, char* ipsw, plist_t tss) { +int restore_send_nor(restored_client_t restore, struct idevicerestore_client_t* client, plist_t build_identity) { 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 = NULL; + char firmware_path[256]; + char manifest_file[256]; + int manifest_size = 0; + char* manifest_data = NULL; + char firmware_filename[256]; + int llb_size = 0; + char* llb_data = NULL; + plist_t dict = NULL; + char* filename = NULL; + int nor_size = 0; + char* nor_data = NULL; + plist_t norimage_array = NULL; + restored_error_t ret = RESTORE_E_SUCCESS; + + if (client->tss) { + if (tss_get_entry_path(client->tss, "LLB", &llb_path) < 0) { + error("ERROR: Unable to get LLB path\n"); + return -1; + } + } else { + if (build_identity_get_component_path(build_identity, "LLB", &llb_path) < 0) { + error("ERROR: Unable to get component: LLB\n"); + if (llb_path) + free(llb_path); + return -1; + } } - char* llb_filename = strstr(llb_path, "LLB"); + 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; } - 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) { + if (ipsw_extract_to_memory(client->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"); + dict = plist_new_dict(); + 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) { + if (ipsw_get_component_by_path(client->ipsw, client->tss, firmware_filename, &llb_data, &llb_size) < 0) { error("ERROR: Unable to get signed LLB\n"); return -1; } @@ -367,14 +512,12 @@ int restore_send_nor_data(restored_client_t client, char* ipsw, plist_t tss) { 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(); + 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) { + if (ipsw_get_component_by_path(client->ipsw, client->tss, firmware_filename, &nor_data, &nor_size) < 0) { error("ERROR: Unable to get signed firmware %s\n", firmware_filename); break; } @@ -387,13 +530,9 @@ int restore_send_nor_data(restored_client_t client, char* ipsw, plist_t tss) { } 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); + debug_plist(dict); - restored_error_t ret = restored_send(client, dict); + ret = restored_send(restore, dict); if (ret != RESTORE_E_SUCCESS) { error("ERROR: Unable to send kernelcache data\n"); plist_free(dict); @@ -403,3 +542,137 @@ int restore_send_nor_data(restored_client_t client, char* ipsw, plist_t tss) { plist_free(dict); return 0; } + +int restore_handle_data_request_msg(struct idevicerestore_client_t* client, idevice_t device, restored_client_t restore, plist_t message, plist_t build_identity, 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")) { + if(restore_send_filesystem(device, filesystem) < 0) { + error("ERROR: Unable to send filesystem\n"); + return -1; + } + } + + else if (!strcmp(type, "KernelCache")) { + if(restore_send_kernelcache(restore, client, build_identity) < 0) { + error("ERROR: Unable to send kernelcache\n"); + return -1; + } + } + + else if (!strcmp(type, "NORData")) { + if(client->flags & FLAG_EXCLUDE > 0) { + if(restore_send_nor(restore, client, build_identity) < 0) { + error("ERROR: Unable to send NOR data\n"); + return -1; + } + } else { + client->flags &= 1; + } + + } else { + // Unknown DataType!! + debug("Unknown data request received\n"); + debug_plist(message); + } + } + return 0; +} + +int restore_device(struct idevicerestore_client_t* client, plist_t build_identity, 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(client) < 0) { + error("ERROR: Unable to open device in restore mode\n"); + return -1; + } + info("Device has successfully entered restore mode\n"); + + restore = client->restore->client; + + // 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_client_free(client); + 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 ((client->flags & FLAG_QUIT) == 0) { + 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(client, device, restore, message, build_identity, 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"); + client->flags &= FLAG_QUIT; + } + + plist_free(message); + message = NULL; + } + + restore_client_free(client); + return 0; +} diff --git a/src/restore.h b/src/restore.h index 644658a..9c11c34 100644 --- a/src/restore.h +++ b/src/restore.h @@ -1,4 +1,4 @@ -/* + /* * restore.h * Functions for handling idevices in restore mode * @@ -19,18 +19,44 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef RESTORED_H -#define RESTORED_H +#ifndef IDEVICERESTORE_RESTORE_H +#define IDEVICERESTORE_RESTORE_H +#ifdef __cplusplus +extern "C" { +#endif + +#include <plist/plist.h> #include <libimobiledevice/restore.h> +#include <libimobiledevice/libimobiledevice.h> -#include "restore.h" +struct restore_client_t { + plist_t tss; + idevice_t device; + const char* uuid; + unsigned int operation; + const char* filesystem; + restored_client_t client; +}; -int restore_handle_progress_msg(restored_client_t client, plist_t msg); -int restore_handle_status_msg(restored_client_t client, plist_t msg); -int asr_send_system_image_data_from_file(idevice_t device, restored_client_t client, const char *filesystem); -int restore_send_kernelcache(restored_client_t client, char *kernel_data, int len); -int restore_send_nor_data(restored_client_t client, char* ipsw, plist_t tss); +int restore_check_mode(const char* uuid); +int restore_check_device(const char* uuid); +int restore_client_new(struct idevicerestore_client_t* client); +void restore_client_free(struct idevicerestore_client_t* client); +int restore_reboot(struct idevicerestore_client_t* client); const char* restore_progress_string(unsigned int operation); +int restore_handle_status_msg(restored_client_t client, plist_t msg); +int restore_handle_progress_msg(restored_client_t client, plist_t msg); +int restore_handle_data_request_msg(struct idevicerestore_client_t* client, idevice_t device, restored_client_t restore, plist_t message, plist_t build_identity, const char* filesystem); +int restore_send_nor(restored_client_t restore, struct idevicerestore_client_t* client, plist_t build_identity); +int restore_send_kernelcache(restored_client_t restore, struct idevicerestore_client_t* client, plist_t build_identity); +int restore_device(struct idevicerestore_client_t* client, plist_t build_identity, const char* filesystem); +int restore_open_with_timeout(struct idevicerestore_client_t* client); +int restore_send_filesystem(idevice_t device, const char* filesystem); + + +#ifdef __cplusplus +} +#endif #endif @@ -36,23 +36,10 @@ typedef struct { char* content; } tss_response; -plist_t tss_create_request(plist_t buildmanifest, uint64_t ecid) { - // Fetch build information from BuildManifest - plist_t build_identities_array = plist_dict_get_item(buildmanifest, "BuildIdentities"); - if (!build_identities_array || plist_get_node_type(build_identities_array) != PLIST_ARRAY) { - error("ERROR: Unable to find BuildIdentities array\n"); - return NULL; - } - - plist_t restore_identity_dict = plist_array_get_item(build_identities_array, 0); - if (!restore_identity_dict || plist_get_node_type(restore_identity_dict) != PLIST_DICT) { - error("ERROR: Unable to find restore identity\n"); - return NULL; - } - +plist_t tss_create_request(plist_t build_identity, uint64_t ecid) { uint64_t unique_build_size = 0; char* unique_build_data = NULL; - plist_t unique_build_node = plist_dict_get_item(restore_identity_dict, "UniqueBuildID"); + plist_t unique_build_node = plist_dict_get_item(build_identity, "UniqueBuildID"); if (!unique_build_node || plist_get_node_type(unique_build_node) != PLIST_DATA) { error("ERROR: Unable to find UniqueBuildID node\n"); return NULL; @@ -61,7 +48,7 @@ plist_t tss_create_request(plist_t buildmanifest, uint64_t ecid) { int chip_id = 0; char* chip_id_string = NULL; - plist_t chip_id_node = plist_dict_get_item(restore_identity_dict, "ApChipID"); + plist_t chip_id_node = plist_dict_get_item(build_identity, "ApChipID"); if (!chip_id_node || plist_get_node_type(chip_id_node) != PLIST_STRING) { error("ERROR: Unable to find ApChipID node\n"); return NULL; @@ -71,7 +58,7 @@ plist_t tss_create_request(plist_t buildmanifest, uint64_t ecid) { int board_id = 0; char* board_id_string = NULL; - plist_t board_id_node = plist_dict_get_item(restore_identity_dict, "ApBoardID"); + plist_t board_id_node = plist_dict_get_item(build_identity, "ApBoardID"); if (!board_id_node || plist_get_node_type(board_id_node) != PLIST_STRING) { error("ERROR: Unable to find ApBoardID node\n"); return NULL; @@ -81,7 +68,7 @@ plist_t tss_create_request(plist_t buildmanifest, uint64_t ecid) { int security_domain = 0; char* security_domain_string = NULL; - plist_t security_domain_node = plist_dict_get_item(restore_identity_dict, "ApSecurityDomain"); + plist_t security_domain_node = plist_dict_get_item(build_identity, "ApSecurityDomain"); if (!security_domain_node || plist_get_node_type(security_domain_node) != PLIST_STRING) { error("ERROR: Unable to find ApSecurityDomain node\n"); return NULL; @@ -112,7 +99,7 @@ plist_t tss_create_request(plist_t buildmanifest, uint64_t ecid) { free(unique_build_data); // Add all firmware files to TSS request - plist_t manifest_node = plist_dict_get_item(restore_identity_dict, "Manifest"); + 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 restore manifest\n"); plist_free(tss_request); @@ -137,13 +124,10 @@ plist_t tss_create_request(plist_t buildmanifest, uint64_t ecid) { plist_dict_insert_item(tss_request, key, tss_entry); free(key); } - plist_free(manifest_node); - int sz = 0; - char* xml = NULL; - plist_to_xml(tss_request, &xml, &sz); - debug("%s", xml); - free(xml); + if (idevicerestore_debug) { + debug_plist(tss_request); + } return tss_request; } @@ -198,7 +182,6 @@ plist_t tss_send_request(plist_t tss_request) { curl_global_cleanup(); if (strstr(response->content, "MESSAGE=SUCCESS") == NULL) { - error("ERROR: Unable to get signature from this firmware\n"); free(response->content); free(response); return NULL; @@ -219,15 +202,111 @@ plist_t tss_send_request(plist_t tss_request) { free(response->content); free(response); - int sz = 0; - char* xml = NULL; - plist_to_xml(tss_response, &xml, &sz); - debug("%s", xml); - free(xml); + if (idevicerestore_debug) { + debug_plist(tss_response); + } return tss_response; } -void tss_stitch_img3(img3_file* file, plist_t signature) { +int tss_get_entry_path(plist_t tss, const char* entry, char** path) { + char* path_string = NULL; + plist_t path_node = NULL; + plist_t entry_node = NULL; + + *path = NULL; + + entry_node = plist_dict_get_item(tss, entry); + if (!entry_node || plist_get_node_type(entry_node) != PLIST_DICT) { + error("ERROR: Unable to find %s entry in TSS response\n", entry); + return -1; + } + + path_node = plist_dict_get_item(entry_node, "Path"); + if (!path_node || plist_get_node_type(path_node) != PLIST_STRING) { + error("ERROR: Unable to find %s path in entry\n", path_string); + return -1; + } + plist_get_string_val(path_node, &path_string); + + *path = path_string; + return 0; +} + +int tss_get_blob_by_path(plist_t tss, const char* path, char** blob) { + int i = 0; + uint32_t tss_size = 0; + uint64_t blob_size = 0; + char* entry_key = NULL; + char* blob_data = NULL; + char* entry_path = NULL; + plist_t tss_entry = NULL; + plist_t blob_node = NULL; + plist_t path_node = NULL; + plist_dict_iter iter = NULL; + + *blob = NULL; + + plist_dict_new_iter(tss, &iter); + tss_size = plist_dict_get_size(tss); + for (i = 0; i < tss_size; i++) { + plist_dict_next_item(tss, iter, &entry_key, &tss_entry); + if (entry_key == NULL) + break; + + if (!tss_entry || plist_get_node_type(tss_entry) != PLIST_DICT) { + continue; + } + + path_node = plist_dict_get_item(tss_entry, "Path"); + if (!path_node || plist_get_node_type(path_node) != PLIST_STRING) { + error("ERROR: Unable to find TSS path node in entry %s\n", entry_key); + return -1; + } + + plist_get_string_val(path_node, &entry_path); + if (strcmp(path, entry_path) == 0) { + 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", entry_key); + return -1; + } + plist_get_data_val(blob_node, &blob_data, &blob_size); + break; + } + + free(entry_key); + } + + if (blob_data == NULL || blob_size <= 0) { + return -1; + } + + *blob = blob_data; + return 0; +} + +int tss_get_blob_by_name(plist_t tss, const char* entry, char** blob) { + uint64_t blob_size = 0; + char* blob_data = NULL; + plist_t blob_node = NULL; + plist_t tss_entry = NULL; + + *blob = NULL; + + tss_entry = plist_dict_get_item(tss, entry); + if (!tss_entry || plist_get_node_type(tss_entry) != PLIST_DICT) { + error("ERROR: Unable to find %s entry in TSS response\n", entry); + return -1; + } + + 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 blob in %s entry\n", entry); + return -1; + } + plist_get_data_val(blob_node, &blob_data, &blob_size); + *blob = blob_data; + return 0; } @@ -19,15 +19,24 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef TSS_H -#define TSS_H +#ifndef IDEVICERESTORE_TSS_H +#define IDEVICERESTORE_TSS_H + +#ifdef __cplusplus +extern "C" { +#endif #include <plist/plist.h> -#include "img3.h" +plist_t tss_send_request(plist_t request); +plist_t tss_create_request(plist_t build_identity, uint64_t ecid); +int tss_get_entry_path(plist_t tss, const char* entry, char** path); +int tss_get_blob_by_path(plist_t tss, const char* path, char** blob); +int tss_get_blob_by_name(plist_t tss, const char* entry, char** blob); -plist_t tss_create_request(plist_t buildmanifest, uint64_t ecid); -plist_t tss_send_request(plist_t tss_request); -void tss_stitch_img3(img3_file* file, plist_t signature); + +#ifdef __cplusplus +} +#endif #endif |