diff options
Diffstat (limited to 'src/libirecovery.c')
| -rw-r--r-- | src/libirecovery.c | 672 |
1 files changed, 0 insertions, 672 deletions
diff --git a/src/libirecovery.c b/src/libirecovery.c deleted file mode 100644 index dd5c734..0000000 --- a/src/libirecovery.c +++ /dev/null @@ -1,672 +0,0 @@ -/** - * iRecovery - Utility for DFU 2.0, WTF and Recovery Mode - * Copyright (C) 2008 - 2009 westbaer - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <libusb-1.0/libusb.h> - -#include "libirecovery.h" - -#define BUFFER_SIZE 0x1000 -#define debug(...) if(libirecovery_debug) fprintf(stderr, __VA_ARGS__) - -static int libirecovery_debug = 0; -static libusb_context* libirecovery_context = NULL; - -int irecv_write_file(const char* filename, const void* data, size_t size); -int irecv_read_file(const char* filename, char** data, uint32_t* size); - -irecv_error_t irecv_open(irecv_client_t* pclient) { - int i = 0; - char serial[256]; - struct libusb_device* usb_device = NULL; - struct libusb_device** usb_device_list = NULL; - struct libusb_device_handle* usb_handle = NULL; - struct libusb_device_descriptor usb_descriptor; - - *pclient = NULL; - libusb_init(&libirecovery_context); - if(libirecovery_debug) { - irecv_set_debug_level(libirecovery_debug); - } - - irecv_error_t error = IRECV_E_SUCCESS; - int usb_device_count = libusb_get_device_list(libirecovery_context, &usb_device_list); - for (i = 0; i < usb_device_count; i++) { - usb_device = usb_device_list[i]; - libusb_get_device_descriptor(usb_device, &usb_descriptor); - if (usb_descriptor.idVendor == APPLE_VENDOR_ID) { - /* verify this device is in a mode we understand */ - if (usb_descriptor.idProduct == kRecoveryMode1 || - usb_descriptor.idProduct == kRecoveryMode2 || - usb_descriptor.idProduct == kRecoveryMode3 || - usb_descriptor.idProduct == kRecoveryMode4 || - usb_descriptor.idProduct == kDfuMode) { - - libusb_open(usb_device, &usb_handle); - if (usb_handle == NULL) { - libusb_free_device_list(usb_device_list, 1); - libusb_close(usb_handle); - libusb_exit(libirecovery_context); - return IRECV_E_UNABLE_TO_CONNECT; - } - libusb_free_device_list(usb_device_list, 1); - - irecv_client_t client = (irecv_client_t) malloc(sizeof(struct irecv_client)); - if (client == NULL) { - libusb_close(usb_handle); - libusb_exit(libirecovery_context); - return IRECV_E_OUT_OF_MEMORY; - } - - memset(client, '\0', sizeof(struct irecv_client)); - client->interface = 0; - client->handle = usb_handle; - client->mode = usb_descriptor.idProduct; - - error = irecv_set_configuration(client, 1); - if (error != IRECV_E_SUCCESS) { - return error; - } - - error = irecv_set_interface(client, 1, 1); - if (error != IRECV_E_SUCCESS) { - return error; - } - - *pclient = client; - return IRECV_E_SUCCESS; - } - } - } - - return IRECV_E_UNABLE_TO_CONNECT; -} - -irecv_error_t irecv_set_configuration(irecv_client_t client, int configuration) { - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - debug("Setting to configuration %d", configuration); - - int current = 0; - libusb_get_configuration(client->handle, ¤t); - if (current != configuration) { - if (libusb_set_configuration(client->handle, configuration) < 0) { - return IRECV_E_USB_CONFIGURATION; - } - } - - client->config = configuration; - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_set_interface(irecv_client_t client, int interface, int alt_interface) { - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - if (client->interface == interface) { - return IRECV_E_SUCCESS; - } - - debug("Setting to interface %d:%d", interface, alt_interface); - if (libusb_claim_interface(client->handle, interface) < 0) { - return IRECV_E_USB_INTERFACE; - } - - if (libusb_set_interface_alt_setting(client->handle, interface, alt_interface) < 0) { - return IRECV_E_USB_INTERFACE; - } - - client->interface = interface; - client->alt_interface = alt_interface; - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_reset(irecv_client_t client) { - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - libusb_reset_device(client->handle); - - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_event_subscribe(irecv_client_t client, irecv_event_type type, irecv_event_cb_t callback, void* user_data) { - switch(type) { - case IRECV_RECEIVED: - client->received_callback = callback; - break; - - case IRECV_PROGRESS: - client->progress_callback = callback; - - case IRECV_CONNECTED: - client->connected_callback = callback; - - case IRECV_PRECOMMAND: - client->precommand_callback = callback; - break; - - case IRECV_POSTCOMMAND: - client->postcommand_callback = callback; - break; - - case IRECV_DISCONNECTED: - client->disconnected_callback = callback; - - default: - return IRECV_E_UNKNOWN_ERROR; - } - - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_event_unsubscribe(irecv_client_t client, irecv_event_type type) { - switch(type) { - case IRECV_RECEIVED: - client->received_callback = NULL; - break; - - case IRECV_PROGRESS: - client->progress_callback = NULL; - - case IRECV_CONNECTED: - client->connected_callback = NULL; - - case IRECV_PRECOMMAND: - client->precommand_callback = NULL; - break; - - case IRECV_POSTCOMMAND: - client->postcommand_callback = NULL; - break; - - case IRECV_DISCONNECTED: - client->disconnected_callback = NULL; - - default: - return IRECV_E_UNKNOWN_ERROR; - } - - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_close(irecv_client_t client) { - if (client != NULL) { - if(client->disconnected_callback != NULL) { - irecv_event_t event; - event.size = 0; - event.data = NULL; - event.progress = 0; - event.type = IRECV_DISCONNECTED; - client->disconnected_callback(client, &event); - } - - if (client->handle != NULL) { - libusb_release_interface(client->handle, client->interface); - libusb_close(client->handle); - client->handle = NULL; - } - - if (libirecovery_context != NULL) { - libusb_exit(libirecovery_context); - libirecovery_context = NULL; - } - - free(client); - client = NULL; - } - - return IRECV_E_SUCCESS; -} - -void irecv_set_debug_level(int level) { - libirecovery_debug = level; - if(libirecovery_context) { - libusb_set_debug(libirecovery_context, libirecovery_debug); - } -} - -irecv_error_t irecv_send_command(irecv_client_t client, unsigned char* command) { - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - unsigned int length = strlen(command); - if (length >= 0x100) { - length = 0xFF; - } - - irecv_event_t event; - if(client->precommand_callback != NULL) { - event.size = length; - event.data = command; - event.type = IRECV_PRECOMMAND; - if(client->precommand_callback(client, &event)) { - return IRECV_E_SUCCESS; - } - } - - if (length > 0) { - libusb_control_transfer(client->handle, 0x40, 0, 0, 0, command, length + 1, 100); - } - - if(client->postcommand_callback != NULL) { - event.size = length; - event.data = command; - event.type = IRECV_POSTCOMMAND; - if(client->postcommand_callback(client, &event)) { - return IRECV_E_SUCCESS; - } - } - - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_send_file(irecv_client_t client, const char* filename) { - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - FILE* file = fopen(filename, "rb"); - if (file == NULL) { - return IRECV_E_FILE_NOT_FOUND; - } - - fseek(file, 0, SEEK_END); - int length = ftell(file); - fseek(file, 0, SEEK_SET); - - unsigned char* buffer = (unsigned char*) malloc(length); - if (buffer == NULL) { - fclose(file); - return IRECV_E_OUT_OF_MEMORY; - } - - int bytes = fread(buffer, 1, length, file); - fclose(file); - - if (bytes != length) { - free(buffer); - return IRECV_E_UNKNOWN_ERROR; - } - - irecv_error_t error = irecv_send_buffer(client, buffer, length); - free(buffer); - return error; -} - -irecv_error_t irecv_get_status(irecv_client_t client, unsigned int* status) { - if (client == NULL || client->handle == NULL) { - *status = 0; - return IRECV_E_NO_DEVICE; - } - - unsigned char buffer[6]; - memset(buffer, '\0', 6); - if (libusb_control_transfer(client->handle, 0xA1, 3, 0, 0, buffer, 6, 1000) != 6) { - *status = 0; - return IRECV_E_USB_STATUS; - } - - debug("status: %d\n", (unsigned int) buffer[4]); - *status = (unsigned int) buffer[4]; - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_send_buffer(irecv_client_t client, unsigned char* buffer, unsigned int length) { - irecv_error_t error = 0; - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - int last = length % 0x800; - int packets = length / 0x800; - if (last != 0) { - packets++; - } - - int i = 0; - double progress = 0; - unsigned int count = 0; - unsigned int status = 0; - for (i = 0; i < packets; i++) { - int size = i + 1 < packets ? 0x800 : last; - int bytes = libusb_control_transfer(client->handle, 0x21, 1, 0, 0, &buffer[i * 0x800], size, 1000); - if (bytes != size) { - return IRECV_E_USB_UPLOAD; - } - - error = irecv_get_status(client, &status); - if (error != IRECV_E_SUCCESS) { - return error; - } - - if (status != 5) { - return IRECV_E_USB_UPLOAD; - } - - count += size; - if(client->progress_callback != NULL) { - irecv_event_t event; - event.progress = ((double) count/ (double) length) * 100.0; - event.type = IRECV_PROGRESS; - event.data = "Uploading"; - event.size = count; - client->progress_callback(client, &event); - } else { - debug("Sent: %d bytes - %d of %d\n", bytes, count, length); - } - } - - libusb_control_transfer(client->handle, 0x21, 1, 0, 0, buffer, 0, 1000); - for (i = 0; i < 3; i++) { - error = irecv_get_status(client, &status); - if (error != IRECV_E_SUCCESS) { - return error; - } - } - - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_receive(irecv_client_t client) { - unsigned char buffer[BUFFER_SIZE]; - memset(buffer, '\0', BUFFER_SIZE); - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - int bytes = 0; - while (libusb_bulk_transfer(client->handle, 0x81, buffer, BUFFER_SIZE, &bytes, 100) == 0) { - if (bytes > 0) { - if (client->received_callback != NULL) { - irecv_event_t event; - event.size = bytes; - event.data = buffer; - event.type = IRECV_RECEIVED; - if (client->received_callback(client, &event) != 0) { - return IRECV_E_SUCCESS; - } - } - } else break; - } - - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_getenv(irecv_client_t client, const char* variable, char** value) { - char command[256]; - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - *value = NULL; - - if(variable == NULL) { - return IRECV_E_UNKNOWN_ERROR; - } - - memset(command, '\0', sizeof(command)); - snprintf(command, sizeof(command)-1, "getenv %s", variable); - irecv_error_t error = irecv_send_command(client, command); - if(error != IRECV_E_SUCCESS) { - return error; - } - - unsigned char* response = (unsigned char*) malloc(256); - if (response == NULL) { - return IRECV_E_OUT_OF_MEMORY; - } - - memset(response, '\0', 256); - int ret = libusb_control_transfer(client->handle, 0xC0, 0, 0, 0, response, 255, 500); - if (ret < 0) { - return IRECV_E_UNKNOWN_ERROR; - } - - *value = response; - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_get_cpid(irecv_client_t client, unsigned int* cpid) { - char info[256]; - memset(info, '\0', 256); - - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - libusb_get_string_descriptor_ascii(client->handle, 3, info, 255); - - unsigned char* cpid_string = strstr(info, "CPID:"); - if (cpid_string == NULL) { - *cpid = 0; - return IRECV_E_UNKNOWN_ERROR; - } - sscanf(cpid_string, "CPID:%d", cpid); - - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_get_bdid(irecv_client_t client, unsigned int* bdid) { - char info[256]; - memset(info, '\0', 256); - - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - libusb_get_string_descriptor_ascii(client->handle, 3, info, 255); - - unsigned char* bdid_string = strstr(info, "BDID:"); - if (bdid_string == NULL) { - *bdid = 0; - return IRECV_E_UNKNOWN_ERROR; - } - sscanf(bdid_string, "BDID:%d", bdid); - - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_get_ecid(irecv_client_t client, unsigned long long* ecid) { - char info[256]; - memset(info, '\0', 256); - - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - libusb_get_string_descriptor_ascii(client->handle, 3, info, 255); - - unsigned char* ecid_string = strstr(info, "ECID:"); - if (ecid_string == NULL) { - *ecid = 0; - return IRECV_E_UNKNOWN_ERROR; - } - sscanf(ecid_string, "ECID:%qX", ecid); - - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_send_exploit(irecv_client_t client) { - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - libusb_control_transfer(client->handle, 0x21, 2, 0, 0, NULL, 0, 100); - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_execute_script(irecv_client_t client, const char* filename) { - irecv_error_t error = IRECV_E_SUCCESS; - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - int file_size = 0; - char* file_data = NULL; - if(irecv_read_file(filename, &file_data, &file_size) < 0) { - return IRECV_E_FILE_NOT_FOUND; - } - - char* line = strtok(file_data, "\n"); - while(line != NULL) { - if(line[0] != '#') { - error = irecv_send_command(client, line); - if(error != IRECV_E_SUCCESS) { - return error; - } - - error = irecv_receive(client); - if(error != IRECV_E_SUCCESS) { - return error; - } - } - line = strtok(NULL, "\n"); - } - - return IRECV_E_SUCCESS; -} - -irecv_error_t irecv_setenv(irecv_client_t client, const char* variable, const char* value) { - char command[256]; - if (client == NULL || client->handle == NULL) { - return IRECV_E_NO_DEVICE; - } - - if(variable == NULL || value == NULL) { - return IRECV_E_UNKNOWN_ERROR; - } - - memset(command, '\0', sizeof(command)); - snprintf(command, sizeof(command)-1, "setenv %s %s", variable, value); - irecv_error_t error = irecv_send_command(client, command); - if(error != IRECV_E_SUCCESS) { - return error; - } - - return IRECV_E_SUCCESS; -} - -const char* irecv_strerror(irecv_error_t error) { - switch (error) { - case IRECV_E_SUCCESS: - return "Command completed successfully"; - - case IRECV_E_NO_DEVICE: - return "Unable to find device"; - - case IRECV_E_OUT_OF_MEMORY: - return "Out of memory"; - - case IRECV_E_UNABLE_TO_CONNECT: - return "Unable to connect to device"; - - case IRECV_E_INVALID_INPUT: - return "Invalid input"; - - case IRECV_E_FILE_NOT_FOUND: - return "File not found"; - - case IRECV_E_USB_UPLOAD: - return "Unable to upload data to device"; - - case IRECV_E_USB_STATUS: - return "Unable to get device status"; - - case IRECV_E_USB_INTERFACE: - return "Unable to set device interface"; - - case IRECV_E_USB_CONFIGURATION: - return "Unable to set device configuration"; - - default: - return "Unknown error"; - } - - return NULL; -} - -int irecv_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 irecv_read_file(const char* filename, char** data, uint32_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; -} |