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libirecovery.c
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/**
* GreenPois0n iRecovery - libirecovery.c
* Copyright (C) 2010 Chronic-Dev Team
* Copyright (C) 2010 Joshua Hill
* Copyright (C) 2008-2011 Nicolas Haunold
*
* 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>
#ifndef WIN32
#include <libusb-1.0/libusb.h>
#else
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <setupapi.h>
#endif
#include "libirecovery.h"
#define USB_TIMEOUT 5000
#define BUFFER_SIZE 0x1000
#define debug(...) if(libirecovery_debug) fprintf(stderr, __VA_ARGS__)
static int libirecovery_debug = 0;
#ifndef WIN32
static libusb_context* libirecovery_context = NULL;
#endif
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);
#ifdef WIN32
static const GUID GUID_DEVINTERFACE_IBOOT = {0xED82A167L, 0xD61A, 0x4AF6, {0x9A, 0xB6, 0x11, 0xE5, 0x22, 0x36, 0xC5, 0x76}};
static const GUID GUID_DEVINTERFACE_DFU = {0xB8085869L, 0xFEB9, 0x404B, {0x8C, 0xB1, 0x1E, 0x5C, 0x14, 0xFA, 0x8C, 0x54}};
typedef struct usb_control_request {
uint8_t bmRequestType;
uint8_t bRequest;
uint16_t wValue;
uint16_t wIndex;
uint16_t wLength;
char data[];
} usb_control_request;
irecv_error_t mobiledevice_openpipes(irecv_client_t client);
void mobiledevice_closepipes(irecv_client_t client);
irecv_error_t mobiledevice_connect(irecv_client_t* client) {
irecv_error_t ret;
SP_DEVICE_INTERFACE_DATA currentInterface;
HDEVINFO usbDevices;
DWORD i;
LPSTR path;
irecv_client_t _client = (irecv_client_t) malloc(sizeof(struct irecv_client));
memset(_client, 0, sizeof(struct irecv_client));
// Get DFU paths
usbDevices = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DFU, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
if(!usbDevices) {
return IRECV_E_UNABLE_TO_CONNECT;
}
currentInterface.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
for(i = 0; SetupDiEnumDeviceInterfaces(usbDevices, NULL, &GUID_DEVINTERFACE_DFU, i, ¤tInterface); i++) {
DWORD requiredSize = 0;
PSP_DEVICE_INTERFACE_DETAIL_DATA details;
SetupDiGetDeviceInterfaceDetail(usbDevices, ¤tInterface, NULL, 0, &requiredSize, NULL);
details = (PSP_DEVICE_INTERFACE_DETAIL_DATA) malloc(requiredSize);
details->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
if(!SetupDiGetDeviceInterfaceDetail(usbDevices, ¤tInterface, details, requiredSize, NULL, NULL)) {
irecv_close(_client);
free(details);
SetupDiDestroyDeviceInfoList(usbDevices);
return IRECV_E_UNABLE_TO_CONNECT;
} else {
LPSTR result = (LPSTR) malloc(requiredSize - sizeof(DWORD));
memcpy((void*) result, details->DevicePath, requiredSize - sizeof(DWORD));
free(details);
path = (LPSTR) malloc(requiredSize - sizeof(DWORD));
memcpy((void*) path, (void*) result, requiredSize - sizeof(DWORD));
TCHAR* pathEnd = strstr(path, "#{");
*pathEnd = '\0';
_client->DfuPath = result;
break;
}
}
SetupDiDestroyDeviceInfoList(usbDevices);
// Get iBoot path
usbDevices = SetupDiGetClassDevs(&GUID_DEVINTERFACE_IBOOT, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
if(!usbDevices) {
irecv_close(_client);
return IRECV_E_UNABLE_TO_CONNECT;
}
currentInterface.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
for(i = 0; SetupDiEnumDeviceInterfaces(usbDevices, NULL, &GUID_DEVINTERFACE_IBOOT, i, ¤tInterface); i++) {
DWORD requiredSize = 0;
PSP_DEVICE_INTERFACE_DETAIL_DATA details;
SetupDiGetDeviceInterfaceDetail(usbDevices, ¤tInterface, NULL, 0, &requiredSize, NULL);
details = (PSP_DEVICE_INTERFACE_DETAIL_DATA) malloc(requiredSize);
details->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
if(!SetupDiGetDeviceInterfaceDetail(usbDevices, ¤tInterface, details, requiredSize, NULL, NULL)) {
irecv_close(_client);
free(details);
SetupDiDestroyDeviceInfoList(usbDevices);
return IRECV_E_UNABLE_TO_CONNECT;
} else {
LPSTR result = (LPSTR) malloc(requiredSize - sizeof(DWORD));
memcpy((void*) result, details->DevicePath, requiredSize - sizeof(DWORD));
free(details);
if(strstr(result, path) == NULL) {
free(result);
continue;
}
_client->iBootPath = result;
break;
}
}
SetupDiDestroyDeviceInfoList(usbDevices);
free(path);
ret = mobiledevice_openpipes(_client);
if (ret != IRECV_E_SUCCESS) return ret;
*client = _client;
return IRECV_E_SUCCESS;
}
irecv_error_t mobiledevice_openpipes(irecv_client_t client) {
if (client->iBootPath && !(client->hIB = CreateFile(client->iBootPath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL))) {
irecv_close(client);
return IRECV_E_UNABLE_TO_CONNECT;
}
if (client->DfuPath && !(client->hDFU = CreateFile(client->DfuPath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL))) {
irecv_close(client);
return IRECV_E_UNABLE_TO_CONNECT;
}
if (client->iBootPath == NULL) {
client->mode = kDfuMode;
client->handle = client->hDFU;
} else {
client->mode = kRecoveryMode2;
client->handle = client->hIB;
}
return IRECV_E_SUCCESS;
}
void mobiledevice_closepipes(irecv_client_t client) {
if (client->hDFU!=NULL) {
CloseHandle(client->hDFU);
client->hDFU = NULL;
}
if (client->hIB!=NULL) {
CloseHandle(client->hIB);
client->hIB = NULL;
}
}
#endif
int check_context(irecv_client_t client) {
if (client == NULL || client->handle == NULL) {
return IRECV_E_NO_DEVICE;
}
return IRECV_E_SUCCESS;
}
void irecv_init() {
#ifndef WIN32
libusb_init(&libirecovery_context);
#endif
}
void irecv_exit() {
#ifndef WIN32
if (libirecovery_context != NULL) {
libusb_exit(libirecovery_context);
libirecovery_context = NULL;
}
#endif
}
#ifdef __APPLE__
void dummy_callback() { }
#endif
int irecv_control_transfer( irecv_client_t client,
uint8_t bmRequestType,
uint8_t bRequest,
uint16_t wValue,
uint16_t wIndex,
unsigned char *data,
uint16_t wLength,
unsigned int timeout) {
#ifndef WIN32
return libusb_control_transfer(client->handle, bmRequestType, bRequest, wValue, wIndex, data, wLength, timeout);
#else
DWORD count = 0;
DWORD ret;
BOOL bRet;
OVERLAPPED overlapped;
if (data == NULL) wLength = 0;
usb_control_request* packet = (usb_control_request*) malloc(sizeof(usb_control_request) + wLength);
packet->bmRequestType = bmRequestType;
packet->bRequest = bRequest;
packet->wValue = wValue;
packet->wIndex = wIndex;
packet->wLength = wLength;
if (bmRequestType < 0x80 && wLength > 0) {
memcpy(packet->data, data, wLength);
}
memset(&overlapped, 0, sizeof(overlapped));
overlapped.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
DeviceIoControl(client->handle, 0x2200A0, packet, sizeof(usb_control_request) + wLength, packet, sizeof(usb_control_request) + wLength, NULL, &overlapped);
ret = WaitForSingleObject(overlapped.hEvent, timeout);
bRet = GetOverlappedResult(client->handle, &overlapped, &count, FALSE);
CloseHandle(overlapped.hEvent);
if (!bRet) {
CancelIo(client->handle);
free(packet);
return -1;
}
count -= sizeof(usb_control_request);
if (count > 0) {
if (bmRequestType >= 0x80) {
memcpy(data, packet->data, count);
}
}
free(packet);
return count;
#endif
}
int irecv_bulk_transfer(irecv_client_t client,
unsigned char endpoint,
unsigned char *data,
int length,
int *transferred,
unsigned int timeout) {
int ret;
#ifndef WIN32
ret = libusb_bulk_transfer(client->handle, endpoint, data, length, transferred, timeout);
if (ret < 0) {
libusb_clear_halt(client->handle, endpoint);
}
#else
if (endpoint==0x4) {
ret = DeviceIoControl(client->handle, 0x220195, data, length, data, length, (PDWORD) transferred, NULL);
} else {
ret = 0;
}
ret==0?-1:0;
#endif
return ret;
}
int irecv_get_string_descriptor_ascii(irecv_client_t client, uint8_t desc_index, unsigned char * buffer, int size) {
#ifndef WIN32
return libusb_get_string_descriptor_ascii(client->handle, desc_index, buffer, size);
#else
irecv_error_t ret;
unsigned short langid = 0;
unsigned char data[255];
int di, si;
memset(data, 0, sizeof(data));
memset(buffer, 0, size);
ret = irecv_control_transfer(client, 0x80, 0x06, (0x03 << 8) | desc_index, langid, data, sizeof(data), USB_TIMEOUT);
if (ret < 0) return ret;
if (data[1] != 0x03) return IRECV_E_UNKNOWN_ERROR;
if (data[0] > ret) return IRECV_E_UNKNOWN_ERROR;
for (di = 0, si = 2; si < data[0]; si += 2) {
if (di >= (size - 1)) break;
if (data[si + 1]) {
/* high byte */
buffer[di++] = '?';
} else {
buffer[di++] = data[si];
}
}
buffer[di] = 0;
return di;
#endif
}
irecv_error_t irecv_open(irecv_client_t* pclient) {
#ifndef WIN32
int i = 0;
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;
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) {
debug("opening device %04x:%04x...\n", usb_descriptor.idVendor, usb_descriptor.idProduct);
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;
}
if (client->mode != kDfuMode) {
error = irecv_set_interface(client, 0, 0);
error = irecv_set_interface(client, 1, 1);
} else {
error = irecv_set_interface(client, 0, 0);
}
if (error != IRECV_E_SUCCESS) {
return error;
}
/* cache usb serial */
irecv_get_string_descriptor_ascii(client, usb_descriptor.iSerialNumber, (unsigned char*) client->serial, 255);
*pclient = client;
return IRECV_E_SUCCESS;
}
}
}
return IRECV_E_UNABLE_TO_CONNECT;
#else
int ret = mobiledevice_connect(pclient);
if (ret == IRECV_E_SUCCESS) {
irecv_get_string_descriptor_ascii(*pclient, 3, (unsigned char*) (*pclient)->serial, 255);
}
return ret;
#endif
}
irecv_error_t irecv_set_configuration(irecv_client_t client, int configuration) {
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
#ifndef WIN32
debug("Setting to configuration %d\n", 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;
#endif
return IRECV_E_SUCCESS;
}
irecv_error_t irecv_set_interface(irecv_client_t client, int interface, int alt_interface) {
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
#ifndef WIN32
// pod2g 2011-01-07: we may want to claim multiple interfaces
//libusb_release_interface(client->handle, client->interface);
debug("Setting to interface %d:%d\n", 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;
#endif
return IRECV_E_SUCCESS;
}
irecv_error_t irecv_reset(irecv_client_t client) {
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
#ifndef WIN32
libusb_reset_device(client->handle);
#else
int ret;
DWORD count;
ret = DeviceIoControl(client->handle, 0x22000C, NULL, 0, NULL, 0, &count, NULL);
#endif
return IRECV_E_SUCCESS;
}
irecv_error_t irecv_open_attempts(irecv_client_t* pclient, int attempts) {
int i;
for (i = 0; i < attempts; i++) {
if (irecv_open(pclient) != IRECV_E_SUCCESS) {
debug("Connection failed. Waiting 1 sec before retry.\n");
sleep(1);
} else {
return IRECV_E_SUCCESS;
}
}
return IRECV_E_UNABLE_TO_CONNECT;
}
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);
}
#ifndef WIN32
if (client->handle != NULL) {
if (client->mode != kDfuMode) {
libusb_release_interface(client->handle, client->interface);
}
libusb_close(client->handle);
client->handle = NULL;
}
#else
if (client->iBootPath!=NULL) {
free(client->iBootPath);
client->iBootPath = NULL;
}
if (client->DfuPath!=NULL) {
free(client->DfuPath);
client->DfuPath = NULL;
}
mobiledevice_closepipes(client);
#endif
free(client);
client = NULL;
}
return IRECV_E_SUCCESS;
}
void irecv_set_debug_level(int level) {
libirecovery_debug = level;
#ifndef WIN32
if(libirecovery_context) {
libusb_set_debug(libirecovery_context, libirecovery_debug);
}
#endif
}
static irecv_error_t irecv_send_command_raw(irecv_client_t client, char* command) {
unsigned int length = strlen(command);
if (length >= 0x100) {
length = 0xFF;
}
if (length > 0) {
int ret = irecv_control_transfer(client, 0x40, 0, 0, 0, (unsigned char*) command, length + 1, USB_TIMEOUT);
}
return IRECV_E_SUCCESS;
}
irecv_error_t irecv_send_command(irecv_client_t client, char* command) {
irecv_error_t error = 0;
if (check_context(client) != IRECV_E_SUCCESS) 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;
}
}
error = irecv_send_command_raw(client, command);
if (error != IRECV_E_SUCCESS) {
debug("Failed to send command %s\n", command);
if (error != IRECV_E_PIPE)
return error;
}
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, int dfuNotifyFinished) {
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
FILE* file = fopen(filename, "rb");
if (file == NULL) {
return IRECV_E_FILE_NOT_FOUND;
}
fseek(file, 0, SEEK_END);
long length = ftell(file);
fseek(file, 0, SEEK_SET);
char* buffer = (char*) malloc(length);
if (buffer == NULL) {
fclose(file);
return IRECV_E_OUT_OF_MEMORY;
}
long 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, dfuNotifyFinished);
free(buffer);
return error;
}
irecv_error_t irecv_get_status(irecv_client_t client, unsigned int* status) {
if (check_context(client) != IRECV_E_SUCCESS) {
*status = 0;
return IRECV_E_NO_DEVICE;
}
unsigned char buffer[6];
memset(buffer, '\0', 6);
if (irecv_control_transfer(client, 0xA1, 3, 0, 0, buffer, 6, USB_TIMEOUT) != 6) {
*status = 0;
return IRECV_E_USB_STATUS;
}
*status = (unsigned int) buffer[4];
return IRECV_E_SUCCESS;
}
irecv_error_t irecv_send_buffer(irecv_client_t client, unsigned char* buffer, unsigned long length, int dfuNotifyFinished) {
irecv_error_t error = 0;
int recovery_mode = (client->mode != kDfuMode);
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
int packet_size = 32768;
int last = length % packet_size;
int packets = length / packet_size;
if (last != 0) {
packets++;
} else {
last = packet_size;
}
/* initiate transfer */
if (recovery_mode) {
error = irecv_control_transfer(client, 0x41, 0, 0, 0, NULL, 0, USB_TIMEOUT);
} else {
error = irecv_control_transfer(client, 0x21, 4, 0, 0, NULL, 0, USB_TIMEOUT);
}
if (error != IRECV_E_SUCCESS) {
return error;
}
int i = 0;
double progress = 0;
unsigned long count = 0;
unsigned int status = 0;
int bytes = 0;
for (i = 0; i < packets; i++) {
int size = (i + 1) < packets ? packet_size : last;
/* Use bulk transfer for recovery mode and control transfer for DFU and WTF mode */
if (recovery_mode) {
error = irecv_bulk_transfer(client, 0x04, &buffer[i * packet_size], size, &bytes, USB_TIMEOUT);
} else {
bytes = irecv_control_transfer(client, 0x21, 1, 0, 0, &buffer[i * packet_size], size, USB_TIMEOUT);
}
if (bytes != size) {
return IRECV_E_USB_UPLOAD;
}
if (!recovery_mode) {
error = irecv_get_status(client, &status);
}
if (error != IRECV_E_SUCCESS) {
return error;
}
if (!recovery_mode && 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 - %lu of %lu\n", bytes, count, length);
}
}
if (dfuNotifyFinished && !recovery_mode) {
irecv_control_transfer(client, 0x21, 1, 0, 0, (unsigned char*) buffer, 0, USB_TIMEOUT);
for (i = 0; i < 3; i++) {
error = irecv_get_status(client, &status);
if (error != IRECV_E_SUCCESS) {
return error;
}
}
irecv_reset(client);
}
return IRECV_E_SUCCESS;
}
irecv_error_t irecv_receive(irecv_client_t client) {
char buffer[BUFFER_SIZE];
memset(buffer, '\0', BUFFER_SIZE);
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
int bytes = 0;
while (irecv_bulk_transfer(client, 0x81, (unsigned char*) buffer, BUFFER_SIZE, &bytes, 500) == 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;
}
}
if (bytes < BUFFER_SIZE) break;
} else break;
}
return IRECV_E_SUCCESS;
}
irecv_error_t irecv_getenv(irecv_client_t client, const char* variable, char** value) {
int ret = 0;
char command[256];
if (check_context(client) != IRECV_E_SUCCESS) 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_raw(client, command);
if(error == IRECV_E_PIPE) {
return IRECV_E_SUCCESS;
}
if(error != IRECV_E_SUCCESS) {
return error;
}
char* response = (char*) malloc(256);
if (response == NULL) {
return IRECV_E_OUT_OF_MEMORY;
}
memset(response, '\0', 256);
ret = irecv_control_transfer(client, 0xC0, 0, 0, 0, (unsigned char*) response, 255, USB_TIMEOUT);
*value = response;
return IRECV_E_SUCCESS;
}
irecv_error_t irecv_getret(irecv_client_t client, unsigned int* value) {
int ret = 0;
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
*value = 0;
char* response = (char*) malloc(256);
if (response == NULL) {
return IRECV_E_OUT_OF_MEMORY;
}
memset(response, '\0', 256);
ret = irecv_control_transfer(client, 0xC0, 0, 0, 0, (unsigned char*) response, 255, USB_TIMEOUT);
*value = (unsigned int) *response;
return IRECV_E_SUCCESS;
}
irecv_error_t irecv_get_cpid(irecv_client_t client, unsigned int* cpid) {
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
char* cpid_string = strstr(client->serial, "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) {
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
char* bdid_string = strstr(client->serial, "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) {
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
char* ecid_string = strstr(client->serial, "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_get_srnm(irecv_client_t client, unsigned char* srnm) {
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
char* srnmp;
char* srnm_string = strstr(client->serial, "SRNM:[");
if(srnm_string == NULL) {
srnm = NULL;
return IRECV_E_UNKNOWN_ERROR;
}
sscanf(srnm_string, "SRNM:[%s]", srnm);
srnmp = strrchr(srnm, ']');
if(srnmp != NULL) {
*srnmp = '\0';
}
return IRECV_E_SUCCESS;
}
irecv_error_t irecv_get_imei(irecv_client_t client, unsigned char* imei) {
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
char* imeip;
char* imei_string = strstr(client->serial, "IMEI:[");
if (imei_string == NULL) {
*imei = 0;
return IRECV_E_UNKNOWN_ERROR;
}
sscanf(imei_string, "IMEI:[%s]", imei);
imeip = strrchr(imei, ']');
if(imeip != NULL) {
*imeip = '\0';
}
return IRECV_E_SUCCESS;
}
irecv_error_t irecv_send_exploit(irecv_client_t client) {
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
irecv_control_transfer(client, 0x21, 2, 0, 0, NULL, 0, USB_TIMEOUT);
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 (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
char* file_data = NULL;
unsigned int file_size = 0;
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_saveenv(irecv_client_t client) {
irecv_error_t error = irecv_send_command_raw(client, "saveenv");
if(error != IRECV_E_SUCCESS) {
return error;
}
return IRECV_E_SUCCESS;
}
irecv_error_t irecv_setenv(irecv_client_t client, const char* variable, const char* value) {
char command[256];
if (check_context(client) != IRECV_E_SUCCESS) 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_raw(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";