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/*
* iphone.c
* Functions for creating and initializing iPhone structures.
*
* Copyright (c) 2008 Zack C. 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 "usbmux.h"
#include "iphone.h"
#include <usb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* get_iPhone()
*
* Returns a structure with data on the first iPhone it finds.
* (Or NULL, on error)
*/
extern int debug;
iPhone *get_iPhone() {
iPhone *phone = (iPhone*)malloc(sizeof(iPhone));
usbmux_version_header *version = version_header();
// initialize the struct
phone->device = NULL;
phone->__device = NULL;
phone->buffer = NULL;
// Initialize libusb.
usb_init();
usb_find_busses();
usb_find_devices();
struct usb_bus *busses = usb_get_busses(), *bus;
struct usb_device *dev;
for (bus = busses; bus; bus = bus->next) {
for (dev = bus->devices; dev; dev = dev->next) {
if (dev->descriptor.idVendor == 0x05ac && (dev->descriptor.idProduct == 0x1290 || dev->descriptor.idProduct == 0x1291 || dev->descriptor.idProduct == 0x1292)) {
phone->__device = dev;
phone->device = usb_open(phone->__device);
usb_reset(phone->device);
}
}
}
phone->device = NULL; // :( sorry Daniel
phone->__device = NULL; // :( sorry Daniel
for (bus = busses; bus; bus = bus->next) { // do it again as per libusb documentation
for (dev = bus->devices; dev; dev = dev->next) {
if (dev->descriptor.idVendor == 0x05ac && (dev->descriptor.idProduct == 0x1290 || dev->descriptor.idProduct == 0x1291 || dev->descriptor.idProduct == 0x1292)) {
phone->__device = dev;
phone->device = usb_open(phone->__device);
usb_set_configuration(phone->device, 3);
usb_claim_interface(phone->device, 1);
break;
}
}
if (phone->__device && phone->device) break;
}
if (!phone->device || !phone->__device) { // nothing connected
free_iPhone(phone);
if (debug) printf("get_iPhone(): iPhone not found\n");
return NULL;
}
// Okay, initialize the phone now.
int bytes = 0;
bytes = usb_bulk_write(phone->device, BULKOUT, (char*)version, sizeof(*version), 800);
if (bytes < 20 && debug) {
printf("get_iPhone(): libusb did NOT send enough!\n");
if (bytes < 0) {
printf("get_iPhone(): libusb gave me the error %d: %s (%s)\n",
bytes, usb_strerror(), strerror(-bytes));
}
}
bytes = usb_bulk_read(phone->device, BULKIN, (char*)version, sizeof(*version), 800);
if (bytes < 20) {
free_iPhone(phone);
if (debug) printf("get_iPhone(): Invalid version message -- header too short.\n");
if (debug && bytes < 0) printf("get_iPhone(): libusb error message %d: %s (%s)\n", usb_strerror(), strerror(-bytes));
return NULL;
} else {
if (ntohl(version->major) == 1 && ntohl(version->minor) == 0) {
// We're all ready to roll.
printf("get_iPhone() success\n");
return phone;
} else { // BAD HEADER
free_iPhone(phone);
if (debug) printf("get_iPhone(): Received a bad header/invalid version number.");
return NULL;
}
}
if (debug) printf("get_iPhone(): Unknown error.\n");
return NULL; // if it got to this point it's gotta be bad
}
/* free_iPhone(victim)
* This is a library-level function; deals directly with the iPhone to tear down relations,
* but otherwise is mostly internal.
*
* victim: a pointer to an iPhone structure
* Cleans up an iPhone structure, then frees the structure itself.
*/
void free_iPhone(iPhone *victim) {
if (victim->buffer) free(victim->buffer);
if (victim->device) {
usb_release_interface(victim->device, 1);
usb_reset(victim->device);
usb_close(victim->device);
}
free(victim);
}
/* send_to_phone(phone, data, datalen)
* This is a low-level (i.e. directly to phone) function.
*
* phone: the iPhone to send data to
* data: the data to send to the iPhone
* datalen: the length of the data
*
* Returns the number of bytes sent, or -1 on error or something.
*/
int send_to_phone(iPhone *phone, char *data, int datalen) {
if (!phone) return -1;
int bytes = 0;
// it may die here
if (debug) printf("dying here?\ndatalen = %i\ndata = %x\n", datalen, data);
bytes = usb_bulk_write(phone->device, BULKOUT, data, datalen, 800);
if (debug) printf("noooo...?\n");
if (bytes < datalen) {
if(debug && bytes < 0)
printf("send_to_iphone(): libusb gave me the error %d: %s\n", bytes, usb_strerror(), strerror(-bytes));
return -1;
} else {
return bytes;
}
return -1;
}
/* recv_from_phone(phone, data, datalen):
* This function is a low-level (i.e. direct to iPhone) function.
*
* phone: the iPhone to receive data from
* data: where to put data read
* datalen: how much data to read in
*
* Returns: how many bytes were read in, or -1 on error.
*/
int recv_from_phone(iPhone *phone, char *data, int datalen) {
if (!phone) return -1;
int bytes = 0;
bytes = usb_bulk_read(phone->device, BULKIN, data, datalen, 3500);
if(bytes < 0)
{
if(debug) printf("recv_from_iphone(): libusb gave me the error %d: %s (%s)\n", bytes, usb_strerror(), strerror(-bytes));
return -1;
}
return bytes;
}
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