1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/*
* iphone.c
* Functions for creating and initializing iPhone structures.
*
* Copyright (c) 2008 Zach 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 <arpa/inet.h>
#include <usb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
extern int debug;
/** Gets a handle to an iPhone
*
* @return A structure with data on the first iPhone it finds. (Or NULL, on
* error)
*/
int iphone_get_device ( iphone_device_t *device ){
//check we can actually write in device
if (!device || (device && *device))
return IPHONE_E_INVALID_ARG;
struct usb_bus *bus, *busses;
struct usb_device *dev;
iphone_device_t phone = (iphone_device_t)malloc(sizeof(struct iphone_device_int));
// Initialize the struct
phone->device = NULL;
phone->__device = NULL;
phone->buffer = NULL;
// Initialize libusb
usb_init();
usb_find_busses();
usb_find_devices();
busses = usb_get_busses();
// Set the device configuration
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_set_configuration(phone->device, 3);
usb_claim_interface(phone->device, 1);
break;
}
}
if (phone->__device && phone->device) break;
}
// Check to see if we are connected
if (!phone->device || !phone->__device) {
free_iPhone(phone);
if (debug) fprintf(stderr, "get_iPhone(): iPhone not found\n");
return IPHONE_E_NO_DEVICE;
}
// Send the version command to the phone
int bytes = 0;
usbmux_version_header *version = version_header();
bytes = usb_bulk_write(phone->device, BULKOUT, (char*)version, sizeof(*version), 800);
if (bytes < 20 && debug) {
fprintf(stderr, "get_iPhone(): libusb did NOT send enough!\n");
if (bytes < 0) {
fprintf(stderr, "get_iPhone(): libusb gave me the error %d: %s (%s)\n",
bytes, usb_strerror(), strerror(-bytes));
}
}
// Read the phone's response
bytes = usb_bulk_read(phone->device, BULKIN, (char*)version, sizeof(*version), 800);
// Check for bad response
if (bytes < 20) {
free(version);
free_iPhone(phone);
if (debug) fprintf(stderr, "get_iPhone(): Invalid version message -- header too short.\n");
if (debug && bytes < 0) fprintf(stderr, "get_iPhone(): libusb error message %d: %s (%s)\n",
bytes, usb_strerror(), strerror(-bytes));
return IPHONE_E_NOT_ENOUGH_DATA;
}
// Check for correct version
if (ntohl(version->major) == 1 && ntohl(version->minor) == 0) {
// We're all ready to roll.
fprintf(stderr, "get_iPhone() success\n");
free(version);
*device = phone;
return IPHONE_E_SUCCESS;
} else {
// Bad header
free_iPhone(phone);
free(version);
if (debug) fprintf(stderr, "get_iPhone(): Received a bad header/invalid version number.");
return IPHONE_E_BAD_HEADER;
}
// If it got to this point it's gotta be bad
if (debug) fprintf(stderr, "get_iPhone(): Unknown error.\n");
free_iPhone(phone);
free(version);
return IPHONE_E_UNKNOWN_ERROR; // if it got to this point it's gotta be bad
}
/** Cleans up an iPhone structure, then frees the structure itself.
* This is a library-level function; deals directly with the iPhone to tear
* down relations, but otherwise is mostly internal.
*
* @param phone A pointer to an iPhone structure.
*/
void iphone_free_device ( iphone_device_t device ) {
if (device->buffer) free(device->buffer);
if (device->device) {
usb_release_interface(device->device, 1);
usb_reset(device->device);
usb_close(device->device);
}
free(device);
}
/** Sends data to the phone
* This is a low-level (i.e. directly to phone) function.
*
* @param phone The iPhone to send data to
* @param data The data to send to the iPhone
* @param datalen The length of the data
* @return The number of bytes sent, or -1 on error or something.
*/
int send_to_phone(iphone_device_t phone, char *data, int datalen) {
if (!phone) return -1;
int bytes = 0;
if (!phone) return -1;
if (debug) fprintf(stderr, "send_to_phone: Attempting to send datalen = %i data = %p\n", datalen, data);
bytes = usb_bulk_write(phone->device, BULKOUT, data, datalen, 800);
if (bytes < datalen) {
if(debug && bytes < 0)
fprintf(stderr, "send_to_iphone(): libusb gave me the error %d: %s - %s\n", bytes, usb_strerror(), strerror(-bytes));
return -1;
} else {
return bytes;
}
return -1;
}
/** This function is a low-level (i.e. direct to iPhone) function.
*
* @param phone The iPhone to receive data from
* @param data Where to put data read
* @param datalen How much data to read in
*
* @return How many bytes were read in, or -1 on error.
*/
int recv_from_phone(iphone_device_t phone, char *data, int datalen) {
if (!phone) return -1;
int bytes = 0;
if (!phone) return -1;
if (debug) fprintf(stderr, "recv_from_phone(): attempting to receive %i bytes\n", datalen);
bytes = usb_bulk_read(phone->device, BULKIN, data, datalen, 3500);
if (bytes < 0) {
if(debug) fprintf(stderr, "recv_from_phone(): libusb gave me the error %d: %s (%s)\n", bytes, usb_strerror(), strerror(-bytes));
return -1;
}
return bytes;
}
|
