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-rw-r--r--tools/iproxy.c251
1 files changed, 0 insertions, 251 deletions
diff --git a/tools/iproxy.c b/tools/iproxy.c
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index 4469c48..0000000
--- a/tools/iproxy.c
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@@ -1,251 +0,0 @@
1/*
2 iproxy -- proxy that enables tcp service access to iPhone/iPod
3
4Copyright (C) 2009 Nikias Bassen <nikias@gmx.li>
5Copyright (C) 2009 Paul Sladen <libiphone@paul.sladen.org>
6
7Based upon iTunnel source code, Copyright (c) 2008 Jing Su.
8http://www.cs.toronto.edu/~jingsu/itunnel/
9
10This program is free software; you can redistribute it and/or modify
11it under the terms of the GNU General Public License as published by
12the Free Software Foundation; either version 2 of the License, or
13(at your option) any later version.
14
15This program is distributed in the hope that it will be useful,
16but WITHOUT ANY WARRANTY; without even the implied warranty of
17MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18GNU General Public License for more details.
19
20You should have received a copy of the GNU General Public License
21along with this program; if not, write to the Free Software
22Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23
24TODO: improve code...
25
26*/
27
28#include <stdio.h>
29#include <stdlib.h>
30#include <string.h>
31#include <fcntl.h>
32#include <stddef.h>
33#include <unistd.h>
34#include <errno.h>
35#ifdef WIN32
36#include <windows.h>
37#include <winsock2.h>
38typedef unsigned int socklen_t;
39#else
40#include <sys/socket.h>
41#include <sys/un.h>
42#include <arpa/inet.h>
43#endif
44#include <pthread.h>
45#include <netinet/in.h>
46#include "sock_stuff.h"
47#include "usbmuxd.h"
48
49static uint16_t listen_port = 0;
50static uint16_t device_port = 0;
51
52struct client_data {
53 int fd;
54 int sfd;
55 volatile int stop_ctos;
56 volatile int stop_stoc;
57};
58
59void *run_stoc_loop(void *arg)
60{
61 struct client_data *cdata = (struct client_data*)arg;
62 int recv_len;
63 int sent;
64 char buffer[131072];
65
66 printf("%s: fd = %d\n", __func__, cdata->fd);
67
68 while (!cdata->stop_stoc && cdata->fd>0 && cdata->sfd>0) {
69 recv_len = recv_buf_timeout(cdata->sfd, buffer, sizeof(buffer), 0, 5000);
70 if (recv_len <= 0) {
71 if (recv_len == 0) {
72 // try again
73 continue;
74 } else {
75 fprintf(stderr, "recv failed: %s\n", strerror(errno));
76 break;
77 }
78 } else {
79// printf("received %d bytes from server\n", recv_len);
80 // send to socket
81 sent = send_buf(cdata->fd, buffer, recv_len);
82 if (sent < recv_len) {
83 if (sent <= 0) {
84 fprintf(stderr, "send failed: %s\n", strerror(errno));
85 break;
86 } else {
87 fprintf(stderr, "only sent %d from %d bytes\n", sent, recv_len);
88 }
89 } else {
90 // sending succeeded, receive from device
91// printf("pushed %d bytes to client\n", sent);
92 }
93 }
94 }
95 close(cdata->fd);
96 cdata->fd = -1;
97 cdata->stop_ctos = 1;
98
99 return NULL;
100}
101
102void *run_ctos_loop(void *arg)
103{
104 struct client_data *cdata = (struct client_data*)arg;
105 int recv_len;
106 int sent;
107 char buffer[131072];
108 pthread_t stoc;
109
110 printf("%s: fd = %d\n", __func__, cdata->fd);
111
112 cdata->stop_stoc = 0;
113 pthread_create(&stoc, NULL, run_stoc_loop, cdata);
114
115 while (!cdata->stop_ctos && cdata->fd>0 && cdata->sfd>0) {
116 recv_len = recv_buf_timeout(cdata->fd, buffer, sizeof(buffer), 0, 5000);
117 if (recv_len <= 0) {
118 if (recv_len == 0) {
119 // try again
120 continue;
121 } else {
122 fprintf(stderr, "recv failed: %s\n", strerror(errno));
123 break;
124 }
125 } else {
126// printf("pulled %d bytes from client\n", recv_len);
127 // send to local socket
128 sent = send_buf(cdata->sfd, buffer, recv_len);
129 if (sent < recv_len) {
130 if (sent <= 0) {
131 fprintf(stderr, "send failed: %s\n", strerror(errno));
132 break;
133 } else {
134 fprintf(stderr, "only sent %d from %d bytes\n", sent, recv_len);
135 }
136 } else {
137 // sending succeeded, receive from device
138// printf("sent %d bytes to server\n", sent);
139 }
140 }
141 }
142 close(cdata->fd);
143 cdata->fd = -1;
144 cdata->stop_stoc = 1;
145
146 pthread_join(stoc, NULL);
147
148 return NULL;
149}
150
151void *acceptor_thread(void *arg)
152{
153 struct client_data *cdata;
154 usbmuxd_device_info_t *dev_list = NULL;
155 pthread_t ctos;
156 int count;
157
158 if (!arg) {
159 fprintf(stderr, "invalid client_data provided!\n");
160 return NULL;
161 }
162
163 cdata = (struct client_data*)arg;
164
165 if ((count = usbmuxd_get_device_list(&dev_list)) < 0) {
166 printf("Connecting to usbmuxd failed, terminating.\n");
167 free(dev_list);
168 return NULL;
169 }
170
171 fprintf(stdout, "Number of available devices == %d\n", count);
172
173 if (dev_list == NULL || dev_list[0].handle == 0) {
174 printf("No connected device found, terminating.\n");
175 free(dev_list);
176 return NULL;
177 }
178
179 fprintf(stdout, "Requesting connecion to device handle == %d (serial: %s), port %d\n", dev_list[0].handle, dev_list[0].uuid, device_port);
180
181 cdata->sfd = usbmuxd_connect(dev_list[0].handle, device_port);
182 free(dev_list);
183 if (cdata->sfd < 0) {
184 fprintf(stderr, "Error connecting to device!\n");
185 } else {
186 cdata->stop_ctos = 0;
187 pthread_create(&ctos, NULL, run_ctos_loop, cdata);
188 pthread_join(ctos, NULL);
189 }
190
191 if (cdata->fd > 0) {
192 close(cdata->fd);
193 }
194 if (cdata->sfd > 0) {
195 close(cdata->sfd);
196 }
197
198 return NULL;
199}
200
201int main(int argc, char **argv)
202{
203 int mysock = -1;
204
205 if (argc != 3) {
206 printf("usage: %s LOCAL_TCP_PORT DEVICE_TCP_PORT\n", argv[0]);
207 return 0;
208 }
209
210 listen_port = atoi(argv[1]);
211 device_port = atoi(argv[2]);
212
213 if (!listen_port) {
214 fprintf(stderr, "Invalid listen_port specified!\n");
215 return -EINVAL;
216 }
217
218 if (!device_port) {
219 fprintf(stderr, "Invalid device_port specified!\n");
220 return -EINVAL;
221 }
222
223 // first create the listening socket endpoint waiting for connections.
224 mysock = create_socket(listen_port);
225 if (mysock < 0) {
226 fprintf(stderr, "Error creating socket: %s\n", strerror(errno));
227 return -errno;
228 } else {
229 pthread_t acceptor;
230 struct sockaddr_in c_addr;
231 socklen_t len = sizeof(struct sockaddr_in);
232 struct client_data cdata;
233 int c_sock;
234 while (1) {
235 printf("waiting for connection\n");
236 c_sock = accept(mysock, (struct sockaddr*)&c_addr, &len);
237 if (c_sock) {
238 printf("accepted connection, fd = %d\n", c_sock);
239 cdata.fd = c_sock;
240 pthread_create(&acceptor, NULL, acceptor_thread, &cdata);
241 pthread_join(acceptor, NULL);
242 } else {
243 break;
244 }
245 }
246 close(c_sock);
247 close(mysock);
248 }
249
250 return 0;
251}
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