1/*
2 * client.c
3 */
4
5/*-
6 * Copyright (c) 2006 Maksim Yevmenkin <m_evmenkin@yahoo.com>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $Id: client.c,v 1.7 2006/09/07 21:06:53 max Exp $
| 1/*
2 * client.c
3 */
4
5/*-
6 * Copyright (c) 2006 Maksim Yevmenkin <m_evmenkin@yahoo.com>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $Id: client.c,v 1.7 2006/09/07 21:06:53 max Exp $
|
31 * $FreeBSD: head/usr.sbin/bluetooth/bthidd/client.c 162494 2006-09-21 02:32:28Z emax $
| 31 * $FreeBSD: head/usr.sbin/bluetooth/bthidd/client.c 163918 2006-11-02 18:57:09Z emax $
|
32 */
33
34#include <sys/queue.h>
35#include <assert.h>
36#include <bluetooth.h>
37#include <errno.h>
38#include <fcntl.h>
39#include <stdio.h>
40#include <stdlib.h>
41#include <string.h>
42#include <syslog.h>
43#include <unistd.h>
44#include <usbhid.h>
45#include "bthid_config.h"
46#include "bthidd.h"
47
| 32 */
33
34#include <sys/queue.h>
35#include <assert.h>
36#include <bluetooth.h>
37#include <errno.h>
38#include <fcntl.h>
39#include <stdio.h>
40#include <stdlib.h>
41#include <string.h>
42#include <syslog.h>
43#include <unistd.h>
44#include <usbhid.h>
45#include "bthid_config.h"
46#include "bthidd.h"
47
|
48static int32_t client_socket(bdaddr_p bdaddr, int32_t psm);
| 48static int32_t client_socket(bdaddr_p bdaddr, uint16_t psm);
|
49
50/*
51 * Get next config entry and create outbound connection (if required)
52 *
53 * XXX Do only one device at a time. At least one of my devices (3COM
54 * Bluetooth PCCARD) rejects Create_Connection command if another
55 * Create_Connection command is still pending. Weird...
56 */
57
58static int32_t connect_in_progress = 0;
59
60int32_t
61client_rescan(bthid_server_p srv)
62{
63 static hid_device_p d;
64 bthid_session_p s;
65
66 assert(srv != NULL);
67
68 if (connect_in_progress)
69 return (0); /* another connect is still pending */
70
71 d = get_next_hid_device(d);
72 if (d == NULL)
73 return (0); /* XXX should not happen? empty config? */
74
75 if ((s = session_by_bdaddr(srv, &d->bdaddr)) != NULL)
76 return (0); /* session already active */
77
78 if (!d->new_device) {
79 if (d->reconnect_initiate)
80 return (0); /* device will initiate reconnect */
81 }
82
83 syslog(LOG_NOTICE, "Opening outbound session for %s " \
84 "(new_device=%d, reconnect_initiate=%d)",
85 bt_ntoa(&d->bdaddr, NULL), d->new_device, d->reconnect_initiate);
86
87 if ((s = session_open(srv, d)) == NULL) {
88 syslog(LOG_CRIT, "Could not create outbound session for %s",
89 bt_ntoa(&d->bdaddr, NULL));
90 return (-1);
91 }
92
93 /* Open control channel */
94 s->ctrl = client_socket(&s->bdaddr, d->control_psm);
95 if (s->ctrl < 0) {
96 syslog(LOG_ERR, "Could not open control channel to %s. %s (%d)",
97 bt_ntoa(&s->bdaddr, NULL), strerror(errno), errno);
98 session_close(s);
99 return (-1);
100 }
101
102 s->state = W4CTRL;
103
104 FD_SET(s->ctrl, &srv->wfdset);
105 if (s->ctrl > srv->maxfd)
106 srv->maxfd = s->ctrl;
107
108 connect_in_progress = 1;
109
110 return (0);
111}
112
113/*
114 * Process connect on the socket
115 */
116
117int32_t
118client_connect(bthid_server_p srv, int32_t fd)
119{
120 bthid_session_p s;
121 hid_device_p d;
122 int32_t error;
123 socklen_t len;
124
125 assert(srv != NULL);
126 assert(fd >= 0);
127
128 s = session_by_fd(srv, fd);
129 assert(s != NULL);
130
131 d = get_hid_device(&s->bdaddr);
132 assert(d != NULL);
133
134 error = 0;
135 len = sizeof(error);
136 if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len) < 0) {
137 syslog(LOG_ERR, "Could not get socket error for %s. %s (%d)",
138 bt_ntoa(&s->bdaddr, NULL), strerror(errno), errno);
139 session_close(s);
140 connect_in_progress = 0;
141
142 return (-1);
143 }
144
145 if (error != 0) {
146 syslog(LOG_ERR, "Could not connect to %s. %s (%d)",
147 bt_ntoa(&s->bdaddr, NULL), strerror(error), error);
148 session_close(s);
149 connect_in_progress = 0;
150
151 return (0);
152 }
153
154 switch (s->state) {
155 case W4CTRL: /* Control channel is open */
156 assert(s->ctrl == fd);
157 assert(s->intr == -1);
158
159 /* Open interrupt channel */
160 s->intr = client_socket(&s->bdaddr, d->interrupt_psm);
161 if (s->intr < 0) {
162 syslog(LOG_ERR, "Could not open interrupt channel " \
163 "to %s. %s (%d)", bt_ntoa(&s->bdaddr, NULL),
164 strerror(errno), errno);
165 session_close(s);
166 connect_in_progress = 0;
167
168 return (-1);
169 }
170
171 s->state = W4INTR;
172
173 FD_SET(s->intr, &srv->wfdset);
174 if (s->intr > srv->maxfd)
175 srv->maxfd = s->intr;
176
177 d->new_device = 0; /* reset new device flag */
178 write_hids_file();
179 break;
180
181 case W4INTR: /* Interrupt channel is open */
182 assert(s->ctrl != -1);
183 assert(s->intr == fd);
184
185 s->state = OPEN;
186 connect_in_progress = 0;
187
188 /* Register session's vkbd descriptor (if any) for read */
189 if (s->state == OPEN && d->keyboard) {
190 assert(s->vkbd != -1);
191
192 FD_SET(s->vkbd, &srv->rfdset);
193 if (s->vkbd > srv->maxfd)
194 srv->maxfd = s->vkbd;
195 }
196 break;
197
198 default:
199 assert(0);
200 break;
201 }
202
203 /* Move fd to from the write fd set into read fd set */
204 FD_CLR(fd, &srv->wfdset);
205 FD_SET(fd, &srv->rfdset);
206
207 return (0);
208}
209
210/*
211 * Create bound non-blocking socket and initiate connect
212 */
213
214static int
| 49
50/*
51 * Get next config entry and create outbound connection (if required)
52 *
53 * XXX Do only one device at a time. At least one of my devices (3COM
54 * Bluetooth PCCARD) rejects Create_Connection command if another
55 * Create_Connection command is still pending. Weird...
56 */
57
58static int32_t connect_in_progress = 0;
59
60int32_t
61client_rescan(bthid_server_p srv)
62{
63 static hid_device_p d;
64 bthid_session_p s;
65
66 assert(srv != NULL);
67
68 if (connect_in_progress)
69 return (0); /* another connect is still pending */
70
71 d = get_next_hid_device(d);
72 if (d == NULL)
73 return (0); /* XXX should not happen? empty config? */
74
75 if ((s = session_by_bdaddr(srv, &d->bdaddr)) != NULL)
76 return (0); /* session already active */
77
78 if (!d->new_device) {
79 if (d->reconnect_initiate)
80 return (0); /* device will initiate reconnect */
81 }
82
83 syslog(LOG_NOTICE, "Opening outbound session for %s " \
84 "(new_device=%d, reconnect_initiate=%d)",
85 bt_ntoa(&d->bdaddr, NULL), d->new_device, d->reconnect_initiate);
86
87 if ((s = session_open(srv, d)) == NULL) {
88 syslog(LOG_CRIT, "Could not create outbound session for %s",
89 bt_ntoa(&d->bdaddr, NULL));
90 return (-1);
91 }
92
93 /* Open control channel */
94 s->ctrl = client_socket(&s->bdaddr, d->control_psm);
95 if (s->ctrl < 0) {
96 syslog(LOG_ERR, "Could not open control channel to %s. %s (%d)",
97 bt_ntoa(&s->bdaddr, NULL), strerror(errno), errno);
98 session_close(s);
99 return (-1);
100 }
101
102 s->state = W4CTRL;
103
104 FD_SET(s->ctrl, &srv->wfdset);
105 if (s->ctrl > srv->maxfd)
106 srv->maxfd = s->ctrl;
107
108 connect_in_progress = 1;
109
110 return (0);
111}
112
113/*
114 * Process connect on the socket
115 */
116
117int32_t
118client_connect(bthid_server_p srv, int32_t fd)
119{
120 bthid_session_p s;
121 hid_device_p d;
122 int32_t error;
123 socklen_t len;
124
125 assert(srv != NULL);
126 assert(fd >= 0);
127
128 s = session_by_fd(srv, fd);
129 assert(s != NULL);
130
131 d = get_hid_device(&s->bdaddr);
132 assert(d != NULL);
133
134 error = 0;
135 len = sizeof(error);
136 if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len) < 0) {
137 syslog(LOG_ERR, "Could not get socket error for %s. %s (%d)",
138 bt_ntoa(&s->bdaddr, NULL), strerror(errno), errno);
139 session_close(s);
140 connect_in_progress = 0;
141
142 return (-1);
143 }
144
145 if (error != 0) {
146 syslog(LOG_ERR, "Could not connect to %s. %s (%d)",
147 bt_ntoa(&s->bdaddr, NULL), strerror(error), error);
148 session_close(s);
149 connect_in_progress = 0;
150
151 return (0);
152 }
153
154 switch (s->state) {
155 case W4CTRL: /* Control channel is open */
156 assert(s->ctrl == fd);
157 assert(s->intr == -1);
158
159 /* Open interrupt channel */
160 s->intr = client_socket(&s->bdaddr, d->interrupt_psm);
161 if (s->intr < 0) {
162 syslog(LOG_ERR, "Could not open interrupt channel " \
163 "to %s. %s (%d)", bt_ntoa(&s->bdaddr, NULL),
164 strerror(errno), errno);
165 session_close(s);
166 connect_in_progress = 0;
167
168 return (-1);
169 }
170
171 s->state = W4INTR;
172
173 FD_SET(s->intr, &srv->wfdset);
174 if (s->intr > srv->maxfd)
175 srv->maxfd = s->intr;
176
177 d->new_device = 0; /* reset new device flag */
178 write_hids_file();
179 break;
180
181 case W4INTR: /* Interrupt channel is open */
182 assert(s->ctrl != -1);
183 assert(s->intr == fd);
184
185 s->state = OPEN;
186 connect_in_progress = 0;
187
188 /* Register session's vkbd descriptor (if any) for read */
189 if (s->state == OPEN && d->keyboard) {
190 assert(s->vkbd != -1);
191
192 FD_SET(s->vkbd, &srv->rfdset);
193 if (s->vkbd > srv->maxfd)
194 srv->maxfd = s->vkbd;
195 }
196 break;
197
198 default:
199 assert(0);
200 break;
201 }
202
203 /* Move fd to from the write fd set into read fd set */
204 FD_CLR(fd, &srv->wfdset);
205 FD_SET(fd, &srv->rfdset);
206
207 return (0);
208}
209
210/*
211 * Create bound non-blocking socket and initiate connect
212 */
213
214static int
|
215client_socket(bdaddr_p bdaddr, int32_t psm)
| 215client_socket(bdaddr_p bdaddr, uint16_t psm)
|
216{
217 struct sockaddr_l2cap l2addr;
218 int32_t s, m;
219
220 s = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BLUETOOTH_PROTO_L2CAP);
221 if (s < 0)
222 return (-1);
223
224 m = fcntl(s, F_GETFL);
225 if (m < 0) {
226 close(s);
227 return (-1);
228 }
229
230 if (fcntl(s, F_SETFL, (m|O_NONBLOCK)) < 0) {
231 close(s);
232 return (-1);
233 }
234
235 l2addr.l2cap_len = sizeof(l2addr);
236 l2addr.l2cap_family = AF_BLUETOOTH;
237 memset(&l2addr.l2cap_bdaddr, 0, sizeof(l2addr.l2cap_bdaddr));
238 l2addr.l2cap_psm = 0;
239
240 if (bind(s, (struct sockaddr *) &l2addr, sizeof(l2addr)) < 0) {
241 close(s);
242 return (-1);
243 }
244
245 memcpy(&l2addr.l2cap_bdaddr, bdaddr, sizeof(l2addr.l2cap_bdaddr));
| 216{
217 struct sockaddr_l2cap l2addr;
218 int32_t s, m;
219
220 s = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BLUETOOTH_PROTO_L2CAP);
221 if (s < 0)
222 return (-1);
223
224 m = fcntl(s, F_GETFL);
225 if (m < 0) {
226 close(s);
227 return (-1);
228 }
229
230 if (fcntl(s, F_SETFL, (m|O_NONBLOCK)) < 0) {
231 close(s);
232 return (-1);
233 }
234
235 l2addr.l2cap_len = sizeof(l2addr);
236 l2addr.l2cap_family = AF_BLUETOOTH;
237 memset(&l2addr.l2cap_bdaddr, 0, sizeof(l2addr.l2cap_bdaddr));
238 l2addr.l2cap_psm = 0;
239
240 if (bind(s, (struct sockaddr *) &l2addr, sizeof(l2addr)) < 0) {
241 close(s);
242 return (-1);
243 }
244
245 memcpy(&l2addr.l2cap_bdaddr, bdaddr, sizeof(l2addr.l2cap_bdaddr));
|
246 l2addr.l2cap_psm = psm;
| 246 l2addr.l2cap_psm = htole16(psm);
|
247
248 if (connect(s, (struct sockaddr *) &l2addr, sizeof(l2addr)) < 0 &&
249 errno != EINPROGRESS) {
250 close(s);
251 return (-1);
252 }
253
254 return (s);
255}
256
| 247
248 if (connect(s, (struct sockaddr *) &l2addr, sizeof(l2addr)) < 0 &&
249 errno != EINPROGRESS) {
250 close(s);
251 return (-1);
252 }
253
254 return (s);
255}
256
|