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client.c (156784) client.c (162128)
1/*
2 * client.c
1/*
2 * client.c
3 *
4 * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
3 */
4
5/*-
6 * Copyright (c) 2006 Maksim Yevmenkin <m_evmenkin@yahoo.com>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright

--- 7 unchanged lines hidden (view full) ---

20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
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

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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 *
28 * $Id: client.c,v 1.6 2004/02/26 21:57:55 max Exp $
29 * $FreeBSD: head/usr.sbin/bluetooth/bthidd/client.c 156784 2006-03-16 18:26:54Z emax $
30 * $Id: client.c,v 1.7 2006/09/07 21:06:53 max Exp $
31 * $FreeBSD: head/usr.sbin/bluetooth/bthidd/client.c 162128 2006-09-07 21:47:49Z emax $
30 */
31
32#include <sys/queue.h>
33#include <assert.h>
34#include <bluetooth.h>
35#include <errno.h>
36#include <fcntl.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <string.h>
40#include <syslog.h>
41#include <unistd.h>
42#include <usbhid.h>
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>
43#include "bthidd.h"
44#include "bthid_config.h"
45#include "bthid_config.h"
46#include "bthidd.h"
45
47
46static int client_socket(bdaddr_p bdaddr, int psm);
48static int32_t client_socket(bdaddr_p bdaddr, int32_t psm);
47
48/*
49 * Get next config entry and create outbound connection (if required)
50 *
51 * XXX Do only one device at a time. At least one of my devices (3COM
52 * Bluetooth PCCARD) rejects Create_Connection command if another
53 * Create_Connection command is still pending. Weird...
54 */
55
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
56static int connect_in_progress = 0;
58static int32_t connect_in_progress = 0;
57
59
58int
60int32_t
59client_rescan(bthid_server_p srv)
60{
61client_rescan(bthid_server_p srv)
62{
61 static hid_device_p d = NULL;
62 bthid_session_p s = NULL;
63 static hid_device_p d;
64 bthid_session_p s;
63
64 assert(srv != NULL);
65
66 if (connect_in_progress)
67 return (0); /* another connect is still pending */
68
69 d = get_next_hid_device(d);
70 if (d == NULL)

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77 if (d->reconnect_initiate)
78 return (0); /* device will initiate reconnect */
79 }
80
81 syslog(LOG_NOTICE, "Opening outbound session for %s " \
82 "(new_device=%d, reconnect_initiate=%d)",
83 bt_ntoa(&d->bdaddr, NULL), d->new_device, d->reconnect_initiate);
84
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)

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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
85 if ((s = session_open(srv, &d->bdaddr)) == NULL) {
86 syslog(LOG_CRIT, "Could not open outbound session for %s. " \
87 "Not enough memory", bt_ntoa(&d->bdaddr, NULL));
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));
88 return (-1);
89 }
90
91 /* Open control channel */
92 s->ctrl = client_socket(&s->bdaddr, d->control_psm);
93 if (s->ctrl < 0) {
94 syslog(LOG_ERR, "Could not open control channel to %s. %s (%d)",
95 bt_ntoa(&s->bdaddr, NULL), strerror(errno), errno);

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107
108 return (0);
109}
110
111/*
112 * Process connect on the socket
113 */
114
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);

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109
110 return (0);
111}
112
113/*
114 * Process connect on the socket
115 */
116
115int
116client_connect(bthid_server_p srv, int fd)
117int32_t
118client_connect(bthid_server_p srv, int32_t fd)
117{
119{
118 bthid_session_p s = NULL;
119 hid_device_p d = NULL;
120 int error, len;
120 bthid_session_p s;
121 hid_device_p d;
122 int32_t error, len;
121
122 assert(srv != NULL);
123 assert(fd >= 0);
124
125 s = session_by_fd(srv, fd);
126 assert(s != NULL);
127
128 d = get_hid_device(&s->bdaddr);

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176 break;
177
178 case W4INTR: /* Interrupt channel is open */
179 assert(s->ctrl != -1);
180 assert(s->intr == fd);
181
182 s->state = OPEN;
183 connect_in_progress = 0;
123
124 assert(srv != NULL);
125 assert(fd >= 0);
126
127 s = session_by_fd(srv, fd);
128 assert(s != NULL);
129
130 d = get_hid_device(&s->bdaddr);

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178 break;
179
180 case W4INTR: /* Interrupt channel is open */
181 assert(s->ctrl != -1);
182 assert(s->intr == fd);
183
184 s->state = OPEN;
185 connect_in_progress = 0;
186
187 /* Register session's vkbd descriptor (if any) for read */
188 if (s->state == OPEN && d->keyboard) {
189 assert(s->vkbd != -1);
190
191 FD_SET(s->vkbd, &srv->rfdset);
192 if (s->vkbd > srv->maxfd)
193 srv->maxfd = s->vkbd;
194 }
184 break;
185
186 default:
187 assert(0);
188 break;
189 }
190
191 /* Move fd to from the write fd set into read fd set */
192 FD_CLR(fd, &srv->wfdset);
193 FD_SET(fd, &srv->rfdset);
194
195 return (0);
196}
197
198/*
199 * Create bound non-blocking socket and initiate connect
200 */
201
202static int
195 break;
196
197 default:
198 assert(0);
199 break;
200 }
201
202 /* Move fd to from the write fd set into read fd set */
203 FD_CLR(fd, &srv->wfdset);
204 FD_SET(fd, &srv->rfdset);
205
206 return (0);
207}
208
209/*
210 * Create bound non-blocking socket and initiate connect
211 */
212
213static int
203client_socket(bdaddr_p bdaddr, int psm)
214client_socket(bdaddr_p bdaddr, int32_t psm)
204{
205 struct sockaddr_l2cap l2addr;
215{
216 struct sockaddr_l2cap l2addr;
206 int s, m;
217 int32_t s, m;
207
208 s = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BLUETOOTH_PROTO_L2CAP);
209 if (s < 0)
210 return (-1);
211
212 m = fcntl(s, F_GETFL);
213 if (m < 0) {
214 close(s);
215 return (-1);
216 }
217
218 if (fcntl(s, F_SETFL, (m|O_NONBLOCK)) < 0) {
219 close(s);
220 return (-1);
221 }
222
223 l2addr.l2cap_len = sizeof(l2addr);
224 l2addr.l2cap_family = AF_BLUETOOTH;
218
219 s = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BLUETOOTH_PROTO_L2CAP);
220 if (s < 0)
221 return (-1);
222
223 m = fcntl(s, F_GETFL);
224 if (m < 0) {
225 close(s);
226 return (-1);
227 }
228
229 if (fcntl(s, F_SETFL, (m|O_NONBLOCK)) < 0) {
230 close(s);
231 return (-1);
232 }
233
234 l2addr.l2cap_len = sizeof(l2addr);
235 l2addr.l2cap_family = AF_BLUETOOTH;
225 memcpy(&l2addr.l2cap_bdaddr, NG_HCI_BDADDR_ANY, sizeof(l2addr.l2cap_bdaddr));
236 memset(&l2addr.l2cap_bdaddr, 0, sizeof(l2addr.l2cap_bdaddr));
226 l2addr.l2cap_psm = 0;
227
228 if (bind(s, (struct sockaddr *) &l2addr, sizeof(l2addr)) < 0) {
229 close(s);
230 return (-1);
231 }
232
233 memcpy(&l2addr.l2cap_bdaddr, bdaddr, sizeof(l2addr.l2cap_bdaddr));
237 l2addr.l2cap_psm = 0;
238
239 if (bind(s, (struct sockaddr *) &l2addr, sizeof(l2addr)) < 0) {
240 close(s);
241 return (-1);
242 }
243
244 memcpy(&l2addr.l2cap_bdaddr, bdaddr, sizeof(l2addr.l2cap_bdaddr));
234 l2addr.l2cap_psm = htole16(psm);
245 l2addr.l2cap_psm = psm;
235
236 if (connect(s, (struct sockaddr *) &l2addr, sizeof(l2addr)) < 0 &&
237 errno != EINPROGRESS) {
238 close(s);
239 return (-1);
240 }
241
242 return (s);
243}
244
246
247 if (connect(s, (struct sockaddr *) &l2addr, sizeof(l2addr)) < 0 &&
248 errno != EINPROGRESS) {
249 close(s);
250 return (-1);
251 }
252
253 return (s);
254}
255