1 /*
2 *
3 * BlueZ - Bluetooth protocol stack for Linux
4 *
5 * Copyright (C) 2003-2010 Marcel Holtmann <marcel@holtmann.org>
6 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 */
23
24 #ifdef HAVE_CONFIG_H
25 #include <config.h>
26 #endif
27
28 #include <stdio.h>
29 #include <errno.h>
30 #include <unistd.h>
31 #include <signal.h>
32 #include <sys/socket.h>
33
34 #include <bluetooth/bluetooth.h>
35 #include <bluetooth/rfcomm.h>
36 #include <bluetooth/sdp.h>
37 #include <bluetooth/sdp_lib.h>
38
39 #include "cups.h"
40
spp_print(bdaddr_t * src,bdaddr_t * dst,uint8_t channel,int fd,int copies,const char * cups_class)41 int spp_print(bdaddr_t *src, bdaddr_t *dst, uint8_t channel, int fd, int copies, const char *cups_class)
42 {
43 struct sockaddr_rc addr;
44 unsigned char buf[2048];
45 int i, sk, err, len;
46
47 if ((sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM)) < 0) {
48 perror("ERROR: Can't create socket");
49 if (cups_class)
50 return CUPS_BACKEND_FAILED;
51 else
52 return CUPS_BACKEND_RETRY;
53 }
54
55 addr.rc_family = AF_BLUETOOTH;
56 bacpy(&addr.rc_bdaddr, src);
57 addr.rc_channel = 0;
58
59 if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
60 perror("ERROR: Can't bind socket");
61 close(sk);
62 if (cups_class)
63 return CUPS_BACKEND_FAILED;
64 else
65 return CUPS_BACKEND_RETRY;
66 }
67
68 addr.rc_family = AF_BLUETOOTH;
69 bacpy(&addr.rc_bdaddr, dst);
70 addr.rc_channel = channel;
71
72 if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
73 perror("ERROR: Can't connect to device");
74 close(sk);
75 if (cups_class)
76 return CUPS_BACKEND_FAILED;
77 else
78 return CUPS_BACKEND_RETRY;
79 }
80
81 fputs("STATE: -connecting-to-device\n", stderr);
82
83 /* Ignore SIGTERM signals if printing from stdin */
84 if (fd == 0) {
85 #ifdef HAVE_SIGSET
86 sigset(SIGTERM, SIG_IGN);
87 #elif defined(HAVE_SIGACTION)
88 memset(&action, 0, sizeof(action));
89 sigemptyset(&action.sa_mask);
90 action.sa_handler = SIG_IGN;
91 sigaction(SIGTERM, &action, NULL);
92 #else
93 signal(SIGTERM, SIG_IGN);
94 #endif /* HAVE_SIGSET */
95 }
96
97 for (i = 0; i < copies; i++) {
98
99 if (fd != 0) {
100 fprintf(stderr, "PAGE: 1 1\n");
101 lseek(fd, 0, SEEK_SET);
102 }
103
104 while ((len = read(fd, buf, sizeof(buf))) > 0) {
105 err = write(sk, buf, len);
106 if (err < 0) {
107 perror("ERROR: Error writing to device");
108 close(sk);
109 return CUPS_BACKEND_FAILED;
110 }
111 }
112
113 }
114
115 close(sk);
116
117 return CUPS_BACKEND_OK;
118 }
119