1 /*
2  * Copyright (c) 2002, 2003 MATPOCKuH.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  */
24 
25 #include <sys/types.h>
26 #include <sys/socket.h>
27 #include <sys/un.h>
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include <unistd.h>
32 
33 #ifdef HAVE_CONFIG_H
34 #include <config.h>
35 #endif
36 
37 #include "settings.h"
38 
39 char *socket_path = SOCKET_PATH;
40 
41 void
acd_setsocketpath(const char * spath)42 acd_setsocketpath(const char *spath)
43 {
44     if(socket_path != SOCKET_PATH)
45         free(socket_path);
46 
47     socket_path = strdup(spath);
48 }
49 
50 int
acd_connect()51 acd_connect()
52 {
53     int fd;
54     struct sockaddr_un unix_addr;
55 
56     if((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
57 	return -1;
58 
59     memset(&unix_addr, 0, sizeof(unix_addr));
60     unix_addr.sun_family = AF_UNIX;
61     strncpy(unix_addr.sun_path, socket_path, sizeof(unix_addr.sun_path));
62     unix_addr.sun_len = sizeof(unix_addr.sun_len) +
63 	sizeof(unix_addr.sun_family) + strlen(unix_addr.sun_path) + 1;
64 
65     if(connect(fd, (struct sockaddr*) &unix_addr, unix_addr.sun_len) < 0) {
66 	close(fd);
67 	return -1;
68     }
69 
70     return fd;
71 }
72