Commit | Line | Data |
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460b9539 | 1 | /* |
2 | * This file is part of DisOrder | |
0227f67d | 3 | * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell |
460b9539 | 4 | * |
e7eb3a27 | 5 | * This program is free software: you can redistribute it and/or modify |
460b9539 | 6 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 7 | * the Free Software Foundation, either version 3 of the License, or |
460b9539 | 8 | * (at your option) any later version. |
e7eb3a27 RK |
9 | * |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
460b9539 | 15 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
460b9539 | 17 | */ |
18 | ||
05b75f8d | 19 | #include "common.h" |
460b9539 | 20 | |
460b9539 | 21 | #include <netinet/in.h> |
22 | #include <sys/un.h> | |
460b9539 | 23 | #include <errno.h> |
24 | #include <netdb.h> | |
25 | ||
26 | #include "log.h" | |
27 | #include "configuration.h" | |
28 | #include "client-common.h" | |
29 | #include "addr.h" | |
0227f67d | 30 | #include "mem.h" |
460b9539 | 31 | |
0227f67d | 32 | /** @brief Figure out what address to connect to |
319d7107 | 33 | * @param c Configuration to honor |
0227f67d RK |
34 | * @param sap Where to store pointer to sockaddr |
35 | * @param namep Where to store socket name | |
36 | * @return Socket length, or (socklen_t)-1 | |
0e4472a0 | 37 | */ |
319d7107 RK |
38 | socklen_t find_server(struct config *c, |
39 | struct sockaddr **sap, char **namep) { | |
0227f67d | 40 | struct sockaddr *sa; |
460b9539 | 41 | struct sockaddr_un su; |
0227f67d | 42 | struct addrinfo *res = 0; |
460b9539 | 43 | char *name; |
0227f67d | 44 | socklen_t len; |
460b9539 | 45 | |
46 | static const struct addrinfo pref = { | |
66613034 RK |
47 | .ai_flags = 0, |
48 | .ai_family = PF_INET, | |
49 | .ai_socktype = SOCK_STREAM, | |
50 | .ai_protocol = IPPROTO_TCP, | |
460b9539 | 51 | }; |
52 | ||
319d7107 RK |
53 | if(c->connect.n) { |
54 | res = get_address(&c->connect, &pref, &name); | |
460b9539 | 55 | if(!res) return -1; |
0227f67d RK |
56 | sa = res->ai_addr; |
57 | len = res->ai_addrlen; | |
460b9539 | 58 | } else { |
319d7107 | 59 | name = config_get_file2(c, "socket"); |
0227f67d | 60 | if(strlen(name) >= sizeof su.sun_path) { |
460b9539 | 61 | error(errno, "socket path is too long"); |
62 | return -1; | |
63 | } | |
64 | memset(&su, 0, sizeof su); | |
65 | su.sun_family = AF_UNIX; | |
0227f67d RK |
66 | strcpy(su.sun_path, name); |
67 | sa = (struct sockaddr *)&su; | |
68 | len = sizeof su; | |
460b9539 | 69 | } |
0227f67d RK |
70 | *sap = xmalloc_noptr(len); |
71 | memcpy(*sap, sa, len); | |
72 | if(namep) | |
73 | *namep = name; | |
74 | if(res) | |
75 | freeaddrinfo(res); | |
76 | return len; | |
460b9539 | 77 | } |
78 | ||
79 | /* | |
80 | Local Variables: | |
81 | c-basic-offset:2 | |
82 | comment-column:40 | |
83 | fill-column:79 | |
84 | indent-tabs-mode:nil | |
85 | End: | |
86 | */ |