| 1 | /* |
| 2 | * This file is part of DisOrder |
| 3 | * Copyright (C) 2004, 2005, 2006 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 18 | * USA |
| 19 | */ |
| 20 | |
| 21 | #include <config.h> |
| 22 | #include "types.h" |
| 23 | |
| 24 | #include <sys/types.h> |
| 25 | #include <sys/socket.h> |
| 26 | #include <netinet/in.h> |
| 27 | #include <sys/un.h> |
| 28 | #include <string.h> |
| 29 | #include <errno.h> |
| 30 | #include <netdb.h> |
| 31 | |
| 32 | #include "log.h" |
| 33 | #include "configuration.h" |
| 34 | #include "client-common.h" |
| 35 | #include "addr.h" |
| 36 | |
| 37 | /** @brief Invoke a function with the connect address |
| 38 | * @param c Passed to callback |
| 39 | * @param function Function to call |
| 40 | * |
| 41 | * Calls @p function with the result of looking up the connect address. |
| 42 | */ |
| 43 | int with_sockaddr(void *c, |
| 44 | int (*function)(void *c, |
| 45 | const struct sockaddr *sa, |
| 46 | socklen_t len, |
| 47 | const char *ident)) { |
| 48 | const char *path; |
| 49 | struct sockaddr_un su; |
| 50 | struct addrinfo *res; |
| 51 | char *name; |
| 52 | int n; |
| 53 | |
| 54 | static const struct addrinfo pref = { |
| 55 | 0, |
| 56 | PF_INET, |
| 57 | SOCK_STREAM, |
| 58 | IPPROTO_TCP, |
| 59 | 0, |
| 60 | 0, |
| 61 | 0, |
| 62 | 0 |
| 63 | }; |
| 64 | |
| 65 | if(config->connect.n) { |
| 66 | res = get_address(&config->connect, &pref, &name); |
| 67 | if(!res) return -1; |
| 68 | n = function(c, res->ai_addr, res->ai_addrlen, name); |
| 69 | freeaddrinfo(res); |
| 70 | return n; |
| 71 | } else { |
| 72 | path = config_get_file("socket"); |
| 73 | if(strlen(path) >= sizeof su.sun_path) { |
| 74 | error(errno, "socket path is too long"); |
| 75 | return -1; |
| 76 | } |
| 77 | memset(&su, 0, sizeof su); |
| 78 | su.sun_family = AF_UNIX; |
| 79 | strcpy(su.sun_path, path); |
| 80 | return function(c, (struct sockaddr *)&su, sizeof su, path); |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | /* |
| 85 | Local Variables: |
| 86 | c-basic-offset:2 |
| 87 | comment-column:40 |
| 88 | fill-column:79 |
| 89 | indent-tabs-mode:nil |
| 90 | End: |
| 91 | */ |