| | 1 | /* |
| | 2 | * This file is part of DisOrder |
| | 3 | * Copyright (C) 2004, 2005, 2006, 2007 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 3 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, |
| | 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 | * |
| | 15 | * You should have received a copy of the GNU General Public License |
| | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| | 17 | */ |
| | 18 | /** @file lib/client-common.c |
| | 19 | * @brief Common code to client APIs |
| | 20 | */ |
| | 21 | |
| | 22 | #include "common.h" |
| | 23 | |
| | 24 | #include <netinet/in.h> |
| | 25 | #include <sys/un.h> |
| | 26 | #include <errno.h> |
| | 27 | #include <netdb.h> |
| | 28 | |
| | 29 | #include "log.h" |
| | 30 | #include "configuration.h" |
| | 31 | #include "client-common.h" |
| | 32 | #include "addr.h" |
| | 33 | #include "mem.h" |
| | 34 | |
| | 35 | /** @brief Figure out what address to connect to |
| | 36 | * @param c Configuration to honor |
| | 37 | * @param sap Where to store pointer to sockaddr |
| | 38 | * @param namep Where to store socket name |
| | 39 | * @return Socket length, or (socklen_t)-1 |
| | 40 | */ |
| | 41 | socklen_t find_server(struct config *c, |
| | 42 | struct sockaddr **sap, char **namep) { |
| | 43 | struct sockaddr *sa; |
| | 44 | struct sockaddr_un su; |
| | 45 | struct addrinfo *res = 0; |
| | 46 | char *name; |
| | 47 | socklen_t len; |
| | 48 | |
| | 49 | static const struct addrinfo pref = { |
| | 50 | .ai_flags = 0, |
| | 51 | .ai_family = PF_INET, |
| | 52 | .ai_socktype = SOCK_STREAM, |
| | 53 | .ai_protocol = IPPROTO_TCP, |
| | 54 | }; |
| | 55 | |
| | 56 | if(c->connect.n) { |
| | 57 | res = get_address(&c->connect, &pref, &name); |
| | 58 | if(!res) return -1; |
| | 59 | sa = res->ai_addr; |
| | 60 | len = res->ai_addrlen; |
| | 61 | } else { |
| | 62 | name = config_get_file2(c, "socket"); |
| | 63 | if(strlen(name) >= sizeof su.sun_path) { |
| | 64 | error(errno, "socket path is too long"); |
| | 65 | return -1; |
| | 66 | } |
| | 67 | memset(&su, 0, sizeof su); |
| | 68 | su.sun_family = AF_UNIX; |
| | 69 | strcpy(su.sun_path, name); |
| | 70 | sa = (struct sockaddr *)&su; |
| | 71 | len = sizeof su; |
| | 72 | } |
| | 73 | *sap = xmalloc_noptr(len); |
| | 74 | memcpy(*sap, sa, len); |
| | 75 | if(namep) |
| | 76 | *namep = name; |
| | 77 | if(res) |
| | 78 | freeaddrinfo(res); |
| | 79 | return len; |
| | 80 | } |
| | 81 | |
| | 82 | /* |
| | 83 | Local Variables: |
| | 84 | c-basic-offset:2 |
| | 85 | comment-column:40 |
| | 86 | fill-column:79 |
| | 87 | indent-tabs-mode:nil |
| | 88 | End: |
| | 89 | */ |
~mdw / disorder / blame_incremental