Commit | Line | Data |
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460b9539 | 1 | /* |
2 | * This file is part of DisOrder | |
cca89d7c | 3 | * Copyright (C) 2004-7, 2009, 2011-13 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 | */ |
132a5a4a RK |
18 | /** @file lib/client-common.c |
19 | * @brief Common code to client APIs | |
20 | */ | |
460b9539 | 21 | |
05b75f8d | 22 | #include "common.h" |
460b9539 | 23 | |
cca89d7c RK |
24 | #if HAVE_NETINET_IN_H |
25 | # include <netinet/in.h> | |
26 | #endif | |
27 | #if HAVE_SYS_UN_H | |
28 | # include <sys/un.h> | |
29 | #endif | |
460b9539 | 30 | #include <errno.h> |
cca89d7c RK |
31 | #if HAVE_NETDB_H |
32 | # include <netdb.h> | |
33 | #endif | |
34 | #if HAVE_UNISTD_H | |
35 | # include <unistd.h> | |
36 | #endif | |
9e42afcd RK |
37 | #if HAVE_WS2TCPIP_H |
38 | # include <Ws2tcpip.h> | |
39 | #endif | |
460b9539 | 40 | |
41 | #include "log.h" | |
42 | #include "configuration.h" | |
43 | #include "client-common.h" | |
44 | #include "addr.h" | |
0227f67d | 45 | #include "mem.h" |
460b9539 | 46 | |
0227f67d | 47 | /** @brief Figure out what address to connect to |
319d7107 | 48 | * @param c Configuration to honor |
ff92debd | 49 | * @param flags Flags to guide the choice |
0227f67d RK |
50 | * @param sap Where to store pointer to sockaddr |
51 | * @param namep Where to store socket name | |
52 | * @return Socket length, or (socklen_t)-1 | |
0e4472a0 | 53 | */ |
ff92debd MW |
54 | socklen_t disorder_find_server(struct config *c, unsigned flags, |
55 | struct sockaddr **sap, char **namep) { | |
0227f67d | 56 | struct sockaddr *sa; |
9e42afcd | 57 | #if !_WIN32 |
460b9539 | 58 | struct sockaddr_un su; |
9e42afcd | 59 | #endif |
0227f67d | 60 | struct addrinfo *res = 0; |
de37b640 | 61 | char *name = NULL; |
0227f67d | 62 | socklen_t len; |
460b9539 | 63 | |
e41a9999 RK |
64 | if(c->connect.af != -1) { |
65 | res = netaddress_resolve(&c->connect, 0, IPPROTO_TCP); | |
66 | if(!res) | |
67 | return -1; | |
0227f67d RK |
68 | sa = res->ai_addr; |
69 | len = res->ai_addrlen; | |
460b9539 | 70 | } else { |
9e42afcd RK |
71 | #if _WIN32 |
72 | disorder_fatal(0, "local connections are not supported on Windows"); | |
73 | #else | |
1be9101e | 74 | /* use the private socket if possible (which it should be) */ |
ff92debd MW |
75 | if (!(flags & DISORDER_FS_NOTPRIV)) { |
76 | name = config_get_file2(c, "private/socket"); | |
77 | if(access(name, R_OK) != 0) { | |
78 | xfree(name); | |
79 | name = NULL; | |
80 | } | |
de37b640 RK |
81 | } |
82 | if(!name) | |
83 | name = config_get_file2(c, "socket"); | |
0227f67d | 84 | if(strlen(name) >= sizeof su.sun_path) { |
70adc86b | 85 | disorder_error(0, "socket path is too long"); |
460b9539 | 86 | return -1; |
87 | } | |
88 | memset(&su, 0, sizeof su); | |
89 | su.sun_family = AF_UNIX; | |
0227f67d RK |
90 | strcpy(su.sun_path, name); |
91 | sa = (struct sockaddr *)&su; | |
92 | len = sizeof su; | |
f74f4f32 | 93 | xfree(name); |
9e42afcd | 94 | #endif |
460b9539 | 95 | } |
0227f67d RK |
96 | *sap = xmalloc_noptr(len); |
97 | memcpy(*sap, sa, len); | |
98 | if(namep) | |
e41a9999 | 99 | *namep = format_sockaddr(sa); |
0227f67d RK |
100 | if(res) |
101 | freeaddrinfo(res); | |
102 | return len; | |
460b9539 | 103 | } |
104 | ||
ff92debd MW |
105 | /** @brief Figure out what address to connect to |
106 | * @param c Configuration to honor | |
107 | * @param sap Where to store pointer to sockaddr | |
108 | * @param namep Where to store socket name | |
109 | * @return Socket length, or (socklen_t)-1 | |
110 | * | |
111 | * The function disorder_find_server() isn't a namespace violation, and has | |
112 | * more functionality. This function is equivalent, to disorder_find_server() | |
113 | * with a zero @c flags argument. | |
114 | */ | |
115 | socklen_t find_server(struct config *c, | |
116 | struct sockaddr **sap, char **namep) { | |
117 | return disorder_find_server(c, 0, sap, namep); | |
118 | } | |
119 | ||
ad131c25 | 120 | const char disorder__body[1]; |
ad131c25 | 121 | const char disorder__list[1]; |
bcb2af72 RK |
122 | const char disorder__integer[1]; |
123 | const char disorder__time[1]; | |
ad131c25 | 124 | |
460b9539 | 125 | /* |
126 | Local Variables: | |
127 | c-basic-offset:2 | |
128 | comment-column:40 | |
129 | fill-column:79 | |
130 | indent-tabs-mode:nil | |
131 | End: | |
132 | */ |