prosody
3137751751b4
util-src/net.c

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

util-src/net.c @ 5746:3137751751b4

Merge 0.9->trunk
author Matthew Wild <mwild1@gmail.com>
date Sat, 13 Jul 2013 13:17:53 +0100
parent 5699:e9f5384f5ff1
child 5750:fbff8ecb6662
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5699
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 /* Prosody IM
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2 --
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 -- This project is MIT/X11 licensed. Please see the
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 -- COPYING file in the source package for more information.
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 --
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 -- Copyright (C) 2012 Paul Aurich
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7 -- Copyright (C) 2013 Matthew Wild
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 -- Copyright (C) 2013 Florian Zeitz
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 --
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 */
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 #include <stddef.h>
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 #include <string.h>
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 #include <errno.h>
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 #ifndef _WIN32
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 #include <sys/ioctl.h>
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 #include <sys/types.h>
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 #include <sys/socket.h>
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 #include <net/if.h>
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 #include <ifaddrs.h>
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 #include <arpa/inet.h>
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 #endif
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 #include <lua.h>
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 #include <lauxlib.h>
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 /* Enumerate all locally configured IP addresses */
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30 const char * const type_strings[] = {
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 "both",
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 "ipv4",
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 "ipv6",
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 NULL
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 };
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 static int lc_local_addresses(lua_State *L)
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 {
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 /* Link-local IPv4 addresses; see RFC 3927 and RFC 5735 */
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40 const long ip4_linklocal = htonl(0xa9fe0000); /* 169.254.0.0 */
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 const long ip4_mask = htonl(0xffff0000);
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42 #ifndef _WIN32
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43 struct ifaddrs *addr = NULL, *a;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 int n = 1;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 #endif
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 int type = luaL_checkoption(L, 1, "both", type_strings);
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 const char link_local = lua_toboolean(L, 2); /* defaults to 0 (false) */
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 const char ipv4 = (type == 0 || type == 1);
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 const char ipv6 = (type == 0 || type == 2);
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51 #ifndef _WIN32
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
52 if (getifaddrs(&addr) < 0) {
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53 lua_pushnil(L);
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54 lua_pushfstring(L, "getifaddrs failed (%d): %s", errno,
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
55 strerror(errno));
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
56 return 2;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
57 }
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
59 lua_newtable(L);
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
60
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
61 for (a = addr; a; a = a->ifa_next) {
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
62 int family;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
63 char ipaddr[INET6_ADDRSTRLEN];
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
64 const char *tmp = NULL;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
65
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
66 if (a->ifa_addr == NULL || a->ifa_flags & IFF_LOOPBACK)
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
67 continue;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
68
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
69 family = a->ifa_addr->sa_family;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
70
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
71 if (ipv4 && family == AF_INET) {
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
72 struct sockaddr_in *sa = (struct sockaddr_in *)a->ifa_addr;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
73 if (!link_local &&((sa->sin_addr.s_addr & ip4_mask) == ip4_linklocal))
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
74 continue;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
75 tmp = inet_ntop(family, &sa->sin_addr, ipaddr, sizeof(ipaddr));
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
76 } else if (ipv6 && family == AF_INET6) {
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
77 struct sockaddr_in6 *sa = (struct sockaddr_in6 *)a->ifa_addr;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
78 if (!link_local && IN6_IS_ADDR_LINKLOCAL(&sa->sin6_addr))
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79 continue;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
80 if (IN6_IS_ADDR_V4MAPPED(&sa->sin6_addr) || IN6_IS_ADDR_V4COMPAT(&sa->sin6_addr))
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
81 continue;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
82 tmp = inet_ntop(family, &sa->sin6_addr, ipaddr, sizeof(ipaddr));
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
83 }
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
84
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
85 if (tmp != NULL) {
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
86 lua_pushstring(L, tmp);
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
87 lua_rawseti(L, -2, n++);
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
88 }
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
89 /* TODO: Error reporting? */
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
90 }
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
91
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
92 freeifaddrs(addr);
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
93
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
94 return 1;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
95 #endif
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
96 }
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
97
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
98 int luaopen_util_net(lua_State* L)
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
99 {
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
100 luaL_Reg exports[] = {
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
101 { "local_addresses", lc_local_addresses },
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
102 { NULL, NULL }
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
103 };
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
104
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
105 luaL_register(L, "net", exports);
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
106 return 1;
e9f5384f5ff1 util.net: Add util.net, containing local_addresses() (removed from LuaSocket 3.0)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
107 }