]>
Commit | Line | Data |
---|---|---|
718e3744 | 1 | /* |
2 | * Socket union header. | |
3 | * Copyright (c) 1997 Kunihiro Ishiguro | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #ifndef _ZEBRA_SOCKUNION_H | |
23 | #define _ZEBRA_SOCKUNION_H | |
24 | ||
ed40466a | 25 | #include "privs.h" |
b892f1dd | 26 | #include "if.h" |
fe6c7157 | 27 | #ifdef __OpenBSD__ |
d3e2c74a RW |
28 | #include <netmpls/mpls.h> |
29 | #endif | |
ed40466a | 30 | |
d62a17ae | 31 | union sockunion { |
32 | struct sockaddr sa; | |
33 | struct sockaddr_in sin; | |
34 | struct sockaddr_in6 sin6; | |
fe6c7157 | 35 | #ifdef __OpenBSD__ |
d62a17ae | 36 | struct sockaddr_mpls smpls; |
d3e2c74a | 37 | #endif |
718e3744 | 38 | }; |
39 | ||
d62a17ae | 40 | enum connect_result { connect_error, connect_success, connect_in_progress }; |
718e3744 | 41 | |
42 | /* Default address family. */ | |
718e3744 | 43 | #define AF_INET_UNION AF_INET6 |
718e3744 | 44 | |
45 | /* Sockunion address string length. Same as INET6_ADDRSTRLEN. */ | |
46 | #define SU_ADDRSTRLEN 46 | |
47 | ||
48 | /* Macro to set link local index to the IPv6 address. For KAME IPv6 | |
49 | stack. */ | |
50 | #ifdef KAME | |
51 | #define IN6_LINKLOCAL_IFINDEX(a) ((a).s6_addr[2] << 8 | (a).s6_addr[3]) | |
d62a17ae | 52 | #define SET_IN6_LINKLOCAL_IFINDEX(a, i) \ |
53 | do { \ | |
54 | (a).s6_addr[2] = ((i) >> 8) & 0xff; \ | |
55 | (a).s6_addr[3] = (i)&0xff; \ | |
56 | } while (0) | |
718e3744 | 57 | #else |
58 | #define IN6_LINKLOCAL_IFINDEX(a) | |
59 | #define SET_IN6_LINKLOCAL_IFINDEX(a, i) | |
60 | #endif /* KAME */ | |
61 | ||
718e3744 | 62 | #define sockunion_family(X) (X)->sa.sa_family |
63 | ||
0c5ed3ed JBD |
64 | #define sockunion2ip(X) (X)->sin.sin_addr.s_addr |
65 | ||
718e3744 | 66 | /* Prototypes. */ |
d62a17ae | 67 | extern int str2sockunion(const char *, union sockunion *); |
68 | extern const char *sockunion2str(const union sockunion *, char *, size_t); | |
69 | extern int sockunion_cmp(const union sockunion *, const union sockunion *); | |
70 | extern int sockunion_same(const union sockunion *, const union sockunion *); | |
71 | extern unsigned int sockunion_hash(const union sockunion *); | |
718e3744 | 72 | |
95e0999c TT |
73 | extern size_t family2addrsize(int family); |
74 | extern size_t sockunion_get_addrlen(const union sockunion *); | |
75 | extern const u_char *sockunion_get_addr(const union sockunion *); | |
d62a17ae | 76 | extern void sockunion_set(union sockunion *, int family, const u_char *addr, |
77 | size_t bytes); | |
95e0999c | 78 | |
d62a17ae | 79 | extern union sockunion *sockunion_str2su(const char *str); |
80 | extern int sockunion_accept(int sock, union sockunion *); | |
81 | extern int sockunion_stream_socket(union sockunion *); | |
82 | extern int sockopt_reuseaddr(int); | |
83 | extern int sockopt_reuseport(int); | |
84 | extern int sockopt_v6only(int family, int sock); | |
85 | extern int sockunion_bind(int sock, union sockunion *, unsigned short, | |
86 | union sockunion *); | |
87 | extern int sockopt_ttl(int family, int sock, int ttl); | |
88 | extern int sockopt_minttl(int family, int sock, int minttl); | |
89 | extern int sockopt_cork(int sock, int onoff); | |
ed40466a | 90 | extern int sockopt_mark_default(int sock, int mark, struct zebra_privs_t *); |
d62a17ae | 91 | extern int sockunion_socket(const union sockunion *su); |
92 | extern const char *inet_sutop(const union sockunion *su, char *str); | |
93 | extern enum connect_result sockunion_connect(int fd, const union sockunion *su, | |
94 | unsigned short port, ifindex_t); | |
95 | extern union sockunion *sockunion_getsockname(int); | |
96 | extern union sockunion *sockunion_getpeername(int); | |
97 | extern union sockunion *sockunion_dup(const union sockunion *); | |
98 | extern void sockunion_free(union sockunion *); | |
99 | extern void sockunion_init(union sockunion *); | |
718e3744 | 100 | |
718e3744 | 101 | #endif /* _ZEBRA_SOCKUNION_H */ |