]>
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" |
94f78404 | 27 | #include <sys/un.h> |
fe6c7157 | 28 | #ifdef __OpenBSD__ |
d3e2c74a RW |
29 | #include <netmpls/mpls.h> |
30 | #endif | |
ed40466a | 31 | |
5e244469 RW |
32 | #ifdef __cplusplus |
33 | extern "C" { | |
34 | #endif | |
35 | ||
d62a17ae | 36 | union sockunion { |
37 | struct sockaddr sa; | |
38 | struct sockaddr_in sin; | |
39 | struct sockaddr_in6 sin6; | |
94f78404 | 40 | struct sockaddr_un sun; |
fe6c7157 | 41 | #ifdef __OpenBSD__ |
d62a17ae | 42 | struct sockaddr_mpls smpls; |
88ed8379 | 43 | struct sockaddr_rtlabel rtlabel; |
d3e2c74a | 44 | #endif |
718e3744 | 45 | }; |
46 | ||
d62a17ae | 47 | enum connect_result { connect_error, connect_success, connect_in_progress }; |
718e3744 | 48 | |
49 | /* Default address family. */ | |
718e3744 | 50 | #define AF_INET_UNION AF_INET6 |
718e3744 | 51 | |
52 | /* Sockunion address string length. Same as INET6_ADDRSTRLEN. */ | |
53 | #define SU_ADDRSTRLEN 46 | |
54 | ||
55 | /* Macro to set link local index to the IPv6 address. For KAME IPv6 | |
56 | stack. */ | |
57 | #ifdef KAME | |
58 | #define IN6_LINKLOCAL_IFINDEX(a) ((a).s6_addr[2] << 8 | (a).s6_addr[3]) | |
d62a17ae | 59 | #define SET_IN6_LINKLOCAL_IFINDEX(a, i) \ |
60 | do { \ | |
61 | (a).s6_addr[2] = ((i) >> 8) & 0xff; \ | |
62 | (a).s6_addr[3] = (i)&0xff; \ | |
63 | } while (0) | |
718e3744 | 64 | #else |
65 | #define IN6_LINKLOCAL_IFINDEX(a) | |
66 | #define SET_IN6_LINKLOCAL_IFINDEX(a, i) | |
67 | #endif /* KAME */ | |
68 | ||
718e3744 | 69 | #define sockunion_family(X) (X)->sa.sa_family |
70 | ||
0c5ed3ed JBD |
71 | #define sockunion2ip(X) (X)->sin.sin_addr.s_addr |
72 | ||
718e3744 | 73 | /* Prototypes. */ |
d62a17ae | 74 | extern int str2sockunion(const char *, union sockunion *); |
75 | extern const char *sockunion2str(const union sockunion *, char *, size_t); | |
62510c09 | 76 | int in6addr_cmp(const struct in6_addr *addr1, const struct in6_addr *addr2); |
d62a17ae | 77 | extern int sockunion_cmp(const union sockunion *, const union sockunion *); |
78 | extern int sockunion_same(const union sockunion *, const union sockunion *); | |
79 | extern unsigned int sockunion_hash(const union sockunion *); | |
718e3744 | 80 | |
95e0999c TT |
81 | extern size_t family2addrsize(int family); |
82 | extern size_t sockunion_get_addrlen(const union sockunion *); | |
d7c0a89a QY |
83 | extern const uint8_t *sockunion_get_addr(const union sockunion *); |
84 | extern void sockunion_set(union sockunion *, int family, const uint8_t *addr, | |
d62a17ae | 85 | size_t bytes); |
95e0999c | 86 | |
d62a17ae | 87 | extern union sockunion *sockunion_str2su(const char *str); |
88 | extern int sockunion_accept(int sock, union sockunion *); | |
862f2f37 | 89 | extern int sockunion_sizeof(const union sockunion *su); |
d62a17ae | 90 | extern int sockunion_stream_socket(union sockunion *); |
91 | extern int sockopt_reuseaddr(int); | |
92 | extern int sockopt_reuseport(int); | |
93 | extern int sockopt_v6only(int family, int sock); | |
94 | extern int sockunion_bind(int sock, union sockunion *, unsigned short, | |
95 | union sockunion *); | |
96 | extern int sockopt_ttl(int family, int sock, int ttl); | |
97 | extern int sockopt_minttl(int family, int sock, int minttl); | |
d62a17ae | 98 | extern int sockunion_socket(const union sockunion *su); |
99 | extern const char *inet_sutop(const union sockunion *su, char *str); | |
100 | extern enum connect_result sockunion_connect(int fd, const union sockunion *su, | |
101 | unsigned short port, ifindex_t); | |
102 | extern union sockunion *sockunion_getsockname(int); | |
103 | extern union sockunion *sockunion_getpeername(int); | |
104 | extern union sockunion *sockunion_dup(const union sockunion *); | |
105 | extern void sockunion_free(union sockunion *); | |
106 | extern void sockunion_init(union sockunion *); | |
ddd8d8c8 | 107 | extern int sockunion_is_null(const union sockunion *su); |
718e3744 | 108 | |
02f686ff DL |
109 | #ifdef _FRR_ATTRIBUTE_PRINTFRR |
110 | #pragma FRR printfrr_ext "%pSU" (union sockunion *) | |
94f78404 DL |
111 | #pragma FRR printfrr_ext "%pSU" (struct sockaddr *) |
112 | #pragma FRR printfrr_ext "%pSU" (struct sockaddr_storage *) | |
113 | #pragma FRR printfrr_ext "%pSU" (struct sockaddr_in *) | |
114 | #pragma FRR printfrr_ext "%pSU" (struct sockaddr_in6 *) | |
115 | #pragma FRR printfrr_ext "%pSU" (struct sockaddr_un *) | |
7b183fd8 DL |
116 | |
117 | /* AF_INET/PF_INET & co., using "PF" to avoid confusion with AFI/SAFI */ | |
118 | #pragma FRR printfrr_ext "%dPF" (int) | |
119 | /* SOCK_STREAM & co. */ | |
120 | #pragma FRR printfrr_ext "%dSO" (int) | |
02f686ff DL |
121 | #endif |
122 | ||
5e244469 RW |
123 | #ifdef __cplusplus |
124 | } | |
125 | #endif | |
126 | ||
718e3744 | 127 | #endif /* _ZEBRA_SOCKUNION_H */ |