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Commit | Line | Data |
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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
718e3744 | 2 | /* |
3 | * Socket union header. | |
4 | * Copyright (c) 1997 Kunihiro Ishiguro | |
718e3744 | 5 | */ |
6 | ||
7 | #ifndef _ZEBRA_SOCKUNION_H | |
8 | #define _ZEBRA_SOCKUNION_H | |
9 | ||
ed40466a | 10 | #include "privs.h" |
b892f1dd | 11 | #include "if.h" |
94f78404 | 12 | #include <sys/un.h> |
fe6c7157 | 13 | #ifdef __OpenBSD__ |
d3e2c74a RW |
14 | #include <netmpls/mpls.h> |
15 | #endif | |
ed40466a | 16 | |
5e244469 RW |
17 | #ifdef __cplusplus |
18 | extern "C" { | |
19 | #endif | |
20 | ||
d62a17ae | 21 | union sockunion { |
22 | struct sockaddr sa; | |
23 | struct sockaddr_in sin; | |
24 | struct sockaddr_in6 sin6; | |
94f78404 | 25 | struct sockaddr_un sun; |
fe6c7157 | 26 | #ifdef __OpenBSD__ |
d62a17ae | 27 | struct sockaddr_mpls smpls; |
88ed8379 | 28 | struct sockaddr_rtlabel rtlabel; |
d3e2c74a | 29 | #endif |
718e3744 | 30 | }; |
31 | ||
d62a17ae | 32 | enum connect_result { connect_error, connect_success, connect_in_progress }; |
718e3744 | 33 | |
34 | /* Default address family. */ | |
718e3744 | 35 | #define AF_INET_UNION AF_INET6 |
718e3744 | 36 | |
37 | /* Sockunion address string length. Same as INET6_ADDRSTRLEN. */ | |
38 | #define SU_ADDRSTRLEN 46 | |
39 | ||
40 | /* Macro to set link local index to the IPv6 address. For KAME IPv6 | |
41 | stack. */ | |
42 | #ifdef KAME | |
43 | #define IN6_LINKLOCAL_IFINDEX(a) ((a).s6_addr[2] << 8 | (a).s6_addr[3]) | |
d62a17ae | 44 | #define SET_IN6_LINKLOCAL_IFINDEX(a, i) \ |
45 | do { \ | |
46 | (a).s6_addr[2] = ((i) >> 8) & 0xff; \ | |
47 | (a).s6_addr[3] = (i)&0xff; \ | |
48 | } while (0) | |
718e3744 | 49 | #else |
50 | #define IN6_LINKLOCAL_IFINDEX(a) | |
51 | #define SET_IN6_LINKLOCAL_IFINDEX(a, i) | |
52 | #endif /* KAME */ | |
53 | ||
718e3744 | 54 | #define sockunion_family(X) (X)->sa.sa_family |
55 | ||
0c5ed3ed JBD |
56 | #define sockunion2ip(X) (X)->sin.sin_addr.s_addr |
57 | ||
718e3744 | 58 | /* Prototypes. */ |
d62a17ae | 59 | extern int str2sockunion(const char *, union sockunion *); |
60 | extern const char *sockunion2str(const union sockunion *, char *, size_t); | |
62510c09 | 61 | int in6addr_cmp(const struct in6_addr *addr1, const struct in6_addr *addr2); |
d62a17ae | 62 | extern int sockunion_cmp(const union sockunion *, const union sockunion *); |
63 | extern int sockunion_same(const union sockunion *, const union sockunion *); | |
64 | extern unsigned int sockunion_hash(const union sockunion *); | |
718e3744 | 65 | |
95e0999c TT |
66 | extern size_t family2addrsize(int family); |
67 | extern size_t sockunion_get_addrlen(const union sockunion *); | |
d7c0a89a QY |
68 | extern const uint8_t *sockunion_get_addr(const union sockunion *); |
69 | extern void sockunion_set(union sockunion *, int family, const uint8_t *addr, | |
d62a17ae | 70 | size_t bytes); |
95e0999c | 71 | |
d62a17ae | 72 | extern union sockunion *sockunion_str2su(const char *str); |
73 | extern int sockunion_accept(int sock, union sockunion *); | |
862f2f37 | 74 | extern int sockunion_sizeof(const union sockunion *su); |
d62a17ae | 75 | extern int sockunion_stream_socket(union sockunion *); |
76 | extern int sockopt_reuseaddr(int); | |
77 | extern int sockopt_reuseport(int); | |
78 | extern int sockopt_v6only(int family, int sock); | |
79 | extern int sockunion_bind(int sock, union sockunion *, unsigned short, | |
80 | union sockunion *); | |
81 | extern int sockopt_ttl(int family, int sock, int ttl); | |
82 | extern int sockopt_minttl(int family, int sock, int minttl); | |
d62a17ae | 83 | extern int sockunion_socket(const union sockunion *su); |
84 | extern const char *inet_sutop(const union sockunion *su, char *str); | |
85 | extern enum connect_result sockunion_connect(int fd, const union sockunion *su, | |
86 | unsigned short port, ifindex_t); | |
87 | extern union sockunion *sockunion_getsockname(int); | |
88 | extern union sockunion *sockunion_getpeername(int); | |
89 | extern union sockunion *sockunion_dup(const union sockunion *); | |
90 | extern void sockunion_free(union sockunion *); | |
91 | extern void sockunion_init(union sockunion *); | |
ddd8d8c8 | 92 | extern int sockunion_is_null(const union sockunion *su); |
718e3744 | 93 | |
02f686ff DL |
94 | #ifdef _FRR_ATTRIBUTE_PRINTFRR |
95 | #pragma FRR printfrr_ext "%pSU" (union sockunion *) | |
94f78404 DL |
96 | #pragma FRR printfrr_ext "%pSU" (struct sockaddr *) |
97 | #pragma FRR printfrr_ext "%pSU" (struct sockaddr_storage *) | |
98 | #pragma FRR printfrr_ext "%pSU" (struct sockaddr_in *) | |
99 | #pragma FRR printfrr_ext "%pSU" (struct sockaddr_in6 *) | |
100 | #pragma FRR printfrr_ext "%pSU" (struct sockaddr_un *) | |
7b183fd8 DL |
101 | |
102 | /* AF_INET/PF_INET & co., using "PF" to avoid confusion with AFI/SAFI */ | |
103 | #pragma FRR printfrr_ext "%dPF" (int) | |
104 | /* SOCK_STREAM & co. */ | |
105 | #pragma FRR printfrr_ext "%dSO" (int) | |
02f686ff DL |
106 | #endif |
107 | ||
5e244469 RW |
108 | #ifdef __cplusplus |
109 | } | |
110 | #endif | |
111 | ||
718e3744 | 112 | #endif /* _ZEBRA_SOCKUNION_H */ |