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3 * Copyright (c) 1997 Kunihiro Ishiguro
5 * This file is part of GNU Zebra.
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
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.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Zebra; see the file COPYING. If not, write to the Free
19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
23 #ifndef _ZEBRA_SOCKUNION_H
24 #define _ZEBRA_SOCKUNION_H
32 struct sockaddr_in sin
;
33 struct sockaddr_in6 sin6
;
43 /* Default address family. */
45 #define AF_INET_UNION AF_INET6
47 #define AF_INET_UNION AF_INET
50 /* Sockunion address string length. Same as INET6_ADDRSTRLEN. */
51 #define SU_ADDRSTRLEN 46
53 /* Macro to set link local index to the IPv6 address. For KAME IPv6
56 #define IN6_LINKLOCAL_IFINDEX(a) ((a).s6_addr[2] << 8 | (a).s6_addr[3])
57 #define SET_IN6_LINKLOCAL_IFINDEX(a, i) \
59 (a).s6_addr[2] = ((i) >> 8) & 0xff; \
60 (a).s6_addr[3] = (i) & 0xff; \
63 #define IN6_LINKLOCAL_IFINDEX(a)
64 #define SET_IN6_LINKLOCAL_IFINDEX(a, i)
67 #define sockunion_family(X) (X)->sa.sa_family
69 #define sockunion2ip(X) (X)->sin.sin_addr.s_addr
72 extern int str2sockunion (const char *, union sockunion
*);
73 extern const char *sockunion2str (const union sockunion
*, char *, size_t);
74 extern int sockunion_cmp (const union sockunion
*, const union sockunion
*);
75 extern int sockunion_same (const union sockunion
*, const union sockunion
*);
76 extern unsigned int sockunion_hash (const union sockunion
*);
78 extern size_t family2addrsize(int family
);
79 extern size_t sockunion_get_addrlen(const union sockunion
*);
80 extern const u_char
*sockunion_get_addr(const union sockunion
*);
81 extern void sockunion_set(union sockunion
*, int family
, const u_char
*addr
, size_t bytes
);
83 extern union sockunion
*sockunion_str2su (const char *str
);
84 extern int sockunion_accept (int sock
, union sockunion
*);
85 extern int sockunion_stream_socket (union sockunion
*);
86 extern int sockopt_reuseaddr (int);
87 extern int sockopt_reuseport (int);
88 extern int sockopt_v6only (int family
, int sock
);
89 extern int sockunion_bind (int sock
, union sockunion
*,
90 unsigned short, union sockunion
*);
91 extern int sockopt_ttl (int family
, int sock
, int ttl
);
92 extern int sockopt_minttl (int family
, int sock
, int minttl
);
93 extern int sockopt_cork (int sock
, int onoff
);
94 extern int sockopt_mark_default(int sock
, int mark
, struct zebra_privs_t
*);
95 extern int sockunion_socket (const union sockunion
*su
);
96 extern const char *inet_sutop (const union sockunion
*su
, char *str
);
97 extern enum connect_result
sockunion_connect (int fd
, const union sockunion
*su
,
100 extern union sockunion
*sockunion_getsockname (int);
101 extern union sockunion
*sockunion_getpeername (int);
102 extern union sockunion
*sockunion_dup (const union sockunion
*);
103 extern void sockunion_free (union sockunion
*);
104 extern void sockunion_init (union sockunion
*);
106 #ifndef HAVE_INET_NTOP
107 extern const char * inet_ntop (int family
, const void *addrptr
,
108 char *strptr
, size_t len
);
109 #endif /* HAVE_INET_NTOP */
111 #ifndef HAVE_INET_PTON
112 extern int inet_pton (int family
, const char *strptr
, void *addrptr
);
113 #endif /* HAVE_INET_PTON */
115 #ifndef HAVE_INET_ATON
116 extern int inet_aton (const char *cp
, struct in_addr
*inaddr
);
119 #endif /* _ZEBRA_SOCKUNION_H */