/usr/include/postfix/sock_addr.h is in postfix-dev 2.11.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | #ifndef _SOCK_ADDR_EQ_H_INCLUDED_
#define _SOCK_ADDR_EQ_H_INCLUDED_
/*++
/* NAME
/* sock_addr 3h
/* SUMMARY
/* socket address utilities
/* SYNOPSIS
/* #include <sock_addr.h>
/* DESCRIPTION
/* .nf
/*
* System library.
*/
#include <sys/socket.h>
#include <netinet/in.h>
#include <string.h>
/*
* External interface.
*/
#define SOCK_ADDR_PTR(ptr) ((struct sockaddr *)(ptr))
#define SOCK_ADDR_FAMILY(ptr) SOCK_ADDR_PTR(ptr)->sa_family
#ifdef HAS_SA_LEN
#define SOCK_ADDR_LEN(ptr) SOCK_ADDR_PTR(ptr)->sa_len
#endif
#define SOCK_ADDR_IN_PTR(sa) ((struct sockaddr_in *)(sa))
#define SOCK_ADDR_IN_FAMILY(sa) SOCK_ADDR_IN_PTR(sa)->sin_family
#define SOCK_ADDR_IN_PORT(sa) SOCK_ADDR_IN_PTR(sa)->sin_port
#define SOCK_ADDR_IN_ADDR(sa) SOCK_ADDR_IN_PTR(sa)->sin_addr
#define IN_ADDR(ia) (*((struct in_addr *) (ia)))
extern int sock_addr_cmp_addr(const struct sockaddr *, const struct sockaddr *);
extern int sock_addr_cmp_port(const struct sockaddr *, const struct sockaddr *);
extern int sock_addr_in_loopback(const struct sockaddr *);
#ifdef HAS_IPV6
#ifndef HAS_SA_LEN
#define SOCK_ADDR_LEN(sa) \
(SOCK_ADDR_PTR(sa)->sa_family == AF_INET6 ? \
sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in))
#endif
#define SOCK_ADDR_PORT(sa) \
(SOCK_ADDR_PTR(sa)->sa_family == AF_INET6 ? \
SOCK_ADDR_IN6_PORT(sa) : SOCK_ADDR_IN_PORT(sa))
#define SOCK_ADDR_PORTP(sa) \
(SOCK_ADDR_PTR(sa)->sa_family == AF_INET6 ? \
&SOCK_ADDR_IN6_PORT(sa) : &SOCK_ADDR_IN_PORT(sa))
#define SOCK_ADDR_IN6_PTR(sa) ((struct sockaddr_in6 *)(sa))
#define SOCK_ADDR_IN6_FAMILY(sa) SOCK_ADDR_IN6_PTR(sa)->sin6_family
#define SOCK_ADDR_IN6_PORT(sa) SOCK_ADDR_IN6_PTR(sa)->sin6_port
#define SOCK_ADDR_IN6_ADDR(sa) SOCK_ADDR_IN6_PTR(sa)->sin6_addr
#define IN6_ADDR(ia) (*((struct in6_addr *) (ia)))
#define SOCK_ADDR_EQ_ADDR(sa, sb) \
((SOCK_ADDR_FAMILY(sa) == AF_INET && SOCK_ADDR_FAMILY(sb) == AF_INET \
&& SOCK_ADDR_IN_ADDR(sa).s_addr == SOCK_ADDR_IN_ADDR(sb).s_addr) \
|| (SOCK_ADDR_FAMILY(sa) == AF_INET6 && SOCK_ADDR_FAMILY(sb) == AF_INET6 \
&& memcmp((char *) &(SOCK_ADDR_IN6_ADDR(sa)), \
(char *) &(SOCK_ADDR_IN6_ADDR(sb)), \
sizeof(SOCK_ADDR_IN6_ADDR(sa))) == 0))
#define SOCK_ADDR_EQ_PORT(sa, sb) \
((SOCK_ADDR_FAMILY(sa) == AF_INET && SOCK_ADDR_FAMILY(sb) == AF_INET \
&& SOCK_ADDR_IN_PORT(sa) == SOCK_ADDR_IN_PORT(sb)) \
|| (SOCK_ADDR_FAMILY(sa) == AF_INET6 && SOCK_ADDR_FAMILY(sb) == AF_INET6 \
&& SOCK_ADDR_IN6_PORT(sa) == SOCK_ADDR_IN6_PORT(sb)))
#else
#ifndef HAS_SA_LEN
#define SOCK_ADDR_LEN(sa) sizeof(struct sockaddr_in)
#endif
#define SOCK_ADDR_PORT(sa) SOCK_ADDR_IN_PORT(sa))
#define SOCK_ADDR_PORTP(sa) &SOCK_ADDR_IN_PORT(sa))
#define SOCK_ADDR_EQ_ADDR(sa, sb) \
(SOCK_ADDR_FAMILY(sa) == AF_INET && SOCK_ADDR_FAMILY(sb) == AF_INET \
&& SOCK_ADDR_IN_ADDR(sa).s_addr == SOCK_ADDR_IN_ADDR(sb).s_addr)
#define SOCK_ADDR_EQ_PORT(sa, sb) \
(SOCK_ADDR_FAMILY(sa) == AF_INET && SOCK_ADDR_FAMILY(sb) == AF_INET \
&& SOCK_ADDR_IN_PORT(sa) == SOCK_ADDR_IN_PORT(sb))
#endif
/* LICENSE
/* .ad
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/* Wietse Venema
/* IBM T.J. Watson Research
/* P.O. Box 704
/* Yorktown Heights, NY 10598, USA
/*--*/
#endif
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