amiga-ntimed/suckaddr.c

85 lines
2.6 KiB
C

/*-
* Copyright (c) 2014 Poul-Henning Kamp
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The world has not enough cuss-words to precisely convey how broken the
* the struct sockaddr concept is.
*/
#include <string.h>
#include <sys/types.h> /* Compat for OpenBSD */
#include <sys/socket.h>
#include <netinet/in.h>
#include "ntimed.h"
int
SA_Equal(const void *sa1, size_t sl1, const void *sa2, size_t sl2)
{
const struct sockaddr *s1, *s2;
const struct sockaddr_in *s41, *s42;
// const struct sockaddr_in6 *s61, *s62;
AN(sa1);
AN(sa2);
assert(sl1 >= sizeof(struct sockaddr));
assert(sl2 >= sizeof(struct sockaddr));
s1 = sa1;
s2 = sa2;
if (s1->sa_family != s2->sa_family)
return (0);
if (s1->sa_family == AF_INET) {
assert(sl1 >= sizeof(struct sockaddr_in));
assert(sl2 >= sizeof(struct sockaddr_in));
s41 = sa1;
s42 = sa2;
if (s41->sin_port != s42->sin_port)
return (0);
if (memcmp(&s41->sin_addr, &s42->sin_addr,
sizeof s41->sin_addr))
return (0);
return (1);
}
/* if (s1->sa_family == AF_INET6) {
assert(sl1 >= sizeof(struct sockaddr_in6));
assert(sl2 >= sizeof(struct sockaddr_in6));
s61 = sa1;
s62 = sa2;
if (s61->sin6_port != s62->sin6_port)
return (0);
if (s61->sin6_scope_id != s62->sin6_scope_id)
return (0);
if (memcmp(&s61->sin6_addr, &s62->sin6_addr,
sizeof s61->sin6_addr))
return (0);
return (1);
}*/
return (0);
}