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/*
* Copyright (c) 2008-2024 OARC, Inc.
* Copyright (c) 2007-2008, Internet Systems Consortium, Inc.
* Copyright (c) 2003-2007, The Measurement Factory, Inc.
* 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.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE
* COPYRIGHT HOLDER 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.
*/
#include "config.h"
#include "inX_addr.h"
#include "hashtbl.h"
#include <arpa/inet.h>
#include <string.h>
#include <sys/socket.h> // For AF_ on BSDs
const char*
inXaddr_ntop(const inX_addr* a, char* buf, socklen_t len)
{
const char* p;
if (a->family == AF_INET6)
p = inet_ntop(AF_INET6, &a->in6, buf, len);
else
p = inet_ntop(AF_INET, &a->in4, buf, len);
if (p)
return p;
return "[unprintable]";
}
int inXaddr_pton(const char* buf, inX_addr* a)
{
if (strchr(buf, ':')) {
a->family = AF_INET6;
return inet_pton(AF_INET6, buf, &a->in6);
}
a->family = AF_INET;
return inet_pton(AF_INET, buf, &a->in4);
}
unsigned int
inXaddr_hash(const inX_addr* a)
{
if (a->family == AF_INET6) {
return hashword(a->in6.s6_addr32, 4, 0);
}
return hashword(&a->in4.s_addr, 1, 0);
}
int inXaddr_cmp(const inX_addr* a, const inX_addr* b)
{
if (a->family == AF_INET6) {
if (ntohl(a->in6.s6_addr32[3]) < ntohl(b->in6.s6_addr32[3]))
return -1;
if (ntohl(a->in6.s6_addr32[3]) > ntohl(b->in6.s6_addr32[3]))
return 1;
if (ntohl(a->in6.s6_addr32[2]) < ntohl(b->in6.s6_addr32[2]))
return -1;
if (ntohl(a->in6.s6_addr32[2]) > ntohl(b->in6.s6_addr32[2]))
return 1;
if (ntohl(a->in6.s6_addr32[1]) < ntohl(b->in6.s6_addr32[1]))
return -1;
if (ntohl(a->in6.s6_addr32[1]) > ntohl(b->in6.s6_addr32[1]))
return 1;
if (ntohl(a->in6.s6_addr32[0]) < ntohl(b->in6.s6_addr32[0]))
return -1;
if (ntohl(a->in6.s6_addr32[0]) > ntohl(b->in6.s6_addr32[0]))
return 1;
return 0;
}
if (ntohl(a->in4.s_addr) < ntohl(b->in4.s_addr))
return -1;
if (ntohl(a->in4.s_addr) > ntohl(b->in4.s_addr))
return 1;
return 0;
}
inX_addr
inXaddr_mask(const inX_addr* a, const inX_addr* mask)
{
inX_addr masked;
if (a->family == AF_INET6) {
masked.family = AF_INET6;
masked.in6.s6_addr32[0] = a->in6.s6_addr32[0] & mask->in6.s6_addr32[0];
masked.in6.s6_addr32[1] = a->in6.s6_addr32[1] & mask->in6.s6_addr32[1];
masked.in6.s6_addr32[2] = a->in6.s6_addr32[2] & mask->in6.s6_addr32[2];
masked.in6.s6_addr32[3] = a->in6.s6_addr32[3] & mask->in6.s6_addr32[3];
} else {
masked.family = AF_INET;
masked.in4.s_addr = a->in4.s_addr & mask->in4.s_addr;
}
return masked;
}
int inXaddr_version(const inX_addr* a)
{
if (a->family == AF_INET6)
return 6;
return 4;
}
int inXaddr_assign_v4(inX_addr* dst, const struct in_addr* src)
{
dst->family = AF_INET;
dst->in4 = *src;
return 0;
}
int inXaddr_assign_v6(inX_addr* dst, const struct in6_addr* src)
{
dst->family = AF_INET6;
dst->in6 = *src;
return 0;
}
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