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/*
* Copyright (c) 2016-2023, OARC, 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 "endpoint.h"
#include "args.h"
#include "iaddr.h"
void endpoint_arg(endpoint_list* list, const char* arg)
{
struct addrinfo* ai;
iaddr ia;
void* p;
if (inet_pton(AF_INET6, arg, &ia.u.a6) > 0) {
ia.af = AF_INET6;
endpoint_add(list, ia);
} else if (inet_pton(AF_INET, arg, &ia.u.a4) > 0) {
ia.af = AF_INET;
endpoint_add(list, ia);
} else if (getaddrinfo(arg, NULL, NULL, &ai) == 0) {
struct addrinfo* a;
for (a = ai; a != NULL; a = a->ai_next) {
if (a->ai_socktype != SOCK_DGRAM)
continue;
switch (a->ai_family) {
case PF_INET:
ia.af = AF_INET;
p = &((struct sockaddr_in*)a->ai_addr)
->sin_addr;
memcpy(&ia.u.a4, p, sizeof ia.u.a4);
break;
case PF_INET6:
ia.af = AF_INET6;
p = &((struct sockaddr_in6*)a->ai_addr)
->sin6_addr;
memcpy(&ia.u.a6, p, sizeof ia.u.a6);
break;
default:
continue;
}
endpoint_add(list, ia);
}
freeaddrinfo(ai);
} else
usage("invalid host address");
}
void endpoint_add(endpoint_list* list, iaddr ia)
{
endpoint_ptr ep;
ep = calloc(1, sizeof *ep);
assert(ep != NULL);
INIT_LINK(ep, link);
ep->ia = ia;
APPEND(*list, ep, link);
}
int ep_present(const endpoint_list* list, iaddr ia)
{
endpoint_ptr ep;
for (ep = HEAD(*list);
ep != NULL;
ep = NEXT(ep, link))
if (ia_equal(ia, ep->ia))
return TRUE;
return (FALSE);
}
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