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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011-2025 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <string.h>
#include <stdlib.h>
#include <mailutils/cidr.h>
#include <mailutils/errno.h>
int
mu_cidr_to_sockaddr (struct mu_cidr *cidr, struct sockaddr **psa)
{
union
{
struct sockaddr sa;
struct sockaddr_in s_in;
#ifdef MAILUTILS_IPV6
struct sockaddr_in6 s_in6;
#endif
} addr;
struct sockaddr *sa;
int socklen;
memset (&addr, 0, sizeof (addr));
addr.sa.sa_family = cidr->family;
switch (cidr->family)
{
case AF_INET:
socklen = sizeof (addr.s_in);
memcpy (&addr.s_in.sin_addr.s_addr, cidr->address, 4);
break;
#ifdef MAILUTILS_IPV6
case AF_INET6:
socklen = sizeof (addr.s_in6);
memcpy (&addr.s_in6.sin6_addr, cidr->address, 16);
break;
#endif
default:
return MU_ERR_FAMILY;
}
sa = malloc (socklen);
if (!sa)
return ENOMEM;
memcpy (sa, &addr, socklen);
*psa = sa;
return 0;
}
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