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/*
* inet6.cc -- netdb functions for IPv6 addresses
*/
/*
* Copyright (c) 1991 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Lawrence Berkeley Laboratory,
* Berkeley, CA. The name of the University may not be used to
* endorse or promote products derived from this software without
* specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
static const char rcsid[] =
"@(#) $Header: /cs/research/mice/starship/src/local/CVS_repository/vic/inet6.c,v 1.5 1999/06/10 14:23:06 piers Exp $";
#ifdef HAVE_IPV6
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#ifdef WIN32
//#include <winsock.h>
#else
#include <sys/param.h>
#include <netdb.h>
#include <sys/socket.h>
#endif
#include <stdio.h>
#include "config.h"
#include "inet6.h"
int
inet6_LookupHostAddr(struct in6_addr *addr, const char* hostname) {
if (inet_pton(AF_INET6, hostname, addr->s6_addr) != 1) {
struct hostent *hp;
#ifdef SOLARIS7_IPV6_OLD
int error_num;
hp = getipnodebyname(hostname, AF_INET6, AI_DEFAULT, &error_num);
#else
#if defined(LINUX_IPV6) || defined(SOLARIS7_IPV6)
struct addrinfo hints, *ai, *ai2;
int i;
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_DGRAM;
if (i = getaddrinfo(hostname, NULL, &hints, &ai)) {
fprintf(stderr, "vic: getaddrinfo: %s: %s\n", hostname, gai_strerror(i));
return (-1);
}
memcpy(addr->s6_addr, &(((struct sockaddr_in6 *)(ai->ai_addr))->sin6_addr), sizeof(struct in6_addr));
return (0);
#else
#ifdef DAS_IPV6
hp = gethostbyname2(hostname, AF_INET6);
#else
hp = getnodebyname(hostname, AF_INET6,0);
#endif /*DAS_IPV6*/
#endif /*LINUX_IPV6*/
#endif /*SOLARIS7_IPV6*/
if (hp == 0) return (-1);
memcpy(addr->s6_addr, *(hp->h_addr_list), hp->h_length);
}
return (0);
}
int
inet6_LookupLocalAddr(struct in6_addr *addr) {
static int once = 0, len;
static struct in6_addr local_addr;
if (!once) {
char name[MAXHOSTNAMELEN];
int gh=gethostname(name, sizeof(name));
if (inet6_LookupHostAddr(&local_addr, name) != 0)
return (-1);
once++;
}
len=sizeof(local_addr.s6_addr);
memcpy(addr->s6_addr, local_addr.s6_addr, sizeof(local_addr.s6_addr));
return (0);
}
int
inet6_InetNtoa(char *address, struct in6_addr *addr) {
address = (char *)malloc(INET6_ADDRSTRLEN);
return ((inet_ntop(AF_INET6, addr, address, INET6_ADDRSTRLEN) != NULL)
? (-1)
: (0));
}
int
inet6_LookupHostName(char* name, struct in6_addr *addr) {
char *p;
struct hostent* hp;
if (IN6_IS_ADDR_MULTICAST(addr)) return (inet6_InetNtoa(name, addr));
hp = gethostbyaddr(addr->s6_addr, sizeof(addr->s6_addr), AF_INET6);
if (hp == 0) return inet6_InetNtoa(name, addr);
name = (char *)malloc(strlen(hp->h_name) + 1);
strcpy(name, hp->h_name);
return (0);
}
#endif /* HAVE_IPV6 */
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