/*
 *  Copyright (C) 2004 Christos Tsantilas
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


#include "c-icap.h"
#include <errno.h>
#include "net_io.h"
#include "debug.h"
#include "net_io.h"


#ifdef HAVE_IPV6
void ci_fill_sockaddr(ci_sockaddr_t *addr){     
     addr->ci_sin_family=addr->sockaddr.ss_family; 
     if(addr->ci_sin_family==AF_INET6){
	  addr->ci_sin_port= ((struct sockaddr_in6 *)&(addr->sockaddr))->sin6_port;
	  addr->ci_sin_addr=&(((struct sockaddr_in6 *)&(addr->sockaddr))->sin6_addr);
	  addr->ci_inaddr_len=sizeof(struct in6_addr);
     }
     else{
	  addr->ci_sin_port= ((struct sockaddr_in *)&(addr->sockaddr))->sin_port;
	  addr->ci_sin_addr=&(((struct sockaddr_in *)&(addr->sockaddr))->sin_addr);
	  addr->ci_inaddr_len=sizeof(struct in_addr);
     }
}

#else
void ci_fill_sockaddr(ci_sockaddr_t *addr){     
     addr->ci_sin_family=addr->sockaddr.sin_family; 
     addr->ci_sin_port= addr->sockaddr.sin_port;
     addr->ci_sin_addr=&(addr->sockaddr.sin_addr);
     addr->ci_inaddr_len=sizeof(struct in_addr);
}

#endif

#ifdef HAVE_IPV6

void ci_sockaddr_set_port(ci_sockaddr_t *addr,int port){
     if (addr->sockaddr.ss_family==AF_INET) 
	  ((struct sockaddr_in *)&(addr->sockaddr))->sin_port=htons(port); 
     else 
	  ((struct sockaddr_in6 *)&(addr->sockaddr))->sin6_port=htons(port);
}

#else

void ci_sockaddr_set_port(ci_sockaddr_t *addr,int port){
     addr->sockaddr.sin_port=htons(port);
     /*(addr).ci_sin_port=htons(port);*/;
}
#endif



const char *ci_sockaddr_t_to_ip(ci_sockaddr_t *addr, char *ip,int maxlen){
     return ci_inet_ntoa(addr->ci_sin_family,addr->ci_sin_addr,ip,maxlen);
}


/*
  Needed check in configure.in for inet_pton and inet_ntop ?
  For Linux and Solaris exists. 
  But I did not found these functions in win32 for example .
*/

int ci_inet_aton(int af,const char *cp, void *addr){
#ifdef HAVE_IPV6
     return inet_pton(af,cp,addr);
#else
#ifdef HAVE_INET_ATON
     return inet_aton(cp,(struct in_addr *)addr);
#else
     ((struct in_addr *)addr)->s_addr=inet_addr(cp);
     if(((struct in_addr *)addr)->s_addr==0xffffffff && strcmp(cp,"255.255.255.255")!=0)
          return 0; /*0xffffffff =255.255.255.255 which is a valid address */
     return 1;
#endif
#endif /*HAVE_IPV6*/
}



const char * ci_inet_ntoa(int af,const void *src,char *dst,int cnt){
#ifdef HAVE_IPV6
     return inet_ntop(af,src,dst,cnt);
#else
     unsigned char *addr_bytes;
     addr_bytes=(unsigned char *)src;
     snprintf(dst,cnt,"%d.%d.%d.%d",addr_bytes[0],addr_bytes[1],addr_bytes[2],addr_bytes[3]);
     dst[cnt-1]='\0';
     return (const char *)dst;
#endif
}