$OpenBSD: patch-src_main_c,v 1.1.1.1 2007/09/06 17:58:55 simon Exp $
--- src/main.c.orig	Tue Jul  9 05:53:49 2002
+++ src/main.c	Thu Sep  6 09:41:35 2007
@@ -200,15 +200,23 @@ int is_valid_channelname(char *p)
 
 char is_explicit_banned(struct net_t *n)
   { /* I should use regex, but I've not used it before, and it was late. Easier to write a quick one of my own */
+#ifdef USE_IPV6
+    char ip_str[INET6_ADDRSTRLEN], host[INET6_ADDRSTRLEN];
+#else
     char ip_str[UHOSTLEN+1], host[UHOSTLEN+1];
     char n1[4], n2[4], n3[4], n4[4];
+#endif
     int i, j; int found;
    
+#ifdef USE_IPV6
+    inet_ntop(AF_INET6, &n->addr, (char *)ip_str, INET6_ADDRSTRLEN);
+#else
     sprintf(n1,"%lu", (unsigned long)(n->addr&0xff000000)/(unsigned long)0x1000000);
     sprintf(n2,"%lu", (unsigned long)(n->addr&0x00ff0000)/(unsigned long)0x10000);
     sprintf(n3,"%lu", (unsigned long)(n->addr&0x0000ff00)/(unsigned long)0x100);
     sprintf(n4,"%lu", (unsigned long)n->addr&0x000000ff);
     sprintf(ip_str, "%s.%s.%s.%s", n1, n2, n3, n4);
+#endif
 
     found = 0;
     i = 0;
@@ -228,8 +236,12 @@ char is_explicit_banned(struct net_t *n)
 
 int is_banned(struct net_t *n)
   { /* I should use regex, but I've not used it before, and it was late. Easier to write a quick one of my own */
+#ifdef USE_IPV6
+    char ip_str[INET6_ADDRSTRLEN], host[INET6_ADDRSTRLEN];
+#else
     char ip_str[UHOSTLEN+1], host[UHOSTLEN+1];
     char n1[4], n2[4], n3[4], n4[4];
+#endif
     int i, j; int found, allow;
    
     allow = 0;
@@ -247,11 +259,15 @@ int is_banned(struct net_t *n)
 	return(0);
 		
 	
+#ifdef USE_IPV6
+    inet_ntop(AF_INET6, &n->addr, (char *)ip_str, INET6_ADDRSTRLEN);
+#else
     sprintf(n1,"%lu", (unsigned long)(n->addr&0xff000000)/(unsigned long)0x1000000);
     sprintf(n2,"%lu", (unsigned long)(n->addr&0x00ff0000)/(unsigned long)0x10000);
     sprintf(n3,"%lu", (unsigned long)(n->addr&0x0000ff00)/(unsigned long)0x100);
     sprintf(n4,"%lu", (unsigned long)n->addr&0x000000ff);
     sprintf(ip_str, "%s.%s.%s.%s", n1, n2, n3, n4);
+#endif
 
     found = 0;
     i = 0;
@@ -404,7 +420,11 @@ void init_telnet_port()
     gnet=malloc(sizeof(struct net_t));
     gnet->next=NULL;
     n=gnet;
+#ifdef USE_IPV6
+    getmyip(&n->addr);
+#else
     n->addr=getmyip();
+#endif
     n->type=NET_TELNET;
     n->channel = malloc(sizeof(struct channel_t));
     n->channel->name[0] = '\0';
@@ -452,7 +472,11 @@ void init_query_port()
   /* no existing entry */
   n->next = malloc(sizeof(struct net_t));
   n = n->next;
+#ifdef USE_IPV6
+  getmyip(&n->addr);
+#else
   n->addr=getmyip();
+#endif
   n->type=NET_QUERY;
   n->next=NULL;
   n->channel = malloc(sizeof(struct channel_t));
@@ -496,7 +520,11 @@ void init_playback_port()
   /* no existing entry */
   n->next = malloc(sizeof(struct net_t));
   n = n->next;
+#ifdef USE_IPV6
+  getmyip(&n->addr);
+#else
   n->addr=getmyip();
+#endif
   n->type=NET_PLAYBACK;
   n->next=NULL;
   n->channel = malloc(sizeof(struct channel_t));
@@ -2317,8 +2345,21 @@ int net_query_playerquery(struct net_t *n, char *buf)
         return 1;
 }
 
+#ifdef USE_IPV6
 int net_query_IPconvert(struct net_t *n, char *host)
 {
+	char ip_str[INET6_ADDRSTRLEN];
+
+	inet_ntop(AF_INET6, &n->addr, (char *)ip_str, INET6_ADDRSTRLEN);
+	if (n->host[0] == 0 || strlen(n->host) >= UHOSTLEN)
+		sprintf(host, "%s",ip_str);
+	else
+		strcpy(host, n->host);
+	return 1;
+}
+#else
+int net_query_IPconvert(struct net_t *n, char *host)
+{
 	unsigned char x1, x2, x3, x4;
 	IP ip;
 	ip = n->addr;
@@ -2333,6 +2374,7 @@ int net_query_IPconvert(struct net_t *n, char *host)
 		strcpy(host, n->host);
 	return 1;
 }
+#endif
 
 /* Trim weird useless chars at the end */
 int net_query_TrimStr(char *p)
@@ -3468,8 +3510,12 @@ void net_query_init(struct net_t *n, char *buf)
 /* Someone has just connected. So lets answer them */
 void net_query(struct net_t *n, char *buf)
 {
+#ifdef USE_IPV6
+	struct in6_addr ip;
+#else
 	IP ip;
 	/* unsigned char x1, x2, x3, x4; */
+#endif
 	struct net_t *net;
 
 	net=malloc(sizeof(struct net_t));
@@ -3481,7 +3527,11 @@ void net_query(struct net_t *n, char *buf)
 	net->sock=answer(n->sock,&ip,0);
 	setopt(net->sock, 0);
 
+#ifdef USE_IPV6
+	memcpy(&net->addr, &ip, sizeof(ip));
+#else
 	net->addr=ip;
+#endif
 	net->port=n->port;
 	net->securitylevel=LEVEL_NORMAL;
 	net->status=STAT_NOTPLAYING;
@@ -3490,6 +3540,9 @@ void net_query(struct net_t *n, char *buf)
 	strcpy(net->nick, "(telnet)");
 	do_async_dns(net);
 	net->type = NET_WAITINGFORDNS;
+#ifdef USE_IPV6
+net_donedns(net);
+#endif
 }
 
 void net_query_donedns (struct net_t *net) {
@@ -3646,8 +3699,12 @@ int net_playback_isvalidnick(char *p)
 /* Someone has just connected. So lets answer them */
 void net_playback(struct net_t *n, char *buf)
 {
+#ifdef USE_IPV6
+	struct in6_addr ip;
+#else
         IP ip;
         /* unsigned char x1, x2, x3, x4; */
+#endif
         struct net_t *net;
 
         net=malloc(sizeof(struct net_t));
@@ -3659,7 +3716,11 @@ void net_playback(struct net_t *n, char *buf)
         net->sock=answer(n->sock,&ip,0);
 		setopt(net->sock, 0);
 
+#ifdef USE_IPV6
+	memcpy(&net->addr, &ip, sizeof(ip));
+#else
         net->addr=ip;
+#endif
         net->port=n->port;
         net->securitylevel=LEVEL_NORMAL;
         net->status=STAT_NOTPLAYING;
@@ -3669,6 +3730,9 @@ void net_playback(struct net_t *n, char *buf)
         strcpy(net->nick, "(telnet)");
 		do_async_dns(net);
 		net->type = NET_WAITINGFORDNS;
+#ifdef USE_IPV6
+net_donedns(net);
+#endif
 }
 
 void net_playback_donedns(struct net_t *net) {
@@ -4348,7 +4412,11 @@ void net_telnet_init(struct net_t *n, char *buf)
 /* Someone has just connected. So lets answer them */
 void net_telnet(struct net_t *n, char *buf)
   {
+#ifdef USE_IPV6
+    static struct in6_addr ip;
+#else
     unsigned long ip;
+#endif
     struct net_t *net;
 
 
@@ -4361,7 +4429,11 @@ void net_telnet(struct net_t *n, char *buf)
       net->sock=answer(n->sock,&ip,0);
 	setopt(net->sock, 0);
     /* Save the port stuff */
+#ifdef USE_IPV6
+    memcpy(&net->addr, &ip, sizeof(ip));
+#else
     net->addr=ip;
+#endif
     net->port=n->port;
     net->securitylevel=LEVEL_NORMAL;
     net->status=STAT_NOTPLAYING;
@@ -4373,12 +4445,24 @@ void net_telnet(struct net_t *n, char *buf)
     net->timeout_ingame = 30;
 	do_async_dns(net);
     net->type = NET_WAITINGFORDNS;
+#ifdef USE_IPV6
+net_donedns(net);
+#endif
 	/* net has not been added to socket list */
 	/* EOF on this will be EOF on unknown socket */
 	
 }
 
+#ifdef USE_IPV6
 void do_async_dns (struct net_t *n) {
+	char ip_str[INET6_ADDRSTRLEN];
+
+	inet_ntop(AF_INET6, &n->addr, (char *)ip_str, INET6_ADDRSTRLEN);
+	sprintf(n->host, "%s", ip_str);
+	sprintf(n->ip, "%s", ip_str);
+}
+#else
+void do_async_dns (struct net_t *n) {
 	char n1[4], n2[4], n3[4], n4[4];
 	char buf[1024];
     int res_id;
@@ -4393,11 +4477,14 @@ void do_async_dns (struct net_t *n) {
 	res_id = query_do(buf);
 	add_rnet(n, res_id);
 }
+#endif
 
 void net_donedns(struct net_t *net) {
 
 	if (net->type != NET_WAITINGFORDNS) return;
+#ifndef USE_IPV6
 	rem_rnet(net);
+#endif
     switch(net->port) {
     	case TELNET_PORT: { net_telnet_donedns (net); break; }
     	case QUERY_PORT:  { net_query_donedns (net); break; }