Various fixes

Changes

@@ -1766,3 +1766,4 @@ seen. gmtime warning still there
 - Fixed bug #0000601 reported by cate where specifying just a :port number for set::scan::endpoint 
   caused a seg fault.
 - Added some patches by Syzop to fix a variety of different bugs
+- Added some bugfixes for IPv6 and others by Syzop

src/match.c

@@ -95,6 +95,7 @@ static inline int match2(char *mask, char *name)
 			cm = *m;
 			if (cm == '\\')	/* don't do ? checking if a \ */
 			{
+				
 				cm = *(++m);	/* just skip this char, no ? checking */
 			}
 			else if (cm == '?')	/* if it's a ? */
@@ -139,6 +140,7 @@ static inline int match2(char *mask, char *name)
 		if (cm == '\\')	/* next char will not be a wildcard. */
 		{		/* skip wild checking, don't continue */
 			cm = lc(*(++m));
+			n++;
 		}
 		/* Complicated to read, but to save CPU time.  Every ounce counts. */
 		if (lc(*n) != cm)	/* if the current chars don't equal, */

src/res.c

@@ -1155,6 +1155,7 @@ struct hostent *get_res(char *lp,long id)
 			bcopy((char *)&rptr->cinfo, lp, sizeof(Link));
 	}
 #else
+/* WIN32 */
         he = rptr->he;
          if (he && he->h_name && ((struct IN_ADDR *)he->h_addr)->S_ADDR &&
 	             rptr->locked < 2)
@@ -1367,13 +1368,8 @@ static void update_list(ResRQ *rptr, aCache *cachep)
 	/*
 	 * Do the same again for IP#'s.
 	 */
-#ifdef INET6
 	for (s = (char *)HE(rptr)->h_addr.S_ADDR;
-	    ((struct IN_ADDR *)s)->S_ADDR; s += sizeof(struct IN_ADDR))
-#else
-	for (s = (char *)&HE(rptr)->h_addr.S_ADDR;
-	    ((struct IN_ADDR *)s)->S_ADDR; s += sizeof(struct IN_ADDR))
-#endif
+	    WHOSTENTP(((struct IN_ADDR *)s)->S_ADDR); s += sizeof(struct IN_ADDR))
 	{
 #ifdef INET6
 		for (i = 0; (t = HE(cp)->h_addr_list[i]); i++)
@@ -1403,10 +1399,18 @@ static void update_list(ResRQ *rptr, aCache *cachep)
 			base = (char **)MyRealloc((char *)ab,
 			    (addrcount + 1) * sizeof(*ab));
 			HE(cp)->h_addr_list = base;
+			ab = (struct IN_ADDR **)HE(cp)->h_addr_list; /* Update after realloc -- Syzop */
 #ifdef	DEBUGMODE
+ #ifdef INET6
+			Debug((DEBUG_DNS, "u_l:add IP %s hal %x ac %d",
+				inet_ntop(((struct IN_ADDR *)s), mydummy,
+				          MYDUMMY_SIZE),
+				HE(cp)->h_addr_list, addrcount));
+ #else
 			Debug((DEBUG_DNS, "u_l:add IP %x hal %x ac %d",
 			    ntohl(((struct IN_ADDR *)s)->S_ADDR),
 			    HE(cp)->h_addr_list, addrcount));
+ #endif
 #endif
 			for (; addrcount; addrcount--)
 			{
@@ -1556,7 +1560,7 @@ static aCache *make_cache(ResRQ *rptr)
 	   ** shouldn't happen but it just might...
 	 */
 #ifndef _WIN32
-	if (!rptr->he.h_name || !rptr->he.h_addr.S_ADDR)
+	if (!rptr->he.h_name || !WHOSTENTP(rptr->he.h_addr.S_ADDR) )
 #else
 		if (!rptr->he->h_name || !((struct IN_ADDR *)rptr->he->h_addr)->S_ADDR)
 #endif

src/s_bsd.c

@@ -750,8 +750,6 @@ int  check_client(aClient *cptr)
 
 	if ((i = AllowClient(cptr, hp, sockname)))
 	{
-		Debug((DEBUG_DNS, "ch_cl: access denied: %s[%s]",
-		    cptr->name, sockname));
 		return i;
 	}
 
@@ -1856,7 +1854,7 @@ deadsocket:
 			)
 			length = read_packet(cptr, &read_set);
 #ifdef USE_SSL
-		if ((cptr->ssl != NULL) && 
+		if ((length != FLUSH_BUFFER) && (cptr->ssl != NULL) && 
 			(IsSSLAcceptHandshake(cptr) || IsSSLConnectHandshake(cptr)) &&
 			FD_ISSET(cptr->fd, &read_set))
 		{