tcp_wrappers/tcp_wrappers-7.6-altformat.patch

diff -up tcp_wrappers_7.6-ipv6.4/hosts_access.c.altformat tcp_wrappers_7.6-ipv6.4/hosts_access.c
--- tcp_wrappers_7.6-ipv6.4/hosts_access.c.altformat	2013-07-09 10:27:20.796653076 +0200
+++ tcp_wrappers_7.6-ipv6.4/hosts_access.c	2013-07-09 14:11:52.014295459 +0200
@@ -331,11 +331,16 @@ struct host_info *host;
 	    if ((cbr = strchr(tok, ']')))
 		*cbr = '\0';
 
+	    if (cbr == NULL) {
+		    tcpd_warn("bad IP6 address specification");
+		    return (NO);
+	    }
+
 	    /*
 	     * A /nnn prefix specifies how many bits of the address we
 	     * need to check. 
 	     */
-	    if ((slash = strchr(tok, '/'))) {
+	    if ((slash = strchr(tok, '/')) || (slash = strchr(cbr+1, '/'))) {
 		*slash = '\0';
 		mask = atoi(slash+1);
 		if (mask < 0 || mask > IPV6_ABITS) {
diff -up tcp_wrappers_7.6-ipv6.4/tcpdchk.c.altformat tcp_wrappers_7.6-ipv6.4/tcpdchk.c
--- tcp_wrappers_7.6-ipv6.4/tcpdchk.c.altformat	2013-07-09 10:27:20.793653089 +0200
+++ tcp_wrappers_7.6-ipv6.4/tcpdchk.c	2013-07-09 10:27:20.798653068 +0200
@@ -434,6 +434,9 @@ char   *pat;
 	    int err = 0;
 	    int mask = IPV6_ABITS;
 
+	    if (!slash)
+	      slash = strchr(cbr+1, '/');
+
 	    if (slash != NULL) {
 		*slash = '\0';
 		mask = atoi(slash + 1);