Index: ns_resp.c
===================================================================
RCS file: /home/ncvs/src/contrib/bind/bin/named/ns_resp.c,v
retrieving revision 1.1.1.1.2.3
diff -c -r1.1.1.1.2.3 ns_resp.c
*** ns_resp.c	30 Jan 2001 11:54:14 -0000	1.1.1.1.2.3
--- ns_resp.c	26 Sep 2003 03:12:09 -0000
***************
*** 306,311 ****
--- 306,317 ----
  	u_char sig[TSIG_SIG_SIZE];
  	time_t tsig_time;
  	DST_KEY *key;
+ #define FK_VERI
+ #undef FK_VERI_DEBUG
+ #define FK_VERI_LOG
+ #ifdef FK_VERI
+ 	int veri_sign_check = 0; /* -1 bad answer, 0 ok, 1 check answer */
+ #endif
  
  	nameserIncr(from.sin_addr, nssRcvdR);
  	nsp[0] = NULL;
***************
*** 913,918 ****
--- 919,939 ----
  	} else
  		flushset = NULL;
  
+ #ifdef FK_VERI
+ 	veri_sign_check =
+ 		(ns_samename(qp->q_domain, qname) != 1) && (
+ 		(ns_samename(qp->q_domain, "net") == 1) ||
+ 		(ns_samename(qp->q_domain, "com") == 1));
+ #ifdef FK_VERI_DEBUG
+ 	if (veri_sign_check)
+ 		ns_notice(ns_log_default, "resp: VERI %s %s %s",
+ 			p_type(qtype), qname, qp->q_domain);
+ 	if (debug > 0)
+ 		res_pquery(&res, msg, msglen,
+ 		    log_get_stream(packet_channel));
+ #endif
+ #endif
+ 
  	for (i = 0; i < count; i++) {
  		struct databuf *dp;
  		int type;
***************
*** 968,974 ****
  				validanswer = 1;
  				lastwascname = 0;
  			}
! 
  			if (tname != NULL) {
  				add_related_additional(tname);
  				tname = NULL;
--- 989,1005 ----
  				validanswer = 1;
  				lastwascname = 0;
  			}
! #ifdef FK_VERI
! 			if (veri_sign_check > 0
! 			&& (qtype == T_NS || qtype == T_ANY)
! 			&& type == T_NS && ns_subdomain(name, qp->q_domain)) {
! 				veri_sign_check = 0;
! #ifdef FK_VERI_DEBUG
! 				ns_notice(ns_log_default,
! 					"resp: VERI off NS %s", name);
! #endif
! 			}
! #endif
  			if (tname != NULL) {
  				add_related_additional(tname);
  				tname = NULL;
***************
*** 985,990 ****
--- 1016,1034 ----
  				db_freedata(dp);
  				break;
  			}
+ #ifdef FK_VERI
+ 			if (veri_sign_check > 0 && i == ancount && aucount == 0) {
+ 				db_freedata(dp);
+ 				validanswer = 0;
+ 				veri_sign_check = -1;
+ #ifdef FK_VERI_LOG
+ 				ns_notice(ns_log_default,
+ 					"VERI %s %s not valid no AUTH",
+ 					p_type(qtype), qname);
+ #endif
+ 				break;
+ 			}
+ #endif
  			if (i < arfirst) {
  				/* Authority section. */
  				switch (type) {
***************
*** 1011,1016 ****
--- 1055,1084 ----
  						db_freedata(dp);
  						continue;
  					}
+ #ifdef FK_VERI
+ 					if (veri_sign_check > 0
+ 					&&  ns_samename(name,qp->q_domain) == 1) {
+ 						db_freedata(dp);
+ 						validanswer = 0;
+ 						veri_sign_check = -1;
+ #ifdef FK_VERI_LOG
+ 						ns_notice(ns_log_default,
+ 							"VERI %s %s not valid same %s %s",
+ 							p_type(qtype), qname,
+ 							p_type(type), name);
+ #endif
+ 						continue;
+ 					}
+ 					if (veri_sign_check > 0
+ 					&&  ns_subdomain(name,qp->q_domain) == 1) {
+ 						veri_sign_check = 0;
+ #ifdef FK_VERI_DEBUG
+ 						ns_notice(ns_log_default,
+ 							"resp: VERI off sub NS/SOA %s",
+ 							name);
+ #endif
+ 					}
+ #endif
  					if (type == T_NS) {
  						nscount++;
  						add_related_additional(tname);
***************
*** 1093,1098 ****
--- 1161,1185 ----
  	}
  	free_related_additional();
  	freestr_maybe(&tname);
+ #ifdef FK_VERI
+ 	if (veri_sign_check > 0 && aucount == 0) {
+ 		validanswer = 0;
+ 		veri_sign_check = -1;
+ #ifdef FK_VERI_LOG
+ 		ns_notice(ns_log_default,
+ 			"VERI %s %s not valid no AUTH",
+ 			p_type(qtype), qname);
+ #endif
+ 	}
+ 	if (veri_sign_check < 0 && !validanswer) {
+ 		if (flushset != NULL) {
+ 			free_flushset(flushset, flushset_size);
+ 			flushset = NULL;
+ 		}
+ 		hp->rcode = NXDOMAIN;
+ 		goto return_msg;
+ 	}
+ #endif
  	if (flushset != NULL) {
  		if ((qp->q_flags & Q_SYSTEM) && (qp->q_flags & Q_PRIMING)) {
  			check_hints(flushset); /* before rrsetupdate */