Module Name:    src
Committed By:   snj
Date:           Wed Dec  9 04:53:39 UTC 2009

Modified Files:
        src/dist/ntp/ntpd [netbsd-4]: ntp_request.c

Log Message:
Apply patch (requested by kardel in ticket 1369):
Fix CVE-2009-3563.


To generate a diff of this commit:
cvs rdiff -u -r1.5.4.1 -r1.5.4.2 src/dist/ntp/ntpd/ntp_request.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/dist/ntp/ntpd/ntp_request.c
diff -u src/dist/ntp/ntpd/ntp_request.c:1.5.4.1 src/dist/ntp/ntpd/ntp_request.c:1.5.4.2
--- src/dist/ntp/ntpd/ntp_request.c:1.5.4.1	Tue Aug 21 08:40:03 2007
+++ src/dist/ntp/ntpd/ntp_request.c	Wed Dec  9 04:53:39 2009
@@ -1,4 +1,4 @@
-/*	$NetBSD: ntp_request.c,v 1.5.4.1 2007/08/21 08:40:03 ghen Exp $	*/
+/*	$NetBSD: ntp_request.c,v 1.5.4.2 2009/12/09 04:53:39 snj Exp $	*/
 
 /*
  * ntp_request.c - respond to information requests
@@ -411,6 +411,7 @@
 	int mod_okay
 	)
 {
+	static u_long quiet_until;
 	struct req_pkt *inpkt;
 	struct req_pkt_tail *tailinpkt;
 	struct sockaddr_storage *srcadr;
@@ -446,8 +447,14 @@
 	    || (++ec, INFO_MBZ(inpkt->mbz_itemsize) != 0)
 	    || (++ec, rbufp->recv_length < REQ_LEN_HDR)
 		) {
-		msyslog(LOG_ERR, "process_private: INFO_ERR_FMT: test %d failed, pkt from %s", ec, stoa(srcadr));
-		req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
+		NLOG(NLOG_SYSEVENT)
+			if (current_time >= quiet_until) {
+				msyslog(LOG_ERR,
+					"process_private: drop test %d"
+					" failed, pkt from %s",
+					ec, stoa(srcadr));
+				quiet_until = current_time + 60;
+			}
 		return;
 	}
 

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