commit b9b026c9c00db1a1b5b4a3caa28162655a04a882
Author: Florian Weimer <fweimer@redhat.com>
Date:   Wed Apr 27 16:12:32 2016 +0200

    resolv, nss_dns: Remove remaining syslog logging [BZ #19862]
    
    The fix for bug 14841 only removed part of the logging.

Index: b/resolv/gethnamaddr.c
===================================================================
--- a/resolv/gethnamaddr.c
+++ b/resolv/gethnamaddr.c
@@ -70,7 +70,6 @@ static char sccsid[] = "@(#)gethostnamad
 #include <resolv.h>
 #include <ctype.h>
 #include <errno.h>
-#include <syslog.h>
 
 #define RESOLVSORT
 
@@ -100,9 +99,6 @@ static char sccsid[] = "@(#)gethostnamad
 #define	MAXALIASES	35
 #define	MAXADDRS	35
 
-static const char AskedForGot[] =
-			  "gethostby*.getanswer: asked for \"%s\", got \"%s\"";
-
 static char *h_addr_ptrs[MAXADDRS + 1];
 
 static struct hostent host;
@@ -337,20 +333,12 @@ getanswer (const querybuf *answer, int a
 			 * uses many different types in responses that do not
 			 * match QTYPE.
 			 */
-			if ((_res.options & RES_USE_DNSSEC) == 0) {
-				syslog(LOG_NOTICE|LOG_AUTH,
-	       "gethostby*.getanswer: asked for \"%s %s %s\", got type \"%s\"",
-					qname, p_class(C_IN), p_type(qtype),
-					p_type(type));
-			}
 			cp += n;
 			continue;		/* XXX - had_error++ ? */
 		}
 		switch (type) {
 		case T_PTR:
 			if (strcasecmp(tname, bp) != 0) {
-				syslog(LOG_NOTICE|LOG_AUTH,
-				       AskedForGot, qname, bp);
 				cp += n;
 				continue;	/* XXX - had_error++ ? */
 			}
@@ -399,8 +387,6 @@ getanswer (const querybuf *answer, int a
 		case T_A:
 		case T_AAAA:
 			if (strcasecmp(host.h_name, bp) != 0) {
-				syslog(LOG_NOTICE|LOG_AUTH,
-				       AskedForGot, host.h_name, bp);
 				cp += n;
 				continue;	/* XXX - had_error++ ? */
 			}
@@ -748,9 +734,6 @@ gethostbyaddr(addr, len, af)
 	    _res.options &= ~RES_DNSRCH;
 	    _res.options |= RES_DEFNAMES;
 	    if (!(rhp = gethostbyname(hname2))) {
-		syslog(LOG_NOTICE|LOG_AUTH,
-		       "gethostbyaddr: No A record for %s (verifying [%s])",
-		       hname2, inet_ntoa(*((struct in_addr *)addr)));
 		_res.options = old_options;
 		__set_h_errno (HOST_NOT_FOUND);
 		return (NULL);
@@ -760,9 +743,6 @@ gethostbyaddr(addr, len, af)
 		if (!memcmp(*haddr, addr, INADDRSZ))
 			break;
 	    if (!*haddr) {
-		syslog(LOG_NOTICE|LOG_AUTH,
-		       "gethostbyaddr: A record of %s != PTR record [%s]",
-		       hname2, inet_ntoa(*((struct in_addr *)addr)));
 		__set_h_errno (HOST_NOT_FOUND);
 		return (NULL);
 	    }
Index: b/resolv/nss_dns/dns-host.c
===================================================================
--- a/resolv/nss_dns/dns-host.c
+++ b/resolv/nss_dns/dns-host.c
@@ -78,7 +78,6 @@
 #include <stdlib.h>
 #include <stddef.h>
 #include <string.h>
-#include <sys/syslog.h>
 
 #include "nsswitch.h"
 
@@ -99,10 +98,6 @@
 #endif
 #define MAXHOSTNAMELEN 256
 
-static const char AskedForGot[] = "\
-gethostby*.getanswer: asked for \"%s\", got \"%s\"";
-
-
 /* We need this time later.  */
 typedef union querybuf
 {
@@ -838,14 +833,6 @@ getanswer_r (const querybuf *answer, int
 	have_to_map = 1;
       else if (__glibc_unlikely (type != qtype))
 	{
-	  /* Log a low priority message if we get an unexpected record, but
-	     skip it if we are using DNSSEC since it uses many different types
-	     in responses that do not match QTYPE.  */
-	  if ((_res.options & RES_USE_DNSSEC) == 0)
-	    syslog (LOG_NOTICE | LOG_AUTH,
-		    "gethostby*.getanswer: asked for \"%s %s %s\", "
-		    "got type \"%s\"",
-		    qname, p_class (C_IN), p_type (qtype), p_type (type));
 	  cp += n;
 	  continue;			/* XXX - had_error++ ? */
 	}
@@ -855,7 +842,6 @@ getanswer_r (const querybuf *answer, int
 	case T_PTR:
 	  if (__glibc_unlikely (strcasecmp (tname, bp) != 0))
 	    {
-	      syslog (LOG_NOTICE | LOG_AUTH, AskedForGot, qname, bp);
 	      cp += n;
 	      continue;			/* XXX - had_error++ ? */
 	    }
@@ -899,7 +885,6 @@ getanswer_r (const querybuf *answer, int
 	case T_AAAA:
 	  if (__builtin_expect (strcasecmp (result->h_name, bp), 0) != 0)
 	    {
-	      syslog (LOG_NOTICE | LOG_AUTH, AskedForGot, result->h_name, bp);
 	      cp += n;
 	      continue;			/* XXX - had_error++ ? */
 	    }
@@ -1152,13 +1137,6 @@ gaih_getanswer_slice (const querybuf *an
 	  || __builtin_expect (type == T_DNAME, 0))
 #endif
 	{
-	  /* We don't support DNSSEC yet.  For now, ignore the record
-	     and send a low priority message to syslog.
-
-	     We also don't expect T_PTR or T_DNAME messages.  */
-	  syslog (LOG_DEBUG | LOG_AUTH,
-		  "getaddrinfo*.gaih_getanswer: got type \"%s\"",
-		  p_type (type));
 	  cp += n;
 	  continue;
 	}