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[PATCH COMMITTED] resolv, nss_dns: Remove remaining syslog logging [BZ #19862]
- From: Florian Weimer <fweimer at redhat dot com>
- To: GNU C Library <libc-alpha at sourceware dot org>
- Date: Wed, 27 Apr 2016 16:21:06 +0200
- Subject: [PATCH COMMITTED] resolv, nss_dns: Remove remaining syslog logging [BZ #19862]
- Authentication-results: sourceware.org; auth=none
The fix for bug 14841 only removed part of the logging.
Tested using external stub resolver tests.
Florian
2016-04-27 Florian Weimer <fweimer@redhat.com>
[BZ #19862]
* resolv/nss_dns/dns-host.c (AskedForGot): Remove.
(getanswer_r): Do not call syslog.
(gaih_getanswer_slice): Likewise.
* resolv/gethnamaddr.c (AskedForGot): Remove.
(getanswer): Do not call syslog.
(gethostbyaddr): Likewise.
diff --git a/resolv/gethnamaddr.c b/resolv/gethnamaddr.c
index 3a8e9b1..4720fc8 100644
--- a/resolv/gethnamaddr.c
+++ b/resolv/gethnamaddr.c
@@ -70,7 +70,6 @@ static char sccsid[] = "@(#)gethostnamadr.c 8.1 (Berkeley) 6/4/93";
#include <resolv.h>
#include <ctype.h>
#include <errno.h>
-#include <syslog.h>
#define RESOLVSORT
@@ -100,9 +99,6 @@ static char sccsid[] = "@(#)gethostnamadr.c 8.1 (Berkeley) 6/4/93";
#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;
@@ -335,20 +331,12 @@ getanswer (const querybuf *answer, int anslen, const char *qname, int qtype)
* 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++ ? */
}
@@ -397,8 +385,6 @@ getanswer (const querybuf *answer, int anslen, const char *qname, int qtype)
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++ ? */
}
@@ -740,9 +726,6 @@ gethostbyaddr (const void *addr, socklen_t len, int 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);
@@ -752,9 +735,6 @@ gethostbyaddr (const void *addr, socklen_t len, int 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);
}
diff --git a/resolv/nss_dns/dns-host.c b/resolv/nss_dns/dns-host.c
index 4bb0e62..fb1d21c 100644
--- 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 anslen, const char *qname, int qtype,
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 anslen, const char *qname, int qtype,
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 anslen, const char *qname, int qtype,
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 *answer, int anslen, const char *qname,
|| __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;
}
--
2.4.11