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* resolv/nss_dns/dns-host.c (gaih_getanswer_slice): If there are

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no answers return NSS_STATUS_NOTFOUND.
	(gaih_getanswer): Don't call gaih_getanswer_slice if the answer
	buffer does not have any content.

	* nscd/servicescache.c: Likewise.
This commit is contained in:
Ulrich Drepper
2008-05-17 19:54:58 +00:00
parent 74e1338588
commit 343996c47c
2 changed files with 19 additions and 6 deletions
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9
ChangeLog
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@@ -1,3 +1,10 @@
2008-05-17 Ulrich Drepper <drepper@redhat.com>
* resolv/nss_dns/dns-host.c (gaih_getanswer_slice): If there are
no answers return NSS_STATUS_NOTFOUND.
(gaih_getanswer): Don't call gaih_getanswer_slice if the answer
buffer does not have any content.
2008-05-16 Ulrich Drepper <drepper@redhat.com> 2008-05-16 Ulrich Drepper <drepper@redhat.com>
* string/strcasestr.c (CMP_FUNC): Use __strncasecmp, not strncasecmp. * string/strcasestr.c (CMP_FUNC): Use __strncasecmp, not strncasecmp.
@@ -174,7 +181,7 @@
* nscd/hstcache.c: Likewise. * nscd/hstcache.c: Likewise.
* nscd/initgrcache.c: Likewise. * nscd/initgrcache.c: Likewise.
* nscd/pwdcache.c: Likewise. * nscd/pwdcache.c: Likewise.
* nscd/servicecache.c: Likewise. * nscd/servicescache.c: Likewise.
2008-05-10 Roland McGrath <roland@redhat.com> 2008-05-10 Roland McGrath <roland@redhat.com>

16
resolv/nss_dns/dns-host.c
View File

@@ -990,6 +990,9 @@ gaih_getanswer_slice (const querybuf *answer, int anslen, const char *qname,
char *h_name = NULL; char *h_name = NULL;
int h_namelen = 0; int h_namelen = 0;
if (ancount == 0)
return NSS_STATUS_NOTFOUND;
while (ancount-- > 0 && cp < end_of_message && had_error == 0) while (ancount-- > 0 && cp < end_of_message && had_error == 0)
{ {
n = __ns_name_unpack (answer->buf, end_of_message, cp, n = __ns_name_unpack (answer->buf, end_of_message, cp,
@@ -1164,12 +1167,15 @@ gaih_getanswer (const querybuf *answer1, int anslen1, const querybuf *answer2,
{ {
int first = 1; int first = 1;
enum nss_status status = gaih_getanswer_slice(answer1, anslen1, qname, enum nss_status status = NSS_STATUS_NOTFOUND;
&pat, &buffer, &buflen,
errnop, h_errnop, ttlp, if (anslen1 > 0)
&first); status = gaih_getanswer_slice(answer1, anslen1, qname,
&pat, &buffer, &buflen,
errnop, h_errnop, ttlp,
&first);
if ((status == NSS_STATUS_SUCCESS || status == NSS_STATUS_NOTFOUND) if ((status == NSS_STATUS_SUCCESS || status == NSS_STATUS_NOTFOUND)
&& answer2 != NULL) && answer2 != NULL && anslen2 > 0)
status = gaih_getanswer_slice(answer2, anslen2, qname, status = gaih_getanswer_slice(answer2, anslen2, qname,
&pat, &buffer, &buflen, &pat, &buffer, &buflen,
errnop, h_errnop, ttlp, &first); errnop, h_errnop, ttlp, &first);