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1350. [bug] dns_name_fromtext() failed to handle too many labels

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gracefully.
This commit is contained in:
Mark Andrews
2002-08-02 00:25:15 +00:00
parent a1d4da0dc7
commit 0ad5cb4782
2 changed files with 6 additions and 1 deletions
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3
CHANGES
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@@ -1,3 +1,6 @@
1350. [bug] dns_name_fromtext() failed to handle too many labels
gracefully.
1349. [security] Mimimum OpenSSL version now 0.9.6e (was 0.9.5a). 1349. [security] Mimimum OpenSSL version now 0.9.6e (was 0.9.5a).
http://www.cert.org/advisories/CA-2002-23.html http://www.cert.org/advisories/CA-2002-23.html

4
lib/dns/name.c
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@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/ */
/* $Id: name.c,v 1.135 2002/05/29 00:27:53 marka Exp $ */ /* $Id: name.c,v 1.136 2002/08/02 00:25:15 marka Exp $ */
#include <config.h> #include <config.h>
@@ -1239,6 +1239,8 @@ dns_name_fromtext(dns_name_t *name, isc_buffer_t *source,
} }
kind = ft_ordinary; kind = ft_ordinary;
state = ft_ordinary; state = ft_ordinary;
if (nrem == 0)
return (ISC_R_NOSPACE);
/* FALLTHROUGH */ /* FALLTHROUGH */
case ft_ordinary: case ft_ordinary:
if (c == '.') { if (c == '.') {