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Code Issues Releases Wiki Activity

1485. [bug] gen failed to handle high type values. [RT #6225]

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This commit is contained in:
Mark Andrews
2003-07-17 08:05:15 +00:00
parent e0557d5e68
commit 471e0563c7
3 changed files with 70 additions and 49 deletions
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25
lib/dns/rdata.c
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@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: rdata.c,v 1.175 2003/06/24 05:10:32 marka Exp $ */
/* $Id: rdata.c,v 1.176 2003/07/17 08:05:15 marka Exp $ */
#include <config.h>
#include <ctype.h>
@@ -765,7 +765,7 @@ rdata_totext(dns_rdata_t *rdata, dns_rdata_textctx_t *tctx,
{
isc_result_t result = ISC_R_NOTIMPLEMENTED;
isc_boolean_t use_default = ISC_FALSE;
char buf[sizeof("65536")];
char buf[sizeof("65535")];
isc_region_t sr;
REQUIRE(rdata != NULL);
@@ -958,10 +958,9 @@ dns_rdata_digest(dns_rdata_t *rdata, dns_digestfunc_t digest, void *arg) {
unsigned int
dns_rdatatype_attributes(dns_rdatatype_t type)
{
if (type > 255)
return (DNS_RDATATYPEATTR_UNKNOWN);
return (typeattr[type].flags);
if (type < (sizeof(typeattr)/sizeof(typeattr[0])))
return (typeattr[type].flags);
return (DNS_RDATATYPEATTR_UNKNOWN);
}
#define NUMBERSIZE sizeof("037777777777") /* 2^32-1 octal + NUL */
@@ -1107,7 +1106,7 @@ dns_rdataclass_fromtext(dns_rdataclass_t *classp, isc_textregion_t *source) {
isc_result_t
dns_rdataclass_totext(dns_rdataclass_t rdclass, isc_buffer_t *target) {
char buf[sizeof("CLASS65536")];
char buf[sizeof("CLASS65535")];
switch (rdclass) {
case dns_rdataclass_any:
@@ -1195,14 +1194,12 @@ dns_rdatatype_fromtext(dns_rdatatype_t *typep, isc_textregion_t *source) {
isc_result_t
dns_rdatatype_totext(dns_rdatatype_t type, isc_buffer_t *target) {
char buf[sizeof("TYPE65536")];
char buf[sizeof("TYPE65535")];
if (type > 255) {
snprintf(buf, sizeof buf, "TYPE%u", type);
return (str_totext(buf, target));
}
return (str_totext(typeattr[type].name, target));
if (type < (sizeof(typeattr)/sizeof(typeattr[0])))
return (str_totext(typeattr[type].name, target));
snprintf(buf, sizeof buf, "TYPE%u", type);
return (str_totext(buf, target));
}
void