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set DNS_RDATASETATTR_TTLADJUSTED when the ttl's for rdata don't match

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This commit is contained in:
Michael Graff
1999-12-17 00:21:38 +00:00
parent 573b8b48d8
commit 59602a4485
2 changed files with 14 additions and 2 deletions
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9
lib/dns/include/dns/rdataset.h
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@@ -111,6 +111,14 @@ struct dns_rdataset {
void * private5;
};
/*
* _RENDERED:
* Used by message.c to indicate that the rdataset was rendered.
*
* _TTLADJUSTED:
* Used by message.c to indicate that the rdataset's rdata had differing
* TTL values, and the rdataset->ttl holds the smallest.
*/
#define DNS_RDATASETATTR_QUESTION 0x0001
#define DNS_RDATASETATTR_RENDERED 0x0002 /* Used by message.c */
#define DNS_RDATASETATTR_ANSWERED 0x0004 /* Used by server. */
@@ -120,6 +128,7 @@ struct dns_rdataset {
#define DNS_RDATASETATTR_EXTERNAL 0x0040 /* Used by resolver. */
#define DNS_RDATASETATTR_NCACHE 0x0080 /* Used by resolver. */
#define DNS_RDATASETATTR_CHAINING 0x0100 /* Used by resolver. */
#define DNS_RDATASETATTR_TTLADJUSTED 0x0200 /* Used by message.c */
void
dns_rdataset_init(dns_rdataset_t *rdataset);

7
lib/dns/message.c
View File

@@ -1198,8 +1198,11 @@ getsection(isc_buffer_t *source, dns_message_t *msg, dns_decompress_t *dctx,
* currently treat them the as if they were authoritative and
* minimize them.
*/
if (ttl < rdataset->ttl)
rdataset->ttl = ttl;
if (ttl != rdataset->ttl) {
rdataset->attributes |= DNS_RDATASETATTR_TTLADJUSTED;
if (ttl < rdataset->ttl)
rdataset->ttl = ttl;
}
/*
* XXXMLG Perform a totally ugly hack here to pull