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Various hacks to allow (at some point in the future) interoperability

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with Windows 2000's broken implementation of TKEY.
This commit is contained in:
Brian Wellington
2000-10-12 00:40:52 +00:00
parent 909e3c2288
commit 0e5d6900bd
4 changed files with 68 additions and 20 deletions
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13
lib/dns/message.c
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@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: message.c,v 1.151 2000/10/11 23:57:38 bwelling Exp $ */
/* $Id: message.c,v 1.152 2000/10/12 00:40:48 bwelling Exp $ */
/***
*** Imports
@@ -1149,8 +1149,9 @@ getsection(isc_buffer_t *source, dns_message_t *msg, dns_decompress_t *dctx,
if (msg->opcode != dns_opcode_update
&& rdtype != dns_rdatatype_tsig
&& rdtype != dns_rdatatype_opt
&& rdtype != dns_rdatatype_key /* XXX in a TKEY query */
&& rdtype != dns_rdatatype_sig /* XXX SIG(0) */
&& rdtype != dns_rdatatype_key /* in a TKEY query */
&& rdtype != dns_rdatatype_sig /* SIG(0) */
&& rdtype != dns_rdatatype_tkey /* Win2000 TKEY */
&& msg->rdclass != rdclass)
DO_FORMERR;
@@ -1192,7 +1193,8 @@ getsection(isc_buffer_t *source, dns_message_t *msg, dns_decompress_t *dctx,
/*
* A TKEY must be in the additional section if this
* is a query, and the answer section if this is a
* response.
* response. Unless it's a Win2000 client.
*
* Its class is ignored.
*/
dns_section_t tkeysection;
@@ -1201,7 +1203,8 @@ getsection(isc_buffer_t *source, dns_message_t *msg, dns_decompress_t *dctx,
tkeysection = DNS_SECTION_ADDITIONAL;
else
tkeysection = DNS_SECTION_ANSWER;
if (sectionid != tkeysection)
if (sectionid != tkeysection &&
sectionid != DNS_SECTION_ANSWER)
DO_FORMERR;
}