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Initial implementation of RFC-8914 extended DNS errors.

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This commit is contained in:
Simon Kelley
2021-06-26 00:38:01 +01:00
parent 11c52d032b
commit 6261aba026
7 changed files with 259 additions and 83 deletions
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3
src/rfc1035.c
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@@ -1015,7 +1015,7 @@ unsigned int extract_request(struct dns_header *header, size_t qlen, char *name,
return F_QUERY;
}
void setup_reply(struct dns_header *header, unsigned int flags)
void setup_reply(struct dns_header *header, unsigned int flags, int ede)
{
/* clear authoritative and truncated flags, set QR flag */
header->hb3 = (header->hb3 & ~(HB3_AA | HB3_TC )) | HB3_QR;
@@ -1038,6 +1038,7 @@ void setup_reply(struct dns_header *header, unsigned int flags)
{
union all_addr a;
a.log.rcode = REFUSED;
a.log.ede = ede;
log_query(F_CONFIG | F_RCODE, "error", &a, NULL);
SET_RCODE(header, REFUSED);
}