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AD bit in queries handled as RFC6840 p5.7

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This commit is contained in:
Simon Kelley
2014-02-06 18:14:09 +00:00
parent da4f372271
commit e243c072b5
2 changed files with 10 additions and 13 deletions
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17
src/rfc1035.c
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@@ -1468,7 +1468,7 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
struct mx_srv_record *rec;
size_t len;
/* Don't return AD set even for local data if checking disabled. */
/* Don't return AD set if checking disabled. */
if (header->hb4 & HB4_CD)
sec_data = 0;
@@ -2260,17 +2260,20 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
header->ancount = htons(anscount);
header->nscount = htons(0);
header->arcount = htons(addncount);
/* RFC 6840 5.7 */
if (header->hb4 & HB4_AD)
sec_reqd = 1;
header->hb4 &= ~HB4_AD;
len = ansp - (unsigned char *)header;
if (have_pseudoheader)
{
len = add_pseudoheader(header, len, (unsigned char *)limit, 0, NULL, 0, sec_reqd);
if (sec_reqd && sec_data)
header->hb4 |= HB4_AD;
}
len = add_pseudoheader(header, len, (unsigned char *)limit, 0, NULL, 0, sec_reqd);
if (sec_reqd && sec_data)
header->hb4 |= HB4_AD;
return len;
}