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dns_server: fix edns subnet not working issue.

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This commit is contained in:
Nick Peng
2023-07-11 23:30:39 +08:00
parent c2b072b523
commit 7ff6ae3ea0
4 changed files with 176 additions and 20 deletions
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16
src/dns.c
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@@ -875,6 +875,22 @@ int dns_get_PTR(struct dns_rrs *rrs, char *domain, int maxsize, int *ttl, char *
return _dns_get_RAW(rrs, domain, maxsize, ttl, cname, &len);
}
int dns_add_TXT(struct dns_packet *packet, dns_rr_type type, const char *domain, int ttl, const char *text)
{
int rr_len = strnlen(text, DNS_MAX_CNAME_LEN);
char data[DNS_MAX_CNAME_LEN];
data[0] = rr_len;
rr_len++;
memcpy(data + 1, text, rr_len);
data[rr_len] = 0;
return _dns_add_RAW(packet, type, DNS_T_TXT, domain, ttl, data, rr_len);
}
int dns_get_TXT(struct dns_rrs *rrs, char *domain, int maxsize, int *ttl, char *text, int txt_size)
{
return -1;
}
int dns_add_NS(struct dns_packet *packet, dns_rr_type type, const char *domain, int ttl, const char *cname)
{
int rr_len = strnlen(cname, DNS_MAX_CNAME_LEN) + 1;