daxi20/smartdns
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update

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This commit is contained in:
Nick Peng
2018-05-13 02:17:06 +08:00
parent 7ea212f03a
commit 092e5fff71
3 changed files with 402 additions and 350 deletions
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21
dns_server.c
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@@ -46,6 +46,7 @@ static void tv_sub(struct timeval *out, struct timeval *in)
void _dns_server_period_run()
{
return;
unsigned char packet_data[DNS_INPACKET_SIZE];
unsigned char data[DNS_INPACKET_SIZE];
@@ -93,13 +94,19 @@ static int _dns_server_process(struct timeval *now)
goto errout;
}
dns_decode(packet, DNS_INPACKET_SIZE, inpacket, len);
len = dns_decode(packet, DNS_INPACKET_SIZE, inpacket, len);
if (len) {
printf("decode failed.\n");
goto errout;
}
int count;
struct dns_rrs *rrs;
char name[128];
int i = 0;
int ttl;
int qtype;
int qclass;
rrs = dns_get_rrs_start(packet, DNS_RRS_AN, &count);
for (i = 0; i < count && rrs; i++, rrs = dns_get_rrs_next(packet, rrs)) {
@@ -114,6 +121,18 @@ static int _dns_server_process(struct timeval *now)
}
}
rrs = dns_get_rrs_start(packet, DNS_RRS_QD, &count);
for (i = 0; i < count && rrs; i++, rrs = dns_get_rrs_next(packet, rrs)) {
switch (rrs->type) {
case DNS_T_CNAME: {
dns_get_domain(rrs, name, 128, &qtype, &qclass);
printf("domain: %s qtype: %d qclass: %d\n", name, qtype, qclass);
} break;
default:
break;
}
}
return 0;
errout:
return -1;