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client: avoid retry query storm

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This commit is contained in:
Nick Peng
2022-04-09 11:12:00 +08:00
parent 92af4c05c0
commit 23e9021d30
2 changed files with 20 additions and 8 deletions
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12
src/dns.c
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@@ -836,15 +836,15 @@ int dns_get_SOA(struct dns_rrs *rrs, char *domain, int maxsize, int *ttl, struct
if (ptr - data + 20 > len) {
return -1;
}
soa->serial = *((unsigned int *)ptr);
memcpy(&soa->serial, ptr, 4);
ptr += 4;
soa->refresh = *((unsigned int *)ptr);
memcpy(&soa->refresh, ptr, 4);
ptr += 4;
soa->retry = *((unsigned int *)ptr);
memcpy(&soa->retry, ptr, 4);
ptr += 4;
soa->expire = *((unsigned int *)ptr);
memcpy(&soa->expire, ptr, 4);
ptr += 4;
soa->minimum = *((unsigned int *)ptr);
memcpy(&soa->minimum, ptr, 4);
ptr += 4;
return 0;
@@ -1537,7 +1537,7 @@ static int _dns_encode_opts(struct dns_packet *packet, struct dns_context *conte
return 0;
}
static int _dns_decode_opt(struct dns_context *context, dns_rr_type type, unsigned int ttl, int rr_len)
static int __attribute__((unused)) _dns_decode_opt(struct dns_context *context, dns_rr_type type, unsigned int ttl, int rr_len)
{
unsigned short opt_code;
unsigned short opt_len;