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dns_client: bootstrap dns: fail when domain not found.

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This commit is contained in:
Nick Peng
2023-02-11 15:15:06 +08:00
parent a6d6781a2a
commit 4941594182
1 changed files with 12 additions and 0 deletions
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12
src/dns_client.c
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@@ -152,6 +152,8 @@ struct dns_server_pending {
unsigned int has_v6;
unsigned int query_v4;
unsigned int query_v6;
unsigned int has_soa;
/* server type */
dns_server_type_t type;
int retry_cnt;
@@ -3614,6 +3616,10 @@ static int _dns_client_pending_server_resolve(const char *domain, dns_rtcode_t r
struct dns_server_pending *pending = user_ptr;
int ret = 0;
if (rtcode == DNS_RC_NXDOMAIN) {
pending->has_soa = 1;
}
if (addr_type == DNS_T_A) {
pending->ping_time_v4 = -1;
if (rtcode == DNS_RC_NOERROR) {
@@ -3748,6 +3754,12 @@ static void _dns_client_add_pending_servers(void)
dnsserver_ip = pending->ipv6;
}
if (pending->has_soa) {
tlog(TLOG_WARN, "add pending DNS server %s failed, no such host.", pending->host);
_dns_client_server_pending_remove(pending);
continue;
}
if (dnsserver_ip && dnsserver_ip[0]) {
if (_dns_client_add_pendings(pending, dnsserver_ip) == 0) {
add_success = 1;