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dns_server: support query smartdns server ip

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This commit is contained in:
Nick Peng
2022-05-21 02:18:44 +08:00
parent dae263444f
commit 94b84cd32c
5 changed files with 238 additions and 48 deletions
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35
src/dns_conf.c
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@@ -1749,6 +1749,10 @@ int dns_server_check_update_hosts(void)
struct stat statbuf;
time_t now;
if (dns_conf_dnsmasq_lease_file[0] == '\0') {
return -1;
}
if (stat(dns_conf_dnsmasq_lease_file, &statbuf) != 0) {
return -1;
}
@@ -1798,6 +1802,35 @@ static int _config_log_level(void *data, int argc, char *argv[])
return 0;
}
static void _config_setup_smartdns_domain(void)
{
char hostname[DNS_MAX_CNAME_LEN];
/* get local host name */
if (getdomainname(hostname, DNS_MAX_CNAME_LEN) != 0) {
gethostname(hostname, DNS_MAX_CNAME_LEN);
}
/* get host name again */
if (strncmp(hostname, "(none)", DNS_MAX_CNAME_LEN) == 0) {
gethostname(hostname, DNS_MAX_CNAME_LEN);
}
/* if hostname is (none), return smartdns */
if (strncmp(hostname, "(none)", DNS_MAX_CNAME_LEN) == 0) {
safe_strncpy(hostname, "smartdns", DNS_MAX_CNAME_LEN);
}
if (hostname[0] != '\0') {
_config_domain_rule_flag_set(hostname, DOMAIN_FLAG_SMARTDNS_DOMAIN, 0);
}
if (dns_conf_server_name[0] != '\0') {
_config_domain_rule_flag_set(dns_conf_server_name, DOMAIN_FLAG_SMARTDNS_DOMAIN, 0);
}
_config_domain_rule_flag_set("smartdns", DOMAIN_FLAG_SMARTDNS_DOMAIN, 0);
}
static struct config_item _config_item[] = {
CONF_STRING("server-name", (char *)dns_conf_server_name, DNS_MAX_SERVER_NAME_LEN),
CONF_CUSTOM("bind", _config_bind_ip_udp, NULL),
@@ -1918,6 +1951,8 @@ static int _dns_server_load_conf_init(void)
hash_init(dns_hosts_table.hosts);
hash_init(dns_ptr_table.ptr);
_config_setup_smartdns_domain();
return 0;
}