daxi20/smartdns
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Receive DNS packet with IP-TTL.

Browse Source
This commit is contained in:
Nick Peng
2018-12-22 23:52:53 +08:00
parent 1edb286a82
commit 11552f906f
9 changed files with 158 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/dns_conf.c
View File

@@ -55,10 +55,12 @@ int config_server(int argc, char *argv[], dns_server_type_t type, int default_po
char *ip = NULL;
int opt = 0;
int result_flag = 0;
int ttl = 0;
/* clang-format off */
static struct option long_options[] = {
{"blacklist-ip", 0, 0, 'b'},
{"check-edns", 0, 0, 'e'},
{"check-ttl", required_argument, 0, 't'},
{0, 0, 0, 0}
};
/* clang-format on */
@@ -84,6 +86,18 @@ int config_server(int argc, char *argv[], dns_server_type_t type, int default_po
result_flag |= DNSSERVER_FLAG_CHECK_EDNS;
break;
}
case 't': {
if (DNS_SERVER_UDP != type) {
break;
}
ttl = atoi(optarg);
if (ttl < 0 || ttl > 255) {
tlog(TLOG_ERROR, "ttl value is invalid.");
return -1;
}
result_flag |= DNSSERVER_FLAG_CHECK_TTL;
}
}
}
@@ -106,8 +120,9 @@ int config_server(int argc, char *argv[], dns_server_type_t type, int default_po
server->type = type;
server->port = port;
server->result_flag = result_flag;
server->ttl = ttl;
dns_conf_server_num++;
tlog(TLOG_DEBUG, "add server %s, flag: %X", ip, result_flag);
tlog(TLOG_DEBUG, "add server %s, flag: %X, ttl: %d", ip, result_flag, ttl);
return 0;
}