1 /* ircd_auth.c - NextIRCd
2 * Copyright (C) 2012-2013 Philipp Kreil (pk910)
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #include "ircd_auth.h"
20 #include "struct_auth.h"
21 #include "struct_connection.h"
22 #include "ircd_client.h"
23 #include "IOHandler/IOSockets.h"
24 #include "IOHandler/IODNSLookup.h"
27 static void auth_start_dnsreverse(struct Auth *auth);
28 static IODNS_CALLBACK(auth_dns_callback);
29 static void auth_free(struct Auth *auth);
31 static struct Auth *authlist_first = NULL;
32 static struct Auth *authlist_last = NULL;
34 struct Auth *auth_new(struct Connection *conn) {
35 struct Auth *auth = calloc(1, sizeof(*auth));
36 socket_printf(conn, "NOTICE AUTH :*** NextIRCd v%d.%d (%s)", VERSION_NUMBER, patchlevel, revision);
39 time(&auth->startup_time);
41 auth->prev = authlist_last;
44 authlist_first = auth;
47 auth_start_dnsreverse(auth);
52 static void auth_start_dnsreverse(struct Auth *auth) {
53 socket_printf(auth->conn, "NOTICE AUTH :*** Looking up your hostname");
55 struct IODNSAddress *sockaddr;
56 sockaddr = iosocket_get_remote_addr(auth->conn->socket);
58 auth->dnslookup = iodns_getnameinfo(sockaddr->address, sockaddr->addresslen, auth_dns_callback, auth);
64 static IODNS_CALLBACK(auth_dns_callback) {
65 struct Auth *auth = event->query->data;
66 struct IODNSResult *dnsresult = event->result;
68 auth->dnslookup = NULL;
70 if(event->type == IODNSEVENT_SUCCESS) {
71 strncpy(auth->host, dnsresult->result.host, HOSTLEN);
72 socket_printf(auth->conn, "NOTICE AUTH :*** Found your hostname (%s)", auth->host);
74 struct IODNSAddress *sockaddr = iosocket_get_remote_addr(auth->conn->socket);
75 iodns_print_address(sockaddr, auth->conn->socket->ipv6, auth->host, HOSTLEN);
76 socket_printf(auth->conn, "NOTICE AUTH :*** Couldn't look up your hostname. Using your IP instead (%s)", auth->host);
79 iodns_free_result(dnsresult);
81 auth_try_finish(auth);
85 void auth_try_finish(struct Auth *auth) {
89 if(!auth->have_nick || !auth->have_user)
91 if(!auth->sent_ping) {
94 } else if(auth->have_pong && auth->have_dnsresolv) {
95 struct Client *client = client_connected(auth);
96 auth->conn->authed = 1;
97 auth->conn->data.client = client;
103 void auth_abort(struct Auth *auth) {
107 static void auth_free(struct Auth *auth) {
108 if(auth->dnslookup) {