3 * Given a socket, supply the name of the host at the other end.
5 * Copyright (c) 1996-2012 by the citadel.org team
7 * This program is open source software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License, version 3.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
17 #include "webserver.h"
20 * IPv4/IPv6 locate_host()
22 void locate_host(StrBuf * tbuf, int client_socket) {
23 struct sockaddr_in6 clientaddr;
24 unsigned int addrlen = sizeof(clientaddr);
25 char clienthost[NI_MAXHOST] = "";
27 getpeername(client_socket, (struct sockaddr *) &clientaddr, &addrlen);
28 getnameinfo((struct sockaddr *) &clientaddr, addrlen, clienthost, sizeof(clienthost), NULL, 0, 0);
29 StrBufAppendBufPlain(tbuf, clienthost, -1, 0);
30 syslog(LOG_DEBUG, "Client is at %s\n", clienthost);