fix dlen
[citadel.git] / citadel / locate_host.c
diff --git a/citadel/locate_host.c b/citadel/locate_host.c
deleted file mode 100644 (file)
index a18d6e9..0000000
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * locate the originating host
- * $Id$
- */
-
-#include "sysdep.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <limits.h>
-#include <netdb.h>
-#include <string.h>
-#ifdef HAVE_PTHREAD_H
-#include <pthread.h>
-#endif
-#include "citadel.h"
-#include "server.h"
-#include "locate_host.h"
-#include "config.h"
-
-void locate_host(char *tbuf)
-{
-       struct sockaddr_in cs;
-       struct hostent *ch, *ch2;
-       int len;
-       char *i;
-       int a1, a2, a3, a4;
-
-       len = sizeof(cs);
-       if (getpeername(CC->client_socket, (struct sockaddr *) &cs, &len) < 0) {
-               strcpy(tbuf, config.c_fqdn);
-               return;
-       }
-#ifdef HAVE_NONREENTRANT_NETDB
-       begin_critical_section(S_NETDB);
-#endif
-
-       if ((ch = gethostbyaddr((char *) &cs.sin_addr, sizeof(cs.sin_addr),
-                               AF_INET)) == NULL) {
-             bad_dns:
-               i = (char *) &cs.sin_addr;
-               a1 = ((*i++) & 0xff);
-               a2 = ((*i++) & 0xff);
-               a3 = ((*i++) & 0xff);
-               a4 = ((*i++) & 0xff);
-               sprintf(tbuf, "%d.%d.%d.%d", a1, a2, a3, a4);
-               goto end;       /* because we might need to end the critical
-                                  section */
-       }
-       /* check if the forward DNS agrees; if not, they're spoofing */
-       if ((ch2 = gethostbyname(ch->h_name)) == NULL)
-               goto bad_dns;
-
-       /* check address for consistency */
-       for (; *ch2->h_addr_list; ch2->h_addr_list++)
-               if (!memcmp(*ch2->h_addr_list, &cs.sin_addr,
-                           sizeof cs.sin_addr)) {
-                       strncpy(tbuf, ch->h_name, 24);
-                       goto end;
-               }
-       goto bad_dns;           /* they were spoofing. report a numeric IP
-                                  address. */
-
-      end:
-
-#ifdef HAVE_NONREENTRANT_NETDB
-       end_critical_section(S_NETDB);
-#endif
-
-       tbuf[24] = 0;
-}