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 c95569d..0000000
--- a/citadel/locate_host.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * $Id$
- *
- * locate the originating host
- *
- */
-
-#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>
-#include "citadel.h"
-#include "server.h"
-#include "serv_extensions.h"
-#include "locate_host.h"
-#include "sysdep_decls.h"
-#include "config.h"
-#include "tools.h"
-#include "domain.h"
-
-void locate_host(char *tbuf, size_t n, const struct in_addr *addr)
-{
-       struct hostent *ch;
-       const char *i;
-       char *j;
-       int a1, a2, a3, a4;
-
-       lprintf(9, "locate_host() called\n");
-
-#ifdef HAVE_NONREENTRANT_NETDB
-       begin_critical_section(S_NETDB);
-#endif
-
-       if ((ch = gethostbyaddr((const char *) addr, sizeof(*addr), AF_INET)) ==
-           NULL) {
-             bad_dns:
-               i = (const char *) addr;
-               a1 = ((*i++) & 0xff);
-               a2 = ((*i++) & 0xff);
-               a3 = ((*i++) & 0xff);
-               a4 = ((*i++) & 0xff);
-               snprintf(tbuf, n, "%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 */
-       j = strdoop(ch->h_name);
-       ch = gethostbyname(j);
-       phree(j);
-       if (ch == NULL)
-               goto bad_dns;
-
-       /* check address for consistency */
-       for (; *ch->h_addr_list; ch->h_addr_list++)
-               if (!memcmp(*ch->h_addr_list, addr,
-                           sizeof *addr)) {
-                       safestrncpy(tbuf, ch->h_name, 63);
-                       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[63] = 0;
-       lprintf(9, "locate_host() exiting\n");
-}
-
-
-/*
- * Check to see if a host is on some sort of spam list (RBL)
- * If spammer, returns nonzero and places reason in 'message_to_spammer'
- */
-int rbl_check_addr(struct in_addr *addr, char *message_to_spammer)
-{
-       const char *i;
-       int a1, a2, a3, a4;
-       char tbuf[SIZ];
-       int rbl;
-       int num_rbl;
-       char rbl_domains[SIZ];
-
-       strcpy(message_to_spammer, "ok");
-
-       i = (const char *) addr;
-       a1 = ((*i++) & 0xff);
-       a2 = ((*i++) & 0xff);
-       a3 = ((*i++) & 0xff);
-       a4 = ((*i++) & 0xff);
-
-       /* See if we have any RBL domains configured */
-       num_rbl = get_hosts(rbl_domains, "rbl");
-       if (num_rbl < 1) return(0);
-
-       /* Try all configured RBL's */
-        for (rbl=0; rbl<num_rbl; ++rbl) {
-               snprintf(tbuf, sizeof tbuf,
-                       "%d.%d.%d.%d.",
-                       a4, a3, a2, a1);
-                extract(&tbuf[strlen(tbuf)], rbl_domains, rbl);
-
-               if (gethostbyname(tbuf) != NULL) {
-                       strcpy(message_to_spammer,
-                               "5.7.1 Message rejected due to "
-                               "known spammer source IP address"
-                       );
-                       return(1);
-               }
-       }
-
-       return(0);
-}
-                       
-
-/*
- * Check to see if the client host is on some sort of spam list (RBL)
- * If spammer, returns nonzero and places reason in 'message_to_spammer'
- */
-int rbl_check(char *message_to_spammer) {
-       struct sockaddr_in sin;
-       int len;        /* should be socklen_t but doesn't work on Macintosh */
-
-       if (!getpeername(CC->client_socket, (struct sockaddr *) &sin, &len)) {
-               return(rbl_check_addr(&sin.sin_addr, message_to_spammer));
-       }
-       return(0);
-}