move ipsec tools into .

1 files changed, 117 insertions, 0 deletions

diff --git a/sbin/photurisd/handle_bad_cookie.c b/sbin/photurisd/handle_bad_cookie.c
new file mode 100644
index 00000000000..db801d0c245
--- /dev/null
+++ b/sbin/photurisd/handle_bad_cookie.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Niels Provos.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/*
+ * handle_bad_cookie:
+ * receive a BAD_COOKIE packet; return -1 on failure, 0 on success
+ *
+ */
+
+#ifndef lint
+static char rcsid[] = "$Id: handle_bad_cookie.c,v 1.1 1998/11/14 23:37:23 deraadt Exp $";
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <sys/time.h>
+#include "config.h"
+#include "photuris.h"
+#include "packets.h"
+#include "state.h"
+#include "cookie.h"
+#include "buffer.h"
+#include "packet.h"
+#include "schedule.h"
+#include "errlog.h"
+#include "server.h"
+#include "packet.h"
+#include "api.h"
+
+int
+handle_bad_cookie(u_char *packet, int size, char *address)
+{
+	struct error_message *header;
+	struct stateob *st, *newst;
+
+	if (size != ERROR_MESSAGE_PACKET_SIZE)
+	     return -1;	/* packet too small/big  */
+
+	header = (struct error_message *) packet;
+
+	if ((st = state_find_cookies(address, header->icookie, 
+				     header->rcookie)) == NULL) {
+	     log_error(0, "No state for BAD_COOKIE message from %s", 
+		       address);
+	     return -1;
+	}
+
+	if ((st->retries < max_retries && 
+	     (st->phase == VALUE_REQUEST || st->phase == IDENTITY_REQUEST)) ||
+	     (st->phase != VALUE_REQUEST && st->phase != IDENTITY_REQUEST &&
+	      st->phase != SPI_NEEDED && st->phase != SPI_UPDATE)) {
+	     log_error(0, "Ignored BAD_COOKIE message from %s", address); 
+	     
+	     return 0;                 /* Nothing needs to be done */
+	}
+
+	if (st->phase == SPI_UPDATE) {
+	     st->lifetime = time(NULL);
+
+	     log_error(0, "Expired exchange on BAD_COOKIE from %s",
+		       address);
+	     return 0;
+	}
+
+	schedule_remove(TIMEOUT, st->icookie);
+	state_unlink(st);
+
+        /* Set up a new state object */
+        if ((newst = state_new()) == NULL) {
+             log_error(1, "state_new() in handle_bad_cookie()");
+             return -1;
+        }
+
+	newst->flags = st->flags;
+	if (st->user != NULL)
+	     newst->user = strdup(st->user);
+
+	state_value_reset(st);
+
+	if (start_exchange(global_socket, newst, address, global_port) == -1) {
+	     log_error(0, "start_exchange() in handle_bad_cookie()");
+	     state_value_reset(st);
+	     return -1;
+	}
+
+        state_insert(newst);
+
+	return 0;
+}