move ipsec tools into .

1 files changed, 99 insertions, 0 deletions

diff --git a/sbin/photurisd/photuris_cookie_request.c b/sbin/photurisd/photuris_cookie_request.c
new file mode 100644
index 00000000000..41038583ab1
--- /dev/null
+++ b/sbin/photurisd/photuris_cookie_request.c
@@ -0,0 +1,99 @@
+/*
+ * 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.
+ */
+/*
+ * photuris_cookie_request:
+ * create a COOKIE_REQUEST packet; return -1 on failure, 0 on success
+ *
+ */
+
+#ifndef lint
+static char rcsid[] = "$Id: photuris_cookie_request.c,v 1.1 1998/11/14 23:37:26 deraadt Exp $";
+#endif
+
+#include <stdio.h>
+#include <string.h> /* XXX - get header files right */
+#include <strings.h>
+#include <time.h>
+#include <sys/time.h>
+#include "config.h"
+#include "photuris.h"
+#include "packets.h"
+#include "state.h"
+#include "cookie.h"
+
+int
+photuris_cookie_request(struct stateob *st, u_char *buffer, int *size)
+{
+	struct cookie_request *header;
+	struct stateob *prev_st, *old_st;
+	time_t timeout = 0;
+
+	if (*size < COOKIE_REQUEST_PACKET_SIZE)
+	     return -1;	/* buffer not large enough */
+
+	header = (struct cookie_request *) buffer;
+	*size = COOKIE_REQUEST_PACKET_SIZE;	/* fixed size */
+	
+	if (st->counter == 0) {
+	     prev_st = state_find(st->address);
+	     old_st = NULL;
+	     while (prev_st != NULL) {
+		  if (prev_st->lifetime >= timeout) {
+		       timeout = prev_st->lifetime;
+		       old_st = prev_st;
+		  }
+		  prev_st = prev_st->next;
+	     }
+	     
+	     /* Check if we have an exchange going already */
+	     if (old_st != NULL && old_st != st && timeout > time(NULL)) {
+		  if (old_st->initiator) {
+		       bcopy(old_st->rcookie, st->rcookie, COOKIE_SIZE);
+		       st->counter = old_st->counter;
+		  } else {
+		       bcopy(old_st->icookie, st->rcookie, COOKIE_SIZE);
+		       st->counter = 0;
+		  }
+	     }
+	}
+
+	cookie_generate(st, st->icookie, COOKIE_SIZE, NULL, 0);
+	st->phase = COOKIE_REQUEST;
+	st->lifetime = exchange_timeout + time(NULL);
+
+	bcopy(st->icookie, header->icookie, COOKIE_SIZE);
+	bcopy(st->rcookie, header->rcookie, COOKIE_SIZE);
+
+	header->counter = st->counter;		/* set to zero or prev. */
+
+	header->type = COOKIE_REQUEST;
+
+	return 0;
+}