MASSIVE merge from V3-RELEASE-BRANCH into HEAD. HEAD and V3-RELEASE are

[thirdparty/dhcp.git] / common / upf.c

diff --git a/common/upf.c b/common/upf.c
index a737d57ab10c748d8edba67e7d180f7e7f6ea67b..3cae8db29eade71f6053b92cd33c286e486a14ee 100644 (file)
--- a/common/upf.c
+++ b/common/upf.c
@@ -3,39 +3,30 @@
    Ultrix PacketFilter interface code. */
 
 /*
- * Copyright (c) 1996-2000 Internet Software Consortium.
- * All rights reserved.
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-2003 by Internet Software Consortium
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
  *
- * 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. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``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 INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS 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.
+ *   Internet Systems Consortium, Inc.
+ *   950 Charter Street
+ *   Redwood City, CA 94063
+ *   <info@isc.org>
+ *   http://www.isc.org/
  *
- * This software has been written for the Internet Software Consortium
+ * This software has been written for Internet Systems Consortium
  * by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
- * To learn more about the Internet Software Consortium, see
+ * To learn more about Internet Systems Consortium, see
  * ``http://www.isc.org/''.  To learn more about Vixie Enterprises,
  * see ``http://www.vix.com''.   To learn more about Nominum, Inc., see
  * ``http://www.nominum.com''.
@@ -43,7 +34,7 @@
 
 #ifndef lint
 static char copyright[] =
-"$Id: upf.c,v 1.21 2000/09/01 23:03:39 mellon Exp $ Copyright (c) 1996-2000 The Internet Software Consortium.  All rights reserved.\n";
+"$Id: upf.c,v 1.22 2005/03/17 20:15:01 dhankins Exp $ Copyright (c) 2004 Internet Systems Consortium.  All rights reserved.\n";
 #endif /* not lint */
 
 #include "dhcpd.h"
@@ -88,11 +79,9 @@ int if_register_upf (info)
 
        /* Open a UPF device */
        for (b = 0; 1; b++) {
-#ifndef NO_SNPRINTF
-               snprintf(filename, sizeof(filename), "/dev/pf/pfilt%d", b);
-#else
+               /* %Audit% Cannot exceed 36 bytes. %2004.06.17,Safe% */
                sprintf(filename, "/dev/pf/pfilt%d", b);
-#endif
+
                sock = open (filename, O_RDWR, 0);
                if (sock < 0) {
                        if (errno == EBUSY) {
@@ -332,7 +321,7 @@ ssize_t receive_packet (interface, buf, len, from, hfrom)
 
        /* Decode the IP and UDP headers... */
        offset = decode_udp_ip_header (interface, ibuf, bufix,
-                                      from, (unsigned char *)0, length);
+                                      from, length);
 
        /* If the IP or UDP checksum was bad, skip the packet... */
        if (offset < 0)