More UNALIGNED_MEM{CPY,CMP} on IP addresses.

[tcpdump] / print-enc.c

diff --git a/print-enc.c b/print-enc.c
index 5c01f3ef7b6142c39e59028141857ba310252851..e187de714529c815049c2d98812994767f3c7102 100644 (file)
--- a/print-enc.c
+++ b/print-enc.c
@@ -21,11 +21,6 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
-#ifndef lint
-static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-enc.c,v 1.6 2008-11-18 07:35:32 guy Exp $ (LBL)";
-#endif
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -38,7 +33,52 @@ static const char rcsid[] _U_ =
 #include "extract.h"
 #include "addrtoname.h"
 
-#include "enc.h"
+/* From $OpenBSD: if_enc.h,v 1.8 2001/06/25 05:14:00 angelos Exp $ */
+/*
+ * The authors of this code are John Ioannidis ([email protected]),
+ * Angelos D. Keromytis ([email protected]) and 
+ * Niels Provos ([email protected]).
+ *
+ * This code was written by John Ioannidis for BSD/OS in Athens, Greece, 
+ * in November 1995.
+ *
+ * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
+ * by Angelos D. Keromytis.
+ *
+ * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
+ * and Niels Provos.
+ *
+ * Copyright (C) 1995, 1996, 1997, 1998 by John Ioannidis, Angelos D. Keromytis
+ * and Niels Provos.
+ * Copyright (c) 2001, Angelos D. Keromytis.
+ *
+ * Permission to use, copy, and modify this software with or without fee
+ * is hereby granted, provided that this entire notice is included in
+ * all copies of any software which is or includes a copy or
+ * modification of this software. 
+ * You may use this code under the GNU public license if you so wish. Please
+ * contribute changes back to the authors under this freer than GPL license
+ * so that we may further the use of strong encryption without limitations to
+ * all.
+ *
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
+ * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
+ * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
+ * PURPOSE.
+ */
+
+#define ENC_HDRLEN     12
+
+/* From $OpenBSD: mbuf.h,v 1.56 2002/01/25 15:50:23 art Exp $  */
+#define M_CONF         0x0400  /* packet was encrypted (ESP-transport) */
+#define M_AUTH         0x0800  /* packet was authenticated (AH) */
+
+struct enchdr {
+       u_int32_t af;
+       u_int32_t spi;
+       u_int32_t flags;
+};
 
 #define ENC_PRINT_TYPE(wh, xf, nam) \
        if ((wh) & (xf)) { \
@@ -73,7 +113,7 @@ enc_if_print(const struct pcap_pkthdr *h, register const u_char *p)
        length -= ENC_HDRLEN;
        caplen -= ENC_HDRLEN;
        p += ENC_HDRLEN;
-       
+
        switch (hdr->af) {
        case AF_INET:
                ip_print(gndo, p, length);