* OSPF alignment fixes (Gerald)

* FDDI support (Laurent, Guy)


git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@36 f5534014-38df-0310-8fa8-9805f1628bb7

1 files changed, 136 insertions, 0 deletions

diff --git a/packet-fddi.c b/packet-fddi.c
new file mode 100644
index 0000000000..9f8ef7f4bb
--- /dev/null
+++ b/packet-fddi.c
@@ -0,0 +1,136 @@
+/* packet-fddi.c
+ * Routines for FDDI packet disassembly
+ *
+ * Laurent Deniel <deniel@worldnet.fr>
+ *
+ * $Id: packet-fddi.c,v 1.1 1998/10/10 03:32:11 gerald Exp $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@zing.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#include <gtk/gtk.h>
+
+#include <stdio.h>
+
+#include <pcap.h>
+
+#include "ethereal.h"
+#include "packet.h"
+#include "resolv.h"
+
+/* FDDI Frame Control values */
+
+#define FDDI_FC_VOID		0x00		/* Void frame */
+#define FDDI_FC_NRT		0x80		/* Nonrestricted token */
+#define FDDI_FC_RT		0xc0		/* Restricted token */
+#define FDDI_FC_MAC		0xc0		/* MAC frame */
+#define FDDI_FC_SMT		0x40		/* SMT frame */
+#define FDDI_FC_SMT_INFO	0x41		/* SMT Info */
+#define FDDI_FC_SMT_NSA		0x4F		/* SMT Next station adrs */
+#define FDDI_FC_SMT_MIN		FDDI_FC_SMT_INFO
+#define FDDI_FC_SMT_MAX		FDDI_FC_SMT_NSA
+#define FDDI_FC_MAC_MIN		0xc1
+#define FDDI_FC_MAC_BEACON	0xc2		/* MAC Beacon frame */
+#define FDDI_FC_MAC_CLAIM	0xc3		/* MAC Claim frame */
+#define FDDI_FC_MAC_MAX		0xcf
+#define FDDI_FC_LLC_ASYNC	0x50		/* Async. LLC frame */
+#define FDDI_FC_LLC_ASYNC_MIN	FDDI_FC_LLC_ASYNC
+#define FDDI_FC_LLC_ASYNC_DEF	0x54
+#define FDDI_FC_LLC_ASYNC_MAX	0x5f
+#define FDDI_FC_LLC_SYNC	0xd0		/* Sync. LLC frame */
+#define FDDI_FC_LLC_SYNC_MIN	FDDI_FC_LLC_SYNC
+#define FDDI_FC_LLC_SYNC_MAX	0xd7
+#define FDDI_FC_IMP_ASYNC	0x60		/* Implementor Async. */
+#define FDDI_FC_IMP_ASYNC_MIN	FDDI_FC_IMP_ASYNC
+#define FDDI_FC_IMP_ASYNC_MAX	0x6f
+#define FDDI_FC_IMP_SYNC	0xe0		/* Implementor Synch. */
+
+#define FDDI_HEADER_SIZE	13
+
+/* field positions */
+
+#define FDDI_P_FC		0
+#define FDDI_P_DHOST		1
+#define FDDI_P_SHOST		7
+
+void dissect_fddi(const u_char *pd, frame_data *fd, GtkTree *tree) 
+{
+
+  int        offset = 0, fc;
+  GtkWidget *fh_tree, *ti;
+
+  if (fd->cap_len < FDDI_HEADER_SIZE) {
+    dissect_data(pd, offset, fd, tree);
+    return;
+  }
+
+  fc = (int) pd[FDDI_P_FC];
+
+  if (fd->win_info[0]) {
+    strcpy(fd->win_info[2], get_ether_name((u_char *)&pd[FDDI_P_DHOST]));
+    strcpy(fd->win_info[1], get_ether_name((u_char *)&pd[FDDI_P_SHOST]));
+    strcpy(fd->win_info[4], "FDDI");
+  }
+
+  if (tree) {
+    ti = add_item_to_tree(GTK_WIDGET(tree), 0, offset,
+			  "FDDI %s (%d on wire, %d captured)",
+			  (fc == FDDI_FC_LLC_ASYNC_DEF || fc == FDDI_FC_LLC_ASYNC) ?
+			  "Async LLC" : "unsupported FC",
+			  fd->pkt_len, fd->cap_len);
+
+      fh_tree = gtk_tree_new();
+      add_subtree(ti, fh_tree, ETT_FDDI);
+      add_item_to_tree(fh_tree, FDDI_P_FC, 1, "Frame Control: 0x%02x", fc);
+      add_item_to_tree(fh_tree, FDDI_P_DHOST, 6, "Destination: %s (%s)",
+		       ether_to_str((guint8 *) &pd[FDDI_P_DHOST]),
+		       get_ether_name((u_char *) &pd[FDDI_P_DHOST]));
+      add_item_to_tree(fh_tree, FDDI_P_SHOST, 6, "Source: %s (%s)",
+		       ether_to_str((guint8 *) &pd[FDDI_P_SHOST]),
+		       get_ether_name((u_char *)&pd[FDDI_P_SHOST]));
+    }
+
+  offset = FDDI_HEADER_SIZE;
+
+  switch (fc) {
+
+    /* From now, only 802.2 SNAP (Async. LCC frame) is supported */
+
+    case FDDI_FC_LLC_ASYNC     :
+    case FDDI_FC_LLC_ASYNC_DEF :
+      dissect_llc(pd, offset, fd, tree);
+      return;
+      
+    default :
+      dissect_data(pd, offset, fd, tree);
+      return;
+
+  } /* fc */
+
+} /* dissect_fddi */
+