* Copied in the correct GNU license (I'm such a goober)

* Hacks to the filter interface (Gerald)
* About box (Laurent)
* AppleTalk support (Simon)
* Mods to the match_strval routine (Gerald)

svn path=/trunk/; revision=61

1 files changed, 122 insertions, 0 deletions

diff --git a/packet-atalk.c b/packet-atalk.c
new file mode 100644
index 0000000000..c3589701ad
--- /dev/null
+++ b/packet-atalk.c
@@ -0,0 +1,122 @@
+/* packet-ddp.c
+ * Routines for DDP packet disassembly.
+ *
+ * Simon Wilkinson <sxw@dcs.ed.ac.uk>
+ *
+ * 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
+
+#include <gtk/gtk.h>
+#include <pcap.h>
+
+#include <stdio.h>
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+
+#include "ethereal.h"
+#include "packet.h"
+#include "etypes.h"
+#include "resolv.h"
+
+extern packet_info pi;
+
+typedef struct _e_ddp {
+#if BYTE_ORDER == BIG_ENDIAN
+  guint16	pad:2,hops:4,len:10;
+#else
+  guint16	len:10,hops:4,pad:2;
+#endif
+  guint16	sum,dnet,snet;
+  guint8	dnode,snode;
+  guint8	dport,sport;
+  guint8	type;
+} e_ddp;
+
+#define DDP_RTMPDATA	0x01
+#define DDP_NBP		0x02
+#define DDP_ATP		0x03
+#define DDP_AEP		0x04
+#define DDP_RTMPREQ	0x05
+#define DDP_ZIP		0x06
+#define DDP_ADSP	0x07
+
+void
+dissect_ddp(const u_char *pd, int offset, frame_data *fd, GtkTree *tree) {
+  e_ddp       ddp;
+  GtkWidget *ddp_tree, *ti;
+  value_string op_vals[] = { {DDP_RTMPDATA, "AppleTalk Routing Table response or data" },
+  			     {DDP_NBP, "AppleTalk Name Binding Protocol packet"},
+  			     {DDP_ATP, "AppleTalk Transaction Protocol packet"},
+  			     {DDP_AEP, "AppleTalk Echo Protocol packet"},
+  			     {DDP_RTMPREQ, "AppleTalk Routing Table request"},
+  			     {DDP_ZIP, "AppleTalk Zone Information Protocol packet"},
+  			     {DDP_ADSP, "AppleTalk Data Stream Protocol"},
+                             {0, NULL} };
+
+  memcpy(&ddp, &pd[offset], sizeof(e_ddp));
+  ddp.dnet=ntohs(ddp.dnet);
+  ddp.snet=ntohs(ddp.snet);
+  ddp.sum=ntohs(ddp.sum);
+  
+  if (fd->win_info[COL_NUM]) {
+    strcpy(fd->win_info[COL_PROTOCOL], "DDP");
+    switch (ddp.type) {
+      case DDP_RTMPDATA:
+      case DDP_RTMPREQ:
+      case DDP_NBP:
+      case DDP_ATP:
+      case DDP_AEP:
+      case DDP_ZIP:
+      case DDP_ADSP:
+        strcpy(fd->win_info[COL_INFO], match_strval(ddp.type,op_vals));
+        break;
+      default:
+        sprintf(fd->win_info[COL_INFO], "Unknown DDP protocol (%02x)", ddp.type);
+    }
+
+    sprintf(fd->win_info[COL_SOURCE],"%d.%d:%d",ddp.snet,ddp.snode,ddp.sport);
+    sprintf(fd->win_info[COL_DESTINATION], "%d.%d:%d",ddp.dnet,ddp.dnode,ddp.dport);
+  }
+  
+  if (tree) {
+    ti = add_item_to_tree(GTK_WIDGET(tree), offset, 13,
+      "Datagram Delivery Protocol");
+    ddp_tree = gtk_tree_new();
+    add_subtree(ti, ddp_tree, ETT_IP);
+    add_item_to_tree(ddp_tree, offset,      1, "Hop count: %d", ddp.hops);
+    add_item_to_tree(ddp_tree, offset,	    2, "Datagram length: %d", ddp.len);
+    add_item_to_tree(ddp_tree, offset + 2,  2, "Checksum: %d",ddp.sum);
+    add_item_to_tree(ddp_tree, offset + 4,  2, "Destination Net: %d",ddp.dnet);
+    add_item_to_tree(ddp_tree, offset + 6,  2, "Source Net: %d",ddp.snet);
+    add_item_to_tree(ddp_tree, offset + 8,  1, "Destination Node: %d",ddp.dnode);
+    add_item_to_tree(ddp_tree, offset + 9,  1, "Source Node: %d",ddp.snode);
+    add_item_to_tree(ddp_tree, offset + 10, 1, "Destination Socket: %d",ddp.dport);
+    add_item_to_tree(ddp_tree, offset + 11, 1, "Source Socket: %d",ddp.sport);
+    add_item_to_tree(ddp_tree, offset + 12, 1, "Type: %d",ddp.type);  
+  }
+
+  offset += 13;
+
+}