/* packet-vines.c
* Routines for Banyan VINES protocol packet disassembly
*
- * $Id: packet-vines.c,v 1.3 1998/11/12 00:06:39 gram Exp $
+ * $Id: packet-vines.c,v 1.10 1999/11/16 11:43:02 guy Exp $
*
* Don Lafontaine <lafont02@cn.ca>
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
* Copyright 1998 Gerald Combs
+ * Joerg Mayer <jmayer@telemation.de>
*
*
* This program is free software; you can redistribute it and/or
#include "config.h"
-#include <gtk/gtk.h>
-
-#include <stdio.h>
-
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <netinet/in.h>
#endif
-#include "ethereal.h"
+#include <glib.h>
#include "packet.h"
-#include "etypes.h"
#include "packet-vines.h"
-#define VINES_VSPP 2
-#define VINES_DATA 1
+static gint ett_vines = -1;
+static gint ett_vines_frp = -1;
+static gint ett_vines_spp = -1;
+
+/* AFAIK Vines FRP (Fragmentation Protocol) is used on all media except Ethernet
+ * and TR (and probably FDDI) - Fragmentation on these media types is not possible
+ * FIXME: Do we need to use this header with PPP too?
+ */
+
+void
+dissect_vines_frp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
+ guint8 vines_frp_ctrl, vines_frp_seqno;
+ proto_tree *vines_frp_tree;
+ proto_item *ti;
+ gchar frp_flags_str[32];
+
+ /* To do: Check for {cap len,pkt len} < struct len */
+ /* Avoids alignment problems on many architectures. */
+ vines_frp_ctrl = pd[offset];
+ vines_frp_seqno = pd[offset+1];
+
+ if (check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "Vines FRP");
+ /*
+ * 1: first fragment of vines packet
+ * 2: last fragment of vines packet
+ * 4 ... 80: unused
+ */
+ switch (vines_frp_ctrl) {
+ case 0:
+ strcpy(frp_flags_str, "middle");
+ break;
+ case 1:
+ strcpy(frp_flags_str, "first");
+ break;
+ case 2:
+ strcpy(frp_flags_str, "last");
+ break;
+ case 3:
+ strcpy(frp_flags_str, "only");
+ break;
+ default:
+ strcpy(frp_flags_str, "please report: unknown");
+ break;
+ }
+
+ if (tree) {
+ ti = proto_tree_add_text(tree, offset, 2, "Vines Fragmentation Protocol");
+ vines_frp_tree = proto_item_add_subtree(ti, ett_vines_frp);
+ proto_tree_add_text(vines_frp_tree, offset, 1, "Control Flags: 0x%02x = %s fragment", vines_frp_ctrl, frp_flags_str);
+ proto_tree_add_text(vines_frp_tree, offset + 1, 1, "Sequence Number: 0x%02x", vines_frp_seqno);
+ }
+
+ /* Skip over header */
+ offset += 2;
+
+ /* Decode the "real" Vines now */
+ dissect_vines(pd, offset, fd, tree);
+}
+
+gchar *
+vines_addr_to_str(const guint8 *addrp)
+{
+ static gchar str[3][214];
+ static gchar *cur;
+
+ if (cur == &str[0][0]) {
+ cur = &str[1][0];
+ } else if (cur == &str[1][0]) {
+ cur = &str[2][0];
+ } else {
+ cur = &str[0][0];
+ }
+
+ sprintf(cur, "%08x.%04x", pntohl(&addrp[0]), pntohs(&addrp[4]));
+ return cur;
+}
void
-dissect_vines(const u_char *pd, int offset, frame_data *fd, GtkTree *tree)
+dissect_vines(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
{
- e_vip iph;
- GtkWidget *vip_tree, *ti;
+ e_vip viph;
+ proto_tree *vip_tree;
+ proto_item *ti;
/* gchar tos_str[32]; */
+ int is_broadcast = 0;
+ int hops = 0;
/* To do: check for runts, errs, etc. */
/* Avoids alignment problems on many architectures. */
- memcpy(&iph, &pd[offset], sizeof(e_vip));
+ memcpy(&viph, &pd[offset], sizeof(e_vip));
- iph.vip_sum = pntohs(&pd[offset]);
- iph.vip_len = pntohs(&pd[offset+2]);
- iph.vip_dnet = pntohl(&pd[offset+6]);
- iph.vip_snet = pntohl(&pd[offset+12]);
- iph.vip_dsub = pntohs(&pd[offset+10]);
- iph.vip_ssub = pntohs(&pd[offset+16]);
+ viph.vip_chksum = pntohs(&pd[offset]);
+ viph.vip_pktlen = pntohs(&pd[offset+2]);
+ viph.vip_dnet = pntohl(&pd[offset+6]);
+ viph.vip_dsub = pntohs(&pd[offset+10]);
+ viph.vip_snet = pntohl(&pd[offset+12]);
+ viph.vip_ssub = pntohs(&pd[offset+16]);
- if (fd->win_info[COL_NUM])
- {
- switch (iph.vip_proto)
- {
- case VINES_VSPP:
- strcpy(fd->win_info[COL_PROTOCOL], "Vines");
- sprintf(fd->win_info[COL_INFO], "VSPP (%02x)", iph.vip_proto);
- break;
- case VINES_DATA:
- strcpy(fd->win_info[COL_PROTOCOL], "Vines IP");
- sprintf(fd->win_info[COL_INFO], "DATA (%02x)", iph.vip_proto);
- break;
- default:
- strcpy(fd->win_info[COL_PROTOCOL], "Vines IP");
- sprintf(fd->win_info[COL_INFO], "Unknown VIP protocol (%02x)", iph.vip_proto);
- }
-
- sprintf(fd->win_info[COL_SOURCE], "%08x.%04x", iph.vip_snet, iph.vip_ssub);
- sprintf(fd->win_info[COL_DESTINATION], "%08x.%04x", iph.vip_dnet, iph.vip_dsub);
- }
+ switch (viph.vip_proto) {
+ case VIP_PROTO_IPC:
+ if (check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "Vines IPC");
+ if (check_col(fd, COL_INFO))
+ col_add_fstr(fd, COL_INFO, "IPC (%02x)", viph.vip_proto);
+ break;
+ case VIP_PROTO_SPP:
+ if (check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "Vines SPP");
+ if (check_col(fd, COL_INFO))
+ col_add_fstr(fd, COL_INFO, "SPP (%02x)", viph.vip_proto);
+ break;
+ case VIP_PROTO_ARP:
+ if (check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "Vines ARP");
+ if (check_col(fd, COL_INFO))
+ col_add_fstr(fd, COL_INFO, "ARP (%02x)", viph.vip_proto);
+ break;
+ case VIP_PROTO_RTP:
+ if (check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "Vines RTP");
+ if (check_col(fd, COL_INFO))
+ col_add_fstr(fd, COL_INFO, "RTP (%02x)", viph.vip_proto);
+ break;
+ case VIP_PROTO_ICP:
+ if (check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "Vines ICP");
+ if (check_col(fd, COL_INFO))
+ col_add_fstr(fd, COL_INFO, "ICP (%02x)", viph.vip_proto);
+ break;
+ default:
+ if (check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "Vines IP");
+ if (check_col(fd, COL_INFO))
+ col_add_fstr(fd, COL_INFO, "Unknown VIP protocol (%02x)", viph.vip_proto);
+ }
+
+ SET_ADDRESS(&pi.net_src, AT_VINES, 6, &pd[offset+12]);
+ SET_ADDRESS(&pi.src, AT_VINES, 6, &pd[offset+12]);
+ SET_ADDRESS(&pi.net_dst, AT_VINES, 6, &pd[offset+6]);
+ SET_ADDRESS(&pi.dst, AT_VINES, 6, &pd[offset+6]);
+
+ /* helpers to decode flags */
+ /* FIXME: Not used yet */
+ if ((viph.vip_dnet == 0xffffffff) && (viph.vip_dsub == 0xffff)) {
+ is_broadcast = 1;
+ }
+ hops = viph.vip_tctl & 0xf;
+
/*
- iph.ip_tos = IPTOS_TOS(iph.ip_tos);
- switch (iph.ip_tos)
+ viph.ip_tos = IPTOS_TOS(viph.ip_tos);
+ switch (viph.ip_tos)
{
case IPTOS_NONE:
strcpy(tos_str, "None");
*/
if (tree)
{
- ti = add_item_to_tree(GTK_WIDGET(tree), offset, (iph.vip_len),
- "Vines IP");
- vip_tree = gtk_tree_new();
- add_subtree(ti, vip_tree, ETT_VINES);
- add_item_to_tree(vip_tree, offset, 2, "Header checksum: 0x%04x", iph.vip_sum);
- add_item_to_tree(vip_tree, offset + 2, 2, "Header length: 0x%02x (%d)", iph.vip_len, iph.vip_len);
- add_item_to_tree(vip_tree, offset + 4, 1, "Transport control: 0x%02x",
- iph.vip_tos);
- add_item_to_tree(vip_tree, offset + 5, 1, "Protocol: 0x%02x", iph.vip_proto);
+ ti = proto_tree_add_text(tree, offset, (viph.vip_pktlen), "Vines IP");
+ vip_tree = proto_item_add_subtree(ti, ett_vines);
+ proto_tree_add_text(vip_tree, offset, 2, "Packet checksum: 0x%04x", viph.vip_chksum);
+ proto_tree_add_text(vip_tree, offset + 2, 2, "Packet length: 0x%04x (%d)", viph.vip_pktlen, viph.vip_pktlen);
+ proto_tree_add_text(vip_tree, offset + 4, 1, "Transport control: 0x%02x",
+ viph.vip_tctl);
+ proto_tree_add_text(vip_tree, offset + 5, 1, "Protocol: 0x%02x", viph.vip_proto);
}
offset += 18;
- switch (iph.vip_proto)
+ switch (viph.vip_proto)
{
- case VINES_VSPP:
- dissect_vspp(pd, offset, fd, tree);
+ case VIP_PROTO_SPP:
+ dissect_vines_spp(pd, offset, fd, tree);
break;
}
}
#define VINES_VSPP_DATA 1
#define VINES_VSPP_ACK 5
-void dissect_vspp(const u_char *pd, int offset, frame_data *fd, GtkTree *tree)
+void dissect_vines_spp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
{
- e_vspp iph;
- GtkWidget *vspp_tree, *ti;
-/* gchar tos_str[32];*/
+ e_vspp viph;
+ proto_tree *vspp_tree;
+ proto_item *ti;
/* To do: check for runts, errs, etc. */
/* Avoids alignment problems on many architectures. */
- memcpy(&iph, &pd[offset], sizeof(e_vspp));
+ memcpy(&viph, &pd[offset], sizeof(e_vspp));
- iph.vspp_sport = ntohs(iph.vspp_sport);
- iph.vspp_dport = ntohs(iph.vspp_dport);
- iph.vspp_lclid = ntohs(iph.vspp_lclid);
- iph.vspp_rmtid = ntohs(iph.vspp_rmtid);
+ viph.vspp_sport = ntohs(viph.vspp_sport);
+ viph.vspp_dport = ntohs(viph.vspp_dport);
+ viph.vspp_lclid = ntohs(viph.vspp_lclid);
+ viph.vspp_rmtid = ntohs(viph.vspp_rmtid);
- if (fd->win_info[COL_NUM])
- {
- switch (iph.vspp_pkttype)
- {
- case VINES_VSPP_DATA:
- strcpy(fd->win_info[COL_PROTOCOL], "Vines");
- sprintf(fd->win_info[COL_INFO], "VSPP Data Port=%04x(Transient) NS=%04x NR=%04x Window=%04x RID=%04x LID=%04x D=%04x S=%04x",
- iph.vspp_sport, iph.vspp_seq, iph.vspp_ack, iph.vspp_win, iph.vspp_rmtid,
- iph.vspp_lclid, iph.vspp_dport, iph.vspp_sport);
- break;
- case VINES_VSPP_ACK:
- strcpy(fd->win_info[COL_PROTOCOL], "Vines");
- sprintf(fd->win_info[COL_INFO], "VSPP Ack Port=%04x(Transient) NS=%04x NR=%04x Window=%04x RID=%04x LID=%04x",
- iph.vspp_sport, iph.vspp_seq, iph.vspp_ack, iph.vspp_win, iph.vspp_rmtid,
- iph.vspp_lclid);
-
- break;
- default:
- strcpy(fd->win_info[COL_PROTOCOL], "Vines IP");
- sprintf(fd->win_info[COL_INFO], "Unknown VSPP packet type (%02x)", iph.vspp_pkttype);
- }
- }
+ switch (viph.vspp_pkttype)
+ {
+ case VSPP_PKTTYPE_DATA:
+ if (check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "VSPP Data");
+ break;
+ case VSPP_PKTTYPE_DISC:
+ if (check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "VSPP Disconnect");
+ break;
+ case VSPP_PKTTYPE_PROBE:
+ if (check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "VSPP Probe");
+ break;
+ case VSPP_PKTTYPE_ACK:
+ if (check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "VSPP Ack");
+ break;
+ default:
+ if (check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "VSPP Unknown");
+ }
+ if (check_col(fd, COL_INFO))
+ col_add_fstr(fd, COL_INFO, "NS=%04x NR=%04x Window=%04x RID=%04x LID=%04x D=%04x S=%04x",
+ viph.vspp_seqno, viph.vspp_ack, viph.vspp_win, viph.vspp_rmtid,
+ viph.vspp_lclid, viph.vspp_dport, viph.vspp_sport);
/*
- iph.ip_tos = IPTOS_TOS(iph.ip_tos);
- switch (iph.ip_tos)
+ iph.ip_tos = IPTOS_TOS(iph.ip_tos);
+ switch (iph.ip_tos)
{
case IPTOS_NONE:
strcpy(tos_str, "None");
*/
if (tree)
{
- ti = add_item_to_tree(GTK_WIDGET(tree), offset, sizeof(iph),
- "Vines SPP");
- vspp_tree = gtk_tree_new();
- add_subtree(ti, vspp_tree, ETT_VSPP);
- add_item_to_tree(vspp_tree, offset, 2, "Source port: 0x%04x", iph.vspp_sport);
- add_item_to_tree(vspp_tree, offset+2, 2, "Destination port: 0x%04x", iph.vspp_dport);
- add_item_to_tree(vspp_tree, offset+4, 1, "Packet type: 0x%02x", iph.vspp_pkttype);
- add_item_to_tree(vspp_tree, offset+5, 1, "Control: 0x%02x", iph.vspp_tos);
- add_item_to_tree(vspp_tree, offset+6, 2, "Local Connection ID: 0x%04x", iph.vspp_lclid);
- add_item_to_tree(vspp_tree, offset+8, 2, "Remote Connection ID: 0x%04x", iph.vspp_rmtid);
- add_item_to_tree(vspp_tree, offset+10, 2, "Sequence number: 0x%04x", iph.vspp_seq);
- add_item_to_tree(vspp_tree, offset+12, 2, "Ack number: 0x%04x", iph.vspp_ack);
- add_item_to_tree(vspp_tree, offset+14, 2, "Window: 0x%04x", iph.vspp_win);
- }
-
+ ti = proto_tree_add_text(tree, offset, sizeof(viph), "Vines SPP");
+ vspp_tree = proto_item_add_subtree(ti, ett_vines_spp);
+ proto_tree_add_text(vspp_tree, offset, 2, "Source port: 0x%04x", viph.vspp_sport);
+ proto_tree_add_text(vspp_tree, offset+2, 2, "Destination port: 0x%04x", viph.vspp_dport);
+ proto_tree_add_text(vspp_tree, offset+4, 1, "Packet type: 0x%02x", viph.vspp_pkttype);
+ proto_tree_add_text(vspp_tree, offset+5, 1, "Control: 0x%02x", viph.vspp_control);
+ proto_tree_add_text(vspp_tree, offset+6, 2, "Local Connection ID: 0x%04x", viph.vspp_lclid);
+ proto_tree_add_text(vspp_tree, offset+8, 2, "Remote Connection ID: 0x%04x", viph.vspp_rmtid);
+ proto_tree_add_text(vspp_tree, offset+10, 2, "Sequence number: 0x%04x", viph.vspp_seqno);
+ proto_tree_add_text(vspp_tree, offset+12, 2, "Ack number: 0x%04x", viph.vspp_ack);
+ proto_tree_add_text(vspp_tree, offset+14, 2, "Window: 0x%04x", viph.vspp_win);
+ }
}
+
+void
+proto_register_vines(void)
+{
+ static gint *ett[] = {
+ &ett_vines,
+ &ett_vines_frp,
+ &ett_vines_spp,
+ };
+
+ proto_register_subtree_array(ett, array_length(ett));
+}
git.samba.org / obnox / wireshark / wip.git / blobdiff