diff options
author | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
---|---|---|
committer | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
commit | 669db206cb1f270046ad400fff7655e20c63e723 (patch) | |
tree | 4eff24a2e16c8963e497e1fc575f35e6af59bd26 /packet-vines.c | |
parent | ae46c27a38700af669ef907491081f09df6f6b2c (diff) |
Move dissectors to epan/dissectors directory.
Also move ncp222.py, x11-fields, process-x11-fields.pl,
make-reg-dotc, and make-reg-dotc.py.
Adjust #include lines in files that include packet-*.h
files.
svn path=/trunk/; revision=11410
Diffstat (limited to 'packet-vines.c')
-rw-r--r-- | packet-vines.c | 1661 |
1 files changed, 0 insertions, 1661 deletions
diff --git a/packet-vines.c b/packet-vines.c deleted file mode 100644 index 4440012385..0000000000 --- a/packet-vines.c +++ /dev/null @@ -1,1661 +0,0 @@ -/* packet-vines.c - * Routines for Banyan VINES protocol packet disassembly - * - * $Id$ - * - * Don Lafontaine <lafont02@cn.ca> - * - * Ethereal - Network traffic analyzer - * By Gerald Combs <gerald@ethereal.com> - * Copyright 1998 Gerald Combs - * Joerg Mayer <jmayer@loplof.de> - * - * 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 <string.h> -#include <glib.h> -#include <epan/packet.h> -#include "packet-vines.h" -#include "etypes.h" -#include "ppptypes.h" -#include "ipproto.h" -#include "arcnet_pids.h" -#include "llcsaps.h" - -#define UDP_PORT_VINES 573 - -static int proto_vines_frp = -1; - -static gint ett_vines_frp = -1; - -static int proto_vines_llc = -1; - -static gint ett_vines_llc = -1; - -static int proto_vines_ip = -1; -static int hf_vines_ip_protocol = -1; - -static gint ett_vines_ip = -1; -static gint ett_vines_ip_tctl = -1; - -static int proto_vines_echo = -1; - -static gint ett_vines_echo = -1; - -static int proto_vines_ipc = -1; - -static gint ett_vines_ipc = -1; -static gint ett_vines_ipc_control = -1; - -static int proto_vines_spp = -1; - -static gint ett_vines_spp = -1; -static gint ett_vines_spp_control = -1; - -static int proto_vines_arp = -1; - -static gint ett_vines_arp = -1; - -static int proto_vines_rtp = -1; - -static gint ett_vines_rtp = -1; -static gint ett_vines_rtp_compatibility_flags = -1; -static gint ett_vines_rtp_req_info = -1; -static gint ett_vines_rtp_control_flags = -1; -static gint ett_vines_rtp_mtype = -1; -static gint ett_vines_rtp_flags = -1; - -static int proto_vines_icp = -1; - -static gint ett_vines_icp = -1; - -void -capture_vines(packet_counts *ld) -{ - ld->vines++; -} - -static dissector_handle_t vines_ip_handle; -static dissector_handle_t data_handle; - -/* 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? - */ -static void -dissect_vines_frp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) -{ - guint8 vines_frp_ctrl; - proto_tree *vines_frp_tree; - proto_item *ti; - gchar frp_flags_str[32]; - tvbuff_t *next_tvb; - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines FRP"); - if (check_col(pinfo->cinfo, COL_INFO)) - col_clear(pinfo->cinfo, COL_INFO); - - if (tree) { - ti = proto_tree_add_item(tree, proto_vines_frp, tvb, 0, 2, - FALSE); - vines_frp_tree = proto_item_add_subtree(ti, ett_vines_frp); - - vines_frp_ctrl = tvb_get_guint8(tvb, 0); - - /* - * 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; - } - - proto_tree_add_text(vines_frp_tree, tvb, 0, 1, - "Control Flags: 0x%02x = %s fragment", - vines_frp_ctrl, frp_flags_str); - - proto_tree_add_text(vines_frp_tree, tvb, 1, 1, - "Sequence Number: 0x%02x", - tvb_get_guint8(tvb, 1)); - } - - /* Decode the "real" Vines now */ - next_tvb = tvb_new_subset(tvb, 2, -1, -1); - call_dissector(vines_ip_handle, next_tvb, pinfo, tree); -} - -void -proto_register_vines_frp(void) -{ - static gint *ett[] = { - &ett_vines_frp, - }; - - proto_vines_frp = proto_register_protocol( - "Banyan Vines Fragmentation Protocol", "Vines FRP", "vines_frp"); - proto_register_subtree_array(ett, array_length(ett)); -} - -void -proto_reg_handoff_vines_frp(void) -{ - dissector_handle_t vines_frp_handle; - - vines_frp_handle = create_dissector_handle(dissect_vines_frp, - proto_vines_frp); - dissector_add("ip.proto", IP_PROTO_VINES, vines_frp_handle); - - /* XXX: AFAIK, src and dst port must be the same; should - the dissector check for that? */ - dissector_add("udp.port", UDP_PORT_VINES, vines_frp_handle); -} - -static dissector_table_t vines_llc_dissector_table; - -#define VINES_LLC_IP 0xba -#define VINES_LLC_ECHO 0xbb - -static const value_string vines_llc_ptype_vals[] = { - { VINES_LLC_IP, "Vines IP" }, - { VINES_LLC_ECHO, "Vines Echo" }, - { 0, NULL } -}; - -static void -dissect_vines_llc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) -{ - guint8 ptype; - proto_tree *vines_llc_tree; - proto_item *ti; - tvbuff_t *next_tvb; - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines LLC"); - if (check_col(pinfo->cinfo, COL_INFO)) - col_clear(pinfo->cinfo, COL_INFO); - - ptype = tvb_get_guint8(tvb, 0); - if (check_col(pinfo->cinfo, COL_INFO)) - col_add_str(pinfo->cinfo, COL_INFO, - val_to_str(ptype, vines_llc_ptype_vals, - "Unknown protocol 0x%02x")); - if (tree) { - ti = proto_tree_add_item(tree, proto_vines_llc, tvb, 0, 1, - FALSE); - vines_llc_tree = proto_item_add_subtree(ti, ett_vines_llc); - - proto_tree_add_text(vines_llc_tree, tvb, 0, 1, - "Packet Type: %s (0x%02x)", - val_to_str(ptype, vines_llc_ptype_vals, - "Unknown"), - ptype); - } - - next_tvb = tvb_new_subset(tvb, 1, -1, -1); - if (!dissector_try_port(vines_llc_dissector_table, ptype, - next_tvb, pinfo, tree)) - call_dissector(data_handle, next_tvb, pinfo, tree); -} - -void -proto_register_vines_llc(void) -{ - static gint *ett[] = { - &ett_vines_llc, - }; - - proto_vines_llc = proto_register_protocol( - "Banyan Vines LLC", "Vines LLC", "vines_llc"); - proto_register_subtree_array(ett, array_length(ett)); - - /* subdissector code */ - vines_llc_dissector_table = register_dissector_table("vines_llc.ptype", - "Vines LLC protocol", FT_UINT8, BASE_HEX); -} - -void -proto_reg_handoff_vines_llc(void) -{ - dissector_handle_t vines_llc_handle; - - vines_llc_handle = create_dissector_handle(dissect_vines_llc, - proto_vines_llc); - dissector_add("llc.dsap", SAP_VINES2, vines_llc_handle); -} - -static dissector_table_t vines_ip_dissector_table; - -static const value_string class_vals[] = { - { 0x00, "Reachable regardless of cost" }, - { 0x10, "Reachable without cost" }, - { 0x20, "Reachable with low cost (>= 4800 bps)" }, - { 0x30, "Reachable via LAN" }, - { 0, NULL } -}; - -static const value_string proto_vals[] = { - { VIP_PROTO_IPC, "IPC" }, - { VIP_PROTO_SPP, "SPP" }, - { VIP_PROTO_ARP, "ARP" }, - { VIP_PROTO_RTP, "RTP" }, - { VIP_PROTO_ICP, "ICP" }, - { 0, NULL } -}; - -static const guint8 bcast_addr[VINES_ADDR_LEN] = { - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF -}; - -static void -dissect_vines_ip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) -{ - int offset = 0; - e_vip viph; - proto_tree *vip_tree, *tctl_tree; - proto_item *ti; - const guint8 *dst_addr, *src_addr; - gboolean is_broadcast = FALSE; - int hops = 0; - tvbuff_t *next_tvb; - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines IP"); - if (check_col(pinfo->cinfo, COL_INFO)) - col_clear(pinfo->cinfo, COL_INFO); - - /* To do: check for runts, errs, etc. */ - - /* Avoids alignment problems on many architectures. */ - tvb_memcpy(tvb, (guint8 *)&viph, offset, sizeof(e_vip)); - - viph.vip_chksum = g_ntohs(viph.vip_chksum); - viph.vip_pktlen = g_ntohs(viph.vip_pktlen); - - if (check_col(pinfo->cinfo, COL_INFO)) { - col_add_fstr(pinfo->cinfo, COL_INFO, "%s (0x%02x)", - val_to_str(viph.vip_proto, proto_vals, - "Unknown VIP protocol"), - viph.vip_proto); - } - - src_addr = tvb_get_ptr(tvb, offset+12, VINES_ADDR_LEN); - SET_ADDRESS(&pinfo->net_src, AT_VINES, VINES_ADDR_LEN, src_addr); - SET_ADDRESS(&pinfo->src, AT_VINES, VINES_ADDR_LEN, src_addr); - dst_addr = tvb_get_ptr(tvb, offset+6, VINES_ADDR_LEN); - SET_ADDRESS(&pinfo->net_dst, AT_VINES, VINES_ADDR_LEN,dst_addr); - SET_ADDRESS(&pinfo->dst, AT_VINES, VINES_ADDR_LEN, dst_addr); - - /* helpers to transport control */ - if (memcmp(viph.vip_dst, bcast_addr, VINES_ADDR_LEN) == 0) - is_broadcast = TRUE; - hops = viph.vip_tctl & 0xf; - - /* - * Adjust the length of this tvbuff to include only the Vines IP - * datagram. - */ - set_actual_length(tvb, viph.vip_pktlen); - - if (tree) { - ti = proto_tree_add_item(tree, proto_vines_ip, tvb, - offset, viph.vip_pktlen, - FALSE); - vip_tree = proto_item_add_subtree(ti, ett_vines_ip); - proto_tree_add_text(vip_tree, tvb, offset, 2, - "Packet checksum: 0x%04x", - viph.vip_chksum); - proto_tree_add_text(vip_tree, tvb, offset + 2, 2, - "Packet length: %u", - viph.vip_pktlen); - ti = proto_tree_add_text(vip_tree, tvb, offset + 4, 1, - "Transport control: 0x%02x", - viph.vip_tctl); - tctl_tree = proto_item_add_subtree(ti, ett_vines_ip_tctl); - /* - * XXX - bit 0x80 is "Normal" if 0; what is it if 1? - */ - if (is_broadcast) { - proto_tree_add_text(tctl_tree, tvb, offset + 4, 1, - decode_boolean_bitfield(viph.vip_tctl, 0x40, 1*8, - "Router nodes", - "All nodes")); - proto_tree_add_text(tctl_tree, tvb, offset + 4, 1, "%s", - decode_enumerated_bitfield(viph.vip_tctl, 0x30, 1*8, - class_vals, "%s")); - } else { - proto_tree_add_text(tctl_tree, tvb, offset + 4, 1, - decode_boolean_bitfield(viph.vip_tctl, 0x40, 1*8, - "Forwarding router can handle redirect packets", - "Forwarding router cannot handle redirect packets")); - proto_tree_add_text(tctl_tree, tvb, offset + 4, 1, - decode_boolean_bitfield(viph.vip_tctl, 0x20, 1*8, - "Return metric notification packet", - "Do not return metric notification packet")); - proto_tree_add_text(tctl_tree, tvb, offset + 4, 1, - decode_boolean_bitfield(viph.vip_tctl, 0x10, 1*8, - "Return exception notification packet", - "Do not return exception notification packet")); - } - proto_tree_add_text(tctl_tree, tvb, offset + 4, 1, - decode_numeric_bitfield(viph.vip_tctl, 0x0F, 1*8, - "Hop count remaining = %u")); - proto_tree_add_uint(vip_tree, hf_vines_ip_protocol, tvb, - offset + 5, 1, - viph.vip_proto); - proto_tree_add_text(vip_tree, tvb, offset + 6, - VINES_ADDR_LEN, - "Destination: %s", - vines_addr_to_str(dst_addr)); - proto_tree_add_text(vip_tree, tvb, offset + 12, - VINES_ADDR_LEN, - "Source: %s", - vines_addr_to_str(src_addr)); - } - - offset += 18; - next_tvb = tvb_new_subset(tvb, offset, -1, -1); - if (!dissector_try_port(vines_ip_dissector_table, viph.vip_proto, - next_tvb, pinfo, tree)) - call_dissector(data_handle, next_tvb, pinfo, tree); -} - -void -proto_register_vines_ip(void) -{ - static gint *ett[] = { - &ett_vines_ip, - &ett_vines_ip_tctl, - }; - - static hf_register_info hf[] = { - { &hf_vines_ip_protocol, - { "Protocol", "vines_ip.protocol", - FT_UINT8, BASE_HEX, VALS(proto_vals), 0x0, - "Vines protocol", HFILL }} - }; - - proto_vines_ip = proto_register_protocol("Banyan Vines IP", "Vines IP", - "vines_ip"); - proto_register_field_array(proto_vines_ip, hf, array_length(hf)); - proto_register_subtree_array(ett, array_length(ett)); - - /* subdissector code */ - vines_ip_dissector_table = register_dissector_table("vines_ip.protocol", - "Vines protocol", FT_UINT8, BASE_HEX); - - vines_ip_handle = create_dissector_handle(dissect_vines_ip, - proto_vines_ip); -} - -void -proto_reg_handoff_vines_ip(void) -{ - dissector_add("ethertype", ETHERTYPE_VINES_IP, vines_ip_handle); - dissector_add("ppp.protocol", PPP_VINES, vines_ip_handle); - dissector_add("arcnet.protocol_id", ARCNET_PROTO_BANYAN, - vines_ip_handle); - dissector_add("vines_llc.ptype", VINES_LLC_IP, vines_ip_handle); - data_handle = find_dissector("data"); -} - -static void -dissect_vines_echo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) -{ - proto_tree *vines_echo_tree = NULL; - proto_item *ti; - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines Echo"); - if (check_col(pinfo->cinfo, COL_INFO)) - col_clear(pinfo->cinfo, COL_INFO); - - if (tree) { - ti = proto_tree_add_item(tree, proto_vines_echo, tvb, 0, -1, - FALSE); - vines_echo_tree = proto_item_add_subtree(ti, ett_vines_echo); - proto_tree_add_text(vines_echo_tree, tvb, 0, -1, "Data"); - } -} - -void -proto_register_vines_echo(void) -{ - static gint *ett[] = { - &ett_vines_echo, - }; - - proto_vines_echo = proto_register_protocol( - "Banyan Vines Echo", "Vines Echo", "vines_echo"); - proto_register_subtree_array(ett, array_length(ett)); -} - -void -proto_reg_handoff_vines_echo(void) -{ - dissector_handle_t vines_echo_handle; - - vines_echo_handle = create_dissector_handle(dissect_vines_echo, - proto_vines_echo); - dissector_add("vines_llc.ptype", VINES_LLC_ECHO, vines_echo_handle); - dissector_add("ethertype", ETHERTYPE_VINES_ECHO, vines_echo_handle); -} - -static const value_string pkttype_vals[] = { - { PKTTYPE_DGRAM, "Datagram" }, - { PKTTYPE_DATA, "Data" }, - { PKTTYPE_ERR, "Error" }, - { PKTTYPE_DISC, "Disconnect" }, - { PKTTYPE_PROBE, "Probe" }, - { PKTTYPE_ACK, "Ack" }, - { 0, NULL } -}; - -static heur_dissector_list_t vines_ipc_heur_subdissector_list; - -static const value_string vipc_err_vals[] = { - { 151, "Bad socket descriptor" }, - { 152, "Address already in use" }, - { 153, "Invalid operation" }, - { 154, "User address parameter fault" }, - { 155, "Net/host unreachable" }, - { 156, "Message overflow error" }, - { 157, "Destination socket does not exist" }, - { 158, "Address family does not exist" }, - { 159, "Socket type does not exist" }, - { 160, "Protocol does not exist" }, - { 161, "No more sockets available" }, - { 162, "No buffer space available" }, - { 163, "Timeout event" }, - { 164, "Operation not supported" }, - { 165, "Resource not available" }, - { 166, "Internal communication service failure" }, - { 167, "Controller reset failure" }, - { 0, NULL } -}; - -static void -dissect_vines_ipc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) -{ - int offset = 0; - e_vipc viph; - proto_tree *vipc_tree = NULL, *control_tree; - proto_item *ti; - tvbuff_t *next_tvb; - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "VIPC"); - if (check_col(pinfo->cinfo, COL_INFO)) - col_clear(pinfo->cinfo, COL_INFO); - - /* To do: check for runts, errs, etc. */ - - /* Avoids alignment problems on many architectures. */ - tvb_memcpy(tvb, (guint8 *)&viph, offset, sizeof(e_vipc)); - - viph.vipc_sport = g_ntohs(viph.vipc_sport); - viph.vipc_dport = g_ntohs(viph.vipc_dport); - viph.vipc_lclid = g_ntohs(viph.vipc_lclid); - viph.vipc_rmtid = g_ntohs(viph.vipc_rmtid); - viph.vipc_seqno = g_ntohs(viph.vipc_seqno); - viph.vipc_ack = g_ntohs(viph.vipc_ack); - viph.vipc_err_len = g_ntohs(viph.vipc_err_len); - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines IPC"); - if (check_col(pinfo->cinfo, COL_INFO)) { - switch (viph.vipc_pkttype) { - - case PKTTYPE_DGRAM: - col_add_fstr(pinfo->cinfo, COL_INFO, - "%s D=%04x S=%04x", - val_to_str(viph.vipc_pkttype, pkttype_vals, - "Unknown packet type (0x%02x)"), - viph.vipc_dport, viph.vipc_sport); - break; - - case PKTTYPE_ERR: - col_add_fstr(pinfo->cinfo, COL_INFO, - "%s NS=%u NR=%u Err=%s RID=%04x LID=%04x D=%04x S=%04x", - val_to_str(viph.vipc_pkttype, pkttype_vals, - "Unknown packet type (0x%02x)"), - viph.vipc_seqno, viph.vipc_ack, - val_to_str(viph.vipc_err_len, - vipc_err_vals, "Unknown (%u)"), - viph.vipc_rmtid, viph.vipc_lclid, - viph.vipc_dport, viph.vipc_sport); - break; - - default: - col_add_fstr(pinfo->cinfo, COL_INFO, - "%s NS=%u NR=%u Len=%u RID=%04x LID=%04x D=%04x S=%04x", - val_to_str(viph.vipc_pkttype, pkttype_vals, - "Unknown packet type (0x%02x)"), - viph.vipc_seqno, viph.vipc_ack, - viph.vipc_err_len, viph.vipc_rmtid, - viph.vipc_lclid, viph.vipc_dport, - viph.vipc_sport); - break; - } - } - - if (tree) { - ti = proto_tree_add_item(tree, proto_vines_ipc, tvb, offset, - sizeof(viph), FALSE); - vipc_tree = proto_item_add_subtree(ti, ett_vines_ipc); - proto_tree_add_text(vipc_tree, tvb, offset, 2, - "Source port: 0x%04x", viph.vipc_sport); - } - offset += 2; - if (tree) { - proto_tree_add_text(vipc_tree, tvb, offset, 2, - "Destination port: 0x%04x", - viph.vipc_dport); - } - offset += 2; - if (tree) { - proto_tree_add_text(vipc_tree, tvb, offset, 1, - "Packet type: 0x%02x (%s)", - viph.vipc_pkttype, - val_to_str(viph.vipc_pkttype, pkttype_vals, - "Unknown")); - } - offset += 1; - if (viph.vipc_pkttype != PKTTYPE_DGRAM) { - if (tree) { - ti = proto_tree_add_text(vipc_tree, tvb, offset, 1, - "Control: 0x%02x", - viph.vipc_control); - control_tree = proto_item_add_subtree(ti, - ett_vines_ipc_control); - /* - * XXX - do reassembly based on BOM/EOM bits. - */ - proto_tree_add_text(control_tree, tvb, offset, 1, - decode_boolean_bitfield(viph.vipc_control, 0x80, - 1*8, - "Send immediate acknowledgment", - "Do not send immediate acknowledgement")); - proto_tree_add_text(control_tree, tvb, offset, 1, - decode_boolean_bitfield(viph.vipc_control, 0x40, - 1*8, - "End of message", - "Not end of message")); - proto_tree_add_text(control_tree, tvb, offset, 1, - decode_boolean_bitfield(viph.vipc_control, 0x20, - 1*8, - "Beginning of message", - "Not beginning of message")); - proto_tree_add_text(control_tree, tvb, offset, 1, - decode_boolean_bitfield(viph.vipc_control, 0x10, - 1*8, - "Abort current message", - "Do not abort current message")); - } - } - offset += 1; - if (viph.vipc_pkttype != PKTTYPE_DGRAM) { - if (tree) { - proto_tree_add_text(vipc_tree, tvb, offset, 2, - "Local Connection ID: 0x%04x", - viph.vipc_lclid); - } - offset += 2; - if (tree) { - proto_tree_add_text(vipc_tree, tvb, offset, 2, - "Remote Connection ID: 0x%04x", - viph.vipc_rmtid); - } - offset += 2; - if (tree) { - proto_tree_add_text(vipc_tree, tvb, offset, 2, - "Sequence number: %u", - viph.vipc_seqno); - } - offset += 2; - if (tree) { - proto_tree_add_text(vipc_tree, tvb, offset, 2, - "Ack number: %u", viph.vipc_ack); - } - offset += 2; - if (tree) { - if (viph.vipc_pkttype == PKTTYPE_ERR) { - proto_tree_add_text(vipc_tree, tvb, offset, 2, - "Error: %s (%u)", - val_to_str(viph.vipc_err_len, - vipc_err_vals, - "Unknown"), - viph.vipc_err_len); - } else { - proto_tree_add_text(vipc_tree, tvb, offset, 2, - "Length: %u", - viph.vipc_err_len); - } - } - offset += 2; - } - - /* - * For data packets, try the heuristic dissectors for Vines SPP; - * if none of them accept the packet, or if it's not a data packet, - * dissect it as data. - */ - next_tvb = tvb_new_subset(tvb, offset, -1, -1); - if (viph.vipc_pkttype != PKTTYPE_DATA || - !dissector_try_heuristic(vines_ipc_heur_subdissector_list, - next_tvb, pinfo, tree)) - call_dissector(data_handle, next_tvb, pinfo, tree); -} - -void -proto_register_vines_ipc(void) -{ - static gint *ett[] = { - &ett_vines_ipc, - &ett_vines_ipc_control, - }; - - proto_vines_ipc = proto_register_protocol("Banyan Vines IPC", - "Vines IPC", "vines_ipc"); - proto_register_subtree_array(ett, array_length(ett)); - - register_heur_dissector_list("vines_ipc", - &vines_ipc_heur_subdissector_list); -} - -void -proto_reg_handoff_vines_ipc(void) -{ - dissector_handle_t vines_ipc_handle; - - vines_ipc_handle = create_dissector_handle(dissect_vines_ipc, - proto_vines_ipc); - dissector_add("vines_ip.protocol", VIP_PROTO_IPC, vines_ipc_handle); -} - -static heur_dissector_list_t vines_spp_heur_subdissector_list; - -static void -dissect_vines_spp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) -{ - int offset = 0; - e_vspp viph; - proto_tree *vspp_tree, *control_tree; - proto_item *ti; - tvbuff_t *next_tvb; - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "VSPP"); - if (check_col(pinfo->cinfo, COL_INFO)) - col_clear(pinfo->cinfo, COL_INFO); - - /* To do: check for runts, errs, etc. */ - - /* Avoids alignment problems on many architectures. */ - tvb_memcpy(tvb, (guint8 *)&viph, offset, sizeof(e_vspp)); - - viph.vspp_sport = g_ntohs(viph.vspp_sport); - viph.vspp_dport = g_ntohs(viph.vspp_dport); - viph.vspp_lclid = g_ntohs(viph.vspp_lclid); - viph.vspp_rmtid = g_ntohs(viph.vspp_rmtid); - viph.vspp_seqno = g_ntohs(viph.vspp_seqno); - viph.vspp_ack = g_ntohs(viph.vspp_ack); - viph.vspp_win = g_ntohs(viph.vspp_win); - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines SPP"); - if (check_col(pinfo->cinfo, COL_INFO)) - col_add_fstr(pinfo->cinfo, COL_INFO, - "%s NS=%u NR=%u Window=%u RID=%04x LID=%04x D=%04x S=%04x", - val_to_str(viph.vspp_pkttype, pkttype_vals, - "Unknown packet type (0x%02x)"), - viph.vspp_seqno, viph.vspp_ack, viph.vspp_win, - viph.vspp_rmtid, viph.vspp_lclid, viph.vspp_dport, - viph.vspp_sport); - - if (tree) { - ti = proto_tree_add_item(tree, proto_vines_spp, tvb, offset, - sizeof(viph), FALSE); - vspp_tree = proto_item_add_subtree(ti, ett_vines_spp); - proto_tree_add_text(vspp_tree, tvb, offset, 2, - "Source port: 0x%04x", viph.vspp_sport); - proto_tree_add_text(vspp_tree, tvb, offset + 2, 2, - "Destination port: 0x%04x", - viph.vspp_dport); - proto_tree_add_text(vspp_tree, tvb, offset + 4, 1, - "Packet type: 0x%02x (%s)", - viph.vspp_pkttype, - val_to_str(viph.vspp_pkttype, pkttype_vals, - "Unknown")); - ti = proto_tree_add_text(vspp_tree, tvb, offset + 5, 1, - "Control: 0x%02x", viph.vspp_control); - control_tree = proto_item_add_subtree(ti, ett_vines_spp_control); - /* - * XXX - do reassembly based on BOM/EOM bits. - */ - proto_tree_add_text(control_tree, tvb, offset + 5, 1, - decode_boolean_bitfield(viph.vspp_control, 0x80, 1*8, - "Send immediate acknowledgment", - "Do not send immediate acknowledgement")); - proto_tree_add_text(control_tree, tvb, offset + 5, 1, - decode_boolean_bitfield(viph.vspp_control, 0x40, 1*8, - "End of message", - "Not end of message")); - proto_tree_add_text(control_tree, tvb, offset + 5, 1, - decode_boolean_bitfield(viph.vspp_control, 0x20, 1*8, - "Beginning of message", - "Not beginning of message")); - proto_tree_add_text(control_tree, tvb, offset + 5, 1, - decode_boolean_bitfield(viph.vspp_control, 0x10, 1*8, - "Abort current message", - "Do not abort current message")); - proto_tree_add_text(vspp_tree, tvb, offset + 6, 2, - "Local Connection ID: 0x%04x", - viph.vspp_lclid); - proto_tree_add_text(vspp_tree, tvb, offset + 8, 2, - "Remote Connection ID: 0x%04x", - viph.vspp_rmtid); - proto_tree_add_text(vspp_tree, tvb, offset + 10, 2, - "Sequence number: %u", - viph.vspp_seqno); - proto_tree_add_text(vspp_tree, tvb, offset + 12, 2, - "Ack number: %u", viph.vspp_ack); - proto_tree_add_text(vspp_tree, tvb, offset + 14, 2, - "Window: %u", viph.vspp_win); - } - offset += 16; /* sizeof SPP */ - - /* - * For data packets, try the heuristic dissectors for Vines SPP; - * if none of them accept the packet, or if it's not a data packet, - * dissect it as data. - */ - next_tvb = tvb_new_subset(tvb, offset, -1, -1); - if (viph.vspp_pkttype != PKTTYPE_DATA || - !dissector_try_heuristic(vines_spp_heur_subdissector_list, - next_tvb, pinfo, tree)) - call_dissector(data_handle, next_tvb, pinfo, tree); -} - -void -proto_register_vines_spp(void) -{ - static gint *ett[] = { - &ett_vines_spp, - &ett_vines_spp_control, - }; - - proto_vines_spp = proto_register_protocol("Banyan Vines SPP", - "Vines SPP", "vines_spp"); - proto_register_subtree_array(ett, array_length(ett)); - - register_heur_dissector_list("vines_spp", - &vines_spp_heur_subdissector_list); -} - -void -proto_reg_handoff_vines_spp(void) -{ - dissector_handle_t vines_spp_handle; - - vines_spp_handle = create_dissector_handle(dissect_vines_spp, - proto_vines_spp); - dissector_add("vines_ip.protocol", VIP_PROTO_SPP, vines_spp_handle); -} - -#define VINES_VERS_PRE_5_5 0x00 -#define VINES_VERS_5_5 0x01 - -static const value_string vines_version_vals[] = { - { VINES_VERS_PRE_5_5, "Pre-5.50" }, - { VINES_VERS_5_5, "5.50" }, - { 0, NULL } -}; - -#define VARP_QUERY_REQ 0x00 -#define VARP_SERVICE_RESP 0x01 -#define VARP_ASSIGNMENT_REQ 0x02 -#define VARP_ASSIGNMENT_RESP 0x03 - -static const value_string vines_arp_packet_type_vals[] = { - { VARP_QUERY_REQ, "Query request" }, - { VARP_SERVICE_RESP, "Service response" }, - { VARP_ASSIGNMENT_REQ, "Assignment request" }, - { VARP_ASSIGNMENT_RESP, "Assignment response" }, - { 0, NULL } -}; - -static void -dissect_vines_arp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) -{ - proto_tree *vines_arp_tree = NULL; - proto_item *ti; - guint8 version; - guint16 packet_type; - guint16 metric; - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines ARP"); - if (check_col(pinfo->cinfo, COL_INFO)) - col_clear(pinfo->cinfo, COL_INFO); - - if (tree) { - ti = proto_tree_add_item(tree, proto_vines_arp, tvb, 0, -1, - FALSE); - vines_arp_tree = proto_item_add_subtree(ti, ett_vines_arp); - } - - version = tvb_get_guint8(tvb, 0); - if (tree) { - proto_tree_add_text(vines_arp_tree, tvb, 0, 1, - "Version: %s (0x%02x)", - val_to_str(version, vines_version_vals, - "Unknown"), - version); - } - if (version == VINES_VERS_5_5) { - /* - * Sequenced ARP. - */ - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines SARP"); - packet_type = tvb_get_guint8(tvb, 1); - if (check_col(pinfo->cinfo, COL_INFO)) { - col_add_str(pinfo->cinfo, COL_INFO, - val_to_str(packet_type, vines_arp_packet_type_vals, - "Unknown (0x%02x)")); - } - if (tree) { - proto_tree_add_text(vines_arp_tree, tvb, 1, 1, - "Packet Type: %s (0x%02x)", - val_to_str(packet_type, - vines_arp_packet_type_vals, - "Unknown"), - packet_type); - } - if (packet_type == VARP_ASSIGNMENT_RESP) { - if (check_col(pinfo->cinfo, COL_INFO)) { - col_append_fstr(pinfo->cinfo, COL_INFO, - ", Address = %s", - vines_addr_to_str(tvb_get_ptr(tvb, 2, VINES_ADDR_LEN))); - } - if (tree) { - proto_tree_add_text(vines_arp_tree, tvb, 2, - VINES_ADDR_LEN, - "Address: %s", - vines_addr_to_str(tvb_get_ptr(tvb, 2, VINES_ADDR_LEN))); - } - } - if (tree) { - proto_tree_add_text(vines_arp_tree, tvb, - 2+VINES_ADDR_LEN, 4, - "Sequence Number: %u", - tvb_get_ntohl(tvb, 2+VINES_ADDR_LEN)); - metric = tvb_get_ntohs(tvb, 2+VINES_ADDR_LEN+4); - proto_tree_add_text(vines_arp_tree, tvb, - 2+VINES_ADDR_LEN+4, 2, - "Interface Metric: %u ticks (%g seconds)", - metric, metric*.2); - } - } else { - /* - * Non-sequenced ARP. - */ - packet_type = (guint8) tvb_get_ntohs(tvb, 0); - if (check_col(pinfo->cinfo, COL_INFO)) { - col_add_str(pinfo->cinfo, COL_INFO, - val_to_str(packet_type, vines_arp_packet_type_vals, - "Unknown (0x%02x)")); - } - if (tree) { - proto_tree_add_text(vines_arp_tree, tvb, 0, 2, - "Packet Type: %s (0x%04x)", - val_to_str(packet_type, - vines_arp_packet_type_vals, - "Unknown"), - packet_type); - } - if (packet_type == VARP_ASSIGNMENT_RESP) { - if (check_col(pinfo->cinfo, COL_INFO)) { - col_append_fstr(pinfo->cinfo, COL_INFO, - ", Address = %s", - vines_addr_to_str(tvb_get_ptr(tvb, 2, VINES_ADDR_LEN))); - } - if (tree) { - proto_tree_add_text(vines_arp_tree, tvb, 2, - VINES_ADDR_LEN, - "Address: %s", - vines_addr_to_str(tvb_get_ptr(tvb, 2, VINES_ADDR_LEN))); - } - } - } -} - -void -proto_register_vines_arp(void) -{ - static gint *ett[] = { - &ett_vines_arp, - }; - - proto_vines_arp = proto_register_protocol( - "Banyan Vines ARP", "Vines ARP", "vines_arp"); - proto_register_subtree_array(ett, array_length(ett)); -} - -void -proto_reg_handoff_vines_arp(void) -{ - dissector_handle_t vines_arp_handle; - - vines_arp_handle = create_dissector_handle(dissect_vines_arp, - proto_vines_arp); - dissector_add("vines_ip.protocol", VIP_PROTO_ARP, vines_arp_handle); -} - -#define VRTP_OP_REQUEST 0x01 -#define VRTP_OP_UPDATE_RESPONSE 0x02 -#define VRTP_OP_REDIRECT 0x03 -#define VRTP_OP_REINITIALIZE 0x04 -#define VRTP_OP_REDIRECT2 0x06 - -static const value_string vines_rtp_operation_type_vals[] = { - { VRTP_OP_REQUEST, "Request" }, - { VRTP_OP_UPDATE_RESPONSE, "Update/response" }, - { VRTP_OP_REDIRECT, "Redirect" }, - { VRTP_OP_REINITIALIZE, "Reinitialize" }, - { VRTP_OP_REDIRECT2, "Redirect" }, - { 0, NULL } -}; - -static const value_string vines_rtp_node_type_vals[] = { - { 0x01, "Host" }, - { 0x02, "Router" }, - { 0, NULL } -}; - -static const value_string vines_rtp_controller_type_vals[] = { - { 0x00, "Default Card" }, - { 0x01, "Multibuffer" }, - { 0, NULL } -}; - -static const value_string vines_rtp_info_type_vals[] = { - { 0x00, "Update" }, - { 0x01, "Update" }, - { 0x02, "Response" }, - { 0, NULL } -}; - -static void rtp_show_machine_type(proto_tree *tree, tvbuff_t *tvb, int offset, - char *tag); -static void rtp_show_flags(proto_tree *tree, tvbuff_t *tvb, int offset, - char *tag); -static int srtp_show_machine_info(proto_tree *tree, tvbuff_t *tvb, int offset, - char *tag); -static int rtp_show_gateway_info(proto_tree *tree, tvbuff_t *tvb, int offset, - guint8 link_addr_length, guint8 source_route_length); - -static void -dissect_vines_rtp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) -{ - int offset = 0; - proto_tree *vines_rtp_tree = NULL; - proto_item *ti; - proto_tree *subtree; - guint16 version; - guint8 operation_type; - guint8 node_type; - guint8 controller_type; - guint8 compatibility_flags; - guint8 link_addr_length; - guint8 source_route_length; - guint8 requested_info; - guint8 info_type; - guint8 control_flags; - guint16 metric; - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines RTP"); - if (check_col(pinfo->cinfo, COL_INFO)) - col_clear(pinfo->cinfo, COL_INFO); - - if (tree) { - ti = proto_tree_add_item(tree, proto_vines_rtp, tvb, 0, -1, - FALSE); - vines_rtp_tree = proto_item_add_subtree(ti, ett_vines_rtp); - } - - if (tvb_get_guint8(tvb, 0) != 0) { - /* - * Non-sequenced RTP. - */ - operation_type = tvb_get_guint8(tvb, offset); - if (check_col(pinfo->cinfo, COL_INFO)) { - col_add_str(pinfo->cinfo, COL_INFO, - val_to_str(operation_type, vines_rtp_operation_type_vals, - "Unknown (0x%02x)")); - } - if (tree) { - proto_tree_add_text(vines_rtp_tree, tvb, offset, 1, - "Operation Type: %s (0x%02x)", - val_to_str(operation_type, - vines_rtp_operation_type_vals, - "Unknown"), - operation_type); - offset += 1; - node_type = tvb_get_guint8(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, offset, 1, - "Node Type: %s (0x%02x)", - val_to_str(node_type, - vines_rtp_node_type_vals, - "Unknown"), - node_type); - offset += 1; - controller_type = tvb_get_guint8(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, offset, 1, - "Controller Type: %s (0x%02x)", - val_to_str(controller_type, - vines_rtp_controller_type_vals, - "Unknown"), - controller_type); - offset += 1; - rtp_show_machine_type(vines_rtp_tree, tvb, offset, - NULL); - offset += 1; - switch (operation_type) { - - case VRTP_OP_REDIRECT: - case VRTP_OP_REDIRECT2: - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 2, - "Version: 0x%02x", - tvb_get_ntohs(tvb, offset)); - offset += 2; - link_addr_length = tvb_get_guint8(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 1, - "Link Address Length: %u", - link_addr_length); - offset += 1; - source_route_length = tvb_get_guint8(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 1, - "Source Route Length: %u", - source_route_length); - offset += 1; - offset = srtp_show_machine_info(vines_rtp_tree, - tvb, offset, "Destination"); - offset += 1; - offset = srtp_show_machine_info(vines_rtp_tree, - tvb, offset, "Preferred Gateway"); - offset += 1; - offset = rtp_show_gateway_info(vines_rtp_tree, - tvb,offset, link_addr_length, - source_route_length); - break; - - default: - while (tvb_reported_length_remaining(tvb, offset) > 0) { - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 4, - "Network Number: 0x%08x", - tvb_get_ntohl(tvb, offset)); - offset += 4; - metric = tvb_get_ntohs(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 2, - "Neighbor Metric: %u ticks (%g seconds)", - metric, - metric*.2); - offset += 2; - } - break; - } - } - } else { - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines SRTP"); - if (tree) { - version = tvb_get_ntohs(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, offset, 2, - "Version: %s (0x%04x)", - val_to_str(version, vines_version_vals, - "Unknown"), - version); - } - offset += 2; - operation_type = tvb_get_guint8(tvb, offset); - if (check_col(pinfo->cinfo, COL_INFO)) { - col_add_str(pinfo->cinfo, COL_INFO, - val_to_str(operation_type, vines_rtp_operation_type_vals, - "Unknown (0x%02x)")); - } - if (tree) { - proto_tree_add_text(vines_rtp_tree, tvb, offset, 1, - "Operation Type: %s (0x%02x)", - val_to_str(operation_type, - vines_rtp_operation_type_vals, - "Unknown"), - operation_type); - offset += 1; - node_type = tvb_get_guint8(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, offset, 1, - "Node Type: %s (0x%02x)", - val_to_str(node_type, - vines_rtp_node_type_vals, - "Unknown"), - node_type); - offset += 1; - compatibility_flags = tvb_get_guint8(tvb, offset); - ti = proto_tree_add_text(vines_rtp_tree, tvb, offset, 1, - "Compatibility Flags: 0x%02x", - compatibility_flags); - subtree = proto_item_add_subtree(ti, - ett_vines_rtp_compatibility_flags); - proto_tree_add_text(subtree, tvb, - offset, 1, - decode_boolean_bitfield(compatibility_flags, - 0x04, 1*8, - "Auto-configured non-Vines-reachable neighbor router", - "Not an auto-configured non-Vines-reachable neighbor router")); - proto_tree_add_text(subtree, tvb, - offset, 1, - decode_boolean_bitfield(compatibility_flags, - 0x02, 1*8, - "Not all neighbor routers support Sequenced RTP", - "All neighbor routers support Sequenced RTP")); - proto_tree_add_text(subtree, tvb, - offset, 1, - decode_boolean_bitfield(compatibility_flags, - 0x01, 1*8, - "Sequenced RTP version mismatch", - "No Sequenced RTP version mismatch")); - offset += 1; - offset += 1; /* reserved */ - switch (operation_type) { - - case VRTP_OP_REQUEST: - requested_info = tvb_get_guint8(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 1, - "Requested Info: 0x%02x", - requested_info); - break; - - case VRTP_OP_UPDATE_RESPONSE: - info_type = tvb_get_guint8(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 1, - "Information Type: %s (0x%02x)", - val_to_str(info_type, - vines_rtp_info_type_vals, - "Unknown"), - info_type); - offset += 1; - control_flags = tvb_get_guint8(tvb, offset); - ti = proto_tree_add_text(vines_rtp_tree, tvb, - offset, 1, - "Control Flags: 0x%02x", - control_flags); - subtree = proto_item_add_subtree(ti, - ett_vines_rtp_control_flags); - proto_tree_add_text(subtree, tvb, - offset, 1, - decode_boolean_bitfield(control_flags, - 0x10, 1*8, - "Part of routing table synchronization broadcast", - "Not part of routing table synchronization broadcast")); - proto_tree_add_text(subtree, tvb, - offset, 1, - decode_boolean_bitfield(control_flags, - 0x08, 1*8, - "Part of full topology update", - "Not part of full topology update")); - proto_tree_add_text(subtree, tvb, - offset, 1, - decode_boolean_bitfield(control_flags, - 0x04, 1*8, - "Contains info specifically requested or network changes", - "Not a response to a specific request")); - /* XXX - need reassembly? */ - proto_tree_add_text(subtree, tvb, - offset, 1, - decode_boolean_bitfield(control_flags, - 0x02, 1*8, - "End of message", - "Not end of message")); - proto_tree_add_text(subtree, tvb, - offset, 1, - decode_boolean_bitfield(control_flags, - 0x01, 1*8, - "Beginning of message", - "Not beginning of message")); - offset += 1; - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 2, - "Packet ID: %u", - tvb_get_ntohs(tvb, offset)); - offset += 2; - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 2, - "Data Offset: %u", - tvb_get_ntohs(tvb, offset)); - offset += 2; - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 4, - "Router Sequence Number: %u", - tvb_get_ntohl(tvb, offset)); - offset += 4; - metric = tvb_get_ntohs(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 2, - "Metric: %u ticks (%g seconds)", - metric, metric*.2); - offset += 2; - while (tvb_reported_length_remaining(tvb, offset) > 0) { - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 4, - "Network Number: 0x%08x", - tvb_get_ntohl(tvb, offset)); - offset += 4; - metric = tvb_get_ntohs(tvb, offset); - if (metric == 0xffff) { - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 2, - "Neighbor Metric: Unreachable"); - } else { - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 2, - "Neighbor Metric: %u ticks (%g seconds)", - metric, metric*.2); - } - offset += 2; - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 4, - "Sequence Number: %u", - tvb_get_ntohl(tvb, offset)); - offset += 4; - rtp_show_flags(vines_rtp_tree, tvb, - offset, "Network"); - offset += 1; - offset += 1; /* reserved */ - } - break; - - case VRTP_OP_REDIRECT: - link_addr_length = tvb_get_guint8(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 1, - "Link Address Length: %u", - link_addr_length); - offset += 1; - source_route_length = tvb_get_guint8(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 1, - "Source Route Length: %u", - source_route_length); - offset += 1; - proto_tree_add_text(vines_rtp_tree, tvb, - offset, VINES_ADDR_LEN, - "Destination: %s", - vines_addr_to_str(tvb_get_ptr(tvb, offset, VINES_ADDR_LEN))); - offset += VINES_ADDR_LEN; - metric = tvb_get_ntohs(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 2, - "Metric to Destination: %u ticks (%g seconds)", - metric, metric*.2); - offset += 2; - node_type = tvb_get_guint8(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 1, - "Destination Node Type: %s (0x%02x)", - val_to_str(node_type, - vines_rtp_node_type_vals, - "Unknown"), - node_type); - offset += 1; - rtp_show_flags(vines_rtp_tree, tvb, - offset, "Destination"); - offset += 1; - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 4, - "Destination Sequence Number: %u", - tvb_get_ntohl(tvb, offset)); - offset += 4; - proto_tree_add_text(vines_rtp_tree, tvb, - offset, VINES_ADDR_LEN, - "Preferred Gateway: %s", - vines_addr_to_str(tvb_get_ptr(tvb, offset, VINES_ADDR_LEN))); - offset += VINES_ADDR_LEN; - metric = tvb_get_ntohs(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 2, - "Metric to Preferred Gateway: %u ticks (%g seconds)", - metric, metric*.2); - offset += 2; - node_type = tvb_get_guint8(tvb, offset); - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 1, - "Preferred Gateway Node Type: %s (0x%02x)", - val_to_str(node_type, - vines_rtp_node_type_vals, - "Unknown"), - node_type); - offset += 1; - rtp_show_flags(vines_rtp_tree, tvb, - offset, "Preferred Gateway"); - offset += 1; - proto_tree_add_text(vines_rtp_tree, tvb, - offset, 4, - "Preferred Gateway Sequence Number: %u", - tvb_get_ntohl(tvb, offset)); - offset += 4; - offset = rtp_show_gateway_info(vines_rtp_tree, - tvb,offset, link_addr_length, - source_route_length); - break; - - case VRTP_OP_REINITIALIZE: - break; - } - - } - } -} - -static void -rtp_show_machine_type(proto_tree *tree, tvbuff_t *tvb, int offset, char *tag) -{ - guint8 machine_type; - proto_item *ti; - proto_tree *subtree; - - machine_type = tvb_get_guint8(tvb, offset); - ti = proto_tree_add_text(tree, tvb, offset, 1, - "%s%sMachine Type: 0x%02x", - tag == NULL ? "" : tag, - tag == NULL ? "" : " ", - machine_type); - subtree = proto_item_add_subtree(ti, ett_vines_rtp_mtype); - proto_tree_add_text(subtree, tvb, offset, 1, - decode_boolean_bitfield(machine_type, 0x04, 1*8, - "Sequenced RTP supported", - "Sequenced RTP not supported")); - proto_tree_add_text(subtree, tvb, offset, 1, - decode_boolean_bitfield(machine_type, 0x02, 1*8, - "TCP/IP supported", - "TCP/IP not supported")); - proto_tree_add_text(subtree, tvb, offset, 1, - decode_boolean_bitfield(machine_type, 0x01, 1*8, - "Fast bus", - "Slow bus")); -} - -static void -rtp_show_flags(proto_tree *tree, tvbuff_t *tvb, int offset, char *tag) -{ - guint8 flags; - proto_item *ti; - proto_tree *flags_tree; - - flags = tvb_get_guint8(tvb, offset); - ti = proto_tree_add_text(tree, tvb, offset, 1, "%s Flags: 0x%02x", - tag, flags); - flags_tree = proto_item_add_subtree(ti, ett_vines_rtp_flags); - proto_tree_add_text(flags_tree, tvb, offset, 1, - decode_boolean_bitfield(flags, 0x08, 1*8, - "Network doesn't support Sequenced RTP", - "Network supports Sequenced RTP")); - proto_tree_add_text(flags_tree, tvb, offset, 1, - decode_boolean_bitfield(flags, 0x04, 1*8, - "Network accessed point-to-point on non-Vines network", - "Network not accessed point-to-point on non-Vines network")); - proto_tree_add_text(flags_tree, tvb, offset, 1, - decode_boolean_bitfield(flags, 0x02, 1*8, - "Data link to network uses point-to-point connection", - "Data link to network doesn't use point-to-point connection")); - proto_tree_add_text(flags_tree, tvb, offset, 1, - decode_boolean_bitfield(flags, 0x01, 1*8, - "Network accessed across broadcast medium", - "Network not accessed across broadcast medium")); -} - -static int -srtp_show_machine_info(proto_tree *tree, tvbuff_t *tvb, int offset, char *tag) -{ - guint16 metric; - guint8 node_type; - guint8 controller_type; - - proto_tree_add_text(tree, tvb, offset, VINES_ADDR_LEN, - "%s: %s", tag, - vines_addr_to_str(tvb_get_ptr(tvb, offset, VINES_ADDR_LEN))); - offset += VINES_ADDR_LEN; - metric = tvb_get_ntohs(tvb, offset); - proto_tree_add_text(tree, tvb, offset, 2, - "Metric to %s: %u ticks (%g seconds)", tag, metric, metric*.2); - offset += 2; - node_type = tvb_get_guint8(tvb, offset); - proto_tree_add_text(tree, tvb, offset, 1, - "%s Node Type: %s (0x%02x)", tag, - val_to_str(node_type, vines_rtp_node_type_vals, "Unknown"), - node_type); - offset += 1; - rtp_show_machine_type(tree, tvb, offset, tag); - offset += 1; - controller_type = tvb_get_guint8(tvb, offset); - proto_tree_add_text(tree, tvb, offset, 1, - "%s Controller Type: %s (0x%02x)", tag, - val_to_str(controller_type, vines_rtp_controller_type_vals, "Unknown"), - controller_type); - offset += 1; - return offset; -} - -static int -rtp_show_gateway_info(proto_tree *tree, tvbuff_t *tvb, int offset, - guint8 link_addr_length, guint8 source_route_length) -{ - if (link_addr_length != 0) { - proto_tree_add_text(tree, tvb, offset, link_addr_length, - "Preferred Gateway Data Link Address: %s", - link_addr_length == 6 ? - ether_to_str(tvb_get_ptr(tvb, offset, link_addr_length)) : - tvb_bytes_to_str(tvb, offset, link_addr_length)); - offset += link_addr_length; - } - if (source_route_length != 0) { - proto_tree_add_text(tree, tvb, offset, source_route_length, - "Preferred Gateway Source Route: %s", - tvb_bytes_to_str(tvb, offset, source_route_length)); - offset += source_route_length; - } - return offset; -} - -void -proto_register_vines_rtp(void) -{ - static gint *ett[] = { - &ett_vines_rtp, - &ett_vines_rtp_compatibility_flags, - &ett_vines_rtp_req_info, - &ett_vines_rtp_control_flags, - &ett_vines_rtp_mtype, - &ett_vines_rtp_flags, - }; - - proto_vines_rtp = proto_register_protocol( - "Banyan Vines RTP", "Vines RTP", "vines_rtp"); - proto_register_subtree_array(ett, array_length(ett)); -} - -void -proto_reg_handoff_vines_rtp(void) -{ - dissector_handle_t vines_rtp_handle; - - vines_rtp_handle = create_dissector_handle(dissect_vines_rtp, - proto_vines_rtp); - dissector_add("vines_ip.protocol", VIP_PROTO_RTP, vines_rtp_handle); -} - -#define VICP_EXCEPTION_NOTIFICATION 0x0000 -#define VICP_METRIC_NOTIFICATION 0x0001 - -static const value_string vines_icp_packet_type_vals[] = { - { VICP_EXCEPTION_NOTIFICATION, "Exception notification" }, - { VICP_METRIC_NOTIFICATION, "Metric notification" }, - { 0, NULL } -}; - -static void -dissect_vines_icp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) -{ - int offset = 0; - proto_tree *vines_icp_tree = NULL; - proto_item *ti; - guint16 packet_type; - guint16 exception_code; - guint16 metric; - gboolean save_in_error_pkt; - tvbuff_t *next_tvb; - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines ICP"); - if (check_col(pinfo->cinfo, COL_INFO)) - col_clear(pinfo->cinfo, COL_INFO); - - if (tree) { - ti = proto_tree_add_item(tree, proto_vines_icp, tvb, 0, -1, - FALSE); - vines_icp_tree = proto_item_add_subtree(ti, ett_vines_icp); - } - - packet_type = tvb_get_ntohs(tvb, offset); - if (check_col(pinfo->cinfo, COL_INFO)) { - col_add_str(pinfo->cinfo, COL_INFO, - val_to_str(packet_type, vines_icp_packet_type_vals, - "Unknown (0x%02x)")); - } - if (tree) { - proto_tree_add_text(vines_icp_tree, tvb, offset, 2, - "Packet Type: %s (0x%04x)", - val_to_str(packet_type, - vines_icp_packet_type_vals, - "Unknown"), - packet_type); - } - offset += 2; - - switch (packet_type) { - - case VICP_EXCEPTION_NOTIFICATION: - exception_code = tvb_get_ntohs(tvb, offset); - if (check_col(pinfo->cinfo, COL_INFO)) { - col_append_fstr(pinfo->cinfo, COL_INFO, ", %s", - val_to_str(exception_code, vipc_err_vals, - "Unknown exception code (%u)")); - } - if (tree) { - proto_tree_add_text(vines_icp_tree, tvb, offset, 2, - "Exception Code: %s (%u)", - val_to_str(exception_code, - vipc_err_vals, - "Unknown"), - exception_code); - } - break; - - case VICP_METRIC_NOTIFICATION: - metric = tvb_get_ntohs(tvb, offset); - if (check_col(pinfo->cinfo, COL_INFO)) { - col_append_fstr(pinfo->cinfo, COL_INFO, ", metric %u", - metric); - } - if (tree) { - proto_tree_add_text(vines_icp_tree, tvb, offset, 2, - "Metric: %u", metric); - } - break; - } - offset += 2; - - /* - * Save the current value of the "we're inside an error packet" - * flag, and set that flag; subdissectors may treat packets - * that are the payload of error packets differently from - * "real" packets. - */ - save_in_error_pkt = pinfo->in_error_pkt; - pinfo->in_error_pkt = TRUE; - - /* Decode the first 40 bytes of the original VIP datagram. */ - next_tvb = tvb_new_subset(tvb, offset, -1, -1); - call_dissector(vines_ip_handle, next_tvb, pinfo, vines_icp_tree); - - /* Restore the "we're inside an error packet" flag. */ - pinfo->in_error_pkt = save_in_error_pkt; -} - -void -proto_register_vines_icp(void) -{ - static gint *ett[] = { - &ett_vines_icp, - }; - - proto_vines_icp = proto_register_protocol( - "Banyan Vines ICP", "Vines ICP", "vines_icp"); - proto_register_subtree_array(ett, array_length(ett)); -} - -void -proto_reg_handoff_vines_icp(void) -{ - dissector_handle_t vines_icp_handle; - - vines_icp_handle = create_dissector_handle(dissect_vines_icp, - proto_vines_icp); - dissector_add("vines_ip.protocol", VIP_PROTO_ICP, vines_icp_handle); -} |