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/* packet-nettl.c
* Routines for nettl (HP-UX) record header dissection
*
* Original Author Mark C. Brown <mbrown@hp.com>
* Copyright (C) 2005 Hewlett-Packard Development Company, L.P.
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* Copied from packet-pagp.c
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/ipproto.h>
#include <wiretap/nettl.h>
void proto_register_nettl(void);
void proto_reg_handoff_nettl(void);
/* Initialize the protocol and registered fields */
static int proto_nettl;
static int hf_nettl_subsys;
static int hf_nettl_devid;
static int hf_nettl_kind;
static int hf_nettl_pid;
static int hf_nettl_uid;
static dissector_handle_t nettl_handle;
static dissector_handle_t eth_withoutfcs_handle;
static dissector_handle_t tr_handle;
static dissector_handle_t fddi_bitswapped_handle;
static dissector_handle_t lapb_handle;
static dissector_handle_t x25_handle;
static dissector_handle_t sctp_handle;
static dissector_handle_t raw_ip_handle;
static dissector_table_t ip_proto_dissector_table;
static dissector_table_t tcp_subdissector_table;
#define TCP_PORT_TELNET 23
/* Initialize the subtree pointers */
static int ett_nettl;
/* General declarations and macros */
static const value_string trace_kind[] = {
{ 0x80000000, "Incoming Header" },
{ 0x40000000, "Outgoing Header" },
{ 0x20000000, "Incoming PDU - PDUIN" },
{ 0x10000000, "Outgoing PDU - PDUOUT" },
{ 0x08000000, "Procedure Trace" },
{ 0x04000000, "State Trace" },
{ 0x02000000, "Error Trace" },
{ 0x01000000, "Logging" },
{ 0x00800000, "Loopback" },
{ 0, NULL }
};
static const value_string subsystem[] = {
{ 0, "NS_LS_LOGGING" },
{ 1, "NS_LS_NFT" },
{ 2, "NS_LS_LOOPBACK" },
{ 3, "NS_LS_NI" },
{ 4, "NS_LS_IPC" },
{ 5, "NS_LS_SOCKREGD" },
{ 6, "NS_LS_TCP" },
{ 7, "NS_LS_PXP" },
{ 8, "NS_LS_UDP" },
{ 9, "NS_LS_IP" },
{ 10, "NS_LS_PROBE" },
{ 11, "NS_LS_DRIVER" },
{ 12, "NS_LS_RLBD" },
{ 13, "NS_LS_BUFS" },
{ 14, "NS_LS_CASE21" },
{ 15, "NS_LS_ROUTER21" },
{ 16, "NS_LS_NFS" },
{ 17, "NS_LS_NETISR" },
{ 18, "NS_LS_X25D" },
{ 19, "NS_LS_NSE" },
{ 20, "NS_LS_STRLOG" },
{ 21, "NS_LS_TIRDWR" },
{ 22, "NS_LS_TIMOD" },
{ 23, "NS_LS_ICMP" },
{ 24, "X25L2" },
{ 25, "X25L3" },
{ 26, "FILTER" },
{ 27, "NAME" },
{ 28, "ACC" },
{ 29, "NS_LS_IGMP" },
{ 31, "TOKEN" },
{ 32, "HIPPI" },
{ 33, "EISA_FC" },
{ 34, "SX25L2" },
{ 35, "SX25L3" },
{ 36, "NS_LS_SX25" },
{ 37, "100VG" },
{ 38, "EISA_ATM" },
{ 39, "SEAH_FDDI" },
{ 40, "TELECOM_HLR" },
{ 41, "TELECOM_SCE" },
{ 42, "TELECOM_SMS" },
{ 43, "TELECOM_NEM" },
{ 50, "FORE_ATM" },
{ 60, "TMOS_TOB" },
{ 62, "TELECOM_SCP" },
{ 63, "TELECOM_SS7" },
{ 64, "FTAM_INIT" },
{ 65, "FTAM_RESP" },
{ 70, "FTAM_VFS" },
{ 72, "FTAM_USER" },
{ 82, "OVS" },
{ 84, "OVEXTERNAL" },
{ 90, "OTS9000" },
{ 91, "OTS9000-NETWORK" },
{ 92, "OTS9000-TRANSPORT" },
{ 93, "OTS9000-SESSION" },
{ 94, "OTS9000-ACSE_PRES" },
{ 95, "FDDI" },
{ 116, "SHM" },
{ 119, "ACSE_US" },
{ 121, "HPS" },
{ 122, "CM" },
{ 123, "ULA_UTILS" },
{ 124, "EM" },
{ 129, "STREAMS" },
{ 164, "LAN100" },
{ 172, "EISA100BT" },
{ 173, "BASE100" },
{ 174, "EISA_FDDI" },
{ 176, "PCI_FDDI" },
{ 177, "HSC_FDDI" },
{ 178, "GSC100BT" },
{ 179, "PCI100BT" },
{ 180, "SPP100BT" },
{ 181, "GLE" },
{ 182, "FQE" },
{ 185, "GELAN" },
{ 187, "PCITR" },
{ 188, "HP_APA" },
{ 189, "HP_APAPORT" },
{ 190, "HP_APALACP" },
{ 210, "BTLAN" },
{ 233, "INTL100" },
{ 244, "NS_LS_IPV6" },
{ 245, "NS_LS_ICMPV6" },
{ 246, "DLPI" },
{ 247, "VLAN" },
{ 249, "NS_LS_LOOPBACK6" },
{ 250, "DHCPV6D" },
{ 252, "IGELAN" },
{ 253, "IETHER" },
{ 257, "WBEMProvider-LAN" },
{ 258, "SYSADMIN" },
{ 264, "LVMPROVIDER" },
{ 265, "IXGBE" },
{ 267, "NS_LS_TELNET" },
{ 268, "NS_LS_SCTP" },
{ 269, "HSSN" },
{ 270, "IGSSN" },
{ 271, "ICXGBE" },
{ 275, "IEXGBE" },
{ 277, "IOCXGBE" },
{ 278, "IQXGBE" },
{ 513, "KL_VM" },
{ 514, "KL_PKM" },
{ 515, "KL_DLKM" },
{ 516, "KL_PM" },
{ 517, "KL_VFS" },
{ 518, "KL_VXFS" },
{ 519, "KL_UFS" },
{ 520, "KL_NFS" },
{ 521, "KL_FSVM" },
{ 522, "KL_WSIO" },
{ 523, "KL_SIO" },
{ 524, "KL_NET" },
{ 525, "KL_MC" },
{ 526, "KL_DYNTUNE" },
{ 527, "KL_KEN" },
{ 0, NULL }
};
static value_string_ext subsystem_ext = VALUE_STRING_EXT_INIT(subsystem);
/* Code to actually dissect the nettl record headers */
static int
dissect_nettl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
if (tree) {
proto_tree *nettl_tree;
proto_item *nettl_item;
nettl_item = proto_tree_add_protocol_format(tree, proto_nettl, tvb,
0, -1, "HP-UX Network Tracing and Logging (nettl) header");
nettl_tree = proto_item_add_subtree(nettl_item, ett_nettl);
proto_tree_add_uint_format_value(nettl_tree, hf_nettl_subsys, tvb,
0, 0, pinfo->pseudo_header->nettl.subsys, "%d (%s)",
pinfo->pseudo_header->nettl.subsys,
val_to_str_ext_const(pinfo->pseudo_header->nettl.subsys, &subsystem_ext, "Unknown"));
proto_tree_add_int(nettl_tree, hf_nettl_devid, tvb,
0, 0, pinfo->pseudo_header->nettl.devid);
proto_tree_add_uint_format_value(nettl_tree, hf_nettl_kind, tvb,
0, 0, pinfo->pseudo_header->nettl.kind,
"0x%08x (%s)", pinfo->pseudo_header->nettl.kind,
val_to_str_const(pinfo->pseudo_header->nettl.kind & ~NETTL_HDR_SUBSYSTEM_BITS_MASK, trace_kind, "Unknown"));
proto_tree_add_int(nettl_tree, hf_nettl_pid, tvb,
0, 0, pinfo->pseudo_header->nettl.pid);
proto_tree_add_uint(nettl_tree, hf_nettl_uid, tvb,
0, 0, pinfo->pseudo_header->nettl.uid);
}
switch (pinfo->rec->rec_header.packet_header.pkt_encap) {
case WTAP_ENCAP_NETTL_ETHERNET:
call_dissector(eth_withoutfcs_handle, tvb, pinfo, tree);
break;
case WTAP_ENCAP_NETTL_TOKEN_RING:
call_dissector(tr_handle, tvb, pinfo, tree);
break;
case WTAP_ENCAP_NETTL_FDDI:
call_dissector(fddi_bitswapped_handle, tvb, pinfo, tree);
break;
case WTAP_ENCAP_NETTL_RAW_IP:
if ( (pinfo->pseudo_header->nettl.kind & NETTL_HDR_PDU_MASK) == 0 )
/* not actually a data packet (PDU) trace record */
call_data_dissector(tvb, pinfo, tree);
else if (pinfo->pseudo_header->nettl.subsys == NETTL_SUBSYS_NS_LS_SCTP )
call_dissector(sctp_handle, tvb, pinfo, tree);
else
call_dissector(raw_ip_handle, tvb, pinfo, tree);
break;
case WTAP_ENCAP_NETTL_RAW_ICMP:
if (!dissector_try_uint(ip_proto_dissector_table,
IP_PROTO_ICMP, tvb, pinfo, tree))
call_data_dissector(tvb, pinfo, tree);
break;
case WTAP_ENCAP_NETTL_RAW_ICMPV6:
if (!dissector_try_uint(ip_proto_dissector_table,
IP_PROTO_ICMPV6, tvb, pinfo, tree))
call_data_dissector(tvb, pinfo, tree);
break;
case WTAP_ENCAP_NETTL_X25:
if (pinfo->pseudo_header->nettl.kind == NETTL_HDR_PDUIN)
pinfo->p2p_dir = P2P_DIR_RECV;
else if (pinfo->pseudo_header->nettl.kind == NETTL_HDR_PDUOUT)
pinfo->p2p_dir = P2P_DIR_SENT;
if (pinfo->pseudo_header->nettl.subsys == NETTL_SUBSYS_SX25L2)
call_dissector(lapb_handle, tvb, pinfo, tree);
else
call_dissector(x25_handle, tvb, pinfo, tree);
break;
case WTAP_ENCAP_NETTL_RAW_TELNET:
if (!dissector_try_uint(tcp_subdissector_table,
TCP_PORT_TELNET, tvb, pinfo, tree))
call_data_dissector(tvb, pinfo, tree);
break;
default:
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UNKNOWN");
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported nettl subsystem: %d (%s)",
pinfo->pseudo_header->nettl.subsys,
val_to_str_ext_const(pinfo->pseudo_header->nettl.subsys, &subsystem_ext, "Unknown"));
call_data_dissector(tvb, pinfo, tree);
}
return tvb_captured_length(tvb);
}
/* Register the protocol with Wireshark */
void
proto_register_nettl(void)
{
/* Setup list of header fields */
static hf_register_info hf[] = {
{ &hf_nettl_subsys,
{ "Subsystem", "nettl.subsys", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &subsystem_ext, 0x0,
"HP-UX Subsystem/Driver", HFILL }},
{ &hf_nettl_devid,
{ "Device ID", "nettl.devid", FT_INT32, BASE_DEC, NULL, 0x0,
"HP-UX Device ID", HFILL }},
{ &hf_nettl_kind,
{ "Trace Kind", "nettl.kind", FT_UINT32, BASE_HEX, VALS(trace_kind), 0x0,
"HP-UX Trace record kind", HFILL}},
{ &hf_nettl_pid,
{ "Process ID (pid/ktid)", "nettl.pid", FT_INT32, BASE_DEC, NULL, 0x0,
"HP-UX Process/thread id", HFILL}},
{ &hf_nettl_uid,
{ "User ID (uid)", "nettl.uid", FT_UINT32, BASE_DEC, NULL, 0x0,
"HP-UX User ID", HFILL}}
};
/* Setup protocol subtree array */
static int *ett[] = {
&ett_nettl
};
/* Register the protocol name and description */
proto_nettl = proto_register_protocol("HP-UX Network Tracing and Logging", "nettl", "nettl");
nettl_handle = register_dissector("nettl", dissect_nettl, proto_nettl);
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_nettl, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_nettl(void)
{
/*
* Get handles for various dissectors and dissector tables.
*/
eth_withoutfcs_handle = find_dissector_add_dependency("eth_withoutfcs", proto_nettl);
tr_handle = find_dissector_add_dependency("tr", proto_nettl);
fddi_bitswapped_handle = find_dissector_add_dependency("fddi_bitswapped", proto_nettl);
lapb_handle = find_dissector_add_dependency("lapb", proto_nettl);
x25_handle = find_dissector_add_dependency("x.25", proto_nettl);
sctp_handle = find_dissector_add_dependency("sctp", proto_nettl);
raw_ip_handle = find_dissector_add_dependency("raw_ip", proto_nettl);
ip_proto_dissector_table = find_dissector_table("ip.proto");
tcp_subdissector_table = find_dissector_table("tcp.port");
dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_ETHERNET, nettl_handle);
dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_TOKEN_RING, nettl_handle);
dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_FDDI, nettl_handle);
dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_RAW_IP, nettl_handle);
dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_RAW_ICMP, nettl_handle);
dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_RAW_ICMPV6, nettl_handle);
dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_RAW_TELNET, nettl_handle);
dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_X25, nettl_handle);
dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_UNKNOWN, nettl_handle);
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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