forked from osmocom/wireshark
157 lines
4.6 KiB
C
157 lines
4.6 KiB
C
/* packet-ipnet.c
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* Routines for decoding Solaris IPNET packet disassembly
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/aftypes.h>
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#include <wiretap/wtap.h>
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void proto_register_ipnet(void);
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void proto_reg_handoff_ipnet(void);
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static int proto_ipnet = -1;
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static int hf_version = -1;
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static int hf_family = -1;
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static int hf_htype = -1;
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static int hf_pktlen = -1;
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static int hf_ifindex = -1;
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static int hf_grifindex = -1;
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static int hf_zsrc = -1;
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static int hf_zdst = -1;
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static gint ett_raw = -1;
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static dissector_handle_t ipnet_handle;
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static dissector_handle_t ip_handle;
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static dissector_handle_t ipv6_handle;
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static const value_string solaris_family_vals[] = {
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{ SOLARIS_AF_INET, "Solaris AF_INET" },
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{ SOLARIS_AF_INET6, "Solaris AF_INET6" },
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{ 0, NULL }
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};
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static const value_string htype_vals[] = {
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{ 0, "Inbound" },
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{ 1, "Outbound" },
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{ 2, "Local" },
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{ 0, NULL }
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};
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static int
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dissect_ipnet(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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proto_tree *fh_tree;
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proto_item *ti;
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tvbuff_t *next_tvb;
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guint32 pktlen;
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guint8 family;
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/* load the top pane info. This should be overwritten by
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the next protocol in the stack */
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPNET");
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col_set_str(pinfo->cinfo, COL_INFO, "Solaris IPNET");
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/* populate a tree in the second pane with the IPNET header data */
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if(tree) {
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ti = proto_tree_add_item (tree, proto_ipnet, tvb, 0, 24, ENC_NA);
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fh_tree = proto_item_add_subtree(ti, ett_raw);
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proto_tree_add_item(fh_tree, hf_version, tvb, 0, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(fh_tree, hf_family, tvb, 1, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(fh_tree, hf_htype, tvb, 2, 2, ENC_BIG_ENDIAN);
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proto_tree_add_item(fh_tree, hf_pktlen, tvb, 4, 4, ENC_BIG_ENDIAN);
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proto_tree_add_item(fh_tree, hf_ifindex, tvb, 8, 4, ENC_BIG_ENDIAN);
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proto_tree_add_item(fh_tree, hf_grifindex, tvb, 12, 4, ENC_BIG_ENDIAN);
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proto_tree_add_item(fh_tree, hf_zsrc, tvb, 16, 4, ENC_BIG_ENDIAN);
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proto_tree_add_item(fh_tree, hf_zdst, tvb, 20, 4, ENC_BIG_ENDIAN);
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}
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pktlen = tvb_get_ntohl(tvb, 4);
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next_tvb = tvb_new_subset_remaining(tvb, tvb_captured_length(tvb) - pktlen);
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family = tvb_get_guint8(tvb, 1);
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switch (family) {
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case SOLARIS_AF_INET:
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call_dissector(ip_handle, next_tvb, pinfo, tree);
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break;
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case SOLARIS_AF_INET6:
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call_dissector(ipv6_handle, next_tvb, pinfo, tree);
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break;
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default:
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break;
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}
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return tvb_captured_length(tvb);
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}
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void
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proto_register_ipnet(void)
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{
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static hf_register_info hf[] = {
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{ &hf_version, { "Header version", "ipnet.version",
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FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_family, { "Address family", "ipnet.family",
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FT_UINT8, BASE_DEC, VALS(solaris_family_vals), 0x0, NULL, HFILL }},
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{ &hf_htype, { "Hook type", "ipnet.htype",
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FT_UINT16, BASE_DEC, VALS(htype_vals), 0x0, NULL, HFILL }},
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{ &hf_pktlen, { "Data length", "ipnet.pktlen",
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FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_ifindex, { "Interface index", "ipnet.ifindex",
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FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_grifindex, { "Group interface index", "ipnet.grifindex",
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FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_zsrc, { "Source Zone ID", "ipnet.zsrc",
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FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_zdst, { "Destination Zone ID", "ipnet.zdst",
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FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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};
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static gint *ett[] = {
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&ett_raw,
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};
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proto_ipnet = proto_register_protocol("Solaris IPNET", "IPNET", "ipnet");
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proto_register_field_array(proto_ipnet, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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ipnet_handle = register_dissector("ipnet", dissect_ipnet, proto_ipnet);
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}
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void
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proto_reg_handoff_ipnet(void)
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{
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/*
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* Get handles for the IP and IPv6 dissectors.
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*/
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ip_handle = find_dissector_add_dependency("ip", proto_ipnet);
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ipv6_handle = find_dissector_add_dependency("ipv6", proto_ipnet);
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dissector_add_uint("wtap_encap", WTAP_ENCAP_IPNET, ipnet_handle);
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}
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local Variables:
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* c-basic-offset: 2
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=2 tabstop=8 expandtab:
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* :indentSize=2:tabSize=8:noTabs=true:
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*/
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