forked from osmocom/wireshark
2eb7b05b8c
Similar to the "tcp.port" changes in I99604f95d426ad345f4b494598d94178b886eb67, convert dissectors that use "udp.port". More cleanup done on dissectors that use both TCP and UDP dissector tables, so that less preference callbacks exist. Change-Id: If07be9b9e850c244336a7069599cd554ce312dd3 Reviewed-on: https://code.wireshark.org/review/18120 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/* packet-pulse.c
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* Routines for pulse dissection
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* Copyright 2013, Masatake YAMATO <yamato@redhat.com>
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* Copyright 2013, Red Hat, Inc.
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/* About pulse, see
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http://sourceware.org/piranha/ */
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# include "config.h"
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#include <epan/packet.h>
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#define PORT_PULSE 539 /* Not IANA registered */
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void proto_register_pulse(void);
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void proto_reg_handoff_pulse(void);
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static int proto_pulse = -1;
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static int hf_pulse_magic = -1;
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static gint ett_pulse = -1;
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/* piranha/pulse.c */
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#define PULSE_HEARTBEAT_RUNNING_MAGIC 0xbdaddbda
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#define PULSE_HEARTBEAT_STOPPED_MAGIC 0xadbddabd
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static const value_string pulse_magic_type[] = {
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{ PULSE_HEARTBEAT_RUNNING_MAGIC, "running" },
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{ PULSE_HEARTBEAT_STOPPED_MAGIC, "stopped" },
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{ 0, NULL }
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};
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static int
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dissect_pulse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data _U_)
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{
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proto_item *item;
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proto_tree *tree;
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guint32 magic;
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const char* magic_str;
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guint little_endian;
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if (tvb_captured_length(tvb) < 4)
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return 0;
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/* Try to read MAGIC in both endians */
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little_endian = ENC_LITTLE_ENDIAN;
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magic = tvb_get_letohl(tvb, 0);
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magic_str = try_val_to_str(magic, pulse_magic_type);
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if (magic_str == NULL) {
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magic = tvb_get_ntohl(tvb, 0);
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magic_str = try_val_to_str(magic, pulse_magic_type);
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if (magic_str == NULL) {
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return 0;
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}
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little_endian = ENC_BIG_ENDIAN;
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}
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "PULSE");
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col_set_str(pinfo->cinfo, COL_INFO, magic_str);
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if (parent_tree) {
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item = proto_tree_add_item(parent_tree, proto_pulse, tvb, 0,
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-1, little_endian);
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tree = proto_item_add_subtree(item, ett_pulse);
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proto_tree_add_item(tree, hf_pulse_magic, tvb, 0, 4, little_endian);
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}
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return 4;
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}
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void
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proto_register_pulse(void)
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{
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static hf_register_info hf[] = {
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{ &hf_pulse_magic,
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{ "Magic", "pulse.magic",
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FT_UINT32, BASE_HEX, VALS(pulse_magic_type), 0x0,
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NULL, HFILL }},
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};
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static gint *ett[] = {
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&ett_pulse,
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};
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proto_pulse = proto_register_protocol("PULSE protocol for Linux Virtual Server redundancy", "PULSE", "pulse");
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proto_register_field_array(proto_pulse, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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void
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proto_reg_handoff_pulse(void)
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{
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dissector_handle_t pulse_handle;
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pulse_handle = create_dissector_handle(dissect_pulse, proto_pulse);
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dissector_add_uint_with_preference("udp.port", PORT_PULSE, pulse_handle);
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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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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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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