diff options
Diffstat (limited to 'epan/dissectors/asn1/h501/packet-h501-template.c')
-rw-r--r-- | epan/dissectors/asn1/h501/packet-h501-template.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/epan/dissectors/asn1/h501/packet-h501-template.c b/epan/dissectors/asn1/h501/packet-h501-template.c new file mode 100644 index 0000000000..f4ee5e2c50 --- /dev/null +++ b/epan/dissectors/asn1/h501/packet-h501-template.c @@ -0,0 +1,156 @@ +/* packet-h501.c + * Routines for H.501 packet dissection + * 2007 Tomas Kukosa + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" + +#include <epan/packet.h> +#include <epan/prefs.h> +#include <epan/oids.h> +#include <epan/asn1.h> + +#include "packet-tpkt.h" +#include "packet-per.h" +#include "packet-h225.h" +#include "packet-h235.h" + +#define PNAME "H.501 Mobility" +#define PSNAME "H.501" +#define PFNAME "h501" + +void proto_register_h501(void); + +/* Initialize the protocol and registered fields */ +static int proto_h501 = -1; +#include "packet-h501-hf.c" + +/* Initialize the subtree pointers */ +static int ett_h501 = -1; +#include "packet-h501-ett.c" + +/* Dissectors */ +static dissector_handle_t h501_pdu_handle; + +/* Preferences */ +static guint h501_udp_port = 2099; +static guint h501_tcp_port = 2099; +static gboolean h501_desegment_tcp = TRUE; + +void proto_reg_handoff_h501(void); + +#include "packet-h501-fn.c" + +static int +dissect_h501_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) +{ + proto_item *ti = NULL; + proto_tree *h501_tree = NULL; + + col_set_str(pinfo->cinfo, COL_PROTOCOL, PSNAME); + + ti = proto_tree_add_item(tree, proto_h501, tvb, 0, -1, ENC_NA); + h501_tree = proto_item_add_subtree(ti, ett_h501); + + return dissect_Message_PDU(tvb, pinfo, h501_tree, NULL); +} + +static int +dissect_h501_udp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) +{ + dissect_tpkt_encap(tvb, pinfo, tree, FALSE, h501_pdu_handle); + return tvb_captured_length(tvb); +} + +static int +dissect_h501_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) +{ + dissect_tpkt_encap(tvb, pinfo, tree, h501_desegment_tcp, h501_pdu_handle); + return tvb_captured_length(tvb); +} + +/*--- proto_register_h501 ----------------------------------------------*/ +void proto_register_h501(void) { + module_t *h501_module; + + /* List of fields */ + static hf_register_info hf[] = { +#include "packet-h501-hfarr.c" + }; + + /* List of subtrees */ + static gint *ett[] = { + &ett_h501, +#include "packet-h501-ettarr.c" + }; + + /* Register protocol */ + proto_h501 = proto_register_protocol(PNAME, PSNAME, PFNAME); + + /* Register fields and subtrees */ + proto_register_field_array(proto_h501, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + register_dissector(PFNAME, dissect_h501_pdu, proto_h501); + + h501_module = prefs_register_protocol(proto_h501, proto_reg_handoff_h501); + prefs_register_uint_preference(h501_module, "udp.port", + "UDP port", + "Port to be decoded as h501", + 10, &h501_udp_port); + prefs_register_uint_preference(h501_module, "tcp.port", + "TCP port", + "Port to be decoded as h501", + 10, &h501_tcp_port); + prefs_register_bool_preference(h501_module, "desegment", + "Desegment H.501 over TCP", + "Desegment H.501 messages that span more TCP segments", + &h501_desegment_tcp); + +} + +/*--- proto_reg_handoff_h501 -------------------------------------------*/ +void proto_reg_handoff_h501(void) +{ + static gboolean h501_prefs_initialized = FALSE; + static dissector_handle_t h501_udp_handle; + static dissector_handle_t h501_tcp_handle; + static guint saved_h501_udp_port; + static guint saved_h501_tcp_port; + + if (!h501_prefs_initialized) { + h501_pdu_handle = find_dissector(PFNAME); + h501_udp_handle = create_dissector_handle(dissect_h501_udp, proto_h501); + h501_tcp_handle = create_dissector_handle(dissect_h501_tcp, proto_h501); + h501_prefs_initialized = TRUE; + } else { + dissector_delete_uint("udp.port", saved_h501_udp_port, h501_udp_handle); + dissector_delete_uint("tcp.port", saved_h501_tcp_port, h501_tcp_handle); + } + + /* Set our port number for future use */ + saved_h501_udp_port = h501_udp_port; + dissector_add_uint("udp.port", saved_h501_udp_port, h501_udp_handle); + saved_h501_tcp_port = h501_tcp_port; + dissector_add_uint("tcp.port", saved_h501_tcp_port, h501_tcp_handle); + +} + |