X-Git-Url: http://git.samba.org/samba.git/?a=blobdiff_plain;f=packet-cgmp.c;h=433ee1792a2a510f693625f294ce535884fad82a;hb=eab86116e5878e57305dc3cbf175d16e1e5eb236;hp=f07a6908fdac7dc8d1c052b3e32f8a8f27133c34;hpb=440ef004079fdbe25a7b374d505616250f1912c9;p=obnox%2Fwireshark%2Fwip.git diff --git a/packet-cgmp.c b/packet-cgmp.c index f07a6908fd..433ee1792a 100644 --- a/packet-cgmp.c +++ b/packet-cgmp.c @@ -1,39 +1,34 @@ /* packet-cgmp.c * Routines for the disassembly of the Cisco Group Management Protocol * - * $Id: packet-cgmp.c,v 1.1 2000/02/05 05:54:15 guy Exp $ + * $Id: packet-cgmp.c,v 1.17 2002/08/28 21:00:08 jmayer Exp $ * * Ethereal - Network traffic analyzer - * By Gerald Combs + * By Gerald Combs * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "config.h" -#ifdef HAVE_SYS_TYPES_H -#include -#endif +#include "config.h" #include #include #include -#include "packet.h" +#include /* * See @@ -57,47 +52,45 @@ static const value_string type_vals[] = { { 1, "Leave" }, { 0, NULL }, }; - -void -dissect_cgmp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) + +static void +dissect_cgmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { - proto_item *ti; + proto_item *ti; proto_tree *cgmp_tree = NULL; + int offset = 0; guint8 count; - if (check_col(fd, COL_PROTOCOL)) - col_add_str(fd, COL_PROTOCOL, "CGMP"); - if (check_col(fd, COL_INFO)) - col_add_str(fd, COL_INFO, "Cisco Group Management Protocol"); + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "CGMP"); + if (check_col(pinfo->cinfo, COL_INFO)) + col_set_str(pinfo->cinfo, COL_INFO, "Cisco Group Management Protocol"); if (tree) { - ti = proto_tree_add_item(tree, proto_cgmp, offset, END_OF_FRAME, NULL); + ti = proto_tree_add_item(tree, proto_cgmp, tvb, offset, -1, + FALSE); cgmp_tree = proto_item_add_subtree(ti, ett_cgmp); - - proto_tree_add_item(cgmp_tree, hf_cgmp_version, offset, 1, - pd[offset]); - proto_tree_add_item(cgmp_tree, hf_cgmp_type, offset, 1, - pd[offset]); + + proto_tree_add_item(cgmp_tree, hf_cgmp_version, tvb, offset, 1, + FALSE); + proto_tree_add_item(cgmp_tree, hf_cgmp_type, tvb, offset, 1, + FALSE); offset += 1; offset += 2; /* skip reserved field */ - count = pd[offset]; - proto_tree_add_item(cgmp_tree, hf_cgmp_count, offset, 1, + count = tvb_get_guint8(tvb, offset); + proto_tree_add_uint(cgmp_tree, hf_cgmp_count, tvb, offset, 1, count); offset += 1; while (count != 0) { - if (!BYTES_ARE_IN_FRAME(offset, 6)) - break; - proto_tree_add_item(cgmp_tree, hf_cgmp_gda, offset, 6, - &pd[offset]); + proto_tree_add_item(cgmp_tree, hf_cgmp_gda, tvb, offset, 6, + FALSE); offset += 6; - if (!BYTES_ARE_IN_FRAME(offset, 6)) - break; - proto_tree_add_item(cgmp_tree, hf_cgmp_usa, offset, 6, - &pd[offset]); + proto_tree_add_item(cgmp_tree, hf_cgmp_usa, tvb, offset, 6, + FALSE); offset += 6; count--; @@ -111,29 +104,40 @@ proto_register_cgmp(void) static hf_register_info hf[] = { { &hf_cgmp_version, { "Version", "cgmp.version", FT_UINT8, BASE_DEC, NULL, 0xF0, - "" }}, + "", HFILL }}, { &hf_cgmp_type, { "Type", "cgmp.type", FT_UINT8, BASE_DEC, VALS(type_vals), 0x0F, - "" }}, + "", HFILL }}, { &hf_cgmp_count, { "Count", "cgmp.count", FT_UINT8, BASE_DEC, NULL, 0x0, - "" }}, + "", HFILL }}, { &hf_cgmp_gda, { "Group Destination Address", "cgmp.gda", FT_ETHER, BASE_NONE, NULL, 0x0, - "Group Destination Address" }}, + "Group Destination Address", HFILL }}, { &hf_cgmp_usa, { "Unicast Source Address", "cgmp.usa", FT_ETHER, BASE_NONE, NULL, 0x0, - "Unicast Source Address" }}, + "Unicast Source Address", HFILL }}, }; static gint *ett[] = { &ett_cgmp, }; - proto_cgmp = proto_register_protocol("Cisco Group Management Protocol", "cgmp"); + proto_cgmp = proto_register_protocol("Cisco Group Management Protocol", + "CGMP", "cgmp"); proto_register_field_array(proto_cgmp, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); } + +void +proto_reg_handoff_cgmp(void) +{ + dissector_handle_t cgmp_handle; + + cgmp_handle = create_dissector_handle(dissect_cgmp, proto_cgmp); + dissector_add("llc.cisco_pid", 0x2001, cgmp_handle); + dissector_add("ethertype", 0x2001, cgmp_handle); +}