![Michael Mann](/assets/img/avatar_default.png)
I didn't realize how expansive this change would be, so committing it now before replacing the pinfo->private_data, so if something needs to be reverted, all of this is not lost. svn path=/trunk/; revision=53213
207 lines
5.7 KiB
C
207 lines
5.7 KiB
C
/* packet-bootparams.c
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* Routines for bootparams dissection
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*
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* $Id$
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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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* Copied from packet-smb.c
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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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#include "config.h"
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#include <glib.h>
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#include "packet-rpc.h"
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#define BOOTPARAMSPROC_NULL 0
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#define BOOTPARAMSPROC_WHOAMI 1
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#define BOOTPARAMSPROC_GETFILE 2
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#define BOOTPARAMS_PROGRAM 100026
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void proto_register_bootparams(void);
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void proto_reg_handoff_bootparams(void);
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static int proto_bootparams = -1;
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static int hf_bootparams_procedure_v1 = -1;
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static int hf_bootparams_host = -1;
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static int hf_bootparams_domain = -1;
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static int hf_bootparams_fileid = -1;
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static int hf_bootparams_filepath = -1;
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static int hf_bootparams_hostaddr = -1;
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static int hf_bootparams_routeraddr = -1;
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static int hf_bootparams_addresstype = -1;
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static gint ett_bootparams = -1;
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static const value_string addr_type[] =
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{
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{ 1, "IPv4-ADDR" },
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{ 0, NULL }
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};
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static int
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dissect_bp_address(tvbuff_t *tvb, int offset, proto_tree *tree, int hfindex)
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{
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guint32 type;
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guint32 ipaddr;
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type = tvb_get_ntohl(tvb, offset);
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offset = dissect_rpc_uint32(tvb, tree, hf_bootparams_addresstype, offset);
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switch(type){
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case 1:
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ipaddr = ((tvb_get_guint8(tvb, offset+3 )&0xff)<<24)
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|((tvb_get_guint8(tvb, offset+7 )&0xff)<<16)
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|((tvb_get_guint8(tvb, offset+11)&0xff)<<8 )
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|((tvb_get_guint8(tvb, offset+15)&0xff) );
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proto_tree_add_ipv4(tree, hfindex, tvb,
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offset, 16, g_ntohl(ipaddr));
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offset += 16;
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break;
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default:
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break;
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}
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return offset;
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}
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static int
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dissect_getfile_call(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
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{
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if ( tree )
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{
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offset = dissect_rpc_string(tvb, tree, hf_bootparams_host, offset, NULL);
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offset = dissect_rpc_string(tvb, tree, hf_bootparams_fileid, offset, NULL);
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}
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return offset;
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}
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static int
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dissect_getfile_reply(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
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{
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if ( tree )
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{
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offset = dissect_rpc_string(tvb, tree, hf_bootparams_host, offset, NULL);
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offset = dissect_bp_address(tvb, offset, tree, hf_bootparams_hostaddr);
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offset = dissect_rpc_string(tvb, tree, hf_bootparams_filepath, offset, NULL);
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}
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return offset;
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}
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static int
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dissect_whoami_call(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
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{
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if ( tree )
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{
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offset = dissect_bp_address(tvb, offset, tree, hf_bootparams_hostaddr);
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}
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return offset;
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}
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static int
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dissect_whoami_reply(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
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{
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if ( tree )
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{
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offset = dissect_rpc_string(tvb, tree, hf_bootparams_host, offset, NULL);
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offset = dissect_rpc_string(tvb, tree, hf_bootparams_domain, offset, NULL);
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offset = dissect_bp_address(tvb, offset, tree, hf_bootparams_routeraddr);
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}
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return offset;
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}
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/* proc number, "proc name", dissect_request, dissect_reply */
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/* NULL as function pointer means: type of arguments is "void". */
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static const vsff bootparams1_proc[] = {
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{ BOOTPARAMSPROC_NULL, "NULL",
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NULL, NULL },
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{ BOOTPARAMSPROC_WHOAMI, "WHOAMI",
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dissect_whoami_call, dissect_whoami_reply },
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{ BOOTPARAMSPROC_GETFILE, "GETFILE",
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dissect_getfile_call, dissect_getfile_reply },
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{ 0, NULL, NULL, NULL }
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};
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/* end of Bootparams version 1 */
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static const value_string bootparams1_proc_vals[] = {
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{ BOOTPARAMSPROC_NULL, "NULL" },
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{ BOOTPARAMSPROC_WHOAMI, "WHOAMI" },
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{ BOOTPARAMSPROC_GETFILE, "GETFILE" },
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{ 0, NULL }
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};
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void
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proto_register_bootparams(void)
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{
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static hf_register_info hf[] = {
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{ &hf_bootparams_procedure_v1, {
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"V1 Procedure", "bootparams.procedure_v1", FT_UINT32, BASE_DEC,
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VALS(bootparams1_proc_vals), 0, NULL, HFILL }},
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{ &hf_bootparams_host, {
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"Client Host", "bootparams.host", FT_STRING, BASE_NONE,
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NULL, 0, NULL, HFILL }},
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{ &hf_bootparams_domain, {
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"Client Domain", "bootparams.domain", FT_STRING, BASE_NONE,
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NULL, 0, NULL, HFILL }},
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{ &hf_bootparams_fileid, {
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"File ID", "bootparams.fileid", FT_STRING, BASE_NONE,
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NULL, 0, NULL, HFILL }},
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{ &hf_bootparams_filepath, {
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"File Path", "bootparams.filepath", FT_STRING, BASE_NONE,
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NULL, 0, NULL, HFILL }},
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{ &hf_bootparams_hostaddr, {
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"Client Address", "bootparams.hostaddr", FT_IPv4, BASE_NONE,
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NULL, 0, "Address", HFILL }},
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{ &hf_bootparams_routeraddr, {
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"Router Address", "bootparams.routeraddr", FT_IPv4, BASE_NONE,
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NULL, 0, NULL, HFILL }},
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{ &hf_bootparams_addresstype, {
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"Address Type", "bootparams.type", FT_UINT32, BASE_DEC,
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VALS(addr_type), 0, NULL, HFILL }},
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};
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static gint *ett[] = {
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&ett_bootparams,
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};
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proto_bootparams = proto_register_protocol("Boot Parameters",
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"BOOTPARAMS", "bootparams");
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proto_register_field_array(proto_bootparams, 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_bootparams(void)
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{
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/* Register the protocol as RPC */
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rpc_init_prog(proto_bootparams, BOOTPARAMS_PROGRAM, ett_bootparams);
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/* Register the procedure tables */
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rpc_init_proc_table(BOOTPARAMS_PROGRAM, 1, bootparams1_proc, hf_bootparams_procedure_v1);
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}
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