4ccbfa3edc
somewhat. Now the dynamic initialisation of the value_string is contained in the value_string_from_subdissectors() function instead of being distributed amongst the dcerpc dissectors. svn path=/trunk/; revision=8123
349 lines
10 KiB
C
349 lines
10 KiB
C
/* packet-dcerpc-lsa-ds.c
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* Routines for SMB \PIPE\lsarpc packet disassembly
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* Copyright 2002-2003, Tim Potter <tpot@samba.org>
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* Copyright 2002, Jim McDonough <jmcd@samba.org>
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*
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* $Id: packet-dcerpc-lsa-ds.c,v 1.12 2003/08/04 02:49:02 tpot Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <glib.h>
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#include <string.h>
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#include <epan/packet.h>
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#include "packet-dcerpc.h"
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#include "packet-dcerpc-nt.h"
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#include "smb.h"
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#define LSA_DS_DSROLEGETDOMINFO 0x0000
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#define LSA_DS_DSROLE_BASIC_INFO 0x0001
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#define LSA_DS_DSROLE_UPGRADE_STATUS 0x0002
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#define LSA_DS_DSROLE_OP_STATUS 0x0003
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static int proto_dcerpc_lsa_ds = -1;
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static int hf_lsa_ds_opnum = -1;
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static int hf_lsa_ds_dominfo_level = -1;
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static int hf_lsa_ds_machine_role = -1;
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static int hf_lsa_ds_dominfo_flags = -1;
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static int hf_lsa_ds_dominfo_netb_name = -1;
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static int hf_lsa_ds_dominfo_dns_name = -1;
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static int hf_lsa_ds_dominfo_forest_name = -1;
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static int hf_lsa_ds_upgrade_state = -1;
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static int hf_lsa_ds_previous_role = -1;
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static int hf_lsa_ds_op_status = -1;
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static int hf_lsa_ds_rc = -1;
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static gint ett_dcerpc_lsa_ds = -1;
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static gint ett_lsa_ds_domain_info = -1;
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static gint ett_lsa_ds_basic_domain_info = -1;
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static gint ett_lsa_ds_upgrade_status = -1;
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static gint ett_lsa_ds_op_status = -1;
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static int
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lsa_ds_dissect_DSROLE_BASIC_INFO(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *parent_tree, char *drep)
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{
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proto_item *item=NULL;
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proto_tree *tree=NULL;
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int old_offset=offset;
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if(parent_tree){
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item = proto_tree_add_text(parent_tree, tvb, offset, -1,
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"DSROLE_BASIC_DOMAIN_INFO:");
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tree = proto_item_add_subtree(item,
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ett_lsa_ds_basic_domain_info);
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}
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ALIGN_TO_4_BYTES;
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/* role */
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offset = dissect_ndr_uint16(tvb, offset, pinfo, tree, drep,
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hf_lsa_ds_machine_role, 0);
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/* flags */
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offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
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hf_lsa_ds_dominfo_flags, 0);
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offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
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NDR_POINTER_UNIQUE, "NetBIOS domain name pointer",
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hf_lsa_ds_dominfo_netb_name, 0);
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offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
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NDR_POINTER_UNIQUE, "DNS domain pointer",
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hf_lsa_ds_dominfo_dns_name, 0);
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offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
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NDR_POINTER_UNIQUE, "DNS forest name pointer",
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hf_lsa_ds_dominfo_forest_name, 0);
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/* GUID */
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offset = dissect_nt_GUID(tvb, offset, pinfo, tree, drep);
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proto_item_set_len(item, offset-old_offset);
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return offset;
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}
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static int
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lsa_ds_dissect_DSROLE_UPGRADE_STATUS(tvbuff_t *tvb, int offset,
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packet_info *pinfo,
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proto_tree *parent_tree, char *drep)
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{
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proto_item *item=NULL;
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proto_tree *tree=NULL;
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int old_offset=offset;
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if(parent_tree){
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item = proto_tree_add_text(parent_tree, tvb, offset, -1,
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"DSROLE_UPGRADE_STATUS:");
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tree = proto_item_add_subtree(item,
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ett_lsa_ds_upgrade_status);
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}
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offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
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hf_lsa_ds_upgrade_state, NULL);
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offset = dissect_ndr_uint16 (tvb, offset, pinfo, tree, drep,
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hf_lsa_ds_previous_role, NULL);
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proto_item_set_len(item, offset-old_offset);
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return offset;
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}
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static int
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lsa_ds_dissect_DSROLE_OP_STATUS(tvbuff_t *tvb, int offset,
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packet_info *pinfo,
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proto_tree *parent_tree, char *drep)
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{
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proto_item *item=NULL;
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proto_tree *tree=NULL;
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int old_offset=offset;
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if(parent_tree){
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item = proto_tree_add_text(parent_tree, tvb, offset, -1,
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"DSROLE_OP_STATUS:");
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tree = proto_item_add_subtree(item,
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ett_lsa_ds_op_status);
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}
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offset = dissect_ndr_uint16 (tvb, offset, pinfo, tree, drep,
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hf_lsa_ds_op_status, NULL);
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proto_item_set_len(item, offset-old_offset);
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return offset;
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}
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static int
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lsa_ds_dissect_DS_DOMINFO_CTR(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *parent_tree, char *drep)
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{
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proto_item *item=NULL;
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proto_tree *tree=NULL;
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int old_offset=offset;
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guint16 level;
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if(parent_tree){
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item = proto_tree_add_text(parent_tree, tvb, offset, -1,
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"DOMAIN_INFO:");
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tree = proto_item_add_subtree(item, ett_lsa_ds_domain_info);
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}
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offset = dissect_ndr_uint16 (tvb, offset, pinfo, tree, drep,
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hf_lsa_ds_dominfo_level, &level);
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switch(level){
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case LSA_DS_DSROLE_BASIC_INFO:
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offset = lsa_ds_dissect_DSROLE_BASIC_INFO(
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tvb, offset, pinfo, tree, drep);
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break;
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case LSA_DS_DSROLE_UPGRADE_STATUS:
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offset = lsa_ds_dissect_DSROLE_UPGRADE_STATUS(
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tvb, offset, pinfo, tree, drep);
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break;
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case LSA_DS_DSROLE_OP_STATUS:
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offset = lsa_ds_dissect_DSROLE_OP_STATUS(
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tvb, offset, pinfo, tree, drep);
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break;
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}
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proto_item_set_len(item, offset-old_offset);
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return offset;
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}
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static int
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lsa_ds_dissect_role_get_dom_info_rqst(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, char *drep)
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{
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guint16 level;
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offset = dissect_ndr_uint16(tvb, offset, pinfo, tree, drep,
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hf_lsa_ds_dominfo_level, &level);
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if (check_col(pinfo->cinfo, COL_INFO))
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col_append_fstr(pinfo->cinfo, COL_INFO, ", level %d", level);
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return offset;
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}
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static int
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lsa_ds_dissect_role_get_dom_info_reply(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, char *drep)
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{
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offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
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lsa_ds_dissect_DS_DOMINFO_CTR, NDR_POINTER_UNIQUE,
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"DOMAIN_INFORMATION pointer", -1);
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offset = dissect_ntstatus(
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tvb, offset, pinfo, tree, drep, hf_lsa_ds_rc, NULL);
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return offset;
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}
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static const value_string lsa_ds_dominfo_levels[] = {
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{ LSA_DS_DSROLE_BASIC_INFO, "DsRoleBasicInfo"},
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{ LSA_DS_DSROLE_UPGRADE_STATUS, "DsRoleUpgradeStatus"},
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{ LSA_DS_DSROLE_OP_STATUS, "DsRoleOpStatus"},
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{ 0, NULL }
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};
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static const value_string lsa_ds_role_vals[] = {
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{ 0, "Standalone Workstation" },
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{ 1, "Domain Member Workstation" },
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{ 2, "Standalone Server" },
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{ 3, "Domain Member Server" },
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{ 4, "Backup Domain Controller" },
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{ 5, "Primary Domain Controller" },
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{ 0, NULL }
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};
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static const value_string lsa_ds_upgrade_vals[] = {
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{ 0, "Not currently upgrading"},
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{ 1, "Upgrade in progress"},
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{ 0, NULL }
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};
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static const value_string lsa_ds_previous_roles[] = {
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{ 0, "Unknown state" },
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{ 1, "Primary" },
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{ 2, "Backup" },
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{ 0, NULL }
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};
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static const value_string lsa_ds_op_states[] = {
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{ 0, "Idle" },
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{ 1, "Active" },
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{ 2, "Needs reboot" },
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{ 0, NULL }
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};
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void
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proto_register_dcerpc_lsa_ds(void)
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{
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static hf_register_info hf[] = {
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{ &hf_lsa_ds_opnum,
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{ "Operation", "ls_ads.opnum", FT_UINT16, BASE_DEC,
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NULL, 0x0, "Operation", HFILL }},
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{ &hf_lsa_ds_dominfo_level,
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{ "Level", "lsa_ds.dominfo.level", FT_UINT16, BASE_DEC,
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VALS(lsa_ds_dominfo_levels), 0x0,
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"Information level of requested data", HFILL }},
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{ &hf_lsa_ds_machine_role,
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{ "Machine role", "lsa_ds.role", FT_UINT16, BASE_HEX,
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VALS(lsa_ds_role_vals), 0x0, "Role of machine in domain", HFILL}},
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{ &hf_lsa_ds_dominfo_flags,
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{ "Flags", "lsa_ds.dominfo.flags", FT_UINT32, BASE_HEX,
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NULL, 0x0, "Machine flags", HFILL }},
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{ &hf_lsa_ds_dominfo_netb_name,
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{ "Netbios name", "lsa_ds.dominfo.nbname", FT_STRING, BASE_NONE,
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NULL, 0x0, "Netbios Domain Name", HFILL}},
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{ &hf_lsa_ds_dominfo_dns_name,
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{ "DNS name", "lsa_ds.dominfo.dnsname", FT_STRING, BASE_NONE,
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NULL, 0x0, "DNS Domain Name", HFILL}},
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{ &hf_lsa_ds_dominfo_forest_name,
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{ "Forest name", "lsa_ds.dominfo.forest", FT_STRING, BASE_NONE,
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NULL, 0x0, "DNS Forest Name", HFILL}},
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{ &hf_lsa_ds_upgrade_state,
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{ "Upgrading", "ls_ads.upgrading", FT_UINT32, BASE_DEC,
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VALS(lsa_ds_upgrade_vals), 0x0, "Upgrade State", HFILL }},
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{ &hf_lsa_ds_previous_role,
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{ "Previous role", "ls_ads.upgrading", FT_UINT16, BASE_DEC,
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VALS(lsa_ds_previous_roles), 0x0,
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"Previous server role before upgrade", HFILL }},
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{ &hf_lsa_ds_op_status,
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{ "Operational status", "ls_ads.op_status", FT_UINT16, BASE_DEC,
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VALS(lsa_ds_op_states), 0x0,
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"Current operational status", HFILL }},
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{ &hf_lsa_ds_rc,
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{ "Return code", "lsa_ds.rc", FT_UINT32, BASE_HEX,
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VALS (NT_errors), 0x0, "LSA_DS return status code", HFILL }},
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};
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static gint *ett[] = {
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&ett_dcerpc_lsa_ds,
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&ett_lsa_ds_domain_info,
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&ett_lsa_ds_basic_domain_info,
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&ett_lsa_ds_upgrade_status,
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&ett_lsa_ds_op_status
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};
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proto_dcerpc_lsa_ds = proto_register_protocol(
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"Microsoft Local Security Architecture (Directory Services)",
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"LSA_DS", "lsa_ds");
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proto_register_field_array(proto_dcerpc_lsa_ds, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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/* Protocol handoff */
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static e_uuid_t uuid_dcerpc_lsa_ds = {
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0x3919286a, 0xb10c, 0x11d0,
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{ 0x9b, 0xa8, 0x00, 0xc0, 0x4f, 0xd9, 0x2e, 0xf5}
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};
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static guint16 ver_dcerpc_lsa_ds = 0;
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static dcerpc_sub_dissector lsa_ds_dissectors[] = {
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{ LSA_DS_DSROLEGETDOMINFO, "DsRoleGetDomInfo",
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lsa_ds_dissect_role_get_dom_info_rqst,
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lsa_ds_dissect_role_get_dom_info_reply },
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{ 0, NULL, NULL, NULL },
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};
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void
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proto_reg_handoff_dcerpc_lsa_ds(void)
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{
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/* Register protocol as dcerpc */
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dcerpc_init_uuid(proto_dcerpc_lsa_ds, ett_dcerpc_lsa_ds,
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&uuid_dcerpc_lsa_ds, ver_dcerpc_lsa_ds,
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lsa_ds_dissectors, hf_lsa_ds_opnum);
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}
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