wireshark/packet-dcerpc-lsa-ds.c

349 lines
10 KiB
C

/* packet-dcerpc-lsa-ds.c
* Routines for SMB \PIPE\lsarpc packet disassembly
* Copyright 2002-2003, Tim Potter <tpot@samba.org>
* Copyright 2002, Jim McDonough <jmcd@samba.org>
*
* $Id: packet-dcerpc-lsa-ds.c,v 1.13 2004/01/19 20:10:33 jmayer Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include <string.h>
#include <epan/packet.h>
#include "packet-dcerpc.h"
#include "packet-dcerpc-nt.h"
#include "smb.h"
#define LSA_DS_DSROLEGETDOMINFO 0x0000
#define LSA_DS_DSROLE_BASIC_INFO 0x0001
#define LSA_DS_DSROLE_UPGRADE_STATUS 0x0002
#define LSA_DS_DSROLE_OP_STATUS 0x0003
static int proto_dcerpc_lsa_ds = -1;
static int hf_lsa_ds_opnum = -1;
static int hf_lsa_ds_dominfo_level = -1;
static int hf_lsa_ds_machine_role = -1;
static int hf_lsa_ds_dominfo_flags = -1;
static int hf_lsa_ds_dominfo_netb_name = -1;
static int hf_lsa_ds_dominfo_dns_name = -1;
static int hf_lsa_ds_dominfo_forest_name = -1;
static int hf_lsa_ds_upgrade_state = -1;
static int hf_lsa_ds_previous_role = -1;
static int hf_lsa_ds_op_status = -1;
static int hf_lsa_ds_rc = -1;
static gint ett_dcerpc_lsa_ds = -1;
static gint ett_lsa_ds_domain_info = -1;
static gint ett_lsa_ds_basic_domain_info = -1;
static gint ett_lsa_ds_upgrade_status = -1;
static gint ett_lsa_ds_op_status = -1;
static int
lsa_ds_dissect_DSROLE_BASIC_INFO(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *parent_tree, guint8 *drep)
{
proto_item *item=NULL;
proto_tree *tree=NULL;
int old_offset=offset;
if(parent_tree){
item = proto_tree_add_text(parent_tree, tvb, offset, -1,
"DSROLE_BASIC_DOMAIN_INFO:");
tree = proto_item_add_subtree(item,
ett_lsa_ds_basic_domain_info);
}
ALIGN_TO_4_BYTES;
/* role */
offset = dissect_ndr_uint16(tvb, offset, pinfo, tree, drep,
hf_lsa_ds_machine_role, 0);
/* flags */
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_lsa_ds_dominfo_flags, 0);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "NetBIOS domain name pointer",
hf_lsa_ds_dominfo_netb_name, 0);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "DNS domain pointer",
hf_lsa_ds_dominfo_dns_name, 0);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "DNS forest name pointer",
hf_lsa_ds_dominfo_forest_name, 0);
/* GUID */
offset = dissect_nt_GUID(tvb, offset, pinfo, tree, drep);
proto_item_set_len(item, offset-old_offset);
return offset;
}
static int
lsa_ds_dissect_DSROLE_UPGRADE_STATUS(tvbuff_t *tvb, int offset,
packet_info *pinfo,
proto_tree *parent_tree, guint8 *drep)
{
proto_item *item=NULL;
proto_tree *tree=NULL;
int old_offset=offset;
if(parent_tree){
item = proto_tree_add_text(parent_tree, tvb, offset, -1,
"DSROLE_UPGRADE_STATUS:");
tree = proto_item_add_subtree(item,
ett_lsa_ds_upgrade_status);
}
offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
hf_lsa_ds_upgrade_state, NULL);
offset = dissect_ndr_uint16 (tvb, offset, pinfo, tree, drep,
hf_lsa_ds_previous_role, NULL);
proto_item_set_len(item, offset-old_offset);
return offset;
}
static int
lsa_ds_dissect_DSROLE_OP_STATUS(tvbuff_t *tvb, int offset,
packet_info *pinfo,
proto_tree *parent_tree, guint8 *drep)
{
proto_item *item=NULL;
proto_tree *tree=NULL;
int old_offset=offset;
if(parent_tree){
item = proto_tree_add_text(parent_tree, tvb, offset, -1,
"DSROLE_OP_STATUS:");
tree = proto_item_add_subtree(item,
ett_lsa_ds_op_status);
}
offset = dissect_ndr_uint16 (tvb, offset, pinfo, tree, drep,
hf_lsa_ds_op_status, NULL);
proto_item_set_len(item, offset-old_offset);
return offset;
}
static int
lsa_ds_dissect_DS_DOMINFO_CTR(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *parent_tree, guint8 *drep)
{
proto_item *item=NULL;
proto_tree *tree=NULL;
int old_offset=offset;
guint16 level;
if(parent_tree){
item = proto_tree_add_text(parent_tree, tvb, offset, -1,
"DOMAIN_INFO:");
tree = proto_item_add_subtree(item, ett_lsa_ds_domain_info);
}
offset = dissect_ndr_uint16 (tvb, offset, pinfo, tree, drep,
hf_lsa_ds_dominfo_level, &level);
switch(level){
case LSA_DS_DSROLE_BASIC_INFO:
offset = lsa_ds_dissect_DSROLE_BASIC_INFO(
tvb, offset, pinfo, tree, drep);
break;
case LSA_DS_DSROLE_UPGRADE_STATUS:
offset = lsa_ds_dissect_DSROLE_UPGRADE_STATUS(
tvb, offset, pinfo, tree, drep);
break;
case LSA_DS_DSROLE_OP_STATUS:
offset = lsa_ds_dissect_DSROLE_OP_STATUS(
tvb, offset, pinfo, tree, drep);
break;
}
proto_item_set_len(item, offset-old_offset);
return offset;
}
static int
lsa_ds_dissect_role_get_dom_info_rqst(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
guint16 level;
offset = dissect_ndr_uint16(tvb, offset, pinfo, tree, drep,
hf_lsa_ds_dominfo_level, &level);
if (check_col(pinfo->cinfo, COL_INFO))
col_append_fstr(pinfo->cinfo, COL_INFO, ", level %d", level);
return offset;
}
static int
lsa_ds_dissect_role_get_dom_info_reply(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
lsa_ds_dissect_DS_DOMINFO_CTR, NDR_POINTER_UNIQUE,
"DOMAIN_INFORMATION pointer", -1);
offset = dissect_ntstatus(
tvb, offset, pinfo, tree, drep, hf_lsa_ds_rc, NULL);
return offset;
}
static const value_string lsa_ds_dominfo_levels[] = {
{ LSA_DS_DSROLE_BASIC_INFO, "DsRoleBasicInfo"},
{ LSA_DS_DSROLE_UPGRADE_STATUS, "DsRoleUpgradeStatus"},
{ LSA_DS_DSROLE_OP_STATUS, "DsRoleOpStatus"},
{ 0, NULL }
};
static const value_string lsa_ds_role_vals[] = {
{ 0, "Standalone Workstation" },
{ 1, "Domain Member Workstation" },
{ 2, "Standalone Server" },
{ 3, "Domain Member Server" },
{ 4, "Backup Domain Controller" },
{ 5, "Primary Domain Controller" },
{ 0, NULL }
};
static const value_string lsa_ds_upgrade_vals[] = {
{ 0, "Not currently upgrading"},
{ 1, "Upgrade in progress"},
{ 0, NULL }
};
static const value_string lsa_ds_previous_roles[] = {
{ 0, "Unknown state" },
{ 1, "Primary" },
{ 2, "Backup" },
{ 0, NULL }
};
static const value_string lsa_ds_op_states[] = {
{ 0, "Idle" },
{ 1, "Active" },
{ 2, "Needs reboot" },
{ 0, NULL }
};
void
proto_register_dcerpc_lsa_ds(void)
{
static hf_register_info hf[] = {
{ &hf_lsa_ds_opnum,
{ "Operation", "ls_ads.opnum", FT_UINT16, BASE_DEC,
NULL, 0x0, "Operation", HFILL }},
{ &hf_lsa_ds_dominfo_level,
{ "Level", "lsa_ds.dominfo.level", FT_UINT16, BASE_DEC,
VALS(lsa_ds_dominfo_levels), 0x0,
"Information level of requested data", HFILL }},
{ &hf_lsa_ds_machine_role,
{ "Machine role", "lsa_ds.role", FT_UINT16, BASE_HEX,
VALS(lsa_ds_role_vals), 0x0, "Role of machine in domain", HFILL}},
{ &hf_lsa_ds_dominfo_flags,
{ "Flags", "lsa_ds.dominfo.flags", FT_UINT32, BASE_HEX,
NULL, 0x0, "Machine flags", HFILL }},
{ &hf_lsa_ds_dominfo_netb_name,
{ "Netbios name", "lsa_ds.dominfo.nbname", FT_STRING, BASE_NONE,
NULL, 0x0, "Netbios Domain Name", HFILL}},
{ &hf_lsa_ds_dominfo_dns_name,
{ "DNS name", "lsa_ds.dominfo.dnsname", FT_STRING, BASE_NONE,
NULL, 0x0, "DNS Domain Name", HFILL}},
{ &hf_lsa_ds_dominfo_forest_name,
{ "Forest name", "lsa_ds.dominfo.forest", FT_STRING, BASE_NONE,
NULL, 0x0, "DNS Forest Name", HFILL}},
{ &hf_lsa_ds_upgrade_state,
{ "Upgrading", "ls_ads.upgrading", FT_UINT32, BASE_DEC,
VALS(lsa_ds_upgrade_vals), 0x0, "Upgrade State", HFILL }},
{ &hf_lsa_ds_previous_role,
{ "Previous role", "ls_ads.upgrading", FT_UINT16, BASE_DEC,
VALS(lsa_ds_previous_roles), 0x0,
"Previous server role before upgrade", HFILL }},
{ &hf_lsa_ds_op_status,
{ "Operational status", "ls_ads.op_status", FT_UINT16, BASE_DEC,
VALS(lsa_ds_op_states), 0x0,
"Current operational status", HFILL }},
{ &hf_lsa_ds_rc,
{ "Return code", "lsa_ds.rc", FT_UINT32, BASE_HEX,
VALS (NT_errors), 0x0, "LSA_DS return status code", HFILL }},
};
static gint *ett[] = {
&ett_dcerpc_lsa_ds,
&ett_lsa_ds_domain_info,
&ett_lsa_ds_basic_domain_info,
&ett_lsa_ds_upgrade_status,
&ett_lsa_ds_op_status
};
proto_dcerpc_lsa_ds = proto_register_protocol(
"Microsoft Local Security Architecture (Directory Services)",
"LSA_DS", "lsa_ds");
proto_register_field_array(proto_dcerpc_lsa_ds, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
/* Protocol handoff */
static e_uuid_t uuid_dcerpc_lsa_ds = {
0x3919286a, 0xb10c, 0x11d0,
{ 0x9b, 0xa8, 0x00, 0xc0, 0x4f, 0xd9, 0x2e, 0xf5}
};
static guint16 ver_dcerpc_lsa_ds = 0;
static dcerpc_sub_dissector lsa_ds_dissectors[] = {
{ LSA_DS_DSROLEGETDOMINFO, "DsRoleGetDomInfo",
lsa_ds_dissect_role_get_dom_info_rqst,
lsa_ds_dissect_role_get_dom_info_reply },
{ 0, NULL, NULL, NULL },
};
void
proto_reg_handoff_dcerpc_lsa_ds(void)
{
/* Register protocol as dcerpc */
dcerpc_init_uuid(proto_dcerpc_lsa_ds, ett_dcerpc_lsa_ds,
&uuid_dcerpc_lsa_ds, ver_dcerpc_lsa_ds,
lsa_ds_dissectors, hf_lsa_ds_opnum);
}