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wireshark/packet-smb-logon.c

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/* packet-smb-logon.c
* Routines for SMB net logon packet dissection
* Copyright 2000, Jeffrey C. Foster <jfoste@woodward.com>
*
* $Id: packet-smb-logon.c,v 1.36 2003/11/19 03:53:32 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* Copied from packet-pop.c
*
* 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 "packet-smb-common.h"
static int proto_smb_logon = -1;
static int hf_command = -1;
static int hf_computer_name = -1;
static int hf_unicode_computer_name = -1;
static int hf_server_name = -1;
static int hf_user_name = -1;
static int hf_domain_name = -1;
static int hf_mailslot_name = -1;
static int hf_pdc_name = -1;
static int hf_unicode_pdc_name = -1;
static int hf_script_name = -1;
static int hf_nt_version = -1;
static int hf_lmnt_token = -1;
static int hf_lm_token = -1;
static int hf_major_version = -1;
static int hf_minor_version = -1;
static int hf_os_version = -1;
static int hf_date_time = -1;
static int hf_update_type = -1;
static int hf_request_count = -1;
static int hf_flags_autolock = -1;
static int hf_flags_expire = -1;
static int hf_flags_server_trust = -1;
static int hf_flags_workstation_trust = -1;
static int hf_flags_interdomain_trust = -1;
static int hf_flags_mns_user = -1;
static int hf_flags_normal_user = -1;
static int hf_flags_temp_dup_user = -1;
static int hf_flags_password_required = -1;
static int hf_flags_homedir_required = -1;
static int hf_flags_enabled = -1;
static int hf_domain_sid_size = -1;
static int hf_low_serial = -1;
static int hf_pulse = -1;
static int hf_random = -1;
static int hf_db_count = -1;
static int hf_db_index = -1;
static int hf_large_serial = -1;
static int hf_nt_date_time = -1;
static int ett_smb_logon = -1;
static int ett_smb_account_flags = -1;
static int ett_smb_db_info = -1;
#define ACC_FLAG_AUTO_LOCKED 0x0400
#define ACC_FLAG_EXPIRE 0x0200
#define ACC_FLAG_SERVER_TRUST 0x0100
#define ACC_FLAG_WORKSTATION_TRUST 0x0080
#define ACC_FLAG_INTERDOMAIN_TRUST 0x0040
#define ACC_FLAG_MNS_USER 0x0020
#define ACC_FLAG_NORMAL_USER 0x0010
#define ACC_FLAG_TEMP_DUP_USER 0x0008
#define ACC_FLAG_PASSWORD_REQUIRED 0x0004
#define ACC_FLAG_HOMEDIR_REQUIRED 0x0002
#define ACC_FLAG_ENABLED 0x0001
static const true_false_string tfs_flags_autolock = {
"User account auto-locked",
"User account NOT auto-locked"
};
static const true_false_string tfs_flags_expire = {
"User password will NOT expire",
"User password will expire"
};
static const true_false_string tfs_flags_server_trust = {
"Server Trust user account",
"NOT a Server Trust user account"
};
static const true_false_string tfs_flags_workstation_trust = {
"Workstation Trust user account",
"NOT a Workstation Trust user account"
};
static const true_false_string tfs_flags_interdomain_trust = {
"Inter-domain Trust user account",
"NOT a Inter-domain Trust user account"
};
static const true_false_string tfs_flags_mns_user = {
"MNS Logon user account",
"NOT a MNS Logon user account"
};
static const true_false_string tfs_flags_normal_user = {
"Normal user account",
"NOT a normal user account"
};
static const true_false_string tfs_flags_temp_dup_user = {
"Temp duplicate user account",
"NOT a temp duplicate user account"
};
static const true_false_string tfs_flags_password_required = {
"NO password required",
"Password required"
};
static const true_false_string tfs_flags_homedir_required = {
"NO homedir required",
"Homedir required"
};
static const true_false_string tfs_flags_enabled = {
"User account enabled",
"User account disabled"
};
static int
dissect_account_control(tvbuff_t *tvb, proto_tree *tree, int offset)
{
/* display the Allowable Account control bits */
proto_item *ti = NULL;
proto_tree *flags_tree = NULL;
guint32 flags;
flags = tvb_get_letohl(tvb, offset);
if (tree) {
ti = proto_tree_add_text(tree, tvb, offset, 4,
"Account control = 0x%04x", flags);
flags_tree = proto_item_add_subtree(ti, ett_smb_account_flags);
}
proto_tree_add_boolean(flags_tree, hf_flags_autolock, tvb, offset, 4, flags);
proto_tree_add_boolean(flags_tree, hf_flags_expire, tvb, offset, 4, flags);
proto_tree_add_boolean(flags_tree, hf_flags_server_trust, tvb, offset, 4, flags);
proto_tree_add_boolean(flags_tree, hf_flags_workstation_trust, tvb, offset, 4, flags);
proto_tree_add_boolean(flags_tree, hf_flags_interdomain_trust, tvb, offset, 4, flags);
proto_tree_add_boolean(flags_tree, hf_flags_mns_user, tvb, offset, 4, flags);
proto_tree_add_boolean(flags_tree, hf_flags_normal_user, tvb, offset, 4, flags);
proto_tree_add_boolean(flags_tree, hf_flags_temp_dup_user, tvb, offset, 4, flags);
proto_tree_add_boolean(flags_tree, hf_flags_password_required, tvb, offset, 4, flags);
proto_tree_add_boolean(flags_tree, hf_flags_homedir_required, tvb, offset, 4, flags);
proto_tree_add_boolean(flags_tree, hf_flags_enabled, tvb, offset, 4, flags);
offset += 4;
return offset;
}
static int
display_LM_token(tvbuff_t *tvb, int offset, proto_tree *tree)
{
guint16 Token;
Token = tvb_get_letohs(tvb, offset);
if (Token & 0x01) {
proto_tree_add_uint_format(tree, hf_lm_token, tvb, offset, 2,
Token,
"LM20 Token: 0x%04x (LanMan 2.0 or higher)", Token);
} else {
/*
* XXX - are all values with the lower bit set LM 2.0,
* and all values with it not set LM 1.0?
* What do the other bits mean, if anything?
*/
proto_tree_add_uint_format(tree, hf_lm_token, tvb, offset, 2,
Token,
"LM10 Token: 0x%04x (WFW Networking)", Token);
}
offset += 2;
return offset;
}
static int
display_LMNT_token(tvbuff_t *tvb, int offset, proto_tree *tree)
{
guint16 Token;
Token = tvb_get_letohs(tvb, offset);
if (Token == 0xffff) {
proto_tree_add_uint_format(tree, hf_lmnt_token, tvb, offset, 2,
Token,
"LMNT Token: 0x%04x (Windows NT Networking)", Token);
} else {
/*
* XXX - what is it if it's not 0xffff?
*/
proto_tree_add_uint_format(tree, hf_lm_token, tvb, offset, 2,
Token,
"LMNT Token: 0x%04x (Unknown)", Token);
}
offset += 2;
return offset;
}
static int
dissect_smb_logon_request(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
/*** 0x00 (LM1.0/LM2.0 LOGON Request) ***/
/* computer name */
offset = display_ms_string(tvb, tree, offset, hf_computer_name, NULL);
/* user name */
offset = display_ms_string(tvb, tree, offset, hf_user_name, NULL);
/* mailslot name */
offset = display_ms_string(tvb, tree, offset, hf_mailslot_name, NULL);
/*$$$$$ here add the Mailslot to the response list (if needed) */
/* Request count */
proto_tree_add_item(tree, hf_request_count, tvb, offset, 1, TRUE);
offset += 1;
/* NT version */
proto_tree_add_item(tree, hf_nt_version, tvb, offset, 2, TRUE);
offset += 2;
/* LM token */
offset = display_LM_token(tvb, offset, tree);
return offset;
}
static int
dissect_smb_logon_LM10_resp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
/*** 0x01 LanMan 1.0 Logon response ***/
/* user name */
offset = display_ms_string(tvb, tree, offset, hf_user_name, NULL);
/* script name */
offset = display_ms_string(tvb, tree, offset, hf_script_name, NULL);
return offset;
}
static int
dissect_smb_logon_2(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
/*** 0x02 LM1.0 Query - Centralized Initialization ***/
/*** 0x03 LM1.0 Query - Distributed Initialization ***/
/*** 0x04 LM1.0 Query - Centralized Query Response ***/
/*** 0x04 LM1.0 Query - Distributed Query Response ***/
/* computer name */
offset = display_ms_string(tvb, tree, offset, hf_computer_name, NULL);
/* mailslot name */
offset = display_ms_string(tvb, tree, offset, hf_mailslot_name, NULL);
/* NT version */
proto_tree_add_item(tree, hf_nt_version, tvb, offset, 2, TRUE);
offset += 2;
/* LM token */
offset = display_LM_token(tvb, offset, tree);
return offset;
}
static int
dissect_smb_logon_LM20_resp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
/*** 0x06 (LM2.0 LOGON Response) ***/
/* server name */
offset = display_ms_string(tvb, tree, offset, hf_server_name, NULL);
/* LM token */
offset = display_LM_token(tvb, offset, tree);
return offset;
}
static int
dissect_smb_pdc_query(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
char *name;
/*** 0x07 Query for Primary PDC ***/
/* computer name */
offset = display_ms_string(tvb, tree, offset, hf_computer_name, &name);
if (check_col(pinfo->cinfo, COL_INFO))
col_append_fstr(pinfo->cinfo, COL_INFO, " from %s", name);
g_free(name);
/* mailslot name */
offset = display_ms_string(tvb, tree, offset, hf_mailslot_name, NULL);
if (tvb_reported_length_remaining(tvb, offset) > 2) {
/*
* NT-style Query for PDC?
* If only 2 bytes remain, it's probably a Windows 95-style
* query, which has only an LM token after the mailslot
* name.
*
* XXX - base this on flags in the SMB header, e.g.
* the ASCII/Unicode strings flag?
*/
if (offset % 2) offset++; /* word align ... */
/* Unicode computer name */
offset = display_unicode_string(tvb, tree, offset, hf_unicode_computer_name, NULL);
/* NT version */
proto_tree_add_item(tree, hf_nt_version, tvb, offset, 4, TRUE);
offset += 4;
/* LMNT token */
offset = display_LMNT_token(tvb, offset, tree);
}
/* LM token */
offset = display_LM_token(tvb, offset, tree);
return offset;
}
static int
dissect_smb_pdc_startup(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
/*** 0x08 Announce startup of PDC ***/
/* pdc name */
offset = display_ms_string(tvb, tree, offset, hf_pdc_name, NULL);
/* A short Announce will not have the rest */
if (tvb_reported_length_remaining(tvb, offset) != 0) {
char *name = NULL;
if (offset % 2) offset++; /* word align ... */
/* pdc name */
offset = display_unicode_string(tvb, tree, offset, hf_unicode_pdc_name, &name);
if (name && check_col(pinfo->cinfo, COL_INFO)) {
col_append_fstr(pinfo->cinfo, COL_INFO, ": host %s", name);
g_free(name);
name = NULL;
}
if (offset % 2) offset++;
/* domain name */
offset = display_unicode_string(tvb, tree, offset, hf_domain_name, &name);
if (name && check_col(pinfo->cinfo, COL_INFO)) {
col_append_fstr(pinfo->cinfo, COL_INFO, ", domain %s", name);
g_free(name);
name = NULL;
}
/* NT version */
proto_tree_add_item(tree, hf_nt_version, tvb, offset, 4, TRUE);
offset += 4;
/* LMNT token */
offset = display_LMNT_token(tvb, offset, tree);
/* LM token */
offset = display_LM_token(tvb, offset, tree);
}
return offset;
}
static int
dissect_smb_pdc_failure(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
/*** 0x09 Announce failure of the PDC ***/
/*** 0x0F LM2.0 Resp. during LOGON pause ***/
/*** 0x10 (LM 2.0 Unknown user response) ***/
/* NT version */
proto_tree_add_item(tree, hf_nt_version, tvb, offset, 4, TRUE);
offset += 4;
/* LM token */
offset = display_LM_token(tvb, offset, tree);
return offset;
}
static int
dissect_announce_change(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
/*** 0x0A ( Announce change to UAS or SAM ) ***/
guint32 info_count;
proto_item *ti = NULL;
proto_tree *info_tree = NULL;
guint32 db_index;
guint32 domain_sid_size;
/* low serial number */
proto_tree_add_item(tree, hf_low_serial, tvb, offset, 4, TRUE);
offset += 4;
/* date/time */
/* XXX - what format is this? Neither SMB_Date/SMB_Time nor
"time_t but in the local time zone" appear to be correct. */
proto_tree_add_item(tree, hf_date_time, tvb, offset, 4, TRUE);
offset += 4;
/* pulse */
proto_tree_add_item(tree, hf_pulse, tvb, offset, 4, TRUE);
offset += 4;
/* random */
proto_tree_add_item(tree, hf_random, tvb, offset, 4, TRUE);
offset += 4;
/* pdc name */
offset = display_ms_string(tvb, tree, offset, hf_pdc_name, NULL);
/* domain name */
offset = display_ms_string(tvb, tree, offset, hf_domain_name, NULL);
if (offset % 2) offset++; /* word align ... */
if (tvb_reported_length_remaining(tvb, offset) > 2) {
/*
* XXX - older protocol versions don't have this stuff?
*/
/* pdc name */
offset = display_unicode_string(tvb, tree, offset, hf_unicode_pdc_name, NULL);
/* domain name */
offset = display_unicode_string(tvb, tree, offset, hf_domain_name, NULL);
/* DB count */
info_count = tvb_get_letohl(tvb, offset);
proto_tree_add_uint(tree, hf_db_count, tvb, offset, 4, info_count);
offset += 4;
while (info_count != 0) {
db_index = tvb_get_letohl(tvb, offset);
if (tree) {
ti = proto_tree_add_text(tree, tvb, offset, 20,
"DBChange Info Structure: index %u", db_index);
info_tree = proto_item_add_subtree(ti, ett_smb_db_info);
}
proto_tree_add_uint(info_tree, hf_db_index, tvb, offset, 4,
db_index);
offset += 4;
proto_tree_add_item(info_tree, hf_large_serial, tvb, offset, 8,
TRUE);
offset += 8;
offset = dissect_smb_64bit_time(tvb, info_tree, offset,
hf_nt_date_time);
info_count--;
}
/* Domain SID Size */
domain_sid_size = tvb_get_letohl(tvb, offset);
proto_tree_add_uint(tree, hf_domain_sid_size, tvb, offset, 4,
domain_sid_size);
offset += 4;
if (domain_sid_size != 0) {
/* Align to four-byte boundary */
offset = ((offset + 3)/4)*4;
/* Domain SID */
offset = dissect_nt_sid(
tvb, offset, tree, "Domain", NULL, -1);
}
/* NT version */
proto_tree_add_item(tree, hf_nt_version, tvb, offset, 4, TRUE);
offset += 4;
/* LMNT token */
offset = display_LMNT_token(tvb, offset, tree);
}
/* LM token */
offset = display_LM_token(tvb, offset, tree);
return offset;
}
static int
dissect_smb_sam_logon_req(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
/* Netlogon command 0x12 - decode the SAM logon request from client */
guint32 domain_sid_size;
/* Request count */
proto_tree_add_item(tree, hf_request_count, tvb, offset, 2, TRUE);
offset += 2;
/* computer name */
offset = display_unicode_string(tvb, tree, offset, hf_unicode_computer_name, NULL);
/* user name */
offset = display_unicode_string(tvb, tree, offset, hf_user_name, NULL);
/* mailslot name */
offset = display_ms_string(tvb, tree, offset, hf_mailslot_name, NULL);
/* account control */
offset = dissect_account_control(tvb, tree, offset);
/* Domain SID Size */
domain_sid_size = tvb_get_letohl(tvb, offset);
proto_tree_add_uint(tree, hf_domain_sid_size, tvb, offset, 4,
domain_sid_size);
offset += 4;
if (domain_sid_size != 0) {
/* Align to four-byte boundary */
offset = ((offset + 3)/4)*4;
/* Domain SID */
offset = dissect_nt_sid(tvb, offset, tree, "Domain", NULL, -1);
}
/* NT version */
proto_tree_add_item(tree, hf_nt_version, tvb, offset, 4, TRUE);
offset += 4;
/* LMNT token */
offset = display_LMNT_token(tvb, offset, tree);
/* LM token */
offset = display_LM_token(tvb, offset, tree);
return offset;
}
static int
dissect_smb_no_user(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
/* 0x0B (Announce no user on machine) */
/* computer name */
offset = display_ms_string(tvb, tree, offset, hf_computer_name, NULL);
return offset;
}
static int
dissect_smb_relogon_resp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
/*** 0x0d LanMan Response to relogon request ***/
/* Major version */
proto_tree_add_item(tree, hf_major_version, tvb, offset, 1, TRUE);
offset += 1;
/* Minor version */
proto_tree_add_item(tree, hf_minor_version, tvb, offset, 1, TRUE);
offset += 1;
/* OS version */
proto_tree_add_item(tree, hf_os_version, tvb, offset, 1, TRUE);
offset += 1;
/* NT version */
proto_tree_add_item(tree, hf_nt_version, tvb, offset, 4, TRUE);
offset += 4;
/* LM token */
offset = display_LM_token(tvb, offset, tree);
return offset;
}
static int
dissect_smb_acc_update(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
/*** 0x11 LM2.1 Announce Acc updates ***/
guint32 Temp1, Temp2;
Temp1 = tvb_get_letohl(tvb, offset);
Temp2 = tvb_get_letohl(tvb, offset + 4);
/* signature */
proto_tree_add_text(tree, tvb, offset, 8, "Signature: 0x%08x%08x",
Temp1, Temp2);
offset += 8;
/* date/time */
/* XXX - what format is this? Neither SMB_Date/SMB_Time nor
"time_t but in the local time zone" appear to be correct. */
proto_tree_add_item(tree, hf_date_time, tvb, offset, 4, TRUE);
offset += 4;
/* computer name */
offset = display_ms_string(tvb, tree, offset, hf_computer_name, NULL);
/* user name */
offset = display_ms_string(tvb, tree, offset, hf_user_name, NULL);
/* update type */
proto_tree_add_item(tree, hf_update_type, tvb, offset, 2, TRUE);
offset += 2;
/* NT version */
proto_tree_add_item(tree, hf_nt_version, tvb, offset, 4, TRUE);
offset += 4;
/* LM token */
offset = display_LM_token(tvb, offset, tree);
return offset;
}
static int
dissect_smb_inter_resp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
/* 0x0e LanMan Response to interrogate request */
/* Major version */
proto_tree_add_item(tree, hf_major_version, tvb, offset, 1, TRUE);
offset += 1;
/* Minor version */
proto_tree_add_item(tree, hf_minor_version, tvb, offset, 1, TRUE);
offset += 1;
/* OS version */
proto_tree_add_item(tree, hf_os_version, tvb, offset, 1, TRUE);
offset += 1;
/* NT version */
proto_tree_add_item(tree, hf_nt_version, tvb, offset, 4, TRUE);
offset += 4;
/* LMNT token */
offset = display_LMNT_token(tvb, offset, tree);
/* XXX - no LM token? Every other packet has one after the LMNT
token. */
return offset;
}
static int
dissect_smb_sam_logon_resp(tvbuff_t *tvb, packet_info *pinfo _U_,
proto_tree *tree, int offset)
{
/* Netlogon command 0x13 - decode the SAM logon response from server */
/* server name */
offset = display_unicode_string(tvb, tree, offset, hf_server_name, NULL);
/* user name */
offset = display_unicode_string(tvb, tree, offset, hf_user_name, NULL);
/* domain name */
offset = display_unicode_string(tvb, tree, offset, hf_domain_name, NULL);
/* NT version */
proto_tree_add_item(tree, hf_nt_version, tvb, offset, 4, TRUE);
offset += 4;
/* LMNT token */
offset = display_LMNT_token(tvb, offset, tree);
/* LM token */
offset = display_LM_token(tvb, offset, tree);
return offset;
}
#define LOGON_LM10_LOGON_REQUEST 0x00
#define LOGON_LM10_LOGON_RESPONSE 0x01
#define LOGON_LM10_QUERY_CI 0x02
#define LOGON_LM10_QUERY_DI 0x03
#define LOGON_LM10_RESPONSE_CI 0x04
#define LOGON_LM10_RESPONSE_DI 0x05
#define LOGON_LM20_LOGON_RESPONSE 0x06
#define LOGON_PDC_QUERY 0x07
#define LOGON_PDC_STARTUP 0x08
#define LOGON_PDC_FAILED 0x09
#define LOGON_UAS_SAM 0x0a
#define LOGON_NO_USER 0x0b
#define LOGON_PDC_RESPONSE 0x0c
#define LOGON_RELOGON_RESPONSE 0x0d
#define LOGON_INTERROGATE_RESPONSE 0x0e
#define LOGON_LM20_RESPONSE_DURING_LOGON 0x0f
#define LOGON_LM20_USER_UNKNOWN 0x10
#define LOGON_LM20_ACCOUNT_UPDATE 0x11
#define LOGON_SAM_LOGON_REQUEST 0x12
#define LOGON_SAM_LOGON_RESPONSE 0x13
#define LOGON_SAM_RESPONSE_DURING_LOGON 0x14
#define LOGON_SAM_USER_UNKNOWN 0x15
#define LOGON_SAM_INTERROGATE_RESPONSE 0x16
#define LOGON_SAM_AD_USER_UNKNOWN 0x17
#define LOGON_SAM_UNKNOWN_18 0x18
#define LOGON_SAM_AD_LOGON_RESPONSE 0x19
#define LOGON_LAST_CMD 0x20
static const value_string commands[] = {
{LOGON_LM10_LOGON_REQUEST, "LM1.0/LM2.0 LOGON Request"},
{LOGON_LM10_LOGON_RESPONSE, "LM1.0 LOGON Response"},
{LOGON_LM10_QUERY_CI, "LM1.0 Query - Centralized Initialization"},
{LOGON_LM10_QUERY_DI, "LM1.0 Query - Distributed Initialization"},
{LOGON_LM10_RESPONSE_CI, "LM1.0 Response - Centralized Query"},
{LOGON_LM10_RESPONSE_DI, "LM1.0 Response - Distributed Initialization"},
{LOGON_LM20_LOGON_RESPONSE, "LM2.0 Response to LOGON Request"},
{LOGON_PDC_QUERY, "Query for PDC"},
{LOGON_PDC_STARTUP, "Announce Startup of PDC"},
{LOGON_PDC_FAILED, "Announce Failed PDC"},
{LOGON_UAS_SAM, "Announce Change to UAS or SAM"},
{LOGON_NO_USER, "Announce no user on machine"},
{LOGON_PDC_RESPONSE, "Response from PDC"},
{LOGON_RELOGON_RESPONSE, "LM1.0/LM2.0 Response to re-LOGON Request"},
{LOGON_INTERROGATE_RESPONSE, "LM1.0/LM2.0 Response to Interrogate Request"},
{LOGON_LM20_RESPONSE_DURING_LOGON,"LM2.0 Response during LOGON pause"},
{LOGON_LM20_USER_UNKNOWN, "LM2.0 Response - user unknown"},
{LOGON_LM20_ACCOUNT_UPDATE, "LM2.0 Announce account updates"},
{LOGON_SAM_LOGON_REQUEST, "SAM LOGON request from client"},
{LOGON_SAM_LOGON_RESPONSE, "Response to SAM LOGON request"},
{LOGON_SAM_RESPONSE_DURING_LOGON,"SAM Response during LOGON pause"},
{LOGON_SAM_USER_UNKNOWN, "SAM Response - user unknown"},
{LOGON_SAM_INTERROGATE_RESPONSE,"SAM Response to Interrogate Request"},
{LOGON_SAM_AD_USER_UNKNOWN, "SAM Active Directory Response - user unknown"},
{LOGON_SAM_UNKNOWN_18, "SAM unknown command 0x18"},
{LOGON_SAM_AD_LOGON_RESPONSE, "Active Directory Response to SAM LOGON request"},
{0, NULL}
};
static int (*dissect_smb_logon_cmds[])(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset) = {
dissect_smb_logon_request, /* 0x00 (LM1.0/LM2.0 LOGON Request) */
dissect_smb_logon_LM10_resp,/* 0x01 (LM1.0 LOGON Response) */
dissect_smb_logon_2, /* 0x02 (LM1.0 Query Centralized Init.)*/
dissect_smb_logon_2, /* 0x03 (LM1.0 Query Distributed Init.)*/
dissect_smb_logon_2, /* 0x04 (LM1.0 Centralized Query Resp.)*/
dissect_smb_logon_2, /* 0x05 (LM1.0 Distributed Query Resp.) */
dissect_smb_logon_LM20_resp,/* 0x06 (LM2.0 LOGON Response) */
dissect_smb_pdc_query, /* 0x07 (Query for PDC) */
dissect_smb_pdc_startup, /* 0x08 (Announce PDC startup) */
dissect_smb_pdc_failure, /* 0x09 (Announce Failed PDC) */
dissect_announce_change, /* 0x0A (Announce Change to UAS or SAM)*/
dissect_smb_no_user, /* 0x0B (Announce no user on machine)*/
dissect_smb_pdc_startup, /* 0x0C (Response from PDC) */
dissect_smb_relogon_resp, /* 0x0D (Relogon response) */
dissect_smb_inter_resp, /* 0x0E (Interrogate response) */
dissect_smb_pdc_failure, /* 0x0F (LM2.0 Resp. during LOGON pause*/
dissect_smb_pdc_failure, /* 0x10 (LM 2.0 Unknown user response)*/
dissect_smb_acc_update, /* 0x11 (LM2.1 Announce Acc updates)*/
dissect_smb_sam_logon_req, /* 0x12 (SAM LOGON request ) */
dissect_smb_sam_logon_resp, /* 0x13 (SAM LOGON response) */
dissect_smb_unknown, /* 0x14 (SAM Response during LOGON Pause) */
dissect_smb_unknown, /* 0x15 (SAM Response User Unknown) */
dissect_smb_unknown, /* 0x16 (SAM Response to Interrogate)*/
dissect_smb_unknown, /* 0x17 (SAM AD response User Unknown*/
dissect_smb_unknown, /* 0x18 (Unknown command) */
dissect_smb_unknown /* 0x19 (SAM LOGON AD response) */
};
static void
dissect_smb_logon(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
int offset = 0;
guint8 cmd;
proto_tree *smb_logon_tree = NULL;
proto_item *item = NULL;
if (check_col(pinfo->cinfo, COL_PROTOCOL))
col_set_str(pinfo->cinfo, COL_PROTOCOL, "NETLOGON");
if (check_col(pinfo->cinfo, COL_INFO))
col_clear(pinfo->cinfo, COL_INFO);
/* get the Command field */
cmd = tvb_get_guint8(tvb, offset);
if (check_col(pinfo->cinfo, COL_INFO))
col_add_str(pinfo->cinfo, COL_INFO, val_to_str(cmd, commands, "Unknown Command:%02x") );
if (tree) {
item = proto_tree_add_item(tree, proto_smb_logon, tvb,
offset, -1, FALSE);
smb_logon_tree = proto_item_add_subtree(item, ett_smb_logon);
}
/* command */
proto_tree_add_uint(smb_logon_tree, hf_command, tvb, offset, 1, cmd);
offset += 1;
/* skip next byte */
offset += 1;
if (cmd<LOGON_LAST_CMD) {
offset = (dissect_smb_logon_cmds[cmd])(tvb, pinfo,
smb_logon_tree, offset);
} else {
/* unknown command */
offset = dissect_smb_unknown(tvb, pinfo, smb_logon_tree,
offset);
}
}
void
proto_register_smb_logon( void)
{
static hf_register_info hf[] = {
{ &hf_command,
{ "Command", "netlogon.command", FT_UINT8, BASE_HEX,
VALS(commands), 0, "NETLOGON Command", HFILL }},
{ &hf_computer_name,
{ "Computer Name", "netlogon.computer_name", FT_STRING, BASE_NONE,
NULL, 0, "NETLOGON Computer Name", HFILL }},
{ &hf_unicode_computer_name,
{ "Unicode Computer Name", "netlogon.unicode_computer_name", FT_STRING, BASE_NONE,
NULL, 0, "NETLOGON Unicode Computer Name", HFILL }},
{ &hf_server_name,
{ "Server Name", "netlogon.server_name", FT_STRING, BASE_NONE,
NULL, 0, "NETLOGON Server Name", HFILL }},
{ &hf_user_name,
{ "User Name", "netlogon.user_name", FT_STRING, BASE_NONE,
NULL, 0, "NETLOGON User Name", HFILL }},
{ &hf_domain_name,
{ "Domain Name", "netlogon.domain_name", FT_STRING, BASE_NONE,
NULL, 0, "NETLOGON Domain Name", HFILL }},
{ &hf_mailslot_name,
{ "Mailslot Name", "netlogon.mailslot_name", FT_STRING, BASE_NONE,
NULL, 0, "NETLOGON Mailslot Name", HFILL }},
{ &hf_pdc_name,
{ "PDC Name", "netlogon.pdc_name", FT_STRING, BASE_NONE,
NULL, 0, "NETLOGON PDC Name", HFILL }},
{ &hf_unicode_pdc_name,
{ "Unicode PDC Name", "netlogon.unicode_pdc_name", FT_STRING, BASE_NONE,
NULL, 0, "NETLOGON Unicode PDC Name", HFILL }},
{ &hf_script_name,
{ "Script Name", "netlogon.script_name", FT_STRING, BASE_NONE,
NULL, 0, "NETLOGON Script Name", HFILL }},
{ &hf_nt_version,
{ "NT Version", "netlogon.nt_version", FT_UINT32, BASE_DEC,
NULL, 0, "NETLOGON NT Version", HFILL }},
/* An LMNT Token, if 0xffff, is "WindowsNT Networking";
what is it otherwise? */
{ &hf_lmnt_token,
{ "LMNT Token", "netlogon.lmnt_token", FT_UINT16, BASE_HEX,
NULL, 0, "NETLOGON LMNT Token", HFILL }},
{ &hf_lm_token,
{ "LM Token", "netlogon.lm_token", FT_UINT16, BASE_HEX,
NULL, 0, "NETLOGON LM Token", HFILL }},
{ &hf_major_version,
{ "Workstation Major Version", "netlogon.major_version", FT_UINT8, BASE_DEC,
NULL, 0, "NETLOGON Workstation Major Version", HFILL }},
{ &hf_minor_version,
{ "Workstation Minor Version", "netlogon.minor_version", FT_UINT8, BASE_DEC,
NULL, 0, "NETLOGON Workstation Minor Version", HFILL }},
{ &hf_os_version,
{ "Workstation OS Version", "netlogon.os_version", FT_UINT8, BASE_DEC,
NULL, 0, "NETLOGON Workstation OS Version", HFILL }},
{ &hf_date_time,
{ "Date/Time", "netlogon.date_time", FT_UINT32, BASE_DEC,
NULL, 0, "NETLOGON Date/Time", HFILL }},
{ &hf_update_type,
{ "Update Type", "netlogon.update", FT_UINT16, BASE_DEC,
NULL, 0, "NETLOGON Update Type", HFILL }},
{ &hf_request_count,
{ "Request Count", "netlogon.request_count", FT_UINT16, BASE_DEC,
NULL, 0, "NETLOGON Request Count", HFILL }},
{ &hf_flags_autolock,
{ "Autolock", "netlogon.flags.autolock", FT_BOOLEAN, 32,
TFS(&tfs_flags_autolock), ACC_FLAG_AUTO_LOCKED, "NETLOGON Account Autolock", HFILL}},
{ &hf_flags_expire,
{ "Expire", "netlogon.flags.expire", FT_BOOLEAN, 32,
TFS(&tfs_flags_expire), ACC_FLAG_EXPIRE, "NETLOGON Will Account Expire", HFILL}},
{ &hf_flags_server_trust,
{ "Server Trust", "netlogon.flags.server", FT_BOOLEAN, 32,
TFS(&tfs_flags_server_trust), ACC_FLAG_SERVER_TRUST, "NETLOGON Server Trust Account", HFILL}},
{ &hf_flags_workstation_trust,
{ "Workstation Trust", "netlogon.flags.workstation", FT_BOOLEAN, 32,
TFS(&tfs_flags_workstation_trust), ACC_FLAG_WORKSTATION_TRUST, "NETLOGON Workstation Trust Account", HFILL}},
{ &hf_flags_interdomain_trust,
{ "Interdomain Trust", "netlogon.flags.interdomain", FT_BOOLEAN, 32,
TFS(&tfs_flags_interdomain_trust), ACC_FLAG_INTERDOMAIN_TRUST, "NETLOGON Inter-domain Trust Account", HFILL}},
{ &hf_flags_mns_user,
{ "MNS User", "netlogon.flags.mns", FT_BOOLEAN, 32,
TFS(&tfs_flags_mns_user), ACC_FLAG_MNS_USER, "NETLOGON MNS User Account", HFILL}},
{ &hf_flags_normal_user,
{ "Normal User", "netlogon.flags.normal", FT_BOOLEAN, 32,
TFS(&tfs_flags_normal_user), ACC_FLAG_NORMAL_USER, "NETLOGON Normal User Account", HFILL}},
{ &hf_flags_temp_dup_user,
{ "Temp Duplicate User", "netlogon.flags.temp_dup", FT_BOOLEAN, 32,
TFS(&tfs_flags_temp_dup_user), ACC_FLAG_TEMP_DUP_USER, "NETLOGON Temp Duplicate User Account", HFILL}},
{ &hf_flags_password_required,
{ "Password", "netlogon.flags.password", FT_BOOLEAN, 32,
TFS(&tfs_flags_password_required), ACC_FLAG_PASSWORD_REQUIRED, "NETLOGON Password Required", HFILL}},
{ &hf_flags_homedir_required,
{ "Homedir", "netlogon.flags.homedir", FT_BOOLEAN, 32,
TFS(&tfs_flags_homedir_required), ACC_FLAG_HOMEDIR_REQUIRED, "NETLOGON Homedir Required", HFILL}},
{ &hf_flags_enabled,
{ "Enabled", "netlogon.flags.enabled", FT_BOOLEAN, 32,
TFS(&tfs_flags_enabled), ACC_FLAG_ENABLED, "NETLOGON Is This Account Enabled", HFILL}},
{ &hf_domain_sid_size,
{ "Domain SID Size", "netlogon.domain_sid_size", FT_UINT32, BASE_DEC,
NULL, 0, "NETLOGON Domain SID Size", HFILL }},
{ &hf_low_serial,
{ "Low Serial Number", "netlogon.low_serial", FT_UINT32, BASE_DEC,
NULL, 0, "NETLOGON Low Serial Number", HFILL }},
{ &hf_pulse,
{ "Pulse", "netlogon.pulse", FT_UINT32, BASE_DEC,
NULL, 0, "NETLOGON Pulse", HFILL }},
{ &hf_random,
{ "Random", "netlogon.random", FT_UINT32, BASE_DEC,
NULL, 0, "NETLOGON Random", HFILL }},
{ &hf_db_count,
{ "DB Count", "netlogon.db_count", FT_UINT32, BASE_DEC,
NULL, 0, "NETLOGON DB Count", HFILL }},
{ &hf_db_index,
{ "Database Index", "netlogon.db_index", FT_UINT32, BASE_DEC,
NULL, 0, "NETLOGON Database Index", HFILL }},
{ &hf_large_serial,
{ "Large Serial Number", "netlogon.large_serial", FT_UINT64, BASE_DEC,
NULL, 0, "NETLOGON Large Serial Number", HFILL }},
{ &hf_nt_date_time,
{ "NT Date/Time", "netlogon.nt_date_time", FT_ABSOLUTE_TIME, BASE_NONE,
NULL, 0, "NETLOGON NT Date/Time", HFILL }},
};
static gint *ett[] = {
&ett_smb_logon,
&ett_smb_account_flags,
&ett_smb_db_info
};
proto_smb_logon = proto_register_protocol(
"Microsoft Windows Logon Protocol", "NETLOGON", "netlogon");
proto_register_field_array(proto_smb_logon, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
register_dissector("netlogon", dissect_smb_logon, proto_smb_logon);
}
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