wireshark/packet-dcerpc-atsvc.c

683 lines
19 KiB
C

/* packet-dcerpc-atsvc.c
* Routines for SMB \pipe\atsvc packet disassembly
* Copyright 2003 Jean-Baptiste Marchand <jbm@hsc.fr>
*
* $Id: packet-dcerpc-atsvc.c,v 1.5 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 <epan/packet.h>
#include "packet-dcerpc.h"
#include "packet-dcerpc-nt.h"
#include "packet-dcerpc-atsvc.h"
#include "smb.h"
static int proto_dcerpc_atsvc = -1;
static int hf_atsvc_server = -1;
static int hf_atsvc_command = -1;
static int hf_atsvc_opnum = -1;
static int hf_atsvc_rc = -1;
static int hf_atsvc_job_id = -1;
static int hf_atsvc_job_time = -1;
static int hf_atsvc_job_days_of_month = -1;
static int hf_atsvc_job_days_of_week = -1;
static int hf_atsvc_job_flags = -1;
static int hf_atsvc_min_job_id = -1;
static int hf_atsvc_max_job_id = -1;
static int hf_atsvc_job_flags_noninteractive = -1;
static int hf_atsvc_job_flags_add_current_date = -1;
static int hf_atsvc_job_flags_runs_today = -1;
static int hf_atsvc_job_flags_exec_error = -1;
static int hf_atsvc_job_flags_run_periodically = -1;
static int hf_atsvc_job_enum_hnd = -1;
static int hf_atsvc_jobs_count = -1;
static int hf_atsvc_enum_handle = -1;
static int hf_atsvc_pref_max = -1;
static int hf_atsvc_num_entries = -1;
static int hf_atsvc_total_entries = -1;
static gint ett_dcerpc_atsvc = -1;
static gint ett_dcerpc_atsvc_job = -1;
static gint ett_dcerpc_atsvc_job_flags = -1;
/*
IDL [ uuid(1ff70682-0a51-30e8-076d-740be8cee98b),
IDL version(1.0),
IDL implicit_handle(handle_t rpc_binding)
IDL ] interface atsvc
*/
static e_uuid_t uuid_dcerpc_atsvc = {
0x1ff70682, 0x0a51, 0x30e8,
{ 0x07, 0x6d, 0x74, 0x0b, 0xe8, 0xce, 0xe9, 0x8b }
};
static guint16 ver_dcerpc_atsvc = 1;
/*
IDL typedef struct {
IDL long JobTime;
IDL long DaysOfMonth;
IDL char DaysOfWeek;
IDL char Flags;
IDL [unique] [string] wchar_t *Command;
IDL } AT_INFO;
*/
static int
atsvc_dissect_AT_INFO_fields(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
proto_item *item = NULL;
proto_tree *flags_tree = NULL;
guint32 job_time;
guint8 job_flags;
guint8 job_hour, job_min, job_sec;
guint16 job_msec;
dcerpc_info *di = (dcerpc_info *) pinfo->private_data;
offset = dissect_ndr_uint32(tvb, offset, pinfo, NULL, drep,
0, &job_time);
job_hour = job_time / 3600000;
job_min = (job_time - job_hour * 3600000) / 60000;
job_sec = (job_time - (job_hour * 3600000) - (job_min * 60000)) / 1000;
job_msec = (job_time - (job_hour * 3600000) - (job_min * 60000) - (job_sec * 1000));
proto_tree_add_uint_format(tree, hf_atsvc_job_time, tvb, offset - 4,
4, job_time, "Time: %02d:%02d:%02d:%03d", job_hour, job_min, job_sec, job_msec);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_atsvc_job_days_of_month, NULL);
offset = dissect_ndr_uint8(tvb, offset, pinfo, tree, drep,
hf_atsvc_job_days_of_week, NULL);
offset = dissect_ndr_uint8(tvb, offset, pinfo, NULL, drep,
0, &job_flags);
item = proto_tree_add_text(tree, tvb, offset-1, 1, "Flags: 0x%02x", job_flags);
flags_tree = proto_item_add_subtree(item, ett_dcerpc_atsvc_job_flags);
if (flags_tree) {
#define JOB_RUN_PERIODICALLY 0x01
#define JOB_EXEC_ERROR 0x02
#define JOB_RUNS_TODAY 0x04
#define JOB_ADD_CURRENT_DATE 0x08
#define JOB_NONINTERACTIVE 0x10
if (di->call_data->opnum == ATSVC_JOB_ADD) {
if (job_flags & JOB_RUN_PERIODICALLY) {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_run_periodically,
tvb, offset-1, 1, job_flags);
}
else {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_run_periodically,
tvb, offset-1, 1, 0);
}
if (job_flags & JOB_ADD_CURRENT_DATE) {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_add_current_date,
tvb, offset-1, 1, job_flags);
}
else {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_add_current_date,
tvb, offset-1, 1, 0);
}
if (job_flags & JOB_NONINTERACTIVE) {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_noninteractive,
tvb, offset-1, 1, job_flags);
}
else {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_noninteractive,
tvb, offset-1, 1, job_flags);
}
}
if ((di->call_data->opnum == ATSVC_JOB_GETINFO)
|| (di->call_data->opnum == ATSVC_JOB_ENUM)) {
if (job_flags & JOB_RUN_PERIODICALLY) {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_run_periodically,
tvb, offset-1, 1, job_flags);
}
else {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_run_periodically,
tvb, offset-1, 1, 0);
}
if (job_flags & JOB_EXEC_ERROR) {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_exec_error,
tvb, offset-1, 1, job_flags);
}
else {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_exec_error,
tvb, offset-1, 1, 0);
}
if (job_flags & JOB_RUNS_TODAY) {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_runs_today,
tvb, offset-1, 1, job_flags);
}
else {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_runs_today,
tvb, offset-1, 1, 0);
}
if (job_flags & JOB_NONINTERACTIVE) {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_noninteractive,
tvb, offset-1, 1, job_flags);
}
else {
proto_tree_add_boolean(flags_tree, hf_atsvc_job_flags_noninteractive,
tvb, offset-1, 1, job_flags);
}
}
}
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Command", hf_atsvc_command, 0);
return offset;
}
static int
atsvc_dissect_AT_INFO(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
proto_item *item = NULL;
proto_tree *subtree = NULL;
if (tree) {
item = proto_tree_add_text(tree, tvb, offset, -1, "Job");
subtree = proto_item_add_subtree(item, ett_dcerpc_atsvc_job);
}
offset = atsvc_dissect_AT_INFO_fields(tvb, offset, pinfo, subtree, drep);
return offset;
}
/*
IDL long NetrJobAdd(
IDL [in] [unique] [string] wchar_t *Servername,
IDL [in] [ref] AT_INFO *element_22,
IDL [out] [ref] long *JobId
IDL );
*/
static int
atsvc_dissect_add_rqst(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Server", hf_atsvc_server, 0);
offset = atsvc_dissect_AT_INFO(tvb, offset, pinfo, tree, drep);
return offset;
}
static int
atsvc_dissect_add_reply(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_atsvc_job_id, NULL);
offset = dissect_ntstatus(tvb, offset, pinfo, tree, drep,
hf_atsvc_rc, NULL);
return offset;
}
/*
IDL long NetrJobDel(
IDL [in] [unique] [string] wchar_t *Servername,
IDL [in] long MinJobId,
IDL [in] long MaxJobId,
IDL );
*/
static int
atsvc_dissect_del_rqst(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Server", hf_atsvc_server, 0);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_atsvc_min_job_id, NULL);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_atsvc_max_job_id, NULL);
return offset;
}
static int
atsvc_dissect_del_reply(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
offset = dissect_ntstatus(tvb, offset, pinfo, tree, drep,
hf_atsvc_rc, NULL);
return offset;
}
/*
IDL typedef struct {
IDL long JobId;
IDL long JobTime;
IDL long DaysOfMonth;
IDL char DaysOfWeek;
IDL char Flags;
IDL [unique] [string] wchar_t *Command;
IDL } AT_ENUM;
*/
static int
atsvc_dissect_AT_ENUM(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
proto_item *item = NULL;
proto_tree *subtree = NULL;
guint32 job_id;
offset = dissect_ndr_uint32(tvb, offset, pinfo, NULL, drep,
0, &job_id);
if (tree) {
item = proto_tree_add_text(tree, tvb, offset, -1, "Job %d", job_id);
subtree = proto_item_add_subtree(item, ett_dcerpc_atsvc_job);
}
proto_tree_add_uint_format(subtree, hf_atsvc_job_id, tvb, offset - 4,
4, job_id, "Job ID: %d", job_id);
offset = atsvc_dissect_AT_INFO_fields(tvb, offset, pinfo, subtree, drep);
return offset;
}
static int
atsvc_dissect_ENUM_HANDLE(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
guint8 *drep)
{
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_atsvc_enum_handle, 0);
return offset;
}
static int
atsvc_dissect_AT_ENUM_array(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
guint8 *drep)
{
offset = dissect_ndr_ucarray(tvb, offset, pinfo, tree, drep,
atsvc_dissect_AT_ENUM);
return offset;
}
/*
IDL typedef struct {
IDL long EntriesRead;
IDL [size_is(EntriesRead)] [unique] AT_ENUM *first_entry;
IDL } AT_ENUM_CONTAINER;
*/
static int
atsvc_dissect_AT_ENUM_CONTAINER(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
guint8 *drep)
{
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_atsvc_num_entries, NULL);
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
atsvc_dissect_AT_ENUM_array, NDR_POINTER_UNIQUE,
"AT_ENUM array:", -1);
return offset;
}
/*
IDL long NetrJobEnum(
IDL [in] [unique] [string] wchar_t *Servername,
IDL [in,out] [ref] AT_ENUM_CONTAINER *PointerToBuffer,
IDL [in] long PreferredMaximumLength,
IDL [out] [ref] long *TotalEntries,
IDL [in,out] [unique] long *ResumeHandle
IDL );
*/
static int
atsvc_dissect_enum_rqst(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Server", hf_atsvc_server, 0);
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
atsvc_dissect_AT_ENUM_CONTAINER,
NDR_POINTER_REF, "Job list", -1);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_atsvc_pref_max, 0);
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
atsvc_dissect_ENUM_HANDLE,
NDR_POINTER_UNIQUE, "Enum Handle", -1);
return offset;
}
static int
atsvc_dissect_enum_reply(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
atsvc_dissect_AT_ENUM_CONTAINER,
NDR_POINTER_REF, "Job list", -1);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_atsvc_total_entries, 0);
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
atsvc_dissect_ENUM_HANDLE,
NDR_POINTER_UNIQUE, "Enum Handle", -1);
offset = dissect_ntstatus(tvb, offset, pinfo, tree, drep,
hf_atsvc_rc, NULL);
return offset;
}
/*
IDL long NetrJobGetInfo(
IDL [in] [unique] [string] wchar_t *Servername,
IDL [in] long JobId,
IDL [out] [ref] AT_INFO **PointerToBuffer
IDL );
*/
static int
atsvc_dissect_getinfo_rqst(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Server", hf_atsvc_server, 0);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_atsvc_job_id, NULL);
return offset;
}
static int
atsvc_dissect_getinfo_reply(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
atsvc_dissect_AT_INFO, NDR_POINTER_UNIQUE,
"Job info", -1);
offset = dissect_ntstatus(tvb, offset, pinfo, tree, drep,
hf_atsvc_rc, NULL);
return offset;
}
static dcerpc_sub_dissector dcerpc_atsvc_dissectors[] = {
{ ATSVC_JOB_ADD, "NetrJobAdd", atsvc_dissect_add_rqst, atsvc_dissect_add_reply },
{ ATSVC_JOB_DEL, "NetrJobDel", atsvc_dissect_del_rqst, atsvc_dissect_del_reply },
{ ATSVC_JOB_ENUM, "NetrJobEnum", atsvc_dissect_enum_rqst, atsvc_dissect_enum_reply },
{ ATSVC_JOB_GETINFO, "NetrJobGetInfo", atsvc_dissect_getinfo_rqst, atsvc_dissect_getinfo_reply },
{ 0, NULL, NULL, NULL }
};
static const value_string atsvc_job_day_of_month[] = {
{ 0x00, "n/a" },
{ 0x01, "01" },
{ 0x02, "02" },
{ 0x04, "03" },
{ 0x08, "04" },
{ 0x10, "05" },
{ 0x20, "06" },
{ 0x40, "07" },
{ 0x80, "08" },
{ 0x100, "09" },
{ 0x200, "10" },
{ 0x400, "11" },
{ 0x800, "12" },
{ 0x1000, "13" },
{ 0x2000, "14" },
{ 0x4000, "15" },
{ 0x8000, "16" },
{ 0x10000, "17" },
{ 0x20000, "18" },
{ 0x40000, "19" },
{ 0x80000, "20" },
{ 0x100000, "21" },
{ 0x200000, "22" },
{ 0x400000, "23" },
{ 0x800000, "24" },
{ 0x1000000, "25" },
{ 0x2000000, "26" },
{ 0x4000000, "27" },
{ 0x8000000, "28" },
{ 0x10000000, "29" },
{ 0x20000000, "30" },
{ 0x40000000, "31" },
{ 0, NULL }
};
static const value_string atsvc_job_day_of_week[] = {
{ 0x00, "n/a" },
{ 0x01, "Monday" },
{ 0x02, "Tuesday" },
{ 0x04, "Wednesday" },
{ 0x08, "Thursday" },
{ 0x10, "Friday" },
{ 0x20, "Saturday" },
{ 0x40, "Sunday" },
{ 0, NULL }
};
static const true_false_string tfs_job_flags_type = {
"Job runs periodically",
"Job runs once"
};
static const true_false_string tfs_job_flags_exec_error = {
"Last job execution FAILED",
"Last job execution was successful"
};
static const true_false_string tfs_job_flags_runs_today = {
"Job is scheduled to execute today",
"Job is NOT scheduled to execute today"
};
static const true_false_string tfs_job_flags_add_current_date = {
"Job is scheduled relative to current day of month",
"Job is NOT scheduled relative to current day of month"
};
static const true_false_string tfs_job_flags_noninteractive = {
"Job is NOT interactive",
"Job is interactive"
};
void
proto_register_dcerpc_atsvc(void)
{
static hf_register_info hf[] = {
{ &hf_atsvc_server,
{ "Server", "atsvc.server", FT_STRING, BASE_NONE,
NULL, 0x0, "Server Name", HFILL}},
{ &hf_atsvc_command,
{ "Command", "atsvc.command", FT_STRING, BASE_NONE,
NULL, 0x0, "Command to execute", HFILL}},
{ &hf_atsvc_opnum,
{ "Operation", "atsvc.opnum", FT_UINT16, BASE_DEC,
NULL, 0x0, "Operation", HFILL }},
{&hf_atsvc_rc,
{ "Return code", "atsvc.rc", FT_UINT32, BASE_HEX,
VALS(NT_errors), 0x0, "atsvc status code", HFILL }},
{ &hf_atsvc_job_id,
{ "Job ID", "atsvc.job_id", FT_UINT32,
BASE_DEC, NULL, 0x0, "Job ID", HFILL}},
{ &hf_atsvc_job_time,
{ "Job time", "atsvc.job_time", FT_UINT32,
BASE_DEC, NULL, 0x0, "Job time", HFILL}},
{ &hf_atsvc_job_days_of_month,
{ "Job day of the month", "atsvc.job_day_of_month", FT_UINT32,
BASE_DEC, VALS(atsvc_job_day_of_month), 0x0, "Job day of the month", HFILL}},
{ &hf_atsvc_job_days_of_week,
{ "Job day of the week", "atsvc.job_day_of_week", FT_UINT8,
BASE_DEC, VALS(atsvc_job_day_of_week), 0x0, "Job day of the week", HFILL}},
{ &hf_atsvc_job_flags,
{ "Job flags", "atsvc.job_flags", FT_UINT8,
BASE_DEC, NULL, 0x0, "Job flags", HFILL}},
{ &hf_atsvc_min_job_id,
{ "Min job ID", "atsvc.min_id", FT_UINT32,
BASE_DEC, NULL, 0x0, "Min job ID", HFILL}},
{ &hf_atsvc_max_job_id,
{ "Max job ID", "atsvc.max_id", FT_UINT32,
BASE_DEC, NULL, 0x0, "Max job ID", HFILL}},
{ &hf_atsvc_job_flags_run_periodically,
{ "Job type", "atsvc.jobs.flags.type", FT_BOOLEAN, 8,
TFS(&tfs_job_flags_type), JOB_RUN_PERIODICALLY, "Job type", HFILL }},
{ &hf_atsvc_job_flags_exec_error,
{ "Last job execution status", "atsvc.jobs.flags.exec_error", FT_BOOLEAN, 8,
TFS(&tfs_job_flags_exec_error), JOB_EXEC_ERROR, "Last job execution status", HFILL }},
{ &hf_atsvc_job_flags_runs_today,
{ "Job schedule", "atsvc.jobs.flags.runs_today", FT_BOOLEAN, 8,
TFS(&tfs_job_flags_runs_today), JOB_RUNS_TODAY, "Job schedule", HFILL }},
{ &hf_atsvc_job_flags_add_current_date,
{ "Job relative to current day of month", "atsvc.jobs.flags.add_current_date", FT_BOOLEAN, 8,
TFS(&tfs_job_flags_add_current_date), JOB_ADD_CURRENT_DATE, "Job relative to current day of month", HFILL }},
{ &hf_atsvc_job_flags_noninteractive,
{ "Job interactive status", "atsvc.jobs.flags.noninteractive", FT_BOOLEAN, 8,
TFS(&tfs_job_flags_noninteractive), JOB_NONINTERACTIVE, "Job interactive status", HFILL }},
{ &hf_atsvc_job_enum_hnd,
{ "Handle", "atsvc.job.hnd", FT_BYTES, BASE_NONE, NULL, 0x0, "Context handle", HFILL }},
{ &hf_atsvc_jobs_count,
{ "Jobs count", "atsvc.jobs_count", FT_UINT32,
BASE_DEC, NULL, 0x0, "Number of jobs", HFILL}},
{ &hf_atsvc_enum_handle,
{ "Enumeration handle", "atsvc.enum_hnd", FT_BYTES,
BASE_HEX, NULL, 0x0, "Enumeration Handle", HFILL}},
{ &hf_atsvc_pref_max,
{ "Preferred max length", "atsvc.pref.max.len", FT_INT32,
BASE_DEC, NULL, 0x0, "Preferred max length", HFILL}},
{ &hf_atsvc_num_entries,
{ "Returned entries", "atsvc.num.entries", FT_INT32,
BASE_DEC, NULL, 0x0, "Number of returned entries", HFILL}},
{ &hf_atsvc_total_entries,
{ "Total entries", "atsvc.total.entries", FT_INT32,
BASE_DEC, NULL, 0x0, "Total number of available entries", HFILL}},
};
static gint *ett[] = {
&ett_dcerpc_atsvc,
&ett_dcerpc_atsvc_job,
&ett_dcerpc_atsvc_job_flags
};
proto_dcerpc_atsvc = proto_register_protocol(
"Microsoft Task Scheduler Service", "ATSVC", "atsvc");
proto_register_field_array(proto_dcerpc_atsvc, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_dcerpc_atsvc(void)
{
/* register protocol as dcerpc */
dcerpc_init_uuid(
proto_dcerpc_atsvc, ett_dcerpc_atsvc, &uuid_dcerpc_atsvc,
ver_dcerpc_atsvc, dcerpc_atsvc_dissectors, hf_atsvc_opnum);
}