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packet-dtpt.c
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packet-dtpt.c
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/* packet-dtpt.c
* Routines for Microsoft ActiveSync Desktop Pass-Through (DTPT) packet
* dissection
*
* Uwe Girlich <uwe@planetquake.com>
* http://www.synce.org/moin/ProtocolDocumentation/DesktopPassThrough
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* Copied from packet-quake.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <string.h>
#include <glib.h>
#include <epan/packet.h>
#include <epan/conversation.h>
#include <epan/prefs.h>
#include <epan/aftypes.h>
#include <epan/ipproto.h>
void proto_register_dtpt(void);
static int proto_dtpt = -1;
static int hf_dtpt_version = -1;
static int hf_dtpt_message_type = -1;
static int hf_dtpt_flags = -1;
static int hf_dtpt_flags_deep = -1;
static int hf_dtpt_flags_containers = -1;
static int hf_dtpt_flags_nocontainers = -1;
static int hf_dtpt_flags_nearest = -1;
static int hf_dtpt_flags_return_name = -1;
static int hf_dtpt_flags_return_type = -1;
static int hf_dtpt_flags_return_version = -1;
static int hf_dtpt_flags_return_comment = -1;
static int hf_dtpt_flags_return_addr = -1;
static int hf_dtpt_flags_return_blob = -1;
static int hf_dtpt_flags_return_aliases = -1;
static int hf_dtpt_flags_return_query_string = -1;
static int hf_dtpt_flags_flushcache = -1;
static int hf_dtpt_flags_flushprevious = -1;
static int hf_dtpt_flags_res_service = -1;
static int hf_dtpt_payload_size = -1;
static int hf_dtpt_handle = -1;
static int hf_dtpt_error = -1;
static int hf_dtpt_buffer_size = -1;
static int hf_dtpt_data_size = -1;
static int hf_dtpt_queryset_rawsize = -1;
static int hf_dtpt_queryset_size = -1;
static int hf_dtpt_queryset_service_instance_name_pointer = -1;
static int hf_dtpt_queryset_service_class_id_pointer = -1;
static int hf_dtpt_queryset_version = -1;
static int hf_dtpt_queryset_comment_pointer = -1;
static int hf_dtpt_queryset_namespace = -1;
static int hf_dtpt_queryset_provider_id_pointer = -1;
static int hf_dtpt_queryset_context_pointer = -1;
static int hf_dtpt_queryset_protocols_number = -1;
static int hf_dtpt_queryset_protocols_pointer = -1;
static int hf_dtpt_queryset_query_string_pointer = -1;
static int hf_dtpt_queryset_cs_addrs_number = -1;
static int hf_dtpt_queryset_cs_addrs_pointer = -1;
static int hf_dtpt_queryset_output_flags = -1;
static int hf_dtpt_queryset_blob_pointer = -1;
static int hf_dtpt_wstring_length = -1;
static int hf_dtpt_wstring_data = -1;
static int hf_dtpt_guid_length = -1;
static int hf_dtpt_guid_data = -1;
static int hf_dtpt_service_instance_name = -1;
static int hf_dtpt_service_class_id = -1;
static int hf_dtpt_comment = -1;
static int hf_dtpt_ns_provider_id = -1;
static int hf_dtpt_context = -1;
static int hf_dtpt_protocols_number = -1;
static int hf_dtpt_protocols_length = -1;
static int hf_dtpt_protocol_family = -1;
static int hf_dtpt_protocol_protocol = -1;
static int hf_dtpt_query_string = -1;
static int hf_dtpt_cs_addrs_number = -1;
static int hf_dtpt_cs_addrs_length1 = -1;
static int hf_dtpt_cs_addr_socket_type = -1;
static int hf_dtpt_cs_addr_protocol = -1;
static int hf_dtpt_cs_addr_local_pointer = -1;
static int hf_dtpt_cs_addr_local_length = -1;
static int hf_dtpt_cs_addr_local = -1;
static int hf_dtpt_cs_addr_remote_pointer = -1;
static int hf_dtpt_cs_addr_remote_length = -1;
static int hf_dtpt_cs_addr_remote = -1;
static int hf_dtpt_sockaddr_length = -1;
static int hf_dtpt_sockaddr_family = -1;
static int hf_dtpt_sockaddr_port = -1;
static int hf_dtpt_sockaddr_address = -1;
static int hf_dtpt_blob_rawsize = -1;
static int hf_dtpt_blob_size = -1;
static int hf_dtpt_blob_data_pointer = -1;
static int hf_dtpt_blob_data_length = -1;
static int hf_dtpt_blob_data = -1;
static int hf_dtpt_connect_addr = -1;
static gint ett_dtpt = -1;
static gint ett_dtpt_flags = -1;
static gint ett_dtpt_queryset = -1;
static gint ett_dtpt_wstring = -1;
static gint ett_dtpt_guid = -1;
static gint ett_dtpt_protocols = -1;
static gint ett_dtpt_protocol = -1;
static gint ett_dtpt_cs_addrs = -1;
static gint ett_dtpt_cs_addr1 = -1;
static gint ett_dtpt_cs_addr2 = -1;
static gint ett_dtpt_sockaddr = -1;
static gint ett_dtpt_blobraw = -1;
static gint ett_dtpt_blob = -1;
static dissector_handle_t dtpt_conversation_handle;
/** static dissector_handle_t dtpt_data_handle; **/
static dissector_handle_t data_handle;
/* Server port */
static unsigned int gbl_dtptServerPort=5721;
static const value_string names_message_type[] = {
#define LookupBeginRequest 9
{ LookupBeginRequest, "LookupBeginRequest" },
#define LookupBeginResponse 10
{ LookupBeginResponse, "LookupBeginResponse" },
#define LookupNextRequest 11
{ LookupNextRequest, "LookupNextRequest" },
#define LookupNextResponse 12
{ LookupNextResponse, "LookupNextResponse" },
#define LookupEndRequest 13
{ LookupEndRequest, "LookupEndRequest" },
#define ConnectRequest 1
{ ConnectRequest, "ConnectRequest" },
#define ConnectResponseOK 0x5A
{ ConnectResponseOK, "ConnectResponseOK" },
#define ConnectResponseERR 0x5B
{ ConnectResponseERR, "ConnectResponseERR" },
{ 0, NULL }
};
static const value_string names_error[] = {
{ 0, "OK" },
{ 10014, "WSAEFAULT" },
{ 10060, "WSAETIMEDOUT" },
{ 10108, "WSASERVICE_NOT_FOUND" },
{ 11001, "WSAHOST_NOT_FOUND" },
{ 0, NULL }
};
static const value_string names_family[] = {
{ WINSOCK_AF_INET, "AF_INET" },
{ 0, NULL }
};
/*
* Winsock's SOCK_ values. These are probably the same as they are on
* other OSes, as they probably all come from 4.2BSD, but it's still
* best to define them ourselves (to avoid problems if other OSes
* define them differently, and to avoid having to include system
* header files that might require a bunch of other includes).
*/
#define WINSOCK_SOCK_STREAM 1
#define WINSOCK_SOCK_DGRAM 2
#define WINSOCK_SOCK_RAW 3
static const value_string names_socket_type[] = {
{ WINSOCK_SOCK_STREAM, "SOCK_STREAM" },
{ WINSOCK_SOCK_DGRAM, "SOCK_DGRAM" },
{ WINSOCK_SOCK_RAW, "SOCK_RAW" },
{ 0, NULL }
};
static const value_string names_protocol[] = {
{ IP_PROTO_IP, "IPPROTO_IP" },
{ IP_PROTO_TCP, "IPPROTO_TCP" },
{ IP_PROTO_UDP, "IPPROTP_UDP" },
{ 0, NULL }
};
#define LUP_DEEP 0x0001
#define LUP_CONTAINERS 0x0002
#define LUP_NOCONTAINERS 0x0004
#define LUP_NEAREST 0x0008
#define LUP_RETURN_NAME 0x0010
#define LUP_RETURN_TYPE 0x0020
#define LUP_RETURN_VERSION 0x0040
#define LUP_RETURN_COMMENT 0x0080
#define LUP_RETURN_ADDR 0x0100
#define LUP_RETURN_BLOB 0x0200
#define LUP_RETURN_ALIASES 0x0400
#define LUP_RETURN_QUERY_STRING 0x0800
#define LUP_FLUSHCACHE 0x1000
#define LUP_FLUSHPREVIOUS 0x2000
#define LUP_RES_SERVICE 0x8000
#define SOCKADDR_WITH_LEN 1
#define SOCKADDR_CONNECT 2
static int
dissect_dtpt_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static int
dissect_dtpt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_);
static int
dissect_dtpt_wstring(tvbuff_t *tvb, guint offset, proto_tree *tree, int hfindex)
{
guint32 wstring_length;
guint32 wstring_size;
char *wstring_data = NULL;
guint32 wstring_padding = 0;
wstring_length = tvb_get_letohl(tvb, offset);
wstring_data = tvb_get_unicode_string(wmem_packet_scope(), tvb, offset+4, wstring_length, ENC_LITTLE_ENDIAN);
wstring_size = wstring_length;
if (wstring_size%4) {
wstring_padding = (4-wstring_size%4);
wstring_size += wstring_padding;
}
if (tree) {
proto_item *dtpt_wstring_item = NULL;
proto_tree *dtpt_wstring_tree = NULL;
dtpt_wstring_item = proto_tree_add_string(tree, hfindex,
tvb, offset+0, 4+wstring_size, wstring_data);
if (dtpt_wstring_item)
dtpt_wstring_tree = proto_item_add_subtree(dtpt_wstring_item, ett_dtpt_wstring);
if (dtpt_wstring_tree) {
proto_tree_add_uint(dtpt_wstring_tree, hf_dtpt_wstring_length,
tvb, offset+0, 4, wstring_length);
if (wstring_length)
proto_tree_add_string(dtpt_wstring_tree, hf_dtpt_wstring_data,
tvb, offset+4, wstring_length, wstring_data);
if (wstring_padding)
proto_tree_add_text(dtpt_wstring_tree, tvb,
offset+4+wstring_length,wstring_padding, "Padding");
}
}
offset += 4+wstring_size;
return offset;
}
static int
dissect_dtpt_guid(tvbuff_t *tvb, guint offset, proto_tree *tree, int hfindex)
{
guint32 guid_length;
guid_length = tvb_get_letohl(tvb, offset);
if (tree) {
e_guid_t guid;
proto_item *dtpt_guid_item = NULL;
proto_tree *dtpt_guid_tree = NULL;
const gchar *guid_name = NULL;
if (guid_length) {
tvb_get_guid(tvb, offset+4, &guid, ENC_LITTLE_ENDIAN);
}
else {
memset(&guid, 0, sizeof(guid));
}
dtpt_guid_item = proto_tree_add_guid(tree, hfindex, tvb, offset, 4 + guid_length, &guid);
if (dtpt_guid_item) {
guid_name = guids_get_guid_name(&guid);
if (guid_name != NULL)
proto_item_set_text(dtpt_guid_item, "%s: %s (%s)",
proto_registrar_get_name(hfindex), guid_name, guid_to_str(&guid));
dtpt_guid_tree = proto_item_add_subtree(dtpt_guid_item, ett_dtpt_guid);
}
if (dtpt_guid_tree) {
proto_item *dtpt_guid_data_item = NULL;
proto_tree_add_uint(dtpt_guid_tree, hf_dtpt_guid_length,
tvb, offset, 4, guid_length);
if (guid_length) {
dtpt_guid_data_item = proto_tree_add_guid(dtpt_guid_tree, hf_dtpt_guid_data,
tvb, offset+4, guid_length, &guid);
if (guid_name != NULL && dtpt_guid_data_item != NULL) {
proto_item_set_text(dtpt_guid_data_item, "%s: %s (%s)",
proto_registrar_get_name(hf_dtpt_guid_data),
guid_name, guid_to_str(&guid));
}
}
}
}
offset+=4;
offset+=guid_length;
return offset;
}
static int
dissect_dtpt_sockaddr(tvbuff_t *tvb, guint offset, proto_tree *tree, int hfindex, int sockaddr_type)
{
guint32 sockaddr_length = 0;
proto_item *sockaddr_item = NULL;
proto_tree *sockaddr_tree = NULL;
guint32 sockaddr_len1 = 0;
guint32 sockaddr_len2 = 0;
switch (sockaddr_type) {
case SOCKADDR_WITH_LEN:
sockaddr_len1=4;
sockaddr_len2=16;
break;
case SOCKADDR_CONNECT:
sockaddr_len1=0;
sockaddr_len2=30;
break;
}
if (sockaddr_type == SOCKADDR_WITH_LEN)
sockaddr_length = tvb_get_letohl(tvb, offset + 0);
if (tree) {
sockaddr_item = proto_tree_add_text(tree,
tvb, offset, sockaddr_len1+sockaddr_len2, "%s", proto_registrar_get_name(hfindex));
if (sockaddr_item)
sockaddr_tree = proto_item_add_subtree(sockaddr_item, ett_dtpt_sockaddr);
if (sockaddr_tree) {
if (sockaddr_type == SOCKADDR_WITH_LEN)
proto_tree_add_uint(sockaddr_tree, hf_dtpt_sockaddr_length,
tvb, offset+0, 4, sockaddr_length);
}
}
offset += sockaddr_len1;
if (sockaddr_tree) {
switch (sockaddr_type) {
case SOCKADDR_WITH_LEN: {
guint16 family;
family = tvb_get_letohs(tvb, offset);
proto_tree_add_uint(sockaddr_tree, hf_dtpt_sockaddr_family,
tvb, offset, 2, family);
switch (family) {
case WINSOCK_AF_INET: {
guint16 port;
guint32 addr;
port = tvb_get_ntohs(tvb,offset+2);
proto_tree_add_uint(sockaddr_tree, hf_dtpt_sockaddr_port,
tvb, offset+2,2,port);
addr = tvb_get_ipv4(tvb,offset+4);
proto_tree_add_ipv4(sockaddr_tree, hf_dtpt_sockaddr_address,
tvb, offset+4,4,addr);
proto_tree_add_text(sockaddr_tree, tvb, offset+8, 8, "Padding");
proto_item_append_text(sockaddr_item, ": %s:%d", ip_to_str((guint8*)&addr), port);
}
break;
}
}
break;
case SOCKADDR_CONNECT: {
guint32 family;
family = tvb_get_letohl(tvb, offset+0);
proto_tree_add_uint(sockaddr_tree, hf_dtpt_sockaddr_family,
tvb, offset+0, 4, family);
switch (family) {
case WINSOCK_AF_INET: {
guint16 port;
guint32 addr;
proto_tree_add_text(sockaddr_tree, tvb, offset+4, 4, "Padding");
port = tvb_get_ntohs(tvb,offset+8);
proto_tree_add_uint(sockaddr_tree, hf_dtpt_sockaddr_port,
tvb, offset+8,2,port);
addr = tvb_get_ipv4(tvb,offset+10);
proto_tree_add_ipv4(sockaddr_tree, hf_dtpt_sockaddr_address,
tvb, offset+10,4,addr);
proto_tree_add_text(sockaddr_tree, tvb, offset+14, 16, "Padding");
proto_item_append_text(sockaddr_item, ": %s:%d", ip_to_str((guint8*)&addr), port);
}
break;
}
}
break;
}
}
offset += sockaddr_len2;
return offset;
}
static int
dissect_dtpt_conversation(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
guint offset = 0;
/* First try to decode it as "normal" DTPT packets. */
offset = dissect_dtpt(tvb, pinfo, tree, NULL);
if (offset == 0) {
/* No, maybe it was a DTPT data packet. */
offset = dissect_dtpt_data(tvb, pinfo, tree);
}
/* Handle any remaining bytes ... */
if (tvb_reported_length_remaining(tvb, offset) > 0) {
/* ... as data. */
call_dissector(data_handle,
tvb_new_subset_remaining(tvb, offset), pinfo, tree);
}
return tvb_reported_length(tvb);
}
static int
dissect_dtpt_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
proto_item *dtpt_item = NULL;
proto_tree *dtpt_tree = NULL;
proto_item *dtpt_queryset_item = NULL;
proto_tree *dtpt_queryset_tree = NULL;
guint offset = 0;
guint32 queryset_rawsize;
guint32 queryset_size;
guint32 num_protocols;
guint32 protocols_length = 0;
guint32 addrs_start;
guint32 num_addrs;
guint32 addrs_length1 = 0;
proto_item *dtpt_addrs_item = NULL;
proto_tree *dtpt_addrs_tree = NULL;
guint32 blob_rawsize = 0;
guint32 blob_size = 0;
guint32 blob_data_length = 0;
queryset_rawsize = tvb_get_letohl(tvb, offset + 0);
if (queryset_rawsize != 60) return 0;
queryset_size = tvb_get_letohl(tvb, offset + 4);
if (queryset_size != 60) return 0;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "DTPT");
col_set_str(pinfo->cinfo, COL_INFO, "QuerySet");
if (tree) {
dtpt_item = proto_tree_add_item(tree, proto_dtpt,
tvb, 0, -1, ENC_NA);
if (dtpt_item)
dtpt_tree = proto_item_add_subtree(dtpt_item, ett_dtpt);
}
if (dtpt_tree) {
proto_tree_add_uint(dtpt_tree, hf_dtpt_queryset_rawsize,
tvb, 0, 4, queryset_rawsize);
dtpt_queryset_item = proto_tree_add_text(dtpt_tree,
tvb, 4, 60, "QuerySet raw");
if (dtpt_queryset_item)
dtpt_queryset_tree = proto_item_add_subtree(dtpt_queryset_item, ett_dtpt_queryset);
if (dtpt_queryset_tree) {
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_size,
tvb, offset+4+0, 4, queryset_size);
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_service_instance_name_pointer,
tvb, offset+4+4, 4, tvb_get_letohl(tvb, offset+4+ 4));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_service_class_id_pointer,
tvb, offset+4+8, 4, tvb_get_letohl(tvb, offset+4+ 8));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_version,
tvb, offset+4+12, 4, tvb_get_letohl(tvb, offset+4+12));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_comment_pointer,
tvb, offset+4+16, 4, tvb_get_letohl(tvb, offset+4+16));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_namespace,
tvb, offset+4+20, 4, tvb_get_letohl(tvb, offset+4+20));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_provider_id_pointer,
tvb, offset+4+24, 4, tvb_get_letohl(tvb, offset+4+24));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_context_pointer,
tvb, offset+4+28, 4, tvb_get_letohl(tvb, offset+4+28));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_protocols_number,
tvb, offset+4+32, 4, tvb_get_letohl(tvb, offset+4+32));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_protocols_pointer,
tvb, offset+4+36, 4, tvb_get_letohl(tvb, offset+4+36));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_query_string_pointer,
tvb, offset+4+40, 4, tvb_get_letohl(tvb, offset+4+40));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_cs_addrs_number,
tvb, offset+4+44, 4, tvb_get_letohl(tvb, offset+4+44));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_cs_addrs_pointer,
tvb, offset+4+48, 4, tvb_get_letohl(tvb, offset+4+48));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_output_flags,
tvb, offset+4+52, 4, tvb_get_letohl(tvb, offset+4+52));
proto_tree_add_uint(dtpt_queryset_tree, hf_dtpt_queryset_blob_pointer,
tvb, offset+4+56, 4, tvb_get_letohl(tvb, offset+4+56));
}
}
offset += 4;
offset += 60;
offset = dissect_dtpt_wstring(tvb, offset, dtpt_tree, hf_dtpt_service_instance_name);
offset = dissect_dtpt_guid (tvb, offset, dtpt_tree, hf_dtpt_service_class_id );
offset = dissect_dtpt_wstring(tvb, offset, dtpt_tree, hf_dtpt_comment );
offset = dissect_dtpt_guid (tvb, offset, dtpt_tree, hf_dtpt_ns_provider_id );
offset = dissect_dtpt_wstring(tvb, offset, dtpt_tree, hf_dtpt_context );
num_protocols = tvb_get_letohl(tvb, offset);
if (num_protocols>0) {
protocols_length = tvb_get_letohl(tvb, offset+4);
}
if (dtpt_tree) {
proto_item *dtpt_protocols_item = NULL;
proto_tree *dtpt_protocols_tree = NULL;
guint32 i;
dtpt_protocols_item = proto_tree_add_text(dtpt_tree,
tvb, offset, 4+(num_protocols>0?4:0)+num_protocols*8,
"Protocols: %d", num_protocols);
if (dtpt_protocols_item)
dtpt_protocols_tree = proto_item_add_subtree(dtpt_protocols_item, ett_dtpt_protocols);
if (dtpt_protocols_tree) {
proto_tree_add_uint(dtpt_protocols_tree, hf_dtpt_protocols_number,
tvb, offset, 4, num_protocols);
if (num_protocols>0)
proto_tree_add_uint(dtpt_protocols_tree, hf_dtpt_protocols_length,
tvb, offset+4, 4, protocols_length);
for (i=0;i<num_protocols;i++) {
proto_item *dtpt_protocol_item = NULL;
proto_tree *dtpt_protocol_tree = NULL;
dtpt_protocol_item = proto_tree_add_text(dtpt_protocols_tree,
tvb, offset+4+4+i*8, 8, "Protocol[%d]", i+1);
if (dtpt_protocol_item)
dtpt_protocol_tree = proto_item_add_subtree(dtpt_protocol_item, ett_dtpt_protocol);
if (dtpt_protocol_tree) {
proto_tree_add_uint(dtpt_protocol_tree, hf_dtpt_protocol_family,
tvb, offset+4+4+i*8, 4, tvb_get_letohl(tvb, offset+4+4+i*8));
proto_tree_add_uint(dtpt_protocol_tree, hf_dtpt_protocol_protocol,
tvb, offset+4+4+i*8+4, 4, tvb_get_letohl(tvb, offset+4+4+i*8+4));
}
}
}
}
offset += 4 + (num_protocols>0?4:0) + num_protocols*8;
offset = dissect_dtpt_wstring(tvb, offset, dtpt_tree, hf_dtpt_query_string );
addrs_start = offset;
num_addrs = tvb_get_letohl(tvb, offset);
if (num_addrs>0) {
addrs_length1 = tvb_get_letohl(tvb, offset+4);
}
if (dtpt_tree) {
dtpt_addrs_item = proto_tree_add_text(dtpt_tree,
tvb, offset, -1, "Addresses");
if (dtpt_addrs_item)
dtpt_addrs_tree = proto_item_add_subtree(dtpt_addrs_item, ett_dtpt_cs_addrs);
if (dtpt_addrs_tree) {
proto_tree_add_uint(dtpt_addrs_tree, hf_dtpt_cs_addrs_number,
tvb, offset, 4, num_addrs);
if (num_addrs>0)
proto_tree_add_uint(dtpt_addrs_tree, hf_dtpt_cs_addrs_length1,
tvb, offset+4, 4, addrs_length1);
}
}
offset += 4 + (num_addrs>0?4:0);
if (num_addrs>0) {
guint32 i;
guint32 offset2;
offset2 = offset + 24*num_addrs;
for (i=0;i<num_addrs;i++,offset+=24) {
proto_item *dtpt_addr1_item = NULL;
proto_tree *dtpt_addr1_tree = NULL;
proto_item *dtpt_addr2_item = NULL;
proto_tree *dtpt_addr2_tree = NULL;
guint32 offset2_start;
if (dtpt_addrs_tree) {
dtpt_addr1_item = proto_tree_add_text(dtpt_addrs_tree,
tvb, offset, 24, "Address[%u] Part 1", i+1);
if (dtpt_addr1_item)
dtpt_addr1_tree = proto_item_add_subtree(dtpt_addr1_item,
ett_dtpt_cs_addr1);
if (dtpt_addr1_tree) {
proto_tree_add_uint(dtpt_addr1_tree, hf_dtpt_cs_addr_local_pointer,
tvb, offset+ 0, 4, tvb_get_letohl(tvb, offset+ 0));
proto_tree_add_uint(dtpt_addr1_tree, hf_dtpt_cs_addr_local_length,
tvb, offset+ 4, 4, tvb_get_letohl(tvb, offset+ 4));
proto_tree_add_uint(dtpt_addr1_tree, hf_dtpt_cs_addr_remote_pointer,
tvb, offset+ 8, 4, tvb_get_letohl(tvb, offset+ 8));
proto_tree_add_uint(dtpt_addr1_tree, hf_dtpt_cs_addr_remote_length,
tvb, offset+12, 4, tvb_get_letohl(tvb, offset+12));
proto_tree_add_uint(dtpt_addr1_tree, hf_dtpt_cs_addr_socket_type,
tvb, offset+16, 4, tvb_get_letohl(tvb, offset+16));
proto_tree_add_uint(dtpt_addr1_tree, hf_dtpt_cs_addr_protocol,
tvb, offset+20, 4, tvb_get_letohl(tvb, offset+20));
}
dtpt_addr2_item = proto_tree_add_text(dtpt_addrs_tree,
tvb, offset2, -1, "Address[%u] Part 2", i+1);
if (dtpt_addr2_item)
dtpt_addr2_tree = proto_item_add_subtree(dtpt_addr2_item,
ett_dtpt_cs_addr2);
}
offset2_start = offset2;
offset2 = dissect_dtpt_sockaddr(tvb, offset2, dtpt_addr2_tree, hf_dtpt_cs_addr_local, SOCKADDR_WITH_LEN);
offset2 = dissect_dtpt_sockaddr(tvb, offset2, dtpt_addr2_tree, hf_dtpt_cs_addr_remote, SOCKADDR_WITH_LEN);
if (dtpt_addr2_item)
proto_item_set_len(dtpt_addr2_item,
offset2 - offset2_start);
}
offset = offset2;
}
if (dtpt_addrs_item)
proto_item_set_len(dtpt_addrs_item, offset - addrs_start);
if (dtpt_item)
proto_item_set_len(dtpt_item, offset);
blob_rawsize = tvb_get_letohl(tvb, offset);
if (blob_rawsize>=4) {
blob_size = tvb_get_letohl(tvb,offset+4+0);
}
if (dtpt_tree) {
proto_item *dtpt_blobraw_item = NULL;
proto_tree *dtpt_blobraw_tree = NULL;
proto_tree_add_uint(dtpt_tree, hf_dtpt_blob_rawsize,
tvb, offset+0, 4, blob_rawsize);
if (blob_rawsize>0) {
dtpt_blobraw_item = proto_tree_add_text(dtpt_tree,
tvb, offset+4, blob_rawsize, "Blob raw");
if (dtpt_blobraw_item)
dtpt_blobraw_tree = proto_item_add_subtree(dtpt_blobraw_item,
ett_dtpt_blobraw);
if (dtpt_blobraw_tree) {
proto_tree_add_uint(dtpt_blobraw_tree, hf_dtpt_blob_size,
tvb, offset+4+0, 4, blob_size);
proto_tree_add_uint(dtpt_blobraw_tree, hf_dtpt_blob_data_pointer,
tvb, offset+4+4, 4, tvb_get_letohl(tvb,offset+4+4));
}
}
}
offset += 4+blob_rawsize;
if (dtpt_item)
proto_item_set_len(dtpt_item, offset);
if (blob_size>0) {
proto_item *dtpt_blob_item = NULL;
proto_tree *dtpt_blob_tree = NULL;
blob_data_length = tvb_get_letohl(tvb,offset);
if (dtpt_tree) {
dtpt_blob_item = proto_tree_add_text(dtpt_tree,
tvb, offset, 4+blob_data_length, "Blob");
if (dtpt_blob_item)
dtpt_blob_tree = proto_item_add_subtree(dtpt_blob_item,
ett_dtpt_blob);
if (dtpt_blob_tree) {
proto_tree_add_uint(dtpt_blob_tree, hf_dtpt_blob_data_length,
tvb, offset+0, 4, blob_data_length);
proto_tree_add_item(dtpt_blob_tree, hf_dtpt_blob_data,
tvb, offset+4, blob_data_length, ENC_NA);
}
}
offset += 4+blob_data_length;
if (dtpt_item)
proto_item_set_len(dtpt_item, offset);
}
return offset;
}
static int
dissect_dtpt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
proto_tree *dtpt_tree = NULL;
proto_item *dtpt_item = NULL;
guint8 version;
guint8 message_type;
guint32 flags;
guint32 payload_size;
version = tvb_get_guint8(tvb, 0);
if (version != 1) return 0;
message_type = tvb_get_guint8(tvb, 1);
switch (message_type) {
case LookupBeginRequest:
case LookupBeginResponse:
case LookupNextRequest:
case LookupNextResponse:
case LookupEndRequest:
if (tvb_reported_length(tvb) != 20) return 0;
break;
case ConnectRequest:
case ConnectResponseOK:
case ConnectResponseERR:
if (tvb_reported_length(tvb) != 36) return 0;
break;
default:
return 0;
}
col_set_str(pinfo->cinfo, COL_PROTOCOL, "DTPT");
col_add_str(pinfo->cinfo, COL_INFO, val_to_str(message_type, names_message_type, "Unknown (%d)"));
if (message_type == LookupBeginRequest) {
conversation_t *c;
c = find_or_create_conversation(pinfo);
conversation_set_dissector(c, dtpt_conversation_handle);
}
if (tree) {
dtpt_item = proto_tree_add_item(tree, proto_dtpt,
tvb, 0, -1, ENC_NA);
if (dtpt_item)
dtpt_tree = proto_item_add_subtree(dtpt_item, ett_dtpt);
}
if (dtpt_tree) {
proto_tree_add_uint(dtpt_tree, hf_dtpt_version,
tvb, 0, 1, version);
proto_tree_add_uint(dtpt_tree, hf_dtpt_message_type,
tvb, 1, 1, message_type);
switch (message_type) {
case LookupBeginRequest: {
proto_item* flags_item = NULL;
proto_tree* flags_tree = NULL;
flags = tvb_get_letohl(tvb, 12);
flags_item = proto_tree_add_uint(dtpt_tree, hf_dtpt_flags,
tvb, 12, 4, flags);
if (flags_item) {
flags_tree = proto_item_add_subtree(flags_item, ett_dtpt_flags);
}
if (flags_tree) {
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_res_service, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_flushprevious, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_flushcache, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_return_query_string, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_return_aliases, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_return_blob, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_return_addr, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_return_comment, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_return_version, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_return_type, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_return_name, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_nearest, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_nocontainers, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_containers, tvb, 12, 4, flags);
proto_tree_add_boolean(flags_tree, hf_dtpt_flags_deep, tvb, 12, 4, flags);
}
payload_size = tvb_get_letohl(tvb, 16);
proto_tree_add_uint(dtpt_tree, hf_dtpt_payload_size,
tvb, 16, 4, payload_size);
}
break;
case LookupBeginResponse: {
proto_tree_add_uint64(dtpt_tree, hf_dtpt_handle,
tvb, 4, 8, tvb_get_letoh64(tvb, 4));
proto_tree_add_uint(dtpt_tree, hf_dtpt_error,
tvb, 12, 4, tvb_get_letohl(tvb, 12));
}
break;
case LookupNextRequest: {
proto_tree_add_uint64(dtpt_tree, hf_dtpt_handle,
tvb, 4, 8, tvb_get_letoh64(tvb, 4));
proto_tree_add_uint(dtpt_tree, hf_dtpt_buffer_size,
tvb, 16, 4, tvb_get_letohl(tvb, 16));
}
break;
case LookupNextResponse: {
proto_tree_add_uint(dtpt_tree, hf_dtpt_error,
tvb, 12, 4, tvb_get_letohl(tvb, 12));
proto_tree_add_uint(dtpt_tree, hf_dtpt_data_size,
tvb, 16, 4, tvb_get_letohl(tvb, 16));
}
break;
case LookupEndRequest: {
proto_tree_add_uint64(dtpt_tree, hf_dtpt_handle,
tvb, 4, 8, tvb_get_letoh64(tvb, 4));
}
break;
case ConnectRequest: {
dissect_dtpt_sockaddr(tvb, 2, dtpt_tree, hf_dtpt_connect_addr, SOCKADDR_CONNECT);
proto_tree_add_uint(dtpt_tree, hf_dtpt_error,
tvb, 32, 4, tvb_get_letohl(tvb, 32));
}
break;
case ConnectResponseOK: {
dissect_dtpt_sockaddr(tvb, 2, dtpt_tree, hf_dtpt_connect_addr, SOCKADDR_CONNECT);
proto_tree_add_uint(dtpt_tree, hf_dtpt_error,
tvb, 32, 4, tvb_get_letohl(tvb, 32));
}
break;
case ConnectResponseERR: {
dissect_dtpt_sockaddr(tvb, 2, dtpt_tree, hf_dtpt_connect_addr, SOCKADDR_CONNECT);
proto_tree_add_uint(dtpt_tree, hf_dtpt_error,
tvb, 32, 4, tvb_get_letohl(tvb, 32));
}
break;
}
}
return tvb_length(tvb);
}
void proto_reg_handoff_dtpt(void);
void
proto_register_dtpt(void)
{
static hf_register_info hf[] = {
{ &hf_dtpt_version,
{ "Version", "dtpt.version",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Protocol Version", HFILL }},
{ &hf_dtpt_message_type,
{ "Message Type", "dtpt.message_type",
FT_UINT8, BASE_DEC, VALS(names_message_type), 0x0,
"Packet Message Type", HFILL }},
{ &hf_dtpt_flags,
{ "ControlFlags", "dtpt.flags",
FT_UINT32, BASE_HEX, NULL, 0x0,
"ControlFlags as documented for WSALookupServiceBegin", HFILL }},
{ &hf_dtpt_flags_deep,
{ "DEEP", "dtpt.flags.deep",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_DEEP,
NULL, HFILL }},
{ &hf_dtpt_flags_containers,
{ "CONTAINERS", "dtpt.flags.containers",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_CONTAINERS,
NULL, HFILL }},
{ &hf_dtpt_flags_nocontainers,
{ "NOCONTAINERS", "dtpt.flags.nocontainers",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_NOCONTAINERS,
NULL, HFILL }},
{ &hf_dtpt_flags_nearest,
{ "NEAREST", "dtpt.flags.nearest",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_NEAREST,
NULL, HFILL }},
{ &hf_dtpt_flags_return_name,
{ "RETURN_NAME", "dtpt.flags.return_name",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_RETURN_NAME,
NULL, HFILL }},
{ &hf_dtpt_flags_return_type,
{ "RETURN_TYPE", "dtpt.flags.return_type",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_RETURN_TYPE,
NULL, HFILL }},
{ &hf_dtpt_flags_return_version,
{ "RETURN_VERSION", "dtpt.flags.return_version",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_RETURN_VERSION,
NULL, HFILL }},
{ &hf_dtpt_flags_return_comment,
{ "RETURN_COMMENT", "dtpt.flags.return_comment",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_RETURN_COMMENT,
NULL, HFILL }},
{ &hf_dtpt_flags_return_addr,
{ "RETURN_ADDR", "dtpt.flags.return_addr",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_RETURN_ADDR,
NULL, HFILL }},
{ &hf_dtpt_flags_return_blob,
{ "RETURN_BLOB", "dtpt.flags.return_blob",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_RETURN_BLOB,
NULL, HFILL }},
{ &hf_dtpt_flags_return_aliases,
{ "RETURN_ALIASES", "dtpt.flags.return_aliases",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_RETURN_ALIASES,
NULL, HFILL }},
{ &hf_dtpt_flags_return_query_string,
{ "RETURN_QUERY_STRING", "dtpt.flags.return_query_string",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_RETURN_QUERY_STRING,
NULL, HFILL }},
{ &hf_dtpt_flags_flushcache,
{ "FLUSHCACHE", "dtpt.flags.flushcache",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_FLUSHCACHE,
NULL, HFILL }},
{ &hf_dtpt_flags_flushprevious,
{ "FLUSHPREVIOUS", "dtpt.flags.flushprevious",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_FLUSHPREVIOUS,
NULL, HFILL }},
{ &hf_dtpt_flags_res_service,
{ "RES_SERVICE", "dtpt.flags.res_service",
FT_BOOLEAN, 32, TFS(&tfs_set_notset), LUP_RES_SERVICE,
NULL, HFILL }},
{ &hf_dtpt_payload_size,
{ "Payload Size", "dtpt.payload_size",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Payload Size of the following packet containing a serialized WSAQUERYSET", HFILL }},
{ &hf_dtpt_handle,
{ "Handle", "dtpt.handle",
FT_UINT64, BASE_HEX, NULL, 0x0,
"Lookup handle", HFILL }},
{ &hf_dtpt_error,
{ "Last Error", "dtpt.error",
FT_UINT32, BASE_DEC, VALS(names_error), 0x0,
NULL, HFILL }},
{ &hf_dtpt_buffer_size,
{ "Buffer Size", "dtpt.buffer_size",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_dtpt_data_size,
{ "Data Size", "dtpt.data_size",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_dtpt_queryset_rawsize,
{ "QuerySet Size", "dtpt.queryset_size",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Size of the binary WSAQUERYSET", HFILL }},
{ &hf_dtpt_queryset_size,
{ "dwSize", "dtpt.queryset.dwSize",
FT_UINT32, BASE_DEC, NULL, 0x0,
"dwSize field in WSAQUERYSET", HFILL }},
{ &hf_dtpt_queryset_service_instance_name_pointer,
{ "lpszServiceInstanceName", "dtpt.queryset.lpszServiceInstanceName",
FT_UINT32, BASE_HEX, NULL, 0x0,
"lpszServiceInstanceName field in WSAQUERYSET", HFILL }},
{ &hf_dtpt_queryset_service_class_id_pointer,
{ "lpServiceClassId", "dtpt.queryset.lpServiceClassId",
FT_UINT32, BASE_HEX, NULL, 0x0,
"lpServiceClassId in the WSAQUERYSET", HFILL }},
{ &hf_dtpt_queryset_version,
{ "lpVersion", "dtpt.queryset.lpVersion",
FT_UINT32, BASE_DEC, NULL, 0x0,
"lpVersion in WSAQUERYSET", HFILL }},
{ &hf_dtpt_queryset_comment_pointer,
{ "lpszComment", "dtpt.lpszComment",
FT_UINT32, BASE_HEX, NULL, 0x0,
"lpszComment field in WSAQUERYSET", HFILL }},
{ &hf_dtpt_queryset_namespace,
{ "dwNameSpace", "dtpt.queryset.dwNameSpace",
FT_UINT32, BASE_DEC, NULL, 0x0,
"dwNameSpace field in WSAQUERYSE", HFILL }},
{ &hf_dtpt_queryset_provider_id_pointer,
{ "lpNSProviderId", "dtpt.queryset.lpNSProviderId",
FT_UINT32, BASE_HEX, NULL, 0x0,
"lpNSProviderId field in WSAQUERYSET", HFILL }},
{ &hf_dtpt_queryset_context_pointer,
{ "lpszContext", "dtpt.queryset.lpszContext",
FT_UINT32, BASE_HEX, NULL, 0x0,
"lpszContext field in WSAQUERYSET", HFILL }},
{ &hf_dtpt_queryset_protocols_number,
{ "dwNumberOfProtocols", "dtpt.queryset.dwNumberOfProtocols",
FT_UINT32, BASE_DEC, NULL, 0x0,
"dwNumberOfProtocols field in WSAQUERYSET", HFILL }},