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packet-dcom-oxid.c

/* packet-dcom-oxid.c
 * Routines for DCOM OXID Resolver
 * Copyright 2001, Todd Sabin <tas@webspan.net>
 *
 * $Id: packet-dcom-oxid.c 18934 2006-08-16 22:59:55Z ulfl $
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * 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.
 */

/* see packet-dcom.c for details about DCOM */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <string.h>

#include <glib.h>
#include <epan/packet.h>
#include "packet-dcerpc.h"
#include "packet-dcom.h"

static int proto_oxid = -1;

static int hf_oxid_opnum = -1;
static int hf_oxid_setid = -1;
static int hf_oxid_seqnum = -1;
static int hf_oxid_addtoset = -1;
static int hf_oxid_delfromset = -1;
static int hf_oxid_oid = -1;
static int hf_oxid_ping_backoff_factor = -1;
static int hf_oxid_oxid = -1;
static int hf_oxid_requested_protseqs = -1;
static int hf_oxid_protseqs = -1;
static int hf_oxid_bindings = -1;
static int hf_oxid_ipid = -1;
static int hf_oxid_authn_hint = -1;

static int hf_oxid_Unknown1 = -1;
static int hf_oxid_Unknown2 = -1;
static int hf_oxid_ds_array = -1;


static gint ett_oxid = -1;

static e_uuid_t uuid_oxid = { 0x99fcfec4, 0x5260, 0x101b, { 0xbb, 0xcb, 0x00, 0xaa, 0x00, 0x21, 0x34, 0x7a } };
static guint16  ver_oxid = 0;


static int
dissect_oxid_simple_ping_rqst(tvbuff_t *tvb, int offset,
      packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
      offset = dissect_dcom_ID(tvb, offset, pinfo, tree, drep, 
                                    hf_oxid_setid, NULL);

      return offset;
}


static int
dissect_oxid_simple_ping_resp(tvbuff_t *tvb, int offset,
      packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
      guint32 u32HResult;


      offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, drep, 
                                    &u32HResult);

      if (check_col(pinfo->cinfo, COL_INFO)) {
        col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s", 
            val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)") );
      }

      return offset;
}


static int
dissect_oxid_server_alive_resp(tvbuff_t *tvb, int offset,
      packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
      guint32 u32HResult;


      offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, drep, 
                                    &u32HResult);

      if (check_col(pinfo->cinfo, COL_INFO)) {
        col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s", 
            val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)") );
      }

      return offset;
}


static int
dissect_oxid_complex_ping_rqst(tvbuff_t *tvb, int offset,
      packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
      guint16     u16SeqNum;
      guint16     u16AddToSet;
      guint16     u16DelFromSet;
      guint32     u32Pointer;
      guint32     u32ArraySize;

      offset = dissect_dcom_ID(tvb, offset, pinfo, tree, drep, 
                                    hf_oxid_setid, NULL);

      offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, drep, 
                                    hf_oxid_seqnum, &u16SeqNum);
      offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, drep, 
                                    hf_oxid_addtoset, &u16AddToSet);
      offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, drep, 
                                    hf_oxid_delfromset, &u16DelFromSet);

      if (check_col(pinfo->cinfo, COL_INFO)) {
            col_append_fstr(pinfo->cinfo, COL_INFO, " AddToSet=%u DelFromSet=%u", 
                  u16AddToSet, u16DelFromSet);
      }

      offset = dissect_dcom_dcerpc_pointer(tvb, offset, pinfo, tree, drep,
                                    &u32Pointer);
      if (u32Pointer) {
            offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, drep, 
                                          &u32ArraySize);

            while (u16AddToSet--) {
                  offset = dissect_dcom_ID(tvb, offset, pinfo, tree, drep, 
                                          hf_oxid_oid, NULL);
            }
      }

      offset = dissect_dcom_dcerpc_pointer(tvb, offset, pinfo, tree, drep,
                                    &u32Pointer);
    if (u32Pointer) {
            offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, drep, 
                                          &u32ArraySize);

            while (u16DelFromSet--) {
                  offset = dissect_dcom_ID(tvb, offset, pinfo, tree, drep, 
                                          hf_oxid_oid, NULL);
            }
      }

      return offset;
}


static int
dissect_oxid_complex_ping_resp(tvbuff_t *tvb, int offset,
      packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
      guint16 u16PingBackoffFactor;
      guint32 u32HResult;


      offset = dissect_dcom_ID(tvb, offset, pinfo, tree, drep, 
                                    hf_oxid_setid, NULL);
      offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, drep,
                                    hf_oxid_ping_backoff_factor, &u16PingBackoffFactor);

      offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, drep, 
                                    &u32HResult);

      if (check_col(pinfo->cinfo, COL_INFO)) {
        col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s", 
            val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)") );
      }

      return offset;
}


static int
dissect_oxid_resolve_oxid2_rqst(tvbuff_t *tvb, int offset,
      packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
      guint16     u16ProtSeqs;
      guint32     u32ArraySize;
      guint32     u32ItemIdx;


      offset = dissect_dcom_ID(tvb, offset, pinfo, tree, drep, 
                                    hf_oxid_oxid, NULL);

      offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, drep, 
                        hf_oxid_requested_protseqs, &u16ProtSeqs);

      offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, drep, 
                                    &u32ArraySize);

      u32ItemIdx = 1;
      while (u32ArraySize--) {
            offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, drep, 
                                          hf_oxid_protseqs, &u16ProtSeqs);
            u32ItemIdx++;
      }

      return offset;
}


static int
dissect_oxid_resolve_oxid2_resp(tvbuff_t *tvb, int offset,
      packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
      guint32     u32Pointer;
      guint32     u32ArraySize;
      e_uuid_t ipid;
      guint32     u32AuthnHint;
      guint16     u16VersionMajor;
      guint16     u16VersionMinor;
      guint32     u32HResult;


      offset = dissect_dcom_dcerpc_pointer(tvb, offset, pinfo, tree, drep, 
                                    &u32Pointer);
      if (u32Pointer) {
            offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, drep, 
                                          &u32ArraySize);

            offset = dissect_dcom_DUALSTRINGARRAY(tvb, offset, pinfo, tree, drep, 
                                          hf_oxid_bindings, NULL);
            
            offset = dissect_dcom_UUID(tvb, offset, pinfo, tree, drep, 
                                          hf_oxid_ipid, &ipid);

            offset = dissect_dcom_DWORD(tvb, offset, pinfo, tree, drep, 
                                          hf_oxid_authn_hint, &u32AuthnHint);

            offset = dissect_dcom_COMVERSION(tvb, offset, pinfo, tree, drep,
                              &u16VersionMajor, &u16VersionMinor);
      }

      offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, drep, 
                                    &u32HResult);

      if (check_col(pinfo->cinfo, COL_INFO)) {
        col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s", 
            val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)") );
      }

      return offset;
}


static int
dissect_oxid_server_alive2_resp(tvbuff_t *tvb, int offset, packet_info *pinfo, 
                        proto_tree *tree, guint8 *drep) {
    guint16 u16VersionMajor;
    guint16 u16VersionMinor;

    offset = dissect_dcom_COMVERSION(tvb, offset, pinfo, tree, drep, &u16VersionMajor, &u16VersionMinor);

    /* XXX - understand what those 8 bytes mean! don't skip'em!*/
    dissect_dcerpc_uint64(tvb , offset, pinfo, tree, drep, hf_oxid_Unknown1, NULL);
    offset += 8;

    offset = dissect_dcom_DUALSTRINGARRAY(tvb, offset, pinfo, tree, drep, hf_oxid_ds_array, NULL);

    /* unknown field 2 */
    dissect_dcerpc_uint64(tvb, offset, pinfo, tree, drep, hf_oxid_Unknown2, NULL);
    offset += 8;
    return offset;
}


/* XXX - some dissectors still need to be done */
static dcerpc_sub_dissector oxid_dissectors[] = {
    { 0, "ResolveOxid", NULL, NULL },
    { 1, "SimplePing", dissect_oxid_simple_ping_rqst, dissect_oxid_simple_ping_resp },
    { 2, "ComplexPing", dissect_oxid_complex_ping_rqst, dissect_oxid_complex_ping_resp },
    { 3, "ServerAlive", NULL /* no input parameters */, dissect_oxid_server_alive_resp },
    { 4, "ResolveOxid2", dissect_oxid_resolve_oxid2_rqst, dissect_oxid_resolve_oxid2_resp },
    { 5, "ServerAlive2", NULL, dissect_oxid_server_alive2_resp },
    { 0, NULL, NULL, NULL },
};


void
proto_register_oxid (void)
{
      static hf_register_info hf[] = {
            { &hf_oxid_opnum,
              { "Operation", "oxid.opnum", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},

            { &hf_oxid_setid,
            { "SetId", "oxid_setid",  FT_UINT64, BASE_HEX, NULL, 0x0, "", HFILL }},
            { &hf_oxid_seqnum,
            { "SeqNum", "oxid_seqnum",  FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
            { &hf_oxid_addtoset,
            { "AddToSet", "oxid_addtoset",  FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
            { &hf_oxid_delfromset,
            { "DelFromSet", "oxid_delfromset",  FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
            { &hf_oxid_oid,
            { "OID", "oxid_oid",  FT_UINT64, BASE_HEX, NULL, 0x0, "", HFILL }},
            { &hf_oxid_ping_backoff_factor,
            { "PingBackoffFactor", "oxid_ping_backoff_factor", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
            { &hf_oxid_oxid,
            { "OXID", "oxid_oxid",  FT_UINT64, BASE_HEX, NULL, 0x0, "", HFILL }},

            { &hf_oxid_requested_protseqs,
            { "RequestedProtSeq", "oxid_requested_protseqs",  FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
            { &hf_oxid_protseqs,
            { "ProtSeq", "oxid_protseqs",  FT_UINT16, BASE_DEC, VALS(dcom_protseq_vals), 0x0, "", HFILL }},

            { &hf_oxid_bindings,
            { "OxidBindings", "oxid_bindings", FT_NONE, BASE_DEC, NULL, 0x0, "", HFILL }},
        { &hf_oxid_ipid,
        { "IPID", "oxid_ipid", FT_GUID, BASE_NONE, NULL, 0x0, "", HFILL }},
            { &hf_oxid_authn_hint,
            { "AuthnHint", "oxid_authn_hint", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},

            { &hf_oxid_ds_array,
              { "Address", "dcom.oxid.address", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }},
            { &hf_oxid_Unknown1,
              { "unknown 8 bytes 1", "oxid5.unknown1", FT_UINT64, BASE_HEX, NULL, 0x0, "", HFILL }},
            { &hf_oxid_Unknown2,
                  { "unknown 8 bytes 2", "oxid5.unknown2", FT_UINT64, BASE_HEX, NULL, 0x0, "", HFILL }}
      };
      static gint *ett[] = {
            &ett_oxid
      };
      proto_oxid = proto_register_protocol ("DCOM OXID Resolver", "IOXIDResolver", "oxid");
      proto_register_field_array (proto_oxid, hf, array_length (hf));
      proto_register_subtree_array (ett, array_length (ett));
}

void
proto_reg_handoff_oxid (void)
{
      /* Register the protocol as dcerpc */
      dcerpc_init_uuid (proto_oxid, ett_oxid, &uuid_oxid, ver_oxid, oxid_dissectors, hf_oxid_opnum);
}

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