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packet-dcerpc-rs_acct.c

/* packet-dcerpc-rs_acct.c
 *
 * Routines for DFS/RS_ACCT
 * Copyright 2002, Jaime Fournier <Jaime.Fournier@hush.com>
 * This information is based off the released idl files from opengroup.
 * ftp://ftp.opengroup.org/pub/dce122/dce/src/security.tar.gz security/idl/rs_acct.idl
 *      
 * $Id: packet-dcerpc-rs_acct.c 18196 2006-05-21 04:49:01Z sahlberg $
 *
 * 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.
 */

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


#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif

#include <string.h>

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


static int proto_rs_acct = -1;
static int hf_rs_acct_opnum = -1;
static int hf_rs_acct_lookup_rqst_var = -1;
static int hf_rs_acct_lookup_rqst_key_size = -1;
static int hf_rs_acct_lookup_rqst_key_t = -1;
static int hf_rs_acct_get_projlist_rqst_var1 = -1;
static int hf_rs_acct_get_projlist_rqst_key_size = -1;
static int hf_rs_acct_get_projlist_rqst_key_t = -1;


static gint ett_rs_acct = -1;



static e_uuid_t uuid_rs_acct = { 0x4c878280, 0x2000, 0x0000, { 0x0d, 0x00, 0x02, 0x87, 0x14, 0x00, 0x00, 0x00 } };
static guint16  ver_rs_acct = 1;


static int
rs_acct_dissect_lookup_rqst (tvbuff_t *tvb, int offset,
            packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
      guint32 key_size;
      const char *key_t = NULL;

      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep, 
                  hf_rs_acct_lookup_rqst_var, NULL);
      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep, 
                  hf_rs_acct_lookup_rqst_key_size, &key_size);

      if (key_size){ /* Not able to yet decipher the OTHER versions of this call just yet. */
            proto_tree_add_string (tree, hf_rs_acct_lookup_rqst_key_t, tvb, offset, hf_rs_acct_lookup_rqst_key_size, tvb_get_ptr (tvb, offset, key_size));
            key_t = (const char *)tvb_get_ptr(tvb,offset,key_size);
            offset += key_size;

            if (check_col(pinfo->cinfo, COL_INFO)) {
                  col_append_fstr(pinfo->cinfo, COL_INFO,
                        " Request for: %s ", key_t);
            }
      } else {
            if (check_col(pinfo->cinfo, COL_INFO)) {
                  col_append_str(pinfo->cinfo, COL_INFO, 
                        " Request (other)");
            }
      }

      return offset;
}



static int
rs_acct_dissect_get_projlist_rqst (tvbuff_t *tvb, int offset,
            packet_info *pinfo, proto_tree *tree, guint8 *drep)
{
      guint32 key_size;
      const char *key_t = NULL;

      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep, 
                  hf_rs_acct_get_projlist_rqst_var1, NULL);
      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep, 
                  hf_rs_acct_get_projlist_rqst_key_size, &key_size);

      proto_tree_add_string (tree, hf_rs_acct_get_projlist_rqst_key_t, 
                  tvb, offset, hf_rs_acct_get_projlist_rqst_key_size, 
                  tvb_get_ptr (tvb, offset, key_size));
      key_t = (const char *)tvb_get_ptr(tvb,offset,key_size);
      offset += key_size;

      if (check_col(pinfo->cinfo, COL_INFO)) {
            col_append_fstr(pinfo->cinfo, COL_INFO, 
                  " Request for: %s", key_t);
      }

      return offset;
}


static dcerpc_sub_dissector rs_acct_dissectors[] = {
        { 0, "add", NULL, NULL},
        { 1, "delete", NULL, NULL},
        { 2, "rename", NULL, NULL},
        { 3, "lookup", rs_acct_dissect_lookup_rqst, NULL},
        { 4, "replace", NULL, NULL},
        { 5, "get_projlist", rs_acct_dissect_get_projlist_rqst, NULL},
        { 0, NULL, NULL, NULL }
};

void
proto_register_rs_acct (void)
{
      static hf_register_info hf[] = {
      { &hf_rs_acct_opnum,
            { "Operation", "rs_acct.opnum", FT_UINT16, BASE_DEC, NULL, 0x0, "Operation", HFILL }},
      { &hf_rs_acct_lookup_rqst_var,
            { "Var", "rs_acct.lookup_rqst_var", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
      { &hf_rs_acct_lookup_rqst_key_size,
            { "Key Size", "rs_acct.lookup_rqst_key_size", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
      { &hf_rs_acct_lookup_rqst_key_t,
            { "Key", "rs_lookup.get_rqst_key_t", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }},
      { &hf_rs_acct_get_projlist_rqst_var1,
            { "Var1", "rs_acct.get_projlist_rqst_var1", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
      { &hf_rs_acct_get_projlist_rqst_key_size,
            { "Var1", "rs_acct.get_projlist_rqst_key_size", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
      { &hf_rs_acct_get_projlist_rqst_key_t,
            { "Var1", "rs_acct.get_projlist_rqst_key_t", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }}
      };

      static gint *ett[] = {
            &ett_rs_acct,
      };
      proto_rs_acct = proto_register_protocol ("DCE/RPC RS_ACCT", "RS_ACCT", "rs_acct");
      proto_register_field_array (proto_rs_acct, hf, array_length (hf));
      proto_register_subtree_array (ett, array_length (ett));
}



void
proto_reg_handoff_rs_acct (void)
{
      /* Register the protocol as dcerpc */
      dcerpc_init_uuid (proto_rs_acct, ett_rs_acct, &uuid_rs_acct, ver_rs_acct, rs_acct_dissectors, hf_rs_acct_opnum);
}

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