epan/dissectors/packet-dcerpc-rs_acct.c

   1 /* packet-dcerpc-rs_acct.c
   2  *
   3  * Routines for DFS/RS_ACCT
   4  * Copyright 2002, Jaime Fournier <Jaime.Fournier@hush.com>
   5  * This information is based off the released idl files from opengroup.
   6  * ftp://ftp.opengroup.org/pub/dce122/dce/src/security.tar.gz security/idl/rs_acct.idl
   7  *
   8  * $Id$
   9  *
  10  * Wireshark - Network traffic analyzer
  11  * By Gerald Combs <gerald@wireshark.org>
  12  * Copyright 1998 Gerald Combs
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License
  16  * as published by the Free Software Foundation; either version 2
  17  * of the License, or (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  27  */
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include "config.h"
  31 #endif
  32
  33
  34 #include <glib.h>
  35 #include <epan/packet.h>
  36 #include "packet-dcerpc.h"
  37
  38
  39 static int proto_rs_acct = -1;
  40 static int hf_rs_acct_opnum = -1;
  41 static int hf_rs_acct_lookup_rqst_var = -1;
  42 static int hf_rs_acct_lookup_rqst_key_size = -1;
  43 static int hf_rs_acct_lookup_rqst_key_t = -1;
  44 static int hf_rs_acct_get_projlist_rqst_var1 = -1;
  45 static int hf_rs_acct_get_projlist_rqst_key_size = -1;
  46 static int hf_rs_acct_get_projlist_rqst_key_t = -1;
  47
  48
  49 static gint ett_rs_acct = -1;
  50
  51
  52
  53 static e_uuid_t uuid_rs_acct = { 0x4c878280, 0x2000, 0x0000, { 0x0d, 0x00, 0x02, 0x87, 0x14, 0x00, 0x00, 0x00 } };
  54 static guint16  ver_rs_acct = 1;
  55
  56
  57 static int
  58 rs_acct_dissect_lookup_rqst (tvbuff_t *tvb, int offset,
  59                 packet_info *pinfo, proto_tree *tree, guint8 *drep)
  60 {
  61         guint32 key_size;
  62         const char *keyx_t = NULL;
  63
  64         offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
  65                         hf_rs_acct_lookup_rqst_var, NULL);
  66         offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
  67                         hf_rs_acct_lookup_rqst_key_size, &key_size);
  68
  69         if (key_size){ /* Not able to yet decipher the OTHER versions of this call just yet. */
  70                 proto_tree_add_item (tree, hf_rs_acct_lookup_rqst_key_t, tvb, offset, key_size, ENC_ASCII|ENC_NA);
  71                 keyx_t = tvb_get_ephemeral_string(tvb, offset, key_size);
  72                 offset += key_size;
  73
  74                 if (check_col(pinfo->cinfo, COL_INFO)) {
  75                         col_append_fstr(pinfo->cinfo, COL_INFO,
  76                                 " Request for: %s ", keyx_t);
  77                 }
  78         } else {
  79                 col_append_str(pinfo->cinfo, COL_INFO,
  80                                 " Request (other)");
  81         }
  82
  83         return offset;
  84 }
  85
  86
  87
  88 static int
  89 rs_acct_dissect_get_projlist_rqst (tvbuff_t *tvb, int offset,
  90                 packet_info *pinfo, proto_tree *tree, guint8 *drep)
  91 {
  92         guint32 key_size;
  93         const char *keyx_t = NULL;
  94
  95         offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
  96                         hf_rs_acct_get_projlist_rqst_var1, NULL);
  97         offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
  98                         hf_rs_acct_get_projlist_rqst_key_size, &key_size);
  99
 100         proto_tree_add_item (tree, hf_rs_acct_get_projlist_rqst_key_t,
 101                              tvb, offset, key_size, ENC_ASCII|ENC_NA);
 102         keyx_t = tvb_get_ephemeral_string(tvb, offset, key_size);
 103         offset += key_size;
 104
 105         if (check_col(pinfo->cinfo, COL_INFO)) {
 106                 col_append_fstr(pinfo->cinfo, COL_INFO,
 107                         " Request for: %s", keyx_t);
 108         }
 109
 110         return offset;
 111 }
 112
 113
 114 static dcerpc_sub_dissector rs_acct_dissectors[] = {
 115         { 0, "add", NULL, NULL},
 116         { 1, "delete", NULL, NULL},
 117         { 2, "rename", NULL, NULL},
 118         { 3, "lookup", rs_acct_dissect_lookup_rqst, NULL},
 119         { 4, "replace", NULL, NULL},
 120         { 5, "get_projlist", rs_acct_dissect_get_projlist_rqst, NULL},
 121         { 0, NULL, NULL, NULL }
 122 };
 123
 124 void
 125 proto_register_rs_acct (void)
 126 {
 127         static hf_register_info hf[] = {
 128         { &hf_rs_acct_opnum,
 129                 { "Operation", "rs_acct.opnum", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
 130         { &hf_rs_acct_lookup_rqst_var,
 131                 { "Var", "rs_acct.lookup_rqst_var", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
 132         { &hf_rs_acct_lookup_rqst_key_size,
 133                 { "Key Size", "rs_acct.lookup_rqst_key_size", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
 134         { &hf_rs_acct_lookup_rqst_key_t,
 135                 { "Key", "rs_acct.lookup_rqst_key_t", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
 136         { &hf_rs_acct_get_projlist_rqst_var1,
 137                 { "Var1", "rs_acct.get_projlist_rqst_var1", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
 138         { &hf_rs_acct_get_projlist_rqst_key_size,
 139                 { "Var1", "rs_acct.get_projlist_rqst_key_size", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
 140         { &hf_rs_acct_get_projlist_rqst_key_t,
 141                 { "Var1", "rs_acct.get_projlist_rqst_key_t", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}
 142         };
 143
 144         static gint *ett[] = {
 145                 &ett_rs_acct,
 146         };
 147         proto_rs_acct = proto_register_protocol ("DCE/RPC RS_ACCT", "RS_ACCT", "rs_acct");
 148         proto_register_field_array (proto_rs_acct, hf, array_length (hf));
 149         proto_register_subtree_array (ett, array_length (ett));
 150 }
 151
 152
 153
 154 void
 155 proto_reg_handoff_rs_acct (void)
 156 {
 157         /* Register the protocol as dcerpc */
 158         dcerpc_init_uuid (proto_rs_acct, ett_rs_acct, &uuid_rs_acct, ver_rs_acct, rs_acct_dissectors, hf_rs_acct_opnum);
 159 }