epan/dissectors/packet-dcerpc-rs_misc.c

   1 /* packet-dcerpc-rs_misc.c
   2  *
   3  * Routines for dcerpc RS-MISC
   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_misc.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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  27  */
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include "config.h"
  31 #endif
  32
  33
  34 #ifdef HAVE_SYS_TYPES_H
  35 #include <sys/types.h>
  36 #endif
  37
  38 #include <glib.h>
  39 #include <epan/packet.h>
  40 #include "packet-dcerpc.h"
  41
  42
  43 static int proto_rs_misc = -1;
  44 static int hf_rs_misc_opnum = -1;
  45 static int hf_rs_misc_login_get_info_rqst_var = -1;
  46 static int hf_rs_misc_login_get_info_rqst_key_size = -1;
  47 static int hf_rs_misc_login_get_info_rqst_key_t = -1;
  48
  49
  50 static gint ett_rs_misc = -1;
  51
  52
  53 static e_uuid_t uuid_rs_misc = { 0x4c878280, 0x5000, 0x0000, { 0x0d, 0x00, 0x02, 0x87, 0x14, 0x00, 0x00, 0x00 } };
  54 static guint16  ver_rs_misc = 1;
  55
  56
  57 static int
  58 rs_misc_dissect_login_get_info_rqst (tvbuff_t *tvb, int offset,
  59         packet_info *pinfo, proto_tree *tree, guint8 *drep)
  60 {
  61
  62         guint32 key_size;
  63         const char *key_t1 = NULL;
  64
  65         offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
  66                         hf_rs_misc_login_get_info_rqst_var, NULL);
  67         offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
  68                         hf_rs_misc_login_get_info_rqst_key_size, &key_size);
  69
  70         if (key_size){ /* Not able to yet decipher the OTHER versions of this call just yet. */
  71
  72                 proto_tree_add_item (tree, hf_rs_misc_login_get_info_rqst_key_t, tvb, offset, key_size, ENC_ASCII|ENC_NA);
  73                 key_t1 = tvb_get_ephemeral_string(tvb, offset, key_size);
  74                 offset += key_size;
  75
  76                 if (check_col(pinfo->cinfo, COL_INFO)) {
  77                         col_append_fstr(pinfo->cinfo, COL_INFO,
  78                                 "rs_login_get_info Request for: %s ", key_t1);
  79                 }
  80         } else {
  81                 col_append_str(pinfo->cinfo, COL_INFO,
  82                                 "rs_login_get_info Request (other)");
  83         }
  84
  85         return offset;
  86 }
  87
  88
  89 static dcerpc_sub_dissector rs_misc_dissectors[] = {
  90         { 0, "login_get_info", rs_misc_dissect_login_get_info_rqst, NULL},
  91         { 1, "wait_until_consistent", NULL, NULL},
  92         { 2, "check_consistency", NULL, NULL},
  93         { 0, NULL, NULL, NULL }
  94 };
  95
  96 void
  97 proto_register_rs_misc (void)
  98 {
  99         static hf_register_info hf[] = {
 100         { &hf_rs_misc_opnum,
 101                 { "Operation", "rs_misc.opnum", FT_UINT16, BASE_DEC,
 102                 NULL, 0x0, NULL, HFILL }},
 103         { &hf_rs_misc_login_get_info_rqst_var,
 104                 { "Var", "rs_misc.login_get_info_rqst_var", FT_UINT32, BASE_DEC,
 105                 NULL, 0x0, NULL, HFILL }},
 106         { &hf_rs_misc_login_get_info_rqst_key_size,
 107                 { "Key Size", "rs_misc.login_get_info_rqst_key_size", FT_UINT32, BASE_DEC,
 108                 NULL, 0x0, NULL, HFILL }},
 109         { &hf_rs_misc_login_get_info_rqst_key_t,
 110                 { "Key", "rs_misc.login_get_info_rqst_key_t", FT_STRING, BASE_NONE,
 111                 NULL, 0x0, NULL, HFILL }}
 112         };
 113
 114         static gint *ett[] = {
 115                 &ett_rs_misc,
 116         };
 117         proto_rs_misc = proto_register_protocol ("DCE/RPC RS_MISC", "rs_misc", "rs_misc");
 118         proto_register_field_array (proto_rs_misc, hf, array_length (hf));
 119         proto_register_subtree_array (ett, array_length (ett));
 120 }
 121
 122 void
 123 proto_reg_handoff_rs_misc (void)
 124 {
 125         /* Register the protocol as dcerpc */
 126         dcerpc_init_uuid (proto_rs_misc, ett_rs_misc, &uuid_rs_misc, ver_rs_misc, rs_misc_dissectors, hf_rs_misc_opnum);
 127 }