packet-dcerpc-rs_pgo.c

   1 /* packet-dcerpc-rs_pgo.c
   2  *
   3  * Routines for dcerpc Afs4Int dissection
   4  * Copyright 2002, Jaime Fournier <jafour1@yahoo.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_pgo.idl
   7  *
   8  * $Id: packet-dcerpc-rs_pgo.c,v 1.5 2003/08/04 02:49:01 tpot Exp $
   9  *
  10  * Ethereal - Network traffic analyzer
  11  * By Gerald Combs <gerald@ethereal.com>
  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 <string.h>
  39
  40 #include <glib.h>
  41 #include <epan/packet.h>
  42 #include "packet-dcerpc.h"
  43
  44
  45 static int proto_rs_pgo = -1;
  46 static int hf_rs_pgo_opnum = -1;
  47 static int hf_rs_pgo_get_members_rqst_name_domain = -1;
  48 static int hf_rs_pgo_get_members_rqst_sec_rgy_name_max_len = -1;
  49 static int hf_rs_pgo_get_members_rqst_sec_rgy_name_t_size = -1;
  50 static int hf_rs_pgo_get_members_rqst_sec_rgy_name_t = -1;
  51 static int hf_rs_pgo_get_rqst_name_domain = -1;
  52 static int hf_rs_pgo_get_rqst_var = -1;
  53 static int hf_rs_pgo_get_rqst_var2 = -1;
  54 static int hf_rs_pgo_get_rqst_key_size = -1;
  55 static int hf_rs_pgo_get_rqst_key_t = -1;
  56 static int hf_rs_pgo_key_transfer_rqst_var1 = -1;
  57 static int hf_rs_pgo_key_transfer_rqst_var2 = -1;
  58 static int hf_rs_pgo_key_transfer_rqst_var3 = -1;
  59 static int hf_rs_pgo_is_member_rqst_var1 = -1;
  60 static int hf_rs_pgo_is_member_rqst_var2 = -1;
  61 static int hf_rs_pgo_is_member_rqst_var3 = -1;
  62 static int hf_rs_pgo_is_member_rqst_var4 = -1;
  63 static int hf_rs_pgo_is_member_rqst_key1 = -1;
  64 static int hf_rs_pgo_is_member_rqst_key2 = -1;
  65 static int hf_rs_pgo_is_member_rqst_key1_size = -1;
  66 static int hf_rs_pgo_is_member_rqst_key2_size = -1;
  67
  68
  69 static gint ett_rs_pgo = -1;
  70
  71
  72 static e_uuid_t uuid_rs_pgo = { 0x4c878280, 0x3000, 0x0000, { 0x0d, 0x00, 0x02, 0x87, 0x14, 0x00, 0x00, 0x00 } };
  73 static guint16  ver_rs_pgo = 1;
  74
  75 static int
  76 rs_pgo_dissect_get_members_rqst (tvbuff_t *tvb, int offset,
  77                                  packet_info *pinfo, proto_tree *tree,
  78                                  char *drep)
  79 {
  80      guint32 name_domain,  sec_rgy_name_max_len, sec_rgy_name_t_size;
  81      const char *sec_rgy_name_t = NULL;
  82
  83      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
  84          hf_rs_pgo_get_members_rqst_name_domain, &name_domain);
  85      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
  86          hf_rs_pgo_get_members_rqst_sec_rgy_name_max_len, &sec_rgy_name_max_len);
  87      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
  88          hf_rs_pgo_get_members_rqst_sec_rgy_name_t_size, &sec_rgy_name_t_size);
  89
  90      proto_tree_add_string (tree, hf_rs_pgo_get_members_rqst_sec_rgy_name_t, tvb, offset, hf_rs_pgo_get_members_rqst_sec_rgy_name_t_size, tvb_get_ptr (tvb, offset, sec_rgy_name_t_size));
  91
  92      sec_rgy_name_t = (const char *)tvb_get_ptr(tvb,offset,sec_rgy_name_t_size);
  93
  94      offset += sec_rgy_name_t_size;
  95
  96      if (check_col(pinfo->cinfo, COL_INFO)){
  97         col_append_fstr(pinfo->cinfo, COL_INFO, " Request for: %s", sec_rgy_name_t);
  98      }
  99
 100      return offset;
 101 }
 102 static int
 103 rs_pgo_dissect_key_transfer_rqst (tvbuff_t *tvb, int offset,
 104                                  packet_info *pinfo, proto_tree *tree,
 105                                  char *drep)
 106 {
 107     guint32 var1, var2, var3;
 108
 109      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
 110         hf_rs_pgo_key_transfer_rqst_var1, &var1);
 111      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
 112         hf_rs_pgo_key_transfer_rqst_var2, &var2);
 113      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
 114         hf_rs_pgo_key_transfer_rqst_var3, &var3);
 115
 116      if (check_col(pinfo->cinfo, COL_INFO)){
 117         col_append_fstr(pinfo->cinfo, COL_INFO, " Request for: %u", var3);
 118      }
 119
 120      return offset;
 121 }
 122 static int
 123 rs_pgo_dissect_is_member_rqst (tvbuff_t *tvb, int offset,
 124                                  packet_info *pinfo, proto_tree *tree,
 125                                  char *drep)
 126 {
 127      guint32 var1, var2, key1_size, key2_size, var3;
 128      const char *key1, *key2;
 129      key1 = NULL;
 130      key2 = NULL;
 131
 132      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep, hf_rs_pgo_is_member_rqst_var1, &var1);
 133      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep, hf_rs_pgo_is_member_rqst_var2, &var2);
 134      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep, hf_rs_pgo_is_member_rqst_key1_size, &key1_size);
 135
 136      proto_tree_add_string (tree, hf_rs_pgo_is_member_rqst_key1, tvb, offset, hf_rs_pgo_is_member_rqst_key1_size, tvb_get_ptr (tvb, offset, key1_size));
 137      key1 = (const char *)tvb_get_ptr(tvb,offset,key1_size);
 138      offset += key1_size;
 139
 140      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep, hf_rs_pgo_is_member_rqst_var3, &var3);
 141    /*  offset = dissect_ndr_uint16 (tvb, offset, pinfo, tree, drep, hf_rs_pgo_is_member_rqst_var4, &var4); */
 142      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep, hf_rs_pgo_is_member_rqst_key2_size, &key2_size);
 143      proto_tree_add_string (tree, hf_rs_pgo_is_member_rqst_key2, tvb, offset, hf_rs_pgo_is_member_rqst_key2_size, tvb_get_ptr (tvb, offset, key2_size));
 144      key2 = (const char *)tvb_get_ptr(tvb,offset,key2_size);
 145      offset += key2_size;
 146
 147      if (check_col(pinfo->cinfo, COL_INFO)) {
 148         col_append_fstr(pinfo->cinfo, COL_INFO, " Request: Is %s in %s", key2, key1);
 149      }
 150
 151      return offset;
 152
 153 }
 154
 155
 156 static int
 157 rs_pgo_dissect_get_rqst (tvbuff_t *tvb, int offset,
 158                                  packet_info *pinfo, proto_tree *tree,
 159                                  char *drep)
 160 {
 161
 162      guint32 name_domain, key_size, var, var2;
 163      const char *key_t = NULL;
 164
 165      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
 166          hf_rs_pgo_get_rqst_name_domain, &name_domain);
 167      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
 168          hf_rs_pgo_get_rqst_var, &var);
 169      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
 170          hf_rs_pgo_get_rqst_var2, &var2);
 171      offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
 172          hf_rs_pgo_get_rqst_key_size, &key_size);
 173
 174      if (key_size){ /* Not able to yet decipher the OTHER versions of this call just yet. */
 175
 176          proto_tree_add_string (tree, hf_rs_pgo_get_rqst_key_t, tvb, offset, hf_rs_pgo_get_rqst_key_size, tvb_get_ptr (tvb, offset, key_size));
 177          key_t = (const char *)tvb_get_ptr(tvb,offset,key_size);
 178          offset += (int)key_size;
 179
 180          if (check_col(pinfo->cinfo, COL_INFO)) {
 181                  col_append_fstr(pinfo->cinfo, COL_INFO,
 182                  " Request for: %s ", key_t);
 183          }
 184      } else {
 185          if (check_col(pinfo->cinfo, COL_INFO)) {
 186             col_append_str(pinfo->cinfo, COL_INFO, " Request (other)");
 187          }
 188      }
 189
 190
 191     return offset;
 192
 193 }
 194
 195
 196 static dcerpc_sub_dissector rs_pgo_dissectors[] = {
 197         { 0, "rs_pgo_add", NULL, NULL},
 198         { 1, "rs_pgo_delete", NULL, NULL},
 199         { 2, "rs_pgo_replace", NULL, NULL},
 200         { 3, "rs_pgo_rename", NULL, NULL},
 201         { 4, "rs_pgo_get", rs_pgo_dissect_get_rqst, NULL},
 202         { 5, "rs_pgo_key_transfer", rs_pgo_dissect_key_transfer_rqst, NULL},
 203         { 6, "rs_pgo_add_member", NULL, NULL},
 204         { 7, "rs_pgo_delete_member", NULL, NULL},
 205         { 8, "rs_pgo_is_member", rs_pgo_dissect_is_member_rqst, NULL},
 206         { 9, "rs_pgo_get_members", rs_pgo_dissect_get_members_rqst, NULL},
 207         { 0, NULL, NULL, NULL }
 208 };
 209
 210 void
 211 proto_register_rs_pgo (void)
 212 {
 213         static hf_register_info hf[] = {
 214        { &hf_rs_pgo_opnum,
 215          { "Operation", "rs_pgo.opnum", FT_UINT16, BASE_DEC, NULL, 0x0, "Operation", HFILL }},
 216        { &hf_rs_pgo_get_members_rqst_name_domain,
 217          { "Name Domain", "rs_pgo.get_members_name_domain", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
 218        { &hf_rs_pgo_get_members_rqst_sec_rgy_name_max_len,
 219          { "Sec_rgy_name_max_len", "rs_pgo.get_members_sec_rgy_name_max_len", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
 220        { &hf_rs_pgo_get_members_rqst_sec_rgy_name_t_size,
 221          { "Sec_rgy_name_t_size", "rs_pgo.get_members_sec_rgy_name_t_size", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
 222        { &hf_rs_pgo_get_members_rqst_sec_rgy_name_t,
 223          { "Sec_rgy_name_t", "rs_pgo.get_members_sec_rgy_name_t", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }},
 224        { &hf_rs_pgo_get_rqst_name_domain,
 225          { "Name Domain", "rs_pgo.get_rqst_name_domain", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
 226        { &hf_rs_pgo_get_rqst_key_size,
 227          { "Key Size", "rs_pgo.get_rqst_key_size", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
 228        { &hf_rs_pgo_get_rqst_key_t,
 229          { "Key", "rs_pgo.get_rqst_key_t", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }},
 230        { &hf_rs_pgo_get_rqst_var,
 231          { "Var1", "rs_pgo.get_rqst_var", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
 232        { &hf_rs_pgo_get_rqst_var2,
 233          { "Var2", "rs_pgo.get_rqst_var2", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
 234        { &hf_rs_pgo_key_transfer_rqst_var1,
 235          { "Var1", "rs_pgo.key_transfer_rqst_var1", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL }},
 236        { &hf_rs_pgo_key_transfer_rqst_var2,
 237          { "Var2", "rs_pgo.key_transfer_rqst_var2", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL }},
 238        { &hf_rs_pgo_key_transfer_rqst_var3,
 239          { "Var3", "rs_pgo.key_transfer_rqst_var3", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL }},
 240        { &hf_rs_pgo_is_member_rqst_var1,
 241          { "Var1", "rs_pgo.is_member_rqst_var1", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
 242        { &hf_rs_pgo_is_member_rqst_var2,
 243          { "Var2", "rs_pgo.is_member_rqst_var2", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
 244        { &hf_rs_pgo_is_member_rqst_var3,
 245          { "Var3", "rs_pgo.is_member_rqst_var3", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
 246        { &hf_rs_pgo_is_member_rqst_var4,
 247          { "Var4", "rs_pgo.is_member_rqst_var4", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
 248        { &hf_rs_pgo_is_member_rqst_key1_size,
 249          { "Key1 Size", "rs_pgo.is_member_rqst_key1_size", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
 250        { &hf_rs_pgo_is_member_rqst_key2_size,
 251          { "Key2 Size", "rs_pgo.is_member_rqst_key2_size", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }},
 252        { &hf_rs_pgo_is_member_rqst_key2,
 253          { "Key2", "rs_pgo.is_member_rqst_key2", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }},
 254        { &hf_rs_pgo_is_member_rqst_key1,
 255          { "Key2", "rs_pgo.is_member_rqst_key1", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }},
 256         };
 257
 258         static gint *ett[] = {
 259                 &ett_rs_pgo,
 260         };
 261         proto_rs_pgo = proto_register_protocol ("DCE Name Service", "RS_PGO", "rs_pgo");
 262         proto_register_field_array (proto_rs_pgo, hf, array_length (hf));
 263         proto_register_subtree_array (ett, array_length (ett));
 264 }
 265
 266 void
 267 proto_reg_handoff_rs_pgo (void)
 268 {
 269         /* Register the protocol as dcerpc */
 270         dcerpc_init_uuid (proto_rs_pgo, ett_rs_pgo, &uuid_rs_pgo, ver_rs_pgo, rs_pgo_dissectors, hf_rs_pgo_opnum);
 271 }