epan/dissectors/packet-dcerpc-conv.c

   1 /* packet-dcerpc-conv.c
   2  * Routines for dcerpc conv dissection
   3  * Copyright 2001, Todd Sabin <tas@webspan.net>
   4  *
   5  * $Id$
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25
  26 #include "config.h"
  27
  28
  29 #include <glib.h>
  30 #include <epan/packet.h>
  31 #include "packet-dcerpc.h"
  32 #include "packet-dcerpc-dce122.h"
  33
  34
  35 static int proto_conv = -1;
  36 static int hf_conv_opnum = -1;
  37 static int hf_conv_rc = -1;
  38 static int hf_conv_who_are_you_rqst_actuid = -1;
  39 static int hf_conv_who_are_you_rqst_boot_time = -1;
  40 static int hf_conv_who_are_you2_rqst_actuid = -1;
  41 static int hf_conv_who_are_you2_rqst_boot_time = -1;
  42 static int hf_conv_who_are_you_resp_seq = -1;
  43 static int hf_conv_who_are_you2_resp_seq = -1;
  44 static int hf_conv_who_are_you2_resp_casuuid = -1;
  45
  46 static gint ett_conv = -1;
  47
  48
  49 static e_uuid_t uuid_conv = { 0x333a2276, 0x0000, 0x0000, { 0x0d, 0x00, 0x00, 0x80, 0x9c, 0x00, 0x00, 0x00 } };
  50 static guint16  ver_conv = 3;
  51
  52
  53 static int
  54 conv_dissect_who_are_you_rqst (tvbuff_t *tvb, int offset,
  55                                packet_info *pinfo, proto_tree *tree,
  56                                dcerpc_info *di, guint8 *drep)
  57 {
  58         /*
  59          *         [in]    uuid_t          *actuid,
  60          *         [in]    unsigned32      boot_time,
  61          */
  62         e_uuid_t actuid;
  63
  64         offset = dissect_ndr_uuid_t(tvb, offset, pinfo, tree, di, drep, hf_conv_who_are_you_rqst_actuid, &actuid);
  65         offset = dissect_ndr_time_t(tvb, offset, pinfo, tree, di, drep, hf_conv_who_are_you_rqst_boot_time, NULL);
  66
  67         col_add_fstr(pinfo->cinfo, COL_INFO,
  68                              "conv_who_are_you request actuid: %08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
  69                              actuid.Data1, actuid.Data2, actuid.Data3,
  70                              actuid.Data4[0], actuid.Data4[1], actuid.Data4[2], actuid.Data4[3],
  71                              actuid.Data4[4], actuid.Data4[5], actuid.Data4[6], actuid.Data4[7]);
  72
  73         return offset;
  74 }
  75
  76 static int
  77 conv_dissect_who_are_you_resp (tvbuff_t *tvb, int offset,
  78                                packet_info *pinfo, proto_tree *tree,
  79                                dcerpc_info *di, guint8 *drep)
  80 {
  81         /*
  82          *         [out]   unsigned32      *seq,
  83          *         [out]   unsigned32      *st
  84          */
  85         guint32 seq, st;
  86
  87         offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, di, drep, hf_conv_who_are_you_resp_seq, &seq);
  88         offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, di, drep, hf_conv_rc, &st);
  89
  90
  91         col_add_fstr(pinfo->cinfo, COL_INFO, "conv_who_are_you response seq:%u st:%s",
  92                              seq, val_to_str_ext(st, &dce_error_vals_ext, "%u"));
  93
  94         return offset;
  95 }
  96
  97
  98
  99 static int
 100 conv_dissect_who_are_you2_rqst (tvbuff_t *tvb, int offset,
 101                                 packet_info *pinfo, proto_tree *tree,
 102                                 dcerpc_info *di, guint8 *drep)
 103 {
 104         /*
 105          *         [in]    uuid_t          *actuid,
 106          *         [in]    unsigned32      boot_time,
 107          */
 108         e_uuid_t actuid;
 109
 110         offset = dissect_ndr_uuid_t(tvb, offset, pinfo, tree, di, drep, hf_conv_who_are_you2_rqst_actuid, &actuid);
 111         offset = dissect_ndr_time_t(tvb, offset, pinfo, tree, di, drep, hf_conv_who_are_you2_rqst_boot_time, NULL);
 112
 113                 col_add_fstr(pinfo->cinfo, COL_INFO,
 114                              "conv_who_are_you2 request actuid: %08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
 115                              actuid.Data1, actuid.Data2, actuid.Data3,
 116                              actuid.Data4[0], actuid.Data4[1], actuid.Data4[2], actuid.Data4[3],
 117                              actuid.Data4[4], actuid.Data4[5], actuid.Data4[6], actuid.Data4[7]);
 118
 119         return offset;
 120 }
 121 static int
 122 conv_dissect_who_are_you2_resp (tvbuff_t *tvb, int offset,
 123                                 packet_info *pinfo, proto_tree *tree,
 124                                 dcerpc_info *di, guint8 *drep)
 125 {
 126         /*
 127          *         [out]   unsigned32      *seq,
 128          *         [out]   uuid_t          *cas_uuid,
 129          *
 130          *         [out]   unsigned32      *st
 131          */
 132         guint32 seq, st;
 133         e_uuid_t cas_uuid;
 134
 135         offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, di, drep, hf_conv_who_are_you2_resp_seq, &seq);
 136         offset = dissect_ndr_uuid_t (tvb, offset, pinfo, tree, di, drep, hf_conv_who_are_you2_resp_casuuid, &cas_uuid);
 137         offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, di, drep, hf_conv_rc, &st);
 138
 139         col_add_fstr(pinfo->cinfo, COL_INFO,
 140                              "conv_who_are_you2 response seq:%u st:%s cas:%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
 141                              seq, val_to_str_ext(st, &dce_error_vals_ext, "%u"),
 142                              cas_uuid.Data1, cas_uuid.Data2, cas_uuid.Data3,
 143                              cas_uuid.Data4[0], cas_uuid.Data4[1], cas_uuid.Data4[2], cas_uuid.Data4[3],
 144                              cas_uuid.Data4[4], cas_uuid.Data4[5], cas_uuid.Data4[6], cas_uuid.Data4[7]);
 145
 146         return offset;
 147 }
 148
 149
 150 static dcerpc_sub_dissector conv_dissectors[] = {
 151     { 0, "who_are_you",
 152           conv_dissect_who_are_you_rqst, conv_dissect_who_are_you_resp },
 153     { 1, "who_are_you2",
 154           conv_dissect_who_are_you2_rqst, conv_dissect_who_are_you2_resp },
 155     { 2, "are_you_there",
 156           NULL, NULL },
 157     { 3, "who_are_you_auth",
 158           NULL, NULL },
 159     { 4, "who_are_you_auth_more",
 160           NULL, NULL },
 161     { 0, NULL, NULL, NULL }
 162 };
 163
 164 void
 165 proto_register_conv (void)
 166 {
 167         static hf_register_info hf[] = {
 168         { &hf_conv_opnum,
 169             { "Operation", "conv.opnum", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
 170         { &hf_conv_rc,
 171             {"Status", "conv.status", FT_UINT32, BASE_DEC|BASE_EXT_STRING, &dce_error_vals_ext, 0x0, NULL, HFILL }},
 172
 173         { &hf_conv_who_are_you_rqst_actuid,
 174             {"Activity UID", "conv.who_are_you_rqst_actuid", FT_GUID, BASE_NONE, NULL, 0x0, "UUID", HFILL }},
 175         { &hf_conv_who_are_you_rqst_boot_time,
 176             {"Boot time", "conv.who_are_you_rqst_boot_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL }},
 177         { &hf_conv_who_are_you2_rqst_actuid,
 178             {"Activity UID", "conv.who_are_you2_rqst_actuid", FT_GUID, BASE_NONE, NULL, 0x0, "UUID", HFILL }},
 179         { &hf_conv_who_are_you2_rqst_boot_time,
 180             {"Boot time", "conv.who_are_you2_rqst_boot_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL }},
 181
 182         { &hf_conv_who_are_you_resp_seq,
 183             {"Sequence Number", "conv.who_are_you_resp_seq", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
 184         { &hf_conv_who_are_you2_resp_seq,
 185             {"Sequence Number", "conv.who_are_you2_resp_seq", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
 186         { &hf_conv_who_are_you2_resp_casuuid,
 187             {"Client's address space UUID", "conv.who_are_you2_resp_casuuid", FT_GUID, BASE_NONE, NULL, 0x0, "UUID", HFILL }}
 188         };
 189
 190         static gint *ett[] = {
 191                 &ett_conv
 192         };
 193         proto_conv = proto_register_protocol ("DCE/RPC Conversation Manager", "CONV", "conv");
 194         proto_register_field_array (proto_conv, hf, array_length (hf));
 195         proto_register_subtree_array (ett, array_length (ett));
 196 }
 197
 198 void
 199 proto_reg_handoff_conv (void)
 200 {
 201         /* Register the protocol as dcerpc */
 202         dcerpc_init_uuid (proto_conv, ett_conv, &uuid_conv, ver_conv, conv_dissectors, hf_conv_opnum);
 203 }
 204