/* packet-dcom-remact.c * Routines for DCOM Remote Activation * Copyright 2001, Todd Sabin * * Wireshark - Network traffic analyzer * By Gerald Combs * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ /* see packet-dcom.c for details about DCOM */ #include "config.h" #include #include "packet-dcerpc.h" #include "packet-dcom.h" void proto_register_remact(void); void proto_reg_handoff_remact(void); static int hf_remact_opnum = -1; static int hf_remact_requested_protseqs = -1; static int hf_remact_protseqs = -1; static int hf_remact_interfaces = -1; static int hf_remact_mode = -1; static int hf_remact_client_impl_level = -1; static int hf_remact_object_name = -1; static int hf_remact_object_storage = -1; static int hf_remact_interface_data = -1; static int hf_remact_oxid_bindings = -1; static int hf_remact_authn_hint = -1; static int proto_remact = -1; static gint ett_remact = -1; static e_guid_t uuid_remact = { 0x4d9f4ab8, 0x7d1c, 0x11cf, { 0x86, 0x1e, 0x00, 0x20, 0xaf, 0x6e, 0x7c, 0x57 } }; static guint16 ver_remact = 0; static int dissect_remact_remote_activation_rqst(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep) { guint32 u32ClientImpLevel; guint32 u32Mode; guint32 u32Interfaces; guint32 u32Pointer; guint32 u32ArraySize; guint32 u32ItemIdx; guint16 u16ProtSeqs; e_guid_t clsid; e_guid_t iid; gchar szObjName[1000] = { 0 }; guint32 u32ObjNameLen = sizeof(szObjName); offset = dissect_dcom_this(tvb, offset, pinfo, tree, di, drep); offset = dissect_dcom_append_UUID(tvb, offset, pinfo, tree, di, drep, hf_dcom_clsid, -1, &clsid); offset = dissect_dcom_dcerpc_pointer(tvb, offset, pinfo, tree, di, drep, &u32Pointer); if (u32Pointer) { offset = dissect_dcom_BSTR(tvb, offset, pinfo, tree, di, drep, hf_remact_object_name, szObjName, u32ObjNameLen); } offset = dissect_dcom_PMInterfacePointer(tvb, offset, pinfo, tree, di, drep, hf_remact_object_storage, NULL /* XXX */); offset = dissect_dcom_DWORD(tvb, offset, pinfo, tree, di, drep, hf_remact_client_impl_level, &u32ClientImpLevel); offset = dissect_dcom_DWORD(tvb, offset, pinfo, tree, di, drep, hf_remact_mode, &u32Mode); /* Interfaces */ offset = dissect_dcom_DWORD(tvb, offset, pinfo, tree, di, drep, hf_remact_interfaces, &u32Interfaces); offset = dissect_dcom_dcerpc_pointer(tvb, offset, pinfo, tree, di, drep, &u32Pointer); if (u32Pointer) { offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, di, drep, &u32ArraySize); u32ItemIdx = 1; while (u32Interfaces--) { offset = dissect_dcom_append_UUID(tvb, offset, pinfo, tree, di, drep, hf_dcom_iid, u32ItemIdx, &iid); u32ItemIdx++; } } offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep, hf_remact_requested_protseqs, &u16ProtSeqs); offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, di, drep, &u32ArraySize); u32ItemIdx = 1; while (u32ArraySize--) { offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep, hf_remact_protseqs, &u16ProtSeqs); u32ItemIdx++; } return offset; } static int dissect_remact_remote_activation_resp(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep) { guint32 u32Pointer; e_guid_t ipid; guint32 u32AuthnHint; guint16 u16VersionMajor; guint16 u16VersionMinor; guint32 u32HResult; guint32 u32ArraySize; guint32 u32Idx; guint32 u32VariableOffset; offset = dissect_dcom_that(tvb, offset, pinfo, tree, di, drep); offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep, hf_dcom_oxid, NULL); offset = dissect_dcom_dcerpc_pointer(tvb, offset, pinfo, tree, di, drep, &u32Pointer); if (u32Pointer) { offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, di, drep, &u32ArraySize); offset = dissect_dcom_DUALSTRINGARRAY(tvb, offset, pinfo, tree, di, drep, hf_remact_oxid_bindings, NULL); } offset = dissect_dcom_UUID(tvb, offset, pinfo, tree, di, drep, hf_dcom_ipid, &ipid); offset = dissect_dcom_DWORD(tvb, offset, pinfo, tree, di, drep, hf_remact_authn_hint, &u32AuthnHint); offset = dissect_dcom_COMVERSION(tvb, offset, pinfo, tree, di, drep, &u16VersionMajor, &u16VersionMinor); offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, di, drep, &u32HResult); offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, di, drep, &u32ArraySize); u32VariableOffset = offset + u32ArraySize * 4; while (u32ArraySize--) { offset = dissect_dcom_dcerpc_pointer(tvb, offset, pinfo, tree, di, drep, &u32Pointer); if (u32Pointer) { u32VariableOffset = dissect_dcom_MInterfacePointer(tvb, u32VariableOffset, pinfo, tree, di, drep, hf_remact_interface_data, NULL /* XXX */); } } offset = u32VariableOffset; offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, di, drep, &u32ArraySize); u32Idx = 1; while (u32ArraySize--) { offset = dissect_dcom_indexed_HRESULT(tvb, offset, pinfo, tree, di, drep, &u32HResult, u32Idx); /* update column info now */ col_append_fstr(pinfo->cinfo, COL_INFO, " %s[%u]", val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)"), u32Idx); u32Idx++; } offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, di, drep, &u32HResult); /* update column info now */ col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s", val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)")); return offset; } static dcerpc_sub_dissector remact_dissectors[] = { { 0, "RemoteActivation", dissect_remact_remote_activation_rqst, dissect_remact_remote_activation_resp }, { 0, NULL, NULL, NULL }, }; void proto_register_remact (void) { static hf_register_info hf_remact[] = { { &hf_remact_opnum, { "Operation", "remact.opnum", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_remact_requested_protseqs, { "RequestedProtSeqs", "remact.req_prot_seqs", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_remact_protseqs, { "ProtSeqs", "remact.prot_seqs", FT_UINT16, BASE_DEC, VALS(dcom_protseq_vals), 0x0, NULL, HFILL }}, { &hf_remact_interfaces, { "Interfaces", "remact.interfaces", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_remact_mode, { "Mode", "remact.mode", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_remact_client_impl_level, { "ClientImplLevel", "remact.client_impl_level", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_remact_object_name, { "ObjectName", "remact.object_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_remact_object_storage, { "ObjectStorage", "remact.object_storage", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_remact_interface_data, { "InterfaceData", "remact.interface_data", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_remact_oxid_bindings, { "OxidBindings", "remact.oxid_bindings", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_remact_authn_hint, { "AuthnHint", "remact.authn_hint", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, }; static gint *ett[] = { &ett_remact }; proto_remact = proto_register_protocol ("DCOM IRemoteActivation", "REMACT", "remact"); proto_register_field_array (proto_remact, hf_remact, array_length (hf_remact)); proto_register_subtree_array (ett, array_length (ett)); } void proto_reg_handoff_remact (void) { /* Register the protocol as dcerpc */ dcerpc_init_uuid (proto_remact, ett_remact, &uuid_remact, ver_remact, remact_dissectors, hf_remact_opnum); } /* * Editor modelines - http://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 8 * tab-width: 8 * indent-tabs-mode: t * End: * * vi: set shiftwidth=8 tabstop=8 noexpandtab: * :indentSize=8:tabSize=8:noTabs=false: */