/* packet-dcom-oxid.c * Routines for DCOM OXID Resolver * 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_oxid(void); void proto_reg_handoff_oxid(void); static int proto_oxid = -1; static int hf_oxid_opnum = -1; static int hf_oxid_setid = -1; static int hf_oxid_seqnum = -1; static int hf_oxid_addtoset = -1; static int hf_oxid_delfromset = -1; static int hf_oxid_oid = -1; static int hf_oxid_ping_backoff_factor = -1; static int hf_oxid_oxid = -1; static int hf_oxid_requested_protseqs = -1; static int hf_oxid_protseqs = -1; static int hf_oxid_bindings = -1; static int hf_oxid_ipid = -1; static int hf_oxid_authn_hint = -1; static int hf_oxid_Unknown1 = -1; static int hf_oxid_Unknown2 = -1; static int hf_oxid_ds_array = -1; static gint ett_oxid = -1; static e_guid_t uuid_oxid = { 0x99fcfec4, 0x5260, 0x101b, { 0xbb, 0xcb, 0x00, 0xaa, 0x00, 0x21, 0x34, 0x7a } }; static guint16 ver_oxid = 0; static int dissect_oxid_simple_ping_rqst(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep) { offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep, hf_oxid_setid, NULL); return offset; } static int dissect_oxid_simple_ping_resp(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep) { guint32 u32HResult; offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, di, drep, &u32HResult); col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s", val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)") ); return offset; } static int dissect_oxid_server_alive_resp(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep) { guint32 u32HResult; offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, di, drep, &u32HResult); col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s", val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)") ); return offset; } static int dissect_oxid_complex_ping_rqst(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep) { guint16 u16SeqNum; guint16 u16AddToSet; guint16 u16DelFromSet; guint32 u32Pointer; guint32 u32ArraySize; offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep, hf_oxid_setid, NULL); offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep, hf_oxid_seqnum, &u16SeqNum); offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep, hf_oxid_addtoset, &u16AddToSet); offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep, hf_oxid_delfromset, &u16DelFromSet); col_append_fstr(pinfo->cinfo, COL_INFO, " AddToSet=%u DelFromSet=%u", u16AddToSet, u16DelFromSet); 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); while (u16AddToSet--) { offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep, hf_oxid_oid, 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); while (u16DelFromSet--) { offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep, hf_oxid_oid, NULL); } } return offset; } static int dissect_oxid_complex_ping_resp(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep) { guint16 u16PingBackoffFactor; guint32 u32HResult; offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep, hf_oxid_setid, NULL); offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep, hf_oxid_ping_backoff_factor, &u16PingBackoffFactor); offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, di, drep, &u32HResult); col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s", val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)") ); return offset; } static int dissect_oxid_resolve_oxid2_rqst(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep) { guint16 u16ProtSeqs; guint32 u32ArraySize; guint32 u32ItemIdx; offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep, hf_oxid_oxid, NULL); offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep, hf_oxid_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_oxid_protseqs, &u16ProtSeqs); u32ItemIdx++; } return offset; } static int dissect_oxid_resolve_oxid2_resp(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep) { guint32 u32Pointer; guint32 u32ArraySize; e_guid_t ipid; guint32 u32AuthnHint; guint16 u16VersionMajor; guint16 u16VersionMinor; guint32 u32HResult; 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_oxid_bindings, NULL); offset = dissect_dcom_UUID(tvb, offset, pinfo, tree, di, drep, hf_oxid_ipid, &ipid); offset = dissect_dcom_DWORD(tvb, offset, pinfo, tree, di, drep, hf_oxid_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); col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s", val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)") ); return offset; } static int dissect_oxid_server_alive2_resp(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep) { guint16 u16VersionMajor; guint16 u16VersionMinor; offset = dissect_dcom_COMVERSION(tvb, offset, pinfo, tree, di, drep, &u16VersionMajor, &u16VersionMinor); /* XXX - understand what those 8 bytes mean! don't skip'em!*/ dissect_dcerpc_uint64(tvb, offset, pinfo, tree, di, drep, hf_oxid_Unknown1, NULL); offset += 8; offset = dissect_dcom_DUALSTRINGARRAY(tvb, offset, pinfo, tree, di, drep, hf_oxid_ds_array, NULL); /* unknown field 2 */ dissect_dcerpc_uint64(tvb, offset, pinfo, tree, di, drep, hf_oxid_Unknown2, NULL); offset += 8; return offset; } /* XXX - some dissectors still need to be done */ static dcerpc_sub_dissector oxid_dissectors[] = { { 0, "ResolveOxid", NULL, NULL }, { 1, "SimplePing", dissect_oxid_simple_ping_rqst, dissect_oxid_simple_ping_resp }, { 2, "ComplexPing", dissect_oxid_complex_ping_rqst, dissect_oxid_complex_ping_resp }, { 3, "ServerAlive", NULL /* no input parameters */, dissect_oxid_server_alive_resp }, { 4, "ResolveOxid2", dissect_oxid_resolve_oxid2_rqst, dissect_oxid_resolve_oxid2_resp }, { 5, "ServerAlive2", NULL, dissect_oxid_server_alive2_resp }, { 0, NULL, NULL, NULL }, }; void proto_register_oxid (void) { static hf_register_info hf[] = { { &hf_oxid_opnum, { "Operation", "oxid.opnum", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_setid, { "SetId", "oxid.setid", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_seqnum, { "SeqNum", "oxid.seqnum", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_addtoset, { "AddToSet", "oxid.addtoset", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_delfromset, { "DelFromSet", "oxid.delfromset", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_oid, { "OID", "oxid.oid", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_ping_backoff_factor, { "PingBackoffFactor", "oxid.ping_backoff_factor", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_oxid, { "OXID", "oxid.oxid", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_requested_protseqs, { "RequestedProtSeq", "oxid.requested_protseqs", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_protseqs, { "ProtSeq", "oxid.protseqs", FT_UINT16, BASE_DEC, VALS(dcom_protseq_vals), 0x0, NULL, HFILL }}, { &hf_oxid_bindings, { "OxidBindings", "oxid.bindings", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_ipid, { "IPID", "oxid.ipid", FT_GUID, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_authn_hint, { "AuthnHint", "oxid.authn_hint", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_ds_array, { "Address", "dcom.oxid.address", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_Unknown1, { "unknown 8 bytes 1", "oxid.unknown1", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_oxid_Unknown2, { "unknown 8 bytes 2", "oxid.unknown2", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }} }; static gint *ett[] = { &ett_oxid }; proto_oxid = proto_register_protocol ("DCOM OXID Resolver", "IOXIDResolver", "oxid"); proto_register_field_array (proto_oxid, hf, array_length (hf)); proto_register_subtree_array (ett, array_length (ett)); } void proto_reg_handoff_oxid (void) { /* Register the protocol as dcerpc */ dcerpc_init_uuid (proto_oxid, ett_oxid, &uuid_oxid, ver_oxid, oxid_dissectors, hf_oxid_opnum); } /* * Editor modelines - http://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */