338 lines
11 KiB
C
338 lines
11 KiB
C
/* packet-dcom-oxid.c
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* Routines for DCOM OXID Resolver
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* Copyright 2001, Todd Sabin <tas@webspan.net>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/* see packet-dcom.c for details about DCOM */
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#include "config.h"
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#include <epan/packet.h>
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#include "packet-dcerpc.h"
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#include "packet-dcom.h"
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void proto_register_oxid(void);
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void proto_reg_handoff_oxid(void);
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static int proto_oxid = -1;
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static int hf_oxid_opnum = -1;
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static int hf_oxid_setid = -1;
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static int hf_oxid_seqnum = -1;
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static int hf_oxid_addtoset = -1;
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static int hf_oxid_delfromset = -1;
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static int hf_oxid_oid = -1;
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static int hf_oxid_ping_backoff_factor = -1;
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static int hf_oxid_oxid = -1;
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static int hf_oxid_requested_protseqs = -1;
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static int hf_oxid_protseqs = -1;
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static int hf_oxid_bindings = -1;
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static int hf_oxid_ipid = -1;
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static int hf_oxid_authn_hint = -1;
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static int hf_oxid_Unknown1 = -1;
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static int hf_oxid_Unknown2 = -1;
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static int hf_oxid_ds_array = -1;
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static gint ett_oxid = -1;
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static e_guid_t uuid_oxid = { 0x99fcfec4, 0x5260, 0x101b, { 0xbb, 0xcb, 0x00, 0xaa, 0x00, 0x21, 0x34, 0x7a } };
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static guint16 ver_oxid = 0;
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static int
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dissect_oxid_simple_ping_rqst(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
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{
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offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_setid, NULL);
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return offset;
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}
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static int
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dissect_oxid_simple_ping_resp(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
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{
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guint32 u32HResult;
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offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, di, drep,
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&u32HResult);
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col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s",
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val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)") );
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return offset;
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}
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static int
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dissect_oxid_server_alive_resp(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
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{
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guint32 u32HResult;
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offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, di, drep,
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&u32HResult);
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col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s",
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val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)") );
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return offset;
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}
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static int
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dissect_oxid_complex_ping_rqst(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
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{
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guint16 u16SeqNum;
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guint16 u16AddToSet;
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guint16 u16DelFromSet;
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guint32 u32Pointer;
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guint32 u32ArraySize;
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offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_setid, NULL);
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offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_seqnum, &u16SeqNum);
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offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_addtoset, &u16AddToSet);
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offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_delfromset, &u16DelFromSet);
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col_append_fstr(pinfo->cinfo, COL_INFO, " AddToSet=%u DelFromSet=%u",
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u16AddToSet, u16DelFromSet);
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offset = dissect_dcom_dcerpc_pointer(tvb, offset, pinfo, tree, di, drep,
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&u32Pointer);
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if (u32Pointer) {
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offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, di, drep,
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&u32ArraySize);
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while (u16AddToSet--) {
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offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_oid, NULL);
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}
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}
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offset = dissect_dcom_dcerpc_pointer(tvb, offset, pinfo, tree, di, drep,
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&u32Pointer);
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if (u32Pointer) {
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offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, di, drep,
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&u32ArraySize);
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while (u16DelFromSet--) {
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offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_oid, NULL);
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}
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}
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return offset;
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}
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static int
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dissect_oxid_complex_ping_resp(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
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{
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guint16 u16PingBackoffFactor;
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guint32 u32HResult;
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offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_setid, NULL);
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offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_ping_backoff_factor, &u16PingBackoffFactor);
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offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, di, drep,
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&u32HResult);
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col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s",
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val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)") );
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return offset;
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}
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static int
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dissect_oxid_resolve_oxid2_rqst(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
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{
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guint16 u16ProtSeqs;
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guint32 u32ArraySize;
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offset = dissect_dcom_ID(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_oxid, NULL);
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offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_requested_protseqs, &u16ProtSeqs);
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offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, di, drep,
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&u32ArraySize);
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while (u32ArraySize--) {
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offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_protseqs, &u16ProtSeqs);
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}
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return offset;
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}
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static int
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dissect_oxid_resolve_oxid2_resp(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
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{
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guint32 u32Pointer;
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guint32 u32ArraySize;
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e_guid_t ipid;
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guint32 u32AuthnHint;
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guint16 u16VersionMajor;
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guint16 u16VersionMinor;
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guint32 u32HResult;
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offset = dissect_dcom_dcerpc_pointer(tvb, offset, pinfo, tree, di, drep,
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&u32Pointer);
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if (u32Pointer) {
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offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, tree, di, drep,
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&u32ArraySize);
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offset = dissect_dcom_DUALSTRINGARRAY(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_bindings, NULL);
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offset = dissect_dcom_UUID(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_ipid, &ipid);
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offset = dissect_dcom_DWORD(tvb, offset, pinfo, tree, di, drep,
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hf_oxid_authn_hint, &u32AuthnHint);
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offset = dissect_dcom_COMVERSION(tvb, offset, pinfo, tree, di, drep,
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&u16VersionMajor, &u16VersionMinor);
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}
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offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, di, drep,
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&u32HResult);
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col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s",
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val_to_str(u32HResult, dcom_hresult_vals, "Unknown (0x%08x)") );
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return offset;
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}
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static int
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dissect_oxid_server_alive2_resp(tvbuff_t *tvb, int offset, packet_info *pinfo,
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proto_tree *tree, dcerpc_info *di, guint8 *drep) {
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guint16 u16VersionMajor;
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guint16 u16VersionMinor;
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offset = dissect_dcom_COMVERSION(tvb, offset, pinfo, tree, di, drep, &u16VersionMajor, &u16VersionMinor);
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/* XXX - understand what those 8 bytes mean! don't skip'em!*/
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dissect_dcerpc_uint64(tvb, offset, pinfo, tree, di, drep, hf_oxid_Unknown1, NULL);
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offset += 8;
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offset = dissect_dcom_DUALSTRINGARRAY(tvb, offset, pinfo, tree, di, drep, hf_oxid_ds_array, NULL);
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/* unknown field 2 */
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dissect_dcerpc_uint64(tvb, offset, pinfo, tree, di, drep, hf_oxid_Unknown2, NULL);
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offset += 8;
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return offset;
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}
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/* XXX - some dissectors still need to be done */
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static dcerpc_sub_dissector oxid_dissectors[] = {
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{ 0, "ResolveOxid", NULL, NULL },
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{ 1, "SimplePing", dissect_oxid_simple_ping_rqst, dissect_oxid_simple_ping_resp },
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{ 2, "ComplexPing", dissect_oxid_complex_ping_rqst, dissect_oxid_complex_ping_resp },
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{ 3, "ServerAlive", NULL /* no input parameters */, dissect_oxid_server_alive_resp },
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{ 4, "ResolveOxid2", dissect_oxid_resolve_oxid2_rqst, dissect_oxid_resolve_oxid2_resp },
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{ 5, "ServerAlive2", NULL, dissect_oxid_server_alive2_resp },
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{ 0, NULL, NULL, NULL },
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};
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void
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proto_register_oxid (void)
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{
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static hf_register_info hf[] = {
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{ &hf_oxid_opnum,
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{ "Operation", "oxid.opnum", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_setid,
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{ "SetId", "oxid.setid", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_seqnum,
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{ "SeqNum", "oxid.seqnum", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_addtoset,
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{ "AddToSet", "oxid.addtoset", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_delfromset,
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{ "DelFromSet", "oxid.delfromset", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_oid,
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{ "OID", "oxid.oid", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_ping_backoff_factor,
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{ "PingBackoffFactor", "oxid.ping_backoff_factor", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_oxid,
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{ "OXID", "oxid.oxid", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_requested_protseqs,
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{ "RequestedProtSeq", "oxid.requested_protseqs", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_protseqs,
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{ "ProtSeq", "oxid.protseqs", FT_UINT16, BASE_DEC, VALS(dcom_protseq_vals), 0x0, NULL, HFILL }},
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{ &hf_oxid_bindings,
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{ "OxidBindings", "oxid.bindings", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_ipid,
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{ "IPID", "oxid.ipid", FT_GUID, BASE_NONE, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_authn_hint,
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{ "AuthnHint", "oxid.authn_hint", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_ds_array,
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{ "Address", "dcom.oxid.address", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_Unknown1,
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{ "unknown 8 bytes 1", "oxid.unknown1", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }},
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{ &hf_oxid_Unknown2,
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{ "unknown 8 bytes 2", "oxid.unknown2", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }}
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};
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static gint *ett[] = {
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&ett_oxid
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};
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proto_oxid = proto_register_protocol ("DCOM OXID Resolver", "IOXIDResolver", "oxid");
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proto_register_field_array (proto_oxid, hf, array_length (hf));
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proto_register_subtree_array (ett, array_length (ett));
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}
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void
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proto_reg_handoff_oxid (void)
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{
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/* Register the protocol as dcerpc */
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dcerpc_init_uuid (proto_oxid, ett_oxid, &uuid_oxid, ver_oxid, oxid_dissectors, hf_oxid_opnum);
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}
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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