forked from osmocom/wireshark
143 lines
4.9 KiB
C
143 lines
4.9 KiB
C
/* packet-dcerpc-rpriv.c
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*
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* Routines for DCERPC Privilege Server operations
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* Copyright 2002, Jaime Fournier <Jaime.Fournier@hush.com>
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* This information is based off the released idl files from opengroup.
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* ftp://ftp.opengroup.org/pub/dce122/dce/src/security.tar.gz security/idl/rpriv.idl
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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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#include "config.h"
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#include <epan/packet.h>
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#include "packet-dcerpc.h"
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void proto_register_rpriv (void);
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void proto_reg_handoff_rpriv (void);
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static int proto_rpriv = -1;
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static int hf_rpriv_opnum = -1;
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static int hf_rpriv_get_eptgt_rqst_authn_svc = -1;
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static int hf_rpriv_get_eptgt_rqst_authz_svc = -1;
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static int hf_rpriv_get_eptgt_rqst_var1 = -1;
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/* static int hf_rpriv_get_eptgt_rqst_key_size = -1; */
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static int hf_rpriv_get_eptgt_rqst_key_size2 = -1;
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static int hf_rpriv_get_eptgt_rqst_key_t = -1;
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static int hf_rpriv_get_eptgt_rqst_key_t2 = -1;
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static gint ett_rpriv = -1;
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static e_guid_t uuid_rpriv = { 0xb1e338f8, 0x9533, 0x11c9, { 0xa3, 0x4a, 0x08, 0x00, 0x1e, 0x01, 0x9c, 0x1e } };
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static guint16 ver_rpriv = 1;
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static int
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rpriv_dissect_get_eptgt_rqst (tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree,
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dcerpc_info *di, guint8 *drep)
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{
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/* [in] handle_t handle,
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* [in] unsigned32 authn_svc,
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* [in] unsigned32 authz_svc,
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* [in] rpriv_pickle_t *ptgt_req,
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* unsigned32 num_bytes;
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* [size_is(num_bytes)]
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* byte bytes[];
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*/
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guint32 authn_svc, authz_svc, key_size, key_size2, var1;
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const guint8 *key_t1 = NULL;
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const guint8 *key_t2 = NULL;
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offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep, hf_rpriv_get_eptgt_rqst_authn_svc, &authn_svc);
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offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep, hf_rpriv_get_eptgt_rqst_authz_svc, &authz_svc);
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offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep, hf_rpriv_get_eptgt_rqst_var1, &var1);
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offset += 276;
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offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep, hf_rpriv_get_eptgt_rqst_key_size2, &key_size);
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/* advance to get size of cell, and princ */
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proto_tree_add_item_ret_string(tree, hf_rpriv_get_eptgt_rqst_key_t, tvb, offset, key_size, ENC_ASCII|ENC_NA, pinfo->pool, &key_t1);
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offset += key_size;
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offset += 8;
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offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep, hf_rpriv_get_eptgt_rqst_key_size2, &key_size2);
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proto_tree_add_item_ret_string(tree, hf_rpriv_get_eptgt_rqst_key_t2, tvb, offset, key_size2, ENC_ASCII|ENC_NA, pinfo->pool, &key_t2);
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offset += key_size2;
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col_append_fstr(pinfo->cinfo, COL_INFO,
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" Request for: %s in %s ", key_t2, key_t1);
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return offset;
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}
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static dcerpc_sub_dissector rpriv_dissectors[] = {
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{ 0, "get_ptgt", NULL,NULL},
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{ 1, "become_delegate", NULL, NULL},
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{ 2, "become_impersonator", NULL, NULL},
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{ 3, "get_eptgt", rpriv_dissect_get_eptgt_rqst , NULL},
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{ 0, NULL, NULL, NULL }
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};
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void
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proto_register_rpriv (void)
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{
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static hf_register_info hf[] = {
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{ &hf_rpriv_opnum,
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{ "Operation", "rpriv.opnum", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_rpriv_get_eptgt_rqst_authn_svc,
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{ "Authn_Svc", "rpriv.get_eptgt_rqst_authn_svc", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_rpriv_get_eptgt_rqst_authz_svc,
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{ "Authz_Svc", "rpriv.get_eptgt_rqst_authz_svc", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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#if 0
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{ &hf_rpriv_get_eptgt_rqst_key_size,
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{ "Key_Size", "rpriv.get_eptgt_rqst_key_size", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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#endif
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{ &hf_rpriv_get_eptgt_rqst_var1,
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{ "Var1", "rpriv.get_eptgt_rqst_var1", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_rpriv_get_eptgt_rqst_key_size2,
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{ "Key_Size", "rpriv.get_eptgt_rqst_key_size2", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
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{ &hf_rpriv_get_eptgt_rqst_key_t,
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{ "Key_t", "rpriv.get_eptgt_rqst_key_t", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
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{ &hf_rpriv_get_eptgt_rqst_key_t2,
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{ "Key_t2", "rpriv.get_eptgt_rqst_key_t2", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
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};
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static gint *ett[] = {
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&ett_rpriv,
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};
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proto_rpriv = proto_register_protocol ("Privilege Server operations", "rpriv", "rpriv");
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proto_register_field_array (proto_rpriv, 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_rpriv (void)
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{
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/* Register the protocol as dcerpc */
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dcerpc_init_uuid (proto_rpriv, ett_rpriv, &uuid_rpriv, ver_rpriv, rpriv_dissectors, hf_rpriv_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: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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