1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright 2019 Nexenta Systems, Inc.  All rights reserved.
24 */
25
26#ifndef _SMBSRV_SMB_DOOR_H
27#define	_SMBSRV_SMB_DOOR_H
28
29#include <sys/door.h>
30#include <smb/wintypes.h>
31#include <smbsrv/smb_xdr.h>
32#include <smbsrv/smb_token.h>
33
34#ifdef __cplusplus
35extern "C" {
36#endif
37
38#define	SMBD_DOOR_NAME			"/var/run/smbd_door"
39
40#define	SMB_DOOR_CALL_RETRIES		3
41
42/*
43 * Opcodes for smbd door.
44 *
45 * SMB_DR_NULL is the equivalent of the NULL RPC.  It ensures that an
46 * opcode of zero is not misinterpreted as an operational door call
47 * and it is available as a test interface.
48 *
49 * SMB_DR_ASYNC_RESPONSE delivers the response part of an asynchronous
50 * request and must be processed as a synchronous request.
51 *
52 * See also: smb_doorhdr_opname()
53 */
54typedef enum smb_dopcode {
55	SMB_DR_NULL = 0,
56	SMB_DR_ASYNC_RESPONSE,
57	SMB_DR_USER_AUTH_LOGON,
58	SMB_DR_USER_NONAUTH_LOGON,
59	SMB_DR_USER_AUTH_LOGOFF,
60	SMB_DR_LOOKUP_SID,
61	SMB_DR_LOOKUP_NAME,
62	SMB_DR_JOIN,
63	SMB_DR_GET_DCINFO,
64	SMB_DR_VSS_GET_COUNT,
65	SMB_DR_VSS_GET_SNAPSHOTS,
66	SMB_DR_VSS_MAP_GMTTOKEN,
67	SMB_DR_ADS_FIND_HOST,
68	SMB_DR_QUOTA_QUERY,
69	SMB_DR_QUOTA_SET,
70	SMB_DR_DFS_GET_REFERRALS,
71	SMB_DR_SHR_HOSTACCESS,
72	SMB_DR_SHR_EXEC,
73	SMB_DR_NOTIFY_DC_CHANGED,
74	SMB_DR_LOOKUP_LSID,
75	SMB_DR_LOOKUP_LNAME
76} smb_dopcode_t;
77
78struct smb_event;
79
80typedef struct smb_doorarg {
81	smb_doorhdr_t		da_hdr;
82	door_arg_t		da_arg;
83	xdrproc_t		da_req_xdr;
84	xdrproc_t		da_rsp_xdr;
85	void			*da_req_data;
86	void			*da_rsp_data;
87	smb_dopcode_t		da_opcode;
88	const char		*da_opname;
89	struct smb_event	*da_event;
90	uint32_t		da_flags;
91} smb_doorarg_t;
92
93/*
94 * Door call return codes.
95 */
96#define	SMB_DOP_SUCCESS			0
97#define	SMB_DOP_NOT_CALLED		1
98#define	SMB_DOP_DECODE_ERROR		2
99#define	SMB_DOP_ENCODE_ERROR		3
100#define	SMB_DOP_EMPTYBUF		4
101
102#if !defined(_KERNEL) && !defined(_FAKE_KERNEL)
103char *smb_common_encode(void *, xdrproc_t, size_t *);
104int smb_common_decode(char *, size_t, xdrproc_t, void *);
105char *smb_string_encode(char *, size_t *);
106int smb_string_decode(smb_string_t *, char *, size_t);
107#endif /* !_KERNEL */
108
109/* libfksmbsrv "kdoor" callback to smbd-d */
110typedef int fksmb_kdoor_disp_func_t(smb_doorarg_t *);
111
112/* libfksmbsrv "opipe" callback to smbd-d */
113typedef int fksmb_opipe_disp_func_t(door_arg_t *);
114
115/*
116 * Legacy door interface
117 */
118#define	SMB_SHARE_DNAME		"/var/run/smb_share_door"
119#define	SMB_SHARE_DSIZE		(65 * 1024)
120
121/*
122 * door operations
123 */
124#define	SMB_SHROP_NUM_SHARES		1
125#define	SMB_SHROP_DELETE		2
126#define	SMB_SHROP_RENAME		3
127#define	SMB_SHROP_ADD			4
128#define	SMB_SHROP_MODIFY		5
129#define	SMB_SHROP_LIST			6
130
131/*
132 * Door server status
133 *
134 * SMB_SHARE_DERROR is returned by the door server if there is problem
135 * with marshalling/unmarshalling. Otherwise, SMB_SHARE_DSUCCESS is
136 * returned.
137 *
138 */
139#define	SMB_SHARE_DSUCCESS		0
140#define	SMB_SHARE_DERROR		-1
141
142typedef struct smb_dr_ctx {
143	char *ptr;
144	char *start_ptr;
145	char *end_ptr;
146	int status;
147} smb_dr_ctx_t;
148
149smb_dr_ctx_t *smb_dr_decode_start(char *, int);
150int smb_dr_decode_finish(smb_dr_ctx_t *);
151
152smb_dr_ctx_t *smb_dr_encode_start(char *, int);
153int smb_dr_encode_finish(smb_dr_ctx_t *, unsigned int *);
154
155int32_t smb_dr_get_int32(smb_dr_ctx_t *);
156DWORD smb_dr_get_dword(smb_dr_ctx_t *);
157uint32_t smb_dr_get_uint32(smb_dr_ctx_t *);
158int64_t smb_dr_get_int64(smb_dr_ctx_t *);
159uint64_t smb_dr_get_uint64(smb_dr_ctx_t *);
160unsigned short smb_dr_get_ushort(smb_dr_ctx_t *);
161
162void smb_dr_put_int32(smb_dr_ctx_t *, int32_t);
163void smb_dr_put_dword(smb_dr_ctx_t *, DWORD);
164void smb_dr_put_uint32(smb_dr_ctx_t *, uint32_t);
165void smb_dr_put_int64(smb_dr_ctx_t *, int64_t);
166void smb_dr_put_uint64(smb_dr_ctx_t *, uint64_t);
167void smb_dr_put_ushort(smb_dr_ctx_t *, unsigned short);
168
169char *smb_dr_get_string(smb_dr_ctx_t *);
170void smb_dr_put_string(smb_dr_ctx_t *, const char *);
171void smb_dr_free_string(char *);
172
173void smb_dr_put_word(smb_dr_ctx_t *, WORD);
174WORD smb_dr_get_word(smb_dr_ctx_t *);
175
176void smb_dr_put_BYTE(smb_dr_ctx_t *, BYTE);
177BYTE smb_dr_get_BYTE(smb_dr_ctx_t *);
178
179void smb_dr_put_buf(smb_dr_ctx_t *, unsigned char *, int);
180int smb_dr_get_buf(smb_dr_ctx_t *, unsigned char *, int);
181
182void smb_dr_get_share(smb_dr_ctx_t *, smb_share_t *);
183void smb_dr_put_share(smb_dr_ctx_t *, smb_share_t *);
184
185void smb_share_door_clnt_init(void);
186void smb_share_door_clnt_fini(void);
187
188#ifdef __cplusplus
189}
190#endif
191
192#endif	/* _SMBSRV_SMB_DOOR_H */
193