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 2015 Nexenta Systems, Inc.  All rights reserved.
24 */
25
26#ifndef	_SMBSRV_SMB_XDR_H
27#define	_SMBSRV_SMB_XDR_H
28
29#ifdef	__cplusplus
30extern "C" {
31#endif
32
33#include <rpc/xdr.h>
34#include <sys/param.h>
35#include <sys/avl.h>
36#include <sys/list.h>
37#include <smb/wintypes.h>
38#include <smbsrv/smb_sid.h>
39#include <smbsrv/smbinfo.h>
40#include <smbsrv/smb_ioctl.h>
41#include <smbsrv/smb_sid.h>
42#include <smbsrv/smb_share.h>
43#include <smbsrv/smb_dfs.h>
44
45#if defined(_KERNEL) || defined(_FAKE_KERNEL)
46#include <sys/sysmacros.h>
47#define	xdr_int8_t	xdr_char
48#define	xdr_uint8_t	xdr_u_char
49#define	xdr_int16_t	xdr_short
50#define	xdr_uint16_t	xdr_u_short
51#else /* _KERNEL */
52#include <stddef.h>	/* offsetof */
53#endif /* _KERNEL */
54
55/*
56 * null-terminated string
57 * See also: smb_string_xdr()
58 */
59typedef struct smb_string {
60	char *buf;
61} smb_string_t;
62
63struct smb_buf32;
64
65/*
66 * Initial message on server named pipes.
67 * Followed by smb_netuserinfo
68 */
69typedef struct smb_pipehdr {
70	uint32_t ph_magic;
71	uint32_t ph_uilen;
72} smb_pipehdr_t;
73
74#define	SMB_PIPE_HDR_MAGIC	0x50495045	/* PIPE */
75
76/*
77 * Maximum message size for SMB named pipes.
78 * Should be less than PIPE_BUF (5120).
79 * Use the same value Windows does.
80 */
81#define	SMB_PIPE_MAX_MSGSIZE	4280
82
83/*
84 * Door up-call stuff shared with smbd
85 */
86
87#define	SMB_DOOR_HDR_MAGIC	0x444F4F52	/* DOOR */
88
89/*
90 * Door header flags.
91 */
92#define	SMB_DF_ASYNC		0x00000001	/* Asynchronous call */
93#define	SMB_DF_SYSSPACE		0x00000002	/* Called from the kernel */
94#define	SMB_DF_USERSPACE	0x00000004	/* Called from user space */
95#define	SMB_DF_FAKE_KERNEL	0x00000008	/* Called from fake kernel */
96
97/*
98 * Header for door calls.  The op codes and return codes are defined
99 * in smb_door.h.  The header is here to make it available to XDR.
100 *
101 * fid		For opipe: the pipe identifier.
102 * op		The door operation being invoked.
103 * txid		Unique transaction id for the current door call.
104 * datalen	Bytes of data following the header (excludes the header).
105 * resid	For opipe: the number of bytes remaining in the server.
106 * door_rc	Return code provided by the door server.
107 * status	A pass-through status provided by the door operation.
108 *
109 * See also: smb_doorhdr_xdr()
110 */
111typedef struct smb_doorhdr {
112	uint32_t dh_magic;
113	uint32_t dh_flags;
114	uint32_t dh_fid;
115	uint32_t dh_op;
116	uint32_t dh_txid;
117	uint32_t dh_datalen;
118	uint32_t dh_resid;
119	uint32_t dh_door_rc;
120	uint32_t dh_status;
121} smb_doorhdr_t;
122
123/*
124 * Information about the client of a named pipe, provided by smbsrv
125 * to the server side of the named pipe (the RPC service).
126 * See also: smb_netuserinfo_xdr()
127 */
128typedef struct smb_netuserinfo {
129	uint64_t	ui_session_id;
130	uint16_t	ui_domain_len;
131	char		*ui_domain;
132	uint16_t	ui_account_len;
133	char		*ui_account;
134	uid_t		ui_posix_uid;
135	uint16_t	ui_workstation_len;
136	char		*ui_workstation;
137	smb_inaddr_t	ui_ipaddr;
138	int32_t		ui_native_os;
139	int64_t		ui_logon_time;
140	uint32_t	ui_numopens;
141	uint32_t	ui_flags;
142} smb_netuserinfo_t;
143
144typedef struct smb_opennum {
145	uint32_t	open_users;
146	uint32_t	open_trees;
147	uint32_t	open_files;
148	uint32_t	qualtype;
149	char		qualifier[MAXNAMELEN];
150} smb_opennum_t;
151
152/*
153 * SMB (internal) representation of a tree connection (etc.)
154 * See also: smb_netconnectinfo_xdr()
155 */
156typedef struct smb_netconnectinfo {
157	uint32_t	ci_id;
158	uint32_t	ci_type;
159	uint32_t	ci_numopens;
160	uint32_t	ci_numusers;
161	uint32_t	ci_time;
162	uint32_t	ci_namelen;
163	uint32_t	ci_sharelen;
164	char		*ci_username;
165	char		*ci_share;
166} smb_netconnectinfo_t;
167
168/*
169 * SMB (internal) representation of an open file.
170 * See also: smb_netfileinfo_xdr()
171 */
172typedef struct smb_netfileinfo {
173	uint16_t	fi_fid;
174	uint32_t	fi_uniqid;
175	uint32_t	fi_permissions;
176	uint32_t	fi_numlocks;
177	uint32_t	fi_pathlen;
178	uint32_t	fi_namelen;
179	char		*fi_path;
180	char		*fi_username;
181} smb_netfileinfo_t;
182
183typedef struct smb_netsvcitem {
184	list_node_t	nsi_lnd;
185	union {
186		smb_netuserinfo_t	nsi_user;
187		smb_netconnectinfo_t	nsi_tree;
188		smb_netfileinfo_t	nsi_ofile;
189	} nsi_un;
190} smb_netsvcitem_t;
191
192typedef struct smb_netsvc {
193	list_t			ns_list;
194	smb_netsvcitem_t	*ns_items;
195	smb_ioc_svcenum_t	*ns_ioc;
196	uint32_t		ns_ioclen;
197} smb_netsvc_t;
198
199
200bool_t smb_buf32_xdr(XDR *, struct smb_buf32 *);
201bool_t smb_string_xdr(XDR *, smb_string_t *);
202bool_t smb_inaddr_xdr(XDR *, smb_inaddr_t *);
203
204const char *smb_doorhdr_opname(uint32_t);
205int smb_doorhdr_encode(smb_doorhdr_t *, uint8_t *, uint32_t);
206int smb_doorhdr_decode(smb_doorhdr_t *, uint8_t *, uint32_t);
207bool_t smb_doorhdr_xdr(XDR *xdrs, smb_doorhdr_t *objp);
208int smb_netuserinfo_encode(smb_netuserinfo_t *, uint8_t *, uint32_t, uint_t *);
209int smb_netuserinfo_decode(smb_netuserinfo_t *, uint8_t *, uint32_t, uint_t *);
210bool_t smb_netuserinfo_xdr(XDR *, smb_netuserinfo_t *);
211int smb_netconnectinfo_encode(smb_netconnectinfo_t *, uint8_t *, uint32_t,
212    uint_t *);
213int smb_netconnectinfo_decode(smb_netconnectinfo_t *, uint8_t *, uint32_t,
214    uint_t *);
215bool_t smb_netconnectinfo_xdr(XDR *, smb_netconnectinfo_t *);
216int smb_netfileinfo_encode(smb_netfileinfo_t *, uint8_t *, uint32_t, uint_t *);
217int smb_netfileinfo_decode(smb_netfileinfo_t *, uint8_t *, uint32_t, uint_t *);
218bool_t smb_netfileinfo_xdr(XDR *, smb_netfileinfo_t *);
219
220typedef uint16_t sid_type_t;
221
222typedef struct lsa_account {
223	ntstatus_t	a_status;
224	sid_type_t	a_sidtype;
225	char		a_domain[MAXNAMELEN];
226	char		a_name[MAXNAMELEN];
227	char		a_sid[SMB_SID_STRSZ];
228} lsa_account_t;
229
230int lsa_account_encode(lsa_account_t *, uint8_t *, uint32_t);
231int lsa_account_decode(lsa_account_t *, uint8_t *, uint32_t);
232bool_t lsa_account_xdr(XDR *, lsa_account_t *);
233
234/*
235 * VSS Door Structures
236 */
237#define	SMB_VSS_GMT_SIZE sizeof ("@GMT-yyyy.mm.dd-hh.mm.ss")
238
239/*
240 * Args for enumerating "previous versions".
241 * See also: smb_gmttoken_query_xdr()
242 */
243typedef struct smb_gmttoken_query {
244	uint32_t	gtq_count;
245	char		*gtq_path;
246} smb_gmttoken_query_t;
247
248/*
249 * Part of response for enumerating "previous versions".
250 * See also: smb_gmttoken_xdr()
251 */
252typedef char *smb_gmttoken_t;
253
254/*
255 * Response for enumerating "previous versions".
256 * See also: smb_gmttoken_response_xdr()
257 */
258typedef struct smb_gmttoken_response {
259	uint32_t gtr_count;
260	struct {
261		uint_t		gtr_gmttokens_len;
262		smb_gmttoken_t	*gtr_gmttokens_val;
263	} gtr_gmttokens;
264} smb_gmttoken_response_t;
265
266/*
267 * Args to lookup "previous versions" during open.
268 * See also: smb_gmttoken_snapname_xdr()
269 */
270typedef struct smb_gmttoken_snapname {
271	char	*gts_path;
272	char	*gts_gmttoken;
273	uint64_t gts_toktime; /* seconds */
274} smb_gmttoken_snapname_t;
275
276bool_t smb_gmttoken_query_xdr(XDR *, smb_gmttoken_query_t *);
277bool_t smb_gmttoken_response_xdr(XDR *, smb_gmttoken_response_t *);
278bool_t smb_gmttoken_snapname_xdr(XDR *, smb_gmttoken_snapname_t *);
279
280/*
281 * User and Group Quotas
282 *
283 * SMB User and Group quota values of SMB_QUOTA_UNLIMITED mean
284 * No Limit. This maps to 0 (none) on ZFS.
285 */
286#define	SMB_QUOTA_UNLIMITED		0xFFFFFFFFFFFFFFFF
287
288/*
289 * SMB (internal) representation of a quota response
290 * See also: smb_quota_xdr()
291 */
292typedef struct smb_quota {
293	list_node_t q_list_node;
294	char q_sidstr[SMB_SID_STRSZ];
295	uint32_t q_sidtype;
296	uint64_t q_used;
297	uint64_t q_thresh;
298	uint64_t q_limit;
299	avl_node_t q_avl_node;
300} smb_quota_t;
301
302/*
303 * Part of a quota response
304 * See also: smb_quota_sid_xdr()
305 */
306typedef struct smb_quota_sid {
307	list_node_t qs_list_node;
308	char qs_sidstr[SMB_SID_STRSZ];
309} smb_quota_sid_t;
310
311typedef enum {
312	SMB_QUOTA_QUERY_INVALID_OP,
313	SMB_QUOTA_QUERY_SIDLIST,
314	SMB_QUOTA_QUERY_STARTSID,
315	SMB_QUOTA_QUERY_ALL
316} smb_quota_query_op_t;
317
318/*
319 * SMB (internal) form of a quota lookup
320 * See also: smb_quota_query_xdr()
321 */
322typedef struct smb_quota_query {
323	char *qq_root_path;
324	uint32_t qq_query_op;	/* smb_quota_query_op_t */
325	bool_t qq_single;
326	bool_t qq_restart;
327	uint32_t qq_max_quota;
328	list_t qq_sid_list;	/* list of smb_quota_sid_t */
329} smb_quota_query_t;
330
331/*
332 * The get quota response (list of quota records)
333 * See also: smb_quota_response_xdr()
334 */
335typedef struct smb_quota_response {
336	uint32_t qr_status;
337	list_t qr_quota_list;	/* list of smb_quota_t */
338} smb_quota_response_t;
339
340/*
341 * The set quota request (list of quota records)
342 * See also: smb_quota_set_xdr()
343 */
344typedef struct smb_quota_set {
345	char *qs_root_path;
346	list_t qs_quota_list;	/* list of smb_quota_t */
347} smb_quota_set_t;
348
349bool_t smb_quota_query_xdr(XDR *, smb_quota_query_t *);
350bool_t smb_quota_response_xdr(XDR *, smb_quota_response_t *);
351bool_t smb_quota_set_xdr(XDR *, smb_quota_set_t *);
352
353typedef struct dfs_referral_query {
354	dfs_reftype_t	rq_type;
355	char 		*rq_path;
356} dfs_referral_query_t;
357
358typedef struct dfs_referral_response {
359	dfs_info_t	rp_referrals;
360	uint32_t	rp_status;
361} dfs_referral_response_t;
362
363bool_t dfs_referral_query_xdr(XDR *, dfs_referral_query_t *);
364bool_t dfs_referral_response_xdr(XDR *, dfs_referral_response_t *);
365
366typedef struct smb_shr_hostaccess_query {
367	char		*shq_none;
368	char		*shq_ro;
369	char		*shq_rw;
370	uint32_t	shq_flag;
371	smb_inaddr_t	shq_ipaddr;
372} smb_shr_hostaccess_query_t;
373
374bool_t smb_shr_hostaccess_query_xdr(XDR *, smb_shr_hostaccess_query_t *);
375bool_t smb_shr_execinfo_xdr(XDR *, smb_shr_execinfo_t *);
376
377#ifdef	__cplusplus
378}
379#endif
380
381#endif	/* _SMBSRV_SMB_XDR_H */
382