xref: /illumos-gate/usr/src/uts/common/smbsrv/smb_xdr.h (revision 002c14a113236969185bd1db508bf126971502be)
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
30 extern "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  */
59 typedef struct smb_string {
60 	char *buf;
61 } smb_string_t;
62 
63 struct smb_buf32;
64 
65 /*
66  * Initial message on server named pipes.
67  * Followed by smb_netuserinfo
68  */
69 typedef 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  */
111 typedef 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  */
128 typedef struct smb_netuserinfo {
129 	uint64_t	ui_session_id;
130 	uint16_t	ui_smb_uid;
131 	uint16_t	ui_domain_len;
132 	char		*ui_domain;
133 	uint16_t	ui_account_len;
134 	char		*ui_account;
135 	uid_t		ui_posix_uid;
136 	uint16_t	ui_workstation_len;
137 	char		*ui_workstation;
138 	smb_inaddr_t	ui_ipaddr;
139 	int32_t		ui_native_os;
140 	int64_t		ui_logon_time;
141 	uint32_t	ui_numopens;
142 	uint32_t	ui_flags;
143 } smb_netuserinfo_t;
144 
145 typedef struct smb_opennum {
146 	uint32_t	open_users;
147 	uint32_t	open_trees;
148 	uint32_t	open_files;
149 	uint32_t	qualtype;
150 	char		qualifier[MAXNAMELEN];
151 } smb_opennum_t;
152 
153 /*
154  * SMB (internal) representation of a tree connection (etc.)
155  * See also: smb_netconnectinfo_xdr()
156  */
157 typedef struct smb_netconnectinfo {
158 	uint32_t	ci_id;
159 	uint32_t	ci_type;
160 	uint32_t	ci_numopens;
161 	uint32_t	ci_numusers;
162 	uint32_t	ci_time;
163 	uint32_t	ci_namelen;
164 	uint32_t	ci_sharelen;
165 	char		*ci_username;
166 	char		*ci_share;
167 } smb_netconnectinfo_t;
168 
169 /*
170  * SMB (internal) representation of an open file.
171  * See also: smb_netfileinfo_xdr()
172  */
173 typedef struct smb_netfileinfo {
174 	uint16_t	fi_fid;
175 	uint32_t	fi_uniqid;
176 	uint32_t	fi_permissions;
177 	uint32_t	fi_numlocks;
178 	uint32_t	fi_pathlen;
179 	uint32_t	fi_namelen;
180 	char		*fi_path;
181 	char		*fi_username;
182 } smb_netfileinfo_t;
183 
184 typedef struct smb_netsvcitem {
185 	list_node_t	nsi_lnd;
186 	union {
187 		smb_netuserinfo_t	nsi_user;
188 		smb_netconnectinfo_t	nsi_tree;
189 		smb_netfileinfo_t	nsi_ofile;
190 	} nsi_un;
191 } smb_netsvcitem_t;
192 
193 typedef struct smb_netsvc {
194 	list_t			ns_list;
195 	smb_netsvcitem_t	*ns_items;
196 	smb_ioc_svcenum_t	*ns_ioc;
197 	uint32_t		ns_ioclen;
198 } smb_netsvc_t;
199 
200 
201 bool_t smb_buf32_xdr(XDR *, struct smb_buf32 *);
202 bool_t smb_string_xdr(XDR *, smb_string_t *);
203 bool_t smb_inaddr_xdr(XDR *, smb_inaddr_t *);
204 
205 const char *smb_doorhdr_opname(uint32_t);
206 int smb_doorhdr_encode(smb_doorhdr_t *, uint8_t *, uint32_t);
207 int smb_doorhdr_decode(smb_doorhdr_t *, uint8_t *, uint32_t);
208 bool_t smb_doorhdr_xdr(XDR *xdrs, smb_doorhdr_t *objp);
209 int smb_netuserinfo_encode(smb_netuserinfo_t *, uint8_t *, uint32_t, uint_t *);
210 int smb_netuserinfo_decode(smb_netuserinfo_t *, uint8_t *, uint32_t, uint_t *);
211 bool_t smb_netuserinfo_xdr(XDR *, smb_netuserinfo_t *);
212 int smb_netconnectinfo_encode(smb_netconnectinfo_t *, uint8_t *, uint32_t,
213     uint_t *);
214 int smb_netconnectinfo_decode(smb_netconnectinfo_t *, uint8_t *, uint32_t,
215     uint_t *);
216 bool_t smb_netconnectinfo_xdr(XDR *, smb_netconnectinfo_t *);
217 int smb_netfileinfo_encode(smb_netfileinfo_t *, uint8_t *, uint32_t, uint_t *);
218 int smb_netfileinfo_decode(smb_netfileinfo_t *, uint8_t *, uint32_t, uint_t *);
219 bool_t smb_netfileinfo_xdr(XDR *, smb_netfileinfo_t *);
220 
221 typedef uint16_t sid_type_t;
222 
223 typedef struct lsa_account {
224 	ntstatus_t	a_status;
225 	sid_type_t	a_sidtype;
226 	char		a_domain[MAXNAMELEN];
227 	char		a_name[MAXNAMELEN];
228 	char		a_sid[SMB_SID_STRSZ];
229 } lsa_account_t;
230 
231 int lsa_account_encode(lsa_account_t *, uint8_t *, uint32_t);
232 int lsa_account_decode(lsa_account_t *, uint8_t *, uint32_t);
233 bool_t lsa_account_xdr(XDR *, lsa_account_t *);
234 
235 /*
236  * VSS Door Structures
237  */
238 #define	SMB_VSS_GMT_SIZE sizeof ("@GMT-yyyy.mm.dd-hh.mm.ss")
239 
240 /*
241  * Args for enumerating "previous versions".
242  * See also: smb_gmttoken_query_xdr()
243  */
244 typedef struct smb_gmttoken_query {
245 	uint32_t	gtq_count;
246 	char		*gtq_path;
247 } smb_gmttoken_query_t;
248 
249 /*
250  * Part of response for enumerating "previous versions".
251  * See also: smb_gmttoken_xdr()
252  */
253 typedef char *smb_gmttoken_t;
254 
255 /*
256  * Response for enumerating "previous versions".
257  * See also: smb_gmttoken_response_xdr()
258  */
259 typedef struct smb_gmttoken_response {
260 	uint32_t gtr_count;
261 	struct {
262 		uint_t		gtr_gmttokens_len;
263 		smb_gmttoken_t	*gtr_gmttokens_val;
264 	} gtr_gmttokens;
265 } smb_gmttoken_response_t;
266 
267 /*
268  * Args to lookup "previous versions" during open.
269  * See also: smb_gmttoken_snapname_xdr()
270  */
271 typedef struct smb_gmttoken_snapname {
272 	char	*gts_path;
273 	char	*gts_gmttoken;
274 	uint64_t gts_toktime; /* seconds */
275 } smb_gmttoken_snapname_t;
276 
277 bool_t smb_gmttoken_query_xdr(XDR *, smb_gmttoken_query_t *);
278 bool_t smb_gmttoken_response_xdr(XDR *, smb_gmttoken_response_t *);
279 bool_t smb_gmttoken_snapname_xdr(XDR *, smb_gmttoken_snapname_t *);
280 
281 /*
282  * User and Group Quotas
283  *
284  * SMB User and Group quota values of SMB_QUOTA_UNLIMITED mean
285  * No Limit. This maps to 0 (none) on ZFS.
286  */
287 #define	SMB_QUOTA_UNLIMITED		0xFFFFFFFFFFFFFFFF
288 
289 /*
290  * SMB (internal) representation of a quota response
291  * See also: smb_quota_xdr()
292  */
293 typedef struct smb_quota {
294 	list_node_t q_list_node;
295 	char q_sidstr[SMB_SID_STRSZ];
296 	uint32_t q_sidtype;
297 	uint64_t q_used;
298 	uint64_t q_thresh;
299 	uint64_t q_limit;
300 	avl_node_t q_avl_node;
301 } smb_quota_t;
302 
303 /*
304  * Part of a quota response
305  * See also: smb_quota_sid_xdr()
306  */
307 typedef struct smb_quota_sid {
308 	list_node_t qs_list_node;
309 	char qs_sidstr[SMB_SID_STRSZ];
310 } smb_quota_sid_t;
311 
312 typedef enum {
313 	SMB_QUOTA_QUERY_INVALID_OP,
314 	SMB_QUOTA_QUERY_SIDLIST,
315 	SMB_QUOTA_QUERY_STARTSID,
316 	SMB_QUOTA_QUERY_ALL
317 } smb_quota_query_op_t;
318 
319 /*
320  * SMB (internal) form of a quota lookup
321  * See also: smb_quota_query_xdr()
322  */
323 typedef struct smb_quota_query {
324 	char *qq_root_path;
325 	uint32_t qq_query_op;	/* smb_quota_query_op_t */
326 	bool_t qq_single;
327 	bool_t qq_restart;
328 	uint32_t qq_max_quota;
329 	list_t qq_sid_list;	/* list of smb_quota_sid_t */
330 } smb_quota_query_t;
331 
332 /*
333  * The get quota response (list of quota records)
334  * See also: smb_quota_response_xdr()
335  */
336 typedef struct smb_quota_response {
337 	uint32_t qr_status;
338 	list_t qr_quota_list;	/* list of smb_quota_t */
339 } smb_quota_response_t;
340 
341 /*
342  * The set quota request (list of quota records)
343  * See also: smb_quota_set_xdr()
344  */
345 typedef struct smb_quota_set {
346 	char *qs_root_path;
347 	list_t qs_quota_list;	/* list of smb_quota_t */
348 } smb_quota_set_t;
349 
350 bool_t smb_quota_query_xdr(XDR *, smb_quota_query_t *);
351 bool_t smb_quota_response_xdr(XDR *, smb_quota_response_t *);
352 bool_t smb_quota_set_xdr(XDR *, smb_quota_set_t *);
353 
354 typedef struct dfs_referral_query {
355 	dfs_reftype_t	rq_type;
356 	char 		*rq_path;
357 } dfs_referral_query_t;
358 
359 typedef struct dfs_referral_response {
360 	dfs_info_t	rp_referrals;
361 	uint32_t	rp_status;
362 } dfs_referral_response_t;
363 
364 bool_t dfs_referral_query_xdr(XDR *, dfs_referral_query_t *);
365 bool_t dfs_referral_response_xdr(XDR *, dfs_referral_response_t *);
366 
367 typedef struct smb_shr_hostaccess_query {
368 	char		*shq_none;
369 	char		*shq_ro;
370 	char		*shq_rw;
371 	uint32_t	shq_flag;
372 	smb_inaddr_t	shq_ipaddr;
373 } smb_shr_hostaccess_query_t;
374 
375 bool_t smb_shr_hostaccess_query_xdr(XDR *, smb_shr_hostaccess_query_t *);
376 bool_t smb_shr_execinfo_xdr(XDR *, smb_shr_execinfo_t *);
377 
378 #ifdef	__cplusplus
379 }
380 #endif
381 
382 #endif	/* _SMBSRV_SMB_XDR_H */
383