xref: /titanic_41/usr/src/uts/common/smbsrv/smb_share.h (revision 2c2d21e98a95cba5687ec6574c974a5c6c4a6adb)
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 /*
23  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 #ifndef _SMB_SHARE_H
27 #define	_SMB_SHARE_H
28 
29 #include <sys/param.h>
30 #include <smbsrv/string.h>
31 #include <smbsrv/smb_inet.h>
32 #include <smbsrv/hash_table.h>
33 #include <smbsrv/wintypes.h>
34 #include <smb/lmerr.h>
35 
36 #ifndef _KERNEL
37 #include <libshare.h>
38 #endif
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 #define	SMB_CVOL		"/var/smb/cvol"
45 #define	SMB_SYSROOT		SMB_CVOL "/windows"
46 #define	SMB_SYSTEM32		SMB_SYSROOT "/system32"
47 #define	SMB_VSS			SMB_SYSTEM32 "/vss"
48 
49 /*
50  * Share Properties:
51  *
52  * name			Advertised name of the share
53  *
54  * ad-container		Active directory container in which the share
55  * 			will be published
56  *
57  * abe			Determines whether Access Based Enumeration is applied
58  *			to a share
59  *
60  * csc			Client-side caching (CSC) options applied to this share
61  * 	disabled	The client MUST NOT cache any files
62  * 	manual		The client should not automatically cache every file
63  * 			that it	opens
64  * 	auto		The client may cache every file that it opens
65  * 	vdo		The client may cache every file that it opens
66  *			and satisfy file requests from its local cache.
67  *
68  * catia		CATIA character substitution
69  *
70  * guestok		Determines whether guest access is allowed
71  *
72  * next three properties use access-list a al NFS
73  *
74  * ro			list of hosts that will have read-only access
75  * rw			list of hosts that will have read/write access
76  * none			list of hosts that won't be allowed access
77  */
78 #define	SHOPT_AD_CONTAINER	"ad-container"
79 #define	SHOPT_ABE		"abe"
80 #define	SHOPT_NAME		"name"
81 #define	SHOPT_CSC		"csc"
82 #define	SHOPT_CATIA		"catia"
83 #define	SHOPT_GUEST		"guestok"
84 #define	SHOPT_RO		"ro"
85 #define	SHOPT_RW		"rw"
86 #define	SHOPT_NONE		"none"
87 #define	SHOPT_DFSROOT		"dfsroot"
88 #define	SHOPT_DESCRIPTION	"description"
89 
90 #define	SMB_DEFAULT_SHARE_GROUP	"smb"
91 #define	SMB_PROTOCOL_NAME	"smb"
92 
93 /*
94  * RAP protocol share related commands only understand
95  * share names in OEM format and there is a 13 char size
96  * limitation
97  */
98 #define	SMB_SHARE_OEMNAME_MAX		13
99 #define	SMB_SHARE_NTNAME_MAX		81
100 #define	SMB_SHARE_CMNT_MAX		(64 * MTS_MB_CHAR_MAX)
101 
102 /*
103  *	struct SHARE_INFO_1 {
104  *		char		shi1_netname[13]
105  *		char		shi1_pad;
106  *		unsigned short	shi1_type
107  *		char		*shi1_remark;
108  *	}
109  */
110 #define	SHARE_INFO_1_SIZE	(SMB_SHARE_OEMNAME_MAX + 1 + 2 + 4)
111 
112 /*
113  * Share flags:
114  *
115  * There are two types of flags:
116  *
117  *   - flags that represent a share property
118  *   - other flags set at runtime
119  *
120  * Property flags:
121  *
122  * SMB_SHRF_CSC_DISABLED	Client-side caching is disabled for this share
123  * SMB_SHRF_CSC_MANUAL	Manual client-side caching is allowed
124  * SMB_SHRF_CSC_AUTO	Automatic client-side caching (CSC) is allowed
125  * SMB_SHRF_CSC_VDO	Automatic CSC and local cache lookup is allowed
126  * SMB_SHRF_ACC_OPEN	No restrictions set
127  * SMB_SHRF_ACC_NONE	"none" property set
128  * SMB_SHRF_ACC_RO	"ro" (readonly) property set
129  * SMB_SHRF_ACC_RW	"rw" (read/write) property set
130  * SMB_SHRF_ACC_ALL	All of the access bits
131  * SMB_SHRF_CATIA	CATIA character translation on/off
132  * SMB_SHRF_GUEST_OK	Guest access on/off
133  * SMB_SHRF_ABE		Access Based Enumeration on/off
134  * SMB_SHRF_DFSROOT	Share is a standalone DFS root
135  *
136  * Runtime flags:
137  *
138  * SMB_SHRF_TRANS	Transient share
139  * SMB_SHRF_PERM	Permanent share
140  * SMB_SHRF_AUTOHOME	Autohome share.
141  * SMB_SHRF_ADMIN	Admin share
142  *
143  * All autohome shares are transient but not all transient shares are autohome.
144  * IPC$ and drive letter shares (e.g. d$, e$, etc) are transient but
145  * not autohome.
146  */
147 
148 /*
149  * Property flags
150  */
151 #define	SMB_SHRF_DFSROOT	0x0001
152 #define	SMB_SHRF_CATIA		0x0002
153 #define	SMB_SHRF_GUEST_OK	0x0004
154 #define	SMB_SHRF_ABE		0x0008
155 
156 #define	SMB_SHRF_CSC_DISABLED	0x0010
157 #define	SMB_SHRF_CSC_MANUAL	0x0020
158 #define	SMB_SHRF_CSC_AUTO	0x0040
159 #define	SMB_SHRF_CSC_VDO	0x0080
160 #define	SMB_SHRF_CSC_MASK	0x00F0
161 
162 #define	SMB_SHRF_ACC_OPEN	0x0000
163 #define	SMB_SHRF_ACC_NONE	0x0100
164 #define	SMB_SHRF_ACC_RO		0x0200
165 #define	SMB_SHRF_ACC_RW		0x0400
166 #define	SMB_SHRF_ACC_ALL	0x0F00
167 
168 /*
169  * Runtime flags
170  */
171 #define	SMB_SHRF_ADMIN		0x01000000
172 #define	SMB_SHRF_TRANS		0x10000000
173 #define	SMB_SHRF_PERM		0x20000000
174 #define	SMB_SHRF_AUTOHOME	0x40000000
175 
176 #define	SMB_SHARE_PRINT		"print$"
177 #define	SMB_SHARE_PRINT_LEN	6
178 /*
179  * refcnt is currently only used for autohome.  autohome needs a refcnt
180  * because a user can map his autohome share from more than one client
181  * at the same time and the share should only be removed when the last
182  * one is disconnected
183  */
184 typedef struct smb_share {
185 	char		shr_name[MAXNAMELEN];
186 	char		shr_path[MAXPATHLEN];
187 	char		shr_cmnt[SMB_SHARE_CMNT_MAX];
188 	char		shr_container[MAXPATHLEN];
189 	uint32_t	shr_flags;
190 	uint32_t	shr_type;
191 	uint32_t	shr_refcnt;
192 	uint32_t	shr_access_value;	/* host return access value */
193 	uid_t		shr_uid;		/* autohome only */
194 	gid_t		shr_gid;		/* autohome only */
195 	char		shr_access_none[MAXPATHLEN];
196 	char		shr_access_ro[MAXPATHLEN];
197 	char		shr_access_rw[MAXPATHLEN];
198 } smb_share_t;
199 
200 typedef struct smb_shriter {
201 	smb_share_t	si_share;
202 	HT_ITERATOR	si_hashiter;
203 	boolean_t	si_first;
204 } smb_shriter_t;
205 
206 #define	LMSHARES_PER_REQUEST  10
207 typedef struct smb_shrlist {
208 	int		sl_cnt;
209 	smb_share_t	sl_shares[LMSHARES_PER_REQUEST];
210 } smb_shrlist_t;
211 
212 typedef struct smb_shr_execinfo {
213 	char		*e_sharename;
214 	char		*e_winname;
215 	char		*e_userdom;
216 	smb_inaddr_t	e_srv_ipaddr;
217 	smb_inaddr_t	e_cli_ipaddr;
218 	char		*e_cli_netbiosname;
219 	uid_t		e_uid;
220 	int		e_type;
221 } smb_shr_execinfo_t;
222 
223 /*
224  * LanMan share API (for both SMB kernel module and GUI/CLI sub-system)
225  *
226  * NOTE: If any error is encounted by either the door server or client,
227  * NERR_InternalError will be returned by most functions, smb_share_count
228  * will return -1.
229  */
230 
231 #ifndef _KERNEL
232 
233 /*
234  * CIFS share management functions exported by libmlsvc
235  */
236 int smb_shr_start(void);
237 void smb_shr_stop(void);
238 void *smb_shr_load(void *);
239 void smb_shr_iterinit(smb_shriter_t *);
240 smb_share_t *smb_shr_iterate(smb_shriter_t *);
241 void smb_shr_list(int, smb_shrlist_t *);
242 int smb_shr_count(void);
243 uint32_t smb_shr_add(smb_share_t *);
244 uint32_t smb_shr_remove(char *);
245 uint32_t smb_shr_rename(char *, char *);
246 uint32_t smb_shr_get(char *, smb_share_t *);
247 uint32_t smb_shr_modify(smb_share_t *);
248 uint32_t smb_shr_get_realpath(const char *, char *, int);
249 uint32_t smb_shr_hostaccess(smb_inaddr_t *, char *, char *, char *, uint32_t);
250 int smb_shr_exec(smb_shr_execinfo_t *);
251 
252 boolean_t smb_shr_exists(char *);
253 int smb_shr_is_special(char *);
254 boolean_t smb_shr_is_restricted(char *);
255 boolean_t smb_shr_is_admin(char *);
256 char smb_shr_drive_letter(const char *);
257 
258 sa_handle_t smb_shr_sa_enter(void);
259 void smb_shr_sa_exit(void);
260 void smb_shr_sa_csc_option(const char *, smb_share_t *);
261 char *smb_shr_sa_csc_name(const smb_share_t *);
262 void smb_shr_sa_setflag(const char *, smb_share_t *, uint32_t);
263 
264 /*
265  * CIFS share management API exported for other processes
266  */
267 uint32_t smb_share_list(int, smb_shrlist_t *);
268 int smb_share_count(void);
269 uint32_t smb_share_delete(char *);
270 uint32_t smb_share_rename(char *, char *);
271 uint32_t smb_share_create(smb_share_t *);
272 uint32_t smb_share_modify(smb_share_t *);
273 
274 #endif
275 
276 #ifdef __cplusplus
277 }
278 #endif
279 
280 #endif /* _SMB_SHARE_H */
281