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 * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
25 * Copyright (c) 2016 by Delphix. All rights reserved.
26 */
27
28 #ifndef _SMB_SHARE_H
29 #define _SMB_SHARE_H
30
31 #include <sys/param.h>
32 #include <smbsrv/string.h>
33 #include <smbsrv/smb_inet.h>
34 #include <smbsrv/hash_table.h>
35 #include <smbsrv/wintypes.h>
36 #include <smb/lmerr.h>
37
38 #if !defined(_KERNEL) && !defined(_FAKE_KERNEL)
39 #include <libshare.h>
40 #endif
41
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45
46 #define SMB_CVOL "/var/smb/cvol"
47 #define SMB_SYSROOT SMB_CVOL "/windows"
48 #define SMB_SYSTEM32 SMB_SYSROOT "/system32"
49 #define SMB_VSS SMB_SYSTEM32 "/vss"
50
51 /* Exported named pipes are in... */
52 #define SMB_PIPE_DIR "/var/smb/pipe"
53
54 /*
55 * Share Properties:
56 *
57 * name Advertised name of the share
58 *
59 * ad-container Active directory container in which the share
60 * will be published
61 *
62 * abe Determines whether Access Based Enumeration is applied
63 * to a share
64 *
65 * csc Client-side caching (CSC) options applied to this share
66 * disabled The client MUST NOT cache any files
67 * manual The client should not automatically cache every file
68 * that it opens
69 * auto The client may cache every file that it opens
70 * vdo The client may cache every file that it opens
71 * and satisfy file requests from its local cache.
72 *
73 * catia CATIA character substitution
74 *
75 * guestok Determines whether guest access is allowed
76 *
77 * next three properties use access-list a al NFS
78 *
79 * ro list of hosts that will have read-only access
80 * rw list of hosts that will have read/write access
81 * none list of hosts that won't be allowed access
82 */
83 #define SHOPT_AD_CONTAINER "ad-container"
84 #define SHOPT_ABE "abe"
85 #define SHOPT_NAME "name"
86 #define SHOPT_CSC "csc"
87 #define SHOPT_CATIA "catia"
88 #define SHOPT_GUEST "guestok"
89 #define SHOPT_RO "ro"
90 #define SHOPT_RW "rw"
91 #define SHOPT_NONE "none"
92 #define SHOPT_DFSROOT "dfsroot"
93 #define SHOPT_DESCRIPTION "description"
94
95 #define SMB_DEFAULT_SHARE_GROUP "smb"
96 #define SMB_PROTOCOL_NAME "smb"
97
98 /*
99 * RAP protocol share related commands only understand
100 * share names in OEM format and there is a 13 char size
101 * limitation
102 */
103 #define SMB_SHARE_OEMNAME_MAX 13
104 #define SMB_SHARE_NTNAME_MAX 81
105 #define SMB_SHARE_CMNT_MAX (64 * MTS_MB_CHAR_MAX)
106
107 /*
108 * struct SHARE_INFO_1 {
109 * char shi1_netname[13]
110 * char shi1_pad;
111 * unsigned short shi1_type
112 * char *shi1_remark;
113 * }
114 */
115 #define SHARE_INFO_1_SIZE (SMB_SHARE_OEMNAME_MAX + 1 + 2 + 4)
116
117 /*
118 * Share flags:
119 *
120 * There are two types of flags:
121 *
122 * - flags that represent a share property
123 * - other flags set at runtime
124 *
125 * Property flags:
126 *
127 * SMB_SHRF_CSC_DISABLED Client-side caching is disabled for this share
128 * SMB_SHRF_CSC_MANUAL Manual client-side caching is allowed
129 * SMB_SHRF_CSC_AUTO Automatic client-side caching (CSC) is allowed
130 * SMB_SHRF_CSC_VDO Automatic CSC and local cache lookup is allowed
131 * SMB_SHRF_ACC_OPEN No restrictions set
132 * SMB_SHRF_ACC_NONE "none" property set
133 * SMB_SHRF_ACC_RO "ro" (readonly) property set
134 * SMB_SHRF_ACC_RW "rw" (read/write) property set
135 * SMB_SHRF_ACC_ALL All of the access bits
136 * SMB_SHRF_CATIA CATIA character translation on/off
137 * SMB_SHRF_GUEST_OK Guest access on/off
138 * SMB_SHRF_ABE Access Based Enumeration on/off
139 * SMB_SHRF_DFSROOT Share is a standalone DFS root
140 *
141 * Runtime flags:
142 *
143 * SMB_SHRF_TRANS Transient share
144 * SMB_SHRF_PERM Permanent share
145 * SMB_SHRF_AUTOHOME Autohome share.
146 * SMB_SHRF_ADMIN Admin share
147 *
148 * All autohome shares are transient but not all transient shares are autohome.
149 * IPC$ and drive letter shares (e.g. d$, e$, etc) are transient but
150 * not autohome.
151 */
152
153 /*
154 * Property flags
155 */
156 #define SMB_SHRF_DFSROOT 0x0001
157 #define SMB_SHRF_CATIA 0x0002
158 #define SMB_SHRF_GUEST_OK 0x0004
159 #define SMB_SHRF_ABE 0x0008
160
161 #define SMB_SHRF_CSC_DISABLED 0x0010
162 #define SMB_SHRF_CSC_MANUAL 0x0020
163 #define SMB_SHRF_CSC_AUTO 0x0040
164 #define SMB_SHRF_CSC_VDO 0x0080
165 #define SMB_SHRF_CSC_MASK 0x00F0
166
167 #define SMB_SHRF_ACC_OPEN 0x0000
168 #define SMB_SHRF_ACC_NONE 0x0100
169 #define SMB_SHRF_ACC_RO 0x0200
170 #define SMB_SHRF_ACC_RW 0x0400
171 #define SMB_SHRF_ACC_ALL 0x0F00
172
173 /*
174 * Runtime flags
175 */
176 #define SMB_SHRF_ADMIN 0x01000000
177 #define SMB_SHRF_TRANS 0x10000000
178 #define SMB_SHRF_PERM 0x20000000
179 #define SMB_SHRF_AUTOHOME 0x40000000
180
181 #define SMB_SHARE_PRINT "print$"
182 #define SMB_SHARE_PRINT_LEN 6
183 /*
184 * refcnt is currently only used for autohome. autohome needs a refcnt
185 * because a user can map their autohome share from more than one client
186 * at the same time and the share should only be removed when the last
187 * one is disconnected
188 */
189 typedef struct smb_share {
190 char shr_name[MAXNAMELEN];
191 char shr_path[MAXPATHLEN];
192 char shr_cmnt[SMB_SHARE_CMNT_MAX];
193 char shr_container[MAXPATHLEN];
194 uint32_t shr_flags;
195 uint32_t shr_type;
196 uint32_t shr_refcnt;
197 uint32_t shr_access_value; /* host return access value */
198 uid_t shr_uid; /* autohome only */
199 gid_t shr_gid; /* autohome only */
200 char shr_access_none[MAXPATHLEN];
201 char shr_access_ro[MAXPATHLEN];
202 char shr_access_rw[MAXPATHLEN];
203 } smb_share_t;
204
205 typedef struct smb_shriter {
206 smb_share_t si_share;
207 HT_ITERATOR si_hashiter;
208 boolean_t si_first;
209 } smb_shriter_t;
210
211 #define LMSHARES_PER_REQUEST 10
212 typedef struct smb_shrlist {
213 int sl_cnt;
214 smb_share_t sl_shares[LMSHARES_PER_REQUEST];
215 } smb_shrlist_t;
216
217 typedef struct smb_shr_execinfo {
218 char *e_sharename;
219 char *e_winname;
220 char *e_userdom;
221 smb_inaddr_t e_srv_ipaddr;
222 smb_inaddr_t e_cli_ipaddr;
223 char *e_cli_netbiosname;
224 uid_t e_uid;
225 int e_type;
226 } smb_shr_execinfo_t;
227
228 /*
229 * LanMan share API (for both SMB kernel module and GUI/CLI sub-system)
230 *
231 * NOTE: If any error is encounted by either the door server or client,
232 * NERR_InternalError will be returned by most functions, smb_share_count
233 * will return -1.
234 */
235
236 #if !defined(_KERNEL) && !defined(_FAKE_KERNEL)
237
238 /*
239 * CIFS share management functions exported by libmlsvc
240 */
241 int smb_shr_start(void);
242 void smb_shr_stop(void);
243 void *smb_shr_load(void *);
244 void smb_shr_iterinit(smb_shriter_t *);
245 smb_share_t *smb_shr_iterate(smb_shriter_t *);
246 void smb_shr_list(int, smb_shrlist_t *);
247 int smb_shr_count(void);
248 uint32_t smb_shr_add(smb_share_t *);
249 uint32_t smb_shr_remove(char *);
250 uint32_t smb_shr_rename(char *, char *);
251 uint32_t smb_shr_get(char *, smb_share_t *);
252 uint32_t smb_shr_modify(smb_share_t *);
253 uint32_t smb_shr_get_realpath(const char *, char *, int);
254 uint32_t smb_shr_hostaccess(smb_inaddr_t *, char *, char *, char *, uint32_t);
255 int smb_shr_exec(smb_shr_execinfo_t *);
256
257 boolean_t smb_shr_exists(char *);
258 int smb_shr_is_special(char *);
259 boolean_t smb_shr_is_restricted(char *);
260 boolean_t smb_shr_is_admin(char *);
261 char smb_shr_drive_letter(const char *);
262
263 sa_handle_t smb_shr_sa_enter(void);
264 void smb_shr_sa_exit(void);
265 void smb_shr_sa_csc_option(const char *, smb_share_t *);
266 char *smb_shr_sa_csc_name(const smb_share_t *);
267 void smb_shr_sa_setflag(const char *, smb_share_t *, uint32_t);
268
269 /*
270 * CIFS share management API exported for other processes
271 */
272 uint32_t smb_share_list(int, smb_shrlist_t *);
273 int smb_share_count(void);
274 uint32_t smb_share_delete(char *);
275 uint32_t smb_share_rename(char *, char *);
276 uint32_t smb_share_create(smb_share_t *);
277 uint32_t smb_share_modify(smb_share_t *);
278
279 #endif /* _KERNEL */
280
281 #ifdef __cplusplus
282 }
283 #endif
284
285 #endif /* _SMB_SHARE_H */