xref: /freebsd/sys/contrib/openzfs/lib/libspl/include/libshare.h (revision c7046f76c2c027b00c0e6ba57cfd28f1a78f5e23)
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 https://opensource.org/licenses/CDDL-1.0.
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 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  * Copyright (c) 2019, 2022 by Delphix. All rights reserved.
26  */
27 #ifndef _LIBSPL_LIBSHARE_H
28 #define	_LIBSPL_LIBSHARE_H extern __attribute__((visibility("default")))
29 
30 #include <sys/types.h>
31 
32 /*
33  * defined error values
34  */
35 #define	SA_OK			0
36 #define	SA_SYSTEM_ERR		7	/* system error, use errno */
37 #define	SA_SYNTAX_ERR		8	/* syntax error on command line */
38 #define	SA_NO_MEMORY		2	/* no memory for data structures */
39 #define	SA_INVALID_PROTOCOL	13	/* specified protocol not valid */
40 #define	SA_NOT_SUPPORTED	21	/* operation not supported for proto */
41 
42 /* The following errors are never returned by libshare */
43 #define	SA_NO_SUCH_PATH		1	/* provided path doesn't exist */
44 #define	SA_DUPLICATE_NAME	3	/* object name is already in use */
45 #define	SA_BAD_PATH		4	/* not a full path */
46 #define	SA_NO_SUCH_GROUP	5	/* group is not defined */
47 #define	SA_CONFIG_ERR		6	/* system configuration error */
48 #define	SA_NO_PERMISSION	9	/* no permission for operation */
49 #define	SA_BUSY			10	/* resource is busy */
50 #define	SA_NO_SUCH_PROP		11	/* property doesn't exist */
51 #define	SA_INVALID_NAME		12	/* name of object is invalid */
52 #define	SA_NOT_ALLOWED		14	/* operation not allowed */
53 #define	SA_BAD_VALUE		15	/* bad value for property */
54 #define	SA_INVALID_SECURITY	16	/* invalid security type */
55 #define	SA_NO_SUCH_SECURITY	17	/* security set not found */
56 #define	SA_VALUE_CONFLICT	18	/* property value conflict */
57 #define	SA_NOT_IMPLEMENTED	19	/* plugin interface not implemented */
58 #define	SA_INVALID_PATH		20	/* path is sub-dir of existing share */
59 #define	SA_PROP_SHARE_ONLY	22	/* property valid on share only */
60 #define	SA_NOT_SHARED		23	/* path is not shared */
61 #define	SA_NO_SUCH_RESOURCE	24	/* resource not found */
62 #define	SA_RESOURCE_REQUIRED	25	/* resource name is required  */
63 #define	SA_MULTIPLE_ERROR	26	/* multiple protocols reported error */
64 #define	SA_PATH_IS_SUBDIR	27	/* check_path found path is subdir */
65 #define	SA_PATH_IS_PARENTDIR	28	/* check_path found path is parent */
66 #define	SA_NO_SECTION		29	/* protocol requires section info */
67 #define	SA_NO_SUCH_SECTION	30	/* no section found */
68 #define	SA_NO_PROPERTIES	31	/* no properties found */
69 #define	SA_PASSWORD_ENC		32	/* passwords must be encrypted */
70 #define	SA_SHARE_EXISTS		33	/* path or file is already shared */
71 
72 /* initialization */
73 _LIBSPL_LIBSHARE_H const char *sa_errorstr(int);
74 
75 /* available protocols */
76 enum sa_protocol {
77 	SA_PROTOCOL_NFS,
78 	SA_PROTOCOL_SMB, /* ABI: add before _COUNT */
79 	SA_PROTOCOL_COUNT,
80 };
81 
82 /* lower-case */
83 _LIBSPL_LIBSHARE_H const char *const sa_protocol_names[SA_PROTOCOL_COUNT];
84 
85 /* share control */
86 _LIBSPL_LIBSHARE_H int sa_enable_share(const char *, const char *, const char *,
87     enum sa_protocol);
88 _LIBSPL_LIBSHARE_H int sa_disable_share(const char *, enum sa_protocol);
89 _LIBSPL_LIBSHARE_H boolean_t sa_is_shared(const char *, enum sa_protocol);
90 _LIBSPL_LIBSHARE_H void sa_commit_shares(enum sa_protocol);
91 _LIBSPL_LIBSHARE_H void sa_truncate_shares(enum sa_protocol);
92 
93 /* protocol specific interfaces */
94 _LIBSPL_LIBSHARE_H int sa_validate_shareopts(const char *, enum sa_protocol);
95 
96 #endif /* _LIBSPL_LIBSHARE_H */
97