xref: /freebsd/sys/contrib/openzfs/lib/libspl/include/libshare.h (revision 61145dc2b94f12f6a47344fb9aac702321880e43)
1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3  * CDDL HEADER START
4  *
5  * The contents of this file are subject to the terms of the
6  * Common Development and Distribution License (the "License").
7  * You may not use this file except in compliance with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or https://opensource.org/licenses/CDDL-1.0.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 
23 /*
24  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
25  * Use is subject to license terms.
26  * Copyright (c) 2019, 2022 by Delphix. All rights reserved.
27  */
28 #ifndef _LIBSPL_LIBSHARE_H
29 #define	_LIBSPL_LIBSHARE_H extern __attribute__((visibility("default")))
30 
31 #include <sys/types.h>
32 
33 /*
34  * defined error values
35  */
36 #define	SA_OK			0
37 #define	SA_SYSTEM_ERR		7	/* system error, use errno */
38 #define	SA_SYNTAX_ERR		8	/* syntax error on command line */
39 #define	SA_NO_MEMORY		2	/* no memory for data structures */
40 #define	SA_INVALID_PROTOCOL	13	/* specified protocol not valid */
41 #define	SA_NOT_SUPPORTED	21	/* operation not supported for proto */
42 
43 /* The following errors are never returned by libshare */
44 #define	SA_NO_SUCH_PATH		1	/* provided path doesn't exist */
45 #define	SA_DUPLICATE_NAME	3	/* object name is already in use */
46 #define	SA_BAD_PATH		4	/* not a full path */
47 #define	SA_NO_SUCH_GROUP	5	/* group is not defined */
48 #define	SA_CONFIG_ERR		6	/* system configuration error */
49 #define	SA_NO_PERMISSION	9	/* no permission for operation */
50 #define	SA_BUSY			10	/* resource is busy */
51 #define	SA_NO_SUCH_PROP		11	/* property doesn't exist */
52 #define	SA_INVALID_NAME		12	/* name of object is invalid */
53 #define	SA_NOT_ALLOWED		14	/* operation not allowed */
54 #define	SA_BAD_VALUE		15	/* bad value for property */
55 #define	SA_INVALID_SECURITY	16	/* invalid security type */
56 #define	SA_NO_SUCH_SECURITY	17	/* security set not found */
57 #define	SA_VALUE_CONFLICT	18	/* property value conflict */
58 #define	SA_NOT_IMPLEMENTED	19	/* plugin interface not implemented */
59 #define	SA_INVALID_PATH		20	/* path is sub-dir of existing share */
60 #define	SA_PROP_SHARE_ONLY	22	/* property valid on share only */
61 #define	SA_NOT_SHARED		23	/* path is not shared */
62 #define	SA_NO_SUCH_RESOURCE	24	/* resource not found */
63 #define	SA_RESOURCE_REQUIRED	25	/* resource name is required  */
64 #define	SA_MULTIPLE_ERROR	26	/* multiple protocols reported error */
65 #define	SA_PATH_IS_SUBDIR	27	/* check_path found path is subdir */
66 #define	SA_PATH_IS_PARENTDIR	28	/* check_path found path is parent */
67 #define	SA_NO_SECTION		29	/* protocol requires section info */
68 #define	SA_NO_SUCH_SECTION	30	/* no section found */
69 #define	SA_NO_PROPERTIES	31	/* no properties found */
70 #define	SA_PASSWORD_ENC		32	/* passwords must be encrypted */
71 #define	SA_SHARE_EXISTS		33	/* path or file is already shared */
72 
73 /* initialization */
74 _LIBSPL_LIBSHARE_H const char *sa_errorstr(int);
75 
76 /* available protocols */
77 enum sa_protocol {
78 	SA_PROTOCOL_NFS,
79 	SA_PROTOCOL_SMB, /* ABI: add before _COUNT */
80 	SA_PROTOCOL_COUNT,
81 };
82 
83 /* lower-case */
84 _LIBSPL_LIBSHARE_H const char *const sa_protocol_names[SA_PROTOCOL_COUNT];
85 
86 /* share control */
87 _LIBSPL_LIBSHARE_H int sa_enable_share(const char *, const char *, const char *,
88     enum sa_protocol);
89 _LIBSPL_LIBSHARE_H int sa_disable_share(const char *, enum sa_protocol);
90 _LIBSPL_LIBSHARE_H boolean_t sa_is_shared(const char *, enum sa_protocol);
91 _LIBSPL_LIBSHARE_H void sa_commit_shares(enum sa_protocol);
92 _LIBSPL_LIBSHARE_H void sa_truncate_shares(enum sa_protocol);
93 
94 /* protocol specific interfaces */
95 _LIBSPL_LIBSHARE_H int sa_validate_shareopts(const char *, enum sa_protocol);
96 
97 #endif /* _LIBSPL_LIBSHARE_H */
98