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libshare: fold into libzfs and reorg headers a little

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libzfs is the only user of libshare, and only internally, so there's no
particular reason to build it separately, nor to export its symbols. So,
pull it into libzfs proper, remove its "public" header, and hide its
symbols.

The bare minimum "public" API is just to count and enumerate the
supported share types. These are moved to libzfs.h with the other share
API.

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #18072
This commit is contained in:
Rob Norris
2025-12-20 14:52:33 +11:00
committed by GitHub
parent 962e68865e
commit 0d44b58d7f
20 changed files with 337 additions and 449 deletions
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lib/libspl/include/Makefile.am
-1
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@@ -3,7 +3,6 @@ libspl_HEADERS = \
%D%/assert.h \
%D%/atomic.h \
%D%/libgen.h \
%D%/libshare.h \
%D%/libspl.h \
%D%/statcommon.h \
%D%/stdlib.h \
lib/libspl/include/libshare.h
-97
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@@ -1,97 +0,0 @@
// SPDX-License-Identifier: CDDL-1.0
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or https://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
* Copyright (c) 2019, 2022 by Delphix. All rights reserved.
*/
#ifndef _LIBSPL_LIBSHARE_H
#define _LIBSPL_LIBSHARE_H extern __attribute__((visibility("default")))
#include <sys/types.h>
/*
* defined error values
*/
#define SA_OK 0
#define SA_SYSTEM_ERR 7 /* system error, use errno */
#define SA_SYNTAX_ERR 8 /* syntax error on command line */
#define SA_NO_MEMORY 2 /* no memory for data structures */
#define SA_INVALID_PROTOCOL 13 /* specified protocol not valid */
#define SA_NOT_SUPPORTED 21 /* operation not supported for proto */
/* The following errors are never returned by libshare */
#define SA_NO_SUCH_PATH 1 /* provided path doesn't exist */
#define SA_DUPLICATE_NAME 3 /* object name is already in use */
#define SA_BAD_PATH 4 /* not a full path */
#define SA_NO_SUCH_GROUP 5 /* group is not defined */
#define SA_CONFIG_ERR 6 /* system configuration error */
#define SA_NO_PERMISSION 9 /* no permission for operation */
#define SA_BUSY 10 /* resource is busy */
#define SA_NO_SUCH_PROP 11 /* property doesn't exist */
#define SA_INVALID_NAME 12 /* name of object is invalid */
#define SA_NOT_ALLOWED 14 /* operation not allowed */
#define SA_BAD_VALUE 15 /* bad value for property */
#define SA_INVALID_SECURITY 16 /* invalid security type */
#define SA_NO_SUCH_SECURITY 17 /* security set not found */
#define SA_VALUE_CONFLICT 18 /* property value conflict */
#define SA_NOT_IMPLEMENTED 19 /* plugin interface not implemented */
#define SA_INVALID_PATH 20 /* path is sub-dir of existing share */
#define SA_PROP_SHARE_ONLY 22 /* property valid on share only */
#define SA_NOT_SHARED 23 /* path is not shared */
#define SA_NO_SUCH_RESOURCE 24 /* resource not found */
#define SA_RESOURCE_REQUIRED 25 /* resource name is required */
#define SA_MULTIPLE_ERROR 26 /* multiple protocols reported error */
#define SA_PATH_IS_SUBDIR 27 /* check_path found path is subdir */
#define SA_PATH_IS_PARENTDIR 28 /* check_path found path is parent */
#define SA_NO_SECTION 29 /* protocol requires section info */
#define SA_NO_SUCH_SECTION 30 /* no section found */
#define SA_NO_PROPERTIES 31 /* no properties found */
#define SA_PASSWORD_ENC 32 /* passwords must be encrypted */
#define SA_SHARE_EXISTS 33 /* path or file is already shared */
/* initialization */
_LIBSPL_LIBSHARE_H const char *sa_errorstr(int);
/* available protocols */
enum sa_protocol {
SA_PROTOCOL_NFS,
SA_PROTOCOL_SMB, /* ABI: add before _COUNT */
SA_PROTOCOL_COUNT,
};
/* lower-case */
_LIBSPL_LIBSHARE_H const char *const sa_protocol_names[SA_PROTOCOL_COUNT];
/* share control */
_LIBSPL_LIBSHARE_H int sa_enable_share(const char *, const char *, const char *,
enum sa_protocol);
_LIBSPL_LIBSHARE_H int sa_disable_share(const char *, enum sa_protocol);
_LIBSPL_LIBSHARE_H boolean_t sa_is_shared(const char *, enum sa_protocol);
_LIBSPL_LIBSHARE_H void sa_commit_shares(enum sa_protocol);
_LIBSPL_LIBSHARE_H void sa_truncate_shares(enum sa_protocol);
/* protocol specific interfaces */
_LIBSPL_LIBSHARE_H int sa_validate_shareopts(const char *, enum sa_protocol);
#endif /* _LIBSPL_LIBSHARE_H */