mirror of
https://github.com/SELinuxProject/setools
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116 lines
4.5 KiB
C
116 lines
4.5 KiB
C
/**
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* @file
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* Defines the public interface for searching and iterating over fs_use statements.
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*
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* @author Kevin Carr kcarr@tresys.com
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* @author Jeremy A. Mowery jmowery@tresys.com
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* @author Jason Tang jtang@tresys.com
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*
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* Copyright (C) 2006-2007 Tresys Technology, LLC
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef QPOL_FS_USE_QUERY_H
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#define QPOL_FS_USE_QUERY_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <stddef.h>
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#include <stdint.h>
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#include <qpol/iterator.h>
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#include <qpol/policy.h>
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#include <qpol/context_query.h>
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typedef struct qpol_fs_use qpol_fs_use_t;
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/**
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* Get a fs_use statement by file system name.
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* @param policy The policy from which to get the fs_use statement.
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* @param name The name of the file system.
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* @param ocon Pointer in which to store the fs_use statement.
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* The caller should not free this pointer.
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* @return 0 on success and < 0 on failure; if the call fails,
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* errno will be set and *ocon will be NULL.
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*/
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extern int qpol_policy_get_fs_use_by_name(const qpol_policy_t * policy, const char *name, const qpol_fs_use_t ** ocon);
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/**
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* Get an iterator for the fs_use statements in a policy.
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* @param policy The policy from which to create the iterator.
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* @param iter Iterator over items of type qpol_fs_use_t returned.
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* The caller is responsible for calling qpol_iterator_destroy
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* to free memory used by this iterator.
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* It is important to note that this iterator is only valid as long
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* as the policy is unmodified.
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* @return 0 on success and < 0 on failure; if the call fails,
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* errno will be set and *iter will be NULL.
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*/
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extern int qpol_policy_get_fs_use_iter(const qpol_policy_t * policy, qpol_iterator_t ** iter);
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/**
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* Get the file system name from a fs_use statement.
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* @param policy The policy associated with the fs_use statement.
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* @param ocon The fs_use statement from which to get the name.
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* @param name Pointer to the string in which to store the name.
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* The caller should not free this string.
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* @return 0 on success and < 0 on failure; if the call fails,
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* errno will be set and *name will be NULL.
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*/
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extern int qpol_fs_use_get_name(const qpol_policy_t * policy, const qpol_fs_use_t * ocon, const char **name);
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/* The defines QPOL_FS_USE_XATTR through QPOL_FS_USE_NONE are
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* copied from sepol/policydb/services.h.
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* QPOL_FS_USE_PSID is an extension to support v12 policies. */
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#define QPOL_FS_USE_XATTR 1U
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#define QPOL_FS_USE_TRANS 2U
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#define QPOL_FS_USE_TASK 3U
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#define QPOL_FS_USE_GENFS 4U
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#define QPOL_FS_USE_NONE 5U
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#define QPOL_FS_USE_PSID 6U
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/**
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* Get the labeling behavior from a fs_use statement.
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* @param policy The policy associated with the fs_use statement.
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* @param ocon The fs_use statement from which to get the behavior.
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* @param behavior Pointer to be set to the value of the labeling behavior.
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* The value will be one of the QPOL_FS_USE_* values defined above.
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* @return 0 on success and < 0 on failure; if the call fails,
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* errno will be set and *behavior will be 0.
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*/
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extern int qpol_fs_use_get_behavior(const qpol_policy_t * policy, const qpol_fs_use_t * ocon, uint32_t * behavior);
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/**
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* Get the context from a fs_use statement.
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* @param policy The policy associated with the fs_use statement.
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* @param ocon The fs_use statement from which to get the context.
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* @param context Pointer in which to store the context.
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* The caller should not free this pointer.
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* @return 0 on success and < 0 on failure; if the call fails,
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* errno will be set and *context will be NULL. It is considered an
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* error to call this function if behavior is QPOL_FS_USE_PSID.
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*/
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extern int qpol_fs_use_get_context(const qpol_policy_t * policy, const qpol_fs_use_t * ocon,
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const qpol_context_t ** context);
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#ifdef __cplusplus
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}
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#endif
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#endif /* QPOL_FS_USE_QUERY_H */
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