1 files changed, 104 insertions, 0 deletions
diff --git a/libqpol/include/qpol/mlsrule_query.h b/libqpol/include/qpol/mlsrule_query.h
new file mode 100644
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+++ b/libqpol/include/qpol/mlsrule_query.h
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+/**
+ *  @file
+ *  Defines the public interface for searching and iterating over
+ *  range transition rules.
+ *
+ *  @author Kevin Carr kcarr@tresys.com
+ *  @author Jeremy A. Mowery jmowery@tresys.com
+ *  @author Jason Tang jtang@tresys.com
+ *
+ *  Copyright (C) 2006-2007 Tresys Technology, LLC
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef QPOL_MLSRULE_QUERY_H
+#define QPOL_MLSRULE_QUERY_H
+
+#ifdef	__cplusplus
+extern "C"
+{
+#endif
+
+#include <qpol/policy.h>
+
+	typedef struct qpol_range_trans qpol_range_trans_t;
+
+/**
+ *  Get an iterator over all range transition rules in a policy.
+ *  @param policy Policy from which to get the range transitions.
+ *  @param iter Iterator over items of type qpol_range_trans_t returned.
+ *  The caller is responsible for calling qpol_iterator_destroy()
+ *  to free memory used by this iterator.
+ *  It is important to note that this iterator is only valid as long as
+ *  the policy is unmodifed.
+ *  @returm 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *iter will be NULL.
+ */
+	extern int qpol_policy_get_range_trans_iter(const qpol_policy_t * policy, qpol_iterator_t ** iter);
+
+/**
+ *  Get the source type from a range transition rule.
+ *  @param policy Policy from which the rule comes.
+ *  @param rule The rule from which to get the source type.
+ *  @param source Pointer in which to store the source type.
+ *  The caller should not free this pointer.
+ *  @returm 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *source will be NULL.
+ */
+	extern int qpol_range_trans_get_source_type(const qpol_policy_t * policy, const qpol_range_trans_t * rule,
+						    const qpol_type_t ** source);
+
+/**
+ *  Get the target type from a range transition rule.
+ *  @param policy Policy from which the rule comes.
+ *  @param rule The rule from which to get the target type.
+ *  @param target Pointer in which to store the target type.
+ *  The caller should not free this pointer.
+ *  @returm 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *target will be NULL.
+ */
+	extern int qpol_range_trans_get_target_type(const qpol_policy_t * policy, const qpol_range_trans_t * rule,
+						    const qpol_type_t ** target);
+
+/**
+ *  Get the target class from a range transition rule.
+ *  @param policy Policy from which the rule comes.
+ *  @param rule The rule from which to get the target class.
+ *  @param target Pointer in which to store the target class.
+ *  The caller should not free this pointer.
+ *  @returm 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *target will be NULL.
+ */
+	extern int qpol_range_trans_get_target_class(const qpol_policy_t * policy, const qpol_range_trans_t * rule,
+						     const qpol_class_t ** target);
+
+/**
+ *  Get the range from a range transition rule.
+ *  @param policy Policy from which the rule comes.
+ *  @param rule The rule from which to get the range.
+ *  @param range Pointer in which to store the range.
+ *  The caller should not free this pointer.
+ *  @returm 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *range will be NULL.
+ */
+	extern int qpol_range_trans_get_range(const qpol_policy_t * policy, const qpol_range_trans_t * rule,
+					      const qpol_mls_range_t ** range);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif				       /* QPOL_MLSRULE_QUERY_H */