1 files changed, 93 insertions, 0 deletions
diff --git a/libqpol/include/qpol/context_query.h b/libqpol/include/qpol/context_query.h
new file mode 100644
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+++ b/libqpol/include/qpol/context_query.h
@@ -0,0 +1,93 @@
+/**
+ *  @file
+ *  Defines the public interface accessing contexts.
+ *
+ *  @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_CONTEXT_QUERY_H
+#define QPOL_CONTEXT_QUERY_H
+
+#ifdef	__cplusplus
+extern "C"
+{
+#endif
+
+#include <stddef.h>
+#include <stdint.h>
+#include <qpol/policy.h>
+#include <qpol/user_query.h>
+#include <qpol/role_query.h>
+#include <qpol/type_query.h>
+#include <qpol/mls_query.h>
+
+	typedef struct qpol_context qpol_context_t;
+
+/**
+ *  Get the datum for the user field of a context.
+ *  @param policy The policy associated with the context.
+ *  @param context The context from which to get the user.
+ *  @param user Pointer in which to store the user datum.
+ *  The caller should not free this pointer.
+ *  @return 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *user will be NULL.
+ */
+	extern int qpol_context_get_user(const qpol_policy_t * policy, const qpol_context_t * context, const qpol_user_t ** user);
+
+/**
+ *  Get the datum for the role field of a context.
+ *  @param policy The policy associated with the context.
+ *  @param context The context from which to get the role.
+ *  @param role Pointer in which to store the role datum.
+ *  The caller should not free this pointer.
+ *  @return 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *role will be NULL.
+ */
+	extern int qpol_context_get_role(const qpol_policy_t * policy, const qpol_context_t * context, const qpol_role_t ** role);
+
+/**
+ *  Get the datum for the type field of a context.
+ *  @param policy The policy associated with the context.
+ *  @param context The context from which to get the type.
+ *  @param type Pointer in which to store the type datum.
+ *  The caller should not free this pointer.
+ *  @return 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *type will be NULL.
+ */
+	extern int qpol_context_get_type(const qpol_policy_t * policy, const qpol_context_t * context, const qpol_type_t ** type);
+
+/**
+ *  Get the datum for the MLS range field of a context.
+ *  @param policy The policy associated with the context.
+ *  @param context The context from which to get the MLS range.
+ *  @param range Pointer in which to store the MLS range.
+ *  The caller should not free this pointer.
+ *  @return 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *range will be NULL.
+ */
+	extern int qpol_context_get_range(const qpol_policy_t * policy, const qpol_context_t * context,
+					  const qpol_mls_range_t ** range);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif				       /* QPOL_CONTEXT_QUERY_H */