1 files changed, 127 insertions, 0 deletions
diff --git a/libapol/include/apol/role-query.h b/libapol/include/apol/role-query.h
new file mode 100644
index 0000000..ad80490
--- /dev/null
+++ b/libapol/include/apol/role-query.h
@@ -0,0 +1,127 @@
+/**
+ *  @file
+ *  Public Interface for querying roles of a policy.
+ *
+ *  @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 APOL_ROLE_QUERY_H
+#define APOL_ROLE_QUERY_H
+
+#ifdef	__cplusplus
+extern "C"
+{
+#endif
+
+#include "policy.h"
+#include "vector.h"
+#include <qpol/policy.h>
+
+	typedef struct apol_role_query apol_role_query_t;
+
+/******************** role queries ********************/
+
+/**
+ * Execute a query against all roles within the policy.
+ *
+ * @param p Policy within which to look up roles.
+ * @param r Structure containing parameters for query.	If this is
+ * NULL then return all roles.
+ * @param v Reference to a vector of qpol_role_t.  The vector will be
+ * allocated by this function.  The caller must call
+ * apol_vector_destroy() afterwards.  This will be set to NULL upon no
+ * results or upon error.
+ *
+ * @return 0 on success (including none found), negative on error.
+ */
+	extern int apol_role_get_by_query(const apol_policy_t * p, apol_role_query_t * r, apol_vector_t ** v);
+
+/**
+ * Allocate and return a new role query structure.  All fields are
+ * initialized, such that running this blank query results in
+ * returning all roles within the policy.  The caller must call
+ * apol_role_query_destroy() upon the return value afterwards.
+ *
+ * @return An initialized role query structure, or NULL upon error.
+ */
+	extern apol_role_query_t *apol_role_query_create(void);
+
+/**
+ * Deallocate all memory associated with the referenced role query,
+ * and then set it to NULL.  This function does nothing if the query
+ * is already NULL.
+ *
+ * @param r Reference to a role query structure to destroy.
+ */
+	extern void apol_role_query_destroy(apol_role_query_t ** r);
+
+/**
+ * Set a role query to return only roles that match this name.	This
+ * function duplicates the incoming name.
+ *
+ * @param p Policy handler, to report errors.
+ * @param r Role query to set.
+ * @param name Limit query to only roles with this name, or NULL to
+ * unset this field.
+ *
+ * @return 0 on success, negative on error.
+ */
+	extern int apol_role_query_set_role(const apol_policy_t * p, apol_role_query_t * r, const char *name);
+
+/**
+ * Set a role query to return only roles containing this type or one
+ * of its aliases.  This function duplicates the incoming name.
+ *
+ * @param p Policy handler, to report errors.
+ * @param r Role query to set.
+ * @param name Limit query to only roles with this type, or NULL to
+ * unset this field.
+ *
+ * @return 0 on success, negative on error.
+ */
+	extern int apol_role_query_set_type(const apol_policy_t * p, apol_role_query_t * r, const char *name);
+
+/**
+ * Set a role query to use regular expression searching for all of its
+ * fields.  Strings will be treated as regexes instead of literals.
+ *
+ * @param p Policy handler, to report errors.
+ * @param r Role query to set.
+ * @param is_regex Non-zero to enable regex searching, 0 to disable.
+ *
+ * @return Always 0.
+ */
+	extern int apol_role_query_set_regex(const apol_policy_t * p, apol_role_query_t * r, int is_regex);
+
+/**
+ * See if the role passed in includes the type that is the
+ * second parameter.
+ * @param p Policy handler, to report errors.
+ * @param r Role to check if type is included in it.
+ * @param t Type that is checked against all types that are in role
+ * @return 1 if the type is included in the role, 0 if it's not, < 0 on error
+*/
+	extern int apol_role_has_type(const apol_policy_t * p, const qpol_role_t * r, const qpol_type_t * t);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif				       /* APOL_ROLE_QUERY_H */