From 47be9ff57e72906660bb62a515222f482131e1fb Mon Sep 17 00:00:00 2001 From: Miroslav Grepl Date: Fri, 11 Apr 2014 09:37:53 +0200 Subject: Create setools-3.3.7 git repo --- libpoldiff/include/poldiff/type_diff.h | 132 +++++++++++++++++++++++++++++++++ 1 file changed, 132 insertions(+) create mode 100644 libpoldiff/include/poldiff/type_diff.h (limited to 'libpoldiff/include/poldiff/type_diff.h') diff --git a/libpoldiff/include/poldiff/type_diff.h b/libpoldiff/include/poldiff/type_diff.h new file mode 100644 index 0000000..b92795b --- /dev/null +++ b/libpoldiff/include/poldiff/type_diff.h @@ -0,0 +1,132 @@ +/** + * @file + * Public interface for computing semantic differences of primary + * types. Aliases are resolved by the type mapping system + * (type_map.h); attributes are found in the attrib_diff.h header + * file. + * + * @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 POLDIFF_TYPE_DIFF_H +#define POLDIFF_TYPE_DIFF_H + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include +#include + + typedef struct poldiff_type poldiff_type_t; + +/** + * Get an array of statistics for the number of differences of each + * form for types. + * + * @param diff The policy difference structure from which to get the + * stats. + * @param stats Array into which to write the numbers (array must be + * pre-allocated). The order of the values written to the array is + * as follows: number of items of form POLDIFF_FORM_ADDED, number of + * POLDIFF_FORM_REMOVED, number of POLDIFF_FORM_MODIFIED, number of + * POLDIFF_FORM_ADD_TYPE, and number of POLDIFF_FORM_REMOVE_TYPE. + */ + extern void poldiff_type_get_stats(const poldiff_t * diff, size_t stats[5]); + +/** + * Get the vector of type differences from the type difference + * summary. + * + * @param diff The policy difference structure associated with the + * type difference summary. + * + * @return A vector of elements of type poldiff_type_t, or NULL on + * error. The caller should not destroy the vector + * returned. If the call fails, errno will be set. + */ + extern const apol_vector_t *poldiff_get_type_vector(const poldiff_t * diff); + +/** + * Obtain a newly allocated string representation of a difference in + * a type. + * + * @param diff The policy difference structure associated with the type. + * @param type The type from which to generate the string. + * + * @return A string representation of type difference; the caller is + * responsible for free()ing this string. On error, return NULL and + * set errno. + */ + extern char *poldiff_type_to_string(const poldiff_t * diff, const void *type); + +/** + * Get the name of the type from a type diff. + * + * @param type The type from which to get the name. + * + * @return Name of the type on success and NULL on failure; if the + * call fails, errno will be set. The caller should not free the + * returned string. + */ + extern const char *poldiff_type_get_name(const poldiff_type_t * type); + +/** + * Get the form of difference from a type diff. + * + * @param cls The type from which to get the difference form. + * + * @return The form of difference (one of POLDIFF_FORM_*) or + * POLDIFF_FORM_NONE on error. If the call fails, errno will be set. + */ + extern poldiff_form_e poldiff_type_get_form(const void *type); + +/** + * Get a vector of attributes added to the type. + * + * @param type The type diff from which to get the attribute + * vector. + * + * @return A vector of attribute names (type char *) that are + * assigned to the type in the modified policy. If no attributes + * were added the size of the returned vector will be 0. The + * caller must not destroy this vector. On error, errno will be set. + */ + extern const apol_vector_t *poldiff_type_get_added_attribs(const poldiff_type_t * type); + +/** + * Get a vector of attributes removed from the type. + * + * @param type The type diff from which to get the attribute + * vector. + * + * @return A vector of attribute names (type char *) that are + * assigned to the type in the original policy. If no attributes + * were removed the size of the returned vector will be 0. The + * caller must not destroy this vector. On error, errno will be set. + */ + extern const apol_vector_t *poldiff_type_get_removed_attribs(const poldiff_type_t * type); + +#ifdef __cplusplus +} +#endif + +#endif /* POLDIFF_TYPE_DIFF_H */ -- cgit