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/range_trans_diff.h | 140 ++++++++++++++++++++++++++ 1 file changed, 140 insertions(+) create mode 100644 libpoldiff/include/poldiff/range_trans_diff.h (limited to 'libpoldiff/include/poldiff/range_trans_diff.h') diff --git a/libpoldiff/include/poldiff/range_trans_diff.h b/libpoldiff/include/poldiff/range_trans_diff.h new file mode 100644 index 0000000..ee6dc5b --- /dev/null +++ b/libpoldiff/include/poldiff/range_trans_diff.h @@ -0,0 +1,140 @@ +/** + * @file + * Public interface for computing semantic differences in range + * transition rules. + * + * @author Jeremy A. Mowery jmowery@tresys.com + * @author Jason Tang jtang@tresys.com + * + * Copyright (C) 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_RANGETRANS_DIFF_H +#define POLDIFF_RANGETRANS_DIFF_H + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include +#include +#include + + typedef struct poldiff_range_trans poldiff_range_trans_t; + +/** + * Get an array of statistics for the number of differences of each + * form for range transition rules. + * + * @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_range_trans_get_stats(const poldiff_t * diff, size_t stats[5]); + +/** + * Get the vector of range transition differences from the policy + * difference structure. + * + * @param diff The policy difference structure from which to get the + * differences. + * + * @return A vector of elements of type poldiff_range_trans_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_range_trans_vector(const poldiff_t * diff); + +/** + * Obtain a newly allocated string representation of a difference in + * a range transition rule. + * + * @param diff The policy difference structure associated with the rule. + * @param range_trans The range transition diff from which to + * generate the string. + * + * @return A string representation of the rule difference; the caller is + * responsible for free()ing this string. On error, return NULL and + * set errno. + */ + extern char *poldiff_range_trans_to_string(const poldiff_t * diff, const void *range_trans); + +/** + * Get the name of the source type from a range transition diff. + * + * @param range_trans The rule from which to get the source type. + * + * @return Name of the source 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_range_trans_get_source_type(const poldiff_range_trans_t * range_trans); + +/** + * Get the name of the target type from a range transition diff. + * + * @param range_trans The rule from which to get the target type. + * + * @return Name of the target 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_range_trans_get_target_type(const poldiff_range_trans_t * range_trans); + +/** + * Get the name of the target object class from a range transition + * diff. + * + * @param range_trans The rule from which to get the target class. + * + * @return Name of the target class 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_range_trans_get_target_class(const poldiff_range_trans_t * range_trans); + +/** + * Get the change in target range from a range transition diff. + * + * @param range_trans The rule from which to get the target range. + * + * @return Rule's target range on success, or NULL upon error or if + * there is no difference in range. Do not modify the returned value. + */ + extern const poldiff_range_t *poldiff_range_trans_get_range(const poldiff_range_trans_t * range_trans); + +/** + * Get the form of difference from a range transition diff. + * + * @param range_trans The range transition rule 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_range_trans_get_form(const void *range_trans); + +#ifdef __cplusplus +} +#endif + +#endif /* POLDIFF_RANGETRANS_DIFF_H */ -- cgit