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Diffstat (limited to 'libqpol/include/qpol/genfscon_query.h')
| -rw-r--r-- | libqpol/include/qpol/genfscon_query.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/libqpol/include/qpol/genfscon_query.h b/libqpol/include/qpol/genfscon_query.h new file mode 100644 index 0000000..f89795a --- /dev/null +++ b/libqpol/include/qpol/genfscon_query.h @@ -0,0 +1,128 @@ +/** + * @file + * Defines the public interface for searching and iterating over genfscon statements. + * + * @author Kevin Carr kcarr@tresys.com + * @author Jeremy A. Mowery jmowery@tresys.com + * @author Jason Tang jtang@tresys.com + * + * Copyright (C) 20062007 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_OCON_QUERY_H +#define QPOL_OCON_QUERY_H + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include <stddef.h> +#include <stdint.h> +#include <qpol/iterator.h> +#include <qpol/policy.h> + + typedef struct qpol_genfscon qpol_genfscon_t; + +/** + * Get a genfscon statement by file system name and path. + * @param policy The policy from which to get the genfscon statement. + * @param name The name of the file system. + * @param path The path relative to the filesystem mount point. + * @param genfscon Pointer in which to store the genfscon statement. + * The caller should call free() on this pointer. + * @return 0 on success and < 0 on failure; if the call fails, + * errno will be set and *genfscon will be NULL. + */ + extern int qpol_policy_get_genfscon_by_name(const qpol_policy_t * policy, const char *name, const char *path, + qpol_genfscon_t ** genfscon); + +/** + * Get an iterator for the genfscon statements in a policy. + * @param policy The policy from which to create the iterator. + * @param iter Iterator over items of type qpol_genfscon_t returned. + * The caller is responsible for calling qpol_iterator_destroy() + * to free memory used by this iterator. The caller must also call free() + * on items returned by qpol_iterator_get_item() when using this iterator. + * It is important to note that this iterator is only valid as long + * as the policy is unmodified. + * @return 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_genfscon_iter(const qpol_policy_t * policy, qpol_iterator_t ** iter); + +/** + * Get the file system name from a gefscon statement. + * @param policy The policy associated with the genfscon statement. + * @param genfs The genfscon statement from which to get the name. + * @param name Pointer to th string in which to store the name. + * The caller should not free this string. + * @return 0 on success and < 0 on failure; if the call fails, + * errno will be set and *name will be NULL. + */ + extern int qpol_genfscon_get_name(const qpol_policy_t * policy, const qpol_genfscon_t * genfs, const char **name); + +/** + * Get the relative path from a gefscon statement. + * @param policy The policy associated with the genfscon statement. + * @param genfs The genfscon statement from which to get the path. + * @param path Pointer to the string in which to store the path. + * The caller should not free this string. + * @return 0 on success and < 0 on failure; if the call fails, + * errno will be set and *path will be NULL. + */ + extern int qpol_genfscon_get_path(const qpol_policy_t * policy, const qpol_genfscon_t * genfs, const char **path); + +/* values from flask do not change */ +#define QPOL_CLASS_ALL 0U +#define QPOL_CLASS_BLK_FILE 11U +#define QPOL_CLASS_CHR_FILE 10U +#define QPOL_CLASS_DIR 7U +#define QPOL_CLASS_FIFO_FILE 13U +#define QPOL_CLASS_FILE 6U +#define QPOL_CLASS_LNK_FILE 9U +#define QPOL_CLASS_SOCK_FILE 12U + +/** + * Get the object class from a genfscon statement. + * @param policy The policy associated with the genfscon statement. + * @param genfs The genfscon statement from which to get the path. + * @param obj_class Pointer in which to store the integer code for the + * object class. See QPOL_CLASS_* defines above for values. + * @return 0 on success and < 0 on failure; if the call fails, + * errno will be set and *class will be 0. + */ + extern int qpol_genfscon_get_class(const qpol_policy_t * policy, const qpol_genfscon_t * genfs, uint32_t * obj_class); + +/** + * Get the context from a path component of a genfscon statement. + * @param policy The policy associated with the genfscon statement. + * @param genfscon The genfscon statement from which to get + * the context. + * @param context Pointer in which to store the context. + * The caller should not free this pointer. + * @return 0 on success and < 0 on failure; if the call fails, + * errno will be set and *context will be NULL. + */ + extern int qpol_genfscon_get_context(const qpol_policy_t * policy, const qpol_genfscon_t * genfscon, + const qpol_context_t ** context); + +#ifdef __cplusplus +} +#endif + +#endif /* QPOL_OCON_QUERY_H */ |