286 lines
8.7 KiB
C
286 lines
8.7 KiB
C
/* Authors: Joshua Brindle <jbrindle@tresys.com>
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* Jason Tang <jtang@tresys.com>
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*
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* Copyright (C) 2005 Tresys Technology, LLC
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _SEMANAGE_MODULES_H_
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#define _SEMANAGE_MODULES_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <semanage/handle.h>
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#include <sys/types.h>
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typedef struct semanage_module_key semanage_module_key_t;
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/* High level module management functions. These are all part of
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* a transaction
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*/
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extern int semanage_module_install(semanage_handle_t *,
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char *module_data, size_t data_len, const char *name, const char *ext_lang);
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extern int semanage_module_install_file(semanage_handle_t *,
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const char *module_name);
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extern int semanage_module_remove(semanage_handle_t *, char *module_name);
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/* semanage_module_info is for getting information on installed
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modules, only name at this time */
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typedef struct semanage_module_info semanage_module_info_t;
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/* Look up a module using @modkey. The module's raw data is returned as a
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* @mapped_data blob and size of the mapped_data is returned as @data_len.
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* @modinfo contains additional information which can be used by the caller such
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* as the high level language extension of @mapped_data.
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*
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* On success, the caller is responsible for unmapping @mapped_data with munmap(),
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* destroying @modinfo with semanage_module_info_destroy(), and freeing @modinfo.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_extract(semanage_handle_t *sh,
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semanage_module_key_t *modkey,
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int extract_cil,
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void **mapped_data,
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size_t *data_len,
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semanage_module_info_t **modinfo);
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extern int semanage_module_list(semanage_handle_t *,
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semanage_module_info_t **, int *num_modules);
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extern void semanage_module_info_datum_destroy(semanage_module_info_t *);
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extern semanage_module_info_t *semanage_module_list_nth(semanage_module_info_t * list,
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int n);
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extern const char *semanage_module_get_name(semanage_module_info_t *);
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/* Module Info */
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/* Creates a module info struct.
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*
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* Returns 0 on success and -1 on failure.
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*
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* The @modinfo should be destroyed with semanage_module_info_destroy.
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* The caller should call free() on the struct.
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*/
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extern int semanage_module_info_create(semanage_handle_t *sh,
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semanage_module_info_t **modinfo);
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/* Frees the members of the module info struct.
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*
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* Returns 0 on success and -1 on failure.
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*
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* The caller should call free() on the struct.
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*/
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extern int semanage_module_info_destroy(semanage_handle_t *handle,
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semanage_module_info_t *modinfo);
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/* Module Info Getters */
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/* Get @priority from @modinfo.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_info_get_priority(semanage_handle_t *sh,
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semanage_module_info_t *modinfo,
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uint16_t *priority);
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/* Get @name from @modinfo. Caller should not free @name.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_info_get_name(semanage_handle_t *sh,
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semanage_module_info_t *modinfo,
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const char **name);
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/* Get @lang_ext from @modinfo. Caller should not free @lang_ext.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_info_get_lang_ext(semanage_handle_t *sh,
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semanage_module_info_t *modinfo,
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const char **lang_ext);
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/* Get @enabled from @modinfo.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_info_get_enabled(semanage_handle_t *sh,
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semanage_module_info_t *modinfo,
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int *enabled);
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/* Module Info Setters */
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/* Set @priority in @modinfo.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_info_set_priority(semanage_handle_t *sh,
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semanage_module_info_t *modinfo,
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uint16_t priority);
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/* Set @name in @modinfo.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_info_set_name(semanage_handle_t *sh,
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semanage_module_info_t *modinfo,
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const char *name);
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/* Set @lang_ext in @modinfo.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_info_set_lang_ext(semanage_handle_t *sh,
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semanage_module_info_t *modinfo,
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const char *lang_ext);
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/* Set @enabled in @modinfo.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_info_set_enabled(semanage_handle_t *sh,
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semanage_module_info_t *modinfo,
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int enabled);
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/* Module Key */
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/* Creates a module key struct.
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*
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* Return 0 on success, and -1 on error.
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*
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* The @modkey should be destroyed with semanage_module_key_destroy.
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* The caller should call free() on the struct.
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*/
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extern int semanage_module_key_create(semanage_handle_t *sh,
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semanage_module_key_t **modkey);
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/* Frees members of the @modkey, but not the struct. The caller should
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* call free() on struct.
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*
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* Returns 0 on success, and -1 on error.
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*/
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extern int semanage_module_key_destroy(semanage_handle_t *sh,
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semanage_module_key_t *modkey);
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/* Module Key Getters */
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/* Get @name from @modkey. Caller should not free @name.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_key_get_name(semanage_handle_t *sh,
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semanage_module_key_t *modkey,
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const char **name);
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/* Get @name from @modkey.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_key_get_priority(semanage_handle_t *sh,
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semanage_module_key_t *modkey,
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uint16_t *priority);
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/* Module Key Setters */
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/* Set @name in @modkey.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_key_set_name(semanage_handle_t *sh,
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semanage_module_key_t *modkey,
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const char *name);
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/* Set @priority in @modkey.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_key_set_priority(semanage_handle_t *sh,
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semanage_module_key_t *modkey,
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uint16_t priority);
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/* Set module @enabled status from @modkey. Modules are enabled on a per
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* module name basis (across all priorities). @modkey only needs to have
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* name set (priority is ignored).
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_set_enabled(semanage_handle_t *sh,
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const semanage_module_key_t *modkey,
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int enabled);
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/* Lookup @modinfo by @modkey. Caller should use
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* semanage_module_info_destroy and free on @modinfo.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_get_module_info(semanage_handle_t *sh,
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const semanage_module_key_t *modkey,
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semanage_module_info_t **modinfo);
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/* Create a list of all modules in @modinfos of length @modinfos_len.
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* The list will be sorted from high priority to low and alphabetically
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* by module name within a priority.
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*
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* Caller should use semanage_module_info_destroy on each modinfo in
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* @modinfos and free on @modinfos.
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_list_all(semanage_handle_t *sh,
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semanage_module_info_t **modinfos,
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int *modinfos_len);
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/* Install the module indicated by @modinfo with input data from
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* @module_data with length @data_len.
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*
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* @modinfo must have all values filled in.
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* @module_data may be bzip compressed.
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*
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* Returns:
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* 0 success
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* -1 failure, out of memory
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* -2 failure, invalid @modinfo
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* -3 failure, error writing file
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*/
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extern int semanage_module_install_info(semanage_handle_t *sh,
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const semanage_module_info_t *modinfo,
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char *data,
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size_t data_len);
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/* Remove the module indicated by @modkey.
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* @modkey must have key values filled in.
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*
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* Returns:
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* 0 success
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* -1 failure, out of memory
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* -2 failure, @module not found or couldn't be removed
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*/
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extern int semanage_module_remove_key(semanage_handle_t *sh,
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const semanage_module_key_t *modkey);
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/* Module Enabled */
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/* Get module @enabled status from @modkey. Modules are enabled on a per
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* module name basis (across all priorities). @modkey only needs to have
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* name set (priority is ignored).
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*
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* Returns 0 on success and -1 on error.
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*/
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extern int semanage_module_get_enabled(semanage_handle_t *sh,
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const semanage_module_key_t *modkey,
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int *enabled);
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#endif
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