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/usr/include/seaudit/log.h is in libseaudit-dev 3.3.8-3ubuntu1.

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/**
 *  @file
 *
 *  Public interface for the main libseaudit object, seaudit_log.
 *  Note that there is no public way to get at the messages stored
 *  within a model.  For that, the caller must create a seaudit_model
 *  and then access messages through the model.
 *
 *  @author Jeremy A. Mowery jmowery@tresys.com
 *  @author Jason Tang jtang@tresys.com
 *  @author Jeremy Solt jsolt@tresys.com
 *
 *  Copyright (C) 2003-2007 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 SEAUDIT_LOG_H
#define SEAUDIT_LOG_H

#ifdef  __cplusplus
extern "C"
{
#endif

#include <stdarg.h>
#include <apol/vector.h>

	typedef struct seaudit_log seaudit_log_t;
	typedef void (*seaudit_handle_fn_t) (void *arg, const seaudit_log_t * log, int level, const char *fmt, va_list va_args);

/**
 * Define the types of logs that this library can parse.
 */
	typedef enum seaudit_log_type
	{
		SEAUDIT_LOG_TYPE_INVALID = 0,
		SEAUDIT_LOG_TYPE_SYSLOG,
		SEAUDIT_LOG_TYPE_AUDITD
	} seaudit_log_type_e;

/**
 * Allocate and initialize a new seaudit log structure.  This
 * structure holds log messages from one or more files; call
 * seaudit_log_parse() to actually add messages to this log.
 *
 * @param fn Function to be called by the error handler.  If NULL
 * then write messages to standard error.
 * @param callback_arg Argument for the callback.
 *
 * @return A newly allocated and initialized seaudit log structure or
 * NULL on error; if the call fails, errno will be set.  The caller is
 * responsible for calling seaudit_log_destroy() to free memory used
 * by this structure.
 */
	extern seaudit_log_t *seaudit_log_create(seaudit_handle_fn_t fn, void *callback_arg);

/**
 * Free all memory used by an seaudit log structure and set it to
 * NULL.
 *
 * @param log Reference pointer to the log structure to destroy.  This
 * pointer will be set to NULL. (If already NULL, function is a
 * no-op.)
 */
	extern void seaudit_log_destroy(seaudit_log_t ** log);

/**
 * Remove all messages from the log.  The next time the model(s) that
 * are watching this log are accessed, they will be refreshed.  Note
 * that any existing pointers to messages within this log will become
 * invalid.  (This function does not actually delete the log file from
 * disk; it just removes them from memory.)
 *
 * @param log Log to clear.
 */
	extern void seaudit_log_clear(seaudit_log_t * log);

/**
 * Return a vector of strings corresponding to all users found within
 * the log file.  The vector will be sorted alphabetically.
 *
 * @param log Log file to access.
 *
 * @return Vector of sorted users, or NULL upon error.  The caller
 * must call apol_vector_destroy() upon the return value.
 */
	apol_vector_t *seaudit_log_get_users(const seaudit_log_t * log);

/**
 * Return a vector of strings corresponding to all roles found within
 * the log file.  The vector will be sorted alphabetically.
 *
 * @param log Log file to access.
 *
 * @return Vector of sorted roles, or NULL upon error.  The caller
 * must call apol_vector_destroy() upon the return value.
 */
	apol_vector_t *seaudit_log_get_roles(const seaudit_log_t * log);

/**
 * Return a vector of strings corresponding to all types found within
 * the log file.  The vector will be sorted alphabetically.
 *
 * @param log Log file to access.
 *
 * @return Vector of sorted types, or NULL upon error.  The caller
 * must call apol_vector_destroy() upon the return value.
 */
	apol_vector_t *seaudit_log_get_types(const seaudit_log_t * log);
	
/**
 * Return a vector of strings corresponding to all mls levels found within
 * the log file.  The vector will be sorted alphabetically.
 *
 * @param log Log file to access.
 *
 * @return Vector of sorted types, or NULL upon error.  The caller
 * must call apol_vector_destroy() upon the return value.
 */
	apol_vector_t *seaudit_log_get_mls_lvl(const seaudit_log_t * log);	

/**
 * Return a vector of strings corresponding to all mls clearance found within
 * the log file.  The vector will be sorted alphabetically.
 *
 * @param log Log file to access.
 *
 * @return Vector of sorted types, or NULL upon error.  The caller
 * must call apol_vector_destroy() upon the return value.
 */
	apol_vector_t *seaudit_log_get_mls_clr(const seaudit_log_t * log);

/**
 * Return a vector of strings corresponding to all object classes
 * found within the log file.  The vector will be sorted
 * alphabetically.
 *
 * @param log Log file to access.
 *
 * @return Vector of sorted classes, or NULL upon error.  The caller
 * must call apol_vector_destroy() upon the return value.
 */
	apol_vector_t *seaudit_log_get_classes(const seaudit_log_t * log);

#ifdef  __cplusplus
}
#endif

#endif