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/**
* @file
* Headers for main sediffx program.
*
* @author Jeremy A. Mowery jmowery@tresys.com
* @author Jason Tang jtang@tresys.com
* @author Brandon Whalen bwhalen@tresys.com
* @author Randy Wicks rwicks@tresys.com
*
* Copyright (C) 2005-2007 Tresys Technology, LLC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef SEDIFFX_H
#define SEDIFFX_H
#include <apol/policy.h>
#include <apol/policy-path.h>
#include <poldiff/poldiff.h>
typedef struct sediffx sediffx_t;
/** enumeration of which policy to affect -- the original policy (used
to be called "policy 1") or the modified policy ("policy 2") */
typedef enum sediffx_policy
{
SEDIFFX_POLICY_ORIG = 0, SEDIFFX_POLICY_MOD, SEDIFFX_POLICY_NUM
} sediffx_policy_e;
#define COPYRIGHT_INFO "Copyright (C) 2004-2007 Tresys Technology, LLC"
/**
* Set one of the policies for sediffx. This will invalidate any
* currently executed poldiff_t objects.
*
* @param s sediffx object to query.
* @param which Which policy to set.
* @param policy New policy file for sediffx. If NULL then no policy
* is opened. Afterwards sediffx takes ownership of the policy.
* @param path If policy is not NULL, then the path that was used to
* open the policy.
*/
void sediffx_set_policy(sediffx_t * s, sediffx_policy_e which, apol_policy_t * policy, apol_policy_path_t * path);
/**
* Return the policy path for the policy given. If the policy has not
* yet been loaded then return NULL.
*
* @param s sediffx object to query.
* @param which Which policy path to get.
*
* @return Path to the policy, or NULL if none set.
*/
const apol_policy_path_t *sediffx_get_policy_path(sediffx_t * s, const sediffx_policy_e which);
/**
* Return the currently active poldiff object. If one is not yet
* created or if a policy has changed since the last time this
* function was called, then build a new one and return it. Note that
* this does not actually call poldiff_run(); it is up to the caller
* of this function to do that.
*
* @param s sediffx object to query.
* @param fn If a poldiff object is being created, a valid callback
* function to receive poldiff messages.
* @param arg Arbitrary argument to poldiff callback handler.
*
* @return Poldiff object for currently loaded policies, or NULL upon
* error.
*/
poldiff_t *sediffx_get_poldiff(sediffx_t * s, poldiff_handle_fn_t fn, void *arg);
/**
* Set the flags that were used to run a poldiff. This function
* should be called immediately proceeding a call to poldiff_run().
*
* @param s sediffx object that contained the poldiff object that ran.
* @param flags Flags for that were used during the run.
*
* @see sediffx_get_poldiff_run_flags
*/
void sediffx_set_poldiff_run_flags(sediffx_t * s, uint32_t flags);
/**
* Get the flags that were used to run a poldiff.
*
* @param s sediffx object to query.
*
* @return poldiff run flags, or 0 in none set.
*
* @see sediffx_set_poldiff_run_flags
*/
uint32_t sediffx_get_poldiff_run_flags(sediffx_t * s);
#endif
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