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/**
* @file
* Defines common debug symbols and the internal policy structure.
*
* @author Jeremy A. Mowery jmowery@tresys.com
* @author Jason Tang jtang@tresys.com
*
* Copyright (C) 2006-2007 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 QPOL_INTERNAL_H
#define QPOL_INTERNAL_H
#ifdef __cplusplus
extern "C"
{
#endif
#include <sepol/handle.h>
#include <qpol/policy.h>
#include <stdio.h>
#define STATUS_SUCCESS 0
#define STATUS_ERR -1
#define STATUS_NODATA 1
#define QPOL_MSG_ERR 1
#define QPOL_MSG_WARN 2
#define QPOL_MSG_INFO 3
struct qpol_extended_image;
struct qpol_policy;
struct qpol_module
{
char *name;
char *path;
char *version;
int type;
struct sepol_policydb *p;
int enabled;
struct qpol_policy *parent;
};
struct qpol_policy
{
struct sepol_policydb *p;
struct sepol_handle *sh;
qpol_callback_fn_t fn;
void *varg;
int options;
int type;
int modified;
struct qpol_extended_image *ext;
struct qpol_module **modules;
size_t num_modules;
char *file_data;
size_t file_data_sz;
int file_data_type;
};
/* qpol_policy_t.file_data_type will be one of the following to denote
* the proper method of destroying the data:
* _BIN if policy is from a binary source (modular or kernel) destroy is a no-op
* _MMAP if policy is from a file and destroy should call munmap
* _MEM if policy is from open_from_memory and destroy should call free */
#define QPOL_POLICY_FILE_DATA_TYPE_BIN 0
#define QPOL_POLICY_FILE_DATA_TYPE_MMAP 1
#define QPOL_POLICY_FILE_DATA_TYPE_MEM 2
/**
* Create an extended image for a policy. This function modifies the policydb
* by adding additional records and information about attributes, initial sids
* and other components not normally written to a binary policy file. Subsequent
* calls to this function have no effect.
* @param policy The policy for which the extended image should be created.
* @return Returns 0 on success and < 0 on failure. If the call fails,
* errno will be set; the state of the policy is not guaranteed to be stable
* if this call fails.
*/
int policy_extend(qpol_policy_t * policy);
extern void qpol_handle_msg(const qpol_policy_t * policy, int level, const char *fmt, ...);
int qpol_is_file_binpol(FILE * fp);
int qpol_is_file_mod_pkg(FILE * fp);
/**
* Returns the version number of the binary policy. Note that this
* will rewind the file pointer.
*
* @return Non-negative policy version, or -1 general error for, -2
* wrong magic number for file, or -3 problem reading file.
*/
int qpol_binpol_version(FILE * fp);
/**
* Returns true if the file is a module package.
* @return Returns 1 for module packages, 0 otherwise.
*/
int qpol_is_data_mod_pkg(char * data);
#define ERR(policy, format, ...) qpol_handle_msg(policy, QPOL_MSG_ERR, format, __VA_ARGS__)
#define WARN(policy, format, ...) qpol_handle_msg(policy, QPOL_MSG_WARN, format, __VA_ARGS__)
#define INFO(policy, format, ...) qpol_handle_msg(policy, QPOL_MSG_INFO, format, __VA_ARGS__)
#ifdef __cplusplus
}
#endif
#endif /* QPOL_INTERNAL_H */
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