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/**
* @file
* Declaration of the internal interface for
* qpol_iterator, an arbitrary valued policy component
* iterator used to return lists of components.
*
* @author Kevin Carr kcarr@tresys.com
* @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_ITERATOR_INTERNAL_H
#define QPOL_ITERATOR_INTERNAL_H
#ifdef __cplusplus
extern "C"
{
#endif
#include <sepol/policydb/policydb.h>
#include <sepol/policydb/avtab.h>
#include <qpol/iterator.h>
#include <qpol/policy.h>
#include <stddef.h>
typedef struct hash_state
{
unsigned int bucket;
hashtab_node_t *node;
hashtab_t *table;
} hash_state_t;
typedef struct ebitmap_state
{
ebitmap_t *bmap;
size_t cur;
} ebitmap_state_t;
typedef struct ocon_state
{
ocontext_t *head;
ocontext_t *cur;
} ocon_state_t;
typedef struct perm_state
{
uint32_t perm_set;
uint32_t obj_class_val;
uint8_t cur;
} perm_state_t;
typedef struct avtab_state
{
uint32_t rule_type_mask;
avtab_t *ucond_tab;
avtab_t *cond_tab;
uint32_t bucket;
avtab_ptr_t node;
#define QPOL_AVTAB_STATE_AV 0
#define QPOL_AVTAB_STATE_COND 1
unsigned which;
} avtab_state_t;
int qpol_iterator_create(const qpol_policy_t * policy, void *state,
void *(*get_cur) (const qpol_iterator_t * iter),
int (*next) (qpol_iterator_t * iter),
int (*end) (const qpol_iterator_t * iter),
size_t(*size) (const qpol_iterator_t * iter), void (*free_fn) (void *x), qpol_iterator_t ** iter);
void *qpol_iterator_state(const qpol_iterator_t * iter);
const policydb_t *qpol_iterator_policy(const qpol_iterator_t * iter);
void *hash_state_get_cur(const qpol_iterator_t * iter);
void *hash_state_get_cur_key(const qpol_iterator_t * iter);
void *ebitmap_state_get_cur_type(const qpol_iterator_t * iter);
void *ebitmap_state_get_cur_role(const qpol_iterator_t * iter);
void *ebitmap_state_get_cur_cat(const qpol_iterator_t * iter);
void *ebitmap_state_get_cur_permissive(const qpol_iterator_t * iter);
void *ebitmap_state_get_cur_polcap(const qpol_iterator_t * iter);
void *ocon_state_get_cur(const qpol_iterator_t * iter);
void *perm_state_get_cur(const qpol_iterator_t * iter);
void *avtab_state_get_cur(const qpol_iterator_t * iter);
int hash_state_next(qpol_iterator_t * iter);
int ebitmap_state_next(qpol_iterator_t * iter);
int ocon_state_next(qpol_iterator_t * iter);
int perm_state_next(qpol_iterator_t * iter);
int avtab_state_next(qpol_iterator_t * iter);
int hash_state_end(const qpol_iterator_t * iter);
int ebitmap_state_end(const qpol_iterator_t * iter);
int ocon_state_end(const qpol_iterator_t * iter);
int perm_state_end(const qpol_iterator_t * iter);
int avtab_state_end(const qpol_iterator_t * iter);
size_t hash_state_size(const qpol_iterator_t * iter);
size_t ebitmap_state_size(const qpol_iterator_t * iter);
size_t ocon_state_size(const qpol_iterator_t * iter);
size_t perm_state_size(const qpol_iterator_t * iter);
size_t avtab_state_size(const qpol_iterator_t * iter);
void ebitmap_state_destroy(void *es);
#ifdef __cplusplus
}
#endif
#endif /* QPOL_ITERATOR_INTERNAL_H */
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