mirror of
https://github.com/SELinuxProject/setools
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96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/**
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* @file
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* Defines the public interface for searching and iterating over the permissive types.
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*
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* @author Steve Lawrence slawrence@tresys.com
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*
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* Copyright (C) 2006-2007 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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#include <stddef.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <qpol/iterator.h>
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#include <qpol/policy.h>
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#include <qpol/permissive_query.h>
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#include <sepol/policydb/policydb.h>
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#include "qpol_internal.h"
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#include "iterator_internal.h"
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int qpol_permissive_get_name(const qpol_policy_t *policy, const qpol_permissive_t * datum, const char **name)
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{
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type_datum_t *internal_datum = NULL;
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policydb_t *db = NULL;
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if (policy == NULL || datum == NULL || name == NULL) {
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if (name != NULL)
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*name = NULL;
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ERR(policy, "%s", strerror(EINVAL));
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errno = EINVAL;
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return STATUS_ERR;
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}
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db = &policy->p->p;
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internal_datum = (type_datum_t *)datum;
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*name = db->p_type_val_to_name[internal_datum->s.value - 1];
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return STATUS_SUCCESS;
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}
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int qpol_policy_get_permissive_iter(const qpol_policy_t *policy, qpol_iterator_t **iter)
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{
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int error = 0;
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policydb_t *db;
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ebitmap_state_t *state = NULL;
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if (iter) {
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*iter = NULL;
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}
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if (policy == NULL || iter == NULL) {
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ERR(policy, "%s", strerror(EINVAL));
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errno = EINVAL;
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return STATUS_ERR;
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}
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db = &policy->p->p;
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state = calloc(1, sizeof(ebitmap_state_t));
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if (state == NULL) {
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error = errno;
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ERR(policy, "%s", strerror(ENOMEM));
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errno = error;
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return STATUS_ERR;
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}
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state->bmap = &(db->permissive_map);
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state->cur = state->bmap->node ? state->bmap->node->startbit : 0;
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if (qpol_iterator_create(policy, state, ebitmap_state_get_cur_permissive,
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ebitmap_state_next, ebitmap_state_end, ebitmap_state_size, free, iter)) {
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free(state);
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return STATUS_ERR;
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}
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if (state->bmap->node && !ebitmap_get_bit(state->bmap, state->cur))
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ebitmap_state_next(*iter);
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return STATUS_SUCCESS;
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}
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