mirror of
https://github.com/SELinuxProject/setools
synced 2025-02-11 01:16:52 +00:00
140 lines
3.5 KiB
C
140 lines
3.5 KiB
C
/**
|
|
* @file
|
|
* Defines the public interface for searching and iterating over initial SIDs.
|
|
*
|
|
* @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
|
|
*/
|
|
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <qpol/iterator.h>
|
|
#include <qpol/policy.h>
|
|
#include <qpol/context_query.h>
|
|
#include <qpol/isid_query.h>
|
|
#include <sepol/policydb/policydb.h>
|
|
#include "qpol_internal.h"
|
|
#include "iterator_internal.h"
|
|
|
|
int qpol_policy_get_isid_by_name(const qpol_policy_t * policy, const char *name, const qpol_isid_t ** ocon)
|
|
{
|
|
ocontext_t *tmp = NULL;
|
|
policydb_t *db = NULL;
|
|
|
|
if (ocon != NULL)
|
|
*ocon = NULL;
|
|
|
|
if (policy == NULL || name == NULL || ocon == NULL) {
|
|
ERR(policy, "%s", strerror(EINVAL));
|
|
errno = EINVAL;
|
|
return STATUS_ERR;
|
|
}
|
|
|
|
db = &policy->p->p;
|
|
for (tmp = db->ocontexts[OCON_ISID]; tmp; tmp = tmp->next) {
|
|
if (!strcmp(name, tmp->u.name))
|
|
break;
|
|
}
|
|
|
|
*ocon = (qpol_isid_t *) tmp;
|
|
|
|
if (*ocon == NULL) {
|
|
ERR(policy, "could not find initial SID statement for %s", name);
|
|
errno = EINVAL;
|
|
return STATUS_ERR;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
int qpol_policy_get_isid_iter(const qpol_policy_t * policy, qpol_iterator_t ** iter)
|
|
{
|
|
policydb_t *db = NULL;
|
|
ocon_state_t *os = NULL;
|
|
int error = 0;
|
|
|
|
if (iter != NULL)
|
|
*iter = NULL;
|
|
|
|
if (policy == NULL || iter == NULL) {
|
|
ERR(policy, "%s", strerror(EINVAL));
|
|
errno = EINVAL;
|
|
return STATUS_ERR;
|
|
}
|
|
|
|
db = &policy->p->p;
|
|
|
|
os = calloc(1, sizeof(ocon_state_t));
|
|
if (os == NULL) {
|
|
error = errno;
|
|
ERR(policy, "%s", strerror(ENOMEM));
|
|
errno = error;
|
|
return STATUS_ERR;
|
|
}
|
|
|
|
os->head = os->cur = db->ocontexts[OCON_ISID];
|
|
|
|
if (qpol_iterator_create(policy, (void *)os, ocon_state_get_cur,
|
|
ocon_state_next, ocon_state_end, ocon_state_size, free, iter)) {
|
|
free(os);
|
|
return STATUS_ERR;
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
int qpol_isid_get_name(const qpol_policy_t * policy, const qpol_isid_t * ocon, const char **name)
|
|
{
|
|
ocontext_t *internal_ocon = NULL;
|
|
|
|
if (name != NULL)
|
|
*name = NULL;
|
|
|
|
if (policy == NULL || ocon == NULL || name == NULL) {
|
|
ERR(policy, "%s", strerror(EINVAL));
|
|
errno = EINVAL;
|
|
return STATUS_ERR;
|
|
}
|
|
|
|
internal_ocon = (ocontext_t *) ocon;
|
|
*name = internal_ocon->u.name;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
int qpol_isid_get_context(const qpol_policy_t * policy, const qpol_isid_t * ocon, const qpol_context_t ** context)
|
|
{
|
|
ocontext_t *internal_ocon = NULL;
|
|
|
|
if (context != NULL)
|
|
*context = NULL;
|
|
|
|
if (policy == NULL || ocon == NULL || context == NULL) {
|
|
ERR(policy, "%s", strerror(EINVAL));
|
|
errno = EINVAL;
|
|
return STATUS_ERR;
|
|
}
|
|
|
|
internal_ocon = (ocontext_t *) ocon;
|
|
*context = (qpol_context_t *) & (internal_ocon->context[0]);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|