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/* MS authorization and subscriber data handling */
/* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <openbsc/sgsn.h>
#include <openbsc/gprs_sgsn.h>
void sgsn_auth_init(struct sgsn_instance *sgi)
{
INIT_LLIST_HEAD(&sgi->cfg.imsi_acl);
}
/* temporary IMSI ACL hack */
struct imsi_acl_entry *sgsn_acl_lookup(const char *imsi, struct sgsn_config *cfg)
{
struct imsi_acl_entry *acl;
llist_for_each_entry(acl, &cfg->imsi_acl, list) {
if (!strcmp(imsi, acl->imsi))
return acl;
}
return NULL;
}
int sgsn_acl_add(const char *imsi, struct sgsn_config *cfg)
{
struct imsi_acl_entry *acl;
if (sgsn_acl_lookup(imsi, cfg))
return -EEXIST;
acl = talloc_zero(NULL, struct imsi_acl_entry);
if (!acl)
return -ENOMEM;
strncpy(acl->imsi, imsi, sizeof(acl->imsi));
llist_add(&acl->list, &cfg->imsi_acl);
return 0;
}
int sgsn_acl_del(const char *imsi, struct sgsn_config *cfg)
{
struct imsi_acl_entry *acl;
acl = sgsn_acl_lookup(imsi, cfg);
if (!acl)
return -ENODEV;
llist_del(&acl->list);
talloc_free(acl);
return 0;
}
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