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/*
Unix SMB/CIFS implementation.
Samba KDB plugin for MIT Kerberos
Copyright (c) 2010 Simo Sorce <idra@samba.org>.
Copyright (c) 2014 Andreas Schneider <asn@samba.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "system/kerberos.h"
#include <profile.h>
#include <kdb.h>
#include "kdc/mit_samba.h"
#include "kdb_samba.h"
struct mit_samba_context *ks_get_context(krb5_context kcontext)
{
void *db_ctx;
krb5_error_code code;
code = krb5_db_get_context(kcontext, &db_ctx);
if (code != 0) {
return NULL;
}
return (struct mit_samba_context *)db_ctx;
}
void ks_free_krb5_db_entry(krb5_context context,
krb5_db_entry *entry)
{
krb5_tl_data *tl_data_next = NULL;
krb5_tl_data *tl_data = NULL;
int i, j;
if (entry == NULL) {
return;
}
#if 0 /* TODO FIXME do we have something to free? */
if (entry->e_data != NULL) {
/* FREE ME! */
}
#endif
krb5_free_principal(context, entry->princ);
for (tl_data = entry->tl_data; tl_data; tl_data = tl_data_next) {
tl_data_next = tl_data->tl_data_next;
if (tl_data->tl_data_contents != NULL)
free(tl_data->tl_data_contents);
free(tl_data);
}
if (entry->key_data != NULL) {
for (i = 0; i < entry->n_key_data; i++) {
for (j = 0; j < entry->key_data[i].key_data_ver; j++) {
if (entry->key_data[i].key_data_length[j] != 0) {
if (entry->key_data[i].key_data_contents[j] != NULL) {
memset(entry->key_data[i].key_data_contents[j],
0,
entry->key_data[i].key_data_length[j]);
free(entry->key_data[i].key_data_contents[j]);
}
}
entry->key_data[i].key_data_contents[j] = NULL;
entry->key_data[i].key_data_length[j] = 0;
entry->key_data[i].key_data_type[j] = 0;
}
}
free(entry->key_data);
}
free(entry);
}
bool ks_data_eq_string(krb5_data d, const char *s)
{
int rc;
if (d.length != strlen(s) || d.length == 0) {
return false;
}
rc = memcmp(d.data, s, d.length);
if (rc != 0) {
return false;
}
return true;
}
krb5_data ks_make_data(void *data, unsigned int len)
{
krb5_data d;
d.magic = KV5M_DATA;
d.data = data;
d.length = len;
return d;
}
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