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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"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_KERBEROS
struct mit_samba_context *ks_get_context(krb5_context kcontext)
{
struct mit_samba_context *mit_ctx = NULL;
void *db_ctx = NULL;
krb5_error_code code;
code = krb5_db_get_context(kcontext, &db_ctx);
if (code != 0) {
return NULL;
}
mit_ctx = talloc_get_type_abort(db_ctx, struct mit_samba_context);
/*
* This is nomrally the starting point for Kerberos operations in
* MIT KRB5, so reset errno to 0 for possible com_err debug messages.
*/
errno = 0;
return mit_ctx;
}
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;
}
krb5_boolean ks_is_kadmin(krb5_context context,
krb5_const_principal princ)
{
return krb5_princ_size(context, princ) >= 1 &&
ks_data_eq_string(princ->data[0], "kadmin");
}
krb5_boolean ks_is_kadmin_history(krb5_context context,
krb5_const_principal princ)
{
return krb5_princ_size(context, princ) == 2 &&
ks_data_eq_string(princ->data[0], "kadmin") &&
ks_data_eq_string(princ->data[1], "history");
}
krb5_boolean ks_is_kadmin_changepw(krb5_context context,
krb5_const_principal princ)
{
return krb5_princ_size(context, princ) == 2 &&
ks_data_eq_string(princ->data[0], "kadmin") &&
ks_data_eq_string(princ->data[1], "changepw");
}
krb5_boolean ks_is_kadmin_admin(krb5_context context,
krb5_const_principal princ)
{
return krb5_princ_size(context, princ) == 2 &&
ks_data_eq_string(princ->data[0], "kadmin") &&
ks_data_eq_string(princ->data[1], "admin");
}
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