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/* $OpenBSD: afskrb.c,v 1.2 1997/12/12 11:46:31 art Exp $ */
/* $KTH: afskrb.c,v 1.8 1997/10/14 23:00:39 joda Exp $ */
/*
* Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Kungliga Tekniska
* Högskolan and its contributors.
*
* 4. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "kafs_locl.h"
struct krb_kafs_data {
const char *realm;
};
static int
get_cred(kafs_data *data, const char *name, const char *inst,
const char *realm, CREDENTIALS *c)
{
KTEXT_ST tkt;
int ret = krb_get_cred((char*)name, (char*)inst, (char*)realm, c);
if (ret) {
ret = krb_mk_req(&tkt, (char*)name, (char*)inst, (char*)realm, 0);
if (ret == KSUCCESS)
ret = krb_get_cred((char*)name, (char*)inst, (char*)realm, c);
}
return ret;
}
static int
afslog_uid_int(kafs_data *data, const char *cell, uid_t uid)
{
int ret;
CREDENTIALS c;
struct krb_kafs_data *d = data->data;
char realm[REALM_SZ], *lrealm;
if (cell == 0 || cell[0] == 0)
return _kafs_afslog_all_local_cells (data, uid);
ret = krb_get_lrealm(realm , 0);
if(ret == KSUCCESS && (d->realm == NULL || strcmp(d->realm, realm)))
lrealm = realm;
else
lrealm = NULL;
ret = _kafs_get_cred(data, cell, d->realm, lrealm, &c);
if(ret == 0)
ret = kafs_settoken(cell, uid, &c);
return ret;
}
static char *
get_realm(kafs_data *data, const char *host)
{
char *r = krb_realmofhost(host);
if(r != NULL)
return strdup(r);
return NULL;
}
int
krb_afslog_uid(const char *cell, const char *realm, uid_t uid)
{
kafs_data kd;
struct krb_kafs_data d;
kd.afslog_uid = afslog_uid_int;
kd.get_cred = get_cred;
kd.get_realm = get_realm;
kd.data = &d;
d.realm = realm;
return afslog_uid_int(&kd, cell, uid);
}
int
krb_afslog(const char *cell, const char *realm)
{
return krb_afslog_uid (cell, realm, getuid());
}
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