138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
/*
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* Copyright (c) 1995 - 2001 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "kafs_locl.h"
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RCSID("$Id: afskrb.c,v 1.15 2001/10/24 19:36:27 assar Exp $");
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struct krb_kafs_data {
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const char *realm;
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};
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static int
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get_cred(kafs_data *data, const char *name, const char *inst,
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const char *realm, CREDENTIALS *c)
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{
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KTEXT_ST tkt;
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int ret = krb_get_cred((char*)name, (char*)inst, (char*)realm, c);
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if (ret) {
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ret = krb_mk_req(&tkt, (char*)name, (char*)inst, (char*)realm, 0);
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if (ret == KSUCCESS)
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ret = krb_get_cred((char*)name, (char*)inst, (char*)realm, c);
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}
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return ret;
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}
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static int
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afslog_uid_int(kafs_data *data,
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const char *cell,
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const char *realm_hint,
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uid_t uid,
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const char *homedir)
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{
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int ret;
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CREDENTIALS c;
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char name[ANAME_SZ];
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char inst[INST_SZ];
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char realm[REALM_SZ];
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if (cell == 0 || cell[0] == 0)
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return _kafs_afslog_all_local_cells (data, uid, homedir);
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/* Extract realm from ticket file. */
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ret = krb_get_tf_fullname(tkt_string(), name, inst, realm);
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if (ret != KSUCCESS)
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return ret;
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ret = _kafs_get_cred(data, cell, realm_hint, realm, &c);
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if (ret == 0)
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ret = kafs_settoken(cell, uid, &c);
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return ret;
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}
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static char *
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get_realm(kafs_data *data, const char *host)
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{
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char *r = krb_realmofhost(host);
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if(r != NULL)
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return strdup(r);
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else
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return NULL;
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}
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int
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krb_afslog_uid_home(const char *cell, const char *realm_hint, uid_t uid,
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const char *homedir)
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{
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kafs_data kd;
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kd.afslog_uid = afslog_uid_int;
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kd.get_cred = get_cred;
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kd.get_realm = get_realm;
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kd.data = 0;
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return afslog_uid_int(&kd, cell, realm_hint, uid, homedir);
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}
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int
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krb_afslog_uid(const char *cell, const char *realm_hint, uid_t uid)
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{
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return krb_afslog_uid_home(cell, realm_hint, uid, NULL);
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}
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int
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krb_afslog(const char *cell, const char *realm_hint)
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{
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return krb_afslog_uid(cell, realm_hint, getuid());
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}
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int
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krb_afslog_home(const char *cell, const char *realm_hint, const char *homedir)
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{
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return krb_afslog_uid_home(cell, realm_hint, getuid(), homedir);
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}
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/*
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*
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*/
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int
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krb_realm_of_cell(const char *cell, char **realm)
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{
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kafs_data kd;
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kd.get_realm = get_realm;
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return _kafs_realm_of_cell(&kd, cell, realm);
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}
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