diff options
Diffstat (limited to 'crypto/heimdal/lib/45/get_ad_tkt.c')
| -rw-r--r-- | crypto/heimdal/lib/45/get_ad_tkt.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/45/get_ad_tkt.c b/crypto/heimdal/lib/45/get_ad_tkt.c new file mode 100644 index 0000000..3619606 --- /dev/null +++ b/crypto/heimdal/lib/45/get_ad_tkt.c @@ -0,0 +1,116 @@ +/* + * Copyright (c) 1997, 1999 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. 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 "45_locl.h" + +RCSID("$Id: get_ad_tkt.c,v 1.3 1999/12/02 17:05:01 joda Exp $"); + +/* get an additional version 4 ticket via the 524 protocol */ + +#ifndef NEVERDATE +#define NEVERDATE ((unsigned long)0x7fffffffL) +#endif + +int +get_ad_tkt(char *service, char *sinstance, char *realm, int lifetime) +{ + krb5_error_code ret; + int code; + krb5_context context; + krb5_ccache id; + krb5_creds in_creds, *out_creds; + CREDENTIALS cred; + time_t now; + char pname[ANAME_SZ], pinst[INST_SZ], prealm[REALM_SZ]; + + ret = krb5_init_context(&context); + if(ret) + return KFAILURE; + ret = krb5_cc_default(context, &id); + if(ret){ + krb5_free_context(context); + return KFAILURE; + } + memset(&in_creds, 0, sizeof(in_creds)); + now = time(NULL); + in_creds.times.endtime = krb_life_to_time(time(NULL), lifetime); + if(in_creds.times.endtime == NEVERDATE) + in_creds.times.endtime = 0; + ret = krb5_cc_get_principal(context, id, &in_creds.client); + if(ret){ + krb5_cc_close(context, id); + krb5_free_context(context); + return KFAILURE; + } + ret = krb5_524_conv_principal(context, in_creds.client, + pname, pinst, prealm); + if(ret){ + krb5_free_principal(context, in_creds.client); + krb5_cc_close(context, id); + krb5_free_context(context); + return KFAILURE; + } + ret = krb5_425_conv_principal(context, service, sinstance, realm, + &in_creds.server); + if(ret){ + krb5_free_principal(context, in_creds.client); + krb5_cc_close(context, id); + krb5_free_context(context); + return KFAILURE; + } + ret = krb5_get_credentials(context, + 0, + id, + &in_creds, + &out_creds); + krb5_free_principal(context, in_creds.client); + krb5_free_principal(context, in_creds.server); + if(ret){ + krb5_cc_close(context, id); + krb5_free_context(context); + return KFAILURE; + } + ret = krb524_convert_creds_kdc(context, id, out_creds, &cred); + krb5_cc_close(context, id); + krb5_free_context(context); + krb5_free_creds(context, out_creds); + if(ret) + return KFAILURE; + code = save_credentials(cred.service, cred.instance, cred.realm, + cred.session, cred.lifetime, cred.kvno, + &cred.ticket_st, now); + if(code == NO_TKT_FIL) + code = tf_setup(&cred, pname, pinst); + memset(&cred.session, 0, sizeof(cred.session)); + return code; +} |
