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/*
* Copyright (c) 2001-2004 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 "ktutil_locl.h"
RCSID("$Id: rename.c 14260 2004-09-23 14:45:29Z joda $");
int
kt_rename(void *opt, int argc, char **argv)
{
krb5_error_code ret = 0;
krb5_keytab_entry entry;
krb5_keytab keytab;
krb5_kt_cursor cursor;
krb5_principal from_princ, to_princ;
ret = krb5_parse_name(context, argv[0], &from_princ);
if(ret != 0) {
krb5_warn(context, ret, "%s", argv[0]);
return 1;
}
ret = krb5_parse_name(context, argv[1], &to_princ);
if(ret != 0) {
krb5_free_principal(context, from_princ);
krb5_warn(context, ret, "%s", argv[1]);
return 1;
}
if((keytab = ktutil_open_keytab()) == NULL) {
krb5_free_principal(context, from_princ);
krb5_free_principal(context, to_princ);
return 1;
}
ret = krb5_kt_start_seq_get(context, keytab, &cursor);
if(ret) {
krb5_kt_close(context, keytab);
krb5_free_principal(context, from_princ);
krb5_free_principal(context, to_princ);
return 1;
}
while(1) {
ret = krb5_kt_next_entry(context, keytab, &entry, &cursor);
if(ret != 0) {
if(ret != KRB5_CC_END && ret != KRB5_KT_END)
krb5_warn(context, ret, "getting entry from keytab");
else
ret = 0;
break;
}
if(krb5_principal_compare(context, entry.principal, from_princ)) {
krb5_free_principal(context, entry.principal);
entry.principal = to_princ;
ret = krb5_kt_add_entry(context, keytab, &entry);
if(ret) {
entry.principal = NULL;
krb5_kt_free_entry(context, &entry);
krb5_warn(context, ret, "adding entry");
break;
}
entry.principal = from_princ;
ret = krb5_kt_remove_entry(context, keytab, &entry);
if(ret) {
entry.principal = NULL;
krb5_kt_free_entry(context, &entry);
krb5_warn(context, ret, "removing entry");
break;
}
entry.principal = NULL;
}
krb5_kt_free_entry(context, &entry);
}
krb5_kt_end_seq_get(context, keytab, &cursor);
krb5_free_principal(context, from_princ);
krb5_free_principal(context, to_princ);
return ret != 0;
}
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