134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
/*
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* Copyright (c) 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 "ktutil_locl.h"
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RCSID("$Id: rename.c,v 1.1 2001/07/23 10:17:32 joda Exp $");
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int
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kt_rename(int argc, char **argv)
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{
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krb5_error_code ret = 0;
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krb5_keytab_entry entry;
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krb5_keytab keytab;
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krb5_kt_cursor cursor;
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krb5_principal from_princ, to_princ;
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int help_flag = 0;
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struct getargs args[] = {
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{ "help", 'h', arg_flag, NULL }
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};
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int num_args = sizeof(args) / sizeof(args[0]);
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int optind = 0;
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int i = 0;
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args[i++].value = &help_flag;
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if(getarg(args, num_args, argc, argv, &optind)) {
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arg_printusage(args, num_args, "ktutil rename", "from to");
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return 1;
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}
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if(help_flag) {
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arg_printusage(args, num_args, "ktutil rename", "from to");
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return 0;
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}
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argv += optind;
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argc -= optind;
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if(argc != 2) {
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arg_printusage(args, num_args, "ktutil rename", "from to");
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return 0;
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}
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ret = krb5_parse_name(context, argv[0], &from_princ);
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if(ret != 0) {
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krb5_warn(context, ret, "%s", argv[0]);
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return 0;
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}
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ret = krb5_parse_name(context, argv[1], &to_princ);
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if(ret != 0) {
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krb5_free_principal(context, from_princ);
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krb5_warn(context, ret, "%s", argv[1]);
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return 0;
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}
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if((keytab = ktutil_open_keytab()) == NULL) {
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krb5_free_principal(context, from_princ);
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krb5_free_principal(context, to_princ);
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return 1;
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}
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ret = krb5_kt_start_seq_get(context, keytab, &cursor);
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if(ret) {
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krb5_kt_close(context, keytab);
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krb5_free_principal(context, from_princ);
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krb5_free_principal(context, to_princ);
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return 1;
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}
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while(1) {
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ret = krb5_kt_next_entry(context, keytab, &entry, &cursor);
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if(ret != 0) {
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if(ret != KRB5_CC_END && ret != KRB5_KT_END)
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krb5_warn(context, ret, "getting entry from keytab");
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break;
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}
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if(krb5_principal_compare(context, entry.principal, from_princ)) {
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krb5_free_principal(context, entry.principal);
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entry.principal = to_princ;
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ret = krb5_kt_add_entry(context, keytab, &entry);
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if(ret) {
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entry.principal = NULL;
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krb5_kt_free_entry(context, &entry);
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krb5_warn(context, ret, "adding entry");
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break;
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}
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entry.principal = from_princ;
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ret = krb5_kt_remove_entry(context, keytab, &entry);
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if(ret) {
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entry.principal = NULL;
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krb5_kt_free_entry(context, &entry);
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krb5_warn(context, ret, "removing entry");
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break;
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}
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entry.principal = NULL;
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}
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krb5_kt_free_entry(context, &entry);
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}
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krb5_kt_end_seq_get(context, keytab, &cursor);
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krb5_free_principal(context, from_princ);
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krb5_free_principal(context, to_princ);
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return 0;
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}
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