1/* $NetBSD: rename.c,v 1.2 2017/01/28 21:31:44 christos Exp $ */ 2 3/* 4 * Copyright (c) 2001-2004 Kungliga Tekniska H��gskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "ktutil_locl.h" 37 38__RCSID("$NetBSD: rename.c,v 1.2 2017/01/28 21:31:44 christos Exp $"); 39 40int 41kt_rename(struct rename_options *opt, int argc, char **argv) 42{ 43 krb5_error_code ret = 0; 44 krb5_keytab_entry entry; 45 krb5_keytab keytab; 46 krb5_kt_cursor cursor; 47 krb5_principal from_princ, to_princ; 48 49 ret = krb5_parse_name(context, argv[0], &from_princ); 50 if(ret != 0) { 51 krb5_warn(context, ret, "%s", argv[0]); 52 return 1; 53 } 54 55 ret = krb5_parse_name(context, argv[1], &to_princ); 56 if(ret != 0) { 57 krb5_free_principal(context, from_princ); 58 krb5_warn(context, ret, "%s", argv[1]); 59 return 1; 60 } 61 62 if((keytab = ktutil_open_keytab()) == NULL) { 63 krb5_free_principal(context, from_princ); 64 krb5_free_principal(context, to_princ); 65 return 1; 66 } 67 68 ret = krb5_kt_start_seq_get(context, keytab, &cursor); 69 if(ret) { 70 krb5_kt_close(context, keytab); 71 krb5_free_principal(context, from_princ); 72 krb5_free_principal(context, to_princ); 73 return 1; 74 } 75 while(1) { 76 ret = krb5_kt_next_entry(context, keytab, &entry, &cursor); 77 if(ret != 0) { 78 if(ret != KRB5_CC_END && ret != KRB5_KT_END) 79 krb5_warn(context, ret, "getting entry from keytab"); 80 else 81 ret = 0; 82 break; 83 } 84 if(krb5_principal_compare(context, entry.principal, from_princ)) { 85 krb5_free_principal(context, entry.principal); 86 entry.principal = to_princ; 87 ret = krb5_kt_add_entry(context, keytab, &entry); 88 if(ret) { 89 entry.principal = NULL; 90 krb5_kt_free_entry(context, &entry); 91 krb5_warn(context, ret, "adding entry"); 92 break; 93 } 94 if (opt->delete_flag) { 95 entry.principal = from_princ; 96 ret = krb5_kt_remove_entry(context, keytab, &entry); 97 if(ret) { 98 entry.principal = NULL; 99 krb5_kt_free_entry(context, &entry); 100 krb5_warn(context, ret, "removing entry"); 101 break; 102 } 103 } 104 entry.principal = NULL; 105 } 106 krb5_kt_free_entry(context, &entry); 107 } 108 krb5_kt_end_seq_get(context, keytab, &cursor); 109 110 krb5_free_principal(context, from_princ); 111 krb5_free_principal(context, to_princ); 112 113 return ret != 0; 114} 115 116