1 /* 2 * Copyright (c) 1997 - 2001 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "ktutil_locl.h" 35 36 RCSID("$Id: remove.c,v 1.3 2001/07/23 09:46:41 joda Exp $"); 37 38 int 39 kt_remove(int argc, char **argv) 40 { 41 krb5_error_code ret = 0; 42 krb5_keytab_entry entry; 43 krb5_keytab keytab; 44 char *principal_string = NULL; 45 krb5_principal principal = NULL; 46 int kvno = 0; 47 char *keytype_string = NULL; 48 krb5_enctype enctype = 0; 49 int help_flag = 0; 50 struct getargs args[] = { 51 { "principal", 'p', arg_string, NULL, "principal to remove" }, 52 { "kvno", 'V', arg_integer, NULL, "key version to remove" }, 53 { "enctype", 'e', arg_string, NULL, "enctype to remove" }, 54 { "help", 'h', arg_flag, NULL } 55 }; 56 int num_args = sizeof(args) / sizeof(args[0]); 57 int optind = 0; 58 int i = 0; 59 args[i++].value = &principal_string; 60 args[i++].value = &kvno; 61 args[i++].value = &keytype_string; 62 args[i++].value = &help_flag; 63 if(getarg(args, num_args, argc, argv, &optind)) { 64 arg_printusage(args, num_args, "ktutil remove", ""); 65 return 1; 66 } 67 if(help_flag) { 68 arg_printusage(args, num_args, "ktutil remove", ""); 69 return 0; 70 } 71 if(principal_string) { 72 ret = krb5_parse_name(context, principal_string, &principal); 73 if(ret) { 74 krb5_warn(context, ret, "%s", principal_string); 75 return 1; 76 } 77 } 78 if(keytype_string) { 79 ret = krb5_string_to_enctype(context, keytype_string, &enctype); 80 if(ret) { 81 int t; 82 if(sscanf(keytype_string, "%d", &t) == 1) 83 enctype = t; 84 else { 85 krb5_warn(context, ret, "%s", keytype_string); 86 if(principal) 87 krb5_free_principal(context, principal); 88 return 1; 89 } 90 } 91 } 92 if (!principal && !enctype && !kvno) { 93 krb5_warnx(context, 94 "You must give at least one of " 95 "principal, enctype or kvno."); 96 return 1; 97 } 98 99 if((keytab = ktutil_open_keytab()) == NULL) 100 return 1; 101 102 entry.principal = principal; 103 entry.keyblock.keytype = enctype; 104 entry.vno = kvno; 105 ret = krb5_kt_remove_entry(context, keytab, &entry); 106 krb5_kt_close(context, keytab); 107 if(ret) 108 krb5_warn(context, ret, "remove"); 109 if(principal) 110 krb5_free_principal(context, principal); 111 return 0; 112 } 113 114