1 /* $NetBSD: remove.c,v 1.1.1.1 2011/04/13 18:14:32 elric Exp $ */ 2 3 /* 4 * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan 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: remove.c,v 1.1.1.1 2011/04/13 18:14:32 elric Exp $"); 39 40 int 41 kt_remove(struct remove_options *opt, int argc, char **argv) 42 { 43 krb5_error_code ret = 0; 44 krb5_keytab_entry entry; 45 krb5_keytab keytab; 46 krb5_principal principal = NULL; 47 krb5_enctype enctype = 0; 48 49 if(opt->principal_string) { 50 ret = krb5_parse_name(context, opt->principal_string, &principal); 51 if(ret) { 52 krb5_warn(context, ret, "%s", opt->principal_string); 53 return 1; 54 } 55 } 56 if(opt->enctype_string) { 57 ret = krb5_string_to_enctype(context, opt->enctype_string, &enctype); 58 if(ret) { 59 int t; 60 if(sscanf(opt->enctype_string, "%d", &t) == 1) 61 enctype = t; 62 else { 63 krb5_warn(context, ret, "%s", opt->enctype_string); 64 if(principal) 65 krb5_free_principal(context, principal); 66 return 1; 67 } 68 } 69 } 70 if (!principal && !enctype && !opt->kvno_integer) { 71 krb5_warnx(context, 72 "You must give at least one of " 73 "principal, enctype or kvno."); 74 ret = EINVAL; 75 goto out; 76 } 77 78 if((keytab = ktutil_open_keytab()) == NULL) { 79 ret = 1; 80 goto out; 81 } 82 83 entry.principal = principal; 84 entry.keyblock.keytype = enctype; 85 entry.vno = opt->kvno_integer; 86 ret = krb5_kt_remove_entry(context, keytab, &entry); 87 krb5_kt_close(context, keytab); 88 if(ret) 89 krb5_warn(context, ret, "remove"); 90 out: 91 if(principal) 92 krb5_free_principal(context, principal); 93 return ret != 0; 94 } 95 96