1 /* 2 * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan 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("$Id$"); 37 38 int 39 kt_remove(struct remove_options *opt, int argc, char **argv) 40 { 41 krb5_error_code ret = 0; 42 krb5_keytab_entry entry; 43 krb5_keytab keytab; 44 krb5_principal principal = NULL; 45 krb5_enctype enctype = 0; 46 47 if(opt->principal_string) { 48 ret = krb5_parse_name(context, opt->principal_string, &principal); 49 if(ret) { 50 krb5_warn(context, ret, "%s", opt->principal_string); 51 return 1; 52 } 53 } 54 if(opt->enctype_string) { 55 ret = krb5_string_to_enctype(context, opt->enctype_string, &enctype); 56 if(ret) { 57 int t; 58 if(sscanf(opt->enctype_string, "%d", &t) == 1) 59 enctype = t; 60 else { 61 krb5_warn(context, ret, "%s", opt->enctype_string); 62 if(principal) 63 krb5_free_principal(context, principal); 64 return 1; 65 } 66 } 67 } 68 if (!principal && !enctype && !opt->kvno_integer) { 69 krb5_warnx(context, 70 "You must give at least one of " 71 "principal, enctype or kvno."); 72 ret = EINVAL; 73 goto out; 74 } 75 76 if((keytab = ktutil_open_keytab()) == NULL) { 77 ret = 1; 78 goto out; 79 } 80 81 entry.principal = principal; 82 entry.keyblock.keytype = enctype; 83 entry.vno = opt->kvno_integer; 84 ret = krb5_kt_remove_entry(context, keytab, &entry); 85 krb5_kt_close(context, keytab); 86 if(ret) 87 krb5_warn(context, ret, "remove"); 88 out: 89 if(principal) 90 krb5_free_principal(context, principal); 91 return ret != 0; 92 } 93 94