| 1 | /*
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| 2 | * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
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| 3 | * (Royal Institute of Technology, Stockholm, Sweden).
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * 1. Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | *
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer in the
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| 15 | * documentation and/or other materials provided with the distribution.
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| 16 | *
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| 17 | * 3. Neither the name of the Institute nor the names of its contributors
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| 18 | * may be used to endorse or promote products derived from this software
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| 19 | * without specific prior written permission.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 31 | * SUCH DAMAGE.
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| 32 | */
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| 33 |
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| 34 | #include "ktutil_locl.h"
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| 35 |
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| 36 | RCSID("$Id$");
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| 37 |
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| 38 | int
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| 39 | kt_remove(struct remove_options *opt, int argc, char **argv)
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| 40 | {
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| 41 | krb5_error_code ret = 0;
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| 42 | krb5_keytab_entry entry;
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| 43 | krb5_keytab keytab;
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| 44 | krb5_principal principal = NULL;
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| 45 | krb5_enctype enctype = 0;
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| 46 |
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| 47 | if(opt->principal_string) {
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| 48 | ret = krb5_parse_name(context, opt->principal_string, &principal);
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| 49 | if(ret) {
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| 50 | krb5_warn(context, ret, "%s", opt->principal_string);
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| 51 | return 1;
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| 52 | }
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| 53 | }
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| 54 | if(opt->enctype_string) {
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| 55 | ret = krb5_string_to_enctype(context, opt->enctype_string, &enctype);
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| 56 | if(ret) {
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| 57 | int t;
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| 58 | if(sscanf(opt->enctype_string, "%d", &t) == 1)
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| 59 | enctype = t;
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| 60 | else {
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| 61 | krb5_warn(context, ret, "%s", opt->enctype_string);
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| 62 | if(principal)
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| 63 | krb5_free_principal(context, principal);
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| 64 | return 1;
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| 65 | }
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| 66 | }
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| 67 | }
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| 68 | if (!principal && !enctype && !opt->kvno_integer) {
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| 69 | krb5_warnx(context,
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| 70 | "You must give at least one of "
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| 71 | "principal, enctype or kvno.");
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| 72 | ret = EINVAL;
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| 73 | goto out;
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| 74 | }
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| 75 |
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| 76 | if((keytab = ktutil_open_keytab()) == NULL) {
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| 77 | ret = 1;
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| 78 | goto out;
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| 79 | }
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| 80 |
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| 81 | entry.principal = principal;
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| 82 | entry.keyblock.keytype = enctype;
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| 83 | entry.vno = opt->kvno_integer;
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| 84 | ret = krb5_kt_remove_entry(context, keytab, &entry);
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| 85 | krb5_kt_close(context, keytab);
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| 86 | if(ret)
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| 87 | krb5_warn(context, ret, "remove");
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| 88 | out:
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| 89 | if(principal)
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| 90 | krb5_free_principal(context, principal);
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| 91 | return ret != 0;
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| 92 | }
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| 93 |
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