129 lines
4.1 KiB
C
129 lines
4.1 KiB
C
/*
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* Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "ktutil_locl.h"
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RCSID("$Id: remove.c,v 1.2 2001/05/10 15:44:58 assar Exp $");
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int
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kt_remove(int argc, char **argv)
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{
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krb5_error_code ret = 0;
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krb5_keytab_entry entry;
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krb5_keytab keytab;
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char *principal_string = NULL;
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krb5_principal principal = NULL;
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int kvno = 0;
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char *keytype_string = NULL;
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krb5_enctype enctype = 0;
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int help_flag = 0;
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struct getargs args[] = {
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{ "principal", 'p', arg_string, NULL, "principal to remove" },
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{ "kvno", 'V', arg_integer, NULL, "key version to remove" },
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{ "enctype", 'e', arg_string, NULL, "enctype to remove" },
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{ "help", 'h', arg_flag, NULL }
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};
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int num_args = sizeof(args) / sizeof(args[0]);
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int optind = 0;
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int i = 0;
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args[i++].value = &principal_string;
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args[i++].value = &kvno;
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args[i++].value = &keytype_string;
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args[i++].value = &help_flag;
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if(getarg(args, num_args, argc, argv, &optind)) {
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arg_printusage(args, num_args, "ktutil remove", "");
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return 1;
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}
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if(help_flag) {
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arg_printusage(args, num_args, "ktutil remove", "");
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return 0;
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}
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if(principal_string) {
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ret = krb5_parse_name(context, principal_string, &principal);
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if(ret) {
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krb5_warn(context, ret, "%s", principal_string);
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return 1;
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}
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}
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if(keytype_string) {
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ret = krb5_string_to_enctype(context, keytype_string, &enctype);
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if(ret) {
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int t;
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if(sscanf(keytype_string, "%d", &t) == 1)
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enctype = t;
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else {
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krb5_warn(context, ret, "%s", keytype_string);
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if(principal)
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krb5_free_principal(context, principal);
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return 1;
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}
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}
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}
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if (!principal && !enctype && !kvno) {
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krb5_warnx(context,
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"You must give at least one of "
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"principal, enctype or kvno.");
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return 1;
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}
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if (keytab_string == NULL) {
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ret = krb5_kt_default_modify_name (context, keytab_buf,
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sizeof(keytab_buf));
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if (ret) {
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krb5_warn(context, ret, "krb5_kt_default_modify_name");
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return 1;
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}
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keytab_string = keytab_buf;
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}
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ret = krb5_kt_resolve(context, keytab_string, &keytab);
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if (ret) {
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krb5_warn(context, ret, "resolving keytab %s", keytab_string);
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return 1;
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}
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if (verbose_flag)
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fprintf (stderr, "Using keytab %s\n", keytab_string);
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entry.principal = principal;
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entry.keyblock.keytype = enctype;
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entry.vno = kvno;
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ret = krb5_kt_remove_entry(context, keytab, &entry);
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krb5_kt_close(context, keytab);
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if(ret)
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krb5_warn(context, ret, "remove");
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if(principal)
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krb5_free_principal(context, principal);
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return 0;
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}
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