freebsd-skq/crypto/heimdal/admin/remove.c
2008-05-07 13:39:42 +00:00

94 lines
3.0 KiB
C

/*
* Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "ktutil_locl.h"
RCSID("$Id: remove.c 17004 2006-04-07 13:06:37Z lha $");
int
kt_remove(struct remove_options *opt, int argc, char **argv)
{
krb5_error_code ret = 0;
krb5_keytab_entry entry;
krb5_keytab keytab;
krb5_principal principal = NULL;
krb5_enctype enctype = 0;
if(opt->principal_string) {
ret = krb5_parse_name(context, opt->principal_string, &principal);
if(ret) {
krb5_warn(context, ret, "%s", opt->principal_string);
return 1;
}
}
if(opt->enctype_string) {
ret = krb5_string_to_enctype(context, opt->enctype_string, &enctype);
if(ret) {
int t;
if(sscanf(opt->enctype_string, "%d", &t) == 1)
enctype = t;
else {
krb5_warn(context, ret, "%s", opt->enctype_string);
if(principal)
krb5_free_principal(context, principal);
return 1;
}
}
}
if (!principal && !enctype && !opt->kvno_integer) {
krb5_warnx(context,
"You must give at least one of "
"principal, enctype or kvno.");
ret = EINVAL;
goto out;
}
if((keytab = ktutil_open_keytab()) == NULL) {
ret = 1;
goto out;
}
entry.principal = principal;
entry.keyblock.keytype = enctype;
entry.vno = opt->kvno_integer;
ret = krb5_kt_remove_entry(context, keytab, &entry);
krb5_kt_close(context, keytab);
if(ret)
krb5_warn(context, ret, "remove");
out:
if(principal)
krb5_free_principal(context, principal);
return ret != 0;
}