freebsd-skq/crypto/heimdal/lib/krb5/misc.c
2008-05-07 13:39:42 +00:00

87 lines
2.8 KiB
C

/*
* Copyright (c) 1997 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 "krb5_locl.h"
RCSID("$Id: misc.c 21174 2007-06-19 10:10:58Z lha $");
krb5_error_code KRB5_LIB_FUNCTION
_krb5_s4u2self_to_checksumdata(krb5_context context,
const PA_S4U2Self *self,
krb5_data *data)
{
krb5_error_code ret;
krb5_ssize_t ssize;
krb5_storage *sp;
size_t size;
int i;
sp = krb5_storage_emem();
if (sp == NULL) {
krb5_clear_error_string(context);
return ENOMEM;
}
krb5_storage_set_flags(sp, KRB5_STORAGE_BYTEORDER_LE);
ret = krb5_store_int32(sp, self->name.name_type);
if (ret)
goto out;
for (i = 0; i < self->name.name_string.len; i++) {
size = strlen(self->name.name_string.val[i]);
ssize = krb5_storage_write(sp, self->name.name_string.val[i], size);
if (ssize != size) {
ret = ENOMEM;
goto out;
}
}
size = strlen(self->realm);
ssize = krb5_storage_write(sp, self->realm, size);
if (ssize != size) {
ret = ENOMEM;
goto out;
}
size = strlen(self->auth);
ssize = krb5_storage_write(sp, self->auth, size);
if (ssize != size) {
ret = ENOMEM;
goto out;
}
ret = krb5_storage_to_data(sp, data);
krb5_storage_free(sp);
return ret;
out:
krb5_clear_error_string(context);
return ret;
}