Files
heimdal/kdc/hprop-common.c
Johan Danielsson 0f89773eee Common hprop-functions.
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2863 ec53bebd-3082-4978-b11e-865c3cabbd6b
1997-08-09 20:35:32 +00:00

94 lines
3.2 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Kungliga Tekniska
* Högskolan and its contributors.
*
* 4. 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 "hprop.h"
RCSID("$Id$");
krb5_error_code
send_priv(krb5_context context, krb5_auth_context ac,
krb5_data *data, int fd)
{
krb5_data packet;
krb5_error_code ret;
unsigned char net_len[4];
ret = krb5_mk_priv (context,
ac,
data,
&packet,
NULL);
if (ret)
return ret;
net_len[0] = (packet.length >> 24) & 0xff;
net_len[1] = (packet.length >> 16) & 0xff;
net_len[2] = (packet.length >> 8) & 0xff;
net_len[3] = packet.length & 0xff;
if (krb5_net_write (context, fd, net_len, 4) != 4)
ret = errno;
else if (krb5_net_write (context, fd, packet.data, packet.length) != packet.length)
ret = errno;
krb5_data_free(&packet);
return ret;
}
krb5_error_code
recv_priv(krb5_context context, krb5_auth_context ac, int fd, krb5_data *out)
{
krb5_error_code ret;
unsigned char tmp[4];
unsigned char *buf;
size_t len;
krb5_data data;
hdb_entry entry;
if(krb5_net_read(context, fd, tmp, 4) != 4)
return errno;
len = (tmp[0] << 24) | (tmp[1] << 16) | (tmp[2] << 8) | tmp[3];
buf = malloc(len);
if(krb5_net_read(context, fd, buf, len) != len)
return errno;
data.data = buf;
data.length = len;
ret = krb5_rd_priv(context, ac, &data, out, NULL);
if(ret) return ret;
free(buf);
return 0;
}