diff --git a/kdc/hprop-common.c b/kdc/hprop-common.c new file mode 100644 index 000000000..9f6b5040d --- /dev/null +++ b/kdc/hprop-common.c @@ -0,0 +1,93 @@ +/* + * 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; +}