Home | History | Annotate | Line # | Download | only in kadm5 
      1 /*	$NetBSD: send_recv.c,v 1.2 2017/01/28 21:31:49 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997-2003, 2006 Kungliga Tekniska Hgskolan
      5  * (Royal Institute of Technology, Stockholm, Sweden).
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  *
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  *
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * 3. Neither the name of the Institute nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include "kadm5_locl.h"
     37 
     38 __RCSID("$NetBSD: send_recv.c,v 1.2 2017/01/28 21:31:49 christos Exp $");
     39 
     40 kadm5_ret_t
     41 _kadm5_client_send(kadm5_client_context *context, krb5_storage *sp)
     42 {
     43     krb5_data msg, out;
     44     krb5_error_code ret;
     45     size_t len;
     46     krb5_storage *sock;
     47 
     48     assert(context->sock != rk_INVALID_SOCKET);
     49 
     50     len = krb5_storage_seek(sp, 0, SEEK_CUR);
     51     ret = krb5_data_alloc(&msg, len);
     52     if (ret) {
     53 	krb5_clear_error_message(context->context);
     54 	return ret;
     55     }
     56     krb5_storage_seek(sp, 0, SEEK_SET);
     57     krb5_storage_read(sp, msg.data, msg.length);
     58 
     59     ret = krb5_mk_priv(context->context, context->ac, &msg, &out, NULL);
     60     krb5_data_free(&msg);
     61     if(ret)
     62 	return ret;
     63 
     64     sock = krb5_storage_from_socket(context->sock);
     65     if(sock == NULL) {
     66 	krb5_clear_error_message(context->context);
     67 	krb5_data_free(&out);
     68 	return ENOMEM;
     69     }
     70 
     71     ret = krb5_store_data(sock, out);
     72     if (ret)
     73 	krb5_clear_error_message(context->context);
     74     krb5_storage_free(sock);
     75     krb5_data_free(&out);
     76     return ret;
     77 }
     78 
     79 kadm5_ret_t
     80 _kadm5_client_recv(kadm5_client_context *context, krb5_data *reply)
     81 {
     82     krb5_error_code ret;
     83     krb5_data data;
     84     krb5_storage *sock;
     85 
     86     sock = krb5_storage_from_socket(context->sock);
     87     if(sock == NULL) {
     88 	krb5_clear_error_message(context->context);
     89 	return ENOMEM;
     90     }
     91     ret = krb5_ret_data(sock, &data);
     92     krb5_storage_free(sock);
     93     krb5_clear_error_message(context->context);
     94     if(ret == KRB5_CC_END)
     95 	return KADM5_RPC_ERROR;
     96     else if(ret)
     97 	return ret;
     98 
     99     ret = krb5_rd_priv(context->context, context->ac, &data, reply, NULL);
    100     krb5_data_free(&data);
    101     return ret;
    102 }
    103 
    104