crypto/heimdal-0.6.3/lib/kadm5/send_recv.c

   1 /*
   2  * Copyright (c) 1997-2003 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "kadm5_locl.h"
  35
  36 RCSID("$Id: send_recv.c,v 1.10 2003/04/16 17:58:59 lha Exp $");
  37
  38 kadm5_ret_t
  39 _kadm5_client_send(kadm5_client_context *context, krb5_storage *sp)
  40 {
  41     krb5_data msg, out;
  42     krb5_error_code ret;
  43     size_t len;
  44     krb5_storage *sock;
  45
  46     assert(context->sock != -1);
  47
  48     len = krb5_storage_seek(sp, 0, SEEK_CUR);
  49     ret = krb5_data_alloc(&msg, len);
  50     if (ret)
  51         return ret;
  52     krb5_storage_seek(sp, 0, SEEK_SET);
  53     krb5_storage_read(sp, msg.data, msg.length);
  54
  55     ret = krb5_mk_priv(context->context, context->ac, &msg, &out, NULL);
  56     krb5_data_free(&msg);
  57     if(ret)
  58         return ret;
  59
  60     sock = krb5_storage_from_fd(context->sock);
  61     if(sock == NULL) {
  62         krb5_data_free(&out);
  63         return ENOMEM;
  64     }
  65
  66     ret = krb5_store_data(sock, out);
  67     krb5_storage_free(sock);
  68     krb5_data_free(&out);
  69     return ret;
  70 }
  71
  72 kadm5_ret_t
  73 _kadm5_client_recv(kadm5_client_context *context, krb5_data *reply)
  74 {
  75     krb5_error_code ret;
  76     krb5_data data;
  77     krb5_storage *sock;
  78
  79     sock = krb5_storage_from_fd(context->sock);
  80     if(sock == NULL)
  81         return ENOMEM;
  82     ret = krb5_ret_data(sock, &data);
  83     krb5_storage_free(sock);
  84     if(ret == KRB5_CC_END)
  85         return KADM5_RPC_ERROR;
  86     else if(ret)
  87         return ret;
  88
  89     ret = krb5_rd_priv(context->context, context->ac, &data, reply, NULL);
  90     krb5_data_free(&data);
  91     return ret;
  92 }
  93