crypto/dist/heimdal/lib/kadm5/send_recv.c

   1 /*
   2  * Copyright (c) 1997-2003, 2006 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("$Heimdal: send_recv.c 17311 2006-04-27 11:10:07Z lha $"
  37         "$NetBSD$");
  38
  39 kadm5_ret_t
  40 _kadm5_client_send(kadm5_client_context *context, krb5_storage *sp)
  41 {
  42     krb5_data msg, out;
  43     krb5_error_code ret;
  44     size_t len;
  45     krb5_storage *sock;
  46
  47     assert(context->sock != -1);
  48
  49     len = krb5_storage_seek(sp, 0, SEEK_CUR);
  50     ret = krb5_data_alloc(&msg, len);
  51     if (ret) {
  52         krb5_clear_error_string(context->context);
  53         return ret;
  54     }
  55     krb5_storage_seek(sp, 0, SEEK_SET);
  56     krb5_storage_read(sp, msg.data, msg.length);
  57
  58     ret = krb5_mk_priv(context->context, context->ac, &msg, &out, NULL);
  59     krb5_data_free(&msg);
  60     if(ret)
  61         return ret;
  62
  63     sock = krb5_storage_from_fd(context->sock);
  64     if(sock == NULL) {
  65         krb5_clear_error_string(context->context);
  66         krb5_data_free(&out);
  67         return ENOMEM;
  68     }
  69
  70     ret = krb5_store_data(sock, out);
  71     if (ret)
  72         krb5_clear_error_string(context->context);
  73     krb5_storage_free(sock);
  74     krb5_data_free(&out);
  75     return ret;
  76 }
  77
  78 kadm5_ret_t
  79 _kadm5_client_recv(kadm5_client_context *context, krb5_data *reply)
  80 {
  81     krb5_error_code ret;
  82     krb5_data data;
  83     krb5_storage *sock;
  84
  85     sock = krb5_storage_from_fd(context->sock);
  86     if(sock == NULL) {
  87         krb5_clear_error_string(context->context);
  88         return ENOMEM;
  89     }
  90     ret = krb5_ret_data(sock, &data);
  91     krb5_storage_free(sock);
  92     krb5_clear_error_string(context->context);
  93     if(ret == KRB5_CC_END)
  94         return KADM5_RPC_ERROR;
  95     else if(ret)
  96         return ret;
  97
  98     ret = krb5_rd_priv(context->context, context->ac, &data, reply, NULL);
  99     krb5_data_free(&data);
 100     return ret;
 101 }
 102