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("$Id$");
  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         krb5_clear_error_message(context->context);
  52         return ret;
  53     }
  54     krb5_storage_seek(sp, 0, SEEK_SET);
  55     krb5_storage_read(sp, msg.data, msg.length);
  56
  57     ret = krb5_mk_priv(context->context, context->ac, &msg, &out, NULL);
  58     krb5_data_free(&msg);
  59     if(ret)
  60         return ret;
  61
  62     sock = krb5_storage_from_fd(context->sock);
  63     if(sock == NULL) {
  64         krb5_clear_error_message(context->context);
  65         krb5_data_free(&out);
  66         return ENOMEM;
  67     }
  68
  69     ret = krb5_store_data(sock, out);
  70     if (ret)
  71         krb5_clear_error_message(context->context);
  72     krb5_storage_free(sock);
  73     krb5_data_free(&out);
  74     return ret;
  75 }
  76
  77 kadm5_ret_t
  78 _kadm5_client_recv(kadm5_client_context *context, krb5_data *reply)
  79 {
  80     krb5_error_code ret;
  81     krb5_data data;
  82     krb5_storage *sock;
  83
  84     sock = krb5_storage_from_fd(context->sock);
  85     if(sock == NULL) {
  86         krb5_clear_error_message(context->context);
  87         return ENOMEM;
  88     }
  89     ret = krb5_ret_data(sock, &data);
  90     krb5_storage_free(sock);
  91     krb5_clear_error_message(context->context);
  92     if(ret == KRB5_CC_END)
  93         return KADM5_RPC_ERROR;
  94     else if(ret)
  95         return ret;
  96
  97     ret = krb5_rd_priv(context->context, context->ac, &data, reply, NULL);
  98     krb5_data_free(&data);
  99     return ret;
 100 }
 101