lib/kadm5/get_princs_c.c

   1 /*
   2  * Copyright (c) 1997 - 1999 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_c_get_principals(void *server_handle,
  40                        const char *expression,
  41                        char ***princs,
  42                        int *count)
  43 {
  44     kadm5_client_context *context = server_handle;
  45     kadm5_ret_t ret;
  46     krb5_storage *sp;
  47     unsigned char buf[1024];
  48     int32_t tmp;
  49     krb5_data reply;
  50
  51     ret = _kadm5_connect(server_handle);
  52     if(ret)
  53         return ret;
  54
  55     sp = krb5_storage_from_mem(buf, sizeof(buf));
  56     if (sp == NULL)
  57         return ENOMEM;
  58     krb5_store_int32(sp, kadm_get_princs);
  59     krb5_store_int32(sp, expression != NULL);
  60     if(expression)
  61         krb5_store_string(sp, expression);
  62     ret = _kadm5_client_send(context, sp);
  63     krb5_storage_free(sp);
  64     if (ret)
  65         return ret;
  66     ret = _kadm5_client_recv(context, &reply);
  67     if(ret)
  68         return ret;
  69     sp = krb5_storage_from_data (&reply);
  70     if (sp == NULL) {
  71         krb5_data_free (&reply);
  72         return ENOMEM;
  73     }
  74     krb5_ret_int32(sp, &tmp);
  75     ret = tmp;
  76     if(ret == 0) {
  77         int i;
  78         krb5_ret_int32(sp, &tmp);
  79         *princs = calloc(tmp + 1, sizeof(**princs));
  80         if (*princs == NULL) {
  81             ret = ENOMEM;
  82             goto out;
  83         }
  84         for(i = 0; i < tmp; i++)
  85             krb5_ret_string(sp, &(*princs)[i]);
  86         *count = tmp;
  87     }
  88 out:
  89     krb5_storage_free(sp);
  90     krb5_data_free (&reply);
  91     return ret;
  92 }