lib/gssapi/krb5/display_name.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 "gsskrb5_locl.h"
  35
  36 OM_uint32 _gsskrb5_display_name
  37            (OM_uint32 * minor_status,
  38             const gss_name_t input_name,
  39             gss_buffer_t output_name_buffer,
  40             gss_OID * output_name_type
  41            )
  42 {
  43     krb5_context context;
  44     krb5_const_principal name = (krb5_const_principal)input_name;
  45     krb5_error_code kret;
  46     char *buf;
  47     size_t len;
  48
  49     GSSAPI_KRB5_INIT (&context);
  50
  51     kret = krb5_unparse_name_flags (context, name,
  52                                     KRB5_PRINCIPAL_UNPARSE_DISPLAY, &buf);
  53     if (kret) {
  54         *minor_status = kret;
  55         return GSS_S_FAILURE;
  56     }
  57     len = strlen (buf);
  58     output_name_buffer->length = len;
  59     output_name_buffer->value  = malloc(len + 1);
  60     if (output_name_buffer->value == NULL) {
  61         free (buf);
  62         *minor_status = ENOMEM;
  63         return GSS_S_FAILURE;
  64     }
  65     memcpy (output_name_buffer->value, buf, len);
  66     ((char *)output_name_buffer->value)[len] = '\0';
  67     free (buf);
  68     if (output_name_type)
  69         *output_name_type = GSS_KRB5_NT_PRINCIPAL_NAME;
  70     *minor_status = 0;
  71     return GSS_S_COMPLETE;
  72 }