Line data    Source code

       1             : /*
       2             :  * Copyright (c) 1997, 1999, 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           0 : OM_uint32 GSSAPI_CALLCONV _gsskrb5_export_name
      37             :            (OM_uint32  * minor_status,
      38             :             gss_const_name_t input_name,
      39             :             gss_buffer_t exported_name
      40             :            )
      41             : {
      42           0 :     krb5_context context;
      43           0 :     krb5_const_principal princ = (krb5_const_principal)input_name;
      44           0 :     krb5_error_code kret;
      45           0 :     char *buf, *name;
      46           0 :     size_t len;
      47             : 
      48           0 :     GSSAPI_KRB5_INIT (&context);
      49             : 
      50           0 :     kret = krb5_unparse_name (context, princ, &name);
      51           0 :     if (kret) {
      52           0 :         *minor_status = kret;
      53           0 :         return GSS_S_FAILURE;
      54             :     }
      55           0 :     len = strlen (name);
      56             : 
      57           0 :     exported_name->length = 10 + len + GSS_KRB5_MECHANISM->length;
      58           0 :     exported_name->value  = malloc(exported_name->length);
      59           0 :     if (exported_name->value == NULL) {
      60           0 :         free (name);
      61           0 :         *minor_status = ENOMEM;
      62           0 :         return GSS_S_FAILURE;
      63             :     }
      64             : 
      65             :     /* TOK, MECH_OID_LEN, DER(MECH_OID), NAME_LEN, NAME */
      66             : 
      67           0 :     buf = exported_name->value;
      68           0 :     memcpy(buf, "\x04\x01", 2);
      69           0 :     buf += 2;
      70           0 :     buf[0] = ((GSS_KRB5_MECHANISM->length + 2) >> 8) & 0xff;
      71           0 :     buf[1] = (GSS_KRB5_MECHANISM->length + 2) & 0xff;
      72           0 :     buf+= 2;
      73           0 :     buf[0] = 0x06;
      74           0 :     buf[1] = (GSS_KRB5_MECHANISM->length) & 0xFF;
      75           0 :     buf+= 2;
      76             : 
      77           0 :     memcpy(buf, GSS_KRB5_MECHANISM->elements, GSS_KRB5_MECHANISM->length);
      78           0 :     buf += GSS_KRB5_MECHANISM->length;
      79             : 
      80           0 :     buf[0] = (len >> 24) & 0xff;
      81           0 :     buf[1] = (len >> 16) & 0xff;
      82           0 :     buf[2] = (len >> 8) & 0xff;
      83           0 :     buf[3] = (len) & 0xff;
      84           0 :     buf += 4;
      85             : 
      86           0 :     memcpy (buf, name, len);
      87             : 
      88           0 :     free (name);
      89             : 
      90           0 :     *minor_status = 0;
      91           0 :     return GSS_S_COMPLETE;
      92             : }