crypto/external/bsd/heimdal/dist/lib/gssapi/krb5/ccache_name.c

   1 /*      $NetBSD: ccache_name.c,v 1.1.1.1 2011/04/13 18:14:44 elric Exp $        */
   2
   3 /*
   4  * Copyright (c) 2004 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "gsskrb5_locl.h"
  37
  38 char *last_out_name;
  39
  40 OM_uint32
  41 _gsskrb5_krb5_ccache_name(OM_uint32 *minor_status,
  42                           const char *name,
  43                           const char **out_name)
  44 {
  45     krb5_context context;
  46     krb5_error_code kret;
  47
  48     *minor_status = 0;
  49
  50     GSSAPI_KRB5_INIT(&context);
  51
  52     if (out_name) {
  53         const char *n;
  54
  55         if (last_out_name) {
  56             free(last_out_name);
  57             last_out_name = NULL;
  58         }
  59
  60         n = krb5_cc_default_name(context);
  61         if (n == NULL) {
  62             *minor_status = ENOMEM;
  63             return GSS_S_FAILURE;
  64         }
  65         last_out_name = strdup(n);
  66         if (last_out_name == NULL) {
  67             *minor_status = ENOMEM;
  68             return GSS_S_FAILURE;
  69         }
  70         *out_name = last_out_name;
  71     }
  72
  73     kret = krb5_cc_set_default_name(context, name);
  74     if (kret) {
  75         *minor_status = kret;
  76         return GSS_S_FAILURE;
  77     }
  78     return GSS_S_COMPLETE;
  79 }