crypto/external/bsd/heimdal/dist/lib/gssapi/mech/gss_release_name.c

   1 /*      $NetBSD: gss_release_name.c,v 1.1.1.2 2014/04/24 12:45:29 pettai Exp $  */
   2
   3 /*-
   4  * Copyright (c) 2005 Doug Rabson
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  *      $FreeBSD: src/lib/libgssapi/gss_release_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
  29  */
  30
  31 #include "mech_locl.h"
  32
  33 /**
  34  * Free a name
  35  *
  36  * import_name can point to NULL or be NULL, or a pointer to a
  37  * gss_name_t structure. If it was a pointer to gss_name_t, the
  38  * pointer will be set to NULL on success and failure.
  39  *
  40  * @param minor_status minor status code
  41  * @param input_name name to free
  42  *
  43  * @returns a gss_error code, see gss_display_status() about printing
  44  *        the error code.
  45  *
  46  * @ingroup gssapi
  47  */
  48 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
  49 gss_release_name(OM_uint32 *minor_status,
  50     gss_name_t *input_name)
  51 {
  52         struct _gss_name *name;
  53
  54         *minor_status = 0;
  55
  56         if (input_name == NULL || *input_name == NULL)
  57             return GSS_S_COMPLETE;
  58
  59         name = (struct _gss_name *) *input_name;
  60
  61         if (name->gn_type.elements)
  62                 free(name->gn_type.elements);
  63         while (HEIM_SLIST_FIRST(&name->gn_mn)) {
  64                 struct _gss_mechanism_name *mn;
  65                 mn = HEIM_SLIST_FIRST(&name->gn_mn);
  66                 HEIM_SLIST_REMOVE_HEAD(&name->gn_mn, gmn_link);
  67                 mn->gmn_mech->gm_release_name(minor_status,
  68                                               &mn->gmn_name);
  69                 free(mn);
  70         }
  71         gss_release_buffer(minor_status, &name->gn_value);
  72         free(name);
  73         *input_name = GSS_C_NO_NAME;
  74
  75         return (GSS_S_COMPLETE);
  76 }