source4/heimdal/lib/gssapi/mech/gss_release_name.c

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