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

   1 /*      $NetBSD: gss_canonicalize_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_canonicalize_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
  29  */
  30
  31 #include "mech_locl.h"
  32
  33 /**
  34  *  gss_canonicalize_name takes a Internal Name (IN) and converts in into a
  35  *  mechanism specific Mechanism Name (MN).
  36  *
  37  *  The input name may multiple name, or generic name types.
  38  *
  39  *  If the input_name if of the GSS_C_NT_USER_NAME, and the Kerberos
  40  *  mechanism is specified, the resulting MN type is a
  41  *  GSS_KRB5_NT_PRINCIPAL_NAME.
  42  *
  43  *  For more information about @ref internalVSmechname.
  44  *
  45  *  @param minor_status minor status code.
  46  *  @param input_name name to covert, unchanged by gss_canonicalize_name().
  47  *  @param mech_type the type to convert Name too.
  48  *  @param output_name the resulting type, release with
  49  *         gss_release_name(), independent of input_name.
  50  *
  51  *  @returns a gss_error code, see gss_display_status() about printing
  52  *         the error code.
  53  *
  54  *  @ingroup gssapi
  55  */
  56
  57 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
  58 gss_canonicalize_name(OM_uint32 *minor_status,
  59     const gss_name_t input_name,
  60     const gss_OID mech_type,
  61     gss_name_t *output_name)
  62 {
  63         OM_uint32 major_status;
  64         struct _gss_name *name = (struct _gss_name *) input_name;
  65         struct _gss_mechanism_name *mn;
  66         gssapi_mech_interface m;
  67         gss_name_t new_canonical_name;
  68
  69         *minor_status = 0;
  70         *output_name = 0;
  71
  72         major_status = _gss_find_mn(minor_status, name, mech_type, &mn);
  73         if (major_status)
  74                 return major_status;
  75
  76         m = mn->gmn_mech;
  77         major_status = m->gm_canonicalize_name(minor_status,
  78             mn->gmn_name, mech_type, &new_canonical_name);
  79         if (major_status) {
  80                 _gss_mg_error(m, major_status, *minor_status);
  81                 return (major_status);
  82         }
  83
  84         /*
  85          * Now we make a new name and mark it as an MN.
  86          */
  87         *minor_status = 0;
  88         name = malloc(sizeof(struct _gss_name));
  89         if (!name) {
  90                 m->gm_release_name(minor_status, &new_canonical_name);
  91                 *minor_status = ENOMEM;
  92                 return (GSS_S_FAILURE);
  93         }
  94         memset(name, 0, sizeof(struct _gss_name));
  95
  96         mn = malloc(sizeof(struct _gss_mechanism_name));
  97         if (!mn) {
  98                 m->gm_release_name(minor_status, &new_canonical_name);
  99                 free(name);
 100                 *minor_status = ENOMEM;
 101                 return (GSS_S_FAILURE);
 102         }
 103
 104         HEIM_SLIST_INIT(&name->gn_mn);
 105         mn->gmn_mech = m;
 106         mn->gmn_mech_oid = &m->gm_mech_oid;
 107         mn->gmn_name = new_canonical_name;
 108         HEIM_SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
 109
 110         *output_name = (gss_name_t) name;
 111
 112         return (GSS_S_COMPLETE);
 113 }