Line data    Source code

       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_canonicalize_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
      27             :  */
      28             : 
      29             : #include "mech_locl.h"
      30             : 
      31             : /**
      32             :  *  gss_canonicalize_name takes a Internal Name (IN) and converts in into a
      33             :  *  mechanism specific Mechanism Name (MN).
      34             :  *
      35             :  *  The input name may multiple name, or generic name types.
      36             :  *
      37             :  *  If the input_name if of the GSS_C_NT_USER_NAME, and the Kerberos
      38             :  *  mechanism is specified, the resulting MN type is a
      39             :  *  GSS_KRB5_NT_PRINCIPAL_NAME.
      40             :  *
      41             :  *  For more information about @ref internalVSmechname.
      42             :  *
      43             :  *  @param minor_status minor status code.
      44             :  *  @param input_name name to covert, unchanged by gss_canonicalize_name().
      45             :  *  @param mech_type the type to convert Name too.
      46             :  *  @param output_name the resulting type, release with
      47             :  *         gss_release_name(), independent of input_name.
      48             :  *
      49             :  *  @returns a gss_error code, see gss_display_status() about printing
      50             :  *         the error code.
      51             :  *
      52             :  *  @ingroup gssapi
      53             :  */
      54             : 
      55             : GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
      56           0 : gss_canonicalize_name(OM_uint32 *minor_status,
      57             :     const gss_name_t input_name,
      58             :     const gss_OID mech_type,
      59             :     gss_name_t *output_name)
      60             : {
      61             :         OM_uint32 major_status;
      62           0 :         struct _gss_name *name = (struct _gss_name *) input_name;
      63             :         struct _gss_mechanism_name *mn;
      64             :         gssapi_mech_interface m;
      65             :         gss_name_t new_canonical_name;
      66             : 
      67           0 :         *minor_status = 0;
      68           0 :         *output_name = 0;
      69             : 
      70           0 :         major_status = _gss_find_mn(minor_status, name, mech_type, &mn);
      71           0 :         if (major_status)
      72           0 :                 return major_status;
      73             : 
      74           0 :         m = mn->gmn_mech;
      75           0 :         major_status = m->gm_canonicalize_name(minor_status,
      76           0 :             mn->gmn_name, mech_type, &new_canonical_name);
      77           0 :         if (major_status) {
      78           0 :                 _gss_mg_error(m, major_status, *minor_status);
      79           0 :                 return (major_status);
      80             :         }
      81             : 
      82             :         /*
      83             :          * Now we make a new name and mark it as an MN.
      84             :          */
      85           0 :         *minor_status = 0;
      86           0 :         name = malloc(sizeof(struct _gss_name));
      87           0 :         if (!name) {
      88           0 :                 m->gm_release_name(minor_status, &new_canonical_name);
      89           0 :                 *minor_status = ENOMEM;
      90           0 :                 return (GSS_S_FAILURE);
      91             :         }
      92           0 :         memset(name, 0, sizeof(struct _gss_name));
      93             : 
      94           0 :         mn = malloc(sizeof(struct _gss_mechanism_name));
      95           0 :         if (!mn) {
      96           0 :                 m->gm_release_name(minor_status, &new_canonical_name);
      97           0 :                 free(name);
      98           0 :                 *minor_status = ENOMEM;
      99           0 :                 return (GSS_S_FAILURE);
     100             :         }
     101             : 
     102           0 :         HEIM_SLIST_INIT(&name->gn_mn);
     103           0 :         mn->gmn_mech = m;
     104           0 :         mn->gmn_mech_oid = &m->gm_mech_oid;
     105           0 :         mn->gmn_name = new_canonical_name;
     106           0 :         HEIM_SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
     107             : 
     108           0 :         *output_name = (gss_name_t) name;
     109             : 
     110           0 :         return (GSS_S_COMPLETE);
     111             : }