lib/gssapi/mech/gss_indicate_mechs.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_indicate_mechs.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
  27  */
  28
  29 #include "mech_locl.h"
  30
  31 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
  32 gss_indicate_mechs(OM_uint32 *minor_status,
  33     gss_OID_set *mech_set)
  34 {
  35         struct _gss_mech_switch *m;
  36         OM_uint32 major_status;
  37         gss_OID_set set;
  38         size_t i;
  39
  40         _gss_load_mech();
  41
  42         major_status = gss_create_empty_oid_set(minor_status, mech_set);
  43         if (major_status)
  44                 return (major_status);
  45
  46         HEIM_SLIST_FOREACH(m, &_gss_mechs, gm_link) {
  47                 if (m->gm_mech.gm_indicate_mechs) {
  48                         major_status = m->gm_mech.gm_indicate_mechs(
  49                             minor_status, &set);
  50                         if (major_status)
  51                                 continue;
  52                         for (i = 0; i < set->count; i++)
  53                                 major_status = gss_add_oid_set_member(
  54                                     minor_status, &set->elements[i], mech_set);
  55                         gss_release_oid_set(minor_status, &set);
  56                 } else {
  57                         major_status = gss_add_oid_set_member(
  58                             minor_status, &m->gm_mech_oid, mech_set);
  59                 }
  60         }
  61
  62         *minor_status = 0;
  63         return (GSS_S_COMPLETE);
  64 }