crypto/heimdal/lib/gssapi/mech/gss_inquire_context.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_inquire_context.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_inquire_context(OM_uint32 *minor_status,
  33     const gss_ctx_id_t context_handle,
  34     gss_name_t *src_name,
  35     gss_name_t *targ_name,
  36     OM_uint32 *lifetime_rec,
  37     gss_OID *mech_type,
  38     OM_uint32 *ctx_flags,
  39     int *locally_initiated,
  40     int *xopen)
  41 {
  42         OM_uint32 major_status;
  43         struct _gss_context *ctx = (struct _gss_context *) context_handle;
  44         gssapi_mech_interface m = ctx->gc_mech;
  45         struct _gss_name *name;
  46         gss_name_t src_mn, targ_mn;
  47
  48         if (locally_initiated)
  49             *locally_initiated = 0;
  50         if (xopen)
  51             *xopen = 0;
  52         if (lifetime_rec)
  53             *lifetime_rec = 0;
  54
  55         if (src_name)
  56             *src_name = GSS_C_NO_NAME;
  57         if (targ_name)
  58             *targ_name = GSS_C_NO_NAME;
  59         if (mech_type)
  60             *mech_type = GSS_C_NO_OID;
  61         src_mn = targ_mn = GSS_C_NO_NAME;
  62
  63         major_status = m->gm_inquire_context(minor_status,
  64             ctx->gc_ctx,
  65             src_name ? &src_mn : NULL,
  66             targ_name ? &targ_mn : NULL,
  67             lifetime_rec,
  68             mech_type,
  69             ctx_flags,
  70             locally_initiated,
  71             xopen);
  72
  73         if (major_status != GSS_S_COMPLETE) {
  74                 _gss_mg_error(m, major_status, *minor_status);
  75                 return (major_status);
  76         }
  77
  78         if (src_name) {
  79                 name = _gss_make_name(m, src_mn);
  80                 if (!name) {
  81                         if (mech_type)
  82                                 *mech_type = GSS_C_NO_OID;
  83                         m->gm_release_name(minor_status, &src_mn);
  84                         *minor_status = 0;
  85                         return (GSS_S_FAILURE);
  86                 }
  87                 *src_name = (gss_name_t) name;
  88         }
  89
  90         if (targ_name) {
  91                 name = _gss_make_name(m, targ_mn);
  92                 if (!name) {
  93                         if (mech_type)
  94                                 *mech_type = GSS_C_NO_OID;
  95                         if (src_name)
  96                                 gss_release_name(minor_status, src_name);
  97                         m->gm_release_name(minor_status, &targ_mn);
  98                         *minor_status = 0;
  99                         return (GSS_S_FAILURE);
 100                 }
 101                 *targ_name = (gss_name_t) name;
 102         }
 103
 104         return (GSS_S_COMPLETE);
 105 }