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     gss_const_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;
  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         if (ctx == NULL || ctx->gc_ctx == NULL) {
  64             *minor_status = 0;
  65             return GSS_S_NO_CONTEXT;
  66         }
  67
  68         m = ctx->gc_mech;
  69
  70         major_status = m->gm_inquire_context(minor_status,
  71             ctx->gc_ctx,
  72             src_name ? &src_mn : NULL,
  73             targ_name ? &targ_mn : NULL,
  74             lifetime_rec,
  75             mech_type,
  76             ctx_flags,
  77             locally_initiated,
  78             xopen);
  79
  80         if (major_status != GSS_S_COMPLETE) {
  81                 _gss_mg_error(m, *minor_status);
  82                 return (major_status);
  83         }
  84
  85         if (src_name && (m->gm_flags & GM_USE_MG_NAME)) {
  86                 *src_name = src_mn;
  87                 src_mn = GSS_C_NO_NAME;
  88         } else if (src_name && src_mn) {
  89                 /* _gss_create_name() consumes `src_mn' on success */
  90                 name = _gss_create_name(src_mn, m);
  91                 if (!name) {
  92                         if (mech_type)
  93                                 *mech_type = GSS_C_NO_OID;
  94                         m->gm_release_name(minor_status, &src_mn);
  95                         *minor_status = 0;
  96                         return (GSS_S_FAILURE);
  97                 }
  98                 *src_name = (gss_name_t) name;
  99                 src_mn = GSS_C_NO_NAME;
 100         }
 101
 102         if (targ_name && (m->gm_flags & GM_USE_MG_NAME)) {
 103                 *targ_name = targ_mn;
 104         } else if (targ_name && targ_mn) {
 105                 name = _gss_create_name(targ_mn, m);
 106                 if (!name) {
 107                         if (mech_type)
 108                                 *mech_type = GSS_C_NO_OID;
 109                         if (src_name)
 110                                 gss_release_name(minor_status, src_name);
 111                         m->gm_release_name(minor_status, &targ_mn);
 112                         *minor_status = 0;
 113                         return (GSS_S_FAILURE);
 114                 }
 115                 *targ_name = (gss_name_t) name;
 116                 targ_mn = GSS_C_NO_NAME;
 117         }
 118
 119         return (GSS_S_COMPLETE);
 120 }