usr/src/lib/libgss/g_verify.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
  23  */
  24
  25 /*
  26  *  glue routine for gss_verify
  27  */
  28
  29 #include <mechglueP.h>
  30 #include "gssapiP_generic.h"
  31
  32 OM_uint32
  33 gss_verify(minor_status,
  34                 context_handle,
  35                 message_buffer,
  36                 token_buffer,
  37                 qop_state)
  38
  39 OM_uint32 *             minor_status;
  40 gss_ctx_id_t            context_handle;
  41 gss_buffer_t            message_buffer;
  42 gss_buffer_t            token_buffer;
  43 int *                   qop_state;
  44 {
  45         OM_uint32               status;
  46         gss_union_ctx_id_t      ctx;
  47         gss_mechanism           mech;
  48
  49         if (minor_status == NULL)
  50                 return (GSS_S_CALL_INACCESSIBLE_WRITE);
  51         *minor_status = 0;
  52
  53         if (context_handle == GSS_C_NO_CONTEXT)
  54                 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
  55
  56         if ((message_buffer == GSS_C_NO_BUFFER) ||
  57             GSS_EMPTY_BUFFER(token_buffer))
  58                 return (GSS_S_CALL_INACCESSIBLE_READ);
  59
  60         /*
  61          * select the approprate underlying mechanism routine and
  62          * call it.
  63          */
  64
  65         ctx = (gss_union_ctx_id_t) context_handle;
  66         mech = __gss_get_mechanism(ctx->mech_type);
  67
  68         if (mech) {
  69                 if (mech->gss_verify) {
  70                         status = mech->gss_verify(
  71                                                 mech->context,
  72                                                 minor_status,
  73                                                 ctx->internal_ctx_id,
  74                                                 message_buffer,
  75                                                 token_buffer,
  76                                                 qop_state);
  77                         if (status != GSS_S_COMPLETE)
  78                                 map_error(minor_status, mech);
  79                 } else
  80                         status = GSS_S_UNAVAILABLE;
  81
  82                 return (status);
  83         }
  84
  85     return (GSS_S_BAD_MECH);
  86 }
  87
  88 OM_uint32
  89 gss_verify_mic(minor_status,
  90                 context_handle,
  91                 message_buffer,
  92                 token_buffer,
  93                 qop_state)
  94
  95 OM_uint32 *             minor_status;
  96 const gss_ctx_id_t      context_handle;
  97 const gss_buffer_t      message_buffer;
  98 const gss_buffer_t      token_buffer;
  99 gss_qop_t *             qop_state;
 100
 101 {
 102         return (gss_verify(minor_status, (gss_ctx_id_t)context_handle,
 103                         (gss_buffer_t)message_buffer,
 104                         (gss_buffer_t)token_buffer, (int *) qop_state));
 105 }