source/heimdal/lib/gssapi/krb5/inquire_context.c

   1 /*
   2  * Copyright (c) 1997, 2003 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "krb5/gsskrb5_locl.h"
  35
  36 RCSID("$Id: inquire_context.c,v 1.11 2006/11/13 18:02:18 lha Exp $");
  37
  38 OM_uint32 _gsskrb5_inquire_context (
  39     OM_uint32 * minor_status,
  40         const gss_ctx_id_t context_handle,
  41         gss_name_t * src_name,
  42         gss_name_t * targ_name,
  43         OM_uint32 * lifetime_rec,
  44         gss_OID * mech_type,
  45         OM_uint32 * ctx_flags,
  46         int * locally_initiated,
  47         int * open_context
  48     )
  49 {
  50     krb5_context context;
  51     OM_uint32 ret;
  52     gsskrb5_ctx ctx = (gsskrb5_ctx)context_handle;
  53     gss_name_t name;
  54
  55     if (src_name)
  56         *src_name = GSS_C_NO_NAME;
  57     if (targ_name)
  58         *targ_name = GSS_C_NO_NAME;
  59
  60     GSSAPI_KRB5_INIT (&context);
  61
  62     HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
  63
  64     if (src_name) {
  65         name = (gss_name_t)ctx->source;
  66         ret = _gsskrb5_duplicate_name (minor_status, name, src_name);
  67         if (ret)
  68             goto failed;
  69     }
  70
  71     if (targ_name) {
  72         name = (gss_name_t)ctx->target;
  73         ret = _gsskrb5_duplicate_name (minor_status, name, targ_name);
  74         if (ret)
  75             goto failed;
  76     }
  77
  78     if (lifetime_rec) {
  79         ret = _gsskrb5_lifetime_left(minor_status,
  80                                      context,
  81                                      ctx->lifetime,
  82                                      lifetime_rec);
  83         if (ret)
  84             goto failed;
  85     }
  86
  87     if (mech_type)
  88         *mech_type = GSS_KRB5_MECHANISM;
  89
  90     if (ctx_flags)
  91         *ctx_flags = ctx->flags;
  92
  93     if (locally_initiated)
  94         *locally_initiated = ctx->more_flags & LOCAL;
  95
  96     if (open_context)
  97         *open_context = ctx->more_flags & OPEN;
  98
  99     *minor_status = 0;
 100
 101     HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
 102     return GSS_S_COMPLETE;
 103
 104 failed:
 105     if (src_name)
 106         _gsskrb5_release_name(NULL, src_name);
 107     if (targ_name)
 108         _gsskrb5_release_name(NULL, targ_name);
 109
 110     HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
 111     return ret;
 112 }