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 "gsskrb5_locl.h"
  35
  36 OM_uint32 _gsskrb5_inquire_context (
  37     OM_uint32 * minor_status,
  38         const gss_ctx_id_t context_handle,
  39         gss_name_t * src_name,
  40         gss_name_t * targ_name,
  41         OM_uint32 * lifetime_rec,
  42         gss_OID * mech_type,
  43         OM_uint32 * ctx_flags,
  44         int * locally_initiated,
  45         int * open_context
  46     )
  47 {
  48     krb5_context context;
  49     OM_uint32 ret;
  50     gsskrb5_ctx ctx = (gsskrb5_ctx)context_handle;
  51     gss_name_t name;
  52
  53     if (src_name)
  54         *src_name = GSS_C_NO_NAME;
  55     if (targ_name)
  56         *targ_name = GSS_C_NO_NAME;
  57
  58     GSSAPI_KRB5_INIT (&context);
  59
  60     HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
  61
  62     if (src_name) {
  63         name = (gss_name_t)ctx->source;
  64         ret = _gsskrb5_duplicate_name (minor_status, name, src_name);
  65         if (ret)
  66             goto failed;
  67     }
  68
  69     if (targ_name) {
  70         name = (gss_name_t)ctx->target;
  71         ret = _gsskrb5_duplicate_name (minor_status, name, targ_name);
  72         if (ret)
  73             goto failed;
  74     }
  75
  76     if (lifetime_rec) {
  77         ret = _gsskrb5_lifetime_left(minor_status,
  78                                      context,
  79                                      ctx->lifetime,
  80                                      lifetime_rec);
  81         if (ret)
  82             goto failed;
  83     }
  84
  85     if (mech_type)
  86         *mech_type = GSS_KRB5_MECHANISM;
  87
  88     if (ctx_flags)
  89         *ctx_flags = ctx->flags;
  90
  91     if (locally_initiated)
  92         *locally_initiated = ctx->more_flags & LOCAL;
  93
  94     if (open_context)
  95         *open_context = ctx->more_flags & OPEN;
  96
  97     *minor_status = 0;
  98
  99     HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
 100     return GSS_S_COMPLETE;
 101
 102 failed:
 103     if (src_name)
 104         _gsskrb5_release_name(NULL, src_name);
 105     if (targ_name)
 106         _gsskrb5_release_name(NULL, targ_name);
 107
 108     HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
 109     return ret;
 110 }