heimdal/lib/gssapi/spnego/context_stubs.c

/*
 * Copyright (c) 2004, PADL Software Pty Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of PADL Software nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "spnego_locl.h"

RCSID("$Id$");

OM_uint32 gss_spnego_process_context_token
           (OM_uint32 *minor_status,
            const gss_ctx_id_t context_handle,
            const gss_buffer_t token_buffer
           )
{
    gss_ctx_id_t context ;
    gssspnego_ctx ctx;
    OM_uint32 ret;

    if (context_handle == GSS_C_NO_CONTEXT)
	return GSS_S_NO_CONTEXT;

    context = context_handle;
    ctx = (gssspnego_ctx)context_handle;

    HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);

    ret = gss_process_context_token(minor_status,
				    ctx->negotiated_ctx_id,
				    token_buffer);
    if (ret != GSS_S_COMPLETE) {
	HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
	return ret;
    }

    ctx->negotiated_ctx_id = GSS_C_NO_CONTEXT;

    return _gss_spnego_delete_sec_context(minor_status,
					  &context,
					  GSS_C_NO_BUFFER);
}

OM_uint32 gss_spnego_delete_sec_context
           (OM_uint32 *minor_status,
            gss_ctx_id_t *context_handle,
            gss_buffer_t output_token
           )
{
    gssspnego_ctx ctx;

    if (context_handle == NULL || *context_handle == GSS_C_NO_CONTEXT)
	return GSS_S_NO_CONTEXT;

    ctx = (gssspnego_ctx)*context_handle;

    HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);

    return _gss_spnego_delete_sec_context(minor_status,
					  context_handle,
					  output_token);
}

OM_uint32 gss_spnego_context_time
           (OM_uint32 *minor_status,
            const gss_ctx_id_t context_handle,
            OM_uint32 *time_rec
           )
{
    gssspnego_ctx ctx;
    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_context_time(minor_status,
			    ctx->negotiated_ctx_id,
			    time_rec);
}

OM_uint32 gss_spnego_get_mic
           (OM_uint32 *minor_status,
            const gss_ctx_id_t context_handle,
            gss_qop_t qop_req,
            const gss_buffer_t message_buffer,
            gss_buffer_t message_token
           )
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_get_mic(minor_status, ctx->negotiated_ctx_id,
		       qop_req, message_buffer, message_token);
}

OM_uint32 gss_spnego_verify_mic
           (OM_uint32 * minor_status,
            const gss_ctx_id_t context_handle,
            const gss_buffer_t message_buffer,
            const gss_buffer_t token_buffer,
            gss_qop_t * qop_state
           )
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_verify_mic(minor_status,
			  ctx->negotiated_ctx_id,
			  message_buffer,
			  token_buffer,
			  qop_state);
}

OM_uint32 gss_spnego_wrap
           (OM_uint32 * minor_status,
            const gss_ctx_id_t context_handle,
            int conf_req_flag,
            gss_qop_t qop_req,
            const gss_buffer_t input_message_buffer,
            int * conf_state,
            gss_buffer_t output_message_buffer
           )
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_wrap(minor_status,
		    ctx->negotiated_ctx_id,
		    conf_req_flag,
		    qop_req,
		    input_message_buffer,
		    conf_state,
		    output_message_buffer);
}

OM_uint32 gss_spnego_unwrap
           (OM_uint32 * minor_status,
            const gss_ctx_id_t context_handle,
            const gss_buffer_t input_message_buffer,
            gss_buffer_t output_message_buffer,
            int * conf_state,
            gss_qop_t * qop_state
           )
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_unwrap(minor_status,
		      ctx->negotiated_ctx_id,
		      input_message_buffer,
		      output_message_buffer,
		      conf_state,
		      qop_state);
}

OM_uint32 gss_spnego_display_status
           (OM_uint32 * minor_status,
            OM_uint32 status_value,
            int status_type,
            const gss_OID mech_type,
            OM_uint32 * message_context,
            gss_buffer_t status_string
           )
{
    return GSS_S_FAILURE;
}

OM_uint32 gss_spnego_indicate_mechs
           (OM_uint32 * minor_status,
            gss_OID_set * mech_set
           )
{
    OM_uint32 ret;

    ret = gss_create_empty_oid_set(minor_status, mech_set);
    if (ret)
	return ret;

    ret = gss_add_oid_set_member(minor_status, GSS_SPNEGO_MECHANISM, mech_set);
    if (ret) {
	gss_release_oid_set(NULL, mech_set);
	return ret;
    }

    return GSS_S_COMPLETE;
}

OM_uint32 gss_spnego_compare_name
           (OM_uint32 *minor_status,
            const gss_name_t name1,
            const gss_name_t name2,
            int * name_equal
           )
{
    return gss_compare_name(minor_status, name1, name2, name_equal);
}

OM_uint32 gss_spnego_display_name
           (OM_uint32 * minor_status,
            const gss_name_t input_name,
            gss_buffer_t output_name_buffer,
            gss_OID * output_name_type
           )
{
    return gss_display_name(minor_status, input_name,
			    output_name_buffer, output_name_type);
}

OM_uint32 gss_spnego_import_name
           (OM_uint32 * minor_status,
            const gss_buffer_t input_name_buffer,
            const gss_OID input_name_type,
            gss_name_t * output_name
           )
{
    return gss_import_name(minor_status, input_name_buffer,
			   input_name_type, output_name);
}

OM_uint32 gss_spnego_export_name
           (OM_uint32  * minor_status,
            const gss_name_t input_name,
            gss_buffer_t exported_name
           )
{
    return gss_export_name(minor_status, input_name,
			   exported_name);
}

OM_uint32 gss_spnego_release_name
           (OM_uint32 * minor_status,
            gss_name_t * input_name
           )
{
    return gss_release_name(minor_status, input_name);
}

OM_uint32 gss_spnego_inquire_context (
            OM_uint32 * minor_status,
            const gss_ctx_id_t context_handle,
            gss_name_t * src_name,
            gss_name_t * targ_name,
            OM_uint32 * lifetime_rec,
            gss_OID * mech_type,
            OM_uint32 * ctx_flags,
            int * locally_initiated,
            int * open_context
           )
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_inquire_context(minor_status,
			       ctx->negotiated_ctx_id,
			       src_name,
			       targ_name,
			       lifetime_rec,
			       mech_type,
			       ctx_flags,
			       locally_initiated,
			       open_context);
}

OM_uint32 gss_spnego_wrap_size_limit (
            OM_uint32 * minor_status,
            const gss_ctx_id_t context_handle,
            int conf_req_flag,
            gss_qop_t qop_req,
            OM_uint32 req_output_size,
            OM_uint32 * max_input_size
           )
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_wrap_size_limit(minor_status,
			       ctx->negotiated_ctx_id,
			       conf_req_flag,
			       qop_req,
			       req_output_size,
			       max_input_size);
}

OM_uint32 gss_spnego_export_sec_context (
            OM_uint32 * minor_status,
            gss_ctx_id_t * context_handle,
            gss_buffer_t interprocess_token
           )
{
    gssspnego_ctx ctx;
    OM_uint32 ret;

    *minor_status = 0;

    if (context_handle == NULL) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)*context_handle;

    if (ctx == NULL)
	return GSS_S_NO_CONTEXT;

    HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
	return GSS_S_NO_CONTEXT;
    }

    ret = gss_export_sec_context(minor_status,
				 &ctx->negotiated_ctx_id,
				 interprocess_token);
    if (ret == GSS_S_COMPLETE) {
	ret = _gss_spnego_delete_sec_context(minor_status,
					     context_handle,
					     GSS_C_NO_BUFFER);
	if (ret == GSS_S_COMPLETE)
	    return GSS_S_COMPLETE;
    }

    HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);

    return ret;
}

OM_uint32 gss_spnego_import_sec_context (
            OM_uint32 * minor_status,
            const gss_buffer_t interprocess_token,
            gss_ctx_id_t *context_handle
           )
{
    OM_uint32 ret, minor;
    gss_ctx_id_t context;
    gssspnego_ctx ctx;

    ret = _gss_spnego_alloc_sec_context(minor_status, &context);
    if (ret != GSS_S_COMPLETE) {
	return ret;
    }
    ctx = (gssspnego_ctx)context;

    HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);

    ret = gss_import_sec_context(minor_status,
				 interprocess_token,
				 &ctx->negotiated_ctx_id);
    if (ret != GSS_S_COMPLETE) {
	_gss_spnego_delete_sec_context(&minor, context_handle, GSS_C_NO_BUFFER);
	return ret;
    }

    ctx->open = 1;
    /* don't bother filling in the rest of the fields */

    HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);

    *context_handle = (gss_ctx_id_t)ctx;

    return GSS_S_COMPLETE;
}

OM_uint32 gss_spnego_inquire_names_for_mech (
            OM_uint32 * minor_status,
            const gss_OID mechanism,
            gss_OID_set * name_types
           )
{
    return gss_create_empty_oid_set(minor_status, name_types);
}

OM_uint32 gss_spnego_inquire_mechs_for_name (
            OM_uint32 * minor_status,
            const gss_name_t input_name,
            gss_OID_set * mech_types
           )
{
    OM_uint32 ret, junk;

    ret = gss_create_empty_oid_set(minor_status, mech_types);
    if (ret)
	return ret;

    ret = gss_add_oid_set_member(minor_status,
				 GSS_SPNEGO_MECHANISM,
				 mech_types);
    if (ret)
	gss_release_oid_set(&junk, mech_types);

    return ret;
}

OM_uint32 gss_spnego_canonicalize_name (
            OM_uint32 * minor_status,
            const gss_name_t input_name,
            const gss_OID mech_type,
            gss_name_t * output_name
           )
{
    return gss_canonicalize_name(minor_status,
				 input_name,
				 mech_type,
				 output_name);
}

OM_uint32 gss_spnego_duplicate_name (
            OM_uint32 * minor_status,
            const gss_name_t src_name,
            gss_name_t * dest_name
           )
{
    return gss_duplicate_name(minor_status, src_name, dest_name);
}

OM_uint32 gss_spnego_sign
           (OM_uint32 * minor_status,
            gss_ctx_id_t context_handle,
            int qop_req,
            gss_buffer_t message_buffer,
            gss_buffer_t message_token
           )
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_sign(minor_status,
		    ctx->negotiated_ctx_id,
		    qop_req,
		    message_buffer,
		    message_token);
}

OM_uint32 gss_spnego_verify
           (OM_uint32 * minor_status,
            gss_ctx_id_t context_handle,
            gss_buffer_t message_buffer,
            gss_buffer_t token_buffer,
            int * qop_state
           )
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_verify(minor_status,
		      ctx->negotiated_ctx_id,
		      message_buffer,
		      token_buffer,
		      qop_state);
}

OM_uint32 gss_spnego_seal
           (OM_uint32 * minor_status,
            gss_ctx_id_t context_handle,
            int conf_req_flag,
            int qop_req,
            gss_buffer_t input_message_buffer,
            int * conf_state,
            gss_buffer_t output_message_buffer
           )
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_seal(minor_status,
		    ctx->negotiated_ctx_id,
		    conf_req_flag,
		    qop_req,
		    input_message_buffer,
		    conf_state,
		    output_message_buffer);
}

OM_uint32 gss_spnego_unseal
           (OM_uint32 * minor_status,
            gss_ctx_id_t context_handle,
            gss_buffer_t input_message_buffer,
            gss_buffer_t output_message_buffer,
            int * conf_state,
            int * qop_state
           )
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_unseal(minor_status,
		      ctx->negotiated_ctx_id,
		      input_message_buffer,
		      output_message_buffer,
		      conf_state,
		      qop_state);
}

#if 0
OM_uint32 gss_spnego_unwrap_ex
           (OM_uint32 * minor_status,
            const gss_ctx_id_t context_handle,
	    const gss_buffer_t token_header_buffer,
	    const gss_buffer_t associated_data_buffer,
	    const gss_buffer_t input_message_buffer,
	    gss_buffer_t output_message_buffer,
	    int * conf_state,
	    gss_qop_t * qop_state)
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_unwrap_ex(minor_status,
			 ctx->negotiated_ctx_id,
			 token_header_buffer,
			 associated_data_buffer,
			 input_message_buffer,
			 output_message_buffer,
			 conf_state,
			 qop_state);
}

OM_uint32 gss_spnego_wrap_ex
           (OM_uint32 * minor_status,
            const gss_ctx_id_t context_handle,
            int conf_req_flag,
            gss_qop_t qop_req,
            const gss_buffer_t associated_data_buffer,
            const gss_buffer_t input_message_buffer,
            int * conf_state,
            gss_buffer_t output_token_buffer,
            gss_buffer_t output_message_buffer
	   )
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    if ((ctx->mech_flags & GSS_C_DCE_STYLE) == 0 &&
	associated_data_buffer->length != input_message_buffer->length) {
	*minor_status = EINVAL;
	return GSS_S_BAD_QOP;
    }

    return gss_wrap_ex(minor_status,
		       ctx->negotiated_ctx_id,
		       conf_req_flag,
		       qop_req,
		       associated_data_buffer,
		       input_message_buffer,
		       conf_state,
		       output_token_buffer,
		       output_message_buffer);
}

OM_uint32 gss_spnego_complete_auth_token
           (OM_uint32 * minor_status,
            const gss_ctx_id_t context_handle,
	    gss_buffer_t input_message_buffer)
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_complete_auth_token(minor_status,
				   ctx->negotiated_ctx_id,
				   input_message_buffer);
}
#endif

OM_uint32 gss_spnego_inquire_sec_context_by_oid
           (OM_uint32 * minor_status,
            const gss_ctx_id_t context_handle,
            const gss_OID desired_object,
            gss_buffer_set_t *data_set)
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_inquire_sec_context_by_oid(minor_status,
					  ctx->negotiated_ctx_id,
					  desired_object,
					  data_set);
}

OM_uint32 gss_spnego_set_sec_context_option
           (OM_uint32 * minor_status,
            gss_ctx_id_t * context_handle,
            const gss_OID desired_object,
            const gss_buffer_t value)
{
    gssspnego_ctx ctx;

    *minor_status = 0;

    if (context_handle == NULL || *context_handle == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    ctx = (gssspnego_ctx)context_handle;

    if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) {
	return GSS_S_NO_CONTEXT;
    }

    return gss_set_sec_context_option(minor_status,
				      &ctx->negotiated_ctx_id,
				      desired_object,
				      value);
}