context_stubs.c

samba最新软件

    *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_internal_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_internal_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
           )
{
    gss_OID_set mechs, names, n;
    OM_uint32 ret, junk;
    int i, j;

    *name_types = NULL;

    ret = spnego_supported_mechs(minor_status, &mechs);
    if (ret != GSS_S_COMPLETE)
	return ret;

    ret = gss_create_empty_oid_set(minor_status, &names);
    if (ret != GSS_S_COMPLETE)
	goto out;

    for (i = 0; i < mechs->count; i++) {
	ret = gss_inquire_names_for_mech(minor_status,
					 &mechs->elements[i],
					 &n);
	if (ret)
	    continue;

	for (j = 0; j < n->count; j++)
	    gss_add_oid_set_member(minor_status,
				   &n->elements[j],
				   &names);
	gss_release_oid_set(&junk, &n);
    }

    ret = GSS_S_COMPLETE;
    *name_types = names;
out:

    gss_release_oid_set(&junk, &mechs);

    return GSS_S_COMPLETE;
}

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
           )
{
    /* XXX */
    return gss_duplicate_name(minor_status, input_name, 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);
}