108 lines
3.7 KiB
C
108 lines
3.7 KiB
C
/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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/**
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* \file error.h
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*
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* \brief Error codes used by MPS
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*/
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#ifndef MBEDTLS_MPS_ERROR_H
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#define MBEDTLS_MPS_ERROR_H
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/* TODO: The error code allocation needs to be revisited:
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*
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* - Should we make (some of) the MPS Reader error codes public?
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* If so, we need to adjust MBEDTLS_READER_MAKE_ERROR() to hit
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* a gap in the Mbed TLS public error space.
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* If not, we have to make sure we don't forward those errors
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* at the level of the public API -- no risk at the moment as
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* long as MPS is an experimental component not accessible from
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* public API.
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*/
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#ifndef MBEDTLS_MPS_ERR_BASE
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#define MBEDTLS_MPS_ERR_BASE ( 1 << 0 )
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#endif
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/**
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* \name SECTION: MPS general error codes
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*
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* \{
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*/
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#ifndef MBEDTLS_MPS_ERR_BASE
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#define MBEDTLS_MPS_ERR_BASE ( 1 << 10 )
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#endif
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#define MBEDTLS_MPS_MAKE_ERROR(code) \
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( -( MBEDTLS_MPS_ERR_BASE | (code) ) )
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#define MBEDTLS_ERR_MPS_OPERATION_UNEXPECTED MBEDTLS_MPS_MAKE_ERROR( 0x1 )
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/* \} name SECTION: MPS general error codes */
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/**
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* \name SECTION: MPS Reader error codes
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*
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* \{
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*/
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#ifndef MBEDTLS_MPS_READER_ERR_BASE
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#define MBEDTLS_MPS_READER_ERR_BASE ( 1 << 7 )
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#endif
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#define MBEDTLS_MPS_READER_MAKE_ERROR(code) \
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( -( MBEDTLS_MPS_READER_ERR_BASE | (code) ) )
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/*! An attempt to reclaim the data buffer from a reader failed because
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* the user hasn't yet read and committed all of it. */
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#define MBEDTLS_ERR_MPS_READER_DATA_LEFT MBEDTLS_MPS_READER_MAKE_ERROR( 0x1 )
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/*! An invalid argument was passed to the reader. */
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#define MBEDTLS_ERR_MPS_READER_INVALID_ARG MBEDTLS_MPS_READER_MAKE_ERROR( 0x2 )
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/*! An attempt to move a reader to consuming mode through mbedtls_reader_feed()
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* after pausing failed because the provided data is not sufficient to serve the
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* the read requests that lead to the pausing. */
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#define MBEDTLS_ERR_MPS_READER_NEED_MORE MBEDTLS_MPS_READER_MAKE_ERROR( 0x3 )
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/*! A read request failed because not enough data is available in the reader. */
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#define MBEDTLS_ERR_MPS_READER_OUT_OF_DATA MBEDTLS_MPS_READER_MAKE_ERROR( 0x4 )
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/*!< A read request after pausing and reactivating the reader failed because
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* the request is not in line with the request made prior to pausing. The user
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* must not change it's 'strategy' after pausing and reactivating a reader. */
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#define MBEDTLS_ERR_MPS_READER_INCONSISTENT_REQUESTS MBEDTLS_MPS_READER_MAKE_ERROR( 0x5 )
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/*! An attempt to reclaim the data buffer from a reader fails because the reader
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* has no accumulator it can use to backup the data that hasn't been processed. */
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#define MBEDTLS_ERR_MPS_READER_NEED_ACCUMULATOR MBEDTLS_MPS_READER_MAKE_ERROR( 0x6 )
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/*! An attempt to reclaim the data buffer from a reader fails beacuse the
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* accumulator passed to the reader is not large enough to hold both the
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* data that hasn't been processed and the excess of the last read-request. */
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#define MBEDTLS_ERR_MPS_READER_ACCUMULATOR_TOO_SMALL MBEDTLS_MPS_READER_MAKE_ERROR( 0x7 )
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/* \} name SECTION: MPS Reader error codes */
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#endif /* MBEDTLS_MPS_ERROR_H */
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