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90 lines
3.1 KiB
C
90 lines
3.1 KiB
C
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*/
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/**
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* \file mps_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_MPS_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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/**
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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 (0)
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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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#define MBEDTLS_ERR_MPS_INTERNAL_ERROR MBEDTLS_MPS_MAKE_ERROR(0x2)
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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 << 8)
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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_mps_reader_feed()
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* after pausing failed because the provided data is not sufficient to serve the
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* read requests that led 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 get 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 get 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 failed 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 failed because 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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