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0bb514502a
* add tinycbor * add client/fido * add test file with options for fido2 * hf fido commands * add changelog
183 lines
7.5 KiB
C
183 lines
7.5 KiB
C
/****************************************************************************
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**
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** Copyright (C) 2016 Intel Corporation
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**
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** Permission is hereby granted, free of charge, to any person obtaining a copy
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** of this software and associated documentation files (the "Software"), to deal
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** in the Software without restriction, including without limitation the rights
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** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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** copies of the Software, and to permit persons to whom the Software is
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** furnished to do so, subject to the following conditions:
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**
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** The above copyright notice and this permission notice shall be included in
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** all copies or substantial portions of the Software.
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**
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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** THE SOFTWARE.
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**
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****************************************************************************/
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#include "cbor.h"
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#ifndef _
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# define _(msg) msg
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#endif
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/**
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* \enum CborError
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* \ingroup CborGlobals
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* The CborError enum contains the possible error values used by the CBOR encoder and decoder.
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*
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* TinyCBOR functions report success by returning CborNoError, or one error
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* condition by returning one of the values below. One exception is the
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* out-of-memory condition (CborErrorOutOfMemory), which the functions for \ref
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* CborEncoding may report in bit-wise OR with other conditions.
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*
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* This technique allows code to determine whether the only error condition was
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* a lack of buffer space, which may not be a fatal condition if the buffer can
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* be resized. Additionally, the functions for \ref CborEncoding may continue
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* to be used even after CborErrorOutOfMemory is returned, and instead they
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* will simply calculate the extra space needed.
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*
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* \value CborNoError No error occurred
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* \omitvalue CborUnknownError
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* \value CborErrorUnknownLength Request for the length of an array, map or string whose length is not provided in the CBOR stream
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* \value CborErrorAdvancePastEOF Not enough data in the stream to decode item (decoding would advance past end of stream)
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* \value CborErrorIO An I/O error occurred, probably due to an out-of-memory situation
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* \value CborErrorGarbageAtEnd Bytes exist past the end of the CBOR stream
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* \value CborErrorUnexpectedEOF End of stream reached unexpectedly
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* \value CborErrorUnexpectedBreak A CBOR break byte was found where not expected
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* \value CborErrorUnknownType An unknown type (future extension to CBOR) was found in the stream
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* \value CborErrorIllegalType An invalid type was found while parsing a chunked CBOR string
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* \value CborErrorIllegalNumber An illegal initial byte (encoding unspecified additional information) was found
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* \value CborErrorIllegalSimpleType An illegal encoding of a CBOR Simple Type of value less than 32 was found
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* \omitvalue CborErrorUnknownSimpleType
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* \omitvalue CborErrorUnknownTag
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* \omitvalue CborErrorInappropriateTagForType
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* \omitvalue CborErrorDuplicateObjectKeys
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* \value CborErrorInvalidUtf8TextString Illegal UTF-8 encoding found while parsing CBOR Text String
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* \value CborErrorTooManyItems Too many items were added to CBOR map or array of pre-determined length
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* \value CborErrorTooFewItems Too few items were added to CBOR map or array of pre-determined length
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* \value CborErrorDataTooLarge Data item size exceeds TinyCBOR's implementation limits
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* \value CborErrorNestingTooDeep Data item nesting exceeds TinyCBOR's implementation limits
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* \omitvalue CborErrorUnsupportedType
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* \value CborErrorJsonObjectKeyIsAggregate Conversion to JSON failed because the key in a map is a CBOR map or array
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* \value CborErrorJsonObjectKeyNotString Conversion to JSON failed because the key in a map is not a text string
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* \value CborErrorOutOfMemory During CBOR encoding, the buffer provided is insufficient for encoding the data item;
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* in other situations, TinyCBOR failed to allocate memory
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* \value CborErrorInternalError An internal error occurred in TinyCBOR
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*/
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/**
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* \ingroup CborGlobals
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* Returns the error string corresponding to the CBOR error condition \a error.
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*/
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const char *cbor_error_string(CborError error)
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{
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switch (error) {
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case CborNoError:
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return "";
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case CborUnknownError:
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return _("unknown error");
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case CborErrorOutOfMemory:
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return _("out of memory/need more memory");
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case CborErrorUnknownLength:
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return _("unknown length (attempted to get the length of a map/array/string of indeterminate length");
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case CborErrorAdvancePastEOF:
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return _("attempted to advance past EOF");
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case CborErrorIO:
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return _("I/O error");
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case CborErrorGarbageAtEnd:
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return _("garbage after the end of the content");
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case CborErrorUnexpectedEOF:
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return _("unexpected end of data");
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case CborErrorUnexpectedBreak:
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return _("unexpected 'break' byte");
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case CborErrorUnknownType:
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return _("illegal byte (encodes future extension type)");
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case CborErrorIllegalType:
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return _("mismatched string type in chunked string");
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case CborErrorIllegalNumber:
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return _("illegal initial byte (encodes unspecified additional information)");
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case CborErrorIllegalSimpleType:
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return _("illegal encoding of simple type smaller than 32");
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case CborErrorUnknownSimpleType:
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return _("unknown simple type");
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case CborErrorUnknownTag:
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return _("unknown tag");
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case CborErrorInappropriateTagForType:
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return _("inappropriate tag for type");
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case CborErrorDuplicateObjectKeys:
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return _("duplicate keys in object");
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case CborErrorInvalidUtf8TextString:
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return _("invalid UTF-8 content in string");
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case CborErrorExcludedType:
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return _("excluded type found");
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case CborErrorExcludedValue:
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return _("excluded value found");
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case CborErrorImproperValue:
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case CborErrorOverlongEncoding:
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return _("value encoded in non-canonical form");
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case CborErrorMapKeyNotString:
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case CborErrorJsonObjectKeyNotString:
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return _("key in map is not a string");
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case CborErrorMapNotSorted:
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return _("map is not sorted");
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case CborErrorMapKeysNotUnique:
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return _("map keys are not unique");
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case CborErrorTooManyItems:
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return _("too many items added to encoder");
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case CborErrorTooFewItems:
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return _("too few items added to encoder");
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case CborErrorDataTooLarge:
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return _("internal error: data too large");
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case CborErrorNestingTooDeep:
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return _("internal error: too many nested containers found in recursive function");
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case CborErrorUnsupportedType:
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return _("unsupported type");
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case CborErrorJsonObjectKeyIsAggregate:
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return _("conversion to JSON failed: key in object is an array or map");
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case CborErrorJsonNotImplemented:
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return _("conversion to JSON failed: open_memstream unavailable");
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case CborErrorInternalError:
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return _("internal error");
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}
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return cbor_error_string(CborUnknownError);
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}
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