X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/27d06e044795c0b0ea4d34b10bccfa41d57f77fc..0bb514502a1d80e9b023d0e8a379f3559798eec2:/client/tinycbor/cborerrorstrings.c diff --git a/client/tinycbor/cborerrorstrings.c b/client/tinycbor/cborerrorstrings.c new file mode 100644 index 00000000..3fe3a982 --- /dev/null +++ b/client/tinycbor/cborerrorstrings.c @@ -0,0 +1,182 @@ +/**************************************************************************** +** +** Copyright (C) 2016 Intel Corporation +** +** Permission is hereby granted, free of charge, to any person obtaining a copy +** of this software and associated documentation files (the "Software"), to deal +** in the Software without restriction, including without limitation the rights +** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +** copies of the Software, and to permit persons to whom the Software is +** furnished to do so, subject to the following conditions: +** +** The above copyright notice and this permission notice shall be included in +** all copies or substantial portions of the Software. +** +** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +** THE SOFTWARE. +** +****************************************************************************/ + +#include "cbor.h" + +#ifndef _ +# define _(msg) msg +#endif + +/** + * \enum CborError + * \ingroup CborGlobals + * The CborError enum contains the possible error values used by the CBOR encoder and decoder. + * + * TinyCBOR functions report success by returning CborNoError, or one error + * condition by returning one of the values below. One exception is the + * out-of-memory condition (CborErrorOutOfMemory), which the functions for \ref + * CborEncoding may report in bit-wise OR with other conditions. + * + * This technique allows code to determine whether the only error condition was + * a lack of buffer space, which may not be a fatal condition if the buffer can + * be resized. Additionally, the functions for \ref CborEncoding may continue + * to be used even after CborErrorOutOfMemory is returned, and instead they + * will simply calculate the extra space needed. + * + * \value CborNoError No error occurred + * \omitvalue CborUnknownError + * \value CborErrorUnknownLength Request for the length of an array, map or string whose length is not provided in the CBOR stream + * \value CborErrorAdvancePastEOF Not enough data in the stream to decode item (decoding would advance past end of stream) + * \value CborErrorIO An I/O error occurred, probably due to an out-of-memory situation + * \value CborErrorGarbageAtEnd Bytes exist past the end of the CBOR stream + * \value CborErrorUnexpectedEOF End of stream reached unexpectedly + * \value CborErrorUnexpectedBreak A CBOR break byte was found where not expected + * \value CborErrorUnknownType An unknown type (future extension to CBOR) was found in the stream + * \value CborErrorIllegalType An invalid type was found while parsing a chunked CBOR string + * \value CborErrorIllegalNumber An illegal initial byte (encoding unspecified additional information) was found + * \value CborErrorIllegalSimpleType An illegal encoding of a CBOR Simple Type of value less than 32 was found + * \omitvalue CborErrorUnknownSimpleType + * \omitvalue CborErrorUnknownTag + * \omitvalue CborErrorInappropriateTagForType + * \omitvalue CborErrorDuplicateObjectKeys + * \value CborErrorInvalidUtf8TextString Illegal UTF-8 encoding found while parsing CBOR Text String + * \value CborErrorTooManyItems Too many items were added to CBOR map or array of pre-determined length + * \value CborErrorTooFewItems Too few items were added to CBOR map or array of pre-determined length + * \value CborErrorDataTooLarge Data item size exceeds TinyCBOR's implementation limits + * \value CborErrorNestingTooDeep Data item nesting exceeds TinyCBOR's implementation limits + * \omitvalue CborErrorUnsupportedType + * \value CborErrorJsonObjectKeyIsAggregate Conversion to JSON failed because the key in a map is a CBOR map or array + * \value CborErrorJsonObjectKeyNotString Conversion to JSON failed because the key in a map is not a text string + * \value CborErrorOutOfMemory During CBOR encoding, the buffer provided is insufficient for encoding the data item; + * in other situations, TinyCBOR failed to allocate memory + * \value CborErrorInternalError An internal error occurred in TinyCBOR + */ + +/** + * \ingroup CborGlobals + * Returns the error string corresponding to the CBOR error condition \a error. + */ +const char *cbor_error_string(CborError error) +{ + switch (error) { + case CborNoError: + return ""; + + case CborUnknownError: + return _("unknown error"); + + case CborErrorOutOfMemory: + return _("out of memory/need more memory"); + + case CborErrorUnknownLength: + return _("unknown length (attempted to get the length of a map/array/string of indeterminate length"); + + case CborErrorAdvancePastEOF: + return _("attempted to advance past EOF"); + + case CborErrorIO: + return _("I/O error"); + + case CborErrorGarbageAtEnd: + return _("garbage after the end of the content"); + + case CborErrorUnexpectedEOF: + return _("unexpected end of data"); + + case CborErrorUnexpectedBreak: + return _("unexpected 'break' byte"); + + case CborErrorUnknownType: + return _("illegal byte (encodes future extension type)"); + + case CborErrorIllegalType: + return _("mismatched string type in chunked string"); + + case CborErrorIllegalNumber: + return _("illegal initial byte (encodes unspecified additional information)"); + + case CborErrorIllegalSimpleType: + return _("illegal encoding of simple type smaller than 32"); + + case CborErrorUnknownSimpleType: + return _("unknown simple type"); + + case CborErrorUnknownTag: + return _("unknown tag"); + + case CborErrorInappropriateTagForType: + return _("inappropriate tag for type"); + + case CborErrorDuplicateObjectKeys: + return _("duplicate keys in object"); + + case CborErrorInvalidUtf8TextString: + return _("invalid UTF-8 content in string"); + + case CborErrorExcludedType: + return _("excluded type found"); + + case CborErrorExcludedValue: + return _("excluded value found"); + + case CborErrorImproperValue: + case CborErrorOverlongEncoding: + return _("value encoded in non-canonical form"); + + case CborErrorMapKeyNotString: + case CborErrorJsonObjectKeyNotString: + return _("key in map is not a string"); + + case CborErrorMapNotSorted: + return _("map is not sorted"); + + case CborErrorMapKeysNotUnique: + return _("map keys are not unique"); + + case CborErrorTooManyItems: + return _("too many items added to encoder"); + + case CborErrorTooFewItems: + return _("too few items added to encoder"); + + case CborErrorDataTooLarge: + return _("internal error: data too large"); + + case CborErrorNestingTooDeep: + return _("internal error: too many nested containers found in recursive function"); + + case CborErrorUnsupportedType: + return _("unsupported type"); + + case CborErrorJsonObjectKeyIsAggregate: + return _("conversion to JSON failed: key in object is an array or map"); + + case CborErrorJsonNotImplemented: + return _("conversion to JSON failed: open_memstream unavailable"); + + case CborErrorInternalError: + return _("internal error"); + } + return cbor_error_string(CborUnknownError); +}