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added some cbor tools

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merlokk 2018-11-23 19:47:30 +02:00
commit a37082a825
2 changed files with 80 additions and 0 deletions
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75
client/fido/cbortools.c
View file

@ -310,3 +310,78 @@ int JsonToCbor(json_t *elm, CborEncoder *encoder) {
return 0; return 0;
} }
int CborMapGetKeyById(CborParser *parser, CborValue *map, uint8_t *data, size_t dataLen, int key) {
CborValue cb;
CborError err = cbor_parser_init(data, dataLen, 0, parser, &cb);
cbor_check(err);
if (cbor_value_get_type(&cb) != CborMapType)
return 1;
err = cbor_value_enter_container(&cb, map);
cbor_check(err);
int64_t indx;
while (!cbor_value_at_end(map)) {
// check number
if (cbor_value_get_type(map) != CborIntegerType)
return 1;
cbor_value_get_int64(map, &indx);
printf("--id %lld\n", (long long)indx);
err = cbor_value_advance(map);
cbor_check(err);
if (indx == key)
return 0;
// pass value
err = cbor_value_advance(map);
cbor_check(err);
}
err = cbor_value_leave_container(&cb, map);
cbor_check(err);
return 2;
}
CborError CborGetBinStringValue(CborValue *elm, uint8_t *data, size_t maxdatalen, size_t *datalen) {
if (datalen)
*datalen = 0;
size_t slen = 0;
CborError res = cbor_value_copy_byte_string(elm, data, &slen, elm);
cbor_check(res);
if (datalen)
*datalen = slen;
return CborNoError;
};
CborError CborGetStringValue(CborValue *elm, char *data, size_t maxdatalen, size_t *datalen) {
if (datalen)
*datalen = 0;
size_t slen = 0;
CborError res = cbor_value_copy_text_string(elm, data, &slen, elm);
cbor_check(res);
if (datalen)
*datalen = slen;
return CborNoError;
};
CborError CborGetStringValueBuf(CborValue *elm) {
static char stringBuf[2048];
memset(stringBuf, 0x00, sizeof(stringBuf));
return CborGetStringValue(elm, stringBuf, sizeof(stringBuf), NULL);
};

5
client/fido/cbortools.h
View file

@ -24,4 +24,9 @@
extern int TinyCborPrintFIDOPackage(uint8_t cmdCode, bool isResponse, uint8_t *data, size_t length); extern int TinyCborPrintFIDOPackage(uint8_t cmdCode, bool isResponse, uint8_t *data, size_t length);
extern int JsonToCbor(json_t *elm, CborEncoder *encoder); extern int JsonToCbor(json_t *elm, CborEncoder *encoder);
extern int CborMapGetKeyById(CborParser *parser, CborValue *map, uint8_t *data, size_t dataLen, int key);
extern CborError CborGetBinStringValue(CborValue *elm, uint8_t *data, size_t maxdatalen, size_t *datalen);
extern CborError CborGetStringValue(CborValue *elm, char *data, size_t maxdatalen, size_t *datalen);
extern CborError CborGetStringValueBuf(CborValue *elm);
#endif /* __CBORTOOLS_H__ */ #endif /* __CBORTOOLS_H__ */