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Workaround invalid write in read_data () (sic)

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This has to be improved to some extend in the near future (hence the FIXME).
This commit is contained in:
Romain Tartiere 2010-12-18 01:05:35 +00:00
parent c9680fd7c7
commit a6e52db696
2 changed files with 7 additions and 2 deletions
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7
libfreefare/mifare_desfire.c
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@ -1193,8 +1193,13 @@ read_data (MifareTag tag, uint8_t command, uint8_t file_no, off_t offset, size_t
cs = MDCM_PLAIN;
}
uint8_t *p = mifare_cryto_preprocess_data (tag, cmd, &__cmd_n, 8, cs | CMAC_COMMAND);
cs= ocs;
cs = ocs;
/*
* FIXME: This is bogus: the user has to provide a data buffer with enougth
* room to store CRC + padding or MAC. If the user wants to read 1 byte,
* there is no reason to provide a 16 bytes buffer.
*/
do {
DESFIRE_TRANSCEIVE2 (tag, p, __cmd_n, res);