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fixed pin modification for implicitly given new pin

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This commit is contained in:
Frank Morgner
2013-06-09 22:42:42 +02:00
parent 58055517ed
commit 10920e0135
1 changed files with 9 additions and 4 deletions
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13
ccid/src/ccid.c
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@@ -1377,7 +1377,9 @@ perform_PC_to_RDR_Secure(const __u8 *in, size_t inlen, __u8** out, size_t *outle
"\twrite PIN length on %d bits with %d system units offset\n"
"\tcurrent PIN offset is %d %s\n",
modify ? "modification" : "verification",
blocksize, (unsigned int) curr_pin.min_length,
blocksize, modify ? (unsigned int) new_pin.min_length :
(unsigned int) curr_pin.min_length, modify ?
(unsigned int) new_pin.max_length :
(unsigned int) curr_pin.max_length,
encoding == CCID_PIN_ENCODING_BIN ? "binary" :
encoding == CCID_PIN_ENCODING_BCD ? "BCD" :
@@ -1433,10 +1435,12 @@ perform_PC_to_RDR_Secure(const __u8 *in, size_t inlen, __u8** out, size_t *outle
if (!apdu.datalen || !apdu.data) {
/* Host did not provide any data in the APDU, so we have to assign
* something for the pin block */
if (verify)
if (verify) {
apdu.lc = get_datasize_for_pin(&curr_pin, length_size);
else {
blocksize = apdu.lc;
} else {
apdu.lc = get_datasize_for_pin(&new_pin, length_size);
blocksize = apdu.lc;
if (modify->bConfirmPIN & CCID_PIN_INSERT_OLD) {
if (get_datasize_for_pin(&curr_pin, length_size) > apdu.lc)
apdu.lc = get_datasize_for_pin(&curr_pin, length_size);
@@ -1484,7 +1488,8 @@ perform_PC_to_RDR_Secure(const __u8 *in, size_t inlen, __u8** out, size_t *outle
}
}
if (modify) {
if (modify->bInsertionOffsetOld != curr_pin.offset) {
if (modify->bConfirmPIN & CCID_PIN_INSERT_OLD
&& modify->bInsertionOffsetOld != curr_pin.offset) {
sc_debug(ctx, SC_LOG_DEBUG_VERBOSE, "Inconsistent PIN block proberties.\n");
sc_result = SC_ERROR_INVALID_DATA;
goto err;