Overview
| Comment: | Updated to deal with reads of unknown size |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | a42647e45aca2e4830d7aecc124246f125b7a6fa |
| User & Date: | rkeene on 2010-05-17 21:39:00 |
| Other Links: | manifest | tags |
Context
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2010-05-17
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| 21:50 | Corrected issue with sign/decrypt buffer sizes check-in: 9aa715ce7f user: rkeene tags: trunk | |
| 21:39 | Updated to deal with reads of unknown size check-in: a42647e45a user: rkeene tags: trunk | |
| 20:20 |
Updated to not set "Le" when asking to sign/decrypt (discovered from
ActivClient APDU dump)
Reverted last commit where reads of 0 bytes were converted to no-ops check-in: f276873873 user: rkeene tags: trunk | |
Changes
Modified cackey.c from [c23e82a84b] to [ace314276a].
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bytes_to_copy = *respdata_len;
if (recv_len < bytes_to_copy) {
bytes_to_copy = recv_len;
}
CACKEY_DEBUG_PRINTF("Copying %lu bytes to the buffer", (unsigned long) bytes_to_copy);
memcpy(respdata, recv_buf, bytes_to_copy);
respdata += bytes_to_copy;
*respdata_len = bytes_to_copy;
tmp_respdata_len -= bytes_to_copy;
} else {
................................................................................
CACKEY_DEBUG_PRINTF("Throwing away %lu bytes, nowhere to put them!", (unsigned long) recv_len);
}
}
if (major_rc == 0x61) {
/* We need to READ */
CACKEY_DEBUG_PRINTF("Buffer read required");
pcsc_getresp_ret = cackey_send_apdu(slot, GSCIS_CLASS_ISO7816, GSCIS_INSTR_GET_RESPONSE, 0x00, 0x00, 0, NULL, minor_rc, respcode, respdata, &tmp_respdata_len);
if (pcsc_getresp_ret != CACKEY_PCSC_S_OK) {
CACKEY_DEBUG_PRINTF("Buffer read failed! Returning in failure");
/* End Smartcard Transaction */
cackey_end_transaction(slot);
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bytes_to_copy = *respdata_len;
if (recv_len < bytes_to_copy) {
bytes_to_copy = recv_len;
}
CACKEY_DEBUG_PRINTF("Copying %lu bytes to the buffer (recv'd %lu bytes, but only %lu bytes left in our buffer)", (unsigned long) bytes_to_copy, (unsigned long) recv_len, (unsigned long) *respdata_len);
memcpy(respdata, recv_buf, bytes_to_copy);
respdata += bytes_to_copy;
*respdata_len = bytes_to_copy;
tmp_respdata_len -= bytes_to_copy;
} else {
................................................................................
CACKEY_DEBUG_PRINTF("Throwing away %lu bytes, nowhere to put them!", (unsigned long) recv_len);
}
}
if (major_rc == 0x61) {
/* We need to READ */
CACKEY_DEBUG_PRINTF("Buffer read required");
if (minor_rc == 0x00) {
minor_rc = 253;
}
pcsc_getresp_ret = cackey_send_apdu(slot, GSCIS_CLASS_ISO7816, GSCIS_INSTR_GET_RESPONSE, 0x00, 0x00, 0, NULL, minor_rc, respcode, respdata, &tmp_respdata_len);
if (pcsc_getresp_ret != CACKEY_PCSC_S_OK) {
CACKEY_DEBUG_PRINTF("Buffer read failed! Returning in failure");
/* End Smartcard Transaction */
cackey_end_transaction(slot);
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