diff options
Diffstat (limited to 'scd/ccid-driver.c')
-rw-r--r-- | scd/ccid-driver.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/scd/ccid-driver.c b/scd/ccid-driver.c index ae40f0118..6b0833b2c 100644 --- a/scd/ccid-driver.c +++ b/scd/ccid-driver.c @@ -255,6 +255,9 @@ struct ccid_driver_s void (*progress_cb)(void *, const char *, int, int, int); void *progress_cb_arg; + void (*prompt_cb)(void *, int); + void *prompt_cb_arg; + unsigned char intr_buf[64]; struct libusb_transfer *transfer; }; @@ -1802,6 +1805,19 @@ ccid_set_progress_cb (ccid_driver_t handle, } +int +ccid_set_prompt_cb (ccid_driver_t handle, + void (*cb)(void *, int), void *cb_arg) +{ + if (!handle) + return CCID_DRIVER_ERR_INV_VALUE; + + handle->prompt_cb = cb; + handle->prompt_cb_arg = cb_arg; + return 0; +} + + /* Close the reader HANDLE. */ int ccid_close_reader (ccid_driver_t handle) @@ -1930,6 +1946,7 @@ bulk_in (ccid_driver_t handle, unsigned char *buffer, size_t length, { int rc; int msglen; + int notified = 0; /* Fixme: The next line for the current Valgrind without support for USB IOCTLs. */ @@ -1982,14 +1999,25 @@ bulk_in (ccid_driver_t handle, unsigned char *buffer, size_t length, we got the expected message type. This is in particular required for the Cherry keyboard which sends a time extension request for each key hit. */ - if ( !(buffer[7] & 0x03) && (buffer[7] & 0xC0) == 0x80) + if (!(buffer[7] & 0x03) && (buffer[7] & 0xC0) == 0x80) { /* Card present and active, time extension requested. */ DEBUGOUT_2 ("time extension requested (%02X,%02X)\n", buffer[7], buffer[8]); + + /* Gnuk enhancement to prompt user input by ack button */ + if (buffer[8] == 0xff && !notified) + { + notified = 1; + handle->prompt_cb (handle->prompt_cb_arg, 1); + } + goto retry; } + if (notified) + handle->prompt_cb (handle->prompt_cb_arg, 0); + if (buffer[0] != expected_type && buffer[0] != RDR_to_PC_SlotStatus) { DEBUGOUT_1 ("unexpected bulk-in msg type (%02x)\n", buffer[0]); |