From 879660bf4581d902cc1d1244091873c6c0225fa2 Mon Sep 17 00:00:00 2001 From: NIIBE Yutaka Date: Thu, 25 Jul 2019 09:16:46 +0900 Subject: [PATCH] scd: Handle CCID bwi of time extension. * scd/ccid-driver.c (bulk_in): Increase timeout by the multiplier value as defined section 6.2.6 in CCID specification. -- Backport master commit of: 996c497a864d820af06333014b2c5f74d1054866 For TPDU level transfer, it was handled. This is fix for APDU level transfer. GnuPG-bug-id: 4646 Signed-off-by: NIIBE Yutaka --- scd/ccid-driver.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/scd/ccid-driver.c b/scd/ccid-driver.c index 896f64f0f..c152e9c90 100644 --- a/scd/ccid-driver.c +++ b/scd/ccid-driver.c @@ -1946,6 +1946,7 @@ bulk_in (ccid_driver_t handle, unsigned char *buffer, size_t length, int rc; int msglen; int notified = 0; + int bwi = 1; /* Fixme: The next line for the current Valgrind without support for USB IOCTLs. */ @@ -1956,7 +1957,7 @@ bulk_in (ccid_driver_t handle, unsigned char *buffer, size_t length, npth_unprotect (); #endif rc = libusb_bulk_transfer (handle->idev, handle->ep_bulk_in, - (char*)buffer, length, &msglen, timeout); + buffer, length, &msglen, bwi*timeout); #ifdef USE_NPTH npth_protect (); #endif @@ -2004,6 +2005,10 @@ bulk_in (ccid_driver_t handle, unsigned char *buffer, size_t length, DEBUGOUT_2 ("time extension requested (%02X,%02X)\n", buffer[7], buffer[8]); + bwi = 1; + if (buffer[8] != 0 && buffer[8] != 0xff) + bwi = buffer[8]; + /* Gnuk enhancement to prompt user input by ack button */ if (buffer[8] == 0xff && !notified) {