Define YK_DEBUG to get hex dumps of USB read/writes.

diff --git a/ykcore/ykcore.c b/ykcore/ykcore.c
index ca1083d9759df0463280f1dd10313925941a573d..80a1a2388e66d0cf023c7261ff788545dec6f3bf 100644 (file)
--- a/ykcore/ykcore.c
+++ b/ykcore/ykcore.c
@@ -425,6 +425,9 @@ int yk_read_response_from_key(YK_KEY *yk, uint8_t slot, unsigned int flags,
        memset(buf, 0, bufsize);
        *bytes_read = 0;
 
+#ifdef YK_DEBUG
+       fprintf(stderr, "YK_DEBUG: Read %i bytes from YubiKey :\n", expect_bytes);
+#endif
        /* Wait for the key to turn on RESP_PENDING_FLAG */
        if (! yk_wait_for_key_status(yk, slot, flags, 1000, true, RESP_PENDING_FLAG, (char *) &data))
                return 0;
@@ -440,7 +443,9 @@ int yk_read_response_from_key(YK_KEY *yk, uint8_t slot, unsigned int flags,
 
                if (!_ykusb_read(yk, REPORT_TYPE_FEATURE, 0, (char *)data, FEATURE_RPT_SIZE))
                        return 0;
-
+#ifdef YK_DEBUG
+               _yk_hexdump(data, FEATURE_RPT_SIZE);
+#endif
                if (data[FEATURE_RPT_SIZE - 1] & RESP_PENDING_FLAG) {
                        /* The lower five bits of the status byte has the response sequence
                         * number. If that gets reset to zero we are done.
@@ -523,6 +528,9 @@ int yk_write_to_key(YK_KEY *yk, uint8_t slot, const void *buf, int bufcount)
        if (! yk_wait_for_key_status(yk, slot, 0, 1000, false, SLOT_WRITE_FLAG, NULL))
                return 0;
        */
+#ifdef YK_DEBUG
+       fprintf(stderr, "YK_DEBUG: Write %i bytes to YubiKey :\n", bufcount);
+#endif
        for (seq = 0; ptr < end; seq++) {
                int all_zeros = 1;
                /* Ignore parts that are all zeroes except first and last
@@ -543,7 +551,9 @@ int yk_write_to_key(YK_KEY *yk, uint8_t slot, const void *buf, int bufcount)
                if (! yk_wait_for_key_status(yk, slot, 0, WAIT_FOR_WRITE_FLAG,
                                             false, SLOT_WRITE_FLAG, NULL))
                        return 0;
-
+#ifdef YK_DEBUG
+               _yk_hexdump(repbuf, FEATURE_RPT_SIZE);
+#endif
                if (!_ykusb_write(yk, REPORT_TYPE_FEATURE, 0,
                                  (char *)repbuf, FEATURE_RPT_SIZE))
                        return 0;