fix configure: Thanks to Sumedha Widyadharma

ChangeLog

@@ -1,5 +1,16 @@
 2013-09-25  Niibe Yutaka  <gniibe@fsij.org>
 
+	* VERSION: New file.
+
+	* src/configure (SERIALNO, SERIALNO_STR_LEN_DEFINE): New.
+	(REVISION): Use the file VERSION if it doesn't have .git.
+	Thanks to Sumedha Widyadharma for the bug report.
+
+	* src/config.h.in (SERIALNO_STR_LEN_DEFINE): New.
+	* src/main.c (ID_OFFSET): Use SERIALNO_STR_LEN.
+	* src/usb_desc.c (gnukStringSerial): Remove.  It's now
+	generated in usb-strings.c.inc.
+
 	* src/ec_p256.c (compute_kP): Fix for impossible cases.
 	(point_is_on_the_curve): New.
 	(coefficient_a, coefficient_b): New.

README

@@ -297,8 +297,10 @@ please contact Niibe, so that it is listed to the file in the official
 release of the source code.
 
 When you are modifing Gnuk and installing the binary to device, you
-should replace the vendor string to yours, so that users can see it's
+should replace the vendor string and serial number to yours (in the
-not by original vendor, and it is modified version.
+file GNUK_USB_DEVICE_ID and SERIALNO of the script of src/configure),
+so that users can see it's not by original vendor, and it is modified
+version.
 
 FSIJ allows you to use USB device ID of FSIJ (234b:0000) for devices
 with Gnuk under one of following conditions:

VERSION

@@ -0,0 +1 @@
+release/1.1.0

src/config.h.in

@@ -6,3 +6,4 @@
 @PINPAD_DEFINE@
 @PINPAD_MORE_DEFINE@
 @CERTDO_DEFINE@
+@SERIALNO_STR_LEN@

src/configure

@@ -200,7 +200,18 @@ else
   echo "Key generation on device is NOT supported"
 fi
 
+if test -d ../.git; then
   REVISION=`git describe --dirty="-modified"` 
+else
+  REVISION=`cat ../VERSION`
+fi
+
+### !!! Replace following string of "FSIJ" to yours !!! ####
+SERIALNO="FSIJ-`cat ../VERSION | sed -e 's%^[^/]*/%%'`-"
+
+SERIALNO_STR_LEN_DEFINE="#define SERIALNO_STR_LEN ${#SERIALNO}"
+
+
 CONFIG="$target:dfu=$with_dfu:debug=$debug:pinpad=$pinpad:certdo=$certdo:keygen=$keygen"
 
 if !(IFS="	"
@@ -223,6 +234,15 @@ if !(IFS="	"
        echo $PRODUCT | sed -n -e "s/\(........\)/\1\n/gp" | sed -n -e "s/\(.\)/'\1', 0, /g" -e "s/^/  /" -e "s/ $//p"
        echo '};'
        echo
+       echo 'const uint8_t gnukStringSerial[] = {'
+       echo "  ${#SERIALNO}*2+2+16,			/* bLength */"
+       echo "  USB_STRING_DESCRIPTOR_TYPE,	/* bDescriptorType */"
+       echo "  /* Serial number: \"$SERIALNO\" */"
+       echo $SERIALNO | sed -n -e "s/\(........\)/\1\n/gp" | sed -n -e "s/\(.\)/'\1', 0, /g" -e "s/^/  /" -e "s/ $//p"
+       echo "  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,"
+       echo "  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,"
+       echo '};'
+       echo
        echo '#ifdef USB_STRINGS_FOR_GNUK'
        echo 'static const uint8_t gnuk_revision_detail[] = {'
        echo "  ${#REVISION}*2+2,			/* bLength */"
@@ -278,5 +298,6 @@ sed -e "s/@DEBUG_DEFINE@/$DEBUG_DEFINE/" \
     -e "s/@PINPAD_DEFINE@/$PINPAD_DEFINE/" \
     -e "s/@PINPAD_MORE_DEFINE@/$PINPAD_MORE_DEFINE/" \
     -e "s/@CERTDO_DEFINE@/$CERTDO_DEFINE/" \
+    -e "s/@SERIALNO_STR_LEN@/$SERIALNO_STR_LEN_DEFINE/" \
 	< config.h.in > config.h
 exit 0

src/main.c

@@ -121,8 +121,7 @@ extern void *USBthread (void *arg);
 #define LED_TIMEOUT_STOP	(200*1000)
 
 
-/* It has two-byte prefix and content is "FSIJ-1.0.1-" (2 + 11*2).  */
+#define ID_OFFSET (2+SERIALNO_STR_LEN*2)
-#define ID_OFFSET 24
 static void
 device_initialize_once (void)
 {

src/usb_desc.c

@@ -272,17 +272,6 @@ static const uint8_t gnukStringLangID[] = {
 #define USB_STRINGS_FOR_GNUK 1
 #include "usb-strings.c.inc"
 
-const uint8_t gnukStringSerial[] = {
-  19*2+2,			/* bLength */
-  USB_STRING_DESCRIPTOR_TYPE,	/* bDescriptorType */
-  /* FSIJ-1.0.1- */
-  'F', 0, 'S', 0, 'I', 0, 'J', 0, '-', 0,
-  '1', 0, '.', 0, '0', 0, '.', 0, '2', 0, /* Version number of Gnuk */
-  '-', 0,
-  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-};
-
 static const struct Descriptor Device_Descriptor = {
   gnukDeviceDescriptor,
   sizeof (gnukDeviceDescriptor)