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src/config.h

@@ -0,0 +1,4 @@
+#define DEBUG 1
+#define ENABLE_VIRTUAL_COM_PORT 1
+
+#define GNUK_MAX_PACKET_SIZE 64	/* USB */

src/flash.c

@@ -0,0 +1,56 @@
+/*
+ * flash.c -- Data Objects (DO) and GPG Key handling on Flash ROM
+ *
+ * Copyright (C) 2010 Free Software Initiative of Japan
+ * Author: NIIBE Yutaka <gniibe@fsij.org>
+ *
+ * This file is a part of Gnuk, a GnuPG USB Token implementation.
+ *
+ * Gnuk is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Gnuk is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "ch.h"
+#include "gnuk.h"
+
+uint8_t *
+flash_do_write (uint16_t tag, uint8_t *data, int len)
+{
+  static uint8_t do_pool[1024];
+  static uint8_t *last_p = do_pool;
+  uint8_t *p = last_p;
+
+  if (last_p - do_pool + len + 2 + 3 > 1024)
+    return NULL;
+
+  *last_p++ = (tag >> 8);
+  *last_p++ = (tag & 0xff);
+  if (len < 128)
+    *last_p++ = len;
+  else if (len < 256)
+    {
+      *last_p++ = 0x81;
+      *last_p++ = len;
+    }
+  else
+    {
+      *last_p++ = 0x82;
+      *last_p++ = (len >> 8);
+      *last_p++ = (len & 0xff);
+    }
+  memcpy (last_p, data, len);
+  last_p += len;
+
+  return p + 2;
+}

src/usb-cdc-vport.c

@@ -0,0 +1,100 @@
+/*
+ * This file is included by usb_prop.c to provide Virtual COM port feature
+ */
+
+/* Original is ../Virtual_COM_Port/usb_prop.c by STMicroelectronics */
+/* Chopped and modified for Gnuk */
+
+#include "usb-cdc.h"
+
+/* Original copyright notice is following: */
+/******************** (C) COPYRIGHT 2010 STMicroelectronics ********************
+* File Name          : usb_prop.c
+* Author             : MCD Application Team
+* Version            : V3.1.1
+* Date               : 04/07/2010
+* Description        : All processing related to Virtual Com Port Demo
+********************************************************************************
+* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
+* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
+* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
+* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
+* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+*******************************************************************************/
+
+typedef struct
+{
+  uint32_t bitrate;
+  uint8_t format;
+  uint8_t paritytype;
+  uint8_t datatype;
+} LINE_CODING;
+
+static LINE_CODING linecoding = {
+  115200, /* baud rate*/
+  0x00,   /* stop bits-1*/
+  0x00,   /* parity - none*/
+  0x08    /* no. of bits 8*/
+};
+
+static uint8_t *Virtual_Com_Port_GetLineCoding(uint16_t Length)
+{
+  if (Length == 0)
+    {
+      pInformation->Ctrl_Info.Usb_wLength = sizeof(linecoding);
+      return NULL;
+    }
+
+  return (uint8_t *)&linecoding;
+}
+
+static uint8_t *Virtual_Com_Port_SetLineCoding(uint16_t Length)
+{
+  if (Length == 0)
+    {
+      pInformation->Ctrl_Info.Usb_wLength = sizeof(linecoding);
+      return NULL;
+    }
+
+  return (uint8_t *)&linecoding;
+}
+
+static RESULT
+Virtual_Com_Port_Data_Setup (uint8_t RequestNo)
+{
+  uint8_t    *(*CopyRoutine)(uint16_t);
+
+  CopyRoutine = NULL;
+
+  if (RequestNo == USB_CDC_REQ_GET_LINE_CODING)
+    {
+      if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT))
+	CopyRoutine = Virtual_Com_Port_GetLineCoding;
+    }
+  else if (RequestNo == USB_CDC_REQ_SET_LINE_CODING)
+    {
+      if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT))
+	CopyRoutine = Virtual_Com_Port_SetLineCoding;
+    }
+
+  if (CopyRoutine == NULL)
+    return USB_UNSUPPORT;
+
+  pInformation->Ctrl_Info.CopyData = CopyRoutine;
+  pInformation->Ctrl_Info.Usb_wOffset = 0;
+  (*CopyRoutine) (0);		/* Set Ctrl_Info.Usb_wLength */
+
+  return USB_SUCCESS;
+}
+
+static RESULT
+Virtual_Com_Port_NoData_Setup (uint8_t RequestNo)
+{
+  if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT)
+      && RequestNo == USB_CDC_REQ_SET_CONTROL_LINE_STATE)
+    /* Do nothing and success  */
+    return USB_SUCCESS;
+
+  return USB_UNSUPPORT;
+}

src/usb-cdc.h

@@ -0,0 +1,7 @@
+/*
+ * Class specific control requests for CDC
+ */
+#define USB_CDC_REQ_SET_LINE_CODING             0x20
+#define USB_CDC_REQ_GET_LINE_CODING             0x21
+#define USB_CDC_REQ_SET_CONTROL_LINE_STATE      0x22
+#define USB_CDC_REQ_SEND_BREAK                  0x23