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stick20hid.c
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stick20hid.c
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/*
* Author: Copyright (C) Rudolf Boeddeker Date: 2013-08-12
*
* This file is part of GPF Crypto Stick 2
*
* GPF Crypto Stick 2 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
* any later version.
*
* GPF Crypto Stick 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 GPF Crypto Stick. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "stick20hid.h"
#define FALSE 0
#define TRUE 1
/*******************************************************************************
Local defines
*******************************************************************************/
/*******************************************************************************
Global declarations
*******************************************************************************/
char DebugText_Stick20[STICK20_DEBUG_TEXT_LEN];
unsigned long DebugTextlen_Stick20 = 0;
char DebugTextHasChanged = FALSE;
int DebugingActive = FALSE;
int DebugingStick20PoolingActive = FALSE;
char DebugNewText[STICK20_DEBUG_TEXT_LEN]; // We have it
int DebugNewTextLen = 0;
HID_Stick20SendData_est HID_Stick20ReceiveData_st;
HID_Stick20MatrixPasswordData_est HID_Stick20MatrixPasswordData_st;
int Stick20_ConfigurationChanged = FALSE;
volatile typeStick20Configuration_st HID_Stick20Configuration_st;
int Stick20_ProductionInfosChanged = FALSE;
typeStick20ProductionInfos_st Stick20ProductionInfos_st;
/*******************************************************************************
External declarations
*******************************************************************************/
/** Only for debugging */
/*******************************************************************************
DebugClearText
Reviews
Date Reviewer Info
12.08.13 RB First review
*******************************************************************************/
void DebugClearText (void)
{
DebugText_Stick20[0] = 0;
DebugTextlen_Stick20 = 0;
DebugNewText[0] = 0;
DebugNewTextLen = 0;
DebugTextHasChanged = FALSE;
}
/*******************************************************************************
DebugAppendText
Reviews
Date Reviewer Info
12.08.13 RB First review
*******************************************************************************/
void DebugAppendText (char *Text)
{
int i;
if (FALSE == DebugingActive) // Don't save text when debugging is disabled
{
return;
}
if (STICK20_DEBUG_TEXT_LEN <= DebugTextlen_Stick20 + strlen (Text) + DebugNewTextLen - 1)
{
return;
}
i = 0;
while (Text[i] != 0)
{
// Remove embedded LF
if ('\r' != Text[i])
{
DebugNewText[DebugNewTextLen] = Text[i];
DebugNewTextLen++;
}
i++;
}
DebugNewText[DebugNewTextLen] = 0;
if (0 != i)
{
DebugTextHasChanged = TRUE;
}
}
/** Only for debugging - End */
/*******************************************************************************
HID_Stick20Init
Changes
Date Author Info
09.07.14 RB Function created
Reviews
Date Reviewer Info
*******************************************************************************/
void HID_Stick20Init (void)
{
HID_Stick20Configuration_st.MagicNumber_StickConfig_u16 = 0;
HID_Stick20Configuration_st.ReadWriteFlagUncryptedVolume_u8 = 0;
HID_Stick20Configuration_st.ReadWriteFlagCryptedVolume_u8 = 0;
memcpy (HID_Stick20Configuration_st.VersionInfo_au8,"----",4);
HID_Stick20Configuration_st.ReadWriteFlagHiddenVolume_u8 = 0;
HID_Stick20Configuration_st.FirmwareLocked_u8 = 0;
HID_Stick20Configuration_st.NewSDCardFound_u8 = 0;
HID_Stick20Configuration_st.SDFillWithRandomChars_u8 = 0;
HID_Stick20Configuration_st.ActiveSD_CardID_u32 = 0;
HID_Stick20Configuration_st.VolumeActiceFlag_u8 = 0;
HID_Stick20Configuration_st.NewSmartCardFound_u8 = 0;
HID_Stick20Configuration_st.UserPwRetryCount = 99;
HID_Stick20Configuration_st.AdminPwRetryCount = 99;
HID_Stick20Configuration_st.ActiveSmartCardID_u32 = 0;
HID_Stick20Configuration_st.StickKeysNotInitiated = 0;
}
/*******************************************************************************
HID_GetStick20Configuration
Reviews
Date Reviewer Info
13.08.13 RB First review
*******************************************************************************/
int HID_GetStick20Configuration (void)
{
char text[50];
// unsigned char NewDebugBlock = 1;
// int len;
static typeStick20Configuration_st SavedConfiguration_st;
DebugAppendText ("GetStick20Configuration\n");
// NewDebugBlock = HID_Stick20ReceiveData_st.SendCounter_u8;
// len = HID_Stick20ReceiveData_st.SendSize_u8;
memcpy (&HID_Stick20Configuration_st,
&HID_Stick20ReceiveData_st.SendData_u8[0],
sizeof (HID_Stick20Configuration_st));
if (0 != memcmp((void*)&HID_Stick20Configuration_st,(void*)&SavedConfiguration_st,sizeof (typeStick20Configuration_st)))
{
Stick20_ConfigurationChanged = TRUE;
SavedConfiguration_st = HID_Stick20Configuration_st;
}
sprintf(text,"HID_GetStick20Configuration\n" ); DebugAppendText (text);
sprintf(text,"MagicNumber_StickConfig_u16 : %d\n",HID_Stick20Configuration_st.MagicNumber_StickConfig_u16 ); DebugAppendText (text);
sprintf(text,"ReadWriteFlagUncryptedVolume_u8 : %d\n",HID_Stick20Configuration_st.ReadWriteFlagUncryptedVolume_u8 ); DebugAppendText (text);
sprintf(text,"ReadWriteFlagCryptedVolume_u8 : %d\n",HID_Stick20Configuration_st.ReadWriteFlagCryptedVolume_u8 ); DebugAppendText (text);
sprintf(text,"VersionInfo_au8[4] : %d %d %d %d\n",HID_Stick20Configuration_st.VersionInfo_au8[0],HID_Stick20Configuration_st.VersionInfo_au8[1],HID_Stick20Configuration_st.VersionInfo_au8[2],HID_Stick20Configuration_st.VersionInfo_au8[3] ); DebugAppendText (text);
sprintf(text,"ReadWriteFlagHiddenVolume_u8 : %d\n",HID_Stick20Configuration_st.ReadWriteFlagHiddenVolume_u8 ); DebugAppendText (text);
sprintf(text,"FirmwareLocked_u8 : %d\n",HID_Stick20Configuration_st.FirmwareLocked_u8 ); DebugAppendText (text);
sprintf(text,"NewSDCardFound_u8 : %d\n",HID_Stick20Configuration_st.NewSDCardFound_u8 ); DebugAppendText (text);
sprintf(text,"SDFillWithRandomChars_u8 : %d\n",HID_Stick20Configuration_st.SDFillWithRandomChars_u8 ); DebugAppendText (text);
sprintf(text,"ActiveSD_CardID_u32 : 0x%08X\n",HID_Stick20Configuration_st.ActiveSD_CardID_u32 ); DebugAppendText (text);
sprintf(text,"VolumeActiceFlag_u8 : %d\n",HID_Stick20Configuration_st.VolumeActiceFlag_u8 ); DebugAppendText (text);
sprintf(text,"NewSmartCardFound_u8 : %d\n",HID_Stick20Configuration_st.NewSmartCardFound_u8 ); DebugAppendText (text);
sprintf(text,"UserPwRetryCount : %d\n",HID_Stick20Configuration_st.UserPwRetryCount ); DebugAppendText (text);
sprintf(text,"AdminPwRetryCount : %d\n",HID_Stick20Configuration_st.AdminPwRetryCount ); DebugAppendText (text);
sprintf(text,"ActiveSmartCardID_u32 : 0x%X\n",HID_Stick20Configuration_st.ActiveSmartCardID_u32 ); DebugAppendText (text);
sprintf(text,"StickKeysNotInitiated : %d\n",HID_Stick20Configuration_st.StickKeysNotInitiated ); DebugAppendText (text);
// if(len){}//Fix warnings
// if(NewDebugBlock){}//Fix warnings
return (TRUE);
}
/*******************************************************************************
HID_GetStick20ProductionInfos
Changes
Date Author Info
07.07.14 RB Function created
Reviews
Date Reviewer Info
*******************************************************************************/
int HID_GetStick20ProductionInfos (void)
{
unsigned char NewDebugBlock = 1;
int len;
static typeStick20ProductionInfos_st SavedProductionInfos_st;
DebugAppendText ("GetStick20ProductionInfos");
NewDebugBlock = HID_Stick20ReceiveData_st.SendCounter_u8;
len = HID_Stick20ReceiveData_st.SendSize_u8;
memcpy (&Stick20ProductionInfos_st,
&HID_Stick20ReceiveData_st.SendData_u8[0],
sizeof (typeStick20ProductionInfos_st));
if (0 != memcmp((void*)&Stick20ProductionInfos_st,(void*)&SavedProductionInfos_st,sizeof (typeStick20ProductionInfos_st)))
{
Stick20_ProductionInfosChanged = TRUE;
SavedProductionInfos_st = Stick20ProductionInfos_st;
}
if(len){}//Fix warnings
if(NewDebugBlock){}//Fix warnings
return (TRUE);
}
/*******************************************************************************
HID_GetStick20PasswordMatrixData
Password matrix HID Block
Byte
0 Status
0 - IDEL
1 - Start new Block
2 - Data 0-19
3 - Data 20-39
4 - Data 40-59
5 - Data 60-79
6 - Data 80-99
7 - All Data send, CRC
1-20 Data or CRC
Reviews
Date Reviewer Info
13.08.13 RB First review
*******************************************************************************/
int HID_GetStick20PasswordMatrixData (void)
{
static unsigned char LastDebugBlock = 0;
unsigned char NewDebugBlock = 1;
int len;
NewDebugBlock = HID_Stick20ReceiveData_st.SendCounter_u8;
len = HID_Stick20ReceiveData_st.SendSize_u8;
if ((LastDebugBlock != NewDebugBlock) && (len != 0))
{
switch (HID_Stick20ReceiveData_st.SendData_u8[0])
{
case 0 :
break;
case 1 :
DebugAppendText ("GetStick20PasswordMatrixData 1\n");
HID_Stick20MatrixPasswordData_st.StatusFlag_u8 = STICK20_PASSWORD_MATRIX_STATUS_GET_NEW_BLOCK;
memset (&HID_Stick20MatrixPasswordData_st.PasswordMatrix_u8[0],-1,STICK20_PASSWORD_MATRIX_DATA_LEN);
break;
case 2 :
DebugAppendText ("GetStick20PasswordMatrixData 2\n");
memcpy (&HID_Stick20MatrixPasswordData_st.PasswordMatrix_u8[0],
&HID_Stick20ReceiveData_st.SendData_u8[1],
20);
break;
case 3 :
DebugAppendText ("GetStick20PasswordMatrixData 3\n");
memcpy (&HID_Stick20MatrixPasswordData_st.PasswordMatrix_u8[20],
&HID_Stick20ReceiveData_st.SendData_u8[1],
20);
break;
case 4 :
DebugAppendText ("GetStick20PasswordMatrixData 4\n");
memcpy (&HID_Stick20MatrixPasswordData_st.PasswordMatrix_u8[40],
&HID_Stick20ReceiveData_st.SendData_u8[1],
20);
break;
case 5 :
DebugAppendText ("GetStick20PasswordMatrixData 5\n");
memcpy (&HID_Stick20MatrixPasswordData_st.PasswordMatrix_u8[60],
&HID_Stick20ReceiveData_st.SendData_u8[1],
20);
break;
case 6 :
DebugAppendText ("GetStick20PasswordMatrixData 6\n");
memcpy (&HID_Stick20MatrixPasswordData_st.PasswordMatrix_u8[80],
&HID_Stick20ReceiveData_st.SendData_u8[1],
20);
break;
case 7 :
DebugAppendText ("GetStick20PasswordMatrixData 7 - All in\n");
HID_Stick20MatrixPasswordData_st.StatusFlag_u8 = STICK20_PASSWORD_MATRIX_STATUS_NEW_BLOCK_RECEIVED;
break;
default :
break;
}
LastDebugBlock = HID_Stick20ReceiveData_st.SendCounter_u8;
}
return (TRUE);
}
/*******************************************************************************
HID_GetStick20DebugData
Reviews
Date Reviewer Info
12.08.13 RB First review
*******************************************************************************/
int HID_GetStick20DebugData (void)
{
static unsigned char LastDebugBlock = 0;
unsigned char NewDebugBlock = 1;
int len;
NewDebugBlock = HID_Stick20ReceiveData_st.SendCounter_u8;
len = HID_Stick20ReceiveData_st.SendSize_u8;
if ((LastDebugBlock != NewDebugBlock) && (len != 0))
{
if (OUTPUT_CMD_STICK20_SEND_DATA_SIZE < len)
{
len = OUTPUT_CMD_STICK20_SEND_DATA_SIZE;
}
HID_Stick20ReceiveData_st.SendData_u8[len] = 0;
DebugAppendText ((char *)&HID_Stick20ReceiveData_st.SendData_u8[0]);
LastDebugBlock = HID_Stick20ReceiveData_st.SendCounter_u8;
}
return (TRUE);
}
/*******************************************************************************
HID_GetStick20ReceiveData
Reviews
Date Reviewer Info
12.08.13 RB First review
*******************************************************************************/
int HID_GetStick20ReceiveData (unsigned char *data)
{
//static unsigned char LastDebugBlock = 0;
//unsigned char NewDebugBlock = 1;
/* Copy Stick 2.0 HID response to receive struct */
#ifdef WIN32
memcpy ((void*)&HID_Stick20ReceiveData_st,data+1+OUTPUT_CMD_RESULT_STICK20_DATA_START,sizeof (HID_Stick20ReceiveData_st));
#endif
#ifdef linux
memcpy ((void*)&HID_Stick20ReceiveData_st,data+OUTPUT_CMD_RESULT_STICK20_DATA_START,sizeof (HID_Stick20ReceiveData_st));
#endif
#ifdef MAC
To Check ....
memcpy ((void*)&HID_Stick20ReceiveData_st,data+OUTPUT_CMD_RESULT_STICK20_DATA_START,sizeof (HID_Stick20ReceiveData_st));
#endif
if (OUTPUT_CMD_STICK20_SEND_DATA_TYPE_NONE != HID_Stick20ReceiveData_st.SendDataType_u8)
{
char text[1000];
int i;
sprintf(text,"HID_GetStick20ReceiveData: ");
DebugAppendText (text);
for (i=0;i<64;i++)
{
sprintf(text,"%02x ",data[i]);
DebugAppendText (text);
}
sprintf(text,"\n");
DebugAppendText (text);
/*
sprintf(text,"HID_GetStick20ReceiveData: SendCounter %d Typ %d - %d - Size %d\n",
HID_Stick20ReceiveData_st.SendCounter_u8,
HID_Stick20ReceiveData_st.SendDataType_u8,
HID_Stick20ReceiveData_st.FollowBytesFlag_u8,
HID_Stick20ReceiveData_st.SendSize_u8
);
DebugAppendText (text);
*/
}
switch (HID_Stick20ReceiveData_st.SendDataType_u8)
{
case OUTPUT_CMD_STICK20_SEND_DATA_TYPE_DEBUG :
HID_GetStick20DebugData ();
break;
case OUTPUT_CMD_STICK20_SEND_DATA_TYPE_PW_DATA :
HID_GetStick20PasswordMatrixData ();
break;
case OUTPUT_CMD_STICK20_SEND_DATA_TYPE_STATUS :
HID_GetStick20Configuration ();
break;
case OUTPUT_CMD_STICK20_SEND_DATA_TYPE_PROD_INFO :
HID_GetStick20ProductionInfos ();
break;
}
return (TRUE);
}