| 1 |
/*
|
| 2 |
ccid_usb.c: USB access routines using the libusb library
|
| 3 |
Copyright (C) 2003 Ludovic Rousseau
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| 4 |
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| 5 |
This program is free software; you can redistribute it and/or modify
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| 6 |
it under the terms of the GNU General Public License as published by
|
| 7 |
the Free Software Foundation; either version 2 of the License, or
|
| 8 |
(at your option) any later version.
|
| 9 |
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| 10 |
This program is distributed in the hope that it will be useful,
|
| 11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 |
GNU General Public License for more details.
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| 14 |
|
| 15 |
You should have received a copy of the GNU General Public License
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| 16 |
along with this program; if not, write to the Free Software
|
| 17 |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 18 |
*/
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| 19 |
|
| 20 |
/*
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| 21 |
* $Id$
|
| 22 |
*/
|
| 23 |
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| 24 |
#define __CCID_USB__
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| 25 |
|
| 26 |
#include <stdio.h>
|
| 27 |
#include <string.h>
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| 28 |
#include <errno.h>
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| 29 |
#include <usb.h>
|
| 30 |
|
| 31 |
#include "pcscdefines.h"
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| 32 |
#include "config.h"
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| 33 |
#include "debug.h"
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| 34 |
#include "utils.h"
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| 35 |
#include "parser.h"
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| 36 |
|
| 37 |
|
| 38 |
//#define USB_TIMEOUT 60000 /* 1 minute timeout */
|
| 39 |
#define USB_TIMEOUT 1000 /* 1 second timeout */
|
| 40 |
|
| 41 |
#define BUS_DEVICE_STRSIZE 32
|
| 42 |
|
| 43 |
typedef struct
|
| 44 |
{
|
| 45 |
usb_dev_handle *handle;
|
| 46 |
struct usb_device *dev;
|
| 47 |
|
| 48 |
/*
|
| 49 |
* Used to store device name string %s/%s like:
|
| 50 |
* 001/002 (Linux)
|
| 51 |
* /dev/usb0//dev/ (FreeBSD)
|
| 52 |
* /dev/usb0//dev/ugen0 (OpenBSD)
|
| 53 |
*/
|
| 54 |
char device_name[BUS_DEVICE_STRSIZE];
|
| 55 |
|
| 56 |
/*
|
| 57 |
* CCID Sequence number
|
| 58 |
*/
|
| 59 |
int bSeq;
|
| 60 |
|
| 61 |
/*
|
| 62 |
* Endpoints
|
| 63 |
*/
|
| 64 |
int bulk_in;
|
| 65 |
int bulk_out;
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| 66 |
} _usbDevice;
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| 67 |
|
| 68 |
// The _usbDevice structure must be defined before including ccid_usb.h
|
| 69 |
#include "ccid_usb.h"
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| 70 |
|
| 71 |
#if (PCSCLITE_MAX_CHANNELS-16)
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| 72 |
#error Edit this file and set the number of initialiser to PCSCLITE_MAX_CHANNELS (default was 16 but it has changed)
|
| 73 |
#endif
|
| 74 |
static _usbDevice usbDevice[PCSCLITE_MAX_CHANNELS] = {
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| 75 |
{ NULL, NULL, "", 0, 0, 0 }, { NULL, NULL, "", 0, 0, 0 },
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| 76 |
{ NULL, NULL, "", 0, 0, 0 }, { NULL, NULL, "", 0, 0, 0 },
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| 77 |
{ NULL, NULL, "", 0, 0, 0 }, { NULL, NULL, "", 0, 0, 0 },
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| 78 |
{ NULL, NULL, "", 0, 0, 0 }, { NULL, NULL, "", 0, 0, 0 },
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| 79 |
{ NULL, NULL, "", 0, 0, 0 }, { NULL, NULL, "", 0, 0, 0 },
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| 80 |
{ NULL, NULL, "", 0, 0, 0 }, { NULL, NULL, "", 0, 0, 0 },
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| 81 |
{ NULL, NULL, "", 0, 0, 0 }, { NULL, NULL, "", 0, 0, 0 },
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| 82 |
{ NULL, NULL, "", 0, 0, 0 }, { NULL, NULL, "", 0, 0, 0 }
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| 83 |
};
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| 84 |
|
| 85 |
#define PCSCLITE_MANUKEY_NAME "ifdVendorID"
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| 86 |
#define PCSCLITE_PRODKEY_NAME "ifdProductID"
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| 87 |
#define PCSCLITE_NAMEKEY_NAME "ifdFriendlyName"
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| 88 |
|
| 89 |
/*****************************************************************************
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| 90 |
*
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| 91 |
* OpenUSB
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| 92 |
*
|
| 93 |
****************************************************************************/
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| 94 |
status_t OpenUSB(int lun, int Channel)
|
| 95 |
{
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| 96 |
static struct usb_bus *busses = NULL;
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| 97 |
int reader = LunToReaderIndex(lun);
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| 98 |
int alias = 0;
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| 99 |
struct usb_bus *bus;
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| 100 |
struct usb_dev_handle *dev_handle;
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| 101 |
char keyValue[TOKEN_MAX_VALUE_SIZE];
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| 102 |
int vendorID, productID;
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| 103 |
|
| 104 |
DEBUG_COMM3("OpenUSB: Lun: %X, Channel: %X", lun, Channel);
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| 105 |
|
| 106 |
if (busses == NULL)
|
| 107 |
{
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| 108 |
usb_init();
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| 109 |
}
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| 110 |
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| 111 |
usb_find_busses();
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usb_find_devices();
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| 113 |
|
| 114 |
busses = usb_get_busses();
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| 115 |
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| 116 |
if (busses == NULL)
|
| 117 |
{
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| 118 |
DEBUG_CRITICAL("No USB busses found");
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| 119 |
return STATUS_UNSUCCESSFUL;
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| 120 |
}
|
| 121 |
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| 122 |
/* is the lun already used? */
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| 123 |
if (usbDevice[reader].handle != NULL)
|
| 124 |
{
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| 125 |
DEBUG_CRITICAL2("USB driver with lun %X already in use", lun);
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return STATUS_UNSUCCESSFUL;
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}
|
| 128 |
|
| 129 |
/* general driver info */
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| 130 |
if (!LTPBundleFindValueWithKey(PCSCLITE_HP_DROPDIR "/Contents/Info.plist", "ifdManufacturerString", keyValue, 0))
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DEBUG_CRITICAL2("Manufacturer: %s", keyValue);
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else
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| 133 |
{
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| 134 |
DEBUG_CRITICAL2("LTPBundleFindValueWithKey error. Can't find %s?",
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| 135 |
PCSCLITE_HP_DROPDIR "/Contents/Info.plist");
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return STATUS_UNSUCCESSFUL;
|
| 137 |
}
|
| 138 |
if (!LTPBundleFindValueWithKey(PCSCLITE_HP_DROPDIR "/Contents/Info.plist", "ifdProductString", keyValue, 0))
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| 139 |
DEBUG_CRITICAL2("ProductString: %s", keyValue);
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| 140 |
else
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| 141 |
return STATUS_UNSUCCESSFUL;
|
| 142 |
if (!LTPBundleFindValueWithKey(PCSCLITE_HP_DROPDIR "/Contents/Info.plist", "Copyright", keyValue, 0))
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| 143 |
DEBUG_CRITICAL2("Copyright: %s", keyValue);
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| 144 |
else
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| 145 |
return STATUS_UNSUCCESSFUL;
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| 146 |
vendorID = strlen(keyValue);
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alias = 0x1D;
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for (; vendorID--;)
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alias ^= keyValue[vendorID];
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| 150 |
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| 151 |
/* for any supported reader */
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| 152 |
while (LTPBundleFindValueWithKey(PCSCLITE_HP_DROPDIR "/Contents/Info.plist", PCSCLITE_MANUKEY_NAME, keyValue, alias) == 0)
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{
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vendorID = strtol(keyValue, 0, 16);
|
| 155 |
|
| 156 |
if (LTPBundleFindValueWithKey(PCSCLITE_HP_DROPDIR "/Contents/Info.plist", PCSCLITE_PRODKEY_NAME, keyValue, alias))
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| 157 |
goto end;
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| 158 |
productID = strtol(keyValue, 0, 16);
|
| 159 |
|
| 160 |
if (LTPBundleFindValueWithKey(PCSCLITE_HP_DROPDIR "/Contents/Info.plist", PCSCLITE_NAMEKEY_NAME, keyValue, alias))
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goto end;
|
| 162 |
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| 163 |
/* on any USB buses */
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for (bus = busses; bus; bus = bus->next)
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{
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struct usb_device *dev;
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/* any device on this bus */
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for (dev = bus->devices; dev; dev = dev->next)
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{
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if (dev->descriptor.idVendor == vendorID
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&& dev->descriptor.idProduct == productID)
|
| 173 |
{
|
| 174 |
int r, already_used;
|
| 175 |
char device_name[BUS_DEVICE_STRSIZE];
|
| 176 |
|
| 177 |
if (snprintf(device_name, BUS_DEVICE_STRSIZE, "%s/%s",
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| 178 |
bus->dirname, dev->filename) < 0)
|
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{
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| 180 |
DEBUG_CRITICAL2("Device name too long: %s", device_name);
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return STATUS_UNSUCCESSFUL;
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}
|
| 183 |
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| 184 |
/* is it already opened? */
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| 185 |
already_used = FALSE;
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for (r=0; r<PCSCLITE_MAX_CHANNELS; r++)
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{
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| 188 |
if (usbDevice[r].dev)
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{
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| 190 |
DEBUG_COMM3("Checking new device '%s' against old '%s'",
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device_name, usbDevice[r].device_name);
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| 192 |
if (strcmp(usbDevice[r].device_name, device_name) == 0)
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already_used = TRUE;
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| 194 |
}
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| 195 |
}
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| 197 |
if (!already_used)
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{
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dev_handle = usb_open(dev);
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| 200 |
if (dev_handle)
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{
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int interface;
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| 204 |
DEBUG_COMM2("Trying to open USB bus/device: %s", device_name);
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if (dev->config == NULL)
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{
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| 208 |
DEBUG_CRITICAL2("No dev->config found for %s", device_name);
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return STATUS_UNSUCCESSFUL;
|
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}
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| 211 |
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| 212 |
interface = dev->config->interface->altsetting->bInterfaceNumber;
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if (usb_claim_interface(dev_handle, interface) < 0)
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| 214 |
{
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| 215 |
DEBUG_CRITICAL3("Can't claim interface %s: %s",
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usbDevice[reader].device_name,
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strerror(errno));
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| 218 |
return STATUS_UNSUCCESSFUL;
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| 219 |
}
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| 220 |
|
| 221 |
DEBUG_INFO4("Found Vendor/Product: %04X/%04X (%s)",
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dev->descriptor.idVendor,
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dev->descriptor.idProduct, keyValue);
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DEBUG_INFO2("Using USB bus/device: %s", device_name);
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/* Get Endpoints values*/
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get_end_points(dev, &usbDevice[reader]);
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/* store device information */
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usbDevice[reader].handle = dev_handle;
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usbDevice[reader].dev = dev;
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strncpy(usbDevice[reader].device_name,
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device_name, BUS_DEVICE_STRSIZE);
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| 234 |
usbDevice[reader].bSeq = 1;
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goto end;
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}
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| 238 |
else
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| 239 |
DEBUG_CRITICAL3("Can't usb_open(%s): %s", device_name,
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strerror(errno));
|
| 241 |
}
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| 242 |
else
|
| 243 |
{
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| 244 |
DEBUG_INFO2("USB device %s already in use. Checking next one.",
|
| 245 |
device_name);
|
| 246 |
}
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| 247 |
}
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}
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}
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| 250 |
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| 251 |
/* go to next supported reader */
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alias++;
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| 253 |
}
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end:
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| 255 |
if (usbDevice[reader].handle == NULL)
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return STATUS_UNSUCCESSFUL;
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| 257 |
|
| 258 |
return STATUS_SUCCESS;
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} /* OpenUSB */
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| 260 |
|
| 261 |
|
| 262 |
/*****************************************************************************
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| 263 |
*
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| 264 |
* WriteUSB
|
| 265 |
*
|
| 266 |
****************************************************************************/
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| 267 |
status_t WriteUSB(int lun, int length, unsigned char *buffer)
|
| 268 |
{
|
| 269 |
int rv;
|
| 270 |
int reader = LunToReaderIndex(lun);
|
| 271 |
#ifdef DEBUG_LEVEL_COMM
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| 272 |
char debug_header[] = "-> 121234 ";
|
| 273 |
|
| 274 |
sprintf(debug_header, "-> %06X ", (int)lun);
|
| 275 |
#endif
|
| 276 |
|
| 277 |
#ifdef DEBUG_LEVEL_COMM
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| 278 |
DEBUG_XXD(debug_header, buffer, length);
|
| 279 |
#endif
|
| 280 |
|
| 281 |
rv = usb_bulk_write(usbDevice[reader].handle, usbDevice[reader].bulk_out, buffer, length, USB_TIMEOUT);
|
| 282 |
|
| 283 |
if (rv < 0)
|
| 284 |
{
|
| 285 |
DEBUG_CRITICAL3("usb_bulk_write(%s): %s",
|
| 286 |
usbDevice[reader].device_name, strerror(errno));
|
| 287 |
return STATUS_UNSUCCESSFUL;
|
| 288 |
}
|
| 289 |
|
| 290 |
return STATUS_SUCCESS;
|
| 291 |
} /* WriteUSB */
|
| 292 |
|
| 293 |
|
| 294 |
/*****************************************************************************
|
| 295 |
*
|
| 296 |
* ReadUSB
|
| 297 |
*
|
| 298 |
****************************************************************************/
|
| 299 |
status_t ReadUSB(int lun, int * length, unsigned char *buffer)
|
| 300 |
{
|
| 301 |
int rv;
|
| 302 |
int reader = LunToReaderIndex(lun);
|
| 303 |
#ifdef DEBUG_LEVEL_COMM
|
| 304 |
char debug_header[] = "<- 121234 ";
|
| 305 |
|
| 306 |
sprintf(debug_header, "<- %06X ", (int)lun);
|
| 307 |
#endif
|
| 308 |
|
| 309 |
|
| 310 |
rv = usb_bulk_read(usbDevice[reader].handle, usbDevice[reader].bulk_in, buffer, *length, USB_TIMEOUT);
|
| 311 |
*length = rv;
|
| 312 |
|
| 313 |
if (rv < 0)
|
| 314 |
{
|
| 315 |
DEBUG_CRITICAL3("usb_bulk_read(%s): %s",
|
| 316 |
usbDevice[reader].device_name, strerror(errno));
|
| 317 |
return STATUS_UNSUCCESSFUL;
|
| 318 |
}
|
| 319 |
|
| 320 |
#ifdef DEBUG_LEVEL_COMM
|
| 321 |
DEBUG_XXD(debug_header, buffer, *length);
|
| 322 |
#endif
|
| 323 |
|
| 324 |
return STATUS_SUCCESS;
|
| 325 |
} /* ReadUSB */
|
| 326 |
|
| 327 |
|
| 328 |
/*****************************************************************************
|
| 329 |
*
|
| 330 |
* CloseUSB
|
| 331 |
*
|
| 332 |
****************************************************************************/
|
| 333 |
status_t CloseUSB(int lun)
|
| 334 |
{
|
| 335 |
int reader = LunToReaderIndex(lun);
|
| 336 |
|
| 337 |
/* device not opened */
|
| 338 |
if (usbDevice[reader].dev == NULL)
|
| 339 |
return STATUS_UNSUCCESSFUL;
|
| 340 |
|
| 341 |
DEBUG_COMM2("Closing USB device: %s", usbDevice[reader].device_name);
|
| 342 |
|
| 343 |
usb_release_interface(usbDevice[reader].handle, usbDevice[reader].dev->config->interface->altsetting->bInterfaceNumber);
|
| 344 |
|
| 345 |
usb_close(usbDevice[reader].handle);
|
| 346 |
|
| 347 |
/* mark the resource unused */
|
| 348 |
usbDevice[reader].handle = NULL;
|
| 349 |
usbDevice[reader].dev = NULL;
|
| 350 |
usbDevice[reader].device_name[0] = '\0';
|
| 351 |
|
| 352 |
return STATUS_SUCCESS;
|
| 353 |
} /* CloseUSB */
|
| 354 |
|
| 355 |
|
| 356 |
int ccid_get_seq(int lun)
|
| 357 |
{
|
| 358 |
return usbDevice[LunToReaderIndex(lun)].bSeq++;
|
| 359 |
} /* ccid_get_seq */
|
| 360 |
|
| 361 |
|
| 362 |
void ccid_error(int error, char *file, int line)
|
| 363 |
{
|
| 364 |
char *text;
|
| 365 |
|
| 366 |
switch (error)
|
| 367 |
{
|
| 368 |
case 0x00:
|
| 369 |
text = "Command not supported or not allowed";
|
| 370 |
break;
|
| 371 |
|
| 372 |
case 0x01:
|
| 373 |
text = "Wrong command length";
|
| 374 |
break;
|
| 375 |
|
| 376 |
case 0x02:
|
| 377 |
text = "Reader detects an excessive current. Card powered off";
|
| 378 |
break;
|
| 379 |
|
| 380 |
case 0x03:
|
| 381 |
text = "Reader detects a defective voltage. Card powered off";
|
| 382 |
break;
|
| 383 |
|
| 384 |
case 0x05:
|
| 385 |
text = "Slot number is invalid (it must be set to 0)";
|
| 386 |
break;
|
| 387 |
|
| 388 |
case 0x07:
|
| 389 |
case 0x08:
|
| 390 |
case 0x09:
|
| 391 |
case 0x0A:
|
| 392 |
case 0x15:
|
| 393 |
text = "Byte displayed is invalid";
|
| 394 |
break;
|
| 395 |
|
| 396 |
case 0xA2:
|
| 397 |
text = "Card short-circuiting. Card powered off";
|
| 398 |
break;
|
| 399 |
|
| 400 |
case 0xA3:
|
| 401 |
text = "ATR too long (> 33)";
|
| 402 |
break;
|
| 403 |
|
| 404 |
case 0xB0:
|
| 405 |
text = "Reader in EMV mode and T=1 message too long";
|
| 406 |
break;
|
| 407 |
|
| 408 |
case 0xBB:
|
| 409 |
text = "Protocol error in EMV mode";
|
| 410 |
break;
|
| 411 |
|
| 412 |
case 0xBD:
|
| 413 |
text = "Card error during T=1 exchange";
|
| 414 |
break;
|
| 415 |
|
| 416 |
case 0xBE:
|
| 417 |
text = "Wrong APDU command length";
|
| 418 |
break;
|
| 419 |
|
| 420 |
case 0xF4:
|
| 421 |
text = "Procedure byte conflict";
|
| 422 |
break;
|
| 423 |
|
| 424 |
case 0xF7:
|
| 425 |
text = "Invalid ATR checksum byte (TCK)";
|
| 426 |
break;
|
| 427 |
|
| 428 |
case 0xF8:
|
| 429 |
text = "Invalid ATR first byte";
|
| 430 |
break;
|
| 431 |
|
| 432 |
case 0xFD:
|
| 433 |
text = "Parity error during exchange";
|
| 434 |
break;
|
| 435 |
|
| 436 |
case 0xFE:
|
| 437 |
text = "Card absent or mute";
|
| 438 |
break;
|
| 439 |
|
| 440 |
default:
|
| 441 |
text = "Unknown CCID error";
|
| 442 |
break;
|
| 443 |
|
| 444 |
}
|
| 445 |
debug_msg("%s:%d %s", file, line, text);
|
| 446 |
|
| 447 |
} /* ccid_error */
|
| 448 |
|
| 449 |
int get_desc(int channel, char *device_name[], usb_dev_handle **handle, struct
|
| 450 |
usb_device **dev)
|
| 451 |
{
|
| 452 |
if (channel < 0 || channel > PCSCLITE_MAX_CHANNELS)
|
| 453 |
return 1;
|
| 454 |
|
| 455 |
*device_name = usbDevice[channel].device_name;
|
| 456 |
*handle = usbDevice[channel].handle;
|
| 457 |
*dev = usbDevice[channel].dev;
|
| 458 |
|
| 459 |
return 0;
|
| 460 |
} /* get_desc */
|
| 461 |
|
| 462 |
int get_end_points(struct usb_device *dev, _usbDevice *usb_device)
|
| 463 |
{
|
| 464 |
int i;
|
| 465 |
int bEndpointAddress;
|
| 466 |
|
| 467 |
/*
|
| 468 |
* 3 Endpoints maximum: Interrupt In, Bulk In, Bulk Out
|
| 469 |
*/
|
| 470 |
for (i=0; i<3; i++)
|
| 471 |
{
|
| 472 |
if (dev->config->interface->altsetting->endpoint[i].bmAttributes != USB_ENDPOINT_TYPE_BULK)
|
| 473 |
continue;
|
| 474 |
|
| 475 |
bEndpointAddress = dev->config->interface->altsetting->endpoint[i].bEndpointAddress;
|
| 476 |
|
| 477 |
if ((bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_ENDPOINT_IN)
|
| 478 |
usb_device->bulk_in = bEndpointAddress;
|
| 479 |
|
| 480 |
if ((bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_ENDPOINT_OUT)
|
| 481 |
usb_device->bulk_out = bEndpointAddress;
|
| 482 |
}
|
| 483 |
|
| 484 |
return 0;
|
| 485 |
} /* get_end_points */
|
| 486 |
|
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