Files
vsmartcard/ccid/src/cats-tool.c
frankmorgner 00148310ea - fixed receive length
- added simulation of buergerclient/ausweisapp


git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@271 96b47cad-a561-4643-ad3b-153ac7d7599c
2010-09-21 08:17:04 +00:00

390 lines
12 KiB
C

/*
* Copyright (C) 2010 Frank Morgner
*
* This file is part of ifdnfc.
*
* ifdnfc 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.
*
* ifdnfc 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
* ifdnfc. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <winscard.h>
#include <time.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_ARPA_INIT_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_PCSCLITE_H
#include <pcsclite.h>
#endif
#ifdef HAVE_READER_H
#include <reader.h>
#endif
#ifndef FEATURE_EXECUTE_PACE
#define FEATURE_EXECUTE_PACE 0x20
#endif
#ifndef CM_IOCTL_GET_FEATURE_REQUEST
#define CM_IOCTL_GET_FEATURE_REQUEST SCARD_CTL_CODE(3400)
#endif
#define PCSC_TLV_ELEMENT_SIZE 6
static void
printb(const char *label, unsigned char *buf, size_t len)
{
size_t i = 0;
printf("%s", label);
while (i < len) {
printf("%02X", buf[i]);
i++;
if (i%20)
printf(" ");
else if (i != len)
printf("\n");
}
printf("\n");
}
static LONG parse_EstablishPACEChannel_OutputData(
unsigned char output[], unsigned int output_length)
{
uint8_t lengthCAR, lengthCARprev;
uint16_t lengthOutputData, lengthEF_CardAccess, length_IDicc;
uint32_t result;
size_t parsed = 0;
if (parsed+4 > output_length) {
fprintf(stderr, "Malformed Establish PACE Channel output data.\n");
return SCARD_F_INTERNAL_ERROR;
}
memcpy(&result, output+parsed, 4);
parsed += 4;
switch (result) {
case 0x00000000:
break;
default:
fprintf(stderr, "Reader reported some error.\n");
return SCARD_F_COMM_ERROR;
}
if (parsed+2 > output_length) {
fprintf(stderr, "Malformed Establish PACE Channel output data.\n");
return SCARD_F_INTERNAL_ERROR;
}
memcpy(&lengthOutputData, output+parsed, 2);
parsed += 2;
if (lengthOutputData != output_length-parsed) {
fprintf(stderr, "Malformed Establish PACE Channel output data.\n");
return SCARD_F_INTERNAL_ERROR;
}
if (parsed+2 > output_length) {
fprintf(stderr, "Malformed Establish PACE Channel output data.\n");
return SCARD_F_INTERNAL_ERROR;
}
printf("MSE:Set AT Statusbytes: %02X %02X\n",
output[parsed+0], output[parsed+1]);
parsed += 2;
if (parsed+2 > output_length) {
fprintf(stderr, "Malformed Establish PACE Channel output data.\n");
return SCARD_F_INTERNAL_ERROR;
}
memcpy(&lengthEF_CardAccess, output+parsed, 2);
parsed += 2;
if (parsed+lengthEF_CardAccess > output_length) {
fprintf(stderr, "Malformed Establish PACE Channel output data.\n");
return SCARD_F_INTERNAL_ERROR;
}
if (lengthEF_CardAccess)
printb("EF.CardAccess:\n", &output[parsed], lengthEF_CardAccess);
parsed += lengthEF_CardAccess;
if (parsed+1 > output_length) {
fprintf(stderr, "Malformed Establish PACE Channel output data.\n");
return SCARD_F_INTERNAL_ERROR;
}
lengthCAR = output[parsed];
parsed += 1;
if (parsed+lengthCAR > output_length) {
fprintf(stderr, "Malformed Establish PACE Channel output data.\n");
return SCARD_F_INTERNAL_ERROR;
}
if (lengthCAR)
printb("Recent Certificate Authority:\n",
&output[parsed], lengthCAR);
parsed += lengthCAR;
if (parsed+1 > output_length) {
fprintf(stderr, "Malformed Establish PACE Channel output data.\n");
return SCARD_F_INTERNAL_ERROR;
}
lengthCARprev = output[parsed];
parsed += 1;
if (parsed+lengthCARprev > output_length) {
fprintf(stderr, "Malformed Establish PACE Channel output data.\n");
return SCARD_F_INTERNAL_ERROR;
}
if (lengthCARprev)
printb("Previous Certificate Authority:\n",
&output[parsed], lengthCARprev);
parsed += lengthCARprev;
if (parsed+2 > output_length) {
fprintf(stderr, "Malformed Establish PACE Channel output data.\n");
return SCARD_F_INTERNAL_ERROR;
}
memcpy(&length_IDicc , output+parsed, 2);
parsed += 2;
if (parsed+length_IDicc > output_length) {
fprintf(stderr, "Malformed Establish PACE Channel output data.\n");
return SCARD_F_INTERNAL_ERROR;
}
if (length_IDicc)
printb("IDicc:\n", &output[parsed], length_IDicc);
parsed += length_IDicc;
if (parsed != output_length) {
fprintf(stderr, "Overrun by %d bytes\n", output_length - parsed);
return SCARD_F_INTERNAL_ERROR;
}
return SCARD_S_SUCCESS;
}
int
main(int argc, char *argv[])
{
LONG r;
SCARDCONTEXT hContext;
SCARDHANDLE hCard;
LPSTR readers = NULL;
char *reader;
BYTE sendbuf[16], recvbuf[1024];
DWORD ctl, recvlen, readerslen;
time_t t_start, t_end;
size_t l, pinlen = 0;
char *pin = NULL;
unsigned int readernum = 0, i;
if (argc > 1) {
if (sscanf(argv[1], "%u", &readernum) != 1) {
fprintf(stderr, "Could not get number of reader\n");
exit(2);
}
if (argc > 2) {
pin = argv[2];
pinlen = strlen(pin);
if (pinlen < 5 || pinlen > 6) {
fprintf(stderr, "PIN too long\n");
exit(2);
}
}
if (argc > 3) {
fprintf(stderr, "Usage: "
"%s [reader number] [PIN]\n", argv[0]);
}
}
r = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &hContext);
if (r != SCARD_S_SUCCESS) {
fprintf(stderr, "Could not connect to PC/SC Service\n");
goto err;
}
readerslen = SCARD_AUTOALLOCATE;
r = SCardListReaders(hContext, NULL, (LPSTR) &readers, &readerslen);
if (r != SCARD_S_SUCCESS) {
fprintf(stderr, "Could not get readers\n");
goto err;
}
for (reader = readers, i = 0; readerslen > 0;
l = strlen(reader) + 1, readerslen -= l, reader += l, i++) {
if (i == readernum)
break;
}
if (readerslen <= 0) {
fprintf(stderr, "Could not find reader number %u\n", readernum);
r = SCARD_E_UNKNOWN_READER;
goto err;
}
r = SCardConnect(hContext, reader, SCARD_SHARE_DIRECT, 0, &hCard, &ctl);
if (r != SCARD_S_SUCCESS) {
fprintf(stderr, "Could not connect to %s\n", reader);
goto err;
}
printf("Connected to %s\n", reader);
#define SIMULATE_BUERGERCLIENT 1
#ifdef SIMULATE_BUERGERCLIENT
r = SCardReconnect(hCard, SCARD_SHARE_EXCLUSIVE, SCARD_PROTOCOL_T0,
SCARD_LEAVE_CARD, &ctl);
if (r != SCARD_S_SUCCESS) {
fprintf(stderr, "Could not reconnect to %s\n", reader);
goto err;
}
BYTE bufs[] = {
0xFF, 0x9A, 0x01, 0x01,
0xFF, 0x9A, 0x01, 0x03,
0xFF, 0x9A, 0x01, 0x06,
0xFF, 0x9A, 0x01, 0x07,
0x00, 0xA4, 0x02, 0x0C, 0x02, 0x4B, 0x31,
0x00, 0xA4, 0x04, 0x0C, 0x09, 0xE8, 0x07, 0x04, 0x00, 0x7F, 0x00, 0x07, 0x03, 0x02,
0x00, 0xA4, 0x00, 0x0C, 0x02, 0x3F, 0x00,
0x00, 0x22, 0xC1, 0xA4, 0x0F, 0x80, 0x0A, 0x04, 0x00, 0x7F, 0x00, 0x07, 0x02, 0x02, 0x04, 0x02, 0x02, 0x83, 0x01, 0x03,
0x00, 0xA4, 0x00, 0x0C, 0x02, 0x3F, 0x00,
0x00, 0xA4, 0x02, 0x0C, 0x02, 0x01, 0x1C,
0x00, 0xB0, 0x00, 0x00, 0x80,
0x00, 0xB0, 0x00, 0x80, 0x80,
0x00, 0xB0, 0x01, 0x00, 0x80,
0x00, 0xB0, 0x01, 0x80, 0x80,
0x00, 0xB0, 0x02, 0x00, 0x80,
0x00, 0xA4, 0x00, 0x0C, 0x02, 0x3F, 0x00,
0x00, 0x22, 0xC1, 0xA4, 0x0F, 0x80, 0x0A, 0x04, 0x00, 0x7F, 0x00, 0x07, 0x02, 0x02, 0x04, 0x02, 0x02, 0x83, 0x01, 0x03,
};
LPBYTE buf = bufs;
DWORD lens[] = {4, 4, 4, 4, 7, 14, 7, 20, 7, 7, 5, 5, 5, 5, 5, 7, 20};
SCARD_IO_REQUEST pioRecvPci;
for (l = 0; l < sizeof(lens)/sizeof(DWORD); l++) {
recvlen = sizeof(recvbuf);
r = SCardTransmit(hCard, SCARD_PCI_T0, buf, lens[l], &pioRecvPci,
recvbuf, &recvlen);
if (r != SCARD_S_SUCCESS) {
fprintf(stderr, "Simulation of Buergerclient failed\n");
goto err;
}
buf += lens[l];
}
r = SCardReconnect(hCard, SCARD_SHARE_DIRECT, 0, SCARD_LEAVE_CARD, &ctl);
if (r != SCARD_S_SUCCESS) {
fprintf(stderr, "Could not reconnect to %s\n", reader);
goto err;
}
#endif
/* does the reader support PACE? */
recvlen = sizeof(recvbuf);
r = SCardControl(hCard, CM_IOCTL_GET_FEATURE_REQUEST, NULL, 0,
recvbuf, sizeof(recvbuf), &recvlen);
if (r != SCARD_S_SUCCESS) {
fprintf(stderr, "Could not get the reader's features\n");
goto err;
}
ctl = 0;
for (i = 0; i <= recvlen-PCSC_TLV_ELEMENT_SIZE; i += PCSC_TLV_ELEMENT_SIZE) {
if (recvbuf[i] == FEATURE_EXECUTE_PACE) {
memcpy(&ctl, recvbuf+i+2, 4);
break;
}
}
if (0 == ctl) {
printf("Reader does not support PACE\n");
goto err;
}
/* convert to host byte order to use for SCardControl */
ctl = ntohl(ctl);
recvlen = sizeof(recvbuf);
sendbuf[0] = 0x01; /* idxFunction = GetReadersPACECapabilities */
sendbuf[1] = 0x00; /* lengthInputData */
sendbuf[2] = 0x00; /* lengthInputData */
r = SCardControl(hCard, ctl,
sendbuf, 3,
recvbuf, sizeof(recvbuf), &recvlen);
if (r != SCARD_S_SUCCESS) {
fprintf(stderr, "Could not get reader's PACE capabilities\n");
goto err;
}
printb("ReadersPACECapabilities ", recvbuf, recvlen);
recvlen = sizeof(recvbuf);
sendbuf[0] = 0x02; /* idxFunction = EstabishPACEChannel */
sendbuf[1] = (5+pinlen)&0xff; /* lengthInputData */
sendbuf[2] = (5+pinlen)>>8; /* lengthInputData */
sendbuf[3] = 0x03; /* PACE with PIN */
sendbuf[4] = 0x00, /* length CHAT */
sendbuf[5] = 0x00, /* length PIN */
sendbuf[6] = pinlen; /* length PIN */
memcpy(sendbuf+7, pin, pinlen); /* PIN */
sendbuf[7+pinlen] = 0x00; /* length certificate description */
sendbuf[8+pinlen] = 0x00; /* length certificate description */
t_start = time(NULL);
r = SCardControl(hCard, ctl,
sendbuf, 8+pinlen,
recvbuf, sizeof(recvbuf), &recvlen);
t_end = time(NULL);
if (r != SCARD_S_SUCCESS) {
fprintf(stderr, "Could not establish PACE channel\n");
goto err;
}
printf("EstablishPACEChannel successfull, received %d bytes\n",
(int)recvlen);
r = parse_EstablishPACEChannel_OutputData(recvbuf, recvlen);
if (r != SCARD_S_SUCCESS)
goto err;
printf("Established PACE channel returned in %.0fs.\n",
difftime(t_end, t_start));
r = SCardDisconnect(hCard, SCARD_LEAVE_CARD);
if (r != SCARD_S_SUCCESS)
goto err;
r = SCardFreeMemory(hContext, readers);
if (r != SCARD_S_SUCCESS)
goto err;
exit(0);
err:
#ifdef HAVE_PCSCLITE_H
if (r != SCARD_S_SUCCESS)
puts(pcsc_stringify_error(r));
#endif
if (readers)
SCardFreeMemory(hContext, readers);
exit(1);
}