1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation
*
* This program 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <openct/openct.h>
#include <rfid/rfid.h>
#include <rfid/rfid_reader.h>
#include <rfid/rfid_layer2.h>
#include <rfid/rfid_protocol.h>
#include <rfid/rfid_reader_cm5121.h>
static int slot = 1;
static ct_handle *h;
static ct_lock_handle lock;
static struct rfid_reader_handle *rh;
static struct rfid_layer2_handle *l2h;
static struct rfid_protocol_handle *ph;
/* this is the sole function required by rfid_reader_cm5121.c */
int
PC_to_RDR_Escape(void *handle,
const unsigned char *tx_buf, unsigned int tx_len,
unsigned char *rx_buf, unsigned int *rx_len)
{
ct_handle *h = (ct_handle *) handle;
int rc;
rc = ct_card_transact(h, 1, tx_buf, tx_len, rx_buf, *rx_len);
if (rc >= 0) {
*rx_len = rc;
return 0;
}
return rc;
}
static int init()
{
unsigned char buf[0x3f];
unsigned char atr[64];
int rc;
h = ct_reader_connect(0);
if (!h)
return -1;
printf("acquiring card lock\n");
rc = ct_card_lock(h, slot, IFD_LOCK_EXCLUSIVE, &lock);
if (rc < 0) {
fprintf(stderr, "error, no card lock\n");
return -1;
}
rc = ct_card_reset(h, slot, atr, sizeof(atr));
if (rc < 0) {
fprintf(stderr, "error, can't reset virtual card\n");
return -1;
}
printf("initializing librfid\n");
rfid_init();
printf("opening reader handle\n");
rh = rfid_reader_open(h, RFID_READER_CM5121);
if (!rh) {
fprintf(stderr, "error, no cm5121 handle\n");
return -1;
}
printf("opening layer2 handle\n");
l2h = rfid_layer2_init(rh, RFID_LAYER2_ISO14443A);
//l2h = rfid_layer2_init(rh, RFID_LAYER2_ISO14443B);
if (!l2h) {
fprintf(stderr, "error during iso14443a_init\n");
return -1;
}
//rc632_register_dump(rh->ah, buf);
printf("running layer2 anticol\n");
rc = rfid_layer2_open(l2h);
if (rc < 0) {
fprintf(stderr, "error during layer2_open\n");
return rc;
}
printf("running layer3 (ats)\n");
ph = rfid_protocol_init(l2h, RFID_PROTOCOL_TCL);
if (!ph) {
fprintf(stderr, "error during protocol_init\n");
return -1;
}
if (rfid_protocol_open(ph) < 0) {
fprintf(stderr, "error during protocol_open\n");
return -1;
}
printf("we now have T=CL up and running\n");
return 0;
}
static int select_mf(void)
{
unsigned char cmd[] = { 0x00, 0xa4, 0x00, 0x00, 0x02, 0x3f, 0x00, 0x00 };
unsigned char ret[256];
unsigned int rlen = sizeof(ret);
int rv;
rv = rfid_protocol_transcieve(ph, cmd, sizeof(cmd), ret, &rlen, 0, 0);
if (rv < 0)
return rv;
//printf("%s\n", rfid_hexdump(ret, rlen));
return 0;
}
static int get_challenge(unsigned char len)
{
unsigned char cmd[] = { 0x00, 0x84, 0x00, 0x00, 0x08 };
unsigned char ret[256];
unsigned int rlen = sizeof(ret);
cmd[4] = len;
int rv;
rv = rfid_protocol_transcieve(ph, cmd, sizeof(cmd), ret, &rlen, 0, 0);
if (rv < 0)
return rv;
//printf("%s\n", rfid_hexdump(ret, rlen));
return 0;
}
int main(int argc, char **argv)
{
int rc;
char buf[0x40];
int i;
if (init() < 0)
exit(1);
/* we've established T=CL at this point */
select_mf();
for (i = 0; i < 4; i++)
get_challenge(0x60);
rfid_reader_close(rh);
exit(0);
}
|
