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
|
#include "project.h"
#include "../common/vendor_req.h"
#define TIMEOUT 4000
struct libusb_device * find_device(libusb_context *ctx)
{
libusb_device **list;
ssize_t num_devs;
ssize_t i;
num_devs = libusb_get_device_list(ctx, &list);
for (i = 0; i < num_devs; ++i) {
struct libusb_device_descriptor desc;
struct libusb_device *dev = list[i];
if (libusb_get_device_descriptor(dev, &desc))
continue;
if (desc.idVendor!=0x1d6b) continue;
if (desc.idProduct!=0x1932) continue;
return dev;
}
libusb_free_device_list(list, 0);
return NULL;
}
static void usage(char *n)
{
fprintf(stderr,"Usage:\n"
"%s [-g [-n secs]] [-s [-p pwd]] [-h]\n"
" -h display this message\n"
" -g ask cryptopad to type password\n"
" -n secs wait secs before typing password\n"
" -s set password in cryptopad\n"
" -p pwd password to set, prompts otherwise\n"
" -w wipe password from cryptopad\n",
n);
exit(1);
}
int main(int argc,char *argv[])
{
libusb_context *ctx;
libusb_device *dev;
libusb_device_handle *devh;
int wflag=0,gflag=0,sflag=0;
char *pass=NULL;
int c,ret;
int delay=0;
while((c=getopt(argc,argv,"hwgsp:n:"))!=-1) {
switch(c) {
case 'n':
if (optarg) delay=atoi(optarg);
break;
case 'g':
gflag++;
break;
case 's':
sflag++;
break;
case 'w':
wflag++;
break;
case 'p':
pass=optarg;
break;
default:
usage(argv[0]);
}
}
if ((ret=libusb_init(&ctx)))
errx(EX_IOERR, "unable to initialize libusb: %i", ret);
dev=find_device(ctx);
if (!dev) err(1,"no cryptopad found");
if ((ret=libusb_open(dev, &devh))) err(1,"unable to open usb device: %i",ret);
if (sflag) {
char *pwd;
if (!pass) pass=getpass("Enter password:");
pwd=malloc(strlen(pass)+2);
strcpy(pwd,pass);
strcat(pwd,"\n");
libusb_control_transfer( devh, LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE, VENDOR_REQ_SET_KEY, 0, 0, pwd, strlen(pwd), TIMEOUT );
}
if (gflag)
libusb_control_transfer( devh, LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE, VENDOR_REQ_SEND_KEY, delay, 0, NULL, 0, TIMEOUT );
if (wflag)
libusb_control_transfer( devh, LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE, VENDOR_REQ_CLEAR_KEY, 0, 0, NULL, 0, TIMEOUT );
libusb_close(devh);
return 0;
}
|
