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
|
/*
This file is part of the TDE project
Copyright (C) 2011 Timothy Pearson <kb9vqf@pearsoncomputing.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "kdmtsak.h"
#define FIFO_FILE "/tmp/ksocket-global/tsak"
int main (int argc, char *argv[])
{
int mPipe_fd;
char readbuf[128];
int numread;
int verifier_result = tde_sak_verify_calling_process();
if (verifier_result == 0) {
// OK, the calling process is authorized to retrieve SAK data
// First, flush the buffer
mPipe_fd = open(FIFO_FILE, O_RDONLY | O_NONBLOCK);
numread = 1;
while (numread > 0) {
numread = read(mPipe_fd, readbuf, 6);
}
// Now wait for SAK press
mPipe_fd = open(FIFO_FILE, O_RDONLY);
while (mPipe_fd > -1) {
numread = read(mPipe_fd, readbuf, 6);
readbuf[numread] = 0;
readbuf[127] = 0;
if (strcmp(readbuf, "SAK\n\r") == 0) {
close(mPipe_fd);
return 0;
}
else {
usleep(100);
}
}
close(mPipe_fd);
return 6;
}
else {
return verifier_result;
}
}
|
