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/*
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);
if (mPipe_fd > -1) {
numread = read(mPipe_fd, readbuf, 6);
readbuf[numread] = 0;
readbuf[127] = 0;
close(mPipe_fd);
if (strcmp(readbuf, "SAK\n\r") == 0) {
return 0;
}
else {
return 1;
}
}
return 6;
}
else {
return verifier_result;
}
}
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