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/*
* Copyright (C) 2014-2022 Firejail Authors
*
* This file is part of firejail project
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "firejail.h"
#include <fcntl.h>
#include <signal.h>
void shut(pid_t pid) {
EUID_ASSERT();
ProcessHandle sandbox = pin_sandbox_process(pid);
process_send_signal(sandbox, SIGTERM);
// wait for not more than 11 seconds
int monsec = 11;
int killdone = 0;
while (monsec) {
sleep(1);
monsec--;
int monfd = process_open_nofail(sandbox, "cmdline");
if (monfd < 0) {
killdone = 1;
break;
}
char c;
ssize_t count = read(monfd, &c, 1);
close(monfd);
if (count == 0) {
// all done
killdone = 1;
break;
}
}
// force SIGKILL
if (!killdone)
process_send_signal(sandbox, SIGKILL);
unpin_process(sandbox);
}
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