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#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/wait.h>
#include <sys/mount.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/io.h>
#include <sys/ioctl.h>
#include <linux/random.h>
__attribute__((noreturn)) static void poweroff(void)
{
ioperm(0x604, 2, 1);
outw(1 << 13, 0x604);
sleep(30);
fprintf(stderr, "\x1b[37m\x1b[41m\x1b[1mFailed to power off!!!\x1b[0m\n");
exit(1);
}
static void panic(const char *what)
{
fprintf(stderr, "\n\n\x1b[37m\x1b[41m\x1b[1mSOMETHING WENT HORRIBLY WRONG\x1b[0m\n\n \x1b[31m\x1b[1m%s: %s\x1b[0m\n\n\x1b[37m\x1b[44m\x1b[1mPower off...\x1b[0m\n\n", what, strerror(errno));
poweroff();
}
#define pretty_message(msg) puts("\x1b[32m\x1b[1m" msg "\x1b[0m")
int main(int argc, char *argv[])
{
int status, fd1, fd2, i;
struct {
int entropy_count;
int buffer_size;
unsigned char buffer[128];
} entropy = {
.entropy_count = 128,
.buffer_size = 128
};
pretty_message("[+] Mounting filesystems...");
mkdir("/dev", 0755);
mkdir("/proc", 0755);
mkdir("/sys", 0755);
mkdir("/tmp", 0755);
mkdir("/run", 0755);
mkdir("/var", 0755);
if (mount("none", "/dev", "devtmpfs", 0, NULL))
panic("devtmpfs mount");
if (mount("none", "/proc", "proc", 0, NULL))
panic("procfs mount");
if (mount("none", "/sys", "sysfs", 0, NULL))
panic("sysfs mount");
if (mount("none", "/tmp", "tmpfs", 0, NULL))
panic("tmpfs mount");
if (mount("none", "/run", "tmpfs", 0, NULL))
panic("tmpfs mount");
if (symlink("/run", "/var/run"))
panic("run symlink");
if (symlink("/proc/self/fd", "/dev/fd"))
panic("fd symlink");
pretty_message("[+] Enabling logging...");
fd1 = open("/proc/sys/kernel/printk", O_WRONLY);
if (fd1 < 0)
panic("open(printk)");
if (write(fd1, "9\n", 2) != 2)
panic("write(printk)");
close(fd1);
pretty_message("[+] Ensuring RNG entropy...");
fd1 = open("/dev/hwrng", O_RDONLY);
fd2 = open("/dev/urandom", O_WRONLY);
if (fd1 < 0 || fd2 < 0)
panic("open(hwrng,urandom)");
for (i = 0; i < 4096; ++i) {
if (read(fd1, entropy.buffer, 128) != 128)
panic("read(hwrng)");
if (ioctl(fd2, RNDADDENTROPY, &entropy) < 0)
panic("ioctl(urandom)");
}
close(fd1);
close(fd2);
pretty_message("[+] Launching tests...");
switch (fork()) {
case -1:
panic("fork");
break;
case 0:
execl("/init.sh", "init", NULL);
panic("exec");
break;
}
if (wait(&status) < 0)
panic("wait");
if (WIFEXITED(status) && WEXITSTATUS(status) == 0) {
pretty_message("[+] Tests successful! :-)");
fd1 = open("/dev/vport1p1", O_WRONLY);
if (fd1 < 0)
panic("open(vport1p1)");
if (write(fd1, "success\n", 8) != 8)
panic("write(success)");
close(fd1);
} else
puts("\x1b[31m\x1b[1m[-] Tests failed! :-(\x1b[0m");
poweroff();
return 1;
}
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