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
|
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/sysmacros.h>
#include <string.h>
int main() {
// make process be sigma (why did i think of this)
if (setsid() < 0) {
perror("setsid");
exit(1);
}
// >open /dev/tty1
// >look inside
// >Failed to open /dev/tty1
int fd = open("/dev/tty1", O_RDWR);
if (fd == -1) {
write(2, "Failed to open /dev/tty1\n", 26);
exit(1);
}
// make tty1 be the displayed tty
if (ioctl(fd, TIOCSCTTY, 0) < 0) {
write(2, "ioctl TIOCSCTTY", 16);
exit(1);
}
char path[128] = {0};
int len = write(fd, "\nEnter path to shell (nothing for /bin/shel): ", 47);
path[len - 1] = '\0';
read(0, path, sizeof(path));
if (len == 47) {
strcpy(path, "/bin/shel");
}
// write(1, path, strlen(path));
write(fd, "\e[2J\e[0;0Hwelcome to nyaOS - a distro made by an idiot with no C experience that still somehow works\n\n", 103);
execve(path, 0, 0);
}
|