mirror of
https://github.com/The-Art-of-Hacking/h4cker.git
synced 2024-12-24 13:35:25 +00:00
30 lines
788 B
C
30 lines
788 B
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
int main(int argc, char *argv[]) {
|
|
FILE *fp;
|
|
char buff[100];
|
|
|
|
if(seteuid(0) == -1) {
|
|
fprintf(stderr, "Failed to set UID to root - is this binary setuid root?\n");
|
|
return -1;
|
|
}
|
|
|
|
if(argc != 2 || (strcmp(argv[1], "0") != 0 && strcmp(argv[1], "2") != 0)) {
|
|
fprintf(stderr, "Usage: %s [0 or 2]\nSets randomize_va_space to 0 (ASLR off) or 2 (ASLR on)\n", argv[0]);
|
|
return -1;
|
|
}
|
|
|
|
fp = fopen("/proc/sys/kernel/randomize_va_space", "w");
|
|
fprintf(fp, "%s\n", argv[1]);
|
|
fclose(fp);
|
|
|
|
fp = fopen("/proc/sys/kernel/randomize_va_space", "r");
|
|
fgets(buff, 99, fp);
|
|
fclose(fp);
|
|
|
|
printf("randomize_va_space is now %s", buff);
|
|
return 0;
|
|
}
|