mirror of
https://github.com/The-Art-of-Hacking/h4cker
synced 2024-11-10 05:34:12 +00:00
30 lines
788 B
C
30 lines
788 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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int main(int argc, char *argv[]) {
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FILE *fp;
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char buff[100];
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if(seteuid(0) == -1) {
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fprintf(stderr, "Failed to set UID to root - is this binary setuid root?\n");
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return -1;
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}
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if(argc != 2 || (strcmp(argv[1], "0") != 0 && strcmp(argv[1], "2") != 0)) {
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fprintf(stderr, "Usage: %s [0 or 2]\nSets randomize_va_space to 0 (ASLR off) or 2 (ASLR on)\n", argv[0]);
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return -1;
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}
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fp = fopen("/proc/sys/kernel/randomize_va_space", "w");
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fprintf(fp, "%s\n", argv[1]);
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fclose(fp);
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fp = fopen("/proc/sys/kernel/randomize_va_space", "r");
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fgets(buff, 99, fp);
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fclose(fp);
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printf("randomize_va_space is now %s", buff);
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return 0;
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}
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