#include <stdio.h>

 

#include <stdlib.h>

 

#include <string.h>

 

 

 

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

 

{

 

printf("calculates hashes for Zend_Hash_Del_Key_Or_Index Vulnerability exploits...n");

 

printf("see http://www.hardened-php.net/hphp/zend_hash_del_key_or_index_vulnerability.htmln");

 

if ( argc != 2 )

 

 

 

    printf("usage: zhdkoi <key>n");

 

else {

 

char *key = strcat(argv[1],"");

 

unsigned long h = 5381;

 

char *arEnd = key + strlen(key)+1;

 

while (key < arEnd) {

 

           h += (h << 5);

 

           h ^= (unsigned long) *key++;

 

}

 

printf("php4 Hash: %dn",h);  

 

 

 

key = strcat(argv[1],"");

 

h = 5381;

 

arEnd = key + strlen(key)+1;

 

while (key < arEnd) {

 

           h += (h << 5);

 

           h += (unsigned long) *key++;

 

}

 

printf("php5 Hash: %dn",h);

 

    }

 

}