<?php
    
/* Some basic checks are in place */
    
isset($r) || die("CVSroot must be set\n");
    isset(
$m) || die("CVSmodule must be set\n");
    isset(
$f) || die("File must be set\n");
    if(
strchr($r"'") || strchr($m"'") || strchr($f"'"))
        die(
"Invalid characters in arguments\n");

    
/* I'll be paranoid, set root and module here so no one can get access elsewhere */
    /* Remove this or change it to suit your needs */
//    $r = "/home/cvsgraph";
//    $m = "cvsgraph";

    /* Shell escape, PHP4 has functions for this, use them */
    
$r "'" $r "'";
    
$m "'" $m "'";
    
$f "'" $f ",v'";

    
/* I expose the paths here (accessible via the server). */
    /* Set this to a private place to make it secure. */
    
$cvsgraph "/home/bertho/public_html/cvsgraph/cvsgraph";
    
$cvsgraph_conf "/home/bertho/public_html/cvsgraph/conf/cvsgraph.conf";

    
/* Default I generate PNG */
    
Header("Content-Type: image/png");
    
passthru("$cvsgraph -q -c $cvsgraph_conf -r $r -m $m $f");
?>