Viewing file:  common.php (6 KB) -rwxr-xr-x
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<?php
### PREVENTS MULTIPLE INCLUSIONS ###
if(isset($isinc_common)) return;
$isinc_common = TRUE;
### INCASE REGISTER_GLOBALS IS DISABLED.. ###
if(is_array($HTTP_GET_VARS)) {
reset($HTTP_GET_VARS);
while(list($k,$v) = each($HTTP_GET_VARS)) {$$k=$v;}
}
if(is_array($HTTP_POST_VARS)) {
reset($HTTP_POST_VARS);
while(list($k,$v) = each($HTTP_POST_VARS)) {$$k=$v;}
}
if(is_array($HTTP_COOKIE_VARS)) {
reset($HTTP_COOKIE_VARS);
while(list($k,$v) = each($HTTP_COOKIE_VARS)) {
if(ereg("^symp",$k)) {$$k=$v;}
}
}
if(is_array($HTTP_SERVER_VARS)) {
reset($HTTP_SERVER_VARS);
while(list($k,$v) = each($HTTP_SERVER_VARS)) {$$k=$v;}
}
if(isset($sympvotes))
{ $sympvotes=unserialize(stripslashes($sympvotes)); }
if(isset($sympauth))
{ $sympauth=unserialize(stripslashes($sympauth)); }
### MAKE SURE QUERY_STRING IS SET AFTER AN SSI ###
if(!isset($QUERY_STRING) || $QUERY_STRING == "") {
if(isset($QUERY_STRING_UNESCAPED) && $QUERY_STRING_UNESCAPED != "") {
$QUERY_STRING=str_replace("\\","",$QUERY_STRING_UNESCAPED);
parse_str($QUERY_STRING);
}
}
### INCLUDE CONFIG INFO ###
$version = '0.4.4';
$refer_href = '<a href="http://www.ralusp.net/sympoll/">';
include dirname(__FILE__)."/config."."$ext";
include dirname(__FILE__)."/include/language."."$ext";
### SET SYMP_URL FOR HIGHEST POSSIBLE COMPATIBILITY ###
if(!isset($SYMP_URL) || $SYMP_URL == "") {
$SYMP_URL = "";
if(!isset($s_dirurl))
{ $s_dirurl = ""; }
$purl = parse_url($s_dirurl);
// path,first check for cgi on php4
if(function_exists("php_sapi_name") && (php_sapi_name() == "cgi"))
{ $SYMP_URL = $PATH_INFO; }
// path,second try request_uri
elseif(isset($REQUEST_URI) && $REQUEST_URI != "") {
$pos = strpos($REQUEST_URI,"?");
if($pos)
{ $SYMP_URL = substr($REQUEST_URI, 0, $pos); }
else
{ $SYMP_URL = $REQUEST_URI; }
}
// path,third try document_uri for shtml
elseif(isset($DOCUMENT_URI) && $DOCUMENT_URI != "")
{ $SYMP_URL = $DOCUMENT_URI; }
// path,fourth try redirect_url
elseif(isset($REDIRECT_URL) && $REDIRECT_URL != "")
{ $SYMP_URL = $REDIRECT_URL; }
// path,fifth default to php_self
elseif(isset($PHP_SELF) && $PHP_SELF != "")
{ $SYMP_URL = $PHP_SELF; }
// path, check for cgi in php3, switch to path_info
$prolly_cgi = ereg("^([^.?]+[?])?([^/]+[.][^/]+)?[/]", strrev($SYMP_URL));
if((eregi("php\.exe",$SYMP_URL) || $prolly_cgi) &&
(isset($PATH_INFO) && $PATH_INFO != ""))
{ $SYMP_URL = $PATH_INFO; }
// add filename if necessary
if(ereg("[/]$", $SYMP_URL)) {
if(isset($DOCUMENT_NAME) && $DOCUMENT_NAME != "")
{ $SYMP_URL = "$SYMP_URL"."$DOCUMENT_NAME"; }
else
{ $SYMP_URL = "$SYMP_URL".basename($PHP_SELF); }
}
// port,first check config file
if(isset($purl['port']) && $purl['port'] != "")
{ $SYMP_URL = ":"."$purl[port]"."$SYMP_URL"; }
// port,second try SERVER_PORT if not 80
elseif(isset($SERVER_PORT) && $SERVER_PORT != "" && $SERVER_PORT != "80")
{ $SYMP_URL = ":"."$SERVER_PORT"."$SYMP_URL"; }
// hostname,first use config file
if(isset($purl['host']) && $purl['host'] != "")
{ $SYMP_URL = "$purl[host]"."$SYMP_URL"; }
// hostname,second try http_host
elseif(isset($HTTP_HOST) && $HTTP_HOST != "")
{ $SYMP_URL = "$HTTP_HOST"."$SYMP_URL"; }
// hostname,third try server_name
elseif(isset($SERVER_NAME) && $SERVER_NAME != "")
{ $SYMP_URL = "$SERVER_NAME"."$SYMP_URL"; }
//hack fix
if(eregi(".\.proxad\..",$SERVER_NAME) || eregi("\.proxad\.",$HTTP_HOST)) {
if(isset($PATH_INFO) && ereg("^[/]([^./]+[.])+[^./]+[/]", $PATH_INFO))
{ $SYMP_URL = substr($PATH_INFO, 1); }
}
// protocol,first check https
if(isset($HTTPS) && $HTTPS != "" && $HTTPS != "off")
{ $SYMP_URL = "https://"."$SYMP_URL"; }
// protocol,second use http
else
{ $SYMP_URL = "http://"."$SYMP_URL"; }
}
### DETECT REMOTE IP THROUGH PROXIES IF IP LOGGING ENABLED ###
if($s_iplog != "0") {
$need_ip = TRUE;
$ip_ereg = "^(([0-9]{1,3}\.){3,3}[0-9]{1,3})";
if(isset($HTTP_X_FORWARDED_FOR) && $HTTP_X_FORWARDED_FOR != "") {
$dsr = ereg($ip_ereg, $HTTP_X_FORWARDED_FOR, $a);
if($dsr && isset($a[1]) && $a[1] != "")
{ $REMOTE_ADDR = $a[1]; $need_ip = FALSE; }
}
if($need_ip && isset($HTTP_X_FORWARDED) && $HTTP_X_FORWARDED != "") {
$dsr = ereg($ip_ereg, $HTTP_X_FORWARDED, $a);
if($dsr && isset($a[1]) && $a[1] != "")
{ $REMOTE_ADDR = $a[1]; $need_ip = FALSE; }
}
if($need_ip && isset($HTTP_FORWARDED_FOR) && $HTTP_FORWARDED_FOR != "") {
$dsr = ereg($ip_ereg, $HTTP_FORWARDED_FOR, $a);
if($dsr && isset($a[1]) && $a[1] != "")
{ $REMOTE_ADDR = $a[1]; $need_ip = FALSE; }
}
if($need_ip && isset($HTTP_FORWARDED) && $HTTP_FORWARDED != "") {
$dsr = ereg($ip_ereg, $HTTP_FORWARDED, $a);
if($dsr && isset($a[1]) && $a[1] != "")
{ $REMOTE_ADDR = $a[1]; $need_ip = FALSE; }
}
}
### NEEDED TO GET AROUND AN UNFIXED IIS BUG ###
function do_redir($url) {
global $SERVER_SOFTWARE;
symp_disconnect(TRUE);
if(isset($SERVER_SOFTWARE) && ereg("IIS", $SERVER_SOFTWARE)) {
header("Refresh: 0; URL=${url}");
echo "<html><body bgcolor=\"#000000\"> </body></html>";
} else {
header("Location: ${url}");
}
exit();
}
### DATABASE WRAPPER FUNCTIONS ###
$s_dbid = FALSE;
$s_dbnum = 0;
function symp_connect() {
global $s_dbhost, $s_dbuser, $s_dbpass, $s_dbname;
global $s_dbid, $s_dbnum;
if($s_dbid && $s_dbnum > 0) {
$s_dbnum = $s_dbnum + 1;
} else {
$s_dbid = mysql_connect($s_dbhost, $s_dbuser, $s_dbpass);
if(!$s_dbid || !mysql_select_db($s_dbname, $s_dbid))
{ die("A database error has occured!\n"); }
$s_dbnum = 1;
}
}
function symp_disconnect($full=FALSE) {
global $s_dbid, $s_dbnum;
if($s_dbid && ($full || $s_dbnum <= 1)) {
mysql_close($s_dbid);
$s_dbid = FALSE;
$s_dbnum = 0;
} elseif(!$s_dbid) {
$s_dbnum = 0;
} else {
$s_dbnum = $s_dbnum - 1;
}
}
?>
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