More PHP5 changes.

www/beginexp_form.php3

 <?php
 #
 # EMULAB-COPYRIGHT
-# Copyright (c) 2000-2007 University of Utah and the Flux Group.
+# Copyright (c) 2000-2007, 2010 University of Utah and the Flux Group.
 # All rights reserved.
 #
 
@@ -35,12 +35,12 @@ function INITFORM($formfields, $projlist)
         # this is to have another page for netbuild that does some magic and
         # redirects the browser to this page. 
         #
-	if (isset($nsref) && $nsref != "" && ereg("^[0-9]+$", $nsref))
+	if (isset($nsref) && $nsref != "" && preg_match('/^[0-9]+$/', $nsref))
 	    $defaults["nsref"] = $nsref;
 	else
 	    unset($nsref);
 	
-	if (isset($guid) && $guid != "" &&  ereg("^[0-9]+$", $guid))
+	if (isset($guid) && $guid != "" && preg_match('/^[0-9]+$/', $guid))
 	    $defaults["guid"] = $guid;
 	else
 	    unset($guid);

www/buildui/nssave.php3

 <?php
 #
 # EMULAB-COPYRIGHT
-# Copyright (c) 2000-2007 University of Utah and the Flux Group.
+# Copyright (c) 2000-2010 University of Utah and the Flux Group.
 # All rights reserved.
 #
 
@@ -21,7 +21,7 @@ $optargs = OptionalPageArguments("guid", PAGEARG_INTEGER,
 #
 # Only known and logged in users.
 #
-if (isset($guid) && ereg("^[0-9]+$", $guid)) {
+if (isset($guid) && preg_match('/^[0-9]+$/', $guid)) {
 	$uid = $guid;
 }
 else {
@@ -38,7 +38,7 @@ if (!isset($nsdata)) {
 	USERERROR("Need to send NSFILE!", 1);
 } 
 
-if (!isset($nsref) || !ereg("^[0-9]+$", $nsref)) {
+if (!isset($nsref) || !preg_match('/^[0-9]+$/', $nsref)) {
 	USERERROR("Need to send valid NSREF!", 1);
 }
 

www/cdromcheckin.php3

 <?php
 #
 # EMULAB-COPYRIGHT
-# Copyright (c) 2000-2003, 2007 University of Utah and the Flux Group.
+# Copyright (c) 2000-2010 University of Utah and the Flux Group.
 # All rights reserved.
 #
 require("defs.php3");
@@ -98,7 +98,7 @@ if ((!isset($cdkey) || !strcmp($cdkey, ""))) {
     return;
 }
 
-if (!ereg("[0-9a-zA-Z]+", $cdkey)) {
+if (!preg_match('/[0-9a-zA-Z]+/', $cdkey)) {
     SPITSTATUS(CDROMSTATUS_INVALIDARGS);
     return;
 }
@@ -157,14 +157,14 @@ if ((!isset($privkey) || !strcmp($privkey, "")) ||
     return;
 }
 
-if (!ereg("[0-9a-zA-Z ]+", $privkey) ||
-    !ereg("[0-9\.]+", $IP)) {
+if (!preg_match('/[0-9a-zA-Z ]+/', $privkey) ||
+    !preg_match('/[0-9\.]+/', $IP)) {
     SPITSTATUS(CDROMSTATUS_INVALIDARGS);
     return;
 }
 
 if (isset($wahostname) &&
-    !ereg("[-_0-9a-zA-Z\.]+", $wahostname)) {
+    !preg_match('/[-_0-9a-zA-Z\.]+/', $wahostname)) {
     SPITSTATUS(CDROMSTATUS_INVALIDARGS);
     return;
 }
@@ -183,7 +183,7 @@ if (isset($wahostname)) {
 }
 
 if (isset($roottag) &&
-    !ereg("[0-9a-zA-Z]+", $roottag)) {
+    !preg_match('/[0-9a-zA-Z]+/', $roottag)) {
     SPITSTATUS(CDROMSTATUS_INVALIDARGS);
     return;
 }

www/defs.php3.in

 <?php
 #
 # EMULAB-COPYRIGHT
-# Copyright (c) 2000-2009 University of Utah and the Flux Group.
+# Copyright (c) 2000-2010 University of Utah and the Flux Group.
 # All rights reserved.
 #
 # Lets emulate register_globals=off for a while.
@@ -532,12 +532,12 @@ function VALIDUSERPATH($path, $uid="", $pid="", $gid="", $eid="")
     # No ids specified, just make sure it starts with an appropriate prefix.
     #
     if (!$uid && !$pid && !$gid && !$eid) {
-	if (ereg("^$TBPROJ_DIR/.*", $path) ||
-	    ereg("^$TBUSER_DIR/.*", $path) ||
-	    ereg("^$TBGROUP_DIR/.*", $path)) {
+	if (preg_match("/^$TBPROJ_DIR\/.*/", $path) ||
+	    preg_match("/^$TBUSER_DIR\/.*/", $path) ||
+	    preg_match("/^$TBGROUP_DIR\/.*/", $path)) {
 	    return 1;
 	}
-	if ($TBSCRATCH_DIR && ereg("^$TBSCRATCH_DIR/.*", $path)) {
+	if ($TBSCRATCH_DIR && preg_match("/^$TBSCRATCH_DIR\/.*/", $path)) {
 	    return 1;
 	}
 	return 0;

www/delaycontrol.php3

 <?php
 #
 # EMULAB-COPYRIGHT
-# Copyright (c) 2000-2007 University of Utah and the Flux Group.
+# Copyright (c) 2000-2010 University of Utah and the Flux Group.
 # All rights reserved.
 #
 include("defs.php3");
@@ -535,7 +535,7 @@ while (list ($header, $value) = each ($formfields)) {
 	continue;
     }
     if (!isset($value) || !strcmp($value, "") ||
-	!ereg("^[0-9\.bs]*$", "$value")) {
+	!preg_match('/^[0-9\.bs]*$/', "$value")) {
 	continue;
     }
 

www/newnodelog.php3

 <?php
 #
 # EMULAB-COPYRIGHT
-# Copyright (c) 2000-2007 University of Utah and the Flux Group.
+# Copyright (c) 2000-2010 University of Utah and the Flux Group.
 # All rights reserved.
 #
 include("defs.php3");
@@ -31,7 +31,7 @@ if (! ($isadmin || OPSGUY())) {
 #
 # Check log type. Strictly letters, not too long. 
 #
-if (! ereg("^[a-zA-Z]+$", $log_type) || strlen($log_type) > 32) {
+if (!preg_match('/^[a-zA-Z]+$/', $log_type) || strlen($log_type) > 32) {
     USERERROR("The log type you gave looks funky!", 1);
 }
 

www/spitnsdata.php3

 <?php
 #
 # EMULAB-COPYRIGHT
-# Copyright (c) 2000-2003, 2005-2007 University of Utah and the Flux Group.
+# Copyright (c) 2000-2010 University of Utah and the Flux Group.
 # All rights reserved.
 #
 include("defs.php3");
@@ -134,8 +134,8 @@ if (isset($nsdata) && strcmp($nsdata, "") != 0) {
     header("Content-Type: text/plain");
     echo "$nsdata";
 } elseif (isset($nsref) && strcmp($nsref,"") != 0 && 
-          ereg("^[0-9]+$", $nsref)) {
-    if (isset($guid) && ereg("^[0-9]+$", $guid)) {
+          preg_match('/^[0-9]+$/', $nsref)) {
+    if (isset($guid) && preg_match('/^[0-9]+$/', $guid)) {
 	$nsfile = "/tmp/$guid-$nsref.nsfile";    
         $id = $guid;
     } else {