Index: ext/standard/dl.c
===================================================================
RCS file: /repository/php-src/ext/standard/dl.c,v
retrieving revision 1.106.2.1.2.2
diff -u -r1.106.2.1.2.2 dl.c
--- ext/standard/dl.c	23 Feb 2007 00:37:35 -0000	1.106.2.1.2.2
+++ ext/standard/dl.c	10 Sep 2007 09:14:41 -0000
@@ -134,6 +134,21 @@
 		libpath = estrndup(Z_STRVAL_P(file), Z_STRLEN_P(file));
 	}
 
+	if (PG(safe_mode) && (!php_checkuid(libpath, NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
+		efree(libpath);
+		RETURN_FALSE;
+	}
+
+	if (php_check_open_basedir(libpath TSRMLS_CC)) {
+		efree(libpath);
+		RETURN_FALSE;
+	}
+
+	if (strlen(libpath) >= MAXPATHLEN) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Filename exceeds the maximum allowed length of %d characters", MAXPATHLEN);
+		RETURN_FALSE;
+	}
+
 	/* load dynamic symbol */
 	handle = DL_LOAD(libpath);
 	if (!handle) {