From: Rasmus Lerdorf <rasmus@php.net>
Date: Sun, 28 Nov 1999 16:23:30 +0000 (+0000)
Subject: (symlink) Disable symlinks to urls
X-Git-Tag: PRE_RETURN_REF_PATCH~191
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6132f85c8d48dcd7485777e64d1eb0fd39387712;p=php

(symlink) Disable symlinks to urls
@- Disable symlinks to urls
---

diff --git a/ext/standard/link.c b/ext/standard/link.c
index b6071d4c09..077d63c524 100644
--- a/ext/standard/link.c
+++ b/ext/standard/link.c
@@ -116,6 +116,10 @@ PHP_FUNCTION(symlink)
 	if (PG(safe_mode) && !_php3_checkuid((*topath)->value.str.val, 2)) {
 		RETURN_FALSE;
 	}
+	if (!strncasecmp((*topath)->value.str.val,"http://",7) || !strncasecmp((*topath)->value.str.val,"ftp://",6)) {
+		php_error(E_WARNING, "Unable to symlink to a URL");
+		RETURN_FALSE;
+	}
 
 	ret = symlink((*topath)->value.str.val, (*frompath)->value.str.val);
 	if (ret == -1) {