From: Ilia Alshanetsky <iliaa@php.net>
Date: Wed, 26 Mar 2008 23:06:47 +0000 (+0000)
Subject: Fixed bug #44501 (LOCK_EX mode in file_put_contents() is impropertly
X-Git-Tag: BEFORE_NEW_PARAMETER_PARSE~461
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=17d22a50d9f318927bac81c1a33a9700a3ed0fd4;p=php

Fixed bug #44501 (LOCK_EX mode in file_put_contents() is impropertly
handled in combination with url wrappers)
---

diff --git a/ext/standard/file.c b/ext/standard/file.c
index 0fce31af2f..db783325ee 100644
--- a/ext/standard/file.c
+++ b/ext/standard/file.c
@@ -596,6 +596,13 @@ PHP_FUNCTION(file_put_contents)
 	if (flags & PHP_FILE_APPEND) {
 		mode[0] = 'a';
 	} else if (flags & LOCK_EX) {
+		/* check to make sure we are dealing with a regular file */
+		if (php_memnstr(filename, "://", sizeof("://") - 1, filename + filename_len)) {
+			if (strncasecmp(filename, "file://", sizeof("file://") - 1)) {
+				php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks may only be set for regular files");
+				RETURN_FALSE;
+			}
+		}
 		mode[0] = 'c';
 	}
 	mode[2] = '\0';