From cd7750e4baf98705741c45bc93c00084ed11087f Mon Sep 17 00:00:00 2001
From: Antony Dovgal <tony2001@php.net>
Date: Fri, 1 Jun 2007 13:33:48 +0000
Subject: [PATCH] fix #41518 (file_exists() warns of open_basedir restriction
 on non-existent file)

---
 .../tests/general_functions/bug41518.phpt     | 28 +++++++++++++++++++
 main/fopen_wrappers.c                         | 12 +++++++-
 2 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 ext/standard/tests/general_functions/bug41518.phpt

diff --git a/ext/standard/tests/general_functions/bug41518.phpt b/ext/standard/tests/general_functions/bug41518.phpt
new file mode 100644
index 0000000000..c15cae1212
--- /dev/null
+++ b/ext/standard/tests/general_functions/bug41518.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Bug #41518 (file_exists() warns of open_basedir restriction on non-existent file)
+--SKIPIF--
+<?php
+/* let's use /tmp here */
+$tmp_dir = "/tmp";
+if (!is_dir($tmp_dir) || realpath($tmp_dir) !== $tmp_dir) {
+	die("skip");
+}
+?>
+--INI--
+open_basedir=/tmp/
+--FILE--
+<?php
+
+$tmp_dir = "/tmp";
+$tmp_file = $tmp_dir."/bug41418.tmp";
+
+touch($tmp_file);
+var_dump(file_exists($tmp_file)); //exists
+var_dump(file_exists($tmp_file."nosuchfile")); //doesn't exist
+
+echo "Done\n";
+?>
+--EXPECTF--	
+bool(true)
+bool(false)
+Done
diff --git a/main/fopen_wrappers.c b/main/fopen_wrappers.c
index 476b4c8442..895afc4a6c 100644
--- a/main/fopen_wrappers.c
+++ b/main/fopen_wrappers.c
@@ -229,8 +229,8 @@ PHPAPI int php_check_specific_open_basedir(const char *basedir, const char *path
 			}
 		}
 
+		resolved_name_len = strlen(resolved_name);
 		if (path_tmp[path_len - 1] == PHP_DIR_SEPARATOR) {
-			resolved_name_len = strlen(resolved_name);
 			if (resolved_name[resolved_name_len - 1] != PHP_DIR_SEPARATOR) {
 				resolved_name[resolved_name_len] = PHP_DIR_SEPARATOR;
 				resolved_name[++resolved_name_len] = '\0';
@@ -246,6 +246,16 @@ PHPAPI int php_check_specific_open_basedir(const char *basedir, const char *path
 			/* File is in the right directory */
 			return 0;
 		} else {
+			/* /openbasedir/ and /openbasedir are the same directory */
+			if (resolved_basedir_len == (resolved_name_len + 1) && resolved_basedir[resolved_basedir_len - 1] == PHP_DIR_SEPARATOR) {
+#if defined(PHP_WIN32) || defined(NETWARE)
+				if (strncasecmp(resolved_basedir, resolved_name, resolved_name_len) == 0) {
+#else
+				if (strncmp(resolved_basedir, resolved_name, resolved_name_len) == 0) {
+#endif
+					return 0;
+				}
+			}
 			return -1;
 		}
 	} else {
-- 
2.50.1