Fix open_basedir check for glob:// opendir wrapper

php_check_open_basedir() expects a local filesystem path,
but we're handing it a `glob://...` URI instead.

Move the check to after the path trim so that we're checking
a meaningful pathspec.

2 files changed, 39 insertions, 4 deletions

diff --git a/ext/standard/tests/streams/glob-wrapper.phpt b/ext/standard/tests/streams/glob-wrapper.phpt
new file mode 100644
index 0000000000..fc47d83a02
--- /dev/null
+++ b/ext/standard/tests/streams/glob-wrapper.phpt
@@ -0,0 +1,35 @@
+--TEST--
+Glob wrapper bypasses open_basedir
+--INI--
+open_basedir=/does_not_exist
+--SKIPIF--
+<?php
+if (!in_array("glob", stream_get_wrappers())) echo "skip";
+--FILE--
+<?php
+
+foreach ( [ __DIR__, "glob://".__DIR__ ] as $spec) {
+  echo "** Opening $spec\n";
+  $dir = opendir($spec);
+  if (!$dir) {
+    echo "Failed to open $spec\n";
+    continue;
+  }
+  if (false === readdir($dir)) {
+    echo "No files in $spec\n";
+    continue;
+  }
+}
+--EXPECTF--
+** Opening %s
+
+Warning: opendir(): open_basedir restriction in effect. File(/%s) is not within the allowed path(s): (/does_not_exist) in %s/glob-wrapper.php on line 5
+
+Warning: opendir(/%s): failed to open dir: Operation not permitted in %s/glob-wrapper.php on line 5
+Failed to open /%s
+** Opening glob://%s
+
+Warning: opendir(): open_basedir restriction in effect. File(/%s) is not within the allowed path(s): (/does_not_exist) in %s/glob-wrapper.php on line 5
+
+Warning: opendir(glob://%s): failed to open dir: operation failed in %s/glob-wrapper.php on line 5
+Failed to open glob://%s
diff --git a/main/streams/glob_wrapper.c b/main/streams/glob_wrapper.c
index 8405bef73c..90d7bef0fd 100644
--- a/main/streams/glob_wrapper.c
+++ b/main/streams/glob_wrapper.c
@@ -213,10 +213,6 @@ static php_stream *php_glob_stream_opener(php_stream_wrapper *wrapper, const cha
 	int ret;
 	const char *tmp, *pos;
 
-	if (((options & STREAM_DISABLE_OPEN_BASEDIR) == 0) && php_check_open_basedir(path TSRMLS_CC)) {
-		return NULL;
-	}
-
 	if (!strncmp(path, "glob://", sizeof("glob://")-1)) {
 		path += sizeof("glob://")-1;
 		if (opened_path) {
@@ -224,6 +220,10 @@ static php_stream *php_glob_stream_opener(php_stream_wrapper *wrapper, const cha
 		}
 	}
 
+	if (((options & STREAM_DISABLE_OPEN_BASEDIR) == 0) && php_check_open_basedir(path TSRMLS_CC)) {
+		return NULL;
+	}
+
 	pglob = ecalloc(sizeof(*pglob), 1);
 	
 	if (0 != (ret = glob(path, pglob->flags & GLOB_FLAGMASK, NULL, &pglob->glob))) {