From aff47f8c124edd9e84b610253a8f63bbd0038788 Mon Sep 17 00:00:00 2001
From: Jakub Zelenka <bukka@php.net>
Date: Mon, 28 Aug 2023 13:22:17 +0100
Subject: [PATCH] Fix bug #60110 (fclose(), file_put_contents(), copy() do not
 return false properly)

---
 ext/standard/file.c                   | 17 ++---
 ext/standard/tests/file/bug60110.phpt | 94 +++++++++++++++++++++++++++
 main/streams/streams.c                |  9 ++-
 3 files changed, 107 insertions(+), 13 deletions(-)
 create mode 100644 ext/standard/tests/file/bug60110.phpt

diff --git a/ext/standard/file.c b/ext/standard/file.c
index edaba57748cb3..033c704d867cf 100644
--- a/ext/standard/file.c
+++ b/ext/standard/file.c
@@ -582,9 +582,8 @@ PHP_FUNCTION(file_put_contents)
 			numbytes = -1;
 			break;
 	}
-	php_stream_close(stream);
 
-	if (numbytes < 0) {
+	if (php_stream_close(stream) || numbytes < 0) {
 		RETURN_FALSE;
 	}
 
@@ -782,11 +781,9 @@ PHPAPI PHP_FUNCTION(fclose)
 		RETURN_FALSE;
 	}
 
-	php_stream_free(stream,
+	RETURN_BOOL(!php_stream_free(stream,
 		PHP_STREAM_FREE_KEEP_RSRC |
-		(stream->is_persistent ? PHP_STREAM_FREE_CLOSE_PERSISTENT : PHP_STREAM_FREE_CLOSE));
-
-	RETURN_TRUE;
+		(stream->is_persistent ? PHP_STREAM_FREE_CLOSE_PERSISTENT : PHP_STREAM_FREE_CLOSE)));
 }
 /* }}} */
 
@@ -1617,11 +1614,11 @@ PHPAPI int php_copy_file_ctx(const char *src, const char *dest, int src_flg, php
 	if (srcstream && deststream) {
 		ret = php_stream_copy_to_stream_ex(srcstream, deststream, PHP_STREAM_COPY_ALL, NULL);
 	}
-	if (srcstream) {
-		php_stream_close(srcstream);
+	if (srcstream && php_stream_close(srcstream)) {
+		ret = FAILURE;
 	}
-	if (deststream) {
-		php_stream_close(deststream);
+	if (deststream && php_stream_close(deststream)) {
+		ret = FAILURE;
 	}
 	return ret;
 }
diff --git a/ext/standard/tests/file/bug60110.phpt b/ext/standard/tests/file/bug60110.phpt
new file mode 100644
index 0000000000000..4298fa86fa174
--- /dev/null
+++ b/ext/standard/tests/file/bug60110.phpt
@@ -0,0 +1,94 @@
+--TEST--
+Bug #60110 (fclose(), file_put_contents(), copy() do not return false properly)
+--FILE--
+<?php
+class astream {
+	public static $max = 100;
+
+	public $context;
+
+	protected $read = 0;
+
+	protected $flush = false;
+
+	function stream_open($path, $mode) {
+		$this->flush = basename($path) === 'flush';
+		return true;
+	}
+	
+	function stream_write($data) {
+		var_dump($data);
+		return strlen($data);
+	}
+
+	function stream_read($length) {
+		if ($length > self::$max - $this->read) {
+			$length = self::$max  - $this->read;
+		}
+		$this->read += $length;
+		return str_repeat('a', $length);
+	}
+
+	function stream_tell() {
+		return $this->read;
+	}
+
+	function stream_eof() {
+		return $this->read == self::$max;
+	}
+
+	function stream_flush() {
+		return $this->flush;
+	}
+
+	function stream_stat() {
+		return fstat(fopen('php://memory', "r"));
+	}
+
+	function url_stat() {
+		return fstat(fopen('php://memory', "r"));
+	}
+}
+
+stream_wrapper_register('as', 'astream');
+
+$stream = fopen('as://flush', 'r+');
+var_dump(fwrite($stream, "data"));
+var_dump(fread($stream, 3));
+var_dump(fclose($stream));
+
+$stream = fopen('as://nothing', 'r+');
+var_dump(fwrite($stream, "data"));
+var_dump(fread($stream, 3));
+var_dump(fclose($stream));
+
+var_dump(file_put_contents('as://', 'test nothing'));
+var_dump(file_put_contents('as://flush', 'test flush'));
+
+$path = __DIR__ . '/bug60110_test_file.txt';
+var_dump(file_put_contents($path, 'sdata'));
+var_dump(copy($path, 'as://nothing'));
+var_dump(copy($path, 'as://flush'));
+?>
+--CLEAN--
+<?php
+@unlink(__DIR__ . '/bug60110_test_file.txt');
+?>
+--EXPECT--
+string(4) "data"
+int(4)
+string(3) "aaa"
+bool(true)
+string(4) "data"
+int(4)
+string(3) "aaa"
+bool(false)
+string(12) "test nothing"
+bool(false)
+string(10) "test flush"
+int(10)
+int(5)
+string(5) "sdata"
+bool(false)
+string(5) "sdata"
+bool(true)
\ No newline at end of file
diff --git a/main/streams/streams.c b/main/streams/streams.c
index bc0b551b5208d..b8e661f1962e8 100644
--- a/main/streams/streams.c
+++ b/main/streams/streams.c
@@ -446,9 +446,12 @@ fprintf(stderr, "stream_free: %s:%p[%s] preserve_handle=%d release_cast=%d remov
 		(close_options & PHP_STREAM_FREE_RSRC_DTOR) == 0);
 #endif
 
+	int flush_ret;
 	if (stream->flags & PHP_STREAM_FLAG_WAS_WRITTEN || stream->writefilters.head) {
 		/* make sure everything is saved */
-		_php_stream_flush(stream, 1);
+		flush_ret = _php_stream_flush(stream, 1);
+	} else {
+		flush_ret = 0;
 	}
 
 	/* If not called from the resource dtor, remove the stream from the resource list. */
@@ -472,10 +475,10 @@ fprintf(stderr, "stream_free: %s:%p[%s] preserve_handle=%d release_cast=%d remov
 				Let's let the cookie code clean it all up.
 			 */
 			stream->in_free = 0;
-			return fclose(stream->stdiocast);
+			return fclose(stream->stdiocast) || flush_ret;
 		}
 
-		ret = stream->ops->close(stream, preserve_handle ? 0 : 1);
+		ret = stream->ops->close(stream, preserve_handle ? 0 : 1) || flush_ret;
 		stream->abstract = NULL;
 
 		/* tidy up any FILE* that might have been fdopened */