MFH: Fixed bug #48307 (stream_copy_to_stream() copies 0 bytes when $source

is a socket)

ext/standard/tests/streams/stream_copy_to_stream_socket.phpt

@@ -0,0 +1,30 @@
+--TEST--
+stream_copy_to_stream() with socket as $source
+--SKIPIF--
+<?php
+$sockets = @stream_socket_pair(STREAM_PF_UNIX, STREAM_SOCK_STREAM, 0);
+if (!$sockets) die("skip stream_socket_pair");
+?>
+--FILE--
+<?php
+
+$sockets = stream_socket_pair(STREAM_PF_UNIX, STREAM_SOCK_STREAM, 0);
+$tmp = tmpfile();
+
+fwrite($sockets[0], b"a");
+stream_socket_shutdown($sockets[0], STREAM_SHUT_WR);
+stream_copy_to_stream($sockets[1], $tmp);
+
+fseek($tmp, 0, SEEK_SET);
+var_dump(stream_get_contents($tmp));
+
+stream_copy_to_stream($sockets[1], $tmp);
+
+fseek($tmp, 0, SEEK_SET);
+var_dump(stream_get_contents($tmp));
+
+
+?>
+--EXPECT--
+string(1) "a"
+string(1) "a"

main/streams/streams.c

@@ -1322,11 +1322,8 @@ PHPAPI size_t _php_stream_copy_to_stream_ex(php_stream *src, php_stream *dest, s
 
 	if (php_stream_stat(src, &ssbuf) == 0) {
 		if (ssbuf.sb.st_size == 0
-#ifdef S_ISFIFO
-		 && !S_ISFIFO(ssbuf.sb.st_mode)
-#endif
-#ifdef S_ISCHR
-		 && !S_ISCHR(ssbuf.sb.st_mode)
+#ifdef S_ISREG
+			&& S_ISREG(ssbuf.sb.st_mode)
 #endif
 		) {
 			*len = 0;