Remove an unnecessary guard against infinite recursion in session handling

This used to be useful in the times of PHP5.4/Suhosin
(https://github.com/sektioneins/suhosin/issues/60),
but nowadays, php is handling this case on its own.

2 files changed, 36 insertions, 7 deletions

diff --git a/src/sp_session.c b/src/sp_session.c
index b3db622..bd11557 100644
--- a/src/sp_session.c
+++ b/src/sp_session.c
@@ -93,13 +93,6 @@ static void sp_hook_session_module() {
 }
 
 static PHP_INI_MH(sp_OnUpdateSaveHandler) {
-  if (stage == PHP_INI_STAGE_RUNTIME &&
-      SESSION_G(session_status) == php_session_none && s_original_mod &&
-      zend_string_equals_literal(new_value, "user") == 0 &&
-      strcmp(((ps_module *)s_original_mod)->s_name, "user") == 0) {
-    return SUCCESS;
-  }
-
   SESSION_G(mod) = s_original_mod;
 
   int r = old_OnUpdateSaveHandler(entry, new_value, mh_arg1, mh_arg2, mh_arg3,
diff --git a/src/tests/set_custom_session_handler2.phpt b/src/tests/set_custom_session_handler2.phpt
new file mode 100644
index 0000000..ecd40ea
--- /dev/null
+++ b/src/tests/set_custom_session_handler2.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Set a custom session handler, twice
+--SKIPIF--
+<?php if (!extension_loaded("snuffleupagus")) die "skip"; ?>
+--INI--
+sp.configuration_file={PWD}/config/config_crypt_session.ini
+session.save_path = "/tmp"
+--ENV--
+return <<<EOF
+REMOTE_ADDR=127.0.0.1
+EOF;
+--FILE--
+<?php
+session_set_save_handler(new SessionHandler(), true);
+session_start();
+$_SESSION['a'] = 'b';
+#var_dump($_SESSION);
+session_destroy();
+session_set_save_handler(new SessionHandler(), true);
+session_start();
+$_SESSION['a'] = 'b';
+var_dump($_SESSION);
+session_destroy();
+?>
+--EXPECTF--
+Warning: SessionHandler::open(): Cannot call session save handler in a recursive manner in%s/tests/set_custom_session_handler2.php on line 8
+
+Warning: SessionHandler::close(): Cannot call session save handler in a recursive manner in %stests/set_custom_session_handler2.php on line 8
+
+Warning: session_start(): Failed to initialize storage module: user (path: %s) in %stests/set_custom_session_handler2.php on line 8
+array(1) {
+  ["a"]=>
+  string(1) "b"
+}
+
+Warning: session_destroy(): Trying to destroy uninitialized session in %s/tests/set_custom_session_handler2.php on line %d