Fix missing symbol when there is no session support

It's possible to build PHP with sessions as a
module, or even without sessions at all.

This commit make it possible to use Snuffleupagus
on those platforms.

2 files changed, 20 insertions, 0 deletions

diff --git a/src/sp_config_keywords.c b/src/sp_config_keywords.c
index 04a3f41..760961a 100644
--- a/src/sp_config_keywords.c
+++ b/src/sp_config_keywords.c
@@ -40,6 +40,18 @@ int parse_session(char *line) {
   if (0 != ret) {
     return ret;
   }
+
+#if ( !HAVE_PHP_SESSION || defined(COMPILE_DL_SESSION) )
+  sp_log_err("config",
+      "You're trying to use the session cookie encryption feature "
+      "on line %zu without having session support statically built into PHP. "
+      "This isn't supported, see "
+      "https://github.com/nbs-system/snuffleupagus/issues/278 for details.",
+      sp_line_no);
+  pefree(session, 0);
+  return -1;
+#endif
+
   if (session->encrypt) {
     if (0 == (SNUFFLEUPAGUS_G(config).config_snuffleupagus->cookies_env_var)) {
       sp_log_err(
diff --git a/src/sp_session.c b/src/sp_session.c
index 22b6688..25b5d85 100644
--- a/src/sp_session.c
+++ b/src/sp_session.c
@@ -3,6 +3,8 @@
 
 ZEND_DECLARE_MODULE_GLOBALS(snuffleupagus);
 
+#if ( HAVE_PHP_SESSION && !defined(COMPILE_DL_SESSION) )
+
 #ifdef ZTS
 static ts_rsrc_id session_globals_id = 0;
 #define SESSION_G(v) ZEND_TSRMG(session_globals_id, php_ps_globals *, v)
@@ -160,3 +162,9 @@ void hook_session() {
 
   sp_hook_session_module();
 }
+
+#else
+
+void hook_session() { }
+
+#endif  // HAVE_PHP_SESSION && !defined(COMPILE_DL_SESSION)