Check for regular file in mod_cgi, so we don't try to start directories

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2439 152afb58-edef-0310-8abb-c4023f1b3aa9

NEWS

@@ -16,6 +16,7 @@ NEWS
   * Fix mod_proxy RoundRobin (off by one problem if only one backend is up)
   * Rename configure.in to configure.ac, with small cleanups (fixes #1932)
   * Add proper SUID bit detection (fixes #416)
+  * Check for regular file in mod_cgi, so we don't try to start directories
 
 - 1.4.22 - 2009-03-07
   * Fix wrong lua type for CACHE_MISS/CACHE_HIT in mod_cml (fixes #533)

src/mod_cgi.c

@@ -24,6 +24,7 @@
 #include <fcntl.h>
 
 #include "server.h"
+#include "stat_cache.h"
 #include "keyvalue.h"
 #include "log.h"
 #include "connections.h"
@@ -1207,6 +1208,7 @@ URIHANDLER_FUNC(cgi_is_handled) {
 	size_t k, s_len;
 	plugin_data *p = p_d;
 	buffer *fn = con->physical.path;
+	stat_cache_entry *sce = NULL;
 
 	if (con->mode != DIRECT) return HANDLER_GO_ON;
 
@@ -1214,6 +1216,9 @@ URIHANDLER_FUNC(cgi_is_handled) {
 
 	mod_cgi_patch_connection(srv, con, p);
 
+	if (HANDLER_ERROR == stat_cache_get_entry(srv, con, con->physical.path, &sce)) return HANDLER_GO_ON;
+	if (!S_ISREG(sce->st.st_mode)) return HANDLER_GO_ON;
+
 	s_len = fn->used - 1;
 
 	for (k = 0; k < p->conf.cgi->used; k++) {