BUG/MINOR: lua: unsafe initialization

During the Lua HAProxy initialisation, C functions using Lua calls
can throws an error. This error was not catched. This patch fix
this behaviour.

diff --git a/src/hlua.c b/src/hlua.c
index 5cf23203fc6e40bfc8de5101e122f32e88eca35d..1a31eb267d34b93c32a93d562296b6a9aecfbecf 100644 (file)
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -6591,6 +6591,12 @@ void hlua_init(void)
        /* Initialise lua. */
        luaL_openlibs(gL.T);
 
+       /* Set safe environment for the initialisation. */
+       if (!SET_SAFE_LJMP(gL.T)) {
+               fprintf(stderr, "Lua init: critical error.\n");
+               exit(1);
+       }
+
        /*
         *
         * Create "core" object.
@@ -7151,4 +7157,6 @@ void hlua_init(void)
        /* Initialize SSL server. */
        ssl_sock_prepare_srv_ctx(&socket_ssl, &socket_proxy);
 #endif
+
+       RESET_SAFE_LJMP(gL.T);
 }