Add conditional enabling of modules.

src/libserver/cfg_rcl.c

@@ -795,7 +795,7 @@ rspamd_rcl_add_module_path (struct rspamd_config *cfg,
 	struct stat st;
 	struct script_module *cur_mod;
 	glob_t globbuf;
-	gchar *pattern;
+	gchar *pattern, *ext_pos;
 	size_t len;
 	guint i;
 
@@ -823,6 +823,15 @@ rspamd_rcl_add_module_path (struct rspamd_config *cfg,
 						sizeof (struct script_module));
 				cur_mod->path = rspamd_mempool_strdup (cfg->cfg_pool,
 						globbuf.gl_pathv[i]);
+				cur_mod->name = g_path_get_basename (cur_mod->path);
+				rspamd_mempool_add_destructor (cfg->cfg_pool, g_free,
+						cur_mod->name);
+				ext_pos = strstr (cur_mod->name, ".lua");
+
+				if (ext_pos != NULL) {
+					*ext_pos = '\0';
+				}
+
 				cfg->script_modules = g_list_prepend (cfg->script_modules,
 						cur_mod);
 			}

src/libserver/cfg_utils.c

@@ -1059,15 +1059,8 @@ rspamd_config_is_module_enabled (struct rspamd_config *cfg,
 	conf = ucl_object_find_key (cfg->rcl_obj, module_name);
 
 	if (conf == NULL) {
-		if (is_c) {
-			msg_info ("internal module %s is enabled but has not configured",
-					module_name);
-		}
-		else {
-			msg_info ("lua module %s is disabled as it has not configured",
-								module_name);
-			return FALSE;
-		}
+		msg_info ("%s module %s is enabled but has not been configured",
+				is_c ? "internal" : "lua", module_name);
 	}
 	else {
 		enabled = ucl_object_find_key (conf, "enabled");
@@ -1087,7 +1080,7 @@ rspamd_config_is_module_enabled (struct rspamd_config *cfg,
 	if (gr) {
 		if (gr->disabled) {
 			msg_info ("%s module %s is disabled in the configuration as "
-					"its group is disabled",
+					"its group has been disabled",
 					is_c ? "internal" : "lua", module_name);
 			return FALSE;
 		}

src/lua/lua_common.c

@@ -294,6 +294,11 @@ rspamd_init_lua_filters (struct rspamd_config *cfg)
 	while (cur) {
 		module = cur->data;
 		if (module->path) {
+			if (!rspamd_config_is_module_enabled (cfg, module->name)) {
+				cur = g_list_next (cur);
+				continue;
+			}
+
 			if (luaL_loadfile (L, module->path) != 0) {
 				msg_info ("load of %s failed: %s", module->path,
 					lua_tostring (L, -1));

src/plugins/chartable.c

@@ -82,6 +82,10 @@ chartable_module_config (struct rspamd_config *cfg)
 	const ucl_object_t *value;
 	gint res = TRUE;
 
+	if (!rspamd_config_is_module_enabled (cfg, "chartable")) {
+		return TRUE;
+	}
+
 	if ((value =
 		rspamd_config_get_module_opt (cfg, "chartable", "symbol")) != NULL) {
 		chartable_module_ctx->symbol = ucl_obj_tostring (value);

src/plugins/dkim_check.c

@@ -116,6 +116,10 @@ dkim_module_config (struct rspamd_config *cfg)
 	guint cache_size, cache_expire;
 	gboolean got_trusted = FALSE;
 
+	if (!rspamd_config_is_module_enabled (cfg, "dkim")) {
+		return TRUE;
+	}
+
 	dkim_module_ctx->whitelist_ip = radix_create_compressed ();
 
 	if ((value =

src/plugins/fuzzy_check.c

@@ -417,6 +417,10 @@ fuzzy_check_module_config (struct rspamd_config *cfg)
 	const ucl_object_t *value, *cur;
 	gint res = TRUE, cb_id;
 
+	if (!rspamd_config_is_module_enabled (cfg, "fuzzy_check")) {
+		return TRUE;
+	}
+
 	if ((value =
 		rspamd_config_get_module_opt (cfg, "fuzzy_check", "symbol")) != NULL) {
 		fuzzy_module_ctx->default_symbol = ucl_obj_tostring (value);

src/plugins/regexp.c

@@ -114,6 +114,10 @@ regexp_module_config (struct rspamd_config *cfg)
 	ucl_object_iter_t it = NULL;
 	gint res = TRUE;
 
+	if (!rspamd_config_is_module_enabled (cfg, "regexp")) {
+		return TRUE;
+	}
+
 	sec = ucl_object_find_key (cfg->rcl_obj, "regexp");
 	if (sec == NULL) {
 		msg_err ("regexp module enabled, but no rules are defined");

src/plugins/spf.c

@@ -108,6 +108,10 @@ spf_module_config (struct rspamd_config *cfg)
 	gint res = TRUE, cb_id;
 	guint cache_size, cache_expire;
 
+	if (!rspamd_config_is_module_enabled (cfg, "spf")) {
+		return TRUE;
+	}
+
 	spf_module_ctx->whitelist_ip = radix_create_compressed ();
 
 	if ((value =

src/plugins/surbl.c

@@ -346,6 +346,10 @@ surbl_module_config (struct rspamd_config *cfg)
 	gint cb_id;
 	gboolean has_subsymbols;
 
+	if (!rspamd_config_is_module_enabled (cfg, "surbl")) {
+		return TRUE;
+	}
+
 	if ((value =
 		rspamd_config_get_module_opt (cfg, "surbl", "redirector")) != NULL) {
 		surbl_module_ctx->redirectors = rspamd_upstreams_create ();