/
lua_common.c
2182 lines (1822 loc) · 44.4 KB
/
lua_common.c
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/*-
* Copyright 2016 Vsevolod Stakhov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "lua_common.h"
#include "lptree.h"
#include "utlist.h"
#include "unix-std.h"
#include "ottery.h"
#include "lua_thread_pool.h"
#include "libstat/stat_api.h"
#include "libserver/rspamd_control.h"
#include <math.h>
/* Lua module init function */
#define MODULE_INIT_FUNC "module_init"
#ifdef WITH_LUA_TRACE
ucl_object_t *lua_traces;
#endif
const luaL_reg null_reg[] = {
{"__tostring", rspamd_lua_class_tostring},
{NULL, NULL}
};
static const char rspamd_modules_state_global[] = "rspamd_plugins_state";
static GQuark
lua_error_quark (void)
{
return g_quark_from_static_string ("lua-routines");
}
/* Util functions */
/**
* Create new class and store metatable on top of the stack
* @param L
* @param classname name of class
* @param func table of class methods
*/
void
rspamd_lua_new_class (lua_State * L,
const gchar *classname,
const struct luaL_reg *methods)
{
luaL_newmetatable (L, classname); /* mt */
lua_pushstring (L, "__index");
lua_pushvalue (L, -2); /* pushes the metatable */
lua_settable (L, -3); /* metatable.__index = metatable */
lua_pushstring (L, "class"); /* mt,"__index",it,"class" */
lua_pushstring (L, classname); /* mt,"__index",it,"class",classname */
lua_rawset (L, -3); /* mt,"__index",it */
luaL_register (L, NULL, methods);
}
/**
* Create and register new class with static methods and store metatable on top of the stack
*/
void
rspamd_lua_new_class_full (lua_State *L,
const gchar *classname,
const gchar *static_name,
const struct luaL_reg *methods,
const struct luaL_reg *func)
{
rspamd_lua_new_class (L, classname, methods);
luaL_register (L, static_name, func);
}
static const gchar *
rspamd_lua_class_tostring_buf (lua_State *L, gboolean print_pointer, gint pos)
{
static gchar buf[64];
const gchar *ret = NULL;
gint pop = 0;
if (!lua_getmetatable (L, pos)) {
goto err;
}
lua_pushstring (L, "__index");
lua_gettable (L, -2);
pop ++;
if (!lua_istable (L, -1)) {
goto err;
}
lua_pushstring (L, "class");
lua_gettable (L, -2);
pop ++;
if (!lua_isstring (L, -1)) {
goto err;
}
if (print_pointer) {
rspamd_snprintf (buf, sizeof (buf), "%s(%p)", lua_tostring (L, -1),
lua_touserdata (L, 1));
}
else {
rspamd_snprintf (buf, sizeof (buf), "%s", lua_tostring (L, -1));
}
ret = buf;
err:
lua_pop (L, pop);
return ret;
}
gint
rspamd_lua_class_tostring (lua_State * L)
{
const gchar *p;
p = rspamd_lua_class_tostring_buf (L, TRUE, 1);
if (!p) {
lua_pushstring (L, "invalid object passed to 'lua_common.c:__tostring'");
return lua_error (L);
}
lua_pushstring (L, p);
return 1;
}
void
rspamd_lua_setclass (lua_State * L, const gchar *classname, gint objidx)
{
luaL_getmetatable (L, classname);
if (objidx < 0) {
objidx--;
}
lua_setmetatable (L, objidx);
}
/* assume that table is at the top */
void
rspamd_lua_table_set (lua_State * L, const gchar *index, const gchar *value)
{
lua_pushstring (L, index);
if (value) {
lua_pushstring (L, value);
}
else {
lua_pushnil (L);
}
lua_settable (L, -3);
}
const gchar *
rspamd_lua_table_get (lua_State *L, const gchar *index)
{
const gchar *result;
lua_pushstring (L, index);
lua_gettable (L, -2);
if (!lua_isstring (L, -1)) {
return NULL;
}
result = lua_tostring (L, -1);
lua_pop (L, 1);
return result;
}
static void
lua_add_actions_global (lua_State *L)
{
gint i;
lua_newtable (L);
for (i = METRIC_ACTION_REJECT; i <= METRIC_ACTION_NOACTION; i++) {
lua_pushstring (L, rspamd_action_to_str (i));
lua_pushinteger (L, i);
lua_settable (L, -3);
}
/* Set global table */
lua_setglobal (L, "rspamd_actions");
}
#ifndef __APPLE__
#define OS_SO_SUFFIX ".so"
#else
#define OS_SO_SUFFIX ".dylib"
#endif
void
rspamd_lua_set_path (lua_State *L, const ucl_object_t *cfg_obj, GHashTable *vars)
{
const gchar *old_path, *additional_path = NULL;
const ucl_object_t *opts = NULL;
const gchar *pluginsdir = RSPAMD_PLUGINSDIR,
*rulesdir = RSPAMD_RULESDIR,
*lualibdir = RSPAMD_LUALIBDIR,
*libdir = RSPAMD_LIBDIR,
*sharedir = RSPAMD_SHAREDIR;
const gchar *t;
gchar path_buf[PATH_MAX];
lua_getglobal (L, "package");
lua_getfield (L, -1, "path");
old_path = luaL_checkstring (L, -1);
if (strstr (old_path, RSPAMD_LUALIBDIR) != NULL) {
/* Path has been already set, do not touch it */
lua_pop (L, 2);
return;
}
if (cfg_obj) {
opts = ucl_object_lookup (cfg_obj, "options");
if (opts != NULL) {
opts = ucl_object_lookup (opts, "lua_path");
if (opts != NULL && ucl_object_type (opts) == UCL_STRING) {
additional_path = ucl_object_tostring (opts);
}
}
}
if (additional_path) {
rspamd_snprintf (path_buf, sizeof (path_buf),
"%s;"
"%s",
additional_path, old_path);
}
else {
/* Try environment */
t = getenv ("SHAREDIR");
if (t) {
sharedir = t;
}
t = getenv ("PLUGINSDIR");
if (t) {
pluginsdir = t;
}
t = getenv ("RULESDIR");
if (t) {
rulesdir = t;
}
t = getenv ("LUALIBDIR");
if (t) {
lualibdir = t;
}
t = getenv ("LIBDIR");
if (t) {
libdir = t;
}
t = getenv ("RSPAMD_LIBDIR");
if (t) {
libdir = t;
}
if (vars) {
t = g_hash_table_lookup (vars, "PLUGINSDIR");
if (t) {
pluginsdir = t;
}
t = g_hash_table_lookup (vars, "SHAREDIR");
if (t) {
sharedir = t;
}
t = g_hash_table_lookup (vars, "RULESDIR");
if (t) {
rulesdir = t;
}
t = g_hash_table_lookup (vars, "LUALIBDIR");
if (t) {
lualibdir = t;
}
t = g_hash_table_lookup (vars, "LIBDIR");
if (t) {
libdir = t;
}
t = g_hash_table_lookup (vars, "RSPAMD_LIBDIR");
if (t) {
libdir = t;
}
}
rspamd_snprintf (path_buf, sizeof (path_buf),
"%s/lua/?.lua;"
"%s/?.lua;"
"%s/?.lua;"
"%s/?/init.lua;"
"%s",
RSPAMD_CONFDIR,
rulesdir,
lualibdir, lualibdir,
old_path);
}
lua_pop (L, 1);
lua_pushstring (L, path_buf);
lua_setfield (L, -2, "path");
lua_getglobal (L, "package");
lua_getfield (L, -1, "cpath");
old_path = luaL_checkstring (L, -1);
additional_path = NULL;
if (opts != NULL) {
opts = ucl_object_lookup (opts, "lua_cpath");
if (opts != NULL && ucl_object_type (opts) == UCL_STRING) {
additional_path = ucl_object_tostring (opts);
}
}
if (additional_path) {
rspamd_snprintf (path_buf, sizeof (path_buf),
"%s/?%s;"
"%s",
additional_path,
OS_SO_SUFFIX,
old_path);
}
else {
rspamd_snprintf (path_buf, sizeof (path_buf),
"%s/?%s;"
"%s",
libdir,
OS_SO_SUFFIX,
old_path);
}
lua_pop (L, 1);
lua_pushstring (L, path_buf);
lua_setfield (L, -2, "cpath");
lua_pop (L, 1);
}
static gint
rspamd_lua_cmp_version_components (const gchar *comp1, const gchar *comp2)
{
guint v1, v2;
v1 = strtoul (comp1, NULL, 10);
v2 = strtoul (comp2, NULL, 10);
return v1 - v2;
}
static int
rspamd_lua_rspamd_version_cmp (lua_State *L)
{
const gchar *ver;
gchar **components;
gint ret = 0;
if (lua_type (L, 2) == LUA_TSTRING) {
ver = lua_tostring (L, 2);
components = g_strsplit_set (ver, ".-_", -1);
if (!components) {
return luaL_error (L, "invalid arguments to 'cmp': %s", ver);
}
if (components[0]) {
ret = rspamd_lua_cmp_version_components (components[0],
RSPAMD_VERSION_MAJOR);
}
if (ret) {
goto set;
}
if (components[1]) {
ret = rspamd_lua_cmp_version_components (components[1],
RSPAMD_VERSION_MINOR);
}
if (ret) {
goto set;
}
/*
* XXX: we don't compare git releases assuming that it is meaningless
*/
}
else {
return luaL_error (L, "invalid arguments to 'cmp'");
}
set:
g_strfreev (components);
lua_pushinteger (L, ret);
return 1;
}
static int
rspamd_lua_rspamd_version_numeric (lua_State *L)
{
static gint64 version_num = RSPAMD_VERSION_NUM;
const gchar *type;
if (lua_gettop (L) >= 2 && lua_type (L, 1) == LUA_TSTRING) {
type = lua_tostring (L, 1);
if (g_ascii_strcasecmp (type, "short") == 0) {
version_num = RSPAMD_VERSION_MAJOR_NUM * 1000 +
RSPAMD_VERSION_MINOR_NUM * 100;
}
else if (g_ascii_strcasecmp (type, "main") == 0) {
version_num = RSPAMD_VERSION_MAJOR_NUM * 1000 +
RSPAMD_VERSION_MINOR_NUM * 100;
}
else if (g_ascii_strcasecmp (type, "major") == 0) {
version_num = RSPAMD_VERSION_MAJOR_NUM;
}
else if (g_ascii_strcasecmp (type, "minor") == 0) {
version_num = RSPAMD_VERSION_MINOR_NUM;
}
}
lua_pushinteger (L, version_num);
return 1;
}
static int
rspamd_lua_rspamd_version (lua_State *L)
{
const gchar *result = NULL, *type;
if (lua_gettop (L) == 0) {
result = RVERSION;
}
else if (lua_gettop (L) >= 1 && lua_type (L, 1) == LUA_TSTRING) {
/* We got something like string */
type = lua_tostring (L, 1);
if (g_ascii_strcasecmp (type, "short") == 0) {
result = RSPAMD_VERSION_MAJOR
"." RSPAMD_VERSION_MINOR;
}
else if (g_ascii_strcasecmp (type, "main") == 0) {
result = RSPAMD_VERSION_MAJOR "." RSPAMD_VERSION_MINOR;
}
else if (g_ascii_strcasecmp (type, "major") == 0) {
result = RSPAMD_VERSION_MAJOR;
}
else if (g_ascii_strcasecmp (type, "minor") == 0) {
result = RSPAMD_VERSION_MINOR;
}
else if (g_ascii_strcasecmp (type, "id") == 0) {
result = RID;
}
else if (g_ascii_strcasecmp (type, "num") == 0) {
return rspamd_lua_rspamd_version_numeric (L);
}
else if (g_ascii_strcasecmp (type, "cmp") == 0) {
return rspamd_lua_rspamd_version_cmp (L);
}
}
lua_pushstring (L, result);
return 1;
}
static gboolean
rspamd_lua_load_env (lua_State *L, const char *fname, gint tbl_pos, GError **err)
{
gint orig_top = lua_gettop (L), err_idx;
gboolean ret = TRUE;
lua_pushcfunction (L, &rspamd_lua_traceback);
err_idx = lua_gettop (L);
if (luaL_loadfile (L, fname) != 0) {
g_set_error (err, g_quark_from_static_string ("lua_env"), errno,
"cannot load lua file %s: %s",
fname,
lua_tostring (L, -1));
ret = FALSE;
}
if (ret && lua_pcall (L, 0, 1, err_idx) != 0) {
g_set_error (err, g_quark_from_static_string ("lua_env"), errno,
"cannot init lua file %s: %s",
fname,
lua_tostring (L, -1));
ret = FALSE;
}
if (ret && lua_type (L, -1) == LUA_TTABLE) {
for (lua_pushnil (L); lua_next (L, -2); lua_pop (L, 1)) {
lua_pushvalue (L, -2); /* Store key */
lua_pushvalue (L, -2); /* Store value */
lua_settable (L, tbl_pos);
}
}
else if (ret) {
g_set_error (err, g_quark_from_static_string ("lua_env"), errno,
"invalid return type when loading env from %s: %s",
fname,
lua_typename (L, lua_type (L, -1)));
ret = FALSE;
}
lua_settop (L, orig_top);
return ret;
}
gboolean
rspamd_lua_set_env (lua_State *L, GHashTable *vars, char **lua_env, GError **err)
{
gint orig_top = lua_gettop (L);
gchar **env = g_get_environ ();
/* Set known paths as rspamd_paths global */
lua_getglobal (L, "rspamd_paths");
if (lua_isnil (L, -1)) {
const gchar *confdir = RSPAMD_CONFDIR,
*local_confdir = RSPAMD_LOCAL_CONFDIR,
*rundir = RSPAMD_RUNDIR,
*dbdir = RSPAMD_DBDIR,
*logdir = RSPAMD_LOGDIR,
*wwwdir = RSPAMD_WWWDIR,
*pluginsdir = RSPAMD_PLUGINSDIR,
*rulesdir = RSPAMD_RULESDIR,
*lualibdir = RSPAMD_LUALIBDIR,
*prefix = RSPAMD_PREFIX,
*sharedir = RSPAMD_SHAREDIR;
const gchar *t;
/* Try environment */
t = g_environ_getenv (env, "SHAREDIR");
if (t) {
sharedir = t;
}
t = g_environ_getenv (env, "PLUGINSDIR");
if (t) {
pluginsdir = t;
}
t = g_environ_getenv (env, "RULESDIR");
if (t) {
rulesdir = t;
}
t = g_environ_getenv (env, "DBDIR");
if (t) {
dbdir = t;
}
t = g_environ_getenv (env, "RUNDIR");
if (t) {
rundir = t;
}
t = g_environ_getenv (env, "LUALIBDIR");
if (t) {
lualibdir = t;
}
t = g_environ_getenv (env, "LOGDIR");
if (t) {
logdir = t;
}
t = g_environ_getenv (env, "WWWDIR");
if (t) {
wwwdir = t;
}
t = g_environ_getenv (env, "CONFDIR");
if (t) {
confdir = t;
}
t = g_environ_getenv (env, "LOCAL_CONFDIR");
if (t) {
local_confdir = t;
}
if (vars) {
t = g_hash_table_lookup (vars, "SHAREDIR");
if (t) {
sharedir = t;
}
t = g_hash_table_lookup (vars, "PLUGINSDIR");
if (t) {
pluginsdir = t;
}
t = g_hash_table_lookup (vars, "RULESDIR");
if (t) {
rulesdir = t;
}
t = g_hash_table_lookup (vars, "LUALIBDIR");
if (t) {
lualibdir = t;
}
t = g_hash_table_lookup (vars, "RUNDIR");
if (t) {
rundir = t;
}
t = g_hash_table_lookup (vars, "WWWDIR");
if (t) {
wwwdir = t;
}
t = g_hash_table_lookup (vars, "CONFDIR");
if (t) {
confdir = t;
}
t = g_hash_table_lookup (vars, "LOCAL_CONFDIR");
if (t) {
local_confdir = t;
}
t = g_hash_table_lookup (vars, "DBDIR");
if (t) {
dbdir = t;
}
t = g_hash_table_lookup (vars, "LOGDIR");
if (t) {
logdir = t;
}
}
lua_createtable (L, 0, 9);
rspamd_lua_table_set (L, RSPAMD_SHAREDIR_INDEX, sharedir);
rspamd_lua_table_set (L, RSPAMD_CONFDIR_INDEX, confdir);
rspamd_lua_table_set (L, RSPAMD_LOCAL_CONFDIR_INDEX, local_confdir);
rspamd_lua_table_set (L, RSPAMD_RUNDIR_INDEX, rundir);
rspamd_lua_table_set (L, RSPAMD_DBDIR_INDEX, dbdir);
rspamd_lua_table_set (L, RSPAMD_LOGDIR_INDEX, logdir);
rspamd_lua_table_set (L, RSPAMD_WWWDIR_INDEX, wwwdir);
rspamd_lua_table_set (L, RSPAMD_PLUGINSDIR_INDEX, pluginsdir);
rspamd_lua_table_set (L, RSPAMD_RULESDIR_INDEX, rulesdir);
rspamd_lua_table_set (L, RSPAMD_LUALIBDIR_INDEX, lualibdir);
rspamd_lua_table_set (L, RSPAMD_PREFIX_INDEX, prefix);
lua_setglobal (L, "rspamd_paths");
}
lua_getglobal (L, "rspamd_env");
if (lua_isnil (L, -1)) {
lua_newtable (L);
if (vars != NULL) {
GHashTableIter it;
gpointer k, v;
g_hash_table_iter_init (&it, vars);
while (g_hash_table_iter_next (&it, &k, &v)) {
rspamd_lua_table_set (L, k, v);
}
}
gint hostlen = sysconf (_SC_HOST_NAME_MAX);
if (hostlen <= 0) {
hostlen = 256;
}
else {
hostlen ++;
}
gchar *hostbuf = g_alloca (hostlen);
memset (hostbuf, 0, hostlen);
gethostname (hostbuf, hostlen - 1);
rspamd_lua_table_set (L, "hostname", hostbuf);
rspamd_lua_table_set (L, "version", RVERSION);
rspamd_lua_table_set (L, "ver_major", RSPAMD_VERSION_MAJOR);
rspamd_lua_table_set (L, "ver_minor", RSPAMD_VERSION_MINOR);
rspamd_lua_table_set (L, "ver_id", RID);
lua_pushstring (L, "ver_num");
lua_pushinteger (L, RSPAMD_VERSION_NUM);
lua_settable (L, -3);
if (env) {
gint lim = g_strv_length (env);
for (gint i = 0; i < lim; i++) {
if (RSPAMD_LEN_CHECK_STARTS_WITH(env[i], strlen (env[i]), "RSPAMD_")) {
const char *var = env[i] + sizeof ("RSPAMD_") - 1, *value;
gint varlen;
varlen = strcspn (var, "=");
value = var + varlen;
if (*value == '=') {
value ++;
lua_pushlstring (L, var, varlen);
lua_pushstring (L, value);
lua_settable (L, -3);
}
}
}
}
if (lua_env) {
gint lim = g_strv_length (lua_env);
for (gint i = 0; i < lim; i ++) {
if (!rspamd_lua_load_env (L, lua_env[i], lua_gettop (L), err)) {
return FALSE;
}
}
}
lua_setglobal (L, "rspamd_env");
}
lua_settop (L, orig_top);
g_strfreev (env);
return TRUE;
}
void
rspamd_lua_set_globals (struct rspamd_config *cfg, lua_State *L)
{
struct rspamd_config **pcfg;
gint orig_top = lua_gettop (L);
/* First check for global variable 'config' */
lua_getglobal (L, "config");
if (lua_isnil (L, -1)) {
/* Assign global table to set up attributes */
lua_newtable (L);
lua_setglobal (L, "config");
}
lua_getglobal (L, "metrics");
if (lua_isnil (L, -1)) {
lua_newtable (L);
lua_setglobal (L, "metrics");
}
lua_getglobal (L, "composites");
if (lua_isnil (L, -1)) {
lua_newtable (L);
lua_setglobal (L, "composites");
}
lua_getglobal (L, "rspamd_classifiers");
if (lua_isnil (L, -1)) {
lua_newtable (L);
lua_setglobal (L, "rspamd_classifiers");
}
lua_getglobal (L, "classifiers");
if (lua_isnil (L, -1)) {
lua_newtable (L);
lua_setglobal (L, "classifiers");
}
lua_getglobal (L, "rspamd_version");
if (lua_isnil (L, -1)) {
lua_pushcfunction (L, rspamd_lua_rspamd_version);
lua_setglobal (L, "rspamd_version");
}
if (cfg != NULL) {
pcfg = lua_newuserdata (L, sizeof (struct rspamd_config *));
rspamd_lua_setclass (L, "rspamd{config}", -1);
*pcfg = cfg;
lua_setglobal (L, "rspamd_config");
}
lua_settop (L, orig_top);
}
#ifdef WITH_LUA_TRACE
static gint
lua_push_trace_data (lua_State *L)
{
if (lua_traces) {
ucl_object_push_lua (L, lua_traces, true);
}
else {
lua_pushnil (L);
}
return 1;
}
#endif
static void *
rspamd_lua_wipe_realloc (void *ud,
void *ptr,
size_t osize,
size_t nsize) RSPAMD_ATTR_ALLOC_SIZE(4);
static void *
rspamd_lua_wipe_realloc (void *ud,
void *ptr,
size_t osize,
size_t nsize)
{
if (nsize == 0) {
if (ptr) {
rspamd_explicit_memzero (ptr, osize);
}
free (ptr);
}
else if (ptr == NULL) {
return malloc (nsize);
}
else {
if (nsize < osize) {
/* Wipe on shrinking (actually never used) */
rspamd_explicit_memzero (((unsigned char *)ptr) + nsize, osize - nsize);
}
return realloc (ptr, nsize);
}
return NULL;
}
lua_State *
rspamd_lua_init (bool wipe_mem)
{
lua_State *L;
if (wipe_mem) {
#ifdef WITH_LUAJIT
/* TODO: broken on luajit without GC64 */
L = luaL_newstate ();
#else
L = lua_newstate (rspamd_lua_wipe_realloc, NULL);
#endif
}
else {
L = luaL_newstate ();
}
lua_gc (L, LUA_GCSTOP, 0);
luaL_openlibs (L);
luaopen_logger (L);
luaopen_mempool (L);
luaopen_config (L);
luaopen_map (L);
luaopen_trie (L);
luaopen_task (L);
luaopen_textpart (L);
luaopen_mimepart (L);
luaopen_image (L);
luaopen_url (L);
luaopen_classifier (L);
luaopen_statfile (L);
luaopen_regexp (L);
luaopen_cdb (L);
luaopen_xmlrpc (L);
luaopen_http (L);
luaopen_redis (L);
luaopen_upstream (L);
lua_add_actions_global (L);
luaopen_dns_resolver (L);
luaopen_rsa (L);
luaopen_ip (L);
luaopen_expression (L);
luaopen_text (L);
luaopen_util (L);
luaopen_tcp (L);
luaopen_html (L);
luaopen_fann (L);
luaopen_sqlite3 (L);
luaopen_cryptobox (L);
luaopen_dns (L);
luaopen_udp (L);
luaopen_worker (L);
luaL_newmetatable (L, "rspamd{ev_base}");
lua_pushstring (L, "class");
lua_pushstring (L, "rspamd{ev_base}");
lua_rawset (L, -3);
lua_pop (L, 1);
luaL_newmetatable (L, "rspamd{session}");
lua_pushstring (L, "class");
lua_pushstring (L, "rspamd{session}");
lua_rawset (L, -3);
lua_pop (L, 1);
rspamd_lua_add_preload (L, "lpeg", luaopen_lpeg);
luaopen_ucl (L);
rspamd_lua_add_preload (L, "ucl", luaopen_ucl);
/* Add plugins global */
lua_newtable (L);
lua_setglobal (L, "rspamd_plugins");
/* Set PRNG */
lua_getglobal (L, "math");
lua_pushstring (L, "randomseed");
lua_gettable (L, -2);
lua_pushinteger (L, ottery_rand_uint64 ());
lua_pcall (L, 1, 0, 0);
lua_pop (L, 1); /* math table */
/* Modules state */
lua_newtable (L);
/*
* rspamd_plugins_state = {
* enabled = {},
* disabled_unconfigured = {},
* disabled_redis = {},
* disabled_explicitly = {},
* disabled_failed = {},
* disabled_experimental = {},
* }
*/
#define ADD_TABLE(name) do { \
lua_pushstring (L, #name); \
lua_newtable (L); \
lua_settable (L, -3); \
} while (0)
ADD_TABLE (enabled);
ADD_TABLE (disabled_unconfigured);
ADD_TABLE (disabled_redis);
ADD_TABLE (disabled_explicitly);
ADD_TABLE (disabled_failed);
ADD_TABLE (disabled_experimental);
#undef ADD_TABLE
lua_setglobal (L, rspamd_modules_state_global);
#ifdef WITH_LUA_TRACE
lua_pushcfunction (L, lua_push_trace_data);
lua_setglobal (L, "get_traces");
#endif
return L;
}
void
rspamd_lua_start_gc (struct rspamd_config *cfg)
{
lua_State *L = (lua_State *)cfg->lua_state;
lua_settop (L, 0);
/* Set up GC */
lua_gc (L, LUA_GCCOLLECT, 0);
lua_gc (L, LUA_GCSETSTEPMUL, cfg->lua_gc_step);
lua_gc (L, LUA_GCSETPAUSE, cfg->lua_gc_pause);
lua_gc (L, LUA_GCRESTART, 0);
}
/**
* Initialize new locked lua_State structure
*/
struct lua_locked_state *