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#ifndef RSPAMD_LUA_H
#define RSPAMD_LUA_H
#include "config.h"
#ifdef WITH_LUA
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
#include "main.h"
#include "ucl.h"
#include "lua_ucl.h"
#ifndef lua_open
#define lua_open() luaL_newstate ()
#endif
#ifndef luaL_reg
#define luaL_reg luaL_Reg
#endif
#define LUA_ENUM(L, name, val) \
lua_pushlstring (L, # name, sizeof(# name) - 1); \
lua_pushnumber (L, val); \
lua_settable (L, -3);
#if LUA_VERSION_NUM > 501 && !defined LUA_COMPAT_MODULE
static inline void
luaL_register (lua_State *L, const gchar *name, const struct luaL_reg *methods)
{
if (name != NULL) {
lua_newtable (L);
}
luaL_setfuncs (L, methods, 0);
if (name != NULL) {
lua_pushvalue (L, -1);
lua_setglobal (L, name);
}
}
#endif
/* Interface definitions */
#define LUA_FUNCTION_DEF(class, name) static gint lua_ ## class ## _ ## name ( \
lua_State * L)
#define LUA_INTERFACE_DEF(class, name) { # name, lua_ ## class ## _ ## name }
extern const luaL_reg null_reg[];
#define RSPAMD_LUA_API_VERSION 12
/* Locked lua state with mutex */
struct lua_locked_state {
lua_State *L;
rspamd_mutex_t *m;
};
/* Common utility functions */
/**
* Create and register new class
*/
void rspamd_lua_new_class (lua_State *L,
const gchar *classname,
const struct luaL_reg *methods);
/**
* Create and register new class with static methods
*/
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);
/**
* Set class name for object at @param objidx position
*/
void rspamd_lua_setclass (lua_State *L, const gchar *classname, gint objidx);
/**
* Set index of table to value (like t['index'] = value)
*/
void rspamd_lua_table_set (lua_State *L, const gchar *index, const gchar *value);
/**
* Get string value of index in a table (return t['index'])
*/
const gchar * rspamd_lua_table_get (lua_State *L, const gchar *index);
/**
* Convert classname to string
*/
gint rspamd_lua_class_tostring (lua_State *L);
/**
* Check whether the argument at specified index is of the specified class
*/
gpointer rspamd_lua_check_class (lua_State *L, gint index, const gchar *name);
/**
* Initialize lua and bindings
*/
lua_State * rspamd_lua_init (struct rspamd_config *cfg);
/**
* Load and initialize lua plugins
*/
gboolean rspamd_init_lua_filters (struct rspamd_config *cfg);
/**
* Initialize new locked lua_State structure
*/
struct lua_locked_state * rspamd_init_lua_locked (struct rspamd_config *cfg);
/**
* Free locked state structure
*/
void rspamd_free_lua_locked (struct lua_locked_state *st);
/**
* Push lua ip address
*/
void rspamd_lua_ip_push (lua_State *L, rspamd_inet_addr_t *addr);
/**
* Push ip address from a string (nil is pushed if a string cannot be converted)
*/
void rspamd_lua_ip_push_fromstring (lua_State *L, const gchar *ip_str);
/**
* Create type error
*/
int rspamd_lua_typerror (lua_State *L, int narg, const char *tname);
/**
* Lua IP address structure
*/
struct rspamd_lua_ip {
rspamd_inet_addr_t addr;
gboolean is_valid;
};
/**
* Open libraries functions
*/
/**
* Add preload function
*/
void rspamd_lua_add_preload (lua_State *L, const gchar *name, lua_CFunction func);
void luaopen_task (lua_State *L);
void luaopen_config (lua_State *L);
void luaopen_metric (lua_State *L);
void luaopen_radix (lua_State *L);
void luaopen_hash_table (lua_State *L);
void luaopen_trie (lua_State * L);
void luaopen_textpart (lua_State *L);
void luaopen_mimepart (lua_State *L);
void luaopen_image (lua_State *L);
void luaopen_url (lua_State *L);
void luaopen_classifier (lua_State *L);
void luaopen_statfile (lua_State * L);
void luaopen_glib_regexp (lua_State *L);
void luaopen_cdb (lua_State *L);
void luaopen_xmlrpc (lua_State * L);
void luaopen_http (lua_State * L);
void luaopen_redis (lua_State * L);
void luaopen_upstream (lua_State * L);
void luaopen_mempool (lua_State * L);
void luaopen_session (lua_State * L);
void luaopen_io_dispatcher (lua_State * L);
void luaopen_dns_resolver (lua_State * L);
void luaopen_rsa (lua_State * L);
void luaopen_ip (lua_State * L);
gint rspamd_lua_call_filter (const gchar *function, struct rspamd_task *task);
gint rspamd_lua_call_chain_filter (const gchar *function,
struct rspamd_task *task,
gint *marks,
guint number);
double rspamd_lua_consolidation_func (struct rspamd_task *task,
const gchar *metric_name,
const gchar *function_name);
void rspamd_lua_call_post_filters (struct rspamd_task *task);
void rspamd_lua_call_pre_filters (struct rspamd_task *task);
void rspamd_lua_dostring (const gchar *line);
/* Classify functions */
GList * rspamd_lua_call_cls_pre_callbacks (struct rspamd_classifier_config *ccf,
struct rspamd_task *task,
gboolean is_learn,
gboolean is_spam,
lua_State *L);
double rspamd_lua_call_cls_post_callbacks (struct rspamd_classifier_config *ccf,
struct rspamd_task *task,
double in,
lua_State *L);
double rspamd_lua_normalize (struct rspamd_config *cfg,
long double score,
void *params);
/* Config file functions */
void rspamd_lua_post_load_config (struct rspamd_config *cfg);
void rspamd_lua_process_elt (struct rspamd_config *cfg,
const gchar *name,
const gchar *module_name,
struct rspamd_module_opt *opt,
gint idx,
gboolean allow_meta);
gboolean rspamd_lua_handle_param (struct rspamd_task *task,
gchar *mname,
gchar *optname,
enum lua_var_type expected_type,
gpointer *res);
gboolean rspamd_lua_check_condition (struct rspamd_config *cfg,
const gchar *condition);
void rspamd_lua_dumpstack (lua_State *L);
/* Set lua path according to the configuration */
void rspamd_lua_set_path (lua_State *L, struct rspamd_config *cfg);
struct memory_pool_s * rspamd_lua_check_mempool (lua_State * L);
#endif /* WITH_LUA */
#endif /* RSPAMD_LUA_H */
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