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#ifndef RSPAMD_LUA_H
#define RSPAMD_LUA_H
#include "config.h"
#ifdef WITH_LUA
#include "main.h"
#include "cfg_file.h"
#include "ucl.h"
#include "lua_ucl.h"
#include <lua.h>
#include <lauxlib.h>
#include <lualib.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
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 lua_newclass (lua_State *L, const gchar *classname, const struct luaL_reg *methods);
/**
* Create and register new class with static methods
*/
void lua_newclass_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 lua_setclass (lua_State *L, const gchar *classname, gint objidx);
/**
* Set index of table to value (like t['index'] = value)
*/
void lua_set_table_index (lua_State *L, const gchar *index, const gchar *value);
/**
* Get string value of index in a table (return t['index'])
*/
const gchar * lua_get_table_index_str (lua_State *L, const gchar *index);
/**
* Convert classname to string
*/
gint lua_class_tostring (lua_State *L);
/**
* Check whether the argument at specified index is of the specified class
*/
gpointer lua_check_class (lua_State *L, gint index, const gchar *name);
/**
* Initialize lua and bindings
*/
lua_State* init_lua (struct rspamd_config *cfg);
/**
* Load and initialize lua plugins
*/
gboolean init_lua_filters (struct rspamd_config *cfg);
/**
* Initialize new locked lua_State structure
*/
struct lua_locked_state* init_lua_locked (struct rspamd_config *cfg);
/**
* Free locked state structure
*/
void free_lua_locked (struct lua_locked_state *st);
/**
* Push lua ip address
*/
void 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 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
*/
gint luaopen_message (lua_State *L);
gint luaopen_task (lua_State *L);
gint luaopen_config (lua_State *L);
gint luaopen_metric (lua_State *L);
gint luaopen_radix (lua_State *L);
gint luaopen_hash_table (lua_State *L);
gint luaopen_trie (lua_State * L);
gint luaopen_textpart (lua_State *L);
gint luaopen_mimepart (lua_State *L);
gint luaopen_image (lua_State *L);
gint luaopen_url (lua_State *L);
gint luaopen_classifier (lua_State *L);
gint luaopen_statfile (lua_State * L);
gint luaopen_glib_regexp (lua_State *L);
gint luaopen_cdb (lua_State *L);
gint luaopen_xmlrpc (lua_State * L);
gint luaopen_http (lua_State * L);
gint luaopen_redis (lua_State * L);
gint luaopen_upstream (lua_State * L);
gint luaopen_mempool (lua_State * L);
gint luaopen_session (lua_State * L);
gint luaopen_io_dispatcher (lua_State * L);
gint luaopen_dns_resolver (lua_State * L);
gint luaopen_rsa (lua_State * L);
gint luaopen_ip (lua_State * L);
gint lua_call_filter (const gchar *function, struct rspamd_task *task);
gint lua_call_chain_filter (const gchar *function, struct rspamd_task *task, gint *marks, guint number);
double lua_consolidation_func (struct rspamd_task *task, const gchar *metric_name, const gchar *function_name);
gboolean lua_call_expression_func (gpointer lua_data, struct rspamd_task *task, GList *args, gboolean *res);
void lua_call_post_filters (struct rspamd_task *task);
void lua_call_pre_filters (struct rspamd_task *task);
void add_luabuf (const gchar *line);
/* Classify functions */
GList *call_classifier_pre_callbacks (struct rspamd_classifier_config *ccf, struct rspamd_task *task, gboolean is_learn, gboolean is_spam, lua_State *L);
double call_classifier_post_callbacks (struct rspamd_classifier_config *ccf, struct rspamd_task *task, double in, lua_State *L);
double lua_normalizer_func (struct rspamd_config *cfg, long double score, void *params);
/* Config file functions */
void lua_post_load_config (struct rspamd_config *cfg);
void lua_process_element (struct rspamd_config *cfg, const gchar *name,
const gchar *module_name, struct rspamd_module_opt *opt, gint idx, gboolean allow_meta);
gboolean lua_handle_param (struct rspamd_task *task, gchar *mname, gchar *optname,
enum lua_var_type expected_type, gpointer *res);
gboolean lua_check_condition (struct rspamd_config *cfg, const gchar *condition);
void lua_dumpstack (lua_State *L);
struct memory_pool_s *lua_check_mempool (lua_State * L);
#endif /* WITH_LUA */
#endif /* RSPAMD_LUA_H */
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