working on lua module

This commit is contained in:
Aaron Blakely 2024-02-25 11:09:24 -06:00
parent aa5cfa756f
commit 97713e6c29
8 changed files with 166 additions and 1 deletions

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@ -38,8 +38,10 @@ void init_mods();
void load_module(struct irc_conn *bot, char *where, char *stype, char *file);
void unload_module(struct irc_conn *bot, char *where, char *file);
void list_modules(struct irc_conn *bot, char *where);
void set_bot(struct irc_conn *b);
MY_API void register_module(char *name, char *author, char *version, char *description);
MY_API void unregister_module(char *name);
MY_API struct mods *get_mods();
MY_API struct irc_conn *get_bot();
#endif

7
mods/lua/Makefile Executable file
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@ -0,0 +1,7 @@
CC=gcc
CFLAGS=-fPIC -I../../lib -llua
OBJ=../lua.so
main:
$(CC) -shared -o $(OBJ) $(CFLAGS) ./lua.c
@echo "All Done!"

99
mods/lua/lua.c Executable file
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@ -0,0 +1,99 @@
#define MY_DLL_EXPORTS 1
#include "util.h"
#include "irc.h"
#include "events.h"
#include "module.h"
#include "timers.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lua.h"
struct lua_interp lua;
struct irc_conn *instance;
MY_API void lua_eval(struct irc_conn *bot, char *user, char *host, char *chan, const char *text)
{
printf("lua eval called with %s\n", text);
if (strstr(text, "!lua") != NULL)
{
// skip the command
text = skip(text, ' ');
printf("lua: %s\n", text);
if (luaL_dostring(lua.L, text))
{
irc_privmsg(bot, chan, "Error: %s", lua_tostring(lua.L, -1));
}
}
}
MY_API void lua_load_script(struct irc_conn *bot, char *user, char *host, char *chan, const char *text)
{
char *name;
char *script;
char *buf = (char *)malloc(sizeof(char *) * 500);
if (strstr(text, "!load") != NULL)
{
text = skip((char *)text, ' ');
sprintf(buf, "../scripts/%s", text);
strlcpy(lua.scripts[lua.count].fname, buf, 150);
if (luaL_loadfile(lua.L, buf))
{
irc_privmsg(bot, chan, "Error: %s", lua_tostring(lua.L, -1));
return;
}
sprintf(buf, "Loaded %s", name);
irc_privmsg(bot, chan, buf);
}
free(buf);
}
void raw_wrapper(lua_State *L)
{
char *text = (char *)lua_tostring(L, 1);
irc_raw(instance, text);
}
void privmsg_wrapper(lua_State *L)
{
char *where = (char *)lua_tostring(L, 1);
char *text = (char *)lua_tostring(L, 2);
irc_privmsg(instance, where, text);
}
MY_API void mod_init()
{
instance = get_bot();
lua.scripts = calloc(512, sizeof(struct lua_script));
lua.count = 0;
lua.L = luaL_newstate();
luaL_openlibs(lua.L);
lua_register(lua.L, "privmsg", privmsg_wrapper);
lua_register(lua.L, "raw", raw_wrapper);
register_module("lua", "Aaron Blakely", "v0.1", "Lua module");
add_handler(PRIVMSG_CHAN, lua_eval);
printf("Lua module loaded\n");
}
MY_API void mod_unload()
{
lua_close(lua.L);
unregister_module("lua");
del_handler(PRIVMSG_CHAN, lua_eval);
printf("Lua module unloaded\n");
}

28
mods/lua/lua.h Executable file
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@ -0,0 +1,28 @@
#ifndef LUA_H
#define LUA_H
#include <lua5.3/lua.h>
#include <lua5.3/lauxlib.h>
#include <lua5.3/lualib.h>
#include "irc.h"
struct lua_script
{
char name[25];
char author[50];
char version[10];
char description[256];
char fname[256];
};
struct lua_interp
{
lua_State *L;
int count;
struct lua_script *scripts;
};
extern struct lua_interp lua;
#endif

17
scripts/hello.lua Executable file
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@ -0,0 +1,17 @@
NAME = "hello"
VERSION = "v0.5"
AUTHOR = "Aaron Blakely"
DESCRIPTION = "A simple hello world script for xbot"
function hi(nick, host, chan, text)
irc_privmsg(chan, "Hello, " .. nick .. "!")
end
function load()
add_lua_handler("PRIVMSG_CHAN", hi)
end
function unload()
remove_lua_handler("PRIVMSG_CHAN", hi)
end

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@ -42,6 +42,7 @@ int main()
last_ping.tv_sec = time(NULL);
set_bot(&bot);
init_events();
init_timers();
init_mods();

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@ -13,6 +13,7 @@
#endif
struct mods *mods;
struct irc_conn *instance;
void init_mods()
{
@ -304,3 +305,13 @@ MY_API struct mods *get_mods()
{
return mods;
}
MY_API struct irc_conn *get_bot()
{
return instance;
}
MY_API void set_bot(struct irc_conn *b)
{
instance = b;
}

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@ -16,7 +16,7 @@ server:
mods:
{
autoload = ("chanop", "autojoin", "hello", "uptime");
autoload = ("chanop", "lua", "autojoin", "hello", "uptime");
blacklist = ();
# config option for mods/autojoin.so