lua/luabot.c

   1 /* Copyright (C) Chris Porter 2005 */
   2 /* ALL RIGHTS RESERVED. */
   3 /* Don't put this into the SVN repo. */
   4
   5 #include "../localuser/localuser.h"
   6 #include "../localuser/localuserchannel.h"
   7 #include "../core/schedule.h"
   8 #include "../lib/irc_string.h"
   9
  10 #include "lua.h"
  11 #include "luabot.h"
  12
  13 #include <stdarg.h>
  14
  15 nick *lua_nick = NULL;
  16 void *myureconnect = NULL, *myublip = NULL, *myutick = NULL;
  17
  18 void lua_bothandler(nick *target, int type, void **args);
  19
  20 void lua_onnewnick(int hooknum, void *arg);
  21 void lua_blip(void *arg);
  22 void lua_tick(void *arg);
  23 void lua_onkick(int hooknum, void *arg);
  24 void lua_ontopic(int hooknum, void *arg);
  25 void lua_onauth(int hooknum, void *arg);
  26 void lua_ondisconnect(int hooknum, void *arg);
  27 void lua_onmode(int hooknum, void *arg);
  28 void lua_onop(int hooknum, void *arg);
  29 void lua_onquit(int hooknum, void *arg);
  30 void lua_onrename(int hooknum, void *arg);
  31 void lua_onconnect(int hooknum, void *arg);
  32 void lua_onjoin(int hooknum, void *arg);
  33 void lua_onpart(int hooknum, void *arg);
  34
  35 void lua_registerevents(void) {
  36   registerhook(HOOK_NICK_NEWNICK, &lua_onnewnick);
  37   registerhook(HOOK_IRC_DISCON, &lua_ondisconnect);
  38   registerhook(HOOK_IRC_PRE_DISCON, &lua_ondisconnect);
  39   registerhook(HOOK_NICK_ACCOUNT, &lua_onauth);
  40   registerhook(HOOK_CHANNEL_TOPIC, &lua_ontopic);
  41   registerhook(HOOK_CHANNEL_KICK, &lua_onkick);
  42   registerhook(HOOK_CHANNEL_OPPED, &lua_onop);
  43   registerhook(HOOK_CHANNEL_DEOPPED, &lua_onop);
  44   registerhook(HOOK_NICK_LOSTNICK, &lua_onquit);
  45   registerhook(HOOK_NICK_RENAME, &lua_onrename);
  46   registerhook(HOOK_IRC_CONNECTED, &lua_onconnect);
  47   registerhook(HOOK_SERVER_END_OF_BURST, &lua_onconnect);
  48   registerhook(HOOK_CHANNEL_JOIN, &lua_onjoin);
  49   registerhook(HOOK_CHANNEL_PART, &lua_onpart);
  50   registerhook(HOOK_CHANNEL_CREATE, &lua_onjoin);
  51 }
  52
  53 void lua_deregisterevents(void) {
  54   deregisterhook(HOOK_CHANNEL_PART, &lua_onpart);
  55   deregisterhook(HOOK_CHANNEL_CREATE, &lua_onjoin);
  56   deregisterhook(HOOK_CHANNEL_JOIN, &lua_onjoin);
  57   deregisterhook(HOOK_SERVER_END_OF_BURST, &lua_onconnect);
  58   deregisterhook(HOOK_IRC_CONNECTED, &lua_onconnect);
  59   deregisterhook(HOOK_NICK_RENAME, &lua_onrename);
  60   deregisterhook(HOOK_NICK_LOSTNICK, &lua_onquit);
  61   deregisterhook(HOOK_CHANNEL_DEOPPED, &lua_onop);
  62   deregisterhook(HOOK_CHANNEL_OPPED, &lua_onop);
  63   deregisterhook(HOOK_CHANNEL_KICK, &lua_onkick);
  64   deregisterhook(HOOK_CHANNEL_TOPIC, &lua_ontopic);
  65   deregisterhook(HOOK_NICK_ACCOUNT, &lua_onauth);
  66   deregisterhook(HOOK_IRC_PRE_DISCON, &lua_ondisconnect);
  67   deregisterhook(HOOK_IRC_DISCON, &lua_ondisconnect);
  68   deregisterhook(HOOK_NICK_NEWNICK, &lua_onnewnick);
  69 }
  70
  71 void lua_startbot(void *arg) {
  72   channel *cp;
  73
  74   myureconnect = NULL;
  75
  76   lua_nick = registerlocaluser("U", "lua", "quakenet.department.of.corrections", LUA_FULLVERSION, "U", UMODE_ACCOUNT | UMODE_DEAF | UMODE_OPER | UMODE_SERVICE, &lua_bothandler);
  77   if(!lua_nick) {
  78     myureconnect = scheduleoneshot(time(NULL) + 1, &lua_startbot, NULL);
  79     return;
  80   }
  81
  82   cp = findchannel(LUA_OPERCHAN);
  83   if(cp && localjoinchannel(lua_nick, cp)) {
  84     localgetops(lua_nick, cp);
  85   } else {
  86     localcreatechannel(lua_nick, LUA_OPERCHAN);
  87   }
  88
  89   cp = findchannel(LUA_PUKECHAN);
  90   if(cp && localjoinchannel(lua_nick, cp)) {
  91     localgetops(lua_nick, cp);
  92   } else {
  93     localcreatechannel(lua_nick, LUA_PUKECHAN);
  94   }
  95
  96   myublip = schedulerecurring(time(NULL) + 1, 0, 60, &lua_blip, NULL);
  97   myutick = schedulerecurring(time(NULL) + 1, 0, 1, &lua_tick, NULL);
  98
  99   lua_registerevents();
 100 }
 101
 102 void lua_destroybot(void) {
 103   if(myutick)
 104     deleteschedule(myutick, &lua_tick, NULL);
 105
 106   if(myublip)
 107     deleteschedule(myublip, &lua_blip, NULL);
 108
 109   lua_deregisterevents();
 110
 111   if (myureconnect)
 112     deleteschedule(myureconnect, &lua_startbot, NULL);
 113
 114   if(lua_nick)
 115     deregisterlocaluser(lua_nick, NULL);
 116 }
 117
 118 int _lua_vpcall(lua_State *l, void *function, int mode, const char *sig, ...) {
 119   va_list va;
 120   int narg = 0, nres, top = lua_gettop(l);
 121
 122   lua_getglobal(l, "scripterror");
 123   if(mode == LUA_CHARMODE) {
 124     lua_getglobal(l, (const char *)function);
 125   } else {
 126     lua_rawgeti(l, LUA_REGISTRYINDEX, (int)function);
 127   }
 128
 129   if(!lua_isfunction(l, -1)) {
 130     lua_settop(l, top);
 131     return 1;
 132   }
 133
 134   va_start(va, sig);
 135
 136   while(*sig) {
 137     switch(*sig++) {
 138       case 'i':
 139         lua_pushint(l, va_arg(va, int));
 140         break;
 141       case 'l':
 142         lua_pushlong(l, va_arg(va, long));
 143         break;
 144       case 's':
 145         lua_pushstring(l, va_arg(va, char *));
 146         break;
 147       case 'S':
 148         lua_pushstring(l, ((sstring *)(va_arg(va, sstring *)))->content);
 149         break;
 150       case 'N':
 151         {
 152           nick *np = va_arg(va, nick *);
 153           LUA_PUSHNICK(l, np);
 154           break;
 155         }
 156       case 'C':
 157         {
 158           channel *cp = va_arg(va, channel *);
 159           LUA_PUSHCHAN(l, cp);
 160           break;
 161         }
 162       case '0':
 163         lua_pushnil(l);
 164         break;
 165       case '>':
 166         goto endwhile;
 167
 168       default:
 169         Error("lua", ERR_ERROR, "Unable to parse vpcall signature (%c)", *(sig - 1));
 170     }
 171     narg++;
 172   }
 173
 174 endwhile:
 175
 176   nres = strlen(sig);
 177
 178   lua_debugpcall(l, function, narg, nres, 0);
 179
 180   nres = -nres;
 181   while(*sig) {
 182     switch(*sig++) {
 183       default:
 184         Error("lua", ERR_ERROR, "Unable to parse vpcall return structure (%c)", *(sig - 1));
 185     }
 186     nres++;
 187   }
 188
 189   lua_settop(l, top);
 190   va_end(va);
 191   return 0;
 192 }
 193
 194 void lua_bothandler(nick *target, int type, void **args) {
 195   nick *np;
 196   char *p;
 197   int le;
 198
 199   switch(type) {
 200     case LU_PRIVMSG:
 201       np = (nick *)args[0];
 202       p = (char *)args[1];
 203
 204       if(!np || !p)
 205         return;
 206
 207       lua_avpcall("irc_onmsg", "Ns", np, p);
 208
 209       break;
 210     case LU_PRIVNOTICE:
 211       np = (nick *)args[0];
 212       p = (char *)args[1];
 213
 214       if(!np || !p)
 215         return;
 216
 217       le = strlen(p);
 218       if((le > 1) && (p[0] == '\001')) {
 219         if(p[le - 1] == '\001')
 220           p[le - 1] = '\000';
 221
 222         lua_avpcall("irc_onctcp", "Ns", np, p + 1);
 223
 224       }
 225
 226       break;
 227
 228     case LU_KILLED:
 229       if(myublip) {
 230         myublip = NULL;
 231         deleteschedule(myublip, &lua_blip, NULL);
 232       }
 233
 234       if(myutick) {
 235         myutick = NULL;
 236         deleteschedule(myutick, &lua_tick, NULL);
 237       }
 238
 239       lua_nick = NULL;
 240       myureconnect = scheduleoneshot(time(NULL) + 1, &lua_startbot, NULL);
 241
 242       break;
 243   }
 244 }
 245
 246 void lua_blip(void *arg) {
 247   lua_avpcall("onblip", "");
 248 }
 249
 250 void lua_tick(void *arg) {
 251   lua_avpcall("ontick", "");
 252 }
 253
 254 void lua_onnewnick(int hooknum, void *arg) {
 255   nick *np = (nick *)arg;
 256
 257   if(!np)
 258     return;
 259
 260   lua_avpcall("irc_onnewnick", "N", np);
 261 }
 262
 263 void lua_onkick(int hooknum, void *arg) {
 264   void **arglist = (void **)arg;
 265   chanindex *ci = ((channel *)arglist[0])->index;
 266   nick *kicked = arglist[1];
 267   nick *kicker = arglist[2];
 268   char *message = (char *)arglist[3];
 269
 270   if(!kicker || IsOper(kicker) || IsService(kicker) || IsXOper(kicker)) /* bloody Cruicky */
 271     return;
 272
 273   lua_avpcall("irc_onkick", "SNNs", ci->name, kicked, kicker, message);
 274 }
 275
 276 void lua_ontopic(int hooknum, void *arg) {
 277   void **arglist = (void **)arg;
 278   channel *cp=(channel*)arglist[0];
 279   nick *np = (nick *)arglist[1];
 280
 281   if(!np || IsOper(np) || IsService(np) || IsXOper(np))
 282     return;
 283   if(!cp || !cp->topic)
 284     return;
 285
 286   lua_avpcall("irc_ontopic", "SNS", cp->index->name, np, cp->topic);
 287 }
 288
 289 void lua_onop(int hooknum, void *arg) {
 290   void **arglist = (void **)arg;
 291   chanindex *ci = ((channel *)arglist[0])->index;
 292   nick *np = arglist[1];
 293   nick *target = arglist[2];
 294
 295   if(!target)
 296     return;
 297
 298   if(np) {
 299     lua_avpcall(hooknum == HOOK_CHANNEL_OPPED?"irc_onop":"irc_ondeop", "SNN", ci->name, np, target);
 300   } else {
 301     lua_avpcall(hooknum == HOOK_CHANNEL_OPPED?"irc_onop":"irc_ondeop", "S0N", ci->name, target);
 302   }
 303 }
 304
 305 void lua_onjoin(int hooknum, void *arg) {
 306   void **arglist = (void **)arg;
 307   chanindex *ci = ((channel *)arglist[0])->index;
 308   nick *np = arglist[1];
 309
 310   if(!ci || !np)
 311     return;
 312
 313   lua_avpcall("irc_onjoin", "SN", ci->name, np);
 314 }
 315
 316 void lua_onpart(int hooknum, void *arg) {
 317   void **arglist = (void **)arg;
 318   chanindex *ci = ((channel *)arglist[0])->index;
 319   nick *np = arglist[1];
 320
 321   if(!ci || !np)
 322     return;
 323
 324   lua_avpcall("irc_onpart", "SN", ci->name, np);
 325 }
 326
 327 void lua_onrename(int hooknum, void *arg) {
 328   nick *np = (void *)arg;
 329
 330   if(!np)
 331     return;
 332
 333   lua_avpcall("irc_onrename", "N", np);
 334 }
 335
 336 void lua_onquit(int hooknum, void *arg) {
 337   nick *np = (nick *)arg;
 338
 339   if(!np)
 340     return;
 341
 342   lua_avpcall("irc_onquit", "N", np);
 343 }
 344
 345 void lua_onauth(int hooknum, void *arg) {
 346   nick *np = (nick *)arg;
 347
 348   if(!np)
 349     return;
 350
 351   lua_avpcall("irc_onauth", "N", np);
 352 }
 353
 354 void lua_ondisconnect(int hooknum, void *arg) {
 355   lua_avpcall(hooknum == HOOK_IRC_DISCON?"irc_ondisconnect":"irc_onpredisconnect", "");
 356 }
 357
 358 void lua_onconnect(int hooknum, void *arg) {
 359   lua_avpcall(hooknum == HOOK_IRC_CONNECTED?"irc_onconnect":"irc_onendofburst", "");
 360 }
 361
 362 void lua_onload(lua_State *l) {
 363   lua_vpcall(l, "onload", "");
 364 }
 365
 366 void lua_onunload(lua_State *l) {
 367   lua_vpcall(l, "onunload", "");
 368 }
 369
 370 int lua_channelmessage(channel *cp, char *message, ...) {
 371   char buf[512];
 372   va_list va;
 373
 374   va_start(va, message);
 375   vsnprintf(buf, sizeof(buf), message, va);
 376   va_end(va);
 377
 378   sendmessagetochannel(lua_nick, cp, "%s", buf);
 379
 380   return 0;
 381 }
 382
 383 int lua_message(nick *np, char *message, ...) {
 384   char buf[512];
 385   va_list va;
 386
 387   va_start(va, message);
 388   vsnprintf(buf, sizeof(buf), message, va);
 389   va_end(va);
 390
 391   sendmessagetouser(lua_nick, np, "%s", buf);
 392
 393   return 0;
 394 }
 395
 396 int lua_notice(nick *np, char *message, ...) {
 397   char buf[512];
 398   va_list va;
 399
 400   va_start(va, message);
 401   vsnprintf(buf, sizeof(buf), message, va);
 402   va_end(va);
 403
 404   sendnoticetouser(lua_nick, np, "%s", buf);
 405
 406   return 0;
 407 }