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_CHANNEL_MODECHANGE, &lua_onmode);
  37   registerhook(HOOK_NICK_NEWNICK, &lua_onnewnick);
  38   registerhook(HOOK_IRC_DISCON, &lua_ondisconnect);
  39   registerhook(HOOK_IRC_PRE_DISCON, &lua_ondisconnect);
  40   registerhook(HOOK_NICK_ACCOUNT, &lua_onauth);
  41   registerhook(HOOK_CHANNEL_TOPIC, &lua_ontopic);
  42   registerhook(HOOK_CHANNEL_KICK, &lua_onkick);
  43   registerhook(HOOK_CHANNEL_OPPED, &lua_onop);
  44   registerhook(HOOK_CHANNEL_DEOPPED, &lua_onop);
  45   registerhook(HOOK_NICK_LOSTNICK, &lua_onquit);
  46   registerhook(HOOK_NICK_RENAME, &lua_onrename);
  47   registerhook(HOOK_IRC_CONNECTED, &lua_onconnect);
  48   registerhook(HOOK_SERVER_END_OF_BURST, &lua_onconnect);
  49   registerhook(HOOK_CHANNEL_JOIN, &lua_onjoin);
  50   registerhook(HOOK_CHANNEL_PART, &lua_onpart);
  51   registerhook(HOOK_CHANNEL_CREATE, &lua_onjoin);
  52 }
  53
  54 void lua_deregisterevents(void) {
  55   deregisterhook(HOOK_CHANNEL_PART, &lua_onpart);
  56   deregisterhook(HOOK_CHANNEL_CREATE, &lua_onjoin);
  57   deregisterhook(HOOK_CHANNEL_JOIN, &lua_onjoin);
  58   deregisterhook(HOOK_SERVER_END_OF_BURST, &lua_onconnect);
  59   deregisterhook(HOOK_IRC_CONNECTED, &lua_onconnect);
  60   deregisterhook(HOOK_NICK_RENAME, &lua_onrename);
  61   deregisterhook(HOOK_NICK_LOSTNICK, &lua_onquit);
  62   deregisterhook(HOOK_CHANNEL_DEOPPED, &lua_onop);
  63   deregisterhook(HOOK_CHANNEL_OPPED, &lua_onop);
  64   deregisterhook(HOOK_CHANNEL_KICK, &lua_onkick);
  65   deregisterhook(HOOK_CHANNEL_TOPIC, &lua_ontopic);
  66   deregisterhook(HOOK_NICK_ACCOUNT, &lua_onauth);
  67   deregisterhook(HOOK_IRC_PRE_DISCON, &lua_ondisconnect);
  68   deregisterhook(HOOK_IRC_DISCON, &lua_ondisconnect);
  69   deregisterhook(HOOK_NICK_NEWNICK, &lua_onnewnick);
  70   deregisterhook(HOOK_CHANNEL_MODECHANGE, &lua_onmode);
  71 }
  72
  73 void lua_startbot(void *arg) {
  74   channel *cp;
  75
  76   myureconnect = NULL;
  77
  78   lua_nick = registerlocaluser("U", "lua", "quakenet.department.of.corrections", LUA_FULLVERSION, "U", UMODE_ACCOUNT | UMODE_DEAF | UMODE_OPER | UMODE_SERVICE, &lua_bothandler);
  79   if(!lua_nick) {
  80     myureconnect = scheduleoneshot(time(NULL) + 1, &lua_startbot, NULL);
  81     return;
  82   }
  83
  84   cp = findchannel(LUA_OPERCHAN);
  85   if(cp && localjoinchannel(lua_nick, cp)) {
  86     localgetops(lua_nick, cp);
  87   } else {
  88     localcreatechannel(lua_nick, LUA_OPERCHAN);
  89   }
  90
  91   cp = findchannel(LUA_PUKECHAN);
  92   if(cp && localjoinchannel(lua_nick, cp)) {
  93     localgetops(lua_nick, cp);
  94   } else {
  95     localcreatechannel(lua_nick, LUA_PUKECHAN);
  96   }
  97
  98   myublip = schedulerecurring(time(NULL) + 1, 0, 60, &lua_blip, NULL);
  99   myutick = schedulerecurring(time(NULL) + 1, 0, 1, &lua_tick, NULL);
 100
 101   lua_registerevents();
 102 }
 103
 104 void lua_destroybot(void) {
 105   if(myutick)
 106     deleteschedule(myutick, &lua_tick, NULL);
 107
 108   if(myublip)
 109     deleteschedule(myublip, &lua_blip, NULL);
 110
 111   lua_deregisterevents();
 112
 113   if (myureconnect)
 114     deleteschedule(myureconnect, &lua_startbot, NULL);
 115
 116   if(lua_nick)
 117     deregisterlocaluser(lua_nick, NULL);
 118 }
 119
 120 int _lua_vpcall(lua_State *l, void *function, int mode, const char *sig, ...) {
 121   va_list va;
 122   int narg = 0, nres, top = lua_gettop(l);
 123
 124   lua_getglobal(l, "scripterror");
 125   if(mode == LUA_CHARMODE) {
 126     lua_getglobal(l, (const char *)function);
 127   } else {
 128     lua_rawgeti(l, LUA_REGISTRYINDEX, (long)function);
 129   }
 130
 131   if(!lua_isfunction(l, -1)) {
 132     lua_settop(l, top);
 133     return 1;
 134   }
 135
 136   va_start(va, sig);
 137
 138   while(*sig) {
 139     switch(*sig++) {
 140       case 'i':
 141         lua_pushint(l, va_arg(va, int));
 142         break;
 143       case 'l':
 144         lua_pushlong(l, va_arg(va, long));
 145         break;
 146       case 's':
 147         lua_pushstring(l, va_arg(va, char *));
 148         break;
 149       case 'S':
 150         lua_pushstring(l, ((sstring *)(va_arg(va, sstring *)))->content);
 151         break;
 152       case 'N':
 153         {
 154           nick *np = va_arg(va, nick *);
 155           LUA_PUSHNICK(l, np);
 156           break;
 157         }
 158       case 'C':
 159         {
 160           channel *cp = va_arg(va, channel *);
 161           LUA_PUSHCHAN(l, cp);
 162           break;
 163         }
 164       case '0':
 165         lua_pushnil(l);
 166         break;
 167       case '>':
 168         goto endwhile;
 169
 170       default:
 171         Error("lua", ERR_ERROR, "Unable to parse vpcall signature (%c)", *(sig - 1));
 172     }
 173     narg++;
 174   }
 175
 176 endwhile:
 177
 178   nres = strlen(sig);
 179
 180   if(lua_debugpcall(l, (mode==LUA_CHARMODE)?function:"some_handler", narg, nres, top + 1)) {
 181     Error("lua", ERR_ERROR, "Error pcalling %s: %s.", (mode==LUA_CHARMODE)?function:"some_handler", lua_tostring(l, -1));
 182   } else {
 183     nres = -nres;
 184     while(*sig) {
 185       switch(*sig++) {
 186         default:
 187           Error("lua", ERR_ERROR, "Unable to parse vpcall return structure (%c)", *(sig - 1));
 188       }
 189       nres++;
 190     }
 191   }
 192
 193   lua_settop(l, top);
 194   va_end(va);
 195   return 0;
 196 }
 197
 198 void lua_bothandler(nick *target, int type, void **args) {
 199   nick *np;
 200   char *p;
 201   int le;
 202
 203   switch(type) {
 204     case LU_PRIVMSG:
 205       np = (nick *)args[0];
 206       p = (char *)args[1];
 207
 208       if(!np || !p)
 209         return;
 210
 211       lua_avpcall("irc_onmsg", "ls", np->numeric, p);
 212
 213       break;
 214     case LU_PRIVNOTICE:
 215       np = (nick *)args[0];
 216       p = (char *)args[1];
 217
 218       if(!np || !p)
 219         return;
 220
 221       le = strlen(p);
 222       if((le > 1) && (p[0] == '\001')) {
 223         if(p[le - 1] == '\001')
 224           p[le - 1] = '\000';
 225
 226         lua_avpcall("irc_onctcp", "ls", np->numeric, p + 1);
 227
 228       }
 229
 230       break;
 231
 232     case LU_KILLED:
 233       if(myublip) {
 234         myublip = NULL;
 235         deleteschedule(myublip, &lua_blip, NULL);
 236       }
 237
 238       if(myutick) {
 239         myutick = NULL;
 240         deleteschedule(myutick, &lua_tick, NULL);
 241       }
 242
 243       lua_nick = NULL;
 244       myureconnect = scheduleoneshot(time(NULL) + 1, &lua_startbot, NULL);
 245
 246       break;
 247   }
 248 }
 249
 250 void lua_blip(void *arg) {
 251   lua_avpcall("onblip", "");
 252 }
 253
 254 void lua_tick(void *arg) {
 255   lua_avpcall("ontick", "");
 256 }
 257
 258 void lua_onnewnick(int hooknum, void *arg) {
 259   nick *np = (nick *)arg;
 260
 261   if(!np)
 262     return;
 263
 264   lua_avpcall("irc_onnewnick", "l", np->numeric);
 265 }
 266
 267 void lua_onkick(int hooknum, void *arg) {
 268   void **arglist = (void **)arg;
 269   chanindex *ci = ((channel *)arglist[0])->index;
 270   nick *kicked = arglist[1];
 271   nick *kicker = arglist[2];
 272   char *message = (char *)arglist[3];
 273
 274   if(!kicker || IsOper(kicker) || IsService(kicker) || IsXOper(kicker)) /* bloody Cruicky */
 275     return;
 276
 277   if(kicker) {
 278     lua_avpcall("irc_onkick", "Slls", ci->name, kicked->numeric, kicker->numeric, message);
 279   } else {
 280     lua_avpcall("irc_onkick", "Sl0s", ci->name, kicked->numeric, message);
 281   }
 282 }
 283
 284 void lua_ontopic(int hooknum, void *arg) {
 285   void **arglist = (void **)arg;
 286   channel *cp=(channel*)arglist[0];
 287   nick *np = (nick *)arglist[1];
 288
 289   if(!np || IsOper(np) || IsService(np) || IsXOper(np))
 290     return;
 291   if(!cp || !cp->topic)
 292     return;
 293
 294   lua_avpcall("irc_ontopic", "SlS", cp->index->name, np->numeric, cp->topic);
 295 }
 296
 297 void lua_onop(int hooknum, void *arg) {
 298   void **arglist = (void **)arg;
 299   chanindex *ci = ((channel *)arglist[0])->index;
 300   nick *np = arglist[1];
 301   nick *target = arglist[2];
 302
 303   if(!target)
 304     return;
 305
 306   if(np) {
 307     lua_avpcall(hooknum == HOOK_CHANNEL_OPPED?"irc_onop":"irc_ondeop", "Sll", ci->name, np->numeric, target->numeric);
 308   } else {
 309     lua_avpcall(hooknum == HOOK_CHANNEL_OPPED?"irc_onop":"irc_ondeop", "S0l", ci->name, target->numeric);
 310   }
 311 }
 312
 313 void lua_onjoin(int hooknum, void *arg) {
 314   void **arglist = (void **)arg;
 315   chanindex *ci = ((channel *)arglist[0])->index;
 316   nick *np = arglist[1];
 317
 318   if(!ci || !np)
 319     return;
 320
 321   lua_avpcall("irc_onjoin", "Sl", ci->name, np->numeric);
 322 }
 323
 324 void lua_onpart(int hooknum, void *arg) {
 325   void **arglist = (void **)arg;
 326   chanindex *ci = ((channel *)arglist[0])->index;
 327   nick *np = arglist[1];
 328
 329   if(!ci || !np)
 330     return;
 331
 332   lua_avpcall("irc_onpart", "Sl", ci->name, np->numeric);
 333 }
 334
 335 void lua_onrename(int hooknum, void *arg) {
 336   nick *np = (void *)arg;
 337
 338   if(!np)
 339     return;
 340
 341   lua_avpcall("irc_onrename", "l", np->numeric);
 342 }
 343
 344 void lua_onquit(int hooknum, void *arg) {
 345   nick *np = (nick *)arg;
 346
 347   if(!np)
 348     return;
 349
 350   lua_avpcall("irc_onquit", "l", np->numeric);
 351 }
 352
 353 void lua_onauth(int hooknum, void *arg) {
 354   nick *np = (nick *)arg;
 355
 356   if(!np)
 357     return;
 358
 359   lua_avpcall("irc_onauth", "l", np->numeric);
 360 }
 361
 362 void lua_ondisconnect(int hooknum, void *arg) {
 363   lua_avpcall(hooknum == HOOK_IRC_DISCON?"irc_ondisconnect":"irc_onpredisconnect", "");
 364 }
 365
 366 void lua_onconnect(int hooknum, void *arg) {
 367   lua_avpcall(hooknum == HOOK_IRC_CONNECTED?"irc_onconnect":"irc_onendofburst", "");
 368 }
 369
 370 void lua_onload(lua_State *l) {
 371   lua_vpcall(l, "onload", "");
 372 }
 373
 374 void lua_onunload(lua_State *l) {
 375   lua_vpcall(l, "onunload", "");
 376 }
 377
 378 int lua_channelmessage(channel *cp, char *message, ...) {
 379   char buf[512];
 380   va_list va;
 381
 382   va_start(va, message);
 383   vsnprintf(buf, sizeof(buf), message, va);
 384   va_end(va);
 385
 386   sendmessagetochannel(lua_nick, cp, "%s", buf);
 387
 388   return 0;
 389 }
 390
 391 int lua_message(nick *np, char *message, ...) {
 392   char buf[512];
 393   va_list va;
 394
 395   va_start(va, message);
 396   vsnprintf(buf, sizeof(buf), message, va);
 397   va_end(va);
 398
 399   sendmessagetouser(lua_nick, np, "%s", buf);
 400
 401   return 0;
 402 }
 403
 404 int lua_notice(nick *np, char *message, ...) {
 405   char buf[512];
 406   va_list va;
 407
 408   va_start(va, message);
 409   vsnprintf(buf, sizeof(buf), message, va);
 410   va_end(va);
 411
 412   sendnoticetouser(lua_nick, np, "%s", buf);
 413
 414   return 0;
 415 }
 416
 417 char *printallmodes(channel *cp) {
 418   static char buf[1024];
 419   char buf2[12];
 420
 421   if(IsLimit(cp))
 422     snprintf(buf2, sizeof(buf2), "%d", cp->limit);
 423
 424   snprintf(buf, sizeof(buf), "%s %s%s%s", printflags(cp->flags, cmodeflags), IsLimit(cp)?buf2:"", IsLimit(cp)?" ":"", IsKey(cp)?cp->key->content:"");
 425
 426   return buf;
 427 }
 428
 429 void lua_onmode(int hooknum, void *arg) {
 430   void **arglist = (void **)arg;
 431   channel *cp = (channel *)arglist[0];
 432   chanindex *ci = cp->index;
 433   nick *np = arglist[1];
 434
 435   if(np) {
 436     lua_avpcall("irc_onmode", "Sls", ci->name, np->numeric, printallmodes(cp));
 437   } else {
 438     lua_avpcall("irc_onmode", "S0s", ci->name, printallmodes(cp));
 439   }
 440 }
 441
 442