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 #include "../core/config.h"
  10
  11 #include "lua.h"
  12 #include "luabot.h"
  13
  14 #include <stdarg.h>
  15
  16 nick *lua_nick = NULL;
  17 void *myureconnect = NULL, *myublip = NULL, *myutick = NULL;
  18
  19 void lua_bothandler(nick *target, int type, void **args);
  20
  21 void lua_onnewnick(int hooknum, void *arg);
  22 void lua_blip(void *arg);
  23 void lua_tick(void *arg);
  24 void lua_onkick(int hooknum, void *arg);
  25 void lua_ontopic(int hooknum, void *arg);
  26 void lua_onauth(int hooknum, void *arg);
  27 void lua_ondisconnect(int hooknum, void *arg);
  28 void lua_onmode(int hooknum, void *arg);
  29 void lua_onop(int hooknum, void *arg);
  30 void lua_onquit(int hooknum, void *arg);
  31 void lua_onrename(int hooknum, void *arg);
  32 void lua_onconnect(int hooknum, void *arg);
  33 void lua_onjoin(int hooknum, void *arg);
  34 void lua_onpart(int hooknum, void *arg);
  35
  36 void lua_registerevents(void) {
  37   registerhook(HOOK_CHANNEL_MODECHANGE, &lua_onmode);
  38   registerhook(HOOK_NICK_NEWNICK, &lua_onnewnick);
  39   registerhook(HOOK_IRC_DISCON, &lua_ondisconnect);
  40   registerhook(HOOK_IRC_PRE_DISCON, &lua_ondisconnect);
  41   registerhook(HOOK_NICK_ACCOUNT, &lua_onauth);
  42   registerhook(HOOK_CHANNEL_TOPIC, &lua_ontopic);
  43   registerhook(HOOK_CHANNEL_KICK, &lua_onkick);
  44   registerhook(HOOK_CHANNEL_OPPED, &lua_onop);
  45   registerhook(HOOK_CHANNEL_DEOPPED, &lua_onop);
  46   registerhook(HOOK_NICK_LOSTNICK, &lua_onquit);
  47   registerhook(HOOK_NICK_RENAME, &lua_onrename);
  48   registerhook(HOOK_IRC_CONNECTED, &lua_onconnect);
  49   registerhook(HOOK_SERVER_END_OF_BURST, &lua_onconnect);
  50   registerhook(HOOK_CHANNEL_JOIN, &lua_onjoin);
  51   registerhook(HOOK_CHANNEL_PART, &lua_onpart);
  52   registerhook(HOOK_CHANNEL_CREATE, &lua_onjoin);
  53 }
  54
  55 void lua_deregisterevents(void) {
  56   deregisterhook(HOOK_CHANNEL_PART, &lua_onpart);
  57   deregisterhook(HOOK_CHANNEL_CREATE, &lua_onjoin);
  58   deregisterhook(HOOK_CHANNEL_JOIN, &lua_onjoin);
  59   deregisterhook(HOOK_SERVER_END_OF_BURST, &lua_onconnect);
  60   deregisterhook(HOOK_IRC_CONNECTED, &lua_onconnect);
  61   deregisterhook(HOOK_NICK_RENAME, &lua_onrename);
  62   deregisterhook(HOOK_NICK_LOSTNICK, &lua_onquit);
  63   deregisterhook(HOOK_CHANNEL_DEOPPED, &lua_onop);
  64   deregisterhook(HOOK_CHANNEL_OPPED, &lua_onop);
  65   deregisterhook(HOOK_CHANNEL_KICK, &lua_onkick);
  66   deregisterhook(HOOK_CHANNEL_TOPIC, &lua_ontopic);
  67   deregisterhook(HOOK_NICK_ACCOUNT, &lua_onauth);
  68   deregisterhook(HOOK_IRC_PRE_DISCON, &lua_ondisconnect);
  69   deregisterhook(HOOK_IRC_DISCON, &lua_ondisconnect);
  70   deregisterhook(HOOK_NICK_NEWNICK, &lua_onnewnick);
  71   deregisterhook(HOOK_CHANNEL_MODECHANGE, &lua_onmode);
  72 }
  73
  74 void lua_startbot(void *arg) {
  75   channel *cp;
  76   sstring *n;
  77
  78   myureconnect = NULL;
  79
  80   n = getcopyconfigitem("lua", "botnick", "U", NICKLEN);
  81   lua_nick = registerlocaluser(n->content, "lua", "quakenet.department.of.corrections", LUA_FULLVERSION, "U", UMODE_ACCOUNT | UMODE_DEAF | UMODE_OPER | UMODE_SERVICE, &lua_bothandler);
  82   if(!lua_nick) {
  83     myureconnect = scheduleoneshot(time(NULL) + 1, &lua_startbot, NULL);
  84     return;
  85   }
  86
  87   cp = findchannel(LUA_OPERCHAN);
  88   if(cp && localjoinchannel(lua_nick, cp)) {
  89     localgetops(lua_nick, cp);
  90   } else {
  91     localcreatechannel(lua_nick, LUA_OPERCHAN);
  92   }
  93
  94   cp = findchannel(LUA_PUKECHAN);
  95   if(cp && localjoinchannel(lua_nick, cp)) {
  96     localgetops(lua_nick, cp);
  97   } else {
  98     localcreatechannel(lua_nick, LUA_PUKECHAN);
  99   }
 100
 101   myublip = schedulerecurring(time(NULL) + 1, 0, 60, &lua_blip, NULL);
 102   myutick = schedulerecurring(time(NULL) + 1, 0, 1, &lua_tick, NULL);
 103
 104   lua_registerevents();
 105 }
 106
 107 void lua_destroybot(void) {
 108   if(myutick)
 109     deleteschedule(myutick, &lua_tick, NULL);
 110
 111   if(myublip)
 112     deleteschedule(myublip, &lua_blip, NULL);
 113
 114   lua_deregisterevents();
 115
 116   if (myureconnect)
 117     deleteschedule(myureconnect, &lua_startbot, NULL);
 118
 119   if(lua_nick)
 120     deregisterlocaluser(lua_nick, NULL);
 121 }
 122
 123 int _lua_vpcall(lua_State *l, void *function, int mode, const char *sig, ...) {
 124   va_list va;
 125   int narg = 0, nres, top = lua_gettop(l);
 126
 127   lua_getglobal(l, "scripterror");
 128   if(mode == LUA_CHARMODE) {
 129     lua_getglobal(l, (const char *)function);
 130   } else {
 131     lua_rawgeti(l, LUA_REGISTRYINDEX, (long)function);
 132   }
 133
 134   if(!lua_isfunction(l, -1)) {
 135     lua_settop(l, top);
 136     return 1;
 137   }
 138
 139   va_start(va, sig);
 140
 141   while(*sig) {
 142     switch(*sig++) {
 143       case 'i':
 144         lua_pushint(l, va_arg(va, int));
 145         break;
 146       case 'l':
 147         lua_pushlong(l, va_arg(va, long));
 148         break;
 149       case 's':
 150         lua_pushstring(l, va_arg(va, char *));
 151         break;
 152       case 'S':
 153         lua_pushstring(l, ((sstring *)(va_arg(va, sstring *)))->content);
 154         break;
 155       case 'N':
 156         {
 157           nick *np = va_arg(va, nick *);
 158           LUA_PUSHNICK(l, np);
 159           break;
 160         }
 161       case 'C':
 162         {
 163           channel *cp = va_arg(va, channel *);
 164           LUA_PUSHCHAN(l, cp);
 165           break;
 166         }
 167       case '0':
 168         lua_pushnil(l);
 169         break;
 170       case 'R':
 171         lua_rawgeti(l, LUA_REGISTRYINDEX, va_arg(va, long));
 172         break;
 173       case 'b':
 174         lua_pushboolean(l, va_arg(va, int));
 175         break;
 176       case '>':
 177         goto endwhile;
 178
 179       default:
 180         Error("lua", ERR_ERROR, "Unable to parse vpcall signature (%c)", *(sig - 1));
 181     }
 182     narg++;
 183   }
 184
 185 endwhile:
 186
 187   nres = strlen(sig);
 188
 189   if(lua_debugpcall(l, (mode==LUA_CHARMODE)?function:"some_handler", narg, nres, top + 1)) {
 190     Error("lua", ERR_ERROR, "Error pcalling %s: %s.", (mode==LUA_CHARMODE)?function:"some_handler", lua_tostring(l, -1));
 191   } else {
 192     nres = -nres;
 193     while(*sig) {
 194       switch(*sig++) {
 195         default:
 196           Error("lua", ERR_ERROR, "Unable to parse vpcall return structure (%c)", *(sig - 1));
 197       }
 198       nres++;
 199     }
 200   }
 201
 202   lua_settop(l, top);
 203   va_end(va);
 204   return 0;
 205 }
 206
 207 void lua_bothandler(nick *target, int type, void **args) {
 208   nick *np;
 209   char *p;
 210   int le;
 211
 212   switch(type) {
 213     case LU_PRIVMSG:
 214       np = (nick *)args[0];
 215       p = (char *)args[1];
 216
 217       if(!np || !p)
 218         return;
 219
 220       lua_avpcall("irc_onmsg", "ls", np->numeric, p);
 221
 222       break;
 223     case LU_PRIVNOTICE:
 224       np = (nick *)args[0];
 225       p = (char *)args[1];
 226
 227       if(!np || !p)
 228         return;
 229
 230       le = strlen(p);
 231       if((le > 1) && (p[0] == '\001')) {
 232         if(p[le - 1] == '\001')
 233           p[le - 1] = '\000';
 234
 235         lua_avpcall("irc_onctcp", "ls", np->numeric, p + 1);
 236
 237       }
 238
 239       break;
 240
 241     case LU_KILLED:
 242       if(myublip) {
 243         myublip = NULL;
 244         deleteschedule(myublip, &lua_blip, NULL);
 245       }
 246
 247       if(myutick) {
 248         myutick = NULL;
 249         deleteschedule(myutick, &lua_tick, NULL);
 250       }
 251
 252       lua_nick = NULL;
 253       myureconnect = scheduleoneshot(time(NULL) + 1, &lua_startbot, NULL);
 254
 255       break;
 256   }
 257 }
 258
 259 void lua_blip(void *arg) {
 260   lua_avpcall("onblip", "");
 261 }
 262
 263 void lua_tick(void *arg) {
 264   lua_avpcall("ontick", "");
 265 }
 266
 267 void lua_onnewnick(int hooknum, void *arg) {
 268   nick *np = (nick *)arg;
 269
 270   if(!np)
 271     return;
 272
 273   lua_avpcall("irc_onnewnick", "l", np->numeric);
 274 }
 275
 276 void lua_onkick(int hooknum, void *arg) {
 277   void **arglist = (void **)arg;
 278   chanindex *ci = ((channel *)arglist[0])->index;
 279   nick *kicked = arglist[1];
 280   nick *kicker = arglist[2];
 281   char *message = (char *)arglist[3];
 282   int mode = 1;
 283
 284   if(!kicker || IsOper(kicker) || IsService(kicker) || IsXOper(kicker)) /* bloody Cruicky */
 285     mode = 0;
 286
 287   if(mode) {
 288     lua_avpcall("irc_onkick", "Slls", ci->name, kicked->numeric, kicker->numeric, message);
 289   } else if(kicker) {
 290     lua_avpcall("irc_onkickall", "Slls", ci->name, kicked->numeric, kicker->numeric, message);
 291   } else {
 292     lua_avpcall("irc_onkickall", "Sl0s", ci->name, kicked->numeric, message);
 293   }
 294 }
 295
 296 void lua_ontopic(int hooknum, void *arg) {
 297   void **arglist = (void **)arg;
 298   channel *cp=(channel*)arglist[0];
 299   nick *np = (nick *)arglist[1];
 300
 301   if(!np || IsOper(np) || IsService(np) || IsXOper(np))
 302     return;
 303   if(!cp || !cp->topic)
 304     return;
 305
 306   lua_avpcall("irc_ontopic", "SlS", cp->index->name, np->numeric, cp->topic);
 307 }
 308
 309 void lua_onop(int hooknum, void *arg) {
 310   void **arglist = (void **)arg;
 311   chanindex *ci = ((channel *)arglist[0])->index;
 312   nick *np = arglist[1];
 313   nick *target = arglist[2];
 314
 315   if(!target)
 316     return;
 317
 318   if(np) {
 319     lua_avpcall(hooknum == HOOK_CHANNEL_OPPED?"irc_onop":"irc_ondeop", "Sll", ci->name, np->numeric, target->numeric);
 320   } else {
 321     lua_avpcall(hooknum == HOOK_CHANNEL_OPPED?"irc_onop":"irc_ondeop", "S0l", ci->name, target->numeric);
 322   }
 323 }
 324
 325 void lua_onjoin(int hooknum, void *arg) {
 326   void **arglist = (void **)arg;
 327   chanindex *ci = ((channel *)arglist[0])->index;
 328   nick *np = arglist[1];
 329
 330   if(!ci || !np)
 331     return;
 332
 333   lua_avpcall("irc_onjoin", "Sl", ci->name, np->numeric);
 334 }
 335
 336 void lua_onpart(int hooknum, void *arg) {
 337   void **arglist = (void **)arg;
 338   chanindex *ci = ((channel *)arglist[0])->index;
 339   nick *np = arglist[1];
 340
 341   if(!ci || !np)
 342     return;
 343
 344   lua_avpcall("irc_onpart", "Sl", ci->name, np->numeric);
 345 }
 346
 347 void lua_onrename(int hooknum, void *arg) {
 348   nick *np = (void *)arg;
 349
 350   if(!np)
 351     return;
 352
 353   lua_avpcall("irc_onrename", "l", np->numeric);
 354 }
 355
 356 void lua_onquit(int hooknum, void *arg) {
 357   nick *np = (nick *)arg;
 358
 359   if(!np)
 360     return;
 361
 362   lua_avpcall("irc_onquit", "l", np->numeric);
 363 }
 364
 365 void lua_onauth(int hooknum, void *arg) {
 366   nick *np = (nick *)arg;
 367
 368   if(!np)
 369     return;
 370
 371   lua_avpcall("irc_onauth", "l", np->numeric);
 372 }
 373
 374 void lua_ondisconnect(int hooknum, void *arg) {
 375   lua_avpcall(hooknum == HOOK_IRC_DISCON?"irc_ondisconnect":"irc_onpredisconnect", "");
 376 }
 377
 378 void lua_onconnect(int hooknum, void *arg) {
 379   lua_avpcall(hooknum == HOOK_IRC_CONNECTED?"irc_onconnect":"irc_onendofburst", "");
 380 }
 381
 382 void lua_onload(lua_State *l) {
 383   lua_vpcall(l, "onload", "");
 384 }
 385
 386 void lua_onunload(lua_State *l) {
 387   lua_vpcall(l, "onunload", "");
 388 }
 389
 390 int lua_channelmessage(channel *cp, char *message, ...) {
 391   char buf[512];
 392   va_list va;
 393
 394   va_start(va, message);
 395   vsnprintf(buf, sizeof(buf), message, va);
 396   va_end(va);
 397
 398   sendmessagetochannel(lua_nick, cp, "%s", buf);
 399
 400   return 0;
 401 }
 402
 403 int lua_message(nick *np, char *message, ...) {
 404   char buf[512];
 405   va_list va;
 406
 407   va_start(va, message);
 408   vsnprintf(buf, sizeof(buf), message, va);
 409   va_end(va);
 410
 411   sendmessagetouser(lua_nick, np, "%s", buf);
 412
 413   return 0;
 414 }
 415
 416 int lua_notice(nick *np, char *message, ...) {
 417   char buf[512];
 418   va_list va;
 419
 420   va_start(va, message);
 421   vsnprintf(buf, sizeof(buf), message, va);
 422   va_end(va);
 423
 424   sendnoticetouser(lua_nick, np, "%s", buf);
 425
 426   return 0;
 427 }
 428
 429 char *printallmodes(channel *cp) {
 430   static char buf[1024];
 431   char buf2[12];
 432
 433   if(IsLimit(cp))
 434     snprintf(buf2, sizeof(buf2), "%d", cp->limit);
 435
 436   snprintf(buf, sizeof(buf), "%s %s%s%s", printflags(cp->flags, cmodeflags), IsLimit(cp)?buf2:"", IsLimit(cp)?" ":"", IsKey(cp)?cp->key->content:"");
 437
 438   return buf;
 439 }
 440
 441 void lua_onmode(int hooknum, void *arg) {
 442   void **arglist = (void **)arg;
 443   channel *cp = (channel *)arglist[0];
 444   chanindex *ci = cp->index;
 445   nick *np = arglist[1];
 446
 447   if(np) {
 448     lua_avpcall("irc_onmode", "Sls", ci->name, np->numeric, printallmodes(cp));
 449   } else {
 450     lua_avpcall("irc_onmode", "S0s", ci->name, printallmodes(cp));
 451   }
 452 }
 453
 454