src/proto-p10.c

   1 /* proto-p10.c - IRC protocol output
   2  * Copyright 2000-2004 srvx Development Team
   3  *
   4  * This file is part of x3.
   5  *
   6  * x3 is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with srvx; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
  19  */
  20
  21 #include "nickserv.h"
  22 #include "chanserv.h"
  23 #include "hash.h"
  24 #include "helpfile.h"
  25 #include "hosthiding.h"
  26 #include "proto-common.c"
  27 #include "opserv.h"
  28
  29 /* Full commands. */
  30 #define CMD_ACCOUNT             "ACCOUNT"
  31 #define CMD_ADMIN               "ADMIN"
  32 #define CMD_ALIST               "ALIST"
  33 #define CMD_ASLL                "ASLL"
  34 #define CMD_AWAY                "AWAY"
  35 #define CMD_BURST               "BURST"
  36 #define CMD_CLEARMODE           "CLEARMODE"
  37 #define CMD_CLOSE               "CLOSE"
  38 #define CMD_CNOTICE             "CNOTICE"
  39 #define CMD_CONNECT             "CONNECT"
  40 #define CMD_CPRIVMSG            "CPRIVMSG"
  41 #define CMD_CREATE              "CREATE"
  42 #define CMD_DESTRUCT            "DESTRUCT"
  43 #define CMD_DESYNCH             "DESYNCH"
  44 #define CMD_DIE                 "DIE"
  45 #define CMD_DNS                 "DNS"
  46 #define CMD_EOB                 "END_OF_BURST"
  47 #define CMD_EOB_ACK             "EOB_ACK"
  48 #define CMD_ERROR               "ERROR"
  49 #define CMD_FAKEHOST            "FAKE"
  50 #define CMD_GET                 "GET"
  51 #define CMD_GLINE               "GLINE"
  52 #define CMD_HASH                "HASH"
  53 #define CMD_HELP                "HELP"
  54 #define CMD_INFO                "INFO"
  55 #define CMD_INVITE              "INVITE"
  56 #define CMD_ISON                "ISON"
  57 #define CMD_JOIN                "JOIN"
  58 #define CMD_JUPE                "JUPE"
  59 #define CMD_KICK                "KICK"
  60 #define CMD_KILL                "KILL"
  61 #define CMD_LINKS               "LINKS"
  62 #define CMD_LIST                "LIST"
  63 #define CMD_LUSERS              "LUSERS"
  64 #define CMD_MAP                 "MAP"
  65 #define CMD_MARK                "MARK"
  66 #define CMD_MODE                "MODE"
  67 #define CMD_MOTD                "MOTD"
  68 #define CMD_NAMES               "NAMES"
  69 #define CMD_NICK                "NICK"
  70 #define CMD_NOTICE              "NOTICE"
  71 #define CMD_OPER                "OPER"
  72 #define CMD_OPMODE              "OPMODE"
  73 #define CMD_PART                "PART"
  74 #define CMD_PASS                "PASS"
  75 #define CMD_PING                "PING"
  76 #define CMD_PONG                "PONG"
  77 #define CMD_POST                "POST"
  78 #define CMD_PRIVMSG             "PRIVMSG"
  79 #define CMD_PRIVS               "PRIVS"
  80 #define CMD_PROTO               "PROTO"
  81 #define CMD_QUIT                "QUIT"
  82 #define CMD_REHASH              "REHASH"
  83 #define CMD_RESET               "RESET"
  84 #define CMD_RESTART             "RESTART"
  85 #define CMD_RPING               "RPING"
  86 #define CMD_RPONG               "RPONG"
  87 #define CMD_SERVER              "SERVER"
  88 #define CMD_SERVLIST            "SERVLIST"
  89 #define CMD_SERVSET             "SERVSET"
  90 #define CMD_SET                 "SET"
  91 #define CMD_SETTIME             "SETTIME"
  92 #define CMD_SGLINE              "SGLINE"
  93 #define CMD_SHUN                "SHUN"
  94 #define CMD_SILENCE             "SILENCE"
  95 #define CMD_SNO                 "SNO"
  96 #define CMD_SSHUN               "SSHUN"
  97 #define CMD_SQUERY              "SQUERY"
  98 #define CMD_SQUIT               "SQUIT"
  99 #define CMD_STATS               "STATS"
 100 #define CMD_SVSJOIN             "SVSJOIN"
 101 #define CMD_SVSNICK             "SVSNICK"
 102 #define CMD_SVSPART             "SVSPART"
 103 #define CMD_SVSQUIT             "SVSQUIT"
 104 #define CMD_SWHOIS              "SWHOIS"
 105 #define CMD_TIME                "TIME"
 106 #define CMD_TOPIC               "TOPIC"
 107 #define CMD_TRACE               "TRACE"
 108 #define CMD_UPING               "UPING"
 109 #define CMD_USER                "USER"
 110 #define CMD_USERHOST            "USERHOST"
 111 #define CMD_USERIP              "USERIP"
 112 #define CMD_VERSION             "VERSION"
 113 #define CMD_WALLCHOPS           "WALLCHOPS"
 114 #define CMD_WALLOPS             "WALLOPS"
 115 #define CMD_WALLHOPS            "WALLHOPS"
 116 #define CMD_WALLUSERS           "WALLUSERS"
 117 #define CMD_WALLVOICES          "WALLVOICES"
 118 #define CMD_WALLHOPS            "WALLHOPS"
 119 #define CMD_WHO                 "WHO"
 120 #define CMD_WHOIS               "WHOIS"
 121 #define CMD_WHOWAS              "WHOWAS"
 122
 123 /* Tokenized commands. */
 124 #define TOK_ACCOUNT             "AC"
 125 #define TOK_ADMIN               "AD"
 126 #define TOK_ALIST               "AL"
 127 #define TOK_ASLL                "LL"
 128 #define TOK_AWAY                "A"
 129 #define TOK_BURST               "B"
 130 #define TOK_CLEARMODE           "CM"
 131 #define TOK_CLOSE               "CLOSE"
 132 #define TOK_CNOTICE             "CN"
 133 #define TOK_CONNECT             "CO"
 134 #define TOK_CPRIVMSG            "CP"
 135 #define TOK_CREATE              "C"
 136 #define TOK_DESTRUCT            "DE"
 137 #define TOK_DESYNCH             "DS"
 138 #define TOK_DIE                 "DIE"
 139 #define TOK_DNS                 "DNS"
 140 #define TOK_EOB                 "EB"
 141 #define TOK_EOB_ACK             "EA"
 142 #define TOK_ERROR               "Y"
 143 #define TOK_EXEMPT              "EX"
 144 #define TOK_FAKEHOST            "FA"
 145 #define TOK_GET                 "GET"
 146 #define TOK_GLINE               "GL"
 147 #define TOK_HASH                "HASH"
 148 #define TOK_HELP                "HELP"
 149 #define TOK_INFO                "F"
 150 #define TOK_INVITE              "I"
 151 #define TOK_ISON                "ISON"
 152 #define TOK_JOIN                "J"
 153 #define TOK_JUPE                "JU"
 154 #define TOK_KICK                "K"
 155 #define TOK_KILL                "D"
 156 #define TOK_LINKS               "LI"
 157 #define TOK_LIST                "LIST"
 158 #define TOK_LUSERS              "LU"
 159 #define TOK_MAP                 "MAP"
 160 #define TOK_MARK                "MK"
 161 #define TOK_MODE                "M"
 162 #define TOK_MOTD                "MO"
 163 #define TOK_NAMES               "E"
 164 #define TOK_NICK                "N"
 165 #define TOK_NOTICE              "O"
 166 #define TOK_OPER                "OPER"
 167 #define TOK_OPMODE              "OM"
 168 #define TOK_PART                "L"
 169 #define TOK_PASS                "PA"
 170 #define TOK_PING                "G"
 171 #define TOK_PONG                "Z"
 172 #define TOK_POST                "POST"
 173 #define TOK_PRIVMSG             "P"
 174 #define TOK_PRIVS               "PRIVS"
 175 #define TOK_PROTO               "PROTO"
 176 #define TOK_QUIT                "Q"
 177 #define TOK_REHASH              "REHASH"
 178 #define TOK_RESET               "RESET"
 179 #define TOK_RESTART             "RESTART"
 180 #define TOK_RPING               "RI"
 181 #define TOK_RPONG               "RO"
 182 #define TOK_SERVER              "S"
 183 #define TOK_SERVLIST            "SERVSET"
 184 #define TOK_SERVSET             "SERVSET"
 185 #define TOK_SET                 "SET"
 186 #define TOK_SETTIME             "SE"
 187 #define TOK_SGLINE              "SGL"
 188 #define TOK_SHUN                "SU"
 189 #define TOK_SILENCE             "U"
 190 #define TOK_SNO                 "SNO"
 191 #define TOK_SSHUN               "SSU"
 192 #define TOK_SQUERY              "SQUERY"
 193 #define TOK_SQUIT               "SQ"
 194 #define TOK_STATS               "R"
 195 #define TOK_SVSJOIN             "SJ"
 196 #define TOK_SVSNICK             "SN"
 197 #define TOK_SVSPART             "SP"
 198 #define TOK_SVSQUIT             "SX"
 199 #define TOK_SWHOIS              "SW"
 200 #define TOK_TIME                "TI"
 201 #define TOK_TOPIC               "T"
 202 #define TOK_TRACE               "TR"
 203 #define TOK_UPING               "UP"
 204 #define TOK_USER                "USER"
 205 #define TOK_USERHOST            "USERHOST"
 206 #define TOK_USERIP              "USERIP"
 207 #define TOK_VERSION             "V"
 208 #define TOK_WALLCHOPS           "WC"
 209 #define TOK_WALLOPS             "WA"
 210 #define TOK_WALLHOPS            "WH"
 211 #define TOK_WALLUSERS           "WU"
 212 #define TOK_WALLVOICES          "WV"
 213 #define TOK_WALLHOPS            "WH"
 214 #define TOK_WHO                 "H"
 215 #define TOK_WHOIS               "W"
 216 #define TOK_WHOWAS              "X"
 217
 218 /* Protocol messages; aliased to full commands or tokens depending
 219    on compile-time configuration. ircu prefers tokens WITH THE
 220    EXCEPTION OF THE SERVER AND PASS COMMANDS, which cannot be
 221    tokenized, because clients' (ie. a linking server) commands are
 222    only checked against the full command list.
 223 */
 224 #if defined(ENABLE_TOKENS)
 225 #define TYPE(NAME)              TOK_ ## NAME
 226 #else /* !ENABLE_TOKENS */
 227 #define TYPE(NAME)              CMD_ ## NAME
 228 #endif /* ENABLE_TOKENS */
 229
 230 #define P10_ACCOUNT             TYPE(ACCOUNT)
 231 #define P10_ADMIN               TYPE(ADMIN)
 232 #define P10_ASLL                TYPE(ASLL)
 233 #define P10_AWAY                TYPE(AWAY)
 234 #define P10_BURST               TYPE(BURST)
 235 #define P10_CLEARMODE           TYPE(CLEARMODE)
 236 #define P10_CLOSE               TYPE(CLOSE)
 237 #define P10_CNOTICE             TYPE(CNOTICE)
 238 #define P10_CONNECT             TYPE(CONNECT)
 239 #define P10_CPRIVMSG            TYPE(CPRIVMSG)
 240 #define P10_CREATE              TYPE(CREATE)
 241 #define P10_DESTRUCT            TYPE(DESTRUCT)
 242 #define P10_DESYNCH             TYPE(DESYNCH)
 243 #define P10_DIE                 TYPE(DIE)
 244 #define P10_DNS                 TYPE(DNS)
 245 #define P10_EOB                 TYPE(EOB)
 246 #define P10_EOB_ACK             TYPE(EOB_ACK)
 247 #define P10_ERROR               TYPE(ERROR)
 248 #define P10_FAKEHOST            TYPE(FAKEHOST)
 249 #define P10_GET                 TYPE(GET)
 250 #define P10_GLINE               TYPE(GLINE)
 251 #define P10_HASH                TYPE(HASH)
 252 #define P10_HELP                TYPE(HELP)
 253 #define P10_INFO                TYPE(INFO)
 254 #define P10_INVITE              TYPE(INVITE)
 255 #define P10_ISON                TYPE(ISON)
 256 #define P10_JOIN                TYPE(JOIN)
 257 #define P10_JUPE                TYPE(JUPE)
 258 #define P10_KICK                TYPE(KICK)
 259 #define P10_KILL                TYPE(KILL)
 260 #define P10_LINKS               TYPE(LINKS)
 261 #define P10_LIST                TYPE(LIST)
 262 #define P10_LUSERS              TYPE(LUSERS)
 263 #define P10_MAP                 TYPE(MAP)
 264 #define P10_MARK                TYPE(MARK)
 265 #define P10_MODE                TYPE(MODE)
 266 #define P10_MOTD                TYPE(MOTD)
 267 #define P10_NAMES               TYPE(NAMES)
 268 #define P10_NICK                TYPE(NICK)
 269 #define P10_NOTICE              TYPE(NOTICE)
 270 #define P10_OPER                TYPE(OPER)
 271 #define P10_OPMODE              TYPE(OPMODE)
 272 #define P10_PART                TYPE(PART)
 273 #define P10_PASS                CMD_PASS
 274 #define P10_PING                TYPE(PING)
 275 #define P10_PONG                TYPE(PONG)
 276 #define P10_POST                TYPE(POST)
 277 #define P10_PRIVMSG             TYPE(PRIVMSG)
 278 #define P10_PRIVS               TYPE(PRIVS)
 279 #define P10_PROTO               TYPE(PROTO)
 280 #define P10_QUIT                TYPE(QUIT)
 281 #define P10_REHASH              TYPE(REHASH)
 282 #define P10_RESET               TYPE(RESET)
 283 #define P10_RESTART             TYPE(RESTART)
 284 #define P10_RPING               TYPE(RPING)
 285 #define P10_RPONG               TYPE(RPONG)
 286 #define P10_SERVER              CMD_SERVER
 287 #define P10_SERVLIST            TYPE(SERVLIST)
 288 #define P10_SERVSET             TYPE(SERVSET)
 289 #define P10_SET                 TYPE(SET)
 290 #define P10_SETTIME             TYPE(SETTIME)
 291 #define P10_SGLINE              TYPE(SGLINE)
 292 #define P10_SHUN                TYPE(SHUN)
 293 #define P10_SILENCE             TYPE(SILENCE)
 294 #define P10_SNO                 TYPE(SNO)
 295 #define P10_SSHUN               TYPE(SSHUN)
 296 #define P10_SQUERY              TYPE(SQUERY)
 297 #define P10_SQUIT               TYPE(SQUIT)
 298 #define P10_STATS               TYPE(STATS)
 299 #define P10_SVSJOIN             TYPE(SVSJOIN)
 300 #define P10_SVSNICK             TYPE(SVSNICK)
 301 #define P10_SVSPART             TYPE(SVSPART)
 302 #define P10_SVSQUIT             TYPE(SVSQUIT)
 303 #define P10_SWHOIS              TYPE(SWHOIS)
 304 #define P10_TIME                TYPE(TIME)
 305 #define P10_TOPIC               TYPE(TOPIC)
 306 #define P10_TRACE               TYPE(TRACE)
 307 #define P10_UPING               TYPE(UPING)
 308 #define P10_USER                TYPE(USER)
 309 #define P10_USERHOST            TYPE(USERHOST)
 310 #define P10_USERIP              TYPE(USERIP)
 311 #define P10_VERSION             TYPE(VERSION)
 312 #define P10_WALLCHOPS           TYPE(WALLCHOPS)
 313 #define P10_WALLOPS             TYPE(WALLOPS)
 314 #define P10_WALLHOPS            TYPE(WALLHOPS)
 315 #define P10_WALLUSERS           TYPE(WALLUSERS)
 316 #define P10_WALLVOICES          TYPE(WALLVOICES)
 317 #define P10_WHO                 TYPE(WHO)
 318 #define P10_WHOIS               TYPE(WHOIS)
 319 #define P10_WHOWAS              TYPE(WHOWAS)
 320 #define P10_EXEMPT              TYPE(EXEMPT)
 321
 322 /* Servers claiming to have a boot or link time before PREHISTORY
 323  * trigger errors to the log.  We hope no server has been running
 324  * constantly since September 1994.  :)
 325  */
 326 #define PREHISTORY 780000000
 327
 328 #define MODELEN                 40 + KEYLEN
 329
 330 static struct server *servers_num[64*64];
 331 static privmsg_func_t *privmsg_funcs;
 332 static unsigned int num_privmsg_funcs;
 333 static privmsg_func_t *notice_funcs;
 334 static unsigned int num_notice_funcs;
 335 static struct dict *unbursted_channels;
 336 static char *his_servername;
 337 static char *his_servercomment;
 338 static int extended_accounts;
 339
 340 static struct userNode *AddUser(struct server* uplink, const char *nick, const char *ident, const char *hostname, const char *modes, const char *numeric, const char *userinfo, time_t timestamp, const char *realip);
 341
 342 extern int off_channel;
 343 extern int DefConLevel;
 344 extern int DefConTimeOut;
 345 extern char *DefConChanModes;
 346
 347 static int parse_oplevel(char *str);
 348
 349 char privbuf[512] = "";
 350
 351 /* Numerics can be XYY, XYYY, or XXYYY; with X's identifying the
 352  * server and Y's indentifying the client on that server. */
 353 struct server*
 354 GetServerN(const char *numeric)
 355 {
 356     switch (strlen(numeric)) {
 357     default:
 358         return servers_num[base64toint(numeric, 2)];
 359     case 4:
 360     case 3:
 361     case 1:
 362         return servers_num[base64toint(numeric, 1)];
 363     case 0:
 364         return NULL;
 365     }
 366 }
 367
 368 struct userNode*
 369 GetUserN(const char *numeric) /* using numeric */
 370 {
 371     struct userNode *un;
 372     struct server *s;
 373     int n, slen, ulen;
 374
 375     switch (strlen(numeric)) {
 376     default:
 377         log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): numeric too long!", numeric);
 378         return NULL;
 379     case 5: slen = 2; ulen = 3; break;
 380     case 4: slen = 1; ulen = 3; break;
 381     case 3: slen = 1; ulen = 2; break;
 382     case 2: case 1: case 0:
 383         log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): numeric too short!", numeric);
 384         return NULL;
 385     }
 386     if (!(s = servers_num[base64toint(numeric, slen)])) {
 387         log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): couldn't find server (len=%d)!", numeric, slen);
 388         return NULL;
 389     }
 390     n = base64toint(numeric+slen, ulen) & s->num_mask;
 391     if (!(un = s->users[n])) {
 392         log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s) couldn't find user!", numeric);
 393     }
 394     return un;
 395 }
 396
 397 extern struct userNode *opserv;
 398 static void
 399 check_ctcp(struct userNode *user, struct userNode *bot, char *text, UNUSED_ARG(int server_qualified))
 400 {
 401     char *cmd;
 402     /* if its a version reply, do an alert check (only alerts with version=something) */
 403     if(bot == opserv) {
 404         if(text[0] == '\001') {
 405             text++;
 406             cmd = mysep(&text, " ");
 407             if(!irccasecmp(cmd, "VERSION")) {
 408                 char *version = mysep(&text, "\n");
 409                 if(!version)
 410                     version = "";
 411                 /* opserv_debug("Opserv got CTCP VERSION Notice from %s: %s", user->nick, version); */
 412                 /* TODO: setup a ctcp_funcs thing to handle this and other CTCPS properly */
 413                 user->version_reply = strdup(version);
 414                 /* TODO: put this in the db */
 415                 if(match_ircglob(version, "WebTV;*"))
 416                     user->no_notice = true; /* webbies cant see notices */
 417             }
 418         }
 419     }
 420 }
 421
 422
 423 static void
 424 privmsg_user_helper(struct userNode *un, void *data)
 425 {
 426     struct privmsg_desc *pd = data;
 427     unsigned int num = un->num_local;
 428     if (!pd->is_notice) {
 429         if ((num < num_privmsg_funcs) && privmsg_funcs[num]) {
 430             privmsg_funcs[num](pd->user, un, pd->text, pd->is_qualified);
 431         }
 432     } else {
 433         if ((num < num_notice_funcs) && notice_funcs[num]) {
 434             check_ctcp(pd->user, un, pd->text, pd->is_qualified);
 435             notice_funcs[num](pd->user, un, pd->text, pd->is_qualified);
 436         }
 437     }
 438 }
 439
 440 /* equiv to user doing /connect server port target */
 441 void irc_connect(struct userNode *user, char *server, unsigned int port, struct server *target)
 442 {
 443     putsock("%s " P10_CONNECT " %s %d %s", user->numeric, server, port, target->numeric);
 444 }
 445
 446 void
 447 irc_squit_route(struct server *srv, const char *message, ...)
 448 {
 449     va_list arg_list;
 450     char buffer[MAXLEN];
 451     va_start(arg_list, message);
 452     vsnprintf(buffer, MAXLEN-2, message, arg_list);
 453     buffer[MAXLEN-1] = 0;
 454
 455     /* When would we squit ourselves exactly?? -Rubin */
 456     if(srv == self && cManager.uplink->state == CONNECTED ) {
 457         unsigned int i;
 458
 459         /* Quit all clients linked to me. */
 460         for(i = 0; i <= self->num_mask; i++) {
 461             if(!self->users[i])
 462                 continue;
 463             irc_quit(self->users[i], buffer);
 464         }
 465     }
 466
 467     putsock("%s " P10_SQUIT " %s %d :%s", self->numeric, srv->name, 0, buffer);
 468
 469     if(srv == self) {
 470         /* Force a reconnect to the currently selected server. */
 471         cManager.uplink->tries = 0;
 472         log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", buffer);
 473         close_socket();
 474     }
 475 }
 476
 477 void
 478 irc_server(struct server *srv)
 479 {
 480     char extranum[COMBO_NUMERIC_LEN+1];
 481
 482     inttobase64(extranum, srv->num_mask, (srv->numeric[1] || (srv->num_mask >= 64*64)) ? 3 : 2);
 483     if (srv == self) {
 484         putsock(P10_SERVER " %s %d %li %li J10 %s%s +s6 :%s",
 485                 srv->name, srv->hops+1, srv->boot, srv->link, srv->numeric, extranum, srv->description);
 486     } else {
 487         putsock("%s " P10_SERVER " %s %d %li %li %c10 %s%s +s6 :%s",
 488                 self->numeric, srv->name, srv->hops+1, srv->boot, srv->link, (srv->self_burst ? 'J' : 'P'), srv->numeric, extranum, srv->description);
 489     }
 490 }
 491
 492 void
 493 irc_p10_pton(irc_in_addr_t *ip, const char *input)
 494 {
 495     if (strlen(input) == 6) {
 496         unsigned int value;
 497         memset(ip, 0, 6 * sizeof(ip->in6[0]));
 498         value = base64toint(input, 6);
 499         if (value)
 500             ip->in6[5] = htons(65535);
 501         ip->in6[6] = htons(value >> 16);
 502         ip->in6[7] = htons(value & 65535);
 503     } else {
 504         unsigned int pos = 0;
 505         do {
 506             if (*input == '_') {
 507                 unsigned int left;
 508                 for (left = (25 - strlen(input)) / 3; left; left--)
 509                     ip->in6[pos++] = 0;
 510                 input++;
 511             } else {
 512                 ip->in6[pos++] = ntohs(base64toint(input, 3));
 513                 input += 3;
 514             }
 515         } while (pos < 8);
 516     }
 517 }
 518
 519 void
 520 irc_p10_ntop(char *output, const irc_in_addr_t *ip)
 521 {
 522     if (!irc_in_addr_is_valid(*ip)) {
 523         strcpy(output, "AAAAAA");
 524     } else if (irc_in_addr_is_ipv4(*ip)) {
 525         unsigned int in4;
 526         in4 = (ntohs(ip->in6[6]) << 16) | ntohs(ip->in6[7]);
 527         inttobase64(output, in4, 6);
 528         output[6] = '\0';
 529     } else if (irc_in_addr_is_ipv6(*ip)) {
 530         unsigned int max_start, max_zeros, curr_zeros, zero, ii;
 531         /* Can start by printing out the leading non-zero parts. */
 532         for (ii = 0; (ip->in6[ii]) && (ii < 8); ++ii) {
 533             inttobase64(output, ntohs(ip->in6[ii]), 3);
 534             output += 3;
 535         }
 536         /* Find the longest run of zeros. */
 537         for (max_start = zero = ii, max_zeros = curr_zeros = 0; ii < 8; ++ii) {
 538             if (!ip->in6[ii])
 539                 curr_zeros++;
 540             else if (curr_zeros > max_zeros) {
 541                 max_start = ii - curr_zeros;
 542                 max_zeros = curr_zeros;
 543                 curr_zeros = 0;
 544             }
 545         }
 546         if (curr_zeros > max_zeros) {
 547             max_start = ii - curr_zeros;
 548             max_zeros = curr_zeros;
 549             curr_zeros = 0;
 550         }
 551         /* Print the rest of the address */
 552         for (ii = zero; ii < 8; ) {
 553             if ((ii == max_start) && max_zeros) {
 554                 *output++ = '_';
 555                 ii += max_zeros;
 556             } else {
 557                 inttobase64(output, ntohs(ip->in6[ii]), 3);
 558                 output += 3;
 559             }
 560         }
 561         *output = '\0';
 562     } else {
 563         strcpy(output, "???");
 564     }
 565 }
 566
 567 void
 568 irc_user(struct userNode *user)
 569 {
 570     char b64ip[25];
 571     if (!user)
 572         return;
 573     irc_p10_ntop(b64ip, &user->ip);
 574     if (user->modes) {
 575         int modelen;
 576         char modes[32];
 577
 578         modelen = 0;
 579         if (IsOper(user))
 580             modes[modelen++] = 'o';
 581         if (IsInvisible(user))
 582             modes[modelen++] = 'i';
 583         if (IsWallOp(user))
 584             modes[modelen++] = 'w';
 585         if (IsService(user))
 586             modes[modelen++] = 'k';
 587         if (IsServNotice(user))
 588             modes[modelen++] = 's';
 589         if (IsDeaf(user))
 590             modes[modelen++] = 'd';
 591         if (IsGlobal(user))
 592             modes[modelen++] = 'g';
 593         // sethost - reed/apples
 594         // if (IsHelperIrcu(user))
 595         if (IsSetHost(user))
 596             modes[modelen++] = 'h';
 597         if (IsFakeHost(user))
 598             modes[modelen++] = 'f';
 599         if (IsHiddenHost(user))
 600             modes[modelen++] = 'x';
 601         if (IsBotM(user))
 602             modes[modelen++] = 'B';
 603         if (IsHideChans(user))
 604             modes[modelen++] = 'n';
 605         if (IsHideIdle(user))
 606             modes[modelen++] = 'I';
 607         if (IsXtraOp(user))
 608             modes[modelen++] = 'X';
 609
 610         modes[modelen] = 0;
 611
 612         /* we don't need to put the + in modes because it's in the format string. */
 613         putsock("%s " P10_NICK " %s %d %li %s %s +%s %s %s :%s",
 614                 user->uplink->numeric, user->nick, user->uplink->hops+1, user->timestamp, user->ident, user->hostname, modes, b64ip, user->numeric, user->info);
 615     } else {
 616         putsock("%s " P10_NICK " %s %d %li %s %s %s %s :%s",
 617                 user->uplink->numeric, user->nick, user->uplink->hops+1, user->timestamp, user->ident, user->hostname, b64ip, user->numeric, user->info);
 618     }
 619 }
 620
 621 void
 622 irc_rename(struct userNode *user, const char *new_handle)
 623 {
 624     if(extended_accounts)
 625         putsock("%s " P10_ACCOUNT " %s M %s", self->numeric, user->numeric, new_handle);
 626 }
 627
 628 void
 629 irc_delete(struct userNode *user)
 630 {
 631     if(extended_accounts)
 632         putsock("%s " P10_ACCOUNT " %s U", self->numeric, user->numeric);
 633 }
 634
 635 void
 636 irc_account(struct userNode *user, const char *stamp, time_t timestamp)
 637 {
 638     if(extended_accounts)
 639         putsock("%s " P10_ACCOUNT " %s R %s %lu", self->numeric, user->numeric, stamp, timestamp);
 640     else
 641         putsock("%s " P10_ACCOUNT " %s %s %lu", self->numeric, user->numeric, stamp, timestamp);
 642 }
 643
 644 void
 645 irc_fakehost(struct userNode *user, const char *host)
 646 {
 647     putsock("%s " P10_FAKEHOST " %s %s", self->numeric, user->numeric, host);
 648 }
 649
 650 void
 651 irc_regnick(UNUSED_ARG(struct userNode *user))
 652 {
 653     /* no operation here */
 654 }
 655
 656 void
 657 irc_nick(struct userNode *user, UNUSED_ARG(const char *old_nick))
 658 {
 659     putsock("%s " P10_NICK " %s "FMT_TIME_T, user->numeric, user->nick, now);
 660 }
 661
 662 void
 663 irc_fetchtopic(struct userNode *from, const char *to)
 664 {
 665     if (!from || !to)
 666         return;
 667     putsock("%s " P10_TOPIC " %s", from->numeric, to);
 668 }
 669
 670 void
 671 irc_squit(struct server *srv, const char *message, const char *service_message)
 672 {
 673     if (!service_message)
 674         service_message = message;
 675
 676     /* Are we leaving the network? */
 677     if (srv == self && cManager.uplink->state == CONNECTED) {
 678         unsigned int i;
 679
 680         /* Quit all clients linked to me. */
 681         for (i = 0; i <= self->num_mask; i++) {
 682             if (!self->users[i])
 683                 continue;
 684             irc_quit(self->users[i], service_message);
 685         }
 686     }
 687
 688     putsock("%s " P10_SQUIT " %s %d :%s", self->numeric, srv->name, 0, message);
 689
 690     if (srv == self) {
 691         /* Force a reconnect to the currently selected server. */
 692         cManager.uplink->tries = 0;
 693         log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", message);
 694         close_socket();
 695     }
 696 }
 697
 698 void
 699 irc_wallchops(struct userNode *from, const char *to, const char *message)
 700 {
 701     putsock("%s " P10_WALLCHOPS " %s :%s", from->numeric, to, message);
 702 }
 703
 704 void
 705 irc_wallops(const char *format, ...)
 706 {
 707     va_list arg_list;
 708     char buffer[MAXLEN];
 709     va_start(arg_list, format);
 710     vsnprintf(buffer, MAXLEN-2, format, arg_list);
 711     buffer[MAXLEN-1] = 0;
 712     putsock("%s " P10_WALLOPS " :%s", self->numeric, buffer);
 713 }
 714
 715
 716 void
 717 irc_notice(struct userNode *from, const char *to, const char *message)
 718 {
 719     putsock("%s " P10_NOTICE " %s :%s", from->numeric, to, message);
 720 }
 721
 722 void
 723 irc_notice_user(struct userNode *from, struct userNode *to, const char *message)
 724 {
 725     putsock("%s " P10_NOTICE " %s :%s", from->numeric, to->numeric, message);
 726 }
 727
 728 void
 729 irc_privmsg(struct userNode *from, const char *to, const char *message)
 730 {
 731     putsock("%s " P10_PRIVMSG " %s :%s", from->numeric, to, message);
 732 }
 733
 734 void
 735 irc_privmsg_user(struct userNode *from, struct userNode *to, const char *message)
 736 {
 737     putsock("%s " P10_PRIVMSG " %s :%s", from->numeric, to->numeric, message);
 738 }
 739
 740 void
 741 irc_version_user(struct userNode *from, struct userNode *to)
 742 {
 743     irc_privmsg_user(from, to, "\001VERSION\001");
 744 }
 745
 746 void
 747 irc_eob(void)
 748 {
 749     putsock("%s " P10_EOB, self->numeric);
 750 }
 751
 752 void
 753 irc_eob_ack(void)
 754 {
 755     putsock("%s " P10_EOB_ACK, self->numeric);
 756
 757     char *nick;
 758     const char *str;
 759     str = conf_get_data("services/opserv/nick", RECDB_QSTRING);
 760     nick = strdup(str);
 761
 762     if (nick && (DefConLevel < 5)) {
 763         DefConProcess(GetUserH(nick));
 764
 765         if (DefConTimeOut > 0)
 766             timeq_add(now + DefConTimeOut, defcon_timeout, NULL);
 767     }
 768 }
 769
 770 void
 771 irc_rpong(const char *from1, const char *from2, const char *pingtime, const char *clientinfo)
 772 {
 773     putsock("%s " P10_RPONG " %s %s %s :%s", self->numeric, from1, from2, pingtime, clientinfo);
 774 }
 775
 776 void
 777 irc_ping(const char *payload)
 778 {
 779     putsock("%s " P10_PING " :%s", self->numeric, payload);
 780 }
 781
 782 void
 783 irc_pong(const char *who, const char *data)
 784 {
 785     putsock("%s " P10_PONG " %s :%s", self->numeric, who, data);
 786 }
 787
 788 void
 789 irc_pong_asll(const char *who, const char *orig_ts)
 790 {
 791     char *delim;
 792     struct timeval orig;
 793     struct timeval now;
 794     int diff;
 795
 796     orig.tv_sec = strtoul(orig_ts, &delim, 10);
 797     orig.tv_usec = (*delim == '.') ? strtoul(delim + 1, NULL, 10) : 0;
 798     gettimeofday(&now, NULL);
 799     diff = (now.tv_sec - orig.tv_sec) * 1000 + (now.tv_usec - orig.tv_usec) / 1000;
 800     putsock("%s " P10_PONG " %s %s %d " FMT_TIME_T ".%06u", self->numeric, who, orig_ts, diff, now.tv_sec, (unsigned)now.tv_usec);
 801 }
 802
 803 void
 804 irc_pass(const char *passwd)
 805 {
 806     putsock(P10_PASS " :%s", passwd);
 807 }
 808
 809 void
 810 irc_introduce(const char *passwd)
 811 {
 812     void timed_send_ping(void *data);
 813
 814     self->self_burst = self->burst = 1;
 815     irc_pass(passwd);
 816     irc_server(self);
 817     burst_length = 0;
 818     timeq_add(now + ping_freq, timed_send_ping, 0);
 819 }
 820
 821 void
 822 irc_gline(struct server *srv, struct gline *gline, int silent)
 823 {
 824     putsock("%s " P10_GLINE " %s +%s %ld %ld :%s<%s> %s",
 825             self->numeric, (srv ? srv->numeric : "*"), gline->target, gline->expires-now, now, silent ? "AUTO " : "", gline->issuer, gline->reason);
 826 }
 827
 828 void
 829 irc_shun(struct server *srv, struct shun *shun)
 830 {
 831     putsock("%s " P10_SHUN " %s +%s %ld :<%s> %s",
 832             self->numeric, (srv ? srv->numeric : "*"), shun->target, shun->expires-now, shun->issuer, shun->reason);
 833 }
 834
 835 void
 836 irc_settime(const char *srv_name_mask, time_t new_time)
 837 {
 838     ioset_set_time(new_time);
 839     if (!strcmp(srv_name_mask, "*"))
 840         srv_name_mask = "";
 841     putsock("%s " P10_SETTIME " " FMT_TIME_T " %s", self->numeric, new_time, srv_name_mask);
 842 }
 843
 844 void
 845 irc_ungline(const char *mask)
 846 {
 847     putsock("%s " P10_GLINE " * -%s", self->numeric, mask);
 848 }
 849
 850 void
 851 irc_unshun(const char *mask)
 852 {
 853     putsock("%s " P10_SHUN " * -%s", self->numeric, mask);
 854 }
 855
 856 static void
 857 irc_burst(struct chanNode *chan)
 858 {
 859     char burst_line[512];
 860     int pos, base_len, len;
 861     struct modeNode *mn;
 862     struct banNode *bn;
 863     struct exemptNode *en;
 864     long last_mode=-1;
 865     unsigned int n;
 866
 867     base_len = sprintf(burst_line, "%s " P10_BURST " %s " FMT_TIME_T " ",
 868                        self->numeric, chan->name, chan->timestamp);
 869     len = irc_make_chanmode(chan, burst_line+base_len);
 870     pos = base_len + len;
 871     if (len)
 872         burst_line[pos++] = ' ';
 873
 874     if(chan->members.used < 1)
 875         return; /* dont burst empty channels (created by discrims) */
 876     /* dump the users */
 877     for (n=0; n<chan->members.used; n++) {
 878         mn = chan->members.list[n];
 879         if (pos > 500) {
 880             burst_line[pos-1] = 0; /* -1 to back up over the space or comma */
 881             putsock("%s", burst_line);
 882             pos = base_len;
 883             last_mode = -1;
 884         }
 885
 886         memcpy(burst_line+pos, mn->user->numeric, strlen(mn->user->numeric));
 887         pos += strlen(mn->user->numeric);
 888         if (mn->modes && (mn->modes != last_mode)) {
 889             last_mode = mn->modes;
 890             burst_line[pos++] = ':';
 891             if (last_mode & MODE_CHANOP)
 892                 burst_line[pos++] = 'o';
 893             if (last_mode & MODE_HALFOP)
 894                 burst_line[pos++] = 'h';
 895             if (last_mode & MODE_VOICE)
 896                 burst_line[pos++] = 'v';
 897         }
 898         if ((n+1)<chan->members.used)
 899             burst_line[pos++] = ',';
 900     }
 901     if (chan->banlist.used) {
 902         /* dump the bans */
 903         if (pos+2+strlen(chan->banlist.list[0]->ban) > 505) {
 904             burst_line[pos-1] = 0;
 905             putsock("%s", burst_line);
 906             pos = base_len;
 907         } else {
 908             burst_line[pos++] = ' ';
 909         }
 910
 911         burst_line[pos++] = ':';
 912         burst_line[pos++] = '%';
 913         base_len = pos;
 914         for (n=0; n<chan->banlist.used; n++) {
 915             bn = chan->banlist.list[n];
 916             len = strlen(bn->ban);
 917             if (pos+len+1 > 510) {
 918                 burst_line[pos-1] = 0; /* -1 to back up over the space or comma */
 919                 putsock("%s", burst_line);
 920                 pos = base_len;
 921             }
 922             memcpy(burst_line+pos, bn->ban, len);
 923             pos += len;
 924             burst_line[pos++] = ' ';
 925         }
 926     }
 927     if (chan->exemptlist.used) {
 928         /* dump the exempt */
 929         if (pos+2+strlen(chan->exemptlist.list[0]->exempt) > 505) {
 930             burst_line[pos-1] = 0;
 931             putsock("%s", burst_line);
 932             pos = base_len;
 933         } else {
 934             burst_line[pos++] = ' ';
 935         }
 936
 937         burst_line[pos++] = ' ';
 938         burst_line[pos++] = '~';
 939         burst_line[pos++] = ' ';
 940         base_len = pos;
 941         for (n=0; n<chan->exemptlist.used; n++) {
 942             en = chan->exemptlist.list[n];
 943             len = strlen(en->exempt);
 944             if (pos+len+1 > 510) {
 945                 burst_line[pos-1] = 0; /* -1 to back up over the space or comma */
 946                 putsock("%s", burst_line);
 947                 pos = base_len;
 948             }
 949             memcpy(burst_line+pos, en->exempt, len);
 950             pos += len;
 951             burst_line[pos++] = ' ';
 952         }
 953     }
 954     /* print the last line */
 955     burst_line[pos] = 0;
 956     putsock("%s", burst_line);
 957 }
 958
 959 void
 960 irc_quit(struct userNode *user, const char *message)
 961 {
 962     putsock("%s " P10_QUIT " :%s", user->numeric, message);
 963 }
 964
 965 void
 966 irc_error(const char *to, const char *message)
 967 {
 968     if (to) {
 969         putsock("%s " P10_ERROR " :%s", to, message);
 970     } else {
 971         putsock(":%s " P10_ERROR " :%s", self->name, message);
 972     }
 973 }
 974
 975 void
 976 irc_kill(struct userNode *from, struct userNode *target, const char *message)
 977 {
 978     if (from) {
 979         putsock("%s " P10_KILL " %s :%s!%s (%s)",
 980                 from->numeric, target->numeric, self->name, from->nick, message);
 981     } else {
 982         putsock("%s " P10_KILL " %s :%s (%s)",
 983                 self->numeric, target->numeric, self->name, message);
 984     }
 985 }
 986
 987 void
 988 irc_mode(struct userNode *from, struct chanNode *target, const char *modes)
 989 {
 990     call_channel_mode_funcs(from, target, (char **)&modes, 0);
 991     putsock("%s " P10_MODE " %s %s "FMT_TIME_T,
 992             (from ? from->numeric : self->numeric),
 993             target->name, modes, target->timestamp);
 994 }
 995
 996 /* Added to allow services to mode users
 997    2005 - 8 - 10 by Life4Christ
 998 */
 999 void
1000 irc_umode(struct userNode *target, const char *modes)
1001 {
1002     putsock("%s " P10_MODE " %s %s ",self->numeric,target->nick, modes);
1003 }
1004
1005
1006 void
1007 irc_invite(struct userNode *from, struct userNode *who, struct chanNode *to)
1008 {
1009     putsock("%s " P10_INVITE " %s %s", from->numeric, who->nick, to->name);
1010 }
1011
1012 void
1013 irc_silence(struct userNode *who, const char *mask, int add)
1014 {
1015     putsock("%s " P10_SILENCE " %s %s%s", self->numeric, who->numeric, add ? "+" : "-", mask);
1016 }
1017
1018 void
1019 irc_join(struct userNode *who, struct chanNode *what)
1020 {
1021     if (what->members.used == 1) {
1022         putsock("%s " P10_CREATE " %s %lu",
1023                 who->numeric, what->name, what->timestamp);
1024     } else {
1025         putsock("%s " P10_JOIN " %s %lu", who->numeric, what->name, what->timestamp);
1026     }
1027 }
1028
1029 void
1030 irc_svsjoin(struct userNode *from, struct userNode *who, struct chanNode *to)
1031 {
1032     putsock("%s " P10_SVSJOIN " %s %s "FMT_TIME_T, from->uplink->numeric, who->numeric, to->name, now);
1033 }
1034
1035 void
1036 irc_svspart(struct userNode *from, struct userNode *who, struct chanNode *to)
1037 {
1038     putsock("%s " P10_SVSPART " %s %s", from->uplink->numeric, who->numeric, to->name);
1039 }
1040
1041 void
1042 irc_svsquit(struct userNode *from, struct userNode *who, char *reason)
1043 {
1044     putsock("%s " P10_SVSQUIT " %s :%s", from->uplink->numeric, who->numeric, reason);
1045 }
1046
1047 void
1048 irc_kick(struct userNode *who, struct userNode *target, struct chanNode *channel, const char *msg)
1049 {
1050     const char *numeric;
1051     struct modeNode *mn = GetUserMode(channel, who);
1052     numeric = ((mn && (mn->modes & MODE_CHANOP)) || off_channel) ? who->numeric : self->numeric;
1053     putsock("%s " P10_KICK " %s %s :%s",
1054             numeric, channel->name, target->numeric, msg);
1055 }
1056
1057 void
1058 irc_stats(struct userNode *from, struct server *target, char type)
1059 {
1060     putsock("%s " P10_STATS " %c :%s", from->numeric, type, target->numeric);
1061 }
1062
1063 void
1064 irc_svsnick(struct userNode *from, struct userNode *target, const char *newnick)
1065 {
1066     putsock("%s " P10_SVSNICK " %s %s "FMT_TIME_T, from->uplink->numeric, target->numeric, newnick, now);
1067 }
1068
1069 void
1070 irc_swhois(struct userNode *from, struct userNode *target, const char *message)
1071 {
1072     putsock("%s " P10_SWHOIS " %s %s%s", from->uplink->numeric, target->numeric, message ? ":" : "",
1073                                          message ? message : "");
1074
1075 }
1076
1077 void
1078 irc_part(struct userNode *who, struct chanNode *what, const char *reason)
1079 {
1080     if (reason) {
1081         putsock("%s " P10_PART " %s :%s", who->numeric, what->name, reason);
1082     } else {
1083         putsock("%s " P10_PART " %s", who->numeric, what->name);
1084     }
1085 }
1086
1087 void
1088 irc_topic(struct userNode *service, struct userNode *who, struct chanNode *what, const char *topic)
1089 {
1090
1091    int type = 4;
1092    int host_in_topic = 0;
1093    const char *hstr, *tstr;
1094    char *host, *hostmask;
1095    char shost[MAXLEN];
1096    char sident[MAXLEN];
1097
1098    tstr = conf_get_data("server/type", RECDB_QSTRING);
1099    hstr = conf_get_data("server/host_in_topic", RECDB_QSTRING);
1100    if(tstr)
1101      type = atoi(tstr);
1102    else
1103      type = 4;/* default to 040 style topics */
1104
1105    if (hstr) {
1106       if (IsFakeHost(who))
1107           safestrncpy(shost, who->fakehost, sizeof(shost));
1108       else if (IsSetHost(who)) {
1109           hostmask = strdup(who->sethost);
1110           if ((host = (strrchr(hostmask, '@'))))
1111               *host++ = '\0';
1112           else
1113               host = hostmask;
1114
1115           safestrncpy(sident, hostmask, sizeof(shost));
1116           safestrncpy(shost, host, sizeof(shost));
1117       } else
1118           safestrncpy(shost, who->hostname, sizeof(shost));
1119
1120       host_in_topic = atoi(hstr);
1121    }
1122
1123    if (type >= 5) {
1124      putsock("%s " P10_TOPIC " %s %s%s%s%s%s " FMT_TIME_T " " FMT_TIME_T " :%s", service->numeric, what->name,
1125              who->nick, host_in_topic ? "!" : "", host_in_topic ? (IsSetHost(who) ? sident : who->ident) : "",
1126              host_in_topic ? "@" : "", host_in_topic ? shost : "", what->timestamp, now, topic);
1127    } else {
1128      who = service;
1129      putsock("%s " P10_TOPIC " %s :%s", who->numeric, what->name, topic);
1130    }
1131 }
1132
1133 void
1134 irc_raw(const char *what)
1135 {
1136     putsock("%s", what);
1137 }
1138
1139 void
1140 irc_numeric(struct userNode *user, unsigned int num, const char *format, ...)
1141 {
1142     va_list arg_list;
1143     char buffer[MAXLEN];
1144     va_start(arg_list, format);
1145     vsnprintf(buffer, MAXLEN-2, format, arg_list);
1146     buffer[MAXLEN-1] = 0;
1147     putsock(":%s %03d %s %s", self->name, num, user->nick, buffer);
1148 }
1149
1150 void
1151 irc_mark(struct userNode *user, char *mark)
1152 {
1153     char *host = user->hostname;
1154
1155     /* TODO: Allow mark overwrite. If they are marked, and their fakehost is oldmark.hostname, update it to newmark.hostname so mark can be called multiple times. Probably requires ircd modification also */
1156     if(user->mark)
1157         return;
1158
1159     /* if the mark will put us over the  host length, clip some off the left hand side
1160      * to make room...
1161      */
1162     if(strlen(host) + 1 + strlen(mark) > HOSTLEN)
1163         host += 1 + ( (strlen(host) + 1 + strlen(mark)) - HOSTLEN );
1164     putsock("%s " CMD_MARK " %s DNSBL +m %s.%s", self->numeric, user->nick, mark, host);
1165     putsock("%s " CMD_MARK " %s DNSBL_DATA %s", self->numeric, user->nick, mark);
1166
1167     /* Save it in the user */
1168     user->mark = strdup(mark);
1169
1170     /* If they are not otherwise marked, mark their host with fakehost */
1171     if(!IsFakeHost(user) && !IsSetHost(user) && !(IsHiddenHost(user) && user->handle_info) )
1172     {
1173         struct modeNode *mn = NULL;
1174         char fakehost[HOSTLEN];
1175         unsigned int count = 0;
1176         unsigned int n = 0;
1177
1178         putsock("%s " CMD_FAKEHOST " %s %s.%s", self->numeric, user->numeric, mark, host);
1179         putsock("%s " CMD_MODE " %s +x", self->numeric, user->nick);
1180
1181         snprintf(fakehost, sizeof(fakehost), "%s.%s", mark, host);
1182         safestrncpy(user->fakehost, fakehost, sizeof(user->fakehost));
1183
1184         for (n=count=0; n<user->channels.used; n++) {
1185             mn = user->channels.list[n];
1186             if (strlen(mn->channel->name) >= 1) /* Sanity */
1187                 check_bans(user, mn->channel->name);
1188         }
1189     }
1190 }
1191
1192 static void send_burst(void);
1193
1194 static void
1195 change_nicklen(int new_nicklen)
1196 {
1197     unsigned int nn;
1198     char new_nick[NICKLEN+1];
1199     struct userNode *user;
1200
1201     nicklen = new_nicklen;
1202     /* fix up any users we have here */
1203     for (nn=0; nn<=self->num_mask; nn++) {
1204         if (!(user = self->users[nn]))
1205             continue;
1206         safestrncpy(new_nick, user->nick, sizeof(new_nick));
1207         new_nick[nicklen] = 0;
1208         NickChange(user, new_nick, 1);
1209     }
1210 }
1211
1212 static CMD_FUNC(cmd_whois)
1213 {
1214     struct userNode *from;
1215     struct userNode *who;
1216
1217     if (argc < 3)
1218         return 0;
1219     if (!(from = GetUserH(origin))) {
1220         log_module(MAIN_LOG, LOG_ERROR, "Could not find WHOIS origin user %s", origin);
1221         return 0;
1222     }
1223     if(!(who = GetUserH(argv[2]))) {
1224         irc_numeric(from, ERR_NOSUCHNICK, "%s@%s :No such nick", argv[2], self->name);
1225         return 1;
1226     }
1227     if (IsHiddenHost(who) && !IsOper(from)) {
1228         /* Just stay quiet. */
1229         return 1;
1230     }
1231     irc_numeric(from, RPL_WHOISUSER, "%s %s %s * :%s", who->nick, who->ident, who->hostname, who->info);
1232     if (his_servername && his_servercomment)
1233         irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, his_servername, his_servercomment);
1234     else
1235         irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, who->uplink->name, who->uplink->description);
1236     if (IsOper(who))
1237         irc_numeric(from, RPL_WHOISOPERATOR, "%s :is a megalomaniacal power hungry tyrant", who->nick);
1238     irc_numeric(from, RPL_ENDOFWHOIS, "%s :End of /WHOIS list", who->nick);
1239     return 1;
1240 }
1241
1242 static CMD_FUNC(cmd_server)
1243 {
1244     struct server *srv;
1245     const char *str;
1246
1247     if (argc < 8)
1248         return 0;
1249     if (self->uplink) {
1250         /* another server introduced us */
1251         srv = AddServer(GetServerH(origin), argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
1252         if (!srv)
1253             return 0;
1254         srv->self_burst = argv[5][0] == 'J';
1255         srv->burst = 1;
1256     } else {
1257         /* this must be our uplink */
1258         srv = self->uplink = AddServer(self, argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
1259         if (!srv)
1260             return 0;
1261         srv->self_burst = argv[5][0] == 'J';
1262         srv->burst = 1;
1263         if ((argv[7][0] == '+') && !force_n2k) {
1264             log_module(MAIN_LOG, LOG_WARNING, "Got Undernet-style SERVER message but \"force_n2k\" not on.");
1265         }
1266         send_burst();
1267     }
1268
1269     /* Fix up our timestamps if necessary. */
1270     if (srv->boot <= PREHISTORY) {
1271         /* Server from the mists of time.. */
1272         if (srv->hops == 1) {
1273             log_module(MAIN_LOG, LOG_ERROR, "Server %s claims to have booted at time "FMT_TIME_T".  This is absurd.", srv->name, srv->boot);
1274         }
1275     } else if ((str = conf_get_data("server/reliable_clock", RECDB_QSTRING))
1276                && enabled_string(str)) {
1277         /* If we have a reliable clock, we just keep our current time. */
1278     } else {
1279         if (srv->boot <= self->boot) {
1280             /* The other server is older than us.  Accept their timestamp.
1281              * Alternately, we are same age, but we accept their time
1282              * since we are linking to them. */
1283             self->boot = srv->boot;
1284             ioset_set_time(srv->link);
1285         }
1286     }
1287     if (srv == self->uplink) {
1288         extern time_t burst_begin;
1289         burst_begin = now;
1290     }
1291     return 1;
1292 }
1293
1294
1295 static CMD_FUNC(cmd_eob)
1296 {
1297     struct server *sender;
1298     dict_iterator_t it;
1299     unsigned int ii;
1300
1301     if (!(sender = GetServerH(origin)))
1302         return 0;
1303     if (sender == self->uplink) {
1304         cManager.uplink->state = CONNECTED;
1305         for (it = dict_first(unbursted_channels); it; it = iter_next(it))
1306             irc_burst(iter_data(it));
1307         dict_delete(unbursted_channels);
1308         unbursted_channels = NULL;
1309         irc_eob();
1310         irc_eob_ack();
1311
1312         /* now that we know who our uplink is,
1313          * we can center the routing map and activate auto-routing.
1314          */
1315         //activate_routing(NULL, NULL, NULL);
1316         routing_init();
1317     }
1318     sender->self_burst = 0;
1319     recalc_bursts(sender);
1320     for (ii=0; ii<slf_used; ii++)
1321         slf_list[ii](sender);
1322     /* let auto-routing figure out if we were
1323      * wating on this server to link a child to it */
1324     /* DONT call this if uplink is _US_ */
1325     if(sender->uplink != self)
1326         routing_handle_connect(sender->name, sender->uplink->name);
1327     return 1;
1328 }
1329
1330 static CMD_FUNC(cmd_eob_ack)
1331 {
1332     extern time_t burst_begin;
1333
1334     if (GetServerH(origin) == self->uplink) {
1335         burst_length = now - burst_begin;
1336         self->self_burst = self->burst = 0;
1337     }
1338     cManager.uplink->state = CONNECTED;
1339     return 1;
1340 }
1341
1342 static CMD_FUNC(cmd_rping)
1343 {
1344     struct server *dest;
1345
1346     if (!(dest = GetServerN(argv[1])))
1347         return 1; /* if its a jupe or something, return 1 so its silently ignored */
1348
1349     if (dest == self)
1350         irc_rpong(argv[2], argv[3], argv[4], argv[5]);
1351
1352     return 1;
1353 }
1354
1355 static CMD_FUNC(cmd_ping)
1356 {
1357     struct server *srv;
1358     struct userNode *un;
1359
1360     if (argc > 3)
1361         irc_pong_asll(argv[2], argv[3]);
1362     else if ((srv = GetServerH(origin)))
1363         irc_pong(self->name, srv->numeric);
1364     else if ((un = GetUserH(origin)))
1365         irc_pong(self->name, un->numeric);
1366     else
1367         irc_pong(self->name, origin);
1368
1369     timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1370     timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1371     timeq_add(now + ping_freq, timed_send_ping, 0);
1372     received_ping();
1373     return 1;
1374 }
1375
1376 static CMD_FUNC(cmd_error_nick)
1377 {
1378     /* Go back to original IRC length .. and try to reconnect :/ */
1379     change_nicklen(9);
1380     irc_squit(self, "Got erroneous nickname, truncating nicks.", NULL);
1381     return 1;
1382 }
1383
1384 struct create_desc {
1385     struct userNode *user;
1386     time_t when;
1387 };
1388
1389 static void
1390 join_helper(struct chanNode *chan, void *data)
1391 {
1392     struct create_desc *cd = data;
1393     AddChannelUser(cd->user, chan);
1394 }
1395
1396 static void
1397 create_helper(char *name, void *data)
1398 {
1399     struct create_desc *cd = data;
1400
1401     if (!strcmp(name, "0")) {
1402         while (cd->user->channels.used > 0)
1403             DelChannelUser(cd->user, cd->user->channels.list[0]->channel, 0, 0);
1404         return;
1405     }
1406
1407     AddChannelUser(cd->user, AddChannel(name, cd->when, NULL, NULL, NULL));
1408 }
1409
1410 static CMD_FUNC(cmd_create)
1411 {
1412     struct create_desc cd;
1413     struct userNode *user;
1414
1415     if ((argc < 3) || !(user = GetUserH(origin)))
1416         return 0;
1417     cd.user = user;
1418     cd.when = atoi(argv[2]);
1419     parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
1420     return 1;
1421 }
1422
1423 static CMD_FUNC(cmd_join)
1424 {
1425     struct create_desc cd;
1426
1427     if (!(cd.user = GetUserH(origin)))
1428         return 0;
1429     if (argc < 2)
1430         return 0;
1431     else if (argc < 3)
1432         cd.when = now;
1433     else
1434         cd.when = atoi(argv[2]);
1435     parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
1436     return 1;
1437 }
1438
1439 static CMD_FUNC(cmd_svsjoin)
1440 {
1441     struct create_desc cd;
1442
1443     if (!(cd.user = GetUserH(argv[1])))
1444         return 0;
1445     if (argc < 3)
1446         return 0;
1447     else if (argc < 4)
1448         cd.when = now;
1449     else
1450         cd.when = atoi(argv[3]);
1451     parse_foreach(argv[2], join_helper, create_helper, NULL, NULL, &cd);
1452     return 1;
1453 }
1454
1455 static CMD_FUNC(cmd_pong)
1456 {
1457     if (argc < 3)
1458         return 0;
1459     if (!strcmp(argv[2], self->name)) {
1460         timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1461         timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1462         timeq_add(now + ping_freq, timed_send_ping, 0);
1463         received_ping();
1464     }
1465     return 1;
1466 }
1467
1468 static CMD_FUNC(cmd_nick)
1469 {
1470     struct userNode *user;
1471     if ((user = GetUserH(origin))) {
1472         /* nick change (since the source is a user numeric) */
1473         if (argc < 2)
1474             return 0;
1475         NickChange(user, argv[1], 1);
1476     } else {
1477         struct server *serv;
1478         struct userNode *nuser;
1479         char modes[MAXLEN];
1480         /* new nick */
1481         if (argc < 9)
1482             return 0;
1483         serv = GetServerH(origin);
1484         if (argc > 9)
1485             unsplit_string(argv+6, argc-9, modes);
1486         else
1487             strcpy(modes, "+");
1488         nuser = AddUser(serv, argv[1], argv[4], argv[5], modes, argv[argc-2], argv[argc-1], atoi(argv[3]), argv[argc-3]);
1489     }
1490     return 1;
1491 }
1492
1493 static CMD_FUNC(cmd_account)
1494 {
1495     struct userNode *user;
1496     struct server *server;
1497     struct handle_info *hi;
1498
1499     if ((argc < 3) || !origin || !(server = GetServerH(origin)))
1500         return 0; /* Origin must be server. */
1501
1502     /* This next line appears to tremple origin.. why? */
1503     user = GetUserN(argv[1]);
1504     if (!user)
1505         return 1; /* A QUIT probably passed the ACCOUNT. */
1506
1507     if(!extended_accounts) /* any need for this function without? */
1508         return 1;
1509
1510     if(!strcmp(argv[2],"C"))
1511     {
1512         if((hi = loc_auth(argv[4], argv[5], NULL)))
1513         {
1514             /* Return a AC A */
1515             putsock("%s " P10_ACCOUNT " %s A %s %lu", self->numeric, server->numeric , argv[3], hi->registered);
1516
1517         }
1518         else
1519         {
1520             /* Return a AC D */
1521             putsock("%s " P10_ACCOUNT " %s D %s", self->numeric, server->numeric , argv[3]);
1522         }
1523         return 1;
1524     }
1525     else if(!strcmp(argv[2],"H")) /* New enhanced (host) version of C */
1526     {
1527         if((hi = loc_auth(argv[5], argv[6], argv[4] )))
1528         {
1529             /* Return a AC A */
1530             putsock("%s " P10_ACCOUNT " %s A %s %lu", self->numeric, server->numeric , argv[3], hi->registered);
1531
1532         }
1533         else
1534         {
1535             /* Return a AC D */
1536             putsock("%s " P10_ACCOUNT " %s D %s", self->numeric, server->numeric , argv[3]);
1537         }
1538         return 1;
1539     }
1540     else if(!strcmp(argv[2],"R"))
1541        call_account_func(user, argv[3]);
1542     else
1543         call_account_func(user, argv[2]); /* For backward compatability */
1544     return 1;
1545 }
1546
1547 static CMD_FUNC(cmd_fakehost)
1548 {
1549     struct userNode *user;
1550
1551     if ((argc < 3) || !origin || !GetServerH(origin))
1552         return 0;
1553     if (!(user = GetUserN(argv[1])))
1554         return 1;
1555     assign_fakehost(user, argv[2], 0);
1556     return 1;
1557 }
1558
1559 static struct {
1560   char        *name;
1561   unsigned int priv;
1562 } privtab[] = {
1563 #define P(priv)         { #priv, PRIV_ ## priv }
1564   P(CHAN_LIMIT),     P(MODE_LCHAN),     P(WALK_LCHAN),    P(DEOP_LCHAN),
1565   P(SHOW_INVIS),     P(SHOW_ALL_INVIS), P(UNLIMIT_QUERY), P(KILL),
1566   P(LOCAL_KILL),     P(REHASH),         P(RESTART),       P(DIE),
1567   P(GLINE),          P(LOCAL_GLINE),    P(JUPE),          P(LOCAL_JUPE),
1568   P(OPMODE),         P(LOCAL_OPMODE),   P(SET),           P(WHOX),
1569   P(BADCHAN),        P(LOCAL_BADCHAN),  P(SEE_CHAN),      P(PROPAGATE),
1570   P(DISPLAY),        P(SEE_OPERS),      P(WIDE_GLINE),    P(FORCE_OPMODE),
1571   P(FORCE_LOCAL_OPMODE), P(REMOTEREHASH), P(CHECK), P(SEE_SECRET_CHAN),
1572   P(SHUN),           P(LOCAL_SHUN),     P(WIDE_SHUN),     P(ZLINE),
1573   P(LOCAL_ZLINE),    P(WIDE_ZLINE),     P(LIST_CHAN),     P(WHOIS_NOTICE),
1574   P(HIDE_IDLE),      P(XTRAOP),         P(HIDE_CHANNELS),
1575 #undef P
1576   { 0, 0 }
1577 };
1578
1579 char *client_report_privs(struct userNode *client)
1580 {
1581   int i;
1582
1583   privbuf[0] = '\0';
1584   for (i = 0; privtab[i].name; i++) {
1585     if (HasPriv(client, privtab[i].priv)) {
1586       strcat(privbuf, privtab[i].name);
1587       strcat(privbuf, " ");
1588     }
1589   }
1590
1591   privbuf[strlen(privbuf)] = 0;
1592
1593   return privbuf;
1594 }
1595
1596 int client_modify_priv_by_name(struct userNode *who, char *priv, int what) {
1597  int i = 0;
1598  assert(0 != priv);
1599  assert(0 != who);
1600
1601   for (i = 0; privtab[i].name; i++) {
1602     if (0 == strcmp(privtab[i].name, priv)) {
1603       if (what == PRIV_ADD)
1604         GrantPriv(who, privtab[i].priv);
1605       else if (what == PRIV_DEL) {
1606         RevokePriv(who, privtab[i].priv);
1607       }
1608     }
1609   }
1610   return 0;
1611 }
1612
1613 int check_priv(char *priv)
1614 {
1615   int i;
1616
1617   for (i = 0; privtab[i].name; i++) {
1618     if (0 == strcmp(privtab[i].name, priv)) {
1619       return 1;
1620     }
1621   }
1622   return 0;
1623 }
1624
1625 void
1626 irc_privs(struct userNode *target, char *flag, int add)
1627 {
1628     client_modify_priv_by_name(target, flag, add);
1629     putsock("%s " P10_PRIVS " %s %s%s", self->numeric, target->numeric, (add == PRIV_ADD) ? "+" : "-", flag);
1630 }
1631
1632 static CMD_FUNC(cmd_privs)
1633 {
1634   char *tstr = NULL;
1635   int type = 0;
1636
1637   tstr = conf_get_data("server/type", RECDB_QSTRING);
1638   if(tstr)
1639     type = atoi(tstr);
1640
1641   if (type < 6)
1642     return 1; /* silently ignore */
1643
1644   struct userNode *user = argc > 1 ? GetUserN(argv[1]) : NULL;
1645   char buf[512] = "";
1646   int what = PRIV_ADD;
1647   char *p = 0;
1648   char *tmp;
1649   unsigned int i;
1650
1651   if (argc < 3)
1652     return 0;
1653
1654   if (!user)
1655     return 0;
1656
1657   for (i=1; i<argc; i++) {
1658     strcat(buf, argv[i]);
1659     strcat(buf, " ");
1660   }
1661
1662   for (i = 2; i < argc; i++) {
1663     if (*argv[i] == '+') { what = PRIV_ADD; argv[i]++; }
1664     if (*argv[i] == '-') { what = PRIV_DEL; argv[i]++; }
1665     for (tmp = x3_strtok(&p, argv[i], ","); tmp;
1666          tmp = x3_strtok(&p, NULL, ",")) {
1667       client_modify_priv_by_name(user, tmp, what);
1668     }
1669   }
1670   return 1;
1671 }
1672
1673 static CMD_FUNC(cmd_burst)
1674 {
1675     extern int rel_age;
1676     char modes[MAXLEN], *members = "";
1677     static char exemptlist[MAXLEN], banlist[MAXLEN];
1678     unsigned int next = 3, res = 1;
1679     int ctype = 0, echeck = 0, bcheck = 0;
1680     struct chanData *cData;
1681     struct chanNode *cNode;
1682     struct userNode *un;
1683     struct modeNode *mNode;
1684     long mode;
1685     int oplevel = -1;
1686     char *user, *end, sep;
1687     time_t in_timestamp;
1688     char* parm = NULL;
1689
1690     if (argc < 3)
1691         return 0;
1692     modes[0] = 0;
1693
1694     exemptlist[0] = 0;
1695     banlist[0] = 0;
1696
1697     while (next < argc) {
1698         switch (argv[next][0]) {
1699         case '+': {
1700             const char *pos;
1701             int n_modes;
1702             for (pos=argv[next], n_modes = 1; *pos; pos++)
1703                 if ((*pos == 'k') || (*pos == 'l') || (*pos == 'A')
1704                     || (*pos == 'U'))
1705                     n_modes++;
1706             unsplit_string(argv+next, n_modes, modes);
1707             next += n_modes;
1708             break;
1709         }
1710         case '%': {
1711             for(parm = mysep(&argv[next], " "); /* parm = first param */
1712                   parm;   /* While param is not null */
1713                   parm = mysep(&argv[next], " ")  /* parm = next param */
1714                )
1715             {
1716               switch (parm[0]) {
1717                 case '%': {
1718                   ctype = 1;
1719                   break;
1720                 }
1721                 case '~': {
1722                   ctype = 2;
1723                   break;
1724                 }
1725                 default: {
1726                   break;
1727                 }
1728               }
1729               if (ctype == 1) {
1730                 if (bcheck == 0) {
1731                   /* strip % char off start of very first ban */
1732                   if (strlen(parm) > 1) {
1733                     strncat(banlist, strtok(parm, "%"), sizeof(banlist) - 1 - strlen(banlist));
1734                     strncat(banlist, " ", sizeof(banlist) - 1 - strlen(banlist));
1735                   }
1736                   bcheck = 1;
1737                 } else {
1738                   strncat(banlist, parm, sizeof(banlist) - 1 - strlen(banlist));
1739                   strncat(banlist, " ", sizeof(banlist) - 1 - strlen(banlist));
1740                 }
1741               } else if (ctype == 2) {
1742                 if (echeck == 0) {
1743                    echeck = 1;
1744                 } else {
1745                   strncat(exemptlist, parm, sizeof(exemptlist) - 1 - strlen(exemptlist));
1746                   strncat(exemptlist, " ", sizeof(exemptlist) - 1 - strlen(exemptlist));
1747                 }
1748               }
1749             }
1750             next++;
1751             break;
1752         }
1753         default: members = argv[next++]; break;
1754       }
1755     }
1756
1757     in_timestamp = atoi(argv[2]);
1758     if ((cNode = dict_find(unbursted_channels, argv[1], NULL))) {
1759         cNode->timestamp = in_timestamp;
1760         dict_remove(unbursted_channels, cNode->name);
1761         irc_burst(cNode);
1762     }
1763     cNode = AddChannel(argv[1], in_timestamp, modes, banlist, exemptlist);
1764     cData = cNode->channel_info;
1765
1766     if (!cData) {
1767         if (cNode->modes & MODE_REGISTERED) {
1768             irc_join(opserv, cNode);
1769             irc_mode(opserv, cNode, "-z");
1770             irc_part(opserv, cNode, "");
1771         }
1772     }
1773
1774     /* Burst channel members in now. */
1775     for (user = members, sep = *members, mode = 0; sep; user = end) {
1776         for (end = user + 3; isalnum(*end) || *end == '[' || *end == ']'; end++) ;
1777         sep = *end++; end[-1] = 0;
1778         if (sep == ':') {
1779             mode = 0;
1780             while ((sep = *end++)) {
1781                 if (sep == 'o') {
1782                     mode |= MODE_CHANOP;
1783                     oplevel = -1;
1784                 } else if (sep == 'h') {
1785                     mode |= MODE_HALFOP;
1786                     oplevel = -1;
1787                 } else if (sep == 'v') {
1788                     mode |= MODE_VOICE;
1789                     oplevel = -1;
1790                 } else if (isdigit(sep)) {
1791                     mode |= MODE_CHANOP;
1792                     if (oplevel >= 0)
1793                         oplevel += parse_oplevel(end);
1794                     else
1795                         oplevel = parse_oplevel(end);
1796                     while (isdigit(*end)) end++;
1797                 } else
1798                     break;
1799             }
1800             if (rel_age < 0)
1801                 mode = 0;
1802         }
1803         if (!(un = GetUserN(user))) {
1804             res = 0;
1805             continue;
1806         }
1807         if ((mNode = AddChannelUser(un, cNode))) {
1808             mNode->modes = mode;
1809             mNode->oplevel = oplevel;
1810         }
1811     }
1812
1813     return res;
1814 }
1815
1816 /* TODO:
1817  * This is a stub that doesn't actually do anything. It should be completed
1818  * so that bans on *!*@markname.* match users as it does in nefarious
1819  */
1820 static CMD_FUNC(cmd_mark)
1821 {
1822     struct userNode *target;
1823     /*
1824      * log_module(MAIN_LOG, LOG_ERROR, "DEBUG: mark, user %s, type %s, arg %s", argv[1], argv[2], argv[3]);
1825      */
1826
1827     if(argc < 4)
1828         return 0;
1829     if(!strcasecmp(argv[2], "DNSBL")) {
1830         /* DNSBL <modes> */
1831         return 1;
1832     }
1833     else if(!strcasecmp(argv[2], "DNSBL_DATA")) {
1834         /* DNSBL_DATA name */
1835         target = GetUserH(argv[1]);
1836         if(!target) {
1837             log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s whose dnsbl mark is changing.", argv[1]);
1838             return 0;
1839         }
1840         target->mark = strdup(argv[3]);
1841         return 1;
1842
1843     }
1844     else if(!strcasecmp(argv[2], "CVERSION")) {
1845         /* DNSBL_DATA name */
1846         target = GetUserH(argv[1]);
1847         if(!target) {
1848             log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s whose version mark is changing.", argv[1]);
1849             return 0;
1850         }
1851
1852         char *version = unsplit_string(argv + 3, argc - 3, NULL);
1853         if(!version)
1854             version = "";
1855
1856         target->version_reply = strdup(version);
1857
1858         if(match_ircglob(version, "WebTV;*"))
1859             target->no_notice = true; /* webbies cant see notices */
1860
1861         return 1;
1862     }
1863     /* unknown type of mark */
1864     return 1;
1865 }
1866
1867 static CMD_FUNC(cmd_mode)
1868 {
1869     struct chanNode *cn;
1870     struct userNode *un;
1871     char *sethost; // sethost - reed/apples
1872     int i; // sethost - reed/apples
1873
1874     if (argc < 3)
1875         return 0;
1876     if (!IsChannelName(argv[1])) {
1877         un = GetUserH(argv[1]);
1878         if (!un) {
1879             log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s whose mode is changing.", argv[1]);
1880             return 0;
1881         }
1882         // sethost - reed/apples
1883         if (argc == 3)
1884         mod_usermode(un, argv[2]);
1885         else {
1886           sethost = malloc(strlen(argv[2]) + 1 + strlen(argv[3]) + 1);
1887           i = 0;
1888           while((sethost[i++] = *argv[2]++));
1889           i--;
1890          sethost[i++] = ' ';
1891           while((sethost[i++] = *argv[3]++));
1892           mod_usermode(un, sethost); // sethost - reed/apples
1893         }
1894
1895         return 1;
1896     }
1897
1898     if (!(cn = GetChannel(argv[1]))) {
1899         log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1900         return 0;
1901     }
1902     if ((un = GetUserH(origin))) {
1903         struct modeNode *mn;
1904         /* Update idle time for person setting the mode */
1905         if ((mn = GetUserMode(cn, un)))
1906             mn->idle_since = now;
1907     } else {
1908         /* If it came from a server, reset timestamp to re-sync. */
1909         cn->timestamp = atoi(argv[argc-1]);
1910     }
1911
1912     if (checkDefCon(DEFCON_NO_MODE_CHANGE) && !IsOper(un)) {
1913         const char *str;
1914         str = conf_get_data("services/opserv/nick", RECDB_QSTRING);
1915         if (str) {
1916             char modes[MODELEN];
1917             struct userNode *opserv = GetUserH(str);
1918
1919             send_message_type(4, un, opserv, "Channel modes cannot be changed due to DefCon level %d in effect, please try again soon", DefConLevel);
1920             irc_make_chanmode(cn, modes);
1921             irc_mode(opserv, cn, modes);
1922             irc_mode(opserv, cn, DefConChanModes);
1923         }
1924         return 1;
1925     }
1926
1927
1928     return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER|(un ? MC_NOTIFY : 0));
1929 }
1930
1931 static CMD_FUNC(cmd_opmode)
1932 {
1933     struct chanNode *cn;
1934     struct userNode *un;
1935
1936     if (argc < 3)
1937         return 0;
1938
1939     if (!(cn = GetChannel(argv[1]))) {
1940         log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1941         return 0;
1942     }
1943     if (!(un = GetUserH(origin))) {
1944         log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting OPMODE.", origin);
1945         return 0;
1946     }
1947     if (!IsOper(un)) {
1948         log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using OPMODE.", un->nick);
1949         return 0;
1950     }
1951
1952     return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER); /* do NOT announce opmode locally */
1953 }
1954
1955 static int clear_chanmode(struct chanNode *channel, const char *modes);
1956
1957 static CMD_FUNC(cmd_clearmode)
1958 {
1959     struct chanNode *cn;
1960     struct userNode *un;
1961
1962     if (argc < 3)
1963         return 0;
1964
1965     if (!(cn = GetChannel(argv[1]))) {
1966         log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1967         return 0;
1968     }
1969     if (!(un = GetUserH(origin))) {
1970         log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting CLEARMODE.", origin);
1971         return 0;
1972     }
1973     if (!IsOper(un)) {
1974         log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using CLEARMODE.", un->nick);
1975         return 0;
1976     }
1977
1978     return clear_chanmode(cn, argv[2]);
1979 }
1980
1981 static CMD_FUNC(cmd_topic)
1982 {
1983     struct chanNode *cn;
1984     time_t chan_ts, topic_ts;
1985     struct userNode *user;
1986
1987     if (argc < 3)
1988         return 0;
1989     if (!(cn = GetChannel(argv[1]))) {
1990         log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose topic is being set", argv[1]);
1991         return 0;
1992     }
1993
1994
1995     if (argc == 5) {              /* Asuka / Topic Bursting IRCu's */
1996         user = GetUserH(origin);
1997         chan_ts = atoi(argv[2]);
1998         topic_ts = atoi(argv[3]);
1999     } else if (argc >= 6) {       /* Nefarious 0.5.0 */
2000         user = GetUserH(strtok(argv[2], "!"));
2001         chan_ts = atoi(argv[3]);
2002         topic_ts = atoi(argv[4]);
2003     } else {                      /* Regular IRCu (No Topic Bursting)*/
2004         user = GetUserH(origin);
2005         chan_ts = cn->timestamp;
2006         topic_ts = now;
2007     }
2008
2009     SetChannelTopic(cn, user, user, argv[argc-1], 0);
2010     cn->topic_time = topic_ts;
2011     return 1;
2012 }
2013
2014 static CMD_FUNC(cmd_num_topic)
2015 {
2016     struct chanNode *cn;
2017
2018     if (!argv[0])
2019         return 0; /* huh? */
2020     if (argv[2]) {
2021         cn = GetChannel(argv[2]);
2022         if (!cn) {
2023             log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s in topic reply", argv[2]);
2024             return 0;
2025         }
2026     } else
2027         return 0;
2028
2029     switch (atoi(argv[0])) {
2030     case 331:
2031         cn->topic_time = 0;
2032         break;  /* no topic */
2033     case 332:
2034         if (argc < 4)
2035             return 0;
2036         safestrncpy(cn->topic, unsplit_string(argv+3, argc-3, NULL), sizeof(cn->topic));
2037         break;
2038     case 333:
2039         if (argc < 5)
2040             return 0;
2041         safestrncpy(cn->topic_nick, argv[3], sizeof(cn->topic_nick));
2042         cn->topic_time = atoi(argv[4]);
2043         break;
2044     default:
2045         return 0; /* should never happen */
2046     }
2047     return 1;
2048 }
2049
2050 static CMD_FUNC(cmd_num_gline)
2051 {
2052     if (argc < 6)
2053         return 0;
2054     gline_add(origin, argv[3], atoi(argv[4])-now, argv[5], now, 0, 0);
2055     return 1;
2056 }
2057
2058 static CMD_FUNC(cmd_num_shun)
2059 {
2060     if (argc < 6)
2061         return 0;
2062     shun_add(origin, argv[3], atoi(argv[4])-now, argv[5], now, 0);
2063     return 1;
2064 }
2065
2066 static CMD_FUNC(cmd_quit)
2067 {
2068     struct userNode *user;
2069     if (argc < 2)
2070         return 0;
2071     /* Sometimes we get a KILL then a QUIT or the like, so we don't want to
2072      * call DelUser unless we have the user in our grasp. */
2073     if ((user = GetUserH(origin)))
2074         DelUser(user, NULL, false, argv[1]);
2075     return 1;
2076 }
2077
2078 static CMD_FUNC(cmd_kill)
2079 {
2080     struct userNode *user;
2081     if (argc < 2)
2082         return 0;
2083     user = GetUserN(argv[1]);
2084     if (!user) {
2085         /* If we get a KILL for a non-existent user, it could be a
2086          * Ghost response to a KILL we sent out earlier.  So we only
2087          * whine if the target is local.
2088          */
2089         if (!strncmp(argv[1], self->numeric, strlen(self->numeric)))
2090             log_module(MAIN_LOG, LOG_ERROR, "Unable to find kill victim %s", argv[1]);
2091         return 0;
2092     }
2093
2094     if (IsLocal(user) && IsService(user)) {
2095         /* TODO: rate limit this so silly things don't happen. */
2096         ReintroduceUser(user);
2097         return 1;
2098     }
2099
2100     DelUser(user, NULL, false, argv[2]);
2101     return 1;
2102 }
2103
2104 static CMD_FUNC(cmd_part)
2105 {
2106     struct userNode *user;
2107
2108     if (argc < 2)
2109         return 0;
2110     user = GetUserH(origin);
2111     if (!user)
2112         return 0;
2113     parse_foreach(argv[1], part_helper, NULL, NULL, NULL, user);
2114     return 1;
2115 }
2116
2117 static CMD_FUNC(cmd_svspart)
2118 {
2119     struct userNode *user;
2120
2121     if (argc < 3)
2122         return 0;
2123     user = GetUserN(argv[1]);
2124     if (!user)
2125         return 0;
2126     parse_foreach(argv[2], part_helper, NULL, NULL, NULL, user);
2127     return 1;
2128 }
2129
2130 static CMD_FUNC(cmd_silence)
2131 {
2132     struct userNode *user;
2133     char *mask;
2134     char *new_mask;
2135     unsigned int i;
2136
2137     if (argc < 2)
2138         return 0;
2139
2140     user = GetUserN(argv[1]);
2141
2142     /* Sanity, go nuts if this happens */
2143     if (!user)
2144         return 0;
2145
2146     /*  We can safely ignore this if a user adding a silence is not
2147      *  ignored. However this brings up a TODO. If a user logs in and
2148      *  they have silences on the IRCd then we need to set them here
2149      *  somehow
2150      */
2151     if (!user->handle_info)
2152         return 1;
2153
2154     mask = argv[2];
2155
2156     if (*mask == '-') {
2157         for (i=0; i<user->handle_info->ignores->used; i++) {
2158             if (!irccasecmp(mask+1, user->handle_info->ignores->list[i]))
2159                 user->handle_info->ignores->list[i] = user->handle_info->ignores->list[--user->handle_info->ignores->used];
2160         }
2161     } else {
2162         for (i=0; i<user->handle_info->ignores->used; i++) {
2163             if (!strcmp(mask+1, user->handle_info->ignores->list[i]))
2164                 return 1; /* Already on the users NickServ ignore list, safely ignore */
2165         }
2166
2167         new_mask = strdup(mask+1);
2168         string_list_append(user->handle_info->ignores, new_mask);
2169     }
2170     return 1;
2171 }
2172
2173 static CMD_FUNC(cmd_kick)
2174 {
2175     if (argc < 3)
2176         return 0;
2177     ChannelUserKicked(GetUserH(origin), GetUserN(argv[2]), GetChannel(argv[1]));
2178     return 1;
2179 }
2180
2181 static CMD_FUNC(cmd_squit)
2182 {
2183     struct server *server;
2184     char *uplink;
2185
2186     if (argc < 4)
2187         return 0;
2188     if (!(server = GetServerH(argv[1])))
2189         return 0;
2190
2191     if (server == self->uplink) {
2192         /* Force a reconnect to the currently selected server. */
2193         cManager.uplink->tries = 0;
2194         log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", argv[3]);
2195         close_socket();
2196         return 1;
2197     }
2198
2199     uplink = strdup(server->uplink->name);
2200     DelServer(server, 0, argv[3]);
2201     /* if its a pingout and pingout connecting is enabled
2202                or its a read error and readerror connecting is enabled
2203                or were doing a "N" and i need to connect that server somewhere */
2204     routing_handle_squit(argv[1], uplink, argv[3]);
2205     free(uplink);
2206     return 1;
2207 }
2208
2209 static CMD_FUNC(cmd_privmsg)
2210 {
2211     struct privmsg_desc pd;
2212     if (argc != 3)
2213         return 0;
2214     pd.user = GetUserH(origin);
2215     if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user)))
2216         return 1;
2217
2218     if (checkDefCon(DEFCON_OPER_ONLY) && !IsOper(pd.user)) {
2219         const char *str;
2220         str = conf_get_data("services/opserv/nick", RECDB_QSTRING);
2221         if (str)
2222             send_message_type(4, pd.user, GetUserH(str), "Services are currently not available, please try again soon");
2223         return 1;
2224     }
2225
2226     if (checkDefCon(DEFCON_SILENT_OPER_ONLY) && !IsOper(pd.user))
2227         return 1; /* Silently Ignore */
2228
2229     pd.is_notice = 0;
2230     pd.text = argv[2];
2231     parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
2232
2233     return 1;
2234 }
2235
2236 static CMD_FUNC(cmd_notice)
2237 {
2238     struct privmsg_desc pd;
2239     struct server *srv;
2240     int nuser = 0;
2241
2242     if (argc != 3)
2243         return 0;
2244
2245     pd.user = GetUserH(origin);
2246     if(!pd.user)
2247         nuser = 1;
2248     if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user))) {
2249     }
2250     else {
2251         pd.is_notice = 1;
2252         pd.text = argv[2];
2253         parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
2254     }
2255
2256     srv = GetServerH(origin);
2257     if(srv) {
2258         char *sargv[MAXNUMPARAMS];
2259         int sargc;
2260
2261         sargc = split_line(argv[2], true, MAXNUMPARAMS, sargv);
2262
2263         if(!strcasecmp(sargv[0], "Connect:")) {
2264             /* :Connect: Host shoe.loxxin.net not listed in ircd.conf */
2265             if(!strcasecmp(sargv[3], "not") && !strcasecmp(sargv[4], "listed")) {
2266                 routing_handle_connect_failure(srv, sargv[2], unsplit_string(sargv+3, sargc-3, NULL));
2267             }
2268         }
2269         else if(!strcasecmp(sargv[0], "Link")) {
2270             /* :Link with mephisto.etheria.cx cancelled: Server mephisto.etheria.cx[216.46.33.71]
2271              *
2272              * :Link with laptop.afternet.org cancelled: Connection refused
2273              */
2274             if(!strcasecmp(sargv[3], "cancelled:")) {
2275                 routing_handle_connect_failure(srv, sargv[2], unsplit_string(sargv+4, sargc-4, NULL));
2276             }
2277         }
2278     }
2279     return 1;
2280 }
2281
2282 static CMD_FUNC(cmd_away)
2283 {
2284     struct userNode *uNode;
2285
2286     uNode = GetUserH(origin);
2287     if (!uNode)
2288         return 1;
2289     if (argc < 2)
2290         uNode->modes &= ~FLAGS_AWAY;
2291     else
2292         uNode->modes |= FLAGS_AWAY;
2293     return 1;
2294 }
2295
2296 static CMD_FUNC(cmd_gline)
2297 {
2298     if (argc < 3)
2299         return 0;
2300     if (argv[2][0] == '+') {
2301         if (argc < 5)
2302             return 0;
2303         gline_add(origin, argv[2]+1, strtoul(argv[3], NULL, 0), argv[argc-1], now, 0, 0);
2304         return 1;
2305     } else if (argv[2][0] == '-') {
2306         gline_remove(argv[2]+1, 0);
2307         return 1;
2308     } else
2309         return 0;
2310 }
2311
2312 static CMD_FUNC(cmd_sgline)
2313 {
2314     struct server *sender;
2315
2316     if (argc < 4)
2317         return 0;
2318
2319     if (!(sender = GetServerH(origin)))
2320         return 0;
2321
2322     gline_add(origin, argv[1], strtoul(argv[2], NULL, 0), argv[argc-1], now, 0, 0);
2323     return 1;
2324 }
2325
2326 static CMD_FUNC(cmd_sshun)
2327 {
2328     struct server *sender;
2329
2330     if (argc < 4)
2331         return 0;
2332
2333     if (!(sender = GetServerH(origin)))
2334         return 0;
2335
2336     shun_add(origin, argv[1], strtoul(argv[2], NULL, 0), argv[argc-1], now, 0);
2337     return 1;
2338 }
2339
2340 static CMD_FUNC(cmd_shun)
2341 {
2342     if (argc < 3)
2343         return 0;
2344     if (argv[2][0] == '+') {
2345         if (argc < 5)
2346             return 0;
2347         shun_add(origin, argv[2]+1, strtoul(argv[3], NULL, 0), argv[argc-1], now, 0);
2348         return 1;
2349     } else if (argv[2][0] == '-') {
2350         shun_remove(argv[2]+1, 0);
2351         return 1;
2352     } else
2353         return 0;
2354 }
2355
2356 static CMD_FUNC(cmd_svsnick)
2357 {
2358     struct userNode *target, *dest;
2359     if ((argc < 4)
2360         || !(target = GetUserN(argv[1]))
2361         || !IsLocal(target)
2362         || (dest = GetUserH(argv[2])))
2363         return 0;
2364     NickChange(target, argv[2], 0);
2365     return 1;
2366 }
2367
2368 static oper_func_t *of_list;
2369 static unsigned int of_size = 0, of_used = 0;
2370
2371 void
2372 free_user(struct userNode *user)
2373 {
2374     free(user->nick);
2375     free(user);
2376 }
2377
2378 static void
2379 parse_cleanup(void)
2380 {
2381     unsigned int nn;
2382     free(of_list);
2383     free(privmsg_funcs);
2384     free(notice_funcs);
2385     free(mcf_list);
2386     dict_delete(irc_func_dict);
2387     for (nn=0; nn<dead_users.used; nn++)
2388         free_user(dead_users.list[nn]);
2389     userList_clean(&dead_users);
2390 }
2391
2392 static void
2393 p10_conf_reload(void) {
2394     hidden_host_suffix = conf_get_data("server/hidden_host", RECDB_QSTRING);
2395 }
2396
2397 static void
2398 remove_unbursted_channel(struct chanNode *cNode) {
2399     if (unbursted_channels)
2400         dict_remove(unbursted_channels, cNode->name);
2401 }
2402
2403 void
2404 init_parse(void)
2405 {
2406     const char *str, *desc;
2407     int numnick, usermask, max_users;
2408     char numer[COMBO_NUMERIC_LEN+1];
2409
2410     /* read config items */
2411     str = conf_get_data("server/extended_accounts", RECDB_QSTRING);
2412     extended_accounts = str ? enabled_string(str) : 1;
2413     str = conf_get_data("server/ping_freq", RECDB_QSTRING);
2414     ping_freq = str ? ParseInterval(str) : 120;
2415     str = conf_get_data("server/ping_timeout", RECDB_QSTRING);
2416     ping_timeout = str ? ParseInterval(str) : 30;
2417     str = conf_get_data("server/force_n2k", RECDB_QSTRING);
2418     force_n2k = str ? enabled_string(str) : 1;
2419     str = conf_get_data("server/numeric", RECDB_QSTRING);
2420     if (!str) {
2421         log_module(MAIN_LOG, LOG_ERROR, "No server/numeric entry in config file.");
2422         exit(1);
2423     }
2424     numnick = atoi(str);
2425     str = conf_get_data("server/max_users", RECDB_QSTRING);
2426     max_users = str ? atoi(str) : 4096;
2427     for (usermask = 4; usermask < max_users; usermask <<= 1) ;
2428     usermask--;
2429     if ((numnick < 64) && (usermask < 4096) && !force_n2k)
2430         inttobase64(numer, (numnick << 12) + (usermask & 0x00fff), 3);
2431     else
2432         inttobase64(numer, (numnick << 18) + (usermask & 0x3ffff), 5);
2433
2434     str = conf_get_data("server/his_servername", RECDB_QSTRING);
2435     his_servername = str ? strdup(str) : NULL;
2436     str = conf_get_data("server/his_servercomment", RECDB_QSTRING);
2437     his_servercomment = str ? strdup(str) : NULL;
2438
2439     str = conf_get_data("server/hostname", RECDB_QSTRING);
2440     desc = conf_get_data("server/description", RECDB_QSTRING);
2441     if (!str || !desc) {
2442         log_module(MAIN_LOG, LOG_ERROR, "No server/hostname entry in config file.");
2443         exit(1);
2444     }
2445     self = AddServer(NULL, str, 0, boot_time, now, numer, desc);
2446     conf_register_reload(p10_conf_reload);
2447
2448     irc_func_dict = dict_new();
2449     dict_insert(irc_func_dict, CMD_BURST, cmd_burst);
2450     dict_insert(irc_func_dict, TOK_BURST, cmd_burst);
2451     dict_insert(irc_func_dict, CMD_CREATE, cmd_create);
2452     dict_insert(irc_func_dict, TOK_CREATE, cmd_create);
2453     dict_insert(irc_func_dict, CMD_EOB, cmd_eob);
2454     dict_insert(irc_func_dict, TOK_EOB, cmd_eob);
2455     dict_insert(irc_func_dict, CMD_EOB_ACK, cmd_eob_ack);
2456     dict_insert(irc_func_dict, TOK_EOB_ACK, cmd_eob_ack);
2457     dict_insert(irc_func_dict, CMD_MODE, cmd_mode);
2458     dict_insert(irc_func_dict, TOK_MODE, cmd_mode);
2459     dict_insert(irc_func_dict, CMD_MARK, cmd_mark);
2460     dict_insert(irc_func_dict, TOK_MARK, cmd_mark);
2461     dict_insert(irc_func_dict, CMD_NICK, cmd_nick);
2462     dict_insert(irc_func_dict, TOK_NICK, cmd_nick);
2463     dict_insert(irc_func_dict, CMD_ACCOUNT, cmd_account);
2464     dict_insert(irc_func_dict, TOK_ACCOUNT, cmd_account);
2465     dict_insert(irc_func_dict, CMD_FAKEHOST, cmd_fakehost);
2466     dict_insert(irc_func_dict, TOK_FAKEHOST, cmd_fakehost);
2467     dict_insert(irc_func_dict, CMD_PASS, cmd_pass);
2468     dict_insert(irc_func_dict, TOK_PASS, cmd_pass);
2469     dict_insert(irc_func_dict, CMD_PING, cmd_ping);
2470     dict_insert(irc_func_dict, TOK_PING, cmd_ping);
2471     dict_insert(irc_func_dict, CMD_PRIVMSG, cmd_privmsg);
2472     dict_insert(irc_func_dict, TOK_PRIVMSG, cmd_privmsg);
2473     dict_insert(irc_func_dict, CMD_PONG, cmd_pong);
2474     dict_insert(irc_func_dict, TOK_PONG, cmd_pong);
2475     dict_insert(irc_func_dict, CMD_QUIT, cmd_quit);
2476     dict_insert(irc_func_dict, TOK_QUIT, cmd_quit);
2477     dict_insert(irc_func_dict, CMD_SERVER, cmd_server);
2478     dict_insert(irc_func_dict, TOK_SERVER, cmd_server);
2479     dict_insert(irc_func_dict, CMD_JOIN, cmd_join);
2480     dict_insert(irc_func_dict, TOK_JOIN, cmd_join);
2481     dict_insert(irc_func_dict, CMD_PART, cmd_part);
2482     dict_insert(irc_func_dict, TOK_PART, cmd_part);
2483     dict_insert(irc_func_dict, CMD_ERROR, cmd_error);
2484     dict_insert(irc_func_dict, TOK_ERROR, cmd_error);
2485     dict_insert(irc_func_dict, CMD_TOPIC, cmd_topic);
2486     dict_insert(irc_func_dict, TOK_TOPIC, cmd_topic);
2487     dict_insert(irc_func_dict, CMD_AWAY, cmd_away);
2488     dict_insert(irc_func_dict, TOK_AWAY, cmd_away);
2489     dict_insert(irc_func_dict, CMD_SILENCE, cmd_silence);
2490     dict_insert(irc_func_dict, TOK_SILENCE, cmd_silence);
2491     dict_insert(irc_func_dict, CMD_KICK, cmd_kick);
2492     dict_insert(irc_func_dict, TOK_KICK, cmd_kick);
2493     dict_insert(irc_func_dict, CMD_SQUIT, cmd_squit);
2494     dict_insert(irc_func_dict, TOK_SQUIT, cmd_squit);
2495     dict_insert(irc_func_dict, CMD_KILL, cmd_kill);
2496     dict_insert(irc_func_dict, TOK_KILL, cmd_kill);
2497     dict_insert(irc_func_dict, CMD_NOTICE, cmd_notice);
2498     dict_insert(irc_func_dict, TOK_NOTICE, cmd_notice);
2499     dict_insert(irc_func_dict, CMD_STATS, cmd_stats);
2500     dict_insert(irc_func_dict, TOK_STATS, cmd_stats);
2501     dict_insert(irc_func_dict, CMD_SVSJOIN, cmd_svsjoin);
2502     dict_insert(irc_func_dict, TOK_SVSJOIN, cmd_svsjoin);
2503     dict_insert(irc_func_dict, CMD_SVSNICK, cmd_svsnick);
2504     dict_insert(irc_func_dict, TOK_SVSNICK, cmd_svsnick);
2505     dict_insert(irc_func_dict, CMD_SVSPART, cmd_svspart);
2506     dict_insert(irc_func_dict, TOK_SVSPART, cmd_svspart);
2507     dict_insert(irc_func_dict, CMD_SWHOIS, cmd_dummy);
2508     dict_insert(irc_func_dict, TOK_SWHOIS, cmd_dummy);
2509     dict_insert(irc_func_dict, CMD_WHOIS, cmd_whois);
2510     dict_insert(irc_func_dict, TOK_WHOIS, cmd_whois);
2511     dict_insert(irc_func_dict, CMD_GLINE, cmd_gline);
2512     dict_insert(irc_func_dict, TOK_GLINE, cmd_gline);
2513     dict_insert(irc_func_dict, CMD_SGLINE, cmd_sgline);
2514     dict_insert(irc_func_dict, TOK_SGLINE, cmd_sgline);
2515     dict_insert(irc_func_dict, CMD_SHUN, cmd_shun);
2516     dict_insert(irc_func_dict, TOK_SHUN, cmd_shun);
2517     dict_insert(irc_func_dict, CMD_SSHUN, cmd_sshun);
2518     dict_insert(irc_func_dict, TOK_SSHUN, cmd_sshun);
2519     dict_insert(irc_func_dict, CMD_OPMODE, cmd_opmode);
2520     dict_insert(irc_func_dict, TOK_OPMODE, cmd_opmode);
2521     dict_insert(irc_func_dict, CMD_CLEARMODE, cmd_clearmode);
2522     dict_insert(irc_func_dict, TOK_CLEARMODE, cmd_clearmode);
2523     dict_insert(irc_func_dict, CMD_VERSION, cmd_version);
2524     dict_insert(irc_func_dict, TOK_VERSION, cmd_version);
2525     dict_insert(irc_func_dict, CMD_ADMIN, cmd_admin);
2526     dict_insert(irc_func_dict, TOK_ADMIN, cmd_admin);
2527     dict_insert(irc_func_dict, CMD_SNO, cmd_dummy);
2528     dict_insert(irc_func_dict, TOK_SNO, cmd_dummy);
2529
2530     dict_insert(irc_func_dict, CMD_RPING, cmd_rping);
2531     dict_insert(irc_func_dict, TOK_RPING, cmd_rping);
2532     dict_insert(irc_func_dict, CMD_RPONG, cmd_dummy);
2533     dict_insert(irc_func_dict, TOK_RPONG, cmd_dummy);
2534
2535     /* In P10, DESTRUCT doesn't do anything except be broadcast to servers.
2536      * Apparently to obliterate channels from any servers that think they
2537      * exist?
2538      */
2539     dict_insert(irc_func_dict, CMD_DESTRUCT, cmd_dummy);
2540     dict_insert(irc_func_dict, TOK_DESTRUCT, cmd_dummy);
2541     /* Ignore invites */
2542     dict_insert(irc_func_dict, CMD_INVITE, cmd_dummy);
2543     dict_insert(irc_func_dict, TOK_INVITE, cmd_dummy);
2544     /* DESYNCH is just informational, so ignore it */
2545     dict_insert(irc_func_dict, CMD_DESYNCH, cmd_dummy);
2546     dict_insert(irc_func_dict, TOK_DESYNCH, cmd_dummy);
2547     /* Ignore channel operator notices. */
2548     dict_insert(irc_func_dict, CMD_WALLCHOPS, cmd_dummy);
2549     dict_insert(irc_func_dict, TOK_WALLCHOPS, cmd_dummy);
2550     dict_insert(irc_func_dict, CMD_WALLVOICES, cmd_dummy);
2551     dict_insert(irc_func_dict, TOK_WALLVOICES, cmd_dummy);
2552     dict_insert(irc_func_dict, CMD_WALLHOPS, cmd_dummy);
2553     dict_insert(irc_func_dict, TOK_WALLHOPS, cmd_dummy);
2554     /* Ignore opers being silly. */
2555     dict_insert(irc_func_dict, CMD_WALLOPS, cmd_dummy);
2556     dict_insert(irc_func_dict, TOK_WALLOPS, cmd_dummy);
2557     dict_insert(irc_func_dict, CMD_WALLHOPS, cmd_dummy);
2558     dict_insert(irc_func_dict, TOK_WALLHOPS, cmd_dummy);
2559     dict_insert(irc_func_dict, TOK_WALLUSERS, cmd_dummy);
2560     /* Ignore dnsbl exemptions */
2561     dict_insert(irc_func_dict, TOK_EXEMPT, cmd_dummy);
2562     dict_insert(irc_func_dict, CMD_PRIVS, cmd_privs);
2563     dict_insert(irc_func_dict, TOK_PRIVS, cmd_privs);
2564     /* ignore ALIST for now */
2565     dict_insert(irc_func_dict, TOK_ALIST, cmd_dummy);
2566     dict_insert(irc_func_dict, CMD_ALIST, cmd_dummy);
2567     /* Ignore remote luser */
2568     dict_insert(irc_func_dict, TOK_LUSERS, cmd_dummy);
2569     /* We have reliable clock!  Always!  Wraaa! */
2570     dict_insert(irc_func_dict, CMD_SETTIME, cmd_dummy);
2571     dict_insert(irc_func_dict, TOK_SETTIME, cmd_dummy);
2572
2573     /* ignore /trace and /motd commands targetted at us */
2574     dict_insert(irc_func_dict, TOK_TRACE, cmd_dummy);
2575     dict_insert(irc_func_dict, TOK_MOTD, cmd_dummy);
2576     dict_insert(irc_func_dict, TOK_UPING, cmd_dummy);
2577
2578     /* handle topics */
2579     dict_insert(irc_func_dict, "331", cmd_num_topic);
2580     dict_insert(irc_func_dict, "332", cmd_num_topic);
2581     dict_insert(irc_func_dict, "333", cmd_num_topic);
2582     dict_insert(irc_func_dict, "345", cmd_dummy); /* blah has been invited to blah */
2583     dict_insert(irc_func_dict, "432", cmd_error_nick); /* Erroneus [sic] nickname */
2584     /* ban list resetting */
2585     /* "stats g" responses */
2586     dict_insert(irc_func_dict, "247", cmd_num_gline);
2587     dict_insert(irc_func_dict, "542", cmd_num_shun);
2588     dict_insert(irc_func_dict, "219", cmd_dummy); /* "End of /STATS report" */
2589     /* other numeric responses we might get */
2590     dict_insert(irc_func_dict, "401", cmd_dummy); /* target left network */
2591     dict_insert(irc_func_dict, "403", cmd_dummy); /* no such channel */
2592     dict_insert(irc_func_dict, "404", cmd_dummy); /* cannot send to channel */
2593     dict_insert(irc_func_dict, "439", cmd_dummy); /* target change too fast */
2594     dict_insert(irc_func_dict, "441", cmd_dummy); /* target isn't on that channel */
2595     dict_insert(irc_func_dict, "442", cmd_dummy); /* you aren't on that channel */
2596     dict_insert(irc_func_dict, "443", cmd_dummy); /* is already on channel (after invite?) */
2597     dict_insert(irc_func_dict, "461", cmd_dummy); /* Not enough parameters (after TOPIC w/ 0 args) */
2598     dict_insert(irc_func_dict, "467", cmd_dummy); /* Channel key already set */
2599
2600     num_privmsg_funcs = 16;
2601     privmsg_funcs = malloc(sizeof(privmsg_func_t)*num_privmsg_funcs);
2602     memset(privmsg_funcs, 0, sizeof(privmsg_func_t)*num_privmsg_funcs);
2603
2604     num_notice_funcs = 16;
2605     notice_funcs = malloc(sizeof(privmsg_func_t)*num_notice_funcs);
2606     memset(notice_funcs, 0, sizeof(privmsg_func_t)*num_notice_funcs);
2607
2608     userList_init(&dead_users);
2609     reg_del_channel_func(remove_unbursted_channel);
2610     reg_exit_func(parse_cleanup);
2611     // reg_notice_func(opserv, check_ctcp);
2612 }
2613
2614 int
2615 parse_line(char *line, int recursive)
2616 {
2617     char *argv[MAXNUMPARAMS], *origin;
2618     int argc, cmd, res=0;
2619     cmd_func_t *func;
2620
2621     argc = split_line(line, true, MAXNUMPARAMS, argv);
2622     cmd = self->uplink || !argv[0][1] || !argv[0][2];
2623     if (argc > cmd) {
2624         if (cmd) {
2625             if (argv[0][0] == ':') {
2626                 origin = argv[0]+1;
2627             } else if (!argv[0][1] || !argv[0][2]) {
2628                 struct server *sNode = GetServerN(argv[0]);
2629                 origin = sNode ? sNode->name : 0;
2630             } else {
2631                 struct userNode *uNode = GetUserN(argv[0]);
2632                 origin = uNode ? uNode->nick : 0;
2633             }
2634         } else
2635             origin = 0;
2636         if ((func = dict_find(irc_func_dict, argv[cmd], NULL)))
2637             res = func(origin, argc-cmd, argv+cmd);
2638     }
2639     if (!res) {
2640         log_module(MAIN_LOG, LOG_ERROR, "PARSE ERROR on line: %s", unsplit_string(argv, argc, NULL));
2641     } else if (!recursive) {
2642         unsigned int i;
2643         for (i=0; i<dead_users.used; i++)
2644             free_user(dead_users.list[i]);
2645         dead_users.used = 0;
2646     }
2647     return res;
2648 }
2649
2650 static void
2651 parse_foreach(char *target_list, foreach_chanfunc cf, foreach_nonchan nc, foreach_userfunc uf, foreach_nonuser nu, void *data)
2652 {
2653     char *j, old;
2654
2655     do {
2656         j = target_list;
2657         while (*j != 0 && *j != ',')
2658             j++;
2659         old = *j;
2660         *j = 0;
2661
2662         if (IsChannelName(target_list)
2663             || (target_list[0] == '0' && target_list[1] == '\0')) {
2664             struct chanNode *chan = GetChannel(target_list);
2665
2666             if (chan) {
2667                 if (cf)
2668                     cf(chan, data);
2669             } else {
2670                 if (nc)
2671                     nc(target_list, data);
2672             }
2673         } else {
2674             struct userNode *user;
2675             struct privmsg_desc *pd = data;
2676
2677             pd->is_qualified = 0;
2678             if (*target_list == '@') {
2679                 user = NULL;
2680             } else if (strchr(target_list, '@')) {
2681                 struct server *server;
2682
2683                 pd->is_qualified = 1;
2684                 user = GetUserH(strtok(target_list, "@"));
2685                 server = GetServerH(strtok(NULL, "@"));
2686
2687                 if (user && (user->uplink != server)) {
2688                     /* Don't attempt to index into any arrays
2689                        using a user's numeric on another server. */
2690                     user = NULL;
2691                 }
2692             } else {
2693                 user = GetUserN(target_list);
2694             }
2695
2696             if (user) {
2697                 if (uf)
2698                     uf(user, data);
2699             } else {
2700                 if (nu)
2701                     nu(target_list, data);
2702             }
2703         }
2704         target_list = j+1;
2705     } while (old == ',');
2706 }
2707
2708 static int
2709 get_local_numeric(void)
2710 {
2711     static unsigned int next_numeric = 0;
2712     if (self->clients > self->num_mask)
2713         return -1;
2714     while (self->users[next_numeric])
2715         if (++next_numeric > self->num_mask)
2716             next_numeric = 0;
2717     return next_numeric;
2718 }
2719
2720 static void
2721 make_numeric(struct server *svr, int local_num, char *outbuf)
2722 {
2723     int slen, llen;
2724
2725     if (force_n2k || svr->numeric[1]) {
2726         slen = 2;
2727         llen = 3;
2728     } else {
2729         slen = 1;
2730         llen = (local_num < 64*64) ? 2 : 3;
2731     }
2732     strncpy(outbuf, svr->numeric, slen);
2733     inttobase64(outbuf+slen, local_num, llen);
2734     outbuf[slen+llen] = 0;
2735 }
2736
2737 struct server *
2738 AddServer(struct server *uplink, const char *name, int hops, time_t boot, time_t link, const char *numeric, const char *description)
2739 {
2740     struct server* sNode;
2741     int slen, mlen;
2742
2743     if ((sNode = GetServerN(numeric))) {
2744         /* This means we're trying to re-add an existant server.
2745          * To be safe, we should forget the previous incarnation.
2746          * (And all its linked servers.)
2747          *
2748          * It usually only happens in replays when the original
2749          * had a ping timeout and the replay didn't (because
2750          * replaying a ping timeout invariably gets things wrong).
2751          */
2752         DelServer(sNode, 0, NULL);
2753     }
2754
2755     switch (strlen(numeric)) {
2756     case 5: slen = 2; mlen = 3; break;
2757     case 4: slen = 1; mlen = 3; break;
2758     case 3: slen = 1; mlen = 2; break;
2759     default:
2760         log_module(MAIN_LOG, LOG_ERROR, "AddServer(\"%s\", \"%s\", ...): Numeric %s has invalid length.", uplink->name, name, numeric);
2761         return NULL;
2762     }
2763
2764     sNode = calloc(1, sizeof(*sNode));
2765     sNode->uplink = uplink;
2766     safestrncpy(sNode->name, name, sizeof(sNode->name));
2767     sNode->num_mask = base64toint(numeric+slen, mlen);
2768     sNode->hops = hops;
2769     sNode->boot = boot;
2770     sNode->link = link;
2771     strncpy(sNode->numeric, numeric, slen);
2772     safestrncpy(sNode->description, description, sizeof(sNode->description));
2773     sNode->users = calloc(sNode->num_mask+1, sizeof(*sNode->users));
2774     serverList_init(&sNode->children);
2775     if (sNode->uplink) {
2776         /* uplink may be NULL if we're just building ourself */
2777         serverList_append(&sNode->uplink->children, sNode);
2778     }
2779     servers_num[base64toint(numeric, slen)] = sNode;
2780     dict_insert(servers, sNode->name, sNode);
2781     return sNode;
2782 }
2783
2784 void DelServer(struct server* serv, int announce, const char *message)
2785 {
2786     unsigned int i;
2787
2788     /* If we receive an ERROR command before the SERVER
2789      * command a NULL server can be passed */
2790     if (!serv)
2791         return;
2792
2793     /* Hrm, what's the right way to SQUIT some other server?
2794      * (This code is only to handle killing juped servers.) */
2795     if (announce && (serv->uplink == self) && (serv != self->uplink))
2796         irc_squit(serv, message, NULL);
2797
2798     /* must recursively remove servers linked to this one first */
2799     for (i=serv->children.used;i>0;)
2800         if (serv->children.list[--i] != self)
2801             DelServer(serv->children.list[i], false, NULL);
2802
2803     /* clean up server's user hash tables */
2804     for (i=0;i<=serv->num_mask;i++)
2805         if (serv->users[i])
2806             DelUser(serv->users[i], NULL, false, "server delinked");
2807
2808     /* delete server */
2809     if (serv->uplink)
2810         serverList_remove(&serv->uplink->children, serv);
2811     if (serv == self->uplink)
2812         self->uplink = NULL;
2813     servers_num[base64toint(serv->numeric, strlen(serv->numeric))] = NULL;
2814     dict_remove(servers, serv->name);
2815     serverList_clean(&serv->children);
2816     free(serv->users);
2817     free(serv);
2818 }
2819
2820 struct userNode *
2821 AddService(const char *nick, const char *modes, const char *desc, const char *hostname)
2822 {
2823     char numeric[COMBO_NUMERIC_LEN+1];
2824     int local_num = get_local_numeric();
2825     time_t timestamp = now;
2826     struct userNode *old_user = GetUserH(nick);
2827
2828     if (old_user) {
2829         if (IsLocal(old_user))
2830             return old_user;
2831         timestamp = old_user->timestamp - 1;
2832     }
2833     if (local_num == -1) {
2834         log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for service %s", nick);
2835         return 0;
2836     }
2837     if (!hostname)
2838         hostname = self->name;
2839     make_numeric(self, local_num, numeric);
2840     /* TODO: Make these modes part of the conf file */
2841     return AddUser(self, nick, nick, hostname, modes ? modes : "+oik", numeric, desc, now, "AAAAAA");
2842 }
2843
2844 struct userNode *
2845 AddClone(const char *nick, const char *ident, const char *hostname, const char *desc)
2846 {
2847     char numeric[COMBO_NUMERIC_LEN+1];
2848     int local_num = get_local_numeric();
2849     time_t timestamp = now;
2850     struct userNode *old_user = GetUserH(nick);
2851
2852     if (old_user) {
2853         if (IsLocal(old_user))
2854             return old_user;
2855         timestamp = old_user->timestamp - 1;
2856     }
2857     if (local_num == -1) {
2858         log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for clone %s", nick);
2859         return 0;
2860     }
2861     make_numeric(self, local_num, numeric);
2862     return AddUser(self, nick, ident, hostname, "+i", numeric, desc, timestamp, "AAAAAA");
2863 }
2864
2865 int
2866 is_valid_nick(const char *nick) {
2867     unsigned int ii;
2868     /* IRC has some of The Most Fucked-Up ideas about character sets
2869      * in the world.. */
2870     if (!isalpha(*nick) && !strchr("{|}~[\\]^_`", *nick))
2871         return 0;
2872     for (ii = 0; nick[ii]; ++ii)
2873         if (!isalnum(nick[ii]) && !strchr("{|}~[\\]^-_`", nick[ii]))
2874             return 0;
2875     if (strlen(nick) > nicklen)
2876         return 0;
2877     return 1;
2878 }
2879
2880 static struct userNode*
2881 AddUser(struct server* uplink, const char *nick, const char *ident, const char *hostname, const char *modes, const char *numeric, const char *userinfo, time_t timestamp, const char *realip)
2882 {
2883     struct userNode *oldUser, *uNode;
2884     unsigned int n, ignore_user;
2885     char *tstr;
2886     int type;
2887
2888     if ((strlen(numeric) < 3) || (strlen(numeric) > 5)) {
2889         log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): numeric %s wrong length!", uplink, nick, numeric);
2890         return NULL;
2891     }
2892
2893     if (!uplink) {
2894         log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s doesn't exist!", uplink, nick, numeric);
2895         return NULL;
2896     }
2897
2898     if (uplink != GetServerN(numeric)) {
2899         log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s differs from nominal uplink %s.", uplink, nick, numeric, uplink->name);
2900         return NULL;
2901     }
2902
2903     if (!is_valid_nick(nick)) {
2904         log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): invalid nickname detected.", uplink, nick);
2905         return NULL;
2906     }
2907
2908     ignore_user = 0;
2909     if ((oldUser = GetUserH(nick))) {
2910         if (IsLocal(oldUser) && (IsService(oldUser) || IsPersistent(oldUser))) {
2911             /* The service should collide the new user off. */
2912             oldUser->timestamp = timestamp - 1;
2913             irc_user(oldUser);
2914         }
2915         if (oldUser->timestamp > timestamp) {
2916             /* "Old" user is really newer; remove them */
2917             DelUser(oldUser, 0, 1, "Overruled by older nick");
2918         } else {
2919             /* User being added is too new; do not add them to
2920              * clients, but do add them to the server's list, since it
2921              * will send a KILL and QUIT soon. */
2922             ignore_user = 1;
2923         }
2924     }
2925
2926     /* create new usernode and set all values */
2927     uNode = calloc(1, sizeof(*uNode));
2928     uNode->nick = strdup(nick);
2929     safestrncpy(uNode->ident, ident, sizeof(uNode->ident));
2930     safestrncpy(uNode->info, userinfo, sizeof(uNode->info));
2931     safestrncpy(uNode->hostname, hostname, sizeof(uNode->hostname));
2932     safestrncpy(uNode->numeric, numeric, sizeof(uNode->numeric));
2933     irc_p10_pton(&uNode->ip, realip);
2934
2935     tstr = conf_get_data("server/type", RECDB_QSTRING);
2936     type = atoi(tstr);
2937     if (type > 6) {
2938       if (irc_in_addr_is_ipv4(uNode->ip)) {
2939         make_virtip((char*)irc_ntoa(&uNode->ip), (char*)irc_ntoa(&uNode->ip), uNode->cryptip);
2940         make_virthost((char*)irc_ntoa(&uNode->ip), uNode->hostname, uNode->crypthost);
2941       } else if (irc_in_addr_is_ipv6(uNode->ip)) {
2942         make_ipv6virthost((char*)irc_ntoa(&uNode->ip), uNode->hostname, uNode->crypthost);
2943       }
2944     }
2945
2946     if (!uNode->crypthost && uNode->cryptip)
2947         snprintf(uNode->crypthost, sizeof(uNode->crypthost), "%s", strdup(uNode->cryptip));
2948
2949     uNode->timestamp = timestamp;
2950     modeList_init(&uNode->channels);
2951     uNode->uplink = uplink;
2952     if (++uNode->uplink->clients > uNode->uplink->max_clients) {
2953         uNode->uplink->max_clients = uNode->uplink->clients;
2954     }
2955     uNode->num_local = base64toint(numeric+strlen(uNode->uplink->numeric), 3) & uNode->uplink->num_mask;
2956     uNode->uplink->users[uNode->num_local] = uNode;
2957     mod_usermode(uNode, modes);
2958
2959     set_geoip_info(uNode);
2960
2961     if (ignore_user)
2962         return uNode;
2963
2964     dict_insert(clients, uNode->nick, uNode);
2965     if (dict_size(clients) > max_clients) {
2966         max_clients = dict_size(clients);
2967         max_clients_time = now;
2968     }
2969     if (IsLocal(uNode))
2970         irc_user(uNode);
2971     for (n=0; n<nuf_used; n++)
2972         if (nuf_list[n](uNode))
2973             break;
2974
2975     if ((uNode->loc == 1) && (uNode->handle_info))
2976         send_func_list(uNode);
2977
2978     return uNode;
2979 }
2980
2981 /* removes user from it's server's hash table and nick hash table */
2982 void
2983 DelUser(struct userNode* user, struct userNode *killer, int announce, const char *why)
2984 {
2985     unsigned int n;
2986
2987     verify(user);
2988
2989     /* mark them as dead, in case anybody cares */
2990     user->dead = 1;
2991
2992     /* remove pending adduser commands */
2993     wipe_adduser_pending(NULL, user);
2994
2995     /* remove user from all channels */
2996     while (user->channels.used > 0)
2997         DelChannelUser(user, user->channels.list[user->channels.used-1]->channel, false, 0);
2998
2999     /* Call these in reverse order so ChanServ can update presence
3000        information before NickServ nukes the handle_info. */
3001     for (n = duf_used; n > 0; )
3002         duf_list[--n](user, killer, why);
3003
3004     user->uplink->clients--;
3005     user->uplink->users[user->num_local] = NULL;
3006     if (IsOper(user))
3007         userList_remove(&curr_opers, user);
3008     /* remove from global dictionary, but not if after a collide */
3009     if (user == dict_find(clients, user->nick, NULL))
3010         dict_remove(clients, user->nick);
3011
3012     if (IsInvisible(user))
3013         invis_clients--;
3014
3015     if (announce) {
3016         if (IsLocal(user))
3017             irc_quit(user, why);
3018         else
3019             irc_kill(killer, user, why);
3020     }
3021
3022     modeList_clean(&user->channels);
3023
3024     /* Clean up version data */
3025     if(user->version_reply) {
3026         free(user->version_reply);
3027         user->version_reply = NULL;
3028     }
3029
3030     /* clean up mark */
3031     if(user->mark) {
3032         free(user->mark);
3033         user->mark = NULL;
3034     }
3035
3036     /* clean up geoip data if any */
3037     if(user->country_code) free(user->country_code);
3038     if(user->city) free(user->city);
3039     if(user->region) free(user->region);
3040     if(user->postal_code) free(user->postal_code);
3041
3042     /* We don't free them, in case we try to privmsg them or something
3043      * (like when a stupid oper kills themself).  We just put them onto
3044      * a list of clients that get freed after processing each line.
3045      */
3046     if (dead_users.size)
3047         userList_append(&dead_users, user);
3048     else
3049         free_user(user);
3050 }
3051
3052 static void call_oper_funcs(struct userNode *user);
3053
3054 void mod_usermode(struct userNode *user, const char *mode_change) {
3055     int add = 1;
3056     const char *word = mode_change;
3057
3058     if (!user || !mode_change)
3059         return;
3060
3061     call_user_mode_funcs(user, mode_change);
3062
3063     while (*word != ' ' && *word) word++;
3064     while (*word == ' ') word++;
3065     while (1) {
3066 #define do_user_mode(FLAG) do { if (add) user->modes |= FLAG; else user->modes &= ~FLAG; } while (0)
3067         switch (*mode_change++) {
3068         case 0: case ' ': return;
3069         case '+': add = 1; break;
3070         case '-': add = 0; break;
3071         case 'o':
3072             if (add) {
3073                 if(!IsOper(user)) { /* Dont re-oper an oper */
3074                     userList_append(&curr_opers, user);
3075                     call_oper_funcs(user);
3076                 }
3077             } else {
3078                 userList_remove(&curr_opers, user);
3079             }
3080             do_user_mode(FLAGS_OPER);
3081             break;
3082         case 'O': do_user_mode(FLAGS_LOCOP); break;
3083         case 'i': do_user_mode(FLAGS_INVISIBLE);
3084             if (add)
3085                 invis_clients++;
3086             else
3087                 invis_clients--;
3088             break;
3089         case 'w': do_user_mode(FLAGS_WALLOP); break;
3090         case 's': do_user_mode(FLAGS_SERVNOTICE); break;
3091         case 'd': do_user_mode(FLAGS_DEAF); break;
3092         case 'k': do_user_mode(FLAGS_SERVICE); break;
3093         case 'g': do_user_mode(FLAGS_GLOBAL); break;
3094         case 'B': do_user_mode(FLAGS_BOT); break;
3095         case 'n': do_user_mode(FLAGS_HIDECHANS); break;
3096         case 'I': do_user_mode(FLAGS_HIDEIDLE); break;
3097         case 'X': do_user_mode(FLAGS_XTRAOP); break;
3098         case 'C': do_user_mode(FLAGS_CLOAKHOST);
3099             if (*word) {
3100                 char cloakhost[MAXLEN];
3101                 unsigned int ii;
3102                 for (ii=0; (*word != ' ') && (*word != '\0'); )
3103                     cloakhost[ii++] = *word++;
3104                 cloakhost[ii] = 0;
3105                 while (*word == ' ')
3106                     word++;
3107                 safestrncpy(user->crypthost, cloakhost, sizeof(user->crypthost));
3108             }
3109             break;
3110         case 'c': do_user_mode(FLAGS_CLOAKIP);
3111             if (*word) {
3112                 char cloakip[MAXLEN];
3113                 unsigned int ii;
3114                 for (ii=0; (*word != ' ') && (*word != '\0'); )
3115                     cloakip[ii++] = *word++;
3116                 cloakip[ii] = 0;
3117                 while (*word == ' ')
3118                     word++;
3119                 safestrncpy(user->cryptip, cloakip, sizeof(user->cryptip));
3120             }
3121             break;
3122         // sethost - reed/apples
3123         // case 'h': do_user_mode(FLAGS_HELPER); break;
3124         // I check if there's an 'h' in the first part, and if there,
3125         // then everything after the space becomes their new host.
3126         case 'h': do_user_mode(FLAGS_SETHOST);
3127             if (*word) {
3128                 char sethost[MAXLEN];
3129                 unsigned int ii;
3130                 for (ii=0; (*word != ' ') && (*word != '\0'); )
3131                     sethost[ii++] = *word++;
3132                 sethost[ii] = 0;
3133                 while (*word == ' ')
3134                     word++;
3135                 safestrncpy(user->sethost, sethost, sizeof(user->sethost));
3136             }
3137             break;
3138         case 'x': do_user_mode(FLAGS_HIDDEN_HOST); break;
3139         case 'r':
3140             if (*word) {
3141                 char tag[MAXLEN];
3142                 unsigned int ii;
3143                 for (ii=0; (*word != ' ') && (*word != '\0'); )
3144                     tag[ii++] = *word++;
3145                 tag[ii] = 0;
3146                 while (*word == ' ')
3147                     word++;
3148                 call_account_func(user, tag);
3149             }
3150             break;
3151         case 'f':
3152             if (*word) {
3153                 char host[MAXLEN];
3154                 unsigned int ii;
3155                 for (ii=0; (*word != ' ') && (*word != '\0'); )
3156                     host[ii++] = *word++;
3157                 host[ii] = 0;
3158                 while (*word == ' ')
3159                     word++;
3160                 assign_fakehost(user, host, 0);
3161             }
3162             break;
3163         }
3164 #undef do_user_mode
3165     }
3166 }
3167
3168 struct mod_chanmode *
3169 mod_chanmode_parse(struct chanNode *channel, char **modes, unsigned int argc, unsigned int flags, short base_oplevel)
3170 {
3171     struct mod_chanmode *change;
3172     unsigned int ii, in_arg, ch_arg, add;
3173
3174     if (argc == 0)
3175         return NULL;
3176     if (!(change = mod_chanmode_alloc(argc - 1)))
3177         return NULL;
3178
3179     for (ii = ch_arg = 0, in_arg = add = 1;
3180          (modes[0][ii] != '\0') && (modes[0][ii] != ' ');
3181          ++ii) {
3182         switch (modes[0][ii]) {
3183         case '+':
3184             add = 1;
3185             break;
3186         case '-':
3187             add = 0;
3188             break;
3189 #define do_chan_mode(FLAG) do { if (add) change->modes_set |= (FLAG), change->modes_clear &= ~(FLAG); else change->modes_clear |= (FLAG), change->modes_set &= ~(FLAG); } while(0)
3190         case 'C': do_chan_mode(MODE_NOCTCPS); break;
3191         case 'D': do_chan_mode(MODE_DELAYJOINS); break;
3192         case 'c': do_chan_mode(MODE_NOCOLORS); break;
3193         case 'i': do_chan_mode(MODE_INVITEONLY); break;
3194         case 'm': do_chan_mode(MODE_MODERATED); break;
3195         case 'n': do_chan_mode(MODE_NOPRIVMSGS); break;
3196         case 'p': do_chan_mode(MODE_PRIVATE); break;
3197         case 'r': do_chan_mode(MODE_REGONLY); break;
3198         case 's': do_chan_mode(MODE_SECRET); break;
3199         case 't': do_chan_mode(MODE_TOPICLIMIT); break;
3200         case 'S': do_chan_mode(MODE_STRIPCOLOR); break;
3201         case 'M': do_chan_mode(MODE_MODUNREG); break;
3202         case 'N': do_chan_mode(MODE_NONOTICE); break;
3203         case 'Q': do_chan_mode(MODE_NOQUITMSGS); break;
3204         case 'T': do_chan_mode(MODE_NOAMSG); break;
3205         case 'O': do_chan_mode(MODE_OPERSONLY); break;
3206         case 'Z': do_chan_mode(MODE_SSLONLY); break;
3207         case 'L': do_chan_mode(MODE_HIDEMODE); break;
3208         case 'z':
3209           if (!(flags & MCP_REGISTERED)) {
3210            do_chan_mode(MODE_REGISTERED);
3211           } else {
3212            mod_chanmode_free(change);
3213            return NULL;
3214           }
3215           break;
3216 #undef do_chan_mode
3217         case 'l':
3218             if (add) {
3219                 if (in_arg >= argc)
3220                     goto error;
3221                 change->modes_set |= MODE_LIMIT;
3222                 change->new_limit = atoi(modes[in_arg++]);
3223             } else {
3224                 change->modes_set &= ~MODE_LIMIT;
3225                 change->modes_clear |= MODE_LIMIT;
3226             }
3227             break;
3228         case 'k':
3229             if (add) {
3230                 if (in_arg >= argc)
3231                     goto error;
3232                 change->modes_set |= MODE_KEY;
3233                 safestrncpy(change->new_key, modes[in_arg++], sizeof(change->new_key));
3234             } else {
3235                 change->modes_clear |= MODE_KEY;
3236                 if (!(flags & MCP_KEY_FREE)) {
3237                     if (in_arg >= argc)
3238                         goto error;
3239                     in_arg++;
3240                 }
3241             }
3242             break;
3243         case 'U':
3244             if (add)
3245             {
3246               if (in_arg >= argc)
3247                   goto error;
3248               change->modes_set |= MODE_UPASS;
3249               safestrncpy(change->new_upass, modes[in_arg++], sizeof(change->new_upass));
3250             } else {
3251                 change->modes_clear |= MODE_UPASS;
3252                 if (!(flags & MCP_UPASS_FREE)) {
3253                     if (in_arg >= argc)
3254                         goto error;
3255                     in_arg++;
3256                 }
3257             }
3258             break;
3259         case 'A':
3260             if (add) {
3261                 if (in_arg >= argc)
3262                     goto error;
3263                 change->modes_set |= MODE_APASS;
3264                 safestrncpy(change->new_apass, modes[in_arg++], sizeof(change->new_apass));
3265             } else {
3266                 change->modes_clear |= MODE_APASS;
3267                 if (!(flags & MCP_APASS_FREE)) {
3268                     if (in_arg >= argc)
3269                       goto error;
3270                     in_arg++;
3271                 }
3272             }
3273             break;
3274         case 'b':
3275             if (!(flags & MCP_ALLOW_OVB))
3276                 goto error;
3277             if (in_arg >= argc)
3278                 goto error;
3279             change->args[ch_arg].mode = MODE_BAN;
3280             if (!add)
3281                 change->args[ch_arg].mode |= MODE_REMOVE;
3282             change->args[ch_arg++].u.hostmask = modes[in_arg++];
3283             break;
3284         case 'e':
3285             if (!(flags & MCP_ALLOW_OVB))
3286                 goto error;
3287             if (in_arg >= argc)
3288                 goto error;
3289             change->args[ch_arg].mode = MODE_EXEMPT;
3290             if (!add)
3291                 change->args[ch_arg].mode |= MODE_REMOVE;
3292             change->args[ch_arg++].u.hostmask = modes[in_arg++];
3293             break;
3294         case 'o': case 'h': case 'v':
3295         {
3296             struct userNode *victim;
3297             char *oplevel_str;
3298             int oplevel;
3299
3300             if (in_arg >= argc)
3301                 goto error;
3302             oplevel_str = strchr(modes[in_arg], ':');
3303             if (oplevel_str)
3304             {
3305                 /* XXYYY M #channel +o XXYYY:<oplevel> */
3306                 *oplevel_str++ = '\0';
3307                 oplevel = parse_oplevel(oplevel_str);
3308                 if (oplevel <= base_oplevel && !(flags & MCP_FROM_SERVER))
3309                     oplevel = base_oplevel + 1;
3310             }
3311             else if (channel->modes & MODE_UPASS)
3312                 oplevel = base_oplevel + 1;
3313             else
3314                 oplevel = -1;
3315
3316             /* Check that oplevel is within bounds. */
3317             if (oplevel > MAXOPLEVEL)
3318                 oplevel = MAXOPLEVEL;
3319
3320             if (!(flags & MCP_ALLOW_OVB))
3321                 goto error;
3322             if (in_arg >= argc)
3323                 goto error;
3324
3325             if (modes[0][ii] == 'o')
3326                 change->args[ch_arg].mode = MODE_CHANOP;
3327             else if (modes[0][ii] == 'h')
3328                 change->args[ch_arg].mode = MODE_HALFOP;
3329             else if (modes[0][ii] == 'v')
3330                 change->args[ch_arg].mode = MODE_VOICE;
3331
3332             if (!add)
3333                 change->args[ch_arg].mode |= MODE_REMOVE;
3334             if (flags & MCP_FROM_SERVER)
3335                 victim = GetUserN(modes[in_arg++]);
3336             else
3337                 victim = GetUserH(modes[in_arg++]);
3338             if (!victim)
3339                 continue;
3340             if ((change->args[ch_arg].u.member = GetUserMode(channel, victim)))
3341             {
3342                 /* Apply the oplevel change */
3343                 change->args[ch_arg].u.member->oplevel = oplevel;
3344                 ch_arg++;
3345             }
3346             break;
3347         }
3348         default:
3349             if (!(flags & MCP_FROM_SERVER))
3350                 goto error;
3351             break;
3352         }
3353     }
3354     change->argc = ch_arg; /* in case any turned out to be ignored */
3355     if (change->modes_set & MODE_SECRET) {
3356         change->modes_set &= ~(MODE_PRIVATE);
3357         change->modes_clear |= MODE_PRIVATE;
3358     } else if (change->modes_set & MODE_PRIVATE) {
3359         change->modes_set &= ~(MODE_SECRET);
3360         change->modes_clear |= MODE_SECRET;
3361     }
3362     return change;
3363   error:
3364     mod_chanmode_free(change);
3365     return NULL;
3366 }
3367
3368 struct chanmode_buffer {
3369     char modes[MAXLEN];
3370     char args[MAXLEN];
3371     struct chanNode *channel;
3372     struct userNode *actor;
3373     unsigned int modes_used;
3374     unsigned int args_used;
3375     size_t chname_len;
3376     unsigned int is_add : 1;
3377     unsigned int is_chanop : 1;
3378 };
3379
3380 static void
3381 mod_chanmode_append(struct chanmode_buffer *buf, char ch, const char *arg)
3382 {
3383     size_t arg_len = strlen(arg);
3384     if (buf->modes_used > (MAXMODEPARAMS) ||
3385         buf->modes_used + buf->args_used + buf->chname_len + arg_len > 450) {
3386         memcpy(buf->modes + buf->modes_used, buf->args, buf->args_used);
3387         buf->modes[buf->modes_used + buf->args_used] = '\0';
3388         irc_mode((buf->is_chanop ? buf->actor : NULL), buf->channel, buf->modes);
3389         buf->modes[0] = buf->is_add ? '+' : '-';
3390         buf->modes_used = 1;
3391         buf->args_used = 0;
3392     }
3393     buf->modes[buf->modes_used++] = ch;
3394     buf->args[buf->args_used++] = ' ';
3395     memcpy(buf->args + buf->args_used, arg, arg_len);
3396     buf->args_used += arg_len;
3397 }
3398
3399 void
3400 mod_chanmode_announce(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change)
3401 {
3402     struct chanmode_buffer chbuf;
3403     unsigned int arg;
3404     struct modeNode *mn;
3405     char int_buff[32], mode = '\0';
3406
3407     assert(change->argc <= change->alloc_argc);
3408     memset(&chbuf, 0, sizeof(chbuf));
3409     chbuf.channel = channel;
3410     chbuf.actor = who;
3411     chbuf.chname_len = strlen(channel->name);
3412
3413     mn = GetUserMode(channel, who);
3414     if ((mn && (mn->modes & MODE_CHANOP)) || off_channel)
3415         chbuf.is_chanop = 1;
3416
3417     /* First remove modes */
3418     chbuf.is_add = 0;
3419     if (change->modes_clear) {
3420         if (mode != '-')
3421             chbuf.modes[chbuf.modes_used++] = mode = '-';
3422 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
3423         DO_MODE_CHAR(PRIVATE, 'p');
3424         DO_MODE_CHAR(SECRET, 's');
3425         DO_MODE_CHAR(MODERATED, 'm');
3426         DO_MODE_CHAR(TOPICLIMIT, 't');
3427         DO_MODE_CHAR(INVITEONLY, 'i');
3428         DO_MODE_CHAR(NOPRIVMSGS, 'n');
3429         DO_MODE_CHAR(LIMIT, 'l');
3430         DO_MODE_CHAR(DELAYJOINS, 'D');
3431         DO_MODE_CHAR(REGONLY, 'r');
3432         DO_MODE_CHAR(NOCOLORS, 'c');
3433         DO_MODE_CHAR(NOCTCPS, 'C');
3434         DO_MODE_CHAR(STRIPCOLOR, 'S');
3435         DO_MODE_CHAR(MODUNREG, 'M');
3436         DO_MODE_CHAR(NONOTICE, 'N');
3437         DO_MODE_CHAR(NOQUITMSGS, 'Q');
3438         DO_MODE_CHAR(NOAMSG, 'T');
3439         DO_MODE_CHAR(OPERSONLY, 'O');
3440         DO_MODE_CHAR(REGISTERED, 'z');
3441         DO_MODE_CHAR(SSLONLY, 'Z');
3442         DO_MODE_CHAR(HIDEMODE, 'L');
3443 #undef DO_MODE_CHAR
3444         if (change->modes_clear & channel->modes & MODE_KEY)
3445             mod_chanmode_append(&chbuf, 'k', channel->key);
3446         if (change->modes_clear & channel->modes & MODE_UPASS)
3447             mod_chanmode_append(&chbuf, 'U', channel->upass);
3448         if (change->modes_clear * channel->modes & MODE_APASS)
3449             mod_chanmode_append(&chbuf, 'A', channel->apass);
3450     }
3451     for (arg = 0; arg < change->argc; ++arg) {
3452         if (!(change->args[arg].mode & MODE_REMOVE))
3453             continue;
3454         if (mode != '-')
3455             chbuf.modes[chbuf.modes_used++] = mode = '-';
3456         switch (change->args[arg].mode & ~MODE_REMOVE) {
3457         case MODE_BAN:
3458             mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
3459             break;
3460         case MODE_EXEMPT:
3461             mod_chanmode_append(&chbuf, 'e', change->args[arg].u.hostmask);
3462             break;
3463         default:
3464             if (change->args[arg].mode & MODE_CHANOP)
3465                 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->numeric);
3466             if (change->args[arg].mode & MODE_HALFOP)
3467                 mod_chanmode_append(&chbuf, 'h', change->args[arg].u.member->user->numeric);
3468             if (change->args[arg].mode & MODE_VOICE)
3469                 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->numeric);
3470             break;
3471         }
3472     }
3473
3474     /* Then set them */
3475     chbuf.is_add = 1;
3476     if (change->modes_set) {
3477         if (mode != '+')
3478             chbuf.modes[chbuf.modes_used++] = mode = '+';
3479 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
3480         DO_MODE_CHAR(PRIVATE, 'p');
3481         DO_MODE_CHAR(SECRET, 's');
3482         DO_MODE_CHAR(MODERATED, 'm');
3483         DO_MODE_CHAR(TOPICLIMIT, 't');
3484         DO_MODE_CHAR(INVITEONLY, 'i');
3485         DO_MODE_CHAR(NOPRIVMSGS, 'n');
3486         DO_MODE_CHAR(DELAYJOINS, 'D');
3487         DO_MODE_CHAR(REGONLY, 'r');
3488         DO_MODE_CHAR(NOCOLORS, 'c');
3489         DO_MODE_CHAR(NOCTCPS, 'C');
3490         DO_MODE_CHAR(STRIPCOLOR, 'S');
3491         DO_MODE_CHAR(MODUNREG, 'M');
3492         DO_MODE_CHAR(NONOTICE, 'N');
3493         DO_MODE_CHAR(NOQUITMSGS, 'Q');
3494         DO_MODE_CHAR(NOAMSG, 'T');
3495         DO_MODE_CHAR(OPERSONLY, 'O');
3496         DO_MODE_CHAR(REGISTERED, 'z');
3497         DO_MODE_CHAR(SSLONLY, 'Z');
3498         DO_MODE_CHAR(HIDEMODE, 'L');
3499 #undef DO_MODE_CHAR
3500         if(change->modes_set & MODE_KEY)
3501             mod_chanmode_append(&chbuf, 'k', change->new_key);
3502         if (change->modes_set & MODE_UPASS)
3503             mod_chanmode_append(&chbuf, 'U', change->new_upass);
3504         if (change->modes_set & MODE_APASS)
3505             mod_chanmode_append(&chbuf, 'A', change->new_apass);
3506         if(change->modes_set & MODE_LIMIT) {
3507             sprintf(int_buff, "%d", change->new_limit);
3508             mod_chanmode_append(&chbuf, 'l', int_buff);
3509         }
3510     }
3511     for (arg = 0; arg < change->argc; ++arg) {
3512         if (change->args[arg].mode & MODE_REMOVE)
3513             continue;
3514         if (mode != '+')
3515             chbuf.modes[chbuf.modes_used++] = mode = '+';
3516         switch (change->args[arg].mode) {
3517         case MODE_BAN:
3518             mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
3519             break;
3520         case MODE_EXEMPT:
3521             mod_chanmode_append(&chbuf, 'e', change->args[arg].u.hostmask);
3522             break;
3523         default:
3524             if (change->args[arg].mode & MODE_CHANOP)
3525                 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->numeric);
3526             if (change->args[arg].mode & MODE_HALFOP)
3527                 mod_chanmode_append(&chbuf, 'h', change->args[arg].u.member->user->numeric);
3528             if (change->args[arg].mode & MODE_VOICE)
3529                 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->numeric);
3530             break;
3531         }
3532     }
3533
3534     /* Flush the buffer and apply changes locally */
3535     if (chbuf.modes_used > 0) {
3536         memcpy(chbuf.modes + chbuf.modes_used, chbuf.args, chbuf.args_used);
3537         chbuf.modes[chbuf.modes_used + chbuf.args_used] = '\0';
3538         irc_mode((chbuf.is_chanop ? chbuf.actor : NULL), chbuf.channel, chbuf.modes);
3539     }
3540     mod_chanmode_apply(who, channel, change);
3541 }
3542
3543 char *
3544 mod_chanmode_format(struct mod_chanmode *change, char *outbuff)
3545 {
3546     unsigned int used = 0;
3547     assert(change->argc <= change->alloc_argc);
3548     if (change->modes_clear) {
3549         outbuff[used++] = '-';
3550 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) outbuff[used++] = CHAR
3551         DO_MODE_CHAR(PRIVATE, 'p');
3552         DO_MODE_CHAR(SECRET, 's');
3553         DO_MODE_CHAR(MODERATED, 'm');
3554         DO_MODE_CHAR(TOPICLIMIT, 't');
3555         DO_MODE_CHAR(INVITEONLY, 'i');
3556         DO_MODE_CHAR(NOPRIVMSGS, 'n');
3557         DO_MODE_CHAR(LIMIT, 'l');
3558         DO_MODE_CHAR(KEY, 'k');
3559         DO_MODE_CHAR(UPASS, 'U');
3560         DO_MODE_CHAR(APASS, 'A');
3561         DO_MODE_CHAR(DELAYJOINS, 'D');
3562         DO_MODE_CHAR(REGONLY, 'r');
3563         DO_MODE_CHAR(NOCOLORS, 'c');
3564         DO_MODE_CHAR(NOCTCPS, 'C');
3565         DO_MODE_CHAR(STRIPCOLOR, 'S');
3566         DO_MODE_CHAR(MODUNREG, 'M');
3567         DO_MODE_CHAR(NONOTICE, 'N');
3568         DO_MODE_CHAR(NOQUITMSGS, 'Q');
3569         DO_MODE_CHAR(NOAMSG, 'T');
3570         DO_MODE_CHAR(OPERSONLY, 'O');
3571         DO_MODE_CHAR(REGISTERED, 'z');
3572         DO_MODE_CHAR(SSLONLY, 'Z');
3573         DO_MODE_CHAR(HIDEMODE, 'L');
3574 #undef DO_MODE_CHAR
3575     }
3576     if (change->modes_set) {
3577         outbuff[used++] = '+';
3578 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) outbuff[used++] = CHAR
3579         DO_MODE_CHAR(PRIVATE, 'p');
3580         DO_MODE_CHAR(SECRET, 's');
3581         DO_MODE_CHAR(MODERATED, 'm');
3582         DO_MODE_CHAR(TOPICLIMIT, 't');
3583         DO_MODE_CHAR(INVITEONLY, 'i');
3584         DO_MODE_CHAR(NOPRIVMSGS, 'n');
3585         DO_MODE_CHAR(DELAYJOINS, 'D');
3586         DO_MODE_CHAR(REGONLY, 'r');
3587         DO_MODE_CHAR(NOCOLORS, 'c');
3588         DO_MODE_CHAR(NOCTCPS, 'C');
3589         DO_MODE_CHAR(STRIPCOLOR, 'S');
3590         DO_MODE_CHAR(MODUNREG, 'M');
3591         DO_MODE_CHAR(NONOTICE, 'N');
3592         DO_MODE_CHAR(NOQUITMSGS, 'Q');
3593         DO_MODE_CHAR(NOAMSG, 'T');
3594         DO_MODE_CHAR(OPERSONLY, 'O');
3595         DO_MODE_CHAR(REGISTERED, 'z');
3596         DO_MODE_CHAR(SSLONLY, 'Z');
3597         DO_MODE_CHAR(HIDEMODE, 'L');
3598 #undef DO_MODE_CHAR
3599         switch (change->modes_set & (MODE_KEY|MODE_LIMIT|MODE_APASS|MODE_UPASS)) {
3600         /* Doing this implementation has been a pain in the arse, I hope I didn't forget a possible combination */
3601         case MODE_KEY|MODE_LIMIT|MODE_APASS|MODE_UPASS:
3602             used += sprintf(outbuff+used, "lkAU %d %s %s %s", change->new_limit, change->new_key,change->new_apass, change->new_upass);
3603             break;
3604
3605         case MODE_KEY|MODE_LIMIT|MODE_APASS:
3606             used += sprintf(outbuff+used, "lkA %d %s %s", change->new_limit, change->new_key, change->new_apass);
3607             break;
3608         case MODE_KEY|MODE_LIMIT|MODE_UPASS:
3609             used += sprintf(outbuff+used, "lkU %d %s %s", change->new_limit, change->new_key, change->new_upass);
3610             break;
3611         case MODE_KEY|MODE_APASS|MODE_UPASS:
3612             used += sprintf(outbuff+used, "kAU %s %s %s", change->new_key, change->new_apass, change->new_upass);
3613             break;
3614
3615         case MODE_KEY|MODE_APASS:
3616             used += sprintf(outbuff+used, "kA %s %s", change->new_key, change->new_apass);
3617             break;
3618         case MODE_KEY|MODE_UPASS:
3619             used += sprintf(outbuff+used, "kU %s %s", change->new_key, change->new_upass);
3620             break;
3621         case MODE_KEY|MODE_LIMIT:
3622             used += sprintf(outbuff+used, "lk %d %s", change->new_limit, change->new_key);
3623             break;
3624
3625         case MODE_LIMIT|MODE_UPASS:
3626             used += sprintf(outbuff+used, "lU %d %s", change->new_limit, change->new_upass);
3627             break;
3628         case MODE_LIMIT|MODE_APASS:
3629             used += sprintf(outbuff+used, "lA %d %s", change->new_limit, change->new_apass);
3630             break;
3631         case MODE_APASS|MODE_UPASS:
3632             used += sprintf(outbuff+used, "AU %s %s", change->new_apass, change->new_upass);
3633
3634         case MODE_LIMIT|MODE_APASS|MODE_UPASS:
3635             used += sprintf(outbuff+used, "lAU %d %s %s", change->new_limit, change->new_apass, change->new_upass);
3636             break;
3637
3638         case MODE_APASS:
3639             used += sprintf(outbuff+used, "A %s", change->new_apass);
3640             break;
3641         case MODE_UPASS:
3642             used += sprintf(outbuff+used, "U %s", change->new_upass);
3643             break;
3644         case MODE_KEY:
3645             used += sprintf(outbuff+used, "k %s", change->new_key);
3646             break;
3647         case MODE_LIMIT:
3648             used += sprintf(outbuff+used, "l %d", change->new_limit);
3649             break;
3650         }
3651     }
3652     outbuff[used] = 0;
3653     return outbuff;
3654 }
3655
3656 static int
3657 clear_chanmode(struct chanNode *channel, const char *modes)
3658 {
3659     unsigned int remove;
3660
3661     for (remove = 0; *modes; modes++) {
3662         switch (*modes) {
3663         case 'o': remove |= MODE_CHANOP; break;
3664         case 'h': remove |= MODE_HALFOP; break;
3665         case 'v': remove |= MODE_VOICE; break;
3666         case 'p': remove |= MODE_PRIVATE; break;
3667         case 's': remove |= MODE_SECRET; break;
3668         case 'm': remove |= MODE_MODERATED; break;
3669         case 't': remove |= MODE_TOPICLIMIT; break;
3670         case 'i': remove |= MODE_INVITEONLY; break;
3671         case 'n': remove |= MODE_NOPRIVMSGS; break;
3672         case 'k':
3673             remove |= MODE_KEY;
3674             channel->key[0] = '\0';
3675             break;
3676         case 'A':
3677             remove |= MODE_APASS;
3678             channel->apass[0] = '\0';
3679             break;
3680         case 'U':
3681             remove |= MODE_UPASS;
3682             channel->upass[0] = '\0';
3683             break;
3684         case 'l':
3685             remove |= MODE_LIMIT;
3686             channel->limit = 0;
3687             break;
3688         case 'b': remove |= MODE_BAN; break;
3689         case 'e': remove |= MODE_EXEMPT; break;
3690         case 'D': remove |= MODE_DELAYJOINS; break;
3691         case 'r': remove |= MODE_REGONLY; break;
3692         case 'c': remove |= MODE_NOCOLORS; break;
3693         case 'C': remove |= MODE_NOCTCPS; break;
3694         case 'S': remove |= MODE_STRIPCOLOR; break;
3695         case 'M': remove |= MODE_MODUNREG; break;
3696         case 'N': remove |= MODE_NONOTICE; break;
3697         case 'Q': remove |= MODE_NOQUITMSGS; break;
3698         case 'T': remove |= MODE_NOAMSG; break;
3699         case 'O': remove |= MODE_OPERSONLY; break;
3700         case 'z': remove |= MODE_REGISTERED; break;
3701         case 'Z': remove |= MODE_SSLONLY; break;
3702         case 'L': remove |= MODE_HIDEMODE; break;
3703         }
3704     }
3705
3706     if (!remove)
3707         return 1;
3708
3709     /* Remove simple modes. */
3710     channel->modes &= ~remove;
3711
3712     /* If removing bans, kill 'em all. */
3713     if ((remove & MODE_BAN) && channel->banlist.used) {
3714         unsigned int i;
3715         for (i=0; i<channel->banlist.used; i++)
3716             free(channel->banlist.list[i]);
3717         channel->banlist.used = 0;
3718     }
3719
3720     /* If removing exempts, kill 'em all. */
3721     if ((remove & MODE_EXEMPT) && channel->exemptlist.used) {
3722         unsigned int i;
3723         for (i=0; i<channel->exemptlist.used; i++)
3724             free(channel->exemptlist.list[i]);
3725         channel->exemptlist.used = 0;
3726     }
3727
3728     /* Remove member modes. */
3729     if ((remove & (MODE_CHANOP | MODE_HALFOP | MODE_VOICE)) && channel->members.used) {
3730         int mask = ~(remove & (MODE_CHANOP | MODE_HALFOP | MODE_VOICE));
3731         unsigned int i;
3732
3733         for (i = 0; i < channel->members.used; i++)
3734             channel->members.list[i]->modes &= mask;
3735     }
3736
3737     return 1;
3738 }
3739
3740 void
3741 reg_privmsg_func(struct userNode *user, privmsg_func_t handler)
3742 {
3743     unsigned int numeric = user->num_local;
3744     if (numeric >= num_privmsg_funcs) {
3745         int newnum = numeric + 8;
3746         privmsg_funcs = realloc(privmsg_funcs, newnum*sizeof(privmsg_func_t));
3747         memset(privmsg_funcs+num_privmsg_funcs, 0, (newnum-num_privmsg_funcs)*sizeof(privmsg_func_t));
3748         num_privmsg_funcs = newnum;
3749     }
3750     if (privmsg_funcs[numeric])
3751         log_module(MAIN_LOG, LOG_WARNING, "re-registering new privmsg handler for numeric %d", numeric);
3752     privmsg_funcs[numeric] = handler;
3753 }
3754
3755 void
3756 unreg_privmsg_func(struct userNode *user, privmsg_func_t handler)
3757 {
3758     unsigned int x;
3759
3760     if (!user || handler)
3761       return; /* this really only works with users */
3762
3763     memset(privmsg_funcs+user->num_local, 0, sizeof(privmsg_func_t));
3764
3765     for (x = user->num_local+1; x < num_privmsg_funcs; x++)
3766        memmove(privmsg_funcs+x-1, privmsg_funcs+x, sizeof(privmsg_func_t));
3767
3768     privmsg_funcs = realloc(privmsg_funcs, num_privmsg_funcs*sizeof(privmsg_func_t));
3769     num_privmsg_funcs--;
3770 }
3771
3772
3773 void
3774 reg_notice_func(struct userNode *user, privmsg_func_t handler)
3775 {
3776     unsigned int numeric = user->num_local;
3777     if (numeric >= num_notice_funcs) {
3778         int newnum = numeric + 8;
3779         notice_funcs = realloc(notice_funcs, newnum*sizeof(privmsg_func_t));
3780         memset(notice_funcs+num_notice_funcs, 0, (newnum-num_notice_funcs)*sizeof(privmsg_func_t));
3781         num_notice_funcs = newnum;
3782     }
3783     if (notice_funcs[numeric])
3784         log_module(MAIN_LOG, LOG_WARNING, "re-registering new notice handler for numeric %d", numeric);
3785     notice_funcs[numeric] = handler;
3786 }
3787
3788 void
3789 unreg_notice_func(struct userNode *user, privmsg_func_t handler)
3790 {
3791     unsigned int x;
3792
3793     if (!user || handler)
3794           return; /* this really only works with users */
3795
3796     memset(notice_funcs+user->num_local, 0, sizeof(privmsg_func_t));
3797
3798     for (x = user->num_local+1; x < num_notice_funcs; x++)
3799        memmove(notice_funcs+x-1, notice_funcs+x, sizeof(privmsg_func_t));
3800
3801     memset(notice_funcs+user->num_local, 0, sizeof(privmsg_func_t));
3802     notice_funcs = realloc(notice_funcs, num_notice_funcs*sizeof(privmsg_func_t));
3803     num_notice_funcs--;
3804 }
3805
3806 void
3807 reg_oper_func(oper_func_t handler)
3808 {
3809     if (of_used == of_size) {
3810         if (of_size) {
3811             of_size <<= 1;
3812             of_list = realloc(of_list, of_size*sizeof(oper_func_t));
3813         } else {
3814             of_size = 8;
3815             of_list = malloc(of_size*sizeof(oper_func_t));
3816         }
3817     }
3818     of_list[of_used++] = handler;
3819 }
3820
3821 static void
3822 call_oper_funcs(struct userNode *user)
3823 {
3824     unsigned int n;
3825     if (IsLocal(user))
3826         return;
3827     for (n=0; n<of_used; n++)
3828         of_list[n](user);
3829 }
3830
3831 static void
3832 send_burst(void)
3833 {
3834     unsigned int i, hop, max_hop=1;
3835     dict_iterator_t it;
3836
3837     /* burst (juped) servers, closest first (except self, which is sent already) */
3838     for (i=0; i<ArrayLength(servers_num); i++)
3839         if (servers_num[i] && servers_num[i]->hops > max_hop)
3840             max_hop = servers_num[i]->hops;
3841     for (hop=1; hop<=max_hop; hop++) {
3842         for (i=0;i<ArrayLength(servers_num);i++) {
3843             if (servers_num[i]
3844                 && (servers_num[i]->hops == hop)
3845                 && (servers_num[i] != self->uplink))
3846                 irc_server(servers_num[i]);
3847         }
3848     }
3849
3850     /* burst local nicks */
3851     for (i=0; i<=self->num_mask; i++)
3852         if (self->users[i])
3853             irc_user(self->users[i]);
3854
3855     /* build dict of unbursted channel names (just copy existing channels) */
3856     unbursted_channels = dict_new();
3857     for (it = dict_first(channels); it; it = iter_next(it))
3858         dict_insert(unbursted_channels, iter_key(it), iter_data(it));
3859 }
3860
3861 /*
3862  * Oplevel parsing
3863  */
3864 static int
3865 parse_oplevel(char *str)
3866 {
3867     int oplevel = 0;
3868     while (isdigit(*str))
3869         oplevel = oplevel * 10 + *str++ - '0';
3870     return oplevel;
3871 }
3872