#ifdef LEAF /* * * chan.c -- part of irc.mod * almost everything to do with channel manipulation * telling channel status * 'who' response * user kickban, kick, op, deop * idle kicking * */ static time_t last_ctcp = (time_t) 0L; static int count_ctcp = 0; static time_t last_invtime = (time_t) 0L; static char last_invchan[300] = ""; /* ID length for !channels. */ #define CHANNEL_ID_LEN 5 /* Returns a pointer to a new channel member structure. */ static memberlist *newmember(struct chanset_t *chan, char * nick) { memberlist *x = NULL, *lx = NULL, *n = NULL; x = chan->channel.member; lx = NULL; while (x && x->nick[0] && (rfc_casecmp(x->nick, nick)<0)) { lx = x; x = x->next; } n = (memberlist *) calloc(1, sizeof(memberlist)); n->next = NULL; strncpyz(n->nick, nick, sizeof(n->nick)); n->split = 0L; n->last = 0L; n->delay = 0L; n->hops = -1; if (!lx) { n->next = chan->channel.member; chan->channel.member=n; } else { n->next = lx->next; lx->next = n; } chan->channel.members++; return n; } /* Always pass the channel dname (display name) to this function */ static void update_idle(char *chname, char *nick) { memberlist *m = NULL; struct chanset_t *chan = NULL; chan = findchan_by_dname(chname); if (chan) { m = ismember(chan, nick); if (m) m->last = now; } } /* Returns the current channel mode. */ static char *getchanmode(struct chanset_t *chan) { static char s[121] = ""; int atr, i; s[0] = '+'; i = 1; atr = chan->channel.mode; if (atr & CHANINV) s[i++] = 'i'; if (atr & CHANPRIV) s[i++] = 'p'; if (atr & CHANSEC) s[i++] = 's'; if (atr & CHANMODER) s[i++] = 'm'; if (atr & CHANNOCLR) s[i++] = 'c'; if (atr & CHANNOCTCP) s[i++] = 'C'; if (atr & CHANREGON) s[i++] = 'R'; if (atr & CHANTOPIC) s[i++] = 't'; if (atr & CHANMODR) s[i++] = 'M'; if (atr & CHANLONLY) s[i++] = 'r'; if (atr & CHANNOMSG) s[i++] = 'n'; if (atr & CHANANON) s[i++] = 'a'; if (atr & CHANKEY) s[i++] = 'k'; if (chan->channel.maxmembers != 0) s[i++] = 'l'; s[i] = 0; if (chan->channel.key[0]) i += sprintf(s + i, " %s", chan->channel.key); if (chan->channel.maxmembers != 0) sprintf(s + i, " %d", chan->channel.maxmembers); return s; } static void check_exemptlist(struct chanset_t *chan, char *from) { masklist *e = NULL; int ok = 0; if (!use_exempts) return; for (e = chan->channel.exempt; e->mask[0]; e = e->next) if (wild_match(e->mask, from)) { add_mode(chan, '-', 'e', e->mask); ok = 1; } if (prevent_mixing && ok) flush_mode(chan, QUICK); } void priority_do(struct chanset_t * chan, int opsonly, int action) { memberlist *m = NULL; int ops = 0, targets = 0, bpos = 0, tpos = 0, ft = 0, ct = 0, actions = 0, sent = 0; if (!me_op(chan)) return; if (channel_pending(chan) || !shouldjoin(chan) || !channel_active(chan)) return; for (m = chan->channel.member; m && m->nick[0]; m = m->next) { if (!m->user) { char s[256] = ""; sprintf(s, "%s!%s", m->nick, m->userhost); m->user = get_user_by_host(s); } if (m->user && ((m->user->flags & (USER_BOT | USER_OP)) == (USER_BOT | USER_OP))) { ops++; if (!strcmp(m->nick, botname)) bpos = (ops - 1); } else if (!opsonly || chan_hasop(m)) { struct flag_record fr = { FR_GLOBAL | FR_CHAN, 0, 0}; if (m->user) get_user_flagrec(m->user, &fr, chan->dname); if (((glob_deop(fr) && !chan_op(fr)) || chan_deop(fr)) || //+d ? ((!channel_private(chan) && !chan_op(fr) && !glob_op(fr)) || //simply no +o flag. (channel_private(chan) && !glob_bot(fr) && !glob_owner(fr) && !chan_op(fr)))) { //private? targets++; } } } if (!targets || !ops) return; ft = (bpos * targets) / ops; ct = ((bpos + 2) * targets + (ops - 1)) / ops; ct = (ct - ft + 1); if (ct > 20) ct = 20; while (ft >= targets) ft -= targets; actions = 0; sent = 0; for (m = chan->channel.member; m && m->nick[0]; m = m->next) { if (!opsonly || chan_hasop(m)) { struct flag_record fr = { FR_GLOBAL | FR_CHAN, 0, 0}; if (m->user) get_user_flagrec(m->user, &fr, chan->dname); if (((glob_deop(fr) && !chan_op(fr)) || chan_deop(fr)) || ((!channel_private(chan) && !chan_op(fr) && !glob_op(fr)) || (channel_private(chan) && !glob_bot(fr) && !glob_owner(fr) && !chan_op(fr)))) { if (tpos >= ft) { if ((action == PRIO_DEOP) && !chan_sentdeop(m)) { actions++; sent++; add_mode(chan, '-', 'o', m->nick); if (actions >= ct) { flush_mode(chan, QUICK); return; } } else if ((action == PRIO_KICK) && !chan_sentkick(m)) { actions++; sent++; if (chan->closed_ban) doban(chan, m); dprintf(DP_MODE, "KICK %s %s :%s%s\n", chan->name, m->nick, kickprefix, kickreason(KICK_CLOSED)); m->flags |= SENTKICK; if (actions >= ct) return; } } tpos++; } } } ct = ct - actions; if (ct > ft) ct = ft; ft = 0; actions = 0; tpos = 0; for (m = chan->channel.member; m && m->nick[0]; m = m->next) { if (!opsonly || chan_hasop(m)) { struct flag_record fr = { FR_GLOBAL | FR_CHAN, 0, 0}; if (m->user) get_user_flagrec(m->user, &fr, chan->dname); if (((glob_deop(fr) && !chan_op(fr)) || chan_deop(fr)) || ((!channel_private(chan) && !chan_op(fr) && !glob_op(fr)) || (channel_private(chan) && !glob_bot(fr) && !glob_owner(fr) && !chan_op(fr)))) { if (tpos >= ft) { if ((action == PRIO_DEOP) && !chan_sentdeop(m)) { actions++; sent++; add_mode(chan, '-', 'o', m->nick); if ((actions >= ct) || (sent > 20)) { flush_mode(chan, QUICK); return; } } else if ((action == PRIO_KICK) && !chan_sentkick(m)) { actions++; if (chan->closed_ban) doban(chan, m); dprintf(DP_MODE, "KICK %s %s :%s%s\n", chan->name, m->nick, kickprefix, kickreason(KICK_CLOSED)); m->flags |= SENTKICK; if ((actions >= ct) || (sent > 5)) return; } } tpos++; } } } } /* lame code static int target_priority(struct chanset_t * chan, memberlist *target, int opsonly) { memberlist *m; int ops = 0, targets = 0, bpos = 0, ft = 0, ct = 0, tp = (-1), pos = 0; return 1; for (m = chan->channel.member; m && m->nick[0]; m = m->next) { if (m->user && ((m->user->flags & (USER_BOT | USER_OP)) == (USER_BOT | USER_OP))) { ops++; if (match_my_nick(m->nick)) bpos = ops; } else if (!opsonly || chan_hasop(m)) { struct flag_record fr = { FR_GLOBAL | FR_CHAN, 0, 0}; if (m->user) get_user_flagrec(m->user, &fr, chan->dname); if (((glob_deop(fr) && !chan_op(fr)) || chan_deop(fr)) || ((!channel_private(chan) && !chan_op(fr) && !glob_op(fr)) || (channel_private(chan) && !glob_bot(fr) && !glob_owner(fr) && !chan_op(fr)))) { targets++; } } if (m == target) tp = pos; pos++; } if (!targets || !ops || (tp < 0)) { return 0; } ft = (bpos * targets) / ops; ct = ((bpos + 2) * targets + (ops - 1)) / ops; ct = (ct - ft + 1); if (ct > 20) ct = 20; while (ft >= targets) { ft -= targets; } if (ct >= targets) { putlog(LOG_MISC, "*", "%s 1 ct >= targets; ct %d targets %d", target, ct, targets); if ((tp >= ft) || (tp <= (ct % targets))) { putlog(LOG_MISC, "*", "%s (1) first if, tp %d ft %d ct/targets %d", target, tp, ft, (ct % targets)); return 1; } } else { putlog(LOG_MISC, "*", "%s 2 else, ct %d targets %d", target, ct, targets); if ((tp >= ft) && (tp <= ct)) { putlog(LOG_MISC, "*", "%s (1) second if, tp %d ft %d", target, tp, ft); return 1; } } putlog(LOG_MISC, "*", "%s (0) returning 0", target); return 0; } */ /* Check a channel and clean-out any more-specific matching masks. * * Moved all do_ban(), do_exempt() and do_invite() into this single function * as the code bloat is starting to get rediculous */ static void do_mask(struct chanset_t *chan, masklist *m, char *mask, char Mode) { for (; m && m->mask[0]; m = m->next) if (wild_match(mask, m->mask) && rfc_casecmp(mask, m->mask)) add_mode(chan, '-', Mode, m->mask); add_mode(chan, '+', Mode, mask); flush_mode(chan, QUICK); } /* This is a clone of detect_flood, but works for channel specificity now * and handles kick & deop as well. */ static int detect_chan_flood(char *floodnick, char *floodhost, char *from, struct chanset_t *chan, int which, char *victim) { char h[UHOSTLEN] = "", ftype[12] = "", *p = NULL; struct userrec *u = NULL; memberlist *m = NULL; int thr = 0, lapse = 0; struct flag_record fr = {FR_GLOBAL | FR_CHAN, 0, 0}; if (!chan || (which < 0) || (which >= FLOOD_CHAN_MAX)) return 0; m = ismember(chan, floodnick); /* Do not punish non-existant channel members and IRC services like * ChanServ */ if (!m && (which != FLOOD_JOIN)) return 0; get_user_flagrec(get_user_by_host(from), &fr, chan->dname); if (glob_bot(fr) || ((which == FLOOD_DEOP) && (glob_master(fr) || chan_master(fr))) || ((which == FLOOD_KICK) && (glob_master(fr) || chan_master(fr))) || ((which != FLOOD_DEOP) && (which != FLOOD_KICK) && (glob_noflood(fr) || chan_noflood(fr)))) return 0; /* Determine how many are necessary to make a flood. */ switch (which) { case FLOOD_PRIVMSG: case FLOOD_NOTICE: thr = chan->flood_pub_thr; lapse = chan->flood_pub_time; strcpy(ftype, "pub"); break; case FLOOD_CTCP: thr = chan->flood_ctcp_thr; lapse = chan->flood_ctcp_time; strcpy(ftype, "pub"); break; case FLOOD_NICK: thr = chan->flood_nick_thr; lapse = chan->flood_nick_time; strcpy(ftype, "nick"); break; case FLOOD_JOIN: thr = chan->flood_join_thr; lapse = chan->flood_join_time; strcpy(ftype, "join"); break; case FLOOD_DEOP: thr = chan->flood_deop_thr; lapse = chan->flood_deop_time; strcpy(ftype, "deop"); break; case FLOOD_KICK: thr = chan->flood_kick_thr; lapse = chan->flood_kick_time; strcpy(ftype, "kick"); break; } if ((thr == 0) || (lapse == 0)) return 0; /* no flood protection */ /* Okay, make sure i'm not flood-checking myself */ if (match_my_nick(floodnick)) return 0; if (!egg_strcasecmp(floodhost, botuserhost)) return 0; /* My user@host (?) */ if ((which == FLOOD_KICK) || (which == FLOOD_DEOP)) p = floodnick; else { p = strchr(floodhost, '@'); if (p) { p++; } if (!p) return 0; } if (rfc_casecmp(chan->floodwho[which], p)) { /* new */ strncpy(chan->floodwho[which], p, 81); chan->floodwho[which][81] = 0; chan->floodtime[which] = now; chan->floodnum[which] = 1; return 0; } if (chan->floodtime[which] < now - lapse) { /* Flood timer expired, reset it */ chan->floodtime[which] = now; chan->floodnum[which] = 1; return 0; } /* Deop'n the same person, sillyness ;) - so just ignore it */ if (which == FLOOD_DEOP) { if (!rfc_casecmp(chan->deopd, victim)) return 0; else strcpy(chan->deopd, victim); } chan->floodnum[which]++; if (chan->floodnum[which] >= thr) { /* FLOOD */ /* Reset counters */ chan->floodnum[which] = 0; chan->floodtime[which] = 0; chan->floodwho[which][0] = 0; if (which == FLOOD_DEOP) chan->deopd[0] = 0; u = get_user_by_host(from); switch (which) { case FLOOD_PRIVMSG: case FLOOD_NOTICE: case FLOOD_CTCP: /* Flooding chan! either by public or notice */ if (!chan_sentkick(m) && me_op(chan)) { putlog(LOG_MODES, chan->dname, IRC_FLOODKICK, floodnick); dprintf(DP_MODE, "KICK %s %s :%s%s\n", chan->name, floodnick, kickprefix, kickreason(KICK_FLOOD)); m->flags |= SENTKICK; } return 1; case FLOOD_JOIN: case FLOOD_NICK: if (use_exempts && (u_match_mask(global_exempts, from) || u_match_mask(chan->exempts, from))) return 1; simple_sprintf(h, "*!*@%s", p); if (!isbanned(chan, h) && me_op(chan)) { check_exemptlist(chan, from); do_mask(chan, chan->channel.ban, h, 'b'); } if ((u_match_mask(global_bans, from)) || (u_match_mask(chan->bans, from))) return 1; /* Already banned */ if (which == FLOOD_JOIN) putlog(LOG_MISC | LOG_JOIN, chan->dname, IRC_FLOODIGNORE3, p); else putlog(LOG_MISC | LOG_JOIN, chan->dname, IRC_FLOODIGNORE4, p); strcpy(ftype + 4, " flood"); u_addmask('b', chan, h, conf.bot->nick, ftype, now + (60 * chan->ban_time), 0); if (!channel_enforcebans(chan) && me_op(chan)) { char s[UHOSTLEN]; for (m = chan->channel.member; m && m->nick[0]; m = m->next) { sprintf(s, "%s!%s", m->nick, m->userhost); if (wild_match(h, s) && (m->joined >= chan->floodtime[which]) && !chan_sentkick(m) && !match_my_nick(m->nick) && me_op(chan)) { m->flags |= SENTKICK; if (which == FLOOD_JOIN) dprintf(DP_SERVER, "KICK %s %s :%s%s\n", chan->name, m->nick, kickprefix, IRC_JOIN_FLOOD); else dprintf(DP_SERVER, "KICK %s %s :%s%s\n", chan->name, m->nick, kickprefix, kickreason(KICK_NICKFLOOD)); } } } return 1; case FLOOD_KICK: if (me_op(chan) && !chan_sentkick(m)) { putlog(LOG_MODES, chan->dname, "Kicking %s, for mass kick.", floodnick); dprintf(DP_MODE, "KICK %s %s :%s%s\n", chan->name, floodnick, kickprefix, kickreason(KICK_KICKFLOOD)); m->flags |= SENTKICK; } return 1; case FLOOD_DEOP: if (me_op(chan) && !chan_sentkick(m)) { putlog(LOG_MODES, chan->dname, CHAN_MASSDEOP, chan->dname, from); dprintf(DP_MODE, "KICK %s %s :%s%s\n", chan->name, floodnick, kickprefix, kickreason(KICK_MASSDEOP)); m->flags |= SENTKICK; } if (u) { char s[256] = ""; sprintf(s, "Mass deop on %s by %s", chan->dname, from); deflag_user(u, DEFLAG_MDOP, s, chan); } return 1; } } return 0; } /* Given a chan/m do all necesary exempt checks and ban. */ static void refresh_ban_kick(struct chanset_t *, char *, char *); static void doban(struct chanset_t *chan, memberlist *m) { char s[UHOSTLEN] = "", *s1 = NULL; if (!chan || !m) return; sprintf(s, "%s!%s", m->nick, m->userhost); if (!(use_exempts && (u_match_mask(global_exempts,s) || u_match_mask(chan->exempts, s)))) { if (u_match_mask(global_bans, s) || u_match_mask(chan->bans, s)) refresh_ban_kick(chan, s, m->nick); check_exemptlist(chan, s); s1 = quickban(chan, m->userhost); u_addmask('b', chan, s1, conf.bot->nick, "joined closed chan", now + (60 * chan->ban_time), 0); } return; } /* Given a [nick!]user@host, place a quick ban on them on a chan. */ static char *quickban(struct chanset_t *chan, char *uhost) { static char s1[512] = ""; maskhost(uhost, s1); if ((strlen(s1) != 1) && (strict_host == 0)) s1[2] = '*'; /* arthur2 */ do_mask(chan, chan->channel.ban, s1, 'b'); return s1; } /* Kick any user (except friends/masters) with certain mask from channel * with a specified comment. Ernst 18/3/1998 */ static void kick_all(struct chanset_t *chan, char *hostmask, char *comment, int bantype) { memberlist *m = NULL; char kicknick[512] = "", s[UHOSTLEN] = ""; struct flag_record fr = {FR_GLOBAL | FR_CHAN, 0, 0}; int k, l, flushed; if (!me_op(chan)) return; k = 0; flushed = 0; kicknick[0] = 0; for (m = chan->channel.member; m && m->nick[0]; m = m->next) { sprintf(s, "%s!%s", m->nick, m->userhost); get_user_flagrec(m->user ? m->user : get_user_by_host(s), &fr, chan->dname); if (me_op(chan) && wild_match(hostmask, s) && !chan_sentkick(m) && !match_my_nick(m->nick) && !chan_issplit(m) && !(use_exempts && ((bantype && (isexempted(chan, s) || (chan->ircnet_status & CHAN_ASKED_EXEMPTS))) || (u_match_mask(global_exempts, s) || u_match_mask(chan->exempts, s))))) { if (!flushed) { /* We need to kick someone, flush eventual bans first */ flush_mode(chan, QUICK); flushed += 1; } m->flags |= SENTKICK; /* Mark as pending kick */ if (kicknick[0]) strcat(kicknick, ","); strcat(kicknick, m->nick); k += 1; l = strlen(chan->name) + strlen(kicknick) + strlen(comment) + 5; if ((kick_method != 0 && k == kick_method) || (l > 480)) { dprintf(DP_MODE, "KICK %s %s :%s%s\n", chan->name, kicknick, kickprefix, comment); k = 0; kicknick[0] = 0; } } } if (k > 0) { dprintf(DP_MODE, "KICK %s %s :%s%s\n", chan->name, kicknick, kickprefix, comment); } } /* If any bans match this wildcard expression, refresh them on the channel. */ static void refresh_ban_kick(struct chanset_t *chan, char *user, char *nick) { register maskrec *b = NULL; memberlist *m = NULL; int cycle; m = ismember(chan, nick); if (!m || chan_sentkick(m)) return; /* Check global bans in first cycle and channel bans in second cycle. */ for (cycle = 0; cycle < 2; cycle++) { for (b = cycle ? chan->bans : global_bans; b; b = b->next) { if (wild_match(b->mask, user)) { struct flag_record fr = {FR_GLOBAL | FR_CHAN, 0, 0}; char c[512] = ""; /* The ban comment. */ char s[UHOSTLEN] = ""; sprintf(s, "%s!%s", m->nick, m->userhost); get_user_flagrec(m->user ? m->user : get_user_by_host(s), &fr, chan->dname); if (role == 1) add_mode(chan, '-', 'o', nick); /* Guess it can't hurt. */ check_exemptlist(chan, user); do_mask(chan, chan->channel.ban, b->mask, 'b'); b->lastactive = now; if (b->desc && b->desc[0] != '@') egg_snprintf(c, sizeof c, "%s %s", IRC_PREBANNED, b->desc); else c[0] = 0; if (role == 2) kick_all(chan, b->mask, c[0] ? c : IRC_YOUREBANNED, 0); return; /* Drop out on 1st ban. */ } } } } /* This is a bit cumbersome at the moment, but it works... Any improvements * then feel free to have a go.. Jason */ static void refresh_exempt(struct chanset_t *chan, char *user) { maskrec *e = NULL; masklist *b = NULL; int cycle; /* Check global exempts in first cycle and channel exempts in second cycle. */ for (cycle = 0; cycle < 2; cycle++) { for (e = cycle ? chan->exempts : global_exempts; e; e = e->next) { if (wild_match(user, e->mask) || wild_match(e->mask,user)) { for (b = chan->channel.ban; b && b->mask[0]; b = b->next) { if (wild_match(b->mask, user) || wild_match(user, b->mask)) { if (e->lastactive < now - 60 && !isexempted(chan, e->mask)) { do_mask(chan, chan->channel.exempt, e->mask, 'e'); e->lastactive = now; } } } } } } } static void refresh_invite(struct chanset_t *chan, char *user) { maskrec *i = NULL; int cycle; /* Check global invites in first cycle and channel invites in second cycle. */ for (cycle = 0; cycle < 2; cycle++) { for (i = cycle ? chan->invites : global_invites; i; i = i->next) { if (wild_match(i->mask, user) && ((i->flags & MASKREC_STICKY) || (chan->channel.mode & CHANINV))) { if (i->lastactive < now - 60 && !isinvited(chan, i->mask)) { do_mask(chan, chan->channel.invite, i->mask, 'I'); i->lastactive = now; return; } } } } } /* Enforce all channel bans in a given channel. Ernst 18/3/1998 */ static void enforce_bans(struct chanset_t *chan) { char me[UHOSTLEN] = ""; masklist *b = NULL; if (!me_op(chan)) return; /* Can't do it :( */ simple_sprintf(me, "%s!%s", botname, botuserhost); /* Go through all bans, kicking the users. */ for (b = chan->channel.ban; b && b->mask[0]; b = b->next) { if (!wild_match(b->mask, me)) if (!isexempted(chan, b->mask) && !(chan->ircnet_status & CHAN_ASKED_EXEMPTS)) kick_all(chan, b->mask, IRC_YOUREBANNED, 1); } } /* Make sure that all who are 'banned' on the userlist are actually in fact * banned on the channel. * * Note: Since i was getting a ban list, i assume i'm chop. */ static void recheck_bans(struct chanset_t *chan) { maskrec *u = NULL; int cycle; /* Check global bans in first cycle and channel bans in second cycle. */ for (cycle = 0; cycle < 2; cycle++) { for (u = cycle ? chan->bans : global_bans; u; u = u->next) if (!isbanned(chan, u->mask) && (!channel_dynamicbans(chan) || (u->flags & MASKREC_STICKY))) add_mode(chan, '+', 'b', u->mask); } } /* Make sure that all who are exempted on the userlist are actually in fact * exempted on the channel. * * Note: Since i was getting an excempt list, i assume i'm chop. */ static void recheck_exempts(struct chanset_t *chan) { maskrec *e = NULL; masklist *b = NULL; int cycle; /* Check global exempts in first cycle and channel exempts in second cycle. */ for (cycle = 0; cycle < 2; cycle++) { for (e = cycle ? chan->exempts : global_exempts; e; e = e->next) { if (!isexempted(chan, e->mask) && (!channel_dynamicexempts(chan) || (e->flags & MASKREC_STICKY))) add_mode(chan, '+', 'e', e->mask); for (b = chan->channel.ban; b && b->mask[0]; b = b->next) { if ((wild_match(b->mask, e->mask) || wild_match(e->mask, b->mask)) && !isexempted(chan, e->mask)) add_mode(chan,'+','e',e->mask); /* do_mask(chan, chan->channel.exempt, e->mask, 'e');*/ } } } } /* Make sure that all who are invited on the userlist are actually in fact * invited on the channel. * * Note: Since i was getting an invite list, i assume i'm chop. */ static void recheck_invites(struct chanset_t *chan) { maskrec *ir = NULL; int cycle; /* Check global invites in first cycle and channel invites in second cycle. */ for (cycle = 0; cycle < 2; cycle++) { for (ir = cycle ? chan->invites : global_invites; ir; ir = ir->next) { /* If invite isn't set and (channel is not dynamic invites and not invite * only) or invite is sticky. */ if (!isinvited(chan, ir->mask) && ((!channel_dynamicinvites(chan) && !(chan->channel.mode & CHANINV)) || ir->flags & MASKREC_STICKY)) add_mode(chan, '+', 'I', ir->mask); /* do_mask(chan, chan->channel.invite, ir->mask, 'I');*/ } } } /* Resets the masks on the channel. */ static void resetmasks(struct chanset_t *chan, masklist *m, maskrec *mrec, maskrec *global_masks, char mode) { if (!me_op(chan)) return; /* Can't do it */ /* Remove masks we didn't put there */ for (; m && m->mask[0]; m = m->next) { if (!u_equals_mask(global_masks, m->mask) && !u_equals_mask(mrec, m->mask)) add_mode(chan, '-', mode, m->mask); } /* Make sure the intended masks are still there */ switch (mode) { case 'b': recheck_bans(chan); break; case 'e': recheck_exempts(chan); break; case 'I': recheck_invites(chan); break; default: putlog(LOG_MISC, "*", "(!) Invalid mode '%c' in resetmasks()", mode); break; } } void check_this_ban(struct chanset_t *chan, char *banmask, int sticky) { memberlist *m = NULL; char user[UHOSTLEN] = ""; if (!me_op(chan)) return; for (m = chan->channel.member; m && m->nick[0]; m = m->next) { sprintf(user, "%s!%s", m->nick, m->userhost); if (wild_match(banmask, user) && !(use_exempts && (u_match_mask(global_exempts, user) || u_match_mask(chan->exempts, user)))) refresh_ban_kick(chan, user, m->nick); } if (!isbanned(chan, banmask) && (!channel_dynamicbans(chan) || sticky)) add_mode(chan, '+', 'b', banmask); } void recheck_channel_modes(struct chanset_t *chan) { int cur = chan->channel.mode, mns = chan->mode_mns_prot, pls = chan->mode_pls_prot; if (channel_closed(chan)) { pls |= CHANINV; mns &= ~CHANINV; } if (!(chan->status & CHAN_ASKEDMODES)) { if (pls & CHANINV && !(cur & CHANINV)) add_mode(chan, '+', 'i', ""); else if (mns & CHANINV && cur & CHANINV) add_mode(chan, '-', 'i', ""); if (pls & CHANPRIV && !(cur & CHANPRIV)) add_mode(chan, '+', 'p', ""); else if (mns & CHANPRIV && cur & CHANPRIV) add_mode(chan, '-', 'p', ""); if (pls & CHANSEC && !(cur & CHANSEC)) add_mode(chan, '+', 's', ""); else if (mns & CHANSEC && cur & CHANSEC) add_mode(chan, '-', 's', ""); if (pls & CHANMODER && !(cur & CHANMODER)) add_mode(chan, '+', 'm', ""); else if (mns & CHANMODER && cur & CHANMODER) add_mode(chan, '-', 'm', ""); if (pls & CHANNOCLR && !(cur & CHANNOCLR)) add_mode(chan, '+', 'c', ""); else if (mns & CHANNOCLR && cur & CHANNOCLR) add_mode(chan, '-', 'c', ""); if (pls & CHANNOCTCP && !(cur & CHANNOCTCP)) add_mode(chan, '+', 'C', ""); else if (mns & CHANNOCTCP && cur & CHANNOCTCP) add_mode(chan, '-', 'C', ""); if (pls & CHANREGON && !(cur & CHANREGON)) add_mode(chan, '+', 'R', ""); else if (mns & CHANREGON && cur & CHANREGON) add_mode(chan, '-', 'R', ""); if (pls & CHANMODR && !(cur & CHANMODR)) add_mode(chan, '+', 'M', ""); else if (mns & CHANMODR && cur & CHANMODR) add_mode(chan, '-', 'M', ""); if (pls & CHANLONLY && !(cur & CHANLONLY)) add_mode(chan, '+', 'r', ""); else if (mns & CHANLONLY && cur & CHANLONLY) add_mode(chan, '-', 'r', ""); if (pls & CHANTOPIC && !(cur & CHANTOPIC)) add_mode(chan, '+', 't', ""); else if (mns & CHANTOPIC && cur & CHANTOPIC) add_mode(chan, '-', 't', ""); if (pls & CHANNOMSG && !(cur & CHANNOMSG)) add_mode(chan, '+', 'n', ""); else if ((mns & CHANNOMSG) && (cur & CHANNOMSG)) add_mode(chan, '-', 'n', ""); if ((pls & CHANANON) && !(cur & CHANANON)) add_mode(chan, '+', 'a', ""); else if ((mns & CHANANON) && (cur & CHANANON)) add_mode(chan, '-', 'a', ""); if ((pls & CHANQUIET) && !(cur & CHANQUIET)) add_mode(chan, '+', 'q', ""); else if ((mns & CHANQUIET) && (cur & CHANQUIET)) add_mode(chan, '-', 'q', ""); if ((chan->limit_prot != 0) && (chan->channel.maxmembers == 0)) { char s[50] = ""; sprintf(s, "%d", chan->limit_prot); add_mode(chan, '+', 'l', s); } else if ((mns & CHANLIMIT) && (chan->channel.maxmembers != 0)) add_mode(chan, '-', 'l', ""); if (chan->key_prot[0]) { if (rfc_casecmp(chan->channel.key, chan->key_prot) != 0) { if (chan->channel.key[0]) add_mode(chan, '-', 'k', chan->channel.key); add_mode(chan, '+', 'k', chan->key_prot); } } else if ((mns & CHANKEY) && (chan->channel.key[0])) add_mode(chan, '-', 'k', chan->channel.key); } } static void check_this_member(struct chanset_t *chan, char *nick, struct flag_record *fr) { memberlist *m = NULL; char s[UHOSTLEN] = "", *p = NULL; m = ismember(chan, nick); if (!m || match_my_nick(nick) || !me_op(chan)) return; if (me_op(chan)) { /* +d or bitch and not an op * we dont check private because +private does not imply bitch. */ if (chan_hasop(m) && (chk_deop(*fr, chan) || (!loading && userlist && channel_bitch(chan) && !chk_op(*fr, chan)) ) ) { /* if (target_priority(chan, m, 1)) */ add_mode(chan, '-', 'o', m->nick); } else if (!chan_hasop(m) && chk_autoop(*fr, chan)) { do_op(m->nick, chan, 1, 0); } if (dovoice(chan)) { if (chan_hasvoice(m) && !chan_hasop(m)) { /* devoice +q users .. */ if (chk_devoice(*fr, chan)) add_mode(chan, '-', 'v', m->nick); } else if (!chan_hasvoice(m) && !chan_hasop(m)) { /* voice +v users */ if (chk_voice(*fr, chan)) add_mode(chan, '+', 'v', m->nick); } } } sprintf(s, "%s!%s", m->nick, m->userhost); /* check vs invites */ if (use_invites && (u_match_mask(global_invites,s) || u_match_mask(chan->invites, s))) refresh_invite(chan, s); /* don't kickban if permanent exempted */ if (!(use_exempts && (u_match_mask(global_exempts,s) || u_match_mask(chan->exempts, s)))) { if (u_match_mask(global_bans, s) || u_match_mask(chan->bans, s)) refresh_ban_kick(chan, s, m->nick); /* are they +k ? */ if (!chan_sentkick(m) && (chan_kick(*fr) || glob_kick(*fr)) && me_op(chan)) { check_exemptlist(chan, s); quickban(chan, m->userhost); p = get_user(&USERENTRY_COMMENT, m->user); dprintf(DP_SERVER, "KICK %s %s :%s%s\n", chan->name, m->nick, bankickprefix, p ? p : kickreason(KICK_KUSER)); m->flags |= SENTKICK; } } } void check_this_user(char *hand, int delete, char *host) { char s[UHOSTLEN] = ""; memberlist *m = NULL; struct userrec *u = NULL; struct chanset_t *chan = NULL; struct flag_record fr = {FR_GLOBAL | FR_CHAN, 0, 0}; for (chan = chanset; chan; chan = chan->next) for (m = chan->channel.member; m && m->nick[0]; m = m->next) { sprintf(s, "%s!%s", m->nick, m->userhost); u = m->user ? m->user : get_user_by_host(s); if ((u && !egg_strcasecmp(u->handle, hand) && delete < 2) || (!u && delete == 2 && wild_match(host, fixfrom(s)))) { u = delete ? NULL : u; get_user_flagrec(u, &fr, chan->dname); check_this_member(chan, m->nick, &fr); } } } static void enforce_bitch(struct chanset_t *chan) { if (!chan || !me_op(chan)) return; priority_do(chan, 1, PRIO_DEOP); } void enforce_closed(struct chanset_t *chan) { char buf[1024] = ""; if (!chan || !me_op(chan)) return; if (!(chan->channel.mode & CHANINV)) strcat(buf, "i"); if (chan->closed_private && !(chan->channel.mode & CHANPRIV)) strcat(buf, "p"); if (buf && buf[0]) dprintf(DP_MODE, "MODE %s +%s\n", chan->name, buf); priority_do(chan, 0, PRIO_KICK); } static char * take_makeline(char *op, char *deops, int deopn) { int pos = 0, i = 0, n = 0, opn = op ? 1 : 0; char *ret = NULL; n = opn + deopn; /* op + deops */ ret = calloc(1, 101); pos = randint(deopn); for (i = 0; i < n; i++) { if (opn && i == pos) strcat(ret, "+o"); else if (deopn) strcat(ret, "-o"); } strcat(ret, " "); for (i = 0; i < n; i++) { if (opn && i == pos) strcat(ret, op); else if (deopn) strcat(ret, newsplit(&deops)); strcat(ret, " "); } /* putlog(LOG_MISC, "*", "modeline: %s", ret); */ return ret; } static void do_take(struct chanset_t *chan) { memberlist *m = NULL; char work[512] = "", *to_op = NULL, *to_deop = NULL, *to_op_ptr = NULL, *to_deop_ptr = NULL; int lines = 0; to_op = to_op_ptr = calloc(1, 2048); to_deop = to_deop_ptr = calloc(1, 2048); for (m = chan->channel.member; m && m->nick[0]; m = m->next) { int hasop = (m->flags & CHANOP); if (m && rfc_casecmp(m->nick, botname)) { if (m->user && (m->user->flags & USER_BOT) && !hasop) { strcat(to_op, m->nick); strcat(to_op, " "); /* } else if (hasop && !(m->user && m->user->flags & USER_OP)) { */ } else if (hasop && !(m->user && (m->user->flags & USER_BOT))) { strcat(to_deop, m->nick); strcat(to_deop, " "); } } } shuffle(to_op, " "); shuffle(to_deop, " "); /* putlog(LOG_MISC, "*", "op: %s", to_op); putlog(LOG_MISC, "*", "deop: %s", to_deop); */ while (to_op[0] || to_deop[0]) { int deopn = 0, i = 0; char *op = NULL, *deopline = NULL, deops[201] = ""; if (to_op[0]) op = newsplit(&to_op); for (i = 0; i < 4; i ++) { if (to_deop[0] && ((i < 3) || (!op))) { deopn++; strcat(deops, newsplit(&to_deop)); strcat(deops, " "); } } strcat(work, "MODE "); strcat(work, chan->name); strcat(work, " "); deopline = take_makeline(op, deops, deopn); strcat(work, deopline); strcat(work, "\n"); lines++; free(deopline); /* just dump when we have 5 lines because the server is going to throttle after that anyway */ if (lines == 5) { tputs(serv, work, strlen(work)); work[0] = 0; lines = 0; } } if (work[0]) tputs(serv, work, strlen(work)); free(to_op_ptr); free(to_deop_ptr); if (channel_closed(chan)) enforce_closed(chan); enforce_bitch(chan); /* hell why not! */ return; } time_t last_eI; /* this will stop +e and +I from being checked over and over if the bot is stuck in a * -o+o loop for some reason, hence possibly causing a SENDQ kill */ /* Things to do when i just became a chanop: */ void recheck_channel(struct chanset_t *chan, int dobans) { memberlist *m = NULL; char s[UHOSTLEN] = ""; struct flag_record fr = {FR_GLOBAL | FR_CHAN, 0, 0}; static int stacking = 0; int stop_reset = 0, botops = 0, nonbotops = 0, botnonops = 0; if (stacking) return; /* wewps */ if (!userlist || loading) /* Bot doesnt know anybody */ return; /* ... it's better not to deop everybody */ stacking++; putlog(LOG_DEBUG, "*", "recheck_channel %s", chan->dname); for (m = chan->channel.member; m && m->nick[0]; m = m->next) { int hasop = chan_hasop(m); if (m) { if (m->user && m->user->flags & (USER_BOT | USER_OP)) { if (hasop) botops++; else botnonops++; } else if (hasop) nonbotops++; } } /* don't do much if i'm lonely bot. Maybe they won't notice me? :P */ if (botops == 1 && !botnonops) { if (channel_bitch(chan) || channel_closed(chan)) putlog(LOG_MISC, "*", "Opped in %s, not checking +closed/+bitch until more bots arrive.", chan->dname); } else { /* if the chan is +closed, mass deop first, safer that way. */ if (channel_bitch(chan) || channel_closed(chan)) enforce_bitch(chan); if (channel_closed(chan)) enforce_closed(chan); } /* this can all die, we want to enforce +bitch/+take first :) */ /* This is a bad hack for +e/+I */ if (!channel_take(chan) && me_op(chan) && ((now - last_eI) > 30)) { last_eI = now; if (!(chan->ircnet_status & CHAN_ASKED_EXEMPTS) && use_exempts == 1) { chan->ircnet_status |= CHAN_ASKED_EXEMPTS; dprintf(DP_MODE, "MODE %s +e\n", chan->name); } if (!(chan->ircnet_status & CHAN_ASKED_INVITED) && use_invites == 1) { chan->ircnet_status |= CHAN_ASKED_INVITED; dprintf(DP_MODE, "MODE %s +I\n", chan->name); } } for (m = chan->channel.member; m && m->nick[0]; m = m->next) { sprintf(s, "%s!%s", m->nick, m->userhost); if (!m->user && !m->tried_getuser) { m->tried_getuser = 1; m->user = get_user_by_host(s); } get_user_flagrec(m->user, &fr, chan->dname); if (glob_bot(fr) && chan_hasop(m) && !match_my_nick(m->nick)) stop_reset = 1; check_this_member(chan, m->nick, &fr); } if (dobans) { if (channel_nouserbans(chan) && !stop_reset) resetbans(chan); else recheck_bans(chan); if (use_invites) { if (channel_nouserinvites(chan) && !stop_reset) resetinvites(chan); else recheck_invites(chan); } if (use_exempts) { if (channel_nouserexempts(chan) && !stop_reset) resetexempts(chan); else recheck_exempts(chan); } else { if (channel_enforcebans(chan)) enforce_bans(chan); } flush_mode(chan, QUICK); if ((chan->status & CHAN_ASKEDMODES) && !channel_inactive(chan)) dprintf(DP_MODE, "MODE %s\n", chan->name); recheck_channel_modes(chan); } stacking--; } /* got 324: mode status * 324 */ static int got324(char *from, char *msg) { int i = 1, ok =0; char *p = NULL, *q = NULL, *chname = NULL; struct chanset_t *chan = NULL; newsplit(&msg); chname = newsplit(&msg); if (match_my_nick(chname)) return 0; chan = findchan(chname); if (!chan) { putlog(LOG_MISC, "*", "%s: %s", IRC_UNEXPECTEDMODE, chname); dprintf(DP_SERVER, "PART %s\n", chname); return 0; } if (chan->status & CHAN_ASKEDMODES) ok = 1; chan->status &= ~CHAN_ASKEDMODES; chan->channel.mode = 0; while (msg[i] != 0) { if (msg[i] == 'i') chan->channel.mode |= CHANINV; if (msg[i] == 'p') chan->channel.mode |= CHANPRIV; if (msg[i] == 's') chan->channel.mode |= CHANSEC; if (msg[i] == 'm') chan->channel.mode |= CHANMODER; if (msg[i] == 'c') chan->channel.mode |= CHANNOCLR; if (msg[i] == 'C') chan->channel.mode |= CHANNOCTCP; if (msg[i] == 'R') chan->channel.mode |= CHANREGON; if (msg[i] == 'M') chan->channel.mode |= CHANMODR; if (msg[i] == 'r') chan->channel.mode |= CHANLONLY; if (msg[i] == 't') chan->channel.mode |= CHANTOPIC; if (msg[i] == 'n') chan->channel.mode |= CHANNOMSG; if (msg[i] == 'a') chan->channel.mode |= CHANANON; if (msg[i] == 'q') chan->channel.mode |= CHANQUIET; if (msg[i] == 'k') { chan->channel.mode |= CHANKEY; p = strchr(msg, ' '); if (p != NULL) { /* Test for null key assignment */ p++; q = strchr(p, ' '); if (q != NULL) { *q = 0; my_setkey(chan, p); strcpy(p, q + 1); } else { my_setkey(chan, p); *p = 0; } } if ((chan->channel.mode & CHANKEY) && (!chan->channel.key[0] || !strcmp("*", chan->channel.key))) /* Undernet use to show a blank channel key if one was set when * you first joined a channel; however, this has been replaced by * an asterisk and this has been agreed upon by other major IRC * networks so we'll check for an asterisk here as well * (guppy 22Dec2001) */ chan->status |= CHAN_ASKEDMODES; } if (msg[i] == 'l') { p = strchr(msg, ' '); if (p != NULL) { /* test for null limit assignment */ p++; q = strchr(p, ' '); if (q != NULL) { *q = 0; chan->channel.maxmembers = atoi(p); /* strcpy(p, q + 1); */ sprintf(p, "%s", q + 1); } else { chan->channel.maxmembers = atoi(p); *p = 0; } } } i++; } if (ok) recheck_channel_modes(chan); return 0; } static void memberlist_reposition(struct chanset_t * chan, memberlist * target) { /* Move target from it's current position to it's correct sorted position */ memberlist *old = NULL, *m = NULL; if (chan->channel.member == target) { chan->channel.member = target->next; } else { for (m = chan->channel.member; m && m->nick[0]; m = m->next) { if (m->next == target) { m->next = target->next; break; } } } target->next = NULL; for (m = chan->channel.member; m && m->nick[0]; m = m->next) { if (rfc_casecmp(m->nick, target->nick)>0) { if (old) { target->next = m; old->next = target; } else { target->next = chan->channel.member; chan->channel.member = target; } return; } old = m; } if (old) { target->next = old->next; old->next = target; } else { target->next = NULL; chan->channel.member = target; } } static int got352or4(struct chanset_t *chan, char *user, char *host, char *serv, char *nick, char *flags, int hops) { struct flag_record fr = { FR_GLOBAL | FR_CHAN, 0, 0}; char userhost[UHOSTLEN] = ""; memberlist *m = NULL; int waschanop; m = ismember(chan, nick); /* In my channel list copy? */ if (!m) { /* Nope, so update */ m = newmember(chan, nick); /* Get a new channel entry */ m->joined = m->split = m->delay = 0L; /* Don't know when he joined */ m->flags = 0; /* No flags for now */ m->last = now; /* Last time I saw him */ } strcpy(m->nick, nick); /* Store the nick in list */ if (serv) { struct chanset_t *ch = NULL; memberlist *ml = NULL; strncpyz(m->server, serv, SERVLEN); /* Propagate server to other channel memlists... might save us a WHO #chan */ for (ch = chanset; ch; ch = ch->next) { if (ch != chan) { for (ml = ch->channel.member; ml && ml->nick[0]; ml = ml->next) { if (!strcmp(ml->nick, m->nick)) { strcpy(ml->server, m->server); break; } } } } } else m->server[0] = 0; { struct chanset_t *ch = NULL; memberlist *ml = NULL; m->hops = hops; /* Propagate hops to other channel memlists... might save us a WHO #chan */ for (ch = chanset; ch; ch = ch->next) { if (ch != chan) { for (ml = ch->channel.member; ml && ml->nick[0]; ml = ml->next) { if (!strcmp(ml->nick, m->nick)) { ml->hops = m->hops; break; } } } } } /* Store the userhost */ simple_sprintf(m->userhost, "%s@%s", user, host); simple_sprintf(userhost, "%s!%s", nick, m->userhost); /* Combine n!u@h */ m->user = NULL; /* No handle match (yet) */ m->tried_getuser = 0; if (match_my_nick(nick)) { /* Is it me? */ strcpy(botuserhost, m->userhost); /* Yes, save my own userhost */ m->joined = now; /* set this to keep the whining masses happy */ } waschanop = me_op(chan); /* Am I opped here? */ if (strchr(flags, '@') != NULL) /* Flags say he's opped? */ m->flags |= (CHANOP | WASOP); /* Yes, so flag in my table */ else m->flags &= ~(CHANOP | WASOP); if (strchr(flags, '*')) m->flags |= OPER; else m->flags &= ~OPER; if (strchr(flags, '+') != NULL) /* Flags say he's voiced? */ m->flags |= CHANVOICE; /* Yes */ else m->flags &= ~CHANVOICE; if (!(m->flags & (CHANVOICE | CHANOP))) m->flags |= STOPWHO; if (match_my_nick(nick) && !waschanop && me_op(chan)) recheck_channel(chan, 1); if (match_my_nick(nick) && any_ops(chan) && !me_op(chan)) chan->channel.do_opreq = 1; m->user = get_user_by_host(userhost); m->tried_getuser = 1; get_user_flagrec(m->user, &fr, chan->dname); /* are they a chanop, and me too */ /* are they a channel or global de-op */ if (chan_hasop(m) && me_op(chan) && chk_deop(fr, chan) && !match_my_nick(nick)) /* && target_priority(chan, m, 1) */ add_mode(chan, '-', 'o', nick); /* if channel is enforce bans */ if (channel_enforcebans(chan) && /* and user matches a ban */ (u_match_mask(global_bans, userhost) || u_match_mask(chan->bans, userhost)) && /* and it's not me, and i'm an op */ !match_my_nick(nick) && me_op(chan)) { /* && target_priority(chan, m, 0) */ dprintf(DP_SERVER, "KICK %s %s :%s%s\n", chan->name, nick, bankickprefix, kickreason(KICK_BANNED)); m->flags |= SENTKICK; } /* if the user is a +k */ else if ((chan_kick(fr) || glob_kick(fr)) && /* and it's not me :) who'd set me +k anyway, a sicko? */ /* and if im an op */ !match_my_nick(nick) && me_op(chan)) { /* && target_priority(chan, m, 0) */ /* cya later! */ quickban(chan, userhost); dprintf(DP_SERVER, "KICK %s %s :%s%s\n", chan->name, nick, bankickprefix, kickreason(KICK_KUSER)); m->flags |= SENTKICK; } return 0; } /* got a 352: who info! */ static int got352(char *from, char *msg) { char *nick = NULL, *user = NULL, *host = NULL, *chname = NULL, *flags = NULL, *serv = NULL, *hops = NULL; struct chanset_t *chan = NULL; newsplit(&msg); /* Skip my nick - effeciently */ chname = newsplit(&msg); /* Grab the channel */ chan = findchan(chname); /* See if I'm on channel */ if (chan) { /* Am I? */ user = newsplit(&msg); /* Grab the user */ host = newsplit(&msg); /* Grab the host */ serv = newsplit(&msg); /* And the server */ nick = newsplit(&msg); /* Grab the nick */ flags = newsplit(&msg); /* Grab the flags */ hops = newsplit(&msg); /* grab server hops */ hops++; got352or4(chan, user, host, serv, nick, flags, atoi(hops)); } return 0; } /* got a 354: who info! - iru style */ static int got354(char *from, char *msg) { char *nick = NULL, *user = NULL, *host = NULL, *chname = NULL, *flags = NULL, *hops = NULL; struct chanset_t *chan = NULL; if (use_354) { newsplit(&msg); /* Skip my nick - effeciently */ if (msg[0] && (strchr(CHANMETA, msg[0]) != NULL)) { chname = newsplit(&msg); /* Grab the channel */ chan = findchan(chname); /* See if I'm on channel */ if (chan) { /* Am I? */ user = newsplit(&msg); /* Grab the user */ host = newsplit(&msg); /* Grab the host */ nick = newsplit(&msg); /* Grab the nick */ flags = newsplit(&msg); /* Grab the flags */ hops = newsplit(&msg); /* yay for hops, does iru even have hops?? */ hops++; got352or4(chan, user, host, NULL, nick, flags, atoi(hops)); } } } return 0; } /* got 315: end of who * 315 :End of /who */ static int got315(char *from, char *msg) { char *chname = NULL; struct chanset_t *chan = NULL; newsplit(&msg); chname = newsplit(&msg); chan = findchan(chname); /* May have left the channel before the who info came in */ if (!chan || !channel_pending(chan)) return 0; /* Finished getting who list, can now be considered officially ON CHANNEL */ chan->status |= CHAN_ACTIVE; chan->status &= ~CHAN_PEND; /* Am *I* on the channel now? if not, well d0h. */ if (!ismember(chan, botname)) { putlog(LOG_MISC | LOG_JOIN, chan->dname, "Oops, I'm not really on %s.", chan->dname); clear_channel(chan, 1); chan->status &= ~CHAN_ACTIVE; dprintf(DP_MODE, "JOIN %s %s\n", (chan->name[0]) ? chan->name : chan->dname, chan->channel.key[0] ? chan->channel.key : chan->key_prot); } else { if (me_op(chan)) recheck_channel(chan, 1); else if (chan->channel.members == 1) chan->status |= CHAN_STOP_CYCLE; else request_op(chan); } /* do not check for i-lines here. */ return 0; } /* got 367: ban info * 367 [placed-by] [timestamp] */ static int got367(char *from, char *origmsg) { char *ban = NULL, *who = NULL, *chname = NULL, buf[511] = "", *msg = NULL; struct chanset_t *chan = NULL; strncpy(buf, origmsg, 510); buf[510] = 0; msg = buf; newsplit(&msg); chname = newsplit(&msg); chan = findchan(chname); if (!chan || !(channel_pending(chan) || channel_active(chan))) return 0; ban = newsplit(&msg); who = newsplit(&msg); /* Extended timestamp format? */ if (who[0]) newban(chan, ban, who); else newban(chan, ban, "existent"); return 0; } /* got 368: end of ban list * 368 :etc */ static int got368(char *from, char *msg) { struct chanset_t *chan = NULL; char *chname = NULL; /* Okay, now add bans that i want, which aren't set yet */ newsplit(&msg); chname = newsplit(&msg); chan = findchan(chname); if (chan) chan->status &= ~CHAN_ASKEDBANS; /* If i sent a mode -b on myself (deban) in got367, either * resetbans() or recheck_bans() will flush that. */ return 0; } /* got 348: ban exemption info * 348 */ static int got348(char *from, char *origmsg) { char *exempt = NULL, *who = NULL, *chname = NULL, buf[511] = "", *msg = NULL; struct chanset_t *chan = NULL; if (use_exempts == 0) return 0; strncpy(buf, origmsg, 510); buf[510] = 0; msg = buf; newsplit(&msg); chname = newsplit(&msg); chan = findchan(chname); if (!chan || !(channel_pending(chan) || channel_active(chan))) return 0; exempt = newsplit(&msg); who = newsplit(&msg); /* Extended timestamp format? */ if (who[0]) newexempt(chan, exempt, who); else newexempt(chan, exempt, "existent"); return 0; } /* got 349: end of ban exemption list * 349 :etc */ static int got349(char *from, char *msg) { struct chanset_t *chan = NULL; char *chname = NULL; if (use_exempts == 1) { newsplit(&msg); chname = newsplit(&msg); chan = findchan(chname); if (chan) { putlog(LOG_DEBUG, "*", "END +e %s", chan->dname); chan->ircnet_status &= ~CHAN_ASKED_EXEMPTS; if (channel_enforcebans(chan)) enforce_bans(chan); } } return 0; } /* got 346: invite exemption info * 346 */ static int got346(char *from, char *origmsg) { char *invite = NULL, *who = NULL, *chname = NULL, buf[511] = "", *msg = NULL; struct chanset_t *chan = NULL; strncpy(buf, origmsg, 510); buf[510] = 0; msg = buf; if (use_invites == 0) return 0; newsplit(&msg); chname = newsplit(&msg); chan = findchan(chname); if (!chan || !(channel_pending(chan) || channel_active(chan))) return 0; invite = newsplit(&msg); who = newsplit(&msg); /* Extended timestamp format? */ if (who[0]) newinvite(chan, invite, who); else newinvite(chan, invite, "existent"); return 0; } /* got 347: end of invite exemption list * 347 :etc */ static int got347(char *from, char *msg) { struct chanset_t *chan = NULL; char *chname = NULL; if (use_invites == 1) { newsplit(&msg); chname = newsplit(&msg); chan = findchan(chname); if (chan) chan->ircnet_status &= ~CHAN_ASKED_INVITED; } return 0; } /* Too many channels. */ static int got405(char *from, char *msg) { char *chname = NULL; newsplit(&msg); chname = newsplit(&msg); putlog(LOG_MISC, "*", IRC_TOOMANYCHANS, chname); return 0; } /* This is only of use to us with !channels. We get this message when * attempting to join a non-existant !channel... The channel must be * created by sending 'JOIN !!'. * * 403 - ERR_NOSUCHCHANNEL */ static int got403(char *from, char *msg) { char *chname = NULL; struct chanset_t *chan = NULL; newsplit(&msg); chname = newsplit(&msg); if (chname && chname[0]=='!') { chan = findchan_by_dname(chname); if (!chan) { chan = findchan(chname); if (!chan) return 0; /* Ignore it */ /* We have the channel unique name, so we have attempted to join * a specific !channel that doesnt exist. Now attempt to join the * channel using it's short name. */ putlog(LOG_MISC, "*", "Unique channel %s does not exist... Attempting to join with " "short name.", chname); dprintf(DP_SERVER, "JOIN %s\n", chan->dname); } else { /* We have found the channel, so the server has given us the short * name. Prefix another '!' to it, and attempt the join again... */ putlog(LOG_MISC, "*", "Channel %s does not exist... Attempting to create it.", chname); dprintf(DP_SERVER, "JOIN !%s\n", chan->dname); } } return 0; } /* got 471: can't join channel, full */ static int got471(char *from, char *msg) { char *chname = NULL; struct chanset_t *chan = NULL; newsplit(&msg); chname = newsplit(&msg); /* !channel short names (also referred to as 'description names' * can be received by skipping over the unique ID. */ if ((chname[0] == '!') && (strlen(chname) > CHANNEL_ID_LEN)) { chname += CHANNEL_ID_LEN; chname[0] = '!'; } /* We use dname because name is first set on JOIN and we might not * have joined the channel yet. */ chan = findchan_by_dname(chname); if (chan) { putlog(LOG_JOIN, chan->dname, IRC_CHANFULL, chan->dname); request_in(chan); /* need: limit */ chan = findchan_by_dname(chname); if (!chan) return 0; } else putlog(LOG_JOIN, chname, IRC_CHANFULL, chname); return 0; } /* got 473: can't join channel, invite only */ static int got473(char *from, char *msg) { char *chname = NULL; struct chanset_t *chan = NULL; newsplit(&msg); chname = newsplit(&msg); /* !channel short names (also referred to as 'description names' * can be received by skipping over the unique ID. */ if ((chname[0] == '!') && (strlen(chname) > CHANNEL_ID_LEN)) { chname += CHANNEL_ID_LEN; chname[0] = '!'; } /* We use dname because name is first set on JOIN and we might not * have joined the channel yet. */ chan = findchan_by_dname(chname); if (chan) { putlog(LOG_JOIN, chan->dname, IRC_CHANINVITEONLY, chan->dname); request_in(chan); /* need: invite */ chan = findchan_by_dname(chname); if (!chan) return 0; } else putlog(LOG_JOIN, chname, IRC_CHANINVITEONLY, chname); return 0; } /* got 474: can't join channel, banned */ static int got474(char *from, char *msg) { char *chname = NULL; struct chanset_t *chan = NULL; newsplit(&msg); chname = newsplit(&msg); /* !channel short names (also referred to as 'description names' * can be received by skipping over the unique ID. */ if ((chname[0] == '!') && (strlen(chname) > CHANNEL_ID_LEN)) { chname += CHANNEL_ID_LEN; chname[0] = '!'; } /* We use dname because name is first set on JOIN and we might not * have joined the channel yet. */ chan = findchan_by_dname(chname); if (chan) { putlog(LOG_JOIN, chan->dname, IRC_BANNEDFROMCHAN, chan->dname); request_in(chan); /* need: unban */ chan = findchan_by_dname(chname); if (!chan) return 0; } else putlog(LOG_JOIN, chname, IRC_BANNEDFROMCHAN, chname); return 0; } /* got 475: can't goin channel, bad key */ static int got475(char *from, char *msg) { char *chname = NULL; struct chanset_t *chan = NULL; newsplit(&msg); chname = newsplit(&msg); /* !channel short names (also referred to as 'description names' * can be received by skipping over the unique ID. */ if ((chname[0] == '!') && (strlen(chname) > CHANNEL_ID_LEN)) { chname += CHANNEL_ID_LEN; chname[0] = '!'; } /* We use dname because name is first set on JOIN and we might not * have joined the channel yet. */ chan = findchan_by_dname(chname); if (chan) { putlog(LOG_JOIN, chan->dname, IRC_BADCHANKEY, chan->dname); if (chan->channel.key[0]) { free(chan->channel.key); chan->channel.key = (char *) calloc(1, 1); dprintf(DP_MODE, "JOIN %s %s\n", chan->dname, chan->key_prot); } else { request_in(chan); /* need: key */ chan = findchan_by_dname(chname); if (!chan) return 0; } } else putlog(LOG_JOIN, chname, IRC_BADCHANKEY, chname); return 0; } /* got invitation */ static int gotinvite(char *from, char *msg) { char *nick = NULL; struct chanset_t *chan = NULL; newsplit(&msg); fixcolon(msg); nick = splitnick(&from); if (!rfc_casecmp(last_invchan, msg)) if (now - last_invtime < 30) return 0; /* Two invites to the same channel in 30 seconds? */ putlog(LOG_MISC, "*", "%s!%s invited me to %s", nick, from, msg); strncpy(last_invchan, msg, 299); last_invchan[299] = 0; last_invtime = now; chan = findchan(msg); if (!chan) /* Might be a short-name */ chan = findchan_by_dname(msg); if (chan && (channel_pending(chan) || channel_active(chan))) dprintf(DP_HELP, "NOTICE %s :I'm already here.\n", nick); else if (chan && shouldjoin(chan)) dprintf(DP_MODE, "JOIN %s %s\n", (chan->name[0]) ? chan->name : chan->dname, chan->channel.key[0] ? chan->channel.key : chan->key_prot); return 0; } /* Set the topic. */ static void set_topic(struct chanset_t *chan, char *k) { if (chan->channel.topic) free(chan->channel.topic); if (k && k[0]) { chan->channel.topic = (char *) calloc(1, strlen(k) + 1); strcpy(chan->channel.topic, k); } else chan->channel.topic = NULL; } /* Topic change. */ static int gottopic(char *from, char *msg) { char *nick = NULL, *chname = NULL; memberlist *m = NULL; struct chanset_t *chan = NULL; struct userrec *u = NULL; chname = newsplit(&msg); fixcolon(msg); u = get_user_by_host(from); nick = splitnick(&from); chan = findchan(chname); if (chan) { putlog(LOG_JOIN, chan->dname, "Topic changed on %s by %s!%s: %s", chan->dname, nick, from, msg); m = ismember(chan, nick); if (m != NULL) m->last = now; set_topic(chan, msg); } return 0; } /* 331: no current topic for this channel * 331 :etc */ static int got331(char *from, char *msg) { char *chname = NULL; struct chanset_t *chan = NULL; newsplit(&msg); chname = newsplit(&msg); chan = findchan(chname); if (chan) { set_topic(chan, NULL); } return 0; } /* 332: topic on a channel i've just joined * 332 :topic goes here */ static int got332(char *from, char *msg) { struct chanset_t *chan = NULL; char *chname = NULL; newsplit(&msg); chname = newsplit(&msg); chan = findchan(chname); if (chan) { fixcolon(msg); set_topic(chan, msg); } return 0; } /* Got a join */ static int gotjoin(char *from, char *chname) { char *nick = NULL, *p = NULL, buf[UHOSTLEN] = "", *uhost = buf; char *ch_dname = NULL; struct chanset_t *chan = NULL; memberlist *m = NULL; masklist *b = NULL; struct userrec *u = NULL; struct flag_record fr = {FR_GLOBAL | FR_CHAN, 0, 0}; fixcolon(chname); chan = findchan(chname); if (!chan && chname[0] == '!') { /* As this is a !channel, we need to search for it by display (short) * name now. This will happen when we initially join the channel, as we * dont know the unique channel name that the server has made up. */ int l_chname = strlen(chname); if (l_chname > (CHANNEL_ID_LEN + 1)) { ch_dname = malloc(l_chname + 1); if (ch_dname) { egg_snprintf(ch_dname, l_chname + 2, "!%s", chname + (CHANNEL_ID_LEN + 1)); chan = findchan_by_dname(ch_dname); if (!chan) { /* Hmm.. okay. Maybe the admin's a genius and doesn't know the * difference between id and descriptive channel names. Search * the channel name in the dname list using the id-name. */ chan = findchan_by_dname(chname); if (chan) { /* Duh, I was right. Mark this channel as inactive and log * the incident. */ chan->status |= CHAN_INACTIVE; putlog(LOG_MISC, "*", "Deactivated channel %s, because it uses " "an ID channel-name. Use the descriptive name instead.", chname); dprintf(DP_SERVER, "PART %s\n", chname); goto exit; } } } } } else if (!chan) { /* As this is not a !chan, we need to search for it by display name now. * Unlike !chan's, we dont need to remove the unique part. */ chan = findchan_by_dname(chname); } if (!chan || (chan && !shouldjoin(chan))) { strcpy(uhost, from); nick = splitnick(&uhost); if (match_my_nick(nick)) { putlog(LOG_MISC, "*", "joined %s but didn't want to!", chname); dprintf(DP_MODE, "PART %s\n", chname); } } else if (!channel_pending(chan)) { chan->status &= ~CHAN_STOP_CYCLE; strcpy(uhost, from); nick = splitnick(&uhost); detect_chan_flood(nick, uhost, from, chan, FLOOD_JOIN, NULL); chan = findchan(chname); if (!chan) { if (ch_dname) chan = findchan_by_dname(ch_dname); else chan = findchan_by_dname(chname); } if (!chan) /* The channel doesn't exist anymore, so get out of here. */ goto exit; /* Grab last time joined before we update it */ u = get_user_by_host(from); get_user_flagrec(u, &fr, chan->dname); /* Lam: fix to work with !channels */ if (!channel_active(chan) && !match_my_nick(nick)) { /* uh, what?! i'm on the channel?! */ putlog(LOG_MISC, chan->dname, "confused bot: guess I'm on %s and didn't realize it", chan->dname); chan->status |= CHAN_ACTIVE; chan->status &= ~CHAN_PEND; reset_chan_info(chan); } else { m = ismember(chan, nick); if (m && m->split && !egg_strcasecmp(m->userhost, uhost)) { chan = findchan(chname); if (!chan) { if (ch_dname) chan = findchan_by_dname(ch_dname); else chan = findchan_by_dname(chname); } if (!chan) /* The channel doesn't exist anymore, so get out of here. */ goto exit; /* The tcl binding might have deleted the current user. Recheck. */ u = get_user_by_host(from); m->split = 0; m->last = now; m->delay = 0L; m->flags = (chan_hasop(m) ? WASOP : 0); m->user = u; set_handle_laston(chan->dname, u, now); m->flags |= STOPWHO; putlog(LOG_JOIN, chan->dname, "%s (%s) returned to %s.", nick, uhost, chan->dname); } else { if (m) killmember(chan, nick); m = newmember(chan, nick); m->joined = now; m->split = 0L; m->flags = 0; m->last = now; m->delay = 0L; strcpy(m->nick, nick); strcpy(m->userhost, uhost); m->user = u; m->flags |= STOPWHO; /* The tcl binding might have deleted the current user and the * current channel, so we'll now have to re-check whether they * both still exist. */ chan = findchan(chname); if (!chan) { if (ch_dname) chan = findchan_by_dname(ch_dname); else chan = findchan_by_dname(chname); } if (!chan) /* The channel doesn't exist anymore, so get out of here. */ goto exit; /* The record saved in the channel record always gets updated, so we can use that. */ u = m->user; if (match_my_nick(nick)) { /* It was me joining! Need to update the channel record with the * unique name for the channel (as the server see's it). */ strncpy(chan->name, chname, 81); chan->name[80] = 0; chan->status &= ~CHAN_JUPED; /* ... and log us joining. Using chan->dname for the channel is * important in this case. As the config file will never contain * logs with the unique name. */ if (chname[0] == '!') putlog(LOG_JOIN, chan->dname, "%s joined %s (%s)", nick, chan->dname, chname); else putlog(LOG_JOIN, chan->dname, "%s joined %s.", nick, chname); if (!match_my_nick(chname)) reset_chan_info(chan); } else { putlog(LOG_JOIN, chan->dname, "%s (%s) joined %s.", nick, uhost, chan->dname); /* Don't re-display greeting if they've been on the channel * recently. */ set_handle_laston(chan->dname, u, now); } } /* ok, the op-on-join,etc, tests...first only both if Im opped */ if (me_op(chan)) { /* Check for and reset exempts and invites. * * This will require further checking to account for when to use the * various modes. */ if (u_match_mask(global_invites,from) || u_match_mask(chan->invites, from)) refresh_invite(chan, from); if (!(use_exempts && (u_match_mask(global_exempts,from) || u_match_mask(chan->exempts, from)))) { if (channel_enforcebans(chan) && !chan_op(fr) && !glob_op(fr) && !chan_sentkick(m) && !(use_exempts && (isexempted(chan, from) || (chan->ircnet_status & CHAN_ASKED_EXEMPTS))) && me_op(chan)) { for (b = chan->channel.ban; b->mask[0]; b = b->next) { if (wild_match(b->mask, from)) { dprintf(DP_SERVER, "KICK %s %s :%s%s\n", chname, m->nick, bankickprefix, kickreason(KICK_BANNED)); m->flags |= SENTKICK; goto exit; } } } /* If it matches a ban, dispose of them. */ if (u_match_mask(global_bans, from) || u_match_mask(chan->bans, from)) { refresh_ban_kick(chan, from, nick); /* Likewise for kick'ees */ } else if (!chan_sentkick(m) && (glob_kick(fr) || chan_kick(fr)) && me_op(chan)) { check_exemptlist(chan, from); quickban(chan, from); p = get_user(&USERENTRY_COMMENT, m->user); dprintf(DP_MODE, "KICK %s %s :%s%s\n", chname, nick, bankickprefix, kickreason(KICK_KUSER)); m->flags |= SENTKICK; } } if (!chan_hasop(m) && chk_autoop(fr, chan)) { do_op(m->nick, chan, 1, 0); } } } } exit: if (ch_dname) free(ch_dname); return 0; } /* Got a part */ static int gotpart(char *from, char *msg) { char *nick = NULL, *chname = NULL; struct chanset_t *chan = NULL; struct userrec *u = NULL; chname = newsplit(&msg); fixcolon(chname); fixcolon(msg); chan = findchan(chname); if (chan && !shouldjoin(chan)) { /* shouldnt this check for match_my_nick? */ clear_channel(chan, 1); chan->status &= ~(CHAN_ACTIVE | CHAN_PEND); return 0; } if (chan && !channel_pending(chan)) { u = get_user_by_host(from); nick = splitnick(&from); if (!channel_active(chan)) { /* whoa! */ putlog(LOG_MISC, chan->dname, "confused bot: guess I'm on %s and didn't realize it", chan->dname); chan->status |= CHAN_ACTIVE; chan->status &= ~CHAN_PEND; reset_chan_info(chan); } set_handle_laston(chan->dname, u, now); chan = findchan(chname); if (!chan) return 0; killmember(chan, nick); if (msg[0]) putlog(LOG_JOIN, chan->dname, "%s (%s) left %s (%s).", nick, from, chan->dname, msg); else putlog(LOG_JOIN, chan->dname, "%s (%s) left %s.", nick, from, chan->dname); /* If it was me, all hell breaks loose... */ if (match_my_nick(nick)) { clear_channel(chan, 1); chan->status &= ~(CHAN_ACTIVE | CHAN_PEND); if (shouldjoin(chan)) dprintf(DP_MODE, "JOIN %s %s\n", (chan->name[0]) ? chan->name : chan->dname, chan->channel.key[0] ? chan->channel.key : chan->key_prot); } else check_lonely_channel(chan); } return 0; } /* Got a kick */ static int gotkick(char *from, char *origmsg) { char *nick = NULL, *whodid = NULL, *chname = NULL, s1[UHOSTLEN] = "", buf[UHOSTLEN] = "", *uhost = buf; char buf2[511] = "", *msg = NULL; memberlist *m = NULL; struct chanset_t *chan = NULL; struct userrec *u = NULL; struct flag_record fr = {FR_GLOBAL | FR_CHAN, 0, 0}; strncpy(buf2, origmsg, 510); buf2[510] = 0; msg = buf2; chname = newsplit(&msg); chan = findchan(chname); if (!chan) return 0; nick = newsplit(&msg); if (match_my_nick(nick) && channel_pending(chan) && shouldjoin(chan)) { chan->status &= ~(CHAN_ACTIVE | CHAN_PEND); dprintf(DP_MODE, "JOIN %s %s\n", (chan->name[0]) ? chan->name : chan->dname, chan->channel.key[0] ? chan->channel.key : chan->key_prot); clear_channel(chan, 1); return 0; /* rejoin if kicked before getting needed info */ } if (channel_active(chan)) { #ifdef S_AUTOLOCK chan->channel.fighting++; #endif /* S_AUTOLOCK */ fixcolon(msg); u = get_user_by_host(from); strcpy(uhost, from); whodid = splitnick(&uhost); detect_chan_flood(whodid, uhost, from, chan, FLOOD_KICK, nick); chan = findchan(chname); if (!chan) return 0; m = ismember(chan, whodid); if (m) m->last = now; /* This _needs_ to use chan->dname */ get_user_flagrec(u, &fr, chan->dname); set_handle_laston(chan->dname, u, now); chan = findchan(chname); if (!chan) return 0; if ((m = ismember(chan, nick))) { struct userrec *u2; simple_sprintf(s1, "%s!%s", m->nick, m->userhost); u2 = get_user_by_host(s1); set_handle_laston(chan->dname, u2, now); maybe_revenge(chan, from, s1, REVENGE_KICK); } else { simple_sprintf(s1, "%s!*@could.not.loookup.hostname", nick); } putlog(LOG_MODES, chan->dname, "%s kicked from %s by %s: %s", s1, chan->dname, from, msg); /* Kicked ME?!? the sods! */ if (match_my_nick(nick) && shouldjoin(chan)) { chan->status &= ~(CHAN_ACTIVE | CHAN_PEND); dprintf(DP_MODE, "JOIN %s %s\n", (chan->name[0]) ? chan->name : chan->dname, chan->channel.key[0] ? chan->channel.key : chan->key_prot); clear_channel(chan, 1); } else { killmember(chan, nick); check_lonely_channel(chan); } } return 0; } /* Got a nick change */ static int gotnick(char *from, char *msg) { char *nick = NULL, *chname = NULL, s1[UHOSTLEN] = "", buf[UHOSTLEN] = "", *uhost = buf; memberlist *m = NULL, *mm = NULL; struct chanset_t *chan = NULL, *oldchan = NULL; struct userrec *u = NULL; struct flag_record fr = {FR_GLOBAL | FR_CHAN, 0, 0}; strcpy(uhost, from); nick = splitnick(&uhost); fixcolon(msg); clear_chanlist_member(nick); /* Cache for nick 'nick' is meaningless now. */ for (chan = chanset; chan; chan = chan->next) { oldchan = chan; chname = chan->dname; m = ismember(chan, nick); if (m) { putlog(LOG_JOIN, chan->dname, "Nick change: %s -> %s", nick, msg); m->last = now; if (rfc_casecmp(nick, msg)) { /* Not just a capitalization change */ mm = ismember(chan, msg); if (mm) { /* Someone on channel with old nick?! */ if (mm->split) putlog(LOG_JOIN, chan->dname, "Possible future nick collision: %s", mm->nick); else putlog(LOG_MISC, chan->dname, "* Bug: nick change to existing nick"); killmember(chan, mm->nick); } } /* * Banned? */ /* Compose a nick!user@host for the new nick */ sprintf(s1, "%s!%s", msg, uhost); strcpy(m->nick, msg); memberlist_reposition(chan, m); detect_chan_flood(msg, uhost, from, chan, FLOOD_NICK, NULL); if (!findchan_by_dname(chname)) { chan = oldchan; continue; } /* don't fill the serverqueue with modes or kicks in a nickflood */ if (chan_sentkick(m) || chan_sentdeop(m) || chan_sentop(m) || chan_sentdevoice(m) || chan_sentvoice(m)) m->flags |= STOPCHECK; /* Any pending kick or mode to the old nick is lost. */ m->flags &= ~(SENTKICK | SENTDEOP | SENTOP | SENTVOICE | SENTDEVOICE); /* make sure they stay devoiced if EVOICE! */ /* nick-ban or nick is +k or something? */ if (!chan_stopcheck(m)) { get_user_flagrec(m->user ? m->user : get_user_by_host(s1), &fr, chan->dname); check_this_member(chan, m->nick, &fr); } u = get_user_by_host(from); /* make sure this is in the loop, someone could have changed the record in an earlier iteration of the loop */ if (!findchan_by_dname(chname)) { chan = oldchan; continue; } } } return 0; } #ifdef S_SPLITHIJACK void check_should_cycle(struct chanset_t *chan) { /* If there are other ops split off and i'm the only op on this side of split, cycle */ memberlist *ml = NULL; int localops = 0, localbotops = 0, splitops = 0, splitbotops = 0, localnonops = 0; if (!me_op(chan)) return; for (ml = chan->channel.member; ml && ml->nick[0]; ml = ml->next) { if (chan_hasop(ml)) { if (chan_issplit(ml)) { splitops++; if ((ml->user) && (ml->user->flags & USER_BOT)) splitbotops++; } else { localops++; if ((ml->user) && (ml->user->flags & USER_BOT)) localbotops++; if (localbotops >= 2) return; if (localops > localbotops) return; } } else { if (!chan_issplit(ml)) localnonops++; } } if (splitbotops > 5) { /* I'm only one opped here... and other side has some ops... so i'm cycling */ if (localnonops) { /* need to unset any +kil first */ dprintf(DP_MODE, "MODE %s -ilk %s\nPART %s\nJOIN %s\n", chan->name, (chan->channel.key && chan->channel.key[0]) ? chan->channel.key : "", chan->name, chan->name); } else dprintf(DP_MODE, "PART %s\nJOIN %s\n", chan->name, chan->name); } } #endif /* S_SPLITHIJACK */ /* Signoff, similar to part. */ static int gotquit(char *from, char *msg) { char *nick = NULL, *chname = NULL, *p = NULL; int split = 0; char from2[NICKMAX + UHOSTMAX + 1] = ""; memberlist *m = NULL; struct chanset_t *chan = NULL, *oldchan = NULL; struct userrec *u = NULL; strcpy(from2,from); u = get_user_by_host(from2); nick = splitnick(&from); fixcolon(msg); /* Fred1: Instead of expensive wild_match on signoff, quicker method. * Determine if signoff string matches "%.% %.%", and only one * space. */ p = strchr(msg, ' '); if (p && (p == strrchr(msg, ' '))) { char *z1, *z2; *p = 0; z1 = strchr(p + 1, '.'); z2 = strchr(msg, '.'); if (z1 && z2 && (*(z1 + 1) != 0) && (z1 - 1 != p) && (z2 + 1 != p) && (z2 != msg)) { /* Server split, or else it looked like it anyway (no harm in * assuming) */ split = 1; } else *p = ' '; } for (chan = chanset; chan; chan = chan->next) { oldchan = chan; chname = chan->dname; m = ismember(chan, nick); if (m) { u = get_user_by_host(from2); if (u) { set_handle_laston(chan->dname, u, now); /* If you remove this, the bot will crash when the user record in question is removed/modified during the tcl binds below, and the users was on more than one monitored channel */ } if (split) { m->split = now; if (!findchan_by_dname(chname)) { chan = oldchan; continue; } putlog(LOG_JOIN, chan->dname, "%s (%s) got netsplit.", nick, from); } else { if (!findchan_by_dname(chname)) { chan = oldchan; continue; } putlog(LOG_JOIN, chan->dname, "%s (%s) left irc: %s", nick, from, msg); killmember(chan, nick); check_lonely_channel(chan); } #ifdef S_SPLITHIJACK if (channel_cycle(chan)) check_should_cycle(chan); #endif /* S_SPLITHIJACK */ } } /* Our nick quit? if so, grab it. */ if (keepnick) { if (!rfc_casecmp(nick, origbotname)) { putlog(LOG_MISC, "*", IRC_GETORIGNICK, origbotname); dprintf(DP_SERVER, "NICK %s\n", origbotname); } } return 0; } /* Got a private message. */ static int gotmsg(char *from, char *msg) { char *to = NULL, *realto = NULL, buf[UHOSTLEN] = "", *nick = NULL, buf2[512] = "", *uhost = buf; char *p = NULL, *p1 = NULL, *code = NULL, *ctcp = NULL; int ctcp_count = 0; struct chanset_t *chan = NULL; int ignoring; struct userrec *u = NULL; memberlist *m = NULL; struct flag_record fr = {FR_GLOBAL | FR_CHAN, 0, 0}; if (!strchr("&#!+@$", msg[0])) return 0; ignoring = match_ignore(from); to = newsplit(&msg); realto = (to[0] == '@') ? to + 1 : to; chan = findchan(realto); if (!chan) return 0; /* Private msg to an unknown channel?? */ fixcolon(msg); strcpy(uhost, from); nick = splitnick(&uhost); /* Only check if flood-ctcp is active */ detect_autokick(nick, uhost, chan, msg); if (flud_ctcp_thr && detect_avalanche(msg)) { u = get_user_by_host(from); get_user_flagrec(u, &fr, chan->dname); m = ismember(chan, nick); /* Discard -- kick user if it was to the channel */ if (m && me_op(chan) && !chan_sentkick(m) && !(use_exempts && ban_fun && /* don't kickban if permanent exempted -- Eule */ (u_match_mask(global_exempts, from) || u_match_mask(chan->exempts, from)))) { if (ban_fun) { check_exemptlist(chan, from); u_addmask('b', chan, quickban(chan, uhost), conf.bot->nick, IRC_FUNKICK, now + (60 * chan->ban_time), 0); } if (kick_fun) { /* This can induce kickflood - arthur2 */ dprintf(DP_SERVER, "KICK %s %s :%s%s\n", chan->name, nick, kickprefix, IRC_FUNKICK); m->flags |= SENTKICK; } } if (!ignoring) { putlog(LOG_MODES, "*", "Avalanche from %s!%s in %s - ignoring", nick, uhost, chan->dname); p = strchr(uhost, '@'); if (p) p++; else p = uhost; simple_sprintf(buf2, "*!*@%s", p); addignore(buf2, conf.bot->nick, "ctcp avalanche", now + (60 * ignore_time)); } return 0; } /* Check for CTCP: */ ctcp_reply[0] = 0; p = strchr(msg, 1); while (p && *p) { p++; p1 = p; while ((*p != 1) && *p) p++; if (*p == 1) { *p = 0; ctcp = buf2; strcpy(ctcp, p1); strcpy(p1 - 1, p + 1); detect_chan_flood(nick, uhost, from, chan, strncmp(ctcp, "ACTION ", 7) ? FLOOD_CTCP : FLOOD_PRIVMSG, NULL); chan = findchan(realto); if (!chan) return 0; /* Respond to the first answer_ctcp */ p = strchr(msg, 1); if (ctcp_count < answer_ctcp) { ctcp_count++; if (ctcp[0] != ' ') { code = newsplit(&ctcp); u = get_user_by_host(from); if (!ignoring || trigger_on_ignore) { if (check_bind_ctcp(nick, uhost, u, to, code, ctcp) == BIND_RET_LOG) { chan = findchan(realto); if (!chan) return 0; update_idle(chan->dname, nick); } if (!ignoring) { /* Log DCC, it's to a channel damnit! */ if (!strcmp(code, "ACTION")) { putlog(LOG_PUBLIC, chan->dname, "Action: %s %s", nick, ctcp); } else { putlog(LOG_PUBLIC, chan->dname, "CTCP %s: %s from %s (%s) to %s", code, ctcp, nick, from, to); } } } } } } } /* Send out possible ctcp responses */ if (ctcp_reply[0]) { if (ctcp_mode != 2) { dprintf(DP_HELP, "NOTICE %s :%s\n", nick, ctcp_reply); } else { if (now - last_ctcp > flud_ctcp_time) { dprintf(DP_HELP, "NOTICE %s :%s\n", nick, ctcp_reply); count_ctcp = 1; } else if (count_ctcp < flud_ctcp_thr) { dprintf(DP_HELP, "NOTICE %s :%s\n", nick, ctcp_reply); count_ctcp++; } last_ctcp = now; } } if (msg[0]) { int dolog = 1, botmatch = 0; #ifdef S_AUTHCMDS int i = 0; struct userrec *my_u = NULL; char *my_msg = NULL, *my_ptr = NULL, *fword = NULL; #endif /* S_AUTHCMDS */ /* Check even if we're ignoring the host. (modified by Eule 17.7.99) */ detect_chan_flood(nick, uhost, from, chan, FLOOD_PRIVMSG, NULL); chan = findchan(realto); if (!chan) return 0; #ifdef S_AUTHCMDS my_msg = my_ptr = strdup(msg); fword = newsplit(&my_msg); /* take out first word */ /* the first word is a wildcard match to our nick. */ botmatch = wild_match(fword, botname); if (botmatch && strcmp(fword, "*")) fword = newsplit(&my_msg); /* now this will be the command */ /* is it a cmd? */ if (fword[1] && ((botmatch && fword[0] != cmdprefix[0]) || (fword[0] == cmdprefix[0]))) { i = findauth(uhost); if (i > -1 && auth[i].authed) { if (fword[0] == cmdprefix[0]) fword++; my_u = auth[i].user; if (check_bind_pubc(fword, nick, uhost, my_u, my_msg, chan->dname)) { auth[i].atime = now; dolog--; /* don't log */ } } } free(my_ptr); #endif /* S_AUTHCMDS */ if (dolog) { if (!ignoring) { if (to[0] == '@') putlog(LOG_PUBLIC, chan->dname, "@<%s> %s", nick, msg); else putlog(LOG_PUBLIC, chan->dname, "<%s> %s", nick, msg); } } update_idle(chan->dname, nick); } return 0; } /* Got a private notice. */ static int gotnotice(char *from, char *msg) { char *to = NULL, *realto = NULL, *nick = NULL, buf2[512] = "", *p = NULL, *p1 = NULL, buf[512] = "", *uhost = buf; char *ctcp = NULL, *code = NULL; struct userrec *u = NULL; memberlist *m = NULL; struct chanset_t *chan = NULL; struct flag_record fr = {FR_GLOBAL | FR_CHAN, 0, 0}; int ignoring; if (!strchr(CHANMETA "@", *msg)) return 0; ignoring = match_ignore(from); to = newsplit(&msg); realto = (*to == '@') ? to + 1 : to; chan = findchan(realto); if (!chan) return 0; /* Notice to an unknown channel?? */ fixcolon(msg); strcpy(uhost, from); nick = splitnick(&uhost); u = get_user_by_host(from); if (flud_ctcp_thr && detect_avalanche(msg)) { get_user_flagrec(u, &fr, chan->dname); m = ismember(chan, nick); /* Discard -- kick user if it was to the channel */ if (me_op(chan) && m && !chan_sentkick(m) && !(use_exempts && ban_fun && /* don't kickban if permanent exempted -- Eule */ (u_match_mask(global_exempts,from) || u_match_mask(chan->exempts, from)))) { if (ban_fun) { check_exemptlist(chan, from); u_addmask('b', chan, quickban(chan, uhost), conf.bot->nick, IRC_FUNKICK, now + (60 * chan->ban_time), 0); } if (kick_fun) { /* This can induce kickflood - arthur2 */ dprintf(DP_SERVER, "KICK %s %s :%s%s\n", chan->name, nick, kickprefix, IRC_FUNKICK); m->flags |= SENTKICK; } } if (!ignoring) putlog(LOG_MODES, "*", "Avalanche from %s", from); return 0; } /* Check for CTCP: */ p = strchr(msg, 1); while (p && *p) { p++; p1 = p; while ((*p != 1) && *p) p++; if (*p == 1) { *p = 0; ctcp = buf2; strcpy(ctcp, p1); strcpy(p1 - 1, p + 1); p = strchr(msg, 1); detect_chan_flood(nick, uhost, from, chan, strncmp(ctcp, "ACTION ", 7) ? FLOOD_CTCP : FLOOD_PRIVMSG, NULL); chan = findchan(realto); if (!chan) return 0; if (ctcp[0] != ' ') { code = newsplit(&ctcp); if (!ignoring || trigger_on_ignore) { check_bind_ctcr(nick, uhost, u, chan->dname, code, msg); chan = findchan(realto); if (!chan) return 0; if (!ignoring) { putlog(LOG_PUBLIC, chan->dname, "CTCP reply %s: %s from %s (%s) to %s", code, msg, nick, from, chan->dname); update_idle(chan->dname, nick); } } } } } if (msg[0]) { /* Check even if we're ignoring the host. (modified by Eule 17.7.99) */ detect_chan_flood(nick, uhost, from, chan, FLOOD_NOTICE, NULL); chan = findchan(realto); if (!chan) return 0; if (!ignoring || trigger_on_ignore) { chan = findchan(realto); if (!chan) return 0; } if (!ignoring) putlog(LOG_PUBLIC, chan->dname, "-%s:%s- %s", nick, to, msg); update_idle(chan->dname, nick); } return 0; } static cmd_t irc_raw[] = { {"324", "", (Function) got324, "irc:324"}, {"352", "", (Function) got352, "irc:352"}, {"354", "", (Function) got354, "irc:354"}, {"315", "", (Function) got315, "irc:315"}, {"367", "", (Function) got367, "irc:367"}, {"368", "", (Function) got368, "irc:368"}, {"403", "", (Function) got403, "irc:403"}, {"405", "", (Function) got405, "irc:405"}, {"471", "", (Function) got471, "irc:471"}, {"473", "", (Function) got473, "irc:473"}, {"474", "", (Function) got474, "irc:474"}, {"475", "", (Function) got475, "irc:475"}, {"INVITE", "", (Function) gotinvite, "irc:invite"}, {"TOPIC", "", (Function) gottopic, "irc:topic"}, {"331", "", (Function) got331, "irc:331"}, {"332", "", (Function) got332, "irc:332"}, {"JOIN", "", (Function) gotjoin, "irc:join"}, {"PART", "", (Function) gotpart, "irc:part"}, {"KICK", "", (Function) gotkick, "irc:kick"}, {"NICK", "", (Function) gotnick, "irc:nick"}, {"QUIT", "", (Function) gotquit, "irc:quit"}, {"PRIVMSG", "", (Function) gotmsg, "irc:msg"}, {"NOTICE", "", (Function) gotnotice, "irc:notice"}, {"MODE", "", (Function) gotmode, "irc:mode"}, {"346", "", (Function) got346, "irc:346"}, {"347", "", (Function) got347, "irc:347"}, {"348", "", (Function) got348, "irc:348"}, {"349", "", (Function) got349, "irc:349"}, {NULL, NULL, NULL, NULL} }; #endif /* LEAF */