struct SLink *lp, **lp_p;
unsigned int parse_flags = (MODE_PARSE_FORCE | MODE_PARSE_BURST);
int param, nickpos = 0, banpos = 0;
- char modestr[IRC_BUFSIZE], nickstr[IRC_BUFSIZE], banstr[IRC_BUFSIZE];
+ char modestr[BUFSIZE], nickstr[BUFSIZE], banstr[BUFSIZE];
if (parc < 4)
return protocol_violation(sptr,"Too few parameters for BURST");
return mbuf ? modebuf_flush(mbuf) : 0;
}
-#if 0
-int ms_burst(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
-{
- struct Channel* chptr;
- time_t timestamp;
- int netride = 0;
- int wipeout = 0;
- int n;
- int send_it = 0;
- int add_banid_not_called = 1;
- struct Mode* current_mode;
- size_t sblen;
- size_t mblen = 0;
- int mblen2;
- int pblen2;
- int cnt;
- int prev_mode;
- char prev_key[KEYLEN + 1];
- struct Membership* member;
- struct SLink* lp;
- char modebuf[MODEBUFLEN];
- char parabuf[MODEBUFLEN];
- char bmodebuf[MODEBUFLEN];
- char bparambuf[MODEBUFLEN];
-
- /* BURST is only for servers and has at least 4 parameters */
- if (!IsServer(cptr) || parc < 4)
- return 0;
-
- if (!IsBurst(sptr))
- {
- int i;
- char *p;
- if (find_conf_byhost(cptr->confs, sptr->name, CONF_UWORLD))
- {
- p =
- sprintf_irc(sendbuf, /* XXX DYING */
- ":%s NOTICE * :*** Notice -- HACK(4): %s BURST %s %s", me.name,
- sptr->name, parv[1], parv[2]);
- for (i = 3; i < parc - 1; ++i)
- p = sprintf_irc(p, " %s", parv[i]);
- sprintf_irc(p, " :%s", parv[parc - 1]);
- sendbufto_op_mask(SNO_HACK4); /* XXX DYING */
- }
- else
- {
-#if 1 /* FIXME: This should be removed after all HUBs upgraded to ircu2.10.05 */
- SetBurst(sptr);
- if (MyConnect(sptr))
-#endif
- return exit_client_msg(cptr, cptr, &me,
- "HACK: BURST message outside net.burst from %s", sptr->name);
- }
- }
-
- /* Find the channel, or create it - note that the creation time
- * will be 0 if it has to be created */
- chptr = get_channel(sptr, parv[1], CGT_CREATE);
- current_mode = &chptr->mode;
- prev_mode = chptr->mode.mode;
- if (*chptr->mode.key)
- {
- prev_mode |= MODE_KEY;
- strcpy(prev_key, chptr->mode.key);
- }
- if (chptr->mode.limit)
- prev_mode |= MODE_LIMIT;
-
- timestamp = atoi(parv[2]);
-
- /* Copy the new TS when the received creationtime appears to be older */
- if (!chptr->creationtime || chptr->creationtime > timestamp)
- {
- /* Set the new timestamp */
- chptr->creationtime = timestamp;
- send_it = 1; /* Make sure we pass on the different timestamp ! */
- /* Mark all bans as needed to be wiped out */
- for (lp = chptr->banlist; lp; lp = lp->next)
- lp->flags |= CHFL_BURST_BAN_WIPEOUT;
- /*
- * Only the first BURST for this channel can have creationtime > timestamp,
- * so at this moment ALL members are on OUR side, and thus all net.riders:
- */
- wipeout = 1;
- }
- for (member = chptr->members; member; member = member->next_member)
- member->status &= ~CHFL_BURST_JOINED; /* Set later for nicks in the BURST msg */
- /* If `wipeout' is set then these will be deopped later. */
-
- /* If the entering creationtime is younger, ignore the modes */
- if (chptr->creationtime < timestamp)
- netride = 1; /* Only pass on the nicks (so they JOIN) */
-
- /* Prepare buffers to pass the message */
- *bparambuf = *bmodebuf = *parabuf = '\0';
- pblen2 = 0;
- *modebuf = '+';
- mblen2 = 1;
- cnt = 0;
- sblen = sprintf_irc(sendbuf, "%s B %s " TIME_T_FMT, /* XXX DYING */
- NumServ(sptr), chptr->chname, chptr->creationtime) - sendbuf; /* XXX DYING */
-
- /* Run over all remaining parameters */
- for (n = 3; n < parc; n++)
- switch (*parv[n]) /* What type is it ? mode, nicks or bans ? */
- {
- case '+': /* modes */
- {
- char *p = parv[n];
- while (*(++p)) /* Run over all mode characters */
- {
- switch (*p) /* which mode ? */
- {
- /*
- * The following cases all do the following:
- * - In case wipeout needed, reset 'prev_mode' to indicate this
- * mode should not be cancelled.
- * - If wipeout or (not netride and the new mode is a change),
- * add it to bmodebuf and bparabuf for propagation.
- * - Else ignore it.
- * - Add it to modebuf and parabuf for propagation to the
- * clients when not netride and the new mode is a change.
- * Special cases:
- * - If a +s is received, cancel a +p and sent a -p to the
- * clients too (if +p was set).
- * - If a +p is received and +s is set, ignore the +p.
- */
- case 'i':
- {
- int tmp;
- prev_mode &= ~MODE_INVITEONLY;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_INVITEONLY)) || wipeout)
- {
- bmodebuf[mblen++] = 'i';
- current_mode->mode |= MODE_INVITEONLY;
- }
- if (!tmp)
- modebuf[mblen2++] = 'i';
- break;
- }
- case 'k':
- {
- int tmp;
- char *param = parv[++n];
- prev_mode &= ~MODE_KEY;
- if (!(tmp = netride || (*current_mode->key &&
- (!strcmp(current_mode->key, param) ||
- (!wipeout && strcmp(current_mode->key, param) < 0)))) ||
- wipeout)
- {
- bmodebuf[mblen++] = 'k';
- strcat(bparambuf, " ");
- strcat(bparambuf, param);
- ircd_strncpy(current_mode->key, param, KEYLEN);
- }
- if (!tmp && !wipeout)
- {
- modebuf[mblen2++] = 'k';
- parabuf[pblen2++] = ' ';
- strcpy(parabuf + pblen2, param);
- pblen2 += strlen(param);
- cnt++;
- }
- break;
- }
- case 'l':
- {
- int tmp;
- unsigned int param = atoi(parv[++n]);
- prev_mode &= ~MODE_LIMIT;
- if (!(tmp = netride || (current_mode->limit &&
- (current_mode->limit == param ||
- (!wipeout && current_mode->limit < param)))) || wipeout)
- {
- bmodebuf[mblen++] = 'l';
- sprintf_irc(bparambuf + strlen(bparambuf), " %d", param);
- current_mode->limit = param;
- }
- if (!tmp)
- {
- modebuf[mblen2++] = 'l';
- pblen2 = sprintf_irc(parabuf + pblen2, " %d", param) - parabuf;
- cnt++;
- }
- break;
- }
- case 'm':
- {
- int tmp;
- prev_mode &= ~MODE_MODERATED;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_MODERATED)) || wipeout)
- {
- bmodebuf[mblen++] = 'm';
- current_mode->mode |= MODE_MODERATED;
- }
- if (!tmp)
- modebuf[mblen2++] = 'm';
- break;
- }
- case 'n':
- {
- int tmp;
- prev_mode &= ~MODE_NOPRIVMSGS;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_NOPRIVMSGS)) || wipeout)
- {
- bmodebuf[mblen++] = 'n';
- current_mode->mode |= MODE_NOPRIVMSGS;
- }
- if (!tmp)
- modebuf[mblen2++] = 'n';
- break;
- }
- case 'p':
- {
- int tmp;
-
- /* Special case: */
- if (!netride && !wipeout && (current_mode->mode & MODE_SECRET))
- break;
-
- prev_mode &= ~MODE_PRIVATE;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_PRIVATE)) || wipeout)
- {
- bmodebuf[mblen++] = 'p';
- current_mode->mode |= MODE_PRIVATE;
- }
- if (!tmp)
- modebuf[mblen2++] = 'p';
- break;
- }
- case 's':
- {
- int tmp;
- prev_mode &= ~MODE_SECRET;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_SECRET)) || wipeout)
- {
- bmodebuf[mblen++] = 's';
- current_mode->mode |= MODE_SECRET;
- }
- if (!tmp)
- modebuf[mblen2++] = 's';
-
- /* Special case: */
- if (!netride && !wipeout && (current_mode->mode & MODE_PRIVATE))
- {
- int i;
- for (i = mblen2 - 1; i >= 0; --i)
- modebuf[i + 2] = modebuf[i];
- modebuf[0] = '-';
- modebuf[1] = 'p';
- mblen2 += 2;
- current_mode->mode &= ~MODE_PRIVATE;
- }
-
- break;
- }
- case 't':
- {
- int tmp;
- prev_mode &= ~MODE_TOPICLIMIT;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_TOPICLIMIT)) || wipeout)
- {
- bmodebuf[mblen++] = 't';
- current_mode->mode |= MODE_TOPICLIMIT;
- }
- if (!tmp)
- modebuf[mblen2++] = 't';
- break;
- }
- }
- } /* <-- while over all modes */
-
- bmodebuf[mblen] = '\0';
- sendbuf[sblen] = '\0'; /* XXX DYING */
- if (mblen) /* Anything to send at all ? */
- {
- send_it = 1;
- strcpy(sendbuf + sblen, " +"); /* XXX DYING */
- sblen += 2;
- strcpy(sendbuf + sblen, bmodebuf); /* XXX DYING */
- sblen += mblen;
- strcpy(sendbuf + sblen, bparambuf); /* XXX DYING */
- sblen += strlen(bparambuf);
- }
- break; /* Done mode part */
- }
- case '%': /* bans */
- {
- char *pv, *p = 0, *ban;
- int first = 1;
- if (netride)
- break; /* Ignore bans */
- /* Run over all bans */
- for (pv = parv[n] + 1; (ban = ircd_strtok(&p, pv, " ")); pv = 0)
- {
- int ret;
- /*
- * The following part should do the following:
- * - If the new (un)ban is not a _change_ it is ignored.
- * - Else, add it to sendbuf for later use.
- * - If sendbuf is full, send it, and prepare a new
- * message in sendbuf.
- */
- ret = add_banid(sptr, chptr, ban, 1, add_banid_not_called);
- if (ret == 0)
- {
- add_banid_not_called = 0;
- /* Mark this new ban so we can send it to the clients later */
- chptr->banlist->flags |= CHFL_BURST_BAN;
- }
- if (ret != -1)
- /* A new ban was added or an existing one needs to be passed on.
- * Also add it to sendbuf: */
- add_token_to_sendbuf(ban, &sblen, &first, &send_it, '%', 0); /* XXX DYING */
- }
- break; /* Done bans part */
- }
- default: /* nicks */
- {
- char *pv, *p = 0, *nick, *ptr;
- int first = 1;
- /* Default mode: */
- int default_mode = CHFL_DEOPPED;
- /* Run over all nicks */
- for (pv = parv[n]; (nick = ircd_strtok(&p, pv, ",")); pv = 0)
- {
- struct Client *acptr;
- if ((ptr = strchr(nick, ':'))) /* New default mode ? */
- {
- *ptr = '\0'; /* Fix 'nick' */
- acptr = findNUser(nick);
- if (!netride)
- {
- /* Calculate new mode change: */
- default_mode = CHFL_DEOPPED;
- while (*(++ptr))
- if (*ptr == 'o')
- {
- default_mode |= CHFL_CHANOP;
- default_mode &= ~CHFL_DEOPPED;
- }
- else if (*ptr == 'v')
- default_mode |= CHFL_VOICE;
- else
- break;
- }
- }
- else
- acptr = findNUser(nick);
- /*
- * Note that at this point we already received a 'NICK' for any
- * <nick> numeric that is joining (and possibly opped) here.
- * Therefore we consider the following situations:
- * - The <nick> numeric exists and is from the direction of cptr: ok
- * - The <nick> numeric does not exist:
- * Apparently this previous <nick> numeric was killed (upstream)
- * or it collided with an existing <nick> name.
- * - The <nick> numeric exists but is from another direction:
- * Apparently this previous <nick> numeric was killed,
- * and due to a reroute it signed on via another link (probably
- * a nick [numeric] collision).
- * Note that it can't be a QUIT or SQUIT, because a QUIT would
- * come from the same direction as the BURST (cptr) while an
- * upstream SQUIT removes the source (server) and we would thus
- * have this BURST ignored already.
- * This means that if we find the nick and it is from the correct
- * direction, it joins. If it doesn't exist or is from another
- * direction, we have to ignore it. If all nicks are ignored, we
- * remove the channel again when it is empty and don't propagate
- * the BURST message.
- */
- if (acptr && acptr->from == cptr)
- {
- /*
- * The following should do the following:
- * - Add it to sendbuf for later use.
- * - If sendbuf is full, send it, and prepare a new
- * message in sendbuf.
- */
- add_token_to_sendbuf(nick, &sblen, &first, &send_it, 0, /* XXX DYING */
- default_mode);
- /* Let is take effect: (Note that in the case of a netride
- * 'default_mode' is always CHFL_DEOPPED here). */
- add_user_to_channel(chptr, acptr, default_mode | CHFL_BURST_JOINED);
- }
- } /* <-- Next nick */
- if (!chptr->members) /* All nicks collided and channel is empty ? */
- {
- sub1_from_channel(chptr);
- return 0; /* Forget about the (rest of the) message... */
- }
- break; /* Done nicks part */
- }
- } /* <-- Next parameter if any */
- if (!chptr->members) /* This message only contained bans (then the previous
- message only contained collided nicks, see above) */
- {
- sub1_from_channel(chptr);
- if (!add_banid_not_called)
- while (next_removed_overlapped_ban());
- return 0; /* Forget about the (rest of the) message... */
- }
-
- /* The last (possibly only) message is always send here */
- if (send_it) /* Anything (left) to send ? */
- {
- struct DLink *lp;
- struct Membership* member;
-
- /* send 'sendbuf' to all downlinks */
- for (lp = me.serv->down; lp; lp = lp->next)
- {
- if (lp->value.cptr == cptr)
- continue;
- if (Protocol(lp->value.cptr) > 9)
- sendbufto_one(lp->value.cptr); /* XXX DYING */
- }
-
- /*
- * Now we finally can screw sendbuf again...
- * Send all changes to the local clients:
- *
- * First send all joins and op them, because 2.9 servers
- * would protest with a HACK if we first de-opped people.
- * However, we don't send the +b bans yes, because we
- * DO first want to -b the old bans (otherwise it's confusing).
- */
-
- /* Send all joins: */
- for (member = chptr->members; member; member = member->next_member)
- if (IsBurstJoined(member))
- {
- sendto_channel_butserv(chptr, member->user, ":%s JOIN :%s", /* XXX DYING */
- member->user->name, chptr->chname);
- }
-
- if (!netride)
- {
- /* Send all +o and +v modes: */
- for (member = chptr->members; member; member = member->next_member)
- {
- if (IsBurstJoined(member))
- {
- int mode = CHFL_CHANOP;
- for (;;)
- {
- if ((member->status & mode))
- {
- modebuf[mblen2++] = (mode == CHFL_CHANOP) ? 'o' : 'v';
- parabuf[pblen2++] = ' ';
- strcpy(parabuf + pblen2, member->user->name);
- pblen2 += strlen(member->user->name);
- if (6 == ++cnt)
- {
- modebuf[mblen2] = 0;
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s%s", /* XXX DYING */
- parv[0], chptr->chname, modebuf, parabuf);
- *parabuf = 0;
- pblen2 = 0;
- mblen2 = 1;
- cnt = 0;
- }
- }
- if (mode == CHFL_CHANOP)
- mode = CHFL_VOICE;
- else
- break;
- }
- }
- }
- /* Flush MODEs: */
- if (cnt > 0 || mblen2 > 1)
- {
- modebuf[mblen2] = 0;
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s%s", /* XXX DYING */
- parv[0], chptr->chname, modebuf, parabuf);
- }
- }
- }
-
- if (wipeout)
- {
- struct Membership* member;
- struct SLink** ban;
- int mode;
- char m;
- int count = -1;
-
- /* Now cancel all previous simple modes */
- if ((prev_mode & MODE_SECRET))
- cancel_mode(sptr, chptr, 's', 0, &count); /* XXX DYING */
- if ((prev_mode & MODE_PRIVATE))
- cancel_mode(sptr, chptr, 'p', 0, &count); /* XXX DYING */
- if ((prev_mode & MODE_MODERATED))
- cancel_mode(sptr, chptr, 'm', 0, &count); /* XXX DYING */
- if ((prev_mode & MODE_TOPICLIMIT))
- cancel_mode(sptr, chptr, 't', 0, &count); /* XXX DYING */
- if ((prev_mode & MODE_INVITEONLY))
- cancel_mode(sptr, chptr, 'i', 0, &count); /* XXX DYING */
- if ((prev_mode & MODE_NOPRIVMSGS))
- cancel_mode(sptr, chptr, 'n', 0, &count); /* XXX DYING */
- if ((prev_mode & MODE_LIMIT))
- {
- current_mode->limit = 0;
- cancel_mode(sptr, chptr, 'l', 0, &count); /* XXX DYING */
- }
- if ((prev_mode & MODE_KEY))
- {
- *current_mode->key = 0;
- cancel_mode(sptr, chptr, 'k', prev_key, &count); /* XXX DYING */
- }
- current_mode->mode &= ~prev_mode;
-
- /* And deop and devoice all net.riders on my side */
- mode = CHFL_CHANOP;
- m = 'o';
- for (;;)
- {
- struct Membership* member_next = 0;
-
- for (member = chptr->members; member; member = member_next)
- {
- member_next = member->next_member;
- if (IsBurstJoined(member))
- continue; /* This is not a net.rider from
- this side of the net.junction */
-#if defined(NO_INVITE_NETRIDE)
- /*
- * Kick net riding users from invite only channels.
- * - Isomer 25-11-1999
- */
- if (chptr->mode.mode & MODE_INVITEONLY) {
- /* kick is magical - lotsa zombies and other undead.
- * I'm hoping this is the right idea, comments anyone?
- * Set everyone to a zombie, remove ops, and then send kicks
- * everywhere...
- */
- if (IsZombie(member)) { /* don't kick ppl twice */
- member->status = member->status & ~mode;
- continue;
- }
-
- sendto_highprot_butone(0, 10, "%s " TOK_KICK " %s %s%s :Net Rider", /* XXX DYING */
- NumServ(&me), chptr->chname, NumNick(member->user));
- sendto_channel_butserv(chptr, sptr, /* XXX DYING */
- ":%s KICK %s %s :Net Rider", me.name, chptr->chname,
- member->user->name);
-
- if (MyUser(member->user)) {
- sendto_lowprot_butone(0, 9, ":%s PART %s", /* XXX DYING */
- member->user->name, chptr->chname, member->user->name);
- sendto_highprot_butone(0, 10, "%s%s PART %s", /* XXX DYING */
- NumNick(member->user), chptr->chname);
- remove_user_from_channel(member->user, chptr);
- }
- else {
- member->status = (member->status & ~mode) | CHFL_ZOMBIE;
- }
- continue;
- }
-#endif /* defined(NO_INVITE_NETRIDE) */
- if ((member->status & mode))
- {
- member->status &= ~mode;
- if (mode == CHFL_CHANOP)
- SetDeopped(member);
- cancel_mode(sptr, chptr, m, member->user->name, &count); /* XXX DYING */
- }
- }
- if (mode == CHFL_VOICE)
- break;
- mode = CHFL_VOICE;
- m = 'v';
- }
-
- /* And finally wipeout all bans that are left */
- for (ban = &chptr->banlist; *ban; ) {
- struct SLink* tmp = *ban;
- if ((tmp->flags & CHFL_BURST_BAN_WIPEOUT)) {
- struct Membership* member_z;
-
- *ban = tmp->next;
- cancel_mode(sptr, chptr, 'b', tmp->value.ban.banstr, &count); /* XXX DYING */
-
- /* Copied from del_banid(): */
- MyFree(tmp->value.ban.banstr);
- MyFree(tmp->value.ban.who);
- free_link(tmp);
-
- /* Erase ban-valid-bit, for channel members that are banned */
- for (member_z = chptr->members; member_z; member_z = member_z->next_member)
- if ((member_z->status & CHFL_BANVALIDMASK) == CHFL_BANVALIDMASK)
- ClearBanValid(member_z);
- }
- else
- ban = &tmp->next;
- }
- /* Also wipeout overlapped bans */
- if (!add_banid_not_called)
- {
- struct SLink *ban;
- while ((ban = next_removed_overlapped_ban()))
- cancel_mode(sptr, chptr, 'b', ban->value.ban.banstr, &count); /* XXX DYING */
- }
- cancel_mode(sptr, chptr, 0, 0, &count); /* flush */ /* XXX DYING */
- }
-
- if (send_it && !netride)
- {
- struct SLink *bl;
- int deban;
-
- if (add_banid_not_called || !(bl = next_removed_overlapped_ban()))
- {
- deban = 0;
- bl = chptr->banlist;
- *modebuf = '+';
- }
- else
- {
- deban = 1;
- *modebuf = '-';
- }
-
- mblen2 = 1;
- pblen2 = 0;
- cnt = 0;
- for (;;)
- {
- size_t nblen = 0;
- if (bl)
- nblen = strlen(bl->value.ban.banstr);
- if (cnt == 6 || (!bl && cnt) || pblen2 + nblen + 12 > MODEBUFLEN) /* The last check is to make sure
- that the receiving 2.9 will
- still process this */
- {
- /* Time to send buffer */
- modebuf[mblen2] = 0;
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s%s", /* XXX DYING */
- parv[0], chptr->chname, modebuf, parabuf);
- *modebuf = deban ? '-' : '+';
- mblen2 = 1;
- pblen2 = 0;
- cnt = 0;
- }
- if (!bl) /* Done ? */
- break;
- if (deban || (bl->flags & CHFL_BURST_BAN))
- {
- /* Add ban to buffers and remove it */
- modebuf[mblen2++] = 'b';
- parabuf[pblen2++] = ' ';
- strcpy(parabuf + pblen2, bl->value.ban.banstr);
- pblen2 += nblen;
- cnt++;
- bl->flags &= ~CHFL_BURST_BAN;
- }
- if (deban)
- {
- if (!(bl = next_removed_overlapped_ban()))
- {
- deban = 0;
- modebuf[mblen2++] = '+';
- bl = chptr->banlist;
- }
- }
- else
- bl = bl->next;
- }
- /* Flush MODE [-b]+b ...: */
- if (cnt > 0 || mblen2 > 1)
- {
- modebuf[mblen2] = 0;
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s%s", /* XXX DYING */
- parv[0], chptr->chname, modebuf, parabuf);
- }
- }
- return 0;
-}
-#endif
-
-#if 0
-/*
- * m_burst -- by Run carlo@runaway.xs4all.nl december 1995 till march 1997
- *
- * parv[0] = sender prefix
- * parv[1] = channel name
- * parv[2] = channel timestamp
- * The meaning of the following parv[]'s depend on their first character:
- * If parv[n] starts with a '+':
- * Net burst, additive modes
- * parv[n] = <mode>
- * parv[n+1] = <param> (optional)
- * parv[n+2] = <param> (optional)
- * If parv[n] starts with a '%', then n will be parc-1:
- * parv[n] = %<ban> <ban> <ban> ...
- * If parv[n] starts with another character:
- * parv[n] = <nick>[:<mode>],<nick>[:<mode>],...
- * where <mode> is the channel mode (ov) of nick and all following nicks.
- *
- * Example:
- * "S BURST #channel 87654321 +ntkl key 123 AAA,AAB:o,BAA,BAB:ov :%ban1 ban2"
- *
- * Anti net.ride code.
- *
- * When the channel already exist, and its TS is larger then
- * the TS in the BURST message, then we cancel all existing modes.
- * If its is smaller then the received BURST message is ignored.
- * If it's equal, then the received modes are just added.
- */
-int m_burst(struct Client *cptr, struct Client *sptr, int parc, char *parv[])
-{
- struct Channel* chptr;
- time_t timestamp;
- int netride = 0;
- int wipeout = 0;
- int n;
- int send_it = 0;
- int add_banid_not_called = 1;
- struct Mode* current_mode;
- size_t sblen;
- size_t mblen = 0;
- int mblen2;
- int pblen2;
- int cnt;
- int prev_mode;
- char prev_key[KEYLEN + 1];
- struct Membership* member;
- struct SLink* lp;
- char modebuf[MODEBUFLEN];
- char parabuf[MODEBUFLEN];
- char bmodebuf[MODEBUFLEN];
- char bparambuf[MODEBUFLEN];
-
- /* BURST is only for servers and has at least 4 parameters */
- if (!IsServer(cptr) || parc < 4)
- return 0;
-
- if (!IsBurst(sptr))
- {
- int i;
- char *p;
- if (find_conf_byhost(cptr->confs, sptr->name, CONF_UWORLD))
- {
- p =
- sprintf_irc(sendbuf, /* XXX DEAD */
- ":%s NOTICE * :*** Notice -- HACK(4): %s BURST %s %s", me.name,
- sptr->name, parv[1], parv[2]);
- for (i = 3; i < parc - 1; ++i)
- p = sprintf_irc(p, " %s", parv[i]);
- sprintf_irc(p, " :%s", parv[parc - 1]);
- sendbufto_op_mask(SNO_HACK4); /* XXX DEAD */
- }
- else
- {
-#if 1 /* FIXME: This should be removed after all HUBs upgraded to ircu2.10.05 */
- SetBurst(sptr);
- if (MyConnect(sptr))
-#endif
- return exit_client_msg(cptr, cptr, &me,
- "HACK: BURST message outside net.burst from %s", sptr->name);
- }
- }
-
- /* Find the channel, or create it - note that the creation time
- * will be 0 if it has to be created */
- chptr = get_channel(sptr, parv[1], CGT_CREATE);
- current_mode = &chptr->mode;
- prev_mode = chptr->mode.mode;
- if (*chptr->mode.key)
- {
- prev_mode |= MODE_KEY;
- strcpy(prev_key, chptr->mode.key);
- }
- if (chptr->mode.limit)
- prev_mode |= MODE_LIMIT;
-
- timestamp = atoi(parv[2]);
-
- /* Copy the new TS when the received creationtime appears to be older */
- if (!chptr->creationtime || chptr->creationtime > timestamp)
- {
- /* Set the new timestamp */
- chptr->creationtime = timestamp;
- send_it = 1; /* Make sure we pass on the different timestamp ! */
- /* Mark all bans as needed to be wiped out */
- for (lp = chptr->banlist; lp; lp = lp->next)
- lp->flags |= CHFL_BURST_BAN_WIPEOUT;
- /*
- * Only the first BURST for this channel can have creationtime > timestamp,
- * so at this moment ALL members are on OUR side, and thus all net.riders:
- */
- wipeout = 1;
- }
- for (member = chptr->members; member; member = member->next_member)
- member->status &= ~CHFL_BURST_JOINED; /* Set later for nicks in the BURST msg */
- /* If `wipeout' is set then these will be deopped later. */
-
- /* If the entering creationtime is younger, ignore the modes */
- if (chptr->creationtime < timestamp)
- netride = 1; /* Only pass on the nicks (so they JOIN) */
-
- /* Prepare buffers to pass the message */
- *bparambuf = *bmodebuf = *parabuf = '\0';
- pblen2 = 0;
- *modebuf = '+';
- mblen2 = 1;
- cnt = 0;
- sblen = sprintf_irc(sendbuf, "%s B %s " TIME_T_FMT, /* XXX DEAD */
- NumServ(sptr), chptr->chname, chptr->creationtime) - sendbuf; /* XXX DEAD */
-
- /* Run over all remaining parameters */
- for (n = 3; n < parc; n++)
- switch (*parv[n]) /* What type is it ? mode, nicks or bans ? */
- {
- case '+': /* modes */
- {
- char *p = parv[n];
- while (*(++p)) /* Run over all mode characters */
- {
- switch (*p) /* which mode ? */
- {
- /*
- * The following cases all do the following:
- * - In case wipeout needed, reset 'prev_mode' to indicate this
- * mode should not be cancelled.
- * - If wipeout or (not netride and the new mode is a change),
- * add it to bmodebuf and bparabuf for propagation.
- * - Else ignore it.
- * - Add it to modebuf and parabuf for propagation to the
- * clients when not netride and the new mode is a change.
- * Special cases:
- * - If a +s is received, cancel a +p and sent a -p to the
- * clients too (if +p was set).
- * - If a +p is received and +s is set, ignore the +p.
- */
- case 'i':
- {
- int tmp;
- prev_mode &= ~MODE_INVITEONLY;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_INVITEONLY)) || wipeout)
- {
- bmodebuf[mblen++] = 'i';
- current_mode->mode |= MODE_INVITEONLY;
- }
- if (!tmp)
- modebuf[mblen2++] = 'i';
- break;
- }
- case 'k':
- {
- int tmp;
- char *param = parv[++n];
- prev_mode &= ~MODE_KEY;
- if (!(tmp = netride || (*current_mode->key &&
- (!strcmp(current_mode->key, param) ||
- (!wipeout && strcmp(current_mode->key, param) < 0)))) ||
- wipeout)
- {
- bmodebuf[mblen++] = 'k';
- strcat(bparambuf, " ");
- strcat(bparambuf, param);
- ircd_strncpy(current_mode->key, param, KEYLEN);
- }
- if (!tmp && !wipeout)
- {
- modebuf[mblen2++] = 'k';
- parabuf[pblen2++] = ' ';
- strcpy(parabuf + pblen2, param);
- pblen2 += strlen(param);
- cnt++;
- }
- break;
- }
- case 'l':
- {
- int tmp;
- unsigned int param = atoi(parv[++n]);
- prev_mode &= ~MODE_LIMIT;
- if (!(tmp = netride || (current_mode->limit &&
- (current_mode->limit == param ||
- (!wipeout && current_mode->limit < param)))) || wipeout)
- {
- bmodebuf[mblen++] = 'l';
- sprintf_irc(bparambuf + strlen(bparambuf), " %d", param);
- current_mode->limit = param;
- }
- if (!tmp)
- {
- modebuf[mblen2++] = 'l';
- pblen2 = sprintf_irc(parabuf + pblen2, " %d", param) - parabuf;
- cnt++;
- }
- break;
- }
- case 'm':
- {
- int tmp;
- prev_mode &= ~MODE_MODERATED;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_MODERATED)) || wipeout)
- {
- bmodebuf[mblen++] = 'm';
- current_mode->mode |= MODE_MODERATED;
- }
- if (!tmp)
- modebuf[mblen2++] = 'm';
- break;
- }
- case 'n':
- {
- int tmp;
- prev_mode &= ~MODE_NOPRIVMSGS;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_NOPRIVMSGS)) || wipeout)
- {
- bmodebuf[mblen++] = 'n';
- current_mode->mode |= MODE_NOPRIVMSGS;
- }
- if (!tmp)
- modebuf[mblen2++] = 'n';
- break;
- }
- case 'p':
- {
- int tmp;
-
- /* Special case: */
- if (!netride && !wipeout && (current_mode->mode & MODE_SECRET))
- break;
-
- prev_mode &= ~MODE_PRIVATE;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_PRIVATE)) || wipeout)
- {
- bmodebuf[mblen++] = 'p';
- current_mode->mode |= MODE_PRIVATE;
- }
- if (!tmp)
- modebuf[mblen2++] = 'p';
- break;
- }
- case 's':
- {
- int tmp;
- prev_mode &= ~MODE_SECRET;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_SECRET)) || wipeout)
- {
- bmodebuf[mblen++] = 's';
- current_mode->mode |= MODE_SECRET;
- }
- if (!tmp)
- modebuf[mblen2++] = 's';
-
- /* Special case: */
- if (!netride && !wipeout && (current_mode->mode & MODE_PRIVATE))
- {
- int i;
- for (i = mblen2 - 1; i >= 0; --i)
- modebuf[i + 2] = modebuf[i];
- modebuf[0] = '-';
- modebuf[1] = 'p';
- mblen2 += 2;
- current_mode->mode &= ~MODE_PRIVATE;
- }
-
- break;
- }
- case 't':
- {
- int tmp;
- prev_mode &= ~MODE_TOPICLIMIT;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_TOPICLIMIT)) || wipeout)
- {
- bmodebuf[mblen++] = 't';
- current_mode->mode |= MODE_TOPICLIMIT;
- }
- if (!tmp)
- modebuf[mblen2++] = 't';
- break;
- }
- }
- } /* <-- while over all modes */
-
- bmodebuf[mblen] = '\0';
- sendbuf[sblen] = '\0'; /* XXX DEAD */
- if (mblen) /* Anything to send at all ? */
- {
- send_it = 1;
- strcpy(sendbuf + sblen, " +"); /* XXX DEAD */
- sblen += 2;
- strcpy(sendbuf + sblen, bmodebuf); /* XXX DEAD */
- sblen += mblen;
- strcpy(sendbuf + sblen, bparambuf); /* XXX DEAD */
- sblen += strlen(bparambuf);
- }
- break; /* Done mode part */
- }
- case '%': /* bans */
- {
- char *pv, *p = 0, *ban;
- int first = 1;
- if (netride)
- break; /* Ignore bans */
- /* Run over all bans */
- for (pv = parv[n] + 1; (ban = ircd_strtok(&p, pv, " ")); pv = 0)
- {
- int ret;
- /*
- * The following part should do the following:
- * - If the new (un)ban is not a _change_ it is ignored.
- * - Else, add it to sendbuf for later use.
- * - If sendbuf is full, send it, and prepare a new
- * message in sendbuf.
- */
- ret = add_banid(sptr, chptr, ban, 1, add_banid_not_called);
- if (ret == 0)
- {
- add_banid_not_called = 0;
- /* Mark this new ban so we can send it to the clients later */
- chptr->banlist->flags |= CHFL_BURST_BAN;
- }
- if (ret != -1)
- /* A new ban was added or an existing one needs to be passed on.
- * Also add it to sendbuf: */
- add_token_to_sendbuf(ban, &sblen, &first, &send_it, '%', 0); /* XXX DEAD */
- }
- break; /* Done bans part */
- }
- default: /* nicks */
- {
- char *pv, *p = 0, *nick, *ptr;
- int first = 1;
- /* Default mode: */
- int default_mode = CHFL_DEOPPED;
- /* Run over all nicks */
- for (pv = parv[n]; (nick = ircd_strtok(&p, pv, ",")); pv = 0)
- {
- struct Client *acptr;
- if ((ptr = strchr(nick, ':'))) /* New default mode ? */
- {
- *ptr = '\0'; /* Fix 'nick' */
- acptr = findNUser(nick);
- if (!netride)
- {
- /* Calculate new mode change: */
- default_mode = CHFL_DEOPPED;
- while (*(++ptr))
- if (*ptr == 'o')
- {
- default_mode |= CHFL_CHANOP;
- default_mode &= ~CHFL_DEOPPED;
- }
- else if (*ptr == 'v')
- default_mode |= CHFL_VOICE;
- else
- break;
- }
- }
- else
- acptr = findNUser(nick);
- /*
- * Note that at this point we already received a 'NICK' for any
- * <nick> numeric that is joining (and possibly opped) here.
- * Therefore we consider the following situations:
- * - The <nick> numeric exists and is from the direction of cptr: ok
- * - The <nick> numeric does not exist:
- * Apparently this previous <nick> numeric was killed (upstream)
- * or it collided with an existing <nick> name.
- * - The <nick> numeric exists but is from another direction:
- * Apparently this previous <nick> numeric was killed,
- * and due to a reroute it signed on via another link (probably
- * a nick [numeric] collision).
- * Note that it can't be a QUIT or SQUIT, because a QUIT would
- * come from the same direction as the BURST (cptr) while an
- * upstream SQUIT removes the source (server) and we would thus
- * have this BURST ignored already.
- * This means that if we find the nick and it is from the correct
- * direction, it joins. If it doesn't exist or is from another
- * direction, we have to ignore it. If all nicks are ignored, we
- * remove the channel again when it is empty and don't propagate
- * the BURST message.
- */
- if (acptr && acptr->from == cptr)
- {
- /*
- * The following should do the following:
- * - Add it to sendbuf for later use.
- * - If sendbuf is full, send it, and prepare a new
- * message in sendbuf.
- */
- add_token_to_sendbuf(nick, &sblen, &first, &send_it, 0, /* XXX DEAD */
- default_mode);
- /* Let is take effect: (Note that in the case of a netride
- * 'default_mode' is always CHFL_DEOPPED here). */
- add_user_to_channel(chptr, acptr, default_mode | CHFL_BURST_JOINED);
- }
- } /* <-- Next nick */
- if (!chptr->members) /* All nicks collided and channel is empty ? */
- {
- sub1_from_channel(chptr);
- return 0; /* Forget about the (rest of the) message... */
- }
- break; /* Done nicks part */
- }
- } /* <-- Next parameter if any */
- if (!chptr->members) /* This message only contained bans (then the previous
- message only contained collided nicks, see above) */
- {
- sub1_from_channel(chptr);
- if (!add_banid_not_called)
- while (next_removed_overlapped_ban());
- return 0; /* Forget about the (rest of the) message... */
- }
-
- /* The last (possibly only) message is always send here */
- if (send_it) /* Anything (left) to send ? */
- {
- struct DLink *lp;
- struct Membership* member;
-
- /* send 'sendbuf' to all downlinks */
- for (lp = me.serv->down; lp; lp = lp->next)
- {
- if (lp->value.cptr == cptr)
- continue;
- if (Protocol(lp->value.cptr) > 9)
- sendbufto_one(lp->value.cptr); /* XXX DEAD */
- }
-
- /*
- * Now we finally can screw sendbuf again...
- * Send all changes to the local clients:
- *
- * First send all joins and op them, because 2.9 servers
- * would protest with a HACK if we first de-opped people.
- * However, we don't send the +b bans yes, because we
- * DO first want to -b the old bans (otherwise it's confusing).
- */
-
- /* Send all joins: */
- for (member = chptr->members; member; member = member->next_member)
- if (IsBurstJoined(member))
- {
- sendto_channel_butserv(chptr, member->user, ":%s JOIN :%s", /* XXX DEAD */
- member->user->name, chptr->chname);
- }
-
- if (!netride)
- {
- /* Send all +o and +v modes: */
- for (member = chptr->members; member; member = member->next_member)
- {
- if (IsBurstJoined(member))
- {
- int mode = CHFL_CHANOP;
- for (;;)
- {
- if ((member->status & mode))
- {
- modebuf[mblen2++] = (mode == CHFL_CHANOP) ? 'o' : 'v';
- parabuf[pblen2++] = ' ';
- strcpy(parabuf + pblen2, member->user->name);
- pblen2 += strlen(member->user->name);
- if (6 == ++cnt)
- {
- modebuf[mblen2] = 0;
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s%s", /* XXX DEAD */
- parv[0], chptr->chname, modebuf, parabuf);
- *parabuf = 0;
- pblen2 = 0;
- mblen2 = 1;
- cnt = 0;
- }
- }
- if (mode == CHFL_CHANOP)
- mode = CHFL_VOICE;
- else
- break;
- }
- }
- }
- /* Flush MODEs: */
- if (cnt > 0 || mblen2 > 1)
- {
- modebuf[mblen2] = 0;
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s%s", /* XXX DEAD */
- parv[0], chptr->chname, modebuf, parabuf);
- }
- }
- }
-
- if (wipeout)
- {
- struct Membership* member;
- struct SLink** ban;
- int mode;
- char m;
- int count = -1;
-
- /* Now cancel all previous simple modes */
- if ((prev_mode & MODE_SECRET))
- cancel_mode(sptr, chptr, 's', 0, &count); /* XXX DEAD */
- if ((prev_mode & MODE_PRIVATE))
- cancel_mode(sptr, chptr, 'p', 0, &count); /* XXX DEAD */
- if ((prev_mode & MODE_MODERATED))
- cancel_mode(sptr, chptr, 'm', 0, &count); /* XXX DEAD */
- if ((prev_mode & MODE_TOPICLIMIT))
- cancel_mode(sptr, chptr, 't', 0, &count); /* XXX DEAD */
- if ((prev_mode & MODE_INVITEONLY))
- cancel_mode(sptr, chptr, 'i', 0, &count); /* XXX DEAD */
- if ((prev_mode & MODE_NOPRIVMSGS))
- cancel_mode(sptr, chptr, 'n', 0, &count); /* XXX DEAD */
- if ((prev_mode & MODE_LIMIT))
- {
- current_mode->limit = 0;
- cancel_mode(sptr, chptr, 'l', 0, &count); /* XXX DEAD */
- }
- if ((prev_mode & MODE_KEY))
- {
- *current_mode->key = 0;
- cancel_mode(sptr, chptr, 'k', prev_key, &count); /* XXX DEAD */
- }
- current_mode->mode &= ~prev_mode;
-
- /* And deop and devoice all net.riders on my side */
- mode = CHFL_CHANOP;
- m = 'o';
- for (;;)
- {
- struct Membership* member_next = 0;
-
- for (member = chptr->members; member; member = member_next)
- {
- member_next = member->next_member;
- if (IsBurstJoined(member))
- continue; /* This is not a net.rider from
- this side of the net.junction */
-#if defined(NO_INVITE_NETRIDE)
- /*
- * Kick net riding users from invite only channels.
- * - Isomer 25-11-1999
- */
- if (chptr->mode.mode & MODE_INVITEONLY) {
- /* kick is magical - lotsa zombies and other undead.
- * I'm hoping this is the right idea, comments anyone?
- * Set everyone to a zombie, remove ops, and then send kicks
- * everywhere...
- */
- if (IsZombie(member)) { /* don't kick ppl twice */
- member->status = member->status & ~mode;
- continue;
- }
- member->status = (member->status & ~mode) | CHFL_ZOMBIE;
-
- sendto_highprot_butone(0, 10, "%s " TOK_KICK "%s %s%s :Net Rider", /* XXX DEAD */
- NumServ(&me), chptr->chname, NumNick(member->user));
- sendto_channel_butserv(chptr, sptr, /* XXX DEAD */
- ":%s KICK %s %s :Net Rider", me.name, chptr->chname,
- member->user->name);
-
- if (MyUser(member->user)) {
- sendto_lowprot_butone(0, 9, ":%s PART %s", /* XXX DEAD */
- member->user->name, chptr->chname, member->user->name);
- sendto_highprot_butone(0, 10, "%s%s PART %s", /* XXX DEAD */
- NumNick(member->user), chptr->chname);
- remove_user_from_channel(member->user, chptr);
- }
- else {
- member->status = (member->status & ~mode) | CHFL_ZOMBIE;
- }
- continue;
- }
-#endif /* defined(NO_INVITE_NETRIDE) */
- if ((member->status & mode))
- {
- member->status &= ~mode;
- if (mode == CHFL_CHANOP)
- SetDeopped(member);
- cancel_mode(sptr, chptr, m, member->user->name, &count); /* XXX DEAD */
- }
- }
- if (mode == CHFL_VOICE)
- break;
- mode = CHFL_VOICE;
- m = 'v';
- }
-
- /* And finally wipeout all bans that are left */
- for (ban = &chptr->banlist; *ban; ) {
- struct SLink* tmp = *ban;
- if ((tmp->flags & CHFL_BURST_BAN_WIPEOUT)) {
- struct Membership* member_z;
-
- *ban = tmp->next;
- cancel_mode(sptr, chptr, 'b', tmp->value.ban.banstr, &count); /* XXX DEAD */
-
- /* Copied from del_banid(): */
- MyFree(tmp->value.ban.banstr);
- MyFree(tmp->value.ban.who);
- free_link(tmp);
-
- /* Erase ban-valid-bit, for channel members that are banned */
- for (member_z = chptr->members; member_z; member_z = member_z->next_member)
- if ((member_z->status & CHFL_BANVALIDMASK) == CHFL_BANVALIDMASK)
- ClearBanValid(member_z);
- }
- else
- ban = &tmp->next;
- }
- /* Also wipeout overlapped bans */
- if (!add_banid_not_called)
- {
- struct SLink *ban;
- while ((ban = next_removed_overlapped_ban()))
- cancel_mode(sptr, chptr, 'b', ban->value.ban.banstr, &count); /* XXX DEAD */
- }
- cancel_mode(sptr, chptr, 0, 0, &count); /* flush */ /* XXX DEAD */
- }
-
- if (send_it && !netride)
- {
- struct SLink *bl;
- int deban;
-
- if (add_banid_not_called || !(bl = next_removed_overlapped_ban()))
- {
- deban = 0;
- bl = chptr->banlist;
- *modebuf = '+';
- }
- else
- {
- deban = 1;
- *modebuf = '-';
- }
-
- mblen2 = 1;
- pblen2 = 0;
- cnt = 0;
- for (;;)
- {
- size_t nblen = 0;
- if (bl)
- nblen = strlen(bl->value.ban.banstr);
- if (cnt == 6 || (!bl && cnt) || pblen2 + nblen + 12 > MODEBUFLEN) /* The last check is to make sure
- that the receiving 2.9 will
- still process this */
- {
- /* Time to send buffer */
- modebuf[mblen2] = 0;
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s%s", /* XXX DEAD */
- parv[0], chptr->chname, modebuf, parabuf);
- *modebuf = deban ? '-' : '+';
- mblen2 = 1;
- pblen2 = 0;
- cnt = 0;
- }
- if (!bl) /* Done ? */
- break;
- if (deban || (bl->flags & CHFL_BURST_BAN))
- {
- /* Add ban to buffers and remove it */
- modebuf[mblen2++] = 'b';
- parabuf[pblen2++] = ' ';
- strcpy(parabuf + pblen2, bl->value.ban.banstr);
- pblen2 += nblen;
- cnt++;
- bl->flags &= ~CHFL_BURST_BAN;
- }
- if (deban)
- {
- if (!(bl = next_removed_overlapped_ban()))
- {
- deban = 0;
- modebuf[mblen2++] = '+';
- bl = chptr->banlist;
- }
- }
- else
- bl = bl->next;
- }
- /* Flush MODE [-b]+b ...: */
- if (cnt > 0 || mblen2 > 1)
- {
- modebuf[mblen2] = 0;
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s%s", /* XXX DEAD */
- parv[0], chptr->chname, modebuf, parabuf);
- }
- }
-
- return 0;
-}
-#endif /* 0 */
-
projects / ircu2.10.12-pk.git / blobdiff