+static void mode_a_check_altchan(struct Client* sptr, char *channel) {
+ struct Channel *chptrb;
+ if (!(chptrb = FindChannel(channel))) {
+ if (((channel[0] == '&') && !feature_bool(FEAT_LOCAL_CHANNELS)) || strlen(channel) > IRCD_MIN(CHANNELLEN, feature_int(FEAT_CHANNELLEN))) {
+ //we don't send an error message here - that would be very strange for the user, because they normaly don't know that mode +F is set
+ } else if ((chptrb = get_channel(sptr, channel, CGT_CREATE))) {
+ struct JoinBuf create;
+ joinbuf_init(&create, sptr, sptr, JOINBUF_TYPE_CREATE, 0, TStime());
+ joinbuf_join(&create, chptrb, CHFL_CHANOP | CHFL_CHANNEL_MANAGER);
+ do_names(sptr, chptrb, NAMES_ALL|NAMES_EON);
+ joinbuf_flush(&create);
+ }
+ } else {
+ if(find_member_link(chptrb, sptr))
+ return; //we have already joined this channel
+ //first of all check if we may even join this channel
+ int err2 = 0;
+ int flags = 0;
+ if (chptrb->users == 0 && !chptrb->mode.apass[0] && !(chptrb->mode.mode & MODE_PERSIST)) {
+ /* Joining a zombie channel (zannel): give ops and increment TS. */
+ flags = CHFL_CHANOP;
+ chptrb->creationtime++;
+ } else if (IsInvited(sptr, chptrb)) {
+ /* Invites and key=OVERRIDE bypass these other checks. */
+ } else if (chptrb->mode.mode & MODE_INVITEONLY)
+ err2 = ERR_INVITEONLYCHAN;
+ else if (chptrb->mode.limit && (chptrb->users >= chptrb->mode.limit))
+ err2 = ERR_CHANNELISFULL;
+ else if ((chptrb->mode.mode & MODE_REGONLY) && !IsAccount(sptr))
+ err2 = ERR_NEEDREGGEDNICK;
+ else if ((chptrb->mode.mode & MODE_SSLCHAN) && !IsSSL(sptr))
+ err2 = ERR_SSLCHANNEL;
+ else if (find_ban(sptr, chptrb->banlist))
+ err2 = ERR_BANNEDFROMCHAN;
+ else if (*chptrb->mode.key) //Fix this!
+ err2 = ERR_BADCHANNELKEY;
+ if(!err2) {
+ struct JoinBuf join;
+ joinbuf_init(&join, sptr, sptr, JOINBUF_TYPE_JOIN, 0, 0);
+ joinbuf_join(&join, chptrb, flags);
+ del_invite(sptr, chptrb);
+ if (chptrb->topic[0]) {
+ send_reply(sptr, RPL_TOPIC, chptrb->chname, chptrb->topic);
+ send_reply(sptr, RPL_TOPICWHOTIME, chptrb->chname, chptrb->topic_nick, chptrb->topic_time);
+ }
+ do_names(sptr, chptrb, NAMES_ALL|NAMES_EON); /* send /names list */
+ joinbuf_flush(&join);
+ }
+ }