/* m_topic() * parv[0] = sender prefix * parv[1] = channel name * parv[2] = new topic, if setting topic */ static void m_topic(struct Client *client_p, struct Client *source_p, int parc, char *parv[]) { struct Channel *chptr = NULL; char *p; struct Membership *ms; const char *from, *to; if (!MyClient(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p)) { from = me.id; to = source_p->id; } else { from = me.name; to = source_p->name; } if ((p = strchr(parv[1], ',')) != NULL) *p = '\0'; if (EmptyString(parv[1])) { sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), from, to, "TOPIC"); return; } if (MyClient(source_p) && !IsFloodDone(source_p)) flood_endgrace(source_p); if (IsChanPrefix(*parv[1])) { if ((chptr = hash_find_channel(parv[1])) == NULL) { sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL), from, to, parv[1]); return; } /* setting topic */ if (parc > 2) { if ((ms = find_channel_link(source_p, chptr)) == NULL && !IsService(source_p)) { sendto_one(source_p, form_str(ERR_NOTONCHANNEL), me.name, source_p->name, parv[1]); return; } if ((chptr->mode.mode & MODE_TOPICLIMIT) == 0 || has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP) || IsGod(source_p) || IsService(source_p)) { char topic_info[USERHOST_REPLYLEN]; if(!has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP) && IsGod(source_p) && MyClient(source_p) && (chptr->mode.mode & MODE_TOPICLIMIT) != 0) { char tmp[IRCD_BUFSIZE]; ircsprintf(tmp, "%s is using God mode: TOPIC %s %s", source_p->name, chptr->chname, parv[2]); sendto_gnotice_flags(UMODE_SERVNOTICE, L_ALL, me.name, &me, NULL, tmp); oftc_log(tmp); } ircsprintf(topic_info, "%s!%s@%s", source_p->name, source_p->username, source_p->host); set_channel_topic(chptr, parv[2], topic_info, CurrentTime); sendto_server(client_p, chptr, CAP_TS6, NOCAPS, ":%s TOPIC %s :%s", ID(source_p), chptr->chname, chptr->topic == NULL ? "" : chptr->topic); sendto_server(client_p, chptr, NOCAPS, CAP_TS6, ":%s TOPIC %s :%s", source_p->name, chptr->chname, chptr->topic == NULL ? "" : chptr->topic); sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s!%s@%s TOPIC %s :%s", source_p->name, source_p->username, source_p->host, chptr->chname, chptr->topic == NULL ? "" : chptr->topic); } else sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED), from, to, chptr->chname); } else /* only asking for topic */ { if (!SecretChannel(chptr) || IsMember(source_p, chptr)) { if (chptr->topic == NULL) sendto_one(source_p, form_str(RPL_NOTOPIC), from, to, chptr->chname); else { sendto_one(source_p, form_str(RPL_TOPIC), from, to, chptr->chname, chptr->topic); sendto_one(source_p, form_str(RPL_TOPICWHOTIME), from, to, chptr->chname, chptr->topic_info, chptr->topic_time); } } else { sendto_one(source_p, form_str(ERR_NOTONCHANNEL), from, to, chptr->chname); return; } } } else { sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL), from, to, parv[1]); } }
/* m_kick() * parv[0] = sender prefix * parv[1] = channel * parv[2] = client to kick * parv[3] = kick comment */ static void m_kick(struct Client *client_p, struct Client *source_p, int parc, char *parv[]) { struct Client *who; struct Channel *chptr; int chasing = 0; int gmode_used = 0; char *comment; char *name; char *p = NULL; char *user; const char *from, *to; struct Membership *ms = NULL; struct Membership *ms_target; if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p)) { from = me.id; to = source_p->id; } else { from = me.name; to = source_p->name; } if (*parv[2] == '\0') { sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), from, to, "KICK"); return; } if (MyClient(source_p) && !IsFloodDone(source_p)) flood_endgrace(source_p); comment = (EmptyString(parv[3])) ? parv[2] : parv[3]; if (strlen(comment) > (size_t)KICKLEN) comment[KICKLEN] = '\0'; name = parv[1]; while (*name == ',') name++; if ((p = strchr(name,',')) != NULL) *p = '\0'; if (*name == '\0') return; if ((chptr = hash_find_channel(name)) == NULL) { sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL), from, to, name); return; } if (!IsServer(source_p)) { if ((ms = find_channel_link(source_p, chptr)) == NULL) { if (MyConnect(source_p)) { sendto_one(source_p, form_str(ERR_NOTONCHANNEL), me.name, source_p->name, name); return; } } if(chptr->mode.mode & MODE_NOCOLOR && msg_has_colors(comment)) comment = strip_color(comment); if (!has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP)) { /* was a user, not a server, and user isn't seen as a chanop here */ if (IsGod(source_p) && MyConnect(source_p)) gmode_used = TRUE; else if (MyConnect(source_p)) { /* user on _my_ server, with no chanops.. so go away */ sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED), me.name, source_p->name, name); return; } if (chptr->channelts == 0 && !IsGod(source_p)) { /* If its a TS 0 channel, do it the old way */ sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED), me.name, source_p->name, name); return; } /* Its a user doing a kick, but is not showing as chanop locally * its also not a user ON -my- server, and the channel has a TS. * There are two cases we can get to this point then... * * 1) connect burst is happening, and for some reason a legit * op has sent a KICK, but the SJOIN hasn't happened yet or * been seen. (who knows.. due to lag...) * * 2) The channel is desynced. That can STILL happen with TS * * Now, the old code roger wrote, would allow the KICK to * go through. Thats quite legit, but lets weird things like * KICKS by users who appear not to be chanopped happen, * or even neater, they appear not to be on the channel. * This fits every definition of a desync, doesn't it? ;-) * So I will allow the KICK, otherwise, things are MUCH worse. * But I will warn it as a possible desync. * * -Dianora */ } } user = parv[2]; while (*user == ',') user++; if ((p = strchr(user, ',')) != NULL) *p = '\0'; if (*user == '\0') return; if ((who = find_chasing(client_p, source_p, user, &chasing)) == NULL) return; if ((ms_target = find_channel_link(who, chptr)) != NULL) { if (IsGod(who)) { char tmp[IRCD_BUFSIZE]; ircsprintf(tmp, "%s is using God mode: to evade KICK from %s: %s %s %s", who->name, source_p->name, chptr->chname, parv[2], parv[3] ? parv[3] : ""); sendto_gnotice_flags(UMODE_SERVNOTICE, L_ALL, me.name, &me, NULL, tmp); oftc_log(tmp); return; } if(IsService(who)) return; #ifdef HALFOPS /* half ops cannot kick other halfops on private channels */ if (has_member_flags(ms, CHFL_HALFOP) && !has_member_flags(ms, CHFL_CHANOP)) { if (((chptr->mode.mode & MODE_PRIVATE) && has_member_flags(ms_target, CHFL_CHANOP|CHFL_HALFOP)) || has_member_flags(ms_target, CHFL_CHANOP)) { sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED), me.name, source_p->name, name); return; } } #endif /* jdc * - In the case of a server kicking a user (i.e. CLEARCHAN), * the kick should show up as coming from the server which did * the kick. * - Personally, flame and I believe that server kicks shouldn't * be sent anyways. Just waiting for some oper to abuse it... */ if (IsServer(source_p)) sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s KICK %s %s :%s", source_p->name, name, who->name, comment); else sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s!%s@%s KICK %s %s :%s", source_p->name, source_p->username, source_p->host, name, who->name, comment); sendto_server(client_p, NULL, chptr, CAP_TS6, NOCAPS, NOFLAGS, ":%s KICK %s %s :%s", ID(source_p), chptr->chname, ID(who), comment); sendto_server(client_p, NULL, chptr, NOCAPS, CAP_TS6, NOFLAGS, ":%s KICK %s %s :%s", source_p->name, chptr->chname, who->name, comment); remove_user_from_channel(ms_target); if(gmode_used) { char tmp[IRCD_BUFSIZE]; ircsprintf(tmp, "%s is using God mode: KICK %s %s %s", source_p->name, chptr->chname, parv[2], parv[3] ? parv[3] : ""); sendto_gnotice_flags(UMODE_SERVNOTICE, L_ALL, me.name, &me, NULL, tmp); oftc_log(tmp); } } else sendto_one(source_p, form_str(ERR_USERNOTINCHANNEL), from, to, user, name); }