X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fchannels.cpp;h=67f908195de95eb130bdec2bdccd8c46be25154f;hb=e2b0f3dc9ef4d56c71d7abda13e6139ca092e387;hp=d99a577234dc4aeb5befafe604c136918055f0a6;hpb=a2461fb7e1c28e28e64b61256d7a547162a83f6e;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/channels.cpp b/src/channels.cpp index d99a57723..67f908195 100644 --- a/src/channels.cpp +++ b/src/channels.cpp @@ -1,13 +1,15 @@ /* * InspIRCd -- Internet Relay Chat Daemon * + * Copyright (C) 2017 B00mX0r + * Copyright (C) 2013-2014, 2016-2020 Sadie Powell + * Copyright (C) 2013 Adam + * Copyright (C) 2012-2016, 2018 Attila Molnar + * Copyright (C) 2012, 2019 Robby * Copyright (C) 2009-2010 Daniel De Graaf - * Copyright (C) 2006-2008 Robin Burchell - * Copyright (C) 2006, 2008 Oliver Lupton - * Copyright (C) 2008 Pippijn van Steenhoven - * Copyright (C) 2003-2008 Craig Edwards - * Copyright (C) 2008 Thomas Stagner * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2006-2009 Robin Burchell + * Copyright (C) 2006-2008, 2010 Craig Edwards * * This file is part of InspIRCd. InspIRCd is free software: you can * redistribute it and/or modify it under the terms of the GNU General Public @@ -29,9 +31,6 @@ namespace { ChanModeReference ban(NULL, "ban"); - ChanModeReference inviteonlymode(NULL, "inviteonly"); - ChanModeReference keymode(NULL, "key"); - ChanModeReference limitmode(NULL, "limit"); } Channel::Channel(const std::string &cname, time_t ts) @@ -43,15 +42,25 @@ Channel::Channel(const std::string &cname, time_t ts) void Channel::SetMode(ModeHandler* mh, bool on) { - modes[mh->GetId()] = on; + if (mh && mh->GetId() != ModeParser::MODEID_MAX) + modes[mh->GetId()] = on; } -void Channel::SetTopic(User* u, const std::string& ntopic) +void Channel::SetTopic(User* u, const std::string& ntopic, time_t topicts, const std::string* setter) { - this->topic.assign(ntopic, 0, ServerInstance->Config->Limits.MaxTopic); - this->setby.assign(ServerInstance->Config->FullHostInTopic ? u->GetFullHost() : u->nick, 0, 128); - this->WriteChannel(u, "TOPIC %s :%s", this->name.c_str(), this->topic.c_str()); - this->topicset = ServerInstance->Time(); + // Send a TOPIC message to the channel only if the new topic text differs + if (this->topic != ntopic) + { + this->topic = ntopic; + ClientProtocol::Messages::Topic topicmsg(u, this, this->topic); + Write(ServerInstance->GetRFCEvents().topic, topicmsg); + } + + // Always update setter and set time + if (!setter) + setter = ServerInstance->Config->FullHostInTopic ? &u->GetFullHost() : &u->nick; + this->setby.assign(*setter, 0, ServerInstance->Config->Limits.GetMaxMask()); + this->topicset = topicts; FOREACH_MOD(OnPostTopicChange, (u, this, this->topic)); } @@ -90,7 +99,6 @@ void Channel::CheckDestroy() FOREACH_MOD(OnChannelDelete, (this)); ServerInstance->chanlist.erase(iter); - ClearInvites(); ServerInstance->GlobalCulls.AddItem(this); } @@ -131,7 +139,7 @@ void Channel::SetDefaultModes() if (mode->IsPrefixMode()) continue; - if (mode->GetNumParams(true)) + if (mode->NeedsParam(true)) { list.GetToken(parameter); // If the parameter begins with a ':' then it's invalid @@ -141,7 +149,7 @@ void Channel::SetDefaultModes() else parameter.clear(); - if ((mode->GetNumParams(true)) && (parameter.empty())) + if ((mode->NeedsParam(true)) && (parameter.empty())) continue; mode->OnModeChange(ServerInstance->FakeClient, ServerInstance->FakeClient, this, parameter, true); @@ -170,18 +178,20 @@ Channel* Channel::JoinUser(LocalUser* user, std::string cname, bool override, co if (!override) { unsigned int maxchans = user->GetClass()->maxchans; + if (!maxchans) + maxchans = ServerInstance->Config->MaxChans; if (user->IsOper()) { - unsigned int opermaxchans = ConvToInt(user->oper->getConfig("maxchans")); + unsigned int opermaxchans = ConvToNum(user->oper->getConfig("maxchans")); // If not set, use 2.0's , if that's not set either, use limit from CC - if (!opermaxchans) + if (!opermaxchans && user->HasPrivPermission("channels/high-join-limit")) opermaxchans = ServerInstance->Config->OperMaxChans; if (opermaxchans) maxchans = opermaxchans; } if (user->chans.size() >= maxchans) { - user->WriteNumeric(ERR_TOOMANYCHANNELS, "%s :You are on too many channels", cname.c_str()); + user->WriteNumeric(ERR_TOOMANYCHANNELS, cname, "You are on too many channels"); return NULL; } } @@ -228,62 +238,17 @@ Channel* Channel::JoinUser(LocalUser* user, std::string cname, bool override, co return NULL; // If no module returned MOD_RES_DENY or MOD_RES_ALLOW (which is the case - // most of the time) then proceed to check channel modes +k, +i, +l and bans, - // in this order. + // most of the time) then proceed to check channel bans. + // // If a module explicitly allowed the join (by returning MOD_RES_ALLOW), // then this entire section is skipped if (MOD_RESULT == MOD_RES_PASSTHRU) { - std::string ckey = chan->GetModeParameter(keymode); - bool invited = user->IsInvited(chan); - bool can_bypass = ServerInstance->Config->InvBypassModes && invited; - - if (!ckey.empty()) - { - FIRST_MOD_RESULT(OnCheckKey, MOD_RESULT, (user, chan, key)); - if (!MOD_RESULT.check(InspIRCd::TimingSafeCompare(ckey, key) || can_bypass)) - { - // If no key provided, or key is not the right one, and can't bypass +k (not invited or option not enabled) - user->WriteNumeric(ERR_BADCHANNELKEY, "%s :Cannot join channel (Incorrect channel key)", chan->name.c_str()); - return NULL; - } - } - - if (chan->IsModeSet(inviteonlymode)) - { - FIRST_MOD_RESULT(OnCheckInvite, MOD_RESULT, (user, chan)); - if (!MOD_RESULT.check(invited)) - { - user->WriteNumeric(ERR_INVITEONLYCHAN, "%s :Cannot join channel (Invite only)", chan->name.c_str()); - return NULL; - } - } - - std::string limit = chan->GetModeParameter(limitmode); - if (!limit.empty()) - { - FIRST_MOD_RESULT(OnCheckLimit, MOD_RESULT, (user, chan)); - if (!MOD_RESULT.check((chan->GetUserCounter() < atol(limit.c_str()) || can_bypass))) - { - user->WriteNumeric(ERR_CHANNELISFULL, "%s :Cannot join channel (Channel is full)", chan->name.c_str()); - return NULL; - } - } - - if (chan->IsBanned(user) && !can_bypass) + if (chan->IsBanned(user)) { - user->WriteNumeric(ERR_BANNEDFROMCHAN, "%s :Cannot join channel (You're banned)", chan->name.c_str()); + user->WriteNumeric(ERR_BANNEDFROMCHAN, chan->name, "Cannot join channel (you're banned)"); return NULL; } - - /* - * If the user has invites for this channel, remove them now - * after a successful join so they don't build up. - */ - if (invited) - { - user->RemoveInvite(chan); - } } } } @@ -310,8 +275,8 @@ Membership* Channel::ForceJoin(User* user, const std::string* privs, bool bursti if (privs) { - // If the user was granted prefix modes (in the OnUserPreJoin hook, or he's a - // remote user and his own server set the modes), then set them internally now + // If the user was granted prefix modes (in the OnUserPreJoin hook, or they're a + // remote user and their own server set the modes), then set them internally now for (std::string::const_iterator i = privs->begin(); i != privs->end(); ++i) { PrefixMode* mh = ServerInstance->Modes->FindPrefixMode(*i); @@ -328,18 +293,8 @@ Membership* Channel::ForceJoin(User* user, const std::string* privs, bool bursti CUList except_list; FOREACH_MOD(OnUserJoin, (memb, bursting, created_by_local, except_list)); - this->WriteAllExcept(user, false, 0, except_list, "JOIN :%s", this->name.c_str()); - - /* Theyre not the first ones in here, make sure everyone else sees the modes we gave the user */ - if ((GetUserCounter() > 1) && (!memb->modes.empty())) - { - std::string ms = memb->modes; - for(unsigned int i=0; i < memb->modes.length(); i++) - ms.append(" ").append(user->nick); - - except_list.insert(user); - this->WriteAllExcept(user, !ServerInstance->Config->CycleHostsFromUser, 0, except_list, "MODE %s +%s", this->name.c_str(), ms.c_str()); - } + ClientProtocol::Events::Join joinevent(memb); + this->Write(joinevent, 0, except_list); FOREACH_MOD(OnPostJoin, (memb)); return memb; @@ -354,6 +309,9 @@ bool Channel::IsBanned(User* user) return (result == MOD_RES_DENY); ListModeBase* banlm = static_cast(*ban); + if (!banlm) + return false; + const ListModeBase::ModeList* bans = banlm->GetList(this); if (bans) { @@ -386,8 +344,8 @@ bool Channel::CheckBan(User* user, const std::string& mask) if (InspIRCd::Match(nickIdent, prefix, NULL)) { std::string suffix(mask, at + 1); - if (InspIRCd::Match(user->host, suffix, NULL) || - InspIRCd::Match(user->dhost, suffix, NULL) || + if (InspIRCd::Match(user->GetRealHost(), suffix, NULL) || + InspIRCd::Match(user->GetDisplayedHost(), suffix, NULL) || InspIRCd::MatchCIDR(user->GetIPString(), suffix, NULL)) return true; } @@ -402,12 +360,18 @@ ModResult Channel::GetExtBanStatus(User *user, char type) return rv; ListModeBase* banlm = static_cast(*ban); + if (!banlm) + return MOD_RES_PASSTHRU; + const ListModeBase::ModeList* bans = banlm->GetList(this); if (bans) { for (ListModeBase::ModeList::const_iterator it = bans->begin(); it != bans->end(); ++it) { - if (CheckBan(user, it->mask)) + if (it->mask.length() <= 2 || it->mask[0] != type || it->mask[1] != ':') + continue; + + if (CheckBan(user, it->mask.substr(2))) return MOD_RES_DENY; } } @@ -418,23 +382,26 @@ ModResult Channel::GetExtBanStatus(User *user, char type) * Remove a channel from a users record, remove the reference to the Membership object * from the channel and destroy it. */ -void Channel::PartUser(User *user, std::string &reason) +bool Channel::PartUser(User* user, std::string& reason) { MemberMap::iterator membiter = userlist.find(user); - if (membiter != userlist.end()) - { - Membership* memb = membiter->second; - CUList except_list; - FOREACH_MOD(OnUserPart, (memb, reason, except_list)); + if (membiter == userlist.end()) + return false; - WriteAllExcept(user, false, 0, except_list, "PART %s%s%s", this->name.c_str(), reason.empty() ? "" : " :", reason.c_str()); + Membership* memb = membiter->second; + CUList except_list; + FOREACH_MOD(OnUserPart, (memb, reason, except_list)); - // Remove this channel from the user's chanlist - user->chans.erase(memb); - // Remove the Membership from this channel's userlist and destroy it - this->DelUser(membiter); - } + ClientProtocol::Messages::Part partmsg(memb, reason); + Write(ServerInstance->GetRFCEvents().part, partmsg, 0, except_list); + + // Remove this channel from the user's chanlist + user->chans.erase(memb); + // Remove the Membership from this channel's userlist and destroy it + this->DelUser(membiter); + + return true; } void Channel::KickUser(User* src, const MemberMap::iterator& victimiter, const std::string& reason) @@ -443,73 +410,14 @@ void Channel::KickUser(User* src, const MemberMap::iterator& victimiter, const s CUList except_list; FOREACH_MOD(OnUserKick, (src, memb, reason, except_list)); - User* victim = memb->user; - WriteAllExcept(src, false, 0, except_list, "KICK %s %s :%s", name.c_str(), victim->nick.c_str(), reason.c_str()); + ClientProtocol::Messages::Kick kickmsg(src, memb, reason); + Write(ServerInstance->GetRFCEvents().kick, kickmsg, 0, except_list); - victim->chans.erase(memb); + memb->user->chans.erase(memb); this->DelUser(victimiter); } -void Channel::WriteChannel(User* user, const char* text, ...) -{ - std::string textbuffer; - VAFORMAT(textbuffer, text, text); - this->WriteChannel(user, textbuffer); -} - -void Channel::WriteChannel(User* user, const std::string &text) -{ - const std::string message = ":" + user->GetFullHost() + " " + text; - - for (MemberMap::iterator i = userlist.begin(); i != userlist.end(); i++) - { - if (IS_LOCAL(i->first)) - i->first->Write(message); - } -} - -void Channel::WriteChannelWithServ(const std::string& ServName, const char* text, ...) -{ - std::string textbuffer; - VAFORMAT(textbuffer, text, text); - this->WriteChannelWithServ(ServName, textbuffer); -} - -void Channel::WriteChannelWithServ(const std::string& ServName, const std::string &text) -{ - const std::string message = ":" + (ServName.empty() ? ServerInstance->Config->ServerName : ServName) + " " + text; - - for (MemberMap::iterator i = userlist.begin(); i != userlist.end(); i++) - { - if (IS_LOCAL(i->first)) - i->first->Write(message); - } -} - -/* write formatted text from a source user to all users on a channel except - * for the sender (for privmsg etc) */ -void Channel::WriteAllExceptSender(User* user, bool serversource, char status, const char* text, ...) -{ - std::string textbuffer; - VAFORMAT(textbuffer, text, text); - this->WriteAllExceptSender(user, serversource, status, textbuffer); -} - -void Channel::WriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const char* text, ...) -{ - std::string textbuffer; - VAFORMAT(textbuffer, text, text); - textbuffer = ":" + (serversource ? ServerInstance->Config->ServerName : user->GetFullHost()) + " " + textbuffer; - this->RawWriteAllExcept(user, serversource, status, except_list, textbuffer); -} - -void Channel::WriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const std::string &text) -{ - const std::string message = ":" + (serversource ? ServerInstance->Config->ServerName : user->GetFullHost()) + " " + text; - this->RawWriteAllExcept(user, serversource, status, except_list, message); -} - -void Channel::RawWriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const std::string &out) +void Channel::Write(ClientProtocol::Event& protoev, char status, const CUList& except_list) { unsigned int minrank = 0; if (status) @@ -520,25 +428,19 @@ void Channel::RawWriteAllExcept(User* user, bool serversource, char status, CULi } for (MemberMap::iterator i = userlist.begin(); i != userlist.end(); i++) { - if (IS_LOCAL(i->first) && (except_list.find(i->first) == except_list.end())) + LocalUser* user = IS_LOCAL(i->first); + if ((user) && (!except_list.count(user))) { /* User doesn't have the status we're after */ if (minrank && i->second->getRank() < minrank) continue; - i->first->Write(out); + user->Send(protoev); } } } -void Channel::WriteAllExceptSender(User* user, bool serversource, char status, const std::string& text) -{ - CUList except_list; - except_list.insert(user); - this->WriteAllExcept(user, serversource, status, except_list, std::string(text)); -} - -const char* Channel::ChanModes(bool showkey) +const char* Channel::ChanModes(bool showsecret) { static std::string scratch; std::string sparam; @@ -557,9 +459,9 @@ const char* Channel::ChanModes(bool showkey) if (!pm) continue; - if (n == 'k' - 65 && !showkey) + if (pm->IsParameterSecret() && !showsecret) { - sparam += " "; + sparam += " <" + pm->name + ">"; } else { @@ -573,6 +475,18 @@ const char* Channel::ChanModes(bool showkey) return scratch.c_str(); } +void Channel::WriteNotice(const std::string& text, char status) +{ + ClientProtocol::Messages::Privmsg privmsg(ClientProtocol::Messages::Privmsg::nocopy, ServerInstance->FakeClient, this, text, MSG_NOTICE, status); + Write(ServerInstance->GetRFCEvents().privmsg, privmsg); +} + +void Channel::WriteRemoteNotice(const std::string& text, char status) +{ + WriteNotice(text, status); + ServerInstance->PI->SendMessage(this, status, text, MSG_NOTICE); +} + /* returns the status character for a given user on a channel, e.g. @ for op, * % for halfop etc. If the user has several modes set, the highest mode * the user has must be returned. @@ -607,20 +521,17 @@ unsigned int Membership::getRank() return rv; } -const char* Membership::GetAllPrefixChars() const +std::string Membership::GetAllPrefixChars() const { - static char prefix[64]; - int ctr = 0; - + std::string ret; for (std::string::const_iterator i = modes.begin(); i != modes.end(); ++i) { PrefixMode* mh = ServerInstance->Modes->FindPrefixMode(*i); if (mh && mh->GetPrefix()) - prefix[ctr++] = mh->GetPrefix(); + ret.push_back(mh->GetPrefix()); } - prefix[ctr] = 0; - return prefix; + return ret; } unsigned int Channel::GetPrefixValue(User* user) @@ -651,67 +562,13 @@ bool Membership::SetPrefix(PrefixMode* delta_mh, bool adding) return adding; } -void Invitation::Create(Channel* c, LocalUser* u, time_t timeout) -{ - if ((timeout != 0) && (ServerInstance->Time() >= timeout)) - // Expired, don't bother - return; - - ServerInstance->Logs->Log("INVITATION", LOG_DEBUG, "Invitation::Create chan=%s user=%s", c->name.c_str(), u->uuid.c_str()); - - Invitation* inv = Invitation::Find(c, u, false); - if (inv) - { - if ((inv->expiry == 0) || (inv->expiry > timeout)) - return; - inv->expiry = timeout; - ServerInstance->Logs->Log("INVITATION", LOG_DEBUG, "Invitation::Create changed expiry in existing invitation %p", (void*) inv); - } - else - { - inv = new Invitation(c, u, timeout); - c->invites.push_front(inv); - u->invites.push_front(inv); - ServerInstance->Logs->Log("INVITATION", LOG_DEBUG, "Invitation::Create created new invitation %p", (void*) inv); - } -} -Invitation* Invitation::Find(Channel* c, LocalUser* u, bool check_expired) +void Membership::WriteNotice(const std::string& text) const { - ServerInstance->Logs->Log("INVITATION", LOG_DEBUG, "Invitation::Find chan=%s user=%s check_expired=%d", c ? c->name.c_str() : "NULL", u ? u->uuid.c_str() : "NULL", check_expired); - - Invitation* result = NULL; - for (InviteList::iterator i = u->invites.begin(); i != u->invites.end(); ) - { - Invitation* inv = *i; - ++i; - - if ((check_expired) && (inv->expiry != 0) && (inv->expiry <= ServerInstance->Time())) - { - /* Expired invite, remove it. */ - std::string expiration = InspIRCd::TimeString(inv->expiry); - ServerInstance->Logs->Log("INVITATION", LOG_DEBUG, "Invitation::Find ecountered expired entry: %p expired %s", (void*) inv, expiration.c_str()); - delete inv; - } - else - { - /* Is it what we're searching for? */ - if (inv->chan == c) - { - result = inv; - break; - } - } - } - - ServerInstance->Logs->Log("INVITATION", LOG_DEBUG, "Invitation::Find result=%p", (void*) result); - return result; -} + LocalUser* const localuser = IS_LOCAL(user); + if (!localuser) + return; -Invitation::~Invitation() -{ - // Remove this entry from both lists - chan->invites.erase(this); - user->invites.erase(this); - ServerInstance->Logs->Log("INVITEBASE", LOG_DEBUG, "Invitation::~ %p", (void*) this); + ClientProtocol::Messages::Privmsg privmsg(ClientProtocol::Messages::Privmsg::nocopy, ServerInstance->FakeClient, this->chan, text, MSG_NOTICE); + localuser->Send(ServerInstance->GetRFCEvents().privmsg, privmsg); }