X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fchannels.cpp;h=9f1eafd0cb1f1e9654a8d3890310a46ac98af26a;hb=68211809ee3111bdc9609fbd46dc3c875fbb5ea6;hp=b53f780e66e452874e0e6d658387e606871b55b3;hpb=95f69d02e9453229867521683824c6b1b7a2acab;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/channels.cpp b/src/channels.cpp index b53f780e6..9f1eafd0c 100644 --- a/src/channels.cpp +++ b/src/channels.cpp @@ -1,30 +1,40 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * 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 * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * 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 + * License as published by the Free Software Foundation, version 2. * - * This program is free but copyrighted software; see - * the file COPYING for details. + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. * - * --------------------------------------------------- + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . */ + /* $Core */ #include "inspircd.h" #include #include "mode.h" -Channel::Channel(InspIRCd* Instance, const std::string &cname, time_t ts) : ServerInstance(Instance) +Channel::Channel(const std::string &cname, time_t ts) { - chan_hash::iterator findchan = ServerInstance->chanlist->find(cname); - if (findchan != Instance->chanlist->end()) + if (!ServerInstance->chanlist->insert(std::make_pair(cname, this)).second) throw CoreException("Cannot create duplicate channel " + cname); - (*(ServerInstance->chanlist))[cname.c_str()] = this; - this->name.assign(cname, 0, ServerInstance->Config->Limits.ChanMax); + this->name = cname; this->age = ts ? ts : ServerInstance->Time(); maxbans = topicset = 0; @@ -36,7 +46,12 @@ void Channel::SetMode(char mode,bool mode_on) modes[mode-65] = mode_on; } -void Channel::SetModeParam(char mode, std::string parameter) +void Channel::SetMode(ModeHandler* mh, bool on) +{ + modes[mh->GetModeChar() - 65] = on; +} + +void Channel::SetModeParam(char mode, const std::string& parameter) { CustomModeList::iterator n = custom_mode_params.find(mode); // always erase, even if changing, so that the map gets the new value @@ -53,6 +68,11 @@ void Channel::SetModeParam(char mode, std::string parameter) } } +void Channel::SetModeParam(ModeHandler* mode, const std::string& parameter) +{ + SetModeParam(mode->GetModeChar(), parameter); +} + std::string Channel::GetModeParameter(char mode) { CustomModeList::iterator n = custom_mode_params.find(mode); @@ -61,156 +81,115 @@ std::string Channel::GetModeParameter(char mode) return ""; } +std::string Channel::GetModeParameter(ModeHandler* mode) +{ + CustomModeList::iterator n = custom_mode_params.find(mode->GetModeChar()); + if (n != custom_mode_params.end()) + return n->second; + return ""; +} + int Channel::SetTopic(User *u, std::string &ntopic, bool forceset) { - if (u && IS_LOCAL(u)) + if (!u) + u = ServerInstance->FakeClient; + if (IS_LOCAL(u) && !forceset) { - if(!forceset) - { - ModResult res; - /* 0: check status, 1: don't, -1: disallow change silently */ - - FIRST_MOD_RESULT(ServerInstance, OnLocalTopicChange, res, (u,this,ntopic)); + ModResult res; + FIRST_MOD_RESULT(OnPreTopicChange, res, (u,this,ntopic)); - if (res == MOD_RES_DENY) + if (res == MOD_RES_DENY) + return CMD_FAILURE; + if (res != MOD_RES_ALLOW) + { + if (!this->HasUser(u)) + { + u->WriteNumeric(442, "%s %s :You're not on that channel!",u->nick.c_str(), this->name.c_str()); return CMD_FAILURE; - if (res != MOD_RES_ALLOW) + } + if (IsModeSet('t') && !ServerInstance->OnCheckExemption(u,this,"topiclock").check(GetPrefixValue(u) >= HALFOP_VALUE)) { - if (!this->HasUser(u)) - { - u->WriteNumeric(442, "%s %s :You're not on that channel!",u->nick.c_str(), this->name.c_str()); - return CMD_FAILURE; - } - if ((this->IsModeSet('t')) && (this->GetStatus(u) < STATUS_HOP)) - { - u->WriteNumeric(482, "%s %s :You must be at least a half-operator to change the topic on this channel", u->nick.c_str(), this->name.c_str()); - return CMD_FAILURE; - } + u->WriteNumeric(482, "%s %s :You do not have access to change the topic on this channel", u->nick.c_str(), this->name.c_str()); + return CMD_FAILURE; } } } this->topic.assign(ntopic, 0, ServerInstance->Config->Limits.MaxTopic); - if (u) - { - 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()); - } - else - { - this->setby.assign(ServerInstance->Config->ServerName); - this->WriteChannelWithServ(ServerInstance->Config->ServerName, "TOPIC %s :%s", this->name.c_str(), this->topic.c_str()); - } + 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(); - if (u && IS_LOCAL(u)) - { - FOREACH_MOD(I_OnPostLocalTopicChange,OnPostLocalTopicChange(u, this, this->topic)); - } + FOREACH_MOD(I_OnPostTopicChange,OnPostTopicChange(u, this, this->topic)); return CMD_SUCCESS; } long Channel::GetUserCounter() { - return (this->internal_userlist.size()); -} - -void Channel::AddUser(User* user) -{ - internal_userlist[user] = user->nick; -} - -unsigned long Channel::DelUser(User* user) -{ - CUListIter a = internal_userlist.find(user); - - if (a != internal_userlist.end()) - { - internal_userlist.erase(a); - /* And tidy any others... */ - DelOppedUser(user); - DelHalfoppedUser(user); - DelVoicedUser(user); - } - - return internal_userlist.size(); + return userlist.size(); } -bool Channel::HasUser(User* user) +Membership* Channel::AddUser(User* user) { - return (internal_userlist.find(user) != internal_userlist.end()); + Membership* memb = new Membership(user, this); + userlist[user] = memb; + return memb; } -void Channel::AddOppedUser(User* user) +void Channel::DelUser(User* user) { - internal_op_userlist[user] = user->nick; -} + UserMembIter a = userlist.find(user); -void Channel::DelOppedUser(User* user) -{ - CUListIter a = internal_op_userlist.find(user); - if (a != internal_op_userlist.end()) + if (a != userlist.end()) { - internal_op_userlist.erase(a); - return; + a->second->cull(); + delete a->second; + userlist.erase(a); } -} - -void Channel::AddHalfoppedUser(User* user) -{ - internal_halfop_userlist[user] = user->nick; -} -void Channel::DelHalfoppedUser(User* user) -{ - CUListIter a = internal_halfop_userlist.find(user); - - if (a != internal_halfop_userlist.end()) + if (userlist.empty()) { - internal_halfop_userlist.erase(a); - } -} - -void Channel::AddVoicedUser(User* user) -{ - internal_voice_userlist[user] = user->nick; -} - -void Channel::DelVoicedUser(User* user) -{ - CUListIter a = internal_voice_userlist.find(user); + ModResult res; + FIRST_MOD_RESULT(OnChannelPreDelete, res, (this)); + if (res == MOD_RES_DENY) + return; + chan_hash::iterator iter = ServerInstance->chanlist->find(this->name); + /* kill the record */ + if (iter != ServerInstance->chanlist->end()) + { + FOREACH_MOD(I_OnChannelDelete, OnChannelDelete(this)); + ServerInstance->chanlist->erase(iter); + } - if (a != internal_voice_userlist.end()) - { - internal_voice_userlist.erase(a); + ClearInvites(); + ServerInstance->GlobalCulls.AddItem(this); } } -CUList* Channel::GetUsers() -{ - return &internal_userlist; -} - -CUList* Channel::GetOppedUsers() +bool Channel::HasUser(User* user) { - return &internal_op_userlist; + return (userlist.find(user) != userlist.end()); } -CUList* Channel::GetHalfoppedUsers() +Membership* Channel::GetUser(User* user) { - return &internal_halfop_userlist; + UserMembIter i = userlist.find(user); + if (i == userlist.end()) + return NULL; + return i->second; } -CUList* Channel::GetVoicedUsers() +const UserMembList* Channel::GetUsers() { - return &internal_voice_userlist; + return &userlist; } void Channel::SetDefaultModes() { - ServerInstance->Logs->Log("CHANNELS", DEBUG, "SetDefaultModes %s", ServerInstance->Config->DefaultModes); + ServerInstance->Logs->Log("CHANNELS", DEBUG, "SetDefaultModes %s", + ServerInstance->Config->DefaultModes.c_str()); irc::spacesepstream list(ServerInstance->Config->DefaultModes); std::string modeseq; std::string parameter; @@ -223,10 +202,18 @@ void Channel::SetDefaultModes() if (mode) { if (mode->GetNumParams(true)) + { list.GetToken(parameter); + // If the parameter begins with a ':' then it's invalid + if (parameter.c_str()[0] == ':') + continue; + } else parameter.clear(); + if ((mode->GetNumParams(true)) && (parameter.empty())) + continue; + mode->OnModeChange(ServerInstance->FakeClient, ServerInstance->FakeClient, this, parameter, true); } } @@ -236,13 +223,12 @@ void Channel::SetDefaultModes() * add a channel to a user, creating the record for it if needed and linking * it to the user record */ -Channel* Channel::JoinUser(InspIRCd* Instance, User *user, const char* cn, bool override, const char* key, bool bursting, time_t TS) +Channel* Channel::JoinUser(User *user, const char* cn, bool override, const char* key, bool bursting, time_t TS) { // Fix: unregistered users could be joined using /SAJOIN if (!user || !cn || user->registered != REG_ALL) return NULL; - char cname[MAXBUF]; std::string privs; Channel *Ptr; @@ -254,30 +240,30 @@ Channel* Channel::JoinUser(InspIRCd* Instance, User *user, const char* cn, bool */ if (IS_LOCAL(user) && !override) { - // Checking MyClass exists because we *may* get here with NULL, not 100% sure. - if (user->MyClass && user->MyClass->maxchans) + if (user->HasPrivPermission("channels/high-join-limit")) { - if (user->HasPrivPermission("channels/high-join-limit")) + if (user->chans.size() >= ServerInstance->Config->OperMaxChans) { - if (user->chans.size() >= Instance->Config->OperMaxChans) - { - user->WriteNumeric(ERR_TOOMANYCHANNELS, "%s %s :You are on too many channels",user->nick.c_str(), cn); - return NULL; - } + user->WriteNumeric(ERR_TOOMANYCHANNELS, "%s %s :You are on too many channels",user->nick.c_str(), cn); + return NULL; } - else + } + else + { + unsigned int maxchans = user->GetClass()->maxchans; + if (!maxchans) + maxchans = ServerInstance->Config->MaxChans; + if (user->chans.size() >= maxchans) { - if (user->chans.size() >= user->MyClass->maxchans) - { - user->WriteNumeric(ERR_TOOMANYCHANNELS, "%s %s :You are on too many channels",user->nick.c_str(), cn); - return NULL; - } + user->WriteNumeric(ERR_TOOMANYCHANNELS, "%s %s :You are on too many channels",user->nick.c_str(), cn); + return NULL; } } } - strlcpy(cname, cn, Instance->Config->Limits.ChanMax); - Ptr = Instance->FindChan(cname); + std::string cname; + cname.assign(std::string(cn), 0, ServerInstance->Config->Limits.ChanMax); + Ptr = ServerInstance->FindChan(cname); bool created_by_local = false; if (!Ptr) @@ -288,23 +274,23 @@ Channel* Channel::JoinUser(InspIRCd* Instance, User *user, const char* cn, bool if (!IS_LOCAL(user)) { if (!TS) - Instance->Logs->Log("CHANNEL",DEBUG,"*** BUG *** Channel::JoinUser called for REMOTE user '%s' on channel '%s' but no TS given!", user->nick.c_str(), cn); + ServerInstance->Logs->Log("CHANNELS",DEBUG,"*** BUG *** Channel::JoinUser called for REMOTE user '%s' on channel '%s' but no TS given!", user->nick.c_str(), cn); } else { - privs = "@"; + privs = "o"; created_by_local = true; } if (IS_LOCAL(user) && override == false) { ModResult MOD_RESULT; - FIRST_MOD_RESULT(Instance, OnUserPreJoin, MOD_RESULT, (user, NULL, cname, privs, key ? key : "")); + FIRST_MOD_RESULT(OnUserPreJoin, MOD_RESULT, (user, NULL, cname.c_str(), privs, key ? key : "")); if (MOD_RESULT == MOD_RES_DENY) return NULL; } - Ptr = new Channel(Instance, cname, TS); + Ptr = new Channel(cname, TS); } else { @@ -319,7 +305,7 @@ Channel* Channel::JoinUser(InspIRCd* Instance, User *user, const char* cn, bool if (IS_LOCAL(user) && override == false) { ModResult MOD_RESULT; - FIRST_MOD_RESULT(Instance, OnUserPreJoin, MOD_RESULT, (user, Ptr, cname, privs, key ? key : "")); + FIRST_MOD_RESULT(OnUserPreJoin, MOD_RESULT, (user, Ptr, cname.c_str(), privs, key ? key : "")); if (MOD_RESULT == MOD_RES_DENY) { return NULL; @@ -327,12 +313,12 @@ Channel* Channel::JoinUser(InspIRCd* Instance, User *user, const char* cn, bool else if (MOD_RESULT == MOD_RES_PASSTHRU) { std::string ckey = Ptr->GetModeParameter('k'); - bool invited = user->IsInvited(Ptr->name.c_str()); - bool can_bypass = Instance->Config->InvBypassModes && invited; + bool invited = IS_LOCAL(user)->IsInvited(Ptr->name.c_str()); + bool can_bypass = ServerInstance->Config->InvBypassModes && invited; if (!ckey.empty()) { - FIRST_MOD_RESULT(Instance, OnCheckKey, MOD_RESULT, (user, Ptr, key ? key : "")); + FIRST_MOD_RESULT(OnCheckKey, MOD_RESULT, (user, Ptr, key ? key : "")); if (!MOD_RESULT.check((key && 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) @@ -343,7 +329,7 @@ Channel* Channel::JoinUser(InspIRCd* Instance, User *user, const char* cn, bool if (Ptr->IsModeSet('i')) { - FIRST_MOD_RESULT(Instance, OnCheckInvite, MOD_RESULT, (user, Ptr)); + FIRST_MOD_RESULT(OnCheckInvite, MOD_RESULT, (user, Ptr)); if (!MOD_RESULT.check(invited)) { user->WriteNumeric(ERR_INVITEONLYCHAN, "%s %s :Cannot join channel (Invite only)",user->nick.c_str(), Ptr->name.c_str()); @@ -354,7 +340,7 @@ Channel* Channel::JoinUser(InspIRCd* Instance, User *user, const char* cn, bool std::string limit = Ptr->GetModeParameter('l'); if (!limit.empty()) { - FIRST_MOD_RESULT(Instance, OnCheckLimit, MOD_RESULT, (user, Ptr)); + FIRST_MOD_RESULT(OnCheckLimit, MOD_RESULT, (user, Ptr)); if (!MOD_RESULT.check((Ptr->GetUserCounter() < atol(limit.c_str()) || can_bypass))) { user->WriteNumeric(ERR_CHANNELISFULL, "%s %s :Cannot join channel (Channel is full)",user->nick.c_str(), Ptr->name.c_str()); @@ -374,7 +360,7 @@ Channel* Channel::JoinUser(InspIRCd* Instance, User *user, const char* cn, bool */ if (invited) { - user->RemoveInvite(Ptr->name.c_str()); + IS_LOCAL(user)->RemoveInvite(Ptr->name.c_str()); } } } @@ -386,60 +372,44 @@ Channel* Channel::JoinUser(InspIRCd* Instance, User *user, const char* cn, bool Ptr->SetDefaultModes(); } - return Channel::ForceChan(Instance, Ptr, user, privs, bursting, created_by_local); + return Channel::ForceChan(Ptr, user, privs, bursting, created_by_local); } -Channel* Channel::ForceChan(InspIRCd* Instance, Channel* Ptr, User* user, const std::string &privs, bool bursting, bool created) +Channel* Channel::ForceChan(Channel* Ptr, User* user, const std::string &privs, bool bursting, bool created) { std::string nick = user->nick; - bool silent = false; - - Ptr->AddUser(user); - /* Just in case they have no permissions */ - user->chans[Ptr] = 0; + Membership* memb = Ptr->AddUser(user); + user->chans.insert(Ptr); for (std::string::const_iterator x = privs.begin(); x != privs.end(); x++) { const char status = *x; - ModeHandler* mh = Instance->Modes->FindPrefix(status); + ModeHandler* mh = ServerInstance->Modes->FindMode(status, MODETYPE_CHANNEL); if (mh) { /* Set, and make sure that the mode handler knows this mode was now set */ - Ptr->SetPrefix(user, status, mh->GetPrefixRank(), true); - mh->OnModeChange(Instance->FakeClient, Instance->FakeClient, Ptr, nick, true); - - switch (mh->GetPrefix()) - { - /* These logic ops are SAFE IN THIS CASE because if the entry doesnt exist, - * addressing operator[] creates it. If they do exist, it points to it. - * At all other times where we dont want to create an item if it doesnt exist, we - * must stick to ::find(). - */ - case '@': - user->chans[Ptr] |= UCMODE_OP; - break; - case '%': - user->chans[Ptr] |= UCMODE_HOP; - break; - case '+': - user->chans[Ptr] |= UCMODE_VOICE; - break; - } + Ptr->SetPrefix(user, mh->GetModeChar(), true); + mh->OnModeChange(ServerInstance->FakeClient, ServerInstance->FakeClient, Ptr, nick, true); } } - FOREACH_MOD_I(Instance,I_OnUserJoin,OnUserJoin(user, Ptr, bursting, silent, created)); + CUList except_list; + FOREACH_MOD(I_OnUserJoin,OnUserJoin(memb, bursting, created, except_list)); - if (!silent) - Ptr->WriteChannel(user,"JOIN :%s",Ptr->name.c_str()); + Ptr->WriteAllExcept(user, false, 0, except_list, "JOIN :%s", Ptr->name.c_str()); /* Theyre not the first ones in here, make sure everyone else sees the modes we gave the user */ - std::string ms = Instance->Modes->ModeString(user, Ptr); - if ((Ptr->GetUserCounter() > 1) && (ms.length())) - Ptr->WriteAllExceptSender(user, true, 0, "MODE %s +%s", Ptr->name.c_str(), ms.c_str()); + if ((Ptr->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); + Ptr->WriteAllExcept(user, !ServerInstance->Config->CycleHostsFromUser, 0, except_list, "MODE %s +%s", Ptr->name.c_str(), ms.c_str()); + } - /* Major improvement by Brain - we dont need to be calculating all this pointlessly for remote users */ if (IS_LOCAL(user)) { if (Ptr->topicset) @@ -449,211 +419,158 @@ Channel* Channel::ForceChan(InspIRCd* Instance, Channel* Ptr, User* user, const } Ptr->UserList(user); } - FOREACH_MOD_I(Instance,I_OnPostJoin,OnPostJoin(user, Ptr)); + FOREACH_MOD(I_OnPostJoin,OnPostJoin(memb)); return Ptr; } bool Channel::IsBanned(User* user) { ModResult result; - DO_EACH_HOOK(ServerInstance, OnCheckBan, ModResult modresult, (user, this)) - { - result = result + modresult; - } - WHILE_EACH_HOOK(ServerInstance, OnCheckBan); + FIRST_MOD_RESULT(OnCheckChannelBan, result, (user, this)); if (result != MOD_RES_PASSTHRU) return (result == MOD_RES_DENY); - char mask[MAXBUF]; - snprintf(mask, MAXBUF, "%s!%s@%s", user->nick.c_str(), user->ident.c_str(), user->GetIPString()); for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++) { - if ((InspIRCd::Match(user->GetFullHost(),i->data, NULL)) || // host - (InspIRCd::Match(user->GetFullRealHost(),i->data, NULL)) || // uncloaked host - (InspIRCd::MatchCIDR(mask, i->data, NULL))) // ip - { + if (CheckBan(user, i->data)) return true; - } } return false; } -ModResult Channel::GetExtBanStatus(const std::string &str, char type) +bool Channel::CheckBan(User* user, const std::string& mask) { ModResult result; - DO_EACH_HOOK(ServerInstance, OnCheckStringExtBan, ModResult modresult, (str, this, type)) - { - result = result + modresult; - } - WHILE_EACH_HOOK(ServerInstance, OnCheckStringExtBan); - + FIRST_MOD_RESULT(OnCheckBan, result, (user, this, mask)); if (result != MOD_RES_PASSTHRU) - return result; + return (result == MOD_RES_DENY); - // nobody decided for us, check the ban list - for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++) - { - if (i->data[0] != type || i->data[1] != ':') - continue; + // extbans were handled above, if this is one it obviously didn't match + if ((mask.length() <= 2) || (mask[1] == ':')) + return false; - std::string maskptr = i->data.substr(2); - ServerInstance->Logs->Log("EXTBANS", DEBUG, "Checking %s against %s, type is %c", str.c_str(), maskptr.c_str(), type); + std::string::size_type at = mask.find('@'); + if (at == std::string::npos) + return false; - if (InspIRCd::Match(str, maskptr, NULL)) - return MOD_RES_DENY; + char tomatch[MAXBUF]; + snprintf(tomatch, MAXBUF, "%s!%s", user->nick.c_str(), user->ident.c_str()); + std::string prefix = mask.substr(0, at); + if (InspIRCd::Match(tomatch, prefix, NULL)) + { + std::string suffix = mask.substr(at + 1); + if (InspIRCd::Match(user->host, suffix, NULL) || + InspIRCd::Match(user->dhost, suffix, NULL) || + InspIRCd::MatchCIDR(user->GetIPString(), suffix, NULL)) + return true; } - - return MOD_RES_PASSTHRU; + return false; } ModResult Channel::GetExtBanStatus(User *user, char type) { ModResult rv; - DO_EACH_HOOK(ServerInstance, OnCheckExtBan, ModResult modresult, (user, this, type)) - { - rv = rv + modresult; - } - WHILE_EACH_HOOK(ServerInstance, OnCheckExtBan); - + FIRST_MOD_RESULT(OnExtBanCheck, rv, (user, this, type)); if (rv != MOD_RES_PASSTHRU) return rv; - - char mask[MAXBUF]; - snprintf(mask, MAXBUF, "%s!%s@%s", user->nick.c_str(), user->ident.c_str(), user->GetIPString()); - - rv = rv + this->GetExtBanStatus(mask, type); - rv = rv + this->GetExtBanStatus(user->GetFullHost(), type); - rv = rv + this->GetExtBanStatus(user->GetFullRealHost(), type); - return rv; + for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++) + { + if (i->data[0] == type && i->data[1] == ':') + { + std::string val = i->data.substr(2); + if (CheckBan(user, val)) + return MOD_RES_DENY; + } + } + return MOD_RES_PASSTHRU; } /* Channel::PartUser * remove a channel from a users record, and return the number of users left. * Therefore, if this function returns 0 the caller should delete the Channel. */ -long Channel::PartUser(User *user, std::string &reason) +void Channel::PartUser(User *user, std::string &reason) { - bool silent = false; - if (!user) - return this->GetUserCounter(); + return; + + Membership* memb = GetUser(user); - UCListIter i = user->chans.find(this); - if (i != user->chans.end()) + if (memb) { - FOREACH_MOD(I_OnUserPart,OnUserPart(user, this, reason, silent)); + CUList except_list; + FOREACH_MOD(I_OnUserPart,OnUserPart(memb, reason, except_list)); - if (!silent) - this->WriteChannel(user, "PART %s%s%s", this->name.c_str(), reason.empty() ? "" : " :", reason.c_str()); + WriteAllExcept(user, false, 0, except_list, "PART %s%s%s", this->name.c_str(), reason.empty() ? "" : " :", reason.c_str()); - user->chans.erase(i); + user->chans.erase(this); this->RemoveAllPrefixes(user); } - if (!this->DelUser(user)) /* if there are no users left on the channel... */ - { - chan_hash::iterator iter = ServerInstance->chanlist->find(this->name); - /* kill the record */ - if (iter != ServerInstance->chanlist->end()) - { - ModResult res; - FIRST_MOD_RESULT(ServerInstance, OnChannelPreDelete, res, (this)); - if (res == MOD_RES_DENY) - return 1; // delete halted by module - FOREACH_MOD(I_OnChannelDelete, OnChannelDelete(this)); - ServerInstance->chanlist->erase(iter); - } - return 0; - } - - return this->GetUserCounter(); -} - -long Channel::ServerKickUser(User* user, const char* reason, const char* servername) -{ - if (servername == NULL || *ServerInstance->Config->HideWhoisServer) - servername = ServerInstance->Config->ServerName; - - ServerInstance->FakeClient->server = servername; - return this->KickUser(ServerInstance->FakeClient, user, reason); + this->DelUser(user); } -long Channel::KickUser(User *src, User *user, const char* reason) +void Channel::KickUser(User *src, User *user, const char* reason) { - bool silent = false; - if (!src || !user || !reason) - return this->GetUserCounter(); + return; + Membership* memb = GetUser(user); if (IS_LOCAL(src)) { - if (!this->HasUser(user)) + if (!memb) { src->WriteNumeric(ERR_USERNOTINCHANNEL, "%s %s %s :They are not on that channel",src->nick.c_str(), user->nick.c_str(), this->name.c_str()); - return this->GetUserCounter(); + return; } if ((ServerInstance->ULine(user->server)) && (!ServerInstance->ULine(src->server))) { src->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :Only a u-line may kick a u-line from a channel.",src->nick.c_str(), this->name.c_str()); - return this->GetUserCounter(); + return; } ModResult res; if (ServerInstance->ULine(src->server)) res = MOD_RES_ALLOW; - if (res == MOD_RES_PASSTHRU) - FIRST_MOD_RESULT(ServerInstance, OnUserPreKick, res, (src,user,this,reason)); - if (res == MOD_RES_PASSTHRU) - FIRST_MOD_RESULT(ServerInstance, OnAccessCheck, res, (src,user,this,AC_KICK)); + else + FIRST_MOD_RESULT(OnUserPreKick, res, (src,memb,reason)); if (res == MOD_RES_DENY) - return this->GetUserCounter(); + return; if (res == MOD_RES_PASSTHRU) { - int them = this->GetStatus(src); - int us = this->GetStatus(user); - if ((them < STATUS_HOP) || (them < us)) + unsigned int them = this->GetPrefixValue(src); + unsigned int req = HALFOP_VALUE; + for (std::string::size_type i = 0; i < memb->modes.length(); i++) + { + ModeHandler* mh = ServerInstance->Modes->FindMode(memb->modes[i], MODETYPE_CHANNEL); + if (mh && mh->GetLevelRequired() > req) + req = mh->GetLevelRequired(); + } + + if (them < req) { - src->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must be a channel %soperator",src->nick.c_str(), this->name.c_str(), them == STATUS_HOP ? "" : "half-"); - return this->GetUserCounter(); + src->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must be a channel %soperator", + src->nick.c_str(), this->name.c_str(), req > HALFOP_VALUE ? "" : "half-"); + return; } } } - FOREACH_MOD(I_OnUserKick,OnUserKick(src, user, this, reason, silent)); - - UCListIter i = user->chans.find(this); - if (i != user->chans.end()) + if (memb) { - /* zap it from the channel list of the user */ - if (!silent) - this->WriteChannel(src, "KICK %s %s :%s", this->name.c_str(), user->nick.c_str(), reason); - - user->chans.erase(i); - this->RemoveAllPrefixes(user); - } + CUList except_list; + FOREACH_MOD(I_OnUserKick,OnUserKick(src, memb, reason, except_list)); - if (!this->DelUser(user)) - /* if there are no users left on the channel */ - { - chan_hash::iterator iter = ServerInstance->chanlist->find(this->name.c_str()); + WriteAllExcept(src, false, 0, except_list, "KICK %s %s :%s", name.c_str(), user->nick.c_str(), reason); - /* kill the record */ - if (iter != ServerInstance->chanlist->end()) - { - ModResult res; - FIRST_MOD_RESULT(ServerInstance, OnChannelPreDelete, res, (this)); - if (res == MOD_RES_DENY) - return 1; // delete halted by module - FOREACH_MOD(I_OnChannelDelete, OnChannelDelete(this)); - ServerInstance->chanlist->erase(iter); - } - return 0; + user->chans.erase(this); + this->RemoveAllPrefixes(user); } - return this->GetUserCounter(); + this->DelUser(user); } void Channel::WriteChannel(User* user, const char* text, ...) @@ -673,7 +590,6 @@ void Channel::WriteChannel(User* user, const char* text, ...) void Channel::WriteChannel(User* user, const std::string &text) { - CUList *ulist = this->GetUsers(); char tb[MAXBUF]; if (!user) @@ -682,14 +598,14 @@ void Channel::WriteChannel(User* user, const std::string &text) snprintf(tb,MAXBUF,":%s %s", user->GetFullHost().c_str(), text.c_str()); std::string out = tb; - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + for (UserMembIter i = userlist.begin(); i != userlist.end(); i++) { if (IS_LOCAL(i->first)) i->first->Write(out); } } -void Channel::WriteChannelWithServ(const char* ServName, const char* text, ...) +void Channel::WriteChannelWithServ(const std::string& ServName, const char* text, ...) { char textbuffer[MAXBUF]; va_list argsPtr; @@ -704,15 +620,14 @@ void Channel::WriteChannelWithServ(const char* ServName, const char* text, ...) this->WriteChannelWithServ(ServName, std::string(textbuffer)); } -void Channel::WriteChannelWithServ(const char* ServName, const std::string &text) +void Channel::WriteChannelWithServ(const std::string& ServName, const std::string &text) { - CUList *ulist = this->GetUsers(); char tb[MAXBUF]; - snprintf(tb,MAXBUF,":%s %s", ServName ? ServName : ServerInstance->Config->ServerName, text.c_str()); + snprintf(tb,MAXBUF,":%s %s", ServName.empty() ? ServerInstance->Config->ServerName.c_str() : ServName.c_str(), text.c_str()); std::string out = tb; - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + for (UserMembIter i = userlist.begin(); i != userlist.end(); i++) { if (IS_LOCAL(i->first)) i->first->Write(out); @@ -744,7 +659,7 @@ void Channel::WriteAllExcept(User* user, bool serversource, char status, CUList if (!text) return; - int offset = snprintf(textbuffer,MAXBUF,":%s ", user->GetFullHost().c_str()); + int offset = snprintf(textbuffer,MAXBUF,":%s ", serversource ? ServerInstance->Config->ServerName.c_str() : user->GetFullHost().c_str()); va_start(argsPtr, text); vsnprintf(textbuffer + offset, MAXBUF - offset, text, argsPtr); @@ -757,21 +672,26 @@ void Channel::WriteAllExcept(User* user, bool serversource, char status, CUList { char tb[MAXBUF]; - snprintf(tb,MAXBUF,":%s %s", serversource ? ServerInstance->Config->ServerName : user->GetFullHost().c_str(), text.c_str()); - std::string out = tb; + snprintf(tb,MAXBUF,":%s %s", serversource ? ServerInstance->Config->ServerName.c_str() : user->GetFullHost().c_str(), text.c_str()); this->RawWriteAllExcept(user, serversource, status, except_list, std::string(tb)); } void Channel::RawWriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const std::string &out) { - CUList *ulist = this->GetUsers(); - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + unsigned int minrank = 0; + if (status) { - if ((IS_LOCAL(i->first)) && (except_list.find(i->first) == except_list.end())) + ModeHandler* mh = ServerInstance->Modes->FindPrefix(status); + if (mh) + minrank = mh->GetPrefixRank(); + } + for (UserMembIter i = userlist.begin(); i != userlist.end(); i++) + { + if (IS_LOCAL(i->first) && (except_list.find(i->first) == except_list.end())) { - /* User doesnt have the status we're after */ - if (status && !strchr(this->GetAllPrefixChars(i->first), status)) + /* User doesn't have the status we're after */ + if (minrank && i->second->getRank() < minrank) continue; i->first->Write(out); @@ -782,7 +702,7 @@ void Channel::RawWriteAllExcept(User* user, bool serversource, char status, CULi void Channel::WriteAllExceptSender(User* user, bool serversource, char status, const std::string& text) { CUList except_list; - except_list[user] = user->nick; + except_list.insert(user); this->WriteAllExcept(user, serversource, status, except_list, std::string(text)); } @@ -793,10 +713,9 @@ void Channel::WriteAllExceptSender(User* user, bool serversource, char status, c int Channel::CountInvisible() { int count = 0; - CUList *ulist= this->GetUsers(); - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + for (UserMembIter i = userlist.begin(); i != userlist.end(); i++) { - if (!(i->first->IsModeSet('i'))) + if (!i->first->quitting && !i->first->IsModeSet('i')) count++; } @@ -820,30 +739,13 @@ char* Channel::ChanModes(bool showkey) { *offset++ = n + 65; extparam.clear(); - switch (n) + if (n == 'k' - 65 && !showkey) { - case CM_KEY: - // Unfortunately this must be special-cased, as we definitely don't want to always display key. - if (showkey) - { - extparam = this->GetModeParameter('k'); - } - else - { - extparam = ""; - } - break; - case CM_NOEXTERNAL: - case CM_TOPICLOCK: - case CM_INVITEONLY: - case CM_MODERATED: - case CM_SECRET: - case CM_PRIVATE: - /* We know these have no parameters */ - break; - default: - extparam = this->GetModeParameter(n + 65); - break; + extparam = ""; + } + else + { + extparam = this->GetModeParameter(n + 65); } if (!extparam.empty()) { @@ -862,42 +764,41 @@ char* Channel::ChanModes(bool showkey) /* compile a userlist of a channel into a string, each nick seperated by * spaces and op, voice etc status shown as @ and +, and send it to 'user' */ -void Channel::UserList(User *user, CUList *ulist) +void Channel::UserList(User *user) { - char list[MAXBUF]; - size_t dlen, curlen; - ModResult call_modules; - if (!IS_LOCAL(user)) return; - FIRST_MOD_RESULT(ServerInstance, OnUserList, call_modules, (user, this, ulist)); + bool has_privs = user->HasPrivPermission("channels/auspex"); - if (call_modules != MOD_RES_ALLOW) + if (this->IsModeSet('s') && !this->HasUser(user) && !has_privs) { - if ((this->IsModeSet('s')) && (!this->HasUser(user))) - { - user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), this->name.c_str()); - return; - } + user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), this->name.c_str()); + return; } - dlen = curlen = snprintf(list,MAXBUF,"%s %c %s :", user->nick.c_str(), this->IsModeSet('s') ? '@' : this->IsModeSet('p') ? '*' : '=', this->name.c_str()); - - int numusers = 0; - char* ptr = list + dlen; + std::string list = user->nick; + list.push_back(' '); + list.push_back(this->IsModeSet('s') ? '@' : this->IsModeSet('p') ? '*' : '='); + list.push_back(' '); + list.append(this->name).append(" :"); + std::string::size_type pos = list.size(); - if (!ulist) - ulist = this->GetUsers(); + bool has_one = false; /* Improvement by Brain - this doesnt change in value, so why was it inside * the loop? */ bool has_user = this->HasUser(user); - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + const size_t maxlen = MAXBUF - 10 - ServerInstance->Config->ServerName.size(); + std::string prefixlist; + std::string nick; + for (UserMembIter i = userlist.begin(); i != userlist.end(); ++i) { - if ((!has_user) && (i->first->IsModeSet('i'))) + if (i->first->quitting) + continue; + if ((!has_user) && (i->first->IsModeSet('i')) && (!has_privs)) { /* * user is +i, and source not on the channel, does not show @@ -906,45 +807,34 @@ void Channel::UserList(User *user, CUList *ulist) continue; } - std::string prefixlist = this->GetPrefixChar(i->first); - std::string nick = i->first->nick; - - if (call_modules != MOD_RES_DENY) - { - FOREACH_MOD(I_OnNamesListItem, OnNamesListItem(user, i->first, this, prefixlist, nick)); + prefixlist = this->GetPrefixChar(i->first); + nick = i->first->nick; - /* Nick was nuked, a module wants us to skip it */ - if (nick.empty()) - continue; - } + FOREACH_MOD(I_OnNamesListItem, OnNamesListItem(user, i->second, prefixlist, nick)); - size_t ptrlen = 0; + /* Nick was nuked, a module wants us to skip it */ + if (nick.empty()) + continue; - if (curlen + prefixlist.length() + nick.length() + 1 > 480) + if (list.size() + prefixlist.length() + nick.length() + 1 > maxlen) { /* list overflowed into multiple numerics */ - user->WriteNumeric(RPL_NAMREPLY, std::string(list)); + user->WriteNumeric(RPL_NAMREPLY, list); - /* reset our lengths */ - dlen = curlen = snprintf(list,MAXBUF,"%s %c %s :", user->nick.c_str(), this->IsModeSet('s') ? '@' : this->IsModeSet('p') ? '*' : '=', this->name.c_str()); - ptr = list + dlen; - - ptrlen = 0; - numusers = 0; + // Erase all nicks, keep the constant part + list.erase(pos); + has_one = false; } - ptrlen = snprintf(ptr, MAXBUF, "%s%s ", prefixlist.c_str(), nick.c_str()); - - curlen += ptrlen; - ptr += ptrlen; + list.append(prefixlist).append(nick).push_back(' '); - numusers++; + has_one = true; } /* if whats left in the list isnt empty, send it */ - if (numusers) + if (has_one) { - user->WriteNumeric(RPL_NAMREPLY, std::string(list)); + user->WriteNumeric(RPL_NAMREPLY, list); } user->WriteNumeric(RPL_ENDOFNAMES, "%s %s :End of /NAMES list.", user->nick.c_str(), this->name.c_str()); @@ -983,42 +873,55 @@ void Channel::ResetMaxBans() const char* Channel::GetPrefixChar(User *user) { static char pf[2] = {0, 0}; + *pf = 0; + unsigned int bestrank = 0; - prefixlist::iterator n = prefixes.find(user); - if (n != prefixes.end()) + UserMembIter m = userlist.find(user); + if (m != userlist.end()) { - if (n->second.size()) + for(unsigned int i=0; i < m->second->modes.length(); i++) { - /* If the user has any prefixes, their highest prefix - * will always be at the head of the list, as the list is - * sorted in rank order highest first (see SetPrefix() - * for reasons why) - */ - *pf = n->second.begin()->first; - return pf; + char mchar = m->second->modes[i]; + ModeHandler* mh = ServerInstance->Modes->FindMode(mchar, MODETYPE_CHANNEL); + if (mh && mh->GetPrefixRank() > bestrank && mh->GetPrefix()) + { + bestrank = mh->GetPrefixRank(); + pf[0] = mh->GetPrefix(); + } } } - - *pf = 0; return pf; } +unsigned int Membership::getRank() +{ + char mchar = modes.c_str()[0]; + unsigned int rv = 0; + if (mchar) + { + ModeHandler* mh = ServerInstance->Modes->FindMode(mchar, MODETYPE_CHANNEL); + if (mh) + rv = mh->GetPrefixRank(); + } + return rv; +} const char* Channel::GetAllPrefixChars(User* user) { - static char prefix[MAXBUF]; + static char prefix[64]; int ctr = 0; - *prefix = 0; - prefixlist::iterator n = prefixes.find(user); - if (n != prefixes.end()) + UserMembIter m = userlist.find(user); + if (m != userlist.end()) { - for (std::vector::iterator x = n->second.begin(); x != n->second.end(); x++) + for(unsigned int i=0; i < m->second->modes.length(); i++) { - prefix[ctr++] = x->first; + char mchar = m->second->modes[i]; + ModeHandler* mh = ServerInstance->Modes->FindMode(mchar, MODETYPE_CHANNEL); + if (mh && mh->GetPrefix()) + prefix[ctr++] = mh->GetPrefix(); } } - prefix[ctr] = 0; return prefix; @@ -1026,92 +929,130 @@ const char* Channel::GetAllPrefixChars(User* user) unsigned int Channel::GetPrefixValue(User* user) { - prefixlist::iterator n = prefixes.find(user); - if (n != prefixes.end()) + UserMembIter m = userlist.find(user); + if (m == userlist.end()) + return 0; + return m->second->getRank(); +} + +bool Channel::SetPrefix(User* user, char prefix, bool adding) +{ + ModeHandler* delta_mh = ServerInstance->Modes->FindMode(prefix, MODETYPE_CHANNEL); + if (!delta_mh) + return false; + UserMembIter m = userlist.find(user); + if (m == userlist.end()) + return false; + for(unsigned int i=0; i < m->second->modes.length(); i++) { - if (n->second.size()) - return n->second.begin()->second; + char mchar = m->second->modes[i]; + ModeHandler* mh = ServerInstance->Modes->FindMode(mchar, MODETYPE_CHANNEL); + if (mh && mh->GetPrefixRank() <= delta_mh->GetPrefixRank()) + { + m->second->modes = + m->second->modes.substr(0,i) + + (adding ? std::string(1, prefix) : "") + + m->second->modes.substr(mchar == prefix ? i+1 : i); + return adding != (mchar == prefix); + } } - return 0; + if (adding) + m->second->modes += std::string(1, prefix); + return adding; } -int Channel::GetStatusFlags(User *user) +void Channel::RemoveAllPrefixes(User* user) { - UCListIter i = user->chans.find(this); - if (i != user->chans.end()) + UserMembIter m = userlist.find(user); + if (m != userlist.end()) { - return i->second; + m->second->modes.clear(); } - return 0; } -int Channel::GetStatus(User *user) +void Invitation::Create(Channel* c, LocalUser* u, time_t timeout) { - if (ServerInstance->ULine(user->server)) - return STATUS_OP; + if ((timeout != 0) && (ServerInstance->Time() >= timeout)) + // Expired, don't bother + return; - UCListIter i = user->chans.find(this); - if (i != user->chans.end()) + ServerInstance->Logs->Log("INVITATION", 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 ((i->second & UCMODE_OP) > 0) - { - return STATUS_OP; - } - if ((i->second & UCMODE_HOP) > 0) - { - return STATUS_HOP; - } - if ((i->second & UCMODE_VOICE) > 0) - { - return STATUS_VOICE; - } - return STATUS_NORMAL; + if ((inv->expiry == 0) || (inv->expiry > timeout)) + return; + inv->expiry = timeout; + ServerInstance->Logs->Log("INVITATION", DEBUG, "Invitation::Create changed expiry in existing invitation %p", (void*) inv); + } + else + { + inv = new Invitation(c, u, timeout); + c->invites.push_back(inv); + u->invites.push_back(inv); + ServerInstance->Logs->Log("INVITATION", DEBUG, "Invitation::Create created new invitation %p", (void*) inv); } - return STATUS_NORMAL; } -void Channel::SetPrefix(User* user, char prefix, unsigned int prefix_value, bool adding) +Invitation* Invitation::Find(Channel* c, LocalUser* u, bool check_expired) { - prefixlist::iterator n = prefixes.find(user); - prefixtype pfx = std::make_pair(prefix,prefix_value); - if (adding) + ServerInstance->Logs->Log("INVITATION", DEBUG, "Invitation::Find chan=%s user=%s check_expired=%d", c ? c->name.c_str() : "NULL", u ? u->uuid.c_str() : "NULL", check_expired); + if (!u || u->invites.empty()) + return NULL; + + InviteList locallist; + locallist.swap(u->invites); + + Invitation* result = NULL; + for (InviteList::iterator i = locallist.begin(); i != locallist.end(); ) { - if (n != prefixes.end()) + Invitation* inv = *i; + if ((check_expired) && (inv->expiry != 0) && (inv->expiry <= ServerInstance->Time())) { - if (std::find(n->second.begin(), n->second.end(), pfx) == n->second.end()) - { - n->second.push_back(pfx); - /* We must keep prefixes in rank order, largest first. - * This is for two reasons, firstly because x-chat *ass-u-me's* this - * state, and secondly it turns out to be a benefit to us later. - * See above in GetPrefix(). - */ - std::sort(n->second.begin(), n->second.end(), ModeParser::PrefixComparison); - } + /* Expired invite, remove it. */ + std::string expiration = ServerInstance->TimeString(inv->expiry); + ServerInstance->Logs->Log("INVITATION", DEBUG, "Invitation::Find ecountered expired entry: %p expired %s", (void*) inv, expiration.c_str()); + i = locallist.erase(i); + inv->cull(); + delete inv; } else { - pfxcontainer one; - one.push_back(pfx); - prefixes.insert(std::make_pair(user, one)); - } - } - else - { - if (n != prefixes.end()) - { - pfxcontainer::iterator x = std::find(n->second.begin(), n->second.end(), pfx); - if (x != n->second.end()) - n->second.erase(x); + /* Is it what we're searching for? */ + if (inv->chan == c) + { + result = inv; + break; + } + ++i; } } + + locallist.swap(u->invites); + ServerInstance->Logs->Log("INVITATION", DEBUG, "Invitation::Find result=%p", (void*) result); + return result; } -void Channel::RemoveAllPrefixes(User* user) +Invitation::~Invitation() +{ + // Remove this entry from both lists + InviteList::iterator it = std::find(chan->invites.begin(), chan->invites.end(), this); + if (it != chan->invites.end()) + chan->invites.erase(it); + it = std::find(user->invites.begin(), user->invites.end(), this); + if (it != user->invites.end()) + user->invites.erase(it); +} + +void InviteBase::ClearInvites() { - prefixlist::iterator n = prefixes.find(user); - if (n != prefixes.end()) + ServerInstance->Logs->Log("INVITEBASE", DEBUG, "InviteBase::ClearInvites %p", (void*) this); + InviteList locallist; + locallist.swap(invites); + for (InviteList::const_iterator i = locallist.begin(); i != locallist.end(); ++i) { - prefixes.erase(n); + (*i)->cull(); + delete *i; } }