X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fchannels.cpp;h=9f1eafd0cb1f1e9654a8d3890310a46ac98af26a;hb=a785f350fd584d87f3b84bbaff569ecb59c29f04;hp=3f0fc4a36271077bc78b15f056b86a109210c6c7;hpb=1b823b21c71a9047a9bbb5fa931085bb4929f26a;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/channels.cpp b/src/channels.cpp index 3f0fc4a36..9f1eafd0c 100644 --- a/src/channels.cpp +++ b/src/channels.cpp @@ -1,16 +1,28 @@ -/* +------------------------------------+ - * | 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" @@ -19,12 +31,10 @@ Channel::Channel(const std::string &cname, time_t ts) { - chan_hash::iterator findchan = ServerInstance->chanlist->find(cname); - if (findchan != ServerInstance->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); @@ -61,54 +81,47 @@ 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) + 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(OnPreTopicChange, 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->GetPrefixValue(u) < HALFOP_VALUE)) - { - 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(); - // XXX: this check for 'u' is probably pre-fake-user, and it fucking sucks anyway. we need to change this. - if (u) - { - FOREACH_MOD(I_OnPostTopicChange,OnPostTopicChange(u, this, this->topic)); - } + FOREACH_MOD(I_OnPostTopicChange,OnPostTopicChange(u, this, this->topic)); return CMD_SUCCESS; } @@ -149,6 +162,8 @@ void Channel::DelUser(User* user) FOREACH_MOD(I_OnChannelDelete, OnChannelDelete(this)); ServerInstance->chanlist->erase(iter); } + + ClearInvites(); ServerInstance->GlobalCulls.AddItem(this); } } @@ -187,10 +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); } } @@ -206,7 +229,6 @@ Channel* Channel::JoinUser(User *user, const char* cn, bool override, const char if (!user || !cn || user->registered != REG_ALL) return NULL; - char cname[MAXBUF]; std::string privs; Channel *Ptr; @@ -239,7 +261,8 @@ Channel* Channel::JoinUser(User *user, const char* cn, bool override, const char } } - strlcpy(cname, cn, ServerInstance->Config->Limits.ChanMax); + std::string cname; + cname.assign(std::string(cn), 0, ServerInstance->Config->Limits.ChanMax); Ptr = ServerInstance->FindChan(cname); bool created_by_local = false; @@ -251,7 +274,7 @@ Channel* Channel::JoinUser(User *user, const char* cn, bool override, const char if (!IS_LOCAL(user)) { if (!TS) - ServerInstance->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 { @@ -262,7 +285,7 @@ Channel* Channel::JoinUser(User *user, const char* cn, bool override, const char if (IS_LOCAL(user) && override == false) { ModResult MOD_RESULT; - FIRST_MOD_RESULT(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; } @@ -282,7 +305,7 @@ Channel* Channel::JoinUser(User *user, const char* cn, bool override, const char if (IS_LOCAL(user) && override == false) { ModResult MOD_RESULT; - FIRST_MOD_RESULT(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; @@ -377,13 +400,16 @@ Channel* Channel::ForceChan(Channel* Ptr, User* user, const std::string &privs, 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 = memb->modes; - for(unsigned int i=0; i < memb->modes.length(); i++) - ms.append(" ").append(user->nick); - 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) @@ -421,7 +447,7 @@ bool Channel::CheckBan(User* user, const std::string& mask) return (result == MOD_RES_DENY); // extbans were handled above, if this is one it obviously didn't match - if (mask[1] == ':') + if ((mask.length() <= 2) || (mask[1] == ':')) return false; std::string::size_type at = mask.find('@'); @@ -515,11 +541,19 @@ void Channel::KickUser(User *src, User *user, const char* reason) if (res == MOD_RES_PASSTHRU) { - int them = this->GetPrefixValue(src); - int us = this->GetPrefixValue(user); - if ((them < HALFOP_VALUE) || (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++) { - src->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must be a channel %soperator",src->nick.c_str(), this->name.c_str(), them >= HALFOP_VALUE ? "" : "half-"); + 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(), req > HALFOP_VALUE ? "" : "half-"); return; } } @@ -625,7 +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); @@ -639,7 +673,6 @@ void Channel::WriteAllExcept(User* user, bool serversource, char status, CUList char tb[MAXBUF]; snprintf(tb,MAXBUF,":%s %s", serversource ? ServerInstance->Config->ServerName.c_str() : user->GetFullHost().c_str(), text.c_str()); - std::string out = tb; this->RawWriteAllExcept(user, serversource, status, except_list, std::string(tb)); } @@ -682,7 +715,7 @@ int Channel::CountInvisible() int count = 0; for (UserMembIter i = userlist.begin(); i != userlist.end(); i++) { - if (!(i->first->IsModeSet('i'))) + if (!i->first->quitting && !i->first->IsModeSet('i')) count++; } @@ -706,30 +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()) { @@ -750,37 +766,39 @@ char* Channel::ChanModes(bool showkey) */ void Channel::UserList(User *user) { - char list[MAXBUF]; - size_t dlen, curlen; - ModResult call_modules; - if (!IS_LOCAL(user)) return; - FIRST_MOD_RESULT(OnUserList, call_modules, (user, this)); + 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()); + 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(); - int numusers = 0; - char* ptr = list + dlen; + 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 (UserMembIter i = userlist.begin(); i != userlist.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 @@ -789,45 +807,34 @@ void Channel::UserList(User *user) 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->second, 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()); @@ -928,14 +935,14 @@ unsigned int Channel::GetPrefixValue(User* user) return m->second->getRank(); } -void Channel::SetPrefix(User* user, char prefix, bool adding) +bool Channel::SetPrefix(User* user, char prefix, bool adding) { ModeHandler* delta_mh = ServerInstance->Modes->FindMode(prefix, MODETYPE_CHANNEL); if (!delta_mh) - return; + return false; UserMembIter m = userlist.find(user); if (m == userlist.end()) - return; + return false; for(unsigned int i=0; i < m->second->modes.length(); i++) { char mchar = m->second->modes[i]; @@ -946,11 +953,12 @@ void Channel::SetPrefix(User* user, char prefix, bool adding) m->second->modes.substr(0,i) + (adding ? std::string(1, prefix) : "") + m->second->modes.substr(mchar == prefix ? i+1 : i); - return; + return adding != (mchar == prefix); } } if (adding) m->second->modes += std::string(1, prefix); + return adding; } void Channel::RemoveAllPrefixes(User* user) @@ -961,3 +969,90 @@ void Channel::RemoveAllPrefixes(User* user) m->second->modes.clear(); } } + +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", 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", 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); + } +} + +Invitation* Invitation::Find(Channel* c, LocalUser* u, bool check_expired) +{ + 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(); ) + { + Invitation* inv = *i; + if ((check_expired) && (inv->expiry != 0) && (inv->expiry <= ServerInstance->Time())) + { + /* 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 + { + /* 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; +} + +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() +{ + 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) + { + (*i)->cull(); + delete *i; + } +}