X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fchannels.cpp;h=31038484eb14baedf93858253908b0af711295da;hb=d3747f2943c403863bc31c8d3e9802ccc763f4d3;hp=5f0f545aec3da1f8923a0337e674207666191891;hpb=9b169c24b1c04123bca3a04d08f8519362b87df4;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/channels.cpp b/src/channels.cpp index 5f0f545ae..31038484e 100644 --- a/src/channels.cpp +++ b/src/channels.cpp @@ -2,8 +2,8 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd: (C) 2002-2008 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * InspIRCd: (C) 2002-2009 InspIRCd Development Team + * See: http://wiki.inspircd.org/Credits * * This program is free but copyrighted software; see * the file COPYING for details. @@ -11,180 +11,188 @@ * --------------------------------------------------- */ -/* $Core: libIRCDchannels */ +/* $Core */ #include "inspircd.h" -#include -#include "wildcard.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 (findchan != ServerInstance->chanlist->end()) throw CoreException("Cannot create duplicate channel " + cname); (*(ServerInstance->chanlist))[cname.c_str()] = this; - strlcpy(this->name, cname.c_str(), CHANMAX); - this->created = ts ? ts : ServerInstance->Time(); - this->age = this->created; + this->name.assign(cname, 0, ServerInstance->Config->Limits.ChanMax); + this->age = ts ? ts : ServerInstance->Time(); - - - - *topic = *setby = *key = 0; - maxbans = topicset = limit = 0; - memset(&modes,0,64); + maxbans = topicset = 0; + modes.reset(); } void Channel::SetMode(char mode,bool mode_on) { modes[mode-65] = mode_on; - if (!mode_on) - this->SetModeParam(mode,"",false); } - -void Channel::SetModeParam(char mode,const char* parameter,bool mode_on) +void Channel::SetMode(ModeHandler* mh, bool on) { - CustomModeList::iterator n = custom_mode_params.find(mode); + modes[mh->GetModeChar() - 65] = on; +} - if (mode_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 + if (n != custom_mode_params.end()) + custom_mode_params.erase(n); + if (parameter.empty()) { - if (n == custom_mode_params.end()) - custom_mode_params[mode] = strdup(parameter); + modes[mode-65] = false; } else { - if (n != custom_mode_params.end()) - { - free(n->second); - custom_mode_params.erase(n); - } + custom_mode_params[mode] = parameter; + modes[mode-65] = true; } } -bool Channel::IsModeSet(char mode) +void Channel::SetModeParam(ModeHandler* mode, const std::string& parameter) { - return modes[mode-65]; + SetModeParam(mode->GetModeChar(), parameter); } std::string Channel::GetModeParameter(char mode) { - switch (mode) - { - case 'k': - return this->key; - case 'l': - return ConvToStr(this->limit); - default: - CustomModeList::iterator n = custom_mode_params.find(mode); - if (n != custom_mode_params.end()) - return n->second; - return ""; - break; - } -} - -long Channel::GetUserCounter() -{ - return (this->internal_userlist.size()); + CustomModeList::iterator n = custom_mode_params.find(mode); + if (n != custom_mode_params.end()) + return n->second; + return ""; } -void Channel::AddUser(User* user) +std::string Channel::GetModeParameter(ModeHandler* mode) { - internal_userlist[user] = user->nick; + CustomModeList::iterator n = custom_mode_params.find(mode->GetModeChar()); + if (n != custom_mode_params.end()) + return n->second; + return ""; } -unsigned long Channel::DelUser(User* user) +int Channel::SetTopic(User *u, std::string &ntopic, bool forceset) { - CUListIter a = internal_userlist.find(user); - - if (a != internal_userlist.end()) + if (u) { - internal_userlist.erase(a); - /* And tidy any others... */ - DelOppedUser(user); - DelHalfoppedUser(user); - DelVoicedUser(user); + if(!forceset) + { + ModResult res; + /* 0: check status, 1: don't, -1: disallow change silently */ + + FIRST_MOD_RESULT(OnPreTopicChange, res, (u,this,ntopic)); + + 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 ((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; + } + } + } } - - return internal_userlist.size(); -} -bool Channel::HasUser(User* user) -{ - return (internal_userlist.find(user) != internal_userlist.end()); -} + 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()); + } -void Channel::AddOppedUser(User* user) -{ - internal_op_userlist[user] = user->nick; -} + this->topicset = ServerInstance->Time(); -void Channel::DelOppedUser(User* user) -{ - CUListIter a = internal_op_userlist.find(user); - if (a != internal_op_userlist.end()) + // XXX: this check for 'u' is probably pre-fake-user, and it fucking sucks anyway. we need to change this. + if (u) { - internal_op_userlist.erase(a); - return; + FOREACH_MOD(I_OnPostTopicChange,OnPostTopicChange(u, this, this->topic)); } -} -void Channel::AddHalfoppedUser(User* user) -{ - internal_halfop_userlist[user] = user->nick; + return CMD_SUCCESS; } -void Channel::DelHalfoppedUser(User* user) +long Channel::GetUserCounter() { - CUListIter a = internal_halfop_userlist.find(user); - - if (a != internal_halfop_userlist.end()) - { - internal_halfop_userlist.erase(a); - } + return userlist.size(); } -void Channel::AddVoicedUser(User* user) +Membership* Channel::AddUser(User* user) { - internal_voice_userlist[user] = user->nick; + Membership* memb = new Membership(user, this); + userlist[user] = memb; + return memb; } -void Channel::DelVoicedUser(User* user) +void Channel::DelUser(User* user) { - CUListIter a = internal_voice_userlist.find(user); - - if (a != internal_voice_userlist.end()) + UserMembIter a = userlist.find(user); + + if (a != userlist.end()) { - internal_voice_userlist.erase(a); + a->second->cull(); + delete a->second; + userlist.erase(a); } -} -CUList* Channel::GetUsers() -{ - return &internal_userlist; + if (userlist.empty()) + { + 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); + } + ServerInstance->GlobalCulls.AddItem(this); + } } -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; @@ -206,17 +214,17 @@ void Channel::SetDefaultModes() } } -/* +/* * add a channel to a user, creating the record for it if needed and linking - * it to the user record + * 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) { - if (!user || !cn) + // Fix: unregistered users could be joined using /SAJOIN + if (!user || !cn || user->registered != REG_ALL) return NULL; char cname[MAXBUF]; - int MOD_RESULT = 0; std::string privs; Channel *Ptr; @@ -228,37 +236,30 @@ Channel* Channel::JoinUser(InspIRCd* Instance, User *user, const char* cn, bool */ if (IS_LOCAL(user) && !override) { - if (user->GetMaxChans()) + if (user->HasPrivPermission("channels/high-join-limit")) { - if (user->chans.size() >= user->GetMaxChans()) + if (user->chans.size() >= ServerInstance->Config->OperMaxChans) { - user->WriteNumeric(405, "%s %s :You are on too many channels",user->nick, cn); + user->WriteNumeric(ERR_TOOMANYCHANNELS, "%s %s :You are on too many channels",user->nick.c_str(), cn); return NULL; } } else { - if (IS_OPER(user)) - { - if (user->chans.size() >= Instance->Config->OperMaxChans) - { - user->WriteNumeric(405, "%s %s :You are on too many channels",user->nick, cn); - return NULL; - } - } - else + unsigned int maxchans = user->GetClass()->maxchans; + if (!maxchans) + maxchans = ServerInstance->Config->MaxChans; + if (user->chans.size() >= maxchans) { - if (user->chans.size() >= Instance->Config->MaxChans) - { - user->WriteNumeric(405, "%s %s :You are on too many channels",user->nick, 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, CHANMAX); - Ptr = Instance->FindChan(cname); + strlcpy(cname, cn, ServerInstance->Config->Limits.ChanMax); + Ptr = ServerInstance->FindChan(cname); + bool created_by_local = false; if (!Ptr) { @@ -268,22 +269,23 @@ 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, cn); + 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); } else { - privs = "@"; + privs = "o"; + created_by_local = true; } if (IS_LOCAL(user) && override == false) { - MOD_RESULT = 0; - FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,NULL,cname,privs)); - if (MOD_RESULT == 1) + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnUserPreJoin, MOD_RESULT, (user, NULL, cname, privs, key ? key : "")); + if (MOD_RESULT == MOD_RES_DENY) return NULL; } - Ptr = new Channel(Instance, cname, TS); + Ptr = new Channel(cname, TS); } else { @@ -297,366 +299,262 @@ Channel* Channel::JoinUser(InspIRCd* Instance, User *user, const char* cn, bool */ if (IS_LOCAL(user) && override == false) { - MOD_RESULT = 0; - FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,Ptr,cname,privs)); - if (MOD_RESULT == 1) + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnUserPreJoin, MOD_RESULT, (user, Ptr, cname, privs, key ? key : "")); + if (MOD_RESULT == MOD_RES_DENY) { return NULL; } - else if (MOD_RESULT == 0) + else if (MOD_RESULT == MOD_RES_PASSTHRU) { - if (*Ptr->key) + std::string ckey = Ptr->GetModeParameter('k'); + bool invited = IS_LOCAL(user)->IsInvited(Ptr->name.c_str()); + bool can_bypass = ServerInstance->Config->InvBypassModes && invited; + + if (!ckey.empty()) { - MOD_RESULT = 0; - FOREACH_RESULT_I(Instance,I_OnCheckKey,OnCheckKey(user, Ptr, key ? key : "")); - if (!MOD_RESULT) + FIRST_MOD_RESULT(OnCheckKey, MOD_RESULT, (user, Ptr, key ? key : "")); + if (!MOD_RESULT.check((key && ckey == key) || can_bypass)) { - if ((!key) || strcmp(key,Ptr->key)) - { - user->WriteNumeric(475, "%s %s :Cannot join channel (Incorrect channel key)",user->nick, Ptr->name); - return NULL; - } + // 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 %s :Cannot join channel (Incorrect channel key)",user->nick.c_str(), Ptr->name.c_str()); + return NULL; } } + if (Ptr->IsModeSet('i')) { - MOD_RESULT = 0; - FOREACH_RESULT_I(Instance,I_OnCheckInvite,OnCheckInvite(user, Ptr)); - if (!MOD_RESULT) + FIRST_MOD_RESULT(OnCheckInvite, MOD_RESULT, (user, Ptr)); + if (!MOD_RESULT.check(invited)) { - if (!user->IsInvited(Ptr->name)) - { - user->WriteNumeric(473, "%s %s :Cannot join channel (Invite only)",user->nick, Ptr->name); - return NULL; - } + user->WriteNumeric(ERR_INVITEONLYCHAN, "%s %s :Cannot join channel (Invite only)",user->nick.c_str(), Ptr->name.c_str()); + return NULL; } - user->RemoveInvite(Ptr->name); } - if (Ptr->limit) + + std::string limit = Ptr->GetModeParameter('l'); + if (!limit.empty()) { - MOD_RESULT = 0; - FOREACH_RESULT_I(Instance,I_OnCheckLimit,OnCheckLimit(user, Ptr)); - if (!MOD_RESULT) + FIRST_MOD_RESULT(OnCheckLimit, MOD_RESULT, (user, Ptr)); + if (!MOD_RESULT.check((Ptr->GetUserCounter() < atol(limit.c_str()) || can_bypass))) { - if (Ptr->GetUserCounter() >= Ptr->limit) - { - user->WriteNumeric(471, "%s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name); - return NULL; - } + user->WriteNumeric(ERR_CHANNELISFULL, "%s %s :Cannot join channel (Channel is full)",user->nick.c_str(), Ptr->name.c_str()); + return NULL; } } - if (Ptr->bans.size()) + + if (Ptr->IsBanned(user) && !can_bypass) { - if (Ptr->IsBanned(user)) - { - user->WriteNumeric(474, "%s %s :Cannot join channel (You're banned)",user->nick, Ptr->name); - return NULL; - } + user->WriteNumeric(ERR_BANNEDFROMCHAN, "%s %s :Cannot join channel (You're banned)",user->nick.c_str(), Ptr->name.c_str()); + 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) + { + IS_LOCAL(user)->RemoveInvite(Ptr->name.c_str()); } } } } - /* As spotted by jilles, dont bother to set this on remote users */ - if (IS_LOCAL(user) && Ptr->GetUserCounter() == 0) + if (created_by_local) + { + /* As spotted by jilles, dont bother to set this on remote users */ Ptr->SetDefaultModes(); + } - return Channel::ForceChan(Instance, Ptr, user, privs, bursting); + 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) +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)); + CUList except_list; + FOREACH_MOD(I_OnUserJoin,OnUserJoin(memb, bursting, created, except_list)); - if (!silent) - Ptr->WriteChannel(user,"JOIN :%s",Ptr->name); + 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); + 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, ms.c_str()); + Ptr->WriteAllExceptSender(user, true, 0, "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) { - user->WriteNumeric(332, "%s %s :%s", user->nick, Ptr->name, Ptr->topic); - user->WriteNumeric(333, "%s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset); + user->WriteNumeric(RPL_TOPIC, "%s %s :%s", user->nick.c_str(), Ptr->name.c_str(), Ptr->topic.c_str()); + user->WriteNumeric(RPL_TOPICTIME, "%s %s %s %lu", user->nick.c_str(), Ptr->name.c_str(), Ptr->setby.c_str(), (unsigned long)Ptr->topicset); } 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) { - char mask[MAXBUF]; - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, this)); - if (!MOD_RESULT) - { - snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString()); - for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++) - { - /* This allows CIDR ban matching - * - * Full masked host Full unmasked host IP with/without CIDR - */ - if ((match(user->GetFullHost(),i->data)) || (match(user->GetFullRealHost(),i->data)) || (match(mask, i->data, true))) - { - return true; - } - } - } - return false; -} - -bool Channel::IsExtBanned(User *user, char type) -{ - // XXX. do we need events? - char mask[MAXBUF]; - char *maskptr; + ModResult result; + FIRST_MOD_RESULT(OnCheckChannelBan, result, (user, this)); - snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString()); + if (result != MOD_RES_PASSTHRU) + return (result == MOD_RES_DENY); for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++) { - if (i->data[0] != type || i->data[1] != ':') - continue; - - // Iterate past char and : to get to the mask without doing a data copy(!) - maskptr = i->data; - maskptr++; // past the char - maskptr++; // past the : - - /* This allows CIDR ban matching - * - * Full masked host Full unmasked host IP with/without CIDR - */ - if ((match(user->GetFullHost(), maskptr)) || (match(user->GetFullRealHost(), maskptr)) || (match(mask, maskptr, true))) - { + if (CheckBan(user, i->data)) return true; - } } - return false; } -/* 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, const char* reason) +bool Channel::CheckBan(User* user, const std::string& mask) { - bool silent = false; + ModResult result; + FIRST_MOD_RESULT(OnCheckBan, result, (user, this, mask)); + if (result != MOD_RES_PASSTHRU) + return (result == MOD_RES_DENY); - if (!user) - return this->GetUserCounter(); - - UCListIter i = user->chans.find(this); - if (i != user->chans.end()) - { - FOREACH_MOD(I_OnUserPart,OnUserPart(user, this, reason ? reason : "", silent)); + // extbans were handled above, if this is one it obviously didn't match + if (mask[1] == ':') + return false; - if (!silent) - this->WriteChannel(user, "PART %s%s%s", this->name, reason ? " :" : "", reason ? reason : ""); + std::string::size_type at = mask.find('@'); + if (at == std::string::npos) + return false; - user->chans.erase(i); - this->RemoveAllPrefixes(user); - } - - if (!this->DelUser(user)) /* if there are no users left on the channel... */ + 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)) { - chan_hash::iterator iter = ServerInstance->chanlist->find(this->name); - /* kill the record */ - if (iter != ServerInstance->chanlist->end()) - { - int MOD_RESULT = 0; - FOREACH_RESULT_I(ServerInstance,I_OnChannelPreDelete, OnChannelPreDelete(this)); - if (MOD_RESULT == 1) - return 1; // delete halted by module - FOREACH_MOD(I_OnChannelDelete, OnChannelDelete(this)); - ServerInstance->chanlist->erase(iter); - } - return 0; + 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 this->GetUserCounter(); + return false; } -long Channel::ServerKickUser(User* user, const char* reason, bool triggerevents, const char* servername) +ModResult Channel::GetExtBanStatus(User *user, char type) { - bool silent = false; - - if (!user || !reason) - return this->GetUserCounter(); - - if (IS_LOCAL(user)) + ModResult rv; + FIRST_MOD_RESULT(OnExtBanCheck, rv, (user, this, type)); + if (rv != MOD_RES_PASSTHRU) + return rv; + for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++) { - if (!this->HasUser(user)) + if (i->data[0] == type && i->data[1] == ':') { - /* Not on channel */ - return this->GetUserCounter(); + std::string val = i->data.substr(2); + if (CheckBan(user, val)) + return MOD_RES_DENY; } } + return MOD_RES_PASSTHRU; +} - if (servername == NULL || *ServerInstance->Config->HideWhoisServer) - servername = ServerInstance->Config->ServerName; +/* 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. + */ +void Channel::PartUser(User *user, std::string &reason) +{ + if (!user) + return; - if (triggerevents) - { - FOREACH_MOD(I_OnUserKick,OnUserKick(NULL, user, this, reason, silent)); - } + Membership* memb = GetUser(user); - UCListIter i = user->chans.find(this); - if (i != user->chans.end()) + if (memb) { - if (!silent) - this->WriteChannelWithServ(servername, "KICK %s %s :%s", this->name, user->nick, reason); + CUList except_list; + FOREACH_MOD(I_OnUserPart,OnUserPart(memb, reason, except_list)); - user->chans.erase(i); - this->RemoveAllPrefixes(user); - } + WriteAllExcept(user, false, 0, except_list, "PART %s%s%s", this->name.c_str(), reason.empty() ? "" : " :", reason.c_str()); - if (!this->DelUser(user)) - { - chan_hash::iterator iter = ServerInstance->chanlist->find(this->name); - /* kill the record */ - if (iter != ServerInstance->chanlist->end()) - { - int MOD_RESULT = 0; - FOREACH_RESULT_I(ServerInstance,I_OnChannelPreDelete, OnChannelPreDelete(this)); - if (MOD_RESULT == 1) - 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); } -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(441, "%s %s %s :They are not on that channel",src->nick, user->nick, this->name); - return this->GetUserCounter(); + 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; } if ((ServerInstance->ULine(user->server)) && (!ServerInstance->ULine(src->server))) { - src->WriteNumeric(482, "%s %s :Only a u-line may kick a u-line from a channel.",src->nick, this->name); - return this->GetUserCounter(); + 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; } - int MOD_RESULT = 0; - if (!ServerInstance->ULine(src->server)) - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnUserPreKick,OnUserPreKick(src,user,this,reason)); - if (MOD_RESULT == 1) - return this->GetUserCounter(); - } - /* Set to -1 by OnUserPreKick if explicit allow was set */ - if (MOD_RESULT != -1) + ModResult res; + if (ServerInstance->ULine(src->server)) + res = MOD_RES_ALLOW; + else + FIRST_MOD_RESULT(OnUserPreKick, res, (src,memb,reason)); + + if (res == MOD_RES_DENY) + return; + + if (res == MOD_RES_PASSTHRU) { - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(src,user,this,AC_KICK)); - if ((MOD_RESULT == ACR_DENY) && (!ServerInstance->ULine(src->server))) - return this->GetUserCounter(); - - if ((MOD_RESULT == ACR_DEFAULT) || (!ServerInstance->ULine(src->server))) + int them = this->GetPrefixValue(src); + int us = this->GetPrefixValue(user); + if ((them < HALFOP_VALUE) || (them < us)) { - int them = this->GetStatus(src); - int us = this->GetStatus(user); - if ((them < STATUS_HOP) || (them < us)) - { - src->WriteNumeric(482, "%s %s :You must be a channel %soperator",src->nick, this->name, 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(), them >= 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, user->nick, reason); + CUList except_list; + FOREACH_MOD(I_OnUserKick,OnUserKick(src, memb, reason, except_list)); - user->chans.erase(i); - this->RemoveAllPrefixes(user); - } + WriteAllExcept(src, false, 0, except_list, "KICK %s %s :%s", name.c_str(), user->nick.c_str(), reason); - 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()) - { - int MOD_RESULT = 0; - FOREACH_RESULT_I(ServerInstance,I_OnChannelPreDelete, OnChannelPreDelete(this)); - if (MOD_RESULT == 1) - 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, ...) @@ -676,23 +574,22 @@ 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) return; - snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str()); + 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; @@ -707,15 +604,14 @@ 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); @@ -747,33 +643,43 @@ void Channel::WriteAllExcept(User* user, bool serversource, char status, CUList if (!text) return; + int offset = snprintf(textbuffer,MAXBUF,":%s ", user->GetFullHost().c_str()); + va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); + vsnprintf(textbuffer + offset, MAXBUF - offset, text, argsPtr); va_end(argsPtr); - this->WriteAllExcept(user, serversource, status, except_list, std::string(textbuffer)); + this->RawWriteAllExcept(user, serversource, status, except_list, std::string(textbuffer)); } void Channel::WriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const std::string &text) { - CUList *ulist = this->GetUsers(); char tb[MAXBUF]; - snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str()); + snprintf(tb,MAXBUF,":%s %s", serversource ? ServerInstance->Config->ServerName.c_str() : user->GetFullHost().c_str(), text.c_str()); std::string out = tb; - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + 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) +{ + unsigned int minrank = 0; + if (status) + { + 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())) + 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; - if (serversource) - i->first->WriteServ(text); - else - i->first->Write(out); + i->first->Write(out); } } } @@ -781,7 +687,7 @@ void Channel::WriteAllExcept(User* user, bool serversource, char status, CUList 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)); } @@ -792,8 +698,7 @@ 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'))) count++; @@ -819,25 +724,13 @@ char* Channel::ChanModes(bool showkey) { *offset++ = n + 65; extparam.clear(); - switch (n) + if (n == 'k' - 65 && !showkey) + { + extparam = ""; + } + else { - case CM_KEY: - extparam = (showkey ? this->key : ""); - break; - case CM_LIMIT: - extparam = ConvToStr(this->limit); - 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 = this->GetModeParameter(n + 65); } if (!extparam.empty()) { @@ -856,43 +749,37 @@ 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; - int MOD_RESULT = 0; - bool call_modules = true; + ModResult call_modules; if (!IS_LOCAL(user)) return; - FOREACH_RESULT(I_OnUserList,OnUserList(user, this, ulist)); - if (MOD_RESULT == 1) - call_modules = false; + FIRST_MOD_RESULT(OnUserList, call_modules, (user, this)); - if (MOD_RESULT != -1) + if (call_modules != MOD_RES_ALLOW) { if ((this->IsModeSet('s')) && (!this->HasUser(user))) { - user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick, this->name); + 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, this->IsModeSet('s') ? '@' : this->IsModeSet('p') ? '*' : '=', this->name); + 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; - if (!ulist) - ulist = this->GetUsers(); - /* 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++) + for (UserMembIter i = userlist.begin(); i != userlist.end(); i++) { if ((!has_user) && (i->first->IsModeSet('i'))) { @@ -903,30 +790,27 @@ void Channel::UserList(User *user, CUList *ulist) continue; } - if (i->first->Visibility && !i->first->Visibility->VisibleTo(user)) - continue; - std::string prefixlist = this->GetPrefixChar(i->first); std::string nick = i->first->nick; - if (call_modules) + if (call_modules != MOD_RES_DENY) { - FOREACH_MOD(I_OnNamesListItem, OnNamesListItem(user, i->first, this, prefixlist, nick)); - + FOREACH_MOD(I_OnNamesListItem, OnNamesListItem(user, i->second, prefixlist, nick)); + /* Nick was nuked, a module wants us to skip it */ if (nick.empty()) continue; } - + size_t ptrlen = 0; - if (curlen > (480-NICKMAX)) + if (curlen + prefixlist.length() + nick.length() + 1 > 480) { /* list overflowed into multiple numerics */ - user->WriteServ(std::string(list)); + user->WriteNumeric(RPL_NAMREPLY, std::string(list)); /* reset our lengths */ - dlen = curlen = snprintf(list,MAXBUF,"%s %c %s :", user->nick, this->IsModeSet('s') ? '@' : this->IsModeSet('p') ? '*' : '=', this->name); + 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; @@ -944,10 +828,10 @@ void Channel::UserList(User *user, CUList *ulist) /* if whats left in the list isnt empty, send it */ if (numusers) { - user->WriteNumeric(353,std::string(list)); + user->WriteNumeric(RPL_NAMREPLY, std::string(list)); } - user->WriteNumeric(366, "%s %s :End of /NAMES list.", user->nick, this->name); + user->WriteNumeric(RPL_ENDOFNAMES, "%s %s :End of /NAMES list.", user->nick.c_str(), this->name.c_str()); } long Channel::GetMaxBans() @@ -959,7 +843,7 @@ long Channel::GetMaxBans() /* If there isnt one, we have to do some O(n) hax to find it the first time. (ick) */ for (std::map::iterator n = ServerInstance->Config->maxbans.begin(); n != ServerInstance->Config->maxbans.end(); n++) { - if (match(this->name,n->first.c_str())) + if (InspIRCd::Match(this->name, n->first, NULL)) { this->maxbans = n->second; return n->second; @@ -983,42 +867,55 @@ void Channel::ResetMaxBans() const char* Channel::GetPrefixChar(User *user) { static char pf[2] = {0, 0}; - - prefixlist::iterator n = prefixes.find(user); - if (n != prefixes.end()) + *pf = 0; + unsigned int bestrank = 0; + + 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; @@ -1026,93 +923,42 @@ const char* Channel::GetAllPrefixChars(User* user) unsigned int Channel::GetPrefixValue(User* user) { - prefixlist::iterator n = prefixes.find(user); - if (n != prefixes.end()) - { - if (n->second.size()) - return n->second.begin()->second; - } - return 0; -} - -int Channel::GetStatusFlags(User *user) -{ - UCListIter i = user->chans.find(this); - if (i != user->chans.end()) - { - return i->second; - } - return 0; + UserMembIter m = userlist.find(user); + if (m == userlist.end()) + return 0; + return m->second->getRank(); } -int Channel::GetStatus(User *user) +void Channel::SetPrefix(User* user, char prefix, bool adding) { - if (ServerInstance->ULine(user->server)) - return STATUS_OP; - - UCListIter i = user->chans.find(this); - if (i != user->chans.end()) + ModeHandler* delta_mh = ServerInstance->Modes->FindMode(prefix, MODETYPE_CHANNEL); + if (!delta_mh) + return; + UserMembIter m = userlist.find(user); + if (m == userlist.end()) + return; + for(unsigned int i=0; i < m->second->modes.length(); i++) { - if ((i->second & UCMODE_OP) > 0) - { - return STATUS_OP; - } - if ((i->second & UCMODE_HOP) > 0) - { - return STATUS_HOP; - } - if ((i->second & UCMODE_VOICE) > 0) + char mchar = m->second->modes[i]; + ModeHandler* mh = ServerInstance->Modes->FindMode(mchar, MODETYPE_CHANNEL); + if (mh && mh->GetPrefixRank() <= delta_mh->GetPrefixRank()) { - return STATUS_VOICE; + m->second->modes = + m->second->modes.substr(0,i) + + (adding ? std::string(1, prefix) : "") + + m->second->modes.substr(mchar == prefix ? i+1 : i); + return; } - return STATUS_NORMAL; } - return STATUS_NORMAL; -} - -void Channel::SetPrefix(User* user, char prefix, unsigned int prefix_value, bool adding) -{ - prefixlist::iterator n = prefixes.find(user); - prefixtype pfx = std::make_pair(prefix,prefix_value); if (adding) - { - if (n != prefixes.end()) - { - 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); - } - } - 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); - } - } + m->second->modes += std::string(1, prefix); } void Channel::RemoveAllPrefixes(User* user) { - prefixlist::iterator n = prefixes.find(user); - if (n != prefixes.end()) + UserMembIter m = userlist.find(user); + if (m != userlist.end()) { - prefixes.erase(n); + m->second->modes.clear(); } } -