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Diffstat (limited to 'modules/protocol/inspircd3.cpp')
| -rw-r--r-- | modules/protocol/inspircd3.cpp | 2031 |
1 files changed, 0 insertions, 2031 deletions
diff --git a/modules/protocol/inspircd3.cpp b/modules/protocol/inspircd3.cpp deleted file mode 100644 index 45d877d78..000000000 --- a/modules/protocol/inspircd3.cpp +++ /dev/null @@ -1,2031 +0,0 @@ -/* InspIRCd 3.0 functions - * - * (C) 2003-2024 Anope Team - * Contact us at team@anope.org - * - * Please read COPYING and README for further details. - * - * Based on the original code of Epona by Lara. - * Based on the original code of Services by Andy Church. - */ - -#include "module.h" -#include "modules/cs_mode.h" -#include "modules/sasl.h" - -typedef std::map<char, unsigned> ListLimits; - -struct SASLUser -{ - Anope::string uid; - Anope::string acc; - time_t created; -}; - -static std::list<SASLUser> saslusers; - -static Anope::string rsquit_server, rsquit_id; - -class InspIRCd3Proto : public IRCDProto -{ - private: - void SendChgIdentInternal(const Anope::string &nick, const Anope::string &vIdent) - { - if (!Servers::Capab.count("CHGIDENT")) - Log() << "CHGIDENT not loaded!"; - else - UplinkSocket::Message(Me) << "CHGIDENT " << nick << " " << vIdent; - } - - void SendChgHostInternal(const Anope::string &nick, const Anope::string &vhost) - { - if (!Servers::Capab.count("CHGHOST")) - Log() << "CHGHOST not loaded!"; - else - UplinkSocket::Message(Me) << "CHGHOST " << nick << " " << vhost; - } - - void SendAddLine(const Anope::string &xtype, const Anope::string &mask, time_t duration, const Anope::string &addedby, const Anope::string &reason) - { - UplinkSocket::Message(Me) << "ADDLINE " << xtype << " " << mask << " " << addedby << " " << Anope::CurTime << " " << duration << " :" << reason; - } - - void SendDelLine(const Anope::string &xtype, const Anope::string &mask) - { - UplinkSocket::Message(Me) << "DELLINE " << xtype << " " << mask; - } - - public: - PrimitiveExtensibleItem<ListLimits> maxlist; - - InspIRCd3Proto(Module *creator) : IRCDProto(creator, "InspIRCd 3"), maxlist(creator, "maxlist") - { - DefaultPseudoclientModes = "+oI"; - CanSVSNick = true; - CanSVSJoin = true; - CanSetVHost = true; - CanSetVIdent = true; - CanSQLine = true; - CanSZLine = true; - CanCertFP = true; - RequiresID = true; - MaxModes = 20; - MaxLine = 4096; - } - - unsigned GetMaxListFor(Channel *c, ChannelMode *cm) anope_override - { - ListLimits *limits = maxlist.Get(c); - if (limits) - { - ListLimits::const_iterator limit = limits->find(cm->mchar); - if (limit != limits->end()) - return limit->second; - } - - // Fall back to the config limit if we can't find the mode. - return IRCDProto::GetMaxListFor(c, cm); - } - - void SendConnect() anope_override - { - UplinkSocket::Message() << "CAPAB START 1205"; - UplinkSocket::Message() << "CAPAB CAPABILITIES :CASEMAPPING=" << Config->GetBlock("options")->Get<const Anope::string>("casemap", "ascii"); - UplinkSocket::Message() << "CAPAB END"; - UplinkSocket::Message() << "SERVER " << Me->GetName() << " " << Config->Uplinks[Anope::CurrentUplink].password << " 0 " << Me->GetSID() << " :" << Me->GetDescription(); - } - - void SendSASLMechanisms(std::vector<Anope::string> &mechanisms) anope_override - { - Anope::string mechlist; - for (unsigned i = 0; i < mechanisms.size(); ++i) - mechlist += "," + mechanisms[i]; - - UplinkSocket::Message(Me) << "METADATA * saslmechlist :" << (mechanisms.empty() ? "" : mechlist.substr(1)); - } - - void SendSVSKillInternal(const MessageSource &source, User *user, const Anope::string &buf) anope_override - { - IRCDProto::SendSVSKillInternal(source, user, buf); - user->KillInternal(source, buf); - } - - void SendForceNickChange(User *u, const Anope::string &newnick, time_t when) anope_override - { - UplinkSocket::Message() << "SVSNICK " << u->GetUID() << " " << newnick << " " << when << " " << u->timestamp; - } - - void SendGlobalNotice(BotInfo *bi, const Server *dest, const Anope::string &msg) anope_override - { - UplinkSocket::Message(bi) << "NOTICE $" << dest->GetName() << " :" << msg; - } - - void SendGlobalPrivmsg(BotInfo *bi, const Server *dest, const Anope::string &msg) anope_override - { - UplinkSocket::Message(bi) << "PRIVMSG $" << dest->GetName() << " :" << msg; - } - - void SendPong(const Anope::string &servname, const Anope::string &who) anope_override - { - Server *serv = servname.empty() ? NULL : Server::Find(servname); - if (!serv) - serv = Me; - - UplinkSocket::Message(serv) << "PONG " << who; - } - - void SendAkillDel(const XLine *x) anope_override - { - { - /* InspIRCd may support regex bans - * Mask is expected in format: 'n!u@h\sr' and spaces as '\s' - * We remove the '//' and replace '#' and any ' ' with '\s' - */ - if (x->IsRegex() && Servers::Capab.count("RLINE")) - { - Anope::string mask = x->mask; - if (mask.length() >= 2 && mask[0] == '/' && mask[mask.length() - 1] == '/') - mask = mask.substr(1, mask.length() - 2); - size_t h = mask.find('#'); - if (h != Anope::string::npos) - { - mask = mask.replace(h, 1, "\\s"); - mask = mask.replace_all_cs(" ", "\\s"); - } - SendDelLine("R", mask); - return; - } - else if (x->IsRegex() || x->HasNickOrReal()) - return; - - /* ZLine if we can instead */ - if (x->GetUser() == "*") - { - cidr addr(x->GetHost()); - if (addr.valid()) - { - IRCD->SendSZLineDel(x); - return; - } - } - - SendDelLine("G", x->GetUser() + "@" + x->GetHost()); - } - } - - void SendInvite(const MessageSource &source, const Channel *c, User *u) anope_override - { - UplinkSocket::Message(source) << "INVITE " << u->GetUID() << " " << c->name << " " << c->creation_time; - } - - void SendTopic(const MessageSource &source, Channel *c) anope_override - { - if (Servers::Capab.count("TOPICLOCK")) - { - UplinkSocket::Message(c->WhoSends()) << "SVSTOPIC " << c->name << " " << c->topic_ts << " " << c->topic_setter << " :" << c->topic; - } - else - { - /* If the last time a topic was set is after the TS we want for this topic we must bump this topic's timestamp to now */ - time_t ts = c->topic_ts; - if (c->topic_time > ts) - ts = Anope::CurTime; - /* But don't modify c->topic_ts, it should remain set to the real TS we want as ci->last_topic_time pulls from it */ - UplinkSocket::Message(source) << "FTOPIC " << c->name << " " << c->creation_time << " " << ts << " " << c->topic_setter << " :" << c->topic; - } - } - - void SendVhostDel(User *u) anope_override - { - UserMode *um = ModeManager::FindUserModeByName("CLOAK"); - - if (um && !u->HasMode(um->name)) - // Just set +x if we can - u->SetMode(NULL, um); - else - // Try to restore cloaked host - this->SendChgHostInternal(u->nick, u->chost); - } - - void SendAkill(User *u, XLine *x) anope_override - { - // Calculate the time left before this would expire, capping it at 2 days - time_t timeleft = x->expires - Anope::CurTime; - if (timeleft > 172800 || !x->expires) - timeleft = 172800; - - /* InspIRCd may support regex bans, if they do we can send this and forget about it - * Mask is expected in format: 'n!u@h\sr' and spaces as '\s' - * We remove the '//' and replace '#' and any ' ' with '\s' - */ - if (x->IsRegex() && Servers::Capab.count("RLINE")) - { - Anope::string mask = x->mask; - if (mask.length() >= 2 && mask[0] == '/' && mask[mask.length() - 1] == '/') - mask = mask.substr(1, mask.length() - 2); - size_t h = mask.find('#'); - if (h != Anope::string::npos) - { - mask = mask.replace(h, 1, "\\s"); - mask = mask.replace_all_cs(" ", "\\s"); - } - SendAddLine("R", mask, timeleft, x->by, x->GetReason()); - return; - } - else if (x->IsRegex() || x->HasNickOrReal()) - { - if (!u) - { - /* No user (this akill was just added), and contains nick and/or realname. Find users that match and ban them */ - for (user_map::const_iterator it = UserListByNick.begin(); it != UserListByNick.end(); ++it) - if (x->manager->Check(it->second, x)) - this->SendAkill(it->second, x); - return; - } - - const XLine *old = x; - - if (old->manager->HasEntry("*@" + u->host)) - return; - - /* We can't akill x as it has a nick and/or realname included, so create a new akill for *@host */ - x = new XLine("*@" + u->host, old->by, old->expires, old->reason, old->id); - old->manager->AddXLine(x); - - Log(Config->GetClient("OperServ"), "akill") << "AKILL: Added an akill for " << x->mask << " because " << u->GetMask() << "#" << u->realname << " matches " << old->mask; - } - - /* ZLine if we can instead */ - if (x->GetUser() == "*") - { - cidr addr(x->GetHost()); - if (addr.valid()) - { - IRCD->SendSZLine(u, x); - return; - } - } - - SendAddLine("G", x->GetUser() + "@" + x->GetHost(), timeleft, x->by, x->GetReason()); - } - - void SendNumericInternal(int numeric, const Anope::string &dest, const Anope::string &buf) anope_override - { - UplinkSocket::Message() << "NUM " << Me->GetSID() << " " << dest << " " << numeric << " " << buf; - } - - void SendModeInternal(const MessageSource &source, const Channel *dest, const Anope::string &buf) anope_override - { - UplinkSocket::Message(source) << "FMODE " << dest->name << " " << dest->creation_time << " " << buf; - } - - void SendClientIntroduction(User *u) anope_override - { - Anope::string modes = "+" + u->GetModes(); - UplinkSocket::Message(Me) << "UID " << u->GetUID() << " " << u->timestamp << " " << u->nick << " " << u->host << " " << u->host << " " << u->GetIdent() << " 0.0.0.0 " << u->timestamp << " " << modes << " :" << u->realname; - - if (modes.find('o') != Anope::string::npos) - { - // Mark as introduced so we can send an oper type. - BotInfo *bi = BotInfo::Find(u->nick, true); - if (bi) - bi->introduced = true; - - UplinkSocket::Message(u) << "OPERTYPE :service"; - } - } - - void SendServer(const Server *server) anope_override - { - /* if rsquit is set then we are waiting on a squit */ - if (rsquit_id.empty() && rsquit_server.empty()) - UplinkSocket::Message() << "SERVER " << server->GetName() << " " << server->GetSID() << " :" << server->GetDescription(); - } - - void SendSquit(Server *s, const Anope::string &message) anope_override - { - if (s != Me) - { - rsquit_id = s->GetSID(); - rsquit_server = s->GetName(); - UplinkSocket::Message() << "RSQUIT " << s->GetName() << " :" << message; - } - else - UplinkSocket::Message() << "SQUIT " << s->GetName() << " :" << message; - } - - void SendJoin(User *user, Channel *c, const ChannelStatus *status) anope_override - { - UplinkSocket::Message(Me) << "FJOIN " << c->name << " " << c->creation_time << " +" << c->GetModes(true, true) << " :," << user->GetUID(); - /* Note that we can send this with the FJOIN but choose not to - * because the mode stacker will handle this and probably will - * merge these modes with +nrt and other mlocked modes - */ - if (status) - { - /* First save the channel status incase uc->Status == status */ - ChannelStatus cs = *status; - /* If the user is internally on the channel with flags, kill them so that - * the stacker will allow this. - */ - ChanUserContainer *uc = c->FindUser(user); - if (uc != NULL) - uc->status.Clear(); - - BotInfo *setter = BotInfo::Find(user->GetUID()); - for (size_t i = 0; i < cs.Modes().length(); ++i) - c->SetMode(setter, ModeManager::FindChannelModeByChar(cs.Modes()[i]), user->GetUID(), false); - - if (uc != NULL) - uc->status = cs; - } - } - - void SendSQLineDel(const XLine *x) anope_override - { - if (IRCD->CanSQLineChannel && (x->mask[0] == '#')) - SendDelLine("CBAN", x->mask); - else - SendDelLine("Q", x->mask); - } - - void SendSQLine(User *u, const XLine *x) anope_override - { - // Calculate the time left before this would expire, capping it at 2 days - time_t timeleft = x->expires - Anope::CurTime; - if (timeleft > 172800 || !x->expires) - timeleft = 172800; - - if (IRCD->CanSQLineChannel && (x->mask[0] == '#')) - SendAddLine("CBAN", x->mask, timeleft, x->by, x->GetReason()); - else - SendAddLine("Q", x->mask, timeleft, x->by, x->GetReason()); - } - - void SendVhost(User *u, const Anope::string &vIdent, const Anope::string &vhost) anope_override - { - if (!vIdent.empty()) - this->SendChgIdentInternal(u->nick, vIdent); - if (!vhost.empty()) - this->SendChgHostInternal(u->nick, vhost); - } - - void SendSVSHold(const Anope::string &nick, time_t t) anope_override - { - UplinkSocket::Message(Config->GetClient("NickServ")) << "SVSHOLD " << nick << " " << t << " :Being held for registered user"; - } - - void SendSVSHoldDel(const Anope::string &nick) anope_override - { - UplinkSocket::Message(Config->GetClient("NickServ")) << "SVSHOLD " << nick; - } - - void SendSZLineDel(const XLine *x) anope_override - { - SendDelLine("Z", x->GetHost()); - } - - void SendSZLine(User *u, const XLine *x) anope_override - { - // Calculate the time left before this would expire, capping it at 2 days - time_t timeleft = x->expires - Anope::CurTime; - if (timeleft > 172800 || !x->expires) - timeleft = 172800; - SendAddLine("Z", x->GetHost(), timeleft, x->by, x->GetReason()); - } - - void SendSVSJoin(const MessageSource &source, User *u, const Anope::string &chan, const Anope::string &key) anope_override - { - if (key.empty()) - UplinkSocket::Message(source) << "SVSJOIN " << u->GetUID() << " " << chan; - else - UplinkSocket::Message(source) << "SVSJOIN " << u->GetUID() << " " << chan << " :" << key; - } - - void SendSVSPart(const MessageSource &source, User *u, const Anope::string &chan, const Anope::string ¶m) anope_override - { - if (!param.empty()) - UplinkSocket::Message(source) << "SVSPART " << u->GetUID() << " " << chan << " :" << param; - else - UplinkSocket::Message(source) << "SVSPART " << u->GetUID() << " " << chan; - } - - void SendSWhois(const MessageSource &bi, const Anope::string &who, const Anope::string &mask) anope_override - { - User *u = User::Find(who); - - UplinkSocket::Message(Me) << "METADATA " << u->GetUID() << " swhois :" << mask; - } - - void SendBOB() anope_override - { - UplinkSocket::Message(Me) << "BURST " << Anope::CurTime; - Module *enc = ModuleManager::FindFirstOf(ENCRYPTION); - UplinkSocket::Message(Me) << "SINFO version :Anope-" << Anope::Version() << " " << Me->GetName() << " :" << IRCD->GetProtocolName() << " - (" << (enc ? enc->name : "none") << ") -- " << Anope::VersionBuildString(); - UplinkSocket::Message(Me) << "SINFO fullversion :Anope-" << Anope::Version() << " " << Me->GetName() << " :[" << Me->GetSID() << "] " << IRCD->GetProtocolName() << " - (" << (enc ? enc->name : "none") << ") -- " << Anope::VersionBuildString(); - UplinkSocket::Message(Me) << "SINFO rawversion :Anope-" << Anope::VersionShort(); - } - - void SendEOB() anope_override - { - UplinkSocket::Message(Me) << "ENDBURST"; - } - - void SendGlobopsInternal(const MessageSource &source, const Anope::string &buf) anope_override - { - if (Servers::Capab.count("GLOBOPS")) - UplinkSocket::Message(source) << "SNONOTICE g :" << buf; - else - UplinkSocket::Message(source) << "SNONOTICE A :" << buf; - } - - void SendLogin(User *u, NickAlias *na) anope_override - { - /* InspIRCd uses an account to bypass chmode +R, not umode +r, so we can't send this here */ - if (na->nc->HasExt("UNCONFIRMED")) - return; - - IRCD->SendVhost(u, na->GetVhostIdent(), na->GetVhostHost()); - UplinkSocket::Message(Me) << "METADATA " << u->GetUID() << " accountid :" << na->nc->GetId(); - UplinkSocket::Message(Me) << "METADATA " << u->GetUID() << " accountname :" << na->nc->display; - } - - void SendLogout(User *u) anope_override - { - UplinkSocket::Message(Me) << "METADATA " << u->GetUID() << " accountid :"; - UplinkSocket::Message(Me) << "METADATA " << u->GetUID() << " accountname :"; - } - - void SendChannel(Channel *c) anope_override - { - UplinkSocket::Message(Me) << "FJOIN " << c->name << " " << c->creation_time << " +" << c->GetModes(true, true) << " :"; - } - - void SendSASLMessage(const SASL::Message &message) anope_override - { - UplinkSocket::Message(Me) << "ENCAP " << message.target.substr(0, 3) << " SASL " << message.source << " " << message.target << " " << message.type << " " << message.data << (message.ext.empty() ? "" : (" " + message.ext)); - } - - void SendSVSLogin(const Anope::string &uid, const Anope::string &acc, const Anope::string &vident, const Anope::string &vhost) anope_override - { - // TODO: in 2.1 this function should take a NickAlias instead of strings. - NickCore *nc = NickCore::Find(acc); - if (!nc) - return; - - UplinkSocket::Message(Me) << "METADATA " << uid << " accountid :" << nc->GetId(); - UplinkSocket::Message(Me) << "METADATA " << uid << " accountname :" << acc; - - if (!vident.empty()) - UplinkSocket::Message(Me) << "ENCAP " << uid.substr(0, 3) << " CHGIDENT " << uid << " " << vident; - if (!vhost.empty()) - UplinkSocket::Message(Me) << "ENCAP " << uid.substr(0, 3) << " CHGHOST " << uid << " " << vhost; - - SASLUser su; - su.uid = uid; - su.acc = acc; - su.created = Anope::CurTime; - - for (std::list<SASLUser>::iterator it = saslusers.begin(); it != saslusers.end();) - { - SASLUser &u = *it; - - if (u.created + 30 < Anope::CurTime || u.uid == uid) - it = saslusers.erase(it); - else - ++it; - } - - saslusers.push_back(su); - } - - bool IsExtbanValid(const Anope::string &mask) anope_override - { - return mask.length() >= 3 && mask[1] == ':'; - } - - bool IsIdentValid(const Anope::string &ident) anope_override - { - if (ident.empty() || ident.length() > Config->GetBlock("networkinfo")->Get<unsigned>("userlen")) - return false; - - for (unsigned i = 0; i < ident.length(); ++i) - { - const char &c = ident[i]; - - if (c >= 'A' && c <= '}') - continue; - - if ((c >= '0' && c <= '9') || c == '-' || c == '.') - continue; - - return false; - } - - return true; - } -}; - -class InspIRCdAutoOpMode : public ChannelModeList -{ - public: - InspIRCdAutoOpMode(char mode) : ChannelModeList("AUTOOP", mode) - { - } - - bool IsValid(Anope::string &mask) const anope_override - { - // We can not validate this because we don't know about the - // privileges of the setter so just reject attempts to set it. - return false; - } -}; - -// NOTE: matchers for the following extbans have not been implemented: -// -// * class(n): data not available -// * country(G): data not available -// * gateway(w): data not available in v3 -// * realmask(a): todo -class InspIRCdExtBan : public ChannelModeVirtual<ChannelModeList> -{ - char ext; - - public: - InspIRCdExtBan(const Anope::string &mname, const Anope::string &basename, char extban) : ChannelModeVirtual<ChannelModeList>(mname, basename) - , ext(extban) - { - } - - ChannelMode *Wrap(Anope::string ¶m) anope_override - { - param = Anope::string(ext) + ":" + param; - return ChannelModeVirtual<ChannelModeList>::Wrap(param); - } - - ChannelMode *Unwrap(ChannelMode *cm, Anope::string ¶m) anope_override - { - if (cm->type != MODE_LIST || param.length() < 3 || param[0] != ext || param[1] != ':') - return cm; - - param = param.substr(2); - return this; - } -}; - -namespace InspIRCdExtban -{ - class EntryMatcher : public InspIRCdExtBan - { - public: - EntryMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c) - { - } - - bool Matches(User *u, const Entry *e) anope_override - { - const Anope::string &mask = e->GetMask(); - Anope::string real_mask = mask.substr(2); - - return Entry(this->name, real_mask).Matches(u); - } - }; - - class ChannelMatcher : public InspIRCdExtBan - { - public: - ChannelMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c) - { - } - - bool Matches(User *u, const Entry *e) anope_override - { - const Anope::string &mask = e->GetMask(); - - Anope::string channel = mask.substr(2); - - ChannelMode *cm = NULL; - if (channel[0] != '#') - { - char modeChar = ModeManager::GetStatusChar(channel[0]); - channel.erase(channel.begin()); - cm = ModeManager::FindChannelModeByChar(modeChar); - if (cm != NULL && cm->type != MODE_STATUS) - cm = NULL; - } - - Channel *c = Channel::Find(channel); - if (c != NULL) - { - ChanUserContainer *uc = c->FindUser(u); - if (uc != NULL) - if (cm == NULL || uc->status.HasMode(cm->mchar)) - return true; - } - - return false; - } - }; - - class AccountMatcher : public InspIRCdExtBan - { - public: - AccountMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c) - { - } - - bool Matches(User *u, const Entry *e) anope_override - { - const Anope::string &mask = e->GetMask(); - Anope::string real_mask = mask.substr(2); - - return u->IsIdentified() && real_mask.equals_ci(u->Account()->display); - } - }; - - class RealnameMatcher : public InspIRCdExtBan - { - public: - RealnameMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c) - { - } - - bool Matches(User *u, const Entry *e) anope_override - { - const Anope::string &mask = e->GetMask(); - Anope::string real_mask = mask.substr(2); - return Anope::Match(u->realname, real_mask); - } - }; - - class ServerMatcher : public InspIRCdExtBan - { - public: - ServerMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c) - { - } - - bool Matches(User *u, const Entry *e) anope_override - { - const Anope::string &mask = e->GetMask(); - Anope::string real_mask = mask.substr(2); - return Anope::Match(u->server->GetName(), real_mask); - } - }; - - class FingerprintMatcher : public InspIRCdExtBan - { - public: - FingerprintMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c) - { - } - - bool Matches(User *u, const Entry *e) anope_override - { - const Anope::string &mask = e->GetMask(); - Anope::string real_mask = mask.substr(2); - return !u->fingerprint.empty() && Anope::Match(u->fingerprint, real_mask); - } - }; - - class UnidentifiedMatcher : public InspIRCdExtBan - { - public: - UnidentifiedMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c) - { - } - - bool Matches(User *u, const Entry *e) anope_override - { - const Anope::string &mask = e->GetMask(); - Anope::string real_mask = mask.substr(2); - return !u->Account() && Entry("BAN", real_mask).Matches(u); - } - }; - - class OperTypeMatcher : public InspIRCdExtBan - { - public: - OperTypeMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c) - { - } - - bool Matches(User *u, const Entry *e) anope_override - { - Anope::string *opertype = u->GetExt<Anope::string>("opertype"); - if (!opertype) - return false; // Not an operator. - - const Anope::string &mask = e->GetMask(); - Anope::string real_mask = mask.substr(2); - return Anope::Match(opertype->replace_all_cs(' ', '_'), real_mask); - } - }; -} - -class ColonDelimitedParamMode : public ChannelModeParam -{ - public: - ColonDelimitedParamMode(const Anope::string &modename, char modeChar) : ChannelModeParam(modename, modeChar, true) { } - - bool IsValid(Anope::string &value) const anope_override - { - return IsValid(value, false); - } - - bool IsValid(const Anope::string &value, bool historymode) const - { - if (value.empty()) - return false; // empty param is never valid - - Anope::string::size_type pos = value.find(':'); - if ((pos == Anope::string::npos) || (pos == 0)) - return false; // no ':' or it's the first char, both are invalid - - Anope::string rest; - try - { - if (convertTo<int>(value, rest, false) <= 0) - return false; // negative numbers and zero are invalid - - rest = rest.substr(1); - int n; - if (historymode) - { - // For the history mode, the part after the ':' is a duration and it - // can be in the user friendly "1d3h20m" format, make sure we accept that - n = Anope::DoTime(rest); - } - else - n = convertTo<int>(rest); - - if (n <= 0) - return false; - } - catch (const ConvertException &e) - { - // conversion error, invalid - return false; - } - - return true; - } -}; - -class SimpleNumberParamMode : public ChannelModeParam -{ - public: - SimpleNumberParamMode(const Anope::string &modename, char modeChar) : ChannelModeParam(modename, modeChar, true) { } - - bool IsValid(Anope::string &value) const anope_override - { - if (value.empty()) - return false; // empty param is never valid - - try - { - if (convertTo<int>(value) <= 0) - return false; - } - catch (const ConvertException &e) - { - // conversion error, invalid - return false; - } - - return true; - } -}; - -class ChannelModeFlood : public ColonDelimitedParamMode -{ - public: - ChannelModeFlood(char modeChar) : ColonDelimitedParamMode("FLOOD", modeChar) { } - - bool IsValid(Anope::string &value) const anope_override - { - // The parameter of this mode is a bit different, it may begin with a '*', - // ignore it if that's the case - Anope::string v = value[0] == '*' ? value.substr(1) : value; - return ((!value.empty()) && (ColonDelimitedParamMode::IsValid(v))); - } -}; - -class ChannelModeHistory : public ColonDelimitedParamMode -{ - public: - ChannelModeHistory(char modeChar) : ColonDelimitedParamMode("HISTORY", modeChar) { } - - bool IsValid(Anope::string &value) const anope_override - { - return (ColonDelimitedParamMode::IsValid(value, true)); - } -}; - -class ChannelModeRedirect : public ChannelModeParam -{ - public: - ChannelModeRedirect(char modeChar) : ChannelModeParam("REDIRECT", modeChar, true) { } - - bool IsValid(Anope::string &value) const anope_override - { - // The parameter of this mode is a channel, and channel names start with '#' - return ((!value.empty()) && (value[0] == '#')); - } -}; - -struct IRCDMessageAway : Message::Away -{ - IRCDMessageAway(Module *creator) : Message::Away(creator, "AWAY") { SetFlag(IRCDMESSAGE_REQUIRE_USER); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - std::vector<Anope::string> newparams(params); - if (newparams.size() > 1) - newparams.erase(newparams.begin()); - - Message::Away::Run(source, newparams); - } -}; - -struct IRCDMessageCapab : Message::Capab -{ - struct ModeInfo - { - // The letter assigned to the mode (e.g. o). - char letter; - - // If a prefix mode then the rank of the prefix. - unsigned level; - - // The name of the mode. - Anope::string name; - - // If a prefix mode then the symbol associated with the prefix. - char symbol; - - // The type of mode. - Anope::string type; - - ModeInfo() : letter(0), level(0), symbol(0) { } - }; - - static bool ParseMode(const Anope::string& token, ModeInfo& mode) - { - // list:ban=b param-set:limit=l param:key=k prefix:30000:op=@o simple:noextmsg=n - // A C A C A C A B C A C - Anope::string::size_type a = token.find(':'); - if (a == Anope::string::npos) - return false; - - // If the mode is a prefix mode then it also has a rank. - mode.type = token.substr(0, a); - if (mode.type == "prefix") - { - Anope::string::size_type b = token.find(':', a + 1); - if (b == Anope::string::npos) - return false; - - const Anope::string modelevel = token.substr(a + 1, b - a - 1); - mode.level = modelevel.is_pos_number_only() ? convertTo<unsigned>(modelevel) : 0; - a = b; - } - - Anope::string::size_type c = token.find('=', a + 1); - if (c == Anope::string::npos) - return false; - - mode.name = token.substr(a + 1, c - a - 1); - switch (token.length() - c) - { - case 2: - mode.letter = token[c + 1]; - break; - case 3: - mode.symbol = token[c + 1]; - mode.letter = token[c + 2]; - break; - default: - return false; - } - - Log(LOG_DEBUG) << "Parsed mode: " << "type=" << mode.type << " name=" << mode.name << " level=" - << mode.level << " symbol=" << mode.symbol << " letter=" << mode.letter; - return true; - } - - IRCDMessageCapab(Module *creator) : Message::Capab(creator, "CAPAB") { SetFlag(IRCDMESSAGE_SOFT_LIMIT); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - if (params[0].equals_cs("START")) - { - unsigned int spanningtree_proto_ver = 0; - if (params.size() >= 2) - spanningtree_proto_ver = params[1].is_pos_number_only() ? convertTo<unsigned>(params[1]) : 0; - - if (spanningtree_proto_ver < 1205) - { - UplinkSocket::Message() << "ERROR :Protocol mismatch, no or invalid protocol version given in CAPAB START"; - Anope::QuitReason = "Protocol mismatch, no or invalid protocol version given in CAPAB START"; - Anope::Quitting = true; - return; - } - - /* reset CAPAB */ - Servers::Capab.clear(); - IRCD->CanSQLineChannel = false; - IRCD->CanSVSHold = false; - IRCD->DefaultPseudoclientModes = "+oI"; - } - else if (params[0].equals_cs("CHANMODES") && params.size() > 1) - { - spacesepstream ssep(params[1]); - Anope::string capab; - - while (ssep.GetToken(capab)) - { - ModeInfo mode; - if (!ParseMode(capab, mode)) - continue; - - ChannelMode *cm = NULL; - if (mode.name.equals_cs("admin")) - cm = new ChannelModeStatus("PROTECT", mode.letter, mode.symbol, mode.level); - else if (mode.name.equals_cs("allowinvite")) - { - cm = new ChannelMode("ALLINVITE", mode.letter); - ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("INVITEBAN", "BAN", 'A')); - } - else if (mode.name.equals_cs("auditorium")) - cm = new ChannelMode("AUDITORIUM", mode.letter); - else if (mode.name.equals_cs("autoop")) - cm = new InspIRCdAutoOpMode(mode.letter); - else if (mode.name.equals_cs("ban")) - cm = new ChannelModeList("BAN", mode.letter); - else if (mode.name.equals_cs("banexception")) - cm = new ChannelModeList("EXCEPT", mode.letter); - else if (mode.name.equals_cs("blockcaps")) - { - cm = new ChannelMode("BLOCKCAPS", mode.letter); - ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("BLOCKCAPSBAN", "BAN", 'B')); - } - else if (mode.name.equals_cs("blockcolor")) - { - cm = new ChannelMode("BLOCKCOLOR", mode.letter); - ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("BLOCKCOLORBAN", "BAN", 'c')); - } - else if (mode.name.equals_cs("c_registered")) - cm = new ChannelModeNoone("REGISTERED", mode.letter); - else if (mode.name.equals_cs("censor")) - cm = new ChannelMode("CENSOR", mode.letter); - else if (mode.name.equals_cs("delayjoin")) - cm = new ChannelMode("DELAYEDJOIN", mode.letter); - else if (mode.name.equals_cs("delaymsg")) - cm = new SimpleNumberParamMode("DELAYMSG", mode.letter); - else if (mode.name.equals_cs("filter")) - cm = new ChannelModeList("FILTER", mode.letter); - else if (mode.name.equals_cs("flood")) - cm = new ChannelModeFlood(mode.letter); - else if (mode.name.equals_cs("founder")) - cm = new ChannelModeStatus("OWNER", mode.letter, mode.symbol, mode.level); - else if (mode.name.equals_cs("halfop")) - cm = new ChannelModeStatus("HALFOP", mode.letter, mode.symbol, mode.level); - else if (mode.name.equals_cs("history")) - cm = new ChannelModeHistory(mode.letter); - else if (mode.name.equals_cs("invex")) - cm = new ChannelModeList("INVITEOVERRIDE", mode.letter); - else if (mode.name.equals_cs("inviteonly")) - cm = new ChannelMode("INVITE", mode.letter); - else if (mode.name.equals_cs("joinflood")) - cm = new ColonDelimitedParamMode("JOINFLOOD", mode.letter); - else if (mode.name.equals_cs("key")) - cm = new ChannelModeKey(mode.letter); - else if (mode.name.equals_cs("kicknorejoin")) - cm = new SimpleNumberParamMode("NOREJOIN", mode.letter); - else if (mode.name.equals_cs("limit")) - cm = new ChannelModeParam("LIMIT", mode.letter, true); - else if (mode.name.equals_cs("moderated")) - cm = new ChannelMode("MODERATED", mode.letter); - else if (mode.name.equals_cs("nickflood")) - cm = new ColonDelimitedParamMode("NICKFLOOD", mode.letter); - else if (mode.name.equals_cs("noctcp")) - { - cm = new ChannelMode("NOCTCP", mode.letter); - ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("NOCTCPBAN", "BAN", 'C')); - } - else if (mode.name.equals_cs("noextmsg")) - cm = new ChannelMode("NOEXTERNAL", mode.letter); - else if (mode.name.equals_cs("nokick")) - { - cm = new ChannelMode("NOKICK", mode.letter); - ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("NOKICKBAN", "BAN", 'Q')); - } - else if (mode.name.equals_cs("noknock")) - cm = new ChannelMode("NOKNOCK", mode.letter); - else if (mode.name.equals_cs("nonick")) - { - cm = new ChannelMode("NONICK", mode.letter); - ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("NONICKBAN", "BAN", 'N')); - } - else if (mode.name.equals_cs("nonotice")) - { - cm = new ChannelMode("NONOTICE", mode.letter); - ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("NONOTICEBAN", "BAN", 'T')); - } - else if (mode.name.equals_cs("official-join")) - cm = new ChannelModeStatus("OFFICIALJOIN", mode.letter, mode.symbol, mode.level); - else if (mode.name.equals_cs("op")) - cm = new ChannelModeStatus("OP", mode.letter, mode.symbol, mode.level); - else if (mode.name.equals_cs("operonly")) - { - cm = new ChannelModeOperOnly("OPERONLY", mode.letter); - ModeManager::AddChannelMode(new InspIRCdExtban::OperTypeMatcher("OPERTYPEBAN", "BAN", 'O')); - } - else if (mode.name.equals_cs("operprefix")) - cm = new ChannelModeStatus("OPERPREFIX", mode.letter, mode.symbol, mode.level); - else if (mode.name.equals_cs("permanent")) - cm = new ChannelMode("PERM", mode.letter); - else if (mode.name.equals_cs("private")) - cm = new ChannelMode("PRIVATE", mode.letter); - else if (mode.name.equals_cs("redirect")) - cm = new ChannelModeRedirect(mode.letter); - else if (mode.name.equals_cs("reginvite")) - cm = new ChannelMode("REGISTEREDONLY", mode.letter); - else if (mode.name.equals_cs("regmoderated")) - cm = new ChannelMode("REGMODERATED", mode.letter); - else if (mode.name.equals_cs("secret")) - cm = new ChannelMode("SECRET", mode.letter); - else if (mode.name.equals_cs("sslonly")) - { - cm = new ChannelMode("SSL", mode.letter); - ModeManager::AddChannelMode(new InspIRCdExtban::FingerprintMatcher("SSLBAN", "BAN", 'z')); - } - else if (mode.name.equals_cs("stripcolor")) - { - cm = new ChannelMode("STRIPCOLOR", mode.letter); - ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("STRIPCOLORBAN", "BAN", 'S')); - } - else if (mode.name.equals_cs("topiclock")) - cm = new ChannelMode("TOPIC", mode.letter); - else if (mode.name.equals_cs("voice")) - cm = new ChannelModeStatus("VOICE", mode.letter, mode.symbol, mode.level); - - // Handle unknown modes. - else if (mode.type.equals_cs("list")) - cm = new ChannelModeList(mode.name.upper(), mode.letter); - else if (mode.type.equals_cs("param-set")) - cm = new ChannelModeParam(mode.name.upper(), mode.letter, true); - else if (mode.type.equals_cs("param")) - cm = new ChannelModeParam(mode.name.upper(), mode.letter, false); - else if (mode.type.equals_cs("prefix")) - cm = new ChannelModeStatus(mode.name.upper(), mode.letter, mode.symbol, mode.level); - else if (mode.type.equals_cs("simple")) - cm = new ChannelMode(mode.name.upper(), mode.letter); - else - Log(LOG_DEBUG) << "Unknown channel mode: " << capab; - - if (cm) - ModeManager::AddChannelMode(cm); - } - } - if (params[0].equals_cs("USERMODES") && params.size() > 1) - { - spacesepstream ssep(params[1]); - Anope::string capab; - - while (ssep.GetToken(capab)) - { - ModeInfo mode; - if (!ParseMode(capab, mode)) - continue; - - UserMode *um = NULL; - if (mode.name.equals_cs("bot")) - { - um = new UserMode("BOT", mode.letter); - IRCD->DefaultPseudoclientModes += mode.letter; - } - else if (mode.name.equals_cs("callerid")) - um = new UserMode("CALLERID", mode.letter); - else if (mode.name.equals_cs("cloak")) - um = new UserMode("CLOAK", mode.letter); - else if (mode.name.equals_cs("deaf")) - um = new UserMode("DEAF", mode.letter); - else if (mode.name.equals_cs("deaf_commonchan")) - um = new UserMode("COMMONCHANS", mode.letter); - else if (mode.name.equals_cs("helpop")) - um = new UserModeOperOnly("HELPOP", mode.letter); - else if (mode.name.equals_cs("hidechans")) - um = new UserMode("PRIV", mode.letter); - else if (mode.name.equals_cs("hideoper")) - um = new UserModeOperOnly("HIDEOPER", mode.letter); - else if (mode.name.equals_cs("invisible")) - um = new UserMode("INVIS", mode.letter); - else if (mode.name.equals_cs("invis-oper")) - um = new UserModeOperOnly("INVISIBLE_OPER", mode.letter); - else if (mode.name.equals_cs("oper")) - um = new UserModeOperOnly("OPER", mode.letter); - else if (mode.name.equals_cs("regdeaf")) - um = new UserMode("REGPRIV", mode.letter); - else if (mode.name.equals_cs("servprotect")) - { - um = new UserModeNoone("PROTECTED", mode.letter); - IRCD->DefaultPseudoclientModes += mode.letter; - } - else if (mode.name.equals_cs("showwhois")) - um = new UserMode("WHOIS", mode.letter); - else if (mode.name.equals_cs("u_censor")) - um = new UserMode("CENSOR", mode.letter); - else if (mode.name.equals_cs("u_registered")) - um = new UserModeNoone("REGISTERED", mode.letter); - else if (mode.name.equals_cs("u_stripcolor")) - um = new UserMode("STRIPCOLOR", mode.letter); - else if (mode.name.equals_cs("wallops")) - um = new UserMode("WALLOPS", mode.letter); - - // Handle unknown modes. - else if (mode.type.equals_cs("param-set")) - um = new UserModeParam(mode.name.upper(), mode.letter); - else if (mode.type.equals_cs("simple")) - um = new UserMode(mode.name.upper(), mode.letter); - else - Log(LOG_DEBUG) << "Unknown user mode: " << capab; - - if (um) - ModeManager::AddUserMode(um); - } - } - else if (params[0].equals_cs("MODULES") && params.size() > 1) - { - spacesepstream ssep(params[1]); - Anope::string module; - - while (ssep.GetToken(module)) - { - if (module.equals_cs("m_svshold.so")) - IRCD->CanSVSHold = true; - else if (module.find("m_rline.so") == 0) - { - Servers::Capab.insert("RLINE"); - const Anope::string ®exengine = Config->GetBlock("options")->Get<const Anope::string>("regexengine"); - if (!regexengine.empty() && module.length() > 11 && regexengine != module.substr(11)) - Log() << "Warning: InspIRCd is using regex engine " << module.substr(11) << ", but we have " << regexengine << ". This may cause inconsistencies."; - } - else if (module.equals_cs("m_topiclock.so")) - Servers::Capab.insert("TOPICLOCK"); - else if (module.equals_cs("m_cban.so=glob")) - IRCD->CanSQLineChannel = true; - } - } - else if (params[0].equals_cs("MODSUPPORT") && params.size() > 1) - { - spacesepstream ssep(params[1]); - Anope::string module; - - while (ssep.GetToken(module)) - { - if (module.equals_cs("m_services_account.so")) - { - Servers::Capab.insert("SERVICES"); - ModeManager::AddChannelMode(new InspIRCdExtban::AccountMatcher("ACCOUNTBAN", "BAN", 'R')); - ModeManager::AddChannelMode(new InspIRCdExtban::UnidentifiedMatcher("UNREGISTEREDBAN", "BAN", 'U')); - } - else if (module.equals_cs("m_chghost.so")) - Servers::Capab.insert("CHGHOST"); - else if (module.equals_cs("m_chgident.so")) - Servers::Capab.insert("CHGIDENT"); - else if (module == "m_channelban.so") - ModeManager::AddChannelMode(new InspIRCdExtban::ChannelMatcher("CHANNELBAN", "BAN", 'j')); - else if (module == "m_gecosban.so") - ModeManager::AddChannelMode(new InspIRCdExtban::RealnameMatcher("REALNAMEBAN", "BAN", 'r')); - else if (module == "m_nopartmsg.so") - ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("PARTMESSAGEBAN", "BAN", 'p')); - else if (module == "m_serverban.so") - ModeManager::AddChannelMode(new InspIRCdExtban::ServerMatcher("SERVERBAN", "BAN", 's')); - else if (module == "m_muteban.so") - ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("QUIET", "BAN", 'm')); - } - } - else if (params[0].equals_cs("CAPABILITIES") && params.size() > 1) - { - spacesepstream ssep(params[1]); - Anope::string capab; - while (ssep.GetToken(capab)) - { - if (capab.find("MAXMODES=") != Anope::string::npos) - { - Anope::string maxmodes(capab.begin() + 9, capab.end()); - IRCD->MaxModes = maxmodes.is_pos_number_only() ? convertTo<unsigned>(maxmodes) : 3; - } - else if (capab == "GLOBOPS=1") - Servers::Capab.insert("GLOBOPS"); - } - } - else if (params[0].equals_cs("END")) - { - if (!Servers::Capab.count("SERVICES")) - { - UplinkSocket::Message() << "ERROR :The services_account module is not loaded. This is required by Anope"; - Anope::QuitReason = "ERROR: Remote server does not have the services_account module loaded, and this is required."; - Anope::Quitting = true; - return; - } - if (!ModeManager::FindUserModeByName("PRIV")) - { - UplinkSocket::Message() << "ERROR :The hidechans module is not loaded. This is required by Anope"; - Anope::QuitReason = "ERROR: Remote server does not have the hidechans module loaded, and this is required."; - Anope::Quitting = true; - return; - } - if (!IRCD->CanSVSHold) - Log() << "The remote server does not have the svshold module; fake users will be used for nick protection until the module is loaded."; - if (!IRCD->CanSQLineChannel) - Log() << "The remote server does not have the cban module; services will manually enforce forbidden channels until the module is loaded."; - if (!Servers::Capab.count("CHGHOST")) - Log() << "The remote server does not have the chghost module; vhosts are disabled until the module is loaded."; - if (!Servers::Capab.count("CHGIDENT")) - Log() << "The remote server does not have the chgident module; vidents are disabled until the module is loaded."; - if (!Servers::Capab.count("GLOBOPS")) - Log() << "The remote server does not have the globops module; oper notices will be sent as announcements until the module is loaded."; - } - - Message::Capab::Run(source, params); - } -}; - -struct IRCDMessageEncap : IRCDMessage -{ - IRCDMessageEncap(Module *creator) : IRCDMessage(creator, "ENCAP", 4) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - if (!Anope::Match(Me->GetSID(), params[0]) && !Anope::Match(Me->GetName(), params[0])) - return; - - if (params[1] == "CHGIDENT") - { - User *u = User::Find(params[2]); - if (!u || u->server != Me) - return; - - u->SetIdent(params[3]); - UplinkSocket::Message(u) << "FIDENT :" << params[3]; - } - else if (params[1] == "CHGHOST") - { - User *u = User::Find(params[2]); - if (!u || u->server != Me) - return; - - u->SetDisplayedHost(params[3]); - UplinkSocket::Message(u) << "FHOST :" << params[3]; - } - else if (params[1] == "CHGNAME") - { - User *u = User::Find(params[2]); - if (!u || u->server != Me) - return; - - u->SetRealname(params[3]); - UplinkSocket::Message(u) << "FNAME :" << params[3]; - } - else if (SASL::sasl && params[1] == "SASL" && params.size() >= 6) - { - SASL::Message m; - m.source = params[2]; - m.target = params[3]; - m.type = params[4]; - m.data = params[5]; - m.ext = params.size() > 6 ? params[6] : ""; - - SASL::sasl->ProcessMessage(m); - } - } -}; - -struct IRCDMessageFHost : IRCDMessage -{ - IRCDMessageFHost(Module *creator) : IRCDMessage(creator, "FHOST", 1) { SetFlag(IRCDMESSAGE_REQUIRE_USER); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - User *u = source.GetUser(); - if (u->HasMode("CLOAK")) - u->RemoveModeInternal(source, ModeManager::FindUserModeByName("CLOAK")); - u->SetDisplayedHost(params[0]); - } -}; - -struct IRCDMessageFIdent : IRCDMessage -{ - IRCDMessageFIdent(Module *creator) : IRCDMessage(creator, "FIDENT", 1) { SetFlag(IRCDMESSAGE_REQUIRE_USER); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - source.GetUser()->SetIdent(params[0]); - } -}; - -struct IRCDMessageKick : IRCDMessage -{ - IRCDMessageKick(Module *creator) : IRCDMessage(creator, "KICK", 3) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - // Received: :715AAAAAA KICK #chan 715AAAAAD :reason - // Received: :715AAAAAA KICK #chan 628AAAAAA 4 :reason - Channel *c = Channel::Find(params[0]); - if (!c) - return; - - const Anope::string &reason = params.size() > 3 ? params[3] : params[2]; - c->KickInternal(source, params[1], reason); - } -}; - -struct IRCDMessageSave : IRCDMessage -{ - time_t last_collide; - - IRCDMessageSave(Module *creator) : IRCDMessage(creator, "SAVE", 2), last_collide(0) { } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - User *targ = User::Find(params[0]); - time_t ts; - - try - { - ts = convertTo<time_t>(params[1]); - } - catch (const ConvertException &) - { - return; - } - - if (!targ || targ->timestamp != ts) - return; - - BotInfo *bi; - if (targ->server == Me && (bi = dynamic_cast<BotInfo *>(targ))) - { - if (last_collide == Anope::CurTime) - { - Anope::QuitReason = "Nick collision fight on " + targ->nick; - Anope::Quitting = true; - return; - } - - IRCD->SendKill(Me, targ->nick, "Nick collision"); - IRCD->SendNickChange(targ, targ->nick); - last_collide = Anope::CurTime; - } - else - targ->ChangeNick(targ->GetUID()); - } -}; - -class IRCDMessageMetadata : IRCDMessage -{ - const bool &do_topiclock; - const bool &do_mlock; - PrimitiveExtensibleItem<ListLimits> &maxlist; - - public: - IRCDMessageMetadata(Module *creator, const bool &handle_topiclock, const bool &handle_mlock, PrimitiveExtensibleItem<ListLimits> &listlimits) : IRCDMessage(creator, "METADATA", 3), do_topiclock(handle_topiclock), do_mlock(handle_mlock), maxlist(listlimits) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - // We deliberately ignore non-bursting servers to avoid pseudoserver fights - // Channel METADATA has an additional parameter: the channel TS - // Received: :715 METADATA #chan 1572026333 mlock :nt - if ((params[0][0] == '#') && (params.size() > 3) && (!source.GetServer()->IsSynced())) - { - Channel *c = Channel::Find(params[0]); - if (c) - { - if ((c->ci) && (do_mlock) && (params[2] == "mlock")) - { - ModeLocks *modelocks = c->ci->GetExt<ModeLocks>("modelocks"); - Anope::string modes; - if (modelocks) - modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", ""); - - // Mode lock string is not what we say it is? - if (modes != params[3]) - UplinkSocket::Message(Me) << "METADATA " << c->name << " " << c->creation_time << " mlock :" << modes; - } - else if ((c->ci) && (do_topiclock) && (params[2] == "topiclock")) - { - bool mystate = c->ci->HasExt("TOPICLOCK"); - bool serverstate = (params[3] == "1"); - if (mystate != serverstate) - UplinkSocket::Message(Me) << "METADATA " << c->name << " " << c->creation_time << " topiclock :" << (mystate ? "1" : ""); - } - else if (params[2] == "maxlist") - { - ListLimits limits; - spacesepstream limitstream(params[3]); - Anope::string modechr, modelimit; - while (limitstream.GetToken(modechr) && limitstream.GetToken(modelimit)) - { - limits.insert(std::make_pair(modechr[0], convertTo<unsigned>(modelimit))); - } - maxlist.Set(c, limits); - } - } - } - else if (isdigit(params[0][0])) - { - if (params[1].equals_cs("accountname")) - { - User *u = User::Find(params[0]); - NickCore *nc = NickCore::Find(params[2]); - if (u && nc) - u->Login(nc); - } - - /* - * possible incoming ssl_cert messages: - * Received: :409 METADATA 409AAAAAA ssl_cert :vTrSe c38070ce96e41cc144ed6590a68d45a6 <...> <...> - * Received: :409 METADATA 409AAAAAC ssl_cert :vTrSE Could not get peer certificate: error:00000000:lib(0):func(0):reason(0) - */ - else if (params[1].equals_cs("ssl_cert")) - { - User *u = User::Find(params[0]); - if (!u) - return; - u->Extend<bool>("ssl"); - Anope::string data = params[2].c_str(); - size_t pos1 = data.find(' ') + 1; - size_t pos2 = data.find(' ', pos1); - if ((pos2 - pos1) >= 32) // inspircd supports md5 and sha1 fingerprint hashes -> size 32 or 40 bytes. - { - u->fingerprint = data.substr(pos1, pos2 - pos1); - } - FOREACH_MOD(OnFingerprint, (u)); - } - } - else if (params[0] == "*") - { - // Wed Oct 3 15:40:27 2012: S[14] O :20D METADATA * modules :-m_svstopic.so - - if (params[1].equals_cs("modules") && !params[2].empty()) - { - // only interested when it comes from our uplink - Server* server = source.GetServer(); - if (!server || server->GetUplink() != Me) - return; - - bool plus = (params[2][0] == '+'); - if (!plus && params[2][0] != '-') - return; - - bool required = false; - Anope::string capab, module = params[2].substr(1); - - if (module.equals_cs("m_services_account.so")) - required = true; - else if (module.equals_cs("m_hidechans.so")) - required = true; - else if (module.equals_cs("m_cban.so=glob") && plus) - IRCD->CanSQLineChannel = true; - if (module.equals_cs("m_cban.so") && !plus) - IRCD->CanSQLineChannel = false; - else if (module.equals_cs("m_chghost.so")) - capab = "CHGHOST"; - else if (module.equals_cs("m_chgident.so")) - capab = "CHGIDENT"; - else if (module.equals_cs("m_svshold.so")) - IRCD->CanSVSHold = plus; - else if (module.equals_cs("m_rline.so")) - capab = "RLINE"; - else if (module.equals_cs("m_topiclock.so")) - capab = "TOPICLOCK"; - else - return; - - if (required) - { - if (!plus) - Log() << "Warning: InspIRCd unloaded module " << module << ", Anope won't function correctly without it"; - } - else - { - if (plus && !capab.empty()) - Servers::Capab.insert(capab); - else if (!capab.empty()) - Servers::Capab.erase(capab); - - Log() << "InspIRCd " << (plus ? "loaded" : "unloaded") << " module " << module << ", adjusted functionality"; - } - - } - } - } -}; - -struct IRCDMessageEndburst : IRCDMessage -{ - IRCDMessageEndburst(Module *creator) : IRCDMessage(creator, "ENDBURST", 0) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - Server *s = source.GetServer(); - - Log(LOG_DEBUG) << "Processed ENDBURST for " << s->GetName(); - - s->Sync(true); - } -}; - -struct IRCDMessageFJoin : IRCDMessage -{ - IRCDMessageFJoin(Module *creator) : IRCDMessage(creator, "FJOIN", 2) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - Anope::string modes; - if (params.size() >= 3) - { - for (unsigned i = 2; i < params.size() - 1; ++i) - modes += " " + params[i]; - if (!modes.empty()) - modes.erase(modes.begin()); - } - - std::list<Message::Join::SJoinUser> users; - - spacesepstream sep(params[params.size() - 1]); - Anope::string buf; - while (sep.GetToken(buf)) - { - Message::Join::SJoinUser sju; - - /* Loop through prefixes and find modes for them */ - for (char c; (c = buf[0]) != ',' && c;) - { - buf.erase(buf.begin()); - sju.first.AddMode(c); - } - /* Erase the , */ - if (!buf.empty()) - buf.erase(buf.begin()); - - /* Erase the :membid */ - if (!buf.empty()) - { - Anope::string::size_type membid = buf.find(':'); - if (membid != Anope::string::npos) - buf.erase(membid, Anope::string::npos); - } - - sju.second = User::Find(buf); - if (!sju.second) - { - Log(LOG_DEBUG) << "FJOIN for nonexistent user " << buf << " on " << params[0]; - continue; - } - - users.push_back(sju); - } - - time_t ts = Anope::string(params[1]).is_pos_number_only() ? convertTo<time_t>(params[1]) : Anope::CurTime; - Message::Join::SJoin(source, params[0], ts, modes, users); - } -}; - -struct IRCDMessageFMode : IRCDMessage -{ - IRCDMessageFMode(Module *creator) : IRCDMessage(creator, "FMODE", 3) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - /* :source FMODE #test 12345678 +nto foo */ - - Anope::string modes = params[2]; - for (unsigned n = 3; n < params.size(); ++n) - modes += " " + params[n]; - - Channel *c = Channel::Find(params[0]); - time_t ts; - - try - { - ts = convertTo<time_t>(params[1]); - } - catch (const ConvertException &) - { - ts = 0; - } - - if (c) - c->SetModesInternal(source, modes, ts); - } -}; - -struct IRCDMessageFTopic : IRCDMessage -{ - IRCDMessageFTopic(Module *creator) : IRCDMessage(creator, "FTOPIC", 4) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - // :source FTOPIC channel ts topicts :topic - // :source FTOPIC channel ts topicts setby :topic (burst or RESYNC) - - const Anope::string &setby = params.size() > 4 ? params[3] : source.GetName(); - const Anope::string &topic = params.size() > 4 ? params[4] : params[3]; - - Channel *c = Channel::Find(params[0]); - if (c) - c->ChangeTopicInternal(NULL, setby, topic, params[2].is_pos_number_only() ? convertTo<time_t>(params[2]) : Anope::CurTime); - } -}; - -struct IRCDMessageIdle : IRCDMessage -{ - IRCDMessageIdle(Module *creator) : IRCDMessage(creator, "IDLE", 1) { } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - BotInfo *bi = BotInfo::Find(params[0]); - if (bi) - UplinkSocket::Message(bi) << "IDLE " << source.GetSource() << " " << Anope::StartTime << " " << (Anope::CurTime - bi->lastmsg); - else - { - User *u = User::Find(params[0]); - if (u && u->server == Me) - UplinkSocket::Message(u) << "IDLE " << source.GetSource() << " " << Anope::StartTime << " 0"; - } - } -}; - -struct IRCDMessageIJoin : IRCDMessage -{ - IRCDMessageIJoin(Module *creator) : IRCDMessage(creator, "IJOIN", 2) { SetFlag(IRCDMESSAGE_REQUIRE_USER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - // :<uid> IJOIN <chan> <membid> [<ts> [<flags>]] - Channel *c = Channel::Find(params[0]); - if (!c) - { - // When receiving an IJOIN, first check if the target channel exists. If it does not exist, - // ignore the join (that is, do not create the channel) and send a RESYNC back to the source. - UplinkSocket::Message(Me) << "RESYNC :" << params[0]; - return; - } - - // If the channel does exist then join the user, and in case any prefix modes were sent (found in - // the 3rd parameter), compare the TS of the channel to the TS in the IJOIN (2nd parameter). If - // the timestamps match, set the modes on the user, otherwise ignore the modes. - Message::Join::SJoinUser user; - user.second = source.GetUser(); - - time_t chants = Anope::CurTime; - if (params.size() >= 4) - { - chants = params[2].is_pos_number_only() ? convertTo<time_t>(params[2]) : 0; - for (unsigned i = 0; i < params[3].length(); ++i) - user.first.AddMode(params[3][i]); - } - - std::list<Message::Join::SJoinUser> users; - users.push_back(user); - Message::Join::SJoin(source, params[0], chants, "", users); - } -}; - -struct IRCDMessageMode : IRCDMessage -{ - IRCDMessageMode(Module *creator) : IRCDMessage(creator, "MODE", 2) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - if (IRCD->IsChannelValid(params[0])) - { - Channel *c = Channel::Find(params[0]); - - Anope::string modes = params[1]; - for (unsigned n = 2; n < params.size(); ++n) - modes += " " + params[n]; - - if (c) - c->SetModesInternal(source, modes); - } - else - { - /* InspIRCd lets opers change another - users modes, we have to kludge this - as it slightly breaks RFC1459 - */ - User *u = User::Find(params[0]); - if (u) - u->SetModesInternal(source, "%s", params[1].c_str()); - } - } -}; - -struct IRCDMessageNick : IRCDMessage -{ - IRCDMessageNick(Module *creator) : IRCDMessage(creator, "NICK", 2) { SetFlag(IRCDMESSAGE_REQUIRE_USER); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - source.GetUser()->ChangeNick(params[0]); - } -}; - -struct IRCDMessageOperType : IRCDMessage -{ - PrimitiveExtensibleItem<Anope::string> opertype; - - IRCDMessageOperType(Module *creator) : IRCDMessage(creator, "OPERTYPE", 1), opertype(creator, "opertype") { SetFlag(IRCDMESSAGE_REQUIRE_USER); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - /* opertype is equivalent to mode +o because servers - don't do this directly */ - User *u = source.GetUser(); - if (!u->HasMode("OPER")) - u->SetModesInternal(source, "+o"); - - opertype.Set(u, params[0]); - } -}; - -struct IRCDMessagePing : IRCDMessage -{ - IRCDMessagePing(Module *creator) : IRCDMessage(creator, "PING", 1) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); SetFlag(IRCDMESSAGE_REQUIRE_SERVER); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - if (params[0] == Me->GetSID()) - IRCD->SendPong(params[0], source.GetServer()->GetSID()); - } -}; - -struct IRCDMessageRSQuit : IRCDMessage -{ - IRCDMessageRSQuit(Module *creator) : IRCDMessage(creator, "RSQUIT", 1) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - Server *s = Server::Find(params[0]); - const Anope::string &reason = params.size() > 1 ? params[1] : ""; - if (!s) - return; - - UplinkSocket::Message(Me) << "SQUIT " << s->GetSID() << " :" << reason; - s->Delete(s->GetName() + " " + s->GetUplink()->GetName()); - } -}; - -struct IRCDMessageServer : IRCDMessage -{ - IRCDMessageServer(Module *creator) : IRCDMessage(creator, "SERVER", 3) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - if (!source.GetServer() && params.size() == 5) - { - /* - * SERVER testnet.inspircd.org hunter7 0 123 :InspIRCd Test Network - * 0: name - * 1: pass - * 2: hops - * 3: numeric - * 4: desc - */ - unsigned int hops = Anope::string(params[2]).is_pos_number_only() ? convertTo<unsigned>(params[2]) : 0; - new Server(Me, params[0], hops, params[4], params[3]); - } - else if (source.GetServer()) - { - /* - * SERVER testnet.inspircd.org 123 burst=1234 hidden=0 :InspIRCd Test Network - * 0: name - * 1: numeric - * 2 to N-1: various key=value pairs. - * N: desc - */ - new Server(source.GetServer(), params[0], 1, params.back(), params[1]); - } - } -}; - -struct IRCDMessageSQuit : Message::SQuit -{ - IRCDMessageSQuit(Module *creator) : Message::SQuit(creator) { } - - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - if (params[0] == rsquit_id || params[0] == rsquit_server) - { - /* squit for a recently squit server, introduce the juped server now */ - Server *s = Server::Find(rsquit_server); - - rsquit_id.clear(); - rsquit_server.clear(); - - if (s && s->IsJuped()) - IRCD->SendServer(s); - } - else - Message::SQuit::Run(source, params); - } -}; - -struct IRCDMessageUID : IRCDMessage -{ - IRCDMessageUID(Module *creator) : IRCDMessage(creator, "UID", 8) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); } - - /* - * [Nov 03 22:09:58.176252 2009] debug: Received: :964 UID 964AAAAAC 1225746297 w00t2 localhost testnet.user w00t 127.0.0.1 1225746302 +iosw +ACGJKLNOQcdfgjklnoqtx :Robin Burchell <w00t@inspircd.org> - * 0: uid - * 1: ts - * 2: nick - * 3: host - * 4: dhost - * 5: ident - * 6: ip - * 7: signon - * 8+: modes and params -- IMPORTANT, some modes (e.g. +s) may have parameters. So don't assume a fixed position of realname! - * last: realname - */ - void Run(MessageSource &source, const std::vector<Anope::string> ¶ms) anope_override - { - time_t ts = convertTo<time_t>(params[1]); - - Anope::string modes = params[8]; - for (unsigned i = 9; i < params.size() - 1; ++i) - modes += " " + params[i]; - - NickAlias *na = NULL; - if (SASL::sasl) - for (std::list<SASLUser>::iterator it = saslusers.begin(); it != saslusers.end();) - { - SASLUser &u = *it; - - if (u.created + 30 < Anope::CurTime) - it = saslusers.erase(it); - else if (u.uid == params[0]) - { - na = NickAlias::Find(u.acc); - it = saslusers.erase(it); - } - else - ++it; - } - - User *u = User::OnIntroduce(params[2], params[5], params[3], params[4], params[6], source.GetServer(), params[params.size() - 1], ts, modes, params[0], na ? *na->nc : NULL); - if (u) - u->signon = convertTo<time_t>(params[7]); - } -}; - -class ProtoInspIRCd3 : public Module -{ - InspIRCd3Proto ircd_proto; - ExtensibleItem<bool> ssl; - - /* Core message handlers */ - Message::Error message_error; - Message::Invite message_invite; - Message::Kill message_kill; - Message::MOTD message_motd; - Message::Notice message_notice; - Message::Part message_part; - Message::Privmsg message_privmsg; - Message::Quit message_quit; - Message::Stats message_stats; - Message::Time message_time; - - /* Our message handlers */ - IRCDMessageAway message_away; - IRCDMessageCapab message_capab; - IRCDMessageEncap message_encap; - IRCDMessageEndburst message_endburst; - IRCDMessageFHost message_fhost; - IRCDMessageFIdent message_fident; - IRCDMessageFJoin message_fjoin; - IRCDMessageFMode message_fmode; - IRCDMessageFTopic message_ftopic; - IRCDMessageIdle message_idle; - IRCDMessageIJoin message_ijoin; - IRCDMessageKick message_kick; - IRCDMessageMetadata message_metadata; - IRCDMessageMode message_mode; - IRCDMessageNick message_nick; - IRCDMessageOperType message_opertype; - IRCDMessagePing message_ping; - IRCDMessageRSQuit message_rsquit; - IRCDMessageSave message_save; - IRCDMessageServer message_server; - IRCDMessageSQuit message_squit; - IRCDMessageUID message_uid; - - bool use_server_side_topiclock, use_server_side_mlock; - - void SendChannelMetadata(Channel *c, const Anope::string &metadataname, const Anope::string &value) - { - UplinkSocket::Message(Me) << "METADATA " << c->name << " " << c->creation_time << " " << metadataname << " :" << value; - } - - public: - ProtoInspIRCd3(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, PROTOCOL | VENDOR), - ircd_proto(this), ssl(this, "ssl"), - message_error(this), message_invite(this), message_kill(this), message_motd(this), message_notice(this), - message_part(this), message_privmsg(this), message_quit(this), message_stats(this), message_time(this), - message_away(this), message_capab(this), message_encap(this), message_endburst(this), message_fhost(this), - message_fident(this), message_fjoin(this), message_fmode(this), message_ftopic(this), message_idle(this), - message_ijoin(this), message_kick(this), message_metadata(this, use_server_side_topiclock, use_server_side_mlock, ircd_proto.maxlist), - message_mode(this), message_nick(this), message_opertype(this), message_ping(this), message_rsquit(this), - message_save(this), message_server(this), message_squit(this), message_uid(this) - { - } - - void OnReload(Configuration::Conf *conf) anope_override - { - use_server_side_topiclock = conf->GetModule(this)->Get<bool>("use_server_side_topiclock"); - use_server_side_mlock = conf->GetModule(this)->Get<bool>("use_server_side_mlock"); - } - - void OnUserNickChange(User *u, const Anope::string &) anope_override - { - u->RemoveModeInternal(Me, ModeManager::FindUserModeByName("REGISTERED")); - } - - void OnChannelSync(Channel *c) anope_override - { - if (c->ci) - this->OnChanRegistered(c->ci); - } - - void OnChanRegistered(ChannelInfo *ci) anope_override - { - ModeLocks *modelocks = ci->GetExt<ModeLocks>("modelocks"); - if (use_server_side_mlock && ci->c && modelocks && !modelocks->GetMLockAsString(false).empty()) - { - Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", ""); - SendChannelMetadata(ci->c, "mlock", modes); - } - - if (use_server_side_topiclock && Servers::Capab.count("TOPICLOCK") && ci->c) - { - if (ci->HasExt("TOPICLOCK")) - SendChannelMetadata(ci->c, "topiclock", "1"); - } - } - - void OnDelChan(ChannelInfo *ci) anope_override - { - if (use_server_side_mlock && ci->c) - SendChannelMetadata(ci->c, "mlock", ""); - - if (use_server_side_topiclock && Servers::Capab.count("TOPICLOCK") && ci->c) - SendChannelMetadata(ci->c, "topiclock", ""); - } - - EventReturn OnMLock(ChannelInfo *ci, ModeLock *lock) anope_override - { - ModeLocks *modelocks = ci->GetExt<ModeLocks>("modelocks"); - ChannelMode *cm = ModeManager::FindChannelModeByName(lock->name); - if (use_server_side_mlock && cm && ci->c && modelocks && (cm->type == MODE_REGULAR || cm->type == MODE_PARAM)) - { - Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "") + cm->mchar; - SendChannelMetadata(ci->c, "mlock", modes); - } - - return EVENT_CONTINUE; - } - - EventReturn OnUnMLock(ChannelInfo *ci, ModeLock *lock) anope_override - { - ModeLocks *modelocks = ci->GetExt<ModeLocks>("modelocks"); - ChannelMode *cm = ModeManager::FindChannelModeByName(lock->name); - if (use_server_side_mlock && cm && ci->c && modelocks && (cm->type == MODE_REGULAR || cm->type == MODE_PARAM)) - { - Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "").replace_all_cs(cm->mchar, ""); - SendChannelMetadata(ci->c, "mlock", modes); - } - - return EVENT_CONTINUE; - } - - EventReturn OnSetChannelOption(CommandSource &source, Command *cmd, ChannelInfo *ci, const Anope::string &setting) anope_override - { - if (cmd->name == "chanserv/topic" && ci->c) - { - if (setting == "topiclock on") - SendChannelMetadata(ci->c, "topiclock", "1"); - else if (setting == "topiclock off") - SendChannelMetadata(ci->c, "topiclock", "0"); - } - - return EVENT_CONTINUE; - } -}; - -MODULE_INIT(ProtoInspIRCd3) |