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-rw-r--r--modules/protocol/unrealircd.cpp1812
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diff --git a/modules/protocol/unrealircd.cpp b/modules/protocol/unrealircd.cpp
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+/* UnrealIRCd 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 Anope::map<Anope::string> ModData;
+
+namespace
+{
+ Anope::string UplinkSID;
+
+ bool IsExtBan(const Anope::string &str, Anope::string &name, Anope::string &value)
+ {
+ if (str[0] != '~')
+ return false;
+
+ auto endpos = str.find_first_not_of("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", 1);
+ if (endpos == Anope::string::npos || str[endpos] != ':' || endpos+1 == str.length())
+ return false;
+
+ name = str.substr(1, endpos - 1);
+ value = str.substr(endpos + 1);
+ return true;
+ }
+}
+
+class UnrealIRCdProto final
+ : public IRCDProto
+{
+public:
+ PrimitiveExtensibleItem<ModData> ClientModData;
+ PrimitiveExtensibleItem<ModData> ChannelModData;
+
+ UnrealIRCdProto(Module *creator)
+ : IRCDProto(creator, "UnrealIRCd 6+")
+ , ClientModData(creator, "ClientModData")
+ , ChannelModData(creator, "ChannelModData")
+ {
+ DefaultPseudoclientModes = "+BioqS";
+ CanSVSNick = true;
+ CanSVSJoin = true;
+ CanSVSNOOP = true;
+ CanSetVHost = true;
+ CanSetVIdent = true;
+ CanSNLine = true;
+ CanSQLine = true;
+ CanSQLineChannel = true;
+ CanSZLine = true;
+ CanSVSHold = true;
+ CanClearBans = true;
+ CanCertFP = true;
+ CanTagMessage = true;
+ RequiresID = true;
+ MaxModes = 12;
+ }
+
+private:
+ /* SVSNOOP */
+ void SendSVSNOOP(const Server *server, bool set) override
+ {
+ Uplink::Send("SVSNOOP", server->GetSID(), set ? '+' : '-');
+ }
+
+ void SendAkillDel(const XLine *x) override
+ {
+ if (x->IsRegex() || x->HasNickOrReal())
+ return;
+
+ /* ZLine if we can instead */
+ if (x->GetUser() == "*")
+ {
+ cidr a(x->GetHost());
+ if (a.valid())
+ {
+ IRCD->SendSZLineDel(x);
+ return;
+ }
+ }
+
+ Uplink::Send("TKL", '-', 'G', x->GetUser(), x->GetHost(), x->by);
+ }
+
+ void SendTopic(const MessageSource &source, Channel *c) override
+ {
+ Uplink::Send(source, "TOPIC", c->name, c->topic_setter, c->topic_ts, c->topic);
+ }
+
+ void SendGlobalNotice(BotInfo *bi, const Server *dest, const Anope::string &msg) override
+ {
+ Uplink::Send(bi, "NOTICE", "$" + dest->GetName(), msg);
+ }
+
+ void SendGlobalPrivmsg(BotInfo *bi, const Server *dest, const Anope::string &msg) override
+ {
+ Uplink::Send(bi, "PRIVMSG", "$" + dest->GetName(), msg);
+ }
+
+ void SendVHostDel(User *u) override
+ {
+ BotInfo *HostServ = Config->GetClient("HostServ");
+ u->RemoveMode(HostServ, "VHOST");
+ }
+
+ void SendAkill(User *u, XLine *x) override
+ {
+ 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 (const auto &[_, user] : UserListByNick)
+ if (x->manager->Check(user, x))
+ this->SendAkill(user, 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 */
+ auto *xline = new XLine("*@" + u->host, old->by, old->expires, old->reason, old->id);
+ old->manager->AddXLine(xline);
+ x = xline;
+
+ 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 a(x->GetHost());
+ if (a.valid())
+ {
+ IRCD->SendSZLine(u, x);
+ return;
+ }
+ }
+
+ Uplink::Send("TKL", '+', 'G', x->GetUser(), x->GetHost(), x->by, x->expires, x->created, x->GetReason());
+ }
+
+ void SendSVSKill(const MessageSource &source, User *user, const Anope::string &buf) override
+ {
+ Uplink::Send(source, "SVSKILL", user->GetUID(), buf);
+ user->KillInternal(source, buf);
+ }
+
+ void SendModeInternal(const MessageSource &source, User *u, const Anope::string &modes, const std::vector<Anope::string> &values) override
+ {
+ auto params = values;
+ params.insert(params.begin(), { u->GetUID(), modes });
+ Uplink::SendInternal({}, source, "SVS2MODE", params);
+}
+
+ void SendClientIntroduction(User *u) override
+ {
+ Uplink::Send(u->server, "UID", u->nick, 1, u->timestamp, u->GetIdent(), u->host, u->GetUID(), '*', "+" + u->GetModes(),
+ u->vhost.empty() ? "*" : u->vhost, u->chost.empty() ? "*" : u->chost, "*", u->realname);
+ }
+
+ void SendServer(const Server *server) override
+ {
+ if (server == Me)
+ Uplink::Send("SERVER", server->GetName(), server->GetHops() + 1, server->GetDescription());
+ else
+ Uplink::Send("SID", server->GetName(), server->GetHops() + 1, server->GetSID(), server->GetDescription());
+ }
+
+ /* JOIN */
+ void SendJoin(User *user, Channel *c, const ChannelStatus *status) override
+ {
+ Uplink::Send("SJOIN", c->creation_time, c->name, "+" + c->GetModes(true, true), user->GetUID());
+ 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 (auto mode : cs.Modes())
+ c->SetMode(setter, ModeManager::FindChannelModeByChar(mode), user->GetUID(), false);
+
+ if (uc != NULL)
+ uc->status = cs;
+ }
+ }
+
+ /* unsqline
+ */
+ void SendSQLineDel(const XLine *x) override
+ {
+ Uplink::Send("UNSQLINE", x->mask);
+ }
+
+ /* SQLINE */
+ /*
+ ** - Unreal will translate this to TKL for us
+ **
+ */
+ void SendSQLine(User *, const XLine *x) override
+ {
+ Uplink::Send("TKL", '+', 'Q', "*", x->mask, x->by, x->expires, x->created, x->GetReason());
+ }
+
+ /* Functions that use serval cmd functions */
+
+ void SendVHost(User *u, const Anope::string &vident, const Anope::string &vhost) override
+ {
+ if (!vident.empty())
+ Uplink::Send("CHGIDENT", u->GetUID(), vident);
+
+ if (!vhost.empty())
+ Uplink::Send("CHGHOST", u->GetUID(), vhost);
+
+ // Internally unreal sets +xt on chghost
+ BotInfo *bi = Config->GetClient("HostServ");
+ u->SetMode(bi, "CLOAK");
+ u->SetMode(bi, "VHOST");
+ }
+
+ void SendConnect() override
+ {
+ Uplink::Send("PASS", Config->Uplinks[Anope::CurrentUplink].password);
+
+ // BIGLINES: enable sending lines up to 16384 characters in length.
+ // EAUTH: communicates information about the local server.
+ // MLOCK: enable receiving the MLOCK message when a mode lock changes.
+ // MTAGS: enable receiving IRCv3 message tags.
+ // NEXTBANS: enables receiving named extended bans.
+ // SID: communicates the unique identifier of the local server.
+ // VHP: enable receiving the vhost in UID.
+ Uplink::Send("PROTOCTL", "BIGLINES", "MLOCK", "MTAGS", "NEXTBANS", "VHP");
+ Uplink::Send("PROTOCTL", "EAUTH=" + Me->GetName() + ",,,Anope-" + Anope::VersionShort());
+ Uplink::Send("PROTOCTL", "SID=" + Me->GetSID());
+
+ SendServer(Me);
+ }
+
+ void SendSASLMechanisms(std::vector<Anope::string> &mechanisms) override
+ {
+ Anope::string mechlist;
+ for (const auto &mechanism : mechanisms)
+ mechlist += "," + mechanism;
+
+ Uplink::Send("MD", "client", Me->GetName(), "saslmechlist", mechanisms.empty() ? "" : mechlist.substr(1));
+ }
+
+ /* SVSHOLD - set */
+ void SendSVSHold(const Anope::string &nick, time_t t) override
+ {
+ Uplink::Send("TKL", '+', 'Q', 'H', nick, Me->GetName(), Anope::CurTime + t, Anope::CurTime, "Being held for a registered user");
+ }
+
+ /* SVSHOLD - release */
+ void SendSVSHoldDel(const Anope::string &nick) override
+ {
+ Uplink::Send("TKL", '-', 'Q', '*', nick, Me->GetName());
+ }
+
+ /* UNSGLINE */
+ /*
+ * SVSNLINE - :realname mask
+ */
+ void SendSGLineDel(const XLine *x) override
+ {
+ Uplink::Send("SVSNLINE", '-', x->mask);
+ }
+
+ /* UNSZLINE */
+ void SendSZLineDel(const XLine *x) override
+ {
+ Uplink::Send("TKL", '-', 'Z', '*', x->GetHost(), x->by);
+ }
+
+ /* SZLINE */
+ void SendSZLine(User *, const XLine *x) override
+ {
+ Uplink::Send("TKL", '+', 'Z', '*', x->GetHost(), x->by, x->expires, x->created, x->GetReason());
+ }
+
+ /* SGLINE */
+ /*
+ * SVSNLINE + reason_where_is_space :realname mask with spaces
+ */
+ void SendSGLine(User *, const XLine *x) override
+ {
+ Anope::string edited_reason = x->GetReason();
+ edited_reason = edited_reason.replace_all_cs(" ", "_");
+ Uplink::Send("SVSNLINE", '+', edited_reason, x->mask);
+ }
+
+ /* svsjoin
+ parv[0] - sender
+ parv[1] - nick to make join
+ parv[2] - channel to join
+ parv[3] - (optional) channel key(s)
+ */
+ /* In older Unreal SVSJOIN and SVSNLINE tokens were mixed so SVSJOIN and SVSNLINE are broken
+ when coming from a none TOKEN'd server
+ */
+ void SendSVSJoin(const MessageSource &source, User *user, const Anope::string &chan, const Anope::string &key) override
+ {
+ if (key.empty())
+ Uplink::Send("SVSJOIN", user->GetUID(), chan);
+ else
+ Uplink::Send("SVSJOIN", user->GetUID(), chan, key);
+ }
+
+ void SendSVSPart(const MessageSource &source, User *user, const Anope::string &chan, const Anope::string &param) override
+ {
+ if (!param.empty())
+ Uplink::Send("SVSPART", user->GetUID(), chan, param);
+ else
+ Uplink::Send("SVSPART", user->GetUID(), chan);
+ }
+
+ void SendGlobops(const MessageSource &source, const Anope::string &buf) override
+ {
+ Uplink::Send("SENDUMODE", 'o', "From " + source.GetName() + ": " + buf);
+ }
+
+ void SendSWhois(const MessageSource &source, const Anope::string &who, const Anope::string &mask) override
+ {
+ Uplink::Send("SWHOIS", who, mask);
+ }
+
+ void SendEOB() override
+ {
+ Uplink::Send("EOS");
+ }
+
+ bool IsNickValid(const Anope::string &nick) override
+ {
+ if (nick.equals_ci("ircd") || nick.equals_ci("irc"))
+ return false;
+
+ return IRCDProto::IsNickValid(nick);
+ }
+
+ bool IsChannelValid(const Anope::string &chan) override
+ {
+ if (chan.find(':') != Anope::string::npos)
+ return false;
+
+ return IRCDProto::IsChannelValid(chan);
+ }
+
+ bool IsExtbanValid(const Anope::string &mask) override
+ {
+ Anope::string name, value;
+ return IsExtBan(mask, name, value);
+ }
+
+ void SendLogin(User *u, NickAlias *na) override
+ {
+ if (!na->nc->HasExt("UNCONFIRMED"))
+ IRCD->SendMode(Config->GetClient("NickServ"), u, "+d", na->nc->display);
+ }
+
+ void SendLogout(User *u) override
+ {
+ IRCD->SendMode(Config->GetClient("NickServ"), u, "+d", 0);
+ }
+
+ void SendChannel(Channel *c) override
+ {
+ Uplink::Send("SJOIN", c->creation_time, c->name, "+" + c->GetModes(true, true), "");
+ }
+
+ void SendSASLMessage(const SASL::Message &message) override
+ {
+ size_t p = message.target.find('!');
+ Anope::string distmask;
+
+ if (p == Anope::string::npos)
+ {
+ Server *s = Server::Find(message.target.substr(0, 3));
+ if (!s)
+ return;
+ distmask = s->GetName();
+ }
+ else
+ {
+ distmask = message.target.substr(0, p);
+ }
+
+ if (message.ext.empty())
+ Uplink::Send(BotInfo::Find(message.source), "SASL", distmask, message.target, message.type, message.data);
+ else
+ Uplink::Send(BotInfo::Find(message.source), "SASL", distmask, message.target, message.type, message.data, message.ext);
+ }
+
+ void SendSVSLogin(const Anope::string &uid, NickAlias *na) override
+ {
+ size_t p = uid.find('!');
+ Anope::string distmask;
+
+ if (p == Anope::string::npos)
+ {
+ Server *s = Server::Find(uid.substr(0, 3));
+ if (!s)
+ return;
+ distmask = s->GetName();
+ }
+ else
+ {
+ distmask = uid.substr(0, p);
+ }
+
+ if (na)
+ {
+ if (!na->GetVHostIdent().empty())
+ Uplink::Send("CHGIDENT", uid, na->GetVHostIdent());
+
+ if (!na->GetVHostHost().empty())
+ Uplink::Send("CHGHOST", uid, na->GetVHostHost());
+ }
+
+ Uplink::Send("SVSLOGIN", distmask, uid, na ? na->nc->display : "0");
+ }
+
+ bool IsIdentValid(const Anope::string &ident) override
+ {
+ if (ident.empty() || ident.length() > IRCD->MaxUser)
+ return false;
+
+ for (auto c : ident)
+ {
+ if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') || c == '.' || c == '-')
+ continue;
+
+ if (c == '-' || c == '.' || c == '_')
+ continue;
+
+ return false;
+ }
+
+ return true;
+ }
+
+ void SendClearBans(const MessageSource &user, Channel *c, User* u) override
+ {
+ Uplink::Send(user, "SVS2MODE", c->name, "-b", u->GetUID());
+ }
+
+ bool IsTagValid(const Anope::string &tname, const Anope::string &tvalue) override
+ {
+ return !!Servers::Capab.count("MTAGS");
+ }
+};
+
+namespace UnrealExtBan
+{
+ class Base
+ : public ChannelModeVirtual<ChannelModeList>
+ {
+ private:
+ char xbchar;
+ Anope::string xbname;
+
+ public:
+ Base(const Anope::string &mname, const Anope::string& uname, char uchar)
+ : ChannelModeVirtual<ChannelModeList>(mname, "BAN")
+ , xbchar(uchar)
+ , xbname(uname)
+ {
+ }
+
+ ChannelMode *Wrap(Anope::string &param) override
+ {
+ auto prefix = Servers::Capab.count("NEXTBANS") ? xbname : Anope::string(xbchar);
+ param = Anope::printf("~%s:%s", prefix.c_str(), param.c_str());
+ return ChannelModeVirtual<ChannelModeList>::Wrap(param);
+ }
+
+ ChannelMode *Unwrap(ChannelMode *cm, Anope::string &param) override
+ {
+ // The mask must be in the format ~<letter>:<value> or ~<name>:<value>.
+ if (cm->type != MODE_LIST)
+ return cm;
+
+ Anope::string name, value;
+ if (!IsExtBan(param, name, value))
+ return cm;
+
+ if (name.length() == 1 ? name[0] != xbchar : name != xbname)
+ return cm;
+
+ param = value;
+ return this;
+
+ }
+ };
+
+ class ChannelMatcher final
+ : public Base
+ {
+ public:
+ ChannelMatcher()
+ : Base("CHANNELBAN", "channel", 'c')
+ {
+ }
+
+ bool Matches(User *u, const Entry *e) override
+ {
+ auto channel = e->GetMask();
+ 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 EntryMatcher final
+ : public Base
+ {
+ public:
+ EntryMatcher(const Anope::string &mname, const Anope::string &uname, char uchar)
+ : Base(mname, uname, uchar)
+ {
+ }
+
+ bool Matches(User *u, const Entry *e) override
+ {
+ return Entry(this->base, e->GetMask()).Matches(u);
+ }
+ };
+
+ class RealnameMatcher final
+ : public Base
+ {
+ public:
+ RealnameMatcher()
+ : Base("REALNAMEBAN", "realname", 'r')
+ {
+ }
+
+ bool Matches(User *u, const Entry *e) override
+ {
+ return Anope::Match(u->realname, e->GetMask());
+ }
+ };
+
+ class AccountMatcher final
+ : public Base
+ {
+ public:
+ AccountMatcher()
+ : Base("ACCOUNTBAN", "account", 'a')
+ {
+ }
+
+ bool Matches(User *u, const Entry *e) override
+ {
+ if (e->GetMask() == "0" && !u->Account()) /* ~a:0 is special and matches all unauthenticated users */
+ return true;
+
+ return u->Account() && Anope::Match(u->Account()->display, e->GetMask());
+ }
+ };
+
+ class FingerprintMatcher final
+ : public Base
+ {
+ public:
+ FingerprintMatcher()
+ : Base("SSLBAN", "certfp", 'S')
+ {
+ }
+
+ bool Matches(User *u, const Entry *e) override
+ {
+ return !u->fingerprint.empty() && Anope::Match(u->fingerprint, e->GetMask());
+ }
+ };
+
+ class OperclassMatcher final
+ : public Base
+ {
+ public:
+ OperclassMatcher()
+ : Base("OPERCLASSBAN", "operclass", 'O')
+ {
+ }
+
+ bool Matches(User *u, const Entry *e) override
+ {
+ ModData *moddata = u->GetExt<ModData>("ClientModData");
+ return moddata != NULL && moddata->find("operclass") != moddata->end() && Anope::Match((*moddata)["operclass"], e->GetMask());
+ }
+ };
+
+ class TimedBanMatcher final
+ : public Base
+ {
+ public:
+ TimedBanMatcher()
+ : Base("TIMEDBAN", "time", 't')
+ {
+ }
+
+ bool Matches(User *u, const Entry *e) override
+ {
+ /* strip down the time (~t:1234:) and call other matchers */
+ auto real_mask = e->GetMask();
+ real_mask = real_mask.substr(real_mask.find(":") + 1);
+ return Entry("BAN", real_mask).Matches(u);
+ }
+ };
+
+ class CountryMatcher final
+ : public Base
+ {
+ public:
+ CountryMatcher()
+ : Base("COUNTRYBAN", "country", 'C')
+ {
+ }
+
+ bool Matches(User *u, const Entry *e) override
+ {
+ ModData *moddata = u->GetExt<ModData>("ClientModData");
+ if (moddata == NULL || moddata->find("geoip") == moddata->end())
+ return false;
+
+ sepstream sep((*moddata)["geoip"], '|');/* "cc=PL|cd=Poland" */
+ Anope::string tokenbuf;
+ while (sep.GetToken(tokenbuf))
+ {
+ if (tokenbuf.rfind("cc=", 0) == 0)
+ return (tokenbuf.substr(3, 2) == e->GetMask());
+ }
+ return false;
+ }
+ };
+}
+
+class ChannelModeFlood final
+ : public ChannelModeParam
+{
+public:
+ ChannelModeFlood(char modeChar, bool minusNoArg) : ChannelModeParam("FLOOD", modeChar, minusNoArg) { }
+
+ /* Borrowed part of this check from UnrealIRCd */
+ bool IsValid(Anope::string &value) const override
+ {
+ if (value.empty() || value[0] != '[')
+ return false;
+
+ /* '['<number><1 letter>[optional: '#'+1 letter],[next..]']'':'<number> */
+ size_t end_bracket = value.find(']', 1);
+ if (end_bracket == Anope::string::npos)
+ return false;
+
+ Anope::string xbuf = value.substr(0, end_bracket);
+ if (value[end_bracket + 1] != ':')
+ return false;
+
+ commasepstream args(xbuf.substr(1));
+ Anope::string arg;
+ while (args.GetToken(arg))
+ {
+ /* <number><1 letter>[optional: '#'+1 letter] */
+ size_t p = 0;
+ while (p < arg.length() && isdigit(arg[p]))
+ ++p;
+ if (p == arg.length() || (arg[p] != 'c' && arg[p] != 'j' && arg[p] != 'k' && arg[p] != 'm' && arg[p] != 'n' && arg[p] != 't'))
+ continue; /* continue instead of break for forward compatibility. */
+
+ auto v = Anope::Convert<int>(arg.substr(0, p), 0);
+ if (v < 1 || v > 999)
+ return false;
+ }
+
+ return true;
+ }
+};
+
+class ChannelModeHistory final
+ : public ChannelModeParam
+{
+public:
+ ChannelModeHistory(char modeChar) : ChannelModeParam("HISTORY", modeChar, true) { }
+
+ bool IsValid(Anope::string &value) const override
+ {
+ 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;
+ if (Anope::Convert<int>(value, 0, &rest) <= 0)
+ return false; // negative numbers and zero are invalid
+
+ // The part after the ':' is a duration and it
+ // can be in the user friendly "1d3h20m" format, make sure we accept that
+ auto n = Anope::DoTime(rest.substr(1));
+ return n > 0;
+ }
+};
+
+class ChannelModeUnrealSSL final
+ : public ChannelMode
+{
+public:
+ ChannelModeUnrealSSL(const Anope::string &n, char c) : ChannelMode(n, c)
+ {
+ }
+
+ bool CanSet(User *u) const override
+ {
+ return false;
+ }
+};
+
+struct IRCDMessageCapab final
+ : Message::Capab
+{
+ IRCDMessageCapab(Module *creator) : Message::Capab(creator, "PROTOCTL") { }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ for (const auto &capab : params)
+ {
+ if (capab.find("USERMODES=") != Anope::string::npos)
+ {
+ Anope::string modebuf(capab.begin() + 10, capab.end());
+ for (auto mode : modebuf)
+ {
+ switch (mode)
+ {
+ case 'B':
+ ModeManager::AddUserMode(new UserMode("BOT", 'B'));
+ continue;
+ case 'G':
+ ModeManager::AddUserMode(new UserMode("CENSOR", 'G'));
+ continue;
+ case 'H':
+ ModeManager::AddUserMode(new UserModeOperOnly("HIDEOPER", 'H'));
+ continue;
+ case 'I':
+ ModeManager::AddUserMode(new UserModeOperOnly("HIDEIDLE", 'I'));
+ continue;
+ case 'R':
+ ModeManager::AddUserMode(new UserMode("REGPRIV", 'R'));
+ continue;
+ case 'S':
+ ModeManager::AddUserMode(new UserModeOperOnly("PROTECTED", 'S'));
+ continue;
+ case 'T':
+ ModeManager::AddUserMode(new UserMode("NOCTCP", 'T'));
+ continue;
+ case 'W':
+ ModeManager::AddUserMode(new UserModeOperOnly("WHOIS", 'W'));
+ continue;
+ case 'd':
+ ModeManager::AddUserMode(new UserMode("DEAF", 'd'));
+ continue;
+ case 'D':
+ ModeManager::AddUserMode(new UserMode("PRIVDEAF", 'D'));
+ continue;
+ case 'i':
+ ModeManager::AddUserMode(new UserMode("INVIS", 'i'));
+ continue;
+ case 'o':
+ ModeManager::AddUserMode(new UserModeOperOnly("OPER", 'o'));
+ continue;
+ case 'p':
+ ModeManager::AddUserMode(new UserMode("PRIV", 'p'));
+ continue;
+ case 'q':
+ ModeManager::AddUserMode(new UserModeOperOnly("GOD", 'q'));
+ continue;
+ case 'r':
+ ModeManager::AddUserMode(new UserModeNoone("REGISTERED", 'r'));
+ continue;
+ case 's':
+ ModeManager::AddUserMode(new UserModeOperOnly("SNOMASK", 's'));
+ continue;
+ case 't':
+ ModeManager::AddUserMode(new UserModeNoone("VHOST", 't'));
+ continue;
+ case 'w':
+ ModeManager::AddUserMode(new UserMode("WALLOPS", 'w'));
+ continue;
+ case 'x':
+ ModeManager::AddUserMode(new UserMode("CLOAK", 'x'));
+ continue;
+ case 'z':
+ ModeManager::AddUserMode(new UserModeNoone("SSL", 'z'));
+ continue;
+ case 'Z':
+ ModeManager::AddUserMode(new UserMode("SSLPRIV", 'Z'));
+ continue;
+ default:
+ ModeManager::AddUserMode(new UserMode("", mode));
+ }
+ }
+ }
+ else if (capab.find("CHANMODES=") != Anope::string::npos)
+ {
+ Anope::string modes(capab.begin() + 10, capab.end());
+ commasepstream sep(modes);
+ Anope::string modebuf;
+
+ sep.GetToken(modebuf);
+ for (auto mode : modebuf)
+ {
+ switch (mode)
+ {
+ case 'b':
+ ModeManager::AddChannelMode(new ChannelModeList("BAN", 'b'));
+
+ ModeManager::AddChannelMode(new UnrealExtBan::ChannelMatcher());
+ ModeManager::AddChannelMode(new UnrealExtBan::EntryMatcher("JOINBAN", "join", 'j'));
+ ModeManager::AddChannelMode(new UnrealExtBan::EntryMatcher("NONICKBAN", "nickchange", 'n'));
+ ModeManager::AddChannelMode(new UnrealExtBan::EntryMatcher("QUIET", "quiet", 'q'));
+ ModeManager::AddChannelMode(new UnrealExtBan::RealnameMatcher());
+ ModeManager::AddChannelMode(new UnrealExtBan::AccountMatcher());
+ ModeManager::AddChannelMode(new UnrealExtBan::FingerprintMatcher());
+ ModeManager::AddChannelMode(new UnrealExtBan::TimedBanMatcher());
+ ModeManager::AddChannelMode(new UnrealExtBan::OperclassMatcher());
+ ModeManager::AddChannelMode(new UnrealExtBan::CountryMatcher());
+ continue;
+ case 'e':
+ ModeManager::AddChannelMode(new ChannelModeList("EXCEPT", 'e'));
+ continue;
+ case 'I':
+ ModeManager::AddChannelMode(new ChannelModeList("INVITEOVERRIDE", 'I'));
+ continue;
+ default:
+ ModeManager::AddChannelMode(new ChannelModeList("", mode));
+ }
+ }
+
+ sep.GetToken(modebuf);
+ for (auto mode : modebuf)
+ {
+ switch (mode)
+ {
+ case 'k':
+ ModeManager::AddChannelMode(new ChannelModeKey('k'));
+ continue;
+ case 'f':
+ ModeManager::AddChannelMode(new ChannelModeFlood('f', false));
+ continue;
+ case 'L':
+ ModeManager::AddChannelMode(new ChannelModeParam("REDIRECT", 'L'));
+ continue;
+ default:
+ ModeManager::AddChannelMode(new ChannelModeParam("", mode));
+ }
+ }
+
+ sep.GetToken(modebuf);
+ for (auto mode : modebuf)
+ {
+ switch (mode)
+ {
+ case 'l':
+ ModeManager::AddChannelMode(new ChannelModeParam("LIMIT", 'l', true));
+ continue;
+ case 'H':
+ ModeManager::AddChannelMode(new ChannelModeHistory('H'));
+ continue;
+ default:
+ ModeManager::AddChannelMode(new ChannelModeParam("", mode, true));
+ }
+ }
+
+ sep.GetToken(modebuf);
+ for (auto mode : modebuf)
+ {
+ switch (mode)
+ {
+ case 'p':
+ ModeManager::AddChannelMode(new ChannelMode("PRIVATE", 'p'));
+ continue;
+ case 's':
+ ModeManager::AddChannelMode(new ChannelMode("SECRET", 's'));
+ continue;
+ case 'm':
+ ModeManager::AddChannelMode(new ChannelMode("MODERATED", 'm'));
+ continue;
+ case 'n':
+ ModeManager::AddChannelMode(new ChannelMode("NOEXTERNAL", 'n'));
+ continue;
+ case 't':
+ ModeManager::AddChannelMode(new ChannelMode("TOPIC", 't'));
+ continue;
+ case 'i':
+ ModeManager::AddChannelMode(new ChannelMode("INVITE", 'i'));
+ continue;
+ case 'r':
+ ModeManager::AddChannelMode(new ChannelModeNoone("REGISTERED", 'r'));
+ continue;
+ case 'R':
+ ModeManager::AddChannelMode(new ChannelMode("REGISTEREDONLY", 'R'));
+ continue;
+ case 'c':
+ ModeManager::AddChannelMode(new ChannelMode("BLOCKCOLOR", 'c'));
+ continue;
+ case 'O':
+ ModeManager::AddChannelMode(new ChannelModeOperOnly("OPERONLY", 'O'));
+ continue;
+ case 'Q':
+ ModeManager::AddChannelMode(new ChannelMode("NOKICK", 'Q'));
+ continue;
+ case 'K':
+ ModeManager::AddChannelMode(new ChannelMode("NOKNOCK", 'K'));
+ continue;
+ case 'V':
+ ModeManager::AddChannelMode(new ChannelMode("NOINVITE", 'V'));
+ continue;
+ case 'C':
+ ModeManager::AddChannelMode(new ChannelMode("NOCTCP", 'C'));
+ continue;
+ case 'z':
+ ModeManager::AddChannelMode(new ChannelMode("SSL", 'z'));
+ continue;
+ case 'N':
+ ModeManager::AddChannelMode(new ChannelMode("NONICK", 'N'));
+ continue;
+ case 'S':
+ ModeManager::AddChannelMode(new ChannelMode("STRIPCOLOR", 'S'));
+ continue;
+ case 'M':
+ ModeManager::AddChannelMode(new ChannelMode("REGMODERATED", 'M'));
+ continue;
+ case 'T':
+ ModeManager::AddChannelMode(new ChannelMode("NONOTICE", 'T'));
+ continue;
+ case 'G':
+ ModeManager::AddChannelMode(new ChannelMode("CENSOR", 'G'));
+ continue;
+ case 'Z':
+ ModeManager::AddChannelMode(new ChannelModeUnrealSSL("ALLSSL", 'Z'));
+ continue;
+ case 'd':
+ // post delayed. means that channel is -D but invisible users still exist.
+ continue;
+ case 'D':
+ ModeManager::AddChannelMode(new ChannelMode("DELAYEDJOIN", 'D'));
+ continue;
+ case 'P':
+ ModeManager::AddChannelMode(new ChannelModeOperOnly("PERM", 'P'));
+ continue;
+ default:
+ ModeManager::AddChannelMode(new ChannelMode("", mode));
+ }
+ }
+ }
+ else if (!capab.find("SID="))
+ {
+ UplinkSID = capab.substr(4);
+ }
+ else if (!capab.find("PREFIX=")) /* PREFIX=(qaohv)~&@%+ */
+ {
+ Anope::string modes(capab.begin() + 7, capab.end());
+ reverse(modes.begin(), modes.end()); /* +%@&!)vhoaq( */
+ std::size_t mode_count = modes.find(')');
+ Anope::string mode_prefixes = modes.substr(0, mode_count);
+ Anope::string mode_chars = modes.substr(mode_count+1, mode_count);
+
+ for (size_t t = 0, end = mode_chars.length(); t < end; ++t)
+ {
+ Anope::string mode_name;
+ switch (mode_chars[t])
+ {
+
+ case 'v':
+ mode_name = "VOICE";
+ break;
+ case 'h':
+ mode_name = "HALFOP";
+ break;
+ case 'o':
+ mode_name = "OP";
+ break;
+ case 'a':
+ mode_name = "PROTECT";
+ break;
+ case 'q':
+ mode_name = "OWNER";
+ break;
+ default:
+ mode_name = "";
+ break;
+ }
+ ModeManager::AddChannelMode(new ChannelModeStatus(mode_name, mode_chars[t], mode_prefixes[t], t));
+ }
+ }
+ else if (capab.equals_ci("BIGLINES"))
+ IRCD->MaxLine = 16384;
+ }
+
+ Message::Capab::Run(source, params, tags);
+ }
+};
+
+struct IRCDMessageChgHost final
+ : IRCDMessage
+{
+ IRCDMessageChgHost(Module *creator) : IRCDMessage(creator, "CHGHOST", 2) { }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ User *u = User::Find(params[0]);
+ if (u)
+ u->SetDisplayedHost(params[1]);
+ }
+};
+
+struct IRCDMessageChgIdent final
+ : IRCDMessage
+{
+ IRCDMessageChgIdent(Module *creator) : IRCDMessage(creator, "CHGIDENT", 2) { }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ User *u = User::Find(params[0]);
+ if (u)
+ u->SetVIdent(params[1]);
+ }
+};
+
+struct IRCDMessageChgName final
+ : IRCDMessage
+{
+ IRCDMessageChgName(Module *creator) : IRCDMessage(creator, "CHGNAME", 2) { }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ User *u = User::Find(params[0]);
+ if (u)
+ u->SetRealname(params[1]);
+ }
+};
+
+struct IRCDMessageMD final
+ : IRCDMessage
+{
+ PrimitiveExtensibleItem<ModData> &ClientModData;
+ PrimitiveExtensibleItem<ModData> &ChannelModData;
+
+ IRCDMessageMD(Module *creator, PrimitiveExtensibleItem<ModData> &clmoddata, PrimitiveExtensibleItem<ModData> &chmoddata) : IRCDMessage(creator, "MD", 3), ClientModData(clmoddata), ChannelModData(chmoddata)
+ {
+ SetFlag(FLAG_SOFT_LIMIT);
+ }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ const Anope::string &mdtype = params[0],
+ &obj = params[1],
+ &var = params[2],
+ &value = params.size() > 3 ? params[3] : "";
+
+ if (mdtype == "client") /* can be a server too! */
+ {
+ User *u = User::Find(obj);
+
+ if (u == NULL)
+ return;
+
+ ModData &clientmd = *ClientModData.Require(u);
+
+ if (value.empty())
+ {
+ clientmd.erase(var);
+ Log(LOG_DEBUG) << "Erased client moddata " << var << " from " << u->nick;
+ }
+ else
+ {
+ clientmd[var] = value;
+ Log(LOG_DEBUG) << "Set client moddata " << var << "=\"" << value << "\" to " << u->nick;
+ }
+ if (var == "certfp" && !value.empty())
+ {
+ u->Extend<bool>("ssl");
+ u->fingerprint = value;
+ FOREACH_MOD(OnFingerprint, (u));
+ }
+ }
+ else if (mdtype == "channel")
+ {
+ Channel *c = Channel::Find(obj);
+
+ if (c == NULL)
+ return;
+
+ ModData &channelmd = *ChannelModData.Require(c);
+
+ if (value.empty())
+ {
+ channelmd.erase(var);
+ Log(LOG_DEBUG) << "Erased channel moddata " << var << " from " << c->name;
+ }
+ else
+ {
+ channelmd[var] = value;
+ Log(LOG_DEBUG) << "Set channel moddata " << var << "=\"" << value << "\" to " << c->name;
+ }
+ }
+ }
+};
+
+struct IRCDMessageMode final
+ : IRCDMessage
+{
+ bool server_ts;
+
+ IRCDMessageMode(Module *creator, const Anope::string &mname, bool sts)
+ : IRCDMessage(creator, mname, 2)
+ , server_ts(sts)
+ {
+ SetFlag(FLAG_SOFT_LIMIT);
+ }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ auto final_is_ts = server_ts && source.GetServer() != NULL;
+ auto last_param = params.end() - (params.size() > 3 && final_is_ts ? 1 : 0);
+
+ if (IRCD->IsChannelValid(params[0]))
+ {
+ Channel *c = Channel::Find(params[0]);
+ auto ts = final_is_ts ? IRCD->ExtractTimestamp(params.back()) : 0;
+
+ if (c)
+ c->SetModesInternal(source, params[1], { params.begin() + 2, last_param }, ts);
+ }
+ else
+ {
+ User *u = User::Find(params[0]);
+ if (u)
+ u->SetModesInternal(source, params[1]);
+ }
+ }
+};
+
+/* netinfo
+ * argv[0] = max global count
+ * argv[1] = time of end sync
+ * argv[2] = unreal protocol using (numeric)
+ * argv[3] = cloak-crc (> u2302)
+ * argv[4] = free(**)
+ * argv[5] = free(**)
+ * argv[6] = free(**)
+ * argv[7] = ircnet
+ */
+struct IRCDMessageNetInfo final
+ : IRCDMessage
+{
+ IRCDMessageNetInfo(Module *creator) : IRCDMessage(creator, "NETINFO", 8) { SetFlag(FLAG_REQUIRE_SERVER); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ Uplink::Send("NETINFO", MaxUserCount, Anope::CurTime, params[2], params[3], 0, 0, 0, params[7]);
+ }
+};
+
+struct IRCDMessageNick final
+ : IRCDMessage
+{
+ IRCDMessageNick(Module *creator) : IRCDMessage(creator, "NICK", 2) { SetFlag(FLAG_SOFT_LIMIT); }
+
+ /*
+ ** NICK - new
+ ** source = NULL
+ ** parv[0] = nickname
+ ** parv[1] = hopcount
+ ** parv[2] = timestamp
+ ** parv[3] = username
+ ** parv[4] = hostname
+ ** parv[5] = servername
+ ** parv[6] = servicestamp
+ ** parv[7] = umodes
+ ** parv[8] = virthost, * if none
+ ** parv[9] = ip
+ ** parv[10] = info
+ **
+ ** NICK - change
+ ** source = oldnick
+ ** parv[0] = new nickname
+ ** parv[1] = hopcount
+ */
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ if (params.size() == 11)
+ {
+ Anope::string ip;
+ if (params[9] != "*")
+ {
+ Anope::string decoded_ip;
+ Anope::B64Decode(params[9], decoded_ip);
+
+ sockaddrs ip_addr;
+ ip_addr.ntop(params[9].length() == 8 ? AF_INET : AF_INET6, decoded_ip.c_str());
+ ip = ip_addr.addr();
+ }
+
+ Anope::string vhost = params[8];
+ if (vhost.equals_cs("*"))
+ vhost.clear();
+
+ auto user_ts = IRCD->ExtractTimestamp(params[2]);
+ Server *s = Server::Find(params[5]);
+ if (s == NULL)
+ {
+ Log(LOG_DEBUG) << "User " << params[0] << " introduced from nonexistent server " << params[5] << "?";
+ return;
+ }
+
+ NickAlias *na = NULL;
+
+ if (params[6] == "0")
+ ;
+ else if (params[6].is_pos_number_only())
+ {
+ if (IRCD->ExtractTimestamp(params[6]) == user_ts)
+ na = NickAlias::Find(params[0]);
+ }
+ else
+ {
+ na = NickAlias::Find(params[6]);
+ }
+
+ User::OnIntroduce(params[0], params[3], params[4], vhost, ip, s, params[10], user_ts, params[7], "", na ? *na->nc : NULL);
+ }
+ else
+ {
+ User *u = source.GetUser();
+ if (u)
+ u->ChangeNick(params[0]);
+ }
+ }
+};
+
+/** This is here because:
+ *
+ * If we had three servers, A, B & C linked like so: A<->B<->C
+ * If Anope is linked to A and B splits from A and then reconnects
+ * B introduces itself, introduces C, sends EOS for C, introduces Bs clients
+ * introduces Cs clients, sends EOS for B. This causes all of Cs clients to be introduced
+ * with their server "not syncing". We now send a PING immediately when receiving a new server
+ * and then finish sync once we get a pong back from that server.
+ */
+struct IRCDMessagePong final
+ : IRCDMessage
+{
+ IRCDMessagePong(Module *creator) : IRCDMessage(creator, "PONG", 0) { SetFlag(FLAG_SOFT_LIMIT); SetFlag(FLAG_REQUIRE_SERVER); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ if (!source.GetServer()->IsSynced())
+ source.GetServer()->Sync(false);
+ }
+};
+
+struct IRCDMessageSASL final
+ : IRCDMessage
+{
+ IRCDMessageSASL(Module *creator) : IRCDMessage(creator, "SASL", 4) { SetFlag(FLAG_SOFT_LIMIT); SetFlag(FLAG_REQUIRE_SERVER); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ if (!SASL::sasl)
+ return;
+
+ SASL::Message m;
+ m.source = params[1];
+ m.target = params[0];
+ m.type = params[2];
+ m.data = params[3];
+ m.ext = params.size() > 4 ? params[4] : "";
+
+ SASL::sasl->ProcessMessage(m);
+ }
+};
+
+struct IRCDMessageSDesc final
+ : IRCDMessage
+{
+ IRCDMessageSDesc(Module *creator) : IRCDMessage(creator, "SDESC", 1) { SetFlag(FLAG_REQUIRE_SERVER); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ source.GetServer()->SetDescription(params[0]);
+ }
+};
+
+struct IRCDMessageSetHost final
+ : IRCDMessage
+{
+ IRCDMessageSetHost(Module *creator) : IRCDMessage(creator, "SETHOST", 1) { SetFlag(FLAG_REQUIRE_USER); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ User *u = source.GetUser();
+
+ /* When a user sets +x we receive the new host and then the mode change */
+ if (u->HasMode("CLOAK"))
+ u->SetDisplayedHost(params[0]);
+ else
+ u->SetCloakedHost(params[0]);
+ }
+};
+
+struct IRCDMessageSetIdent final
+ : IRCDMessage
+{
+ IRCDMessageSetIdent(Module *creator) : IRCDMessage(creator, "SETIDENT", 1) { SetFlag(FLAG_REQUIRE_USER); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ User *u = source.GetUser();
+ u->SetVIdent(params[0]);
+ }
+};
+
+struct IRCDMessageSetName final
+ : IRCDMessage
+{
+ IRCDMessageSetName(Module *creator) : IRCDMessage(creator, "SETNAME", 1) { SetFlag(FLAG_REQUIRE_USER); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ User *u = source.GetUser();
+ u->SetRealname(params[0]);
+ }
+};
+
+struct IRCDMessageServer final
+ : IRCDMessage
+{
+ IRCDMessageServer(Module *creator) : IRCDMessage(creator, "SERVER", 3) { SetFlag(FLAG_REQUIRE_SERVER); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ auto hops = Anope::Convert<unsigned>(params[1], 0);
+
+ if (params[1].equals_cs("1"))
+ {
+ Anope::string desc;
+ spacesepstream(params[2]).GetTokenRemainder(desc, 1);
+
+ new Server(source.GetServer() == NULL ? Me : source.GetServer(), params[0], hops, desc, UplinkSID);
+ }
+ else
+ new Server(source.GetServer(), params[0], hops, params[2]);
+
+ IRCD->SendPing(Me->GetName(), params[0]);
+ }
+};
+
+struct IRCDMessageSID final
+ : IRCDMessage
+{
+ IRCDMessageSID(Module *creator) : IRCDMessage(creator, "SID", 4) { SetFlag(FLAG_REQUIRE_SERVER); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ auto hops = Anope::Convert<unsigned>(params[1], 0);
+
+ new Server(source.GetServer(), params[0], hops, params[3], params[2]);
+
+ IRCD->SendPing(Me->GetName(), params[0]);
+ }
+};
+
+static char UnrealSjoinPrefixToModeChar(char sjoin_prefix)
+{
+ switch(sjoin_prefix)
+ {
+ case '*':
+ return ModeManager::GetStatusChar('~');
+ case '~':
+ return ModeManager::GetStatusChar('&');
+ default:
+ return ModeManager::GetStatusChar(sjoin_prefix); /* remaining are regular */
+ }
+}
+
+struct IRCDMessageSJoin final
+ : IRCDMessage
+{
+ IRCDMessageSJoin(Module *creator) : IRCDMessage(creator, "SJOIN", 3) { SetFlag(FLAG_REQUIRE_SERVER); SetFlag(FLAG_SOFT_LIMIT); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ Anope::string modes;
+ std::vector<Anope::string> modeparams;
+ if (params.size() >= 4)
+ {
+ modes = params[2];
+ modeparams = { params.begin() + 3, params.end() };
+ }
+
+ std::list<Anope::string> bans, excepts, invites;
+ std::list<Message::Join::SJoinUser> users;
+
+ spacesepstream sep(params[params.size() - 1]);
+ Anope::string buf;
+ while (sep.GetToken(buf))
+ {
+ /* Ban */
+ if (buf[0] == '&')
+ {
+ buf.erase(buf.begin());
+ bans.push_back(buf);
+ }
+ /* Except */
+ else if (buf[0] == '"')
+ {
+ buf.erase(buf.begin());
+ excepts.push_back(buf);
+ }
+ /* Invex */
+ else if (buf[0] == '\'')
+ {
+ buf.erase(buf.begin());
+ invites.push_back(buf);
+ }
+ else
+ {
+ Message::Join::SJoinUser sju;
+
+ /* Get prefixes from the nick */
+ for (char ch; (ch = UnrealSjoinPrefixToModeChar(buf[0]));)
+ {
+ sju.first.AddMode(ch);
+ buf.erase(buf.begin());
+ }
+
+ sju.second = User::Find(buf);
+ if (!sju.second)
+ {
+ Log(LOG_DEBUG) << "SJOIN for nonexistent user " << buf << " on " << params[1];
+ continue;
+ }
+
+ users.push_back(sju);
+ }
+ }
+
+ auto ts = IRCD->ExtractTimestamp(params[0]);
+ Message::Join::SJoin(source, params[1], ts, modes, modeparams, users);
+
+ if (!bans.empty() || !excepts.empty() || !invites.empty())
+ {
+ Channel *c = Channel::Find(params[1]);
+
+ if (!c || c->creation_time != ts)
+ return;
+
+ ChannelMode *ban = ModeManager::FindChannelModeByName("BAN"),
+ *except = ModeManager::FindChannelModeByName("EXCEPT"),
+ *invex = ModeManager::FindChannelModeByName("INVITEOVERRIDE");
+
+ if (ban)
+ {
+ for (const auto &entry : bans)
+ c->SetModeInternal(source, ban, entry);
+ }
+ if (except)
+ {
+ for (const auto &entry : excepts)
+ c->SetModeInternal(source, except, entry);
+ }
+ if (invex)
+ {
+ for (const auto &entry : invites)
+ c->SetModeInternal(source, invex, entry);
+ }
+ }
+ }
+};
+
+class IRCDMessageSVSLogin final
+ : IRCDMessage
+{
+public:
+ IRCDMessageSVSLogin(Module *creator) : IRCDMessage(creator, "SVSLOGIN", 3) { SetFlag(FLAG_REQUIRE_SERVER); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ // :irc.example.com SVSLOGIN <mask> <nick> <account>
+ // :irc.example.com SVSLOGIN <mask> <nick> 0
+ User *u = User::Find(params[1]);
+ if (!u)
+ return; // Should never happen.
+
+ if (params[2] == "0")
+ {
+ // The user has been logged out by the IRC server.
+ u->Logout();
+ }
+ else
+ {
+ // If we're bursting then then the user was probably logged
+ // in during a previous connection.
+ NickCore *nc = NickCore::Find(params[2]);
+ if (nc)
+ u->Login(nc);
+ }
+ }
+};
+
+struct IRCDMessageTopic final
+ : IRCDMessage
+{
+ IRCDMessageTopic(Module *creator) : IRCDMessage(creator, "TOPIC", 4) { }
+
+ /*
+ ** source = sender prefix
+ ** parv[0] = channel name
+ ** parv[1] = topic nickname
+ ** parv[2] = topic time
+ ** parv[3] = topic text
+ */
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ Channel *c = Channel::Find(params[0]);
+ if (c)
+ c->ChangeTopicInternal(source.GetUser(), params[1], params[3], IRCD->ExtractTimestamp(params[2]));
+ }
+};
+
+/*
+ * parv[0] = nickname
+ * parv[1] = hopcount
+ * parv[2] = timestamp
+ * parv[3] = username
+ * parv[4] = hostname
+ * parv[5] = UID
+ * parv[6] = servicestamp
+ * parv[7] = umodes
+ * parv[8] = virthost, * if none
+ * parv[9] = cloaked host, * if none
+ * parv[10] = ip
+ * parv[11] = info
+ */
+struct IRCDMessageUID final
+ : IRCDMessage
+{
+ IRCDMessageUID(Module *creator) : IRCDMessage(creator, "UID", 12) { SetFlag(FLAG_REQUIRE_SERVER); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ Anope::string
+ nickname = params[0],
+ hopcount = params[1],
+ timestamp = params[2],
+ username = params[3],
+ hostname = params[4],
+ uid = params[5],
+ account = params[6],
+ umodes = params[7],
+ vhost = params[8],
+ chost = params[9],
+ ip = params[10],
+ info = params[11];
+
+ if (ip != "*")
+ {
+ Anope::string decoded_ip;
+ Anope::B64Decode(ip, decoded_ip);
+
+ sockaddrs ip_addr;
+ ip_addr.ntop(ip.length() == 8 ? AF_INET : AF_INET6, decoded_ip.c_str());
+ ip = ip_addr.addr();
+ }
+
+ if (vhost == "*")
+ vhost.clear();
+
+ if (chost == "*")
+ chost.clear();
+
+ auto user_ts = IRCD->ExtractTimestamp(timestamp);
+ NickAlias *na = NULL;
+
+ if (account == "0")
+ {
+ ;
+ }
+ else if (account.is_pos_number_only())
+ {
+ if (IRCD->ExtractTimestamp(account) == user_ts)
+ na = NickAlias::Find(nickname);
+ }
+ else
+ {
+ na = NickAlias::Find(account);
+ }
+
+ User *u = User::OnIntroduce(nickname, username, hostname, vhost, ip, source.GetServer(), info, user_ts, umodes, uid, na ? *na->nc : NULL);
+
+ if (u && !chost.empty() && chost != u->GetCloakedHost())
+ u->SetCloakedHost(chost);
+ }
+};
+
+struct IRCDMessageUmode2 final
+ : IRCDMessage
+{
+ IRCDMessageUmode2(Module *creator) : IRCDMessage(creator, "UMODE2", 1) { SetFlag(FLAG_REQUIRE_USER); }
+
+ void Run(MessageSource &source, const std::vector<Anope::string> &params, const Anope::map<Anope::string> &tags) override
+ {
+ source.GetUser()->SetModesInternal(source, params[0]);
+ }
+};
+
+class ProtoUnreal final
+ : public Module
+{
+ UnrealIRCdProto ircd_proto;
+
+ /* Core message handlers */
+ Message::Away message_away;
+ Message::Error message_error;
+ Message::Invite message_invite;
+ Message::Join message_join;
+ Message::Kick message_kick;
+ Message::Kill message_kill, message_svskill;
+ Message::MOTD message_motd;
+ Message::Notice message_notice;
+ Message::Part message_part;
+ Message::Ping message_ping;
+ Message::Privmsg message_privmsg;
+ Message::Quit message_quit;
+ Message::SQuit message_squit;
+ Message::Stats message_stats;
+ Message::Time message_time;
+ Message::Version message_version;
+ Message::Whois message_whois;
+
+ /* Our message handlers */
+ IRCDMessageCapab message_capab;
+ IRCDMessageChgHost message_chghost;
+ IRCDMessageChgIdent message_chgident;
+ IRCDMessageChgName message_chgname;
+ IRCDMessageMD message_md;
+ IRCDMessageMode message_mode, message_svsmode, message_svs2mode;
+ IRCDMessageNetInfo message_netinfo;
+ IRCDMessageNick message_nick;
+ IRCDMessagePong message_pong;
+ IRCDMessageSASL message_sasl;
+ IRCDMessageSDesc message_sdesc;
+ IRCDMessageSetHost message_sethost;
+ IRCDMessageSetIdent message_setident;
+ IRCDMessageSetName message_setname;
+ IRCDMessageServer message_server;
+ IRCDMessageSID message_sid;
+ IRCDMessageSJoin message_sjoin;
+ IRCDMessageSVSLogin message_svslogin;
+ IRCDMessageTopic message_topic;
+ IRCDMessageUID message_uid;
+ IRCDMessageUmode2 message_umode2;
+
+public:
+ ProtoUnreal(const Anope::string &modname, const Anope::string &creator)
+ : Module(modname, creator, PROTOCOL | VENDOR)
+ , ircd_proto(this)
+ , message_away(this)
+ , message_error(this)
+ , message_invite(this)
+ , message_join(this)
+ , message_kick(this)
+ , message_kill(this)
+ , message_svskill(this, "SVSKILL")
+ , message_motd(this)
+ , message_notice(this)
+ , message_part(this)
+ , message_ping(this)
+ , message_privmsg(this)
+ , message_quit(this)
+ , message_squit(this)
+ , message_stats(this)
+ , message_time(this)
+ , message_version(this)
+ , message_whois(this)
+ , message_capab(this)
+ , message_chghost(this)
+ , message_chgident(this)
+ , message_chgname(this)
+ , message_md(this, ircd_proto.ClientModData, ircd_proto.ChannelModData)
+ , message_mode(this, "MODE", true)
+ , message_svsmode(this, "SVSMODE", false)
+ , message_svs2mode(this, "SVS2MODE", false)
+ , message_netinfo(this)
+ , message_nick(this)
+ , message_pong(this)
+ , message_sasl(this)
+ , message_sdesc(this)
+ , message_sethost(this)
+ , message_setident(this)
+ , message_setname(this)
+ , message_server(this)
+ , message_sid(this)
+ , message_sjoin(this)
+ , message_svslogin(this)
+ , message_topic(this)
+ , message_uid(this)
+ , message_umode2(this)
+ {
+ }
+
+ void Prioritize() override
+ {
+ ModuleManager::SetPriority(this, PRIORITY_FIRST);
+ }
+
+ void OnUserNickChange(User *u, const Anope::string &) override
+ {
+ u->RemoveModeInternal(Me, ModeManager::FindUserModeByName("REGISTERED"));
+ }
+
+ void OnChannelSync(Channel *c) override
+ {
+ if (!c->ci)
+ return;
+
+ ModeLocks *modelocks = c->ci->GetExt<ModeLocks>("modelocks");
+ if (Servers::Capab.count("MLOCK") > 0 && modelocks)
+ {
+ Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "");
+ Uplink::Send("MLOCK", c->creation_time, c->ci->name, modes);
+ }
+ }
+
+ void OnChanRegistered(ChannelInfo *ci) override
+ {
+ ModeLocks *modelocks = ci->GetExt<ModeLocks>("modelocks");
+ if (!ci->c || !modelocks || !Servers::Capab.count("MLOCK"))
+ return;
+ Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "");
+ Uplink::Send("MLOCK", ci->c->creation_time, ci->name, modes);
+ }
+
+ void OnDelChan(ChannelInfo *ci) override
+ {
+ if (!ci->c || !Servers::Capab.count("MLOCK"))
+ return;
+ Uplink::Send("MLOCK", ci->c->creation_time, ci->name, "");
+ }
+
+ EventReturn OnMLock(ChannelInfo *ci, ModeLock *lock) override
+ {
+ ModeLocks *modelocks = ci->GetExt<ModeLocks>("modelocks");
+ ChannelMode *cm = ModeManager::FindChannelModeByName(lock->name);
+ if (cm && modelocks && ci->c && (cm->type == MODE_REGULAR || cm->type == MODE_PARAM) && Servers::Capab.count("MLOCK") > 0)
+ {
+ Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "") + cm->mchar;
+ Uplink::Send("MLOCK", ci->c->creation_time, ci->name, modes);
+ }
+
+ return EVENT_CONTINUE;
+ }
+
+ EventReturn OnUnMLock(ChannelInfo *ci, ModeLock *lock) override
+ {
+ ModeLocks *modelocks = ci->GetExt<ModeLocks>("modelocks");
+ ChannelMode *cm = ModeManager::FindChannelModeByName(lock->name);
+ if (cm && modelocks && ci->c && (cm->type == MODE_REGULAR || cm->type == MODE_PARAM) && Servers::Capab.count("MLOCK") > 0)
+ {
+ Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "").replace_all_cs(cm->mchar, "");
+ Uplink::Send("MLOCK", ci->c->creation_time, ci->name, modes);
+ }
+
+ return EVENT_CONTINUE;
+ }
+};
+
+MODULE_INIT(ProtoUnreal)