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Diffstat (limited to 'modules/protocol/unreal.cpp')
-rw-r--r-- | modules/protocol/unreal.cpp | 1142 |
1 files changed, 1142 insertions, 0 deletions
diff --git a/modules/protocol/unreal.cpp b/modules/protocol/unreal.cpp new file mode 100644 index 000000000..fa25a1049 --- /dev/null +++ b/modules/protocol/unreal.cpp @@ -0,0 +1,1142 @@ +/* Unreal IRCD 3.2.x functions + * + * (C) 2003-2011 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 "services.h" +#include "modules.h" +#include "nickserv.h" + +IRCDVar myIrcd[] = { + {"UnrealIRCd 3.2.x", /* ircd name */ + "+Soiq", /* Modes used by pseudoclients */ + 1, /* SVSNICK */ + 1, /* Vhost */ + 1, /* Supports SNlines */ + 1, /* Supports SQlines */ + 1, /* Supports SZlines */ + 0, /* Join 2 Message */ + 0, /* Chan SQlines */ + 0, /* Quit on Kill */ + 1, /* vidents */ + 1, /* svshold */ + 1, /* time stamp on mode */ + 1, /* O:LINE */ + 1, /* UMODE */ + 1, /* No Knock requires +i */ + 1, /* Can remove User Channel Modes with SVSMODE */ + 0, /* Sglines are not enforced until user reconnects */ + 0, /* ts6 */ + "$", /* TLD Prefix for Global */ + 12, /* Max number of modes we can send per line */ + 0, /* IRCd sends a SSL users certificate fingerprint */ + } + , + {NULL} +}; + +/* PROTOCTL */ +/* + NICKv2 = Nick Version 2 + VHP = Sends hidden host + UMODE2 = sends UMODE2 on user modes + NICKIP = Sends IP on NICK + TOKEN = Use tokens to talk + SJ3 = Supports SJOIN + NOQUIT = No Quit + TKLEXT = Extended TKL we don't use it but best to have it + SJB64 = Base64 encoded time stamps + VL = Version Info + NS = Config->Numeric Server + +*/ +void unreal_cmd_capab() +{ + if (!Config->Numeric.empty()) + send_cmd("", "PROTOCTL NICKv2 VHP UMODE2 NICKIP TOKEN SJOIN SJOIN2 SJ3 NOQUIT TKLEXT VL"); + else + send_cmd("", "PROTOCTL NICKv2 VHP UMODE2 NICKIP TOKEN SJOIN SJOIN2 SJ3 NOQUIT TKLEXT"); +} + +/* PASS */ +void unreal_cmd_pass(const Anope::string &pass) +{ + send_cmd("", "PASS :%s", pass.c_str()); +} + +/* CHGHOST */ +void unreal_cmd_chghost(const Anope::string &nick, const Anope::string &vhost) +{ + if (nick.empty() || vhost.empty()) + return; + send_cmd(Config->ServerName, "AL %s %s", nick.c_str(), vhost.c_str()); +} + +/* CHGIDENT */ +void unreal_cmd_chgident(const Anope::string &nick, const Anope::string &vIdent) +{ + if (nick.empty() || vIdent.empty()) + return; + send_cmd(Config->ServerName, "AZ %s %s", nick.c_str(), vIdent.c_str()); +} + +class UnrealIRCdProto : public IRCDProto +{ + /* SVSNOOP */ + void SendSVSNOOP(const Anope::string &server, int set) + { + send_cmd("", "f %s %s", server.c_str(), set ? "+" : "-"); + } + + void SendAkillDel(const XLine *x) + { + send_cmd("", "BD - G %s %s %s", x->GetUser().c_str(), x->GetHost().c_str(), Config->s_OperServ.c_str()); + } + + void SendTopic(BotInfo *whosets, Channel *c) + { + send_cmd(whosets->nick, ") %s %s %lu :%s", c->name.c_str(), c->topic_setter.c_str(), static_cast<unsigned long>(c->topic_time + 1), c->topic.c_str()); + } + + void SendVhostDel(User *u) + { + BotInfo *bi = findbot(Config->s_HostServ); + u->RemoveMode(bi, UMODE_CLOAK); + u->RemoveMode(bi, UMODE_VHOST); + ModeManager::ProcessModes(); + u->SetMode(bi, UMODE_CLOAK); + } + + void SendAkill(User *, const XLine *x) + { + // Calculate the time left before this would expire, capping it at 2 days + time_t timeleft = x->Expires - Anope::CurTime; + if (timeleft > 172800) + timeleft = 172800; + send_cmd("", "BD + G %s %s %s %ld %ld :%s", x->GetUser().c_str(), x->GetHost().c_str(), x->By.c_str(), static_cast<long>(Anope::CurTime + timeleft), static_cast<long>(x->Created), x->Reason.c_str()); + } + + void SendSVSKillInternal(const BotInfo *source, const User *user, const Anope::string &buf) + { + send_cmd(source ? source->nick : Config->ServerName, "h %s :%s", user->nick.c_str(), buf.c_str()); + } + + void SendModeInternal(const BotInfo *source, const Channel *dest, const Anope::string &buf) + { + send_cmd(source->nick, "G %s %s", dest->name.c_str(), buf.c_str()); + } + + void SendModeInternal(const BotInfo *bi, const User *u, const Anope::string &buf) + { + send_cmd(bi ? bi->nick : Config->ServerName, "v %s %s", u->nick.c_str(), buf.c_str()); + } + + void SendClientIntroduction(const User *u, const Anope::string &modes) + { + XLine x(u->nick, "Reserved for services"); + ircdproto->SendSQLine(NULL, &x); + send_cmd("", "& %s 1 %ld %s %s %s 0 %s %s * :%s", u->nick.c_str(), static_cast<long>(u->timestamp), u->GetIdent().c_str(), u->host.c_str(), Config->ServerName.c_str(), modes.c_str(), u->host.c_str(), u->realname.c_str()); + } + + void SendKickInternal(const BotInfo *source, const Channel *chan, const User *user, const Anope::string &buf) + { + if (!buf.empty()) + send_cmd(source->nick, "H %s %s :%s", chan->name.c_str(), user->nick.c_str(), buf.c_str()); + else + send_cmd(source->nick, "H %s %s", chan->name.c_str(), user->nick.c_str()); + } + + void SendNoticeChanopsInternal(const BotInfo *source, const Channel *dest, const Anope::string &buf) + { + if (buf.empty()) + return; + send_cmd(source->nick, "B @%s :%s", dest->name.c_str(), buf.c_str()); + } + + /* SERVER name hop descript */ + /* Unreal 3.2 actually sends some info about itself in the descript area */ + void SendServer(const Server *server) + { + if (!Config->Numeric.empty()) + send_cmd("", "SERVER %s %d :U0-*-%s %s", server->GetName().c_str(), server->GetHops(), Config->Numeric.c_str(), server->GetDescription().c_str()); + else + send_cmd("", "SERVER %s %d :%s", server->GetName().c_str(), server->GetHops(), server->GetDescription().c_str()); + } + + /* JOIN */ + void SendJoin(BotInfo *user, Channel *c, const ChannelStatus *status) + { + send_cmd(Config->ServerName, "~ %ld %s :%s", static_cast<long>(c->creation_time), c->name.c_str(), user->nick.c_str()); + if (status) + for (unsigned i = 0; i < ModeManager::ChannelModes.size(); ++i) + if (status->HasFlag(ModeManager::ChannelModes[i]->Name)) + c->SetMode(user, ModeManager::ChannelModes[i], user->nick, false); + } + + /* unsqline + */ + void SendSQLineDel(const XLine *x) + { + send_cmd("", "d %s", x->Mask.c_str()); + } + + /* SQLINE */ + /* + ** - Unreal will translate this to TKL for us + ** + */ + void SendSQLine(User *, const XLine *x) + { + send_cmd("", "c %s :%s", x->Mask.c_str(), x->Reason.c_str()); + } + + /* + ** svso + ** parv[0] = sender prefix + ** parv[1] = nick + ** parv[2] = options + */ + void SendSVSO(const Anope::string &source, const Anope::string &nick, const Anope::string &flag) + { + send_cmd(source, "BB %s %s", nick.c_str(), flag.c_str()); + } + + /* NICK <newnick> */ + void SendChangeBotNick(const BotInfo *oldnick, const Anope::string &newnick) + { + send_cmd(oldnick->nick, "& %s %ld", newnick.c_str(), static_cast<long>(Anope::CurTime)); + } + + /* Functions that use serval cmd functions */ + + void SendVhost(User *u, const Anope::string &vIdent, const Anope::string &vhost) + { + if (!vIdent.empty()) + unreal_cmd_chgident(u->nick, vIdent); + if (!vhost.empty()) + unreal_cmd_chghost(u->nick, vhost); + } + + void SendConnect() + { + unreal_cmd_capab(); + unreal_cmd_pass(uplink_server->password); + SendServer(Me); + } + + /* SVSHOLD - set */ + void SendSVSHold(const Anope::string &nick) + { + send_cmd("", "BD + Q H %s %s %ld %ld :Being held for registered user", nick.c_str(), Config->ServerName.c_str(), static_cast<long>(Anope::CurTime + Config->NSReleaseTimeout), static_cast<long>(Anope::CurTime)); + } + + /* SVSHOLD - release */ + void SendSVSHoldDel(const Anope::string &nick) + { + send_cmd("", "BD - Q * %s %s", nick.c_str(), Config->ServerName.c_str()); + } + + /* UNSGLINE */ + /* + * SVSNLINE - :realname mask + */ + void SendSGLineDel(const XLine *x) + { + send_cmd("", "BR - :%s", x->Mask.c_str()); + } + + /* UNSZLINE */ + void SendSZLineDel(const XLine *x) + { + send_cmd("", "BD - Z * %s %s", x->Mask.c_str(), Config->s_OperServ.c_str()); + } + + /* SZLINE */ + void SendSZLine(User *, const XLine *x) + { + send_cmd("", "BD + Z * %s %s %ld %ld :%s", x->Mask.c_str(), x->By.c_str(), static_cast<long>(Anope::CurTime + 172800), static_cast<long>(Anope::CurTime), x->Reason.c_str()); + } + + /* SGLINE */ + /* + * SVSNLINE + reason_where_is_space :realname mask with spaces + */ + void SendSGLine(User *, const XLine *x) + { + Anope::string edited_reason = x->Reason; + edited_reason = edited_reason.replace_all_cs(" ", "_"); + send_cmd("", "BR + %s :%s", edited_reason.c_str(), x->Mask.c_str()); + } + + /* 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 Anope::string &source, const Anope::string &nick, const Anope::string &chan, const Anope::string ¶m) + { + if (!param.empty()) + send_cmd(source, "BX %s %s :%s", nick.c_str(), chan.c_str(), param.c_str()); + else + send_cmd(source, "BX %s :%s", nick.c_str(), chan.c_str()); + } + + void SendSWhois(const Anope::string &source, const Anope::string &who, const Anope::string &mask) + { + send_cmd(source, "BA %s :%s", who.c_str(), mask.c_str()); + } + + void SendEOB() + { + send_cmd(Config->ServerName, "ES"); + } + + bool IsNickValid(const Anope::string &nick) + { + if (nick.equals_ci("ircd") || nick.equals_ci("irc")) + return false; + + return true; + } + + bool IsChannelValid(const Anope::string &chan) + { + if (chan.find(':') != Anope::string::npos || chan[0] != '#') + return false; + + return true; + } + + void SetAutoIdentificationToken(User *u) + { + if (!u->Account()) + return; + + ircdproto->SendMode(nickserv->Bot(), u, "+d %d", u->timestamp); + } + + void SendUnregisteredNick(const User *u) + { + ircdproto->SendMode(nickserv->Bot(), u, "+d 1"); + } + + void SendChannel(Channel *c) + { + /* Unreal does not support updating a channels TS without actually joining a user, + * so we will join and part us now + */ + BotInfo *bi = c->ci->WhoSends(); + if (c->FindUser(bi) == NULL) + { + bi->Join(c); + bi->Part(c); + } + else + { + bi->Part(c); + bi->Join(c); + } + } +}; + +template<typename T> class UnrealExtBan : public T +{ + public: + UnrealExtBan(ChannelModeName mName, char modeChar) : T(mName, modeChar) { } + + bool Matches(User *u, const Entry *e) + { + const Anope::string &mask = e->mask; + + if (mask.find("~c:") == 0) + { + Anope::string channel = mask.substr(3); + + 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 = findchan(channel); + if (c != NULL) + { + UserContainer *uc = c->FindUser(u); + if (uc != NULL) + if (cm == NULL || uc->Status->HasFlag(cm->Name)) + return true; + } + } + else if (mask.find("~j:") == 0 || mask.find("~n:") == 0 || mask.find("~q:") == 0) + { + Anope::string real_mask = mask.substr(3); + + Entry en(this->Name, real_mask); + if (en.Matches(u)) + return true; + } + else if (mask.find("~r:") == 0) + { + Anope::string real_mask = mask.substr(3); + + if (Anope::Match(u->realname, real_mask)) + return true; + } + else if (mask.find("~R:") == 0) + { + if (u->HasMode(UMODE_REGISTERED) && mask.equals_ci(u->nick)) + return true; + } + + return false; + } +}; + +class ChannelModeFlood : public ChannelModeParam +{ + public: + ChannelModeFlood(char modeChar, bool minusNoArg) : ChannelModeParam(CMODE_FLOOD, modeChar, minusNoArg) { } + + /* Borrowed part of this check from UnrealIRCd */ + bool IsValid(const Anope::string &value) const + { + if (value.empty()) + return false; + try + { + Anope::string rest; + if (value[0] != ':' && convertTo<unsigned>(value[0] == '*' ? value.substr(1) : value, rest, false) > 0 && rest[0] == ':' && rest.length() > 1 && convertTo<unsigned>(rest.substr(1), rest, false) > 0 && rest.empty()) + return true; + } + catch (const ConvertException &) { } + + /* '['<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 compatability. */ + int v = arg.substr(0, p).is_number_only() ? convertTo<int>(arg.substr(0, p)) : 0; + if (v < 1 || v > 999) + return false; + } + + return true; + } +}; + +class Unreal32IRCdMessage : public IRCdMessage +{ + public: + bool OnMode(const Anope::string &source, const std::vector<Anope::string> ¶ms) + { + if (params.size() < 2) + return true; + + bool server_source = Server::Find(source) != NULL; + Anope::string modes = params[1]; + for (unsigned i = 2; i < params.size() - (server_source ? 1 : 0); ++i) + modes += " " + params[i]; + + if (params[0][0] == '#' || params[0][0] == '&') + do_cmode(source, params[0], modes, server_source ? params[params.size() - 1] : ""); + else + do_umode(params[0], modes); + + return true; + } + + /* + ** NICK - new + ** source = NULL + ** parv[0] = nickname + ** parv[1] = hopcount + ** parv[2] = timestamp + ** parv[3] = username + ** parv[4] = hostname + ** parv[5] = servername + ** if NICK version 1: + ** parv[6] = servicestamp + ** parv[7] = info + ** if NICK version 2: + ** parv[6] = servicestamp + ** parv[7] = umodes + ** parv[8] = virthost, * if none + ** parv[9] = info + ** if NICKIP: + ** parv[9] = ip + ** parv[10] = info + ** + ** NICK - change + ** source = oldnick + ** parv[0] = new nickname + ** parv[1] = hopcount + */ + bool OnNick(const Anope::string &source, const std::vector<Anope::string> ¶ms) + { + if (params.size() == 7) + { + /* + <codemastr> that was a bug that is now fixed in 3.2.1 + <codemastr> in some instances it would use the non-nickv2 format + <codemastr> it's sent when a nick collision occurs + - so we have to leave it around for now -TSL + */ + do_nick(source, params[0], params[3], params[4], params[5], params[6], Anope::string(params[2]).is_pos_number_only() ? convertTo<time_t>(params[2]) : 0, "", "*", "", ""); + } + else if (params.size() == 11) + { + Anope::string decoded_ip; + Anope::B64Decode(params[9], decoded_ip); + + sockaddrs ip; + ip.ntop(params[9].length() == 8 ? AF_INET : AF_INET6, decoded_ip.c_str()); + + Anope::string vhost = params[8]; + if (vhost.equals_cs("*")) + vhost.clear(); + + User *user = do_nick(source, params[0], params[3], params[4], params[5], params[10], Anope::string(params[2]).is_pos_number_only() ? convertTo<time_t>(params[2]) : 0, ip.addr(), vhost, "", params[7]); + if (user) + { + NickAlias *na = findnick(user->nick); + + if (na && user->timestamp == convertTo<time_t>(params[6])) + { + user->Login(na->nc); + if (na->nc->HasFlag(NI_UNCONFIRMED) == false && nickserv) + user->SetMode(nickserv->Bot(), UMODE_REGISTERED); + } + else if (nickserv) + nickserv->Validate(user); + } + } + else if (params.size() != 2) + { + Anope::string vhost = params[8]; + if (vhost.equals_cs("*")) + vhost.clear(); + + /* NON NICKIP */ + User *user = do_nick(source, params[0], params[3], params[4], params[5], params[9], Anope::string(params[2]).is_pos_number_only() ? convertTo<time_t>(params[2]) : 0, "", vhost, "", params[7]); + if (user) + { + NickAlias *na = findnick(user->nick); + + if (na && user->timestamp == convertTo<time_t>(params[6])) + { + user->Login(na->nc); + if (na->nc->HasFlag(NI_UNCONFIRMED) == false && nickserv) + user->SetMode(nickserv->Bot(), UMODE_REGISTERED); + } + else if (nickserv) + nickserv->Validate(user); + } + } + else + do_nick(source, params[0], "", "", "", "", Anope::string(params[1]).is_pos_number_only() ? convertTo<time_t>(params[1]) : 0, "", "", "", ""); + + return true; + } + + bool OnServer(const Anope::string &source, const std::vector<Anope::string> ¶ms) + { + if (params[1].equals_cs("1")) + { + Anope::string vl = myStrGetToken(params[2], ' ', 0); + Anope::string upnumeric = myStrGetToken(vl, '-', 2); + Anope::string desc = myStrGetTokenRemainder(params[2], ' ', 1); + do_server(source, params[0], Anope::string(params[1]).is_pos_number_only() ? convertTo<unsigned>(params[1]) : 0, desc, upnumeric); + } + else + do_server(source, params[0], Anope::string(params[1]).is_pos_number_only() ? convertTo<unsigned>(params[1]) : 0, params[2], ""); + + ircdproto->SendPing(Config->ServerName, params[0]); + + return true; + } + + /* + ** source = sender prefix + ** parv[0] = channel name + ** parv[1] = topic nickname + ** parv[2] = topic time + ** parv[3] = topic text + */ + bool OnTopic(const Anope::string &, const std::vector<Anope::string> ¶ms) + { + if (params.size() != 4) + return true; + + Channel *c = findchan(params[0]); + if (!c) + { + Log() << "TOPIC for nonexistant channel " << params[0]; + return true; + } + + c->ChangeTopicInternal(params[1], params[3], Anope::string(params[2]).is_pos_number_only() ? convertTo<time_t>(params[2]) : Anope::CurTime); + + return true; + } + + bool OnCapab(const Anope::string &source, const std::vector<Anope::string> ¶ms) + { + for (unsigned i = 0; i < params.size(); ++i) + { + Anope::string capab = params[i]; + + 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 (size_t t = 0, end = modebuf.length(); t < end; ++t) + { + switch (modebuf[t]) + { + case 'b': + ModeManager::AddChannelMode(new UnrealExtBan<ChannelModeBan>(CMODE_BAN, 'b')); + continue; + case 'e': + ModeManager::AddChannelMode(new UnrealExtBan<ChannelModeList>(CMODE_EXCEPT, 'e')); + continue; + case 'I': + ModeManager::AddChannelMode(new UnrealExtBan<ChannelModeList>(CMODE_INVITEOVERRIDE, 'I')); + continue; + default: + ModeManager::AddChannelMode(new ChannelModeList(CMODE_END, modebuf[t])); + } + } + + sep.GetToken(modebuf); + for (size_t t = 0, end = modebuf.length(); t < end; ++t) + { + switch (modebuf[t]) + { + case 'k': + ModeManager::AddChannelMode(new ChannelModeKey('k')); + continue; + case 'f': + ModeManager::AddChannelMode(new ChannelModeFlood('f', false)); + continue; + case 'L': + ModeManager::AddChannelMode(new ChannelModeParam(CMODE_REDIRECT, 'L')); + continue; + default: + ModeManager::AddChannelMode(new ChannelModeParam(CMODE_END, modebuf[t])); + } + } + + sep.GetToken(modebuf); + for (size_t t = 0, end = modebuf.length(); t < end; ++t) + { + switch (modebuf[t]) + { + case 'l': + ModeManager::AddChannelMode(new ChannelModeParam(CMODE_LIMIT, 'l', true)); + continue; + case 'j': + ModeManager::AddChannelMode(new ChannelModeParam(CMODE_JOINFLOOD, 'j', true)); + continue; + default: + ModeManager::AddChannelMode(new ChannelModeParam(CMODE_END, modebuf[t], true)); + } + } + + sep.GetToken(modebuf); + for (size_t t = 0, end = modebuf.length(); t < end; ++t) + { + switch (modebuf[t]) + { + case 'p': + ModeManager::AddChannelMode(new ChannelMode(CMODE_PRIVATE, 'p')); + continue; + case 's': + ModeManager::AddChannelMode(new ChannelMode(CMODE_SECRET, 's')); + continue; + case 'm': + ModeManager::AddChannelMode(new ChannelMode(CMODE_MODERATED, 'm')); + continue; + case 'n': + ModeManager::AddChannelMode(new ChannelMode(CMODE_NOEXTERNAL, 'n')); + continue; + case 't': + ModeManager::AddChannelMode(new ChannelMode(CMODE_TOPIC, 't')); + continue; + case 'i': + ModeManager::AddChannelMode(new ChannelMode(CMODE_INVITE, 'i')); + continue; + case 'r': + ModeManager::AddChannelMode(new ChannelModeRegistered('r')); + continue; + case 'R': + ModeManager::AddChannelMode(new ChannelMode(CMODE_REGISTEREDONLY, 'R')); + continue; + case 'c': + ModeManager::AddChannelMode(new ChannelMode(CMODE_BLOCKCOLOR, 'c')); + continue; + case 'O': + ModeManager::AddChannelMode(new ChannelModeOper('O')); + continue; + case 'A': + ModeManager::AddChannelMode(new ChannelModeAdmin('A')); + continue; + case 'Q': + ModeManager::AddChannelMode(new ChannelMode(CMODE_NOKICK, 'Q')); + continue; + case 'K': + ModeManager::AddChannelMode(new ChannelMode(CMODE_NOKNOCK, 'K')); + continue; + case 'V': + ModeManager::AddChannelMode(new ChannelMode(CMODE_NOINVITE, 'V')); + continue; + case 'C': + ModeManager::AddChannelMode(new ChannelMode(CMODE_NOCTCP, 'C')); + continue; + case 'u': + ModeManager::AddChannelMode(new ChannelMode(CMODE_AUDITORIUM, 'u')); + continue; + case 'z': + ModeManager::AddChannelMode(new ChannelMode(CMODE_SSL, 'z')); + continue; + case 'N': + ModeManager::AddChannelMode(new ChannelMode(CMODE_NONICK, 'N')); + continue; + case 'S': + ModeManager::AddChannelMode(new ChannelMode(CMODE_STRIPCOLOR, 'S')); + continue; + case 'M': + ModeManager::AddChannelMode(new ChannelMode(CMODE_REGMODERATED, 'M')); + continue; + case 'T': + ModeManager::AddChannelMode(new ChannelMode(CMODE_NONOTICE, 'T')); + continue; + case 'G': + ModeManager::AddChannelMode(new ChannelMode(CMODE_FILTER, 'G')); + continue; + default: + ModeManager::AddChannelMode(new ChannelMode(CMODE_END, modebuf[t])); + } + } + } + } + + IRCdMessage::OnCapab(source, params); + + return true; + } + + bool OnSJoin(const Anope::string &source, const std::vector<Anope::string> ¶ms) + { + Channel *c = findchan(params[1]); + time_t ts = Anope::string(params[0]).is_pos_number_only() ? convertTo<time_t>(params[0]) : 0; + bool keep_their_modes = true; + + if (!c) + { + c = new Channel(params[1], ts); + c->SetFlag(CH_SYNCING); + } + /* Our creation time is newer than what the server gave us */ + else if (c->creation_time > ts) + { + c->creation_time = ts; + c->Reset(); + } + /* Their TS is newer than ours, our modes > theirs, unset their modes if need be */ + else if (ts > c->creation_time) + keep_their_modes = false; + + /* If we need to keep their modes, and this SJOIN string contains modes */ + if (keep_their_modes && params.size() >= 4) + { + Anope::string modes; + for (unsigned i = 2; i < params.size() - 1; ++i) + modes += " " + params[i]; + if (!modes.empty()) + modes.erase(modes.begin()); + /* Set the modes internally */ + c->SetModesInternal(NULL, modes); + } + + ChannelMode *ban = ModeManager::FindChannelModeByName(CMODE_BAN), + *except = ModeManager::FindChannelModeByName(CMODE_EXCEPT), + *invex = ModeManager::FindChannelModeByName(CMODE_INVITEOVERRIDE); + spacesepstream sep(params[params.size() - 1]); + Anope::string buf; + while (sep.GetToken(buf)) + { + /* Ban */ + if (keep_their_modes && ban && buf[0] == '&') + { + buf.erase(buf.begin()); + c->SetModeInternal(ban, buf); + } + /* Except */ + else if (keep_their_modes && except && buf[0] == '"') + { + buf.erase(buf.begin()); + c->SetModeInternal(except, buf); + } + /* Invex */ + else if (keep_their_modes && invex && buf[0] == '\'') + { + buf.erase(buf.begin()); + c->SetModeInternal(invex, buf); + } + else + { + std::list<ChannelMode *> Status; + char ch; + + /* Get prefixes from the nick */ + while ((ch = ModeManager::GetStatusChar(buf[0]))) + { + buf.erase(buf.begin()); + ChannelMode *cm = ModeManager::FindChannelModeByChar(ch); + if (!cm) + { + Log() << "Received unknown mode prefix " << ch << " in SJOIN string"; + continue; + } + + if (keep_their_modes) + Status.push_back(cm); + } + + User *u = finduser(buf); + if (!u) + { + Log(LOG_DEBUG) << "SJOIN for nonexistant user " << buf << " on " << c->name; + continue; + } + + EventReturn MOD_RESULT; + FOREACH_RESULT(I_OnPreJoinChannel, OnPreJoinChannel(u, c)); + + /* Add the user to the channel */ + c->JoinUser(u); + + /* Update their status internally on the channel + * This will enforce secureops etc on the user + */ + for (std::list<ChannelMode *>::iterator it = Status.begin(), it_end = Status.end(); it != it_end; ++it) + c->SetModeInternal(*it, buf); + + /* Now set whatever modes this user is allowed to have on the channel */ + chan_set_correct_modes(u, c, 1); + + /* Check to see if modules want the user to join, if they do + * check to see if they are allowed to join (CheckKick will kick/ban them) + * Don't trigger OnJoinChannel event then as the user will be destroyed + */ + if (MOD_RESULT != EVENT_STOP && c->ci && c->ci->CheckKick(u)) + continue; + + FOREACH_MOD(I_OnJoinChannel, OnJoinChannel(u, c)); + } + } + + /* Channel is done syncing */ + if (c->HasFlag(CH_SYNCING)) + { + /* Unset the syncing flag */ + c->UnsetFlag(CH_SYNCING); + c->Sync(); + } + + return true; + } +}; + + +/** 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. + */ +bool event_pong(const Anope::string &source, const std::vector<Anope::string> ¶ms) +{ + Server *s = Server::Find(source); + if (s && !s->IsSynced()) + s->Sync(false); + return true; +} + +/* 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 + */ +bool event_netinfo(const Anope::string &source, const std::vector<Anope::string> ¶ms) +{ + send_cmd("", "AO %ld %ld %d %s 0 0 0 :%s", static_cast<long>(maxusercnt), static_cast<long>(Anope::CurTime), Anope::string(params[2]).is_number_only() ? convertTo<int>(params[2]) : 0, params[3].c_str(), params[7].c_str()); + return true; +} + +/* Unreal sends USER modes with this */ +/* + umode2 + parv[0] - sender + parv[1] - modes to change +*/ +bool event_umode2(const Anope::string &source, const std::vector<Anope::string> ¶ms) +{ + if (params.size() < 1) + return true; + + do_umode(source, params[0]); + return true; +} + + +bool event_setname(const Anope::string &source, const std::vector<Anope::string> ¶ms) +{ + if (params.size() != 1) + return true; + + User *u = finduser(source); + if (!u) + { + Log(LOG_DEBUG) << "SETNAME for nonexistent user " << source; + return true; + } + + u->SetRealname(params[0]); + return true; +} + +bool event_chgname(const Anope::string &source, const std::vector<Anope::string> ¶ms) +{ + if (params.size() != 2) + return true; + + User *u = finduser(params[0]); + if (!u) + { + Log(LOG_DEBUG) << "CHGNAME for nonexistent user " << params[0]; + return true; + } + + u->SetRealname(params[1]); + return true; +} + +bool event_setident(const Anope::string &source, const std::vector<Anope::string> ¶ms) +{ + if (params.size() != 1) + return true; + + User *u = finduser(source); + if (!u) + { + Log(LOG_DEBUG) << "SETIDENT for nonexistent user " << source; + return true; + } + + u->SetVIdent(params[0]); + return true; +} + +bool event_chgident(const Anope::string &source, const std::vector<Anope::string> ¶ms) +{ + if (params.size() != 2) + return true; + + User *u = finduser(params[0]); + if (!u) + { + Log(LOG_DEBUG) << "CHGIDENT for nonexistent user " << params[0]; + return true; + } + + u->SetVIdent(params[1]); + return true; +} + +bool event_sethost(const Anope::string &source, const std::vector<Anope::string> ¶ms) +{ + if (params.size() != 1) + return true; + + User *u = finduser(source); + if (!u) + { + Log(LOG_DEBUG) << "SETHOST for nonexistent user " << source; + return true; + } + + /* When a user sets +x we recieve the new host and then the mode change */ + if (u->HasMode(UMODE_CLOAK)) + u->SetDisplayedHost(params[0]); + else + u->SetCloakedHost(params[0]); + + return true; +} + +bool event_chghost(const Anope::string &source, const std::vector<Anope::string> ¶ms) +{ + if (params.size() != 2) + return true; + + User *u = finduser(params[0]); + if (!u) + { + Log(LOG_DEBUG) << "debug: CHGHOST for nonexistent user " << params[0]; + return true; + } + + u->SetDisplayedHost(params[1]); + return true; +} + +bool event_sdesc(const Anope::string &source, const std::vector<Anope::string> ¶ms) +{ + Server *s = Server::Find(source); + + if (s) + s->SetDescription(params[0]); + + return true; +} + +class ProtoUnreal : public Module +{ + Message message_away, message_join, message_kick, + message_kill, message_mode, message_nick, message_part, + message_ping, message_pong, message_pong2, message_privmsg, + message_quit, message_server, message_squit, message_topic, + message_svsmode, message_svsmode2, message_svs2mode, message_svs2mode2, message_whois, + message_capab, message_capab2, message_chghost, message_chghost2, message_chgident, message_chgident2, + message_chgname, message_chgname2, message_netinfo, message_netinfo2, message_sethost, message_sethost2, + message_setident, message_setident2, message_setname, message_setname2, message_error, + message_umode2, message_umode22, message_sjoin, message_sdesc, message_sdesc2; + + /* Non-token of these in messages.cpp */ + Message message_stats, message_time, message_version; + + UnrealIRCdProto ircd_proto; + Unreal32IRCdMessage ircd_message; + + void AddModes() + { + ModeManager::AddChannelMode(new ChannelModeStatus(CMODE_VOICE, 'v', '+')); + ModeManager::AddChannelMode(new ChannelModeStatus(CMODE_HALFOP, 'h', '%')); + ModeManager::AddChannelMode(new ChannelModeStatus(CMODE_OP, 'o', '@')); + /* Unreal sends +q as * and +a as ~ */ + ModeManager::AddChannelMode(new ChannelModeStatus(CMODE_PROTECT, 'a', '~')); + ModeManager::AddChannelMode(new ChannelModeStatus(CMODE_OWNER, 'q', '*')); + + /* Add user modes */ + ModeManager::AddUserMode(new UserMode(UMODE_SERV_ADMIN, 'A')); + ModeManager::AddUserMode(new UserMode(UMODE_BOT, 'B')); + ModeManager::AddUserMode(new UserMode(UMODE_CO_ADMIN, 'C')); + ModeManager::AddUserMode(new UserMode(UMODE_FILTER, 'G')); + ModeManager::AddUserMode(new UserMode(UMODE_HIDEOPER, 'H')); + ModeManager::AddUserMode(new UserMode(UMODE_NETADMIN, 'N')); + ModeManager::AddUserMode(new UserMode(UMODE_REGPRIV, 'R')); + ModeManager::AddUserMode(new UserMode(UMODE_PROTECTED, 'S')); + ModeManager::AddUserMode(new UserMode(UMODE_NO_CTCP, 'T')); + ModeManager::AddUserMode(new UserMode(UMODE_WEBTV, 'V')); + ModeManager::AddUserMode(new UserMode(UMODE_WHOIS, 'W')); + ModeManager::AddUserMode(new UserMode(UMODE_ADMIN, 'a')); + ModeManager::AddUserMode(new UserMode(UMODE_DEAF, 'd')); + ModeManager::AddUserMode(new UserMode(UMODE_GLOBOPS, 'g')); + ModeManager::AddUserMode(new UserMode(UMODE_HELPOP, 'h')); + ModeManager::AddUserMode(new UserMode(UMODE_INVIS, 'i')); + ModeManager::AddUserMode(new UserMode(UMODE_OPER, 'o')); + ModeManager::AddUserMode(new UserMode(UMODE_PRIV, 'p')); + ModeManager::AddUserMode(new UserMode(UMODE_GOD, 'q')); + ModeManager::AddUserMode(new UserMode(UMODE_REGISTERED, 'r')); + ModeManager::AddUserMode(new UserMode(UMODE_SNOMASK, 's')); + ModeManager::AddUserMode(new UserMode(UMODE_VHOST, 't')); + ModeManager::AddUserMode(new UserMode(UMODE_WALLOPS, 'w')); + ModeManager::AddUserMode(new UserMode(UMODE_CLOAK, 'x')); + ModeManager::AddUserMode(new UserMode(UMODE_SSL, 'z')); + } + + public: + ProtoUnreal(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, PROTOCOL), + message_away("6", OnAway), + message_join("C", OnJoin), + message_kick("H", OnKick), message_kill(".", OnKill), + message_mode("G", OnMode), + message_nick("&", OnNick), message_part("D", OnPart), + message_ping("8", OnPing), message_pong("PONG", event_pong), + message_pong2("9", event_pong), message_privmsg("!", ::OnPrivmsg), + message_quit(",", OnQuit), + message_server("'", OnServer), message_squit("-", OnSQuit), + message_topic(")", OnTopic), message_svsmode("SVSMODE", OnMode), + message_svsmode2("n", OnMode), message_svs2mode("SVS2MODE", OnMode), message_svs2mode2("v", OnMode), + message_whois("#", OnWhois), message_capab("PROTOCTL", OnCapab), + message_capab2("_", OnCapab), message_chghost("CHGHOST", event_chghost), message_chghost2("AL", event_chghost), + message_chgident("CHGIDENT", event_chgident), message_chgident2("AZ", event_chgident), + message_chgname("CHGNAME", event_chgname), message_chgname2("BK", event_chgname), + message_netinfo("NETINFO", event_netinfo), message_netinfo2("AO", event_netinfo), + message_sethost("SETHOST", event_sethost), message_sethost2("AA", event_sethost), + message_setident("SETIDENT", event_setident), message_setident2("AD", event_setident), + message_setname("SETNAME", event_setname), message_setname2("AE", event_setname), + message_error("5", OnError), message_umode2("UMODE2", event_umode2), + message_umode22("|", event_umode2), message_sjoin("~", OnSJoin), + message_sdesc("SDESC", event_sdesc), message_sdesc2("AG", event_sdesc), + + message_stats("2", OnStats), message_time(">", OnTime), message_version("+", OnVersion) + { + this->SetAuthor("Anope"); + + pmodule_ircd_var(myIrcd); + pmodule_ircd_proto(&this->ircd_proto); + pmodule_ircd_message(&this->ircd_message); + + this->AddModes(); + + ModuleManager::Attach(I_OnUserNickChange, this); + } + + void OnUserNickChange(User *u, const Anope::string &) + { + u->RemoveModeInternal(ModeManager::FindUserModeByName(UMODE_REGISTERED)); + } +}; + +MODULE_INIT(ProtoUnreal) |