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anope/modules/protocol/bahamut.cpp
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Adam 2370c16f1e Fixed build from the previous merge
2012-04-24 16:02:07 -04:00

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/* Bahamut functions
*
* (C) 2003-2012 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"
IRCDVar myIrcd = {
"Bahamut 1.8.x", /* ircd name */
"+", /* Modes used by pseudoclients */
1, /* SVSNICK */
0, /* Vhost */
1, /* Supports SNlines */
1, /* Supports SQlines */
1, /* Supports SZlines */
0, /* Join 2 Message */
1, /* Chan SQlines */
1, /* Quit on Kill */
0, /* vidents */
1, /* svshold */
1, /* time stamp on mode */
0, /* O:LINE */
1, /* UMODE */
1, /* No Knock requires +i */
0, /* Can remove User Channel Modes with SVSMODE */
0, /* Sglines are not enforced until user reconnects */
0, /* ts6 */
"$", /* TLD Prefix for Global */
6, /* Max number of modes we can send per line */
0 /* IRCd sends a SSL users certificate fingerprint */
};
class BahamutIRCdProto : public IRCDProto
{
void SendModeInternal(const BotInfo *source, const Channel *dest, const Anope::string &buf) anope_override
{
if (Capab.count("TSMODE") > 0)
{
if (source)
UplinkSocket::Message(source) << "MODE " << dest->name << " " << dest->creation_time << " " << buf;
else
UplinkSocket::Message(Me) << "MODE " << dest->name << " " << dest->creation_time << " " << buf;
}
else
IRCDProto::SendModeInternal(source, dest, buf);
}
void SendModeInternal(const BotInfo *bi, const User *u, const Anope::string &buf) anope_override
{
if (bi)
UplinkSocket::Message(bi) << "SVSMODE " << u->nick << " " << u->timestamp << " " << buf;
else
UplinkSocket::Message(Me) << "SVSMODE " << u->nick << " " << u->timestamp << " " << buf;
}
/* SVSHOLD - set */
void SendSVSHold(const Anope::string &nick) anope_override
{
UplinkSocket::Message(Me) << "SVSHOLD " << nick << " " << Config->NSReleaseTimeout << " :Being held for registered user";
}
/* SVSHOLD - release */
void SendSVSHoldDel(const Anope::string &nick) anope_override
{
UplinkSocket::Message(Me) << "SVSHOLD " << nick << " 0";
}
/* SQLINE */
void SendSQLine(User *, const XLine *x) anope_override
{
UplinkSocket::Message() << "SQLINE " << x->Mask << " :" << x->GetReason();
}
/* UNSLINE */
void SendSGLineDel(const XLine *x) anope_override
{
UplinkSocket::Message() << "UNSGLINE 0 :" << x->Mask;
}
/* UNSZLINE */
void SendSZLineDel(const XLine *x) anope_override
{
/* this will likely fail so its only here for legacy */
UplinkSocket::Message() << "UNSZLINE 0 " << x->GetHost();
/* this is how we are supposed to deal with it */
UplinkSocket::Message() << "RAKILL " << x->GetHost() << " *";
}
/* SZLINE */
void SendSZLine(User *, 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;
/* this will likely fail so its only here for legacy */
UplinkSocket::Message() << "SZLINE " << x->GetHost() << " :" << x->GetReason();
/* this is how we are supposed to deal with it */
UplinkSocket::Message() << "AKILL " << x->GetHost() << " * " << timeleft << " " << x->By << " " << Anope::CurTime << " :" << x->GetReason();
}
/* SVSNOOP */
void SendSVSNOOP(const Server *server, bool set) anope_override
{
UplinkSocket::Message() << "SVSNOOP " << server->GetName() << " " << (set ? "+" : "-");
}
/* SGLINE */
void SendSGLine(User *, const XLine *x) anope_override
{
UplinkSocket::Message() << "SGLINE " << x->Mask.length() << " :" << x->Mask << ":" << x->GetReason();
}
/* RAKILL */
void SendAkillDel(const XLine *x) anope_override
{
if (x->IsRegex() || x->HasNickOrReal())
return;
/* ZLine if we can instead */
try
{
if (x->GetUser() == "*")
{
sockaddrs(x->GetHost());
ircdproto->SendSZLineDel(x);
return;
}
}
catch (const SocketException &) { }
UplinkSocket::Message() << "RAKILL " << x->GetHost() << " " << x->GetUser();
}
/* TOPIC */
void SendTopic(BotInfo *whosets, Channel *c) anope_override
{
UplinkSocket::Message(whosets) << "TOPIC " << c->name << " " << c->topic_setter << " " << c->topic_time << " :" << c->topic;
}
/* UNSQLINE */
void SendSQLineDel(const XLine *x) anope_override
{
UplinkSocket::Message() << "UNSQLINE " << x->Mask;
}
/* JOIN - SJOIN */
void SendJoin(const User *user, Channel *c, const ChannelStatus *status) anope_override
{
UplinkSocket::Message(user) << "SJOIN " << c->creation_time << " " << c->name;
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.
*/
UserContainer *uc = c->FindUser(user);
if (uc != NULL)
uc->Status->ClearFlags();
BotInfo *setter = findbot(user->nick);
for (unsigned i = 0; i < ModeManager::ChannelModes.size(); ++i)
if (cs.HasFlag(ModeManager::ChannelModes[i]->Name))
c->SetMode(setter, ModeManager::ChannelModes[i], user->nick, false);
}
}
void SendAkill(User *u, XLine *x) anope_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 (Anope::insensitive_map<User *>::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->UID);
old->manager->AddXLine(x);
Log(findbot(Config->OperServ), "akill") << "AKILL: Added an akill for " << x->Mask << " because " << u->GetMask() << "#" << u->realname << " matches " << old->Mask;
}
/* ZLine if we can instead */
try
{
if (x->GetUser() == "*")
{
sockaddrs(x->GetHost());
ircdproto->SendSZLine(u, x);
return;
}
}
catch (const SocketException &) { }
// 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;
UplinkSocket::Message() << "AKILL " << x->GetHost() << " " << x->GetUser() << " " << timeleft << " " << x->By << " " << Anope::CurTime << " :" << x->GetReason();
}
/*
Note: if the stamp is null 0, the below usage is correct of Bahamut
*/
void SendSVSKillInternal(const BotInfo *source, const User *user, const Anope::string &buf) anope_override
{
if (source)
UplinkSocket::Message(source) << "SVSKILL " << user->nick << " :" << buf;
else
UplinkSocket::Message() << "SVSKILL " << user->nick << " :" << buf;
}
void SendBOB() anope_override
{
UplinkSocket::Message() << "BURST";
}
void SendEOB() anope_override
{
UplinkSocket::Message() << "BURST 0";
}
void SendClientIntroduction(const User *u) anope_override
{
Anope::string modes = "+" + u->GetModes();
UplinkSocket::Message() << "NICK " << u->nick << " 1 " << u->timestamp << " " << modes << " " << u->GetIdent() << " " << u->host << " " << u->server->GetName() << " 0 0 :" << u->realname;
}
/* SERVER */
void SendServer(const Server *server) anope_override
{
UplinkSocket::Message() << "SERVER " << server->GetName() << " " << server->GetHops() << " :" << server->GetDescription();
}
void SendConnect() anope_override
{
UplinkSocket::Message() << "PASS " << Config->Uplinks[CurrentUplink]->password << " :TS";
UplinkSocket::Message() << "CAPAB SSJOIN NOQUIT BURST UNCONNECT NICKIP TSMODE TS3";
SendServer(Me);
/*
* SVINFO
* parv[0] = sender prefix
* parv[1] = TS_CURRENT for the server
* parv[2] = TS_MIN for the server
* parv[3] = server is standalone or connected to non-TS only
* parv[4] = server's idea of UTC time
*/
UplinkSocket::Message() << "SVINFO 3 1 0 :" << Anope::CurTime;
this->SendBOB();
}
void SendChannel(Channel *c) anope_override
{
Anope::string modes = c->GetModes(true, true);
if (modes.empty())
modes = "+";
UplinkSocket::Message() << "SJOIN " << c->creation_time << " " << c->name << " " << modes << " :";
}
void SendLogin(User *u) anope_override
{
const BotInfo *ns = findbot(Config->NickServ);
ircdproto->SendMode(ns, u, "+d %d", u->timestamp);
}
void SendLogout(User *u) anope_override
{
const BotInfo *ns = findbot(Config->NickServ);
ircdproto->SendMode(ns, u, "+d 1");
}
};
class BahamutIRCdMessage : public IRCdMessage
{
public:
bool OnMode(const Anope::string &source, const std::vector<Anope::string> &params) anope_override
{
if (params.size() > 2 && (params[0][0] == '#' || params[0][0] == '&'))
do_cmode(source, params[0], params[2], params[1]);
else if (params.size() > 1)
do_umode(params[0], params[1]);
return true;
}
/*
** NICK - new
** source = NULL
** parv[0] = nickname
** parv[1] = hopcount
** parv[2] = timestamp
** parv[3] = modes
** parv[4] = username
** parv[5] = hostname
** parv[6] = server
** parv[7] = servicestamp
** parv[8] = IP
** parv[9] = info
** NICK - change
** source = oldnick
** parv[0] = new nickname
** parv[1] = hopcount
*/
bool OnNick(const Anope::string &source, const std::vector<Anope::string> &params) anope_override
{
if (params.size() != 2)
{
/* Currently bahamut has no ipv6 support */
sockaddrs ip;
ip.ntop(AF_INET, params[8].c_str());
User *user = do_nick(source, params[0], params[4], params[5], params[6], params[9], Anope::string(params[2]).is_pos_number_only() ? convertTo<time_t>(params[2]) : 0, ip.addr(), "", "", params[3]);
if (user && nickserv)
{
const NickAlias *na;
if (user->timestamp == convertTo<time_t>(params[7]) && (na = findnick(user->nick)))
{
NickCore *nc = na->nc;
user->Login(nc);
if (!Config->NoNicknameOwnership && na->nc->HasFlag(NI_UNCONFIRMED) == false)
user->SetMode(findbot(Config->NickServ), UMODE_REGISTERED);
}
else
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> &params) anope_override
{
do_server(source, params[0], Anope::string(params[1]).is_pos_number_only() ? convertTo<unsigned>(params[1]) : 0, params[2], "");
return true;
}
bool OnTopic(const Anope::string &, const std::vector<Anope::string> &params) anope_override
{
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 OnSJoin(const Anope::string &source, const std::vector<Anope::string> &params) anope_override
{
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)
{
/* Set the modes internally */
Anope::string modes;
for (unsigned i = 2; i < params.size(); ++i)
modes += " " + params[i];
if (!modes.empty())
modes.erase(modes.begin());
c->SetModesInternal(NULL, modes);
}
/* For some reason, bahamut will send a SJOIN from the user joining a channel
* if the channel already existed
*/
if (!c->HasFlag(CH_SYNCING) && params.size() == 2)
{
User *u = finduser(source);
if (!u)
Log(LOG_DEBUG) << "SJOIN for nonexistant user " << source << " on " << c->name;
else
{
EventReturn MOD_RESULT;
FOREACH_RESULT(I_OnPreJoinChannel, OnPreJoinChannel(u, c));
/* Add the user to the channel */
c->JoinUser(u);
/* 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)))
{
FOREACH_MOD(I_OnJoinChannel, OnJoinChannel(u, c));
}
}
}
else
{
spacesepstream sep(params[params.size() - 1]);
Anope::string buf;
while (sep.GetToken(buf))
{
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 " << cm << " 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(NULL, *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;
}
};
bool event_burst(const Anope::string &source, const std::vector<Anope::string> &params)
{
Server *s = Server::Find(source);
if (params.empty())
{
/* for future use - start burst */
}
else
{
/* If we found a server with the given source, that one just
* finished bursting. If there was no source, then our uplink
* server finished bursting. -GD
*/
if (!s)
s = Me->GetLinks().front();
if (s)
s->Sync(true);
}
return true;
}
class ChannelModeFlood : public ChannelModeParam
{
public:
ChannelModeFlood(char modeChar, bool minusNoArg) : ChannelModeParam(CMODE_FLOOD, modeChar, minusNoArg) { }
bool IsValid(const Anope::string &value) const anope_override
{
try
{
Anope::string rest;
if (!value.empty() && value[0] != ':' && convertTo<int>(value[0] == '*' ? value.substr(1) : value, rest, false) > 0 && rest[0] == ':' && rest.length() > 1 && convertTo<int>(rest.substr(1), rest, false) > 0 && rest.empty())
return true;
}
catch (const ConvertException &) { }
return false;
}
};
class ProtoBahamut : public Module
{
Message message_svsmode, message_burst;
BahamutIRCdProto ircd_proto;
BahamutIRCdMessage ircd_message;
void AddModes()
{
/* Add user modes */
ModeManager::AddUserMode(new UserMode(UMODE_SERV_ADMIN, 'A'));
ModeManager::AddUserMode(new UserMode(UMODE_REGPRIV, 'R'));
ModeManager::AddUserMode(new UserMode(UMODE_ADMIN, 'a'));
ModeManager::AddUserMode(new UserMode(UMODE_INVIS, 'i'));
ModeManager::AddUserMode(new UserMode(UMODE_OPER, 'o'));
ModeManager::AddUserMode(new UserMode(UMODE_REGISTERED, 'r'));
ModeManager::AddUserMode(new UserMode(UMODE_SNOMASK, 's'));
ModeManager::AddUserMode(new UserMode(UMODE_WALLOPS, 'w'));
ModeManager::AddUserMode(new UserMode(UMODE_DEAF, 'd'));
/* b/e/I */
ModeManager::AddChannelMode(new ChannelModeList(CMODE_BAN, 'b'));
/* v/h/o/a/q */
ModeManager::AddChannelMode(new ChannelModeStatus(CMODE_VOICE, 'v', '+', 0));
ModeManager::AddChannelMode(new ChannelModeStatus(CMODE_OP, 'o', '@', 1));
/* Add channel modes */
ModeManager::AddChannelMode(new ChannelMode(CMODE_BLOCKCOLOR, 'c'));
ModeManager::AddChannelMode(new ChannelMode(CMODE_INVITE, 'i'));
ModeManager::AddChannelMode(new ChannelModeFlood('f', false));
ModeManager::AddChannelMode(new ChannelModeKey('k'));
ModeManager::AddChannelMode(new ChannelModeParam(CMODE_LIMIT, 'l'));
ModeManager::AddChannelMode(new ChannelMode(CMODE_MODERATED, 'm'));
ModeManager::AddChannelMode(new ChannelMode(CMODE_NOEXTERNAL, 'n'));
ModeManager::AddChannelMode(new ChannelMode(CMODE_PRIVATE, 'p'));
ModeManager::AddChannelMode(new ChannelModeRegistered('r'));
ModeManager::AddChannelMode(new ChannelMode(CMODE_SECRET, 's'));
ModeManager::AddChannelMode(new ChannelMode(CMODE_TOPIC, 't'));
ModeManager::AddChannelMode(new ChannelMode(CMODE_REGMODERATED, 'M'));
ModeManager::AddChannelMode(new ChannelModeOper('O'));
ModeManager::AddChannelMode(new ChannelMode(CMODE_REGISTEREDONLY, 'R'));
}
public:
ProtoBahamut(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, PROTOCOL),
message_svsmode("SVSMODE", OnMode), message_burst("BURST", event_burst)
{
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);
}
~ProtoBahamut()
{
pmodule_ircd_var(NULL);
pmodule_ircd_proto(NULL);
pmodule_ircd_message(NULL);
}
void OnUserNickChange(User *u, const Anope::string &) anope_override
{
u->RemoveModeInternal(ModeManager::FindUserModeByName(UMODE_REGISTERED));
}
};
MODULE_INIT(ProtoBahamut)
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