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anope/modules/protocol/inspircd3.cpp
acidvegas 45be6747c9
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2023-05-07 13:44:21 -04:00

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/* InspIRCd 3.0 functions
*
* (C) 2003-2022 Anope Team
* Contact us at team@anope.org
*
* Please read COPYING and README for further details.
*
* Based on the original code of Epona by Lara.
* Based on the original code of Services by Andy Church.
*/
#include "module.h"
#include "modules/cs_mode.h"
#include "modules/sasl.h"
typedef std::map<char, unsigned> ListLimits;
struct SASLUser
{
Anope::string uid;
Anope::string acc;
time_t created;
};
static std::list<SASLUser> saslusers;
static Anope::string rsquit_server, rsquit_id;
class InspIRCd3Proto : public IRCDProto
{
private:
void SendChgIdentInternal(const Anope::string &nick, const Anope::string &vIdent)
{
if (!Servers::Capab.count("CHGIDENT"))
Log() << "CHGIDENT not loaded!";
else
UplinkSocket::Message(Me) << "CHGIDENT " << nick << " " << vIdent;
}
void SendChgHostInternal(const Anope::string &nick, const Anope::string &vhost)
{
if (!Servers::Capab.count("CHGHOST"))
Log() << "CHGHOST not loaded!";
else
UplinkSocket::Message(Me) << "CHGHOST " << nick << " " << vhost;
}
void SendAddLine(const Anope::string &xtype, const Anope::string &mask, time_t duration, const Anope::string &addedby, const Anope::string &reason)
{
UplinkSocket::Message(Me) << "ADDLINE " << xtype << " " << mask << " " << addedby << " " << Anope::CurTime << " " << duration << " :" << reason;
}
void SendDelLine(const Anope::string &xtype, const Anope::string &mask)
{
UplinkSocket::Message(Me) << "DELLINE " << xtype << " " << mask;
}
public:
PrimitiveExtensibleItem<ListLimits> maxlist;
InspIRCd3Proto(Module *creator) : IRCDProto(creator, "InspIRCd 3"), maxlist(creator, "maxlist")
{
DefaultPseudoclientModes = "+oI";
CanSVSNick = true;
CanSVSJoin = true;
CanSetVHost = true;
CanSetVIdent = true;
CanSQLine = true;
CanSQLineChannel = true;
CanSZLine = true;
CanSVSHold = true;
CanCertFP = true;
RequiresID = true;
MaxModes = 20;
MaxLine = 4096;
}
unsigned GetMaxListFor(Channel *c, ChannelMode *cm) anope_override
{
ListLimits *limits = maxlist.Get(c);
if (limits)
{
ListLimits::const_iterator limit = limits->find(cm->mchar);
if (limit != limits->end())
return limit->second;
}
// Fall back to the config limit if we can't find the mode.
return IRCDProto::GetMaxListFor(c, cm);
}
void SendConnect() anope_override
{
UplinkSocket::Message() << "CAPAB START 1205";
UplinkSocket::Message() << "CAPAB CAPABILITIES :CASEMAPPING=" << Config->GetBlock("options")->Get<const Anope::string>("casemap", "ascii");
UplinkSocket::Message() << "CAPAB END";
UplinkSocket::Message() << "SERVER " << Me->GetName() << " " << Config->Uplinks[Anope::CurrentUplink].password << " 0 " << Me->GetSID() << " :" << Me->GetDescription();
}
void SendSASLMechanisms(std::vector<Anope::string> &mechanisms) anope_override
{
Anope::string mechlist;
for (unsigned i = 0; i < mechanisms.size(); ++i)
mechlist += "," + mechanisms[i];
UplinkSocket::Message(Me) << "METADATA * saslmechlist :" << (mechanisms.empty() ? "" : mechlist.substr(1));
}
void SendSVSKillInternal(const MessageSource &source, User *user, const Anope::string &buf) anope_override
{
IRCDProto::SendSVSKillInternal(source, user, buf);
user->KillInternal(source, buf);
}
void SendGlobalNotice(BotInfo *bi, const Server *dest, const Anope::string &msg) anope_override
{
UplinkSocket::Message(bi) << "NOTICE $" << dest->GetName() << " :" << msg;
}
void SendGlobalPrivmsg(BotInfo *bi, const Server *dest, const Anope::string &msg) anope_override
{
UplinkSocket::Message(bi) << "PRIVMSG $" << dest->GetName() << " :" << msg;
}
void SendPong(const Anope::string &servname, const Anope::string &who) anope_override
{
Server *serv = servname.empty() ? NULL : Server::Find(servname);
if (!serv)
serv = Me;
UplinkSocket::Message(serv) << "PONG " << who;
}
void SendAkillDel(const XLine *x) anope_override
{
{
/* InspIRCd may support regex bans
* Mask is expected in format: 'n!u@h\sr' and spaces as '\s'
* We remove the '//' and replace '#' and any ' ' with '\s'
*/
if (x->IsRegex() && Servers::Capab.count("RLINE"))
{
Anope::string mask = x->mask;
if (mask.length() >= 2 && mask[0] == '/' && mask[mask.length() - 1] == '/')
mask = mask.substr(1, mask.length() - 2);
size_t h = mask.find('#');
if (h != Anope::string::npos)
{
mask = mask.replace(h, 1, "\\s");
mask = mask.replace_all_cs(" ", "\\s");
}
SendDelLine("R", mask);
return;
}
else if (x->IsRegex() || x->HasNickOrReal())
return;
/* ZLine if we can instead */
if (x->GetUser() == "*")
{
cidr addr(x->GetHost());
if (addr.valid())
{
IRCD->SendSZLineDel(x);
return;
}
}
SendDelLine("G", x->GetUser() + "@" + x->GetHost());
}
}
void SendInvite(const MessageSource &source, const Channel *c, User *u) anope_override
{
UplinkSocket::Message(source) << "INVITE " << u->GetUID() << " " << c->name << " " << c->creation_time;
}
void SendTopic(const MessageSource &source, Channel *c) anope_override
{
if (Servers::Capab.count("SVSTOPIC"))
{
UplinkSocket::Message(c->ci->WhoSends()) << "SVSTOPIC " << c->name << " " << c->topic_ts << " " << c->topic_setter << " :" << c->topic;
}
else
{
/* If the last time a topic was set is after the TS we want for this topic we must bump this topic's timestamp to now */
time_t ts = c->topic_ts;
if (c->topic_time > ts)
ts = Anope::CurTime;
/* But don't modify c->topic_ts, it should remain set to the real TS we want as ci->last_topic_time pulls from it */
UplinkSocket::Message(source) << "FTOPIC " << c->name << " " << c->creation_time << " " << ts << " " << c->topic_setter << " :" << c->topic;
}
}
void SendVhostDel(User *u) anope_override
{
UserMode *um = ModeManager::FindUserModeByName("CLOAK");
if (um && !u->HasMode(um->name))
// Just set +x if we can
u->SetMode(NULL, um);
else
// Try to restore cloaked host
this->SendChgHostInternal(u->nick, u->chost);
}
void SendAkill(User *u, XLine *x) anope_override
{
// Calculate the time left before this would expire, capping it at 2 days
time_t timeleft = x->expires - Anope::CurTime;
if (timeleft > 172800 || !x->expires)
timeleft = 172800;
/* InspIRCd may support regex bans, if they do we can send this and forget about it
* Mask is expected in format: 'n!u@h\sr' and spaces as '\s'
* We remove the '//' and replace '#' and any ' ' with '\s'
*/
if (x->IsRegex() && Servers::Capab.count("RLINE"))
{
Anope::string mask = x->mask;
if (mask.length() >= 2 && mask[0] == '/' && mask[mask.length() - 1] == '/')
mask = mask.substr(1, mask.length() - 2);
size_t h = mask.find('#');
if (h != Anope::string::npos)
{
mask = mask.replace(h, 1, "\\s");
mask = mask.replace_all_cs(" ", "\\s");
}
SendAddLine("R", mask, timeleft, x->by, x->GetReason());
return;
}
else if (x->IsRegex() || x->HasNickOrReal())
{
if (!u)
{
/* No user (this akill was just added), and contains nick and/or realname. Find users that match and ban them */
for (user_map::const_iterator it = UserListByNick.begin(); it != UserListByNick.end(); ++it)
if (x->manager->Check(it->second, x))
this->SendAkill(it->second, x);
return;
}
const XLine *old = x;
if (old->manager->HasEntry("*@" + u->host))
return;
/* We can't akill x as it has a nick and/or realname included, so create a new akill for *@host */
x = new XLine("*@" + u->host, old->by, old->expires, old->reason, old->id);
old->manager->AddXLine(x);
Log(Config->GetClient("OperServ"), "akill") << "AKILL: Added an akill for " << x->mask << " because " << u->GetMask() << "#" << u->realname << " matches " << old->mask;
}
/* ZLine if we can instead */
if (x->GetUser() == "*")
{
cidr addr(x->GetHost());
if (addr.valid())
{
IRCD->SendSZLine(u, x);
return;
}
}
SendAddLine("G", x->GetUser() + "@" + x->GetHost(), timeleft, x->by, x->GetReason());
}
void SendNumericInternal(int numeric, const Anope::string &dest, const Anope::string &buf) anope_override
{
UplinkSocket::Message() << "NUM " << Me->GetSID() << " " << dest << " " << numeric << " " << buf;
}
void SendModeInternal(const MessageSource &source, const Channel *dest, const Anope::string &buf) anope_override
{
UplinkSocket::Message(source) << "FMODE " << dest->name << " " << dest->creation_time << " " << buf;
}
void SendClientIntroduction(User *u) anope_override
{
Anope::string modes = "+" + u->GetModes();
UplinkSocket::Message(Me) << "UID " << u->GetUID() << " " << u->timestamp << " " << u->nick << " " << u->host << " " << u->host << " " << u->GetIdent() << " 0.0.0.0 " << u->timestamp << " " << modes << " :" << u->realname;
if (modes.find('o') != Anope::string::npos)
UplinkSocket::Message(u) << "OPERTYPE :service";
}
void SendServer(const Server *server) anope_override
{
/* if rsquit is set then we are waiting on a squit */
if (rsquit_id.empty() && rsquit_server.empty())
UplinkSocket::Message() << "SERVER " << server->GetName() << " " << server->GetSID() << " :" << server->GetDescription();
}
void SendSquit(Server *s, const Anope::string &message) anope_override
{
if (s != Me)
{
rsquit_id = s->GetSID();
rsquit_server = s->GetName();
UplinkSocket::Message() << "RSQUIT " << s->GetName() << " :" << message;
}
else
UplinkSocket::Message() << "SQUIT " << s->GetName() << " :" << message;
}
void SendJoin(User *user, Channel *c, const ChannelStatus *status) anope_override
{
UplinkSocket::Message(Me) << "FJOIN " << c->name << " " << c->creation_time << " +" << c->GetModes(true, true) << " :," << user->GetUID();
/* Note that we can send this with the FJOIN but choose not to
* because the mode stacker will handle this and probably will
* merge these modes with +nrt and other mlocked modes
*/
if (status)
{
/* First save the channel status incase uc->Status == status */
ChannelStatus cs = *status;
/* If the user is internally on the channel with flags, kill them so that
* the stacker will allow this.
*/
ChanUserContainer *uc = c->FindUser(user);
if (uc != NULL)
uc->status.Clear();
BotInfo *setter = BotInfo::Find(user->GetUID());
for (size_t i = 0; i < cs.Modes().length(); ++i)
c->SetMode(setter, ModeManager::FindChannelModeByChar(cs.Modes()[i]), user->GetUID(), false);
if (uc != NULL)
uc->status = cs;
}
}
void SendSQLineDel(const XLine *x) anope_override
{
if (IRCD->CanSQLineChannel && (x->mask[0] == '#'))
SendDelLine("CBAN", x->mask);
else
SendDelLine("Q", x->mask);
}
void SendSQLine(User *u, const XLine *x) anope_override
{
// Calculate the time left before this would expire, capping it at 2 days
time_t timeleft = x->expires - Anope::CurTime;
if (timeleft > 172800 || !x->expires)
timeleft = 172800;
if (IRCD->CanSQLineChannel && (x->mask[0] == '#'))
SendAddLine("CBAN", x->mask, timeleft, x->by, x->GetReason());
else
SendAddLine("Q", x->mask, timeleft, x->by, x->GetReason());
}
void SendVhost(User *u, const Anope::string &vIdent, const Anope::string &vhost) anope_override
{
if (!vIdent.empty())
this->SendChgIdentInternal(u->nick, vIdent);
if (!vhost.empty())
this->SendChgHostInternal(u->nick, vhost);
}
void SendSVSHold(const Anope::string &nick, time_t t) anope_override
{
UplinkSocket::Message(Config->GetClient("NickServ")) << "SVSHOLD " << nick << " " << t << " :Being held for registered user";
}
void SendSVSHoldDel(const Anope::string &nick) anope_override
{
UplinkSocket::Message(Config->GetClient("NickServ")) << "SVSHOLD " << nick;
}
void SendSZLineDel(const XLine *x) anope_override
{
SendDelLine("Z", x->GetHost());
}
void SendSZLine(User *u, const XLine *x) anope_override
{
// Calculate the time left before this would expire, capping it at 2 days
time_t timeleft = x->expires - Anope::CurTime;
if (timeleft > 172800 || !x->expires)
timeleft = 172800;
SendAddLine("Z", x->GetHost(), timeleft, x->by, x->GetReason());
}
void SendSVSJoin(const MessageSource &source, User *u, const Anope::string &chan, const Anope::string &other) anope_override
{
UplinkSocket::Message(source) << "SVSJOIN " << u->GetUID() << " " << chan;
}
void SendSVSPart(const MessageSource &source, User *u, const Anope::string &chan, const Anope::string &param) anope_override
{
if (!param.empty())
UplinkSocket::Message(source) << "SVSPART " << u->GetUID() << " " << chan << " :" << param;
else
UplinkSocket::Message(source) << "SVSPART " << u->GetUID() << " " << chan;
}
void SendSWhois(const MessageSource &bi, const Anope::string &who, const Anope::string &mask) anope_override
{
User *u = User::Find(who);
UplinkSocket::Message(Me) << "METADATA " << u->GetUID() << " swhois :" << mask;
}
void SendBOB() anope_override
{
UplinkSocket::Message(Me) << "BURST " << Anope::CurTime;
Module *enc = ModuleManager::FindFirstOf(ENCRYPTION);
UplinkSocket::Message(Me) << "SINFO version :Anope-" << Anope::Version() << " " << Me->GetName() << " :" << IRCD->GetProtocolName() << " - (" << (enc ? enc->name : "none") << ") -- " << Anope::VersionBuildString();
UplinkSocket::Message(Me) << "SINFO fullversion :Anope-" << Anope::Version() << " " << Me->GetName() << " :[" << Me->GetSID() << "] " << IRCD->GetProtocolName() << " - (" << (enc ? enc->name : "none") << ") -- " << Anope::VersionBuildString();
UplinkSocket::Message(Me) << "SINFO rawversion :Anope-" << Anope::VersionShort();
}
void SendEOB() anope_override
{
UplinkSocket::Message(Me) << "ENDBURST";
}
void SendGlobopsInternal(const MessageSource &source, const Anope::string &buf) anope_override
{
if (Servers::Capab.count("GLOBOPS"))
UplinkSocket::Message(source) << "SNONOTICE g :" << buf;
else
UplinkSocket::Message(source) << "SNONOTICE A :" << buf;
}
void SendLogin(User *u, NickAlias *na) anope_override
{
/* InspIRCd uses an account to bypass chmode +R, not umode +r, so we can't send this here */
if (na->nc->HasExt("UNCONFIRMED"))
return;
UplinkSocket::Message(Me) << "METADATA " << u->GetUID() << " accountid :" << na->nc->GetId();
UplinkSocket::Message(Me) << "METADATA " << u->GetUID() << " accountname :" << na->nc->display;
}
void SendLogout(User *u) anope_override
{
UplinkSocket::Message(Me) << "METADATA " << u->GetUID() << " accountid :";
UplinkSocket::Message(Me) << "METADATA " << u->GetUID() << " accountname :";
}
void SendChannel(Channel *c) anope_override
{
UplinkSocket::Message(Me) << "FJOIN " << c->name << " " << c->creation_time << " +" << c->GetModes(true, true) << " :";
}
void SendSASLMessage(const SASL::Message &message) anope_override
{
UplinkSocket::Message(Me) << "ENCAP " << message.target.substr(0, 3) << " SASL " << message.source << " " << message.target << " " << message.type << " " << message.data << (message.ext.empty() ? "" : (" " + message.ext));
}
void SendSVSLogin(const Anope::string &uid, const Anope::string &acc, const Anope::string &vident, const Anope::string &vhost) anope_override
{
// TODO: in 2.1 this function should take a NickAlias instead of strings.
NickCore *nc = NickCore::Find(acc);
if (!nc)
return;
UplinkSocket::Message(Me) << "METADATA " << uid << " accountid :" << nc->GetId();
UplinkSocket::Message(Me) << "METADATA " << uid << " accountname :" << acc;
if (!vident.empty())
UplinkSocket::Message(Me) << "ENCAP " << uid.substr(0, 3) << " CHGIDENT " << uid << " " << vident;
if (!vhost.empty())
UplinkSocket::Message(Me) << "ENCAP " << uid.substr(0, 3) << " CHGHOST " << uid << " " << vhost;
SASLUser su;
su.uid = uid;
su.acc = acc;
su.created = Anope::CurTime;
for (std::list<SASLUser>::iterator it = saslusers.begin(); it != saslusers.end();)
{
SASLUser &u = *it;
if (u.created + 30 < Anope::CurTime || u.uid == uid)
it = saslusers.erase(it);
else
++it;
}
saslusers.push_back(su);
}
bool IsExtbanValid(const Anope::string &mask) anope_override
{
return mask.length() >= 3 && mask[1] == ':';
}
bool IsIdentValid(const Anope::string &ident) anope_override
{
if (ident.empty() || ident.length() > Config->GetBlock("networkinfo")->Get<unsigned>("userlen"))
return false;
for (unsigned i = 0; i < ident.length(); ++i)
{
const char &c = ident[i];
if (c >= 'A' && c <= '}')
continue;
if ((c >= '0' && c <= '9') || c == '-' || c == '.')
continue;
return false;
}
return true;
}
};
class InspIRCdAutoOpMode : public ChannelModeList
{
public:
InspIRCdAutoOpMode(char mode) : ChannelModeList("AUTOOP", mode)
{
}
bool IsValid(Anope::string &mask) const anope_override
{
// We can not validate this because we don't know about the
// privileges of the setter so just reject attempts to set it.
return false;
}
};
class InspIRCdExtBan : public ChannelModeVirtual<ChannelModeList>
{
char ext;
public:
InspIRCdExtBan(const Anope::string &mname, const Anope::string &basename, char extban) : ChannelModeVirtual<ChannelModeList>(mname, basename)
, ext(extban)
{
}
ChannelMode *Wrap(Anope::string &param) anope_override
{
param = Anope::string(ext) + ":" + param;
return ChannelModeVirtual<ChannelModeList>::Wrap(param);
}
ChannelMode *Unwrap(ChannelMode *cm, Anope::string &param) anope_override
{
if (cm->type != MODE_LIST || param.length() < 3 || param[0] != ext || param[1] != ':')
return cm;
param = param.substr(2);
return this;
}
};
namespace InspIRCdExtban
{
class EntryMatcher : public InspIRCdExtBan
{
public:
EntryMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c)
{
}
bool Matches(User *u, const Entry *e) anope_override
{
const Anope::string &mask = e->GetMask();
Anope::string real_mask = mask.substr(3);
return Entry(this->name, real_mask).Matches(u);
}
};
class ChannelMatcher : public InspIRCdExtBan
{
public:
ChannelMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c)
{
}
bool Matches(User *u, const Entry *e) anope_override
{
const Anope::string &mask = e->GetMask();
Anope::string channel = mask.substr(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 = Channel::Find(channel);
if (c != NULL)
{
ChanUserContainer *uc = c->FindUser(u);
if (uc != NULL)
if (cm == NULL || uc->status.HasMode(cm->mchar))
return true;
}
return false;
}
};
class AccountMatcher : public InspIRCdExtBan
{
public:
AccountMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c)
{
}
bool Matches(User *u, const Entry *e) anope_override
{
const Anope::string &mask = e->GetMask();
Anope::string real_mask = mask.substr(2);
return u->IsIdentified() && real_mask.equals_ci(u->Account()->display);
}
};
class RealnameMatcher : public InspIRCdExtBan
{
public:
RealnameMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c)
{
}
bool Matches(User *u, const Entry *e) anope_override
{
const Anope::string &mask = e->GetMask();
Anope::string real_mask = mask.substr(2);
return Anope::Match(u->realname, real_mask);
}
};
class ServerMatcher : public InspIRCdExtBan
{
public:
ServerMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c)
{
}
bool Matches(User *u, const Entry *e) anope_override
{
const Anope::string &mask = e->GetMask();
Anope::string real_mask = mask.substr(2);
return Anope::Match(u->server->GetName(), real_mask);
}
};
class FingerprintMatcher : public InspIRCdExtBan
{
public:
FingerprintMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c)
{
}
bool Matches(User *u, const Entry *e) anope_override
{
const Anope::string &mask = e->GetMask();
Anope::string real_mask = mask.substr(2);
return !u->fingerprint.empty() && Anope::Match(u->fingerprint, real_mask);
}
};
class UnidentifiedMatcher : public InspIRCdExtBan
{
public:
UnidentifiedMatcher(const Anope::string &mname, const Anope::string &mbase, char c) : InspIRCdExtBan(mname, mbase, c)
{
}
bool Matches(User *u, const Entry *e) anope_override
{
const Anope::string &mask = e->GetMask();
Anope::string real_mask = mask.substr(2);
return !u->Account() && Entry("BAN", real_mask).Matches(u);
}
};
}
class ColonDelimitedParamMode : public ChannelModeParam
{
public:
ColonDelimitedParamMode(const Anope::string &modename, char modeChar) : ChannelModeParam(modename, modeChar, true) { }
bool IsValid(Anope::string &value) const anope_override
{
return IsValid(value, false);
}
bool IsValid(const Anope::string &value, bool historymode) const
{
if (value.empty())
return false; // empty param is never valid
Anope::string::size_type pos = value.find(':');
if ((pos == Anope::string::npos) || (pos == 0))
return false; // no ':' or it's the first char, both are invalid
Anope::string rest;
try
{
if (convertTo<int>(value, rest, false) <= 0)
return false; // negative numbers and zero are invalid
rest = rest.substr(1);
int n;
if (historymode)
{
// For the history mode, the part after the ':' is a duration and it
// can be in the user friendly "1d3h20m" format, make sure we accept that
n = Anope::DoTime(rest);
}
else
n = convertTo<int>(rest);
if (n <= 0)
return false;
}
catch (const ConvertException &e)
{
// conversion error, invalid
return false;
}
return true;
}
};
class SimpleNumberParamMode : public ChannelModeParam
{
public:
SimpleNumberParamMode(const Anope::string &modename, char modeChar) : ChannelModeParam(modename, modeChar, true) { }
bool IsValid(Anope::string &value) const anope_override
{
if (value.empty())
return false; // empty param is never valid
try
{
if (convertTo<int>(value) <= 0)
return false;
}
catch (const ConvertException &e)
{
// conversion error, invalid
return false;
}
return true;
}
};
class ChannelModeFlood : public ColonDelimitedParamMode
{
public:
ChannelModeFlood(char modeChar) : ColonDelimitedParamMode("FLOOD", modeChar) { }
bool IsValid(Anope::string &value) const anope_override
{
// The parameter of this mode is a bit different, it may begin with a '*',
// ignore it if that's the case
Anope::string v = value[0] == '*' ? value.substr(1) : value;
return ((!value.empty()) && (ColonDelimitedParamMode::IsValid(v)));
}
};
class ChannelModeHistory : public ColonDelimitedParamMode
{
public:
ChannelModeHistory(char modeChar) : ColonDelimitedParamMode("HISTORY", modeChar) { }
bool IsValid(Anope::string &value) const anope_override
{
return (ColonDelimitedParamMode::IsValid(value, true));
}
};
class ChannelModeRedirect : public ChannelModeParam
{
public:
ChannelModeRedirect(char modeChar) : ChannelModeParam("REDIRECT", modeChar, true) { }
bool IsValid(Anope::string &value) const anope_override
{
// The parameter of this mode is a channel, and channel names start with '#'
return ((!value.empty()) && (value[0] == '#'));
}
};
struct IRCDMessageAway : Message::Away
{
IRCDMessageAway(Module *creator) : Message::Away(creator, "AWAY") { SetFlag(IRCDMESSAGE_REQUIRE_USER); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
std::vector<Anope::string> newparams(params);
if (newparams.size() > 1)
newparams.erase(newparams.begin());
Message::Away::Run(source, newparams);
}
};
struct IRCDMessageCapab : Message::Capab
{
struct ModeInfo
{
// The letter assigned to the mode (e.g. o).
char letter;
// If a prefix mode then the rank of the prefix.
unsigned level;
// The name of the mode.
Anope::string name;
// If a prefix mode then the symbol associated with the prefix.
char symbol;
// The type of mode.
Anope::string type;
ModeInfo() : letter(0), level(0), symbol(0) { }
};
static bool ParseMode(const Anope::string& token, ModeInfo& mode)
{
// list:ban=b param-set:limit=l param:key=k prefix:30000:op=@o simple:noextmsg=n
// A C A C A C A B C A C
Anope::string::size_type a = token.find(':');
if (a == Anope::string::npos)
return false;
// If the mode is a prefix mode then it also has a rank.
mode.type = token.substr(0, a);
if (mode.type == "prefix")
{
Anope::string::size_type b = token.find(':', a + 1);
if (b == Anope::string::npos)
return false;
const Anope::string modelevel = token.substr(a + 1, b - a - 1);
mode.level = modelevel.is_pos_number_only() ? convertTo<unsigned>(modelevel) : 0;
a = b;
}
Anope::string::size_type c = token.find('=', a + 1);
if (c == Anope::string::npos)
return false;
mode.name = token.substr(a + 1, c - a - 1);
switch (token.length() - c)
{
case 2:
mode.letter = token[c + 1];
break;
case 3:
mode.symbol = token[c + 1];
mode.letter = token[c + 2];
break;
default:
return false;
}
Log(LOG_DEBUG) << "Parsed mode: " << "type=" << mode.type << " name=" << mode.name << " level="
<< mode.level << " symbol=" << mode.symbol << " letter=" << mode.letter;
return true;
}
IRCDMessageCapab(Module *creator) : Message::Capab(creator, "CAPAB") { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
if (params[0].equals_cs("START"))
{
unsigned int spanningtree_proto_ver = 0;
if (params.size() >= 2)
spanningtree_proto_ver = params[1].is_pos_number_only() ? convertTo<unsigned>(params[1]) : 0;
if (spanningtree_proto_ver < 1205)
{
UplinkSocket::Message() << "ERROR :Protocol mismatch, no or invalid protocol version given in CAPAB START";
Anope::QuitReason = "Protocol mismatch, no or invalid protocol version given in CAPAB START";
Anope::Quitting = true;
return;
}
/* reset CAPAB */
Servers::Capab.insert("SERVERS");
Servers::Capab.insert("TOPICLOCK");
IRCD->CanSQLineChannel = false;
IRCD->CanSVSHold = false;
IRCD->DefaultPseudoclientModes = "+oI";
}
else if (params[0].equals_cs("CHANMODES") && params.size() > 1)
{
spacesepstream ssep(params[1]);
Anope::string capab;
while (ssep.GetToken(capab))
{
ModeInfo mode;
if (!ParseMode(capab, mode))
continue;
ChannelMode *cm = NULL;
if (mode.name.equals_cs("admin"))
cm = new ChannelModeStatus("PROTECT", mode.letter, mode.symbol, mode.level);
else if (mode.name.equals_cs("allowinvite"))
{
cm = new ChannelMode("ALLINVITE", mode.letter);
ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("INVITEBAN", "BAN", 'A'));
}
else if (mode.name.equals_cs("auditorium"))
cm = new ChannelMode("AUDITORIUM", mode.letter);
else if (mode.name.equals_cs("autoop"))
cm = new InspIRCdAutoOpMode(mode.letter);
else if (mode.name.equals_cs("ban"))
cm = new ChannelModeList("BAN", mode.letter);
else if (mode.name.equals_cs("banexception"))
cm = new ChannelModeList("EXCEPT", mode.letter);
else if (mode.name.equals_cs("blockcaps"))
{
cm = new ChannelMode("BLOCKCAPS", mode.letter);
ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("BLOCKCAPSBAN", "BAN", 'B'));
}
else if (mode.name.equals_cs("blockcolor"))
{
cm = new ChannelMode("BLOCKCOLOR", mode.letter);
ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("BLOCKCOLORBAN", "BAN", 'c'));
}
else if (mode.name.equals_cs("c_registered"))
cm = new ChannelModeNoone("REGISTERED", mode.letter);
else if (mode.name.equals_cs("censor"))
cm = new ChannelMode("CENSOR", mode.letter);
else if (mode.name.equals_cs("delayjoin"))
cm = new ChannelMode("DELAYEDJOIN", mode.letter);
else if (mode.name.equals_cs("delaymsg"))
cm = new SimpleNumberParamMode("DELAYMSG", mode.letter);
else if (mode.name.equals_cs("filter"))
cm = new ChannelModeList("FILTER", mode.letter);
else if (mode.name.equals_cs("flood"))
cm = new ChannelModeFlood(mode.letter);
else if (mode.name.equals_cs("founder"))
cm = new ChannelModeStatus("OWNER", mode.letter, mode.symbol, mode.level);
else if (mode.name.equals_cs("halfop"))
cm = new ChannelModeStatus("HALFOP", mode.letter, mode.symbol, mode.level);
else if (mode.name.equals_cs("history"))
cm = new ChannelModeHistory(mode.letter);
else if (mode.name.equals_cs("invex"))
cm = new ChannelModeList("INVITEOVERRIDE", mode.letter);
else if (mode.name.equals_cs("inviteonly"))
cm = new ChannelMode("INVITE", mode.letter);
else if (mode.name.equals_cs("joinflood"))
cm = new ColonDelimitedParamMode("JOINFLOOD", mode.letter);
else if (mode.name.equals_cs("key"))
cm = new ChannelModeKey(mode.letter);
else if (mode.name.equals_cs("kicknorejoin"))
cm = new SimpleNumberParamMode("NOREJOIN", mode.letter);
else if (mode.name.equals_cs("limit"))
cm = new ChannelModeParam("LIMIT", mode.letter, true);
else if (mode.name.equals_cs("moderated"))
cm = new ChannelMode("MODERATED", mode.letter);
else if (mode.name.equals_cs("nickflood"))
cm = new ColonDelimitedParamMode("NICKFLOOD", mode.letter);
else if (mode.name.equals_cs("noctcp"))
{
cm = new ChannelMode("NOCTCP", mode.letter);
ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("NOCTCPBAN", "BAN", 'C'));
}
else if (mode.name.equals_cs("noextmsg"))
cm = new ChannelMode("NOEXTERNAL", mode.letter);
else if (mode.name.equals_cs("nokick"))
{
cm = new ChannelMode("NOKICK", mode.letter);
ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("NOKICKBAN", "BAN", 'Q'));
}
else if (mode.name.equals_cs("noknock"))
cm = new ChannelMode("NOKNOCK", mode.letter);
else if (mode.name.equals_cs("nonick"))
{
cm = new ChannelMode("NONICK", mode.letter);
ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("NONICKBAN", "BAN", 'N'));
}
else if (mode.name.equals_cs("nonotice"))
{
cm = new ChannelMode("NONOTICE", mode.letter);
ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("NONOTICEBAN", "BAN", 'T'));
}
else if (mode.name.equals_cs("official-join"))
cm = new ChannelModeStatus("OFFICIALJOIN", mode.letter, mode.symbol, mode.level);
else if (mode.name.equals_cs("op"))
cm = new ChannelModeStatus("OP", mode.letter, mode.symbol, mode.level);
else if (mode.name.equals_cs("operonly"))
cm = new ChannelModeOperOnly("OPERONLY", mode.letter);
else if (mode.name.equals_cs("operprefix"))
cm = new ChannelModeStatus("OPERPREFIX", mode.letter, mode.symbol, mode.level);
else if (mode.name.equals_cs("permanent"))
cm = new ChannelMode("PERM", mode.letter);
else if (mode.name.equals_cs("private"))
cm = new ChannelMode("PRIVATE", mode.letter);
else if (mode.name.equals_cs("redirect"))
cm = new ChannelModeRedirect(mode.letter);
else if (mode.name.equals_cs("reginvite"))
cm = new ChannelMode("REGISTEREDONLY", mode.letter);
else if (mode.name.equals_cs("regmoderated"))
cm = new ChannelMode("REGMODERATED", mode.letter);
else if (mode.name.equals_cs("secret"))
cm = new ChannelMode("SECRET", mode.letter);
else if (mode.name.equals_cs("sslonly"))
{
cm = new ChannelMode("SSL", mode.letter);
ModeManager::AddChannelMode(new InspIRCdExtban::FingerprintMatcher("SSLBAN", "BAN", 'z'));
}
else if (mode.name.equals_cs("stripcolor"))
{
cm = new ChannelMode("STRIPCOLOR", mode.letter);
ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("STRIPCOLORBAN", "BAN", 'S'));
}
else if (mode.name.equals_cs("topiclock"))
cm = new ChannelMode("TOPIC", mode.letter);
else if (mode.name.equals_cs("voice"))
cm = new ChannelModeStatus("VOICE", mode.letter, mode.symbol, mode.level);
// Handle unknown modes.
else if (mode.type.equals_cs("list"))
cm = new ChannelModeList(mode.name.upper(), mode.letter);
else if (mode.type.equals_cs("param-set"))
cm = new ChannelModeParam(mode.name.upper(), mode.letter, true);
else if (mode.type.equals_cs("param"))
cm = new ChannelModeParam(mode.name.upper(), mode.letter, false);
else if (mode.type.equals_cs("prefix"))
cm = new ChannelModeStatus(mode.name.upper(), mode.letter, mode.symbol, mode.level);
else if (mode.type.equals_cs("simple"))
cm = new ChannelMode(mode.name.upper(), mode.letter);
else
Log(LOG_DEBUG) << "Unknown channel mode: " << capab;
if (cm)
ModeManager::AddChannelMode(cm);
}
}
if (params[0].equals_cs("USERMODES") && params.size() > 1)
{
spacesepstream ssep(params[1]);
Anope::string capab;
while (ssep.GetToken(capab))
{
ModeInfo mode;
if (!ParseMode(capab, mode))
continue;
UserMode *um = NULL;
if (mode.name.equals_cs("bot"))
{
um = new UserMode("BOT", mode.letter);
IRCD->DefaultPseudoclientModes += mode.letter;
}
else if (mode.name.equals_cs("callerid"))
um = new UserMode("CALLERID", mode.letter);
else if (mode.name.equals_cs("cloak"))
um = new UserMode("CLOAK", mode.letter);
else if (mode.name.equals_cs("deaf"))
um = new UserMode("DEAF", mode.letter);
else if (mode.name.equals_cs("deaf_commonchan"))
um = new UserMode("COMMONCHANS", mode.letter);
else if (mode.name.equals_cs("helpop"))
um = new UserModeOperOnly("HELPOP", mode.letter);
else if (mode.name.equals_cs("hidechans"))
um = new UserMode("PRIV", mode.letter);
else if (mode.name.equals_cs("hideoper"))
um = new UserModeOperOnly("HIDEOPER", mode.letter);
else if (mode.name.equals_cs("invisible"))
um = new UserMode("INVIS", mode.letter);
else if (mode.name.equals_cs("invis-oper"))
um = new UserModeOperOnly("INVISIBLE_OPER", mode.letter);
else if (mode.name.equals_cs("oper"))
um = new UserModeOperOnly("OPER", mode.letter);
else if (mode.name.equals_cs("regdeaf"))
um = new UserMode("REGPRIV", mode.letter);
else if (mode.name.equals_cs("servprotect"))
{
um = new UserModeNoone("PROTECTED", mode.letter);
IRCD->DefaultPseudoclientModes += mode.letter;
}
else if (mode.name.equals_cs("showwhois"))
um = new UserMode("WHOIS", mode.letter);
else if (mode.name.equals_cs("u_censor"))
um = new UserMode("CENSOR", mode.letter);
else if (mode.name.equals_cs("u_registered"))
um = new UserModeNoone("REGISTERED", mode.letter);
else if (mode.name.equals_cs("u_stripcolor"))
um = new UserMode("STRIPCOLOR", mode.letter);
else if (mode.name.equals_cs("wallops"))
um = new UserMode("WALLOPS", mode.letter);
// Handle unknown modes.
else if (mode.type.equals_cs("param-set"))
um = new UserModeParam(mode.name.upper(), mode.letter);
else if (mode.type.equals_cs("simple"))
um = new UserMode(mode.name.upper(), mode.letter);
else
Log(LOG_DEBUG) << "Unknown user mode: " << capab;
if (um)
ModeManager::AddUserMode(um);
}
}
else if (params[0].equals_cs("MODULES") && params.size() > 1)
{
spacesepstream ssep(params[1]);
Anope::string module;
while (ssep.GetToken(module))
{
if (module.equals_cs("m_svshold.so"))
IRCD->CanSVSHold = true;
else if (module.find("m_rline.so") == 0)
{
Servers::Capab.insert("RLINE");
const Anope::string &regexengine = Config->GetBlock("options")->Get<const Anope::string>("regexengine");
if (!regexengine.empty() && module.length() > 11 && regexengine != module.substr(11))
Log() << "Warning: InspIRCd is using regex engine " << module.substr(11) << ", but we have " << regexengine << ". This may cause inconsistencies.";
}
else if (module.equals_cs("m_topiclock.so"))
Servers::Capab.insert("TOPICLOCK");
else if (module.equals_cs("m_cban.so=glob"))
IRCD->CanSQLineChannel = true;
}
}
else if (params[0].equals_cs("MODSUPPORT") && params.size() > 1)
{
spacesepstream ssep(params[1]);
Anope::string module;
while (ssep.GetToken(module))
{
if (module.equals_cs("m_services_account.so"))
{
Servers::Capab.insert("SERVICES");
ModeManager::AddChannelMode(new InspIRCdExtban::AccountMatcher("ACCOUNTBAN", "BAN", 'R'));
ModeManager::AddChannelMode(new InspIRCdExtban::UnidentifiedMatcher("UNREGISTEREDBAN", "BAN", 'U'));
}
else if (module.equals_cs("m_chghost.so"))
Servers::Capab.insert("CHGHOST");
else if (module.equals_cs("m_chgident.so"))
Servers::Capab.insert("CHGIDENT");
else if (module == "m_channelban.so")
ModeManager::AddChannelMode(new InspIRCdExtban::ChannelMatcher("CHANNELBAN", "BAN", 'j'));
else if (module == "m_gecosban.so")
ModeManager::AddChannelMode(new InspIRCdExtban::RealnameMatcher("REALNAMEBAN", "BAN", 'r'));
else if (module == "m_nopartmessage.so")
ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("PARTMESSAGEBAN", "BAN", 'p'));
else if (module == "m_serverban.so")
ModeManager::AddChannelMode(new InspIRCdExtban::ServerMatcher("SERVERBAN", "BAN", 's'));
else if (module == "m_muteban.so")
ModeManager::AddChannelMode(new InspIRCdExtban::EntryMatcher("QUIET", "BAN", 'm'));
}
}
else if (params[0].equals_cs("CAPABILITIES") && params.size() > 1)
{
spacesepstream ssep(params[1]);
Anope::string capab;
while (ssep.GetToken(capab))
{
if (capab.find("MAXMODES=") != Anope::string::npos)
{
Anope::string maxmodes(capab.begin() + 9, capab.end());
IRCD->MaxModes = maxmodes.is_pos_number_only() ? convertTo<unsigned>(maxmodes) : 3;
}
else if (capab == "GLOBOPS=1")
Servers::Capab.insert("GLOBOPS");
}
}
else if (params[0].equals_cs("END"))
{
if (!Servers::Capab.count("SERVICES"))
{
UplinkSocket::Message() << "ERROR :The services_account module is not loaded. This is required by Anope";
Anope::QuitReason = "ERROR: Remote server does not have the services_account module loaded, and this is required.";
Anope::Quitting = true;
return;
}
if (!ModeManager::FindUserModeByName("PRIV"))
{
UplinkSocket::Message() << "ERROR :The hidechans module is not loaded. This is required by Anope";
Anope::QuitReason = "ERROR: Remote server does not have the hidechans module loaded, and this is required.";
Anope::Quitting = true;
return;
}
if (!IRCD->CanSVSHold)
Log() << "SVSHOLD missing, Usage disabled until module is loaded.";
if (!Servers::Capab.count("CHGHOST"))
Log() << "CHGHOST missing, Usage disabled until module is loaded.";
if (!Servers::Capab.count("CHGIDENT"))
Log() << "CHGIDENT missing, Usage disabled until module is loaded.";
}
Message::Capab::Run(source, params);
}
};
struct IRCDMessageEncap : IRCDMessage
{
IRCDMessageEncap(Module *creator) : IRCDMessage(creator, "ENCAP", 4) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
if (!Anope::Match(Me->GetSID(), params[0]) && !Anope::Match(Me->GetName(), params[0]))
return;
if (params[1] == "CHGIDENT")
{
User *u = User::Find(params[2]);
if (!u || u->server != Me)
return;
u->SetIdent(params[3]);
UplinkSocket::Message(u) << "FIDENT :" << params[3];
}
else if (params[1] == "CHGHOST")
{
User *u = User::Find(params[2]);
if (!u || u->server != Me)
return;
u->SetDisplayedHost(params[3]);
UplinkSocket::Message(u) << "FHOST :" << params[3];
}
else if (params[1] == "CHGNAME")
{
User *u = User::Find(params[2]);
if (!u || u->server != Me)
return;
u->SetRealname(params[3]);
UplinkSocket::Message(u) << "FNAME :" << params[3];
}
else if (SASL::sasl && params[1] == "SASL" && params.size() >= 6)
{
SASL::Message m;
m.source = params[2];
m.target = params[3];
m.type = params[4];
m.data = params[5];
m.ext = params.size() > 6 ? params[6] : "";
SASL::sasl->ProcessMessage(m);
}
}
};
struct IRCDMessageFHost : IRCDMessage
{
IRCDMessageFHost(Module *creator) : IRCDMessage(creator, "FHOST", 1) { SetFlag(IRCDMESSAGE_REQUIRE_USER); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
User *u = source.GetUser();
if (u->HasMode("CLOAK"))
u->RemoveModeInternal(source, ModeManager::FindUserModeByName("CLOAK"));
u->SetDisplayedHost(params[0]);
}
};
struct IRCDMessageFIdent : IRCDMessage
{
IRCDMessageFIdent(Module *creator) : IRCDMessage(creator, "FIDENT", 1) { SetFlag(IRCDMESSAGE_REQUIRE_USER); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
source.GetUser()->SetIdent(params[0]);
}
};
struct IRCDMessageKick : IRCDMessage
{
IRCDMessageKick(Module *creator) : IRCDMessage(creator, "KICK", 3) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
// Received: :715AAAAAA KICK #chan 715AAAAAD :reason
// Received: :715AAAAAA KICK #chan 628AAAAAA 4 :reason
Channel *c = Channel::Find(params[0]);
if (!c)
return;
const Anope::string &reason = params.size() > 3 ? params[3] : params[2];
c->KickInternal(source, params[1], reason);
}
};
struct IRCDMessageSave : IRCDMessage
{
time_t last_collide;
IRCDMessageSave(Module *creator) : IRCDMessage(creator, "SAVE", 2), last_collide(0) { }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
User *targ = User::Find(params[0]);
time_t ts;
try
{
ts = convertTo<time_t>(params[1]);
}
catch (const ConvertException &)
{
return;
}
if (!targ || targ->timestamp != ts)
return;
BotInfo *bi;
if (targ->server == Me && (bi = dynamic_cast<BotInfo *>(targ)))
{
if (last_collide == Anope::CurTime)
{
Anope::QuitReason = "Nick collision fight on " + targ->nick;
Anope::Quitting = true;
return;
}
IRCD->SendKill(Me, targ->nick, "Nick collision");
IRCD->SendNickChange(targ, targ->nick);
last_collide = Anope::CurTime;
}
else
targ->ChangeNick(targ->GetUID());
}
};
class IRCDMessageMetadata : IRCDMessage
{
const bool &do_topiclock;
const bool &do_mlock;
PrimitiveExtensibleItem<ListLimits> &maxlist;
public:
IRCDMessageMetadata(Module *creator, const bool &handle_topiclock, const bool &handle_mlock, PrimitiveExtensibleItem<ListLimits> &listlimits) : IRCDMessage(creator, "METADATA", 3), do_topiclock(handle_topiclock), do_mlock(handle_mlock), maxlist(listlimits) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
// We deliberately ignore non-bursting servers to avoid pseudoserver fights
// Channel METADATA has an additional parameter: the channel TS
// Received: :715 METADATA #chan 1572026333 mlock :nt
if ((params[0][0] == '#') && (params.size() > 3) && (!source.GetServer()->IsSynced()))
{
Channel *c = Channel::Find(params[0]);
if (c)
{
if ((c->ci) && (do_mlock) && (params[2] == "mlock"))
{
ModeLocks *modelocks = c->ci->GetExt<ModeLocks>("modelocks");
Anope::string modes;
if (modelocks)
modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "");
// Mode lock string is not what we say it is?
if (modes != params[3])
UplinkSocket::Message(Me) << "METADATA " << c->name << " " << c->creation_time << " mlock :" << modes;
}
else if ((c->ci) && (do_topiclock) && (params[2] == "topiclock"))
{
bool mystate = c->ci->HasExt("TOPICLOCK");
bool serverstate = (params[3] == "1");
if (mystate != serverstate)
UplinkSocket::Message(Me) << "METADATA " << c->name << " " << c->creation_time << " topiclock :" << (mystate ? "1" : "");
}
else if (params[2] == "maxlist")
{
ListLimits limits;
spacesepstream limitstream(params[3]);
Anope::string modechr, modelimit;
while (limitstream.GetToken(modechr) && limitstream.GetToken(modelimit))
{
limits.insert(std::make_pair(modechr[0], convertTo<unsigned>(modelimit)));
}
maxlist.Set(c, limits);
}
}
}
else if (isdigit(params[0][0]))
{
if (params[1].equals_cs("accountname"))
{
User *u = User::Find(params[0]);
NickCore *nc = NickCore::Find(params[2]);
if (u && nc)
u->Login(nc);
}
/*
* possible incoming ssl_cert messages:
* Received: :409 METADATA 409AAAAAA ssl_cert :vTrSe c38070ce96e41cc144ed6590a68d45a6 <...> <...>
* Received: :409 METADATA 409AAAAAC ssl_cert :vTrSE Could not get peer certificate: error:00000000:lib(0):func(0):reason(0)
*/
else if (params[1].equals_cs("ssl_cert"))
{
User *u = User::Find(params[0]);
if (!u)
return;
u->Extend<bool>("ssl");
Anope::string data = params[2].c_str();
size_t pos1 = data.find(' ') + 1;
size_t pos2 = data.find(' ', pos1);
if ((pos2 - pos1) >= 32) // inspircd supports md5 and sha1 fingerprint hashes -> size 32 or 40 bytes.
{
u->fingerprint = data.substr(pos1, pos2 - pos1);
}
FOREACH_MOD(OnFingerprint, (u));
}
}
else if (params[0] == "*")
{
// Wed Oct 3 15:40:27 2012: S[14] O :20D METADATA * modules :-m_svstopic.so
if (params[1].equals_cs("modules") && !params[2].empty())
{
// only interested when it comes from our uplink
Server* server = source.GetServer();
if (!server || server->GetUplink() != Me)
return;
bool plus = (params[2][0] == '+');
if (!plus && params[2][0] != '-')
return;
bool required = false;
Anope::string capab, module = params[2].substr(1);
if (module.equals_cs("m_services_account.so"))
required = true;
else if (module.equals_cs("m_hidechans.so"))
required = true;
else if (module.equals_cs("m_chghost.so"))
capab = "CHGHOST";
else if (module.equals_cs("m_chgident.so"))
capab = "CHGIDENT";
else if (module.equals_cs("m_svshold.so"))
capab = "SVSHOLD";
else if (module.equals_cs("m_rline.so"))
capab = "RLINE";
else if (module.equals_cs("m_topiclock.so"))
capab = "TOPICLOCK";
else
return;
if (required)
{
if (!plus)
Log() << "Warning: InspIRCd unloaded module " << module << ", Anope won't function correctly without it";
}
else
{
if (plus)
Servers::Capab.insert(capab);
else
Servers::Capab.erase(capab);
Log() << "InspIRCd " << (plus ? "loaded" : "unloaded") << " module " << module << ", adjusted functionality";
}
}
}
}
};
struct IRCDMessageEndburst : IRCDMessage
{
IRCDMessageEndburst(Module *creator) : IRCDMessage(creator, "ENDBURST", 0) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
Server *s = source.GetServer();
Log(LOG_DEBUG) << "Processed ENDBURST for " << s->GetName();
s->Sync(true);
}
};
struct IRCDMessageFJoin : IRCDMessage
{
IRCDMessageFJoin(Module *creator) : IRCDMessage(creator, "FJOIN", 2) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
Anope::string modes;
if (params.size() >= 3)
{
for (unsigned i = 2; i < params.size() - 1; ++i)
modes += " " + params[i];
if (!modes.empty())
modes.erase(modes.begin());
}
std::list<Message::Join::SJoinUser> users;
spacesepstream sep(params[params.size() - 1]);
Anope::string buf;
while (sep.GetToken(buf))
{
Message::Join::SJoinUser sju;
/* Loop through prefixes and find modes for them */
for (char c; (c = buf[0]) != ',' && c;)
{
buf.erase(buf.begin());
sju.first.AddMode(c);
}
/* Erase the , */
if (!buf.empty())
buf.erase(buf.begin());
/* Erase the :membid */
if (!buf.empty())
{
Anope::string::size_type membid = buf.find(':');
if (membid != Anope::string::npos)
buf.erase(membid, Anope::string::npos);
}
sju.second = User::Find(buf);
if (!sju.second)
{
Log(LOG_DEBUG) << "FJOIN for nonexistent user " << buf << " on " << params[0];
continue;
}
users.push_back(sju);
}
time_t ts = Anope::string(params[1]).is_pos_number_only() ? convertTo<time_t>(params[1]) : Anope::CurTime;
Message::Join::SJoin(source, params[0], ts, modes, users);
}
};
struct IRCDMessageFMode : IRCDMessage
{
IRCDMessageFMode(Module *creator) : IRCDMessage(creator, "FMODE", 3) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
/* :source FMODE #test 12345678 +nto foo */
Anope::string modes = params[2];
for (unsigned n = 3; n < params.size(); ++n)
modes += " " + params[n];
Channel *c = Channel::Find(params[0]);
time_t ts;
try
{
ts = convertTo<time_t>(params[1]);
}
catch (const ConvertException &)
{
ts = 0;
}
if (c)
c->SetModesInternal(source, modes, ts);
}
};
struct IRCDMessageFTopic : IRCDMessage
{
IRCDMessageFTopic(Module *creator) : IRCDMessage(creator, "FTOPIC", 4) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
// :source FTOPIC channel ts topicts :topic
// :source FTOPIC channel ts topicts setby :topic (burst or RESYNC)
const Anope::string &setby = params.size() > 4 ? params[3] : source.GetName();
const Anope::string &topic = params.size() > 4 ? params[4] : params[3];
Channel *c = Channel::Find(params[0]);
if (c)
c->ChangeTopicInternal(NULL, setby, topic, params[2].is_pos_number_only() ? convertTo<time_t>(params[2]) : Anope::CurTime);
}
};
struct IRCDMessageIdle : IRCDMessage
{
IRCDMessageIdle(Module *creator) : IRCDMessage(creator, "IDLE", 1) { }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
BotInfo *bi = BotInfo::Find(params[0]);
if (bi)
UplinkSocket::Message(bi) << "IDLE " << source.GetSource() << " " << Anope::StartTime << " " << (Anope::CurTime - bi->lastmsg);
else
{
User *u = User::Find(params[0]);
if (u && u->server == Me)
UplinkSocket::Message(u) << "IDLE " << source.GetSource() << " " << Anope::StartTime << " 0";
}
}
};
struct IRCDMessageIJoin : IRCDMessage
{
IRCDMessageIJoin(Module *creator) : IRCDMessage(creator, "IJOIN", 2) { SetFlag(IRCDMESSAGE_REQUIRE_USER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
// :<uid> IJOIN <chan> <membid> [<ts> [<flags>]]
Channel *c = Channel::Find(params[0]);
if (!c)
{
// When receiving an IJOIN, first check if the target channel exists. If it does not exist,
// ignore the join (that is, do not create the channel) and send a RESYNC back to the source.
UplinkSocket::Message(Me) << "RESYNC :" << params[0];
return;
}
// If the channel does exist then join the user, and in case any prefix modes were sent (found in
// the 3rd parameter), compare the TS of the channel to the TS in the IJOIN (2nd parameter). If
// the timestamps match, set the modes on the user, otherwise ignore the modes.
Message::Join::SJoinUser user;
user.second = source.GetUser();
time_t chants = Anope::CurTime;
if (params.size() >= 4)
{
chants = params[2].is_pos_number_only() ? convertTo<unsigned>(params[2]) : 0;
for (unsigned i = 0; i < params[3].length(); ++i)
user.first.AddMode(params[3][i]);
}
std::list<Message::Join::SJoinUser> users;
users.push_back(user);
Message::Join::SJoin(source, params[0], chants, "", users);
}
};
struct IRCDMessageMode : IRCDMessage
{
IRCDMessageMode(Module *creator) : IRCDMessage(creator, "MODE", 2) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
if (IRCD->IsChannelValid(params[0]))
{
Channel *c = Channel::Find(params[0]);
Anope::string modes = params[1];
for (unsigned n = 2; n < params.size(); ++n)
modes += " " + params[n];
if (c)
c->SetModesInternal(source, modes);
}
else
{
/* InspIRCd lets opers change another
users modes, we have to kludge this
as it slightly breaks RFC1459
*/
User *u = User::Find(params[0]);
if (u)
u->SetModesInternal(source, "%s", params[1].c_str());
}
}
};
struct IRCDMessageNick : IRCDMessage
{
IRCDMessageNick(Module *creator) : IRCDMessage(creator, "NICK", 2) { SetFlag(IRCDMESSAGE_REQUIRE_USER); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
source.GetUser()->ChangeNick(params[0]);
}
};
struct IRCDMessageOperType : IRCDMessage
{
IRCDMessageOperType(Module *creator) : IRCDMessage(creator, "OPERTYPE", 0) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); SetFlag(IRCDMESSAGE_REQUIRE_USER); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
/* opertype is equivalent to mode +o because servers
don't do this directly */
User *u = source.GetUser();
if (!u->HasMode("OPER"))
u->SetModesInternal(source, "+o");
}
};
struct IRCDMessagePing : IRCDMessage
{
IRCDMessagePing(Module *creator) : IRCDMessage(creator, "PING", 1) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); SetFlag(IRCDMESSAGE_REQUIRE_SERVER); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
if (params[0] == Me->GetSID())
IRCD->SendPong(params[0], source.GetServer()->GetSID());
}
};
struct IRCDMessageRSQuit : IRCDMessage
{
IRCDMessageRSQuit(Module *creator) : IRCDMessage(creator, "RSQUIT", 1) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
Server *s = Server::Find(params[0]);
const Anope::string &reason = params.size() > 1 ? params[1] : "";
if (!s)
return;
UplinkSocket::Message(Me) << "SQUIT " << s->GetSID() << " :" << reason;
s->Delete(s->GetName() + " " + s->GetUplink()->GetName());
}
};
struct IRCDMessageServer : IRCDMessage
{
IRCDMessageServer(Module *creator) : IRCDMessage(creator, "SERVER", 3) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
if (!source.GetServer() && params.size() == 5)
{
/*
* SERVER testnet.inspircd.org hunter7 0 123 :InspIRCd Test Network
* 0: name
* 1: pass
* 2: hops
* 3: numeric
* 4: desc
*/
unsigned int hops = Anope::string(params[2]).is_pos_number_only() ? convertTo<unsigned>(params[2]) : 0;
new Server(Me, params[0], hops, params[4], params[3]);
}
else if (source.GetServer())
{
/*
* SERVER testnet.inspircd.org 123 burst=1234 hidden=0 :InspIRCd Test Network
* 0: name
* 1: numeric
* 2 to N-1: various key=value pairs.
* N: desc
*/
new Server(source.GetServer(), params[0], 1, params.back(), params[1]);
}
}
};
struct IRCDMessageSQuit : Message::SQuit
{
IRCDMessageSQuit(Module *creator) : Message::SQuit(creator) { }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
if (params[0] == rsquit_id || params[0] == rsquit_server)
{
/* squit for a recently squit server, introduce the juped server now */
Server *s = Server::Find(rsquit_server);
rsquit_id.clear();
rsquit_server.clear();
if (s && s->IsJuped())
IRCD->SendServer(s);
}
else
Message::SQuit::Run(source, params);
}
};
struct IRCDMessageTime : IRCDMessage
{
IRCDMessageTime(Module *creator) : IRCDMessage(creator, "TIME", 2) { }
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
UplinkSocket::Message(Me) << "TIME " << source.GetSource() << " " << params[1] << " " << Anope::CurTime;
}
};
struct IRCDMessageUID : IRCDMessage
{
IRCDMessageUID(Module *creator) : IRCDMessage(creator, "UID", 8) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
/*
* [Nov 03 22:09:58.176252 2009] debug: Received: :964 UID 964AAAAAC 1225746297 w00t2 localhost testnet.user w00t 127.0.0.1 1225746302 +iosw +ACGJKLNOQcdfgjklnoqtx :Robin Burchell <w00t@inspircd.org>
* 0: uid
* 1: ts
* 2: nick
* 3: host
* 4: dhost
* 5: ident
* 6: ip
* 7: signon
* 8+: modes and params -- IMPORTANT, some modes (e.g. +s) may have parameters. So don't assume a fixed position of realname!
* last: realname
*/
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
{
time_t ts = convertTo<time_t>(params[1]);
Anope::string modes = params[8];
for (unsigned i = 9; i < params.size() - 1; ++i)
modes += " " + params[i];
NickAlias *na = NULL;
if (SASL::sasl)
for (std::list<SASLUser>::iterator it = saslusers.begin(); it != saslusers.end();)
{
SASLUser &u = *it;
if (u.created + 30 < Anope::CurTime)
it = saslusers.erase(it);
else if (u.uid == params[0])
{
na = NickAlias::Find(u.acc);
it = saslusers.erase(it);
}
else
++it;
}
User *u = User::OnIntroduce(params[2], params[5], params[3], params[4], params[6], source.GetServer(), params[params.size() - 1], ts, modes, params[0], na ? *na->nc : NULL);
if (u)
u->signon = convertTo<time_t>(params[7]);
}
};
class ProtoInspIRCd3 : public Module
{
InspIRCd3Proto ircd_proto;
ExtensibleItem<bool> ssl;
/* Core message handlers */
Message::Error message_error;
Message::Invite message_invite;
Message::Kill message_kill;
Message::MOTD message_motd;
Message::Notice message_notice;
Message::Part message_part;
Message::Privmsg message_privmsg;
Message::Quit message_quit;
Message::Stats message_stats;
/* Our message handlers */
IRCDMessageAway message_away;
IRCDMessageCapab message_capab;
IRCDMessageEncap message_encap;
IRCDMessageEndburst message_endburst;
IRCDMessageFHost message_fhost;
IRCDMessageFIdent message_fident;
IRCDMessageFJoin message_fjoin;
IRCDMessageFMode message_fmode;
IRCDMessageFTopic message_ftopic;
IRCDMessageIdle message_idle;
IRCDMessageIJoin message_ijoin;
IRCDMessageKick message_kick;
IRCDMessageMetadata message_metadata;
IRCDMessageMode message_mode;
IRCDMessageNick message_nick;
IRCDMessageOperType message_opertype;
IRCDMessagePing message_ping;
IRCDMessageRSQuit message_rsquit;
IRCDMessageSave message_save;
IRCDMessageServer message_server;
IRCDMessageSQuit message_squit;
IRCDMessageTime message_time;
IRCDMessageUID message_uid;
bool use_server_side_topiclock, use_server_side_mlock;
void SendChannelMetadata(Channel *c, const Anope::string &metadataname, const Anope::string &value)
{
UplinkSocket::Message(Me) << "METADATA " << c->name << " " << c->creation_time << " " << metadataname << " :" << value;
}
public:
ProtoInspIRCd3(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, PROTOCOL | VENDOR),
ircd_proto(this), ssl(this, "ssl"),
message_error(this), message_invite(this), message_kill(this), message_motd(this), message_notice(this),
message_part(this), message_privmsg(this), message_quit(this), message_stats(this),
message_away(this), message_capab(this), message_encap(this), message_endburst(this), message_fhost(this),
message_fident(this), message_fjoin(this), message_fmode(this), message_ftopic(this), message_idle(this),
message_ijoin(this), message_kick(this), message_metadata(this, use_server_side_topiclock, use_server_side_mlock, ircd_proto.maxlist),
message_mode(this), message_nick(this), message_opertype(this), message_ping(this), message_rsquit(this),
message_save(this), message_server(this), message_squit(this), message_time(this), message_uid(this)
{
}
void OnReload(Configuration::Conf *conf) anope_override
{
use_server_side_topiclock = conf->GetModule(this)->Get<bool>("use_server_side_topiclock");
use_server_side_mlock = conf->GetModule(this)->Get<bool>("use_server_side_mlock");
}
void OnUserNickChange(User *u, const Anope::string &) anope_override
{
u->RemoveModeInternal(Me, ModeManager::FindUserModeByName("REGISTERED"));
}
void OnChannelSync(Channel *c) anope_override
{
if (c->ci)
this->OnChanRegistered(c->ci);
}
void OnChanRegistered(ChannelInfo *ci) anope_override
{
ModeLocks *modelocks = ci->GetExt<ModeLocks>("modelocks");
if (use_server_side_mlock && ci->c && modelocks && !modelocks->GetMLockAsString(false).empty())
{
Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "");
SendChannelMetadata(ci->c, "mlock", modes);
}
if (use_server_side_topiclock && Servers::Capab.count("TOPICLOCK") && ci->c)
{
if (ci->HasExt("TOPICLOCK"))
SendChannelMetadata(ci->c, "topiclock", "1");
}
}
void OnDelChan(ChannelInfo *ci) anope_override
{
if (use_server_side_mlock && ci->c)
SendChannelMetadata(ci->c, "mlock", "");
if (use_server_side_topiclock && Servers::Capab.count("TOPICLOCK") && ci->c)
SendChannelMetadata(ci->c, "topiclock", "");
}
EventReturn OnMLock(ChannelInfo *ci, ModeLock *lock) anope_override
{
ModeLocks *modelocks = ci->GetExt<ModeLocks>("modelocks");
ChannelMode *cm = ModeManager::FindChannelModeByName(lock->name);
if (use_server_side_mlock && cm && ci->c && modelocks && (cm->type == MODE_REGULAR || cm->type == MODE_PARAM))
{
Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "") + cm->mchar;
SendChannelMetadata(ci->c, "mlock", modes);
}
return EVENT_CONTINUE;
}
EventReturn OnUnMLock(ChannelInfo *ci, ModeLock *lock) anope_override
{
ModeLocks *modelocks = ci->GetExt<ModeLocks>("modelocks");
ChannelMode *cm = ModeManager::FindChannelModeByName(lock->name);
if (use_server_side_mlock && cm && ci->c && modelocks && (cm->type == MODE_REGULAR || cm->type == MODE_PARAM))
{
Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "").replace_all_cs(cm->mchar, "");
SendChannelMetadata(ci->c, "mlock", modes);
}
return EVENT_CONTINUE;
}
EventReturn OnSetChannelOption(CommandSource &source, Command *cmd, ChannelInfo *ci, const Anope::string &setting) anope_override
{
if (cmd->name == "chanserv/topic" && ci->c)
{
if (setting == "topiclock on")
SendChannelMetadata(ci->c, "topiclock", "1");
else if (setting == "topiclock off")
SendChannelMetadata(ci->c, "topiclock", "0");
}
return EVENT_CONTINUE;
}
};
MODULE_INIT(ProtoInspIRCd3)
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