ModResult OnUserRegister(LocalUser* user) override
{
// Apply lines on user connect
XLine *rl = ServerInstance->XLines->MatchesLine("R", user);
if (rl)
{
// Bang. :P
rl->Apply(user);
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}
void OnUserPostNick(User *user, const std::string &oldnick) override
{
if (!IS_LOCAL(user))
return;
if (!MatchOnNickChange)
return;
XLine *rl = ServerInstance->XLines->MatchesLine("R", user);
if (rl)
{
// Bang! :D
rl->Apply(user);
}
}
bool LocalUser::CheckLines(bool doZline)
{
const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
if (!this->exempt)
{
for (int n = 0; check[n]; ++n)
{
XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
if (r)
{
r->Apply(this);
return true;
}
}
}
return false;
}
// applies lines, removing clients and changing nicks etc as applicable
void XLineManager::ApplyLines()
{
for (std::vector<User*>::const_iterator u2 = ServerInstance->Users->local_users.begin(); u2 != ServerInstance->Users->local_users.end(); u2++)
{
User* u = (User*)(*u2);
// Don't ban people who are exempt.
if (u->exempt)
continue;
for (std::vector<XLine *>::iterator i = pending_lines.begin(); i != pending_lines.end(); i++)
{
XLine *x = *i;
if (x->Matches(u))
x->Apply(u);
}
}
pending_lines.clear();
}
// applies lines, removing clients and changing nicks etc as applicable
void XLineManager::ApplyLines()
{
LocalUserList::reverse_iterator u2 = ServerInstance->Users->local_users.rbegin();
while (u2 != ServerInstance->Users->local_users.rend())
{
LocalUser* u = *u2++;
// Don't ban people who are exempt.
if (u->exempt)
continue;
for (std::vector<XLine *>::iterator i = pending_lines.begin(); i != pending_lines.end(); i++)
{
XLine *x = *i;
if (x->Matches(u))
x->Apply(u);
}
}
pending_lines.clear();
}
/* add a client connection to the sockets list */
void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
{
/* NOTE: Calling this one parameter constructor for User automatically
* allocates a new UUID and places it in the hash_map.
*/
LocalUser* New = NULL;
try
{
New = new LocalUser(socket, client, server);
}
catch (...)
{
ServerInstance->Logs->Log("USERS", DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkeys have been unleashed.");
ServerInstance->SNO->WriteToSnoMask('a', "WARNING *** Duplicate UUID allocated!");
return;
}
UserIOHandler* eh = &New->eh;
/* Give each of the modules an attempt to hook the user for I/O */
FOREACH_MOD(I_OnHookIO, OnHookIO(eh, via));
if (eh->GetIOHook())
{
try
{
eh->GetIOHook()->OnStreamSocketAccept(eh, client, server);
}
catch (CoreException& modexcept)
{
ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
}
}
ServerInstance->Logs->Log("USERS", DEBUG,"New user fd: %d", socket);
this->unregistered_count++;
/* The users default nick is their UUID */
New->nick.assign(New->uuid, 0, ServerInstance->Config->Limits.NickMax);
(*(this->clientlist))[New->nick] = New;
New->registered = REG_NONE;
New->signon = ServerInstance->Time() + ServerInstance->Config->dns_timeout;
New->lastping = 1;
ServerInstance->Users->AddLocalClone(New);
ServerInstance->Users->AddGlobalClone(New);
New->localuseriter = this->local_users.insert(local_users.end(), New);
if ((this->local_users.size() > ServerInstance->Config->SoftLimit) || (this->local_users.size() >= (unsigned int)ServerInstance->SE->GetMaxFds()))
{
ServerInstance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", ServerInstance->Config->SoftLimit);
this->QuitUser(New,"No more connections allowed");
return;
}
/*
* First class check. We do this again in FullConnect after DNS is done, and NICK/USER is recieved.
* See my note down there for why this is required. DO NOT REMOVE. :) -- w00t
*/
New->SetClass();
/*
* Check connect class settings and initialise settings into User.
* This will be done again after DNS resolution. -- w00t
*/
New->CheckClass();
if (New->quitting)
return;
/*
* even with bancache, we still have to keep User::exempt current.
* besides that, if we get a positive bancache hit, we still won't f**k
* them over if they are exempt. -- w00t
*/
New->exempt = (ServerInstance->XLines->MatchesLine("E",New) != NULL);
if (BanCacheHit *b = ServerInstance->BanCache->GetHit(New->GetIPString()))
{
if (!b->Type.empty() && !New->exempt)
{
/* user banned */
ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCache: Positive hit for " + New->GetIPString());
if (!ServerInstance->Config->MoronBanner.empty())
New->WriteServ("NOTICE %s :*** %s", New->nick.c_str(), ServerInstance->Config->MoronBanner.c_str());
this->QuitUser(New, b->Reason);
return;
}
else
{
ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCache: Negative hit for " + New->GetIPString());
}
}
else
{
if (!New->exempt)
{
XLine* r = ServerInstance->XLines->MatchesLine("Z",New);
if (r)
{
r->Apply(New);
return;
}
}
}
if (!ServerInstance->SE->AddFd(eh, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE))
{
ServerInstance->Logs->Log("USERS", DEBUG,"Internal error on new connection");
this->QuitUser(New, "Internal error handling connection");
}
/* NOTE: even if dns lookups are *off*, we still need to display this.
* BOPM and other stuff requires it.
*/
New->WriteServ("NOTICE Auth :*** Looking up your hostname...");
if (ServerInstance->Config->RawLog)
New->WriteServ("NOTICE Auth :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.");
FOREACH_MOD(I_OnSetUserIP,OnSetUserIP(New));
if (New->quitting)
return;
FOREACH_MOD(I_OnUserInit,OnUserInit(New));
if (ServerInstance->Config->NoUserDns)
{
New->WriteServ("NOTICE %s :*** Skipping host resolution (disabled by server administrator)", New->nick.c_str());
New->dns_done = true;
}
else
{
New->StartDNSLookup();
}
}
/* add a client connection to the sockets list */
void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
{
/* NOTE: Calling this one parameter constructor for User automatically
* allocates a new UUID and places it in the hash_map.
*/
LocalUser* const New = new LocalUser(socket, client, server);
UserIOHandler* eh = &New->eh;
// If this listener has an IO hook provider set then tell it about the connection
if (via->iohookprov)
via->iohookprov->OnAccept(eh, client, server);
ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New user fd: %d", socket);
this->unregistered_count++;
/* The users default nick is their UUID */
New->nick = New->uuid;
this->clientlist[New->nick] = New;
New->registered = REG_NONE;
New->signon = ServerInstance->Time();
New->lastping = 1;
this->AddClone(New);
this->local_users.push_front(New);
if (this->local_users.size() > ServerInstance->Config->SoftLimit)
{
ServerInstance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", ServerInstance->Config->SoftLimit);
this->QuitUser(New,"No more connections allowed");
return;
}
/*
* First class check. We do this again in FullConnect after DNS is done, and NICK/USER is recieved.
* See my note down there for why this is required. DO NOT REMOVE. :) -- w00t
*/
New->SetClass();
/*
* Check connect class settings and initialise settings into User.
* This will be done again after DNS resolution. -- w00t
*/
New->CheckClass(ServerInstance->Config->CCOnConnect);
if (New->quitting)
return;
/*
* even with bancache, we still have to keep User::exempt current.
* besides that, if we get a positive bancache hit, we still won't f**k
* them over if they are exempt. -- w00t
*/
New->exempt = (ServerInstance->XLines->MatchesLine("E",New) != NULL);
BanCacheHit* const b = ServerInstance->BanCache.GetHit(New->GetIPString());
if (b)
{
if (!b->Type.empty() && !New->exempt)
{
/* user banned */
ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Positive hit for " + New->GetIPString());
if (!ServerInstance->Config->XLineMessage.empty())
New->WriteNumeric(ERR_YOUREBANNEDCREEP, ":" + ServerInstance->Config->XLineMessage);
this->QuitUser(New, b->Reason);
return;
}
else
{
ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Negative hit for " + New->GetIPString());
}
}
else
{
if (!New->exempt)
{
XLine* r = ServerInstance->XLines->MatchesLine("Z",New);
if (r)
{
r->Apply(New);
return;
}
}
}
if (!SocketEngine::AddFd(eh, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE))
{
ServerInstance->Logs->Log("USERS", LOG_DEBUG, "Internal error on new connection");
this->QuitUser(New, "Internal error handling connection");
}
if (ServerInstance->Config->RawLog)
New->WriteNotice("*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.");
FOREACH_MOD(OnSetUserIP, (New));
if (New->quitting)
return;
FOREACH_MOD(OnUserInit, (New));
}