#include "socket.h"
#include "xline.h"
#include "iohook.h"
+#include "modules/server.h"
#include "resolvers.h"
#include "main.h"
ModuleSpanningTree::ModuleSpanningTree()
: rconnect(this), rsquit(this), map(this)
- , commands(NULL)
+ , commands(this)
, currmembid(0)
+ , eventprov(this, "event/server")
, DNS(this, "DNS")
, loopCall(false)
{
uid(module), opertype(module), fjoin(module), ijoin(module), resync(module),
fmode(module), ftopic(module), fhost(module), fident(module), fname(module),
away(module), addline(module), delline(module), encap(module), idle(module),
- nick(module), ping(module), pong(module), push(module), save(module),
+ nick(module), ping(module), pong(module), save(module),
server(module), squit(module), snonotice(module),
- endburst(module), sinfo(module)
+ endburst(module), sinfo(module), num(module)
{
}
Utils = new SpanningTreeUtilities(this);
Utils->TreeRoot = new TreeServer;
- commands = new SpanningTreeCommands(this);
ServerInstance->PI = &protocolinterface;
else if ((Current->Hidden) && (!user->IsOper()))
return;
- user->WriteNumeric(RPL_LINKS, "%s %s :%d %s", Current->GetName().c_str(),
- (Utils->FlatLinks && (!user->IsOper())) ? ServerInstance->Config->ServerName.c_str() : Parent.c_str(),
- (Utils->FlatLinks && (!user->IsOper())) ? 0 : hops,
- Current->GetDesc().c_str());
+ user->WriteNumeric(RPL_LINKS, Current->GetName(),
+ (((Utils->FlatLinks) && (!user->IsOper())) ? ServerInstance->Config->ServerName : Parent),
+ InspIRCd::Format("%d %s", (((Utils->FlatLinks) && (!user->IsOper())) ? 0 : hops), Current->GetDesc().c_str()));
}
void ModuleSpanningTree::HandleLinks(const std::vector<std::string>& parameters, User* user)
{
ShowLinks(Utils->TreeRoot,user,0);
- user->WriteNumeric(RPL_ENDOFLINKS, "* :End of /LINKS list.");
+ user->WriteNumeric(RPL_ENDOFLINKS, '*', "End of /LINKS list.");
}
std::string ModuleSpanningTree::TimeToStr(time_t secs)
+ ConvToStr(secs) + "s");
}
-void ModuleSpanningTree::DoPingChecks(time_t curtime)
-{
- /*
- * Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
- * This prevents lost REMOTECONNECT notices
- */
- long ts = ServerInstance->Time() * 1000 + (ServerInstance->Time_ns() / 1000000);
-
-restart:
- for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
- {
- TreeServer *s = i->second;
-
- // Skip myself
- if (s->IsRoot())
- continue;
-
- // Do not ping servers that are not fully connected yet!
- // Servers which are connected to us have IsLocal() == true and if they're fully connected
- // then Socket->LinkState == CONNECTED. Servers that are linked to another server are always fully connected.
- if (s->IsLocal() && s->GetSocket()->GetLinkState() != CONNECTED)
- continue;
-
- // Now do PING checks on all servers
- // Only ping if this server needs one
- if (curtime >= s->NextPingTime())
- {
- // And if they answered the last
- if (s->AnsweredLastPing())
- {
- // They did, send a ping to them
- s->SetNextPingTime(curtime + Utils->PingFreq);
- s->GetSocket()->WriteLine(CmdBuilder("PING").push(s->GetID()));
- s->LastPingMsec = ts;
- }
- else
- {
- // They didn't answer the last ping, if they are locally connected, get rid of them.
- if (s->IsLocal())
- {
- TreeSocket* sock = s->GetSocket();
- sock->SendError("Ping timeout");
- sock->Close();
- goto restart;
- }
- }
- }
-
- // If warn on ping enabled and not warned and the difference is sufficient and they didn't answer the last ping...
- if ((Utils->PingWarnTime) && (!s->Warned) && (curtime >= s->NextPingTime() - (Utils->PingFreq - Utils->PingWarnTime)) && (!s->AnsweredLastPing()))
- {
- /* The server hasnt responded, send a warning to opers */
- ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", s->GetName().c_str(), Utils->PingWarnTime);
- s->Warned = true;
- }
- }
-}
-
void ModuleSpanningTree::ConnectServer(Autoconnect* a, bool on_timer)
{
if (!a)
{
bool ipvalid = true;
- if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name), rfc_case_insensitive_map))
+ if (InspIRCd::Match(ServerInstance->Config->ServerName, x->Name, ascii_case_insensitive_map))
{
ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Not connecting to myself.");
return;
}
- DNS::QueryType start_type = DNS::QUERY_AAAA;
if (strchr(x->IPAddr.c_str(),':'))
{
in6_addr n;
else
{
in_addr n;
- if (inet_aton(x->IPAddr.c_str(),&n) < 1)
+ if (inet_pton(AF_INET, x->IPAddr.c_str(),&n) < 1)
ipvalid = false;
}
/* Do we already have an IP? If so, no need to resolve it. */
if (ipvalid)
{
- /* Gave a hook, but it wasnt one we know */
+ // Create a TreeServer object that will start connecting immediately in the background
TreeSocket* newsocket = new TreeSocket(x, y, x->IPAddr);
if (newsocket->GetFd() > -1)
{
}
else if (!DNS)
{
- ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: Hostname given and m_dns.so is not loaded, unable to resolve.", x->Name.c_str());
+ ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: Hostname given and core_dns is not loaded, unable to resolve.", x->Name.c_str());
}
else
{
+ // Guess start_type from bindip aftype
+ DNS::QueryType start_type = DNS::QUERY_AAAA;
+ irc::sockets::sockaddrs bind;
+ if ((!x->Bind.empty()) && (irc::sockets::aptosa(x->Bind, 0, bind)))
+ {
+ if (bind.sa.sa_family == AF_INET)
+ start_type = DNS::QUERY_A;
+ }
+
ServernameResolver* snr = new ServernameResolver(*DNS, x->IPAddr, x, start_type, y);
try
{
void ModuleSpanningTree::DoConnectTimeout(time_t curtime)
{
- std::map<TreeSocket*, std::pair<std::string, int> >::iterator i = Utils->timeoutlist.begin();
+ SpanningTreeUtilities::TimeoutList::iterator i = Utils->timeoutlist.begin();
while (i != Utils->timeoutlist.end())
{
TreeSocket* s = i->first;
- std::pair<std::string, int> p = i->second;
- std::map<TreeSocket*, std::pair<std::string, int> >::iterator me = i;
+ std::pair<std::string, unsigned int> p = i->second;
+ SpanningTreeUtilities::TimeoutList::iterator me = i;
i++;
if (s->GetLinkState() == DYING)
{
}
else if (curtime > s->age + p.second)
{
- ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002 (timeout of %d seconds)",p.first.c_str(),p.second);
+ ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002 (timeout of %u seconds)",p.first.c_str(),p.second);
Utils->timeoutlist.erase(me);
s->Close();
}
ModResult ModuleSpanningTree::HandleVersion(const std::vector<std::string>& parameters, User* user)
{
- // we've already checked if pcnt > 0, so this is safe
+ // We've already confirmed that !parameters.empty(), so this is safe
TreeServer* found = Utils->FindServerMask(parameters[0]);
if (found)
{
// or the server is a 2.0 server and does not send a full version.
bool showfull = ((user->IsOper()) && (!found->GetFullVersion().empty()));
const std::string& Version = (showfull ? found->GetFullVersion() : found->GetVersion());
- user->WriteNumeric(RPL_VERSION, ":%s", Version.c_str());
+ user->WriteNumeric(RPL_VERSION, Version);
}
else
{
- user->WriteNumeric(ERR_NOSUCHSERVER, "%s :No such server", parameters[0].c_str());
+ user->WriteNumeric(ERR_NOSUCHSERVER, parameters[0], "No such server");
}
return MOD_RES_DENY;
}
-/* This method will attempt to get a message to a remote user.
- */
-void ModuleSpanningTree::RemoteMessage(User* user, const char* format, ...)
-{
- std::string text;
- VAFORMAT(text, format, format);
-
- if (IS_LOCAL(user))
- user->WriteNotice(text);
- else
- ServerInstance->PI->SendUserNotice(user, text);
-}
-
ModResult ModuleSpanningTree::HandleConnect(const std::vector<std::string>& parameters, User* user)
{
for (std::vector<reference<Link> >::iterator i = Utils->LinkBlocks.begin(); i < Utils->LinkBlocks.end(); i++)
{
Link* x = *i;
- if (InspIRCd::Match(x->Name.c_str(),parameters[0], rfc_case_insensitive_map))
+ if (InspIRCd::Match(x->Name, parameters[0], ascii_case_insensitive_map))
{
- if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name), rfc_case_insensitive_map))
+ if (InspIRCd::Match(ServerInstance->Config->ServerName, x->Name, ascii_case_insensitive_map))
{
- RemoteMessage(user, "*** CONNECT: Server \002%s\002 is ME, not connecting.",x->Name.c_str());
+ user->WriteRemoteNotice(InspIRCd::Format("*** CONNECT: Server \002%s\002 is ME, not connecting.", x->Name.c_str()));
return MOD_RES_DENY;
}
- TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
+ TreeServer* CheckDupe = Utils->FindServer(x->Name);
if (!CheckDupe)
{
- RemoteMessage(user, "*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",x->Name.c_str(),(x->HiddenFromStats ? "<hidden>" : x->IPAddr.c_str()),x->Port);
+ user->WriteRemoteNotice(InspIRCd::Format("*** CONNECT: Connecting to server: \002%s\002 (%s:%d)", x->Name.c_str(), (x->HiddenFromStats ? "<hidden>" : x->IPAddr.c_str()), x->Port));
ConnectServer(x);
return MOD_RES_DENY;
}
else
{
- RemoteMessage(user, "*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002", x->Name.c_str(), CheckDupe->GetParent()->GetName().c_str());
+ user->WriteRemoteNotice(InspIRCd::Format("*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002", x->Name.c_str(), CheckDupe->GetParent()->GetName().c_str()));
return MOD_RES_DENY;
}
}
}
- RemoteMessage(user, "*** CONNECT: No server matching \002%s\002 could be found in the config file.",parameters[0].c_str());
+ user->WriteRemoteNotice(InspIRCd::Format("*** CONNECT: No server matching \002%s\002 could be found in the config file.", parameters[0].c_str()));
return MOD_RES_DENY;
}
-void ModuleSpanningTree::OnUserInvite(User* source,User* dest,Channel* channel, time_t expiry)
+void ModuleSpanningTree::OnUserInvite(User* source, User* dest, Channel* channel, time_t expiry, unsigned int notifyrank, CUList& notifyexcepts)
{
if (IS_LOCAL(source))
{
}
}
+ModResult ModuleSpanningTree::OnPreTopicChange(User* user, Channel* chan, const std::string& topic)
+{
+ // XXX: Deny topic changes if the current topic set time is the current time or is in the future because
+ // other servers will drop our FTOPIC. This restriction will be removed when the protocol is updated.
+ if ((chan->topicset >= ServerInstance->Time()) && (Utils->serverlist.size() > 1))
+ {
+ user->WriteNumeric(ERR_CHANOPRIVSNEEDED, chan->name, "Retry topic change later");
+ return MOD_RES_DENY;
+ }
+ return MOD_RES_PASSTHRU;
+}
+
void ModuleSpanningTree::OnPostTopicChange(User* user, Channel* chan, const std::string &topic)
{
// Drop remote events on the floor.
CommandFTopic::Builder(user, chan).Broadcast();
}
-void ModuleSpanningTree::OnUserMessage(User* user, void* dest, int target_type, const std::string& text, char status, const CUList& exempt_list, MessageType msgtype)
+void ModuleSpanningTree::OnUserPostMessage(User* user, const MessageTarget& target, const MessageDetails& details)
{
if (!IS_LOCAL(user))
return;
- const char* message_type = (msgtype == MSG_PRIVMSG ? "PRIVMSG" : "NOTICE");
- if (target_type == TYPE_USER)
+ const char* message_type = (details.type == MSG_PRIVMSG ? "PRIVMSG" : "NOTICE");
+ if (target.type == MessageTarget::TYPE_USER)
{
- User* d = (User*) dest;
+ User* d = target.Get<User>();
if (!IS_LOCAL(d))
{
CmdBuilder params(user, message_type);
params.push_back(d->uuid);
- params.push_last(text);
+ params.push_last(details.text);
params.Unicast(d);
}
}
- else if (target_type == TYPE_CHANNEL)
+ else if (target.type == MessageTarget::TYPE_CHANNEL)
{
- Utils->SendChannelMessage(user->uuid, (Channel*)dest, text, status, exempt_list, message_type);
+ Utils->SendChannelMessage(user->uuid, target.Get<Channel>(), details.text, target.status, details.exemptions, message_type);
}
- else if (target_type == TYPE_SERVER)
+ else if (target.type == MessageTarget::TYPE_SERVER)
{
- char* target = (char*) dest;
+ const std::string* serverglob = target.Get<std::string>();
CmdBuilder par(user, message_type);
- par.push_back(target);
- par.push_last(text);
+ par.push_back(*serverglob);
+ par.push_last(details.text);
par.Broadcast();
}
}
void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
{
AutoConnectServers(curtime);
- DoPingChecks(curtime);
DoConnectTimeout(curtime);
}
}
}
- // Regardless, We need to modify the user Counts..
+ // Regardless, update the UserCount
TreeServer::Get(user)->UserCount--;
}
return;
ServerInstance->PI->SendMetaData("modules", "-" + mod->ModuleSourceFile);
+ if (mod == this)
+ {
+ // We are being unloaded, inform modules about all servers splitting which cannot be done later when the servers are actually disconnected
+ const server_hash& servers = Utils->serverlist;
+ for (server_hash::const_iterator i = servers.begin(); i != servers.end(); ++i)
+ {
+ TreeServer* server = i->second;
+ if (!server->IsRoot())
+ FOREACH_MOD_CUSTOM(GetEventProvider(), ServerEventListener, OnServerSplit, (server));
+ }
+ return;
+ }
+
+ // Some other module is being unloaded. If it provides an IOHook we use, we must close that server connection now.
+
restart:
// Close all connections which use an IO hook provided by this module
const TreeServer::ChildServers& list = Utils->TreeRoot->GetChildren();
for (TreeServer::ChildServers::const_iterator i = list.begin(); i != list.end(); ++i)
{
TreeSocket* sock = (*i)->GetSocket();
- if (sock->GetIOHook() && sock->GetIOHook()->prov->creator == mod)
+ if (sock->GetModHook(mod))
{
sock->SendError("SSL module unloaded");
sock->Close();
for (SpanningTreeUtilities::TimeoutList::const_iterator i = Utils->timeoutlist.begin(); i != Utils->timeoutlist.end(); ++i)
{
TreeSocket* sock = i->first;
- if (sock->GetIOHook() && sock->GetIOHook()->prov->creator == mod)
+ if (sock->GetModHook(mod))
sock->Close();
}
}
-// note: the protocol does not allow direct umode +o except
-// via NICK with 8 params. sending OPERTYPE infers +o modechange
-// locally.
void ModuleSpanningTree::OnOper(User* user, const std::string &opertype)
{
if (user->registered != REG_ALL || !IS_LOCAL(user))
return;
+
+ // Note: The protocol does not allow direct umode +o;
+ // sending OPERTYPE infers +o modechange locally.
CommandOpertype::Builder(user).Broadcast();
}
Server* newsrv = new Server(ServerInstance->Config->ServerName, ServerInstance->Config->ServerDesc);
SetLocalUsersServer(newsrv);
- /* This will also free the listeners */
delete Utils;
-
- delete commands;
}
Version ModuleSpanningTree::GetVersion()
* so that any activity it sees is FINAL, e.g. we arent going to send out
* a NICK message before m_cloaking has finished putting the +x on the user,
* etc etc.
- * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
+ * Therefore, we set our priority to PRIORITY_LAST to make sure we end up at the END of
* the module call queue.
*/
void ModuleSpanningTree::Prioritize()
{
ServerInstance->Modules->SetPriority(this, PRIORITY_LAST);
+ ServerInstance->Modules.SetPriority(this, I_OnPreTopicChange, PRIORITY_FIRST);
}
MODULE_INIT(ModuleSpanningTree)