* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
#include "commands/cmd_whois.h"
#include "commands/cmd_stats.h"
#include "socket.h"
-#include "wildcard.h"
#include "xline.h"
#include "transport.h"
#include "socketengine.h"
#include "m_spanningtree/treesocket.h"
#include "m_spanningtree/resolvers.h"
-/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */
+/* $ModDep: m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */
-bool SpanningTreeUtilities::IsSID(const std::string &str)
+/* Create server sockets off a listener. */
+void ServerSocketListener::OnAcceptReady(const std::string &ipconnectedto, int newsock, const std::string &incomingip)
{
- /* Returns true if the string given is exactly 3 characters long,
- * starts with a digit, and has no '.' in the other 2
- */
- return ((str.length() == 3) && isdigit(str[0]) && (str[1] != '.' && str[2] != '.'));
+ bool found = false;
+ char *ip = (char *)incomingip.c_str(); // XXX ugly cast
+
+ found = (std::find(Utils->ValidIPs.begin(), Utils->ValidIPs.end(), ip) != Utils->ValidIPs.end());
+ if (!found)
+ {
+ for (std::vector<std::string>::iterator i = Utils->ValidIPs.begin(); i != Utils->ValidIPs.end(); i++)
+ {
+ if (*i == "*" || irc::sockets::MatchCIDR(ip, *i))
+ {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ {
+ this->ServerInstance->SNO->WriteToSnoMask('l', "Server connection from %s denied (no link blocks with that IP address)", ip);
+ ServerInstance->SE->Close(newsock);
+ return;
+ }
+ }
+
+ if (this->GetIOHook())
+ {
+ this->GetIOHook()->OnRawSocketAccept(newsock, incomingip.c_str(), this->bind_port);
+ }
+
+ /* we don't need a pointer to this, creating it stores it in the necessary places */
+ new TreeSocket(this->Utils, this->ServerInstance, newsock, ip, this->GetIOHook());
+ return;
}
/** Yay for fast searches!
*/
TreeServer* SpanningTreeUtilities::FindServer(const std::string &ServerName)
{
- if (IsSID(ServerName))
+ if (this->ServerInstance->IsSID(ServerName))
return this->FindServerID(ServerName);
server_hash::iterator iter = serverlist.find(ServerName.c_str());
}
}
-TreeServer* SpanningTreeUtilities::FindRemoteBurstServer(TreeServer* Server)
-{
- server_hash::iterator iter = RemoteServersBursting.find(Server->GetName().c_str());
- if (iter != RemoteServersBursting.end())
- return iter->second;
- else
- return NULL;
-}
-
-TreeSocket* SpanningTreeUtilities::FindBurstingServer(const std::string &ServerName)
-{
- std::map<irc::string,TreeSocket*>::iterator iter;
- iter = burstingserverlist.find(ServerName.c_str());
- if (iter != burstingserverlist.end())
- {
- return iter->second;
- }
- else
- {
- return NULL;
- }
-}
-
-void SpanningTreeUtilities::SetRemoteBursting(TreeServer* Server, bool bursting)
-{
- server_hash::iterator iter = RemoteServersBursting.find(Server->GetName().c_str());
- if (bursting)
- {
- if (iter == RemoteServersBursting.end())
- RemoteServersBursting.insert(make_pair(Server->GetName(), Server));
- else return;
- }
- else
- {
- if (iter != RemoteServersBursting.end())
- RemoteServersBursting.erase(iter);
- else return;
- }
- ServerInstance->Log(DEBUG,"Server %s is %sbursting nicknames", Server->GetName().c_str(), bursting ? "" : "no longer ");
-}
-
-void SpanningTreeUtilities::AddBurstingServer(const std::string &ServerName, TreeSocket* s)
-{
- std::map<irc::string,TreeSocket*>::iterator iter = burstingserverlist.find(ServerName.c_str());
- if (iter == burstingserverlist.end())
- burstingserverlist[ServerName.c_str()] = s;
-}
-
-void SpanningTreeUtilities::DelBurstingServer(TreeSocket* s)
-{
- for (std::map<irc::string,TreeSocket*>::iterator iter = burstingserverlist.begin(); iter != burstingserverlist.end(); iter++)
- {
- if (iter->second == s)
- {
- burstingserverlist.erase(iter);
- return;
- }
- }
-}
-
/** Returns the locally connected server we must route a
* message through to reach server 'ServerName'. This
* only applies to one-to-one and not one-to-many routing.
}
else
{
+ // Cheat a bit. This allows for (better) working versions of routing commands with nick based prefixes, without hassle
+ User *u = ServerInstance->FindNick(ServerName);
+ if (u)
+ {
+ Found = FindServer(u->server);
+ if (Found)
+ return Found->GetRoute();
+ }
+
return NULL;
}
}
{
for (server_hash::iterator i = serverlist.begin(); i != serverlist.end(); i++)
{
- if (match(i->first.c_str(),ServerName.c_str()))
+ if (InspIRCd::Match(i->first,ServerName))
return i->second;
}
return NULL;
{
Bindings.clear();
- lines_to_apply = 0;
+ ServerInstance->Logs->Log("m_spanningtree",DEBUG,"***** Using SID for hash: %s *****", ServerInstance->Config->GetSID().c_str());
this->TreeRoot = new TreeServer(this, ServerInstance, ServerInstance->Config->ServerName, ServerInstance->Config->ServerDesc, ServerInstance->Config->GetSID());
- modulelist* ml = ServerInstance->FindInterface("InspSocketHook");
-
- /* Did we find any modules? */
- if (ml)
- {
- /* Yes, enumerate them all to find out the hook name */
- for (modulelist::iterator m = ml->begin(); m != ml->end(); m++)
- {
- /* Make a request to it for its name, its implementing
- * InspSocketHook so we know its safe to do this
- */
- std::string name = InspSocketNameRequest((Module*)Creator, *m).Send();
- /* Build a map of them */
- hooks[name.c_str()] = *m;
- hooknames.push_back(name);
- }
- }
-
this->ReadConfiguration(true);
}
{
for (unsigned int i = 0; i < Bindings.size(); i++)
{
- ServerInstance->SE->DelFd(Bindings[i]);
- Bindings[i]->Close();
+ delete Bindings[i];
}
+
while (TreeRoot->ChildCount())
{
TreeServer* child_server = TreeRoot->GetChild(0);
}
}
delete TreeRoot;
- ServerInstance->InspSocketCull();
+ ServerInstance->BufferedSocketCull();
}
void SpanningTreeUtilities::AddThisServer(TreeServer* server, TreeServerList &list)
}
/* returns a list of DIRECT servernames for a specific channel */
-void SpanningTreeUtilities::GetListOfServersForChannel(chanrec* c, TreeServerList &list, char status, const CUList &exempt_list)
+void SpanningTreeUtilities::GetListOfServersForChannel(Channel* c, TreeServerList &list, char status, const CUList &exempt_list)
{
- CUList *ulist;
- switch (status)
- {
- case '@':
- ulist = c->GetOppedUsers();
- break;
- case '%':
- ulist = c->GetHalfoppedUsers();
- break;
- case '+':
- ulist = c->GetVoicedUsers();
- break;
- default:
- ulist = c->GetUsers();
- break;
- }
+ CUList *ulist = c->GetUsers();
+
for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
{
- if ((i->first->GetFd() < 0) && (exempt_list.find(i->first) == exempt_list.end()))
+ if (IS_LOCAL(i->first))
+ continue;
+
+ if (status && !strchr(c->GetAllPrefixChars(i->first), status))
+ continue;
+
+ if (exempt_list.find(i->first) == exempt_list.end())
{
TreeServer* best = this->BestRouteTo(i->first->server);
if (best)
if (params.size() >= 2)
{
/* Prefixes */
- if ((*(params[0].c_str()) == '@') || (*(params[0].c_str()) == '%') || (*(params[0].c_str()) == '+'))
+ if (ServerInstance->Modes->FindPrefix(params[0][0]))
{
pfx = params[0][0];
params[0] = params[0].substr(1, params[0].length()-1);
if ((*(params[0].c_str()) != '#') && (*(params[0].c_str()) != '$'))
{
// special routing for private messages/notices
- userrec* d = ServerInstance->FindNick(params[0]);
+ User* d = ServerInstance->FindNick(params[0]);
if (d)
{
std::deque<std::string> par;
}
else
{
- chanrec* c = ServerInstance->FindChan(params[0]);
- userrec* u = ServerInstance->FindNick(prefix);
- if (c && u)
+ Channel* c = ServerInstance->FindChan(params[0]);
+ User* u = ServerInstance->FindNick(prefix);
+ if (c)
{
CUList elist;
TreeServerList list;
- FOREACH_MOD(I_OnBuildExemptList, OnBuildExemptList((command == "PRIVMSG" ? MSG_PRIVMSG : MSG_NOTICE), c, u, pfx, elist));
+ FOREACH_MOD(I_OnBuildExemptList, OnBuildExemptList((command == "PRIVMSG" ? MSG_PRIVMSG : MSG_NOTICE), c, u, pfx, elist, params[1]));
GetListOfServersForChannel(c,list,pfx,elist);
for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
ValidIPs.clear();
for (std::vector<Link>::iterator L = LinkBlocks.begin(); L != LinkBlocks.end(); L++)
{
- if ((!L->IPAddr.empty()) && (!L->RecvPass.empty()) && (!L->SendPass.empty()) && (!L->Name.empty()) && (L->Port))
+ if (L->IPAddr.empty() || L->RecvPass.empty() || L->SendPass.empty() || L->Name.empty() || !L->Port)
{
- ValidIPs.push_back(L->IPAddr);
-
- if (L->AllowMask.length())
- ValidIPs.push_back(L->AllowMask);
-
- /* Needs resolving */
- bool ipvalid = true;
- QueryType start_type = DNS_QUERY_A;
-#ifdef IPV6
- start_type = DNS_QUERY_AAAA;
- if (strchr(L->IPAddr.c_str(),':'))
+ if (L->Name.empty())
{
- in6_addr n;
- if (inet_pton(AF_INET6, L->IPAddr.c_str(), &n) < 1)
- ipvalid = false;
+ ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"m_spanningtree: Ignoring a malformed link block (all link blocks require a name!)");
}
else
+ {
+ ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"m_spanningtree: Ignoring a link block missing recvpass, sendpass, port or ipaddr.");
+ }
+
+ /* Invalid link block */
+ continue;
+ }
+
+ ValidIPs.push_back(L->IPAddr);
+
+ if (L->AllowMask.length())
+ ValidIPs.push_back(L->AllowMask);
+
+ /* Needs resolving */
+ bool ipvalid = true;
+ QueryType start_type = DNS_QUERY_A;
+#ifdef IPV6
+ start_type = DNS_QUERY_AAAA;
+ if (strchr(L->IPAddr.c_str(),':'))
+ {
+ in6_addr n;
+ if (inet_pton(AF_INET6, L->IPAddr.c_str(), &n) < 1)
+ ipvalid = false;
+ }
+ else
#endif
+ {
+ in_addr n;
+ if (inet_aton(L->IPAddr.c_str(),&n) < 1)
+ ipvalid = false;
+ }
+
+ if (!ipvalid)
+ {
+ try
{
- in_addr n;
- if (inet_aton(L->IPAddr.c_str(),&n) < 1)
- ipvalid = false;
+ bool cached;
+ SecurityIPResolver* sr = new SecurityIPResolver((Module*)this->Creator, this, ServerInstance, L->IPAddr, *L, cached, start_type);
+ ServerInstance->AddResolver(sr, cached);
}
- if (!ipvalid)
+ catch (...)
{
- try
- {
- bool cached;
- SecurityIPResolver* sr = new SecurityIPResolver((Module*)this->Creator, this, ServerInstance, L->IPAddr, *L, cached, start_type);
- ServerInstance->AddResolver(sr, cached);
- }
- catch (...)
- {
- }
}
}
}
void SpanningTreeUtilities::ReadConfiguration(bool rebind)
{
ConfigReader* Conf = new ConfigReader(ServerInstance);
+
+ /* We don't need to worry about these being *unloaded* on the fly, only loaded,
+ * because we 'use' the interface locking the module in memory.
+ */
+ hooks.clear();
+ hooknames.clear();
+ modulelist* ml = ServerInstance->Modules->FindInterface("BufferedSocketHook");
+
+ /* Did we find any modules? */
+ if (ml)
+ {
+ /* Yes, enumerate them all to find out the hook name */
+ for (modulelist::iterator m = ml->begin(); m != ml->end(); m++)
+ {
+ /* Make a request to it for its name, its implementing
+ * BufferedSocketHook so we know its safe to do this
+ */
+ std::string name = BufferedSocketNameRequest((Module*)Creator, *m).Send();
+ /* Build a map of them */
+ hooks[name.c_str()] = *m;
+ hooknames.push_back(name);
+ }
+ }
+
if (rebind)
{
+ for (unsigned int i = 0; i < Bindings.size(); i++)
+ {
+ delete Bindings[i];
+ }
+ ServerInstance->BufferedSocketCull();
+ Bindings.clear();
+
for (int j = 0; j < Conf->Enumerate("bind"); j++)
{
std::string Type = Conf->ReadValue("bind","type",j);
{
irc::portparser portrange(Port, false);
int portno = -1;
+
+ if (IP == "*")
+ IP.clear();
+
while ((portno = portrange.GetToken()))
{
- if (IP == "*")
- IP.clear();
-
if ((!transport.empty()) && (hooks.find(transport.c_str()) == hooks.end()))
{
- ServerInstance->Log(DEFAULT,"m_spanningtree: WARNING: Can't find transport type '%s' for port %s:%s - maybe you forgot to load it BEFORE m_spanningtree in your config file? - Skipping this port binding", transport.c_str(), IP.c_str(), Port.c_str());
+ throw CoreException("Can't find transport type '"+transport+"' for port "+IP+":"+Port+" - maybe you forgot to load it BEFORE m_spanningtree in your config file?");
break;
}
- TreeSocket* listener = new TreeSocket(this, ServerInstance, IP.c_str(), portno, true, 10, transport.empty() ? NULL : hooks[transport.c_str()]);
- if (listener->GetState() == I_LISTENING)
- {
- ServerInstance->Log(DEFAULT,"m_spanningtree: Binding server port %s:%d successful!", IP.c_str(), portno);
- Bindings.push_back(listener);
- }
- else
+ ServerSocketListener *listener = new ServerSocketListener(ServerInstance, this, portno, (char *)IP.c_str());
+ if (listener->GetFd() == -1)
{
- ServerInstance->Log(DEFAULT,"m_spanningtree: Warning: Failed to bind server port: %s:%d: %s",IP.c_str(), portno, strerror(errno));
- listener->Close();
+ delete listener;
+ continue;
}
+
+ if (!transport.empty())
+ listener->AddIOHook(hooks[transport.c_str()]);
+
+ Bindings.push_back(listener);
}
}
}
}
- FlatLinks = Conf->ReadFlag("options","flatlinks",0);
- HideULines = Conf->ReadFlag("options","hideulines",0);
+ FlatLinks = Conf->ReadFlag("security","flatlinks",0);
+ HideULines = Conf->ReadFlag("security","hideulines",0);
AnnounceTSChange = Conf->ReadFlag("options","announcets",0);
- EnableTimeSync = Conf->ReadFlag("timesync","enable",0);
- MasterTime = Conf->ReadFlag("timesync", "master", 0);
- ChallengeResponse = !Conf->ReadFlag("options", "disablehmac", 0);
- quiet_bursts = Conf->ReadFlag("options", "quietbursts", 0);
+ ChallengeResponse = !Conf->ReadFlag("security", "disablehmac", 0);
+ quiet_bursts = Conf->ReadFlag("performance", "quietbursts", 0);
PingWarnTime = Conf->ReadInteger("options", "pingwarning", 0, true);
PingFreq = Conf->ReadInteger("options", "serverpingfreq", 0, true);
if ((!L.Hook.empty()) && (hooks.find(L.Hook.c_str()) == hooks.end()))
{
- ServerInstance->Log(DEFAULT,"m_spanningtree: WARNING: Can't find transport type '%s' for link '%s' - maybe you forgot to load it BEFORE m_spanningtree in your config file? Skipping <link> tag completely.",
- L.Hook.c_str(), L.Name.c_str());
+ throw CoreException("Can't find transport type '"+L.Hook+"' for link '"+assign(L.Name)+"' - maybe you forgot to load it BEFORE m_spanningtree in your config file? Skipping <link> tag completely.");
continue;
}
- L.NextConnectTime = time(NULL) + L.AutoConnect;
- /* Bugfix by brain, do not allow people to enter bad configurations */
- if (L.Name != ServerInstance->Config->ServerName)
+ // Fix: Only trip autoconnects if this wouldn't delay autoconnect..
+ if (L.NextConnectTime > ((time_t)(ServerInstance->Time() + L.AutoConnect)))
+ L.NextConnectTime = ServerInstance->Time() + L.AutoConnect;
+
+ if (L.Name.find('.') == std::string::npos)
+ throw CoreException("The link name '"+assign(L.Name)+"' is invalid and must contain at least one '.' character");
+
+ if (L.Name.length() > 64)
+ throw CoreException("The link name '"+assign(L.Name)+"' is longer than 64 characters!");
+
+ if ((!L.IPAddr.empty()) && (!L.RecvPass.empty()) && (!L.SendPass.empty()) && (!L.Name.empty()) && (L.Port))
{
- if ((!L.IPAddr.empty()) && (!L.RecvPass.empty()) && (!L.SendPass.empty()) && (!L.Name.empty()) && (L.Port))
- {
- ValidIPs.push_back(L.IPAddr);
+ if (Allow.length())
+ ValidIPs.push_back(Allow);
- if (Allow.length())
- ValidIPs.push_back(Allow);
+ ValidIPs.push_back(L.IPAddr);
- /* Needs resolving */
- bool ipvalid = true;
- QueryType start_type = DNS_QUERY_A;
+ /* Needs resolving */
+ bool ipvalid = true;
+ QueryType start_type = DNS_QUERY_A;
#ifdef IPV6
- start_type = DNS_QUERY_AAAA;
- if (strchr(L.IPAddr.c_str(),':'))
- {
- in6_addr n;
- if (inet_pton(AF_INET6, L.IPAddr.c_str(), &n) < 1)
- ipvalid = false;
- }
- else
- {
- in_addr n;
- if (inet_aton(L.IPAddr.c_str(),&n) < 1)
- ipvalid = false;
- }
-#else
+ start_type = DNS_QUERY_AAAA;
+ if (strchr(L.IPAddr.c_str(),':'))
+ {
+ in6_addr n;
+ if (inet_pton(AF_INET6, L.IPAddr.c_str(), &n) < 1)
+ ipvalid = false;
+ }
+ else
+ {
in_addr n;
if (inet_aton(L.IPAddr.c_str(),&n) < 1)
ipvalid = false;
+ }
+#else
+ in_addr n;
+ if (inet_aton(L.IPAddr.c_str(),&n) < 1)
+ ipvalid = false;
#endif
- if (!ipvalid)
- {
- try
- {
- bool cached;
- SecurityIPResolver* sr = new SecurityIPResolver((Module*)this->Creator, this, ServerInstance, L.IPAddr, L, cached, start_type);
- ServerInstance->AddResolver(sr, cached);
- }
- catch (...)
- {
- }
- }
-
- LinkBlocks.push_back(L);
- }
- else
+ if (!ipvalid)
{
- if (L.IPAddr.empty())
- {
- ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', IP address not defined!",L.Name.c_str());
- }
- else if (L.RecvPass.empty())
- {
- ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', recvpass not defined!",L.Name.c_str());
- }
- else if (L.SendPass.empty())
- {
- ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', sendpass not defined!",L.Name.c_str());
- }
- else if (L.Name.empty())
+ try
{
- ServerInstance->Log(DEFAULT,"Invalid configuration, link tag without a name!");
+ bool cached;
+ SecurityIPResolver* sr = new SecurityIPResolver((Module*)this->Creator, this, ServerInstance, L.IPAddr, L, cached, start_type);
+ ServerInstance->AddResolver(sr, cached);
}
- else if (!L.Port)
+ catch (...)
{
- ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', no port specified!",L.Name.c_str());
}
}
}
else
{
- ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', link tag has the same server name as the local server!",L.Name.c_str());
+ if (L.IPAddr.empty())
+ {
+ L.IPAddr = "*";
+ ValidIPs.push_back("*");
+ ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"Configuration warning: Link block " + assign(L.Name) + " has no IP defined! This will allow any IP to connect as this server, and MAY not be what you want.");
+ }
+
+ if (L.RecvPass.empty())
+ {
+ throw CoreException("Invalid configuration for server '"+assign(L.Name)+"', recvpass not defined!");
+ }
+
+ if (L.SendPass.empty())
+ {
+ throw CoreException("Invalid configuration for server '"+assign(L.Name)+"', sendpass not defined!");
+ }
+
+ if (L.Name.empty())
+ {
+ throw CoreException("Invalid configuration, link tag without a name! IP address: "+L.IPAddr);
+ }
+
+ if (!L.Port)
+ {
+ ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"Configuration warning: Link block " + assign(L.Name) + " has no port defined, you will not be able to /connect it.");
+ }
}
+
+ LinkBlocks.push_back(L);
}
- DELETE(Conf);
+ delete Conf;
}
void SpanningTreeUtilities::DoFailOver(Link* x)
{
if (x->FailOver == x->Name)
{
- Creator->RemoteMessage(NULL,"FAILOVER: Some muppet configured the failover for server \002%s\002 to point at itself. Not following it!", x->Name.c_str());
+ this->ServerInstance->SNO->WriteToSnoMask('l', "FAILOVER: Some muppet configured the failover for server \002%s\002 to point at itself. Not following it!", x->Name.c_str());
return;
}
Link* TryThisOne = this->FindLink(x->FailOver.c_str());
if (TryThisOne)
{
- Creator->RemoteMessage(NULL,"FAILOVER: Trying failover link for \002%s\002: \002%s\002...", x->Name.c_str(), TryThisOne->Name.c_str());
- Creator->ConnectServer(TryThisOne);
+ TreeServer* CheckDupe = this->FindServer(x->FailOver.c_str());
+ if (CheckDupe)
+ {
+ ServerInstance->Logs->Log("m_spanningtree",DEBUG,"Skipping existing failover: %s", x->FailOver.c_str());
+ }
+ else
+ {
+ this->ServerInstance->SNO->WriteToSnoMask('l', "FAILOVER: Trying failover link for \002%s\002: \002%s\002...", x->Name.c_str(), TryThisOne->Name.c_str());
+ Creator->ConnectServer(TryThisOne);
+ }
}
else
{
- Creator->RemoteMessage(NULL,"FAILOVER: Invalid failover server specified for server \002%s\002, will not follow!", x->Name.c_str());
+ this->ServerInstance->SNO->WriteToSnoMask('l', "FAILOVER: Invalid failover server specified for server \002%s\002, will not follow!", x->Name.c_str());
}
}
}
{
for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
{
- if (ServerInstance->MatchText(x->Name.c_str(), name.c_str()))
+ if (InspIRCd::Match(x->Name.c_str(), name.c_str()))
{
return &(*x);
}
}
return NULL;
}
-