* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2008 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 "../transport.h"
#include "socketengine.h"
-#include "m_spanningtree/main.h"
-#include "m_spanningtree/utils.h"
-#include "m_spanningtree/treeserver.h"
-#include "m_spanningtree/link.h"
-#include "m_spanningtree/treesocket.h"
-#include "m_spanningtree/resolvers.h"
-#include "m_spanningtree/handshaketimer.h"
+#include "main.h"
+#include "utils.h"
+#include "treeserver.h"
+#include "link.h"
+#include "treesocket.h"
+#include "resolvers.h"
+#include "handshaketimer.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 */
-
-static std::map<std::string, std::string> warned; /* Server names that have had protocol violation warnings displayed for them */
+/* $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 m_spanningtree/handshaketimer.h */
void TreeSocket::WriteLine(std::string line)
{
- Instance->Logs->Log("m_spanningtree",DEBUG, "S[%d] O %s", this->GetFd(), line.c_str());
+ ServerInstance->Logs->Log("m_spanningtree",DEBUG, "S[%d] O %s", this->GetFd(), line.c_str());
line.append("\r\n");
this->Write(line);
}
/* Handle ERROR command */
-bool TreeSocket::Error(std::deque<std::string> ¶ms)
+bool TreeSocket::Error(parameterlist ¶ms)
{
if (params.size() < 1)
return false;
- this->Instance->SNO->WriteToSnoMask('l',"ERROR from %s: %s",(!InboundServerName.empty() ? InboundServerName.c_str() : myhost.c_str()),params[0].c_str());
+ this->ServerInstance->SNO->WriteToSnoMask('l',"ERROR from %s: %s",(!InboundServerName.empty() ? InboundServerName.c_str() : myhost.c_str()),params[0].c_str());
/* we will return false to cause the socket to close. */
return false;
}
-void TreeSocket::Split(const std::string &line, std::deque<std::string> &n)
+void TreeSocket::Split(const std::string &line, parameterlist &n)
{
n.clear();
irc::tokenstream tokens(line);
bool TreeSocket::ProcessLine(std::string &line)
{
- std::deque<std::string> params;
+ parameterlist params;
irc::string command;
std::string prefix;
if (line.empty())
return true;
- Instance->Logs->Log("m_spanningtree",DEBUG, "S[%d] I %s", this->GetFd(), line.c_str());
+ ServerInstance->Logs->Log("m_spanningtree",DEBUG, "S[%d] I %s", this->GetFd(), line.c_str());
this->Split(line.c_str(),params);
-
+
if (params.empty())
return true;
-
+
if ((params[0][0] == ':') && (params.size() > 1))
{
prefix = params[0].substr(1);
- params.pop_front();
-
+
if (prefix.empty())
{
- this->SendError("BUG (?) Empty prefix recieved.");
+ this->SendError("BUG (?) Empty prefix recieved: " + line);
return false;
}
+ command = params[1].c_str();
+ params.erase(params.begin(), params.begin() + 2);
+ }
+ else
+ {
+ command = params[0].c_str();
+ params.erase(params.begin());
}
-
- command = params[0].c_str();
- params.pop_front();
switch (this->LinkState)
{
if (params.size())
{
time_t them = atoi(params[0].c_str());
- time_t delta = them - Instance->Time();
+ time_t delta = them - ServerInstance->Time();
if ((delta < -600) || (delta > 600))
{
- Instance->SNO->WriteToSnoMask('l',"\2ERROR\2: Your clocks are out by %d seconds (this is more than five minutes). Link aborted, \2PLEASE SYNC YOUR CLOCKS!\2",abs(delta));
- SendError("Your clocks are out by "+ConvToStr(abs(delta))+" seconds (this is more than five minutes). Link aborted, PLEASE SYNC YOUR CLOCKS!");
+ ServerInstance->SNO->WriteToSnoMask('l',"\2ERROR\2: Your clocks are out by %d seconds (this is more than five minutes). Link aborted, \2PLEASE SYNC YOUR CLOCKS!\2",abs((long)delta));
+ SendError("Your clocks are out by "+ConvToStr(abs((long)delta))+" seconds (this is more than five minutes). Link aborted, PLEASE SYNC YOUR CLOCKS!");
return false;
}
else if ((delta < -30) || (delta > 30))
{
- Instance->SNO->WriteToSnoMask('l',"\2WARNING\2: Your clocks are out by %d seconds. Please consider synching your clocks.", abs(delta));
+ ServerInstance->SNO->WriteToSnoMask('l',"\2WARNING\2: Your clocks are out by %d seconds. Please consider synching your clocks.", abs((long)delta));
}
}
this->LinkState = CONNECTED;
- Link* lnk = Utils->FindLink(InboundServerName);
- Node = new TreeServer(this->Utils, this->Instance, InboundServerName, InboundDescription, InboundSID, Utils->TreeRoot, this, lnk ? lnk->Hidden : false);
+ Utils->timeoutlist.erase(this);
- if (Node->DuplicateID())
- {
- this->SendError("Server ID "+InboundSID+" already exists on the network!");
- this->Instance->SNO->WriteToSnoMask('l',"Server \2"+InboundServerName+"\2 being introduced from \2" + prefix + "\2 denied, server ID already exists on the network. Closing link.");
- return false;
- }
+ Link* lnk = Utils->FindLink(InboundServerName);
+
+ Node = new TreeServer(this->Utils, this->ServerInstance, InboundServerName, InboundDescription, InboundSID, Utils->TreeRoot, this, lnk ? lnk->Hidden : false);
Utils->TreeRoot->AddChild(Node);
- params.clear();
- params.push_back(InboundServerName);
- params.push_back("*");
- params.push_back("1");
- params.push_back(InboundSID);
- params.push_back(":"+InboundDescription);
- Utils->DoOneToAllButSender(Instance->Config->GetSID(),"SERVER",params,InboundServerName);
+ parameterlist sparams;
+ sparams.push_back(InboundServerName);
+ sparams.push_back("*");
+ sparams.push_back("1");
+ sparams.push_back(InboundSID);
+ sparams.push_back(":"+InboundDescription);
+ Utils->DoOneToAllButSender(ServerInstance->Config->GetSID(),"SERVER",sparams,InboundServerName);
+ Utils->DoOneToAllButSenderRaw(line, InboundServerName, prefix, command, params);
Node->bursting = true;
this->DoBurst(Node);
}
}
break;
- case LISTENER:
- /*
- * This really shouldn't happen.
- */
- this->SendError("Internal error -- listening socket accepted its own descriptor!!!");
- return false;
- break;
case CONNECTING:
/*
* State CONNECTING:
* When would this be seen?
* Well, hopefully never. It could be caused by race conditions, bugs, or
* "miscreant" servers, though, so let's check anyway. -- w
+ *
+ * We also check here for totally invalid prefixes (prefixes that are neither
+ * a valid SID or a valid UUID, so that invalid UUID or SID never makes it
+ * to the higher level functions. -- B
*/
std::string direction = prefix;
- User *t = this->Instance->FindUUID(prefix);
+ User *t = this->ServerInstance->FindUUID(prefix);
if (t)
{
+ /* Find UID */
direction = t->server;
}
+ else if (!this->Utils->FindServer(direction))
+ {
+ /* Find SID */
+ ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"Protocol violation: Invalid prefix '%s' from connection '%s'", direction.c_str(), this->GetName().c_str());
+ return true;
+ }
TreeServer* route_back_again = Utils->BestRouteTo(direction);
if ((!route_back_again) || (route_back_again->GetSocket() != this))
{
if (route_back_again)
- Instance->Logs->Log("m_spanningtree",DEBUG,"Protocol violation: Fake direction in command '%s' from connection '%s'",line.c_str(),this->GetName().c_str());
+ ServerInstance->Logs->Log("m_spanningtree",DEBUG,"Protocol violation: Fake direction in command '%s' from connection '%s'",line.c_str(),this->GetName().c_str());
return true;
}
- /* Fix by brain:
- * When there is activity on the socket, reset the ping counter so
- * that we're not wasting bandwidth pinging an active server.
- */
- route_back_again->SetNextPingTime(Instance->Time() + Utils->PingFreq);
- route_back_again->SetPingFlag();
}
else
{
* First up, check for any malformed commands (e.g. MODE without a timestamp)
* and rewrite commands where necessary (SVSMODE -> MODE for services). -- w
*/
- if (command == "MODE")
- {
- if (params.size() >= 2)
- {
- Channel* channel = Instance->FindChan(params[0]);
- if (channel)
- {
- User* x = Instance->FindNick(prefix);
- if (x)
- {
- if (warned.find(x->server) == warned.end())
- {
- Instance->Logs->Log("m_spanningtree",DEFAULT,"WARNING: I revceived modes '%s' from another server '%s'. This is not compliant with InspIRCd. Please check that server for bugs.", params[1].c_str(), x->server);
- Instance->SNO->WriteToSnoMask('d', "WARNING: The server %s is sending nonstandard modes: '%s MODE %s' where FMODE should be used, and may cause desyncs.", x->server, x->nick, params[1].c_str());
- warned[x->server] = x->nick;
- }
- }
- }
- }
- }
- else if (command == "SVSMODE")
- {
+ if (command == "SVSMODE") // This isn't in an "else if" so we still force FMODE for changes on channels.
command = "MODE";
- }
-
/*
* Now, check for (and parse) commands as appropriate. -- w
- */
-
+ */
+
/* Find the server that this command originated from, used in the handlers below */
TreeServer *ServerSource = Utils->FindServer(prefix);
+ if (ServerSource)
+ {
+ Utils->ServerUser->SetFakeServer(ServerSource->GetName());
+ Utils->ServerUser->uuid = ServerSource->GetID();
+ }
/* Find the link we just got this from so we don't bounce it back incorrectly */
std::string sourceserv = this->myhost;
{
return this->Admin(prefix, params);
}
+ else if (command == "MAP")
+ {
+ User* user = ServerInstance->FindNick(prefix);
+ if (user)
+ {
+ std::vector<std::string> p(params.begin(), params.end());
+ return Utils->Creator->HandleMap(p, user);
+ }
+ }
else if (command == "SERVER")
{
return this->RemoteServer(prefix,params);
{
return this->ForceTopic(prefix,params);
}
- else if (command == "REHASH")
- {
- return this->RemoteRehash(prefix,params);
- }
else if (command == "METADATA")
{
return this->MetaData(prefix,params);
}
else if (command == "PONG")
{
+ TreeServer *s = Utils->FindServer(prefix);
+ if (s && s->bursting)
+ {
+ ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not finished burst, forcing end of burst (send ENDBURST!)", prefix.c_str());
+ s->FinishBurst();
+ }
return this->LocalPong(prefix,params);
}
else if (command == "VERSION")
{
return this->Time(prefix,params);
}
- else if ((command == "KICK") && (Utils->IsServer(prefix)))
- {
- if (params.size() == 3)
- {
- User* user = this->Instance->FindNick(params[1]);
- Channel* chan = this->Instance->FindChan(params[0]);
- if (user && chan)
- {
- if (!chan->ServerKickUser(user, params[2].c_str(), false))
- /* Yikes, the channels gone! */
- delete chan;
- }
- }
-
- return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
- }
else if (command == "SVSJOIN")
{
return this->ServiceJoin(prefix,params);
}
return true;
}
- else if (command == "OPERNOTICE")
- {
- if (params.size() >= 1)
- Instance->SNO->WriteToSnoMask('A', "From " + prefix + ": " + params[0]);
- return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
- }
else if (command == "MODENOTICE")
{
if (params.size() >= 2)
{
- Instance->Users->WriteMode(params[0].c_str(), WM_AND, "*** From %s: %s", prefix.c_str(), params[1].c_str());
+ if (ServerSource)
+ ServerInstance->Users->WriteMode(params[0].c_str(), WM_AND, "*** From %s: %s", (ServerSource ? ServerSource->GetName().c_str() : prefix.c_str()), params[1].c_str());
}
return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
}
{
if (params.size() >= 2)
{
- Instance->SNO->WriteToSnoMask(*(params[0].c_str()), "From " + prefix + ": "+ params[1]);
+ std::string oldprefix;
+ if (!ServerSource)
+ {
+ oldprefix = prefix;
+ User *u = ServerInstance->FindNick(prefix);
+ if (!u)
+ return true;
+ prefix = u->nick;
+ }
+
+ ServerInstance->SNO->WriteToSnoMask(*(params[0].c_str()), "From " + (ServerSource ? ServerSource->GetName().c_str() : prefix) + ": "+ params[1]);
+ prefix = oldprefix;
+ return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
}
- return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
+
}
else if (command == "BURST")
{
// Set prefix server as bursting
if (!ServerSource)
{
- this->Instance->SNO->WriteToSnoMask('l', "WTF: Got BURST from a nonexistant server(?): %s", prefix.c_str());
+ this->ServerInstance->SNO->WriteToSnoMask('l', "WTF: Got BURST from a nonexistant server(?): %s", (ServerSource ? ServerSource->GetName().c_str() : prefix.c_str()));
return false;
}
-
+
ServerSource->bursting = true;
return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
}
{
if (!ServerSource)
{
- this->Instance->SNO->WriteToSnoMask('l', "WTF: Got ENDBURST from a nonexistant server(?): %s", prefix.c_str());
+ this->ServerInstance->SNO->WriteToSnoMask('l', "WTF: Got ENDBURST from a nonexistant server(?): %s", (ServerSource ? ServerSource->GetName().c_str() : prefix.c_str()));
return false;
}
-
+
ServerSource->FinishBurst();
return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
}
else if (command == "ENCAP")
{
- ServerSource->FinishBurst();
return this->Encap(prefix, params);
}
- else if (command == "MODE")
- {
- // Server-prefix MODE.
- const char* modelist[MAXPARAMETERS];
- for (size_t i = 0; i < params.size(); i++)
- modelist[i] = params[i].c_str();
-
- /* We don't support this for channel mode changes any more! */
- if (params.size() >= 1)
- {
- if (Instance->FindChan(params[1]))
- {
- this->SendError("Protocol violation by '"+prefix+"'! MODE for channel mode changes is not supported by the InspIRCd 1.2 protocol. You must use FMODE to preserve channel timestamps.");
- return false;
- }
- }
-
- // Insert into the parser
- this->Instance->SendMode(modelist, params.size(), this->Instance->FakeClient);
-
- // Pass out to the network
- return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
- }
else
{
/*
* Not a special s2s command. Emulate the user doing it.
* This saves us having a huge ugly command parser again.
*/
- User *who = this->Instance->FindUUID(prefix);
+ User* who = this->ServerInstance->FindUUID(prefix);
- if (!who)
+ if (ServerSource)
{
- // this looks ugly because command is an irc::string
- this->SendError("Command (" + std::string(command.c_str()) + ") from unknown prefix (" + prefix + ")! Dropping link.");
- return false;
+ who = Utils->ServerUser;
+ }
+ else if (!who)
+ {
+ /* this looks ugly because command is an irc::string
+ * It is important that we dont close the link here, unknown prefix can occur
+ * due to various race conditions such as the KILL message for a user somehow
+ * crossing the users QUIT further upstream from the server. Thanks jilles!
+ */
+ ServerInstance->Logs->Log("m_spanningtree", DEBUG, "Command " + std::string(command.c_str()) + " from unknown prefix " + prefix + "! Dropping entire command.");
+ return true;
}
if (command == "NICK")
* On nick messages, check that the nick doesnt already exist here.
* If it does, perform collision logic.
*/
- User* x = this->Instance->FindNickOnly(params[0]);
+ User* x = this->ServerInstance->FindNickOnly(params[0]);
if ((x) && (x != who))
{
int collideret = 0;
if (collideret != 1)
{
/*
- * Remote client lost, or both lost, parsing this nickchange would be
- * pointless, as the incoming client's server will soon recieve SVSNICK to
- * change its nick to its UID. :) -- w00t
+ * Remote client lost, or both lost, parsing or passing on this
+ * nickchange would be pointless, as the incoming client's server will
+ * soon recieve SVSNICK to change its nick to its UID. :) -- w00t
*/
return true;
}
}
}
-
- // its a user
- const char* strparams[127];
- for (unsigned int q = 0; q < params.size(); q++)
- {
- strparams[q] = params[q].c_str();
- }
- switch (this->Instance->CallCommandHandler(command.c_str(), strparams, params.size(), who))
+ // it's a user
+ std::vector<std::string> strparams(params.begin(), params.end());
+
+ switch (this->ServerInstance->CallCommandHandler(command.c_str(), strparams, who))
{
case CMD_INVALID:
- // command is irc::string, hence ugliness
+ /*
+ * XXX: command is irc::string, hence ugliness
+ */
this->SendError("Unrecognised or malformed command '" + std::string(command.c_str()) + "' -- possibly loaded mismatched modules");
return false;
break;
- /*
- * CMD_LOCALONLY is aliased to CMD_FAILURE, so this won't go out onto the network.
- */
case CMD_FAILURE:
+ /*
+ * CMD_LOCALONLY is aliased to CMD_FAILURE, so this won't go out onto the network.
+ */
return true;
break;
default:
- /* CMD_SUCCESS and CMD_USER_DELETED fall through here */
+ /* CMD_SUCCESS falls through here */
break;
}
{
if (this->LinkState == CONNECTING)
{
- Utils->Creator->RemoteMessage(NULL, "CONNECT: Connection to \002%s\002 timed out.", myhost.c_str());
+ this->ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Connection to \002%s\002 timed out.", myhost.c_str());
Link* MyLink = Utils->FindLink(myhost);
if (MyLink)
Utils->DoFailOver(MyLink);
if (!quitserver.empty())
{
- Utils->Creator->RemoteMessage(NULL,"Connection to '\2%s\2' failed.",quitserver.c_str());
- time_t server_uptime = Instance->Time() - this->age;
- if (server_uptime)
- Utils->Creator->RemoteMessage(NULL,"Connection to '\2%s\2' was established for %s", quitserver.c_str(), Utils->Creator->TimeToStr(server_uptime).c_str());
- }
-}
-
-int TreeSocket::OnIncomingConnection(int newsock, char* ip)
-{
- /* To prevent anyone from attempting to flood opers/DDoS by connecting to the server port,
- * or discovering if this port is the server port, we don't allow connections from any
- * IPs for which we don't have a link block.
- */
- bool found = false;
-
- 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 (irc::sockets::MatchCIDR(ip, (*i).c_str()))
- found = true;
+ this->ServerInstance->SNO->WriteToSnoMask('l', "Connection to '\2%s\2' failed.",quitserver.c_str());
- if (!found)
- {
- Utils->Creator->RemoteMessage(NULL,"Server connection from %s denied (no link blocks with that IP address)", ip);
- Instance->SE->Close(newsock);
- return false;
- }
+ time_t server_uptime = ServerInstance->Time() - this->age;
+ if (server_uptime)
+ this->ServerInstance->SNO->WriteToSnoMask('l', "Connection to '\2%s\2' was established for %s", quitserver.c_str(), Utils->Creator->TimeToStr(server_uptime).c_str());
}
-
- TreeSocket* s = new TreeSocket(this->Utils, this->Instance, newsock, ip, this->Hook);
- s = s; /* Whinge whinge whinge, thats all GCC ever does. */
- return true;
}
projects / user / henk / code / inspircd.git / blobdiff