-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2007 Craig Edwards <craigedwards@brainbox.cc>
*
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
*
- * ---------------------------------------------------
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef __TREESOCKET_H__
-#define __TREESOCKET_H__
+
+#ifndef M_SPANNINGTREE_TREESOCKET_H
+#define M_SPANNINGTREE_TREESOCKET_H
#include "socket.h"
#include "inspircd.h"
#include "xline.h"
-#include "../transport.h"
#include "utils.h"
-#include "handshaketimer.h"
/*
* The server list in InspIRCd is maintained as two structures
* WAIT_AUTH_2: indicates that the socket is inbound
* but has not yet sent and received
* SERVER strings.
- * CONNECTED: represents a fully authorized, fully
+ * CONNECTED: represents a fully authorized, fully
* connected server.
+ * DYING: represents a server that has had an error.
*/
-enum ServerState { CONNECTING, WAIT_AUTH_1, WAIT_AUTH_2, CONNECTED };
-
-/** Every SERVER connection inbound or outbound is represented by
- * an object of type TreeSocket.
- * TreeSockets, being inherited from BufferedSocket, can be tied into
- * the core socket engine, and we cn therefore receive activity events
- * for them, just like activex objects on speed. (yes really, that
- * is a technical term!) Each of these which relates to a locally
- * connected server is assocated with it, by hooking it onto a
- * TreeSocket class using its constructor. In this way, we can
- * maintain a list of servers, some of which are directly connected,
- * some of which are not.
- */
-class TreeSocket : public BufferedSocket
+enum ServerState { CONNECTING, WAIT_AUTH_1, WAIT_AUTH_2, CONNECTED, DYING };
+
+struct CapabData
{
- SpanningTreeUtilities* Utils; /* Utility class */
- std::string myhost; /* Canonical hostname */
- ServerState LinkState; /* Link state */
- std::string InboundServerName; /* Server name sent to us by other side */
- std::string InboundDescription; /* Server description (GECOS) sent to us by the other side */
- std::string InboundSID; /* Server ID sent to us by the other side */
- int num_lost_users; /* Users lost in split */
- int num_lost_servers; /* Servers lost in split */
- time_t NextPing; /* Time when we are due to ping this server */
- bool LastPingWasGood; /* Responded to last ping we sent? */
- std::string IP;
+ reference<Link> link; /* Link block used for this connection */
+ reference<Autoconnect> ac; /* Autoconnect used to cause this connection, if any */
std::string ModuleList; /* Required module list of other server from CAPAB */
std::string OptModuleList; /* Optional module list of other server from CAPAB */
+ std::string ChanModes;
+ std::string UserModes;
std::map<std::string,std::string> CapKeys; /* CAPAB keys from other server */
std::string ourchallenge; /* Challenge sent for challenge/response */
std::string theirchallenge; /* Challenge recv for challenge/response */
- std::string OutboundPass; /* Outbound password */
int capab_phase; /* Have sent CAPAB already */
bool auth_fingerprint; /* Did we auth using SSL fingerprint */
bool auth_challenge; /* Did we auth using challenge/response */
+
+ // Data saved from incoming SERVER command, for later use when our credentials have been accepted by the other party
+ std::string description;
+ std::string sid;
+ std::string name;
+ bool hidden;
+};
+
+/** Every SERVER connection inbound or outbound is represented by an object of
+ * type TreeSocket. During setup, the object can be found in Utils->timeoutlist;
+ * after setup, MyRoot will have been created as a child of Utils->TreeRoot
+ */
+class TreeSocket : public BufferedSocket
+{
+ SpanningTreeUtilities* Utils; /* Utility class */
+ std::string linkID; /* Description for this link */
+ ServerState LinkState; /* Link state */
+ CapabData* capab; /* Link setup data (held until burst is sent) */
+ TreeServer* MyRoot; /* The server we are talking to */
int proto_version; /* Remote protocol version */
+ bool ConnectionFailureShown; /* Set to true if a connection failure message was shown */
+
+ static const unsigned int FMODE_MAX_LENGTH = 350;
+
+ /** Checks if the given servername and sid are both free
+ */
+ bool CheckDuplicate(const std::string& servername, const std::string& sid);
+
public:
- HandshakeTimer* hstimer; /* Handshake timer, needed to work around I/O hook buffering */
- reference<Autoconnect> myautoconnect; /* Autoconnect used to cause this connection, if any */
time_t age;
/** Because most of the I/O gubbins are encapsulated within
* most of the action, and append a few of our own values
* to it.
*/
- TreeSocket(SpanningTreeUtilities* Util, std::string host, int port, unsigned long maxtime, const std::string &ServerName, const std::string &bindto, Autoconnect* myac, Module* HookMod = NULL);
+ TreeSocket(SpanningTreeUtilities* Util, Link* link, Autoconnect* myac, const std::string& ipaddr);
/** When a listening socket gives us a new file descriptor,
* we must associate it with a socket without creating a new
* connection. This constructor is used for this purpose.
*/
- TreeSocket(SpanningTreeUtilities* Util, int newfd, char* ip, Autoconnect* myac, Module* HookMod = NULL);
+ TreeSocket(SpanningTreeUtilities* Util, int newfd, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server);
/** Get link state
*/
*/
void CleanNegotiationInfo();
+ CullResult cull();
/** Destructor
*/
~TreeSocket();
- /** Generate random string used for challenge-response auth
- */
- std::string RandString(unsigned int length);
-
/** Construct a password, optionally hashed with the other side's
* challenge string
*/
/** Add modules to VF_COMMON list for backwards compatability */
void CompatAddModules(std::vector<std::string>& modlist);
- /* Check a comma seperated list for an item */
- bool HasItem(const std::string &list, const std::string &item);
-
- /* Isolate and return the elements that are different between two comma seperated lists */
- std::string ListDifference(const std::string &one, const std::string &two);
+ /* Isolate and return the elements that are different between two lists */
+ void ListDifference(const std::string &one, const std::string &two, char sep,
+ std::string& mleft, std::string& mright);
bool Capab(const parameterlist ¶ms);
* is having a REAL bad hair day, this function shouldnt be called
* too many times a month ;-)
*/
- void SquitServer(std::string &from, TreeServer* Current);
+ void SquitServer(std::string &from, TreeServer* Current, int& num_lost_servers, int& num_lost_users);
/** This is a wrapper function for SquitServer above, which
* does some validation first and passes on the SQUIT to all
*/
void Squit(TreeServer* Current, const std::string &reason);
- /** FMODE command - server mode with timestamp checks */
- bool ForceMode(const std::string &source, parameterlist ¶ms);
-
- /** FTOPIC command */
- bool ForceTopic(const std::string &source, parameterlist ¶ms);
-
- /** FJOIN, similar to TS6 SJOIN, but not quite. */
- bool ForceJoin(const std::string &source, parameterlist ¶ms);
-
/* Used on nick collision ... XXX ugly function HACK */
int DoCollision(User *u, time_t remotets, const std::string &remoteident, const std::string &remoteip, const std::string &remoteuid);
- /** UID command */
- bool ParseUID(const std::string &source, parameterlist ¶ms);
-
/** Send one or more FJOINs for a channel of users.
* If the length of a single line is more than 480-NICKMAX
* in length, it is split over multiple lines.
*/
- void SendFJoins(TreeServer* Current, Channel* c);
+ void SendFJoins(Channel* c);
/** Send G, Q, Z and E lines */
- void SendXLines(TreeServer* Current);
+ void SendXLines();
/** Send channel modes and topics */
- void SendChannelModes(TreeServer* Current);
+ void SendChannelModes();
/** send all users and their oper state/modes */
- void SendUsers(TreeServer* Current);
+ void SendUsers();
/** This function is called when we want to send a netburst to a local
* server. There is a set order we must do this, because for example
void WriteLine(std::string line);
/** Handle ERROR command */
- bool Error(parameterlist ¶ms);
-
- /** remote MOTD. leet, huh? */
- bool Motd(const std::string &prefix, parameterlist ¶ms);
-
- /** remote ADMIN. leet, huh? */
- bool Admin(const std::string &prefix, parameterlist ¶ms);
-
- /** Remote MODULES */
- bool Modules(const std::string &prefix, parameterlist ¶ms);
-
- bool Stats(const std::string &prefix, parameterlist ¶ms);
-
- /** Because the core won't let users or even SERVERS set +o,
- * we use the OPERTYPE command to do this.
- */
- bool OperType(const std::string &prefix, parameterlist ¶ms);
+ void Error(parameterlist ¶ms);
/** Remote AWAY */
bool Away(const std::string &prefix, parameterlist ¶ms);
- /** Because Andy insists that services-compatible servers must
- * implement SVSNICK and SVSJOIN, that's exactly what we do :p
- */
- bool SVSNick(const std::string &prefix, parameterlist ¶ms);
-
/** SAVE to resolve nick collisions without killing */
bool ForceNick(const std::string &prefix, parameterlist ¶ms);
- /** PRIVMSG or NOTICE with server origin ONLY
- */
- bool ServerMessage(const std::string &messagetype, const std::string &prefix, parameterlist ¶ms, const std::string &sourceserv);
-
/** ENCAP command
*/
- bool Encap(const std::string &prefix, parameterlist ¶ms);
+ void Encap(User* who, parameterlist ¶ms);
/** OPERQUIT command
*/
bool OperQuit(const std::string &prefix, parameterlist ¶ms);
- /** SVSJOIN
- */
- bool ServiceJoin(const std::string &prefix, parameterlist ¶ms);
-
- /** SVSPART
- */
- bool ServicePart(const std::string &prefix, parameterlist ¶ms);
-
- /** KILL
- */
- bool RemoteKill(const std::string &prefix, parameterlist ¶ms);
-
/** PONG
*/
bool LocalPong(const std::string &prefix, parameterlist ¶ms);
- /** METADATA
- */
- bool MetaData(const std::string &prefix, parameterlist ¶ms);
-
/** VERSION
*/
bool ServerVersion(const std::string &prefix, parameterlist ¶ms);
- /** CHGHOST
- */
- bool ChangeHost(const std::string &prefix, parameterlist ¶ms);
-
/** ADDLINE
*/
bool AddLine(const std::string &prefix, parameterlist ¶ms);
*/
bool DelLine(const std::string &prefix, parameterlist ¶ms);
- /** CHGNAME
- */
- bool ChangeName(const std::string &prefix, parameterlist ¶ms);
-
- /** FIDENT */
- bool ChangeIdent(const std::string &prefix, parameterlist ¶ms);
-
/** WHOIS
*/
bool Whois(const std::string &prefix, parameterlist ¶ms);
*/
bool Push(const std::string &prefix, parameterlist ¶ms);
- /** TIME
- */
- bool Time(const std::string &prefix, parameterlist ¶ms);
-
/** PING
*/
bool LocalPing(const std::string &prefix, parameterlist ¶ms);
- /** Remove all modes from a channel, including statusmodes (+qaovh etc), simplemodes, parameter modes.
- * This does not update the timestamp of the target channel, this must be done seperately.
- */
- bool RemoveStatus(const std::string &prefix, parameterlist ¶ms);
-
/** <- (remote) <- SERVER
*/
bool RemoteServer(const std::string &prefix, parameterlist ¶ms);
void ProcessConnectedLine(std::string& prefix, std::string& command, parameterlist& params);
- /** Get this server's name
- */
- virtual std::string GetName();
-
/** Handle socket timeout from connect()
*/
virtual void OnTimeout();
/** Handle server quit on close
*/
virtual void Close();
-};
-/* Used to validate the value lengths of multiple parameters for a command */
-struct cmd_validation
-{
- const char* item;
- size_t param;
- size_t length;
-};
-
-/* Used to validate the length values in CAPAB CAPABILITIES */
-struct cap_validation
-{
- const char* reason;
- const char* key;
- size_t size;
+ /** Returns true if this server was introduced to the rest of the network
+ */
+ bool Introduced();
};
#endif