diff options
Diffstat (limited to 'src/modules/m_spanningtree/treesocket.h')
| -rw-r--r-- | src/modules/m_spanningtree/treesocket.h | 169 |
1 files changed, 72 insertions, 97 deletions
diff --git a/src/modules/m_spanningtree/treesocket.h b/src/modules/m_spanningtree/treesocket.h index abda28335..6dc584537 100644 --- a/src/modules/m_spanningtree/treesocket.h +++ b/src/modules/m_spanningtree/treesocket.h @@ -20,12 +20,9 @@ */ -#ifndef M_SPANNINGTREE_TREESOCKET_H -#define M_SPANNINGTREE_TREESOCKET_H +#pragma once -#include "socket.h" #include "inspircd.h" -#include "xline.h" #include "utils.h" @@ -76,7 +73,7 @@ struct CapabData std::string ourchallenge; /* Challenge sent for challenge/response */ std::string theirchallenge; /* Challenge recv for challenge/response */ int capab_phase; /* Have sent CAPAB already */ - bool auth_fingerprint; /* Did we auth using SSL fingerprint */ + bool auth_fingerprint; /* Did we auth using SSL certificate 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 @@ -92,33 +89,88 @@ struct CapabData */ class TreeSocket : public BufferedSocket { - SpanningTreeUtilities* Utils; /* Utility class */ + struct BurstState; + 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 */ + + /** True if we've sent our burst. + * This only changes the behavior of message translation for 1202 protocol servers and it can be + * removed once 1202 support is dropped. + */ + bool burstsent; /** Checks if the given servername and sid are both free */ bool CheckDuplicate(const std::string& servername, const std::string& sid); + /** Send all ListModeBase modes set on the channel + */ + void SendListModes(Channel* chan); + + /** Send all known information about a channel */ + void SyncChannel(Channel* chan, BurstState& bs); + + /** Send all users and their oper state, away state and metadata */ + void SendUsers(BurstState& bs); + + /** Send all additional info about the given server to this server */ + void SendServerInfo(TreeServer* from); + + /** Find the User source of a command given a prefix and a command string. + * This connection must be fully up when calling this function. + * @param prefix Prefix string to find the source User object for. Can be a sid, a uuid or a server name. + * @param command The command whose source to find. This is required because certain commands (like mode + * changes and kills) must be processed even if their claimed source doesn't exist. If the given command is + * such a command and the source does not exist, the function returns a valid FakeUser that can be used to + * to process the command with. + * @return The command source to use when processing the command or NULL if the source wasn't found. + * Note that the direction of the returned source is not verified. + */ + User* FindSource(const std::string& prefix, const std::string& command); + + /** Finish the authentication phase of this connection. + * Change the state of the connection to CONNECTED, create a TreeServer object for the server on the + * other end of the connection using the details provided in the parameters, and finally send a burst. + * @param remotename Name of the remote server + * @param remotesid SID of the remote server + * @param remotedesc Description of the remote server + * @param hidden True if the remote server is hidden according to the configuration + */ + void FinishAuth(const std::string& remotename, const std::string& remotesid, const std::string& remotedesc, bool hidden); + + /** Authenticate the remote server. + * Validate the parameters and find the link block that matches the remote server. In case of an error, + * an appropriate snotice is generated, an ERROR message is sent and the connection is closed. + * Failing to find a matching link block counts as an error. + * @param params Parameters they sent in the SERVER command + * @return Link block for the remote server, or NULL if an error occurred + */ + Link* AuthRemote(const parameterlist& params); + + /** Write a line on this socket with a new line character appended, skipping all translation for old protocols + * @param line Line to write without a new line character at the end + */ + void WriteLineNoCompat(const std::string& line); + public: - time_t age; + const time_t age; /** Because most of the I/O gubbins are encapsulated within * BufferedSocket, we just call the superclass constructor for * most of the action, and append a few of our own values * to it. */ - TreeSocket(SpanningTreeUtilities* Util, Link* link, Autoconnect* myac, const std::string& ipaddr); + TreeSocket(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, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server); + TreeSocket(int newfd, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server); /** Get link state */ @@ -164,11 +216,11 @@ class TreeSocket : public BufferedSocket * to server docs on the inspircd.org site, the other side * will then send back its own server string. */ - virtual void OnConnected(); + void OnConnected(); /** Handle socket error event */ - virtual void OnError(BufferedSocketError e); + void OnError(BufferedSocketError e) CXX11_OVERRIDE; /** Sends an error to the remote server, and displays it locally to show * that it was sent. @@ -178,13 +230,8 @@ class TreeSocket : public BufferedSocket /** Recursively send the server tree with distances as hops. * This is used during network burst to inform the other server * (and any of ITS servers too) of what servers we know about. - * If at any point any of these servers already exist on the other - * end, our connection may be terminated. The hopcounts given - * by this function are relative, this doesn't matter so long as - * they are all >1, as all the remote servers re-calculate them - * to be relative too, with themselves as hop 0. */ - void SendServers(TreeServer* Current, TreeServer* s, int hops); + void SendServers(TreeServer* Current, TreeServer* s); /** Returns module list as a string, filtered by filter * @param filter a module version bitmask, such as VF_COMMON or VF_OPTCOMMON @@ -195,32 +242,12 @@ class TreeSocket : public BufferedSocket */ void SendCapabilities(int phase); - /** Add modules to VF_COMMON list for backwards compatability */ - void CompatAddModules(std::vector<std::string>& modlist); - /* 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); - /** This function forces this server to quit, removing this server - * and any users on it (and servers and users below that, etc etc). - * It's very slow and pretty clunky, but luckily unless your network - * is having a REAL bad hair day, this function shouldnt be called - * too many times a month ;-) - */ - 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 - * other remaining servers. - */ - void Squit(TreeServer* Current, const std::string &reason); - - /* 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); - /** 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. @@ -230,11 +257,8 @@ class TreeSocket : public BufferedSocket /** Send G, Q, Z and E lines */ void SendXLines(); - /** Send channel modes and topics */ - void SendChannelModes(); - - /** send all users and their oper state/modes */ - void SendUsers(); + /** Send all known information about a channel */ + void SyncChannel(Channel* chan); /** 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 @@ -250,57 +274,11 @@ class TreeSocket : public BufferedSocket /** Send one or more complete lines down the socket */ - void WriteLine(std::string line); + void WriteLine(const std::string& line); /** Handle ERROR command */ void Error(parameterlist ¶ms); - /** Remote AWAY */ - bool Away(const std::string &prefix, parameterlist ¶ms); - - /** SAVE to resolve nick collisions without killing */ - bool ForceNick(const std::string &prefix, parameterlist ¶ms); - - /** ENCAP command - */ - void Encap(User* who, parameterlist ¶ms); - - /** OPERQUIT command - */ - bool OperQuit(const std::string &prefix, parameterlist ¶ms); - - /** PONG - */ - bool LocalPong(const std::string &prefix, parameterlist ¶ms); - - /** VERSION - */ - bool ServerVersion(const std::string &prefix, parameterlist ¶ms); - - /** ADDLINE - */ - bool AddLine(const std::string &prefix, parameterlist ¶ms); - - /** DELLINE - */ - bool DelLine(const std::string &prefix, parameterlist ¶ms); - - /** WHOIS - */ - bool Whois(const std::string &prefix, parameterlist ¶ms); - - /** PUSH - */ - bool Push(const std::string &prefix, parameterlist ¶ms); - - /** PING - */ - bool LocalPing(const std::string &prefix, parameterlist ¶ms); - - /** <- (remote) <- SERVER - */ - bool RemoteServer(const std::string &prefix, parameterlist ¶ms); - /** (local) -> SERVER */ bool Outbound_Reply_Server(parameterlist ¶ms); @@ -321,15 +299,12 @@ class TreeSocket : public BufferedSocket /** Handle socket timeout from connect() */ - virtual void OnTimeout(); + void OnTimeout(); /** Handle server quit on close */ - virtual void Close(); + void Close(); - /** Returns true if this server was introduced to the rest of the network + /** Fixes messages coming from old servers so the new command handlers understand them */ - bool Introduced(); + bool PreProcessOldProtocolMessage(User*& who, std::string& cmd, std::vector<std::string>& params); }; - -#endif - |