X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fusers.h;h=fa9d97c215f664403ec7e969f6242253c12557eb;hb=d736eba00b274c87662bd73a3acf8288135643d6;hp=6b891d7da335cfb0c51c95dc167265c8638e4e03;hpb=8e34d66ef3bef802e5758ad73ff29e1b75aaba7f;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/users.h b/include/users.h index 6b891d7da..fa9d97c21 100644 --- a/include/users.h +++ b/include/users.h @@ -1,23 +1,33 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2010 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2007-2008 Robin Burchell + * Copyright (C) 2008 Thomas Stagner + * Copyright (C) 2003-2007 Craig Edwards + * Copyright (C) 2007 Burlex + * Copyright (C) 2007 Dennis Friis * - * This program is free but copyrighted software; see - * the file COPYING for details. + * 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 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 . */ -#ifndef __USERS_H__ -#define __USERS_H__ + +#pragma once #include "socket.h" #include "inspsocket.h" -#include "dns.h" #include "mode.h" +#include "membership.h" /** connect class types */ @@ -30,25 +40,12 @@ enum ClassTypes { CC_NAMED = 2 }; -/** RFC1459 channel modes - */ -enum UserModes { - /** +s: Server notice mask */ - UM_SNOMASK = 's' - 65, - /** +w: WALLOPS */ - UM_WALLOPS = 'w' - 65, - /** +i: Invisible */ - UM_INVISIBLE = 'i' - 65, - /** +o: Operator */ - UM_OPERATOR = 'o' - 65 -}; - /** Registration state of a user, e.g. * have they sent USER, NICK, PASS yet? */ enum RegistrationState { -#ifndef WIN32 // Burlex: This is already defined in win32, luckily it is still 0. +#ifndef _WIN32 // Burlex: This is already defined in win32, luckily it is still 0. REG_NONE = 0, /* Has sent nothing */ #endif @@ -121,6 +118,10 @@ struct CoreExport ConnectClass : public refcountbase */ unsigned long maxglobal; + /** True if max connections for this class is hit and a warning is wanted + */ + bool maxconnwarn; + /** Max channels for this class */ unsigned int maxchans; @@ -130,6 +131,10 @@ struct CoreExport ConnectClass : public refcountbase */ unsigned long limit; + /** If set to true, no user DNS lookups are to be performed + */ + bool resolvehostnames; + /** Create a new connect class with no settings. */ ConnectClass(ConfigTag* tag, char type, const std::string& mask); @@ -234,6 +239,14 @@ class CoreExport User : public Extensible */ std::string cachedip; + /** The user's mode list. + * Much love to the STL for giving us an easy to use bitset, saving us RAM. + * if (modes[modeletter-65]) is set, then the mode is + * set, for example, to work out if mode +s is set, we check the field + * User::modes['s'-65] != 0. + */ + std::bitset<64> modes; + public: /** Hostname of connection. @@ -251,10 +264,6 @@ class CoreExport User : public Extensible */ time_t signon; - /** Time that the connection last sent a message, used to calculate idle time - */ - time_t idle_lastmsg; - /** Client address that the user is connected from. * Do not modify this value directly, use SetClientIP() to change it. * Port is not valid for remote users. @@ -286,18 +295,6 @@ class CoreExport User : public Extensible */ std::string fullname; - /** The user's mode list. - * NOT a null terminated string. - * Also NOT an array. - * Much love to the STL for giving us an easy to use bitset, saving us RAM. - * if (modes[modeletter-65]) is set, then the mode is - * set, for example, to work out if mode +s is set, we check the field - * User::modes['s'-65] != 0. - * The following RFC characters o, w, s, i have constants defined via an - * enum, such as UM_SERVERNOTICE and UM_OPETATOR. - */ - std::bitset<64> modes; - /** What snomasks are set on this user. * This functions the same as the above modes. */ @@ -317,7 +314,7 @@ class CoreExport User : public Extensible std::string awaymsg; /** Time the user last went away. - * This is ONLY RELIABLE if user IS_AWAY()! + * This is ONLY RELIABLE if user IsAway()! */ time_t awaytime; @@ -331,16 +328,6 @@ class CoreExport User : public Extensible */ unsigned int registered:3; - /** True when DNS lookups are completed. - * The UserResolver classes res_forward and res_reverse will - * set this value once they complete. - */ - unsigned int dns_done:1; - - /** Whether or not to send an snotice about this user's quitting - */ - unsigned int quietquit:1; - /** If this is set to true, then all socket operations for the user * are dropped into the bit-bucket. * This value is set by QuitUser, and is not needed seperately from that call. @@ -348,21 +335,13 @@ class CoreExport User : public Extensible */ unsigned int quitting:1; - /** This is true if the user matched an exception (E:Line). It is used to save time on ban checks. - */ - unsigned int exempt:1; - - /** has the user responded to their previous ping? - */ - unsigned int lastping:1; - /** What type of user is this? */ const unsigned int usertype:2; /** Get client IP string from sockaddr, using static internal buffer * @return The IP string */ - const char* GetIPString(); + const std::string& GetIPString(); /** Get CIDR mask, using default range, for this user */ @@ -371,29 +350,25 @@ class CoreExport User : public Extensible /** Sets the client IP for this user * @return true if the conversion was successful */ - bool SetClientIP(const char* sip); + virtual bool SetClientIP(const char* sip, bool recheck_eline = true); + + virtual void SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline = true); /** Constructor * @throw CoreException if the UID allocated to the user already exists */ User(const std::string &uid, const std::string& srv, int objtype); - /** Check if the user matches a G or K line, and disconnect them if they do. - * @param doZline True if ZLines should be checked (if IP has changed since initial connect) - * Returns true if the user matched a ban, false else. - */ - bool CheckLines(bool doZline = false); - /** Returns the full displayed host of the user * This member function returns the hostname of the user as seen by other users - * on the server, in nick!ident&at;host form. + * on the server, in nick!ident\@host form. * @return The full masked host of the user */ virtual const std::string& GetFullHost(); /** Returns the full real host of the user * This member function returns the hostname of the user as seen by other users - * on the server, in nick!ident&at;host form. If any form of hostname cloaking is in operation, + * on the server, in nick!ident\@host form. If any form of hostname cloaking is in operation, * e.g. through a module, then this method will ignore it and return the true hostname. * @return The full real host of the user */ @@ -404,18 +379,17 @@ class CoreExport User : public Extensible */ void InvalidateCache(); - /** Create a displayable mode string for this users snomasks - * @return The notice mask character sequence + /** Returns whether this user is currently away or not. If true, + * further information can be found in User::awaymsg and User::awaytime + * @return True if the user is away, false otherwise */ - const char* FormatNoticeMasks(); + bool IsAway() const { return (!awaymsg.empty()); } - /** Process a snomask modifier string, e.g. +abc-de - * @param sm A sequence of notice mask characters - * @return The cleaned mode sequence which can be output, - * e.g. in the above example if masks c and e are not - * valid, this function will return +ab-d + /** Returns whether this user is an oper or not. If true, + * oper information can be obtained from User::oper + * @return True if the user is an oper, false otherwise */ - std::string ProcessNoticeMasks(const char *sm); + bool IsOper() const { return oper; } /** Returns true if a notice mask is set * @param sm A notice mask character to check @@ -423,14 +397,8 @@ class CoreExport User : public Extensible */ bool IsNoticeMaskSet(unsigned char sm); - /** Changed a specific notice mask value - * @param sm The server notice mask to change - * @param value An on/off value for this mask - */ - void SetNoticeMask(unsigned char sm, bool value); - /** Create a displayable mode string for this users umodes - * @param The mode string + * @param showparameters The mode string */ const char* FormatModes(bool showparameters = false); @@ -439,12 +407,16 @@ class CoreExport User : public Extensible * @return True if the mode is set */ bool IsModeSet(unsigned char m); + bool IsModeSet(ModeHandler* mh); + bool IsModeSet(ModeHandler& mh) { return IsModeSet(&mh); } + bool IsModeSet(UserModeReference& moderef); /** Set a specific usermode to on or off * @param m The user mode * @param value On or off setting of the mode */ - void SetMode(unsigned char m, bool value); + void SetMode(ModeHandler* mh, bool value); + void SetMode(ModeHandler& mh, bool value) { SetMode(&mh, value); } /** Returns true or false for if a user can execute a privilaged oper command. * This is done by looking up their oper type from User::oper, then referencing @@ -473,28 +445,18 @@ class CoreExport User : public Extensible */ virtual bool HasModePermission(unsigned char mode, ModeType type); - /** Creates a wildcard host. - * Takes a buffer to use and fills the given buffer with the host in the format *!*@hostname - * @return The wildcarded hostname in *!*@host form - */ - char* MakeWildHost(); - /** Creates a usermask with real host. - * Takes a buffer to use and fills the given buffer with the hostmask in the format user@host - * @return the usermask in the format user@host + * Takes a buffer to use and fills the given buffer with the hostmask in the format user\@host + * @return the usermask in the format user\@host */ const std::string& MakeHost(); /** Creates a usermask with real ip. - * Takes a buffer to use and fills the given buffer with the ipmask in the format user@ip - * @return the usermask in the format user@ip + * Takes a buffer to use and fills the given buffer with the ipmask in the format user\@ip + * @return the usermask in the format user\@ip */ const std::string& MakeHostIP(); - /** Add the user to WHOWAS system - */ - void AddToWhoWas(); - /** Oper up the user using the given opertype. * This will also give the +o usermode. */ @@ -507,7 +469,7 @@ class CoreExport User : public Extensible * @param newnick The nickname to change to * @return True if the nickchange was successful. */ - inline bool ForceNickChange(const char* newnick) { return ChangeNick(newnick, true); } + bool ForceNickChange(const std::string& newnick) { return ChangeNick(newnick, true); } /** Oper down. * This will clear the +o usermode and unset the user's oper type @@ -539,38 +501,44 @@ class CoreExport User : public Extensible */ void WriteServ(const char* text, ...) CUSTOM_PRINTF(2, 3); + /** Sends a server notice to this user. + * @param text The contents of the message to send. + */ + void WriteNotice(const std::string& text); + void WriteNumeric(unsigned int numeric, const char* text, ...) CUSTOM_PRINTF(3, 4); void WriteNumeric(unsigned int numeric, const std::string &text); - /** Write text to this user, appending CR/LF and prepending :nick!user@host of the user provided in the first parameter. - * @param user The user to prepend the :nick!user@host of + /** Write text to this user, appending CR/LF and prepending :nick!user\@host of the user provided in the first parameter. + * @param user The user to prepend the :nick!user\@host of * @param text A std::string to send to the user */ void WriteFrom(User *user, const std::string &text); - /** Write text to this user, appending CR/LF and prepending :nick!user@host of the user provided in the first parameter. - * @param user The user to prepend the :nick!user@host of + /** Write text to this user, appending CR/LF and prepending :nick!user\@host of the user provided in the first parameter. + * @param user The user to prepend the :nick!user\@host of * @param text The format string for text to send to the user * @param ... POD-type format arguments */ void WriteFrom(User *user, const char* text, ...) CUSTOM_PRINTF(3, 4); - /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user@host. + /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user\@host. * @param dest The user to route the message to - * @param text A std::string to send to the user + * @param data A std::string to send to the user */ void WriteTo(User *dest, const std::string &data); - /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user@host. + /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user\@host. * @param dest The user to route the message to - * @param text The format string for text to send to the user + * @param data The format string for text to send to the user * @param ... POD-type format arguments */ void WriteTo(User *dest, const char *data, ...) CUSTOM_PRINTF(3, 4); - /** Write to all users that can see this user (including this user in the list), appending CR/LF - * @param text A std::string to send to the users + /** Write to all users that can see this user (including this user in the list if include_self is true), appending CR/LF + * @param line A std::string to send to the users + * @param include_self Should the message be sent back to the author? */ void WriteCommonRaw(const std::string &line, bool include_self = true); @@ -594,10 +562,10 @@ class CoreExport User : public Extensible void WriteCommonQuit(const std::string &normal_text, const std::string &oper_text); /** Dump text to a user target, splitting it appropriately to fit - * @param LinePrefix text to prefix each complete line with - * @param TextStream the text to send to the user + * @param linePrefix text to prefix each complete line with + * @param textStream the text to send to the user */ - void SendText(const std::string &LinePrefix, std::stringstream &TextStream); + void SendText(const std::string& linePrefix, std::stringstream& textStream); /** Write to the user, routing the line if the user is remote. */ @@ -613,32 +581,24 @@ class CoreExport User : public Extensible */ bool SharesChannelWith(User *other); - /** Send fake quit/join messages for host or ident cycle. - * Run this after the item in question has changed. - * You should not need to use this function, call ChangeDisplayedHost instead - * - * @param The entire QUIT line, including the source using the old value - */ - void DoHostCycle(const std::string &quitline); - /** Change the displayed host of a user. * ALWAYS use this function, rather than writing User::dhost directly, * as this triggers module events allowing the change to be syncronized to - * remote servers. This will also emulate a QUIT and rejoin (where configured) - * before setting their host field. + * remote servers. * @param host The new hostname to set * @return True if the change succeeded, false if it didn't + * (a module vetoed the change). */ - bool ChangeDisplayedHost(const char* host); + bool ChangeDisplayedHost(const std::string& host); /** Change the ident (username) of a user. * ALWAYS use this function, rather than writing User::ident directly, - * as this correctly causes the user to seem to quit (where configured) - * before setting their ident field. - * @param host The new ident to set + * as this triggers module events allowing the change to be syncronized to + * remote servers. + * @param newident The new ident to set * @return True if the change succeeded, false if it didn't */ - bool ChangeIdent(const char* newident); + bool ChangeIdent(const std::string& newident); /** Change a users realname field. * ALWAYS use this function, rather than writing User::fullname directly, @@ -647,7 +607,7 @@ class CoreExport User : public Extensible * @param gecos The user's new realname * @return True if the change succeeded, false if otherwise */ - bool ChangeName(const char* gecos); + bool ChangeName(const std::string& gecos); /** Change a user's nick * @param newnick The new nick @@ -666,30 +626,11 @@ class CoreExport User : public Extensible */ void SendAll(const char* command, const char* text, ...) CUSTOM_PRINTF(3, 4); - /** Compile a channel list for this user. Used internally by WHOIS - * @param source The user to prepare the channel list for - * @param spy Whether to return the spy channel list rather than the normal one - * @return This user's channel list - */ - std::string ChannelList(User* source, bool spy); - - /** Split the channel list in cl which came from dest, and spool it to this user - * Used internally by WHOIS - * @param dest The user the original channel list came from - * @param cl The channel list as a string obtained from User::ChannelList() - */ - void SplitChanList(User* dest, const std::string &cl); - /** Remove this user from all channels they are on, and delete any that are now empty. * This is used by QUIT, and will not send part messages! */ void PurgeEmptyChannels(); - /** Get the connect class which this user belongs to. NULL for remote users. - * @return A pointer to this user's connect class. - */ - virtual ConnectClass* GetClass(); - /** Default destructor */ virtual ~User(); @@ -712,38 +653,38 @@ class CoreExport UserIOHandler : public StreamSocket void AddWriteBuf(const std::string &data); }; -class CoreExport LocalUser : public User -{ - /** A list of channels the user has a pending invite to. - * Upon INVITE channels are added, and upon JOIN, the - * channels are removed from this list. - */ - InvitedList invites; +typedef unsigned int already_sent_t; +class CoreExport LocalUser : public User, public InviteBase +{ public: LocalUser(int fd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server); CullResult cull(); UserIOHandler eh; + /** Position in UserManager::local_users + */ + LocalUserList::iterator localuseriter; + /** Stats counter for bytes inbound */ - int bytes_in; + unsigned int bytes_in; /** Stats counter for bytes outbound */ - int bytes_out; + unsigned int bytes_out; /** Stats counter for commands inbound */ - int cmds_in; + unsigned int cmds_in; /** Stats counter for commands outbound */ - int cmds_out; + unsigned int cmds_out; /** Password specified by the user when they registered (if any). - * This is stored even if the block doesnt need a password, so that + * This is stored even if the \ block doesnt need a password, so that * modules may check it. */ std::string password; @@ -752,11 +693,14 @@ class CoreExport LocalUser : public User */ reference MyClass; - ConnectClass* GetClass(); + /** Get the connect class which this user belongs to. + * @return A pointer to this user's connect class. + */ + ConnectClass* GetClass() const { return MyClass; } - /** Call this method to find the matching for a user, and to check them against it. + /** Call this method to find the matching \ for a user, and to check them against it. */ - void CheckClass(); + void CheckClass(bool clone_count = true); /** Server address and port that this user is connected to. */ @@ -767,24 +711,41 @@ class CoreExport LocalUser : public User */ int GetServerPort(); + /** Recursion fix: user is out of SendQ and will be quit as soon as possible. + * This can't be handled normally because QuitUser itself calls Write on other + * users, which could trigger their SendQ to overrun. + */ + unsigned int quitting_sendq:1; + + /** has the user responded to their previous ping? + */ + unsigned int lastping:1; + + /** This is true if the user matched an exception (E:Line). It is used to save time on ban checks. + */ + unsigned int exempt:1; + /** Used by PING checking code */ time_t nping; + /** Time that the connection last sent a message, used to calculate idle time + */ + time_t idle_lastmsg; + /** This value contains how far into the penalty threshold the user is. * This is used either to enable fake lag or for excess flood quits */ unsigned int CommandFloodPenalty; - /** Stored reverse lookup from res_forward. Should not be used after resolution. - */ - std::string stored_host; + static already_sent_t already_sent_id; + already_sent_t already_sent; - /** Starts a DNS lookup of the user's IP. - * This will cause two UserResolver classes to be instantiated. - * When complete, these objects set User::dns_done to true. + /** Check if the user matches a G or K line, and disconnect them if they do. + * @param doZline True if ZLines should be checked (if IP has changed since initial connect) + * Returns true if the user matched a ban, false else. */ - void StartDNSLookup(); + bool CheckLines(bool doZline = false); /** Use this method to fully connect a user. * This will send the message of the day, check G/K/E lines, etc. @@ -792,11 +753,15 @@ class CoreExport LocalUser : public User void FullConnect(); /** Set the connect class to which this user belongs to. - * @param explicit_name Set this string to tie the user to a specific class name. Otherwise, the class is fitted by checking tags from the configuration file. + * @param explicit_name Set this string to tie the user to a specific class name. Otherwise, the class is fitted by checking \ tags from the configuration file. * @return A reference to this user's current connect class. */ void SetClass(const std::string &explicit_name = ""); + bool SetClientIP(const char* sip, bool recheck_eline = true); + + void SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline = true); + void SendText(const std::string& line); void Write(const std::string& text); void Write(const char*, ...) CUSTOM_PRINTF(2, 3); @@ -804,26 +769,23 @@ class CoreExport LocalUser : public User /** Returns the list of channels this user has been invited to but has not yet joined. * @return A list of channels the user is invited to */ - InvitedList* GetInviteList(); + InviteList& GetInviteList(); /** Returns true if a user is invited to a channel. - * @param channel A channel name to look up + * @param chan A channel to look up * @return True if the user is invited to the given channel */ - bool IsInvited(const irc::string &channel); - - /** Adds a channel to a users invite list (invites them to a channel) - * @param channel A channel name to add - * @param timeout When the invite should expire (0 == never) - */ - void InviteTo(const irc::string &channel, time_t timeout); + bool IsInvited(Channel* chan) { return (Invitation::Find(chan, this) != NULL); } /** Removes a channel from a users invite list. * This member function is called on successfully joining an invite only channel * to which the user has previously been invited, to clear the invitation. - * @param channel The channel to remove the invite to + * @param chan The channel to remove the invite to + * @return True if the user was invited to the channel and the invite was erased, false if the user wasn't invited */ - void RemoveInvite(const irc::string &channel); + bool RemoveInvite(Channel* chan); + + void RemoveExpiredInvites(); /** Returns true or false for if a user can execute a privilaged oper command. * This is done by looking up their oper type from User::oper, then referencing @@ -851,8 +813,6 @@ class CoreExport LocalUser : public User * @return True if the user can set or unset this mode. */ bool HasModePermission(unsigned char mode, ModeType type); - - inline int GetFd() { return eh.GetFd(); } }; class CoreExport RemoteUser : public User @@ -894,47 +854,22 @@ inline FakeUser* IS_SERVER(User* u) { return u->usertype == USERTYPE_SERVER ? static_cast(u) : NULL; } -/** Is an oper */ -#define IS_OPER(x) (x->oper) -/** Is away */ -#define IS_AWAY(x) (!x->awaymsg.empty()) -/** Derived from Resolver, and performs user forward/reverse lookups. - */ -class CoreExport UserResolver : public Resolver +inline bool User::IsModeSet(ModeHandler* mh) { - private: - /** User this class is 'attached' to. - */ - LocalUser* bound_user; - /** File descriptor teh lookup is bound to - */ - int bound_fd; - /** True if the lookup is forward, false if is a reverse lookup - */ - bool fwd; - public: - /** Create a resolver. - * @param Instance The creating instance - * @param user The user to begin lookup on - * @param to_resolve The IP or host to resolve - * @param qt The query type - * @param cache Modified by the constructor if the result was cached - */ - UserResolver(LocalUser* user, std::string to_resolve, QueryType qt, bool &cache); - - /** Called on successful lookup - * @param result Result string - * @param ttl Time to live for result - * @param cached True if the result was found in the cache - */ - void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached); + char m = mh->GetModeChar(); + return (modes[m-65]); +} - /** Called on failed lookup - * @param e Error code - * @param errormessage Error message string - */ - void OnError(ResolverError e, const std::string &errormessage); -}; +inline bool User::IsModeSet(UserModeReference& moderef) +{ + if (!moderef) + return false; + return IsModeSet(*moderef); +} -#endif +inline void User::SetMode(ModeHandler* mh, bool value) +{ + char m = mh->GetModeChar(); + modes[m-65] = value; +}