-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#ifndef __USERS_H__\r#define __USERS_H__\r\r#include <string>\r#include "inspircd_config.h"\r#include "socket.h"\r#include "channels.h"\r#include "inspstring.h"\r#include "connection.h"\r#include "hashcomp.h"\r#include "dns.h"\r\r/** Channel status for a user\r */\renum ChanStatus {\r /** Op */\r STATUS_OP = 4,\r /** Halfop */\r STATUS_HOP = 2,\r /** Voice */\r STATUS_VOICE = 1,\r /** None */\r STATUS_NORMAL = 0\r};\r\r/** connect class types\r */\renum ClassTypes {\r /** connect:allow */\r CC_ALLOW = 0,\r /** connect:deny */\r CC_DENY = 1\r};\r\r/** RFC1459 channel modes\r */\renum UserModes {\r /** +s: Server notices */\r UM_SERVERNOTICE = 's' - 65,\r /** +w: WALLOPS */\r UM_WALLOPS = 'w' - 65,\r /** +i: Invisible */\r UM_INVISIBLE = 'i' - 65,\r /** +o: Operator */\r UM_OPERATOR = 'o' - 65,\r /** +n: Server notice mask */\r UM_SNOMASK = 'n' - 65\r};\r\r/** Registration state of a user, e.g.\r * have they sent USER, NICK, PASS yet?\r */\renum RegistrationState {\r\r#ifndef WIN32 // Burlex: This is already defined in win32, luckily it is still 0.\r REG_NONE = 0, /* Has sent nothing */\r#endif\r\r REG_USER = 1, /* Has sent USER */\r REG_NICK = 2, /* Has sent NICK */\r REG_NICKUSER = 3, /* Bitwise combination of REG_NICK and REG_USER */\r REG_ALL = 7 /* REG_NICKUSER plus next bit along */\r};\r\r/* Required forward declaration */\rclass InspIRCd;\r\r/** Derived from Resolver, and performs user forward/reverse lookups.\r */\rclass CoreExport UserResolver : public Resolver\r{\r private:\r /** User this class is 'attached' to.\r */\r userrec* bound_user;\r /** File descriptor teh lookup is bound to\r */\r int bound_fd;\r /** True if the lookup is forward, false if is a reverse lookup\r */\r bool fwd;\r public:\r /** Create a resolver.\r * @param Instance The creating instance\r * @param user The user to begin lookup on\r * @param to_resolve The IP or host to resolve\r * @param qt The query type\r * @param cache Modified by the constructor if the result was cached\r */\r UserResolver(InspIRCd* Instance, userrec* user, std::string to_resolve, QueryType qt, bool &cache);\r\r /** Called on successful lookup\r * @param result Result string\r * @param ttl Time to live for result\r * @param cached True if the result was found in the cache\r */\r void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached);\r\r /** Called on failed lookup\r * @param e Error code\r * @param errormessage Error message string\r */\r void OnError(ResolverError e, const std::string &errormessage);\r};\r\r\r/** Holds information relevent to <connect allow> and <connect deny> tags in the config file.\r */\rclass CoreExport ConnectClass : public classbase\r{\r private:\r /** Type of line, either CC_ALLOW or CC_DENY\r */\r char type;\r /** Max time to register the connection in seconds\r */\r unsigned int registration_timeout;\r /** Number of lines in buffer before excess flood is triggered\r */\r unsigned int flood;\r /** Host mask for this line\r */\r std::string host;\r /** Number of seconds between pings for this line\r */\r unsigned int pingtime;\r /** (Optional) Password for this line\r */\r std::string pass;\r\r /** Threshold value for flood disconnect\r */\r unsigned int threshold;\r\r /** Maximum size of sendq for users in this class (bytes)\r */\r unsigned long sendqmax;\r\r /** Maximum size of recvq for users in this class (bytes)\r */\r unsigned long recvqmax;\r\r /** Local max when connecting by this connection class\r */\r unsigned long maxlocal;\r\r /** Global max when connecting by this connection class\r */\r unsigned long maxglobal;\r /** Port number this connect class applies to\r */\r int port;\r\rpublic:\r\r /** Create a new connect class with no settings.\r */\r ConnectClass() : type(CC_DENY), registration_timeout(0), flood(0), host(""), pingtime(0), pass(""),\r threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0) { }\r\r /** Create a new connect class to ALLOW connections.\r * @param timeout The registration timeout\r * @param fld The flood value\r * @param hst The IP mask to allow\r * @param ping The ping frequency\r * @param pas The password to be used\r * @param thres The flooding threshold\r * @param sendq The maximum sendq value\r * @param recvq The maximum recvq value\r * @param maxl The maximum local sessions\r * @param maxg The maximum global sessions\r */\r ConnectClass(unsigned int timeout, unsigned int fld, const std::string &hst, unsigned int ping,\r const std::string &pas, unsigned int thres, unsigned long sendq, unsigned long recvq,\r unsigned long maxl, unsigned long maxg, int p = 0) :\r type(CC_ALLOW), registration_timeout(timeout), flood(fld), host(hst), pingtime(ping), pass(pas),\r threshold(thres), sendqmax(sendq), recvqmax(recvq), maxlocal(maxl), maxglobal(maxg), port(p) { }\r\r /** Create a new connect class to DENY connections\r * @param hst The IP mask to deny\r */\r ConnectClass(const std::string &hst) : type(CC_DENY), registration_timeout(0), flood(0), host(hst), pingtime(0),\r pass(""), threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0), port(0) { }\r\r /** Returns the type, CC_ALLOW or CC_DENY\r */\r char GetType()\r {\r return (type == CC_ALLOW ? CC_ALLOW : CC_DENY);\r }\r\r /** Returns the registration timeout\r */\r unsigned int GetRegTimeout()\r {\r return (registration_timeout ? registration_timeout : 90);\r }\r\r /** Returns the flood limit\r */\r unsigned int GetFlood()\r {\r return (threshold ? flood : 999);\r }\r\r /** Returns the allowed or denied IP mask\r */\r const std::string& GetHost()\r {\r return host;\r }\r\r int GetPort()\r {\r return port;\r }\r\r /** Returns the ping frequency\r */\r unsigned int GetPingTime()\r {\r return (pingtime ? pingtime : 120);\r }\r\r /** Returns the password or an empty string\r */\r const std::string& GetPass()\r {\r return pass;\r }\r\r /** Returns the flood threshold value\r */\r unsigned int GetThreshold()\r {\r return (threshold ? threshold : 1);\r }\r\r /** Returns the maximum sendq value\r */\r unsigned long GetSendqMax()\r {\r return (sendqmax ? sendqmax : 262114);\r }\r\r /** Returns the maximum recvq value\r */\r unsigned long GetRecvqMax()\r {\r return (recvqmax ? recvqmax : 4096);\r }\r\r /** Returusn the maximum number of local sessions\r */\r unsigned long GetMaxLocal()\r {\r return maxlocal;\r }\r\r /** Returns the maximum number of global sessions\r */\r unsigned long GetMaxGlobal()\r {\r return maxglobal;\r }\r};\r\r/** Holds a complete list of all channels to which a user has been invited and has not yet joined.\r */\rtypedef std::vector<irc::string> InvitedList;\r\r/** Holds a complete list of all allow and deny tags from the configuration file (connection classes)\r */\rtypedef std::vector<ConnectClass> ClassVector;\r\r/** Typedef for the list of user-channel records for a user\r */\rtypedef std::map<chanrec*, char> UserChanList;\r\r/** Shorthand for an iterator into a UserChanList\r */\rtypedef UserChanList::iterator UCListIter;\r\r/* Required forward declaration\r */\rclass userrec;\r\r/** Visibility data for a user.\r * If a user has a non-null instance of this class in their userrec,\r * then it is used to determine if this user is visible to other users\r * or not.\r */\rclass CoreExport VisData\r{\r public:\r /** Create a visdata\r */\r VisData();\r /** Destroy a visdata\r */\r virtual ~VisData();\r /** Is this user visible to some other user?\r * @param user The other user to compare to\r * @return true True if the user is visible to the other user, false if not\r */\r virtual bool VisibleTo(userrec* user);\r};\r\r/** Holds all information about a user\r * This class stores all information about a user connected to the irc server. Everything about a\r * connection is stored here primarily, from the user's socket ID (file descriptor) through to the\r * user's nickname and hostname. Use the FindNick method of the InspIRCd class to locate a specific user\r * by nickname, or the FindDescriptor method of the InspIRCd class to find a specific user by their\r * file descriptor value.\r */\rclass CoreExport userrec : public connection\r{\r private:\r /** Pointer to creator.\r * This is required to make use of core functions\r * from within the userrec class.\r */\r InspIRCd* ServerInstance;\r\r /** A list of channels the user has a pending invite to.\r * Upon INVITE channels are added, and upon JOIN, the\r * channels are removed from this list.\r */\r InvitedList invites;\r\r /** Number of channels this user is currently on\r */\r unsigned int ChannelCount;\r\r /** Cached nick!ident@host value using the real hostname\r */\r char* cached_fullhost;\r\r /** Cached nick!ident@ip value using the real IP address\r */\r char* cached_hostip;\r\r /** Cached nick!ident@host value using the masked hostname\r */\r char* cached_makehost;\r\r /** Cached nick!ident@realhost value using the real hostname\r */\r char* cached_fullrealhost;\r\r /** When we erase the user (in the destructor),\r * we call this method to subtract one from all\r * mode characters this user is making use of.\r */\r void DecrementModes();\r\r /** Oper-only quit message for this user if non-null\r */\r char* operquit;\r\r public:\r /** Resolvers for looking up this users IP address\r * This will occur if and when res_reverse completes.\r * When this class completes its lookup, userrec::dns_done\r * will be set from false to true.\r */\r UserResolver* res_forward;\r\r /** Resolvers for looking up this users hostname\r * This is instantiated by userrec::StartDNSLookup(),\r * and on success, instantiates userrec::res_reverse.\r */\r UserResolver* res_reverse;\r\r /** User visibility state, see definition of VisData.\r */\r VisData* Visibility;\r\r /** Stored reverse lookup from res_forward\r */\r std::string stored_host;\r\r /** Starts a DNS lookup of the user's IP.\r * This will cause two UserResolver classes to be instantiated.\r * When complete, these objects set userrec::dns_done to true.\r */\r void StartDNSLookup();\r\r /** The users nickname.\r * An invalid nickname indicates an unregistered connection prior to the NICK command.\r * Use InspIRCd::IsNick() to validate nicknames.\r */\r char nick[NICKMAX];\r\r /** The users ident reply.\r * Two characters are added to the user-defined limit to compensate for the tilde etc.\r */\r char ident[IDENTMAX+2];\r\r /** The host displayed to non-opers (used for cloaking etc).\r * This usually matches the value of userrec::host.\r */\r char dhost[65];\r\r /** The users full name (GECOS).\r */\r char fullname[MAXGECOS+1];\r\r /** The user's mode list.\r * This is NOT a null terminated string! In the 1.1 version of InspIRCd\r * this is an array of values in a similar way to channel modes.\r * A value of 1 in field (modeletter-65) indicates that the mode is\r * set, for example, to work out if mode +s is set, we check the field\r * userrec::modes['s'-65] != 0.\r * The following RFC characters o, w, s, i have constants defined via an\r * enum, such as UM_SERVERNOTICE and UM_OPETATOR.\r */\r char modes[64];\r\r /** What snomasks are set on this user.\r * This functions the same as the above modes.\r */\r char snomasks[64];\r\r /** Channels this user is on, and the permissions they have there\r */\r UserChanList chans;\r\r /** The server the user is connected to.\r */\r const char* server;\r\r /** The user's away message.\r * If this string is empty, the user is not marked as away.\r */\r char awaymsg[MAXAWAY+1];\r\r /** Number of lines the user can place into the buffer\r * (up to the global NetBufferSize bytes) before they\r * are disconnected for excess flood\r */\r int flood;\r\r /** Timestamp of current time + connection class timeout.\r * This user must send USER/NICK before this timestamp is\r * reached or they will be disconnected.\r */\r time_t timeout;\r\r /** The oper type they logged in as, if they are an oper.\r * This is used to check permissions in operclasses, so that\r * we can say 'yay' or 'nay' to any commands they issue.\r * The value of this is the value of a valid 'type name=' tag.\r */\r char oper[NICKMAX];\r\r /** True when DNS lookups are completed.\r * The UserResolver classes res_forward and res_reverse will\r * set this value once they complete.\r */\r bool dns_done;\r\r /** Number of seconds between PINGs for this user (set from <connect:allow> tag\r */\r unsigned int pingmax;\r\r /** Password specified by the user when they registered.\r * This is stored even if the <connect> block doesnt need a password, so that\r * modules may check it.\r */\r char password[64];\r\r /** User's receive queue.\r * Lines from the IRCd awaiting processing are stored here.\r * Upgraded april 2005, old system a bit hairy.\r */\r std::string recvq;\r\r /** User's send queue.\r * Lines waiting to be sent are stored here until their buffer is flushed.\r */\r std::string sendq;\r\r /** Flood counters - lines received\r */\r int lines_in;\r\r /** Flood counters - time lines_in is due to be reset\r */\r time_t reset_due;\r\r /** Flood counters - Highest value lines_in may reach before the user gets disconnected\r */\r long threshold;\r\r /** If this is set to true, then all read operations for the user\r * are dropped into the bit-bucket.\r * This is used by the global CullList, but please note that setting this value\r * alone will NOT cause the user to quit. This means it can be used seperately,\r * for example by shun modules etc.\r */\r bool muted;\r\r /** IPV4 or IPV6 ip address. Use SetSockAddr to set this and GetProtocolFamily/\r * GetIPString/GetPort to obtain its values.\r */\r sockaddr* ip;\r\r /** Initialize the clients sockaddr\r * @param protocol_family The protocol family of the IP address, AF_INET or AF_INET6\r * @param ip A human-readable IP address for this user matching the protcol_family\r * @param port The port number of this user or zero for a remote user\r */\r void SetSockAddr(int protocol_family, const char* ip, int port);\r\r /** Get port number from sockaddr\r * @return The port number of this user.\r */\r int GetPort();\r\r /** Get protocol family from sockaddr\r * @return The protocol family of this user, either AF_INET or AF_INET6\r */\r int GetProtocolFamily();\r\r /** Get IP string from sockaddr, using static internal buffer\r * @return The IP string\r */\r const char* GetIPString();\r\r /** Get IP string from sockaddr, using caller-specified buffer\r * @param buf A buffer to use\r * @return The IP string\r */\r const char* GetIPString(char* buf);\r\r /* Write error string\r */\r std::string WriteError;\r\r /** Maximum size this user's sendq can become.\r * Copied from the connect class on connect.\r */\r long sendqmax;\r\r /** Maximum size this user's recvq can become.\r * Copied from the connect class on connect.\r */\r long recvqmax;\r\r /** This is true if the user matched an exception when they connected to the ircd.\r * It isnt valid after this point, and you should not attempt to do anything with it\r * after this point, because the eline might be removed at a later time, and/or no\r * longer be applicable to this user. It is only used to save doing the eline lookup\r * twice (instead we do it once and set this value).\r */\r bool exempt;\r\r /** Default constructor\r * @throw Nothing at present\r */\r userrec(InspIRCd* Instance);\r\r /** Returns the full displayed host of the user\r * This member function returns the hostname of the user as seen by other users\r * on the server, in nick!ident&at;host form.\r * @return The full masked host of the user\r */\r virtual char* GetFullHost();\r\r /** Returns the full real host of the user\r * This member function returns the hostname of the user as seen by other users\r * on the server, in nick!ident&at;host form. If any form of hostname cloaking is in operation,\r * e.g. through a module, then this method will ignore it and return the true hostname.\r * @return The full real host of the user\r */\r virtual char* GetFullRealHost();\r\r /** This clears any cached results that are used for GetFullRealHost() etc.\r * The results of these calls are cached as generating them can be generally expensive.\r */\r void InvalidateCache();\r\r /** Create a displayable mode string for this users snomasks\r * @return The notice mask character sequence\r */\r const char* FormatNoticeMasks();\r\r /** Process a snomask modifier string, e.g. +abc-de\r * @param sm A sequence of notice mask characters\r * @return The cleaned mode sequence which can be output,\r * e.g. in the above example if masks c and e are not\r * valid, this function will return +ab-d\r */\r std::string ProcessNoticeMasks(const char *sm);\r\r /** Returns true if a notice mask is set\r * @param sm A notice mask character to check\r * @return True if the notice mask is set\r */\r bool IsNoticeMaskSet(unsigned char sm);\r\r /** Changed a specific notice mask value\r * @param sm The server notice mask to change\r * @param value An on/off value for this mask\r */\r void SetNoticeMask(unsigned char sm, bool value);\r\r /** Create a displayable mode string for this users umodes\r * @param The mode string\r */\r const char* FormatModes();\r\r /** Returns true if a specific mode is set\r * @param m The user mode\r * @return True if the mode is set\r */\r bool IsModeSet(unsigned char m);\r\r /** Set a specific usermode to on or off\r * @param m The user mode\r * @param value On or off setting of the mode\r */\r void SetMode(unsigned char m, bool value);\r\r /** Returns true if a user is invited to a channel.\r * @param channel A channel name to look up\r * @return True if the user is invited to the given channel\r */\r virtual bool IsInvited(const irc::string &channel);\r\r /** Adds a channel to a users invite list (invites them to a channel)\r * @param channel A channel name to add\r */\r virtual void InviteTo(const irc::string &channel);\r\r /** Removes a channel from a users invite list.\r * This member function is called on successfully joining an invite only channel\r * to which the user has previously been invited, to clear the invitation.\r * @param channel The channel to remove the invite to\r */\r virtual void RemoveInvite(const irc::string &channel);\r\r /** Returns true or false for if a user can execute a privilaged oper command.\r * This is done by looking up their oper type from userrec::oper, then referencing\r * this to their oper classes and checking the commands they can execute.\r * @param command A command (should be all CAPS)\r * @return True if this user can execute the command\r */\r bool HasPermission(const std::string &command);\r\r /** Calls read() to read some data for this user using their fd.\r * @param buffer The buffer to read into\r * @param size The size of data to read\r * @return The number of bytes read, or -1 if an error occured.\r */\r int ReadData(void* buffer, size_t size);\r\r /** This method adds data to the read buffer of the user.\r * The buffer can grow to any size within limits of the available memory,\r * managed by the size of a std::string, however if any individual line in\r * the buffer grows over 600 bytes in length (which is 88 chars over the\r * RFC-specified limit per line) then the method will return false and the\r * text will not be inserted.\r * @param a The string to add to the users read buffer\r * @return True if the string was successfully added to the read buffer\r */\r bool AddBuffer(std::string a);\r\r /** This method returns true if the buffer contains at least one carriage return\r * character (e.g. one complete line may be read)\r * @return True if there is at least one complete line in the users buffer\r */\r bool BufferIsReady();\r\r /** This function clears the entire buffer by setting it to an empty string.\r */\r void ClearBuffer();\r\r /** This method returns the first available string at the tail end of the buffer\r * and advances the tail end of the buffer past the string. This means it is\r * a one way operation in a similar way to strtok(), and multiple calls return\r * multiple lines if they are available. The results of this function if there\r * are no lines to be read are unknown, always use BufferIsReady() to check if\r * it is ok to read the buffer before calling GetBuffer().\r * @return The string at the tail end of this users buffer\r */\r std::string GetBuffer();\r\r /** Sets the write error for a connection. This is done because the actual disconnect\r * of a client may occur at an inopportune time such as half way through /LIST output.\r * The WriteErrors of clients are checked at a more ideal time (in the mainloop) and\r * errored clients purged.\r * @param error The error string to set.\r */\r void SetWriteError(const std::string &error);\r\r /** Returns the write error which last occured on this connection or an empty string\r * if none occured.\r * @return The error string which has occured for this user\r */\r const char* GetWriteError();\r\r /** Adds to the user's write buffer.\r * You may add any amount of text up to this users sendq value, if you exceed the\r * sendq value, SetWriteError() will be called to set the users error string to\r * "SendQ exceeded", and further buffer adds will be dropped.\r * @param data The data to add to the write buffer\r */\r void AddWriteBuf(const std::string &data);\r\r /** Flushes as much of the user's buffer to the file descriptor as possible.\r * This function may not always flush the entire buffer, rather instead as much of it\r * as it possibly can. If the send() call fails to send the entire buffer, the buffer\r * position is advanced forwards and the rest of the data sent at the next call to\r * this method.\r */\r void FlushWriteBuf();\r\r /** Returns the list of channels this user has been invited to but has not yet joined.\r * @return A list of channels the user is invited to\r */\r InvitedList* GetInviteList();\r\r /** Creates a wildcard host.\r * Takes a buffer to use and fills the given buffer with the host in the format *!*@hostname\r * @return The wildcarded hostname in *!*@host form\r */\r char* MakeWildHost();\r\r /** Creates a usermask with real host.\r * Takes a buffer to use and fills the given buffer with the hostmask in the format user@host\r * @return the usermask in the format user@host\r */\r char* MakeHost();\r\r /** Creates a usermask with real ip.\r * Takes a buffer to use and fills the given buffer with the ipmask in the format user@ip\r * @return the usermask in the format user@ip\r */\r char* MakeHostIP();\r\r /** Shuts down and closes the user's socket\r * This will not cause the user to be deleted. Use InspIRCd::QuitUser for this,\r * which will call CloseSocket() for you.\r */\r void CloseSocket();\r\r /** Disconnect a user gracefully\r * @param user The user to remove\r * @param r The quit reason to show to normal users\r * @param oreason The quit reason to show to opers\r * @return Although this function has no return type, on exit the user provided will no longer exist.\r */\r static void QuitUser(InspIRCd* Instance, userrec *user, const std::string &r, const char* oreason = "");\r\r /** Add the user to WHOWAS system\r */\r void AddToWhoWas();\r\r /** Oper up the user using the given opertype.\r * This will also give the +o usermode.\r * @param opertype The oper type to oper as\r */\r void Oper(const std::string &opertype);\r\r /** Call this method to find the matching <connect> for a user, and to check them against it.\r */\r void CheckClass();\r\r /** Use this method to fully connect a user.\r * This will send the message of the day, check G/K/E lines, etc.\r */\r void FullConnect();\r\r /** Change this users hash key to a new string.\r * You should not call this function directly. It is used by the core\r * to update the users hash entry on a nickchange.\r * @param New new user_hash key\r * @return Pointer to userrec in hash (usually 'this')\r */\r userrec* UpdateNickHash(const char* New);\r\r /** Force a nickname change.\r * If the nickname change fails (for example, because the nick in question\r * already exists) this function will return false, and you must then either\r * output an error message, or quit the user for nickname collision.\r * @param newnick The nickname to change to\r * @return True if the nickchange was successful.\r */\r bool ForceNickChange(const char* newnick);\r\r /** Add a client to the system.\r * This will create a new userrec, insert it into the user_hash,\r * initialize it as not yet registered, and add it to the socket engine.\r * @param Instance a pointer to the server instance\r * @param socket The socket id (file descriptor) this user is on\r * @param port The port number this user connected on\r * @param iscached This variable is reserved for future use\r * @param ip The IP address of the user\r * @return This function has no return value, but a call to AddClient may remove the user.\r */\r static void AddClient(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip);\r\r /** Oper down.\r * This will clear the +o usermode and unset the user's oper type\r */\r void UnOper();\r\r /** Return the number of global clones of this user\r * @return The global clone count of this user\r */\r unsigned long GlobalCloneCount();\r\r /** Return the number of local clones of this user\r * @return The local clone count of this user\r */\r unsigned long LocalCloneCount();\r\r /** Remove all clone counts from the user, you should\r * use this if you change the user's IP address in\r * userrec::ip after they have registered.\r */\r void RemoveCloneCounts();\r\r /** Write text to this user, appending CR/LF.\r * @param text A std::string to send to the user\r */\r void Write(std::string text);\r\r /** Write text to this user, appending CR/LF.\r * @param text The format string for text to send to the user\r * @param ... POD-type format arguments\r */\r void Write(const char *text, ...);\r\r /** Write text to this user, appending CR/LF and prepending :server.name\r * @param text A std::string to send to the user\r */\r void WriteServ(const std::string& text);\r\r /** Write text to this user, appending CR/LF and prepending :server.name\r * @param text The format string for text to send to the user\r * @param ... POD-type format arguments\r */\r void WriteServ(const char* text, ...);\r\r /** Write text to this user, appending CR/LF and prepending :nick!user@host of the user provided in the first parameter.\r * @param user The user to prepend the :nick!user@host of\r * @param text A std::string to send to the user\r */\r void WriteFrom(userrec *user, const std::string &text);\r\r /** Write text to this user, appending CR/LF and prepending :nick!user@host of the user provided in the first parameter.\r * @param user The user to prepend the :nick!user@host of\r * @param text The format string for text to send to the user\r * @param ... POD-type format arguments\r */\r void WriteFrom(userrec *user, const char* text, ...);\r\r /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user@host.\r * @param dest The user to route the message to\r * @param text A std::string to send to the user\r */\r void WriteTo(userrec *dest, const std::string &data);\r\r /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user@host.\r * @param dest The user to route the message to\r * @param text The format string for text to send to the user\r * @param ... POD-type format arguments\r */\r void WriteTo(userrec *dest, const char *data, ...);\r\r /** Write to all users that can see this user (including this user in the list), appending CR/LF\r * @param text A std::string to send to the users\r */\r void WriteCommon(const std::string &text);\r\r /** Write to all users that can see this user (including this user in the list), appending CR/LF\r * @param text The format string for text to send to the users\r * @param ... POD-type format arguments\r */\r void WriteCommon(const char* text, ...);\r\r /** Write to all users that can see this user (not including this user in the list), appending CR/LF\r * @param text The format string for text to send to the users\r * @param ... POD-type format arguments\r */\r void WriteCommonExcept(const char* text, ...);\r\r /** Write to all users that can see this user (not including this user in the list), appending CR/LF\r * @param text A std::string to send to the users\r */\r void WriteCommonExcept(const std::string &text);\r\r /** Write a quit message to all common users, as in userrec::WriteCommonExcept but with a specific\r * quit message for opers only.\r * @param normal_text Normal user quit message\r * @param oper_text Oper only quit message\r */\r void WriteCommonQuit(const std::string &normal_text, const std::string &oper_text);\r\r /** Write a WALLOPS message from this user to all local opers.\r * If this user is not opered, the function will return without doing anything.\r * @param text The format string to send in the WALLOPS message\r * @param ... Format arguments\r */\r void WriteWallOps(const char* text, ...);\r\r /** Write a WALLOPS message from this user to all local opers.\r * If this user is not opered, the function will return without doing anything.\r * @param text The text to send in the WALLOPS message\r */\r void WriteWallOps(const std::string &text);\r\r /** Return true if the user shares at least one channel with another user\r * @param other The other user to compare the channel list against\r * @return True if the given user shares at least one channel with this user\r */\r bool SharesChannelWith(userrec *other);\r\r /** Change the displayed host of a user.\r * ALWAYS use this function, rather than writing userrec::dhost directly,\r * as this triggers module events allowing the change to be syncronized to\r * remote servers. This will also emulate a QUIT and rejoin (where configured)\r * before setting their host field.\r * @param host The new hostname to set\r * @return True if the change succeeded, false if it didn't\r */\r bool ChangeDisplayedHost(const char* host);\r\r /** Change the ident (username) of a user.\r * ALWAYS use this function, rather than writing userrec::ident directly,\r * as this correctly causes the user to seem to quit (where configured)\r * before setting their ident field.\r * @param host The new ident to set\r * @return True if the change succeeded, false if it didn't\r */\r bool ChangeIdent(const char* newident);\r\r /** Change a users realname field.\r * ALWAYS use this function, rather than writing userrec::fullname directly,\r * as this triggers module events allowing the change to be syncronized to\r * remote servers.\r * @param gecos The user's new realname\r * @return True if the change succeeded, false if otherwise\r */\r bool ChangeName(const char* gecos);\r\r /** Send a command to all local users from this user\r * The command given must be able to send text with the\r * first parameter as a servermask (e.g. $*), so basically\r * you should use PRIVMSG or NOTICE.\r * @param command the command to send\r * @param text The text format string to send\r * @param ... Format arguments\r */\r void SendAll(const char* command, char* text, ...);\r\r /** Compile a channel list for this user, and send it to the user 'source'\r * Used internally by WHOIS\r * @param The user to send the channel list to if it is not too long\r * @return This user's channel list\r */\r std::string ChannelList(userrec* source);\r\r /** Split the channel list in cl which came from dest, and spool it to this user\r * Used internally by WHOIS\r * @param dest The user the original channel list came from\r * @param cl The channel list as a string obtained from userrec::ChannelList()\r */\r void SplitChanList(userrec* dest, const std::string &cl);\r\r /** Remove this user from all channels they are on, and delete any that are now empty.\r * This is used by QUIT, and will not send part messages!\r */\r void PurgeEmptyChannels();\r\r /** Get the connect class which matches this user's host or IP address\r * @return A reference to this user's connect class\r */\r ConnectClass* GetClass();\r\r /** Show the message of the day to this user\r */\r void ShowMOTD();\r\r /** Show the server RULES file to this user\r */\r void ShowRULES();\r\r /** Set oper-specific quit message shown to opers only when the user quits\r * (overrides any sent by QuitUser)\r */\r void SetOperQuit(const std::string &oquit);\r\r /** Get oper-specific quit message shown only to opers when the user quits.\r * (overrides any sent by QuitUser)\r */\r const char* GetOperQuit();\r\r /** Handle socket event.\r * From EventHandler class.\r * @param et Event type\r * @param errornum Error number for EVENT_ERROR events\r */\r void HandleEvent(EventType et, int errornum = 0);\r\r /** Default destructor\r */\r virtual ~userrec();\r};\r\r/* Configuration callbacks */\rclass ServerConfig;\r\r#endif\r\r
\ No newline at end of file
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+#ifndef __USERS_H__
+#define __USERS_H__
+
+#include <string>
+#include "inspircd_config.h"
+#include "socket.h"
+#include "channels.h"
+#include "inspstring.h"
+#include "connection.h"
+#include "hashcomp.h"
+#include "dns.h"
+
+/** Channel status for a user
+ */
+enum ChanStatus {
+ /** Op */
+ STATUS_OP = 4,
+ /** Halfop */
+ STATUS_HOP = 2,
+ /** Voice */
+ STATUS_VOICE = 1,
+ /** None */
+ STATUS_NORMAL = 0
+};
+
+/** connect class types
+ */
+enum ClassTypes {
+ /** connect:allow */
+ CC_ALLOW = 0,
+ /** connect:deny */
+ CC_DENY = 1
+};
+
+/** RFC1459 channel modes
+ */
+enum UserModes {
+ /** +s: Server notices */
+ UM_SERVERNOTICE = 's' - 65,
+ /** +w: WALLOPS */
+ UM_WALLOPS = 'w' - 65,
+ /** +i: Invisible */
+ UM_INVISIBLE = 'i' - 65,
+ /** +o: Operator */
+ UM_OPERATOR = 'o' - 65,
+ /** +n: Server notice mask */
+ UM_SNOMASK = 'n' - 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.
+ REG_NONE = 0, /* Has sent nothing */
+#endif
+
+ REG_USER = 1, /* Has sent USER */
+ REG_NICK = 2, /* Has sent NICK */
+ REG_NICKUSER = 3, /* Bitwise combination of REG_NICK and REG_USER */
+ REG_ALL = 7 /* REG_NICKUSER plus next bit along */
+};
+
+/* Required forward declaration */
+class InspIRCd;
+
+/** Derived from Resolver, and performs user forward/reverse lookups.
+ */
+class CoreExport UserResolver : public Resolver
+{
+ private:
+ /** User this class is 'attached' to.
+ */
+ userrec* 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(InspIRCd* Instance, userrec* 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
+ * @param resultnum Result number, we are only interested in result 0
+ */
+ void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached, int resultnum = 0);
+
+ /** Called on failed lookup
+ * @param e Error code
+ * @param errormessage Error message string
+ */
+ void OnError(ResolverError e, const std::string &errormessage);
+};
+
+
+/** Holds information relevent to <connect allow> and <connect deny> tags in the config file.
+ */
+class CoreExport ConnectClass : public classbase
+{
+ private:
+ /** Type of line, either CC_ALLOW or CC_DENY
+ */
+ char type;
+ /** Connect class name
+ */
+ std::string name;
+ /** Max time to register the connection in seconds
+ */
+ unsigned int registration_timeout;
+ /** Number of lines in buffer before excess flood is triggered
+ */
+ unsigned int flood;
+ /** Host mask for this line
+ */
+ std::string host;
+ /** Number of seconds between pings for this line
+ */
+ unsigned int pingtime;
+ /** (Optional) Password for this line
+ */
+ std::string pass;
+
+ /** Threshold value for flood disconnect
+ */
+ unsigned int threshold;
+
+ /** Maximum size of sendq for users in this class (bytes)
+ */
+ unsigned long sendqmax;
+
+ /** Maximum size of recvq for users in this class (bytes)
+ */
+ unsigned long recvqmax;
+
+ /** Local max when connecting by this connection class
+ */
+ unsigned long maxlocal;
+
+ /** Global max when connecting by this connection class
+ */
+ unsigned long maxglobal;
+
+ /** Max channels for this class
+ */
+ unsigned int maxchans;
+
+ /** Port number this connect class applies to
+ */
+ int port;
+
+public:
+
+ /** Create a new connect class with no settings.
+ */
+ ConnectClass() : type(CC_DENY), name("unnamed"), registration_timeout(0), flood(0), host(""), pingtime(0), pass(""),
+ threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0) { }
+
+ /** Create a new connect class to ALLOW connections.
+ * @param thename Name of the connect class
+ * @param timeout The registration timeout
+ * @param fld The flood value
+ * @param hst The IP mask to allow
+ * @param ping The ping frequency
+ * @param pas The password to be used
+ * @param thres The flooding threshold
+ * @param sendq The maximum sendq value
+ * @param recvq The maximum recvq value
+ * @param maxl The maximum local sessions
+ * @param maxg The maximum global sessions
+ */
+ ConnectClass(const std::string &thename, unsigned int timeout, unsigned int fld, const std::string &hst, unsigned int ping,
+ const std::string &pas, unsigned int thres, unsigned long sendq, unsigned long recvq,
+ unsigned long maxl, unsigned long maxg, unsigned int maxc, int p = 0) :
+ type(CC_ALLOW), name(thename), registration_timeout(timeout), flood(fld), host(hst), pingtime(ping), pass(pas),
+ threshold(thres), sendqmax(sendq), recvqmax(recvq), maxlocal(maxl), maxglobal(maxg), maxchans(maxc), port(p) { }
+
+ /** Create a new connect class to DENY connections
+ * @param thename Name of the connect class
+ * @param hst The IP mask to deny
+ */
+ ConnectClass(const std::string &thename, const std::string &hst) : type(CC_DENY), name(thename), registration_timeout(0),
+ flood(0), host(hst), pingtime(0), pass(""), threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0), maxchans(0), port(0) { }
+
+ /* Create a new connect class based on another class
+ * @param thename The name of the connect class
+ * @param source Another connect class to inherit all but the name from
+ */
+ ConnectClass(const std::string &thename, const ConnectClass &source) : type(source.type), name(thename),
+ registration_timeout(source.registration_timeout), flood(source.flood), host(source.host),
+ pingtime(source.pingtime), pass(source.pass), threshold(source.threshold), sendqmax(source.sendqmax),
+ recvqmax(source.recvqmax), maxlocal(source.maxlocal), maxglobal(source.maxglobal), maxchans(source.maxchans),
+ port(source.port)
+ {
+ }
+
+ /* Update an existing entry with new values
+ */
+ void Update(unsigned int timeout, unsigned int fld, const std::string &hst, unsigned int ping,
+ const std::string &pas, unsigned int thres, unsigned long sendq, unsigned long recvq,
+ unsigned long maxl, unsigned long maxg, unsigned int maxc, int p)
+ {
+ if (timeout)
+ registration_timeout = timeout;
+ if (fld)
+ flood = fld;
+ if (!hst.empty())
+ host = hst;
+ if (ping)
+ pingtime = ping;
+ if (!pas.empty())
+ pass = pas;
+ if (thres)
+ threshold = thres;
+ if (sendq)
+ sendqmax = sendq;
+ if (recvq)
+ recvqmax = recvq;
+ if (maxl)
+ maxlocal = maxl;
+ if (maxg)
+ maxglobal = maxg;
+ if (maxc)
+ maxchans = maxc;
+ if (p)
+ port = p;
+ }
+
+ int GetMaxChans()
+ {
+ return maxchans;
+ }
+
+ /** Returns the type, CC_ALLOW or CC_DENY
+ */
+ char GetType()
+ {
+ return (type == CC_ALLOW ? CC_ALLOW : CC_DENY);
+ }
+
+ std::string& GetName()
+ {
+ return name;
+ }
+
+ /** Returns the registration timeout
+ */
+ unsigned int GetRegTimeout()
+ {
+ return (registration_timeout ? registration_timeout : 90);
+ }
+
+ /** Returns the flood limit
+ */
+ unsigned int GetFlood()
+ {
+ return (threshold ? flood : 999);
+ }
+
+ /** Returns the allowed or denied IP mask
+ */
+ const std::string& GetHost()
+ {
+ return host;
+ }
+
+ /** Get port number
+ */
+ int GetPort()
+ {
+ return port;
+ }
+
+ /** Set port number
+ */
+ void SetPort(int p)
+ {
+ port = p;
+ }
+
+ /** Returns the ping frequency
+ */
+ unsigned int GetPingTime()
+ {
+ return (pingtime ? pingtime : 120);
+ }
+
+ /** Returns the password or an empty string
+ */
+ const std::string& GetPass()
+ {
+ return pass;
+ }
+
+ /** Returns the flood threshold value
+ */
+ unsigned int GetThreshold()
+ {
+ return (threshold ? threshold : 1);
+ }
+
+ /** Returns the maximum sendq value
+ */
+ unsigned long GetSendqMax()
+ {
+ return (sendqmax ? sendqmax : 262114);
+ }
+
+ /** Returns the maximum recvq value
+ */
+ unsigned long GetRecvqMax()
+ {
+ return (recvqmax ? recvqmax : 4096);
+ }
+
+ /** Returusn the maximum number of local sessions
+ */
+ unsigned long GetMaxLocal()
+ {
+ return maxlocal;
+ }
+
+ /** Returns the maximum number of global sessions
+ */
+ unsigned long GetMaxGlobal()
+ {
+ return maxglobal;
+ }
+
+ bool operator= (ConnectClass &other)
+ {
+ return (other.GetName() == name);
+ }
+};
+
+/** Holds a complete list of all channels to which a user has been invited and has not yet joined.
+ */
+typedef std::vector<irc::string> InvitedList;
+
+/** Holds a complete list of all allow and deny tags from the configuration file (connection classes)
+ */
+typedef std::vector<ConnectClass> ClassVector;
+
+/** Typedef for the list of user-channel records for a user
+ */
+typedef std::map<chanrec*, char> UserChanList;
+
+/** Shorthand for an iterator into a UserChanList
+ */
+typedef UserChanList::iterator UCListIter;
+
+/* Required forward declaration
+ */
+class userrec;
+
+/** Visibility data for a user.
+ * If a user has a non-null instance of this class in their userrec,
+ * then it is used to determine if this user is visible to other users
+ * or not.
+ */
+class CoreExport VisData
+{
+ public:
+ /** Create a visdata
+ */
+ VisData();
+ /** Destroy a visdata
+ */
+ virtual ~VisData();
+ /** Is this user visible to some other user?
+ * @param user The other user to compare to
+ * @return true True if the user is visible to the other user, false if not
+ */
+ virtual bool VisibleTo(userrec* user);
+};
+
+/** Holds all information about a user
+ * This class stores all information about a user connected to the irc server. Everything about a
+ * connection is stored here primarily, from the user's socket ID (file descriptor) through to the
+ * user's nickname and hostname. Use the FindNick method of the InspIRCd class to locate a specific user
+ * by nickname, or the FindDescriptor method of the InspIRCd class to find a specific user by their
+ * file descriptor value.
+ */
+class CoreExport userrec : public connection
+{
+ private:
+ /** Pointer to creator.
+ * This is required to make use of core functions
+ * from within the userrec class.
+ */
+ InspIRCd* ServerInstance;
+
+ /** 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;
+
+ /** Number of channels this user is currently on
+ */
+ unsigned int ChannelCount;
+
+ /** Cached nick!ident@host value using the real hostname
+ */
+ char* cached_fullhost;
+
+ /** Cached nick!ident@ip value using the real IP address
+ */
+ char* cached_hostip;
+
+ /** Cached nick!ident@host value using the masked hostname
+ */
+ char* cached_makehost;
+
+ /** Cached nick!ident@realhost value using the real hostname
+ */
+ char* cached_fullrealhost;
+
+ /** When we erase the user (in the destructor),
+ * we call this method to subtract one from all
+ * mode characters this user is making use of.
+ */
+ void DecrementModes();
+
+ /** Oper-only quit message for this user if non-null
+ */
+ char* operquit;
+
+ /** Max channels for this user
+ */
+ unsigned int MaxChans;
+
+ public:
+ /** Resolvers for looking up this users IP address
+ * This will occur if and when res_reverse completes.
+ * When this class completes its lookup, userrec::dns_done
+ * will be set from false to true.
+ */
+ UserResolver* res_forward;
+
+ /** Resolvers for looking up this users hostname
+ * This is instantiated by userrec::StartDNSLookup(),
+ * and on success, instantiates userrec::res_reverse.
+ */
+ UserResolver* res_reverse;
+
+ /** User visibility state, see definition of VisData.
+ */
+ VisData* Visibility;
+
+ /** Stored reverse lookup from res_forward
+ */
+ std::string stored_host;
+
+ /** Starts a DNS lookup of the user's IP.
+ * This will cause two UserResolver classes to be instantiated.
+ * When complete, these objects set userrec::dns_done to true.
+ */
+ void StartDNSLookup();
+
+ unsigned int GetMaxChans();
+
+ /** The users nickname.
+ * An invalid nickname indicates an unregistered connection prior to the NICK command.
+ * Use InspIRCd::IsNick() to validate nicknames.
+ */
+ char nick[NICKMAX];
+
+ /** The user's unique identifier.
+ * This is the unique identifier which the user has across the network.
+ */
+ char uuid[UUID_LENGTH];
+
+ /** The users ident reply.
+ * Two characters are added to the user-defined limit to compensate for the tilde etc.
+ */
+ char ident[IDENTMAX+2];
+
+ /** The host displayed to non-opers (used for cloaking etc).
+ * This usually matches the value of userrec::host.
+ */
+ char dhost[65];
+
+ /** The users full name (GECOS).
+ */
+ char fullname[MAXGECOS+1];
+
+ /** The user's mode list.
+ * This is NOT a null terminated string! In the 1.1 version of InspIRCd
+ * this is an array of values in a similar way to channel modes.
+ * A value of 1 in field (modeletter-65) indicates that the mode is
+ * set, for example, to work out if mode +s is set, we check the field
+ * userrec::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.
+ */
+ char modes[64];
+
+ /** What snomasks are set on this user.
+ * This functions the same as the above modes.
+ */
+ char snomasks[64];
+
+ /** Channels this user is on, and the permissions they have there
+ */
+ UserChanList chans;
+
+ /** The server the user is connected to.
+ */
+ const char* server;
+
+ /** The user's away message.
+ * If this string is empty, the user is not marked as away.
+ */
+ char awaymsg[MAXAWAY+1];
+
+ /** Number of lines the user can place into the buffer
+ * (up to the global NetBufferSize bytes) before they
+ * are disconnected for excess flood
+ */
+ int flood;
+
+ /** Timestamp of current time + connection class timeout.
+ * This user must send USER/NICK before this timestamp is
+ * reached or they will be disconnected.
+ */
+ time_t timeout;
+
+ /** The oper type they logged in as, if they are an oper.
+ * This is used to check permissions in operclasses, so that
+ * we can say 'yay' or 'nay' to any commands they issue.
+ * The value of this is the value of a valid 'type name=' tag.
+ */
+ char oper[NICKMAX];
+
+ /** True when DNS lookups are completed.
+ * The UserResolver classes res_forward and res_reverse will
+ * set this value once they complete.
+ */
+ bool dns_done;
+
+ /** Number of seconds between PINGs for this user (set from <connect:allow> tag
+ */
+ unsigned int pingmax;
+
+ /** Password specified by the user when they registered.
+ * This is stored even if the <connect> block doesnt need a password, so that
+ * modules may check it.
+ */
+ char password[64];
+
+ /** User's receive queue.
+ * Lines from the IRCd awaiting processing are stored here.
+ * Upgraded april 2005, old system a bit hairy.
+ */
+ std::string recvq;
+
+ /** User's send queue.
+ * Lines waiting to be sent are stored here until their buffer is flushed.
+ */
+ std::string sendq;
+
+ /** Flood counters - lines received
+ */
+ int lines_in;
+
+ /** Flood counters - time lines_in is due to be reset
+ */
+ time_t reset_due;
+
+ /** Flood counters - Highest value lines_in may reach before the user gets disconnected
+ */
+ long threshold;
+
+ /** If this is set to true, then all read operations for the user
+ * are dropped into the bit-bucket.
+ * This is used by the global CullList, but please note that setting this value
+ * alone will NOT cause the user to quit. This means it can be used seperately,
+ * for example by shun modules etc.
+ */
+ bool muted;
+
+ /** IPV4 or IPV6 ip address. Use SetSockAddr to set this and GetProtocolFamily/
+ * GetIPString/GetPort to obtain its values.
+ */
+ sockaddr* ip;
+
+ /** Initialize the clients sockaddr
+ * @param protocol_family The protocol family of the IP address, AF_INET or AF_INET6
+ * @param ip A human-readable IP address for this user matching the protcol_family
+ * @param port The port number of this user or zero for a remote user
+ */
+ void SetSockAddr(int protocol_family, const char* ip, int port);
+
+ /** Get port number from sockaddr
+ * @return The port number of this user.
+ */
+ int GetPort();
+
+ /** Get protocol family from sockaddr
+ * @return The protocol family of this user, either AF_INET or AF_INET6
+ */
+ int GetProtocolFamily();
+
+ /** Get IP string from sockaddr, using static internal buffer
+ * @return The IP string
+ */
+ const char* GetIPString();
+
+ /** Get IP string from sockaddr, using caller-specified buffer
+ * @param buf A buffer to use
+ * @return The IP string
+ */
+ const char* GetIPString(char* buf);
+
+ /* Write error string
+ */
+ std::string WriteError;
+
+ /** Maximum size this user's sendq can become.
+ * Copied from the connect class on connect.
+ */
+ long sendqmax;
+
+ /** Maximum size this user's recvq can become.
+ * Copied from the connect class on connect.
+ */
+ long recvqmax;
+
+ /** This is true if the user matched an exception when they connected to the ircd.
+ * It isnt valid after this point, and you should not attempt to do anything with it
+ * after this point, because the eline might be removed at a later time, and/or no
+ * longer be applicable to this user. It is only used to save doing the eline lookup
+ * twice (instead we do it once and set this value).
+ */
+ bool exempt;
+
+ /** Default constructor
+ * @throw CoreException if the UID allocated to the user already exists
+ * @param Instance Creator instance
+ * @param uid User UUID, or empty to allocate one automatically
+ */
+ userrec(InspIRCd* Instance, const std::string &uid = "");
+
+ /** 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.
+ * @return The full masked host of the user
+ */
+ virtual char* 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,
+ * e.g. through a module, then this method will ignore it and return the true hostname.
+ * @return The full real host of the user
+ */
+ virtual char* GetFullRealHost();
+
+ /** This clears any cached results that are used for GetFullRealHost() etc.
+ * The results of these calls are cached as generating them can be generally expensive.
+ */
+ void InvalidateCache();
+
+ /** Create a displayable mode string for this users snomasks
+ * @return The notice mask character sequence
+ */
+ const char* FormatNoticeMasks();
+
+ /** 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
+ */
+ std::string ProcessNoticeMasks(const char *sm);
+
+ /** Returns true if a notice mask is set
+ * @param sm A notice mask character to check
+ * @return True if the notice mask is set
+ */
+ 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
+ */
+ const char* FormatModes();
+
+ /** Returns true if a specific mode is set
+ * @param m The user mode
+ * @return True if the mode is set
+ */
+ bool IsModeSet(unsigned char m);
+
+ /** 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);
+
+ /** Returns true if a user is invited to a channel.
+ * @param channel A channel name to look up
+ * @return True if the user is invited to the given channel
+ */
+ virtual 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
+ */
+ virtual void InviteTo(const irc::string &channel);
+
+ /** 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
+ */
+ virtual void RemoveInvite(const irc::string &channel);
+
+ /** Returns true or false for if a user can execute a privilaged oper command.
+ * This is done by looking up their oper type from userrec::oper, then referencing
+ * this to their oper classes and checking the commands they can execute.
+ * @param command A command (should be all CAPS)
+ * @return True if this user can execute the command
+ */
+ bool HasPermission(const std::string &command);
+
+ /** Calls read() to read some data for this user using their fd.
+ * @param buffer The buffer to read into
+ * @param size The size of data to read
+ * @return The number of bytes read, or -1 if an error occured.
+ */
+ int ReadData(void* buffer, size_t size);
+
+ /** This method adds data to the read buffer of the user.
+ * The buffer can grow to any size within limits of the available memory,
+ * managed by the size of a std::string, however if any individual line in
+ * the buffer grows over 600 bytes in length (which is 88 chars over the
+ * RFC-specified limit per line) then the method will return false and the
+ * text will not be inserted.
+ * @param a The string to add to the users read buffer
+ * @return True if the string was successfully added to the read buffer
+ */
+ bool AddBuffer(std::string a);
+
+ /** This method returns true if the buffer contains at least one carriage return
+ * character (e.g. one complete line may be read)
+ * @return True if there is at least one complete line in the users buffer
+ */
+ bool BufferIsReady();
+
+ /** This function clears the entire buffer by setting it to an empty string.
+ */
+ void ClearBuffer();
+
+ /** This method returns the first available string at the tail end of the buffer
+ * and advances the tail end of the buffer past the string. This means it is
+ * a one way operation in a similar way to strtok(), and multiple calls return
+ * multiple lines if they are available. The results of this function if there
+ * are no lines to be read are unknown, always use BufferIsReady() to check if
+ * it is ok to read the buffer before calling GetBuffer().
+ * @return The string at the tail end of this users buffer
+ */
+ std::string GetBuffer();
+
+ /** Sets the write error for a connection. This is done because the actual disconnect
+ * of a client may occur at an inopportune time such as half way through /LIST output.
+ * The WriteErrors of clients are checked at a more ideal time (in the mainloop) and
+ * errored clients purged.
+ * @param error The error string to set.
+ */
+ void SetWriteError(const std::string &error);
+
+ /** Returns the write error which last occured on this connection or an empty string
+ * if none occured.
+ * @return The error string which has occured for this user
+ */
+ const char* GetWriteError();
+
+ /** Adds to the user's write buffer.
+ * You may add any amount of text up to this users sendq value, if you exceed the
+ * sendq value, SetWriteError() will be called to set the users error string to
+ * "SendQ exceeded", and further buffer adds will be dropped.
+ * @param data The data to add to the write buffer
+ */
+ void AddWriteBuf(const std::string &data);
+
+ /** Flushes as much of the user's buffer to the file descriptor as possible.
+ * This function may not always flush the entire buffer, rather instead as much of it
+ * as it possibly can. If the send() call fails to send the entire buffer, the buffer
+ * position is advanced forwards and the rest of the data sent at the next call to
+ * this method.
+ */
+ void FlushWriteBuf();
+
+ /** 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();
+
+ /** 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
+ */
+ char* 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
+ */
+ char* MakeHostIP();
+
+ /** Shuts down and closes the user's socket
+ * This will not cause the user to be deleted. Use InspIRCd::QuitUser for this,
+ * which will call CloseSocket() for you.
+ */
+ void CloseSocket();
+
+ /** Disconnect a user gracefully
+ * @param user The user to remove
+ * @param r The quit reason to show to normal users
+ * @param oreason The quit reason to show to opers
+ * @return Although this function has no return type, on exit the user provided will no longer exist.
+ */
+ static void QuitUser(InspIRCd* Instance, userrec *user, const std::string &r, const char* oreason = "");
+
+ /** Add the user to WHOWAS system
+ */
+ void AddToWhoWas();
+
+ /** Oper up the user using the given opertype.
+ * This will also give the +o usermode.
+ * @param opertype The oper type to oper as
+ */
+ void Oper(const std::string &opertype);
+
+ /** Call this method to find the matching <connect> for a user, and to check them against it.
+ */
+ void CheckClass(const std::string &explicit_class = "");
+
+ /** Use this method to fully connect a user.
+ * This will send the message of the day, check G/K/E lines, etc.
+ */
+ void FullConnect();
+
+ /** Change this users hash key to a new string.
+ * You should not call this function directly. It is used by the core
+ * to update the users hash entry on a nickchange.
+ * @param New new user_hash key
+ * @return Pointer to userrec in hash (usually 'this')
+ */
+ userrec* UpdateNickHash(const char* New);
+
+ /** Force a nickname change.
+ * If the nickname change fails (for example, because the nick in question
+ * already exists) this function will return false, and you must then either
+ * output an error message, or quit the user for nickname collision.
+ * @param newnick The nickname to change to
+ * @return True if the nickchange was successful.
+ */
+ bool ForceNickChange(const char* newnick);
+
+ /** Add a client to the system.
+ * This will create a new userrec, insert it into the user_hash,
+ * initialize it as not yet registered, and add it to the socket engine.
+ * @param Instance a pointer to the server instance
+ * @param socket The socket id (file descriptor) this user is on
+ * @param port The port number this user connected on
+ * @param iscached This variable is reserved for future use
+ * @param ip The IP address of the user
+ * @return This function has no return value, but a call to AddClient may remove the user.
+ */
+ static void AddClient(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip);
+
+ /** Oper down.
+ * This will clear the +o usermode and unset the user's oper type
+ */
+ void UnOper();
+
+ /** Return the number of global clones of this user
+ * @return The global clone count of this user
+ */
+ unsigned long GlobalCloneCount();
+
+ /** Return the number of local clones of this user
+ * @return The local clone count of this user
+ */
+ unsigned long LocalCloneCount();
+
+ /** Remove all clone counts from the user, you should
+ * use this if you change the user's IP address in
+ * userrec::ip after they have registered.
+ */
+ void RemoveCloneCounts();
+
+ /** Write text to this user, appending CR/LF.
+ * @param text A std::string to send to the user
+ */
+ void Write(std::string text);
+
+ /** Write text to this user, appending CR/LF.
+ * @param text The format string for text to send to the user
+ * @param ... POD-type format arguments
+ */
+ void Write(const char *text, ...);
+
+ /** Write text to this user, appending CR/LF and prepending :server.name
+ * @param text A std::string to send to the user
+ */
+ void WriteServ(const std::string& text);
+
+ /** Write text to this user, appending CR/LF and prepending :server.name
+ * @param text The format string for text to send to the user
+ * @param ... POD-type format arguments
+ */
+ void WriteServ(const char* 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
+ * @param text A std::string to send to the user
+ */
+ void WriteFrom(userrec *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
+ * @param text The format string for text to send to the user
+ * @param ... POD-type format arguments
+ */
+ void WriteFrom(userrec *user, const char* text, ...);
+
+ /** 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
+ */
+ void WriteTo(userrec *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.
+ * @param dest The user to route the message to
+ * @param text The format string for text to send to the user
+ * @param ... POD-type format arguments
+ */
+ void WriteTo(userrec *dest, const char *data, ...);
+
+ /** 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
+ */
+ void WriteCommon(const std::string &text);
+
+ /** Write to all users that can see this user (including this user in the list), appending CR/LF
+ * @param text The format string for text to send to the users
+ * @param ... POD-type format arguments
+ */
+ void WriteCommon(const char* text, ...);
+
+ /** Write to all users that can see this user (not including this user in the list), appending CR/LF
+ * @param text The format string for text to send to the users
+ * @param ... POD-type format arguments
+ */
+ void WriteCommonExcept(const char* text, ...);
+
+ /** Write to all users that can see this user (not including this user in the list), appending CR/LF
+ * @param text A std::string to send to the users
+ */
+ void WriteCommonExcept(const std::string &text);
+
+ /** Write a quit message to all common users, as in userrec::WriteCommonExcept but with a specific
+ * quit message for opers only.
+ * @param normal_text Normal user quit message
+ * @param oper_text Oper only quit message
+ */
+ void WriteCommonQuit(const std::string &normal_text, const std::string &oper_text);
+
+ /** Write a WALLOPS message from this user to all local opers.
+ * If this user is not opered, the function will return without doing anything.
+ * @param text The format string to send in the WALLOPS message
+ * @param ... Format arguments
+ */
+ void WriteWallOps(const char* text, ...);
+
+ /** Write a WALLOPS message from this user to all local opers.
+ * If this user is not opered, the function will return without doing anything.
+ * @param text The text to send in the WALLOPS message
+ */
+ void WriteWallOps(const std::string &text);
+
+ /** Return true if the user shares at least one channel with another user
+ * @param other The other user to compare the channel list against
+ * @return True if the given user shares at least one channel with this user
+ */
+ bool SharesChannelWith(userrec *other);
+
+ /** Change the displayed host of a user.
+ * ALWAYS use this function, rather than writing userrec::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.
+ * @param host The new hostname to set
+ * @return True if the change succeeded, false if it didn't
+ */
+ bool ChangeDisplayedHost(const char* host);
+
+ /** Change the ident (username) of a user.
+ * ALWAYS use this function, rather than writing userrec::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
+ * @return True if the change succeeded, false if it didn't
+ */
+ bool ChangeIdent(const char* newident);
+
+ /** Change a users realname field.
+ * ALWAYS use this function, rather than writing userrec::fullname directly,
+ * as this triggers module events allowing the change to be syncronized to
+ * remote servers.
+ * @param gecos The user's new realname
+ * @return True if the change succeeded, false if otherwise
+ */
+ bool ChangeName(const char* gecos);
+
+ /** Send a command to all local users from this user
+ * The command given must be able to send text with the
+ * first parameter as a servermask (e.g. $*), so basically
+ * you should use PRIVMSG or NOTICE.
+ * @param command the command to send
+ * @param text The text format string to send
+ * @param ... Format arguments
+ */
+ void SendAll(const char* command, char* text, ...);
+
+ /** Compile a channel list for this user, and send it to the user 'source'
+ * Used internally by WHOIS
+ * @param The user to send the channel list to if it is not too long
+ * @return This user's channel list
+ */
+ std::string ChannelList(userrec* source);
+
+ /** 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 userrec::ChannelList()
+ */
+ void SplitChanList(userrec* 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 matches this user's host or IP address
+ * @param explicit_name Set this string to tie the user to a specific class name
+ * @return A reference to this user's connect class
+ */
+ ConnectClass* GetClass(const std::string &explicit_name = "");
+
+ /** Show the message of the day to this user
+ */
+ void ShowMOTD();
+
+ /** Show the server RULES file to this user
+ */
+ void ShowRULES();
+
+ /** Set oper-specific quit message shown to opers only when the user quits
+ * (overrides any sent by QuitUser)
+ */
+ void SetOperQuit(const std::string &oquit);
+
+ /** Get oper-specific quit message shown only to opers when the user quits.
+ * (overrides any sent by QuitUser)
+ */
+ const char* GetOperQuit();
+
+ /** Handle socket event.
+ * From EventHandler class.
+ * @param et Event type
+ * @param errornum Error number for EVENT_ERROR events
+ */
+ void HandleEvent(EventType et, int errornum = 0);
+
+ /** Default destructor
+ */
+ virtual ~userrec();
+};
+
+/* Configuration callbacks */
+class ServerConfig;
+
+#endif
+