X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Finspircd.h;h=b4fd12026a2b35667d06a999cdc1b29ff808a1b6;hb=db2a4c2c15bb170464bbff464d7cc79cd098df26;hp=5fd641c6b3b36d17ee70669c0b88cafee12279a1;hpb=bfaf7e3b27981a5144faba6d17c6e29fac735dbb;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/inspircd.h b/include/inspircd.h index 5fd641c6b..b4fd12026 100644 --- a/include/inspircd.h +++ b/include/inspircd.h @@ -2,8 +2,8 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd: (C) 2002-2008 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * InspIRCd: (C) 2002-2010 InspIRCd Development Team + * See: http://wiki.inspircd.org/Credits * * This program is free but copyrighted software; see * the file COPYING for details. @@ -14,28 +14,60 @@ #ifndef __INSPIRCD_H__ #define __INSPIRCD_H__ +#define _FILE_OFFSET_BITS 64 +#ifndef _LARGEFILE_SOURCE +#define _LARGEFILE_SOURCE +#endif + #ifndef WIN32 -#define DllExport -#define CoreExport +#define DllExport +#define CoreExport #define printf_c printf #else #include "inspircd_win32wrapper.h" /** Windows defines these already */ -#undef DELETE #undef ERROR #endif +#ifdef __GNUC__ +#define CUSTOM_PRINTF(STRING, FIRST) __attribute__((format(printf, STRING, FIRST))) +#else +#define CUSTOM_PRINTF(STRING, FIRST) +#endif + // Required system headers. +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include #include -#include - #include "inspircd_config.h" +#include "inspircd_version.h" +#include "typedefs.h" + +CoreExport extern InspIRCd* ServerInstance; + +#include "caller.h" +#include "cull_list.h" +#include "extensible.h" +#include "numerics.h" #include "uid.h" #include "users.h" #include "channels.h" #include "timer.h" #include "hashcomp.h" -#include "typedefs.h" #include "logger.h" #include "usermanager.h" #include "socket.h" @@ -44,12 +76,18 @@ #include "mode.h" #include "socketengine.h" #include "snomasks.h" -#include "cull_list.h" #include "filelogger.h" #include "caller.h" #include "modules.h" +#include "threadengine.h" #include "configreader.h" #include "inspstring.h" +#include "protocol.h" + +#ifndef PATH_MAX +#warning Potentially broken system, PATH_MAX undefined +#define PATH_MAX 4096 +#endif /** * Used to define the maximum number of parameters a command may have. @@ -136,36 +174,14 @@ template inline long ConvToInt(const T &in) { std::stringstream tmp; if (!(tmp << in)) return 0; - return atoi(tmp.str().c_str()); -} - -/** Template function to convert integer to char, storing result in *res and - * also returning the pointer to res. Based on Stuart Lowe's C/C++ Pages. - * @param T input value - * @param V result value - * @param R base to convert to - */ -template inline char* itoa(const T &in, V *res, R base) -{ - if (base < 2 || base > 16) { *res = 0; return res; } - char* out = res; - int quotient = in; - while (quotient) { - *out = "0123456789abcdef"[ std::abs( quotient % base ) ]; - ++out; - quotient /= base; - } - if ( in < 0 && base == 10) *out++ = '-'; - std::reverse( res, out ); - *out = 0; - return res; + return atol(tmp.str().c_str()); } /** This class contains various STATS counters * It is used by the InspIRCd class, which internally * has an instance of it. */ -class serverstats : public classbase +class serverstats { public: /** Number of accepted connections @@ -207,7 +223,7 @@ class serverstats : public classbase timeval LastCPU; /** Time last sample was read */ - timeval LastSampled; + timespec LastSampled; /** The constructor initializes all the counts to zero */ serverstats() @@ -217,35 +233,21 @@ class serverstats : public classbase } }; -/** A list of failed port bindings, used for informational purposes on startup */ -typedef std::vector > FailedPortList; - -class InspIRCd; - -DEFINE_HANDLER1(ProcessUserHandler, void, User*); -DEFINE_HANDLER1(IsNickHandler, bool, const char*); +DEFINE_HANDLER2(IsNickHandler, bool, const char*, size_t); +DEFINE_HANDLER2(GenRandomHandler, void, char*, size_t); DEFINE_HANDLER1(IsIdentHandler, bool, const char*); -DEFINE_HANDLER1(FindDescriptorHandler, User*, int); DEFINE_HANDLER1(FloodQuitUserHandler, void, User*); - -/* Forward declaration - required */ -class XLineManager; -class BanCacheManager; +DEFINE_HANDLER2(IsChannelHandler, bool, const char*, size_t); +DEFINE_HANDLER1(IsSIDHandler, bool, const std::string&); +DEFINE_HANDLER1(RehashHandler, void, const std::string&); /** The main class of the irc server. - * This class contains instances of all the other classes - * in this software, with the exception of the base class, - * classbase. Amongst other things, it contains a ModeParser, - * a DNS object, a CommandParser object, and a list of active - * Module objects, and facilities for Module objects to - * interact with the core system it implements. You should - * NEVER attempt to instantiate a class of type InspIRCd - * yourself. If you do, this is equivalent to spawning a second - * IRC server, and could have catastrophic consequences for the - * program in terms of ram usage (basically, you could create - * an obese forkbomb built from recursively spawning irc servers!) + * This class contains instances of all the other classes in this software. + * Amongst other things, it contains a ModeParser, a DNS object, a CommandParser + * object, and a list of active Module objects, and facilities for Module + * objects to interact with the core system it implements. */ -class CoreExport InspIRCd : public classbase +class CoreExport InspIRCd { private: /** Holds the current UID. Used to generate the next one. @@ -266,9 +268,9 @@ class CoreExport InspIRCd : public classbase */ void DoSocketTimeouts(time_t TIME); - /** Sets up UID subsystem + /** Increments the current UID by one. */ - void InitialiseUID(); + void IncrementUID(int pos); /** Perform background user events such as PING checks */ @@ -278,37 +280,17 @@ class CoreExport InspIRCd : public classbase * @param user The user to verify * @return True if all modules have finished checking this user */ - bool AllModulesReportReady(User* user); - - /** Logfile pathname specified on the commandline, or empty string - */ - char LogFileName[MAXBUF]; + bool AllModulesReportReady(LocalUser* user); /** The current time, updated in the mainloop */ - time_t TIME; + struct timespec TIME; - /** The time that was recorded last time around the mainloop - */ - time_t OLDTIME; - - /** A 64k buffer used to read client lines into + /** A 64k buffer used to read socket data into + * NOTE: update ValidateNetBufferSize if you change this */ char ReadBuffer[65535]; - /** Used when connecting clients - */ - irc::sockets::insp_sockaddr client, server; - - /** Used when connecting clients - */ - socklen_t length; - - /** Time offset in seconds - * This offset is added to all calls to Time(). Use SetTimeDelta() to update - */ - int time_delta; - #ifdef WIN32 IPC* WindowsIPC; #endif @@ -318,19 +300,18 @@ class CoreExport InspIRCd : public classbase /** Global cull list, will be processed on next iteration */ CullList GlobalCulls; + /** Actions that must happen outside of the current call stack */ + ActionList AtomicActions; /**** Functors ****/ - ProcessUserHandler HandleProcessUser; IsNickHandler HandleIsNick; IsIdentHandler HandleIsIdent; - FindDescriptorHandler HandleFindDescriptor; FloodQuitUserHandler HandleFloodQuitUser; - - /** BufferedSocket classes pending deletion after being closed. - * We don't delete these immediately as this may cause a segmentation fault. - */ - std::map SocketCull; + IsChannelHandler HandleIsChannel; + IsSIDHandler HandleIsSID; + RehashHandler HandleRehash; + GenRandomHandler HandleGenRandom; /** Globally accessible fake user record. This is used to force mode changes etc across s2s, etc.. bit ugly, but.. better than how this was done in 1.1 * Reason for it: @@ -340,7 +321,7 @@ class CoreExport InspIRCd : public classbase * hash and set its descriptor to FD_MAGIC_NUMBER so the data * falls into the abyss :p */ - User *FakeClient; + FakeUser* FakeClient; /** Returns the next available UID for this server. */ @@ -350,29 +331,27 @@ class CoreExport InspIRCd : public classbase * @param nick The nickname to find * @return A pointer to the user, or NULL if the user does not exist */ - User *FindUUID(const std::string &); + User* FindUUID(const std::string &); /** Find a user in the UUID hash * @param nick The nickname to find * @return A pointer to the user, or NULL if the user does not exist */ - User *FindUUID(const char *); + User* FindUUID(const char *); /** Build the ISUPPORT string by triggering all modules On005Numeric events */ void BuildISupport(); - /** List of server names we've seen. - */ - servernamelist servernames; - /** Time this ircd was booted */ time_t startup_time; /** Config file pathname specified on the commandline or via ./configure */ - char ConfigFileName[MAXBUF]; + std::string ConfigFileName; + + ExtensionManager Extensions; /** Mode handler, handles mode setting and removal */ @@ -386,10 +365,18 @@ class CoreExport InspIRCd : public classbase */ SocketEngine* SE; + /** Thread engine, Handles threading where required + */ + ThreadEngine* Threads; + + /** The thread/class used to read config files in REHASH and on startup + */ + ConfigReaderThread* ConfigThread; + /** LogManager handles logging. */ LogManager *Logs; - + /** ModuleManager contains everything related to loading/unloading * modules. */ @@ -433,44 +420,55 @@ class CoreExport InspIRCd : public classbase */ chan_hash* chanlist; + /** List of the open ports + */ + std::vector ports; + /** Set to the current signal recieved */ int s_signal; + /** Protocol interface, overridden by server protocol modules + */ + ProtocolInterface* PI; + + /** Holds extensible for user nickforced + */ + LocalIntExt NICKForced; + + /** Holds extensible for user operquit + */ + LocalStringExt OperQuit; + /** Get the current time * Because this only calls time() once every time around the mainloop, * it is much faster than calling time() directly. - * @param delta True to use the delta as an offset, false otherwise * @return The current time as an epoch value (time_t) */ - time_t Time(bool delta = false); + inline time_t Time() { return TIME.tv_sec; } + /** The fractional time at the start of this mainloop iteration (nanoseconds) */ + inline long Time_ns() { return TIME.tv_nsec; } + /** Update the current time. Don't call this unless you have reason to do so. */ + void UpdateTime(); - /** Set the time offset in seconds - * This offset is added to Time() to offset the system time by the specified - * number of seconds. - * @param delta The number of seconds to offset - * @return The old time delta + /** Generate a random string with the given length + * @param length The length in bytes + * @param printable if false, the string will use characters 0-255; otherwise, + * it will be limited to 0x30-0x7E ('0'-'~', nonspace printable characters) */ - int SetTimeDelta(int delta); - - /** Get the time offset in seconds - * @return The current time delta (in seconds) + std::string GenRandomStr(int length, bool printable = true); + /** Generate a random integer. + * This is generally more secure than rand() */ - int GetTimeDelta(); + unsigned long GenRandomInt(unsigned long max); - /** Process a user whos socket has been flagged as active - * @param cu The user to process - * @return There is no actual return value, however upon exit, the user 'cu' may have been - * marked for deletion in the global CullList. - */ - caller1 ProcessUser; + /** Fill a buffer with random bits */ + caller2 GenRandom; /** Bind all ports specified in the configuration file. - * @param bail True if the function should bail back to the shell on failure - * @param found_ports The actual number of ports found in the config, as opposed to the number actually bound - * @return The number of ports actually bound without error + * @return The number of ports bound without error */ - int BindPorts(bool bail, int &found_ports, FailedPortList &failed_ports); + int BindPorts(FailedPortList &failed_ports); /** Binds a socket on an already open file descriptor * @param sockfd A valid file descriptor of an open socket @@ -480,24 +478,6 @@ class CoreExport InspIRCd : public classbase */ bool BindSocket(int sockfd, int port, const char* addr, bool dolisten = true); - /** Adds a server name to the list of servers we've seen - * @param The servername to add - */ - void AddServerName(const std::string &servername); - - /** Finds a cached char* pointer of a server name, - * This is used to optimize User by storing only the pointer to the name - * @param The servername to find - * @return A pointer to this name, gauranteed to never become invalid - */ - const char* FindServerNamePtr(const std::string &servername); - - /** Returns true if we've seen the given server name before - * @param The servername to find - * @return True if we've seen this server name before - */ - bool FindServerName(const std::string &servername); - /** Gets the GECOS (description) field of the given server. * If the servername is not that of the local server, the name * is passed to handling modules which will attempt to determine @@ -505,7 +485,7 @@ class CoreExport InspIRCd : public classbase * @param servername The servername to find the description of * @return The description of this server, or of the local server */ - std::string GetServerDescription(const char* servername); + std::string GetServerDescription(const std::string& servername); /** Find a user in the nick hash. * If the user cant be found in the nick hash check the uuid hash @@ -541,11 +521,6 @@ class CoreExport InspIRCd : public classbase */ Channel* FindChan(const char* chan); - /** Check for a 'die' tag in the config file, and abort if found - * @return Depending on the configuration, this function may never return - */ - void CheckDie(); - /** Check we aren't running as root, and exit if we are * @return Depending on the configuration, this function may never return */ @@ -562,23 +537,23 @@ class CoreExport InspIRCd : public classbase * @param chname A channel name to verify * @return True if the name is valid */ - bool IsChannel(const char *chname); + caller2 IsChannel; /** Return true if str looks like a server ID * @param string to check against */ - bool IsSID(const std::string &str); + caller1 IsSID; /** Rehash the local server */ - void Rehash(); + caller1 Rehash; /** Handles incoming signals after being set * @param signal the signal recieved */ void SignalHandler(int signal); - /** Sets the signal recieved + /** Sets the signal recieved * @param signal the signal recieved */ static void SetSignal(int signal); @@ -610,7 +585,7 @@ class CoreExport InspIRCd : public classbase * @param n A nickname to verify * @return True if the nick is valid */ - caller1 IsNick; + caller2 IsNick; /** Return true if an ident is valid * @param An ident to verify @@ -618,13 +593,6 @@ class CoreExport InspIRCd : public classbase */ caller1 IsIdent; - /** Find a username by their file descriptor. - * It is preferred to use this over directly accessing the fd_ref_table array. - * @param socket The file descriptor of a user - * @return A pointer to the user if the user exists locally on this descriptor - */ - caller1 FindDescriptor; - /** Add a dns Resolver class to this server's active set * @param r The resolver to add * @param cached If this value is true, then the cache will @@ -647,25 +615,43 @@ class CoreExport InspIRCd : public classbase * @param f A Command command handler object to add * @throw ModuleException Will throw ModuleExcption if the command already exists */ - void AddCommand(Command *f); + inline void AddCommand(Command *f) + { + Modules->AddService(*f); + } /** Send a modechange. * The parameters provided are identical to that sent to the * handler for class cmd_mode. * @param parameters The mode parameters - * @param pcnt The number of items you have given in the first parameter * @param user The user to send error messages to */ - void SendMode(const char **parameters, int pcnt, User *user); + void SendMode(const std::vector& parameters, User *user); - /** Match two strings using pattern matching. - * This operates identically to the global function match(), - * except for that it takes std::string arguments rather than - * const char* ones. - * @param sliteral The literal string to match against - * @param spattern The pattern to match against. CIDR and globs are supported. + /** Send a modechange and route it to the network. + * The parameters provided are identical to that sent to the + * handler for class cmd_mode. + * @param parameters The mode parameters + * @param user The user to send error messages to + */ + void SendGlobalMode(const std::vector& parameters, User *user); + + /** Match two strings using pattern matching, optionally, with a map + * to check case against (may be NULL). If map is null, match will be case insensitive. + * @param str The literal string to match against + * @param mask The glob pattern to match against. */ - bool MatchText(const std::string &sliteral, const std::string &spattern); + static bool Match(const std::string &str, const std::string &mask, unsigned const char *map = NULL); + static bool Match(const char *str, const char *mask, unsigned const char *map = NULL); + + /** Match two strings using pattern matching, optionally, with a map + * to check case against (may be NULL). If map is null, match will be case insensitive. + * Supports CIDR patterns as well as globs. + * @param str The literal string to match against + * @param mask The glob or CIDR pattern to match against. + */ + static bool MatchCIDR(const std::string &str, const std::string &mask, unsigned const char *map = NULL); + static bool MatchCIDR(const char *str, const char *mask, unsigned const char *map = NULL); /** Call the handler for a given command. * @param commandname The command whos handler you wish to call @@ -674,7 +660,7 @@ class CoreExport InspIRCd : public classbase * @param user The user to execute the command as * @return True if the command handler was called successfully */ - CmdResult CallCommandHandler(const std::string &commandname, const char** parameters, int pcnt, User* user); + CmdResult CallCommandHandler(const std::string &commandname, const std::vector& parameters, User* user); /** Return true if the command is a module-implemented command and the given parameters are valid for it * @param parameters The mode parameters @@ -694,19 +680,6 @@ class CoreExport InspIRCd : public classbase */ void RehashServer(); - /** Return the channel whos index number matches that provided - * @param The index number of the channel to fetch - * @return A channel record, or NUll if index < 0 or index >= InspIRCd::ChannelCount() - */ - Channel* GetChannelIndex(long index); - - /** Dump text to a user target, splitting it appropriately to fit - * @param User the user to dump the text to - * @param LinePrefix text to prefix each complete line with - * @param TextStream the text to send to the user - */ - void DumpText(User* User, const std::string &LinePrefix, std::stringstream &TextStream); - /** Check if the given nickmask matches too many users, send errors to the given user * @param nick A nickmask to match against * @param user A user to send error text to @@ -744,24 +717,19 @@ class CoreExport InspIRCd : public classbase * @param hashtype The hash from the config file * @return 0 if the strings match, 1 or -1 if they do not */ - int PassCompare(Extensible* ex, const char* data,const char* input, const char* hashtype); + int PassCompare(Extensible* ex, const std::string &data, const std::string &input, const std::string &hashtype); /** Check if a given server is a uline. * An empty string returns true, this is by design. * @param server The server to check for uline status * @return True if the server is a uline OR the string is empty */ - bool ULine(const char* server); + bool ULine(const std::string& server); /** Returns true if the uline is 'silent' (doesnt generate * remote connect notices etc). */ - bool SilentULine(const char* server); - - /** Returns the subversion revision ID of this ircd - * @return The revision ID or an empty string - */ - std::string GetRevision(); + bool SilentULine(const std::string& server); /** Returns the full version string of this ircd * @return The version string @@ -783,23 +751,6 @@ class CoreExport InspIRCd : public classbase */ InspIRCd(int argc, char** argv); - /** Output a log message to the ircd.log file - * The text will only be output if the current loglevel - * is less than or equal to the level you provide - * @param level A log level from the DebugLevel enum - * @param text Format string of to write to the log - * @param ... Format arguments of text to write to the log - */ - void Log(int level, const char* text, ...); - - /** Output a log message to the ircd.log file - * The text will only be output if the current loglevel - * is less than or equal to the level you provide - * @param level A log level from the DebugLevel enum - * @param text Text to write to the log - */ - void Log(int level, const std::string &text); - /** Send a line of WHOIS data to a user. * @param user user to send the line to * @param dest user being WHOISed @@ -815,7 +766,15 @@ class CoreExport InspIRCd : public classbase * @param format Format string for the numeric * @param ... Parameters for the format string */ - void SendWhoisLine(User* user, User* dest, int numeric, const char* format, ...); + void SendWhoisLine(User* user, User* dest, int numeric, const char* format, ...) CUSTOM_PRINTF(5, 6); + + /** Handle /STATS + */ + void DoStats(char statschar, User* user, string_list &results); + + /** Handle /WHOIS + */ + void DoWhois(User* user, User* dest,unsigned long signon, unsigned long idle, const char* nick); /** Quit a user for excess flood, and if they are not * fully registered yet, temporarily zline their IP. @@ -859,10 +818,9 @@ class CoreExport InspIRCd : public classbase */ int Run(); - /** Force all BufferedSockets to be removed which are due to - * be culled. + /** Adds an extban char to the 005 token. */ - void BufferedSocketCull(); + void AddExtBanChar(char c); char* GetReadBuffer() { @@ -870,4 +828,26 @@ class CoreExport InspIRCd : public classbase } }; +ENTRYPOINT; + +template +class CommandModule : public Module +{ + Cmd cmd; + public: + CommandModule() : cmd(this) + { + } + + void init() + { + ServerInstance->Modules->AddService(cmd); + } + + Version GetVersion() + { + return Version(cmd.name, VF_VENDOR|VF_CORE); + } +}; + #endif