2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
6 * Copyright (C) 2006-2008 Craig Edwards <craigedwards@brainbox.cc>
7 * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
8 * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
10 * This file is part of InspIRCd. InspIRCd is free software: you can
11 * redistribute it and/or modify it under the terms of the GNU General Public
12 * License as published by the Free Software Foundation, version 2.
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
19 * You should have received a copy of the GNU General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
32 #include "socketengine.h"
35 /** Structure representing a single \<tag> in config */
36 class CoreExport ConfigTag : public refcountbase
38 std::vector<KeyVal> items;
40 const std::string tag;
41 const std::string src_name;
44 /** Get the value of an option, using def if it does not exist */
45 std::string getString(const std::string& key, const std::string& def = "");
46 /** Get the value of an option, using def if it does not exist */
47 long getInt(const std::string& key, long def = 0);
48 /** Get the value of an option, using def if it does not exist */
49 double getFloat(const std::string& key, double def = 0);
50 /** Get the value of an option, using def if it does not exist */
51 bool getBool(const std::string& key, bool def = false);
53 /** Get the value of an option
54 * @param key The option to get
55 * @param value The location to store the value (unmodified if does not exist)
56 * @param allow_newline Allow newlines in the option (normally replaced with spaces)
57 * @return true if the option exists
59 bool readString(const std::string& key, std::string& value, bool allow_newline = false);
61 std::string getTagLocation();
63 inline const std::vector<KeyVal>& getItems() const { return items; }
65 /** Create a new ConfigTag, giving access to the private KeyVal item list */
66 static ConfigTag* create(const std::string& Tag, const std::string& file, int line,
67 std::vector<KeyVal>*&items);
69 ConfigTag(const std::string& Tag, const std::string& file, int line);
72 /** Defines the server's length limits on various length-limited
73 * items such as topics, nicknames, channel names etc.
78 /** Maximum nickname length */
80 /** Maximum channel length */
82 /** Maximum number of modes per line */
84 /** Maximum length of ident, not including ~ etc */
86 /** Maximum length of a quit message */
88 /** Maximum topic length */
90 /** Maximum kick message length */
92 /** Maximum GECOS (real name) length */
94 /** Maximum away message length */
97 /** Creating the class initialises it to the defaults
98 * as in 1.1's ./configure script. Reading other values
99 * from the config will change these values.
101 ServerLimits() : NickMax(31), ChanMax(64), MaxModes(20), IdentMax(12), MaxQuit(255), MaxTopic(307), MaxKick(255), MaxGecos(128), MaxAway(200)
106 struct CommandLineConf
108 /** If this value is true, the owner of the
109 * server specified -nofork on the command
110 * line, causing the daemon to stay in the
115 /** If this value if true then all log
116 * messages will be output, regardless of
117 * the level given in the config file.
118 * This is set with the -debug commandline
123 /** If this is true then log output will be
124 * written to the logfile. This is the default.
125 * If you put -nolog on the commandline then
126 * the logfile will not be written.
127 * This is meant to be used in conjunction with
128 * -debug for debugging without filling up the
133 /** True if we have been told to run the testsuite from the commandline,
134 * rather than entering the mainloop.
138 /** Saved argc from startup
142 /** Saved argv from startup
147 class CoreExport OperInfo : public refcountbase
150 std::set<std::string> AllowedOperCommands;
151 std::set<std::string> AllowedPrivs;
153 /** Allowed user modes from oper classes. */
154 std::bitset<64> AllowedUserModes;
156 /** Allowed channel modes from oper classes. */
157 std::bitset<64> AllowedChanModes;
159 /** \<oper> block used for this oper-up. May be NULL. */
160 reference<ConfigTag> oper_block;
161 /** \<type> block used for this oper-up. Valid for local users, may be NULL on remote */
162 reference<ConfigTag> type_block;
163 /** \<class> blocks referenced from the \<type> block. These define individual permissions */
164 std::vector<reference<ConfigTag> > class_blocks;
165 /** Name of the oper type; i.e. the one shown in WHOIS */
168 /** Get a configuration item, searching in the oper, type, and class blocks (in that order) */
169 std::string getConfig(const std::string& key);
173 /** This class holds the bulk of the runtime configuration for the ircd.
174 * It allows for reading new config values, accessing configuration files,
175 * and storage of the configuration data needed to run the ircd, such as
176 * the servername, connect classes, /ADMIN data, MOTDs and filenames etc.
178 class CoreExport ServerConfig
181 void CrossCheckOperClassType();
182 void CrossCheckConnectBlocks(ServerConfig* current);
186 /** Get a configuration tag
187 * @param tag The name of the tag to get
189 ConfigTag* ConfValue(const std::string& tag);
191 ConfigTagList ConfTags(const std::string& tag);
193 /** Error stream, contains error output from any failed configuration parsing.
195 std::stringstream errstr;
197 /** True if this configuration is valid enough to run with */
200 /** Bind to IPv6 by default */
203 /** Used to indicate who we announce invites to on a channel */
204 enum InviteAnnounceState { INVITE_ANNOUNCE_NONE, INVITE_ANNOUNCE_ALL, INVITE_ANNOUNCE_OPS, INVITE_ANNOUNCE_DYNAMIC };
205 enum OperSpyWhoisState { SPYWHOIS_NONE, SPYWHOIS_SINGLEMSG, SPYWHOIS_SPLITMSG };
207 /** This holds all the information in the config file,
208 * it's indexed by tag name to a vector of key/values.
210 ConfigDataHash config_data;
212 /** This holds all extra files that have been read in the configuration
213 * (for example, MOTD and RULES files are stored here)
215 ConfigFileCache Files;
217 /** Length limits, see definition of ServerLimits class
221 /** Configuration parsed from the command line.
223 CommandLineConf cmdline;
225 /** Clones CIDR range for ipv4 (0-32)
226 * Defaults to 32 (checks clones on all IPs seperately)
230 /** Clones CIDR range for ipv6 (0-128)
231 * Defaults to 128 (checks on all IPs seperately)
235 /** Holds the server name of the local server
236 * as defined by the administrator.
238 std::string ServerName;
240 /** Notice to give to users when they are Xlined
242 std::string MoronBanner;
244 /* Holds the network name the local server
245 * belongs to. This is an arbitary field defined
246 * by the administrator.
250 /** Holds the description of the local server
251 * as defined by the administrator.
253 std::string ServerDesc;
255 /** Holds the admin's name, for output in
256 * the /ADMIN command.
258 std::string AdminName;
260 /** Holds the email address of the admin,
261 * for output in the /ADMIN command.
263 std::string AdminEmail;
265 /** Holds the admin's nickname, for output
266 * in the /ADMIN command
268 std::string AdminNick;
270 /** The admin-configured /DIE password
274 /** The admin-configured /RESTART password
276 std::string restartpass;
278 /** The hash method for *BOTH* the die and restart passwords.
280 std::string powerhash;
282 /** The pathname and filename of the message of the
283 * day file, as defined by the administrator.
287 /** The pathname and filename of the rules file,
288 * as defined by the administrator.
292 /** The quit prefix in use, or an empty string
294 std::string PrefixQuit;
296 /** The quit suffix in use, or an empty string
298 std::string SuffixQuit;
300 /** The fixed quit message in use, or an empty string
302 std::string FixedQuit;
304 /** The part prefix in use, or an empty string
306 std::string PrefixPart;
308 /** The part suffix in use, or an empty string
310 std::string SuffixPart;
312 /** The fixed part message in use, or an empty string
314 std::string FixedPart;
316 /** Pretend disabled commands don't exist.
318 bool DisabledDontExist;
320 /** This variable contains a space-seperated list
321 * of commands which are disabled by the
322 * administrator of the server for non-opers.
324 std::string DisabledCommands;
326 /** This variable identifies which usermodes have been diabled.
328 char DisabledUModes[64];
330 /** This variable identifies which chanmodes have been disabled.
332 char DisabledCModes[64];
334 /** The full path to the modules directory.
335 * This is either set at compile time, or
336 * overridden in the configuration file via
341 /** If set to true, then all opers on this server are
342 * shown with a generic 'is an IRC operator' line rather
343 * than the oper type. Oper types are still used internally.
347 /** If this value is true, banned users (+b, not extbans) will not be able to change nick
348 * if banned on any channel, nor to message them.
350 bool RestrictBannedUsers;
352 /** If this is set to true, then mode lists (e.g
353 * MODE \#chan b) are hidden from unprivileged
356 bool HideModeLists[256];
358 /** The number of seconds the DNS subsystem
359 * will wait before timing out any request.
363 /** The size of the read() buffer in the user
364 * handling code, used to read data into a user's
369 /** The value to be used for listen() backlogs
374 /** The soft limit value assigned to the irc server.
375 * The IRC server will not allow more than this
376 * number of local users.
378 unsigned int SoftLimit;
380 /** Maximum number of targets for a multi target command
381 * such as PRIVMSG or KICK
383 unsigned int MaxTargets;
385 /** True if we're going to hide netsplits as *.net *.split for non-opers
389 /** True if we're going to hide ban reasons for non-opers (e.g. G-Lines,
394 /** Announce invites to the channel with a server notice
396 InviteAnnounceState AnnounceInvites;
398 /** If this is enabled then operators will
399 * see invisible (+i) channels in /whois.
401 OperSpyWhoisState OperSpyWhois;
403 /** True if raw I/O is being logged */
406 /** Set to a non-empty string to obfuscate the server name of users in WHOIS
408 std::string HideWhoisServer;
410 /** Set to a non empty string to obfuscate nicknames prepended to a KILL.
412 std::string HideKillsServer;
414 /** The full pathname and filename of the PID
415 * file as defined in the configuration.
419 /** The connect classes in use by the IRC server.
423 /** STATS characters in this list are available
426 std::string UserStats;
428 /** Default channel modes
430 std::string DefaultModes;
432 /** Custom version string, which if defined can replace the system info in VERSION.
434 std::string CustomVersion;
436 /** List of u-lined servers
438 std::map<irc::string, bool> ulines;
440 /** If set to true, provide syntax hints for unknown commands
444 /** If set to true, users appear to quit then rejoin when their hosts change.
445 * This keeps clients synchronized properly.
449 /** If set to true, the CycleHosts mode change will be sourced from the user,
450 * rather than the server
452 bool CycleHostsFromUser;
454 /** If set to true, prefixed channel NOTICEs and PRIVMSGs will have the prefix
455 * added to the outgoing text for undernet style msg prefixing.
457 bool UndernetMsgPrefix;
459 /** If set to true, the full nick!user\@host will be shown in the TOPIC command
460 * for who set the topic last. If false, only the nick is shown.
462 bool FullHostInTopic;
464 /** Oper block and type index.
465 * For anonymous oper blocks (type only), prefix with a space.
467 OperIndex oper_blocks;
469 /** Max channels per user
471 unsigned int MaxChans;
473 /** Oper max channels per user
475 unsigned int OperMaxChans;
477 /** TS6-like server ID.
478 * NOTE: 000...999 are usable for InspIRCd servers. This
479 * makes code simpler. 0AA, 1BB etc with letters are reserved
484 /** Construct a new ServerConfig
488 /** Get server ID as string with required leading zeroes
490 const std::string& GetSID();
492 /** Read the entire configuration into memory
493 * and initialize this class. All other methods
494 * should be used only by the core.
498 /** Apply configuration changes from the old configuration.
500 void Apply(ServerConfig* old, const std::string &useruid);
501 void ApplyModules(User* user);
505 /** Returns true if the given string starts with a windows drive letter
507 bool StartsWithWindowsDriveLetter(const std::string &path);
509 bool ApplyDisabledCommands(const std::string& data);
511 /** Clean a filename, stripping the directories (and drives) from string.
512 * @param name Directory to tidy
513 * @return The cleaned filename
515 static const char* CleanFilename(const char* name);
517 /** Check if a file exists.
518 * @param file The full path to a file
519 * @return True if the file exists and is readable.
521 static bool FileExists(const char* file);
523 /** If this value is true, invites will bypass more than just +i
527 /** If this value is true, snotices will not stack when repeats are sent
532 /** The background thread for config reading, so that reading from executable includes
535 class CoreExport ConfigReaderThread : public Thread
537 ServerConfig* Config;
540 const std::string TheUserUID;
541 ConfigReaderThread(const std::string &useruid)
542 : Config(new ServerConfig), done(false), TheUserUID(useruid)
546 virtual ~ConfigReaderThread()
552 /** Run in the main thread to apply the configuration */
554 bool IsDone() { return done; }