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"
34 #include "token_list.h"
36 /** Structure representing a single \<tag> in config */
37 class CoreExport ConfigTag : public refcountbase
41 const std::string tag;
42 const std::string src_name;
45 /** Get the value of an option, using def if it does not exist */
46 std::string getString(const std::string& key, const std::string& def = "", size_t minlen = 0, size_t maxlen = UINT32_MAX);
47 /** Get the value of an option, using def if it does not exist */
48 long getInt(const std::string& key, long def, long min = LONG_MIN, long max = LONG_MAX);
49 /** Get the value of an option, using def if it does not exist */
50 unsigned long getUInt(const std::string& key, unsigned long def, unsigned long min = 0, unsigned long max = ULONG_MAX);
51 /** Get the value of an option, using def if it does not exist */
52 double getFloat(const std::string& key, double def, double min = DBL_MIN, double max = DBL_MAX);
53 /** Get the value of an option, using def if it does not exist */
54 bool getBool(const std::string& key, bool def = false);
56 /** Get the value in seconds of a duration that is in the user-friendly "1h2m3s" format,
57 * using a default value if it does not exist or is out of bounds.
58 * @param key The config key name
59 * @param def Default value (optional)
60 * @param min Minimum acceptable value (optional)
61 * @param max Maximum acceptable value (optional)
62 * @return The duration in seconds
64 unsigned long getDuration(const std::string& key, unsigned long def, unsigned long min = 0, unsigned long max = ULONG_MAX);
66 /** Get the value of an option
67 * @param key The option to get
68 * @param value The location to store the value (unmodified if does not exist)
69 * @param allow_newline Allow newlines in the option (normally replaced with spaces)
70 * @return true if the option exists
72 bool readString(const std::string& key, std::string& value, bool allow_newline = false);
74 std::string getTagLocation();
76 inline const ConfigItems& getItems() const { return items; }
78 /** Create a new ConfigTag, giving access to the private ConfigItems item list */
79 static ConfigTag* create(const std::string& Tag, const std::string& file, int line, ConfigItems*& Items);
81 ConfigTag(const std::string& Tag, const std::string& file, int line);
84 /** Defines the server's length limits on various length-limited
85 * items such as topics, nicknames, channel names etc.
90 /** Maximum nickname length */
92 /** Maximum channel length */
94 /** Maximum number of modes per line */
96 /** Maximum length of ident, not including ~ etc */
98 /** Maximum length of a quit message */
100 /** Maximum topic length */
102 /** Maximum kick message length */
104 /** Maximum GECOS (real name) length */
106 /** Maximum away message length */
108 /** Maximum line length */
110 /** Maximum hostname length */
113 /** Read all limits from a config tag. Limits which aren't specified in the tag are set to a default value.
114 * @param tag Configuration tag to read the limits from
116 ServerLimits(ConfigTag* tag);
118 /** Maximum length of a n!u\@h mask */
119 size_t GetMaxMask() const { return NickMax + 1 + IdentMax + 1 + MaxHost; }
122 struct CommandLineConf
124 /** If this value is true, the owner of the
125 * server specified -nofork on the command
126 * line, causing the daemon to stay in the
131 /** If this value if true then all log
132 * messages will be output, regardless of
133 * the level given in the config file.
134 * This is set with the -debug commandline
139 /** If this is true then log output will be
140 * written to the logfile. This is the default.
141 * If you put -nolog on the commandline then
142 * the logfile will not be written.
143 * This is meant to be used in conjunction with
144 * -debug for debugging without filling up the
149 /** Saved argc from startup
153 /** Saved argv from startup
158 class CoreExport OperInfo : public refcountbase
161 TokenList AllowedOperCommands;
162 TokenList AllowedPrivs;
164 /** Allowed user modes from oper classes. */
165 std::bitset<64> AllowedUserModes;
167 /** Allowed channel modes from oper classes. */
168 std::bitset<64> AllowedChanModes;
170 /** \<oper> block used for this oper-up. May be NULL. */
171 reference<ConfigTag> oper_block;
172 /** \<type> block used for this oper-up. Valid for local users, may be NULL on remote */
173 reference<ConfigTag> type_block;
174 /** \<class> blocks referenced from the \<type> block. These define individual permissions */
175 std::vector<reference<ConfigTag> > class_blocks;
176 /** Name of the oper type; i.e. the one shown in WHOIS */
179 /** Creates a new OperInfo with the specified oper type name.
180 * @param Name The name of the oper type.
182 OperInfo(const std::string& Name);
184 /** Get a configuration item, searching in the oper, type, and class blocks (in that order) */
185 std::string getConfig(const std::string& key);
189 /** This class holds the bulk of the runtime configuration for the ircd.
190 * It allows for reading new config values, accessing configuration files,
191 * and storage of the configuration data needed to run the ircd, such as
192 * the servername, connect classes, /ADMIN data, MOTDs and filenames etc.
194 class CoreExport ServerConfig
197 void CrossCheckOperClassType();
198 void CrossCheckConnectBlocks(ServerConfig* current);
216 ServerPaths(ConfigTag* tag);
218 std::string PrependConfig(const std::string& fn) const { return FileSystem::ExpandPath(Config, fn); }
219 std::string PrependData(const std::string& fn) const { return FileSystem::ExpandPath(Data, fn); }
220 std::string PrependLog(const std::string& fn) const { return FileSystem::ExpandPath(Log, fn); }
221 std::string PrependModule(const std::string& fn) const { return FileSystem::ExpandPath(Module, fn); }
224 /** Holds a complete list of all connect blocks
226 typedef std::vector<reference<ConnectClass> > ClassVector;
228 /** Index of valid oper blocks and types
230 typedef insp::flat_map<std::string, reference<OperInfo> > OperIndex;
232 /** Get a configuration tag
233 * @param tag The name of the tag to get
235 ConfigTag* ConfValue(const std::string& tag);
237 ConfigTagList ConfTags(const std::string& tag);
239 /** An empty configuration tag. */
242 /** Error stream, contains error output from any failed configuration parsing.
244 std::stringstream errstr;
246 /** True if this configuration is valid enough to run with */
249 /** Bind to IPv6 by default */
252 /** This holds all the information in the config file,
253 * it's indexed by tag name to a vector of key/values.
255 ConfigDataHash config_data;
257 /** This holds all extra files that have been read in the configuration
258 * (for example, MOTD and RULES files are stored here)
260 ConfigFileCache Files;
262 /** Length limits, see definition of ServerLimits class
266 /** Locations of various types of file (config, module, etc). */
269 /** Configuration parsed from the command line.
271 CommandLineConf cmdline;
273 /** Clones CIDR range for ipv4 (0-32)
274 * Defaults to 32 (checks clones on all IPs seperately)
276 unsigned char c_ipv4_range;
278 /** Clones CIDR range for ipv6 (0-128)
279 * Defaults to 128 (checks on all IPs seperately)
281 unsigned char c_ipv6_range;
283 /** Holds the server name of the local server
284 * as defined by the administrator.
286 std::string ServerName;
288 /** Notice to give to users when they are banned by an XLine
290 std::string XLineMessage;
292 /* Holds the network name the local server
293 * belongs to. This is an arbitary field defined
294 * by the administrator.
298 /** Holds the description of the local server
299 * as defined by the administrator.
301 std::string ServerDesc;
303 /** Pretend disabled commands don't exist.
305 bool DisabledDontExist;
307 /** This variable identifies which usermodes have been diabled.
309 std::bitset<64> DisabledUModes;
311 /** This variable identifies which chanmodes have been disabled.
313 std::bitset<64> DisabledCModes;
315 /** If set to true, then all opers on this server are
316 * shown with a generic 'is an IRC operator' line rather
317 * than the oper type. Oper types are still used internally.
321 /** If this value is true, banned users (+b, not extbans) will not be able to change nick
322 * if banned on any channel, nor to message them.
324 bool RestrictBannedUsers;
326 /** The size of the read() buffer in the user
327 * handling code, used to read data into a user's
332 /** The value to be used for listen() backlogs
337 /** If we should check for clones during CheckClass() in AddUser()
338 * Setting this to false allows to not trigger on maxclones for users
339 * that may belong to another class after DNS-lookup is complete.
340 * It does, however, make the server spend more time on users we may potentially not want.
344 /** The soft limit value assigned to the irc server.
345 * The IRC server will not allow more than this
346 * number of local users.
348 unsigned int SoftLimit;
350 /** Maximum number of targets for a multi target command
351 * such as PRIVMSG or KICK
353 unsigned int MaxTargets;
355 /** True if we're going to hide netsplits as *.net *.split for non-opers
359 /** True if we're going to hide ban reasons for non-opers (e.g. G-Lines,
364 /** True if raw I/O is being logged */
367 /** Set to a non-empty string to obfuscate server names. */
368 std::string HideServer;
370 /** Set to a non empty string to obfuscate nicknames prepended to a KILL.
372 std::string HideKillsServer;
374 /** Set to hide kills from clients of ulined servers in snotices.
378 /** The full pathname and filename of the PID
379 * file as defined in the configuration.
383 /** The connect classes in use by the IRC server.
387 /** STATS characters in this list are available
390 std::string UserStats;
392 /** Default channel modes
394 std::string DefaultModes;
396 /** Custom version string, which if defined can replace the system info in VERSION.
398 std::string CustomVersion;
400 /** If set to true, provide syntax hints for unknown commands
404 /** The name of the casemapping method used by this server.
406 std::string CaseMapping;
408 /** If set to true, the CycleHosts mode change will be sourced from the user,
409 * rather than the server
411 bool CycleHostsFromUser;
413 /** If set to true, the full nick!user\@host will be shown in the TOPIC command
414 * for who set the topic last. If false, only the nick is shown.
416 bool FullHostInTopic;
418 /** Oper blocks keyed by their name
420 OperIndex oper_blocks;
422 /** Oper types keyed by their name
426 /** Default value for <connect:maxchans>, deprecated in 3.0
428 unsigned int MaxChans;
430 /** Default value for <oper:maxchans>, deprecated in 3.0
432 unsigned int OperMaxChans;
434 /** TS6-like server ID.
435 * NOTE: 000...999 are usable for InspIRCd servers. This
436 * makes code simpler. 0AA, 1BB etc with letters are reserved
441 /** Construct a new ServerConfig
447 /** Get server ID as string with required leading zeroes
449 const std::string& GetSID() const { return sid; }
451 /** Read the entire configuration into memory
452 * and initialize this class. All other methods
453 * should be used only by the core.
457 /** Apply configuration changes from the old configuration.
459 void Apply(ServerConfig* old, const std::string &useruid);
460 void ApplyModules(User* user);
464 /** Disables the commands specified in <disabled:commands>. */
465 bool ApplyDisabledCommands();
467 /** Escapes a value for storage in a configuration key.
468 * @param str The string to escape.
469 * @param xml Are we using the XML config format?
471 static std::string Escape(const std::string& str, bool xml = true);
473 /** If this value is true, snotices will not stack when repeats are sent
478 /** The background thread for config reading, so that reading from executable includes
481 class CoreExport ConfigReaderThread : public Thread
483 ServerConfig* Config;
486 const std::string TheUserUID;
487 ConfigReaderThread(const std::string &useruid)
488 : Config(new ServerConfig), done(false), TheUserUID(useruid)
492 virtual ~ConfigReaderThread()
497 void Run() CXX11_OVERRIDE;
498 /** Run in the main thread to apply the configuration */
500 bool IsDone() { return done; }
503 class CoreExport ConfigStatus
508 ConfigStatus(User* user = NULL)