1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2009 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
14 #ifndef INSPIRCD_CONFIGREADER
15 #define INSPIRCD_CONFIGREADER
23 #include "socketengine.h"
26 /* Required forward definitions */
32 /** A cached text file stored with its contents as lines
34 typedef std::vector<std::string> file_cache;
36 /** A configuration key and value pair
38 typedef std::pair<std::string, std::string> KeyVal;
40 struct ConfigTag : public refcountbase
42 const std::string tag;
43 std::vector<KeyVal> items;
45 ConfigTag(const std::string& Tag) : tag(Tag) {}
47 std::string getString(const std::string& key, const std::string& def = "");
48 long getInt(const std::string& key, long def = 0);
49 double getFloat(const std::string& key, double def = 0);
50 bool getBool(const std::string& key, bool def = false);
52 bool readString(const std::string& key, std::string& value, bool allow_newline = false);
55 /** An entire config file, built up of KeyValLists
57 typedef std::multimap<std::string, reference<ConfigTag> > ConfigDataHash;
59 typedef std::map<std::string, reference<ConfigTag> > TagIndex;
61 /** Defines the server's length limits on various length-limited
62 * items such as topics, nicknames, channel names etc.
67 /** Maximum nickname length */
69 /** Maximum channel length */
71 /** Maximum number of modes per line */
73 /** Maximum length of ident, not including ~ etc */
75 /** Maximum length of a quit message */
77 /** Maximum topic length */
79 /** Maximum kick message length */
81 /** Maximum GECOS (real name) length */
83 /** Maximum away message length */
86 /** Creating the class initialises it to the defaults
87 * as in 1.1's ./configure script. Reading other values
88 * from the config will change these values.
90 ServerLimits() : NickMax(31), ChanMax(64), MaxModes(20), IdentMax(12), MaxQuit(255), MaxTopic(307), MaxKick(255), MaxGecos(128), MaxAway(200)
94 /** Finalises the settings by adding one. This allows for them to be used as-is
95 * without a 'value+1' when using the std::string assignment methods etc.
110 /** This class holds the bulk of the runtime configuration for the ircd.
111 * It allows for reading new config values, accessing configuration files,
112 * and storage of the configuration data needed to run the ircd, such as
113 * the servername, connect classes, /ADMIN data, MOTDs and filenames etc.
115 class CoreExport ServerConfig : public classbase
118 /** This variable holds the names of all
119 * files included from the main one. This
120 * is used to make sure that no files are
121 * recursively included.
123 std::vector<std::string> include_stack;
125 /** This private method processes one line of
126 * configutation, appending errors to errorstream
127 * and setting error if an error has occured.
129 bool ParseLine(const std::string &filename, std::string &line, long &linenumber, bool allowexeinc);
131 /** Check that there is only one of each configuration item
133 bool CheckOnce(const char* tag);
135 void CrossCheckOperClassType();
136 void CrossCheckConnectBlocks(ServerConfig* current);
139 /** Process an include executable directive
141 bool DoPipe(const std::string &file);
143 /** Process an include file directive
145 bool DoInclude(const std::string &file, bool allowexeinc);
147 /** Error stream, contains error output from any failed configuration parsing.
149 std::stringstream errstr;
151 /** True if this configuration is valid enough to run with */
154 /** Set of included files. Do we use this any more?
156 std::map<std::string, std::istream*> IncludedFiles;
158 /** Used to indicate who we announce invites to on a channel */
159 enum InviteAnnounceState { INVITE_ANNOUNCE_NONE, INVITE_ANNOUNCE_ALL, INVITE_ANNOUNCE_OPS, INVITE_ANNOUNCE_DYNAMIC };
161 /** Not used any more as it is named, can probably be removed or renamed.
165 /** This holds all the information in the config file,
166 * it's indexed by tag name to a vector of key/values.
168 ConfigDataHash config_data;
170 /** Length limits, see definition of ServerLimits class
174 /** Clones CIDR range for ipv4 (0-32)
175 * Defaults to 32 (checks clones on all IPs seperately)
179 /** Clones CIDR range for ipv6 (0-128)
180 * Defaults to 128 (checks on all IPs seperately)
184 /** Max number of WhoWas entries per user.
188 /** Max number of cumulative user-entries in WhoWas.
189 * When max reached and added to, push out oldest entry FIFO style.
193 /** Max seconds a user is kept in WhoWas before being pruned.
197 /** Both for set(g|u)id.
200 std::string SetGroup;
202 /** Holds the server name of the local server
203 * as defined by the administrator.
205 std::string ServerName;
207 /** Notice to give to users when they are Xlined
209 std::string MoronBanner;
211 /* Holds the network name the local server
212 * belongs to. This is an arbitary field defined
213 * by the administrator.
217 /** Holds the description of the local server
218 * as defined by the administrator.
220 std::string ServerDesc;
222 /** Holds the admin's name, for output in
223 * the /ADMIN command.
225 std::string AdminName;
227 /** Holds the email address of the admin,
228 * for output in the /ADMIN command.
230 std::string AdminEmail;
232 /** Holds the admin's nickname, for output
233 * in the /ADMIN command
235 std::string AdminNick;
237 /** The admin-configured /DIE password
241 /** The admin-configured /RESTART password
243 std::string restartpass;
245 /** The hash method for *BOTH* the die and restart passwords.
247 std::string powerhash;
249 /** The pathname and filename of the message of the
250 * day file, as defined by the administrator.
254 /** The pathname and filename of the rules file,
255 * as defined by the administrator.
259 /** The quit prefix in use, or an empty string
261 std::string PrefixQuit;
263 /** The quit suffix in use, or an empty string
265 std::string SuffixQuit;
267 /** The fixed quit message in use, or an empty string
269 std::string FixedQuit;
271 /** The part prefix in use, or an empty string
273 std::string PrefixPart;
275 /** The part suffix in use, or an empty string
277 std::string SuffixPart;
279 /** The fixed part message in use, or an empty string
281 std::string FixedPart;
283 /** The last string found within a <die> tag, or
286 std::string DieValue;
288 /** The DNS server to use for DNS queries
290 std::string DNSServer;
292 /** Pretend disabled commands don't exist.
294 bool DisabledDontExist;
296 /** This variable contains a space-seperated list
297 * of commands which are disabled by the
298 * administrator of the server for non-opers.
300 std::string DisabledCommands;
302 /** This variable identifies which usermodes have been diabled.
305 char DisabledUModes[64];
307 /** This variable identifies which chanmodes have been disabled.
309 char DisabledCModes[64];
311 /** The full path to the modules directory.
312 * This is either set at compile time, or
313 * overridden in the configuration file via
318 /** The file handle of the logfile. If this
319 * value is NULL, the log file is not open,
320 * probably due to a permissions error on
321 * startup (this should not happen in normal
326 /** If this value is true, the owner of the
327 * server specified -nofork on the command
328 * line, causing the daemon to stay in the
333 /** If this value if true then all log
334 * messages will be output, regardless of
335 * the level given in the config file.
336 * This is set with the -debug commandline
341 /** If this is true then log output will be
342 * written to the logfile. This is the default.
343 * If you put -nolog on the commandline then
344 * the logfile will not be written.
345 * This is meant to be used in conjunction with
346 * -debug for debugging without filling up the
351 /** If set to true, then all opers on this server are
352 * shown with a generic 'is an IRC operator' line rather
353 * than the oper type. Oper types are still used internally.
357 /** If this value is true, banned users (+b, not extbans) will not be able to change nick
358 * if banned on any channel, nor to message them.
360 bool RestrictBannedUsers;
362 /** If this value is true, halfops have been
363 * enabled in the configuration file.
367 /** If this is set to true, then mode lists (e.g
368 * MODE #chan b) are hidden from unprivileged
371 bool HideModeLists[256];
373 /** The number of seconds the DNS subsystem
374 * will wait before timing out any request.
378 /** The size of the read() buffer in the user
379 * handling code, used to read data into a user's
384 /** The value to be used for listen() backlogs
389 /** The soft limit value assigned to the irc server.
390 * The IRC server will not allow more than this
391 * number of local users.
393 unsigned int SoftLimit;
395 /** Maximum number of targets for a multi target command
396 * such as PRIVMSG or KICK
398 unsigned int MaxTargets;
400 /** The maximum number of /WHO results allowed
401 * in any single /WHO command.
405 /** True if the DEBUG loglevel is selected.
409 /** How many seconds to wait before exiting
410 * the program when /DIE is correctly issued.
414 /** True if we're going to hide netsplits as *.net *.split for non-opers
418 /** True if we're going to hide ban reasons for non-opers (e.g. G-Lines,
423 /** Announce invites to the channel with a server notice
425 InviteAnnounceState AnnounceInvites;
427 /** If this is enabled then operators will
428 * see invisible (+i) channels in /whois.
432 /** Set to a non-empty string to obfuscate the server name of users in WHOIS
434 std::string HideWhoisServer;
436 /** Set to a non empty string to obfuscate nicknames prepended to a KILL.
438 std::string HideKillsServer;
440 /** The MOTD file, cached in a file_cache type.
444 /** The RULES file, cached in a file_cache type.
448 /** The full pathname and filename of the PID
449 * file as defined in the configuration.
453 /** The connect classes in use by the IRC server.
457 /** The 005 tokens of this server (ISUPPORT)
458 * populated/repopulated upon loading or unloading
465 std::vector<std::string> isupport;
467 /** STATS characters in this list are available
470 std::string UserStats;
472 /** The path and filename of the ircd.log file
476 /** Default channel modes
478 std::string DefaultModes;
480 /** Custom version string, which if defined can replace the system info in VERSION.
482 std::string CustomVersion;
484 /** List of u-lined servers
486 std::map<irc::string, bool> ulines;
488 /** Max banlist sizes for channels (the std::string is a glob)
490 std::map<std::string, int> maxbans;
492 /** Directory where the inspircd binary resides
496 /** If set to true, no user DNS lookups are to be performed
500 /** If set to true, provide syntax hints for unknown commands
504 /** If set to true, users appear to quit then rejoin when their hosts change.
505 * This keeps clients synchronized properly.
509 /** If set to true, prefixed channel NOTICEs and PRIVMSGs will have the prefix
510 * added to the outgoing text for undernet style msg prefixing.
512 bool UndernetMsgPrefix;
514 /** If set to true, the full nick!user@host will be shown in the TOPIC command
515 * for who set the topic last. If false, only the nick is shown.
517 bool FullHostInTopic;
519 /** All oper type definitions from the config file
523 /** All oper class definitions from the config file
527 /** Saved argv from startup
531 /** Saved argc from startup
535 /** Max channels per user
537 unsigned int MaxChans;
539 /** Oper max channels per user
541 unsigned int OperMaxChans;
543 /** TS6-like server ID.
544 * NOTE: 000...999 are usable for InspIRCd servers. This
545 * makes code simpler. 0AA, 1BB etc with letters are reserved
550 /** True if we have been told to run the testsuite from the commandline,
551 * rather than entering the mainloop.
555 /** Construct a new ServerConfig
559 /** Get server ID as string with required leading zeroes
561 std::string GetSID();
563 /** Update the 005 vector
567 /** Send the 005 numerics (ISUPPORT) to a user
569 void Send005(User* user);
571 /** Read the entire configuration into memory
572 * and initialize this class. All other methods
573 * should be used only by the core.
577 /** Apply configuration changes from the old configuration.
579 void Apply(ServerConfig* old, const std::string &useruid);
580 void ApplyModules(User* user);
584 /** Read a file into a file_cache object
586 bool ReadFile(file_cache &F, const std::string& fname);
588 /* Returns true if the given string starts with a windows drive letter
590 bool StartsWithWindowsDriveLetter(const std::string &path);
592 /** Load 'filename' into 'target', with the new config parser everything is parsed into
593 * tag/key/value at load-time rather than at read-value time.
595 bool LoadConf(FILE* &conf, const char* filename, bool allowexeinc);
597 /** Load 'filename' into 'target', with the new config parser everything is parsed into
598 * tag/key/value at load-time rather than at read-value time.
600 bool LoadConf(FILE* &conf, const std::string &filename, bool allowexeinc);
602 ConfigTag* ConfValue(const std::string& tag, int offset = 0);
604 bool ApplyDisabledCommands(const std::string& data);
606 /** Clean a filename, stripping the directories (and drives) from string.
607 * @param name Directory to tidy
608 * @return The cleaned filename
610 static const char* CleanFilename(const char* name);
612 /** Check if a file exists.
613 * @param file The full path to a file
614 * @return True if the file exists and is readable.
616 static bool FileExists(const char* file);
618 /** If this value is true, invites will bypass more than just +i