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 CoreExport ConfigTag : public refcountbase
42 const std::string tag;
43 const std::string src_name;
45 std::vector<KeyVal> items;
47 ConfigTag(const std::string& Tag, const std::string& file, int line)
48 : tag(Tag), src_name(file), src_line(line) {}
50 std::string getString(const std::string& key, const std::string& def = "");
51 long getInt(const std::string& key, long def = 0);
52 double getFloat(const std::string& key, double def = 0);
53 bool getBool(const std::string& key, bool def = false);
55 bool readString(const std::string& key, std::string& value, bool allow_newline = false);
57 std::string getTagLocation();
60 /** An entire config file, built up of KeyValLists
62 typedef std::multimap<std::string, reference<ConfigTag> > ConfigDataHash;
64 /** Defines the server's length limits on various length-limited
65 * items such as topics, nicknames, channel names etc.
70 /** Maximum nickname length */
72 /** Maximum channel length */
74 /** Maximum number of modes per line */
76 /** Maximum length of ident, not including ~ etc */
78 /** Maximum length of a quit message */
80 /** Maximum topic length */
82 /** Maximum kick message length */
84 /** Maximum GECOS (real name) length */
86 /** Maximum away message length */
89 /** Creating the class initialises it to the defaults
90 * as in 1.1's ./configure script. Reading other values
91 * from the config will change these values.
93 ServerLimits() : NickMax(31), ChanMax(64), MaxModes(20), IdentMax(12), MaxQuit(255), MaxTopic(307), MaxKick(255), MaxGecos(128), MaxAway(200)
97 /** Finalises the settings by adding one. This allows for them to be used as-is
98 * without a 'value+1' when using the std::string assignment methods etc.
113 struct CommandLineConf
115 /** If this value is true, the owner of the
116 * server specified -nofork on the command
117 * line, causing the daemon to stay in the
122 /** If this value if true then all log
123 * messages will be output, regardless of
124 * the level given in the config file.
125 * This is set with the -debug commandline
130 /** If this is true then log output will be
131 * written to the logfile. This is the default.
132 * If you put -nolog on the commandline then
133 * the logfile will not be written.
134 * This is meant to be used in conjunction with
135 * -debug for debugging without filling up the
140 /** True if we have been told to run the testsuite from the commandline,
141 * rather than entering the mainloop.
145 /** Saved argc from startup
149 /** Saved argv from startup
153 std::string startup_log;
156 class CoreExport OperInfo : public refcountbase
159 std::set<std::string> AllowedOperCommands;
160 std::set<std::string> AllowedPrivs;
162 /** Allowed user modes from oper classes. */
163 std::bitset<64> AllowedUserModes;
165 /** Allowed channel modes from oper classes. */
166 std::bitset<64> AllowedChanModes;
168 /** <oper> block used for this oper-up. May be NULL. */
169 reference<ConfigTag> oper_block;
170 /** <type> block used for this oper-up. Valid for local users, may be NULL on remote */
171 reference<ConfigTag> type_block;
172 /** <class> blocks referenced from the <type> block. These define individual permissions */
173 std::vector<reference<ConfigTag> > class_blocks;
174 /** Name of the oper type; i.e. the one shown in WHOIS */
177 /** Get a configuration item, searching in the oper, type, and class blocks (in that order) */
178 std::string getConfig(const std::string& key);
181 inline const char* NameStr()
183 return irc::Spacify(name.c_str());
187 typedef std::map<std::string, reference<ConfigTag> > TagIndex;
188 typedef std::map<std::string, reference<OperInfo> > OperIndex;
189 typedef ConfigDataHash::iterator ConfigIter;
190 typedef std::pair<ConfigDataHash::iterator, ConfigDataHash::iterator> ConfigTagList;
192 /** This class holds the bulk of the runtime configuration for the ircd.
193 * It allows for reading new config values, accessing configuration files,
194 * and storage of the configuration data needed to run the ircd, such as
195 * the servername, connect classes, /ADMIN data, MOTDs and filenames etc.
197 class CoreExport ServerConfig
200 void CrossCheckOperClassType();
201 void CrossCheckConnectBlocks(ServerConfig* current);
205 /** Get a configuration tag
206 * @param tag The name of the tag to get
207 * @param offset get the Nth occurance of the tag
209 ConfigTag* ConfValue(const std::string& tag);
211 ConfigTagList ConfTags(const std::string& tag);
213 /** Error stream, contains error output from any failed configuration parsing.
215 std::stringstream errstr;
217 /** True if this configuration is valid enough to run with */
220 /** Used to indicate who we announce invites to on a channel */
221 enum InviteAnnounceState { INVITE_ANNOUNCE_NONE, INVITE_ANNOUNCE_ALL, INVITE_ANNOUNCE_OPS, INVITE_ANNOUNCE_DYNAMIC };
223 /** This holds all the information in the config file,
224 * it's indexed by tag name to a vector of key/values.
226 ConfigDataHash config_data;
228 /** Length limits, see definition of ServerLimits class
232 /** Configuration parsed from the command line.
234 CommandLineConf cmdline;
236 /** Clones CIDR range for ipv4 (0-32)
237 * Defaults to 32 (checks clones on all IPs seperately)
241 /** Clones CIDR range for ipv6 (0-128)
242 * Defaults to 128 (checks on all IPs seperately)
246 /** Max number of WhoWas entries per user.
250 /** Max number of cumulative user-entries in WhoWas.
251 * When max reached and added to, push out oldest entry FIFO style.
255 /** Max seconds a user is kept in WhoWas before being pruned.
259 /** Holds the server name of the local server
260 * as defined by the administrator.
262 std::string ServerName;
264 /** Notice to give to users when they are Xlined
266 std::string MoronBanner;
268 /* Holds the network name the local server
269 * belongs to. This is an arbitary field defined
270 * by the administrator.
274 /** Holds the description of the local server
275 * as defined by the administrator.
277 std::string ServerDesc;
279 /** Holds the admin's name, for output in
280 * the /ADMIN command.
282 std::string AdminName;
284 /** Holds the email address of the admin,
285 * for output in the /ADMIN command.
287 std::string AdminEmail;
289 /** Holds the admin's nickname, for output
290 * in the /ADMIN command
292 std::string AdminNick;
294 /** The admin-configured /DIE password
298 /** The admin-configured /RESTART password
300 std::string restartpass;
302 /** The hash method for *BOTH* the die and restart passwords.
304 std::string powerhash;
306 /** The pathname and filename of the message of the
307 * day file, as defined by the administrator.
311 /** The pathname and filename of the rules file,
312 * as defined by the administrator.
316 /** The quit prefix in use, or an empty string
318 std::string PrefixQuit;
320 /** The quit suffix in use, or an empty string
322 std::string SuffixQuit;
324 /** The fixed quit message in use, or an empty string
326 std::string FixedQuit;
328 /** The part prefix in use, or an empty string
330 std::string PrefixPart;
332 /** The part suffix in use, or an empty string
334 std::string SuffixPart;
336 /** The fixed part message in use, or an empty string
338 std::string FixedPart;
340 /** The last string found within a <die> tag, or
343 std::string DieValue;
345 /** The DNS server to use for DNS queries
347 std::string DNSServer;
349 /** Pretend disabled commands don't exist.
351 bool DisabledDontExist;
353 /** This variable contains a space-seperated list
354 * of commands which are disabled by the
355 * administrator of the server for non-opers.
357 std::string DisabledCommands;
359 /** This variable identifies which usermodes have been diabled.
361 char DisabledUModes[64];
363 /** This variable identifies which chanmodes have been disabled.
365 char DisabledCModes[64];
367 /** The full path to the modules directory.
368 * This is either set at compile time, or
369 * overridden in the configuration file via
374 /** If set to true, then all opers on this server are
375 * shown with a generic 'is an IRC operator' line rather
376 * than the oper type. Oper types are still used internally.
380 /** If this value is true, banned users (+b, not extbans) will not be able to change nick
381 * if banned on any channel, nor to message them.
383 bool RestrictBannedUsers;
385 /** If this value is true, halfops have been
386 * enabled in the configuration file.
390 /** If this is set to true, then mode lists (e.g
391 * MODE #chan b) are hidden from unprivileged
394 bool HideModeLists[256];
396 /** The number of seconds the DNS subsystem
397 * will wait before timing out any request.
401 /** The size of the read() buffer in the user
402 * handling code, used to read data into a user's
407 /** The value to be used for listen() backlogs
412 /** The soft limit value assigned to the irc server.
413 * The IRC server will not allow more than this
414 * number of local users.
416 unsigned int SoftLimit;
418 /** Maximum number of targets for a multi target command
419 * such as PRIVMSG or KICK
421 unsigned int MaxTargets;
423 /** The maximum number of /WHO results allowed
424 * in any single /WHO command.
428 /** How many seconds to wait before exiting
429 * the program when /DIE is correctly issued.
433 /** True if we're going to hide netsplits as *.net *.split for non-opers
437 /** True if we're going to hide ban reasons for non-opers (e.g. G-Lines,
442 /** Announce invites to the channel with a server notice
444 InviteAnnounceState AnnounceInvites;
446 /** If this is enabled then operators will
447 * see invisible (+i) channels in /whois.
451 /** Set to a non-empty string to obfuscate the server name of users in WHOIS
453 std::string HideWhoisServer;
455 /** Set to a non empty string to obfuscate nicknames prepended to a KILL.
457 std::string HideKillsServer;
459 /** The MOTD file, cached in a file_cache type.
463 /** The RULES file, cached in a file_cache type.
467 /** The full pathname and filename of the PID
468 * file as defined in the configuration.
472 /** The connect classes in use by the IRC server.
476 /** The 005 tokens of this server (ISUPPORT)
477 * populated/repopulated upon loading or unloading
484 std::vector<std::string> isupport;
486 /** STATS characters in this list are available
489 std::string UserStats;
491 /** Default channel modes
493 std::string DefaultModes;
495 /** Custom version string, which if defined can replace the system info in VERSION.
497 std::string CustomVersion;
499 /** List of u-lined servers
501 std::map<irc::string, bool> ulines;
503 /** Max banlist sizes for channels (the std::string is a glob)
505 std::map<std::string, int> maxbans;
507 /** If set to true, no user DNS lookups are to be performed
511 /** If set to true, provide syntax hints for unknown commands
515 /** If set to true, users appear to quit then rejoin when their hosts change.
516 * This keeps clients synchronized properly.
520 /** If set to true, prefixed channel NOTICEs and PRIVMSGs will have the prefix
521 * added to the outgoing text for undernet style msg prefixing.
523 bool UndernetMsgPrefix;
525 /** If set to true, the full nick!user@host will be shown in the TOPIC command
526 * for who set the topic last. If false, only the nick is shown.
528 bool FullHostInTopic;
530 /** Oper block and type index.
531 * For anonymous oper blocks (type only), prefix with a space.
533 OperIndex oper_blocks;
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 /** Construct a new ServerConfig
554 /** Get server ID as string with required leading zeroes
556 std::string GetSID();
558 /** Update the 005 vector
562 /** Send the 005 numerics (ISUPPORT) to a user
564 void Send005(User* user);
566 /** Read the entire configuration into memory
567 * and initialize this class. All other methods
568 * should be used only by the core.
572 /** Apply configuration changes from the old configuration.
574 void Apply(ServerConfig* old, const std::string &useruid);
575 void ApplyModules(User* user);
579 /** Read a file into a file_cache object
581 bool ReadFile(file_cache &F, const std::string& fname);
583 /* Returns true if the given string starts with a windows drive letter
585 bool StartsWithWindowsDriveLetter(const std::string &path);
587 bool ApplyDisabledCommands(const std::string& data);
589 /** Clean a filename, stripping the directories (and drives) from string.
590 * @param name Directory to tidy
591 * @return The cleaned filename
593 static const char* CleanFilename(const char* name);
595 /** Check if a file exists.
596 * @param file The full path to a file
597 * @return True if the file exists and is readable.
599 static bool FileExists(const char* file);
601 /** If this value is true, invites will bypass more than just +i