1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2007 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/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
24 #include "socketengine.h"
31 /** Types of data in the core config
39 DT_ALLOW_NEWLINE = 128
42 /** Holds a config value, either string, integer or boolean.
43 * Callback functions receive one or more of these, either on
44 * their own as a reference, or in a reference to a deque of them.
45 * The callback function can then alter the values of the ValueItem
46 * classes to validate the settings.
53 ValueItem(bool value);
54 ValueItem(char* value);
55 void Set(char* value);
56 void Set(const char* val);
63 /** The base class of the container 'ValueContainer'
64 * used internally by the core to hold core values.
66 class ValueContainerBase
69 ValueContainerBase() { }
70 virtual ~ValueContainerBase() { }
73 /** ValueContainer is used to contain pointers to different
74 * core values such as the server name, maximum number of
76 * It is specialized to hold a data type, then pointed at
77 * a value in the ServerConfig class. When the value has been
78 * read and validated, the Set method is called to write the
79 * value safely in a type-safe manner.
81 template<typename T> class ValueContainer : public ValueContainerBase
97 void Set(T newval, size_t s)
99 memcpy(val, newval, s);
103 /** A specialization of ValueContainer to hold a pointer to a bool
105 typedef ValueContainer<bool*> ValueContainerBool;
107 /** A specialization of ValueContainer to hold a pointer to
110 typedef ValueContainer<unsigned int*> ValueContainerUInt;
112 /** A specialization of ValueContainer to hold a pointer to
115 typedef ValueContainer<char*> ValueContainerChar;
117 /** A specialization of ValueContainer to hold a pointer to
120 typedef ValueContainer<int*> ValueContainerInt;
122 /** A set of ValueItems used by multi-value validator functions
124 typedef std::deque<ValueItem> ValueList;
126 /** A callback for validating a single value
128 typedef bool (*Validator)(ServerConfig* conf, const char*, const char*, ValueItem&);
129 /** A callback for validating multiple value entries
131 typedef bool (*MultiValidator)(ServerConfig* conf, const char*, char**, ValueList&, int*);
132 /** A callback indicating the end of a group of entries
134 typedef bool (*MultiNotify)(ServerConfig* conf, const char*);
136 /** Holds a core configuration item and its callbacks
143 ValueContainerBase* val;
144 ConfigDataType datatype;
145 Validator validation_function;
148 /** Holds a core configuration item and its callbacks
149 * where there may be more than one item
156 MultiNotify init_function;
157 MultiValidator validation_function;
158 MultiNotify finish_function;
161 /** A set of oper types
163 typedef std::map<irc::string,char*> opertype_t;
165 /** A Set of oper classes
167 typedef std::map<irc::string,char*> operclass_t;
170 /** This class holds the bulk of the runtime configuration for the ircd.
171 * It allows for reading new config values, accessing configuration files,
172 * and storage of the configuration data needed to run the ircd, such as
173 * the servername, connect classes, /ADMIN data, MOTDs and filenames etc.
175 class ServerConfig : public Extensible
180 InspIRCd* ServerInstance;
182 /** This variable holds the names of all
183 * files included from the main one. This
184 * is used to make sure that no files are
185 * recursively included.
187 std::vector<std::string> include_stack;
189 /** This private method processes one line of
190 * configutation, appending errors to errorstream
191 * and setting error if an error has occured.
193 bool ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream);
195 /** Process an include directive
197 bool DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream);
199 /** Check that there is only one of each configuration item
201 bool CheckOnce(char* tag, bool bail, userrec* user);
205 InspIRCd* GetInstance();
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 /** Max number of WhoWas entries per user.
216 /** Max number of cumulative user-entries in WhoWas.
217 * When max reached and added to, push out oldest entry FIFO style.
221 /** Max seconds a user is kept in WhoWas before being pruned.
225 /** Holds the server name of the local server
226 * as defined by the administrator.
228 char ServerName[MAXBUF];
230 /* Holds the network name the local server
231 * belongs to. This is an arbitary field defined
232 * by the administrator.
234 char Network[MAXBUF];
236 /** Holds the description of the local server
237 * as defined by the administrator.
239 char ServerDesc[MAXBUF];
241 /** Holds the admin's name, for output in
242 * the /ADMIN command.
244 char AdminName[MAXBUF];
246 /** Holds the email address of the admin,
247 * for output in the /ADMIN command.
249 char AdminEmail[MAXBUF];
251 /** Holds the admin's nickname, for output
252 * in the /ADMIN command
254 char AdminNick[MAXBUF];
256 /** The admin-configured /DIE password
258 char diepass[MAXBUF];
260 /** The admin-configured /RESTART password
262 char restartpass[MAXBUF];
264 /** The pathname and filename of the message of the
265 * day file, as defined by the administrator.
269 /** The pathname and filename of the rules file,
270 * as defined by the administrator.
274 /** The quit prefix in use, or an empty string
276 char PrefixQuit[MAXBUF];
278 /** The last string found within a <die> tag, or
281 char DieValue[MAXBUF];
283 /** The DNS server to use for DNS queries
285 char DNSServer[MAXBUF];
287 /** This variable contains a space-seperated list
288 * of commands which are disabled by the
289 * administrator of the server for non-opers.
291 char DisabledCommands[MAXBUF];
293 /** The full path to the modules directory.
294 * This is either set at compile time, or
295 * overridden in the configuration file via
300 /** The full pathname to the executable, as
301 * given in argv[0] when the program starts.
303 char MyExecutable[1024];
305 /** The file handle of the logfile. If this
306 * value is NULL, the log file is not open,
307 * probably due to a permissions error on
308 * startup (this should not happen in normal
313 /** If this value is true, the owner of the
314 * server specified -nofork on the command
315 * line, causing the daemon to stay in the
320 /** If this value if true then all log
321 * messages will be output, regardless of
322 * the level given in the config file.
323 * This is set with the -debug commandline
328 /** If this is true then log output will be
329 * written to the logfile. This is the default.
330 * If you put -nolog on the commandline then
331 * the logfile will not be written.
332 * This is meant to be used in conjunction with
333 * -debug for debugging without filling up the
338 /** If this value is true, halfops have been
339 * enabled in the configuration file.
343 /** The number of seconds the DNS subsystem
344 * will wait before timing out any request.
348 /** The size of the read() buffer in the user
349 * handling code, used to read data into a user's
354 /** The value to be used for listen() backlogs
359 /** The soft limit value assigned to the irc server.
360 * The IRC server will not allow more than this
361 * number of local users.
363 unsigned int SoftLimit;
365 /** Maximum number of targets for a multi target command
366 * such as PRIVMSG or KICK
368 unsigned int MaxTargets;
370 /** The maximum number of /WHO results allowed
371 * in any single /WHO command.
375 /** True if the DEBUG loglevel is selected.
379 /** The loglevel in use by the IRC server
383 /** How many seconds to wait before exiting
384 * the program when /DIE is correctly issued.
388 /** True if we're going to hide netsplits as *.net *.split for non-opers
392 /** True if we're going to hide ban reasons for non-opers (e.g. G-Lines,
397 /** If this is enabled then operators will
398 * see invisible (+i) channels in /whois.
402 /** Set to a non-empty string to obfuscate the server name of users in WHOIS
404 char HideWhoisServer[MAXBUF];
406 /** A list of IP addresses the server is listening
409 char addrs[MAXBUF][255];
411 /** The MOTD file, cached in a file_cache type.
415 /** The RULES file, cached in a file_cache type.
419 /** The full pathname and filename of the PID
420 * file as defined in the configuration.
424 /** The connect classes in use by the IRC server.
428 /** A list of module names (names only, no paths)
429 * which are currently loaded by the server.
431 std::vector<std::string> module_names;
433 /** A list of ports which the server is listening on
437 /** A list of the file descriptors for the listening client ports
439 ListenSocket* openSockfd[255];
441 /** Boolean sets of which modules implement which functions
443 char implement_lists[255][255];
445 /** Global implementation list
447 char global_implementation[255];
449 /** A list of ports claimed by IO Modules
451 std::map<int,Module*> IOHookModule;
453 std::map<InspSocket*, Module*> SocketIOHookModule;
455 /** The 005 tokens of this server (ISUPPORT)
456 * populated/repopulated upon loading or unloading
460 std::vector<std::string> isupport;
462 /** STATS characters in this list are available
465 char UserStats[MAXBUF];
467 /** The path and filename of the ircd.log file
471 /** Custom version string, which if defined can replace the system info in VERSION.
473 char CustomVersion[MAXBUF];
475 /** List of u-lined servers
477 std::vector<irc::string> ulines;
479 /** Max banlist sizes for channels (the std::string is a glob)
481 std::map<std::string,int> maxbans;
483 /** Directory where the inspircd binary resides
487 /** If set to true, no user DNS lookups are to be performed
491 /** If set to true, provide syntax hints for unknown commands
495 /** If set to true, users appear to quit then rejoin when their hosts change.
496 * This keeps clients synchronized properly.
500 /** If set to true, prefixed channel NOTICEs and PRIVMSGs will have the prefix
501 * added to the outgoing text for undernet style msg prefixing.
503 bool UndernetMsgPrefix;
505 /** All oper type definitions from the config file
507 opertype_t opertypes;
509 /** All oper class definitions from the config file
511 operclass_t operclass;
513 /** Saved argv from startup
517 /** Saved argc from startup
521 /** Construct a new ServerConfig
523 ServerConfig(InspIRCd* Instance);
525 /** Clears the include stack in preperation for a Read() call.
529 /** Update the 005 vector
533 /** Send the 005 numerics (ISUPPORT) to a user
535 void Send005(userrec* user);
537 /** Read the entire configuration into memory
538 * and initialize this class. All other methods
539 * should be used only by the core.
541 void Read(bool bail, userrec* user);
543 /** Read a file into a file_cache object
545 bool ReadFile(file_cache &F, const char* fname);
547 /** Load 'filename' into 'target', with the new config parser everything is parsed into
548 * tag/key/value at load-time rather than at read-value time.
551 /** Report a configuration error given in errormessage.
552 * @param bail If this is set to true, the error is sent to the console, and the program exits
553 * @param user If this is set to a non-null value, and bail is false, the errors are spooled to
554 * this user as SNOTICEs.
555 * If the parameter is NULL, the messages are spooled to all users via WriteOpers as SNOTICEs.
557 void ReportConfigError(const std::string &errormessage, bool bail, userrec* user);
559 /** Load 'filename' into 'target', with the new config parser everything is parsed into
560 * tag/key/value at load-time rather than at read-value time.
562 bool LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream);
564 /** Load 'filename' into 'target', with the new config parser everything is parsed into
565 * tag/key/value at load-time rather than at read-value time.
567 bool LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream);
569 /* Both these return true if the value existed or false otherwise */
571 /** Writes 'length' chars into 'result' as a string
573 bool ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds = false);
574 bool ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds = false);
576 /** Writes 'length' chars into 'result' as a string
578 bool ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds = false);
579 bool ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, std::string &result, bool allow_linefeeds = false);
581 /** Tries to convert the value to an integer and write it to 'result'
583 bool ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result);
584 /** Tries to convert the value to an integer and write it to 'result'
586 bool ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result);
588 /** Returns true if the value exists and has a true value, false otherwise
590 bool ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index);
591 /** Returns true if the value exists and has a true value, false otherwise
593 bool ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index);
595 /** Returns the number of occurences of tag in the config file
597 int ConfValueEnum(ConfigDataHash &target, const char* tag);
598 /** Returns the number of occurences of tag in the config file
600 int ConfValueEnum(ConfigDataHash &target, const std::string &tag);
602 /** Returns the numbers of vars inside the index'th 'tag in the config file
604 int ConfVarEnum(ConfigDataHash &target, const char* tag, int index);
605 /** Returns the numbers of vars inside the index'th 'tag in the config file
607 int ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index);
609 Module* GetIOHook(int port);
610 bool AddIOHook(int port, Module* iomod);
611 bool DelIOHook(int port);
612 Module* GetIOHook(InspSocket* is);
613 bool AddIOHook(Module* iomod, InspSocket* is);
614 bool DelIOHook(InspSocket* is);
616 static std::string GetFullProgDir(char** argv, int argc);
617 static bool DirValid(const char* dirandfile);
618 static char* CleanFilename(char* name);
619 static bool FileExists(const char* file);
623 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance);
625 bool InitTypes(ServerConfig* conf, const char* tag);
626 bool InitClasses(ServerConfig* conf, const char* tag);
627 bool DoType(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types);
628 bool DoClass(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types);
629 bool DoneClassesAndTypes(ServerConfig* conf, const char* tag);