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Removed a pointless check in ./configure --clean that made it only work with one...
[user/henk/code/inspircd.git] / src / configreader.cpp
1 /*       +------------------------------------+
2  *       | Inspire Internet Relay Chat Daemon |
3  *       +------------------------------------+
4  *
5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
6  * See: http://www.inspircd.org/wiki/index.php/Credits
7  *
8  * This program is free but copyrighted software; see
9  *            the file COPYING for details.
10  *
11  * ---------------------------------------------------
12  */
13
14 #include "configreader.h"
15 #include <sstream>
16 #include <fstream>
17 #include "inspircd.h"
18 #include "xline.h"
19
20 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
21
22 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
23 {
24         this->ClearStack();
25         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
26         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
27         *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
28         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0';
29         log_file = NULL;
30         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = false;
31         CycleHosts = writelog = AllowHalfop = true;
32         dns_timeout = DieDelay = 5;
33         MaxTargets = 20;
34         NetBufferSize = 10240;
35         SoftLimit = MAXCLIENTS;
36         MaxConn = SOMAXCONN;
37         MaxWhoResults = 100;
38         debugging = 0;
39         LogLevel = DEFAULT;
40         maxbans.clear();
41         WhoWasGroupSize = 10;
42         WhoWasMaxGroups = WhoWasGroupSize * MAXCLIENTS;
43         WhoWasMaxKeep = 3600*24*3; // 3 days
44 }
45
46 void ServerConfig::ClearStack()
47 {
48         include_stack.clear();
49 }
50
51 Module* ServerConfig::GetIOHook(int port)
52 {
53         std::map<int,Module*>::iterator x = IOHookModule.find(port);
54         return (x != IOHookModule.end() ? x->second : NULL);
55 }
56
57 Module* ServerConfig::GetIOHook(InspSocket* is)
58 {
59         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
60         return (x != SocketIOHookModule.end() ? x->second : NULL);
61 }
62
63 bool ServerConfig::AddIOHook(int port, Module* iomod)
64 {
65         if (!GetIOHook(port))
66         {
67                 IOHookModule[port] = iomod;
68                 return true;
69         }
70         else
71         {
72                 throw ModuleException("Port already hooked by another module");
73                 return false;
74         }
75 }
76
77 bool ServerConfig::AddIOHook(Module* iomod, InspSocket* is)
78 {
79         if (!GetIOHook(is))
80         {
81                 ServerInstance->Log(DEBUG,"Hooked inspsocket %08x", is);
82                 SocketIOHookModule[is] = iomod;
83                 is->IsIOHooked = true;
84                 return true;
85         }
86         else
87         {
88                 throw ModuleException("InspSocket derived class already hooked by another module");
89                 return false;
90         }
91 }
92
93 bool ServerConfig::DelIOHook(int port)
94 {
95         std::map<int,Module*>::iterator x = IOHookModule.find(port);
96         if (x != IOHookModule.end())
97         {
98                 IOHookModule.erase(x);
99                 return true;
100         }
101         return false;
102 }
103
104 bool ServerConfig::DelIOHook(InspSocket* is)
105 {
106         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
107         if (x != SocketIOHookModule.end())
108         {
109                 SocketIOHookModule.erase(x);
110                 return true;
111         }
112         return false;
113 }
114
115 void ServerConfig::Update005()
116 {
117         std::stringstream out(data005);
118         std::string token;
119         std::string line5;
120         int token_counter = 0;
121         isupport.clear();
122         while (out >> token)
123         {
124                 line5 = line5 + token + " ";
125                 token_counter++;
126                 if (token_counter >= 13)
127                 {
128                         char buf[MAXBUF];
129                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
130                         isupport.push_back(buf);
131                         line5 = "";
132                         token_counter = 0;
133                 }
134         }
135         char buf[MAXBUF];
136         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
137         isupport.push_back(buf);
138 }
139
140 void ServerConfig::Send005(userrec* user)
141 {
142         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
143                 user->WriteServ("005 %s %s", user->nick, line->c_str());
144 }
145
146 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
147 {
148         int count = ConfValueEnum(this->config_data, tag);
149         
150         if (count > 1)
151         {
152                 if (bail)
153                 {
154                         printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
155                         InspIRCd::Exit(ERROR);
156                 }
157                 else
158                 {
159                         if (user)
160                         {
161                                 user->WriteServ("There were errors in your configuration:");
162                                 user->WriteServ("You have more than one <%s> tag, this is not permitted.\n",tag);
163                         }
164                         else
165                         {
166                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
167                                 ServerInstance->WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag);
168                         }
169                 }
170                 return false;
171         }
172         if (count < 1)
173         {
174                 if (bail)
175                 {
176                         printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
177                         InspIRCd::Exit(ERROR);
178                 }
179                 else
180                 {
181                         if (user)
182                         {
183                                 user->WriteServ("There were errors in your configuration:");
184                                 user->WriteServ("You have not defined a <%s> tag, this is required.",tag);
185                         }
186                         else
187                         {
188                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
189                                 ServerInstance->WriteOpers("You have not defined a <%s> tag, this is required.",tag);
190                         }
191                 }
192                 return false;
193         }
194         return true;
195 }
196
197 bool NoValidation(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
198 {
199         conf->GetInstance()->Log(DEBUG,"No validation for <%s:%s>",tag,value);
200         return true;
201 }
202
203 bool ValidateMaxTargets(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
204 {
205         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
206         {
207                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
208                 data.Set(20);
209         }
210         return true;
211 }
212
213 bool ValidateSoftLimit(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
214 {
215         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
216         {
217                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
218                 data.Set(MAXCLIENTS);
219         }
220         return true;
221 }
222
223 bool ValidateMaxConn(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
224 {
225         if (data.GetInteger() > SOMAXCONN)
226                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
227         if (!data.GetInteger())
228                 data.Set(SOMAXCONN);
229         return true;
230 }
231
232 bool ValidateDnsTimeout(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
233 {
234         if (!data.GetInteger())
235                 data.Set(5);
236         return true;
237 }
238
239 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
240 {
241         std::stringstream dcmds(data);
242         std::string thiscmd;
243
244         /* Enable everything first */
245         for (nspace::hash_map<std::string,command_t*>::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
246                 x->second->Disable(false);
247
248         /* Now disable all the ones which the user wants disabled */
249         while (dcmds >> thiscmd)
250         {
251                 nspace::hash_map<std::string,command_t*>::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
252                 if (cm != ServerInstance->Parser->cmdlist.end())
253                 {
254                         ServerInstance->Log(DEBUG,"Disabling command '%s'",cm->second->command.c_str());
255                         cm->second->Disable(true);
256                 }
257         }
258         return true;
259 }
260
261 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
262 {
263         if (!*(data.GetString()))
264         {
265                 // attempt to look up their nameserver from /etc/resolv.conf
266                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
267                 ifstream resolv("/etc/resolv.conf");
268                 std::string nameserver;
269                 bool found_server = false;
270
271                 if (resolv.is_open())
272                 {
273                         while (resolv >> nameserver)
274                         {
275                                 if ((nameserver == "nameserver") && (!found_server))
276                                 {
277                                         resolv >> nameserver;
278                                         data.Set(nameserver.c_str());
279                                         found_server = true;
280                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
281                                 }
282                         }
283
284                         if (!found_server)
285                         {
286                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
287                                 data.Set("127.0.0.1");
288                         }
289                 }
290                 else
291                 {
292                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
293                         data.Set("127.0.0.1");
294                 }
295         }
296         return true;
297 }
298
299 bool ValidateModPath(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
300 {
301         if (!*(data.GetString()))
302                 data.Set(MOD_PATH);
303         return true;
304 }
305
306
307 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
308 {
309         if (!strchr(data.GetString(),'.'))
310         {
311                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
312                 std::string moo = std::string(data.GetString()).append(".");
313                 data.Set(moo.c_str());
314         }
315         return true;
316 }
317
318 bool ValidateNetBufferSize(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
319 {
320         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
321         {
322                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
323                 data.Set(10240);
324         }
325         return true;
326 }
327
328 bool ValidateMaxWho(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
329 {
330         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1))
331         {
332                 conf->GetInstance()->Log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
333                 data.Set(128);
334         }
335         return true;
336 }
337
338 bool ValidateLogLevel(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
339 {
340         std::string dbg = data.GetString();
341         conf->LogLevel = DEFAULT;
342
343         if (dbg == "debug")
344                 conf->LogLevel = DEBUG;
345         else if (dbg  == "verbose")
346                 conf->LogLevel = VERBOSE;
347         else if (dbg == "default")
348                 conf->LogLevel = DEFAULT;
349         else if (dbg == "sparse")
350                 conf->LogLevel = SPARSE;
351         else if (dbg == "none")
352                 conf->LogLevel = NONE;
353
354         conf->debugging = (conf->LogLevel == DEBUG);
355
356         return true;
357 }
358
359 bool ValidateMotd(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
360 {
361         conf->ReadFile(conf->MOTD, data.GetString());
362         return true;
363 }
364
365 bool ValidateRules(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
366 {
367         conf->ReadFile(conf->RULES, data.GetString());
368         return true;
369 }
370
371 bool ValidateWhoWas(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
372 {
373         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
374
375         if (conf->WhoWasGroupSize < 0)
376                 conf->WhoWasGroupSize = 0;
377
378         if (conf->WhoWasMaxGroups < 0)
379                 conf->WhoWasMaxGroups = 0;
380
381         if (conf->WhoWasMaxKeep < 3600)
382         {
383                 conf->WhoWasMaxKeep = 3600;
384                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
385         }
386         conf->GetInstance()->Log(DEBUG,"whowas:groupsize:%d maxgroups:%d maxkeep:%d",conf->WhoWasGroupSize,conf->WhoWasMaxGroups,conf->WhoWasMaxKeep);
387         irc::whowas::PruneWhoWas(conf->GetInstance(), conf->GetInstance()->Time());
388         return true;
389 }
390
391 /* Callback called before processing the first <connect> tag
392  */
393 bool InitConnect(ServerConfig* conf, const char* tag)
394 {
395         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
396         conf->Classes.clear();
397         return true;
398 }
399
400 /* Callback called to process a single <connect> tag
401  */
402 bool DoConnect(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
403 {
404         ConnectClass c;
405         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
406         const char* deny = values[1].GetString();
407         const char* password = values[2].GetString();
408         int timeout = values[3].GetInteger();
409         int pingfreq = values[4].GetInteger();
410         int flood = values[5].GetInteger();
411         int threshold = values[6].GetInteger();
412         int sendq = values[7].GetInteger();
413         int recvq = values[8].GetInteger();
414         int localmax = values[9].GetInteger();
415         int globalmax = values[10].GetInteger();
416
417         if (*allow)
418         {
419                 c.host = allow;
420                 c.type = CC_ALLOW;
421                 c.pass = password;
422                 c.registration_timeout = timeout;
423                 c.pingtime = pingfreq;
424                 c.flood = flood;
425                 c.threshold = threshold;
426                 c.sendqmax = sendq;
427                 c.recvqmax = recvq;
428                 c.maxlocal = localmax;
429                 c.maxglobal = globalmax;
430
431
432                 if (c.maxlocal == 0)
433                         c.maxlocal = 3;
434                 if (c.maxglobal == 0)
435                         c.maxglobal = 3;
436                 if (c.threshold == 0)
437                 {
438                         c.threshold = 1;
439                         c.flood = 999;
440                         conf->GetInstance()->Log(DEFAULT,"Warning: Connect allow line '%s' has no flood/threshold settings. Setting this tag to 999 lines in 1 second.",c.host.c_str());
441                 }
442                 if (c.sendqmax == 0)
443                         c.sendqmax = 262114;
444                 if (c.recvqmax == 0)
445                         c.recvqmax = 4096;
446                 if (c.registration_timeout == 0)
447                         c.registration_timeout = 90;
448                 if (c.pingtime == 0)
449                         c.pingtime = 120;
450                 conf->Classes.push_back(c);
451         }
452         else
453         {
454                 c.host = deny;
455                 c.type = CC_DENY;
456                 conf->Classes.push_back(c);
457                 conf->GetInstance()->Log(DEBUG,"Read connect class type DENY, host=%s",deny);
458         }
459
460         return true;
461 }
462
463 /* Callback called when there are no more <connect> tags
464  */
465 bool DoneConnect(ServerConfig* conf, const char* tag)
466 {
467         conf->GetInstance()->Log(DEBUG,"DoneConnect called for tag: %s",tag);
468         return true;
469 }
470
471 /* Callback called before processing the first <uline> tag
472  */
473 bool InitULine(ServerConfig* conf, const char* tag)
474 {
475         conf->ulines.clear();
476         return true;
477 }
478
479 /* Callback called to process a single <uline> tag
480  */
481 bool DoULine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
482 {
483         const char* server = values[0].GetString();
484         conf->GetInstance()->Log(DEBUG,"Read ULINE '%s'",server);
485         conf->ulines.push_back(server);
486         return true;
487 }
488
489 /* Callback called when there are no more <uline> tags
490  */
491 bool DoneULine(ServerConfig* conf, const char* tag)
492 {
493         return true;
494 }
495
496 /* Callback called before processing the first <module> tag
497  */
498 bool InitModule(ServerConfig* conf, const char* tag)
499 {
500         old_module_names.clear();
501         new_module_names.clear();
502         added_modules.clear();
503         removed_modules.clear();
504         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
505         {
506                 old_module_names.push_back(*t);
507         }
508         return true;
509 }
510
511 /* Callback called to process a single <module> tag
512  */
513 bool DoModule(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
514 {
515         const char* modname = values[0].GetString();
516         new_module_names.push_back(modname);
517         return true;
518 }
519
520 /* Callback called when there are no more <module> tags
521  */
522 bool DoneModule(ServerConfig* conf, const char* tag)
523 {
524         // now create a list of new modules that are due to be loaded
525         // and a seperate list of modules which are due to be unloaded
526         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
527         {
528                 bool added = true;
529
530                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
531                 {
532                         if (*old == *_new)
533                                 added = false;
534                 }
535
536                 if (added)
537                         added_modules.push_back(*_new);
538         }
539
540         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
541         {
542                 bool removed = true;
543                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
544                 {
545                         if (*newm == *oldm)
546                                 removed = false;
547                 }
548
549                 if (removed)
550                         removed_modules.push_back(*oldm);
551         }
552         return true;
553 }
554
555 /* Callback called before processing the first <banlist> tag
556  */
557 bool InitMaxBans(ServerConfig* conf, const char* tag)
558 {
559         conf->maxbans.clear();
560         return true;
561 }
562
563 /* Callback called to process a single <banlist> tag
564  */
565 bool DoMaxBans(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
566 {
567         const char* channel = values[0].GetString();
568         int limit = values[1].GetInteger();
569         conf->maxbans[channel] = limit;
570         return true;
571 }
572
573 /* Callback called when there are no more <banlist> tags.
574  */
575 bool DoneMaxBans(ServerConfig* conf, const char* tag)
576 {
577         return true;
578 }
579
580 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, userrec* user)
581 {
582         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
583         if (bail)
584         {
585                 /* Unneeded because of the ServerInstance->Log() aboive? */
586                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
587                 InspIRCd::Exit(ERROR);
588         }
589         else
590         {
591                 std::string errors = errormessage;
592                 std::string::size_type start;
593                 unsigned int prefixlen;
594                 start = 0;
595                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
596                 prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
597                 if (user)
598                 {
599                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
600                         while (start < errors.length())
601                         {
602                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
603                                 start += 510 - prefixlen;
604                         }
605                 }
606                 else
607                 {
608                         ServerInstance->WriteOpers("There were errors in the configuration file:");
609                         while (start < errors.length())
610                         {
611                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
612                                 start += 360;
613                         }
614                 }
615                 return;
616         }
617 }
618
619 void ServerConfig::Read(bool bail, userrec* user)
620 {
621         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
622         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
623         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
624         std::ostringstream errstr;      /* String stream containing the error output */
625
626         /* These tags MUST occur and must ONLY occur once in the config file */
627         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
628
629         /* These tags can occur ONCE or not at all */
630         InitialConfig Values[] = {
631                 {"options",             "softlimit",                    new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
632                 {"options",             "somaxconn",                    new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
633                 {"server",              "name",                         new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
634                 {"server",              "description",                  new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
635                 {"server",              "network",                      new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
636                 {"admin",               "name",                         new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
637                 {"admin",               "email",                        new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
638                 {"admin",               "nick",                         new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
639                 {"files",               "motd",                         new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
640                 {"files",               "rules",                        new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
641                 {"power",               "diepass",                      new ValueContainerChar (this->diepass),                 DT_CHARPTR, NoValidation},      
642                 {"power",               "pause",                        new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
643                 {"power",               "restartpass",                  new ValueContainerChar (this->restartpass),             DT_CHARPTR, NoValidation},
644                 {"options",             "prefixquit",                   new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
645                 {"options",             "loglevel",                     new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
646                 {"options",             "netbuffersize",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
647                 {"options",             "maxwho",                       new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
648                 {"options",             "allowhalfop",                  new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
649                 {"dns",                 "server",                       new ValueContainerChar (this->DNSServer),               DT_CHARPTR, ValidateDnsServer},
650                 {"dns",                 "timeout",                      new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, ValidateDnsTimeout},
651                 {"options",             "moduledir",                    new ValueContainerChar (this->ModPath),                 DT_CHARPTR, ValidateModPath},
652                 {"disabled",            "commands",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
653                 {"options",             "userstats",                    new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
654                 {"options",             "customversion",                new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
655                 {"options",             "hidesplits",                   new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
656                 {"options",             "hidebans",                     new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
657                 {"options",             "hidewhois",                    new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
658                 {"options",             "operspywhois",                 new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
659                 {"options",             "nouserdns",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
660                 {"options",             "syntaxhints",                  new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
661                 {"options",             "cyclehosts",                   new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
662                 {"options",             "ircumsgprefix",                new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN, NoValidation},
663                 {"pid",                 "file",                         new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
664                 {"whowas",              "groupsize",                    new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
665                 {"whowas",              "maxgroups",                    new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
666                 {"whowas",              "maxkeep",                      new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
667                 {"die",                 "value",                        new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
668                 {NULL}
669         };
670
671         /* These tags can occur multiple times, and therefore they have special code to read them
672          * which is different to the code for reading the singular tags listed above.
673          */
674         MultiConfig MultiValues[] = {
675
676                 {"connect",
677                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
678                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
679                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
680                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
681                                 InitConnect, DoConnect, DoneConnect},
682
683                 {"uline",
684                                 {"server",      NULL},
685                                 {DT_CHARPTR},
686                                 InitULine,DoULine,DoneULine},
687
688                 {"banlist",
689                                 {"chan",        "limit",        NULL},
690                                 {DT_CHARPTR,    DT_INTEGER},
691                                 InitMaxBans, DoMaxBans, DoneMaxBans},
692
693                 {"module",
694                                 {"name",        NULL},
695                                 {DT_CHARPTR},
696                                 InitModule, DoModule, DoneModule},
697
698                 {"badip",
699                                 {"reason",      "ipmask",       NULL},
700                                 {DT_CHARPTR,    DT_CHARPTR},
701                                 InitXLine, DoZLine, DoneXLine},
702
703                 {"badnick",
704                                 {"reason",      "nick",         NULL},
705                                 {DT_CHARPTR,    DT_CHARPTR},
706                                 InitXLine, DoQLine, DoneXLine},
707
708                 {"badhost",
709                                 {"reason",      "host",         NULL},
710                                 {DT_CHARPTR,    DT_CHARPTR},
711                                 InitXLine, DoKLine, DoneXLine},
712
713                 {"exception",
714                                 {"reason",      "host",         NULL},
715                                 {DT_CHARPTR,    DT_CHARPTR},
716                                 InitXLine, DoELine, DoneXLine},
717
718                 {"type",
719                                 {"name",        "classes",      NULL},
720                                 {DT_CHARPTR,    DT_CHARPTR},
721                                 InitTypes, DoType, DoneClassesAndTypes},
722
723                 {"class",
724                                 {"name",        "commands",     NULL},
725                                 {DT_CHARPTR,    DT_CHARPTR},
726                                 InitClasses, DoClass, DoneClassesAndTypes},
727
728                 {NULL}
729         };
730
731         include_stack.clear();
732
733         /* Load and parse the config file, if there are any errors then explode */
734         
735         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
736         ConfigDataHash newconfig;
737         
738         if (this->LoadConf(newconfig, CONFIG_FILE, errstr))
739         {
740                 /* If we succeeded, set the ircd config to the new one */
741                 this->config_data = newconfig;  
742         }
743         else
744         {
745                 ReportConfigError(errstr.str(), bail, user);
746                 return;
747         }
748
749         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
750         try
751         {
752                 /* Check we dont have more than one of singular tags, or any of them missing
753                  */
754                 for (int Index = 0; Once[Index]; Index++)
755                         if (!CheckOnce(Once[Index], bail, user))
756                                 return;
757
758                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
759                  */
760                 for (int Index = 0; Values[Index].tag; Index++)
761                 {
762                         char item[MAXBUF];
763                         int dt = Values[Index].datatype;
764                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
765                         dt &= ~DT_ALLOW_NEWLINE;
766
767                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, 0, item, MAXBUF, allow_newlines);
768                         ValueItem vi(item);
769
770                         Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi);
771
772                         switch (Values[Index].datatype)
773                         {
774                                 case DT_CHARPTR:
775                                 {
776                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
777                                         vcc->Set(vi.GetString(), strlen(vi.GetString()));
778                                 }
779                                 break;
780                                 case DT_INTEGER:
781                                 {
782                                         int val = vi.GetInteger();
783                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
784                                         vci->Set(&val, sizeof(int));
785                                 }
786                                 break;
787                                 case DT_BOOLEAN:
788                                 {
789                                         bool val = vi.GetBool();
790                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
791                                         vcb->Set(&val, sizeof(bool));
792                                 }
793                                 break;
794                                 default:
795                                         /* You don't want to know what happens if someones bad code sends us here. */
796                                 break;
797                         }
798         
799                         /* We're done with this now */
800                         delete Values[Index].val;
801                 }
802
803                 /* Read the multiple-tag items (class tags, connect tags, etc)
804                  * and call the callbacks associated with them. We have three
805                  * callbacks for these, a 'start', 'item' and 'end' callback.
806                  */
807                 for (int Index = 0; MultiValues[Index].tag; Index++)
808                 {
809                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
810
811                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
812
813                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
814                         {
815                                 ValueList vl;
816                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
817                                 {
818                                         int dt = MultiValues[Index].datatype[valuenum];
819                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
820                                         dt &= ~DT_ALLOW_NEWLINE;
821
822                                         switch (dt)
823                                         {
824                                                 case DT_CHARPTR:
825                                                 {
826                                                         char item[MAXBUF];
827                                                         ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item, MAXBUF, allow_newlines);
828                                                         vl.push_back(ValueItem(item));
829                                                 }
830                                                 break;
831                                                 case DT_INTEGER:
832                                                 {
833                                                         int item;
834                                                         ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item);
835                                                         vl.push_back(ValueItem(item));
836                                                 }
837                                                 break;
838                                                 case DT_BOOLEAN:
839                                                 {
840                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum);
841                                                         vl.push_back(ValueItem(item));
842                                                 }
843                                                 break;
844                                                 default:
845                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
846                                                 break;
847                                         }
848                                 }
849         
850                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
851                         }
852         
853                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
854                 }
855
856         }
857
858         catch (CoreException &ce)
859         {
860                 ReportConfigError(ce.GetReason(), bail, user);
861                 return;
862         }
863
864         // write once here, to try it out and make sure its ok
865         ServerInstance->WritePID(this->PID);
866
867         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
868
869         /* If we're rehashing, let's load any new modules, and unload old ones
870          */
871         if (!bail)
872         {
873                 int found_ports = 0;
874                 FailedPortList pl;
875                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false, found_ports, pl);
876
877                 if (pl.size())
878                 {
879                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
880                         user->WriteServ("NOTICE %s :*** The following port%s failed to bind:", user->nick, found_ports - ServerInstance->stats->BoundPortCount != 1 ? "s" : "");
881                         int j = 1;
882                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
883                         {
884                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
885                         }
886                 }
887
888                 if (!removed_modules.empty())
889                 {
890                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
891                         {
892                                 if (ServerInstance->UnloadModule(removing->c_str()))
893                                 {
894                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
895
896                                         if (user)
897                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
898
899                                         rem++;
900                                 }
901                                 else
902                                 {
903                                         if (user)
904                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
905                                 }
906                         }
907                 }
908
909                 if (!added_modules.empty())
910                 {
911                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
912                         {
913                                 if (ServerInstance->LoadModule(adding->c_str()))
914                                 {
915                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
916         
917                                         if (user)
918                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
919         
920                                         add++;
921                                 }
922                                 else
923                                 {
924                                         if (user)
925                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
926                                 }
927                         }
928                 }
929
930                 ServerInstance->Log(DEFAULT,"Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(),(unsigned long)add,(unsigned long)added_modules.size());
931         }
932 }
933
934 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
935 {
936         std::ifstream conf(filename);
937         std::string line;
938         char ch;
939         long linenumber;
940         bool in_tag;
941         bool in_quote;
942         bool in_comment;
943         
944         linenumber = 1;
945         in_tag = false;
946         in_quote = false;
947         in_comment = false;
948         
949         /* Check if the file open failed first */
950         if (!conf)
951         {
952                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
953                 return false;
954         }
955         
956         /* Fix the chmod of the file to restrict it to the current user and group */
957         chmod(filename,0600);
958         
959         for (unsigned int t = 0; t < include_stack.size(); t++)
960         {
961                 if (std::string(filename) == include_stack[t])
962                 {
963                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
964                         return false;
965                 }
966         }
967         
968         /* It's not already included, add it to the list of files we've loaded */
969         include_stack.push_back(filename);
970         
971         /* Start reading characters... */       
972         while(conf.get(ch))
973         {
974                 /*
975                  * Here we try and get individual tags on separate lines,
976                  * this would be so easy if we just made people format
977                  * their config files like that, but they don't so...
978                  * We check for a '<' and then know the line is over when
979                  * we get a '>' not inside quotes. If we find two '<' and
980                  * no '>' then die with an error.
981                  */
982                 
983                 if((ch == '#') && !in_quote)
984                         in_comment = true;
985                 
986                 /*if(((ch == '\n') || (ch == '\r')) && in_quote)
987                 {
988                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
989                         return false;
990                 }*/
991                 
992                 switch(ch)
993                 {
994                         case '\n':
995                                 if (in_quote)
996                                 {
997                                         ServerInstance->Log(DEBUG, "Got \\n inside value");
998                                         line += '\n';
999                                 }
1000                                 linenumber++;
1001                         case '\r':
1002                                 if (!in_quote)
1003                                         in_comment = false;
1004                         case '\0':
1005                                 continue;
1006                         case '\t':
1007                                 ch = ' ';
1008                 }
1009                 
1010                 if(in_comment)
1011                         continue;
1012
1013                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1014                  * Note that this WILL NOT usually allow insertion of newlines,
1015                  * because a newline is two characters long. Use it primarily to
1016                  * insert the " symbol.
1017                  *
1018                  * Note that this also involves a further check when parsing the line,
1019                  * which can be found below.
1020                  */
1021                 if ((ch == '\\') && (in_quote) && (in_tag))
1022                 {
1023                         line += ch;
1024                         ServerInstance->Log(DEBUG,"Escape sequence in config line.");
1025                         char real_character;
1026                         if (conf.get(real_character))
1027                         {
1028                                 ServerInstance->Log(DEBUG,"Escaping %c", real_character);
1029                                 if (real_character == 'n')
1030                                         real_character = '\n';
1031                                 line += real_character;
1032                                 continue;
1033                         }
1034                         else
1035                         {
1036                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1037                                 return false;
1038                         }
1039                 }
1040
1041                 if (ch != '\r')
1042                         line += ch;
1043                 
1044                 if(ch == '<')
1045                 {
1046                         if(in_tag)
1047                         {
1048                                 if(!in_quote)
1049                                 {
1050                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1051                                         return false;
1052                                 }
1053                         }
1054                         else
1055                         {
1056                                 if(in_quote)
1057                                 {
1058                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1059                                         return false;
1060                                 }
1061                                 else
1062                                 {
1063                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1064                                         in_tag = true;
1065                                 }
1066                         }
1067                 }
1068                 else if(ch == '"')
1069                 {
1070                         if(in_tag)
1071                         {
1072                                 if(in_quote)
1073                                 {
1074                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1075                                         in_quote = false;
1076                                 }
1077                                 else
1078                                 {
1079                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1080                                         in_quote = true;
1081                                 }
1082                         }
1083                         else
1084                         {
1085                                 if(in_quote)
1086                                 {
1087                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1088                                 }
1089                                 else
1090                                 {
1091                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1092                                 }
1093                         }
1094                 }
1095                 else if(ch == '>')
1096                 {
1097                         if(!in_quote)
1098                         {
1099                                 if(in_tag)
1100                                 {
1101                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1102                                         in_tag = false;
1103
1104                                         /*
1105                                          * If this finds an <include> then ParseLine can simply call
1106                                          * LoadConf() and load the included config into the same ConfigDataHash
1107                                          */
1108                                         
1109                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1110                                                 return false;
1111                                         
1112                                         line.clear();
1113                                 }
1114                                 else
1115                                 {
1116                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1117                                         return false;
1118                                 }
1119                         }
1120                 }
1121         }
1122         
1123         return true;
1124 }
1125
1126 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1127 {
1128         return this->LoadConf(target, filename.c_str(), errorstream);
1129 }
1130
1131 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1132 {
1133         std::string tagname;
1134         std::string current_key;
1135         std::string current_value;
1136         KeyValList results;
1137         bool got_name;
1138         bool got_key;
1139         bool in_quote;
1140         
1141         got_name = got_key = in_quote = false;
1142
1143         //std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1144         
1145         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1146         {
1147                 if(!got_name)
1148                 {
1149                         /* We don't know the tag name yet. */
1150                         
1151                         if(*c != ' ')
1152                         {
1153                                 if(*c != '<')
1154                                 {
1155                                         tagname += *c;
1156                                 }
1157                         }
1158                         else
1159                         {
1160                                 /* We got to a space, we should have the tagname now. */
1161                                 if(tagname.length())
1162                                 {
1163                                         got_name = true;
1164                                 }
1165                         }
1166                 }
1167                 else
1168                 {
1169                         /* We have the tag name */
1170                         if (!got_key)
1171                         {
1172                                 /* We're still reading the key name */
1173                                 if (*c != '=')
1174                                 {
1175                                         if (*c != ' ')
1176                                         {
1177                                                 current_key += *c;
1178                                         }
1179                                 }
1180                                 else
1181                                 {
1182                                         /* We got an '=', end of the key name. */
1183                                         got_key = true;
1184                                 }
1185                         }
1186                         else
1187                         {
1188                                 /* We have the key name, now we're looking for quotes and the value */
1189
1190                                 /* Correctly handle escaped characters here.
1191                                  * See the XXX'ed section above.
1192                                  */
1193                                 if ((*c == '\\') && (in_quote))
1194                                 {
1195                                         c++;
1196                                         if (*c == 'n')
1197                                                 current_value += '\n';
1198                                         else
1199                                                 current_value += *c;
1200                                         continue;
1201                                 }
1202                                 else if ((*c == '\n') && (in_quote))
1203                                 {
1204                                         /* Got a 'real' \n, treat it as part of the value */
1205                                         current_value += '\n';
1206                                         continue;
1207                                 }
1208                                 else if ((*c == '\r') && (in_quote))
1209                                         /* Got a \r, drop it */
1210                                         continue;
1211
1212                                 if (*c == '"')
1213                                 {
1214                                         if (!in_quote)
1215                                         {
1216                                                 /* We're not already in a quote. */
1217                                                 in_quote = true;
1218                                         }
1219                                         else
1220                                         {
1221                                                 /* Leaving quotes, we have the value */
1222                                                 results.push_back(KeyVal(current_key, current_value));
1223
1224                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1225                                                 
1226                                                 in_quote = false;
1227                                                 got_key = false;
1228                                                 
1229                                                 if((tagname == "include") && (current_key == "file"))
1230                                                 {
1231                                                         if(!this->DoInclude(target, current_value, errorstream))
1232                                                                 return false;
1233                                                 }
1234                                                 
1235                                                 current_key.clear();
1236                                                 current_value.clear();
1237                                         }
1238                                 }
1239                                 else
1240                                 {
1241                                         if(in_quote)
1242                                         {
1243                                                 current_value += *c;
1244                                         }
1245                                 }
1246                         }
1247                 }
1248         }
1249         
1250         /* Finished parsing the tag, add it to the config hash */
1251         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1252         
1253         return true;
1254 }
1255
1256 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1257 {
1258         std::string confpath;
1259         std::string newfile;
1260         std::string::size_type pos;
1261         
1262         confpath = CONFIG_FILE;
1263         newfile = file;
1264         
1265         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1266         {
1267                 if (*c == '\\')
1268                 {
1269                         *c = '/';
1270                 }
1271         }
1272
1273         if (file[0] != '/')
1274         {
1275                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1276                 {
1277                         /* Leaves us with just the path */
1278                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1279                 }
1280                 else
1281                 {
1282                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1283                         return false;
1284                 }
1285         }
1286         
1287         return LoadConf(target, newfile, errorstream);
1288 }
1289
1290 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1291 {
1292         std::string value;
1293         bool r = ConfValue(target, std::string(tag), std::string(var), index, value, allow_linefeeds);
1294         strlcpy(result, value.c_str(), length);
1295         return r;
1296 }
1297
1298 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1299 {
1300         ConfigDataHash::size_type pos = index;
1301         if((pos >= 0) && (pos < target.count(tag)))
1302         {
1303                 ConfigDataHash::iterator iter = target.find(tag);
1304
1305                 for(int i = 0; i < index; i++)
1306                         iter++;
1307
1308                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1309                 {
1310                         if(j->first == var)
1311                         {
1312                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1313                                 {
1314                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1315                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1316                                                 if (*n == '\n')
1317                                                         *n = ' ';
1318                                 }
1319                                 else
1320                                 {
1321                                         result = j->second;
1322                                         return true;
1323                                 }
1324                         }
1325                 }
1326         }
1327         else if(pos == 0)
1328         {
1329                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1330         }
1331         else
1332         {
1333                 ServerInstance->Log(DEBUG, "ConfValue got an out-of-range index %d, there are only %d occurences of %s", pos, target.count(tag), tag.c_str());
1334         }
1335
1336         return false;
1337 }
1338         
1339 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1340 {
1341         return ConfValueInteger(target, std::string(tag), std::string(var), index, result);
1342 }
1343
1344 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1345 {
1346         std::string value;
1347         std::istringstream stream;
1348         bool r = ConfValue(target, tag, var, index, value);
1349         stream.str(value);
1350         if(!(stream >> result))
1351                 return false;
1352         return r;
1353 }
1354         
1355 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1356 {
1357         return ConfValueBool(target, std::string(tag), std::string(var), index);
1358 }
1359
1360 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1361 {
1362         std::string result;
1363         if(!ConfValue(target, tag, var, index, result))
1364                 return false;
1365         
1366         return ((result == "yes") || (result == "true") || (result == "1"));
1367 }
1368         
1369 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1370 {
1371         return target.count(tag);
1372 }
1373
1374 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1375 {
1376         return target.count(tag);
1377 }
1378         
1379 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1380 {
1381         return ConfVarEnum(target, std::string(tag), index);
1382 }
1383
1384 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1385 {
1386         ConfigDataHash::size_type pos = index;
1387         
1388         if((pos >= 0) && (pos < target.count(tag)))
1389         {
1390                 ConfigDataHash::const_iterator iter = target.find(tag);
1391                 
1392                 for(int i = 0; i < index; i++)
1393                         iter++;
1394                 
1395                 return iter->second.size();
1396         }
1397         else if(pos == 0)
1398         {
1399                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1400         }
1401         else
1402         {
1403                 ServerInstance->Log(DEBUG, "ConfVarEnum got an out-of-range index %d, there are only %d occurences of %s", pos, target.count(tag), tag.c_str());
1404         }
1405         
1406         return 0;
1407 }
1408
1409 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1410  */
1411 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1412 {
1413         FILE* file = NULL;
1414         char linebuf[MAXBUF];
1415
1416         F.clear();
1417         
1418         if (*fname != '/')
1419         {
1420                 std::string::size_type pos;
1421                 std::string confpath = CONFIG_FILE;
1422                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1423                 {
1424                         /* Leaves us with just the path */
1425                         std::string newfile = confpath.substr(0, pos) + std::string("/") + fname;
1426                         file =  fopen(newfile.c_str(), "r");
1427                         
1428                 }
1429         }
1430         else
1431                 file =  fopen(fname, "r");
1432
1433         if (file)
1434         {
1435                 while (!feof(file))
1436                 {
1437                         if (fgets(linebuf, sizeof(linebuf), file))
1438                                 linebuf[strlen(linebuf)-1] = 0;
1439                         else
1440                                 *linebuf = 0;
1441
1442                         if (!feof(file))
1443                         {
1444                                 F.push_back(*linebuf ? linebuf : " ");
1445                         }
1446                 }
1447
1448                 fclose(file);
1449         }
1450         else
1451                 return false;
1452
1453         return true;
1454 }
1455
1456 bool ServerConfig::FileExists(const char* file)
1457 {
1458         FILE *input;
1459         if ((input = fopen (file, "r")) == NULL)
1460         {
1461                 return false;
1462         }
1463         else
1464         {
1465                 fclose(input);
1466                 return true;
1467         }
1468 }
1469
1470 char* ServerConfig::CleanFilename(char* name)
1471 {
1472         char* p = name + strlen(name);
1473         while ((p != name) && (*p != '/')) p--;
1474         return (p != name ? ++p : p);
1475 }
1476
1477
1478 bool ServerConfig::DirValid(const char* dirandfile)
1479 {
1480         char work[MAXBUF];
1481         char buffer[MAXBUF];
1482         char otherdir[MAXBUF];
1483         int p;
1484
1485         strlcpy(work, dirandfile, MAXBUF);
1486         p = strlen(work);
1487
1488         // we just want the dir
1489         while (*work)
1490         {
1491                 if (work[p] == '/')
1492                 {
1493                         work[p] = '\0';
1494                         break;
1495                 }
1496
1497                 work[p--] = '\0';
1498         }
1499
1500         // Get the current working directory
1501         if (getcwd(buffer, MAXBUF ) == NULL )
1502                 return false;
1503
1504         if (chdir(work) == -1)
1505                 return false;
1506
1507         if (getcwd(otherdir, MAXBUF ) == NULL )
1508                 return false;
1509
1510         if (chdir(buffer) == -1)
1511                 return false;
1512
1513         size_t t = strlen(work);
1514
1515         if (strlen(otherdir) >= t)
1516         {
1517                 otherdir[t] = '\0';
1518
1519                 if (!strcmp(otherdir,work))
1520                 {
1521                         return true;
1522                 }
1523
1524                 return false;
1525         }
1526         else
1527         {
1528                 return false;
1529         }
1530 }
1531
1532 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1533 {
1534         char work[MAXBUF];
1535         char buffer[MAXBUF];
1536         char otherdir[MAXBUF];
1537         int p;
1538
1539         strlcpy(work,argv[0],MAXBUF);
1540         p = strlen(work);
1541
1542         // we just want the dir
1543         while (*work)
1544         {
1545                 if (work[p] == '/')
1546                 {
1547                         work[p] = '\0';
1548                         break;
1549                 }
1550
1551                 work[p--] = '\0';
1552         }
1553
1554         // Get the current working directory
1555         if (getcwd(buffer, MAXBUF) == NULL)
1556                 return "";
1557
1558         if (chdir(work) == -1)
1559                 return "";
1560
1561         if (getcwd(otherdir, MAXBUF) == NULL)
1562                 return "";
1563
1564         if (chdir(buffer) == -1)
1565                 return "";
1566
1567         return otherdir;
1568 }
1569
1570 InspIRCd* ServerConfig::GetInstance()
1571 {
1572         return ServerInstance;
1573 }
1574
1575
1576 ValueItem::ValueItem(int value)
1577 {
1578         std::stringstream n;
1579         n << value;
1580         v = n.str();
1581 }
1582
1583 ValueItem::ValueItem(bool value)
1584 {
1585         std::stringstream n;
1586         n << value;
1587         v = n.str();
1588 }
1589
1590 ValueItem::ValueItem(char* value)
1591 {
1592         v = value;
1593 }
1594
1595 void ValueItem::Set(char* value)
1596 {
1597         v = value;
1598 }
1599
1600 void ValueItem::Set(const char* value)
1601 {
1602         v = value;
1603 }
1604
1605 void ValueItem::Set(int value)
1606 {
1607         std::stringstream n;
1608         n << value;
1609         v = n.str();
1610 }
1611
1612 int ValueItem::GetInteger()
1613 {
1614         return atoi(v.c_str());
1615 }
1616
1617 char* ValueItem::GetString()
1618 {
1619         return (char*)v.c_str();
1620 }
1621
1622 bool ValueItem::GetBool()
1623 {
1624         return (GetInteger() || v == "yes" || v == "true");
1625 }
1626