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1 /*       +------------------------------------+
2  *       | Inspire Internet Relay Chat Daemon |
3  *       +------------------------------------+
4  *
5  *  InspIRCd: (C) 2002-2008 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 /* $Core: libIRCDconfigreader */
15 /* $CopyInstall: conf/inspircd.quotes.example $(CONPATH) */
16 /* $CopyInstall: conf/inspircd.rules.example $(CONPATH) */
17 /* $CopyInstall: conf/inspircd.motd.example $(CONPATH) */
18 /* $CopyInstall: conf/inspircd.helpop-full.example $(CONPATH) */
19 /* $CopyInstall: conf/inspircd.helpop.example $(CONPATH) */
20 /* $CopyInstall: conf/inspircd.censor.example $(CONPATH) */
21 /* $CopyInstall: conf/inspircd.filter.example $(CONPATH) */
22 /* $CopyInstall: docs/inspircd.conf.example $(CONPATH) */
23
24 #include "inspircd.h"
25 #include <fstream>
26 #include "xline.h"
27 #include "exitcodes.h"
28 #include "commands/cmd_whowas.h"
29
30 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
31
32 /* Needs forward declaration */
33 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
34 bool DoneELine(ServerConfig* conf, const char* tag);
35
36 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
37 {
38         this->ClearStack();
39         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
40         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0';
41         *DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
42         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
43         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
44         log_file = NULL;
45         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
46         CycleHosts = writelog = AllowHalfop = true;
47         dns_timeout = DieDelay = 5;
48         MaxTargets = 20;
49         NetBufferSize = 10240;
50         SoftLimit = MAXCLIENTS;
51         MaxConn = SOMAXCONN;
52         MaxWhoResults = 0;
53         debugging = 0;
54         MaxChans = 20;
55         OperMaxChans = 30;
56         LogLevel = DEFAULT;
57         maxbans.clear();
58         DNSServerValidator = &ValidateDnsServer;
59 }
60
61 void ServerConfig::ClearStack()
62 {
63         include_stack.clear();
64 }
65
66 Module* ServerConfig::GetIOHook(int port)
67 {
68         std::map<int,Module*>::iterator x = IOHookModule.find(port);
69         return (x != IOHookModule.end() ? x->second : NULL);
70 }
71
72 Module* ServerConfig::GetIOHook(BufferedSocket* is)
73 {
74         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
75         return (x != SocketIOHookModule.end() ? x->second : NULL);
76 }
77
78 bool ServerConfig::AddIOHook(int port, Module* iomod)
79 {
80         if (!GetIOHook(port))
81         {
82                 IOHookModule[port] = iomod;
83                 return true;
84         }
85         else
86         {
87                 throw ModuleException("Port already hooked by another module");
88                 return false;
89         }
90 }
91
92 bool ServerConfig::AddIOHook(Module* iomod, BufferedSocket* is)
93 {
94         if (!GetIOHook(is))
95         {
96                 SocketIOHookModule[is] = iomod;
97                 is->IsIOHooked = true;
98                 return true;
99         }
100         else
101         {
102                 throw ModuleException("BufferedSocket derived class already hooked by another module");
103                 return false;
104         }
105 }
106
107 bool ServerConfig::DelIOHook(int port)
108 {
109         std::map<int,Module*>::iterator x = IOHookModule.find(port);
110         if (x != IOHookModule.end())
111         {
112                 IOHookModule.erase(x);
113                 return true;
114         }
115         return false;
116 }
117
118 bool ServerConfig::DelIOHook(BufferedSocket* is)
119 {
120         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
121         if (x != SocketIOHookModule.end())
122         {
123                 SocketIOHookModule.erase(x);
124                 return true;
125         }
126         return false;
127 }
128
129 void ServerConfig::Update005()
130 {
131         std::stringstream out(data005);
132         std::string token;
133         std::string line5;
134         int token_counter = 0;
135         isupport.clear();
136         while (out >> token)
137         {
138                 line5 = line5 + token + " ";
139                 token_counter++;
140                 if (token_counter >= 13)
141                 {
142                         char buf[MAXBUF];
143                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
144                         isupport.push_back(buf);
145                         line5.clear();
146                         token_counter = 0;
147                 }
148         }
149         if (!line5.empty())
150         {
151                 char buf[MAXBUF];
152                 snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
153                 isupport.push_back(buf);
154         }
155 }
156
157 void ServerConfig::Send005(User* user)
158 {
159         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
160                 user->WriteServ("005 %s %s", user->nick, line->c_str());
161 }
162
163 bool ServerConfig::CheckOnce(const char* tag)
164 {
165         int count = ConfValueEnum(this->config_data, tag);
166
167         if (count > 1)
168         {
169                 throw CoreException("You have more than one <"+std::string(tag)+"> tag, this is not permitted.");
170                 return false;
171         }
172         if (count < 1)
173         {
174                 throw CoreException("You have not defined a <"+std::string(tag)+"> tag, this is required.");
175                 return false;
176         }
177         return true;
178 }
179
180 bool NoValidation(ServerConfig*, const char*, const char*, ValueItem&)
181 {
182         return true;
183 }
184
185 bool DoneConfItem(ServerConfig* conf, const char* tag)
186 {
187         return true;
188 }
189
190 void ServerConfig::ValidateNoSpaces(const char* p, const std::string &tag, const std::string &val)
191 {
192         for (const char* ptr = p; *ptr; ++ptr)
193         {
194                 if (*ptr == ' ')
195                         throw CoreException("The value of <"+tag+":"+val+"> cannot contain spaces");
196         }
197 }
198
199 /* NOTE: Before anyone asks why we're not using inet_pton for this, it is because inet_pton and friends do not return so much detail,
200  * even in strerror(errno). They just return 'yes' or 'no' to an address without such detail as to whats WRONG with the address.
201  * Because ircd users arent as technical as they used to be (;)) we are going to give more of a useful error message.
202  */
203 void ServerConfig::ValidateIP(const char* p, const std::string &tag, const std::string &val, bool wild)
204 {
205         int num_dots = 0;
206         int num_seps = 0;
207         int not_numbers = false;
208         int not_hex = false;
209
210         if (*p)
211         {
212                 if (*p == '.')
213                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
214
215                 for (const char* ptr = p; *ptr; ++ptr)
216                 {
217                         if (wild && (*ptr == '*' || *ptr == '?' || *ptr == '/'))
218                                 continue;
219
220                         if (*ptr != ':' && *ptr != '.')
221                         {
222                                 if (*ptr < '0' || *ptr > '9')
223                                         not_numbers = true;
224                                 if ((*ptr < '0' || *ptr > '9') && (toupper(*ptr) < 'A' || toupper(*ptr) > 'F'))
225                                         not_hex = true;
226                         }
227                         switch (*ptr)
228                         {
229                                 case ' ':
230                                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
231                                 case '.':
232                                         num_dots++;
233                                 break;
234                                 case ':':
235                                         num_seps++;
236                                 break;
237                         }
238                 }
239
240                 if (num_dots > 3)
241                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv4 address with too many fields!");
242
243                 if (num_seps > 8)
244                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv6 address with too many fields!");
245
246                 if (num_seps == 0 && num_dots < 3 && !wild)
247                         throw CoreException("The value of <"+tag+":"+val+"> looks to be a malformed IPv4 address");
248
249                 if (num_seps == 0 && num_dots == 3 && not_numbers)
250                         throw CoreException("The value of <"+tag+":"+val+"> contains non-numeric characters in an IPv4 address");
251
252                 if (num_seps != 0 && not_hex)
253                         throw CoreException("The value of <"+tag+":"+val+"> contains non-hexdecimal characters in an IPv6 address");
254
255                 if (num_seps != 0 && num_dots != 3 && num_dots != 0 && !wild)
256                         throw CoreException("The value of <"+tag+":"+val+"> is a malformed IPv6 4in6 address");
257         }
258 }
259
260 void ServerConfig::ValidateHostname(const char* p, const std::string &tag, const std::string &val)
261 {
262         int num_dots = 0;
263         if (*p)
264         {
265                 if (*p == '.')
266                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
267                 for (const char* ptr = p; *ptr; ++ptr)
268                 {
269                         switch (*ptr)
270                         {
271                                 case ' ':
272                                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
273                                 case '.':
274                                         num_dots++;
275                                 break;
276                         }
277                 }
278                 if (num_dots == 0)
279                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
280         }
281 }
282
283 bool ValidateMaxTargets(ServerConfig* conf, const char*, const char*, ValueItem &data)
284 {
285         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
286         {
287                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
288                 data.Set(20);
289         }
290         return true;
291 }
292
293 bool ValidateSoftLimit(ServerConfig* conf, const char*, const char*, ValueItem &data)
294 {
295         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
296         {
297                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
298                 data.Set(MAXCLIENTS);
299         }
300         return true;
301 }
302
303 bool ValidateMaxConn(ServerConfig* conf, const char*, const char*, ValueItem &data)
304 {
305         if (data.GetInteger() > SOMAXCONN)
306                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
307         return true;
308 }
309
310 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
311 {
312         std::stringstream dcmds(data);
313         std::string thiscmd;
314
315         /* Enable everything first */
316         for (Commandable::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
317                 x->second->Disable(false);
318
319         /* Now disable all the ones which the user wants disabled */
320         while (dcmds >> thiscmd)
321         {
322                 Commandable::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
323                 if (cm != ServerInstance->Parser->cmdlist.end())
324                 {
325                         cm->second->Disable(true);
326                 }
327         }
328         return true;
329 }
330
331 bool ValidateDnsServer(ServerConfig* conf, const char*, const char*, ValueItem &data)
332 {
333         if (!*(data.GetString()))
334         {
335                 std::string nameserver;
336                 // attempt to look up their nameserver from /etc/resolv.conf
337                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
338                 std::ifstream resolv("/etc/resolv.conf");
339                 bool found_server = false;
340
341                 if (resolv.is_open())
342                 {
343                         while (resolv >> nameserver)
344                         {
345                                 if ((nameserver == "nameserver") && (!found_server))
346                                 {
347                                         resolv >> nameserver;
348                                         data.Set(nameserver.c_str());
349                                         found_server = true;
350                                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
351                                 }
352                         }
353
354                         if (!found_server)
355                         {
356                                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
357                                 data.Set("127.0.0.1");
358                         }
359                 }
360                 else
361                 {
362                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
363                         data.Set("127.0.0.1");
364                 }
365         }
366         return true;
367 }
368
369 bool ValidateServerName(ServerConfig* conf, const char*, const char*, ValueItem &data)
370 {
371         /* If we already have a servername, and they changed it, we should throw an exception. */
372         if ((strcasecmp(conf->ServerName, data.GetString())) && (*conf->ServerName))
373         {
374                 throw CoreException("Configuration error: You cannot change your servername at runtime! Please restart your server for this change to be applied.");
375                 /* We don't actually reach this return of course... */
376                 return false;
377         }
378         if (!strchr(data.GetString(),'.'))
379         {
380                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
381                 std::string moo = std::string(data.GetString()).append(".");
382                 data.Set(moo.c_str());
383         }
384         return true;
385 }
386
387 bool ValidateNetBufferSize(ServerConfig* conf, const char*, const char*, ValueItem &data)
388 {
389         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
390         {
391                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
392                 data.Set(10240);
393         }
394         return true;
395 }
396
397 bool ValidateMaxWho(ServerConfig* conf, const char*, const char*, ValueItem &data)
398 {
399         if ((data.GetInteger() > 65535) || (data.GetInteger() < 1))
400         {
401                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"<options:maxwhoresults> size out of range, setting to default of 128.");
402                 data.Set(128);
403         }
404         return true;
405 }
406
407 bool ValidateLogLevel(ServerConfig* conf, const char*, const char*, ValueItem &data)
408 {
409         std::string dbg = data.GetString();
410         conf->LogLevel = DEFAULT;
411
412         if (dbg == "debug")
413                 conf->LogLevel = DEBUG;
414         else if (dbg  == "verbose")
415                 conf->LogLevel = VERBOSE;
416         else if (dbg == "default")
417                 conf->LogLevel = DEFAULT;
418         else if (dbg == "sparse")
419                 conf->LogLevel = SPARSE;
420         else if (dbg == "none")
421                 conf->LogLevel = NONE;
422
423         conf->debugging = (conf->LogLevel == DEBUG);
424
425         return true;
426 }
427
428 bool ValidateMotd(ServerConfig* conf, const char*, const char*, ValueItem &data)
429 {
430         conf->ReadFile(conf->MOTD, data.GetString());
431         return true;
432 }
433
434 bool ValidateNotEmpty(ServerConfig*, const char* tag, const char*, ValueItem &data)
435 {
436         if (!*data.GetString())
437                 throw CoreException(std::string("The value for ")+tag+" cannot be empty!");
438         return true;
439 }
440
441 bool ValidateRules(ServerConfig* conf, const char*, const char*, ValueItem &data)
442 {
443         conf->ReadFile(conf->RULES, data.GetString());
444         return true;
445 }
446
447 bool ValidateModeLists(ServerConfig* conf, const char*, const char*, ValueItem &data)
448 {
449         memset(conf->HideModeLists, 0, 256);
450         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
451                 conf->HideModeLists[*x] = true;
452         return true;
453 }
454
455 bool ValidateExemptChanOps(ServerConfig* conf, const char*, const char*, ValueItem &data)
456 {
457         memset(conf->ExemptChanOps, 0, 256);
458         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
459                 conf->ExemptChanOps[*x] = true;
460         return true;
461 }
462
463 bool ValidateInvite(ServerConfig* conf, const char*, const char*, ValueItem &data)
464 {
465         std::string v = data.GetString();
466
467         if (v == "ops")
468                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_OPS;
469         else if (v == "all")
470                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_ALL;
471         else if (v == "dynamic")
472                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_DYNAMIC;
473         else
474                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_NONE;
475
476         return true;
477 }
478
479 bool ValidateSID(ServerConfig* conf, const char*, const char*, ValueItem &data)
480 {
481         const char *sid = data.GetString();
482
483         if (*sid && !conf->GetInstance()->IsSID(sid))
484         {
485                 throw CoreException(std::string(sid) + " is not a valid server ID. A server ID must be 3 characters long, with the first character a digit and the next two characters a digit or letter.");
486         }
487
488         return true;
489 }
490
491 bool ValidateWhoWas(ServerConfig* conf, const char*, const char*, ValueItem &data)
492 {
493         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
494
495         if (conf->WhoWasGroupSize < 0)
496                 conf->WhoWasGroupSize = 0;
497
498         if (conf->WhoWasMaxGroups < 0)
499                 conf->WhoWasMaxGroups = 0;
500
501         if (conf->WhoWasMaxKeep < 3600)
502         {
503                 conf->WhoWasMaxKeep = 3600;
504                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
505         }
506
507         Command* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
508         if (whowas_command)
509         {
510                 std::deque<classbase*> params;
511                 whowas_command->HandleInternal(WHOWAS_PRUNE, params);
512         }
513
514         return true;
515 }
516
517 /* Callback called before processing the first <connect> tag
518  */
519 bool InitConnect(ServerConfig* conf, const char*)
520 {
521         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Reading connect classes...");
522
523         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end(); i++)
524         {
525                 ConnectClass *c = *i;
526
527                 conf->GetInstance()->Logs->Log("CONFIG",DEBUG, "Address of class is %p", c);
528         }
529
530         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end() ; )
531         {
532                 ConnectClass* c = *i;
533
534                 /* only delete a class with refcount 0 */
535                 if (c->RefCount == 0)
536                 {
537                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Removing connect class, refcount is 0!");
538                         
539                         /* This was causing a crash, because we'd set i to .begin() just here, but then the for loop's increment would
540                          * set it to .begin() + 1. Which if it was already the last thing in the list, wasn't good.
541                          * Now the increment is in the else { } below.
542                          */
543                         conf->Classes.erase(i);
544                         i = conf->Classes.begin(); // start over so we don't trample on a bad iterator
545                 }
546                 else
547                 {
548                         /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */
549                         c->SetDisabled(true);
550                         i++;
551                 }
552         }
553
554         return true;
555 }
556
557 /* Callback called to process a single <connect> tag
558  */
559 bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
560 {
561         ConnectClass c;
562         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
563         const char* deny = values[1].GetString();
564         const char* password = values[2].GetString();
565         int timeout = values[3].GetInteger();
566         int pingfreq = values[4].GetInteger();
567         int flood = values[5].GetInteger();
568         int threshold = values[6].GetInteger();
569         int sendq = values[7].GetInteger();
570         int recvq = values[8].GetInteger();
571         int localmax = values[9].GetInteger();
572         int globalmax = values[10].GetInteger();
573         int port = values[11].GetInteger();
574         const char* name = values[12].GetString();
575         const char* parent = values[13].GetString();
576         int maxchans = values[14].GetInteger();
577         unsigned long limit = values[15].GetInteger();
578         const char* hashtype = values[16].GetString();
579
580         /*
581          * duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes.
582          * easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t
583          */
584         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
585         {
586                 ConnectClass* cc = *item;
587                 if ((*name && (cc->GetName() == name)) || (*allow && (cc->GetHost() == allow)) || (*deny && (cc->GetHost() == deny)))
588                 {
589                         /* reenable class so users can be shoved into it :P */
590                         cc->SetDisabled(false);
591                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Not adding class, it already exists!");
592                         return true;
593                 } 
594         }
595
596         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Adding a connect class!");
597
598         if (*parent)
599         {
600                 /* Find 'parent' and inherit a new class from it,
601                  * then overwrite any values that are set here
602                  */
603                 ClassVector::iterator item = conf->Classes.begin();
604                 for (; item != conf->Classes.end(); ++item)
605                 {
606                         ConnectClass* cc = *item;
607                         conf->GetInstance()->Logs->Log("CONFIG",DEBUG,"Class: %s", cc->GetName().c_str());
608                         if (cc->GetName() == parent)
609                         {
610                                 ConnectClass* newclass = new ConnectClass(name, cc);
611                                 newclass->Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
612                                 conf->Classes.push_back(newclass);
613                                 break;
614                         }
615                 }
616                 if (item == conf->Classes.end())
617                         throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
618         }
619         else
620         {
621                 if (*allow)
622                 {
623                         ConnectClass* cc = new ConnectClass(name, timeout, flood, allow, pingfreq, password, hashtype, threshold, sendq, recvq, localmax, globalmax, maxchans);
624                         cc->limit = limit;
625                         cc->SetPort(port);
626                         conf->Classes.push_back(cc);
627                 }
628                 else
629                 {
630                         ConnectClass* cc = new ConnectClass(name, deny);
631                         cc->SetPort(port);
632                         conf->Classes.push_back(cc);
633                 }
634         }
635
636         return true;
637 }
638
639 /* Callback called when there are no more <connect> tags
640  */
641 bool DoneConnect(ServerConfig *conf, const char*)
642 {
643         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Done adding connect classes!");
644         return true;
645 }
646
647 /* Callback called before processing the first <uline> tag
648  */
649 bool InitULine(ServerConfig* conf, const char*)
650 {
651         conf->ulines.clear();
652         return true;
653 }
654
655 /* Callback called to process a single <uline> tag
656  */
657 bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*)
658 {
659         const char* server = values[0].GetString();
660         const bool silent = values[1].GetBool();
661         conf->ulines[server] = silent;
662         return true;
663 }
664
665 /* Callback called when there are no more <uline> tags
666  */
667 bool DoneULine(ServerConfig*, const char*)
668 {
669         return true;
670 }
671
672 /* Callback called before processing the first <module> tag
673  */
674 bool InitModule(ServerConfig* conf, const char*)
675 {
676         old_module_names = conf->GetInstance()->Modules->GetAllModuleNames(0);
677         new_module_names.clear();
678         added_modules.clear();
679         removed_modules.clear();
680         return true;
681 }
682
683 /* Callback called to process a single <module> tag
684  */
685 bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
686 {
687         const char* modname = values[0].GetString();
688         new_module_names.push_back(modname);
689         return true;
690 }
691
692 /* Callback called when there are no more <module> tags
693  */
694 bool DoneModule(ServerConfig*, const char*)
695 {
696         // now create a list of new modules that are due to be loaded
697         // and a seperate list of modules which are due to be unloaded
698         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
699         {
700                 bool added = true;
701
702                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
703                 {
704                         if (*old == *_new)
705                                 added = false;
706                 }
707
708                 if (added)
709                         added_modules.push_back(*_new);
710         }
711
712         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
713         {
714                 bool removed = true;
715                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
716                 {
717                         if (*newm == *oldm)
718                                 removed = false;
719                 }
720
721                 if (removed)
722                         removed_modules.push_back(*oldm);
723         }
724         return true;
725 }
726
727 /* Callback called before processing the first <banlist> tag
728  */
729 bool InitMaxBans(ServerConfig* conf, const char*)
730 {
731         conf->maxbans.clear();
732         return true;
733 }
734
735 /* Callback called to process a single <banlist> tag
736  */
737 bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
738 {
739         const char* channel = values[0].GetString();
740         int limit = values[1].GetInteger();
741         conf->maxbans[channel] = limit;
742         return true;
743 }
744
745 /* Callback called when there are no more <banlist> tags.
746  */
747 bool DoneMaxBans(ServerConfig*, const char*)
748 {
749         return true;
750 }
751
752 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
753 {
754         ServerInstance->Logs->Log("CONFIG",DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
755         if (bail)
756         {
757                 /* Unneeded because of the ServerInstance->Log() aboive? */
758                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
759                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
760         }
761         else
762         {
763                 std::string errors = errormessage;
764                 std::string::size_type start;
765                 unsigned int prefixlen;
766                 start = 0;
767                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
768                 if (user)
769                 {
770                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
771                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
772                         while (start < errors.length())
773                         {
774                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
775                                 start += 510 - prefixlen;
776                         }
777                 }
778                 else
779                 {
780                         ServerInstance->SNO->WriteToSnoMask('A', "There were errors in the configuration file:");
781                         while (start < errors.length())
782                         {
783                                 ServerInstance->SNO->WriteToSnoMask('A', errors.substr(start, 360).c_str());
784                                 start += 360;
785                         }
786                 }
787                 return;
788         }
789 }
790
791 void ServerConfig::Read(bool bail, User* user)
792 {
793         int rem = 0, add = 0;      /* Number of modules added, number of modules removed */
794
795         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
796         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
797         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
798         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
799         static char announceinvites[MAXBUF];    /* options:announceinvites setting */
800         errstr.clear();
801
802         include_stack.clear();
803
804         /* These tags MUST occur and must ONLY occur once in the config file */
805         static const char* Once[] = { "server", "admin", "files", "power", "options", NULL };
806
807         /* These tags can occur ONCE or not at all */
808         InitialConfig Values[] = {
809                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER,  ValidateSoftLimit},
810                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER,  ValidateMaxConn},
811                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR,  NoValidation},
812                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_HOSTNAME, ValidateServerName},
813                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR,  NoValidation},
814                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_NOSPACES, NoValidation},
815                 {"server",      "id",           "",                     new ValueContainerChar (this->sid),                     DT_CHARPTR,  ValidateSID},
816                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR,  NoValidation},
817                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR,  NoValidation},
818                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR,  NoValidation},
819                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR,  ValidateMotd},
820                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR,  ValidateRules},
821                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR,  ValidateNotEmpty},
822                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER,  NoValidation},
823                 {"power",       "hash",         "",                     new ValueContainerChar (this->powerhash),               DT_CHARPTR,  NoValidation},
824                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR,  ValidateNotEmpty},
825                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR,  NoValidation},
826                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR,  NoValidation},
827                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR,  NoValidation},
828                 {"options",     "prefixpart",   "",                     new ValueContainerChar (this->PrefixPart),              DT_CHARPTR,  NoValidation},
829                 {"options",     "suffixpart",   "",                     new ValueContainerChar (this->SuffixPart),              DT_CHARPTR,  NoValidation},
830                 {"options",     "fixedpart",    "",                     new ValueContainerChar (this->FixedPart),               DT_CHARPTR,  NoValidation},
831                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR,  ValidateLogLevel},
832                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER,  ValidateNetBufferSize},
833                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER,  ValidateMaxWho},
834                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN,  NoValidation},
835                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_IPADDRESS,DNSServerValidator},
836                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER,  NoValidation},
837                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR,  NoValidation},
838                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR,  NoValidation},
839                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR,  NoValidation},
840                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR,  NoValidation},
841                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN,  NoValidation},
842                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN,  NoValidation},
843                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_NOSPACES, NoValidation},
844                 {"options",     "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_NOSPACES,  NoValidation},
845                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN,  NoValidation},
846                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN,  NoValidation},
847                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN,  NoValidation},
848                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN,  NoValidation},
849                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN,  NoValidation},
850                 {"options",     "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR,  ValidateInvite},
851                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN,  NoValidation},
852                 {"options",     "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR,  ValidateModeLists},
853                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR,  ValidateExemptChanOps},
854                 {"options",     "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER,  ValidateMaxTargets},
855                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR,  NoValidation},
856                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR,  NoValidation},
857                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER,  NoValidation},
858                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER,  NoValidation},
859                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR,  ValidateWhoWas},
860                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR,  NoValidation},
861                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER,  NoValidation},
862                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER,  NoValidation},
863                 {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING,  NoValidation}
864         };
865
866         /* These tags can occur multiple times, and therefore they have special code to read them
867          * which is different to the code for reading the singular tags listed above.
868          */
869         MultiConfig MultiValues[] = {
870
871                 {"connect",
872                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
873                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
874                                 "name",         "parent",       "maxchans",     "limit",        "hash",
875                                 NULL},
876                                 {"",            "",             "",             "",             "120",          "",
877                                  "",            "",             "",             "3",            "3",            "0",
878                                  "",            "",             "0",        "0",        "",
879                                  NULL},
880                                 {DT_IPADDRESS|DT_ALLOW_WILD,
881                                                 DT_IPADDRESS|DT_ALLOW_WILD,
882                                                                 DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
883                                 DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
884                                 DT_NOSPACES,    DT_NOSPACES,    DT_INTEGER,     DT_INTEGER,     DT_CHARPTR},
885                                 InitConnect, DoConnect, DoneConnect},
886
887                 {"uline",
888                                 {"server",      "silent",       NULL},
889                                 {"",            "0",            NULL},
890                                 {DT_HOSTNAME,   DT_BOOLEAN},
891                                 InitULine,DoULine,DoneULine},
892
893                 {"banlist",
894                                 {"chan",        "limit",        NULL},
895                                 {"",            "",             NULL},
896                                 {DT_CHARPTR,    DT_INTEGER},
897                                 InitMaxBans, DoMaxBans, DoneMaxBans},
898
899                 {"module",
900                                 {"name",        NULL},
901                                 {"",            NULL},
902                                 {DT_CHARPTR},
903                                 InitModule, DoModule, DoneModule},
904
905                 {"badip",
906                                 {"reason",      "ipmask",       NULL},
907                                 {"No reason",   "",             NULL},
908                                 {DT_CHARPTR,    DT_IPADDRESS|DT_ALLOW_WILD},
909                                 InitXLine, DoZLine, DoneConfItem},
910
911                 {"badnick",
912                                 {"reason",      "nick",         NULL},
913                                 {"No reason",   "",             NULL},
914                                 {DT_CHARPTR,    DT_CHARPTR},
915                                 InitXLine, DoQLine, DoneConfItem},
916         
917                 {"badhost",
918                                 {"reason",      "host",         NULL},
919                                 {"No reason",   "",             NULL},
920                                 {DT_CHARPTR,    DT_CHARPTR},
921                                 InitXLine, DoKLine, DoneConfItem},
922
923                 {"exception",
924                                 {"reason",      "host",         NULL},
925                                 {"No reason",   "",             NULL},
926                                 {DT_CHARPTR,    DT_CHARPTR},
927                                 InitXLine, DoELine, DoneELine},
928         
929                 {"type",
930                                 {"name",        "classes",      NULL},
931                                 {"",            "",             NULL},
932                                 {DT_NOSPACES,   DT_CHARPTR},
933                                 InitTypes, DoType, DoneClassesAndTypes},
934
935                 {"class",
936                                 {"name",        "commands",     NULL},
937                                 {"",            "",             NULL},
938                                 {DT_NOSPACES,   DT_CHARPTR},
939                                 InitClasses, DoClass, DoneClassesAndTypes},
940         
941                 {NULL,
942                                 {NULL},
943                                 {NULL},
944                                 {0},
945                                 NULL, NULL, NULL}
946         };
947
948         /* Load and parse the config file, if there are any errors then explode */
949
950         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
951         newconfig.clear();
952
953         if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr))
954         {
955                 /* If we succeeded, set the ircd config to the new one */
956                 this->config_data = newconfig;
957         }
958         else
959         {
960                 ReportConfigError(errstr.str(), bail, user);
961                 return;
962         }
963
964         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
965         try
966         {
967                 /* Check we dont have more than one of singular tags, or any of them missing
968                  */
969                 for (int Index = 0; Once[Index]; Index++)
970                         if (!CheckOnce(Once[Index]))
971                                 return;
972
973                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
974                  */
975                 for (int Index = 0; Values[Index].tag; Index++)
976                 {
977                         char item[MAXBUF];
978                         int dt = Values[Index].datatype;
979                         bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
980                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
981                         dt &= ~DT_ALLOW_NEWLINE;
982                         dt &= ~DT_ALLOW_WILD;
983
984                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
985                         ValueItem vi(item);
986                         
987                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
988                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
989         
990                         switch (Values[Index].datatype)
991                         {
992                                 case DT_NOSPACES:
993                                 {
994                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
995                                         this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
996                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
997                                 }
998                                 break;
999                                 case DT_HOSTNAME:
1000                                 {
1001                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1002                                         this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
1003                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1004                                 }
1005                                 break;
1006                                 case DT_IPADDRESS:
1007                                 {
1008                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1009                                         this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
1010                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1011                                 }
1012                                 break;
1013                                 case DT_CHANNEL:
1014                                 {
1015                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1016                                         if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
1017                                                 throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
1018                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1019                                 }
1020                                 break;
1021                                 case DT_CHARPTR:
1022                                 {
1023                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1024                                         /* Make sure we also copy the null terminator */
1025                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1026                                 }
1027                                 break;
1028                                 case DT_INTEGER:
1029                                 {
1030                                         int val = vi.GetInteger();
1031                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
1032                                         vci->Set(&val, sizeof(int));
1033                                 }
1034                                 break;
1035                                 case DT_BOOLEAN:
1036                                 {
1037                                         bool val = vi.GetBool();
1038                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
1039                                         vcb->Set(&val, sizeof(bool));
1040                                 }
1041                                 break;
1042                                 default:
1043                                         /* You don't want to know what happens if someones bad code sends us here. */
1044                                 break;
1045                         }
1046                         /* We're done with this now */
1047                         delete Values[Index].val;
1048                 }
1049
1050                 /* Read the multiple-tag items (class tags, connect tags, etc)
1051                  * and call the callbacks associated with them. We have three
1052                  * callbacks for these, a 'start', 'item' and 'end' callback.
1053                  */
1054                 for (int Index = 0; MultiValues[Index].tag; Index++)
1055                 {
1056                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
1057
1058                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
1059
1060                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
1061                         {
1062                                 ValueList vl;
1063                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
1064                                 {
1065                                         int dt = MultiValues[Index].datatype[valuenum];
1066                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
1067                                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
1068                                         dt &= ~DT_ALLOW_NEWLINE;
1069                                         dt &= ~DT_ALLOW_WILD;
1070
1071                                         switch (dt)
1072                                         {
1073                                                 case DT_NOSPACES:
1074                                                 {
1075                                                         char item[MAXBUF];
1076                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1077                                                                 vl.push_back(ValueItem(item));
1078                                                         else
1079                                                                 vl.push_back(ValueItem(""));
1080                                                         this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1081                                                 }
1082                                                 break;
1083                                                 case DT_HOSTNAME:
1084                                                 {
1085                                                         char item[MAXBUF];
1086                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1087                                                                 vl.push_back(ValueItem(item));
1088                                                         else
1089                                                                 vl.push_back(ValueItem(""));
1090                                                         this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1091                                                 }
1092                                                 break;
1093                                                 case DT_IPADDRESS:
1094                                                 {
1095                                                         char item[MAXBUF];
1096                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1097                                                                 vl.push_back(ValueItem(item));
1098                                                         else
1099                                                                 vl.push_back(ValueItem(""));
1100                                                         this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
1101                                                 }
1102                                                 break;
1103                                                 case DT_CHANNEL:
1104                                                 {
1105                                                         char item[MAXBUF];
1106                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1107                                                                 vl.push_back(ValueItem(item));
1108                                                         else
1109                                                                 vl.push_back(ValueItem(""));
1110                                                         if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
1111                                                                 throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
1112                                                 }
1113                                                 break;
1114                                                 case DT_CHARPTR:
1115                                                 {
1116                                                         char item[MAXBUF];
1117                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1118                                                                 vl.push_back(ValueItem(item));
1119                                                         else
1120                                                                 vl.push_back(ValueItem(""));
1121                                                 }
1122                                                 break;
1123                                                 case DT_INTEGER:
1124                                                 {
1125                                                         int item = 0;
1126                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
1127                                                                 vl.push_back(ValueItem(item));
1128                                                         else
1129                                                                 vl.push_back(ValueItem(0));
1130                                                 }
1131                                                 break;
1132                                                 case DT_BOOLEAN:
1133                                                 {
1134                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
1135                                                         vl.push_back(ValueItem(item));
1136                                                 }
1137                                                 break;
1138                                                 default:
1139                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
1140                                                 break;
1141                                         }
1142                                 }
1143                                         MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
1144                         }
1145                                 MultiValues[Index].finish_function(this, MultiValues[Index].tag);
1146                 }
1147
1148         }
1149
1150         catch (CoreException &ce)
1151         {
1152                 ReportConfigError(ce.GetReason(), bail, user);
1153                 return;
1154         }
1155
1156         // write once here, to try it out and make sure its ok
1157         ServerInstance->WritePID(this->PID);
1158
1159         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
1160
1161         /* Switch over logfiles */
1162         ServerInstance->Logs->CloseLogs();
1163         ServerInstance->Logs->OpenFileLogs();
1164
1165         /* If we're rehashing, let's load any new modules, and unload old ones
1166          */
1167         if (!bail)
1168         {
1169                 int found_ports = 0;
1170                 FailedPortList pl;
1171                 ServerInstance->BindPorts(false, found_ports, pl);
1172
1173                 if (pl.size() && user)
1174                 {
1175                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
1176                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
1177                         int j = 1;
1178                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
1179                         {
1180                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
1181                         }
1182                 }
1183
1184                 if (!removed_modules.empty())
1185                 {
1186                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
1187                         {
1188                                 if (ServerInstance->Modules->Unload(removing->c_str()))
1189                                 {
1190                                         ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH UNLOADED MODULE: %s",removing->c_str());
1191
1192                                         if (user)
1193                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
1194
1195                                         rem++;
1196                                 }
1197                                 else
1198                                 {
1199                                         if (user)
1200                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->Modules->LastError().c_str());
1201                                 }
1202                         }
1203                 }
1204
1205                 if (!added_modules.empty())
1206                 {
1207                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
1208                         {
1209                                 if (ServerInstance->Modules->Load(adding->c_str()))
1210                                 {
1211                                         ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH LOADED MODULE: %s",adding->c_str());
1212
1213                                         if (user)
1214                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
1215
1216                                         add++;
1217                                 }
1218                                 else
1219                                 {
1220                                         if (user)
1221                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->Modules->LastError().c_str());
1222                                 }
1223                         }
1224                 }
1225
1226                 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());
1227         }
1228
1229         /** Note: This is safe, the method checks for user == NULL */
1230         ServerInstance->Parser->SetupCommandTable(user);
1231
1232         if (user)
1233                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
1234         else
1235                 ServerInstance->SNO->WriteToSnoMask('A', "*** Successfully rehashed server.");
1236
1237 }
1238
1239
1240 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
1241 {
1242         std::ifstream conf(filename);
1243         std::string line;
1244         char ch;
1245         long linenumber;
1246         bool in_tag;
1247         bool in_quote;
1248         bool in_comment;
1249         int character_count = 0;
1250
1251         linenumber = 1;
1252         in_tag = false;
1253         in_quote = false;
1254         in_comment = false;
1255
1256         /* Check if the file open failed first */
1257         if (!conf)
1258         {
1259                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
1260                 return false;
1261         }
1262
1263         /* Fix the chmod of the file to restrict it to the current user and group */
1264         chmod(filename,0600);
1265
1266         for (unsigned int t = 0; t < include_stack.size(); t++)
1267         {
1268                 if (std::string(filename) == include_stack[t])
1269                 {
1270                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
1271                         return false;
1272                 }
1273         }
1274
1275         /* It's not already included, add it to the list of files we've loaded */
1276         include_stack.push_back(filename);
1277
1278         /* Start reading characters... */
1279         while (conf.get(ch))
1280         {
1281
1282                 /*
1283                  * Fix for moronic windows issue spotted by Adremelech.
1284                  * Some windows editors save text files as utf-16, which is
1285                  * a total pain in the ass to parse. Users should save in the
1286                  * right config format! If we ever see a file where the first
1287                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1288                  * this is most likely a utf-16 file. Bail out and insult user.
1289                  */
1290                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1291                 {
1292                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1293                         return false;
1294                 }
1295
1296                 /*
1297                  * Here we try and get individual tags on separate lines,
1298                  * this would be so easy if we just made people format
1299                  * their config files like that, but they don't so...
1300                  * We check for a '<' and then know the line is over when
1301                  * we get a '>' not inside quotes. If we find two '<' and
1302                  * no '>' then die with an error.
1303                  */
1304
1305                 if ((ch == '#') && !in_quote)
1306                         in_comment = true;
1307
1308                 switch (ch)
1309                 {
1310                         case '\n':
1311                                 if (in_quote)
1312                                         line += '\n';
1313                                 linenumber++;
1314                         case '\r':
1315                                 if (!in_quote)
1316                                         in_comment = false;
1317                         case '\0':
1318                                 continue;
1319                         case '\t':
1320                                 ch = ' ';
1321                 }
1322
1323                 if(in_comment)
1324                         continue;
1325
1326                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1327                  * Note that this WILL NOT usually allow insertion of newlines,
1328                  * because a newline is two characters long. Use it primarily to
1329                  * insert the " symbol.
1330                  *
1331                  * Note that this also involves a further check when parsing the line,
1332                  * which can be found below.
1333                  */
1334                 if ((ch == '\\') && (in_quote) && (in_tag))
1335                 {
1336                         line += ch;
1337                         char real_character;
1338                         if (conf.get(real_character))
1339                         {
1340                                 if (real_character == 'n')
1341                                         real_character = '\n';
1342                                 line += real_character;
1343                                 continue;
1344                         }
1345                         else
1346                         {
1347                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1348                                 return false;
1349                         }
1350                 }
1351
1352                 if (ch != '\r')
1353                         line += ch;
1354
1355                 if (ch == '<')
1356                 {
1357                         if (in_tag)
1358                         {
1359                                 if (!in_quote)
1360                                 {
1361                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1362                                         return false;
1363                                 }
1364                         }
1365                         else
1366                         {
1367                                 if (in_quote)
1368                                 {
1369                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1370                                         return false;
1371                                 }
1372                                 else
1373                                 {
1374                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1375                                         in_tag = true;
1376                                 }
1377                         }
1378                 }
1379                 else if (ch == '"')
1380                 {
1381                         if (in_tag)
1382                         {
1383                                 if (in_quote)
1384                                 {
1385                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1386                                         in_quote = false;
1387                                 }
1388                                 else
1389                                 {
1390                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1391                                         in_quote = true;
1392                                 }
1393                         }
1394                         else
1395                         {
1396                                 if (in_quote)
1397                                 {
1398                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1399                                 }
1400                                 else
1401                                 {
1402                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1403                                 }
1404                         }
1405                 }
1406                 else if (ch == '>')
1407                 {
1408                         {
1409                                 if (in_tag)
1410                                 {
1411                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1412                                         in_tag = false;
1413
1414                                         /*
1415                                          * If this finds an <include> then ParseLine can simply call
1416                                          * LoadConf() and load the included config into the same ConfigDataHash
1417                                          */
1418
1419                                         if (!this->ParseLine(target, line, linenumber, errorstream))
1420                                                 return false;
1421
1422                                         line.clear();
1423                                 }
1424                                 else
1425                                 {
1426                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1427                                         return false;
1428                                 }
1429                         }
1430                 }
1431         }
1432
1433         /* Fix for bug #392 - if we reach the end of a file and we are still in a quote or comment, most likely the user fucked up */
1434         if (in_comment || in_quote)
1435         {
1436                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1437                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1438         }
1439
1440         return true;
1441 }
1442
1443
1444 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1445 {
1446         return this->LoadConf(target, filename.c_str(), errorstream);
1447 }
1448
1449 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream)
1450 {
1451         std::string tagname;
1452         std::string current_key;
1453         std::string current_value;
1454         KeyValList results;
1455         bool got_name;
1456         bool got_key;
1457         bool in_quote;
1458
1459         got_name = got_key = in_quote = false;
1460
1461         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1462         {
1463                 if (!got_name)
1464                 {
1465                         /* We don't know the tag name yet. */
1466
1467                         if (*c != ' ')
1468                         {
1469                                 if (*c != '<')
1470                                 {
1471                                         tagname += *c;
1472                                 }
1473                         }
1474                         else
1475                         {
1476                                 /* We got to a space, we should have the tagname now. */
1477                                 if(tagname.length())
1478                                 {
1479                                         got_name = true;
1480                                 }
1481                         }
1482                 }
1483                 else
1484                 {
1485                         /* We have the tag name */
1486                         if (!got_key)
1487                         {
1488                                 /* We're still reading the key name */
1489                                 if (*c != '=')
1490                                 {
1491                                         if (*c != ' ')
1492                                         {
1493                                                 current_key += *c;
1494                                         }
1495                                 }
1496                                 else
1497                                 {
1498                                         /* We got an '=', end of the key name. */
1499                                         got_key = true;
1500                                 }
1501                         }
1502                         else
1503                         {
1504                                 /* We have the key name, now we're looking for quotes and the value */
1505
1506                                 /* Correctly handle escaped characters here.
1507                                  * See the XXX'ed section above.
1508                                  */
1509                                 if ((*c == '\\') && (in_quote))
1510                                 {
1511                                         c++;
1512                                         if (*c == 'n')
1513                                                 current_value += '\n';
1514                                         else
1515                                                 current_value += *c;
1516                                         continue;
1517                                 }
1518                                 else if ((*c == '\n') && (in_quote))
1519                                 {
1520                                         /* Got a 'real' \n, treat it as part of the value */
1521                                         current_value += '\n';
1522                                         linenumber++;
1523                                         continue;
1524                                 }
1525                                 else if ((*c == '\r') && (in_quote))
1526                                         /* Got a \r, drop it */
1527                                         continue;
1528
1529                                 if (*c == '"')
1530                                 {
1531                                         if (!in_quote)
1532                                         {
1533                                                 /* We're not already in a quote. */
1534                                                 in_quote = true;
1535                                         }
1536                                         else
1537                                         {
1538                                                 /* Leaving the quotes, we have the current value */
1539                                                 results.push_back(KeyVal(current_key, current_value));
1540
1541                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1542
1543                                                 in_quote = false;
1544                                                 got_key = false;
1545
1546                                                 if ((tagname == "include") && (current_key == "file"))
1547                                                 {       
1548                                                         if (!this->DoInclude(target, current_value, errorstream))
1549                                                                 return false;
1550                                                 }
1551
1552                                                 current_key.clear();
1553                                                 current_value.clear();
1554                                         }
1555                                 }
1556                                 else
1557                                 {
1558                                         if (in_quote)
1559                                         {
1560                                                 current_value += *c;
1561                                         }
1562                                 }
1563                         }
1564                 }
1565         }
1566
1567         /* Finished parsing the tag, add it to the config hash */
1568         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1569
1570         return true;
1571 }
1572
1573 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1574 {
1575         std::string confpath;
1576         std::string newfile;
1577         std::string::size_type pos;
1578
1579         confpath = ServerInstance->ConfigFileName;
1580         newfile = file;
1581
1582         std::replace(newfile.begin(),newfile.end(),'\\','/');
1583         std::replace(confpath.begin(),confpath.end(),'\\','/');
1584
1585         if ((newfile[0] != '/') && (newfile.find("://") == std::string::npos))
1586         {
1587                 if((pos = confpath.rfind("/")) != std::string::npos)
1588                 {
1589                         /* Leaves us with just the path */
1590                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1591                 }
1592                 else
1593                 {
1594                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1595                         return false;
1596                 }
1597         }
1598
1599         return LoadConf(target, newfile, errorstream);
1600 }
1601
1602 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1603 {
1604         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1605 }
1606
1607 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1608 {
1609         std::string value;
1610         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1611         strlcpy(result, value.c_str(), length);
1612         return r;
1613 }
1614
1615 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1616 {
1617         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1618 }
1619
1620 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, std::string &result, bool allow_linefeeds)
1621 {
1622         ConfigDataHash::size_type pos = index;
1623         if (pos < target.count(tag))
1624         {
1625                 ConfigDataHash::iterator iter = target.find(tag);
1626
1627                 for(int i = 0; i < index; i++)
1628                         iter++;
1629
1630                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1631                 {
1632                         if(j->first == var)
1633                         {
1634                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1635                                 {
1636                                         ServerInstance->Logs->Log("CONFIG",DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1637                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1638                                                 if (*n == '\n')
1639                                                         *n = ' ';
1640                                 }
1641                                 else
1642                                 {
1643                                         result = j->second;
1644                                         return true;
1645                                 }
1646                         }
1647                 }
1648                 if (!default_value.empty())
1649                 {
1650                         result = default_value;
1651                         return true;
1652                 }
1653         }
1654         else if(pos == 0)
1655         {
1656                 if (!default_value.empty())
1657                 {
1658                         result = default_value;
1659                         return true;
1660                 }
1661         }
1662         return false;
1663 }
1664
1665 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1666 {
1667         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1668 }
1669
1670 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1671 {
1672         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1673 }
1674
1675 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1676 {
1677         return ConfValueInteger(target, tag, var, "", index, result);
1678 }
1679
1680 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1681 {
1682         std::string value;
1683         std::istringstream stream;
1684         bool r = ConfValue(target, tag, var, default_value, index, value);
1685         stream.str(value);
1686         if(!(stream >> result))
1687                 return false;
1688         else
1689         {
1690                 if (!value.empty())
1691                 {
1692                         if (value.substr(0,2) == "0x")
1693                         {
1694                                 char* endptr;
1695
1696                                 value.erase(0,2);
1697                                 result = strtol(value.c_str(), &endptr, 16);
1698
1699                                 /* No digits found */
1700                                 if (endptr == value.c_str())
1701                                         return false;
1702                         }
1703                         else
1704                         {
1705                                 char denominator = *(value.end() - 1);
1706                                 switch (toupper(denominator))
1707                                 {
1708                                         case 'K':
1709                                                 /* Kilobytes -> bytes */
1710                                                 result = result * 1024;
1711                                         break;
1712                                         case 'M':
1713                                                 /* Megabytes -> bytes */
1714                                                 result = result * 1024 * 1024;
1715                                         break;
1716                                         case 'G':
1717                                                 /* Gigabytes -> bytes */
1718                                                 result = result * 1024 * 1024 * 1024;
1719                                         break;
1720                                 }
1721                         }
1722                 }
1723         }
1724         return r;
1725 }
1726
1727
1728 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1729 {
1730         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1731 }
1732
1733 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1734 {
1735         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1736 }
1737
1738 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1739 {
1740         return ConfValueBool(target, tag, var, "", index);
1741 }
1742
1743 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1744 {
1745         std::string result;
1746         if(!ConfValue(target, tag, var, default_value, index, result))
1747                 return false;
1748
1749         return ((result == "yes") || (result == "true") || (result == "1"));
1750 }
1751
1752 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1753 {
1754         return target.count(tag);
1755 }
1756
1757 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1758 {
1759         return target.count(tag);
1760 }
1761
1762 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1763 {
1764         return ConfVarEnum(target, std::string(tag), index);
1765 }
1766
1767 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1768 {
1769         ConfigDataHash::size_type pos = index;
1770
1771         if (pos < target.count(tag))
1772         {
1773                 ConfigDataHash::const_iterator iter = target.find(tag);
1774
1775                 for(int i = 0; i < index; i++)
1776                         iter++;
1777
1778                 return iter->second.size();
1779         }
1780
1781         return 0;
1782 }
1783
1784 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1785  */
1786 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1787 {
1788         if (!fname || !*fname)
1789                 return false;
1790
1791         FILE* file = NULL;
1792         char linebuf[MAXBUF];
1793
1794         F.clear();
1795
1796         if ((*fname != '/') && (*fname != '\\'))
1797         {
1798                 std::string::size_type pos;
1799                 std::string confpath = ServerInstance->ConfigFileName;
1800                 std::string newfile = fname;
1801
1802                 if ((pos = confpath.rfind("/")) != std::string::npos)
1803                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1804                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1805                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1806
1807                 if (!FileExists(newfile.c_str()))
1808                         return false;
1809                 file =  fopen(newfile.c_str(), "r");
1810         }
1811         else
1812         {
1813                 if (!FileExists(fname))
1814                         return false;
1815                 file =  fopen(fname, "r");
1816         }
1817
1818         if (file)
1819         {
1820                 while (!feof(file))
1821                 {
1822                         if (fgets(linebuf, sizeof(linebuf), file))
1823                                 linebuf[strlen(linebuf)-1] = 0;
1824                         else
1825                                 *linebuf = 0;
1826
1827                         if (!feof(file))
1828                         {
1829                                 F.push_back(*linebuf ? linebuf : " ");
1830                         }
1831                 }
1832
1833                 fclose(file);
1834         }
1835         else
1836                 return false;
1837
1838         return true;
1839 }
1840
1841 bool ServerConfig::FileExists(const char* file)
1842 {
1843         struct stat sb;
1844         if (stat(file, &sb) == -1)
1845                 return false;
1846
1847         if ((sb.st_mode & S_IFDIR) > 0)
1848                 return false;
1849              
1850         FILE *input;
1851         if ((input = fopen (file, "r")) == NULL)
1852                 return false;
1853         else
1854         {
1855                 fclose(input);
1856                 return true;
1857         }
1858 }
1859
1860 char* ServerConfig::CleanFilename(char* name)
1861 {
1862         char* p = name + strlen(name);
1863         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1864         return (p != name ? ++p : p);
1865 }
1866
1867
1868 bool ServerConfig::DirValid(const char* dirandfile)
1869 {
1870 #ifdef WINDOWS
1871         return true;
1872 #endif
1873
1874         char work[1024];
1875         char buffer[1024];
1876         char otherdir[1024];
1877         int p;
1878
1879         strlcpy(work, dirandfile, 1024);
1880         p = strlen(work);
1881
1882         // we just want the dir
1883         while (*work)
1884         {
1885                 if (work[p] == '/')
1886                 {
1887                         work[p] = '\0';
1888                         break;
1889                 }
1890
1891                 work[p--] = '\0';
1892         }
1893
1894         // Get the current working directory
1895         if (getcwd(buffer, 1024 ) == NULL )
1896                 return false;
1897
1898         if (chdir(work) == -1)
1899                 return false;
1900
1901         if (getcwd(otherdir, 1024 ) == NULL )
1902                 return false;
1903
1904         if (chdir(buffer) == -1)
1905                 return false;
1906
1907         size_t t = strlen(work);
1908
1909         if (strlen(otherdir) >= t)
1910         {
1911                 otherdir[t] = '\0';
1912                 if (!strcmp(otherdir,work))
1913                 {
1914                         return true;
1915                 }
1916
1917                 return false;
1918         }
1919         else
1920         {
1921                 return false;
1922         }
1923 }
1924
1925 std::string ServerConfig::GetFullProgDir()
1926 {
1927         char buffer[PATH_MAX+1];
1928 #ifdef WINDOWS
1929         /* Windows has specific api calls to get the exe path that never fail.
1930          * For once, windows has something of use, compared to the POSIX code
1931          * for this, this is positively neato.
1932          */
1933         if (GetModuleFileName(NULL, buffer, MAX_PATH))
1934         {
1935                 std::string fullpath = buffer;
1936                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
1937                 return std::string(fullpath, 0, n);
1938         }
1939 #else
1940         // Get the current working directory
1941         if (getcwd(buffer, PATH_MAX))
1942         {
1943                 std::string remainder = this->argv[0];
1944
1945                 /* Does argv[0] start with /? its a full path, use it */
1946                 if (remainder[0] == '/')
1947                 {
1948                         std::string::size_type n = remainder.rfind("/inspircd");
1949                         return std::string(remainder, 0, n);
1950                 }
1951
1952                 std::string fullpath = std::string(buffer) + "/" + remainder;
1953                 std::string::size_type n = fullpath.rfind("/inspircd");
1954                 return std::string(fullpath, 0, n);
1955         }
1956 #endif
1957         return "/";
1958 }
1959
1960 InspIRCd* ServerConfig::GetInstance()
1961 {
1962         return ServerInstance;
1963 }
1964
1965 std::string ServerConfig::GetSID()
1966 {
1967         return sid;
1968 }
1969
1970 ValueItem::ValueItem(int value)
1971 {
1972         std::stringstream n;
1973         n << value;
1974         v = n.str();
1975 }
1976
1977 ValueItem::ValueItem(bool value)
1978 {
1979         std::stringstream n;
1980         n << value;
1981         v = n.str();
1982 }
1983
1984 ValueItem::ValueItem(const char* value)
1985 {
1986         v = value;
1987 }
1988
1989 void ValueItem::Set(const char* value)
1990 {
1991         v = value;
1992 }
1993
1994 void ValueItem::Set(int value)
1995 {
1996         std::stringstream n;
1997         n << value;
1998         v = n.str();
1999 }
2000
2001 int ValueItem::GetInteger()
2002 {
2003         if (v.empty())
2004                 return 0;
2005         return atoi(v.c_str());
2006 }
2007
2008 char* ValueItem::GetString()
2009 {
2010         return (char*)v.c_str();
2011 }
2012
2013 bool ValueItem::GetBool()
2014 {
2015         return (GetInteger() || v == "yes" || v == "true");
2016 }
2017
2018
2019
2020
2021 /*
2022  * XXX should this be in a class? -- w00t
2023  */
2024 bool InitTypes(ServerConfig* conf, const char*)
2025 {
2026         if (conf->opertypes.size())
2027         {
2028                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2029                 {
2030                         if (n->second)
2031                                 delete[] n->second;
2032                 }
2033         }
2034
2035         conf->opertypes.clear();
2036         return true;
2037 }
2038
2039 /*
2040  * XXX should this be in a class? -- w00t
2041  */
2042 bool InitClasses(ServerConfig* conf, const char*)
2043 {
2044         if (conf->operclass.size())
2045         {
2046                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2047                 {
2048                         if (n->second)
2049                                 delete[] n->second;
2050                 }
2051         }
2052
2053         conf->operclass.clear();
2054         return true;
2055 }
2056
2057 /*
2058  * XXX should this be in a class? -- w00t
2059  */
2060 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2061 {
2062         const char* TypeName = values[0].GetString();
2063         const char* Classes = values[1].GetString();
2064
2065         conf->opertypes[TypeName] = strnewdup(Classes);
2066         return true;
2067 }
2068
2069 /*
2070  * XXX should this be in a class? -- w00t
2071  */
2072 bool DoClass(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2073 {
2074         const char* ClassName = values[0].GetString();
2075         const char* CommandList = values[1].GetString();
2076
2077         conf->operclass[ClassName] = strnewdup(CommandList);
2078         return true;
2079 }
2080
2081 /*
2082  * XXX should this be in a class? -- w00t
2083  */
2084 bool DoneClassesAndTypes(ServerConfig*, const char*)
2085 {
2086         return true;
2087 }
2088
2089
2090
2091 bool InitXLine(ServerConfig* conf, const char* tag)
2092 {
2093         return true;
2094 }
2095
2096 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2097 {
2098         const char* reason = values[0].GetString();
2099         const char* ipmask = values[1].GetString();
2100
2101         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2102         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2103                 delete zl;
2104
2105         return true;
2106 }
2107
2108 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2109 {
2110         const char* reason = values[0].GetString();
2111         const char* nick = values[1].GetString();
2112
2113         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2114         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2115                 delete ql;
2116
2117         return true;
2118 }
2119
2120 bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2121 {
2122         const char* reason = values[0].GetString();
2123         const char* host = values[1].GetString();
2124
2125         XLineManager* xlm = conf->GetInstance()->XLines;
2126
2127         IdentHostPair ih = xlm->IdentSplit(host);
2128
2129         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2130         if (!xlm->AddLine(kl, NULL))
2131                 delete kl;
2132         return true;
2133 }
2134
2135 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2136 {
2137         const char* reason = values[0].GetString();
2138         const char* host = values[1].GetString();
2139
2140         XLineManager* xlm = conf->GetInstance()->XLines;
2141
2142         IdentHostPair ih = xlm->IdentSplit(host);
2143
2144         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2145         if (!xlm->AddLine(el, NULL))
2146                 delete el;
2147         return true;
2148 }
2149
2150 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2151 bool DoneELine(ServerConfig* conf, const char* tag)
2152 {
2153         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->Users->local_users.begin(); u2 != conf->GetInstance()->Users->local_users.end(); u2++)
2154         {
2155                 User* u = (User*)(*u2);
2156                 u->exempt = false;
2157         }
2158
2159         conf->GetInstance()->XLines->CheckELines();
2160         return true;
2161 }
2162
2163 void ConfigReaderThread::Run()
2164 {
2165         /* TODO: TheUser may be invalid by the time we get here! Check its validity, or pass a UID would be better */
2166         ServerInstance->Config->Read(do_bail, TheUser);
2167 }
2168