2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
6 * Copyright (C) 2005-2008 Craig Edwards <craigedwards@brainbox.cc>
7 * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
8 * Copyright (C) 2006-2007 Oliver Lupton <oliverlupton@gmail.com>
9 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
11 * This file is part of InspIRCd. InspIRCd is free software: you can
12 * redistribute it and/or modify it under the terms of the GNU General Public
13 * License as published by the Free Software Foundation, version 2.
15 * This program is distributed in the hope that it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
20 * You should have received a copy of the GNU General Public License
21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
34 #include "exitcodes.h"
37 std::string InspIRCd::GetServerDescription(const std::string& servername)
39 std::string description;
41 FOREACH_MOD(I_OnGetServerDescription,OnGetServerDescription(servername,description));
43 if (!description.empty())
49 // not a remote server that can be found, it must be me.
50 return Config->ServerDesc;
54 /* Find a user record by nickname and return a pointer to it */
55 User* InspIRCd::FindNick(const std::string &nick)
57 if (!nick.empty() && isdigit(*nick.begin()))
58 return FindUUID(nick);
60 user_hash::iterator iter = this->Users->clientlist->find(nick);
62 if (iter == this->Users->clientlist->end())
63 /* Couldn't find it */
69 User* InspIRCd::FindNickOnly(const std::string &nick)
71 user_hash::iterator iter = this->Users->clientlist->find(nick);
73 if (iter == this->Users->clientlist->end())
79 User *InspIRCd::FindUUID(const std::string &uid)
81 user_hash::iterator finduuid = this->Users->uuidlist->find(uid);
83 if (finduuid == this->Users->uuidlist->end())
86 return finduuid->second;
88 /* find a channel record by channel name and return a pointer to it */
90 Channel* InspIRCd::FindChan(const std::string &chan)
92 chan_hash::iterator iter = chanlist->find(chan);
94 if (iter == chanlist->end())
95 /* Couldn't find it */
101 /* Send an error notice to all users, registered or not */
102 void InspIRCd::SendError(const std::string &s)
104 for (LocalUserList::const_iterator i = this->Users->local_users.begin(); i != this->Users->local_users.end(); i++)
107 if (u->registered == REG_ALL)
113 /* Unregistered connections receive ERROR, not a NOTICE */
114 u->Write("ERROR :" + s);
119 /* return channel count */
120 long InspIRCd::ChannelCount()
122 return chanlist->size();
125 bool InspIRCd::IsValidMask(const std::string &mask)
127 const char* dest = mask.c_str();
131 for (const char* i = dest; *i; i++)
133 /* out of range character, bad mask */
134 if (*i < 32 || *i > 126)
150 /* valid masks only have 1 ! and @ */
151 if (exclamation != 1 || atsign != 1)
154 if (mask.length() > 250)
160 void InspIRCd::StripColor(std::string &sentence)
162 /* refactor this completely due to SQUIT bug since the old code would strip last char and replace with \0 --peavey */
165 for (std::string::iterator i = sentence.begin(); i != sentence.end();)
169 else if (seq && (( ((*i >= '0') && (*i <= '9')) || (*i == ',') ) ))
172 if ( (seq <= 4) && (*i == ',') )
180 if (seq || ((*i == 2) || (*i == 15) || (*i == 22) || (*i == 21) || (*i == 31)))
181 i = sentence.erase(i);
187 void InspIRCd::ProcessColors(file_cache& input)
190 * Replace all color codes from the special[] array to actual
191 * color code chars using C++ style escape sequences. You
192 * can append other chars to replace if you like -- Justasic
194 static struct special_chars
196 std::string character;
198 special_chars(const std::string &c, const std::string &r) : character(c), replace(r) { }
202 special_chars("\\002", "\002"), // Bold
203 special_chars("\\037", "\037"), // underline
204 special_chars("\\003", "\003"), // Color
205 special_chars("\\017", "\017"), // Stop colors
206 special_chars("\\u", "\037"), // Alias for underline
207 special_chars("\\b", "\002"), // Alias for Bold
208 special_chars("\\x", "\017"), // Alias for stop
209 special_chars("\\c", "\003"), // Alias for color
210 special_chars("", "")
213 for(file_cache::iterator it = input.begin(), it_end = input.end(); it != it_end; it++)
215 std::string ret = *it;
216 for(int i = 0; special[i].character.empty() == false; ++i)
218 std::string::size_type pos = ret.find(special[i].character);
219 if(pos == std::string::npos) // Couldn't find the character, skip this line
222 if((pos > 0) && (ret[pos-1] == '\\') && (ret[pos] == '\\'))
223 continue; // Skip double slashes.
225 // Replace all our characters in the array
226 while(pos != std::string::npos)
228 ret = ret.substr(0, pos) + special[i].replace + ret.substr(pos + special[i].character.size());
229 pos = ret.find(special[i].character, pos + special[i].replace.size());
233 // Replace double slashes with a single slash before we return
234 std::string::size_type pos = ret.find("\\\\");
235 while(pos != std::string::npos)
237 ret = ret.substr(0, pos) + "\\" + ret.substr(pos + 2);
238 pos = ret.find("\\\\", pos + 1);
244 /* true for valid channel name, false else */
245 bool IsChannelHandler::Call(const std::string& chname)
247 if (chname.empty() || chname.length() > ServerInstance->Config->Limits.ChanMax)
250 if (chname[0] != '#')
253 for (std::string::const_iterator i = chname.begin()+1; i != chname.end(); ++i)
267 /* true for valid nickname, false else */
268 bool IsNickHandler::Call(const std::string& n)
270 if (n.empty() || n.length() > ServerInstance->Config->Limits.NickMax)
273 for (std::string::const_iterator i = n.begin(); i != n.end(); ++i)
275 if ((*i >= 'A') && (*i <= '}'))
277 /* "A"-"}" can occur anywhere in a nickname */
281 if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i != n.begin()))
283 /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */
287 /* invalid character! abort */
294 /* return true for good ident, false else */
295 bool IsIdentHandler::Call(const std::string& n)
300 for (std::string::const_iterator i = n.begin(); i != n.end(); ++i)
302 if ((*i >= 'A') && (*i <= '}'))
307 if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.'))
318 bool InspIRCd::IsSID(const std::string &str)
320 /* Returns true if the string given is exactly 3 characters long,
321 * starts with a digit, and the other two characters are A-Z or digits
323 return ((str.length() == 3) && isdigit(str[0]) &&
324 ((str[1] >= 'A' && str[1] <= 'Z') || isdigit(str[1])) &&
325 ((str[2] >= 'A' && str[2] <= 'Z') || isdigit(str[2])));
328 void InspIRCd::CheckRoot()
333 std::cout << "ERROR: You are running an irc server as root! DO NOT DO THIS!" << std::endl << std::endl;
334 this->Logs->Log("STARTUP",LOG_DEFAULT,"Can't start as root");
335 Exit(EXIT_STATUS_ROOT);
340 void InspIRCd::SendWhoisLine(User* user, User* dest, int numeric, const std::string &text)
342 std::string copy_text = text;
344 ModResult MOD_RESULT;
345 FIRST_MOD_RESULT(OnWhoisLine, MOD_RESULT, (user, dest, numeric, copy_text));
347 if (MOD_RESULT != MOD_RES_DENY)
348 user->WriteServ("%d %s", numeric, copy_text.c_str());
351 void InspIRCd::SendWhoisLine(User* user, User* dest, int numeric, const char* format, ...)
353 char textbuffer[MAXBUF];
355 va_start (argsPtr, format);
356 vsnprintf(textbuffer, MAXBUF, format, argsPtr);
359 this->SendWhoisLine(user, dest, numeric, std::string(textbuffer));
362 /** Refactored by Brain, Jun 2009. Much faster with some clever O(1) array
363 * lookups and pointer maths.
365 unsigned long InspIRCd::Duration(const std::string &str)
367 unsigned char multiplier = 0;
372 /* Iterate each item in the string, looking for number or multiplier */
373 for (std::string::const_reverse_iterator i = str.rbegin(); i != str.rend(); ++i)
375 /* Found a number, queue it onto the current number */
376 if ((*i >= '0') && (*i <= '9'))
378 subtotal = subtotal + ((*i - '0') * times);
383 /* Found something thats not a number, find out how much
384 * it multiplies the built up number by, multiply the total
385 * and reset the built up number.
388 total += subtotal * duration_multi[multiplier];
390 /* Next subtotal please */
398 total += subtotal * duration_multi[multiplier];
401 /* Any trailing values built up are treated as raw seconds */
402 return total + subtotal;
405 const char* InspIRCd::Format(const char* formatString, ...)
407 static std::vector<char> formatBuffer(1024);
411 va_start(vaList, formatString);
412 while ((vsnret = vsnprintf(&formatBuffer[0], formatBuffer.size(), formatString, vaList)) < 0 || static_cast<unsigned int>(vsnret) >= formatBuffer.size())
413 formatBuffer.resize(formatBuffer.size() * 2);
415 return &formatBuffer[0];
418 bool InspIRCd::ULine(const std::string& sserver)
423 return (Config->ulines.find(sserver.c_str()) != Config->ulines.end());
426 bool InspIRCd::SilentULine(const std::string& sserver)
428 std::map<irc::string,bool>::iterator n = Config->ulines.find(sserver.c_str());
429 if (n != Config->ulines.end())
435 std::string InspIRCd::TimeString(time_t curtime)
437 return std::string(ctime(&curtime),24);
440 std::string InspIRCd::GenRandomStr(int length, bool printable)
442 char* buf = new char[length];
443 GenRandom(buf, length);
446 for(int i=0; i < length; i++)
447 rv[i] = printable ? 0x3F + (buf[i] & 0x3F) : buf[i];
452 // NOTE: this has a slight bias for lower values if max is not a power of 2.
453 // Don't use it if that matters.
454 unsigned long InspIRCd::GenRandomInt(unsigned long max)
457 GenRandom((char*)&rv, sizeof(rv));
461 // This is overridden by a higher-quality algorithm when SSL support is loaded
462 void GenRandomHandler::Call(char *output, size_t max)
464 for(unsigned int i=0; i < max; i++)
468 if(rand_s(&uTemp) != 0)
474 output[i] = random();
478 ModResult OnCheckExemptionHandler::Call(User* user, Channel* chan, const std::string& restriction)
480 unsigned int mypfx = chan->GetPrefixValue(user);
484 irc::spacesepstream defaultstream(ServerInstance->Config->ConfValue("options")->getString("exemptchanops"));
486 while (defaultstream.GetToken(current))
488 std::string::size_type pos = current.find(':');
489 if (pos == std::string::npos)
491 if (current.substr(0,pos) == restriction)
492 minmode = current[pos+1];
495 ModeHandler* mh = ServerInstance->Modes->FindMode(minmode, MODETYPE_CHANNEL);
496 if (mh && mypfx >= mh->GetPrefixRank())
497 return MOD_RES_ALLOW;
498 if (mh || minmode == '*')
500 return MOD_RES_PASSTHRU;