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/>.
32 #include "exitcodes.h"
35 std::string InspIRCd::GetServerDescription(const std::string& servername)
37 std::string description;
39 FOREACH_MOD(OnGetServerDescription, (servername,description));
41 if (!description.empty())
47 // not a remote server that can be found, it must be me.
48 return Config->ServerDesc;
52 /* Find a user record by nickname and return a pointer to it */
53 User* InspIRCd::FindNick(const std::string &nick)
55 if (!nick.empty() && isdigit(*nick.begin()))
56 return FindUUID(nick);
58 user_hash::iterator iter = this->Users->clientlist->find(nick);
60 if (iter == this->Users->clientlist->end())
61 /* Couldn't find it */
67 User* InspIRCd::FindNickOnly(const std::string &nick)
69 user_hash::iterator iter = this->Users->clientlist->find(nick);
71 if (iter == this->Users->clientlist->end())
77 User *InspIRCd::FindUUID(const std::string &uid)
79 user_hash::iterator finduuid = this->Users->uuidlist->find(uid);
81 if (finduuid == this->Users->uuidlist->end())
84 return finduuid->second;
86 /* find a channel record by channel name and return a pointer to it */
88 Channel* InspIRCd::FindChan(const std::string &chan)
90 chan_hash::iterator iter = chanlist->find(chan);
92 if (iter == chanlist->end())
93 /* Couldn't find it */
99 /* Send an error notice to all users, registered or not */
100 void InspIRCd::SendError(const std::string &s)
102 for (LocalUserList::const_iterator i = this->Users->local_users.begin(); i != this->Users->local_users.end(); i++)
105 if (u->registered == REG_ALL)
111 /* Unregistered connections receive ERROR, not a NOTICE */
112 u->Write("ERROR :" + s);
117 bool InspIRCd::IsValidMask(const std::string &mask)
119 const char* dest = mask.c_str();
123 for (const char* i = dest; *i; i++)
125 /* out of range character, bad mask */
126 if (*i < 32 || *i > 126)
142 /* valid masks only have 1 ! and @ */
143 if (exclamation != 1 || atsign != 1)
146 if (mask.length() > 250)
152 void InspIRCd::StripColor(std::string &sentence)
154 /* refactor this completely due to SQUIT bug since the old code would strip last char and replace with \0 --peavey */
157 for (std::string::iterator i = sentence.begin(); i != sentence.end();)
161 else if (seq && (( ((*i >= '0') && (*i <= '9')) || (*i == ',') ) ))
164 if ( (seq <= 4) && (*i == ',') )
172 if (seq || ((*i == 2) || (*i == 15) || (*i == 22) || (*i == 21) || (*i == 31)))
173 i = sentence.erase(i);
179 void InspIRCd::ProcessColors(file_cache& input)
182 * Replace all color codes from the special[] array to actual
183 * color code chars using C++ style escape sequences. You
184 * can append other chars to replace if you like -- Justasic
186 static struct special_chars
188 std::string character;
190 special_chars(const std::string &c, const std::string &r) : character(c), replace(r) { }
194 special_chars("\\002", "\002"), // Bold
195 special_chars("\\037", "\037"), // underline
196 special_chars("\\003", "\003"), // Color
197 special_chars("\\017", "\017"), // Stop colors
198 special_chars("\\u", "\037"), // Alias for underline
199 special_chars("\\b", "\002"), // Alias for Bold
200 special_chars("\\x", "\017"), // Alias for stop
201 special_chars("\\c", "\003"), // Alias for color
202 special_chars("", "")
205 for(file_cache::iterator it = input.begin(), it_end = input.end(); it != it_end; it++)
207 std::string ret = *it;
208 for(int i = 0; special[i].character.empty() == false; ++i)
210 std::string::size_type pos = ret.find(special[i].character);
211 if(pos == std::string::npos) // Couldn't find the character, skip this line
214 if((pos > 0) && (ret[pos-1] == '\\') && (ret[pos] == '\\'))
215 continue; // Skip double slashes.
217 // Replace all our characters in the array
218 while(pos != std::string::npos)
220 ret = ret.substr(0, pos) + special[i].replace + ret.substr(pos + special[i].character.size());
221 pos = ret.find(special[i].character, pos + special[i].replace.size());
225 // Replace double slashes with a single slash before we return
226 std::string::size_type pos = ret.find("\\\\");
227 while(pos != std::string::npos)
229 ret = ret.substr(0, pos) + "\\" + ret.substr(pos + 2);
230 pos = ret.find("\\\\", pos + 1);
236 /* true for valid channel name, false else */
237 bool IsChannelHandler::Call(const std::string& chname)
239 if (chname.empty() || chname.length() > ServerInstance->Config->Limits.ChanMax)
242 if (chname[0] != '#')
245 for (std::string::const_iterator i = chname.begin()+1; i != chname.end(); ++i)
259 /* true for valid nickname, false else */
260 bool IsNickHandler::Call(const std::string& n)
262 if (n.empty() || n.length() > ServerInstance->Config->Limits.NickMax)
265 for (std::string::const_iterator i = n.begin(); i != n.end(); ++i)
267 if ((*i >= 'A') && (*i <= '}'))
269 /* "A"-"}" can occur anywhere in a nickname */
273 if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i != n.begin()))
275 /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */
279 /* invalid character! abort */
286 /* return true for good ident, false else */
287 bool IsIdentHandler::Call(const std::string& n)
292 for (std::string::const_iterator i = n.begin(); i != n.end(); ++i)
294 if ((*i >= 'A') && (*i <= '}'))
299 if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.'))
310 bool InspIRCd::IsSID(const std::string &str)
312 /* Returns true if the string given is exactly 3 characters long,
313 * starts with a digit, and the other two characters are A-Z or digits
315 return ((str.length() == 3) && isdigit(str[0]) &&
316 ((str[1] >= 'A' && str[1] <= 'Z') || isdigit(str[1])) &&
317 ((str[2] >= 'A' && str[2] <= 'Z') || isdigit(str[2])));
320 void InspIRCd::CheckRoot()
325 std::cout << "ERROR: You are running an irc server as root! DO NOT DO THIS!" << std::endl << std::endl;
326 this->Logs->Log("STARTUP", LOG_DEFAULT, "Can't start as root");
327 Exit(EXIT_STATUS_ROOT);
332 void InspIRCd::SendWhoisLine(User* user, User* dest, int numeric, const std::string &text)
334 std::string copy_text = text;
336 ModResult MOD_RESULT;
337 FIRST_MOD_RESULT(OnWhoisLine, MOD_RESULT, (user, dest, numeric, copy_text));
339 if (MOD_RESULT != MOD_RES_DENY)
340 user->WriteServ("%d %s", numeric, copy_text.c_str());
343 void InspIRCd::SendWhoisLine(User* user, User* dest, int numeric, const char* format, ...)
345 std::string textbuffer;
346 VAFORMAT(textbuffer, format, format)
347 this->SendWhoisLine(user, dest, numeric, textbuffer);
350 /** Refactored by Brain, Jun 2009. Much faster with some clever O(1) array
351 * lookups and pointer maths.
353 unsigned long InspIRCd::Duration(const std::string &str)
355 unsigned char multiplier = 0;
360 /* Iterate each item in the string, looking for number or multiplier */
361 for (std::string::const_reverse_iterator i = str.rbegin(); i != str.rend(); ++i)
363 /* Found a number, queue it onto the current number */
364 if ((*i >= '0') && (*i <= '9'))
366 subtotal = subtotal + ((*i - '0') * times);
371 /* Found something thats not a number, find out how much
372 * it multiplies the built up number by, multiply the total
373 * and reset the built up number.
376 total += subtotal * duration_multi[multiplier];
378 /* Next subtotal please */
386 total += subtotal * duration_multi[multiplier];
389 /* Any trailing values built up are treated as raw seconds */
390 return total + subtotal;
393 const char* InspIRCd::Format(va_list &vaList, const char* formatString)
395 static std::vector<char> formatBuffer(1024);
400 va_copy(dst, vaList);
402 int vsnret = vsnprintf(&formatBuffer[0], formatBuffer.size(), formatString, dst);
403 if (vsnret > 0 && static_cast<unsigned>(vsnret) < formatBuffer.size())
405 return &formatBuffer[0];
408 formatBuffer.resize(formatBuffer.size() * 2);
411 throw CoreException();
414 const char* InspIRCd::Format(const char* formatString, ...)
417 VAFORMAT(ret, formatString, formatString);
421 bool InspIRCd::ULine(const std::string& sserver)
426 return (Config->ulines.find(sserver.c_str()) != Config->ulines.end());
429 bool InspIRCd::SilentULine(const std::string& sserver)
431 std::map<irc::string,bool>::iterator n = Config->ulines.find(sserver.c_str());
432 if (n != Config->ulines.end())
438 std::string InspIRCd::TimeString(time_t curtime)
440 return std::string(ctime(&curtime),24);
443 std::string InspIRCd::GenRandomStr(int length, bool printable)
445 char* buf = new char[length];
446 GenRandom(buf, length);
449 for(int i=0; i < length; i++)
450 rv[i] = printable ? 0x3F + (buf[i] & 0x3F) : buf[i];
455 // NOTE: this has a slight bias for lower values if max is not a power of 2.
456 // Don't use it if that matters.
457 unsigned long InspIRCd::GenRandomInt(unsigned long max)
460 GenRandom((char*)&rv, sizeof(rv));
464 // This is overridden by a higher-quality algorithm when SSL support is loaded
465 void GenRandomHandler::Call(char *output, size_t max)
467 for(unsigned int i=0; i < max; i++)
471 if(rand_s(&uTemp) != 0)
477 output[i] = random();
481 ModResult OnCheckExemptionHandler::Call(User* user, Channel* chan, const std::string& restriction)
483 unsigned int mypfx = chan->GetPrefixValue(user);
487 irc::spacesepstream defaultstream(ServerInstance->Config->ConfValue("options")->getString("exemptchanops"));
489 while (defaultstream.GetToken(current))
491 std::string::size_type pos = current.find(':');
492 if (pos == std::string::npos)
494 if (current.substr(0,pos) == restriction)
495 minmode = current[pos+1];
498 ModeHandler* mh = ServerInstance->Modes->FindMode(minmode, MODETYPE_CHANNEL);
499 if (mh && mypfx >= mh->GetPrefixRank())
500 return MOD_RES_ALLOW;
501 if (mh || minmode == '*')
503 return MOD_RES_PASSTHRU;