-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include <stdarg.h>\r#include "configreader.h"\r#include "users.h"\r#include "modules.h"\r#include "wildcard.h"\r#include "mode.h"\r#include "xline.h"\r#include "exitcodes.h"\r\rstatic char TIMESTR[26];\rstatic time_t LAST = 0;\r\r/** Log()\r * Write a line of text `text' to the logfile (and stdout, if in nofork) if the level `level'\r * is greater than the configured loglevel.\r */\rvoid InspIRCd::Log(int level, const char* text, ...)\r{\r /* Do this check again here so that we save pointless vsnprintf calls */\r if ((level < Config->LogLevel) && !Config->forcedebug)\r return;\r\r va_list argsPtr;\r char textbuffer[65536];\r\r va_start(argsPtr, text);\r vsnprintf(textbuffer, 65536, text, argsPtr);\r va_end(argsPtr);\r\r this->Log(level, std::string(textbuffer));\r}\r\rvoid InspIRCd::Log(int level, const std::string &text)\r{\r if (!this->Config)\r return;\r\r /* If we were given -debug we output all messages, regardless of configured loglevel */\r if ((level < Config->LogLevel) && !Config->forcedebug)\r return;\r\r if (Time() != LAST)\r {\r time_t local = Time();\r struct tm *timeinfo = localtime(&local);\r\r strlcpy(TIMESTR,asctime(timeinfo),26);\r TIMESTR[24] = ':';\r LAST = Time();\r }\r\r if (Config->log_file && Config->writelog)\r {\r std::string out = std::string(TIMESTR) + " " + text.c_str() + "\n";\r this->Logger->WriteLogLine(out);\r }\r\r if (Config->nofork)\r {\r printf("%s %s\n", TIMESTR, text.c_str());\r }\r}\r\rstd::string InspIRCd::GetServerDescription(const char* servername)\r{\r std::string description;\r\r FOREACH_MOD_I(this,I_OnGetServerDescription,OnGetServerDescription(servername,description));\r\r if (!description.empty())\r {\r return description;\r }\r else\r {\r // not a remote server that can be found, it must be me.\r return Config->ServerDesc;\r }\r}\r\r/* XXX - We don't use WriteMode for this because WriteMode is very slow and\r * this isnt. Basically WriteMode has to iterate ALL the users 'n' times for\r * the number of modes provided, e.g. if you send WriteMode 'og' to write to\r * opers with globops, and you have 2000 users, thats 4000 iterations. WriteOpers\r * uses the oper list, which means if you have 2000 users but only 5 opers,\r * it iterates 5 times.\r */\rvoid InspIRCd::WriteOpers(const char* text, ...)\r{\r char textbuffer[MAXBUF];\r va_list argsPtr;\r\r va_start(argsPtr, text);\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);\r va_end(argsPtr);\r\r this->WriteOpers(std::string(textbuffer));\r}\r\rvoid InspIRCd::WriteOpers(const std::string &text)\r{\r for (std::vector<userrec*>::iterator i = this->all_opers.begin(); i != this->all_opers.end(); i++)\r {\r userrec* a = *i;\r if (IS_LOCAL(a) && a->modes[UM_SERVERNOTICE])\r {\r // send server notices to all with +s\r a->WriteServ("NOTICE %s :%s",a->nick,text.c_str());\r }\r }\r}\r\rvoid InspIRCd::ServerNoticeAll(char* text, ...)\r{\r if (!text)\r return;\r\r char textbuffer[MAXBUF];\r char formatbuffer[MAXBUF];\r va_list argsPtr;\r va_start (argsPtr, text);\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);\r va_end(argsPtr);\r\r snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s",Config->ServerName,textbuffer);\r\r for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)\r {\r userrec* t = *i;\r t->WriteServ(std::string(formatbuffer));\r }\r}\r\rvoid InspIRCd::ServerPrivmsgAll(char* text, ...)\r{\r if (!text)\r return;\r\r char textbuffer[MAXBUF];\r char formatbuffer[MAXBUF];\r va_list argsPtr;\r va_start (argsPtr, text);\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);\r va_end(argsPtr);\r\r snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s",Config->ServerName,textbuffer);\r\r for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)\r {\r userrec* t = *i;\r t->WriteServ(std::string(formatbuffer));\r }\r}\r\rvoid InspIRCd::WriteMode(const char* modes, int flags, const char* text, ...)\r{\r char textbuffer[MAXBUF];\r int modelen;\r va_list argsPtr;\r\r if (!text || !modes || !flags)\r {\r this->Log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");\r return;\r }\r\r va_start(argsPtr, text);\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);\r va_end(argsPtr);\r modelen = strlen(modes);\r\r if (flags == WM_AND)\r {\r for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)\r {\r userrec* t = *i;\r bool send_to_user = true;\r\r for (int n = 0; n < modelen; n++)\r {\r if (!t->modes[modes[n]-65])\r {\r send_to_user = false;\r break;\r }\r }\r if (send_to_user)\r t->WriteServ("NOTICE %s :%s",t->nick,textbuffer);\r }\r }\r else\r if (flags == WM_OR)\r {\r for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)\r {\r userrec* t = *i;\r bool send_to_user = false;\r\r for (int n = 0; n < modelen; n++)\r {\r if (t->modes[modes[n]-65])\r {\r send_to_user = true;\r break;\r }\r }\r if (send_to_user)\r t->WriteServ("NOTICE %s :%s",t->nick,textbuffer);\r }\r }\r}\r\r/* Find a user record by nickname and return a pointer to it */\r\ruserrec* InspIRCd::FindNick(const std::string &nick)\r{\r user_hash::iterator iter = clientlist->find(nick);\r\r if (iter == clientlist->end())\r /* Couldn't find it */\r return NULL;\r\r return iter->second;\r}\r\ruserrec* InspIRCd::FindNick(const char* nick)\r{\r user_hash::iterator iter = clientlist->find(nick);\r \r if (iter == clientlist->end())\r return NULL;\r\r return iter->second;\r}\r\r/* find a channel record by channel name and return a pointer to it */\r\rchanrec* InspIRCd::FindChan(const char* chan)\r{\r chan_hash::iterator iter = chanlist->find(chan);\r\r if (iter == chanlist->end())\r /* Couldn't find it */\r return NULL;\r\r return iter->second;\r}\r\rchanrec* InspIRCd::FindChan(const std::string &chan)\r{\r chan_hash::iterator iter = chanlist->find(chan);\r\r if (iter == chanlist->end())\r /* Couldn't find it */\r return NULL;\r\r return iter->second;\r}\r\r/*\r * sends out an error notice to all connected clients (not to be used\r * lightly!)\r */\rvoid InspIRCd::SendError(const std::string &s)\r{\r for (std::vector<userrec*>::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++)\r {\r if ((*i)->registered == REG_ALL)\r {\r (*i)->WriteServ("NOTICE %s :%s",(*i)->nick,s.c_str());\r }\r else\r {\r /* Unregistered connections receive ERROR, not a NOTICE */\r (*i)->Write("ERROR :" + s);\r }\r /* This might generate a whole load of EAGAIN, but we dont really\r * care about this, as if we call SendError something catastrophic\r * has occured anyway, and we wont receive the events for these.\r */\r (*i)->FlushWriteBuf();\r }\r}\r\r// this function counts all users connected, wether they are registered or NOT.\rint InspIRCd::UserCount()\r{\r return clientlist->size();\r}\r\r// this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state\rint InspIRCd::RegisteredUserCount()\r{\r return clientlist->size() - this->UnregisteredUserCount();\r}\r\rint InspIRCd::ModeCount(const char mode)\r{\r ModeHandler* mh = this->Modes->FindMode(mode, MODETYPE_USER);\r\r if (mh)\r return mh->GetCount();\r else\r return 0;\r}\r\rint InspIRCd::InvisibleUserCount()\r{\r return ModeCount('i');\r}\r\rint InspIRCd::OperCount()\r{\r return this->all_opers.size();\r}\r\rint InspIRCd::UnregisteredUserCount()\r{\r return this->unregistered_count;\r}\r\rlong InspIRCd::ChannelCount()\r{\r return chanlist->size();\r}\r\rlong InspIRCd::LocalUserCount()\r{\r /* Doesnt count unregistered clients */\r return (local_users.size() - this->UnregisteredUserCount());\r}\r \rbool InspIRCd::IsChannel(const char *chname)\r{\r char *c;\r\r /* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */\r if (!chname || *chname != '#')\r {\r return false;\r }\r\r c = (char *)chname + 1;\r while (*c)\r {\r switch (*c)\r {\r case ' ':\r case ',':\r case 7:\r return false;\r }\r\r c++;\r }\r \r /* too long a name - note funky pointer arithmetic here. */\r if ((c - chname) > CHANMAX)\r {\r return false;\r }\r\r return true;\r}\r\rbool InspIRCd::IsNick(const char* n)\r{\r if (!n || !*n)\r return false;\r \r int p = 0;\r for (char* i = (char*)n; *i; i++, p++)\r {\r if ((*i >= 'A') && (*i <= '}'))\r {\r /* "A"-"}" can occur anywhere in a nickname */\r continue;\r }\r\r if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n))\r {\r /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */\r continue;\r }\r\r /* invalid character! abort */\r return false;\r }\r\r /* too long? or not -- pointer arithmetic rocks */\r return (p < NICKMAX - 1);\r}\r\r\rbool InspIRCd::IsIdent(const char* n)\r{\r if (!n || !*n)\r return false;\r\r for (char* i = (char*)n; *i; i++)\r {\r if ((*i >= 'A') && (*i <= '}'))\r {\r continue;\r }\r\r if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.'))\r {\r continue;\r }\r\r return false;\r }\r\r return true;\r}\r\rvoid InspIRCd::OpenLog(char** argv, int argc)\r{\r Config->MyDir = Config->GetFullProgDir();\r\r if (!*this->LogFileName)\r {\r if (Config->logpath.empty())\r {\r#ifndef DARWIN\r Config->logpath = Config->MyDir + "/ircd.log";\r#else\r Config->logpath = "/var/log/ircd.log";\r#endif\r }\r\r Config->log_file = fopen(Config->logpath.c_str(),"a+");\r }\r else\r {\r Config->log_file = fopen(this->LogFileName,"a+");\r }\r\r if (!Config->log_file)\r {\r printf("ERROR: Could not write to logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno));\r Exit(EXIT_STATUS_LOG);\r }\r\r this->Logger = new FileLogger(this, Config->log_file);\r}\r\rvoid InspIRCd::CheckRoot()\r{\r#ifndef DARWIN\r if (geteuid() == 0)\r {\r printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");\r this->Log(DEFAULT,"Cant start as root");\r#else\r if (geteuid() != 16)\r {\r printf("WARNING!!! You are not running inspircd as the ircdaemon user!!! YOU CAN NOT DO THIS!!!\n\n");\r this->Log(DEFAULT,"Must start as user ircdaemon");\r#endif\r Exit(EXIT_STATUS_ROOT);\r }\r}\r\rvoid InspIRCd::CheckDie()\r{\r if (*Config->DieValue)\r {\r printf("WARNING: %s\n\n",Config->DieValue);\r this->Log(DEFAULT,"Died because of <die> tag: %s",Config->DieValue);\r Exit(EXIT_STATUS_DIETAG);\r }\r}\r\r/* We must load the modules AFTER initializing the socket engine, now */\rvoid InspIRCd::LoadAllModules()\r{\r char configToken[MAXBUF];\r Config->module_names.clear();\r this->ModCount = -1;\r\r for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "module"); count++)\r {\r Config->ConfValue(Config->config_data, "module", "name", count, configToken, MAXBUF);\r printf_c("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n",configToken);\r \r if (!this->LoadModule(configToken)) \r {\r this->Log(DEFAULT,"There was an error loading the module '%s': %s", configToken, this->ModuleError());\r printf_c("\n[\033[1;31m*\033[0m] There was an error loading the module '%s': %s\n\n", configToken, this->ModuleError());\r Exit(EXIT_STATUS_MODULE);\r }\r }\r printf_c("\nA total of \033[1;32m%d\033[0m module%s been loaded.\n", this->ModCount+1, this->ModCount+1 == 1 ? " has" : "s have");\r this->Log(DEFAULT,"Total loaded modules: %d", this->ModCount+1);\r}\r\rvoid InspIRCd::SendWhoisLine(userrec* user, userrec* dest, int numeric, const std::string &text)\r{\r std::string copy_text = text;\r\r int MOD_RESULT = 0;\r FOREACH_RESULT_I(this, I_OnWhoisLine, OnWhoisLine(user, dest, numeric, copy_text));\r\r if (!MOD_RESULT)\r user->WriteServ("%d %s", numeric, copy_text.c_str());\r}\r\rvoid InspIRCd::SendWhoisLine(userrec* user, userrec* dest, int numeric, const char* format, ...)\r{\r char textbuffer[MAXBUF];\r va_list argsPtr;\r va_start (argsPtr, format);\r vsnprintf(textbuffer, MAXBUF, format, argsPtr);\r va_end(argsPtr);\r\r this->SendWhoisLine(user, dest, numeric, std::string(textbuffer));\r}\r\r
\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2005-2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ * Copyright (C) 2006-2007 Oliver Lupton <oliverlupton@gmail.com>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2003-2019 Anope Team <team@anope.org>
+ *
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifdef _WIN32
+#define _CRT_RAND_S
+#include <stdlib.h>
+#endif
+
+#include "inspircd.h"
+#include "xline.h"
+#include "exitcodes.h"
+#include <iostream>
+
+/* Find a user record by nickname and return a pointer to it */
+User* InspIRCd::FindNick(const std::string &nick)
+{
+ if (!nick.empty() && isdigit(*nick.begin()))
+ return FindUUID(nick);
+ return FindNickOnly(nick);
+}
+
+User* InspIRCd::FindNickOnly(const std::string &nick)
+{
+ user_hash::iterator iter = this->Users->clientlist.find(nick);
+
+ if (iter == this->Users->clientlist.end())
+ return NULL;
+
+ return iter->second;
+}
+
+User *InspIRCd::FindUUID(const std::string &uid)
+{
+ user_hash::iterator finduuid = this->Users->uuidlist.find(uid);
+
+ if (finduuid == this->Users->uuidlist.end())
+ return NULL;
+
+ return finduuid->second;
+}
+/* find a channel record by channel name and return a pointer to it */
+
+Channel* InspIRCd::FindChan(const std::string &chan)
+{
+ chan_hash::iterator iter = chanlist.find(chan);
+
+ if (iter == chanlist.end())
+ /* Couldn't find it */
+ return NULL;
+
+ return iter->second;
+}
+
+bool InspIRCd::IsValidMask(const std::string &mask)
+{
+ const char* dest = mask.c_str();
+ int exclamation = 0;
+ int atsign = 0;
+
+ for (const char* i = dest; *i; i++)
+ {
+ /* out of range character, bad mask */
+ if (*i < 32 || *i > 126)
+ {
+ return false;
+ }
+
+ switch (*i)
+ {
+ case '!':
+ exclamation++;
+ break;
+ case '@':
+ atsign++;
+ break;
+ }
+ }
+
+ /* valid masks only have 1 ! and @ */
+ if (exclamation != 1 || atsign != 1)
+ return false;
+
+ if (mask.length() > ServerInstance->Config->Limits.GetMaxMask())
+ return false;
+
+ return true;
+}
+
+void InspIRCd::StripColor(std::string &sentence)
+{
+ /* refactor this completely due to SQUIT bug since the old code would strip last char and replace with \0 --peavey */
+ int seq = 0;
+
+ for (std::string::iterator i = sentence.begin(); i != sentence.end();)
+ {
+ if (*i == 3)
+ seq = 1;
+ else if (seq && (( ((*i >= '0') && (*i <= '9')) || (*i == ',') ) ))
+ {
+ seq++;
+ if ( (seq <= 4) && (*i == ',') )
+ seq = 1;
+ else if (seq > 3)
+ seq = 0;
+ }
+ else
+ seq = 0;
+
+ // Strip all control codes too except \001 for CTCP
+ if (seq || ((*i >= 0) && (*i < 32) && (*i != 1)))
+ i = sentence.erase(i);
+ else
+ ++i;
+ }
+}
+
+void InspIRCd::ProcessColors(file_cache& input)
+{
+ /*
+ * Replace all color codes from the special[] array to actual
+ * color code chars using C++ style escape sequences. You
+ * can append other chars to replace if you like -- Justasic
+ */
+ static struct special_chars
+ {
+ std::string character;
+ std::string replace;
+ special_chars(const std::string& c, const std::string& r)
+ : character(c)
+ , replace(r)
+ {
+ }
+ } special[] = {
+ special_chars("\\b", "\x02"), // Bold
+ special_chars("\\c", "\x03"), // Color
+ special_chars("\\i", "\x1D"), // Italic
+ special_chars("\\m", "\x11"), // Monospace
+ special_chars("\\r", "\x16"), // Reverse
+ special_chars("\\s", "\x1E"), // Strikethrough
+ special_chars("\\u", "\x1F"), // Underline
+ special_chars("\\x", "\x0F"), // Reset
+ special_chars("", "")
+ };
+
+ for(file_cache::iterator it = input.begin(), it_end = input.end(); it != it_end; it++)
+ {
+ std::string ret = *it;
+ for(int i = 0; special[i].character.empty() == false; ++i)
+ {
+ std::string::size_type pos = ret.find(special[i].character);
+ if(pos == std::string::npos) // Couldn't find the character, skip this line
+ continue;
+
+ if((pos > 0) && (ret[pos-1] == '\\') && (ret[pos] == '\\'))
+ continue; // Skip double slashes.
+
+ // Replace all our characters in the array
+ while(pos != std::string::npos)
+ {
+ ret = ret.substr(0, pos) + special[i].replace + ret.substr(pos + special[i].character.size());
+ pos = ret.find(special[i].character, pos + special[i].replace.size());
+ }
+ }
+
+ // Replace double slashes with a single slash before we return
+ std::string::size_type pos = ret.find("\\\\");
+ while(pos != std::string::npos)
+ {
+ ret = ret.substr(0, pos) + "\\" + ret.substr(pos + 2);
+ pos = ret.find("\\\\", pos + 1);
+ }
+ *it = ret;
+ }
+}
+
+/* true for valid channel name, false else */
+bool InspIRCd::DefaultIsChannel(const std::string& chname)
+{
+ if (chname.empty() || chname.length() > ServerInstance->Config->Limits.ChanMax)
+ return false;
+
+ if (chname[0] != '#')
+ return false;
+
+ for (std::string::const_iterator i = chname.begin()+1; i != chname.end(); ++i)
+ {
+ switch (*i)
+ {
+ case ' ':
+ case ',':
+ case 7:
+ return false;
+ }
+ }
+
+ return true;
+}
+
+/* true for valid nickname, false else */
+bool InspIRCd::DefaultIsNick(const std::string& n)
+{
+ if (n.empty() || n.length() > ServerInstance->Config->Limits.NickMax)
+ return false;
+
+ for (std::string::const_iterator i = n.begin(); i != n.end(); ++i)
+ {
+ if ((*i >= 'A') && (*i <= '}'))
+ {
+ /* "A"-"}" can occur anywhere in a nickname */
+ continue;
+ }
+
+ if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i != n.begin()))
+ {
+ /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */
+ continue;
+ }
+
+ /* invalid character! abort */
+ return false;
+ }
+
+ return true;
+}
+
+/* return true for good ident, false else */
+bool InspIRCd::DefaultIsIdent(const std::string& n)
+{
+ if (n.empty())
+ return false;
+
+ for (std::string::const_iterator i = n.begin(); i != n.end(); ++i)
+ {
+ if ((*i >= 'A') && (*i <= '}'))
+ {
+ continue;
+ }
+
+ if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.'))
+ {
+ continue;
+ }
+
+ return false;
+ }
+
+ return true;
+}
+
+bool InspIRCd::IsHost(const std::string& host)
+{
+ // Hostnames must be non-empty and shorter than the maximum hostname length.
+ if (host.empty() || host.length() > ServerInstance->Config->Limits.MaxHost)
+ return false;
+
+ unsigned int numdashes = 0;
+ unsigned int numdots = 0;
+ bool seendot = false;
+ const std::string::const_iterator hostend = host.end() - 1;
+ for (std::string::const_iterator iter = host.begin(); iter != host.end(); ++iter)
+ {
+ unsigned char chr = static_cast<unsigned char>(*iter);
+
+ // If the current character is a label separator.
+ if (chr == '.')
+ {
+ numdots++;
+
+ // Consecutive separators are not allowed and dashes can not exist at the start or end
+ // of labels and separators must only exist between labels.
+ if (seendot || numdashes || iter == host.begin() || iter == hostend)
+ return false;
+
+ seendot = true;
+ continue;
+ }
+
+ // If this point is reached then the character is not a dot.
+ seendot = false;
+
+ // If the current character is a dash.
+ if (chr == '-')
+ {
+ // Consecutive separators are not allowed and dashes can not exist at the start or end
+ // of labels and separators must only exist between labels.
+ if (seendot || numdashes >= 2 || iter == host.begin() || iter == hostend)
+ return false;
+
+ numdashes += 1;
+ continue;
+ }
+
+ // If this point is reached then the character is not a dash.
+ numdashes = 0;
+
+ // Alphanumeric characters are allowed at any position.
+ if ((chr >= '0' && chr <= '9') || (chr >= 'A' && chr <= 'Z') || (chr >= 'a' && chr <= 'z'))
+ continue;
+
+ return false;
+ }
+
+ // Whilst simple hostnames (e.g. localhost) are valid we do not allow the server to use
+ // them to prevent issues with clients that differentiate between short client and server
+ // prefixes by checking whether the nickname contains a dot.
+ return numdots;
+}
+
+bool InspIRCd::IsSID(const std::string &str)
+{
+ /* Returns true if the string given is exactly 3 characters long,
+ * starts with a digit, and the other two characters are A-Z or digits
+ */
+ return ((str.length() == 3) && isdigit(str[0]) &&
+ ((str[1] >= 'A' && str[1] <= 'Z') || isdigit(str[1])) &&
+ ((str[2] >= 'A' && str[2] <= 'Z') || isdigit(str[2])));
+}
+
+void InspIRCd::CheckRoot()
+{
+#ifndef _WIN32
+ if (geteuid() == 0)
+ {
+ std::cout << "ERROR: You are running an irc server as root! DO NOT DO THIS!" << std::endl << std::endl;
+ this->Logs->Log("STARTUP", LOG_DEFAULT, "Can't start as root");
+ Exit(EXIT_STATUS_ROOT);
+ }
+#endif
+}
+
+/** A lookup table of values for multiplier characters used by
+ * InspIRCd::Duration(). In this lookup table, the indexes for
+ * the ascii values 'm' and 'M' have the value '60', the indexes
+ * for the ascii values 'D' and 'd' have a value of '86400', etc.
+ */
+static const unsigned int duration_multi[] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 86400, 0, 0, 0, 3600, 0, 0, 0, 0, 60, 0, 0,
+ 0, 0, 0, 1, 0, 0, 0, 604800, 0, 31557600, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 86400, 0, 0, 0, 3600, 0, 0, 0, 0, 60, 0, 0,
+ 0, 0, 0, 1, 0, 0, 0, 604800, 0, 31557600, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+};
+
+bool InspIRCd::Duration(const std::string& str, unsigned long& duration)
+{
+ unsigned long total = 0;
+ unsigned long subtotal = 0;
+
+ /* Iterate each item in the string, looking for number or multiplier */
+ for (std::string::const_iterator i = str.begin(); i != str.end(); ++i)
+ {
+ /* Found a number, queue it onto the current number */
+ if ((*i >= '0') && (*i <= '9'))
+ {
+ subtotal = (subtotal * 10) + (*i - '0');
+ }
+ else
+ {
+ /* Found something thats not a number, find out how much
+ * it multiplies the built up number by, multiply the total
+ * and reset the built up number.
+ */
+ unsigned int multiplier = duration_multi[static_cast<unsigned char>(*i)];
+ if (multiplier == 0)
+ return false;
+
+ total += subtotal * multiplier;
+
+ /* Next subtotal please */
+ subtotal = 0;
+ }
+ }
+ /* Any trailing values built up are treated as raw seconds */
+ duration = total + subtotal;
+ return true;
+}
+
+unsigned long InspIRCd::Duration(const std::string& str)
+{
+ unsigned long out = 0;
+ InspIRCd::Duration(str, out);
+ return out;
+}
+
+bool InspIRCd::IsValidDuration(const std::string& duration)
+{
+ for (std::string::const_iterator i = duration.begin(); i != duration.end(); ++i)
+ {
+ unsigned char c = *i;
+ if (((c >= '0') && (c <= '9')))
+ continue;
+
+ if (!duration_multi[c])
+ return false;
+ }
+ return true;
+}
+
+std::string InspIRCd::DurationString(time_t duration)
+{
+ time_t years = duration / 31536000;
+ time_t weeks = (duration / 604800) % 52;
+ time_t days = (duration / 86400) % 7;
+ time_t hours = (duration / 3600) % 24;
+ time_t minutes = (duration / 60) % 60;
+ time_t seconds = duration % 60;
+
+ std::string ret;
+
+ if (years)
+ ret = ConvToStr(years) + "y";
+ if (weeks)
+ ret += ConvToStr(weeks) + "w";
+ if (days)
+ ret += ConvToStr(days) + "d";
+ if (hours)
+ ret += ConvToStr(hours) + "h";
+ if (minutes)
+ ret += ConvToStr(minutes) + "m";
+ if (seconds)
+ ret += ConvToStr(seconds) + "s";
+
+ return ret;
+}
+
+std::string InspIRCd::Format(va_list& vaList, const char* formatString)
+{
+ static std::vector<char> formatBuffer(1024);
+
+ while (true)
+ {
+ va_list dst;
+ va_copy(dst, vaList);
+
+ int vsnret = vsnprintf(&formatBuffer[0], formatBuffer.size(), formatString, dst);
+ va_end(dst);
+
+ if (vsnret > 0 && static_cast<unsigned>(vsnret) < formatBuffer.size())
+ {
+ break;
+ }
+
+ formatBuffer.resize(formatBuffer.size() * 2);
+ }
+
+ return std::string(&formatBuffer[0]);
+}
+
+std::string InspIRCd::Format(const char* formatString, ...)
+{
+ std::string ret;
+ VAFORMAT(ret, formatString, formatString);
+ return ret;
+}
+
+std::string InspIRCd::TimeString(time_t curtime, const char* format, bool utc)
+{
+#ifdef _WIN32
+ if (curtime < 0)
+ curtime = 0;
+#endif
+
+ struct tm* timeinfo = utc ? gmtime(&curtime) : localtime(&curtime);
+ if (!timeinfo)
+ {
+ curtime = 0;
+ timeinfo = localtime(&curtime);
+ }
+
+ // If the calculated year exceeds four digits or is less than the year 1000,
+ // the behavior of asctime() is undefined
+ if (timeinfo->tm_year + 1900 > 9999)
+ timeinfo->tm_year = 9999 - 1900;
+ else if (timeinfo->tm_year + 1900 < 1000)
+ timeinfo->tm_year = 0;
+
+ // This is the default format used by asctime without the terminating new line.
+ if (!format)
+ format = "%a %b %d %Y %H:%M:%S";
+
+ char buffer[512];
+ if (!strftime(buffer, sizeof(buffer), format, timeinfo))
+ buffer[0] = '\0';
+
+ return buffer;
+}
+
+std::string InspIRCd::GenRandomStr(unsigned int length, bool printable)
+{
+ char* buf = new char[length];
+ GenRandom(buf, length);
+ std::string rv;
+ rv.resize(length);
+ for(size_t i = 0; i < length; i++)
+ rv[i] = printable ? 0x3F + (buf[i] & 0x3F) : buf[i];
+ delete[] buf;
+ return rv;
+}
+
+// NOTE: this has a slight bias for lower values if max is not a power of 2.
+// Don't use it if that matters.
+unsigned long InspIRCd::GenRandomInt(unsigned long max)
+{
+ unsigned long rv;
+ GenRandom((char*)&rv, sizeof(rv));
+ return rv % max;
+}
+
+// This is overridden by a higher-quality algorithm when SSL support is loaded
+void InspIRCd::DefaultGenRandom(char* output, size_t max)
+{
+#if defined HAS_ARC4RANDOM_BUF
+ arc4random_buf(output, max);
+#else
+ for (unsigned int i = 0; i < max; ++i)
+# ifdef _WIN32
+ {
+ unsigned int uTemp;
+ if(rand_s(&uTemp) != 0)
+ output[i] = rand();
+ else
+ output[i] = uTemp;
+ }
+# else
+ output[i] = random();
+# endif
+#endif
+}