-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2019-2020 Matt Schatz <genius3000@g3k.solutions>
+ * Copyright (C) 2018 linuxdaemon <linuxdaemon.irc@gmail.com>
+ * Copyright (C) 2013 Daniel Vassdal <shutter@canternet.org>
+ * Copyright (C) 2013 Adam <Adam@anope.org>
+ * Copyright (C) 2012-2015 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012-2014, 2017-2018, 2020 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2012, 2018 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2012 ChrisTX <xpipe@hotmail.de>
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007, 2010 Craig Edwards <brain@inspircd.org>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * 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.
*
- * Written by Craig Edwards, Craig McLure, and others.
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * 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/>.
*/
-#include <stdarg.h>
-#include "inspircd_config.h"
-#include "inspircd.h"
-#include "configreader.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/errno.h>
-#include <signal.h>
-#include <time.h>
-#include <string>
-#include <sstream>
-#ifdef HAS_EXECINFO
-#include <execinfo.h>
+
+#ifdef _WIN32
+#define _CRT_RAND_S
+#include <stdlib.h>
#endif
-#include "connection.h"
-#include "users.h"
-#include "ctables.h"
-#include "globals.h"
-#include "modules.h"
-#include "dynamic.h"
-#include "wildcard.h"
-#include "message.h"
-#include "mode.h"
-#include "xline.h"
-#include "commands.h"
-#include "inspstring.h"
-#include "helperfuncs.h"
-#include "hashcomp.h"
-#include "typedefs.h"
-
-extern int MODCOUNT;
-extern ModuleList modules;
-extern ServerConfig *Config;
-extern InspIRCd* ServerInstance;
-extern time_t TIME;
-extern char lowermap[255];
-extern userrec* fd_ref_table[MAX_DESCRIPTORS];
-static char already_sent[MAX_DESCRIPTORS];
-extern std::vector<userrec*> all_opers;
-extern user_hash clientlist;
-extern chan_hash chanlist;
-
-char LOG_FILE[MAXBUF];
-
-extern std::vector<userrec*> local_users;
-
-static char TIMESTR[26];
-static time_t LAST = 0;
-
-/** log()
- * Write a line of text `text' to the logfile (and stdout, if in nofork) if the level `level'
- * is greater than the configured loglevel.
- */
-void log(int level, char *text, ...)
-{
- va_list argsPtr;
- char textbuffer[MAXBUF];
- /* If we were given -debug we output all messages, regardless of configured loglevel */
- if ((level < Config->LogLevel) && !Config->forcedebug)
- return;
+#include "inspircd.h"
+#include "xline.h"
+#include "exitcodes.h"
+#include <iostream>
- if (TIME != LAST)
- {
- struct tm *timeinfo = localtime(&TIME);
+/* 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);
+}
- strlcpy(TIMESTR,asctime(timeinfo),26);
- TIMESTR[24] = ':';
- LAST = TIME;
- }
+User* InspIRCd::FindNickOnly(const std::string &nick)
+{
+ user_hash::iterator iter = this->Users->clientlist.find(nick);
- if (Config->log_file)
- {
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
+ if (iter == this->Users->clientlist.end())
+ return NULL;
- if (Config->writelog)
- fprintf(Config->log_file,"%s %s\n",TIMESTR,textbuffer);
- }
-
- if (Config->nofork)
- {
- printf("%s %s\n", TIMESTR, textbuffer);
- }
+ return iter->second;
}
-/** readfile()
- * Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
- *
- * XXX - we may want to consider returning a file_cache or pointer to one, less confusing.
- */
-void readfile(file_cache &F, const char* fname)
+User *InspIRCd::FindUUID(const std::string &uid)
{
- FILE* file;
- char linebuf[MAXBUF];
-
- log(DEBUG,"readfile: loading %s",fname);
- F.clear();
- file = fopen(fname,"r");
+ user_hash::iterator finduuid = this->Users->uuidlist.find(uid);
- if (file)
- {
- while (!feof(file))
- {
- fgets(linebuf,sizeof(linebuf),file);
- linebuf[strlen(linebuf)-1]='\0';
+ if (finduuid == this->Users->uuidlist.end())
+ return NULL;
- if (!*linebuf)
- {
- strcpy(linebuf," ");
- }
+ return finduuid->second;
+}
+/* find a channel record by channel name and return a pointer to it */
- if (!feof(file))
- {
- F.push_back(linebuf);
- }
- }
+Channel* InspIRCd::FindChan(const std::string &chan)
+{
+ chan_hash::iterator iter = chanlist.find(chan);
- fclose(file);
- }
- else
- {
- log(DEBUG,"readfile: failed to load file: %s",fname);
- }
+ if (iter == chanlist.end())
+ /* Couldn't find it */
+ return NULL;
- log(DEBUG,"readfile: loaded %s, %lu lines",fname,(unsigned long)F.size());
+ return iter->second;
}
-/** Write_NoFormat()
- * Writes a given string in `text' to the socket on fd `sock' - only if the socket
- * is a valid entry in the local FD table.
- */
-void Write_NoFormat(int sock, const char *text)
+bool InspIRCd::IsValidMask(const std::string &mask)
{
- char tb[MAXBUF];
- int bytes;
-
- if ((sock < 0) || (!text) || (sock > MAX_DESCRIPTORS))
- return;
+ const char* dest = mask.c_str();
+ int exclamation = 0;
+ int atsign = 0;
- bytes = snprintf(tb,MAXBUF,"%s\r\n",text);
- chop(tb);
-
- if (fd_ref_table[sock])
+ for (const char* i = dest; *i; i++)
{
- if (Config->GetIOHook(fd_ref_table[sock]->port))
+ /* out of range character, bad mask */
+ if (*i < 32 || *i > 126)
{
- try
- {
- Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
- }
- catch (ModuleException& modexcept)
- {
- log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
- }
+ return false;
}
- else
+
+ switch (*i)
{
- fd_ref_table[sock]->AddWriteBuf(tb);
+ case '!':
+ exclamation++;
+ break;
+ case '@':
+ atsign++;
+ break;
}
- ServerInstance->stats->statsSent += bytes;
}
- else
- log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
-}
-/** Write()
- * Same as Write_NoFormat(), but formatted printf() style first.
- */
-void Write(int sock, char *text, ...)
-{
- va_list argsPtr;
- char textbuffer[MAXBUF];
- char tb[MAXBUF];
- int bytes;
+ /* valid masks only have 1 ! and @ */
+ if (exclamation != 1 || atsign != 1)
+ return false;
- if ((sock < 0) || (sock > MAX_DESCRIPTORS))
- return;
+ if (mask.length() > ServerInstance->Config->Limits.GetMaxMask())
+ return false;
- if (!text)
- {
- log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
- return;
- }
+ return true;
+}
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- bytes = snprintf(tb,MAXBUF,"%s\r\n",textbuffer);
- chop(tb);
+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;
- if (fd_ref_table[sock])
+ for (std::string::iterator i = sentence.begin(); i != sentence.end();)
{
- if (Config->GetIOHook(fd_ref_table[sock]->port))
+ if (*i == 3)
+ seq = 1;
+ else if (seq && (( ((*i >= '0') && (*i <= '9')) || (*i == ',') ) ))
{
- try
- {
- Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
- }
- catch (ModuleException& modexcept)
- {
- log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
- }
+ seq++;
+ if ( (seq <= 4) && (*i == ',') )
+ seq = 1;
+ else if (seq > 3)
+ seq = 0;
}
else
- {
- fd_ref_table[sock]->AddWriteBuf(tb);
- }
- ServerInstance->stats->statsSent += bytes;
+ 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;
}
- else
- log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
}
-/** WriteServ_NoFormat()
- * Same as Write_NoFormat(), except prefixes `text' with `:server.name '.
- */
-void WriteServ_NoFormat(int sock, const char* text)
+void InspIRCd::ProcessColors(file_cache& input)
{
- char tb[MAXBUF];
- int bytes;
-
- if ((sock < 0) || (!text) || (sock > MAX_DESCRIPTORS))
- return;
-
- bytes = snprintf(tb,MAXBUF,":%s %s\r\n",Config->ServerName,text);
- chop(tb);
+ /*
+ * 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("", "")
+ };
- if (fd_ref_table[sock])
+ for(file_cache::iterator it = input.begin(), it_end = input.end(); it != it_end; it++)
{
- if (Config->GetIOHook(fd_ref_table[sock]->port))
+ std::string ret = *it;
+ for(int i = 0; special[i].character.empty() == false; ++i)
{
- try
- {
- Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
- }
- catch (ModuleException& modexcept)
+ 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)
{
- log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
+ 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());
}
}
- else
+
+ // Replace double slashes with a single slash before we return
+ std::string::size_type pos = ret.find("\\\\");
+ while(pos != std::string::npos)
{
- fd_ref_table[sock]->AddWriteBuf(tb);
+ ret = ret.substr(0, pos) + "\\" + ret.substr(pos + 2);
+ pos = ret.find("\\\\", pos + 1);
}
- ServerInstance->stats->statsSent += bytes;
+ *it = ret;
}
- else
- log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
}
-/** WriteServ()
- * Same as Write(), except `text' is prefixed with `:server.name '.
- */
-void WriteServ(int sock, char* text, ...)
+/* true for valid channel name, false else */
+bool InspIRCd::DefaultIsChannel(const std::string& chname)
{
- va_list argsPtr;
- char textbuffer[MAXBUF];
+ if (chname.empty() || chname.length() > ServerInstance->Config->Limits.ChanMax)
+ return false;
- if ((sock < 0) || (sock > MAX_DESCRIPTORS))
- return;
+ if (chname[0] != '#')
+ return false;
- if (!text)
+ for (std::string::const_iterator i = chname.begin()+1; i != chname.end(); ++i)
{
- log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
- return;
+ switch (*i)
+ {
+ case ' ':
+ case ',':
+ case 7:
+ return false;
+ }
}
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- WriteServ_NoFormat(sock, textbuffer);
+ return true;
}
-/** WriteFrom_NoFormat()
- * Write `text' to a socket with fd `sock' prefixed with `:n!u@h' - taken from
- * the nick, user, and host of `user'.
- */
-void WriteFrom_NoFormat(int sock, userrec *user, const char* text)
+/* true for valid nickname, false else */
+bool InspIRCd::DefaultIsNick(const std::string& n)
{
- char tb[MAXBUF];
- int bytes;
-
- if ((sock < 0) || (!text) || (!user) || (sock > MAX_DESCRIPTORS))
- return;
-
- bytes = snprintf(tb,MAXBUF,":%s %s\r\n",user->GetFullHost(),text);
- chop(tb);
+ if (n.empty() || n.length() > ServerInstance->Config->Limits.NickMax)
+ return false;
- if (fd_ref_table[sock])
+ for (std::string::const_iterator i = n.begin(); i != n.end(); ++i)
{
- if (Config->GetIOHook(fd_ref_table[sock]->port))
+ if ((*i >= 'A') && (*i <= '}'))
{
- try
- {
- Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
- }
- catch (ModuleException& modexcept)
- {
- log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
- }
+ /* "A"-"}" can occur anywhere in a nickname */
+ continue;
}
- else
+
+ if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i != n.begin()))
{
- fd_ref_table[sock]->AddWriteBuf(tb);
+ /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */
+ continue;
}
- ServerInstance->stats->statsSent += bytes;
+
+ /* invalid character! abort */
+ return false;
}
- else
- log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
-}
-/* write text from an originating user to originating user */
+ return true;
+}
-void WriteFrom(int sock, userrec *user,char* text, ...)
+/* return true for good ident, false else */
+bool InspIRCd::DefaultIsIdent(const std::string& n)
{
- va_list argsPtr;
- char textbuffer[MAXBUF];
- char tb[MAXBUF];
- int bytes;
-
- if ((sock < 0) || (sock > MAX_DESCRIPTORS))
- return;
-
- if ((!text) || (!user))
- {
- log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
- return;
- }
-
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- bytes = snprintf(tb,MAXBUF,":%s %s\r\n",user->GetFullHost(),textbuffer);
- chop(tb);
+ if (n.empty())
+ return false;
- if (fd_ref_table[sock])
+ for (std::string::const_iterator i = n.begin(); i != n.end(); ++i)
{
- if (Config->GetIOHook(fd_ref_table[sock]->port))
+ if ((*i >= 'A') && (*i <= '}'))
{
- try
- {
- Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
- }
- catch (ModuleException& modexcept)
- {
- log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
- }
+ continue;
}
- else
+
+ if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.'))
{
- fd_ref_table[sock]->AddWriteBuf(tb);
+ continue;
}
- ServerInstance->stats->statsSent += bytes;
- }
- else
- log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
-}
-
-/* write text to an destination user from a source user (e.g. user privmsg) */
-
-void WriteTo(userrec *source, userrec *dest,char *data, ...)
-{
- char textbuffer[MAXBUF];
- va_list argsPtr;
-
- if ((!dest) || (!data))
- {
- log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
- return;
+ return false;
}
- if (!IS_LOCAL(dest))
- return;
-
- va_start(argsPtr, data);
- vsnprintf(textbuffer, MAXBUF, data, argsPtr);
- va_end(argsPtr);
- chop(textbuffer);
-
- // if no source given send it from the server.
- if (!source)
- {
- WriteServ_NoFormat(dest->fd,textbuffer);
- }
- else
- {
- WriteFrom_NoFormat(dest->fd,source,textbuffer);
- }
+ return true;
}
-void WriteTo_NoFormat(userrec *source, userrec *dest, const char *data)
+bool InspIRCd::IsHost(const std::string& host)
{
- if ((!dest) || (!data))
- return;
+ // Hostnames must be non-empty and shorter than the maximum hostname length.
+ if (host.empty() || host.length() > ServerInstance->Config->Limits.MaxHost)
+ return false;
- if (!source)
- {
- WriteServ_NoFormat(dest->fd,data);
- }
- else
+ 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)
{
- WriteFrom_NoFormat(dest->fd,source,data);
- }
-}
+ unsigned char chr = static_cast<unsigned char>(*iter);
-/* write formatted text from a source user to all users on a channel
- * including the sender (NOT for privmsg, notice etc!) */
-
-void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
-{
- char textbuffer[MAXBUF];
- va_list argsPtr;
- CUList *ulist;
+ // If the current character is a label separator.
+ if (chr == '.')
+ {
+ numdots++;
- if ((!Ptr) || (!user) || (!text))
- {
- log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
- return;
- }
+ // 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;
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
+ seendot = true;
+ continue;
+ }
- ulist = Ptr->GetUsers();
+ // If this point is reached then the character is not a dot.
+ seendot = false;
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if (i->second->fd != FD_MAGIC_NUMBER)
- WriteTo_NoFormat(user,i->second,textbuffer);
- }
-}
+ // 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;
-void WriteChannel_NoFormat(chanrec* Ptr, userrec* user, const char* text)
-{
- CUList *ulist;
+ numdashes += 1;
+ continue;
+ }
- if ((!Ptr) || (!user) || (!text))
- {
- log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
- return;
- }
+ // If this point is reached then the character is not a dash.
+ numdashes = 0;
- ulist = Ptr->GetUsers();
+ // Alphanumeric characters are allowed at any position.
+ if ((chr >= '0' && chr <= '9') || (chr >= 'A' && chr <= 'Z') || (chr >= 'a' && chr <= 'z'))
+ continue;
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if (i->second->fd != FD_MAGIC_NUMBER)
- WriteTo_NoFormat(user,i->second,text);
+ 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;
+}
-/* write formatted text from a source user to all users on a channel
- * including the sender (NOT for privmsg, notice etc!) doesnt send to
- * users on remote servers */
-
-void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
+bool InspIRCd::IsSID(const std::string &str)
{
- char textbuffer[MAXBUF];
- va_list argsPtr;
- CUList *ulist;
-
- if ((!Ptr) || (!text))
- {
- log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
- return;
- }
+ /* 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])));
+}
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
+/** 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 that's 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;
- ulist = Ptr->GetUsers();
+ total += subtotal * multiplier;
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if ((i->second->fd != FD_MAGIC_NUMBER) && (i->second != user))
- {
- if (!user)
- {
- WriteServ_NoFormat(i->second->fd,textbuffer);
- }
- else
- {
- WriteTo_NoFormat(user,i->second,textbuffer);
- }
+ /* Next subtotal please */
+ subtotal = 0;
}
}
+ /* Any trailing values built up are treated as raw seconds */
+ duration = total + subtotal;
+ return true;
}
-void WriteChannelLocal_NoFormat(chanrec* Ptr, userrec* user, const char* text)
+unsigned long InspIRCd::Duration(const std::string& str)
{
- CUList *ulist;
+ unsigned long out = 0;
+ InspIRCd::Duration(str, out);
+ return out;
+}
- if ((!Ptr) || (!text))
+bool InspIRCd::IsValidDuration(const std::string& duration)
+{
+ for (std::string::const_iterator i = duration.begin(); i != duration.end(); ++i)
{
- log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
- return;
- }
-
- ulist = Ptr->GetUsers();
+ unsigned char c = *i;
+ if (((c >= '0') && (c <= '9')))
+ continue;
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if ((i->second->fd != FD_MAGIC_NUMBER) && (i->second != user))
- {
- if (!user)
- {
- WriteServ_NoFormat(i->second->fd,text);
- }
- else
- {
- WriteTo_NoFormat(user,i->second,text);
- }
- }
+ if (!duration_multi[c])
+ return false;
}
+ return true;
}
-
-
-void WriteChannelWithServ(char* ServName, chanrec* Ptr, char* text, ...)
+std::string InspIRCd::DurationString(time_t duration)
{
- char textbuffer[MAXBUF];
- va_list argsPtr;
- CUList *ulist;
+ if (duration == 0)
+ return "0s";
- if ((!Ptr) || (!text))
- {
- log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
- return;
- }
+ time_t years = duration / 31449600;
+ 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;
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
+ std::string ret;
- ulist = Ptr->GetUsers();
+ 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";
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if (IS_LOCAL(i->second))
- WriteServ_NoFormat(i->second->fd,textbuffer);
- }
+ return ret;
}
-void WriteChannelWithServ_NoFormat(char* ServName, chanrec* Ptr, const char* text)
+std::string InspIRCd::Format(va_list& vaList, const char* formatString)
{
- CUList *ulist;
+ static std::vector<char> formatBuffer(1024);
- if ((!Ptr) || (!text))
+ while (true)
{
- log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
- return;
- }
+ va_list dst;
+ va_copy(dst, vaList);
- ulist = Ptr->GetUsers();
+ int vsnret = vsnprintf(&formatBuffer[0], formatBuffer.size(), formatString, dst);
+ va_end(dst);
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if (IS_LOCAL(i->second))
- WriteServ_NoFormat(i->second->fd,text);
- }
-}
+ if (vsnret > 0 && static_cast<unsigned>(vsnret) < formatBuffer.size())
+ {
+ break;
+ }
+ formatBuffer.resize(formatBuffer.size() * 2);
+ }
+ return std::string(&formatBuffer[0]);
+}
-/* write formatted text from a source user to all users on a channel except
- * for the sender (for privmsg etc) */
+std::string InspIRCd::Format(const char* formatString, ...)
+{
+ std::string ret;
+ VAFORMAT(ret, formatString, formatString);
+ return ret;
+}
-void ChanExceptSender(chanrec* Ptr, userrec* user, char status, char* text, ...)
+std::string InspIRCd::TimeString(time_t curtime, const char* format, bool utc)
{
- char textbuffer[MAXBUF];
- va_list argsPtr;
- CUList *ulist;
+#ifdef _WIN32
+ if (curtime < 0)
+ curtime = 0;
+#endif
- if ((!Ptr) || (!user) || (!text))
+ struct tm* timeinfo = utc ? gmtime(&curtime) : localtime(&curtime);
+ if (!timeinfo)
{
- log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
- return;
+ curtime = 0;
+ timeinfo = localtime(&curtime);
}
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
+ // 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;
- switch (status)
- {
- case '@':
- ulist = Ptr->GetOppedUsers();
- break;
- case '%':
- ulist = Ptr->GetHalfoppedUsers();
- break;
- case '+':
- ulist = Ptr->GetVoicedUsers();
- break;
- default:
- ulist = Ptr->GetUsers();
- break;
- }
+ // This is the default format used by asctime without the terminating new line.
+ if (!format)
+ format = "%a %b %d %Y %H:%M:%S";
- log(DEBUG,"%d users to write to",ulist->size());
+ char buffer[512];
+ if (!strftime(buffer, sizeof(buffer), format, timeinfo))
+ buffer[0] = '\0';
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if ((IS_LOCAL(i->second)) && (user != i->second))
- WriteFrom_NoFormat(i->second->fd,user,textbuffer);
- }
+ return buffer;
}
-void ChanExceptSender_NoFormat(chanrec* Ptr, userrec* user, char status, const char* text)
+std::string InspIRCd::GenRandomStr(unsigned int length, bool printable)
{
- CUList *ulist;
-
- if ((!Ptr) || (!user) || (!text))
- {
- log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
- return;
- }
-
- switch (status)
- {
- case '@':
- ulist = Ptr->GetOppedUsers();
- break;
- case '%':
- ulist = Ptr->GetHalfoppedUsers();
- break;
- case '+':
- ulist = Ptr->GetVoicedUsers();
- break;
- default:
- ulist = Ptr->GetUsers();
- break;
- }
-
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if ((IS_LOCAL(i->second)) && (user != i->second))
- WriteFrom_NoFormat(i->second->fd,user,text);
- }
+ std::vector<char> str(length);
+ GenRandom(&str[0], length);
+ if (printable)
+ for (size_t i = 0; i < length; i++)
+ str[i] = 0x3F + (str[i] & 0x3F);
+ return std::string(&str[0], str.size());
}
-std::string GetServerDescription(char* servername)
+// 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)
{
- std::string description = "";
-
- FOREACH_MOD(I_OnGetServerDescription,OnGetServerDescription(servername,description));
-
- if (description != "")
- {
- return description;
- }
- else
- {
- // not a remote server that can be found, it must be me.
- return Config->ServerDesc;
- }
+ unsigned long rv;
+ GenRandom((char*)&rv, sizeof(rv));
+ return rv % max;
}
-/* write a formatted string to all users who share at least one common
- * channel, including the source user e.g. for use in NICK */
-
-void WriteCommon(userrec *u, char* text, ...)
+// This is overridden by a higher-quality algorithm when TLS (SSL) support is loaded
+void InspIRCd::DefaultGenRandom(char* output, size_t max)
{
- char textbuffer[MAXBUF];
- va_list argsPtr;
- bool sent_to_at_least_one = false;
-
- if (!u)
- {
- log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
- return;
- }
-
- if (u->registered != 7)
+#if defined HAS_ARC4RANDOM_BUF
+ arc4random_buf(output, max);
+#else
+ for (unsigned int i = 0; i < max; ++i)
+# ifdef _WIN32
{
- log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
- return;
+ unsigned int uTemp;
+ if(rand_s(&uTemp) != 0)
+ output[i] = rand();
+ else
+ output[i] = uTemp;
}
-
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- // FIX: Stops a message going to the same person more than once
- memset(&already_sent,0,MAX_DESCRIPTORS);
-
- for (std::vector<ucrec*>::const_iterator v = u->chans.begin(); v != u->chans.end(); v++)
- {
- if (((ucrec*)(*v))->channel)
- {
- CUList *ulist= ((ucrec*)(*v))->channel->GetUsers();
-
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if ((i->second->fd > -1) && (!already_sent[i->second->fd]))
- {
- already_sent[i->second->fd] = 1;
- WriteFrom_NoFormat(i->second->fd,u,textbuffer);
- sent_to_at_least_one = true;
- }
- }
- }
- }
-
- /*
- * if the user was not in any channels, no users will receive the text. Make sure the user
- * receives their OWN message for WriteCommon
- */
- if (!sent_to_at_least_one)
- {
- WriteFrom_NoFormat(u->fd,u,textbuffer);
- }
-}
-
-void WriteCommon_NoFormat(userrec *u, const char* text)
-{
- bool sent_to_at_least_one = false;
-
- if (!u)
- {
- log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
- return;
- }
-
- if (u->registered != 7)
- {
- log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
- return;
- }
-
- // FIX: Stops a message going to the same person more than once
- memset(&already_sent,0,MAX_DESCRIPTORS);
-
- for (std::vector<ucrec*>::const_iterator v = u->chans.begin(); v != u->chans.end(); v++)
- {
- if (((ucrec*)(*v))->channel)
- {
- CUList *ulist= ((ucrec*)(*v))->channel->GetUsers();
-
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if ((i->second->fd > -1) && (!already_sent[i->second->fd]))
- {
- already_sent[i->second->fd] = 1;
- WriteFrom_NoFormat(i->second->fd,u,text);
- sent_to_at_least_one = true;
- }
- }
- }
- }
-
- /*
- * if the user was not in any channels, no users will receive the text. Make sure the user
- * receives their OWN message for WriteCommon
- */
- if (!sent_to_at_least_one)
- {
- WriteFrom_NoFormat(u->fd,u,text);
- }
-}
-
-
-/* write a formatted string to all users who share at least one common
- * channel, NOT including the source user e.g. for use in QUIT
- */
-
-void WriteCommonExcept(userrec *u, char* text, ...)
-{
- char textbuffer[MAXBUF];
- char oper_quit[MAXBUF];
- bool quit_munge = false;
- va_list argsPtr;
- int total;
-
- if (!u)
- {
- log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
- return;
- }
-
- if (u->registered != 7)
- {
- log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
- return;
- }
-
- va_start(argsPtr, text);
- total = vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- if ((Config->HideSplits) && (total > 6))
- {
- /* Yeah yeah, this is ugly. But its fast, live with it. */
- char* check = textbuffer;
-
- if ((*check++ == 'Q') && (*check++ == 'U') && (*check++ == 'I') && (*check++ == 'T') && (*check++ == ' ') && (*check++ == ':'))
- {
- std::stringstream split(check);
- std::string server_one;
- std::string server_two;
-
- split >> server_one;
- split >> server_two;
-
- if ((FindServerName(server_one)) && (FindServerName(server_two)))
- {
- strlcpy(oper_quit,textbuffer,MAXQUIT);
- strlcpy(check,"*.net *.split",MAXQUIT);
- quit_munge = true;
- }
- }
- }
-
- if ((Config->HideBans) && (total > 13) && (!quit_munge))
- {
- char* check = textbuffer;
-
- /* XXX - as above */
- if ((*check++ == 'Q') && (*check++ == 'U') && (*check++ == 'I') && (*check++ == 'T') && (*check++ == ' ') && (*check++ == ':'))
- {
- check++;
-
- if ((*check++ == '-') && (*check++ == 'L') && (*check++ == 'i') && (*check++ == 'n') && (*check++ == 'e') && (*check++ == 'd') && (*check++ == ':'))
- {
- strlcpy(oper_quit,textbuffer,MAXQUIT);
- *(--check) = 0; // We don't need to strlcpy, we just chop it from the :
- quit_munge = true;
- }
- }
- }
-
- memset(&already_sent,0,MAX_DESCRIPTORS);
-
- for (std::vector<ucrec*>::const_iterator v = u->chans.begin(); v != u->chans.end(); v++)
- {
- if (((ucrec*)(*v))->channel)
- {
- CUList *ulist= ((ucrec*)(*v))->channel->GetUsers();
-
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if (u != i->second)
- {
- if ((i->second->fd > -1) && (!already_sent[i->second->fd]))
- {
- already_sent[i->second->fd] = 1;
-
- if (quit_munge)
- {
- WriteFrom_NoFormat(i->second->fd,u,*i->second->oper ? oper_quit : textbuffer);
- }
- else
- WriteFrom_NoFormat(i->second->fd,u,textbuffer);
- }
- }
- }
- }
- }
-}
-
-void WriteCommonExcept_NoFormat(userrec *u, const char* text)
-{
- if (!u)
- {
- log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
- return;
- }
-
- if (u->registered != 7)
- {
- log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
- return;
- }
-
- memset(&already_sent,0,MAX_DESCRIPTORS);
-
- for (std::vector<ucrec*>::const_iterator v = u->chans.begin(); v != u->chans.end(); v++)
- {
- if (((ucrec*)(*v))->channel)
- {
- CUList *ulist= ((ucrec*)(*v))->channel->GetUsers();
-
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if (u != i->second)
- {
- if ((i->second->fd > -1) && (!already_sent[i->second->fd]))
- {
- already_sent[i->second->fd] = 1;
- WriteFrom_NoFormat(i->second->fd,u,text);
- }
- }
- }
- }
- }
-}
-
-
-/* XXX - We don't use WriteMode for this because WriteMode is very slow and
- * this isnt. Basically WriteMode has to iterate ALL the users 'n' times for
- * the number of modes provided, e.g. if you send WriteMode 'og' to write to
- * opers with globops, and you have 2000 users, thats 4000 iterations. WriteOpers
- * uses the oper list, which means if you have 2000 users but only 5 opers,
- * it iterates 5 times.
- */
-void WriteOpers(const char* text, ...)
-{
- char textbuffer[MAXBUF];
- va_list argsPtr;
-
- if (!text)
- {
- log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
- return;
- }
-
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- WriteOpers_NoFormat(textbuffer);
-}
-
-void WriteOpers_NoFormat(const char* text)
-{
- if (!text)
- {
- log(DEFAULT,"*** BUG *** WriteOpers_NoFormat was given an invalid parameter");
- return;
- }
-
- for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
- {
- userrec* a = *i;
-
- if (IS_LOCAL(a))
- {
- if (a->modebits & UM_SERVERNOTICE)
- {
- // send server notices to all with +s
- WriteServ(a->fd,"NOTICE %s :%s",a->nick,text);
- }
- }
- }
-}
-
-void ServerNoticeAll(char* text, ...)
-{
- if (!text)
- return;
-
- char textbuffer[MAXBUF];
- char formatbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s",Config->ServerName,textbuffer);
-
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- WriteServ_NoFormat(t->fd,formatbuffer);
- }
-}
-
-void ServerPrivmsgAll(char* text, ...)
-{
- if (!text)
- return;
-
- char textbuffer[MAXBUF];
- char formatbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s",Config->ServerName,textbuffer);
-
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- WriteServ_NoFormat(t->fd,formatbuffer);
- }
-}
-
-void WriteMode(const char* modes, int flags, const char* text, ...)
-{
- char textbuffer[MAXBUF];
- int modelen;
- va_list argsPtr;
-
- if ((!text) || (!modes) || (!flags))
- {
- log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
- return;
- }
-
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- modelen = strlen(modes);
-
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- bool send_to_user = false;
-
- if (flags == WM_AND)
- {
- send_to_user = true;
-
- for (int n = 0; n < modelen; n++)
- {
- if (!hasumode(t,modes[n]))
- {
- send_to_user = false;
- break;
- }
- }
- }
- else if (flags == WM_OR)
- {
- send_to_user = false;
-
- for (int n = 0; n < modelen; n++)
- {
- if (hasumode(t,modes[n]))
- {
- send_to_user = true;
- break;
- }
- }
- }
-
- if (send_to_user)
- {
- WriteServ(t->fd,"NOTICE %s :%s",t->nick,textbuffer);
- }
- }
-}
-
-void NoticeAll(userrec *source, bool local_only, char* text, ...)
-{
- char textbuffer[MAXBUF];
- char formatbuffer[MAXBUF];
- va_list argsPtr;
-
- if ((!text) || (!source))
- {
- log(DEFAULT,"*** BUG *** NoticeAll was given an invalid parameter");
- return;
- }
-
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- snprintf(formatbuffer,MAXBUF,"NOTICE $* :%s",textbuffer);
-
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- WriteFrom_NoFormat(t->fd,source,formatbuffer);
- }
-}
-
-
-void WriteWallOps(userrec *source, bool local_only, char* text, ...)
-{
- char textbuffer[MAXBUF];
- char formatbuffer[MAXBUF];
- va_list argsPtr;
-
- if ((!text) || (!source))
- {
- log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
- return;
- }
-
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- snprintf(formatbuffer,MAXBUF,"WALLOPS :%s",textbuffer);
-
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
-
- if ((IS_LOCAL(t)) && (t->modebits & UM_WALLOPS))
- {
- WriteTo_NoFormat(source,t,formatbuffer);
- }
- }
-}
-
-/* convert a string to lowercase. Note following special circumstances
- * taken from RFC 1459. Many "official" server branches still hold to this
- * rule so i will too;
- *
- * Because of IRC's scandanavian origin, the characters {}| are
- * considered to be the lower case equivalents of the characters []\,
- * respectively. This is a critical issue when determining the
- * equivalence of two nicknames.
- */
-void strlower(char *n)
-{
- if (n)
- {
- for (char* t = n; *t; t++)
- *t = lowermap[(unsigned char)*t];
- }
-}
-
-/* Find a user record by nickname and return a pointer to it */
-
-userrec* Find(const std::string &nick)
-{
- user_hash::iterator iter = clientlist.find(nick);
-
- if (iter == clientlist.end())
- /* Couldn't find it */
- return NULL;
-
- return iter->second;
-}
-
-userrec* Find(const char* nick)
-{
- user_hash::iterator iter;
-
- if (!nick)
- return NULL;
-
- iter = clientlist.find(nick);
-
- if (iter == clientlist.end())
- return NULL;
-
- return iter->second;
-}
-
-/* find a channel record by channel name and return a pointer to it */
-
-chanrec* FindChan(const char* chan)
-{
- chan_hash::iterator iter;
-
- if (!chan)
- {
- log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
- return NULL;
- }
-
- iter = chanlist.find(chan);
-
- if (iter == chanlist.end())
- /* Couldn't find it */
- return NULL;
-
- return iter->second;
-}
-
-
-long GetMaxBans(char* name)
-{
- std::string x;
- for (std::map<std::string,int>::iterator n = Config->maxbans.begin(); n != Config->maxbans.end(); n++)
- {
- x = n->first;
- if (match(name,x.c_str()))
- {
- return n->second;
- }
- }
- return 64;
-}
-
-void purge_empty_chans(userrec* u)
-{
- std::vector<chanrec*> to_delete;
-
- // firstly decrement the count on each channel
- for (std::vector<ucrec*>::iterator f = u->chans.begin(); f != u->chans.end(); f++)
- {
- if (((ucrec*)(*f))->channel)
- {
- if (((ucrec*)(*f))->channel->DelUser(u) == 0)
- {
- /* No users left in here, mark it for deletion */
- to_delete.push_back(((ucrec*)(*f))->channel);
- ((ucrec*)(*f))->channel = NULL;
- }
- }
- }
-
- log(DEBUG,"purge_empty_chans: %d channels to delete",to_delete.size());
-
- for (std::vector<chanrec*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
- {
- chanrec* thischan = (chanrec*)*n;
- chan_hash::iterator i2 = chanlist.find(thischan->name);
- if (i2 != chanlist.end())
- {
- FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
- DELETE(i2->second);
- chanlist.erase(i2);
- }
- }
-
- if (*u->oper)
- DeleteOper(u);
-}
-
-
-char* chanmodes(chanrec *chan, bool showkey)
-{
- static char scratch[MAXBUF];
- static char sparam[MAXBUF];
- char* offset = scratch;
- std::string extparam = "";
-
- if (!chan)
- {
- log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
- *scratch = '\0';
- return scratch;
- }
-
- *scratch = '\0';
- *sparam = '\0';
-
- /* This was still iterating up to 190, chanrec::custom_modes is only 64 elements -- Om */
- for(int n = 0; n < 64; n++)
- {
- if(chan->modes[n])
- {
- *offset++ = n+65;
- extparam = "";
- switch (n)
- {
- case CM_KEY:
- extparam = (showkey ? chan->key : "<key>");
- break;
- case CM_LIMIT:
- extparam = ConvToStr(chan->limit);
- break;
- case CM_NOEXTERNAL:
- case CM_TOPICLOCK:
- case CM_INVITEONLY:
- case CM_MODERATED:
- case CM_SECRET:
- case CM_PRIVATE:
- /* We know these have no parameters */
- break;
- default:
- extparam = chan->GetModeParameter(n+65);
- break;
- }
- if (extparam != "")
- {
- charlcat(sparam,' ',MAXBUF);
- strlcat(sparam,extparam.c_str(),MAXBUF);
- }
- }
- }
-
- /* Null terminate scratch */
- *offset = '\0';
- strlcat(scratch,sparam,MAXBUF);
- return scratch;
-}
-
-
-/* compile a userlist of a channel into a string, each nick seperated by
- * spaces and op, voice etc status shown as @ and + */
-
-void userlist(userrec *user,chanrec *c)
-{
- if ((!c) || (!user))
- {
- log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
- return;
- }
-
- char list[MAXBUF];
- size_t dlen, curlen;
-
- dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
-
- int numusers = 0;
- char* ptr = list + dlen;
-
- CUList *ulist= c->GetUsers();
-
- /* Improvement by Brain - this doesnt change in value, so why was it inside
- * the loop?
- */
- bool has_user = c->HasUser(user);
-
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if ((!has_user) && (i->second->modebits & UM_INVISIBLE))
- {
- /*
- * user is +i, and source not on the channel, does not show
- * nick in NAMES list
- */
- continue;
- }
-
- size_t ptrlen = snprintf(ptr, MAXBUF, "%s%s ", cmode(i->second, c), i->second->nick);
-
- curlen += ptrlen;
- ptr += ptrlen;
-
- numusers++;
-
- if (curlen > (480-NICKMAX))
- {
- /* list overflowed into multiple numerics */
- WriteServ_NoFormat(user->fd,list);
-
- /* reset our lengths */
- dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
- ptr = list + dlen;
-
- ptrlen = 0;
- numusers = 0;
- }
- }
-
- /* if whats left in the list isnt empty, send it */
- if (numusers)
- {
- WriteServ_NoFormat(user->fd,list);
- }
-}
-
-/*
- * return a count of the users on a specific channel accounting for
- * invisible users who won't increase the count. e.g. for /LIST
- */
-int usercount_i(chanrec *c)
-{
- int count = 0;
-
- if (!c)
- return 0;
-
- CUList *ulist= c->GetUsers();
- for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
- {
- if (!(i->second->modebits & UM_INVISIBLE))
- count++;
- }
-
- return count;
-}
-
-int usercount(chanrec *c)
-{
- return (c ? c->GetUserCounter() : 0);
-}
-
-
-/* looks up a users password for their connection class (<ALLOW>/<DENY> tags) */
-ConnectClass GetClass(userrec *user)
-{
- for (ClassVector::iterator i = Config->Classes.begin(); i != Config->Classes.end(); i++)
- {
- if (match(user->host,i->host.c_str()))
- {
- return *i;
- }
- }
-
- return *(Config->Classes.begin());
-}
-
-/*
- * sends out an error notice to all connected clients (not to be used
- * lightly!)
- */
-void send_error(char *s)
-{
- log(DEBUG,"send_error: %s",s);
-
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- if (t->registered == 7)
- {
- WriteServ(t->fd,"NOTICE %s :%s",t->nick,s);
- }
- else
- {
- // fix - unregistered connections receive ERROR, not NOTICE
- Write(t->fd,"ERROR :%s",s);
- }
- }
-}
-
-void Error(int status)
-{
- void *array[300];
- size_t size;
- char **strings;
-
- signal(SIGALRM, SIG_IGN);
- signal(SIGPIPE, SIG_IGN);
- signal(SIGTERM, SIG_IGN);
- signal(SIGABRT, SIG_IGN);
- signal(SIGSEGV, SIG_IGN);
- signal(SIGURG, SIG_IGN);
- signal(SIGKILL, SIG_IGN);
- log(DEFAULT,"*** fell down a pothole in the road to perfection ***");
-#ifdef HAS_EXECINFO
- log(DEFAULT,"Please report the backtrace lines shown below with any bugreport to the bugtracker at http://www.inspircd.org/bugtrack/");
- size = backtrace(array, 30);
- strings = backtrace_symbols(array, size);
- for (size_t i = 0; i < size; i++) {
- log(DEFAULT,"[%d] %s", i, strings[i]);
- }
- free(strings);
- WriteOpers("*** SIGSEGV: Please see the ircd.log for backtrace and report the error to http://www.inspircd.org/bugtrack/");
-#else
- log(DEFAULT,"You do not have execinfo.h so i could not backtrace -- on FreeBSD, please install the libexecinfo port.");
+# else
+ output[i] = random();
+# endif
#endif
- send_error("Somebody screwed up... Whoops. IRC Server terminating.");
- signal(SIGSEGV, SIG_DFL);
- if (raise(SIGSEGV) == -1)
- {
- log(DEFAULT,"What the hell, i couldnt re-raise SIGSEGV! Error: %s",strerror(errno));
- }
- Exit(status);
-}
-
-// this function counts all users connected, wether they are registered or NOT.
-int usercnt(void)
-{
- return clientlist.size();
-}
-
-// this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state
-int registered_usercount(void)
-{
- int c = 0;
-
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if (i->second->registered == 7) c++;
- }
-
- return c;
-}
-
-int usercount_invisible(void)
-{
- int c = 0;
-
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if ((i->second->registered == 7) && (i->second->modebits & UM_INVISIBLE))
- c++;
- }
-
- return c;
-}
-
-int usercount_opers(void)
-{
- int c = 0;
-
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if (*(i->second->oper))
- c++;
- }
- return c;
-}
-
-int usercount_unknown(void)
-{
- int c = 0;
-
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- if (t->registered != 7)
- c++;
- }
-
- return c;
-}
-
-long chancount(void)
-{
- return chanlist.size();
-}
-
-long local_count()
-{
- int c = 0;
-
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- if (t->registered == 7)
- c++;
- }
-
- return c;
-}
-
-void ShowMOTD(userrec *user)
-{
- static char mbuf[MAXBUF];
- static char crud[MAXBUF];
- std::string WholeMOTD = "";
-
- if (!Config->MOTD.size())
- {
- WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
- return;
- }
-
- snprintf(crud,MAXBUF,":%s 372 %s :- ", Config->ServerName, user->nick);
- snprintf(mbuf,MAXBUF,":%s 375 %s :- %s message of the day\r\n", Config->ServerName, user->nick, Config->ServerName);
- WholeMOTD = WholeMOTD + mbuf;
-
- for (unsigned int i = 0; i < Config->MOTD.size(); i++)
- WholeMOTD = WholeMOTD + std::string(crud) + Config->MOTD[i].c_str() + std::string("\r\n");
-
- snprintf(mbuf,MAXBUF,":%s 376 %s :End of message of the day.\r\n", Config->ServerName, user->nick);
- WholeMOTD = WholeMOTD + mbuf;
-
- // only one write operation
- if (Config->GetIOHook(user->port))
- {
- try
- {
- Config->GetIOHook(user->port)->OnRawSocketWrite(user->fd,(char*)WholeMOTD.c_str(),WholeMOTD.length());
- }
- catch (ModuleException& modexcept)
- {
- log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
- }
- }
- else
- {
- user->AddWriteBuf(WholeMOTD);
- }
-
- ServerInstance->stats->statsSent += WholeMOTD.length();
-}
-
-void ShowRULES(userrec *user)
-{
- if (!Config->RULES.size())
- {
- WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
- return;
- }
- WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,Config->ServerName);
-
- for (unsigned int i = 0; i < Config->RULES.size(); i++)
- WriteServ(user->fd,"NOTICE %s :%s",user->nick,Config->RULES[i].c_str());
-
- WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,Config->ServerName);
-}
-
-// this returns 1 when all modules are satisfied that the user should be allowed onto the irc server
-// (until this returns true, a user will block in the waiting state, waiting to connect up to the
-// registration timeout maximum seconds)
-bool AllModulesReportReady(userrec* user)
-{
- if (!Config->global_implementation[I_OnCheckReady])
- return true;
-
- for (int i = 0; i <= MODCOUNT; i++)
- {
- if (Config->implement_lists[i][I_OnCheckReady])
- {
- int res = modules[i]->OnCheckReady(user);
- if (!res)
- return false;
- }
- }
-
- return true;
-}
-
-/* Make Sure Modules Are Avaliable!
- * (BugFix By Craig.. See? I do work! :p)
- * Modified by brain, requires const char*
- * to work with other API functions
- */
-
-/* XXX - Needed? */
-bool FileExists (const char* file)
-{
- FILE *input;
- if ((input = fopen (file, "r")) == NULL)
- {
- return(false);
- }
- else
- {
- fclose (input);
- return(true);
- }
-}
-
-char* CleanFilename(char* name)
-{
- char* p = name + strlen(name);
- while ((p != name) && (*p != '/')) p--;
- return (p != name ? ++p : p);
-}
-
-bool DirValid(char* dirandfile)
-{
- char work[MAXBUF];
- char buffer[MAXBUF];
- char otherdir[MAXBUF];
- int p;
-
- strlcpy(work, dirandfile, MAXBUF);
- p = strlen(work);
-
- // we just want the dir
- while (*work)
- {
- if (work[p] == '/')
- {
- work[p] = '\0';
- break;
- }
-
- work[p--] = '\0';
- }
-
- // Get the current working directory
- if (getcwd(buffer, MAXBUF ) == NULL )
- return false;
-
- chdir(work);
-
- if (getcwd(otherdir, MAXBUF ) == NULL )
- return false;
-
- chdir(buffer);
-
- size_t t = strlen(work);
-
- if (strlen(otherdir) >= t)
- {
- otherdir[t] = '\0';
-
- if (!strcmp(otherdir,work))
- {
- return true;
- }
-
- return false;
- }
- else
- {
- return false;
- }
-}
-
-std::string GetFullProgDir(char** argv, int argc)
-{
- char work[MAXBUF];
- char buffer[MAXBUF];
- char otherdir[MAXBUF];
- int p;
-
- strlcpy(work,argv[0],MAXBUF);
- p = strlen(work);
-
- // we just want the dir
- while (*work)
- {
- if (work[p] == '/')
- {
- work[p] = '\0';
- break;
- }
-
- work[p--] = '\0';
- }
-
- // Get the current working directory
- if (getcwd(buffer, MAXBUF) == NULL)
- return "";
-
- chdir(work);
-
- if (getcwd(otherdir, MAXBUF) == NULL)
- return "";
-
- chdir(buffer);
- return otherdir;
-}
-
-int InsertMode(std::string &output, const char* mode, unsigned short section)
-{
- unsigned short currsection = 1;
- unsigned int pos = output.find("CHANMODES=", 0) + 10; // +10 for the length of "CHANMODES="
-
- if(section > 4 || section == 0)
- {
- log(DEBUG, "InsertMode: CHANMODES doesn't have a section %dh :/", section);
- return 0;
- }
-
- for(; pos < output.size(); pos++)
- {
- if(section == currsection)
- break;
-
- if(output[pos] == ',')
- currsection++;
- }
-
- output.insert(pos, mode);
- return 1;
-}
-
-bool IsValidChannelName(const char *chname)
-{
- char *c;
-
- /* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */
- if (!chname || *chname != '#')
- {
- return false;
- }
-
- c = (char *)chname + 1;
- while (*c)
- {
- switch (*c)
- {
- case ' ':
- case ',':
- case 7:
- return false;
- }
-
- c++;
- }
-
- /* too long a name - note funky pointer arithmetic here. */
- if ((c - chname) > CHANMAX)
- {
- return false;
- }
-
- return true;
-}
-
-inline int charlcat(char* x,char y,int z)
-{
- char* x__n = x;
- int v = 0;
-
- while(*x__n++)
- v++;
-
- if (v < z - 1)
- {
- *--x__n = y;
- *++x__n = 0;
- }
-
- return v;
-}
-
-bool charremove(char* mp, char remove)
-{
- char* mptr = mp;
- bool shift_down = false;
-
- while (*mptr)
- {
- if (*mptr == remove)
- shift_down = true;
-
- if (shift_down)
- *mptr = *(mptr+1);
-
- mptr++;
- }
-
- return shift_down;
-}
-
-void OpenLog(char** argv, int argc)
-{
- if (!*LOG_FILE)
- {
- if (Config->logpath == "")
- {
- Config->logpath = GetFullProgDir(argv,argc) + "/ircd.log";
- }
- }
- else
- {
- Config->log_file = fopen(LOG_FILE,"a+");
-
- if (!Config->log_file)
- {
- printf("ERROR: Could not write to logfile %s, bailing!\n\n",Config->logpath.c_str());
- Exit(ERROR);
- }
-
- return;
- }
-
- Config->log_file = fopen(Config->logpath.c_str(),"a+");
-
- if (!Config->log_file)
- {
- printf("ERROR: Could not write to logfile %s, bailing!\n\n",Config->logpath.c_str());
- Exit(ERROR);
- }
-}
-
-void CheckRoot()
-{
- if (geteuid() == 0)
- {
- printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
- log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
- Exit(ERROR);
- }
-}
-
-void CheckDie()
-{
- if (*Config->DieValue)
- {
- printf("WARNING: %s\n\n",Config->DieValue);
- log(DEFAULT,"Uh-Oh, somebody didn't read their config file: '%s'",Config->DieValue);
- Exit(ERROR);
- }
-}
-
-/* We must load the modules AFTER initializing the socket engine, now */
-void LoadAllModules(InspIRCd* ServerInstance)
-{
- char configToken[MAXBUF];
- Config->module_names.clear();
- MODCOUNT = -1;
-
- for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "module"); count++)
- {
- Config->ConfValue(Config->config_data, "module","name",count,configToken,MAXBUF);
- printf("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n",configToken);
-
- if (!ServerInstance->LoadModule(configToken))
- {
- log(DEFAULT,"Exiting due to a module loader error.");
- printf("\nThere was an error loading a module: %s\n\n",ServerInstance->ModuleError());
- Exit(0);
- }
- }
-
- log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
}
projects / user / henk / code / inspircd.git / blobdiff