-/* +------------------------------------+
\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\rchanrec::chanrec(InspIRCd* Instance) : ServerInstance(Instance)
\r{
\r *name = *topic = *setby = *key = 0;
\r maxbans = created = topicset = limit = 0;
\r memset(&modes,0,64);
\r age = ServerInstance->Time(true);
\r}
\r\rvoid chanrec::SetMode(char mode,bool mode_on)
\r{
\r modes[mode-65] = mode_on;
\r if (!mode_on)
\r this->SetModeParam(mode,"",false);
\r}
\r\r\rvoid chanrec::SetModeParam(char mode,const char* parameter,bool mode_on)
\r{
\r CustomModeList::iterator n = custom_mode_params.find(mode);
\r\r if (mode_on)
\r {
\r if (n == custom_mode_params.end())
\r custom_mode_params[mode] = strdup(parameter);
\r }
\r else
\r {
\r if (n != custom_mode_params.end())
\r {
\r free(n->second);
\r custom_mode_params.erase(n);
\r }
\r }
\r}
\r\rbool chanrec::IsModeSet(char mode)
\r{
\r return modes[mode-65];
\r}
\r\rstd::string chanrec::GetModeParameter(char mode)
\r{
\r switch (mode)
\r {
\r case 'k':
\r return this->key;
\r case 'l':
\r return ConvToStr(this->limit);
\r default:
\r CustomModeList::iterator n = custom_mode_params.find(mode);
\r if (n != custom_mode_params.end())
\r return n->second;
\r return "";
\r break;
\r }
\r}
\r\rlong chanrec::GetUserCounter()
\r{
\r return (this->internal_userlist.size());
\r}
\r\rvoid chanrec::AddUser(userrec* user)
\r{
\r internal_userlist[user] = user->nick;
\r}
\r\runsigned long chanrec::DelUser(userrec* user)
\r{
\r CUListIter a = internal_userlist.find(user);
\r \r if (a != internal_userlist.end())
\r {
\r internal_userlist.erase(a);
\r /* And tidy any others... */
\r DelOppedUser(user);
\r DelHalfoppedUser(user);
\r DelVoicedUser(user);
\r }
\r \r return internal_userlist.size();
\r}
\r\rbool chanrec::HasUser(userrec* user)
\r{
\r return (internal_userlist.find(user) != internal_userlist.end());
\r}
\r\rvoid chanrec::AddOppedUser(userrec* user)
\r{
\r internal_op_userlist[user] = user->nick;
\r}
\r\rvoid chanrec::DelOppedUser(userrec* user)
\r{
\r CUListIter a = internal_op_userlist.find(user);
\r if (a != internal_op_userlist.end())
\r {
\r internal_op_userlist.erase(a);
\r return;
\r }
\r}
\r\rvoid chanrec::AddHalfoppedUser(userrec* user)
\r{
\r internal_halfop_userlist[user] = user->nick;
\r}
\r\rvoid chanrec::DelHalfoppedUser(userrec* user)
\r{
\r CUListIter a = internal_halfop_userlist.find(user);
\r\r if (a != internal_halfop_userlist.end())
\r {
\r internal_halfop_userlist.erase(a);
\r }
\r}
\r\rvoid chanrec::AddVoicedUser(userrec* user)
\r{
\r internal_voice_userlist[user] = user->nick;
\r}
\r\rvoid chanrec::DelVoicedUser(userrec* user)
\r{
\r CUListIter a = internal_voice_userlist.find(user);
\r \r if (a != internal_voice_userlist.end())
\r {
\r internal_voice_userlist.erase(a);
\r }
\r}
\r\rCUList* chanrec::GetUsers()
\r{
\r return &internal_userlist;
\r}
\r\rCUList* chanrec::GetOppedUsers()
\r{
\r return &internal_op_userlist;
\r}
\r\rCUList* chanrec::GetHalfoppedUsers()
\r{
\r return &internal_halfop_userlist;
\r}
\r\rCUList* chanrec::GetVoicedUsers()
\r{
\r return &internal_voice_userlist;
\r}
\r\rvoid chanrec::SetDefaultModes()
\r{
\r irc::spacesepstream list(ServerInstance->Config->DefaultModes);
\r std::string modeseq = list.GetToken();
\r std::string parameter;
\r userrec* dummyuser = new userrec(ServerInstance);
\r dummyuser->SetFd(FD_MAGIC_NUMBER);
\r\r for (std::string::iterator n = modeseq.begin(); n != modeseq.end(); ++n)
\r {
\r ModeHandler* mode = ServerInstance->Modes->FindMode(*n, MODETYPE_CHANNEL);
\r if (mode)
\r {
\r if (mode->GetNumParams(true))
\r parameter = list.GetToken().c_str();
\r else
\r parameter.clear();
\r\r mode->OnModeChange(dummyuser, dummyuser, this, parameter, true);
\r }
\r }
\r\r delete dummyuser;
\r}
\r\r/*
\r * add a channel to a user, creating the record for it if needed and linking
\r * it to the user record
\r */
\rchanrec* chanrec::JoinUser(InspIRCd* Instance, userrec *user, const char* cn, bool override, const char* key, time_t TS)
\r{
\r if (!user || !cn)
\r return NULL;
\r\r bool new_channel = false;
\r char cname[MAXBUF];
\r int MOD_RESULT = 0;
\r strlcpy(cname,cn,CHANMAX);
\r\r std::string privs;
\r\r chanrec* Ptr = Instance->FindChan(cname);
\r\r if (!Ptr)
\r {
\r if ((!IS_LOCAL(user)) && (!TS))
\r Instance->Log(DEBUG,"*** BUG *** chanrec::JoinUser called for REMOTE user '%s' on channel '%s' but no TS given!", user->nick, cn);
\r\r privs = "@";
\r\r if (IS_LOCAL(user) && override == false)
\r {
\r MOD_RESULT = 0;
\r FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,NULL,cname,privs));
\r if (MOD_RESULT == 1)
\r return NULL;
\r }
\r\r /* create a new one */
\r Ptr = new chanrec(Instance);
\r (*(Instance->chanlist))[cname] = Ptr;
\r\r strlcpy(Ptr->name, cname,CHANMAX);
\r\r /* As spotted by jilles, dont bother to set this on remote users */
\r if (IS_LOCAL(user))
\r Ptr->SetDefaultModes();
\r\r Ptr->created = TS ? TS : Instance->Time();
\r Ptr->age = Ptr->created;
\r *Ptr->topic = 0;
\r *Ptr->setby = 0;
\r Ptr->topicset = 0;
\r new_channel = true;
\r }
\r else
\r {
\r /* Already on the channel */
\r if (Ptr->HasUser(user))
\r return NULL;
\r\r /*
\r * remote users are allowed us to bypass channel modes
\r * and bans (used by servers)
\r */
\r if (IS_LOCAL(user) && override == false)
\r {
\r MOD_RESULT = 0;
\r FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,Ptr,cname,privs));
\r if (MOD_RESULT == 1)
\r {
\r return NULL;
\r }
\r else if (MOD_RESULT == 0)
\r {
\r if (*Ptr->key)
\r {
\r MOD_RESULT = 0;
\r FOREACH_RESULT_I(Instance,I_OnCheckKey,OnCheckKey(user, Ptr, key ? key : ""));
\r if (!MOD_RESULT)
\r {
\r if ((!key) || strcmp(key,Ptr->key))
\r {
\r user->WriteServ("475 %s %s :Cannot join channel (Incorrect channel key)",user->nick, Ptr->name);
\r return NULL;
\r }
\r }
\r }
\r if (Ptr->modes[CM_INVITEONLY])
\r {
\r MOD_RESULT = 0;
\r FOREACH_RESULT_I(Instance,I_OnCheckInvite,OnCheckInvite(user, Ptr));
\r if (!MOD_RESULT)
\r {
\r if (user->IsInvited(Ptr->name))
\r {
\r /* user was invited to channel */
\r /* there may be an optional channel NOTICE here */
\r }
\r else
\r {
\r user->WriteServ("473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
\r return NULL;
\r }
\r }
\r user->RemoveInvite(Ptr->name);
\r }
\r if (Ptr->limit)
\r {
\r MOD_RESULT = 0;
\r FOREACH_RESULT_I(Instance,I_OnCheckLimit,OnCheckLimit(user, Ptr));
\r if (!MOD_RESULT)
\r {
\r if (Ptr->GetUserCounter() >= Ptr->limit)
\r {
\r user->WriteServ("471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
\r return NULL;
\r }
\r }
\r }
\r if (Ptr->bans.size())
\r {
\r if (Ptr->IsBanned(user))
\r {
\r user->WriteServ("474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
\r return NULL;
\r }
\r }
\r }
\r }
\r }
\r\r /* NOTE: If the user is an oper here, we can extend their user->chans by up to
\r * OperMaxchans. For remote users which are not bound by the channel limits,
\r * we can extend infinitely. Otherwise, nope, youre restricted to MaxChans.
\r */
\r if (!IS_LOCAL(user) || override == true)
\r {
\r return chanrec::ForceChan(Instance, Ptr, user, privs);
\r }
\r else if (IS_OPER(user))
\r {
\r /* Oper allows extension up to the OperMaxchans value */
\r if (user->chans.size() < Instance->Config->OperMaxChans)
\r {
\r return chanrec::ForceChan(Instance, Ptr, user, privs);
\r }
\r }
\r else if (user->chans.size() < Instance->Config->MaxChans)
\r {
\r return chanrec::ForceChan(Instance, Ptr, user, privs);
\r }
\r\r\r user->WriteServ("405 %s %s :You are on too many channels",user->nick, cname);
\r\r if (new_channel)
\r {
\r /* Things went seriously pear shaped, so take this away. bwahaha. */
\r chan_hash::iterator n = Instance->chanlist->find(cname);
\r if (n != Instance->chanlist->end())
\r {
\r Ptr->DelUser(user);
\r DELETE(Ptr);
\r Instance->chanlist->erase(n);
\r }
\r }
\r\r return NULL;
\r}
\r\rchanrec* chanrec::ForceChan(InspIRCd* Instance, chanrec* Ptr, userrec* user, const std::string &privs)
\r{
\r userrec* dummyuser = new userrec(Instance);
\r std::string nick = user->nick;
\r bool silent = false;
\r\r dummyuser->SetFd(FD_MAGIC_NUMBER);
\r Ptr->AddUser(user);
\r\r /* Just in case they have no permissions */
\r user->chans[Ptr] = 0;
\r\r for (std::string::const_iterator x = privs.begin(); x != privs.end(); x++)
\r {
\r const char status = *x;
\r ModeHandler* mh = Instance->Modes->FindPrefix(status);
\r if (mh)
\r {
\r Ptr->SetPrefix(user, status, mh->GetPrefixRank(), true);
\r /* Make sure that the mode handler knows this mode was now set */
\r mh->OnModeChange(dummyuser, dummyuser, Ptr, nick, true);
\r\r switch (mh->GetPrefix())
\r {
\r /* These logic ops are SAFE IN THIS CASE
\r * because if the entry doesnt exist,
\r * addressing operator[] creates it.
\r * If they do exist, it points to it.
\r * At all other times where we dont want
\r * to create an item if it doesnt exist, we
\r * must stick to ::find().
\r */
\r case '@':
\r user->chans[Ptr] |= UCMODE_OP;
\r break;
\r case '%':
\r user->chans[Ptr] |= UCMODE_HOP;
\r break;
\r case '+':
\r user->chans[Ptr] |= UCMODE_VOICE;
\r break;
\r }
\r }
\r }
\r\r delete dummyuser;
\r\r FOREACH_MOD_I(Instance,I_OnUserJoin,OnUserJoin(user, Ptr, silent));
\r\r if (!silent)
\r Ptr->WriteChannel(user,"JOIN :%s",Ptr->name);
\r\r /* Theyre not the first ones in here, make sure everyone else sees the modes we gave the user */
\r std::string ms = Instance->Modes->ModeString(user, Ptr);
\r if ((Ptr->GetUserCounter() > 1) && (ms.length()))
\r Ptr->WriteAllExceptSender(user, true, 0, "MODE %s +%s", Ptr->name, ms.c_str());
\r\r /* Major improvement by Brain - we dont need to be calculating all this pointlessly for remote users */
\r if (IS_LOCAL(user))
\r {
\r if (Ptr->topicset)
\r {
\r user->WriteServ("332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
\r user->WriteServ("333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
\r }
\r Ptr->UserList(user);
\r }
\r FOREACH_MOD_I(Instance,I_OnPostJoin,OnPostJoin(user, Ptr));
\r return Ptr;
\r}
\r\rbool chanrec::IsBanned(userrec* user)
\r{
\r char mask[MAXBUF];
\r int MOD_RESULT = 0;
\r FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, this));
\r if (!MOD_RESULT)
\r {
\r snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString());
\r for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++)
\r {
\r /* This allows CIDR ban matching
\r *
\r * Full masked host Full unmasked host IP with/without CIDR
\r */
\r if ((match(user->GetFullHost(),i->data)) || (match(user->GetFullRealHost(),i->data)) || (match(mask, i->data, true)))
\r {
\r return true;
\r }
\r }
\r }
\r return false;
\r}
\r\r/* chanrec::PartUser
\r * remove a channel from a users record, and return the number of users left.
\r * Therefore, if this function returns 0 the caller should delete the chanrec.
\r */
\rlong chanrec::PartUser(userrec *user, const char* reason)
\r{
\r bool silent = false;
\r\r if (!user)
\r return this->GetUserCounter();
\r\r UCListIter i = user->chans.find(this);
\r if (i != user->chans.end())
\r {
\r FOREACH_MOD(I_OnUserPart,OnUserPart(user, this, reason ? reason : "", silent));
\r\r if (!silent)
\r this->WriteChannel(user, "PART %s%s%s", this->name, reason ? " :" : "", reason ? reason : "");
\r\r user->chans.erase(i);
\r this->RemoveAllPrefixes(user);
\r }
\r\r if (!this->DelUser(user)) /* if there are no users left on the channel... */
\r {
\r chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);
\r /* kill the record */
\r if (iter != ServerInstance->chanlist->end())
\r {
\r FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
\r ServerInstance->chanlist->erase(iter);
\r }
\r return 0;
\r }
\r\r return this->GetUserCounter();
\r}
\r\rlong chanrec::ServerKickUser(userrec* user, const char* reason, bool triggerevents)
\r{
\r bool silent = false;
\r\r if (!user || !reason)
\r return this->GetUserCounter();
\r\r if (IS_LOCAL(user))
\r {
\r if (!this->HasUser(user))
\r {
\r /* Not on channel */
\r return this->GetUserCounter();
\r }
\r }
\r\r if (triggerevents)
\r {
\r FOREACH_MOD(I_OnUserKick,OnUserKick(NULL, user, this, reason, silent));
\r }
\r\r UCListIter i = user->chans.find(this);
\r if (i != user->chans.end())
\r {
\r if (!silent)
\r this->WriteChannelWithServ(ServerInstance->Config->ServerName, "KICK %s %s :%s", this->name, user->nick, reason);
\r\r user->chans.erase(i);
\r this->RemoveAllPrefixes(user);
\r }
\r\r if (!this->DelUser(user))
\r {
\r chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);
\r /* kill the record */
\r if (iter != ServerInstance->chanlist->end())
\r {
\r FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
\r ServerInstance->chanlist->erase(iter);
\r }
\r return 0;
\r }
\r\r return this->GetUserCounter();
\r}
\r\rlong chanrec::KickUser(userrec *src, userrec *user, const char* reason)
\r{
\r bool silent = false;
\r\r if (!src || !user || !reason)
\r return this->GetUserCounter();
\r\r if (IS_LOCAL(src))
\r {
\r if (!this->HasUser(user))
\r {
\r src->WriteServ("441 %s %s %s :They are not on that channel",src->nick, user->nick, this->name);
\r return this->GetUserCounter();
\r }
\r if ((ServerInstance->ULine(user->server)) && (!ServerInstance->ULine(src->server)))
\r {
\r src->WriteServ("482 %s %s :Only a u-line may kick a u-line from a channel.",src->nick, this->name);
\r return this->GetUserCounter();
\r }
\r int MOD_RESULT = 0;
\r\r if (!ServerInstance->ULine(src->server))
\r {
\r MOD_RESULT = 0;
\r FOREACH_RESULT(I_OnUserPreKick,OnUserPreKick(src,user,this,reason));
\r if (MOD_RESULT == 1)
\r return this->GetUserCounter();
\r }
\r /* Set to -1 by OnUserPreKick if explicit allow was set */
\r if (MOD_RESULT != -1)
\r {
\r FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(src,user,this,AC_KICK));
\r if ((MOD_RESULT == ACR_DENY) && (!ServerInstance->ULine(src->server)))
\r return this->GetUserCounter();
\r \r if ((MOD_RESULT == ACR_DEFAULT) || (!ServerInstance->ULine(src->server)))
\r {
\r int them = this->GetStatus(src);
\r int us = this->GetStatus(user);
\r if ((them < STATUS_HOP) || (them < us))
\r {
\r src->WriteServ("482 %s %s :You must be a channel %soperator",src->nick, this->name, them == STATUS_HOP ? "" : "half-");
\r return this->GetUserCounter();
\r }
\r }
\r }
\r }
\r\r FOREACH_MOD(I_OnUserKick,OnUserKick(src, user, this, reason, silent));
\r\r UCListIter i = user->chans.find(this);
\r if (i != user->chans.end())
\r {
\r /* zap it from the channel list of the user */
\r if (!silent)
\r this->WriteChannel(src, "KICK %s %s :%s", this->name, user->nick, reason);
\r\r user->chans.erase(i);
\r this->RemoveAllPrefixes(user);
\r }
\r\r if (!this->DelUser(user))
\r /* if there are no users left on the channel */
\r {
\r chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);
\r\r /* kill the record */
\r if (iter != ServerInstance->chanlist->end())
\r {
\r FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
\r ServerInstance->chanlist->erase(iter);
\r }
\r return 0;
\r }
\r\r return this->GetUserCounter();
\r}
\r\rvoid chanrec::WriteChannel(userrec* user, char* text, ...)
\r{
\r char textbuffer[MAXBUF];
\r va_list argsPtr;
\r\r if (!user || !text)
\r return;
\r\r va_start(argsPtr, text);
\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);
\r va_end(argsPtr);
\r\r this->WriteChannel(user, std::string(textbuffer));
\r}
\r\rvoid chanrec::WriteChannel(userrec* user, const std::string &text)
\r{
\r CUList *ulist = this->GetUsers();
\r char tb[MAXBUF];
\r\r if (!user)
\r return;
\r\r snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
\r std::string out = tb;
\r\r for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
\r {
\r if (IS_LOCAL(i->first))
\r i->first->Write(out);
\r }
\r}
\r\rvoid chanrec::WriteChannelWithServ(const char* ServName, const char* text, ...)
\r{
\r char textbuffer[MAXBUF];
\r va_list argsPtr;
\r\r if (!text)
\r return;
\r\r va_start(argsPtr, text);
\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);
\r va_end(argsPtr);
\r\r this->WriteChannelWithServ(ServName, std::string(textbuffer));
\r}
\r\rvoid chanrec::WriteChannelWithServ(const char* ServName, const std::string &text)
\r{
\r CUList *ulist = this->GetUsers();
\r char tb[MAXBUF];
\r\r snprintf(tb,MAXBUF,":%s %s",ServName ? ServName : ServerInstance->Config->ServerName, text.c_str());
\r std::string out = tb;
\r\r for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
\r {
\r if (IS_LOCAL(i->first))
\r i->first->Write(out);
\r }
\r}
\r\r/* write formatted text from a source user to all users on a channel except
\r * for the sender (for privmsg etc) */
\rvoid chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, char* text, ...)
\r{
\r char textbuffer[MAXBUF];
\r va_list argsPtr;
\r\r if (!text)
\r return;
\r\r va_start(argsPtr, text);
\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);
\r va_end(argsPtr);
\r\r this->WriteAllExceptSender(user, serversource, status, std::string(textbuffer));
\r}
\r\rvoid chanrec::WriteAllExcept(userrec* user, bool serversource, char status, CUList &except_list, char* text, ...)
\r{
\r char textbuffer[MAXBUF];
\r va_list argsPtr;
\r\r if (!text)
\r return;
\r\r va_start(argsPtr, text);
\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);
\r va_end(argsPtr);
\r\r this->WriteAllExcept(user, serversource, status, except_list, std::string(textbuffer));
\r}
\r\rvoid chanrec::WriteAllExcept(userrec* user, bool serversource, char status, CUList &except_list, const std::string &text)
\r{
\r CUList *ulist;
\r char tb[MAXBUF];
\r\r switch (status)
\r {
\r case '@':
\r ulist = this->GetOppedUsers();
\r break;
\r case '%':
\r ulist = this->GetHalfoppedUsers();
\r break;
\r case '+':
\r ulist = this->GetVoicedUsers();
\r break;
\r default:
\r ulist = this->GetUsers();
\r break;
\r }
\r\r snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
\r std::string out = tb;
\r\r for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
\r {
\r if ((IS_LOCAL(i->first)) && (except_list.find(i->first) == except_list.end()))
\r {
\r if (serversource)
\r i->first->WriteServ(text);
\r else
\r i->first->Write(out);
\r }
\r }
\r}
\r\rvoid chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, const std::string& text)
\r{
\r CUList except_list;
\r except_list[user] = user->nick;
\r this->WriteAllExcept(user, serversource, status, except_list, std::string(text));
\r}
\r\r/*
\r * return a count of the users on a specific channel accounting for
\r * invisible users who won't increase the count. e.g. for /LIST
\r */
\rint chanrec::CountInvisible()
\r{
\r int count = 0;
\r CUList *ulist= this->GetUsers();
\r for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
\r {
\r if (!(i->first->IsModeSet('i')))
\r count++;
\r }
\r\r return count;
\r}
\r\rchar* chanrec::ChanModes(bool showkey)
\r{
\r static char scratch[MAXBUF];
\r static char sparam[MAXBUF];
\r char* offset = scratch;
\r std::string extparam;
\r\r *scratch = '\0';
\r *sparam = '\0';
\r\r /* This was still iterating up to 190, chanrec::modes is only 64 elements -- Om */
\r for(int n = 0; n < 64; n++)
\r {
\r if(this->modes[n])
\r {
\r *offset++ = n + 65;
\r extparam.clear();
\r switch (n)
\r {
\r case CM_KEY:
\r extparam = (showkey ? this->key : "<key>");
\r break;
\r case CM_LIMIT:
\r extparam = ConvToStr(this->limit);
\r break;
\r case CM_NOEXTERNAL:
\r case CM_TOPICLOCK:
\r case CM_INVITEONLY:
\r case CM_MODERATED:
\r case CM_SECRET:
\r case CM_PRIVATE:
\r /* We know these have no parameters */
\r break;
\r default:
\r extparam = this->GetModeParameter(n + 65);
\r break;
\r }
\r if (!extparam.empty())
\r {
\r charlcat(sparam,' ',MAXBUF);
\r strlcat(sparam,extparam.c_str(),MAXBUF);
\r }
\r }
\r }
\r\r /* Null terminate scratch */
\r *offset = '\0';
\r strlcat(scratch,sparam,MAXBUF);
\r return scratch;
\r}
\r\r/* compile a userlist of a channel into a string, each nick seperated by
\r * spaces and op, voice etc status shown as @ and +, and send it to 'user'
\r */
\rvoid chanrec::UserList(userrec *user, CUList *ulist)
\r{
\r char list[MAXBUF];
\r size_t dlen, curlen;
\r int MOD_RESULT = 0;
\r\r if (!IS_LOCAL(user))
\r return;
\r\r FOREACH_RESULT(I_OnUserList,OnUserList(user, this, ulist));
\r if (MOD_RESULT == 1)
\r return;
\r\r dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name);
\r\r int numusers = 0;
\r char* ptr = list + dlen;
\r\r if (!ulist)
\r ulist = this->GetUsers();
\r\r /* Improvement by Brain - this doesnt change in value, so why was it inside
\r * the loop?
\r */
\r bool has_user = this->HasUser(user);
\r\r for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
\r {
\r if ((!has_user) && (i->first->modes[UM_INVISIBLE]))
\r {
\r /*
\r * user is +i, and source not on the channel, does not show
\r * nick in NAMES list
\r */
\r continue;
\r }
\r\r if (i->first->Visibility && !i->first->Visibility->VisibleTo(user))
\r continue;
\r\r size_t ptrlen = snprintf(ptr, MAXBUF, "%s%s ", this->GetPrefixChar(i->first), i->second.c_str());
\r /* OnUserList can change this - reset it back to normal */
\r i->second = i->first->nick;
\r\r curlen += ptrlen;
\r ptr += ptrlen;
\r\r numusers++;
\r\r if (curlen > (480-NICKMAX))
\r {
\r /* list overflowed into multiple numerics */
\r user->WriteServ(std::string(list));
\r\r /* reset our lengths */
\r dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name);
\r ptr = list + dlen;
\r\r ptrlen = 0;
\r numusers = 0;
\r }
\r }
\r\r /* if whats left in the list isnt empty, send it */
\r if (numusers)
\r {
\r user->WriteServ(std::string(list));
\r }
\r\r user->WriteServ("366 %s %s :End of /NAMES list.", user->nick, this->name);
\r}
\r\rlong chanrec::GetMaxBans()
\r{
\r /* Return the cached value if there is one */
\r if (this->maxbans)
\r return this->maxbans;
\r\r /* If there isnt one, we have to do some O(n) hax to find it the first time. (ick) */
\r for (std::map<std::string,int>::iterator n = ServerInstance->Config->maxbans.begin(); n != ServerInstance->Config->maxbans.end(); n++)
\r {
\r if (match(this->name,n->first.c_str()))
\r {
\r this->maxbans = n->second;
\r return n->second;
\r }
\r }
\r\r /* Screw it, just return the default of 64 */
\r this->maxbans = 64;
\r return this->maxbans;
\r}
\r\rvoid chanrec::ResetMaxBans()
\r{
\r this->maxbans = 0;
\r}
\r\r/* returns the status character for a given user on a channel, e.g. @ for op,
\r * % for halfop etc. If the user has several modes set, the highest mode
\r * the user has must be returned.
\r */
\rconst char* chanrec::GetPrefixChar(userrec *user)
\r{
\r static char pf[2] = {0, 0};
\r \r prefixlist::iterator n = prefixes.find(user);
\r if (n != prefixes.end())
\r {
\r if (n->second.size())
\r {
\r /* If the user has any prefixes, their highest prefix
\r * will always be at the head of the list, as the list is
\r * sorted in rank order highest first (see SetPrefix()
\r * for reasons why)
\r */
\r *pf = n->second.begin()->first;
\r return pf;
\r }
\r }
\r\r *pf = 0;
\r return pf;
\r}
\r\rconst char* chanrec::GetAllPrefixChars(userrec* user)
\r{
\r static char prefix[MAXBUF];
\r int ctr = 0;
\r *prefix = 0;
\r\r prefixlist::iterator n = prefixes.find(user);
\r if (n != prefixes.end())
\r {
\r for (std::vector<prefixtype>::iterator x = n->second.begin(); x != n->second.end(); x++)
\r {
\r prefix[ctr++] = x->first;
\r }
\r }
\r\r prefix[ctr] = 0;
\r\r return prefix;
\r}
\r\runsigned int chanrec::GetPrefixValue(userrec* user)
\r{
\r prefixlist::iterator n = prefixes.find(user);
\r if (n != prefixes.end())
\r {
\r if (n->second.size())
\r return n->second.begin()->second;
\r }
\r return 0;
\r}
\r\rint chanrec::GetStatusFlags(userrec *user)
\r{
\r UCListIter i = user->chans.find(this);
\r if (i != user->chans.end())
\r {
\r return i->second;
\r }
\r return 0;
\r}
\r\rint chanrec::GetStatus(userrec *user)
\r{
\r if (ServerInstance->ULine(user->server))
\r return STATUS_OP;
\r\r UCListIter i = user->chans.find(this);
\r if (i != user->chans.end())
\r {
\r if ((i->second & UCMODE_OP) > 0)
\r {
\r return STATUS_OP;
\r }
\r if ((i->second & UCMODE_HOP) > 0)
\r {
\r return STATUS_HOP;
\r }
\r if ((i->second & UCMODE_VOICE) > 0)
\r {
\r return STATUS_VOICE;
\r }
\r return STATUS_NORMAL;
\r }
\r return STATUS_NORMAL;
\r}
\r\rvoid chanrec::SetPrefix(userrec* user, char prefix, unsigned int prefix_value, bool adding)
\r{
\r prefixlist::iterator n = prefixes.find(user);
\r prefixtype pfx = std::make_pair(prefix,prefix_value);
\r if (adding)
\r {
\r if (n != prefixes.end())
\r {
\r if (std::find(n->second.begin(), n->second.end(), pfx) == n->second.end())
\r {
\r n->second.push_back(pfx);
\r /* We must keep prefixes in rank order, largest first.
\r * This is for two reasons, firstly because x-chat *ass-u-me's* this
\r * state, and secondly it turns out to be a benefit to us later.
\r * See above in GetPrefix().
\r */
\r std::sort(n->second.begin(), n->second.end(), ModeParser::PrefixComparison);
\r }
\r }
\r else
\r {
\r pfxcontainer one;
\r one.push_back(pfx);
\r prefixes.insert(std::make_pair<userrec*,pfxcontainer>(user, one));
\r }
\r }
\r else
\r {
\r if (n != prefixes.end())
\r {
\r pfxcontainer::iterator x = std::find(n->second.begin(), n->second.end(), pfx);
\r if (x != n->second.end())
\r n->second.erase(x);
\r }
\r }
\r}
\r\rvoid chanrec::RemoveAllPrefixes(userrec* user)
\r{
\r prefixlist::iterator n = prefixes.find(user);
\r if (n != prefixes.end())
\r {
\r prefixes.erase(n);
\r }
\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) 2006, 2008 Oliver Lupton <oliverlupton@gmail.com>
+ * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
+ * Copyright (C) 2003-2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.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/>.
+ */
+
+
+/* $Core */
+
+#include "inspircd.h"
+#include <cstdarg>
+#include "mode.h"
+
+Channel::Channel(const std::string &cname, time_t ts)
+{
+ if (!ServerInstance->chanlist->insert(std::make_pair(cname, this)).second)
+ throw CoreException("Cannot create duplicate channel " + cname);
+
+ this->name = cname;
+ this->age = ts ? ts : ServerInstance->Time();
+
+ maxbans = topicset = 0;
+ modes.reset();
+}
+
+void Channel::SetMode(char mode,bool mode_on)
+{
+ modes[mode-65] = mode_on;
+}
+
+void Channel::SetMode(ModeHandler* mh, bool on)
+{
+ modes[mh->GetModeChar() - 65] = on;
+}
+
+void Channel::SetModeParam(char mode, const std::string& parameter)
+{
+ CustomModeList::iterator n = custom_mode_params.find(mode);
+ // always erase, even if changing, so that the map gets the new value
+ if (n != custom_mode_params.end())
+ custom_mode_params.erase(n);
+ if (parameter.empty())
+ {
+ modes[mode-65] = false;
+ }
+ else
+ {
+ custom_mode_params[mode] = parameter;
+ modes[mode-65] = true;
+ }
+}
+
+void Channel::SetModeParam(ModeHandler* mode, const std::string& parameter)
+{
+ SetModeParam(mode->GetModeChar(), parameter);
+}
+
+std::string Channel::GetModeParameter(char mode)
+{
+ CustomModeList::iterator n = custom_mode_params.find(mode);
+ if (n != custom_mode_params.end())
+ return n->second;
+ return "";
+}
+
+std::string Channel::GetModeParameter(ModeHandler* mode)
+{
+ CustomModeList::iterator n = custom_mode_params.find(mode->GetModeChar());
+ if (n != custom_mode_params.end())
+ return n->second;
+ return "";
+}
+
+int Channel::SetTopic(User *u, std::string &ntopic, bool forceset)
+{
+ if (!u)
+ u = ServerInstance->FakeClient;
+ if (IS_LOCAL(u) && !forceset)
+ {
+ ModResult res;
+ FIRST_MOD_RESULT(OnPreTopicChange, res, (u,this,ntopic));
+
+ if (res == MOD_RES_DENY)
+ return CMD_FAILURE;
+ if (res != MOD_RES_ALLOW)
+ {
+ if (!this->HasUser(u))
+ {
+ u->WriteNumeric(442, "%s %s :You're not on that channel!",u->nick.c_str(), this->name.c_str());
+ return CMD_FAILURE;
+ }
+ if (IsModeSet('t') && !ServerInstance->OnCheckExemption(u,this,"topiclock").check(GetPrefixValue(u) >= HALFOP_VALUE))
+ {
+ u->WriteNumeric(482, "%s %s :You do not have access to change the topic on this channel", u->nick.c_str(), this->name.c_str());
+ return CMD_FAILURE;
+ }
+ }
+ }
+
+ this->topic.assign(ntopic, 0, ServerInstance->Config->Limits.MaxTopic);
+ this->setby.assign(ServerInstance->Config->FullHostInTopic ? u->GetFullHost() : u->nick, 0, 128);
+ this->WriteChannel(u, "TOPIC %s :%s", this->name.c_str(), this->topic.c_str());
+
+ this->topicset = ServerInstance->Time();
+
+ FOREACH_MOD(I_OnPostTopicChange,OnPostTopicChange(u, this, this->topic));
+
+ return CMD_SUCCESS;
+}
+
+long Channel::GetUserCounter()
+{
+ return userlist.size();
+}
+
+Membership* Channel::AddUser(User* user)
+{
+ Membership* memb = new Membership(user, this);
+ userlist[user] = memb;
+ return memb;
+}
+
+void Channel::DelUser(User* user)
+{
+ UserMembIter a = userlist.find(user);
+
+ if (a != userlist.end())
+ {
+ a->second->cull();
+ delete a->second;
+ userlist.erase(a);
+ }
+
+ if (userlist.empty())
+ {
+ ModResult res;
+ FIRST_MOD_RESULT(OnChannelPreDelete, res, (this));
+ if (res == MOD_RES_DENY)
+ return;
+ chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);
+ /* kill the record */
+ if (iter != ServerInstance->chanlist->end())
+ {
+ FOREACH_MOD(I_OnChannelDelete, OnChannelDelete(this));
+ ServerInstance->chanlist->erase(iter);
+ }
+
+ ClearInvites();
+ ServerInstance->GlobalCulls.AddItem(this);
+ }
+}
+
+bool Channel::HasUser(User* user)
+{
+ return (userlist.find(user) != userlist.end());
+}
+
+Membership* Channel::GetUser(User* user)
+{
+ UserMembIter i = userlist.find(user);
+ if (i == userlist.end())
+ return NULL;
+ return i->second;
+}
+
+const UserMembList* Channel::GetUsers()
+{
+ return &userlist;
+}
+
+void Channel::SetDefaultModes()
+{
+ ServerInstance->Logs->Log("CHANNELS", DEBUG, "SetDefaultModes %s",
+ ServerInstance->Config->DefaultModes.c_str());
+ irc::spacesepstream list(ServerInstance->Config->DefaultModes);
+ std::string modeseq;
+ std::string parameter;
+
+ list.GetToken(modeseq);
+
+ for (std::string::iterator n = modeseq.begin(); n != modeseq.end(); ++n)
+ {
+ ModeHandler* mode = ServerInstance->Modes->FindMode(*n, MODETYPE_CHANNEL);
+ if (mode)
+ {
+ if (mode->GetNumParams(true))
+ {
+ list.GetToken(parameter);
+ // If the parameter begins with a ':' then it's invalid
+ if (parameter.c_str()[0] == ':')
+ continue;
+ }
+ else
+ parameter.clear();
+
+ if ((mode->GetNumParams(true)) && (parameter.empty()))
+ continue;
+
+ mode->OnModeChange(ServerInstance->FakeClient, ServerInstance->FakeClient, this, parameter, true);
+ }
+ }
+}
+
+/*
+ * add a channel to a user, creating the record for it if needed and linking
+ * it to the user record
+ */
+Channel* Channel::JoinUser(User *user, const char* cn, bool override, const char* key, bool bursting, time_t TS)
+{
+ // Fix: unregistered users could be joined using /SAJOIN
+ if (!user || !cn || user->registered != REG_ALL)
+ return NULL;
+
+ std::string privs;
+ Channel *Ptr;
+
+ /*
+ * We don't restrict the number of channels that remote users or users that are override-joining may be in.
+ * We restrict local users to MaxChans channels.
+ * We restrict local operators to OperMaxChans channels.
+ * This is a lot more logical than how it was formerly. -- w00t
+ */
+ if (IS_LOCAL(user) && !override)
+ {
+ if (user->HasPrivPermission("channels/high-join-limit"))
+ {
+ if (user->chans.size() >= ServerInstance->Config->OperMaxChans)
+ {
+ user->WriteNumeric(ERR_TOOMANYCHANNELS, "%s %s :You are on too many channels",user->nick.c_str(), cn);
+ return NULL;
+ }
+ }
+ else
+ {
+ unsigned int maxchans = user->GetClass()->maxchans;
+ if (!maxchans)
+ maxchans = ServerInstance->Config->MaxChans;
+ if (user->chans.size() >= maxchans)
+ {
+ user->WriteNumeric(ERR_TOOMANYCHANNELS, "%s %s :You are on too many channels",user->nick.c_str(), cn);
+ return NULL;
+ }
+ }
+ }
+
+ std::string cname;
+ cname.assign(std::string(cn), 0, ServerInstance->Config->Limits.ChanMax);
+ Ptr = ServerInstance->FindChan(cname);
+ bool created_by_local = false;
+
+ if (!Ptr)
+ {
+ /*
+ * Fix: desync bug was here, don't set @ on remote users - spanningtree handles their permissions. bug #358. -- w00t
+ */
+ if (!IS_LOCAL(user))
+ {
+ if (!TS)
+ ServerInstance->Logs->Log("CHANNELS",DEBUG,"*** BUG *** Channel::JoinUser called for REMOTE user '%s' on channel '%s' but no TS given!", user->nick.c_str(), cn);
+ }
+ else
+ {
+ privs = "o";
+ created_by_local = true;
+ }
+
+ if (IS_LOCAL(user) && override == false)
+ {
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(OnUserPreJoin, MOD_RESULT, (user, NULL, cname.c_str(), privs, key ? key : ""));
+ if (MOD_RESULT == MOD_RES_DENY)
+ return NULL;
+ }
+
+ Ptr = new Channel(cname, TS);
+ }
+ else
+ {
+ /* Already on the channel */
+ if (Ptr->HasUser(user))
+ return NULL;
+
+ /*
+ * remote users are allowed us to bypass channel modes
+ * and bans (used by servers)
+ */
+ if (IS_LOCAL(user) && override == false)
+ {
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(OnUserPreJoin, MOD_RESULT, (user, Ptr, cname.c_str(), privs, key ? key : ""));
+ if (MOD_RESULT == MOD_RES_DENY)
+ {
+ return NULL;
+ }
+ else if (MOD_RESULT == MOD_RES_PASSTHRU)
+ {
+ std::string ckey = Ptr->GetModeParameter('k');
+ bool invited = IS_LOCAL(user)->IsInvited(Ptr->name.c_str());
+ bool can_bypass = ServerInstance->Config->InvBypassModes && invited;
+
+ if (!ckey.empty())
+ {
+ FIRST_MOD_RESULT(OnCheckKey, MOD_RESULT, (user, Ptr, key ? key : ""));
+ if (!MOD_RESULT.check((key && ckey == key) || can_bypass))
+ {
+ // If no key provided, or key is not the right one, and can't bypass +k (not invited or option not enabled)
+ user->WriteNumeric(ERR_BADCHANNELKEY, "%s %s :Cannot join channel (Incorrect channel key)",user->nick.c_str(), Ptr->name.c_str());
+ return NULL;
+ }
+ }
+
+ if (Ptr->IsModeSet('i'))
+ {
+ FIRST_MOD_RESULT(OnCheckInvite, MOD_RESULT, (user, Ptr));
+ if (!MOD_RESULT.check(invited))
+ {
+ user->WriteNumeric(ERR_INVITEONLYCHAN, "%s %s :Cannot join channel (Invite only)",user->nick.c_str(), Ptr->name.c_str());
+ return NULL;
+ }
+ }
+
+ std::string limit = Ptr->GetModeParameter('l');
+ if (!limit.empty())
+ {
+ FIRST_MOD_RESULT(OnCheckLimit, MOD_RESULT, (user, Ptr));
+ if (!MOD_RESULT.check((Ptr->GetUserCounter() < atol(limit.c_str()) || can_bypass)))
+ {
+ user->WriteNumeric(ERR_CHANNELISFULL, "%s %s :Cannot join channel (Channel is full)",user->nick.c_str(), Ptr->name.c_str());
+ return NULL;
+ }
+ }
+
+ if (Ptr->IsBanned(user) && !can_bypass)
+ {
+ user->WriteNumeric(ERR_BANNEDFROMCHAN, "%s %s :Cannot join channel (You're banned)",user->nick.c_str(), Ptr->name.c_str());
+ return NULL;
+ }
+
+ /*
+ * If the user has invites for this channel, remove them now
+ * after a successful join so they don't build up.
+ */
+ if (invited)
+ {
+ IS_LOCAL(user)->RemoveInvite(Ptr->name.c_str());
+ }
+ }
+ }
+ }
+
+ if (created_by_local)
+ {
+ /* As spotted by jilles, dont bother to set this on remote users */
+ Ptr->SetDefaultModes();
+ }
+
+ return Channel::ForceChan(Ptr, user, privs, bursting, created_by_local);
+}
+
+Channel* Channel::ForceChan(Channel* Ptr, User* user, const std::string &privs, bool bursting, bool created)
+{
+ std::string nick = user->nick;
+
+ Membership* memb = Ptr->AddUser(user);
+ user->chans.insert(Ptr);
+
+ for (std::string::const_iterator x = privs.begin(); x != privs.end(); x++)
+ {
+ const char status = *x;
+ ModeHandler* mh = ServerInstance->Modes->FindMode(status, MODETYPE_CHANNEL);
+ if (mh)
+ {
+ /* Set, and make sure that the mode handler knows this mode was now set */
+ Ptr->SetPrefix(user, mh->GetModeChar(), true);
+ mh->OnModeChange(ServerInstance->FakeClient, ServerInstance->FakeClient, Ptr, nick, true);
+ }
+ }
+
+ CUList except_list;
+ FOREACH_MOD(I_OnUserJoin,OnUserJoin(memb, bursting, created, except_list));
+
+ Ptr->WriteAllExcept(user, false, 0, except_list, "JOIN :%s", Ptr->name.c_str());
+
+ /* Theyre not the first ones in here, make sure everyone else sees the modes we gave the user */
+ if ((Ptr->GetUserCounter() > 1) && (!memb->modes.empty()))
+ {
+ std::string ms = memb->modes;
+ for(unsigned int i=0; i < memb->modes.length(); i++)
+ ms.append(" ").append(user->nick);
+
+ except_list.insert(user);
+ Ptr->WriteAllExcept(user, !ServerInstance->Config->CycleHostsFromUser, 0, except_list, "MODE %s +%s", Ptr->name.c_str(), ms.c_str());
+ }
+
+ if (IS_LOCAL(user))
+ {
+ if (Ptr->topicset)
+ {
+ user->WriteNumeric(RPL_TOPIC, "%s %s :%s", user->nick.c_str(), Ptr->name.c_str(), Ptr->topic.c_str());
+ user->WriteNumeric(RPL_TOPICTIME, "%s %s %s %lu", user->nick.c_str(), Ptr->name.c_str(), Ptr->setby.c_str(), (unsigned long)Ptr->topicset);
+ }
+ Ptr->UserList(user);
+ }
+ FOREACH_MOD(I_OnPostJoin,OnPostJoin(memb));
+ return Ptr;
+}
+
+bool Channel::IsBanned(User* user)
+{
+ ModResult result;
+ FIRST_MOD_RESULT(OnCheckChannelBan, result, (user, this));
+
+ if (result != MOD_RES_PASSTHRU)
+ return (result == MOD_RES_DENY);
+
+ for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++)
+ {
+ if (CheckBan(user, i->data))
+ return true;
+ }
+ return false;
+}
+
+bool Channel::CheckBan(User* user, const std::string& mask)
+{
+ ModResult result;
+ FIRST_MOD_RESULT(OnCheckBan, result, (user, this, mask));
+ if (result != MOD_RES_PASSTHRU)
+ return (result == MOD_RES_DENY);
+
+ // extbans were handled above, if this is one it obviously didn't match
+ if ((mask.length() <= 2) || (mask[1] == ':'))
+ return false;
+
+ std::string::size_type at = mask.find('@');
+ if (at == std::string::npos)
+ return false;
+
+ char tomatch[MAXBUF];
+ snprintf(tomatch, MAXBUF, "%s!%s", user->nick.c_str(), user->ident.c_str());
+ std::string prefix = mask.substr(0, at);
+ if (InspIRCd::Match(tomatch, prefix, NULL))
+ {
+ std::string suffix = mask.substr(at + 1);
+ if (InspIRCd::Match(user->host, suffix, NULL) ||
+ InspIRCd::Match(user->dhost, suffix, NULL) ||
+ InspIRCd::MatchCIDR(user->GetIPString(), suffix, NULL))
+ return true;
+ }
+ return false;
+}
+
+ModResult Channel::GetExtBanStatus(User *user, char type)
+{
+ ModResult rv;
+ FIRST_MOD_RESULT(OnExtBanCheck, rv, (user, this, type));
+ if (rv != MOD_RES_PASSTHRU)
+ return rv;
+ for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++)
+ {
+ if (i->data[0] == type && i->data[1] == ':')
+ {
+ std::string val = i->data.substr(2);
+ if (CheckBan(user, val))
+ return MOD_RES_DENY;
+ }
+ }
+ return MOD_RES_PASSTHRU;
+}
+
+/* Channel::PartUser
+ * remove a channel from a users record, and return the number of users left.
+ * Therefore, if this function returns 0 the caller should delete the Channel.
+ */
+void Channel::PartUser(User *user, std::string &reason)
+{
+ if (!user)
+ return;
+
+ Membership* memb = GetUser(user);
+
+ if (memb)
+ {
+ CUList except_list;
+ FOREACH_MOD(I_OnUserPart,OnUserPart(memb, reason, except_list));
+
+ WriteAllExcept(user, false, 0, except_list, "PART %s%s%s", this->name.c_str(), reason.empty() ? "" : " :", reason.c_str());
+
+ user->chans.erase(this);
+ this->RemoveAllPrefixes(user);
+ }
+
+ this->DelUser(user);
+}
+
+void Channel::KickUser(User *src, User *user, const char* reason)
+{
+ if (!src || !user || !reason)
+ return;
+
+ Membership* memb = GetUser(user);
+ if (IS_LOCAL(src))
+ {
+ if (!memb)
+ {
+ src->WriteNumeric(ERR_USERNOTINCHANNEL, "%s %s %s :They are not on that channel",src->nick.c_str(), user->nick.c_str(), this->name.c_str());
+ return;
+ }
+ if ((ServerInstance->ULine(user->server)) && (!ServerInstance->ULine(src->server)))
+ {
+ src->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :Only a u-line may kick a u-line from a channel.",src->nick.c_str(), this->name.c_str());
+ return;
+ }
+
+ ModResult res;
+ if (ServerInstance->ULine(src->server))
+ res = MOD_RES_ALLOW;
+ else
+ FIRST_MOD_RESULT(OnUserPreKick, res, (src,memb,reason));
+
+ if (res == MOD_RES_DENY)
+ return;
+
+ if (res == MOD_RES_PASSTHRU)
+ {
+ unsigned int them = this->GetPrefixValue(src);
+ unsigned int req = HALFOP_VALUE;
+ for (std::string::size_type i = 0; i < memb->modes.length(); i++)
+ {
+ ModeHandler* mh = ServerInstance->Modes->FindMode(memb->modes[i], MODETYPE_CHANNEL);
+ if (mh && mh->GetLevelRequired() > req)
+ req = mh->GetLevelRequired();
+ }
+
+ if (them < req)
+ {
+ src->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must be a channel %soperator",
+ src->nick.c_str(), this->name.c_str(), req > HALFOP_VALUE ? "" : "half-");
+ return;
+ }
+ }
+ }
+
+ if (memb)
+ {
+ CUList except_list;
+ FOREACH_MOD(I_OnUserKick,OnUserKick(src, memb, reason, except_list));
+
+ WriteAllExcept(src, false, 0, except_list, "KICK %s %s :%s", name.c_str(), user->nick.c_str(), reason);
+
+ user->chans.erase(this);
+ this->RemoveAllPrefixes(user);
+ }
+
+ this->DelUser(user);
+}
+
+void Channel::WriteChannel(User* user, const char* text, ...)
+{
+ char textbuffer[MAXBUF];
+ va_list argsPtr;
+
+ if (!user || !text)
+ return;
+
+ va_start(argsPtr, text);
+ vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+ va_end(argsPtr);
+
+ this->WriteChannel(user, std::string(textbuffer));
+}
+
+void Channel::WriteChannel(User* user, const std::string &text)
+{
+ char tb[MAXBUF];
+
+ if (!user)
+ return;
+
+ snprintf(tb,MAXBUF,":%s %s", user->GetFullHost().c_str(), text.c_str());
+ std::string out = tb;
+
+ for (UserMembIter i = userlist.begin(); i != userlist.end(); i++)
+ {
+ if (IS_LOCAL(i->first))
+ i->first->Write(out);
+ }
+}
+
+void Channel::WriteChannelWithServ(const std::string& ServName, const char* text, ...)
+{
+ char textbuffer[MAXBUF];
+ va_list argsPtr;
+
+ if (!text)
+ return;
+
+ va_start(argsPtr, text);
+ vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+ va_end(argsPtr);
+
+ this->WriteChannelWithServ(ServName, std::string(textbuffer));
+}
+
+void Channel::WriteChannelWithServ(const std::string& ServName, const std::string &text)
+{
+ char tb[MAXBUF];
+
+ snprintf(tb,MAXBUF,":%s %s", ServName.empty() ? ServerInstance->Config->ServerName.c_str() : ServName.c_str(), text.c_str());
+ std::string out = tb;
+
+ for (UserMembIter i = userlist.begin(); i != userlist.end(); i++)
+ {
+ if (IS_LOCAL(i->first))
+ i->first->Write(out);
+ }
+}
+
+/* write formatted text from a source user to all users on a channel except
+ * for the sender (for privmsg etc) */
+void Channel::WriteAllExceptSender(User* user, bool serversource, char status, const char* text, ...)
+{
+ char textbuffer[MAXBUF];
+ va_list argsPtr;
+
+ if (!text)
+ return;
+
+ va_start(argsPtr, text);
+ vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+ va_end(argsPtr);
+
+ this->WriteAllExceptSender(user, serversource, status, std::string(textbuffer));
+}
+
+void Channel::WriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const char* text, ...)
+{
+ char textbuffer[MAXBUF];
+ va_list argsPtr;
+
+ if (!text)
+ return;
+
+ int offset = snprintf(textbuffer,MAXBUF,":%s ", serversource ? ServerInstance->Config->ServerName.c_str() : user->GetFullHost().c_str());
+
+ va_start(argsPtr, text);
+ vsnprintf(textbuffer + offset, MAXBUF - offset, text, argsPtr);
+ va_end(argsPtr);
+
+ this->RawWriteAllExcept(user, serversource, status, except_list, std::string(textbuffer));
+}
+
+void Channel::WriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const std::string &text)
+{
+ char tb[MAXBUF];
+
+ snprintf(tb,MAXBUF,":%s %s", serversource ? ServerInstance->Config->ServerName.c_str() : user->GetFullHost().c_str(), text.c_str());
+
+ this->RawWriteAllExcept(user, serversource, status, except_list, std::string(tb));
+}
+
+void Channel::RawWriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const std::string &out)
+{
+ unsigned int minrank = 0;
+ if (status)
+ {
+ ModeHandler* mh = ServerInstance->Modes->FindPrefix(status);
+ if (mh)
+ minrank = mh->GetPrefixRank();
+ }
+ for (UserMembIter i = userlist.begin(); i != userlist.end(); i++)
+ {
+ if (IS_LOCAL(i->first) && (except_list.find(i->first) == except_list.end()))
+ {
+ /* User doesn't have the status we're after */
+ if (minrank && i->second->getRank() < minrank)
+ continue;
+
+ i->first->Write(out);
+ }
+ }
+}
+
+void Channel::WriteAllExceptSender(User* user, bool serversource, char status, const std::string& text)
+{
+ CUList except_list;
+ except_list.insert(user);
+ this->WriteAllExcept(user, serversource, status, except_list, std::string(text));
+}
+
+/*
+ * 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 Channel::CountInvisible()
+{
+ int count = 0;
+ for (UserMembIter i = userlist.begin(); i != userlist.end(); i++)
+ {
+ if (!i->first->quitting && !i->first->IsModeSet('i'))
+ count++;
+ }
+
+ return count;
+}
+
+char* Channel::ChanModes(bool showkey)
+{
+ static char scratch[MAXBUF];
+ static char sparam[MAXBUF];
+ char* offset = scratch;
+ std::string extparam;
+
+ *scratch = '\0';
+ *sparam = '\0';
+
+ /* This was still iterating up to 190, Channel::modes is only 64 elements -- Om */
+ for(int n = 0; n < 64; n++)
+ {
+ if(this->modes[n])
+ {
+ *offset++ = n + 65;
+ extparam.clear();
+ if (n == 'k' - 65 && !showkey)
+ {
+ extparam = "<key>";
+ }
+ else
+ {
+ extparam = this->GetModeParameter(n + 65);
+ }
+ if (!extparam.empty())
+ {
+ 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 +, and send it to 'user'
+ */
+void Channel::UserList(User *user)
+{
+ if (!IS_LOCAL(user))
+ return;
+
+ bool has_privs = user->HasPrivPermission("channels/auspex");
+
+ if (this->IsModeSet('s') && !this->HasUser(user) && !has_privs)
+ {
+ user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), this->name.c_str());
+ return;
+ }
+
+ std::string list = user->nick;
+ list.push_back(' ');
+ list.push_back(this->IsModeSet('s') ? '@' : this->IsModeSet('p') ? '*' : '=');
+ list.push_back(' ');
+ list.append(this->name).append(" :");
+ std::string::size_type pos = list.size();
+
+ bool has_one = false;
+
+ /* Improvement by Brain - this doesnt change in value, so why was it inside
+ * the loop?
+ */
+ bool has_user = this->HasUser(user);
+
+ const size_t maxlen = MAXBUF - 10 - ServerInstance->Config->ServerName.size();
+ std::string prefixlist;
+ std::string nick;
+ for (UserMembIter i = userlist.begin(); i != userlist.end(); ++i)
+ {
+ if (i->first->quitting)
+ continue;
+ if ((!has_user) && (i->first->IsModeSet('i')) && (!has_privs))
+ {
+ /*
+ * user is +i, and source not on the channel, does not show
+ * nick in NAMES list
+ */
+ continue;
+ }
+
+ prefixlist = this->GetPrefixChar(i->first);
+ nick = i->first->nick;
+
+ FOREACH_MOD(I_OnNamesListItem, OnNamesListItem(user, i->second, prefixlist, nick));
+
+ /* Nick was nuked, a module wants us to skip it */
+ if (nick.empty())
+ continue;
+
+ if (list.size() + prefixlist.length() + nick.length() + 1 > maxlen)
+ {
+ /* list overflowed into multiple numerics */
+ user->WriteNumeric(RPL_NAMREPLY, list);
+
+ // Erase all nicks, keep the constant part
+ list.erase(pos);
+ has_one = false;
+ }
+
+ list.append(prefixlist).append(nick).push_back(' ');
+
+ has_one = true;
+ }
+
+ /* if whats left in the list isnt empty, send it */
+ if (has_one)
+ {
+ user->WriteNumeric(RPL_NAMREPLY, list);
+ }
+
+ user->WriteNumeric(RPL_ENDOFNAMES, "%s %s :End of /NAMES list.", user->nick.c_str(), this->name.c_str());
+}
+
+long Channel::GetMaxBans()
+{
+ /* Return the cached value if there is one */
+ if (this->maxbans)
+ return this->maxbans;
+
+ /* If there isnt one, we have to do some O(n) hax to find it the first time. (ick) */
+ for (std::map<std::string,int>::iterator n = ServerInstance->Config->maxbans.begin(); n != ServerInstance->Config->maxbans.end(); n++)
+ {
+ if (InspIRCd::Match(this->name, n->first, NULL))
+ {
+ this->maxbans = n->second;
+ return n->second;
+ }
+ }
+
+ /* Screw it, just return the default of 64 */
+ this->maxbans = 64;
+ return this->maxbans;
+}
+
+void Channel::ResetMaxBans()
+{
+ this->maxbans = 0;
+}
+
+/* returns the status character for a given user on a channel, e.g. @ for op,
+ * % for halfop etc. If the user has several modes set, the highest mode
+ * the user has must be returned.
+ */
+const char* Channel::GetPrefixChar(User *user)
+{
+ static char pf[2] = {0, 0};
+ *pf = 0;
+ unsigned int bestrank = 0;
+
+ UserMembIter m = userlist.find(user);
+ if (m != userlist.end())
+ {
+ for(unsigned int i=0; i < m->second->modes.length(); i++)
+ {
+ char mchar = m->second->modes[i];
+ ModeHandler* mh = ServerInstance->Modes->FindMode(mchar, MODETYPE_CHANNEL);
+ if (mh && mh->GetPrefixRank() > bestrank && mh->GetPrefix())
+ {
+ bestrank = mh->GetPrefixRank();
+ pf[0] = mh->GetPrefix();
+ }
+ }
+ }
+ return pf;
+}
+
+unsigned int Membership::getRank()
+{
+ char mchar = modes.c_str()[0];
+ unsigned int rv = 0;
+ if (mchar)
+ {
+ ModeHandler* mh = ServerInstance->Modes->FindMode(mchar, MODETYPE_CHANNEL);
+ if (mh)
+ rv = mh->GetPrefixRank();
+ }
+ return rv;
+}
+
+const char* Channel::GetAllPrefixChars(User* user)
+{
+ static char prefix[64];
+ int ctr = 0;
+
+ UserMembIter m = userlist.find(user);
+ if (m != userlist.end())
+ {
+ for(unsigned int i=0; i < m->second->modes.length(); i++)
+ {
+ char mchar = m->second->modes[i];
+ ModeHandler* mh = ServerInstance->Modes->FindMode(mchar, MODETYPE_CHANNEL);
+ if (mh && mh->GetPrefix())
+ prefix[ctr++] = mh->GetPrefix();
+ }
+ }
+ prefix[ctr] = 0;
+
+ return prefix;
+}
+
+unsigned int Channel::GetPrefixValue(User* user)
+{
+ UserMembIter m = userlist.find(user);
+ if (m == userlist.end())
+ return 0;
+ return m->second->getRank();
+}
+
+bool Channel::SetPrefix(User* user, char prefix, bool adding)
+{
+ ModeHandler* delta_mh = ServerInstance->Modes->FindMode(prefix, MODETYPE_CHANNEL);
+ if (!delta_mh)
+ return false;
+ UserMembIter m = userlist.find(user);
+ if (m == userlist.end())
+ return false;
+ for(unsigned int i=0; i < m->second->modes.length(); i++)
+ {
+ char mchar = m->second->modes[i];
+ ModeHandler* mh = ServerInstance->Modes->FindMode(mchar, MODETYPE_CHANNEL);
+ if (mh && mh->GetPrefixRank() <= delta_mh->GetPrefixRank())
+ {
+ m->second->modes =
+ m->second->modes.substr(0,i) +
+ (adding ? std::string(1, prefix) : "") +
+ m->second->modes.substr(mchar == prefix ? i+1 : i);
+ return adding != (mchar == prefix);
+ }
+ }
+ if (adding)
+ m->second->modes += std::string(1, prefix);
+ return adding;
+}
+
+void Channel::RemoveAllPrefixes(User* user)
+{
+ UserMembIter m = userlist.find(user);
+ if (m != userlist.end())
+ {
+ m->second->modes.clear();
+ }
+}
+
+void Invitation::Create(Channel* c, LocalUser* u, time_t timeout)
+{
+ if ((timeout != 0) && (ServerInstance->Time() >= timeout))
+ // Expired, don't bother
+ return;
+
+ ServerInstance->Logs->Log("INVITATION", DEBUG, "Invitation::Create chan=%s user=%s", c->name.c_str(), u->uuid.c_str());
+
+ Invitation* inv = Invitation::Find(c, u, false);
+ if (inv)
+ {
+ if ((inv->expiry == 0) || (inv->expiry > timeout))
+ return;
+ inv->expiry = timeout;
+ ServerInstance->Logs->Log("INVITATION", DEBUG, "Invitation::Create changed expiry in existing invitation %p", (void*) inv);
+ }
+ else
+ {
+ inv = new Invitation(c, u, timeout);
+ c->invites.push_back(inv);
+ u->invites.push_back(inv);
+ ServerInstance->Logs->Log("INVITATION", DEBUG, "Invitation::Create created new invitation %p", (void*) inv);
+ }
+}
+
+Invitation* Invitation::Find(Channel* c, LocalUser* u, bool check_expired)
+{
+ ServerInstance->Logs->Log("INVITATION", DEBUG, "Invitation::Find chan=%s user=%s check_expired=%d", c ? c->name.c_str() : "NULL", u ? u->uuid.c_str() : "NULL", check_expired);
+ if (!u || u->invites.empty())
+ return NULL;
+
+ InviteList locallist;
+ locallist.swap(u->invites);
+
+ Invitation* result = NULL;
+ for (InviteList::iterator i = locallist.begin(); i != locallist.end(); )
+ {
+ Invitation* inv = *i;
+ if ((check_expired) && (inv->expiry != 0) && (inv->expiry <= ServerInstance->Time()))
+ {
+ /* Expired invite, remove it. */
+ std::string expiration = ServerInstance->TimeString(inv->expiry);
+ ServerInstance->Logs->Log("INVITATION", DEBUG, "Invitation::Find ecountered expired entry: %p expired %s", (void*) inv, expiration.c_str());
+ i = locallist.erase(i);
+ inv->cull();
+ delete inv;
+ }
+ else
+ {
+ /* Is it what we're searching for? */
+ if (inv->chan == c)
+ {
+ result = inv;
+ break;
+ }
+ ++i;
+ }
+ }
+
+ locallist.swap(u->invites);
+ ServerInstance->Logs->Log("INVITATION", DEBUG, "Invitation::Find result=%p", (void*) result);
+ return result;
+}
+
+Invitation::~Invitation()
+{
+ // Remove this entry from both lists
+ InviteList::iterator it = std::find(chan->invites.begin(), chan->invites.end(), this);
+ if (it != chan->invites.end())
+ chan->invites.erase(it);
+ it = std::find(user->invites.begin(), user->invites.end(), this);
+ if (it != user->invites.end())
+ user->invites.erase(it);
+}
+
+void InviteBase::ClearInvites()
+{
+ ServerInstance->Logs->Log("INVITEBASE", DEBUG, "InviteBase::ClearInvites %p", (void*) this);
+ InviteList locallist;
+ locallist.swap(invites);
+ for (InviteList::const_iterator i = locallist.begin(); i != locallist.end(); ++i)
+ {
+ (*i)->cull();
+ delete *i;
+ }
+}
projects / user / henk / code / inspircd.git / blobdiff