/*
* 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.length() > 2 && 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;
}
}
