* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
+ * InspIRCd: (C) 2002-2008 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
+/* $Core: libIRCDchannels */
+
#include "inspircd.h"
-#include "inspircd_io.h"
-#include "inspircd_util.h"
-#include "inspircd_config.h"
-#include <unistd.h>
-#include <sys/errno.h>
-#include <sys/ioctl.h>
-#include <sys/utsname.h>
-#include <time.h>
-#include <string>
-#ifdef GCC3
-#include <ext/hash_map>
-#else
-#include <hash_map>
-#endif
-#include <map>
-#include <sstream>
-#include <vector>
-#include <deque>
-#include "connection.h"
-#include "users.h"
-#include "servers.h"
-#include "ctables.h"
-#include "globals.h"
-#include "modules.h"
-#include "dynamic.h"
+#include <stdarg.h>
#include "wildcard.h"
-#include "message.h"
#include "mode.h"
-#include "xline.h"
-#include "inspstring.h"
-#include "helperfuncs.h"
-#ifdef GCC3
-#define nspace __gnu_cxx
-#else
-#define nspace std
-#endif
+Channel::Channel(InspIRCd* Instance, const std::string &cname, time_t ts) : ServerInstance(Instance)
+{
+ chan_hash::iterator findchan = ServerInstance->chanlist->find(cname);
+ if (findchan != Instance->chanlist->end())
+ throw CoreException("Cannot create duplicate channel " + cname);
-using namespace std;
+ (*(ServerInstance->chanlist))[cname.c_str()] = this;
+ strlcpy(this->name, cname.c_str(), CHANMAX);
+ this->created = ts ? ts : ServerInstance->Time();
+ this->age = this->created;
-extern int MODCOUNT;
-extern std::vector<Module*> modules;
-extern std::vector<ircd_module*> factory;
-extern int LogLevel;
-extern char ServerName[MAXBUF];
-extern char Network[MAXBUF];
-extern char ServerDesc[MAXBUF];
-extern char AdminName[MAXBUF];
-extern char AdminEmail[MAXBUF];
-extern char AdminNick[MAXBUF];
-extern char diepass[MAXBUF];
-extern char restartpass[MAXBUF];
-extern char motd[MAXBUF];
-extern char rules[MAXBUF];
-extern char list[MAXBUF];
-extern char PrefixQuit[MAXBUF];
-extern char DieValue[MAXBUF];
-extern int debugging;
-extern int WHOWAS_STALE;
-extern int WHOWAS_MAX;
-extern int DieDelay;
-extern time_t startup_time;
-extern int NetBufferSize;
-int MaxWhoResults;
-extern time_t nb_start;
-extern std::vector<int> fd_reap;
-extern std::vector<std::string> module_names;
+ *topic = *setby = *key = 0;
+ maxbans = topicset = limit = 0;
+ memset(&modes,0,64);
+}
-extern int boundPortCount;
-extern int portCount;
-extern int SERVERportCount;
-extern int ports[MAXSOCKS];
-extern int defaultRoute;
+void Channel::SetMode(char mode,bool mode_on)
+{
+ modes[mode-65] = mode_on;
+ if (!mode_on)
+ this->SetModeParam(mode,"",false);
+}
-extern std::vector<long> auth_cookies;
-extern std::stringstream config_f;
-extern serverrec* me[32];
+void Channel::SetModeParam(char mode,const char* parameter,bool mode_on)
+{
+ CustomModeList::iterator n = custom_mode_params.find(mode);
-extern FILE *log_file;
+ if (mode_on)
+ {
+ if (n == custom_mode_params.end())
+ custom_mode_params[mode] = strdup(parameter);
+ }
+ else
+ {
+ if (n != custom_mode_params.end())
+ {
+ free(n->second);
+ custom_mode_params.erase(n);
+ }
+ }
+}
-extern time_t TIME;
+bool Channel::IsModeSet(char mode)
+{
+ return modes[mode-65];
+}
-using namespace std;
+std::string Channel::GetModeParameter(char mode)
+{
+ switch (mode)
+ {
+ case 'k':
+ return this->key;
+ case 'l':
+ return ConvToStr(this->limit);
+ default:
+ CustomModeList::iterator n = custom_mode_params.find(mode);
+ if (n != custom_mode_params.end())
+ return n->second;
+ return "";
+ break;
+ }
+}
-std::vector<ModeParameter> custom_mode_params;
+long Channel::GetUserCounter()
+{
+ return (this->internal_userlist.size());
+}
-chanrec::chanrec()
+void Channel::AddUser(User* user)
{
- strcpy(name,"");
- strcpy(custom_modes,"");
- strcpy(topic,"");
- strcpy(setby,"");
- strcpy(key,"");
- created = topicset = limit = 0;
- binarymodes = 0;
- internal_userlist.clear();
+ internal_userlist[user] = user->nick;
}
-void chanrec::SetCustomMode(char mode,bool mode_on)
+unsigned long Channel::DelUser(User* user)
{
- if (mode_on) {
- static char m[3];
- m[0] = mode;
- m[1] = '\0';
- if (!strchr(this->custom_modes,mode))
- {
- strlcat(custom_modes,m,MAXMODES);
- }
- log(DEBUG,"Custom mode %c set",mode);
+ CUListIter a = internal_userlist.find(user);
+
+ if (a != internal_userlist.end())
+ {
+ internal_userlist.erase(a);
+ /* And tidy any others... */
+ DelOppedUser(user);
+ DelHalfoppedUser(user);
+ DelVoicedUser(user);
}
- else {
+
+ return internal_userlist.size();
+}
+
+bool Channel::HasUser(User* user)
+{
+ return (internal_userlist.find(user) != internal_userlist.end());
+}
- std::string a = this->custom_modes;
- int pos = a.find(mode);
- a.erase(pos,1);
- strncpy(this->custom_modes,a.c_str(),MAXMODES);
+void Channel::AddOppedUser(User* user)
+{
+ internal_op_userlist[user] = user->nick;
+}
- log(DEBUG,"Custom mode %c removed: modelist='%s'",mode,this->custom_modes);
- this->SetCustomModeParam(mode,"",false);
+void Channel::DelOppedUser(User* user)
+{
+ CUListIter a = internal_op_userlist.find(user);
+ if (a != internal_op_userlist.end())
+ {
+ internal_op_userlist.erase(a);
+ return;
}
}
+void Channel::AddHalfoppedUser(User* user)
+{
+ internal_halfop_userlist[user] = user->nick;
+}
+
+void Channel::DelHalfoppedUser(User* user)
+{
+ CUListIter a = internal_halfop_userlist.find(user);
+
+ if (a != internal_halfop_userlist.end())
+ {
+ internal_halfop_userlist.erase(a);
+ }
+}
-void chanrec::SetCustomModeParam(char mode,char* parameter,bool mode_on)
+void Channel::AddVoicedUser(User* user)
{
+ internal_voice_userlist[user] = user->nick;
+}
- log(DEBUG,"SetCustomModeParam called");
- ModeParameter M;
- M.mode = mode;
- strlcpy(M.channel,this->name,CHANMAX);
- strlcpy(M.parameter,parameter,MAXBUF);
- if (mode_on)
+void Channel::DelVoicedUser(User* user)
+{
+ CUListIter a = internal_voice_userlist.find(user);
+
+ if (a != internal_voice_userlist.end())
{
- log(DEBUG,"Custom mode parameter %c %s added",mode,parameter);
- custom_mode_params.push_back(M);
+ internal_voice_userlist.erase(a);
+ }
+}
+
+CUList* Channel::GetUsers()
+{
+ return &internal_userlist;
+}
+
+CUList* Channel::GetOppedUsers()
+{
+ return &internal_op_userlist;
+}
+
+CUList* Channel::GetHalfoppedUsers()
+{
+ return &internal_halfop_userlist;
+}
+
+CUList* Channel::GetVoicedUsers()
+{
+ return &internal_voice_userlist;
+}
+
+void Channel::SetDefaultModes()
+{
+ ServerInstance->Logs->Log("CHANNELS", DEBUG, "SetDefaultModes %s", ServerInstance->Config->DefaultModes);
+ 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);
+ else
+ parameter.clear();
+
+ 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(InspIRCd* Instance, User *user, const char* cn, bool override, const char* key, bool bursting, time_t TS)
+{
+ if (!user || !cn)
+ return NULL;
+
+ char cname[MAXBUF];
+ int MOD_RESULT = 0;
+ 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->GetMaxChans())
+ {
+ if (user->chans.size() >= user->GetMaxChans())
+ {
+ user->WriteNumeric(405, "%s %s :You are on too many channels",user->nick, cn);
+ return NULL;
+ }
+ }
+ else
+ {
+ if (IS_OPER(user))
+ {
+ if (user->chans.size() >= Instance->Config->OperMaxChans)
+ {
+ user->WriteNumeric(405, "%s %s :You are on too many channels",user->nick, cn);
+ return NULL;
+ }
+ }
+ else
+ {
+ if (user->chans.size() >= Instance->Config->MaxChans)
+ {
+ user->WriteNumeric(405, "%s %s :You are on too many channels",user->nick, cn);
+ return NULL;
+ }
+ }
+ }
+ }
+
+ strlcpy(cname, cn, CHANMAX);
+ Ptr = Instance->FindChan(cname);
+
+ 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)
+ Instance->Logs->Log("CHANNEL",DEBUG,"*** BUG *** Channel::JoinUser called for REMOTE user '%s' on channel '%s' but no TS given!", user->nick, cn);
+ }
+ else
+ {
+ privs = "@";
+ }
+
+ if (IS_LOCAL(user) && override == false)
+ {
+ MOD_RESULT = 0;
+ FOREACH_RESULT_I(Instance,I_OnUserPreJoin, OnUserPreJoin(user, NULL, cname, privs, key ? key : ""));
+ if (MOD_RESULT == 1)
+ return NULL;
+ }
+
+ Ptr = new Channel(Instance, cname, TS);
}
else
{
- if (custom_mode_params.size())
+ /* 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)
{
- for (vector<ModeParameter>::iterator i = custom_mode_params.begin(); i < custom_mode_params.end(); i++)
+ MOD_RESULT = 0;
+ FOREACH_RESULT_I(Instance,I_OnUserPreJoin, OnUserPreJoin(user, Ptr, cname, privs, key ? key : ""));
+ if (MOD_RESULT == 1)
{
- if ((i->mode == mode) && (!strcasecmp(this->name,i->channel)))
+ return NULL;
+ }
+ else if (MOD_RESULT == 0)
+ {
+ if (*Ptr->key)
+ {
+ MOD_RESULT = 0;
+ FOREACH_RESULT_I(Instance,I_OnCheckKey,OnCheckKey(user, Ptr, key ? key : ""));
+ if (!MOD_RESULT)
+ {
+ if ((!key) || strcmp(key,Ptr->key))
+ {
+ user->WriteNumeric(475, "%s %s :Cannot join channel (Incorrect channel key)",user->nick, Ptr->name);
+ return NULL;
+ }
+ }
+ }
+ if (Ptr->IsModeSet('i'))
+ {
+ MOD_RESULT = 0;
+ FOREACH_RESULT_I(Instance,I_OnCheckInvite,OnCheckInvite(user, Ptr));
+ if (!MOD_RESULT)
+ {
+ if (!user->IsInvited(Ptr->name))
+ {
+ user->WriteNumeric(473, "%s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
+ return NULL;
+ }
+ }
+ user->RemoveInvite(Ptr->name);
+ }
+ if (Ptr->limit)
{
- log(DEBUG,"Custom mode parameter %c %s removed",mode,parameter);
- custom_mode_params.erase(i);
- return;
+ MOD_RESULT = 0;
+ FOREACH_RESULT_I(Instance,I_OnCheckLimit,OnCheckLimit(user, Ptr));
+ if (!MOD_RESULT)
+ {
+ if (Ptr->GetUserCounter() >= Ptr->limit)
+ {
+ user->WriteNumeric(471, "%s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
+ return NULL;
+ }
+ }
+ }
+ if (Ptr->bans.size())
+ {
+ if (Ptr->IsBanned(user))
+ {
+ user->WriteNumeric(474, "%s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
+ return NULL;
+ }
}
}
}
- log(DEBUG,"*** BUG *** Attempt to remove non-existent mode parameter!");
}
+
+ /* As spotted by jilles, dont bother to set this on remote users */
+ if (IS_LOCAL(user) && Ptr->GetUserCounter() == 0)
+ Ptr->SetDefaultModes();
+
+ return Channel::ForceChan(Instance, Ptr, user, privs, bursting);
}
-bool chanrec::IsCustomModeSet(char mode)
+Channel* Channel::ForceChan(InspIRCd* Instance, Channel* Ptr, User* user, const std::string &privs, bool bursting)
{
- log(DEBUG,"Checking ISCustomModeSet: %c %s",mode,this->custom_modes);
- return (strchr(this->custom_modes,mode) != 0);
+ std::string nick = user->nick;
+ bool silent = false;
+
+ Ptr->AddUser(user);
+
+ /* Just in case they have no permissions */
+ user->chans[Ptr] = 0;
+
+ for (std::string::const_iterator x = privs.begin(); x != privs.end(); x++)
+ {
+ const char status = *x;
+ ModeHandler* mh = Instance->Modes->FindPrefix(status);
+ if (mh)
+ {
+ /* Set, and make sure that the mode handler knows this mode was now set */
+ Ptr->SetPrefix(user, status, mh->GetPrefixRank(), true);
+ mh->OnModeChange(Instance->FakeClient, Instance->FakeClient, Ptr, nick, true);
+
+ switch (mh->GetPrefix())
+ {
+ /* These logic ops are SAFE IN THIS CASE because if the entry doesnt exist,
+ * addressing operator[] creates it. If they do exist, it points to it.
+ * At all other times where we dont want to create an item if it doesnt exist, we
+ * must stick to ::find().
+ */
+ case '@':
+ user->chans[Ptr] |= UCMODE_OP;
+ break;
+ case '%':
+ user->chans[Ptr] |= UCMODE_HOP;
+ break;
+ case '+':
+ user->chans[Ptr] |= UCMODE_VOICE;
+ break;
+ }
+ }
+ }
+
+ FOREACH_MOD_I(Instance,I_OnUserJoin,OnUserJoin(user, Ptr, bursting, silent));
+
+ if (!silent)
+ Ptr->WriteChannel(user,"JOIN :%s",Ptr->name);
+
+ /* Theyre not the first ones in here, make sure everyone else sees the modes we gave the user */
+ std::string ms = Instance->Modes->ModeString(user, Ptr);
+ if ((Ptr->GetUserCounter() > 1) && (ms.length()))
+ Ptr->WriteAllExceptSender(user, true, 0, "MODE %s +%s", Ptr->name, ms.c_str());
+
+ /* Major improvement by Brain - we dont need to be calculating all this pointlessly for remote users */
+ if (IS_LOCAL(user))
+ {
+ if (Ptr->topicset)
+ {
+ user->WriteNumeric(332, "%s %s :%s", user->nick, Ptr->name, Ptr->topic);
+ user->WriteNumeric(333, "%s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
+ }
+ Ptr->UserList(user);
+ }
+ FOREACH_MOD_I(Instance,I_OnPostJoin,OnPostJoin(user, Ptr));
+ return Ptr;
}
-std::string chanrec::GetModeParameter(char mode)
+bool Channel::IsBanned(User* user)
{
- if (custom_mode_params.size())
+ char mask[MAXBUF];
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, this));
+
+ if (MOD_RESULT == -1)
+ return true;
+ else if (MOD_RESULT == 0)
{
- for (vector<ModeParameter>::iterator i = custom_mode_params.begin(); i < custom_mode_params.end(); i++)
+ snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString());
+ for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++)
{
- if ((i->mode == mode) && (!strcasecmp(this->name,i->channel)))
+ /* This allows CIDR ban matching
+ *
+ * Full masked host Full unmasked host IP with/without CIDR
+ */
+ if ((match(user->GetFullHost(),i->data)) || (match(user->GetFullRealHost(),i->data)) || (match(mask, i->data, true)))
{
- return i->parameter;
+ return true;
}
}
}
- return "";
+ return false;
}
-long chanrec::GetUserCounter()
+bool Channel::IsExtBanned(User *user, char type)
{
- return (this->internal_userlist.size());
+ // XXX. do we need events?
+ char mask[MAXBUF];
+ char *maskptr;
+
+ snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString());
+
+ for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++)
+ {
+ if (i->data[0] != type || i->data[1] != ':')
+ continue;
+
+ // Iterate past char and : to get to the mask without doing a data copy(!)
+ maskptr = i->data;
+ maskptr++; // past the char
+ maskptr++; // past the :
+
+ /* This allows CIDR ban matching
+ *
+ * Full masked host Full unmasked host IP with/without CIDR
+ */
+ if ((match(user->GetFullHost(), maskptr)) || (match(user->GetFullRealHost(), maskptr)) || (match(mask, maskptr, true)))
+ {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+/* 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.
+ */
+long Channel::PartUser(User *user, const char* reason)
+{
+ bool silent = false;
+
+ if (!user)
+ return this->GetUserCounter();
+
+ UCListIter i = user->chans.find(this);
+ if (i != user->chans.end())
+ {
+ FOREACH_MOD(I_OnUserPart,OnUserPart(user, this, reason ? reason : "", silent));
+
+ if (!silent)
+ this->WriteChannel(user, "PART %s%s%s", this->name, reason ? " :" : "", reason ? reason : "");
+
+ user->chans.erase(i);
+ this->RemoveAllPrefixes(user);
+ }
+
+ if (!this->DelUser(user)) /* if there are no users left on the channel... */
+ {
+ chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);
+ /* kill the record */
+ if (iter != ServerInstance->chanlist->end())
+ {
+ int MOD_RESULT = 0;
+ FOREACH_RESULT_I(ServerInstance,I_OnChannelPreDelete, OnChannelPreDelete(this));
+ if (MOD_RESULT == 1)
+ return 1; // delete halted by module
+ FOREACH_MOD(I_OnChannelDelete, OnChannelDelete(this));
+ ServerInstance->chanlist->erase(iter);
+ }
+ return 0;
+ }
+
+ return this->GetUserCounter();
+}
+
+long Channel::ServerKickUser(User* user, const char* reason, bool triggerevents, const char* servername)
+{
+ bool silent = false;
+
+ if (!user || !reason)
+ return this->GetUserCounter();
+
+ if (IS_LOCAL(user))
+ {
+ if (!this->HasUser(user))
+ {
+ /* Not on channel */
+ return this->GetUserCounter();
+ }
+ }
+
+ if (servername == NULL || *ServerInstance->Config->HideWhoisServer)
+ servername = ServerInstance->Config->ServerName;
+
+ if (triggerevents)
+ {
+ FOREACH_MOD(I_OnUserKick,OnUserKick(NULL, user, this, reason, silent));
+ }
+
+ UCListIter i = user->chans.find(this);
+ if (i != user->chans.end())
+ {
+ if (!silent)
+ this->WriteChannelWithServ(servername, "KICK %s %s :%s", this->name, user->nick, reason);
+
+ user->chans.erase(i);
+ this->RemoveAllPrefixes(user);
+ }
+
+ if (!this->DelUser(user))
+ {
+ chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);
+ /* kill the record */
+ if (iter != ServerInstance->chanlist->end())
+ {
+ int MOD_RESULT = 0;
+ FOREACH_RESULT_I(ServerInstance,I_OnChannelPreDelete, OnChannelPreDelete(this));
+ if (MOD_RESULT == 1)
+ return 1; // delete halted by module
+ FOREACH_MOD(I_OnChannelDelete, OnChannelDelete(this));
+ ServerInstance->chanlist->erase(iter);
+ }
+ return 0;
+ }
+
+ return this->GetUserCounter();
+}
+
+long Channel::KickUser(User *src, User *user, const char* reason)
+{
+ bool silent = false;
+
+ if (!src || !user || !reason)
+ return this->GetUserCounter();
+
+ if (IS_LOCAL(src))
+ {
+ if (!this->HasUser(user))
+ {
+ src->WriteNumeric(441, "%s %s %s :They are not on that channel",src->nick, user->nick, this->name);
+ return this->GetUserCounter();
+ }
+ if ((ServerInstance->ULine(user->server)) && (!ServerInstance->ULine(src->server)))
+ {
+ src->WriteNumeric(482, "%s %s :Only a u-line may kick a u-line from a channel.",src->nick, this->name);
+ return this->GetUserCounter();
+ }
+ int MOD_RESULT = 0;
+
+ if (!ServerInstance->ULine(src->server))
+ {
+ MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnUserPreKick,OnUserPreKick(src,user,this,reason));
+ if (MOD_RESULT == 1)
+ return this->GetUserCounter();
+ }
+ /* Set to -1 by OnUserPreKick if explicit allow was set */
+ if (MOD_RESULT != -1)
+ {
+ FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(src,user,this,AC_KICK));
+ if ((MOD_RESULT == ACR_DENY) && (!ServerInstance->ULine(src->server)))
+ return this->GetUserCounter();
+
+ if ((MOD_RESULT == ACR_DEFAULT) || (!ServerInstance->ULine(src->server)))
+ {
+ int them = this->GetStatus(src);
+ int us = this->GetStatus(user);
+ if ((them < STATUS_HOP) || (them < us))
+ {
+ src->WriteNumeric(482, "%s %s :You must be a channel %soperator",src->nick, this->name, them == STATUS_HOP ? "" : "half-");
+ return this->GetUserCounter();
+ }
+ }
+ }
+ }
+
+ FOREACH_MOD(I_OnUserKick,OnUserKick(src, user, this, reason, silent));
+
+ UCListIter i = user->chans.find(this);
+ if (i != user->chans.end())
+ {
+ /* zap it from the channel list of the user */
+ if (!silent)
+ this->WriteChannel(src, "KICK %s %s :%s", this->name, user->nick, reason);
+
+ user->chans.erase(i);
+ this->RemoveAllPrefixes(user);
+ }
+
+ if (!this->DelUser(user))
+ /* if there are no users left on the channel */
+ {
+ chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);
+
+ /* kill the record */
+ if (iter != ServerInstance->chanlist->end())
+ {
+ int MOD_RESULT = 0;
+ FOREACH_RESULT_I(ServerInstance,I_OnChannelPreDelete, OnChannelPreDelete(this));
+ if (MOD_RESULT == 1)
+ return 1; // delete halted by module
+ FOREACH_MOD(I_OnChannelDelete, OnChannelDelete(this));
+ ServerInstance->chanlist->erase(iter);
+ }
+ return 0;
+ }
+
+ return this->GetUserCounter();
}
-void chanrec::AddUser(char* castuser)
+void Channel::WriteChannel(User* user, const char* text, ...)
{
- internal_userlist.push_back(castuser);
- log(DEBUG,"Added casted user to channel's internal list");
+ 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 chanrec::DelUser(char* castuser)
+void Channel::WriteChannel(User* user, const std::string &text)
{
- for (std::vector<char*>::iterator a = internal_userlist.begin(); a < internal_userlist.end(); a++)
+ CUList *ulist = this->GetUsers();
+ char tb[MAXBUF];
+
+ if (!user)
+ return;
+
+ snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
+ std::string out = tb;
+
+ for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+ {
+ if (IS_LOCAL(i->first))
+ i->first->Write(out);
+ }
+}
+
+void Channel::WriteChannelWithServ(const char* 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 char* ServName, const std::string &text)
+{
+ CUList *ulist = this->GetUsers();
+ char tb[MAXBUF];
+
+ snprintf(tb,MAXBUF,":%s %s",ServName ? ServName : ServerInstance->Config->ServerName, text.c_str());
+ std::string out = tb;
+
+ for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
{
- if (*a == castuser)
+ 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;
+
+ va_start(argsPtr, text);
+ vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+ va_end(argsPtr);
+
+ this->WriteAllExcept(user, serversource, status, except_list, std::string(textbuffer));
+}
+
+void Channel::WriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const std::string &text)
+{
+ CUList *ulist = this->GetUsers();
+ char tb[MAXBUF];
+
+ snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
+ std::string out = tb;
+
+ for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+ {
+ if ((IS_LOCAL(i->first)) && (except_list.find(i->first) == except_list.end()))
+ {
+ /* User doesnt have the status we're after */
+ if (status && !strchr(this->GetAllPrefixChars(i->first), status))
+ continue;
+
+ if (serversource)
+ i->first->WriteServ(text);
+ else
+ i->first->Write(out);
+ }
+ }
+}
+
+void Channel::WriteAllExceptSender(User* user, bool serversource, char status, const std::string& text)
+{
+ CUList except_list;
+ except_list[user] = user->nick;
+ 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;
+ CUList *ulist= this->GetUsers();
+ for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+ {
+ if (!(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();
+ switch (n)
+ {
+ case CM_KEY:
+ extparam = (showkey ? this->key : "<key>");
+ break;
+ case CM_LIMIT:
+ extparam = ConvToStr(this->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 = this->GetModeParameter(n + 65);
+ break;
+ }
+ 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, CUList *ulist)
+{
+ char list[MAXBUF];
+ size_t dlen, curlen;
+ int MOD_RESULT = 0;
+ bool call_modules = true;
+
+ if (!IS_LOCAL(user))
+ return;
+
+ FOREACH_RESULT(I_OnUserList,OnUserList(user, this, ulist));
+ if (MOD_RESULT == 1)
+ call_modules = false;
+
+ if (MOD_RESULT != -1)
+ {
+ if ((this->IsModeSet('s')) && (!this->HasUser(user)))
{
- log(DEBUG,"Removed casted user from channel's internal list");
- internal_userlist.erase(a);
+ user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick, this->name);
return;
}
}
- log(DEBUG,"BUG BUG BUG! Attempt to remove an uncasted user from the internal list of %s!",name);
+
+ dlen = curlen = snprintf(list,MAXBUF,"%s %c %s :", user->nick, this->IsModeSet('s') ? '@' : this->IsModeSet('p') ? '*' : '=', this->name);
+
+ int numusers = 0;
+ char* ptr = list + dlen;
+
+ if (!ulist)
+ ulist = this->GetUsers();
+
+ /* Improvement by Brain - this doesnt change in value, so why was it inside
+ * the loop?
+ */
+ bool has_user = this->HasUser(user);
+
+ for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+ {
+ if ((!has_user) && (i->first->IsModeSet('i')))
+ {
+ /*
+ * user is +i, and source not on the channel, does not show
+ * nick in NAMES list
+ */
+ continue;
+ }
+
+ if (i->first->Visibility && !i->first->Visibility->VisibleTo(user))
+ continue;
+
+ std::string prefixlist = this->GetPrefixChar(i->first);
+ std::string nick = i->first->nick;
+
+ if (call_modules)
+ {
+ FOREACH_MOD(I_OnNamesListItem, OnNamesListItem(user, i->first, this, prefixlist, nick));
+
+ /* Nick was nuked, a module wants us to skip it */
+ if (nick.empty())
+ continue;
+ }
+
+ size_t ptrlen = 0;
+
+ if (curlen > (480-NICKMAX))
+ {
+ /* list overflowed into multiple numerics */
+ user->WriteServ(std::string(list));
+
+ /* reset our lengths */
+ dlen = curlen = snprintf(list,MAXBUF,"%s %c %s :", user->nick, this->IsModeSet('s') ? '@' : this->IsModeSet('p') ? '*' : '=', this->name);
+ ptr = list + dlen;
+
+ ptrlen = 0;
+ numusers = 0;
+ }
+
+ ptrlen = snprintf(ptr, MAXBUF, "%s%s ", prefixlist.c_str(), nick.c_str());
+
+ curlen += ptrlen;
+ ptr += ptrlen;
+
+ numusers++;
+ }
+
+ /* if whats left in the list isnt empty, send it */
+ if (numusers)
+ {
+ user->WriteNumeric(353,std::string(list));
+ }
+
+ user->WriteNumeric(366, "%s %s :End of /NAMES list.", user->nick, this->name);
}
-std::vector<char*> *chanrec::GetUsers()
+long Channel::GetMaxBans()
{
- return &internal_userlist;
+ /* 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 (match(this->name,n->first))
+ {
+ 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};
+
+ prefixlist::iterator n = prefixes.find(user);
+ if (n != prefixes.end())
+ {
+ if (n->second.size())
+ {
+ /* If the user has any prefixes, their highest prefix
+ * will always be at the head of the list, as the list is
+ * sorted in rank order highest first (see SetPrefix()
+ * for reasons why)
+ */
+ *pf = n->second.begin()->first;
+ return pf;
+ }
+ }
+
+ *pf = 0;
+ return pf;
}
+
+
+const char* Channel::GetAllPrefixChars(User* user)
+{
+ static char prefix[MAXBUF];
+ int ctr = 0;
+ *prefix = 0;
+
+ prefixlist::iterator n = prefixes.find(user);
+ if (n != prefixes.end())
+ {
+ for (std::vector<prefixtype>::iterator x = n->second.begin(); x != n->second.end(); x++)
+ {
+ prefix[ctr++] = x->first;
+ }
+ }
+
+ prefix[ctr] = 0;
+
+ return prefix;
+}
+
+unsigned int Channel::GetPrefixValue(User* user)
+{
+ prefixlist::iterator n = prefixes.find(user);
+ if (n != prefixes.end())
+ {
+ if (n->second.size())
+ return n->second.begin()->second;
+ }
+ return 0;
+}
+
+int Channel::GetStatusFlags(User *user)
+{
+ UCListIter i = user->chans.find(this);
+ if (i != user->chans.end())
+ {
+ return i->second;
+ }
+ return 0;
+}
+
+int Channel::GetStatus(User *user)
+{
+ if (ServerInstance->ULine(user->server))
+ return STATUS_OP;
+
+ UCListIter i = user->chans.find(this);
+ if (i != user->chans.end())
+ {
+ if ((i->second & UCMODE_OP) > 0)
+ {
+ return STATUS_OP;
+ }
+ if ((i->second & UCMODE_HOP) > 0)
+ {
+ return STATUS_HOP;
+ }
+ if ((i->second & UCMODE_VOICE) > 0)
+ {
+ return STATUS_VOICE;
+ }
+ return STATUS_NORMAL;
+ }
+ return STATUS_NORMAL;
+}
+
+void Channel::SetPrefix(User* user, char prefix, unsigned int prefix_value, bool adding)
+{
+ prefixlist::iterator n = prefixes.find(user);
+ prefixtype pfx = std::make_pair(prefix,prefix_value);
+ if (adding)
+ {
+ if (n != prefixes.end())
+ {
+ if (std::find(n->second.begin(), n->second.end(), pfx) == n->second.end())
+ {
+ n->second.push_back(pfx);
+ /* We must keep prefixes in rank order, largest first.
+ * This is for two reasons, firstly because x-chat *ass-u-me's* this
+ * state, and secondly it turns out to be a benefit to us later.
+ * See above in GetPrefix().
+ */
+ std::sort(n->second.begin(), n->second.end(), ModeParser::PrefixComparison);
+ }
+ }
+ else
+ {
+ pfxcontainer one;
+ one.push_back(pfx);
+ prefixes.insert(std::make_pair<User*,pfxcontainer>(user, one));
+ }
+ }
+ else
+ {
+ if (n != prefixes.end())
+ {
+ pfxcontainer::iterator x = std::find(n->second.begin(), n->second.end(), pfx);
+ if (x != n->second.end())
+ n->second.erase(x);
+ }
+ }
+}
+
+void Channel::RemoveAllPrefixes(User* user)
+{
+ prefixlist::iterator n = prefixes.find(user);
+ if (n != prefixes.end())
+ {
+ prefixes.erase(n);
+ }
+}
+