X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fchannels.cpp;h=b96b4588e92ad1fb95405c1cba549cfae53b1baf;hb=ed105d7fef72b5bb5f23e72fae40d6b4ffdcb5b8;hp=4ff1e6aa1469b5049e93050be03f06379ae02541;hpb=3a5480d6ed7fe1bd40300b38fa213d269054f58b;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/channels.cpp b/src/channels.cpp index 4ff1e6aa1..b96b4588e 100644 --- a/src/channels.cpp +++ b/src/channels.cpp @@ -1,156 +1,98 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ * * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * - * + * E-mail: + * + * + * * Written by Craig Edwards, Craig McLure, and others. * This program is free but copyrighted software; see - * the file COPYING for details. + * the file COPYING for details. * * --------------------------------------------------- */ using namespace std; -#include "inspircd_config.h" +#include +#include "configreader.h" #include "inspircd.h" -#include "inspircd_io.h" -#include -#include -#include -#include -#include -#include -#ifdef GCC3 -#include -#else -#include -#endif -#include -#include -#include -#include #include "users.h" -#include "ctables.h" -#include "globals.h" #include "modules.h" -#include "dynamic.h" -#include "commands.h" #include "wildcard.h" -#include "message.h" #include "mode.h" -#include "xline.h" -#include "inspstring.h" -#include "helperfuncs.h" -#include "typedefs.h" - -#ifdef GCC3 -#define nspace __gnu_cxx -#else -#define nspace std -#endif - -extern ServerConfig* Config; - -extern int MODCOUNT; -extern std::vector modules; -extern std::vector factory; -extern int WHOWAS_STALE; -extern int WHOWAS_MAX; -extern time_t TIME; -extern chan_hash chanlist; -using namespace std; - -std::vector custom_mode_params; - -chanrec* ForceChan(chanrec* Ptr,ucrec &a,userrec* user, int created); - -chanrec::chanrec() +chanrec::chanrec(InspIRCd* Instance) : ServerInstance(Instance) { - *name = *custom_modes = *topic = *setby = *key = 0; - created = topicset = limit = binarymodes = 0; + *name = *topic = *setby = *key = 0; + created = topicset = limit = 0; internal_userlist.clear(); + memset(&modes,0,64); + age = ServerInstance->Time(true); } -void chanrec::SetCustomMode(char mode,bool mode_on) +void chanrec::SetMode(char mode,bool mode_on) { - 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); - } - else { - - std::string a = this->custom_modes; - int pos = a.find(mode); - a.erase(pos,1); - strlcpy(this->custom_modes,a.c_str(),MAXMODES); - - log(DEBUG,"Custom mode %c removed: modelist='%s'",mode,this->custom_modes); - this->SetCustomModeParam(mode,"",false); - } + modes[mode-65] = mode_on; + if (!mode_on) + this->SetModeParam(mode,"",false); } -void chanrec::SetCustomModeParam(char mode,char* parameter,bool mode_on) +void chanrec::SetModeParam(char mode,const char* parameter,bool mode_on) { + ServerInstance->Log(DEBUG,"SetModeParam called"); + + CustomModeList::iterator n = custom_mode_params.find(mode); - log(DEBUG,"SetCustomModeParam called"); - ModeParameter M; - M.mode = mode; - strlcpy(M.channel,this->name,CHANMAX); - strlcpy(M.parameter,parameter,MAXBUF); if (mode_on) { - log(DEBUG,"Custom mode parameter %c %s added",mode,parameter); - custom_mode_params.push_back(M); + if (n == custom_mode_params.end()) + { + custom_mode_params[mode] = strdup(parameter); + ServerInstance->Log(DEBUG,"Custom mode parameter %c %s added",mode,parameter); + } + else + { + ServerInstance->Log(DEBUG, "Tried to set custom mode parameter for %c '%s' when it was already '%s'", mode, parameter, n->second); + } } else { - if (custom_mode_params.size()) + if (n != custom_mode_params.end()) { - for (vector::iterator i = custom_mode_params.begin(); i < custom_mode_params.end(); i++) - { - if ((i->mode == mode) && (!strcasecmp(this->name,i->channel))) - { - log(DEBUG,"Custom mode parameter %c %s removed",mode,parameter); - custom_mode_params.erase(i); - return; - } - } + free(n->second); + custom_mode_params.erase(n); } - log(DEBUG,"*** BUG *** Attempt to remove non-existent mode parameter!"); } } -bool chanrec::IsCustomModeSet(char mode) +bool chanrec::IsModeSet(char mode) { - return (strchr(this->custom_modes,mode)); + return modes[mode-65]; } std::string chanrec::GetModeParameter(char mode) { - if (custom_mode_params.size()) + if (mode == 'k') + { + return this->key; + } + else if (mode == 'l') + { + return ConvToStr(this->limit); + } + else { - for (vector::iterator i = custom_mode_params.begin(); i < custom_mode_params.end(); i++) + CustomModeList::iterator n = custom_mode_params.find(mode); + if (n != custom_mode_params.end()) { - if ((i->mode == mode) && (!strcasecmp(this->name,i->channel))) - { - return i->parameter; - } + return n->second; } + return ""; } - return ""; } long chanrec::GetUserCounter() @@ -158,505 +100,952 @@ long chanrec::GetUserCounter() return (this->internal_userlist.size()); } -void chanrec::AddUser(char* castuser) +void chanrec::AddUser(userrec* user) { - internal_userlist[castuser] = castuser; - log(DEBUG,"Added casted user to channel's internal list"); + internal_userlist[user] = user; } -void chanrec::DelUser(char* castuser) +unsigned long chanrec::DelUser(userrec* user) { - std::map::iterator a = internal_userlist.find(castuser); + CUListIter a = internal_userlist.find(user); + if (a != internal_userlist.end()) { - log(DEBUG,"Removed casted user from channel's internal list"); internal_userlist.erase(a); /* And tidy any others... */ - DelOppedUser(castuser); - DelHalfoppedUser(castuser); - DelVoicedUser(castuser); - return; + DelOppedUser(user); + DelHalfoppedUser(user); + DelVoicedUser(user); } + + return internal_userlist.size(); +} + +bool chanrec::HasUser(userrec* user) +{ + return (internal_userlist.find(user) != internal_userlist.end()); } -void chanrec::AddOppedUser(char* castuser) +void chanrec::AddOppedUser(userrec* user) { - internal_op_userlist[castuser] = castuser; - log(DEBUG,"Added casted user to channel's internal list"); + internal_op_userlist[user] = user; } -void chanrec::DelOppedUser(char* castuser) +void chanrec::DelOppedUser(userrec* user) { - std::map::iterator a = internal_op_userlist.find(castuser); - if (a != internal_op_userlist.end()) - { - log(DEBUG,"Removed casted user from channel's internal list"); - internal_op_userlist.erase(a); - return; - } + CUListIter a = internal_op_userlist.find(user); + if (a != internal_op_userlist.end()) + { + internal_op_userlist.erase(a); + return; + } } -void chanrec::AddHalfoppedUser(char* castuser) +void chanrec::AddHalfoppedUser(userrec* user) { - internal_halfop_userlist[castuser] = castuser; - log(DEBUG,"Added casted user to channel's internal list"); + internal_halfop_userlist[user] = user; } -void chanrec::DelHalfoppedUser(char* castuser) +void chanrec::DelHalfoppedUser(userrec* user) { - std::map::iterator a = internal_halfop_userlist.find(castuser); - if (a != internal_halfop_userlist.end()) - { - log(DEBUG,"Removed casted user from channel's internal list"); - internal_halfop_userlist.erase(a); - return; - } + CUListIter a = internal_halfop_userlist.find(user); + + if (a != internal_halfop_userlist.end()) + { + internal_halfop_userlist.erase(a); + } } -void chanrec::AddVoicedUser(char* castuser) +void chanrec::AddVoicedUser(userrec* user) { - internal_voice_userlist[castuser] = castuser; - log(DEBUG,"Added casted user to channel's internal list"); + internal_voice_userlist[user] = user; } -void chanrec::DelVoicedUser(char* castuser) +void chanrec::DelVoicedUser(userrec* user) { - std::map::iterator a = internal_voice_userlist.find(castuser); - if (a != internal_voice_userlist.end()) - { - log(DEBUG,"Removed casted user from channel's internal list"); - internal_voice_userlist.erase(a); - return; - } + CUListIter a = internal_voice_userlist.find(user); + + if (a != internal_voice_userlist.end()) + { + internal_voice_userlist.erase(a); + } } -std::map *chanrec::GetUsers() +CUList* chanrec::GetUsers() { return &internal_userlist; } -std::map *chanrec::GetOppedUsers() -{ - return &internal_op_userlist; -} - -std::map *chanrec::GetHalfoppedUsers() -{ - return &internal_halfop_userlist; -} - -std::map *chanrec::GetVoicedUsers() -{ - return &internal_voice_userlist; -} - -/* add a channel to a user, creating the record for it if needed and linking - * it to the user record */ - -chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override) -{ - if ((!user) || (!cn)) - { - log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter"); - return 0; - } - - int created = 0; - char cname[MAXBUF]; - int MOD_RESULT = 0; - strlcpy(cname,cn,CHANMAX); - log(DEBUG,"cname='%s' cn='%s'",cname,cn); - - log(DEBUG,"add_channel: %s %s",user->nick,cname); - - chanrec* Ptr = FindChan(cname); - - if (!Ptr) - { - if (user->fd > -1) - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnUserPreJoin,OnUserPreJoin(user,NULL,cname)); - if (MOD_RESULT == 1) - return NULL; - } - /* create a new one */ - chanlist[cname] = new chanrec(); - strlcpy(chanlist[cname]->name, cname,CHANMAX); - chanlist[cname]->binarymodes = CM_TOPICLOCK | CM_NOEXTERNAL; - chanlist[cname]->created = TIME; - *chanlist[cname]->topic = 0; - strlcpy(chanlist[cname]->setby, user->nick,NICKMAX); - chanlist[cname]->topicset = 0; - Ptr = chanlist[cname]; - log(DEBUG,"add_channel: created: %s",cname); - /* set created to 2 to indicate user - * is the first in the channel - * and should be given ops */ - created = 2; - } - else - { - /* Already on the channel */ - if (has_channel(user,Ptr)) - return NULL; - - // remote users are allowed us to bypass channel modes - // and bans (used by servers) - if (user->fd > -1) - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnUserPreJoin,OnUserPreJoin(user,Ptr,cname)); - if (MOD_RESULT == 1) - { - return NULL; - } - else if (MOD_RESULT == 0) - { - if (*Ptr->key) - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnCheckKey,OnCheckKey(user, Ptr, key ? key : "")); - if (!MOD_RESULT) - { - if (!key) - { - log(DEBUG,"add_channel: no key given in JOIN"); - WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name); - return NULL; - } - else - { - if (strcasecmp(key,Ptr->key)) - { - log(DEBUG,"add_channel: bad key given in JOIN"); - WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name); - return NULL; - } - } - } - } - if (Ptr->binarymodes & CM_INVITEONLY) - { +CUList* chanrec::GetOppedUsers() +{ + return &internal_op_userlist; +} + +CUList* chanrec::GetHalfoppedUsers() +{ + return &internal_halfop_userlist; +} + +CUList* chanrec::GetVoicedUsers() +{ + return &internal_voice_userlist; +} + +/* + * add a channel to a user, creating the record for it if needed and linking + * it to the user record + */ +chanrec* chanrec::JoinUser(InspIRCd* Instance, userrec *user, const char* cn, bool override, const char* key) +{ + if (!user || !cn) + return NULL; + + bool new_channel = false; + char cname[MAXBUF]; + int MOD_RESULT = 0; + strlcpy(cname,cn,CHANMAX); + + std::string privs; + + chanrec* Ptr = Instance->FindChan(cname); + + if (!Ptr) + { + privs = "@"; + + if (IS_LOCAL(user) && override == false) + { + MOD_RESULT = 0; + FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,NULL,cname,privs)); + if (MOD_RESULT == 1) + return NULL; + } + + /* create a new one */ + Ptr = new chanrec(Instance); + Instance->chanlist[cname] = Ptr; + + strlcpy(Ptr->name, cname,CHANMAX); + + /* As spotted by jilles, dont bother to set this on remote users */ + if (IS_LOCAL(user)) + Ptr->modes[CM_TOPICLOCK] = Ptr->modes[CM_NOEXTERNAL] = 1; + + Ptr->created = Instance->Time(); + *Ptr->topic = 0; + *Ptr->setby = 0; + Ptr->topicset = 0; + Instance->Log(DEBUG,"chanrec::JoinUser(): created: %s",cname); + new_channel = true; + } + 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) + { + MOD_RESULT = 0; + FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,Ptr,cname,privs)); + if (MOD_RESULT == 1) + { + 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->WriteServ("475 %s %s :Cannot join channel (Incorrect channel key)",user->nick, Ptr->name); + return NULL; + } + } + } + if (Ptr->modes[CM_INVITEONLY]) + { MOD_RESULT = 0; irc::string xname(Ptr->name); - FOREACH_RESULT(I_OnCheckInvite,OnCheckInvite(user, Ptr)); - if (!MOD_RESULT) - { - log(DEBUG,"add_channel: channel is +i"); - if (user->IsInvited(xname)) - { - /* user was invited to channel */ - /* there may be an optional channel NOTICE here */ - } - else - { - WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name); - return NULL; - } - } - user->RemoveInvite(xname); - } - if (Ptr->limit) - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnCheckLimit,OnCheckLimit(user, Ptr)); - if (!MOD_RESULT) - { - if (usercount(Ptr) >= Ptr->limit) - { - WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name); - return NULL; - } - } - } - if (Ptr->bans.size()) - { - log(DEBUG,"add_channel: about to walk banlist"); - MOD_RESULT = 0; - FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, Ptr)); - if (!MOD_RESULT) - { - for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++) - { - if ((match(user->GetFullHost(),i->data)) || (match(user->GetFullRealHost(),i->data)) || (match((char*)inet_ntoa(user->ip4),i->data))) - { - WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name); - return NULL; - } - } - } - } - } - } - else - { - log(DEBUG,"Overridden checks"); - } - created = 1; - } - - log(DEBUG,"Passed channel checks"); - - for (unsigned int index =0; index < user->chans.size(); index++) - { - if (user->chans[index].channel == NULL) - { - return ForceChan(Ptr,user->chans[index],user,created); - } - } - /* XXX: If the user is an oper here, we can just extend their user->chans vector by one - * and put the channel in here. Same for remote users which are not bound by - * the channel limits. Otherwise, nope, youre boned. - */ - if (user->fd < 0) - { - ucrec a; - chanrec* c = ForceChan(Ptr,a,user,created); - user->chans.push_back(a); - return c; - } - else if (strchr(user->modes,'o')) - { - /* Oper allows extension up to the OPERMAXCHANS value */ - if (user->chans.size() < OPERMAXCHANS) - { - ucrec a; - chanrec* c = ForceChan(Ptr,a,user,created); - user->chans.push_back(a); - return c; - } - } - log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname); - WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname); - return NULL; -} - -chanrec* ForceChan(chanrec* Ptr,ucrec &a,userrec* user, int created) -{ - if (created == 2) - { - /* first user in is given ops */ - a.uc_modes = UCMODE_OP; - Ptr->AddOppedUser((char*)user); - } - else - { - a.uc_modes = 0; - } - a.channel = Ptr; - Ptr->AddUser((char*)user); - WriteChannel(Ptr,user,"JOIN :%s",Ptr->name); - log(DEBUG,"Sent JOIN to client"); - if (Ptr->topicset) - { - WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic); - WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset); - } - userlist(user,Ptr); - WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name); - FOREACH_MOD(I_OnUserJoin,OnUserJoin(user,Ptr)); - return Ptr; -} - -/* remove a channel from a users record, and remove the record from memory - * if the channel has become empty */ - -chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local) -{ - if ((!user) || (!cname)) - { - log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter"); - return NULL; - } - - chanrec* Ptr = FindChan(cname); - - if (!Ptr) - return NULL; - - log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name); - - for (unsigned int i =0; i < user->chans.size(); i++) - { - /* zap it from the channel list of the user */ - if (user->chans[i].channel == Ptr) - { - if (reason) - { - FOREACH_MOD(I_OnUserPart,OnUserPart(user,Ptr,reason)); - WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason); - } - else - { - FOREACH_MOD(I_OnUserPart,OnUserPart(user,Ptr,"")); - WriteChannel(Ptr,user,"PART :%s",Ptr->name); - } - user->chans[i].uc_modes = 0; - user->chans[i].channel = NULL; - log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name); - break; - } - } - - Ptr->DelUser((char*)user); - - /* if there are no users left on the channel */ - if (!usercount(Ptr)) - { - chan_hash::iterator iter = chanlist.find(Ptr->name); - - log(DEBUG,"del_channel: destroying channel: %s",Ptr->name); - - /* kill the record */ - if (iter != chanlist.end()) - { - log(DEBUG,"del_channel: destroyed: %s",Ptr->name); - FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(Ptr)); - delete Ptr; - chanlist.erase(iter); - } - } - - return NULL; -} - -void server_kick_channel(userrec* user, chanrec* Ptr, char* reason, bool triggerevents) -{ - if ((!user) || (!Ptr) || (!reason)) + FOREACH_RESULT_I(Instance,I_OnCheckInvite,OnCheckInvite(user, Ptr)); + if (!MOD_RESULT) + { + if (user->IsInvited(xname)) + { + /* user was invited to channel */ + /* there may be an optional channel NOTICE here */ + } + else + { + user->WriteServ("473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name); + return NULL; + } + } + user->RemoveInvite(xname); + } + if (Ptr->limit) + { + MOD_RESULT = 0; + FOREACH_RESULT_I(Instance,I_OnCheckLimit,OnCheckLimit(user, Ptr)); + if (!MOD_RESULT) + { + if (Ptr->GetUserCounter() >= Ptr->limit) + { + user->WriteServ("471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name); + return NULL; + } + } + } + if (Ptr->bans.size()) + { + if (Ptr->IsBanned(user)) + { + user->WriteServ("474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name); + return NULL; + } + } + } + } + else + { + Instance->Log(DEBUG,"chanrec::JoinUser(): Overridden checks"); + } + } + + for (UserChanList::const_iterator index = user->chans.begin(); index != user->chans.end(); index++) { - return; + if ((*index)->channel == NULL) + { + return chanrec::ForceChan(Instance, Ptr, *index, user, privs); + } } + /* + * XXX: If the user is an oper here, we can just extend their user->chans vector by one + * and put the channel in here. Same for remote users which are not bound by + * the channel limits. Otherwise, nope, youre boned. + */ + if (!IS_LOCAL(user) || override == true) /* was a check on fd < 0 */ + { + ucrec* a = new ucrec(); + chanrec* c = chanrec::ForceChan(Instance, Ptr, a, user, privs); + user->chans.push_back(a); + return c; + } + else if (*user->oper) + { + /* Oper allows extension up to the OPERMAXCHANS value */ + if (user->chans.size() < OPERMAXCHANS) + { + ucrec* a = new ucrec(); + chanrec* c = chanrec::ForceChan(Instance, Ptr, a, user, privs); + user->chans.push_back(a); + return c; + } + } + + user->WriteServ("405 %s %s :You are on too many channels",user->nick, cname); + + if (new_channel) + { + Instance->Log(DEBUG,"BLAMMO, Whacking channel."); + /* Things went seriously pear shaped, so take this away. bwahaha. */ + chan_hash::iterator n = Instance->chanlist.find(cname); + if (n != Instance->chanlist.end()) + { + Ptr->DelUser(user); + DELETE(Ptr); + Instance->chanlist.erase(n); + for (unsigned int index =0; index < user->chans.size(); index++) + { + if (user->chans[index]->channel == Ptr) + { + user->chans[index]->channel = NULL; + user->chans[index]->uc_modes = 0; + } + } + } + } + else + { + for (unsigned int index =0; index < user->chans.size(); index++) + { + if (user->chans[index]->channel == Ptr) + { + user->chans[index]->channel = NULL; + user->chans[index]->uc_modes = 0; + } + } + } + return NULL; +} + +chanrec* chanrec::ForceChan(InspIRCd* Instance, chanrec* Ptr,ucrec *a,userrec* user, const std::string &privs) +{ + userrec* dummyuser = new userrec(Instance); + std::string nick = user->nick; + + a->uc_modes = 0; + dummyuser->SetFd(FD_MAGIC_NUMBER); + + a->channel = Ptr; + Ptr->AddUser(user); + user->ModChannelCount(1); + + for (std::string::const_iterator x = privs.begin(); x != privs.end(); x++) + { + const char status = *x; + ModeHandler* mh = Instance->Modes->FindPrefix(status); + if (mh) + { + Ptr->SetPrefix(user, status, mh->GetPrefixRank(), true); + /* Make sure that the mode handler knows this mode was now set */ + mh->OnModeChange(dummyuser, dummyuser, Ptr, nick, true); + } + } + + delete dummyuser; + + 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 (!has_channel(user,Ptr)) + if (Ptr->topicset) + { + user->WriteServ("332 %s %s :%s", user->nick, Ptr->name, Ptr->topic); + user->WriteServ("333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset); + } + Ptr->UserList(user); + } + FOREACH_MOD_I(Instance,I_OnUserJoin,OnUserJoin(user,Ptr)); + FOREACH_MOD_I(Instance,I_OnPostJoin,OnPostJoin(user,Ptr)); + return Ptr; +} + +bool chanrec::IsBanned(userrec* user) +{ + char mask[MAXBUF]; + int MOD_RESULT = 0; + FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, this)); + if (!MOD_RESULT) + { + snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString()); + for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++) + { + /* 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 true; + } + } + } + return false; +} + +/* chanrec::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 chanrec. + */ +long chanrec::PartUser(userrec *user, const char* reason) +{ + if (!user) + return this->GetUserCounter(); + + for (unsigned int i =0; i < user->chans.size(); i++) + { + /* zap it from the channel list of the user */ + if (user->chans[i]->channel == this) + { + FOREACH_MOD(I_OnUserPart,OnUserPart(user, this, reason ? reason : "")); + this->WriteChannel(user, "PART %s%s%s", this->name, reason ? " :" : "", reason ? reason : ""); + user->chans[i]->uc_modes = 0; + user->chans[i]->channel = NULL; + user->ModChannelCount(-1); + this->RemoveAllPrefixes(user); + break; + } + } + + 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()) + { + ServerInstance->Log(DEBUG,"del_channel: destroyed: %s", this->name); + FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this)); + ServerInstance->chanlist.erase(iter); + } + return 0; + } + + return this->GetUserCounter(); +} + +long chanrec::ServerKickUser(userrec* user, const char* reason, bool triggerevents) +{ + if (!user || !reason) + return this->GetUserCounter(); + + if (IS_LOCAL(user)) + { + if (!this->HasUser(user)) { /* Not on channel */ - return; + return this->GetUserCounter(); } } - + if (triggerevents) { - FOREACH_MOD(I_OnUserKick,OnUserKick(NULL,user,Ptr,reason)); + FOREACH_MOD(I_OnUserKick,OnUserKick(NULL,user,this,reason)); } for (unsigned int i =0; i < user->chans.size(); i++) { - if (user->chans[i].channel) - if (!strcasecmp(user->chans[i].channel->name,Ptr->name)) + if (user->chans[i]->channel == this) { - WriteChannelWithServ(Config->ServerName,Ptr,"KICK %s %s :%s",Ptr->name, user->nick, reason); - user->chans[i].uc_modes = 0; - user->chans[i].channel = NULL; + this->WriteChannelWithServ(ServerInstance->Config->ServerName, "KICK %s %s :%s", this->name, user->nick, reason); + user->chans[i]->uc_modes = 0; + user->chans[i]->channel = NULL; + this->RemoveAllPrefixes(user); break; } } - Ptr->DelUser((char*)user); + if (!this->DelUser(user)) + { + 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); + } + return 0; + } - if (!usercount(Ptr)) - { - chan_hash::iterator iter = chanlist.find(Ptr->name); - log(DEBUG,"del_channel: destroying channel: %s",Ptr->name); - /* kill the record */ - if (iter != chanlist.end()) - { - log(DEBUG,"del_channel: destroyed: %s",Ptr->name); - FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(Ptr)); - delete Ptr; - chanlist.erase(iter); - } - } + return this->GetUserCounter(); } -void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason) +long chanrec::KickUser(userrec *src, userrec *user, const char* reason) { - if ((!src) || (!user) || (!Ptr) || (!reason)) - { - log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter"); - return; - } - - log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick); + if (!src || !user || !reason) + return this->GetUserCounter(); if (IS_LOCAL(src)) { - if (!has_channel(user,Ptr)) - { - WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name); - return; - } - int MOD_RESULT = 0; + if (!this->HasUser(user)) + { + src->WriteServ("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->WriteServ("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 (!is_uline(src->server)) + if (!ServerInstance->ULine(src->server)) { MOD_RESULT = 0; - FOREACH_RESULT(I_OnUserPreKick,OnUserPreKick(src,user,Ptr,reason)); + FOREACH_RESULT(I_OnUserPreKick,OnUserPreKick(src,user,this,reason)); if (MOD_RESULT == 1) - return; + return this->GetUserCounter(); } /* Set to -1 by OnUserPreKick if explicit allow was set */ if (MOD_RESULT != -1) { - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(src,user,Ptr,AC_KICK)); - if ((MOD_RESULT == ACR_DENY) && (!is_uline(src->server))) - return; + 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->WriteServ("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)); + + for (UserChanList::const_iterator i = user->chans.begin(); i != user->chans.end(); i++) + { + /* zap it from the channel list of the user */ + if ((*i)->channel == this) + { + this->WriteChannel(src, "KICK %s %s :%s", this->name, user->nick, reason); + (*i)->uc_modes = 0; + (*i)->channel = NULL; + this->RemoveAllPrefixes(user); + break; + } + } + + 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()) + { + FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this)); + ServerInstance->chanlist.erase(iter); + } + return 0; + } + + return this->GetUserCounter(); +} + +void chanrec::WriteChannel(userrec* user, 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 chanrec::WriteChannel(userrec* user, const std::string &text) +{ + CUList *ulist = this->GetUsers(); + + if (!user) + return; + + for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + { + if (IS_LOCAL(i->second)) + user->WriteTo(i->second,text); + } +} + +void chanrec::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 chanrec::WriteChannelWithServ(const char* ServName, const std::string &text) +{ + CUList *ulist = this->GetUsers(); + + for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + { + if (IS_LOCAL(i->second)) + i->second->WriteServ(text); + } +} + +/* write formatted text from a source user to all users on a channel except + * for the sender (for privmsg etc) */ +void chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, 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 chanrec::WriteAllExcept(userrec* user, bool serversource, char status, CUList &except_list, 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 chanrec::WriteAllExcept(userrec* user, bool serversource, char status, CUList &except_list, const std::string &text) +{ + CUList *ulist; + + switch (status) + { + case '@': + ulist = this->GetOppedUsers(); + break; + case '%': + ulist = this->GetHalfoppedUsers(); + break; + case '+': + ulist = this->GetVoicedUsers(); + break; + default: + ulist = this->GetUsers(); + break; + } + + for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + { + if ((IS_LOCAL(i->second)) && (except_list.find(i->second) == except_list.end())) + { + if (serversource) + i->second->WriteServ(text); + else + i->second->WriteFrom(user,text); + } + } +} + +void chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, const std::string& text) +{ + CUList except_list; + except_list[user] = 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 chanrec::CountInvisible() +{ + int count = 0; + CUList *ulist= this->GetUsers(); + for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + { + if (!(i->second->modes[UM_INVISIBLE])) + count++; + } + + return count; +} + +char* chanrec::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, chanrec::modes is only 64 elements -- Om */ + for(int n = 0; n < 64; n++) + { + if(this->modes[n]) + { + *offset++ = n + 65; + extparam = ""; + switch (n) + { + case CM_KEY: + extparam = (showkey ? this->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 != "") + { + 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 chanrec::UserList(userrec *user) +{ + char list[MAXBUF]; + size_t dlen, curlen; + int MOD_RESULT = 0; + + if (!IS_LOCAL(user)) + return; + + FOREACH_RESULT(I_OnUserList,OnUserList(user, this)); + ServerInstance->Log(DEBUG,"MOD_RESULT for UserList = %d",MOD_RESULT); + if (MOD_RESULT == 1) + return; + + ServerInstance->Log(DEBUG,"Using builtin NAMES list generation"); + + dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name); + + int numusers = 0; + char* ptr = list + dlen; + + CUList *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->second->modes[UM_INVISIBLE])) + { + /* + * user is +i, and source not on the channel, does not show + * nick in NAMES list + */ + continue; + } + + size_t ptrlen = snprintf(ptr, MAXBUF, "%s%s ", this->GetPrefixChar(i->second), i->second->nick); + + curlen += ptrlen; + ptr += ptrlen; + + numusers++; + + if (curlen > (480-NICKMAX)) + { + /* list overflowed into multiple numerics */ + user->WriteServ(std::string(list)); + + /* reset our lengths */ + dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name); + ptr = list + dlen; + + ptrlen = 0; + numusers = 0; + } + } + + /* if whats left in the list isnt empty, send it */ + if (numusers) + { + user->WriteServ(std::string(list)); + } + + user->WriteServ("366 %s %s :End of /NAMES list.", user->nick, this->name); +} + +long chanrec::GetMaxBans() +{ + for (std::map::iterator n = ServerInstance->Config->maxbans.begin(); n != ServerInstance->Config->maxbans.end(); n++) + { + if (match(this->name,n->first.c_str())) + { + return n->second; + } + } + return 64; +} + + +/* 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* chanrec::GetPrefixChar(userrec *user) +{ + static char pf[2] = {0, 0}; - if ((MOD_RESULT == ACR_DEFAULT) || (!is_uline(src->server))) - { - if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr))) - { - if (cstatus(src,Ptr) == STATUS_HOP) - { - WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name); - } - else - { - WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name); - } - - return; - } - } - } - } - - FOREACH_MOD(I_OnUserKick,OnUserKick(src,user,Ptr,reason)); - - for (unsigned int i =0; i < user->chans.size(); i++) - { - /* zap it from the channel list of the user */ - if (user->chans[i].channel) - if (!strcasecmp(user->chans[i].channel->name,Ptr->name)) - { - WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason); - user->chans[i].uc_modes = 0; - user->chans[i].channel = NULL; - log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name); - break; - } - } - - Ptr->DelUser((char*)user); - - /* if there are no users left on the channel */ - if (!usercount(Ptr)) - { - chan_hash::iterator iter = chanlist.find(Ptr->name); - - log(DEBUG,"del_channel: destroying channel: %s",Ptr->name); - - /* kill the record */ - if (iter != chanlist.end()) - { - log(DEBUG,"del_channel: destroyed: %s",Ptr->name); - FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(Ptr)); - delete Ptr; - chanlist.erase(iter); - } - } + 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* chanrec::GetAllPrefixChars(userrec* user) +{ + static char prefix[MAXBUF]; + int ctr = 0; + *prefix = 0; + + prefixlist::iterator n = prefixes.find(user); + if (n != prefixes.end()) + { + for (std::vector::iterator x = n->second.begin(); x != n->second.end(); x++) + { + prefix[ctr++] = x->first; + } + } + + prefix[ctr] = 0; + + return prefix; } +unsigned int chanrec::GetPrefixValue(userrec* user) +{ + prefixlist::iterator n = prefixes.find(user); + if (n != prefixes.end()) + { + if (n->second.size()) + return n->second.begin()->second; + } + return 0; +} + + +int chanrec::GetStatusFlags(userrec *user) +{ + for (std::vector::const_iterator i = user->chans.begin(); i != user->chans.end(); i++) + { + if ((*i)->channel == this) + { + return (*i)->uc_modes; + } + } + return 0; +} + + +int chanrec::GetStatus(userrec *user) +{ + if (ServerInstance->ULine(user->server)) + return STATUS_OP; + + for (std::vector::const_iterator i = user->chans.begin(); i != user->chans.end(); i++) + { + if ((*i)->channel == this) + { + if (((*i)->uc_modes & UCMODE_OP) > 0) + { + return STATUS_OP; + } + if (((*i)->uc_modes & UCMODE_HOP) > 0) + { + return STATUS_HOP; + } + if (((*i)->uc_modes & UCMODE_VOICE) > 0) + { + return STATUS_VOICE; + } + return STATUS_NORMAL; + } + } + return STATUS_NORMAL; +} + +void chanrec::SetPrefix(userrec* 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, 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); + } + } + ServerInstance->Log(DEBUG,"Added prefix %c to %s for %s, prefixlist size is now %d", prefix, this->name, user->nick, prefixes.size()); +} + +void chanrec::RemoveAllPrefixes(userrec* user) +{ + prefixlist::iterator n = prefixes.find(user); + if (n != prefixes.end()) + { + ServerInstance->Log(DEBUG,"Removed prefixes from %s for %s, prefixlist size is now %d", this->name, user->nick, prefixes.size()); + prefixes.erase(n); + } +}