diff options
Diffstat (limited to 'src/channels.cpp')
| -rw-r--r-- | src/channels.cpp | 1068 |
1 files changed, 1 insertions, 1067 deletions
diff --git a/src/channels.cpp b/src/channels.cpp index b44a863b4..74543925e 100644 --- a/src/channels.cpp +++ b/src/channels.cpp @@ -1,1067 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 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. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include <stdarg.h> -#include "configreader.h" -#include "users.h" -#include "modules.h" -#include "wildcard.h" -#include "mode.h" - -chanrec::chanrec(InspIRCd* Instance) : ServerInstance(Instance) -{ - *name = *topic = *setby = *key = 0; - maxbans = created = topicset = limit = 0; - memset(&modes,0,64); - age = ServerInstance->Time(true); -} - -void chanrec::SetMode(char mode,bool mode_on) -{ - modes[mode-65] = mode_on; - if (!mode_on) - this->SetModeParam(mode,"",false); -} - - -void chanrec::SetModeParam(char mode,const char* parameter,bool mode_on) -{ - CustomModeList::iterator n = custom_mode_params.find(mode); - - 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); - } - } -} - -bool chanrec::IsModeSet(char mode) -{ - return modes[mode-65]; -} - -std::string chanrec::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; - } -} - -long chanrec::GetUserCounter() -{ - return (this->internal_userlist.size()); -} - -void chanrec::AddUser(userrec* user) -{ - internal_userlist[user] = user->nick; -} - -unsigned long chanrec::DelUser(userrec* user) -{ - 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); - } - - return internal_userlist.size(); -} - -bool chanrec::HasUser(userrec* user) -{ - return (internal_userlist.find(user) != internal_userlist.end()); -} - -void chanrec::AddOppedUser(userrec* user) -{ - internal_op_userlist[user] = user->nick; -} - -void chanrec::DelOppedUser(userrec* user) -{ - CUListIter a = internal_op_userlist.find(user); - if (a != internal_op_userlist.end()) - { - internal_op_userlist.erase(a); - return; - } -} - -void chanrec::AddHalfoppedUser(userrec* user) -{ - internal_halfop_userlist[user] = user->nick; -} - -void chanrec::DelHalfoppedUser(userrec* user) -{ - CUListIter a = internal_halfop_userlist.find(user); - - if (a != internal_halfop_userlist.end()) - { - internal_halfop_userlist.erase(a); - } -} - -void chanrec::AddVoicedUser(userrec* user) -{ - internal_voice_userlist[user] = user->nick; -} - -void chanrec::DelVoicedUser(userrec* user) -{ - CUListIter a = internal_voice_userlist.find(user); - - if (a != internal_voice_userlist.end()) - { - internal_voice_userlist.erase(a); - } -} - -CUList* chanrec::GetUsers() -{ - return &internal_userlist; -} - -CUList* chanrec::GetOppedUsers() -{ - return &internal_op_userlist; -} - -CUList* chanrec::GetHalfoppedUsers() -{ - return &internal_halfop_userlist; -} - -CUList* chanrec::GetVoicedUsers() -{ - return &internal_voice_userlist; -} - -void chanrec::SetDefaultModes() -{ - irc::spacesepstream list(ServerInstance->Config->DefaultModes); - std::string modeseq = list.GetToken(); - std::string parameter; - userrec* dummyuser = new userrec(ServerInstance); - dummyuser->SetFd(FD_MAGIC_NUMBER); - - 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)) - parameter = list.GetToken().c_str(); - else - parameter.clear(); - - mode->OnModeChange(dummyuser, dummyuser, this, parameter, true); - } - } - - delete dummyuser; -} - -/* - * 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, time_t TS) -{ - 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) - { - if ((!IS_LOCAL(user)) && (!TS)) - Instance->Log(DEBUG,"*** BUG *** chanrec::JoinUser called for REMOTE user '%s' on channel '%s' but no TS given!", user->nick, cn); - - 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->SetDefaultModes(); - - Ptr->created = TS ? TS : Instance->Time(); - Ptr->age = Ptr->created; - *Ptr->topic = 0; - *Ptr->setby = 0; - Ptr->topicset = 0; - 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; - FOREACH_RESULT_I(Instance,I_OnCheckInvite,OnCheckInvite(user, Ptr)); - if (!MOD_RESULT) - { - if (user->IsInvited(Ptr->name)) - { - /* 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(Ptr->name); - } - 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; - } - } - } - } - } - - /* NOTE: If the user is an oper here, we can extend their user->chans by up to - * OperMaxchans. For remote users which are not bound by the channel limits, - * we can extend infinitely. Otherwise, nope, youre restricted to MaxChans. - */ - if (!IS_LOCAL(user) || override == true) - { - return chanrec::ForceChan(Instance, Ptr, user, privs); - } - else if (IS_OPER(user)) - { - /* Oper allows extension up to the OperMaxchans value */ - if (user->chans.size() < Instance->Config->OperMaxChans) - { - return chanrec::ForceChan(Instance, Ptr, user, privs); - } - } - else if (user->chans.size() < Instance->Config->MaxChans) - { - return chanrec::ForceChan(Instance, Ptr, user, privs); - } - - - user->WriteServ("405 %s %s :You are on too many channels",user->nick, cname); - - if (new_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); - } - } - - return NULL; -} - -chanrec* chanrec::ForceChan(InspIRCd* Instance, chanrec* Ptr, userrec* user, const std::string &privs) -{ - userrec* dummyuser = new userrec(Instance); - std::string nick = user->nick; - bool silent = false; - - dummyuser->SetFd(FD_MAGIC_NUMBER); - 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) - { - 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); - - 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; - } - } - } - - delete dummyuser; - - FOREACH_MOD_I(Instance,I_OnUserJoin,OnUserJoin(user, Ptr, 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->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_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) -{ - 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()) - { - 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) -{ - bool silent = false; - - if (!user || !reason) - return this->GetUserCounter(); - - if (IS_LOCAL(user)) - { - if (!this->HasUser(user)) - { - /* Not on channel */ - return this->GetUserCounter(); - } - } - - 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(ServerInstance->Config->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()) - { - FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this)); - ServerInstance->chanlist->erase(iter); - } - return 0; - } - - return this->GetUserCounter(); -} - -long chanrec::KickUser(userrec *src, userrec *user, const char* reason) -{ - bool silent = false; - - if (!src || !user || !reason) - return this->GetUserCounter(); - - if (IS_LOCAL(src)) - { - 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 (!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->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, 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()) - { - 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(); - 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 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(); - 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 (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 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; - char tb[MAXBUF]; - - switch (status) - { - case '@': - ulist = this->GetOppedUsers(); - break; - case '%': - ulist = this->GetHalfoppedUsers(); - break; - case '+': - ulist = this->GetVoicedUsers(); - break; - default: - ulist = this->GetUsers(); - break; - } - - 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())) - { - if (serversource) - i->first->WriteServ(text); - else - i->first->Write(out); - } - } -} - -void chanrec::WriteAllExceptSender(userrec* 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 chanrec::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* 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.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 chanrec::UserList(userrec *user, CUList *ulist) -{ - char list[MAXBUF]; - size_t dlen, curlen; - int MOD_RESULT = 0; - - if (!IS_LOCAL(user)) - return; - - FOREACH_RESULT(I_OnUserList,OnUserList(user, this, ulist)); - if (MOD_RESULT == 1) - return; - - dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, 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->modes[UM_INVISIBLE])) - { - /* - * 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; - - size_t ptrlen = snprintf(ptr, MAXBUF, "%s%s ", this->GetPrefixChar(i->first), i->second.c_str()); - /* OnUserList can change this - reset it back to normal */ - i->second = i->first->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() -{ - /* 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.c_str())) - { - this->maxbans = n->second; - return n->second; - } - } - - /* Screw it, just return the default of 64 */ - this->maxbans = 64; - return this->maxbans; -} - -void chanrec::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* chanrec::GetPrefixChar(userrec *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* 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<prefixtype>::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) -{ - UCListIter i = user->chans.find(this); - if (i != user->chans.end()) - { - return i->second; - } - return 0; -} - -int chanrec::GetStatus(userrec *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 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<userrec*,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 chanrec::RemoveAllPrefixes(userrec* user) -{ - prefixlist::iterator n = prefixes.find(user); - if (n != prefixes.end()) - { - prefixes.erase(n); - } -} - +/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 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.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include <stdarg.h>
#include "configreader.h"
#include "users.h"
#include "modules.h"
#include "wildcard.h"
#include "mode.h"
chanrec::chanrec(InspIRCd* Instance) : ServerInstance(Instance)
{
*name = *topic = *setby = *key = 0;
maxbans = created = topicset = limit = 0;
memset(&modes,0,64);
age = ServerInstance->Time(true);
}
void chanrec::SetMode(char mode,bool mode_on)
{
modes[mode-65] = mode_on;
if (!mode_on)
this->SetModeParam(mode,"",false);
}
void chanrec::SetModeParam(char mode,const char* parameter,bool mode_on)
{
CustomModeList::iterator n = custom_mode_params.find(mode);
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);
}
}
}
bool chanrec::IsModeSet(char mode)
{
return modes[mode-65];
}
std::string chanrec::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;
}
}
long chanrec::GetUserCounter()
{
return (this->internal_userlist.size());
}
void chanrec::AddUser(userrec* user)
{
internal_userlist[user] = user->nick;
}
unsigned long chanrec::DelUser(userrec* user)
{
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);
}
return internal_userlist.size();
}
bool chanrec::HasUser(userrec* user)
{
return (internal_userlist.find(user) != internal_userlist.end());
}
void chanrec::AddOppedUser(userrec* user)
{
internal_op_userlist[user] = user->nick;
}
void chanrec::DelOppedUser(userrec* user)
{
CUListIter a = internal_op_userlist.find(user);
if (a != internal_op_userlist.end())
{
internal_op_userlist.erase(a);
return;
}
}
void chanrec::AddHalfoppedUser(userrec* user)
{
internal_halfop_userlist[user] = user->nick;
}
void chanrec::DelHalfoppedUser(userrec* user)
{
CUListIter a = internal_halfop_userlist.find(user);
if (a != internal_halfop_userlist.end())
{
internal_halfop_userlist.erase(a);
}
}
void chanrec::AddVoicedUser(userrec* user)
{
internal_voice_userlist[user] = user->nick;
}
void chanrec::DelVoicedUser(userrec* user)
{
CUListIter a = internal_voice_userlist.find(user);
if (a != internal_voice_userlist.end())
{
internal_voice_userlist.erase(a);
}
}
CUList* chanrec::GetUsers()
{
return &internal_userlist;
}
CUList* chanrec::GetOppedUsers()
{
return &internal_op_userlist;
}
CUList* chanrec::GetHalfoppedUsers()
{
return &internal_halfop_userlist;
}
CUList* chanrec::GetVoicedUsers()
{
return &internal_voice_userlist;
}
void chanrec::SetDefaultModes()
{
irc::spacesepstream list(ServerInstance->Config->DefaultModes);
std::string modeseq = list.GetToken();
std::string parameter;
userrec* dummyuser = new userrec(ServerInstance);
dummyuser->SetFd(FD_MAGIC_NUMBER);
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))
parameter = list.GetToken().c_str();
else
parameter.clear();
mode->OnModeChange(dummyuser, dummyuser, this, parameter, true);
}
}
delete dummyuser;
}
/*
* 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, time_t TS)
{
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)
{
if ((!IS_LOCAL(user)) && (!TS))
Instance->Log(DEBUG,"*** BUG *** chanrec::JoinUser called for REMOTE user '%s' on channel '%s' but no TS given!", user->nick, cn);
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->SetDefaultModes();
Ptr->created = TS ? TS : Instance->Time();
Ptr->age = Ptr->created;
*Ptr->topic = 0;
*Ptr->setby = 0;
Ptr->topicset = 0;
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;
FOREACH_RESULT_I(Instance,I_OnCheckInvite,OnCheckInvite(user, Ptr));
if (!MOD_RESULT)
{
if (user->IsInvited(Ptr->name))
{
/* 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(Ptr->name);
}
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;
}
}
}
}
}
/* NOTE: If the user is an oper here, we can extend their user->chans by up to
* OperMaxchans. For remote users which are not bound by the channel limits,
* we can extend infinitely. Otherwise, nope, youre restricted to MaxChans.
*/
if (!IS_LOCAL(user) || override == true)
{
return chanrec::ForceChan(Instance, Ptr, user, privs);
}
else if (IS_OPER(user))
{
/* Oper allows extension up to the OperMaxchans value */
if (user->chans.size() < Instance->Config->OperMaxChans)
{
return chanrec::ForceChan(Instance, Ptr, user, privs);
}
}
else if (user->chans.size() < Instance->Config->MaxChans)
{
return chanrec::ForceChan(Instance, Ptr, user, privs);
}
user->WriteServ("405 %s %s :You are on too many channels",user->nick, cname);
if (new_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);
}
}
return NULL;
}
chanrec* chanrec::ForceChan(InspIRCd* Instance, chanrec* Ptr, userrec* user, const std::string &privs)
{
userrec* dummyuser = new userrec(Instance);
std::string nick = user->nick;
bool silent = false;
dummyuser->SetFd(FD_MAGIC_NUMBER);
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)
{
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);
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;
}
}
}
delete dummyuser;
FOREACH_MOD_I(Instance,I_OnUserJoin,OnUserJoin(user, Ptr, 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->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_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)
{
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())
{
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)
{
bool silent = false;
if (!user || !reason)
return this->GetUserCounter();
if (IS_LOCAL(user))
{
if (!this->HasUser(user))
{
/* Not on channel */
return this->GetUserCounter();
}
}
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(ServerInstance->Config->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())
{
FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
ServerInstance->chanlist->erase(iter);
}
return 0;
}
return this->GetUserCounter();
}
long chanrec::KickUser(userrec *src, userrec *user, const char* reason)
{
bool silent = false;
if (!src || !user || !reason)
return this->GetUserCounter();
if (IS_LOCAL(src))
{
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 (!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->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, 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())
{
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();
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 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();
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 (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 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;
char tb[MAXBUF];
switch (status)
{
case '@':
ulist = this->GetOppedUsers();
break;
case '%':
ulist = this->GetHalfoppedUsers();
break;
case '+':
ulist = this->GetVoicedUsers();
break;
default:
ulist = this->GetUsers();
break;
}
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()))
{
if (serversource)
i->first->WriteServ(text);
else
i->first->Write(out);
}
}
}
void chanrec::WriteAllExceptSender(userrec* 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 chanrec::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* 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.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 chanrec::UserList(userrec *user, CUList *ulist)
{
char list[MAXBUF];
size_t dlen, curlen;
int MOD_RESULT = 0;
if (!IS_LOCAL(user))
return;
FOREACH_RESULT(I_OnUserList,OnUserList(user, this, ulist));
if (MOD_RESULT == 1)
return;
dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, 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->modes[UM_INVISIBLE]))
{
/*
* 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;
size_t ptrlen = snprintf(ptr, MAXBUF, "%s%s ", this->GetPrefixChar(i->first), i->second.c_str());
/* OnUserList can change this - reset it back to normal */
i->second = i->first->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()
{
/* 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.c_str()))
{
this->maxbans = n->second;
return n->second;
}
}
/* Screw it, just return the default of 64 */
this->maxbans = 64;
return this->maxbans;
}
void chanrec::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* chanrec::GetPrefixChar(userrec *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* 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<prefixtype>::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)
{
UCListIter i = user->chans.find(this);
if (i != user->chans.end())
{
return i->second;
}
return 0;
}
int chanrec::GetStatus(userrec *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 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<userrec*,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 chanrec::RemoveAllPrefixes(userrec* user)
{
prefixlist::iterator n = prefixes.find(user);
if (n != prefixes.end())
{
prefixes.erase(n);
}
}
\ No newline at end of file |