X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusermanager.cpp;h=da8061fba630e2e122357365f486251f01744202;hb=c71801ebc4577b19e604c0d91a95fdcfe5250cc9;hp=c980e0eb34a3d926e03a47a27855e2fddadb84d0;hpb=2620d1258c6a2c249b9503a7c4a764e26a2da0f3;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/usermanager.cpp b/src/usermanager.cpp index c980e0eb3..da8061fba 100644 --- a/src/usermanager.cpp +++ b/src/usermanager.cpp @@ -2,8 +2,8 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd: (C) 2002-2008 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * InspIRCd: (C) 2002-2009 InspIRCd Development Team + * See: http://wiki.inspircd.org/Credits * * This program is free but copyrighted software; see * the file COPYING for details. @@ -11,14 +11,14 @@ * --------------------------------------------------- */ -/* $Core: libIRCDusermanager */ +/* $Core */ #include "inspircd.h" #include "xline.h" #include "bancache.h" /* add a client connection to the sockets list */ -void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip) +void UserManager::AddUser(InspIRCd* Instance, int socket, int port, bool iscached, sockaddr* ip, const std::string &targetip) { /* NOTE: Calling this one parameter constructor for User automatically * allocates a new UUID and places it in the hash_map. @@ -30,46 +30,56 @@ void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscac } catch (...) { - Instance->Log(DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed."); - Instance->WriteOpers("*** WARNING *** Duplicate UUID allocated!"); + Instance->Logs->Log("USERS", DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed."); + Instance->SNO->WriteToSnoMask('a', "WARNING *** Duplicate UUID allocated!"); return; } - Instance->Log(DEBUG,"New user fd: %d", socket); - - int j = 0; - - Instance->unregistered_count++; - char ipaddr[MAXBUF]; #ifdef IPV6 - if (socketfamily == AF_INET6) + if (ip->sa_family == AF_INET6) inet_ntop(AF_INET6, &((const sockaddr_in6*)ip)->sin6_addr, ipaddr, sizeof(ipaddr)); else #endif - inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr)); + inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr)); + + New->SetFd(socket); + New->SetSockAddr(ip->sa_family, ipaddr, port); + + /* Give each of the modules an attempt to hook the user for I/O */ + FOREACH_MOD_I(Instance, I_OnHookUserIO, OnHookUserIO(New, targetip)); + + if (New->GetIOHook()) + { + try + { + New->GetIOHook()->OnRawSocketAccept(socket, ipaddr, port); + } + catch (CoreException& modexcept) + { + ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); + } + } + + Instance->Logs->Log("USERS", DEBUG,"New user fd: %d", socket); + + this->unregistered_count++; - (*(Instance->clientlist))[New->uuid] = New; + (*(this->clientlist))[New->uuid] = New; /* The users default nick is their UUID */ - strlcpy(New->nick, New->uuid, NICKMAX - 1); + New->nick.assign(New->uuid, 0, ServerInstance->Config->Limits.NickMax); New->server = Instance->FindServerNamePtr(Instance->Config->ServerName); - /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */ - strcpy(New->ident, "unknown"); + New->ident.assign("unknown"); New->registered = REG_NONE; New->signon = Instance->Time() + Instance->Config->dns_timeout; New->lastping = 1; - New->SetSockAddr(socketfamily, ipaddr, port); - - New->SetFd(socket); - /* Smarter than your average bear^H^H^H^Hset of strlcpys. */ - for (const char* temp = New->GetIPString(); *temp && j < 64; temp++, j++) - New->dhost[j] = New->host[j] = *temp; - New->dhost[j] = New->host[j] = 0; + New->dhost.assign(New->GetIPString(), 0, 64); + New->host.assign(New->GetIPString(), 0, 64); Instance->Users->AddLocalClone(New); Instance->Users->AddGlobalClone(New); @@ -82,7 +92,7 @@ void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscac if (!i) { - User::QuitUser(Instance, New, "Access denied by configuration"); + this->QuitUser(New, "Access denied by configuration"); return; } @@ -92,32 +102,15 @@ void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscac */ New->CheckClass(); - Instance->local_users.push_back(New); + this->local_users.push_back(New); - if ((Instance->local_users.size() > Instance->Config->SoftLimit) || (Instance->local_users.size() >= MAXCLIENTS)) + if ((this->local_users.size() > Instance->Config->SoftLimit) || (this->local_users.size() >= (unsigned int)Instance->SE->GetMaxFds())) { - Instance->WriteOpers("*** Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit); - User::QuitUser(Instance, New,"No more connections allowed"); + Instance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit); + this->QuitUser(New,"No more connections allowed"); return; } - /* - * XXX - - * this is done as a safety check to keep the file descriptors within range of fd_ref_table. - * its a pretty big but for the moment valid assumption: - * file descriptors are handed out starting at 0, and are recycled as theyre freed. - * therefore if there is ever an fd over 65535, 65536 clients must be connected to the - * irc server at once (or the irc server otherwise initiating this many connections, files etc) - * which for the time being is a physical impossibility (even the largest networks dont have more - * than about 10,000 users on ONE server!) - */ -#ifndef WINDOWS - if ((unsigned int)socket >= MAX_DESCRIPTORS) - { - User::QuitUser(Instance, New, "Server is full"); - return; - } -#endif /* * even with bancache, we still have to keep User::exempt current. * besides that, if we get a positive bancache hit, we still won't fuck @@ -130,15 +123,15 @@ void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscac if (!b->Type.empty() && !New->exempt) { /* user banned */ - Instance->Log(DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString()); + Instance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString()); if (*Instance->Config->MoronBanner) - New->WriteServ("NOTICE %s :*** %s", New->nick, Instance->Config->MoronBanner); - User::QuitUser(Instance, New, b->Reason); + New->WriteServ("NOTICE %s :*** %s", New->nick.c_str(), Instance->Config->MoronBanner); + this->QuitUser(New, b->Reason); return; } else { - Instance->Log(DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString()); + Instance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString()); } } else @@ -155,14 +148,11 @@ void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscac } } - if (socket > -1) - { - if (!Instance->SE->AddFd(New)) - { - Instance->Log(DEBUG,"Internal error on new connection"); - User::QuitUser(Instance, New, "Internal error handling connection"); - } - } + if (!Instance->SE->AddFd(New)) + { + Instance->Logs->Log("USERS", DEBUG,"Internal error on new connection"); + this->QuitUser(New, "Internal error handling connection"); + } /* NOTE: even if dns lookups are *off*, we still need to display this. * BOPM and other stuff requires it. @@ -171,6 +161,7 @@ void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscac if (Instance->Config->NoUserDns) { + New->WriteServ("NOTICE %s :*** Skipping host resolution (disabled by server administrator)", New->nick.c_str()); New->dns_done = true; } else @@ -179,27 +170,126 @@ void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscac } } +void UserManager::QuitUser(User *user, const std::string &quitreason, const char* operreason) +{ + if (user->quitting) + { + ServerInstance->Logs->Log("CULLLIST",DEBUG, "*** Warning *** - You tried to quit a user (%s) twice. Did your module call QuitUser twice?", user->nick.c_str()); + return; + } + + user->quitting = true; + + ServerInstance->Logs->Log("USERS", DEBUG, "QuitUser: %s '%s'", user->nick.c_str(), quitreason.c_str()); + user->Write("ERROR :Closing link: (%s@%s) [%s]", user->ident.c_str(), user->host.c_str(), *operreason ? operreason : quitreason.c_str()); + + user->quietquit = false; + user->quitmsg = quitreason; + + std::string reason; + std::string oper_reason; + reason.assign(quitreason, 0, ServerInstance->Config->Limits.MaxQuit); + if (!*operreason) + { + user->operquitmsg = quitreason; + oper_reason.assign(quitreason, 0, ServerInstance->Config->Limits.MaxQuit); + } + else + { + user->operquitmsg = operreason; + oper_reason.assign(operreason, 0, ServerInstance->Config->Limits.MaxQuit); + } + + ServerInstance->GlobalCulls.AddItem(user); + + if (user->registered == REG_ALL) + { + FOREACH_MOD_I(ServerInstance,I_OnUserQuit,OnUserQuit(user, reason, oper_reason)); + user->PurgeEmptyChannels(); + user->WriteCommonQuit(reason, oper_reason); + } + + FOREACH_MOD_I(ServerInstance,I_OnUserDisconnect,OnUserDisconnect(user)); + + // Move the user onto their UID, to allow nick to be reused immediately + user->UpdateNickHash(user->uuid.c_str()); +} + + void UserManager::AddLocalClone(User *user) { - clonemap::iterator x = local_clones.find(user->GetIPString()); + int range = 32; + clonemap::iterator x; + switch (user->GetProtocolFamily()) + { +#ifdef SUPPORT_IP6LINKS + case AF_INET6: + { + range = ServerInstance->Config->c_ipv6_range; + } + break; +#endif + case AF_INET: + { + range = ServerInstance->Config->c_ipv4_range; + } + break; + } + + x = local_clones.find(user->GetCIDRMask(range)); if (x != local_clones.end()) x->second++; else - local_clones[user->GetIPString()] = 1; + local_clones[user->GetCIDRMask(range)] = 1; } void UserManager::AddGlobalClone(User *user) { - clonemap::iterator y = global_clones.find(user->GetIPString()); - if (y != global_clones.end()) - y->second++; + int range = 32; + clonemap::iterator x; + switch (user->GetProtocolFamily()) + { +#ifdef SUPPORT_IP6LINKS + case AF_INET6: + { + range = ServerInstance->Config->c_ipv6_range; + } + break; +#endif + case AF_INET: + { + range = ServerInstance->Config->c_ipv4_range; + } + break; + } + + x = global_clones.find(user->GetCIDRMask(range)); + if (x != global_clones.end()) + x->second++; else - global_clones[user->GetIPString()] = 1; + global_clones[user->GetCIDRMask(range)] = 1; } void UserManager::RemoveCloneCounts(User *user) { - clonemap::iterator x = local_clones.find(user->GetIPString()); + int range = 32; + switch (user->GetProtocolFamily()) + { +#ifdef SUPPORT_IP6LINKS + case AF_INET6: + { + range = ServerInstance->Config->c_ipv6_range; + } + break; +#endif + case AF_INET: + { + range = ServerInstance->Config->c_ipv4_range; + } + break; + } + + clonemap::iterator x = local_clones.find(user->GetCIDRMask(range)); if (x != local_clones.end()) { x->second--; @@ -208,8 +298,8 @@ void UserManager::RemoveCloneCounts(User *user) local_clones.erase(x); } } - - clonemap::iterator y = global_clones.find(user->GetIPString()); + + clonemap::iterator y = global_clones.find(user->GetCIDRMask(range)); if (y != global_clones.end()) { y->second--; @@ -222,7 +312,23 @@ void UserManager::RemoveCloneCounts(User *user) unsigned long UserManager::GlobalCloneCount(User *user) { - clonemap::iterator x = global_clones.find(user->GetIPString()); + int range = 32; + switch (user->GetProtocolFamily()) + { +#ifdef SUPPORT_IP6LINKS + case AF_INET6: + { + range = ServerInstance->Config->c_ipv6_range; + } + break; +#endif + case AF_INET: + { + range = ServerInstance->Config->c_ipv4_range; + } + break; + } + clonemap::iterator x = global_clones.find(user->GetCIDRMask(range)); if (x != global_clones.end()) return x->second; else @@ -231,9 +337,176 @@ unsigned long UserManager::GlobalCloneCount(User *user) unsigned long UserManager::LocalCloneCount(User *user) { - clonemap::iterator x = local_clones.find(user->GetIPString()); + int range = 32; + switch (user->GetProtocolFamily()) + { +#ifdef SUPPORT_IP6LINKS + case AF_INET6: + { + range = ServerInstance->Config->c_ipv6_range; + } + break; +#endif + case AF_INET: + { + range = ServerInstance->Config->c_ipv4_range; + } + break; + } + clonemap::iterator x = local_clones.find(user->GetCIDRMask(range)); if (x != local_clones.end()) return x->second; else return 0; } + +/* this function counts all users connected, wether they are registered or NOT. */ +unsigned int UserManager::UserCount() +{ + /* + * XXX: Todo: + * As part of this restructuring, move clientlist/etc fields into usermanager. + * -- w00t + */ + return this->clientlist->size(); +} + +/* this counts only registered users, so that the percentages in /MAP don't mess up */ +unsigned int UserManager::RegisteredUserCount() +{ + return this->clientlist->size() - this->UnregisteredUserCount(); +} + +/* return how many users are opered */ +unsigned int UserManager::OperCount() +{ + return this->all_opers.size(); +} + +/* return how many users are unregistered */ +unsigned int UserManager::UnregisteredUserCount() +{ + return this->unregistered_count; +} + +/* return how many local registered users there are */ +unsigned int UserManager::LocalUserCount() +{ + /* Doesnt count unregistered clients */ + return (this->local_users.size() - this->UnregisteredUserCount()); +} + +void UserManager::ServerNoticeAll(const char* text, ...) +{ + if (!text) + return; + + char textbuffer[MAXBUF]; + char formatbuffer[MAXBUF]; + va_list argsPtr; + va_start (argsPtr, text); + vsnprintf(textbuffer, MAXBUF, text, argsPtr); + va_end(argsPtr); + + snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s", ServerInstance->Config->ServerName, textbuffer); + + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + { + User* t = *i; + t->WriteServ(std::string(formatbuffer)); + } +} + +void UserManager::ServerPrivmsgAll(const char* text, ...) +{ + if (!text) + return; + + char textbuffer[MAXBUF]; + char formatbuffer[MAXBUF]; + va_list argsPtr; + va_start (argsPtr, text); + vsnprintf(textbuffer, MAXBUF, text, argsPtr); + va_end(argsPtr); + + snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s", ServerInstance->Config->ServerName, textbuffer); + + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + { + User* t = *i; + t->WriteServ(std::string(formatbuffer)); + } +} + +void UserManager::WriteMode(const char* modes, int flags, const char* text, ...) +{ + char textbuffer[MAXBUF]; + int modelen; + va_list argsPtr; + + if (!text || !modes || !flags) + { + ServerInstance->Logs->Log("USERS", DEFAULT,"*** BUG *** WriteMode was given an invalid parameter"); + return; + } + + va_start(argsPtr, text); + vsnprintf(textbuffer, MAXBUF, text, argsPtr); + va_end(argsPtr); + modelen = strlen(modes); + + if (flags == WM_AND) + { + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + { + User* t = *i; + bool send_to_user = true; + + for (int n = 0; n < modelen; n++) + { + if (!t->IsModeSet(modes[n])) + { + send_to_user = false; + break; + } + } + if (send_to_user) + { + t->WriteServ("NOTICE %s :%s", t->nick.c_str(), textbuffer); + } + } + } + else if (flags == WM_OR) + { + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + { + User* t = *i; + bool send_to_user = false; + + for (int n = 0; n < modelen; n++) + { + if (t->IsModeSet(modes[n])) + { + send_to_user = true; + break; + } + } + + if (send_to_user) + { + t->WriteServ("NOTICE %s :%s", t->nick.c_str(), textbuffer); + } + } + } +} + +/* return how many users have a given mode e.g. 'a' */ +int UserManager::ModeCount(const char mode) +{ + ModeHandler* mh = this->ServerInstance->Modes->FindMode(mode, MODETYPE_USER); + + if (mh) + return mh->GetCount(); + else + return 0; +}