X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_spanningtree%2Futils.cpp;h=cc1c400db9059c739804bfa23f51fd9f6994588d;hb=fd655fa93a00a5f2993adb7ef562b6dbab8aa87c;hp=09333fdd24043a8fe7f26a738ec405a3df562fd6;hpb=b6a5e2bd143cdd2fc610f79c87729d2e211da7ff;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_spanningtree/utils.cpp b/src/modules/m_spanningtree/utils.cpp index 09333fdd2..cc1c400db 100644 --- a/src/modules/m_spanningtree/utils.cpp +++ b/src/modules/m_spanningtree/utils.cpp @@ -1,16 +1,25 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2007-2009 Craig Edwards + * Copyright (C) 2008 Robin Burchell + * Copyright (C) 2007 Dennis Friis * - * This program is free but copyrighted software; see - * the file COPYING for details. + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. * - * --------------------------------------------------- + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . */ + #include "inspircd.h" #include "socket.h" #include "xline.h" @@ -23,39 +32,25 @@ #include "treesocket.h" #include "resolvers.h" -/* $ModDep: m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */ - /* Create server sockets off a listener. */ -void ServerSocketListener::OnAcceptReady(int newsock) +ModResult ModuleSpanningTree::OnAcceptConnection(int newsock, ListenSocket* from, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server) { - bool found = false; - int port; - std::string incomingip; - irc::sockets::satoap(&client, incomingip, port); + if (from->bind_tag->getString("type") != "servers") + return MOD_RES_PASSTHRU; - found = (std::find(Utils->ValidIPs.begin(), Utils->ValidIPs.end(), incomingip) != Utils->ValidIPs.end()); - if (!found) - { - for (std::vector::iterator i = Utils->ValidIPs.begin(); i != Utils->ValidIPs.end(); i++) - { - if (*i == "*" || irc::sockets::MatchCIDR(incomingip, *i)) - { - found = true; - break; - } - } + std::string incomingip = client->addr(); - if (!found) + for (std::vector::iterator i = Utils->ValidIPs.begin(); i != Utils->ValidIPs.end(); i++) + { + if (*i == "*" || *i == incomingip || irc::sockets::cidr_mask(*i).match(*client)) { - ServerInstance->SNO->WriteToSnoMask('l', "Server connection from %s denied (no link blocks with that IP address)", incomingip.c_str()); - ServerInstance->SE->Close(newsock); - return; + /* we don't need to do anything with the pointer, creating it stores it in the necessary places */ + new TreeSocket(Utils, newsock, from, client, server); + return MOD_RES_ALLOW; } } - - /* we don't need to do anything with the pointer, creating it stores it in the necessary places */ - - new TreeSocket(Utils, newsock, this, &client, &server); + ServerInstance->SNO->WriteToSnoMask('l', "Server connection from %s denied (no link blocks with that IP address)", incomingip.c_str()); + return MOD_RES_DENY; } /** Yay for fast searches! @@ -135,30 +130,16 @@ TreeServer* SpanningTreeUtilities::FindServerID(const std::string &id) return NULL; } -/* A convenient wrapper that returns true if a server exists */ -bool SpanningTreeUtilities::IsServer(const std::string &ServerName) -{ - return (FindServer(ServerName) != NULL); -} - SpanningTreeUtilities::SpanningTreeUtilities(ModuleSpanningTree* C) : Creator(C) { ServerInstance->Logs->Log("m_spanningtree",DEBUG,"***** Using SID for hash: %s *****", ServerInstance->Config->GetSID().c_str()); this->TreeRoot = new TreeServer(this, ServerInstance->Config->ServerName, ServerInstance->Config->ServerDesc, ServerInstance->Config->GetSID()); - ServerUser = new FakeUser(TreeRoot->GetID()); - - this->ReadConfiguration(true); + this->ReadConfiguration(); } -bool SpanningTreeUtilities::cull() +CullResult SpanningTreeUtilities::cull() { - for (unsigned int i = 0; i < ServerInstance->ports.size(); i++) - { - if (ServerInstance->ports[i]->type == "servers") - ServerInstance->ports[i]->cull(); - } - while (TreeRoot->ChildCount()) { TreeServer* child_server = TreeRoot->GetChild(0); @@ -166,24 +147,21 @@ bool SpanningTreeUtilities::cull() { TreeSocket* sock = child_server->GetSocket(); sock->Close(); - ServerInstance->GlobalCulls.AddItem(sock); } } - ServerUser->uuid = TreeRoot->GetID(); - if (ServerUser->cull()) - delete ServerUser; - return true; + for(std::map >::iterator i = timeoutlist.begin(); i != timeoutlist.end(); ++i) + { + TreeSocket* s = i->first; + s->Close(); + } + TreeRoot->cull(); + + return classbase::cull(); } SpanningTreeUtilities::~SpanningTreeUtilities() { - for (unsigned int i = 0; i < ServerInstance->ports.size(); i++) - { - if (ServerInstance->ports[i]->type == "servers") - delete ServerInstance->ports[i]; - } - delete TreeRoot; } @@ -196,6 +174,14 @@ void SpanningTreeUtilities::AddThisServer(TreeServer* server, TreeServerList &li /* returns a list of DIRECT servernames for a specific channel */ void SpanningTreeUtilities::GetListOfServersForChannel(Channel* c, TreeServerList &list, char status, const CUList &exempt_list) { + unsigned int minrank = 0; + if (status) + { + ModeHandler* mh = ServerInstance->Modes->FindPrefix(status); + if (mh) + minrank = mh->GetPrefixRank(); + } + const UserMembList *ulist = c->GetUsers(); for (UserMembCIter i = ulist->begin(); i != ulist->end(); i++) @@ -203,7 +189,7 @@ void SpanningTreeUtilities::GetListOfServersForChannel(Channel* c, TreeServerLis if (IS_LOCAL(i->first)) continue; - if (status && !strchr(c->GetAllPrefixChars(i->first), status)) + if (minrank && i->second->getRank() < minrank) continue; if (exempt_list.find(i->first) == exempt_list.end()) @@ -216,24 +202,7 @@ void SpanningTreeUtilities::GetListOfServersForChannel(Channel* c, TreeServerLis return; } -bool SpanningTreeUtilities::DoOneToAllButSenderRaw(const std::string &data, const std::string &omit, const std::string &prefix, const irc::string &command, parameterlist ¶ms) -{ - TreeServer* omitroute = this->BestRouteTo(omit); - unsigned int items =this->TreeRoot->ChildCount(); - for (unsigned int x = 0; x < items; x++) - { - TreeServer* Route = this->TreeRoot->GetChild(x); - if ((Route) && (Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route)) - { - TreeSocket* Sock = Route->GetSocket(); - if (Sock) - Sock->WriteLine(data); - } - } - return true; -} - -bool SpanningTreeUtilities::DoOneToAllButSender(const std::string &prefix, const std::string &command, parameterlist ¶ms, std::string omit) +bool SpanningTreeUtilities::DoOneToAllButSender(const std::string &prefix, const std::string &command, const parameterlist ¶ms, std::string omit) { TreeServer* omitroute = this->BestRouteTo(omit); std::string FullLine = ":" + prefix + " " + command; @@ -260,7 +229,7 @@ bool SpanningTreeUtilities::DoOneToAllButSender(const std::string &prefix, const return true; } -bool SpanningTreeUtilities::DoOneToMany(const std::string &prefix, const std::string &command, parameterlist ¶ms) +bool SpanningTreeUtilities::DoOneToMany(const std::string &prefix, const std::string &command, const parameterlist ¶ms) { std::string FullLine = ":" + prefix + " " + command; unsigned int words = params.size(); @@ -282,21 +251,21 @@ bool SpanningTreeUtilities::DoOneToMany(const std::string &prefix, const std::st return true; } -bool SpanningTreeUtilities::DoOneToMany(const char* prefix, const char* command, parameterlist ¶ms) +bool SpanningTreeUtilities::DoOneToMany(const char* prefix, const char* command, const parameterlist ¶ms) { std::string spfx = prefix; std::string scmd = command; return this->DoOneToMany(spfx, scmd, params); } -bool SpanningTreeUtilities::DoOneToAllButSender(const char* prefix, const char* command, parameterlist ¶ms, std::string omit) +bool SpanningTreeUtilities::DoOneToAllButSender(const char* prefix, const char* command, const parameterlist ¶ms, std::string omit) { std::string spfx = prefix; std::string scmd = command; return this->DoOneToAllButSender(spfx, scmd, params, omit); } -bool SpanningTreeUtilities::DoOneToOne(const std::string &prefix, const std::string &command, parameterlist ¶ms, std::string target) +bool SpanningTreeUtilities::DoOneToOne(const std::string &prefix, const std::string &command, const parameterlist ¶ms, std::string target) { TreeServer* Route = this->BestRouteTo(target); if (Route) @@ -327,49 +296,26 @@ void SpanningTreeUtilities::RefreshIPCache() for (std::vector >::iterator i = LinkBlocks.begin(); i != LinkBlocks.end(); ++i) { Link* L = *i; - if (L->IPAddr.empty() || L->RecvPass.empty() || L->SendPass.empty() || L->Name.empty() || !L->Port) + if (!L->Port) { - if (L->Name.empty()) - { - ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"m_spanningtree: Ignoring a malformed link block (all link blocks require a name!)"); - } - else - { - ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"m_spanningtree: Ignoring a link block missing recvpass, sendpass, port or ipaddr."); - } - + ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"m_spanningtree: Ignoring a link block without a port."); /* Invalid link block */ continue; } - ValidIPs.push_back(L->IPAddr); - if (L->AllowMask.length()) ValidIPs.push_back(L->AllowMask); - /* Needs resolving */ - bool ipvalid = true; - QueryType start_type = DNS_QUERY_A; - start_type = DNS_QUERY_AAAA; - if (strchr(L->IPAddr.c_str(),':')) - { - in6_addr n; - if (inet_pton(AF_INET6, L->IPAddr.c_str(), &n) < 1) - ipvalid = false; - } + irc::sockets::sockaddrs dummy; + bool ipvalid = irc::sockets::aptosa(L->IPAddr, L->Port, dummy); + if ((L->IPAddr == "*") || (ipvalid)) + ValidIPs.push_back(L->IPAddr); else - { - in_addr n; - if (inet_aton(L->IPAddr.c_str(),&n) < 1) - ipvalid = false; - } - - if (!ipvalid) { try { - bool cached; - SecurityIPResolver* sr = new SecurityIPResolver(Creator, this, L->IPAddr, L, cached, start_type); + bool cached = false; + SecurityIPResolver* sr = new SecurityIPResolver(Creator, this, L->IPAddr, L, cached, DNS_QUERY_AAAA); ServerInstance->AddResolver(sr, cached); } catch (...) @@ -379,48 +325,18 @@ void SpanningTreeUtilities::RefreshIPCache() } } -void SpanningTreeUtilities::ReadConfiguration(bool rebind) +void SpanningTreeUtilities::ReadConfiguration() { - ConfigReader* Conf = new ConfigReader; - - if (rebind) - { - for (int j = 0; j < Conf->Enumerate("bind"); j++) - { - std::string Type = Conf->ReadValue("bind","type",j); - std::string IP = Conf->ReadValue("bind","address",j); - std::string Port = Conf->ReadValue("bind","port",j); - std::string ssl = Conf->ReadValue("bind","ssl",j); - if (Type == "servers") - { - irc::portparser portrange(Port, false); - int portno = -1; - - if (IP == "*") - IP.clear(); - - while ((portno = portrange.GetToken())) - { - ServerSocketListener *listener = new ServerSocketListener(this, portno, IP, ssl); - if (listener->GetFd() == -1) - { - delete listener; - continue; - } - - ServerInstance->ports.push_back(listener); - } - } - } - } - FlatLinks = Conf->ReadFlag("security","flatlinks",0); - HideULines = Conf->ReadFlag("security","hideulines",0); - AnnounceTSChange = Conf->ReadFlag("options","announcets",0); - AllowOptCommon = Conf->ReadFlag("options", "allowmismatch", 0); - ChallengeResponse = !Conf->ReadFlag("security", "disablehmac", 0); - quiet_bursts = Conf->ReadFlag("performance", "quietbursts", 0); - PingWarnTime = Conf->ReadInteger("options", "pingwarning", 0, true); - PingFreq = Conf->ReadInteger("options", "serverpingfreq", 0, true); + ConfigTag* security = ServerInstance->Config->ConfValue("security"); + ConfigTag* options = ServerInstance->Config->ConfValue("options"); + FlatLinks = security->getBool("flatlinks"); + HideULines = security->getBool("hideulines"); + AnnounceTSChange = options->getBool("announcets"); + AllowOptCommon = options->getBool("allowmismatch"); + ChallengeResponse = !security->getBool("disablehmac"); + quiet_bursts = ServerInstance->Config->ConfValue("performance")->getBool("quietbursts"); + PingWarnTime = options->getInt("pingwarning"); + PingFreq = options->getInt("serverpingfreq"); if (PingFreq == 0) PingFreq = 60; @@ -430,108 +346,68 @@ void SpanningTreeUtilities::ReadConfiguration(bool rebind) AutoconnectBlocks.clear(); LinkBlocks.clear(); - ValidIPs.clear(); - for (int j = 0; j < Conf->Enumerate("link"); ++j) + ConfigTagList tags = ServerInstance->Config->ConfTags("link"); + for(ConfigIter i = tags.first; i != tags.second; ++i) { - reference L = new Link; - std::string Allow = Conf->ReadValue("link", "allowmask", j); - L->Name = (Conf->ReadValue("link", "name", j)).c_str(); - L->AllowMask = Allow; - L->IPAddr = Conf->ReadValue("link", "ipaddr", j); - L->Port = Conf->ReadInteger("link", "port", j, true); - L->SendPass = Conf->ReadValue("link", "sendpass", j); - L->RecvPass = Conf->ReadValue("link", "recvpass", j); - L->Fingerprint = Conf->ReadValue("link", "fingerprint", j); - L->HiddenFromStats = Conf->ReadFlag("link", "statshidden", j); - L->Timeout = Conf->ReadInteger("link", "timeout", j, true); - L->Hook = Conf->ReadValue("link", "ssl", j); - L->Bind = Conf->ReadValue("link", "bind", j); - L->Hidden = Conf->ReadFlag("link", "hidden", j); + ConfigTag* tag = i->second; + reference L = new Link(tag); + std::string linkname = tag->getString("name"); + L->Name = linkname.c_str(); + L->AllowMask = tag->getString("allowmask"); + L->IPAddr = tag->getString("ipaddr"); + L->Port = tag->getInt("port"); + L->SendPass = tag->getString("sendpass", tag->getString("password")); + L->RecvPass = tag->getString("recvpass", tag->getString("password")); + L->Fingerprint = tag->getString("fingerprint"); + L->HiddenFromStats = tag->getBool("statshidden"); + L->Timeout = tag->getInt("timeout", 30); + L->Hook = tag->getString("ssl"); + L->Bind = tag->getString("bind"); + L->Hidden = tag->getBool("hidden"); + + if (L->Name.empty()) + throw ModuleException("Invalid configuration, found a link tag without a name!" + (!L->IPAddr.empty() ? " IP address: "+L->IPAddr : "")); if (L->Name.find('.') == std::string::npos) - throw CoreException("The link name '"+assign(L->Name)+"' is invalid and must contain at least one '.' character"); + throw ModuleException("The link name '"+assign(L->Name)+"' is invalid as it must contain at least one '.' character"); if (L->Name.length() > 64) - throw CoreException("The link name '"+assign(L->Name)+"' is longer than 64 characters!"); - - if ((!L->IPAddr.empty()) && (!L->RecvPass.empty()) && (!L->SendPass.empty()) && (!L->Name.empty()) && (L->Port)) - { - if (Allow.length()) - ValidIPs.push_back(Allow); - - ValidIPs.push_back(L->IPAddr); + throw ModuleException("The link name '"+assign(L->Name)+"' is invalid as it is longer than 64 characters"); - /* Needs resolving */ - bool ipvalid = true; - QueryType start_type = DNS_QUERY_A; - start_type = DNS_QUERY_AAAA; - if (strchr(L->IPAddr.c_str(),':')) - { - in6_addr n; - if (inet_pton(AF_INET6, L->IPAddr.c_str(), &n) < 1) - ipvalid = false; - } - else - { - in_addr n; - if (inet_aton(L->IPAddr.c_str(),&n) < 1) - ipvalid = false; - } - - if (!ipvalid) - { - try - { - bool cached; - SecurityIPResolver* sr = new SecurityIPResolver(Creator, this, L->IPAddr, L, cached, start_type); - ServerInstance->AddResolver(sr, cached); - } - catch (...) - { - } - } - } - else - { - if (L->IPAddr.empty()) - { - L->IPAddr = "*"; - ValidIPs.push_back("*"); - ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"Configuration warning: Link block " + assign(L->Name) + " has no IP defined! This will allow any IP to connect as this server, and MAY not be what you want."); - } + if (L->RecvPass.empty()) + throw ModuleException("Invalid configuration for server '"+assign(L->Name)+"', recvpass not defined"); - if (L->RecvPass.empty()) - { - throw CoreException("Invalid configuration for server '"+assign(L->Name)+"', recvpass not defined!"); - } + if (L->SendPass.empty()) + throw ModuleException("Invalid configuration for server '"+assign(L->Name)+"', sendpass not defined"); - if (L->SendPass.empty()) - { - throw CoreException("Invalid configuration for server '"+assign(L->Name)+"', sendpass not defined!"); - } + if ((L->SendPass.find(' ') != std::string::npos) || (L->RecvPass.find(' ') != std::string::npos)) + throw ModuleException("Link block '" + assign(L->Name) + "' has a password set that contains a space character which is invalid"); - if (L->Name.empty()) - { - throw CoreException("Invalid configuration, link tag without a name! IP address: "+L->IPAddr); - } + if ((L->SendPass[0] == ':') || (L->RecvPass[0] == ':')) + throw ModuleException("Link block '" + assign(L->Name) + "' has a password set that begins with a colon (:) which is invalid"); - if (!L->Port) - { - ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"Configuration warning: Link block " + assign(L->Name) + " has no port defined, you will not be able to /connect it."); - } + if (L->IPAddr.empty()) + { + L->IPAddr = "*"; + ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"Configuration warning: Link block '" + assign(L->Name) + "' has no IP defined! This will allow any IP to connect as this server, and MAY not be what you want."); } + if (!L->Port) + ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"Configuration warning: Link block '" + assign(L->Name) + "' has no port defined, you will not be able to /connect it."); + + L->Fingerprint.erase(std::remove(L->Fingerprint.begin(), L->Fingerprint.end(), ':'), L->Fingerprint.end()); LinkBlocks.push_back(L); } - for (int j = 0; j < Conf->Enumerate("autoconnect"); ++j) + tags = ServerInstance->Config->ConfTags("autoconnect"); + for(ConfigIter i = tags.first; i != tags.second; ++i) { - reference A = new Autoconnect; - A->Period = Conf->ReadInteger("autoconnect", "period", j, true); + ConfigTag* tag = i->second; + reference A = new Autoconnect(tag); + A->Period = tag->getInt("period"); A->NextConnectTime = ServerInstance->Time() + A->Period; A->position = -1; - std::string servers = Conf->ReadValue("autoconnect", "server", j); - irc::spacesepstream ss(servers); + irc::spacesepstream ss(tag->getString("server")); std::string server; while (ss.GetToken(server)) { @@ -540,18 +416,18 @@ void SpanningTreeUtilities::ReadConfiguration(bool rebind) if (A->Period <= 0) { - throw CoreException("Invalid configuration for autoconnect, period not a positive integer!"); + throw ModuleException("Invalid configuration for autoconnect, period not a positive integer!"); } if (A->servers.empty()) { - throw CoreException("Invalid configuration for autoconnect, server cannot be empty!"); + throw ModuleException("Invalid configuration for autoconnect, server cannot be empty!"); } AutoconnectBlocks.push_back(A); } - delete Conf; + RefreshIPCache(); } Link* SpanningTreeUtilities::FindLink(const std::string& name)