X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_cgiirc.cpp;h=3ad4e5f7004252593928cd005ff4f98c16e6a128;hb=05cc48f1894e40f8a34496bf54a60d8b911e6a5e;hp=f7dd03d8d7395bda59c269200534803d84ad1265;hpb=a98e7a8023fdaa367c4e712ea753a0d8dd9fbb04;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_cgiirc.cpp b/src/modules/m_cgiirc.cpp index f7dd03d8d..3ad4e5f70 100644 --- a/src/modules/m_cgiirc.cpp +++ b/src/modules/m_cgiirc.cpp @@ -2,7 +2,7 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team + * InspIRCd: (C) 2002-2008 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see @@ -11,20 +11,18 @@ * --------------------------------------------------- */ -#include -#include -#include +#include "inspircd.h" + +#ifndef WINDOWS #include #include #include -#include "users.h" -#include "modules.h" -#include "dns.h" -#include "inspircd.h" +#endif /* $ModDesc: Change user's hosts connecting from known CGI:IRC hosts */ -enum CGItype { PASS, IDENT, PASSFIRST, IDENTFIRST, WEBIRC }; +enum CGItype { INVALID, PASS, IDENT, PASSFIRST, IDENTFIRST, WEBIRC }; + /** Holds a CGI site's details */ @@ -35,25 +33,35 @@ public: CGItype type; std::string password; - CGIhost(const std::string &mask = "", CGItype t = IDENTFIRST, const std::string &password ="") - : hostmask(mask), type(t), password(password) + CGIhost(const std::string &mask = "", CGItype t = IDENTFIRST, const std::string &spassword ="") + : hostmask(mask), type(t), password(spassword) { } }; typedef std::vector CGIHostlist; -class cmd_webirc : public command_t +/* + * WEBIRC + * This is used for the webirc method of CGIIRC auth, and is (really) the best way to do these things. + * Syntax: WEBIRC password client hostname ip + * Where password is a shared key, client is the name of the "client" and version (e.g. cgiirc), hostname + * is the resolved host of the client issuing the command and IP is the real IP of the client. + * + * How it works: + * To tie in with the rest of cgiirc module, and to avoid race conditions, /webirc is only processed locally + * and simply sets metadata on the user, which is later decoded on full connect to give something meaningful. + */ +class CommandWebirc : public Command { - InspIRCd* Me; CGIHostlist Hosts; bool notify; public: - cmd_webirc(InspIRCd* Me, CGIHostlist &Hosts, bool notify) : command_t(Me, "WEBIRC", 0, 4, true), Hosts(Hosts), notify(notify) + CommandWebirc(InspIRCd* Instance, CGIHostlist &cHosts, bool bnotify) : Command(Instance, "WEBIRC", 0, 4, true), Hosts(cHosts), notify(bnotify) { this->source = "m_cgiirc.so"; this->syntax = "password client hostname ip"; } - CmdResult Handle(const char** parameters, int pcnt, userrec *user) + CmdResult Handle(const char* const* parameters, int pcnt, User *user) { if(user->registered == REG_ALL) return CMD_FAILURE; @@ -67,8 +75,9 @@ class cmd_webirc : public command_t user->Extend("cgiirc_realhost", new std::string(user->host)); user->Extend("cgiirc_realip", new std::string(user->GetIPString())); if (notify) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from %s", user->nick, user->host, parameters[2], "_"); + ServerInstance->SNO->WriteToSnoMask('A', "Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from %s", user->nick, user->host, parameters[2], user->host); user->Extend("cgiirc_webirc_hostname", new std::string(parameters[2])); + user->Extend("cgiirc_webirc_ip", new std::string(parameters[3])); return CMD_LOCALONLY; } } @@ -84,19 +93,22 @@ class CGIResolver : public Resolver { std::string typ; int theirfd; - userrec* them; + User* them; bool notify; public: - CGIResolver(Module* me, InspIRCd* ServerInstance, bool NotifyOpers, const std::string &source, bool forward, userrec* u, int userfd, const std::string &type, bool &cached) - : Resolver(ServerInstance, source, forward ? DNS_QUERY_A : DNS_QUERY_PTR4, cached, me), typ(type), theirfd(userfd), them(u), notify(NotifyOpers) { } + CGIResolver(Module* me, InspIRCd* Instance, bool NotifyOpers, const std::string &source, bool forward, User* u, int userfd, const std::string &type, bool &cached) + : Resolver(Instance, source, forward ? DNS_QUERY_A : DNS_QUERY_PTR4, cached, me), typ(type), theirfd(userfd), them(u), notify(NotifyOpers) { } - virtual void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached) + virtual void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached, int resultnum = 0) { + if (resultnum) + return; + /* Check the user still exists */ if ((them) && (them == ServerInstance->SE->GetRef(theirfd))) { if (notify) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from %s", them->nick, them->host, result.c_str(), typ.c_str()); + ServerInstance->SNO->WriteToSnoMask('A', "Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from %s", them->nick, them->host, result.c_str(), typ.c_str()); strlcpy(them->host, result.c_str(), 63); strlcpy(them->dhost, result.c_str(), 63); @@ -110,7 +122,7 @@ class CGIResolver : public Resolver if ((them) && (them == ServerInstance->SE->GetRef(theirfd))) { if (notify) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), but their host can't be resolved from their %s!", them->nick, them->host,typ.c_str()); + ServerInstance->SNO->WriteToSnoMask('A', "Connecting user %s detected as using CGI:IRC (%s), but their host can't be resolved from their %s!", them->nick, them->host,typ.c_str()); } } @@ -121,30 +133,28 @@ class CGIResolver : public Resolver class ModuleCgiIRC : public Module { - cmd_webirc* mycommand; + CommandWebirc* mycommand; bool NotifyOpers; CGIHostlist Hosts; public: - ModuleCgiIRC(InspIRCd* Me) : Module::Module(Me) + ModuleCgiIRC(InspIRCd* Me) : Module(Me) { OnRehash(NULL,""); - mycommand=new cmd_webirc(Me, Hosts, NotifyOpers); + mycommand = new CommandWebirc(Me, Hosts, NotifyOpers); ServerInstance->AddCommand(mycommand); - } - void Implements(char* List) - { - List[I_OnRehash] = List[I_OnUserRegister] = List[I_OnCleanup] = List[I_OnSyncUserMetaData] = List[I_OnDecodeMetaData] = List[I_OnUserQuit] = List[I_OnUserConnect] = 1; + Implementation eventlist[] = { I_OnRehash, I_OnUserRegister, I_OnCleanup, I_OnSyncUserMetaData, I_OnDecodeMetaData, I_OnUserDisconnect, I_OnUserConnect }; + ServerInstance->Modules->Attach(eventlist, this, 7); } + - virtual Priority Prioritize() + virtual void Prioritize() { - // We want to get here before m_cloaking and m_hostchange etc - return PRIORITY_FIRST; + ServerInstance->Modules->SetPriority(this, I_OnUserConnect, PRIO_FIRST); } - virtual void OnRehash(userrec* user, const std::string ¶meter) + virtual void OnRehash(User* user, const std::string ¶meter) { ConfigReader Conf(ServerInstance); @@ -161,25 +171,32 @@ public: if(hostmask.length()) { - Hosts.push_back(CGIhost(hostmask)); - - if(type == "pass") - Hosts.back().type = PASS; - else if(type == "ident") - Hosts.back().type = IDENT; - else if(type == "passfirst") - Hosts.back().type = PASSFIRST; - else if(type == "webirc") { - Hosts.back().type = WEBIRC; - if(password.length()) - Hosts.back().password=password; - else - ServerInstance->Log(DEFAULT, "m_cgiirc: Missing password in config: %s", hostmask.c_str()); + if (type == "webirc" && !password.length()) { + ServerInstance->Logs->Log("CONFIG",DEFAULT, "m_cgiirc: Missing password in config: %s", hostmask.c_str()); + } + else + { + CGItype cgitype = INVALID; + if (type == "pass") + cgitype = PASS; + else if (type == "ident") + cgitype = IDENT; + else if (type == "passfirst") + cgitype = PASSFIRST; + else if (type == "webirc") + { + cgitype = WEBIRC; + } + + if (cgitype == INVALID) + cgitype = PASS; + + Hosts.push_back(CGIhost(hostmask,cgitype, password.length() ? password : "" )); } } else { - ServerInstance->Log(DEFAULT, "m_cgiirc.so: Invalid value in config: %s", hostmask.c_str()); + ServerInstance->Logs->Log("CONFIG",DEFAULT, "m_cgiirc.so: Invalid value in config: %s", hostmask.c_str()); continue; } } @@ -189,7 +206,7 @@ public: { if(target_type == TYPE_USER) { - userrec* user = (userrec*)item; + User* user = (User*)item; std::string* realhost; std::string* realip; @@ -207,7 +224,7 @@ public: } } - virtual void OnSyncUserMetaData(userrec* user, Module* proto, void* opaque, const std::string &extname) + virtual void OnSyncUserMetaData(User* user, Module* proto, void* opaque, const std::string &extname, bool displayable) { if((extname == "cgiirc_realhost") || (extname == "cgiirc_realip")) { @@ -224,7 +241,7 @@ public: { if(target_type == TYPE_USER) { - userrec* dest = (userrec*)target; + User* dest = (User*)target; std::string* bleh; if(((extname == "cgiirc_realhost") || (extname == "cgiirc_realip")) && (!dest->GetExt(extname, bleh))) { @@ -233,13 +250,13 @@ public: } } - virtual void OnUserQuit(userrec* user, const std::string &message) + virtual void OnUserDisconnect(User* user) { OnCleanup(TYPE_USER, user); } - virtual int OnUserRegister(userrec* user) + virtual int OnUserRegister(User* user) { for(CGIHostlist::iterator iter = Hosts.begin(); iter != Hosts.end(); iter++) { @@ -274,20 +291,41 @@ public: return 0; } - virtual void OnUserConnect(userrec* user) + virtual void OnUserConnect(User* user) { - std::string* webirc_hostname; + std::string *webirc_hostname, *webirc_ip; if(user->GetExt("cgiirc_webirc_hostname", webirc_hostname)) { strlcpy(user->host,webirc_hostname->c_str(),63); strlcpy(user->dhost,webirc_hostname->c_str(),63); - user->InvalidateCache(); delete webirc_hostname; + user->InvalidateCache(); user->Shrink("cgiirc_webirc_hostname"); } + if(user->GetExt("cgiirc_webirc_ip", webirc_ip)) + { + bool valid=false; + ServerInstance->Users->RemoveCloneCounts(user); +#ifdef IPV6 + valid = (inet_pton(AF_INET6, webirc_ip->c_str(), &((sockaddr_in6*)user->ip)->sin6_addr) > 0); + + if(!valid) + valid = (inet_aton(webirc_ip->c_str(), &((sockaddr_in*)user->ip)->sin_addr)); +#else + if (inet_aton(webirc_ip->c_str(), &((sockaddr_in*)user->ip)->sin_addr)) + valid = true; +#endif + + delete webirc_ip; + user->InvalidateCache(); + user->Shrink("cgiirc_webirc_ip"); + ServerInstance->Users->AddLocalClone(user); + ServerInstance->Users->AddGlobalClone(user); + user->CheckClass(); + } } - bool CheckPass(userrec* user) + bool CheckPass(User* user) { if(IsValidHost(user->password)) { @@ -298,6 +336,7 @@ public: user->InvalidateCache(); bool valid = false; + ServerInstance->Users->RemoveCloneCounts(user); #ifdef IPV6 if (user->GetProtocolFamily() == AF_INET6) valid = (inet_pton(AF_INET6, user->password, &((sockaddr_in6*)user->ip)->sin6_addr) > 0); @@ -307,11 +346,15 @@ public: if (inet_aton(user->password, &((sockaddr_in*)user->ip)->sin_addr)) valid = true; #endif + ServerInstance->Users->AddLocalClone(user); + ServerInstance->Users->AddGlobalClone(user); + user->CheckClass(); + if (valid) { /* We were given a IP in the password, we don't do DNS so they get this is as their host as well. */ if(NotifyOpers) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from PASS", user->nick, user->host, user->password); + ServerInstance->SNO->WriteToSnoMask('A', "Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from PASS", user->nick, user->host, user->password); } else { @@ -323,17 +366,17 @@ public: CGIResolver* r = new CGIResolver(this, ServerInstance, NotifyOpers, user->password, false, user, user->GetFd(), "PASS", cached); ServerInstance->AddResolver(r, cached); } - catch (ModuleException& e) + catch (...) { if (NotifyOpers) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), but i could not resolve their hostname!", user->nick, user->host); + ServerInstance->SNO->WriteToSnoMask('A', "Connecting user %s detected as using CGI:IRC (%s), but i could not resolve their hostname!", user->nick, user->host); } } *user->password = 0; /*if(NotifyOpers) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from PASS", user->nick, user->host, user->password);*/ + ServerInstance->SNO->WriteToSnoMask('A', "Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from PASS", user->nick, user->host, user->password);*/ return true; } @@ -341,7 +384,7 @@ public: return false; } - bool CheckIdent(userrec* user) + bool CheckIdent(User* user) { int ip[4]; char* ident; @@ -363,15 +406,16 @@ public: user->Extend("cgiirc_realhost", new std::string(user->host)); user->Extend("cgiirc_realip", new std::string(user->GetIPString())); + ServerInstance->Users->RemoveCloneCounts(user); #ifdef IPV6 if (user->GetProtocolFamily() == AF_INET6) inet_pton(AF_INET6, newip, &((sockaddr_in6*)user->ip)->sin6_addr); else - inet_aton(newip, &((sockaddr_in*)user->ip)->sin_addr); -#else - inet_aton(newip, &((sockaddr_in*)user->ip)->sin_addr); #endif - + inet_aton(newip, &((sockaddr_in*)user->ip)->sin_addr); + ServerInstance->Users->AddLocalClone(user); + ServerInstance->Users->AddGlobalClone(user); + user->CheckClass(); try { strlcpy(user->host, newip, 16); @@ -382,7 +426,7 @@ public: CGIResolver* r = new CGIResolver(this, ServerInstance, NotifyOpers, newip, false, user, user->GetFd(), "IDENT", cached); ServerInstance->AddResolver(r, cached); } - catch (ModuleException& e) + catch (...) { strlcpy(user->host, newip, 16); strlcpy(user->dhost, newip, 16); @@ -390,7 +434,7 @@ public: user->InvalidateCache(); if(NotifyOpers) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), but i could not resolve their hostname!", user->nick, user->host); + ServerInstance->SNO->WriteToSnoMask('A', "Connecting user %s detected as using CGI:IRC (%s), but i could not resolve their hostname!", user->nick, user->host); } /*strlcpy(user->host, newip, 16); strlcpy(user->dhost, newip, 16); @@ -475,31 +519,9 @@ public: virtual Version GetVersion() { - return Version(1,1,0,0,VF_VENDOR,API_VERSION); - } - -}; - -class ModuleCgiIRCFactory : public ModuleFactory -{ - public: - ModuleCgiIRCFactory() - { - } - - ~ModuleCgiIRCFactory() - { - } - - virtual Module * CreateModule(InspIRCd* Me) - { - return new ModuleCgiIRC(Me); + return Version(1,2,0,0,VF_VENDOR,API_VERSION); } }; - -extern "C" void * init_module( void ) -{ - return new ModuleCgiIRCFactory; -} +MODULE_INIT(ModuleCgiIRC)