X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_sasl.cpp;h=0ef93ec5ae66476923dfe7eaded192dba54711df;hb=a5d110282a864fd2e91b51ce360a977cd0643657;hp=b653096b24566361685e7acafe391a4362bbf1db;hpb=44f42a13de52c8025942ddab42f51feb36821782;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_sasl.cpp b/src/modules/m_sasl.cpp index b653096b2..0ef93ec5a 100644 --- a/src/modules/m_sasl.cpp +++ b/src/modules/m_sasl.cpp @@ -22,6 +22,7 @@ #include "m_cap.h" #include "account.h" #include "sasl.h" +#include "ssl.h" /* $ModDesc: Provides support for IRC Authentication Layer (aka: atheme SASL) via AUTHENTICATE. */ @@ -50,10 +51,72 @@ class SaslAuthenticator SaslResult result; bool state_announced; + /* taken from m_services_account */ + static bool ReadCGIIRCExt(const char* extname, User* user, std::string& out) + { + ExtensionItem* wiext = ServerInstance->Extensions.GetItem(extname); + if (!wiext) + return false; + + if (wiext->creator->ModuleSourceFile != "m_cgiirc.so") + return false; + + StringExtItem* stringext = static_cast(wiext); + std::string* addr = stringext->get(user); + if (!addr) + return false; + + out = *addr; + return true; + } + + + void SendHostIP() + { + std::string host, ip; + + if (!ReadCGIIRCExt("cgiirc_webirc_hostname", user, host)) + { + host = user->host; + } + if (!ReadCGIIRCExt("cgiirc_webirc_ip", user, ip)) + { + ip = user->GetIPString(); + } + else + { + /* IP addresses starting with a : on irc are a Bad Thing (tm) */ + if (ip.c_str()[0] == ':') + ip.insert(ip.begin(),1,'0'); + } + + parameterlist params; + params.push_back(sasl_target); + params.push_back("SASL"); + params.push_back(user->uuid); + params.push_back("*"); + params.push_back("H"); + params.push_back(host); + params.push_back(ip); + + LocalUser* lu = IS_LOCAL(user); + if (lu) + { + // NOTE: SaslAuthenticator instances are only created for local + // users so this parameter will always be appended. + SocketCertificateRequest req(&lu->eh, ServerInstance->Modules->Find("m_sasl.so")); + params.push_back(req.cert ? "S" : "P"); + } + + SendSASL(params); + } + public: - SaslAuthenticator(User *user_, std::string method, Module *ctor) + SaslAuthenticator(User* user_, const std::string& method) : user(user_), state(SASL_INIT), state_announced(false) { + SendHostIP(); + parameterlist params; params.push_back(sasl_target); params.push_back("SASL"); @@ -62,6 +125,15 @@ class SaslAuthenticator params.push_back("S"); params.push_back(method); + if (method == "EXTERNAL" && IS_LOCAL(user_)) + { + SocketCertificateRequest req(&((LocalUser*)user_)->eh, ServerInstance->Modules->Find("m_sasl.so")); + std::string fp = req.GetFingerprint(); + + if (fp.size()) + params.push_back(fp); + } + SendSASL(params); } @@ -83,20 +155,26 @@ class SaslAuthenticator { case SASL_INIT: this->agent = msg[0]; - this->user->Write("AUTHENTICATE %s", msg[3].c_str()); this->state = SASL_COMM; - break; + /* fall through */ case SASL_COMM: if (msg[0] != this->agent) return this->state; - if (msg[2] != "D") + if (msg.size() < 4) + return this->state; + + if (msg[2] == "C") this->user->Write("AUTHENTICATE %s", msg[3].c_str()); - else + else if (msg[2] == "D") { this->state = SASL_DONE; this->result = this->GetSaslResult(msg[3]); } + else if (msg[2] == "M") + this->user->WriteNumeric(908, "%s %s :are available SASL mechanisms", this->user->nick.c_str(), msg[3].c_str()); + else + ServerInstance->Logs->Log("m_sasl", DEFAULT, "Services sent an unknown SASL message \"%s\" \"%s\"", msg[2].c_str(), msg[3].c_str()); break; case SASL_DONE: @@ -131,7 +209,7 @@ class SaslAuthenticator SendSASL(params); - if (parameters[0][0] == '*') + if (parameters[0].c_str()[0] == '*') { this->Abort(); return false; @@ -173,6 +251,7 @@ class CommandAuthenticate : public Command : Command(Creator, "AUTHENTICATE", 1), authExt(ext), cap(Cap) { works_before_reg = true; + allow_empty_last_param = false; } CmdResult Handle (const std::vector& parameters, User *user) @@ -183,9 +262,12 @@ class CommandAuthenticate : public Command if (!cap.ext.get(user)) return CMD_FAILURE; + if (parameters[0].find(' ') != std::string::npos || parameters[0][0] == ':') + return CMD_FAILURE; + SaslAuthenticator *sasl = authExt.get(user); if (!sasl) - authExt.set(user, new SaslAuthenticator(user, parameters[0], creator)); + authExt.set(user, new SaslAuthenticator(user, parameters[0])); else if (sasl->SendClientMessage(parameters) == false) // IAL abort extension --nenolod { sasl->AnnounceState(); @@ -208,7 +290,7 @@ class CommandSASL : public Command CmdResult Handle(const std::vector& parameters, User *user) { User* target = ServerInstance->FindNick(parameters[1]); - if (!target) + if ((!target) || (IS_SERVER(target))) { ServerInstance->Logs->Log("m_sasl", DEBUG,"User not found in sasl ENCAP event: %s", parameters[1].c_str()); return CMD_FAILURE; @@ -248,8 +330,8 @@ class ModuleSASL : public Module void init() { OnRehash(NULL); - Implementation eventlist[] = { I_OnEvent, I_OnUserRegister, I_OnRehash }; - ServerInstance->Modules->Attach(eventlist, this, 3); + Implementation eventlist[] = { I_OnEvent, I_OnUserConnect, I_OnRehash }; + ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation)); ServiceProvider* providelist[] = { &auth, &sasl, &authExt }; ServerInstance->Modules->AddServices(providelist, 3); @@ -263,7 +345,7 @@ class ModuleSASL : public Module sasl_target = ServerInstance->Config->ConfValue("sasl")->getString("target", "*"); } - ModResult OnUserRegister(LocalUser *user) + void OnUserConnect(LocalUser *user) { SaslAuthenticator *sasl_ = authExt.get(user); if (sasl_) @@ -271,13 +353,11 @@ class ModuleSASL : public Module sasl_->Abort(); authExt.unset(user); } - - return MOD_RES_PASSTHRU; } Version GetVersion() { - return Version("Provides support for IRC Authentication Layer (aka: atheme SASL) via AUTHENTICATE.",VF_VENDOR); + return Version("Provides support for IRC Authentication Layer (aka: SASL) via AUTHENTICATE.", VF_VENDOR); } void OnEvent(Event &ev)