X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_sslinfo.cpp;h=7f58da46a4a21e7ae309dea8f781e9d1db5001a5;hb=aa692dc1039b63deef7886e914ec499abe7facaf;hp=85e7b77dd3f560ddbefdd02d3f232cf0e6a47731;hpb=c9cdf7255356761152f1e679a948f9bc55e07b00;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_sslinfo.cpp b/src/modules/m_sslinfo.cpp index 85e7b77dd..7f58da46a 100644 --- a/src/modules/m_sslinfo.cpp +++ b/src/modules/m_sslinfo.cpp @@ -1,7 +1,16 @@ /* * InspIRCd -- Internet Relay Chat Daemon * + * Copyright (C) 2019 linuxdaemon + * Copyright (C) 2013, 2017-2019 Sadie Powell + * Copyright (C) 2013 Christopher 'm4z' Holm + * Copyright (C) 2012-2016 Attila Molnar + * Copyright (C) 2012 Robby + * Copyright (C) 2010 Adam * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2008 Robin Burchell + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2006-2007, 2009-2010 Craig Edwards * * 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 @@ -19,7 +28,9 @@ #include "inspircd.h" #include "modules/ssl.h" +#include "modules/webirc.h" #include "modules/whois.h" +#include "modules/who.h" enum { @@ -30,7 +41,8 @@ enum RPL_WHOISSECURE = 671 }; -class SSLCertExt : public ExtensionItem { +class SSLCertExt : public ExtensionItem +{ public: SSLCertExt(Module* parent) : ExtensionItem("ssl_cert", ExtensionItem::EXT_USER, parent) @@ -41,6 +53,7 @@ class SSLCertExt : public ExtensionItem { { return static_cast(get_raw(item)); } + void set(Extensible* item, ssl_cert* value) { value->refcount_inc(); @@ -49,12 +62,17 @@ class SSLCertExt : public ExtensionItem { delete old; } - std::string serialize(SerializeFormat format, const Extensible* container, void* item) const CXX11_OVERRIDE + void unset(Extensible* container) + { + free(container, unset_raw(container)); + } + + std::string ToNetwork(const Extensible* container, void* item) const CXX11_OVERRIDE { return static_cast(item)->GetMetaLine(); } - void unserialize(SerializeFormat format, Extensible* container, const std::string& value) CXX11_OVERRIDE + void FromNetwork(Extensible* container, const std::string& value) CXX11_OVERRIDE { ssl_cert* cert = new ssl_cert; set(container, cert); @@ -79,7 +97,7 @@ class SSLCertExt : public ExtensionItem { } } - void free(void* item) CXX11_OVERRIDE + void free(Extensible* container, void* item) CXX11_OVERRIDE { ssl_cert* old = static_cast(item); if (old && old->refcount_dec()) @@ -87,19 +105,58 @@ class SSLCertExt : public ExtensionItem { } }; -/** Handle /SSLINFO - */ +class UserCertificateAPIImpl : public UserCertificateAPIBase +{ + public: + LocalIntExt nosslext; + SSLCertExt sslext; + + UserCertificateAPIImpl(Module* mod) + : UserCertificateAPIBase(mod) + , nosslext("no_ssl_cert", ExtensionItem::EXT_USER, mod) + , sslext(mod) + { + } + + ssl_cert* GetCertificate(User* user) CXX11_OVERRIDE + { + ssl_cert* cert = sslext.get(user); + if (cert) + return cert; + + LocalUser* luser = IS_LOCAL(user); + if (!luser || nosslext.get(luser)) + return NULL; + + cert = SSLClientCert::GetCertificate(&luser->eh); + if (!cert) + return NULL; + + SetCertificate(user, cert); + return cert; + } + + void SetCertificate(User* user, ssl_cert* cert) CXX11_OVERRIDE + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Setting SSL certificate for %s: %s", + user->GetFullHost().c_str(), cert->GetMetaLine().c_str()); + sslext.set(user, cert); + } +}; + class CommandSSLInfo : public Command { public: - SSLCertExt CertExt; + UserCertificateAPIImpl sslapi; - CommandSSLInfo(Module* Creator) : Command(Creator, "SSLINFO", 1), CertExt(Creator) + CommandSSLInfo(Module* Creator) + : Command(Creator, "SSLINFO", 1) + , sslapi(Creator) { this->syntax = ""; } - CmdResult Handle(const std::vector& parameters, User* user) CXX11_OVERRIDE + CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE { User* target = ServerInstance->FindNickOnly(parameters[0]); @@ -114,7 +171,7 @@ class CommandSSLInfo : public Command user->WriteNotice("*** You cannot view SSL certificate information for other users"); return CMD_FAILURE; } - ssl_cert* cert = CertExt.get(target); + ssl_cert* cert = sslapi.GetCertificate(target); if (!cert) { user->WriteNotice("*** No SSL certificate for this user"); @@ -133,32 +190,26 @@ class CommandSSLInfo : public Command } }; -class UserCertificateAPIImpl : public UserCertificateAPIBase +class ModuleSSLInfo + : public Module + , public WebIRC::EventListener + , public Whois::EventListener + , public Who::EventListener { - SSLCertExt& ext; + private: + CommandSSLInfo cmd; - public: - UserCertificateAPIImpl(Module* mod, SSLCertExt& certext) - : UserCertificateAPIBase(mod), ext(certext) + bool MatchFP(ssl_cert* const cert, const std::string& fp) const { + return irc::spacesepstream(fp).Contains(cert->GetFingerprint()); } - ssl_cert* GetCertificate(User* user) CXX11_OVERRIDE - { - return ext.get(user); - } -}; - -class ModuleSSLInfo : public Module, public Whois::EventListener -{ - CommandSSLInfo cmd; - UserCertificateAPIImpl APIImpl; - public: ModuleSSLInfo() - : Whois::EventListener(this) + : WebIRC::EventListener(this) + , Whois::EventListener(this) + , Who::EventListener(this) , cmd(this) - , APIImpl(this, cmd.CertExt) { } @@ -169,7 +220,7 @@ class ModuleSSLInfo : public Module, public Whois::EventListener void OnWhois(Whois::Context& whois) CXX11_OVERRIDE { - ssl_cert* cert = cmd.CertExt.get(whois.GetTarget()); + ssl_cert* cert = cmd.sslapi.GetCertificate(whois.GetTarget()); if (cert) { whois.SendLine(RPL_WHOISSECURE, "is using a secure connection"); @@ -179,7 +230,20 @@ class ModuleSSLInfo : public Module, public Whois::EventListener } } - ModResult OnPreCommand(std::string &command, std::vector ¶meters, LocalUser *user, bool validated, const std::string &original_line) CXX11_OVERRIDE + ModResult OnWhoLine(const Who::Request& request, LocalUser* source, User* user, Membership* memb, Numeric::Numeric& numeric) CXX11_OVERRIDE + { + size_t flag_index; + if (!request.GetFieldIndex('f', flag_index)) + return MOD_RES_PASSTHRU; + + ssl_cert* cert = cmd.sslapi.GetCertificate(user); + if (cert) + numeric.GetParams()[flag_index].push_back('s'); + + return MOD_RES_PASSTHRU; + } + + ModResult OnPreCommand(std::string& command, CommandBase::Params& parameters, LocalUser* user, bool validated) CXX11_OVERRIDE { if ((command == "OPER") && (validated)) { @@ -187,7 +251,7 @@ class ModuleSSLInfo : public Module, public Whois::EventListener if (i != ServerInstance->Config->oper_blocks.end()) { OperInfo* ifo = i->second; - ssl_cert* cert = cmd.CertExt.get(user); + ssl_cert* cert = cmd.sslapi.GetCertificate(user); if (ifo->oper_block->getBool("sslonly") && !cert) { @@ -197,7 +261,7 @@ class ModuleSSLInfo : public Module, public Whois::EventListener } std::string fingerprint; - if (ifo->oper_block->readString("fingerprint", fingerprint) && (!cert || cert->GetFingerprint() != fingerprint)) + if (ifo->oper_block->readString("fingerprint", fingerprint) && (!cert || !MatchFP(cert, fingerprint))) { user->WriteNumeric(ERR_NOOPERHOST, "This oper login requires a matching SSL certificate fingerprint."); user->CommandFloodPenalty += 10000; @@ -210,13 +274,6 @@ class ModuleSSLInfo : public Module, public Whois::EventListener return MOD_RES_PASSTHRU; } - void OnUserConnect(LocalUser* user) CXX11_OVERRIDE - { - ssl_cert* cert = SSLClientCert::GetCertificate(&user->eh); - if (cert) - cmd.CertExt.set(user, cert); - } - void OnPostConnect(User* user) CXX11_OVERRIDE { LocalUser* const localuser = IS_LOCAL(user); @@ -224,7 +281,7 @@ class ModuleSSLInfo : public Module, public Whois::EventListener return; const SSLIOHook* const ssliohook = SSLIOHook::IsSSL(&localuser->eh); - if (!ssliohook) + if (!ssliohook || cmd.sslapi.nosslext.get(localuser)) return; ssl_cert* const cert = ssliohook->GetCertificate(); @@ -248,14 +305,14 @@ class ModuleSSLInfo : public Module, public Whois::EventListener { OperInfo* ifo = i->second; std::string fp = ifo->oper_block->getString("fingerprint"); - if (fp == cert->fingerprint && ifo->oper_block->getBool("autologin")) + if (MatchFP(cert, fp) && ifo->oper_block->getBool("autologin")) user->Oper(ifo); } } ModResult OnSetConnectClass(LocalUser* user, ConnectClass* myclass) CXX11_OVERRIDE { - ssl_cert* cert = SSLClientCert::GetCertificate(&user->eh); + ssl_cert* cert = cmd.sslapi.GetCertificate(user); bool ok = true; if (myclass->config->getString("requiressl") == "trusted") { @@ -265,13 +322,45 @@ class ModuleSSLInfo : public Module, public Whois::EventListener else if (myclass->config->getBool("requiressl")) { ok = (cert != NULL); - ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class requires any SSL cert. Client %s one.", (ok ? "has" : "does not have")); + ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class requires SSL. Client %s using SSL.", (ok ? "is" : "is not")); } if (!ok) return MOD_RES_DENY; return MOD_RES_PASSTHRU; } + + void OnWebIRCAuth(LocalUser* user, const WebIRC::FlagMap* flags) CXX11_OVERRIDE + { + // We are only interested in connection flags. If none have been + // given then we have nothing to do. + if (!flags) + return; + + // We only care about the tls connection flag if the connection + // between the gateway and the server is secure. + if (!cmd.sslapi.GetCertificate(user)) + return; + + WebIRC::FlagMap::const_iterator iter = flags->find("secure"); + if (iter == flags->end()) + { + // If this is not set then the connection between the client and + // the gateway is not secure. + cmd.sslapi.nosslext.set(user, 1); + cmd.sslapi.sslext.unset(user); + return; + } + + // Create a fake ssl_cert for the user. + ssl_cert* cert = new ssl_cert; + cert->error = "WebIRC users can not specify valid certs yet"; + cert->invalid = true; + cert->revoked = true; + cert->trusted = false; + cert->unknownsigner = true; + cmd.sslapi.SetCertificate(user, cert); + } }; MODULE_INIT(ModuleSSLInfo)