]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_sslinfo.cpp
Read <sslinfo:operonly> once at load time.
[user/henk/code/inspircd.git] / src / modules / m_sslinfo.cpp
index 1b1ce9eaa090c059a89d95a8bcd862e473453771..3ced2bc8bcd5e005d45654b15f09beb0539eee61 100644 (file)
@@ -1,7 +1,16 @@
 /*
  * InspIRCd -- Internet Relay Chat Daemon
  *
+ *   Copyright (C) 2020 Matt Schatz <genius3000@g3k.solutions>
+ *   Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
+ *   Copyright (C) 2013, 2017-2020 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012-2016 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2010 Adam <Adam@anope.org>
  *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2006-2007, 2009-2010 Craig Edwards <brain@inspircd.org>
  *
  * 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
@@ -58,12 +67,12 @@ class SSLCertExt : public ExtensionItem
                free(container, unset_raw(container));
        }
 
-       std::string serialize(SerializeFormat format, const Extensible* container, void* item) const CXX11_OVERRIDE
+       std::string ToNetwork(const Extensible* container, void* item) const CXX11_OVERRIDE
        {
                return static_cast<ssl_cert*>(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);
@@ -129,7 +138,7 @@ class UserCertificateAPIImpl : public UserCertificateAPIBase
 
        void SetCertificate(User* user, ssl_cert* cert) CXX11_OVERRIDE
        {
-               ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Setting SSL certificate for %s: %s",
+               ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Setting TLS (SSL) client certificate for %s: %s",
                        user->GetFullHost().c_str(), cert->GetMetaLine().c_str());
                sslext.set(user, cert);
        }
@@ -139,12 +148,13 @@ class CommandSSLInfo : public Command
 {
  public:
        UserCertificateAPIImpl sslapi;
+       bool operonlyfp;
 
        CommandSSLInfo(Module* Creator)
                : Command(Creator, "SSLINFO", 1)
                , sslapi(Creator)
        {
-               this->syntax = "<nick>";
+               syntax = "<nick>";
        }
 
        CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
@@ -156,20 +166,22 @@ class CommandSSLInfo : public Command
                        user->WriteNumeric(Numerics::NoSuchNick(parameters[0]));
                        return CMD_FAILURE;
                }
-               bool operonlyfp = ServerInstance->Config->ConfValue("sslinfo")->getBool("operonly");
+
                if (operonlyfp && !user->IsOper() && target != user)
                {
-                       user->WriteNotice("*** You cannot view SSL certificate information for other users");
+                       user->WriteNotice("*** You cannot view TLS (SSL) client certificate information for other users");
                        return CMD_FAILURE;
                }
+
                ssl_cert* cert = sslapi.GetCertificate(target);
                if (!cert)
                {
-                       user->WriteNotice("*** No SSL certificate for this user");
+                       user->WriteNotice(InspIRCd::Format("*** %s is not connected using TLS (SSL).", target->nick.c_str()));
                }
                else if (cert->GetError().length())
                {
-                       user->WriteNotice("*** No SSL certificate information for this user (" + cert->GetError() + ").");
+                       user->WriteNotice(InspIRCd::Format("*** %s is connected using TLS (SSL) but has not specified a valid client certificate (%s).",
+                               target->nick.c_str(), cert->GetError().c_str()));
                }
                else
                {
@@ -177,6 +189,7 @@ class CommandSSLInfo : public Command
                        user->WriteNotice("*** Issuer:             " + cert->GetIssuer());
                        user->WriteNotice("*** Key Fingerprint:    " + cert->GetFingerprint());
                }
+
                return CMD_SUCCESS;
        }
 };
@@ -204,9 +217,15 @@ class ModuleSSLInfo
        {
        }
 
+       void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
+       {
+               ConfigTag* tag = ServerInstance->Config->ConfValue("sslinfo");
+               cmd.operonlyfp = tag->getBool("operonly");
+       }
+
        Version GetVersion() CXX11_OVERRIDE
        {
-               return Version("SSL Certificate Utilities", VF_VENDOR);
+               return Version("Adds user facing TLS (SSL) information, various TLS (SSL) configuration options, and the /SSLINFO command to look up TLS (SSL) certificate information for other users.", VF_VENDOR);
        }
 
        void OnWhois(Whois::Context& whois) CXX11_OVERRIDE
@@ -215,9 +234,8 @@ class ModuleSSLInfo
                if (cert)
                {
                        whois.SendLine(RPL_WHOISSECURE, "is using a secure connection");
-                       bool operonlyfp = ServerInstance->Config->ConfValue("sslinfo")->getBool("operonly");
-                       if ((!operonlyfp || whois.IsSelfWhois() || whois.GetSource()->IsOper()) && !cert->fingerprint.empty())
-                               whois.SendLine(RPL_WHOISCERTFP, InspIRCd::Format("has client certificate fingerprint %s", cert->fingerprint.c_str()));
+                       if ((!cmd.operonlyfp || whois.IsSelfWhois() || whois.GetSource()->IsOper()) && !cert->fingerprint.empty())
+                               whois.SendLine(RPL_WHOISCERTFP, InspIRCd::Format("has TLS (SSL) client certificate fingerprint %s", cert->fingerprint.c_str()));
                }
        }
 
@@ -246,16 +264,18 @@ class ModuleSSLInfo
 
                                if (ifo->oper_block->getBool("sslonly") && !cert)
                                {
-                                       user->WriteNumeric(ERR_NOOPERHOST, "This oper login requires an SSL connection.");
+                                       user->WriteNumeric(ERR_NOOPERHOST, "Invalid oper credentials");
                                        user->CommandFloodPenalty += 10000;
+                                       ServerInstance->SNO->WriteGlobalSno('o', "WARNING! Failed oper attempt by %s using login '%s': a secure connection is required.", user->GetFullRealHost().c_str(), parameters[0].c_str());
                                        return MOD_RES_DENY;
                                }
 
                                std::string 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->WriteNumeric(ERR_NOOPERHOST, "Invalid oper credentials");
                                        user->CommandFloodPenalty += 10000;
+                                       ServerInstance->SNO->WriteGlobalSno('o', "WARNING! Failed oper attempt by %s using login '%s': their TLS (SSL) client certificate fingerprint does not match.", user->GetFullRealHost().c_str(), parameters[0].c_str());
                                        return MOD_RES_DENY;
                                }
                        }
@@ -277,21 +297,20 @@ class ModuleSSLInfo
 
                ssl_cert* const cert = ssliohook->GetCertificate();
 
-               {
-                       std::string text = "*** You are connected to ";
-                       if (!ssliohook->GetServerName(text))
-                               text.append(ServerInstance->Config->ServerName);
-                       text.append(" using SSL cipher '");
-                       ssliohook->GetCiphersuite(text);
-                       text.push_back('\'');
-                       if ((cert) && (!cert->GetFingerprint().empty()))
-                               text.append(" and your SSL certificate fingerprint is ").append(cert->GetFingerprint());
-                       user->WriteNotice(text);
-               }
+               std::string text = "*** You are connected to ";
+               if (!ssliohook->GetServerName(text))
+                       text.append(ServerInstance->Config->GetServerName());
+               text.append(" using TLS (SSL) cipher '");
+               ssliohook->GetCiphersuite(text);
+               text.push_back('\'');
+               if (cert && !cert->GetFingerprint().empty())
+                       text.append(" and your TLS (SSL) client certificate fingerprint is ").append(cert->GetFingerprint());
+               user->WriteNotice(text);
 
                if (!cert)
                        return;
-               // find an auto-oper block for this user
+
+               // Find an auto-oper block for this user
                for (ServerConfig::OperIndex::const_iterator i = ServerInstance->Config->oper_blocks.begin(); i != ServerInstance->Config->oper_blocks.end(); ++i)
                {
                        OperInfo* ifo = i->second;
@@ -303,21 +322,27 @@ class ModuleSSLInfo
 
        ModResult OnSetConnectClass(LocalUser* user, ConnectClass* myclass) CXX11_OVERRIDE
        {
-               ssl_cert* cert = SSLClientCert::GetCertificate(&user->eh);
-               bool ok = true;
-               if (myclass->config->getString("requiressl") == "trusted")
+               ssl_cert* cert = cmd.sslapi.GetCertificate(user);
+               const char* error = NULL;
+               const std::string requiressl = myclass->config->getString("requiressl");
+               if (stdalgo::string::equalsci(requiressl, "trusted"))
                {
-                       ok = (cert && cert->IsCAVerified());
-                       ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class requires a trusted SSL cert. Client %s one.", (ok ? "has" : "does not have"));
+                       if (!cert || !cert->IsCAVerified())
+                               error = "a trusted TLS (SSL) client certificate";
                }
                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"));
+                       if (!cert)
+                               error = "a TLS (SSL) connection";
                }
 
-               if (!ok)
+               if (error)
+               {
+                       ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "The %s connect class is not suitable as it requires %s",
+                               myclass->GetName().c_str(), error);
                        return MOD_RES_DENY;
+               }
+
                return MOD_RES_PASSTHRU;
        }