-/* +------------------------------------+
- * | 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) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
*
- * 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 <http://www.gnu.org/licenses/>.
*/
+
#include "inspircd.h"
-#include "transport.h"
+#include "modules/ssl.h"
+
+enum
+{
+ // From oftc-hybrid.
+ RPL_WHOISCERTFP = 276,
-/* $ModDesc: Provides SSL metadata, including /WHOIS information and /SSLINFO command */
+ // From UnrealIRCd.
+ RPL_WHOISSECURE = 671
+};
+
+class SSLCertExt : public ExtensionItem {
+ public:
+ SSLCertExt(Module* parent)
+ : ExtensionItem("ssl_cert", ExtensionItem::EXT_USER, parent)
+ {
+ }
+
+ ssl_cert* get(const Extensible* item) const
+ {
+ return static_cast<ssl_cert*>(get_raw(item));
+ }
+ void set(Extensible* item, ssl_cert* value)
+ {
+ value->refcount_inc();
+ ssl_cert* old = static_cast<ssl_cert*>(set_raw(item, value));
+ if (old && old->refcount_dec())
+ delete old;
+ }
+
+ std::string serialize(SerializeFormat format, 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
+ {
+ ssl_cert* cert = new ssl_cert;
+ set(container, cert);
+
+ std::stringstream s(value);
+ std::string v;
+ getline(s,v,' ');
+
+ cert->invalid = (v.find('v') != std::string::npos);
+ cert->trusted = (v.find('T') != std::string::npos);
+ cert->revoked = (v.find('R') != std::string::npos);
+ cert->unknownsigner = (v.find('s') != std::string::npos);
+ if (v.find('E') != std::string::npos)
+ {
+ getline(s,cert->error,'\n');
+ }
+ else
+ {
+ getline(s,cert->fingerprint,' ');
+ getline(s,cert->dn,' ');
+ getline(s,cert->issuer,'\n');
+ }
+ }
+
+ void free(void* item) CXX11_OVERRIDE
+ {
+ ssl_cert* old = static_cast<ssl_cert*>(item);
+ if (old && old->refcount_dec())
+ delete old;
+ }
+};
/** Handle /SSLINFO
*/
class CommandSSLInfo : public Command
{
public:
- CommandSSLInfo(InspIRCd* Instance, Module* Creator) : Command(Instance, Creator, "SSLINFO", 0, 1)
+ SSLCertExt CertExt;
+
+ CommandSSLInfo(Module* Creator) : Command(Creator, "SSLINFO", 1), CertExt(Creator)
{
this->syntax = "<nick>";
}
- CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
+ CmdResult Handle(const std::vector<std::string>& parameters, User* user) CXX11_OVERRIDE
{
- User* target = ServerInstance->FindNick(parameters[0]);
- ssl_cert* cert;
+ User* target = ServerInstance->FindNickOnly(parameters[0]);
- if (target)
+ if ((!target) || (target->registered != REG_ALL))
{
- if (target->GetExt("ssl_cert", cert))
- {
- if (cert->GetError().length())
- {
- user->WriteServ("NOTICE %s :*** No SSL certificate information for this user (%s).", user->nick.c_str(), cert->GetError().c_str());
- }
- else
- {
- user->WriteServ("NOTICE %s :*** Distinguised Name: %s", user->nick.c_str(), cert->GetDN().c_str());
- user->WriteServ("NOTICE %s :*** Issuer: %s", user->nick.c_str(), cert->GetIssuer().c_str());
- user->WriteServ("NOTICE %s :*** Key Fingerprint: %s", user->nick.c_str(), cert->GetFingerprint().c_str());
- }
- return CMD_LOCALONLY;
- }
- else
- {
- user->WriteServ("NOTICE %s :*** No SSL certificate information for this user.", user->nick.c_str());
- return CMD_FAILURE;
- }
+ 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");
+ return CMD_FAILURE;
+ }
+ ssl_cert* cert = CertExt.get(target);
+ if (!cert)
+ {
+ user->WriteNotice("*** No SSL certificate for this user");
+ }
+ else if (cert->GetError().length())
+ {
+ user->WriteNotice("*** No SSL certificate information for this user (" + cert->GetError() + ").");
}
else
- user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nickname", user->nick.c_str(), parameters[0].c_str());
-
- return CMD_FAILURE;
+ {
+ user->WriteNotice("*** Distinguished Name: " + cert->GetDN());
+ user->WriteNotice("*** Issuer: " + cert->GetIssuer());
+ user->WriteNotice("*** Key Fingerprint: " + cert->GetFingerprint());
+ }
+ return CMD_SUCCESS;
}
};
-class ModuleSSLInfo : public Module
+class UserCertificateAPIImpl : public UserCertificateAPIBase
{
- CommandSSLInfo cmd;
+ SSLCertExt& ext;
+
public:
- ModuleSSLInfo(InspIRCd* Me)
- : Module(Me), cmd(Me, this)
+ UserCertificateAPIImpl(Module* mod, SSLCertExt& certext)
+ : UserCertificateAPIBase(mod), ext(certext)
{
- ServerInstance->AddCommand(&cmd);
-
- Implementation eventlist[] = { I_OnSyncUser, I_OnDecodeMetaData, I_OnWhois, I_OnPreCommand };
- ServerInstance->Modules->Attach(eventlist, this, 4);
}
+ ssl_cert* GetCertificate(User* user) CXX11_OVERRIDE
+ {
+ return ext.get(user);
+ }
+};
+
+class ModuleSSLInfo : public Module, public Whois::EventListener
+{
+ CommandSSLInfo cmd;
+ UserCertificateAPIImpl APIImpl;
- virtual ~ModuleSSLInfo()
+ public:
+ ModuleSSLInfo()
+ : Whois::EventListener(this)
+ , cmd(this)
+ , APIImpl(this, cmd.CertExt)
{
}
- virtual Version GetVersion()
+ Version GetVersion() CXX11_OVERRIDE
{
- return Version("$Id$", VF_VENDOR, API_VERSION);
+ return Version("SSL Certificate Utilities", VF_VENDOR);
}
- virtual void OnWhois(User* source, User* dest)
+ void OnWhois(Whois::Context& whois) CXX11_OVERRIDE
{
- if(dest->GetExt("ssl"))
+ ssl_cert* cert = cmd.CertExt.get(whois.GetTarget());
+ if (cert)
{
- ServerInstance->SendWhoisLine(source, dest, 320, "%s %s :is using a secure connection", source->nick.c_str(), dest->nick.c_str());
+ 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()));
}
}
- virtual void OnSyncUser(User* user, Module* proto, void* opaque)
+ ModResult OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser *user, bool validated, const std::string &original_line) CXX11_OVERRIDE
{
- if (user->GetExt("ssl"))
- proto->ProtoSendMetaData(opaque, user, "ssl", "ON");
-
- ssl_cert* cert;
- if (user->GetExt("ssl_cert", cert))
- proto->ProtoSendMetaData(opaque, user, "ssl_cert", cert->GetMetaLine().c_str());
- }
-
- virtual void OnDecodeMetaData(Extensible* target, const std::string &extname, const std::string &extdata)
- {
- User* dest = dynamic_cast<User*>(target);
- // check if its our metadata key, and its associated with a user
- if (dest && (extname == "ssl"))
+ if ((command == "OPER") && (validated))
{
- // if they dont already have an ssl flag, accept the remote server's
- if (!dest->GetExt(extname))
+ ServerConfig::OperIndex::const_iterator i = ServerInstance->Config->oper_blocks.find(parameters[0]);
+ if (i != ServerInstance->Config->oper_blocks.end())
{
- dest->Extend(extname);
- }
- }
- else if (dest && (extname == "ssl_cert"))
- {
- if (dest->GetExt(extname))
- return;
+ OperInfo* ifo = i->second;
+ ssl_cert* cert = cmd.CertExt.get(user);
- ssl_cert* cert = new ssl_cert;
- dest->Extend(extname, cert);
-
- std::stringstream s(extdata);
- std::string v;
- getline(s,v,' ');
+ if (ifo->oper_block->getBool("sslonly") && !cert)
+ {
+ user->WriteNumeric(ERR_NOOPERHOST, "This oper login requires an SSL connection.");
+ user->CommandFloodPenalty += 10000;
+ return MOD_RES_DENY;
+ }
- cert->invalid = (v.find('v') != std::string::npos);
- cert->trusted = (v.find('T') != std::string::npos);
- cert->revoked = (v.find('R') != std::string::npos);
- cert->unknownsigner = (v.find('s') != std::string::npos);
- if (v.find('E') != std::string::npos)
- {
- getline(s,cert->error,'\n');
- }
- else
- {
- getline(s,cert->fingerprint,' ');
- getline(s,cert->dn,' ');
- getline(s,cert->issuer,'\n');
+ std::string fingerprint;
+ if (ifo->oper_block->readString("fingerprint", fingerprint) && (!cert || cert->GetFingerprint() != fingerprint))
+ {
+ user->WriteNumeric(ERR_NOOPERHOST, "This oper login requires a matching SSL certificate fingerprint.");
+ user->CommandFloodPenalty += 10000;
+ return MOD_RES_DENY;
+ }
}
}
+
+ // Let core handle it for extra stuff
+ return MOD_RES_PASSTHRU;
}
- bool OneOfMatches(const char* host, const char* ip, const char* hostlist)
+ void OnUserConnect(LocalUser* user) CXX11_OVERRIDE
{
- std::stringstream hl(hostlist);
- std::string xhost;
- while (hl >> xhost)
- {
- if (InspIRCd::Match(host, xhost, ascii_case_insensitive_map) || InspIRCd::MatchCIDR(ip, xhost, ascii_case_insensitive_map))
- {
- return true;
- }
- }
- return false;
+ ssl_cert* cert = SSLClientCert::GetCertificate(&user->eh);
+ if (cert)
+ cmd.CertExt.set(user, cert);
}
- virtual int OnPreCommand(std::string &command, std::vector<std::string> ¶meters, User *user, bool validated, const std::string &original_line)
+ void OnPostConnect(User* user) CXX11_OVERRIDE
{
- irc::string pcmd = command.c_str();
-
- if ((pcmd == "OPER") && (validated))
- {
- ConfigReader cf(ServerInstance);
- char TheHost[MAXBUF];
- char TheIP[MAXBUF];
- std::string LoginName;
- std::string Password;
- std::string OperType;
- std::string HostName;
- std::string HashType;
- std::string FingerPrint;
- bool SSLOnly;
- ssl_cert* cert = NULL;
-
- snprintf(TheHost,MAXBUF,"%s@%s",user->ident.c_str(),user->host.c_str());
- snprintf(TheIP, MAXBUF,"%s@%s",user->ident.c_str(),user->GetIPString());
-
- user->GetExt("ssl_cert",cert);
-
- for (int i = 0; i < cf.Enumerate("oper"); i++)
- {
- LoginName = cf.ReadValue("oper", "name", i);
- Password = cf.ReadValue("oper", "password", i);
- OperType = cf.ReadValue("oper", "type", i);
- HostName = cf.ReadValue("oper", "host", i);
- HashType = cf.ReadValue("oper", "hash", i);
- FingerPrint = cf.ReadValue("oper", "fingerprint", i);
- SSLOnly = cf.ReadFlag("oper", "sslonly", i);
-
- if (FingerPrint.empty() && !SSLOnly)
- continue;
+ LocalUser* const localuser = IS_LOCAL(user);
+ if (!localuser)
+ return;
- if (LoginName != parameters[0])
- continue;
+ const SSLIOHook* const ssliohook = SSLIOHook::IsSSL(&localuser->eh);
+ if (!ssliohook)
+ return;
- if (!OneOfMatches(TheHost, TheIP, HostName.c_str()))
- continue;
+ ssl_cert* const cert = ssliohook->GetCertificate();
- if (Password.length() && ServerInstance->PassCompare(user, Password.c_str(),parameters[1].c_str(), HashType.c_str()))
- continue;
-
- if (SSLOnly && !user->GetExt("ssl"))
- {
- user->WriteNumeric(491, "%s :This oper login name requires an SSL connection.", user->nick.c_str());
- return 1;
- }
-
- /*
- * No cert found or the fingerprint doesn't match
- */
- if ((!cert) || (cert->GetFingerprint() != FingerPrint))
- {
- user->WriteNumeric(491, "%s :This oper login name requires a matching key fingerprint.",user->nick.c_str());
- ServerInstance->SNO->WriteToSnoMask('o',"'%s' cannot oper, does not match fingerprint", user->nick.c_str());
- ServerInstance->Logs->Log("m_ssl_oper_cert",DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but wrong fingerprint.", user->nick.c_str(), user->ident.c_str(), user->host.c_str());
- return 1;
- }
- }
+ {
+ 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);
}
- // Let core handle it for extra stuff
- return 0;
+ if (!cert)
+ return;
+ // 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;
+ std::string fp = ifo->oper_block->getString("fingerprint");
+ if (fp == cert->fingerprint && ifo->oper_block->getBool("autologin"))
+ user->Oper(ifo);
+ }
}
+ ModResult OnSetConnectClass(LocalUser* user, ConnectClass* myclass) CXX11_OVERRIDE
+ {
+ ssl_cert* cert = SSLClientCert::GetCertificate(&user->eh);
+ bool ok = true;
+ if (myclass->config->getString("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"));
+ }
+ 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 (!ok)
+ return MOD_RES_DENY;
+ return MOD_RES_PASSTHRU;
+ }
};
MODULE_INIT(ModuleSSLInfo)
-