2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
6 * Copyright (C) 2006-2008 Craig Edwards <craigedwards@brainbox.cc>
7 * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
8 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
9 * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
11 * This file is part of InspIRCd. InspIRCd is free software: you can
12 * redistribute it and/or modify it under the terms of the GNU General Public
13 * License as published by the Free Software Foundation, version 2.
15 * This program is distributed in the hope that it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
20 * You should have received a copy of the GNU General Public License
21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
27 #include "modules/ssl.h"
29 // Ignore OpenSSL deprecation warnings on OS X Lion and newer.
31 # pragma GCC diagnostic ignored "-Wdeprecated-declarations"
34 // Fix warnings about the use of `long long` on C++03.
36 # pragma clang diagnostic ignored "-Wc++11-long-long"
37 #elif defined __GNUC__
38 # pragma GCC diagnostic ignored "-Wlong-long"
41 #include <openssl/ssl.h>
42 #include <openssl/err.h>
45 # pragma comment(lib, "ssleay32.lib")
46 # pragma comment(lib, "libeay32.lib")
49 /* $CompileFlags: pkgconfversion("openssl","0.9.7") pkgconfincludes("openssl","/openssl/ssl.h","") */
50 /* $LinkerFlags: rpath("pkg-config --libs openssl") pkgconflibs("openssl","/libssl.so","-lssl -lcrypto") */
52 #if ((OPENSSL_VERSION_NUMBER >= 0x10000000L) && (!(defined(OPENSSL_NO_ECDH))))
53 // OpenSSL 0.9.8 includes some ECC support, but it's unfinished. Enable only for 1.0.0 and later.
54 #define INSPIRCD_OPENSSL_ENABLE_ECDH
57 enum issl_status { ISSL_NONE, ISSL_HANDSHAKING, ISSL_OPEN };
59 static bool SelfSigned = false;
60 static int exdataindex;
64 return ERR_error_string(ERR_get_error(), NULL);
67 static int OnVerify(int preverify_ok, X509_STORE_CTX* ctx);
68 static void StaticSSLInfoCallback(const SSL* ssl, int where, int rc);
72 class Exception : public ModuleException
75 Exception(const std::string& reason)
76 : ModuleException(reason) { }
84 DHParams(const std::string& filename)
86 BIO* dhpfile = BIO_new_file(filename.c_str(), "r");
88 throw Exception("Couldn't open DH file " + filename);
90 dh = PEM_read_bio_DHparams(dhpfile, NULL, NULL, NULL);
94 throw Exception("Couldn't read DH params from file " + filename);
114 Context(SSL_CTX* context)
117 // Sane default options for OpenSSL see https://www.openssl.org/docs/ssl/SSL_CTX_set_options.html
118 // and when choosing a cipher, use the server's preferences instead of the client preferences.
119 long opts = SSL_OP_NO_SSLv2 | SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION | SSL_OP_CIPHER_SERVER_PREFERENCE | SSL_OP_SINGLE_DH_USE;
120 // Only turn options on if they exist
121 #ifdef SSL_OP_SINGLE_ECDH_USE
122 opts |= SSL_OP_SINGLE_ECDH_USE;
124 #ifdef SSL_OP_NO_TICKET
125 opts |= SSL_OP_NO_TICKET;
128 ctx_options = SSL_CTX_set_options(ctx, opts);
130 long mode = SSL_MODE_ENABLE_PARTIAL_WRITE | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER;
131 #ifdef SSL_MODE_RELEASE_BUFFERS
132 mode |= SSL_MODE_RELEASE_BUFFERS;
134 SSL_CTX_set_mode(ctx, mode);
135 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, OnVerify);
136 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
137 SSL_CTX_set_info_callback(ctx, StaticSSLInfoCallback);
145 bool SetDH(DHParams& dh)
148 return (SSL_CTX_set_tmp_dh(ctx, dh.get()) >= 0);
151 #ifdef INSPIRCD_OPENSSL_ENABLE_ECDH
152 void SetECDH(const std::string& curvename)
154 int nid = OBJ_sn2nid(curvename.c_str());
156 throw Exception("Unknown curve: " + curvename);
158 EC_KEY* eckey = EC_KEY_new_by_curve_name(nid);
160 throw Exception("Unable to create EC key object");
163 bool ret = (SSL_CTX_set_tmp_ecdh(ctx, eckey) >= 0);
166 throw Exception("Couldn't set ECDH parameters");
170 bool SetCiphers(const std::string& ciphers)
173 return SSL_CTX_set_cipher_list(ctx, ciphers.c_str());
176 bool SetCerts(const std::string& filename)
179 return SSL_CTX_use_certificate_chain_file(ctx, filename.c_str());
182 bool SetPrivateKey(const std::string& filename)
185 return SSL_CTX_use_PrivateKey_file(ctx, filename.c_str(), SSL_FILETYPE_PEM);
188 bool SetCA(const std::string& filename)
191 return SSL_CTX_load_verify_locations(ctx, filename.c_str(), 0);
194 long GetDefaultContextOptions() const
199 long SetRawContextOptions(long setoptions, long clearoptions)
202 SSL_CTX_clear_options(ctx, SSL_CTX_get_options(ctx));
204 // Set the default options and what is in the conf
205 SSL_CTX_set_options(ctx, ctx_options | setoptions);
206 return SSL_CTX_clear_options(ctx, clearoptions);
209 SSL* CreateServerSession()
211 SSL* sess = SSL_new(ctx);
212 SSL_set_accept_state(sess); // Act as server
216 SSL* CreateClientSession()
218 SSL* sess = SSL_new(ctx);
219 SSL_set_connect_state(sess); // Act as client
224 class Profile : public refcountbase
226 /** Name of this profile
228 const std::string name;
230 /** DH parameters in use
234 /** OpenSSL makes us have two contexts, one for servers and one for clients
239 /** Digest to use when generating fingerprints
241 const EVP_MD* digest;
243 /** Last error, set by error_callback()
247 /** True if renegotiations are allowed, false if not
249 const bool allowrenego;
251 /** Rough max size of records to send
253 const unsigned int outrecsize;
255 static int error_callback(const char* str, size_t len, void* u)
257 Profile* profile = reinterpret_cast<Profile*>(u);
258 profile->lasterr = std::string(str, len - 1);
262 /** Set raw OpenSSL context (SSL_CTX) options from a config tag
263 * @param ctxname Name of the context, client or server
264 * @param tag Config tag defining this profile
265 * @param context Context object to manipulate
267 void SetContextOptions(const std::string& ctxname, ConfigTag* tag, Context& context)
269 long setoptions = tag->getInt(ctxname + "setoptions");
270 long clearoptions = tag->getInt(ctxname + "clearoptions");
271 #ifdef SSL_OP_NO_COMPRESSION
272 if (!tag->getBool("compression", false)) // Disable compression by default
273 setoptions |= SSL_OP_NO_COMPRESSION;
275 if (!tag->getBool("sslv3", false)) // Disable SSLv3 by default
276 setoptions |= SSL_OP_NO_SSLv3;
277 if (!tag->getBool("tlsv1", true))
278 setoptions |= SSL_OP_NO_TLSv1;
280 if (!setoptions && !clearoptions)
281 return; // Nothing to do
283 ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Setting %s %s context options, default: %ld set: %ld clear: %ld", name.c_str(), ctxname.c_str(), ctx.GetDefaultContextOptions(), setoptions, clearoptions);
284 long final = context.SetRawContextOptions(setoptions, clearoptions);
285 ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "%s %s context options: %ld", name.c_str(), ctxname.c_str(), final);
289 Profile(const std::string& profilename, ConfigTag* tag)
291 , dh(ServerInstance->Config->Paths.PrependConfig(tag->getString("dhfile", "dh.pem")))
292 , ctx(SSL_CTX_new(SSLv23_server_method()))
293 , clictx(SSL_CTX_new(SSLv23_client_method()))
294 , allowrenego(tag->getBool("renegotiation")) // Disallow by default
295 , outrecsize(tag->getInt("outrecsize", 2048, 512, 16384))
297 if ((!ctx.SetDH(dh)) || (!clictx.SetDH(dh)))
298 throw Exception("Couldn't set DH parameters");
300 std::string hash = tag->getString("hash", "md5");
301 digest = EVP_get_digestbyname(hash.c_str());
303 throw Exception("Unknown hash type " + hash);
305 std::string ciphers = tag->getString("ciphers");
306 if (!ciphers.empty())
308 if ((!ctx.SetCiphers(ciphers)) || (!clictx.SetCiphers(ciphers)))
310 ERR_print_errors_cb(error_callback, this);
311 throw Exception("Can't set cipher list to \"" + ciphers + "\" " + lasterr);
315 #ifdef INSPIRCD_OPENSSL_ENABLE_ECDH
316 std::string curvename = tag->getString("ecdhcurve", "prime256v1");
317 if (!curvename.empty())
318 ctx.SetECDH(curvename);
321 SetContextOptions("server", tag, ctx);
322 SetContextOptions("client", tag, clictx);
324 /* Load our keys and certificates
325 * NOTE: OpenSSL's error logging API sucks, don't blame us for this clusterfuck.
327 std::string filename = ServerInstance->Config->Paths.PrependConfig(tag->getString("certfile", "cert.pem"));
328 if ((!ctx.SetCerts(filename)) || (!clictx.SetCerts(filename)))
330 ERR_print_errors_cb(error_callback, this);
331 throw Exception("Can't read certificate file: " + lasterr);
334 filename = ServerInstance->Config->Paths.PrependConfig(tag->getString("keyfile", "key.pem"));
335 if ((!ctx.SetPrivateKey(filename)) || (!clictx.SetPrivateKey(filename)))
337 ERR_print_errors_cb(error_callback, this);
338 throw Exception("Can't read key file: " + lasterr);
341 // Load the CAs we trust
342 filename = ServerInstance->Config->Paths.PrependConfig(tag->getString("cafile", "ca.pem"));
343 if ((!ctx.SetCA(filename)) || (!clictx.SetCA(filename)))
345 ERR_print_errors_cb(error_callback, this);
346 ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Can't read CA list from %s. This is only a problem if you want to verify client certificates, otherwise it's safe to ignore this message. Error: %s", filename.c_str(), lasterr.c_str());
350 const std::string& GetName() const { return name; }
351 SSL* CreateServerSession() { return ctx.CreateServerSession(); }
352 SSL* CreateClientSession() { return clictx.CreateClientSession(); }
353 const EVP_MD* GetDigest() { return digest; }
354 bool AllowRenegotiation() const { return allowrenego; }
355 unsigned int GetOutgoingRecordSize() const { return outrecsize; }
360 static int create(BIO* bio)
366 static int destroy(BIO* bio)
368 // XXX: Dummy function to avoid a memory leak in OpenSSL.
369 // The memory leak happens in BIO_free() (bio_lib.c) when the destroy func of the BIO is NULL.
370 // This is fixed in OpenSSL but some distros still ship the unpatched version hence we provide this workaround.
374 static long ctrl(BIO* bio, int cmd, long num, void* ptr)
376 if (cmd == BIO_CTRL_FLUSH)
381 static int read(BIO* bio, char* buf, int len);
382 static int write(BIO* bio, const char* buf, int len);
386 static BIO_METHOD biomethods =
388 (100 | BIO_TYPE_SOURCE_SINK),
390 OpenSSL::BIOMethod::write,
391 OpenSSL::BIOMethod::read,
394 OpenSSL::BIOMethod::ctrl,
395 OpenSSL::BIOMethod::create,
396 OpenSSL::BIOMethod::destroy, // destroy, does nothing, see function body for more info
397 NULL // callback_ctrl
400 static int OnVerify(int preverify_ok, X509_STORE_CTX *ctx)
402 /* XXX: This will allow self signed certificates.
403 * In the future if we want an option to not allow this,
404 * we can just return preverify_ok here, and openssl
405 * will boot off self-signed and invalid peer certs.
407 int ve = X509_STORE_CTX_get_error(ctx);
409 SelfSigned = (ve == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT);
414 class OpenSSLIOHook : public SSLIOHook
420 reference<OpenSSL::Profile> profile;
422 // Returns 1 if handshake succeeded, 0 if it is still in progress, -1 if it failed
423 int Handshake(StreamSocket* user)
426 int ret = SSL_do_handshake(sess);
429 int err = SSL_get_error(sess, ret);
431 if (err == SSL_ERROR_WANT_READ)
433 SocketEngine::ChangeEventMask(user, FD_WANT_POLL_READ | FD_WANT_NO_WRITE);
434 this->status = ISSL_HANDSHAKING;
437 else if (err == SSL_ERROR_WANT_WRITE)
439 SocketEngine::ChangeEventMask(user, FD_WANT_NO_READ | FD_WANT_SINGLE_WRITE);
440 this->status = ISSL_HANDSHAKING;
451 // Handshake complete.
456 SocketEngine::ChangeEventMask(user, FD_WANT_POLL_READ | FD_WANT_NO_WRITE | FD_ADD_TRIAL_WRITE);
479 void VerifyCertificate()
482 ssl_cert* certinfo = new ssl_cert;
483 this->certificate = certinfo;
485 unsigned char md[EVP_MAX_MD_SIZE];
487 cert = SSL_get_peer_certificate(sess);
491 certinfo->error = "Could not get peer certificate: "+std::string(get_error());
495 certinfo->invalid = (SSL_get_verify_result(sess) != X509_V_OK);
499 certinfo->unknownsigner = false;
500 certinfo->trusted = true;
504 certinfo->unknownsigner = true;
505 certinfo->trusted = false;
509 X509_NAME_oneline(X509_get_subject_name(cert), buf, sizeof(buf));
511 // Make sure there are no chars in the string that we consider invalid
512 if (certinfo->dn.find_first_of("\r\n") != std::string::npos)
513 certinfo->dn.clear();
515 X509_NAME_oneline(X509_get_issuer_name(cert), buf, sizeof(buf));
516 certinfo->issuer = buf;
517 if (certinfo->issuer.find_first_of("\r\n") != std::string::npos)
518 certinfo->issuer.clear();
520 if (!X509_digest(cert, profile->GetDigest(), md, &n))
522 certinfo->error = "Out of memory generating fingerprint";
526 certinfo->fingerprint = BinToHex(md, n);
529 if ((ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(cert), ServerInstance->Time()) == -1) || (ASN1_UTCTIME_cmp_time_t(X509_get_notBefore(cert), ServerInstance->Time()) == 0))
531 certinfo->error = "Not activated, or expired certificate";
537 void SSLInfoCallback(int where, int rc)
539 if ((where & SSL_CB_HANDSHAKE_START) && (status == ISSL_OPEN))
541 if (profile->AllowRenegotiation())
544 // The other side is trying to renegotiate, kill the connection and change status
545 // to ISSL_NONE so CheckRenego() closes the session
547 BIO* bio = SSL_get_rbio(sess);
548 EventHandler* eh = static_cast<StreamSocket*>(bio->ptr);
549 SocketEngine::Shutdown(eh, 2);
553 bool CheckRenego(StreamSocket* sock)
555 if (status != ISSL_NONE)
558 ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Session %p killed, attempted to renegotiate", (void*)sess);
560 sock->SetError("Renegotiation is not allowed");
564 // Returns 1 if application I/O should proceed, 0 if it must wait for the underlying protocol to progress, -1 on fatal error
565 int PrepareIO(StreamSocket* sock)
567 if (status == ISSL_OPEN)
569 else if (status == ISSL_HANDSHAKING)
571 // The handshake isn't finished, try to finish it
572 return Handshake(sock);
579 // Calls our private SSLInfoCallback()
580 friend void StaticSSLInfoCallback(const SSL* ssl, int where, int rc);
583 OpenSSLIOHook(IOHookProvider* hookprov, StreamSocket* sock, SSL* session, const reference<OpenSSL::Profile>& sslprofile)
584 : SSLIOHook(hookprov)
587 , data_to_write(false)
588 , profile(sslprofile)
590 // Create BIO instance and store a pointer to the socket in it which will be used by the read and write functions
591 BIO* bio = BIO_new(&biomethods);
593 SSL_set_bio(sess, bio, bio);
595 SSL_set_ex_data(sess, exdataindex, this);
596 sock->AddIOHook(this);
600 void OnStreamSocketClose(StreamSocket* user) CXX11_OVERRIDE
605 int OnStreamSocketRead(StreamSocket* user, std::string& recvq) CXX11_OVERRIDE
607 // Finish handshake if needed
608 int prepret = PrepareIO(user);
612 // If we resumed the handshake then this->status will be ISSL_OPEN
615 char* buffer = ServerInstance->GetReadBuffer();
616 size_t bufsiz = ServerInstance->Config->NetBufferSize;
617 int ret = SSL_read(sess, buffer, bufsiz);
619 if (!CheckRenego(user))
624 recvq.append(buffer, ret);
626 SocketEngine::ChangeEventMask(user, FD_WANT_POLL_READ | FD_WANT_SINGLE_WRITE);
631 // Client closed connection.
633 user->SetError("Connection closed");
638 int err = SSL_get_error(sess, ret);
640 if (err == SSL_ERROR_WANT_READ)
642 SocketEngine::ChangeEventMask(user, FD_WANT_POLL_READ);
645 else if (err == SSL_ERROR_WANT_WRITE)
647 SocketEngine::ChangeEventMask(user, FD_WANT_NO_READ | FD_WANT_SINGLE_WRITE);
659 int OnStreamSocketWrite(StreamSocket* user) CXX11_OVERRIDE
661 // Finish handshake if needed
662 int prepret = PrepareIO(user);
666 data_to_write = true;
668 // Session is ready for transferring application data
669 StreamSocket::SendQueue& sendq = user->GetSendQ();
670 while (!sendq.empty())
673 FlattenSendQueue(sendq, profile->GetOutgoingRecordSize());
674 const StreamSocket::SendQueue::Element& buffer = sendq.front();
675 int ret = SSL_write(sess, buffer.data(), buffer.size());
677 if (!CheckRenego(user))
680 if (ret == (int)buffer.length())
682 // Wrote entire record, continue sending
687 sendq.erase_front(ret);
688 SocketEngine::ChangeEventMask(user, FD_WANT_SINGLE_WRITE);
698 int err = SSL_get_error(sess, ret);
700 if (err == SSL_ERROR_WANT_WRITE)
702 SocketEngine::ChangeEventMask(user, FD_WANT_SINGLE_WRITE);
705 else if (err == SSL_ERROR_WANT_READ)
707 SocketEngine::ChangeEventMask(user, FD_WANT_POLL_READ);
718 data_to_write = false;
719 SocketEngine::ChangeEventMask(user, FD_WANT_POLL_READ | FD_WANT_NO_WRITE);
723 void TellCiphersAndFingerprint(LocalUser* user)
727 std::string text = "*** You are connected using SSL cipher '";
728 GetCiphersuite(text);
730 const std::string& fingerprint = certificate->fingerprint;
731 if (!fingerprint.empty())
732 text += " and your SSL certificate fingerprint is " + fingerprint;
734 user->WriteNotice(text);
738 void GetCiphersuite(std::string& out) const
740 out.append(SSL_get_version(sess)).push_back('-');
741 out.append(SSL_get_cipher(sess));
744 bool IsHandshakeDone() const { return (status == ISSL_OPEN); }
747 static void StaticSSLInfoCallback(const SSL* ssl, int where, int rc)
749 OpenSSLIOHook* hook = static_cast<OpenSSLIOHook*>(SSL_get_ex_data(ssl, exdataindex));
750 hook->SSLInfoCallback(where, rc);
753 static int OpenSSL::BIOMethod::write(BIO* bio, const char* buffer, int size)
755 BIO_clear_retry_flags(bio);
757 StreamSocket* sock = static_cast<StreamSocket*>(bio->ptr);
758 if (sock->GetEventMask() & FD_WRITE_WILL_BLOCK)
760 // Writes blocked earlier, don't retry syscall
761 BIO_set_retry_write(bio);
765 int ret = SocketEngine::Send(sock, buffer, size, 0);
766 if ((ret < size) && ((ret > 0) || (SocketEngine::IgnoreError())))
768 // Blocked, set retry flag for OpenSSL
769 SocketEngine::ChangeEventMask(sock, FD_WRITE_WILL_BLOCK);
770 BIO_set_retry_write(bio);
776 static int OpenSSL::BIOMethod::read(BIO* bio, char* buffer, int size)
778 BIO_clear_retry_flags(bio);
780 StreamSocket* sock = static_cast<StreamSocket*>(bio->ptr);
781 if (sock->GetEventMask() & FD_READ_WILL_BLOCK)
783 // Reads blocked earlier, don't retry syscall
784 BIO_set_retry_read(bio);
788 int ret = SocketEngine::Recv(sock, buffer, size, 0);
789 if ((ret < size) && ((ret > 0) || (SocketEngine::IgnoreError())))
791 // Blocked, set retry flag for OpenSSL
792 SocketEngine::ChangeEventMask(sock, FD_READ_WILL_BLOCK);
793 BIO_set_retry_read(bio);
799 class OpenSSLIOHookProvider : public refcountbase, public IOHookProvider
801 reference<OpenSSL::Profile> profile;
804 OpenSSLIOHookProvider(Module* mod, reference<OpenSSL::Profile>& prof)
805 : IOHookProvider(mod, "ssl/" + prof->GetName(), IOHookProvider::IOH_SSL)
808 ServerInstance->Modules->AddService(*this);
811 ~OpenSSLIOHookProvider()
813 ServerInstance->Modules->DelService(*this);
816 void OnAccept(StreamSocket* sock, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server) CXX11_OVERRIDE
818 new OpenSSLIOHook(this, sock, profile->CreateServerSession(), profile);
821 void OnConnect(StreamSocket* sock) CXX11_OVERRIDE
823 new OpenSSLIOHook(this, sock, profile->CreateClientSession(), profile);
827 class ModuleSSLOpenSSL : public Module
829 typedef std::vector<reference<OpenSSLIOHookProvider> > ProfileList;
831 ProfileList profiles;
835 ProfileList newprofiles;
836 ConfigTagList tags = ServerInstance->Config->ConfTags("sslprofile");
837 if (tags.first == tags.second)
839 // Create a default profile named "openssl"
840 const std::string defname = "openssl";
841 ConfigTag* tag = ServerInstance->Config->ConfValue(defname);
842 ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "No <sslprofile> tags found, using settings from the <openssl> tag");
846 reference<OpenSSL::Profile> profile(new OpenSSL::Profile(defname, tag));
847 newprofiles.push_back(new OpenSSLIOHookProvider(this, profile));
849 catch (OpenSSL::Exception& ex)
851 throw ModuleException("Error while initializing the default SSL profile - " + ex.GetReason());
855 for (ConfigIter i = tags.first; i != tags.second; ++i)
857 ConfigTag* tag = i->second;
858 if (tag->getString("provider") != "openssl")
861 std::string name = tag->getString("name");
864 ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Ignoring <sslprofile> tag without name at " + tag->getTagLocation());
868 reference<OpenSSL::Profile> profile;
871 profile = new OpenSSL::Profile(name, tag);
873 catch (CoreException& ex)
875 throw ModuleException("Error while initializing SSL profile \"" + name + "\" at " + tag->getTagLocation() + " - " + ex.GetReason());
878 newprofiles.push_back(new OpenSSLIOHookProvider(this, profile));
881 profiles.swap(newprofiles);
887 // Initialize OpenSSL
889 SSL_load_error_strings();
892 void init() CXX11_OVERRIDE
894 ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "OpenSSL lib version \"%s\" module was compiled for \"" OPENSSL_VERSION_TEXT "\"", SSLeay_version(SSLEAY_VERSION));
896 // Register application specific data
897 char exdatastr[] = "inspircd";
898 exdataindex = SSL_get_ex_new_index(0, exdatastr, NULL, NULL, NULL);
900 throw ModuleException("Failed to register application specific data");
905 void OnModuleRehash(User* user, const std::string ¶m) CXX11_OVERRIDE
914 catch (ModuleException& ex)
916 ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, ex.GetReason() + " Not applying settings.");
920 void OnUserConnect(LocalUser* user) CXX11_OVERRIDE
922 IOHook* hook = user->eh.GetIOHook();
923 if (hook && hook->prov->creator == this)
924 static_cast<OpenSSLIOHook*>(hook)->TellCiphersAndFingerprint(user);
927 void OnCleanup(int target_type, void* item) CXX11_OVERRIDE
929 if (target_type == TYPE_USER)
931 LocalUser* user = IS_LOCAL((User*)item);
933 if (user && user->eh.GetIOHook() && user->eh.GetIOHook()->prov->creator == this)
935 // User is using SSL, they're a local user, and they're using one of *our* SSL ports.
936 // Potentially there could be multiple SSL modules loaded at once on different ports.
937 ServerInstance->Users->QuitUser(user, "SSL module unloading");
942 ModResult OnCheckReady(LocalUser* user) CXX11_OVERRIDE
944 if ((user->eh.GetIOHook()) && (user->eh.GetIOHook()->prov->creator == this))
946 OpenSSLIOHook* iohook = static_cast<OpenSSLIOHook*>(user->eh.GetIOHook());
947 if (!iohook->IsHandshakeDone())
951 return MOD_RES_PASSTHRU;
954 Version GetVersion() CXX11_OVERRIDE
956 return Version("Provides SSL support for clients", VF_VENDOR);
960 MODULE_INIT(ModuleSSLOpenSSL)