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_NONE, NULL);
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);
211 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, OnVerify);
214 SSL* CreateServerSession()
216 SSL* sess = SSL_new(ctx);
217 SSL_set_accept_state(sess); // Act as server
221 SSL* CreateClientSession()
223 SSL* sess = SSL_new(ctx);
224 SSL_set_connect_state(sess); // Act as client
229 class Profile : public refcountbase
231 /** Name of this profile
233 const std::string name;
235 /** DH parameters in use
239 /** OpenSSL makes us have two contexts, one for servers and one for clients
244 /** Digest to use when generating fingerprints
246 const EVP_MD* digest;
248 /** Last error, set by error_callback()
252 /** True if renegotiations are allowed, false if not
254 const bool allowrenego;
256 /** Rough max size of records to send
258 const unsigned int outrecsize;
260 static int error_callback(const char* str, size_t len, void* u)
262 Profile* profile = reinterpret_cast<Profile*>(u);
263 profile->lasterr = std::string(str, len - 1);
267 /** Set raw OpenSSL context (SSL_CTX) options from a config tag
268 * @param ctxname Name of the context, client or server
269 * @param tag Config tag defining this profile
270 * @param context Context object to manipulate
272 void SetContextOptions(const std::string& ctxname, ConfigTag* tag, Context& context)
274 long setoptions = tag->getInt(ctxname + "setoptions");
275 long clearoptions = tag->getInt(ctxname + "clearoptions");
276 #ifdef SSL_OP_NO_COMPRESSION
277 if (!tag->getBool("compression", false)) // Disable compression by default
278 setoptions |= SSL_OP_NO_COMPRESSION;
280 if (!tag->getBool("sslv3", false)) // Disable SSLv3 by default
281 setoptions |= SSL_OP_NO_SSLv3;
282 if (!tag->getBool("tlsv1", true))
283 setoptions |= SSL_OP_NO_TLSv1;
285 if (!setoptions && !clearoptions)
286 return; // Nothing to do
288 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);
289 long final = context.SetRawContextOptions(setoptions, clearoptions);
290 ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "%s %s context options: %ld", name.c_str(), ctxname.c_str(), final);
294 Profile(const std::string& profilename, ConfigTag* tag)
296 , dh(ServerInstance->Config->Paths.PrependConfig(tag->getString("dhfile", "dh.pem")))
297 , ctx(SSL_CTX_new(SSLv23_server_method()))
298 , clictx(SSL_CTX_new(SSLv23_client_method()))
299 , allowrenego(tag->getBool("renegotiation")) // Disallow by default
300 , outrecsize(tag->getInt("outrecsize", 2048, 512, 16384))
302 if ((!ctx.SetDH(dh)) || (!clictx.SetDH(dh)))
303 throw Exception("Couldn't set DH parameters");
305 std::string hash = tag->getString("hash", "md5");
306 digest = EVP_get_digestbyname(hash.c_str());
308 throw Exception("Unknown hash type " + hash);
310 std::string ciphers = tag->getString("ciphers");
311 if (!ciphers.empty())
313 if ((!ctx.SetCiphers(ciphers)) || (!clictx.SetCiphers(ciphers)))
315 ERR_print_errors_cb(error_callback, this);
316 throw Exception("Can't set cipher list to \"" + ciphers + "\" " + lasterr);
320 #ifdef INSPIRCD_OPENSSL_ENABLE_ECDH
321 std::string curvename = tag->getString("ecdhcurve", "prime256v1");
322 if (!curvename.empty())
323 ctx.SetECDH(curvename);
326 SetContextOptions("server", tag, ctx);
327 SetContextOptions("client", tag, clictx);
329 /* Load our keys and certificates
330 * NOTE: OpenSSL's error logging API sucks, don't blame us for this clusterfuck.
332 std::string filename = ServerInstance->Config->Paths.PrependConfig(tag->getString("certfile", "cert.pem"));
333 if ((!ctx.SetCerts(filename)) || (!clictx.SetCerts(filename)))
335 ERR_print_errors_cb(error_callback, this);
336 throw Exception("Can't read certificate file: " + lasterr);
339 filename = ServerInstance->Config->Paths.PrependConfig(tag->getString("keyfile", "key.pem"));
340 if ((!ctx.SetPrivateKey(filename)) || (!clictx.SetPrivateKey(filename)))
342 ERR_print_errors_cb(error_callback, this);
343 throw Exception("Can't read key file: " + lasterr);
346 // Load the CAs we trust
347 filename = ServerInstance->Config->Paths.PrependConfig(tag->getString("cafile", "ca.pem"));
348 if ((!ctx.SetCA(filename)) || (!clictx.SetCA(filename)))
350 ERR_print_errors_cb(error_callback, this);
351 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());
354 clictx.SetVerifyCert();
355 if (tag->getBool("requestclientcert", true))
359 const std::string& GetName() const { return name; }
360 SSL* CreateServerSession() { return ctx.CreateServerSession(); }
361 SSL* CreateClientSession() { return clictx.CreateClientSession(); }
362 const EVP_MD* GetDigest() { return digest; }
363 bool AllowRenegotiation() const { return allowrenego; }
364 unsigned int GetOutgoingRecordSize() const { return outrecsize; }
369 static int create(BIO* bio)
375 static int destroy(BIO* bio)
377 // XXX: Dummy function to avoid a memory leak in OpenSSL.
378 // The memory leak happens in BIO_free() (bio_lib.c) when the destroy func of the BIO is NULL.
379 // This is fixed in OpenSSL but some distros still ship the unpatched version hence we provide this workaround.
383 static long ctrl(BIO* bio, int cmd, long num, void* ptr)
385 if (cmd == BIO_CTRL_FLUSH)
390 static int read(BIO* bio, char* buf, int len);
391 static int write(BIO* bio, const char* buf, int len);
395 static BIO_METHOD biomethods =
397 (100 | BIO_TYPE_SOURCE_SINK),
399 OpenSSL::BIOMethod::write,
400 OpenSSL::BIOMethod::read,
403 OpenSSL::BIOMethod::ctrl,
404 OpenSSL::BIOMethod::create,
405 OpenSSL::BIOMethod::destroy, // destroy, does nothing, see function body for more info
406 NULL // callback_ctrl
409 static int OnVerify(int preverify_ok, X509_STORE_CTX *ctx)
411 /* XXX: This will allow self signed certificates.
412 * In the future if we want an option to not allow this,
413 * we can just return preverify_ok here, and openssl
414 * will boot off self-signed and invalid peer certs.
416 int ve = X509_STORE_CTX_get_error(ctx);
418 SelfSigned = (ve == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT);
423 class OpenSSLIOHook : public SSLIOHook
429 reference<OpenSSL::Profile> profile;
431 // Returns 1 if handshake succeeded, 0 if it is still in progress, -1 if it failed
432 int Handshake(StreamSocket* user)
435 int ret = SSL_do_handshake(sess);
438 int err = SSL_get_error(sess, ret);
440 if (err == SSL_ERROR_WANT_READ)
442 SocketEngine::ChangeEventMask(user, FD_WANT_POLL_READ | FD_WANT_NO_WRITE);
443 this->status = ISSL_HANDSHAKING;
446 else if (err == SSL_ERROR_WANT_WRITE)
448 SocketEngine::ChangeEventMask(user, FD_WANT_NO_READ | FD_WANT_SINGLE_WRITE);
449 this->status = ISSL_HANDSHAKING;
460 // Handshake complete.
465 SocketEngine::ChangeEventMask(user, FD_WANT_POLL_READ | FD_WANT_NO_WRITE | FD_ADD_TRIAL_WRITE);
488 void VerifyCertificate()
491 ssl_cert* certinfo = new ssl_cert;
492 this->certificate = certinfo;
494 unsigned char md[EVP_MAX_MD_SIZE];
496 cert = SSL_get_peer_certificate(sess);
500 certinfo->error = "Could not get peer certificate: "+std::string(get_error());
504 certinfo->invalid = (SSL_get_verify_result(sess) != X509_V_OK);
508 certinfo->unknownsigner = false;
509 certinfo->trusted = true;
513 certinfo->unknownsigner = true;
514 certinfo->trusted = false;
518 X509_NAME_oneline(X509_get_subject_name(cert), buf, sizeof(buf));
520 // Make sure there are no chars in the string that we consider invalid
521 if (certinfo->dn.find_first_of("\r\n") != std::string::npos)
522 certinfo->dn.clear();
524 X509_NAME_oneline(X509_get_issuer_name(cert), buf, sizeof(buf));
525 certinfo->issuer = buf;
526 if (certinfo->issuer.find_first_of("\r\n") != std::string::npos)
527 certinfo->issuer.clear();
529 if (!X509_digest(cert, profile->GetDigest(), md, &n))
531 certinfo->error = "Out of memory generating fingerprint";
535 certinfo->fingerprint = BinToHex(md, n);
538 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))
540 certinfo->error = "Not activated, or expired certificate";
546 void SSLInfoCallback(int where, int rc)
548 if ((where & SSL_CB_HANDSHAKE_START) && (status == ISSL_OPEN))
550 if (profile->AllowRenegotiation())
553 // The other side is trying to renegotiate, kill the connection and change status
554 // to ISSL_NONE so CheckRenego() closes the session
556 BIO* bio = SSL_get_rbio(sess);
557 EventHandler* eh = static_cast<StreamSocket*>(bio->ptr);
558 SocketEngine::Shutdown(eh, 2);
562 bool CheckRenego(StreamSocket* sock)
564 if (status != ISSL_NONE)
567 ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Session %p killed, attempted to renegotiate", (void*)sess);
569 sock->SetError("Renegotiation is not allowed");
573 // Returns 1 if application I/O should proceed, 0 if it must wait for the underlying protocol to progress, -1 on fatal error
574 int PrepareIO(StreamSocket* sock)
576 if (status == ISSL_OPEN)
578 else if (status == ISSL_HANDSHAKING)
580 // The handshake isn't finished, try to finish it
581 return Handshake(sock);
588 // Calls our private SSLInfoCallback()
589 friend void StaticSSLInfoCallback(const SSL* ssl, int where, int rc);
592 OpenSSLIOHook(IOHookProvider* hookprov, StreamSocket* sock, SSL* session, const reference<OpenSSL::Profile>& sslprofile)
593 : SSLIOHook(hookprov)
596 , data_to_write(false)
597 , profile(sslprofile)
599 // Create BIO instance and store a pointer to the socket in it which will be used by the read and write functions
600 BIO* bio = BIO_new(&biomethods);
602 SSL_set_bio(sess, bio, bio);
604 SSL_set_ex_data(sess, exdataindex, this);
605 sock->AddIOHook(this);
609 void OnStreamSocketClose(StreamSocket* user) CXX11_OVERRIDE
614 int OnStreamSocketRead(StreamSocket* user, std::string& recvq) CXX11_OVERRIDE
616 // Finish handshake if needed
617 int prepret = PrepareIO(user);
621 // If we resumed the handshake then this->status will be ISSL_OPEN
624 char* buffer = ServerInstance->GetReadBuffer();
625 size_t bufsiz = ServerInstance->Config->NetBufferSize;
626 int ret = SSL_read(sess, buffer, bufsiz);
628 if (!CheckRenego(user))
633 recvq.append(buffer, ret);
635 SocketEngine::ChangeEventMask(user, FD_WANT_POLL_READ | FD_WANT_SINGLE_WRITE);
640 // Client closed connection.
642 user->SetError("Connection closed");
647 int err = SSL_get_error(sess, ret);
649 if (err == SSL_ERROR_WANT_READ)
651 SocketEngine::ChangeEventMask(user, FD_WANT_POLL_READ);
654 else if (err == SSL_ERROR_WANT_WRITE)
656 SocketEngine::ChangeEventMask(user, FD_WANT_NO_READ | FD_WANT_SINGLE_WRITE);
668 int OnStreamSocketWrite(StreamSocket* user, StreamSocket::SendQueue& sendq) CXX11_OVERRIDE
670 // Finish handshake if needed
671 int prepret = PrepareIO(user);
675 data_to_write = true;
677 // Session is ready for transferring application data
678 while (!sendq.empty())
681 FlattenSendQueue(sendq, profile->GetOutgoingRecordSize());
682 const StreamSocket::SendQueue::Element& buffer = sendq.front();
683 int ret = SSL_write(sess, buffer.data(), buffer.size());
685 if (!CheckRenego(user))
688 if (ret == (int)buffer.length())
690 // Wrote entire record, continue sending
695 sendq.erase_front(ret);
696 SocketEngine::ChangeEventMask(user, FD_WANT_SINGLE_WRITE);
706 int err = SSL_get_error(sess, ret);
708 if (err == SSL_ERROR_WANT_WRITE)
710 SocketEngine::ChangeEventMask(user, FD_WANT_SINGLE_WRITE);
713 else if (err == SSL_ERROR_WANT_READ)
715 SocketEngine::ChangeEventMask(user, FD_WANT_POLL_READ);
726 data_to_write = false;
727 SocketEngine::ChangeEventMask(user, FD_WANT_POLL_READ | FD_WANT_NO_WRITE);
731 void GetCiphersuite(std::string& out) const CXX11_OVERRIDE
733 if (!IsHandshakeDone())
735 out.append(SSL_get_version(sess)).push_back('-');
736 out.append(SSL_get_cipher(sess));
739 bool IsHandshakeDone() const { return (status == ISSL_OPEN); }
742 static void StaticSSLInfoCallback(const SSL* ssl, int where, int rc)
744 OpenSSLIOHook* hook = static_cast<OpenSSLIOHook*>(SSL_get_ex_data(ssl, exdataindex));
745 hook->SSLInfoCallback(where, rc);
748 static int OpenSSL::BIOMethod::write(BIO* bio, const char* buffer, int size)
750 BIO_clear_retry_flags(bio);
752 StreamSocket* sock = static_cast<StreamSocket*>(bio->ptr);
753 if (sock->GetEventMask() & FD_WRITE_WILL_BLOCK)
755 // Writes blocked earlier, don't retry syscall
756 BIO_set_retry_write(bio);
760 int ret = SocketEngine::Send(sock, buffer, size, 0);
761 if ((ret < size) && ((ret > 0) || (SocketEngine::IgnoreError())))
763 // Blocked, set retry flag for OpenSSL
764 SocketEngine::ChangeEventMask(sock, FD_WRITE_WILL_BLOCK);
765 BIO_set_retry_write(bio);
771 static int OpenSSL::BIOMethod::read(BIO* bio, char* buffer, int size)
773 BIO_clear_retry_flags(bio);
775 StreamSocket* sock = static_cast<StreamSocket*>(bio->ptr);
776 if (sock->GetEventMask() & FD_READ_WILL_BLOCK)
778 // Reads blocked earlier, don't retry syscall
779 BIO_set_retry_read(bio);
783 int ret = SocketEngine::Recv(sock, buffer, size, 0);
784 if ((ret < size) && ((ret > 0) || (SocketEngine::IgnoreError())))
786 // Blocked, set retry flag for OpenSSL
787 SocketEngine::ChangeEventMask(sock, FD_READ_WILL_BLOCK);
788 BIO_set_retry_read(bio);
794 class OpenSSLIOHookProvider : public refcountbase, public IOHookProvider
796 reference<OpenSSL::Profile> profile;
799 OpenSSLIOHookProvider(Module* mod, reference<OpenSSL::Profile>& prof)
800 : IOHookProvider(mod, "ssl/" + prof->GetName(), IOHookProvider::IOH_SSL)
803 ServerInstance->Modules->AddService(*this);
806 ~OpenSSLIOHookProvider()
808 ServerInstance->Modules->DelService(*this);
811 void OnAccept(StreamSocket* sock, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server) CXX11_OVERRIDE
813 new OpenSSLIOHook(this, sock, profile->CreateServerSession(), profile);
816 void OnConnect(StreamSocket* sock) CXX11_OVERRIDE
818 new OpenSSLIOHook(this, sock, profile->CreateClientSession(), profile);
822 class ModuleSSLOpenSSL : public Module
824 typedef std::vector<reference<OpenSSLIOHookProvider> > ProfileList;
826 ProfileList profiles;
830 ProfileList newprofiles;
831 ConfigTagList tags = ServerInstance->Config->ConfTags("sslprofile");
832 if (tags.first == tags.second)
834 // Create a default profile named "openssl"
835 const std::string defname = "openssl";
836 ConfigTag* tag = ServerInstance->Config->ConfValue(defname);
837 ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "No <sslprofile> tags found, using settings from the <openssl> tag");
841 reference<OpenSSL::Profile> profile(new OpenSSL::Profile(defname, tag));
842 newprofiles.push_back(new OpenSSLIOHookProvider(this, profile));
844 catch (OpenSSL::Exception& ex)
846 throw ModuleException("Error while initializing the default SSL profile - " + ex.GetReason());
850 for (ConfigIter i = tags.first; i != tags.second; ++i)
852 ConfigTag* tag = i->second;
853 if (tag->getString("provider") != "openssl")
856 std::string name = tag->getString("name");
859 ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Ignoring <sslprofile> tag without name at " + tag->getTagLocation());
863 reference<OpenSSL::Profile> profile;
866 profile = new OpenSSL::Profile(name, tag);
868 catch (CoreException& ex)
870 throw ModuleException("Error while initializing SSL profile \"" + name + "\" at " + tag->getTagLocation() + " - " + ex.GetReason());
873 newprofiles.push_back(new OpenSSLIOHookProvider(this, profile));
876 profiles.swap(newprofiles);
882 // Initialize OpenSSL
884 SSL_load_error_strings();
887 void init() CXX11_OVERRIDE
889 ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "OpenSSL lib version \"%s\" module was compiled for \"" OPENSSL_VERSION_TEXT "\"", SSLeay_version(SSLEAY_VERSION));
891 // Register application specific data
892 char exdatastr[] = "inspircd";
893 exdataindex = SSL_get_ex_new_index(0, exdatastr, NULL, NULL, NULL);
895 throw ModuleException("Failed to register application specific data");
900 void OnModuleRehash(User* user, const std::string ¶m) CXX11_OVERRIDE
909 catch (ModuleException& ex)
911 ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, ex.GetReason() + " Not applying settings.");
915 void OnCleanup(int target_type, void* item) CXX11_OVERRIDE
917 if (target_type == TYPE_USER)
919 LocalUser* user = IS_LOCAL((User*)item);
921 if ((user) && (user->eh.GetModHook(this)))
923 // User is using SSL, they're a local user, and they're using one of *our* SSL ports.
924 // Potentially there could be multiple SSL modules loaded at once on different ports.
925 ServerInstance->Users->QuitUser(user, "SSL module unloading");
930 ModResult OnCheckReady(LocalUser* user) CXX11_OVERRIDE
932 const OpenSSLIOHook* const iohook = static_cast<OpenSSLIOHook*>(user->eh.GetModHook(this));
933 if ((iohook) && (!iohook->IsHandshakeDone()))
935 return MOD_RES_PASSTHRU;
938 Version GetVersion() CXX11_OVERRIDE
940 return Version("Provides SSL support for clients", VF_VENDOR);
944 MODULE_INIT(ModuleSSLOpenSSL)