gnutls_x509_crt_deinit(cert);
}
- void OnEvent(Event& ev)
+ // Returns 1 if application I/O should proceed, 0 if it must wait for the underlying protocol to progress, -1 on fatal error
+ int PrepareIO(StreamSocket* sock)
+ {
+ if (status == ISSL_HANDSHAKEN)
+ return 1;
+ else if (status == ISSL_HANDSHAKING)
+ {
+ // The handshake isn't finished, try to finish it
+ return Handshake(sock);
+ }
+
+ CloseSession();
+ sock->SetError("No SSL session");
+ return -1;
+ }
+
+ static const char* UnknownIfNULL(const char* str)
+ {
+ return str ? str : "UNKNOWN";
+ }
+
+ static ssize_t gnutls_pull_wrapper(gnutls_transport_ptr_t session_wrap, void* buffer, size_t size)
+ {
+ StreamSocket* sock = reinterpret_cast<StreamSocket*>(session_wrap);
+#ifdef _WIN32
+ GnuTLSIOHook* session = static_cast<GnuTLSIOHook*>(sock->GetIOHook());
+#endif
+
+ if (sock->GetEventMask() & FD_READ_WILL_BLOCK)
+ {
+#ifdef _WIN32
+ gnutls_transport_set_errno(session->sess, EAGAIN);
+#else
+ errno = EAGAIN;
+#endif
+ return -1;
+ }
+
+ int rv = SocketEngine::Recv(sock, reinterpret_cast<char *>(buffer), size, 0);
+
+#ifdef _WIN32
+ if (rv < 0)
+ {
+ /* Windows doesn't use errno, but gnutls does, so check SocketEngine::IgnoreError()
+ * and then set errno appropriately.
+ * The gnutls library may also have a different errno variable than us, see
+ * gnutls_transport_set_errno(3).
+ */
+ gnutls_transport_set_errno(session->sess, SocketEngine::IgnoreError() ? EAGAIN : errno);
+ }
+#endif
+
+ if (rv < (int)size)
+ SocketEngine::ChangeEventMask(sock, FD_READ_WILL_BLOCK);
+ return rv;
+ }
+
+#ifdef INSPIRCD_GNUTLS_HAS_VECTOR_PUSH
+ static ssize_t VectorPush(gnutls_transport_ptr_t transportptr, const giovec_t* iov, int iovcnt)
+ {
+ StreamSocket* sock = reinterpret_cast<StreamSocket*>(transportptr);
+#ifdef _WIN32
+ GnuTLSIOHook* session = static_cast<GnuTLSIOHook*>(sock->GetIOHook());
+#endif
+
+ if (sock->GetEventMask() & FD_WRITE_WILL_BLOCK)
+ {
+#ifdef _WIN32
+ gnutls_transport_set_errno(session->sess, EAGAIN);
+#else
+ errno = EAGAIN;
+#endif
+ return -1;
+ }
+
+ // Cast the giovec_t to iovec not to IOVector so the correct function is called on Windows
+ int ret = SocketEngine::WriteV(sock, reinterpret_cast<const iovec*>(iov), iovcnt);
+#ifdef _WIN32
+ // See the function above for more info about the usage of gnutls_transport_set_errno() on Windows
+ if (ret < 0)
+ gnutls_transport_set_errno(session->sess, SocketEngine::IgnoreError() ? EAGAIN : errno);
+#endif
+
+ int size = 0;
+ for (int i = 0; i < iovcnt; i++)
+ size += iov[i].iov_len;
+
+ if (ret < size)
+ SocketEngine::ChangeEventMask(sock, FD_WRITE_WILL_BLOCK);
+ return ret;
+ }
+
+#else // INSPIRCD_GNUTLS_HAS_VECTOR_PUSH
+ static ssize_t gnutls_push_wrapper(gnutls_transport_ptr_t session_wrap, const void* buffer, size_t size)
+ {
+ StreamSocket* sock = reinterpret_cast<StreamSocket*>(session_wrap);
+#ifdef _WIN32
+ GnuTLSIOHook* session = static_cast<GnuTLSIOHook*>(sock->GetIOHook());
+#endif
+
+ if (sock->GetEventMask() & FD_WRITE_WILL_BLOCK)
+ {
+#ifdef _WIN32
+ gnutls_transport_set_errno(session->sess, EAGAIN);
+#else
+ errno = EAGAIN;
+#endif
+ return -1;
+ }
+
+ int rv = SocketEngine::Send(sock, reinterpret_cast<const char *>(buffer), size, 0);
+
+#ifdef _WIN32
+ if (rv < 0)
+ {
+ /* Windows doesn't use errno, but gnutls does, so check SocketEngine::IgnoreError()
+ * and then set errno appropriately.
+ * The gnutls library may also have a different errno variable than us, see
+ * gnutls_transport_set_errno(3).
+ */
+ gnutls_transport_set_errno(session->sess, SocketEngine::IgnoreError() ? EAGAIN : errno);
+ }
+#endif
+
+ if (rv < (int)size)
+ SocketEngine::ChangeEventMask(sock, FD_WRITE_WILL_BLOCK);
+ return rv;
+ }
+#endif // INSPIRCD_GNUTLS_HAS_VECTOR_PUSH
+
+ public:
+ GnuTLSIOHook(IOHookProvider* hookprov, StreamSocket* sock, inspircd_gnutls_session_init_flags_t flags, const reference<GnuTLS::Profile>& sslprofile)
+ : SSLIOHook(hookprov)
+ , sess(NULL)
+ , status(ISSL_NONE)
+ , profile(sslprofile)
+ {
+ gnutls_init(&sess, flags);
+ gnutls_transport_set_ptr(sess, reinterpret_cast<gnutls_transport_ptr_t>(sock));
+#ifdef INSPIRCD_GNUTLS_HAS_VECTOR_PUSH
+ gnutls_transport_set_vec_push_function(sess, VectorPush);
+#else
+ gnutls_transport_set_push_function(sess, gnutls_push_wrapper);
+#endif
+ gnutls_transport_set_pull_function(sess, gnutls_pull_wrapper);
+ profile->SetupSession(sess);
+
+ sock->AddIOHook(this);
+ Handshake(sock);
+ }
+
+ void OnStreamSocketClose(StreamSocket* user) CXX11_OVERRIDE
+ {
+ CloseSession();
+ }
+
+ int OnStreamSocketRead(StreamSocket* user, std::string& recvq) CXX11_OVERRIDE
+ {
+ // Finish handshake if needed
+ int prepret = PrepareIO(user);
+ if (prepret <= 0)
+ return prepret;
+
+ // If we resumed the handshake then this->status will be ISSL_HANDSHAKEN.
+ {
+ GnuTLS::DataReader reader(sess);
+ int ret = reader.ret();
+ if (ret > 0)
+ {
+ reader.appendto(recvq);
+ return 1;
+ }
+ else if (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
+ {
+ return 0;
+ }
+ else if (ret == 0)
+ {
+ user->SetError("Connection closed");
+ CloseSession();
+ return -1;
+ }
+ else
+ {
+ user->SetError(gnutls_strerror(ret));
+ CloseSession();
+ return -1;
+ }
+ }
+ }
+
+ int OnStreamSocketWrite(StreamSocket* user, std::string& sendq) CXX11_OVERRIDE
+ {
+ // Finish handshake if needed
+ int prepret = PrepareIO(user);
+ if (prepret <= 0)
+ return prepret;
+
+ // Session is ready for transferring application data
+ int ret = 0;
+
+ {
+ ret = gnutls_record_send(this->sess, sendq.data(), sendq.length());
+
+ if (ret == (int)sendq.length())
+ {
+ SocketEngine::ChangeEventMask(user, FD_WANT_NO_WRITE);
+ return 1;
+ }
+ else if (ret > 0)
+ {
+ sendq.erase(0, ret);
+ SocketEngine::ChangeEventMask(user, FD_WANT_SINGLE_WRITE);
+ return 0;
+ }
+ else if (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED || ret == 0)
+ {
+ SocketEngine::ChangeEventMask(user, FD_WANT_SINGLE_WRITE);
+ return 0;
+ }
+ else // (ret < 0)
+ {
+ user->SetError(gnutls_strerror(ret));
+ CloseSession();
+ return -1;
+ }
+ }
+ }
+
+ void TellCiphersAndFingerprint(LocalUser* user)
+ {
+ if (sess)
+ {
+ std::string text = "*** You are connected using SSL cipher '";
+ GetCiphersuite(text);
+ text += '\'';
+ if (!certificate->fingerprint.empty())
+ text += " and your SSL certificate fingerprint is " + certificate->fingerprint;
+
+ user->WriteNotice(text);
+ }
+ }
+
+ void GetCiphersuite(std::string& out) const
+ {
+ out.append(UnknownIfNULL(gnutls_protocol_get_name(gnutls_protocol_get_version(sess)))).push_back('-');
+ out.append(UnknownIfNULL(gnutls_kx_get_name(gnutls_kx_get(sess)))).push_back('-');
+ out.append(UnknownIfNULL(gnutls_cipher_get_name(gnutls_cipher_get(sess)))).push_back('-');
+ out.append(UnknownIfNULL(gnutls_mac_get_name(gnutls_mac_get(sess))));
+ }
+
+ GnuTLS::Profile* GetProfile() { return profile; }
++ bool IsHandshakeDone() const { return (status == ISSL_HANDSHAKEN); }
+};
+
+int GnuTLS::X509Credentials::cert_callback(gnutls_session_t sess, const gnutls_datum_t* req_ca_rdn, int nreqs, const gnutls_pk_algorithm_t* sign_algos, int sign_algos_length, cert_cb_last_param_type* st)
+{
+#ifndef GNUTLS_NEW_CERT_CALLBACK_API
+ st->type = GNUTLS_CRT_X509;
+#else
+ st->cert_type = GNUTLS_CRT_X509;
+ st->key_type = GNUTLS_PRIVKEY_X509;
+#endif
+ StreamSocket* sock = reinterpret_cast<StreamSocket*>(gnutls_transport_get_ptr(sess));
+ GnuTLS::X509Credentials& cred = static_cast<GnuTLSIOHook*>(sock->GetIOHook())->GetProfile()->GetX509Credentials();
+
+ st->ncerts = cred.certs.size();
+ st->cert.x509 = cred.certs.raw();
+ st->key.x509 = cred.key.get();
+ st->deinit_all = 0;
+
+ return 0;
+}
+
+class GnuTLSIOHookProvider : public refcountbase, public IOHookProvider
+{
+ reference<GnuTLS::Profile> profile;
+
+ public:
+ GnuTLSIOHookProvider(Module* mod, reference<GnuTLS::Profile>& prof)
+ : IOHookProvider(mod, "ssl/" + prof->GetName(), IOHookProvider::IOH_SSL)
+ , profile(prof)
+ {
+ ServerInstance->Modules->AddService(*this);
+ }
+
+ ~GnuTLSIOHookProvider()
+ {
+ ServerInstance->Modules->DelService(*this);
+ }
+
+ void OnAccept(StreamSocket* sock, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server) CXX11_OVERRIDE
{
- if (starttls.enabled)
- capHandler.HandleEvent(ev);
+ new GnuTLSIOHook(this, sock, GNUTLS_SERVER, profile);
+ }
+
+ void OnConnect(StreamSocket* sock) CXX11_OVERRIDE
+ {
+ new GnuTLSIOHook(this, sock, GNUTLS_CLIENT, profile);
+ }
+};
+
+class ModuleSSLGnuTLS : public Module
+{
+ typedef std::vector<reference<GnuTLSIOHookProvider> > ProfileList;
+
+ // First member of the class, gets constructed first and destructed last
+ GnuTLS::Init libinit;
+ RandGen randhandler;
+ ProfileList profiles;
+
+ void ReadProfiles()
+ {
+ // First, store all profiles in a new, temporary container. If no problems occur, swap the two
+ // containers; this way if something goes wrong we can go back and continue using the current profiles,
+ // avoiding unpleasant situations where no new SSL connections are possible.
+ ProfileList newprofiles;
+
+ ConfigTagList tags = ServerInstance->Config->ConfTags("sslprofile");
+ if (tags.first == tags.second)
+ {
+ // No <sslprofile> tags found, create a profile named "gnutls" from settings in the <gnutls> block
+ const std::string defname = "gnutls";
+ ConfigTag* tag = ServerInstance->Config->ConfValue(defname);
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "No <sslprofile> tags found; using settings from the <gnutls> tag");
+
+ try
+ {
+ reference<GnuTLS::Profile> profile(GnuTLS::Profile::Create(defname, tag));
+ newprofiles.push_back(new GnuTLSIOHookProvider(this, profile));
+ }
+ catch (CoreException& ex)
+ {
+ throw ModuleException("Error while initializing the default SSL profile - " + ex.GetReason());
+ }
+ }
+
+ for (ConfigIter i = tags.first; i != tags.second; ++i)
+ {
+ ConfigTag* tag = i->second;
+ if (tag->getString("provider") != "gnutls")
+ continue;
+
+ std::string name = tag->getString("name");
+ if (name.empty())
+ {
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Ignoring <sslprofile> tag without name at " + tag->getTagLocation());
+ continue;
+ }
+
+ reference<GnuTLS::Profile> profile;
+ try
+ {
+ profile = GnuTLS::Profile::Create(name, tag);
+ }
+ catch (CoreException& ex)
+ {
+ throw ModuleException("Error while initializing SSL profile \"" + name + "\" at " + tag->getTagLocation() + " - " + ex.GetReason());
+ }
+
+ newprofiles.push_back(new GnuTLSIOHookProvider(this, profile));
+ }
+
+ // New profiles are ok, begin using them
+ // Old profiles are deleted when their refcount drops to zero
+ profiles.swap(newprofiles);
}
- ModResult OnCheckReady(LocalUser* user)
+ public:
+ ModuleSSLGnuTLS()
{
- if ((user->eh.GetIOHook() == this) && (sessions[user->eh.GetFd()].status != ISSL_HANDSHAKEN))
- return MOD_RES_DENY;
+#ifndef GNUTLS_HAS_RND
+ gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
+#endif
+ }
+
+ void init() CXX11_OVERRIDE
+ {
+ ReadProfiles();
+ ServerInstance->GenRandom = &randhandler;
+ }
+
+ void OnModuleRehash(User* user, const std::string ¶m) CXX11_OVERRIDE
+ {
+ if(param != "ssl")
+ return;
+
+ try
+ {
+ ReadProfiles();
+ }
+ catch (ModuleException& ex)
+ {
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, ex.GetReason() + " Not applying settings.");
+ }
+ }
+
+ ~ModuleSSLGnuTLS()
+ {
+ ServerInstance->GenRandom = &ServerInstance->HandleGenRandom;
+ }
+
+ void OnCleanup(int target_type, void* item) CXX11_OVERRIDE
+ {
+ if(target_type == TYPE_USER)
+ {
+ LocalUser* user = IS_LOCAL(static_cast<User*>(item));
+
+ if (user && user->eh.GetIOHook() && user->eh.GetIOHook()->prov->creator == this)
+ {
+ // User is using SSL, they're a local user, and they're using one of *our* SSL ports.
+ // Potentially there could be multiple SSL modules loaded at once on different ports.
+ ServerInstance->Users->QuitUser(user, "SSL module unloading");
+ }
+ }
+ }
+
+ Version GetVersion() CXX11_OVERRIDE
+ {
+ return Version("Provides SSL support for clients", VF_VENDOR);
+ }
+
+ void OnUserConnect(LocalUser* user) CXX11_OVERRIDE
+ {
+ IOHook* hook = user->eh.GetIOHook();
+ if (hook && hook->prov->creator == this)
+ static_cast<GnuTLSIOHook*>(hook)->TellCiphersAndFingerprint(user);
+ }
++
++ ModResult OnCheckReady(LocalUser* user) CXX11_OVERRIDE
++ {
++ if ((user->eh.GetIOHook()) && (user->eh.GetIOHook()->prov->creator == this))
++ {
++ GnuTLSIOHook* iohook = static_cast<GnuTLSIOHook*>(user->eh.GetIOHook());
++ if (!iohook->IsHandshakeDone())
++ return MOD_RES_DENY;
++ }
++
+ return MOD_RES_PASSTHRU;
+ }
};
MODULE_INIT(ModuleSSLGnuTLS)
}
}
}
- return 0;
}
- bool Handshake(StreamSocket* user, issl_session* session)
+ void TellCiphersAndFingerprint(LocalUser* user)
{
- int ret;
+ if (sess)
+ {
+ std::string text = "*** You are connected using SSL cipher '";
+ GetCiphersuite(text);
+ text += '\'';
+ const std::string& fingerprint = certificate->fingerprint;
+ if (!fingerprint.empty())
+ text += " and your SSL certificate fingerprint is " + fingerprint;
- ERR_clear_error();
- if (session->outbound)
- ret = SSL_connect(session->sess);
- else
- ret = SSL_accept(session->sess);
+ user->WriteNotice(text);
+ }
+ }
- if (ret < 0)
+ void GetCiphersuite(std::string& out) const
+ {
+ out.append(SSL_get_version(sess)).push_back('-');
+ out.append(SSL_get_cipher(sess));
+ }
++
++ bool IsHandshakeDone() const { return (status == ISSL_OPEN); }
+};
+
+static void StaticSSLInfoCallback(const SSL* ssl, int where, int rc)
+{
+#ifdef INSPIRCD_OPENSSL_ENABLE_RENEGO_DETECTION
+ OpenSSLIOHook* hook = static_cast<OpenSSLIOHook*>(SSL_get_ex_data(ssl, exdataindex));
+ hook->SSLInfoCallback(where, rc);
+#endif
+}
+
+class OpenSSLIOHookProvider : public refcountbase, public IOHookProvider
+{
+ reference<OpenSSL::Profile> profile;
+
+ public:
+ OpenSSLIOHookProvider(Module* mod, reference<OpenSSL::Profile>& prof)
+ : IOHookProvider(mod, "ssl/" + prof->GetName(), IOHookProvider::IOH_SSL)
+ , profile(prof)
+ {
+ ServerInstance->Modules->AddService(*this);
+ }
+
+ ~OpenSSLIOHookProvider()
+ {
+ ServerInstance->Modules->DelService(*this);
+ }
+
+ void OnAccept(StreamSocket* sock, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server) CXX11_OVERRIDE
+ {
+ new OpenSSLIOHook(this, sock, profile->CreateServerSession(), profile);
+ }
+
+ void OnConnect(StreamSocket* sock) CXX11_OVERRIDE
+ {
+ new OpenSSLIOHook(this, sock, profile->CreateClientSession(), profile);
+ }
+};
+
+class ModuleSSLOpenSSL : public Module
+{
+ typedef std::vector<reference<OpenSSLIOHookProvider> > ProfileList;
+
+ ProfileList profiles;
+
+ void ReadProfiles()
+ {
+ ProfileList newprofiles;
+ ConfigTagList tags = ServerInstance->Config->ConfTags("sslprofile");
+ if (tags.first == tags.second)
{
- int err = SSL_get_error(session->sess, ret);
+ // Create a default profile named "openssl"
+ const std::string defname = "openssl";
+ ConfigTag* tag = ServerInstance->Config->ConfValue(defname);
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "No <sslprofile> tags found, using settings from the <openssl> tag");
- if (err == SSL_ERROR_WANT_READ)
+ try
{
- ServerInstance->SE->ChangeEventMask(user, FD_WANT_POLL_READ | FD_WANT_NO_WRITE);
- session->status = ISSL_HANDSHAKING;
- return true;
+ reference<OpenSSL::Profile> profile(new OpenSSL::Profile(defname, tag));
+ newprofiles.push_back(new OpenSSLIOHookProvider(this, profile));
}
- else if (err == SSL_ERROR_WANT_WRITE)
+ catch (OpenSSL::Exception& ex)
{
- ServerInstance->SE->ChangeEventMask(user, FD_WANT_NO_READ | FD_WANT_SINGLE_WRITE);
- session->status = ISSL_HANDSHAKING;
- return true;
+ throw ModuleException("Error while initializing the default SSL profile - " + ex.GetReason());
}
- else
- {
- CloseSession(session);
- }
-
- return false;
}
- else if (ret > 0)
+
+ for (ConfigIter i = tags.first; i != tags.second; ++i)
{
- // Handshake complete.
- VerifyCertificate(session, user);
+ ConfigTag* tag = i->second;
+ if (tag->getString("provider") != "openssl")
+ continue;
- session->status = ISSL_OPEN;
+ std::string name = tag->getString("name");
+ if (name.empty())
+ {
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Ignoring <sslprofile> tag without name at " + tag->getTagLocation());
+ continue;
+ }
- ServerInstance->SE->ChangeEventMask(user, FD_WANT_POLL_READ | FD_WANT_NO_WRITE | FD_ADD_TRIAL_WRITE);
+ reference<OpenSSL::Profile> profile;
+ try
+ {
+ profile = new OpenSSL::Profile(name, tag);
+ }
+ catch (CoreException& ex)
+ {
+ throw ModuleException("Error while initializing SSL profile \"" + name + "\" at " + tag->getTagLocation() + " - " + ex.GetReason());
+ }
- return true;
+ newprofiles.push_back(new OpenSSLIOHookProvider(this, profile));
}
- else if (ret == 0)
- {
- CloseSession(session);
- }
- return false;
+
+ profiles.swap(newprofiles);
}
- void CloseSession(issl_session* session)
+ public:
+ ModuleSSLOpenSSL()
{
- if (session->sess)
- {
- SSL_shutdown(session->sess);
- SSL_free(session->sess);
- }
-
- session->sess = NULL;
- session->status = ISSL_NONE;
- session->cert = NULL;
+ // Initialize OpenSSL
+ SSL_library_init();
+ SSL_load_error_strings();
}
- void VerifyCertificate(issl_session* session, StreamSocket* user)
+ void init() CXX11_OVERRIDE
{
- if (!session->sess || !user)
- return;
-
- X509* cert;
- ssl_cert* certinfo = new ssl_cert;
- session->cert = certinfo;
- unsigned int n;
- unsigned char md[EVP_MAX_MD_SIZE];
- const EVP_MD *digest = use_sha ? EVP_sha1() : EVP_md5();
+ // Register application specific data
+ char exdatastr[] = "inspircd";
+ exdataindex = SSL_get_ex_new_index(0, exdatastr, NULL, NULL, NULL);
+ if (exdataindex < 0)
+ throw ModuleException("Failed to register application specific data");
- cert = SSL_get_peer_certificate((SSL*)session->sess);
+ ReadProfiles();
+ }
- if (!cert)
- {
- certinfo->error = "Could not get peer certificate: "+std::string(get_error());
+ void OnModuleRehash(User* user, const std::string ¶m) CXX11_OVERRIDE
+ {
+ if (param != "ssl")
return;
- }
- certinfo->invalid = (SSL_get_verify_result(session->sess) != X509_V_OK);
-
- if (!SelfSigned)
+ try
{
- certinfo->unknownsigner = false;
- certinfo->trusted = true;
+ ReadProfiles();
}
- else
+ catch (ModuleException& ex)
{
- certinfo->unknownsigner = true;
- certinfo->trusted = false;
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, ex.GetReason() + " Not applying settings.");
}
+ }
- char buf[512];
- X509_NAME_oneline(X509_get_subject_name(cert), buf, sizeof(buf));
- certinfo->dn = buf;
- // Make sure there are no chars in the string that we consider invalid
- if (certinfo->dn.find_first_of("\r\n") != std::string::npos)
- certinfo->dn.clear();
-
- X509_NAME_oneline(X509_get_issuer_name(cert), buf, sizeof(buf));
- certinfo->issuer = buf;
- if (certinfo->issuer.find_first_of("\r\n") != std::string::npos)
- certinfo->issuer.clear();
+ void OnUserConnect(LocalUser* user) CXX11_OVERRIDE
+ {
+ IOHook* hook = user->eh.GetIOHook();
+ if (hook && hook->prov->creator == this)
+ static_cast<OpenSSLIOHook*>(hook)->TellCiphersAndFingerprint(user);
+ }
- if (!X509_digest(cert, digest, md, &n))
- {
- certinfo->error = "Out of memory generating fingerprint";
- }
- else
+ void OnCleanup(int target_type, void* item) CXX11_OVERRIDE
+ {
+ if (target_type == TYPE_USER)
{
- certinfo->fingerprint = irc::hex(md, n);
+ LocalUser* user = IS_LOCAL((User*)item);
+
+ if (user && user->eh.GetIOHook() && user->eh.GetIOHook()->prov->creator == this)
+ {
+ // User is using SSL, they're a local user, and they're using one of *our* SSL ports.
+ // Potentially there could be multiple SSL modules loaded at once on different ports.
+ ServerInstance->Users->QuitUser(user, "SSL module unloading");
+ }
}
+ }
- 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))
++ ModResult OnCheckReady(LocalUser* user) CXX11_OVERRIDE
++ {
++ if ((user->eh.GetIOHook()) && (user->eh.GetIOHook()->prov->creator == this))
+ {
- certinfo->error = "Not activated, or expired certificate";
++ OpenSSLIOHook* iohook = static_cast<OpenSSLIOHook*>(user->eh.GetIOHook());
++ if (!iohook->IsHandshakeDone())
++ return MOD_RES_DENY;
+ }
+
- X509_free(cert);
++ return MOD_RES_PASSTHRU;
+ }
-};
+
-static int error_callback(const char *str, size_t len, void *u)
-{
- ServerInstance->Logs->Log("m_ssl_openssl",DEFAULT, "SSL error: " + std::string(str, len - 1));
-
- //
- // XXX: Remove this line, it causes valgrind warnings...
- //
- // MD_update(&m, buf, j);
- //
- //
- // ... ONLY JOKING! :-)
- //
-
- return 0;
-}
+ Version GetVersion() CXX11_OVERRIDE
+ {
+ return Version("Provides SSL support for clients", VF_VENDOR);
+ }
+};
MODULE_INIT(ModuleSSLOpenSSL)