1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2009 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
15 #include <gnutls/gnutls.h>
16 #include <gnutls/x509.h>
17 #include "transport.h"
21 #pragma comment(lib, "libgnutls-13.lib")
24 /* $ModDesc: Provides SSL support for clients */
25 /* $CompileFlags: exec("libgnutls-config --cflags") */
26 /* $LinkerFlags: rpath("libgnutls-config --libs") exec("libgnutls-config --libs") */
27 /* $ModDep: transport.h */
28 /* $CopyInstall: conf/key.pem $(CONPATH) */
29 /* $CopyInstall: conf/cert.pem $(CONPATH) */
31 enum issl_status { ISSL_NONE, ISSL_HANDSHAKING_READ, ISSL_HANDSHAKING_WRITE, ISSL_HANDSHAKEN, ISSL_CLOSING, ISSL_CLOSED };
33 bool isin(const std::string &host, int port, const std::vector<std::string> &portlist)
35 if (std::find(portlist.begin(), portlist.end(), "*:" + ConvToStr(port)) != portlist.end())
38 if (std::find(portlist.begin(), portlist.end(), ":" + ConvToStr(port)) != portlist.end())
41 return std::find(portlist.begin(), portlist.end(), host + ":" + ConvToStr(port)) != portlist.end();
44 /** Represents an SSL user's extra data
46 class issl_session : public classbase
54 gnutls_session_t sess;
59 class CommandStartTLS : public Command
63 CommandStartTLS (InspIRCd* Instance, Module* mod) : Command(Instance,"STARTTLS", 0, 0, true), Caller(mod)
65 this->source = "m_ssl_gnutls.so";
68 CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
70 /* changed from == REG_ALL to catch clients sending STARTTLS
71 * after NICK and USER but before OnUserConnect completes and
72 * give a proper error message (see bug #645) - dz
74 if (user->registered != REG_NONE)
76 ServerInstance->Users->QuitUser(user, "STARTTLS is not permitted after client registration has started");
80 if (!user->GetIOHook())
82 user->WriteNumeric(670, "%s :STARTTLS successful, go ahead with TLS handshake", user->nick.c_str());
83 user->AddIOHook(Caller);
84 Caller->OnRawSocketAccept(user->GetFd(), user->GetIPString(), user->GetPort());
87 user->WriteNumeric(691, "%s :STARTTLS failure", user->nick.c_str());
94 class ModuleSSLGnuTLS : public Module
101 std::vector<std::string> listenports;
103 issl_session* sessions;
105 gnutls_certificate_credentials x509_cred;
106 gnutls_dh_params dh_params;
109 std::string certfile;
112 std::string sslports;
118 CommandStartTLS* starttls;
122 ModuleSSLGnuTLS(InspIRCd* Me)
125 ServerInstance->Modules->PublishInterface("BufferedSocketHook", this);
127 sessions = new issl_session[ServerInstance->SE->GetMaxFds()];
129 gnutls_global_init(); // This must be called once in the program
132 // Needs the flag as it ignores a plain /rehash
133 OnRehash(NULL,"ssl");
135 // Void return, guess we assume success
136 gnutls_certificate_set_dh_params(x509_cred, dh_params);
137 Implementation eventlist[] = { I_On005Numeric, I_OnRawSocketConnect, I_OnRawSocketAccept, I_OnRawSocketClose, I_OnRawSocketRead, I_OnRawSocketWrite, I_OnCleanup,
138 I_OnBufferFlushed, I_OnRequest, I_OnSyncUserMetaData, I_OnDecodeMetaData, I_OnUnloadModule, I_OnRehash, I_OnWhois, I_OnPostConnect, I_OnEvent, I_OnHookUserIO };
139 ServerInstance->Modules->Attach(eventlist, this, 17);
141 starttls = new CommandStartTLS(ServerInstance, this);
142 ServerInstance->AddCommand(starttls);
145 virtual void OnRehash(User* user, const std::string ¶m)
147 Conf = new ConfigReader(ServerInstance);
153 for(int index = 0; index < Conf->Enumerate("bind"); index++)
155 // For each <bind> tag
156 std::string x = Conf->ReadValue("bind", "type", index);
157 if(((x.empty()) || (x == "clients")) && (Conf->ReadValue("bind", "ssl", index) == "gnutls"))
159 // Get the port we're meant to be listening on with SSL
160 std::string port = Conf->ReadValue("bind", "port", index);
161 std::string addr = Conf->ReadValue("bind", "address", index);
163 irc::portparser portrange(port, false);
165 while ((portno = portrange.GetToken()))
170 listenports.push_back(addr + ":" + ConvToStr(portno));
172 for (size_t i = 0; i < ServerInstance->Config->ports.size(); i++)
173 if ((ServerInstance->Config->ports[i]->GetPort() == portno) && (ServerInstance->Config->ports[i]->GetIP() == addr))
174 ServerInstance->Config->ports[i]->SetDescription("ssl");
175 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Enabling SSL for port %ld", portno);
177 sslports.append((addr.empty() ? "*" : addr)).append(":").append(ConvToStr(portno)).append(";");
179 catch (ModuleException &e)
181 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: FAILED to enable SSL on port %ld: %s. Maybe it's already hooked by the same port on a different IP, or you have an other SSL or similar module loaded?", portno, e.GetReason());
187 if (!sslports.empty())
188 sslports.erase(sslports.end() - 1);
196 std::string confdir(ServerInstance->ConfigFileName);
197 // +1 so we the path ends with a /
198 confdir = confdir.substr(0, confdir.find_last_of('/') + 1);
200 cafile = Conf->ReadValue("gnutls", "cafile", 0);
201 crlfile = Conf->ReadValue("gnutls", "crlfile", 0);
202 certfile = Conf->ReadValue("gnutls", "certfile", 0);
203 keyfile = Conf->ReadValue("gnutls", "keyfile", 0);
204 dh_bits = Conf->ReadInteger("gnutls", "dhbits", 0, false);
206 // Set all the default values needed.
213 if (certfile.empty())
214 certfile = "cert.pem";
219 if((dh_bits != 768) && (dh_bits != 1024) && (dh_bits != 2048) && (dh_bits != 3072) && (dh_bits != 4096))
222 // Prepend relative paths with the path to the config directory.
223 if ((cafile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(cafile)))
224 cafile = confdir + cafile;
226 if ((crlfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(crlfile)))
227 crlfile = confdir + crlfile;
229 if ((certfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(certfile)))
230 certfile = confdir + certfile;
232 if ((keyfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(keyfile)))
233 keyfile = confdir + keyfile;
239 // Deallocate the old credentials
240 gnutls_dh_params_deinit(dh_params);
241 gnutls_certificate_free_credentials(x509_cred);
246 if((ret = gnutls_certificate_allocate_credentials(&x509_cred)) < 0)
247 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to allocate certificate credentials: %s", gnutls_strerror(ret));
249 if((ret = gnutls_dh_params_init(&dh_params)) < 0)
250 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to initialise DH parameters: %s", gnutls_strerror(ret));
252 if((ret =gnutls_certificate_set_x509_trust_file(x509_cred, cafile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
253 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to set X.509 trust file '%s': %s", cafile.c_str(), gnutls_strerror(ret));
255 if((ret = gnutls_certificate_set_x509_crl_file (x509_cred, crlfile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
256 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to set X.509 CRL file '%s': %s", crlfile.c_str(), gnutls_strerror(ret));
258 if((ret = gnutls_certificate_set_x509_key_file (x509_cred, certfile.c_str(), keyfile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
260 // If this fails, no SSL port will work. At all. So, do the smart thing - throw a ModuleException
261 throw ModuleException("Unable to load GnuTLS server certificate (" + certfile + ", key: " + keyfile + "): " + std::string(gnutls_strerror(ret)));
264 // This may be on a large (once a day or week) timer eventually.
270 void GenerateDHParams()
272 // Generate Diffie Hellman parameters - for use with DHE
273 // kx algorithms. These should be discarded and regenerated
274 // once a day, once a week or once a month. Depending on the
275 // security requirements.
279 if((ret = gnutls_dh_params_generate2(dh_params, dh_bits)) < 0)
280 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to generate DH parameters (%d bits): %s", dh_bits, gnutls_strerror(ret));
283 virtual ~ModuleSSLGnuTLS()
285 gnutls_dh_params_deinit(dh_params);
286 gnutls_certificate_free_credentials(x509_cred);
287 gnutls_global_deinit();
288 ServerInstance->Modules->UnpublishInterface("BufferedSocketHook", this);
292 virtual void OnCleanup(int target_type, void* item)
294 if(target_type == TYPE_USER)
296 User* user = (User*)item;
298 if (user->GetIOHook() == this)
300 // User is using SSL, they're a local user, and they're using one of *our* SSL ports.
301 // Potentially there could be multiple SSL modules loaded at once on different ports.
302 ServerInstance->Users->QuitUser(user, "SSL module unloading");
305 if (user->GetExt("ssl_cert", dummy))
308 user->GetExt("ssl_cert", tofree);
310 user->Shrink("ssl_cert");
315 virtual void OnUnloadModule(Module* mod, const std::string &name)
319 for(unsigned int i = 0; i < listenports.size(); i++)
321 for (size_t j = 0; j < ServerInstance->Config->ports.size(); j++)
322 if (listenports[i] == (ServerInstance->Config->ports[j]->GetIP()+":"+ConvToStr(ServerInstance->Config->ports[j]->GetPort())))
323 ServerInstance->Config->ports[j]->SetDescription("plaintext");
328 virtual Version GetVersion()
330 return Version("$Id$", VF_VENDOR, API_VERSION);
334 virtual void On005Numeric(std::string &output)
336 output.append(" SSL=" + sslports);
339 virtual void OnHookUserIO(User* user, const std::string &targetip)
341 if (!user->GetIOHook() && isin(targetip,user->GetPort(),listenports))
343 /* Hook the user with our module */
344 user->AddIOHook(this);
348 virtual const char* OnRequest(Request* request)
350 ISHRequest* ISR = (ISHRequest*)request;
351 if (strcmp("IS_NAME", request->GetId()) == 0)
355 else if (strcmp("IS_HOOK", request->GetId()) == 0)
357 const char* ret = "OK";
360 ret = ISR->Sock->AddIOHook((Module*)this) ? "OK" : NULL;
362 catch (ModuleException &e)
368 else if (strcmp("IS_UNHOOK", request->GetId()) == 0)
370 return ISR->Sock->DelIOHook() ? "OK" : NULL;
372 else if (strcmp("IS_HSDONE", request->GetId()) == 0)
374 if (ISR->Sock->GetFd() < 0)
377 issl_session* session = &sessions[ISR->Sock->GetFd()];
378 return (session->status == ISSL_HANDSHAKING_READ || session->status == ISSL_HANDSHAKING_WRITE) ? NULL : "OK";
380 else if (strcmp("IS_ATTACH", request->GetId()) == 0)
382 if (ISR->Sock->GetFd() > -1)
384 issl_session* session = &sessions[ISR->Sock->GetFd()];
387 if ((Extensible*)ServerInstance->FindDescriptor(ISR->Sock->GetFd()) == (Extensible*)(ISR->Sock))
389 VerifyCertificate(session, (BufferedSocket*)ISR->Sock);
399 virtual void OnRawSocketAccept(int fd, const std::string &ip, int localport)
401 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
402 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
405 issl_session* session = &sessions[fd];
407 /* For STARTTLS: Don't try and init a session on a socket that already has a session */
411 gnutls_init(&session->sess, GNUTLS_SERVER);
413 gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
414 gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
415 gnutls_dh_set_prime_bits(session->sess, dh_bits);
417 gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
419 gnutls_certificate_server_set_request(session->sess, GNUTLS_CERT_REQUEST); // Request client certificate if any.
421 Handshake(session, fd);
424 virtual void OnRawSocketConnect(int fd)
426 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
427 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
430 issl_session* session = &sessions[fd];
432 gnutls_init(&session->sess, GNUTLS_CLIENT);
434 gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
435 gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
436 gnutls_dh_set_prime_bits(session->sess, dh_bits);
437 gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
439 Handshake(session, fd);
442 virtual void OnRawSocketClose(int fd)
444 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
445 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds()))
448 CloseSession(&sessions[fd]);
450 EventHandler* user = ServerInstance->SE->GetRef(fd);
452 if ((user) && (user->GetExt("ssl_cert", dummy)))
455 user->GetExt("ssl_cert", tofree);
457 user->Shrink("ssl_cert");
461 virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
463 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
464 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
467 issl_session* session = &sessions[fd];
472 CloseSession(session);
476 if (session->status == ISSL_HANDSHAKING_READ)
478 // The handshake isn't finished, try to finish it.
480 if(!Handshake(session, fd))
482 // Couldn't resume handshake.
486 else if (session->status == ISSL_HANDSHAKING_WRITE)
493 // If we resumed the handshake then session->status will be ISSL_HANDSHAKEN.
495 if (session->status == ISSL_HANDSHAKEN)
497 int ret = gnutls_record_recv(session->sess, buffer, count);
505 // Client closed connection.
507 CloseSession(session);
510 else if (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
517 ServerInstance->Logs->Log("m_ssl_gnutls", DEFAULT,
518 "m_ssl_gnutls.so: Error while reading on fd %d: %s",
519 fd, gnutls_strerror(ret));
521 CloseSession(session);
524 else if(session->status == ISSL_CLOSING)
530 virtual int OnRawSocketWrite(int fd, const char* buffer, int count)
532 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
533 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
536 issl_session* session = &sessions[fd];
537 const char* sendbuffer = buffer;
541 CloseSession(session);
545 session->outbuf.append(sendbuffer, count);
546 sendbuffer = session->outbuf.c_str();
547 count = session->outbuf.size();
549 if (session->status == ISSL_HANDSHAKING_WRITE || session->status == ISSL_HANDSHAKING_READ)
551 // The handshake isn't finished, try to finish it.
552 Handshake(session, fd);
559 if (session->status == ISSL_HANDSHAKEN)
561 ret = gnutls_record_send(session->sess, sendbuffer, count);
565 CloseSession(session);
569 if(ret != GNUTLS_E_AGAIN && ret != GNUTLS_E_INTERRUPTED)
571 ServerInstance->Logs->Log("m_ssl_gnutls", DEFAULT,
572 "m_ssl_gnutls.so: Error while writing to fd %d: %s",
573 fd, gnutls_strerror(ret));
574 CloseSession(session);
583 session->outbuf = session->outbuf.substr(ret);
589 /* Who's smart idea was it to return 1 when we havent written anything?
590 * This fucks the buffer up in BufferedSocket :p
592 return ret < 1 ? 0 : ret;
595 // :kenny.chatspike.net 320 Om Epy|AFK :is a Secure Connection
596 virtual void OnWhois(User* source, User* dest)
601 // Bugfix, only send this numeric for *our* SSL users
602 if (dest->GetExt("ssl", dummy))
604 ServerInstance->SendWhoisLine(source, dest, 320, "%s %s :is using a secure connection", source->nick.c_str(), dest->nick.c_str());
608 virtual void OnSyncUserMetaData(User* user, Module* proto, void* opaque, const std::string &extname, bool displayable)
610 // check if the linking module wants to know about OUR metadata
613 // check if this user has an swhois field to send
614 if(user->GetExt(extname, dummy))
616 // call this function in the linking module, let it format the data how it
617 // sees fit, and send it on its way. We dont need or want to know how.
618 proto->ProtoSendMetaData(opaque, TYPE_USER, user, extname, displayable ? "Enabled" : "ON");
623 virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
625 // check if its our metadata key, and its associated with a user
626 if ((target_type == TYPE_USER) && (extname == "ssl"))
628 User* dest = (User*)target;
629 // if they dont already have an ssl flag, accept the remote server's
630 if (!dest->GetExt(extname, dummy))
632 dest->Extend(extname, "ON");
637 bool Handshake(issl_session* session, int fd)
639 int ret = gnutls_handshake(session->sess);
643 if(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
645 // Handshake needs resuming later, read() or write() would have blocked.
647 if(gnutls_record_get_direction(session->sess) == 0)
649 // gnutls_handshake() wants to read() again.
650 session->status = ISSL_HANDSHAKING_READ;
654 // gnutls_handshake() wants to write() again.
655 session->status = ISSL_HANDSHAKING_WRITE;
662 ServerInstance->Logs->Log("m_ssl_gnutls", DEFAULT,
663 "m_ssl_gnutls.so: Handshake failed on fd %d: %s",
664 fd, gnutls_strerror(ret));
665 CloseSession(session);
666 session->status = ISSL_CLOSING;
673 // Handshake complete.
674 // This will do for setting the ssl flag...it could be done earlier if it's needed. But this seems neater.
675 User* extendme = ServerInstance->FindDescriptor(fd);
678 if (!extendme->GetExt("ssl", dummy))
679 extendme->Extend("ssl", "ON");
682 // Change the seesion state
683 session->status = ISSL_HANDSHAKEN;
685 // Finish writing, if any left
692 virtual void OnPostConnect(User* user)
694 // This occurs AFTER OnUserConnect so we can be sure the
695 // protocol module has propagated the NICK message.
696 if (user->GetIOHook() == this && (IS_LOCAL(user)))
698 // Tell whatever protocol module we're using that we need to inform other servers of this metadata NOW.
699 ServerInstance->PI->SendMetaData(user, TYPE_USER, "SSL", "on");
701 VerifyCertificate(&sessions[user->GetFd()],user);
702 if (sessions[user->GetFd()].sess)
704 std::string cipher = gnutls_kx_get_name(gnutls_kx_get(sessions[user->GetFd()].sess));
705 cipher.append("-").append(gnutls_cipher_get_name(gnutls_cipher_get(sessions[user->GetFd()].sess))).append("-");
706 cipher.append(gnutls_mac_get_name(gnutls_mac_get(sessions[user->GetFd()].sess)));
707 user->WriteServ("NOTICE %s :*** You are connected using SSL cipher \"%s\"", user->nick.c_str(), cipher.c_str());
712 void MakePollWrite(int fd)
714 //OnRawSocketWrite(fd, NULL, 0);
715 EventHandler* eh = ServerInstance->FindDescriptor(fd);
717 ServerInstance->SE->WantWrite(eh);
720 virtual void OnBufferFlushed(User* user)
722 if (user->GetIOHook() == this)
724 issl_session* session = &sessions[user->GetFd()];
725 if (session && session->outbuf.size())
726 OnRawSocketWrite(user->GetFd(), NULL, 0);
730 void CloseSession(issl_session* session)
734 gnutls_bye(session->sess, GNUTLS_SHUT_WR);
735 gnutls_deinit(session->sess);
738 session->outbuf.clear();
739 session->sess = NULL;
740 session->status = ISSL_NONE;
743 void VerifyCertificate(issl_session* session, Extensible* user)
745 if (!session->sess || !user)
749 const gnutls_datum_t* cert_list;
751 unsigned int cert_list_size;
752 gnutls_x509_crt_t cert;
754 unsigned char digest[MAXBUF];
755 size_t digest_size = sizeof(digest);
756 size_t name_size = sizeof(name);
757 ssl_cert* certinfo = new ssl_cert;
759 user->Extend("ssl_cert",certinfo);
761 /* This verification function uses the trusted CAs in the credentials
762 * structure. So you must have installed one or more CA certificates.
764 ret = gnutls_certificate_verify_peers2(session->sess, &status);
768 certinfo->data.insert(std::make_pair("error",std::string(gnutls_strerror(ret))));
772 if (status & GNUTLS_CERT_INVALID)
774 certinfo->data.insert(std::make_pair("invalid",ConvToStr(1)));
778 certinfo->data.insert(std::make_pair("invalid",ConvToStr(0)));
780 if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
782 certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(1)));
786 certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(0)));
788 if (status & GNUTLS_CERT_REVOKED)
790 certinfo->data.insert(std::make_pair("revoked",ConvToStr(1)));
794 certinfo->data.insert(std::make_pair("revoked",ConvToStr(0)));
796 if (status & GNUTLS_CERT_SIGNER_NOT_CA)
798 certinfo->data.insert(std::make_pair("trusted",ConvToStr(0)));
802 certinfo->data.insert(std::make_pair("trusted",ConvToStr(1)));
805 /* Up to here the process is the same for X.509 certificates and
806 * OpenPGP keys. From now on X.509 certificates are assumed. This can
807 * be easily extended to work with openpgp keys as well.
809 if (gnutls_certificate_type_get(session->sess) != GNUTLS_CRT_X509)
811 certinfo->data.insert(std::make_pair("error","No X509 keys sent"));
815 ret = gnutls_x509_crt_init(&cert);
818 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
823 cert_list = gnutls_certificate_get_peers(session->sess, &cert_list_size);
824 if (cert_list == NULL)
826 certinfo->data.insert(std::make_pair("error","No certificate was found"));
830 /* This is not a real world example, since we only check the first
831 * certificate in the given chain.
834 ret = gnutls_x509_crt_import(cert, &cert_list[0], GNUTLS_X509_FMT_DER);
837 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
841 gnutls_x509_crt_get_dn(cert, name, &name_size);
843 certinfo->data.insert(std::make_pair("dn",name));
845 gnutls_x509_crt_get_issuer_dn(cert, name, &name_size);
847 certinfo->data.insert(std::make_pair("issuer",name));
849 if ((ret = gnutls_x509_crt_get_fingerprint(cert, GNUTLS_DIG_MD5, digest, &digest_size)) < 0)
851 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
855 certinfo->data.insert(std::make_pair("fingerprint",irc::hex(digest, digest_size)));
858 /* Beware here we do not check for errors.
860 if ((gnutls_x509_crt_get_expiration_time(cert) < ServerInstance->Time()) || (gnutls_x509_crt_get_activation_time(cert) > ServerInstance->Time()))
862 certinfo->data.insert(std::make_pair("error","Not activated, or expired certificate"));
865 gnutls_x509_crt_deinit(cert);
870 void OnEvent(Event* ev)
872 GenericCapHandler(ev, "tls", "tls");
877 Module* server = ServerInstance->Modules->Find("m_spanningtree.so");
878 ServerInstance->Modules->SetPriority(this, I_OnPostConnect, PRIORITY_AFTER, &server);
882 MODULE_INIT(ModuleSSLGnuTLS)