1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2008 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 * ---------------------------------------------------
16 #include <gnutls/gnutls.h>
17 #include <gnutls/x509.h>
19 #include "inspircd_config.h"
20 #include "configreader.h"
26 #include "transport.h"
30 #pragma comment(lib, "libgnutls-13.lib")
33 /* $ModDesc: Provides SSL support for clients */
34 /* $CompileFlags: exec("libgnutls-config --cflags") */
35 /* $LinkerFlags: rpath("libgnutls-config --libs") exec("libgnutls-config --libs") */
36 /* $ModDep: transport.h */
37 /* $CopyInstall: conf/key.pem $(CONPATH) */
38 /* $CopyInstall: conf/cert.pem $(CONPATH) */
40 enum issl_status { ISSL_NONE, ISSL_HANDSHAKING_READ, ISSL_HANDSHAKING_WRITE, ISSL_HANDSHAKEN, ISSL_CLOSING, ISSL_CLOSED };
42 bool isin(const std::string &host, int port, const std::vector<std::string> &portlist)
44 if (std::find(portlist.begin(), portlist.end(), "*:" + ConvToStr(port)) != portlist.end())
47 if (std::find(portlist.begin(), portlist.end(), ":" + ConvToStr(port)) != portlist.end())
50 return std::find(portlist.begin(), portlist.end(), host + ":" + ConvToStr(port)) != portlist.end();
53 /** Represents an SSL user's extra data
55 class issl_session : public classbase
58 gnutls_session_t sess;
66 class CommandStartTLS : public Command
70 /* Command 'dalinfo', takes no parameters and needs no special modes */
71 CommandStartTLS (InspIRCd* Instance, Module* mod) : Command(Instance,"STARTTLS", 0, 0, true), Caller(mod)
73 this->source = "m_ssl_gnutls.so";
76 CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
79 Caller->OnRawSocketAccept(user->GetFd(), user->GetIPString(), user->GetPort());
85 class ModuleSSLGnuTLS : public Module
92 std::vector<std::string> listenports;
95 issl_session* sessions;
97 gnutls_certificate_credentials x509_cred;
98 gnutls_dh_params dh_params;
101 std::string certfile;
104 std::string sslports;
109 CommandStartTLS* starttls;
113 ModuleSSLGnuTLS(InspIRCd* Me)
116 ServerInstance->Modules->PublishInterface("BufferedSocketHook", this);
118 sessions = new issl_session[ServerInstance->SE->GetMaxFds()];
120 // Not rehashable...because I cba to reduce all the sizes of existing buffers.
121 inbufsize = ServerInstance->Config->NetBufferSize;
123 gnutls_global_init(); // This must be called once in the program
125 if(gnutls_certificate_allocate_credentials(&x509_cred) != 0)
126 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to allocate certificate credentials");
128 // Guessing return meaning
129 if(gnutls_dh_params_init(&dh_params) < 0)
130 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to initialise DH parameters");
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.
224 cafile = confdir + cafile;
226 if(crlfile[0] != '/')
227 crlfile = confdir + crlfile;
229 if(certfile[0] != '/')
230 certfile = confdir + certfile;
232 if(keyfile[0] != '/')
233 keyfile = confdir + keyfile;
237 if((ret =gnutls_certificate_set_x509_trust_file(x509_cred, cafile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
238 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));
240 if((ret = gnutls_certificate_set_x509_crl_file (x509_cred, crlfile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
241 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));
243 if((ret = gnutls_certificate_set_x509_key_file (x509_cred, certfile.c_str(), keyfile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
245 // If this fails, no SSL port will work. At all. So, do the smart thing - throw a ModuleException
246 throw ModuleException("Unable to load GnuTLS server certificate: " + std::string(gnutls_strerror(ret)));
249 // This may be on a large (once a day or week) timer eventually.
255 void GenerateDHParams()
257 // Generate Diffie Hellman parameters - for use with DHE
258 // kx algorithms. These should be discarded and regenerated
259 // once a day, once a week or once a month. Depending on the
260 // security requirements.
264 if((ret = gnutls_dh_params_generate2(dh_params, dh_bits)) < 0)
265 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to generate DH parameters (%d bits): %s", dh_bits, gnutls_strerror(ret));
268 virtual ~ModuleSSLGnuTLS()
270 gnutls_dh_params_deinit(dh_params);
271 gnutls_certificate_free_credentials(x509_cred);
272 gnutls_global_deinit();
273 ServerInstance->Modules->UnpublishInterface("BufferedSocketHook", this);
277 virtual void OnCleanup(int target_type, void* item)
279 if(target_type == TYPE_USER)
281 User* user = (User*)item;
285 // User is using SSL, they're a local user, and they're using one of *our* SSL ports.
286 // Potentially there could be multiple SSL modules loaded at once on different ports.
287 ServerInstance->Users->QuitUser(user, "SSL module unloading");
289 if (user->GetExt("ssl_cert", dummy))
292 user->GetExt("ssl_cert", tofree);
294 user->Shrink("ssl_cert");
301 virtual void OnUnloadModule(Module* mod, const std::string &name)
305 for(unsigned int i = 0; i < listenports.size(); i++)
307 for (size_t j = 0; j < ServerInstance->Config->ports.size(); j++)
308 if (listenports[i] == (ServerInstance->Config->ports[j]->GetIP()+":"+ConvToStr(ServerInstance->Config->ports[j]->GetPort())))
309 ServerInstance->Config->ports[j]->SetDescription("plaintext");
314 virtual Version GetVersion()
316 return Version(1, 2, 0, 0, VF_VENDOR, API_VERSION);
320 virtual void On005Numeric(std::string &output)
322 output.append(" SSL=" + sslports);
325 virtual void OnHookUserIO(User* user, const std::string &targetip)
327 if (!user->io && isin(targetip,user->GetPort(),listenports))
329 /* Hook the user with our module */
334 virtual const char* OnRequest(Request* request)
336 ISHRequest* ISR = (ISHRequest*)request;
337 if (strcmp("IS_NAME", request->GetId()) == 0)
341 else if (strcmp("IS_HOOK", request->GetId()) == 0)
343 const char* ret = "OK";
346 ret = ServerInstance->Config->AddIOHook((Module*)this, (BufferedSocket*)ISR->Sock) ? "OK" : NULL;
348 catch (ModuleException &e)
354 else if (strcmp("IS_UNHOOK", request->GetId()) == 0)
356 return ServerInstance->Config->DelIOHook((BufferedSocket*)ISR->Sock) ? "OK" : NULL;
358 else if (strcmp("IS_HSDONE", request->GetId()) == 0)
360 if (ISR->Sock->GetFd() < 0)
363 issl_session* session = &sessions[ISR->Sock->GetFd()];
364 return (session->status == ISSL_HANDSHAKING_READ || session->status == ISSL_HANDSHAKING_WRITE) ? NULL : "OK";
366 else if (strcmp("IS_ATTACH", request->GetId()) == 0)
368 if (ISR->Sock->GetFd() > -1)
370 issl_session* session = &sessions[ISR->Sock->GetFd()];
373 if ((Extensible*)ServerInstance->FindDescriptor(ISR->Sock->GetFd()) == (Extensible*)(ISR->Sock))
375 VerifyCertificate(session, (BufferedSocket*)ISR->Sock);
385 virtual void OnRawSocketAccept(int fd, const std::string &ip, int localport)
387 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
388 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
391 issl_session* session = &sessions[fd];
394 session->inbuf = new char[inbufsize];
395 session->inbufoffset = 0;
397 gnutls_init(&session->sess, GNUTLS_SERVER);
399 gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
400 gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
401 gnutls_dh_set_prime_bits(session->sess, dh_bits);
403 /* This is an experimental change to avoid a warning on 64bit systems about casting between integer and pointer of different sizes
404 * This needs testing, but it's easy enough to rollback if need be
405 * Old: gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
406 * New: gnutls_transport_set_ptr(session->sess, &fd); // Give gnutls the fd for the socket.
408 * With testing this seems to...not work :/
411 gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
413 gnutls_certificate_server_set_request(session->sess, GNUTLS_CERT_REQUEST); // Request client certificate if any.
418 virtual void OnRawSocketConnect(int fd)
420 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
421 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
424 issl_session* session = &sessions[fd];
427 session->inbuf = new char[inbufsize];
428 session->inbufoffset = 0;
430 gnutls_init(&session->sess, GNUTLS_CLIENT);
432 gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
433 gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
434 gnutls_dh_set_prime_bits(session->sess, dh_bits);
435 gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
440 virtual void OnRawSocketClose(int fd)
442 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
443 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds()))
446 CloseSession(&sessions[fd]);
448 EventHandler* user = ServerInstance->SE->GetRef(fd);
450 if ((user) && (user->GetExt("ssl_cert", dummy)))
453 user->GetExt("ssl_cert", tofree);
455 user->Shrink("ssl_cert");
459 virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
461 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
462 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
465 issl_session* session = &sessions[fd];
470 CloseSession(session);
474 if (session->status == ISSL_HANDSHAKING_READ)
476 // The handshake isn't finished, try to finish it.
478 if(!Handshake(session))
480 // Couldn't resume handshake.
484 else if (session->status == ISSL_HANDSHAKING_WRITE)
487 MakePollWrite(session);
491 // If we resumed the handshake then session->status will be ISSL_HANDSHAKEN.
493 if (session->status == ISSL_HANDSHAKEN)
495 // Is this right? Not sure if the unencrypted data is garaunteed to be the same length.
496 // Read into the inbuffer, offset from the beginning by the amount of data we have that insp hasn't taken yet.
497 int ret = gnutls_record_recv(session->sess, session->inbuf + session->inbufoffset, inbufsize - session->inbufoffset);
501 // Client closed connection.
503 CloseSession(session);
508 if (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
516 CloseSession(session);
521 // Read successfully 'ret' bytes into inbuf + inbufoffset
522 // There are 'ret' + 'inbufoffset' bytes of data in 'inbuf'
523 // 'buffer' is 'count' long
525 unsigned int length = ret + session->inbufoffset;
529 memcpy(buffer, session->inbuf, count);
530 // Move the stuff left in inbuf to the beginning of it
531 memcpy(session->inbuf, session->inbuf + count, (length - count));
532 // Now we need to set session->inbufoffset to the amount of data still waiting to be handed to insp.
533 session->inbufoffset = length - count;
534 // Insp uses readresult as the count of how much data there is in buffer, so:
539 // There's not as much in the inbuf as there is space in the buffer, so just copy the whole thing.
540 memcpy(buffer, session->inbuf, length);
541 // Zero the offset, as there's nothing there..
542 session->inbufoffset = 0;
548 else if(session->status == ISSL_CLOSING)
554 virtual int OnRawSocketWrite(int fd, const char* buffer, int count)
556 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
557 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
560 issl_session* session = &sessions[fd];
561 const char* sendbuffer = buffer;
565 CloseSession(session);
569 session->outbuf.append(sendbuffer, count);
570 sendbuffer = session->outbuf.c_str();
571 count = session->outbuf.size();
573 if (session->status == ISSL_HANDSHAKING_WRITE)
575 // The handshake isn't finished, try to finish it.
583 if (session->status == ISSL_HANDSHAKEN)
585 ret = gnutls_record_send(session->sess, sendbuffer, count);
589 CloseSession(session);
593 if(ret != GNUTLS_E_AGAIN && ret != GNUTLS_E_INTERRUPTED)
595 CloseSession(session);
604 session->outbuf = session->outbuf.substr(ret);
608 MakePollWrite(session);
610 /* Who's smart idea was it to return 1 when we havent written anything?
611 * This fucks the buffer up in BufferedSocket :p
613 return ret < 1 ? 0 : ret;
616 // :kenny.chatspike.net 320 Om Epy|AFK :is a Secure Connection
617 virtual void OnWhois(User* source, User* dest)
622 // Bugfix, only send this numeric for *our* SSL users
623 if (dest->GetExt("ssl", dummy) || ((IS_LOCAL(dest) && (dest->io == this))))
625 ServerInstance->SendWhoisLine(source, dest, 320, "%s %s :is using a secure connection", source->nick, dest->nick);
629 virtual void OnSyncUserMetaData(User* user, Module* proto, void* opaque, const std::string &extname, bool displayable)
631 // check if the linking module wants to know about OUR metadata
634 // check if this user has an swhois field to send
635 if(user->GetExt(extname, dummy))
637 // call this function in the linking module, let it format the data how it
638 // sees fit, and send it on its way. We dont need or want to know how.
639 proto->ProtoSendMetaData(opaque, TYPE_USER, user, extname, displayable ? "Enabled" : "ON");
644 virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
646 // check if its our metadata key, and its associated with a user
647 if ((target_type == TYPE_USER) && (extname == "ssl"))
649 User* dest = (User*)target;
650 // if they dont already have an ssl flag, accept the remote server's
651 if (!dest->GetExt(extname, dummy))
653 dest->Extend(extname, "ON");
658 bool Handshake(issl_session* session)
660 int ret = gnutls_handshake(session->sess);
664 if(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
666 // Handshake needs resuming later, read() or write() would have blocked.
668 if(gnutls_record_get_direction(session->sess) == 0)
670 // gnutls_handshake() wants to read() again.
671 session->status = ISSL_HANDSHAKING_READ;
675 // gnutls_handshake() wants to write() again.
676 session->status = ISSL_HANDSHAKING_WRITE;
677 MakePollWrite(session);
683 CloseSession(session);
684 session->status = ISSL_CLOSING;
691 // Handshake complete.
692 // This will do for setting the ssl flag...it could be done earlier if it's needed. But this seems neater.
693 User* extendme = ServerInstance->FindDescriptor(session->fd);
696 if (!extendme->GetExt("ssl", dummy))
697 extendme->Extend("ssl", "ON");
700 // Change the seesion state
701 session->status = ISSL_HANDSHAKEN;
703 // Finish writing, if any left
704 MakePollWrite(session);
710 virtual void OnPostConnect(User* user)
712 // This occurs AFTER OnUserConnect so we can be sure the
713 // protocol module has propagated the NICK message.
714 if ((user->GetExt("ssl", dummy)) && (IS_LOCAL(user)))
716 // Tell whatever protocol module we're using that we need to inform other servers of this metadata NOW.
717 ServerInstance->PI->SendMetaData(user, TYPE_USER, "SSL", "on");
719 VerifyCertificate(&sessions[user->GetFd()],user);
720 if (sessions[user->GetFd()].sess)
722 std::string cipher = gnutls_kx_get_name(gnutls_kx_get(sessions[user->GetFd()].sess));
723 cipher.append("-").append(gnutls_cipher_get_name(gnutls_cipher_get(sessions[user->GetFd()].sess))).append("-");
724 cipher.append(gnutls_mac_get_name(gnutls_mac_get(sessions[user->GetFd()].sess)));
725 user->WriteServ("NOTICE %s :*** You are connected using SSL cipher \"%s\"", user->nick, cipher.c_str());
730 void MakePollWrite(issl_session* session)
732 //OnRawSocketWrite(session->fd, NULL, 0);
733 EventHandler* eh = ServerInstance->FindDescriptor(session->fd);
735 ServerInstance->SE->WantWrite(eh);
738 virtual void OnBufferFlushed(User* user)
740 if (user->GetExt("ssl"))
742 issl_session* session = &sessions[user->GetFd()];
743 if (session && session->outbuf.size())
744 OnRawSocketWrite(user->GetFd(), NULL, 0);
748 void CloseSession(issl_session* session)
752 gnutls_bye(session->sess, GNUTLS_SHUT_WR);
753 gnutls_deinit(session->sess);
758 delete[] session->inbuf;
761 session->outbuf.clear();
762 session->inbuf = NULL;
763 session->sess = NULL;
764 session->status = ISSL_NONE;
767 void VerifyCertificate(issl_session* session, Extensible* user)
769 if (!session->sess || !user)
773 const gnutls_datum_t* cert_list;
775 unsigned int cert_list_size;
776 gnutls_x509_crt_t cert;
778 unsigned char digest[MAXBUF];
779 size_t digest_size = sizeof(digest);
780 size_t name_size = sizeof(name);
781 ssl_cert* certinfo = new ssl_cert;
783 user->Extend("ssl_cert",certinfo);
785 /* This verification function uses the trusted CAs in the credentials
786 * structure. So you must have installed one or more CA certificates.
788 ret = gnutls_certificate_verify_peers2(session->sess, &status);
792 certinfo->data.insert(std::make_pair("error",std::string(gnutls_strerror(ret))));
796 if (status & GNUTLS_CERT_INVALID)
798 certinfo->data.insert(std::make_pair("invalid",ConvToStr(1)));
802 certinfo->data.insert(std::make_pair("invalid",ConvToStr(0)));
804 if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
806 certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(1)));
810 certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(0)));
812 if (status & GNUTLS_CERT_REVOKED)
814 certinfo->data.insert(std::make_pair("revoked",ConvToStr(1)));
818 certinfo->data.insert(std::make_pair("revoked",ConvToStr(0)));
820 if (status & GNUTLS_CERT_SIGNER_NOT_CA)
822 certinfo->data.insert(std::make_pair("trusted",ConvToStr(0)));
826 certinfo->data.insert(std::make_pair("trusted",ConvToStr(1)));
829 /* Up to here the process is the same for X.509 certificates and
830 * OpenPGP keys. From now on X.509 certificates are assumed. This can
831 * be easily extended to work with openpgp keys as well.
833 if (gnutls_certificate_type_get(session->sess) != GNUTLS_CRT_X509)
835 certinfo->data.insert(std::make_pair("error","No X509 keys sent"));
839 ret = gnutls_x509_crt_init(&cert);
842 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
847 cert_list = gnutls_certificate_get_peers(session->sess, &cert_list_size);
848 if (cert_list == NULL)
850 certinfo->data.insert(std::make_pair("error","No certificate was found"));
854 /* This is not a real world example, since we only check the first
855 * certificate in the given chain.
858 ret = gnutls_x509_crt_import(cert, &cert_list[0], GNUTLS_X509_FMT_DER);
861 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
865 gnutls_x509_crt_get_dn(cert, name, &name_size);
867 certinfo->data.insert(std::make_pair("dn",name));
869 gnutls_x509_crt_get_issuer_dn(cert, name, &name_size);
871 certinfo->data.insert(std::make_pair("issuer",name));
873 if ((ret = gnutls_x509_crt_get_fingerprint(cert, GNUTLS_DIG_MD5, digest, &digest_size)) < 0)
875 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
879 certinfo->data.insert(std::make_pair("fingerprint",irc::hex(digest, digest_size)));
882 /* Beware here we do not check for errors.
884 if ((gnutls_x509_crt_get_expiration_time(cert) < time(0)) || (gnutls_x509_crt_get_activation_time(cert) > time(0)))
886 certinfo->data.insert(std::make_pair("error","Not activated, or expired certificate"));
889 gnutls_x509_crt_deinit(cert);
894 void OnEvent(Event* ev)
896 GenericCapHandler(ev, "tls", "tls");
901 Module* server = ServerInstance->Modules->Find("m_spanningtree.so");
902 ServerInstance->Modules->SetPriority(this, I_OnPostConnect, PRIO_AFTER, &server);
906 MODULE_INIT(ModuleSSLGnuTLS)