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;
62 class CommandStartTLS : public Command
66 CommandStartTLS (InspIRCd* Instance, Module* mod) : Command(Instance,"STARTTLS", 0, 0, true), Caller(mod)
68 this->source = "m_ssl_gnutls.so";
71 CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
73 /* changed from == REG_ALL to catch clients sending STARTTLS
74 * after NICK and USER but before OnUserConnect completes and
75 * give a proper error message (see bug #645) - dz
77 if (user->registered != REG_NONE)
79 ServerInstance->Users->QuitUser(user, "STARTTLS is not permitted after client registration has started");
83 if (!user->GetIOHook())
85 user->WriteNumeric(670, "%s :STARTTLS successful, go ahead with TLS handshake", user->nick.c_str());
86 user->AddIOHook(Caller);
87 Caller->OnRawSocketAccept(user->GetFd(), user->GetIPString(), user->GetPort());
90 user->WriteNumeric(691, "%s :STARTTLS failure", user->nick.c_str());
97 class ModuleSSLGnuTLS : public Module
104 std::vector<std::string> listenports;
107 issl_session* sessions;
109 gnutls_certificate_credentials x509_cred;
110 gnutls_dh_params dh_params;
113 std::string certfile;
116 std::string sslports;
122 CommandStartTLS* starttls;
126 ModuleSSLGnuTLS(InspIRCd* Me)
129 ServerInstance->Modules->PublishInterface("BufferedSocketHook", this);
131 sessions = new issl_session[ServerInstance->SE->GetMaxFds()];
133 // Not rehashable...because I cba to reduce all the sizes of existing buffers.
134 inbufsize = ServerInstance->Config->NetBufferSize;
136 gnutls_global_init(); // This must be called once in the program
139 // Needs the flag as it ignores a plain /rehash
140 OnRehash(NULL,"ssl");
142 // Void return, guess we assume success
143 gnutls_certificate_set_dh_params(x509_cred, dh_params);
144 Implementation eventlist[] = { I_On005Numeric, I_OnRawSocketConnect, I_OnRawSocketAccept, I_OnRawSocketClose, I_OnRawSocketRead, I_OnRawSocketWrite, I_OnCleanup,
145 I_OnBufferFlushed, I_OnRequest, I_OnSyncUserMetaData, I_OnDecodeMetaData, I_OnUnloadModule, I_OnRehash, I_OnWhois, I_OnPostConnect, I_OnEvent, I_OnHookUserIO };
146 ServerInstance->Modules->Attach(eventlist, this, 17);
148 starttls = new CommandStartTLS(ServerInstance, this);
149 ServerInstance->AddCommand(starttls);
152 virtual void OnRehash(User* user, const std::string ¶m)
154 Conf = new ConfigReader(ServerInstance);
160 for(int index = 0; index < Conf->Enumerate("bind"); index++)
162 // For each <bind> tag
163 std::string x = Conf->ReadValue("bind", "type", index);
164 if(((x.empty()) || (x == "clients")) && (Conf->ReadValue("bind", "ssl", index) == "gnutls"))
166 // Get the port we're meant to be listening on with SSL
167 std::string port = Conf->ReadValue("bind", "port", index);
168 std::string addr = Conf->ReadValue("bind", "address", index);
170 irc::portparser portrange(port, false);
172 while ((portno = portrange.GetToken()))
177 listenports.push_back(addr + ":" + ConvToStr(portno));
179 for (size_t i = 0; i < ServerInstance->Config->ports.size(); i++)
180 if ((ServerInstance->Config->ports[i]->GetPort() == portno) && (ServerInstance->Config->ports[i]->GetIP() == addr))
181 ServerInstance->Config->ports[i]->SetDescription("ssl");
182 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Enabling SSL for port %ld", portno);
184 sslports.append((addr.empty() ? "*" : addr)).append(":").append(ConvToStr(portno)).append(";");
186 catch (ModuleException &e)
188 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());
194 if (!sslports.empty())
195 sslports.erase(sslports.end() - 1);
203 std::string confdir(ServerInstance->ConfigFileName);
204 // +1 so we the path ends with a /
205 confdir = confdir.substr(0, confdir.find_last_of('/') + 1);
207 cafile = Conf->ReadValue("gnutls", "cafile", 0);
208 crlfile = Conf->ReadValue("gnutls", "crlfile", 0);
209 certfile = Conf->ReadValue("gnutls", "certfile", 0);
210 keyfile = Conf->ReadValue("gnutls", "keyfile", 0);
211 dh_bits = Conf->ReadInteger("gnutls", "dhbits", 0, false);
213 // Set all the default values needed.
220 if (certfile.empty())
221 certfile = "cert.pem";
226 if((dh_bits != 768) && (dh_bits != 1024) && (dh_bits != 2048) && (dh_bits != 3072) && (dh_bits != 4096))
229 // Prepend relative paths with the path to the config directory.
230 if ((cafile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(cafile)))
231 cafile = confdir + cafile;
233 if ((crlfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(crlfile)))
234 crlfile = confdir + crlfile;
236 if ((certfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(certfile)))
237 certfile = confdir + certfile;
239 if ((keyfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(keyfile)))
240 keyfile = confdir + keyfile;
246 // Deallocate the old credentials
247 gnutls_dh_params_deinit(dh_params);
248 gnutls_certificate_free_credentials(x509_cred);
253 if((ret = gnutls_certificate_allocate_credentials(&x509_cred)) < 0)
254 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to allocate certificate credentials: %s", gnutls_strerror(ret));
256 if((ret = gnutls_dh_params_init(&dh_params)) < 0)
257 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to initialise DH parameters: %s", gnutls_strerror(ret));
259 if((ret =gnutls_certificate_set_x509_trust_file(x509_cred, cafile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
260 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));
262 if((ret = gnutls_certificate_set_x509_crl_file (x509_cred, crlfile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
263 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));
265 if((ret = gnutls_certificate_set_x509_key_file (x509_cred, certfile.c_str(), keyfile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
267 // If this fails, no SSL port will work. At all. So, do the smart thing - throw a ModuleException
268 throw ModuleException("Unable to load GnuTLS server certificate (" + certfile + ", key: " + keyfile + "): " + std::string(gnutls_strerror(ret)));
271 // This may be on a large (once a day or week) timer eventually.
277 void GenerateDHParams()
279 // Generate Diffie Hellman parameters - for use with DHE
280 // kx algorithms. These should be discarded and regenerated
281 // once a day, once a week or once a month. Depending on the
282 // security requirements.
286 if((ret = gnutls_dh_params_generate2(dh_params, dh_bits)) < 0)
287 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to generate DH parameters (%d bits): %s", dh_bits, gnutls_strerror(ret));
290 virtual ~ModuleSSLGnuTLS()
292 gnutls_dh_params_deinit(dh_params);
293 gnutls_certificate_free_credentials(x509_cred);
294 gnutls_global_deinit();
295 ServerInstance->Modules->UnpublishInterface("BufferedSocketHook", this);
299 virtual void OnCleanup(int target_type, void* item)
301 if(target_type == TYPE_USER)
303 User* user = (User*)item;
305 if (user->GetIOHook() == this)
307 // User is using SSL, they're a local user, and they're using one of *our* SSL ports.
308 // Potentially there could be multiple SSL modules loaded at once on different ports.
309 ServerInstance->Users->QuitUser(user, "SSL module unloading");
312 if (user->GetExt("ssl_cert", dummy))
315 user->GetExt("ssl_cert", tofree);
317 user->Shrink("ssl_cert");
322 virtual void OnUnloadModule(Module* mod, const std::string &name)
326 for(unsigned int i = 0; i < listenports.size(); i++)
328 for (size_t j = 0; j < ServerInstance->Config->ports.size(); j++)
329 if (listenports[i] == (ServerInstance->Config->ports[j]->GetIP()+":"+ConvToStr(ServerInstance->Config->ports[j]->GetPort())))
330 ServerInstance->Config->ports[j]->SetDescription("plaintext");
335 virtual Version GetVersion()
337 return Version("$Id$", VF_VENDOR, API_VERSION);
341 virtual void On005Numeric(std::string &output)
343 output.append(" SSL=" + sslports);
346 virtual void OnHookUserIO(User* user, const std::string &targetip)
348 if (!user->GetIOHook() && isin(targetip,user->GetPort(),listenports))
350 /* Hook the user with our module */
351 user->AddIOHook(this);
355 virtual const char* OnRequest(Request* request)
357 ISHRequest* ISR = (ISHRequest*)request;
358 if (strcmp("IS_NAME", request->GetId()) == 0)
362 else if (strcmp("IS_HOOK", request->GetId()) == 0)
364 const char* ret = "OK";
367 ret = ISR->Sock->AddIOHook((Module*)this) ? "OK" : NULL;
369 catch (ModuleException &e)
375 else if (strcmp("IS_UNHOOK", request->GetId()) == 0)
377 return ISR->Sock->DelIOHook() ? "OK" : NULL;
379 else if (strcmp("IS_HSDONE", request->GetId()) == 0)
381 if (ISR->Sock->GetFd() < 0)
384 issl_session* session = &sessions[ISR->Sock->GetFd()];
385 return (session->status == ISSL_HANDSHAKING_READ || session->status == ISSL_HANDSHAKING_WRITE) ? NULL : "OK";
387 else if (strcmp("IS_ATTACH", request->GetId()) == 0)
389 if (ISR->Sock->GetFd() > -1)
391 issl_session* session = &sessions[ISR->Sock->GetFd()];
394 if ((Extensible*)ServerInstance->FindDescriptor(ISR->Sock->GetFd()) == (Extensible*)(ISR->Sock))
396 VerifyCertificate(session, (BufferedSocket*)ISR->Sock);
406 virtual void OnRawSocketAccept(int fd, const std::string &ip, int localport)
408 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
409 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
412 issl_session* session = &sessions[fd];
414 /* For STARTTLS: Don't try and init a session on a socket that already has a session */
419 session->inbuf = new char[inbufsize];
420 session->inbufoffset = 0;
422 gnutls_init(&session->sess, GNUTLS_SERVER);
424 gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
425 gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
426 gnutls_dh_set_prime_bits(session->sess, dh_bits);
428 /* This is an experimental change to avoid a warning on 64bit systems about casting between integer and pointer of different sizes
429 * This needs testing, but it's easy enough to rollback if need be
430 * Old: gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
431 * New: gnutls_transport_set_ptr(session->sess, &fd); // Give gnutls the fd for the socket.
433 * With testing this seems to...not work :/
436 gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
438 gnutls_certificate_server_set_request(session->sess, GNUTLS_CERT_REQUEST); // Request client certificate if any.
443 virtual void OnRawSocketConnect(int fd)
445 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
446 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
449 issl_session* session = &sessions[fd];
452 session->inbuf = new char[inbufsize];
453 session->inbufoffset = 0;
455 gnutls_init(&session->sess, GNUTLS_CLIENT);
457 gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
458 gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
459 gnutls_dh_set_prime_bits(session->sess, dh_bits);
460 gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
465 virtual void OnRawSocketClose(int fd)
467 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
468 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds()))
471 CloseSession(&sessions[fd]);
473 EventHandler* user = ServerInstance->SE->GetRef(fd);
475 if ((user) && (user->GetExt("ssl_cert", dummy)))
478 user->GetExt("ssl_cert", tofree);
480 user->Shrink("ssl_cert");
484 virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
486 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
487 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
490 issl_session* session = &sessions[fd];
495 CloseSession(session);
499 if (session->status == ISSL_HANDSHAKING_READ)
501 // The handshake isn't finished, try to finish it.
503 if(!Handshake(session))
505 // Couldn't resume handshake.
509 else if (session->status == ISSL_HANDSHAKING_WRITE)
512 MakePollWrite(session);
516 // If we resumed the handshake then session->status will be ISSL_HANDSHAKEN.
518 if (session->status == ISSL_HANDSHAKEN)
520 // Is this right? Not sure if the unencrypted data is garaunteed to be the same length.
521 // Read into the inbuffer, offset from the beginning by the amount of data we have that insp hasn't taken yet.
522 int ret = gnutls_record_recv(session->sess, session->inbuf + session->inbufoffset, inbufsize - session->inbufoffset);
526 // Client closed connection.
528 CloseSession(session);
533 if (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
540 ServerInstance->Logs->Log("m_ssl_gnutls", DEFAULT,
541 "m_ssl_gnutls.so: Error while reading on fd %d: %s",
542 session->fd, gnutls_strerror(ret));
544 CloseSession(session);
549 // Read successfully 'ret' bytes into inbuf + inbufoffset
550 // There are 'ret' + 'inbufoffset' bytes of data in 'inbuf'
551 // 'buffer' is 'count' long
553 unsigned int length = ret + session->inbufoffset;
557 memcpy(buffer, session->inbuf, count);
558 // Move the stuff left in inbuf to the beginning of it
559 memmove(session->inbuf, session->inbuf + count, (length - count));
560 // Now we need to set session->inbufoffset to the amount of data still waiting to be handed to insp.
561 session->inbufoffset = length - count;
562 // Insp uses readresult as the count of how much data there is in buffer, so:
567 // There's not as much in the inbuf as there is space in the buffer, so just copy the whole thing.
568 memcpy(buffer, session->inbuf, length);
569 // Zero the offset, as there's nothing there..
570 session->inbufoffset = 0;
576 else if(session->status == ISSL_CLOSING)
582 virtual int OnRawSocketWrite(int fd, const char* buffer, int count)
584 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
585 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
588 issl_session* session = &sessions[fd];
589 const char* sendbuffer = buffer;
593 CloseSession(session);
597 session->outbuf.append(sendbuffer, count);
598 sendbuffer = session->outbuf.c_str();
599 count = session->outbuf.size();
601 if (session->status == ISSL_HANDSHAKING_WRITE || session->status == ISSL_HANDSHAKING_READ)
603 // The handshake isn't finished, try to finish it.
611 if (session->status == ISSL_HANDSHAKEN)
613 ret = gnutls_record_send(session->sess, sendbuffer, count);
617 CloseSession(session);
621 if(ret != GNUTLS_E_AGAIN && ret != GNUTLS_E_INTERRUPTED)
623 ServerInstance->Logs->Log("m_ssl_gnutls", DEFAULT,
624 "m_ssl_gnutls.so: Error while writing to fd %d: %s",
625 session->fd, gnutls_strerror(ret));
626 CloseSession(session);
635 session->outbuf = session->outbuf.substr(ret);
639 MakePollWrite(session);
641 /* Who's smart idea was it to return 1 when we havent written anything?
642 * This fucks the buffer up in BufferedSocket :p
644 return ret < 1 ? 0 : ret;
647 // :kenny.chatspike.net 320 Om Epy|AFK :is a Secure Connection
648 virtual void OnWhois(User* source, User* dest)
653 // Bugfix, only send this numeric for *our* SSL users
654 if (dest->GetExt("ssl", dummy))
656 ServerInstance->SendWhoisLine(source, dest, 320, "%s %s :is using a secure connection", source->nick.c_str(), dest->nick.c_str());
660 virtual void OnSyncUserMetaData(User* user, Module* proto, void* opaque, const std::string &extname, bool displayable)
662 // check if the linking module wants to know about OUR metadata
665 // check if this user has an swhois field to send
666 if(user->GetExt(extname, dummy))
668 // call this function in the linking module, let it format the data how it
669 // sees fit, and send it on its way. We dont need or want to know how.
670 proto->ProtoSendMetaData(opaque, TYPE_USER, user, extname, displayable ? "Enabled" : "ON");
675 virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
677 // check if its our metadata key, and its associated with a user
678 if ((target_type == TYPE_USER) && (extname == "ssl"))
680 User* dest = (User*)target;
681 // if they dont already have an ssl flag, accept the remote server's
682 if (!dest->GetExt(extname, dummy))
684 dest->Extend(extname, "ON");
689 bool Handshake(issl_session* session)
691 int ret = gnutls_handshake(session->sess);
695 if(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
697 // Handshake needs resuming later, read() or write() would have blocked.
699 if(gnutls_record_get_direction(session->sess) == 0)
701 // gnutls_handshake() wants to read() again.
702 session->status = ISSL_HANDSHAKING_READ;
706 // gnutls_handshake() wants to write() again.
707 session->status = ISSL_HANDSHAKING_WRITE;
708 MakePollWrite(session);
714 ServerInstance->Logs->Log("m_ssl_gnutls", DEFAULT,
715 "m_ssl_gnutls.so: Handshake failed on fd %d: %s",
716 session->fd, gnutls_strerror(ret));
717 CloseSession(session);
718 session->status = ISSL_CLOSING;
725 // Handshake complete.
726 // This will do for setting the ssl flag...it could be done earlier if it's needed. But this seems neater.
727 User* extendme = ServerInstance->FindDescriptor(session->fd);
730 if (!extendme->GetExt("ssl", dummy))
731 extendme->Extend("ssl", "ON");
734 // Change the seesion state
735 session->status = ISSL_HANDSHAKEN;
737 // Finish writing, if any left
738 MakePollWrite(session);
744 virtual void OnPostConnect(User* user)
746 // This occurs AFTER OnUserConnect so we can be sure the
747 // protocol module has propagated the NICK message.
748 if (user->GetIOHook() == this && (IS_LOCAL(user)))
750 // Tell whatever protocol module we're using that we need to inform other servers of this metadata NOW.
751 ServerInstance->PI->SendMetaData(user, TYPE_USER, "SSL", "on");
753 VerifyCertificate(&sessions[user->GetFd()],user);
754 if (sessions[user->GetFd()].sess)
756 std::string cipher = gnutls_kx_get_name(gnutls_kx_get(sessions[user->GetFd()].sess));
757 cipher.append("-").append(gnutls_cipher_get_name(gnutls_cipher_get(sessions[user->GetFd()].sess))).append("-");
758 cipher.append(gnutls_mac_get_name(gnutls_mac_get(sessions[user->GetFd()].sess)));
759 user->WriteServ("NOTICE %s :*** You are connected using SSL cipher \"%s\"", user->nick.c_str(), cipher.c_str());
764 void MakePollWrite(issl_session* session)
766 //OnRawSocketWrite(session->fd, NULL, 0);
767 EventHandler* eh = ServerInstance->FindDescriptor(session->fd);
769 ServerInstance->SE->WantWrite(eh);
772 virtual void OnBufferFlushed(User* user)
774 if (user->GetIOHook() == this)
776 issl_session* session = &sessions[user->GetFd()];
777 if (session && session->outbuf.size())
778 OnRawSocketWrite(user->GetFd(), NULL, 0);
782 void CloseSession(issl_session* session)
786 gnutls_bye(session->sess, GNUTLS_SHUT_WR);
787 gnutls_deinit(session->sess);
792 delete[] session->inbuf;
795 session->outbuf.clear();
796 session->inbuf = NULL;
797 session->sess = NULL;
798 session->status = ISSL_NONE;
801 void VerifyCertificate(issl_session* session, Extensible* user)
803 if (!session->sess || !user)
807 const gnutls_datum_t* cert_list;
809 unsigned int cert_list_size;
810 gnutls_x509_crt_t cert;
812 unsigned char digest[MAXBUF];
813 size_t digest_size = sizeof(digest);
814 size_t name_size = sizeof(name);
815 ssl_cert* certinfo = new ssl_cert;
817 user->Extend("ssl_cert",certinfo);
819 /* This verification function uses the trusted CAs in the credentials
820 * structure. So you must have installed one or more CA certificates.
822 ret = gnutls_certificate_verify_peers2(session->sess, &status);
826 certinfo->data.insert(std::make_pair("error",std::string(gnutls_strerror(ret))));
830 if (status & GNUTLS_CERT_INVALID)
832 certinfo->data.insert(std::make_pair("invalid",ConvToStr(1)));
836 certinfo->data.insert(std::make_pair("invalid",ConvToStr(0)));
838 if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
840 certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(1)));
844 certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(0)));
846 if (status & GNUTLS_CERT_REVOKED)
848 certinfo->data.insert(std::make_pair("revoked",ConvToStr(1)));
852 certinfo->data.insert(std::make_pair("revoked",ConvToStr(0)));
854 if (status & GNUTLS_CERT_SIGNER_NOT_CA)
856 certinfo->data.insert(std::make_pair("trusted",ConvToStr(0)));
860 certinfo->data.insert(std::make_pair("trusted",ConvToStr(1)));
863 /* Up to here the process is the same for X.509 certificates and
864 * OpenPGP keys. From now on X.509 certificates are assumed. This can
865 * be easily extended to work with openpgp keys as well.
867 if (gnutls_certificate_type_get(session->sess) != GNUTLS_CRT_X509)
869 certinfo->data.insert(std::make_pair("error","No X509 keys sent"));
873 ret = gnutls_x509_crt_init(&cert);
876 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
881 cert_list = gnutls_certificate_get_peers(session->sess, &cert_list_size);
882 if (cert_list == NULL)
884 certinfo->data.insert(std::make_pair("error","No certificate was found"));
888 /* This is not a real world example, since we only check the first
889 * certificate in the given chain.
892 ret = gnutls_x509_crt_import(cert, &cert_list[0], GNUTLS_X509_FMT_DER);
895 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
899 gnutls_x509_crt_get_dn(cert, name, &name_size);
901 certinfo->data.insert(std::make_pair("dn",name));
903 gnutls_x509_crt_get_issuer_dn(cert, name, &name_size);
905 certinfo->data.insert(std::make_pair("issuer",name));
907 if ((ret = gnutls_x509_crt_get_fingerprint(cert, GNUTLS_DIG_MD5, digest, &digest_size)) < 0)
909 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
913 certinfo->data.insert(std::make_pair("fingerprint",irc::hex(digest, digest_size)));
916 /* Beware here we do not check for errors.
918 if ((gnutls_x509_crt_get_expiration_time(cert) < ServerInstance->Time()) || (gnutls_x509_crt_get_activation_time(cert) > ServerInstance->Time()))
920 certinfo->data.insert(std::make_pair("error","Not activated, or expired certificate"));
923 gnutls_x509_crt_deinit(cert);
928 void OnEvent(Event* ev)
930 GenericCapHandler(ev, "tls", "tls");
935 Module* server = ServerInstance->Modules->Find("m_spanningtree.so");
936 ServerInstance->Modules->SetPriority(this, I_OnPostConnect, PRIO_AFTER, &server);
940 MODULE_INIT(ModuleSSLGnuTLS)