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
63 gnutls_session_t sess;
71 class CommandStartTLS : public Command
75 /* Command 'dalinfo', takes no parameters and needs no special modes */
76 CommandStartTLS (InspIRCd* Instance, Module* mod) : Command(Instance,"STARTTLS", 0, 0, true), Caller(mod)
78 this->source = "m_ssl_gnutls.so";
81 CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
83 if (user->registered == REG_ALL)
85 ServerInstance->Users->QuitUser(user, "STARTTLS not allowed after client registration");
89 if (!user->GetIOHook())
91 user->WriteNumeric(670, "%s :STARTTLS successful, go ahead with TLS handshake", user->nick.c_str());
92 user->AddIOHook(Caller);
93 Caller->OnRawSocketAccept(user->GetFd(), user->GetIPString(), user->GetPort());
96 user->WriteNumeric(671, "%s :STARTTLS failure", user->nick.c_str());
103 class ModuleSSLGnuTLS : public Module
110 std::vector<std::string> listenports;
113 issl_session* sessions;
115 gnutls_certificate_credentials x509_cred;
116 gnutls_dh_params dh_params;
119 std::string certfile;
122 std::string sslports;
128 CommandStartTLS* starttls;
132 ModuleSSLGnuTLS(InspIRCd* Me)
135 ServerInstance->Modules->PublishInterface("BufferedSocketHook", this);
137 sessions = new issl_session[ServerInstance->SE->GetMaxFds()];
139 // Not rehashable...because I cba to reduce all the sizes of existing buffers.
140 inbufsize = ServerInstance->Config->NetBufferSize;
142 gnutls_global_init(); // This must be called once in the program
145 // Needs the flag as it ignores a plain /rehash
146 OnRehash(NULL,"ssl");
148 // Void return, guess we assume success
149 gnutls_certificate_set_dh_params(x509_cred, dh_params);
150 Implementation eventlist[] = { I_On005Numeric, I_OnRawSocketConnect, I_OnRawSocketAccept, I_OnRawSocketClose, I_OnRawSocketRead, I_OnRawSocketWrite, I_OnCleanup,
151 I_OnBufferFlushed, I_OnRequest, I_OnSyncUserMetaData, I_OnDecodeMetaData, I_OnUnloadModule, I_OnRehash, I_OnWhois, I_OnPostConnect, I_OnEvent, I_OnHookUserIO };
152 ServerInstance->Modules->Attach(eventlist, this, 17);
154 starttls = new CommandStartTLS(ServerInstance, this);
155 ServerInstance->AddCommand(starttls);
158 virtual void OnRehash(User* user, const std::string ¶m)
160 Conf = new ConfigReader(ServerInstance);
166 for(int index = 0; index < Conf->Enumerate("bind"); index++)
168 // For each <bind> tag
169 std::string x = Conf->ReadValue("bind", "type", index);
170 if(((x.empty()) || (x == "clients")) && (Conf->ReadValue("bind", "ssl", index) == "gnutls"))
172 // Get the port we're meant to be listening on with SSL
173 std::string port = Conf->ReadValue("bind", "port", index);
174 std::string addr = Conf->ReadValue("bind", "address", index);
176 irc::portparser portrange(port, false);
178 while ((portno = portrange.GetToken()))
183 listenports.push_back(addr + ":" + ConvToStr(portno));
185 for (size_t i = 0; i < ServerInstance->Config->ports.size(); i++)
186 if ((ServerInstance->Config->ports[i]->GetPort() == portno) && (ServerInstance->Config->ports[i]->GetIP() == addr))
187 ServerInstance->Config->ports[i]->SetDescription("ssl");
188 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Enabling SSL for port %ld", portno);
190 sslports.append((addr.empty() ? "*" : addr)).append(":").append(ConvToStr(portno)).append(";");
192 catch (ModuleException &e)
194 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());
200 if (!sslports.empty())
201 sslports.erase(sslports.end() - 1);
209 std::string confdir(ServerInstance->ConfigFileName);
210 // +1 so we the path ends with a /
211 confdir = confdir.substr(0, confdir.find_last_of('/') + 1);
213 cafile = Conf->ReadValue("gnutls", "cafile", 0);
214 crlfile = Conf->ReadValue("gnutls", "crlfile", 0);
215 certfile = Conf->ReadValue("gnutls", "certfile", 0);
216 keyfile = Conf->ReadValue("gnutls", "keyfile", 0);
217 dh_bits = Conf->ReadInteger("gnutls", "dhbits", 0, false);
219 // Set all the default values needed.
226 if (certfile.empty())
227 certfile = "cert.pem";
232 if((dh_bits != 768) && (dh_bits != 1024) && (dh_bits != 2048) && (dh_bits != 3072) && (dh_bits != 4096))
235 // Prepend relative paths with the path to the config directory.
236 if ((cafile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(cafile)))
237 cafile = confdir + cafile;
239 if ((crlfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(crlfile)))
240 crlfile = confdir + crlfile;
242 if ((certfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(certfile)))
243 certfile = confdir + certfile;
245 if ((keyfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(keyfile)))
246 keyfile = confdir + keyfile;
252 // Deallocate the old credentials
253 gnutls_dh_params_deinit(dh_params);
254 gnutls_certificate_free_credentials(x509_cred);
259 if((ret = gnutls_certificate_allocate_credentials(&x509_cred)) < 0)
260 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to allocate certificate credentials: %s", gnutls_strerror(ret));
262 if((ret = gnutls_dh_params_init(&dh_params)) < 0)
263 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to initialise DH parameters: %s", gnutls_strerror(ret));
265 if((ret =gnutls_certificate_set_x509_trust_file(x509_cred, cafile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
266 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));
268 if((ret = gnutls_certificate_set_x509_crl_file (x509_cred, crlfile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
269 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));
271 if((ret = gnutls_certificate_set_x509_key_file (x509_cred, certfile.c_str(), keyfile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
273 // If this fails, no SSL port will work. At all. So, do the smart thing - throw a ModuleException
274 throw ModuleException("Unable to load GnuTLS server certificate: " + std::string(gnutls_strerror(ret)));
277 // This may be on a large (once a day or week) timer eventually.
283 void GenerateDHParams()
285 // Generate Diffie Hellman parameters - for use with DHE
286 // kx algorithms. These should be discarded and regenerated
287 // once a day, once a week or once a month. Depending on the
288 // security requirements.
292 if((ret = gnutls_dh_params_generate2(dh_params, dh_bits)) < 0)
293 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to generate DH parameters (%d bits): %s", dh_bits, gnutls_strerror(ret));
296 virtual ~ModuleSSLGnuTLS()
298 gnutls_dh_params_deinit(dh_params);
299 gnutls_certificate_free_credentials(x509_cred);
300 gnutls_global_deinit();
301 ServerInstance->Modules->UnpublishInterface("BufferedSocketHook", this);
305 virtual void OnCleanup(int target_type, void* item)
307 if(target_type == TYPE_USER)
309 User* user = (User*)item;
311 if (user->GetIOHook() == this)
313 // User is using SSL, they're a local user, and they're using one of *our* SSL ports.
314 // Potentially there could be multiple SSL modules loaded at once on different ports.
315 ServerInstance->Users->QuitUser(user, "SSL module unloading");
318 if (user->GetExt("ssl_cert", dummy))
321 user->GetExt("ssl_cert", tofree);
323 user->Shrink("ssl_cert");
328 virtual void OnUnloadModule(Module* mod, const std::string &name)
332 for(unsigned int i = 0; i < listenports.size(); i++)
334 for (size_t j = 0; j < ServerInstance->Config->ports.size(); j++)
335 if (listenports[i] == (ServerInstance->Config->ports[j]->GetIP()+":"+ConvToStr(ServerInstance->Config->ports[j]->GetPort())))
336 ServerInstance->Config->ports[j]->SetDescription("plaintext");
341 virtual Version GetVersion()
343 return Version("$Id$", VF_VENDOR, API_VERSION);
347 virtual void On005Numeric(std::string &output)
349 output.append(" SSL=" + sslports);
352 virtual void OnHookUserIO(User* user, const std::string &targetip)
354 if (!user->GetIOHook() && isin(targetip,user->GetPort(),listenports))
356 /* Hook the user with our module */
357 user->AddIOHook(this);
361 virtual const char* OnRequest(Request* request)
363 ISHRequest* ISR = (ISHRequest*)request;
364 if (strcmp("IS_NAME", request->GetId()) == 0)
368 else if (strcmp("IS_HOOK", request->GetId()) == 0)
370 const char* ret = "OK";
373 ret = ISR->Sock->AddIOHook((Module*)this) ? "OK" : NULL;
375 catch (ModuleException &e)
381 else if (strcmp("IS_UNHOOK", request->GetId()) == 0)
383 return ISR->Sock->DelIOHook() ? "OK" : NULL;
385 else if (strcmp("IS_HSDONE", request->GetId()) == 0)
387 if (ISR->Sock->GetFd() < 0)
390 issl_session* session = &sessions[ISR->Sock->GetFd()];
391 return (session->status == ISSL_HANDSHAKING_READ || session->status == ISSL_HANDSHAKING_WRITE) ? NULL : "OK";
393 else if (strcmp("IS_ATTACH", request->GetId()) == 0)
395 if (ISR->Sock->GetFd() > -1)
397 issl_session* session = &sessions[ISR->Sock->GetFd()];
400 if ((Extensible*)ServerInstance->FindDescriptor(ISR->Sock->GetFd()) == (Extensible*)(ISR->Sock))
402 VerifyCertificate(session, (BufferedSocket*)ISR->Sock);
412 virtual void OnRawSocketAccept(int fd, const std::string &ip, int localport)
414 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
415 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
418 issl_session* session = &sessions[fd];
420 /* For STARTTLS: Don't try and init a session on a socket that already has a session */
425 session->inbuf = new char[inbufsize];
426 session->inbufoffset = 0;
428 gnutls_init(&session->sess, GNUTLS_SERVER);
430 gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
431 gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
432 gnutls_dh_set_prime_bits(session->sess, dh_bits);
434 /* This is an experimental change to avoid a warning on 64bit systems about casting between integer and pointer of different sizes
435 * This needs testing, but it's easy enough to rollback if need be
436 * Old: gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
437 * New: gnutls_transport_set_ptr(session->sess, &fd); // Give gnutls the fd for the socket.
439 * With testing this seems to...not work :/
442 gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
444 gnutls_certificate_server_set_request(session->sess, GNUTLS_CERT_REQUEST); // Request client certificate if any.
449 virtual void OnRawSocketConnect(int fd)
451 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
452 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
455 issl_session* session = &sessions[fd];
458 session->inbuf = new char[inbufsize];
459 session->inbufoffset = 0;
461 gnutls_init(&session->sess, GNUTLS_CLIENT);
463 gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
464 gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
465 gnutls_dh_set_prime_bits(session->sess, dh_bits);
466 gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
471 virtual void OnRawSocketClose(int fd)
473 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
474 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds()))
477 CloseSession(&sessions[fd]);
479 EventHandler* user = ServerInstance->SE->GetRef(fd);
481 if ((user) && (user->GetExt("ssl_cert", dummy)))
484 user->GetExt("ssl_cert", tofree);
486 user->Shrink("ssl_cert");
490 virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
492 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
493 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
496 issl_session* session = &sessions[fd];
501 CloseSession(session);
505 if (session->status == ISSL_HANDSHAKING_READ)
507 // The handshake isn't finished, try to finish it.
509 if(!Handshake(session))
511 // Couldn't resume handshake.
515 else if (session->status == ISSL_HANDSHAKING_WRITE)
518 MakePollWrite(session);
522 // If we resumed the handshake then session->status will be ISSL_HANDSHAKEN.
524 if (session->status == ISSL_HANDSHAKEN)
526 // Is this right? Not sure if the unencrypted data is garaunteed to be the same length.
527 // Read into the inbuffer, offset from the beginning by the amount of data we have that insp hasn't taken yet.
528 int ret = gnutls_record_recv(session->sess, session->inbuf + session->inbufoffset, inbufsize - session->inbufoffset);
532 // Client closed connection.
534 CloseSession(session);
539 if (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
547 CloseSession(session);
552 // Read successfully 'ret' bytes into inbuf + inbufoffset
553 // There are 'ret' + 'inbufoffset' bytes of data in 'inbuf'
554 // 'buffer' is 'count' long
556 unsigned int length = ret + session->inbufoffset;
560 memcpy(buffer, session->inbuf, count);
561 // Move the stuff left in inbuf to the beginning of it
562 memmove(session->inbuf, session->inbuf + count, (length - count));
563 // Now we need to set session->inbufoffset to the amount of data still waiting to be handed to insp.
564 session->inbufoffset = length - count;
565 // Insp uses readresult as the count of how much data there is in buffer, so:
570 // There's not as much in the inbuf as there is space in the buffer, so just copy the whole thing.
571 memcpy(buffer, session->inbuf, length);
572 // Zero the offset, as there's nothing there..
573 session->inbufoffset = 0;
579 else if(session->status == ISSL_CLOSING)
585 virtual int OnRawSocketWrite(int fd, const char* buffer, int count)
587 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
588 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
591 issl_session* session = &sessions[fd];
592 const char* sendbuffer = buffer;
596 CloseSession(session);
600 session->outbuf.append(sendbuffer, count);
601 sendbuffer = session->outbuf.c_str();
602 count = session->outbuf.size();
604 if (session->status == ISSL_HANDSHAKING_WRITE)
606 // The handshake isn't finished, try to finish it.
614 if (session->status == ISSL_HANDSHAKEN)
616 ret = gnutls_record_send(session->sess, sendbuffer, count);
620 CloseSession(session);
624 if(ret != GNUTLS_E_AGAIN && ret != GNUTLS_E_INTERRUPTED)
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) || ((IS_LOCAL(dest) && (dest->GetIOHook() == this))))
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 CloseSession(session);
715 session->status = ISSL_CLOSING;
722 // Handshake complete.
723 // This will do for setting the ssl flag...it could be done earlier if it's needed. But this seems neater.
724 User* extendme = ServerInstance->FindDescriptor(session->fd);
727 if (!extendme->GetExt("ssl", dummy))
728 extendme->Extend("ssl", "ON");
731 // Change the seesion state
732 session->status = ISSL_HANDSHAKEN;
734 // Finish writing, if any left
735 MakePollWrite(session);
741 virtual void OnPostConnect(User* user)
743 // This occurs AFTER OnUserConnect so we can be sure the
744 // protocol module has propagated the NICK message.
745 if ((user->GetExt("ssl", dummy)) && (IS_LOCAL(user)))
747 // Tell whatever protocol module we're using that we need to inform other servers of this metadata NOW.
748 ServerInstance->PI->SendMetaData(user, TYPE_USER, "SSL", "on");
750 VerifyCertificate(&sessions[user->GetFd()],user);
751 if (sessions[user->GetFd()].sess)
753 std::string cipher = gnutls_kx_get_name(gnutls_kx_get(sessions[user->GetFd()].sess));
754 cipher.append("-").append(gnutls_cipher_get_name(gnutls_cipher_get(sessions[user->GetFd()].sess))).append("-");
755 cipher.append(gnutls_mac_get_name(gnutls_mac_get(sessions[user->GetFd()].sess)));
756 user->WriteServ("NOTICE %s :*** You are connected using SSL cipher \"%s\"", user->nick.c_str(), cipher.c_str());
761 void MakePollWrite(issl_session* session)
763 //OnRawSocketWrite(session->fd, NULL, 0);
764 EventHandler* eh = ServerInstance->FindDescriptor(session->fd);
766 ServerInstance->SE->WantWrite(eh);
769 virtual void OnBufferFlushed(User* user)
771 if (user->GetExt("ssl"))
773 issl_session* session = &sessions[user->GetFd()];
774 if (session && session->outbuf.size())
775 OnRawSocketWrite(user->GetFd(), NULL, 0);
779 void CloseSession(issl_session* session)
783 gnutls_bye(session->sess, GNUTLS_SHUT_WR);
784 gnutls_deinit(session->sess);
789 delete[] session->inbuf;
792 session->outbuf.clear();
793 session->inbuf = NULL;
794 session->sess = NULL;
795 session->status = ISSL_NONE;
798 void VerifyCertificate(issl_session* session, Extensible* user)
800 if (!session->sess || !user)
804 const gnutls_datum_t* cert_list;
806 unsigned int cert_list_size;
807 gnutls_x509_crt_t cert;
809 unsigned char digest[MAXBUF];
810 size_t digest_size = sizeof(digest);
811 size_t name_size = sizeof(name);
812 ssl_cert* certinfo = new ssl_cert;
814 user->Extend("ssl_cert",certinfo);
816 /* This verification function uses the trusted CAs in the credentials
817 * structure. So you must have installed one or more CA certificates.
819 ret = gnutls_certificate_verify_peers2(session->sess, &status);
823 certinfo->data.insert(std::make_pair("error",std::string(gnutls_strerror(ret))));
827 if (status & GNUTLS_CERT_INVALID)
829 certinfo->data.insert(std::make_pair("invalid",ConvToStr(1)));
833 certinfo->data.insert(std::make_pair("invalid",ConvToStr(0)));
835 if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
837 certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(1)));
841 certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(0)));
843 if (status & GNUTLS_CERT_REVOKED)
845 certinfo->data.insert(std::make_pair("revoked",ConvToStr(1)));
849 certinfo->data.insert(std::make_pair("revoked",ConvToStr(0)));
851 if (status & GNUTLS_CERT_SIGNER_NOT_CA)
853 certinfo->data.insert(std::make_pair("trusted",ConvToStr(0)));
857 certinfo->data.insert(std::make_pair("trusted",ConvToStr(1)));
860 /* Up to here the process is the same for X.509 certificates and
861 * OpenPGP keys. From now on X.509 certificates are assumed. This can
862 * be easily extended to work with openpgp keys as well.
864 if (gnutls_certificate_type_get(session->sess) != GNUTLS_CRT_X509)
866 certinfo->data.insert(std::make_pair("error","No X509 keys sent"));
870 ret = gnutls_x509_crt_init(&cert);
873 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
878 cert_list = gnutls_certificate_get_peers(session->sess, &cert_list_size);
879 if (cert_list == NULL)
881 certinfo->data.insert(std::make_pair("error","No certificate was found"));
885 /* This is not a real world example, since we only check the first
886 * certificate in the given chain.
889 ret = gnutls_x509_crt_import(cert, &cert_list[0], GNUTLS_X509_FMT_DER);
892 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
896 gnutls_x509_crt_get_dn(cert, name, &name_size);
898 certinfo->data.insert(std::make_pair("dn",name));
900 gnutls_x509_crt_get_issuer_dn(cert, name, &name_size);
902 certinfo->data.insert(std::make_pair("issuer",name));
904 if ((ret = gnutls_x509_crt_get_fingerprint(cert, GNUTLS_DIG_MD5, digest, &digest_size)) < 0)
906 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
910 certinfo->data.insert(std::make_pair("fingerprint",irc::hex(digest, digest_size)));
913 /* Beware here we do not check for errors.
915 if ((gnutls_x509_crt_get_expiration_time(cert) < time(0)) || (gnutls_x509_crt_get_activation_time(cert) > time(0)))
917 certinfo->data.insert(std::make_pair("error","Not activated, or expired certificate"));
920 gnutls_x509_crt_deinit(cert);
925 void OnEvent(Event* ev)
927 GenericCapHandler(ev, "tls", "tls");
932 Module* server = ServerInstance->Modules->Find("m_spanningtree.so");
933 ServerInstance->Modules->SetPriority(this, I_OnPostConnect, PRIO_AFTER, &server);
937 MODULE_INIT(ModuleSSLGnuTLS)