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.
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;
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];
393 /* For STARTTLS: Don't try and init a session on a socket that already has a session */
398 session->inbuf = new char[inbufsize];
399 session->inbufoffset = 0;
401 gnutls_init(&session->sess, GNUTLS_SERVER);
403 gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
404 gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
405 gnutls_dh_set_prime_bits(session->sess, dh_bits);
407 /* This is an experimental change to avoid a warning on 64bit systems about casting between integer and pointer of different sizes
408 * This needs testing, but it's easy enough to rollback if need be
409 * Old: gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
410 * New: gnutls_transport_set_ptr(session->sess, &fd); // Give gnutls the fd for the socket.
412 * With testing this seems to...not work :/
415 gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
417 gnutls_certificate_server_set_request(session->sess, GNUTLS_CERT_REQUEST); // Request client certificate if any.
422 virtual void OnRawSocketConnect(int fd)
424 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
425 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
428 issl_session* session = &sessions[fd];
431 session->inbuf = new char[inbufsize];
432 session->inbufoffset = 0;
434 gnutls_init(&session->sess, GNUTLS_CLIENT);
436 gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
437 gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
438 gnutls_dh_set_prime_bits(session->sess, dh_bits);
439 gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
444 virtual void OnRawSocketClose(int fd)
446 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
447 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds()))
450 CloseSession(&sessions[fd]);
452 EventHandler* user = ServerInstance->SE->GetRef(fd);
454 if ((user) && (user->GetExt("ssl_cert", dummy)))
457 user->GetExt("ssl_cert", tofree);
459 user->Shrink("ssl_cert");
463 virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
465 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
466 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
469 issl_session* session = &sessions[fd];
474 CloseSession(session);
478 if (session->status == ISSL_HANDSHAKING_READ)
480 // The handshake isn't finished, try to finish it.
482 if(!Handshake(session))
484 // Couldn't resume handshake.
488 else if (session->status == ISSL_HANDSHAKING_WRITE)
491 MakePollWrite(session);
495 // If we resumed the handshake then session->status will be ISSL_HANDSHAKEN.
497 if (session->status == ISSL_HANDSHAKEN)
499 // Is this right? Not sure if the unencrypted data is garaunteed to be the same length.
500 // Read into the inbuffer, offset from the beginning by the amount of data we have that insp hasn't taken yet.
501 int ret = gnutls_record_recv(session->sess, session->inbuf + session->inbufoffset, inbufsize - session->inbufoffset);
505 // Client closed connection.
507 CloseSession(session);
512 if (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
520 CloseSession(session);
525 // Read successfully 'ret' bytes into inbuf + inbufoffset
526 // There are 'ret' + 'inbufoffset' bytes of data in 'inbuf'
527 // 'buffer' is 'count' long
529 unsigned int length = ret + session->inbufoffset;
533 memcpy(buffer, session->inbuf, count);
534 // Move the stuff left in inbuf to the beginning of it
535 memcpy(session->inbuf, session->inbuf + count, (length - count));
536 // Now we need to set session->inbufoffset to the amount of data still waiting to be handed to insp.
537 session->inbufoffset = length - count;
538 // Insp uses readresult as the count of how much data there is in buffer, so:
543 // There's not as much in the inbuf as there is space in the buffer, so just copy the whole thing.
544 memcpy(buffer, session->inbuf, length);
545 // Zero the offset, as there's nothing there..
546 session->inbufoffset = 0;
552 else if(session->status == ISSL_CLOSING)
558 virtual int OnRawSocketWrite(int fd, const char* buffer, int count)
560 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
561 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
564 issl_session* session = &sessions[fd];
565 const char* sendbuffer = buffer;
569 CloseSession(session);
573 session->outbuf.append(sendbuffer, count);
574 sendbuffer = session->outbuf.c_str();
575 count = session->outbuf.size();
577 if (session->status == ISSL_HANDSHAKING_WRITE)
579 // The handshake isn't finished, try to finish it.
587 if (session->status == ISSL_HANDSHAKEN)
589 ret = gnutls_record_send(session->sess, sendbuffer, count);
593 CloseSession(session);
597 if(ret != GNUTLS_E_AGAIN && ret != GNUTLS_E_INTERRUPTED)
599 CloseSession(session);
608 session->outbuf = session->outbuf.substr(ret);
612 MakePollWrite(session);
614 /* Who's smart idea was it to return 1 when we havent written anything?
615 * This fucks the buffer up in BufferedSocket :p
617 return ret < 1 ? 0 : ret;
620 // :kenny.chatspike.net 320 Om Epy|AFK :is a Secure Connection
621 virtual void OnWhois(User* source, User* dest)
626 // Bugfix, only send this numeric for *our* SSL users
627 if (dest->GetExt("ssl", dummy) || ((IS_LOCAL(dest) && (dest->io == this))))
629 ServerInstance->SendWhoisLine(source, dest, 320, "%s %s :is using a secure connection", source->nick.c_str(), dest->nick.c_str());
633 virtual void OnSyncUserMetaData(User* user, Module* proto, void* opaque, const std::string &extname, bool displayable)
635 // check if the linking module wants to know about OUR metadata
638 // check if this user has an swhois field to send
639 if(user->GetExt(extname, dummy))
641 // call this function in the linking module, let it format the data how it
642 // sees fit, and send it on its way. We dont need or want to know how.
643 proto->ProtoSendMetaData(opaque, TYPE_USER, user, extname, displayable ? "Enabled" : "ON");
648 virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
650 // check if its our metadata key, and its associated with a user
651 if ((target_type == TYPE_USER) && (extname == "ssl"))
653 User* dest = (User*)target;
654 // if they dont already have an ssl flag, accept the remote server's
655 if (!dest->GetExt(extname, dummy))
657 dest->Extend(extname, "ON");
662 bool Handshake(issl_session* session)
664 int ret = gnutls_handshake(session->sess);
668 if(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
670 // Handshake needs resuming later, read() or write() would have blocked.
672 if(gnutls_record_get_direction(session->sess) == 0)
674 // gnutls_handshake() wants to read() again.
675 session->status = ISSL_HANDSHAKING_READ;
679 // gnutls_handshake() wants to write() again.
680 session->status = ISSL_HANDSHAKING_WRITE;
681 MakePollWrite(session);
687 CloseSession(session);
688 session->status = ISSL_CLOSING;
695 // Handshake complete.
696 // This will do for setting the ssl flag...it could be done earlier if it's needed. But this seems neater.
697 User* extendme = ServerInstance->FindDescriptor(session->fd);
700 if (!extendme->GetExt("ssl", dummy))
701 extendme->Extend("ssl", "ON");
704 // Change the seesion state
705 session->status = ISSL_HANDSHAKEN;
707 // Finish writing, if any left
708 MakePollWrite(session);
714 virtual void OnPostConnect(User* user)
716 // This occurs AFTER OnUserConnect so we can be sure the
717 // protocol module has propagated the NICK message.
718 if ((user->GetExt("ssl", dummy)) && (IS_LOCAL(user)))
720 // Tell whatever protocol module we're using that we need to inform other servers of this metadata NOW.
721 ServerInstance->PI->SendMetaData(user, TYPE_USER, "SSL", "on");
723 VerifyCertificate(&sessions[user->GetFd()],user);
724 if (sessions[user->GetFd()].sess)
726 std::string cipher = gnutls_kx_get_name(gnutls_kx_get(sessions[user->GetFd()].sess));
727 cipher.append("-").append(gnutls_cipher_get_name(gnutls_cipher_get(sessions[user->GetFd()].sess))).append("-");
728 cipher.append(gnutls_mac_get_name(gnutls_mac_get(sessions[user->GetFd()].sess)));
729 user->WriteServ("NOTICE %s :*** You are connected using SSL cipher \"%s\"", user->nick.c_str(), cipher.c_str());
734 void MakePollWrite(issl_session* session)
736 //OnRawSocketWrite(session->fd, NULL, 0);
737 EventHandler* eh = ServerInstance->FindDescriptor(session->fd);
739 ServerInstance->SE->WantWrite(eh);
742 virtual void OnBufferFlushed(User* user)
744 if (user->GetExt("ssl"))
746 issl_session* session = &sessions[user->GetFd()];
747 if (session && session->outbuf.size())
748 OnRawSocketWrite(user->GetFd(), NULL, 0);
752 void CloseSession(issl_session* session)
756 gnutls_bye(session->sess, GNUTLS_SHUT_WR);
757 gnutls_deinit(session->sess);
762 delete[] session->inbuf;
765 session->outbuf.clear();
766 session->inbuf = NULL;
767 session->sess = NULL;
768 session->status = ISSL_NONE;
771 void VerifyCertificate(issl_session* session, Extensible* user)
773 if (!session->sess || !user)
777 const gnutls_datum_t* cert_list;
779 unsigned int cert_list_size;
780 gnutls_x509_crt_t cert;
782 unsigned char digest[MAXBUF];
783 size_t digest_size = sizeof(digest);
784 size_t name_size = sizeof(name);
785 ssl_cert* certinfo = new ssl_cert;
787 user->Extend("ssl_cert",certinfo);
789 /* This verification function uses the trusted CAs in the credentials
790 * structure. So you must have installed one or more CA certificates.
792 ret = gnutls_certificate_verify_peers2(session->sess, &status);
796 certinfo->data.insert(std::make_pair("error",std::string(gnutls_strerror(ret))));
800 if (status & GNUTLS_CERT_INVALID)
802 certinfo->data.insert(std::make_pair("invalid",ConvToStr(1)));
806 certinfo->data.insert(std::make_pair("invalid",ConvToStr(0)));
808 if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
810 certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(1)));
814 certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(0)));
816 if (status & GNUTLS_CERT_REVOKED)
818 certinfo->data.insert(std::make_pair("revoked",ConvToStr(1)));
822 certinfo->data.insert(std::make_pair("revoked",ConvToStr(0)));
824 if (status & GNUTLS_CERT_SIGNER_NOT_CA)
826 certinfo->data.insert(std::make_pair("trusted",ConvToStr(0)));
830 certinfo->data.insert(std::make_pair("trusted",ConvToStr(1)));
833 /* Up to here the process is the same for X.509 certificates and
834 * OpenPGP keys. From now on X.509 certificates are assumed. This can
835 * be easily extended to work with openpgp keys as well.
837 if (gnutls_certificate_type_get(session->sess) != GNUTLS_CRT_X509)
839 certinfo->data.insert(std::make_pair("error","No X509 keys sent"));
843 ret = gnutls_x509_crt_init(&cert);
846 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
851 cert_list = gnutls_certificate_get_peers(session->sess, &cert_list_size);
852 if (cert_list == NULL)
854 certinfo->data.insert(std::make_pair("error","No certificate was found"));
858 /* This is not a real world example, since we only check the first
859 * certificate in the given chain.
862 ret = gnutls_x509_crt_import(cert, &cert_list[0], GNUTLS_X509_FMT_DER);
865 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
869 gnutls_x509_crt_get_dn(cert, name, &name_size);
871 certinfo->data.insert(std::make_pair("dn",name));
873 gnutls_x509_crt_get_issuer_dn(cert, name, &name_size);
875 certinfo->data.insert(std::make_pair("issuer",name));
877 if ((ret = gnutls_x509_crt_get_fingerprint(cert, GNUTLS_DIG_MD5, digest, &digest_size)) < 0)
879 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
883 certinfo->data.insert(std::make_pair("fingerprint",irc::hex(digest, digest_size)));
886 /* Beware here we do not check for errors.
888 if ((gnutls_x509_crt_get_expiration_time(cert) < time(0)) || (gnutls_x509_crt_get_activation_time(cert) > time(0)))
890 certinfo->data.insert(std::make_pair("error","Not activated, or expired certificate"));
893 gnutls_x509_crt_deinit(cert);
898 void OnEvent(Event* ev)
900 GenericCapHandler(ev, "tls", "tls");
905 Module* server = ServerInstance->Modules->Find("m_spanningtree.so");
906 ServerInstance->Modules->SetPriority(this, I_OnPostConnect, PRIO_AFTER, &server);
910 MODULE_INIT(ModuleSSLGnuTLS)