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 * ---------------------------------------------------
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 /* Command 'dalinfo', takes no parameters and needs no special modes */
67 CommandStartTLS (InspIRCd* Instance, Module* mod) : Command(Instance,"STARTTLS", 0, 0, true), Caller(mod)
69 this->source = "m_ssl_gnutls.so";
72 CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
74 if (user->registered == REG_ALL)
76 ServerInstance->Users->QuitUser(user, "STARTTLS not allowed after client registration");
80 if (!user->GetIOHook())
82 user->WriteNumeric(670, "%s :STARTTLS successful, go ahead with TLS handshake", user->nick.c_str());
83 user->AddIOHook(Caller);
84 Caller->OnRawSocketAccept(user->GetFd(), user->GetIPString(), user->GetPort());
87 user->WriteNumeric(671, "%s :STARTTLS failure", user->nick.c_str());
94 class ModuleSSLGnuTLS : public Module
101 std::vector<std::string> listenports;
104 issl_session* sessions;
106 gnutls_certificate_credentials x509_cred;
107 gnutls_dh_params dh_params;
110 std::string certfile;
113 std::string sslports;
119 CommandStartTLS* starttls;
123 ModuleSSLGnuTLS(InspIRCd* Me)
126 ServerInstance->Modules->PublishInterface("BufferedSocketHook", this);
128 sessions = new issl_session[ServerInstance->SE->GetMaxFds()];
130 // Not rehashable...because I cba to reduce all the sizes of existing buffers.
131 inbufsize = ServerInstance->Config->NetBufferSize;
133 gnutls_global_init(); // This must be called once in the program
136 // Needs the flag as it ignores a plain /rehash
137 OnRehash(NULL,"ssl");
139 // Void return, guess we assume success
140 gnutls_certificate_set_dh_params(x509_cred, dh_params);
141 Implementation eventlist[] = { I_On005Numeric, I_OnRawSocketConnect, I_OnRawSocketAccept, I_OnRawSocketClose, I_OnRawSocketRead, I_OnRawSocketWrite, I_OnCleanup,
142 I_OnBufferFlushed, I_OnRequest, I_OnSyncUserMetaData, I_OnDecodeMetaData, I_OnUnloadModule, I_OnRehash, I_OnWhois, I_OnPostConnect, I_OnEvent, I_OnHookUserIO };
143 ServerInstance->Modules->Attach(eventlist, this, 17);
145 starttls = new CommandStartTLS(ServerInstance, this);
146 ServerInstance->AddCommand(starttls);
149 virtual void OnRehash(User* user, const std::string ¶m)
151 Conf = new ConfigReader(ServerInstance);
157 for(int index = 0; index < Conf->Enumerate("bind"); index++)
159 // For each <bind> tag
160 std::string x = Conf->ReadValue("bind", "type", index);
161 if(((x.empty()) || (x == "clients")) && (Conf->ReadValue("bind", "ssl", index) == "gnutls"))
163 // Get the port we're meant to be listening on with SSL
164 std::string port = Conf->ReadValue("bind", "port", index);
165 std::string addr = Conf->ReadValue("bind", "address", index);
167 irc::portparser portrange(port, false);
169 while ((portno = portrange.GetToken()))
174 listenports.push_back(addr + ":" + ConvToStr(portno));
176 for (size_t i = 0; i < ServerInstance->Config->ports.size(); i++)
177 if ((ServerInstance->Config->ports[i]->GetPort() == portno) && (ServerInstance->Config->ports[i]->GetIP() == addr))
178 ServerInstance->Config->ports[i]->SetDescription("ssl");
179 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Enabling SSL for port %ld", portno);
181 sslports.append((addr.empty() ? "*" : addr)).append(":").append(ConvToStr(portno)).append(";");
183 catch (ModuleException &e)
185 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());
191 if (!sslports.empty())
192 sslports.erase(sslports.end() - 1);
200 std::string confdir(ServerInstance->ConfigFileName);
201 // +1 so we the path ends with a /
202 confdir = confdir.substr(0, confdir.find_last_of('/') + 1);
204 cafile = Conf->ReadValue("gnutls", "cafile", 0);
205 crlfile = Conf->ReadValue("gnutls", "crlfile", 0);
206 certfile = Conf->ReadValue("gnutls", "certfile", 0);
207 keyfile = Conf->ReadValue("gnutls", "keyfile", 0);
208 dh_bits = Conf->ReadInteger("gnutls", "dhbits", 0, false);
210 // Set all the default values needed.
217 if (certfile.empty())
218 certfile = "cert.pem";
223 if((dh_bits != 768) && (dh_bits != 1024) && (dh_bits != 2048) && (dh_bits != 3072) && (dh_bits != 4096))
226 // Prepend relative paths with the path to the config directory.
227 if ((cafile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(cafile)))
228 cafile = confdir + cafile;
230 if ((crlfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(crlfile)))
231 crlfile = confdir + crlfile;
233 if ((certfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(certfile)))
234 certfile = confdir + certfile;
236 if ((keyfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(keyfile)))
237 keyfile = confdir + keyfile;
243 // Deallocate the old credentials
244 gnutls_dh_params_deinit(dh_params);
245 gnutls_certificate_free_credentials(x509_cred);
250 if((ret = gnutls_certificate_allocate_credentials(&x509_cred)) < 0)
251 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to allocate certificate credentials: %s", gnutls_strerror(ret));
253 if((ret = gnutls_dh_params_init(&dh_params)) < 0)
254 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to initialise DH parameters: %s", gnutls_strerror(ret));
256 if((ret =gnutls_certificate_set_x509_trust_file(x509_cred, cafile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
257 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));
259 if((ret = gnutls_certificate_set_x509_crl_file (x509_cred, crlfile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
260 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));
262 if((ret = gnutls_certificate_set_x509_key_file (x509_cred, certfile.c_str(), keyfile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
264 // If this fails, no SSL port will work. At all. So, do the smart thing - throw a ModuleException
265 throw ModuleException("Unable to load GnuTLS server certificate (" + std::string(certfile) + ", key: " + keyfile + "): " + std::string(gnutls_strerror(ret)));
268 // This may be on a large (once a day or week) timer eventually.
274 void GenerateDHParams()
276 // Generate Diffie Hellman parameters - for use with DHE
277 // kx algorithms. These should be discarded and regenerated
278 // once a day, once a week or once a month. Depending on the
279 // security requirements.
283 if((ret = gnutls_dh_params_generate2(dh_params, dh_bits)) < 0)
284 ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to generate DH parameters (%d bits): %s", dh_bits, gnutls_strerror(ret));
287 virtual ~ModuleSSLGnuTLS()
289 gnutls_dh_params_deinit(dh_params);
290 gnutls_certificate_free_credentials(x509_cred);
291 gnutls_global_deinit();
292 ServerInstance->Modules->UnpublishInterface("BufferedSocketHook", this);
296 virtual void OnCleanup(int target_type, void* item)
298 if(target_type == TYPE_USER)
300 User* user = (User*)item;
302 if (user->GetIOHook() == this)
304 // User is using SSL, they're a local user, and they're using one of *our* SSL ports.
305 // Potentially there could be multiple SSL modules loaded at once on different ports.
306 ServerInstance->Users->QuitUser(user, "SSL module unloading");
309 if (user->GetExt("ssl_cert", dummy))
312 user->GetExt("ssl_cert", tofree);
314 user->Shrink("ssl_cert");
319 virtual void OnUnloadModule(Module* mod, const std::string &name)
323 for(unsigned int i = 0; i < listenports.size(); i++)
325 for (size_t j = 0; j < ServerInstance->Config->ports.size(); j++)
326 if (listenports[i] == (ServerInstance->Config->ports[j]->GetIP()+":"+ConvToStr(ServerInstance->Config->ports[j]->GetPort())))
327 ServerInstance->Config->ports[j]->SetDescription("plaintext");
332 virtual Version GetVersion()
334 return Version("$Id$", VF_VENDOR, API_VERSION);
338 virtual void On005Numeric(std::string &output)
340 output.append(" SSL=" + sslports);
343 virtual void OnHookUserIO(User* user, const std::string &targetip)
345 if (!user->GetIOHook() && isin(targetip,user->GetPort(),listenports))
347 /* Hook the user with our module */
348 user->AddIOHook(this);
352 virtual const char* OnRequest(Request* request)
354 ISHRequest* ISR = (ISHRequest*)request;
355 if (strcmp("IS_NAME", request->GetId()) == 0)
359 else if (strcmp("IS_HOOK", request->GetId()) == 0)
361 const char* ret = "OK";
364 ret = ISR->Sock->AddIOHook((Module*)this) ? "OK" : NULL;
366 catch (ModuleException &e)
372 else if (strcmp("IS_UNHOOK", request->GetId()) == 0)
374 return ISR->Sock->DelIOHook() ? "OK" : NULL;
376 else if (strcmp("IS_HSDONE", request->GetId()) == 0)
378 if (ISR->Sock->GetFd() < 0)
381 issl_session* session = &sessions[ISR->Sock->GetFd()];
382 return (session->status == ISSL_HANDSHAKING_READ || session->status == ISSL_HANDSHAKING_WRITE) ? NULL : "OK";
384 else if (strcmp("IS_ATTACH", request->GetId()) == 0)
386 if (ISR->Sock->GetFd() > -1)
388 issl_session* session = &sessions[ISR->Sock->GetFd()];
391 if ((Extensible*)ServerInstance->FindDescriptor(ISR->Sock->GetFd()) == (Extensible*)(ISR->Sock))
393 VerifyCertificate(session, (BufferedSocket*)ISR->Sock);
403 virtual void OnRawSocketAccept(int fd, const std::string &ip, int localport)
405 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
406 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
409 issl_session* session = &sessions[fd];
411 /* For STARTTLS: Don't try and init a session on a socket that already has a session */
416 session->inbuf = new char[inbufsize];
417 session->inbufoffset = 0;
419 gnutls_init(&session->sess, GNUTLS_SERVER);
421 gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
422 gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
423 gnutls_dh_set_prime_bits(session->sess, dh_bits);
425 /* This is an experimental change to avoid a warning on 64bit systems about casting between integer and pointer of different sizes
426 * This needs testing, but it's easy enough to rollback if need be
427 * Old: gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
428 * New: gnutls_transport_set_ptr(session->sess, &fd); // Give gnutls the fd for the socket.
430 * With testing this seems to...not work :/
433 gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
435 gnutls_certificate_server_set_request(session->sess, GNUTLS_CERT_REQUEST); // Request client certificate if any.
440 virtual void OnRawSocketConnect(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() - 1))
446 issl_session* session = &sessions[fd];
449 session->inbuf = new char[inbufsize];
450 session->inbufoffset = 0;
452 gnutls_init(&session->sess, GNUTLS_CLIENT);
454 gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
455 gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
456 gnutls_dh_set_prime_bits(session->sess, dh_bits);
457 gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
462 virtual void OnRawSocketClose(int fd)
464 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
465 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds()))
468 CloseSession(&sessions[fd]);
470 EventHandler* user = ServerInstance->SE->GetRef(fd);
472 if ((user) && (user->GetExt("ssl_cert", dummy)))
475 user->GetExt("ssl_cert", tofree);
477 user->Shrink("ssl_cert");
481 virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
483 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
484 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
487 issl_session* session = &sessions[fd];
492 CloseSession(session);
496 if (session->status == ISSL_HANDSHAKING_READ)
498 // The handshake isn't finished, try to finish it.
500 if(!Handshake(session))
502 // Couldn't resume handshake.
506 else if (session->status == ISSL_HANDSHAKING_WRITE)
509 MakePollWrite(session);
513 // If we resumed the handshake then session->status will be ISSL_HANDSHAKEN.
515 if (session->status == ISSL_HANDSHAKEN)
517 // Is this right? Not sure if the unencrypted data is garaunteed to be the same length.
518 // Read into the inbuffer, offset from the beginning by the amount of data we have that insp hasn't taken yet.
519 int ret = gnutls_record_recv(session->sess, session->inbuf + session->inbufoffset, inbufsize - session->inbufoffset);
523 // Client closed connection.
525 CloseSession(session);
530 if (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
538 CloseSession(session);
543 // Read successfully 'ret' bytes into inbuf + inbufoffset
544 // There are 'ret' + 'inbufoffset' bytes of data in 'inbuf'
545 // 'buffer' is 'count' long
547 unsigned int length = ret + session->inbufoffset;
551 memcpy(buffer, session->inbuf, count);
552 // Move the stuff left in inbuf to the beginning of it
553 memmove(session->inbuf, session->inbuf + count, (length - count));
554 // Now we need to set session->inbufoffset to the amount of data still waiting to be handed to insp.
555 session->inbufoffset = length - count;
556 // Insp uses readresult as the count of how much data there is in buffer, so:
561 // There's not as much in the inbuf as there is space in the buffer, so just copy the whole thing.
562 memcpy(buffer, session->inbuf, length);
563 // Zero the offset, as there's nothing there..
564 session->inbufoffset = 0;
570 else if(session->status == ISSL_CLOSING)
576 virtual int OnRawSocketWrite(int fd, const char* buffer, int count)
578 /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
579 if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
582 issl_session* session = &sessions[fd];
583 const char* sendbuffer = buffer;
587 CloseSession(session);
591 session->outbuf.append(sendbuffer, count);
592 sendbuffer = session->outbuf.c_str();
593 count = session->outbuf.size();
595 if (session->status == ISSL_HANDSHAKING_WRITE)
597 // The handshake isn't finished, try to finish it.
605 if (session->status == ISSL_HANDSHAKEN)
607 ret = gnutls_record_send(session->sess, sendbuffer, count);
611 CloseSession(session);
615 if(ret != GNUTLS_E_AGAIN && ret != GNUTLS_E_INTERRUPTED)
617 CloseSession(session);
626 session->outbuf = session->outbuf.substr(ret);
630 MakePollWrite(session);
632 /* Who's smart idea was it to return 1 when we havent written anything?
633 * This fucks the buffer up in BufferedSocket :p
635 return ret < 1 ? 0 : ret;
638 // :kenny.chatspike.net 320 Om Epy|AFK :is a Secure Connection
639 virtual void OnWhois(User* source, User* dest)
644 // Bugfix, only send this numeric for *our* SSL users
645 if (dest->GetExt("ssl", dummy) || ((IS_LOCAL(dest) && (dest->GetIOHook() == this))))
647 ServerInstance->SendWhoisLine(source, dest, 320, "%s %s :is using a secure connection", source->nick.c_str(), dest->nick.c_str());
651 virtual void OnSyncUserMetaData(User* user, Module* proto, void* opaque, const std::string &extname, bool displayable)
653 // check if the linking module wants to know about OUR metadata
656 // check if this user has an swhois field to send
657 if(user->GetExt(extname, dummy))
659 // call this function in the linking module, let it format the data how it
660 // sees fit, and send it on its way. We dont need or want to know how.
661 proto->ProtoSendMetaData(opaque, TYPE_USER, user, extname, displayable ? "Enabled" : "ON");
666 virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
668 // check if its our metadata key, and its associated with a user
669 if ((target_type == TYPE_USER) && (extname == "ssl"))
671 User* dest = (User*)target;
672 // if they dont already have an ssl flag, accept the remote server's
673 if (!dest->GetExt(extname, dummy))
675 dest->Extend(extname, "ON");
680 bool Handshake(issl_session* session)
682 int ret = gnutls_handshake(session->sess);
686 if(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
688 // Handshake needs resuming later, read() or write() would have blocked.
690 if(gnutls_record_get_direction(session->sess) == 0)
692 // gnutls_handshake() wants to read() again.
693 session->status = ISSL_HANDSHAKING_READ;
697 // gnutls_handshake() wants to write() again.
698 session->status = ISSL_HANDSHAKING_WRITE;
699 MakePollWrite(session);
705 CloseSession(session);
706 session->status = ISSL_CLOSING;
713 // Handshake complete.
714 // This will do for setting the ssl flag...it could be done earlier if it's needed. But this seems neater.
715 User* extendme = ServerInstance->FindDescriptor(session->fd);
718 if (!extendme->GetExt("ssl", dummy))
719 extendme->Extend("ssl", "ON");
722 // Change the seesion state
723 session->status = ISSL_HANDSHAKEN;
725 // Finish writing, if any left
726 MakePollWrite(session);
732 virtual void OnPostConnect(User* user)
734 // This occurs AFTER OnUserConnect so we can be sure the
735 // protocol module has propagated the NICK message.
736 if ((user->GetExt("ssl", dummy)) && (IS_LOCAL(user)))
738 // Tell whatever protocol module we're using that we need to inform other servers of this metadata NOW.
739 ServerInstance->PI->SendMetaData(user, TYPE_USER, "SSL", "on");
741 VerifyCertificate(&sessions[user->GetFd()],user);
742 if (sessions[user->GetFd()].sess)
744 std::string cipher = gnutls_kx_get_name(gnutls_kx_get(sessions[user->GetFd()].sess));
745 cipher.append("-").append(gnutls_cipher_get_name(gnutls_cipher_get(sessions[user->GetFd()].sess))).append("-");
746 cipher.append(gnutls_mac_get_name(gnutls_mac_get(sessions[user->GetFd()].sess)));
747 user->WriteServ("NOTICE %s :*** You are connected using SSL cipher \"%s\"", user->nick.c_str(), cipher.c_str());
752 void MakePollWrite(issl_session* session)
754 //OnRawSocketWrite(session->fd, NULL, 0);
755 EventHandler* eh = ServerInstance->FindDescriptor(session->fd);
757 ServerInstance->SE->WantWrite(eh);
760 virtual void OnBufferFlushed(User* user)
762 if (user->GetExt("ssl"))
764 issl_session* session = &sessions[user->GetFd()];
765 if (session && session->outbuf.size())
766 OnRawSocketWrite(user->GetFd(), NULL, 0);
770 void CloseSession(issl_session* session)
774 gnutls_bye(session->sess, GNUTLS_SHUT_WR);
775 gnutls_deinit(session->sess);
780 delete[] session->inbuf;
783 session->outbuf.clear();
784 session->inbuf = NULL;
785 session->sess = NULL;
786 session->status = ISSL_NONE;
789 void VerifyCertificate(issl_session* session, Extensible* user)
791 if (!session->sess || !user)
795 const gnutls_datum_t* cert_list;
797 unsigned int cert_list_size;
798 gnutls_x509_crt_t cert;
800 unsigned char digest[MAXBUF];
801 size_t digest_size = sizeof(digest);
802 size_t name_size = sizeof(name);
803 ssl_cert* certinfo = new ssl_cert;
805 user->Extend("ssl_cert",certinfo);
807 /* This verification function uses the trusted CAs in the credentials
808 * structure. So you must have installed one or more CA certificates.
810 ret = gnutls_certificate_verify_peers2(session->sess, &status);
814 certinfo->data.insert(std::make_pair("error",std::string(gnutls_strerror(ret))));
818 if (status & GNUTLS_CERT_INVALID)
820 certinfo->data.insert(std::make_pair("invalid",ConvToStr(1)));
824 certinfo->data.insert(std::make_pair("invalid",ConvToStr(0)));
826 if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
828 certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(1)));
832 certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(0)));
834 if (status & GNUTLS_CERT_REVOKED)
836 certinfo->data.insert(std::make_pair("revoked",ConvToStr(1)));
840 certinfo->data.insert(std::make_pair("revoked",ConvToStr(0)));
842 if (status & GNUTLS_CERT_SIGNER_NOT_CA)
844 certinfo->data.insert(std::make_pair("trusted",ConvToStr(0)));
848 certinfo->data.insert(std::make_pair("trusted",ConvToStr(1)));
851 /* Up to here the process is the same for X.509 certificates and
852 * OpenPGP keys. From now on X.509 certificates are assumed. This can
853 * be easily extended to work with openpgp keys as well.
855 if (gnutls_certificate_type_get(session->sess) != GNUTLS_CRT_X509)
857 certinfo->data.insert(std::make_pair("error","No X509 keys sent"));
861 ret = gnutls_x509_crt_init(&cert);
864 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
869 cert_list = gnutls_certificate_get_peers(session->sess, &cert_list_size);
870 if (cert_list == NULL)
872 certinfo->data.insert(std::make_pair("error","No certificate was found"));
876 /* This is not a real world example, since we only check the first
877 * certificate in the given chain.
880 ret = gnutls_x509_crt_import(cert, &cert_list[0], GNUTLS_X509_FMT_DER);
883 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
887 gnutls_x509_crt_get_dn(cert, name, &name_size);
889 certinfo->data.insert(std::make_pair("dn",name));
891 gnutls_x509_crt_get_issuer_dn(cert, name, &name_size);
893 certinfo->data.insert(std::make_pair("issuer",name));
895 if ((ret = gnutls_x509_crt_get_fingerprint(cert, GNUTLS_DIG_MD5, digest, &digest_size)) < 0)
897 certinfo->data.insert(std::make_pair("error",gnutls_strerror(ret)));
901 certinfo->data.insert(std::make_pair("fingerprint",irc::hex(digest, digest_size)));
904 /* Beware here we do not check for errors.
906 if ((gnutls_x509_crt_get_expiration_time(cert) < ServerInstance->Time()) || (gnutls_x509_crt_get_activation_time(cert) > ServerInstance->Time()))
908 certinfo->data.insert(std::make_pair("error","Not activated, or expired certificate"));
911 gnutls_x509_crt_deinit(cert);
916 void OnEvent(Event* ev)
918 GenericCapHandler(ev, "tls", "tls");
923 Module* server = ServerInstance->Modules->Find("m_spanningtree.so");
924 ServerInstance->Modules->SetPriority(this, I_OnPostConnect, PRIO_AFTER, &server);
928 MODULE_INIT(ModuleSSLGnuTLS)