src/modules/extra/m_ssl_openssl.cpp

   1 #include <string>
   2 #include <vector>
   3
   4 #include <openssl/ssl.h>
   5 #include <openssl/err.h>
   6
   7 #include "inspircd_config.h"
   8 #include "users.h"
   9 #include "channels.h"
  10 #include "modules.h"
  11 #include "helperfuncs.h"
  12 #include "socket.h"
  13 #include "hashcomp.h"
  14
  15 /* $ModDesc: Provides SSL support for clients */
  16 /* $CompileFlags: -I/usr/include -I/usr/local/include */
  17 /* $LinkerFlags: -L/usr/local/lib -Wl,--rpath -Wl,/usr/local/lib -L/usr/lib -Wl,--rpath -Wl,/usr/lib -lssl */
  18
  19 enum issl_status { ISSL_NONE, ISSL_HANDSHAKING, ISSL_OPEN };
  20 enum issl_io_status { ISSL_WRITE, ISSL_READ };
  21
  22 bool isin(int port, const std::vector<int> &portlist)
  23 {
  24         for(unsigned int i = 0; i < portlist.size(); i++)
  25                 if(portlist[i] == port)
  26                         return true;
  27
  28         return false;
  29 }
  30
  31 char* get_error()
  32 {
  33         return ERR_error_string(ERR_get_error(), NULL);
  34 }
  35
  36 class issl_session
  37 {
  38 public:
  39         SSL* sess;
  40         issl_status status;
  41         issl_io_status rstat;
  42         issl_io_status wstat;
  43
  44         unsigned int inbufoffset;
  45         char* inbuf;                    // Buffer OpenSSL reads into.
  46         std::string outbuf;     // Buffer for outgoing data that OpenSSL will not take.
  47         int fd;
  48
  49         issl_session()
  50         {
  51                 rstat = ISSL_READ;
  52                 wstat = ISSL_WRITE;
  53         }
  54 };
  55
  56 class ModuleSSLOpenSSL : public Module
  57 {
  58         Server* Srv;
  59         ServerConfig* SrvConf;
  60         ConfigReader* Conf;
  61
  62         CullList culllist;
  63
  64         std::vector<int> listenports;
  65
  66         int inbufsize;
  67         issl_session sessions[MAX_DESCRIPTORS];
  68
  69         SSL_CTX* ctx;
  70
  71         std::string keyfile;
  72         std::string certfile;
  73         std::string cafile;
  74         // std::string crlfile;
  75         std::string dhfile;
  76
  77  public:
  78
  79         ModuleSSLOpenSSL(Server* Me)
  80                 : Module::Module(Me)
  81         {
  82                 Srv = Me;
  83                 SrvConf = Srv->GetConfig();
  84
  85                 // Not rehashable...because I cba to reduce all the sizes of existing buffers.
  86                 inbufsize = SrvConf->NetBufferSize;
  87
  88                 /* Global SSL library initialization*/
  89                 SSL_library_init();
  90                 SSL_load_error_strings();
  91
  92                 /* Build our SSL context*/
  93                 ctx = SSL_CTX_new( SSLv23_server_method() );
  94
  95                 // Needs the flag as it ignores a plain /rehash
  96                 OnRehash("ssl");
  97         }
  98
  99         virtual void OnRehash(std::string param)
 100         {
 101                 if(param != "ssl")
 102                         return;
 103
 104                 Conf = new ConfigReader;
 105
 106                 for(unsigned int i = 0; i < listenports.size(); i++)
 107                 {
 108                         SrvConf->DelIOHook(listenports[i]);
 109                 }
 110
 111                 listenports.clear();
 112
 113                 for(int i = 0; i < Conf->Enumerate("bind"); i++)
 114                 {
 115                         // For each <bind> tag
 116                         if(((Conf->ReadValue("bind", "type", i) == "") || (Conf->ReadValue("bind", "type", i) == "clients")) && (Conf->ReadValue("bind", "ssl", i) == "openssl"))
 117                         {
 118                                 // Get the port we're meant to be listening on with SSL
 119                                 unsigned int port = Conf->ReadInteger("bind", "port", i, true);
 120                                 if(SrvConf->AddIOHook(port, this))
 121                                 {
 122                                         // We keep a record of which ports we're listening on with SSL
 123                                         listenports.push_back(port);
 124
 125                                         log(DEFAULT, "m_ssl_openssl.so: Enabling SSL for port %d", port);
 126                                 }
 127                                 else
 128                                 {
 129                                         log(DEFAULT, "m_ssl_openssl.so: FAILED to enable SSL on port %d, maybe you have another ssl or similar module loaded?", port);
 130                                 }
 131                         }
 132                 }
 133
 134                 std::string confdir(CONFIG_FILE);
 135                 // +1 so we the path ends with a /
 136                 confdir = confdir.substr(0, confdir.find_last_of('/') + 1);
 137
 138                 cafile  = Conf->ReadValue("openssl", "cafile", 0);
 139                 // crlfile      = Conf->ReadValue("openssl", "crlfile", 0);
 140                 certfile        = Conf->ReadValue("openssl", "certfile", 0);
 141                 keyfile = Conf->ReadValue("openssl", "keyfile", 0);
 142                 dhfile  = Conf->ReadValue("openssl", "dhfile", 0);
 143
 144                 // Set all the default values needed.
 145                 if(cafile == "")
 146                         cafile = "ca.pem";
 147
 148                 //if(crlfile == "")
 149                 //      crlfile = "crl.pem";
 150
 151                 if(certfile == "")
 152                         certfile = "cert.pem";
 153
 154                 if(keyfile == "")
 155                         keyfile = "key.pem";
 156
 157                 if(dhfile == "")
 158                         dhfile = "dhparams.pem";
 159
 160                 // Prepend relative paths with the path to the config directory.
 161                 if(cafile[0] != '/')
 162                         cafile = confdir + cafile;
 163
 164                 //if(crlfile[0] != '/')
 165                 //      crlfile = confdir + crlfile;
 166
 167                 if(certfile[0] != '/')
 168                         certfile = confdir + certfile;
 169
 170                 if(keyfile[0] != '/')
 171                         keyfile = confdir + keyfile;
 172
 173                 if(dhfile[0] != '/')
 174                         dhfile = confdir + dhfile;
 175
 176                 /* Load our keys and certificates*/
 177                 if(!SSL_CTX_use_certificate_chain_file(ctx, certfile.c_str()))
 178                 {
 179                         log(DEFAULT, "m_ssl_openssl.so: Can't read certificate file %s", certfile.c_str());
 180                 }
 181
 182                 if(!SSL_CTX_use_PrivateKey_file(ctx, keyfile.c_str(), SSL_FILETYPE_PEM))
 183                 {
 184                         log(DEFAULT, "m_ssl_openssl.so: Can't read key file %s", keyfile.c_str());
 185                 }
 186
 187                 /* Load the CAs we trust*/
 188                 if(!SSL_CTX_load_verify_locations(ctx, cafile.c_str(), 0))
 189                 {
 190                         log(DEFAULT, "m_ssl_openssl.so: Can't read CA list from ", cafile.c_str());
 191                 }
 192
 193                 FILE* dhpfile = fopen(dhfile.c_str(), "r");
 194                 DH* ret;
 195
 196                 if(dhpfile == NULL)
 197                 {
 198                         log(DEFAULT, "m_ssl_openssl.so Couldn't open DH file %s: %s", dhfile.c_str(), strerror(errno));
 199                 }
 200                 else
 201                 {
 202                         ret = PEM_read_DHparams(dhpfile, NULL, NULL, NULL);
 203                 }
 204
 205                 fclose(dhpfile);
 206
 207                 if(SSL_CTX_set_tmp_dh(ctx, ret) < 0)
 208                 {
 209                         log(DEFAULT, "m_ssl_openssl.so: Couldn't set DH parameters");
 210                 }
 211
 212                 delete Conf;
 213         }
 214
 215         virtual ~ModuleSSLOpenSSL()
 216         {
 217                 SSL_CTX_free(ctx);
 218         }
 219
 220         virtual void OnCleanup(int target_type, void* item)
 221         {
 222                 if(target_type == TYPE_USER)
 223                 {
 224                         userrec* user = (userrec*)item;
 225
 226                         if(user->GetExt("ssl") && IS_LOCAL(user) && isin(user->port, listenports))
 227                         {
 228                                 // User is using SSL, they're a local user, and they're using one of *our* SSL ports.
 229                                 // Potentially there could be multiple SSL modules loaded at once on different ports.
 230                                 log(DEBUG, "m_ssl_openssl.so: Adding user %s to cull list", user->nick);
 231                                 culllist.AddItem(user, "SSL module unloading");
 232                         }
 233                 }
 234         }
 235
 236         virtual void OnUnloadModule(Module* mod, std::string name)
 237         {
 238                 if(mod == this)
 239                 {
 240                         // We're being unloaded, kill all the users added to the cull list in OnCleanup
 241                         int numusers = culllist.Apply();
 242                         log(DEBUG, "m_ssl_openssl.so: Killed %d users for unload of OpenSSL SSL module", numusers);
 243
 244                         for(unsigned int i = 0; i < listenports.size(); i++)
 245                                 SrvConf->DelIOHook(listenports[i]);
 246                 }
 247         }
 248
 249         virtual Version GetVersion()
 250         {
 251                 return Version(1, 0, 0, 0, VF_VENDOR);
 252         }
 253
 254         void Implements(char* List)
 255         {
 256                 List[I_OnRawSocketAccept] = List[I_OnRawSocketClose] = List[I_OnRawSocketRead] = List[I_OnRawSocketWrite] = List[I_OnCleanup] = 1;
 257                 List[I_OnSyncUserMetaData] = List[I_OnDecodeMetaData] = List[I_OnUnloadModule] = List[I_OnRehash] = List[I_OnWhois] = List[I_OnGlobalConnect] = 1;
 258         }
 259
 260         virtual void OnRawSocketAccept(int fd, std::string ip, int localport)
 261         {
 262                 issl_session* session = &sessions[fd];
 263
 264                 session->fd = fd;
 265                 session->inbuf = new char[inbufsize];
 266                 session->inbufoffset = 0;
 267                 session->sess = SSL_new(ctx);
 268                 session->status = ISSL_NONE;
 269
 270                 if(session->sess == NULL)
 271                 {
 272                         log(DEBUG, "m_ssl.so: Couldn't create SSL object: %s", get_error());
 273                         return;
 274                 }
 275
 276                 if(SSL_set_fd(session->sess, fd) == 0)
 277                 {
 278                         log(DEBUG, "m_ssl.so: Couldn't set fd for SSL object: %s", get_error());
 279                         return;
 280                 }
 281
 282                 Handshake(session);
 283         }
 284
 285         virtual void OnRawSocketClose(int fd)
 286         {
 287                 log(DEBUG, "m_ssl_openssl.so: OnRawSocketClose: %d", fd);
 288                 CloseSession(&sessions[fd]);
 289         }
 290
 291         virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
 292         {
 293                 issl_session* session = &sessions[fd];
 294
 295                 if(!session->sess)
 296                 {
 297                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: No session to read from");
 298                         readresult = 0;
 299                         CloseSession(session);
 300                         return 1;
 301                 }
 302
 303                 log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead(%d, buffer, %u, %d)", fd, count, readresult);
 304
 305                 if(session->status == ISSL_HANDSHAKING)
 306                 {
 307                         if(session->rstat == ISSL_READ || session->wstat == ISSL_READ)
 308                         {
 309                                 // The handshake isn't finished and it wants to read, try to finish it.
 310                                 if(Handshake(session))
 311                                 {
 312                                         // Handshake successfully resumed.
 313                                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: successfully resumed handshake");
 314                                 }
 315                                 else
 316                                 {
 317                                         // Couldn't resume handshake.
 318                                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: failed to resume handshake");
 319                                         return -1;
 320                                 }
 321                         }
 322                         else
 323                         {
 324                                 log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: handshake wants to write data but we are currently reading");
 325                                 return -1;
 326                         }
 327                 }
 328
 329                 // If we resumed the handshake then session->status will be ISSL_OPEN
 330
 331                 if(session->status == ISSL_OPEN)
 332                 {
 333                         if(session->wstat == ISSL_READ)
 334                         {
 335                                 if(DoWrite(session) == 0)
 336                                         return 0;
 337                         }
 338
 339                         if(session->rstat == ISSL_READ)
 340                         {
 341                                 int ret = DoRead(session);
 342
 343                                 if(ret > 0)
 344                                 {
 345                                         if(count <= session->inbufoffset)
 346                                         {
 347                                                 memcpy(buffer, session->inbuf, count);
 348                                                 // Move the stuff left in inbuf to the beginning of it
 349                                                 memcpy(session->inbuf, session->inbuf + count, (session->inbufoffset - count));
 350                                                 // Now we need to set session->inbufoffset to the amount of data still waiting to be handed to insp.
 351                                                 session->inbufoffset -= count;
 352                                                 // Insp uses readresult as the count of how much data there is in buffer, so:
 353                                                 readresult = count;
 354                                         }
 355                                         else
 356                                         {
 357                                                 // There's not as much in the inbuf as there is space in the buffer, so just copy the whole thing.
 358                                                 memcpy(buffer, session->inbuf, session->inbufoffset);
 359
 360                                                 readresult = session->inbufoffset;
 361                                                 // Zero the offset, as there's nothing there..
 362                                                 session->inbufoffset = 0;
 363                                         }
 364
 365                                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: Passing %d bytes up to insp:");
 366                                         Srv->Log(DEBUG, std::string(buffer, readresult));
 367
 368                                         return 1;
 369                                 }
 370                                 else
 371                                 {
 372                                         return ret;
 373                                 }
 374                         }
 375                 }
 376
 377                 return -1;
 378         }
 379
 380         virtual int OnRawSocketWrite(int fd, char* buffer, int count)
 381         {
 382                 issl_session* session = &sessions[fd];
 383
 384                 if(!session->sess)
 385                 {
 386                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: No session to write to");
 387                         CloseSession(session);
 388                         return 1;
 389                 }
 390
 391                 log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: Adding %d bytes to the outgoing buffer", count);
 392                 session->outbuf.append(buffer, count);
 393
 394                 if(session->status == ISSL_HANDSHAKING)
 395                 {
 396                         // The handshake isn't finished, try to finish it.
 397                         if(session->rstat == ISSL_WRITE || session->wstat == ISSL_WRITE)
 398                         {
 399                                 if(Handshake(session))
 400                                 {
 401                                         // Handshake successfully resumed.
 402                                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: successfully resumed handshake");
 403                                 }
 404                                 else
 405                                 {
 406                                         // Couldn't resume handshake.
 407                                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: failed to resume handshake");
 408                                 }
 409                         }
 410                         else
 411                         {
 412                                 log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: handshake wants to read data but we are currently writing");
 413                         }
 414                 }
 415
 416                 if(session->status == ISSL_OPEN)
 417                 {
 418                         if(session->rstat == ISSL_WRITE)
 419                         {
 420                                 DoRead(session);
 421                         }
 422
 423                         if(session->wstat == ISSL_WRITE)
 424                         {
 425                                 return DoWrite(session);
 426                         }
 427                 }
 428
 429                 return 1;
 430         }
 431
 432         int DoWrite(issl_session* session)
 433         {
 434                 log(DEBUG, "m_ssl_openssl.so: DoWrite: Trying to write %d bytes:", session->outbuf.size());
 435                 Srv->Log(DEBUG, session->outbuf);
 436
 437                 int ret = SSL_write(session->sess, session->outbuf.data(), session->outbuf.size());
 438
 439                 if(ret == 0)
 440                 {
 441                         log(DEBUG, "m_ssl_openssl.so: DoWrite: Client closed the connection");
 442                         CloseSession(session);
 443                         return 0;
 444                 }
 445                 else if(ret < 0)
 446                 {
 447                         int err = SSL_get_error(session->sess, ret);
 448
 449                         if(err == SSL_ERROR_WANT_WRITE)
 450                         {
 451                                 log(DEBUG, "m_ssl_openssl.so: DoWrite: Not all SSL data written, need to retry: %s", get_error());
 452                                 session->wstat = ISSL_WRITE;
 453                                 return -1;
 454                         }
 455                         else if(err == SSL_ERROR_WANT_READ)
 456                         {
 457                                 log(DEBUG, "m_ssl_openssl.so: DoWrite: Not all SSL data written but the damn thing wants to read instead: %s", get_error());
 458                                 session->wstat = ISSL_READ;
 459                                 return -1;
 460                         }
 461                         else
 462                         {
 463                                 log(DEBUG, "m_ssl_openssl.so: DoWrite: Error writing SSL data: %s", get_error());
 464                                 CloseSession(session);
 465                                 return 0;
 466                         }
 467                 }
 468                 else
 469                 {
 470                         log(DEBUG, "m_ssl_openssl.so: DoWrite: Successfully wrote %d bytes", ret);
 471                         session->outbuf = session->outbuf.substr(ret);
 472                         return ret;
 473                 }
 474         }
 475
 476         int DoRead(issl_session* session)
 477         {
 478                 // Is this right? Not sure if the unencrypted data is garaunteed to be the same length.
 479                 // Read into the inbuffer, offset from the beginning by the amount of data we have that insp hasn't taken yet.
 480                 log(DEBUG, "m_ssl_openssl.so: DoRead: SSL_read(sess, inbuf+%d, %d-%d)", session->inbufoffset, inbufsize, session->inbufoffset);
 481
 482                 int ret = SSL_read(session->sess, session->inbuf + session->inbufoffset, inbufsize - session->inbufoffset);
 483
 484                 if(ret == 0)
 485                 {
 486                         // Client closed connection.
 487                         log(DEBUG, "m_ssl_openssl.so: DoRead: Client closed the connection");
 488                         CloseSession(session);
 489                         return 0;
 490                 }
 491                 else if(ret < 0)
 492                 {
 493                         int err = SSL_get_error(session->sess, ret);
 494
 495                         if(err == SSL_ERROR_WANT_READ)
 496                         {
 497                                 log(DEBUG, "m_ssl_openssl.so: DoRead: Not all SSL data read, need to retry: %s", get_error());
 498                                 session->rstat = ISSL_READ;
 499                                 return -1;
 500                         }
 501                         else if(err == SSL_ERROR_WANT_WRITE)
 502                         {
 503                                 log(DEBUG, "m_ssl_openssl.so: DoRead: Not all SSL data read but the damn thing wants to write instead: %s", get_error());
 504                                 session->rstat = ISSL_WRITE;
 505                                 return -1;
 506                         }
 507                         else
 508                         {
 509                                 log(DEBUG, "m_ssl_openssl.so: DoRead: Error reading SSL data: %s", get_error());
 510                                 CloseSession(session);
 511                                 return 0;
 512                         }
 513                 }
 514                 else
 515                 {
 516                         // Read successfully 'ret' bytes into inbuf + inbufoffset
 517                         // There are 'ret' + 'inbufoffset' bytes of data in 'inbuf'
 518                         // 'buffer' is 'count' long
 519
 520                         log(DEBUG, "m_ssl_openssl.so: DoRead: Read %d bytes, now have %d waiting to be passed up", ret, ret + session->inbufoffset);
 521
 522                         session->inbufoffset += ret;
 523
 524                         return ret;
 525                 }
 526         }
 527
 528         // :kenny.chatspike.net 320 Om Epy|AFK :is a Secure Connection
 529         virtual void OnWhois(userrec* source, userrec* dest)
 530         {
 531                 // Bugfix, only send this numeric for *our* SSL users
 532                 if(dest->GetExt("ssl") && isin(dest->port, listenports))
 533                 {
 534                         WriteServ(source->fd, "320 %s %s :is using a secure connection", source->nick, dest->nick);
 535                 }
 536         }
 537
 538         virtual void OnSyncUserMetaData(userrec* user, Module* proto, void* opaque, std::string extname)
 539         {
 540                 // check if the linking module wants to know about OUR metadata
 541                 if(extname == "ssl")
 542                 {
 543                         // check if this user has an swhois field to send
 544                         if(user->GetExt(extname))
 545                         {
 546                                 // call this function in the linking module, let it format the data how it
 547                                 // sees fit, and send it on its way. We dont need or want to know how.
 548                                 proto->ProtoSendMetaData(opaque, TYPE_USER, user, extname, "ON");
 549                         }
 550                 }
 551         }
 552
 553         virtual void OnDecodeMetaData(int target_type, void* target, std::string extname, std::string extdata)
 554         {
 555                 // check if its our metadata key, and its associated with a user
 556                 if ((target_type == TYPE_USER) && (extname == "ssl"))
 557                 {
 558                         userrec* dest = (userrec*)target;
 559                         // if they dont already have an ssl flag, accept the remote server's
 560                         if (!dest->GetExt(extname))
 561                         {
 562                                 dest->Extend(extname, "ON");
 563                         }
 564                 }
 565         }
 566
 567         bool Handshake(issl_session* session)
 568         {
 569                 int ret = SSL_accept(session->sess);
 570
 571                 if(ret < 0)
 572                 {
 573                         int err = SSL_get_error(session->sess, ret);
 574
 575                         if(err == SSL_ERROR_WANT_READ)
 576                         {
 577                                 log(DEBUG, "m_ssl_openssl.so: Handshake: Not completed, need to read again: %s", get_error());
 578                                 session->rstat = ISSL_READ;
 579                                 session->status = ISSL_HANDSHAKING;
 580                         }
 581                         else if(err == SSL_ERROR_WANT_WRITE)
 582                         {
 583                                 log(DEBUG, "m_ssl_openssl.so: Handshake: Not completed, need to write more data: %s", get_error());
 584                                 session->wstat = ISSL_WRITE;
 585                                 session->status = ISSL_HANDSHAKING;
 586                                 MakePollWrite(session);
 587                         }
 588                         else
 589                         {
 590                                 log(DEBUG, "m_ssl_openssl.so: Handshake: Failed, bailing: %s", get_error());
 591                                 CloseSession(session);
 592                         }
 593
 594                         return false;
 595                 }
 596                 else
 597                 {
 598                         // Handshake complete.
 599                         log(DEBUG, "m_ssl_openssl.so: Handshake completed");
 600
 601                         // This will do for setting the ssl flag...it could be done earlier if it's needed. But this seems neater.
 602                         Srv->FindDescriptor(session->fd)->Extend("ssl", "ON");
 603
 604                         session->status = ISSL_OPEN;
 605
 606                         MakePollWrite(session);
 607
 608                         return true;
 609                 }
 610         }
 611
 612         virtual void OnGlobalConnect(userrec* user)
 613         {
 614                 // This occurs AFTER OnUserConnect so we can be sure the
 615                 // protocol module has propogated the NICK message.
 616                 if ((user->GetExt("ssl")) && (IS_LOCAL(user)))
 617                 {
 618                         // Tell whatever protocol module we're using that we need to inform other servers of this metadata NOW.
 619                         std::deque<std::string>* metadata = new std::deque<std::string>;
 620                         metadata->push_back(user->nick);
 621                         metadata->push_back("ssl");             // The metadata id
 622                         metadata->push_back("ON");              // The value to send
 623                         Event* event = new Event((char*)metadata,(Module*)this,"send_metadata");
 624                         event->Send();                          // Trigger the event. We don't care what module picks it up.
 625                         delete event;
 626                         delete metadata;
 627                 }
 628         }
 629
 630         void MakePollWrite(issl_session* session)
 631         {
 632                 OnRawSocketWrite(session->fd, NULL, 0);
 633         }
 634
 635         void CloseSession(issl_session* session)
 636         {
 637                 if(session->sess)
 638                 {
 639                         SSL_shutdown(session->sess);
 640                         SSL_free(session->sess);
 641                 }
 642
 643                 if(session->inbuf)
 644                 {
 645                         delete[] session->inbuf;
 646                 }
 647
 648                 session->outbuf.clear();
 649                 session->inbuf = NULL;
 650                 session->sess = NULL;
 651                 session->status = ISSL_NONE;
 652         }
 653 };
 654
 655 class ModuleSSLOpenSSLFactory : public ModuleFactory
 656 {
 657  public:
 658         ModuleSSLOpenSSLFactory()
 659         {
 660         }
 661
 662         ~ModuleSSLOpenSSLFactory()
 663         {
 664         }
 665
 666         virtual Module * CreateModule(Server* Me)
 667         {
 668                 return new ModuleSSLOpenSSL(Me);
 669         }
 670 };
 671
 672
 673 extern "C" void * init_module( void )
 674 {
 675         return new ModuleSSLOpenSSLFactory;
 676 }
 677