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 "configreader.h"
   9 #include "users.h"
  10 #include "channels.h"
  11 #include "modules.h"
  12 #include "helperfuncs.h"
  13 #include "socket.h"
  14 #include "hashcomp.h"
  15 #include "inspircd.h"
  16
  17 /* $ModDesc: Provides SSL support for clients */
  18 /* $CompileFlags: -I/usr/include -I/usr/local/include */
  19 /* $LinkerFlags: -L/usr/local/lib -Wl,--rpath -Wl,/usr/local/lib -L/usr/lib -Wl,--rpath -Wl,/usr/lib -lssl */
  20
  21 extern InspIRCd* ServerInstance;
  22
  23 enum issl_status { ISSL_NONE, ISSL_HANDSHAKING, ISSL_OPEN };
  24 enum issl_io_status { ISSL_WRITE, ISSL_READ };
  25
  26 bool isin(int port, const std::vector<int> &portlist)
  27 {
  28         for(unsigned int i = 0; i < portlist.size(); i++)
  29                 if(portlist[i] == port)
  30                         return true;
  31
  32         return false;
  33 }
  34
  35 char* get_error()
  36 {
  37         return ERR_error_string(ERR_get_error(), NULL);
  38 }
  39
  40 class issl_session : public classbase
  41 {
  42 public:
  43         SSL* sess;
  44         issl_status status;
  45         issl_io_status rstat;
  46         issl_io_status wstat;
  47
  48         unsigned int inbufoffset;
  49         char* inbuf;                    // Buffer OpenSSL reads into.
  50         std::string outbuf;     // Buffer for outgoing data that OpenSSL will not take.
  51         int fd;
  52
  53         issl_session()
  54         {
  55                 rstat = ISSL_READ;
  56                 wstat = ISSL_WRITE;
  57         }
  58 };
  59
  60 class ModuleSSLOpenSSL : public Module
  61 {
  62         Server* Srv;
  63         ConfigReader* Conf;
  64
  65         CullList culllist;
  66
  67         std::vector<int> listenports;
  68
  69         int inbufsize;
  70         issl_session sessions[MAX_DESCRIPTORS];
  71
  72         SSL_CTX* ctx;
  73
  74         char* dummy;
  75
  76         std::string keyfile;
  77         std::string certfile;
  78         std::string cafile;
  79         // std::string crlfile;
  80         std::string dhfile;
  81
  82  public:
  83
  84         ModuleSSLOpenSSL(Server* Me)
  85                 : Module::Module(Me)
  86         {
  87                 Srv = Me;
  88
  89                 // Not rehashable...because I cba to reduce all the sizes of existing buffers.
  90                 inbufsize = ServerInstance->Config->NetBufferSize;
  91
  92                 /* Global SSL library initialization*/
  93                 SSL_library_init();
  94                 SSL_load_error_strings();
  95
  96                 /* Build our SSL context*/
  97                 ctx = SSL_CTX_new( SSLv23_server_method() );
  98
  99                 // Needs the flag as it ignores a plain /rehash
 100                 OnRehash("ssl");
 101         }
 102
 103         virtual void OnRehash(const std::string &param)
 104         {
 105                 if(param != "ssl")
 106                         return;
 107
 108                 Conf = new ConfigReader;
 109
 110                 for(unsigned int i = 0; i < listenports.size(); i++)
 111                 {
 112                         ServerInstance->Config->DelIOHook(listenports[i]);
 113                 }
 114
 115                 listenports.clear();
 116
 117                 for(int i = 0; i < Conf->Enumerate("bind"); i++)
 118                 {
 119                         // For each <bind> tag
 120                         if(((Conf->ReadValue("bind", "type", i) == "") || (Conf->ReadValue("bind", "type", i) == "clients")) && (Conf->ReadValue("bind", "ssl", i) == "openssl"))
 121                         {
 122                                 // Get the port we're meant to be listening on with SSL
 123                                 unsigned int port = Conf->ReadInteger("bind", "port", i, true);
 124                                 if (ServerInstance->Config->AddIOHook(port, this))
 125                                 {
 126                                         // We keep a record of which ports we're listening on with SSL
 127                                         listenports.push_back(port);
 128
 129                                         log(DEFAULT, "m_ssl_openssl.so: Enabling SSL for port %d", port);
 130                                 }
 131                                 else
 132                                 {
 133                                         log(DEFAULT, "m_ssl_openssl.so: FAILED to enable SSL on port %d, maybe you have another ssl or similar module loaded?", port);
 134                                 }
 135                         }
 136                 }
 137
 138                 std::string confdir(CONFIG_FILE);
 139                 // +1 so we the path ends with a /
 140                 confdir = confdir.substr(0, confdir.find_last_of('/') + 1);
 141
 142                 cafile  = Conf->ReadValue("openssl", "cafile", 0);
 143                 // crlfile      = Conf->ReadValue("openssl", "crlfile", 0);
 144                 certfile        = Conf->ReadValue("openssl", "certfile", 0);
 145                 keyfile = Conf->ReadValue("openssl", "keyfile", 0);
 146                 dhfile  = Conf->ReadValue("openssl", "dhfile", 0);
 147
 148                 // Set all the default values needed.
 149                 if(cafile == "")
 150                         cafile = "ca.pem";
 151
 152                 //if(crlfile == "")
 153                 //      crlfile = "crl.pem";
 154
 155                 if(certfile == "")
 156                         certfile = "cert.pem";
 157
 158                 if(keyfile == "")
 159                         keyfile = "key.pem";
 160
 161                 if(dhfile == "")
 162                         dhfile = "dhparams.pem";
 163
 164                 // Prepend relative paths with the path to the config directory.
 165                 if(cafile[0] != '/')
 166                         cafile = confdir + cafile;
 167
 168                 //if(crlfile[0] != '/')
 169                 //      crlfile = confdir + crlfile;
 170
 171                 if(certfile[0] != '/')
 172                         certfile = confdir + certfile;
 173
 174                 if(keyfile[0] != '/')
 175                         keyfile = confdir + keyfile;
 176
 177                 if(dhfile[0] != '/')
 178                         dhfile = confdir + dhfile;
 179
 180                 /* Load our keys and certificates*/
 181                 if(!SSL_CTX_use_certificate_chain_file(ctx, certfile.c_str()))
 182                 {
 183                         log(DEFAULT, "m_ssl_openssl.so: Can't read certificate file %s", certfile.c_str());
 184                 }
 185
 186                 if(!SSL_CTX_use_PrivateKey_file(ctx, keyfile.c_str(), SSL_FILETYPE_PEM))
 187                 {
 188                         log(DEFAULT, "m_ssl_openssl.so: Can't read key file %s", keyfile.c_str());
 189                 }
 190
 191                 /* Load the CAs we trust*/
 192                 if(!SSL_CTX_load_verify_locations(ctx, cafile.c_str(), 0))
 193                 {
 194                         log(DEFAULT, "m_ssl_openssl.so: Can't read CA list from ", cafile.c_str());
 195                 }
 196
 197                 FILE* dhpfile = fopen(dhfile.c_str(), "r");
 198                 DH* ret;
 199
 200                 if(dhpfile == NULL)
 201                 {
 202                         log(DEFAULT, "m_ssl_openssl.so Couldn't open DH file %s: %s", dhfile.c_str(), strerror(errno));
 203                         throw ModuleException();
 204                 }
 205                 else
 206                 {
 207                         ret = PEM_read_DHparams(dhpfile, NULL, NULL, NULL);
 208
 209                         if(SSL_CTX_set_tmp_dh(ctx, ret) < 0)
 210                         {
 211                                 log(DEFAULT, "m_ssl_openssl.so: Couldn't set DH parameters");
 212                         }
 213                 }
 214
 215                 fclose(dhpfile);
 216
 217                 DELETE(Conf);
 218         }
 219
 220         virtual ~ModuleSSLOpenSSL()
 221         {
 222                 SSL_CTX_free(ctx);
 223         }
 224
 225         virtual void OnCleanup(int target_type, void* item)
 226         {
 227                 if(target_type == TYPE_USER)
 228                 {
 229                         userrec* user = (userrec*)item;
 230
 231                         if(user->GetExt("ssl", dummy) && IS_LOCAL(user) && isin(user->GetPort(), listenports))
 232                         {
 233                                 // User is using SSL, they're a local user, and they're using one of *our* SSL ports.
 234                                 // Potentially there could be multiple SSL modules loaded at once on different ports.
 235                                 log(DEBUG, "m_ssl_openssl.so: Adding user %s to cull list", user->nick);
 236                                 culllist.AddItem(user, "SSL module unloading");
 237                         }
 238                 }
 239         }
 240
 241         virtual void OnUnloadModule(Module* mod, const std::string &name)
 242         {
 243                 if(mod == this)
 244                 {
 245                         // We're being unloaded, kill all the users added to the cull list in OnCleanup
 246                         int numusers = culllist.Apply();
 247                         log(DEBUG, "m_ssl_openssl.so: Killed %d users for unload of OpenSSL SSL module", numusers);
 248
 249                         for(unsigned int i = 0; i < listenports.size(); i++)
 250                                 ServerInstance->Config->DelIOHook(listenports[i]);
 251                 }
 252         }
 253
 254         virtual Version GetVersion()
 255         {
 256                 return Version(1, 0, 0, 0, VF_VENDOR);
 257         }
 258
 259         void Implements(char* List)
 260         {
 261                 List[I_OnRawSocketAccept] = List[I_OnRawSocketClose] = List[I_OnRawSocketRead] = List[I_OnRawSocketWrite] = List[I_OnCleanup] = 1;
 262                 List[I_OnSyncUserMetaData] = List[I_OnDecodeMetaData] = List[I_OnUnloadModule] = List[I_OnRehash] = List[I_OnWhois] = List[I_OnGlobalConnect] = 1;
 263         }
 264
 265         virtual void OnRawSocketAccept(int fd, const std::string &ip, int localport)
 266         {
 267                 issl_session* session = &sessions[fd];
 268
 269                 session->fd = fd;
 270                 session->inbuf = new char[inbufsize];
 271                 session->inbufoffset = 0;
 272                 session->sess = SSL_new(ctx);
 273                 session->status = ISSL_NONE;
 274
 275                 if(session->sess == NULL)
 276                 {
 277                         log(DEBUG, "m_ssl.so: Couldn't create SSL object: %s", get_error());
 278                         return;
 279                 }
 280
 281                 if(SSL_set_fd(session->sess, fd) == 0)
 282                 {
 283                         log(DEBUG, "m_ssl.so: Couldn't set fd for SSL object: %s", get_error());
 284                         return;
 285                 }
 286
 287                 Handshake(session);
 288         }
 289
 290         virtual void OnRawSocketClose(int fd)
 291         {
 292                 log(DEBUG, "m_ssl_openssl.so: OnRawSocketClose: %d", fd);
 293                 CloseSession(&sessions[fd]);
 294         }
 295
 296         virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
 297         {
 298                 issl_session* session = &sessions[fd];
 299
 300                 if(!session->sess)
 301                 {
 302                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: No session to read from");
 303                         readresult = 0;
 304                         CloseSession(session);
 305                         return 1;
 306                 }
 307
 308                 log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead(%d, buffer, %u, %d)", fd, count, readresult);
 309
 310                 if(session->status == ISSL_HANDSHAKING)
 311                 {
 312                         if(session->rstat == ISSL_READ || session->wstat == ISSL_READ)
 313                         {
 314                                 // The handshake isn't finished and it wants to read, try to finish it.
 315                                 if(Handshake(session))
 316                                 {
 317                                         // Handshake successfully resumed.
 318                                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: successfully resumed handshake");
 319                                 }
 320                                 else
 321                                 {
 322                                         // Couldn't resume handshake.
 323                                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: failed to resume handshake");
 324                                         return -1;
 325                                 }
 326                         }
 327                         else
 328                         {
 329                                 log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: handshake wants to write data but we are currently reading");
 330                                 return -1;
 331                         }
 332                 }
 333
 334                 // If we resumed the handshake then session->status will be ISSL_OPEN
 335
 336                 if(session->status == ISSL_OPEN)
 337                 {
 338                         if(session->wstat == ISSL_READ)
 339                         {
 340                                 if(DoWrite(session) == 0)
 341                                         return 0;
 342                         }
 343
 344                         if(session->rstat == ISSL_READ)
 345                         {
 346                                 int ret = DoRead(session);
 347
 348                                 if(ret > 0)
 349                                 {
 350                                         if(count <= session->inbufoffset)
 351                                         {
 352                                                 memcpy(buffer, session->inbuf, count);
 353                                                 // Move the stuff left in inbuf to the beginning of it
 354                                                 memcpy(session->inbuf, session->inbuf + count, (session->inbufoffset - count));
 355                                                 // Now we need to set session->inbufoffset to the amount of data still waiting to be handed to insp.
 356                                                 session->inbufoffset -= count;
 357                                                 // Insp uses readresult as the count of how much data there is in buffer, so:
 358                                                 readresult = count;
 359                                         }
 360                                         else
 361                                         {
 362                                                 // There's not as much in the inbuf as there is space in the buffer, so just copy the whole thing.
 363                                                 memcpy(buffer, session->inbuf, session->inbufoffset);
 364
 365                                                 readresult = session->inbufoffset;
 366                                                 // Zero the offset, as there's nothing there..
 367                                                 session->inbufoffset = 0;
 368                                         }
 369
 370                                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: Passing %d bytes up to insp:", count);
 371                                         Srv->Log(DEBUG, std::string(buffer, readresult));
 372
 373                                         return 1;
 374                                 }
 375                                 else
 376                                 {
 377                                         return ret;
 378                                 }
 379                         }
 380                 }
 381
 382                 return -1;
 383         }
 384
 385         virtual int OnRawSocketWrite(int fd, const char* buffer, int count)
 386         {
 387                 issl_session* session = &sessions[fd];
 388
 389                 if(!session->sess)
 390                 {
 391                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: No session to write to");
 392                         CloseSession(session);
 393                         return 1;
 394                 }
 395
 396                 log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: Adding %d bytes to the outgoing buffer", count);
 397                 session->outbuf.append(buffer, count);
 398
 399                 if(session->status == ISSL_HANDSHAKING)
 400                 {
 401                         // The handshake isn't finished, try to finish it.
 402                         if(session->rstat == ISSL_WRITE || session->wstat == ISSL_WRITE)
 403                         {
 404                                 if(Handshake(session))
 405                                 {
 406                                         // Handshake successfully resumed.
 407                                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: successfully resumed handshake");
 408                                 }
 409                                 else
 410                                 {
 411                                         // Couldn't resume handshake.
 412                                         log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: failed to resume handshake");
 413                                 }
 414                         }
 415                         else
 416                         {
 417                                 log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: handshake wants to read data but we are currently writing");
 418                         }
 419                 }
 420
 421                 if(session->status == ISSL_OPEN)
 422                 {
 423                         if(session->rstat == ISSL_WRITE)
 424                         {
 425                                 DoRead(session);
 426                         }
 427
 428                         if(session->wstat == ISSL_WRITE)
 429                         {
 430                                 return DoWrite(session);
 431                         }
 432                 }
 433
 434                 return 1;
 435         }
 436
 437         int DoWrite(issl_session* session)
 438         {
 439                 log(DEBUG, "m_ssl_openssl.so: DoWrite: Trying to write %d bytes:", session->outbuf.size());
 440                 Srv->Log(DEBUG, session->outbuf);
 441
 442                 int ret = SSL_write(session->sess, session->outbuf.data(), session->outbuf.size());
 443
 444                 if(ret == 0)
 445                 {
 446                         log(DEBUG, "m_ssl_openssl.so: DoWrite: Client closed the connection");
 447                         CloseSession(session);
 448                         return 0;
 449                 }
 450                 else if(ret < 0)
 451                 {
 452                         int err = SSL_get_error(session->sess, ret);
 453
 454                         if(err == SSL_ERROR_WANT_WRITE)
 455                         {
 456                                 log(DEBUG, "m_ssl_openssl.so: DoWrite: Not all SSL data written, need to retry: %s", get_error());
 457                                 session->wstat = ISSL_WRITE;
 458                                 return -1;
 459                         }
 460                         else if(err == SSL_ERROR_WANT_READ)
 461                         {
 462                                 log(DEBUG, "m_ssl_openssl.so: DoWrite: Not all SSL data written but the damn thing wants to read instead: %s", get_error());
 463                                 session->wstat = ISSL_READ;
 464                                 return -1;
 465                         }
 466                         else
 467                         {
 468                                 log(DEBUG, "m_ssl_openssl.so: DoWrite: Error writing SSL data: %s", get_error());
 469                                 CloseSession(session);
 470                                 return 0;
 471                         }
 472                 }
 473                 else
 474                 {
 475                         log(DEBUG, "m_ssl_openssl.so: DoWrite: Successfully wrote %d bytes", ret);
 476                         session->outbuf = session->outbuf.substr(ret);
 477                         return ret;
 478                 }
 479         }
 480
 481         int DoRead(issl_session* session)
 482         {
 483                 // Is this right? Not sure if the unencrypted data is garaunteed to be the same length.
 484                 // Read into the inbuffer, offset from the beginning by the amount of data we have that insp hasn't taken yet.
 485                 log(DEBUG, "m_ssl_openssl.so: DoRead: SSL_read(sess, inbuf+%d, %d-%d)", session->inbufoffset, inbufsize, session->inbufoffset);
 486
 487                 int ret = SSL_read(session->sess, session->inbuf + session->inbufoffset, inbufsize - session->inbufoffset);
 488
 489                 if(ret == 0)
 490                 {
 491                         // Client closed connection.
 492                         log(DEBUG, "m_ssl_openssl.so: DoRead: Client closed the connection");
 493                         CloseSession(session);
 494                         return 0;
 495                 }
 496                 else if(ret < 0)
 497                 {
 498                         int err = SSL_get_error(session->sess, ret);
 499
 500                         if(err == SSL_ERROR_WANT_READ)
 501                         {
 502                                 log(DEBUG, "m_ssl_openssl.so: DoRead: Not all SSL data read, need to retry: %s", get_error());
 503                                 session->rstat = ISSL_READ;
 504                                 return -1;
 505                         }
 506                         else if(err == SSL_ERROR_WANT_WRITE)
 507                         {
 508                                 log(DEBUG, "m_ssl_openssl.so: DoRead: Not all SSL data read but the damn thing wants to write instead: %s", get_error());
 509                                 session->rstat = ISSL_WRITE;
 510                                 return -1;
 511                         }
 512                         else
 513                         {
 514                                 log(DEBUG, "m_ssl_openssl.so: DoRead: Error reading SSL data: %s", get_error());
 515                                 CloseSession(session);
 516                                 return 0;
 517                         }
 518                 }
 519                 else
 520                 {
 521                         // Read successfully 'ret' bytes into inbuf + inbufoffset
 522                         // There are 'ret' + 'inbufoffset' bytes of data in 'inbuf'
 523                         // 'buffer' is 'count' long
 524
 525                         log(DEBUG, "m_ssl_openssl.so: DoRead: Read %d bytes, now have %d waiting to be passed up", ret, ret + session->inbufoffset);
 526
 527                         session->inbufoffset += ret;
 528
 529                         return ret;
 530                 }
 531         }
 532
 533         // :kenny.chatspike.net 320 Om Epy|AFK :is a Secure Connection
 534         virtual void OnWhois(userrec* source, userrec* dest)
 535         {
 536                 // Bugfix, only send this numeric for *our* SSL users
 537                 if(dest->GetExt("ssl", dummy) || (IS_LOCAL(dest) &&  isin(dest->GetPort(), listenports)))
 538                 {
 539                         source->WriteServ("320 %s %s :is using a secure connection", source->nick, dest->nick);
 540                 }
 541         }
 542
 543         virtual void OnSyncUserMetaData(userrec* user, Module* proto, void* opaque, const std::string &extname)
 544         {
 545                 // check if the linking module wants to know about OUR metadata
 546                 if(extname == "ssl")
 547                 {
 548                         // check if this user has an swhois field to send
 549                         if(user->GetExt(extname, dummy))
 550                         {
 551                                 // call this function in the linking module, let it format the data how it
 552                                 // sees fit, and send it on its way. We dont need or want to know how.
 553                                 proto->ProtoSendMetaData(opaque, TYPE_USER, user, extname, "ON");
 554                         }
 555                 }
 556         }
 557
 558         virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
 559         {
 560                 // check if its our metadata key, and its associated with a user
 561                 if ((target_type == TYPE_USER) && (extname == "ssl"))
 562                 {
 563                         userrec* dest = (userrec*)target;
 564                         // if they dont already have an ssl flag, accept the remote server's
 565                         if (!dest->GetExt(extname, dummy))
 566                         {
 567                                 dest->Extend(extname, "ON");
 568                         }
 569                 }
 570         }
 571
 572         bool Handshake(issl_session* session)
 573         {
 574                 int ret = SSL_accept(session->sess);
 575
 576                 if(ret < 0)
 577                 {
 578                         int err = SSL_get_error(session->sess, ret);
 579
 580                         if(err == SSL_ERROR_WANT_READ)
 581                         {
 582                                 log(DEBUG, "m_ssl_openssl.so: Handshake: Not completed, need to read again: %s", get_error());
 583                                 session->rstat = ISSL_READ;
 584                                 session->status = ISSL_HANDSHAKING;
 585                         }
 586                         else if(err == SSL_ERROR_WANT_WRITE)
 587                         {
 588                                 log(DEBUG, "m_ssl_openssl.so: Handshake: Not completed, need to write more data: %s", get_error());
 589                                 session->wstat = ISSL_WRITE;
 590                                 session->status = ISSL_HANDSHAKING;
 591                                 MakePollWrite(session);
 592                         }
 593                         else
 594                         {
 595                                 log(DEBUG, "m_ssl_openssl.so: Handshake: Failed, bailing: %s", get_error());
 596                                 CloseSession(session);
 597                         }
 598
 599                         return false;
 600                 }
 601                 else
 602                 {
 603                         // Handshake complete.
 604                         log(DEBUG, "m_ssl_openssl.so: Handshake completed");
 605
 606                         // This will do for setting the ssl flag...it could be done earlier if it's needed. But this seems neater.
 607                         userrec* u = Srv->FindDescriptor(session->fd);
 608                         if (u)
 609                         {
 610                                 if (!u->GetExt("ssl", dummy))
 611                                         u->Extend("ssl", "ON");
 612                         }
 613
 614                         session->status = ISSL_OPEN;
 615
 616                         MakePollWrite(session);
 617
 618                         return true;
 619                 }
 620         }
 621
 622         virtual void OnGlobalConnect(userrec* user)
 623         {
 624                 // This occurs AFTER OnUserConnect so we can be sure the
 625                 // protocol module has propogated the NICK message.
 626                 if ((user->GetExt("ssl", dummy)) && (IS_LOCAL(user)))
 627                 {
 628                         // Tell whatever protocol module we're using that we need to inform other servers of this metadata NOW.
 629                         std::deque<std::string>* metadata = new std::deque<std::string>;
 630                         metadata->push_back(user->nick);
 631                         metadata->push_back("ssl");             // The metadata id
 632                         metadata->push_back("ON");              // The value to send
 633                         Event* event = new Event((char*)metadata,(Module*)this,"send_metadata");
 634                         event->Send();                          // Trigger the event. We don't care what module picks it up.
 635                         DELETE(event);
 636                         DELETE(metadata);
 637                 }
 638         }
 639
 640         void MakePollWrite(issl_session* session)
 641         {
 642                 OnRawSocketWrite(session->fd, NULL, 0);
 643         }
 644
 645         void CloseSession(issl_session* session)
 646         {
 647                 if(session->sess)
 648                 {
 649                         SSL_shutdown(session->sess);
 650                         SSL_free(session->sess);
 651                 }
 652
 653                 if(session->inbuf)
 654                 {
 655                         delete[] session->inbuf;
 656                 }
 657
 658                 session->outbuf.clear();
 659                 session->inbuf = NULL;
 660                 session->sess = NULL;
 661                 session->status = ISSL_NONE;
 662         }
 663 };
 664
 665 class ModuleSSLOpenSSLFactory : public ModuleFactory
 666 {
 667  public:
 668         ModuleSSLOpenSSLFactory()
 669         {
 670         }
 671
 672         ~ModuleSSLOpenSSLFactory()
 673         {
 674         }
 675
 676         virtual Module * CreateModule(Server* Me)
 677         {
 678                 return new ModuleSSLOpenSSL(Me);
 679         }
 680 };
 681
 682
 683 extern "C" void * init_module( void )
 684 {
 685         return new ModuleSSLOpenSSLFactory;
 686 }