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