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
  13 #include "socket.h"
  14 #include "hashcomp.h"
  15 #include "inspircd.h"
  16
  17 #include "ssl_cert.h"
  18
  19 /* $ModDesc: Provides SSL support for clients */
  20 /* $CompileFlags: -I/usr/include -I/usr/local/include */
  21 /* $LinkerFlags: -L/usr/local/lib -Wl,--rpath -Wl,/usr/local/lib -L/usr/lib -Wl,--rpath -Wl,/usr/lib -lssl */
  22
  23
  24
  25 enum issl_status { ISSL_NONE, ISSL_HANDSHAKING, ISSL_OPEN };
  26 enum issl_io_status { ISSL_WRITE, ISSL_READ };
  27
  28 bool isin(int port, const std::vector<int> &portlist)
  29 {
  30         for(unsigned int i = 0; i < portlist.size(); i++)
  31                 if(portlist[i] == port)
  32                         return true;
  33
  34         return false;
  35 }
  36
  37 char* get_error()
  38 {
  39         return ERR_error_string(ERR_get_error(), NULL);
  40 }
  41
  42 class issl_session : public classbase
  43 {
  44 public:
  45         SSL* sess;
  46         issl_status status;
  47         issl_io_status rstat;
  48         issl_io_status wstat;
  49
  50         unsigned int inbufoffset;
  51         char* inbuf;                    // Buffer OpenSSL reads into.
  52         std::string outbuf;     // Buffer for outgoing data that OpenSSL will not take.
  53         int fd;
  54
  55         issl_session()
  56         {
  57                 rstat = ISSL_READ;
  58                 wstat = ISSL_WRITE;
  59         }
  60 };
  61
  62 class ModuleSSLOpenSSL : public Module
  63 {
  64
  65         ConfigReader* Conf;
  66
  67         CullList* culllist;
  68
  69         std::vector<int> listenports;
  70
  71         int inbufsize;
  72         issl_session sessions[MAX_DESCRIPTORS];
  73
  74         SSL_CTX* ctx;
  75
  76         char* dummy;
  77
  78         std::string keyfile;
  79         std::string certfile;
  80         std::string cafile;
  81         // std::string crlfile;
  82         std::string dhfile;
  83
  84  public:
  85
  86         ModuleSSLOpenSSL(InspIRCd* Me)
  87                 : Module::Module(Me)
  88         {
  89
  90
  91                 culllist = new CullList(ServerInstance);
  92
  93                 // Not rehashable...because I cba to reduce all the sizes of existing buffers.
  94                 inbufsize = ServerInstance->Config->NetBufferSize;
  95
  96                 /* Global SSL library initialization*/
  97                 SSL_library_init();
  98                 SSL_load_error_strings();
  99
 100                 /* Build our SSL context*/
 101                 ctx = SSL_CTX_new( SSLv23_server_method() );
 102
 103                 // Needs the flag as it ignores a plain /rehash
 104                 OnRehash("ssl");
 105         }
 106
 107         virtual void OnRehash(const std::string &param)
 108         {
 109                 if(param != "ssl")
 110                         return;
 111
 112                 Conf = new ConfigReader(ServerInstance);
 113
 114                 for(unsigned int i = 0; i < listenports.size(); i++)
 115                 {
 116                         ServerInstance->Config->DelIOHook(listenports[i]);
 117                 }
 118
 119                 listenports.clear();
 120
 121                 for(int i = 0; i < Conf->Enumerate("bind"); i++)
 122                 {
 123                         // For each <bind> tag
 124                         if(((Conf->ReadValue("bind", "type", i) == "") || (Conf->ReadValue("bind", "type", i) == "clients")) && (Conf->ReadValue("bind", "ssl", i) == "openssl"))
 125                         {
 126                                 // Get the port we're meant to be listening on with SSL
 127                                 unsigned int port = Conf->ReadInteger("bind", "port", i, true);
 128                                 if (ServerInstance->Config->AddIOHook(port, this))
 129                                 {
 130                                         // We keep a record of which ports we're listening on with SSL
 131                                         listenports.push_back(port);
 132
 133                                         ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Enabling SSL for port %d", port);
 134                                 }
 135                                 else
 136                                 {
 137                                         ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: FAILED to enable SSL on port %d, maybe you have another ssl or similar module loaded?", port);
 138                                 }
 139                         }
 140                 }
 141
 142                 std::string confdir(CONFIG_FILE);
 143                 // +1 so we the path ends with a /
 144                 confdir = confdir.substr(0, confdir.find_last_of('/') + 1);
 145
 146                 cafile  = Conf->ReadValue("openssl", "cafile", 0);
 147                 // crlfile      = Conf->ReadValue("openssl", "crlfile", 0);
 148                 certfile        = Conf->ReadValue("openssl", "certfile", 0);
 149                 keyfile = Conf->ReadValue("openssl", "keyfile", 0);
 150                 dhfile  = Conf->ReadValue("openssl", "dhfile", 0);
 151
 152                 // Set all the default values needed.
 153                 if(cafile == "")
 154                         cafile = "ca.pem";
 155
 156                 //if(crlfile == "")
 157                 //      crlfile = "crl.pem";
 158
 159                 if(certfile == "")
 160                         certfile = "cert.pem";
 161
 162                 if(keyfile == "")
 163                         keyfile = "key.pem";
 164
 165                 if(dhfile == "")
 166                         dhfile = "dhparams.pem";
 167
 168                 // Prepend relative paths with the path to the config directory.
 169                 if(cafile[0] != '/')
 170                         cafile = confdir + cafile;
 171
 172                 //if(crlfile[0] != '/')
 173                 //      crlfile = confdir + crlfile;
 174
 175                 if(certfile[0] != '/')
 176                         certfile = confdir + certfile;
 177
 178                 if(keyfile[0] != '/')
 179                         keyfile = confdir + keyfile;
 180
 181                 if(dhfile[0] != '/')
 182                         dhfile = confdir + dhfile;
 183
 184                 /* Load our keys and certificates*/
 185                 if(!SSL_CTX_use_certificate_chain_file(ctx, certfile.c_str()))
 186                 {
 187                         ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Can't read certificate file %s", certfile.c_str());
 188                 }
 189
 190                 if(!SSL_CTX_use_PrivateKey_file(ctx, keyfile.c_str(), SSL_FILETYPE_PEM))
 191                 {
 192                         ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Can't read key file %s", keyfile.c_str());
 193                 }
 194
 195                 /* Load the CAs we trust*/
 196                 if(!SSL_CTX_load_verify_locations(ctx, cafile.c_str(), 0))
 197                 {
 198                         ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Can't read CA list from ", cafile.c_str());
 199                 }
 200
 201                 FILE* dhpfile = fopen(dhfile.c_str(), "r");
 202                 DH* ret;
 203
 204                 if(dhpfile == NULL)
 205                 {
 206                         ServerInstance->Log(DEFAULT, "m_ssl_openssl.so Couldn't open DH file %s: %s", dhfile.c_str(), strerror(errno));
 207                         throw ModuleException();
 208                 }
 209                 else
 210                 {
 211                         ret = PEM_read_DHparams(dhpfile, NULL, NULL, NULL);
 212
 213                         if(SSL_CTX_set_tmp_dh(ctx, ret) < 0)
 214                         {
 215                                 ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Couldn't set DH parameters");
 216                         }
 217                 }
 218
 219                 fclose(dhpfile);
 220
 221                 DELETE(Conf);
 222         }
 223
 224         virtual ~ModuleSSLOpenSSL()
 225         {
 226                 SSL_CTX_free(ctx);
 227                 delete culllist;
 228         }
 229
 230         virtual void OnCleanup(int target_type, void* item)
 231         {
 232                 if(target_type == TYPE_USER)
 233                 {
 234                         userrec* user = (userrec*)item;
 235
 236                         if(user->GetExt("ssl", dummy) && IS_LOCAL(user) && isin(user->GetPort(), listenports))
 237                         {
 238                                 // User is using SSL, they're a local user, and they're using one of *our* SSL ports.
 239                                 // Potentially there could be multiple SSL modules loaded at once on different ports.
 240                                 ServerInstance->Log(DEBUG, "m_ssl_openssl.so: Adding user %s to cull list", user->nick);
 241                                 culllist->AddItem(user, "SSL module unloading");
 242                         }
 243                 }
 244         }
 245
 246         virtual void OnUnloadModule(Module* mod, const std::string &name)
 247         {
 248                 if(mod == this)
 249                 {
 250                         // We're being unloaded, kill all the users added to the cull list in OnCleanup
 251                         int numusers = culllist->Apply();
 252                         ServerInstance->Log(DEBUG, "m_ssl_openssl.so: Killed %d users for unload of OpenSSL SSL module", numusers);
 253
 254                         for(unsigned int i = 0; i < listenports.size(); i++)
 255                                 ServerInstance->Config->DelIOHook(listenports[i]);
 256                 }
 257         }
 258
 259         virtual Version GetVersion()
 260         {
 261                 return Version(1, 0, 0, 0, VF_VENDOR);
 262         }
 263
 264         void Implements(char* List)
 265         {
 266                 List[I_OnRawSocketAccept] = List[I_OnRawSocketClose] = List[I_OnRawSocketRead] = List[I_OnRawSocketWrite] = List[I_OnCleanup] = 1;
 267                 List[I_OnSyncUserMetaData] = List[I_OnDecodeMetaData] = List[I_OnUnloadModule] = List[I_OnRehash] = List[I_OnWhois] = List[I_OnPostConnect] = 1;
 268         }
 269
 270         virtual void OnRawSocketAccept(int fd, const std::string &ip, int localport)
 271         {
 272                 issl_session* session = &sessions[fd];
 273
 274                 session->fd = fd;
 275                 session->inbuf = new char[inbufsize];
 276                 session->inbufoffset = 0;
 277                 session->sess = SSL_new(ctx);
 278                 session->status = ISSL_NONE;
 279
 280                 if(session->sess == NULL)
 281                 {
 282                         ServerInstance->Log(DEBUG, "m_ssl.so: Couldn't create SSL object: %s", get_error());
 283                         return;
 284                 }
 285
 286                 if(SSL_set_fd(session->sess, fd) == 0)
 287                 {
 288                         ServerInstance->Log(DEBUG, "m_ssl.so: Couldn't set fd for SSL object: %s", get_error());
 289                         return;
 290                 }
 291
 292                 Handshake(session);
 293         }
 294
 295         virtual void OnRawSocketClose(int fd)
 296         {
 297                 ServerInstance->Log(DEBUG, "m_ssl_openssl.so: OnRawSocketClose: %d", fd);
 298                 CloseSession(&sessions[fd]);
 299         }
 300
 301         virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
 302         {
 303                 issl_session* session = &sessions[fd];
 304
 305                 if(!session->sess)
 306                 {
 307                         ServerInstance->Log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: No session to read from");
 308                         readresult = 0;
 309                         CloseSession(session);
 310                         return 1;
 311                 }
 312
 313                 ServerInstance->Log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead(%d, buffer, %u, %d)", fd, count, readresult);
 314
 315                 if(session->status == ISSL_HANDSHAKING)
 316                 {
 317                         if(session->rstat == ISSL_READ || session->wstat == ISSL_READ)
 318                         {
 319                                 // The handshake isn't finished and it wants to read, try to finish it.
 320                                 if(Handshake(session))
 321                                 {
 322                                         // Handshake successfully resumed.
 323                                         ServerInstance->Log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: successfully resumed handshake");
 324                                 }
 325                                 else
 326                                 {
 327                                         // Couldn't resume handshake.
 328                                         ServerInstance->Log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: failed to resume handshake");
 329                                         return -1;
 330                                 }
 331                         }
 332                         else
 333                         {
 334                                 ServerInstance->Log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: handshake wants to write data but we are currently reading");
 335                                 return -1;
 336                         }
 337                 }
 338
 339                 // If we resumed the handshake then session->status will be ISSL_OPEN
 340
 341                 if(session->status == ISSL_OPEN)
 342                 {
 343                         if(session->wstat == ISSL_READ)
 344                         {
 345                                 if(DoWrite(session) == 0)
 346                                         return 0;
 347                         }
 348
 349                         if(session->rstat == ISSL_READ)
 350                         {
 351                                 int ret = DoRead(session);
 352
 353                                 if(ret > 0)
 354                                 {
 355                                         if(count <= session->inbufoffset)
 356                                         {
 357                                                 memcpy(buffer, session->inbuf, count);
 358                                                 // Move the stuff left in inbuf to the beginning of it
 359                                                 memcpy(session->inbuf, session->inbuf + count, (session->inbufoffset - count));
 360                                                 // Now we need to set session->inbufoffset to the amount of data still waiting to be handed to insp.
 361                                                 session->inbufoffset -= count;
 362                                                 // Insp uses readresult as the count of how much data there is in buffer, so:
 363                                                 readresult = count;
 364                                         }
 365                                         else
 366                                         {
 367                                                 // There's not as much in the inbuf as there is space in the buffer, so just copy the whole thing.
 368                                                 memcpy(buffer, session->inbuf, session->inbufoffset);
 369
 370                                                 readresult = session->inbufoffset;
 371                                                 // Zero the offset, as there's nothing there..
 372                                                 session->inbufoffset = 0;
 373                                         }
 374
 375                                         return 1;
 376                                 }
 377                                 else
 378                                 {
 379                                         return ret;
 380                                 }
 381                         }
 382                 }
 383
 384                 return -1;
 385         }
 386
 387         virtual int OnRawSocketWrite(int fd, const char* buffer, int count)
 388         {
 389                 issl_session* session = &sessions[fd];
 390
 391                 if(!session->sess)
 392                 {
 393                         ServerInstance->Log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: No session to write to");
 394                         CloseSession(session);
 395                         return 1;
 396                 }
 397
 398                 ServerInstance->Log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: Adding %d bytes to the outgoing buffer", count);
 399                 session->outbuf.append(buffer, count);
 400
 401                 if(session->status == ISSL_HANDSHAKING)
 402                 {
 403                         // The handshake isn't finished, try to finish it.
 404                         if(session->rstat == ISSL_WRITE || session->wstat == ISSL_WRITE)
 405                         {
 406                                 if(Handshake(session))
 407                                 {
 408                                         // Handshake successfully resumed.
 409                                         ServerInstance->Log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: successfully resumed handshake");
 410                                 }
 411                                 else
 412                                 {
 413                                         // Couldn't resume handshake.
 414                                         ServerInstance->Log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: failed to resume handshake");
 415                                 }
 416                         }
 417                         else
 418                         {
 419                                 ServerInstance->Log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: handshake wants to read data but we are currently writing");
 420                         }
 421                 }
 422
 423                 if(session->status == ISSL_OPEN)
 424                 {
 425                         if(session->rstat == ISSL_WRITE)
 426                         {
 427                                 DoRead(session);
 428                         }
 429
 430                         if(session->wstat == ISSL_WRITE)
 431                         {
 432                                 return DoWrite(session);
 433                         }
 434                 }
 435
 436                 return 1;
 437         }
 438
 439         int DoWrite(issl_session* session)
 440         {
 441                 int ret = SSL_write(session->sess, session->outbuf.data(), session->outbuf.size());
 442
 443                 if(ret == 0)
 444                 {
 445                         ServerInstance->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                                 ServerInstance->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                                 ServerInstance->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                                 ServerInstance->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                         ServerInstance->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                 ServerInstance->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                         ServerInstance->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                                 ServerInstance->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                                 ServerInstance->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                                 ServerInstance->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                         ServerInstance->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                         source->WriteServ("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                                 ServerInstance->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                                 ServerInstance->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                                 ServerInstance->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                         ServerInstance->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 = ServerInstance->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 OnPostConnect(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(ServerInstance);            // 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         void VerifyCertificate(issl_session* session, userrec* user)
 664         {
 665
 666
 667
 668
 669         }
 670 };
 671
 672 class ModuleSSLOpenSSLFactory : public ModuleFactory
 673 {
 674  public:
 675         ModuleSSLOpenSSLFactory()
 676         {
 677         }
 678
 679         ~ModuleSSLOpenSSLFactory()
 680         {
 681         }
 682
 683         virtual Module * CreateModule(InspIRCd* Me)
 684         {
 685                 return new ModuleSSLOpenSSL(Me);
 686         }
 687 };
 688
 689
 690 extern "C" void * init_module( void )
 691 {
 692         return new ModuleSSLOpenSSLFactory;
 693 }