lib/gnutlsxx.cpp

   1 /*
   2  * Copyright (C) 2006-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * The GnuTLS is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  20  *
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 # include <config.h>
  25 #endif
  26
  27 #include <gnutls/gnutlsxx.h>
  28
  29 namespace gnutls
  30 {
  31
  32   inline static int RETWRAP (int ret)
  33   {
  34     if (ret < 0)
  35       throw (exception (ret));
  36     return ret;
  37   }
  38
  39   session::session (unsigned int flags)
  40   {
  41     RETWRAP (gnutls_init (&s, flags));
  42   }
  43
  44   session::~session ()
  45   {
  46     gnutls_deinit (s);
  47   }
  48
  49   int session::bye (gnutls_close_request_t how)
  50   {
  51     return RETWRAP (gnutls_bye (s, how));
  52   }
  53
  54   int session::handshake ()
  55   {
  56     return RETWRAP (gnutls_handshake (s));
  57   }
  58
  59   server_session::server_session ():session (GNUTLS_SERVER)
  60   {
  61   }
  62
  63   server_session::~server_session ()
  64   {
  65   }
  66
  67   int server_session::rehandshake ()
  68   {
  69     return RETWRAP (gnutls_rehandshake (s));
  70   }
  71
  72   gnutls_alert_description_t session::get_alert () const
  73   {
  74     return gnutls_alert_get (s);
  75   }
  76
  77   int session::send_alert (gnutls_alert_level_t level,
  78                            gnutls_alert_description_t desc)
  79   {
  80     return RETWRAP (gnutls_alert_send (s, level, desc));
  81   }
  82
  83   int session::send_appropriate_alert (int err)
  84   {
  85     return RETWRAP (gnutls_alert_send_appropriate (s, err));
  86   }
  87
  88   gnutls_cipher_algorithm_t session::get_cipher () const
  89   {
  90     return gnutls_cipher_get (s);
  91   }
  92
  93   gnutls_kx_algorithm_t session::get_kx () const
  94   {
  95     return gnutls_kx_get (s);
  96   }
  97
  98   gnutls_mac_algorithm_t session::get_mac () const
  99   {
 100     return gnutls_mac_get (s);
 101   }
 102
 103   gnutls_compression_method_t session::get_compression () const
 104   {
 105     return gnutls_compression_get (s);
 106   }
 107
 108   gnutls_certificate_type_t session::get_certificate_type () const
 109   {
 110     return gnutls_certificate_type_get (s);
 111   }
 112
 113   void session::set_private_extensions (bool allow)
 114   {
 115     gnutls_handshake_set_private_extensions (s, (int) allow);
 116   }
 117
 118   gnutls_handshake_description_t session::get_handshake_last_out () const
 119   {
 120     return gnutls_handshake_get_last_out (s);
 121   }
 122
 123   gnutls_handshake_description_t session::get_handshake_last_in () const
 124   {
 125     return gnutls_handshake_get_last_in (s);
 126   }
 127
 128   ssize_t session::send (const void *data, size_t sizeofdata)
 129   {
 130     return RETWRAP (gnutls_record_send (s, data, sizeofdata));
 131   }
 132
 133   ssize_t session::recv (void *data, size_t sizeofdata)
 134   {
 135     return RETWRAP (gnutls_record_recv (s, data, sizeofdata));
 136   }
 137
 138   bool session::get_record_direction () const
 139   {
 140     return gnutls_record_get_direction (s);
 141   }
 142
 143   // maximum packet size
 144   size_t session::get_max_size () const
 145   {
 146     return gnutls_record_get_max_size (s);
 147   }
 148
 149   void session::set_max_size (size_t size)
 150   {
 151     RETWRAP (gnutls_record_set_max_size (s, size));
 152   }
 153
 154   size_t session::check_pending () const
 155   {
 156     return gnutls_record_check_pending (s);
 157   }
 158
 159
 160   void session::prf (size_t label_size, const char *label,
 161                      int server_random_first,
 162                      size_t extra_size, const char *extra,
 163                      size_t outsize, char *out)
 164   {
 165     RETWRAP (gnutls_prf (s, label_size, label, server_random_first,
 166                          extra_size, extra, outsize, out));
 167   }
 168
 169   void session::prf_raw (size_t label_size, const char *label,
 170                          size_t seed_size, const char *seed,
 171                          size_t outsize, char *out)
 172   {
 173     RETWRAP (gnutls_prf_raw
 174              (s, label_size, label, seed_size, seed, outsize, out));
 175   }
 176
 177
 178 /* if you just want some defaults, use the following.
 179  */
 180   void session::set_priority (const char *prio, const char **err_pos)
 181   {
 182     RETWRAP (gnutls_priority_set_direct (s, prio, err_pos));
 183   }
 184
 185   void session::set_priority (gnutls_priority_t p)
 186   {
 187     RETWRAP (gnutls_priority_set (s, p));
 188   }
 189
 190   gnutls_protocol_t session::get_protocol_version () const
 191   {
 192     return gnutls_protocol_get_version (s);
 193   }
 194
 195   void session::set_data (const void *session_data, size_t session_data_size)
 196   {
 197     RETWRAP (gnutls_session_set_data (s, session_data, session_data_size));
 198   }
 199
 200   void session::get_data (void *session_data, size_t * session_data_size) const
 201   {
 202     RETWRAP (gnutls_session_get_data (s, session_data, session_data_size));
 203   }
 204
 205   void session::get_data (gnutls_session_t session, gnutls_datum_t & data) const
 206   {
 207     RETWRAP (gnutls_session_get_data2 (s, &data));
 208
 209   }
 210
 211   void session::get_id (void *session_id, size_t * session_id_size) const
 212   {
 213     RETWRAP (gnutls_session_get_id (s, session_id, session_id_size));
 214   }
 215
 216   bool session::is_resumed () const
 217   {
 218     int ret = gnutls_session_is_resumed (s);
 219
 220       return (ret != 0);
 221   }
 222
 223   bool session::get_peers_certificate (std::vector < gnutls_datum_t >
 224                                        &out_certs) const
 225   {
 226     const gnutls_datum_t *certs;
 227     unsigned int certs_size;
 228
 229       certs = gnutls_certificate_get_peers (s, &certs_size);
 230
 231     if (certs == NULL)
 232       return false;
 233
 234     for (unsigned int i = 0; i < certs_size; i++)
 235       out_certs.push_back (certs[i]);
 236
 237       return true;
 238   }
 239
 240   bool session::get_peers_certificate (const gnutls_datum_t ** certs,
 241                                        unsigned int *certs_size) const
 242   {
 243     *certs = gnutls_certificate_get_peers (s, certs_size);
 244
 245     if (*certs == NULL)
 246       return false;
 247     return true;
 248   }
 249
 250   void session::get_our_certificate (gnutls_datum_t & cert) const
 251   {
 252     const gnutls_datum_t *d;
 253
 254       d = gnutls_certificate_get_ours (s);
 255     if (d == NULL)
 256       throw (exception (GNUTLS_E_INVALID_REQUEST));
 257       cert = *d;
 258   }
 259
 260   time_t session::get_peers_certificate_activation_time () const
 261   {
 262     return gnutls_certificate_activation_time_peers (s);
 263   }
 264
 265   time_t session::get_peers_certificate_expiration_time () const
 266   {
 267     return gnutls_certificate_expiration_time_peers (s);
 268   }
 269   void session::verify_peers_certificate (unsigned int &status) const
 270   {
 271     RETWRAP (gnutls_certificate_verify_peers2 (s, &status));
 272   }
 273
 274
 275   client_session::client_session ():session (GNUTLS_CLIENT)
 276   {
 277   }
 278
 279   client_session::~client_session ()
 280   {
 281   }
 282
 283 // client session
 284   void client_session::set_server_name (gnutls_server_name_type_t type,
 285                                         const void *name, size_t name_length)
 286   {
 287     RETWRAP (gnutls_server_name_set (s, type, name, name_length));
 288   }
 289
 290   bool client_session::get_request_status ()
 291   {
 292     return RETWRAP (gnutls_certificate_client_get_request_status (s));
 293   }
 294
 295 // server_session
 296   void server_session::get_server_name (void *data, size_t * data_length,
 297                                         unsigned int *type,
 298                                         unsigned int indx) const
 299   {
 300     RETWRAP (gnutls_server_name_get (s, data, data_length, type, indx));
 301   }
 302
 303 // internal DB stuff
 304   static int store_function (void *_db, gnutls_datum_t key,
 305                              gnutls_datum_t data)
 306   {
 307     try
 308     {
 309       DB *db = static_cast < DB * >(_db);
 310
 311       if (db->store (key, data) == false)
 312         return -1;
 313     }
 314     catch (...)
 315     {
 316       return -1;
 317     }
 318
 319     return 0;
 320   }
 321
 322   const static gnutls_datum_t null_datum = { NULL, 0 };
 323
 324   static gnutls_datum_t retrieve_function (void *_db, gnutls_datum_t key)
 325   {
 326     gnutls_datum_t data;
 327
 328     try
 329     {
 330       DB *db = static_cast < DB * >(_db);
 331
 332       if (db->retrieve (key, data) == false)
 333         return null_datum;
 334
 335     }
 336     catch (...)
 337     {
 338       return null_datum;
 339     }
 340
 341     return data;
 342   }
 343
 344   static int remove_function (void *_db, gnutls_datum_t key)
 345   {
 346     try
 347     {
 348       DB *db = static_cast < DB * >(_db);
 349
 350       if (db->remove (key) == false)
 351         return -1;
 352     }
 353     catch (...)
 354     {
 355       return -1;
 356     }
 357
 358     return 0;
 359   }
 360
 361   void server_session::set_db (const DB & db)
 362   {
 363     gnutls_db_set_ptr (s, const_cast < DB * >(&db));
 364     gnutls_db_set_store_function (s, store_function);
 365     gnutls_db_set_retrieve_function (s, retrieve_function);
 366     gnutls_db_set_remove_function (s, remove_function);
 367   }
 368
 369   void server_session::set_db_cache_expiration (unsigned int seconds)
 370   {
 371     gnutls_db_set_cache_expiration (s, seconds);
 372   }
 373
 374   void server_session::db_remove () const
 375   {
 376     gnutls_db_remove_session (s);
 377   }
 378
 379   bool server_session::db_check_entry (gnutls_datum_t & session_data) const
 380   {
 381     int ret = gnutls_db_check_entry (s, session_data);
 382
 383     if (ret != 0)
 384       return true;
 385     return false;
 386   }
 387
 388   void session::set_max_handshake_packet_length (size_t max)
 389   {
 390     gnutls_handshake_set_max_packet_length (s, max);
 391   }
 392
 393   void session::clear_credentials ()
 394   {
 395     gnutls_credentials_clear (s);
 396   }
 397
 398   void session::set_credentials (credentials & cred)
 399   {
 400     RETWRAP (gnutls_credentials_set (s, cred.get_type (), cred.ptr ()));
 401   }
 402
 403   const char *server_session::get_srp_username () const
 404   {
 405 #ifdef ENABLE_SRP
 406     return gnutls_srp_server_get_username (s);
 407 #else
 408     return NULL;
 409 #endif
 410   }
 411
 412   const char *server_session::get_psk_username () const
 413   {
 414     return gnutls_psk_server_get_username (s);
 415   }
 416
 417
 418   void session::set_transport_ptr (gnutls_transport_ptr_t ptr)
 419   {
 420     gnutls_transport_set_ptr (s, ptr);
 421   }
 422
 423   void session::set_transport_ptr (gnutls_transport_ptr_t recv_ptr,
 424                                    gnutls_transport_ptr_t send_ptr)
 425   {
 426     gnutls_transport_set_ptr2 (s, recv_ptr, send_ptr);
 427   }
 428
 429
 430   gnutls_transport_ptr_t session::get_transport_ptr () const
 431   {
 432     return gnutls_transport_get_ptr (s);
 433   }
 434
 435   void session::get_transport_ptr (gnutls_transport_ptr_t & recv_ptr,
 436                                    gnutls_transport_ptr_t & send_ptr) const
 437   {
 438     gnutls_transport_get_ptr2 (s, &recv_ptr, &send_ptr);
 439   }
 440
 441   void session::set_transport_lowat (size_t num)
 442   {
 443     throw (exception (GNUTLS_E_UNIMPLEMENTED_FEATURE));
 444   }
 445
 446   void session::set_transport_push_function (gnutls_push_func push_func)
 447   {
 448     gnutls_transport_set_push_function (s, push_func);
 449   }
 450
 451   void session::set_transport_vec_push_function (gnutls_vec_push_func vec_push_func)
 452   {
 453     gnutls_transport_set_vec_push_function (s, vec_push_func);
 454   }
 455
 456   void session::set_transport_pull_function (gnutls_pull_func pull_func)
 457   {
 458     gnutls_transport_set_pull_function (s, pull_func);
 459   }
 460
 461   void session::set_user_ptr (void *ptr)
 462   {
 463     gnutls_session_set_ptr (s, ptr);
 464   }
 465
 466   void *session::get_user_ptr () const
 467   {
 468     return gnutls_session_get_ptr (s);
 469   }
 470
 471   void session::send_openpgp_cert (gnutls_openpgp_crt_status_t status)
 472   {
 473 #ifdef ENABLE_OPENPGP
 474     gnutls_openpgp_send_cert (s, status);
 475 #endif
 476   }
 477
 478   void session::set_dh_prime_bits (unsigned int bits)
 479   {
 480     gnutls_dh_set_prime_bits (s, bits);
 481   }
 482
 483   unsigned int session::get_dh_secret_bits () const
 484   {
 485     return RETWRAP (gnutls_dh_get_secret_bits (s));
 486   }
 487
 488   unsigned int session::get_dh_peers_public_bits () const
 489   {
 490     return RETWRAP (gnutls_dh_get_peers_public_bits (s));
 491   }
 492
 493   unsigned int session::get_dh_prime_bits () const
 494   {
 495     return RETWRAP (gnutls_dh_get_prime_bits (s));
 496   }
 497
 498   void session::get_dh_group (gnutls_datum_t & gen,
 499                               gnutls_datum_t & prime) const
 500   {
 501     RETWRAP (gnutls_dh_get_group (s, &gen, &prime));
 502   }
 503
 504   void session::get_dh_pubkey (gnutls_datum_t & raw_key) const
 505   {
 506     RETWRAP (gnutls_dh_get_pubkey (s, &raw_key));
 507   }
 508
 509   void session::get_rsa_export_pubkey (gnutls_datum_t & exponent,
 510                                        gnutls_datum_t & modulus) const
 511   {
 512     RETWRAP (gnutls_rsa_export_get_pubkey (s, &exponent, &modulus));
 513   }
 514
 515   unsigned int session::get_rsa_export_modulus_bits () const
 516   {
 517     return RETWRAP (gnutls_rsa_export_get_modulus_bits (s));
 518   }
 519
 520   void server_session::
 521     set_certificate_request (gnutls_certificate_request_t req)
 522   {
 523     gnutls_certificate_server_set_request (s, req);
 524   }
 525
 526   gnutls_credentials_type_t session::get_auth_type () const
 527   {
 528     return gnutls_auth_get_type (s);
 529   }
 530
 531   gnutls_credentials_type_t session::get_server_auth_type () const
 532   {
 533     return gnutls_auth_server_get_type (s);
 534   }
 535
 536   gnutls_credentials_type_t session::get_client_auth_type () const
 537   {
 538     return gnutls_auth_client_get_type (s);
 539   }
 540
 541
 542   certificate_credentials::~certificate_credentials ()
 543   {
 544     gnutls_certificate_free_credentials (cred);
 545   }
 546
 547   certificate_credentials::certificate_credentials ():credentials
 548     (GNUTLS_CRD_CERTIFICATE)
 549   {
 550     RETWRAP (gnutls_certificate_allocate_credentials (&cred));
 551     set_ptr (cred);
 552   }
 553
 554   void certificate_server_credentials::
 555     set_params_function (gnutls_params_function * func)
 556   {
 557     gnutls_certificate_set_params_function (cred, func);
 558   }
 559
 560   anon_server_credentials::anon_server_credentials ():credentials
 561     (GNUTLS_CRD_ANON)
 562   {
 563     RETWRAP (gnutls_anon_allocate_server_credentials (&cred));
 564     set_ptr (cred);
 565   }
 566
 567   anon_server_credentials::~anon_server_credentials ()
 568   {
 569     gnutls_anon_free_server_credentials (cred);
 570   }
 571
 572   void anon_server_credentials::set_dh_params (const dh_params & params)
 573   {
 574     gnutls_anon_set_server_dh_params (cred, params.get_params_t ());
 575   }
 576
 577   void anon_server_credentials::set_params_function (gnutls_params_function *
 578                                                      func)
 579   {
 580     gnutls_anon_set_server_params_function (cred, func);
 581   }
 582
 583   anon_client_credentials::anon_client_credentials ():credentials
 584     (GNUTLS_CRD_ANON)
 585   {
 586     RETWRAP (gnutls_anon_allocate_client_credentials (&cred));
 587     set_ptr (cred);
 588   }
 589
 590   anon_client_credentials::~anon_client_credentials ()
 591   {
 592     gnutls_anon_free_client_credentials (cred);
 593   }
 594
 595   void certificate_credentials::free_keys ()
 596   {
 597     gnutls_certificate_free_keys (cred);
 598   }
 599
 600   void certificate_credentials::free_cas ()
 601   {
 602     gnutls_certificate_free_cas (cred);
 603   }
 604
 605   void certificate_credentials::free_ca_names ()
 606   {
 607     gnutls_certificate_free_ca_names (cred);
 608   }
 609
 610   void certificate_credentials::free_crls ()
 611   {
 612     gnutls_certificate_free_crls (cred);
 613   }
 614
 615
 616   void certificate_credentials::set_dh_params (const dh_params & params)
 617   {
 618     gnutls_certificate_set_dh_params (cred, params.get_params_t ());
 619   }
 620
 621   void certificate_credentials::
 622     set_rsa_export_params (const rsa_params & params)
 623   {
 624     gnutls_certificate_set_rsa_export_params (cred, params.get_params_t ());
 625   }
 626
 627   void certificate_credentials::set_verify_flags (unsigned int flags)
 628   {
 629     gnutls_certificate_set_verify_flags (cred, flags);
 630   }
 631
 632   void certificate_credentials::set_verify_limits (unsigned int max_bits,
 633                                                    unsigned int max_depth)
 634   {
 635     gnutls_certificate_set_verify_limits (cred, max_bits, max_depth);
 636   }
 637
 638   void certificate_credentials::set_x509_trust_file (const char *cafile,
 639                                                      gnutls_x509_crt_fmt_t
 640                                                      type)
 641   {
 642     RETWRAP (gnutls_certificate_set_x509_trust_file (cred, cafile, type));
 643   }
 644
 645   void certificate_credentials::set_x509_trust (const gnutls_datum_t & CA,
 646                                                 gnutls_x509_crt_fmt_t type)
 647   {
 648     RETWRAP (gnutls_certificate_set_x509_trust_mem (cred, &CA, type));
 649   }
 650
 651
 652   void certificate_credentials::set_x509_crl_file (const char *crlfile,
 653                                                    gnutls_x509_crt_fmt_t type)
 654   {
 655     RETWRAP (gnutls_certificate_set_x509_crl_file (cred, crlfile, type));
 656   }
 657
 658   void certificate_credentials::set_x509_crl (const gnutls_datum_t & CRL,
 659                                               gnutls_x509_crt_fmt_t type)
 660   {
 661     RETWRAP (gnutls_certificate_set_x509_crl_mem (cred, &CRL, type));
 662   }
 663
 664   void certificate_credentials::set_x509_key_file (const char *certfile,
 665                                                    const char *keyfile,
 666                                                    gnutls_x509_crt_fmt_t type)
 667   {
 668     RETWRAP (gnutls_certificate_set_x509_key_file
 669              (cred, certfile, keyfile, type));
 670   }
 671
 672   void certificate_credentials::set_x509_key (const gnutls_datum_t & CERT,
 673                                               const gnutls_datum_t & KEY,
 674                                               gnutls_x509_crt_fmt_t type)
 675   {
 676     RETWRAP (gnutls_certificate_set_x509_key_mem (cred, &CERT, &KEY, type));
 677   }
 678
 679   void certificate_credentials::
 680     set_simple_pkcs12_file (const char *pkcs12file,
 681                             gnutls_x509_crt_fmt_t type, const char *password)
 682   {
 683     RETWRAP (gnutls_certificate_set_x509_simple_pkcs12_file
 684              (cred, pkcs12file, type, password));
 685   }
 686
 687   void certificate_credentials::set_x509_key (gnutls_x509_crt_t * cert_list,
 688                                               int cert_list_size,
 689                                               gnutls_x509_privkey_t key)
 690   {
 691     RETWRAP (gnutls_certificate_set_x509_key
 692              (cred, cert_list, cert_list_size, key));
 693   }
 694
 695   void certificate_credentials::set_x509_trust (gnutls_x509_crt_t * ca_list,
 696                                                 int ca_list_size)
 697   {
 698     RETWRAP (gnutls_certificate_set_x509_trust (cred, ca_list, ca_list_size));
 699   }
 700
 701   void certificate_credentials::set_x509_crl (gnutls_x509_crl_t * crl_list,
 702                                               int crl_list_size)
 703   {
 704     RETWRAP (gnutls_certificate_set_x509_crl (cred, crl_list, crl_list_size));
 705   }
 706
 707   void certificate_credentials::
 708     set_retrieve_function (gnutls_certificate_retrieve_function * func)
 709   {
 710     gnutls_certificate_set_retrieve_function (cred, func);
 711   }
 712
 713 // SRP
 714
 715 #ifdef ENABLE_SRP
 716
 717   srp_server_credentials::srp_server_credentials ():credentials
 718     (GNUTLS_CRD_SRP)
 719   {
 720     RETWRAP (gnutls_srp_allocate_server_credentials (&cred));
 721     set_ptr (cred);
 722   }
 723
 724   srp_server_credentials::~srp_server_credentials ()
 725   {
 726     gnutls_srp_free_server_credentials (cred);
 727   }
 728
 729   srp_client_credentials::srp_client_credentials ():credentials
 730     (GNUTLS_CRD_SRP)
 731   {
 732     RETWRAP (gnutls_srp_allocate_client_credentials (&cred));
 733     set_ptr (cred);
 734   }
 735
 736   srp_client_credentials::~srp_client_credentials ()
 737   {
 738     gnutls_srp_free_client_credentials (cred);
 739   }
 740
 741   void srp_client_credentials::set_credentials (const char *username,
 742                                                 const char *password)
 743   {
 744     RETWRAP (gnutls_srp_set_client_credentials (cred, username, password));
 745   }
 746
 747   void srp_server_credentials::
 748     set_credentials_file (const char *password_file,
 749                           const char *password_conf_file)
 750   {
 751     RETWRAP (gnutls_srp_set_server_credentials_file
 752              (cred, password_file, password_conf_file));
 753   }
 754
 755   void srp_server_credentials::
 756     set_credentials_function (gnutls_srp_server_credentials_function * func)
 757   {
 758     gnutls_srp_set_server_credentials_function (cred, func);
 759   }
 760
 761   void srp_client_credentials::
 762     set_credentials_function (gnutls_srp_client_credentials_function * func)
 763   {
 764     gnutls_srp_set_client_credentials_function (cred, func);
 765   }
 766
 767 #endif /* ENABLE_SRP */
 768
 769 // PSK
 770
 771 psk_server_credentials::psk_server_credentials ():credentials
 772     (GNUTLS_CRD_PSK)
 773   {
 774     RETWRAP (gnutls_psk_allocate_server_credentials (&cred));
 775     set_ptr (cred);
 776   }
 777
 778   psk_server_credentials::~psk_server_credentials ()
 779   {
 780     gnutls_psk_free_server_credentials (cred);
 781   }
 782
 783   void psk_server_credentials::
 784     set_credentials_file (const char *password_file)
 785   {
 786     RETWRAP (gnutls_psk_set_server_credentials_file (cred, password_file));
 787   }
 788
 789   void psk_server_credentials::
 790     set_credentials_function (gnutls_psk_server_credentials_function * func)
 791   {
 792     gnutls_psk_set_server_credentials_function (cred, func);
 793   }
 794
 795   void psk_server_credentials::set_dh_params (const dh_params & params)
 796   {
 797     gnutls_psk_set_server_dh_params (cred, params.get_params_t ());
 798   }
 799
 800   void psk_server_credentials::set_params_function (gnutls_params_function *
 801                                                     func)
 802   {
 803     gnutls_psk_set_server_params_function (cred, func);
 804   }
 805
 806   psk_client_credentials::psk_client_credentials ():credentials
 807     (GNUTLS_CRD_PSK)
 808   {
 809     RETWRAP (gnutls_psk_allocate_client_credentials (&cred));
 810     set_ptr (cred);
 811   }
 812
 813   psk_client_credentials::~psk_client_credentials ()
 814   {
 815     gnutls_psk_free_client_credentials (cred);
 816   }
 817
 818   void psk_client_credentials::set_credentials (const char *username,
 819                                                 const gnutls_datum_t & key,
 820                                                 gnutls_psk_key_flags flags)
 821   {
 822     RETWRAP (gnutls_psk_set_client_credentials (cred, username, &key, flags));
 823   }
 824
 825   void psk_client_credentials::
 826     set_credentials_function (gnutls_psk_client_credentials_function * func)
 827   {
 828     gnutls_psk_set_client_credentials_function (cred, func);
 829   }
 830
 831   credentials::credentials (gnutls_credentials_type_t t):type (t),
 832     cred (NULL)
 833   {
 834   }
 835
 836   gnutls_credentials_type_t credentials::get_type () const
 837   {
 838     return type;
 839   }
 840
 841   void *credentials::ptr () const
 842   {
 843     return cred;
 844   }
 845
 846   void credentials::set_ptr (void *ptr)
 847   {
 848     cred = ptr;
 849   }
 850
 851   exception::exception (int x)
 852   {
 853     retcode = x;
 854   }
 855
 856   int exception::get_code ()
 857   {
 858     return retcode;
 859   }
 860
 861   const char *exception::what () const throw ()
 862   {
 863     return gnutls_strerror (retcode);
 864   }
 865
 866   dh_params::dh_params ()
 867   {
 868     RETWRAP (gnutls_dh_params_init (&params));
 869   }
 870
 871   dh_params::~dh_params ()
 872   {
 873     gnutls_dh_params_deinit (params);
 874   }
 875
 876   void dh_params::import_raw (const gnutls_datum_t & prime,
 877                               const gnutls_datum_t & generator)
 878   {
 879     RETWRAP (gnutls_dh_params_import_raw (params, &prime, &generator));
 880   }
 881
 882   void dh_params::import_pkcs3 (const gnutls_datum_t & pkcs3_params,
 883                                 gnutls_x509_crt_fmt_t format)
 884   {
 885     RETWRAP (gnutls_dh_params_import_pkcs3 (params, &pkcs3_params, format));
 886   }
 887
 888   void dh_params::generate (unsigned int bits)
 889   {
 890     RETWRAP (gnutls_dh_params_generate2 (params, bits));
 891   }
 892
 893   void dh_params::export_pkcs3 (gnutls_x509_crt_fmt_t format,
 894                                 unsigned char *params_data,
 895                                 size_t * params_data_size)
 896   {
 897     RETWRAP (gnutls_dh_params_export_pkcs3
 898              (params, format, params_data, params_data_size));
 899   }
 900
 901   void dh_params::export_raw (gnutls_datum_t & prime,
 902                               gnutls_datum_t & generator)
 903   {
 904     RETWRAP (gnutls_dh_params_export_raw (params, &prime, &generator, NULL));
 905   }
 906
 907   gnutls_dh_params_t dh_params::get_params_t () const
 908   {
 909     return params;
 910   }
 911
 912   dh_params & dh_params::operator= (const dh_params & src)
 913   {
 914     dh_params *dst = new dh_params;
 915     int ret;
 916
 917     ret = gnutls_dh_params_cpy (dst->params, src.params);
 918
 919     if (ret < 0)
 920       {
 921         delete dst;
 922         throw (exception (ret));
 923       }
 924
 925     return *dst;
 926   }
 927
 928 // RSA
 929
 930   rsa_params::rsa_params ()
 931   {
 932     RETWRAP (gnutls_rsa_params_init (&params));
 933   }
 934
 935   rsa_params::~rsa_params ()
 936   {
 937     gnutls_rsa_params_deinit (params);
 938   }
 939
 940   void rsa_params::import_pkcs1 (const gnutls_datum_t & pkcs1_params,
 941                                  gnutls_x509_crt_fmt_t format)
 942   {
 943     RETWRAP (gnutls_rsa_params_import_pkcs1 (params, &pkcs1_params, format));
 944   }
 945
 946   void rsa_params::generate (unsigned int bits)
 947   {
 948     RETWRAP (gnutls_rsa_params_generate2 (params, bits));
 949   }
 950
 951   void rsa_params::export_pkcs1 (gnutls_x509_crt_fmt_t format,
 952                                  unsigned char *params_data,
 953                                  size_t * params_data_size)
 954   {
 955     RETWRAP (gnutls_rsa_params_export_pkcs1
 956              (params, format, params_data, params_data_size));
 957   }
 958
 959   gnutls_rsa_params_t rsa_params::get_params_t () const
 960   {
 961     return params;
 962   }
 963
 964   rsa_params & rsa_params::operator= (const rsa_params & src)
 965   {
 966     rsa_params *dst = new rsa_params;
 967     int ret;
 968
 969     ret = gnutls_rsa_params_cpy (dst->params, src.params);
 970
 971     if (ret < 0)
 972       {
 973         delete dst;
 974         throw (exception (ret));
 975       }
 976
 977     return *dst;
 978   }
 979
 980   void rsa_params::import_raw (const gnutls_datum_t & m,
 981                                const gnutls_datum_t & e,
 982                                const gnutls_datum_t & d,
 983                                const gnutls_datum_t & p,
 984                                const gnutls_datum_t & q,
 985                                const gnutls_datum_t & u)
 986   {
 987
 988     RETWRAP (gnutls_rsa_params_import_raw (params, &m, &e, &d, &p, &q, &u));
 989   }
 990
 991
 992   void rsa_params::export_raw (gnutls_datum_t & m, gnutls_datum_t & e,
 993                                gnutls_datum_t & d, gnutls_datum_t & p,
 994                                gnutls_datum_t & q, gnutls_datum_t & u)
 995   {
 996     RETWRAP (gnutls_rsa_params_export_raw
 997              (params, &m, &e, &d, &p, &q, &u, NULL));
 998   }
 999
1000 }                               // namespace gnutls