/*
* Copyright (C) 2006-2012 Free Software Foundation, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* The GnuTLS is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see
*
*/
#ifdef HAVE_CONFIG_H
# include
#endif
#include
namespace gnutls
{
inline static int RETWRAP (int ret)
{
if (ret < 0)
throw (exception (ret));
return ret;
}
session::session (unsigned int flags)
{
RETWRAP (gnutls_init (&s, flags));
}
session::~session ()
{
gnutls_deinit (s);
}
gnutls_session_t session::ptr()
{
return s;
}
int session::bye (gnutls_close_request_t how)
{
return RETWRAP (gnutls_bye (s, how));
}
int session::handshake ()
{
return RETWRAP (gnutls_handshake (s));
}
server_session::server_session ():session (GNUTLS_SERVER)
{
}
server_session::server_session (int flags):session (GNUTLS_SERVER |
(flags & ~GNUTLS_CLIENT))
{
}
server_session::~server_session ()
{
}
int server_session::rehandshake ()
{
return RETWRAP (gnutls_rehandshake (s));
}
gnutls_alert_description_t session::get_alert () const
{
return gnutls_alert_get (s);
}
int session::send_alert (gnutls_alert_level_t level,
gnutls_alert_description_t desc)
{
return RETWRAP (gnutls_alert_send (s, level, desc));
}
int session::send_appropriate_alert (int err)
{
return RETWRAP (gnutls_alert_send_appropriate (s, err));
}
gnutls_cipher_algorithm_t session::get_cipher () const
{
return gnutls_cipher_get (s);
}
gnutls_kx_algorithm_t session::get_kx () const
{
return gnutls_kx_get (s);
}
gnutls_mac_algorithm_t session::get_mac () const
{
return gnutls_mac_get (s);
}
gnutls_compression_method_t session::get_compression () const
{
return gnutls_compression_get (s);
}
gnutls_certificate_type_t session::get_certificate_type () const
{
return gnutls_certificate_type_get (s);
}
void session::set_private_extensions (bool allow)
{
gnutls_handshake_set_private_extensions (s, (int) allow);
}
gnutls_handshake_description_t session::get_handshake_last_out () const
{
return gnutls_handshake_get_last_out (s);
}
gnutls_handshake_description_t session::get_handshake_last_in () const
{
return gnutls_handshake_get_last_in (s);
}
ssize_t session::send (const void *data, size_t sizeofdata)
{
return RETWRAP (gnutls_record_send (s, data, sizeofdata));
}
ssize_t session::recv (void *data, size_t sizeofdata)
{
return RETWRAP (gnutls_record_recv (s, data, sizeofdata));
}
bool session::get_record_direction () const
{
return gnutls_record_get_direction (s);
}
// maximum packet size
size_t session::get_max_size () const
{
return gnutls_record_get_max_size (s);
}
void session::set_max_size (size_t size)
{
RETWRAP (gnutls_record_set_max_size (s, size));
}
size_t session::check_pending () const
{
return gnutls_record_check_pending (s);
}
void session::prf (size_t label_size, const char *label,
int server_random_first,
size_t extra_size, const char *extra,
size_t outsize, char *out)
{
RETWRAP (gnutls_prf (s, label_size, label, server_random_first,
extra_size, extra, outsize, out));
}
void session::prf_raw (size_t label_size, const char *label,
size_t seed_size, const char *seed,
size_t outsize, char *out)
{
RETWRAP (gnutls_prf_raw
(s, label_size, label, seed_size, seed, outsize, out));
}
/* if you just want some defaults, use the following.
*/
void session::set_priority (const char *prio, const char **err_pos)
{
RETWRAP (gnutls_priority_set_direct (s, prio, err_pos));
}
void session::set_priority (gnutls_priority_t p)
{
RETWRAP (gnutls_priority_set (s, p));
}
gnutls_protocol_t session::get_protocol_version () const
{
return gnutls_protocol_get_version (s);
}
void session::set_data (const void *session_data, size_t session_data_size)
{
RETWRAP (gnutls_session_set_data (s, session_data, session_data_size));
}
void session::get_data (void *session_data, size_t * session_data_size) const
{
RETWRAP (gnutls_session_get_data (s, session_data, session_data_size));
}
void session::get_data (gnutls_session_t session, gnutls_datum_t & data) const
{
RETWRAP (gnutls_session_get_data2 (s, &data));
}
void session::get_id (void *session_id, size_t * session_id_size) const
{
RETWRAP (gnutls_session_get_id (s, session_id, session_id_size));
}
bool session::is_resumed () const
{
int ret = gnutls_session_is_resumed (s);
return (ret != 0);
}
bool session::get_peers_certificate (std::vector < gnutls_datum_t >
&out_certs) const
{
const gnutls_datum_t *certs;
unsigned int certs_size;
certs = gnutls_certificate_get_peers (s, &certs_size);
if (certs == NULL)
return false;
for (unsigned int i = 0; i < certs_size; i++)
out_certs.push_back (certs[i]);
return true;
}
bool session::get_peers_certificate (const gnutls_datum_t ** certs,
unsigned int *certs_size) const
{
*certs = gnutls_certificate_get_peers (s, certs_size);
if (*certs == NULL)
return false;
return true;
}
void session::get_our_certificate (gnutls_datum_t & cert) const
{
const gnutls_datum_t *d;
d = gnutls_certificate_get_ours (s);
if (d == NULL)
throw (exception (GNUTLS_E_INVALID_REQUEST));
cert = *d;
}
time_t session::get_peers_certificate_activation_time () const
{
return gnutls_certificate_activation_time_peers (s);
}
time_t session::get_peers_certificate_expiration_time () const
{
return gnutls_certificate_expiration_time_peers (s);
}
void session::verify_peers_certificate (unsigned int &status) const
{
RETWRAP (gnutls_certificate_verify_peers2 (s, &status));
}
client_session::client_session ():session (GNUTLS_CLIENT)
{
}
client_session::client_session (int flags):session (GNUTLS_CLIENT |
(flags & ~GNUTLS_SERVER))
{
}
client_session::~client_session ()
{
}
// client session
void client_session::set_verify_cert (const char *hostname, unsigned flags)
{
gnutls_session_set_verify_cert(s, hostname, flags);
}
void client_session::set_server_name (gnutls_server_name_type_t type,
const void *name, size_t name_length)
{
RETWRAP (gnutls_server_name_set (s, type, name, name_length));
}
bool client_session::get_request_status ()
{
return RETWRAP (gnutls_certificate_client_get_request_status (s));
}
// server_session
void server_session::get_server_name (void *data, size_t * data_length,
unsigned int *type,
unsigned int indx) const
{
RETWRAP (gnutls_server_name_get (s, data, data_length, type, indx));
}
// internal DB stuff
static int store_function (void *_db, gnutls_datum_t key,
gnutls_datum_t data)
{
try
{
DB *db = static_cast < DB * >(_db);
if (db->store (key, data) == false)
return -1;
}
catch (...)
{
return -1;
}
return 0;
}
const static gnutls_datum_t null_datum = { NULL, 0 };
static gnutls_datum_t retrieve_function (void *_db, gnutls_datum_t key)
{
gnutls_datum_t data;
try
{
DB *db = static_cast < DB * >(_db);
if (db->retrieve (key, data) == false)
return null_datum;
}
catch (...)
{
return null_datum;
}
return data;
}
static int remove_function (void *_db, gnutls_datum_t key)
{
try
{
DB *db = static_cast < DB * >(_db);
if (db->remove (key) == false)
return -1;
}
catch (...)
{
return -1;
}
return 0;
}
void server_session::set_db (const DB & db)
{
gnutls_db_set_ptr (s, const_cast < DB * >(&db));
gnutls_db_set_store_function (s, store_function);
gnutls_db_set_retrieve_function (s, retrieve_function);
gnutls_db_set_remove_function (s, remove_function);
}
void server_session::set_db_cache_expiration (unsigned int seconds)
{
gnutls_db_set_cache_expiration (s, seconds);
}
void server_session::db_remove () const
{
gnutls_db_remove_session (s);
}
bool server_session::db_check_entry (const gnutls_datum_t & session_data) const
{
int ret = gnutls_db_check_entry (s, session_data);
if (ret != 0)
return true;
return false;
}
void session::set_max_handshake_packet_length (size_t max)
{
gnutls_handshake_set_max_packet_length (s, max);
}
void session::clear_credentials ()
{
gnutls_credentials_clear (s);
}
void session::set_credentials (const credentials & cred)
{
RETWRAP (gnutls_credentials_set (s, cred.get_type (), cred.ptr ()));
}
const char *server_session::get_srp_username () const
{
#ifdef ENABLE_SRP
return gnutls_srp_server_get_username (s);
#else
return NULL;
#endif
}
const char *server_session::get_psk_username () const
{
return gnutls_psk_server_get_username (s);
}
void session::set_transport_ptr (gnutls_transport_ptr_t ptr)
{
gnutls_transport_set_ptr (s, ptr);
}
void session::set_transport_ptr (gnutls_transport_ptr_t recv_ptr,
gnutls_transport_ptr_t send_ptr)
{
gnutls_transport_set_ptr2 (s, recv_ptr, send_ptr);
}
gnutls_transport_ptr_t session::get_transport_ptr () const
{
return gnutls_transport_get_ptr (s);
}
void session::get_transport_ptr (gnutls_transport_ptr_t & recv_ptr,
gnutls_transport_ptr_t & send_ptr) const
{
gnutls_transport_get_ptr2 (s, &recv_ptr, &send_ptr);
}
void session::set_transport_lowat (size_t num)
{
throw (exception (GNUTLS_E_UNIMPLEMENTED_FEATURE));
}
void session::set_transport_push_function (gnutls_push_func push_func)
{
gnutls_transport_set_push_function (s, push_func);
}
void session::set_transport_vec_push_function (gnutls_vec_push_func vec_push_func)
{
gnutls_transport_set_vec_push_function (s, vec_push_func);
}
void session::set_transport_pull_function (gnutls_pull_func pull_func)
{
gnutls_transport_set_pull_function (s, pull_func);
}
void session::set_transport_pull_timeout_function (gnutls_pull_timeout_func pull_timeout_func)
{
gnutls_transport_set_pull_timeout_function (s, pull_timeout_func);
}
void session::set_user_ptr (void *ptr)
{
gnutls_session_set_ptr (s, ptr);
}
void *session::get_user_ptr () const
{
return gnutls_session_get_ptr (s);
}
void session::send_openpgp_cert (gnutls_openpgp_crt_status_t status)
{
#ifdef ENABLE_OPENPGP
gnutls_openpgp_send_cert (s, status);
#endif
}
void session::set_dh_prime_bits (unsigned int bits)
{
gnutls_dh_set_prime_bits (s, bits);
}
unsigned int session::get_dh_secret_bits () const
{
return RETWRAP (gnutls_dh_get_secret_bits (s));
}
unsigned int session::get_dh_peers_public_bits () const
{
return RETWRAP (gnutls_dh_get_peers_public_bits (s));
}
unsigned int session::get_dh_prime_bits () const
{
return RETWRAP (gnutls_dh_get_prime_bits (s));
}
void session::get_dh_group (gnutls_datum_t & gen,
gnutls_datum_t & prime) const
{
RETWRAP (gnutls_dh_get_group (s, &gen, &prime));
}
void session::get_dh_pubkey (gnutls_datum_t & raw_key) const
{
RETWRAP (gnutls_dh_get_pubkey (s, &raw_key));
}
#ifdef ENABLE_RSA_EXPORT
void session::get_rsa_export_pubkey (gnutls_datum_t & exponent,
gnutls_datum_t & modulus) const
{
RETWRAP (gnutls_rsa_export_get_pubkey (s, &exponent, &modulus));
}
unsigned int session::get_rsa_export_modulus_bits () const
{
return RETWRAP (gnutls_rsa_export_get_modulus_bits (s));
}
void certificate_credentials::
set_rsa_export_params (const rsa_params & params)
{
gnutls_certificate_set_rsa_export_params (cred, params.get_params_t ());
}
#endif
void server_session::
set_certificate_request (gnutls_certificate_request_t req)
{
gnutls_certificate_server_set_request (s, req);
}
gnutls_credentials_type_t session::get_auth_type () const
{
return gnutls_auth_get_type (s);
}
gnutls_credentials_type_t session::get_server_auth_type () const
{
return gnutls_auth_server_get_type (s);
}
gnutls_credentials_type_t session::get_client_auth_type () const
{
return gnutls_auth_client_get_type (s);
}
certificate_credentials::~certificate_credentials ()
{
gnutls_certificate_free_credentials (cred);
}
certificate_credentials::certificate_credentials ():credentials
(GNUTLS_CRD_CERTIFICATE)
{
RETWRAP (gnutls_certificate_allocate_credentials (&cred));
set_ptr (cred);
}
void certificate_server_credentials::
set_params_function (gnutls_params_function * func)
{
gnutls_certificate_set_params_function (cred, func);
}
anon_server_credentials::anon_server_credentials ():credentials
(GNUTLS_CRD_ANON)
{
RETWRAP (gnutls_anon_allocate_server_credentials (&cred));
set_ptr (cred);
}
anon_server_credentials::~anon_server_credentials ()
{
gnutls_anon_free_server_credentials (cred);
}
void anon_server_credentials::set_dh_params (const dh_params & params)
{
gnutls_anon_set_server_dh_params (cred, params.get_params_t ());
}
void anon_server_credentials::set_params_function (gnutls_params_function *
func)
{
gnutls_anon_set_server_params_function (cred, func);
}
anon_client_credentials::anon_client_credentials ():credentials
(GNUTLS_CRD_ANON)
{
RETWRAP (gnutls_anon_allocate_client_credentials (&cred));
set_ptr (cred);
}
anon_client_credentials::~anon_client_credentials ()
{
gnutls_anon_free_client_credentials (cred);
}
void certificate_credentials::free_keys ()
{
gnutls_certificate_free_keys (cred);
}
void certificate_credentials::free_cas ()
{
gnutls_certificate_free_cas (cred);
}
void certificate_credentials::free_ca_names ()
{
gnutls_certificate_free_ca_names (cred);
}
void certificate_credentials::free_crls ()
{
gnutls_certificate_free_crls (cred);
}
void certificate_credentials::set_dh_params (const dh_params & params)
{
gnutls_certificate_set_dh_params (cred, params.get_params_t ());
}
void certificate_credentials::set_verify_flags (unsigned int flags)
{
gnutls_certificate_set_verify_flags (cred, flags);
}
void certificate_credentials::set_verify_limits (unsigned int max_bits,
unsigned int max_depth)
{
gnutls_certificate_set_verify_limits (cred, max_bits, max_depth);
}
void certificate_credentials::set_x509_trust_file (const char *cafile,
gnutls_x509_crt_fmt_t
type)
{
RETWRAP (gnutls_certificate_set_x509_trust_file (cred, cafile, type));
}
void certificate_credentials::set_x509_trust (const gnutls_datum_t & CA,
gnutls_x509_crt_fmt_t type)
{
RETWRAP (gnutls_certificate_set_x509_trust_mem (cred, &CA, type));
}
void certificate_credentials::set_x509_crl_file (const char *crlfile,
gnutls_x509_crt_fmt_t type)
{
RETWRAP (gnutls_certificate_set_x509_crl_file (cred, crlfile, type));
}
void certificate_credentials::set_x509_crl (const gnutls_datum_t & CRL,
gnutls_x509_crt_fmt_t type)
{
RETWRAP (gnutls_certificate_set_x509_crl_mem (cred, &CRL, type));
}
void certificate_credentials::set_x509_key_file (const char *certfile,
const char *keyfile,
gnutls_x509_crt_fmt_t type)
{
RETWRAP (gnutls_certificate_set_x509_key_file
(cred, certfile, keyfile, type));
}
void certificate_credentials::set_x509_key (const gnutls_datum_t & CERT,
const gnutls_datum_t & KEY,
gnutls_x509_crt_fmt_t type)
{
RETWRAP (gnutls_certificate_set_x509_key_mem (cred, &CERT, &KEY, type));
}
void certificate_credentials::
set_simple_pkcs12_file (const char *pkcs12file,
gnutls_x509_crt_fmt_t type, const char *password)
{
RETWRAP (gnutls_certificate_set_x509_simple_pkcs12_file
(cred, pkcs12file, type, password));
}
void certificate_credentials::set_x509_key (gnutls_x509_crt_t * cert_list,
int cert_list_size,
gnutls_x509_privkey_t key)
{
RETWRAP (gnutls_certificate_set_x509_key
(cred, cert_list, cert_list_size, key));
}
void certificate_credentials::set_x509_trust (gnutls_x509_crt_t * ca_list,
int ca_list_size)
{
RETWRAP (gnutls_certificate_set_x509_trust (cred, ca_list, ca_list_size));
}
void certificate_credentials::set_x509_crl (gnutls_x509_crl_t * crl_list,
int crl_list_size)
{
RETWRAP (gnutls_certificate_set_x509_crl (cred, crl_list, crl_list_size));
}
void certificate_credentials::
set_retrieve_function (gnutls_certificate_retrieve_function * func)
{
gnutls_certificate_set_retrieve_function (cred, func);
}
// SRP
#ifdef ENABLE_SRP
srp_server_credentials::srp_server_credentials ():credentials
(GNUTLS_CRD_SRP)
{
RETWRAP (gnutls_srp_allocate_server_credentials (&cred));
set_ptr (cred);
}
srp_server_credentials::~srp_server_credentials ()
{
gnutls_srp_free_server_credentials (cred);
}
srp_client_credentials::srp_client_credentials ():credentials
(GNUTLS_CRD_SRP)
{
RETWRAP (gnutls_srp_allocate_client_credentials (&cred));
set_ptr (cred);
}
srp_client_credentials::~srp_client_credentials ()
{
gnutls_srp_free_client_credentials (cred);
}
void srp_client_credentials::set_credentials (const char *username,
const char *password)
{
RETWRAP (gnutls_srp_set_client_credentials (cred, username, password));
}
void srp_server_credentials::
set_credentials_file (const char *password_file,
const char *password_conf_file)
{
RETWRAP (gnutls_srp_set_server_credentials_file
(cred, password_file, password_conf_file));
}
void srp_server_credentials::
set_credentials_function (gnutls_srp_server_credentials_function * func)
{
gnutls_srp_set_server_credentials_function (cred, func);
}
void srp_client_credentials::
set_credentials_function (gnutls_srp_client_credentials_function * func)
{
gnutls_srp_set_client_credentials_function (cred, func);
}
#endif /* ENABLE_SRP */
// PSK
psk_server_credentials::psk_server_credentials ():credentials
(GNUTLS_CRD_PSK)
{
RETWRAP (gnutls_psk_allocate_server_credentials (&cred));
set_ptr (cred);
}
psk_server_credentials::~psk_server_credentials ()
{
gnutls_psk_free_server_credentials (cred);
}
void psk_server_credentials::
set_credentials_file (const char *password_file)
{
RETWRAP (gnutls_psk_set_server_credentials_file (cred, password_file));
}
void psk_server_credentials::
set_credentials_function (gnutls_psk_server_credentials_function * func)
{
gnutls_psk_set_server_credentials_function (cred, func);
}
void psk_server_credentials::set_dh_params (const dh_params & params)
{
gnutls_psk_set_server_dh_params (cred, params.get_params_t ());
}
void psk_server_credentials::set_params_function (gnutls_params_function *
func)
{
gnutls_psk_set_server_params_function (cred, func);
}
psk_client_credentials::psk_client_credentials ():credentials
(GNUTLS_CRD_PSK)
{
RETWRAP (gnutls_psk_allocate_client_credentials (&cred));
set_ptr (cred);
}
psk_client_credentials::~psk_client_credentials ()
{
gnutls_psk_free_client_credentials (cred);
}
void psk_client_credentials::set_credentials (const char *username,
const gnutls_datum_t & key,
gnutls_psk_key_flags flags)
{
RETWRAP (gnutls_psk_set_client_credentials (cred, username, &key, flags));
}
void psk_client_credentials::
set_credentials_function (gnutls_psk_client_credentials_function * func)
{
gnutls_psk_set_client_credentials_function (cred, func);
}
credentials::credentials (gnutls_credentials_type_t t):type (t),
cred (NULL)
{
}
gnutls_credentials_type_t credentials::get_type () const
{
return type;
}
void *credentials::ptr () const
{
return cred;
}
void credentials::set_ptr (void *ptr)
{
cred = ptr;
}
exception::exception (int x)
{
retcode = x;
}
int exception::get_code ()
{
return retcode;
}
const char *exception::what () const throw ()
{
return gnutls_strerror (retcode);
}
dh_params::dh_params ()
{
RETWRAP (gnutls_dh_params_init (¶ms));
}
dh_params::~dh_params ()
{
gnutls_dh_params_deinit (params);
}
void dh_params::import_raw (const gnutls_datum_t & prime,
const gnutls_datum_t & generator)
{
RETWRAP (gnutls_dh_params_import_raw (params, &prime, &generator));
}
void dh_params::import_pkcs3 (const gnutls_datum_t & pkcs3_params,
gnutls_x509_crt_fmt_t format)
{
RETWRAP (gnutls_dh_params_import_pkcs3 (params, &pkcs3_params, format));
}
void dh_params::generate (unsigned int bits)
{
RETWRAP (gnutls_dh_params_generate2 (params, bits));
}
void dh_params::export_pkcs3 (gnutls_x509_crt_fmt_t format,
unsigned char *params_data,
size_t * params_data_size)
{
RETWRAP (gnutls_dh_params_export_pkcs3
(params, format, params_data, params_data_size));
}
void dh_params::export_raw (gnutls_datum_t & prime,
gnutls_datum_t & generator)
{
RETWRAP (gnutls_dh_params_export_raw (params, &prime, &generator, NULL));
}
gnutls_dh_params_t dh_params::get_params_t () const
{
return params;
}
dh_params & dh_params::operator= (const dh_params & src)
{
dh_params *dst = new dh_params;
int ret;
ret = gnutls_dh_params_cpy (dst->params, src.params);
if (ret < 0)
{
delete dst;
throw (exception (ret));
}
std::swap (this->params, dst->params);
delete dst;
return *this;
}
// RSA
#ifdef ENABLE_RSA_EXPORT
rsa_params::rsa_params ()
{
RETWRAP (gnutls_rsa_params_init (¶ms));
}
rsa_params::~rsa_params ()
{
gnutls_rsa_params_deinit (params);
}
void rsa_params::import_pkcs1 (const gnutls_datum_t & pkcs1_params,
gnutls_x509_crt_fmt_t format)
{
RETWRAP (gnutls_rsa_params_import_pkcs1 (params, &pkcs1_params, format));
}
void rsa_params::generate (unsigned int bits)
{
RETWRAP (gnutls_rsa_params_generate2 (params, bits));
}
void rsa_params::export_pkcs1 (gnutls_x509_crt_fmt_t format,
unsigned char *params_data,
size_t * params_data_size)
{
RETWRAP (gnutls_rsa_params_export_pkcs1
(params, format, params_data, params_data_size));
}
gnutls_rsa_params_t rsa_params::get_params_t () const
{
return params;
}
rsa_params & rsa_params::operator= (const rsa_params & src)
{
rsa_params *dst = new rsa_params;
int ret;
ret = gnutls_rsa_params_cpy (dst->params, src.params);
if (ret < 0)
{
delete dst;
throw (exception (ret));
}
std::swap (this->params, dst->params);
delete dst;
return *this;
}
void rsa_params::import_raw (const gnutls_datum_t & m,
const gnutls_datum_t & e,
const gnutls_datum_t & d,
const gnutls_datum_t & p,
const gnutls_datum_t & q,
const gnutls_datum_t & u)
{
RETWRAP (gnutls_rsa_params_import_raw (params, &m, &e, &d, &p, &q, &u));
}
void rsa_params::export_raw (gnutls_datum_t & m, gnutls_datum_t & e,
gnutls_datum_t & d, gnutls_datum_t & p,
gnutls_datum_t & q, gnutls_datum_t & u)
{
RETWRAP (gnutls_rsa_params_export_raw
(params, &m, &e, &d, &p, &q, &u, NULL));
}
#endif
} // namespace gnutls