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#ifndef GNUTLSXX_H
#define GNUTLSXX_H
#include <exception>
#include <vector>
#include <gnutls/gnutls.h>
namespace gnutls
{
class noncopyable
{
protected:
noncopyable ()
{
}
~noncopyable ()
{
}
private:
// These are non-implemented.
noncopyable (const noncopyable &);
noncopyable & operator= (const noncopyable &);
};
class exception:public std::exception
{
public:
exception (int x);
const char *what () const throw ();
int get_code ();
protected:
int retcode;
};
class dh_params:private noncopyable
{
public:
dh_params ();
~dh_params ();
void import_raw (const gnutls_datum_t & prime,
const gnutls_datum_t & generator);
void import_pkcs3 (const gnutls_datum_t & pkcs3_params,
gnutls_x509_crt_fmt_t format);
void generate (unsigned int bits);
void export_pkcs3 (gnutls_x509_crt_fmt_t format,
unsigned char *params_data, size_t * params_data_size);
void export_raw (gnutls_datum_t & prime, gnutls_datum_t & generator);
gnutls_dh_params_t get_params_t () const;
dh_params & operator= (const dh_params & src);
protected:
gnutls_dh_params_t params;
};
class rsa_params:private noncopyable
{
public:
rsa_params ();
~rsa_params ();
void 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);
void import_pkcs1 (const gnutls_datum_t & pkcs1_params,
gnutls_x509_crt_fmt_t format);
void generate (unsigned int bits);
void export_pkcs1 (gnutls_x509_crt_fmt_t format,
unsigned char *params_data, size_t * params_data_size);
void 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);
gnutls_rsa_params_t get_params_t () const;
rsa_params & operator= (const rsa_params & src);
protected:
gnutls_rsa_params_t params;
};
class session:private noncopyable
{
protected:
gnutls_session_t s;
public:
session (gnutls_connection_end_t);
virtual ~ session ();
int bye (gnutls_close_request_t how);
int handshake ();
gnutls_alert_description_t get_alert () const;
int send_alert (gnutls_alert_level_t level,
gnutls_alert_description_t desc);
int send_appropriate_alert (int err);
gnutls_cipher_algorithm_t get_cipher () const;
gnutls_kx_algorithm_t get_kx () const;
gnutls_mac_algorithm_t get_mac () const;
gnutls_compression_method_t get_compression () const;
gnutls_certificate_type_t get_certificate_type () const;
// for the handshake
void set_private_extensions (bool allow);
gnutls_handshake_description_t get_handshake_last_out () const;
gnutls_handshake_description_t get_handshake_last_in () const;
ssize_t send (const void *data, size_t sizeofdata);
ssize_t recv (void *data, size_t sizeofdata);
bool get_record_direction () const;
// maximum packet size
size_t get_max_size () const;
void set_max_size (size_t size);
size_t check_pending () const;
void prf (size_t label_size, const char *label,
int server_random_first,
size_t extra_size, const char *extra,
size_t outsize, char *out);
void prf_raw (size_t label_size, const char *label,
size_t seed_size, const char *seed,
size_t outsize, char *out);
void set_cipher_priority (const int *list);
void set_mac_priority (const int *list);
void set_compression_priority (const int *list);
void set_kx_priority (const int *list);
void set_protocol_priority (const int *list);
void set_certificate_type_priority (const int *list);
/* if you just want some defaults, use the following.
*/
void set_priority (const char *prio, const char **err_pos);
void set_priority (gnutls_priority_t p);
gnutls_protocol_t get_protocol_version () const;
// for resuming sessions
void set_data (const void *session_data, size_t session_data_size);
void get_data (void *session_data, size_t * session_data_size) const;
void get_data (gnutls_session_t session, gnutls_datum_t & data) const;
void get_id (void *session_id, size_t * session_id_size) const;
bool is_resumed () const;
void set_max_handshake_packet_length (size_t max);
void clear_credentials ();
void set_credentials (class credentials & cred);
void set_transport_ptr (gnutls_transport_ptr_t ptr);
void set_transport_ptr (gnutls_transport_ptr_t recv_ptr,
gnutls_transport_ptr_t send_ptr);
gnutls_transport_ptr_t get_transport_ptr () const;
void get_transport_ptr (gnutls_transport_ptr_t & recv_ptr,
gnutls_transport_ptr_t & send_ptr) const;
void set_transport_lowat (size_t num);
void set_transport_push_function (gnutls_push_func push_func);
void set_transport_pull_function (gnutls_pull_func pull_func);
void set_user_ptr (void *ptr);
void *get_user_ptr () const;
void send_openpgp_cert (gnutls_openpgp_crt_status_t status);
gnutls_credentials_type_t get_auth_type () const;
gnutls_credentials_type_t get_server_auth_type () const;
gnutls_credentials_type_t get_client_auth_type () const;
// informational stuff
void set_dh_prime_bits (unsigned int bits);
unsigned int get_dh_secret_bits () const;
unsigned int get_dh_peers_public_bits () const;
unsigned int get_dh_prime_bits () const;
void get_dh_group (gnutls_datum_t & gen, gnutls_datum_t & prime) const;
void get_dh_pubkey (gnutls_datum_t & raw_key) const;
void get_rsa_export_pubkey (gnutls_datum_t & exponent,
gnutls_datum_t & modulus) const;
unsigned int get_rsa_export_modulus_bits () const;
void get_our_certificate (gnutls_datum_t & cert) const;
bool get_peers_certificate (std::vector < gnutls_datum_t >
&out_certs) const;
bool get_peers_certificate (const gnutls_datum_t ** certs,
unsigned int *certs_size) const;
time_t get_peers_certificate_activation_time () const;
time_t get_peers_certificate_expiration_time () const;
void verify_peers_certificate (unsigned int &status) const;
};
// interface for databases
class DB:private noncopyable
{
public:
virtual ~ DB () = 0;
virtual bool store (const gnutls_datum_t & key,
const gnutls_datum_t & data) = 0;
virtual bool retrieve (const gnutls_datum_t & key,
gnutls_datum_t & data) = 0;
virtual bool remove (const gnutls_datum_t & key) = 0;
};
class server_session:public session
{
public:
server_session ();
~server_session ();
void db_remove () const;
void set_db_cache_expiration (unsigned int seconds);
void set_db (const DB & db);
// returns true if session is expired
bool db_check_entry (gnutls_datum_t & session_data) const;
// server side only
const char *get_srp_username () const;
const char *get_psk_username () const;
void get_server_name (void *data, size_t * data_length,
unsigned int *type, unsigned int indx) const;
int rehandshake ();
void set_certificate_request (gnutls_certificate_request_t);
};
class client_session:public session
{
public:
client_session ();
~client_session ();
void set_server_name (gnutls_server_name_type_t type,
const void *name, size_t name_length);
bool get_request_status ();
};
class credentials:private noncopyable
{
public:
virtual ~ credentials ()
{
}
gnutls_credentials_type_t get_type () const;
protected:
friend class session;
credentials (gnutls_credentials_type_t t);
void *ptr () const;
void set_ptr (void *ptr);
gnutls_credentials_type_t type;
private:
void *cred;
};
class certificate_credentials:public credentials
{
public:
~certificate_credentials ();
certificate_credentials ();
void free_keys ();
void free_cas ();
void free_ca_names ();
void free_crls ();
void set_dh_params (const dh_params & params);
void set_rsa_export_params (const rsa_params & params);
void set_verify_flags (unsigned int flags);
void set_verify_limits (unsigned int max_bits, unsigned int max_depth);
void set_x509_trust_file (const char *cafile, gnutls_x509_crt_fmt_t type);
void set_x509_trust (const gnutls_datum_t & CA,
gnutls_x509_crt_fmt_t type);
// FIXME: use classes instead of gnutls_x509_crt_t
void set_x509_trust (gnutls_x509_crt_t * ca_list, int ca_list_size);
void set_x509_crl_file (const char *crlfile, gnutls_x509_crt_fmt_t type);
void set_x509_crl (const gnutls_datum_t & CRL,
gnutls_x509_crt_fmt_t type);
void set_x509_crl (gnutls_x509_crl_t * crl_list, int crl_list_size);
void set_x509_key_file (const char *certfile, const char *KEYFILE,
gnutls_x509_crt_fmt_t type);
void set_x509_key (const gnutls_datum_t & CERT,
const gnutls_datum_t & KEY,
gnutls_x509_crt_fmt_t type);
// FIXME: use classes
void set_x509_key (gnutls_x509_crt_t * cert_list, int cert_list_size,
gnutls_x509_privkey_t key);
void set_simple_pkcs12_file (const char *pkcs12file,
gnutls_x509_crt_fmt_t type,
const char *password);
void set_retrieve_function (gnutls_certificate_retrieve_function * func);
protected:
gnutls_certificate_credentials_t cred;
};
class certificate_server_credentials:public certificate_credentials
{
public:
void set_params_function (gnutls_params_function * func);
};
class certificate_client_credentials:public certificate_credentials
{
public:
};
class anon_server_credentials:public credentials
{
public:
anon_server_credentials ();
~anon_server_credentials ();
void set_dh_params (const dh_params & params);
void set_params_function (gnutls_params_function * func);
protected:
gnutls_anon_server_credentials_t cred;
};
class anon_client_credentials:public credentials
{
public:
anon_client_credentials ();
~anon_client_credentials ();
protected:
gnutls_anon_client_credentials_t cred;
};
class srp_server_credentials:public credentials
{
public:
srp_server_credentials ();
~srp_server_credentials ();
void set_credentials_file (const char *password_file,
const char *password_conf_file);
void set_credentials_function (gnutls_srp_server_credentials_function *
func);
protected:
gnutls_srp_server_credentials_t cred;
};
class srp_client_credentials:public credentials
{
public:
srp_client_credentials ();
~srp_client_credentials ();
void set_credentials (const char *username, const char *password);
void set_credentials_function (gnutls_srp_client_credentials_function *
func);
protected:
gnutls_srp_client_credentials_t cred;
};
class psk_server_credentials:public credentials
{
public:
psk_server_credentials ();
~psk_server_credentials ();
void set_credentials_file (const char *password_file);
void set_credentials_function (gnutls_psk_server_credentials_function *
func);
void set_dh_params (const dh_params & params);
void set_params_function (gnutls_params_function * func);
protected:
gnutls_psk_server_credentials_t cred;
};
class psk_client_credentials:public credentials
{
public:
psk_client_credentials ();
~psk_client_credentials ();
void set_credentials (const char *username, const gnutls_datum_t & key,
gnutls_psk_key_flags flags);
void set_credentials_function (gnutls_psk_client_credentials_function *
func);
protected:
gnutls_psk_client_credentials_t cred;
};
} /* namespace */
#endif /* GNUTLSXX_H */