Change HANDSHAKE_STATE to OSSL_HANDSHAKE_STATE
[openssl.git] / doc / ssl / ssl.pod
index 6d3ee24e4e4766fe7cd3536c00ac97ab679c92fd..c8c577d83e4a0cb9153ff34b4684559a117a228b 100644 (file)
@@ -14,25 +14,25 @@ Transport Layer Security (TLS v1) protocols. It provides a rich API which is
 documented here.
 
 At first the library must be initialized; see
-L<SSL_library_init(3)|SSL_library_init(3)>.
+L<SSL_library_init(3)>.
 
 Then an B<SSL_CTX> object is created as a framework to establish
-TLS/SSL enabled connections (see L<SSL_CTX_new(3)|SSL_CTX_new(3)>).
+TLS/SSL enabled connections (see L<SSL_CTX_new(3)>).
 Various options regarding certificates, algorithms etc. can be set
 in this object.
 
 When a network connection has been created, it can be assigned to an
 B<SSL> object. After the B<SSL> object has been created using
-L<SSL_new(3)|SSL_new(3)>, L<SSL_set_fd(3)|SSL_set_fd(3)> or
-L<SSL_set_bio(3)|SSL_set_bio(3)> can be used to associate the network
+L<SSL_new(3)>, L<SSL_set_fd(3)> or
+L<SSL_set_bio(3)> can be used to associate the network
 connection with the object.
 
 Then the TLS/SSL handshake is performed using
-L<SSL_accept(3)|SSL_accept(3)> or L<SSL_connect(3)|SSL_connect(3)>
+L<SSL_accept(3)> or L<SSL_connect(3)>
 respectively.
-L<SSL_read(3)|SSL_read(3)> and L<SSL_write(3)|SSL_write(3)> are used
+L<SSL_read(3)> and L<SSL_write(3)> are used
 to read and write data on the TLS/SSL connection.
-L<SSL_shutdown(3)|SSL_shutdown(3)> can be used to shut down the
+L<SSL_shutdown(3)> can be used to shut down the
 TLS/SSL connection.
 
 =head1 DATA STRUCTURES
@@ -45,8 +45,8 @@ structures:
 =item B<SSL_METHOD> (SSL Method)
 
 That's a dispatch structure describing the internal B<ssl> library
-methods/functions which implement the various protocol versions (SSLv1, SSLv2
-and TLSv1). It's needed to create an B<SSL_CTX>.
+methods/functions which implement the various protocol versions (SSLv3
+TLSv1, ...). It's needed to create an B<SSL_CTX>.
 
 =item B<SSL_CIPHER> (SSL Cipher)
 
@@ -103,13 +103,6 @@ That's the sub header file dealing with the SSLv3 protocol only.
 I<Usually you don't have to include it explicitly because
 it's already included by ssl.h>.
 
-=item B<ssl23.h>
-
-That's the sub header file dealing with the combined use of the SSLv2 and
-SSLv3 protocols.
-I<Usually you don't have to include it explicitly because
-it's already included by ssl.h>.
-
 =item B<tls1.h>
 
 That's the sub header file dealing with the TLSv1 protocol only.
@@ -130,18 +123,6 @@ protocol methods defined in B<SSL_METHOD> structures.
 
 =over 4
 
-=item const SSL_METHOD *B<SSLv2_client_method>(void);
-
-Constructor for the SSLv2 SSL_METHOD structure for a dedicated client.
-
-=item const SSL_METHOD *B<SSLv2_server_method>(void);
-
-Constructor for the SSLv2 SSL_METHOD structure for a dedicated server.
-
-=item const SSL_METHOD *B<SSLv2_method>(void);
-
-Constructor for the SSLv2 SSL_METHOD structure for combined client and server.
-
 =item const SSL_METHOD *B<SSLv3_client_method>(void);
 
 Constructor for the SSLv3 SSL_METHOD structure for a dedicated client.
@@ -189,7 +170,7 @@ I<alg_bits>) and the bits which are actually used (the return value).
 =item const char *B<SSL_CIPHER_get_name>(SSL_CIPHER *cipher);
 
 Return the internal name of I<cipher> as a string. These are the various
-strings defined by the I<SSL2_TXT_xxx>, I<SSL3_TXT_xxx> and I<TLS1_TXT_xxx>
+strings defined by the I<SSL3_TXT_xxx> and I<TLS1_TXT_xxx>
 definitions in the header files.
 
 =item char *B<SSL_CIPHER_get_version>(SSL_CIPHER *cipher);
@@ -229,6 +210,8 @@ protocol context defined in the B<SSL_CTX> structure.
 
 =item int (*B<SSL_CTX_get_client_cert_cb>(SSL_CTX *ctx))(SSL *ssl, X509 **x509, EVP_PKEY **pkey);
 
+=item void B<SSL_CTX_get_default_read_ahead>(SSL_CTX *ctx);
+
 =item char *B<SSL_CTX_get_ex_data>(const SSL_CTX *s, int idx);
 
 =item int B<SSL_CTX_get_ex_new_index>(long argl, char *argp, int (*new_func);(void), int (*dup_func)(void), void (*free_func)(void))
@@ -237,6 +220,8 @@ protocol context defined in the B<SSL_CTX> structure.
 
 =item int B<SSL_CTX_get_quiet_shutdown>(const SSL_CTX *ctx);
 
+=item void B<SSL_CTX_get_read_ahead>(SSL_CTX *ctx);
+
 =item int B<SSL_CTX_get_session_cache_mode>(SSL_CTX *ctx);
 
 =item long B<SSL_CTX_get_timeout>(const SSL_CTX *ctx);
@@ -313,6 +298,17 @@ protocol context defined in the B<SSL_CTX> structure.
 
 =item int B<SSL_CTX_set_default_verify_paths>(SSL_CTX *ctx);
 
+Use the default paths to locate trusted CA certificates. There is one default
+directory path and one default file path. Both are set via this call.
+
+=item int B<SSL_CTX_set_default_verify_dir>(SSL_CTX *ctx)
+
+Use the default directory path to locate trusted CA certficates.
+
+=item int B<SSL_CTX_set_default_verify_file>(SSL_CTX *ctx)
+
+Use the file path to locate trusted CA certficates.
+
 =item int B<SSL_CTX_set_ex_data>(SSL_CTX *s, int idx, char *arg);
 
 =item void B<SSL_CTX_set_info_callback>(SSL_CTX *ctx, void (*cb)(SSL *ssl, int cb, int ret));
@@ -325,6 +321,8 @@ protocol context defined in the B<SSL_CTX> structure.
 
 =item void B<SSL_CTX_set_quiet_shutdown>(SSL_CTX *ctx, int mode);
 
+=item void B<SSL_CTX_set_read_ahead>(SSL_CTX *ctx, int m);
+
 =item void B<SSL_CTX_set_session_cache_mode>(SSL_CTX *ctx, int mode);
 
 =item int B<SSL_CTX_set_ssl_version>(SSL_CTX *ctx, const SSL_METHOD *meth);
@@ -374,6 +372,10 @@ session instead of a context.
 
 =item int B<SSL_CTX_use_certificate_file>(SSL_CTX *ctx, char *file, int type);
 
+=item X509 *B<SSL_CTX_get0_certificate>(const SSL_CTX *ctx);
+
+=item EVP_PKEY *B<SSL_CTX_get0_privatekey>(const SSL_CTX *ctx);
+
 =item void B<SSL_CTX_set_psk_client_callback>(SSL_CTX *ctx, unsigned int (*callback)(SSL *ssl, const char *hint, char *identity, unsigned int max_identity_len, unsigned char *psk, unsigned int max_psk_len));
 
 =item int B<SSL_CTX_use_psk_identity_hint>(SSL_CTX *ctx, const char *hint);
@@ -455,7 +457,10 @@ connection defined in the B<SSL> structure.
 
 =item int B<SSL_connect>(SSL *ssl);
 
-=item void B<SSL_copy_session_id>(SSL *t, const SSL *f);
+=item int B<SSL_copy_session_id>(SSL *t, const SSL *f);
+
+Sets the session details for B<t> to be the same as in B<f>. Returns 1 on
+success or 0 on failure.
 
 =item long B<SSL_ctrl>(SSL *ssl, int cmd, long larg, char *parg);
 
@@ -507,7 +512,7 @@ connection defined in the B<SSL> structure.
 
 =item X509 *B<SSL_get_peer_certificate>(const SSL *ssl);
 
-=item EVP_PKEY *B<SSL_get_privatekey>(SSL *ssl);
+=item EVP_PKEY *B<SSL_get_privatekey>(const SSL *ssl);
 
 =item int B<SSL_get_quiet_shutdown>(const SSL *ssl);
 
@@ -619,7 +624,9 @@ connection defined in the B<SSL> structure.
 
 =item int B<SSL_shutdown>(SSL *ssl);
 
-=item int B<SSL_state>(const SSL *ssl);
+=item OSSL_HANDSHAKE_STATE B<SSL_state>(const SSL *ssl);
+
+Returns the current handshake state.
 
 =item char *B<SSL_state_string>(const SSL *ssl);
 
@@ -673,86 +680,92 @@ connection defined in the B<SSL> structure.
 
 =head1 SEE ALSO
 
-L<openssl(1)|openssl(1)>, L<crypto(3)|crypto(3)>,
-L<SSL_accept(3)|SSL_accept(3)>, L<SSL_clear(3)|SSL_clear(3)>,
-L<SSL_connect(3)|SSL_connect(3)>,
-L<SSL_CIPHER_get_name(3)|SSL_CIPHER_get_name(3)>,
-L<SSL_COMP_add_compression_method(3)|SSL_COMP_add_compression_method(3)>,
-L<SSL_CTX_add_extra_chain_cert(3)|SSL_CTX_add_extra_chain_cert(3)>,
-L<SSL_CTX_add_session(3)|SSL_CTX_add_session(3)>,
-L<SSL_CTX_ctrl(3)|SSL_CTX_ctrl(3)>,
-L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)>,
-L<SSL_CTX_get_ex_new_index(3)|SSL_CTX_get_ex_new_index(3)>,
-L<SSL_CTX_get_verify_mode(3)|SSL_CTX_get_verify_mode(3)>,
-L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>
-L<SSL_CTX_new(3)|SSL_CTX_new(3)>,
-L<SSL_CTX_sess_number(3)|SSL_CTX_sess_number(3)>,
-L<SSL_CTX_sess_set_cache_size(3)|SSL_CTX_sess_set_cache_size(3)>,
-L<SSL_CTX_sess_set_get_cb(3)|SSL_CTX_sess_set_get_cb(3)>,
-L<SSL_CTX_sessions(3)|SSL_CTX_sessions(3)>,
-L<SSL_CTX_set_cert_store(3)|SSL_CTX_set_cert_store(3)>,
-L<SSL_CTX_set_cert_verify_callback(3)|SSL_CTX_set_cert_verify_callback(3)>,
-L<SSL_CTX_set_cipher_list(3)|SSL_CTX_set_cipher_list(3)>,
-L<SSL_CTX_set_client_CA_list(3)|SSL_CTX_set_client_CA_list(3)>,
-L<SSL_CTX_set_client_cert_cb(3)|SSL_CTX_set_client_cert_cb(3)>,
-L<SSL_CTX_set_default_passwd_cb(3)|SSL_CTX_set_default_passwd_cb(3)>,
-L<SSL_CTX_set_generate_session_id(3)|SSL_CTX_set_generate_session_id(3)>,
-L<SSL_CTX_set_info_callback(3)|SSL_CTX_set_info_callback(3)>,
-L<SSL_CTX_set_max_cert_list(3)|SSL_CTX_set_max_cert_list(3)>,
-L<SSL_CTX_set_mode(3)|SSL_CTX_set_mode(3)>,
-L<SSL_CTX_set_msg_callback(3)|SSL_CTX_set_msg_callback(3)>,
-L<SSL_CTX_set_options(3)|SSL_CTX_set_options(3)>,
-L<SSL_CTX_set_quiet_shutdown(3)|SSL_CTX_set_quiet_shutdown(3)>,
-L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>,
-L<SSL_CTX_set_session_id_context(3)|SSL_CTX_set_session_id_context(3)>,
-L<SSL_CTX_set_ssl_version(3)|SSL_CTX_set_ssl_version(3)>,
-L<SSL_CTX_set_timeout(3)|SSL_CTX_set_timeout(3)>,
-L<SSL_CTX_set_tmp_rsa_callback(3)|SSL_CTX_set_tmp_rsa_callback(3)>,
-L<SSL_CTX_set_tmp_dh_callback(3)|SSL_CTX_set_tmp_dh_callback(3)>,
-L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>,
-L<SSL_CTX_use_certificate(3)|SSL_CTX_use_certificate(3)>,
-L<SSL_alert_type_string(3)|SSL_alert_type_string(3)>,
-L<SSL_do_handshake(3)|SSL_do_handshake(3)>,
-L<SSL_get_SSL_CTX(3)|SSL_get_SSL_CTX(3)>,
-L<SSL_get_ciphers(3)|SSL_get_ciphers(3)>,
-L<SSL_get_client_CA_list(3)|SSL_get_client_CA_list(3)>,
-L<SSL_get_default_timeout(3)|SSL_get_default_timeout(3)>,
-L<SSL_get_error(3)|SSL_get_error(3)>,
-L<SSL_get_ex_data_X509_STORE_CTX_idx(3)|SSL_get_ex_data_X509_STORE_CTX_idx(3)>,
-L<SSL_get_ex_new_index(3)|SSL_get_ex_new_index(3)>,
-L<SSL_get_fd(3)|SSL_get_fd(3)>,
-L<SSL_get_peer_cert_chain(3)|SSL_get_peer_cert_chain(3)>,
-L<SSL_get_rbio(3)|SSL_get_rbio(3)>,
-L<SSL_get_session(3)|SSL_get_session(3)>,
-L<SSL_get_verify_result(3)|SSL_get_verify_result(3)>,
-L<SSL_get_version(3)|SSL_get_version(3)>,
-L<SSL_library_init(3)|SSL_library_init(3)>,
-L<SSL_load_client_CA_file(3)|SSL_load_client_CA_file(3)>,
-L<SSL_new(3)|SSL_new(3)>,
-L<SSL_pending(3)|SSL_pending(3)>,
-L<SSL_read(3)|SSL_read(3)>,
-L<SSL_rstate_string(3)|SSL_rstate_string(3)>,
-L<SSL_session_reused(3)|SSL_session_reused(3)>,
-L<SSL_set_bio(3)|SSL_set_bio(3)>,
-L<SSL_set_connect_state(3)|SSL_set_connect_state(3)>,
-L<SSL_set_fd(3)|SSL_set_fd(3)>,
-L<SSL_set_session(3)|SSL_set_session(3)>,
-L<SSL_set_shutdown(3)|SSL_set_shutdown(3)>,
-L<SSL_shutdown(3)|SSL_shutdown(3)>,
-L<SSL_state_string(3)|SSL_state_string(3)>,
-L<SSL_want(3)|SSL_want(3)>,
-L<SSL_write(3)|SSL_write(3)>,
-L<SSL_SESSION_free(3)|SSL_SESSION_free(3)>,
-L<SSL_SESSION_get_ex_new_index(3)|SSL_SESSION_get_ex_new_index(3)>,
-L<SSL_SESSION_get_time(3)|SSL_SESSION_get_time(3)>,
-L<d2i_SSL_SESSION(3)|d2i_SSL_SESSION(3)>,
-L<SSL_CTX_set_psk_client_callback(3)|SSL_CTX_set_psk_client_callback(3)>,
-L<SSL_CTX_use_psk_identity_hint(3)|SSL_CTX_use_psk_identity_hint(3)>,
-L<SSL_get_psk_identity(3)|SSL_get_psk_identity(3)>
+L<openssl(1)>, L<crypto(3)>,
+L<SSL_accept(3)>, L<SSL_clear(3)>,
+L<SSL_connect(3)>,
+L<SSL_CIPHER_get_name(3)>,
+L<SSL_COMP_add_compression_method(3)>,
+L<SSL_CTX_add_extra_chain_cert(3)>,
+L<SSL_CTX_add_session(3)>,
+L<SSL_CTX_ctrl(3)>,
+L<SSL_CTX_flush_sessions(3)>,
+L<SSL_CTX_get_ex_new_index(3)>,
+L<SSL_CTX_get_verify_mode(3)>,
+L<SSL_CTX_load_verify_locations(3)>
+L<SSL_CTX_new(3)>,
+L<SSL_CTX_sess_number(3)>,
+L<SSL_CTX_sess_set_cache_size(3)>,
+L<SSL_CTX_sess_set_get_cb(3)>,
+L<SSL_CTX_sessions(3)>,
+L<SSL_CTX_set_cert_store(3)>,
+L<SSL_CTX_set_cert_verify_callback(3)>,
+L<SSL_CTX_set_cipher_list(3)>,
+L<SSL_CTX_set_client_CA_list(3)>,
+L<SSL_CTX_set_client_cert_cb(3)>,
+L<SSL_CTX_set_default_passwd_cb(3)>,
+L<SSL_CTX_set_generate_session_id(3)>,
+L<SSL_CTX_set_info_callback(3)>,
+L<SSL_CTX_set_max_cert_list(3)>,
+L<SSL_CTX_set_mode(3)>,
+L<SSL_CTX_set_msg_callback(3)>,
+L<SSL_CTX_set_options(3)>,
+L<SSL_CTX_set_quiet_shutdown(3)>,
+L<SSL_CTX_set_read_ahead(3)>,
+L<SSL_CTX_set_session_cache_mode(3)>,
+L<SSL_CTX_set_session_id_context(3)>,
+L<SSL_CTX_set_ssl_version(3)>,
+L<SSL_CTX_set_timeout(3)>,
+L<SSL_CTX_set_tmp_rsa_callback(3)>,
+L<SSL_CTX_set_tmp_dh_callback(3)>,
+L<SSL_CTX_set_verify(3)>,
+L<SSL_CTX_use_certificate(3)>,
+L<SSL_alert_type_string(3)>,
+L<SSL_do_handshake(3)>,
+L<SSL_get_SSL_CTX(3)>,
+L<SSL_get_ciphers(3)>,
+L<SSL_get_client_CA_list(3)>,
+L<SSL_get_default_timeout(3)>,
+L<SSL_get_error(3)>,
+L<SSL_get_ex_data_X509_STORE_CTX_idx(3)>,
+L<SSL_get_ex_new_index(3)>,
+L<SSL_get_fd(3)>,
+L<SSL_get_peer_cert_chain(3)>,
+L<SSL_get_rbio(3)>,
+L<SSL_get_session(3)>,
+L<SSL_get_verify_result(3)>,
+L<SSL_get_version(3)>,
+L<SSL_library_init(3)>,
+L<SSL_load_client_CA_file(3)>,
+L<SSL_new(3)>,
+L<SSL_pending(3)>,
+L<SSL_read(3)>,
+L<SSL_rstate_string(3)>,
+L<SSL_session_reused(3)>,
+L<SSL_set_bio(3)>,
+L<SSL_set_connect_state(3)>,
+L<SSL_set_fd(3)>,
+L<SSL_set_session(3)>,
+L<SSL_set_shutdown(3)>,
+L<SSL_shutdown(3)>,
+L<SSL_state_string(3)>,
+L<SSL_want(3)>,
+L<SSL_write(3)>,
+L<SSL_SESSION_free(3)>,
+L<SSL_SESSION_get_ex_new_index(3)>,
+L<SSL_SESSION_get_time(3)>,
+L<d2i_SSL_SESSION(3)>,
+L<SSL_CTX_set_psk_client_callback(3)>,
+L<SSL_CTX_use_psk_identity_hint(3)>,
+L<SSL_get_psk_identity(3)>,
+L<DTLSv1_listen(3)|DTLSv1_listen(3)>
 
 =head1 HISTORY
 
-The L<ssl(3)|ssl(3)> document appeared in OpenSSL 0.9.2
+B<SSLv2_client_method>, B<SSLv2_server_method> and B<SSLv2_method> where removed
+in OpenSSL 1.1.0.
+
+The return type of B<SSL_copy_session_id> was changed from void to int in
+OpenSSL 1.1.0.
 
 =cut