diff options
author | Matt Caswell <matt@openssl.org> | 2015-01-27 20:11:24 +0000 |
---|---|---|
committer | Matt Caswell <matt@openssl.org> | 2015-01-31 18:06:45 +0000 |
commit | b6ba401497001c2f042feff693ed292b21c8369c (patch) | |
tree | ed417a48076160efdf98059557aa39368383baed /ssl/ssl.h | |
parent | 4de8385796541c8c2973813f5da5fad173ba1ca2 (diff) |
Make libssl opaque. Move all structures that were previously protected by
OPENSSL_NO_SSL_INTERN into internal header files.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Diffstat (limited to 'ssl/ssl.h')
-rw-r--r-- | ssl/ssl.h | 702 |
1 files changed, 0 insertions, 702 deletions
@@ -388,166 +388,6 @@ typedef int (*custom_ext_parse_cb) (SSL *s, unsigned int ext_type, # endif -# ifndef OPENSSL_NO_SSL_INTERN - -/* used to hold info on the particular ciphers used */ -struct ssl_cipher_st { - int valid; - const char *name; /* text name */ - unsigned long id; /* id, 4 bytes, first is version */ - /* - * changed in 0.9.9: these four used to be portions of a single value - * 'algorithms' - */ - unsigned long algorithm_mkey; /* key exchange algorithm */ - unsigned long algorithm_auth; /* server authentication */ - unsigned long algorithm_enc; /* symmetric encryption */ - unsigned long algorithm_mac; /* symmetric authentication */ - unsigned long algorithm_ssl; /* (major) protocol version */ - unsigned long algo_strength; /* strength and export flags */ - unsigned long algorithm2; /* Extra flags */ - int strength_bits; /* Number of bits really used */ - int alg_bits; /* Number of bits for algorithm */ -}; - -/* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */ -struct ssl_method_st { - int version; - int (*ssl_new) (SSL *s); - void (*ssl_clear) (SSL *s); - void (*ssl_free) (SSL *s); - int (*ssl_accept) (SSL *s); - int (*ssl_connect) (SSL *s); - int (*ssl_read) (SSL *s, void *buf, int len); - int (*ssl_peek) (SSL *s, void *buf, int len); - int (*ssl_write) (SSL *s, const void *buf, int len); - int (*ssl_shutdown) (SSL *s); - int (*ssl_renegotiate) (SSL *s); - int (*ssl_renegotiate_check) (SSL *s); - long (*ssl_get_message) (SSL *s, int st1, int stn, int mt, long - max, int *ok); - int (*ssl_read_bytes) (SSL *s, int type, unsigned char *buf, int len, - int peek); - int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, int len); - int (*ssl_dispatch_alert) (SSL *s); - long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); - long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); - const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); - int (*put_cipher_by_char) (const SSL_CIPHER *cipher, unsigned char *ptr); - int (*ssl_pending) (const SSL *s); - int (*num_ciphers) (void); - const SSL_CIPHER *(*get_cipher) (unsigned ncipher); - const struct ssl_method_st *(*get_ssl_method) (int version); - long (*get_timeout) (void); - const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ - int (*ssl_version) (void); - long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); - long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); -}; - -/*- - * Lets make this into an ASN.1 type structure as follows - * SSL_SESSION_ID ::= SEQUENCE { - * version INTEGER, -- structure version number - * SSLversion INTEGER, -- SSL version number - * Cipher OCTET STRING, -- the 3 byte cipher ID - * Session_ID OCTET STRING, -- the Session ID - * Master_key OCTET STRING, -- the master key - * KRB5_principal OCTET STRING -- optional Kerberos principal - * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument - * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time - * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds - * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate - * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context - * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' - * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension - * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint - * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity - * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket - * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) - * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method - * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username - * } - * Look in ssl/ssl_asn1.c for more details - * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). - */ -struct ssl_session_st { - int ssl_version; /* what ssl version session info is being - * kept in here? */ - int master_key_length; - unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH]; - /* session_id - valid? */ - unsigned int session_id_length; - unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; - /* - * this is used to determine whether the session is being reused in the - * appropriate context. It is up to the application to set this, via - * SSL_new - */ - unsigned int sid_ctx_length; - unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; -# ifndef OPENSSL_NO_KRB5 - unsigned int krb5_client_princ_len; - unsigned char krb5_client_princ[SSL_MAX_KRB5_PRINCIPAL_LENGTH]; -# endif /* OPENSSL_NO_KRB5 */ -# ifndef OPENSSL_NO_PSK - char *psk_identity_hint; - char *psk_identity; -# endif - /* - * Used to indicate that session resumption is not allowed. Applications - * can also set this bit for a new session via not_resumable_session_cb - * to disable session caching and tickets. - */ - int not_resumable; - /* The cert is the certificate used to establish this connection */ - struct sess_cert_st /* SESS_CERT */ *sess_cert; - /* - * This is the cert for the other end. On clients, it will be the same as - * sess_cert->peer_key->x509 (the latter is not enough as sess_cert is - * not retained in the external representation of sessions, see - * ssl_asn1.c). - */ - X509 *peer; - /* - * when app_verify_callback accepts a session where the peer's - * certificate is not ok, we must remember the error for session reuse: - */ - long verify_result; /* only for servers */ - int references; - long timeout; - long time; - unsigned int compress_meth; /* Need to lookup the method */ - const SSL_CIPHER *cipher; - unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used - * to load the 'cipher' structure */ - STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ - CRYPTO_EX_DATA ex_data; /* application specific data */ - /* - * These are used to make removal of session-ids more efficient and to - * implement a maximum cache size. - */ - struct ssl_session_st *prev, *next; -# ifndef OPENSSL_NO_TLSEXT - char *tlsext_hostname; -# ifndef OPENSSL_NO_EC - size_t tlsext_ecpointformatlist_length; - unsigned char *tlsext_ecpointformatlist; /* peer's list */ - size_t tlsext_ellipticcurvelist_length; - unsigned char *tlsext_ellipticcurvelist; /* peer's list */ -# endif /* OPENSSL_NO_EC */ - /* RFC4507 info */ - unsigned char *tlsext_tick; /* Session ticket */ - size_t tlsext_ticklen; /* Session ticket length */ - long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */ -# endif -# ifndef OPENSSL_NO_SRP - char *srp_username; -# endif -}; - -# endif - /* Allow initial connection to servers that don't support RI */ # define SSL_OP_LEGACY_SERVER_CONNECT 0x00000004L # define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x00000008L @@ -818,27 +658,6 @@ void SSL_set_msg_callback(SSL *ssl, # ifndef OPENSSL_NO_SRP -# ifndef OPENSSL_NO_SSL_INTERN - -typedef struct srp_ctx_st { - /* param for all the callbacks */ - void *SRP_cb_arg; - /* set client Hello login callback */ - int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); - /* set SRP N/g param callback for verification */ - int (*SRP_verify_param_callback) (SSL *, void *); - /* set SRP client passwd callback */ - char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); - char *login; - BIGNUM *N, *g, *s, *B, *A; - BIGNUM *a, *b, *v; - char *info; - int strength; - unsigned long srp_Mask; -} SRP_CTX; - -# endif - /* see tls_srp.c */ int SSL_SRP_CTX_init(SSL *s); int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx); @@ -878,271 +697,6 @@ typedef int (*GEN_SESSION_CB) (const SSL *ssl, unsigned char *id, typedef struct ssl_comp_st SSL_COMP; -# ifndef OPENSSL_NO_SSL_INTERN - -struct ssl_comp_st { - int id; - const char *name; -# ifndef OPENSSL_NO_COMP - COMP_METHOD *method; -# else - char *method; -# endif -}; - -DECLARE_STACK_OF(SSL_COMP) -DECLARE_LHASH_OF(SSL_SESSION); - -struct ssl_ctx_st { - const SSL_METHOD *method; - STACK_OF(SSL_CIPHER) *cipher_list; - /* same as above but sorted for lookup */ - STACK_OF(SSL_CIPHER) *cipher_list_by_id; - struct x509_store_st /* X509_STORE */ *cert_store; - LHASH_OF(SSL_SESSION) *sessions; - /* - * Most session-ids that will be cached, default is - * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. - */ - unsigned long session_cache_size; - struct ssl_session_st *session_cache_head; - struct ssl_session_st *session_cache_tail; - /* - * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, - * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which - * means only SSL_accept which cache SSL_SESSIONS. - */ - int session_cache_mode; - /* - * If timeout is not 0, it is the default timeout value set when - * SSL_new() is called. This has been put in to make life easier to set - * things up - */ - long session_timeout; - /* - * If this callback is not null, it will be called each time a session id - * is added to the cache. If this function returns 1, it means that the - * callback will do a SSL_SESSION_free() when it has finished using it. - * Otherwise, on 0, it means the callback has finished with it. If - * remove_session_cb is not null, it will be called when a session-id is - * removed from the cache. After the call, OpenSSL will - * SSL_SESSION_free() it. - */ - int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); - void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); - SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, - unsigned char *data, int len, int *copy); - struct { - int sess_connect; /* SSL new conn - started */ - int sess_connect_renegotiate; /* SSL reneg - requested */ - int sess_connect_good; /* SSL new conne/reneg - finished */ - int sess_accept; /* SSL new accept - started */ - int sess_accept_renegotiate; /* SSL reneg - requested */ - int sess_accept_good; /* SSL accept/reneg - finished */ - int sess_miss; /* session lookup misses */ - int sess_timeout; /* reuse attempt on timeouted session */ - int sess_cache_full; /* session removed due to full cache */ - int sess_hit; /* session reuse actually done */ - int sess_cb_hit; /* session-id that was not in the cache was - * passed back via the callback. This - * indicates that the application is - * supplying session-id's from other - * processes - spooky :-) */ - } stats; - - int references; - - /* if defined, these override the X509_verify_cert() calls */ - int (*app_verify_callback) (X509_STORE_CTX *, void *); - void *app_verify_arg; - /* - * before OpenSSL 0.9.7, 'app_verify_arg' was ignored - * ('app_verify_callback' was called with just one argument) - */ - - /* Default password callback. */ - pem_password_cb *default_passwd_callback; - - /* Default password callback user data. */ - void *default_passwd_callback_userdata; - - /* get client cert callback */ - int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); - - /* cookie generate callback */ - int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, - unsigned int *cookie_len); - - /* verify cookie callback */ - int (*app_verify_cookie_cb) (SSL *ssl, unsigned char *cookie, - unsigned int cookie_len); - - CRYPTO_EX_DATA ex_data; - - const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ - const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ - - STACK_OF(X509) *extra_certs; - STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ - - /* Default values used when no per-SSL value is defined follow */ - - /* used if SSL's info_callback is NULL */ - void (*info_callback) (const SSL *ssl, int type, int val); - - /* what we put in client cert requests */ - STACK_OF(X509_NAME) *client_CA; - - /* - * Default values to use in SSL structures follow (these are copied by - * SSL_new) - */ - - unsigned long options; - unsigned long mode; - long max_cert_list; - - struct cert_st /* CERT */ *cert; - int read_ahead; - - /* callback that allows applications to peek at protocol messages */ - void (*msg_callback) (int write_p, int version, int content_type, - const void *buf, size_t len, SSL *ssl, void *arg); - void *msg_callback_arg; - - int verify_mode; - unsigned int sid_ctx_length; - unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; - /* called 'verify_callback' in the SSL */ - int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); - - /* Default generate session ID callback. */ - GEN_SESSION_CB generate_session_id; - - X509_VERIFY_PARAM *param; - - int quiet_shutdown; - - /* - * Maximum amount of data to send in one fragment. actual record size can - * be more than this due to padding and MAC overheads. - */ - unsigned int max_send_fragment; - -# ifndef OPENSSL_NO_ENGINE - /* - * Engine to pass requests for client certs to - */ - ENGINE *client_cert_engine; -# endif - -# ifndef OPENSSL_NO_TLSEXT - /* TLS extensions servername callback */ - int (*tlsext_servername_callback) (SSL *, int *, void *); - void *tlsext_servername_arg; - /* RFC 4507 session ticket keys */ - unsigned char tlsext_tick_key_name[16]; - unsigned char tlsext_tick_hmac_key[16]; - unsigned char tlsext_tick_aes_key[16]; - /* Callback to support customisation of ticket key setting */ - int (*tlsext_ticket_key_cb) (SSL *ssl, - unsigned char *name, unsigned char *iv, - EVP_CIPHER_CTX *ectx, - HMAC_CTX *hctx, int enc); - - /* certificate status request info */ - /* Callback for status request */ - int (*tlsext_status_cb) (SSL *ssl, void *arg); - void *tlsext_status_arg; -# endif - -# ifndef OPENSSL_NO_PSK - char *psk_identity_hint; - unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, - char *identity, - unsigned int max_identity_len, - unsigned char *psk, - unsigned int max_psk_len); - unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, - unsigned char *psk, - unsigned int max_psk_len); -# endif - -# ifndef OPENSSL_NO_SRP - SRP_CTX srp_ctx; /* ctx for SRP authentication */ -# endif - -# ifndef OPENSSL_NO_TLSEXT - -# ifndef OPENSSL_NO_NEXTPROTONEG - /* Next protocol negotiation information */ - /* (for experimental NPN extension). */ - - /* - * For a server, this contains a callback function by which the set of - * advertised protocols can be provided. - */ - int (*next_protos_advertised_cb) (SSL *s, const unsigned char **buf, - unsigned int *len, void *arg); - void *next_protos_advertised_cb_arg; - /* - * For a client, this contains a callback function that selects the next - * protocol from the list provided by the server. - */ - int (*next_proto_select_cb) (SSL *s, unsigned char **out, - unsigned char *outlen, - const unsigned char *in, - unsigned int inlen, void *arg); - void *next_proto_select_cb_arg; -# endif - - /* - * ALPN information (we are in the process of transitioning from NPN to - * ALPN.) - */ - - /*- - * For a server, this contains a callback function that allows the - * server to select the protocol for the connection. - * out: on successful return, this must point to the raw protocol - * name (without the length prefix). - * outlen: on successful return, this contains the length of |*out|. - * in: points to the client's list of supported protocols in - * wire-format. - * inlen: the length of |in|. - */ - int (*alpn_select_cb) (SSL *s, - const unsigned char **out, - unsigned char *outlen, - const unsigned char *in, - unsigned int inlen, void *arg); - void *alpn_select_cb_arg; - - /* - * For a client, this contains the list of supported protocols in wire - * format. - */ - unsigned char *alpn_client_proto_list; - unsigned alpn_client_proto_list_len; - - /* SRTP profiles we are willing to do from RFC 5764 */ - STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; -# endif - /* - * Callback for disabling session caching and ticket support on a session - * basis, depending on the chosen cipher. - */ - int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); -# ifndef OPENSSL_NO_EC - /* EC extension values inherited by SSL structure */ - size_t tlsext_ecpointformatlist_length; - unsigned char *tlsext_ecpointformatlist; - size_t tlsext_ellipticcurvelist_length; - unsigned char *tlsext_ellipticcurvelist; -# endif /* OPENSSL_NO_EC */ -}; - -# endif # define SSL_SESS_CACHE_OFF 0x0000 # define SSL_SESS_CACHE_CLIENT 0x0001 @@ -1376,262 +930,6 @@ int SSL_extension_supported(unsigned int ext_type); # define SSL_MAC_FLAG_READ_MAC_STREAM 1 # define SSL_MAC_FLAG_WRITE_MAC_STREAM 2 -# ifndef OPENSSL_NO_SSL_INTERN - -struct ssl_st { - /* - * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, - * DTLS1_VERSION) - */ - int version; - /* SSL_ST_CONNECT or SSL_ST_ACCEPT */ - int type; - /* SSLv3 */ - const SSL_METHOD *method; - /* - * There are 2 BIO's even though they are normally both the same. This - * is so data can be read and written to different handlers - */ - /* used by SSL_read */ - BIO *rbio; - /* used by SSL_write */ - BIO *wbio; - /* used during session-id reuse to concatenate messages */ - BIO *bbio; - /* - * This holds a variable that indicates what we were doing when a 0 or -1 - * is returned. This is needed for non-blocking IO so we know what - * request needs re-doing when in SSL_accept or SSL_connect - */ - int rwstate; - /* true when we are actually in SSL_accept() or SSL_connect() */ - int in_handshake; - int (*handshake_func) (SSL *); - /* - * Imagine that here's a boolean member "init" that is switched as soon - * as SSL_set_{accept/connect}_state is called for the first time, so - * that "state" and "handshake_func" are properly initialized. But as - * handshake_func is == 0 until then, we use this test instead of an - * "init" member. - */ - /* are we the server side? - mostly used by SSL_clear */ - int server; - /* - * Generate a new session or reuse an old one. - * NB: For servers, the 'new' session may actually be a previously - * cached session or even the previous session unless - * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set - */ - int new_session; - /* don't send shutdown packets */ - int quiet_shutdown; - /* we have shut things down, 0x01 sent, 0x02 for received */ - int shutdown; - /* where we are */ - int state; - /* where we are when reading */ - int rstate; - BUF_MEM *init_buf; /* buffer used during init */ - void *init_msg; /* pointer to handshake message body, set by - * ssl3_get_message() */ - int init_num; /* amount read/written */ - int init_off; /* amount read/written */ - /* used internally to point at a raw packet */ - unsigned char *packet; - unsigned int packet_length; - struct ssl3_state_st *s3; /* SSLv3 variables */ - struct dtls1_state_st *d1; /* DTLSv1 variables */ - int read_ahead; /* Read as many input bytes as possible (for - * non-blocking reads) */ - /* callback that allows applications to peek at protocol messages */ - void (*msg_callback) (int write_p, int version, int content_type, - const void *buf, size_t len, SSL *ssl, void *arg); - void *msg_callback_arg; - int hit; /* reusing a previous session */ - X509_VERIFY_PARAM *param; - /* crypto */ - STACK_OF(SSL_CIPHER) *cipher_list; - STACK_OF(SSL_CIPHER) *cipher_list_by_id; - /* - * These are the ones being used, the ones in SSL_SESSION are the ones to - * be 'copied' into these ones - */ - int mac_flags; - EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ - EVP_MD_CTX *read_hash; /* used for mac generation */ -# ifndef OPENSSL_NO_COMP - COMP_CTX *expand; /* uncompress */ -# else - char *expand; -# endif - EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ - EVP_MD_CTX *write_hash; /* used for mac generation */ -# ifndef OPENSSL_NO_COMP - COMP_CTX *compress; /* compression */ -# else - char *compress; -# endif - /* session info */ - /* client cert? */ - /* This is used to hold the server certificate used */ - struct cert_st /* CERT */ *cert; - /* - * the session_id_context is used to ensure sessions are only reused in - * the appropriate context - */ - unsigned int sid_ctx_length; - unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; - /* This can also be in the session once a session is established */ - SSL_SESSION *session; - /* Default generate session ID callback. */ - GEN_SESSION_CB generate_session_id; - /* Used in SSL3 */ - /* - * 0 don't care about verify failure. - * 1 fail if verify fails - */ - int verify_mode; - /* fail if callback returns 0 */ - int (*verify_callback) (int ok, X509_STORE_CTX *ctx); - /* optional informational callback */ - void (*info_callback) (const SSL *ssl, int type, int val); - /* error bytes to be written */ - int error; - /* actual code */ - int error_code; -# ifndef OPENSSL_NO_KRB5 - /* Kerberos 5 context */ - KSSL_CTX *kssl_ctx; -# endif /* OPENSSL_NO_KRB5 */ -# ifndef OPENSSL_NO_PSK - unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, - char *identity, - unsigned int max_identity_len, - unsigned char *psk, - unsigned int max_psk_len); - unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, - unsigned char *psk, - unsigned int max_psk_len); -# endif - SSL_CTX *ctx; - /* - * set this flag to 1 and a sleep(1) is put into all SSL_read() and - * SSL_write() calls, good for nbio debuging :-) - */ - int debug; - /* extra application data */ - long verify_result; - CRYPTO_EX_DATA ex_data; - /* for server side, keep the list of CA_dn we can use */ - STACK_OF(X509_NAME) *client_CA; - int references; - /* protocol behaviour */ - unsigned long options; - /* API behaviour */ - unsigned long mode; - long max_cert_list; - int first_packet; - /* what was passed, used for SSLv3/TLS rollback check */ - int client_version; - unsigned int max_send_fragment; -# ifndef OPENSSL_NO_TLSEXT - /* TLS extension debug callback */ - void (*tlsext_debug_cb) (SSL *s, int client_server, int type, - unsigned char *data, int len, void *arg); - void *tlsext_debug_arg; - char *tlsext_hostname; - /*- - * no further mod of servername - * 0 : call the servername extension callback. - * 1 : prepare 2, allow last ack just after in server callback. - * 2 : don't call servername callback, no ack in server hello - */ - int servername_done; - /* certificate status request info */ - /* Status type or -1 if no status type */ - int tlsext_status_type; - /* Expect OCSP CertificateStatus message */ - int tlsext_status_expected; - /* OCSP status request only */ - STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids; - X509_EXTENSIONS *tlsext_ocsp_exts; - /* OCSP response received or to be sent */ - unsigned char *tlsext_ocsp_resp; - int tlsext_ocsp_resplen; - /* RFC4507 session ticket expected to be received or sent */ - int tlsext_ticket_expected; -# ifndef OPENSSL_NO_EC - size_t tlsext_ecpointformatlist_length; - /* our list */ - unsigned char *tlsext_ecpointformatlist; - size_t tlsext_ellipticcurvelist_length; - /* our list */ - unsigned char *tlsext_ellipticcurvelist; -# endif /* OPENSSL_NO_EC */ - /* TLS Session Ticket extension override */ - TLS_SESSION_TICKET_EXT *tlsext_session_ticket; - /* TLS Session Ticket extension callback */ - tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb; - void *tls_session_ticket_ext_cb_arg; - /* TLS pre-shared secret session resumption */ - tls_session_secret_cb_fn tls_session_secret_cb; - void *tls_session_secret_cb_arg; - SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */ -# ifndef OPENSSL_NO_NEXTPROTONEG - /* - * Next protocol negotiation. For the client, this is the protocol that - * we sent in NextProtocol and is set when handling ServerHello - * extensions. For a server, this is the client's selected_protocol from - * NextProtocol and is set when handling the NextProtocol message, before - * the Finished message. - */ - unsigned char *next_proto_negotiated; - unsigned char next_proto_negotiated_len; -# endif -# define session_ctx initial_ctx - /* What we'll do */ - STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; - /* What's been chosen */ - SRTP_PROTECTION_PROFILE *srtp_profile; - /*- - * Is use of the Heartbeat extension negotiated? - * 0: disabled - * 1: enabled - * 2: enabled, but not allowed to send Requests - */ - unsigned int tlsext_heartbeat; - /* Indicates if a HeartbeatRequest is in flight */ - unsigned int tlsext_hb_pending; - /* HeartbeatRequest sequence number */ - unsigned int tlsext_hb_seq; - /* - * For a client, this contains the list of supported protocols in wire - * format. - */ - unsigned char *alpn_client_proto_list; - unsigned alpn_client_proto_list_len; -# else -# define session_ctx ctx -# endif /* OPENSSL_NO_TLSEXT */ - /*- - * 1 if we are renegotiating. - * 2 if we are a server and are inside a handshake - * (i.e. not just sending a HelloRequest) - */ - int renegotiate; -# ifndef OPENSSL_NO_SRP - /* ctx for SRP authentication */ - SRP_CTX srp_ctx; -# endif - /* - * Callback for disabling session caching and ticket support on a session - * basis, depending on the chosen cipher. - */ - int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); -}; - -# endif - #ifdef __cplusplus } #endif |