diff options
Diffstat (limited to 'deps/openssl/openssl/ssl/statem/statem_locl.h')
-rw-r--r-- | deps/openssl/openssl/ssl/statem/statem_locl.h | 350 |
1 files changed, 324 insertions, 26 deletions
diff --git a/deps/openssl/openssl/ssl/statem/statem_locl.h b/deps/openssl/openssl/ssl/statem/statem_locl.h index 5dbc62b67f..6b8cf37faa 100644 --- a/deps/openssl/openssl/ssl/statem/statem_locl.h +++ b/deps/openssl/openssl/ssl/statem/statem_locl.h @@ -18,13 +18,25 @@ /* The spec allows for a longer length than this, but we limit it */ #define HELLO_VERIFY_REQUEST_MAX_LENGTH 258 +#define END_OF_EARLY_DATA_MAX_LENGTH 0 #define SERVER_HELLO_MAX_LENGTH 20000 +#define HELLO_RETRY_REQUEST_MAX_LENGTH 20000 +#define ENCRYPTED_EXTENSIONS_MAX_LENGTH 20000 #define SERVER_KEY_EXCH_MAX_LENGTH 102400 #define SERVER_HELLO_DONE_MAX_LENGTH 0 +#define KEY_UPDATE_MAX_LENGTH 1 #define CCS_MAX_LENGTH 1 /* Max should actually be 36 but we are generous */ #define FINISHED_MAX_LENGTH 64 +/* The maximum number of incoming KeyUpdate messages we will accept */ +#define MAX_KEY_UPDATE_MESSAGES 32 + +/* Dummy message type */ +#define SSL3_MT_DUMMY -1 + +extern const unsigned char hrrrandom[]; + /* Message processing return codes */ typedef enum { /* Something bad happened */ @@ -40,9 +52,19 @@ typedef enum { MSG_PROCESS_CONTINUE_READING } MSG_PROCESS_RETURN; -/* Flush the write BIO */ -int statem_flush(SSL *s); +typedef int (*confunc_f) (SSL *s, WPACKET *pkt); + int ssl3_take_mac(SSL *s); +int check_in_list(SSL *s, uint16_t group_id, const uint16_t *groups, + size_t num_groups, int checkallow); +int create_synthetic_message_hash(SSL *s, const unsigned char *hashval, + size_t hashlen, const unsigned char *hrr, + size_t hrrlen); +int parse_ca_names(SSL *s, PACKET *pkt); +const STACK_OF(X509_NAME) *get_ca_names(SSL *s); +int construct_ca_names(SSL *s, const STACK_OF(X509_NAME) *ca_sk, WPACKET *pkt); +size_t construct_key_exchange_tbs(SSL *s, unsigned char **ptbs, + const void *param, size_t paramlen); /* * TLS/DTLS client state machine functions @@ -51,8 +73,9 @@ int ossl_statem_client_read_transition(SSL *s, int mt); WRITE_TRAN ossl_statem_client_write_transition(SSL *s); WORK_STATE ossl_statem_client_pre_work(SSL *s, WORK_STATE wst); WORK_STATE ossl_statem_client_post_work(SSL *s, WORK_STATE wst); -int ossl_statem_client_construct_message(SSL *s); -unsigned long ossl_statem_client_max_message_size(SSL *s); +int ossl_statem_client_construct_message(SSL *s, WPACKET *pkt, + confunc_f *confunc, int *mt); +size_t ossl_statem_client_max_message_size(SSL *s); MSG_PROCESS_RETURN ossl_statem_client_process_message(SSL *s, PACKET *pkt); WORK_STATE ossl_statem_client_post_process_message(SSL *s, WORK_STATE wst); @@ -63,58 +86,66 @@ int ossl_statem_server_read_transition(SSL *s, int mt); WRITE_TRAN ossl_statem_server_write_transition(SSL *s); WORK_STATE ossl_statem_server_pre_work(SSL *s, WORK_STATE wst); WORK_STATE ossl_statem_server_post_work(SSL *s, WORK_STATE wst); -int ossl_statem_server_construct_message(SSL *s); -unsigned long ossl_statem_server_max_message_size(SSL *s); +int ossl_statem_server_construct_message(SSL *s, WPACKET *pkt, + confunc_f *confunc,int *mt); +size_t ossl_statem_server_max_message_size(SSL *s); MSG_PROCESS_RETURN ossl_statem_server_process_message(SSL *s, PACKET *pkt); WORK_STATE ossl_statem_server_post_process_message(SSL *s, WORK_STATE wst); /* Functions for getting new message data */ __owur int tls_get_message_header(SSL *s, int *mt); -__owur int tls_get_message_body(SSL *s, unsigned long *len); -__owur int dtls_get_message(SSL *s, int *mt, unsigned long *len); +__owur int tls_get_message_body(SSL *s, size_t *len); +__owur int dtls_get_message(SSL *s, int *mt, size_t *len); /* Message construction and processing functions */ +__owur int tls_process_initial_server_flight(SSL *s); __owur MSG_PROCESS_RETURN tls_process_change_cipher_spec(SSL *s, PACKET *pkt); __owur MSG_PROCESS_RETURN tls_process_finished(SSL *s, PACKET *pkt); -__owur int tls_construct_change_cipher_spec(SSL *s); -__owur int dtls_construct_change_cipher_spec(SSL *s); +__owur int tls_construct_change_cipher_spec(SSL *s, WPACKET *pkt); +__owur int dtls_construct_change_cipher_spec(SSL *s, WPACKET *pkt); -__owur int tls_construct_finished(SSL *s, const char *sender, int slen); -__owur WORK_STATE tls_finish_handshake(SSL *s, WORK_STATE wst); +__owur int tls_construct_finished(SSL *s, WPACKET *pkt); +__owur int tls_construct_key_update(SSL *s, WPACKET *pkt); +__owur MSG_PROCESS_RETURN tls_process_key_update(SSL *s, PACKET *pkt); +__owur WORK_STATE tls_finish_handshake(SSL *s, WORK_STATE wst, int clearbufs, + int stop); __owur WORK_STATE dtls_wait_for_dry(SSL *s); /* some client-only functions */ -__owur int tls_construct_client_hello(SSL *s); +__owur int tls_construct_client_hello(SSL *s, WPACKET *pkt); __owur MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt); __owur MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt); __owur MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt); +__owur int tls_process_cert_status_body(SSL *s, PACKET *pkt); __owur MSG_PROCESS_RETURN tls_process_cert_status(SSL *s, PACKET *pkt); __owur MSG_PROCESS_RETURN tls_process_server_done(SSL *s, PACKET *pkt); -__owur int tls_construct_client_verify(SSL *s); +__owur int tls_construct_cert_verify(SSL *s, WPACKET *pkt); __owur WORK_STATE tls_prepare_client_certificate(SSL *s, WORK_STATE wst); -__owur int tls_construct_client_certificate(SSL *s); +__owur int tls_construct_client_certificate(SSL *s, WPACKET *pkt); __owur int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); -__owur int tls_construct_client_key_exchange(SSL *s); +__owur int tls_construct_client_key_exchange(SSL *s, WPACKET *pkt); __owur int tls_client_key_exchange_post_work(SSL *s); -__owur int tls_construct_cert_status(SSL *s); +__owur int tls_construct_cert_status_body(SSL *s, WPACKET *pkt); +__owur int tls_construct_cert_status(SSL *s, WPACKET *pkt); __owur MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt); __owur MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt); __owur int ssl3_check_cert_and_algorithm(SSL *s); #ifndef OPENSSL_NO_NEXTPROTONEG -__owur int tls_construct_next_proto(SSL *s); +__owur int tls_construct_next_proto(SSL *s, WPACKET *pkt); #endif +__owur MSG_PROCESS_RETURN tls_process_hello_req(SSL *s, PACKET *pkt); __owur MSG_PROCESS_RETURN dtls_process_hello_verify(SSL *s, PACKET *pkt); +__owur int tls_construct_end_of_early_data(SSL *s, WPACKET *pkt); /* some server-only functions */ __owur MSG_PROCESS_RETURN tls_process_client_hello(SSL *s, PACKET *pkt); __owur WORK_STATE tls_post_process_client_hello(SSL *s, WORK_STATE wst); -__owur int tls_construct_server_hello(SSL *s); -__owur int tls_construct_hello_request(SSL *s); -__owur int dtls_construct_hello_verify_request(SSL *s); -__owur int tls_construct_server_certificate(SSL *s); -__owur int tls_construct_server_key_exchange(SSL *s); -__owur int tls_construct_certificate_request(SSL *s); -__owur int tls_construct_server_done(SSL *s); +__owur int tls_construct_server_hello(SSL *s, WPACKET *pkt); +__owur int dtls_construct_hello_verify_request(SSL *s, WPACKET *pkt); +__owur int tls_construct_server_certificate(SSL *s, WPACKET *pkt); +__owur int tls_construct_server_key_exchange(SSL *s, WPACKET *pkt); +__owur int tls_construct_certificate_request(SSL *s, WPACKET *pkt); +__owur int tls_construct_server_done(SSL *s, WPACKET *pkt); __owur MSG_PROCESS_RETURN tls_process_client_certificate(SSL *s, PACKET *pkt); __owur MSG_PROCESS_RETURN tls_process_client_key_exchange(SSL *s, PACKET *pkt); __owur WORK_STATE tls_post_process_client_key_exchange(SSL *s, WORK_STATE wst); @@ -122,4 +153,271 @@ __owur MSG_PROCESS_RETURN tls_process_cert_verify(SSL *s, PACKET *pkt); #ifndef OPENSSL_NO_NEXTPROTONEG __owur MSG_PROCESS_RETURN tls_process_next_proto(SSL *s, PACKET *pkt); #endif -__owur int tls_construct_new_session_ticket(SSL *s); +__owur int tls_construct_new_session_ticket(SSL *s, WPACKET *pkt); +MSG_PROCESS_RETURN tls_process_end_of_early_data(SSL *s, PACKET *pkt); + + +/* Extension processing */ + +typedef enum ext_return_en { + EXT_RETURN_FAIL, + EXT_RETURN_SENT, + EXT_RETURN_NOT_SENT +} EXT_RETURN; + +__owur int tls_validate_all_contexts(SSL *s, unsigned int thisctx, + RAW_EXTENSION *exts); +__owur int extension_is_relevant(SSL *s, unsigned int extctx, + unsigned int thisctx); +__owur int tls_collect_extensions(SSL *s, PACKET *packet, unsigned int context, + RAW_EXTENSION **res, size_t *len, int init); +__owur int tls_parse_extension(SSL *s, TLSEXT_INDEX idx, int context, + RAW_EXTENSION *exts, X509 *x, size_t chainidx); +__owur int tls_parse_all_extensions(SSL *s, int context, RAW_EXTENSION *exts, + X509 *x, size_t chainidx, int fin); +__owur int should_add_extension(SSL *s, unsigned int extctx, + unsigned int thisctx, int max_version); +__owur int tls_construct_extensions(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); + +__owur int tls_psk_do_binder(SSL *s, const EVP_MD *md, + const unsigned char *msgstart, + size_t binderoffset, const unsigned char *binderin, + unsigned char *binderout, + SSL_SESSION *sess, int sign, int external); + +/* Server Extension processing */ +int tls_parse_ctos_renegotiate(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +int tls_parse_ctos_server_name(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +int tls_parse_ctos_maxfragmentlen(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#ifndef OPENSSL_NO_SRP +int tls_parse_ctos_srp(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +#endif +int tls_parse_ctos_early_data(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#ifndef OPENSSL_NO_EC +int tls_parse_ctos_ec_pt_formats(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +int tls_parse_ctos_supported_groups(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidxl); +#endif +int tls_parse_ctos_session_ticket(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +int tls_parse_ctos_sig_algs_cert(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +int tls_parse_ctos_sig_algs(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +#ifndef OPENSSL_NO_OCSP +int tls_parse_ctos_status_request(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#endif +#ifndef OPENSSL_NO_NEXTPROTONEG +int tls_parse_ctos_npn(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +#endif +int tls_parse_ctos_alpn(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +#ifndef OPENSSL_NO_SRTP +int tls_parse_ctos_use_srtp(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +#endif +int tls_parse_ctos_etm(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +int tls_parse_ctos_key_share(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +int tls_parse_ctos_cookie(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +int tls_parse_ctos_ems(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +int tls_parse_ctos_psk_kex_modes(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +int tls_parse_ctos_psk(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +int tls_parse_ctos_post_handshake_auth(SSL *, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); + +EXT_RETURN tls_construct_stoc_renegotiate(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_stoc_server_name(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_stoc_early_data(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_stoc_maxfragmentlen(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +#ifndef OPENSSL_NO_EC +EXT_RETURN tls_construct_stoc_ec_pt_formats(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +#endif +EXT_RETURN tls_construct_stoc_supported_groups(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_stoc_session_ticket(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +#ifndef OPENSSL_NO_OCSP +EXT_RETURN tls_construct_stoc_status_request(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +#endif +#ifndef OPENSSL_NO_NEXTPROTONEG +EXT_RETURN tls_construct_stoc_next_proto_neg(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +#endif +EXT_RETURN tls_construct_stoc_alpn(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#ifndef OPENSSL_NO_SRTP +EXT_RETURN tls_construct_stoc_use_srtp(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#endif +EXT_RETURN tls_construct_stoc_etm(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +EXT_RETURN tls_construct_stoc_ems(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +EXT_RETURN tls_construct_stoc_supported_versions(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_stoc_key_share(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_stoc_cookie(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +/* + * Not in public headers as this is not an official extension. Only used when + * SSL_OP_CRYPTOPRO_TLSEXT_BUG is set. + */ +#define TLSEXT_TYPE_cryptopro_bug 0xfde8 +EXT_RETURN tls_construct_stoc_cryptopro_bug(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_stoc_psk(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); + +/* Client Extension processing */ +EXT_RETURN tls_construct_ctos_renegotiate(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +EXT_RETURN tls_construct_ctos_server_name(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +EXT_RETURN tls_construct_ctos_maxfragmentlen(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#ifndef OPENSSL_NO_SRP +EXT_RETURN tls_construct_ctos_srp(SSL *s, WPACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +#endif +#ifndef OPENSSL_NO_EC +EXT_RETURN tls_construct_ctos_ec_pt_formats(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_ctos_supported_groups(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +#endif +EXT_RETURN tls_construct_ctos_early_data(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_ctos_session_ticket(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_ctos_sig_algs(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +#ifndef OPENSSL_NO_OCSP +EXT_RETURN tls_construct_ctos_status_request(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +#endif +#ifndef OPENSSL_NO_NEXTPROTONEG +EXT_RETURN tls_construct_ctos_npn(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#endif +EXT_RETURN tls_construct_ctos_alpn(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#ifndef OPENSSL_NO_SRTP +EXT_RETURN tls_construct_ctos_use_srtp(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#endif +EXT_RETURN tls_construct_ctos_etm(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#ifndef OPENSSL_NO_CT +EXT_RETURN tls_construct_ctos_sct(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#endif +EXT_RETURN tls_construct_ctos_ems(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +EXT_RETURN tls_construct_ctos_supported_versions(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_ctos_key_share(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_ctos_psk_kex_modes(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_ctos_cookie(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +EXT_RETURN tls_construct_ctos_padding(SSL *s, WPACKET *pkt, + unsigned int context, X509 *x, + size_t chainidx); +EXT_RETURN tls_construct_ctos_psk(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +EXT_RETURN tls_construct_ctos_post_handshake_auth(SSL *s, WPACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); + +int tls_parse_stoc_renegotiate(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +int tls_parse_stoc_server_name(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +int tls_parse_stoc_early_data(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +int tls_parse_stoc_maxfragmentlen(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#ifndef OPENSSL_NO_EC +int tls_parse_stoc_ec_pt_formats(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#endif +int tls_parse_stoc_session_ticket(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#ifndef OPENSSL_NO_OCSP +int tls_parse_stoc_status_request(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +#endif +#ifndef OPENSSL_NO_CT +int tls_parse_stoc_sct(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +#endif +#ifndef OPENSSL_NO_NEXTPROTONEG +int tls_parse_stoc_npn(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +#endif +int tls_parse_stoc_alpn(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +#ifndef OPENSSL_NO_SRTP +int tls_parse_stoc_use_srtp(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +#endif +int tls_parse_stoc_etm(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +int tls_parse_stoc_ems(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +int tls_parse_stoc_supported_versions(SSL *s, PACKET *pkt, unsigned int context, + X509 *x, size_t chainidx); +int tls_parse_stoc_key_share(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +int tls_parse_stoc_cookie(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); +int tls_parse_stoc_psk(SSL *s, PACKET *pkt, unsigned int context, X509 *x, + size_t chainidx); + +int tls_handle_alpn(SSL *s); + +int tls13_save_handshake_digest_for_pha(SSL *s); +int tls13_restore_handshake_digest_for_pha(SSL *s); |