X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fssl_locl.h;h=a51cc6caa910bd1f55e1334a417f5282d4b18354;hp=4b8482aeb793daa2049f827542ab91b0a8e36b4b;hb=c96ce52ce293785b54a42d119c457aef739cc2ce;hpb=f865b08143b453962ad4afccd69e698d13c60f77 diff --git a/ssl/ssl_locl.h b/ssl/ssl_locl.h index 4b8482aeb7..a51cc6caa9 100644 --- a/ssl/ssl_locl.h +++ b/ssl/ssl_locl.h @@ -3,7 +3,7 @@ * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved * Copyright 2005 Nokia. All rights reserved. * - * Licensed under the OpenSSL license (the "License"). You may not use + * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html @@ -33,6 +33,8 @@ # include "packet_locl.h" # include "internal/dane.h" # include "internal/refcount.h" +# include "internal/tsan_assist.h" +# include "internal/bio.h" # ifdef OPENSSL_BUILD_SHLIBSSL # undef OPENSSL_EXTERN @@ -129,6 +131,9 @@ (c)[1]=(unsigned char)(((l)>> 8)&0xff), \ (c)[2]=(unsigned char)(((l) )&0xff)),(c)+=3) +# define TLS_MAX_VERSION_INTERNAL TLS1_3_VERSION +# define DTLS_MAX_VERSION_INTERNAL DTLS1_2_VERSION + /* * DTLS version numbers are strange because they're inverted. Except for * DTLS1_BAD_VER, which should be considered "lower" than the rest. @@ -383,11 +388,6 @@ # define SSL_PKEY_ED25519 7 # define SSL_PKEY_ED448 8 # define SSL_PKEY_NUM 9 -/* - * Pseudo-constant. GOST cipher suites can use different certs for 1 - * SSL_CIPHER. So let's see which one we have in fact. - */ -# define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1 /*- * SSL_kRSA <- RSA_ENC @@ -475,6 +475,12 @@ struct ssl_method_st { long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); }; +/* + * Matches the length of PSK_MAX_PSK_LEN. We keep it the same value for + * consistency, even in the event of OPENSSL_NO_PSK being defined. + */ +# define TLS13_MAX_RESUMPTION_PSK_LENGTH 256 + /*- * Lets make this into an ASN.1 type structure as follows * SSL_SESSION_ID ::= SEQUENCE { @@ -510,9 +516,9 @@ struct ssl_session_st { unsigned char early_secret[EVP_MAX_MD_SIZE]; /* * For <=TLS1.2 this is the master_key. For TLS1.3 this is the resumption - * master secret + * PSK */ - unsigned char master_key[TLS13_MAX_RESUMPTION_MASTER_LENGTH]; + unsigned char master_key[TLS13_MAX_RESUMPTION_PSK_LENGTH]; /* session_id - valid? */ size_t session_id_length; unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; @@ -550,7 +556,7 @@ struct ssl_session_st { 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? */ + STACK_OF(SSL_CIPHER) *ciphers; /* ciphers offered by the client */ CRYPTO_EX_DATA ex_data; /* application specific data */ /* * These are used to make removal of session-ids more efficient and to @@ -572,9 +578,6 @@ struct ssl_session_st { /* Session lifetime hint in seconds */ unsigned long tick_lifetime_hint; uint32_t tick_age_add; - unsigned char *tick_nonce; - size_t tick_nonce_len; - int tick_identity; /* Max number of bytes that can be sent as early data */ uint32_t max_early_data; /* The ALPN protocol selected for this session */ @@ -733,7 +736,13 @@ DEFINE_LHASH_OF(SSL_SESSION); /* Needed in ssl_cert.c */ DEFINE_LHASH_OF(X509_NAME); -# define TLSEXT_KEYNAME_LENGTH 16 +# define TLSEXT_KEYNAME_LENGTH 16 +# define TLSEXT_TICK_KEY_LENGTH 32 + +typedef struct ssl_ctx_ext_secure_st { + unsigned char tick_hmac_key[TLSEXT_TICK_KEY_LENGTH]; + unsigned char tick_aes_key[TLSEXT_TICK_KEY_LENGTH]; +} SSL_CTX_EXT_SECURE; struct ssl_ctx_st { const SSL_METHOD *method; @@ -778,21 +787,23 @@ struct ssl_ctx_st { const 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 - * :-) */ + TSAN_QUALIFIER int sess_connect; /* SSL new conn - started */ + TSAN_QUALIFIER int sess_connect_renegotiate; /* SSL reneg - requested */ + TSAN_QUALIFIER int sess_connect_good; /* SSL new conne/reneg - finished */ + TSAN_QUALIFIER int sess_accept; /* SSL new accept - started */ + TSAN_QUALIFIER int sess_accept_renegotiate; /* SSL reneg - requested */ + TSAN_QUALIFIER int sess_accept_good; /* SSL accept/reneg - finished */ + TSAN_QUALIFIER int sess_miss; /* session lookup misses */ + TSAN_QUALIFIER int sess_timeout; /* reuse attempt on timeouted session */ + TSAN_QUALIFIER int sess_cache_full; /* session removed due to full cache */ + TSAN_QUALIFIER int sess_hit; /* session reuse actually done */ + TSAN_QUALIFIER 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; CRYPTO_REF_COUNT references; @@ -846,9 +857,11 @@ struct ssl_ctx_st { /* * What we put in certificate_authorities extension for TLS 1.3 * (ClientHello and CertificateRequest) or just client cert requests for - * earlier versions. + * earlier versions. If client_ca_names is populated then it is only used + * for client cert requests, and in preference to ca_names. */ STACK_OF(X509_NAME) *ca_names; + STACK_OF(X509_NAME) *client_ca_names; /* * Default values to use in SSL structures follow (these are copied by @@ -927,8 +940,7 @@ struct ssl_ctx_st { void *servername_arg; /* RFC 4507 session ticket keys */ unsigned char tick_key_name[TLSEXT_KEYNAME_LENGTH]; - unsigned char tick_hmac_key[32]; - unsigned char tick_aes_key[32]; + SSL_CTX_EXT_SECURE *secure; /* Callback to support customisation of ticket key setting */ int (*ticket_key_cb) (SSL *ssl, unsigned char *name, unsigned char *iv, @@ -1014,8 +1026,10 @@ struct ssl_ctx_st { /* Shared DANE context */ struct dane_ctx_st dane; +# ifndef OPENSSL_NO_SRTP /* 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. @@ -1030,9 +1044,18 @@ struct ssl_ctx_st { */ SSL_CTX_keylog_cb_func keylog_callback; - /* The maximum number of bytes that can be sent as early data */ + /* + * The maximum number of bytes advertised in session tickets that can be + * sent as early data. + */ uint32_t max_early_data; + /* + * The maximum number of bytes of early data that a server will tolerate + * (which should be at least as much as max_early_data). + */ + uint32_t recv_max_early_data; + /* TLS1.3 padding callback */ size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg); void *record_padding_arg; @@ -1042,6 +1065,20 @@ struct ssl_ctx_st { SSL_CTX_generate_session_ticket_fn generate_ticket_cb; SSL_CTX_decrypt_session_ticket_fn decrypt_ticket_cb; void *ticket_cb_data; + + /* The number of TLS1.3 tickets to automatically send */ + size_t num_tickets; + + /* Callback to determine if early_data is acceptable or not */ + SSL_allow_early_data_cb_fn allow_early_data_cb; + void *allow_early_data_cb_data; + + /* Do we advertise Post-handshake auth support? */ + int pha_enabled; + + /* Callback for SSL async handling */ + SSL_async_callback_fn async_cb; + void *async_cb_arg; }; struct ssl_st { @@ -1118,12 +1155,12 @@ struct ssl_st { */ uint32_t mac_flags; /* - * The TLS1.3 secrets. The resumption master secret is stored in the - * session. + * The TLS1.3 secrets. */ unsigned char early_secret[EVP_MAX_MD_SIZE]; unsigned char handshake_secret[EVP_MAX_MD_SIZE]; unsigned char master_secret[EVP_MAX_MD_SIZE]; + unsigned char resumption_master_secret[EVP_MAX_MD_SIZE]; unsigned char client_finished_secret[EVP_MAX_MD_SIZE]; unsigned char server_finished_secret[EVP_MAX_MD_SIZE]; unsigned char server_finished_hash[EVP_MAX_MD_SIZE]; @@ -1140,8 +1177,6 @@ struct ssl_st { EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ unsigned char write_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static write IV */ EVP_MD_CTX *write_hash; /* used for mac generation */ - /* Count of how many KeyUpdate messages we have received */ - unsigned int key_update_count; /* session info */ /* client cert? */ /* This is used to hold the server certificate used */ @@ -1198,14 +1233,21 @@ struct ssl_st { # endif SSL_psk_find_session_cb_func psk_find_session_cb; SSL_psk_use_session_cb_func psk_use_session_cb; + SSL_CTX *ctx; /* Verified chain of peer */ STACK_OF(X509) *verified_chain; long verify_result; /* extra application data */ CRYPTO_EX_DATA ex_data; - /* for server side, keep the list of CA_dn we can use */ + /* + * What we put in certificate_authorities extension for TLS 1.3 + * (ClientHello and CertificateRequest) or just client cert requests for + * earlier versions. If client_ca_names is populated then it is only used + * for client cert requests, and in preference to ca_names. + */ STACK_OF(X509_NAME) *ca_names; + STACK_OF(X509_NAME) *client_ca_names; CRYPTO_REF_COUNT references; /* protocol behaviour */ uint32_t options; @@ -1321,6 +1363,13 @@ struct ssl_st { * as this extension is optional on server side. */ uint8_t max_fragment_len_mode; + + /* + * On the client side the number of ticket identities we sent in the + * ClientHello. On the server side the identity of the ticket we + * selected. + */ + int tick_identity; } ext; /* @@ -1353,10 +1402,12 @@ struct ssl_st { int scts_parsed; # endif SSL_CTX *session_ctx; /* initial ctx, used to store sessions */ +# ifndef OPENSSL_NO_SRTP /* What we'll do */ STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; /* What's been chosen */ SRTP_PROTECTION_PROFILE *srtp_profile; +# endif /*- * 1 if we are renegotiating. * 2 if we are a server and are inside a handshake @@ -1367,7 +1418,7 @@ struct ssl_st { int key_update; /* Post-handshake authentication state */ SSL_PHA_STATE post_handshake_auth; - int pha_forced; + int pha_enabled; uint8_t* pha_context; size_t pha_context_len; int certreqs_sent; @@ -1392,8 +1443,17 @@ struct ssl_st { ASYNC_WAIT_CTX *waitctx; size_t asyncrw; - /* The maximum number of plaintext bytes that can be sent as early data */ + /* + * The maximum number of bytes advertised in session tickets that can be + * sent as early data. + */ uint32_t max_early_data; + /* + * The maximum number of bytes of early data that a server will tolerate + * (which should be at least as much as max_early_data). + */ + uint32_t recv_max_early_data; + /* * The number of bytes of early data received so far. If we accepted early * data then this is a count of the plaintext bytes. If we rejected it then @@ -1408,6 +1468,21 @@ struct ssl_st { CRYPTO_RWLOCK *lock; RAND_DRBG *drbg; + + /* The number of TLS1.3 tickets to automatically send */ + size_t num_tickets; + /* The number of TLS1.3 tickets actually sent so far */ + size_t sent_tickets; + /* The next nonce value to use when we send a ticket on this connection */ + uint64_t next_ticket_nonce; + + /* Callback to determine if early_data is acceptable or not */ + SSL_allow_early_data_cb_fn allow_early_data_cb; + void *allow_early_data_cb_data; + + /* Callback for SSL async handling */ + SSL_async_callback_fn async_cb; + void *async_cb_arg; }; /* @@ -1995,9 +2070,6 @@ typedef enum downgrade_en { #define TLSEXT_KEX_MODE_FLAG_KE 1 #define TLSEXT_KEX_MODE_FLAG_KE_DHE 2 -/* An invalid index into the TLSv1.3 PSK identities */ -#define TLSEXT_PSK_BAD_IDENTITY -1 - #define SSL_USE_PSS(s) (s->s3->tmp.peer_sigalg != NULL && \ s->s3->tmp.peer_sigalg->sig == EVP_PKEY_RSA_PSS) @@ -2196,6 +2268,8 @@ void ssl_cert_clear_certs(CERT *c); void ssl_cert_free(CERT *c); __owur int ssl_generate_session_id(SSL *s, SSL_SESSION *ss); __owur int ssl_get_new_session(SSL *s, int session); +__owur SSL_SESSION *lookup_sess_in_cache(SSL *s, const unsigned char *sess_id, + size_t sess_id_len); __owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello); __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); @@ -2238,11 +2312,11 @@ __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); -__owur int ssl_randbytes(SSL *s, unsigned char *buf, size_t num); __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other); __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, void *other); +__owur int ssl_cert_lookup_by_nid(int nid, size_t *pidx); __owur const SSL_CERT_LOOKUP *ssl_cert_lookup_by_pkey(const EVP_PKEY *pk, size_t *pidx); __owur const SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx); @@ -2255,7 +2329,7 @@ __owur int ssl_get_server_cert_serverinfo(SSL *s, size_t *serverinfo_length); void ssl_set_masks(SSL *s); __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); -__owur int ssl_verify_alarm_type(long type); +__owur int ssl_x509err2alert(int type); void ssl_sort_cipher_list(void); int ssl_load_ciphers(void); __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, @@ -2323,7 +2397,8 @@ __owur int ssl3_handshake_write(SSL *s); __owur int ssl_allow_compression(SSL *s); -__owur int ssl_version_supported(const SSL *s, int version); +__owur int ssl_version_supported(const SSL *s, int version, + const SSL_METHOD **meth); __owur int ssl_set_client_hello_version(SSL *s); __owur int ssl_check_version_downgrade(SSL *s); @@ -2333,7 +2408,7 @@ __owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello, __owur int ssl_choose_client_version(SSL *s, int version, RAW_EXTENSION *extensions); __owur int ssl_get_min_max_version(const SSL *s, int *min_version, - int *max_version); + int *max_version, int *real_max); __owur long tls1_default_timeout(void); __owur int dtls1_do_write(SSL *s, int type); @@ -2399,7 +2474,7 @@ __owur int tls13_hkdf_expand(SSL *s, const EVP_MD *md, const unsigned char *secret, const unsigned char *label, size_t labellen, const unsigned char *data, size_t datalen, - unsigned char *out, size_t outlen); + unsigned char *out, size_t outlen, int fatal); __owur int tls13_derive_key(SSL *s, const EVP_MD *md, const unsigned char *secret, unsigned char *key, size_t keylen); @@ -2446,7 +2521,7 @@ SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); # ifndef OPENSSL_NO_EC __owur const TLS_GROUP_INFO *tls1_group_id_lookup(uint16_t curve_id); -__owur int tls1_check_group_id(SSL *s, uint16_t group_id); +__owur int tls1_check_group_id(SSL *s, uint16_t group_id, int check_own_curves); __owur uint16_t tls1_shared_group(SSL *s, int nmatch); __owur int tls1_set_groups(uint16_t **pext, size_t *pextlen, int *curves, size_t ncurves); @@ -2465,9 +2540,9 @@ void tls1_get_supported_groups(SSL *s, const uint16_t **pgroups, __owur int tls1_set_server_sigalgs(SSL *s); -__owur SSL_TICKET_RETURN tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello, +__owur SSL_TICKET_STATUS tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello, SSL_SESSION **ret); -__owur SSL_TICKET_RETURN tls_decrypt_ticket(SSL *s, const unsigned char *etick, +__owur SSL_TICKET_STATUS tls_decrypt_ticket(SSL *s, const unsigned char *etick, size_t eticklen, const unsigned char *sess_id, size_t sesslen, SSL_SESSION **psess); @@ -2510,6 +2585,9 @@ __owur int tls1_process_sigalgs(SSL *s); __owur int tls1_set_peer_legacy_sigalg(SSL *s, const EVP_PKEY *pkey); __owur int tls1_lookup_md(const SIGALG_LOOKUP *lu, const EVP_MD **pmd); __owur size_t tls12_get_psigalgs(SSL *s, int sent, const uint16_t **psigs); +# ifndef OPENSSL_NO_EC +__owur int tls_check_sigalg_curve(const SSL *s, int curve); +# endif __owur int tls12_check_peer_sigalg(SSL *s, uint16_t, EVP_PKEY *pkey); __owur int ssl_set_client_disabled(SSL *s); __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op, int echde); @@ -2546,6 +2624,8 @@ __owur int ssl_log_secret(SSL *ssl, const char *label, #define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET" #define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0" #define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0" +#define EARLY_EXPORTER_SECRET_LABEL "EARLY_EXPORTER_SECRET" +#define EXPORTER_SECRET_LABEL "EXPORTER_SECRET" /* s3_cbc.c */ __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); @@ -2589,6 +2669,9 @@ void custom_exts_free(custom_ext_methods *exts); void ssl_comp_free_compression_methods_int(void); +/* ssl_mcnf.c */ +void ssl_ctx_system_config(SSL_CTX *ctx); + # else /* OPENSSL_UNIT_TEST */ # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer