# define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK)
+/* Any appropriate key exchange algorithm (for TLS 1.3 ciphersuites) */
+# define SSL_kANY 0x00000000U
+
/* Bits for algorithm_auth (server authentication) */
/* RSA auth */
# define SSL_aRSA 0x00000001U
# define SSL_aSRP 0x00000040U
/* GOST R 34.10-2012 signature auth */
# define SSL_aGOST12 0x00000080U
+/* Any appropriate signature auth (for TLS 1.3 ciphersuites) */
+# define SSL_aANY 0x00000000U
/* Bits for algorithm_enc (symmetric encryption) */
# define SSL_DES 0x00000001U
/* we have used 0000003f - 26 bits left to go */
+/* Flag used on OpenSSL ciphersuite ids to indicate they are for SSLv3+ */
+# define SSL3_CK_CIPHERSUITE_FLAG 0x03000000
+
/* Check if an SSL structure is using DTLS */
# define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
# define SSL_CLIENT_USE_SIGALGS(s) \
SSL_CLIENT_USE_TLS1_2_CIPHERS(s)
-# define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC)
+# define SSL_READ_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ)
+# define SSL_WRITE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE)
/* Mostly for SSLv3 */
-# define SSL_PKEY_RSA_ENC 0
-# define SSL_PKEY_RSA_SIGN 1
-# define SSL_PKEY_DSA_SIGN 2
-# define SSL_PKEY_ECC 3
-# define SSL_PKEY_GOST01 4
-# define SSL_PKEY_GOST12_256 5
-# define SSL_PKEY_GOST12_512 6
-# define SSL_PKEY_NUM 7
+# define SSL_PKEY_RSA 0
+# define SSL_PKEY_DSA_SIGN 1
+# define SSL_PKEY_ECC 2
+# define SSL_PKEY_GOST01 3
+# define SSL_PKEY_GOST12_256 4
+# define SSL_PKEY_GOST12_512 5
+# define SSL_PKEY_NUM 6
/*
* 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
+/*
+ * TODO(TLS1.3) for now use SSL_PKEY_RSA keys for PSS
+ */
+
+#define SSL_PKEY_RSA_PSS_SIGN SSL_PKEY_RSA
+
/*-
* SSL_kRSA <- RSA_ENC
* SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
* For <=TLS1.2 this is the master_key. For TLS1.3 this is the resumption
* master secret
*/
- unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
+ unsigned char master_key[TLS13_MAX_RESUMPTION_MASTER_LENGTH];
/* session_id - valid? */
size_t session_id_length;
unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
# endif
+#define MAX_COMPRESSIONS_SIZE 255
+
struct ssl_comp_st {
int id;
const char *name;
COMP_METHOD *method;
};
+typedef struct raw_extension_st {
+ /* Raw packet data for the extension */
+ PACKET data;
+ /* Set to 1 if the extension is present or 0 otherwise */
+ int present;
+ /* Set to 1 if we have already parsed the extension or 0 otherwise */
+ int parsed;
+ /* The type of this extension, i.e. a TLSEXT_TYPE_* value */
+ unsigned int type;
+} RAW_EXTENSION;
+
+typedef struct {
+ unsigned int isv2;
+ unsigned int legacy_version;
+ unsigned char random[SSL3_RANDOM_SIZE];
+ size_t session_id_len;
+ unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
+ size_t dtls_cookie_len;
+ unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH];
+ PACKET ciphersuites;
+ size_t compressions_len;
+ unsigned char compressions[MAX_COMPRESSIONS_SIZE];
+ PACKET extensions;
+ size_t pre_proc_exts_len;
+ RAW_EXTENSION *pre_proc_exts;
+} CLIENTHELLO_MSG;
+
DEFINE_LHASH_OF(SSL_SESSION);
/* Needed in ssl_cert.c */
DEFINE_LHASH_OF(X509_NAME);
ENGINE *client_cert_engine;
# endif
+ /* Early callback. Mostly for extensions, but not entirely. */
+ SSL_early_cb_fn early_cb;
+ void *early_cb_arg;
+
/* TLS extensions. */
struct {
/* TLS extensions servername callback */
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];
+ unsigned char client_app_traffic_secret[EVP_MAX_MD_SIZE];
+ unsigned char server_app_traffic_secret[EVP_MAX_MD_SIZE];
EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */
unsigned char read_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static read IV */
EVP_MD_CTX *read_hash; /* used for mac generation */
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 */
unsigned char cert_verify_hash[EVP_MAX_MD_SIZE];
size_t cert_verify_hash_len;
+ /* Flag to indicate whether we should send a HelloRetryRequest or not */
+ int hello_retry_request;
+
/*
* the session_id_context is used to ensure sessions are only reused in
* the appropriate context
unsigned char *npn;
size_t npn_len;
- /* The selected PSK key exchange mode */
+ /* The available PSK key exchange modes */
int psk_kex_mode;
+
+ /* Set to one if we have negotiated ETM */
+ int use_etm;
} ext;
+ /* Parsed form of the ClientHello, kept around across early_cb calls. */
+ CLIENTHELLO_MSG *clienthello;
+
/*-
* no further mod of servername
* 0 : call the servername extension callback.
/* Have we attempted to find/parse SCTs yet? */
int scts_parsed;
# endif
- SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */
-# ifndef OPENSSL_NO_NEXTPROTONEG
-# endif
-# define session_ctx initial_ctx
+ SSL_CTX *session_ctx; /* initial ctx, used to store sessions */
/* What we'll do */
STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
/* What's been chosen */
* (i.e. not just sending a HelloRequest)
*/
int renegotiate;
+ /* If sending a KeyUpdate is pending */
+ int key_update;
# ifndef OPENSSL_NO_SRP
/* ctx for SRP authentication */
SRP_CTX srp_ctx;
CRYPTO_RWLOCK *lock;
};
+/*
+ * Structure containing table entry of values associated with the signature
+ * algorithms (signature scheme) extension
+*/
+typedef struct sigalg_lookup_st {
+ /* TLS 1.3 signature scheme name */
+ const char *name;
+ /* Raw value used in extension */
+ uint16_t sigalg;
+ /* NID of hash algorithm */
+ int hash;
+ /* Index of hash algorithm */
+ int hash_idx;
+ /* NID of signature algorithm */
+ int sig;
+ /* Index of signature algorithm */
+ int sig_idx;
+ /* Combined hash and signature NID, if any */
+ int sigandhash;
+ /* Required public key curve (ECDSA only) */
+ int curve;
+} SIGALG_LOOKUP;
+
+typedef struct cert_pkey_st CERT_PKEY;
+
typedef struct ssl3_state_st {
long flags;
size_t read_mac_secret_size;
# endif
/* used for certificate requests */
int cert_req;
- int ctype_num;
- char ctype[SSL3_CT_NUMBER];
+ /* Certificate types in certificate request message. */
+ uint8_t *ctype;
+ size_t ctype_len;
STACK_OF(X509_NAME) *ca_names;
size_t key_block_length;
unsigned char *key_block;
unsigned char *psk;
size_t psklen;
# endif
+ /* Signature algorithm we actually use */
+ const SIGALG_LOOKUP *sigalg;
+ /* Pointer to certificate we use */
+ CERT_PKEY *cert;
/*
* signature algorithms peer reports: e.g. supported signature
* algorithms extension for server or as part of a certificate
* request for client.
*/
- unsigned int *peer_sigalgs;
+ uint16_t *peer_sigalgs;
/* Size of above array */
size_t peer_sigalgslen;
- /* Digest peer uses for signing */
- const EVP_MD *peer_md;
- /* Array of digests used for signing */
- const EVP_MD *md[SSL_PKEY_NUM];
+ /* Sigalg peer actualy uses */
+ const SIGALG_LOOKUP *peer_sigalg;
/*
* Set if corresponding CERT_PKEY can be used with current
* SSL session: e.g. appropriate curve, signature algorithms etc.
# define NAMED_CURVE_TYPE 3
# endif /* OPENSSL_NO_EC */
-typedef struct cert_pkey_st {
+struct cert_pkey_st {
X509 *x509;
EVP_PKEY *privatekey;
/* Chain for this certificate */
*/
unsigned char *serverinfo;
size_t serverinfo_length;
-} CERT_PKEY;
+};
/* Retrieve Suite B flags */
# define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS)
/* Uses to check strict mode: suite B modes are always strict */
/* Flags related to certificates */
uint32_t cert_flags;
CERT_PKEY pkeys[SSL_PKEY_NUM];
- /*
- * Certificate types (received or sent) in certificate request message.
- * On receive this is only set if number of certificate types exceeds
- * SSL3_CT_NUMBER.
- */
- unsigned char *ctypes;
- size_t ctype_num;
+ /* Custom certificate types sent in certificate request message. */
+ uint8_t *ctype;
+ size_t ctype_len;
/*
* supported signature algorithms. When set on a client this is sent in
* the client hello as the supported signature algorithms extension. For
* servers it represents the signature algorithms we are willing to use.
*/
- unsigned int *conf_sigalgs;
+ uint16_t *conf_sigalgs;
/* Size of above array */
size_t conf_sigalgslen;
/*
* represents the signature algorithms we are willing to use for client
* authentication.
*/
- unsigned int *client_sigalgs;
+ uint16_t *client_sigalgs;
/* Size of above array */
size_t client_sigalgslen;
/*
* Signature algorithms shared by client and server: cached because these
* are used most often.
*/
- TLS_SIGALGS *shared_sigalgs;
+ const SIGALG_LOOKUP **shared_sigalgs;
size_t shared_sigalgslen;
/*
* Certificate setup callback: if set is called whenever a certificate
CRYPTO_RWLOCK *lock;
} CERT;
-/* Structure containing decoded values of signature algorithms extension */
-struct tls_sigalgs_st {
- /* NID of hash algorithm */
- int hash_nid;
- /* NID of signature algorithm */
- int sign_nid;
- /* Combined hash and signature NID */
- int signandhash_nid;
- /* Raw value used in extension */
- unsigned int rsigalg;
-};
-
# define FP_ICC (int (*)(const void *,const void *))
/*
} SSL3_COMP;
# endif
-typedef struct raw_extension_st {
- /* Raw packet data for the extension */
- PACKET data;
- /* Set to 1 if the extension is present or 0 otherwise */
- int present;
- /* Set to 1 if we have already parsed the extension or 0 otherwise */
- int parsed;
- /* The type of this extension, i.e. a TLSEXT_TYPE_* value */
- unsigned int type;
-} RAW_EXTENSION;
-
/*
* Extension index values NOTE: Any updates to these defines should be mirrored
* with equivalent updates to ext_defs in extensions.c
/* An invalid index into the TLSv1.3 PSK identities */
#define TLSEXT_PSK_BAD_IDENTITY -1
-#define SIGID_IS_PSS(sigid) ((sigid) == TLSEXT_SIGALG_rsa_pss_sha256 \
- || (sigid) == TLSEXT_SIGALG_rsa_pss_sha384 \
- || (sigid) == TLSEXT_SIGALG_rsa_pss_sha512)
-
+#define SSL_USE_PSS(s) (s->s3->tmp.peer_sigalg != NULL && \
+ s->s3->tmp.peer_sigalg->sig == EVP_PKEY_RSA_PSS)
/* A dummy signature value not valid for TLSv1.2 signature algs */
#define TLSEXT_signature_rsa_pss 0x0101
-#define MAX_COMPRESSIONS_SIZE 255
-
-typedef struct {
- unsigned int isv2;
- unsigned int legacy_version;
- unsigned char random[SSL3_RANDOM_SIZE];
- size_t session_id_len;
- unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
- size_t dtls_cookie_len;
- unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH];
- PACKET ciphersuites;
- size_t compressions_len;
- unsigned char compressions[MAX_COMPRESSIONS_SIZE];
- PACKET extensions;
- RAW_EXTENSION *pre_proc_exts;
-} CLIENTHELLO_MSG;
-
extern SSL3_ENC_METHOD ssl3_undef_enc_method;
__owur const SSL_METHOD *ssl_bad_method(int ver);
const char *ssl_protocol_to_string(int version);
+/* Returns true if certificate and private key for 'idx' are present */
+static ossl_inline int ssl_has_cert(const SSL *s, int idx)
+{
+ if (idx < 0 || idx >= SSL_PKEY_NUM)
+ return 0;
+ return s->cert->pkeys[idx].x509 != NULL
+ && s->cert->pkeys[idx].privatekey != NULL;
+}
+
# ifndef OPENSSL_UNIT_TEST
+__owur int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes);
+__owur int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written);
void ssl_clear_cipher_ctx(SSL *s);
int ssl_clear_bad_session(SSL *s);
__owur CERT *ssl_cert_new(void);
void ssl_cert_clear_certs(CERT *c);
void ssl_cert_free(CERT *c);
__owur int ssl_get_new_session(SSL *s, int session);
-__owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello);
+__owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello, int *al);
__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);
DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id);
**sorted,
const char *rule_str,
CERT *c);
+__owur int ssl_cache_cipherlist(SSL *s, PACKET *cipher_suites,
+ int sslv2format, int *al);
+__owur int bytes_to_cipher_list(SSL *s, PACKET *cipher_suites,
+ STACK_OF(SSL_CIPHER) **skp,
+ STACK_OF(SSL_CIPHER) **scsvs, int sslv2format,
+ int *al);
void ssl_update_cache(SSL *s, int mode);
__owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
const EVP_MD **md, int *mac_pkey_type,
size_t *ext_overhead);
__owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c);
__owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl,
- const unsigned char *ptr);
-__owur const EVP_MD *ssl_cipher_get_handshake_md(int cipher_id);
+ const unsigned char *ptr,
+ int all);
__owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
__owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
__owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
int ssl_undefined_function(SSL *s);
__owur int ssl_undefined_void_function(void);
__owur int ssl_undefined_const_function(const SSL *s);
-__owur CERT_PKEY *ssl_get_server_send_pkey(SSL *s);
__owur int ssl_get_server_cert_serverinfo(SSL *s,
const unsigned char **serverinfo,
size_t *serverinfo_length);
-__owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c,
- const EVP_MD **pmd);
__owur int ssl_cert_type(const X509 *x, const EVP_PKEY *pkey);
void ssl_set_masks(SSL *s);
__owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
__owur size_t tls13_final_finish_mac(SSL *s, const char *str, size_t slen,
unsigned char *p);
__owur int tls13_change_cipher_state(SSL *s, int which);
+__owur int tls13_update_key(SSL *s, int send);
__owur int tls13_hkdf_expand(SSL *s, const EVP_MD *md,
const unsigned char *secret,
const unsigned char *label, size_t labellen,
__owur int tls1_alert_code(int code);
__owur int tls13_alert_code(int code);
__owur int ssl3_alert_code(int code);
-__owur int ssl_ok(SSL *s);
# ifndef OPENSSL_NO_EC
__owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
# define TLS_CURVE_PRIME 0x0
# define TLS_CURVE_CHAR2 0x1
# define TLS_CURVE_CUSTOM 0x2
+
+#define bytestogroup(bytes) ((unsigned int)(bytes[0] << 8 | bytes[1]))
+
__owur int tls1_ec_curve_id2nid(int curve_id, unsigned int *pflags);
__owur int tls1_ec_nid2curve_id(int nid);
__owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len);
void ssl_set_default_md(SSL *s);
__owur int tls1_set_server_sigalgs(SSL *s);
-__owur int tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello,
- SSL_SESSION **ret);
-
-/* Return codes for tls_decrypt_ticket */
-#define TICKET_FATAL_ERR_MALLOC -2
-#define TICKET_FATAL_ERR_OTHER -1
-#define TICKET_NO_DECRYPT 2
-#define TICKET_SUCCESS 3
-#define TICKET_SUCCESS_RENEW 4
-__owur int tls_decrypt_ticket(SSL *s, const unsigned char *etick,
- size_t eticklen, const unsigned char *sess_id,
- size_t sesslen, SSL_SESSION **psess);
+
+/* Return codes for tls_get_ticket_from_client() and tls_decrypt_ticket() */
+typedef enum ticket_en {
+ /* fatal error, malloc failure */
+ TICKET_FATAL_ERR_MALLOC,
+ /* fatal error, either from parsing or decrypting the ticket */
+ TICKET_FATAL_ERR_OTHER,
+ /* No ticket present */
+ TICKET_NONE,
+ /* Empty ticket present */
+ TICKET_EMPTY,
+ /* the ticket couldn't be decrypted */
+ TICKET_NO_DECRYPT,
+ /* a ticket was successfully decrypted */
+ TICKET_SUCCESS,
+ /* same as above but the ticket needs to be reneewed */
+ TICKET_SUCCESS_RENEW
+} TICKET_RETURN;
+
+__owur TICKET_RETURN tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello,
+ SSL_SESSION **ret);
+__owur TICKET_RETURN tls_decrypt_ticket(SSL *s, const unsigned char *etick,
+ size_t eticklen,
+ const unsigned char *sess_id,
+ size_t sesslen, SSL_SESSION **psess);
__owur int tls_use_ticket(SSL *s);
-__owur int tls12_get_sigandhash(SSL *s, WPACKET *pkt, const EVP_PKEY *pk,
- const EVP_MD *md, int *ispss);
-__owur const EVP_MD *tls12_get_hash(int hash_nid);
void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op);
__owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client);
__owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex,
int vfy);
+int tls_choose_sigalg(SSL *s, int *al);
+
__owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md);
void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
__owur long ssl_get_algorithm2(SSL *s);
__owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt,
- const unsigned int *psig, size_t psiglen);
+ const uint16_t *psig, size_t psiglen);
__owur int tls1_save_sigalgs(SSL *s, PACKET *pkt);
__owur int tls1_process_sigalgs(SSL *s);
-__owur size_t tls12_get_psigalgs(SSL *s, int sent, const unsigned int **psigs);
-__owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, unsigned int sig,
- EVP_PKEY *pkey);
+__owur int tls1_set_peer_legacy_sigalg(SSL *s, const EVP_PKEY *pkey);
+__owur size_t tls12_get_psigalgs(SSL *s, int sent, const uint16_t **psigs);
+__owur int tls12_check_peer_sigalg(SSL *s, uint16_t, EVP_PKEY *pkey);
void ssl_set_client_disabled(SSL *s);
__owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op);
const uint8_t *premaster,
size_t premaster_len);
-/* ssl_log_master_secret logs |master| to the SSL_CTX associated with |ssl|, if
- * logging is enabled. It returns one on success and zero on failure. The entry
- * is identified by |client_random|.
+/*
+ * ssl_log_secret logs |secret| to the SSL_CTX associated with |ssl|, if
+ * logging is available. It returns one on success and zero on failure. It tags
+ * the entry with |label|.
*/
-__owur int ssl_log_master_secret(SSL *ssl, const uint8_t *client_random,
- size_t client_random_len,
- const uint8_t *master, size_t master_len);
+__owur int ssl_log_secret(SSL *ssl, const char *label,
+ const uint8_t *secret, size_t secret_len);
+
+#define MASTER_SECRET_LABEL "CLIENT_RANDOM"
+#define CLIENT_HANDSHAKE_LABEL "CLIENT_HANDSHAKE_TRAFFIC_SECRET"
+#define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET"
+#define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0"
+#define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0"
/* s3_cbc.c */
__owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx);
void ssl_comp_free_compression_methods_int(void);
-# else
+# else /* OPENSSL_UNIT_TEST */
# define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
# define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
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