# include "statem/statem.h"
# include "packet_locl.h"
# include "internal/dane.h"
+# include "internal/refcount.h"
# ifdef OPENSSL_BUILD_SHLIBSSL
# undef OPENSSL_EXTERN
/* Check if an SSL structure is using DTLS */
# define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
+
+/* Check if we are using TLSv1.3 */
+# define SSL_IS_TLS13(s) (!SSL_IS_DTLS(s) \
+ && (s)->method->version >= TLS1_3_VERSION \
+ && (s)->method->version != TLS_ANY_VERSION)
+
/* See if we need explicit IV */
# define SSL_USE_EXPLICIT_IV(s) \
(s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV)
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_read) (SSL *s, void *buf, size_t len, size_t *readbytes);
+ int (*ssl_peek) (SSL *s, void *buf, size_t len, size_t *readbytes);
+ int (*ssl_write) (SSL *s, const void *buf, size_t len, size_t *written);
int (*ssl_shutdown) (SSL *s);
int (*ssl_renegotiate) (SSL *s);
int (*ssl_renegotiate_check) (SSL *s);
int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type,
- unsigned char *buf, int len, int peek);
- int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, int len);
+ unsigned char *buf, size_t len, int peek,
+ size_t *readbytes);
+ int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, size_t len,
+ size_t *written);
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, WPACKET *pkt,
size_t *len);
- int (*ssl_pending) (const SSL *s);
+ size_t (*ssl_pending) (const SSL *s);
int (*num_ciphers) (void);
const SSL_CIPHER *(*get_cipher) (unsigned ncipher);
long (*get_timeout) (void);
struct ssl_session_st {
int ssl_version; /* what ssl version session info is being kept
* in here? */
- int master_key_length;
+ size_t master_key_length;
unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
/* session_id - valid? */
- unsigned int session_id_length;
+ size_t 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;
+ size_t sid_ctx_length;
unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
# ifndef OPENSSL_NO_PSK
char *psk_identity_hint;
* certificate is not ok, we must remember the error for session reuse:
*/
long verify_result; /* only for servers */
- int references;
+ CRYPTO_REF_COUNT references;
long timeout;
long time;
unsigned int compress_meth; /* Need to lookup the method */
* implement a maximum cache size.
*/
struct ssl_session_st *prev, *next;
- char *tlsext_hostname;
+
+ struct {
+ char *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 */
+ size_t ecpointformats_len;
+ unsigned char *ecpointformats; /* peer's list */
+ size_t supportedgroups_len;
+ unsigned char *supportedgroups; /* peer's list */
# endif /* OPENSSL_NO_EC */
/* RFC4507 info */
- unsigned char *tlsext_tick; /* Session ticket */
- size_t tlsext_ticklen; /* Session ticket length */
- unsigned long tlsext_tick_lifetime_hint; /* Session lifetime hint in
- * seconds */
+ unsigned char *tick; /* Session ticket */
+ size_t ticklen; /* Session ticket length */
+ /* Session lifetime hint in seconds */
+ unsigned long tick_lifetime_hint;
+ } ext;
# ifndef OPENSSL_NO_SRP
char *srp_username;
# endif
* Most session-ids that will be cached, default is
* SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited.
*/
- unsigned long session_cache_size;
+ size_t session_cache_size;
struct ssl_session_st *session_cache_head;
struct ssl_session_st *session_cache_tail;
/*
* :-) */
} stats;
- int references;
+ CRYPTO_REF_COUNT references;
/* if defined, these override the X509_verify_cert() calls */
int (*app_verify_callback) (X509_STORE_CTX *, void *);
uint32_t mode;
int min_proto_version;
int max_proto_version;
- long max_cert_list;
+ size_t max_cert_list;
struct cert_st /* CERT */ *cert;
int read_ahead;
void *msg_callback_arg;
uint32_t verify_mode;
- unsigned int sid_ctx_length;
+ size_t 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);
* If we're using more than one pipeline how should we divide the data
* up between the pipes?
*/
- unsigned int split_send_fragment;
+ size_t split_send_fragment;
/*
* 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;
+ size_t max_send_fragment;
/* Up to how many pipelines should we use? If 0 then 1 is assumed */
- unsigned int max_pipelines;
+ size_t max_pipelines;
/* The default read buffer length to use (0 means not set) */
size_t default_read_buf_len;
ENGINE *client_cert_engine;
# endif
- /* 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[TLSEXT_KEYNAME_LENGTH];
- unsigned char tlsext_tick_hmac_key[32];
- unsigned char tlsext_tick_aes_key[32];
- /* 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;
-
-# 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
+ /* TLS extensions. */
+ struct {
+ /* TLS extensions servername callback */
+ int (*servername_cb) (SSL *, int *, void *);
+ 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];
+ /* Callback to support customisation of ticket key setting */
+ int (*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 (*status_cb) (SSL *ssl, void *arg);
+ void *status_arg;
+ /* ext status type used for CSR extension (OCSP Stapling) */
+ int status_type;
-# ifndef OPENSSL_NO_SRP
- SRP_CTX srp_ctx; /* ctx for SRP authentication */
-# endif
+# ifndef OPENSSL_NO_EC
+ /* EC extension values inherited by SSL structure */
+ size_t ecpointformats_len;
+ unsigned char *ecpointformats;
+ size_t supportedgroups_len;
+ unsigned char *supportedgroups;
+# endif /* OPENSSL_NO_EC */
# ifndef OPENSSL_NO_NEXTPROTONEG
- /* Next protocol negotiation information */
-
- /*
- * 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.)
- */
+ /*
+ * ALPN information (we are in the process of transitioning from NPN to
+ * ALPN.)
+ */
/*-
* For a server, this contains a callback function that allows the
* 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;
+ 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;
+ /*
+ * For a client, this contains the list of supported protocols in wire
+ * format.
+ */
+ unsigned char *alpn;
+ size_t alpn_len;
+
+ /* Next protocol negotiation information */
+
+ /*
+ * For a server, this contains a callback function by which the set of
+ * advertised protocols can be provided.
+ */
+ int (*npn_advertised_cb) (SSL *s, const unsigned char **buf,
+ unsigned int *len, void *arg);
+ void *npn_advertised_cb_arg;
+ /*
+ * For a client, this contains a callback function that selects the next
+ * protocol from the list provided by the server.
+ */
+ int (*npn_select_cb) (SSL *s, unsigned char **out,
+ unsigned char *outlen,
+ const unsigned char *in,
+ unsigned int inlen, void *arg);
+ void *npn_select_cb_arg;
+# endif
+ } ext;
+
+# 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
+
+# ifndef OPENSSL_NO_SRP
+ SRP_CTX srp_ctx; /* ctx for SRP authentication */
+# endif
/* Shared DANE context */
struct dane_ctx_st dane;
* 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 */
-
- /* ext status type used for CSR extension (OCSP Stapling) */
- int tlsext_status_type;
CRYPTO_RWLOCK *lock;
};
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 */
+ size_t init_num; /* amount read/written */
+ size_t init_off; /* amount read/written */
struct ssl3_state_st *s3; /* SSLv3 variables */
struct dtls1_state_st *d1; /* DTLSv1 variables */
/* callback that allows applications to peek at protocol messages */
* be 'copied' into these ones
*/
uint32_t mac_flags;
+ /*
+ * The TLS1.3 early_secret and handshake_secret. The master_secret is stored
+ * in the session.
+ */
+ unsigned char early_secret[EVP_MAX_MD_SIZE];
+ unsigned char handshake_secret[EVP_MAX_MD_SIZE];
+ unsigned char client_finished_secret[EVP_MAX_MD_SIZE];
+ unsigned char server_finished_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 */
COMP_CTX *compress; /* compression */
COMP_CTX *expand; /* uncompress */
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 */
/* session info */
/* client cert? */
* the session_id_context is used to ensure sessions are only reused in
* the appropriate context
*/
- unsigned int sid_ctx_length;
+ size_t 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;
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;
+ CRYPTO_REF_COUNT references;
/* protocol behaviour */
uint32_t options;
/* API behaviour */
uint32_t mode;
int min_proto_version;
int max_proto_version;
- long max_cert_list;
+ size_t max_cert_list;
int first_packet;
- /* what was passed, used for SSLv3/TLS rollback check */
+ /*
+ * What was passed in ClientHello.legacy_version. Used for RSA pre-master
+ * secret and SSLv3/TLS (<=1.2) rollback check
+ */
int client_version;
/*
* If we're using more than one pipeline how should we divide the data
* up between the pipes?
*/
- unsigned int split_send_fragment;
+ size_t split_send_fragment;
/*
* 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;
+ size_t max_send_fragment;
/* Up to how many pipelines should we use? If 0 then 1 is assumed */
- unsigned int max_pipelines;
- /* TLS extension debug callback */
- void (*tlsext_debug_cb) (SSL *s, int client_server, int type,
- const unsigned char *data, int len, void *arg);
- void *tlsext_debug_arg;
- char *tlsext_hostname;
+ size_t max_pipelines;
+
+ struct {
+ /* TLS extension debug callback */
+ void (*debug_cb) (SSL *s, int client_server, int type,
+ const unsigned char *data, int len, void *arg);
+ void *debug_arg;
+ char *hostname;
+ /* certificate status request info */
+ /* Status type or -1 if no status type */
+ int status_type;
+ /* Raw extension data, if seen */
+ unsigned char *scts;
+ /* Length of raw extension data, if seen */
+ uint16_t scts_len;
+ /* Expect OCSP CertificateStatus message */
+ int status_expected;
+
+ struct {
+ /* OCSP status request only */
+ STACK_OF(OCSP_RESPID) *ids;
+ X509_EXTENSIONS *exts;
+ /* OCSP response received or to be sent */
+ unsigned char *resp;
+ size_t resp_len;
+ } ocsp;
+
+ /* RFC4507 session ticket expected to be received or sent */
+ int ticket_expected;
+# ifndef OPENSSL_NO_EC
+ size_t ecpointformats_len;
+ /* our list */
+ unsigned char *ecpointformats;
+ size_t supportedgroups_len;
+ /* our list */
+ unsigned char *supportedgroups;
+# endif /* OPENSSL_NO_EC */
+ /* TLS Session Ticket extension override */
+ TLS_SESSION_TICKET_EXT *session_ticket;
+ /* TLS Session Ticket extension callback */
+ tls_session_ticket_ext_cb_fn session_ticket_cb;
+ void *session_ticket_cb_arg;
+ /* TLS pre-shared secret session resumption */
+ tls_session_secret_cb_fn session_secret_cb;
+ void *session_secret_cb_arg;
+ /*
+ * For a client, this contains the list of supported protocols in wire
+ * format.
+ */
+ unsigned char *alpn;
+ size_t alpn_len;
+ /*
+ * 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 *npn;
+ size_t npn_len;
+ } ext;
+
/*-
* no further mod of servername
* 0 : call the servername extension 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;
# ifndef OPENSSL_NO_CT
/*
* Validates that the SCTs (Signed Certificate Timestamps) are sufficient.
* Lazily populated by CT_get_peer_scts(SSL*)
*/
STACK_OF(SCT) *scts;
- /* Raw extension data, if seen */
- unsigned char *tlsext_scts;
- /* Length of raw extension data, if seen */
- uint16_t tlsext_scts_len;
/* Have we attempted to find/parse SCTs yet? */
int scts_parsed;
# endif
- /* 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;
/*-
* 1 if we are renegotiating.
* 2 if we are a server and are inside a handshake
/* Async Job info */
ASYNC_JOB *job;
ASYNC_WAIT_CTX *waitctx;
+ size_t asyncrw;
+
CRYPTO_RWLOCK *lock;
};
typedef struct ssl3_state_st {
long flags;
- int read_mac_secret_size;
+ size_t read_mac_secret_size;
unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
- int write_mac_secret_size;
+ size_t write_mac_secret_size;
unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
unsigned char server_random[SSL3_RANDOM_SIZE];
unsigned char client_random[SSL3_RANDOM_SIZE];
struct {
/* actually only need to be 16+20 for SSLv3 and 12 for TLS */
unsigned char finish_md[EVP_MAX_MD_SIZE * 2];
- int finish_md_len;
+ size_t finish_md_len;
unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2];
- int peer_finish_md_len;
- unsigned long message_size;
+ size_t peer_finish_md_len;
+ size_t message_size;
int message_type;
/* used to hold the new cipher we are going to use */
const SSL_CIPHER *new_cipher;
int ctype_num;
char ctype[SSL3_CT_NUMBER];
STACK_OF(X509_NAME) *ca_names;
- int key_block_length;
+ size_t key_block_length;
unsigned char *key_block;
const EVP_CIPHER *new_sym_enc;
const EVP_MD *new_hash;
int new_mac_pkey_type;
- int new_mac_secret_size;
+ size_t new_mac_secret_size;
# ifndef OPENSSL_NO_COMP
const SSL_COMP *new_compression;
# else
/* Connection binding to prevent renegotiation attacks */
unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
- unsigned char previous_client_finished_len;
+ size_t previous_client_finished_len;
unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
- unsigned char previous_server_finished_len;
+ size_t previous_server_finished_len;
int send_connection_binding; /* TODOEKR */
# ifndef OPENSSL_NO_NEXTPROTONEG
/*
* Set if we saw the Next Protocol Negotiation extension from our peer.
*/
- int next_proto_neg_seen;
+ int npn_seen;
# endif
/*
/* For clients: peer temporary key */
# if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
+ /* The group_id for the DH/ECDH key */
+ unsigned int group_id;
EVP_PKEY *peer_tmp;
# endif
struct hm_header_st {
unsigned char type;
- unsigned long msg_len;
+ size_t msg_len;
unsigned short seq;
- unsigned long frag_off;
- unsigned long frag_len;
+ size_t frag_off;
+ size_t frag_len;
unsigned int is_ccs;
struct dtls1_retransmit_state saved_retransmit_state;
};
pitem *pqueue_find(pqueue *pq, unsigned char *prio64be);
pitem *pqueue_iterator(pqueue *pq);
pitem *pqueue_next(piterator *iter);
-int pqueue_size(pqueue *pq);
+size_t pqueue_size(pqueue *pq);
typedef struct dtls1_state_st {
unsigned char cookie[DTLS1_COOKIE_LENGTH];
- unsigned int cookie_len;
+ size_t cookie_len;
unsigned int cookie_verified;
/* handshake message numbers */
unsigned short handshake_write_seq;
pqueue *buffered_messages;
/* Buffered (sent) handshake records */
pqueue *sent_messages;
- unsigned int link_mtu; /* max on-the-wire DTLS packet size */
- unsigned int mtu; /* max DTLS packet size */
+ size_t link_mtu; /* max on-the-wire DTLS packet size */
+ size_t mtu; /* max DTLS packet size */
struct hm_header_st w_msg_hdr;
struct hm_header_st r_msg_hdr;
struct dtls1_timeout_st timeout;
/*
- * Indicates when the last handshake msg or heartbeat sent will timeout
+ * Indicates when the last handshake msg sent will timeout
*/
struct timeval next_timeout;
/* Timeout duration */
/* If not NULL psk identity hint to use for servers */
char *psk_identity_hint;
# endif
- int references; /* >1 only if SSL_copy_session_id is used */
+ CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */
CRYPTO_RWLOCK *lock;
} CERT;
* of a mess of functions, but hell, think of it as an opaque structure :-)
*/
typedef struct ssl3_enc_method {
- int (*enc) (SSL *, SSL3_RECORD *, unsigned int, int);
+ int (*enc) (SSL *, SSL3_RECORD *, size_t, int);
int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int);
int (*setup_key_block) (SSL *);
int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *,
- int);
+ size_t, size_t *);
int (*change_cipher_state) (SSL *, int);
- int (*final_finish_mac) (SSL *, const char *, int, unsigned char *);
- int finish_mac_length;
+ size_t (*final_finish_mac) (SSL *, const char *, size_t, unsigned char *);
const char *client_finished_label;
- int client_finished_label_len;
+ size_t client_finished_label_len;
const char *server_finished_label;
- int server_finished_label_len;
+ size_t server_finished_label_len;
int (*alert_value) (int);
int (*export_keying_material) (SSL *, unsigned char *, size_t,
const char *, size_t,
int use_context);
/* Various flags indicating protocol version requirements */
uint32_t enc_flags;
- /* Handshake header length */
- unsigned int hhlen;
- /* Set the handshake header */
- int (*set_handshake_header) (SSL *s, int type, unsigned long len);
/* Set the handshake header */
- int (*set_handshake_header2) (SSL *s, WPACKET *pkt, int type);
+ int (*set_handshake_header) (SSL *s, WPACKET *pkt, int type);
/* Close construction of the handshake message */
- int (*close_construct_packet) (SSL *s, WPACKET *pkt);
+ int (*close_construct_packet) (SSL *s, WPACKET *pkt, int htype);
/* Write out handshake message */
int (*do_write) (SSL *s);
} SSL3_ENC_METHOD;
-# define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen
-# define ssl_handshake_start(s) \
- (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen)
-# define ssl_set_handshake_header(s, htype, len) \
- s->method->ssl3_enc->set_handshake_header(s, htype, len)
-# define ssl_set_handshake_header2(s, pkt, htype) \
- s->method->ssl3_enc->set_handshake_header2((s), (pkt), (htype))
-# define ssl_close_construct_packet(s, pkt) \
- s->method->ssl3_enc->close_construct_packet((s), (pkt))
+# define ssl_set_handshake_header(s, pkt, htype) \
+ s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype))
+# define ssl_close_construct_packet(s, pkt, htype) \
+ s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype))
# define ssl_do_write(s) s->method->ssl3_enc->do_write(s)
/* Values for enc_flags */
} 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
+ */
+typedef enum tlsext_index_en {
+ TLSEXT_IDX_renegotiate,
+ TLSEXT_IDX_server_name,
+ TLSEXT_IDX_srp,
+ TLSEXT_IDX_ec_point_formats,
+ TLSEXT_IDX_supported_groups,
+ TLSEXT_IDX_session_ticket,
+ TLSEXT_IDX_signature_algorithms,
+ TLSEXT_IDX_status_request,
+ TLSEXT_IDX_next_proto_neg,
+ TLSEXT_IDX_application_layer_protocol_negotiation,
+ TLSEXT_IDX_use_srtp,
+ TLSEXT_IDX_encrypt_then_mac,
+ TLSEXT_IDX_signed_certificate_timestamp,
+ TLSEXT_IDX_extended_master_secret,
+ TLSEXT_IDX_supported_versions,
+ TLSEXT_IDX_key_share,
+ TLSEXT_IDX_cryptopro_bug,
+ TLSEXT_IDX_padding
+} TLSEXT_INDEX;
+
+/*
+ * Dummy status type for the status_type extension. Indicates no status type
+ * set
+ */
+#define TLSEXT_STATUSTYPE_nothing -1
+
+#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);
__owur const SSL_METHOD *tlsv1_2_method(void);
__owur const SSL_METHOD *tlsv1_2_server_method(void);
__owur const SSL_METHOD *tlsv1_2_client_method(void);
+__owur const SSL_METHOD *tlsv1_3_method(void);
+__owur const SSL_METHOD *tlsv1_3_server_method(void);
+__owur const SSL_METHOD *tlsv1_3_client_method(void);
__owur const SSL_METHOD *dtlsv1_method(void);
__owur const SSL_METHOD *dtlsv1_server_method(void);
__owur const SSL_METHOD *dtlsv1_client_method(void);
extern const SSL3_ENC_METHOD TLSv1_enc_data;
extern const SSL3_ENC_METHOD TLSv1_1_enc_data;
extern const SSL3_ENC_METHOD TLSv1_2_enc_data;
+extern const SSL3_ENC_METHOD TLSv1_3_enc_data;
extern const SSL3_ENC_METHOD SSLv3_enc_data;
extern const SSL3_ENC_METHOD DTLSv1_enc_data;
extern const SSL3_ENC_METHOD DTLSv1_2_enc_data;
struct openssl_ssl_test_functions {
int (*p_ssl_init_wbio_buffer) (SSL *s);
int (*p_ssl3_setup_buffers) (SSL *s);
-# ifndef OPENSSL_NO_HEARTBEATS
- int (*p_dtls1_process_heartbeat) (SSL *s,
- unsigned char *p, unsigned int length);
-# endif
};
const char *ssl_protocol_to_string(int version);
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, const PACKET *ext,
- const PACKET *session_id);
+__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);
DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id);
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,
- int *mac_secret_size, SSL_COMP **comp,
+ size_t *mac_secret_size, SSL_COMP **comp,
int use_etm);
+__owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead,
+ size_t *int_overhead, size_t *blocksize,
+ 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);
void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg);
__owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk);
-__owur int ssl_add_cert_chain(SSL *s, WPACKET *pkt, CERT_PKEY *cpk);
__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);
void ssl_sort_cipher_list(void);
void ssl_load_ciphers(void);
__owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field,
- int len);
+ size_t len);
__owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen,
int free_pms);
__owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm);
-__owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey);
+__owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey,
+ int genmaster);
__owur EVP_PKEY *ssl_dh_to_pkey(DH *dh);
__owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
__owur int ssl3_do_write(SSL *s, int type);
int ssl3_send_alert(SSL *s, int level, int desc);
__owur int ssl3_generate_master_secret(SSL *s, unsigned char *out,
- unsigned char *p, int len);
+ unsigned char *p, size_t len,
+ size_t *secret_size);
__owur int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt);
__owur int ssl3_num_ciphers(void);
__owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
int ssl3_renegotiate(SSL *ssl);
int ssl3_renegotiate_check(SSL *ssl);
__owur int ssl3_dispatch_alert(SSL *s);
-__owur int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,
- unsigned char *p);
-__owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
+__owur size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t slen,
+ unsigned char *p);
+__owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len);
void ssl3_free_digest_list(SSL *s);
-__owur unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk);
+__owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt,
+ CERT_PKEY *cpk, int *al);
__owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,
STACK_OF(SSL_CIPHER) *clnt,
STACK_OF(SSL_CIPHER) *srvr);
__owur int ssl3_digest_cached_records(SSL *s, int keep);
__owur int ssl3_new(SSL *s);
void ssl3_free(SSL *s);
-__owur int ssl3_read(SSL *s, void *buf, int len);
-__owur int ssl3_peek(SSL *s, void *buf, int len);
-__owur int ssl3_write(SSL *s, const void *buf, int len);
+__owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes);
+__owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes);
+__owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written);
__owur int ssl3_shutdown(SSL *s);
void ssl3_clear(SSL *s);
__owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg);
__owur int ssl3_do_change_cipher_spec(SSL *ssl);
__owur long ssl3_default_timeout(void);
-__owur int ssl3_set_handshake_header(SSL *s, int htype, unsigned long len);
-__owur int ssl3_set_handshake_header2(SSL *s, WPACKET *pkt, int htype);
-__owur int tls_close_construct_packet(SSL *s, WPACKET *pkt);
-__owur int dtls1_set_handshake_header2(SSL *s, WPACKET *pkt, int htype);
-__owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt);
+__owur int ssl3_set_handshake_header(SSL *s, WPACKET *pkt, int htype);
+__owur int tls_close_construct_packet(SSL *s, WPACKET *pkt, int htype);
+__owur int dtls1_set_handshake_header(SSL *s, WPACKET *pkt, int htype);
+__owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt, int htype);
__owur int ssl3_handshake_write(SSL *s);
__owur int ssl_allow_compression(SSL *s);
__owur int ssl_set_client_hello_version(SSL *s);
__owur int ssl_check_version_downgrade(SSL *s);
__owur int ssl_set_version_bound(int method_version, int version, int *bound);
-__owur int ssl_choose_server_version(SSL *s);
+__owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello);
__owur int ssl_choose_client_version(SSL *s, int version);
int ssl_get_client_min_max_version(const SSL *s, int *min_version,
int *max_version);
__owur int dtls1_do_write(SSL *s, int type);
void dtls1_set_message_header(SSL *s,
unsigned char mt,
- unsigned long len,
- unsigned long frag_off, unsigned long frag_len);
+ size_t len,
+ size_t frag_off, size_t frag_len);
-__owur int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf,
- int len);
+int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len,
+ size_t *written);
__owur int dtls1_read_failed(SSL *s, int code);
__owur int dtls1_buffer_message(SSL *s, int ccs);
__owur int dtls1_is_timer_expired(SSL *s);
void dtls1_double_timeout(SSL *s);
__owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie,
- unsigned char cookie_len);
+ size_t cookie_len);
__owur int dtls1_send_newsession_ticket(SSL *s);
-__owur unsigned int dtls1_min_mtu(SSL *s);
+__owur size_t dtls1_min_mtu(SSL *s);
void dtls1_hm_fragment_free(hm_fragment *frag);
__owur int dtls1_query_mtu(SSL *s);
__owur int tls1_change_cipher_state(SSL *s, int which);
__owur int tls1_setup_key_block(SSL *s);
-__owur int tls1_final_finish_mac(SSL *s,
- const char *str, int slen, unsigned char *p);
+__owur size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen,
+ unsigned char *p);
__owur int tls1_generate_master_secret(SSL *s, unsigned char *out,
- unsigned char *p, int len);
+ unsigned char *p, size_t len,
+ size_t *secret_size);
+__owur int tls13_setup_key_block(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_derive_secret(SSL *s, const unsigned char *insecret,
+ const unsigned char *label, size_t labellen,
+ unsigned char *secret);
+__owur int tls13_derive_key(SSL *s, const unsigned char *secret,
+ unsigned char *key, size_t keylen);
+__owur int tls13_derive_iv(SSL *s, const unsigned char *secret,
+ unsigned char *iv, size_t ivlen);
+__owur int tls13_generate_early_secret(SSL *s, const unsigned char *insecret,
+ size_t insecretlen);
+__owur int tls13_generate_handshake_secret(SSL *s,
+ const unsigned char *insecret,
+ size_t insecretlen);
+__owur int tls13_generate_master_secret(SSL *s, unsigned char *out,
+ unsigned char *prev, size_t prevlen,
+ size_t *secret_size);
__owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
const char *label, size_t llen,
const unsigned char *p, size_t plen,
__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);
-__owur int tls1_shared_curve(SSL *s, int nmatch);
-__owur int tls1_set_curves(unsigned char **pext, size_t *pextlen,
+__owur int tls1_shared_group(SSL *s, int nmatch);
+__owur int tls1_set_groups(unsigned char **pext, size_t *pextlen,
int *curves, size_t ncurves);
-__owur int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
+__owur int tls1_set_groups_list(unsigned char **pext, size_t *pextlen,
const char *str);
+void tls1_get_formatlist(SSL *s, const unsigned char **pformats,
+ size_t *num_formats);
__owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id);
__owur EVP_PKEY *ssl_generate_pkey_curve(int id);
# endif /* OPENSSL_NO_EC */
__owur int tls1_shared_list(SSL *s,
const unsigned char *l1, size_t l1len,
const unsigned char *l2, size_t l2len, int nmatch);
-__owur int ssl_add_clienthello_tlsext(SSL *s, WPACKET *pkt, int *al);
-__owur int ssl_add_serverhello_tlsext(SSL *s, WPACKET *pkt, int *al);
-__owur int ssl_parse_clienthello_tlsext(SSL *s, PACKET *pkt);
+__owur int tls_curve_allowed(SSL *s, const unsigned char *curve, int op);
+__owur int tls1_get_curvelist(SSL *s, int sess, const unsigned char **pcurves,
+ size_t *num_curves);
+
void ssl_set_default_md(SSL *s);
__owur int tls1_set_server_sigalgs(SSL *s);
-__owur int ssl_check_clienthello_tlsext_late(SSL *s, int *al);
-__owur int ssl_parse_serverhello_tlsext(SSL *s, PACKET *pkt);
-__owur int ssl_prepare_clienthello_tlsext(SSL *s);
-__owur int ssl_prepare_serverhello_tlsext(SSL *s);
-
-# ifndef OPENSSL_NO_HEARTBEATS
-__owur int dtls1_heartbeat(SSL *s);
-__owur int dtls1_process_heartbeat(SSL *s, unsigned char *p,
- unsigned int length);
-# endif
-
-__owur int tls_check_serverhello_tlsext_early(SSL *s, const PACKET *ext,
- const PACKET *session_id,
- SSL_SESSION **ret);
+__owur RAW_EXTENSION *tls_get_extension_by_type(RAW_EXTENSION *exts,
+ size_t numexts,
+ unsigned int type);
+__owur int tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello,
+ SSL_SESSION **ret);
+__owur int tls_use_ticket(SSL *s);
__owur int tls12_get_sigandhash(WPACKET *pkt, const EVP_PKEY *pk,
const EVP_MD *md);
__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 int ssl_add_serverhello_renegotiate_ext(SSL *s, WPACKET *pkt);
-__owur int ssl_parse_serverhello_renegotiate_ext(SSL *s, PACKET *pkt, int *al);
-__owur int ssl_parse_clienthello_renegotiate_ext(SSL *s, PACKET *pkt, int *al);
__owur long ssl_get_algorithm2(SSL *s);
__owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt,
const unsigned char *psig, size_t psiglen);
-__owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize);
+__owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, size_t dsize);
__owur int tls1_process_sigalgs(SSL *s);
__owur size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs);
__owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s,
void ssl_set_client_disabled(SSL *s);
__owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op);
-__owur int ssl_parse_clienthello_use_srtp_ext(SSL *s, PACKET *pkt, int *al);
-__owur int ssl_parse_serverhello_use_srtp_ext(SSL *s, PACKET *pkt, int *al);
-
-__owur int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen);
+__owur int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen,
+ size_t *hashlen);
__owur const EVP_MD *ssl_md(int idx);
__owur const EVP_MD *ssl_handshake_md(SSL *s);
__owur const EVP_MD *ssl_prf_md(SSL *s);
size_t data_plus_mac_size,
size_t data_plus_mac_plus_padding_size,
const unsigned char *mac_secret,
- unsigned mac_secret_length, char is_sslv3);
+ size_t mac_secret_length, char is_sslv3);
__owur int tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx,
EVP_MD_CTX *mac_ctx, const unsigned char *data,
# define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
# define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
-# define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat
# endif
#endif