* 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_supportedgroupslist_length;
- unsigned char *tlsext_supportedgroupslist; /* 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
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;
- size_t 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.
+ */
+ SSL_CTX_npn_advertised_cb_func npn_advertised_cb;
+ 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.
+ */
+ SSL_CTX_npn_select_cb_func npn_select_cb;
+ void *npn_select_cb_arg;
+# endif
+ } ext;
+
+# ifndef OPENSSL_NO_PSK
+ SSL_psk_client_cb_func psk_client_callback;
+ SSL_psk_server_cb_func psk_server_callback;
+# 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_supportedgroupslist_length;
- unsigned char *tlsext_supportedgroupslist;
-# endif /* OPENSSL_NO_EC */
-
- /* ext status type used for CSR extension (OCSP Stapling) */
- int tlsext_status_type;
CRYPTO_RWLOCK *lock;
};
/* client cert? */
/* This is used to hold the server certificate used */
struct cert_st /* CERT */ *cert;
+
+ /*
+ * The hash of all messages prior to the CertificateVerify, and the length
+ * of that hash.
+ */
+ unsigned char cert_verify_hash[EVP_MAX_MD_SIZE];
+ size_t cert_verify_hash_len;
+
/*
* the session_id_context is used to ensure sessions are only reused in
* the appropriate context
/* actual code */
int error_code;
# 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);
+ SSL_psk_client_cb_func psk_client_callback;
+ SSL_psk_server_cb_func psk_server_callback;
# endif
SSL_CTX *ctx;
/* Verified chain of peer */
size_t max_send_fragment;
/* Up to how many pipelines should we use? If 0 then 1 is assumed */
size_t 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;
+
+ 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;
- size_t 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_supportedgroupslist_length;
- /* our list */
- unsigned char *tlsext_supportedgroupslist;
-# 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;
- size_t 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;
- /*
- * For a client, this contains the list of supported protocols in wire
- * format.
- */
- unsigned char *alpn_client_proto_list;
- size_t alpn_client_proto_list_len;
/*-
* 1 if we are renegotiating.
* 2 if we are a server and are inside a handshake
* algorithms extension for server or as part of a certificate
* request for client.
*/
- unsigned char *peer_sigalgs;
+ unsigned int *peer_sigalgs;
/* Size of above array */
size_t peer_sigalgslen;
/* Digest peer uses for signing */
/*
* Set if we saw the Next Protocol Negotiation extension from our peer.
*/
- int next_proto_neg_seen;
+ int npn_seen;
# endif
/*
* the client hello as the supported signature algorithms extension. For
* servers it represents the signature algorithms we are willing to use.
*/
- unsigned char *conf_sigalgs;
+ unsigned int *conf_sigalgs;
/* Size of above array */
size_t conf_sigalgslen;
/*
* represents the signature algortithms we are willing to use for client
* authentication.
*/
- unsigned char *client_sigalgs;
+ unsigned int *client_sigalgs;
/* Size of above array */
size_t client_sigalgslen;
/*
int sign_nid;
/* Combined hash and signature NID */
int signandhash_nid;
- /* Raw values used in extension */
- unsigned char rsign;
- unsigned char rhash;
+ /* Raw value used in extension */
+ unsigned int rsigalg;
};
# define FP_ICC (int (*)(const void *,const void *))
# endif
typedef struct raw_extension_st {
- /* The type of the extension */
- unsigned int type;
/* 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
+
+/* Sigalgs values */
+#define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403
+#define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503
+#define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603
+#define TLSEXT_SIGALG_ecdsa_sha1 0x0203
+#define TLSEXT_SIGALG_rsa_pss_sha256 0x0804
+#define TLSEXT_SIGALG_rsa_pss_sha384 0x0805
+#define TLSEXT_SIGALG_rsa_pss_sha512 0x0806
+#define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401
+#define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501
+#define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601
+#define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201
+#define TLSEXT_SIGALG_dsa_sha256 0x0402
+#define TLSEXT_SIGALG_dsa_sha384 0x0502
+#define TLSEXT_SIGALG_dsa_sha512 0x0602
+#define TLSEXT_SIGALG_dsa_sha1 0x0202
+#define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee
+#define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef
+#define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded
+
+/* A dummy signature value not valid for TLSv1.2 signature algs */
+#define TLSEXT_signature_rsa_pss 0x0101
+
+
#define MAX_COMPRESSIONS_SIZE 255
typedef struct {
size_t compressions_len;
unsigned char compressions[MAX_COMPRESSIONS_SIZE];
PACKET extensions;
- size_t num_extensions;
RAW_EXTENSION *pre_proc_exts;
} CLIENTHELLO_MSG;
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);
__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, WPACKET *pkt,
- CERT_PKEY *cpk);
+ CERT_PKEY *cpk, int *al);
__owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,
STACK_OF(SSL_CIPHER) *clnt,
STACK_OF(SSL_CIPHER) *srvr);
void ssl_set_default_md(SSL *s);
__owur int tls1_set_server_sigalgs(SSL *s);
-__owur int ssl_parse_serverhello_tlsext(SSL *s, PACKET *pkt);
-__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,
+__owur int tls12_get_sigandhash(SSL *s, WPACKET *pkt, const EVP_PKEY *pk,
const EVP_MD *md);
-__owur int tls12_get_sigid(const EVP_PKEY *pk);
-__owur const EVP_MD *tls12_get_hash(unsigned char hash_alg);
+__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);
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 char *psig, size_t psiglen);
-__owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, size_t dsize);
+ const unsigned int *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, const unsigned char **psigs);
-__owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s,
- const unsigned char *sig, EVP_PKEY *pkey);
+__owur size_t tls12_get_psigalgs(SSL *s, const unsigned int **psigs);
+__owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, unsigned int sig,
+ EVP_PKEY *pkey);
void ssl_set_client_disabled(SSL *s);
__owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op);