- /* used when SSL_ST_FLUSH_DATA is entered */
- int next_state;
-
- int reuse_message;
-
- /* used for certificate requests */
- int cert_req;
- int ctype_num;
- char ctype[SSL3_CT_NUMBER];
- STACK_OF(X509_NAME) *ca_names;
-
- int use_rsa_tmp;
-
- int 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;
-#ifndef OPENSSL_NO_COMP
- const SSL_COMP *new_compression;
-#else
- char *new_compression;
-#endif
- int cert_request;
- } tmp;
-
- /* Connection binding to prevent renegotiation attacks */
- unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
- unsigned char previous_client_finished_len;
- unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
- unsigned char 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;
-#endif
-
-#ifndef OPENSSL_NO_TLSEXT
- /* serverinfo_client_tlsext_custom_types contains an array of TLS Extension types which
- * were advertised by the client in its ClientHello and leveraged by ServerInfo TLS extension callbacks.
- * The array does not contain any duplicates, and is in the same order
- * as the types were received in the client hello. */
- unsigned short *serverinfo_client_tlsext_custom_types;
- size_t serverinfo_client_tlsext_custom_types_count; /* how many serverinfo_client_tlsext_custom_types */
-
- /* ALPN information
- * (we are in the process of transitioning from NPN to ALPN.) */
-
- /* In a server these point to the selected ALPN protocol after the
- * ClientHello has been processed. In a client these contain the
- * protocol that the server selected once the ServerHello has been
- * processed. */
- unsigned char *alpn_selected;
- unsigned alpn_selected_len;
-
-#ifndef OPENSSL_NO_EC
- /* This is set to true if we believe that this is a version of Safari
- * running on OS X 10.6 or newer. We wish to know this because Safari
- * on 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. */
- char is_probably_safari;
-#endif /* !OPENSSL_NO_EC */
-
-#endif /* !OPENSSL_NO_TLSEXT */
- } SSL3_STATE;
+/* Set if we encrypt then mac instead of usual mac then encrypt */
+# define TLS1_FLAGS_ENCRYPT_THEN_MAC 0x0100
+
+# ifndef OPENSSL_NO_SSL_INTERN
+
+typedef struct ssl3_state_st {
+ long flags;
+ int delay_buf_pop_ret;
+ unsigned char read_sequence[8];
+ int read_mac_secret_size;
+ unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
+ unsigned char write_sequence[8];
+ int 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];
+ /* flags for countermeasure against known-IV weakness */
+ int need_empty_fragments;
+ int empty_fragment_done;
+ /* The value of 'extra' when the buffers were initialized */
+ int init_extra;
+ SSL3_BUFFER rbuf; /* read IO goes into here */
+ SSL3_BUFFER wbuf; /* write IO goes into here */
+ SSL3_RECORD rrec; /* each decoded record goes in here */
+ SSL3_RECORD wrec; /* goes out from here */
+ /*
+ * storage for Alert/Handshake protocol data received but not yet
+ * processed by ssl3_read_bytes:
+ */
+ unsigned char alert_fragment[2];
+ unsigned int alert_fragment_len;
+ unsigned char handshake_fragment[4];
+ unsigned int handshake_fragment_len;
+ /* partial write - check the numbers match */
+ unsigned int wnum; /* number of bytes sent so far */
+ int wpend_tot; /* number bytes written */
+ int wpend_type;
+ int wpend_ret; /* number of bytes submitted */
+ const unsigned char *wpend_buf;
+ /* used during startup, digest all incoming/outgoing packets */
+ BIO *handshake_buffer;
+ /*
+ * When set of handshake digests is determined, buffer is hashed and
+ * freed and MD_CTX-es for all required digests are stored in this array
+ */
+ EVP_MD_CTX **handshake_dgst;
+ /*
+ * Set whenever an expected ChangeCipherSpec message is processed.
+ * Unset when the peer's Finished message is received.
+ * Unexpected ChangeCipherSpec messages trigger a fatal alert.
+ */
+ int change_cipher_spec;
+ int warn_alert;
+ int fatal_alert;
+ /*
+ * we allow one fatal and one warning alert to be outstanding, send close
+ * alert via the warning alert
+ */
+ int alert_dispatch;
+ unsigned char send_alert[2];
+ /*
+ * This flag is set when we should renegotiate ASAP, basically when there
+ * is no more data in the read or write buffers
+ */
+ int renegotiate;
+ int total_renegotiations;
+ int num_renegotiations;
+ int in_read_app_data;
+ struct {
+ /* actually only needs to be 16+20 */
+ unsigned char cert_verify_md[EVP_MAX_MD_SIZE * 2];
+ /* 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;
+ unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2];
+ int peer_finish_md_len;
+ unsigned long message_size;
+ int message_type;
+ /* used to hold the new cipher we are going to use */
+ const SSL_CIPHER *new_cipher;
+# ifndef OPENSSL_NO_DH
+ DH *dh;
+# endif
+# ifndef OPENSSL_NO_ECDH
+ EC_KEY *ecdh; /* holds short lived ECDH key */
+# endif
+ /* used when SSL_ST_FLUSH_DATA is entered */
+ int next_state;
+ int reuse_message;
+ /* used for certificate requests */
+ int cert_req;
+ int ctype_num;
+ char ctype[SSL3_CT_NUMBER];
+ STACK_OF(X509_NAME) *ca_names;
+ int use_rsa_tmp;
+ int 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;
+# ifndef OPENSSL_NO_COMP
+ const SSL_COMP *new_compression;
+# else
+ char *new_compression;
+# endif
+ int cert_request;
+ } tmp;
+
+ /* Connection binding to prevent renegotiation attacks */
+ unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
+ unsigned char previous_client_finished_len;
+ unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
+ unsigned char 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;
+# endif
+
+# ifndef OPENSSL_NO_TLSEXT
+
+ /*
+ * ALPN information (we are in the process of transitioning from NPN to
+ * ALPN.)
+ */
+
+ /*
+ * In a server these point to the selected ALPN protocol after the
+ * ClientHello has been processed. In a client these contain the protocol
+ * that the server selected once the ServerHello has been processed.
+ */
+ unsigned char *alpn_selected;
+ unsigned alpn_selected_len;
+
+# ifndef OPENSSL_NO_EC
+ /*
+ * This is set to true if we believe that this is a version of Safari
+ * running on OS X 10.6 or newer. We wish to know this because Safari on
+ * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support.
+ */
+ char is_probably_safari;
+# endif /* !OPENSSL_NO_EC */
+
+# endif /* !OPENSSL_NO_TLSEXT */
+} SSL3_STATE;