extern "C" {
#endif
+/* Signalling cipher suite value: from draft-ietf-tls-renegotiation-03.txt */
+#define SSL3_CK_SCSV 0x030000FF
+
#define SSL3_CK_RSA_NULL_MD5 0x03000001
#define SSL3_CK_RSA_NULL_SHA 0x03000002
#define SSL3_CK_RSA_RC4_40_MD5 0x03000003
#define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F
#define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010
-#define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011
-#define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012
-#define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013
-#define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014
-#define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015
-#define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016
+#define SSL3_CK_DHE_DSS_DES_40_CBC_SHA 0x03000011
+#define SSL3_CK_EDH_DSS_DES_40_CBC_SHA SSL3_CK_DHE_DSS_DES_40_CBC_SHA
+#define SSL3_CK_DHE_DSS_DES_64_CBC_SHA 0x03000012
+#define SSL3_CK_EDH_DSS_DES_64_CBC_SHA SSL3_CK_DHE_DSS_DES_64_CBC_SHA
+#define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA 0x03000013
+#define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA SSL3_CK_DHE_DSS_DES_192_CBC3_SHA
+#define SSL3_CK_DHE_RSA_DES_40_CBC_SHA 0x03000014
+#define SSL3_CK_EDH_RSA_DES_40_CBC_SHA SSL3_CK_DHE_RSA_DES_40_CBC_SHA
+#define SSL3_CK_DHE_RSA_DES_64_CBC_SHA 0x03000015
+#define SSL3_CK_EDH_RSA_DES_64_CBC_SHA SSL3_CK_DHE_RSA_DES_64_CBC_SHA
+#define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA 0x03000016
+#define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA SSL3_CK_DHE_RSA_DES_192_CBC3_SHA
#define SSL3_CK_ADH_RC4_40_MD5 0x03000017
#define SSL3_CK_ADH_RC4_128_MD5 0x03000018
#define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA"
#define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA"
+#define SSL3_TXT_DHE_DSS_DES_40_CBC_SHA "EXP-DHE-DSS-DES-CBC-SHA"
+#define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA "DHE-DSS-DES-CBC-SHA"
+#define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA "DHE-DSS-DES-CBC3-SHA"
+#define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA "EXP-DHE-RSA-DES-CBC-SHA"
+#define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA "DHE-RSA-DES-CBC-SHA"
+#define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA "DHE-RSA-DES-CBC3-SHA"
+
+/* This next block of six "EDH" labels is for backward compatibility
+ with older versions of OpenSSL. New code should use the six "DHE"
+ labels above instead:
+ */
#define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA"
#define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA"
#define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA"
#define SSL3_SESSION_ID_SIZE 32
#define SSL3_RT_HEADER_LENGTH 5
+#define SSL3_HM_HEADER_LENGTH 4
+
#ifndef SSL3_ALIGN_PAYLOAD
/* Some will argue that this increases memory footprint, but it's
* not actually true. Point is that malloc has to return at least
#define SSL3_RT_ALERT 21
#define SSL3_RT_HANDSHAKE 22
#define SSL3_RT_APPLICATION_DATA 23
+#define TLS1_RT_HEARTBEAT 24
+
+/* Pseudo content types to indicate additional parameters */
+#define TLS1_RT_CRYPTO 0x1000
+#define TLS1_RT_CRYPTO_PREMASTER (TLS1_RT_CRYPTO | 0x1)
+#define TLS1_RT_CRYPTO_CLIENT_RANDOM (TLS1_RT_CRYPTO | 0x2)
+#define TLS1_RT_CRYPTO_SERVER_RANDOM (TLS1_RT_CRYPTO | 0x3)
+#define TLS1_RT_CRYPTO_MASTER (TLS1_RT_CRYPTO | 0x4)
+
+#define TLS1_RT_CRYPTO_READ 0x0000
+#define TLS1_RT_CRYPTO_WRITE 0x0100
+#define TLS1_RT_CRYPTO_MAC (TLS1_RT_CRYPTO | 0x5)
+#define TLS1_RT_CRYPTO_KEY (TLS1_RT_CRYPTO | 0x6)
+#define TLS1_RT_CRYPTO_IV (TLS1_RT_CRYPTO | 0x7)
+#define TLS1_RT_CRYPTO_FIXED_IV (TLS1_RT_CRYPTO | 0x8)
+
+/* Pseudo content type for SSL/TLS header info */
+#define SSL3_RT_HEADER 0x100
#define SSL3_AL_WARNING 1
#define SSL3_AL_FATAL 2
#define SSL3_AD_CERTIFICATE_UNKNOWN 46
#define SSL3_AD_ILLEGAL_PARAMETER 47 /* fatal */
+#define TLS1_HB_REQUEST 1
+#define TLS1_HB_RESPONSE 2
+
+#ifndef OPENSSL_NO_SSL_INTERN
+
typedef struct ssl3_record_st
{
/*r */ int type; /* type of record */
/*rw*/ unsigned int length; /* How many bytes available */
+/*rw*/ unsigned int orig_len; /* How many bytes were available before padding
+ was removed? This is used to implement the
+ MAC check in constant time for CBC records.
+ */
/*r */ unsigned int off; /* read/write offset into 'buf' */
/*rw*/ unsigned char *data; /* pointer to the record data */
/*rw*/ unsigned char *input; /* where the decode bytes are */
int left; /* how many bytes left */
} SSL3_BUFFER;
+#endif
+
#define SSL3_CT_RSA_SIGN 1
#define SSL3_CT_DSS_SIGN 2
#define SSL3_CT_RSA_FIXED_DH 3
* enough to contain all of the cert types defined either for
* SSLv3 and TLSv1.
*/
-#define SSL3_CT_NUMBER 7
+#define SSL3_CT_NUMBER 9
#define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001
#define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002
#define SSL3_FLAGS_POP_BUFFER 0x0004
#define TLS1_FLAGS_TLS_PADDING_BUG 0x0008
+#define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010
+#define TLS1_FLAGS_KEEP_HANDSHAKE 0x0020
+
+/* SSL3_FLAGS_SGC_RESTART_DONE is set when we
+ * restart a handshake because of MS SGC and so prevents us
+ * from restarting the handshake in a loop. It's reset on a
+ * renegotiation, so effectively limits the client to one restart
+ * per negotiation. This limits the possibility of a DDoS
+ * attack where the client handshakes in a loop using SGC to
+ * restart. Servers which permit renegotiation can still be
+ * effected, but we can't prevent that.
+ */
+#define SSL3_FLAGS_SGC_RESTART_DONE 0x0040
+/* Set if we encrypt then mac instead of usual mac then encrypt */
+#define TLS1_FLAGS_ENCRYPT_THEN_MAC 0x0080
+
+#ifndef OPENSSL_NO_SSL_INTERN
typedef struct ssl3_state_st
{
const unsigned char *wpend_buf;
/* used during startup, digest all incoming/outgoing packets */
- EVP_MD_CTX finish_dgst1;
- EVP_MD_CTX finish_dgst2;
-
+ 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;
/* this is set whenerver we see a change_cipher_spec message
* come in when we are not looking for one */
int change_cipher_spec;
int in_read_app_data;
+ /* Opaque PRF input as used for the current handshake.
+ * These fields are used only if TLSEXT_TYPE_opaque_prf_input is defined
+ * (otherwise, they are merely present to improve binary compatibility) */
+ void *client_opaque_prf_input;
+ size_t client_opaque_prf_input_len;
+ void *server_opaque_prf_input;
+ size_t server_opaque_prf_input_len;
+
struct {
/* actually only needs to be 16+20 */
unsigned char cert_verify_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 */
- SSL_CIPHER *new_cipher;
+ const SSL_CIPHER *new_cipher;
#ifndef OPENSSL_NO_DH
DH *dh;
#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
+ /* tlsext_custom_types contains an array of TLS Extension types which
+ * were advertised by the client in its ClientHello, which were not
+ * otherwise handled by OpenSSL, and which the server has registered
+ * a custom_srv_ext_record to handle.
+ * The array does not contain any duplicates, and is in the same order
+ * as the types were received in the client hello. */
+ unsigned short *tlsext_custom_types;
+ size_t tlsext_custom_types_count; /* how many 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;
+#endif
/* SSLv3 */
/*client */
/* extra state */
#define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT)
+#ifndef OPENSSL_NO_SCTP
+#define DTLS1_SCTP_ST_CW_WRITE_SOCK (0x310|SSL_ST_CONNECT)
+#define DTLS1_SCTP_ST_CR_READ_SOCK (0x320|SSL_ST_CONNECT)
+#endif
/* write to server */
#define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT)
#define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT)
#define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT)
#define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT)
#define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT)
+#ifndef OPENSSL_NO_TLSEXT
+#define SSL3_ST_CR_SUPPLEMENTAL_DATA_A (0x212|SSL_ST_CONNECT)
+#define SSL3_ST_CR_SUPPLEMENTAL_DATA_B (0x213|SSL_ST_CONNECT)
+#endif
/* write to server */
#define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT)
#define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT)
#define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT)
#define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT)
#define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT)
+#ifndef OPENSSL_NO_NEXTPROTONEG
+#define SSL3_ST_CW_NEXT_PROTO_A (0x200|SSL_ST_CONNECT)
+#define SSL3_ST_CW_NEXT_PROTO_B (0x201|SSL_ST_CONNECT)
+#endif
+#ifndef OPENSSL_NO_TLSEXT
+#define SSL3_ST_CW_SUPPLEMENTAL_DATA_A (0x222|SSL_ST_CONNECT)
+#define SSL3_ST_CW_SUPPLEMENTAL_DATA_B (0x223|SSL_ST_CONNECT)
+#endif
#define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT)
#define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT)
/* read from server */
#define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT)
#define SSL3_ST_CR_SESSION_TICKET_A (0x1E0|SSL_ST_CONNECT)
#define SSL3_ST_CR_SESSION_TICKET_B (0x1E1|SSL_ST_CONNECT)
+#define SSL3_ST_CR_CERT_STATUS_A (0x1F0|SSL_ST_CONNECT)
+#define SSL3_ST_CR_CERT_STATUS_B (0x1F1|SSL_ST_CONNECT)
/* server */
/* extra state */
#define SSL3_ST_SW_FLUSH (0x100|SSL_ST_ACCEPT)
+#ifndef OPENSSL_NO_SCTP
+#define DTLS1_SCTP_ST_SW_WRITE_SOCK (0x310|SSL_ST_ACCEPT)
+#define DTLS1_SCTP_ST_SR_READ_SOCK (0x320|SSL_ST_ACCEPT)
+#endif
/* read from client */
/* Do not change the number values, they do matter */
#define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT)
#define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT)
#define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT)
+#define SSL3_ST_SR_CLNT_HELLO_D (0x115|SSL_ST_ACCEPT)
+#ifndef OPENSSL_NO_TLSEXT
+#define SSL3_ST_SR_SUPPLEMENTAL_DATA_A (0x212|SSL_ST_ACCEPT)
+#define SSL3_ST_SR_SUPPLEMENTAL_DATA_B (0x213|SSL_ST_ACCEPT)
+#endif
/* write to client */
#define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT)
#define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT)
#define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT)
#define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT)
#define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT)
+#ifndef OPENSSL_NO_NEXTPROTONEG
+#define SSL3_ST_SR_NEXT_PROTO_A (0x210|SSL_ST_ACCEPT)
+#define SSL3_ST_SR_NEXT_PROTO_B (0x211|SSL_ST_ACCEPT)
+#endif
#define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT)
#define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT)
/* write to client */
#define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT)
#define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT)
#define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT)
-#define SSL3_ST_SW_SESSION_TICKET_A (0x1F0|SSL_ST_CONNECT)
-#define SSL3_ST_SW_SESSION_TICKET_B (0x1F1|SSL_ST_CONNECT)
+#define SSL3_ST_SW_SESSION_TICKET_A (0x1F0|SSL_ST_ACCEPT)
+#define SSL3_ST_SW_SESSION_TICKET_B (0x1F1|SSL_ST_ACCEPT)
+#define SSL3_ST_SW_CERT_STATUS_A (0x200|SSL_ST_ACCEPT)
+#define SSL3_ST_SW_CERT_STATUS_B (0x201|SSL_ST_ACCEPT)
+#ifndef OPENSSL_NO_TLSEXT
+#define SSL3_ST_SW_SUPPLEMENTAL_DATA_A (0x222|SSL_ST_ACCEPT)
+#define SSL3_ST_SW_SUPPLEMENTAL_DATA_B (0x223|SSL_ST_ACCEPT)
+#endif
#define SSL3_MT_HELLO_REQUEST 0
#define SSL3_MT_CLIENT_HELLO 1
#define SSL3_MT_CERTIFICATE_VERIFY 15
#define SSL3_MT_CLIENT_KEY_EXCHANGE 16
#define SSL3_MT_FINISHED 20
+#define SSL3_MT_CERTIFICATE_STATUS 22
+#ifndef OPENSSL_NO_TLSEXT
+#define SSL3_MT_SUPPLEMENTAL_DATA 23
+#endif
+#ifndef OPENSSL_NO_NEXTPROTONEG
+#define SSL3_MT_NEXT_PROTO 67
+#endif
#define DTLS1_MT_HELLO_VERIFY_REQUEST 3
}
#endif
#endif
-
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