+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
+
+/* 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 {
+ 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;
+