Various fixes required to allow SSL_write/SSL_read during early data

[openssl.git] / ssl / statem / statem_locl.h

diff --git a/ssl/statem/statem_locl.h b/ssl/statem/statem_locl.h
index 96ddac2cb6eb3b460da893353bd49358818dddc3..c52ce2bd16b15d31f5de9a0aea02a7b794dcd754 100644 (file)
--- a/ssl/statem/statem_locl.h
+++ b/ssl/statem/statem_locl.h
@@ -23,10 +23,14 @@
 #define ENCRYPTED_EXTENSIONS_MAX_LENGTH 20000
 #define SERVER_KEY_EXCH_MAX_LENGTH      102400
 #define SERVER_HELLO_DONE_MAX_LENGTH    0
+#define KEY_UPDATE_MAX_LENGTH           1
 #define CCS_MAX_LENGTH                  1
 /* Max should actually be 36 but we are generous */
 #define FINISHED_MAX_LENGTH             64
 
+/* The maximum number of incoming KeyUpdate messages we will accept */
+#define MAX_KEY_UPDATE_MESSAGES     32
+
 /* Extension context codes */
 /* This extension is only allowed in TLS */
 #define EXT_TLS_ONLY                        0x0001
@@ -49,6 +53,9 @@
 #define EXT_TLS1_3_CERTIFICATE              0x0800
 #define EXT_TLS1_3_NEW_SESSION_TICKET       0x1000
 
+/* Dummy message type */
+#define SSL3_MT_DUMMY   -1
+
 /* Message processing return codes */
 typedef enum {
     /* Something bad happened */
@@ -112,6 +119,7 @@ __owur int dtls_construct_change_cipher_spec(SSL *s, WPACKET *pkt);
 
 __owur int tls_construct_finished(SSL *s, WPACKET *pkt);
 __owur int tls_construct_key_update(SSL *s, WPACKET *pkt);
+__owur MSG_PROCESS_RETURN tls_process_key_update(SSL *s, PACKET *pkt);
 __owur WORK_STATE tls_finish_handshake(SSL *s, WORK_STATE wst, int clearbufs);
 __owur WORK_STATE dtls_wait_for_dry(SSL *s);
 
@@ -162,7 +170,7 @@ __owur int tls_construct_new_session_ticket(SSL *s, WPACKET *pkt);
 /* Extension processing */
 
 __owur int tls_collect_extensions(SSL *s, PACKET *packet, unsigned int context,
-                                  RAW_EXTENSION **res, int *al);
+                                  RAW_EXTENSION **res, int *al, size_t *len);
 __owur int tls_parse_extension(SSL *s, TLSEXT_INDEX idx, int context,
                                RAW_EXTENSION *exts,  X509 *x, size_t chainidx,
                                int *al);
@@ -186,6 +194,8 @@ int tls_parse_ctos_server_name(SSL *s, PACKET *pkt, unsigned int context,
 int tls_parse_ctos_srp(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
                        size_t chainidx, int *al);
 #endif
+int tls_parse_ctos_early_data(SSL *s, PACKET *pkt, unsigned int context,
+                              X509 *x, size_t chainidx, int *al);
 #ifndef OPENSSL_NO_EC
 int tls_parse_ctos_ec_pt_formats(SSL *s, PACKET *pkt, unsigned int context,
                                  X509 *x, size_t chainidx, int *al);
@@ -225,6 +235,11 @@ int tls_construct_stoc_renegotiate(SSL *s, WPACKET *pkt, unsigned int context,
                                    X509 *x, size_t chainidx, int *al);
 int tls_construct_stoc_server_name(SSL *s, WPACKET *pkt, unsigned int context,
                                    X509 *x, size_t chainidx, int *al);
+int tls_construct_stoc_early_data_info(SSL *s, WPACKET *pkt,
+                                       unsigned int context, X509 *x,
+                                       size_t chainidx, int *al);
+int tls_construct_stoc_early_data(SSL *s, WPACKET *pkt, unsigned int context,
+                                  X509 *x, size_t chainidx, int *al);
 #ifndef OPENSSL_NO_EC
 int tls_construct_stoc_ec_pt_formats(SSL *s, WPACKET *pkt, unsigned int context,
                                      X509 *x, size_t chainidx, int *al);
@@ -280,6 +295,8 @@ int tls_construct_ctos_supported_groups(SSL *s, WPACKET *pkt,
                                         unsigned int context, X509 *x,
                                         size_t chainidx, int *al);
 #endif
+int tls_construct_ctos_early_data(SSL *s, WPACKET *pkt, unsigned int context,
+                                  X509 *x, size_t chainidx, int *al);
 int tls_construct_ctos_session_ticket(SSL *s, WPACKET *pkt,
                                       unsigned int context, X509 *x,
                                       size_t chainidx, int *al);
@@ -323,6 +340,10 @@ int tls_parse_stoc_renegotiate(SSL *s, PACKET *pkt, unsigned int context,
                                X509 *x, size_t chainidx, int *al);
 int tls_parse_stoc_server_name(SSL *s, PACKET *pkt, unsigned int context,
                                X509 *x, size_t chainidx, int *al);
+int tls_parse_stoc_early_data_info(SSL *s, PACKET *pkt, unsigned int context,
+                              X509 *x, size_t chainidx, int *al);
+int tls_parse_stoc_early_data(SSL *s, PACKET *pkt, unsigned int context,
+                              X509 *x, size_t chainidx, int *al);
 #ifndef OPENSSL_NO_EC
 int tls_parse_stoc_ec_pt_formats(SSL *s, PACKET *pkt, unsigned int context,
                                  X509 *x, size_t chainidx, int *al);