Convert dtls_write_records to use standard record layer functions

[openssl.git] / ssl / record / methods / recmethod_local.h

diff --git a/ssl/record/methods/recmethod_local.h b/ssl/record/methods/recmethod_local.h
index d7c526c2d5978131db85c99f109a5221668d12ed..2ee6c2e7531f9af2e7883e90ea204e7ec125ed90 100644 (file)
--- a/ssl/record/methods/recmethod_local.h
+++ b/ssl/record/methods/recmethod_local.h
@@ -105,6 +105,38 @@ struct record_functions_st
                                  OSSL_RECORD_TEMPLATE *templ,
                                  unsigned int rectype,
                                  unsigned char **recdata);
+
+    int (*add_record_padding)(OSSL_RECORD_LAYER *rl,
+                              OSSL_RECORD_TEMPLATE *thistempl,
+                              WPACKET *thispkt,
+                              SSL3_RECORD *thiswr);
+
+    /*
+     * This applies any mac that might be necessary, ensures that we have enough
+     * space in the WPACKET to perform the encryption and sets up the
+     * SSL3_RECORD ready for that encryption.
+     */
+    int (*prepare_for_encryption)(OSSL_RECORD_LAYER *rl,
+                                  size_t mac_size,
+                                  WPACKET *thispkt,
+                                  SSL3_RECORD *thiswr);
+
+    /*
+     * Any updates required to the record after encryption has been applied. For
+     * example, adding a MAC if using encrypt-then-mac
+     */
+    int (*post_encryption_processing)(OSSL_RECORD_LAYER *rl,
+                                      size_t mac_size,
+                                      OSSL_RECORD_TEMPLATE *thistempl,
+                                      WPACKET *thispkt,
+                                      SSL3_RECORD *thiswr);
+
+    /*
+     * Some record layer implementations need to do some custom preparation of
+     * the BIO before we write to it. KTLS does this to prevent coalescing of
+     * control and data messages.
+     */
+    int (*prepare_write_bio)(OSSL_RECORD_LAYER *rl, int type);
 };
 
 struct ossl_record_layer_st
@@ -317,8 +349,17 @@ int tls_default_read_n(OSSL_RECORD_LAYER *rl, size_t n, size_t max, int extend,
 int tls_get_more_records(OSSL_RECORD_LAYER *rl);
 int dtls_get_more_records(OSSL_RECORD_LAYER *rl);
 
+int dtls_prepare_record_header(OSSL_RECORD_LAYER *rl,
+                               WPACKET *thispkt,
+                               OSSL_RECORD_TEMPLATE *templ,
+                               unsigned int rectype,
+                               unsigned char **recdata);
+int dtls_write_records(OSSL_RECORD_LAYER *rl, OSSL_RECORD_TEMPLATE *templates,
+                       size_t numtempl);
+
 int tls_default_set_protocol_version(OSSL_RECORD_LAYER *rl, int version);
 int tls_default_validate_record_header(OSSL_RECORD_LAYER *rl, SSL3_RECORD *re);
+int tls_do_compress(OSSL_RECORD_LAYER *rl, SSL3_RECORD *wr);
 int tls_do_uncompress(OSSL_RECORD_LAYER *rl, SSL3_RECORD *rec);
 int tls_default_post_process_record(OSSL_RECORD_LAYER *rl, SSL3_RECORD *rec);
 int tls13_common_post_process_record(OSSL_RECORD_LAYER *rl, SSL3_RECORD *rec);
@@ -402,6 +443,15 @@ int tls_prepare_record_header_default(OSSL_RECORD_LAYER *rl,
                                       OSSL_RECORD_TEMPLATE *templ,
                                       unsigned int rectype,
                                       unsigned char **recdata);
+int tls_prepare_for_encryption_default(OSSL_RECORD_LAYER *rl,
+                                       size_t mac_size,
+                                       WPACKET *thispkt,
+                                       SSL3_RECORD *thiswr);
+int tls_post_encryption_processing_default(OSSL_RECORD_LAYER *rl,
+                                           size_t mac_size,
+                                           OSSL_RECORD_TEMPLATE *thistempl,
+                                           WPACKET *thispkt,
+                                           SSL3_RECORD *thiswr);
 int tls_write_records_default(OSSL_RECORD_LAYER *rl,
                               OSSL_RECORD_TEMPLATE *templates,
                               size_t numtempl);