ngtcp2: utilize crypto API functions to simplify

Closes #7551

1 files changed, 11 insertions, 57 deletions

diff --git a/lib/vquic/ngtcp2.c b/lib/vquic/ngtcp2.c
index 3374e9eeb..f9d3a98c0 100644
--- a/lib/vquic/ngtcp2.c
+++ b/lib/vquic/ngtcp2.c
@@ -28,6 +28,9 @@
 #include <nghttp3/nghttp3.h>
 #ifdef USE_OPENSSL
 #include <openssl/err.h>
+#include <ngtcp2/ngtcp2_crypto_openssl.h>
+#elif defined(USE_GNUTLS)
+#include <ngtcp2/ngtcp2_crypto_gnutls.h>
 #endif
 #include "urldata.h"
 #include "sendf.h"
@@ -117,42 +120,6 @@ static void quic_printf(void *user_data, const char *fmt, ...)
 }
 #endif
 
-#ifdef USE_OPENSSL
-static ngtcp2_crypto_level
-quic_from_ossl_level(OSSL_ENCRYPTION_LEVEL ossl_level)
-{
-  switch(ossl_level) {
-  case ssl_encryption_initial:
-    return NGTCP2_CRYPTO_LEVEL_INITIAL;
-  case ssl_encryption_early_data:
-    return NGTCP2_CRYPTO_LEVEL_EARLY;
-  case ssl_encryption_handshake:
-    return NGTCP2_CRYPTO_LEVEL_HANDSHAKE;
-  case ssl_encryption_application:
-    return NGTCP2_CRYPTO_LEVEL_APPLICATION;
-  default:
-    assert(0);
-  }
-}
-#elif defined(USE_GNUTLS)
-static ngtcp2_crypto_level
-quic_from_gtls_level(gnutls_record_encryption_level_t gtls_level)
-{
-  switch(gtls_level) {
-  case GNUTLS_ENCRYPTION_LEVEL_INITIAL:
-    return NGTCP2_CRYPTO_LEVEL_INITIAL;
-  case GNUTLS_ENCRYPTION_LEVEL_EARLY:
-    return NGTCP2_CRYPTO_LEVEL_EARLY;
-  case GNUTLS_ENCRYPTION_LEVEL_HANDSHAKE:
-    return NGTCP2_CRYPTO_LEVEL_HANDSHAKE;
-  case GNUTLS_ENCRYPTION_LEVEL_APPLICATION:
-    return NGTCP2_CRYPTO_LEVEL_APPLICATION;
-  default:
-    assert(0);
-  }
-}
-#endif
-
 static void qlog_callback(void *user_data, uint32_t flags,
                           const void *data, size_t datalen)
 {
@@ -260,7 +227,7 @@ static int quic_set_encryption_secrets(SSL *ssl,
                                        size_t secretlen)
 {
   struct quicsocket *qs = (struct quicsocket *)SSL_get_app_data(ssl);
-  int level = quic_from_ossl_level(ossl_level);
+  int level = ngtcp2_crypto_openssl_from_ossl_encryption_level(ossl_level);
 
   if(ngtcp2_crypto_derive_and_install_rx_key(
        qs->qconn, NULL, NULL, NULL, level, rx_secret, secretlen) != 0)
@@ -282,7 +249,8 @@ static int quic_add_handshake_data(SSL *ssl, OSSL_ENCRYPTION_LEVEL ossl_level,
                                    const uint8_t *data, size_t len)
 {
   struct quicsocket *qs = (struct quicsocket *)SSL_get_app_data(ssl);
-  ngtcp2_crypto_level level = quic_from_ossl_level(ossl_level);
+  ngtcp2_crypto_level level =
+      ngtcp2_crypto_openssl_from_ossl_encryption_level(ossl_level);
 
   return write_client_handshake(qs, level, data, len);
 }
@@ -370,7 +338,8 @@ static int secret_func(gnutls_session_t ssl,
                        const void *tx_secret, size_t secretlen)
 {
   struct quicsocket *qs = gnutls_session_get_ptr(ssl);
-  int level = quic_from_gtls_level(gtls_level);
+  int level =
+      ngtcp2_crypto_gnutls_from_gnutls_record_encryption_level(gtls_level);
 
   if(level != NGTCP2_CRYPTO_LEVEL_EARLY &&
      ngtcp2_crypto_derive_and_install_rx_key(
@@ -395,7 +364,8 @@ static int read_func(gnutls_session_t ssl,
                      size_t len)
 {
   struct quicsocket *qs = gnutls_session_get_ptr(ssl);
-  ngtcp2_crypto_level level = quic_from_gtls_level(gtls_level);
+  ngtcp2_crypto_level level =
+      ngtcp2_crypto_gnutls_from_gnutls_record_encryption_level(gtls_level);
   int rv;
 
   if(htype == GNUTLS_HANDSHAKE_CHANGE_CIPHER_SPEC)
@@ -543,22 +513,6 @@ static int quic_init_ssl(struct quicsocket *qs)
 }
 #endif
 
-static int
-cb_recv_crypto_data(ngtcp2_conn *tconn, ngtcp2_crypto_level crypto_level,
-                    uint64_t offset,
-                    const uint8_t *data, size_t datalen,
-                    void *user_data)
-{
-  (void)offset;
-  (void)user_data;
-
-  if(ngtcp2_crypto_read_write_crypto_data(tconn, crypto_level, data,
-                                          datalen) != 0)
-    return NGTCP2_ERR_CRYPTO;
-
-  return 0;
-}
-
 static int cb_handshake_completed(ngtcp2_conn *tconn, void *user_data)
 {
   (void)user_data;
@@ -731,7 +685,7 @@ static int cb_get_new_connection_id(ngtcp2_conn *tconn, ngtcp2_cid *cid,
 static ngtcp2_callbacks ng_callbacks = {
   ngtcp2_crypto_client_initial_cb,
   NULL, /* recv_client_initial */
-  cb_recv_crypto_data,
+  ngtcp2_crypto_recv_crypto_data_cb,
   cb_handshake_completed,
   NULL, /* recv_version_negotiation */
   ngtcp2_crypto_encrypt_cb,