QUIC DISPATCH/APL: Implement SSL_get0_connection

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20765)

2 files changed, 26 insertions, 0 deletions

diff --git a/ssl/quic/quic_impl.c b/ssl/quic/quic_impl.c
index 01b99c5461..3ed03b1c86 100644
--- a/ssl/quic/quic_impl.c
+++ b/ssl/quic/quic_impl.c
@@ -1822,6 +1822,20 @@ int SSL_inject_net_dgram(SSL *s, const unsigned char *buf,
 }
 
 /*
+ * SSL_get0_connection
+ * -------------------
+ */
+SSL *ossl_quic_get0_connection(SSL *s)
+{
+    QCTX ctx;
+
+    if (!expect_quic(s, &ctx))
+        return NULL;
+
+    return &ctx.qc->ssl;
+}
+
+/*
  * QUIC Front-End I/O API: SSL_CTX Management
  * ==========================================
  */
diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 56cbbac5f8..31905a23d4 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -7311,6 +7311,18 @@ SSL *SSL_new_stream(SSL *s, uint64_t flags)
 #endif
 }
 
+SSL *SSL_get0_connection(SSL *s)
+{
+#ifndef OPENSSL_NO_QUIC
+    if (!IS_QUIC(s))
+        return s;
+
+    return ossl_quic_get0_connection(s);
+#else
+    return s;
+#endif
+}
+
 int SSL_add_expected_rpk(SSL *s, EVP_PKEY *rpk)
 {
     unsigned char *data = NULL;