QUIC APL: Wire SSL_get_[rw]poll_descriptor for TLS/DTLS

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21979)

diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index fec9124ce4c091f2e487ec77762406fa4901e93a..f15fe126a22f54b2d85e186592a1450757a2ce40 100644 (file)
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -7318,26 +7318,32 @@ int SSL_get_event_timeout(SSL *s, struct timeval *tv, int *is_infinite)
 
 int SSL_get_rpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc)
 {
-#ifndef OPENSSL_NO_QUIC
-    if (!IS_QUIC(s))
-        return -1;
+    SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
 
-    return ossl_quic_get_rpoll_descriptor(s, desc);
-#else
-    return -1;
+#ifndef OPENSSL_NO_QUIC
+    if (IS_QUIC(s))
+        return ossl_quic_get_rpoll_descriptor(s, desc);
 #endif
+
+    if (sc == NULL || sc->rbio == NULL)
+        return 0;
+
+    return BIO_get_rpoll_descriptor(sc->rbio, desc);
 }
 
 int SSL_get_wpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc)
 {
-#ifndef OPENSSL_NO_QUIC
-    if (!IS_QUIC(s))
-        return -1;
+    SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
 
-    return ossl_quic_get_wpoll_descriptor(s, desc);
-#else
-    return -1;
+#ifndef OPENSSL_NO_QUIC
+    if (IS_QUIC(s))
+        return ossl_quic_get_wpoll_descriptor(s, desc);
 #endif
+
+    if (sc == NULL || sc->wbio == NULL)
+        return 0;
+
+    return BIO_get_wpoll_descriptor(sc->wbio, desc);
 }
 
 int SSL_net_read_desired(SSL *s)