Bring back the NPN related symbols.

Several pieces of software make use of these based on a conditional around
OPENSSL_NPN_NEGOTIATED, rather than using the presence of the symbols, the
non-existence of a OPENSSL_NO_NEXTPROTONEG define or even the existence of
the TLS extension type.

Unfortunately we cannot remove OPENSSL_NPN_NEGOTIATED since the API for
ALPN was effectively botched and reuses two parts from the NPN
implementation, rather than providing ALPN specific or generic versions.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/lib/libssl/Symbols.list b/src/lib/libssl/Symbols.list
index 7b54776d55..e147ff873d 100644
--- a/src/lib/libssl/Symbols.list
+++ b/src/lib/libssl/Symbols.list
@@ -100,6 +100,8 @@ SSL_CTX_set_info_callback
 SSL_CTX_set_min_proto_version
 SSL_CTX_set_max_proto_version
 SSL_CTX_set_msg_callback
+SSL_CTX_set_next_proto_select_cb
+SSL_CTX_set_next_protos_advertised_cb
 SSL_CTX_set_purpose
 SSL_CTX_set_quiet_shutdown
 SSL_CTX_set_session_id_context
@@ -159,6 +161,7 @@ SSL_dup_CA_list
 SSL_export_keying_material
 SSL_free
 SSL_get0_alpn_selected
+SSL_get0_next_proto_negotiated
 SSL_get1_session
 SSL_get_SSL_CTX
 SSL_get_certificate