From c56a85a45075264f1976cf8767e9adff01c26939 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marco=20Trevisan=20=28Trevi=C3=B1o=29?= <mail@3v1n0.net>
Date: Thu, 26 Oct 2023 00:56:49 +0200
Subject: [PATCH] transaction: Add BinaryConversationFunc adapter

---
 transaction.go | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/transaction.go b/transaction.go
index a186f2f5..6edf074e 100644
--- a/transaction.go
+++ b/transaction.go
@@ -197,6 +197,20 @@ func (f ConversationFunc) RespondPAM(s Style, msg string) (string, error) {
 	return f(s, msg)
 }
 
+// BinaryConversationFunc is an adapter to allow the use of ordinary functions
+// as binary (only) conversation callbacks.
+type BinaryConversationFunc func(BinaryPointer) ([]byte, error)
+
+// RespondPAMBinary is a conversation callback adapter.
+func (f BinaryConversationFunc) RespondPAMBinary(ptr BinaryPointer) ([]byte, error) {
+	return f(ptr)
+}
+
+// RespondPAM is a dummy conversation callback adapter.
+func (f BinaryConversationFunc) RespondPAM(Style, string) (string, error) {
+	return "", ConvErr
+}
+
 // cbPAMConv is a wrapper for the conversation callback function.
 //
 //export cbPAMConv