From a08a66d7ee07a2fc27cbe17c85e78c7e34076131 Mon Sep 17 00:00:00 2001
From: Lexi Winter <lexi@le-fay.org>
Date: Wed, 4 Jun 2025 12:46:22 +0100
Subject: add a challenge handler for ualpn(1)

---
 ualpn.sh.in | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 ualpn.sh.in

(limited to 'ualpn.sh.in')

diff --git a/ualpn.sh.in b/ualpn.sh.in
new file mode 100644
index 0000000..372ed27
--- /dev/null
+++ b/ualpn.sh.in
@@ -0,0 +1,55 @@
+#! /bin/sh
+# This source code is released into the public domain.
+
+. __LIBDIR__/init.sh
+
+# begin, done or failed
+ACTION=$1
+# ACME method, must be http-01.
+METHOD=$2
+# The full domain name we're authorising.
+DOMAIN=$3
+# Token name.
+TOKEN=$4
+# The token value we need to create.
+AUTH=$5
+
+if [ "$#" -ne 5 ]; then
+	_fatal "missing arguments"
+fi
+
+if [ "$METHOD" != "tls-alpn-01" ]; then
+	exit 1
+fi
+
+case "$ACTION" in
+	begin)
+		_verbose "creating validation token %s" "$_file"
+		status="$(ualpn <<EOF
+auth ${DOMAIN} ${AUTH}
+EOF
+)"
+		if [ "$status" = "OK" ]; then
+			exit 0
+		else
+			exit 1
+		fi
+		;;
+
+	done|failed)
+		_verbose "deleting validation token %s" "$_file"
+		status="$(ualpn <<EOF
+unauth ${DOMAIN}
+EOF
+)"
+		if [ "$status" = "OK" ]; then
+			exit 0
+		else
+			exit 1
+		fi
+		;;
+
+	*)
+		_fatal "unknown action: %s" "$ACTION"
+		;;
+esac
-- 
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