From cbe5f594b5e23a9f55d5ee578bdc8d39eed6763a Mon Sep 17 00:00:00 2001
From: Joel Beckmeyer <joel@beckmeyer.us>
Date: Fri, 28 Jul 2023 09:43:32 -0400
Subject: [PATCH] add ssh tooling

---
 bin/executable_ssh-check-host-fingerprint | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 bin/executable_ssh-check-host-fingerprint

diff --git a/bin/executable_ssh-check-host-fingerprint b/bin/executable_ssh-check-host-fingerprint
new file mode 100644
index 0000000..428548f
--- /dev/null
+++ b/bin/executable_ssh-check-host-fingerprint
@@ -0,0 +1,17 @@
+#!/bin/sh
+tmpfile=$(mktemp /tmp/ssh-check-host-fingerprints.tmp.XXXXXX)
+ssh-keyscan -p "$2" "$1" 2>/dev/null > "$tmpfile"
+if [ -s "$tmpfile" ]; then
+	fingerprints=$(ssh-keygen -lf "$tmpfile" 2>/dev/null | awk '{print $2}')
+	for fingerprint in $fingerprints
+	do
+		if [ "$fingerprint" = "$3" ];
+		then
+			rm "$tmpfile"
+			exit 0
+		fi
+	done
+else
+	rm "$tmpfile"
+	exit 1
+fi