From 84a1f34b0c40625ff517b5ff132d2cf05cb85143 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 15 Aug 2020 18:46:28 -0400
Subject: Check if pipe is writable in wrapper

---
 catsit.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/catsit.sh b/catsit.sh
index bc18a46..0e2a7e1 100644
--- a/catsit.sh
+++ b/catsit.sh
@@ -19,6 +19,9 @@ shift $((OPTIND - 1))
 if ! [ -p "${CATSITD_PIPE}" ]; then
 	die "${CATSITD_PIPE} is not a named pipe"
 fi
+if ! [ -w "${CATSITD_PIPE}" ]; then
+	die "${CATSITD_PIPE} is not writable"
+fi
 
 [ $# -lt 1 ] && die 'action required'
 [ $# -lt 2 ] && die 'service name required'
-- 
cgit 1.4.1