From 647d28bf9b8da2ce47a888aad71ab5264eea6c6d Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Wed, 9 Dec 2020 18:28:03 +0100
Subject: lacme: delay webserver socket shutdown.

To after the process has terminated.  This solves a race condition
spewing

    accept: Invalid argument at /usr/libexec/lacme/webserver line 80.

(harmless) errors.

Closes: deb#970458
---
 lacme | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lacme')

diff --git a/lacme b/lacme
index 07ebb45..088e393 100755
--- a/lacme
+++ b/lacme
@@ -346,9 +346,9 @@ sub spawn_webserver() {
         set_FD_CLOEXEC($sock, 1);
         push @CLEANUP, sub() {
             print STDERR "[$$] Shutting down ACME webserver bound to $p\n" if $OPTS{debug};
-            shutdown($sock, SHUT_RDWR) or warn "shutdown: $!";
             kill 15 => $pid;
             waitpid $pid => 0;
+            shutdown($sock, SHUT_RDWR) or warn "shutdown: $!";
         };
 
         # on dual-stack ipv4/ipv6, we'll need to open the port for the
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