From 3065503e6e921cb622f5b6cf606720ae5d095641 Mon Sep 17 00:00:00 2001
From: mark <mark>
Date: Thu, 6 Oct 2011 05:51:18 +0000
Subject: [PATCH] fix SSH export, from #831

---
 FS/FS/part_export/shellcommands.pm | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/FS/FS/part_export/shellcommands.pm b/FS/FS/part_export/shellcommands.pm
index 4d603cbd2..6fe4254be 100644
--- a/FS/FS/part_export/shellcommands.pm
+++ b/FS/FS/part_export/shellcommands.pm
@@ -475,12 +475,16 @@ sub shellcommands_queue {
 sub ssh_cmd { #subroutine, not method
   use Net::OpenSSH;
   my $opt = { @_ };
-  my $ssh = Net::OpenSSH->new($opt->{'user'}.'@'.$opt->{'host'});
+  open my $def_in, '<', '/dev/null' or die "unable to open /dev/null\n";
+  my $ssh = Net::OpenSSH->new(
+    $opt->{'user'}.'@'.$opt->{'host'},
+    'default_stdin_fh' => $def_in
+  );
   die "Couldn't establish SSH connection: ". $ssh->error if $ssh->error;
 
   my $ssh_opt = {};
   $ssh_opt->{'stdin_data'} = $opt->{'stdin_string'}
-    if exists($opt->{'stdin_string'});
+    if exists($opt->{'stdin_string'}) and length($opt->{'stdin_string'});
   my ($output, $errput) = $ssh->capture2($ssh_opt, $opt->{'command'});
   die "Error running SSH command: ". $ssh->error if $ssh->error;
 
-- 
2.11.0