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sanoid
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rename ssh control socket to avoid problem with length limits and conflicts

This commit is contained in:
Christoph Klaffl 2024-04-17 08:14:04 +02:00
parent 19fc237476
commit a059054ffb
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1 changed files with 8 additions and 1 deletions
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syncoid
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@ -1786,8 +1786,15 @@ sub getssh {
if ($rhost ne "") {
if ($remoteuser eq 'root' || $args{'no-privilege-elevation'}) { $isroot = 1; } else { $isroot = 0; }
my $sanitizedrhost = $rhost;
$sanitizedrhost =~ s/[^a-zA-Z0-9-]//g;
# unix socket path have a length limit of about 104 characters so make sure it's not exceeded
$sanitizedrhost = substr($sanitizedrhost, 0, 50);
# now we need to establish a persistent master SSH connection
$socket = "/tmp/syncoid-$rhost-" . time() . "-" . int(rand(10000));
$socket = "/tmp/syncoid-$sanitizedrhost-" . time() . "-" . $$ . "-" . int(rand(10000));
open FH, "$sshcmd -M -S $socket -o ControlPersist=1m $args{'sshport'} $rhost exit |";
close FH;