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phorge-phorge/scripts/ssh/ssh-auth.php
epriestley bf17b12daf Standardize SSH key storage
Summary:
Ref T5833. This fixes a few weird things with this table:

  - A bunch of columns were nullable for no reason.
  - We stored an MD5 hash of the key (unusual) but never used it and callers were responsible for manually populating it.
  - We didn't perform known-key-text lookups by using an index.

Test Plan:
  - Ran migrations.
  - Faked duplicate keys, saw them clean up correctly.
  - Added new keys.
  - Generated new keys.
  - Used `bin/auth-ssh` and `bin/auth-ssh-key`.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T5833

Differential Revision: https://secure.phabricator.com/D10805
2014-11-07 15:34:44 -08:00

60 lines
1.4 KiB
PHP
Executable file

#!/usr/bin/env php
<?php
$root = dirname(dirname(dirname(__FILE__)));
require_once $root.'/scripts/__init_script__.php';
$keys = id(new PhabricatorAuthSSHKeyQuery())
->setViewer(PhabricatorUser::getOmnipotentUser())
->execute();
foreach ($keys as $key => $ssh_key) {
// For now, filter out any keys which don't belong to users. Eventually we
// may allow devices to use this channel.
if (!($ssh_key->getObject() instanceof PhabricatorUser)) {
unset($keys[$key]);
continue;
}
}
if (!$keys) {
echo pht('No keys found.')."\n";
exit(1);
}
$bin = $root.'/bin/ssh-exec';
foreach ($keys as $ssh_key) {
$user = $ssh_key->getObject()->getUsername();
$cmd = csprintf('%s --phabricator-ssh-user %s', $bin, $user);
// This is additional escaping for the SSH 'command="..."' string.
$cmd = addcslashes($cmd, '"\\');
// Strip out newlines and other nonsense from the key type and key body.
$type = $ssh_key->getKeyType();
$type = preg_replace('@[\x00-\x20]+@', '', $type);
if (!strlen($type)) {
continue;
}
$key = $ssh_key->getKeyBody();
$key = preg_replace('@[\x00-\x20]+@', '', $key);
if (!strlen($key)) {
continue;
}
$options = array(
'command="'.$cmd.'"',
'no-port-forwarding',
'no-X11-forwarding',
'no-agent-forwarding',
'no-pty',
);
$options = implode(',', $options);
$lines[] = $options.' '.$type.' '.$key."\n";
}
echo implode('', $lines);
exit(0);