1 package Object::Remote::Connector::LocalSudo;
3 use Object::Remote::Logging qw (:log :dlog);
5 use Module::Runtime qw(use_module);
9 extends 'Object::Remote::Connector::Local';
11 has target_user => (is => 'ro', required => 1);
13 has password_callback => (is => 'lazy');
15 sub _build_password_callback {
17 my $pw_prompt = use_module('Object::Remote::Prompt')->can('prompt_pw');
18 my $user = $self->target_user;
20 $pw_prompt->("sudo password for ${user}", undef, { cache => 1 })
24 has sudo_perl_command => (is => 'lazy');
26 sub _build_sudo_perl_command {
29 'sudo', '-S', '-u', $self->target_user, '-p', "[sudo] password please\n",
30 'perl', '-MPOSIX=dup2',
31 '-e', 'print STDERR "GO\n"; exec(@ARGV);',
32 @{$self->perl_command},
38 my $sudo_stderr = gensym;
43 @{$self->sudo_perl_command}
44 ) or die "open3 failed: $!";
45 chomp(my $line = <$sudo_stderr>);
47 # started already, we're good
48 } elsif ($line =~ /\[sudo\]/) {
49 my $cb = $self->password_callback;
50 die "sudo sent ${line} but we have no password callback"
52 print $foreign_stdin $cb->($line, @_), "\n";
53 chomp($line = <$sudo_stderr>);
54 if ($line and $line ne 'GO') {
55 die "sent password and expected newline from sudo, got ${line}";
58 chomp($line = <$sudo_stderr>);
59 die "sent password but next line was ${line}"
63 die "Got inexplicable line ${line} trying to sudo";
65 Object::Remote->current_loop
67 handle => $sudo_stderr,
68 on_read_ready => sub {
69 Dlog_debug { "LocalSudo: Preparing to read data from $_" } $sudo_stderr;
70 if (sysread($sudo_stderr, my $buf, 32768) > 0) {
71 log_trace { "LocalSudo: successfully read data, printing it to STDERR" };
73 log_trace { "LocalSudo: print() to STDERR is done" };
75 log_debug { "LocalSudo: received EOF or error on file handle, unwatching it" };
76 Object::Remote->current_loop
78 handle => $sudo_stderr,
84 return ($foreign_stdin, $foreign_stdout, $pid);
89 push @Object::Remote::Connection::Guess, sub {
91 # username followed by @
92 if (defined and !ref and /^ ([^\@]*?) \@ $/x) {
94 return __PACKAGE__->new(@_, target_user => $1);