X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FObject%2FRemote%2FConnector%2FLocalSudo.pm;h=47dead405d5bf8b2814b6f9a5eacbeb7802b3497;hb=f425c3cb155190f7113bda4ad91d831662a2ac7a;hp=6eed5e6dd04b75955c5407e2ad35dcdbe8f833b3;hpb=dac97b35627e705e87c7b9130b1c60d8ef217334;p=scpubgit%2FObject-Remote.git

diff --git a/lib/Object/Remote/Connector/LocalSudo.pm b/lib/Object/Remote/Connector/LocalSudo.pm
index 6eed5e6..47dead4 100644
--- a/lib/Object/Remote/Connector/LocalSudo.pm
+++ b/lib/Object/Remote/Connector/LocalSudo.pm
@@ -1,31 +1,46 @@
 package Object::Remote::Connector::LocalSudo;
 
+use Object::Remote::Logging qw (:log :dlog);
 use Symbol qw(gensym);
+use Module::Runtime qw(use_module);
 use IPC::Open3;
 use Moo;
 
 extends 'Object::Remote::Connector::Local';
 
-has password_callback => (is => 'ro');
+has target_user => (is => 'ro', required => 1);
 
-sub _sudo_perl_command {
-  my ($self, $stderr_fdno, $target_user) = @_;
-  return
-    'sudo', '-S', '-u', $target_user, '-p', "[sudo] password please\n",
+has password_callback => (is => 'lazy');
+
+sub _build_password_callback {
+  my ($self) = @_;
+  my $pw_prompt = use_module('Object::Remote::Prompt')->can('prompt_pw');
+  my $user = $self->target_user;
+  return sub {
+    $pw_prompt->("sudo password for ${user}", undef, { cache => 1 })
+  }
+}
+
+has sudo_perl_command => (is => 'lazy');
+
+sub _build_sudo_perl_command {
+  my ($self) = @_;
+  return [
+    'sudo', '-S', '-u', $self->target_user, '-p', "[sudo] password please\n",
     'perl', '-MPOSIX=dup2',
-            '-e', 'print STDERR "GO\n"; dup2(shift(@ARGV), 2); exec(@ARGV);',
-    $stderr_fdno, $self->_perl_command($target_user);
+            '-e', 'print STDERR "GO\n"; exec(@ARGV);',
+    @{$self->perl_command},
+  ];
 }
 
 sub _start_perl {
   my $self = shift;
-  open my $stderr_dup, '>&', \*STDERR or die "Couldn't dup STDERR: $!";
   my $sudo_stderr = gensym;
   my $pid = open3(
     my $foreign_stdin,
     my $foreign_stdout,
     $sudo_stderr,
-    $self->_sudo_perl_command(fileno($stderr_dup), @_)
+    @{$self->sudo_perl_command}
   ) or die "open3 failed: $!";
   chomp(my $line = <$sudo_stderr>);
   if ($line eq "GO") {
@@ -36,14 +51,36 @@ sub _start_perl {
       unless $cb;
     print $foreign_stdin $cb->($line, @_), "\n";
     chomp($line = <$sudo_stderr>);
-    die "sent password and expected newline from sudo, got ${line}"
-      if $line;
-    chomp($line = <$sudo_stderr>);
-    die "sent password but next line was ${line}"
-      unless $line eq "GO";
+    if ($line and $line ne 'GO') {
+      die "sent password and expected newline from sudo, got ${line}";
+    }
+    elsif (not $line) {
+      chomp($line = <$sudo_stderr>);
+      die "sent password but next line was ${line}"
+        unless $line eq "GO";
+    }
   } else {
     die "Got inexplicable line ${line} trying to sudo";
   };
+  Object::Remote->current_loop
+                ->watch_io(
+                    handle => $sudo_stderr,
+                    on_read_ready => sub {
+                      Dlog_debug { "LocalSudo: Preparing to read data from $_" } $sudo_stderr;
+                      if (sysread($sudo_stderr, my $buf, 32768) > 0) {
+                        log_trace { "LocalSudo: successfully read data, printing it to STDERR" };
+                        print STDERR $buf;
+                        log_trace { "LocalSudo: print() to STDERR is done" };
+                      } else {
+                        log_debug { "LocalSudo: received EOF or error on file handle, unwatching it" };
+                        Object::Remote->current_loop
+                                      ->unwatch_io(
+                                          handle => $sudo_stderr,
+                                          on_read_ready => 1
+                                        );
+                      }
+                    }
+                  );
   return ($foreign_stdin, $foreign_stdout, $pid);
 };
 
@@ -53,7 +90,8 @@ push @Object::Remote::Connection::Guess, sub {
   for ($_[0]) {
     # username followed by @
     if (defined and !ref and /^ ([^\@]*?) \@ $/x) {
-      return __PACKAGE__->new->connect($1);
+      shift(@_);
+      return __PACKAGE__->new(@_, target_user => $1);
     }
   }
   return;