### along with this program; if not, write to the Free Software Foundation,
### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-## things to do
-##
-## pidfiles
-
-my $VERSION = "0.1.0~unfinished";
+my $VERSION = "0.1.0";
use strict;
return $l->l_type != F_UNLCK;
}
+sub write_to_file ($$) {
+ my ($file, $contents) = @_;
+ my $new = "$file.new";
+ open my $fh, ">", $new or sysfail "couldn't open `$new' for writing: $!";
+ print $fh $contents;
+ $fh->flush && !$fh->error && close $fh
+ or sysfail "failed to write to `$new': $!";
+ rename $new, $file or sysfail "failed to rename `$new' to `$file': $!";
+}
+
my $INKIDP = 0;
sub myfork () {
my $kid = fork;
## The `-L' option sets up the tunnel that we actually wanted. The `-v'
## makes SSH spew stuff to stdout, which might be useful if you're
- ## debugging. . The `-S' detaches OpenSSH from any control master
- ## things which might be going on, because they tend to interfere with
+ ## debugging. The `-S' detaches OpenSSH from any control master things
+ ## which might be going on, because they tend to interfere with
## forwarding (and, besides, the existing master won't be under the same
## noip configuration). The `echo' will let us know that it's started
## up, and the `read' will keep the tunnel open until we close our end,
$s->{"_ssh_stdin"} = $win;
$s->{"_ssh_stdout"} = $rout;
$KIDMAP{$kid} = [$s, "SSH tunnel"];
+ write_to_file "$SESSDIR/ssh-$server.pid", "$kid\n";
}
}
my ($n, $t) = select my $rfd_out = $rfd_in, undef, undef, undef;
if ($n >= 0) { }
elsif ($! == EINTR) { next SELECT; }
- else { sysfail "select failed: $!"; }
+ else { sysfail "select failed: $!"; }
FD: for my $fd (keys %fd) {
next FD unless vec $rfd_out, $fd, 1;
my ($sk, $s) = @{$fd{$fd}};
exec @args or sysfail "failed to exec `$prog': $!";
}
$CLIENTKID = $kid;
+ write_to_file "$SESSDIR/client.pid", "$kid\n";
}
sub accept_loop () {
my ($n, $t) = select my $rfd_out = $rfd_in, undef, undef, undef;
if ($n >= 0) { }
elsif ($! == EINTR) { next SELECT; }
- else { sysfail "select failed: $!"; }
+ else { sysfail "select failed: $!"; }
FD: for my $fd (keys %SERVMAP) {
next FD unless vec $rfd_out, $fd, 1;
my ($s, $a, $sk) = @{$SERVMAP{$fd}};