diff options
Diffstat (limited to 'perl-install/fs')
| -rw-r--r-- | perl-install/fs/remote/nfs.pm | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/perl-install/fs/remote/nfs.pm b/perl-install/fs/remote/nfs.pm index 99e9b7b04..cc97f4a69 100644 --- a/perl-install/fs/remote/nfs.pm +++ b/perl-install/fs/remote/nfs.pm @@ -5,6 +5,7 @@ use diagnostics; use common; use fs::remote; +use network::tools; use log; our @ISA = 'fs::remote'; @@ -28,34 +29,36 @@ sub to_dev_raw { sub check { my ($_class, $in) = @_; - $in->do_pkgs->ensure_binary_is_installed('nfs-utils', 'showmount') or return; + $in->do_pkgs->ensure_files_are_installed([ [ 'nfs-utils' , '/usr/sbin/showmount' ] , [ 'nmap' , '/usr/bin/nmap' ] ]); require services; - services::start_not_running_service('portmap'); + services::start_not_running_service('rpcbind'); services::start('nfs-common'); #- TODO: once nfs-common is fixed, it could use start_not_running_service() 1; } sub find_servers { - open(my $F2, "rpcinfo-flushed -b mountd 2 |"); - open(my $F3, "rpcinfo-flushed -b mountd 3 |"); - - common::nonblock($F2); - common::nonblock($F3); - my $domain = chomp_(`domainname`); - my ($s, %servers); - my $quit; - while (!$quit) { - $quit = 1; - sleep 1; - while ($s = <$F2> || <$F3>) { - $quit = 0; - my ($ip, $name) = $s =~ /(\S+)\s+(\S+)/ or log::explanations("bad line in rpcinfo output"), next; - $name =~ s/\.$//; - $domain && $name =~ s/\Q.$domain\E$// - || $name =~ s/^([^.]*)\.local$/$1/; - $servers{$ip} ||= { ip => $ip, if_($name ne '(unknown)', name => $name) }; + my @hosts; + my %servers; + my @routes = cat_("/proc/net/route"); + @routes = reverse(@routes) if common::cmp_kernel_versions(c::kernel_version(), "2.6.39") >= 0; + foreach (@routes) { + if (/^(\S+)\s+([0-9A-F]+)\s+([0-9A-F]+)\s+[0-9A-F]+\s+\d+\s+\d+\s+(\d+)\s+([0-9A-F]+)/) { + my $net = network::tools::host_hex_to_dotted($2); + my $gateway = $3; + # get the netmask in binary and remove leading zeros + my $mask = unpack('B*', pack('h*', $5)); + $mask =~ s/^0*//; + push @hosts, $net . "/" . length($mask) if $gateway eq '00000000' && $net ne '169.254.0.0'; } + } + # runs the nmap command on the local subnet + my $cmd = "/usr/bin/nmap -p 111 --open --system-dns -oG - " . (join ' ',@hosts); + open my $FH, "$cmd |" or die "Could not perform nmap scan - $!"; + foreach (<$FH>) { + my ($ip, $name) = /^H\S+\s(\S+)\s+\((\S*)\).+Port/ or next; + $servers{$ip} ||= { ip => $ip, name => $name || $ip }; } + close $FH; values %servers; } |