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-rw-r--r--perl-install/fs/remote/nfs.pm43
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;
}