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package network::smb; # $Id$
use strict;
use diagnostics;
use common;
use fs;
use network::network;
use network::smbnfs;
our @ISA = 'network::smbnfs';
sub to_fstab_entry {
my ($class, $e) = @_;
my $part = $class->to_fstab_entry_raw($e, 'smbfs');
if ($e->{server}{username}) {
my ($options, $unknown) = fs::mount_options_unpack($part);
$options->{"$_="} = $e->{server}{$_} foreach qw(username password domain);
fs::mount_options_pack($part, $options, $unknown);
}
$part;
}
sub from_dev {
my ($class, $dev) = @_;
$dev =~ m|//(.*?)/(.*)|;
}
sub to_dev_raw {
my ($class, $server, $name) = @_;
'//' . $server . '/' . $name;
}
sub check {
my ($class, $in) = @_;
$in->do_pkgs->ensure_is_installed('samba-client', '/usr/bin/nmblookup');
}
sub smbclient {
my ($server) = @_;
my $name = $server->{name} || $server->{ip};
my $ip = $server->{ip} ? "-I $server->{ip}" : '';
my $group = $server->{group} ? " -W $server->{group}" : '';
my $U = $server->{username} ? sprintf("%s/%s%%%s", @$server{'domain', 'username', 'password'}) : '%';
`smbclient -U $U -L $name $ip$group`;
}
sub find_servers {
my (undef, @l) = `nmblookup "*"`;
s/\s.*\n// foreach @l;
my @servers = grep { network::network::is_ip($_) } @l;
my %servers;
$servers{$_}{ip} = $_ foreach @servers;
my ($ip, $browse);
foreach (`nmblookup -A @servers`) {
my $nb = /^Looking up status of (\S+)/ .. /^$/ or next;
if ($nb == 1) {
$ip = $1;
} elsif (/<00>/) {
$servers{$ip}{/<GROUP>/ ? 'group' : 'name'} ||= lc first(/(\S+)/);
} elsif (/__MSBROWSE__/) {
$browse ||= $servers{$ip};
}
}
if ($browse) {
my %l;
foreach (smbclient($browse)) {
my $nb = /^\s*Workgroup/ .. /^$/;
$nb > 2 or next;
my ($group, $name) = split(' ', lc($_));
# already done
next if grep { $group eq $_->{group} } values %servers;
$l{$name} = $group;
}
if (my @l = keys %l) {
foreach (`nmblookup @l`) {
$servers{$1} = { name => $2, group => $l{$2} } if /(\S+)\s+([^<]+)<00>/;
}
}
}
values %servers;
}
sub find_exports {
my ($class, $server) = @_;
my @l;
foreach (smbclient($server)) {
chomp;
s/^\t//;
/NT_STATUS_/ and die $_;
my ($name, $type, $comment) = unpack "A15 A10 A*", $_;
if ($name eq '---------' && $type eq '----' && $comment eq '-------' .. /^$/) {
push @l, { name => $name, type => $type, comment => $comment, server => $server }
if $type eq 'Disk' && $name !~ /\$$/ && $name !~ /NETLOGON|SYSVOL/;
}
}
@l;
}
sub authentifications_available {
my ($server) = @_;
map { if_(/^auth.\Q$server->{name}.\E(.*)/, $1) } all("/etc/samba");
}
sub to_credentials {
my ($server_name, $username) = @_;
$username or die 'to_credentials';
"/etc/samba/auth.$server_name.$username";
}
sub fstab_entry_to_credentials {
my ($part) = @_;
my ($server_name) = network::smb->from_dev($part->{device}) or return;
my ($options, $unknown) = fs::mount_options_unpack($part);
$options->{'username='} && $options->{'password='} or return;
my %h = map { $_ => delete $options->{"$_="} } qw(username domain password);
$h{file} = $options->{'credentials='} = to_credentials($server_name, $h{username});
fs::mount_options_pack_($part, $options, $unknown), \%h;
}
sub remove_bad_credentials {
my ($server) = @_;
unlink to_credentials($server->{name}, $server->{username});
}
sub save_credentials {
my ($credentials) = @_;
my $file = $credentials->{file};
output_p("$::prefix$file", map { "$_ = $credentials->{$_}\n" } qw(username domain password));
chmod(0640, "$::prefix$file");
}
sub read_credentials_raw {
my ($file) = @_;
my %h = map { /(.*?)\s*=\s*(.*)/ } cat_("$::prefix$file");
\%h;
}
sub read_credentials {
my ($server, $username) = @_;
put_in_hash($server, read_credentials_raw(to_credentials($server->{name}, $username)));
}
1;
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