diff options
Diffstat (limited to 'perl-install/fs/remote')
-rw-r--r-- | perl-install/fs/remote/davfs.pm | 99 | ||||
-rw-r--r-- | perl-install/fs/remote/nfs.pm | 74 | ||||
-rw-r--r-- | perl-install/fs/remote/smb.pm | 218 |
3 files changed, 391 insertions, 0 deletions
diff --git a/perl-install/fs/remote/davfs.pm b/perl-install/fs/remote/davfs.pm new file mode 100644 index 000000000..890530cb9 --- /dev/null +++ b/perl-install/fs/remote/davfs.pm @@ -0,0 +1,99 @@ +package fs::remote::davfs; + +use strict; +use diagnostics; + +use common; +use fs::mount_options; + +sub secrets_file() { "$::prefix/etc/davfs2/secrets" } + +sub fstab_entry_to_credentials { + my ($part) = @_; + + my ($options, $unknown) = fs::mount_options::unpack($part); + my %h = map { $_ => delete $options->{"$_="} } qw(username password); + foreach (qw(username password)) { + $h{$_} ||= 'nobody'; + } + $h{mntpoint} = $part->{mntpoint} or return; + fs::mount_options::pack_($part, $options, $unknown), \%h; +} + +sub save_credentials { + my ($credentials) = @_; + @$credentials or return; + + output_with_perm(secrets_file(), 0600, + map { to_double_quoted($_->{mntpoint}, $_->{username}, $_->{password}) . "\n" } @$credentials); +} + +sub mountpoint_credentials_save { + my ($mntpoint, $mount_opt) = @_; + my @entries = read_credentials_raw(); + my $entry = find { $mntpoint eq $_->{mntpoint} } @entries; + die "mountpoint not found" if !$entry; + my %h; + foreach (@$mount_opt) { + my @var = split(/=/); + $h{$var[0]} = $var[1]; + } + foreach my $key (qw(username password)) { + $entry->{$key} = $h{$key}; + } + save_credentials(\@entries); +} + + +sub read_credentials_raw() { + from_double_quoted(cat_(secrets_file())); +} + +sub read_credentials { + my ($mntpoint) = @_; + find { $mntpoint eq $_->{mntpoint} } read_credentials_raw(); +} + +# Comments are indicated by a '#' character and the rest of the line +# is ignored. Empty lines are ignored too. +# +# Each line consists of two or three items separated by spaces or tabs. +# If an item contains one of the characters space, tab, #, \ or ", this +# character must be escaped by a preceding \. Alternatively, the item +# may be enclosed in double quotes. + +sub from_double_quoted { + my ($file) = @_; + my @l; + my @lines = split("\n",$file); + foreach (@lines) { + my ($mnt, $user, $pass, $comment); + if (/^\s*(#.*)?$/) { + $comment = $1; + } else { + if (/^(?:"((?:\\.|[^"])*)"|((?:\\.|[^"\s#])+))\s+(?:"((?:\\.|[^"])*)"|((?:\\.|[^"\s#])+))(?:\s+(?:"((?:\\.|[^"])*)"|((?:\\.|[^"\s#])+)))?(?:\s*|\s*(#.*))?$/) { + $mnt = "$1$2"; + $mnt =~ s/\\(.)/$1/g; + $user = "$3$4"; + $user =~ s/\\(.)/$1/g; + $pass = "$5$6"; + $pass =~ s/\\(.)/$1/g; + $comment=$7; + } else { + die "bad entry $_"; + } + } + push @l, { 'mntpoint' => $mnt, 'username' => $user, 'password' => $pass, 'comment' => $comment }; + } + @l; +} + +sub to_double_quoted { + my (@l) = @_; + join(' ', map { + s/(["\\])/\\$1/g; + /\s/ ? qq("$_") : $_; + } @l); +} + +1; diff --git a/perl-install/fs/remote/nfs.pm b/perl-install/fs/remote/nfs.pm new file mode 100644 index 000000000..f7a98cb69 --- /dev/null +++ b/perl-install/fs/remote/nfs.pm @@ -0,0 +1,74 @@ +package fs::remote::nfs; + +use strict; +use diagnostics; + +use common; +use fs::remote; +use network::tools; +use log; + +our @ISA = 'fs::remote'; + +sub to_fstab_entry { + my ($class, $e) = @_; + $class->to_fstab_entry_raw($e, 'nfs'); +} +sub comment_to_string { + my ($_class, $comment) = @_; + member($comment, qw(* 0.0.0.0/0.0.0.0 (everyone))) ? '' : $comment; +} +sub from_dev { + my ($_class, $dev) = @_; + $dev =~ m|(.*?):(.*)|; +} +sub to_dev_raw { + my ($_class, $server, $name) = @_; + $server . ':' . $name; +} + +sub check { + my ($_class, $in) = @_; + $in->do_pkgs->ensure_files_are_installed([ [ qw(nfs-utils showmount) ] , [ qw(nmap nmap) ] ]); + require services; + 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 { + 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 $FH; + values %servers; +} + +sub find_exports { + my ($_class, $server) = @_; + + my @l; + run_program::raw({ timeout => 1 }, "showmount", '>', \@l, "--no-headers", "-e", $server->{ip} || $server->{name}); + + map { if_(/(\S+(\s*\S+)*)\s+(\S+)/, { name => $1, comment => $3, server => $server }) } @l; +} + +1; diff --git a/perl-install/fs/remote/smb.pm b/perl-install/fs/remote/smb.pm new file mode 100644 index 000000000..d440fc174 --- /dev/null +++ b/perl-install/fs/remote/smb.pm @@ -0,0 +1,218 @@ +package fs::remote::smb; + +use strict; +use diagnostics; + +use common; +use fs::mount_options; +use fs::remote; + + +our @ISA = 'fs::remote'; + +sub to_fstab_entry { + my ($class, $e) = @_; + my $part = $class->to_fstab_entry_raw($e, 'cifs'); + 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) = @_; + $in->do_pkgs->ensure_binary_is_installed('samba-client', 'nmblookup'); +} + +sub smbclient { + my ($server) = @_; + my $name = $server->{name} || $server->{ip}; + my $ip = $server->{ip} ? "-I $server->{ip}" : ''; + my $group = $server->{group} ? qq( -W "$server->{group}") : ''; + + my $U = $server->{username} ? sprintf("%s/%s%%%s", @$server{'domain', 'username', 'password'}) : '%'; + my %h; + foreach (`smbclient -g -U "$U" -L "$name" $ip$group 2>/dev/null`) { + if (my ($type, $v1, $v2) = /(.*)\|(.*)\|(.*)/) { + push @{$h{$type}}, [ $v1, $v2 ]; + } elsif (/^Error returning browse list/) { + push @{$h{Error}}, $_; + } + } + \%h; +} + +sub find_servers { + my (undef, @l) = `nmblookup "*"; nmblookup -M -- -`; + s/\s.*\n// foreach @l; + require network::network; + my @servers = grep { network::network::is_ip($_) } @l; + return unless @servers; + 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; + my $workgroups = smbclient($browse)->{Workgroup} || []; + foreach (@$workgroups) { + my ($group, $name) = map { lc($_) } @$_; + + # already done + next if any { $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; + + my $browse = smbclient($server); + if (my $err = find { /NT_STATUS_/ } @{$browse->{Error} || []}) { + die $err; + } + foreach (@{$browse->{Disk} || []}) { + my ($name, $comment) = @$_; + push @l, { name => $name, type => 'Disk', comment => $comment, server => $server } + if $name !~ /\$$/ && $name !~ /netlogon|NETLOGON|SYSVOL/; + } + @l; +} + +sub authentications_available { + my ($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 ($server_name) = fs::remote::smb->from_dev($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 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 = $credentials->{file}; + output_with_perm("$::prefix$file", 0640, map { "$_=$credentials->{$_}\n" } qw(username password)); +} + + +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}, $username))); +} + + +sub write_smb_conf { + my ($domain) = @_; + + #- was going to just have a canned config in samba-winbind + #- and replace the domain, but sylvestre/buchan did not bless it yet + + my $f = "$::prefix/etc/samba/smb.conf"; + rename $f, "$f.orig"; + output($f, " +[global] + workgroup = $domain + server string = Samba Server %v + security = domain + encrypt passwords = Yes + password server = * + log file = /var/log/samba/log.%m + max log size = 50 + socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 + unix charset = ISO8859-15 + os level = 18 + local master = No + dns proxy = No + idmap uid = 10000-20000 + idmap gid = 10000-20000 + winbind separator = + + template homedir = /home/%D/%U + template shell = /bin/bash + winbind use default domain = yes +"); +} + +sub write_smb_ads_conf { + my ($domain, $realm) = @_; + + #- was going to just have a canned config in samba-winbind + #- and replace the domain, but sylvestre/buchan did not bless it yet + + my $f = "$::prefix/etc/samba/smb.conf"; + rename $f, "$f.orig"; + output($f, " +[global] + workgroup = $domain + realm = $realm + server string = Samba Member %v + security = ads + encrypt passwords = Yes + password server = * + log file = /var/log/samba/log.%m + max log size = 50 + socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 + os level = 18 + local master = No + dns proxy = No + winbind uid = 10000-20000 + winbind gid = 10000-20000 + winbind separator = + + template homedir = /home/%D/%U + template shell = /bin/bash + winbind use default domain = yes +"); +} +1; |