package common; # $Id$ use MDK::Common; use MDK::Common::System; use diagnostics; use strict; use run_program; use vars qw(@ISA @EXPORT $SECTORSIZE); @ISA = qw(Exporter); # no need to export ``_'' @EXPORT = qw($SECTORSIZE N N_ check_for_xserver files_exist formatTime formatXiB is_xbox makedev mandrake_release removeXiBSuffix require_root_capability salt setVirtual set_alternative set_permissions translate unmakedev untranslate); # perl_checker: RE-EXPORT-ALL push @EXPORT, @MDK::Common::EXPORT; $::prefix ||= ""; # no warning #-##################################################################################### #- Globals #-##################################################################################### our $SECTORSIZE = 512; #-##################################################################################### #- Functions #-##################################################################################### sub sprintf_fixutf8 { my $need_upgrade; $need_upgrade |= to_bool(c::is_tagged_utf8($_)) + 1 foreach @_; if ($need_upgrade == 3) { c::upgrade_utf8($_) foreach @_ } sprintf shift, @_; } sub N { $::one_message_has_been_translated ||= join(':', (caller(0))[1,2]); #- see ugtk2.pm my $s = shift @_; my $t = translate($s); sprintf_fixutf8 $t, @_; } sub N_ { $_[0] } sub salt { my ($nb) = @_; require devices; open(my $F, devices::make("random")) or die "missing random"; my $s; read $F, $s, $nb; $s = pack("b8" x $nb, unpack "b6" x $nb, $s); $s =~ tr|\0-\x3f|0-9a-zA-Z./|; $s; } sub makedev { ($_[0] << 8) | $_[1] } sub unmakedev { $_[0] >> 8, $_[0] & 0xff } sub translate_real { my ($s) = @_; $s or return ''; foreach (@::textdomains, 'libDrakX') { my $s2 = c::dgettext($_, $s); return $s2 if $s ne $s2; } $s; } sub translate { my $s = translate_real(@_); $::need_utf8_i18n and c::set_tagged_utf8($s); #- translation with context, kde-like $s =~ s/^_:.*\n//; $s; } sub untranslate { my $s = shift || return; foreach (@_) { translate($_) eq $s and return $_ } die "untranslate failed"; } BEGIN { undef *availableRamMB } sub availableRamMB() { my $s = MDK::Common::System::availableRamMB(); #- HACK HACK: if i810 and memsize require detect_devices; return $s - 1 if $s == 128 && detect_devices::matching_driver__regexp('^Card:Intel 810$'); $s; } sub setVirtual { my ($vt_number) = @_; my $vt = ''; sysopen(my $C, "/dev/console", 2) or die "failed to open /dev/console: $!"; ioctl($C, c::VT_GETSTATE(), $vt) && ioctl($C, c::VT_ACTIVATE(), $vt_number) && ioctl($C, c::VT_WAITACTIVE(), $vt_number) or die "setVirtual failed"; unpack "S", $vt; } sub nonblock { my ($F) = @_; fcntl($F, c::F_SETFL(), fcntl($F, c::F_GETFL(), 0) | c::O_NONBLOCK()); } sub removeXiBSuffix { local $_ = shift; /(\d+)\s*kB?$/i and return $1 * 1024; /(\d+)\s*MB?$/i and return $1 * 1024 * 1024; /(\d+)\s*GB?$/i and return $1 * 1024 * 1024 * 1024; /(\d+)\s*TB?$/i and return $1 * 1024 * 1024 * 1024 * 1024; $_; } sub formatXiB { my ($newnb, $o_newbase) = @_; my $newbase = $o_newbase || 1; my ($nb, $base); my $decr = sub { ($nb, $base) = ($newnb, $newbase); $base >= 1024 ? ($newbase = $base / 1024) : ($newnb = $nb / 1024); }; foreach ('', N("KB"), N("MB"), N("GB")) { $decr->(); if ($newnb < 1 && $newnb * $newbase < 1) { my $v = $nb * $base; my $s = $v < 10 && int(10 * $v - 10 * int($v)); return int($v) . ($s ? ".$s" : '') . $_; } } int($newnb * $newbase) . N("TB"); } sub formatTime { my ($s, $m, $h) = gmtime($_[0]); if ($h) { sprintf "%02d:%02d", $h, $m; } elsif ($m > 1) { N("%d minutes", $m); } elsif ($m == 1) { N("1 minute"); } else { N("%d seconds", $s); } } sub expand_symlinks_but_simple { my ($f) = @_; my $link = readlink($f); my $f2 = expand_symlinks($f); if ($link && $link !~ m|/|) { # put back the last simple symlink $f2 =~ s|\Q$link\E$|basename($f)|e; } $f2; } sub sync { &MDK::Common::System::sync } BEGIN { undef *formatError } sub formatError { my ($err) = @_; ref($err) eq 'SCALAR' and $err = $$err; log::l("error: $err"); &MDK::Common::String::formatError($err); } # Group the list by n. Returns a reference of lists of length n sub group_n_lm { my $n = shift; my @l; push @l, [ splice(@_, 0, $n) ] while @_; @l; } sub join_lines { my @l; my $s; foreach (@_) { if (/^\s/) { $s .= $_; } else { push @l, $s if $s; $s = $_; } } @l, if_($s, $s); } sub set_alternative { my ($command, $executable) = @_; #- check the existance of $executable as an alternative for $command #- (is this needed???) run_program::rooted_get_stdout($::prefix, 'update-alternatives', '--display', $command) =~ /^\Q$executable /m or return; #- this does not handle relative symlink, but neither does update-alternatives ;p symlinkf $executable, "$::prefix/etc/alternatives/$command"; } sub files_exist { and_(map { -f "$::prefix$_" } @_) } sub secured_file { my ($f) = @_; c::is_secure_file($f) or die "can not ensure a safe $f"; $f; } sub set_permissions { my ($file, $perms, $o_owner, $o_group) = @_; # We only need to set the permissions during installation to be able to # print test pages. After installation the devfsd daemon does the business # automatically. return 1 unless $::isInstall; if ($o_owner && $o_group) { run_program::rooted($::prefix, "/bin/chown", "$o_owner.$o_group", $file) or die "Could not start chown!"; } elsif ($o_owner) { run_program::rooted($::prefix, "/bin/chown", $o_owner, $file) or die "Could not start chown!"; } elsif ($o_group) { run_program::rooted($::prefix, "/bin/chgrp", $o_group, $file) or die "Could not start chgrp!"; } run_program::rooted($::prefix, "/bin/chmod", $perms, $file) or die "Could not start chmod!"; } sub mandrake_release() { chomp_(cat_("/etc/mandrakelinux-release")); } sub require_root_capability() { return if $::testing || !$>; # we're already root if (check_for_xserver()) { if (fuzzy_pidofs(qr/\bkwin\b/) > 0) { exec("kdesu", "--ignorebutton", "-c", "$0 @ARGV") or die N("kdesu missing"); } } exec { 'consolehelper' } $0, @ARGV or die N("consolehelper missing"); # still not root ? die "you must be root to run this program" if $>; } sub check_for_xserver() { if (!defined $::xtest) { $::xtest = 0; eval { require xf86misc::main; $::xtest = xf86misc::main::Xtest($ENV{DISPLAY}); } if $ENV{DISPLAY}; } return $::xtest; } sub is_xbox() { return any { $_->{vendor} . $_->{id} == hex('10de') . hex('02a5') } detect_devices::pci_probe(); } #- special unpack #- - returning an array refs for each element like "s10" #- - handling things like s10* at the end of the format sub unpack_with_refs { my ($format, $s) = @_; my $initial_format = $format; my @r; while ($format =~ s/\s*(\w(\d*))(\*?)\s*//) { my ($sub_format, $nb, $many) = ($1, $2, $3); $many && $format and internal_error("bad * in the middle of format in $initial_format"); my $done = $many && !length($s); while (!$done) { my @l = unpack("$sub_format a*", $s); $s = pop @l; push @r, $nb ? \@l : @l; $done = !$many || !length($s); } } @r; } 1;