drakx - Mageia Installer and base platform for many utilities

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author	Thierry Vignaud <tvignaud@mandriva.org>	2003-07-17 16:50:31 +0000
committer	Thierry Vignaud <tvignaud@mandriva.org>	2003-07-17 16:50:31 +0000
commit	187adf95efa342c5b70306087fa039fc13338010 (patch)
tree	e00632c3d8f7b64ab6defdfaba74c0d8e1008708 /perl-install/printer
parent	a7efa834619943e29fb8b0c80315eda40f1a853e (diff)
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intercept buggy callees/users of bool type that wrongly pass label

instead of text

Diffstat (limited to 'perl-install/printer')

0 files changed, 0 insertions, 0 deletions

package run_program; # $Id$ use diagnostics; use strict; use c; use MDK::Common; use log; 1; sub run_or_die { my ($name, @args) = @_; run($name, @args) or die "$name failed\n"; } sub rooted_or_die { my ($root, $name, @args) = @_; rooted($root, $name, @args) or die "$name failed\n"; } sub get_stdout { my ($name, @args) = @_; my @r; run($name, '>', \@r, @args) or return; wantarray() ? @r : join('', @r); } sub rooted_get_stdout { my ($root, $name, @args) = @_; my @r; rooted($root, $name, '>', \@r, @args) or return; wantarray() ? @r : join('', @r); } sub run { raw({}, @_) } sub rooted { my ($root, $name, @args) = @_; raw({ root => $root }, $name, @args); } sub raw { my ($options, $name, @args) = @_; my $root = $options->{root} || ''; my $real_name = ref($name) ? $name->[0] : $name; my ($stdout_raw, $stdout_mode, $stderr_raw, $stderr_mode); ($stdout_mode, $stdout_raw, @args) = @args if $args[0] =~ /^>>?$/; ($stderr_mode, $stderr_raw, @args) = @args if $args[0] =~ /^2>>?$/; my $args = $options->{sensitive_arguments} ? '<hidden arguments>' : join(' ', @args); log::explanations("running: $real_name $args" . ($root ? " with root $root" : "")); return if $root && $<; $root ? ($root .= '/') : ($root = ''); $ENV{HOME} || $::isInstall or $ENV{HOME} = '/root'; my $tmpdir = sub { my $dir = "$ENV{HOME}/tmp"; -d $dir or mkdir($dir, 0700); $dir; }; my $stdout = $stdout_raw && (ref($stdout_raw) ? $tmpdir->() . "/.drakx-stdout.$$" : "$root$stdout_raw"); my $stderr = $stderr_raw && (ref($stderr_raw) ? $tmpdir->() . "/.drakx-stderr.$$" : "$root$stderr_raw"); if (my $pid = fork()) { if ($options->{detach}) { $pid; } else { my $ok; eval { local $SIG{ALRM} = sub { die "ALARM" }; alarm($options->{timeout} || 10 * 60); waitpid $pid, 0; $ok = $? == 0; alarm 0; }; if ($@) { log::l("ERROR: killing runaway process (process=$real_name, pid=$pid, args=@args, error=$@)"); kill 9, $pid; return; } if ($stdout_raw && ref($stdout_raw)) { if (ref($stdout_raw) eq 'ARRAY') { @$stdout_raw = cat_($stdout); } else { $$stdout_raw = cat_($stdout); } unlink $stdout; } if ($stderr_raw && ref($stderr_raw)) { if (ref($stderr_raw) eq 'ARRAY') { @$stderr_raw = cat_($stderr); } else { $$stderr_raw = cat_($stderr); } unlink $stderr; } $ok; } } else { sub die_exit { log::l($_[0]); c::_exit(128); } if ($stderr && $stderr eq 'STDERR') { } elsif ($stderr) { $stderr_mode =~ s/2//; open STDERR, "$stderr_mode $stderr" or die_exit("run_program can not output in $stderr (mode `$stderr_mode')"); } elsif ($::isInstall) { open STDERR, ">> /tmp/ddebug.log" or open STDOUT, ">> /dev/tty7" or die_exit("run_program can not log, give me access to /tmp/ddebug.log"); } if ($stdout && $stdout eq 'STDOUT') { } elsif ($stdout) { open STDOUT, "$stdout_mode $stdout" or die_exit("run_program can not output in $stdout (mode `$stdout_mode')"); } elsif ($::isInstall) { open STDOUT, ">> /tmp/ddebug.log" or open STDOUT, ">> /dev/tty7" or die_exit("run_program can not log, give me access to /tmp/ddebug.log"); } $root and chroot $root; chdir "/"; my $ok = ref $name ? do { exec { $name->[0] } $name->[1], @args; } : do { exec $name, @args; }; if (!$ok) { die_exit("exec of $real_name failed: $!"); } } } # run in background a sub that give back data through STDOUT a la run_program::get_stdout but w/ arbitrary perl code instead of external program package bg_command; sub new { my ($class, $sub) = @_; my $o = bless {}, $class; if ($o->{pid} = open(my $fd, "-|")) { $o->{fd} = $fd; $o; } else { $sub->(); c::_exit(0); } } sub DESTROY { my ($o) = @_; close $o->{fd} or warn "kid exited $?"; waitpid $o->{pid}, 0; } 1;


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