DAB.pm

   1 package PVE::DAB;
   2
   3 use strict;
   4 use warnings;
   5 use IO::File;
   6 use File::Path;
   7 use File::Basename;
   8 use IO::Select;
   9 use IPC::Open2;
  10 use IPC::Open3;
  11 use POSIX qw (LONG_MAX);
  12 use UUID;
  13 use Cwd;
  14
  15 # fixme: lock container ?
  16
  17 my $dablibdir = "/usr/lib/dab";
  18 my $devicetar = "$dablibdir/devices.tar.gz";
  19 my $default_env = "$dablibdir/scripts/defenv";
  20 my $fake_init = "$dablibdir/scripts/init.pl";
  21 my $script_ssh_init = "$dablibdir/scripts/ssh_gen_host_keys";
  22 my $script_mysql_randompw = "$dablibdir/scripts/mysql_randompw";
  23 my $script_init_urandom = "$dablibdir/scripts/init_urandom";
  24
  25 my $postfix_main_cf = <<EOD;
  26 # See /usr/share/postfix/main.cf.dist for a commented, more complete version
  27
  28 smtpd_banner = \$myhostname ESMTP \$mail_name (Debian/GNU)
  29 biff = no
  30
  31 # appending .domain is the MUA's job.
  32 append_dot_mydomain = no
  33
  34 # Uncomment the next line to generate "delayed mail" warnings
  35 #delay_warning_time = 4h
  36
  37 alias_maps = hash:/etc/aliases
  38 alias_database = hash:/etc/aliases
  39 mydestination = \$myhostname, localhost.\$mydomain, localhost
  40 relayhost =
  41 mynetworks = 127.0.0.0/8
  42 inet_interfaces = loopback-only
  43 recipient_delimiter = +
  44
  45 compatibility_level = 2
  46
  47 EOD
  48
  49 # produce apt compatible filenames (/var/lib/apt/lists)
  50 sub __url_to_filename {
  51     my $url = shift;
  52
  53     $url =~ s|^\S+://||;
  54     $url =~ s|_|%5f|g;
  55     $url =~ s|/|_|g;
  56
  57     return $url;
  58 }
  59
  60 # defaults:
  61 #  origin: debian
  62 my $supported_suites = {
  63     'bullseye' => {
  64         ostype => "debian-11.0",
  65     },
  66     'buster' => {
  67         ostype => "debian-10.0",
  68     },
  69     'stretch' => {
  70         ostype => "debian-9.0",
  71     },
  72     'jessie' => {
  73         ostype => "debian-8.0",
  74     },
  75     'wheezy' => {
  76         ostype => "debian-7.0",
  77     },
  78     'squeeze' => {
  79         ostype => "debian-6.0",
  80     },
  81     'lenny' => {
  82         ostype => "debian-5.0",
  83     },
  84     'etch' => {
  85         ostype => "debian-4.0",
  86     },
  87
  88 # DEVUAN
  89     'devuan-jessie' => {
  90         suite => 'jessie',
  91         ostype => "devuan-1.0",
  92     },
  93     'devuan-ascii' => {
  94         suite => 'ascii',
  95         ostype => "devuan-2.0",
  96     },
  97     'ascii' => {
  98         ostype => "devuan-2.0",
  99     },
 100
 101 # UBUNTU
 102     'hardy' => {
 103         ostype => "ubuntu-8.04",
 104         origin => 'ubuntu',
 105     },
 106     'intrepid' => {
 107         ostype => "ubuntu-8.10",
 108         origin => 'ubuntu',
 109     },
 110     'jaunty' => {
 111         ostype => "ubuntu-9.04",
 112         origin => 'ubuntu',
 113     },
 114     'precise' => {
 115         ostype => "ubuntu-12.04",
 116         origin => 'ubuntu',
 117     },
 118     'trusty' => {
 119         ostype => "ubuntu-14.04",
 120         origin => 'ubuntu',
 121     },
 122     'vivid' => {
 123         ostype => "ubuntu-15.04",
 124         origin => 'ubuntu',
 125     },
 126     'wily' => {
 127         ostype => "ubuntu-15.10",
 128         origin => 'ubuntu',
 129     },
 130     'xenial' => {
 131         ostype => "ubuntu-16.04",
 132         origin => 'ubuntu',
 133     },
 134     'yakkety' => {
 135         ostype => "ubuntu-16.10",
 136         origin => 'ubuntu',
 137     },
 138     'zesty' => {
 139         ostype => "ubuntu-17.04",
 140         origin => 'ubuntu',
 141     },
 142     'artful' => {
 143         ostype => "ubuntu-17.10",
 144         origin => 'ubuntu',
 145     },
 146     'bionic' => {
 147         ostype => "ubuntu-18.04",
 148         origin => 'ubuntu',
 149     },
 150     'cosmic' => {
 151         ostype => "ubuntu-18.10",
 152         origin => 'ubuntu',
 153     },
 154     'disco' => {
 155         ostype => "ubuntu-19.04",
 156         origin => 'ubuntu',
 157     },
 158     'eoan' => {
 159         ostype => "ubuntu-19.10",
 160         origin => 'ubuntu',
 161     },
 162     'focal' => {
 163         ostype => "ubuntu-20.04",
 164         origin => 'ubuntu',
 165     },
 166 };
 167
 168 sub get_suite_info {
 169     my ($suite) = @_;
 170
 171     my $suiteinfo = $supported_suites->{$suite} || die "unsupported suite '$suite'!\n";
 172
 173     # set defaults
 174     $suiteinfo->{origin} //= 'debian';
 175     $suiteinfo->{suite} //= $suite;
 176
 177     return $suiteinfo;
 178 }
 179
 180 sub download {
 181     my ($self, $url, $path) = @_;
 182
 183     $self->logmsg ("download: $url\n");
 184     my $tmpfn = "$path.tmp$$";
 185     eval {
 186         $self->run_command ("wget -q '$url'  -O '$tmpfn'");
 187     };
 188
 189     my $err = $@;
 190     if ($err) {
 191         unlink $tmpfn;
 192         die $err;
 193     }
 194
 195     rename ($tmpfn, $path);
 196 }
 197
 198 sub write_file {
 199     my ($data, $file, $perm) = @_;
 200
 201     die "no filename" if !$file;
 202
 203     unlink $file;
 204
 205     my $fh = IO::File->new ($file, O_WRONLY | O_CREAT, $perm) ||
 206         die "unable to open file '$file'";
 207
 208     print $fh $data;
 209
 210     $fh->close;
 211 }
 212
 213 sub read_file {
 214     my ($file) = @_;
 215
 216     die "no filename" if !$file;
 217
 218     my $fh = IO::File->new ($file) ||
 219         die "unable to open file '$file'";
 220
 221     local $/; # slurp mode
 222
 223     my $data = <$fh>;
 224
 225     $fh->close;
 226
 227     return $data;
 228 }
 229
 230 sub read_config {
 231     my ($filename) = @_;
 232
 233     my $res = {};
 234
 235     my $fh = IO::File->new ("<$filename") || return $res;
 236     my $rec = '';
 237
 238     while (defined (my $line = <$fh>)) {
 239         next if $line =~ m/^\#/;
 240         next if $line =~ m/^\s*$/;
 241         $rec .= $line;
 242     };
 243
 244     close ($fh);
 245
 246     chomp $rec;
 247     $rec .= "\n";
 248
 249     while ($rec) {
 250         if ($rec =~ s/^Description:\s*([^\n]*)(\n\s+.*)*$//si) {
 251             $res->{headline} = $1;
 252             chomp $res->{headline};
 253             my $long = $2;
 254             $long =~ s/^\s+/ /;
 255             $res->{description} = $long;
 256             chomp $res->{description};
 257         } elsif ($rec =~ s/^([^:]+):\s*(.*\S)\s*\n//) {
 258             my ($key, $value) = (lc ($1), $2);
 259             if ($key eq 'source' || $key eq 'mirror') {
 260                 push @{$res->{$key}}, $value;
 261             } else {
 262                 die "duplicate key '$key'\n" if defined ($res->{$key});
 263                 $res->{$key} = $value;
 264             }
 265         } else {
 266             die "unable to parse config file: $rec";
 267         }
 268     }
 269
 270     die "unable to parse config file" if $rec;
 271
 272     return $res;
 273 }
 274
 275 sub run_command {
 276     my ($self, $cmd, $input, $getoutput) = @_;
 277
 278     my $reader = IO::File->new();
 279     my $writer = IO::File->new();
 280     my $error  = IO::File->new();
 281
 282     my $orig_pid = $$;
 283
 284     my $cmdstr = ref ($cmd) eq 'ARRAY' ? join (' ', @$cmd) : $cmd;
 285
 286     my $pid;
 287     eval {
 288         if (ref ($cmd) eq 'ARRAY') {
 289             $pid = open3 ($writer, $reader, $error, @$cmd) || die $!;
 290         } else {
 291             $pid = open3 ($writer, $reader, $error, $cmdstr) || die $!;
 292         }
 293     };
 294
 295     my $err = $@;
 296
 297     # catch exec errors
 298     if ($orig_pid != $$) {
 299         $self->logmsg ("ERROR: command '$cmdstr' failed - fork failed\n");
 300         POSIX::_exit (1);
 301         kill ('KILL', $$);
 302     }
 303
 304     die $err if $err;
 305
 306     print $writer $input if defined $input;
 307     close $writer;
 308
 309     my $select = new IO::Select;
 310     $select->add ($reader);
 311     $select->add ($error);
 312
 313     my $res = '';
 314     my $logfd = $self->{logfd};
 315
 316     while ($select->count) {
 317         my @handles = $select->can_read ();
 318
 319         foreach my $h (@handles) {
 320             my $buf = '';
 321             my $count = sysread ($h, $buf, 4096);
 322             if (!defined ($count)) {
 323                 waitpid ($pid, 0);
 324                 die "command '$cmdstr' failed: $!";
 325             }
 326             $select->remove ($h) if !$count;
 327
 328             print $logfd $buf;
 329
 330             $res .= $buf if $getoutput;
 331         }
 332     }
 333
 334     waitpid ($pid, 0);
 335     my $ec = ($? >> 8);
 336
 337     die "command '$cmdstr' failed with exit code $ec\n" if $ec;
 338
 339     return $res;
 340 }
 341
 342 sub logmsg {
 343     my $self = shift;
 344     print STDERR @_;
 345     $self->writelog (@_);
 346 }
 347
 348 sub writelog {
 349     my $self = shift;
 350     my $fd = $self->{logfd};
 351     print $fd @_;
 352 }
 353
 354 sub __sample_config {
 355     my ($self) = @_;
 356
 357     my $data = '';
 358     my $arch = $self->{config}->{architecture};
 359
 360     my $ostype = $self->{config}->{ostype};
 361
 362     if ($ostype =~ m/^de(bi|vu)an-/) {
 363         $data .= "lxc.include = /usr/share/lxc/config/debian.common.conf\n";
 364     } elsif ($ostype =~ m/^ubuntu-/) {
 365         $data .= "lxc.include = /usr/share/lxc/config/ubuntu.common.conf\n";
 366     } else {
 367         die "unknown os type '$ostype'\n";
 368     }
 369     $data .= "lxc.uts.name = localhost\n";
 370     $data .= "lxc.rootfs.path = $self->{rootfs}\n";
 371
 372     return $data;
 373 }
 374
 375 sub __allocate_ve {
 376     my ($self) = @_;
 377
 378     my $cid;
 379     if (my $fd = IO::File->new (".veid")) {
 380         $cid = <$fd>;
 381         chomp $cid;
 382         close ($fd);
 383     }
 384
 385
 386     $self->{working_dir} = getcwd;
 387     $self->{veconffile} = "$self->{working_dir}/config";
 388     $self->{rootfs} = "$self->{working_dir}/rootfs";
 389
 390     if ($cid) {
 391         $self->{veid} = $cid;
 392         return $cid;
 393     }
 394
 395     my $uuid;
 396     my $uuid_str;
 397     UUID::generate($uuid);
 398     UUID::unparse($uuid, $uuid_str);
 399     $self->{veid} = $uuid_str;
 400
 401     my $fd = IO::File->new (">.veid") ||
 402         die "unable to write '.veid'\n";
 403     print $fd "$self->{veid}\n";
 404     close ($fd);
 405
 406     my $cdata = $self->__sample_config();
 407
 408     my $fh = IO::File->new ($self->{veconffile}, O_WRONLY|O_CREAT|O_EXCL) ||
 409         die "unable to write lxc config file '$self->{veconffile}' - $!";
 410     print $fh $cdata;
 411     close ($fh);
 412
 413     mkdir $self->{rootfs} || die "unable to create rootfs - $!";
 414
 415     $self->logmsg ("allocated VE $self->{veid}\n");
 416
 417     return $self->{veid};
 418 }
 419
 420 sub new {
 421     my ($class, $config) = @_;
 422
 423     $class = ref ($class) || $class;
 424
 425     my $self = {};
 426
 427     $config = read_config ('dab.conf') if !$config;
 428
 429     $self->{config} = $config;
 430
 431     bless $self, $class;
 432
 433     $self->{logfile} = "logfile";
 434     $self->{logfd} = IO::File->new (">>$self->{logfile}") ||
 435         die "unable to open log file";
 436
 437     my $arch = $config->{architecture};
 438     die "no 'architecture' specified\n" if !$arch;
 439
 440     die "unsupported architecture '$arch'\n"
 441         if $arch !~ m/^(i386|amd64)$/;
 442
 443     my $suite = $config->{suite} || die "no 'suite' specified\n";
 444
 445     my $suiteinfo = get_suite_info($suite);
 446     $suite = $suiteinfo->{suite};
 447     $config->{ostype} = $suiteinfo->{ostype};
 448
 449     my $name = $config->{name} || die "no 'name' specified\n";
 450
 451     $name =~ m/^[a-z][0-9a-z\-\*\.]+$/ ||
 452         die "illegal characters in name '$name'\n";
 453
 454     my $version = $config->{version};
 455     die "no 'version' specified\n" if !$version;
 456     die "no 'section' specified\n" if !$config->{section};
 457     die "no 'description' specified\n" if !$config->{headline};
 458     die "no 'maintainer' specified\n" if !$config->{maintainer};
 459
 460     if ($name =~ m/^$config->{ostype}/) {
 461         $self->{targetname} = "${name}_${version}_$config->{architecture}";
 462     } else {
 463         $self->{targetname} = "$config->{ostype}-${name}_" .
 464             "${version}_$config->{architecture}";
 465     }
 466
 467     if (!$config->{source}) {
 468         if (lc($suiteinfo->{origin}) eq 'debian') {
 469             if ($suite eq 'etch' || $suite eq 'lenny') {
 470                 push @{$config->{source}}, (
 471                     'http://ftp.debian.org/debian SUITE main contrib',
 472                     'http://security.debian.org SUITE/updates main contrib',
 473                 );
 474             } else {
 475                 push @{$config->{source}}, (
 476                     "http://ftp.debian.org/debian SUITE main contrib",
 477                     "http://ftp.debian.org/debian SUITE-updates main contrib",
 478                     "http://security.debian.org SUITE/updates main contrib",
 479                 );
 480             }
 481         } elsif (lc($suiteinfo->{origin}) eq 'ubuntu') {
 482             my $comp = "main restricted universe multiverse";
 483             push @{$config->{source}}, (
 484                 "http://archive.ubuntu.com/ubuntu SUITE $comp",
 485                 "http://archive.ubuntu.com/ubuntu SUITE-updates $comp",
 486                 "http://archive.ubuntu.com/ubuntu SUITE-security $comp",
 487             );
 488         } else {
 489             die "implement me";
 490         }
 491     }
 492
 493     my $sources = undef;
 494
 495     foreach my $s (@{$config->{source}}) {
 496         if ($s =~ m@^\s*((http|ftp)://\S+)\s+(\S+)((\s+(\S+))+)$@) {
 497             my ($url, $su, $components) = ($1, $3, $4);
 498             $su =~ s/SUITE/$suite/;
 499             $components =~ s/^\s+//;
 500             $components =~ s/\s+$//;
 501             my $ca;
 502             foreach my $co (split (/\s+/, $components)) {
 503                 push @$ca, $co;
 504             }
 505             $ca = ['main'] if !$ca;
 506
 507             push @$sources, {
 508                 source => $url,
 509                 comp => $ca,
 510                 suite => $su,
 511             };
 512         } else {
 513             die "syntax error in source spezification '$s'\n";
 514         }
 515     }
 516
 517     foreach my $m (@{$config->{mirror}}) {
 518         if ($m =~ m@^\s*((http|ftp)://\S+)\s*=>\s*((http|ftp)://\S+)\s*$@) {
 519             my ($ms, $md) = ($1, $3);
 520             my $found;
 521             foreach my $ss (@$sources) {
 522                 if ($ss->{source} eq $ms) {
 523                     $found = 1;
 524                     $ss->{mirror} = $md;
 525                     last;
 526                 }
 527             }
 528             die "unusable mirror $ms\n" if !$found;
 529         } else {
 530             die "syntax error in mirror spezification '$m'\n";
 531         }
 532     }
 533
 534     $self->{sources} = $sources;
 535
 536     $self->{infodir} = "info";
 537
 538     $self->__allocate_ve ();
 539
 540     $self->{cachedir} = ($config->{cachedir} || 'cache')  . "/$suite";;
 541
 542     my $incl = [qw (less ssh openssh-server logrotate)];
 543
 544     my $excl = [qw (modutils reiserfsprogs ppp pppconfig pppoe
 545                     pppoeconf nfs-common mtools ntp)];
 546
 547     # ubuntu has too many dependencies on udev, so
 548     # we cannot exclude it (instead we disable udevd)
 549
 550     if ($suite eq 'vivid' || $suite eq 'wily' || $suite eq 'xenial' ||
 551         $suite eq 'yakkety' || $suite eq 'zesty' || $suite eq 'artful' ||
 552         $suite eq 'bionic' || $suite eq 'cosmic' || $suite eq 'disco' ||
 553         $suite eq 'eoan' || $suite eq 'focal') {
 554         push @$incl, 'isc-dhcp-client';
 555         push @$excl, qw(libmodule-build-perl);
 556     } elsif ($suite eq 'trusty') {
 557         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+);
 558    } elsif ($suite eq 'precise') {
 559         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+ ubuntu-standard);
 560     } elsif ($suite eq 'hardy') {
 561         push @$excl, qw(kbd);
 562         push @$excl, qw(apparmor apparmor-utils ntfs-3g
 563                         friendly-recovery);
 564     } elsif ($suite eq 'intrepid' || $suite eq 'jaunty') {
 565         push @$excl, qw(apparmor apparmor-utils libapparmor1 libapparmor-perl
 566                         libntfs-3g28 ntfs-3g friendly-recovery);
 567     } elsif ($suite eq 'jessie') {
 568         push @$incl, 'sysvinit-core'; # avoid systemd and udev
 569         push @$incl, 'libperl4-corelibs-perl'; # to make lsof happy
 570         push @$excl, qw(systemd systemd-sysv udev module-init-tools pciutils hdparm
 571                         memtest86+ parted);
 572     } elsif ($suite eq 'stretch' || $suite eq 'buster' || $suite eq 'bullseye') {
 573         push @$excl, qw(module-init-tools pciutils hdparm
 574                         memtest86+ parted);
 575      } else {
 576         push @$excl, qw(udev module-init-tools pciutils hdparm
 577                         memtest86+ parted);
 578     }
 579
 580     $self->{incl} = $incl;
 581     $self->{excl} = $excl;
 582
 583     return $self;
 584 }
 585
 586 sub initialize {
 587     my ($self) = @_;
 588
 589     my $infodir = $self->{infodir};
 590     my $arch = $self->{config}->{architecture};
 591
 592     rmtree $infodir;
 593     mkpath $infodir;
 594
 595     # truncate log
 596     my $logfd = $self->{logfd} = IO::File->new (">$self->{logfile}") ||
 597         die "unable to open log file";
 598
 599     foreach my $ss (@{$self->{sources}}) {
 600         my $src = $ss->{mirror} || $ss->{source};
 601         my $path = "dists/$ss->{suite}/Release";
 602         my $url = "$src/$path";
 603         my $target = __url_to_filename ("$ss->{source}/$path");
 604         eval {
 605             $self->download ($url, "$infodir/$target");
 606             $self->download ("$url.gpg", "$infodir/$target.gpg");
 607             # fixme: impl. verify (needs --keyring option)
 608         };
 609         if (my $err = $@) {
 610             print $logfd $@;
 611             warn "Release info ignored\n";
 612         };
 613         foreach my $comp (@{$ss->{comp}}) {
 614             $path = "dists/$ss->{suite}/$comp/binary-$arch/Packages.gz";
 615             $target = "$infodir/" . __url_to_filename ("$ss->{source}/$path");
 616             my $pkgsrc = "$src/$path";
 617             $self->download ($pkgsrc, $target);
 618             $self->run_command ("gzip -d '$target'");
 619         }
 620     }
 621 }
 622
 623 sub write_config {
 624     my ($self, $filename, $size) = @_;
 625
 626     my $config = $self->{config};
 627
 628     my $data = '';
 629
 630     $data .= "Name: $config->{name}\n";
 631     $data .= "Version: $config->{version}\n";
 632     $data .= "Type: lxc\n";
 633     $data .= "OS: $config->{ostype}\n";
 634     $data .= "Section: $config->{section}\n";
 635     $data .= "Maintainer: $config->{maintainer}\n";
 636     $data .= "Architecture: $config->{architecture}\n";
 637     $data .= "Installed-Size: $size\n";
 638
 639     # optional
 640     $data .= "Infopage: $config->{infopage}\n" if $config->{infopage};
 641     $data .= "ManageUrl: $config->{manageurl}\n" if $config->{manageurl};
 642     $data .= "Certified: $config->{certified}\n" if $config->{certified};
 643
 644     # description
 645     $data .= "Description: $config->{headline}\n";
 646     $data .= "$config->{description}\n" if $config->{description};
 647
 648     write_file ($data, $filename, 0644);
 649 }
 650
 651 sub finalize {
 652     my ($self, $opts) = @_;
 653
 654     my $suite = $self->{config}->{suite};
 655     my $infodir = $self->{infodir};
 656     my $arch = $self->{config}->{architecture};
 657
 658     my $instpkgs = $self->read_installed ();
 659     my $pkginfo = $self->pkginfo();
 660     my $veid = $self->{veid};
 661     my $conffile = $self->{veconffile};
 662     my $rootdir = $self->{rootfs};
 663
 664     my $vestat = $self->ve_status();
 665     die "ve not running - unable to finalize\n" if !$vestat->{running};
 666
 667     # cleanup mysqld
 668     if (-f "$rootdir/etc/init.d/mysql") {
 669         $self->ve_command ("/etc/init.d/mysql stop");
 670     }
 671
 672     if (!($opts->{keepmycnf} || (-f "$rootdir/etc/init.d/mysql_randompw"))) {
 673         unlink "$rootdir/root/.my.cnf";
 674     }
 675
 676     if ($suite eq 'etch') {
 677         # enable apache2 startup
 678         if ($instpkgs->{apache2}) {
 679             write_file ("NO_START=0\n", "$rootdir/etc/default/apache2");
 680         } else {
 681             unlink "$rootdir/etc/default/apache2";
 682         }
 683     }
 684     $self->logmsg ("cleanup package status\n");
 685     # prevent auto selection of all standard, required or important
 686     # packages which are not installed
 687     foreach my $pkg (keys %$pkginfo) {
 688         my $pri = $pkginfo->{$pkg}->{priority};
 689         if ($pri && ($pri eq 'required' || $pri eq 'important'
 690                      || $pri eq 'standard')) {
 691             if (!$instpkgs->{$pkg}) {
 692                 $self->ve_dpkg_set_selection ($pkg, 'purge');
 693             }
 694         }
 695     }
 696
 697     $self->ve_command ("apt-get clean");
 698
 699     $self->logmsg ("update available package list\n");
 700
 701     $self->ve_command ("dpkg --clear-avail");
 702     foreach my $ss (@{$self->{sources}}) {
 703         my $relsrc = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/Release");
 704         if (-f "$infodir/$relsrc" && -f "$infodir/$relsrc.gpg") {
 705             $self->run_command ("cp '$infodir/$relsrc' '$rootdir/var/lib/apt/lists/$relsrc'");
 706             $self->run_command ("cp '$infodir/$relsrc.gpg' '$rootdir/var/lib/apt/lists/$relsrc.gpg'");
 707         }
 708         foreach my $comp (@{$ss->{comp}}) {
 709             my $src = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/" .
 710                                          "$comp/binary-$arch/Packages");
 711             my $target = "/var/lib/apt/lists/$src";
 712             $self->run_command ("cp '$infodir/$src' '$rootdir/$target'");
 713             $self->ve_command ("dpkg --merge-avail '$target'");
 714         }
 715     }
 716
 717     # set dselect default method
 718     write_file ("apt apt\n", "$rootdir/var/lib/dpkg/cmethopt");
 719
 720     $self->ve_divert_remove ("/usr/sbin/policy-rc.d");
 721
 722     $self->ve_divert_remove ("/sbin/start-stop-daemon");
 723
 724     $self->ve_divert_remove ("/sbin/init");
 725
 726     # finally stop the VE
 727     $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 728
 729     unlink "$rootdir/sbin/defenv";
 730
 731     unlink <$rootdir/root/dead.letter*>;
 732
 733     unlink "$rootdir/var/log/init.log";
 734
 735     unlink "$rootdir/aquota.group";
 736
 737     unlink "$rootdir/aquota.user";
 738
 739     write_file ("", "$rootdir/var/log/syslog");
 740
 741     $self->logmsg ("detecting final size: ");
 742
 743     my $sizestr = $self->run_command ("du -sm $rootdir", undef, 1);
 744     my $size;
 745     if ($sizestr =~ m/^(\d+)\s+\Q$rootdir\E$/) {
 746         $size = $1;
 747     } else {
 748         die "unable to detect size\n";
 749     }
 750     $self->logmsg ("$size MB\n");
 751
 752     $self->write_config ("$rootdir/etc/appliance.info", $size);
 753
 754     $self->logmsg ("creating final appliance archive\n");
 755
 756     my $target = "$self->{targetname}.tar";
 757     unlink $target;
 758     unlink "$target.gz";
 759
 760     $self->run_command ("tar cpf $target --numeric-owner -C '$rootdir' ./etc/appliance.info");
 761     $self->run_command ("tar rpf $target --numeric-owner -C '$rootdir' --exclude ./etc/appliance.info .");
 762     $self->run_command ("gzip $target");
 763 }
 764
 765 sub read_installed {
 766     my ($self) = @_;
 767
 768     my $rootdir = $self->{rootfs};
 769
 770     my $pkgfilelist = "$rootdir/var/lib/dpkg/status";
 771     local $/ = '';
 772     open (PKGLST, "<$pkgfilelist") ||
 773         die "unable to open '$pkgfilelist'";
 774
 775     my $pkglist = {};
 776
 777     while (my $rec = <PKGLST>) {
 778         chomp $rec;
 779         $rec =~ s/\n\s+/ /g;
 780         $rec .= "\n";
 781         my $res = {};
 782
 783         while ($rec =~ s/^([^:]+):\s+(.*)\s*\n//) {
 784             $res->{lc $1} = $2;
 785         }
 786
 787         my $pkg = $res->{'package'};
 788         if (my $status = $res->{status}) {
 789             my @sa = split (/\s+/, $status);
 790             my $stat = $sa[0];
 791             if ($stat && ($stat ne 'purge')) {
 792                 $pkglist->{$pkg} = $res;
 793             }
 794         }
 795     }
 796
 797     close (PKGLST);
 798
 799     return $pkglist;
 800 }
 801
 802 sub ve_status {
 803     my ($self) = @_;
 804
 805     my $veid = $self->{veid};
 806
 807     my $res = { running => 0 };
 808
 809     $res->{exist} = 1 if -d "$self->{rootfs}/usr";
 810
 811     my $filename = "/proc/net/unix";
 812
 813     # similar test is used by lcxcontainers.c: list_active_containers
 814     my $fh = IO::File->new ($filename, "r");
 815     return $res if !$fh;
 816
 817     while (defined(my $line = <$fh>)) {
 818         if ($line =~ m/^[a-f0-9]+:\s\S+\s\S+\s\S+\s\S+\s\S+\s\d+\s(\S+)$/) {
 819             my $path = $1;
 820             if ($path =~ m!^@/\S+/$veid/command$!) {
 821                 $res->{running} = 1;
 822             }
 823         }
 824     }
 825     close($fh);
 826
 827     return $res;
 828 }
 829
 830 sub ve_command {
 831     my ($self, $cmd, $input) = @_;
 832
 833     my $veid = $self->{veid};
 834     my $conffile = $self->{veconffile};
 835
 836     if (ref ($cmd) eq 'ARRAY') {
 837         unshift @$cmd, 'lxc-attach', '-n', $veid, '--rcfile', $conffile, '--clear-env', '--', 'defenv';
 838         $self->run_command ($cmd, $input);
 839     } else {
 840         $self->run_command ("lxc-attach -n $veid --rcfile $conffile --clear-env -- defenv $cmd", $input);
 841     }
 842 }
 843
 844 # like ve_command, but pipes stdin correctly
 845 sub ve_exec {
 846     my ($self, @cmd) = @_;
 847
 848     my $veid = $self->{veid};
 849     my $conffile = $self->{veconffile};
 850
 851     my $reader;
 852     my $pid = open2($reader, "<&STDIN", 'lxc-attach', '-n', $veid,  '--rcfile', $conffile, '--',
 853                     'defenv', @cmd) || die "unable to exec command";
 854
 855     while (defined (my $line = <$reader>)) {
 856         $self->logmsg ($line);
 857     }
 858
 859     waitpid ($pid, 0);
 860     my $rc = $? >> 8;
 861
 862     die "ve_exec failed - status $rc\n" if $rc != 0;
 863 }
 864
 865 sub ve_divert_add {
 866     my ($self, $filename) = @_;
 867
 868     $self->ve_command ("dpkg-divert --add --divert '$filename.distrib' " .
 869                        "--rename '$filename'");
 870 }
 871 sub ve_divert_remove {
 872     my ($self, $filename) = @_;
 873
 874     my $rootdir = $self->{rootfs};
 875
 876     unlink "$rootdir/$filename";
 877     $self->ve_command ("dpkg-divert --remove --rename '$filename'");
 878 }
 879
 880 sub ve_debconfig_set {
 881     my ($self, $dcdata) = @_;
 882
 883     my $rootdir = $self->{rootfs};
 884     my $cfgfile = "/tmp/debconf.txt";
 885     write_file ($dcdata, "$rootdir/$cfgfile");
 886     $self->ve_command ("debconf-set-selections $cfgfile");
 887     unlink "$rootdir/$cfgfile";
 888 }
 889
 890 sub ve_dpkg_set_selection {
 891     my ($self, $pkg, $status) = @_;
 892
 893     $self->ve_command ("dpkg --set-selections", "$pkg $status");
 894 }
 895
 896 sub ve_dpkg {
 897     my ($self, $cmd, @pkglist) = @_;
 898
 899     return if !scalar (@pkglist);
 900
 901     my $pkginfo = $self->pkginfo();
 902
 903     my $rootdir = $self->{rootfs};
 904     my $cachedir = $self->{cachedir};
 905
 906     my @files;
 907
 908     foreach my $pkg (@pkglist) {
 909         my $filename = $self->getpkgfile ($pkg);
 910         $self->run_command ("cp '$cachedir/$filename' '$rootdir/$filename'");
 911         push @files, "/$filename";
 912         $self->logmsg ("$cmd: $pkg\n");
 913     }
 914
 915     my $fl = join (' ', @files);
 916
 917     if ($cmd eq 'install') {
 918         $self->ve_command ("dpkg --force-depends --force-confold --install $fl");
 919     } elsif ($cmd eq 'unpack') {
 920         $self->ve_command ("dpkg --force-depends --unpack $fl");
 921     } else {
 922         die "internal error";
 923     }
 924
 925     foreach my $fn (@files) { unlink "$rootdir$fn"; }
 926 }
 927
 928 sub ve_destroy {
 929     my ($self) = @_;
 930
 931     my $veid = $self->{veid}; # fixme
 932     my $conffile = $self->{veconffile};
 933
 934     my $vestat = $self->ve_status();
 935     if ($vestat->{running}) {
 936         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 937     }
 938
 939     rmtree $self->{rootfs};
 940     unlink $self->{veconffile};
 941 }
 942
 943 sub ve_init {
 944     my ($self) = @_;
 945
 946     my $veid = $self->{veid};
 947     my $conffile = $self->{veconffile};
 948
 949     $self->logmsg ("initialize VE $veid\n");
 950
 951     my $vestat = $self->ve_status();
 952     if ($vestat->{running}) {
 953         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 954     }
 955
 956     rmtree $self->{rootfs};
 957     mkpath $self->{rootfs};
 958 }
 959
 960 sub __deb_version_cmp {
 961     my ($cur, $op, $new) = @_;
 962
 963     if (system("dpkg", "--compare-versions", $cur, $op, $new) == 0) {
 964         return 1;
 965     }
 966
 967     return 0;
 968 }
 969
 970 sub __parse_packages {
 971     my ($pkginfo, $filename, $src) = @_;
 972
 973     local $/ = '';
 974     open (PKGLST, "<$filename") ||
 975         die "unable to open '$filename'";
 976
 977     while (my $rec = <PKGLST>) {
 978         $rec =~ s/\n\s+/ /g;
 979         chomp $rec;
 980         $rec .= "\n";
 981
 982         my $res = {};
 983
 984         while ($rec =~ s/^([^:]+):\s+(.*)\s*\n//) {
 985             $res->{lc $1} = $2;
 986         }
 987
 988         my $pkg = $res->{'package'};
 989         if ($pkg && $res->{'filename'}) {
 990             my $cur;
 991             if (my $info = $pkginfo->{$pkg}) {
 992                 $cur = $info->{version};
 993             }
 994             my $new = $res->{version};
 995             if (!$cur || __deb_version_cmp ($cur, 'lt', $new)) {
 996                 if ($src) {
 997                     $res->{url} = "$src/$res->{'filename'}";
 998                 } else {
 999                     die "no url for package '$pkg'" if !$res->{url};
1000                 }
1001                 $pkginfo->{$pkg} = $res;
1002             }
1003         }
1004     }
1005
1006     close (PKGLST);
1007 }
1008
1009 sub pkginfo {
1010     my ($self) = @_;
1011
1012     return $self->{pkginfo} if $self->{pkginfo};
1013
1014     my $infodir = $self->{infodir};
1015     my $arch = $self->{config}->{architecture};
1016
1017     my $availfn = "$infodir/available";
1018
1019     my $pkginfo = {};
1020     my $pkgcount = 0;
1021
1022     # reading 'available' is faster, because it only contains latest version
1023     # (no need to do slow version compares)
1024     if (-f $availfn) {
1025             __parse_packages ($pkginfo, $availfn);
1026             $self->{pkginfo} = $pkginfo;
1027             return $pkginfo;
1028     }
1029
1030     $self->logmsg ("generating available package list\n");
1031
1032     foreach my $ss (@{$self->{sources}}) {
1033         foreach my $comp (@{$ss->{comp}}) {
1034             my $url = "$ss->{source}/dists/$ss->{suite}/$comp/binary-$arch/Packages";
1035             my $pkgfilelist = "$infodir/" . __url_to_filename ($url);
1036
1037             my $src = $ss->{mirror} || $ss->{source};
1038
1039             __parse_packages ($pkginfo, $pkgfilelist, $src);
1040         }
1041     }
1042
1043     if (my $dep = $self->{config}->{depends}) {
1044         foreach my $d (split (/,/, $dep)) {
1045             if ($d =~ m/^\s*(\S+)\s*(\((\S+)\s+(\S+)\)\s*)?$/) {
1046                 my ($pkg, $op, $rver) = ($1, $3, $4);
1047                 $self->logmsg ("checking dependencies: $d\n");
1048                 my $info = $pkginfo->{$pkg};
1049                 die "package '$pkg' not available\n" if !$info;
1050                 if ($op) {
1051                     my $cver = $info->{version};
1052                     if (!__deb_version_cmp ($cver, $op, $rver)) {
1053                         die "detected wrong version '$cver'\n";
1054                     }
1055                 }
1056             } else {
1057                 die "syntax error in depends field";
1058             }
1059         }
1060     }
1061
1062     $self->{pkginfo} = $pkginfo;
1063
1064     my $tmpfn = "$availfn.tmp$$";
1065     my $fd = IO::File->new (">$tmpfn");
1066     foreach my $pkg (sort keys %$pkginfo) {
1067         my $info = $pkginfo->{$pkg};
1068         print $fd "package: $pkg\n";
1069         foreach my $k (sort keys %$info) {
1070             next if $k eq 'description';
1071             next if $k eq 'package';
1072             my $v = $info->{$k};
1073             print $fd "$k: $v\n" if $v;
1074         }
1075         print $fd "description: $info->{description}\n" if $info->{description};
1076         print $fd "\n";
1077     }
1078     close ($fd);
1079
1080     rename ($tmpfn, $availfn);
1081
1082     return $pkginfo;
1083 }
1084
1085 sub __record_provides {
1086     my ($pkginfo, $closure, $list, $skipself) = @_;
1087
1088     foreach my $pname (@$list) {
1089         my $info = $pkginfo->{$pname};
1090         # fixme: if someone install packages directly using dpkg, there
1091         # is no entry in 'available', only in 'status'. In that case, we
1092         # should extract info from $instpkgs
1093         if (!$info) {
1094             warn "hint: ignoring provides for '$pname' - package not in 'available' list.\n";
1095             next;
1096         }
1097         if (my $prov = $info->{provides}) {
1098             my @pl = split (',', $prov);
1099             foreach my $p (@pl) {
1100                 $p =~ m/\s*(\S+)/;
1101                 if (!($skipself && (grep { $1 eq $_ } @$list))) {
1102                     $closure->{$1} = 1;
1103                 }
1104             }
1105         }
1106         $closure->{$pname} = 1 if !$skipself;
1107     }
1108 }
1109
1110 sub closure {
1111     my ($self, $closure, $list) = @_;
1112
1113     my $pkginfo = $self->pkginfo();
1114
1115     # first, record provided packages
1116     __record_provides ($pkginfo, $closure, $list, 1);
1117
1118     my $pkghash = {};
1119     my $pkglist = [];
1120
1121     # then resolve dependencies
1122     foreach my $pname (@$list) {
1123         __closure_single ($pkginfo, $closure, $pkghash, $pkglist, $pname, $self->{excl});
1124     }
1125
1126     return $pkglist;
1127 }
1128
1129 sub __closure_single {
1130     my ($pkginfo, $closure, $pkghash, $pkglist, $pname, $excl) = @_;
1131
1132     $pname =~ s/^\s+//;
1133     $pname =~ s/\s+$//;
1134     $pname =~ s/:any$//;
1135
1136     return if $closure->{$pname};
1137
1138     my $info = $pkginfo->{$pname} || die "no such package '$pname'";
1139
1140     my $dep = $info->{depends};
1141     my $predep = $info->{'pre-depends'};
1142
1143     my $size = $info->{size};
1144     my $url = $info->{url};
1145
1146     $url || die "$pname: no url for package '$pname'";
1147
1148     if (!$pkghash->{$pname}) {
1149         unshift @$pkglist, $pname;
1150         $pkghash->{$pname} = 1;
1151     }
1152
1153     __record_provides ($pkginfo, $closure, [$pname]) if $info->{provides};
1154
1155     $closure->{$pname} = 1;
1156
1157     #print "$url\n";
1158
1159     my @l;
1160
1161     push  @l, split (/,/, $predep) if $predep;
1162     push  @l, split (/,/, $dep) if $dep;
1163
1164   DEPEND: foreach my $p (@l) {
1165       my @l1 = split (/\|/, $p);
1166       foreach my $p1 (@l1) {
1167           if ($p1 =~ m/^\s*(\S+).*/) {
1168               #printf (STDERR "$pname: $p --> $1\n");
1169               if ($closure->{$1}) {
1170                   next DEPEND; # dependency already met
1171               }
1172           }
1173       }
1174       # search for non-excluded alternative
1175       my $found;
1176       foreach my $p1 (@l1) {
1177           if ($p1 =~ m/^\s*(\S+).*/) {
1178               next if grep { $1 eq $_ } @$excl;
1179               $found = $1;
1180               last;
1181           }
1182       }
1183       die "package '$pname' depends on exclusion '$p'\n" if !$found;
1184
1185       #printf (STDERR "$pname: $p --> $found\n");
1186
1187       __closure_single ($pkginfo, $closure, $pkghash, $pkglist, $found, $excl);
1188   }
1189 }
1190
1191 sub cache_packages {
1192     my ($self, $pkglist) = @_;
1193
1194     foreach my $pkg (@$pkglist) {
1195         $self->getpkgfile ($pkg);
1196     }
1197 }
1198
1199 sub getpkgfile {
1200     my ($self, $pkg) = @_;
1201
1202     my $pkginfo = $self->pkginfo();
1203     my $info = $pkginfo->{$pkg} || die "no such package '$pkg'";
1204     my $cachedir = $self->{cachedir};
1205
1206     my $url = $info->{url};
1207
1208     my $filename;
1209     if ($url =~ m|/([^/]+.deb)$|) {
1210         $filename = $1;
1211     } else {
1212         die "internal error";
1213     }
1214
1215     return $filename if -f "$cachedir/$filename";
1216
1217     mkpath $cachedir;
1218
1219     $self->download ($url, "$cachedir/$filename");
1220
1221     return $filename;
1222 }
1223
1224 sub install_init_script {
1225     my ($self, $script, $runlevel, $prio) = @_;
1226
1227     my $suite = $self->{config}->{suite};
1228     my $rootdir = $self->{rootfs};
1229
1230     my $base = basename ($script);
1231     my $target = "$rootdir/etc/init.d/$base";
1232
1233     $self->run_command ("install -m 0755 '$script' '$target'");
1234     if ($suite eq 'etch' || $suite eq 'lenny') {
1235         $self->ve_command ("update-rc.d $base start $prio $runlevel .");
1236     } elsif ($suite eq 'xenial' || $suite eq 'wily' || $suite eq 'vivid' ||
1237              $suite eq 'yakkety' || $suite eq 'zesty' || $suite eq 'artful' ||
1238              $suite eq 'bionic' || $suite eq 'cosmic' || $suite eq 'disco' ||
1239              $suite eq 'eoan' || $suite eq 'focal') {
1240         die "unable to install init script (system uses systemd)\n";
1241     } elsif ($suite eq 'trusty' || $suite eq 'precise') {
1242         die "unable to install init script (system uses upstart)\n";
1243     } else {
1244         $self->ve_command ("insserv $base");
1245     }
1246
1247     return $target;
1248 }
1249
1250 sub bootstrap {
1251     my ($self, $opts) = @_;
1252
1253     my $pkginfo = $self->pkginfo();
1254     my $veid = $self->{veid};
1255     my $suite = $self->{config}->{suite};
1256
1257     my $important = [ @{$self->{incl}} ];
1258     my $required;
1259     my $standard;
1260
1261     my $mta = $opts->{exim} ? 'exim' : 'postfix';
1262
1263     if ($mta eq 'postfix') {
1264         push @$important, "postfix";
1265     }
1266
1267     foreach my $p (sort keys %$pkginfo) {
1268         next if grep { $p eq $_ } @{$self->{excl}};
1269         my $pri = $pkginfo->{$p}->{priority};
1270         next if !$pri;
1271         next if $mta ne 'exim' && $p =~ m/exim/;
1272         next if $p =~ m/(selinux|semanage|policycoreutils)/;
1273
1274         push @$required, $p  if $pri eq 'required';
1275         push @$important, $p if $pri eq 'important';
1276         push @$standard, $p if $pri eq 'standard' && !$opts->{minimal};
1277     }
1278
1279     my $closure = {};
1280     $required = $self->closure ($closure, $required);
1281     $important = $self->closure ($closure, $important);
1282
1283     if (!$opts->{minimal}) {
1284         push @$standard, 'xbase-clients';
1285         $standard = $self->closure ($closure, $standard);
1286     }
1287
1288     # test if we have all 'ubuntu-minimal' and 'ubuntu-standard' packages
1289     # except those explicitly excluded
1290     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1291         my $mdeps = $pkginfo->{'ubuntu-minimal'}->{depends};
1292         foreach my $d (split (/,/, $mdeps)) {
1293             if ($d =~ m/^\s*(\S+)$/) {
1294                 my $pkg = $1;
1295                 next if $closure->{$pkg};
1296                 next if grep { $pkg eq $_ } @{$self->{excl}};
1297                 die "missing ubuntu-minimal package '$pkg'\n";
1298             }
1299         }
1300         if (!$opts->{minimal}) {
1301             $mdeps = $pkginfo->{'ubuntu-standard'}->{depends};
1302             foreach my $d (split (/,/, $mdeps)) {
1303                 if ($d =~ m/^\s*(\S+)$/) {
1304                     my $pkg = $1;
1305                     next if $closure->{$pkg};
1306                     next if grep { $pkg eq $_ } @{$self->{excl}};
1307                     die "missing ubuntu-standard package '$pkg'\n";
1308                 }
1309             }
1310         }
1311     }
1312
1313     # download/cache all files first
1314     $self->cache_packages ($required);
1315     $self->cache_packages ($important);
1316     $self->cache_packages ($standard);
1317
1318     my $rootdir = $self->{rootfs};
1319
1320     # extract required packages first
1321     $self->logmsg ("create basic environment\n");
1322     foreach my $p (@$required) {
1323         my $filename = $self->getpkgfile ($p);
1324         my $content = $self->run_command("ar -t '$self->{cachedir}/$filename'", undef, 1);
1325         if ($content =~ m/^data.tar.xz$/m) {
1326             $self->run_command ("ar -p '$self->{cachedir}/$filename' data.tar.xz | tar -C '$rootdir' -xJf -");
1327         } else {
1328             $self->run_command ("ar -p '$self->{cachedir}/$filename' data.tar.gz | tar -C '$rootdir' -xzf -");
1329         }
1330     }
1331
1332     # fake dpkg status
1333     my $data = "Package: dpkg\n" .
1334         "Version: $pkginfo->{dpkg}->{version}\n" .
1335         "Status: install ok installed\n";
1336
1337     write_file ($data, "$rootdir/var/lib/dpkg/status");
1338     write_file ("", "$rootdir/var/lib/dpkg/info/dpkg.list");
1339     write_file ("", "$rootdir/var/lib/dpkg/available");
1340
1341     $data = '';
1342     foreach my $ss (@{$self->{sources}}) {
1343         my $url = $ss->{source};
1344         my $comp = join (' ', @{$ss->{comp}});
1345         $data .= "deb $url $ss->{suite} $comp\n\n";
1346     }
1347
1348     write_file ($data, "$rootdir/etc/apt/sources.list");
1349
1350     $data = "# UNCONFIGURED FSTAB FOR BASE SYSTEM\n";
1351     write_file ($data, "$rootdir/etc/fstab", 0644);
1352
1353     write_file ("localhost\n", "$rootdir/etc/hostname", 0644);
1354
1355     # avoid warnings about non-existent resolv.conf
1356     write_file ("", "$rootdir/etc/resolv.conf", 0644);
1357
1358     if ($suite eq 'focal' || $suite eq 'eoan' || $suite eq 'disco' || $suite eq 'cosmic' ||
1359         $suite eq 'bionic' || $suite eq 'artful' ||
1360         $suite eq 'zesty' || $suite eq 'yakkety' || $suite eq 'xenial' ||
1361         $suite eq 'wily') {
1362         # no need to configure loopback device
1363     } else {
1364         $data = "auto lo\niface lo inet loopback\n";
1365         mkdir "$rootdir/etc/network";
1366         write_file ($data, "$rootdir/etc/network/interfaces", 0644);
1367     }
1368
1369     # setup devices
1370     $self->run_command ("tar xzf '$devicetar' -C '$rootdir'");
1371
1372     # avoid warnings about missing default locale
1373     write_file ("LANG=\"C\"\n", "$rootdir/etc/default/locale", 0644);
1374
1375     # fake init
1376     rename ("$rootdir/sbin/init", "$rootdir/sbin/init.org");
1377     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1378
1379     $self->run_command ("cp '$default_env' '$rootdir/sbin/defenv'");
1380
1381     $self->run_command ("lxc-start -n $veid -f $self->{veconffile}");
1382
1383     $self->logmsg ("initialize ld cache\n");
1384     $self->ve_command ("/sbin/ldconfig");
1385     $self->run_command ("ln -sf mawk '$rootdir/usr/bin/awk'");
1386
1387     $self->logmsg ("installing packages\n");
1388
1389     $self->ve_dpkg ('install', 'base-files', 'base-passwd');
1390
1391     $self->ve_dpkg ('install', 'dpkg');
1392
1393     $self->run_command ("ln -sf /usr/share/zoneinfo/UTC '$rootdir/etc/localtime'");
1394
1395     $self->run_command ("ln -sf bash '$rootdir/bin/sh'");
1396
1397     $self->ve_dpkg ('install', 'libc6');
1398     $self->ve_dpkg ('install', 'perl-base');
1399
1400     unlink "$rootdir/usr/bin/awk";
1401
1402     $self->ve_dpkg ('install', 'mawk');
1403     $self->ve_dpkg ('install', 'debconf');
1404
1405     # unpack required packages
1406     foreach my $p (@$required) {
1407         $self->ve_dpkg ('unpack', $p);
1408     }
1409
1410     rename ("$rootdir/sbin/init.org", "$rootdir/sbin/init");
1411     $self->ve_divert_add ("/sbin/init");
1412     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1413
1414     # disable service activation
1415     $self->ve_divert_add ("/usr/sbin/policy-rc.d");
1416     $data = "#!/bin/sh\nexit 101\n";
1417     write_file ($data, "$rootdir/usr/sbin/policy-rc.d", 755);
1418
1419     # disable start-stop-daemon
1420     $self->ve_divert_add ("/sbin/start-stop-daemon");
1421     $data = <<EOD;
1422 #!/bin/sh
1423 echo
1424 echo \"Warning: Fake start-stop-daemon called, doing nothing\"
1425 EOD
1426     write_file ($data, "$rootdir/sbin/start-stop-daemon", 0755);
1427
1428     # disable udevd
1429     $self->ve_divert_add ("/sbin/udevd");
1430
1431     if ($suite eq 'etch') {
1432         # disable apache2 startup
1433         write_file ("NO_START=1\n", "$rootdir/etc/default/apache2");
1434     }
1435
1436     $self->logmsg ("configure required packages\n");
1437     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1438
1439     # set postfix defaults
1440     if ($mta eq 'postfix') {
1441         $data = "postfix postfix/main_mailer_type select Local only\n";
1442         $self->ve_debconfig_set ($data);
1443
1444         $data = "postmaster: root\nwebmaster: root\n";
1445         write_file ($data, "$rootdir/etc/aliases");
1446     }
1447
1448     if ($suite eq 'jaunty') {
1449         # jaunty does not create /var/run/network, so network startup fails.
1450         # so we do not use tmpfs for /var/run and /var/lock
1451         $self->run_command ("sed -e 's/RAMRUN=yes/RAMRUN=no/' -e 's/RAMLOCK=yes/RAMLOCK=no/'  -i $rootdir/etc/default/rcS");
1452         # and create the directory here
1453         $self->run_command ("mkdir $rootdir/var/run/network");
1454     }
1455
1456     # unpack base packages
1457     foreach my $p (@$important) {
1458         $self->ve_dpkg ('unpack', $p);
1459     }
1460
1461     # start loopback
1462     if (-x "$rootdir/sbin/ifconfig") {
1463         $self->ve_command ("ifconfig lo up");
1464     } else {
1465         $self->ve_command ("ip link set lo up");
1466     }
1467
1468     $self->logmsg ("configure important packages\n");
1469     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1470
1471     if (-d "$rootdir/etc/event.d") {
1472         unlink <$rootdir/etc/event.d/tty*>;
1473     }
1474
1475     if (-f "$rootdir/etc/inittab") {
1476         $self->run_command ("sed -i -e '/getty\\s38400\\stty[23456]/d' '$rootdir/etc/inittab'");
1477     }
1478
1479     # Link /etc/mtab to /proc/mounts, so df and friends will work:
1480     unlink "$rootdir/etc/mtab";
1481     $self->ve_command ("ln -s /proc/mounts /etc/mtab");
1482
1483     # reset password
1484     $self->ve_command ("usermod -L root");
1485
1486     if ($mta eq 'postfix') {
1487         $data = "postfix postfix/main_mailer_type select No configuration\n";
1488         $self->ve_debconfig_set ($data);
1489
1490         unlink "$rootdir/etc/mailname";
1491         write_file ($postfix_main_cf, "$rootdir/etc/postfix/main.cf");
1492     }
1493
1494     if (!$opts->{minimal}) {
1495         # unpack standard packages
1496         foreach my $p (@$standard) {
1497             $self->ve_dpkg ('unpack', $p);
1498         }
1499
1500         $self->logmsg ("configure standard packages\n");
1501         $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1502     }
1503
1504     # disable HWCLOCK access
1505     $self->run_command ("echo 'HWCLOCKACCESS=no' >> '$rootdir/etc/default/rcS'");
1506
1507     # disable hald
1508     $self->ve_divert_add ("/usr/sbin/hald");
1509
1510     # disable /dev/urandom init
1511     $self->run_command ("install -m 0755 '$script_init_urandom' '$rootdir/etc/init.d/urandom'");
1512
1513     if ($suite eq 'etch' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1514         # avoid klogd start
1515         $self->ve_divert_add ("/sbin/klogd");
1516     }
1517
1518     # remove unnecessays sysctl entries to avoid warnings
1519     my $cmd = 'sed';
1520     $cmd .= ' -e \'s/^\(kernel\.printk.*\)/#\1/\'';
1521     $cmd .= ' -e \'s/^\(kernel\.maps_protect.*\)/#\1/\'';
1522     $cmd .= ' -e \'s/^\(fs\.inotify\.max_user_watches.*\)/#\1/\'';
1523     $cmd .= ' -e \'s/^\(vm\.mmap_min_addr.*\)/#\1/\'';
1524     $cmd .= " -i '$rootdir/etc/sysctl.conf'";
1525     $self->run_command ($cmd);
1526
1527     my $bindv6only = "$rootdir/etc/sysctl.d/bindv6only.conf";
1528     if (-f $bindv6only) {
1529         $cmd = 'sed';
1530         $cmd .= ' -e \'s/^\(net\.ipv6\.bindv6only.*\)/#\1/\'';
1531         $cmd .= " -i '$bindv6only'";
1532         $self->run_command ($cmd);
1533     }
1534
1535     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1536         # disable tty init (console-setup)
1537         my $cmd = 'sed';
1538         $cmd .= ' -e \'s/^\(ACTIVE_CONSOLES=.*\)/ACTIVE_CONSOLES=/\'';
1539         $cmd .= " -i '$rootdir/etc/default/console-setup'";
1540         $self->run_command ($cmd);
1541     }
1542
1543     if ($suite eq 'intrepid') {
1544         # remove sysctl setup (avoid warnings at startup)
1545         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1546         $filelist .= " $rootdir/etc/sysctl.d/10-process-security.conf";
1547         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1548         $self->run_command ("rm $filelist");
1549     }
1550     if ($suite eq 'jaunty') {
1551         # remove sysctl setup (avoid warnings at startup)
1552         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1553         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1554         $self->run_command ("rm $filelist");
1555     }
1556 }
1557
1558 sub enter {
1559     my ($self) = @_;
1560
1561     my $veid = $self->{veid};
1562     my $conffile = $self->{veconffile};
1563
1564     my $vestat = $self->ve_status();
1565
1566     if (!$vestat->{exist}) {
1567         $self->logmsg ("Please create the appliance first (bootstrap)");
1568         return;
1569     }
1570
1571     if (!$vestat->{running}) {
1572         $self->run_command ("lxc-start -n $veid -f $conffile");
1573     }
1574
1575     system ("lxc-attach -n $veid --rcfile $conffile --clear-env");
1576 }
1577
1578 sub ve_mysql_command {
1579     my ($self, $sql, $password) = @_;
1580
1581     #my $bootstrap = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1582     #"--skip-bdb  --skip-innodb --skip-ndbcluster";
1583
1584     $self->ve_command ("mysql", $sql);
1585 }
1586
1587 sub ve_mysql_bootstrap {
1588     my ($self, $sql, $password) = @_;
1589
1590     my $cmd;
1591
1592     my $suite = $self->{config}->{suite};
1593
1594     if ($suite eq 'jessie') {
1595         my $rootdir = $self->{rootfs};
1596         $self->run_command ("sed -e 's/^key_buffer\\s*=/key_buffer_size =/' -i $rootdir/etc/mysql/my.cnf");
1597     }
1598
1599     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie') {
1600         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables";
1601
1602     } else {
1603         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1604             "--skip-bdb  --skip-innodb --skip-ndbcluster";
1605     }
1606
1607     $self->ve_command ($cmd, $sql);
1608 }
1609
1610 sub compute_required {
1611     my ($self, $pkglist) = @_;
1612
1613     my $pkginfo = $self->pkginfo();
1614     my $instpkgs = $self->read_installed ();
1615
1616     my $closure = {};
1617     __record_provides ($pkginfo, $closure, [keys %$instpkgs]);
1618
1619     return $self->closure ($closure, $pkglist);
1620 }
1621
1622 sub task_postgres {
1623     my ($self, $opts) = @_;
1624
1625     my @supp = ('7.4', '8.1');
1626     my $pgversion = '8.1';
1627
1628     my $suite = $self->{config}->{suite};
1629
1630     if ($suite eq 'lenny' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1631         @supp = ('8.3');
1632         $pgversion = '8.3';
1633     } elsif ($suite eq 'squeeze') {
1634         @supp = ('8.4');
1635         $pgversion = '8.4';
1636     } elsif ($suite eq 'wheezy') {
1637         @supp = ('9.1');
1638         $pgversion = '9.1';
1639     } elsif ($suite eq 'jessie') {
1640         @supp = ('9.4');
1641         $pgversion = '9.4';
1642     } elsif ($suite eq 'stretch') {
1643         @supp = ('9.6');
1644         $pgversion = '9.6';
1645     } elsif ($suite eq 'buster') {
1646         @supp = ('11');
1647         $pgversion = '11';
1648     } elsif ($suite eq 'bullseye') {
1649         # FIXME update on freeze!
1650         @supp = ('12');
1651         $pgversion = '12';
1652     }
1653
1654     $pgversion = $opts->{version} if $opts->{version};
1655
1656     die "unsupported postgres version '$pgversion'\n"
1657         if !grep { $pgversion eq $_; } @supp;
1658
1659     my $rootdir = $self->{rootfs};
1660
1661     my $required = $self->compute_required (["postgresql-$pgversion"]);
1662
1663     $self->cache_packages ($required);
1664
1665     $self->ve_dpkg ('install', @$required);
1666
1667     my $iscript = "postgresql-$pgversion";
1668     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie' ||
1669         $suite eq 'stretch') {
1670         $iscript = 'postgresql';
1671     }
1672
1673     $self->ve_command ("/etc/init.d/$iscript start") if $opts->{start};
1674 }
1675
1676 sub task_mysql {
1677     my ($self, $opts) = @_;
1678
1679     my $password = $opts->{password};
1680     my $rootdir = $self->{rootfs};
1681
1682     my $suite = $self->{config}->{suite};
1683
1684     my $ver = '5.0';
1685     if ($suite eq 'squeeze') {
1686       $ver = '5.1';
1687     } elsif ($suite eq 'wheezy' || $suite eq 'jessie') {
1688       $ver = '5.5';
1689     } else {
1690         die "task_mysql: unsupported suite '$suite'";
1691     }
1692
1693     my $required = $self->compute_required (['mysql-common', "mysql-server-$ver"]);
1694
1695     $self->cache_packages ($required);
1696
1697     $self->ve_dpkg ('install', @$required);
1698
1699     # fix security (see /usr/bin/mysql_secure_installation)
1700     my $sql = "DELETE FROM mysql.user WHERE User='';\n" .
1701         "DELETE FROM mysql.user WHERE User='root' AND Host!='localhost';\n" .
1702         "FLUSH PRIVILEGES;\n";
1703     $self->ve_mysql_bootstrap ($sql);
1704
1705     if ($password) {
1706
1707         my $rpw = $password eq 'random' ? 'admin' : $password;
1708
1709         my $sql = "USE mysql;\n" .
1710             "UPDATE user SET password=PASSWORD(\"$rpw\") WHERE user='root';\n" .
1711             "FLUSH PRIVILEGES;\n";
1712         $self->ve_mysql_bootstrap ($sql);
1713
1714         write_file ("[client]\nuser=root\npassword=\"$rpw\"\n", "$rootdir/root/.my.cnf", 0600);
1715         if ($password eq 'random') {
1716             $self->install_init_script ($script_mysql_randompw, 2, 20);
1717         }
1718     }
1719
1720     $self->ve_command ("/etc/init.d/mysql start") if $opts->{start};
1721 }
1722
1723 sub task_php {
1724     my ($self, $opts) = @_;
1725
1726     my $memlimit = $opts->{memlimit};
1727     my $rootdir = $self->{rootfs};
1728
1729     my $required = $self->compute_required ([qw (php5 php5-cli libapache2-mod-php5 php5-gd)]);
1730
1731     $self->cache_packages ($required);
1732
1733     $self->ve_dpkg ('install', @$required);
1734
1735     if ($memlimit) {
1736         $self->run_command ("sed -e 's/^\\s*memory_limit\\s*=.*;/memory_limit = ${memlimit}M;/' -i $rootdir/etc/php5/apache2/php.ini");
1737     }
1738 }
1739
1740 sub install {
1741     my ($self, $pkglist, $unpack) = @_;
1742
1743     my $required = $self->compute_required ($pkglist);
1744
1745     $self->cache_packages ($required);
1746
1747     $self->ve_dpkg ($unpack ? 'unpack' : 'install', @$required);
1748 }
1749
1750 sub cleanup {
1751     my ($self, $distclean) = @_;
1752
1753     unlink $self->{logfile};
1754     unlink "$self->{targetname}.tar";
1755     unlink "$self->{targetname}.tar.gz";
1756
1757     $self->ve_destroy ();
1758     unlink ".veid";
1759
1760     rmtree $self->{cachedir} if $distclean && !$self->{config}->{cachedir};
1761
1762     rmtree $self->{infodir};
1763
1764 }
1765
1766 1;