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Commit | Line | Data |
---|---|---|
7af97ad5 | 1 | package PVE::LXC::Setup::Base; |
1c7f4f65 DM |
2 | |
3 | use strict; | |
4 | use warnings; | |
5 | ||
168d6b07 DM |
6 | use File::stat; |
7 | use Digest::SHA; | |
8 | use IO::File; | |
9 | use Encode; | |
f08b2779 | 10 | use Fcntl; |
2063d380 | 11 | use File::Path; |
f08b2779 | 12 | use File::Spec; |
bd1dc8d1 | 13 | use File::Basename; |
168d6b07 | 14 | |
b9cd9975 | 15 | use PVE::INotify; |
55fa4e09 | 16 | use PVE::Tools; |
4401b7d4 | 17 | use PVE::Network; |
55fa4e09 | 18 | |
633a7bd8 | 19 | sub new { |
153747ff | 20 | my ($class, $conf, $rootdir, $os_release) = @_; |
633a7bd8 | 21 | |
153747ff | 22 | return bless { conf => $conf, rootdir => $rootdir, os_release => $os_release }, $class; |
633a7bd8 | 23 | } |
b9cd9975 | 24 | |
c0eae401 | 25 | sub lookup_dns_conf { |
23d928a1 | 26 | my ($self, $conf) = @_; |
b9cd9975 | 27 | |
27916659 DM |
28 | my $nameserver = $conf->{nameserver}; |
29 | my $searchdomains = $conf->{searchdomain}; | |
b9cd9975 | 30 | |
ffc468ee DC |
31 | if ($conf->{'testmode'}) { |
32 | return ('proxmox.com', '8.8.8.8 8.8.8.9'); | |
33 | } | |
b9cd9975 | 34 | |
ffc468ee | 35 | my $host_resolv_conf = $self->{host_resolv_conf}; |
b9cd9975 | 36 | |
ffc468ee DC |
37 | if (!defined($nameserver)) { |
38 | my @list = (); | |
39 | foreach my $k ("dns1", "dns2", "dns3") { | |
40 | if (my $ns = $host_resolv_conf->{$k}) { | |
41 | push @list, $ns; | |
b9cd9975 | 42 | } |
b9cd9975 | 43 | } |
ffc468ee DC |
44 | $nameserver = join(' ', @list); |
45 | } | |
46 | ||
47 | if (!defined($searchdomains)) { | |
48 | $searchdomains = $host_resolv_conf->{search}; | |
b9cd9975 DM |
49 | } |
50 | ||
51 | return ($searchdomains, $nameserver); | |
c0eae401 | 52 | } |
b9cd9975 | 53 | |
c0eae401 | 54 | sub update_etc_hosts { |
9096a91d | 55 | my ($self, $hostip, $oldname, $newname, $searchdomains) = @_; |
1c7f4f65 | 56 | |
1b3cffda WB |
57 | my $hosts_fn = '/etc/hosts'; |
58 | return if $self->ct_is_file_ignored($hosts_fn); | |
59 | ||
ce289e3c WB |
60 | my $namepart = ($newname =~ s/\..*$//r); |
61 | ||
005f91ad | 62 | my $all_names = ''; |
ce289e3c | 63 | if ($newname =~ /\./) { |
005f91ad | 64 | $all_names .= "$newname $namepart"; |
ce289e3c WB |
65 | } else { |
66 | foreach my $domain (PVE::Tools::split_list($searchdomains)) { | |
005f91ad WB |
67 | $all_names .= ' ' if $all_names; |
68 | $all_names .= "$newname.$domain"; | |
ce289e3c | 69 | } |
005f91ad WB |
70 | $all_names .= ' ' if $all_names; |
71 | $all_names .= $newname; | |
e4929e97 | 72 | } |
1c7f4f65 | 73 | |
9096a91d WB |
74 | # Prepare section: |
75 | my $section = ''; | |
c325b32f | 76 | |
9096a91d WB |
77 | my $lo4 = "127.0.0.1 localhost.localnet localhost\n"; |
78 | my $lo6 = "::1 localhost.localnet localhost\n"; | |
79 | if ($self->ct_file_exists($hosts_fn)) { | |
80 | my $data = $self->ct_file_get_contents($hosts_fn); | |
81 | # don't take localhost entries within our hosts sections into account | |
82 | $data = remove_pve_sections($data); | |
1c7f4f65 | 83 | |
9096a91d WB |
84 | # check for existing localhost entries |
85 | $section .= $lo4 if $data !~ /^\h*127\.0\.0\.1\h+/m; | |
86 | $section .= $lo6 if $data !~ /^\h*::1\h+/m; | |
87 | } else { | |
88 | $section .= $lo4 . $lo6; | |
1c7f4f65 DM |
89 | } |
90 | ||
9096a91d WB |
91 | if (defined($hostip)) { |
92 | $section .= "$hostip $all_names\n"; | |
93 | } else { | |
94 | $section .= "127.0.1.1 $namepart\n"; | |
1e180f97 DM |
95 | } |
96 | ||
9096a91d | 97 | $self->ct_modify_file($hosts_fn, $section); |
c0eae401 | 98 | } |
1c7f4f65 | 99 | |
142444d5 DM |
100 | sub template_fixup { |
101 | my ($self, $conf) = @_; | |
102 | ||
103 | # do nothing by default | |
104 | } | |
105 | ||
c325b32f | 106 | sub set_dns { |
633a7bd8 | 107 | my ($self, $conf) = @_; |
c325b32f | 108 | |
23d928a1 | 109 | my ($searchdomains, $nameserver) = $self->lookup_dns_conf($conf); |
c325b32f | 110 | |
c325b32f DM |
111 | my $data = ''; |
112 | ||
113 | $data .= "search " . join(' ', PVE::Tools::split_list($searchdomains)) . "\n" | |
114 | if $searchdomains; | |
115 | ||
116 | foreach my $ns ( PVE::Tools::split_list($nameserver)) { | |
117 | $data .= "nameserver $ns\n"; | |
118 | } | |
119 | ||
2edb50e5 | 120 | $self->ct_modify_file("/etc/resolv.conf", $data, replace => 1); |
c325b32f DM |
121 | } |
122 | ||
1c7f4f65 | 123 | sub set_hostname { |
633a7bd8 | 124 | my ($self, $conf) = @_; |
1c7f4f65 | 125 | |
27916659 | 126 | my $hostname = $conf->{hostname} || 'localhost'; |
1c7f4f65 | 127 | |
ce289e3c | 128 | my $namepart = ($hostname =~ s/\..*$//r); |
1c7f4f65 | 129 | |
f08b2779 | 130 | my $hostname_fn = "/etc/hostname"; |
1c7f4f65 | 131 | |
f08b2779 | 132 | my $oldname = $self->ct_file_read_firstline($hostname_fn) || 'localhost'; |
1c7f4f65 | 133 | |
c325b32f DM |
134 | my ($ipv4, $ipv6) = PVE::LXC::get_primary_ips($conf); |
135 | my $hostip = $ipv4 || $ipv6; | |
b9cd9975 | 136 | |
23d928a1 | 137 | my ($searchdomains) = $self->lookup_dns_conf($conf); |
b9cd9975 | 138 | |
9096a91d | 139 | $self->update_etc_hosts($hostip, $oldname, $hostname, $searchdomains); |
b9cd9975 | 140 | |
ce289e3c | 141 | $self->ct_file_set_contents($hostname_fn, "$namepart\n"); |
1c7f4f65 DM |
142 | } |
143 | ||
55fa4e09 | 144 | sub setup_network { |
633a7bd8 | 145 | my ($self, $conf) = @_; |
55fa4e09 DM |
146 | |
147 | die "please implement this inside subclass" | |
148 | } | |
149 | ||
d66768a2 | 150 | sub setup_init { |
633a7bd8 | 151 | my ($self, $conf) = @_; |
1c7f4f65 | 152 | |
d66768a2 DM |
153 | die "please implement this inside subclass" |
154 | } | |
155 | ||
9143dec4 DM |
156 | sub setup_systemd_console { |
157 | my ($self, $conf) = @_; | |
158 | ||
e7deac01 | 159 | my $systemd_dir_rel = $self->ct_is_executable("/lib/systemd/systemd") ? |
9143dec4 DM |
160 | "/lib/systemd/system" : "/usr/lib/systemd/system"; |
161 | ||
9143dec4 DM |
162 | my $systemd_getty_service_rel = "$systemd_dir_rel/getty\@.service"; |
163 | ||
f08b2779 | 164 | return if !$self->ct_file_exists($systemd_getty_service_rel); |
9143dec4 | 165 | |
f08b2779 | 166 | my $raw = $self->ct_file_get_contents($systemd_getty_service_rel); |
9143dec4 | 167 | |
c69ae0d0 | 168 | my $systemd_container_getty_service_rel = "$systemd_dir_rel/container-getty\@.service"; |
c69ae0d0 DM |
169 | |
170 | # systemd on CenoOS 7.1 is too old (version 205), so there is no | |
171 | # container-getty service | |
f08b2779 | 172 | if (!$self->ct_file_exists($systemd_container_getty_service_rel)) { |
c69ae0d0 | 173 | if ($raw =~ s!^ConditionPathExists=/dev/tty0$!ConditionPathExists=/dev/tty!m) { |
f08b2779 | 174 | $self->ct_file_set_contents($systemd_getty_service_rel, $raw); |
c69ae0d0 DM |
175 | } |
176 | } else { | |
177 | # undo above change (in case someone updated systemd) | |
178 | if ($raw =~ s!^ConditionPathExists=/dev/tty$!ConditionPathExists=/dev/tty0!m) { | |
f08b2779 | 179 | $self->ct_file_set_contents($systemd_getty_service_rel, $raw); |
c69ae0d0 | 180 | } |
9143dec4 DM |
181 | } |
182 | ||
1b4cf758 | 183 | my $ttycount = PVE::LXC::Config->get_tty_count($conf); |
9143dec4 DM |
184 | |
185 | for (my $i = 1; $i < 7; $i++) { | |
f08b2779 | 186 | my $tty_service_lnk = "/etc/systemd/system/getty.target.wants/getty\@tty$i.service"; |
9143dec4 | 187 | if ($i > $ttycount) { |
f08b2779 | 188 | $self->ct_unlink($tty_service_lnk); |
9143dec4 | 189 | } else { |
f08b2779 WB |
190 | if (!$self->ct_is_symlink($tty_service_lnk)) { |
191 | $self->ct_unlink($tty_service_lnk); | |
192 | $self->ct_symlink($systemd_getty_service_rel, $tty_service_lnk); | |
9143dec4 DM |
193 | } |
194 | } | |
195 | } | |
196 | } | |
197 | ||
5e84bdc8 DM |
198 | # A few distros as well as unprivileged containers cannot deal with the |
199 | # /dev/lxc/ tty subdirectory. | |
200 | sub devttydir { | |
201 | my ($self, $conf) = @_; | |
202 | return $conf->{unprivileged} ? '' : 'lxc/'; | |
203 | } | |
204 | ||
90b21cdc | 205 | sub setup_container_getty_service { |
5e84bdc8 DM |
206 | my ($self, $conf) = @_; |
207 | ||
e7deac01 | 208 | my $systemd_dir_rel = $self->ct_is_executable("/lib/systemd/systemd") ? |
8f115f7c WB |
209 | "/lib/systemd/system" : "/usr/lib/systemd/system"; |
210 | my $servicefile = "$systemd_dir_rel/container-getty\@.service"; | |
90b21cdc | 211 | my $raw = $self->ct_file_get_contents($servicefile); |
5e84bdc8 | 212 | my $ttyname = $self->devttydir($conf) . 'tty%I'; |
418ec240 | 213 | if ($raw =~ s@pts/%I|lxc/tty%I@$ttyname@g) { |
90b21cdc WB |
214 | $self->ct_file_set_contents($servicefile, $raw); |
215 | } | |
216 | } | |
217 | ||
c1d32b55 WB |
218 | sub setup_systemd_networkd { |
219 | my ($self, $conf) = @_; | |
220 | ||
c1d32b55 WB |
221 | foreach my $k (keys %$conf) { |
222 | next if $k !~ m/^net(\d+)$/; | |
1b4cf758 | 223 | my $d = PVE::LXC::Config->parse_lxc_network($conf->{$k}); |
c1d32b55 WB |
224 | next if !$d->{name}; |
225 | ||
f08b2779 | 226 | my $filename = "/etc/systemd/network/$d->{name}.network"; |
c1d32b55 WB |
227 | |
228 | my $data = <<"DATA"; | |
229 | [Match] | |
230 | Name = $d->{name} | |
231 | ||
232 | [Network] | |
233 | Description = Interface $d->{name} autoconfigured by PVE | |
234 | DATA | |
4401b7d4 WB |
235 | |
236 | my $routes = ''; | |
237 | my ($has_ipv4, $has_ipv6); | |
238 | ||
c1d32b55 WB |
239 | # DHCP bitflags: |
240 | my @DHCPMODES = ('none', 'v4', 'v6', 'both'); | |
241 | my ($NONE, $DHCP4, $DHCP6, $BOTH) = (0, 1, 2, 3); | |
242 | my $dhcp = $NONE; | |
243 | ||
244 | if (defined(my $ip = $d->{ip})) { | |
245 | if ($ip eq 'dhcp') { | |
246 | $dhcp |= $DHCP4; | |
247 | } elsif ($ip ne 'manual') { | |
4401b7d4 | 248 | $has_ipv4 = 1; |
c1d32b55 WB |
249 | $data .= "Address = $ip\n"; |
250 | } | |
251 | } | |
252 | if (defined(my $gw = $d->{gw})) { | |
253 | $data .= "Gateway = $gw\n"; | |
4401b7d4 WB |
254 | if ($has_ipv4 && !PVE::Network::is_ip_in_cidr($gw, $d->{ip}, 4)) { |
255 | $routes .= "\n[Route]\nDestination = $gw/32\nScope = link\n"; | |
256 | } | |
c1d32b55 WB |
257 | } |
258 | ||
259 | if (defined(my $ip = $d->{ip6})) { | |
260 | if ($ip eq 'dhcp') { | |
261 | $dhcp |= $DHCP6; | |
262 | } elsif ($ip ne 'manual') { | |
4401b7d4 | 263 | $has_ipv6 = 1; |
c1d32b55 WB |
264 | $data .= "Address = $ip\n"; |
265 | } | |
266 | } | |
267 | if (defined(my $gw = $d->{gw6})) { | |
268 | $data .= "Gateway = $gw\n"; | |
d13fd23a WB |
269 | if ($has_ipv6 && !PVE::Network::is_ip_in_cidr($gw, $d->{ip6}, 6) && |
270 | !PVE::Network::is_ip_in_cidr($gw, 'fe80::/10', 6)) { | |
4401b7d4 WB |
271 | $routes .= "\n[Route]\nDestination = $gw/128\nScope = link\n"; |
272 | } | |
c1d32b55 WB |
273 | } |
274 | ||
275 | $data .= "DHCP = $DHCPMODES[$dhcp]\n"; | |
4401b7d4 | 276 | $data .= $routes if $routes; |
c1d32b55 | 277 | |
f08b2779 | 278 | $self->ct_file_set_contents($filename, $data); |
c1d32b55 | 279 | } |
b7cd927f WB |
280 | } |
281 | ||
282 | sub setup_securetty { | |
283 | my ($self, $conf, @add) = @_; | |
c1d32b55 | 284 | |
f08b2779 | 285 | my $filename = "/etc/securetty"; |
bd3093ef TL |
286 | # root login is already allowed on every device if no securetty present |
287 | return if !$self->ct_file_exists($filename); | |
288 | ||
5e84bdc8 DM |
289 | if (!scalar(@add)) { |
290 | @add = qw(console tty1 tty2 tty3 tty4); | |
291 | if (my $dir = $self->devttydir($conf)) { | |
292 | @add = map { "${dir}$_" } @add; | |
293 | } | |
294 | } | |
295 | ||
f08b2779 | 296 | my $data = $self->ct_file_get_contents($filename); |
b7cd927f WB |
297 | chomp $data; $data .= "\n"; |
298 | foreach my $dev (@add) { | |
299 | if ($data !~ m!^\Q$dev\E\s*$!m) { | |
300 | $data .= "$dev\n"; | |
301 | } | |
302 | } | |
f08b2779 | 303 | $self->ct_file_set_contents($filename, $data); |
c1d32b55 WB |
304 | } |
305 | ||
168d6b07 | 306 | my $replacepw = sub { |
f08b2779 | 307 | my ($self, $file, $user, $epw, $shadow) = @_; |
168d6b07 DM |
308 | |
309 | my $tmpfile = "$file.$$"; | |
310 | ||
311 | eval { | |
f08b2779 | 312 | my $src = $self->ct_open_file_read($file) || |
168d6b07 DM |
313 | die "unable to open file '$file' - $!"; |
314 | ||
f08b2779 | 315 | my $st = $self->ct_stat($src) || |
168d6b07 DM |
316 | die "unable to stat file - $!"; |
317 | ||
f08b2779 | 318 | my $dst = $self->ct_open_file_write($tmpfile) || |
168d6b07 DM |
319 | die "unable to open file '$tmpfile' - $!"; |
320 | ||
321 | # copy owner and permissions | |
322 | chmod $st->mode, $dst; | |
323 | chown $st->uid, $st->gid, $dst; | |
367a7c18 DM |
324 | |
325 | my $last_change = int(time()/(60*60*24)); | |
326 | ||
168d6b07 | 327 | while (defined (my $line = <$src>)) { |
367a7c18 DM |
328 | if ($shadow) { |
329 | $line =~ s/^${user}:[^:]*:[^:]*:/${user}:${epw}:${last_change}:/; | |
330 | } else { | |
331 | $line =~ s/^${user}:[^:]*:/${user}:${epw}:/; | |
332 | } | |
168d6b07 DM |
333 | print $dst $line; |
334 | } | |
335 | ||
336 | $src->close() || die "close '$file' failed - $!\n"; | |
337 | $dst->close() || die "close '$tmpfile' failed - $!\n"; | |
338 | }; | |
339 | if (my $err = $@) { | |
f08b2779 | 340 | $self->ct_unlink($tmpfile); |
168d6b07 | 341 | } else { |
f08b2779 WB |
342 | $self->ct_rename($tmpfile, $file); |
343 | $self->ct_unlink($tmpfile); # in case rename fails | |
168d6b07 DM |
344 | } |
345 | }; | |
346 | ||
347 | sub set_user_password { | |
633a7bd8 | 348 | my ($self, $conf, $user, $opt_password) = @_; |
168d6b07 | 349 | |
f08b2779 | 350 | my $pwfile = "/etc/passwd"; |
168d6b07 | 351 | |
f08b2779 | 352 | return if !$self->ct_file_exists($pwfile); |
168d6b07 | 353 | |
f08b2779 | 354 | my $shadow = "/etc/shadow"; |
168d6b07 DM |
355 | |
356 | if (defined($opt_password)) { | |
a46b2fb3 | 357 | if ($opt_password !~ m/^\$(?:1|2[axy]?|5|6)\$[a-zA-Z0-9.\/]{1,16}\$[a-zA-Z0-9.\/]+$/) { |
168d6b07 | 358 | my $time = substr (Digest::SHA::sha1_base64 (time), 0, 8); |
738076ce | 359 | $opt_password = crypt(encode("utf8", $opt_password), "\$1\$$time\$"); |
168d6b07 DM |
360 | }; |
361 | } else { | |
362 | $opt_password = '*'; | |
363 | } | |
364 | ||
f08b2779 WB |
365 | if ($self->ct_file_exists($shadow)) { |
366 | &$replacepw ($self, $shadow, $user, $opt_password, 1); | |
367 | &$replacepw ($self, $pwfile, $user, 'x'); | |
168d6b07 | 368 | } else { |
f08b2779 | 369 | &$replacepw ($self, $pwfile, $user, $opt_password); |
168d6b07 DM |
370 | } |
371 | } | |
372 | ||
f36ce482 FG |
373 | my $parse_home_dir = sub { |
374 | my ($self, $passwdfile, $user) = @_; | |
375 | ||
376 | my $fh = $self->ct_open_file_read($passwdfile); | |
377 | while (defined (my $line = <$fh>)) { | |
378 | return $2 | |
379 | if $line =~ m/^${user}:([^:]*:){4}([^:]*):/; | |
380 | } | |
381 | }; | |
382 | ||
383 | sub set_user_authorized_ssh_keys { | |
384 | my ($self, $conf, $user, $ssh_keys) = @_; | |
385 | ||
386 | my $passwd = "/etc/passwd"; | |
387 | my $home = $user eq "root" ? "/root/" : "/home/$user/"; | |
388 | ||
389 | $home = &$parse_home_dir($self, $passwd, $user) | |
390 | if $self->ct_file_exists($passwd); | |
391 | ||
392 | die "home directory '$home' of $user does not exist!" | |
393 | if ! ($self->ct_is_directory($home) || $self->ct_is_symlink($home)); | |
394 | ||
395 | $self->ct_mkdir("$home/.ssh", 0700) | |
396 | if ! $self->ct_is_directory("$home/.ssh"); | |
397 | ||
398 | $self->ct_modify_file("$home/.ssh/authorized_keys", $ssh_keys, perms => 0700); | |
399 | } | |
400 | ||
4727bd09 DM |
401 | my $randomize_crontab = sub { |
402 | my ($self, $conf) = @_; | |
403 | ||
b5e62cd0 DM |
404 | my @files; |
405 | # Note: dir_glob_foreach() untaints filenames! | |
f08b2779 | 406 | PVE::Tools::dir_glob_foreach("/etc/cron.d", qr/[A-Z\-\_a-z0-9]+/, sub { |
b5e62cd0 | 407 | my ($name) = @_; |
f08b2779 | 408 | push @files, "/etc/cron.d/$name"; |
b5e62cd0 | 409 | }); |
4727bd09 | 410 | |
f08b2779 WB |
411 | my $crontab_fn = "/etc/crontab"; |
412 | unshift @files, $crontab_fn if $self->ct_file_exists($crontab_fn); | |
4727bd09 DM |
413 | |
414 | foreach my $filename (@files) { | |
f08b2779 | 415 | my $data = $self->ct_file_get_contents($filename); |
4727bd09 DM |
416 | my $new = ''; |
417 | foreach my $line (split(/\n/, $data)) { | |
418 | # we only randomize minutes for root crontab entries | |
419 | if ($line =~ m/^\d+(\s+\S+\s+\S+\s+\S+\s+\S+\s+root\s+\S.*)$/) { | |
420 | my $rest = $1; | |
421 | my $min = int(rand()*59); | |
422 | $new .= "$min$rest\n"; | |
423 | } else { | |
424 | $new .= "$line\n"; | |
425 | } | |
426 | } | |
f08b2779 | 427 | $self->ct_file_set_contents($filename, $new); |
4727bd09 DM |
428 | } |
429 | }; | |
430 | ||
d66768a2 | 431 | sub pre_start_hook { |
633a7bd8 | 432 | my ($self, $conf) = @_; |
d66768a2 | 433 | |
633a7bd8 DM |
434 | $self->setup_init($conf); |
435 | $self->setup_network($conf); | |
436 | $self->set_hostname($conf); | |
437 | $self->set_dns($conf); | |
d66768a2 DM |
438 | |
439 | # fixme: what else ? | |
440 | } | |
441 | ||
442 | sub post_create_hook { | |
f36ce482 | 443 | my ($self, $conf, $root_password, $ssh_keys) = @_; |
d66768a2 | 444 | |
142444d5 | 445 | $self->template_fixup($conf); |
4727bd09 DM |
446 | |
447 | &$randomize_crontab($self, $conf); | |
448 | ||
633a7bd8 | 449 | $self->set_user_password($conf, 'root', $root_password); |
f36ce482 | 450 | $self->set_user_authorized_ssh_keys($conf, 'root', $ssh_keys) if $ssh_keys; |
633a7bd8 DM |
451 | $self->setup_init($conf); |
452 | $self->setup_network($conf); | |
453 | $self->set_hostname($conf); | |
454 | $self->set_dns($conf); | |
168d6b07 | 455 | |
55fa4e09 | 456 | # fixme: what else ? |
1c7f4f65 DM |
457 | } |
458 | ||
f08b2779 WB |
459 | # File access wrappers for container setup code. |
460 | # For user-namespace support these might need to take uid and gid maps into account. | |
461 | ||
bd1dc8d1 WB |
462 | sub ct_is_file_ignored { |
463 | my ($self, $file) = @_; | |
464 | my ($name, $path) = fileparse($file); | |
465 | return -f "$path/.pve-ignore.$name"; | |
466 | } | |
467 | ||
c6a605f9 WB |
468 | sub ct_reset_ownership { |
469 | my ($self, @files) = @_; | |
470 | my $conf = $self->{conf}; | |
471 | return if !$self->{id_map}; | |
bd1dc8d1 WB |
472 | |
473 | @files = grep { !$self->ct_is_file_ignored($_) } @files; | |
474 | return if !@files; | |
475 | ||
c6a605f9 WB |
476 | my $uid = $self->{rootuid}; |
477 | my $gid = $self->{rootgid}; | |
478 | chown($uid, $gid, @files); | |
479 | } | |
480 | ||
2063d380 WB |
481 | sub ct_mkdir { |
482 | my ($self, $file, $mask) = @_; | |
f08b2779 | 483 | # mkdir goes by parameter count - an `undef' mode acts like a mode of 0000 |
c6a605f9 WB |
484 | if (defined($mask)) { |
485 | return CORE::mkdir($file, $mask) && $self->ct_reset_ownership($file); | |
486 | } else { | |
487 | return CORE::mkdir($file) && $self->ct_reset_ownership($file); | |
488 | } | |
2063d380 WB |
489 | } |
490 | ||
491 | sub ct_unlink { | |
f08b2779 WB |
492 | my ($self, @files) = @_; |
493 | foreach my $file (@files) { | |
bd1dc8d1 | 494 | next if $self->ct_is_file_ignored($file); |
f08b2779 WB |
495 | CORE::unlink($file); |
496 | } | |
497 | } | |
498 | ||
499 | sub ct_rename { | |
500 | my ($self, $old, $new) = @_; | |
bd1dc8d1 | 501 | return if $self->ct_is_file_ignored($new); |
f08b2779 | 502 | CORE::rename($old, $new); |
2063d380 WB |
503 | } |
504 | ||
f08b2779 | 505 | sub ct_open_file_read { |
2063d380 | 506 | my $self = shift; |
f08b2779 WB |
507 | my $file = shift; |
508 | return IO::File->new($file, O_RDONLY, @_); | |
2063d380 WB |
509 | } |
510 | ||
f08b2779 | 511 | sub ct_open_file_write { |
2063d380 | 512 | my $self = shift; |
f08b2779 | 513 | my $file = shift; |
bd1dc8d1 | 514 | $file = '/dev/null' if $self->ct_is_file_ignored($file); |
c6a605f9 WB |
515 | my $fh = IO::File->new($file, O_WRONLY | O_CREAT, @_); |
516 | $self->ct_reset_ownership($fh); | |
517 | return $fh; | |
2063d380 WB |
518 | } |
519 | ||
f08b2779 | 520 | sub ct_make_path { |
2063d380 | 521 | my $self = shift; |
c6a605f9 WB |
522 | if ($self->{id_map}) { |
523 | my $opts = pop; | |
524 | if (ref($opts) eq 'HASH') { | |
525 | $opts->{owner} = $self->{rootuid} if !defined($self->{owner}); | |
526 | $opts->{group} = $self->{rootgid} if !defined($self->{group}); | |
527 | } | |
528 | File::Path::make_path(@_, $opts); | |
529 | } else { | |
530 | File::Path::make_path(@_); | |
531 | } | |
2063d380 WB |
532 | } |
533 | ||
534 | sub ct_symlink { | |
535 | my ($self, $old, $new) = @_; | |
bd1dc8d1 | 536 | return if $self->ct_is_file_ignored($new); |
f08b2779 | 537 | return CORE::symlink($old, $new); |
2063d380 WB |
538 | } |
539 | ||
8f115f7c WB |
540 | sub ct_readlink { |
541 | my ($self, $name) = @_; | |
542 | return CORE::readlink($name); | |
543 | } | |
544 | ||
2063d380 WB |
545 | sub ct_file_exists { |
546 | my ($self, $file) = @_; | |
f08b2779 WB |
547 | return -f $file; |
548 | } | |
549 | ||
550 | sub ct_is_directory { | |
551 | my ($self, $file) = @_; | |
552 | return -d $file; | |
553 | } | |
554 | ||
555 | sub ct_is_symlink { | |
556 | my ($self, $file) = @_; | |
557 | return -l $file; | |
558 | } | |
559 | ||
e7deac01 WB |
560 | sub ct_is_executable { |
561 | my ($self, $file) = @_; | |
562 | return -x $file | |
563 | } | |
564 | ||
f08b2779 WB |
565 | sub ct_stat { |
566 | my ($self, $file) = @_; | |
567 | return File::stat::stat($file); | |
2063d380 WB |
568 | } |
569 | ||
570 | sub ct_file_read_firstline { | |
571 | my ($self, $file) = @_; | |
f08b2779 | 572 | return PVE::Tools::file_read_firstline($file); |
2063d380 WB |
573 | } |
574 | ||
575 | sub ct_file_get_contents { | |
576 | my ($self, $file) = @_; | |
f08b2779 | 577 | return PVE::Tools::file_get_contents($file); |
2063d380 WB |
578 | } |
579 | ||
580 | sub ct_file_set_contents { | |
39243220 | 581 | my ($self, $file, $data, $perms) = @_; |
bd1dc8d1 | 582 | return if $self->ct_is_file_ignored($file); |
c6a605f9 WB |
583 | PVE::Tools::file_set_contents($file, $data, $perms); |
584 | $self->ct_reset_ownership($file); | |
2063d380 WB |
585 | } |
586 | ||
2edb50e5 WB |
587 | # Modify a marked portion of a file. |
588 | # Optionally if the file becomes empty it will be deleted. | |
589 | sub ct_modify_file { | |
590 | my ($self, $file, $data, %options) = @_; | |
bd1dc8d1 | 591 | return if $self->ct_is_file_ignored($file); |
2edb50e5 WB |
592 | |
593 | my $head = "# --- BEGIN PVE ---\n"; | |
594 | my $tail = "# --- END PVE ---\n"; | |
be7ee97a | 595 | my $perms = $options{perms}; |
a5a4b5aa | 596 | $data .= "\n" if $data && $data !~ /\n$/; |
2edb50e5 WB |
597 | |
598 | if (!$self->ct_file_exists($file)) { | |
be7ee97a | 599 | $self->ct_file_set_contents($file, $head.$data.$tail, $perms) if $data; |
2edb50e5 WB |
600 | return; |
601 | } | |
602 | ||
603 | my $old = $self->ct_file_get_contents($file); | |
604 | my @lines = split(/\n/, $old); | |
605 | ||
606 | my ($beg, $end); | |
607 | foreach my $i (0..(@lines-1)) { | |
608 | my $line = $lines[$i]; | |
609 | $beg = $i if !defined($beg) && | |
610 | $line =~ /^#\s*---\s*BEGIN\s*PVE\s*/; | |
611 | $end = $i if !defined($end) && defined($beg) && | |
612 | $line =~ /^#\s*---\s*END\s*PVE\s*/i; | |
613 | last if defined($beg) && defined($end); | |
614 | } | |
615 | ||
616 | if (defined($beg) && defined($end)) { | |
617 | # Found a section | |
618 | if ($data) { | |
619 | chomp $tail; | |
620 | splice @lines, $beg, $end-$beg+1, $head.$data.$tail; | |
fa7cb12b | 621 | } else { |
2edb50e5 WB |
622 | if ($beg == 0 && $end == (@lines-1)) { |
623 | $self->ct_unlink($file) if $options{delete}; | |
624 | return; | |
625 | } | |
626 | splice @lines, $beg, $end-$beg+1, $head.$data.$tail; | |
627 | } | |
628 | $self->ct_file_set_contents($file, join("\n", @lines) . "\n"); | |
629 | } elsif ($data) { | |
630 | # No section found | |
631 | my $content = join("\n", @lines); | |
632 | chomp $content; | |
633 | if (!$content && !$data && $options{delete}) { | |
fa7cb12b | 634 | $self->ct_unlink($file); |
2edb50e5 WB |
635 | return; |
636 | } | |
637 | $content .= "\n"; | |
638 | $data = $head.$data.$tail; | |
639 | if ($options{replace}) { | |
be7ee97a | 640 | $self->ct_file_set_contents($file, $data, $perms); |
2edb50e5 | 641 | } elsif ($options{prepend}) { |
be7ee97a | 642 | $self->ct_file_set_contents($file, $data . $content, $perms); |
2edb50e5 | 643 | } else { # append |
be7ee97a | 644 | $self->ct_file_set_contents($file, $content . $data, $perms); |
fa7cb12b | 645 | } |
fa7cb12b WB |
646 | } |
647 | } | |
648 | ||
9096a91d WB |
649 | sub remove_pve_sections { |
650 | my ($data) = @_; | |
651 | ||
652 | my $head = "# --- BEGIN PVE ---"; | |
653 | my $tail = "# --- END PVE ---"; | |
654 | ||
655 | # Remove the sections enclosed with the above headers and footers. | |
656 | # from a line (^) starting with '\h*$head' | |
657 | # to a line (the other ^) starting with '\h*$tail' up to including that | |
658 | # line's end (.*?$). | |
659 | return $data =~ s/^\h*\Q$head\E.*^\h*\Q$tail\E.*?$//rgms; | |
660 | } | |
661 | ||
1c7f4f65 | 662 | 1; |