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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; |
168d6b07 | 13 | |
b9cd9975 | 14 | use PVE::INotify; |
55fa4e09 | 15 | use PVE::Tools; |
4401b7d4 | 16 | use PVE::Network; |
55fa4e09 | 17 | |
633a7bd8 | 18 | sub new { |
5b4657d0 | 19 | my ($class, $conf, $rootdir) = @_; |
633a7bd8 | 20 | |
5b4657d0 | 21 | return bless { conf => $conf, rootdir => $rootdir }, $class; |
633a7bd8 | 22 | } |
b9cd9975 | 23 | |
c0eae401 | 24 | sub lookup_dns_conf { |
23d928a1 | 25 | my ($self, $conf) = @_; |
b9cd9975 | 26 | |
27916659 DM |
27 | my $nameserver = $conf->{nameserver}; |
28 | my $searchdomains = $conf->{searchdomain}; | |
b9cd9975 DM |
29 | |
30 | if (!($nameserver && $searchdomains)) { | |
31 | ||
27916659 | 32 | if ($conf->{'testmode'}) { |
b9cd9975 DM |
33 | |
34 | $nameserver = "8.8.8.8 8.8.8.9"; | |
e03c2cc7 | 35 | $searchdomains = "proxmox.com"; |
b9cd9975 DM |
36 | |
37 | } else { | |
38 | ||
23d928a1 | 39 | my $host_resolv_conf = $self->{host_resolv_conf}; |
b9cd9975 DM |
40 | |
41 | $searchdomains = $host_resolv_conf->{search}; | |
42 | ||
43 | my @list = (); | |
44 | foreach my $k ("dns1", "dns2", "dns3") { | |
45 | if (my $ns = $host_resolv_conf->{$k}) { | |
46 | push @list, $ns; | |
47 | } | |
48 | } | |
49 | $nameserver = join(' ', @list); | |
50 | } | |
51 | } | |
52 | ||
53 | return ($searchdomains, $nameserver); | |
c0eae401 | 54 | } |
b9cd9975 | 55 | |
c0eae401 | 56 | sub update_etc_hosts { |
e4929e97 | 57 | my ($etc_hosts_data, $hostip, $oldname, $newname, $searchdomains) = @_; |
1c7f4f65 | 58 | |
1c7f4f65 DM |
59 | my $done = 0; |
60 | ||
61 | my @lines; | |
e4929e97 | 62 | |
ce289e3c WB |
63 | my $namepart = ($newname =~ s/\..*$//r); |
64 | ||
e4929e97 | 65 | my $extra_names = ''; |
ce289e3c WB |
66 | if ($newname =~ /\./) { |
67 | $extra_names .= $namepart; | |
68 | } else { | |
69 | foreach my $domain (PVE::Tools::split_list($searchdomains)) { | |
70 | $extra_names .= ' ' if $extra_names; | |
71 | $extra_names .= "$newname.$domain"; | |
72 | } | |
e4929e97 | 73 | } |
1c7f4f65 DM |
74 | |
75 | foreach my $line (split(/\n/, $etc_hosts_data)) { | |
76 | if ($line =~ m/^#/ || $line =~ m/^\s*$/) { | |
77 | push @lines, $line; | |
78 | next; | |
79 | } | |
80 | ||
81 | my ($ip, @names) = split(/\s+/, $line); | |
82 | if (($ip eq '127.0.0.1') || ($ip eq '::1')) { | |
83 | push @lines, $line; | |
84 | next; | |
85 | } | |
c325b32f | 86 | |
1c7f4f65 DM |
87 | my $found = 0; |
88 | foreach my $name (@names) { | |
89 | if ($name eq $oldname || $name eq $newname) { | |
90 | $found = 1; | |
91 | } else { | |
92 | # fixme: record extra names? | |
93 | } | |
94 | } | |
95 | $found = 1 if defined($hostip) && ($ip eq $hostip); | |
96 | ||
97 | if ($found) { | |
98 | if (!$done) { | |
99 | if (defined($hostip)) { | |
c325b32f | 100 | push @lines, "$hostip $extra_names $newname"; |
1c7f4f65 | 101 | } else { |
ce289e3c | 102 | push @lines, "127.0.1.1 $namepart"; |
1c7f4f65 DM |
103 | } |
104 | $done = 1; | |
105 | } | |
106 | next; | |
107 | } else { | |
108 | push @lines, $line; | |
109 | } | |
110 | } | |
111 | ||
112 | if (!$done) { | |
113 | if (defined($hostip)) { | |
e4929e97 | 114 | push @lines, "$hostip $extra_names $newname"; |
1c7f4f65 | 115 | } else { |
ce289e3c | 116 | push @lines, "127.0.1.1 $namepart"; |
1c7f4f65 DM |
117 | } |
118 | } | |
119 | ||
1e180f97 DM |
120 | my $found_localhost = 0; |
121 | foreach my $line (@lines) { | |
122 | if ($line =~ m/^127.0.0.1\s/) { | |
123 | $found_localhost = 1; | |
124 | last; | |
125 | } | |
126 | } | |
127 | ||
128 | if (!$found_localhost) { | |
129 | unshift @lines, "127.0.0.1 localhost.localnet localhost"; | |
130 | } | |
131 | ||
1c7f4f65 DM |
132 | $etc_hosts_data = join("\n", @lines) . "\n"; |
133 | ||
134 | return $etc_hosts_data; | |
c0eae401 | 135 | } |
1c7f4f65 | 136 | |
142444d5 DM |
137 | sub template_fixup { |
138 | my ($self, $conf) = @_; | |
139 | ||
140 | # do nothing by default | |
141 | } | |
142 | ||
c325b32f | 143 | sub set_dns { |
633a7bd8 | 144 | my ($self, $conf) = @_; |
c325b32f | 145 | |
23d928a1 | 146 | my ($searchdomains, $nameserver) = $self->lookup_dns_conf($conf); |
c325b32f | 147 | |
c325b32f DM |
148 | my $data = ''; |
149 | ||
150 | $data .= "search " . join(' ', PVE::Tools::split_list($searchdomains)) . "\n" | |
151 | if $searchdomains; | |
152 | ||
153 | foreach my $ns ( PVE::Tools::split_list($nameserver)) { | |
154 | $data .= "nameserver $ns\n"; | |
155 | } | |
156 | ||
f08b2779 | 157 | $self->ct_file_set_contents("/etc/resolv.conf", $data); |
c325b32f DM |
158 | } |
159 | ||
1c7f4f65 | 160 | sub set_hostname { |
633a7bd8 | 161 | my ($self, $conf) = @_; |
1c7f4f65 | 162 | |
27916659 | 163 | my $hostname = $conf->{hostname} || 'localhost'; |
1c7f4f65 | 164 | |
ce289e3c | 165 | my $namepart = ($hostname =~ s/\..*$//r); |
1c7f4f65 | 166 | |
f08b2779 | 167 | my $hostname_fn = "/etc/hostname"; |
1c7f4f65 | 168 | |
f08b2779 | 169 | my $oldname = $self->ct_file_read_firstline($hostname_fn) || 'localhost'; |
1c7f4f65 | 170 | |
f08b2779 | 171 | my $hosts_fn = "/etc/hosts"; |
1c7f4f65 DM |
172 | my $etc_hosts_data = ''; |
173 | ||
f08b2779 WB |
174 | if ($self->ct_file_exists($hosts_fn)) { |
175 | $etc_hosts_data = $self->ct_file_get_contents($hosts_fn); | |
1c7f4f65 DM |
176 | } |
177 | ||
c325b32f DM |
178 | my ($ipv4, $ipv6) = PVE::LXC::get_primary_ips($conf); |
179 | my $hostip = $ipv4 || $ipv6; | |
b9cd9975 | 180 | |
23d928a1 | 181 | my ($searchdomains) = $self->lookup_dns_conf($conf); |
b9cd9975 | 182 | |
c0eae401 DM |
183 | $etc_hosts_data = update_etc_hosts($etc_hosts_data, $hostip, $oldname, |
184 | $hostname, $searchdomains); | |
b9cd9975 | 185 | |
ce289e3c | 186 | $self->ct_file_set_contents($hostname_fn, "$namepart\n"); |
f08b2779 | 187 | $self->ct_file_set_contents($hosts_fn, $etc_hosts_data); |
1c7f4f65 DM |
188 | } |
189 | ||
55fa4e09 | 190 | sub setup_network { |
633a7bd8 | 191 | my ($self, $conf) = @_; |
55fa4e09 DM |
192 | |
193 | die "please implement this inside subclass" | |
194 | } | |
195 | ||
d66768a2 | 196 | sub setup_init { |
633a7bd8 | 197 | my ($self, $conf) = @_; |
1c7f4f65 | 198 | |
d66768a2 DM |
199 | die "please implement this inside subclass" |
200 | } | |
201 | ||
9143dec4 DM |
202 | sub setup_systemd_console { |
203 | my ($self, $conf) = @_; | |
204 | ||
f08b2779 | 205 | my $systemd_dir_rel = -x "/lib/systemd/systemd" ? |
9143dec4 DM |
206 | "/lib/systemd/system" : "/usr/lib/systemd/system"; |
207 | ||
9143dec4 DM |
208 | my $systemd_getty_service_rel = "$systemd_dir_rel/getty\@.service"; |
209 | ||
f08b2779 | 210 | return if !$self->ct_file_exists($systemd_getty_service_rel); |
9143dec4 | 211 | |
f08b2779 | 212 | my $raw = $self->ct_file_get_contents($systemd_getty_service_rel); |
9143dec4 | 213 | |
c69ae0d0 | 214 | my $systemd_container_getty_service_rel = "$systemd_dir_rel/container-getty\@.service"; |
c69ae0d0 DM |
215 | |
216 | # systemd on CenoOS 7.1 is too old (version 205), so there is no | |
217 | # container-getty service | |
f08b2779 | 218 | if (!$self->ct_file_exists($systemd_container_getty_service_rel)) { |
c69ae0d0 | 219 | if ($raw =~ s!^ConditionPathExists=/dev/tty0$!ConditionPathExists=/dev/tty!m) { |
f08b2779 | 220 | $self->ct_file_set_contents($systemd_getty_service_rel, $raw); |
c69ae0d0 DM |
221 | } |
222 | } else { | |
223 | # undo above change (in case someone updated systemd) | |
224 | if ($raw =~ s!^ConditionPathExists=/dev/tty$!ConditionPathExists=/dev/tty0!m) { | |
f08b2779 | 225 | $self->ct_file_set_contents($systemd_getty_service_rel, $raw); |
c69ae0d0 | 226 | } |
9143dec4 DM |
227 | } |
228 | ||
0d0ca400 | 229 | my $ttycount = PVE::LXC::get_tty_count($conf); |
9143dec4 DM |
230 | |
231 | for (my $i = 1; $i < 7; $i++) { | |
f08b2779 | 232 | my $tty_service_lnk = "/etc/systemd/system/getty.target.wants/getty\@tty$i.service"; |
9143dec4 | 233 | if ($i > $ttycount) { |
f08b2779 | 234 | $self->ct_unlink($tty_service_lnk); |
9143dec4 | 235 | } else { |
f08b2779 WB |
236 | if (!$self->ct_is_symlink($tty_service_lnk)) { |
237 | $self->ct_unlink($tty_service_lnk); | |
238 | $self->ct_symlink($systemd_getty_service_rel, $tty_service_lnk); | |
9143dec4 DM |
239 | } |
240 | } | |
241 | } | |
242 | } | |
243 | ||
c1d32b55 WB |
244 | sub setup_systemd_networkd { |
245 | my ($self, $conf) = @_; | |
246 | ||
c1d32b55 WB |
247 | foreach my $k (keys %$conf) { |
248 | next if $k !~ m/^net(\d+)$/; | |
249 | my $d = PVE::LXC::parse_lxc_network($conf->{$k}); | |
250 | next if !$d->{name}; | |
251 | ||
f08b2779 | 252 | my $filename = "/etc/systemd/network/$d->{name}.network"; |
c1d32b55 WB |
253 | |
254 | my $data = <<"DATA"; | |
255 | [Match] | |
256 | Name = $d->{name} | |
257 | ||
258 | [Network] | |
259 | Description = Interface $d->{name} autoconfigured by PVE | |
260 | DATA | |
4401b7d4 WB |
261 | |
262 | my $routes = ''; | |
263 | my ($has_ipv4, $has_ipv6); | |
264 | ||
c1d32b55 WB |
265 | # DHCP bitflags: |
266 | my @DHCPMODES = ('none', 'v4', 'v6', 'both'); | |
267 | my ($NONE, $DHCP4, $DHCP6, $BOTH) = (0, 1, 2, 3); | |
268 | my $dhcp = $NONE; | |
269 | ||
270 | if (defined(my $ip = $d->{ip})) { | |
271 | if ($ip eq 'dhcp') { | |
272 | $dhcp |= $DHCP4; | |
273 | } elsif ($ip ne 'manual') { | |
4401b7d4 | 274 | $has_ipv4 = 1; |
c1d32b55 WB |
275 | $data .= "Address = $ip\n"; |
276 | } | |
277 | } | |
278 | if (defined(my $gw = $d->{gw})) { | |
279 | $data .= "Gateway = $gw\n"; | |
4401b7d4 WB |
280 | if ($has_ipv4 && !PVE::Network::is_ip_in_cidr($gw, $d->{ip}, 4)) { |
281 | $routes .= "\n[Route]\nDestination = $gw/32\nScope = link\n"; | |
282 | } | |
c1d32b55 WB |
283 | } |
284 | ||
285 | if (defined(my $ip = $d->{ip6})) { | |
286 | if ($ip eq 'dhcp') { | |
287 | $dhcp |= $DHCP6; | |
288 | } elsif ($ip ne 'manual') { | |
4401b7d4 | 289 | $has_ipv6 = 1; |
c1d32b55 WB |
290 | $data .= "Address = $ip\n"; |
291 | } | |
292 | } | |
293 | if (defined(my $gw = $d->{gw6})) { | |
294 | $data .= "Gateway = $gw\n"; | |
4401b7d4 WB |
295 | if ($has_ipv6 && !PVE::Network::is_ip_in_cidr($gw, $d->{ip6}, 6)) { |
296 | $routes .= "\n[Route]\nDestination = $gw/128\nScope = link\n"; | |
297 | } | |
c1d32b55 WB |
298 | } |
299 | ||
300 | $data .= "DHCP = $DHCPMODES[$dhcp]\n"; | |
4401b7d4 | 301 | $data .= $routes if $routes; |
c1d32b55 | 302 | |
f08b2779 | 303 | $self->ct_file_set_contents($filename, $data); |
c1d32b55 | 304 | } |
b7cd927f WB |
305 | } |
306 | ||
307 | sub setup_securetty { | |
308 | my ($self, $conf, @add) = @_; | |
c1d32b55 | 309 | |
f08b2779 WB |
310 | my $filename = "/etc/securetty"; |
311 | my $data = $self->ct_file_get_contents($filename); | |
b7cd927f WB |
312 | chomp $data; $data .= "\n"; |
313 | foreach my $dev (@add) { | |
314 | if ($data !~ m!^\Q$dev\E\s*$!m) { | |
315 | $data .= "$dev\n"; | |
316 | } | |
317 | } | |
f08b2779 | 318 | $self->ct_file_set_contents($filename, $data); |
c1d32b55 WB |
319 | } |
320 | ||
168d6b07 | 321 | my $replacepw = sub { |
f08b2779 | 322 | my ($self, $file, $user, $epw, $shadow) = @_; |
168d6b07 DM |
323 | |
324 | my $tmpfile = "$file.$$"; | |
325 | ||
326 | eval { | |
f08b2779 | 327 | my $src = $self->ct_open_file_read($file) || |
168d6b07 DM |
328 | die "unable to open file '$file' - $!"; |
329 | ||
f08b2779 | 330 | my $st = $self->ct_stat($src) || |
168d6b07 DM |
331 | die "unable to stat file - $!"; |
332 | ||
f08b2779 | 333 | my $dst = $self->ct_open_file_write($tmpfile) || |
168d6b07 DM |
334 | die "unable to open file '$tmpfile' - $!"; |
335 | ||
336 | # copy owner and permissions | |
337 | chmod $st->mode, $dst; | |
338 | chown $st->uid, $st->gid, $dst; | |
367a7c18 DM |
339 | |
340 | my $last_change = int(time()/(60*60*24)); | |
341 | ||
342 | if ($epw =~ m/^\$TEST\$/) { # for regression tests | |
343 | $last_change = 12345; | |
344 | } | |
168d6b07 DM |
345 | |
346 | while (defined (my $line = <$src>)) { | |
367a7c18 DM |
347 | if ($shadow) { |
348 | $line =~ s/^${user}:[^:]*:[^:]*:/${user}:${epw}:${last_change}:/; | |
349 | } else { | |
350 | $line =~ s/^${user}:[^:]*:/${user}:${epw}:/; | |
351 | } | |
168d6b07 DM |
352 | print $dst $line; |
353 | } | |
354 | ||
355 | $src->close() || die "close '$file' failed - $!\n"; | |
356 | $dst->close() || die "close '$tmpfile' failed - $!\n"; | |
357 | }; | |
358 | if (my $err = $@) { | |
f08b2779 | 359 | $self->ct_unlink($tmpfile); |
168d6b07 | 360 | } else { |
f08b2779 WB |
361 | $self->ct_rename($tmpfile, $file); |
362 | $self->ct_unlink($tmpfile); # in case rename fails | |
168d6b07 DM |
363 | } |
364 | }; | |
365 | ||
366 | sub set_user_password { | |
633a7bd8 | 367 | my ($self, $conf, $user, $opt_password) = @_; |
168d6b07 | 368 | |
f08b2779 | 369 | my $pwfile = "/etc/passwd"; |
168d6b07 | 370 | |
f08b2779 | 371 | return if !$self->ct_file_exists($pwfile); |
168d6b07 | 372 | |
f08b2779 | 373 | my $shadow = "/etc/shadow"; |
168d6b07 DM |
374 | |
375 | if (defined($opt_password)) { | |
376 | if ($opt_password !~ m/^\$/) { | |
377 | my $time = substr (Digest::SHA::sha1_base64 (time), 0, 8); | |
378 | $opt_password = crypt(encode("utf8", $opt_password), "\$1\$$time\$"); | |
379 | }; | |
380 | } else { | |
381 | $opt_password = '*'; | |
382 | } | |
383 | ||
f08b2779 WB |
384 | if ($self->ct_file_exists($shadow)) { |
385 | &$replacepw ($self, $shadow, $user, $opt_password, 1); | |
386 | &$replacepw ($self, $pwfile, $user, 'x'); | |
168d6b07 | 387 | } else { |
f08b2779 | 388 | &$replacepw ($self, $pwfile, $user, $opt_password); |
168d6b07 DM |
389 | } |
390 | } | |
391 | ||
4727bd09 DM |
392 | my $randomize_crontab = sub { |
393 | my ($self, $conf) = @_; | |
394 | ||
b5e62cd0 DM |
395 | my @files; |
396 | # Note: dir_glob_foreach() untaints filenames! | |
f08b2779 | 397 | PVE::Tools::dir_glob_foreach("/etc/cron.d", qr/[A-Z\-\_a-z0-9]+/, sub { |
b5e62cd0 | 398 | my ($name) = @_; |
f08b2779 | 399 | push @files, "/etc/cron.d/$name"; |
b5e62cd0 | 400 | }); |
4727bd09 | 401 | |
f08b2779 WB |
402 | my $crontab_fn = "/etc/crontab"; |
403 | unshift @files, $crontab_fn if $self->ct_file_exists($crontab_fn); | |
4727bd09 DM |
404 | |
405 | foreach my $filename (@files) { | |
f08b2779 | 406 | my $data = $self->ct_file_get_contents($filename); |
4727bd09 DM |
407 | my $new = ''; |
408 | foreach my $line (split(/\n/, $data)) { | |
409 | # we only randomize minutes for root crontab entries | |
410 | if ($line =~ m/^\d+(\s+\S+\s+\S+\s+\S+\s+\S+\s+root\s+\S.*)$/) { | |
411 | my $rest = $1; | |
412 | my $min = int(rand()*59); | |
413 | $new .= "$min$rest\n"; | |
414 | } else { | |
415 | $new .= "$line\n"; | |
416 | } | |
417 | } | |
f08b2779 | 418 | $self->ct_file_set_contents($filename, $new); |
4727bd09 DM |
419 | } |
420 | }; | |
421 | ||
d66768a2 | 422 | sub pre_start_hook { |
633a7bd8 | 423 | my ($self, $conf) = @_; |
d66768a2 | 424 | |
633a7bd8 DM |
425 | $self->setup_init($conf); |
426 | $self->setup_network($conf); | |
427 | $self->set_hostname($conf); | |
428 | $self->set_dns($conf); | |
d66768a2 DM |
429 | |
430 | # fixme: what else ? | |
431 | } | |
432 | ||
433 | sub post_create_hook { | |
633a7bd8 | 434 | my ($self, $conf, $root_password) = @_; |
d66768a2 | 435 | |
142444d5 | 436 | $self->template_fixup($conf); |
4727bd09 DM |
437 | |
438 | &$randomize_crontab($self, $conf); | |
439 | ||
633a7bd8 DM |
440 | $self->set_user_password($conf, 'root', $root_password); |
441 | $self->setup_init($conf); | |
442 | $self->setup_network($conf); | |
443 | $self->set_hostname($conf); | |
444 | $self->set_dns($conf); | |
168d6b07 | 445 | |
55fa4e09 | 446 | # fixme: what else ? |
1c7f4f65 DM |
447 | } |
448 | ||
f08b2779 WB |
449 | # File access wrappers for container setup code. |
450 | # For user-namespace support these might need to take uid and gid maps into account. | |
451 | ||
c6a605f9 WB |
452 | sub ct_reset_ownership { |
453 | my ($self, @files) = @_; | |
454 | my $conf = $self->{conf}; | |
455 | return if !$self->{id_map}; | |
456 | my $uid = $self->{rootuid}; | |
457 | my $gid = $self->{rootgid}; | |
458 | chown($uid, $gid, @files); | |
459 | } | |
460 | ||
2063d380 WB |
461 | sub ct_mkdir { |
462 | my ($self, $file, $mask) = @_; | |
f08b2779 | 463 | # mkdir goes by parameter count - an `undef' mode acts like a mode of 0000 |
c6a605f9 WB |
464 | if (defined($mask)) { |
465 | return CORE::mkdir($file, $mask) && $self->ct_reset_ownership($file); | |
466 | } else { | |
467 | return CORE::mkdir($file) && $self->ct_reset_ownership($file); | |
468 | } | |
2063d380 WB |
469 | } |
470 | ||
471 | sub ct_unlink { | |
f08b2779 WB |
472 | my ($self, @files) = @_; |
473 | foreach my $file (@files) { | |
474 | CORE::unlink($file); | |
475 | } | |
476 | } | |
477 | ||
478 | sub ct_rename { | |
479 | my ($self, $old, $new) = @_; | |
480 | CORE::rename($old, $new); | |
2063d380 WB |
481 | } |
482 | ||
f08b2779 | 483 | sub ct_open_file_read { |
2063d380 | 484 | my $self = shift; |
f08b2779 WB |
485 | my $file = shift; |
486 | return IO::File->new($file, O_RDONLY, @_); | |
2063d380 WB |
487 | } |
488 | ||
f08b2779 | 489 | sub ct_open_file_write { |
2063d380 | 490 | my $self = shift; |
f08b2779 | 491 | my $file = shift; |
c6a605f9 WB |
492 | my $fh = IO::File->new($file, O_WRONLY | O_CREAT, @_); |
493 | $self->ct_reset_ownership($fh); | |
494 | return $fh; | |
2063d380 WB |
495 | } |
496 | ||
f08b2779 | 497 | sub ct_make_path { |
2063d380 | 498 | my $self = shift; |
c6a605f9 WB |
499 | if ($self->{id_map}) { |
500 | my $opts = pop; | |
501 | if (ref($opts) eq 'HASH') { | |
502 | $opts->{owner} = $self->{rootuid} if !defined($self->{owner}); | |
503 | $opts->{group} = $self->{rootgid} if !defined($self->{group}); | |
504 | } | |
505 | File::Path::make_path(@_, $opts); | |
506 | } else { | |
507 | File::Path::make_path(@_); | |
508 | } | |
2063d380 WB |
509 | } |
510 | ||
511 | sub ct_symlink { | |
512 | my ($self, $old, $new) = @_; | |
f08b2779 | 513 | return CORE::symlink($old, $new); |
2063d380 WB |
514 | } |
515 | ||
516 | sub ct_file_exists { | |
517 | my ($self, $file) = @_; | |
f08b2779 WB |
518 | return -f $file; |
519 | } | |
520 | ||
521 | sub ct_is_directory { | |
522 | my ($self, $file) = @_; | |
523 | return -d $file; | |
524 | } | |
525 | ||
526 | sub ct_is_symlink { | |
527 | my ($self, $file) = @_; | |
528 | return -l $file; | |
529 | } | |
530 | ||
531 | sub ct_stat { | |
532 | my ($self, $file) = @_; | |
533 | return File::stat::stat($file); | |
2063d380 WB |
534 | } |
535 | ||
536 | sub ct_file_read_firstline { | |
537 | my ($self, $file) = @_; | |
f08b2779 | 538 | return PVE::Tools::file_read_firstline($file); |
2063d380 WB |
539 | } |
540 | ||
541 | sub ct_file_get_contents { | |
542 | my ($self, $file) = @_; | |
f08b2779 | 543 | return PVE::Tools::file_get_contents($file); |
2063d380 WB |
544 | } |
545 | ||
546 | sub ct_file_set_contents { | |
39243220 | 547 | my ($self, $file, $data, $perms) = @_; |
c6a605f9 WB |
548 | PVE::Tools::file_set_contents($file, $data, $perms); |
549 | $self->ct_reset_ownership($file); | |
2063d380 WB |
550 | } |
551 | ||
1c7f4f65 | 552 | 1; |