1 package PVE
::AccessControl
;
6 use Crypt
::OpenSSL
::Random
;
7 use Crypt
::OpenSSL
::RSA
;
11 use PVE
::Tools
qw(run_command lock_file file_get_contents split_list safe_print);
12 use PVE
::Cluster
qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file);
15 use PVE
::Auth
::Plugin
;
21 use Data
::Dumper
; # fixme: remove
23 # load and initialize all plugins
25 PVE
::Auth
::AD-
>register();
26 PVE
::Auth
::LDAP-
>register();
27 PVE
::Auth
::PVE-
>register();
28 PVE
::Auth
::PAM-
>register();
29 PVE
::Auth
::Plugin-
>init();
31 # $authdir must be writable by root only!
32 my $confdir = "/etc/pve";
33 my $authdir = "$confdir/priv";
34 my $authprivkeyfn = "$authdir/authkey.key";
35 my $authpubkeyfn = "$confdir/authkey.pub";
36 my $pve_www_key_fn = "$confdir/pve-www.key";
38 my $ticket_lifetime = 3600*2; # 2 hours
40 Crypt
::OpenSSL
::RSA-
>import_random_seed();
42 cfs_register_file
('user.cfg',
48 PVE
::Auth
::Plugin
::verify_username
(@_);
51 sub pve_verify_realm
{
52 PVE
::Auth
::Plugin
::pve_verify_realm
(@_);
55 sub lock_user_config
{
56 my ($code, $errmsg) = @_;
58 cfs_lock_file
("user.cfg", undef, $code);
60 $errmsg ?
die "$errmsg: $err" : die $err;
67 return $pve_auth_pub_key if $pve_auth_pub_key;
69 my $input = PVE
::Tools
::file_get_contents
($authpubkeyfn);
71 $pve_auth_pub_key = Crypt
::OpenSSL
::RSA-
>new_public_key($input);
73 return $pve_auth_pub_key;
76 my $csrf_prevention_secret;
77 my $get_csrfr_secret = sub {
78 if (!$csrf_prevention_secret) {
79 my $input = PVE
::Tools
::file_get_contents
($pve_www_key_fn);
80 $csrf_prevention_secret = Digest
::SHA
::sha1_base64
($input);
82 return $csrf_prevention_secret;
85 sub assemble_csrf_prevention_token
{
88 my $timestamp = sprintf("%08X", time());
90 my $digest = Digest
::SHA
::sha1_base64
("$timestamp:$username", &$get_csrfr_secret());
92 return "$timestamp:$digest";
95 sub verify_csrf_prevention_token
{
96 my ($username, $token, $noerr) = @_;
98 if ($token =~ m/^([A-Z0-9]{8}):(\S+)$/) {
101 my $ttime = hex($timestamp);
103 my $digest = Digest
::SHA
::sha1_base64
("$timestamp:$username", &$get_csrfr_secret());
105 my $age = time() - $ttime;
106 return if ($digest eq $sig) && ($age > -300) && ($age < $ticket_lifetime);
109 die "Permission denied - invalid csrf token\n" if !$noerr;
114 my $pve_auth_priv_key;
117 return $pve_auth_priv_key if $pve_auth_priv_key;
119 my $input = PVE
::Tools
::file_get_contents
($authprivkeyfn);
121 $pve_auth_priv_key = Crypt
::OpenSSL
::RSA-
>new_private_key($input);
123 return $pve_auth_priv_key;
126 sub assemble_ticket
{
129 my $rsa_priv = get_privkey
();
131 my $timestamp = sprintf("%08X", time());
133 my $plain = "PVE:$username:$timestamp";
135 my $ticket = $plain . "::" . encode_base64
($rsa_priv->sign($plain), '');
141 my ($ticket, $noerr) = @_;
143 if ($ticket && $ticket =~ m/^(PVE:\S+)::([^:\s]+)$/) {
147 my $rsa_pub = get_pubkey
();
148 if ($rsa_pub->verify($plain, decode_base64
($sig))) {
149 if ($plain =~ m/^PVE:(\S+):([A-Z0-9]{8})$/) {
152 my $ttime = hex($timestamp);
154 my $age = time() - $ttime;
156 if (PVE
::Auth
::Plugin
::verify_username
($username, 1) &&
157 ($age > -300) && ($age < $ticket_lifetime)) {
158 return wantarray ?
($username, $age) : $username;
164 die "permission denied - invalid ticket\n" if !$noerr;
170 # - they do not contain the username in plain text
171 # - they are restricted to a specific resource path (example: '/vms/100')
172 sub assemble_vnc_ticket
{
173 my ($username, $path) = @_;
175 my $rsa_priv = get_privkey
();
177 my $timestamp = sprintf("%08X", time());
179 my $plain = "PVEVNC:$timestamp";
181 $path = normalize_path
($path);
183 my $full = "$plain:$username:$path";
185 my $ticket = $plain . "::" . encode_base64
($rsa_priv->sign($full), '');
190 sub verify_vnc_ticket
{
191 my ($ticket, $username, $path, $noerr) = @_;
193 if ($ticket && $ticket =~ m/^(PVEVNC:\S+)::([^:\s]+)$/) {
196 my $full = "$plain:$username:$path";
198 my $rsa_pub = get_pubkey
();
199 # Note: sign only match if $username and $path is correct
200 if ($rsa_pub->verify($full, decode_base64
($sig))) {
201 if ($plain =~ m/^PVEVNC:([A-Z0-9]{8})$/) {
204 my $age = time() - $ttime;
206 if (($age > -20) && ($age < 40)) {
213 die "permission denied - invalid vnc ticket\n" if !$noerr;
218 sub assemble_spice_ticket
{
219 my ($username, $vmid, $node) = @_;
221 my $rsa_priv = get_privkey
();
223 my $timestamp = sprintf("%08x", time());
225 my $randomstr = "PVESPICE:$timestamp:$vmid:$node:" . rand(10);
227 # this should be uses as one-time password
228 # max length is 60 chars (spice limit)
229 # we pass this to qemu set_pasword and limit lifetime there
231 my $ticket = Digest
::SHA
::sha1_hex
($rsa_priv->sign($randomstr));
233 # Note: spice proxy connects with HTTP, so $proxyticket is exposed to public
234 # we use a signature/timestamp to make sure nobody can fake such ticket
235 # an attacker can use this $proxyticket, but he will fail because $ticket is
237 # The proxy need to be able to extract/verify the ticket
238 # Note: data needs to be lower case only, because virt-viewer needs that
239 # Note: RSA signature are too long (>=256 charaters) and makes problems with remote-viewer
241 my $secret = &$get_csrfr_secret();
242 my $plain = "pvespiceproxy:$timestamp:$vmid:" . lc($node);
244 # produces 40 characters
245 my $sig = unpack("H*", Digest
::SHA
::sha1
($plain, &$get_csrfr_secret()));
247 #my $sig = unpack("H*", $rsa_priv->sign($plain)); # this produce too long strings (512)
249 my $proxyticket = $plain . "::" . $sig;
251 return ($ticket, $proxyticket);
254 sub verify_spice_connect_url
{
255 my ($connect_str) = @_;
257 # Note: we pass the spice ticket as 'host', so the
258 # spice viewer connects with "$ticket:$port"
260 return undef if !$connect_str;
262 if ($connect_str =~m/^pvespiceproxy:([a-z0-9]{8}):(\d+):(\S+)::([a-z0-9]{40}):(\d+)$/) {
263 my ($timestamp, $vmid, $node, $hexsig, $port) = ($1, $2, $3, $4, $5, $6);
264 my $ttime = hex($timestamp);
265 my $age = time() - $ttime;
267 # use very limited lifetime - is this enough?
268 return undef if !(($age > -20) && ($age < 40));
270 my $plain = "pvespiceproxy:$timestamp:$vmid:$node";
271 my $sig = unpack("H*", Digest
::SHA
::sha1
($plain, &$get_csrfr_secret()));
273 if ($sig eq $hexsig) {
274 return ($vmid, $node, $port);
281 sub read_x509_subject_spice
{
285 my $bio = Net
::SSLeay
::BIO_new_file
($filename, 'r');
286 my $x509 = Net
::SSLeay
::PEM_read_bio_X509
($bio);
287 Net
::SSLeay
::BIO_free
($bio);
288 my $nameobj = Net
::SSLeay
::X509_get_subject_name
($x509);
289 my $subject = Net
::SSLeay
::X509_NAME_oneline
($nameobj);
290 Net
::SSLeay
::X509_free
($x509);
292 # remote-viewer wants comma as seperator (not '/')
294 $subject =~ s!/(\w+=)!,$1!g;
299 # helper to generate SPICE remote-viewer configuration
300 sub remote_viewer_config
{
301 my ($authuser, $vmid, $node, $proxy, $title, $port) = @_;
304 my $host = `hostname -f` || PVE
::INotify
::nodename
();
309 my ($ticket, $proxyticket) = assemble_spice_ticket
($authuser, $vmid, $node);
311 my $filename = "/etc/pve/local/pve-ssl.pem";
312 my $subject = read_x509_subject_spice
($filename);
314 my $cacert = PVE
::Tools
::file_get_contents
("/etc/pve/pve-root-ca.pem", 8192);
315 $cacert =~ s/\n/\\n/g;
320 host
=> $proxyticket, # this break tls hostname verification, so we need to use 'host-subject'
321 proxy
=> "http://$proxy:3128",
323 'host-subject' => $subject,
326 'delete-this-file' => 1,
329 return ($ticket, $proxyticket, $config);
332 sub check_user_exist
{
333 my ($usercfg, $username, $noerr) = @_;
335 $username = PVE
::Auth
::Plugin
::verify_username
($username, $noerr);
336 return undef if !$username;
338 return $usercfg->{users
}->{$username} if $usercfg && $usercfg->{users
}->{$username};
340 die "no such user ('$username')\n" if !$noerr;
345 sub check_user_enabled
{
346 my ($usercfg, $username, $noerr) = @_;
348 my $data = check_user_exist
($usercfg, $username, $noerr);
349 return undef if !$data;
351 return 1 if $data->{enable
};
353 return 1 if $username eq 'root@pam'; # root is always enabled
355 die "user '$username' is disabled\n" if !$noerr;
360 # password should be utf8 encoded
361 # Note: some pluging delay/sleep if auth fails
362 sub authenticate_user
{
363 my ($username, $password) = @_;
365 die "no username specified\n" if !$username;
369 ($username, $ruid, $realm) = PVE
::Auth
::Plugin
::verify_username
($username);
371 my $usercfg = cfs_read_file
('user.cfg');
373 check_user_enabled
($usercfg, $username);
376 my $expire = $usercfg->{users
}->{$username}->{expire
};
378 die "account expired\n" if $expire && ($expire < $ctime);
380 my $domain_cfg = cfs_read_file
('domains.cfg');
382 my $cfg = $domain_cfg->{ids
}->{$realm};
383 die "auth domain '$realm' does not exists\n" if !$cfg;
384 my $plugin = PVE
::Auth
::Plugin-
>lookup($cfg->{type
});
385 $plugin->authenticate_user($cfg, $realm, $ruid, $password);
390 sub domain_set_password
{
391 my ($realm, $username, $password) = @_;
393 die "no auth domain specified" if !$realm;
395 my $domain_cfg = cfs_read_file
('domains.cfg');
397 my $cfg = $domain_cfg->{ids
}->{$realm};
398 die "auth domain '$realm' does not exists\n" if !$cfg;
399 my $plugin = PVE
::Auth
::Plugin-
>lookup($cfg->{type
});
400 $plugin->store_password($cfg, $realm, $username, $password);
405 my ($username, $usercfg, $group) = @_;
406 $usercfg->{users
}->{$username}->{groups
}->{$group} = 1;
407 $usercfg->{groups
}->{$group}->{users
}->{$username} = 1;
410 sub delete_user_group
{
412 my ($username, $usercfg) = @_;
414 foreach my $group (keys %{$usercfg->{groups
}}) {
416 delete ($usercfg->{groups
}->{$group}->{users
}->{$username})
417 if $usercfg->{groups
}->{$group}->{users
}->{$username};
421 sub delete_user_acl
{
423 my ($username, $usercfg) = @_;
425 foreach my $acl (keys %{$usercfg->{acl
}}) {
427 delete ($usercfg->{acl
}->{$acl}->{users
}->{$username})
428 if $usercfg->{acl
}->{$acl}->{users
}->{$username};
432 sub delete_group_acl
{
434 my ($group, $usercfg) = @_;
436 foreach my $acl (keys %{$usercfg->{acl
}}) {
438 delete ($usercfg->{acl
}->{$acl}->{groups
}->{$group})
439 if $usercfg->{acl
}->{$acl}->{groups
}->{$group};
443 sub delete_pool_acl
{
445 my ($pool, $usercfg) = @_;
447 my $path = "/pool/$pool";
449 foreach my $aclpath (keys %{$usercfg->{acl
}}) {
450 delete ($usercfg->{acl
}->{$aclpath})
451 if $usercfg->{acl
}->{$aclpath} eq 'path';
455 # we automatically create some predefined roles by splitting privs
456 # into 3 groups (per category)
457 # root: only root is allowed to do that
458 # admin: an administrator can to that
459 # user: a normak user/customer can to that
469 'VM.Config.Options', # covers all other things
477 'VM.Config.CDROM', # change CDROM media
489 'Sys.Modify', # edit/change node settings
492 'Permissions.Modify',
504 'Datastore.Allocate',
505 'Datastore.AllocateTemplate',
508 'Datastore.AllocateSpace',
520 'Group.Allocate', # edit/change group settings
521 'Realm.AllocateUser',
529 'Pool.Allocate', # create/delete pools
536 my $valid_privs = {};
538 my $special_roles = {
539 'NoAccess' => {}, # no priviledges
540 'Administrator' => $valid_privs, # all priviledges
545 foreach my $cat (keys %$privgroups) {
546 my $cd = $privgroups->{$cat};
547 foreach my $p (@{$cd->{root
}}, @{$cd->{admin
}},
548 @{$cd->{user
}}, @{$cd->{audit
}}) {
549 $valid_privs->{$p} = 1;
551 foreach my $p (@{$cd->{admin
}}, @{$cd->{user
}}, @{$cd->{audit
}}) {
553 $special_roles->{"PVE${cat}Admin"}->{$p} = 1;
554 $special_roles->{"PVEAdmin"}->{$p} = 1;
556 if (scalar(@{$cd->{user
}})) {
557 foreach my $p (@{$cd->{user
}}, @{$cd->{audit
}}) {
558 $special_roles->{"PVE${cat}User"}->{$p} = 1;
561 foreach my $p (@{$cd->{audit
}}) {
562 $special_roles->{"PVEAuditor"}->{$p} = 1;
566 $special_roles->{"PVETemplateUser"} = { 'VM.Clone' => 1, 'VM.Audit' => 1 };
572 my ($role, $usercfg, $privs) = @_;
576 die "role '$role' does not exist\n" if !$usercfg->{roles
}->{$role};
578 foreach my $priv (split_list
($privs)) {
579 if (defined ($valid_privs->{$priv})) {
580 $usercfg->{roles
}->{$role}->{$priv} = 1;
582 die "invalid priviledge '$priv'\n";
594 $path = '/' if !$path;
596 $path = "/$path" if $path !~ m
|^/|;
598 return undef if $path !~ m
|^[[:alnum
:]\
.\
-\_\
/]+$|;
604 PVE
::JSONSchema
::register_format
('pve-groupid', \
&verify_groupname
);
605 sub verify_groupname
{
606 my ($groupname, $noerr) = @_;
608 if ($groupname !~ m/^[A-Za-z0-9\.\-_]+$/) {
610 die "group name '$groupname' contains invalid characters\n" if !$noerr;
618 PVE
::JSONSchema
::register_format
('pve-roleid', \
&verify_rolename
);
619 sub verify_rolename
{
620 my ($rolename, $noerr) = @_;
622 if ($rolename !~ m/^[A-Za-z0-9\.\-_]+$/) {
624 die "role name '$rolename' contains invalid characters\n" if !$noerr;
632 PVE
::JSONSchema
::register_format
('pve-poolid', \
&verify_groupname
);
633 sub verify_poolname
{
634 my ($poolname, $noerr) = @_;
636 if ($poolname !~ m/^[A-Za-z0-9\.\-_]+$/) {
638 die "pool name '$poolname' contains invalid characters\n" if !$noerr;
646 PVE
::JSONSchema
::register_format
('pve-priv', \
&verify_privname
);
647 sub verify_privname
{
648 my ($priv, $noerr) = @_;
650 if (!$valid_privs->{$priv}) {
651 die "invalid priviledge '$priv'\n" if !$noerr;
659 sub userconfig_force_defaults
{
662 foreach my $r (keys %$special_roles) {
663 $cfg->{roles
}->{$r} = $special_roles->{$r};
666 # fixme: remove 'root' group (not required)?
669 $cfg->{users
}->{'root@pam'}->{enable
} = 1;
672 sub parse_user_config
{
673 my ($filename, $raw) = @_;
677 userconfig_force_defaults
($cfg);
679 while ($raw && $raw =~ s/^(.*?)(\n|$)//) {
682 next if $line =~ m/^\s*$/; # skip empty lines
686 foreach my $d (split (/:/, $line)) {
692 my $et = shift @data;
695 my ($user, $enable, $expire, $firstname, $lastname, $email, $comment) = @data;
697 my (undef, undef, $realm) = PVE
::Auth
::Plugin
::verify_username
($user, 1);
699 warn "user config - ignore user '$user' - invalid user name\n";
703 $enable = $enable ?
1 : 0;
705 $expire = 0 if !$expire;
707 if ($expire !~ m/^\d+$/) {
708 warn "user config - ignore user '$user' - (illegal characters in expire '$expire')\n";
711 $expire = int($expire);
713 #if (!verify_groupname ($group, 1)) {
714 # warn "user config - ignore user '$user' - invalid characters in group name\n";
718 $cfg->{users
}->{$user} = {
722 $cfg->{users
}->{$user}->{firstname
} = PVE
::Tools
::decode_text
($firstname) if $firstname;
723 $cfg->{users
}->{$user}->{lastname
} = PVE
::Tools
::decode_text
($lastname) if $lastname;
724 $cfg->{users
}->{$user}->{email
} = $email;
725 $cfg->{users
}->{$user}->{comment
} = PVE
::Tools
::decode_text
($comment) if $comment;
726 $cfg->{users
}->{$user}->{expire
} = $expire;
728 #$cfg->{users}->{$user}->{groups}->{$group} = 1;
729 #$cfg->{groups}->{$group}->{$user} = 1;
731 } elsif ($et eq 'group') {
732 my ($group, $userlist, $comment) = @data;
734 if (!verify_groupname
($group, 1)) {
735 warn "user config - ignore group '$group' - invalid characters in group name\n";
739 # make sure to add the group (even if there are no members)
740 $cfg->{groups
}->{$group} = { users
=> {} } if !$cfg->{groups
}->{$group};
742 $cfg->{groups
}->{$group}->{comment
} = PVE
::Tools
::decode_text
($comment) if $comment;
744 foreach my $user (split_list
($userlist)) {
746 if (!PVE
::Auth
::Plugin
::verify_username
($user, 1)) {
747 warn "user config - ignore invalid group member '$user'\n";
751 if ($cfg->{users
}->{$user}) { # user exists
752 $cfg->{users
}->{$user}->{groups
}->{$group} = 1;
753 $cfg->{groups
}->{$group}->{users
}->{$user} = 1;
755 warn "user config - ignore invalid group member '$user'\n";
759 } elsif ($et eq 'role') {
760 my ($role, $privlist) = @data;
762 if (!verify_rolename
($role, 1)) {
763 warn "user config - ignore role '$role' - invalid characters in role name\n";
767 # make sure to add the role (even if there are no privileges)
768 $cfg->{roles
}->{$role} = {} if !$cfg->{roles
}->{$role};
770 foreach my $priv (split_list
($privlist)) {
771 if (defined ($valid_privs->{$priv})) {
772 $cfg->{roles
}->{$role}->{$priv} = 1;
774 warn "user config - ignore invalid priviledge '$priv'\n";
778 } elsif ($et eq 'acl') {
779 my ($propagate, $pathtxt, $uglist, $rolelist) = @data;
781 if (my $path = normalize_path
($pathtxt)) {
782 foreach my $role (split_list
($rolelist)) {
784 if (!verify_rolename
($role, 1)) {
785 warn "user config - ignore invalid role name '$role' in acl\n";
789 foreach my $ug (split_list
($uglist)) {
790 if ($ug =~ m/^@(\S+)$/) {
792 if ($cfg->{groups
}->{$group}) { # group exists
793 $cfg->{acl
}->{$path}->{groups
}->{$group}->{$role} = $propagate;
795 warn "user config - ignore invalid acl group '$group'\n";
797 } elsif (PVE
::Auth
::Plugin
::verify_username
($ug, 1)) {
798 if ($cfg->{users
}->{$ug}) { # user exists
799 $cfg->{acl
}->{$path}->{users
}->{$ug}->{$role} = $propagate;
801 warn "user config - ignore invalid acl member '$ug'\n";
804 warn "user config - invalid user/group '$ug' in acl\n";
809 warn "user config - ignore invalid path in acl '$pathtxt'\n";
811 } elsif ($et eq 'pool') {
812 my ($pool, $comment, $vmlist, $storelist) = @data;
814 if (!verify_poolname
($pool, 1)) {
815 warn "user config - ignore pool '$pool' - invalid characters in pool name\n";
819 # make sure to add the pool (even if there are no members)
820 $cfg->{pools
}->{$pool} = { vms
=> {}, storage
=> {} } if !$cfg->{pools
}->{$pool};
822 $cfg->{pools
}->{$pool}->{comment
} = PVE
::Tools
::decode_text
($comment) if $comment;
824 foreach my $vmid (split_list
($vmlist)) {
825 if ($vmid !~ m/^\d+$/) {
826 warn "user config - ignore invalid vmid '$vmid' in pool '$pool'\n";
831 if ($cfg->{vms
}->{$vmid}) {
832 warn "user config - ignore duplicate vmid '$vmid' in pool '$pool'\n";
836 $cfg->{pools
}->{$pool}->{vms
}->{$vmid} = 1;
838 # record vmid ==> pool relation
839 $cfg->{vms
}->{$vmid} = $pool;
842 foreach my $storeid (split_list
($storelist)) {
843 if ($storeid !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) {
844 warn "user config - ignore invalid storage '$storeid' in pool '$pool'\n";
847 $cfg->{pools
}->{$pool}->{storage
}->{$storeid} = 1;
850 warn "user config - ignore config line: $line\n";
854 userconfig_force_defaults
($cfg);
859 sub write_user_config
{
860 my ($filename, $cfg) = @_;
864 foreach my $user (keys %{$cfg->{users
}}) {
865 my $d = $cfg->{users
}->{$user};
866 my $firstname = $d->{firstname
} ? PVE
::Tools
::encode_text
($d->{firstname
}) : '';
867 my $lastname = $d->{lastname
} ? PVE
::Tools
::encode_text
($d->{lastname
}) : '';
868 my $email = $d->{email
} || '';
869 my $comment = $d->{comment
} ? PVE
::Tools
::encode_text
($d->{comment
}) : '';
870 my $expire = int($d->{expire
} || 0);
871 my $enable = $d->{enable
} ?
1 : 0;
872 $data .= "user:$user:$enable:$expire:$firstname:$lastname:$email:$comment:\n";
877 foreach my $group (keys %{$cfg->{groups
}}) {
878 my $d = $cfg->{groups
}->{$group};
879 my $list = join (',', keys %{$d->{users
}});
880 my $comment = $d->{comment
} ? PVE
::Tools
::encode_text
($d->{comment
}) : '';
881 $data .= "group:$group:$list:$comment:\n";
886 foreach my $pool (keys %{$cfg->{pools
}}) {
887 my $d = $cfg->{pools
}->{$pool};
888 my $vmlist = join (',', keys %{$d->{vms
}});
889 my $storelist = join (',', keys %{$d->{storage
}});
890 my $comment = $d->{comment
} ? PVE
::Tools
::encode_text
($d->{comment
}) : '';
891 $data .= "pool:$pool:$comment:$vmlist:$storelist:\n";
896 foreach my $role (keys %{$cfg->{roles
}}) {
897 next if $special_roles->{$role};
899 my $d = $cfg->{roles
}->{$role};
900 my $list = join (',', keys %$d);
901 $data .= "role:$role:$list:\n";
906 foreach my $path (sort keys %{$cfg->{acl
}}) {
907 my $d = $cfg->{acl
}->{$path};
911 foreach my $group (keys %{$d->{groups
}}) {
914 foreach my $role (sort keys %{$d->{groups
}->{$group}}) {
915 my $propagate = $d->{groups
}->{$group}->{$role};
924 $ra->{0}->{$l0}->{"\@$group"} = 1 if $l0;
925 $ra->{1}->{$l1}->{"\@$group"} = 1 if $l1;
928 foreach my $user (keys %{$d->{users
}}) {
929 # no need to save, because root is always 'Administartor'
930 next if $user eq 'root@pam';
934 foreach my $role (sort keys %{$d->{users
}->{$user}}) {
935 my $propagate = $d->{users
}->{$user}->{$role};
944 $ra->{0}->{$l0}->{$user} = 1 if $l0;
945 $ra->{1}->{$l1}->{$user} = 1 if $l1;
948 foreach my $rolelist (sort keys %{$ra->{0}}) {
949 my $uglist = join (',', keys %{$ra->{0}->{$rolelist}});
950 $data .= "acl:0:$path:$uglist:$rolelist:\n";
952 foreach my $rolelist (sort keys %{$ra->{1}}) {
953 my $uglist = join (',', keys %{$ra->{1}->{$rolelist}});
954 $data .= "acl:1:$path:$uglist:$rolelist:\n";
962 my ($cfg, $user, $path) = @_;
964 # NOTE: we do not consider pools here.
965 # You need to use $rpcenv->roles() instead if you want that.
967 return 'Administrator' if $user eq 'root@pam'; # root can do anything
971 foreach my $p (sort keys %{$cfg->{acl
}}) {
972 my $final = ($path eq $p);
974 next if !(($p eq '/') || $final || ($path =~ m
|^$p/|));
976 my $acl = $cfg->{acl
}->{$p};
978 #print "CHECKACL $path $p\n";
979 #print "ACL $path = " . Dumper ($acl);
981 if (my $ri = $acl->{users
}->{$user}) {
983 foreach my $role (keys %$ri) {
984 my $propagate = $ri->{$role};
985 if ($final || $propagate) {
986 #print "APPLY ROLE $p $user $role\n";
992 $perm = $new; # overwrite previous settings
993 next; # user privs always override group privs
998 foreach my $g (keys %{$acl->{groups
}}) {
999 next if !$cfg->{groups
}->{$g}->{users
}->{$user};
1000 if (my $ri = $acl->{groups
}->{$g}) {
1001 foreach my $role (keys %$ri) {
1002 my $propagate = $ri->{$role};
1003 if ($final || $propagate) {
1004 #print "APPLY ROLE $p \@$g $role\n";
1012 $perm = $new; # overwrite previous settings
1017 return ('NoAccess') if defined ($perm->{NoAccess
});
1018 #return () if defined ($perm->{NoAccess});
1020 #print "permission $user $path = " . Dumper ($perm);
1022 my @ra = keys %$perm;
1024 #print "roles $user $path = " . join (',', @ra) . "\n";
1030 my ($cfg, $user, $path) = @_;
1032 $user = PVE
::Auth
::Plugin
::verify_username
($user, 1);
1033 return {} if !$user;
1035 my @ra = roles
($cfg, $user, $path);
1039 foreach my $role (@ra) {
1040 if (my $privset = $cfg->{roles
}->{$role}) {
1041 foreach my $p (keys %$privset) {
1047 #print "priviledges $user $path = " . Dumper ($privs);
1052 sub check_permissions
{
1053 my ($username, $path, $privlist) = @_;
1055 $path = normalize_path
($path);
1056 my $usercfg = cfs_read_file
('user.cfg');
1057 my $perm = permission
($usercfg, $username, $path);
1059 foreach my $priv (split_list
($privlist)) {
1060 return undef if !$perm->{$priv};
1066 sub add_vm_to_pool
{
1067 my ($vmid, $pool) = @_;
1069 my $addVMtoPoolFn = sub {
1070 my $usercfg = cfs_read_file
("user.cfg");
1071 if (my $data = $usercfg->{pools
}->{$pool}) {
1072 $data->{vms
}->{$vmid} = 1;
1073 $usercfg->{vms
}->{$vmid} = $pool;
1074 cfs_write_file
("user.cfg", $usercfg);
1078 lock_user_config
($addVMtoPoolFn, "can't add VM $vmid to pool '$pool'");
1081 sub remove_vm_from_pool
{
1084 my $delVMfromPoolFn = sub {
1085 my $usercfg = cfs_read_file
("user.cfg");
1086 if (my $pool = $usercfg->{vms
}->{$vmid}) {
1087 if (my $data = $usercfg->{pools
}->{$pool}) {
1088 delete $data->{vms
}->{$vmid};
1089 delete $usercfg->{vms
}->{$vmid};
1090 cfs_write_file
("user.cfg", $usercfg);
1095 lock_user_config
($delVMfromPoolFn, "pool cleanup for VM $vmid failed");