1 package PVE
::AccessControl
;
6 use Crypt
::OpenSSL
::Random
;
7 use Crypt
::OpenSSL
::RSA
;
15 use PVE
::Tools
qw(run_command lock_file file_get_contents split_list safe_print);
16 use PVE
::Cluster
qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file);
19 use PVE
::Auth
::Plugin
;
25 use Data
::Dumper
; # fixme: remove
27 # load and initialize all plugins
29 PVE
::Auth
::AD-
>register();
30 PVE
::Auth
::LDAP-
>register();
31 PVE
::Auth
::PVE-
>register();
32 PVE
::Auth
::PAM-
>register();
33 PVE
::Auth
::Plugin-
>init();
35 # $authdir must be writable by root only!
36 my $confdir = "/etc/pve";
37 my $authdir = "$confdir/priv";
38 my $authprivkeyfn = "$authdir/authkey.key";
39 my $authpubkeyfn = "$confdir/authkey.pub";
40 my $pve_www_key_fn = "$confdir/pve-www.key";
42 my $ticket_lifetime = 3600*2; # 2 hours
44 Crypt
::OpenSSL
::RSA-
>import_random_seed();
46 cfs_register_file
('user.cfg',
52 PVE
::Auth
::Plugin
::verify_username
(@_);
55 sub pve_verify_realm
{
56 PVE
::Auth
::Plugin
::pve_verify_realm
(@_);
59 sub lock_user_config
{
60 my ($code, $errmsg) = @_;
62 cfs_lock_file
("user.cfg", undef, $code);
64 $errmsg ?
die "$errmsg: $err" : die $err;
71 return $pve_auth_pub_key if $pve_auth_pub_key;
73 my $input = PVE
::Tools
::file_get_contents
($authpubkeyfn);
75 $pve_auth_pub_key = Crypt
::OpenSSL
::RSA-
>new_public_key($input);
77 return $pve_auth_pub_key;
80 my $csrf_prevention_secret;
81 my $get_csrfr_secret = sub {
82 if (!$csrf_prevention_secret) {
83 my $input = PVE
::Tools
::file_get_contents
($pve_www_key_fn);
84 $csrf_prevention_secret = Digest
::SHA
::sha1_base64
($input);
86 return $csrf_prevention_secret;
89 sub assemble_csrf_prevention_token
{
92 my $secret = &$get_csrfr_secret();
94 return PVE
::Ticket
::assemble_csrf_prevention_token
($secret, $username);
97 sub verify_csrf_prevention_token
{
98 my ($username, $token, $noerr) = @_;
100 my $secret = &$get_csrfr_secret();
102 return PVE
::Ticket
::verify_csrf_prevention_token
(
103 $secret, $username, $token, -300, $ticket_lifetime, $noerr);
106 my $pve_auth_priv_key;
109 return $pve_auth_priv_key if $pve_auth_priv_key;
111 my $input = PVE
::Tools
::file_get_contents
($authprivkeyfn);
113 $pve_auth_priv_key = Crypt
::OpenSSL
::RSA-
>new_private_key($input);
115 return $pve_auth_priv_key;
118 sub assemble_ticket
{
121 my $rsa_priv = get_privkey
();
123 return PVE
::Ticket
::assemble_rsa_ticket
($rsa_priv, 'PVE', $username);
127 my ($ticket, $noerr) = @_;
129 my $rsa_pub = get_pubkey
();
131 my ($username, $age) = PVE
::Ticket
::verify_rsa_ticket
(
132 $rsa_pub, 'PVE', $ticket, undef, -300, $ticket_lifetime, $noerr);
134 return undef if $noerr && !defined($username);
136 return undef if !PVE
::Auth
::Plugin
::verify_username
($username, $noerr);
138 return wantarray ?
($username, $age) : $username;
142 # - they do not contain the username in plain text
143 # - they are restricted to a specific resource path (example: '/vms/100')
144 sub assemble_vnc_ticket
{
145 my ($username, $path) = @_;
147 my $rsa_priv = get_privkey
();
149 $path = normalize_path
($path);
151 my $secret_data = "$username:$path";
153 return PVE
::Ticket
::assemble_rsa_ticket
(
154 $rsa_priv, 'PVEVNC', undef, $secret_data);
157 sub verify_vnc_ticket
{
158 my ($ticket, $username, $path, $noerr) = @_;
160 my $rsa_pub = get_pubkey
();
162 my $secret_data = "$username:$path";
164 return PVE
::Ticket
::verify_rsa_ticket
(
165 $rsa_pub, 'PVEVNC', $ticket, $secret_data, -20, 40, $noerr);
168 sub assemble_spice_ticket
{
169 my ($username, $vmid, $node) = @_;
171 my $secret = &$get_csrfr_secret();
173 return PVE
::Ticket
::assemble_spice_ticket
(
174 $secret, $username, $vmid, $node);
178 sub verify_spice_connect_url
{
179 my ($connect_str) = @_;
181 my $secret = &$get_csrfr_secret();
183 return PVE
::Ticket
::verify_spice_connect_url
($secret, $connect_str);
186 sub read_x509_subject_spice
{
190 my $bio = Net
::SSLeay
::BIO_new_file
($filename, 'r');
191 die "Could not open $filename using OpenSSL\n"
194 my $x509 = Net
::SSLeay
::PEM_read_bio_X509
($bio);
195 Net
::SSLeay
::BIO_free
($bio);
197 die "Could not parse X509 certificate in $filename\n"
200 my $nameobj = Net
::SSLeay
::X509_get_subject_name
($x509);
201 my $subject = Net
::SSLeay
::X509_NAME_oneline
($nameobj);
202 Net
::SSLeay
::X509_free
($x509);
204 # remote-viewer wants comma as seperator (not '/')
206 $subject =~ s!/(\w+=)!,$1!g;
211 # helper to generate SPICE remote-viewer configuration
212 sub remote_viewer_config
{
213 my ($authuser, $vmid, $node, $proxy, $title, $port) = @_;
216 my $host = `hostname -f` || PVE
::INotify
::nodename
();
221 my ($ticket, $proxyticket) = assemble_spice_ticket
($authuser, $vmid, $node);
223 my $filename = "/etc/pve/local/pve-ssl.pem";
224 my $subject = read_x509_subject_spice
($filename);
226 my $cacert = PVE
::Tools
::file_get_contents
("/etc/pve/pve-root-ca.pem", 8192);
227 $cacert =~ s/\n/\\n/g;
229 $proxy = "[$proxy]" if Net
::IP
::ip_is_ipv6
($proxy);
231 'secure-attention' => "Ctrl+Alt+Ins",
232 'toggle-fullscreen' => "Shift+F11",
233 'release-cursor' => "Ctrl+Alt+R",
236 host
=> $proxyticket, # this breaks tls hostname verification, so we need to use 'host-subject'
237 proxy
=> "http://$proxy:3128",
239 'host-subject' => $subject,
242 'delete-this-file' => 1,
245 return ($ticket, $proxyticket, $config);
248 sub check_user_exist
{
249 my ($usercfg, $username, $noerr) = @_;
251 $username = PVE
::Auth
::Plugin
::verify_username
($username, $noerr);
252 return undef if !$username;
254 return $usercfg->{users
}->{$username} if $usercfg && $usercfg->{users
}->{$username};
256 die "no such user ('$username')\n" if !$noerr;
261 sub check_user_enabled
{
262 my ($usercfg, $username, $noerr) = @_;
264 my $data = check_user_exist
($usercfg, $username, $noerr);
265 return undef if !$data;
267 return 1 if $data->{enable
};
269 die "user '$username' is disabled\n" if !$noerr;
274 sub verify_one_time_pw
{
275 my ($usercfg, $username, $tfa_cfg, $otp) = @_;
277 my $type = $tfa_cfg->{type
};
279 die "missing one time password for two-factor authentication '$type'\n" if !$otp;
281 # fixme: proxy support?
284 if ($type eq 'yubico') {
285 my $keys = $usercfg->{users
}->{$username}->{keys};
286 PVE
::OTP
::yubico_verify_otp
($otp, $keys, $tfa_cfg->{url
},
287 $tfa_cfg->{id
}, $tfa_cfg->{key
}, $proxy);
288 } elsif ($type eq 'oath') {
289 my $keys = $usercfg->{users
}->{$username}->{keys};
290 PVE
::OTP
::oath_verify_otp
($otp, $keys, $tfa_cfg->{step
}, $tfa_cfg->{digits
});
292 die "unknown tfa type '$type'\n";
296 # password should be utf8 encoded
297 # Note: some plugins delay/sleep if auth fails
298 sub authenticate_user
{
299 my ($username, $password, $otp) = @_;
301 die "no username specified\n" if !$username;
305 ($username, $ruid, $realm) = PVE
::Auth
::Plugin
::verify_username
($username);
307 my $usercfg = cfs_read_file
('user.cfg');
309 check_user_enabled
($usercfg, $username);
312 my $expire = $usercfg->{users
}->{$username}->{expire
};
314 die "account expired\n" if $expire && ($expire < $ctime);
316 my $domain_cfg = cfs_read_file
('domains.cfg');
318 my $cfg = $domain_cfg->{ids
}->{$realm};
319 die "auth domain '$realm' does not exists\n" if !$cfg;
320 my $plugin = PVE
::Auth
::Plugin-
>lookup($cfg->{type
});
321 $plugin->authenticate_user($cfg, $realm, $ruid, $password);
324 my $tfa_cfg = PVE
::Auth
::Plugin
::parse_tfa_config
($cfg->{tfa
});
325 verify_one_time_pw
($usercfg, $username, $tfa_cfg, $otp);
331 sub domain_set_password
{
332 my ($realm, $username, $password) = @_;
334 die "no auth domain specified" if !$realm;
336 my $domain_cfg = cfs_read_file
('domains.cfg');
338 my $cfg = $domain_cfg->{ids
}->{$realm};
339 die "auth domain '$realm' does not exist\n" if !$cfg;
340 my $plugin = PVE
::Auth
::Plugin-
>lookup($cfg->{type
});
341 $plugin->store_password($cfg, $realm, $username, $password);
345 my ($username, $usercfg, $group) = @_;
347 $usercfg->{users
}->{$username}->{groups
}->{$group} = 1;
348 $usercfg->{groups
}->{$group}->{users
}->{$username} = 1;
351 sub delete_user_group
{
352 my ($username, $usercfg) = @_;
354 foreach my $group (keys %{$usercfg->{groups
}}) {
356 delete ($usercfg->{groups
}->{$group}->{users
}->{$username})
357 if $usercfg->{groups
}->{$group}->{users
}->{$username};
361 sub delete_user_acl
{
362 my ($username, $usercfg) = @_;
364 foreach my $acl (keys %{$usercfg->{acl
}}) {
366 delete ($usercfg->{acl
}->{$acl}->{users
}->{$username})
367 if $usercfg->{acl
}->{$acl}->{users
}->{$username};
371 sub delete_group_acl
{
372 my ($group, $usercfg) = @_;
374 foreach my $acl (keys %{$usercfg->{acl
}}) {
376 delete ($usercfg->{acl
}->{$acl}->{groups
}->{$group})
377 if $usercfg->{acl
}->{$acl}->{groups
}->{$group};
381 sub delete_pool_acl
{
382 my ($pool, $usercfg) = @_;
384 my $path = "/pool/$pool";
386 delete ($usercfg->{acl
}->{$path})
389 # we automatically create some predefined roles by splitting privs
390 # into 3 groups (per category)
391 # root: only root is allowed to do that
392 # admin: an administrator can to that
393 # user: a normal user/customer can to that
403 'VM.Config.Options', # covers all other things
411 'VM.Config.CDROM', # change CDROM media
423 'Sys.Modify', # edit/change node settings
426 'Permissions.Modify',
438 'Datastore.Allocate',
439 'Datastore.AllocateTemplate',
442 'Datastore.AllocateSpace',
454 'Group.Allocate', # edit/change group settings
455 'Realm.AllocateUser',
463 'Pool.Allocate', # create/delete pools
470 my $valid_privs = {};
472 my $special_roles = {
473 'NoAccess' => {}, # no privileges
474 'Administrator' => $valid_privs, # all privileges
479 foreach my $cat (keys %$privgroups) {
480 my $cd = $privgroups->{$cat};
481 foreach my $p (@{$cd->{root
}}, @{$cd->{admin
}},
482 @{$cd->{user
}}, @{$cd->{audit
}}) {
483 $valid_privs->{$p} = 1;
485 foreach my $p (@{$cd->{admin
}}, @{$cd->{user
}}, @{$cd->{audit
}}) {
487 $special_roles->{"PVE${cat}Admin"}->{$p} = 1;
488 $special_roles->{"PVEAdmin"}->{$p} = 1;
490 if (scalar(@{$cd->{user
}})) {
491 foreach my $p (@{$cd->{user
}}, @{$cd->{audit
}}) {
492 $special_roles->{"PVE${cat}User"}->{$p} = 1;
495 foreach my $p (@{$cd->{audit
}}) {
496 $special_roles->{"PVEAuditor"}->{$p} = 1;
500 $special_roles->{"PVETemplateUser"} = { 'VM.Clone' => 1, 'VM.Audit' => 1 };
505 sub role_is_special
{
507 return exists $special_roles->{$role};
511 my ($role, $usercfg, $privs) = @_;
515 die "role '$role' does not exist\n" if !$usercfg->{roles
}->{$role};
517 foreach my $priv (split_list
($privs)) {
518 if (defined ($valid_privs->{$priv})) {
519 $usercfg->{roles
}->{$role}->{$priv} = 1;
521 die "invalid privilege '$priv'\n";
533 $path = '/' if !$path;
535 $path = "/$path" if $path !~ m
|^/|;
537 return undef if $path !~ m
|^[[:alnum
:]\
.\
-\_\
/]+$|;
543 PVE
::JSONSchema
::register_format
('pve-groupid', \
&verify_groupname
);
544 sub verify_groupname
{
545 my ($groupname, $noerr) = @_;
547 if ($groupname !~ m/^[A-Za-z0-9\.\-_]+$/) {
549 die "group name '$groupname' contains invalid characters\n" if !$noerr;
557 PVE
::JSONSchema
::register_format
('pve-roleid', \
&verify_rolename
);
558 sub verify_rolename
{
559 my ($rolename, $noerr) = @_;
561 if ($rolename !~ m/^[A-Za-z0-9\.\-_]+$/) {
563 die "role name '$rolename' contains invalid characters\n" if !$noerr;
571 PVE
::JSONSchema
::register_format
('pve-poolid', \
&verify_groupname
);
572 sub verify_poolname
{
573 my ($poolname, $noerr) = @_;
575 if ($poolname !~ m/^[A-Za-z0-9\.\-_]+$/) {
577 die "pool name '$poolname' contains invalid characters\n" if !$noerr;
585 PVE
::JSONSchema
::register_format
('pve-priv', \
&verify_privname
);
586 sub verify_privname
{
587 my ($priv, $noerr) = @_;
589 if (!$valid_privs->{$priv}) {
590 die "invalid privilege '$priv'\n" if !$noerr;
598 sub userconfig_force_defaults
{
601 foreach my $r (keys %$special_roles) {
602 $cfg->{roles
}->{$r} = $special_roles->{$r};
605 # add root user if not exists
606 if (!$cfg->{users
}->{'root@pam'}) {
607 $cfg->{users
}->{'root@pam'}->{enable
} = 1;
611 sub parse_user_config
{
612 my ($filename, $raw) = @_;
616 userconfig_force_defaults
($cfg);
618 $raw = '' if !defined($raw);
619 while ($raw =~ /^\s*(.+?)\s*$/gm) {
623 foreach my $d (split (/:/, $line)) {
629 my $et = shift @data;
632 my ($user, $enable, $expire, $firstname, $lastname, $email, $comment, $keys) = @data;
634 my (undef, undef, $realm) = PVE
::Auth
::Plugin
::verify_username
($user, 1);
636 warn "user config - ignore user '$user' - invalid user name\n";
640 $enable = $enable ?
1 : 0;
642 $expire = 0 if !$expire;
644 if ($expire !~ m/^\d+$/) {
645 warn "user config - ignore user '$user' - (illegal characters in expire '$expire')\n";
648 $expire = int($expire);
650 #if (!verify_groupname ($group, 1)) {
651 # warn "user config - ignore user '$user' - invalid characters in group name\n";
655 $cfg->{users
}->{$user} = {
659 $cfg->{users
}->{$user}->{firstname
} = PVE
::Tools
::decode_text
($firstname) if $firstname;
660 $cfg->{users
}->{$user}->{lastname
} = PVE
::Tools
::decode_text
($lastname) if $lastname;
661 $cfg->{users
}->{$user}->{email
} = $email;
662 $cfg->{users
}->{$user}->{comment
} = PVE
::Tools
::decode_text
($comment) if $comment;
663 $cfg->{users
}->{$user}->{expire
} = $expire;
664 # keys: allowed yubico key ids or oath secrets (base32 encoded)
665 $cfg->{users
}->{$user}->{keys} = $keys if $keys;
667 #$cfg->{users}->{$user}->{groups}->{$group} = 1;
668 #$cfg->{groups}->{$group}->{$user} = 1;
670 } elsif ($et eq 'group') {
671 my ($group, $userlist, $comment) = @data;
673 if (!verify_groupname
($group, 1)) {
674 warn "user config - ignore group '$group' - invalid characters in group name\n";
678 # make sure to add the group (even if there are no members)
679 $cfg->{groups
}->{$group} = { users
=> {} } if !$cfg->{groups
}->{$group};
681 $cfg->{groups
}->{$group}->{comment
} = PVE
::Tools
::decode_text
($comment) if $comment;
683 foreach my $user (split_list
($userlist)) {
685 if (!PVE
::Auth
::Plugin
::verify_username
($user, 1)) {
686 warn "user config - ignore invalid group member '$user'\n";
690 if ($cfg->{users
}->{$user}) { # user exists
691 $cfg->{users
}->{$user}->{groups
}->{$group} = 1;
692 $cfg->{groups
}->{$group}->{users
}->{$user} = 1;
694 warn "user config - ignore invalid group member '$user'\n";
698 } elsif ($et eq 'role') {
699 my ($role, $privlist) = @data;
701 if (!verify_rolename
($role, 1)) {
702 warn "user config - ignore role '$role' - invalid characters in role name\n";
706 # make sure to add the role (even if there are no privileges)
707 $cfg->{roles
}->{$role} = {} if !$cfg->{roles
}->{$role};
709 foreach my $priv (split_list
($privlist)) {
710 if (defined ($valid_privs->{$priv})) {
711 $cfg->{roles
}->{$role}->{$priv} = 1;
713 warn "user config - ignore invalid priviledge '$priv'\n";
717 } elsif ($et eq 'acl') {
718 my ($propagate, $pathtxt, $uglist, $rolelist) = @data;
720 if (my $path = normalize_path
($pathtxt)) {
721 foreach my $role (split_list
($rolelist)) {
723 if (!verify_rolename
($role, 1)) {
724 warn "user config - ignore invalid role name '$role' in acl\n";
728 foreach my $ug (split_list
($uglist)) {
729 if ($ug =~ m/^@(\S+)$/) {
731 if ($cfg->{groups
}->{$group}) { # group exists
732 $cfg->{acl
}->{$path}->{groups
}->{$group}->{$role} = $propagate;
734 warn "user config - ignore invalid acl group '$group'\n";
736 } elsif (PVE
::Auth
::Plugin
::verify_username
($ug, 1)) {
737 if ($cfg->{users
}->{$ug}) { # user exists
738 $cfg->{acl
}->{$path}->{users
}->{$ug}->{$role} = $propagate;
740 warn "user config - ignore invalid acl member '$ug'\n";
743 warn "user config - invalid user/group '$ug' in acl\n";
748 warn "user config - ignore invalid path in acl '$pathtxt'\n";
750 } elsif ($et eq 'pool') {
751 my ($pool, $comment, $vmlist, $storelist) = @data;
753 if (!verify_poolname
($pool, 1)) {
754 warn "user config - ignore pool '$pool' - invalid characters in pool name\n";
758 # make sure to add the pool (even if there are no members)
759 $cfg->{pools
}->{$pool} = { vms
=> {}, storage
=> {} } if !$cfg->{pools
}->{$pool};
761 $cfg->{pools
}->{$pool}->{comment
} = PVE
::Tools
::decode_text
($comment) if $comment;
763 foreach my $vmid (split_list
($vmlist)) {
764 if ($vmid !~ m/^\d+$/) {
765 warn "user config - ignore invalid vmid '$vmid' in pool '$pool'\n";
770 if ($cfg->{vms
}->{$vmid}) {
771 warn "user config - ignore duplicate vmid '$vmid' in pool '$pool'\n";
775 $cfg->{pools
}->{$pool}->{vms
}->{$vmid} = 1;
777 # record vmid ==> pool relation
778 $cfg->{vms
}->{$vmid} = $pool;
781 foreach my $storeid (split_list
($storelist)) {
782 if ($storeid !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) {
783 warn "user config - ignore invalid storage '$storeid' in pool '$pool'\n";
786 $cfg->{pools
}->{$pool}->{storage
}->{$storeid} = 1;
789 warn "user config - ignore config line: $line\n";
793 userconfig_force_defaults
($cfg);
798 sub write_user_config
{
799 my ($filename, $cfg) = @_;
803 foreach my $user (keys %{$cfg->{users
}}) {
804 my $d = $cfg->{users
}->{$user};
805 my $firstname = $d->{firstname
} ? PVE
::Tools
::encode_text
($d->{firstname
}) : '';
806 my $lastname = $d->{lastname
} ? PVE
::Tools
::encode_text
($d->{lastname
}) : '';
807 my $email = $d->{email
} || '';
808 my $comment = $d->{comment
} ? PVE
::Tools
::encode_text
($d->{comment
}) : '';
809 my $expire = int($d->{expire
} || 0);
810 my $enable = $d->{enable
} ?
1 : 0;
811 my $keys = $d->{keys} ?
$d->{keys} : '';
812 $data .= "user:$user:$enable:$expire:$firstname:$lastname:$email:$comment:$keys:\n";
817 foreach my $group (keys %{$cfg->{groups
}}) {
818 my $d = $cfg->{groups
}->{$group};
819 my $list = join (',', keys %{$d->{users
}});
820 my $comment = $d->{comment
} ? PVE
::Tools
::encode_text
($d->{comment
}) : '';
821 $data .= "group:$group:$list:$comment:\n";
826 foreach my $pool (keys %{$cfg->{pools
}}) {
827 my $d = $cfg->{pools
}->{$pool};
828 my $vmlist = join (',', keys %{$d->{vms
}});
829 my $storelist = join (',', keys %{$d->{storage
}});
830 my $comment = $d->{comment
} ? PVE
::Tools
::encode_text
($d->{comment
}) : '';
831 $data .= "pool:$pool:$comment:$vmlist:$storelist:\n";
836 foreach my $role (keys %{$cfg->{roles
}}) {
837 next if $special_roles->{$role};
839 my $d = $cfg->{roles
}->{$role};
840 my $list = join (',', keys %$d);
841 $data .= "role:$role:$list:\n";
846 foreach my $path (sort keys %{$cfg->{acl
}}) {
847 my $d = $cfg->{acl
}->{$path};
851 foreach my $group (keys %{$d->{groups
}}) {
854 foreach my $role (sort keys %{$d->{groups
}->{$group}}) {
855 my $propagate = $d->{groups
}->{$group}->{$role};
864 $ra->{0}->{$l0}->{"\@$group"} = 1 if $l0;
865 $ra->{1}->{$l1}->{"\@$group"} = 1 if $l1;
868 foreach my $user (keys %{$d->{users
}}) {
869 # no need to save, because root is always 'Administrator'
870 next if $user eq 'root@pam';
874 foreach my $role (sort keys %{$d->{users
}->{$user}}) {
875 my $propagate = $d->{users
}->{$user}->{$role};
884 $ra->{0}->{$l0}->{$user} = 1 if $l0;
885 $ra->{1}->{$l1}->{$user} = 1 if $l1;
888 foreach my $rolelist (sort keys %{$ra->{0}}) {
889 my $uglist = join (',', keys %{$ra->{0}->{$rolelist}});
890 $data .= "acl:0:$path:$uglist:$rolelist:\n";
892 foreach my $rolelist (sort keys %{$ra->{1}}) {
893 my $uglist = join (',', keys %{$ra->{1}->{$rolelist}});
894 $data .= "acl:1:$path:$uglist:$rolelist:\n";
902 my ($cfg, $user, $path) = @_;
904 # NOTE: we do not consider pools here.
905 # You need to use $rpcenv->roles() instead if you want that.
907 return 'Administrator' if $user eq 'root@pam'; # root can do anything
911 foreach my $p (sort keys %{$cfg->{acl
}}) {
912 my $final = ($path eq $p);
914 next if !(($p eq '/') || $final || ($path =~ m
|^$p/|));
916 my $acl = $cfg->{acl
}->{$p};
918 #print "CHECKACL $path $p\n";
919 #print "ACL $path = " . Dumper ($acl);
921 if (my $ri = $acl->{users
}->{$user}) {
923 foreach my $role (keys %$ri) {
924 my $propagate = $ri->{$role};
925 if ($final || $propagate) {
926 #print "APPLY ROLE $p $user $role\n";
932 $perm = $new; # overwrite previous settings
933 next; # user privs always override group privs
938 foreach my $g (keys %{$acl->{groups
}}) {
939 next if !$cfg->{groups
}->{$g}->{users
}->{$user};
940 if (my $ri = $acl->{groups
}->{$g}) {
941 foreach my $role (keys %$ri) {
942 my $propagate = $ri->{$role};
943 if ($final || $propagate) {
944 #print "APPLY ROLE $p \@$g $role\n";
952 $perm = $new; # overwrite previous settings
957 return ('NoAccess') if defined ($perm->{NoAccess
});
958 #return () if defined ($perm->{NoAccess});
960 #print "permission $user $path = " . Dumper ($perm);
962 my @ra = keys %$perm;
964 #print "roles $user $path = " . join (',', @ra) . "\n";
970 my ($cfg, $user, $path) = @_;
972 $user = PVE
::Auth
::Plugin
::verify_username
($user, 1);
975 my @ra = roles
($cfg, $user, $path);
979 foreach my $role (@ra) {
980 if (my $privset = $cfg->{roles
}->{$role}) {
981 foreach my $p (keys %$privset) {
987 #print "priviledges $user $path = " . Dumper ($privs);
992 sub check_permissions
{
993 my ($username, $path, $privlist) = @_;
995 $path = normalize_path
($path);
996 my $usercfg = cfs_read_file
('user.cfg');
997 my $perm = permission
($usercfg, $username, $path);
999 foreach my $priv (split_list
($privlist)) {
1000 return undef if !$perm->{$priv};
1006 sub remove_vm_access
{
1008 my $delVMaccessFn = sub {
1009 my $usercfg = cfs_read_file
("user.cfg");
1012 if (my $acl = $usercfg->{acl
}->{"/vms/$vmid"}) {
1013 delete $usercfg->{acl
}->{"/vms/$vmid"};
1016 if (my $pool = $usercfg->{vms
}->{$vmid}) {
1017 if (my $data = $usercfg->{pools
}->{$pool}) {
1018 delete $data->{vms
}->{$vmid};
1019 delete $usercfg->{vms
}->{$vmid};
1023 cfs_write_file
("user.cfg", $usercfg) if $modified;
1026 lock_user_config
($delVMaccessFn, "access permissions cleanup for VM $vmid failed");
1029 sub remove_storage_access
{
1032 my $deleteStorageAccessFn = sub {
1033 my $usercfg = cfs_read_file
("user.cfg");
1036 if (my $storage = $usercfg->{acl
}->{"/storage/$storeid"}) {
1037 delete $usercfg->{acl
}->{"/storage/$storeid"};
1040 foreach my $pool (keys %{$usercfg->{pools
}}) {
1041 delete $usercfg->{pools
}->{$pool}->{storage
}->{$storeid};
1044 cfs_write_file
("user.cfg", $usercfg) if $modified;
1047 lock_user_config
($deleteStorageAccessFn,
1048 "access permissions cleanup for storage $storeid failed");
1051 sub add_vm_to_pool
{
1052 my ($vmid, $pool) = @_;
1054 my $addVMtoPoolFn = sub {
1055 my $usercfg = cfs_read_file
("user.cfg");
1056 if (my $data = $usercfg->{pools
}->{$pool}) {
1057 $data->{vms
}->{$vmid} = 1;
1058 $usercfg->{vms
}->{$vmid} = $pool;
1059 cfs_write_file
("user.cfg", $usercfg);
1063 lock_user_config
($addVMtoPoolFn, "can't add VM $vmid to pool '$pool'");
1066 sub remove_vm_from_pool
{
1069 my $delVMfromPoolFn = sub {
1070 my $usercfg = cfs_read_file
("user.cfg");
1071 if (my $pool = $usercfg->{vms
}->{$vmid}) {
1072 if (my $data = $usercfg->{pools
}->{$pool}) {
1073 delete $data->{vms
}->{$vmid};
1074 delete $usercfg->{vms
}->{$vmid};
1075 cfs_write_file
("user.cfg", $usercfg);
1080 lock_user_config
($delVMfromPoolFn, "pool cleanup for VM $vmid failed");
1083 # bash completion helpers
1085 sub complete_username
{
1087 my $user_cfg = cfs_read_file
('user.cfg');
1089 return [ keys %{$user_cfg->{users
}} ];
1092 sub complete_group
{
1094 my $user_cfg = cfs_read_file
('user.cfg');
1096 return [ keys %{$user_cfg->{groups
}} ];
1099 sub complete_realm
{
1101 my $domain_cfg = cfs_read_file
('domains.cfg');
1103 return [ keys %{$domain_cfg->{ids
}} ];