1 package PVE
::AccessControl
;
5 use Crypt
::OpenSSL
::Random
;
6 use Crypt
::OpenSSL
::RSA
;
9 use PVE
::Tools
qw(run_command lock_file file_get_contents split_list safe_print);
10 use PVE
::Cluster
qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file);
13 use PVE
::Auth
::Plugin
;
19 use Data
::Dumper
; # fixme: remove
21 # load and initialize all plugins
23 PVE
::Auth
::AD-
>register();
24 PVE
::Auth
::LDAP-
>register();
25 PVE
::Auth
::PVE-
>register();
26 PVE
::Auth
::PAM-
>register();
27 PVE
::Auth
::Plugin-
>init();
29 # $authdir must be writable by root only!
30 my $confdir = "/etc/pve";
31 my $authdir = "$confdir/priv";
32 my $authprivkeyfn = "$authdir/authkey.key";
33 my $authpubkeyfn = "$confdir/authkey.pub";
34 my $pve_www_key_fn = "$confdir/pve-www.key";
36 my $ticket_lifetime = 3600*2; # 2 hours
38 Crypt
::OpenSSL
::RSA-
>import_random_seed();
40 cfs_register_file
('user.cfg',
46 PVE
::Auth
::Plugin
::verify_username
(@_);
49 sub pve_verify_realm
{
50 PVE
::Auth
::Plugin
::pve_verify_realm
(@_);
53 sub lock_user_config
{
54 my ($code, $errmsg) = @_;
56 cfs_lock_file
("user.cfg", undef, $code);
58 $errmsg ?
die "$errmsg: $err" : die $err;
65 return $pve_auth_pub_key if $pve_auth_pub_key;
67 my $input = PVE
::Tools
::file_get_contents
($authpubkeyfn);
69 $pve_auth_pub_key = Crypt
::OpenSSL
::RSA-
>new_public_key($input);
71 return $pve_auth_pub_key;
74 my $csrf_prevention_secret;
75 my $get_csrfr_secret = sub {
76 if (!$csrf_prevention_secret) {
77 my $input = PVE
::Tools
::file_get_contents
($pve_www_key_fn);
78 $csrf_prevention_secret = Digest
::SHA
::sha1_base64
($input);
80 return $csrf_prevention_secret;
83 sub assemble_csrf_prevention_token
{
86 my $timestamp = sprintf("%08X", time());
88 my $digest = Digest
::SHA
::sha1_base64
("$timestamp:$username", &$get_csrfr_secret());
90 return "$timestamp:$digest";
93 sub verify_csrf_prevention_token
{
94 my ($username, $token, $noerr) = @_;
96 if ($token =~ m/^([A-Z0-9]{8}):(\S+)$/) {
99 my $ttime = hex($timestamp);
101 my $digest = Digest
::SHA
::sha1_base64
("$timestamp:$username", &$get_csrfr_secret());
103 my $age = time() - $ttime;
104 return if ($digest eq $sig) && ($age > -300) && ($age < $ticket_lifetime);
107 die "Permission denied - invalid csrf token\n" if !$noerr;
112 my $pve_auth_priv_key;
115 return $pve_auth_priv_key if $pve_auth_priv_key;
117 my $input = PVE
::Tools
::file_get_contents
($authprivkeyfn);
119 $pve_auth_priv_key = Crypt
::OpenSSL
::RSA-
>new_private_key($input);
121 return $pve_auth_priv_key;
124 sub assemble_ticket
{
127 my $rsa_priv = get_privkey
();
129 my $timestamp = sprintf("%08X", time());
131 my $plain = "PVE:$username:$timestamp";
133 my $ticket = $plain . "::" . encode_base64
($rsa_priv->sign($plain), '');
139 my ($ticket, $noerr) = @_;
141 if ($ticket && $ticket =~ m/^(PVE:\S+)::([^:\s]+)$/) {
145 my $rsa_pub = get_pubkey
();
146 if ($rsa_pub->verify($plain, decode_base64
($sig))) {
147 if ($plain =~ m/^PVE:(\S+):([A-Z0-9]{8})$/) {
150 my $ttime = hex($timestamp);
152 my $age = time() - $ttime;
154 if (PVE
::Auth
::Plugin
::verify_username
($username, 1) &&
155 ($age > -300) && ($age < $ticket_lifetime)) {
156 return wantarray ?
($username, $age) : $username;
162 die "permission denied - invalid ticket\n" if !$noerr;
168 # - they do not contain the username in plain text
169 # - they are restricted to a specific resource path (example: '/vms/100')
170 sub assemble_vnc_ticket
{
171 my ($username, $path) = @_;
173 my $rsa_priv = get_privkey
();
175 my $timestamp = sprintf("%08X", time());
177 my $plain = "PVEVNC:$timestamp";
179 $path = normalize_path
($path);
181 my $full = "$plain:$username:$path";
183 my $ticket = $plain . "::" . encode_base64
($rsa_priv->sign($full), '');
188 sub verify_vnc_ticket
{
189 my ($ticket, $username, $path, $noerr) = @_;
191 if ($ticket && $ticket =~ m/^(PVEVNC:\S+)::([^:\s]+)$/) {
194 my $full = "$plain:$username:$path";
196 my $rsa_pub = get_pubkey
();
197 # Note: sign only match if $username and $path is correct
198 if ($rsa_pub->verify($full, decode_base64
($sig))) {
199 if ($plain =~ m/^PVEVNC:([A-Z0-9]{8})$/) {
202 my $age = time() - $ttime;
204 if (($age > -20) && ($age < 40)) {
211 die "permission denied - invalid vnc ticket\n" if !$noerr;
216 sub assemble_spice_ticket
{
217 my ($username, $vmid, $node) = @_;
219 my $rsa_priv = get_privkey
();
221 my $timestamp = sprintf("%08x", time());
223 my $randomstr = "PVESPICE:$timestamp:$vmid:$node:" . rand(10);
225 # this should be uses as one-time password
226 # max length is 60 chars (spice limit)
227 # we pass this to qemu set_pasword and limit lifetime there
229 my $ticket = Digest
::SHA
::sha1_hex
($rsa_priv->sign($randomstr));
231 # Note: spice proxy connects with HTTP, so $proxyticket is exposed to public
232 # we use a signature/timestamp to make sure nobody can fake such ticket
233 # an attacker can use this $proxyticket, but he will fail because $ticket is
235 # The proxy need to be able to extract/verify the ticket
236 # Note: data needs to be lower case only, because virt-viewer needs that
237 # Note: RSA signature are too long (>=256 charaters) and makes problems with remote-viewer
239 my $secret = &$get_csrfr_secret();
240 my $plain = "pvespiceproxy:$timestamp:$vmid:$node";
242 # produces 40 characters
243 my $sig = unpack("H*", Digest
::SHA
::sha1
($plain, &$get_csrfr_secret()));
245 #my $sig = unpack("H*", $rsa_priv->sign($plain)); # this produce too long strings (512)
247 my $proxyticket = $plain . "::" . $sig;
249 return ($ticket, $proxyticket);
252 sub verify_spice_connect_url
{
253 my ($connect_str) = @_;
255 # Note: we pass the spice ticket as 'host', so the
256 # spice viewer connects with "$ticket:$port"
258 return undef if !$connect_str;
260 if ($connect_str =~m/^pvespiceproxy:([a-z0-9]{8}):(\d+):(\S+)::([a-z0-9]{40}):(\d+)$/) {
261 my ($timestamp, $vmid, $node, $hexsig, $port) = ($1, $2, $3, $4, $5, $6);
262 my $ttime = hex($timestamp);
263 my $age = time() - $ttime;
265 # use very limited lifetime - is this enough?
266 return undef if !(($age > -20) && ($age < 40));
268 my $plain = "pvespiceproxy:$timestamp:$vmid:$node";
269 my $sig = unpack("H*", Digest
::SHA
::sha1
($plain, &$get_csrfr_secret()));
271 if ($sig eq $hexsig) {
272 return ($vmid, $node, $port);
279 sub check_user_exist
{
280 my ($usercfg, $username, $noerr) = @_;
282 $username = PVE
::Auth
::Plugin
::verify_username
($username, $noerr);
283 return undef if !$username;
285 return $usercfg->{users
}->{$username} if $usercfg && $usercfg->{users
}->{$username};
287 die "no such user ('$username')\n" if !$noerr;
292 sub check_user_enabled
{
293 my ($usercfg, $username, $noerr) = @_;
295 my $data = check_user_exist
($usercfg, $username, $noerr);
296 return undef if !$data;
298 return 1 if $data->{enable
};
300 return 1 if $username eq 'root@pam'; # root is always enabled
302 die "user '$username' is disabled\n" if !$noerr;
307 # password should be utf8 encoded
308 sub authenticate_user
{
309 my ($username, $password) = @_;
311 die "no username specified\n" if !$username;
315 ($username, $ruid, $realm) = PVE
::Auth
::Plugin
::verify_username
($username);
317 my $usercfg = cfs_read_file
('user.cfg');
319 eval { check_user_enabled
($usercfg, $username); };
326 my $expire = $usercfg->{users
}->{$username}->{expire
};
328 if ($expire && ($expire < $ctime)) {
330 die "account expired\n"
333 my $domain_cfg = cfs_read_file
('domains.cfg');
336 my $cfg = $domain_cfg->{ids
}->{$realm};
337 die "auth domain '$realm' does not exists\n" if !$cfg;
338 my $plugin = PVE
::Auth
::Plugin-
>lookup($cfg->{type
});
339 $plugin->authenticate_user($cfg, $realm, $ruid, $password);
342 sleep(2); # timeout after failed auth
349 sub domain_set_password
{
350 my ($realm, $username, $password) = @_;
352 die "no auth domain specified" if !$realm;
354 my $domain_cfg = cfs_read_file
('domains.cfg');
356 my $cfg = $domain_cfg->{ids
}->{$realm};
357 die "auth domain '$realm' does not exists\n" if !$cfg;
358 my $plugin = PVE
::Auth
::Plugin-
>lookup($cfg->{type
});
359 $plugin->store_password($cfg, $realm, $username, $password);
364 my ($username, $usercfg, $group) = @_;
365 $usercfg->{users
}->{$username}->{groups
}->{$group} = 1;
366 $usercfg->{groups
}->{$group}->{users
}->{$username} = 1;
369 sub delete_user_group
{
371 my ($username, $usercfg) = @_;
373 foreach my $group (keys %{$usercfg->{groups
}}) {
375 delete ($usercfg->{groups
}->{$group}->{users
}->{$username})
376 if $usercfg->{groups
}->{$group}->{users
}->{$username};
380 sub delete_user_acl
{
382 my ($username, $usercfg) = @_;
384 foreach my $acl (keys %{$usercfg->{acl
}}) {
386 delete ($usercfg->{acl
}->{$acl}->{users
}->{$username})
387 if $usercfg->{acl
}->{$acl}->{users
}->{$username};
391 sub delete_group_acl
{
393 my ($group, $usercfg) = @_;
395 foreach my $acl (keys %{$usercfg->{acl
}}) {
397 delete ($usercfg->{acl
}->{$acl}->{groups
}->{$group})
398 if $usercfg->{acl
}->{$acl}->{groups
}->{$group};
402 sub delete_pool_acl
{
404 my ($pool, $usercfg) = @_;
406 my $path = "/pool/$pool";
408 foreach my $aclpath (keys %{$usercfg->{acl
}}) {
409 delete ($usercfg->{acl
}->{$aclpath})
410 if $usercfg->{acl
}->{$aclpath} eq 'path';
414 # we automatically create some predefined roles by splitting privs
415 # into 3 groups (per category)
416 # root: only root is allowed to do that
417 # admin: an administrator can to that
418 # user: a normak user/customer can to that
428 'VM.Config.Options', # covers all other things
436 'VM.Config.CDROM', # change CDROM media
448 'Sys.Modify', # edit/change node settings
451 'Permissions.Modify',
463 'Datastore.Allocate',
464 'Datastore.AllocateTemplate',
467 'Datastore.AllocateSpace',
479 'Group.Allocate', # edit/change group settings
480 'Realm.AllocateUser',
488 'Pool.Allocate', # create/delete pools
495 my $valid_privs = {};
497 my $special_roles = {
498 'NoAccess' => {}, # no priviledges
499 'Administrator' => $valid_privs, # all priviledges
504 foreach my $cat (keys %$privgroups) {
505 my $cd = $privgroups->{$cat};
506 foreach my $p (@{$cd->{root
}}, @{$cd->{admin
}},
507 @{$cd->{user
}}, @{$cd->{audit
}}) {
508 $valid_privs->{$p} = 1;
510 foreach my $p (@{$cd->{admin
}}, @{$cd->{user
}}, @{$cd->{audit
}}) {
512 $special_roles->{"PVE${cat}Admin"}->{$p} = 1;
513 $special_roles->{"PVEAdmin"}->{$p} = 1;
515 if (scalar(@{$cd->{user
}})) {
516 foreach my $p (@{$cd->{user
}}, @{$cd->{audit
}}) {
517 $special_roles->{"PVE${cat}User"}->{$p} = 1;
520 foreach my $p (@{$cd->{audit
}}) {
521 $special_roles->{"PVEAuditor"}->{$p} = 1;
525 $special_roles->{"PVETemplateUser"} = { 'VM.Clone' => 1, 'VM.Audit' => 1 };
531 my ($role, $usercfg, $privs) = @_;
535 die "role '$role' does not exist\n" if !$usercfg->{roles
}->{$role};
537 foreach my $priv (split_list
($privs)) {
538 if (defined ($valid_privs->{$priv})) {
539 $usercfg->{roles
}->{$role}->{$priv} = 1;
541 die "invalid priviledge '$priv'\n";
553 $path = '/' if !$path;
555 $path = "/$path" if $path !~ m
|^/|;
557 return undef if $path !~ m
|^[[:alnum
:]\
-\_\
/]+$|;
563 PVE
::JSONSchema
::register_format
('pve-groupid', \
&verify_groupname
);
564 sub verify_groupname
{
565 my ($groupname, $noerr) = @_;
567 if ($groupname !~ m/^[A-Za-z0-9\.\-_]+$/) {
569 die "group name '$groupname' contains invalid characters\n" if !$noerr;
577 PVE
::JSONSchema
::register_format
('pve-roleid', \
&verify_rolename
);
578 sub verify_rolename
{
579 my ($rolename, $noerr) = @_;
581 if ($rolename !~ m/^[A-Za-z0-9\.\-_]+$/) {
583 die "role name '$rolename' contains invalid characters\n" if !$noerr;
591 PVE
::JSONSchema
::register_format
('pve-poolid', \
&verify_groupname
);
592 sub verify_poolname
{
593 my ($poolname, $noerr) = @_;
595 if ($poolname !~ m/^[A-Za-z0-9\.\-_]+$/) {
597 die "pool name '$poolname' contains invalid characters\n" if !$noerr;
605 PVE
::JSONSchema
::register_format
('pve-priv', \
&verify_privname
);
606 sub verify_privname
{
607 my ($priv, $noerr) = @_;
609 if (!$valid_privs->{$priv}) {
610 die "invalid priviledge '$priv'\n" if !$noerr;
618 sub userconfig_force_defaults
{
621 foreach my $r (keys %$special_roles) {
622 $cfg->{roles
}->{$r} = $special_roles->{$r};
625 # fixme: remove 'root' group (not required)?
628 $cfg->{users
}->{'root@pam'}->{enable
} = 1;
631 sub parse_user_config
{
632 my ($filename, $raw) = @_;
636 userconfig_force_defaults
($cfg);
638 while ($raw && $raw =~ s/^(.*?)(\n|$)//) {
641 next if $line =~ m/^\s*$/; # skip empty lines
645 foreach my $d (split (/:/, $line)) {
651 my $et = shift @data;
654 my ($user, $enable, $expire, $firstname, $lastname, $email, $comment) = @data;
656 my (undef, undef, $realm) = PVE
::Auth
::Plugin
::verify_username
($user, 1);
658 warn "user config - ignore user '$user' - invalid user name\n";
662 $enable = $enable ?
1 : 0;
664 $expire = 0 if !$expire;
666 if ($expire !~ m/^\d+$/) {
667 warn "user config - ignore user '$user' - (illegal characters in expire '$expire')\n";
670 $expire = int($expire);
672 #if (!verify_groupname ($group, 1)) {
673 # warn "user config - ignore user '$user' - invalid characters in group name\n";
677 $cfg->{users
}->{$user} = {
681 $cfg->{users
}->{$user}->{firstname
} = PVE
::Tools
::decode_text
($firstname) if $firstname;
682 $cfg->{users
}->{$user}->{lastname
} = PVE
::Tools
::decode_text
($lastname) if $lastname;
683 $cfg->{users
}->{$user}->{email
} = $email;
684 $cfg->{users
}->{$user}->{comment
} = PVE
::Tools
::decode_text
($comment) if $comment;
685 $cfg->{users
}->{$user}->{expire
} = $expire;
687 #$cfg->{users}->{$user}->{groups}->{$group} = 1;
688 #$cfg->{groups}->{$group}->{$user} = 1;
690 } elsif ($et eq 'group') {
691 my ($group, $userlist, $comment) = @data;
693 if (!verify_groupname
($group, 1)) {
694 warn "user config - ignore group '$group' - invalid characters in group name\n";
698 # make sure to add the group (even if there are no members)
699 $cfg->{groups
}->{$group} = { users
=> {} } if !$cfg->{groups
}->{$group};
701 $cfg->{groups
}->{$group}->{comment
} = PVE
::Tools
::decode_text
($comment) if $comment;
703 foreach my $user (split_list
($userlist)) {
705 if (!PVE
::Auth
::Plugin
::verify_username
($user, 1)) {
706 warn "user config - ignore invalid group member '$user'\n";
710 if ($cfg->{users
}->{$user}) { # user exists
711 $cfg->{users
}->{$user}->{groups
}->{$group} = 1;
712 $cfg->{groups
}->{$group}->{users
}->{$user} = 1;
714 warn "user config - ignore invalid group member '$user'\n";
718 } elsif ($et eq 'role') {
719 my ($role, $privlist) = @data;
721 if (!verify_rolename
($role, 1)) {
722 warn "user config - ignore role '$role' - invalid characters in role name\n";
726 # make sure to add the role (even if there are no privileges)
727 $cfg->{roles
}->{$role} = {} if !$cfg->{roles
}->{$role};
729 foreach my $priv (split_list
($privlist)) {
730 if (defined ($valid_privs->{$priv})) {
731 $cfg->{roles
}->{$role}->{$priv} = 1;
733 warn "user config - ignore invalid priviledge '$priv'\n";
737 } elsif ($et eq 'acl') {
738 my ($propagate, $pathtxt, $uglist, $rolelist) = @data;
740 if (my $path = normalize_path
($pathtxt)) {
741 foreach my $role (split_list
($rolelist)) {
743 if (!verify_rolename
($role, 1)) {
744 warn "user config - ignore invalid role name '$role' in acl\n";
748 foreach my $ug (split_list
($uglist)) {
749 if ($ug =~ m/^@(\S+)$/) {
751 if ($cfg->{groups
}->{$group}) { # group exists
752 $cfg->{acl
}->{$path}->{groups
}->{$group}->{$role} = $propagate;
754 warn "user config - ignore invalid acl group '$group'\n";
756 } elsif (PVE
::Auth
::Plugin
::verify_username
($ug, 1)) {
757 if ($cfg->{users
}->{$ug}) { # user exists
758 $cfg->{acl
}->{$path}->{users
}->{$ug}->{$role} = $propagate;
760 warn "user config - ignore invalid acl member '$ug'\n";
763 warn "user config - invalid user/group '$ug' in acl\n";
768 warn "user config - ignore invalid path in acl '$pathtxt'\n";
770 } elsif ($et eq 'pool') {
771 my ($pool, $comment, $vmlist, $storelist) = @data;
773 if (!verify_poolname
($pool, 1)) {
774 warn "user config - ignore pool '$pool' - invalid characters in pool name\n";
778 # make sure to add the pool (even if there are no members)
779 $cfg->{pools
}->{$pool} = { vms
=> {}, storage
=> {} } if !$cfg->{pools
}->{$pool};
781 $cfg->{pools
}->{$pool}->{comment
} = PVE
::Tools
::decode_text
($comment) if $comment;
783 foreach my $vmid (split_list
($vmlist)) {
784 if ($vmid !~ m/^\d+$/) {
785 warn "user config - ignore invalid vmid '$vmid' in pool '$pool'\n";
790 if ($cfg->{vms
}->{$vmid}) {
791 warn "user config - ignore duplicate vmid '$vmid' in pool '$pool'\n";
795 $cfg->{pools
}->{$pool}->{vms
}->{$vmid} = 1;
797 # record vmid ==> pool relation
798 $cfg->{vms
}->{$vmid} = $pool;
801 foreach my $storeid (split_list
($storelist)) {
802 if ($storeid !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) {
803 warn "user config - ignore invalid storage '$storeid' in pool '$pool'\n";
806 $cfg->{pools
}->{$pool}->{storage
}->{$storeid} = 1;
809 warn "user config - ignore config line: $line\n";
813 userconfig_force_defaults
($cfg);
818 sub write_user_config
{
819 my ($filename, $cfg) = @_;
823 foreach my $user (keys %{$cfg->{users
}}) {
824 my $d = $cfg->{users
}->{$user};
825 my $firstname = $d->{firstname
} ? PVE
::Tools
::encode_text
($d->{firstname
}) : '';
826 my $lastname = $d->{lastname
} ? PVE
::Tools
::encode_text
($d->{lastname
}) : '';
827 my $email = $d->{email
} || '';
828 my $comment = $d->{comment
} ? PVE
::Tools
::encode_text
($d->{comment
}) : '';
829 my $expire = int($d->{expire
} || 0);
830 my $enable = $d->{enable
} ?
1 : 0;
831 $data .= "user:$user:$enable:$expire:$firstname:$lastname:$email:$comment:\n";
836 foreach my $group (keys %{$cfg->{groups
}}) {
837 my $d = $cfg->{groups
}->{$group};
838 my $list = join (',', keys %{$d->{users
}});
839 my $comment = $d->{comment
} ? PVE
::Tools
::encode_text
($d->{comment
}) : '';
840 $data .= "group:$group:$list:$comment:\n";
845 foreach my $pool (keys %{$cfg->{pools
}}) {
846 my $d = $cfg->{pools
}->{$pool};
847 my $vmlist = join (',', keys %{$d->{vms
}});
848 my $storelist = join (',', keys %{$d->{storage
}});
849 my $comment = $d->{comment
} ? PVE
::Tools
::encode_text
($d->{comment
}) : '';
850 $data .= "pool:$pool:$comment:$vmlist:$storelist:\n";
855 foreach my $role (keys %{$cfg->{roles
}}) {
856 next if $special_roles->{$role};
858 my $d = $cfg->{roles
}->{$role};
859 my $list = join (',', keys %$d);
860 $data .= "role:$role:$list:\n";
865 foreach my $path (sort keys %{$cfg->{acl
}}) {
866 my $d = $cfg->{acl
}->{$path};
870 foreach my $group (keys %{$d->{groups
}}) {
873 foreach my $role (sort keys %{$d->{groups
}->{$group}}) {
874 my $propagate = $d->{groups
}->{$group}->{$role};
883 $ra->{0}->{$l0}->{"\@$group"} = 1 if $l0;
884 $ra->{1}->{$l1}->{"\@$group"} = 1 if $l1;
887 foreach my $user (keys %{$d->{users
}}) {
888 # no need to save, because root is always 'Administartor'
889 next if $user eq 'root@pam';
893 foreach my $role (sort keys %{$d->{users
}->{$user}}) {
894 my $propagate = $d->{users
}->{$user}->{$role};
903 $ra->{0}->{$l0}->{$user} = 1 if $l0;
904 $ra->{1}->{$l1}->{$user} = 1 if $l1;
907 foreach my $rolelist (sort keys %{$ra->{0}}) {
908 my $uglist = join (',', keys %{$ra->{0}->{$rolelist}});
909 $data .= "acl:0:$path:$uglist:$rolelist:\n";
911 foreach my $rolelist (sort keys %{$ra->{1}}) {
912 my $uglist = join (',', keys %{$ra->{1}->{$rolelist}});
913 $data .= "acl:1:$path:$uglist:$rolelist:\n";
921 my ($cfg, $user, $path) = @_;
923 # NOTE: we do not consider pools here.
924 # You need to use $rpcenv->roles() instead if you want that.
926 return 'Administrator' if $user eq 'root@pam'; # root can do anything
930 foreach my $p (sort keys %{$cfg->{acl
}}) {
931 my $final = ($path eq $p);
933 next if !(($p eq '/') || $final || ($path =~ m
|^$p/|));
935 my $acl = $cfg->{acl
}->{$p};
937 #print "CHECKACL $path $p\n";
938 #print "ACL $path = " . Dumper ($acl);
940 if (my $ri = $acl->{users
}->{$user}) {
942 foreach my $role (keys %$ri) {
943 my $propagate = $ri->{$role};
944 if ($final || $propagate) {
945 #print "APPLY ROLE $p $user $role\n";
951 $perm = $new; # overwrite previous settings
952 next; # user privs always override group privs
957 foreach my $g (keys %{$acl->{groups
}}) {
958 next if !$cfg->{groups
}->{$g}->{users
}->{$user};
959 if (my $ri = $acl->{groups
}->{$g}) {
960 foreach my $role (keys %$ri) {
961 my $propagate = $ri->{$role};
962 if ($final || $propagate) {
963 #print "APPLY ROLE $p \@$g $role\n";
971 $perm = $new; # overwrite previous settings
976 return ('NoAccess') if defined ($perm->{NoAccess
});
977 #return () if defined ($perm->{NoAccess});
979 #print "permission $user $path = " . Dumper ($perm);
981 my @ra = keys %$perm;
983 #print "roles $user $path = " . join (',', @ra) . "\n";
989 my ($cfg, $user, $path) = @_;
991 $user = PVE
::Auth
::Plugin
::verify_username
($user, 1);
994 my @ra = roles
($cfg, $user, $path);
998 foreach my $role (@ra) {
999 if (my $privset = $cfg->{roles
}->{$role}) {
1000 foreach my $p (keys %$privset) {
1006 #print "priviledges $user $path = " . Dumper ($privs);
1011 sub check_permissions
{
1012 my ($username, $path, $privlist) = @_;
1014 $path = normalize_path
($path);
1015 my $usercfg = cfs_read_file
('user.cfg');
1016 my $perm = permission
($usercfg, $username, $path);
1018 foreach my $priv (split_list
($privlist)) {
1019 return undef if !$perm->{$priv};
1025 sub add_vm_to_pool
{
1026 my ($vmid, $pool) = @_;
1028 my $addVMtoPoolFn = sub {
1029 my $usercfg = cfs_read_file
("user.cfg");
1030 if (my $data = $usercfg->{pools
}->{$pool}) {
1031 $data->{vms
}->{$vmid} = 1;
1032 $usercfg->{vms
}->{$vmid} = $pool;
1033 cfs_write_file
("user.cfg", $usercfg);
1037 lock_user_config
($addVMtoPoolFn, "can't add VM $vmid to pool '$pool'");
1040 sub remove_vm_from_pool
{
1043 my $delVMfromPoolFn = sub {
1044 my $usercfg = cfs_read_file
("user.cfg");
1045 if (my $pool = $usercfg->{vms
}->{$vmid}) {
1046 if (my $data = $usercfg->{pools
}->{$pool}) {
1047 delete $data->{vms
}->{$vmid};
1048 delete $usercfg->{vms
}->{$vmid};
1049 cfs_write_file
("user.cfg", $usercfg);
1054 lock_user_config
($delVMfromPoolFn, "pool cleanup for VM $vmid failed");