1 package PVE
::AccessControl
;
5 use Crypt
::OpenSSL
::Random
;
6 use Crypt
::OpenSSL
::RSA
;
9 use Authen
::PAM
qw(:constants);
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);
16 use Data
::Dumper
; # fixme: remove
18 # $authdir must be writable by root only!
19 my $confdir = "/etc/pve";
20 my $authdir = "$confdir/priv";
21 my $authprivkeyfn = "$authdir/authkey.key";
22 my $authpubkeyfn = "$confdir/authkey.pub";
23 my $shadowconfigfile = "priv/shadow.cfg";
24 my $domainconfigfile = "domains.cfg";
25 my $pve_www_key_fn = "$confdir/pve-www.key";
27 my $ticket_lifetime = 3600*2; # 2 hours
29 Crypt
::OpenSSL
::RSA-
>import_random_seed();
31 cfs_register_file
('user.cfg',
35 cfs_register_file
($shadowconfigfile,
36 \
&parse_shadow_passwd
,
37 \
&write_shadow_config
);
39 cfs_register_file
($domainconfigfile,
44 sub lock_user_config
{
45 my ($code, $errmsg) = @_;
47 cfs_lock_file
("user.cfg", undef, $code);
50 $errmsg ?
die "$errmsg: $err" : die $err;
54 sub lock_domain_config
{
55 my ($code, $errmsg) = @_;
57 cfs_lock_file
($domainconfigfile, undef, $code);
60 $errmsg ?
die "$errmsg: $err" : die $err;
64 sub lock_shadow_config
{
65 my ($code, $errmsg) = @_;
67 cfs_lock_file
($shadowconfigfile, undef, $code);
70 $errmsg ?
die "$errmsg: $err" : die $err;
77 return $pve_auth_pub_key if $pve_auth_pub_key;
79 my $input = PVE
::Tools
::file_get_contents
($authpubkeyfn);
81 $pve_auth_pub_key = Crypt
::OpenSSL
::RSA-
>new_public_key($input);
83 return $pve_auth_pub_key;
86 my $csrf_prevention_secret;
87 my $get_csrfr_secret = sub {
88 if (!$csrf_prevention_secret) {
89 my $input = PVE
::Tools
::file_get_contents
($pve_www_key_fn);
90 $csrf_prevention_secret = Digest
::SHA
::sha1_base64
($input);
92 return $csrf_prevention_secret;
95 sub assemble_csrf_prevention_token
{
98 my $timestamp = sprintf("%08X", time());
100 my $digest = Digest
::SHA
::sha1_base64
("$timestamp:$username", &$get_csrfr_secret());
102 return "$timestamp:$digest";
105 sub verify_csrf_prevention_token
{
106 my ($username, $token, $noerr) = @_;
108 if ($token =~ m/^([A-Z0-9]{8}):(\S+)$/) {
111 my $ttime = hex($timestamp);
113 my $digest = Digest
::SHA
::sha1_base64
("$timestamp:$username", &$get_csrfr_secret());
115 my $age = time() - $ttime;
116 return if ($digest eq $sig) && ($age > -300) && ($age < $ticket_lifetime);
119 die "Permission denied - invalid csrf token\n" if !$noerr;
124 my $pve_auth_priv_key;
127 return $pve_auth_priv_key if $pve_auth_priv_key;
129 my $input = PVE
::Tools
::file_get_contents
($authprivkeyfn);
131 $pve_auth_priv_key = Crypt
::OpenSSL
::RSA-
>new_private_key($input);
133 return $pve_auth_priv_key;
136 sub assemble_ticket
{
139 my $rsa_priv = get_privkey
();
141 my $timestamp = sprintf("%08X", time());
143 my $plain = "PVE:$username:$timestamp";
145 my $ticket = $plain . "::" . encode_base64
($rsa_priv->sign($plain), '');
151 my ($ticket, $noerr) = @_;
153 if ($ticket && $ticket =~ m/^(PVE:\S+)::([^:\s]+)$/) {
157 my $rsa_pub = get_pubkey
();
158 if ($rsa_pub->verify($plain, decode_base64
($sig))) {
159 if ($plain =~ m/^PVE:(\S+):([A-Z0-9]{8})$/) {
162 my $ttime = hex($timestamp);
164 my $age = time() - $ttime;
166 if (verify_username
($username, 1) &&
167 ($age > -300) && ($age < $ticket_lifetime)) {
168 return wantarray ?
($username, $age) : $username;
174 die "permission denied - invalid ticket\n" if !$noerr;
180 # - they do not contain the username in plain text
181 # - they are restricted to a specific resource path (example: '/vms/100')
182 sub assemble_vnc_ticket
{
183 my ($username, $path) = @_;
185 my $rsa_priv = get_privkey
();
187 my $timestamp = sprintf("%08X", time());
189 my $plain = "PVEVNC:$timestamp";
191 $path = normalize_path
($path);
193 my $full = "$plain:$username:$path";
195 my $ticket = $plain . "::" . encode_base64
($rsa_priv->sign($full), '');
200 sub verify_vnc_ticket
{
201 my ($ticket, $username, $path, $noerr) = @_;
203 if ($ticket && $ticket =~ m/^(PVEVNC:\S+)::([^:\s]+)$/) {
206 my $full = "$plain:$username:$path";
208 my $rsa_pub = get_pubkey
();
209 # Note: sign only match if $username and $path is correct
210 if ($rsa_pub->verify($full, decode_base64
($sig))) {
211 if ($plain =~ m/^PVEVNC:([A-Z0-9]{8})$/) {
214 my $age = time() - $ttime;
216 if (($age > -20) && ($age < 40)) {
223 die "permission denied - invalid vnc ticket\n" if !$noerr;
229 sub authenticate_user_shadow
{
230 my ($userid, $password) = @_;
232 die "no password\n" if !$password;
234 my $shadow_cfg = cfs_read_file
($shadowconfigfile);
236 if ($shadow_cfg->{users
}->{$userid}) {
237 my $encpw = crypt($password, $shadow_cfg->{users
}->{$userid}->{shadow
});
238 die "invalid credentials\n" if ($encpw ne $shadow_cfg->{users
}->{$userid}->{shadow
});
240 die "no password set\n";
244 sub authenticate_user_pam
{
245 my ($userid, $password) = @_;
247 # user (www-data) need to be able to read /etc/passwd /etc/shadow
249 die "no password\n" if !$password;
251 my $pamh = new Authen
::PAM
('common-auth', $userid, sub {
254 my $msg_type = shift;
256 push @res, (0, $password);
263 my $err = $pamh->pam_strerror($pamh);
264 die "error during PAM init: $err";
269 if (($res = $pamh->pam_authenticate(0)) != PAM_SUCCESS
) {
270 my $err = $pamh->pam_strerror($res);
274 if (($res = $pamh->pam_acct_mgmt (0)) != PAM_SUCCESS
) {
275 my $err = $pamh->pam_strerror($res);
279 $pamh = 0; # call destructor
282 sub authenticate_user_ad
{
284 my ($entry, $server, $userid, $password) = @_;
286 my $default_port = $entry->{secure
} ?
636: 389;
287 my $port = $entry->{port
} ?
$entry->{port
} : $default_port;
288 my $scheme = $entry->{secure
} ?
'ldaps' : 'ldap';
289 my $conn_string = "$scheme://${server}:$port";
291 my $ldap = Net
::LDAP-
>new($server) || die "$@\n";
293 $userid = "$userid\@$entry->{domain}"
294 if $userid !~ m/@/ && $entry->{domain
};
296 my $res = $ldap->bind($userid, password
=> $password);
298 my $code = $res->code();
299 my $err = $res->error;
303 die "$err\n" if ($code);
306 sub authenticate_user_ldap
{
308 my ($entry, $server, $userid, $password) = @_;
310 my $default_port = $entry->{secure
} ?
636: 389;
311 my $port = $entry->{port
} ?
$entry->{port
} : $default_port;
312 my $scheme = $entry->{secure
} ?
'ldaps' : 'ldap';
313 my $conn_string = "$scheme://${server}:$port";
315 my $ldap = Net
::LDAP-
>new($conn_string, verify
=> 'none') || die "$@\n";
316 my $search = $entry->{user_attr
} . "=" . $userid;
317 my $result = $ldap->search( base
=> "$entry->{base_dn}",
322 die "no entries returned\n" if !$result->entries;
323 my @entries = $result->entries;
324 my $res = $ldap->bind($entries[0]->dn, password
=> $password);
326 my $code = $res->code();
327 my $err = $res->error;
331 die "$err\n" if ($code);
334 sub authenticate_user_domain
{
335 my ($realm, $userid, $password) = @_;
337 my $domain_cfg = cfs_read_file
($domainconfigfile);
339 die "no auth domain specified" if !$realm;
341 if ($realm eq 'pam') {
342 authenticate_user_pam
($userid, $password);
347 if ($realm eq 'pve') {
348 authenticate_user_shadow
($userid, $password);
351 my $cfg = $domain_cfg->{$realm};
352 die "auth domain '$realm' does not exists\n" if !$cfg;
354 if ($cfg->{type
} eq 'ad') {
355 eval { authenticate_user_ad
($cfg, $cfg->{server1
}, $userid, $password); };
358 die $err if !$cfg->{server2
};
359 authenticate_user_ad
($cfg, $cfg->{server2
}, $userid, $password);
360 } elsif ($cfg->{type
} eq 'ldap') {
361 eval { authenticate_user_ldap
($cfg, $cfg->{server1
}, $userid, $password); };
364 die $err if !$cfg->{server2
};
365 authenticate_user_ldap
($cfg, $cfg->{server2
}, $userid, $password);
367 die "unknown auth type '$cfg->{type}'\n";
372 sleep(2); # timeout after failed auth
377 sub check_user_exist
{
378 my ($usercfg, $username, $noerr) = @_;
380 $username = verify_username
($username, $noerr);
381 return undef if !$username;
383 return $usercfg->{users
}->{$username} if $usercfg && $usercfg->{users
}->{$username};
385 die "no such user ('$username')\n" if !$noerr;
390 sub check_user_enabled
{
391 my ($usercfg, $username, $noerr) = @_;
393 my $data = check_user_exist
($usercfg, $username, $noerr);
394 return undef if !$data;
396 return 1 if $data->{enable
};
398 return 1 if $username eq 'root@pam'; # root is always enabled
400 die "user '$username' is disabled\n" if !$noerr;
405 # password should be utf8 encoded
406 sub authenticate_user
{
407 my ($username, $password) = @_;
409 die "no username specified\n" if !$username;
411 my ($userid, $realm);
413 ($username, $userid, $realm) = verify_username
($username);
415 my $usercfg = cfs_read_file
('user.cfg');
417 eval { check_user_enabled
($usercfg, $username); };
424 my $expire = $usercfg->{users
}->{$username}->{expire
};
426 if ($expire && ($expire < $ctime)) {
428 die "account expired\n"
431 authenticate_user_domain
($realm, $userid, $password);
436 sub delete_shadow_password
{
439 lock_shadow_config
(sub {
440 my $shadow_cfg = cfs_read_file
($shadowconfigfile);
441 delete ($shadow_cfg->{users
}->{$userid})
442 if $shadow_cfg->{users
}->{$userid};
443 cfs_write_file
($shadowconfigfile, $shadow_cfg);
447 sub store_shadow_password
{
448 my ($userid, $password) = @_;
450 lock_shadow_config
(sub {
451 my $shadow_cfg = cfs_read_file
($shadowconfigfile);
452 $shadow_cfg->{users
}->{$userid}->{shadow
} = encrypt_pw
($password);
453 cfs_write_file
($shadowconfigfile, $shadow_cfg);
460 my $time = substr (Digest
::SHA
::sha1_base64
(time), 0, 8);
461 return crypt (encode
("utf8", $pw), "\$5\$$time\$");
464 sub store_pam_password
{
465 my ($userid, $password) = @_;
467 my $cmd = ['usermod'];
469 my $epw = encrypt_pw
($password);
470 push @$cmd, '-p', $epw;
474 run_command
($cmd, errmsg
=> 'change password failed');
477 sub domain_set_password
{
478 my ($realm, $userid, $password) = @_;
480 die "no auth domain specified" if !$realm;
482 if ($realm eq 'pam') {
483 store_pam_password
($userid, $password);
484 } elsif ($realm eq 'pve') {
485 store_shadow_password
($userid, $password);
487 die "can't set password on auth domain '$realm'\n";
493 my ($username, $usercfg, $group) = @_;
494 $usercfg->{users
}->{$username}->{groups
}->{$group} = 1;
495 $usercfg->{groups
}->{$group}->{users
}->{$username} = 1;
498 sub delete_user_group
{
500 my ($username, $usercfg) = @_;
502 foreach my $group (keys %{$usercfg->{groups
}}) {
504 delete ($usercfg->{groups
}->{$group}->{users
}->{$username})
505 if $usercfg->{groups
}->{$group}->{users
}->{$username};
509 sub delete_user_acl
{
511 my ($username, $usercfg) = @_;
513 foreach my $acl (keys %{$usercfg->{acl
}}) {
515 delete ($usercfg->{acl
}->{$acl}->{users
}->{$username})
516 if $usercfg->{acl
}->{$acl}->{users
}->{$username};
520 sub delete_group_acl
{
522 my ($group, $usercfg) = @_;
524 foreach my $acl (keys %{$usercfg->{acl
}}) {
526 delete ($usercfg->{acl
}->{$acl}->{groups
}->{$group})
527 if $usercfg->{acl
}->{$acl}->{groups
}->{$group};
531 sub delete_pool_acl
{
533 my ($pool, $usercfg) = @_;
535 my $path = "/pool/$pool";
537 foreach my $aclpath (keys %{$usercfg->{acl
}}) {
538 delete ($usercfg->{acl
}->{$aclpath})
539 if $usercfg->{acl
}->{$aclpath} eq 'path';
543 # we automatically create some predefined roles by splitting privs
544 # into 3 groups (per category)
545 # root: only root is allowed to do that
546 # admin: an administrator can to that
547 # user: a normak user/customer can to that
557 'VM.Config.Options', # covers all other things
563 'VM.Config.CDROM', # change CDROM media
575 'Sys.Modify', # edit/change node settings
578 'Permissions.Modify',
590 'Datastore.Allocate',
591 'Datastore.AllocateTemplate',
594 'Datastore.AllocateSpace',
606 'Group.Allocate', # edit/change group settings
607 'Realm.AllocateUser',
615 'Pool.Allocate', # create/delete pools
622 my $valid_privs = {};
624 my $special_roles = {
625 'NoAccess' => {}, # no priviledges
626 'Administrator' => $valid_privs, # all priviledges
631 foreach my $cat (keys %$privgroups) {
632 my $cd = $privgroups->{$cat};
633 foreach my $p (@{$cd->{root
}}, @{$cd->{admin
}},
634 @{$cd->{user
}}, @{$cd->{audit
}}) {
635 $valid_privs->{$p} = 1;
637 foreach my $p (@{$cd->{admin
}}, @{$cd->{user
}}, @{$cd->{audit
}}) {
639 $special_roles->{"PVE${cat}Admin"}->{$p} = 1;
640 $special_roles->{"PVEAdmin"}->{$p} = 1;
642 if (scalar(@{$cd->{user
}})) {
643 foreach my $p (@{$cd->{user
}}, @{$cd->{audit
}}) {
644 $special_roles->{"PVE${cat}User"}->{$p} = 1;
647 foreach my $p (@{$cd->{audit
}}) {
648 $special_roles->{"PVEAuditor"}->{$p} = 1;
655 my $valid_attributes = {
657 server1
=> '[\w\d]+(.[\w\d]+)*',
658 server2
=> '[\w\d]+(.[\w\d]+)*',
665 server1
=> '[\w\d]+(.[\w\d]+)*',
666 server2
=> '[\w\d]+(.[\w\d]+)*',
667 base_dn
=> '\w+=[^,]+(,\s*\w+=[^,]+)*',
668 user_attr
=> '\S{2,}',
676 my ($role, $usercfg, $privs) = @_;
680 die "role '$role' does not exist\n" if !$usercfg->{roles
}->{$role};
682 foreach my $priv (split_list
($privs)) {
683 if (defined ($valid_privs->{$priv})) {
684 $usercfg->{roles
}->{$role}->{$priv} = 1;
686 die "invalid priviledge '$priv'\n";
698 $path = '/' if !$path;
700 $path = "/$path" if $path !~ m
|^/|;
702 return undef if $path !~ m
|^[[:alnum
:]\
-\_\
/]+$|;
707 my $realm_regex = qr/[A-Za-z][A-Za-z0-9\.\-_]+/;
709 PVE
::JSONSchema
::register_format
('pve-realm', \
&pve_verify_realm
);
710 sub pve_verify_realm
{
711 my ($realm, $noerr) = @_;
713 if ($realm !~ m/^${realm_regex}$/) {
714 return undef if $noerr;
715 die "value does not look like a valid realm\n";
720 PVE
::JSONSchema
::register_format
('pve-userid', \
&verify_username
);
721 sub verify_username
{
722 my ($username, $noerr) = @_;
724 $username = '' if !$username;
725 my $len = length($username);
727 die "user name '$username' is too short\n" if !$noerr;
731 die "user name '$username' is too long ($len > 64)\n" if !$noerr;
735 # we only allow a limited set of characters
736 # colon is not allowed, because we store usernames in
737 # colon separated lists)!
738 # slash is not allowed because it is used as pve API delimiter
739 # also see "man useradd"
740 if ($username =~ m!^([^\s:/]+)\@(${realm_regex})$!) {
741 return wantarray ?
($username, $1, $2) : $username;
744 die "value '$username' does not look like a valid user name\n" if !$noerr;
748 PVE
::JSONSchema
::register_standard_option
('userid', {
749 description
=> "User ID",
750 type
=> 'string', format
=> 'pve-userid',
754 PVE
::JSONSchema
::register_standard_option
('realm', {
755 description
=> "Authentication domain ID",
756 type
=> 'string', format
=> 'pve-realm',
760 PVE
::JSONSchema
::register_format
('pve-groupid', \
&verify_groupname
);
761 sub verify_groupname
{
762 my ($groupname, $noerr) = @_;
764 if ($groupname !~ m/^[A-Za-z0-9\.\-_]+$/) {
766 die "group name '$groupname' contains invalid characters\n" if !$noerr;
774 PVE
::JSONSchema
::register_format
('pve-roleid', \
&verify_rolename
);
775 sub verify_rolename
{
776 my ($rolename, $noerr) = @_;
778 if ($rolename !~ m/^[A-Za-z0-9\.\-_]+$/) {
780 die "role name '$rolename' contains invalid characters\n" if !$noerr;
788 PVE
::JSONSchema
::register_format
('pve-poolid', \
&verify_groupname
);
789 sub verify_poolname
{
790 my ($poolname, $noerr) = @_;
792 if ($poolname !~ m/^[A-Za-z0-9\.\-_]+$/) {
794 die "pool name '$poolname' contains invalid characters\n" if !$noerr;
802 PVE
::JSONSchema
::register_format
('pve-priv', \
&verify_privname
);
803 sub verify_privname
{
804 my ($priv, $noerr) = @_;
806 if (!$valid_privs->{$priv}) {
807 die "invalid priviledge '$priv'\n" if !$noerr;
815 sub userconfig_force_defaults
{
818 foreach my $r (keys %$special_roles) {
819 $cfg->{roles
}->{$r} = $special_roles->{$r};
822 # fixme: remove 'root' group (not required)?
825 $cfg->{users
}->{'root@pam'}->{enable
} = 1;
828 sub parse_user_config
{
829 my ($filename, $raw) = @_;
833 userconfig_force_defaults
($cfg);
835 while ($raw && $raw =~ s/^(.*?)(\n|$)//) {
838 next if $line =~ m/^\s*$/; # skip empty lines
842 foreach my $d (split (/:/, $line)) {
848 my $et = shift @data;
851 my ($user, $enable, $expire, $firstname, $lastname, $email, $comment) = @data;
853 my (undef, undef, $realm) = verify_username
($user, 1);
855 warn "user config - ignore user '$user' - invalid user name\n";
859 $enable = $enable ?
1 : 0;
861 $expire = 0 if !$expire;
863 if ($expire !~ m/^\d+$/) {
864 warn "user config - ignore user '$user' - (illegal characters in expire '$expire')\n";
867 $expire = int($expire);
869 #if (!verify_groupname ($group, 1)) {
870 # warn "user config - ignore user '$user' - invalid characters in group name\n";
874 $cfg->{users
}->{$user} = {
878 $cfg->{users
}->{$user}->{firstname
} = PVE
::Tools
::decode_text
($firstname) if $firstname;
879 $cfg->{users
}->{$user}->{lastname
} = PVE
::Tools
::decode_text
($lastname) if $lastname;
880 $cfg->{users
}->{$user}->{email
} = $email;
881 $cfg->{users
}->{$user}->{comment
} = PVE
::Tools
::decode_text
($comment) if $comment;
882 $cfg->{users
}->{$user}->{expire
} = $expire;
884 #$cfg->{users}->{$user}->{groups}->{$group} = 1;
885 #$cfg->{groups}->{$group}->{$user} = 1;
887 } elsif ($et eq 'group') {
888 my ($group, $userlist, $comment) = @data;
890 if (!verify_groupname
($group, 1)) {
891 warn "user config - ignore group '$group' - invalid characters in group name\n";
895 # make sure to add the group (even if there are no members)
896 $cfg->{groups
}->{$group} = { users
=> {} } if !$cfg->{groups
}->{$group};
898 $cfg->{groups
}->{$group}->{comment
} = PVE
::Tools
::decode_text
($comment) if $comment;
900 foreach my $user (split_list
($userlist)) {
902 if (!verify_username
($user, 1)) {
903 warn "user config - ignore invalid group member '$user'\n";
907 if ($cfg->{users
}->{$user}) { # user exists
908 $cfg->{users
}->{$user}->{groups
}->{$group} = 1;
909 $cfg->{groups
}->{$group}->{users
}->{$user} = 1;
911 warn "user config - ignore invalid group member '$user'\n";
915 } elsif ($et eq 'role') {
916 my ($role, $privlist) = @data;
918 if (!verify_rolename
($role, 1)) {
919 warn "user config - ignore role '$role' - invalid characters in role name\n";
923 # make sure to add the role (even if there are no privileges)
924 $cfg->{roles
}->{$role} = {} if !$cfg->{roles
}->{$role};
926 foreach my $priv (split_list
($privlist)) {
927 if (defined ($valid_privs->{$priv})) {
928 $cfg->{roles
}->{$role}->{$priv} = 1;
930 warn "user config - ignore invalid priviledge '$priv'\n";
934 } elsif ($et eq 'acl') {
935 my ($propagate, $pathtxt, $uglist, $rolelist) = @data;
937 if (my $path = normalize_path
($pathtxt)) {
938 foreach my $role (split_list
($rolelist)) {
940 if (!verify_rolename
($role, 1)) {
941 warn "user config - ignore invalid role name '$role' in acl\n";
945 foreach my $ug (split_list
($uglist)) {
946 if ($ug =~ m/^@(\S+)$/) {
948 if ($cfg->{groups
}->{$group}) { # group exists
949 $cfg->{acl
}->{$path}->{groups
}->{$group}->{$role} = $propagate;
951 warn "user config - ignore invalid acl group '$group'\n";
953 } elsif (verify_username
($ug, 1)) {
954 if ($cfg->{users
}->{$ug}) { # user exists
955 $cfg->{acl
}->{$path}->{users
}->{$ug}->{$role} = $propagate;
957 warn "user config - ignore invalid acl member '$ug'\n";
960 warn "user config - invalid user/group '$ug' in acl\n";
965 warn "user config - ignore invalid path in acl '$pathtxt'\n";
967 } elsif ($et eq 'pool') {
968 my ($pool, $comment, $vmlist, $storelist) = @data;
970 if (!verify_poolname
($pool, 1)) {
971 warn "user config - ignore pool '$pool' - invalid characters in pool name\n";
975 # make sure to add the pool (even if there are no members)
976 $cfg->{pools
}->{$pool} = { vms
=> {}, storage
=> {} } if !$cfg->{pools
}->{$pool};
978 $cfg->{pools
}->{$pool}->{comment
} = PVE
::Tools
::decode_text
($comment) if $comment;
980 foreach my $vmid (split_list
($vmlist)) {
981 if ($vmid !~ m/^\d+$/) {
982 warn "user config - ignore invalid vmid '$vmid' in pool '$pool'\n";
987 if ($cfg->{vms
}->{$vmid}) {
988 warn "user config - ignore duplicate vmid '$vmid' in pool '$pool'\n";
992 $cfg->{pools
}->{$pool}->{vms
}->{$vmid} = 1;
994 # record vmid ==> pool relation
995 $cfg->{vms
}->{$vmid} = $pool;
998 foreach my $storeid (split_list
($storelist)) {
999 if ($storeid !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) {
1000 warn "user config - ignore invalid storage '$storeid' in pool '$pool'\n";
1003 $cfg->{pools
}->{$pool}->{storage
}->{$storeid} = 1;
1006 warn "user config - ignore config line: $line\n";
1010 userconfig_force_defaults
($cfg);
1015 sub parse_shadow_passwd
{
1016 my ($filename, $raw) = @_;
1020 while ($raw && $raw =~ s/^(.*?)(\n|$)//) {
1023 next if $line =~ m/^\s*$/; # skip empty lines
1025 if ($line !~ m/^\S+:\S+:$/) {
1026 warn "pve shadow password: ignore invalid line $.\n";
1030 my ($userid, $crypt_pass) = split (/:/, $line);
1031 $shadow->{users
}->{$userid}->{shadow
} = $crypt_pass;
1038 my ($filename, $cfg) = @_;
1044 foreach my $realm (sort keys %$cfg) {
1045 my $entry = $cfg->{$realm};
1046 my $type = lc($entry->{type
});
1050 next if ($type eq 'pam') || ($type eq 'pve');
1052 my $formats = $valid_attributes->{$type};
1055 $data .= "$type: $realm\n";
1057 foreach my $k (sort keys %$entry) {
1058 next if $k eq 'type';
1059 my $v = $entry->{$k};
1060 if ($k eq 'default') {
1061 $data .= "\t$k\n" if $v && !$wrote_default;
1063 } elsif (defined($formats->{$k})) {
1064 if (!$formats->{$k}) {
1065 $data .= "\t$k\n" if $v;
1066 } elsif ($v =~ m/^$formats->{$k}$/) {
1067 $v = PVE
::Tools
::encode_text
($v) if $k eq 'comment';
1068 $data .= "\t$k $v\n";
1070 die "invalid value '$v' for attribute '$k'\n";
1073 die "invalid attribute '$k' - not supported\n";
1084 my ($filename, $raw) = @_;
1090 while ($raw && $raw =~ s/^(.*?)(\n|$)//) {
1093 next if $line =~ m/^\#/; # skip comment lines
1094 next if $line =~ m/^\s*$/; # skip empty lines
1096 if ($line =~ m/^(\S+):\s*(\S+)\s*$/) {
1103 my $formats = $valid_attributes->{$type};
1106 warn "ignoring domain '$realm' - (unsupported authentication type '$type')\n";
1107 } elsif (!pve_verify_realm
($realm, 1)) {
1109 warn "ignoring domain '$realm' - (illegal characters)\n";
1111 $entry = { type
=> $type };
1114 while ($raw && $raw =~ s/^(.*?)(\n|$)//) {
1117 next if $line =~ m/^\#/; #skip comment lines
1118 last if $line =~ m/^\s*$/;
1120 next if $ignore; # skip
1122 if ($line =~ m/^\s+(default)\s*$/) {
1123 $default = $realm if !$default;
1124 } elsif ($line =~ m/^\s+(\S+)(\s+(.*\S))?\s*$/) {
1125 my ($k, $v) = (lc($1), $3);
1126 if (defined($formats->{$k})) {
1127 if (!$formats->{$k} && !defined($v)) {
1129 } elsif ($formats->{$k} && $v =~ m/^$formats->{$k}$/) {
1130 if (!defined($entry->{$k})) {
1131 $v = PVE
::Tools
::decode_text
($v) if $k eq 'comment';
1134 warn "ignoring duplicate attribute '$k $v'\n";
1137 warn "ignoring value '$v' for attribute '$k' - invalid format\n";
1140 warn "ignoring attribute '$k' - not supported\n";
1143 warn "ignore config line: $line\n";
1147 if ($entry->{server2
} && !$entry->{server1
}) {
1148 $entry->{server1
} = $entry->{server2
};
1149 delete $entry->{server2
};
1154 } elsif (!$entry->{server1
}) {
1155 warn "ignoring domain '$realm' - missing server attribute\n";
1156 } elsif (($entry->{type
} eq "ldap") && !$entry->{user_attr
}) {
1157 warn "ignoring domain '$realm' - missing user attribute\n";
1158 } elsif (($entry->{type
} eq "ldap") && !$entry->{base_dn
}) {
1159 warn "ignoring domain '$realm' - missing base_dn attribute\n";
1160 } elsif (($entry->{type
} eq "ad") && !$entry->{domain
}) {
1161 warn "ignoring domain '$realm' - missing domain attribute\n";
1163 $cfg->{$realm} = $entry;
1167 warn "ignore config line: $line\n";
1171 $cfg->{$default}->{default} = 1 if $default;
1173 # add default domains
1177 comment
=> "Proxmox VE authentication server",
1182 comment
=> "Linux PAM standard authentication",
1188 sub write_shadow_config
{
1189 my ($filename, $cfg) = @_;
1192 foreach my $userid (keys %{$cfg->{users
}}) {
1193 my $crypt_pass = $cfg->{users
}->{$userid}->{shadow
};
1194 $data .= "$userid:$crypt_pass:\n";
1200 sub write_user_config
{
1201 my ($filename, $cfg) = @_;
1205 foreach my $user (keys %{$cfg->{users
}}) {
1206 my $d = $cfg->{users
}->{$user};
1207 my $firstname = $d->{firstname
} ? PVE
::Tools
::encode_text
($d->{firstname
}) : '';
1208 my $lastname = $d->{lastname
} ? PVE
::Tools
::encode_text
($d->{lastname
}) : '';
1209 my $email = $d->{email
} || '';
1210 my $comment = $d->{comment
} ? PVE
::Tools
::encode_text
($d->{comment
}) : '';
1211 my $expire = int($d->{expire
} || 0);
1212 my $enable = $d->{enable
} ?
1 : 0;
1213 $data .= "user:$user:$enable:$expire:$firstname:$lastname:$email:$comment:\n";
1218 foreach my $group (keys %{$cfg->{groups
}}) {
1219 my $d = $cfg->{groups
}->{$group};
1220 my $list = join (',', keys %{$d->{users
}});
1221 my $comment = $d->{comment
} ? PVE
::Tools
::encode_text
($d->{comment
}) : '';
1222 $data .= "group:$group:$list:$comment:\n";
1227 foreach my $pool (keys %{$cfg->{pools
}}) {
1228 my $d = $cfg->{pools
}->{$pool};
1229 my $vmlist = join (',', keys %{$d->{vms
}});
1230 my $storelist = join (',', keys %{$d->{storage
}});
1231 my $comment = $d->{comment
} ? PVE
::Tools
::encode_text
($d->{comment
}) : '';
1232 $data .= "pool:$pool:$comment:$vmlist:$storelist:\n";
1237 foreach my $role (keys %{$cfg->{roles
}}) {
1238 next if $special_roles->{$role};
1240 my $d = $cfg->{roles
}->{$role};
1241 my $list = join (',', keys %$d);
1242 $data .= "role:$role:$list:\n";
1247 foreach my $path (sort keys %{$cfg->{acl
}}) {
1248 my $d = $cfg->{acl
}->{$path};
1252 foreach my $group (keys %{$d->{groups
}}) {
1255 foreach my $role (sort keys %{$d->{groups
}->{$group}}) {
1256 my $propagate = $d->{groups
}->{$group}->{$role};
1265 $ra->{0}->{$l0}->{"\@$group"} = 1 if $l0;
1266 $ra->{1}->{$l1}->{"\@$group"} = 1 if $l1;
1269 foreach my $user (keys %{$d->{users
}}) {
1270 # no need to save, because root is always 'Administartor'
1271 next if $user eq 'root@pam';
1275 foreach my $role (sort keys %{$d->{users
}->{$user}}) {
1276 my $propagate = $d->{users
}->{$user}->{$role};
1285 $ra->{0}->{$l0}->{$user} = 1 if $l0;
1286 $ra->{1}->{$l1}->{$user} = 1 if $l1;
1289 foreach my $rolelist (sort keys %{$ra->{0}}) {
1290 my $uglist = join (',', keys %{$ra->{0}->{$rolelist}});
1291 $data .= "acl:0:$path:$uglist:$rolelist:\n";
1293 foreach my $rolelist (sort keys %{$ra->{1}}) {
1294 my $uglist = join (',', keys %{$ra->{1}->{$rolelist}});
1295 $data .= "acl:1:$path:$uglist:$rolelist:\n";
1303 my ($cfg, $user, $path) = @_;
1305 # NOTE: we do not consider pools here.
1306 # You need to use $rpcenv->roles() instead if you want that.
1308 return 'Administrator' if $user eq 'root@pam'; # root can do anything
1312 foreach my $p (sort keys %{$cfg->{acl
}}) {
1313 my $final = ($path eq $p);
1315 next if !(($p eq '/') || $final || ($path =~ m
|^$p/|));
1317 my $acl = $cfg->{acl
}->{$p};
1319 #print "CHECKACL $path $p\n";
1320 #print "ACL $path = " . Dumper ($acl);
1322 if (my $ri = $acl->{users
}->{$user}) {
1324 foreach my $role (keys %$ri) {
1325 my $propagate = $ri->{$role};
1326 if ($final || $propagate) {
1327 #print "APPLY ROLE $p $user $role\n";
1333 $perm = $new; # overwrite previous settings
1334 next; # user privs always override group privs
1339 foreach my $g (keys %{$acl->{groups
}}) {
1340 next if !$cfg->{groups
}->{$g}->{users
}->{$user};
1341 if (my $ri = $acl->{groups
}->{$g}) {
1342 foreach my $role (keys %$ri) {
1343 my $propagate = $ri->{$role};
1344 if ($final || $propagate) {
1345 #print "APPLY ROLE $p \@$g $role\n";
1353 $perm = $new; # overwrite previous settings
1358 return ('NoAccess') if defined ($perm->{NoAccess
});
1359 #return () if defined ($perm->{NoAccess});
1361 #print "permission $user $path = " . Dumper ($perm);
1363 my @ra = keys %$perm;
1365 #print "roles $user $path = " . join (',', @ra) . "\n";
1371 my ($cfg, $user, $path) = @_;
1373 $user = verify_username
($user, 1);
1374 return {} if !$user;
1376 my @ra = roles
($cfg, $user, $path);
1380 foreach my $role (@ra) {
1381 if (my $privset = $cfg->{roles
}->{$role}) {
1382 foreach my $p (keys %$privset) {
1388 #print "priviledges $user $path = " . Dumper ($privs);
1393 sub check_permissions
{
1394 my ($username, $path, $privlist) = @_;
1396 $path = normalize_path
($path);
1397 my $usercfg = cfs_read_file
('user.cfg');
1398 my $perm = permission
($usercfg, $username, $path);
1400 foreach my $priv (split_list
($privlist)) {
1401 return undef if !$perm->{$priv};