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Commit | Line | Data |
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2c3a6c0a DM |
1 | package PVE::AccessControl; |
2 | ||
3 | use strict; | |
7c410d63 | 4 | use warnings; |
2c3a6c0a DM |
5 | use Encode; |
6 | use Crypt::OpenSSL::Random; | |
7 | use Crypt::OpenSSL::RSA; | |
cee5583b | 8 | use Net::SSLeay; |
25167526 | 9 | use Net::IP; |
2c3a6c0a | 10 | use MIME::Base64; |
03e2a71e | 11 | use MIME::Base32; #libmime-base32-perl |
2c3a6c0a | 12 | use Digest::SHA; |
a1f8aaae DM |
13 | |
14 | use PVE::Ticket; | |
ab652a80 DM |
15 | use URI::Escape; |
16 | use LWP::UserAgent; | |
2c3a6c0a DM |
17 | use PVE::Tools qw(run_command lock_file file_get_contents split_list safe_print); |
18 | use PVE::Cluster qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file); | |
19 | use PVE::JSONSchema; | |
5bb4e06a DM |
20 | |
21 | use PVE::Auth::Plugin; | |
22 | use PVE::Auth::AD; | |
23 | use PVE::Auth::LDAP; | |
24 | use PVE::Auth::PVE; | |
25 | use PVE::Auth::PAM; | |
2c3a6c0a DM |
26 | |
27 | use Data::Dumper; # fixme: remove | |
28 | ||
5bb4e06a DM |
29 | # load and initialize all plugins |
30 | ||
31 | PVE::Auth::AD->register(); | |
32 | PVE::Auth::LDAP->register(); | |
33 | PVE::Auth::PVE->register(); | |
34 | PVE::Auth::PAM->register(); | |
35 | PVE::Auth::Plugin->init(); | |
36 | ||
2c3a6c0a DM |
37 | # $authdir must be writable by root only! |
38 | my $confdir = "/etc/pve"; | |
39 | my $authdir = "$confdir/priv"; | |
40 | my $authprivkeyfn = "$authdir/authkey.key"; | |
41 | my $authpubkeyfn = "$confdir/authkey.pub"; | |
2c3a6c0a DM |
42 | my $pve_www_key_fn = "$confdir/pve-www.key"; |
43 | ||
44 | my $ticket_lifetime = 3600*2; # 2 hours | |
45 | ||
46 | Crypt::OpenSSL::RSA->import_random_seed(); | |
47 | ||
66931b11 DM |
48 | cfs_register_file('user.cfg', |
49 | \&parse_user_config, | |
2c3a6c0a DM |
50 | \&write_user_config); |
51 | ||
2c3a6c0a | 52 | |
5bb4e06a DM |
53 | sub verify_username { |
54 | PVE::Auth::Plugin::verify_username(@_); | |
2c3a6c0a DM |
55 | } |
56 | ||
5bb4e06a DM |
57 | sub pve_verify_realm { |
58 | PVE::Auth::Plugin::pve_verify_realm(@_); | |
2c3a6c0a DM |
59 | } |
60 | ||
5bb4e06a | 61 | sub lock_user_config { |
2c3a6c0a DM |
62 | my ($code, $errmsg) = @_; |
63 | ||
5bb4e06a DM |
64 | cfs_lock_file("user.cfg", undef, $code); |
65 | if (my $err = $@) { | |
2c3a6c0a DM |
66 | $errmsg ? die "$errmsg: $err" : die $err; |
67 | } | |
68 | } | |
69 | ||
70 | my $pve_auth_pub_key; | |
66931b11 | 71 | sub get_pubkey { |
2c3a6c0a DM |
72 | |
73 | return $pve_auth_pub_key if $pve_auth_pub_key; | |
74 | ||
66931b11 | 75 | my $input = PVE::Tools::file_get_contents($authpubkeyfn); |
2c3a6c0a DM |
76 | |
77 | $pve_auth_pub_key = Crypt::OpenSSL::RSA->new_public_key($input); | |
78 | ||
79 | return $pve_auth_pub_key; | |
80 | } | |
81 | ||
82 | my $csrf_prevention_secret; | |
83 | my $get_csrfr_secret = sub { | |
84 | if (!$csrf_prevention_secret) { | |
66931b11 | 85 | my $input = PVE::Tools::file_get_contents($pve_www_key_fn); |
2c3a6c0a DM |
86 | $csrf_prevention_secret = Digest::SHA::sha1_base64($input); |
87 | } | |
88 | return $csrf_prevention_secret; | |
89 | }; | |
90 | ||
91 | sub assemble_csrf_prevention_token { | |
92 | my ($username) = @_; | |
93 | ||
a1f8aaae | 94 | my $secret = &$get_csrfr_secret(); |
2c3a6c0a | 95 | |
a1f8aaae | 96 | return PVE::Ticket::assemble_csrf_prevention_token ($secret, $username); |
2c3a6c0a DM |
97 | } |
98 | ||
99 | sub verify_csrf_prevention_token { | |
100 | my ($username, $token, $noerr) = @_; | |
101 | ||
a1f8aaae | 102 | my $secret = &$get_csrfr_secret(); |
2c3a6c0a | 103 | |
a1f8aaae DM |
104 | return PVE::Ticket::verify_csrf_prevention_token( |
105 | $secret, $username, $token, -300, $ticket_lifetime, $noerr); | |
2c3a6c0a DM |
106 | } |
107 | ||
108 | my $pve_auth_priv_key; | |
109 | sub get_privkey { | |
110 | ||
111 | return $pve_auth_priv_key if $pve_auth_priv_key; | |
112 | ||
66931b11 | 113 | my $input = PVE::Tools::file_get_contents($authprivkeyfn); |
2c3a6c0a DM |
114 | |
115 | $pve_auth_priv_key = Crypt::OpenSSL::RSA->new_private_key($input); | |
116 | ||
117 | return $pve_auth_priv_key; | |
118 | } | |
119 | ||
120 | sub assemble_ticket { | |
121 | my ($username) = @_; | |
122 | ||
123 | my $rsa_priv = get_privkey(); | |
124 | ||
a1f8aaae | 125 | return PVE::Ticket::assemble_rsa_ticket($rsa_priv, 'PVE', $username); |
2c3a6c0a DM |
126 | } |
127 | ||
128 | sub verify_ticket { | |
129 | my ($ticket, $noerr) = @_; | |
130 | ||
a1f8aaae DM |
131 | my $rsa_pub = get_pubkey(); |
132 | ||
133 | my ($username, $age) = PVE::Ticket::verify_rsa_ticket( | |
134 | $rsa_pub, 'PVE', $ticket, undef, -300, $ticket_lifetime, $noerr); | |
135 | ||
136 | return undef if $noerr && !defined($username); | |
2c3a6c0a | 137 | |
a1f8aaae | 138 | return undef if !PVE::Auth::Plugin::verify_username($username, $noerr); |
2c3a6c0a | 139 | |
a1f8aaae | 140 | return wantarray ? ($username, $age) : $username; |
2c3a6c0a DM |
141 | } |
142 | ||
adf8d771 DM |
143 | # VNC tickets |
144 | # - they do not contain the username in plain text | |
145 | # - they are restricted to a specific resource path (example: '/vms/100') | |
146 | sub assemble_vnc_ticket { | |
147 | my ($username, $path) = @_; | |
148 | ||
149 | my $rsa_priv = get_privkey(); | |
150 | ||
adf8d771 DM |
151 | $path = normalize_path($path); |
152 | ||
a1f8aaae | 153 | my $secret_data = "$username:$path"; |
adf8d771 | 154 | |
a1f8aaae DM |
155 | return PVE::Ticket::assemble_rsa_ticket( |
156 | $rsa_priv, 'PVEVNC', undef, $secret_data); | |
adf8d771 DM |
157 | } |
158 | ||
159 | sub verify_vnc_ticket { | |
160 | my ($ticket, $username, $path, $noerr) = @_; | |
161 | ||
a1f8aaae | 162 | my $rsa_pub = get_pubkey(); |
adf8d771 | 163 | |
a1f8aaae | 164 | my $secret_data = "$username:$path"; |
adf8d771 | 165 | |
a1f8aaae DM |
166 | return PVE::Ticket::verify_rsa_ticket( |
167 | $rsa_pub, 'PVEVNC', $ticket, $secret_data, -20, 40, $noerr); | |
adf8d771 DM |
168 | } |
169 | ||
23b35225 | 170 | sub assemble_spice_ticket { |
bf3e6d31 | 171 | my ($username, $vmid, $node) = @_; |
23b35225 | 172 | |
3f62bdbe | 173 | my $secret = &$get_csrfr_secret(); |
23b35225 | 174 | |
a1f8aaae DM |
175 | return PVE::Ticket::assemble_spice_ticket( |
176 | $secret, $username, $vmid, $node); | |
bf3e6d31 DM |
177 | } |
178 | ||
a1f8aaae | 179 | |
bf3e6d31 DM |
180 | sub verify_spice_connect_url { |
181 | my ($connect_str) = @_; | |
182 | ||
a1f8aaae | 183 | my $secret = &$get_csrfr_secret(); |
bf3e6d31 | 184 | |
a1f8aaae | 185 | return PVE::Ticket::verify_spice_connect_url($secret, $connect_str); |
23b35225 AD |
186 | } |
187 | ||
cee5583b DM |
188 | sub read_x509_subject_spice { |
189 | my ($filename) = @_; | |
190 | ||
191 | # read x509 subject | |
192 | my $bio = Net::SSLeay::BIO_new_file($filename, 'r'); | |
44903703 FG |
193 | die "Could not open $filename using OpenSSL\n" |
194 | if !$bio; | |
195 | ||
cee5583b DM |
196 | my $x509 = Net::SSLeay::PEM_read_bio_X509($bio); |
197 | Net::SSLeay::BIO_free($bio); | |
44903703 FG |
198 | |
199 | die "Could not parse X509 certificate in $filename\n" | |
200 | if !$x509; | |
201 | ||
cee5583b DM |
202 | my $nameobj = Net::SSLeay::X509_get_subject_name($x509); |
203 | my $subject = Net::SSLeay::X509_NAME_oneline($nameobj); | |
204 | Net::SSLeay::X509_free($x509); | |
66931b11 | 205 | |
cee5583b DM |
206 | # remote-viewer wants comma as seperator (not '/') |
207 | $subject =~ s!^/!!; | |
208 | $subject =~ s!/(\w+=)!,$1!g; | |
209 | ||
210 | return $subject; | |
211 | } | |
212 | ||
213 | # helper to generate SPICE remote-viewer configuration | |
214 | sub remote_viewer_config { | |
215 | my ($authuser, $vmid, $node, $proxy, $title, $port) = @_; | |
216 | ||
217 | if (!$proxy) { | |
218 | my $host = `hostname -f` || PVE::INotify::nodename(); | |
219 | chomp $host; | |
220 | $proxy = $host; | |
221 | } | |
222 | ||
223 | my ($ticket, $proxyticket) = assemble_spice_ticket($authuser, $vmid, $node); | |
224 | ||
225 | my $filename = "/etc/pve/local/pve-ssl.pem"; | |
226 | my $subject = read_x509_subject_spice($filename); | |
227 | ||
228 | my $cacert = PVE::Tools::file_get_contents("/etc/pve/pve-root-ca.pem", 8192); | |
229 | $cacert =~ s/\n/\\n/g; | |
63691fc6 | 230 | |
25167526 | 231 | $proxy = "[$proxy]" if Net::IP::ip_is_ipv6($proxy); |
cee5583b | 232 | my $config = { |
63691fc6 DM |
233 | 'secure-attention' => "Ctrl+Alt+Ins", |
234 | 'toggle-fullscreen' => "Shift+F11", | |
235 | 'release-cursor' => "Ctrl+Alt+R", | |
cee5583b DM |
236 | type => 'spice', |
237 | title => $title, | |
1075c589 | 238 | host => $proxyticket, # this breaks tls hostname verification, so we need to use 'host-subject' |
cee5583b DM |
239 | proxy => "http://$proxy:3128", |
240 | 'tls-port' => $port, | |
241 | 'host-subject' => $subject, | |
242 | ca => $cacert, | |
243 | password => $ticket, | |
244 | 'delete-this-file' => 1, | |
245 | }; | |
246 | ||
247 | return ($ticket, $proxyticket, $config); | |
248 | } | |
249 | ||
37d45deb | 250 | sub check_user_exist { |
7070c1ae | 251 | my ($usercfg, $username, $noerr) = @_; |
2c3a6c0a | 252 | |
5bb4e06a | 253 | $username = PVE::Auth::Plugin::verify_username($username, $noerr); |
2c3a6c0a | 254 | return undef if !$username; |
66931b11 | 255 | |
37d45deb DM |
256 | return $usercfg->{users}->{$username} if $usercfg && $usercfg->{users}->{$username}; |
257 | ||
258 | die "no such user ('$username')\n" if !$noerr; | |
66931b11 | 259 | |
37d45deb DM |
260 | return undef; |
261 | } | |
262 | ||
263 | sub check_user_enabled { | |
264 | my ($usercfg, $username, $noerr) = @_; | |
265 | ||
266 | my $data = check_user_exist($usercfg, $username, $noerr); | |
267 | return undef if !$data; | |
268 | ||
269 | return 1 if $data->{enable}; | |
2c3a6c0a | 270 | |
37d45deb | 271 | die "user '$username' is disabled\n" if !$noerr; |
66931b11 | 272 | |
7070c1ae | 273 | return undef; |
2c3a6c0a DM |
274 | } |
275 | ||
96f8ebd6 DM |
276 | sub verify_one_time_pw { |
277 | my ($usercfg, $username, $tfa_cfg, $otp) = @_; | |
278 | ||
279 | my $type = $tfa_cfg->{type}; | |
280 | ||
1075c589 | 281 | die "missing one time password for two-factor authentication '$type'\n" if !$otp; |
96f8ebd6 DM |
282 | |
283 | # fixme: proxy support? | |
284 | my $proxy; | |
285 | ||
286 | if ($type eq 'yubico') { | |
287 | my $keys = $usercfg->{users}->{$username}->{keys}; | |
288 | yubico_verify_otp($otp, $keys, $tfa_cfg->{url}, $tfa_cfg->{id}, $tfa_cfg->{key}, $proxy); | |
1abc2c0a DM |
289 | } elsif ($type eq 'oath') { |
290 | my $keys = $usercfg->{users}->{$username}->{keys}; | |
86cd805b | 291 | oath_verify_otp($otp, $keys, $tfa_cfg->{step}, $tfa_cfg->{digits}); |
96f8ebd6 DM |
292 | } else { |
293 | die "unknown tfa type '$type'\n"; | |
294 | } | |
96f8ebd6 DM |
295 | } |
296 | ||
2c3a6c0a | 297 | # password should be utf8 encoded |
1075c589 | 298 | # Note: some plugins delay/sleep if auth fails |
2c3a6c0a | 299 | sub authenticate_user { |
96f8ebd6 | 300 | my ($username, $password, $otp) = @_; |
2c3a6c0a DM |
301 | |
302 | die "no username specified\n" if !$username; | |
66931b11 | 303 | |
5bb4e06a | 304 | my ($ruid, $realm); |
2c3a6c0a | 305 | |
5bb4e06a | 306 | ($username, $ruid, $realm) = PVE::Auth::Plugin::verify_username($username); |
2c3a6c0a DM |
307 | |
308 | my $usercfg = cfs_read_file('user.cfg'); | |
309 | ||
6126ab75 | 310 | check_user_enabled($usercfg, $username); |
2c3a6c0a DM |
311 | |
312 | my $ctime = time(); | |
313 | my $expire = $usercfg->{users}->{$username}->{expire}; | |
314 | ||
6126ab75 | 315 | die "account expired\n" if $expire && ($expire < $ctime); |
2c3a6c0a | 316 | |
5bb4e06a | 317 | my $domain_cfg = cfs_read_file('domains.cfg'); |
2c3a6c0a | 318 | |
6126ab75 DM |
319 | my $cfg = $domain_cfg->{ids}->{$realm}; |
320 | die "auth domain '$realm' does not exists\n" if !$cfg; | |
321 | my $plugin = PVE::Auth::Plugin->lookup($cfg->{type}); | |
322 | $plugin->authenticate_user($cfg, $realm, $ruid, $password); | |
2c3a6c0a | 323 | |
96f8ebd6 DM |
324 | if ($cfg->{tfa}) { |
325 | my $tfa_cfg = PVE::Auth::Plugin::parse_tfa_config($cfg->{tfa}); | |
326 | verify_one_time_pw($usercfg, $username, $tfa_cfg, $otp); | |
327 | } | |
328 | ||
5bb4e06a | 329 | return $username; |
2c3a6c0a DM |
330 | } |
331 | ||
332 | sub domain_set_password { | |
5bb4e06a | 333 | my ($realm, $username, $password) = @_; |
2c3a6c0a DM |
334 | |
335 | die "no auth domain specified" if !$realm; | |
336 | ||
5bb4e06a DM |
337 | my $domain_cfg = cfs_read_file('domains.cfg'); |
338 | ||
339 | my $cfg = $domain_cfg->{ids}->{$realm}; | |
1075c589 | 340 | die "auth domain '$realm' does not exist\n" if !$cfg; |
5bb4e06a DM |
341 | my $plugin = PVE::Auth::Plugin->lookup($cfg->{type}); |
342 | $plugin->store_password($cfg, $realm, $username, $password); | |
2c3a6c0a DM |
343 | } |
344 | ||
345 | sub add_user_group { | |
2c3a6c0a | 346 | my ($username, $usercfg, $group) = @_; |
66931b11 | 347 | |
2c3a6c0a DM |
348 | $usercfg->{users}->{$username}->{groups}->{$group} = 1; |
349 | $usercfg->{groups}->{$group}->{users}->{$username} = 1; | |
350 | } | |
351 | ||
352 | sub delete_user_group { | |
2c3a6c0a | 353 | my ($username, $usercfg) = @_; |
66931b11 | 354 | |
2c3a6c0a DM |
355 | foreach my $group (keys %{$usercfg->{groups}}) { |
356 | ||
66931b11 | 357 | delete ($usercfg->{groups}->{$group}->{users}->{$username}) |
2c3a6c0a DM |
358 | if $usercfg->{groups}->{$group}->{users}->{$username}; |
359 | } | |
360 | } | |
361 | ||
362 | sub delete_user_acl { | |
2c3a6c0a DM |
363 | my ($username, $usercfg) = @_; |
364 | ||
365 | foreach my $acl (keys %{$usercfg->{acl}}) { | |
366 | ||
66931b11 | 367 | delete ($usercfg->{acl}->{$acl}->{users}->{$username}) |
2c3a6c0a DM |
368 | if $usercfg->{acl}->{$acl}->{users}->{$username}; |
369 | } | |
2c3a6c0a | 370 | } |
39c85db8 | 371 | |
2c3a6c0a | 372 | sub delete_group_acl { |
2c3a6c0a DM |
373 | my ($group, $usercfg) = @_; |
374 | ||
375 | foreach my $acl (keys %{$usercfg->{acl}}) { | |
376 | ||
66931b11 | 377 | delete ($usercfg->{acl}->{$acl}->{groups}->{$group}) |
2c3a6c0a DM |
378 | if $usercfg->{acl}->{$acl}->{groups}->{$group}; |
379 | } | |
39c85db8 DM |
380 | } |
381 | ||
382 | sub delete_pool_acl { | |
39c85db8 | 383 | my ($pool, $usercfg) = @_; |
2c3a6c0a | 384 | |
39c85db8 DM |
385 | my $path = "/pool/$pool"; |
386 | ||
3b4a3f94 | 387 | delete ($usercfg->{acl}->{$path}) |
2c3a6c0a DM |
388 | } |
389 | ||
390 | # we automatically create some predefined roles by splitting privs | |
391 | # into 3 groups (per category) | |
392 | # root: only root is allowed to do that | |
393 | # admin: an administrator can to that | |
1075c589 | 394 | # user: a normal user/customer can to that |
2c3a6c0a DM |
395 | my $privgroups = { |
396 | VM => { | |
397 | root => [], | |
66931b11 DM |
398 | admin => [ |
399 | 'VM.Config.Disk', | |
400 | 'VM.Config.CPU', | |
401 | 'VM.Config.Memory', | |
402 | 'VM.Config.Network', | |
c0fead8c | 403 | 'VM.Config.HWType', |
66931b11 DM |
404 | 'VM.Config.Options', # covers all other things |
405 | 'VM.Allocate', | |
406 | 'VM.Clone', | |
2c3a6c0a | 407 | 'VM.Migrate', |
66931b11 DM |
408 | 'VM.Monitor', |
409 | 'VM.Snapshot', | |
2c3a6c0a DM |
410 | ], |
411 | user => [ | |
cc7bdf33 | 412 | 'VM.Config.CDROM', # change CDROM media |
66931b11 | 413 | 'VM.Console', |
68d5a86d | 414 | 'VM.Backup', |
2c3a6c0a DM |
415 | 'VM.PowerMgmt', |
416 | ], | |
66931b11 | 417 | audit => [ |
82b63965 | 418 | 'VM.Audit', |
2c3a6c0a DM |
419 | ], |
420 | }, | |
421 | Sys => { | |
422 | root => [ | |
66931b11 | 423 | 'Sys.PowerMgmt', |
37d45deb | 424 | 'Sys.Modify', # edit/change node settings |
2c3a6c0a DM |
425 | ], |
426 | admin => [ | |
2e376c58 | 427 | 'Permissions.Modify', |
66931b11 | 428 | 'Sys.Console', |
2c3a6c0a DM |
429 | 'Sys.Syslog', |
430 | ], | |
431 | user => [], | |
432 | audit => [ | |
433 | 'Sys.Audit', | |
434 | ], | |
435 | }, | |
436 | Datastore => { | |
2e376c58 | 437 | root => [], |
19f60b5e DM |
438 | admin => [ |
439 | 'Datastore.Allocate', | |
373cb383 | 440 | 'Datastore.AllocateTemplate', |
19f60b5e | 441 | ], |
2c3a6c0a DM |
442 | user => [ |
443 | 'Datastore.AllocateSpace', | |
444 | ], | |
445 | audit => [ | |
446 | 'Datastore.Audit', | |
447 | ], | |
448 | }, | |
12683df7 | 449 | User => { |
82b63965 DM |
450 | root => [ |
451 | 'Realm.Allocate', | |
452 | ], | |
12683df7 DM |
453 | admin => [ |
454 | 'User.Modify', | |
82b63965 | 455 | 'Group.Allocate', # edit/change group settings |
66931b11 | 456 | 'Realm.AllocateUser', |
19f60b5e | 457 | ], |
12683df7 DM |
458 | user => [], |
459 | audit => [], | |
460 | }, | |
dee1c882 DM |
461 | Pool => { |
462 | root => [], | |
463 | admin => [ | |
464 | 'Pool.Allocate', # create/delete pools | |
465 | ], | |
466 | user => [], | |
467 | audit => [], | |
468 | }, | |
2c3a6c0a DM |
469 | }; |
470 | ||
471 | my $valid_privs = {}; | |
472 | ||
473 | my $special_roles = { | |
1075c589 FG |
474 | 'NoAccess' => {}, # no privileges |
475 | 'Administrator' => $valid_privs, # all privileges | |
2c3a6c0a DM |
476 | }; |
477 | ||
478 | sub create_roles { | |
479 | ||
480 | foreach my $cat (keys %$privgroups) { | |
481 | my $cd = $privgroups->{$cat}; | |
66931b11 | 482 | foreach my $p (@{$cd->{root}}, @{$cd->{admin}}, |
2c3a6c0a DM |
483 | @{$cd->{user}}, @{$cd->{audit}}) { |
484 | $valid_privs->{$p} = 1; | |
485 | } | |
486 | foreach my $p (@{$cd->{admin}}, @{$cd->{user}}, @{$cd->{audit}}) { | |
487 | ||
488 | $special_roles->{"PVE${cat}Admin"}->{$p} = 1; | |
489 | $special_roles->{"PVEAdmin"}->{$p} = 1; | |
490 | } | |
491 | if (scalar(@{$cd->{user}})) { | |
492 | foreach my $p (@{$cd->{user}}, @{$cd->{audit}}) { | |
493 | $special_roles->{"PVE${cat}User"}->{$p} = 1; | |
494 | } | |
495 | } | |
496 | foreach my $p (@{$cd->{audit}}) { | |
497 | $special_roles->{"PVEAuditor"}->{$p} = 1; | |
498 | } | |
499 | } | |
ff4b2235 | 500 | |
7b395f99 | 501 | $special_roles->{"PVETemplateUser"} = { 'VM.Clone' => 1, 'VM.Audit' => 1 }; |
2c3a6c0a DM |
502 | }; |
503 | ||
504 | create_roles(); | |
505 | ||
2c3a6c0a DM |
506 | sub add_role_privs { |
507 | my ($role, $usercfg, $privs) = @_; | |
508 | ||
509 | return if !$privs; | |
510 | ||
511 | die "role '$role' does not exist\n" if !$usercfg->{roles}->{$role}; | |
512 | ||
513 | foreach my $priv (split_list($privs)) { | |
514 | if (defined ($valid_privs->{$priv})) { | |
515 | $usercfg->{roles}->{$role}->{$priv} = 1; | |
516 | } else { | |
1075c589 | 517 | die "invalid privilege '$priv'\n"; |
66931b11 DM |
518 | } |
519 | } | |
2c3a6c0a DM |
520 | } |
521 | ||
522 | sub normalize_path { | |
523 | my $path = shift; | |
524 | ||
4bc17477 | 525 | $path =~ s|/+|/|g; |
2c3a6c0a DM |
526 | |
527 | $path =~ s|/$||; | |
528 | ||
529 | $path = '/' if !$path; | |
530 | ||
4bc17477 DM |
531 | $path = "/$path" if $path !~ m|^/|; |
532 | ||
e4f8fc2e | 533 | return undef if $path !~ m|^[[:alnum:]\.\-\_\/]+$|; |
2c3a6c0a DM |
534 | |
535 | return $path; | |
66931b11 | 536 | } |
2c3a6c0a | 537 | |
2c3a6c0a DM |
538 | |
539 | PVE::JSONSchema::register_format('pve-groupid', \&verify_groupname); | |
540 | sub verify_groupname { | |
541 | my ($groupname, $noerr) = @_; | |
542 | ||
543 | if ($groupname !~ m/^[A-Za-z0-9\.\-_]+$/) { | |
544 | ||
545 | die "group name '$groupname' contains invalid characters\n" if !$noerr; | |
546 | ||
547 | return undef; | |
548 | } | |
66931b11 | 549 | |
2c3a6c0a DM |
550 | return $groupname; |
551 | } | |
552 | ||
553 | PVE::JSONSchema::register_format('pve-roleid', \&verify_rolename); | |
554 | sub verify_rolename { | |
555 | my ($rolename, $noerr) = @_; | |
556 | ||
557 | if ($rolename !~ m/^[A-Za-z0-9\.\-_]+$/) { | |
558 | ||
559 | die "role name '$rolename' contains invalid characters\n" if !$noerr; | |
560 | ||
561 | return undef; | |
562 | } | |
66931b11 | 563 | |
2c3a6c0a DM |
564 | return $rolename; |
565 | } | |
566 | ||
39c85db8 DM |
567 | PVE::JSONSchema::register_format('pve-poolid', \&verify_groupname); |
568 | sub verify_poolname { | |
569 | my ($poolname, $noerr) = @_; | |
570 | ||
571 | if ($poolname !~ m/^[A-Za-z0-9\.\-_]+$/) { | |
572 | ||
573 | die "pool name '$poolname' contains invalid characters\n" if !$noerr; | |
574 | ||
575 | return undef; | |
576 | } | |
66931b11 | 577 | |
39c85db8 DM |
578 | return $poolname; |
579 | } | |
580 | ||
2c3a6c0a DM |
581 | PVE::JSONSchema::register_format('pve-priv', \&verify_privname); |
582 | sub verify_privname { | |
583 | my ($priv, $noerr) = @_; | |
584 | ||
585 | if (!$valid_privs->{$priv}) { | |
1075c589 | 586 | die "invalid privilege '$priv'\n" if !$noerr; |
2c3a6c0a DM |
587 | |
588 | return undef; | |
589 | } | |
66931b11 | 590 | |
2c3a6c0a DM |
591 | return $priv; |
592 | } | |
593 | ||
594 | sub userconfig_force_defaults { | |
595 | my ($cfg) = @_; | |
596 | ||
597 | foreach my $r (keys %$special_roles) { | |
598 | $cfg->{roles}->{$r} = $special_roles->{$r}; | |
599 | } | |
600 | ||
7279f31c WL |
601 | # add root user if not exists |
602 | if (!$cfg->{users}->{'root@pam'}) { | |
66931b11 | 603 | $cfg->{users}->{'root@pam'}->{enable} = 1; |
7279f31c | 604 | } |
2c3a6c0a DM |
605 | } |
606 | ||
607 | sub parse_user_config { | |
608 | my ($filename, $raw) = @_; | |
609 | ||
610 | my $cfg = {}; | |
611 | ||
612 | userconfig_force_defaults($cfg); | |
613 | ||
d6eb6621 | 614 | $raw = '' if !defined($raw); |
62af314a | 615 | while ($raw =~ /^\s*(.+?)\s*$/gm) { |
2c3a6c0a | 616 | my $line = $1; |
2c3a6c0a DM |
617 | my @data; |
618 | ||
619 | foreach my $d (split (/:/, $line)) { | |
66931b11 | 620 | $d =~ s/^\s+//; |
2c3a6c0a DM |
621 | $d =~ s/\s+$//; |
622 | push @data, $d | |
623 | } | |
624 | ||
625 | my $et = shift @data; | |
626 | ||
627 | if ($et eq 'user') { | |
96f8ebd6 | 628 | my ($user, $enable, $expire, $firstname, $lastname, $email, $comment, $keys) = @data; |
2c3a6c0a | 629 | |
5bb4e06a | 630 | my (undef, undef, $realm) = PVE::Auth::Plugin::verify_username($user, 1); |
2c3a6c0a DM |
631 | if (!$realm) { |
632 | warn "user config - ignore user '$user' - invalid user name\n"; | |
633 | next; | |
634 | } | |
635 | ||
636 | $enable = $enable ? 1 : 0; | |
637 | ||
638 | $expire = 0 if !$expire; | |
639 | ||
640 | if ($expire !~ m/^\d+$/) { | |
641 | warn "user config - ignore user '$user' - (illegal characters in expire '$expire')\n"; | |
642 | next; | |
643 | } | |
644 | $expire = int($expire); | |
645 | ||
646 | #if (!verify_groupname ($group, 1)) { | |
647 | # warn "user config - ignore user '$user' - invalid characters in group name\n"; | |
648 | # next; | |
649 | #} | |
650 | ||
651 | $cfg->{users}->{$user} = { | |
652 | enable => $enable, | |
653 | # group => $group, | |
654 | }; | |
655 | $cfg->{users}->{$user}->{firstname} = PVE::Tools::decode_text($firstname) if $firstname; | |
656 | $cfg->{users}->{$user}->{lastname} = PVE::Tools::decode_text($lastname) if $lastname; | |
657 | $cfg->{users}->{$user}->{email} = $email; | |
658 | $cfg->{users}->{$user}->{comment} = PVE::Tools::decode_text($comment) if $comment; | |
659 | $cfg->{users}->{$user}->{expire} = $expire; | |
1abc2c0a | 660 | # keys: allowed yubico key ids or oath secrets (base32 encoded) |
66931b11 | 661 | $cfg->{users}->{$user}->{keys} = $keys if $keys; |
2c3a6c0a DM |
662 | |
663 | #$cfg->{users}->{$user}->{groups}->{$group} = 1; | |
664 | #$cfg->{groups}->{$group}->{$user} = 1; | |
665 | ||
666 | } elsif ($et eq 'group') { | |
667 | my ($group, $userlist, $comment) = @data; | |
668 | ||
669 | if (!verify_groupname($group, 1)) { | |
670 | warn "user config - ignore group '$group' - invalid characters in group name\n"; | |
671 | next; | |
672 | } | |
673 | ||
674 | # make sure to add the group (even if there are no members) | |
675 | $cfg->{groups}->{$group} = { users => {} } if !$cfg->{groups}->{$group}; | |
676 | ||
677 | $cfg->{groups}->{$group}->{comment} = PVE::Tools::decode_text($comment) if $comment; | |
678 | ||
679 | foreach my $user (split_list($userlist)) { | |
680 | ||
5bb4e06a | 681 | if (!PVE::Auth::Plugin::verify_username($user, 1)) { |
2c3a6c0a DM |
682 | warn "user config - ignore invalid group member '$user'\n"; |
683 | next; | |
684 | } | |
685 | ||
66931b11 | 686 | if ($cfg->{users}->{$user}) { # user exists |
2c3a6c0a DM |
687 | $cfg->{users}->{$user}->{groups}->{$group} = 1; |
688 | $cfg->{groups}->{$group}->{users}->{$user} = 1; | |
689 | } else { | |
690 | warn "user config - ignore invalid group member '$user'\n"; | |
691 | } | |
692 | } | |
693 | ||
694 | } elsif ($et eq 'role') { | |
695 | my ($role, $privlist) = @data; | |
66931b11 | 696 | |
2c3a6c0a DM |
697 | if (!verify_rolename($role, 1)) { |
698 | warn "user config - ignore role '$role' - invalid characters in role name\n"; | |
699 | next; | |
700 | } | |
701 | ||
702 | # make sure to add the role (even if there are no privileges) | |
703 | $cfg->{roles}->{$role} = {} if !$cfg->{roles}->{$role}; | |
704 | ||
705 | foreach my $priv (split_list($privlist)) { | |
706 | if (defined ($valid_privs->{$priv})) { | |
707 | $cfg->{roles}->{$role}->{$priv} = 1; | |
708 | } else { | |
709 | warn "user config - ignore invalid priviledge '$priv'\n"; | |
66931b11 | 710 | } |
2c3a6c0a | 711 | } |
66931b11 | 712 | |
2c3a6c0a DM |
713 | } elsif ($et eq 'acl') { |
714 | my ($propagate, $pathtxt, $uglist, $rolelist) = @data; | |
715 | ||
716 | if (my $path = normalize_path($pathtxt)) { | |
717 | foreach my $role (split_list($rolelist)) { | |
66931b11 | 718 | |
2c3a6c0a DM |
719 | if (!verify_rolename($role, 1)) { |
720 | warn "user config - ignore invalid role name '$role' in acl\n"; | |
721 | next; | |
722 | } | |
723 | ||
724 | foreach my $ug (split_list($uglist)) { | |
9b217226 | 725 | if ($ug =~ m/^@(\S+)$/) { |
2c3a6c0a | 726 | my $group = $1; |
66931b11 | 727 | if ($cfg->{groups}->{$group}) { # group exists |
2c3a6c0a DM |
728 | $cfg->{acl}->{$path}->{groups}->{$group}->{$role} = $propagate; |
729 | } else { | |
730 | warn "user config - ignore invalid acl group '$group'\n"; | |
731 | } | |
5bb4e06a | 732 | } elsif (PVE::Auth::Plugin::verify_username($ug, 1)) { |
66931b11 | 733 | if ($cfg->{users}->{$ug}) { # user exists |
2c3a6c0a DM |
734 | $cfg->{acl}->{$path}->{users}->{$ug}->{$role} = $propagate; |
735 | } else { | |
736 | warn "user config - ignore invalid acl member '$ug'\n"; | |
737 | } | |
738 | } else { | |
739 | warn "user config - invalid user/group '$ug' in acl\n"; | |
740 | } | |
741 | } | |
742 | } | |
743 | } else { | |
744 | warn "user config - ignore invalid path in acl '$pathtxt'\n"; | |
745 | } | |
4bc17477 | 746 | } elsif ($et eq 'pool') { |
39c85db8 | 747 | my ($pool, $comment, $vmlist, $storelist) = @data; |
4bc17477 | 748 | |
39c85db8 DM |
749 | if (!verify_poolname($pool, 1)) { |
750 | warn "user config - ignore pool '$pool' - invalid characters in pool name\n"; | |
751 | next; | |
752 | } | |
4bc17477 | 753 | |
39c85db8 DM |
754 | # make sure to add the pool (even if there are no members) |
755 | $cfg->{pools}->{$pool} = { vms => {}, storage => {} } if !$cfg->{pools}->{$pool}; | |
4bc17477 | 756 | |
39c85db8 | 757 | $cfg->{pools}->{$pool}->{comment} = PVE::Tools::decode_text($comment) if $comment; |
4bc17477 | 758 | |
39c85db8 DM |
759 | foreach my $vmid (split_list($vmlist)) { |
760 | if ($vmid !~ m/^\d+$/) { | |
761 | warn "user config - ignore invalid vmid '$vmid' in pool '$pool'\n"; | |
762 | next; | |
4bc17477 | 763 | } |
39c85db8 | 764 | $vmid = int($vmid); |
4bc17477 | 765 | |
39c85db8 DM |
766 | if ($cfg->{vms}->{$vmid}) { |
767 | warn "user config - ignore duplicate vmid '$vmid' in pool '$pool'\n"; | |
768 | next; | |
4bc17477 DM |
769 | } |
770 | ||
39c85db8 | 771 | $cfg->{pools}->{$pool}->{vms}->{$vmid} = 1; |
66931b11 | 772 | |
39c85db8 DM |
773 | # record vmid ==> pool relation |
774 | $cfg->{vms}->{$vmid} = $pool; | |
775 | } | |
776 | ||
777 | foreach my $storeid (split_list($storelist)) { | |
778 | if ($storeid !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) { | |
779 | warn "user config - ignore invalid storage '$storeid' in pool '$pool'\n"; | |
780 | next; | |
781 | } | |
782 | $cfg->{pools}->{$pool}->{storage}->{$storeid} = 1; | |
4bc17477 | 783 | } |
2c3a6c0a DM |
784 | } else { |
785 | warn "user config - ignore config line: $line\n"; | |
786 | } | |
787 | } | |
788 | ||
789 | userconfig_force_defaults($cfg); | |
790 | ||
791 | return $cfg; | |
792 | } | |
793 | ||
2c3a6c0a DM |
794 | sub write_user_config { |
795 | my ($filename, $cfg) = @_; | |
796 | ||
797 | my $data = ''; | |
798 | ||
799 | foreach my $user (keys %{$cfg->{users}}) { | |
2c3a6c0a DM |
800 | my $d = $cfg->{users}->{$user}; |
801 | my $firstname = $d->{firstname} ? PVE::Tools::encode_text($d->{firstname}) : ''; | |
802 | my $lastname = $d->{lastname} ? PVE::Tools::encode_text($d->{lastname}) : ''; | |
803 | my $email = $d->{email} || ''; | |
804 | my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; | |
5eabc984 | 805 | my $expire = int($d->{expire} || 0); |
2c3a6c0a | 806 | my $enable = $d->{enable} ? 1 : 0; |
96f8ebd6 DM |
807 | my $keys = $d->{keys} ? $d->{keys} : ''; |
808 | $data .= "user:$user:$enable:$expire:$firstname:$lastname:$email:$comment:$keys:\n"; | |
2c3a6c0a DM |
809 | } |
810 | ||
811 | $data .= "\n"; | |
812 | ||
813 | foreach my $group (keys %{$cfg->{groups}}) { | |
814 | my $d = $cfg->{groups}->{$group}; | |
815 | my $list = join (',', keys %{$d->{users}}); | |
66931b11 | 816 | my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; |
2c3a6c0a DM |
817 | $data .= "group:$group:$list:$comment:\n"; |
818 | } | |
819 | ||
820 | $data .= "\n"; | |
821 | ||
39c85db8 DM |
822 | foreach my $pool (keys %{$cfg->{pools}}) { |
823 | my $d = $cfg->{pools}->{$pool}; | |
4bc17477 DM |
824 | my $vmlist = join (',', keys %{$d->{vms}}); |
825 | my $storelist = join (',', keys %{$d->{storage}}); | |
66931b11 | 826 | my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; |
39c85db8 | 827 | $data .= "pool:$pool:$comment:$vmlist:$storelist:\n"; |
4bc17477 DM |
828 | } |
829 | ||
830 | $data .= "\n"; | |
831 | ||
2c3a6c0a DM |
832 | foreach my $role (keys %{$cfg->{roles}}) { |
833 | next if $special_roles->{$role}; | |
834 | ||
835 | my $d = $cfg->{roles}->{$role}; | |
836 | my $list = join (',', keys %$d); | |
837 | $data .= "role:$role:$list:\n"; | |
838 | } | |
839 | ||
840 | $data .= "\n"; | |
841 | ||
842 | foreach my $path (sort keys %{$cfg->{acl}}) { | |
843 | my $d = $cfg->{acl}->{$path}; | |
844 | ||
845 | my $ra = {}; | |
846 | ||
847 | foreach my $group (keys %{$d->{groups}}) { | |
848 | my $l0 = ''; | |
849 | my $l1 = ''; | |
850 | foreach my $role (sort keys %{$d->{groups}->{$group}}) { | |
851 | my $propagate = $d->{groups}->{$group}->{$role}; | |
852 | if ($propagate) { | |
853 | $l1 .= ',' if $l1; | |
854 | $l1 .= $role; | |
855 | } else { | |
856 | $l0 .= ',' if $l0; | |
857 | $l0 .= $role; | |
858 | } | |
859 | } | |
860 | $ra->{0}->{$l0}->{"\@$group"} = 1 if $l0; | |
861 | $ra->{1}->{$l1}->{"\@$group"} = 1 if $l1; | |
862 | } | |
863 | ||
864 | foreach my $user (keys %{$d->{users}}) { | |
1075c589 | 865 | # no need to save, because root is always 'Administrator' |
66931b11 | 866 | next if $user eq 'root@pam'; |
2c3a6c0a DM |
867 | |
868 | my $l0 = ''; | |
869 | my $l1 = ''; | |
870 | foreach my $role (sort keys %{$d->{users}->{$user}}) { | |
871 | my $propagate = $d->{users}->{$user}->{$role}; | |
872 | if ($propagate) { | |
873 | $l1 .= ',' if $l1; | |
874 | $l1 .= $role; | |
875 | } else { | |
876 | $l0 .= ',' if $l0; | |
877 | $l0 .= $role; | |
878 | } | |
879 | } | |
880 | $ra->{0}->{$l0}->{$user} = 1 if $l0; | |
881 | $ra->{1}->{$l1}->{$user} = 1 if $l1; | |
882 | } | |
883 | ||
884 | foreach my $rolelist (sort keys %{$ra->{0}}) { | |
885 | my $uglist = join (',', keys %{$ra->{0}->{$rolelist}}); | |
886 | $data .= "acl:0:$path:$uglist:$rolelist:\n"; | |
887 | } | |
888 | foreach my $rolelist (sort keys %{$ra->{1}}) { | |
889 | my $uglist = join (',', keys %{$ra->{1}->{$rolelist}}); | |
890 | $data .= "acl:1:$path:$uglist:$rolelist:\n"; | |
891 | } | |
892 | } | |
893 | ||
894 | return $data; | |
895 | } | |
896 | ||
897 | sub roles { | |
898 | my ($cfg, $user, $path) = @_; | |
899 | ||
66931b11 | 900 | # NOTE: we do not consider pools here. |
4bc17477 DM |
901 | # You need to use $rpcenv->roles() instead if you want that. |
902 | ||
2c3a6c0a DM |
903 | return 'Administrator' if $user eq 'root@pam'; # root can do anything |
904 | ||
905 | my $perm = {}; | |
906 | ||
907 | foreach my $p (sort keys %{$cfg->{acl}}) { | |
908 | my $final = ($path eq $p); | |
909 | ||
910 | next if !(($p eq '/') || $final || ($path =~ m|^$p/|)); | |
911 | ||
912 | my $acl = $cfg->{acl}->{$p}; | |
913 | ||
914 | #print "CHECKACL $path $p\n"; | |
915 | #print "ACL $path = " . Dumper ($acl); | |
916 | ||
917 | if (my $ri = $acl->{users}->{$user}) { | |
918 | my $new; | |
919 | foreach my $role (keys %$ri) { | |
920 | my $propagate = $ri->{$role}; | |
921 | if ($final || $propagate) { | |
922 | #print "APPLY ROLE $p $user $role\n"; | |
923 | $new = {} if !$new; | |
924 | $new->{$role} = 1; | |
925 | } | |
926 | } | |
927 | if ($new) { | |
928 | $perm = $new; # overwrite previous settings | |
929 | next; # user privs always override group privs | |
930 | } | |
931 | } | |
932 | ||
933 | my $new; | |
934 | foreach my $g (keys %{$acl->{groups}}) { | |
935 | next if !$cfg->{groups}->{$g}->{users}->{$user}; | |
936 | if (my $ri = $acl->{groups}->{$g}) { | |
937 | foreach my $role (keys %$ri) { | |
938 | my $propagate = $ri->{$role}; | |
939 | if ($final || $propagate) { | |
940 | #print "APPLY ROLE $p \@$g $role\n"; | |
941 | $new = {} if !$new; | |
942 | $new->{$role} = 1; | |
943 | } | |
944 | } | |
945 | } | |
946 | } | |
947 | if ($new) { | |
948 | $perm = $new; # overwrite previous settings | |
949 | next; | |
950 | } | |
2c3a6c0a DM |
951 | } |
952 | ||
4bc17477 DM |
953 | return ('NoAccess') if defined ($perm->{NoAccess}); |
954 | #return () if defined ($perm->{NoAccess}); | |
66931b11 | 955 | |
2c3a6c0a DM |
956 | #print "permission $user $path = " . Dumper ($perm); |
957 | ||
4bc17477 | 958 | my @ra = keys %$perm; |
2c3a6c0a DM |
959 | |
960 | #print "roles $user $path = " . join (',', @ra) . "\n"; | |
961 | ||
962 | return @ra; | |
963 | } | |
66931b11 | 964 | |
2c3a6c0a DM |
965 | sub permission { |
966 | my ($cfg, $user, $path) = @_; | |
967 | ||
5bb4e06a | 968 | $user = PVE::Auth::Plugin::verify_username($user, 1); |
2c3a6c0a DM |
969 | return {} if !$user; |
970 | ||
971 | my @ra = roles($cfg, $user, $path); | |
66931b11 | 972 | |
2c3a6c0a DM |
973 | my $privs = {}; |
974 | ||
975 | foreach my $role (@ra) { | |
976 | if (my $privset = $cfg->{roles}->{$role}) { | |
977 | foreach my $p (keys %$privset) { | |
978 | $privs->{$p} = 1; | |
979 | } | |
980 | } | |
981 | } | |
982 | ||
983 | #print "priviledges $user $path = " . Dumper ($privs); | |
984 | ||
985 | return $privs; | |
986 | } | |
987 | ||
988 | sub check_permissions { | |
989 | my ($username, $path, $privlist) = @_; | |
990 | ||
991 | $path = normalize_path($path); | |
992 | my $usercfg = cfs_read_file('user.cfg'); | |
993 | my $perm = permission($usercfg, $username, $path); | |
994 | ||
995 | foreach my $priv (split_list($privlist)) { | |
996 | return undef if !$perm->{$priv}; | |
997 | }; | |
998 | ||
999 | return 1; | |
1000 | } | |
1001 | ||
3b4a3f94 AG |
1002 | sub remove_vm_access { |
1003 | my ($vmid) = @_; | |
1004 | my $delVMaccessFn = sub { | |
1005 | my $usercfg = cfs_read_file("user.cfg"); | |
57a70473 | 1006 | my $modified; |
3b4a3f94 | 1007 | |
57a70473 DM |
1008 | if (my $acl = $usercfg->{acl}->{"/vms/$vmid"}) { |
1009 | delete $usercfg->{acl}->{"/vms/$vmid"}; | |
1010 | $modified = 1; | |
3b4a3f94 AG |
1011 | } |
1012 | if (my $pool = $usercfg->{vms}->{$vmid}) { | |
1013 | if (my $data = $usercfg->{pools}->{$pool}) { | |
1014 | delete $data->{vms}->{$vmid}; | |
1015 | delete $usercfg->{vms}->{$vmid}; | |
57a70473 | 1016 | $modified = 1; |
3b4a3f94 AG |
1017 | } |
1018 | } | |
57a70473 | 1019 | cfs_write_file("user.cfg", $usercfg) if $modified; |
3b4a3f94 AG |
1020 | }; |
1021 | ||
1022 | lock_user_config($delVMaccessFn, "access permissions cleanup for VM $vmid failed"); | |
1023 | } | |
1024 | ||
60844761 AG |
1025 | sub remove_storage_access { |
1026 | my ($storeid) = @_; | |
1027 | ||
1028 | my $deleteStorageAccessFn = sub { | |
1029 | my $usercfg = cfs_read_file("user.cfg"); | |
1030 | my $modified; | |
1031 | ||
1032 | if (my $storage = $usercfg->{acl}->{"/storage/$storeid"}) { | |
1033 | delete $usercfg->{acl}->{"/storage/$storeid"}; | |
1034 | $modified = 1; | |
1035 | } | |
1036 | foreach my $pool (keys %{$usercfg->{pools}}) { | |
1037 | delete $usercfg->{pools}->{$pool}->{storage}->{$storeid}; | |
1038 | $modified = 1; | |
1039 | } | |
1040 | cfs_write_file("user.cfg", $usercfg) if $modified; | |
1041 | }; | |
1042 | ||
1043 | lock_user_config($deleteStorageAccessFn, | |
1044 | "access permissions cleanup for storage $storeid failed"); | |
1045 | } | |
1046 | ||
018ae3a9 DM |
1047 | sub add_vm_to_pool { |
1048 | my ($vmid, $pool) = @_; | |
1049 | ||
1050 | my $addVMtoPoolFn = sub { | |
1051 | my $usercfg = cfs_read_file("user.cfg"); | |
1052 | if (my $data = $usercfg->{pools}->{$pool}) { | |
1053 | $data->{vms}->{$vmid} = 1; | |
1054 | $usercfg->{vms}->{$vmid} = $pool; | |
1055 | cfs_write_file("user.cfg", $usercfg); | |
1056 | } | |
1057 | }; | |
1058 | ||
1059 | lock_user_config($addVMtoPoolFn, "can't add VM $vmid to pool '$pool'"); | |
1060 | } | |
1061 | ||
1062 | sub remove_vm_from_pool { | |
1063 | my ($vmid) = @_; | |
66931b11 | 1064 | |
018ae3a9 DM |
1065 | my $delVMfromPoolFn = sub { |
1066 | my $usercfg = cfs_read_file("user.cfg"); | |
1067 | if (my $pool = $usercfg->{vms}->{$vmid}) { | |
1068 | if (my $data = $usercfg->{pools}->{$pool}) { | |
1069 | delete $data->{vms}->{$vmid}; | |
1070 | delete $usercfg->{vms}->{$vmid}; | |
1071 | cfs_write_file("user.cfg", $usercfg); | |
1072 | } | |
1073 | } | |
1074 | }; | |
1075 | ||
1076 | lock_user_config($delVMfromPoolFn, "pool cleanup for VM $vmid failed"); | |
1077 | } | |
1078 | ||
9d52f6f2 WB |
1079 | # hotp/totp code |
1080 | ||
1081 | sub hotp($$;$) { | |
1082 | my ($binsecret, $number, $digits) = @_; | |
1083 | ||
1084 | $digits = 6 if !defined($digits); | |
1085 | ||
1086 | my $bincounter = pack('Q>', $number); | |
1087 | my $hmac = Digest::SHA::hmac_sha1($bincounter, $binsecret); | |
1088 | ||
1089 | my $offset = unpack('C', substr($hmac,19) & pack('C', 0x0F)); | |
1090 | my $part = substr($hmac, $offset, 4); | |
1091 | my $otp = unpack('N', $part); | |
1092 | my $value = ($otp & 0x7fffffff) % (10**$digits); | |
1093 | return sprintf("%0${digits}d", $value); | |
1094 | } | |
1095 | ||
ab652a80 DM |
1096 | # experimental code for yubico OTP verification |
1097 | ||
1098 | sub yubico_compute_param_sig { | |
1099 | my ($param, $api_key) = @_; | |
1100 | ||
1101 | my $paramstr = ''; | |
1102 | foreach my $key (sort keys %$param) { | |
1103 | $paramstr .= '&' if $paramstr; | |
1104 | $paramstr .= "$key=$param->{$key}"; | |
1105 | } | |
1106 | ||
b10d0e26 WB |
1107 | # hmac_sha1_base64 does not add '=' padding characters, so we use encode_base64 |
1108 | my $sig = uri_escape(encode_base64(Digest::SHA::hmac_sha1($paramstr, decode_base64($api_key || '')), '')); | |
ab652a80 DM |
1109 | |
1110 | return ($paramstr, $sig); | |
1111 | } | |
1112 | ||
1113 | sub yubico_verify_otp { | |
96f8ebd6 DM |
1114 | my ($otp, $keys, $url, $api_id, $api_key, $proxy) = @_; |
1115 | ||
1116 | die "yubico: missing password\n" if !defined($otp); | |
1117 | die "yubico: missing API ID\n" if !defined($api_id); | |
1118 | die "yubico: missing API KEY\n" if !defined($api_key); | |
66931b11 | 1119 | die "yubico: no associated yubico keys\n" if $keys =~ m/^\s+$/; |
ab652a80 | 1120 | |
1075c589 | 1121 | die "yubico: wrong OTP length\n" if (length($otp) < 32) || (length($otp) > 48); |
ab652a80 | 1122 | |
96f8ebd6 | 1123 | $url = 'http://api2.yubico.com/wsapi/2.0/verify' if !defined($url); |
66931b11 | 1124 | |
ab652a80 | 1125 | my $params = { |
b10d0e26 | 1126 | nonce => Digest::SHA::hmac_sha1_hex(time(), rand()), |
ab652a80 DM |
1127 | id => $api_id, |
1128 | otp => uri_escape($otp), | |
1129 | timestamp => 1, | |
1130 | }; | |
1131 | ||
1132 | my ($paramstr, $sig) = yubico_compute_param_sig($params, $api_key); | |
1133 | ||
1134 | $paramstr .= "&h=$sig" if $api_key; | |
1135 | ||
1136 | my $req = HTTP::Request->new('GET' => "$url?$paramstr"); | |
1137 | ||
ba6c2e66 | 1138 | my $ua = LWP::UserAgent->new(protocols_allowed => ['http', 'https'], timeout => 30); |
ab652a80 DM |
1139 | |
1140 | if ($proxy) { | |
ba6c2e66 | 1141 | $ua->proxy(['http', 'https'], $proxy); |
ab652a80 DM |
1142 | } else { |
1143 | $ua->env_proxy; | |
1144 | } | |
1145 | ||
1146 | my $response = $ua->request($req); | |
1147 | my $code = $response->code; | |
1148 | ||
1149 | if ($code != 200) { | |
1150 | my $msg = $response->message || 'unknown'; | |
1151 | die "Invalid response from server: $code $msg\n"; | |
1152 | } | |
1153 | ||
1154 | my $raw = $response->decoded_content; | |
1155 | ||
1156 | my $result = {}; | |
1157 | foreach my $kvpair (split(/\n/, $raw)) { | |
1158 | chomp $kvpair; | |
1159 | if($kvpair =~ /^\S+=/) { | |
1160 | my ($k, $v) = split(/=/, $kvpair, 2); | |
1161 | $v =~ s/\s//g; | |
1162 | $result->{$k} = $v; | |
1163 | } | |
1164 | } | |
1165 | ||
1166 | my $rsig = $result->{h}; | |
1167 | delete $result->{h}; | |
1168 | ||
1169 | if ($api_key) { | |
1170 | my ($datastr, $vsig) = yubico_compute_param_sig($result, $api_key); | |
1171 | $vsig = uri_unescape($vsig); | |
96f8ebd6 | 1172 | die "yubico: result signature verification failed\n" if $rsig ne $vsig; |
ab652a80 DM |
1173 | } |
1174 | ||
96f8ebd6 DM |
1175 | die "yubico auth failed: $result->{status}\n" if $result->{status} ne 'OK'; |
1176 | ||
1177 | my $publicid = $result->{publicid} = substr(lc($result->{otp}), 0, 12); | |
1178 | ||
1179 | my $found; | |
1180 | foreach my $k (PVE::Tools::split_list($keys)) { | |
1181 | if ($k eq $publicid) { | |
1182 | $found = 1; | |
1183 | last; | |
1184 | } | |
1185 | } | |
ab652a80 | 1186 | |
96f8ebd6 | 1187 | die "yubico auth failed: key does not belong to user\n" if !$found; |
ab652a80 DM |
1188 | |
1189 | return $result; | |
1190 | } | |
1191 | ||
1abc2c0a | 1192 | sub oath_verify_otp { |
86cd805b | 1193 | my ($otp, $keys, $step, $digits) = @_; |
1abc2c0a DM |
1194 | |
1195 | die "oath: missing password\n" if !defined($otp); | |
66931b11 | 1196 | die "oath: no associated oath keys\n" if $keys =~ m/^\s+$/; |
1abc2c0a | 1197 | |
86cd805b DM |
1198 | $step = 30 if !$step; |
1199 | $digits = 6 if !$digits; | |
1abc2c0a DM |
1200 | |
1201 | my $found; | |
1abc2c0a DM |
1202 | foreach my $k (PVE::Tools::split_list($keys)) { |
1203 | # Note: we generate 3 values to allow small time drift | |
9d52f6f2 | 1204 | my $binkey; |
5426494b | 1205 | if ($k =~ /^[A-Z2-7=]{16}$/) { |
9d52f6f2 WB |
1206 | $binkey = MIME::Base32::decode_rfc3548($k); |
1207 | } elsif ($k =~ /^[A-Fa-f0-9]{40}$/) { | |
1208 | $binkey = pack('H*', $k); | |
1209 | } else { | |
1210 | die "unrecognized key format, must be hex or base32 encoded\n"; | |
1211 | } | |
1212 | ||
1213 | # force integer division for time/step | |
1214 | use integer; | |
1215 | my $now = time()/$step - 1; | |
1216 | $found = 1 if $otp eq hotp($binkey, $now+0, $digits); | |
1217 | $found = 1 if $otp eq hotp($binkey, $now+1, $digits); | |
1218 | $found = 1 if $otp eq hotp($binkey, $now+2, $digits); | |
1abc2c0a DM |
1219 | last if $found; |
1220 | } | |
1221 | ||
1222 | die "oath auth failed\n" if !$found; | |
1223 | } | |
1224 | ||
3e5bfdf6 DM |
1225 | # bash completion helpers |
1226 | ||
1227 | sub complete_username { | |
1228 | ||
1229 | my $user_cfg = cfs_read_file('user.cfg'); | |
1230 | ||
1231 | return [ keys %{$user_cfg->{users}} ]; | |
1232 | } | |
1233 | ||
1234 | sub complete_group { | |
1235 | ||
1236 | my $user_cfg = cfs_read_file('user.cfg'); | |
1237 | ||
1238 | return [ keys %{$user_cfg->{groups}} ]; | |
1239 | } | |
1240 | ||
1241 | sub complete_realm { | |
1242 | ||
1243 | my $domain_cfg = cfs_read_file('domains.cfg'); | |
1244 | ||
1245 | return [ keys %{$domain_cfg->{ids}} ]; | |
1246 | } | |
1247 | ||
2c3a6c0a | 1248 | 1; |