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1 | package PVE::AccessControl; | |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use Encode; | |
6 | use Crypt::OpenSSL::Random; | |
7 | use Crypt::OpenSSL::RSA; | |
8 | use Net::SSLeay; | |
9 | use MIME::Base64; | |
10 | use Digest::SHA; | |
11 | use Digest::HMAC_SHA1; | |
12 | use URI::Escape; | |
13 | use LWP::UserAgent; | |
14 | use PVE::Tools qw(run_command lock_file file_get_contents split_list safe_print); | |
15 | use PVE::Cluster qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file); | |
16 | use PVE::JSONSchema; | |
17 | ||
18 | use PVE::Auth::Plugin; | |
19 | use PVE::Auth::AD; | |
20 | use PVE::Auth::LDAP; | |
21 | use PVE::Auth::PVE; | |
22 | use PVE::Auth::PAM; | |
23 | ||
24 | use Data::Dumper; # fixme: remove | |
25 | ||
26 | # load and initialize all plugins | |
27 | ||
28 | PVE::Auth::AD->register(); | |
29 | PVE::Auth::LDAP->register(); | |
30 | PVE::Auth::PVE->register(); | |
31 | PVE::Auth::PAM->register(); | |
32 | PVE::Auth::Plugin->init(); | |
33 | ||
34 | # $authdir must be writable by root only! | |
35 | my $confdir = "/etc/pve"; | |
36 | my $authdir = "$confdir/priv"; | |
37 | my $authprivkeyfn = "$authdir/authkey.key"; | |
38 | my $authpubkeyfn = "$confdir/authkey.pub"; | |
39 | my $pve_www_key_fn = "$confdir/pve-www.key"; | |
40 | ||
41 | my $ticket_lifetime = 3600*2; # 2 hours | |
42 | ||
43 | Crypt::OpenSSL::RSA->import_random_seed(); | |
44 | ||
45 | cfs_register_file('user.cfg', | |
46 | \&parse_user_config, | |
47 | \&write_user_config); | |
48 | ||
49 | ||
50 | sub verify_username { | |
51 | PVE::Auth::Plugin::verify_username(@_); | |
52 | } | |
53 | ||
54 | sub pve_verify_realm { | |
55 | PVE::Auth::Plugin::pve_verify_realm(@_); | |
56 | } | |
57 | ||
58 | sub lock_user_config { | |
59 | my ($code, $errmsg) = @_; | |
60 | ||
61 | cfs_lock_file("user.cfg", undef, $code); | |
62 | if (my $err = $@) { | |
63 | $errmsg ? die "$errmsg: $err" : die $err; | |
64 | } | |
65 | } | |
66 | ||
67 | my $pve_auth_pub_key; | |
68 | sub get_pubkey { | |
69 | ||
70 | return $pve_auth_pub_key if $pve_auth_pub_key; | |
71 | ||
72 | my $input = PVE::Tools::file_get_contents($authpubkeyfn); | |
73 | ||
74 | $pve_auth_pub_key = Crypt::OpenSSL::RSA->new_public_key($input); | |
75 | ||
76 | return $pve_auth_pub_key; | |
77 | } | |
78 | ||
79 | my $csrf_prevention_secret; | |
80 | my $get_csrfr_secret = sub { | |
81 | if (!$csrf_prevention_secret) { | |
82 | my $input = PVE::Tools::file_get_contents($pve_www_key_fn); | |
83 | $csrf_prevention_secret = Digest::SHA::sha1_base64($input); | |
84 | } | |
85 | return $csrf_prevention_secret; | |
86 | }; | |
87 | ||
88 | sub assemble_csrf_prevention_token { | |
89 | my ($username) = @_; | |
90 | ||
91 | my $timestamp = sprintf("%08X", time()); | |
92 | ||
93 | my $digest = Digest::SHA::sha1_base64("$timestamp:$username", &$get_csrfr_secret()); | |
94 | ||
95 | return "$timestamp:$digest"; | |
96 | } | |
97 | ||
98 | sub verify_csrf_prevention_token { | |
99 | my ($username, $token, $noerr) = @_; | |
100 | ||
101 | if ($token =~ m/^([A-Z0-9]{8}):(\S+)$/) { | |
102 | my $sig = $2; | |
103 | my $timestamp = $1; | |
104 | my $ttime = hex($timestamp); | |
105 | ||
106 | my $digest = Digest::SHA::sha1_base64("$timestamp:$username", &$get_csrfr_secret()); | |
107 | ||
108 | my $age = time() - $ttime; | |
109 | return if ($digest eq $sig) && ($age > -300) && ($age < $ticket_lifetime); | |
110 | } | |
111 | ||
112 | die "Permission denied - invalid csrf token\n" if !$noerr; | |
113 | ||
114 | return undef; | |
115 | } | |
116 | ||
117 | my $pve_auth_priv_key; | |
118 | sub get_privkey { | |
119 | ||
120 | return $pve_auth_priv_key if $pve_auth_priv_key; | |
121 | ||
122 | my $input = PVE::Tools::file_get_contents($authprivkeyfn); | |
123 | ||
124 | $pve_auth_priv_key = Crypt::OpenSSL::RSA->new_private_key($input); | |
125 | ||
126 | return $pve_auth_priv_key; | |
127 | } | |
128 | ||
129 | sub assemble_ticket { | |
130 | my ($username) = @_; | |
131 | ||
132 | my $rsa_priv = get_privkey(); | |
133 | ||
134 | my $timestamp = sprintf("%08X", time()); | |
135 | ||
136 | my $plain = "PVE:$username:$timestamp"; | |
137 | ||
138 | my $ticket = $plain . "::" . encode_base64($rsa_priv->sign($plain), ''); | |
139 | ||
140 | return $ticket; | |
141 | } | |
142 | ||
143 | sub verify_ticket { | |
144 | my ($ticket, $noerr) = @_; | |
145 | ||
146 | if ($ticket && $ticket =~ m/^(PVE:\S+)::([^:\s]+)$/) { | |
147 | my $plain = $1; | |
148 | my $sig = $2; | |
149 | ||
150 | my $rsa_pub = get_pubkey(); | |
151 | if ($rsa_pub->verify($plain, decode_base64($sig))) { | |
152 | if ($plain =~ m/^PVE:(\S+):([A-Z0-9]{8})$/) { | |
153 | my $username = $1; | |
154 | my $timestamp = $2; | |
155 | my $ttime = hex($timestamp); | |
156 | ||
157 | my $age = time() - $ttime; | |
158 | ||
159 | if (PVE::Auth::Plugin::verify_username($username, 1) && | |
160 | ($age > -300) && ($age < $ticket_lifetime)) { | |
161 | return wantarray ? ($username, $age) : $username; | |
162 | } | |
163 | } | |
164 | } | |
165 | } | |
166 | ||
167 | die "permission denied - invalid ticket\n" if !$noerr; | |
168 | ||
169 | return undef; | |
170 | } | |
171 | ||
172 | # VNC tickets | |
173 | # - they do not contain the username in plain text | |
174 | # - they are restricted to a specific resource path (example: '/vms/100') | |
175 | sub assemble_vnc_ticket { | |
176 | my ($username, $path) = @_; | |
177 | ||
178 | my $rsa_priv = get_privkey(); | |
179 | ||
180 | my $timestamp = sprintf("%08X", time()); | |
181 | ||
182 | my $plain = "PVEVNC:$timestamp"; | |
183 | ||
184 | $path = normalize_path($path); | |
185 | ||
186 | my $full = "$plain:$username:$path"; | |
187 | ||
188 | my $ticket = $plain . "::" . encode_base64($rsa_priv->sign($full), ''); | |
189 | ||
190 | return $ticket; | |
191 | } | |
192 | ||
193 | sub verify_vnc_ticket { | |
194 | my ($ticket, $username, $path, $noerr) = @_; | |
195 | ||
196 | if ($ticket && $ticket =~ m/^(PVEVNC:\S+)::([^:\s]+)$/) { | |
197 | my $plain = $1; | |
198 | my $sig = $2; | |
199 | my $full = "$plain:$username:$path"; | |
200 | ||
201 | my $rsa_pub = get_pubkey(); | |
202 | # Note: sign only match if $username and $path is correct | |
203 | if ($rsa_pub->verify($full, decode_base64($sig))) { | |
204 | if ($plain =~ m/^PVEVNC:([A-Z0-9]{8})$/) { | |
205 | my $ttime = hex($1); | |
206 | ||
207 | my $age = time() - $ttime; | |
208 | ||
209 | if (($age > -20) && ($age < 40)) { | |
210 | return 1; | |
211 | } | |
212 | } | |
213 | } | |
214 | } | |
215 | ||
216 | die "permission denied - invalid vnc ticket\n" if !$noerr; | |
217 | ||
218 | return undef; | |
219 | } | |
220 | ||
221 | sub assemble_spice_ticket { | |
222 | my ($username, $vmid, $node) = @_; | |
223 | ||
224 | my $rsa_priv = get_privkey(); | |
225 | ||
226 | my $timestamp = sprintf("%08x", time()); | |
227 | ||
228 | my $randomstr = "PVESPICE:$timestamp:$vmid:$node:" . rand(10); | |
229 | ||
230 | # this should be uses as one-time password | |
231 | # max length is 60 chars (spice limit) | |
232 | # we pass this to qemu set_pasword and limit lifetime there | |
233 | # keep this secret | |
234 | my $ticket = Digest::SHA::sha1_hex($rsa_priv->sign($randomstr)); | |
235 | ||
236 | # Note: spice proxy connects with HTTP, so $proxyticket is exposed to public | |
237 | # we use a signature/timestamp to make sure nobody can fake such ticket | |
238 | # an attacker can use this $proxyticket, but he will fail because $ticket is | |
239 | # private. | |
240 | # The proxy need to be able to extract/verify the ticket | |
241 | # Note: data needs to be lower case only, because virt-viewer needs that | |
242 | # Note: RSA signature are too long (>=256 charaters) and makes problems with remote-viewer | |
243 | ||
244 | my $secret = &$get_csrfr_secret(); | |
245 | my $plain = "pvespiceproxy:$timestamp:$vmid:" . lc($node); | |
246 | ||
247 | # produces 40 characters | |
248 | my $sig = unpack("H*", Digest::SHA::sha1($plain, &$get_csrfr_secret())); | |
249 | ||
250 | #my $sig = unpack("H*", $rsa_priv->sign($plain)); # this produce too long strings (512) | |
251 | ||
252 | my $proxyticket = $plain . "::" . $sig; | |
253 | ||
254 | return ($ticket, $proxyticket); | |
255 | } | |
256 | ||
257 | sub verify_spice_connect_url { | |
258 | my ($connect_str) = @_; | |
259 | ||
260 | # Note: we pass the spice ticket as 'host', so the | |
261 | # spice viewer connects with "$ticket:$port" | |
262 | ||
263 | return undef if !$connect_str; | |
264 | ||
265 | if ($connect_str =~m/^pvespiceproxy:([a-z0-9]{8}):(\d+):(\S+)::([a-z0-9]{40}):(\d+)$/) { | |
266 | my ($timestamp, $vmid, $node, $hexsig, $port) = ($1, $2, $3, $4, $5, $6); | |
267 | my $ttime = hex($timestamp); | |
268 | my $age = time() - $ttime; | |
269 | ||
270 | # use very limited lifetime - is this enough? | |
271 | return undef if !(($age > -20) && ($age < 40)); | |
272 | ||
273 | my $plain = "pvespiceproxy:$timestamp:$vmid:$node"; | |
274 | my $sig = unpack("H*", Digest::SHA::sha1($plain, &$get_csrfr_secret())); | |
275 | ||
276 | if ($sig eq $hexsig) { | |
277 | return ($vmid, $node, $port); | |
278 | } | |
279 | } | |
280 | ||
281 | return undef; | |
282 | } | |
283 | ||
284 | sub read_x509_subject_spice { | |
285 | my ($filename) = @_; | |
286 | ||
287 | # read x509 subject | |
288 | my $bio = Net::SSLeay::BIO_new_file($filename, 'r'); | |
289 | my $x509 = Net::SSLeay::PEM_read_bio_X509($bio); | |
290 | Net::SSLeay::BIO_free($bio); | |
291 | my $nameobj = Net::SSLeay::X509_get_subject_name($x509); | |
292 | my $subject = Net::SSLeay::X509_NAME_oneline($nameobj); | |
293 | Net::SSLeay::X509_free($x509); | |
294 | ||
295 | # remote-viewer wants comma as seperator (not '/') | |
296 | $subject =~ s!^/!!; | |
297 | $subject =~ s!/(\w+=)!,$1!g; | |
298 | ||
299 | return $subject; | |
300 | } | |
301 | ||
302 | # helper to generate SPICE remote-viewer configuration | |
303 | sub remote_viewer_config { | |
304 | my ($authuser, $vmid, $node, $proxy, $title, $port) = @_; | |
305 | ||
306 | if (!$proxy) { | |
307 | my $host = `hostname -f` || PVE::INotify::nodename(); | |
308 | chomp $host; | |
309 | $proxy = $host; | |
310 | } | |
311 | ||
312 | my ($ticket, $proxyticket) = assemble_spice_ticket($authuser, $vmid, $node); | |
313 | ||
314 | my $filename = "/etc/pve/local/pve-ssl.pem"; | |
315 | my $subject = read_x509_subject_spice($filename); | |
316 | ||
317 | my $cacert = PVE::Tools::file_get_contents("/etc/pve/pve-root-ca.pem", 8192); | |
318 | $cacert =~ s/\n/\\n/g; | |
319 | ||
320 | my $config = { | |
321 | 'secure-attention' => "Ctrl+Alt+Ins", | |
322 | 'toggle-fullscreen' => "Shift+F11", | |
323 | 'release-cursor' => "Ctrl+Alt+R", | |
324 | type => 'spice', | |
325 | title => $title, | |
326 | host => $proxyticket, # this break tls hostname verification, so we need to use 'host-subject' | |
327 | proxy => "http://$proxy:3128", | |
328 | 'tls-port' => $port, | |
329 | 'host-subject' => $subject, | |
330 | ca => $cacert, | |
331 | password => $ticket, | |
332 | 'delete-this-file' => 1, | |
333 | }; | |
334 | ||
335 | return ($ticket, $proxyticket, $config); | |
336 | } | |
337 | ||
338 | sub check_user_exist { | |
339 | my ($usercfg, $username, $noerr) = @_; | |
340 | ||
341 | $username = PVE::Auth::Plugin::verify_username($username, $noerr); | |
342 | return undef if !$username; | |
343 | ||
344 | return $usercfg->{users}->{$username} if $usercfg && $usercfg->{users}->{$username}; | |
345 | ||
346 | die "no such user ('$username')\n" if !$noerr; | |
347 | ||
348 | return undef; | |
349 | } | |
350 | ||
351 | sub check_user_enabled { | |
352 | my ($usercfg, $username, $noerr) = @_; | |
353 | ||
354 | my $data = check_user_exist($usercfg, $username, $noerr); | |
355 | return undef if !$data; | |
356 | ||
357 | return 1 if $data->{enable}; | |
358 | ||
359 | return 1 if $username eq 'root@pam'; # root is always enabled | |
360 | ||
361 | die "user '$username' is disabled\n" if !$noerr; | |
362 | ||
363 | return undef; | |
364 | } | |
365 | ||
366 | sub verify_one_time_pw { | |
367 | my ($usercfg, $username, $tfa_cfg, $otp) = @_; | |
368 | ||
369 | my $type = $tfa_cfg->{type}; | |
370 | ||
371 | die "missing one time password for Factor-two authentication '$type'\n" if !$otp; | |
372 | ||
373 | # fixme: proxy support? | |
374 | my $proxy; | |
375 | ||
376 | if ($type eq 'yubico') { | |
377 | my $keys = $usercfg->{users}->{$username}->{keys}; | |
378 | yubico_verify_otp($otp, $keys, $tfa_cfg->{url}, $tfa_cfg->{id}, $tfa_cfg->{key}, $proxy); | |
379 | } else { | |
380 | die "unknown tfa type '$type'\n"; | |
381 | } | |
382 | } | |
383 | ||
384 | # password should be utf8 encoded | |
385 | # Note: some pluging delay/sleep if auth fails | |
386 | sub authenticate_user { | |
387 | my ($username, $password, $otp) = @_; | |
388 | ||
389 | die "no username specified\n" if !$username; | |
390 | ||
391 | my ($ruid, $realm); | |
392 | ||
393 | ($username, $ruid, $realm) = PVE::Auth::Plugin::verify_username($username); | |
394 | ||
395 | my $usercfg = cfs_read_file('user.cfg'); | |
396 | ||
397 | check_user_enabled($usercfg, $username); | |
398 | ||
399 | my $ctime = time(); | |
400 | my $expire = $usercfg->{users}->{$username}->{expire}; | |
401 | ||
402 | die "account expired\n" if $expire && ($expire < $ctime); | |
403 | ||
404 | my $domain_cfg = cfs_read_file('domains.cfg'); | |
405 | ||
406 | my $cfg = $domain_cfg->{ids}->{$realm}; | |
407 | die "auth domain '$realm' does not exists\n" if !$cfg; | |
408 | my $plugin = PVE::Auth::Plugin->lookup($cfg->{type}); | |
409 | $plugin->authenticate_user($cfg, $realm, $ruid, $password); | |
410 | ||
411 | if ($cfg->{tfa}) { | |
412 | my $tfa_cfg = PVE::Auth::Plugin::parse_tfa_config($cfg->{tfa}); | |
413 | verify_one_time_pw($usercfg, $username, $tfa_cfg, $otp); | |
414 | } | |
415 | ||
416 | return $username; | |
417 | } | |
418 | ||
419 | sub domain_set_password { | |
420 | my ($realm, $username, $password) = @_; | |
421 | ||
422 | die "no auth domain specified" if !$realm; | |
423 | ||
424 | my $domain_cfg = cfs_read_file('domains.cfg'); | |
425 | ||
426 | my $cfg = $domain_cfg->{ids}->{$realm}; | |
427 | die "auth domain '$realm' does not exists\n" if !$cfg; | |
428 | my $plugin = PVE::Auth::Plugin->lookup($cfg->{type}); | |
429 | $plugin->store_password($cfg, $realm, $username, $password); | |
430 | } | |
431 | ||
432 | sub add_user_group { | |
433 | ||
434 | my ($username, $usercfg, $group) = @_; | |
435 | $usercfg->{users}->{$username}->{groups}->{$group} = 1; | |
436 | $usercfg->{groups}->{$group}->{users}->{$username} = 1; | |
437 | } | |
438 | ||
439 | sub delete_user_group { | |
440 | ||
441 | my ($username, $usercfg) = @_; | |
442 | ||
443 | foreach my $group (keys %{$usercfg->{groups}}) { | |
444 | ||
445 | delete ($usercfg->{groups}->{$group}->{users}->{$username}) | |
446 | if $usercfg->{groups}->{$group}->{users}->{$username}; | |
447 | } | |
448 | } | |
449 | ||
450 | sub delete_user_acl { | |
451 | ||
452 | my ($username, $usercfg) = @_; | |
453 | ||
454 | foreach my $acl (keys %{$usercfg->{acl}}) { | |
455 | ||
456 | delete ($usercfg->{acl}->{$acl}->{users}->{$username}) | |
457 | if $usercfg->{acl}->{$acl}->{users}->{$username}; | |
458 | } | |
459 | } | |
460 | ||
461 | sub delete_group_acl { | |
462 | ||
463 | my ($group, $usercfg) = @_; | |
464 | ||
465 | foreach my $acl (keys %{$usercfg->{acl}}) { | |
466 | ||
467 | delete ($usercfg->{acl}->{$acl}->{groups}->{$group}) | |
468 | if $usercfg->{acl}->{$acl}->{groups}->{$group}; | |
469 | } | |
470 | } | |
471 | ||
472 | sub delete_pool_acl { | |
473 | ||
474 | my ($pool, $usercfg) = @_; | |
475 | ||
476 | my $path = "/pool/$pool"; | |
477 | ||
478 | foreach my $aclpath (keys %{$usercfg->{acl}}) { | |
479 | delete ($usercfg->{acl}->{$aclpath}) | |
480 | if $usercfg->{acl}->{$aclpath} eq 'path'; | |
481 | } | |
482 | } | |
483 | ||
484 | # we automatically create some predefined roles by splitting privs | |
485 | # into 3 groups (per category) | |
486 | # root: only root is allowed to do that | |
487 | # admin: an administrator can to that | |
488 | # user: a normak user/customer can to that | |
489 | my $privgroups = { | |
490 | VM => { | |
491 | root => [], | |
492 | admin => [ | |
493 | 'VM.Config.Disk', | |
494 | 'VM.Config.CPU', | |
495 | 'VM.Config.Memory', | |
496 | 'VM.Config.Network', | |
497 | 'VM.Config.HWType', | |
498 | 'VM.Config.Options', # covers all other things | |
499 | 'VM.Allocate', | |
500 | 'VM.Clone', | |
501 | 'VM.Migrate', | |
502 | 'VM.Monitor', | |
503 | 'VM.Snapshot', | |
504 | ], | |
505 | user => [ | |
506 | 'VM.Config.CDROM', # change CDROM media | |
507 | 'VM.Console', | |
508 | 'VM.Backup', | |
509 | 'VM.PowerMgmt', | |
510 | ], | |
511 | audit => [ | |
512 | 'VM.Audit', | |
513 | ], | |
514 | }, | |
515 | Sys => { | |
516 | root => [ | |
517 | 'Sys.PowerMgmt', | |
518 | 'Sys.Modify', # edit/change node settings | |
519 | ], | |
520 | admin => [ | |
521 | 'Permissions.Modify', | |
522 | 'Sys.Console', | |
523 | 'Sys.Syslog', | |
524 | ], | |
525 | user => [], | |
526 | audit => [ | |
527 | 'Sys.Audit', | |
528 | ], | |
529 | }, | |
530 | Datastore => { | |
531 | root => [], | |
532 | admin => [ | |
533 | 'Datastore.Allocate', | |
534 | 'Datastore.AllocateTemplate', | |
535 | ], | |
536 | user => [ | |
537 | 'Datastore.AllocateSpace', | |
538 | ], | |
539 | audit => [ | |
540 | 'Datastore.Audit', | |
541 | ], | |
542 | }, | |
543 | User => { | |
544 | root => [ | |
545 | 'Realm.Allocate', | |
546 | ], | |
547 | admin => [ | |
548 | 'User.Modify', | |
549 | 'Group.Allocate', # edit/change group settings | |
550 | 'Realm.AllocateUser', | |
551 | ], | |
552 | user => [], | |
553 | audit => [], | |
554 | }, | |
555 | Pool => { | |
556 | root => [], | |
557 | admin => [ | |
558 | 'Pool.Allocate', # create/delete pools | |
559 | ], | |
560 | user => [], | |
561 | audit => [], | |
562 | }, | |
563 | }; | |
564 | ||
565 | my $valid_privs = {}; | |
566 | ||
567 | my $special_roles = { | |
568 | 'NoAccess' => {}, # no priviledges | |
569 | 'Administrator' => $valid_privs, # all priviledges | |
570 | }; | |
571 | ||
572 | sub create_roles { | |
573 | ||
574 | foreach my $cat (keys %$privgroups) { | |
575 | my $cd = $privgroups->{$cat}; | |
576 | foreach my $p (@{$cd->{root}}, @{$cd->{admin}}, | |
577 | @{$cd->{user}}, @{$cd->{audit}}) { | |
578 | $valid_privs->{$p} = 1; | |
579 | } | |
580 | foreach my $p (@{$cd->{admin}}, @{$cd->{user}}, @{$cd->{audit}}) { | |
581 | ||
582 | $special_roles->{"PVE${cat}Admin"}->{$p} = 1; | |
583 | $special_roles->{"PVEAdmin"}->{$p} = 1; | |
584 | } | |
585 | if (scalar(@{$cd->{user}})) { | |
586 | foreach my $p (@{$cd->{user}}, @{$cd->{audit}}) { | |
587 | $special_roles->{"PVE${cat}User"}->{$p} = 1; | |
588 | } | |
589 | } | |
590 | foreach my $p (@{$cd->{audit}}) { | |
591 | $special_roles->{"PVEAuditor"}->{$p} = 1; | |
592 | } | |
593 | } | |
594 | ||
595 | $special_roles->{"PVETemplateUser"} = { 'VM.Clone' => 1, 'VM.Audit' => 1 }; | |
596 | }; | |
597 | ||
598 | create_roles(); | |
599 | ||
600 | sub add_role_privs { | |
601 | my ($role, $usercfg, $privs) = @_; | |
602 | ||
603 | return if !$privs; | |
604 | ||
605 | die "role '$role' does not exist\n" if !$usercfg->{roles}->{$role}; | |
606 | ||
607 | foreach my $priv (split_list($privs)) { | |
608 | if (defined ($valid_privs->{$priv})) { | |
609 | $usercfg->{roles}->{$role}->{$priv} = 1; | |
610 | } else { | |
611 | die "invalid priviledge '$priv'\n"; | |
612 | } | |
613 | } | |
614 | } | |
615 | ||
616 | sub normalize_path { | |
617 | my $path = shift; | |
618 | ||
619 | $path =~ s|/+|/|g; | |
620 | ||
621 | $path =~ s|/$||; | |
622 | ||
623 | $path = '/' if !$path; | |
624 | ||
625 | $path = "/$path" if $path !~ m|^/|; | |
626 | ||
627 | return undef if $path !~ m|^[[:alnum:]\.\-\_\/]+$|; | |
628 | ||
629 | return $path; | |
630 | } | |
631 | ||
632 | ||
633 | PVE::JSONSchema::register_format('pve-groupid', \&verify_groupname); | |
634 | sub verify_groupname { | |
635 | my ($groupname, $noerr) = @_; | |
636 | ||
637 | if ($groupname !~ m/^[A-Za-z0-9\.\-_]+$/) { | |
638 | ||
639 | die "group name '$groupname' contains invalid characters\n" if !$noerr; | |
640 | ||
641 | return undef; | |
642 | } | |
643 | ||
644 | return $groupname; | |
645 | } | |
646 | ||
647 | PVE::JSONSchema::register_format('pve-roleid', \&verify_rolename); | |
648 | sub verify_rolename { | |
649 | my ($rolename, $noerr) = @_; | |
650 | ||
651 | if ($rolename !~ m/^[A-Za-z0-9\.\-_]+$/) { | |
652 | ||
653 | die "role name '$rolename' contains invalid characters\n" if !$noerr; | |
654 | ||
655 | return undef; | |
656 | } | |
657 | ||
658 | return $rolename; | |
659 | } | |
660 | ||
661 | PVE::JSONSchema::register_format('pve-poolid', \&verify_groupname); | |
662 | sub verify_poolname { | |
663 | my ($poolname, $noerr) = @_; | |
664 | ||
665 | if ($poolname !~ m/^[A-Za-z0-9\.\-_]+$/) { | |
666 | ||
667 | die "pool name '$poolname' contains invalid characters\n" if !$noerr; | |
668 | ||
669 | return undef; | |
670 | } | |
671 | ||
672 | return $poolname; | |
673 | } | |
674 | ||
675 | PVE::JSONSchema::register_format('pve-priv', \&verify_privname); | |
676 | sub verify_privname { | |
677 | my ($priv, $noerr) = @_; | |
678 | ||
679 | if (!$valid_privs->{$priv}) { | |
680 | die "invalid priviledge '$priv'\n" if !$noerr; | |
681 | ||
682 | return undef; | |
683 | } | |
684 | ||
685 | return $priv; | |
686 | } | |
687 | ||
688 | sub userconfig_force_defaults { | |
689 | my ($cfg) = @_; | |
690 | ||
691 | foreach my $r (keys %$special_roles) { | |
692 | $cfg->{roles}->{$r} = $special_roles->{$r}; | |
693 | } | |
694 | ||
695 | # fixme: remove 'root' group (not required)? | |
696 | ||
697 | # add root user | |
698 | $cfg->{users}->{'root@pam'}->{enable} = 1; | |
699 | } | |
700 | ||
701 | sub parse_user_config { | |
702 | my ($filename, $raw) = @_; | |
703 | ||
704 | my $cfg = {}; | |
705 | ||
706 | userconfig_force_defaults($cfg); | |
707 | ||
708 | while ($raw && $raw =~ s/^(.*?)(\n|$)//) { | |
709 | my $line = $1; | |
710 | ||
711 | next if $line =~ m/^\s*$/; # skip empty lines | |
712 | ||
713 | my @data; | |
714 | ||
715 | foreach my $d (split (/:/, $line)) { | |
716 | $d =~ s/^\s+//; | |
717 | $d =~ s/\s+$//; | |
718 | push @data, $d | |
719 | } | |
720 | ||
721 | my $et = shift @data; | |
722 | ||
723 | if ($et eq 'user') { | |
724 | my ($user, $enable, $expire, $firstname, $lastname, $email, $comment, $keys) = @data; | |
725 | ||
726 | my (undef, undef, $realm) = PVE::Auth::Plugin::verify_username($user, 1); | |
727 | if (!$realm) { | |
728 | warn "user config - ignore user '$user' - invalid user name\n"; | |
729 | next; | |
730 | } | |
731 | ||
732 | $enable = $enable ? 1 : 0; | |
733 | ||
734 | $expire = 0 if !$expire; | |
735 | ||
736 | if ($expire !~ m/^\d+$/) { | |
737 | warn "user config - ignore user '$user' - (illegal characters in expire '$expire')\n"; | |
738 | next; | |
739 | } | |
740 | $expire = int($expire); | |
741 | ||
742 | #if (!verify_groupname ($group, 1)) { | |
743 | # warn "user config - ignore user '$user' - invalid characters in group name\n"; | |
744 | # next; | |
745 | #} | |
746 | ||
747 | $cfg->{users}->{$user} = { | |
748 | enable => $enable, | |
749 | # group => $group, | |
750 | }; | |
751 | $cfg->{users}->{$user}->{firstname} = PVE::Tools::decode_text($firstname) if $firstname; | |
752 | $cfg->{users}->{$user}->{lastname} = PVE::Tools::decode_text($lastname) if $lastname; | |
753 | $cfg->{users}->{$user}->{email} = $email; | |
754 | $cfg->{users}->{$user}->{comment} = PVE::Tools::decode_text($comment) if $comment; | |
755 | $cfg->{users}->{$user}->{expire} = $expire; | |
756 | $cfg->{users}->{$user}->{keys} = $keys if $keys; # allowed yubico key ids | |
757 | ||
758 | #$cfg->{users}->{$user}->{groups}->{$group} = 1; | |
759 | #$cfg->{groups}->{$group}->{$user} = 1; | |
760 | ||
761 | } elsif ($et eq 'group') { | |
762 | my ($group, $userlist, $comment) = @data; | |
763 | ||
764 | if (!verify_groupname($group, 1)) { | |
765 | warn "user config - ignore group '$group' - invalid characters in group name\n"; | |
766 | next; | |
767 | } | |
768 | ||
769 | # make sure to add the group (even if there are no members) | |
770 | $cfg->{groups}->{$group} = { users => {} } if !$cfg->{groups}->{$group}; | |
771 | ||
772 | $cfg->{groups}->{$group}->{comment} = PVE::Tools::decode_text($comment) if $comment; | |
773 | ||
774 | foreach my $user (split_list($userlist)) { | |
775 | ||
776 | if (!PVE::Auth::Plugin::verify_username($user, 1)) { | |
777 | warn "user config - ignore invalid group member '$user'\n"; | |
778 | next; | |
779 | } | |
780 | ||
781 | if ($cfg->{users}->{$user}) { # user exists | |
782 | $cfg->{users}->{$user}->{groups}->{$group} = 1; | |
783 | $cfg->{groups}->{$group}->{users}->{$user} = 1; | |
784 | } else { | |
785 | warn "user config - ignore invalid group member '$user'\n"; | |
786 | } | |
787 | } | |
788 | ||
789 | } elsif ($et eq 'role') { | |
790 | my ($role, $privlist) = @data; | |
791 | ||
792 | if (!verify_rolename($role, 1)) { | |
793 | warn "user config - ignore role '$role' - invalid characters in role name\n"; | |
794 | next; | |
795 | } | |
796 | ||
797 | # make sure to add the role (even if there are no privileges) | |
798 | $cfg->{roles}->{$role} = {} if !$cfg->{roles}->{$role}; | |
799 | ||
800 | foreach my $priv (split_list($privlist)) { | |
801 | if (defined ($valid_privs->{$priv})) { | |
802 | $cfg->{roles}->{$role}->{$priv} = 1; | |
803 | } else { | |
804 | warn "user config - ignore invalid priviledge '$priv'\n"; | |
805 | } | |
806 | } | |
807 | ||
808 | } elsif ($et eq 'acl') { | |
809 | my ($propagate, $pathtxt, $uglist, $rolelist) = @data; | |
810 | ||
811 | if (my $path = normalize_path($pathtxt)) { | |
812 | foreach my $role (split_list($rolelist)) { | |
813 | ||
814 | if (!verify_rolename($role, 1)) { | |
815 | warn "user config - ignore invalid role name '$role' in acl\n"; | |
816 | next; | |
817 | } | |
818 | ||
819 | foreach my $ug (split_list($uglist)) { | |
820 | if ($ug =~ m/^@(\S+)$/) { | |
821 | my $group = $1; | |
822 | if ($cfg->{groups}->{$group}) { # group exists | |
823 | $cfg->{acl}->{$path}->{groups}->{$group}->{$role} = $propagate; | |
824 | } else { | |
825 | warn "user config - ignore invalid acl group '$group'\n"; | |
826 | } | |
827 | } elsif (PVE::Auth::Plugin::verify_username($ug, 1)) { | |
828 | if ($cfg->{users}->{$ug}) { # user exists | |
829 | $cfg->{acl}->{$path}->{users}->{$ug}->{$role} = $propagate; | |
830 | } else { | |
831 | warn "user config - ignore invalid acl member '$ug'\n"; | |
832 | } | |
833 | } else { | |
834 | warn "user config - invalid user/group '$ug' in acl\n"; | |
835 | } | |
836 | } | |
837 | } | |
838 | } else { | |
839 | warn "user config - ignore invalid path in acl '$pathtxt'\n"; | |
840 | } | |
841 | } elsif ($et eq 'pool') { | |
842 | my ($pool, $comment, $vmlist, $storelist) = @data; | |
843 | ||
844 | if (!verify_poolname($pool, 1)) { | |
845 | warn "user config - ignore pool '$pool' - invalid characters in pool name\n"; | |
846 | next; | |
847 | } | |
848 | ||
849 | # make sure to add the pool (even if there are no members) | |
850 | $cfg->{pools}->{$pool} = { vms => {}, storage => {} } if !$cfg->{pools}->{$pool}; | |
851 | ||
852 | $cfg->{pools}->{$pool}->{comment} = PVE::Tools::decode_text($comment) if $comment; | |
853 | ||
854 | foreach my $vmid (split_list($vmlist)) { | |
855 | if ($vmid !~ m/^\d+$/) { | |
856 | warn "user config - ignore invalid vmid '$vmid' in pool '$pool'\n"; | |
857 | next; | |
858 | } | |
859 | $vmid = int($vmid); | |
860 | ||
861 | if ($cfg->{vms}->{$vmid}) { | |
862 | warn "user config - ignore duplicate vmid '$vmid' in pool '$pool'\n"; | |
863 | next; | |
864 | } | |
865 | ||
866 | $cfg->{pools}->{$pool}->{vms}->{$vmid} = 1; | |
867 | ||
868 | # record vmid ==> pool relation | |
869 | $cfg->{vms}->{$vmid} = $pool; | |
870 | } | |
871 | ||
872 | foreach my $storeid (split_list($storelist)) { | |
873 | if ($storeid !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) { | |
874 | warn "user config - ignore invalid storage '$storeid' in pool '$pool'\n"; | |
875 | next; | |
876 | } | |
877 | $cfg->{pools}->{$pool}->{storage}->{$storeid} = 1; | |
878 | } | |
879 | } else { | |
880 | warn "user config - ignore config line: $line\n"; | |
881 | } | |
882 | } | |
883 | ||
884 | userconfig_force_defaults($cfg); | |
885 | ||
886 | return $cfg; | |
887 | } | |
888 | ||
889 | sub write_user_config { | |
890 | my ($filename, $cfg) = @_; | |
891 | ||
892 | my $data = ''; | |
893 | ||
894 | foreach my $user (keys %{$cfg->{users}}) { | |
895 | my $d = $cfg->{users}->{$user}; | |
896 | my $firstname = $d->{firstname} ? PVE::Tools::encode_text($d->{firstname}) : ''; | |
897 | my $lastname = $d->{lastname} ? PVE::Tools::encode_text($d->{lastname}) : ''; | |
898 | my $email = $d->{email} || ''; | |
899 | my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; | |
900 | my $expire = int($d->{expire} || 0); | |
901 | my $enable = $d->{enable} ? 1 : 0; | |
902 | my $keys = $d->{keys} ? $d->{keys} : ''; | |
903 | $data .= "user:$user:$enable:$expire:$firstname:$lastname:$email:$comment:$keys:\n"; | |
904 | } | |
905 | ||
906 | $data .= "\n"; | |
907 | ||
908 | foreach my $group (keys %{$cfg->{groups}}) { | |
909 | my $d = $cfg->{groups}->{$group}; | |
910 | my $list = join (',', keys %{$d->{users}}); | |
911 | my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; | |
912 | $data .= "group:$group:$list:$comment:\n"; | |
913 | } | |
914 | ||
915 | $data .= "\n"; | |
916 | ||
917 | foreach my $pool (keys %{$cfg->{pools}}) { | |
918 | my $d = $cfg->{pools}->{$pool}; | |
919 | my $vmlist = join (',', keys %{$d->{vms}}); | |
920 | my $storelist = join (',', keys %{$d->{storage}}); | |
921 | my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; | |
922 | $data .= "pool:$pool:$comment:$vmlist:$storelist:\n"; | |
923 | } | |
924 | ||
925 | $data .= "\n"; | |
926 | ||
927 | foreach my $role (keys %{$cfg->{roles}}) { | |
928 | next if $special_roles->{$role}; | |
929 | ||
930 | my $d = $cfg->{roles}->{$role}; | |
931 | my $list = join (',', keys %$d); | |
932 | $data .= "role:$role:$list:\n"; | |
933 | } | |
934 | ||
935 | $data .= "\n"; | |
936 | ||
937 | foreach my $path (sort keys %{$cfg->{acl}}) { | |
938 | my $d = $cfg->{acl}->{$path}; | |
939 | ||
940 | my $ra = {}; | |
941 | ||
942 | foreach my $group (keys %{$d->{groups}}) { | |
943 | my $l0 = ''; | |
944 | my $l1 = ''; | |
945 | foreach my $role (sort keys %{$d->{groups}->{$group}}) { | |
946 | my $propagate = $d->{groups}->{$group}->{$role}; | |
947 | if ($propagate) { | |
948 | $l1 .= ',' if $l1; | |
949 | $l1 .= $role; | |
950 | } else { | |
951 | $l0 .= ',' if $l0; | |
952 | $l0 .= $role; | |
953 | } | |
954 | } | |
955 | $ra->{0}->{$l0}->{"\@$group"} = 1 if $l0; | |
956 | $ra->{1}->{$l1}->{"\@$group"} = 1 if $l1; | |
957 | } | |
958 | ||
959 | foreach my $user (keys %{$d->{users}}) { | |
960 | # no need to save, because root is always 'Administartor' | |
961 | next if $user eq 'root@pam'; | |
962 | ||
963 | my $l0 = ''; | |
964 | my $l1 = ''; | |
965 | foreach my $role (sort keys %{$d->{users}->{$user}}) { | |
966 | my $propagate = $d->{users}->{$user}->{$role}; | |
967 | if ($propagate) { | |
968 | $l1 .= ',' if $l1; | |
969 | $l1 .= $role; | |
970 | } else { | |
971 | $l0 .= ',' if $l0; | |
972 | $l0 .= $role; | |
973 | } | |
974 | } | |
975 | $ra->{0}->{$l0}->{$user} = 1 if $l0; | |
976 | $ra->{1}->{$l1}->{$user} = 1 if $l1; | |
977 | } | |
978 | ||
979 | foreach my $rolelist (sort keys %{$ra->{0}}) { | |
980 | my $uglist = join (',', keys %{$ra->{0}->{$rolelist}}); | |
981 | $data .= "acl:0:$path:$uglist:$rolelist:\n"; | |
982 | } | |
983 | foreach my $rolelist (sort keys %{$ra->{1}}) { | |
984 | my $uglist = join (',', keys %{$ra->{1}->{$rolelist}}); | |
985 | $data .= "acl:1:$path:$uglist:$rolelist:\n"; | |
986 | } | |
987 | } | |
988 | ||
989 | return $data; | |
990 | } | |
991 | ||
992 | sub roles { | |
993 | my ($cfg, $user, $path) = @_; | |
994 | ||
995 | # NOTE: we do not consider pools here. | |
996 | # You need to use $rpcenv->roles() instead if you want that. | |
997 | ||
998 | return 'Administrator' if $user eq 'root@pam'; # root can do anything | |
999 | ||
1000 | my $perm = {}; | |
1001 | ||
1002 | foreach my $p (sort keys %{$cfg->{acl}}) { | |
1003 | my $final = ($path eq $p); | |
1004 | ||
1005 | next if !(($p eq '/') || $final || ($path =~ m|^$p/|)); | |
1006 | ||
1007 | my $acl = $cfg->{acl}->{$p}; | |
1008 | ||
1009 | #print "CHECKACL $path $p\n"; | |
1010 | #print "ACL $path = " . Dumper ($acl); | |
1011 | ||
1012 | if (my $ri = $acl->{users}->{$user}) { | |
1013 | my $new; | |
1014 | foreach my $role (keys %$ri) { | |
1015 | my $propagate = $ri->{$role}; | |
1016 | if ($final || $propagate) { | |
1017 | #print "APPLY ROLE $p $user $role\n"; | |
1018 | $new = {} if !$new; | |
1019 | $new->{$role} = 1; | |
1020 | } | |
1021 | } | |
1022 | if ($new) { | |
1023 | $perm = $new; # overwrite previous settings | |
1024 | next; # user privs always override group privs | |
1025 | } | |
1026 | } | |
1027 | ||
1028 | my $new; | |
1029 | foreach my $g (keys %{$acl->{groups}}) { | |
1030 | next if !$cfg->{groups}->{$g}->{users}->{$user}; | |
1031 | if (my $ri = $acl->{groups}->{$g}) { | |
1032 | foreach my $role (keys %$ri) { | |
1033 | my $propagate = $ri->{$role}; | |
1034 | if ($final || $propagate) { | |
1035 | #print "APPLY ROLE $p \@$g $role\n"; | |
1036 | $new = {} if !$new; | |
1037 | $new->{$role} = 1; | |
1038 | } | |
1039 | } | |
1040 | } | |
1041 | } | |
1042 | if ($new) { | |
1043 | $perm = $new; # overwrite previous settings | |
1044 | next; | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | return ('NoAccess') if defined ($perm->{NoAccess}); | |
1049 | #return () if defined ($perm->{NoAccess}); | |
1050 | ||
1051 | #print "permission $user $path = " . Dumper ($perm); | |
1052 | ||
1053 | my @ra = keys %$perm; | |
1054 | ||
1055 | #print "roles $user $path = " . join (',', @ra) . "\n"; | |
1056 | ||
1057 | return @ra; | |
1058 | } | |
1059 | ||
1060 | sub permission { | |
1061 | my ($cfg, $user, $path) = @_; | |
1062 | ||
1063 | $user = PVE::Auth::Plugin::verify_username($user, 1); | |
1064 | return {} if !$user; | |
1065 | ||
1066 | my @ra = roles($cfg, $user, $path); | |
1067 | ||
1068 | my $privs = {}; | |
1069 | ||
1070 | foreach my $role (@ra) { | |
1071 | if (my $privset = $cfg->{roles}->{$role}) { | |
1072 | foreach my $p (keys %$privset) { | |
1073 | $privs->{$p} = 1; | |
1074 | } | |
1075 | } | |
1076 | } | |
1077 | ||
1078 | #print "priviledges $user $path = " . Dumper ($privs); | |
1079 | ||
1080 | return $privs; | |
1081 | } | |
1082 | ||
1083 | sub check_permissions { | |
1084 | my ($username, $path, $privlist) = @_; | |
1085 | ||
1086 | $path = normalize_path($path); | |
1087 | my $usercfg = cfs_read_file('user.cfg'); | |
1088 | my $perm = permission($usercfg, $username, $path); | |
1089 | ||
1090 | foreach my $priv (split_list($privlist)) { | |
1091 | return undef if !$perm->{$priv}; | |
1092 | }; | |
1093 | ||
1094 | return 1; | |
1095 | } | |
1096 | ||
1097 | sub add_vm_to_pool { | |
1098 | my ($vmid, $pool) = @_; | |
1099 | ||
1100 | my $addVMtoPoolFn = sub { | |
1101 | my $usercfg = cfs_read_file("user.cfg"); | |
1102 | if (my $data = $usercfg->{pools}->{$pool}) { | |
1103 | $data->{vms}->{$vmid} = 1; | |
1104 | $usercfg->{vms}->{$vmid} = $pool; | |
1105 | cfs_write_file("user.cfg", $usercfg); | |
1106 | } | |
1107 | }; | |
1108 | ||
1109 | lock_user_config($addVMtoPoolFn, "can't add VM $vmid to pool '$pool'"); | |
1110 | } | |
1111 | ||
1112 | sub remove_vm_from_pool { | |
1113 | my ($vmid) = @_; | |
1114 | ||
1115 | my $delVMfromPoolFn = sub { | |
1116 | my $usercfg = cfs_read_file("user.cfg"); | |
1117 | if (my $pool = $usercfg->{vms}->{$vmid}) { | |
1118 | if (my $data = $usercfg->{pools}->{$pool}) { | |
1119 | delete $data->{vms}->{$vmid}; | |
1120 | delete $usercfg->{vms}->{$vmid}; | |
1121 | cfs_write_file("user.cfg", $usercfg); | |
1122 | } | |
1123 | } | |
1124 | }; | |
1125 | ||
1126 | lock_user_config($delVMfromPoolFn, "pool cleanup for VM $vmid failed"); | |
1127 | } | |
1128 | ||
1129 | # experimental code for yubico OTP verification | |
1130 | ||
1131 | sub yubico_compute_param_sig { | |
1132 | my ($param, $api_key) = @_; | |
1133 | ||
1134 | my $paramstr = ''; | |
1135 | foreach my $key (sort keys %$param) { | |
1136 | $paramstr .= '&' if $paramstr; | |
1137 | $paramstr .= "$key=$param->{$key}"; | |
1138 | } | |
1139 | ||
1140 | my $sig = uri_escape(encode_base64(Digest::HMAC_SHA1::hmac_sha1($paramstr, decode_base64($api_key || '')), '')); | |
1141 | ||
1142 | return ($paramstr, $sig); | |
1143 | } | |
1144 | ||
1145 | sub yubico_verify_otp { | |
1146 | my ($otp, $keys, $url, $api_id, $api_key, $proxy) = @_; | |
1147 | ||
1148 | die "yubico: missing password\n" if !defined($otp); | |
1149 | die "yubico: missing API ID\n" if !defined($api_id); | |
1150 | die "yubico: missing API KEY\n" if !defined($api_key); | |
1151 | die "yubico: no associated yubico keys\n" if $keys =~ m/^\s+$/; | |
1152 | ||
1153 | die "yubico: wrong OTP lenght\n" if (length($otp) < 32) || (length($otp) > 48); | |
1154 | ||
1155 | # we always use http, because https cert verification always make problem, and | |
1156 | # some proxies does not work with https. | |
1157 | ||
1158 | $url = 'http://api2.yubico.com/wsapi/2.0/verify' if !defined($url); | |
1159 | ||
1160 | my $params = { | |
1161 | nonce => Digest::HMAC_SHA1::hmac_sha1_hex(time(), rand()), | |
1162 | id => $api_id, | |
1163 | otp => uri_escape($otp), | |
1164 | timestamp => 1, | |
1165 | }; | |
1166 | ||
1167 | my ($paramstr, $sig) = yubico_compute_param_sig($params, $api_key); | |
1168 | ||
1169 | $paramstr .= "&h=$sig" if $api_key; | |
1170 | ||
1171 | my $req = HTTP::Request->new('GET' => "$url?$paramstr"); | |
1172 | ||
1173 | my $ua = LWP::UserAgent->new(protocols_allowed => ['http'], timeout => 30); | |
1174 | ||
1175 | if ($proxy) { | |
1176 | $ua->proxy(['http'], $proxy); | |
1177 | } else { | |
1178 | $ua->env_proxy; | |
1179 | } | |
1180 | ||
1181 | my $response = $ua->request($req); | |
1182 | my $code = $response->code; | |
1183 | ||
1184 | if ($code != 200) { | |
1185 | my $msg = $response->message || 'unknown'; | |
1186 | die "Invalid response from server: $code $msg\n"; | |
1187 | } | |
1188 | ||
1189 | my $raw = $response->decoded_content; | |
1190 | ||
1191 | my $result = {}; | |
1192 | foreach my $kvpair (split(/\n/, $raw)) { | |
1193 | chomp $kvpair; | |
1194 | if($kvpair =~ /^\S+=/) { | |
1195 | my ($k, $v) = split(/=/, $kvpair, 2); | |
1196 | $v =~ s/\s//g; | |
1197 | $result->{$k} = $v; | |
1198 | } | |
1199 | } | |
1200 | ||
1201 | my $rsig = $result->{h}; | |
1202 | delete $result->{h}; | |
1203 | ||
1204 | if ($api_key) { | |
1205 | my ($datastr, $vsig) = yubico_compute_param_sig($result, $api_key); | |
1206 | $vsig = uri_unescape($vsig); | |
1207 | die "yubico: result signature verification failed\n" if $rsig ne $vsig; | |
1208 | } | |
1209 | ||
1210 | die "yubico auth failed: $result->{status}\n" if $result->{status} ne 'OK'; | |
1211 | ||
1212 | my $publicid = $result->{publicid} = substr(lc($result->{otp}), 0, 12); | |
1213 | ||
1214 | my $found; | |
1215 | foreach my $k (PVE::Tools::split_list($keys)) { | |
1216 | if ($k eq $publicid) { | |
1217 | $found = 1; | |
1218 | last; | |
1219 | } | |
1220 | } | |
1221 | ||
1222 | die "yubico auth failed: key does not belong to user\n" if !$found; | |
1223 | ||
1224 | return $result; | |
1225 | } | |
1226 | ||
1227 | 1; |