]>
Commit | Line | Data |
---|---|---|
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 DM |
10 | use MIME::Base64; |
11 | use Digest::SHA; | |
ab652a80 DM |
12 | use Digest::HMAC_SHA1; |
13 | use URI::Escape; | |
14 | use LWP::UserAgent; | |
2c3a6c0a DM |
15 | use PVE::Tools qw(run_command lock_file file_get_contents split_list safe_print); |
16 | use PVE::Cluster qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file); | |
17 | use PVE::JSONSchema; | |
5bb4e06a DM |
18 | |
19 | use PVE::Auth::Plugin; | |
20 | use PVE::Auth::AD; | |
21 | use PVE::Auth::LDAP; | |
22 | use PVE::Auth::PVE; | |
23 | use PVE::Auth::PAM; | |
2c3a6c0a DM |
24 | |
25 | use Data::Dumper; # fixme: remove | |
26 | ||
5bb4e06a DM |
27 | # load and initialize all plugins |
28 | ||
29 | PVE::Auth::AD->register(); | |
30 | PVE::Auth::LDAP->register(); | |
31 | PVE::Auth::PVE->register(); | |
32 | PVE::Auth::PAM->register(); | |
33 | PVE::Auth::Plugin->init(); | |
34 | ||
2c3a6c0a DM |
35 | # $authdir must be writable by root only! |
36 | my $confdir = "/etc/pve"; | |
37 | my $authdir = "$confdir/priv"; | |
38 | my $authprivkeyfn = "$authdir/authkey.key"; | |
39 | my $authpubkeyfn = "$confdir/authkey.pub"; | |
2c3a6c0a DM |
40 | my $pve_www_key_fn = "$confdir/pve-www.key"; |
41 | ||
42 | my $ticket_lifetime = 3600*2; # 2 hours | |
43 | ||
44 | Crypt::OpenSSL::RSA->import_random_seed(); | |
45 | ||
66931b11 DM |
46 | cfs_register_file('user.cfg', |
47 | \&parse_user_config, | |
2c3a6c0a DM |
48 | \&write_user_config); |
49 | ||
2c3a6c0a | 50 | |
5bb4e06a DM |
51 | sub verify_username { |
52 | PVE::Auth::Plugin::verify_username(@_); | |
2c3a6c0a DM |
53 | } |
54 | ||
5bb4e06a DM |
55 | sub pve_verify_realm { |
56 | PVE::Auth::Plugin::pve_verify_realm(@_); | |
2c3a6c0a DM |
57 | } |
58 | ||
5bb4e06a | 59 | sub lock_user_config { |
2c3a6c0a DM |
60 | my ($code, $errmsg) = @_; |
61 | ||
5bb4e06a DM |
62 | cfs_lock_file("user.cfg", undef, $code); |
63 | if (my $err = $@) { | |
2c3a6c0a DM |
64 | $errmsg ? die "$errmsg: $err" : die $err; |
65 | } | |
66 | } | |
67 | ||
68 | my $pve_auth_pub_key; | |
66931b11 | 69 | sub get_pubkey { |
2c3a6c0a DM |
70 | |
71 | return $pve_auth_pub_key if $pve_auth_pub_key; | |
72 | ||
66931b11 | 73 | my $input = PVE::Tools::file_get_contents($authpubkeyfn); |
2c3a6c0a DM |
74 | |
75 | $pve_auth_pub_key = Crypt::OpenSSL::RSA->new_public_key($input); | |
76 | ||
77 | return $pve_auth_pub_key; | |
78 | } | |
79 | ||
80 | my $csrf_prevention_secret; | |
81 | my $get_csrfr_secret = sub { | |
82 | if (!$csrf_prevention_secret) { | |
66931b11 | 83 | my $input = PVE::Tools::file_get_contents($pve_www_key_fn); |
2c3a6c0a DM |
84 | $csrf_prevention_secret = Digest::SHA::sha1_base64($input); |
85 | } | |
86 | return $csrf_prevention_secret; | |
87 | }; | |
88 | ||
89 | sub assemble_csrf_prevention_token { | |
90 | my ($username) = @_; | |
91 | ||
92 | my $timestamp = sprintf("%08X", time()); | |
93 | ||
94 | my $digest = Digest::SHA::sha1_base64("$timestamp:$username", &$get_csrfr_secret()); | |
95 | ||
66931b11 | 96 | return "$timestamp:$digest"; |
2c3a6c0a DM |
97 | } |
98 | ||
99 | sub verify_csrf_prevention_token { | |
100 | my ($username, $token, $noerr) = @_; | |
101 | ||
102 | if ($token =~ m/^([A-Z0-9]{8}):(\S+)$/) { | |
103 | my $sig = $2; | |
104 | my $timestamp = $1; | |
105 | my $ttime = hex($timestamp); | |
106 | ||
107 | my $digest = Digest::SHA::sha1_base64("$timestamp:$username", &$get_csrfr_secret()); | |
108 | ||
109 | my $age = time() - $ttime; | |
110 | return if ($digest eq $sig) && ($age > -300) && ($age < $ticket_lifetime); | |
111 | } | |
112 | ||
113 | die "Permission denied - invalid csrf token\n" if !$noerr; | |
114 | ||
115 | return undef; | |
116 | } | |
117 | ||
118 | my $pve_auth_priv_key; | |
119 | sub get_privkey { | |
120 | ||
121 | return $pve_auth_priv_key if $pve_auth_priv_key; | |
122 | ||
66931b11 | 123 | my $input = PVE::Tools::file_get_contents($authprivkeyfn); |
2c3a6c0a DM |
124 | |
125 | $pve_auth_priv_key = Crypt::OpenSSL::RSA->new_private_key($input); | |
126 | ||
127 | return $pve_auth_priv_key; | |
128 | } | |
129 | ||
130 | sub assemble_ticket { | |
131 | my ($username) = @_; | |
132 | ||
133 | my $rsa_priv = get_privkey(); | |
134 | ||
135 | my $timestamp = sprintf("%08X", time()); | |
136 | ||
137 | my $plain = "PVE:$username:$timestamp"; | |
138 | ||
139 | my $ticket = $plain . "::" . encode_base64($rsa_priv->sign($plain), ''); | |
140 | ||
141 | return $ticket; | |
142 | } | |
143 | ||
144 | sub verify_ticket { | |
145 | my ($ticket, $noerr) = @_; | |
146 | ||
adf8d771 | 147 | if ($ticket && $ticket =~ m/^(PVE:\S+)::([^:\s]+)$/) { |
2c3a6c0a DM |
148 | my $plain = $1; |
149 | my $sig = $2; | |
150 | ||
151 | my $rsa_pub = get_pubkey(); | |
152 | if ($rsa_pub->verify($plain, decode_base64($sig))) { | |
533219a1 | 153 | if ($plain =~ m/^PVE:(\S+):([A-Z0-9]{8})$/) { |
2c3a6c0a | 154 | my $username = $1; |
533219a1 | 155 | my $timestamp = $2; |
2c3a6c0a DM |
156 | my $ttime = hex($timestamp); |
157 | ||
158 | my $age = time() - $ttime; | |
159 | ||
5bb4e06a | 160 | if (PVE::Auth::Plugin::verify_username($username, 1) && |
533219a1 | 161 | ($age > -300) && ($age < $ticket_lifetime)) { |
2c3a6c0a DM |
162 | return wantarray ? ($username, $age) : $username; |
163 | } | |
164 | } | |
165 | } | |
166 | } | |
167 | ||
168 | die "permission denied - invalid ticket\n" if !$noerr; | |
169 | ||
170 | return undef; | |
171 | } | |
172 | ||
adf8d771 DM |
173 | # VNC tickets |
174 | # - they do not contain the username in plain text | |
175 | # - they are restricted to a specific resource path (example: '/vms/100') | |
176 | sub assemble_vnc_ticket { | |
177 | my ($username, $path) = @_; | |
178 | ||
179 | my $rsa_priv = get_privkey(); | |
180 | ||
181 | my $timestamp = sprintf("%08X", time()); | |
182 | ||
183 | my $plain = "PVEVNC:$timestamp"; | |
184 | ||
185 | $path = normalize_path($path); | |
186 | ||
187 | my $full = "$plain:$username:$path"; | |
188 | ||
189 | my $ticket = $plain . "::" . encode_base64($rsa_priv->sign($full), ''); | |
190 | ||
191 | return $ticket; | |
192 | } | |
193 | ||
194 | sub verify_vnc_ticket { | |
195 | my ($ticket, $username, $path, $noerr) = @_; | |
196 | ||
197 | if ($ticket && $ticket =~ m/^(PVEVNC:\S+)::([^:\s]+)$/) { | |
198 | my $plain = $1; | |
199 | my $sig = $2; | |
200 | my $full = "$plain:$username:$path"; | |
201 | ||
202 | my $rsa_pub = get_pubkey(); | |
203 | # Note: sign only match if $username and $path is correct | |
204 | if ($rsa_pub->verify($full, decode_base64($sig))) { | |
205 | if ($plain =~ m/^PVEVNC:([A-Z0-9]{8})$/) { | |
206 | my $ttime = hex($1); | |
207 | ||
208 | my $age = time() - $ttime; | |
209 | ||
210 | if (($age > -20) && ($age < 40)) { | |
211 | return 1; | |
212 | } | |
213 | } | |
214 | } | |
215 | } | |
216 | ||
217 | die "permission denied - invalid vnc ticket\n" if !$noerr; | |
218 | ||
219 | return undef; | |
220 | } | |
221 | ||
23b35225 | 222 | sub assemble_spice_ticket { |
bf3e6d31 | 223 | my ($username, $vmid, $node) = @_; |
23b35225 AD |
224 | |
225 | my $rsa_priv = get_privkey(); | |
226 | ||
bf3e6d31 | 227 | my $timestamp = sprintf("%08x", time()); |
23b35225 | 228 | |
bf3e6d31 | 229 | my $randomstr = "PVESPICE:$timestamp:$vmid:$node:" . rand(10); |
23b35225 | 230 | |
1075c589 | 231 | # this should be used as one-time password |
bf3e6d31 DM |
232 | # max length is 60 chars (spice limit) |
233 | # we pass this to qemu set_pasword and limit lifetime there | |
234 | # keep this secret | |
235 | my $ticket = Digest::SHA::sha1_hex($rsa_priv->sign($randomstr)); | |
23b35225 | 236 | |
bf3e6d31 | 237 | # Note: spice proxy connects with HTTP, so $proxyticket is exposed to public |
1075c589 | 238 | # we use a signature/timestamp to make sure nobody can fake such a ticket |
bf3e6d31 DM |
239 | # an attacker can use this $proxyticket, but he will fail because $ticket is |
240 | # private. | |
1075c589 | 241 | # The proxy needs to be able to extract/verify the ticket |
bf3e6d31 | 242 | # Note: data needs to be lower case only, because virt-viewer needs that |
1075c589 | 243 | # Note: RSA signature are too long (>=256 charaters) and make problems with remote-viewer |
3f62bdbe DM |
244 | |
245 | my $secret = &$get_csrfr_secret(); | |
cb442f35 | 246 | my $plain = "pvespiceproxy:$timestamp:$vmid:" . lc($node); |
3f62bdbe DM |
247 | |
248 | # produces 40 characters | |
249 | my $sig = unpack("H*", Digest::SHA::sha1($plain, &$get_csrfr_secret())); | |
250 | ||
251 | #my $sig = unpack("H*", $rsa_priv->sign($plain)); # this produce too long strings (512) | |
23b35225 | 252 | |
bf3e6d31 | 253 | my $proxyticket = $plain . "::" . $sig; |
83d1f13e | 254 | |
bf3e6d31 DM |
255 | return ($ticket, $proxyticket); |
256 | } | |
257 | ||
258 | sub verify_spice_connect_url { | |
259 | my ($connect_str) = @_; | |
260 | ||
261 | # Note: we pass the spice ticket as 'host', so the | |
262 | # spice viewer connects with "$ticket:$port" | |
263 | ||
264 | return undef if !$connect_str; | |
265 | ||
3f62bdbe | 266 | if ($connect_str =~m/^pvespiceproxy:([a-z0-9]{8}):(\d+):(\S+)::([a-z0-9]{40}):(\d+)$/) { |
bf3e6d31 DM |
267 | my ($timestamp, $vmid, $node, $hexsig, $port) = ($1, $2, $3, $4, $5, $6); |
268 | my $ttime = hex($timestamp); | |
269 | my $age = time() - $ttime; | |
270 | ||
271 | # use very limited lifetime - is this enough? | |
272 | return undef if !(($age > -20) && ($age < 40)); | |
273 | ||
bf3e6d31 | 274 | my $plain = "pvespiceproxy:$timestamp:$vmid:$node"; |
3f62bdbe | 275 | my $sig = unpack("H*", Digest::SHA::sha1($plain, &$get_csrfr_secret())); |
bf3e6d31 | 276 | |
3f62bdbe | 277 | if ($sig eq $hexsig) { |
bf3e6d31 | 278 | return ($vmid, $node, $port); |
66931b11 | 279 | } |
bf3e6d31 DM |
280 | } |
281 | ||
282 | return undef; | |
23b35225 AD |
283 | } |
284 | ||
cee5583b DM |
285 | sub read_x509_subject_spice { |
286 | my ($filename) = @_; | |
287 | ||
288 | # read x509 subject | |
289 | my $bio = Net::SSLeay::BIO_new_file($filename, 'r'); | |
44903703 FG |
290 | die "Could not open $filename using OpenSSL\n" |
291 | if !$bio; | |
292 | ||
cee5583b DM |
293 | my $x509 = Net::SSLeay::PEM_read_bio_X509($bio); |
294 | Net::SSLeay::BIO_free($bio); | |
44903703 FG |
295 | |
296 | die "Could not parse X509 certificate in $filename\n" | |
297 | if !$x509; | |
298 | ||
cee5583b DM |
299 | my $nameobj = Net::SSLeay::X509_get_subject_name($x509); |
300 | my $subject = Net::SSLeay::X509_NAME_oneline($nameobj); | |
301 | Net::SSLeay::X509_free($x509); | |
66931b11 | 302 | |
cee5583b DM |
303 | # remote-viewer wants comma as seperator (not '/') |
304 | $subject =~ s!^/!!; | |
305 | $subject =~ s!/(\w+=)!,$1!g; | |
306 | ||
307 | return $subject; | |
308 | } | |
309 | ||
310 | # helper to generate SPICE remote-viewer configuration | |
311 | sub remote_viewer_config { | |
312 | my ($authuser, $vmid, $node, $proxy, $title, $port) = @_; | |
313 | ||
314 | if (!$proxy) { | |
315 | my $host = `hostname -f` || PVE::INotify::nodename(); | |
316 | chomp $host; | |
317 | $proxy = $host; | |
318 | } | |
319 | ||
320 | my ($ticket, $proxyticket) = assemble_spice_ticket($authuser, $vmid, $node); | |
321 | ||
322 | my $filename = "/etc/pve/local/pve-ssl.pem"; | |
323 | my $subject = read_x509_subject_spice($filename); | |
324 | ||
325 | my $cacert = PVE::Tools::file_get_contents("/etc/pve/pve-root-ca.pem", 8192); | |
326 | $cacert =~ s/\n/\\n/g; | |
63691fc6 | 327 | |
25167526 | 328 | $proxy = "[$proxy]" if Net::IP::ip_is_ipv6($proxy); |
cee5583b | 329 | my $config = { |
63691fc6 DM |
330 | 'secure-attention' => "Ctrl+Alt+Ins", |
331 | 'toggle-fullscreen' => "Shift+F11", | |
332 | 'release-cursor' => "Ctrl+Alt+R", | |
cee5583b DM |
333 | type => 'spice', |
334 | title => $title, | |
1075c589 | 335 | host => $proxyticket, # this breaks tls hostname verification, so we need to use 'host-subject' |
cee5583b DM |
336 | proxy => "http://$proxy:3128", |
337 | 'tls-port' => $port, | |
338 | 'host-subject' => $subject, | |
339 | ca => $cacert, | |
340 | password => $ticket, | |
341 | 'delete-this-file' => 1, | |
342 | }; | |
343 | ||
344 | return ($ticket, $proxyticket, $config); | |
345 | } | |
346 | ||
37d45deb | 347 | sub check_user_exist { |
7070c1ae | 348 | my ($usercfg, $username, $noerr) = @_; |
2c3a6c0a | 349 | |
5bb4e06a | 350 | $username = PVE::Auth::Plugin::verify_username($username, $noerr); |
2c3a6c0a | 351 | return undef if !$username; |
66931b11 | 352 | |
37d45deb DM |
353 | return $usercfg->{users}->{$username} if $usercfg && $usercfg->{users}->{$username}; |
354 | ||
355 | die "no such user ('$username')\n" if !$noerr; | |
66931b11 | 356 | |
37d45deb DM |
357 | return undef; |
358 | } | |
359 | ||
360 | sub check_user_enabled { | |
361 | my ($usercfg, $username, $noerr) = @_; | |
362 | ||
363 | my $data = check_user_exist($usercfg, $username, $noerr); | |
364 | return undef if !$data; | |
365 | ||
366 | return 1 if $data->{enable}; | |
2c3a6c0a | 367 | |
37d45deb | 368 | die "user '$username' is disabled\n" if !$noerr; |
66931b11 | 369 | |
7070c1ae | 370 | return undef; |
2c3a6c0a DM |
371 | } |
372 | ||
96f8ebd6 DM |
373 | sub verify_one_time_pw { |
374 | my ($usercfg, $username, $tfa_cfg, $otp) = @_; | |
375 | ||
376 | my $type = $tfa_cfg->{type}; | |
377 | ||
1075c589 | 378 | die "missing one time password for two-factor authentication '$type'\n" if !$otp; |
96f8ebd6 DM |
379 | |
380 | # fixme: proxy support? | |
381 | my $proxy; | |
382 | ||
383 | if ($type eq 'yubico') { | |
384 | my $keys = $usercfg->{users}->{$username}->{keys}; | |
385 | yubico_verify_otp($otp, $keys, $tfa_cfg->{url}, $tfa_cfg->{id}, $tfa_cfg->{key}, $proxy); | |
1abc2c0a DM |
386 | } elsif ($type eq 'oath') { |
387 | my $keys = $usercfg->{users}->{$username}->{keys}; | |
86cd805b | 388 | oath_verify_otp($otp, $keys, $tfa_cfg->{step}, $tfa_cfg->{digits}); |
96f8ebd6 DM |
389 | } else { |
390 | die "unknown tfa type '$type'\n"; | |
391 | } | |
96f8ebd6 DM |
392 | } |
393 | ||
2c3a6c0a | 394 | # password should be utf8 encoded |
1075c589 | 395 | # Note: some plugins delay/sleep if auth fails |
2c3a6c0a | 396 | sub authenticate_user { |
96f8ebd6 | 397 | my ($username, $password, $otp) = @_; |
2c3a6c0a DM |
398 | |
399 | die "no username specified\n" if !$username; | |
66931b11 | 400 | |
5bb4e06a | 401 | my ($ruid, $realm); |
2c3a6c0a | 402 | |
5bb4e06a | 403 | ($username, $ruid, $realm) = PVE::Auth::Plugin::verify_username($username); |
2c3a6c0a DM |
404 | |
405 | my $usercfg = cfs_read_file('user.cfg'); | |
406 | ||
6126ab75 | 407 | check_user_enabled($usercfg, $username); |
2c3a6c0a DM |
408 | |
409 | my $ctime = time(); | |
410 | my $expire = $usercfg->{users}->{$username}->{expire}; | |
411 | ||
6126ab75 | 412 | die "account expired\n" if $expire && ($expire < $ctime); |
2c3a6c0a | 413 | |
5bb4e06a | 414 | my $domain_cfg = cfs_read_file('domains.cfg'); |
2c3a6c0a | 415 | |
6126ab75 DM |
416 | my $cfg = $domain_cfg->{ids}->{$realm}; |
417 | die "auth domain '$realm' does not exists\n" if !$cfg; | |
418 | my $plugin = PVE::Auth::Plugin->lookup($cfg->{type}); | |
419 | $plugin->authenticate_user($cfg, $realm, $ruid, $password); | |
2c3a6c0a | 420 | |
96f8ebd6 DM |
421 | if ($cfg->{tfa}) { |
422 | my $tfa_cfg = PVE::Auth::Plugin::parse_tfa_config($cfg->{tfa}); | |
423 | verify_one_time_pw($usercfg, $username, $tfa_cfg, $otp); | |
424 | } | |
425 | ||
5bb4e06a | 426 | return $username; |
2c3a6c0a DM |
427 | } |
428 | ||
429 | sub domain_set_password { | |
5bb4e06a | 430 | my ($realm, $username, $password) = @_; |
2c3a6c0a DM |
431 | |
432 | die "no auth domain specified" if !$realm; | |
433 | ||
5bb4e06a DM |
434 | my $domain_cfg = cfs_read_file('domains.cfg'); |
435 | ||
436 | my $cfg = $domain_cfg->{ids}->{$realm}; | |
1075c589 | 437 | die "auth domain '$realm' does not exist\n" if !$cfg; |
5bb4e06a DM |
438 | my $plugin = PVE::Auth::Plugin->lookup($cfg->{type}); |
439 | $plugin->store_password($cfg, $realm, $username, $password); | |
2c3a6c0a DM |
440 | } |
441 | ||
442 | sub add_user_group { | |
2c3a6c0a | 443 | my ($username, $usercfg, $group) = @_; |
66931b11 | 444 | |
2c3a6c0a DM |
445 | $usercfg->{users}->{$username}->{groups}->{$group} = 1; |
446 | $usercfg->{groups}->{$group}->{users}->{$username} = 1; | |
447 | } | |
448 | ||
449 | sub delete_user_group { | |
2c3a6c0a | 450 | my ($username, $usercfg) = @_; |
66931b11 | 451 | |
2c3a6c0a DM |
452 | foreach my $group (keys %{$usercfg->{groups}}) { |
453 | ||
66931b11 | 454 | delete ($usercfg->{groups}->{$group}->{users}->{$username}) |
2c3a6c0a DM |
455 | if $usercfg->{groups}->{$group}->{users}->{$username}; |
456 | } | |
457 | } | |
458 | ||
459 | sub delete_user_acl { | |
2c3a6c0a DM |
460 | my ($username, $usercfg) = @_; |
461 | ||
462 | foreach my $acl (keys %{$usercfg->{acl}}) { | |
463 | ||
66931b11 | 464 | delete ($usercfg->{acl}->{$acl}->{users}->{$username}) |
2c3a6c0a DM |
465 | if $usercfg->{acl}->{$acl}->{users}->{$username}; |
466 | } | |
2c3a6c0a | 467 | } |
39c85db8 | 468 | |
2c3a6c0a | 469 | sub delete_group_acl { |
2c3a6c0a DM |
470 | my ($group, $usercfg) = @_; |
471 | ||
472 | foreach my $acl (keys %{$usercfg->{acl}}) { | |
473 | ||
66931b11 | 474 | delete ($usercfg->{acl}->{$acl}->{groups}->{$group}) |
2c3a6c0a DM |
475 | if $usercfg->{acl}->{$acl}->{groups}->{$group}; |
476 | } | |
39c85db8 DM |
477 | } |
478 | ||
479 | sub delete_pool_acl { | |
39c85db8 | 480 | my ($pool, $usercfg) = @_; |
2c3a6c0a | 481 | |
39c85db8 DM |
482 | my $path = "/pool/$pool"; |
483 | ||
3b4a3f94 | 484 | delete ($usercfg->{acl}->{$path}) |
2c3a6c0a DM |
485 | } |
486 | ||
487 | # we automatically create some predefined roles by splitting privs | |
488 | # into 3 groups (per category) | |
489 | # root: only root is allowed to do that | |
490 | # admin: an administrator can to that | |
1075c589 | 491 | # user: a normal user/customer can to that |
2c3a6c0a DM |
492 | my $privgroups = { |
493 | VM => { | |
494 | root => [], | |
66931b11 DM |
495 | admin => [ |
496 | 'VM.Config.Disk', | |
497 | 'VM.Config.CPU', | |
498 | 'VM.Config.Memory', | |
499 | 'VM.Config.Network', | |
c0fead8c | 500 | 'VM.Config.HWType', |
66931b11 DM |
501 | 'VM.Config.Options', # covers all other things |
502 | 'VM.Allocate', | |
503 | 'VM.Clone', | |
2c3a6c0a | 504 | 'VM.Migrate', |
66931b11 DM |
505 | 'VM.Monitor', |
506 | 'VM.Snapshot', | |
2c3a6c0a DM |
507 | ], |
508 | user => [ | |
cc7bdf33 | 509 | 'VM.Config.CDROM', # change CDROM media |
66931b11 | 510 | 'VM.Console', |
68d5a86d | 511 | 'VM.Backup', |
2c3a6c0a DM |
512 | 'VM.PowerMgmt', |
513 | ], | |
66931b11 | 514 | audit => [ |
82b63965 | 515 | 'VM.Audit', |
2c3a6c0a DM |
516 | ], |
517 | }, | |
518 | Sys => { | |
519 | root => [ | |
66931b11 | 520 | 'Sys.PowerMgmt', |
37d45deb | 521 | 'Sys.Modify', # edit/change node settings |
2c3a6c0a DM |
522 | ], |
523 | admin => [ | |
2e376c58 | 524 | 'Permissions.Modify', |
66931b11 | 525 | 'Sys.Console', |
2c3a6c0a DM |
526 | 'Sys.Syslog', |
527 | ], | |
528 | user => [], | |
529 | audit => [ | |
530 | 'Sys.Audit', | |
531 | ], | |
532 | }, | |
533 | Datastore => { | |
2e376c58 | 534 | root => [], |
19f60b5e DM |
535 | admin => [ |
536 | 'Datastore.Allocate', | |
373cb383 | 537 | 'Datastore.AllocateTemplate', |
19f60b5e | 538 | ], |
2c3a6c0a DM |
539 | user => [ |
540 | 'Datastore.AllocateSpace', | |
541 | ], | |
542 | audit => [ | |
543 | 'Datastore.Audit', | |
544 | ], | |
545 | }, | |
12683df7 | 546 | User => { |
82b63965 DM |
547 | root => [ |
548 | 'Realm.Allocate', | |
549 | ], | |
12683df7 DM |
550 | admin => [ |
551 | 'User.Modify', | |
82b63965 | 552 | 'Group.Allocate', # edit/change group settings |
66931b11 | 553 | 'Realm.AllocateUser', |
19f60b5e | 554 | ], |
12683df7 DM |
555 | user => [], |
556 | audit => [], | |
557 | }, | |
dee1c882 DM |
558 | Pool => { |
559 | root => [], | |
560 | admin => [ | |
561 | 'Pool.Allocate', # create/delete pools | |
562 | ], | |
563 | user => [], | |
564 | audit => [], | |
565 | }, | |
2c3a6c0a DM |
566 | }; |
567 | ||
568 | my $valid_privs = {}; | |
569 | ||
570 | my $special_roles = { | |
1075c589 FG |
571 | 'NoAccess' => {}, # no privileges |
572 | 'Administrator' => $valid_privs, # all privileges | |
2c3a6c0a DM |
573 | }; |
574 | ||
575 | sub create_roles { | |
576 | ||
577 | foreach my $cat (keys %$privgroups) { | |
578 | my $cd = $privgroups->{$cat}; | |
66931b11 | 579 | foreach my $p (@{$cd->{root}}, @{$cd->{admin}}, |
2c3a6c0a DM |
580 | @{$cd->{user}}, @{$cd->{audit}}) { |
581 | $valid_privs->{$p} = 1; | |
582 | } | |
583 | foreach my $p (@{$cd->{admin}}, @{$cd->{user}}, @{$cd->{audit}}) { | |
584 | ||
585 | $special_roles->{"PVE${cat}Admin"}->{$p} = 1; | |
586 | $special_roles->{"PVEAdmin"}->{$p} = 1; | |
587 | } | |
588 | if (scalar(@{$cd->{user}})) { | |
589 | foreach my $p (@{$cd->{user}}, @{$cd->{audit}}) { | |
590 | $special_roles->{"PVE${cat}User"}->{$p} = 1; | |
591 | } | |
592 | } | |
593 | foreach my $p (@{$cd->{audit}}) { | |
594 | $special_roles->{"PVEAuditor"}->{$p} = 1; | |
595 | } | |
596 | } | |
ff4b2235 | 597 | |
7b395f99 | 598 | $special_roles->{"PVETemplateUser"} = { 'VM.Clone' => 1, 'VM.Audit' => 1 }; |
2c3a6c0a DM |
599 | }; |
600 | ||
601 | create_roles(); | |
602 | ||
2c3a6c0a DM |
603 | sub add_role_privs { |
604 | my ($role, $usercfg, $privs) = @_; | |
605 | ||
606 | return if !$privs; | |
607 | ||
608 | die "role '$role' does not exist\n" if !$usercfg->{roles}->{$role}; | |
609 | ||
610 | foreach my $priv (split_list($privs)) { | |
611 | if (defined ($valid_privs->{$priv})) { | |
612 | $usercfg->{roles}->{$role}->{$priv} = 1; | |
613 | } else { | |
1075c589 | 614 | die "invalid privilege '$priv'\n"; |
66931b11 DM |
615 | } |
616 | } | |
2c3a6c0a DM |
617 | } |
618 | ||
619 | sub normalize_path { | |
620 | my $path = shift; | |
621 | ||
4bc17477 | 622 | $path =~ s|/+|/|g; |
2c3a6c0a DM |
623 | |
624 | $path =~ s|/$||; | |
625 | ||
626 | $path = '/' if !$path; | |
627 | ||
4bc17477 DM |
628 | $path = "/$path" if $path !~ m|^/|; |
629 | ||
e4f8fc2e | 630 | return undef if $path !~ m|^[[:alnum:]\.\-\_\/]+$|; |
2c3a6c0a DM |
631 | |
632 | return $path; | |
66931b11 | 633 | } |
2c3a6c0a | 634 | |
2c3a6c0a DM |
635 | |
636 | PVE::JSONSchema::register_format('pve-groupid', \&verify_groupname); | |
637 | sub verify_groupname { | |
638 | my ($groupname, $noerr) = @_; | |
639 | ||
640 | if ($groupname !~ m/^[A-Za-z0-9\.\-_]+$/) { | |
641 | ||
642 | die "group name '$groupname' contains invalid characters\n" if !$noerr; | |
643 | ||
644 | return undef; | |
645 | } | |
66931b11 | 646 | |
2c3a6c0a DM |
647 | return $groupname; |
648 | } | |
649 | ||
650 | PVE::JSONSchema::register_format('pve-roleid', \&verify_rolename); | |
651 | sub verify_rolename { | |
652 | my ($rolename, $noerr) = @_; | |
653 | ||
654 | if ($rolename !~ m/^[A-Za-z0-9\.\-_]+$/) { | |
655 | ||
656 | die "role name '$rolename' contains invalid characters\n" if !$noerr; | |
657 | ||
658 | return undef; | |
659 | } | |
66931b11 | 660 | |
2c3a6c0a DM |
661 | return $rolename; |
662 | } | |
663 | ||
39c85db8 DM |
664 | PVE::JSONSchema::register_format('pve-poolid', \&verify_groupname); |
665 | sub verify_poolname { | |
666 | my ($poolname, $noerr) = @_; | |
667 | ||
668 | if ($poolname !~ m/^[A-Za-z0-9\.\-_]+$/) { | |
669 | ||
670 | die "pool name '$poolname' contains invalid characters\n" if !$noerr; | |
671 | ||
672 | return undef; | |
673 | } | |
66931b11 | 674 | |
39c85db8 DM |
675 | return $poolname; |
676 | } | |
677 | ||
2c3a6c0a DM |
678 | PVE::JSONSchema::register_format('pve-priv', \&verify_privname); |
679 | sub verify_privname { | |
680 | my ($priv, $noerr) = @_; | |
681 | ||
682 | if (!$valid_privs->{$priv}) { | |
1075c589 | 683 | die "invalid privilege '$priv'\n" if !$noerr; |
2c3a6c0a DM |
684 | |
685 | return undef; | |
686 | } | |
66931b11 | 687 | |
2c3a6c0a DM |
688 | return $priv; |
689 | } | |
690 | ||
691 | sub userconfig_force_defaults { | |
692 | my ($cfg) = @_; | |
693 | ||
694 | foreach my $r (keys %$special_roles) { | |
695 | $cfg->{roles}->{$r} = $special_roles->{$r}; | |
696 | } | |
697 | ||
7279f31c WL |
698 | # add root user if not exists |
699 | if (!$cfg->{users}->{'root@pam'}) { | |
66931b11 | 700 | $cfg->{users}->{'root@pam'}->{enable} = 1; |
7279f31c | 701 | } |
2c3a6c0a DM |
702 | } |
703 | ||
704 | sub parse_user_config { | |
705 | my ($filename, $raw) = @_; | |
706 | ||
707 | my $cfg = {}; | |
708 | ||
709 | userconfig_force_defaults($cfg); | |
710 | ||
d6eb6621 | 711 | $raw = '' if !defined($raw); |
62af314a | 712 | while ($raw =~ /^\s*(.+?)\s*$/gm) { |
2c3a6c0a | 713 | my $line = $1; |
2c3a6c0a DM |
714 | my @data; |
715 | ||
716 | foreach my $d (split (/:/, $line)) { | |
66931b11 | 717 | $d =~ s/^\s+//; |
2c3a6c0a DM |
718 | $d =~ s/\s+$//; |
719 | push @data, $d | |
720 | } | |
721 | ||
722 | my $et = shift @data; | |
723 | ||
724 | if ($et eq 'user') { | |
96f8ebd6 | 725 | my ($user, $enable, $expire, $firstname, $lastname, $email, $comment, $keys) = @data; |
2c3a6c0a | 726 | |
5bb4e06a | 727 | my (undef, undef, $realm) = PVE::Auth::Plugin::verify_username($user, 1); |
2c3a6c0a DM |
728 | if (!$realm) { |
729 | warn "user config - ignore user '$user' - invalid user name\n"; | |
730 | next; | |
731 | } | |
732 | ||
733 | $enable = $enable ? 1 : 0; | |
734 | ||
735 | $expire = 0 if !$expire; | |
736 | ||
737 | if ($expire !~ m/^\d+$/) { | |
738 | warn "user config - ignore user '$user' - (illegal characters in expire '$expire')\n"; | |
739 | next; | |
740 | } | |
741 | $expire = int($expire); | |
742 | ||
743 | #if (!verify_groupname ($group, 1)) { | |
744 | # warn "user config - ignore user '$user' - invalid characters in group name\n"; | |
745 | # next; | |
746 | #} | |
747 | ||
748 | $cfg->{users}->{$user} = { | |
749 | enable => $enable, | |
750 | # group => $group, | |
751 | }; | |
752 | $cfg->{users}->{$user}->{firstname} = PVE::Tools::decode_text($firstname) if $firstname; | |
753 | $cfg->{users}->{$user}->{lastname} = PVE::Tools::decode_text($lastname) if $lastname; | |
754 | $cfg->{users}->{$user}->{email} = $email; | |
755 | $cfg->{users}->{$user}->{comment} = PVE::Tools::decode_text($comment) if $comment; | |
756 | $cfg->{users}->{$user}->{expire} = $expire; | |
1abc2c0a | 757 | # keys: allowed yubico key ids or oath secrets (base32 encoded) |
66931b11 | 758 | $cfg->{users}->{$user}->{keys} = $keys if $keys; |
2c3a6c0a DM |
759 | |
760 | #$cfg->{users}->{$user}->{groups}->{$group} = 1; | |
761 | #$cfg->{groups}->{$group}->{$user} = 1; | |
762 | ||
763 | } elsif ($et eq 'group') { | |
764 | my ($group, $userlist, $comment) = @data; | |
765 | ||
766 | if (!verify_groupname($group, 1)) { | |
767 | warn "user config - ignore group '$group' - invalid characters in group name\n"; | |
768 | next; | |
769 | } | |
770 | ||
771 | # make sure to add the group (even if there are no members) | |
772 | $cfg->{groups}->{$group} = { users => {} } if !$cfg->{groups}->{$group}; | |
773 | ||
774 | $cfg->{groups}->{$group}->{comment} = PVE::Tools::decode_text($comment) if $comment; | |
775 | ||
776 | foreach my $user (split_list($userlist)) { | |
777 | ||
5bb4e06a | 778 | if (!PVE::Auth::Plugin::verify_username($user, 1)) { |
2c3a6c0a DM |
779 | warn "user config - ignore invalid group member '$user'\n"; |
780 | next; | |
781 | } | |
782 | ||
66931b11 | 783 | if ($cfg->{users}->{$user}) { # user exists |
2c3a6c0a DM |
784 | $cfg->{users}->{$user}->{groups}->{$group} = 1; |
785 | $cfg->{groups}->{$group}->{users}->{$user} = 1; | |
786 | } else { | |
787 | warn "user config - ignore invalid group member '$user'\n"; | |
788 | } | |
789 | } | |
790 | ||
791 | } elsif ($et eq 'role') { | |
792 | my ($role, $privlist) = @data; | |
66931b11 | 793 | |
2c3a6c0a DM |
794 | if (!verify_rolename($role, 1)) { |
795 | warn "user config - ignore role '$role' - invalid characters in role name\n"; | |
796 | next; | |
797 | } | |
798 | ||
799 | # make sure to add the role (even if there are no privileges) | |
800 | $cfg->{roles}->{$role} = {} if !$cfg->{roles}->{$role}; | |
801 | ||
802 | foreach my $priv (split_list($privlist)) { | |
803 | if (defined ($valid_privs->{$priv})) { | |
804 | $cfg->{roles}->{$role}->{$priv} = 1; | |
805 | } else { | |
806 | warn "user config - ignore invalid priviledge '$priv'\n"; | |
66931b11 | 807 | } |
2c3a6c0a | 808 | } |
66931b11 | 809 | |
2c3a6c0a DM |
810 | } elsif ($et eq 'acl') { |
811 | my ($propagate, $pathtxt, $uglist, $rolelist) = @data; | |
812 | ||
813 | if (my $path = normalize_path($pathtxt)) { | |
814 | foreach my $role (split_list($rolelist)) { | |
66931b11 | 815 | |
2c3a6c0a DM |
816 | if (!verify_rolename($role, 1)) { |
817 | warn "user config - ignore invalid role name '$role' in acl\n"; | |
818 | next; | |
819 | } | |
820 | ||
821 | foreach my $ug (split_list($uglist)) { | |
9b217226 | 822 | if ($ug =~ m/^@(\S+)$/) { |
2c3a6c0a | 823 | my $group = $1; |
66931b11 | 824 | if ($cfg->{groups}->{$group}) { # group exists |
2c3a6c0a DM |
825 | $cfg->{acl}->{$path}->{groups}->{$group}->{$role} = $propagate; |
826 | } else { | |
827 | warn "user config - ignore invalid acl group '$group'\n"; | |
828 | } | |
5bb4e06a | 829 | } elsif (PVE::Auth::Plugin::verify_username($ug, 1)) { |
66931b11 | 830 | if ($cfg->{users}->{$ug}) { # user exists |
2c3a6c0a DM |
831 | $cfg->{acl}->{$path}->{users}->{$ug}->{$role} = $propagate; |
832 | } else { | |
833 | warn "user config - ignore invalid acl member '$ug'\n"; | |
834 | } | |
835 | } else { | |
836 | warn "user config - invalid user/group '$ug' in acl\n"; | |
837 | } | |
838 | } | |
839 | } | |
840 | } else { | |
841 | warn "user config - ignore invalid path in acl '$pathtxt'\n"; | |
842 | } | |
4bc17477 | 843 | } elsif ($et eq 'pool') { |
39c85db8 | 844 | my ($pool, $comment, $vmlist, $storelist) = @data; |
4bc17477 | 845 | |
39c85db8 DM |
846 | if (!verify_poolname($pool, 1)) { |
847 | warn "user config - ignore pool '$pool' - invalid characters in pool name\n"; | |
848 | next; | |
849 | } | |
4bc17477 | 850 | |
39c85db8 DM |
851 | # make sure to add the pool (even if there are no members) |
852 | $cfg->{pools}->{$pool} = { vms => {}, storage => {} } if !$cfg->{pools}->{$pool}; | |
4bc17477 | 853 | |
39c85db8 | 854 | $cfg->{pools}->{$pool}->{comment} = PVE::Tools::decode_text($comment) if $comment; |
4bc17477 | 855 | |
39c85db8 DM |
856 | foreach my $vmid (split_list($vmlist)) { |
857 | if ($vmid !~ m/^\d+$/) { | |
858 | warn "user config - ignore invalid vmid '$vmid' in pool '$pool'\n"; | |
859 | next; | |
4bc17477 | 860 | } |
39c85db8 | 861 | $vmid = int($vmid); |
4bc17477 | 862 | |
39c85db8 DM |
863 | if ($cfg->{vms}->{$vmid}) { |
864 | warn "user config - ignore duplicate vmid '$vmid' in pool '$pool'\n"; | |
865 | next; | |
4bc17477 DM |
866 | } |
867 | ||
39c85db8 | 868 | $cfg->{pools}->{$pool}->{vms}->{$vmid} = 1; |
66931b11 | 869 | |
39c85db8 DM |
870 | # record vmid ==> pool relation |
871 | $cfg->{vms}->{$vmid} = $pool; | |
872 | } | |
873 | ||
874 | foreach my $storeid (split_list($storelist)) { | |
875 | if ($storeid !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) { | |
876 | warn "user config - ignore invalid storage '$storeid' in pool '$pool'\n"; | |
877 | next; | |
878 | } | |
879 | $cfg->{pools}->{$pool}->{storage}->{$storeid} = 1; | |
4bc17477 | 880 | } |
2c3a6c0a DM |
881 | } else { |
882 | warn "user config - ignore config line: $line\n"; | |
883 | } | |
884 | } | |
885 | ||
886 | userconfig_force_defaults($cfg); | |
887 | ||
888 | return $cfg; | |
889 | } | |
890 | ||
2c3a6c0a DM |
891 | sub write_user_config { |
892 | my ($filename, $cfg) = @_; | |
893 | ||
894 | my $data = ''; | |
895 | ||
896 | foreach my $user (keys %{$cfg->{users}}) { | |
2c3a6c0a DM |
897 | my $d = $cfg->{users}->{$user}; |
898 | my $firstname = $d->{firstname} ? PVE::Tools::encode_text($d->{firstname}) : ''; | |
899 | my $lastname = $d->{lastname} ? PVE::Tools::encode_text($d->{lastname}) : ''; | |
900 | my $email = $d->{email} || ''; | |
901 | my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; | |
5eabc984 | 902 | my $expire = int($d->{expire} || 0); |
2c3a6c0a | 903 | my $enable = $d->{enable} ? 1 : 0; |
96f8ebd6 DM |
904 | my $keys = $d->{keys} ? $d->{keys} : ''; |
905 | $data .= "user:$user:$enable:$expire:$firstname:$lastname:$email:$comment:$keys:\n"; | |
2c3a6c0a DM |
906 | } |
907 | ||
908 | $data .= "\n"; | |
909 | ||
910 | foreach my $group (keys %{$cfg->{groups}}) { | |
911 | my $d = $cfg->{groups}->{$group}; | |
912 | my $list = join (',', keys %{$d->{users}}); | |
66931b11 | 913 | my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; |
2c3a6c0a DM |
914 | $data .= "group:$group:$list:$comment:\n"; |
915 | } | |
916 | ||
917 | $data .= "\n"; | |
918 | ||
39c85db8 DM |
919 | foreach my $pool (keys %{$cfg->{pools}}) { |
920 | my $d = $cfg->{pools}->{$pool}; | |
4bc17477 DM |
921 | my $vmlist = join (',', keys %{$d->{vms}}); |
922 | my $storelist = join (',', keys %{$d->{storage}}); | |
66931b11 | 923 | my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; |
39c85db8 | 924 | $data .= "pool:$pool:$comment:$vmlist:$storelist:\n"; |
4bc17477 DM |
925 | } |
926 | ||
927 | $data .= "\n"; | |
928 | ||
2c3a6c0a DM |
929 | foreach my $role (keys %{$cfg->{roles}}) { |
930 | next if $special_roles->{$role}; | |
931 | ||
932 | my $d = $cfg->{roles}->{$role}; | |
933 | my $list = join (',', keys %$d); | |
934 | $data .= "role:$role:$list:\n"; | |
935 | } | |
936 | ||
937 | $data .= "\n"; | |
938 | ||
939 | foreach my $path (sort keys %{$cfg->{acl}}) { | |
940 | my $d = $cfg->{acl}->{$path}; | |
941 | ||
942 | my $ra = {}; | |
943 | ||
944 | foreach my $group (keys %{$d->{groups}}) { | |
945 | my $l0 = ''; | |
946 | my $l1 = ''; | |
947 | foreach my $role (sort keys %{$d->{groups}->{$group}}) { | |
948 | my $propagate = $d->{groups}->{$group}->{$role}; | |
949 | if ($propagate) { | |
950 | $l1 .= ',' if $l1; | |
951 | $l1 .= $role; | |
952 | } else { | |
953 | $l0 .= ',' if $l0; | |
954 | $l0 .= $role; | |
955 | } | |
956 | } | |
957 | $ra->{0}->{$l0}->{"\@$group"} = 1 if $l0; | |
958 | $ra->{1}->{$l1}->{"\@$group"} = 1 if $l1; | |
959 | } | |
960 | ||
961 | foreach my $user (keys %{$d->{users}}) { | |
1075c589 | 962 | # no need to save, because root is always 'Administrator' |
66931b11 | 963 | next if $user eq 'root@pam'; |
2c3a6c0a DM |
964 | |
965 | my $l0 = ''; | |
966 | my $l1 = ''; | |
967 | foreach my $role (sort keys %{$d->{users}->{$user}}) { | |
968 | my $propagate = $d->{users}->{$user}->{$role}; | |
969 | if ($propagate) { | |
970 | $l1 .= ',' if $l1; | |
971 | $l1 .= $role; | |
972 | } else { | |
973 | $l0 .= ',' if $l0; | |
974 | $l0 .= $role; | |
975 | } | |
976 | } | |
977 | $ra->{0}->{$l0}->{$user} = 1 if $l0; | |
978 | $ra->{1}->{$l1}->{$user} = 1 if $l1; | |
979 | } | |
980 | ||
981 | foreach my $rolelist (sort keys %{$ra->{0}}) { | |
982 | my $uglist = join (',', keys %{$ra->{0}->{$rolelist}}); | |
983 | $data .= "acl:0:$path:$uglist:$rolelist:\n"; | |
984 | } | |
985 | foreach my $rolelist (sort keys %{$ra->{1}}) { | |
986 | my $uglist = join (',', keys %{$ra->{1}->{$rolelist}}); | |
987 | $data .= "acl:1:$path:$uglist:$rolelist:\n"; | |
988 | } | |
989 | } | |
990 | ||
991 | return $data; | |
992 | } | |
993 | ||
994 | sub roles { | |
995 | my ($cfg, $user, $path) = @_; | |
996 | ||
66931b11 | 997 | # NOTE: we do not consider pools here. |
4bc17477 DM |
998 | # You need to use $rpcenv->roles() instead if you want that. |
999 | ||
2c3a6c0a DM |
1000 | return 'Administrator' if $user eq 'root@pam'; # root can do anything |
1001 | ||
1002 | my $perm = {}; | |
1003 | ||
1004 | foreach my $p (sort keys %{$cfg->{acl}}) { | |
1005 | my $final = ($path eq $p); | |
1006 | ||
1007 | next if !(($p eq '/') || $final || ($path =~ m|^$p/|)); | |
1008 | ||
1009 | my $acl = $cfg->{acl}->{$p}; | |
1010 | ||
1011 | #print "CHECKACL $path $p\n"; | |
1012 | #print "ACL $path = " . Dumper ($acl); | |
1013 | ||
1014 | if (my $ri = $acl->{users}->{$user}) { | |
1015 | my $new; | |
1016 | foreach my $role (keys %$ri) { | |
1017 | my $propagate = $ri->{$role}; | |
1018 | if ($final || $propagate) { | |
1019 | #print "APPLY ROLE $p $user $role\n"; | |
1020 | $new = {} if !$new; | |
1021 | $new->{$role} = 1; | |
1022 | } | |
1023 | } | |
1024 | if ($new) { | |
1025 | $perm = $new; # overwrite previous settings | |
1026 | next; # user privs always override group privs | |
1027 | } | |
1028 | } | |
1029 | ||
1030 | my $new; | |
1031 | foreach my $g (keys %{$acl->{groups}}) { | |
1032 | next if !$cfg->{groups}->{$g}->{users}->{$user}; | |
1033 | if (my $ri = $acl->{groups}->{$g}) { | |
1034 | foreach my $role (keys %$ri) { | |
1035 | my $propagate = $ri->{$role}; | |
1036 | if ($final || $propagate) { | |
1037 | #print "APPLY ROLE $p \@$g $role\n"; | |
1038 | $new = {} if !$new; | |
1039 | $new->{$role} = 1; | |
1040 | } | |
1041 | } | |
1042 | } | |
1043 | } | |
1044 | if ($new) { | |
1045 | $perm = $new; # overwrite previous settings | |
1046 | next; | |
1047 | } | |
2c3a6c0a DM |
1048 | } |
1049 | ||
4bc17477 DM |
1050 | return ('NoAccess') if defined ($perm->{NoAccess}); |
1051 | #return () if defined ($perm->{NoAccess}); | |
66931b11 | 1052 | |
2c3a6c0a DM |
1053 | #print "permission $user $path = " . Dumper ($perm); |
1054 | ||
4bc17477 | 1055 | my @ra = keys %$perm; |
2c3a6c0a DM |
1056 | |
1057 | #print "roles $user $path = " . join (',', @ra) . "\n"; | |
1058 | ||
1059 | return @ra; | |
1060 | } | |
66931b11 | 1061 | |
2c3a6c0a DM |
1062 | sub permission { |
1063 | my ($cfg, $user, $path) = @_; | |
1064 | ||
5bb4e06a | 1065 | $user = PVE::Auth::Plugin::verify_username($user, 1); |
2c3a6c0a DM |
1066 | return {} if !$user; |
1067 | ||
1068 | my @ra = roles($cfg, $user, $path); | |
66931b11 | 1069 | |
2c3a6c0a DM |
1070 | my $privs = {}; |
1071 | ||
1072 | foreach my $role (@ra) { | |
1073 | if (my $privset = $cfg->{roles}->{$role}) { | |
1074 | foreach my $p (keys %$privset) { | |
1075 | $privs->{$p} = 1; | |
1076 | } | |
1077 | } | |
1078 | } | |
1079 | ||
1080 | #print "priviledges $user $path = " . Dumper ($privs); | |
1081 | ||
1082 | return $privs; | |
1083 | } | |
1084 | ||
1085 | sub check_permissions { | |
1086 | my ($username, $path, $privlist) = @_; | |
1087 | ||
1088 | $path = normalize_path($path); | |
1089 | my $usercfg = cfs_read_file('user.cfg'); | |
1090 | my $perm = permission($usercfg, $username, $path); | |
1091 | ||
1092 | foreach my $priv (split_list($privlist)) { | |
1093 | return undef if !$perm->{$priv}; | |
1094 | }; | |
1095 | ||
1096 | return 1; | |
1097 | } | |
1098 | ||
3b4a3f94 AG |
1099 | sub remove_vm_access { |
1100 | my ($vmid) = @_; | |
1101 | my $delVMaccessFn = sub { | |
1102 | my $usercfg = cfs_read_file("user.cfg"); | |
57a70473 | 1103 | my $modified; |
3b4a3f94 | 1104 | |
57a70473 DM |
1105 | if (my $acl = $usercfg->{acl}->{"/vms/$vmid"}) { |
1106 | delete $usercfg->{acl}->{"/vms/$vmid"}; | |
1107 | $modified = 1; | |
3b4a3f94 AG |
1108 | } |
1109 | if (my $pool = $usercfg->{vms}->{$vmid}) { | |
1110 | if (my $data = $usercfg->{pools}->{$pool}) { | |
1111 | delete $data->{vms}->{$vmid}; | |
1112 | delete $usercfg->{vms}->{$vmid}; | |
57a70473 | 1113 | $modified = 1; |
3b4a3f94 AG |
1114 | } |
1115 | } | |
57a70473 | 1116 | cfs_write_file("user.cfg", $usercfg) if $modified; |
3b4a3f94 AG |
1117 | }; |
1118 | ||
1119 | lock_user_config($delVMaccessFn, "access permissions cleanup for VM $vmid failed"); | |
1120 | } | |
1121 | ||
60844761 AG |
1122 | sub remove_storage_access { |
1123 | my ($storeid) = @_; | |
1124 | ||
1125 | my $deleteStorageAccessFn = sub { | |
1126 | my $usercfg = cfs_read_file("user.cfg"); | |
1127 | my $modified; | |
1128 | ||
1129 | if (my $storage = $usercfg->{acl}->{"/storage/$storeid"}) { | |
1130 | delete $usercfg->{acl}->{"/storage/$storeid"}; | |
1131 | $modified = 1; | |
1132 | } | |
1133 | foreach my $pool (keys %{$usercfg->{pools}}) { | |
1134 | delete $usercfg->{pools}->{$pool}->{storage}->{$storeid}; | |
1135 | $modified = 1; | |
1136 | } | |
1137 | cfs_write_file("user.cfg", $usercfg) if $modified; | |
1138 | }; | |
1139 | ||
1140 | lock_user_config($deleteStorageAccessFn, | |
1141 | "access permissions cleanup for storage $storeid failed"); | |
1142 | } | |
1143 | ||
018ae3a9 DM |
1144 | sub add_vm_to_pool { |
1145 | my ($vmid, $pool) = @_; | |
1146 | ||
1147 | my $addVMtoPoolFn = sub { | |
1148 | my $usercfg = cfs_read_file("user.cfg"); | |
1149 | if (my $data = $usercfg->{pools}->{$pool}) { | |
1150 | $data->{vms}->{$vmid} = 1; | |
1151 | $usercfg->{vms}->{$vmid} = $pool; | |
1152 | cfs_write_file("user.cfg", $usercfg); | |
1153 | } | |
1154 | }; | |
1155 | ||
1156 | lock_user_config($addVMtoPoolFn, "can't add VM $vmid to pool '$pool'"); | |
1157 | } | |
1158 | ||
1159 | sub remove_vm_from_pool { | |
1160 | my ($vmid) = @_; | |
66931b11 | 1161 | |
018ae3a9 DM |
1162 | my $delVMfromPoolFn = sub { |
1163 | my $usercfg = cfs_read_file("user.cfg"); | |
1164 | if (my $pool = $usercfg->{vms}->{$vmid}) { | |
1165 | if (my $data = $usercfg->{pools}->{$pool}) { | |
1166 | delete $data->{vms}->{$vmid}; | |
1167 | delete $usercfg->{vms}->{$vmid}; | |
1168 | cfs_write_file("user.cfg", $usercfg); | |
1169 | } | |
1170 | } | |
1171 | }; | |
1172 | ||
1173 | lock_user_config($delVMfromPoolFn, "pool cleanup for VM $vmid failed"); | |
1174 | } | |
1175 | ||
ab652a80 DM |
1176 | # experimental code for yubico OTP verification |
1177 | ||
1178 | sub yubico_compute_param_sig { | |
1179 | my ($param, $api_key) = @_; | |
1180 | ||
1181 | my $paramstr = ''; | |
1182 | foreach my $key (sort keys %$param) { | |
1183 | $paramstr .= '&' if $paramstr; | |
1184 | $paramstr .= "$key=$param->{$key}"; | |
1185 | } | |
1186 | ||
1187 | my $sig = uri_escape(encode_base64(Digest::HMAC_SHA1::hmac_sha1($paramstr, decode_base64($api_key || '')), '')); | |
1188 | ||
1189 | return ($paramstr, $sig); | |
1190 | } | |
1191 | ||
1192 | sub yubico_verify_otp { | |
96f8ebd6 DM |
1193 | my ($otp, $keys, $url, $api_id, $api_key, $proxy) = @_; |
1194 | ||
1195 | die "yubico: missing password\n" if !defined($otp); | |
1196 | die "yubico: missing API ID\n" if !defined($api_id); | |
1197 | die "yubico: missing API KEY\n" if !defined($api_key); | |
66931b11 | 1198 | die "yubico: no associated yubico keys\n" if $keys =~ m/^\s+$/; |
ab652a80 | 1199 | |
1075c589 | 1200 | die "yubico: wrong OTP length\n" if (length($otp) < 32) || (length($otp) > 48); |
ab652a80 | 1201 | |
96f8ebd6 | 1202 | $url = 'http://api2.yubico.com/wsapi/2.0/verify' if !defined($url); |
66931b11 | 1203 | |
ab652a80 DM |
1204 | my $params = { |
1205 | nonce => Digest::HMAC_SHA1::hmac_sha1_hex(time(), rand()), | |
1206 | id => $api_id, | |
1207 | otp => uri_escape($otp), | |
1208 | timestamp => 1, | |
1209 | }; | |
1210 | ||
1211 | my ($paramstr, $sig) = yubico_compute_param_sig($params, $api_key); | |
1212 | ||
1213 | $paramstr .= "&h=$sig" if $api_key; | |
1214 | ||
1215 | my $req = HTTP::Request->new('GET' => "$url?$paramstr"); | |
1216 | ||
ba6c2e66 | 1217 | my $ua = LWP::UserAgent->new(protocols_allowed => ['http', 'https'], timeout => 30); |
ab652a80 DM |
1218 | |
1219 | if ($proxy) { | |
ba6c2e66 | 1220 | $ua->proxy(['http', 'https'], $proxy); |
ab652a80 DM |
1221 | } else { |
1222 | $ua->env_proxy; | |
1223 | } | |
1224 | ||
1225 | my $response = $ua->request($req); | |
1226 | my $code = $response->code; | |
1227 | ||
1228 | if ($code != 200) { | |
1229 | my $msg = $response->message || 'unknown'; | |
1230 | die "Invalid response from server: $code $msg\n"; | |
1231 | } | |
1232 | ||
1233 | my $raw = $response->decoded_content; | |
1234 | ||
1235 | my $result = {}; | |
1236 | foreach my $kvpair (split(/\n/, $raw)) { | |
1237 | chomp $kvpair; | |
1238 | if($kvpair =~ /^\S+=/) { | |
1239 | my ($k, $v) = split(/=/, $kvpair, 2); | |
1240 | $v =~ s/\s//g; | |
1241 | $result->{$k} = $v; | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | my $rsig = $result->{h}; | |
1246 | delete $result->{h}; | |
1247 | ||
1248 | if ($api_key) { | |
1249 | my ($datastr, $vsig) = yubico_compute_param_sig($result, $api_key); | |
1250 | $vsig = uri_unescape($vsig); | |
96f8ebd6 | 1251 | die "yubico: result signature verification failed\n" if $rsig ne $vsig; |
ab652a80 DM |
1252 | } |
1253 | ||
96f8ebd6 DM |
1254 | die "yubico auth failed: $result->{status}\n" if $result->{status} ne 'OK'; |
1255 | ||
1256 | my $publicid = $result->{publicid} = substr(lc($result->{otp}), 0, 12); | |
1257 | ||
1258 | my $found; | |
1259 | foreach my $k (PVE::Tools::split_list($keys)) { | |
1260 | if ($k eq $publicid) { | |
1261 | $found = 1; | |
1262 | last; | |
1263 | } | |
1264 | } | |
ab652a80 | 1265 | |
96f8ebd6 | 1266 | die "yubico auth failed: key does not belong to user\n" if !$found; |
ab652a80 DM |
1267 | |
1268 | return $result; | |
1269 | } | |
1270 | ||
1abc2c0a | 1271 | sub oath_verify_otp { |
86cd805b | 1272 | my ($otp, $keys, $step, $digits) = @_; |
1abc2c0a DM |
1273 | |
1274 | die "oath: missing password\n" if !defined($otp); | |
66931b11 | 1275 | die "oath: no associated oath keys\n" if $keys =~ m/^\s+$/; |
1abc2c0a | 1276 | |
86cd805b DM |
1277 | $step = 30 if !$step; |
1278 | $digits = 6 if !$digits; | |
1abc2c0a DM |
1279 | |
1280 | my $found; | |
1281 | ||
1282 | my $parser = sub { | |
1283 | my $line = shift; | |
1284 | ||
1285 | if ($line =~ m/^\d{6}$/) { | |
1abc2c0a DM |
1286 | $found = 1 if $otp eq $line; |
1287 | } | |
1288 | }; | |
1289 | ||
1290 | foreach my $k (PVE::Tools::split_list($keys)) { | |
1291 | # Note: we generate 3 values to allow small time drift | |
1292 | my $now = localtime(time() - $step); | |
86cd805b | 1293 | my $cmd = ['oathtool', '--totp', '--digits', $digits, '-N', $now, '-s', $step, '-w', '2', '-b', $k]; |
1abc2c0a DM |
1294 | eval { run_command($cmd, outfunc => $parser, errfunc => sub {}); }; |
1295 | last if $found; | |
1296 | } | |
1297 | ||
1298 | die "oath auth failed\n" if !$found; | |
1299 | } | |
1300 | ||
3e5bfdf6 DM |
1301 | # bash completion helpers |
1302 | ||
1303 | sub complete_username { | |
1304 | ||
1305 | my $user_cfg = cfs_read_file('user.cfg'); | |
1306 | ||
1307 | return [ keys %{$user_cfg->{users}} ]; | |
1308 | } | |
1309 | ||
1310 | sub complete_group { | |
1311 | ||
1312 | my $user_cfg = cfs_read_file('user.cfg'); | |
1313 | ||
1314 | return [ keys %{$user_cfg->{groups}} ]; | |
1315 | } | |
1316 | ||
1317 | sub complete_realm { | |
1318 | ||
1319 | my $domain_cfg = cfs_read_file('domains.cfg'); | |
1320 | ||
1321 | return [ keys %{$domain_cfg->{ids}} ]; | |
1322 | } | |
1323 | ||
2c3a6c0a | 1324 | 1; |