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Commit | Line | Data |
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2c3a6c0a DM |
1 | package PVE::RPCEnvironment; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
c104e4ab | 5 | |
5e868938 TL |
6 | use PVE::AccessControl; |
7 | use PVE::Cluster; | |
060941d4 | 8 | use PVE::Exception qw(raise raise_param_exc raise_perm_exc); |
2c3a6c0a | 9 | use PVE::INotify; |
2c3a6c0a | 10 | use PVE::ProcFSTools; |
5e868938 TL |
11 | use PVE::RESTEnvironment; |
12 | use PVE::SafeSyslog; | |
13 | use PVE::Tools; | |
2c3a6c0a | 14 | |
c104e4ab | 15 | use base qw(PVE::RESTEnvironment); |
2c3a6c0a | 16 | |
2c3a6c0a DM |
17 | # ACL cache |
18 | ||
4bc17477 DM |
19 | my $compile_acl_path = sub { |
20 | my ($self, $user, $path) = @_; | |
2c3a6c0a | 21 | |
2c3a6c0a DM |
22 | my $cfg = $self->{user_cfg}; |
23 | ||
24 | return undef if !$cfg->{roles}; | |
25 | ||
b8c4218b | 26 | # permissions() has an early return for this case |
4bc17477 | 27 | die "internal error" if $user eq 'root@pam'; |
2c3a6c0a | 28 | |
4bc17477 DM |
29 | my $cache = $self->{aclcache}; |
30 | $cache->{$user} = {} if !$cache->{$user}; | |
31 | my $data = $cache->{$user}; | |
2c3a6c0a | 32 | |
b8c4218b | 33 | # permissions() will always prime the cache for the owning user |
e915e9e4 FG |
34 | my ($username, undef) = PVE::AccessControl::split_tokenid($user, 1); |
35 | die "internal error" if $username && $username ne 'root@pam' && !defined($cache->{$username}); | |
36 | ||
b8c4218b | 37 | # resolve and cache roles of the current user/token for all pool ACL paths |
4bc17477 | 38 | if (!$data->{poolroles}) { |
c104e4ab DM |
39 | $data->{poolroles} = {}; |
40 | ||
39c85db8 DM |
41 | foreach my $pool (keys %{$cfg->{pools}}) { |
42 | my $d = $cfg->{pools}->{$pool}; | |
7e8bcaa7 FG |
43 | my $pool_roles = PVE::AccessControl::roles($cfg, $user, "/pool/$pool"); # pool roles |
44 | next if !scalar(keys %$pool_roles); | |
4bc17477 | 45 | foreach my $vmid (keys %{$d->{vms}}) { |
7e8bcaa7 | 46 | for my $role (keys %$pool_roles) { |
4bc17477 | 47 | $data->{poolroles}->{"/vms/$vmid"}->{$role} = 1; |
2c3a6c0a DM |
48 | } |
49 | } | |
4bc17477 | 50 | foreach my $storeid (keys %{$d->{storage}}) { |
7e8bcaa7 | 51 | for my $role (keys %$pool_roles) { |
4bc17477 DM |
52 | $data->{poolroles}->{"/storage/$storeid"}->{$role} = 1; |
53 | } | |
54 | } | |
55 | } | |
56 | } | |
57 | ||
b8c4218b FG |
58 | # get roles of current user/token on checked path - this already handles |
59 | # propagation and NoAccess along the path | |
60 | # | |
61 | # hash mapping role name to propagation flag value, a key being defined | |
62 | # means the role is set | |
7e8bcaa7 | 63 | my $roles = PVE::AccessControl::roles($cfg, $user, $path); |
4bc17477 DM |
64 | |
65 | # apply roles inherited from pools | |
4bc17477 | 66 | if ($data->{poolroles}->{$path}) { |
b8c4218b | 67 | # NoAccess must not be trumped by pool ACLs |
7e8bcaa7 | 68 | if (!defined($roles->{NoAccess})) { |
8ade28e6 | 69 | if ($data->{poolroles}->{$path}->{NoAccess}) { |
b8c4218b | 70 | # but pool ACL NoAccess trumps regular ACL |
7e8bcaa7 | 71 | $roles = { 'NoAccess' => 0 }; |
8ade28e6 DM |
72 | } else { |
73 | foreach my $role (keys %{$data->{poolroles}->{$path}}) { | |
b8c4218b FG |
74 | # only use role from pool ACL if regular ACL didn't already |
75 | # set it, and never set propagation for pool-derived ACLs | |
7e8bcaa7 | 76 | $roles->{$role} = 0 if !defined($roles->{$role}); |
8ade28e6 | 77 | } |
4bc17477 | 78 | } |
2c3a6c0a | 79 | } |
4bc17477 | 80 | } |
2c3a6c0a | 81 | |
b8c4218b | 82 | # cache roles |
7e8bcaa7 | 83 | $data->{roles}->{$path} = $roles; |
c104e4ab | 84 | |
b8c4218b FG |
85 | # derive privs from set roles - hash mapping privilege name to propagation |
86 | # flag value, a key being defined means the priv is set | |
4bc17477 | 87 | my $privs = {}; |
7e8bcaa7 | 88 | foreach my $role (keys %$roles) { |
4bc17477 DM |
89 | if (my $privset = $cfg->{roles}->{$role}) { |
90 | foreach my $p (keys %$privset) { | |
b8c4218b FG |
91 | # set priv '$p' to propagated iff any of the set roles |
92 | # containing it have the propagated flag set | |
b55e33f4 | 93 | $privs->{$p} ||= $roles->{$role}; |
4bc17477 DM |
94 | } |
95 | } | |
2c3a6c0a | 96 | } |
e915e9e4 | 97 | |
b8c4218b | 98 | # intersect user and token permissions |
e915e9e4 | 99 | if ($username && $username ne 'root@pam') { |
b8c4218b | 100 | # map of set privs to their propagation flag value, for the owning user |
e915e9e4 | 101 | my $user_privs = $cache->{$username}->{privs}->{$path}; |
b8c4218b | 102 | # list of privs set both for token and owning user |
0716a56b | 103 | my $filtered_privs = [ grep { defined($user_privs->{$_}) } keys %$privs ]; |
b8c4218b FG |
104 | # intersection of privs using filtered list, combining both propagation |
105 | # flags | |
e8a0cee4 | 106 | $privs = { map { $_ => $user_privs->{$_} && $privs->{$_} } @$filtered_privs }; |
e915e9e4 FG |
107 | } |
108 | ||
9aa49a8d FG |
109 | foreach my $priv (keys %$privs) { |
110 | # safeguard, this should never happen anyway | |
111 | delete $privs->{$priv} if !defined($privs->{$priv}); | |
112 | } | |
113 | ||
b8c4218b | 114 | # cache privs |
4bc17477 | 115 | $data->{privs}->{$path} = $privs; |
2c3a6c0a | 116 | |
4bc17477 | 117 | return $privs; |
2c3a6c0a DM |
118 | }; |
119 | ||
b8c4218b FG |
120 | # this is the method used by permission check helpers below |
121 | # | |
122 | # returned value is a hash mapping all set privileges on $path to their | |
123 | # respective propagation flag. the propagation flag is informational only - | |
124 | # actual propagation is handled in PVE::AccessControl::roles(). to determine | |
125 | # whether a privilege is set, check for definedness in the returned hash. | |
126 | # | |
127 | # compiled ACLs are cached, so repeated checks for the same path and user are | |
128 | # almost free. | |
129 | # | |
130 | # if $user is a tokenid, permissions are calculated depending on the | |
131 | # privilege-separation flag value: | |
132 | # - non-priv-separated: permissions for owning user are returned | |
133 | # - priv-separated: permissions for owning user are calculated and intersected | |
134 | # with those of token | |
2c3a6c0a DM |
135 | sub permissions { |
136 | my ($self, $user, $path) = @_; | |
137 | ||
4bc17477 DM |
138 | if ($user eq 'root@pam') { # root can do anything |
139 | my $cfg = $self->{user_cfg}; | |
7e8bcaa7 | 140 | return { map { $_ => 1 } keys %{$cfg->{roles}->{'Administrator'}} }; |
c104e4ab | 141 | } |
4bc17477 | 142 | |
37d3c16b FG |
143 | if (!defined($path)) { |
144 | # this shouldn't happen! | |
145 | warn "internal error: ACL check called for undefined ACL path!\n"; | |
146 | return {}; | |
147 | } | |
148 | ||
e915e9e4 FG |
149 | if (PVE::AccessControl::pve_verify_tokenid($user, 1)) { |
150 | my ($username, $token) = PVE::AccessControl::split_tokenid($user); | |
151 | my $cfg = $self->{user_cfg}; | |
152 | my $token_info = $cfg->{users}->{$username}->{tokens}->{$token}; | |
7e8bcaa7 | 153 | |
e915e9e4 FG |
154 | return {} if !$token_info; |
155 | ||
156 | # ensure cache for user is populated | |
157 | my $user_perms = $self->permissions($username, $path); | |
158 | ||
159 | # return user privs for non-privsep tokens | |
160 | return $user_perms if !$token_info->{privsep}; | |
161 | } else { | |
162 | $user = PVE::AccessControl::verify_username($user, 1); | |
163 | return {} if !$user; | |
164 | } | |
2c3a6c0a DM |
165 | |
166 | my $cache = $self->{aclcache}; | |
4bc17477 | 167 | $cache->{$user} = {} if !$cache->{$user}; |
2c3a6c0a DM |
168 | |
169 | my $acl = $cache->{$user}; | |
170 | ||
4bc17477 DM |
171 | my $perm = $acl->{privs}->{$path}; |
172 | return $perm if $perm; | |
2c3a6c0a | 173 | |
4bc17477 | 174 | return &$compile_acl_path($self, $user, $path); |
2c3a6c0a DM |
175 | } |
176 | ||
ac344d7d DM |
177 | sub compute_api_permission { |
178 | my ($self, $authuser) = @_; | |
179 | ||
180 | my $usercfg = $self->{user_cfg}; | |
181 | ||
182 | my $res = {}; | |
183 | my $priv_re_map = { | |
184 | vms => qr/VM\.|Permissions\.Modify/, | |
185 | access => qr/(User|Group)\.|Permissions\.Modify/, | |
186 | storage => qr/Datastore\.|Permissions\.Modify/, | |
187 | nodes => qr/Sys\.|Permissions\.Modify/, | |
188 | sdn => qr/SDN\.|Permissions\.Modify/, | |
c27eb245 | 189 | dc => qr/Sys\.Audit|Sys\.Modify|SDN\./, |
8b5fd2e6 | 190 | mapping => qr/Mapping\.|Permissions.Modify/, |
ac344d7d DM |
191 | }; |
192 | map { $res->{$_} = {} } keys %$priv_re_map; | |
193 | ||
8b5fd2e6 | 194 | my $required_paths = ['/', '/nodes', '/access/groups', '/vms', '/storage', '/sdn', '/mapping']; |
170cf17b FG |
195 | my $defined_paths = []; |
196 | PVE::AccessControl::iterate_acl_tree("/", $usercfg->{acl_root}, sub { | |
197 | my ($path, $node) = @_; | |
198 | push @$defined_paths, $path; | |
199 | }); | |
ac344d7d DM |
200 | |
201 | my $checked_paths = {}; | |
170cf17b | 202 | foreach my $path (@$required_paths, @$defined_paths) { |
ac344d7d DM |
203 | next if $checked_paths->{$path}; |
204 | $checked_paths->{$path} = 1; | |
205 | ||
206 | my $path_perm = $self->permissions($authuser, $path); | |
207 | ||
208 | my $toplevel = ($path =~ /^\/(\w+)/) ? $1 : 'dc'; | |
209 | if ($toplevel eq 'pool') { | |
210 | foreach my $priv (keys %$path_perm) { | |
0786c1e5 FG |
211 | next if !defined($path_perm->{$priv}); |
212 | ||
ac344d7d DM |
213 | if ($priv =~ m/^VM\./) { |
214 | $res->{vms}->{$priv} = 1; | |
215 | } elsif ($priv =~ m/^Datastore\./) { | |
216 | $res->{storage}->{$priv} = 1; | |
217 | } elsif ($priv eq 'Permissions.Modify') { | |
218 | $res->{storage}->{$priv} = 1; | |
219 | $res->{vms}->{$priv} = 1; | |
220 | } | |
221 | } | |
222 | } else { | |
223 | my $priv_regex = $priv_re_map->{$toplevel} // next; | |
224 | foreach my $priv (keys %$path_perm) { | |
0786c1e5 FG |
225 | next if !defined($path_perm->{$priv}); |
226 | ||
ac344d7d DM |
227 | next if $priv !~ m/^($priv_regex)/; |
228 | $res->{$toplevel}->{$priv} = 1; | |
229 | } | |
230 | } | |
231 | } | |
232 | ||
233 | return $res; | |
234 | } | |
235 | ||
c3fa8a36 FG |
236 | sub get_effective_permissions { |
237 | my ($self, $user) = @_; | |
238 | ||
239 | # default / top level paths | |
240 | my $paths = { | |
241 | '/' => 1, | |
242 | '/access' => 1, | |
243 | '/access/groups' => 1, | |
244 | '/nodes' => 1, | |
3d7afd6f | 245 | '/pool' => 1, |
92f571d9 | 246 | '/sdn' => 1, |
c3fa8a36 FG |
247 | '/storage' => 1, |
248 | '/vms' => 1, | |
249 | }; | |
250 | ||
251 | my $cfg = $self->{user_cfg}; | |
252 | ||
253 | # paths explicitly listed in ACLs | |
170cf17b FG |
254 | PVE::AccessControl::iterate_acl_tree("/", $cfg->{acl_root}, sub { |
255 | my ($path, $node) = @_; | |
256 | $paths->{$path} = 1; | |
257 | }); | |
c3fa8a36 FG |
258 | |
259 | # paths referenced by pool definitions | |
260 | foreach my $pool (keys %{$cfg->{pools}}) { | |
261 | my $d = $cfg->{pools}->{$pool}; | |
262 | foreach my $vmid (keys %{$d->{vms}}) { | |
263 | $paths->{"/vms/$vmid"} = 1; | |
264 | } | |
265 | foreach my $storeid (keys %{$d->{storage}}) { | |
266 | $paths->{"/storage/$storeid"} = 1; | |
267 | } | |
268 | } | |
269 | ||
270 | my $perms = {}; | |
271 | foreach my $path (keys %$paths) { | |
272 | my $path_perms = $self->permissions($user, $path); | |
0786c1e5 FG |
273 | foreach my $priv (keys %$path_perms) { |
274 | delete $path_perms->{$priv} if !defined($path_perms->{$priv}); | |
275 | } | |
c3fa8a36 FG |
276 | # filter paths where user has NO permissions |
277 | $perms->{$path} = $path_perms if %$path_perms; | |
278 | } | |
279 | return $perms; | |
280 | } | |
281 | ||
2c3a6c0a | 282 | sub check { |
37d45deb | 283 | my ($self, $user, $path, $privs, $noerr) = @_; |
2c3a6c0a DM |
284 | |
285 | my $perm = $self->permissions($user, $path); | |
286 | ||
287 | foreach my $priv (@$privs) { | |
37d45deb | 288 | PVE::AccessControl::verify_privname($priv); |
7e8bcaa7 | 289 | if (!defined($perm->{$priv})) { |
37d45deb | 290 | return undef if $noerr; |
c104e4ab | 291 | raise_perm_exc("$path, $priv"); |
37d45deb | 292 | } |
2c3a6c0a DM |
293 | }; |
294 | ||
295 | return 1; | |
296 | }; | |
297 | ||
37d45deb DM |
298 | sub check_any { |
299 | my ($self, $user, $path, $privs, $noerr) = @_; | |
300 | ||
301 | my $perm = $self->permissions($user, $path); | |
efce1d57 | 302 | |
37d45deb DM |
303 | my $found = 0; |
304 | foreach my $priv (@$privs) { | |
305 | PVE::AccessControl::verify_privname($priv); | |
7e8bcaa7 | 306 | if (defined($perm->{$priv})) { |
37d45deb DM |
307 | $found = 1; |
308 | last; | |
309 | } | |
310 | }; | |
311 | ||
312 | return 1 if $found; | |
313 | ||
314 | return undef if $noerr; | |
315 | ||
c104e4ab | 316 | raise_perm_exc("$path, " . join("|", @$privs)); |
37d45deb DM |
317 | }; |
318 | ||
c4a776a6 DM |
319 | sub check_full { |
320 | my ($self, $username, $path, $privs, $any, $noerr) = @_; | |
321 | if ($any) { | |
322 | return $self->check_any($username, $path, $privs, $noerr); | |
323 | } else { | |
324 | return $self->check($username, $path, $privs, $noerr); | |
325 | } | |
326 | } | |
327 | ||
3c97bee5 | 328 | # check for any fashion of access to vnet/bridge |
a5616d5c AD |
329 | sub check_sdn_bridge { |
330 | my ($self, $username, $zone, $bridge, $privs, $noerr) = @_; | |
331 | ||
332 | my $path = "/sdn/zones/$zone/$bridge"; | |
e1ea58c8 FG |
333 | # check access to bridge itself |
334 | return 1 if $self->check_any($username, $path, $privs, 1); | |
335 | ||
a5616d5c AD |
336 | my $cfg = $self->{user_cfg}; |
337 | my $bridge_acl = PVE::AccessControl::find_acl_tree_node($cfg->{acl_root}, $path); | |
338 | if ($bridge_acl) { | |
3c97bee5 | 339 | # check access to VLANs |
a5616d5c AD |
340 | my $vlans = $bridge_acl->{children}; |
341 | for my $vlan (keys %$vlans) { | |
342 | my $vlanpath = "$path/$vlan"; | |
3c97bee5 | 343 | return 1 if $self->check_any($username, $vlanpath, $privs, 1); |
a5616d5c | 344 | } |
a5616d5c | 345 | } |
3c97bee5 FG |
346 | |
347 | # repeat check, but fatal | |
348 | $self->check_any($username, $path, $privs, 0) if !$noerr; | |
349 | ||
a5616d5c AD |
350 | return; |
351 | } | |
352 | ||
7070c1ae DM |
353 | sub check_user_enabled { |
354 | my ($self, $user, $noerr) = @_; | |
c104e4ab | 355 | |
2c3a6c0a | 356 | my $cfg = $self->{user_cfg}; |
7070c1ae | 357 | return PVE::AccessControl::check_user_enabled($cfg, $user, $noerr); |
2c3a6c0a DM |
358 | } |
359 | ||
37d45deb DM |
360 | sub check_user_exist { |
361 | my ($self, $user, $noerr) = @_; | |
c104e4ab | 362 | |
37d45deb DM |
363 | my $cfg = $self->{user_cfg}; |
364 | return PVE::AccessControl::check_user_exist($cfg, $user, $noerr); | |
365 | } | |
366 | ||
a23cec1f DM |
367 | sub check_pool_exist { |
368 | my ($self, $pool, $noerr) = @_; | |
369 | ||
370 | my $cfg = $self->{user_cfg}; | |
371 | ||
372 | return 1 if $cfg->{pools}->{$pool}; | |
373 | ||
374 | return undef if $noerr; | |
375 | ||
c104e4ab | 376 | raise_perm_exc("pool '$pool' does not exist"); |
a23cec1f DM |
377 | } |
378 | ||
379 | sub check_vm_perm { | |
380 | my ($self, $user, $vmid, $pool, $privs, $any, $noerr) = @_; | |
381 | ||
382 | my $cfg = $self->{user_cfg}; | |
c104e4ab | 383 | |
a23cec1f DM |
384 | if ($pool) { |
385 | return if $self->check_full($user, "/pool/$pool", $privs, $any, 1); | |
386 | } | |
387 | return $self->check_full($user, "/vms/$vmid", $privs, $any, $noerr); | |
388 | }; | |
389 | ||
37d45deb DM |
390 | sub is_group_member { |
391 | my ($self, $group, $user) = @_; | |
392 | ||
393 | my $cfg = $self->{user_cfg}; | |
394 | ||
395 | return 0 if !$cfg->{groups}->{$group}; | |
396 | ||
397 | return defined($cfg->{groups}->{$group}->{users}->{$user}); | |
398 | } | |
399 | ||
400 | sub filter_groups { | |
b9180ed2 | 401 | my ($self, $user, $privs, $any) = @_; |
37d45deb DM |
402 | |
403 | my $cfg = $self->{user_cfg}; | |
404 | ||
405 | my $groups = {}; | |
406 | foreach my $group (keys %{$cfg->{groups}}) { | |
b9180ed2 | 407 | my $path = "/access/groups/$group"; |
c4a776a6 DM |
408 | if ($self->check_full($user, $path, $privs, $any, 1)) { |
409 | $groups->{$group} = $cfg->{groups}->{$group}; | |
37d45deb DM |
410 | } |
411 | } | |
412 | ||
413 | return $groups; | |
414 | } | |
415 | ||
416 | sub group_member_join { | |
417 | my ($self, $grouplist) = @_; | |
418 | ||
419 | my $users = {}; | |
420 | ||
421 | my $cfg = $self->{user_cfg}; | |
422 | foreach my $group (@$grouplist) { | |
423 | my $data = $cfg->{groups}->{$group}; | |
424 | next if !$data; | |
425 | foreach my $user (keys %{$data->{users}}) { | |
426 | $users->{$user} = 1; | |
427 | } | |
428 | } | |
429 | ||
430 | return $users; | |
431 | } | |
432 | ||
e3a3a0d7 DM |
433 | sub check_perm_modify { |
434 | my ($self, $username, $path, $noerr) = @_; | |
435 | ||
436 | return $self->check($username, '/access', [ 'Permissions.Modify' ], $noerr) if !$path; | |
437 | ||
438 | my $testperms = [ 'Permissions.Modify' ]; | |
439 | if ($path =~ m|^/storage/.+$|) { | |
440 | push @$testperms, 'Datastore.Allocate'; | |
441 | } elsif ($path =~ m|^/vms/.+$|) { | |
442 | push @$testperms, 'VM.Allocate'; | |
7a7a517a DM |
443 | } elsif ($path =~ m|^/pool/.+$|) { |
444 | push @$testperms, 'Pool.Allocate'; | |
e3a3a0d7 DM |
445 | } |
446 | ||
447 | return $self->check_any($username, $path, $testperms, $noerr); | |
448 | } | |
449 | ||
f8cc5a5f DM |
450 | sub exec_api2_perm_check { |
451 | my ($self, $check, $username, $param, $noerr) = @_; | |
452 | ||
453 | # syslog("info", "CHECK " . join(', ', @$check)); | |
454 | ||
455 | my $ind = 0; | |
456 | my $test = $check->[$ind++]; | |
457 | die "no permission test specified" if !$test; | |
c104e4ab | 458 | |
f8cc5a5f DM |
459 | if ($test eq 'and') { |
460 | while (my $subcheck = $check->[$ind++]) { | |
c104e4ab | 461 | $self->exec_api2_perm_check($subcheck, $username, $param); |
f8cc5a5f DM |
462 | } |
463 | return 1; | |
464 | } elsif ($test eq 'or') { | |
465 | while (my $subcheck = $check->[$ind++]) { | |
c104e4ab | 466 | return 1 if $self->exec_api2_perm_check($subcheck, $username, $param, 1); |
f8cc5a5f DM |
467 | } |
468 | return 0 if $noerr; | |
469 | raise_perm_exc(); | |
470 | } elsif ($test eq 'perm') { | |
471 | my ($t, $tmplpath, $privs, %options) = @$check; | |
472 | my $any = $options{any}; | |
473 | die "missing parameters" if !($tmplpath && $privs); | |
c4a776a6 DM |
474 | my $require_param = $options{require_param}; |
475 | if ($require_param && !defined($param->{$require_param})) { | |
476 | return 0 if $noerr; | |
477 | raise_perm_exc(); | |
478 | } | |
f8cc5a5f | 479 | my $path = PVE::Tools::template_replace($tmplpath, $param); |
37d3c16b FG |
480 | my $normpath = PVE::AccessControl::normalize_path($path); |
481 | warn "Failed to normalize '$path'\n" if !defined($normpath) && defined($path); | |
482 | ||
483 | return $self->check_full($username, $normpath, $privs, $any, $noerr); | |
f8cc5a5f DM |
484 | } elsif ($test eq 'userid-group') { |
485 | my $userid = $param->{userid}; | |
486 | my ($t, $privs, %options) = @$check; | |
aee071ad FG |
487 | |
488 | my $check_existing_user = !$options{groups_param} || $options{groups_param} ne 'create'; | |
489 | return 0 if $check_existing_user && !$self->check_user_exist($userid, $noerr); | |
490 | ||
491 | # check permission for ALL groups (and thus ALL users) | |
82b63965 | 492 | if (!$self->check_any($username, "/access/groups", $privs, 1)) { |
aee071ad | 493 | # list of groups $username has any of $privs on |
f8cc5a5f DM |
494 | my $groups = $self->filter_groups($username, $privs, 1); |
495 | if ($options{groups_param}) { | |
aee071ad | 496 | # does $username have any of $privs on all new/updated/.. groups? |
f8cc5a5f | 497 | my @group_param = PVE::Tools::split_list($param->{groups}); |
82b63965 | 498 | raise_perm_exc("/access/groups, " . join("|", @$privs)) if !scalar(@group_param); |
f8cc5a5f DM |
499 | foreach my $pg (@group_param) { |
500 | raise_perm_exc("/access/groups/$pg, " . join("|", @$privs)) | |
501 | if !$groups->{$pg}; | |
502 | } | |
aee071ad FG |
503 | } |
504 | if ($check_existing_user) { | |
505 | # does $username have any of $privs on any existing group of $userid | |
f8cc5a5f DM |
506 | my $allowed_users = $self->group_member_join([keys %$groups]); |
507 | if (!$allowed_users->{$userid}) { | |
508 | return 0 if $noerr; | |
509 | raise_perm_exc(); | |
510 | } | |
511 | } | |
512 | } | |
513 | return 1; | |
514 | } elsif ($test eq 'userid-param') { | |
09d27058 | 515 | my ($userid, undef, $realm) = PVE::AccessControl::verify_username($param->{userid}); |
f8cc5a5f DM |
516 | my ($t, $subtest) = @$check; |
517 | die "missing parameters" if !$subtest; | |
518 | if ($subtest eq 'self') { | |
a69bbe2e | 519 | return 0 if !$self->check_user_exist($userid, $noerr); |
1cf154b7 | 520 | return 1 if $username eq $userid; |
f8cc5a5f DM |
521 | return 0 if $noerr; |
522 | raise_perm_exc(); | |
82b63965 DM |
523 | } elsif ($subtest eq 'Realm.AllocateUser') { |
524 | my $path = "/access/realm/$realm"; | |
525 | return $self->check($username, $path, ['Realm.AllocateUser'], $noerr); | |
f8cc5a5f DM |
526 | } else { |
527 | die "unknown userid-param test"; | |
528 | } | |
c870b202 | 529 | } elsif ($test eq 'perm-modify') { |
e3a3a0d7 DM |
530 | my ($t, $tmplpath) = @$check; |
531 | my $path = PVE::Tools::template_replace($tmplpath, $param); | |
532 | $path = PVE::AccessControl::normalize_path($path); | |
37d3c16b | 533 | return 0 if !defined($path); # should already die in API2::ACL |
e3a3a0d7 | 534 | return $self->check_perm_modify($username, $path, $noerr); |
c870b202 | 535 | } else { |
f8cc5a5f DM |
536 | die "unknown permission test"; |
537 | } | |
538 | }; | |
539 | ||
540 | sub check_api2_permissions { | |
541 | my ($self, $perm, $username, $param) = @_; | |
542 | ||
d146e520 | 543 | return 1 if !$username && $perm->{user} && $perm->{user} eq 'world'; |
f8cc5a5f DM |
544 | |
545 | raise_perm_exc("user != null") if !$username; | |
546 | ||
547 | return 1 if $username eq 'root@pam'; | |
548 | ||
549 | raise_perm_exc('user != root@pam') if !$perm; | |
550 | ||
551 | return 1 if $perm->{user} && $perm->{user} eq 'all'; | |
552 | ||
c104e4ab | 553 | return $self->exec_api2_perm_check($perm->{check}, $username, $param) |
f8cc5a5f DM |
554 | if $perm->{check}; |
555 | ||
556 | raise_perm_exc(); | |
557 | } | |
558 | ||
c104e4ab DM |
559 | sub log_cluster_msg { |
560 | my ($self, $pri, $user, $msg) = @_; | |
2c3a6c0a | 561 | |
c104e4ab DM |
562 | PVE::Cluster::log_msg($pri, $user, $msg); |
563 | } | |
2c3a6c0a | 564 | |
c104e4ab DM |
565 | sub broadcast_tasklist { |
566 | my ($self, $tlist) = @_; | |
2c3a6c0a | 567 | |
c104e4ab DM |
568 | PVE::Cluster::broadcast_tasklist($tlist); |
569 | } | |
2c3a6c0a | 570 | |
c104e4ab DM |
571 | # initialize environment - must be called once at program startup |
572 | sub init { | |
573 | my ($class, $type, %params) = @_; | |
86c4f1e6 DM |
574 | |
575 | $class = ref($class) || $class; | |
5ae5900d | 576 | |
c104e4ab | 577 | my $self = $class->SUPER::init($type, %params); |
5ae5900d | 578 | |
c104e4ab DM |
579 | $self->{user_cfg} = {}; |
580 | $self->{aclcache} = {}; | |
581 | $self->{aclversion} = undef; | |
2c3a6c0a | 582 | |
c104e4ab DM |
583 | return $self; |
584 | }; | |
2c3a6c0a | 585 | |
2c3a6c0a DM |
586 | |
587 | # init_request - must be called before each RPC request | |
588 | sub init_request { | |
589 | my ($self, %params) = @_; | |
590 | ||
591 | PVE::Cluster::cfs_update(); | |
592 | ||
be6ea723 | 593 | $self->{result_attributes} = {}; |
272fe9ff | 594 | |
2c3a6c0a DM |
595 | my $userconfig; # we use this for regression tests |
596 | foreach my $p (keys %params) { | |
597 | if ($p eq 'userconfig') { | |
598 | $userconfig = $params{$p}; | |
599 | } else { | |
600 | die "unknown parameter '$p'"; | |
601 | } | |
602 | } | |
603 | ||
604 | eval { | |
605 | $self->{aclcache} = {}; | |
606 | if ($userconfig) { | |
607 | my $ucdata = PVE::Tools::file_get_contents($userconfig); | |
608 | my $cfg = PVE::AccessControl::parse_user_config($userconfig, $ucdata); | |
609 | $self->{user_cfg} = $cfg; | |
610 | } else { | |
c104e4ab DM |
611 | my $ucvers = PVE::Cluster::cfs_file_version('user.cfg'); |
612 | if (!$self->{aclcache} || !defined($self->{aclversion}) || | |
2c3a6c0a DM |
613 | !defined($ucvers) || ($ucvers ne $self->{aclversion})) { |
614 | $self->{aclversion} = $ucvers; | |
615 | my $cfg = PVE::Cluster::cfs_read_file('user.cfg'); | |
616 | $self->{user_cfg} = $cfg; | |
617 | } | |
618 | } | |
619 | }; | |
620 | if (my $err = $@) { | |
621 | $self->{user_cfg} = {}; | |
622 | die "Unable to load access control list: $err"; | |
623 | } | |
624 | } | |
625 | ||
7d23b7ca | 626 | # hacks: to provide better backwards compatibility |
2c3a6c0a | 627 | |
c104e4ab DM |
628 | # old code uses PVE::RPCEnvironment::get(); |
629 | # new code should use PVE::RPCEnvironment->get(); | |
630 | sub get { | |
631 | return PVE::RESTEnvironment->get(); | |
2c3a6c0a DM |
632 | } |
633 | ||
c104e4ab DM |
634 | # old code uses PVE::RPCEnvironment::is_worker(); |
635 | # new code should use PVE::RPCEnvironment->is_worker(); | |
7b6dfe82 | 636 | sub is_worker { |
c104e4ab | 637 | return PVE::RESTEnvironment->is_worker(); |
2c3a6c0a DM |
638 | } |
639 | ||
90faf488 | 640 | # Permission helper for TFA and password API endpoints modifying users. |
060941d4 WB |
641 | # Only root may modify root, regular users need to specify their password. |
642 | # | |
90faf488 WB |
643 | # Returns the same as `verify_username` in list context (userid, ruid, realm), |
644 | # or just the userid in scalar context. | |
645 | sub reauth_user_for_user_modification : prototype($$$$;$) { | |
646 | my ($rpcenv, $authuser, $userid, $password, $param_name) = @_; | |
060941d4 | 647 | |
90faf488 WB |
648 | $param_name //= 'password'; |
649 | ||
650 | ($userid, my $ruid, my $realm) = PVE::AccessControl::verify_username($userid); | |
060941d4 WB |
651 | $rpcenv->check_user_exist($userid); |
652 | ||
653 | raise_perm_exc() if $userid eq 'root@pam' && $authuser ne 'root@pam'; | |
654 | ||
655 | # Regular users need to confirm their password to change TFA settings. | |
656 | if ($authuser ne 'root@pam') { | |
90faf488 | 657 | raise_param_exc({ $param_name => 'password is required to modify user' }) |
060941d4 WB |
658 | if !defined($password); |
659 | ||
660 | ($authuser, my $auth_username, my $auth_realm) = | |
661 | PVE::AccessControl::verify_username($authuser); | |
662 | ||
663 | my $domain_cfg = PVE::Cluster::cfs_read_file('domains.cfg'); | |
664 | my $cfg = $domain_cfg->{ids}->{$auth_realm}; | |
665 | die "auth domain '$auth_realm' does not exist\n" if !$cfg; | |
666 | my $plugin = PVE::Auth::Plugin->lookup($cfg->{type}); | |
667 | $plugin->authenticate_user($cfg, $auth_realm, $auth_username, $password); | |
668 | } | |
669 | ||
90faf488 | 670 | return wantarray ? ($userid, $ruid, $realm) : $userid; |
060941d4 WB |
671 | } |
672 | ||
2c3a6c0a | 673 | 1; |