add realm commands to pveum

[pve-access-control.git] / PVE / RPCEnvironment.pm

diff --git a/PVE/RPCEnvironment.pm b/PVE/RPCEnvironment.pm
index 7e0af7047a6aeb5e7519367538fde44bc0159692..e66107be7c1567cdc045c303ae0fd89980144a87 100644 (file)
--- a/PVE/RPCEnvironment.pm
+++ b/PVE/RPCEnvironment.pm
@@ -30,52 +30,62 @@ my $compile_acl_path = sub {
     $cache->{$user} = {} if !$cache->{$user};
     my $data = $cache->{$user};
 
+    my ($username, undef) = PVE::AccessControl::split_tokenid($user, 1);
+    die "internal error" if $username && $username ne 'root@pam' && !defined($cache->{$username});
+
     if (!$data->{poolroles}) {
        $data->{poolroles} = {};
 
        foreach my $pool (keys %{$cfg->{pools}}) {
            my $d = $cfg->{pools}->{$pool};
-           my @ra = PVE::AccessControl::roles($cfg, $user, "/pool/$pool"); # pool roles
-           next if !scalar(@ra);
+           my $pool_roles = PVE::AccessControl::roles($cfg, $user, "/pool/$pool"); # pool roles
+           next if !scalar(keys %$pool_roles);
            foreach my $vmid (keys %{$d->{vms}}) {
-               for my $role (@ra) {
+               for my $role (keys %$pool_roles) {
                    $data->{poolroles}->{"/vms/$vmid"}->{$role} = 1;
                }
            }
            foreach my $storeid (keys %{$d->{storage}}) {
-               for my $role (@ra) {
+               for my $role (keys %$pool_roles) {
                    $data->{poolroles}->{"/storage/$storeid"}->{$role} = 1;
                }
            }
        }
     }
 
-    my @ra = PVE::AccessControl::roles($cfg, $user, $path);
+    my $roles = PVE::AccessControl::roles($cfg, $user, $path);
 
     # apply roles inherited from pools
     # Note: assume we do not want to propagate those privs
     if ($data->{poolroles}->{$path}) {
-       if (!($ra[0] && $ra[0] eq 'NoAccess')) {
+       if (!defined($roles->{NoAccess})) {
            if ($data->{poolroles}->{$path}->{NoAccess}) {
-               @ra = ('NoAccess');
+               $roles = { 'NoAccess' => 0 };
            } else {
                foreach my $role (keys %{$data->{poolroles}->{$path}}) {
-                   push @ra, $role;
+                   $roles->{$role} = 0 if !defined($roles->{$role});
                }
            }
        }
     }
 
-    $data->{roles}->{$path} = [ @ra ];
+    $data->{roles}->{$path} = $roles;
 
     my $privs = {};
-    foreach my $role (@ra) {
+    foreach my $role (keys %$roles) {
        if (my $privset = $cfg->{roles}->{$role}) {
            foreach my $p (keys %$privset) {
-               $privs->{$p} = 1;
+               $privs->{$p} = $roles->{$role};
            }
        }
     }
+
+    if ($username && $username ne 'root@pam') {
+       # intersect user and token permissions
+       my $user_privs = $cache->{$username}->{privs}->{$path};
+       $privs = { map { $_ => $user_privs->{$_} && $privs->{$_} } keys %$privs };
+    }
+
     $data->{privs}->{$path} = $privs;
 
     return $privs;
@@ -86,11 +96,25 @@ sub permissions {
 
     if ($user eq 'root@pam') { # root can do anything
        my $cfg = $self->{user_cfg};
-       return $cfg->{roles}->{'Administrator'};
+       return { map { $_ => 1 } keys %{$cfg->{roles}->{'Administrator'}} };
     }
 
-    $user = PVE::AccessControl::verify_username($user, 1);
-    return {} if !$user;
+    if (PVE::AccessControl::pve_verify_tokenid($user, 1)) {
+       my ($username, $token) = PVE::AccessControl::split_tokenid($user);
+       my $cfg = $self->{user_cfg};
+       my $token_info = $cfg->{users}->{$username}->{tokens}->{$token};
+
+       return {} if !$token_info;
+
+       # ensure cache for user is populated
+       my $user_perms = $self->permissions($username, $path);
+
+       # return user privs for non-privsep tokens
+       return $user_perms if !$token_info->{privsep};
+    } else {
+       $user = PVE::AccessControl::verify_username($user, 1);
+       return {} if !$user;
+    }
 
     my $cache = $self->{aclcache};
     $cache->{$user} = {} if !$cache->{$user};
@@ -103,6 +127,47 @@ sub permissions {
     return &$compile_acl_path($self, $user, $path);
 }
 
+sub get_effective_permissions {
+    my ($self, $user) = @_;
+
+    # default / top level paths
+    my $paths = {
+       '/' => 1,
+       '/access' => 1,
+       '/access/groups' => 1,
+       '/nodes' => 1,
+       '/pools' => 1,
+       '/storage' => 1,
+       '/vms' => 1,
+    };
+
+    my $cfg = $self->{user_cfg};
+
+    # paths explicitly listed in ACLs
+    foreach my $acl_path (keys %{$cfg->{acl}}) {
+       $paths->{$acl_path} = 1;
+    }
+
+    # paths referenced by pool definitions
+    foreach my $pool (keys %{$cfg->{pools}}) {
+       my $d = $cfg->{pools}->{$pool};
+       foreach my $vmid (keys %{$d->{vms}}) {
+           $paths->{"/vms/$vmid"} = 1;
+       }
+       foreach my $storeid (keys %{$d->{storage}}) {
+           $paths->{"/storage/$storeid"} = 1;
+       }
+    }
+
+    my $perms = {};
+    foreach my $path (keys %$paths) {
+       my $path_perms = $self->permissions($user, $path);
+       # filter paths where user has NO permissions
+       $perms->{$path} = $path_perms if %$path_perms;
+    }
+    return $perms;
+}
+
 sub check {
     my ($self, $user, $path, $privs, $noerr) = @_;
 
@@ -110,7 +175,7 @@ sub check {
 
     foreach my $priv (@$privs) {
        PVE::AccessControl::verify_privname($priv);
-       if (!$perm->{$priv}) {
+       if (!defined($perm->{$priv})) {
            return undef if $noerr;
            raise_perm_exc("$path, $priv");
        }
@@ -127,7 +192,7 @@ sub check_any {
     my $found = 0;
     foreach my $priv (@$privs) {
        PVE::AccessControl::verify_privname($priv);
-       if ($perm->{$priv}) {
+       if (defined($perm->{$priv})) {
            $found = 1;
            last;
        }