X-Git-Url: https://git.proxmox.com/?p=pve-access-control.git;a=blobdiff_plain;f=PVE%2FAccessControl.pm;h=550fa87c24d23cb606c7760ac867fcf761801c8c;hp=bfee816f05b59fb48b677148320044c466b4ad7a;hb=ba6c2e66998b13e479b8b876dfca36e810dfe422;hpb=d6eb66211950cf1f9d6cc832a4dfe74a91443fe8 diff --git a/PVE/AccessControl.pm b/PVE/AccessControl.pm index bfee816..550fa87 100644 --- a/PVE/AccessControl.pm +++ b/PVE/AccessControl.pm @@ -43,8 +43,8 @@ my $ticket_lifetime = 3600*2; # 2 hours Crypt::OpenSSL::RSA->import_random_seed(); -cfs_register_file('user.cfg', - \&parse_user_config, +cfs_register_file('user.cfg', + \&parse_user_config, \&write_user_config); @@ -66,11 +66,11 @@ sub lock_user_config { } my $pve_auth_pub_key; -sub get_pubkey { +sub get_pubkey { return $pve_auth_pub_key if $pve_auth_pub_key; - my $input = PVE::Tools::file_get_contents($authpubkeyfn); + my $input = PVE::Tools::file_get_contents($authpubkeyfn); $pve_auth_pub_key = Crypt::OpenSSL::RSA->new_public_key($input); @@ -80,7 +80,7 @@ sub get_pubkey { my $csrf_prevention_secret; my $get_csrfr_secret = sub { if (!$csrf_prevention_secret) { - my $input = PVE::Tools::file_get_contents($pve_www_key_fn); + my $input = PVE::Tools::file_get_contents($pve_www_key_fn); $csrf_prevention_secret = Digest::SHA::sha1_base64($input); } return $csrf_prevention_secret; @@ -93,7 +93,7 @@ sub assemble_csrf_prevention_token { my $digest = Digest::SHA::sha1_base64("$timestamp:$username", &$get_csrfr_secret()); - return "$timestamp:$digest"; + return "$timestamp:$digest"; } sub verify_csrf_prevention_token { @@ -120,7 +120,7 @@ sub get_privkey { return $pve_auth_priv_key if $pve_auth_priv_key; - my $input = PVE::Tools::file_get_contents($authprivkeyfn); + my $input = PVE::Tools::file_get_contents($authprivkeyfn); $pve_auth_priv_key = Crypt::OpenSSL::RSA->new_private_key($input); @@ -276,7 +276,7 @@ sub verify_spice_connect_url { if ($sig eq $hexsig) { return ($vmid, $node, $port); - } + } } return undef; @@ -287,12 +287,19 @@ sub read_x509_subject_spice { # read x509 subject my $bio = Net::SSLeay::BIO_new_file($filename, 'r'); + die "Could not open $filename using OpenSSL\n" + if !$bio; + my $x509 = Net::SSLeay::PEM_read_bio_X509($bio); Net::SSLeay::BIO_free($bio); + + die "Could not parse X509 certificate in $filename\n" + if !$x509; + my $nameobj = Net::SSLeay::X509_get_subject_name($x509); my $subject = Net::SSLeay::X509_NAME_oneline($nameobj); Net::SSLeay::X509_free($x509); - + # remote-viewer wants comma as seperator (not '/') $subject =~ s!^/!!; $subject =~ s!/(\w+=)!,$1!g; @@ -342,11 +349,11 @@ sub check_user_exist { $username = PVE::Auth::Plugin::verify_username($username, $noerr); return undef if !$username; - + return $usercfg->{users}->{$username} if $usercfg && $usercfg->{users}->{$username}; die "no such user ('$username')\n" if !$noerr; - + return undef; } @@ -359,7 +366,7 @@ sub check_user_enabled { return 1 if $data->{enable}; die "user '$username' is disabled\n" if !$noerr; - + return undef; } @@ -390,7 +397,7 @@ sub authenticate_user { my ($username, $password, $otp) = @_; die "no username specified\n" if !$username; - + my ($ruid, $realm); ($username, $ruid, $realm) = PVE::Auth::Plugin::verify_username($username); @@ -433,55 +440,48 @@ sub domain_set_password { } sub add_user_group { - my ($username, $usercfg, $group) = @_; + $usercfg->{users}->{$username}->{groups}->{$group} = 1; $usercfg->{groups}->{$group}->{users}->{$username} = 1; } sub delete_user_group { - my ($username, $usercfg) = @_; - + foreach my $group (keys %{$usercfg->{groups}}) { - delete ($usercfg->{groups}->{$group}->{users}->{$username}) + delete ($usercfg->{groups}->{$group}->{users}->{$username}) if $usercfg->{groups}->{$group}->{users}->{$username}; } } sub delete_user_acl { - my ($username, $usercfg) = @_; foreach my $acl (keys %{$usercfg->{acl}}) { - delete ($usercfg->{acl}->{$acl}->{users}->{$username}) + delete ($usercfg->{acl}->{$acl}->{users}->{$username}) if $usercfg->{acl}->{$acl}->{users}->{$username}; } } sub delete_group_acl { - my ($group, $usercfg) = @_; foreach my $acl (keys %{$usercfg->{acl}}) { - delete ($usercfg->{acl}->{$acl}->{groups}->{$group}) + delete ($usercfg->{acl}->{$acl}->{groups}->{$group}) if $usercfg->{acl}->{$acl}->{groups}->{$group}; } } sub delete_pool_acl { - my ($pool, $usercfg) = @_; my $path = "/pool/$pool"; - foreach my $aclpath (keys %{$usercfg->{acl}}) { - delete ($usercfg->{acl}->{$aclpath}) - if $usercfg->{acl}->{$aclpath} eq 'path'; - } + delete ($usercfg->{acl}->{$path}) } # we automatically create some predefined roles by splitting privs @@ -492,37 +492,37 @@ sub delete_pool_acl { my $privgroups = { VM => { root => [], - admin => [ - 'VM.Config.Disk', - 'VM.Config.CPU', - 'VM.Config.Memory', - 'VM.Config.Network', + admin => [ + 'VM.Config.Disk', + 'VM.Config.CPU', + 'VM.Config.Memory', + 'VM.Config.Network', 'VM.Config.HWType', - 'VM.Config.Options', # covers all other things - 'VM.Allocate', - 'VM.Clone', + 'VM.Config.Options', # covers all other things + 'VM.Allocate', + 'VM.Clone', 'VM.Migrate', - 'VM.Monitor', - 'VM.Snapshot', + 'VM.Monitor', + 'VM.Snapshot', ], user => [ 'VM.Config.CDROM', # change CDROM media - 'VM.Console', + 'VM.Console', 'VM.Backup', 'VM.PowerMgmt', ], - audit => [ + audit => [ 'VM.Audit', ], }, Sys => { root => [ - 'Sys.PowerMgmt', + 'Sys.PowerMgmt', 'Sys.Modify', # edit/change node settings ], admin => [ 'Permissions.Modify', - 'Sys.Console', + 'Sys.Console', 'Sys.Syslog', ], user => [], @@ -550,7 +550,7 @@ my $privgroups = { admin => [ 'User.Modify', 'Group.Allocate', # edit/change group settings - 'Realm.AllocateUser', + 'Realm.AllocateUser', ], user => [], audit => [], @@ -576,7 +576,7 @@ sub create_roles { foreach my $cat (keys %$privgroups) { my $cd = $privgroups->{$cat}; - foreach my $p (@{$cd->{root}}, @{$cd->{admin}}, + foreach my $p (@{$cd->{root}}, @{$cd->{admin}}, @{$cd->{user}}, @{$cd->{audit}}) { $valid_privs->{$p} = 1; } @@ -612,8 +612,8 @@ sub add_role_privs { $usercfg->{roles}->{$role}->{$priv} = 1; } else { die "invalid priviledge '$priv'\n"; - } - } + } + } } sub normalize_path { @@ -630,7 +630,7 @@ sub normalize_path { return undef if $path !~ m|^[[:alnum:]\.\-\_\/]+$|; return $path; -} +} PVE::JSONSchema::register_format('pve-groupid', \&verify_groupname); @@ -643,7 +643,7 @@ sub verify_groupname { return undef; } - + return $groupname; } @@ -657,7 +657,7 @@ sub verify_rolename { return undef; } - + return $rolename; } @@ -671,7 +671,7 @@ sub verify_poolname { return undef; } - + return $poolname; } @@ -684,7 +684,7 @@ sub verify_privname { return undef; } - + return $priv; } @@ -697,7 +697,7 @@ sub userconfig_force_defaults { # add root user if not exists if (!$cfg->{users}->{'root@pam'}) { - $cfg->{users}->{'root@pam'}->{enable} = 1; + $cfg->{users}->{'root@pam'}->{enable} = 1; } } @@ -714,7 +714,7 @@ sub parse_user_config { my @data; foreach my $d (split (/:/, $line)) { - $d =~ s/^\s+//; + $d =~ s/^\s+//; $d =~ s/\s+$//; push @data, $d } @@ -755,7 +755,7 @@ sub parse_user_config { $cfg->{users}->{$user}->{comment} = PVE::Tools::decode_text($comment) if $comment; $cfg->{users}->{$user}->{expire} = $expire; # keys: allowed yubico key ids or oath secrets (base32 encoded) - $cfg->{users}->{$user}->{keys} = $keys if $keys; + $cfg->{users}->{$user}->{keys} = $keys if $keys; #$cfg->{users}->{$user}->{groups}->{$group} = 1; #$cfg->{groups}->{$group}->{$user} = 1; @@ -780,7 +780,7 @@ sub parse_user_config { next; } - if ($cfg->{users}->{$user}) { # user exists + if ($cfg->{users}->{$user}) { # user exists $cfg->{users}->{$user}->{groups}->{$group} = 1; $cfg->{groups}->{$group}->{users}->{$user} = 1; } else { @@ -790,7 +790,7 @@ sub parse_user_config { } elsif ($et eq 'role') { my ($role, $privlist) = @data; - + if (!verify_rolename($role, 1)) { warn "user config - ignore role '$role' - invalid characters in role name\n"; next; @@ -804,15 +804,15 @@ sub parse_user_config { $cfg->{roles}->{$role}->{$priv} = 1; } else { warn "user config - ignore invalid priviledge '$priv'\n"; - } + } } - + } elsif ($et eq 'acl') { my ($propagate, $pathtxt, $uglist, $rolelist) = @data; if (my $path = normalize_path($pathtxt)) { foreach my $role (split_list($rolelist)) { - + if (!verify_rolename($role, 1)) { warn "user config - ignore invalid role name '$role' in acl\n"; next; @@ -821,13 +821,13 @@ sub parse_user_config { foreach my $ug (split_list($uglist)) { if ($ug =~ m/^@(\S+)$/) { my $group = $1; - if ($cfg->{groups}->{$group}) { # group exists + if ($cfg->{groups}->{$group}) { # group exists $cfg->{acl}->{$path}->{groups}->{$group}->{$role} = $propagate; } else { warn "user config - ignore invalid acl group '$group'\n"; } } elsif (PVE::Auth::Plugin::verify_username($ug, 1)) { - if ($cfg->{users}->{$ug}) { # user exists + if ($cfg->{users}->{$ug}) { # user exists $cfg->{acl}->{$path}->{users}->{$ug}->{$role} = $propagate; } else { warn "user config - ignore invalid acl member '$ug'\n"; @@ -866,7 +866,7 @@ sub parse_user_config { } $cfg->{pools}->{$pool}->{vms}->{$vmid} = 1; - + # record vmid ==> pool relation $cfg->{vms}->{$vmid} = $pool; } @@ -910,7 +910,7 @@ sub write_user_config { foreach my $group (keys %{$cfg->{groups}}) { my $d = $cfg->{groups}->{$group}; my $list = join (',', keys %{$d->{users}}); - my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; + my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; $data .= "group:$group:$list:$comment:\n"; } @@ -920,7 +920,7 @@ sub write_user_config { my $d = $cfg->{pools}->{$pool}; my $vmlist = join (',', keys %{$d->{vms}}); my $storelist = join (',', keys %{$d->{storage}}); - my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; + my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : ''; $data .= "pool:$pool:$comment:$vmlist:$storelist:\n"; } @@ -960,7 +960,7 @@ sub write_user_config { foreach my $user (keys %{$d->{users}}) { # no need to save, because root is always 'Administartor' - next if $user eq 'root@pam'; + next if $user eq 'root@pam'; my $l0 = ''; my $l1 = ''; @@ -994,7 +994,7 @@ sub write_user_config { sub roles { my ($cfg, $user, $path) = @_; - # NOTE: we do not consider pools here. + # NOTE: we do not consider pools here. # You need to use $rpcenv->roles() instead if you want that. return 'Administrator' if $user eq 'root@pam'; # root can do anything @@ -1049,7 +1049,7 @@ sub roles { return ('NoAccess') if defined ($perm->{NoAccess}); #return () if defined ($perm->{NoAccess}); - + #print "permission $user $path = " . Dumper ($perm); my @ra = keys %$perm; @@ -1058,7 +1058,7 @@ sub roles { return @ra; } - + sub permission { my ($cfg, $user, $path) = @_; @@ -1066,7 +1066,7 @@ sub permission { return {} if !$user; my @ra = roles($cfg, $user, $path); - + my $privs = {}; foreach my $role (@ra) { @@ -1096,6 +1096,51 @@ sub check_permissions { return 1; } +sub remove_vm_access { + my ($vmid) = @_; + my $delVMaccessFn = sub { + my $usercfg = cfs_read_file("user.cfg"); + my $modified; + + if (my $acl = $usercfg->{acl}->{"/vms/$vmid"}) { + delete $usercfg->{acl}->{"/vms/$vmid"}; + $modified = 1; + } + if (my $pool = $usercfg->{vms}->{$vmid}) { + if (my $data = $usercfg->{pools}->{$pool}) { + delete $data->{vms}->{$vmid}; + delete $usercfg->{vms}->{$vmid}; + $modified = 1; + } + } + cfs_write_file("user.cfg", $usercfg) if $modified; + }; + + lock_user_config($delVMaccessFn, "access permissions cleanup for VM $vmid failed"); +} + +sub remove_storage_access { + my ($storeid) = @_; + + my $deleteStorageAccessFn = sub { + my $usercfg = cfs_read_file("user.cfg"); + my $modified; + + if (my $storage = $usercfg->{acl}->{"/storage/$storeid"}) { + delete $usercfg->{acl}->{"/storage/$storeid"}; + $modified = 1; + } + foreach my $pool (keys %{$usercfg->{pools}}) { + delete $usercfg->{pools}->{$pool}->{storage}->{$storeid}; + $modified = 1; + } + cfs_write_file("user.cfg", $usercfg) if $modified; + }; + + lock_user_config($deleteStorageAccessFn, + "access permissions cleanup for storage $storeid failed"); +} + sub add_vm_to_pool { my ($vmid, $pool) = @_; @@ -1113,7 +1158,7 @@ sub add_vm_to_pool { sub remove_vm_from_pool { my ($vmid) = @_; - + my $delVMfromPoolFn = sub { my $usercfg = cfs_read_file("user.cfg"); if (my $pool = $usercfg->{vms}->{$vmid}) { @@ -1150,15 +1195,13 @@ sub yubico_verify_otp { die "yubico: missing password\n" if !defined($otp); die "yubico: missing API ID\n" if !defined($api_id); die "yubico: missing API KEY\n" if !defined($api_key); - die "yubico: no associated yubico keys\n" if $keys =~ m/^\s+$/; + die "yubico: no associated yubico keys\n" if $keys =~ m/^\s+$/; die "yubico: wrong OTP lenght\n" if (length($otp) < 32) || (length($otp) > 48); - # we always use http, because https cert verification always make problem, and - # some proxies does not work with https. $url = 'http://api2.yubico.com/wsapi/2.0/verify' if !defined($url); - + my $params = { nonce => Digest::HMAC_SHA1::hmac_sha1_hex(time(), rand()), id => $api_id, @@ -1172,10 +1215,10 @@ sub yubico_verify_otp { my $req = HTTP::Request->new('GET' => "$url?$paramstr"); - my $ua = LWP::UserAgent->new(protocols_allowed => ['http'], timeout => 30); + my $ua = LWP::UserAgent->new(protocols_allowed => ['http', 'https'], timeout => 30); if ($proxy) { - $ua->proxy(['http'], $proxy); + $ua->proxy(['http', 'https'], $proxy); } else { $ua->env_proxy; } @@ -1230,7 +1273,7 @@ sub oath_verify_otp { my ($otp, $keys, $step, $digits) = @_; die "oath: missing password\n" if !defined($otp); - die "oath: no associated oath keys\n" if $keys =~ m/^\s+$/; + die "oath: no associated oath keys\n" if $keys =~ m/^\s+$/; $step = 30 if !$step; $digits = 6 if !$digits; @@ -1256,4 +1299,27 @@ sub oath_verify_otp { die "oath auth failed\n" if !$found; } +# bash completion helpers + +sub complete_username { + + my $user_cfg = cfs_read_file('user.cfg'); + + return [ keys %{$user_cfg->{users}} ]; +} + +sub complete_group { + + my $user_cfg = cfs_read_file('user.cfg'); + + return [ keys %{$user_cfg->{groups}} ]; +} + +sub complete_realm { + + my $domain_cfg = cfs_read_file('domains.cfg'); + + return [ keys %{$domain_cfg->{ids}} ]; +} + 1;