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https://git.proxmox.com/git/pve-access-control
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add pbs-style TFA API implementation
implements the same api paths as in pbs by forwarding the api methods to the rust implementation after performing the product-specific checks Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller
Thomas Lamprecht
parent
dc547a1339
commit
07692c72ff
@ -4,7 +4,7 @@ use strict;
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use warnings;
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use PVE::AccessControl;
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use PVE::Cluster qw(cfs_read_file);
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use PVE::Cluster qw(cfs_read_file cfs_write_file);
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use PVE::JSONSchema qw(get_standard_option);
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use PVE::Exception qw(raise raise_perm_exc raise_param_exc);
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use PVE::RPCEnvironment;
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@ -15,6 +15,110 @@ use PVE::RESTHandler;
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use base qw(PVE::RESTHandler);
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my $OPTIONAL_PASSWORD_SCHEMA = {
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description => "The current password.",
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type => 'string',
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optional => 1, # Only required if not root@pam
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minLength => 5,
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maxLength => 64
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};
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my $TFA_TYPE_SCHEMA = {
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type => 'string',
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description => 'TFA Entry Type.',
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enum => [qw(totp u2f webauthn recovery yubico)],
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};
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my %TFA_INFO_PROPERTIES = (
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id => {
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type => 'string',
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description => 'The id used to reference this entry.',
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},
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description => {
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type => 'string',
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description => 'User chosen description for this entry.',
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},
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created => {
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type => 'integer',
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description => 'Creation time of this entry as unix epoch.',
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},
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enable => {
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type => 'boolean',
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description => 'Whether this TFA entry is currently enabled.',
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optional => 1,
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default => 1,
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},
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);
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my $TYPED_TFA_ENTRY_SCHEMA = {
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type => 'object',
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description => 'TFA Entry.',
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properties => {
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type => $TFA_TYPE_SCHEMA,
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%TFA_INFO_PROPERTIES,
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},
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};
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my $TFA_ID_SCHEMA = {
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type => 'string',
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description => 'A TFA entry id.',
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};
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my $TFA_UPDATE_INFO_SCHEMA = {
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type => 'object',
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properties => {
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id => {
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type => 'string',
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description => 'The id of a newly added TFA entry.',
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},
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challenge => {
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type => 'string',
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optional => 1,
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description =>
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'When adding u2f entries, this contains a challenge the user must respond to in order'
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.' to finish the registration.'
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},
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recovery => {
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type => 'array',
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optional => 1,
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description =>
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'When adding recovery codes, this contains the list of codes to be displayed to'
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.' the user',
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items => {
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type => 'string',
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description => 'A recovery entry.'
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},
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},
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},
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};
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# Only root may modify root, regular users need to specify their password.
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#
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# Returns the userid returned from `verify_username`.
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# Or ($userid, $realm) in list context.
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my sub root_permission_check : prototype($$$$) {
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my ($rpcenv, $authuser, $userid, $password) = @_;
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($userid, my $ruid, my $realm) = PVE::AccessControl::verify_username($userid);
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$rpcenv->check_user_exist($userid);
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raise_perm_exc() if $userid eq 'root@pam' && $authuser ne 'root@pam';
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# Regular users need to confirm their password to change TFA settings.
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if ($authuser ne 'root@pam') {
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raise_param_exc({ 'password' => 'password is required to modify TFA data' })
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if !defined($password);
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my $domain_cfg = cfs_read_file('domains.cfg');
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my $cfg = $domain_cfg->{ids}->{$realm};
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die "auth domain '$realm' does not exist\n" if !$cfg;
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my $plugin = PVE::Auth::Plugin->lookup($cfg->{type});
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$plugin->authenticate_user($cfg, $realm, $ruid, $password);
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}
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return wantarray ? ($userid, $realm) : $userid;
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}
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### OLD API
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__PACKAGE__->register_method({
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@ -89,47 +193,6 @@ __PACKAGE__->register_method({
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### END OLD API
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my $TFA_TYPE_SCHEMA = {
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type => 'string',
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description => 'TFA Entry Type.',
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enum => [qw(totp u2f webauthn recovery yubico)],
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};
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my %TFA_INFO_PROPERTIES = (
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id => {
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type => 'string',
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description => 'The id used to reference this entry.',
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},
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description => {
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type => 'string',
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description => 'User chosen description for this entry.',
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},
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created => {
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type => 'integer',
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description => 'Creation time of this entry as unix epoch.',
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},
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enable => {
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type => 'boolean',
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description => 'Whether this TFA entry is currently enabled.',
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optional => 1,
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default => 1,
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},
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);
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my $TYPED_TFA_ENTRY_SCHEMA = {
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type => 'object',
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description => 'TFA Entry.',
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properties => {
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type => $TFA_TYPE_SCHEMA,
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%TFA_INFO_PROPERTIES,
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},
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};
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my $TFA_ID_SCHEMA = {
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type => 'string',
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description => 'A TFA entry id.',
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};
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__PACKAGE__->register_method ({
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name => 'list_user_tfa',
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path => '{userid}',
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@ -174,7 +237,7 @@ __PACKAGE__->register_method ({
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},
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protected => 1, # else we can't access shadow files
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allowtoken => 0, # we don't want tokens to change the regular user's TFA settings
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description => 'A requested TFA entry if present.',
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description => 'Fetch a requested TFA entry if present.',
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parameters => {
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additionalProperties => 0,
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properties => {
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@ -188,7 +251,51 @@ __PACKAGE__->register_method ({
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code => sub {
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my ($param) = @_;
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my $tfa_cfg = cfs_read_file('priv/tfa.cfg');
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return $tfa_cfg->api_get_tfa_entry($param->{userid}, $param->{id});
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my $id = $param->{id};
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my $entry = $tfa_cfg->api_get_tfa_entry($param->{userid}, $id);
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raise("No such tfa entry '$id'", 404) if !$entry;
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return $entry;
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}});
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__PACKAGE__->register_method ({
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name => 'delete_tfa',
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path => '{userid}/{id}',
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method => 'DELETE',
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permissions => {
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check => [ 'or',
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['userid-param', 'self'],
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['userid-group', ['User.Modify']],
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],
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},
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protected => 1, # else we can't access shadow files
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allowtoken => 0, # we don't want tokens to change the regular user's TFA settings
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description => 'Delete a TFA entry by ID.',
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parameters => {
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additionalProperties => 0,
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properties => {
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userid => get_standard_option('userid', {
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completion => \&PVE::AccessControl::complete_username,
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}),
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id => $TFA_ID_SCHEMA,
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password => $OPTIONAL_PASSWORD_SCHEMA,
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}
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},
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returns => { type => 'null' },
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code => sub {
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my ($param) = @_;
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PVE::AccessControl::assert_new_tfa_config_available();
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my $rpcenv = PVE::RPCEnvironment::get();
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my $authuser = $rpcenv->get_user();
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my $userid =
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root_permission_check($rpcenv, $authuser, $param->{userid}, $param->{password});
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return PVE::AccessControl::lock_tfa_config(sub {
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my $tfa_cfg = cfs_read_file('priv/tfa.cfg');
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$tfa_cfg->api_delete_tfa($userid, $param->{id});
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cfs_write_file('priv/tfa.cfg', $tfa_cfg);
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});
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}});
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__PACKAGE__->register_method ({
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@ -228,12 +335,145 @@ __PACKAGE__->register_method ({
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my $rpcenv = PVE::RPCEnvironment::get();
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my $authuser = $rpcenv->get_user();
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my $top_level_allowed = ($authuser eq 'root@pam');
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my $tfa_cfg = cfs_read_file('priv/tfa.cfg');
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return $tfa_cfg->api_list_tfa($authuser, $top_level_allowed);
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}});
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__PACKAGE__->register_method ({
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name => 'add_tfa_entry',
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path => '{userid}',
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method => 'POST',
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permissions => {
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check => [ 'or',
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['userid-param', 'self'],
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['userid-group', ['User.Modify']],
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],
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},
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protected => 1, # else we can't access shadow files
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allowtoken => 0, # we don't want tokens to change the regular user's TFA settings
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description => 'Add a TFA entry for a user.',
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parameters => {
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additionalProperties => 0,
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properties => {
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userid => get_standard_option('userid', {
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completion => \&PVE::AccessControl::complete_username,
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}),
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type => $TFA_TYPE_SCHEMA,
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description => {
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type => 'string',
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description => 'A description to distinguish multiple entries from one another',
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maxLength => 255,
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optional => 1,
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},
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totp => {
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type => 'string',
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description => "A totp URI.",
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optional => 1,
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},
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value => {
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type => 'string',
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description =>
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'The current value for the provided totp URI, or a Webauthn/U2F'
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.' challenge response',
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optional => 1,
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},
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challenge => {
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type => 'string',
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description => 'When responding to a u2f challenge: the original challenge string',
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optional => 1,
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},
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password => $OPTIONAL_PASSWORD_SCHEMA,
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},
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},
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returns => $TFA_UPDATE_INFO_SCHEMA,
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code => sub {
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my ($param) = @_;
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PVE::AccessControl::assert_new_tfa_config_available();
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my $rpcenv = PVE::RPCEnvironment::get();
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my $authuser = $rpcenv->get_user();
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my $userid =
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root_permission_check($rpcenv, $authuser, $param->{userid}, $param->{password});
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return PVE::AccessControl::lock_tfa_config(sub {
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my $tfa_cfg = cfs_read_file('priv/tfa.cfg');
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PVE::AccessControl::configure_u2f_and_wa($tfa_cfg);
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my $response = $tfa_cfg->api_add_tfa_entry(
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$userid,
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$param->{description},
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$param->{totp},
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$param->{value},
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$param->{challenge},
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$param->{type},
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);
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cfs_write_file('priv/tfa.cfg', $tfa_cfg);
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return $response;
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});
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}});
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__PACKAGE__->register_method ({
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name => 'update_tfa_entry',
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path => '{userid}/{id}',
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method => 'PUT',
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permissions => {
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check => [ 'or',
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['userid-param', 'self'],
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['userid-group', ['User.Modify']],
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],
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},
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protected => 1, # else we can't access shadow files
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allowtoken => 0, # we don't want tokens to change the regular user's TFA settings
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description => 'Add a TFA entry for a user.',
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parameters => {
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additionalProperties => 0,
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properties => {
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userid => get_standard_option('userid', {
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completion => \&PVE::AccessControl::complete_username,
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}),
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id => $TFA_ID_SCHEMA,
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description => {
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type => 'string',
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description => 'A description to distinguish multiple entries from one another',
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maxLength => 255,
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optional => 1,
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},
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enable => {
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type => 'boolean',
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description => 'Whether the entry should be enabled for login.',
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optional => 1,
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},
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password => $OPTIONAL_PASSWORD_SCHEMA,
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},
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},
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returns => { type => 'null' },
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code => sub {
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my ($param) = @_;
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PVE::AccessControl::assert_new_tfa_config_available();
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my $rpcenv = PVE::RPCEnvironment::get();
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my $authuser = $rpcenv->get_user();
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my $userid =
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root_permission_check($rpcenv, $authuser, $param->{userid}, $param->{password});
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PVE::AccessControl::lock_tfa_config(sub {
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my $tfa_cfg = cfs_read_file('priv/tfa.cfg');
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$tfa_cfg->api_update_tfa_entry(
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$userid,
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$param->{id},
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$param->{description},
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$param->{enable},
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);
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cfs_write_file('priv/tfa.cfg', $tfa_cfg);
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});
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}});
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1;
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@ -77,6 +77,17 @@ sub lock_user_config {
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}
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}
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sub lock_tfa_config {
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my ($code, $errmsg) = @_;
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my $res = cfs_lock_file("priv/tfa.cfg", undef, $code);
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if (my $err = $@) {
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$errmsg ? die "$errmsg: $err" : die $err;
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}
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return $res;
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}
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my $cache_read_key = sub {
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my ($type) = @_;
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@ -1720,6 +1731,10 @@ my $USER_CONTROLLED_TFA_TYPES = {
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oath => 1,
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};
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sub assert_new_tfa_config_available() {
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# FIXME: Assert cluster-wide new-tfa-config support!
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}
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sub user_get_tfa : prototype($$$) {
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my ($username, $realm, $new_format) = @_;
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