use strict;
use warnings;
+use PVE::Exception qw(raise raise_perm_exc);
use PVE::SafeSyslog;
use PVE::RPCEnvironment;
use PVE::Cluster qw(cfs_read_file);
path => '',
method => 'GET',
description => "Directory index.",
+ permissions => {
+ user => 'all',
+ },
parameters => {
additionalProperties => 0,
properties => {},
}
push @$res, { subdir => 'ticket' };
+ push @$res, { subdir => 'password' };
return $res;
}});
my $verify_auth = sub {
- my ($rpcenv, $username, $pw_or_ticket, $path, $privs) = @_;
+ my ($rpcenv, $username, $pw_or_ticket, $otp, $path, $privs) = @_;
my $normpath = PVE::AccessControl::normalize_path($path);
} elsif (PVE::AccessControl::verify_vnc_ticket($pw_or_ticket, $username, $normpath, 1)) {
# valid vnc ticket
} else {
- $username = PVE::AccessControl::authenticate_user($username, $pw_or_ticket);
+ $username = PVE::AccessControl::authenticate_user($username, $pw_or_ticket, $otp);
}
my $privlist = [ PVE::Tools::split_list($privs) ];
};
my $create_ticket = sub {
- my ($rpcenv, $username, $pw_or_ticket) = @_;
+ my ($rpcenv, $username, $pw_or_ticket, $otp) = @_;
my $ticketuser;
if (($ticketuser = PVE::AccessControl::verify_ticket($pw_or_ticket, 1)) &&
($ticketuser eq 'root@pam' || $ticketuser eq $username)) {
# valid ticket. Note: root@pam can create tickets for other users
} else {
- $username = PVE::AccessControl::authenticate_user($username, $pw_or_ticket);
+ $username = PVE::AccessControl::authenticate_user($username, $pw_or_ticket, $otp);
}
my $ticket = PVE::AccessControl::assemble_ticket($username);
};
};
+my $compute_api_permission = sub {
+ my ($rpcenv, $authuser) = @_;
+
+ my $usercfg = $rpcenv->{user_cfg};
+
+ my $res = {};
+ my $priv_re_map = {
+ vms => qr/VM\.|Permissions\.Modify/,
+ access => qr/(User|Group)\.|Permissions\.Modify/,
+ storage => qr/Datastore\.|Permissions\.Modify/,
+ nodes => qr/Sys\.|Permissions\.Modify/,
+ dc => qr/Sys\.Audit/,
+ };
+ map { $res->{$_} = {} } keys %$priv_re_map;
+
+ my $required_paths = ['/', '/nodes', '/access/groups', '/vms', '/storage'];
+
+ my $checked_paths = {};
+ foreach my $path (@$required_paths, keys %{$usercfg->{acl}}) {
+ next if $checked_paths->{$path};
+ $checked_paths->{$path} = 1;
+
+ my $path_perm = $rpcenv->permissions($authuser, $path);
+
+ my $toplevel = ($path =~ /^\/(\w+)/) ? $1 : 'dc';
+ if ($toplevel eq 'pool') {
+ foreach my $priv (keys %$path_perm) {
+ if ($priv =~ m/^VM\./) {
+ $res->{vms}->{$priv} = 1;
+ } elsif ($priv =~ m/^Datastore\./) {
+ $res->{storage}->{$priv} = 1;
+ } elsif ($priv eq 'Permissions.Modify') {
+ $res->{storage}->{$priv} = 1;
+ $res->{vms}->{$priv} = 1;
+ }
+ }
+ } else {
+ my $priv_regex = $priv_re_map->{$toplevel} // next;
+ foreach my $priv (keys %$path_perm) {
+ next if $priv !~ m/^($priv_regex)/;
+ $res->{$toplevel}->{$priv} = 1;
+ }
+ }
+ }
+
+ return $res;
+};
+
+__PACKAGE__->register_method ({
+ name => 'get_ticket',
+ path => 'ticket',
+ method => 'GET',
+ permissions => { user => 'world' },
+ description => "Dummy. Useful for formatters which want to provide a login page.",
+ parameters => {
+ additionalProperties => 0,
+ },
+ returns => { type => "null" },
+ code => sub { return undef; }});
+
__PACKAGE__->register_method ({
name => 'create_ticket',
path => 'ticket',
method => 'POST',
- permissions => { user => 'world' },
+ permissions => {
+ description => "You need to pass valid credientials.",
+ user => 'world'
+ },
protected => 1, # else we can't access shadow files
description => "Create or verify authentication ticket.",
parameters => {
description => "User name",
type => 'string',
maxLength => 64,
+ completion => \&PVE::AccessControl::complete_username,
},
realm => get_standard_option('realm', {
description => "You can optionally pass the realm using this parameter. Normally the realm is simply added to the username <username>\@<relam>.",
- optional => 1}),
+ optional => 1,
+ completion => \&PVE::AccessControl::complete_realm,
+ }),
password => {
description => "The secret password. This can also be a valid ticket.",
type => 'string',
},
+ otp => {
+ description => "One-time password for Two-factor authentication.",
+ type => 'string',
+ optional => 1,
+ },
path => {
description => "Verify ticket, and check if user have access 'privs' on 'path'",
type => 'string',
my $rpcenv = PVE::RPCEnvironment::get();
my $res;
-
eval {
# test if user exists and is enabled
$rpcenv->check_user_enabled($username);
if ($param->{path} && $param->{privs}) {
- $res = &$verify_auth($rpcenv, $username, $param->{password},
+ $res = &$verify_auth($rpcenv, $username, $param->{password}, $param->{otp},
$param->{path}, $param->{privs});
} else {
- $res = &$create_ticket($rpcenv, $username, $param->{password});
+ $res = &$create_ticket($rpcenv, $username, $param->{password}, $param->{otp});
}
};
if (my $err = $@) {
my $clientip = $rpcenv->get_client_ip() || '';
syslog('err', "authentication failure; rhost=$clientip user=$username msg=$err");
- die $err;
+ # do not return any info to prevent user enumeration attacks
+ die PVE::Exception->new("authentication failure\n", code => 401);
}
+ $res->{cap} = &$compute_api_permission($rpcenv, $username);
+
PVE::Cluster::log_msg('info', 'root@pam', "successful auth for user '$username'");
return $res;
}});
+__PACKAGE__->register_method ({
+ name => 'change_password',
+ path => 'password',
+ method => 'PUT',
+ permissions => {
+ description => "Each user is allowed to change his own password. A user can change the password of another user if he has 'Realm.AllocateUser' (on the realm of user <userid>) and 'User.Modify' permission on /access/groups/<group> on a group where user <userid> is member of.",
+ check => [ 'or',
+ ['userid-param', 'self'],
+ [ 'and',
+ [ 'userid-param', 'Realm.AllocateUser'],
+ [ 'userid-group', ['User.Modify']]
+ ]
+ ],
+ },
+ protected => 1, # else we can't access shadow files
+ description => "Change user password.",
+ parameters => {
+ additionalProperties => 0,
+ properties => {
+ userid => get_standard_option('userid', {
+ completion => \&PVE::AccessControl::complete_username,
+ }),
+ password => {
+ description => "The new password.",
+ type => 'string',
+ minLength => 5,
+ maxLength => 64,
+ },
+ }
+ },
+ returns => { type => "null" },
+ code => sub {
+ my ($param) = @_;
+
+ my $rpcenv = PVE::RPCEnvironment::get();
+ my $authuser = $rpcenv->get_user();
+
+ my ($userid, $ruid, $realm) = PVE::AccessControl::verify_username($param->{userid});
+
+ $rpcenv->check_user_exist($userid);
+
+ if ($authuser eq 'root@pam') {
+ # OK - root can change anything
+ } else {
+ if ($authuser eq $userid) {
+ $rpcenv->check_user_enabled($userid);
+ # OK - each user can change its own password
+ } else {
+ # only root may change root password
+ raise_perm_exc() if $userid eq 'root@pam';
+ # do not allow to change system user passwords
+ raise_perm_exc() if $realm eq 'pam';
+ }
+ }
+
+ PVE::AccessControl::domain_set_password($realm, $ruid, $param->{password});
+
+ PVE::Cluster::log_msg('info', 'root@pam', "changed password for user '$userid'");
+
+ return undef;
+ }});
+
1;
projects / pve-access-control.git / blobdiff