the-bastion/bin/helper/osh-selfMFASetupPassword
2022-07-01 10:21:19 +02:00

117 lines
3.6 KiB
Perl
Executable file

#! /usr/bin/perl -T
# vim: set filetype=perl ts=4 sw=4 sts=4 et:
# FILEMODE 0700
# FILEOWN 0 0
#>HEADER
use common::sense;
use Getopt::Long qw(:config no_auto_abbrev no_ignore_case);
use File::Basename;
use lib dirname(__FILE__) . '/../../lib/perl';
use OVH::Result;
use OVH::Bastion;
use OVH::Bastion::Helper;
# Fetch command options
my $fnret;
my ($result, @optwarns);
my ($account, $step);
eval {
local $SIG{__WARN__} = sub { push @optwarns, shift };
$result = GetOptions(
"account=s" => sub { $account //= $_[1] },
"step=i" => sub { $step //= $_[1] },
);
};
if ($@) { die $@ }
if (!$result) {
local $" = ", ";
HEXIT('ERR_BAD_OPTIONS', msg => "Error parsing options: @optwarns");
}
OVH::Bastion::Helper::check_spurious_args();
if (!$account || !defined $step) {
HEXIT('ERR_MISSING_PARAMETER', msg => "Missing argument 'account' or 'step'");
}
#>RIGHTSCHECK
if ($self eq 'root') {
osh_debug "Real root, skipping checks of permissions";
}
elsif ($self ne $account) {
HEXIT('ERR_SECURITY_VIOLATION', msg => "You're not allowed to run this, dear $self");
}
#<RIGHTSCHECK
#>PARAMS:ACCOUNT
osh_debug("Checking account");
$fnret = OVH::Bastion::is_bastion_account_valid_and_existing(account => $account);
$fnret or HEXIT($fnret);
$account = $fnret->value->{'account'}; # untainted
#<PARAMS:ACCOUNT
if ($step == 0) {
# get password status
HEXIT(OVH::Bastion::sys_getpasswordinfo(user => $account));
}
elsif ($step == 1) {
# set a temporary password
my $password = sprintf("%04d-%04d-%04d-%04d", rand(10000), rand(10000), rand(10000), rand(10000));
$fnret = OVH::Bastion::sys_changepassword(user => $account, password => $password);
if (!$fnret) {
if ($fnret->msg) {
warn_syslog("Error when calling sys_changepassword(): " . $fnret->msg);
HEXIT($fnret);
}
# chpasswd can fail if there is a PAM misconfiguration or other
# badly configured subsystem, which can error silently, in which
# case give a hint to the user, as fnret->msg is empty in this case
warn_syslog("Error when calling sys_changepassword(): silent error, misconfigured PAM?");
HEXIT(
R(
'ERR_INTERNAL',
msg => "A system error occurred when attempting to change the password, please check with your sysadmin"
)
);
}
$fnret or HEXIT($fnret);
# force password change in 1 day max (it should be done several seconds after anyway)
$fnret = OVH::Bastion::sys_setpasswordpolicy(
user => $account,
inactiveDays => OVH::Bastion::config('MFAPasswordInactiveDays')->value,
minDays => 0,
maxDays => 1,
warnDays => 1
);
$fnret or HEXIT($fnret);
HEXIT('OK', value => {password => $password});
}
elsif ($step == 2) {
$fnret = OVH::Bastion::sys_addmembertogroup(user => $account, group => OVH::Bastion::MFA_PASSWORD_CONFIGURED_GROUP);
$fnret or HEXIT($fnret);
# now that we have the final password set, apply the bastionwide password policy
$fnret = OVH::Bastion::sys_setpasswordpolicy(
user => $account,
inactiveDays => OVH::Bastion::config('MFAPasswordInactiveDays')->value,
minDays => OVH::Bastion::config('MFAPasswordMinDays')->value,
maxDays => OVH::Bastion::config('MFAPasswordMaxDays')->value,
warnDays => OVH::Bastion::config('MFAPasswordWarnDays')->value
);
$fnret or HEXIT($fnret);
HEXIT('OK');
}
HEXIT('ERR_INVALID_PARAMETER', msg => "Parameter --step expects 0, 1 or 2");