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https://github.com/ovh/the-bastion.git
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2c2f723bbb
To avoid having e.g. a group creation interrupted in the middle just because the caller killed their ssh connection while we're still working
76 lines
2.1 KiB
Perl
Executable file
76 lines
2.1 KiB
Perl
Executable file
#! /usr/bin/perl -T
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# vim: set filetype=perl ts=4 sw=4 sts=4 et:
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# NEEDGROUP osh-accountListPasswords
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# SUDOERS %osh-accountListPasswords ALL=(%bastion-users) NOPASSWD:/usr/bin/env perl -T /opt/bastion/bin/helper/osh-accountListPasswords *
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# FILEMODE 0755
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# FILEOWN 0 0
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#>HEADER
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use common::sense;
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use Getopt::Long;
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use File::Basename;
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use lib dirname(__FILE__) . '/../../lib/perl';
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use OVH::Bastion;
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local $| = 1;
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#
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# Globals
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#
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$SIG{'HUP'} = 'IGNORE'; # continue even when attached terminal is closed (we're called with setsid on supported systems anyway)
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$SIG{'PIPE'} = 'IGNORE'; # continue even if osh_info gets a SIGPIPE because there's no longer a terminal
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$ENV{'PATH'} = '/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/pkg/bin';
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my ($self) = $ENV{'SUDO_USER'} =~ m{^([a-zA-Z0-9._-]+)$};
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if (not defined $self) {
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if ($< == 0) {
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$self = 'root';
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}
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else {
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HEXIT('ERR_SUDO_NEEDED', msg => 'This command must be run under sudo');
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}
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}
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# Fetch command options
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my $fnret;
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my ($result, @optwarns);
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my ($account);
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eval {
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local $SIG{__WARN__} = sub { push @optwarns, shift };
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$result = GetOptions("account=s" => sub { $account //= $_[1] });
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};
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if ($@) { die $@ }
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if (!$result) {
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local $" = ", ";
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HEXIT('ERR_BAD_OPTIONS', msg => "Error parsing options: @optwarns");
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}
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if (!$account) {
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HEXIT('ERR_MISSING_PARAMETER', msg => "Missing argument 'account'");
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}
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#<HEADER
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#>RIGHTSCHECK
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if ($self eq 'root') {
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osh_debug "Real root, skipping checks of permissions";
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}
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else {
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# need to perform another security check
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$fnret = OVH::Bastion::is_user_in_group(user => $self, group => "osh-accountListPasswords");
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if (!$fnret) {
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HEXIT('ERR_SECURITY_VIOLATION', msg => "You're not allowed to run this, dear $self");
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}
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}
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#<RIGHTSCHECK
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#>PARAMS:ACCOUNT
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osh_debug("Checking account");
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$fnret = OVH::Bastion::is_bastion_account_valid_and_existing(account => $account);
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$fnret or HEXIT($fnret);
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$account = $fnret->value->{'account'}; # untainted
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#<PARAMS:ACCOUNT
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HEXIT(OVH::Bastion::get_hashes_list(context => 'account', account => $account));
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