{ my $rec = $DB->get('zabbix-proxy') || $DB->new_record('zabbix-proxy', {type => 'service'}); my $pw = $rec->prop('DbPassword'); if (not $pw or length($pw) < 57) { use MIME::Base64 qw(encode_base64); $pw = "not set due to error"; if ( open( RANDOM, "/dev/urandom" ) ) { my $buf; # 57 bytes is a full line of Base64 coding, and contains # 456 bits of randomness - given a perfectly random /dev/random if ( read( RANDOM, $buf, 57 ) != 57 ) { warn("Short read from /dev/random: $!"); } else { $pw = encode_base64($buf); chomp $pw; } close RANDOM; } else { warn "Could not open /dev/urandom: $!"; } $rec->set_prop('DbPassword', $pw); } }