diff options
Diffstat (limited to 'bin/cryptech_runcmd')
| -rwxr-xr-x | bin/cryptech_runcmd | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/bin/cryptech_runcmd b/bin/cryptech_runcmd index 6407043..61f277a 100755 --- a/bin/cryptech_runcmd +++ b/bin/cryptech_runcmd @@ -46,6 +46,7 @@ FPGA_CHUNK_SIZE = 4096 default_pins = {'wheel': 'YouReallyNeedToChangeThisPINRightNowWeAreNotKidding', 'ct': 'ct', } +default_timeout = 2 def parse_args(): """ @@ -68,6 +69,13 @@ def parse_args(): help = "Username to use when logging into the HSM", ) + parser.add_argument("--timeout", + metavar = 'SECONDS', + type = int, + default = default_timeout, + help = "Timeout of commands (seconds)", + ) + parser.add_argument('commands', metavar='CMD', type=str, nargs='+', help='commands to execute') return parser.parse_args() @@ -83,45 +91,45 @@ def _write(dst, data, debug=False): print("Wrote {!r}".format(data)) -def _read(dst, verbose=True): +def _read(dst, args, verbose=True): res = '' - x = dst.read(1) + x = dst.read(args.timeout) while not x: - x = dst.read(1) + x = dst.read(args.timeout) while x: res += x - x = dst.read(1) + x = dst.read(args.timeout) #print ("Read {!r}".format(res)) if verbose: sys.stdout.write(res) return res -def _execute(dst, cmd): +def _execute(dst, cmd, args): global default_pins _write(dst, '\r') - prompt = _read(dst) + prompt = _read(dst, args) if prompt.endswith('Username: '): _write(dst, args.username + "\r") - prompt = _read(dst) + prompt = _read(dst, args) if prompt.endswith('Password: '): pin = default_pins.get(args.username) if not pin: pin = getpass.getpass("{} PIN: ".format(args.username)) _write(dst, pin + '\r') - prompt = _read(dst) + prompt = _read(dst, args) if not prompt.endswith('> '): #sys.stderr.write('Device does not seem to be ready for a file transfer (got {!r})\n'.format(prompt)) return prompt _write(dst, cmd + '\r') - response = _read(dst) + response = _read(dst, args) return response def main(args): global pin - dst = serial.Serial(args.device, 921600, timeout=2) + dst = serial.Serial(args.device, 921600, timeout=args.timeout) for this in args.commands: - _execute(dst, this) + _execute(dst, this, args) dst.close() return True |