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#!/usr/bin/python3
#
# SPDX-License-Identifier: MIT
# Copyright (c) 2020 Daniel Thompson
#
import argparse
import random
import os.path
import pexpect
import time
import string
import sys
def sync(c):
tag = ''.join([random.choice(string.ascii_uppercase) for i in range(6)])
c.send('\x03')
c.expect('>>> ')
c.sendline(f'print("{tag[:3]}""{tag[3:]}")')
c.expect(tag)
c.expect('>>> ')
def unsync(c):
# Set the watch running again
c.sendline('wasp.run()')
def paste(c, f, verbose=False):
for ln in f.readlines():
ln = ln.rstrip()
if not ln.lstrip().startswith('#'):
c.sendline(ln)
c.expect('=== ')
if not verbose:
print('.', end='', flush=True)
def handle_eval(c, cmd):
verbose = bool(c.logfile)
c.send('\x05')
c.expect('=== ')
c.sendline(cmd)
c.expect('=== ')
c.logfile = sys.stdout
c.send('\x04')
c.expect('>>> ')
if not verbose:
c.logfile = None
def handle_exec(c, fname):
verbose = bool(c.logfile)
with open(fname) as f:
if not verbose:
print(f'Preparing to run {fname} ...', end='', flush=True)
c.send('\x05')
c.expect('=== ')
paste(c, f, verbose)
print(' done')
c.logfile = sys.stdout
c.send('\x04')
c.expect('>>> ')
if not verbose:
c.logfile = None
def handle_rtc(c):
# Wait for the clock to tick over to the next second
now = then = time.localtime()
while now[5] == then[5]:
now = time.localtime()
# Set the time
c.sendline(f'watch.rtc.set_localtime(({now[0]}, {now[1]}, {now[2]}, {now[3]}, {now[4]}, {now[5]}, {now[6]}, {now[7]}))')
c.expect('>>> ')
def handle_upload(c, fname):
verbose = bool(c.logfile)
c.sendline('from shell import upload')
c.expect('>>> ')
with open(fname) as f:
if not verbose:
print(f'Uploading {fname} ...', end='', flush=True)
c.sendline(f'upload("{os.path.basename(fname)}")')
c.expect('=== ')
paste(c, f, verbose)
c.send('\x04')
print(' done')
c.expect('>>> ')
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description='WASP command and control client')
parser.add_argument('--console', action='store_true',
help='Launch a REPL session')
parser.add_argument('--device',
help='Connect only to a specific named device')
parser.add_argument('--exec',
help='Execute the contents of a file')
parser.add_argument('--eval',
help='Execute the provided python string')
parser.add_argument('--rtc', action='store_true',
help='Set the time on the WASP device')
parser.add_argument('--upload',
help='Copy the specified file to the WASP device')
parser.add_argument('--verbose', action='store_true',
help='Log interaction with the WASP device')
args = parser.parse_args()
device_name = args.device
pynus = os.path.dirname(sys.argv[0]) + '/pynus/pynus.py'
console = pexpect.spawn(pynus, encoding='UTF-8')
if args.verbose:
console.logfile = sys.stdout
console.expect('Connect')
console.expect('Exit console using Ctrl-X')
time.sleep(0.5)
sync(console)
if args.console:
console.close()
os.execl(pynus, pynus)
if args.eval:
handle_eval(console, args.eval)
if args.exec:
handle_exec(console, args.exec)
if args.upload:
handle_upload(console, args.upload)
if args.rtc:
handle_rtc(console)
unsync(console)
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