Function _run

pwnlib/asm.py:421–450

(cmd, stdin = None)

    return arch

def _run(cmd, stdin = None):
    log.debug('%s', subprocess.list2cmdline(cmd))
    try:
        proc = subprocess.Popen(
            cmd,
            stdin  = subprocess.PIPE,
            stdout = subprocess.PIPE,
            stderr = subprocess.PIPE,
            universal_newlines = True
        )
        stdout, stderr = proc.communicate(stdin)
        exitcode = proc.wait()
    except OSError as e:
        if e.errno == errno.ENOENT:
            log.exception('Could not run %r the program', cmd[0])
        else:
            raise

    if (exitcode, stderr) != (0, ''):
        msg = 'There was an error running %r:\n'
        args = cmd,
        if exitcode != 0:
            msg += 'It had the exitcode %d.\n'
            args += exitcode,
        if stderr != '':
            msg += 'It had this on stdout:\n%s\n'
            args += stderr,
        log.error(msg, *args)

    return stdout

@LocalContext
def cpp(shellcode):