Get /proc info from remote server

creeper.py

#!/usr/bin/env python3

import paramiko


def main():
    client = paramiko.client.SSHClient()
    client.load_system_host_keys()
    client.connect('share', username='vadim', compress=True)
    result = exec_remote(client, 'procdata.py')
    print(result)


def exec_remote(client, filename):
    bufsize = -1
    with open(filename, 'r') as stream:
        python_code = stream.read()
    cmd ='sudo python -c "{}"'.format(python_code)
    chan = client.get_transport().open_session()
    chan.get_pty()
    chan.exec_command(cmd)
    output_stream = chan.makefile('r', bufsize)
    exit_code = chan.recv_exit_status()
    output_stream.flush()
    output = output_stream.read().decode('utf-8')
    if exit_code != 0:
        raise RemoteExecError(exit_code, output)
    return output


class RemoteExecError(Exception):
    def __init__(self, exit_code, stderr):
        self.exit_code = exit_code
        self.stderr = stderr
    def __str__(self):
        return repr(self.stderr)

if __name__ == '__main__':
    import sys
    sys.exit(main())

procdata.py

import os
import re

procfs = '/proc'
procre = re.compile(r'\d+')
# magic0044857

def procdirs():
    return [pd for pd in os.listdir(procfs) if procre.match(pd)]

for proc in procdirs():
    try:
        cmdline_file = os.path.join(procfs, proc, 'cmdline')
        with open(cmdline_file, 'r') as stream:
            proccmd = stream.read().decode('utf-8')
        proccmd = proccmd.replace('\0', ' ')
        if 'magic0044857' in proccmd:
            continue
        proccmd = proccmd[:80]
    except OSError:
        continue  # procees has exited for now

    print proccmd or proc
    print '-' * 80

    procfddir = os.path.join(procfs, proc, 'fd')
    try:
        for fd in os.listdir(procfddir):
            try:
                print os.readlink(os.path.join(procfddir, fd))
            except OSError:
                continue
    except OSError:
        pass
    print
    print