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Programming Guru
Join Date: Apr 2005
Location: Waterloo, Ontario
Posts: 1,890
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Here's an example log of the updated source
-------------------------------
-- FTPy FTP Server in Python --
-------------------------------
Parses raw socket connections to
simulate the FTP environment.
Passive FTP for Knoppix Linux:
command : client >1023 -> server 21
data : client >1023 -> server >1023
Programmed by Aaron Voelker.
Initiating server...
Server initiated.
Awaiting a connection...
Connection created by 127.0.0.1.
Establishing session.
Starting Instruction Loop.
>>> USER ANONYMOUS
<<< 331 User name okay, need password.
>>> PASS IEUSER@
<<< 230 User logged in, proceed.
>>> OPTS UTF8 ON
<<< 502 Command not implemented.
>>> PWD
<<< 257 "/python" is cwd.
>>> CWD /PYTHON/
<<< 250 "/PYTHON" is new cwd.
>>> TYPE A
<<< 200 Type okay.
>>> PASV
<<< 227 Entering Passive Mode (127,0,0,1,9,227)
[Connecting to passive port 2531]
[Connected]
>>> LIST
<<< 150 Data connection accepted from 192.168.0.136:2531; transfer starting.
<<< drwxr-xr-x 5 ftpuser ftpusers 512 Jul 26 2001 bladerunner
drwxr-xr-x 5 ftpuser ftpusers 512 Jul 26 2001 cc1
drwxr-xr-x 5 ftpuser ftpusers 512 Jul 4 2002 ccgold
drwxr-xr-x 5 ftpuser ftpusers 512 Jul 26 2001 dune2
drwxr-xr-x 6 ftpuser ftpusers 512 Jul 26 2001 dune2000
drwxr-xr-x 6 ftpuser ftpusers 512 Oct 8 2002 earthandbeyond
drwxr-xr-x 8 ftpuser ftpusers 512 Jul 4 2002 emperor
drwxr-xr-x 3 ftpuser ftpusers 512 Jul 26 2001 firestorm
drwxr-xr-x 4 ftpuser ftpusers 512 Jan 29 2003 generals
drwxr-xr-x 4 ftpuser ftpusers 512 Jul 26 2001 kyrandia1
drwxr-xr-x 4 ftpuser ftpusers 512 Jul 26 2001 kyrandia2
drwxr-xr-x 4 ftpuser ftpusers 512 Jul 26 2001 kyrandia3
drwxr-xr-x 4 ftpuser ftpusers 512 Jul 26 2001 lands1
drwxr-xr-x 4 ftpuser ftpusers 512 Jul 26 2001 lands2
drwxr-xr-x 4 ftpuser ftpusers 512 Jul 26 2001 lands3
drwxr-xr-x 3 ftpuser ftpusers 512 Jul 26 2001 lionking
drwxr-xr-x 3 ftpuser ftpusers 512 Jul 26 2001 macintosh
drwxr-xr-x 7 ftpuser ftpusers 512 Jul 26 2001 monopoly
drwxr-xr-x 7 ftpuser ftpusers 512 Jul 26 2001 nox
drwxr-xr-x 3 ftpuser ftpusers 512 Jun 27 2002 pirates
drwxr-xr-x 3 ftpuser ftpusers 512 Jul 26 2001 recoil
drwxr-xr-x 6 ftpuser ftpusers 512 Jul 26 2001 redalert
drwxr-xr-x 9 ftpuser ftpusers 512 Apr 3 2002 redalert2
drwxr-xr-x 7 ftpuser ftpusers 512 Jan 29 2003 renegade
drwxr-xr-x 2 ftpuser ftpusers 512 Oct 10 2002 support
-rw-r--r-- 1 ftpuser ftpusers 0 Nov 16 2004 test
drwxr-xr-x 6 ftpuser ftpusers 512 Jul 26 2001 tiberiansun
-rw-r--r-- 1 ftpuser ftpusers 2368 Sep 22 2004 version.txt
drwxr-xr-x 2 ftpuser ftpusers 512 Mar 4 2003 wchat
drwxr-xr-x 3 ftpuser ftpusers 512 Aug 23 2001 youngmerlin
<<< 226 Listing completed.
And here's the updated source:
import socket
import os
class ftp_server:
def __init__(self):
self.host = '192.168.0.136'
self.passive_port = 2531
self.log("""
-------------------------------
-- FTPy FTP Server in Python --
-------------------------------
Parses raw socket connections to
simulate the FTP environment.
Passive FTP for Knoppix Linux:
command : client >1023 -> server 21
data : client >1023 -> server >1023
Programmed by Aaron Voelker.
Initiating server...""")
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sock.bind(('', 21))
self.sock.listen(1)
a = self.passive_port/256
b = self.passive_port%256
self.tuple_port = (a, b)
self.host_join = ','.join(self.host.split('.'))
self.passive = False
self.log("Server initiated.")
def log(self, msg):
f = open("logs.txt", "a")
f.write(msg+'\n')
f.close()
def get(self):
return self.conn.recv(1024).replace('\r', '').replace('\n', '')
def getcwd(self):
return os.getcwd().split(chr(92))[-1]
def put(self, ftr):
x = {
150:" Data connection accepted from %s:%s; transfer starting."%(self.host, self.passive_port),
200:" Type okay.",
220:" %s FTPy Server (Aaron Voelker) ready."%self.host,
226:" Listing completed.",
227:" Entering Passive Mode (%s,%s,%s)"%(self.addr_join, self.tuple_port[0], self.tuple_port[1]),
230:" User logged in, proceed.",
250:' "/%s" is new cwd.'%self.getcwd(),
257:' "/%s" is cwd.'%self.getcwd(),
331:" User name okay, need password.",
502:" Command not implemented.",
551:" Requested action aborted. Page type unknown."
}[ftr]
s = '%s%s\r\n'%(ftr, x)
self.conn.send(s)
return s
def main(self):
self.log("Awaiting a connection...\n")
self.conn, self.addr = self.sock.accept ()
self.addr_join = ','.join(self.addr[0].split('.'))
self.log("Connection created by %s.\nEstablishing session."%self.addr[0])
self.put(220)
self.log("\nStarting Instruction Loop.")
while 1:
# if self.passive:
# try:
# data = self.conn2.recv(1024)
# print data
# except socket.error:
# pass
try:
data = self.get().upper()
except socket.error:
self.log("\n-- Connection Reset, shutting down FTP.\n ")
self.conn.close()
self.sock.shutdown(socket.SHUT_RDWR)
if self.passive:
self.conn2.close()
self.sock2.shutdown(socket.SHUT_RDWR)
raise socket.error
self.log(" >>> %s"%data)
if data[:4] == 'USER': s = 331
elif data[:4] == 'PASS': s = 230
elif data[:3] == 'PWD': s = 257
elif data[:4] == 'TYPE':
s = 200
# self.type = data.split(' ')[-1]
elif data[:4] == 'PASV':
# create passive port
self.sock2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sock2.bind((self.addr[0], self.passive_port))
self.sock2.listen(1)
# self.sock2.settimeout(1)
s = self.put(227)
self.log(" <<< %s"%s)
self.log(" [Connecting to passive port %s]"%self.passive_port)
self.conn2, addr = self.sock2.accept()
self.passive = True
self.log(" [Connected]\n")
s = 0 # don't routine
elif data[:3] == 'CWD':
try:
os.chdir('..%s'%data.split(' ')[-1])
s = 250
except OSError:
s = 551
elif data[:4] == 'LIST':
s = self.put(150)
self.log(" <<< %s"%s)
s = self.passive_do(1)
self.log(" <<< %s"%s)
s = self.put(226)
self.log(" <<< %s"%s)
# print "<<< "+ self.conn2.recv(1024)
s = 0 # don't routine
else: s = 502
if s:
s = self.put(s)
self.log(" <<< %s"%s)
def passive_do(self, id):
if id == 1:
res = """drwxr-xr-x 5 ftpuser ftpusers 512 Jul 26 2001 bladerunner\r\ndrwxr-xr-x 5 ftpuser ftpusers 512 Jul 26 2001 cc1\r\ndrwxr-xr-x 5 ftpuser ftpusers 512 Jul 4 2002 ccgold\r\ndrwxr-xr-x 5 ftpuser ftpusers 512 Jul 26 2001 dune2\r\ndrwxr-xr-x 6 ftpuser ftpusers 512 Jul 26 2001 dune2000\r\ndrwxr-xr-x 6 ftpuser ftpusers 512 Oct 8 2002 earthandbeyond\r\ndrwxr-xr-x 8 ftpuser ftpusers 512 Jul 4 2002 emperor\r\ndrwxr-xr-x 3 ftpuser ftpusers 512 Jul 26 2001 firestorm\r\ndrwxr-xr-x 4 ftpuser ftpusers 512 Jan 29 2003 generals\r\ndrwxr-xr-x 4 ftpuser ftpusers 512 Jul 26 2001 kyrandia1\r\ndrwxr-xr-x 4 ftpuser ftpusers 512 Jul 26 2001 kyrandia2\r\ndrwxr-xr-x 4 ftpuser ftpusers 512 Jul 26 2001 kyrandia3\r\ndrwxr-xr-x 4 ftpuser ftpusers 512 Jul 26 2001 lands1\r\ndrwxr-xr-x 4 ftpuser ftpusers 512 Jul 26 2001 lands2\r\ndrwxr-xr-x 4 ftpuser ftpusers 512 Jul 26 2001 lands3\r\ndrwxr-xr-x 3 ftpuser ftpusers 512 Jul 26 2001 lionking\r\ndrwxr-xr-x 3 ftpuser ftpusers 512 Jul 26 2001 macintosh\r\ndrwxr-xr-x 7 ftpuser ftpusers 512 Jul 26 2001 monopoly\r\ndrwxr-xr-x 7 ftpuser ftpusers 512 Jul 26 2001 nox\r\ndrwxr-xr-x 3 ftpuser ftpusers 512 Jun 27 2002 pirates\r\ndrwxr-xr-x 3 ftpuser ftpusers 512 Jul 26 2001 recoil\r\ndrwxr-xr-x 6 ftpuser ftpusers 512 Jul 26 2001 redalert\r\ndrwxr-xr-x 9 ftpuser ftpusers 512 Apr 3 2002 redalert2\r\ndrwxr-xr-x 7 ftpuser ftpusers 512 Jan 29 2003 renegade\r\ndrwxr-xr-x 2 ftpuser ftpusers 512 Oct 10 2002 support\r\n-rw-r--r-- 1 ftpuser ftpusers 0 Nov 16 2004 test\r\ndrwxr-xr-x 6 ftpuser ftpusers 512 Jul 26 2001 tiberiansun\r\n-rw-r--r-- 1 ftpuser ftpusers 2368 Sep 22 2004 version.txt\r\ndrwxr-xr-x 2 ftpuser ftpusers 512 Mar 4 2003 wchat\r\ndrwxr-xr-x 3 ftpuser ftpusers 512 Aug 23 2001 youngmerlin\r\n"""
self.conn2.send(res)
# self.conn2.send('\r\n') # send blank
return res
while 1:
try:
ftp_server().main()
except socket.error:
print "Rebooting server...\n"
But I still can't quite get it to work. It must be something about the wrong ports.  Yes, the file list is sent through the passive port after attaining a connection. |