Re: FTP over SSL (explicit encryption)

2005-08-14 Thread David Isaac
Eric Nieuwland [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
 I'm having a look at FTP/S right now. That's a little
 more complicated, but it seems doable.
 If I succeed, I guess I'll donate the stuff as an extension to ftplib.


Just found this:
http://trevp.net/tlslite/
I haven't even had time to try it,
but I thought you'd want to know.

Cheers,
Alan Isaac


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Re: FTP over SSL (explicit encryption)

2005-08-14 Thread David Isaac
  http://www.lag.net/paramiko/

Alan Isaac [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 sock.settimeout(20)
 sock.connect((hostname, port))
 my_t = paramiko.Transport(sock)
 my_t.connect(hostkey=None ,username=username, password=password,
pkey=None)
 my_chan = my_t.open_session()
 my_chan.get_pty()
 my_chan.invoke_shell()
 my_sftp = paramiko.SFTP.from_transport(my_t)

 Now my_sftp is a paramiko sftp_client.
 See paramiko's sftp_client.py to see what it can do.


When it rains it pours. wxSFTP
http://home.gna.org/wxsftp/
 uses paramiko and provides a GUI.

Cheers,
Alan Isaac


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Re: FTP over SSL (explicit encryption)

2005-08-14 Thread Paul Rubin
David Isaac [EMAIL PROTECTED] writes:
 Just found this:
 http://trevp.net/tlslite/
 I haven't even had time to try it,
 but I thought you'd want to know.

Tlslite is a very well done and promising package, but in its present
form it's not really complete.  It's missing important functionality
(the ability to validate certificates) that it relies on complex 3rd
party C libraries to provide.  Hopefully tlslite will be able to do
this by itself sometime soon.
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Re: FTP over SSL (explicit encryption)

2005-08-11 Thread David Isaac
 David Isaac wrote:
  I am looking for a pure Python secure ftp solution.
  Does it exist?

Andrew MacIntyre [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
 I recall coming across an extension package (pretty sure it wasn't pure
 Python anyway, certainly not for the SSL bits) with SFTP - I think the
 name was Paramiko or something like that.

Unfortunately that's SSH2 only.
It is indeed pure Python
http://www.lag.net/paramiko/
However it requires the PyCrypto module.
http://www.amk.ca/python/code/crypto

Can you briefly outline how to use this as a client
to upload and down files from a server using SFTP?

Thanks,
Alan Isaac


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FTP over SSL (explicit encryption)

2005-08-10 Thread David Isaac
I am looking for a pure Python secure ftp solution.
Does it exist?

I would have thought that the existence of OpenSSL
would imply yes but I cannot find anything.

ftplib does not seem to provide any secure services.

I know about fptutil
http://codespeak.net/mailman/listinfo/ftputil
but that does not seem to provide any secure services.
(Btw, Matt Croydon's intro is helpful for newbies:
http://postneo.com/stories/2003/01/01/beyondTheBasicPythonFtplibExample.html
 )

I know about M2Crypto
http://sandbox.rulemaker.net/ngps/m2/
but that requires installing SWIG and OpenSSL.
(If someone tells me they have found this trivial
under Windows, I am willing to try ... )

I would have thought that this was a common need with
a standard Python solution, so I suspect I'm overlooking
something obvious.

Hoping,
Alan Isaac


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Re: FTP over SSL (explicit encryption)

2005-08-10 Thread Eric Nieuwland
David Isaac wrote:
 I am looking for a pure Python secure ftp solution.
 Does it exist?
Do you want SFTP or FTP/S?

 I would have thought that the existence of OpenSSL
 would imply yes but I cannot find anything.

 ftplib does not seem to provide any secure services.
Indeed. If you want SFTP, just make a copy of ftplib and modify so it 
will use an SSL socket instead of a normal socket. After that, only 
some minor point may remain.

 [...]I know about M2Crypto
 http://sandbox.rulemaker.net/ngps/m2/
 but that requires installing SWIG and OpenSSL.
 (If someone tells me they have found this trivial
 under Windows, I am willing to try ... )
I guess SFTP should work on Windows as well.

 I would have thought that this was a common need with
 a standard Python solution, so I suspect I'm overlooking
 something obvious.
AFAIK you're not. I'm having a look at FTP/S right now. That's a little 
more complicated, but it seems doable.
If I succeed, I guess I'll donate the stuff as an extension to ftplib.

--eric

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Re: FTP over SSL (explicit encryption)

2005-08-10 Thread David Isaac

Eric Nieuwland [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
 Do you want SFTP or FTP/S?

The latter.

 I'm having a look at FTP/S right now. That's a little
 more complicated, but it seems doable.
 If I succeed, I guess I'll donate the stuff as an extension to ftplib.

Great!
Please post a link as soon as it is usable!

Thanks,
Alan Isaac


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Re: FTP over SSL (explicit encryption)

2005-08-10 Thread Andrew MacIntyre
David Isaac wrote:
 I am looking for a pure Python secure ftp solution.
 Does it exist?

I recall coming across an extension package (pretty sure it wasn't pure
Python anyway, certainly not for the SSL bits) with SFTP - I think the
name was Paramiko or something like that.

-
Andrew I MacIntyre These thoughts are mine alone...
E-mail: [EMAIL PROTECTED]  (pref) | Snail: PO Box 370
[EMAIL PROTECTED] (alt) |Belconnen ACT 2616
Web:http://www.andymac.org/   |Australia
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