Everyone is always frustrated about how VNC lacks file transfers, an
essential component to remote access solutions. Most people settle for FTP
servers, Networking protocols (MS networking, Novell, etc), mail it to
themselves, store it on an online drive, etc. I have tried the method of
UUencoding files and sending over the clipboard, but that has the tendency
of crashing the session or a computer if it is too large
FTP would be the ideal solution except that it uses at least 2 ports and it
gets irritating to get more than one working when sharing an IP (NAT
scenario) and when the client is behind a firewall.
I came up with a solution. It uses Netcat (the swiss army knife of
networking). On one end it listens on a port, it doesn't matter what port
or which end. The "client" then connects to the server on a specified port.
Once connected, the end sending a file will send through the connection,
an exact copy of a file, it can be binary or plain text. The other end
takes all of the data that it receives and places it in a file. It then
times out after 10 seconds of not receiving any data and disconnects. It is
a very crude way of doing it, there is no status as to how much of the file
is sent, how long it will take, etc but it works when FTP doesn't. It
requires access on both ends to set up the server, whether through VNC or
Telnet. If you want you could make a crude Telnet server with Netcat.
I am working on the windows 9x OS with this project. It should work under
NT/2000 but I don't have then to play around with. It should also work on
the UNIX version of netcat but again I don't have access to it right now.
All it is is some scripts that send the correct command line arguments to
netcat. I'm working on a "wizard" sort of interface using Quick Basic 4.5
(Yes I know BASIC sucks, I'm reading a book on C and will transfer the
program over when I'm done)
It is quite piliminary now but it seems to work. Try it at:
http://www.legolas.ca:8080/rc2.html
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