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41f63b6e5d
When anyone connects to a PuTTY tool's listening socket - whether it's a user of a local->remote port forwarding, a connection-sharing downstream or a client of Pageant - we'd like to log as much information as we can find out about where the connection came from. To that end, I've implemented a function sk_peer_info() in the socket abstraction, which returns a freeform text string as best it can (or NULL, if it can't get anything at all) describing the thing at the other end of the connection. For TCP connections, this is done using getpeername() to get an IP address and port in the obvious way; for Unix-domain sockets, we attempt SO_PEERCRED (conditionalised on some moderately hairy autoconfery) to get the pid and owner of the peer. I haven't implemented anything for Windows named pipes, but I will if I hear of anything useful. (cherry picked from commit c8f83979a368d10e8def1796cdadd7f8f3bebf74) Conflicts: pageant.c Cherry-picker's notes: the conflict was because the original commit also added a use of the same feature in the centralised Pageant code, which doesn't exist on this branch. Also I had to remove 'const' from the type of the second parameter to wrap_send_port_open(), since this branch hasn't had the same extensive const-fixing as master.
PuTTY README
============
This is the README file for the PuTTY installer distribution. If
you're reading this, you've probably just run our installer and
installed PuTTY on your system.
What should I do next?
----------------------
If you want to use PuTTY to connect to other computers, or use PSFTP
to transfer files, you should just be able to run them from the
Start menu.
If you want to use the command-line-only file transfer utility PSCP,
you will probably want to put the PuTTY installation directory on
your PATH. On Windows 7 and similar versions, you can do this at
Control Panel > System and Security > System > Advanced system
settings > Environment Variables.
Some versions of Windows will refuse to run HTML Help files (.CHM)
if they are installed on a network drive. If you have installed
PuTTY on a network drive, you might want to check that the help file
works properly. If not, see http://support.microsoft.com/kb/896054
for information on how to solve this problem.
What do I do if it doesn't work?
--------------------------------
The PuTTY home web site is
http://www.chiark.greenend.org.uk/~sgtatham/putty/
Here you will find our list of known bugs and pending feature
requests. If your problem is not listed in there, or in the FAQ, or
in the manuals, read the Feedback page to find out how to report
bugs to us. PLEASE read the Feedback page carefully: it is there to
save you time as well as us. Do not send us one-line bug reports
telling us `it doesn't work'.