more updates as i pursue service-specific hostnames.

[monkeysphere.git] / man / man1 / monkeysphere-ssh-proxycommand.1

diff --git a/man/man1/monkeysphere-ssh-proxycommand.1 b/man/man1/monkeysphere-ssh-proxycommand.1
index c4196f2b4afbd392272e8dffa40856ec6ebcb9a9..9aad23205de7a01161c4941449f0ba2c02f56232 100644 (file)
--- a/man/man1/monkeysphere-ssh-proxycommand.1
+++ b/man/man1/monkeysphere-ssh-proxycommand.1
@@ -7,10 +7,16 @@ monkeysphere-ssh-proxycommand \- MonkeySphere ssh ProxyCommand script
 .SH DESCRIPTION
 
 \fBmonkeysphere-ssh-proxy\fP is an ssh proxy command that can be used
 .SH DESCRIPTION
 
 \fBmonkeysphere-ssh-proxy\fP is an ssh proxy command that can be used

-to trigger a monkeysphere update of the known_hosts file for the hosts
-that are being connected to.  It is meant to be run as an ssh
-ProxyCommand.  This can either be done by specifying the proxy command
-on the command line:
+to trigger a monkeysphere update of the ssh known_hosts file for a
+host that is being connected to with ssh.  This works by updating the
+known_hosts file for the host first, before an attempted connection to
+the host is made.  Once the known_hosts file has been updated, a TCP
+connection to the host is made by exec'ing netcat(1).  Regular ssh
+communication is then done over this netcat TCP connection (see
+ProxyCommand in ssh_config(5) for more info).
+
+This command is meant to be run as the ssh "ProxyCommand".  This can
+either be done by specifying the proxy command on the command line:

 
 .B ssh -o ProxyCommand="monkeysphere-ssh-proxycommand %h %p" ...
 
 
 .B ssh -o ProxyCommand="monkeysphere-ssh-proxycommand %h %p" ...
 


@@ -19,12 +25,14 @@ or by adding the following line to your ~/.ssh/config script:
 .B ProxyCommand monkeysphere-ssh-proxycommand %h %p
 
 The script can easily be incorporated into other ProxyCommand scripts
 .B ProxyCommand monkeysphere-ssh-proxycommand %h %p
 
 The script can easily be incorporated into other ProxyCommand scripts

-by calling it with the "--no-connect" option, ie:
+by calling it with the "--no-connect" option, i.e.:

 
 .B monkeysphere-ssh-proxycommand --no-connect "$HOST" "$PORT"
 
 
 .B monkeysphere-ssh-proxycommand --no-connect "$HOST" "$PORT"
 

-This will run everything but will not exec netcat to make the tcp
-connection to the host.
+This will run everything except the final exec of netcat to make the
+TCP connection to the host.  In this way this command can be added to
+another proxy command that does other stuff, and then makes the
+connection to the host itself.

 
 .SH KEYSERVER CHECKING
 
 
 .SH KEYSERVER CHECKING
 


@@ -32,15 +40,24 @@ The proxy command has a fairly nuanced policy for when keyservers are
 queried when processing host.  If the host userID is not found in
 either the user's keyring or in the known_hosts file, then the
 keyserver is queried for the host userID.  If the host userID is found
 queried when processing host.  If the host userID is not found in
 either the user's keyring or in the known_hosts file, then the
 keyserver is queried for the host userID.  If the host userID is found

-in the user's keyring, then the keyserver is not checked.  This is
-because...  If the host userID is not found in the user's keyring, but
-the host is listed in the known_hosts file, then defered check is
-scheduled.
+in the user's keyring, then the keyserver is not checked.  This
+assumes that the keyring is kept up-to-date, in a cronjob or the like,
+so that revocations are properly handled.  If the host userID is not
+found in the user's keyring, but the host is listed in the known_hosts
+file, then the keyserver is not checked.  This last policy might
+change in the future, possibly by adding a deferred check, so that
+hosts that go from non-monkeysphere-enabled to monkeysphere-enabled
+will be properly checked.

 
 .SH ENVIRONMENT VARIABLES
 
 
 .SH ENVIRONMENT VARIABLES
 

+All environment variables defined in monkeysphere(1) can also be used
+for the proxy command, with one note:
+

 .TP
 .TP

-KEYSERVER The keyserver to query.
+MONKEYSPHERE_CHECK_KEYSERVER
+Setting this variable (to `true' or `false') will override the policy
+defined in KEYSERVER CHECKING above.

 
 .SH AUTHOR
 
 
 .SH AUTHOR
 


@@ -48,6 +65,8 @@ Written by Jameson Rollins <jrollins@fifthhorseman.net>
 
 .SH SEE ALSO
 
 
 .SH SEE ALSO
 

-.BR monkeypshere (1),
+.BR monkeysphere (1),

 .BR ssh (1),
 .BR ssh (1),

+.BR ssh_config (5),
+.BR netcat (1),

 .BR gpg (1)
 .BR gpg (1)