Sync known_hosts.aug

lib/augeas/lenses/known_hosts.aug

@@ -4,6 +4,9 @@ Module: Known_Hosts
 
 Author: Raphaël Pinson <[email protected]>
 
+About: Reference
+  This lens manages OpenSSH's known_hosts files. See `man 8 sshd` for reference.
+
 About: License
   This file is licenced under the LGPL v2+, like the rest of Augeas.
 
@@ -26,17 +29,35 @@ module Known_Hosts =
 
 autoload xfm
 
+
+(* View: marker
+  The marker is optional, but if it is present then it must be one of
+  “@cert-authority”, to indicate that the line contains a certification
+  authority (CA) key, or “@revoked”, to indicate that the key contained
+  on the line is revoked and must not ever be accepted.
+  Only one marker should be used on a key line.
+*)
+let marker = [ key /@(revoked|cert-authority)/ . Sep.space ]
+
+
+(* View: type
+  Bits, exponent, and modulus are taken directly from the RSA host key;
+  they can be obtained, for example, from /etc/ssh/ssh_host_key.pub.
+  The optional comment field continues to the end of the line, and is not used.
+*)
+let type = [ label "type" . store Rx.neg1 ]
+
+
 (* View: entry
      A known_hosts entry *)
 let entry =
-  let alias = [ label "alias" . store Rx.neg1 ]
-  in [ Util.indent . seq "entry" . store Rx.neg1
+     let alias = [ label "alias" . store Rx.neg1 ]
+  in let key = [ label "key" . store Rx.neg1 ]
+  in [ Util.indent . seq "entry" . marker?
+     . store Rx.neg1
      . (Sep.comma . Build.opt_list alias Sep.comma)?
-     . Sep.space
-     . [ label "type" . store Rx.no_spaces ]
-     . Sep.space
-     . [ label "key" . store Rx.no_spaces ]
-     . Util.eol ]
+     . Sep.space . type . Sep.space . key
+     . Util.comment_or_eol ]
 
 (* View: lns
      The known_hosts lens *)