Viewer: Accept OpenSSH-compatible cmd-line aliases

ChangeLog.md

@@ -64,7 +64,11 @@ should now be specified by prefixing the VNC host or the gateway host with the
 username followed by @.  This fixes an issue whereby separate SSH usernames
 could not be specified for the `Server` and `Via` parameters.
 
-9. The TurboVNC Viewer's built-in SSH client now supports jump hosts, i.e.
+9. For compatibility with OpenSSH, the TurboVNC Viewer now accepts `-F`, `-i`,
+and `-p` as command-line aliases for (respectively) the `SSHConfig`,
+`SSHKeyFile`, and `SSHPort` parameters.
+
+10. The TurboVNC Viewer's built-in SSH client now supports jump hosts, i.e.
 multi-hop/multi-level SSH tunneling.  If the `Jump` parameter or the
 `ProxyJump` OpenSSH config file keyword is specified, the viewer now creates an
 intermediate SSH tunnel to the jump host and uses that tunnel to create the
@@ -78,17 +82,20 @@ can be used to specify more than two levels of SSH tunneling.
 template for TCP connections with the `Jump` parameter now takes advantage of
 OpenSSH's ProxyJump feature.
 
-10. The TurboVNC Viewer now supports bump scrolling in full-screen mode, which
+    For compatibility with OpenSSH, the TurboVNC Viewer accepts `-J` as a
+command-line alias for the `Jump` parameter.
+
+11. The TurboVNC Viewer now supports bump scrolling in full-screen mode, which
 addresses a feature regression relative to the native Windows TurboVNC Viewer
 in TurboVNC 2.2.x.  A new parameter (`BumpScroll`) can be used to disable bump
 scrolling and use scrollbars instead.
 
-11. The Mac TurboVNC Viewer now hides the menu bar and dock in full-screen mode
+12. The Mac TurboVNC Viewer now hides the menu bar and dock in full-screen mode
 if bump scrolling is enabled.  Setting the `turbovnc.fshidedock` system
 property to `0` or `1` causes the viewer to always show or always hide the menu
 bar and dock in full-screen mode, irrespective of bump scrolling.
 
-12. The TurboVNC Server and Viewer now implement the Extended Mouse Buttons
+13. The TurboVNC Server and Viewer now implement the Extended Mouse Buttons
 RFB extension, which allows forward and back mouse button events to be
 transmitted to the VNC server.
 

java/com/turbovnc/rfb/Params.java

@@ -1096,6 +1096,10 @@ public void save(String node) {
   "OpenSSH configuration keyword do not allow multiple comma-separated SSH " +
   "hops to be specified.", null);
 
+  private AliasParameter jAlias =
+  new AliasParameter("J", this,
+  "Alias for Jump (for compatibility with OpenSSH)", jump);
+
   public BoolParameter localUsernameLC =
   new BoolParameter("LocalUsernameLC", this, false, false,
   "When the SendLocalUsername parameter is set, or when using SSH " +
@@ -1189,6 +1193,10 @@ public void save(String node) {
   "TurboVNC Viewer parameters take precedence over the OpenSSH " +
   "configuration file.", Utils.getHomeDir() + ".ssh/config");
 
+  private AliasParameter fAlias =
+  new AliasParameter("F", this,
+  "Alias for SSHConfig (for compatibility with OpenSSH)", sshConfig);
+
   public StringParameter sshKey =
   new StringParameter("SSHKey", this, false, false,
   "When using the built-in SSH client with the publickey SSH authentication " +
@@ -1222,6 +1230,10 @@ public void save(String node) {
   "SSHKey parameter, and the IdentityFile OpenSSH configuration keyword are " +
   "not specified", null);
 
+  private AliasParameter iAlias =
+  new AliasParameter("i", this,
+  "Alias for SSHKeyFile (for compatibility with OpenSSH)", sshKeyFile);
+
   public StringParameter sshKeyPass =
   new StringParameter("SSHKeyPass", this, false, false,
   "When using the built-in SSH client with the publickey SSH authentication " +
@@ -1234,6 +1246,10 @@ public void save(String node) {
   "port on which the VNC host's or gateway host's SSH server is listening.  " +
   "This parameter does not apply to jump hosts.", 22, 0, 65535);
 
+  private AliasParameter pAlias =
+  new AliasParameter("p", this,
+  "Alias for SSHPort (for compatibility with OpenSSH)", sshPort);
+
   public BoolParameter tunnel =
   new BoolParameter("Tunnel", this, true, false,
   "Setting this parameter is equivalent to using the Via parameter with an " +