- markus@cvs.openbsd.org 2003/01/23 13:50:27
     [authfd.c authfd.h readpass.c ssh-add.1 ssh-add.c ssh-agent.c]
     ssh-add -c, prompt user for confirmation (using ssh-askpass) when
     private agent key is used; with djm@; test by dugsong@, djm@;
     ok deraadt@
diff --git a/ssh-add.1 b/ssh-add.1
index 2a34a51..66a8f97 100644
--- a/ssh-add.1
+++ b/ssh-add.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ssh-add.1,v 1.35 2002/06/19 00:27:55 deraadt Exp $
+.\"	$OpenBSD: ssh-add.1,v 1.36 2003/01/23 13:50:27 markus Exp $
 .\"
 .\"  -*- nroff -*-
 .\"
@@ -45,7 +45,7 @@
 .Nd adds RSA or DSA identities to the authentication agent
 .Sh SYNOPSIS
 .Nm ssh-add
-.Op Fl lLdDxX
+.Op Fl lLdDxXc
 .Op Fl t Ar life
 .Op Ar
 .Nm ssh-add
@@ -93,6 +93,14 @@
 The lifetime may be specified in seconds or in a time format
 specified in
 .Xr sshd 8 .
+.It Fl c
+Indicates that added identities should be subject to confirmation before
+being used for authentication. Confirmation is performed by the 
+.Ev SSH_ASKPASS
+program mentioned below. Successful confirmation is signaled by a zero
+exit status from the 
+.Ev SSH_ASKPASS
+program, rather than text entered into the requester.
 .It Fl s Ar reader
 Add key in smartcard
 .Ar reader .