socsvn commit: r294696 - soc2013/def/crashdump-head/sbin/dumpon

[def at FreeBSD.org]

Author: def
Date: Tue Dec  1 18:31:08 2015
New Revision: 294696
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=294696

Log:
  Add -k flag description to dumpon(8).

Modified:
  soc2013/def/crashdump-head/sbin/dumpon/dumpon.8

Modified: soc2013/def/crashdump-head/sbin/dumpon/dumpon.8
==============================================================================
--- soc2013/def/crashdump-head/sbin/dumpon/dumpon.8	Tue Dec  1 17:38:52 2015	(r294695)
+++ soc2013/def/crashdump-head/sbin/dumpon/dumpon.8	Tue Dec  1 18:31:08 2015	(r294696)
@@ -37,6 +37,7 @@
 .Sh SYNOPSIS
 .Nm
 .Op Fl v
+.Op Fl k Ar public_key
 .Ar special_file
 .Nm
 .Op Fl v
@@ -56,7 +57,9 @@
 .Pa /etc/rc ,
 controlled by the
 .Dq dumpdev
-variable in the boot time configuration file
+and
+.Dq dumppubkey
+variables in the boot time configuration file
 .Pa /etc/rc.conf .
 .Pp
 The default type of kernel crash dump is the mini crash dump.
@@ -82,6 +85,29 @@
 variable.
 .Pp
 The
+.Op Fl k Ar public_key
+flag causes
+.Nm
+to generate an one-time key for kernel crash dump encryption. The key is
+encrypted using
+.Ar public_key .
+This process is sandboxed using
+.Xr capsicum 4 .
+Both plain and encrypted keys are send to kernel using
+.Dv DIOCSKERNELDUMP
+.Xr ioctl 2 .
+User can specify
+.Ar public_key
+in
+.Dq dumppubkey
+variable defined in
+.Pa /etc/rc.conf
+for use with
+.Pa /etc/rc.d/dumpon
+.Xr rc 8
+script.
+.Pp
+The
 .Fl l
 flag causes
 .Nm