conf/147681: [network.subr][patch] Add inet6 keyword if it wasn't specified in ifconfig_IF_ipv6

[Yuri Pankov]

>Number:         147681
>Category:       conf
>Synopsis:       [network.subr][patch] Add inet6 keyword if it wasn't specified in ifconfig_IF_ipv6
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Tue Jun 08 07:00:19 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator:     Yuri Pankov
>Release:        FreeBSD 9.0-CURRENT amd64
>Organization:
>Environment:
System: FreeBSD darklight.org.ru 9.0-CURRENT FreeBSD 9.0-CURRENT #0 r208900M
>Description:
Add inet6 keyword if it wasn't specified in ifconfig_IF_ipv6 line (assume that we really want IPv6 address if we specified _ipv6 prefix).
>How-To-Repeat:
>Fix:
--- network.subr.diff begins here ---
Index: head/etc/network.subr
===================================================================
--- head/etc/network.subr	(revision 208900)
+++ head/etc/network.subr	(working copy)
@@ -109,6 +109,9 @@
 			ifconfig_args=`ifconfig_getargs $1 ipv6`
 
 			if [ -n "$ifconfig_args" ]; then
+				# add inet6 keyword if not specified
+				expr "$ifconfig_args" : '^inet6 ' > /dev/null \
+				|| ifconfig_args="inet6 $ifconfig_args"
 				ifconfig $1 $ifconfig_args
 				_cfg=0
 			fi
--- network.subr.diff ends here ---
>Release-Note:
>Audit-Trail:
>Unformatted: