Allow additional flags to be passed to netstat -i in the daily status check.

In particular, this allows an administrator to specify "-h" for human
readable output if that is preferred.

The default setting passes "-d", so that can be excluded by using a custom
setting.

Differential Revision:	https://reviews.freebsd.org/D2034
Submitted by:	Lystopad Aleksandr <laa@laa.zp.ua>
		(patch to add option for -h)
Reviewed by:	bz
MFC after:	1 week

etc/defaults/periodic.conf

@@ -113,6 +113,7 @@ daily_status_gconcat_enable="NO"			# Check gconcat(8)
 # 420.status-network
 daily_status_network_enable="YES"			# Check network status
 daily_status_network_usedns="YES"			# DNS lookups are ok
+daily_status_network_netstat_flags="-d"			# netstat(1) flags
 
 # 430.status-rwho
 daily_status_rwho_enable="YES"				# Check system status

etc/periodic/daily/420.status-network

@@ -16,12 +16,14 @@ case "$daily_status_network_enable" in
 	echo ""
 	echo "Network interface status:"
 
+	flags="${daily_status_network_netstat_flags}"
 	case "$daily_status_network_usedns" in
 	    [Yy][Ee][Ss])
-		netstat -id && rc=0 || rc=3;;
+		;;
 	    *)
-		netstat -idn && rc=0 || rc=3;;
+		flags="${flags} -n";;
-	esac;;
+	esac
+	netstat -i ${flags} && rc=0 || rc=3;;
 
     *)  rc=0;;
 esac

share/man/man5/periodic.conf.5

@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd March 13, 2015
+.Dd March 26, 2015
 .Dt PERIODIC.CONF 5
 .Os
 .Sh NAME
@@ -401,6 +401,16 @@ Set to
 .Dq Li YES
 if you want to run
 .Nm netstat Fl i .
+.It Va daily_status_network_netstat_flags
+.Pq Vt str
+Set to additional arguments for the
+.Xr netstat 1
+utility when
+.Va daily_status_network_enable
+is set to
+.Dq Li YES .
+The default is
+.Fl d .
 .It Va daily_status_network_usedns
 .Pq Vt bool
 Set to