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Date: Mon, 28 Jan 2002 18:53:20 -0500 (EST)
From: The Lumpy One <lumpy@the.whole.net>
Reply-To: The Lumpy One <lumpy@the.whole.net>
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Subject: conf/34392: rc.network patch to allow ifconfig aliases to change without renumbering them all
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>Number:         34392
>Category:       conf
>Synopsis:       rc.network patch to allow ifconfig aliases to change without renumbering them all
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          update
>Submitter-Id:   current-users
>Arrival-Date:   Mon Jan 28 16:00:00 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     The Lumpy One
>Release:        FreeBSD 4.3-STABLE i386
>Organization:
The Whole Net
>Environment:
System: FreeBSD the.whole.net 4.3-STABLE FreeBSD 4.3-STABLE #0: Thu Jul 26 00:13:32 EDT 2001 root@the.whole.net:/usr/obj/usr/src/sys/THE-20010726 i386
>Description:
	It seems silly that you have to renumber the ifconfig aliases in
	/etc/rc.conf when you remove one -- because they are number based
	and count up sequentially.
>How-To-Repeat:
	The manpage for rc.conf describes this functionality and the
	script chunk replaced by this patch will clearly function this 
	way.
>Fix:

225,235c225,228
<                 alias=0
<                 while : ; do
<                         eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
<                         if [ -n "${ifconfig_args}" ]; then
<                                 ifconfig ${ifn} ${ifconfig_args} alias
<                                 eval showstat_$ifn=1
<                                 alias=$((${alias} + 1))
<                         else
<                                 break;
<                         fi
<                 done
---
> 		for alias in `set|awk -F= '(/^ifconfig_'${ifn}'_alias/){print $2};'`; do
> 			eval showstat_$ifn=1
> 			ifconfig ${ifn} ${x} alias
> 		done
>Release-Note:
>Audit-Trail:
>Unformatted:

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