On Fri, Dec 16, 2022 at 04:00:40PM -0800, Andrew Hewus Fresh wrote:
> On Wed, Dec 07, 2022 at 07:35:53PM -0800, Andrew Hewus Fresh wrote:
> > On Wed, Dec 07, 2022 at 09:51:51AM -0800, Andrew Hewus Fresh wrote:
> > > On Wed, Dec 07, 2022 at 10:28:05AM +0000, Stuart Henderson wrote:
> > > > On 2022/12/06 19:57, Andrew Hewus Fresh wrote:
> > > > > Which interface do you wish to configure? (name, lladdr, '?', or 
> > > > > 'done') [vio0] ?
> > > > > Available network interfaces are: vio0 vlan0.
> > > > >  vio0: lladdr fe:e1:bb:d1:dd:97
> > > > > Which interface do you wish to configure? (name, lladdr, '?', or 
> > > > > 'done') [vio0] fe:e1:bb:d1:dd:97
> > > > > IPv4 address for vio0? (or 'autoconf' or 'none') [autoconf] 
> > > > > IPv6 address for vio0? (or 'autoconf' or 'none') [none] 
> > > > > Available network interfaces are: vio0 vlan0.
> > > > 
> > > > It doesn't seem right to offer vio0 in the list if it was already
> > > > configured via lladdr?
> > > 
> > > The installer currently allows re-configuring interfaces and deletes the
> > > hostname.if before doing it.  I think the most useful solution is to
> > > check for "the other" configuration for that interface and remove it as
> > > well when reconfiguring.
> > 
> > Here's the next version that cleans up hostname.lladdr when configuring
> > by name and hostname.name when configuring by lladdr.
>  
> This version is mostly just rebasing onto the recent changes to swap
> priority.  There is a little  tidying of variables and such mixed in.
 
Just a couple of minor tidies and such, avoiding some weird constructs
and extra execs.  Some tweaks from kn@.


Index: distrib/miniroot/install.sub
===================================================================
RCS file: /cvs/src/distrib/miniroot/install.sub,v
retrieving revision 1.1217
diff -u -p -r1.1217 install.sub
--- distrib/miniroot/install.sub        16 Dec 2022 17:47:34 -0000      1.1217
+++ distrib/miniroot/install.sub        21 Dec 2022 04:05:42 -0000
@@ -356,7 +356,7 @@ get_ifs() {
        done
 }
 
-# Map an interface to its MAC address if it is unique
+# Map an interface to its MAC address if it is unique.
 if_name_to_lladdr() {
        local _lladdr
 
@@ -365,6 +365,16 @@ if_name_to_lladdr() {
        [[ -n $_lladdr && -n $(ifconfig -M "$_lladdr") ]] && echo $_lladdr
 }
 
+# Print a list of interface names and unique lladdr.
+get_ifs_and_lladdrs() {
+       local _if
+
+       for _if in $(get_ifs); do
+               echo $_if
+               if_name_to_lladdr $_if
+       done
+}
+
 # Return the device name of the disk device $1, which may be a disklabel UID.
 get_dkdev_name() {
        local _dev=${1#/dev/} _d
@@ -1300,7 +1310,8 @@ ieee80211_config() {
 
 # Set up IPv4 and IPv6 interface configuration.
 configure_ifs() {
-       local _first _hn _if _name _p _vi _vn
+       local _first _hn _if _ifs _lladdr _name _p _q _vi _vn
+       resp=
 
        # Always need lo0 configured.
        ifconfig lo0 inet 127.0.0.1/8
@@ -1309,20 +1320,55 @@ configure_ifs() {
        rm -f /tmp/i/mygate
 
        while :; do
+               set -sA _ifs -- $(get_ifs)
+
                # Discover last configured vlan interface and increment its
                # minor for the next offered vlan interface.
-               _vi=$(get_ifs vlan | sed '$!d;s/^vlan//')
+               _vi=
+               for _if in "${_ifs[@]}"; do
+                       [[ $_if = vlan+([[:digit:]]) ]] && _vi=${_if#vlan}
+               done
                [[ -n $_vi ]] && ((_vi++))
-               [[ -n $(get_ifs) ]] && _vn="vlan${_vi:-0}"
+               [[ -n ${_ifs[*]} ]] && _vn="vlan${_vi:-0}"
+
+               echo "Available network interfaces are: ${_ifs[*]} $_vn."
+               if [[ $resp == '?' ]]; then
+                       for _if in "${_ifs[@]}"; do
+                               _lladdr=$(if_name_to_lladdr $_if)
+                               [[ -n $_lladdr ]] && echo " $_if: lladdr 
$_lladdr"
+                       done
+               fi
+
+               _q="Network interface to configure?"
+               ask_until "$_q (name, lladdr, '?', or 'done')" \
+                   ${_p:-$( (get_ifs netboot; get_ifs) | sed q )}
 
-               ask_which "network interface" "do you wish to configure" \
-                       "\$(get_ifs) $_vn" \
-                       ${_p:-'$( (get_ifs netboot; get_ifs) | sed q )'}
                [[ $resp == done ]] && break
+               [[ $resp == '?'  ]] && continue
+
+               # Quote $resp to prevent user from confusing isin() by
+               # entering something like 'a a'.
+               if ! isin "$resp" $(get_ifs_and_lladdrs) $_vn done; then
+                       echo "'$resp' is not a valid choice."
+                       $AI && [[ -n $AI_RESPFILE ]] && exit 1
+                       continue
+               fi
 
                _if=$resp
                _hn=/tmp/i/hostname.$_if
                rm -f $_hn
+
+               # Map lladdr to interface name if needed
+               # and remove duplicate configuration.
+               if [[ $_if == ??:??:??:??:??:?? ]]; then
+                       _lladdr=$_if
+                       _if=$(ifconfig -M $_lladdr)
+                       [[ -z $_if ]] && continue # should not be possible
+                       rm -f /tmp/i/hostname.$_if
+               else
+                       _lladdr=$(if_name_to_lladdr $_if)
+                       [[ -n $_lladdr ]] && rm -f /tmp/i/hostname.$_lladdr
+               fi
 
                # If the offered vlan is chosen, ask the relevant
                # questions and bring it up.

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