From 856b3e0562dba2042aa1e375de15690197e0a75a Mon Sep 17 00:00:00 2001
From: Darren 'Tadgy' Austin <darren@afterdark.org.uk>
Date: Tue, 17 Nov 2020 21:21:06 +0000
Subject: Update VLAN syntax checking.  Add quotes in rc.inet1.conf.

---
 netconfig | 35 +++++++++++++++++++++++------------
 1 file changed, 23 insertions(+), 12 deletions(-)

(limited to 'netconfig')

diff --git a/netconfig b/netconfig
index f314c4e..210c8a4 100644
--- a/netconfig
+++ b/netconfig
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # A script to do basic network configuration.
 # Mostly written by Patrick Volkerding <volkerdi@slackware.com>.
 # Modified to use /etc/rc.d/rc.inet1.conf Tue Aug 26 16:51:48 PDT 2003 <pjv>
@@ -229,7 +229,7 @@ GATEWAY6="$GATEWAY6"
 #MTU[4]=""                      # The default MTU is 1500, but you might need
                                 # 1360 when you use NAT'ed IPSec traffic.
 #PROMISCUOUS[4]="yes"           # Set promiscuous mode on the interface.
-#DHCP_TIMEOUT[4]=15             # The default timeout for the DHCP client to
+#DHCP_TIMEOUT[4]="15"           # The default timeout for the DHCP client to
                                 # wait for server resonse is 15 seconds, but
                                 # you might want a shorter or longer wait.
 #DHCP_KEEPRESOLV[4]="yes"       # If you don't want /etc/resolv.conf overwritten
@@ -248,7 +248,7 @@ GATEWAY6="$GATEWAY6"
                                 # Increase the timeout if required.
 #USE_RA[4]="yes"                # Accept router advertisements even when SLAAC
                                 # is disabled on the interface.
-#WLAN_ESSID[4]=DARKSTAR         # An example of how you can override _any_
+#WLAN_ESSID[4]="DARKSTAR"       # An example of how you can override _any_
                                 # parameter defined in rc.wireless.conf, by
                                 # prepending 'WLAN_' to the parameter's name.
                                 # Useful with multiple wireless interfaces.
@@ -262,7 +262,7 @@ GATEWAY6="$GATEWAY6"
 #WLAN_WPADRIVER[4]="ndiswrapper"# Tell wpa_supplicant to specifically use the
                                 # ndiswrapper driver (if you leave this empty
                                 # the 'wext' driver is used by default)
-#WLAN_WPAWAIT[4]=30             # In case it takes long for the WPA association
+#WLAN_WPAWAIT[4]="30"           # In case it takes long for the WPA association
                                 # to finish, you can increase the wait time
                                 # (defaults to 10 seconds)
 
@@ -480,21 +480,32 @@ dialog --title "CONNECT VIA VLAN" --defaultno --yesno \
 "Some advanced networking set ups require a VLAN ID in order to \
 connect to the network.  Do you wish to configure a VLAN now? \n\n\
 Unless you are sure you require a VLAN, select 'No'." 8 68
-if [ $? = 0 ]; then
+ERRNO="$?"
+if [ "$ERRNO" = "255" ]; then
+  exit
+elif [ "$ERRNO" = "1" ]; then
+  true
+else
   while true; do
     dialog --title "VLAN ID" --cancel-label "Skip" --inputbox \
-      "Enter the VLAN ID used on this network." 8 45 2>$TMP/reply
-    if [ $? = 0 ]; then
-      if ! (($(cat $TMP/reply))) 2>/dev/null; then
+        "Enter the VLAN ID used on this network:" 8 45 2>$TMP/reply
+    ERRNO="$?"
+    if [ "$ERRNO" = "255" ]; then
+      exit
+    elif [ "$ERRNO" = "1" ]; then
+      break
+    else
+      if [[ ! "$(cat $TMP/reply)" =~ ^[0-9]+$ ]]; then
         dialog --title "VLAN ID" --ok-button "Back" --msgbox \
-          "That doesn't appear to be a valid VLAN ID." 5 46
+            "That doesn't appear to be a valid VLAN ID." 5 46
+        if [ "$?" = "255" ]; then
+          exit
+        fi
         continue
       else
-        VLAN=".`cat $TMP/reply`"
+        VLAN=".$(( 10#$(cat $TMP/reply) ))"
         break
       fi
-    else
-      break
     fi
   done
 fi
-- 
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