/lib/network/ppp.sh fixes a problem with PPtP (and other PPP-based things) where...

[openwrt/svn-archive/archive.git] / package / ppp / files / ppp.sh

diff --git a/package/ppp/files/ppp.sh b/package/ppp/files/ppp.sh
index 23fcb89ffd0b45c4e625f32a02a20da8c9215394..62f584fa8820ad8877f2d0b7eb060c8ee758b6e7 100644 (file)
--- a/package/ppp/files/ppp.sh
+++ b/package/ppp/files/ppp.sh
@@ -1,15 +1,44 @@
 scan_ppp() {
        config_get ifname "$1" ifname
        pppdev="${pppdev:-0}"
-       config_get unit "$1" unit
-       [ -z "$unit" ] && {
-               unit="$pppdev"
-               if [ "${ifname%%[0-9]*}" = ppp ]; then
-                       unit="${ifname##ppp}"
-                       [ "$pppdev" -le "$unit" ] && pppdev="$(($unit + 1))"
-               else
-                       pppdev="$(($pppdev + 1))"
-               fi
+       config_get devunit "$1" unit
+       {
+               unit=
+               pppif=
+               if [ ! -d /tmp/.ppp-counter ]; then
+                    mkdir -p /tmp/.ppp-counter
+               fi
+               local maxunit
+               maxunit="$(cat /tmp/.ppp-counter/max-unit 2>/dev/null)" 
+               if [ -z "$maxunit" ]; then
+                   maxunit=-1
+               fi
+               local i
+               i=0
+               while [ $i -le $maxunit ]; do
+                    local unitdev
+                    unitdev="$(cat /tmp/.ppp-counter/ppp${i} 2>/dev/null)"
+                    if [ "$unitdev" = "$1" ]; then
+                         unit="$i"
+                         pppif="ppp${i}"
+                         break
+                    fi
+                    i="$(($i + 1))"
+               done 
+               if [ -z "$unit" ] || [ -z "$pppif" ]; then
+                   maxunit="$(($maxunit + 1))"
+                   if [ -n "$devunit" ]; then
+                       unit="$devunit"
+                   elif [ "${ifname%%[0-9]*}" = ppp ]; then
+                        unit="${ifname##ppp}"
+                   else
+                        unit="$maxunit"
+                   fi 
+                   [ "$maxunit" -lt "$unit" ] && maxunit="$unit"
+                   pppif="ppp${unit}"
+                   echo "$1" >/tmp/.ppp-counter/$pppif 2>/dev/null
+                   echo "$maxunit" >/tmp/.ppp-counter/max-unit 2>/dev/null
+               fi
                config_set "$1" ifname "ppp$unit"
                config_set "$1" unit "$unit"
        }