package/libs/sysfsutils/files/sysfsutils

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2017 Rodolfo Giometti <giometti@enneenne.com>
   3 #
   4 # Based on Debian's script /etc/init.d/sysfsutils by
   5 # Martin Pitt <mpitt@debian.org>
   6
   7 load_conffile() {
   8         FILE="$1"
   9         sed  's/#.*$//; /^[[:space:]]*$/d;
  10           s/^[[:space:]]*\([^=[:space:]]*\)[[:space:]]*\([^=[:space:]]*\)[[:space:]]*=[[:space:]]*\(.*\)/\1 \2 \3/' \
  11           $FILE | {
  12         while read f1 f2 f3; do
  13                 if [ "$f1" = "mode" -a -n "$f2" -a -n "$f3" ]; then
  14                         if [ -f "/sys/$f2" ] || [ -d "/sys/$f2" ]; then
  15                                 chmod "$f3" "/sys/$f2"
  16                         else
  17                                 echo "unknown attribute $f2"
  18                         fi
  19                 elif [ "$f1" = "owner" -a -n "$f2" -a -n "$f3" ]; then
  20                         if [ -f "/sys/$f2" ]; then
  21                                 chown "$f3" "/sys/$f2"
  22                         else
  23                                 echo "unknown attribute $f2"
  24                         fi
  25                 elif [ "$f1" -a -n "$f2" -a -z "$f3" ]; then
  26                         if [ -f "/sys/$f1" ]; then
  27                                 # Some fields need a terminating newline, others
  28                                 # need the terminating newline to be absent :-(
  29                                 echo -n "$f2" > "/sys/$f1" 2>/dev/null ||
  30                                         echo "$f2" > "/sys/$f1"
  31                         else
  32                                 echo "unknown attribute $f1"
  33                         fi
  34                 else
  35                         echo "syntax error in $CONFFILE: '$f1' '$f2' '$f3'"
  36                         exit 1
  37                 fi
  38         done
  39         }
  40 }
  41
  42 START=11
  43 start() {
  44         for file in /etc/sysfs.conf /etc/sysfs.d/*.conf; do
  45                 [ -r "$file" ] || continue
  46                 load_conffile "$file"
  47         done
  48 }