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 START=11
   8
   9 load_conffile() {
  10         FILE="$1"
  11         sed  's/#.*$//; /^[[:space:]]*$/d;
  12           s/^[[:space:]]*\([^=[:space:]]*\)[[:space:]]*\([^=[:space:]]*\)[[:space:]]*=[[:space:]]*\(.*\)/\1 \2 \3/' \
  13           $FILE | {
  14         while read f1 f2 f3; do
  15                 if [ "$f1" = "mode" -a -n "$f2" -a -n "$f3" ]; then
  16                         if [ -f "/sys/$f2" ] || [ -d "/sys/$f2" ]; then
  17                                 chmod "$f3" "/sys/$f2"
  18                         else
  19                                 echo "unknown attribute $f2"
  20                         fi
  21                 elif [ "$f1" = "owner" -a -n "$f2" -a -n "$f3" ]; then
  22                         if [ -f "/sys/$f2" ]; then
  23                                 chown "$f3" "/sys/$f2"
  24                         else
  25                                 echo "unknown attribute $f2"
  26                         fi
  27                 elif [ "$f1" -a -n "$f2" -a -z "$f3" ]; then
  28                         if [ -f "/sys/$f1" ]; then
  29                                 # Some fields need a terminating newline, others
  30                                 # need the terminating newline to be absent :-(
  31                                 echo -n "$f2" > "/sys/$f1" 2>/dev/null ||
  32                                         echo "$f2" > "/sys/$f1"
  33                         else
  34                                 echo "unknown attribute $f1"
  35                         fi
  36                 else
  37                         echo "syntax error in $CONFFILE: '$f1' '$f2' '$f3'"
  38                         exit 1
  39                 fi
  40         done
  41         }
  42 }
  43
  44 start() {
  45         for file in /etc/sysfs.conf /etc/sysfs.d/*.conf; do
  46                 [ -r "$file" ] || continue
  47                 load_conffile "$file"
  48         done
  49 }