1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
#!/bin/sh
### BEGIN INIT INFO
# Provides: sysfsconf sysfsutils
# Required-Start: mountkernfs
# Should-Start: udev module-init-tools cpufrequtils
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop:
# Short-Description: Set sysfs variables from /etc/sysfs.conf
# Description: Similarly to /etc/init.d/procps.sh, you can configure
# values for sysfs variables (such as power management
# defaults) and /sys file permissions in /etc/sysfs.conf.
### END INIT INFO
# /etc/init.d/sysfsutils:
#
# (c) 2005 Martin Pitt <mpitt@debian.org>
set -e
CONFFILE=/etc/sysfs.conf
CONFDIR=/etc/sysfs.d
if [ ! -r "$CONFFILE" ] && [ ! -d "$CONFDIR" ]; then
exit 0
fi
# shellcheck disable=SC1091
. /lib/lsb/init-functions
load_conffile() {
FILE="$1"
( cat "$FILE"; echo ) |
sed 's/#.*$//; /^[[:space:]]*$/d;
s/^[[:space:]]*\([^=[:space:]]*\)[[:space:]]*\([^=[:space:]]*\)[[:space:]]*=[[:space:]]*\(.*\)/\1 \2 \3/' |
while read -r f1 f2 f3; do
if [ "$f1" = "mode" ] && [ -n "$f2" ] && [ -n "$f3" ]; then
if [ -f "/sys/$f2" ] || [ -d "/sys/$f2" ]; then
chmod "$f3" "/sys/$f2"
else
log_failure_msg "unknown attribute $f2"
fi
elif [ "$f1" = "owner" ] && [ -n "$f2" ] && [ -n "$f3" ]; then
if [ -f "/sys/$f2" ]; then
chown "$f3" "/sys/$f2"
else
log_failure_msg "unknown attribute $f2"
fi
elif [ "$f1" ] && [ -n "$f2" ] && [ -z "$f3" ]; then
for path in /sys/$f1; do
if [ -f "$path" ]; then
# Some fields need a terminating newline, others need the
# terminating newline to be absent. :-(
printf "%s" "$f2" >"$path" 2>/dev/null ||
echo "$f2" >"$path" 2>/dev/null ||
log_failure_msg "cannot write value for attribute $f1"
else
log_failure_msg "unknown attribute $f1"
fi
done
else
log_failure_msg "syntax error in $FILE: '$f1' '$f2' '$f3'"
log_action_end_msg 1
exit 1
fi
done
}
case "$1" in
start|restart|force-reload)
log_action_begin_msg "Setting sysfs variables..."
for file in $CONFFILE "$CONFDIR"/*.conf; do
[ -r "$file" ] || continue
load_conffile "$file"
done
log_action_end_msg 0
;;
status)
;;
stop)
;;
*)
echo "Usage: /etc/init.d/sysfsutils {start|stop|force-reload|restart|status}"
exit 1
;;
esac
|
