Gecko [ www.75571699-36-20220316152901.webstarterz.com ]

Name	Size	Permission
devices	[ DIR ]	drwxr-xr-x
keymaps	[ DIR ]	drwxr-xr-x
rules.d	[ DIR ]	drwxr-xr-x
ata_id	30.02 KB	-rwxr-xr-x
cdrom_id	38.02 KB	-rwxr-xr-x
collect	14.03 KB	-rwxr-xr-x
console_check	7.3 KB	-rwxr-xr-x
console_init	11.78 KB	-rwxr-xr-x
create_floppy_devices	50.24 KB	-rwxr-xr-x
edd_id	22.02 KB	-rwxr-xr-x
findkeyboards	1.75 KB	-rwxr-xr-x
firmware.sh	745 B	-rwxr-xr-x
fstab_import	22.02 KB	-rwxr-xr-x
fw_unit_symlinks.sh	686 B	-rwxr-xr-x
hid2hci	42.03 KB	-rwxr-xr-x
keyboard-force-release.sh	502 B	-rwxr-xr-x
keymap	66.02 KB	-rwxr-xr-x
modem-modeswitch	22.4 KB	-rwxr-xr-x
mpath-iosched.sh	754 B	-rwxr-xr-x
path_id	42.03 KB	-rwxr-xr-x
pci-db	38.03 KB	-rwxr-xr-x
pcmcia-check-broken-cis	10.75 KB	-rwxr-xr-x
pcmcia-socket-startup	40.19 KB	-rwxr-xr-x
rename_device	9.52 KB	-rwxr-xr-x
rule_generator.functions	2.33 KB	-rw-r--r--
sas_path_id	38.03 KB	-rwxr-xr-x
scsi_id	34.55 KB	-rwxr-xr-x
tuned-mpath-iosched	953 B	-rwxr-xr-x
tuned-request-ktune-restart	193 B	-rwxr-xr-x
udev-acl	46.03 KB	-rwxr-xr-x
udev-kvm-check	1.09 KB	-rwxr-xr-x
usb-db	38.03 KB	-rwxr-xr-x
usb_id	46.05 KB	-rwxr-xr-x
v4l_id	10.02 KB	-rwxr-xr-x
write_cd_rules	2.64 KB	-rwxr-xr-x
write_net_rules	4.63 KB	-rwxr-xr-x

Code Editor : write_cd_rules

#!/bin/sh -e

# This script is run if an optical drive lacks a rule for persistent naming.
#
# It adds symlinks for optical drives based on the device class determined
# by cdrom_id and used ID_PATH to identify the device.
#
# (C) 2006 Marco d'Itri <md@Linux.IT>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation version 2 of the License.

# debug, if UDEV_LOG=<debug>
if [ -n "$UDEV_LOG" ]; then
	if [ "$UDEV_LOG" -ge 7 ]; then
		set -x
	fi
fi

RULES_FILE="/etc/udev/rules.d/70-persistent-cd.rules"

. /lib/udev/rule_generator.functions

find_next_available() {
	raw_find_next_available "$(find_all_rules 'SYMLINK\+=' "$1")"
}

write_rule() {
	local match="$1"
	local link="$2"
	local comment="$3"

{
	if [ "$PRINT_HEADER" ]; then
		PRINT_HEADER=
		echo "# This file was automatically generated by the $0"
		echo "# program, run by the cd-aliases-generator.rules rules file."
		echo "#"
		echo "# You can modify it, as long as you keep each rule on a single"
		echo "# line, and set the \$GENERATED variable."
		echo ""
	fi

[ "$comment" ] && echo "# $comment"
	echo "$match, SYMLINK+=\"$link\", ENV{GENERATED}=\"1\""
	} >> $RULES_FILE
	SYMLINKS="$SYMLINKS $link"
}

if [ -z "$DEVPATH" ]; then
	echo "Missing \$DEVPATH." >&2
	exit 1
fi
if [ -z "$ID_CDROM" ]; then
	echo "$DEVPATH is not a CD reader." >&2
	exit 1
fi

if [ "$1" ]; then
	METHOD="$1"
else
	METHOD='by-path'
fi

case "$METHOD" in
	by-path)
	if [ -z "$ID_PATH" ]; then
		echo "$DEVPATH not supported by path_id. by-id may work." >&2
		exit 1
	fi
	RULE="ENV{ID_PATH}==\"$ID_PATH\""
	;;

by-id)
	if [ "$ID_SERIAL" ]; then
		RULE="ENV{ID_SERIAL}==\"$ID_SERIAL\""
	elif [ "$ID_MODEL" -a "$ID_REVISION" ]; then
		RULE="ENV{ID_MODEL}==\"$ID_MODEL\", ENV{ID_REVISION}==\"$ID_REVISION\""
	else
		echo "$DEVPATH not supported by ata_id. by-path may work." >&2
		exit 1
	fi
	;;

*)
	echo "Invalid argument (must be either by-path or by-id)." >&2
	exit 1
	;;
esac

# Prevent concurrent processes from modifying the file at the same time.
lock_rules_file

# Check if the rules file is writeable.
choose_rules_file

link_num=$(find_next_available 'cdrom[0-9]*')

match="SUBSYSTEM==\"block\", ENV{ID_CDROM}==\"?*\", $RULE"

comment="$ID_MODEL ($ID_PATH)"

write_rule "$match" "cdrom$link_num" "$comment"
[ "$ID_CDROM_CD_R" -o "$ID_CDROM_CD_RW" ] && \
	write_rule "$match" "cdrw$link_num"
[ "$ID_CDROM_DVD" ] && \
	write_rule "$match" "dvd$link_num"
[ "$ID_CDROM_DVD_R" -o "$ID_CDROM_DVD_RW" -o "$ID_CDROM_DVD_RAM" ] && \
	write_rule "$match" "dvdrw$link_num"
echo >> $RULES_FILE

unlock_rules_file

echo $SYMLINKS

exit 0

${this.title}

Code Editor : write_cd_rules