Projects
openEuler:24.03
systemd
_service:tar_scm:write_net_rules
Sign Up
Log In
Username
Password
Overview
Repositories
Revisions
Requests
Users
Attributes
Meta
File _service:tar_scm:write_net_rules of Package systemd
#!/bin/sh -e # # Copyright (C) 2006 Marco d'Itri <md@Linux.IT> # Copyright (C) 2007 Kay Sievers <kay.sievers@vrfy.org> # # 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. # # This script is run to create persistent network device naming rules # based on properties of the device. # If the interface needs to be renamed, INTERFACE_NEW=<name> will be printed # on stdout to allow udev to IMPORT it. # variables used to communicate: # MATCHADDR MAC address used for the match # MATCHID bus_id used for the match # MATCHDEVID dev_id used for the match # MATCHDRV driver name used for the match # MATCHIFTYPE interface type match # COMMENT comment to add to the generated rule # INTERFACE_NAME requested name supplied by external tool # INTERFACE_NEW new interface name returned by rule writer RULES_FILE='/etc/udev/rules.d/50-persistent-net.rules' . /usr/lib/udev/rule_generator.functions interface_name_taken() { local value="$(find_all_rules 'NAME=' $INTERFACE)" if [ "$value" ]; then return 0 else return 1 fi } find_next_available() { raw_find_next_available "$(find_all_rules 'NAME=' "$1")" } write_rule() { local match="$1" local name="$2" local comment="$3" { if [ "$PRINT_HEADER" ]; then PRINT_HEADER= echo "# This file was automatically generated by the $0" echo "# program, run by the persistent-net-generator.rules rules file." echo "#" echo "# You can modify it, as long as you keep each rule on a single" echo "# line, and change only the value of the NAME= key." fi echo "" [ "$comment" ] && echo "# $comment" echo "SUBSYSTEM==\"net\", ACTION==\"add\"$match, NAME=\"$name\"" } >> $RULES_FILE } if [ -z "$INTERFACE" ]; then echo "missing \$INTERFACE" >&2 exit 1 fi mkdir -p /dev/.udev # Prevent concurrent processes from modifying the file at the same time. lock_rules_file # Check if the rules file is writeable. choose_rules_file # the DRIVERS key is needed to not match bridges and VLAN sub-interfaces if [ "$MATCHADDR" ]; then match="$match, DRIVERS==\"?*\", ATTR{address}==\"$MATCHADDR\"" fi if [ "$MATCHDRV" ]; then match="$match, DRIVERS==\"$MATCHDRV\"" fi if [ "$MATCHDEVID" ]; then match="$match, ATTR{dev_id}==\"$MATCHDEVID\"" fi if [ "$MATCHID" ]; then match="$match, KERNELS==\"$MATCHID\"" fi if [ "$MATCHIFTYPE" ]; then match="$match, ATTR{type}==\"$MATCHIFTYPE\"" fi if [ -z "$match" ]; then echo "missing valid match" >&2 unlock_rules_file exit 1 fi basename=${INTERFACE%%[0-9]*} match="$match, KERNEL==\"$basename*\"" if [ "$INTERFACE_NAME" ]; then # external tools may request a custom name COMMENT="$COMMENT (custom name provided by external tool)" if [ "$INTERFACE_NAME" != "$INTERFACE" ]; then INTERFACE=$INTERFACE_NAME; echo "INTERFACE_NEW=$INTERFACE" fi else # if a rule using the current name already exists, find a new name if interface_name_taken; then INTERFACE="$basename$(find_next_available "$basename[0-9]*")" echo "INTERFACE_NEW=$INTERFACE" fi fi if [ "$MATCHADDR" ]; then mac_found=0 grep -qE "^\s*[^#].*==\"$MATCHADDR\"" "$RULES_FILE" || mac_found=$? if [ $mac_found -ne 0 ]; then # only add new rules while mac address not found write_rule "$match" "$INTERFACE" "$COMMENT" fi else write_rule "$match" "$INTERFACE" "$COMMENT" fi unlock_rules_file exit 0
Locations
Projects
Search
Status Monitor
Help
Open Build Service
OBS Manuals
API Documentation
OBS Portal
Reporting a Bug
Contact
Mailing List
Forums
Chat (IRC)
Twitter
Open Build Service (OBS)
is an
openSUSE project
.
浙ICP备2022010568号-2