#!/bin/sh
+# shellcheck disable=SC2034
+IFNETFILE="/tmp/bootnetif"
+
is_ip() {
echo "$1" | {
- IFS=. read a b c d
+ IFS=. read -r a b c d
test "$a" -ge 0 -a "$a" -le 255 \
- -a "$b" -ge 0 -a "$b" -le 255 \
- -a "$c" -ge 0 -a "$c" -le 255 \
- -a "$d" -ge 0 -a "$d" -le 255 \
- 2> /dev/null
+ -a "$b" -ge 0 -a "$b" -le 255 \
+ -a "$c" -ge 0 -a "$c" -le 255 \
+ -a "$d" -ge 0 -a "$d" -le 255 \
+ 2> /dev/null
} && return 0
return 1
}
get_ip() {
local iface="$1" ip=""
- ip=$(ip -o -f inet addr show $iface)
+ ip=$(ip -f inet addr show "$iface")
ip=${ip%%/*}
ip=${ip##* }
- echo $ip
+ echo "$ip"
}
iface_for_remote_addr() {
- set -- $(ip -o route get to $1)
- echo $5
+ # shellcheck disable=SC2046
+ set -- $(ip route get to "$@" | sed 's/.*\bdev\b//p;q')
+ echo "$1"
}
iface_for_ip() {
- set -- $(ip -o addr show to $1)
- echo $2
+ # shellcheck disable=SC2046
+ set -- $(ip addr show to "$@")
+ echo "${2%:}"
}
iface_for_mac() {
- local interface="" mac="$(echo $1 | sed 'y/ABCDEF/abcdef/')"
+ local interface=""
+ local mac
+ mac="$(echo "$@" | sed 'y/ABCDEF/abcdef/')"
for interface in /sys/class/net/*; do
- if [ $(cat $interface/address) = "$mac" ]; then
- echo ${interface##*/}
+ if [ "$(cat "$interface"/address)" = "$mac" ]; then
+ echo "${interface##*/}"
fi
done
}
# get the iface name for the given identifier - either a MAC, IP, or iface name
iface_name() {
- case $1 in
- ??:??:??:??:??:??|??-??-??-??-??-??) iface_for_mac $1 ;;
- *:*:*|*.*.*.*) iface_for_ip $1 ;;
- *) echo $1 ;;
+ case "$1" in
+ ??:??:??:??:??:?? | ??-??-??-??-??-??) iface_for_mac "$1" ;;
+ *:*:* | *.*.*.*) iface_for_ip "$1" ;;
+ *) echo "$1" ;;
esac
}
# list the configured interfaces
configured_ifaces() {
local IFACES="" iface_id="" rv=1
- [ -e "/tmp/net.ifaces" ] && read IFACES < /tmp/net.ifaces
+ [ -e "/tmp/net.ifaces" ] && read -r IFACES < /tmp/net.ifaces
if { pidof udevd || pidof systemd-udevd; } > /dev/null; then
for iface_id in $IFACES; do
- echo $(iface_name $iface_id)
+ printf "%s\n" "$(iface_name "$iface_id")"
rv=0
done
else
warn "configured_ifaces called before udev is running"
- echo $IFACES
+ echo "$IFACES"
[ -n "$IFACES" ] && rv=0
fi
return $rv
all_ifaces_up() {
local iface="" IFACES=""
- [ -e "/tmp/net.ifaces" ] && read IFACES < /tmp/net.ifaces
+ [ -e "/tmp/net.ifaces" ] && read -r IFACES < /tmp/net.ifaces
for iface in $IFACES; do
- [ -e /tmp/net.$iface.up ] || return 1
+ [ -e /tmp/net."$iface".up ] || return 1
done
}
all_ifaces_setup() {
local iface="" IFACES=""
- [ -e "/tmp/net.ifaces" ] && read IFACES < /tmp/net.ifaces
+ [ -e "/tmp/net.ifaces" ] && read -r IFACES < /tmp/net.ifaces
for iface in $IFACES; do
- [ -e /tmp/net.$iface.did-setup ] || return 1
+ [ -e /tmp/net."$iface".did-setup ] || return 1
done
}
get_netroot_ip() {
local prefix="" server="" rest=""
- splitsep "$1" ":" prefix server rest
+ splitsep ":" "$1" prefix server rest
case $server in
- [0-9]*\.[0-9]*\.[0-9]*\.[0-9]*) echo "$server"; return 0 ;;
+ [0-9]*\.[0-9]*\.[0-9]*\.[0-9]*)
+ echo "$server"
+ return 0
+ ;;
esac
return 1
}
ip_is_local() {
- strstr "$(ip route get $1 2>/dev/null)" " via "
+ li=$(ip route get "$@" 2> /dev/null)
+ if [ -n "$li" ]; then
+ strstr "$li" " via " || return 0
+ fi
+ return 1
}
ifdown() {
local netif="$1"
# ip down/flush ensures that routing info goes away as well
- ip link set $netif down
- ip addr flush dev $netif
+ ip link set "$netif" down
+ ip addr flush dev "$netif"
echo "#empty" > /etc/resolv.conf
- rm -f -- /tmp/net.$netif.did-setup
- [ -z "$DO_VLAN" ] && \
- [ -e /sys/class/net/$netif/address ] && \
- rm -f -- /tmp/net.$(cat /sys/class/net/$netif/address).did-setup
+ rm -f -- /tmp/net."$netif".did-setup
+ [ -z "$DO_VLAN" ] \
+ && [ -e /sys/class/net/"$netif"/address ] \
+ && rm -f -- "/tmp/net.$(cat /sys/class/net/"$netif"/address).did-setup"
# TODO: send "offline" uevent?
}
setup_net() {
local netif="$1" f="" gw_ip="" netroot_ip="" iface="" IFACES=""
local _p
- [ -e /tmp/net.$netif.did-setup ] && return
- [ -z "$DO_VLAN" ] && \
- [ -e /sys/class/net/$netif/address ] && \
- [ -e /tmp/net.$(cat /sys/class/net/$netif/address).did-setup ] && return
- [ -e "/tmp/net.ifaces" ] && read IFACES < /tmp/net.ifaces
+ [ -e /tmp/net."$netif".did-setup ] && return
+ [ -z "$DO_VLAN" ] \
+ && [ -e /sys/class/net/"$netif"/address ] \
+ && [ -e "/tmp/net.$(cat /sys/class/net/"$netif"/address).did-setup" ] && return
+ [ -e "/tmp/net.ifaces" ] && read -r IFACES < /tmp/net.ifaces
[ -z "$IFACES" ] && IFACES="$netif"
# run the scripts written by ifup
- [ -e /tmp/net.$netif.hostname ] && . /tmp/net.$netif.hostname
- [ -e /tmp/net.$netif.override ] && . /tmp/net.$netif.override
- [ -e /tmp/dhclient.$netif.dhcpopts ] && . /tmp/dhclient.$netif.dhcpopts
+ # shellcheck disable=SC1090
+ [ -e /tmp/net."$netif".hostname ] && . /tmp/net."$netif".hostname
+ # shellcheck disable=SC1090
+ [ -e /tmp/net."$netif".override ] && . /tmp/net."$netif".override
+ # shellcheck disable=SC1090
+ [ -e /tmp/dhclient."$netif".dhcpopts ] && . /tmp/dhclient."$netif".dhcpopts
# set up resolv.conf
- [ -e /tmp/net.$netif.resolv.conf ] && \
- awk '!array[$0]++' /tmp/net.$netif.resolv.conf > /etc/resolv.conf
- [ -e /tmp/net.$netif.gw ] && . /tmp/net.$netif.gw
+ [ -e /tmp/net."$netif".resolv.conf ] \
+ && awk '!array[$0]++' /tmp/net."$netif".resolv.conf > /etc/resolv.conf
+ # shellcheck disable=SC1090
+ [ -e /tmp/net."$netif".gw ] && . /tmp/net."$netif".gw
# add static route
for _p in $(getargs rd.route); do
route_to_var "$_p" || continue
[ -n "$route_dev" ] && [ "$route_dev" != "$netif" ] && continue
- ip route add "$route_mask" ${route_gw:+via "$route_gw"} ${route_dev:+dev "$route_dev"}
+ ip route add "$route_mask" ${route_gw:+via $route_gw} ${route_dev:+dev $route_dev}
if strstr "$route_mask" ":"; then
printf -- "%s\n" "$route_mask ${route_gw:+via $route_gw} ${route_dev:+dev $route_dev}" \
> /tmp/net.route6."$netif"
# RTNETLINK answers: Network is unreachable
# Replace the default route again after static routes to cover
# this scenario.
- [ -e /tmp/net.$netif.gw ] && . /tmp/net.$netif.gw
+ # shellcheck disable=SC1090
+ [ -e /tmp/net."$netif".gw ] && . /tmp/net."$netif".gw
# Handle STP Timeout: arping the default gateway.
# (or the root server, if a) it's local or b) there's no gateway.)
[ -n "$gw" ] && gw_ip=$gw
# Get the "netroot" IP (if there's an IP address in there)
- netroot_ip=$(get_netroot_ip $netroot)
+ netroot_ip=$(get_netroot_ip "$netroot")
# try netroot if it's local (or there's no gateway)
- if ip_is_local $netroot_ip || [ -z "$gw_ip" ]; then
+ if ip_is_local "$netroot_ip" || [ -z "$gw_ip" ]; then
dest="$netroot_ip"
else
dest="$gw_ip"
fi
unset layer2
- if [ -f /sys/class/net/$netif/device/layer2 ]; then
- read layer2 < /sys/class/net/$netif/device/layer2
+ if [ -f /sys/class/net/"$netif"/device/layer2 ]; then
+ read -r layer2 < /sys/class/net/"$netif"/device/layer2
fi
if [ "$layer2" != "0" ] && [ -n "$dest" ] && ! strstr "$dest" ":"; then
- if command -v arping2 >/dev/null; then
- arping2 -q -C 1 -c 60 -I $netif $dest || info "Resolving $dest via ARP on $netif failed"
+ if command -v arping2 > /dev/null; then
+ arping2 -q -C 1 -c 60 -I "$netif" "$dest" || info "Resolving $dest via ARP on $netif failed"
else
- arping -q -f -w 60 -I $netif $dest || info "Resolving $dest via ARP on $netif failed"
+ arping -q -f -w 60 -I "$netif" "$dest" || info "Resolving $dest via ARP on $netif failed"
fi
fi
unset layer2
- > /tmp/net.$netif.did-setup
- [ -z "$DO_VLAN" ] && \
- [ -e /sys/class/net/$netif/address ] && \
- > /tmp/net.$(cat /sys/class/net/$netif/address).did-setup
+ : > /tmp/net."$netif".did-setup
+ [ -z "$DO_VLAN" ] \
+ && [ -e /sys/class/net/"$netif"/address ] \
+ && : > "/tmp/net.$(cat /sys/class/net/"$netif"/address).did-setup"
}
save_netinfo() {
local netif="$1" IFACES="" f="" i=""
- [ -e /tmp/net.ifaces ] && read IFACES < /tmp/net.ifaces
+ [ -e /tmp/net.ifaces ] && read -r IFACES < /tmp/net.ifaces
# Add $netif to the front of IFACES (if it's not there already).
set -- "$netif"
for i in $IFACES; do [ "$i" != "$netif" ] && set -- "$@" "$i"; done
IFACES="$*"
for i in $IFACES; do
- for f in /tmp/dhclient.$i.*; do
- [ -f $f ] && cp -f $f /tmp/net.${f#/tmp/dhclient.}
+ for f in "/tmp/dhclient.$i."*; do
+ [ -f "$f" ] && cp -f "$f" /tmp/net."${f#/tmp/dhclient.}"
done
done
- echo $IFACES > /tmp/.net.ifaces.new
+ echo "$IFACES" > /tmp/.net.ifaces.new
mv /tmp/.net.ifaces.new /tmp/net.ifaces
}
local name="$1" mac="$2" num=-1 n=""
# if it's already set, return the existing name
for n in $(getargs ifname=); do
- strstr "$n" "$mac" && echo ${n%%:*} && return
+ strstr "$n" "$mac" && echo "${n%%:*}" && return
done
+ [ ! -f "/tmp/set_ifname_$name" ] || read -r num < "/tmp/set_ifname_$name"
# otherwise, pick a new name and use that
while :; do
- num=$(($num+1));
- [ -e /sys/class/net/$name$num ] && continue
+ num=$((num + 1))
+ [ -e /sys/class/net/"$name"$num ] && continue
for n in $(getargs ifname=); do
[ "$name$num" = "${n%%:*}" ] && continue 2
done
break
done
echo "ifname=$name$num:$mac" >> /etc/cmdline.d/45-ifname.conf
+ echo "$num" > "/tmp/set_ifname_$name"
echo "$name$num"
}
# pxelinux provides macaddr '-' separated, but we need ':'
fix_bootif() {
- local macaddr=${1}
+ local macaddr="${1}"
local IFS='-'
+ # shellcheck disable=SC2086
macaddr=$(printf '%s:' ${macaddr})
macaddr=${macaddr%:}
# strip hardware type field from pxelinux
[ -n "${macaddr%??:??:??:??:??:??}" ] && macaddr=${macaddr#??:}
# return macaddr with lowercase alpha characters expected by udev
- echo $macaddr | sed 'y/ABCDEF/abcdef/'
+ echo "$macaddr" | sed 'y/ABCDEF/abcdef/'
}
ibft_to_cmdline() {
local dhcp="" ip="" gw="" mask="" hostname=""
local dns1 dns2
- [ -e ${iface}/mac ] || continue
- mac=$(read a < ${iface}/mac; echo $a)
+ [ -e "${iface}"/mac ] || continue
+ read -r mac < "${iface}"/mac
[ -z "$mac" ] && continue
- dev=$(set_ifname ibft $mac)
+ dev=$(set_ifname ibft "$mac")
- [ -e /tmp/net.${dev}.has_ibft_config ] && continue
+ [ -e /tmp/net."${dev}".has_ibft_config ] && continue
- [ -e ${iface}/flags ] && flags=$(read a < ${iface}/flags; echo $a)
+ [ -e "${iface}"/flags ] && read -r flags < "${iface}"/flags
# Skip invalid interfaces
- (( $flags & 1 )) || continue
- # Skip interfaces not used for booting
- (( $flags & 2 )) || continue
- [ -e ${iface}/dhcp ] && dhcp=$(read a < ${iface}/dhcp; echo $a)
- [ -e ${iface}/origin ] && origin=$(read a < ${iface}/origin; echo $a)
- [ -e ${iface}/ip-addr ] && ip=$(read a < ${iface}/ip-addr; echo $a)
-
- if [ -n "$ip" ] ; then
+ awk -- 'BEGIN { exit (!and('"$flags"',1)) }' || continue
+ # Skip interfaces not used for booting unless using multipath
+ if ! getargbool 0 rd.iscsi.mp; then
+ awk -- 'BEGIN { exit (!and('"$flags"',2)) }' || continue
+ fi
+ [ -e "${iface}"/dhcp ] && read -r dhcp < "${iface}"/dhcp
+ [ -e "${iface}"/origin ] && read -r origin < "${iface}"/origin
+ [ -e "${iface}"/ip-addr ] && read -r ip < "${iface}"/ip-addr
+
+ if [ -n "$ip" ]; then
case "$ip" in
*.*.*.*)
family=ipv4
esac
fi
if [ -n "$dhcp" ] || [ "$origin" -eq 3 ]; then
- if [ "$family" = "ipv6" ] ; then
+ if [ "$family" = "ipv6" ]; then
echo "ip=$dev:dhcp6"
else
echo "ip=$dev:dhcp"
fi
- elif [ -e ${iface}/ip-addr ]; then
- # skip not assigned ip adresses
+ elif [ -e "${iface}"/ip-addr ]; then
+ # skip not assigned ip addresses
[ "$ip" = "0.0.0.0" ] && continue
- [ -e ${iface}/gateway ] && gw=$(read a < ${iface}/gateway; echo $a)
- [ "$gateway" = "0.0.0.0" ] && unset $gateway
- [ -e ${iface}/subnet-mask ] && mask=$(read a < ${iface}/subnet-mask; echo $a)
- [ -e ${iface}/prefix-len ] && prefix=$(read a < ${iface}/prefix-len; echo $a)
- [ -e ${iface}/primary-dns ] && dns1=$(read a < ${iface}/primary-dns; echo $a)
- [ "$dns1" = "0.0.0.0" ] && unset $dns1
- [ -e ${iface}/secondary-dns ] && dns2=$(read a < ${iface}/secondary-dns; echo $a)
- [ "$dns2" = "0.0.0.0" ] && unset $dns2
- [ -e ${iface}/hostname ] && hostname=$(read a < ${iface}/hostname; echo $a)
- if [ "$family" = "ipv6" ] ; then
- if [ -n "$ip" ] ; then
- ip="[$ip]"
- [ -n "$prefix" ] || prefix=64
- ip="[${ip}/${prefix}]"
- mask=
+ [ -e "${iface}"/gateway ] && read -r gw < "${iface}"/gateway
+ [ "$gw" = "0.0.0.0" ] && unset gw
+ [ -e "${iface}"/subnet-mask ] && read -r mask < "${iface}"/subnet-mask
+ [ -e "${iface}"/prefix-len ] && read -r prefix < "${iface}"/prefix-len
+ [ -e "${iface}"/primary-dns ] && read -r dns1 < "${iface}"/primary-dns
+ [ "$dns1" = "0.0.0.0" ] && unset dns1
+ [ -e "${iface}"/secondary-dns ] && read -r dns2 < "${iface}"/secondary-dns
+ [ "$dns2" = "0.0.0.0" ] && unset dns
+ [ -e "${iface}"/hostname ] && read -r hostname < "${iface}"/hostname
+ if [ "$family" = "ipv6" ]; then
+ if [ -n "$ip" ]; then
+ [ -n "$prefix" ] || prefix=128
+ ip="[${ip}]"
+ mask=$prefix
fi
- if [ -n "$gw" ] ; then
+ if [ -n "$gw" ]; then
gw="[${gw}]"
fi
fi
fi
else
info "${iface} does not contain a valid iBFT configuration"
- ls -l ${iface} | vinfo
+ # shellcheck disable=SC2012
+ ls -l "${iface}" | vinfo
fi
- if [ -e ${iface}/vlan ]; then
- vlan=$(read a < ${iface}/vlan; echo $a)
+ if [ -e "${iface}"/vlan ]; then
+ read -r vlan < "${iface}"/vlan
if [ "$vlan" -ne "0" ]; then
case "$vlan" in
[0-9]*)
echo "vlan=$dev.$vlan:$dev"
- echo $mac > /tmp/net.${dev}.${vlan}.has_ibft_config
+ echo "$mac" > /tmp/net."${dev}"."${vlan}".has_ibft_config
;;
*)
echo "vlan=$vlan:$dev"
- echo $mac > /tmp/net.${vlan}.has_ibft_config
+ echo "$mac" > /tmp/net."${vlan}".has_ibft_config
;;
esac
else
- echo $mac > /tmp/net.${dev}.has_ibft_config
+ echo "$mac" > /tmp/net."${dev}".has_ibft_config
fi
else
- echo $mac > /tmp/net.${dev}.has_ibft_config
+ echo "$mac" > /tmp/net."${dev}".has_ibft_config
fi
done
) >> /etc/cmdline.d/40-ibft.conf
}
-parse_iscsi_root()
-{
+parse_iscsi_root() {
local v
v=${1#iscsi:}
if [ -n "$authinfo" ]; then
OLDIFS="$IFS"
IFS=:
+ # shellcheck disable=SC2086
set $authinfo
IFS="$OLDIFS"
if [ $# -gt 4 ]; then
case "$v" in
[[]*[]]:*)
iscsi_target_ip=${v#[[]}
- iscsi_target_ip=${iscsi_target_ip%%[]]*}
- v=${v#[[]$iscsi_target_ip[]]:}
+ iscsi_target_ip=${iscsi_target_ip%%[]]*}
+ # shellcheck disable=SC1087
+ v=${v#[[]"$iscsi_target_ip"[]]:}
;;
*)
iscsi_target_ip=${v%%[:]*}
- v=${v#$iscsi_target_ip:}
+ v=${v#"$iscsi_target_ip":}
;;
esac
# parse the rest
OLDIFS="$IFS"
IFS=:
+ # shellcheck disable=SC2086
set $v
IFS="$OLDIFS"
- iscsi_protocol=$1; shift # ignored
- iscsi_target_port=$1; shift
+ iscsi_protocol=$1
+ shift # ignored
+ iscsi_target_port=$1
+ shift
if [ -n "$iscsi_target_name" ]; then
if [ $# -eq 3 ]; then
- iscsi_iface_name=$1; shift
+ iscsi_iface_name=$1
+ shift
fi
if [ $# -eq 2 ]; then
- iscsi_netdev_name=$1; shift
+ iscsi_netdev_name=$1
+ shift
fi
- iscsi_lun=$1; shift
+ iscsi_lun=$1
+ shift
if [ $# -ne 0 ]; then
warn "Invalid parameter in iscsi: parameter!"
return 1
return 0
fi
-
if [ $# -gt 3 ] && [ -n "$1$2" ]; then
- if [ -z "$3" ] || [ "$3" -ge 0 ] 2>/dev/null ; then
- iscsi_iface_name=$1; shift
- iscsi_netdev_name=$1; shift
+ if [ -z "$3" ] || [ "$3" -ge 0 ] 2> /dev/null; then
+ iscsi_iface_name=$1
+ shift
+ iscsi_netdev_name=$1
+ shift
fi
fi
- iscsi_lun=$1; shift
+ iscsi_lun=$1
+ shift
iscsi_target_name=$(printf "%s:" "$@")
iscsi_target_name=${iscsi_target_name%:}
}
ip_to_var() {
- local v=${1}:
+ local v="${1}":
local i
set --
while [ -n "$v" ]; do
i="${v%%\]:*}"
i="${i##\[}"
set -- "$@" "$i"
- v=${v#\[$i\]:}
+ v=${v#\["$i"\]:}
else
set -- "$@" "${v%%:*}"
v=${v#*:}
fi
if [ $# -eq 1 ]; then
- # format: ip={dhcp|on|any|dhcp6|auto6}
+ # format: ip={dhcp|on|any|dhcp6|auto6|either6|single-dhcp}
# or
# ip=<ipv4-address> means anaconda-style static config argument cluster
autoconf="$1"
- if strstr "$autoconf" "*.*.*.*"; then
+ if strglob "$autoconf" "*.*.*.*"; then
# ip=<ipv4-address> means anaconda-style static config argument cluster:
# ip=<ip> gateway=<gw> netmask=<nm> hostname=<host> mtu=<mtu>
# ksdevice={link|bootif|ibft|<MAC>|<ifname>}
# handle special values for ksdevice
case "$dev" in
- bootif|BOOTIF) dev=$(fix_bootif $(getarg BOOTIF=)) ;;
+ bootif | BOOTIF) dev=$(fix_bootif "$(getarg BOOTIF=)") ;;
link) dev="" ;; # FIXME: do something useful with this
ibft) dev="" ;; # ignore - ibft is handled elsewhere
esac
return 0
fi
- if [ "$2" = "dhcp" -o "$2" = "on" -o "$2" = "any" -o "$2" = "dhcp6" -o "$2" = "auto6" ]; then
+ if [ "$2" = "dhcp" -o "$2" = "on" -o "$2" = "any" -o "$2" = "dhcp6" -o "$2" = "auto6" -o "$2" = "either6" ]; then
# format: ip=<interface>:{dhcp|on|any|dhcp6|auto6}[:[<mtu>][:<macaddr>]]
[ -n "$1" ] && dev="$1"
[ -n "$2" ] && autoconf="$2"
[ -n "$6" ] && dev=$6
[ -n "$7" ] && autoconf=$7
case "$8" in
- [0-9]*:*|[0-9]*.[0-9]*.[0-9]*.[0-9]*)
+ [0-9a-fA-F]*:* | [0-9]*.[0-9]*.[0-9]*.[0-9]*)
dns1="$8"
[ -n "$9" ] && dns2="$9"
;;
elif [ -n "${9}" -a -n "${10}" -a -n "${11}" -a -n "${12}" -a -n "${13}" -a -n "${14}" ]; then
macaddr="${9}:${10}:${11}:${12}:${13}:${14}"
fi
- ;;
+ ;;
esac
return 0
}
route_to_var() {
- local v=${1}:
+ local v="${1}":
local i
set --
while [ -n "$v" ]; do
i="${v%%\]:*}"
i="${i##\[}"
set -- "$@" "$i"
- v=${v#\[$i\]:}
+ v=${v#\["$i"\]:}
else
set -- "$@" "${v%%:*}"
v=${v#*:}
unset route_mask route_gw route_dev
case $# in
- 2) [ -n "$1" ] && route_mask="$1"; [ -n "$2" ] && route_gw="$2"
- return 0;;
- 3) [ -n "$1" ] && route_mask="$1"; [ -n "$2" ] && route_gw="$2"; [ -n "$3" ] && route_dev="$3"
- return 0;;
- *) return 1;;
+ 2)
+ [ -n "$1" ] && route_mask="$1"
+ [ -n "$2" ] && route_gw="$2"
+ return 0
+ ;;
+ 3)
+ [ -n "$1" ] && route_mask="$1"
+ [ -n "$2" ] && route_gw="$2"
+ [ -n "$3" ] && route_dev="$3"
+ return 0
+ ;;
+ *) return 1 ;;
esac
}
parse_ifname_opts() {
local IFS=:
- set $1
+ # shellcheck disable=SC2086
+ set -- $1
case $# in
7)
ifname_if=$1
# udev requires MAC addresses to be lower case
- ifname_mac=$(echo $2:$3:$4:$5:$6:$7 | sed 'y/ABCDEF/abcdef/')
+ ifname_mac=$(echo "$2:$3:$4:$5:$6:$7" | sed 'y/ABCDEF/abcdef/')
+ ;;
+ 21)
+ ifname_if=$1
+ # udev requires MAC addresses to be lower case
+ ifname_mac=$(echo "$2:$3:$4:$5:$6:$7:$8:$9:${10}:${11}:${12}:${13}:${14}:${15}:${16}:${17}:${18}:${19}:${20}:${21}" | sed 'y/ABCDEF/abcdef/')
;;
*)
die "Invalid arguments for ifname="
esac
case $ifname_if in
- eth[0-9]|eth[0-9][0-9]|eth[0-9][0-9][0-9]|eth[0-9][0-9][0-9][0-9])
+ eth[0-9] | eth[0-9][0-9] | eth[0-9][0-9][0-9] | eth[0-9][0-9][0-9][0-9])
warn "ifname=$ifname_if uses the kernel name space for interfaces"
warn "This can fail for multiple network interfaces and is discouraged!"
- warn "Please use a custom name like \"netboot\" or \"bluesocket\""
+ warn 'Please use a custom name like "netboot" or "bluesocket"'
warn "or use biosdevname and no ifname= at all."
;;
esac
wait_for_if_link() {
local cnt=0
local li
- local timeout="$(getargs rd.net.timeout.iflink=)"
+ local timeout
+ timeout=$(getargs rd.net.timeout.iflink=)
timeout=${timeout:-60}
- timeout=$(($timeout*10))
+ timeout=$((timeout * 10))
while [ $cnt -lt $timeout ]; do
- li=$(ip -o link show dev $1 2>/dev/null)
+ li=$(ip link show dev "$@" 2> /dev/null)
[ -n "$li" ] && return 0
sleep 0.1
- cnt=$(($cnt+1))
+ cnt=$((cnt + 1))
done
return 1
}
wait_for_if_up() {
local cnt=0
local li
- local timeout="$(getargs rd.net.timeout.ifup=)"
+ local timeout
+ timeout=$(getargs rd.net.timeout.ifup=)
timeout=${timeout:-20}
- timeout=$(($timeout*10))
+ timeout=$((timeout * 10))
while [ $cnt -lt $timeout ]; do
- li=$(ip -o link show up dev $1)
+ li=$(ip link show up dev "$@")
if [ -n "$li" ]; then
case "$li" in
*\<UP*)
- return 0;;
+ return 0
+ ;;
*\<*,UP\>*)
- return 0;;
+ return 0
+ ;;
*\<*,UP,*\>*)
- return 0;;
+ return 0
+ ;;
esac
fi
if strstr "$li" "LOWER_UP" \
- && strstr "$li" "state UNKNOWN" \
- && ! strstr "$li" "DORMANT"; then
+ && strstr "$li" "state UNKNOWN" \
+ && ! strstr "$li" "DORMANT"; then
return 0
fi
sleep 0.1
- cnt=$(($cnt+1))
+ cnt=$((cnt + 1))
done
return 1
}
wait_for_route_ok() {
local cnt=0
- local timeout="$(getargs rd.net.timeout.route=)"
+ local timeout
+ timeout=$(getargs rd.net.timeout.route=)
timeout=${timeout:-20}
- timeout=$(($timeout*10))
+ timeout=$((timeout * 10))
while [ $cnt -lt $timeout ]; do
li=$(ip route show)
- [ -n "$li" ] && [ -z "${li##*$1*}" ] && return 0
+ [ -n "$li" ] && [ -z "${li##*"$1"*}" ] && return 0
sleep 0.1
- cnt=$(($cnt+1))
+ cnt=$((cnt + 1))
done
return 1
}
wait_for_ipv6_dad_link() {
local cnt=0
- local timeout="$(getargs rd.net.timeout.ipv6dad=)"
+ local timeout
+ timeout=$(getargs rd.net.timeout.ipv6dad=)
timeout=${timeout:-50}
- timeout=$(($timeout*10))
+ timeout=$((timeout * 10))
while [ $cnt -lt $timeout ]; do
- [ -z "$(ip -6 addr show dev "$1" scope link tentative)" ] \
- && [ -n "$(ip -6 route list proto ra dev "$1" | grep ^default)" ] \
+ [ -n "$(ip -6 addr show dev "$@" scope link)" ] \
+ && [ -z "$(ip -6 addr show dev "$@" scope link tentative)" ] \
&& return 0
- [ -n "$(ip -6 addr show dev "$1" scope link dadfailed)" ] \
+ [ -n "$(ip -6 addr show dev "$@" scope link dadfailed)" ] \
&& return 1
sleep 0.1
- cnt=$(($cnt+1))
+ cnt=$((cnt + 1))
done
return 1
}
wait_for_ipv6_dad() {
local cnt=0
- local timeout="$(getargs rd.net.timeout.ipv6dad=)"
+ local timeout
+ timeout=$(getargs rd.net.timeout.ipv6dad=)
timeout=${timeout:-50}
- timeout=$(($timeout*10))
+ timeout=$((timeout * 10))
while [ $cnt -lt $timeout ]; do
- [ -z "$(ip -6 addr show dev "$1" tentative)" ] \
- && [ -n "$(ip -6 route list proto ra dev "$1" | grep ^default)" ] \
+ [ -n "$(ip -6 addr show dev "$@")" ] \
+ && [ -z "$(ip -6 addr show dev "$@" tentative)" ] \
&& return 0
- [ -n "$(ip -6 addr show dev "$1" dadfailed)" ] \
+ [ -n "$(ip -6 addr show dev "$@" dadfailed)" ] \
&& return 1
sleep 0.1
- cnt=$(($cnt+1))
+ cnt=$((cnt + 1))
done
return 1
}
wait_for_ipv6_auto() {
local cnt=0
- local timeout="$(getargs rd.net.timeout.ipv6auto=)"
+ local timeout
+ timeout=$(getargs rd.net.timeout.ipv6auto=)
timeout=${timeout:-40}
- timeout=$(($timeout*10))
+ timeout=$((timeout * 10))
while [ $cnt -lt $timeout ]; do
- [ -z "$(ip -6 addr show dev "$1" tentative)" ] \
- && [ -n "$(ip -6 route list proto ra dev "$1" | grep ^default)" ] \
+ [ -z "$(ip -6 addr show dev "$@" tentative)" ] \
+ && { ip -6 route list proto ra dev "$@" | grep -q ^default; } \
&& return 0
sleep 0.1
- cnt=$(($cnt+1))
+ cnt=$((cnt + 1))
done
return 1
}
linkup() {
- wait_for_if_link $1 2>/dev/null\
- && ip link set $1 up 2>/dev/null\
- && wait_for_if_up $1 2>/dev/null
+ wait_for_if_link "$@" 2> /dev/null && ip link set "$@" up 2> /dev/null && wait_for_if_up "$@" 2> /dev/null
}
-type hostname >/dev/null 2>&1 || \
- hostname() {
- cat /proc/sys/kernel/hostname
-}
+type hostname > /dev/null 2>&1 \
+ || hostname() {
+ cat /proc/sys/kernel/hostname
+ }
iface_has_carrier() {
local cnt=0
- local interface="$1" flags=""
- [ -n "$interface" ] || return 2
- interface="/sys/class/net/$interface"
- [ -d "$interface" ] || return 2
- local timeout="$(getargs rd.net.timeout.carrier=)"
- timeout=${timeout:-5}
- timeout=$(($timeout*10))
+ local iface="$1" flags=""
+ local timeout
+ local iface_sys_path
+ [ -n "$iface" ] || return 2
+ iface_sys_path="/sys/class/net/$iface"
+ [ -d "$iface_sys_path" ] || return 2
+ timeout=$(getargs rd.net.timeout.carrier=)
+ timeout=${timeout:-10}
+ timeout=$((timeout * 10))
linkup "$1"
- li=$(ip -o link show up dev $1)
+ li=$(ip link show up dev "$iface")
strstr "$li" "NO-CARRIER" && _no_carrier_flag=1
while [ $cnt -lt $timeout ]; do
if [ -n "$_no_carrier_flag" ]; then
+ li=$(ip link show up dev "$iface")
# NO-CARRIER flag was cleared
strstr "$li" "NO-CARRIER" || return 0
+ elif ! [ -e "$iface_sys_path/carrier" ]; then
+ # sysfs not available and "NO-CARRIER" not displayed
+ return 0
fi
# double check the syscfs carrier flag
- [ -e "$interface/carrier" ] && [ "$(cat $interface/carrier)" = 1 ] && return 0
+ [ -e "$iface_sys_path/carrier" ] && [ "$(cat "$iface_sys_path"/carrier)" = 1 ] && return 0
sleep 0.1
- cnt=$(($cnt+1))
+ cnt=$((cnt + 1))
done
return 1
}
iface_has_carrier "$@"
}
+iface_is_enslaved() {
+ local _li
+ _li=$(ip link show dev "$@")
+ strstr "$_li" " master " || return 1
+ return 0
+}
+
find_iface_with_link() {
local iface_path="" iface=""
for iface_path in /sys/class/net/*; do
iface=${iface_path##*/}
str_starts "$iface" "lo" && continue
- if iface_has_link $iface; then
+ if iface_has_link "$iface"; then
echo "$iface"
return 0
fi
local _name_assign_type="0"
[ -f "/sys/class/net/$_netif/name_assign_type" ] \
- && _name_assign_type=$(cat "/sys/class/net/$_netif/name_assign_type")
+ && read -r _name_assign_type < "/sys/class/net/$_netif/name_assign_type" 2> /dev/null
# NET_NAME_ENUM 1
[ "$_name_assign_type" = "1" ] && return 1
case "$_netif" in
# udev persistent interface names
- eno[0-9]|eno[0-9][0-9]|eno[0-9][0-9][0-9]*)
- ;;
- ens[0-9]|ens[0-9][0-9]|ens[0-9][0-9][0-9]*)
- ;;
- enp[0-9]s[0-9]*|enp[0-9][0-9]s[0-9]*|enp[0-9][0-9][0-9]*s[0-9]*)
- ;;
- enP*p[0-9]s[0-9]*|enP*p[0-9][0-9]s[0-9]*|enP*p[0-9][0-9][0-9]*s[0-9]*)
- ;;
- # biosdevname
- em[0-9]|em[0-9][0-9]|em[0-9][0-9][0-9]*)
- ;;
- p[0-9]p[0-9]*|p[0-9][0-9]p[0-9]*|p[0-9][0-9][0-9]*p[0-9]*)
- ;;
+ eno[0-9] | eno[0-9][0-9] | eno[0-9][0-9][0-9]*) ;;
+
+ ens[0-9] | ens[0-9][0-9] | ens[0-9][0-9][0-9]*) ;;
+
+ enp[0-9]s[0-9]* | enp[0-9][0-9]s[0-9]* | enp[0-9][0-9][0-9]*s[0-9]*) ;;
+
+ enP*p[0-9]s[0-9]* | enP*p[0-9][0-9]s[0-9]* | enP*p[0-9][0-9][0-9]*s[0-9]*) ;;
+
+ # biosdevname
+ em[0-9] | em[0-9][0-9] | em[0-9][0-9][0-9]*) ;;
+
+ p[0-9]p[0-9]* | p[0-9][0-9]p[0-9]* | p[0-9][0-9][0-9]*p[0-9]*) ;;
+
*)
return 1
+ ;;
esac
return 0
}
local _name_assign_type="1"
if [ -e "/sys/class/net/$_netif/name_assign_type" ]; then
- _name_assign_type=$(cat "/sys/class/net/$_netif/name_assign_type")
+ read -r _name_assign_type < "/sys/class/net/$_netif/name_assign_type"
case "$_name_assign_type" in
- 2|3|4)
+ 2 | 3 | 4)
# NET_NAME_PREDICTABLE 2
# NET_NAME_USER 3
# NET_NAME_RENAMED 4
return 1
;;
- 1|*)
+ 1 | *)
# NET_NAME_ENUM 1
return 0
;;
# fallback to error prone manual name check
case "$_netif" in
- eth[0-9]|eth[0-9][0-9]|eth[0-9][0-9][0-9]*)
+ eth[0-9] | eth[0-9][0-9] | eth[0-9][0-9][0-9]*)
return 0
;;
*)
return 1
+ ;;
esac
}
_netif="$1"
_subchannels=$({
- for i in /sys/class/net/$_netif/device/cdev[0-9]*; do
- [ -e $i ] || continue
- channel=$(readlink -f $i)
- printf -- "%s" "${channel##*/},"
- done
- })
+ for i in /sys/class/net/"$_netif"/device/cdev[0-9]*; do
+ [ -e "$i" ] || continue
+ channel=$(readlink -f "$i")
+ printf -- "%s" "${channel##*/},"
+ done
+ })
[ -n "$_subchannels" ] || return 1
- printf -- "%s" ${_subchannels%,}
+ printf -- "%s" "${_subchannels%,}"
}