#!/bin/sh - keep it for file(1) to get bourne shell script result
#
# $Id$
-#
+#
# This is not a shell script; it provides functions to network scripts
# that source it.
source_config ()
{
-DEVNAME=$(basename "$CONFIG" | awk ' { gsub(/^ifcfg-/,NIL); print $0; } ')
-
-if echo "$CONFIG"|egrep "^/" >/dev/null 2>&1 ; then
- if [ -f "$CONFIG" ] ; then
- . "$CONFIG"
- fi
-elif [ -f "/etc/sysconfig/interfaces/$CONFIG" ] ; then
- . "/etc/sysconfig/interfaces/$CONFIG"
-fi
-if [ -n "${PREFIX}" ] && ! $(echo $IPADDR | grep "/" 2>&1 >/dev/null) ; then
- IPADDR="$IPADDR/$PREFIX"
-fi
+ local foundconfig=0
+
+ DEVNAME=${CONFIG##*/}
+ DEVNAME=${DEVNAME##ifcfg-}
+ DEVNAME=${DEVNAME##tnlcfg-}
+
+ if [[ "$CONFIG" = /* ]]; then
+ if [ -f "$CONFIG" ]; then
+ . "$CONFIG"
+ foundconfig=1
+ fi
+ elif [ -f "/etc/sysconfig/interfaces/$CONFIG" ]; then
+ . "/etc/sysconfig/interfaces/$CONFIG"
+ foundconfig=1
+ fi
+
+ # This is sanity check so that if you've copied ifcfg-eth0 to ifcfg-eth1
+ # and forgot to alter DEVICE= line you won't accidentally bring down eth0
+ # while executing ifdown eth1. We do that only if configuration file exists
+ # (sometimes ifcfg-xyz isn't needed at all like server-side pppoe pppX interfaces)
+ if [ "$foundconfig" -eq "1" -a "$DEVICE" -a "$DEVNAME" != "$DEVICE" ]; then
+ echo >&2 "$0: DEVICE specified in $CONFIG does not match filename. Aborting!"
+ exit 1
+ fi
+
+ if [ "${PREFIX}" ] && [[ "$IPADDR" != */* ]]; then
+ IPADDR="$IPADDR/$PREFIX"
+ fi
}
do_netreport ()
{
-# Notify programs that have requested notification
-( cd /var/run/netreport || exit
-for i in * ; do
- [ -f $i ] && \
- kill -SIGIO $i >/dev/null 2>&1 || \
- rm -f $i >/dev/null 2>&1
-done
-)
+ # Notify programs that have requested notification
+ ( cd /var/run/netreport || exit
+ for i in *; do
+ [ -f $i ] && kill -SIGIO $i >/dev/null 2>&1 || \
+ rm -f $i >/dev/null 2>&1
+ done
+ )
}
need_hostname()
{
-if [ "`hostname`" = "(none)" -o "`hostname`" = "localhost" -o \
- "`hostname`" = "localhost.localdomain" ]; then
- NEEDHOSTNAME=yes
-else
- unset NEEDHOSTNAME
-fi
+ local hostname=$(hostname)
+ if [ "$hostname" = "(none)" -o "$hostname" = "localhost" -o "$hostname" = "localhost.localdomain" ]; then
+ NEEDHOSTNAME=yes
+ else
+ unset NEEDHOSTNAME
+ fi
}
set_hostname()
{
-typeset hostname domain
-hostname=$(echo $1 | awk ' { gsub(/\..*$/,NIL); print $0; } ')
-domain=$(echo $1 | awk ' { sub(/^[^\.]*\./,NIL); print $0; } ')
-
-if [ -n "$hostname" ] ; then
- echo "$hostname" > /etc/HOSTNAME
- hostname $hostname
-fi
-
-if [ -n "$domain" ] ; then
- >/etc/resolv.conf.new
- if ! grep -q "search $domain" /etc/resolv.conf ; then
- echo "search $domain" >> /etc/resolv.conf.new
- fi
- echo "domain $domain" >> /etc/resolv.conf.new
- grep -v "^domain " /etc/resolv.conf >> /etc/resolv.conf.new
- mv -f /etc/resolv.conf.new /etc/resolv.conf
-fi
+ local hostname domain
+
+ hostname=$(echo $1 | awk ' { gsub(/\..*$/,NIL); print $0; } ')
+ domain=$(echo $1 | awk ' { sub(/^[^\.]*\./,NIL); print $0; } ')
+
+ if [ "$hostname" ]; then
+ echo "$hostname" > /etc/HOSTNAME
+ hostname $hostname
+ fi
+
+ if [ "$domain" ]; then
+ # XXX umask and possible /etc/resolv.conf symlink breakage
+ > /etc/resolv.conf.new
+ if ! grep -q "search $domain" /etc/resolv.conf; then
+ echo "search $domain" >> /etc/resolv.conf.new
+ fi
+ echo "domain $domain" >> /etc/resolv.conf.new
+ grep -v "^domain " /etc/resolv.conf >> /etc/resolv.conf.new
+ mv -f /etc/resolv.conf.new /etc/resolv.conf
+ fi
+}
+
+set_dhcpclient()
+{
+ if [ "$BOOTPROTO" = "bootp" -o "$BOOTPROTO" = "pump" ]; then
+ DHCP_CLIENT=/sbin/pump
+ fi
+
+ if [ -z "$DHCP_CLIENT" ]; then
+ if [ "$BOOTPROTO" = "zeroconf" -a -x /usr/sbin/avahi-autoipd ]; then
+ DHCP_CLIENT=/usr/sbin/avahi-autoipd
+ elif [ -x /sbin/dhcpcd ]; then
+ DHCP_CLIENT=/sbin/dhcpcd
+ elif [ -x /sbin/dhclient ]; then
+ DHCP_CLIENT=/sbin/dhclient
+ elif [ -x /sbin/dhcpxd ]; then
+ DHCP_CLIENT=/sbin/dhcpxd
+ elif [ -x /sbin/pump ]; then
+ DHCP_CLIENT=/sbin/pump
+ elif [ "$BOOTPROTO" = "auto" -a -x /usr/sbin/avahi-autoipd ]; then
+ DHCP_CLIENT=/usr/sbin/avahi-autoipd
+ else
+ nls "Can't find a DHCP client."
+ exit 1
+ fi
+ fi
}
# Setup Network Address Translation (NAT)
setup_nat()
{
-typeset src via dst
-if [ -r /etc/sysconfig/static-nat ]; then
- if [ "$1" = "on" ]; then
- grep "^[0-9]" /etc/sysconfig/static-nat | while read src via dst; do
- /sbin/ip route add nat $dst via $src
- /sbin/ip rule add from $src nat $dst
- done
- elif [ "$1" = "off" ]; then
- /sbin/ip route show table all | egrep "^nat[[:blank:]]" | while read nat dst via src args; do
- /sbin/ip rule del from $src nat $dst
- /sbin/ip route del nat $dst via $src
- done
+ local src via dst
+
+ if [ -r /etc/sysconfig/static-nat ]; then
+ if [ "$1" = "on" ]; then
+ grep "^[0-9]" /etc/sysconfig/static-nat | while read src via dst; do
+ /sbin/ip route add nat $dst via $src
+ /sbin/ip rule add from $src nat $dst
+ done
+ elif [ "$1" = "off" ]; then
+ LC_ALL=C /sbin/ip route show table all | grep -E "^nat[[:blank:]]" | while read nat dst via src args; do
+ /sbin/ip rule del from $src nat $dst
+ /sbin/ip route del nat $dst via $src
+ done
+ fi
fi
-fi
}
# Setup static ARP
static_arp()
{
-typeset rc arpdev host hwaddr flags neflags
-if is_yes "$STATIC_ARP" && [ -r /etc/ethers ]; then
- if [ -x /sbin/arp ]; then
- run_cmd "Setting static ARP entries" /sbin/arp -f /etc/ethers
- else
- show "Setting static ARP entries"; busy
- rc=0
- arpdev=$(ip link show | awk -F':' '(/UP/) && ! (/NOARP/) && ! (/lo:/) && ! (/NONE:/) { print $2; exit }')
- if [ -z "$arpdev" ]; then
- rc=1
+ local rc arpdev host hwaddr flags neflags
+
+ if is_yes "$STATIC_ARP" && [ -r /etc/ethers ]; then
+ if [ -x /sbin/arp ]; then
+ run_cmd "Setting static ARP entries" /sbin/arp -f /etc/ethers
else
- # ip supports only ip addresses
- grep "^[0-9]" /etc/ethers | \
- while read host hwaddr flags; do
- case "$flags" in
- *temp*)
- neflags="nud stale"
- ;;
- *)
- neflags="nud permanent"
- ;;
- esac
- if ! /sbin/ip neigh add $host lladdr $hwaddr $neflags dev $arpdev; then
- rc=1
- fi
- done
- fi
- if [ "$rc" -gt 0 ]; then
- fail
+ show "Setting static ARP entries"; busy
+ rc=0
+ arpdev=$(ip link show | awk -F':' '(/UP/) && ! (/NOARP/) && ! (/lo:/) && ! (/NONE:/) { print $2; exit }')
+ if [ -z "$arpdev" ]; then
+ rc=1
+ else
+ # ip supports only ip addresses
+ grep "^[0-9]" /etc/ethers | \
+ while read host hwaddr flags; do
+ case "$flags" in
+ *temp*)
+ neflags="nud stale"
+ ;;
+ *)
+ neflags="nud permanent"
+ ;;
+ esac
+ if ! /sbin/ip neigh add $host lladdr $hwaddr $neflags dev $arpdev; then
+ rc=1
+ fi
+ done
+ fi
+ if [ "$rc" -gt 0 ]; then
+ fail
+ fi
fi
fi
-fi
}
static_rarp()
{
-if is_yes "$STATIC_RARP"; then
- if [ ! -e /proc/net/rarp ]; then
- _modprobe single -k rarp
- fi
- if [ -r /etc/ethers -a -x /sbin/rarp ]; then
- run_cmd "Setting static RARP entries" /sbin/rarp -f /etc/ethers
+ if is_yes "$STATIC_RARP"; then
+ if [ ! -e /proc/net/rarp ]; then
+ _modprobe single rarp
+ fi
+ if [ -r /etc/ethers -a -x /sbin/rarp ]; then
+ run_cmd "Setting static RARP entries" /sbin/rarp -f /etc/ethers
+ fi
fi
-fi
-}
-
-vlan_setup()
-{
-if [ -x /sbin/vconfig -a -e /proc/net/vlan/config ] && `echo $DEVICE | grep -q ^eth`; then
- /sbin/vconfig set_name_type DEV_PLUS_VID_NO_PAD 2>&1 > /dev/null
- ETH_VLANS="yes"
-else
- ETH_VLANS="no"
-fi
}
# Set up all IP && IP parameter variables
setup_ip_param ()
{
-# detect network device type (ie. dummy, eth for dummy0, eth0 ..)
-if [ -z "$DEVICETYPE" ]; then
- DEVICETYPE=$(echo $DEVICE | awk ' { gsub(/[0-9]*\.?[0-9]*$/,NUL); print $0 } ')
-fi
-
-# Setup DEVICETYPE for special cases.
-if (echo ${DEVICE} | LC_ALL=C egrep -q '^[a-z0-9]+\.[0-9]+$'); then
- DEVICETYPE=vlan
-fi
-
-# real name of device (ie. is eth0 for eth0,eth0:1,eth0:alias)
-DEVICE=$(echo $DEVICE | awk ' { gsub(/:.*$/,NUL); print $0 } ')
-
-eval IP4ADDR="\$IPADDR${IP4_PRIM_IF:-}"
-if echo "${IP4ADDR}" | grep -q ":" ; then
- IP6ADDR=${IP4ADDR}
- IP4ADDR=""
-else
- eval IP4ADDROPT="\$IP_AOPTS${IP4_PRIM_IF:-}"
- eval IP4ROUTEOPT="\$IP_ROPTS${IP4_PRIM_IF:-}"
-fi
-if [ -n "${IP6_PRIM_IF}" ] ; then
- eval IP6ADDR="\$IPADDR${IP6_PRIM_IF:-}"
- eval IP6ADDROPT="\$IPV6_AOPTS${IP6_PRIM_IF:-}"
-fi
-if [ -n "${IP4_SRC_IF}" ] ; then
- eval IP4SRCADDR="\$IPADDR${IP4_SRC_IF}"
- IP4SRCADDR=$(echo ${IP4SRCADDR} | awk ' { gsub(/\/.*/,NIL); print "src " $0; } ')
-fi
-if [ -n "${IP6_SRC_IF}" ] ; then
- eval IP6SRCADDR="\$IPADDR${IP6_SRC_IF}"
- IP6SRCADDR=$(echo ${IP6SRCADDR} | awk ' { gsub(/\/.*/,NIL); print "src " $0; } ')
-fi
-
-# new rc-scripts 0.4.x option
-if [ -z "$HANDLING" ]; then
- HANDLING=0
-fi
-
-# set handling for bridge
-case "$DEVICETYPE" in
- br|atm|lec|irda|vlan)
+ # detect network device type (ie. dummy, eth for dummy0, eth0 ..)
+ if [ -z "$DEVICETYPE" ]; then
+ DEVICETYPE=$(echo $DEVICE | awk ' { gsub(/[\.:]?[0-9]*[\.:]?[0-9]*$/,NUL); print $0 } ')
+ fi
+
+ # Setup DEVICETYPE for special cases.
+ if echo ${DEVICE} | LC_ALL=C grep -qE '^[a-z0-9]+\.[0-9]+$'; then
+ DEVICETYPE=vlan
+ fi
+
+ # real name of device (ie. is eth0 for eth0,eth0:1,eth0:alias)
+ SUBDEVICE=$(echo "$DEVICE" | grep -E "([0-9]+:[0-9]+)")
+ DEVICE=$(echo $DEVICE | awk ' { gsub(/:.*$/,NUL); print $0 } ')
+
+ eval IP4ADDR="\$IPADDR${IP4_PRIM_IF:-}"
+ # check if ipaddr doesn't contain network length -- use $NETMASK then
+ if [[ "$IP4ADDR" != */* ]] && [ "$NETMASK" ]; then
+ IP4ADDR=$IP4ADDR/$(calcprefix $NETMASK)
+ fi
+
+ # check if we have ipv6 or ipv4 address
+ if [[ "${IP4ADDR}" = *:* ]]; then
+ IP6ADDR=${IP4ADDR}
+ IP4ADDR=""
+ else
+ eval IP4ADDROPT="\$IP_AOPTS${IP4_PRIM_IF:-}"
+ eval IP4ROUTEOPT="\$IP_ROPTS${IP4_PRIM_IF:-}"
+ fi
+ if [ "${IP6_PRIM_IF}" ]; then
+ eval IP6ADDR="\$IPADDR${IP6_PRIM_IF:-}"
+ eval IP6ADDROPT="\$IPV6_AOPTS${IP6_PRIM_IF:-}"
+ eval IP6ADDRLABEL="\$IP_LABEL${IP6_PRIM_IF:-}"
+ fi
+ if [ "${IP4_SRC_IF}" ]; then
+ eval IP4SRCADDR="\$IPADDR${IP4_SRC_IF}"
+ IP4SRCADDR=$(echo ${IP4SRCADDR} | awk ' { gsub(/\/.*/,NIL); print "src " $0; } ')
+ fi
+
+ # new rc-scripts 0.4.x option
+ if [ -z "$HANDLING" ]; then
+ HANDLING=0
+ fi
+
+ # set handling for bridge
+ case "$DEVICETYPE" in
+ br|atm|lec|irda|vlan)
HANDLING=1
;;
-esac
-
-# Multicast ready devices
-if is_yes "$MULTICAST"; then
- MULTICAST="on"
-else
- case "$DEVICETYPE" in
- eth|br)
+ esac
+
+ # Multicast ready devices
+ if is_yes "$MULTICAST"; then
+ MULTICAST="on"
+ else
+ case "$DEVICETYPE" in
+ eth|br)
MULTICAST="on"
;;
- *)
+ *)
MULTICAST="off"
;;
- esac
-fi
+ esac
+ fi
-# ARP ready devices
-if [ -n "$ARP" ] ; then
- if is_yes "$ARP"; then
- ARP="arp on"
- else
- ARP="arp off"
+ # ARP ready devices
+ if [ "$ARP" ]; then
+ if is_yes "$ARP"; then
+ ARP="arp on"
+ else
+ ARP="arp off"
+ fi
fi
-fi
-
}
check_device_down ()
{
- if (ip link show dev ${DEVICE} 2> /dev/null | grep -q UP); then
+ if LC_ALL=C ip link show dev ${DEVICE} 2> /dev/null | grep -q UP; then
return 1
else
return 0
fi
}
-setup_ip_gw_ro ()
+setup_ip_gw_ro ()
{
-# IPv4 gateway
-if is_yes "$IPV4_NETWORKING"; then
- if [ -z "${GATEWAYDEV}" -o "${GATEWAYDEV}" = "${DEVICE}" ]; then
- # set up default gateway
- if [ -n "${GATEWAY}" ]; then
- ip -4 route add default via ${GATEWAY} dev ${DEVICE} ${IP4SRCADDR} onlink
- DEFGW=${GATEWAY}
- elif [ "${GATEWAYDEV}" = "${DEVICE}" ]; then
- ip -4 route add default dev ${DEVICE} ${IP4SRCADDR}
- fi
- fi
-fi
-
-# IPv6 gateway && IPv6 globalroute
-if is_yes "$IPV6_NETWORKING"; then
- if [ -z "${GATEWAY6DEV}" -o "${GATEWAY6DEV}" = "${DEVICE}" ]; then
- # set up default gateway
- if [ -n "${GATEWAY6}" ]; then
- ip -6 route add default via ${GATEWAY6} dev ${DEVICE} ${IP6SRCADDR} onlink
- DEFGW6=${GATEWAY6}
- elif [ "${GATEWAY6DEV}" = "${DEVICE}" ]; then
- ip -6 route add default dev ${DEVICE} ${IP6SRCADDR}
- fi
- fi
- if [ -z "${IPV6_GLOBALROUTEDEV}" -o "${IPV6_GLOBALROUTEDEV}" = "${DEVICE}" ]; then
- # set up default route
- if [ -n "${IPV6_GLOBALROUTEGW}" ]; then
- ip -6 route add 2000::/3 via ${IPV6_GLOBALROUTEGW} dev ${DEVICE} ${IP6SRCADDR} onlink
- elif [ "${IPV6_GLOBALROUTEDEV}" = "${DEVICE}" ]; then
- ip -6 route add 2000::/3 dev ${DEVICE} ${IP6SRCADDR}
- fi
- fi
-fi
+ # IPv4 gateway
+ if is_yes "$IPV4_NETWORKING"; then
+ if [ -z "${GATEWAYDEV}" -o "${GATEWAYDEV}" = "${DEVICE}" ]; then
+ # set up default gateway
+ if [ "${GATEWAY}" ]; then
+ ip -4 route add default via ${GATEWAY} dev ${DEVICE} ${IP4SRCADDR} onlink 2>/dev/null
+ if [ $? = 0 ]; then
+ DEFGW=${GATEWAY}
+ else
+ # The default gateway could be set via eth0, while bringing up eth1 we shouldn't set default gateway again.
+ # To prevent this message just set GATEWAYDEV=eth0 in /etc/sysconfig/network.
+ nls "Warning: Default gateway already set proably via other interface. Do you need to setup GATEWAYDEV?"
+ fi
+ elif [ "${GATEWAYDEV}" = "${DEVICE}" ]; then
+ ip -4 route add default dev ${DEVICE} ${IP4SRCADDR}
+ fi
+ fi
+ fi
+
+ # IPv6 gateway && IPv6 globalroute
+ if is_yes "$IPV6_NETWORKING"; then
+ if [ -z "${GATEWAY6DEV}" -o "${GATEWAY6DEV}" = "${DEVICE}" ]; then
+ # set up default gateway
+ if [ "${GATEWAY6}" ]; then
+ ip -6 route add default via ${GATEWAY6} dev ${DEVICE} ${IP6SRCADDR} onlink
+ DEFGW6=${GATEWAY6}
+ elif [ "${GATEWAY6DEV}" = "${DEVICE}" ]; then
+ ip -6 route add default dev ${DEVICE} ${IP6SRCADDR}
+ fi
+ fi
+ if [ -z "${IPV6_GLOBALROUTEDEV}" -o "${IPV6_GLOBALROUTEDEV}" = "${DEVICE}" ]; then
+ # set up default route
+ if [ "${IPV6_GLOBALROUTEGW}" ]; then
+ ip -6 route add 2000::/3 via ${IPV6_GLOBALROUTEGW} dev ${DEVICE} ${IP6SRCADDR} onlink
+ elif [ "${IPV6_GLOBALROUTEDEV}" = "${DEVICE}" ]; then
+ ip -6 route add 2000::/3 dev ${DEVICE} ${IP6SRCADDR}
+ fi
+ fi
+ fi
}
#
#
setup_routes()
{
-typeset args
-if [ -f /etc/sysconfig/static-routes ]; then
- if [ "$1" = "on" -o "$1" = "yes" ] ; then
- egrep "^(none|any)[[:blank:]]" /etc/sysconfig/static-routes | while read device args; do
- /sbin/ip route add $args
- done
- else
- egrep "^(none|any)[[:blank:]]" /etc/sysconfig/static-routes | while read device args; do
- /sbin/ip route del $args 2>/dev/null
- done
+ local args
+
+ if [ -f /etc/sysconfig/static-routes ]; then
+ if [ "$1" = "on" -o "$1" = "yes" ]; then
+ grep -E "^(none|any)[[:blank:]]" /etc/sysconfig/static-routes | while read device args; do
+ /sbin/ip route add $args
+ done
+ else
+ grep -E "^(none|any)[[:blank:]]" /etc/sysconfig/static-routes | while read device args; do
+ /sbin/ip route del $args 2>/dev/null
+ done
+ fi
+ fi
+ is_no "$IPV6_NETWORKING" && return
+ if [ -f /etc/sysconfig/static-routes6 ]; then
+ if [ "$1" = "on" -o "$1" = "yes" ]; then
+ grep -E "^(none|any)[[:blank:]]" /etc/sysconfig/static-routes6 | while read device args; do
+ /sbin/ip -6 route add $args
+ done
+ else
+ grep -E "^(none|any)[[:blank:]]" /etc/sysconfig/static-routes6 | while read device args; do
+ /sbin/ip -6 route del $args 2>/dev/null
+ done
+ fi
fi
-fi
}
# Add ONLY IPv4 address (IPv6 address is added automaticly)
set_up_loopback()
{
-if is_yes "$IPV4_NETWORKING"; then
- ip addr add 127.0.0.1/8 dev lo
-fi
-ip link set dev lo up
+ if is_yes "$IPV4_NETWORKING"; then
+ ip addr add 127.0.0.1/8 dev lo
+ fi
+ ip link set dev lo up
+ grep -E "^(lo|any)[[:blank:]]" /etc/sysconfig/static-routes | while read device args; do
+ if [[ "$args" = *:* ]]; then
+ is_no "$IPV6_NETWORKING" && continue
+ else
+ is_no "$IPV4_NETWORKING" && continue
+ fi
+ /sbin/ip route add $args dev lo
+ done
+ is_no "$IPV6_NETWORKING" && return
+ grep -E "^(lo|any)[[:blank:]]" /etc/sysconfig/static-routes6 | while read device args; do
+ /sbin/ip -6 route add $args dev lo
+ done
}
set_down_loopback()
{
-ip addr flush dev lo 2>&1 | grep -v "Nothing to flush"
-ip link set dev lo down
+ LC_ALL=C ip addr flush dev lo 2>&1 | grep -v "Nothing to flush"
+ ip link set dev lo down
}
modprobe_net()
{
-if is_yes "$IPV6_NETWORKING" && is_module "ipv6"; then
- _modprobe single -k ipv6
-fi
+ if is_yes "$IPV6_NETWORKING"; then
+ if is_module "ipv6"; then
+ _modprobe single ipv6
+ fi
+ elif [ -d /proc/sys/net/ipv6 ]; then
+ sysctl -w net.ipv6.conf.all.disable_ipv6=1
+ fi
-if is_yes "$IPX" && is_module "ipx"; then
- _modprobe single -k ipx
-fi
+ if is_yes "$IPX" && is_module "ipx"; then
+ _modprobe single ipx
+ fi
}
-#
-# folowing function calculates network prefix from given network mask
-# (c) 1999 Grzegorz Stanislawski <stangrze@open.net.pl>
-#
+# calculate network prefix from given network mask
calcprefix()
{
-typeset OISF len olen bad prefix
-OISF=$IFS
-IFS="."
-prefix=0
-olen=8
-bad=0
-
-for i in $1; do
- len=0
- case $i in
- 255) len=8 ;;
- 254) len=7 ;;
- 252) len=6 ;;
- 248) len=5 ;;
- 240) len=4 ;;
- 224) len=3 ;;
- 192) len=2 ;;
- 128) len=1 ;;
- 0) len=0 ;;
- *) len=300 ;;
- esac
-
- if [ "$len" -gt "$olen" ] ; then bad=1; fi
- prefix=$(($prefix + $len))
- olen=$len
-done
-
-IFS=$OIFS
-if [ "$bad" = "0" ]; then
- echo "$prefix"
-else
- echo "32"
-fi
-return
+ local old_IFS netmask prefix endp
+
+ old_IFS=$IFS
+ IFS='.'
+ netmask=$(echo $1)
+ IFS=$old_IFS
+
+ prefix=0
+ endp=0
+ for n in $netmask; do
+ for i in 128 64 32 16 8 4 2 1; do
+ if [ $(($n & $i)) -ne 0 ]; then
+ if [ $endp -eq 0 ]; then
+ prefix=$(($prefix + 1))
+ else
+ echo "32"
+ return
+ fi
+ else
+ endp=1
+ fi
+ done
+ done
+ echo $prefix
}
-#
-# folowing function calculates network mask from given prefix
+# calculate network mask from given prefix
# (c) 1999 Grzegorz Stanislawski <stangrze@open.net.pl>
-#
calcnetmask()
{
-typeset prefix a MASK
-MASK=""
-if [ "`echo "${1}" | grep "^[0-9]"`" = "" ]; then
- prefix=32
-else
- typeset -i prefix=$1
-fi
-for i in 1 2 3 4; do
- case $prefix in
- 7) a=254 ;;
- 6) a=252 ;;
- 5) a=248 ;;
- 4) a=240 ;;
- 3) a=224 ;;
- 2) a=192 ;;
- 1) a=128 ;;
- *)
- if [ $prefix -ge 8 ]; then a=255; fi
- if [ $prefix -le 0 ]; then a=0; fi
- ;;
- esac
+ local prefix a MASK
- prefix="$(( $prefix - 8))"
- if [ -z "$MASK" ]; then
- MASK=$a
+ MASK=""
+ if [ "${1##[0-9]*}" ]; then
+ prefix=32
else
- MASK=$MASK.$a
+ prefix=$1
fi
-done
+ for i in 1 2 3 4; do
+ case $prefix in
+ 7) a=254;;
+ 6) a=252;;
+ 5) a=248;;
+ 4) a=240;;
+ 3) a=224;;
+ 2) a=192;;
+ 1) a=128;;
+ *)
+ [ $prefix -ge 8 ] && a=255
+ [ $prefix -le 0 ] && a=0
+ ;;
+ esac
+
+ prefix="$(( $prefix - 8))"
+ if [ -z "$MASK" ]; then
+ MASK=$a
+ else
+ MASK=$MASK.$a
+ fi
+ done
-echo $MASK
-return
+ echo $MASK
+ return
}
# Retrievies PPPD PID and real interface name from /var/run/ppp-*.pid
-get_ppp_device_and_pid () {
-
-if [ -f "/var/run/ppp-$DEVNAME.pid" ] ; then
- eval `{
- read PID ; echo "PID='$PID'"
- read REALDEVICE ; echo "REALDEVICE=$REALDEVICE"
- } < "/var/run/ppp-$DEVNAME.pid"`
-fi
-
-if [ -z "$REALDEVICE" ] ; then
- REALDEVICE=$DEVICE
-fi
+get_ppp_device_and_pid ()
+{
+ if [ -f "/var/run/ppp-$DEVNAME.pid" ]; then
+ eval $(
+ {
+ read PID; echo "PID='$PID'"
+ read REALDEVICE; echo "REALDEVICE=$REALDEVICE"
+ } < "/var/run/ppp-$DEVNAME.pid")
+ fi
+
+ if [ -z "$REALDEVICE" ]; then
+ REALDEVICE=$DEVICE
+ fi
}
# following function setups advanced routing rules
# Olgierd Pieczul <wojrus@pld-linux.org>
-setup_ip_rules () {
-typeset args prio from src
-if [ -f /etc/sysconfig/static-routes ] ; then
- if is_yes "$1"; then
- egrep "^(from|to|iif|tos|fwmark|dev|pref|priority|prio)[[:blank:]]" /etc/sysconfig/static-routes | while read args; do
- /sbin/ip rule add $args
- done
- elif is_no "$1"; then
- /sbin/ip rule show | egrep -v -e "from all lookup (main|default|local) \$" -e " map-to " | while read prio from src args; do
- [ "$src" == "all" ] && ip rule delete $args || ip rule delete $from $src $args
- done
- fi
-fi
+setup_ip_rules ()
+{
+ local args prio from src
+
+ if [ -f /etc/sysconfig/static-routes ]; then
+ if is_yes "$1"; then
+ grep -E "^(from|to|iif|tos|fwmark|dev|pref|priority|prio)[[:blank:]]" /etc/sysconfig/static-routes | while read args; do
+ /sbin/ip rule add $args
+ done
+ elif is_no "$1"; then
+ LC_ALL=C /sbin/ip rule show | grep -vE -e "from all lookup (main|default|local) \$" -e " map-to " | while read prio from src args; do
+ [ "$src" = "all" ] && /sbin/ip rule delete $args || /sbin/ip rule delete $from $src $args
+ done
+ fi
+ fi
+ is_no "$IPV6_NETWORKING" && return
+ if [ -f /etc/sysconfig/static-routes6 ]; then
+ if is_yes "$1"; then
+ grep -E "^(from|to|iif|tos|fwmark|dev|pref|priority|prio)[[:blank:]]" /etc/sysconfig/static-routes6 | while read args; do
+ /sbin/ip -6 rule add $args
+ done
+ elif is_no "$1"; then
+ LC_ALL=C /sbin/ip -6 rule show | grep -vE -e "from all lookup (main|default|local) \$" -e " map-to " | while read prio from src args; do
+ [ "$src" = "all" ] && /sbin/ip -6 rule delete $args || /sbin/ip -6 rule delete $from $src $args
+ done
+ fi
+ fi
}
-#
+is_wireless_device ()
+{
+ if [ -x /sbin/iwconfig ]; then
+ LC_ALL=C iwconfig "${1}" 2>&1 | grep -q "no wireless extensions" || return 0
+ fi
+ return 1
+}
+
+wireless_param()
+{
+ device="$1"
+ if [ "$2" = "br" ]; then
+ prefix="${device}_"
+ else
+ prefix=""
+ fi
-is_wireless_device () {
- if [ -x /sbin/iwconfig ]; then
- LC_ALL=C iwconfig "${1}" 2>&1 | grep -q "no wireless extensions" || return 0
- fi
- return 1
+ local val wlan_mode
+
+ # wlan mode needs to be first
+ wlan_mode="$(eval echo \$${prefix}WLAN_MODE)" && [ "$wlan_mode" ] && \
+ iwconfig ${device} mode "$wlan_mode"
+
+ val="$(eval echo \$${prefix}WLAN_NICKNAME)" && [ "$val" ] && \
+ iwconfig ${device} nick "$val"
+
+ val="$(eval echo \$${prefix}WLAN_NWID)" && [ "$val" ] && \
+ iwconfig ${device} nwid "$val"
+
+ if [ "$wlan_mode" != "Managed" -a "$wlan_mode" != "managed" ]; then
+ if val="$(eval echo \$${prefix}WLAN_FREQ)" && [ "$val" ]; then
+ iwconfig ${device} freq "$val"
+ elif val="$(eval echo \$${prefix}WLAN_CHANNEL)" && [ "$val" ]; then
+ iwconfig ${device} channel "$val"
+ fi
+ fi
+
+ val="$(eval echo \$${prefix}WLAN_SENS)" && [ "$val" ] && \
+ iwconfig ${device} sens "$val"
+ val="$(eval echo \$${prefix}WLAN_AP)" && [ "$val" ] && \
+ iwconfig ${device} ap "$val"
+ val="$(eval echo \$${prefix}WLAN_BITRATE)" && [ "$val" ] && \
+ iwconfig ${device} rate "$val"
+ val="$(eval echo \$${prefix}WLAN_RTS_THRESHOLD)" && [ "$val" ] && \
+ iwconfig ${device} rts "$val"
+ val="$(eval echo \$${prefix}WLAN_FRAGMENTATION_THRESHOLD)" && [ "$val" ] && \
+ iwconfig ${device} frag "$val"
+
+ local wlan_encryption="$(eval echo \$${prefix}WLAN_ENCRYPTION)"
+ local wlan_key="$(eval echo \$${prefix}WLAN_KEY)"
+ # TODO: well, actually shouldn't set WLAN_KEY if other keys than current are set
+ if [ "$wlan_key" ]; then
+ # wlan key can contain index of key to set
+ # to set other than current keys suffix with 1-4:
+ local idx
+ for idx in 1 2 3 4; do
+ val="$(eval echo \$${prefix}WLAN_KEY_$idx)"
+ [ "$val" ] || continue
+ iwconfig ${device} key "[$idx]" "$val"
+ done
+ if val="$(eval echo \$${prefix}WLAN_KEY_CURRENT)" && [ "$val" ]; then
+ iwconfig ${device} key "[$val]"
+ else
+ iwconfig ${device} key "$wlan_key"
+ fi
+
+ [ "$wlan_encryption" ] && iwconfig ${device} key "$wlan_encryption"
+ fi
+
+ if is_no "$wlan_encryption"; then
+ iwconfig ${device} key off
+ fi
+ val="$(eval echo \$${prefix}WLAN_POWER)" && [ "$val" ] && \
+ iwconfig ${device} power "$val"
+ val="$(eval echo \$${prefix}WLAN_TXPOWER)" && [ "$val" ] && \
+ iwconfig ${device} txpower "$val"
+ val="$(eval echo \$${prefix}WLAN_RETRY)" && [ "$val" ] && \
+ iwconfig ${device} retry "$val"
+
+ # essid should be last due to network rescanning by wlan devices
+ val="$(eval echo \$${prefix}WLAN_ESSID)" && [ "$val" ] && \
+ iwconfig ${device} essid "$val"
+
+ if is_yes "$(eval echo \$${prefix}WLAN_COMMIT)"; then
+ iwconfig ${device} commit
+ fi
}
-wireless_param () {
-
- device="$1"
- if [ "$2" = "br" ]; then
- prefix="${device}_"
- else
- prefix=""
- fi
-
- if [ -z "$(eval echo \$${prefix}WLAN_NICKNAME)" ]; then
- WLAN_NICKNAME="$(hostname -f)"
- else
- WLAN_NICKANME="$(eval echo \$${prefix}WLAN_NICKNAME)"
- fi
-
- # wlan mode needs to be first
- [ -n "$(eval echo \$${prefix}WLAN_MODE)" ] && iwconfig ${device} \
- mode "$(eval echo \$${prefix}WLAN_MODE)"
- iwconfig ${device} nickname ${WLAN_NICKNAME}
- [ -n "$(eval echo \$${prefix}WLAN_ESSID)" ] && iwconfig ${device} \
- essid "$(eval echo \$${prefix}WLAN_ESSID)"
- [ -n "$(eval echo \$${prefix}WLAN_NWID)" ] && iwconfig ${device} \
- nwid "$(eval echo \$${prefix}WLAN_NWID)"
- if [ -n "$(eval echo \$${prefix}WLAN_FREQ)" -a "$(eval echo \$${prefix}${WLAN_MODE})" != "Managed" ] ; then
- iwconfig ${device} freq "$(eval echo \$${prefix}WLAN_FREQ)"
- elif [ -n "$(eval echo \$${prefix}WLAN_CHANNEL)" -a "$(eval echo \$${prefix}${WLAN_MODE})" != "Managed" ]; then
- iwconfig ${device} \
- channel "$(eval echo \$${prefix}WLAN_CHANNEL)"
- fi
- [ -n "$(eval echo \$${prefix}WLAN_SENS)" ] && iwconfig ${device} \
- sens "$(eval echo \$${prefix}WLAN_SENS)"
- [ -n "$(eval echo \$${prefix}WLAN_AP)" ] && iwconfig ${device} \
- ap "$(eval echo \$${prefix}WLAN_AP)"
- [ -n "$(eval echo \$${prefix}WLAN_BITRATE)" ] && \
- iwconfig ${device} \
- rate "$(eval echo \$${prefix}WLAN_BITRATE)"
- [ -n "$(eval echo \$${prefix}WLAN_RTS_THRESHOLD)" ] && \
- iwconfig ${device} \
- rts "$(eval echo \$${prefix}WLAN_RTS_THRESHOLD)"
- [ -n "$(eval echo \$${prefix}WLAN_FRAGMENTATION_THRESHOLD)" ] && \
- iwconfig ${device} \
- frag "$(eval echo \$${prefix}WLAN_FRAGMENTATION_THRESHOLD)"
- if [ -n "$(eval echo \$${prefix}WLAN_KEY)" ]; then
- iwconfig ${device} key "$(eval echo \$${prefix}WLAN_KEY)"
- [ -n "$(eval echo \$${prefix}WLAN_ENCRYPTION)" ] && \
- iwconfig ${device} \
- key "$(eval echo \$${prefix}WLAN_ENCRYPTION)"
- fi
- if is_no "$(eval echo \$${prefix}WLAN_ENCRYPTION)"; then
- iwconfig ${device} key off
- fi
- [ -n "$(eval echo \$${prefix}WLAN_POWER)" ] && \
- iwconfig ${device} "$(eval echo \$${prefix}WLAN_POWER)"
- [ -n "$(eval echo \$${prefix}WLAN_TXPOWER)" ] && \
- iwconfig ${device} "$(eval echo \$${prefix}WLAN_TXPOWER)"
- [ -n "$(eval echo \$${prefix}WLAN_RETRY)" ] && \
- iwconfig ${device} "$(eval echo \$${prefix}WLAN_RETRY)"
- if is_yes "$(eval echo \$${prefix}WLAN_COMMIT)"; then
- iwconfig ${device} commit
- fi
- [ -n "$(eval echo \$${prefix}WLAN_NWID)" ] && iwconfig ${device} \
- nwid "$(eval echo \$${prefix}WLAN_NWID)"
-
- #essid should be last due to netowork rescanning by wlan devices
- [ -n "$(eval echo \$${prefix}WLAN_ESSID)" ] && iwconfig ${device} \
- essid "$(eval echo \$${prefix}WLAN_ESSID)"
+# returns
+# 0 - no link
+# 1 - link ok
+# 2 - unsupported, unknown return
+check_mii_tool ()
+{
+ [ -x /sbin/mii-tool ] || return 2
+ local output=$(LC_ALL=C mii-tool $1 2>&1)
+ echo $output | grep -q "link ok" && return 1
+ echo $output | grep -q "no link" && return 0
+ return 2
+}
+# returns
+# 0 - link off
+# 1 - link on
+# 2 - unsupported, unknown return
+check_ethtool ()
+{
+ [ -x /sbin/ethtool ] || return 2
+ local output=$(LC_ALL=C ethtool $1 2>&1)
+ echo $output | grep -q "Link detected: yes" && return 1
+ echo $output | grep -q "Link detected: no" && return 0
+ return 2
}
+# returns
+# 0 - radio off
+# 1 - radio on
+# 2 - unsupported
+check_iwconfig ()
+{
+ local output
+ # rfkill state (are there devices with multiple rfkill buttons?)
+ output=$(cat /sys/class/net/${1}/device/rfkill*/state 2> /dev/null)
+ # 1 is rfkill not active
+ [ "$output" = "1" ] && return 1
+ [ "$output" = "0" -o "$output" = "2" ] && return 0
+ [ -x /sbin/iwconfig ] || return 2
+ output=$(LC_ALL=C iwconfig "$1" 2>&1)
+ # "radio off" is ipwxxx only "feature" (and there is no "radio on")
+ echo "$output" | grep -q "radio off" && return 0
+ # XXX: need more generic checks for wifi
+ return 2
+}
-# This must be last line !
-# vi:syntax=sh:tw=78:ts=8:sw=4
+# returns
+# 0 - link down
+# 1 - link up
+# 2 - unknown/unsupported
+check_link_down ()
+{
+ local e i m timeout device max_timeout
+ device="$1"
+ max_timeout="$2"
+
+ if [ ! -x /sbin/mii-tool -a ! -x /sbin/ethtool -a ! -x /sbin/iwconfig ]; then
+ return 2
+ fi
+ [ -z "$max_timeout" ] && max_timeout=6
+
+ if ! LC_ALL=C ip link show dev $device 2>/dev/null | grep -q UP; then
+ ip link set dev $device up >/dev/null 2>&1
+ fi
+ timeout=0
+ while [ $timeout -le $max_timeout ]; do
+ check_ethtool $device
+ e=$?
+ check_iwconfig $device
+ i=$?
+ # trust ethtool and iwconfig
+ if [ $i -eq 1 ] || [ $e -eq 1 ]; then
+ return 1
+ fi
+ # use mii check only if all other check are unsupported
+ # (mii check lies too often)
+ check_mii_tool $device
+ m=$?
+ if [ $m -eq 1 ] && [ $i -eq 2 ] && [ $e -eq 2 ]; then
+ return 1
+ fi
+ usleep 500000
+ timeout=$((timeout+1))
+ done
+ # do not abort dhclient if all the checks are unsupported
+ if [ $m -eq 2 ] && [ $i -eq 2 ] && [ $e -eq 2 ]; then
+ return 2
+ fi
+ return 0
+}
projects / projects / rc-scripts.git / blobdiff