[projects/rc-scripts.git] / sysconfig / network-scripts / functions.network

#!/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
}

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
)
}

need_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
}

# 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
    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
	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
}

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
    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)
	HANDLING=1
	;;
esac
		
# Multicast ready devices
if is_yes "$MULTICAST"; then
    MULTICAST="on"
else
    case "$DEVICETYPE" in
	eth|br)
	    MULTICAST="on"
	    ;;
	*)
	    MULTICAST="off"
	    ;;
    esac
fi

# ARP ready devices
if [ -n "$ARP" ] ; then
    if is_yes "$ARP"; then
	ARP="arp on"
    else
	ARP="arp off"
    fi
fi

}

check_device_down ()
{
    if (ip link show dev ${DEVICE} 2> /dev/null | grep -q UP); then
	return 1
    else
	return 0
    fi
}

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
}

#
# following function sets up routes not associated to any device
# eg. unreachable or blackhole routes
# (c) 1999 Jacek Konieczny <jajcus@pld-linux.org>
#
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
    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
}

set_down_loopback()
{
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 "$IPX" && is_module "ipx"; then
    _modprobe single -k ipx
fi
}

#
# folowing function calculates network prefix from given network mask
# (c) 1999 Grzegorz Stanislawski <stangrze@open.net.pl>
#
calcprefix()
{
typeset OISF len olen bad prefix
prefix=0
olen=8
bad=0

for i in 1 2 3 4; do
    len=0
    j=$(echo "$1" | awk -F"." "{ print \$${i} }")
    case "$j" 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

    [ "$len" -gt "$olen" ] && bad=1
    prefix=$(($prefix + $len))
    olen=$len
done

if [ "$bad" = "0" ]; then
    echo "$prefix"
else
    echo "32"
fi
return
}

#
# folowing function calculates 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 ;;
	*)
	    [ $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
}

# 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
}

# 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
}

#

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
    
    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)"

}

check_mii_tool ()
{
    [ -x /sbin/mii-tool ] || return 2
    output=$(LC_ALL=C mii-tool $1 2>&1)
    echo $output | LC_ALL=C grep -q "link ok" && return 1
    echo $output | LC_ALL=C grep -q "no link" && return 0 || return 2
}

check_ethtool ()
{
    [ -x /sbin/ethtool ] || return 2
    output=$(LC_ALL=C ethtool $1 2>&1)
    echo $output | LC_ALL=C grep -q "Link detected: yes" && return 1
    echo $output | LC_ALL=C grep -q "Link detected: no" && return 0 || return 2
}


check_link_down ()
{
    if [ -x /sbin/mii-tool -o -x /sbin/ethtool ]; then
	if ! LC_ALL=C ip link show dev $1 2>/dev/null| grep -q UP ; then
	    ip link set dev $1 up >/dev/null 2>&1
	    timeout=0
	    while [ $timeout -le 10 ]; do
		check_mii_tool $1
		m=$?
		check_ethtool $1
		e=$?
		if [ $m -eq 1 ] || [ $e -eq 1 ] ; then
		    return 1
		fi
		if [ $m -eq 2 ] && [ $e -eq 2 ] ; then
		    return 1
		fi
		usleep 500000
		timeout=$((timeout+1))
	    done
	    return 0
	fi
    fi
    return 1
}

# This must be last line !
# vi:syntax=sh:ts=8:sw=4
Commit	Line	Data
356d834b	1	#!/bin/sh - keep it for file(1) to get bourne shell script result
b0443108	2	#
ec8b15cb	3	# $Id$
dd8b6525	4	#
7e04fe0e	5	# This is not a shell script; it provides functions to network scripts
	6	# that source it.
	7
	8	source_config ()
	9	{
e9e86175	10	DEVNAME=$(basename "$CONFIG" \| awk ' { gsub(/^ifcfg-/,NIL); print $0; } ')
111f7a0d	11
cdab3b96	12	if echo "$CONFIG"\|egrep "^/" >/dev/null 2>&1 ; then
74a7f2e4	13	if [ -f "$CONFIG" ] ; then
	14	. "$CONFIG"
	15	fi
cdab3b96	16	elif [ -f "/etc/sysconfig/interfaces/$CONFIG" ] ; then
74a7f2e4	17	. "/etc/sysconfig/interfaces/$CONFIG"
cdab3b96	18	fi
fa8aca70	19	if [ -n "${PREFIX}" ] && ! $(echo $IPADDR \| grep "/" 2>&1 >/dev/null) ; then
74a7f2e4	20	IPADDR="$IPADDR/$PREFIX"
fa8aca70	21	fi
7e04fe0e	22	}
	23
	24	do_netreport ()
	25	{
cdab3b96	26	# Notify programs that have requested notification
	27	( cd /var/run/netreport \|\| exit
	28	for i in * ; do
74a7f2e4	29	[ -f $i ] && \
	30	kill -SIGIO $i >/dev/null 2>&1 \|\| \
	31	rm -f $i >/dev/null 2>&1
cdab3b96	32	done
cdab3b96	33	)
7e04fe0e	34	}
	35
	36	need_hostname()
	37	{
cdab3b96	38	if [ "`hostname`" = "(none)" -o "`hostname`" = "localhost" -o \
74a7f2e4	39	"`hostname`" = "localhost.localdomain" ]; then
74a7f2e4	40	NEEDHOSTNAME=yes
cdab3b96	41	else
74a7f2e4	42	unset NEEDHOSTNAME
cdab3b96	43	fi
7e04fe0e	44	}
	45
	46	set_hostname()
	47	{
da1fc19d	48	typeset hostname domain
e9e86175 AM	49	hostname=$(echo $1 \| awk ' { gsub(/\..*$/,NIL); print $0; } ')
e9e86175 AM	50	domain=$(echo $1 \| awk ' { sub(/^[^\.]*\./,NIL); print $0; } ')
c159d0a7 JK	51
c159d0a7 JK	52	if [ -n "$hostname" ] ; then
74a7f2e4	53	echo "$hostname" > /etc/HOSTNAME
74a7f2e4	54	hostname $hostname
c159d0a7 JK	55	fi
	56
	57	if [ -n "$domain" ] ; then
74a7f2e4	58	>/etc/resolv.conf.new
	59	if ! grep -q "search $domain" /etc/resolv.conf ; then
	60	echo "search $domain" >> /etc/resolv.conf.new
	61	fi
	62	echo "domain $domain" >> /etc/resolv.conf.new
	63	grep -v "^domain " /etc/resolv.conf >> /etc/resolv.conf.new
	64	mv -f /etc/resolv.conf.new /etc/resolv.conf
cdab3b96	65	fi
7e04fe0e	66	}
7e04fe0e	67
767c8707 AM	68	# Setup Network Address Translation (NAT)
	69	setup_nat()
	70	{
fa8aca70	71	typeset src via dst
cdab3b96	72	if [ -r /etc/sysconfig/static-nat ]; then
74a7f2e4	73	if [ "$1" = "on" ]; then
	74	grep "^[0-9]" /etc/sysconfig/static-nat \| while read src via dst; do
	75	/sbin/ip route add nat $dst via $src
	76	/sbin/ip rule add from $src nat $dst
	77	done
	78	elif [ "$1" = "off" ]; then
	79	/sbin/ip route show table all \| egrep "^nat[[:blank:]]" \| while read nat dst via src args; do
	80	/sbin/ip rule del from $src nat $dst
	81	/sbin/ip route del nat $dst via $src
	82	done
	83	fi
cdab3b96	84	fi
767c8707 AM	85	}
767c8707 AM	86
fa8aca70 JR	87	# Setup static ARP
fa8aca70 JR	88	static_arp()
7e04fe0e	89	{
fa8aca70 JR	90	typeset rc arpdev host hwaddr flags neflags
fa8aca70 JR	91	if is_yes "$STATIC_ARP" && [ -r /etc/ethers ]; then
74a7f2e4	92	if [ -x /sbin/arp ]; then
	93	run_cmd "Setting static ARP entries" /sbin/arp -f /etc/ethers
	94	else
	95	show "Setting static ARP entries"; busy
	96	rc=0
	97	arpdev=$(ip link show \| awk -F':' '(/UP/) && ! (/NOARP/) && ! (/lo:/) && ! (/NONE:/) { print $2; exit }')
	98	if [ -z "$arpdev" ]; then
	99	rc=1
fa8aca70	100	else
74a7f2e4	101	# ip supports only ip addresses
	102	grep "^[0-9]" /etc/ethers \| \
	103	while read host hwaddr flags; do
	104	case "$flags" in
	105	temp)
	106	neflags="nud stale"
	107	;;
	108	*)
	109	neflags="nud permanent"
	110	;;
	111	esac
	112	if ! /sbin/ip neigh add $host lladdr $hwaddr $neflags dev $arpdev; then
	113	rc=1
0a6161f2	114	fi
74a7f2e4	115	done
	116	fi
	117	if [ "$rc" -gt 0 ]; then
	118	fail
cdab3b96	119	fi
74a7f2e4	120	fi
ea822d66	121	fi
7e04fe0e	122	}
7e04fe0e	123
fa8aca70	124	static_rarp()
7e04fe0e	125	{
fa8aca70	126	if is_yes "$STATIC_RARP"; then
74a7f2e4	127	if [ ! -e /proc/net/rarp ]; then
	128	_modprobe single -k rarp
	129	fi
	130	if [ -r /etc/ethers -a -x /sbin/rarp ]; then
	131	run_cmd "Setting static RARP entries" /sbin/rarp -f /etc/ethers
	132	fi
7e04fe0e	133	fi
e9e86175 AM	134	}
e9e86175 AM	135
fa8aca70	136	vlan_setup()
e9e86175	137	{
d4b86031	138	if [ -x /sbin/vconfig -a -e /proc/net/vlan/config ] && `echo $DEVICE \| grep -q ^eth`; then
74a7f2e4	139	/sbin/vconfig set_name_type DEV_PLUS_VID_NO_PAD 2>&1 > /dev/null
74a7f2e4	140	ETH_VLANS="yes"
fa8aca70	141	else
74a7f2e4	142	ETH_VLANS="no"
0a6161f2	143	fi
de1fc6ce JR	144	}
de1fc6ce JR	145
fa8aca70 JR	146	# Set up all IP && IP parameter variables
fa8aca70 JR	147	setup_ip_param ()
38198f50	148	{
fa8aca70	149	# detect network device type (ie. dummy, eth for dummy0, eth0 ..)
90d6f40f	150	if [ -z "$DEVICETYPE" ]; then
74a7f2e4	151	DEVICETYPE=$(echo $DEVICE \| awk ' { gsub(/[0-9]\.?[0-9]$/,NUL); print $0 } ')
90d6f40f SZ	152	fi
90d6f40f SZ	153
a6c22d3d AM	154	# Setup DEVICETYPE for special cases.
	155	if (echo ${DEVICE} \| LC_ALL=C egrep -q '^[a-z0-9]+\.[0-9]+$'); then
	156	DEVICETYPE=vlan
	157	fi
	158
fa8aca70 JR	159	# real name of device (ie. is eth0 for eth0,eth0:1,eth0:alias)
	160	DEVICE=$(echo $DEVICE \| awk ' { gsub(/:.*$/,NUL); print $0 } ')
	161
	162	eval IP4ADDR="\$IPADDR${IP4_PRIM_IF:-}"
aff75369	163	if echo "${IP4ADDR}" \| grep -q ":" ; then
74a7f2e4	164	IP6ADDR=${IP4ADDR}
74a7f2e4	165	IP4ADDR=""
aff75369	166	else
74a7f2e4	167	eval IP4ADDROPT="\$IP_AOPTS${IP4_PRIM_IF:-}"
74a7f2e4	168	eval IP4ROUTEOPT="\$IP_ROPTS${IP4_PRIM_IF:-}"
aff75369	169	fi
fa8aca70	170	if [ -n "${IP6_PRIM_IF}" ] ; then
74a7f2e4	171	eval IP6ADDR="\$IPADDR${IP6_PRIM_IF:-}"
74a7f2e4	172	eval IP6ADDROPT="\$IPV6_AOPTS${IP6_PRIM_IF:-}"
fa8aca70 JR	173	fi
fa8aca70 JR	174	if [ -n "${IP4_SRC_IF}" ] ; then
74a7f2e4	175	eval IP4SRCADDR="\$IPADDR${IP4_SRC_IF}"
74a7f2e4	176	IP4SRCADDR=$(echo ${IP4SRCADDR} \| awk ' { gsub(/\/.*/,NIL); print "src " $0; } ')
fa8aca70 JR	177	fi
fa8aca70 JR	178	if [ -n "${IP6_SRC_IF}" ] ; then
74a7f2e4	179	eval IP6SRCADDR="\$IPADDR${IP6_SRC_IF}"
74a7f2e4	180	IP6SRCADDR=$(echo ${IP6SRCADDR} \| awk ' { gsub(/\/.*/,NIL); print "src " $0; } ')
fa8aca70 JR	181	fi
fa8aca70 JR	182
fa8aca70 JR	183	# new rc-scripts 0.4.x option
fa8aca70 JR	184	if [ -z "$HANDLING" ]; then
74a7f2e4	185	HANDLING=0
fa8aca70 JR	186	fi
	187
	188	# set handling for bridge
	189	case "$DEVICETYPE" in
74a7f2e4	190	br\|atm\|lec\|irda\|vlan)
	191	HANDLING=1
	192	;;
fa8aca70 JR	193	esac
	194
	195	# Multicast ready devices
	196	if is_yes "$MULTICAST"; then
74a7f2e4	197	MULTICAST="on"
fa8aca70	198	else
74a7f2e4	199	case "$DEVICETYPE" in
	200	eth\|br)
	201	MULTICAST="on"
	202	;;
	203	*)
	204	MULTICAST="off"
	205	;;
	206	esac
fa8aca70 JR	207	fi
	208
	209	# ARP ready devices
3d121e27	210	if [ -n "$ARP" ] ; then
74a7f2e4	211	if is_yes "$ARP"; then
	212	ARP="arp on"
	213	else
	214	ARP="arp off"
	215	fi
fa8aca70	216	fi
74a7f2e4	217
38198f50 AM	218	}
38198f50 AM	219
fa8aca70	220	check_device_down ()
38198f50	221	{
74a7f2e4	222	if (ip link show dev ${DEVICE} 2> /dev/null \| grep -q UP); then
	223	return 1
	224	else
	225	return 0
	226	fi
38198f50 AM	227	}
38198f50 AM	228
fa8aca70	229	setup_ip_gw_ro ()
38198f50	230	{
fa8aca70 JR	231	# IPv4 gateway
fa8aca70 JR	232	if is_yes "$IPV4_NETWORKING"; then
74a7f2e4	233	if [ -z "${GATEWAYDEV}" -o "${GATEWAYDEV}" = "${DEVICE}" ]; then
	234	# set up default gateway
	235	if [ -n "${GATEWAY}" ]; then
	236	ip -4 route add default via ${GATEWAY} dev ${DEVICE} ${IP4SRCADDR} onlink
	237	DEFGW=${GATEWAY}
	238	elif [ "${GATEWAYDEV}" = "${DEVICE}" ]; then
	239	ip -4 route add default dev ${DEVICE} ${IP4SRCADDR}
0a6161f2	240	fi
74a7f2e4	241	fi
0a6161f2	242	fi
fa8aca70 JR	243
	244	# IPv6 gateway && IPv6 globalroute
	245	if is_yes "$IPV6_NETWORKING"; then
74a7f2e4	246	if [ -z "${GATEWAY6DEV}" -o "${GATEWAY6DEV}" = "${DEVICE}" ]; then
	247	# set up default gateway
	248	if [ -n "${GATEWAY6}" ]; then
	249	ip -6 route add default via ${GATEWAY6} dev ${DEVICE} ${IP6SRCADDR} onlink
	250	DEFGW6=${GATEWAY6}
	251	elif [ "${GATEWAY6DEV}" = "${DEVICE}" ]; then
	252	ip -6 route add default dev ${DEVICE} ${IP6SRCADDR}
820d3792	253	fi
74a7f2e4	254	fi
	255	if [ -z "${IPV6_GLOBALROUTEDEV}" -o "${IPV6_GLOBALROUTEDEV}" = "${DEVICE}" ]; then
	256	# set up default route
	257	if [ -n "${IPV6_GLOBALROUTEGW}" ]; then
	258	ip -6 route add 2000::/3 via ${IPV6_GLOBALROUTEGW} dev ${DEVICE} ${IP6SRCADDR} onlink
	259	elif [ "${IPV6_GLOBALROUTEDEV}" = "${DEVICE}" ]; then
	260	ip -6 route add 2000::/3 dev ${DEVICE} ${IP6SRCADDR}
	261	fi
	262	fi
fa8aca70	263	fi
0a6161f2	264	}
0a6161f2	265
fa8aca70 JR	266	#
	267	# following function sets up routes not associated to any device
	268	# eg. unreachable or blackhole routes
ec8b15cb	269	# (c) 1999 Jacek Konieczny <jajcus@pld-linux.org>
fa8aca70 JR	270	#
fa8aca70 JR	271	setup_routes()
0a6161f2	272	{
fa8aca70 JR	273	typeset args
fa8aca70 JR	274	if [ -f /etc/sysconfig/static-routes ]; then
74a7f2e4	275	if [ "$1" = "on" -o "$1" = "yes" ] ; then
	276	egrep "^(none\|any)[[:blank:]]" /etc/sysconfig/static-routes \| while read device args; do
	277	/sbin/ip route add $args
	278	done
	279	else
	280	egrep "^(none\|any)[[:blank:]]" /etc/sysconfig/static-routes \| while read device args; do
	281	/sbin/ip route del $args 2>/dev/null
	282	done
	283	fi
38198f50	284	fi
0a6161f2	285	}
38198f50	286
fa8aca70 JR	287	# Add ONLY IPv4 address (IPv6 address is added automaticly)
fa8aca70 JR	288	set_up_loopback()
0a6161f2	289	{
fa8aca70	290	if is_yes "$IPV4_NETWORKING"; then
74a7f2e4	291	ip addr add 127.0.0.1/8 dev lo
0a6161f2	292	fi
3d121e27	293	ip link set dev lo up
fa8aca70 JR	294	}
	295
	296	set_down_loopback()
	297	{
	298	ip addr flush dev lo 2>&1 \| grep -v "Nothing to flush"
	299	ip link set dev lo down
0a6161f2	300	}
	301
	302	modprobe_net()
	303	{
fa8aca70	304	if is_yes "$IPV6_NETWORKING" && is_module "ipv6"; then
74a7f2e4	305	_modprobe single -k ipv6
fa8aca70 JR	306	fi
	307
	308	if is_yes "$IPX" && is_module "ipx"; then
74a7f2e4	309	_modprobe single -k ipx
cdab3b96	310	fi
e016cdae	311	}
7e04fe0e	312
490f6163	313	#
490f6163	314	# folowing function calculates network prefix from given network mask
490f6163	315	# (c) 1999 Grzegorz Stanislawski <stangrze@open.net.pl>
490f6163	316	#
fa8aca70 JR	317	calcprefix()
fa8aca70 JR	318	{
da1fc19d	319	typeset OISF len olen bad prefix
85ebccea	320	prefix=0
	321	olen=8
	322	bad=0
b54a1de8	323
aa745eb2	324	for i in 1 2 3 4; do
74a7f2e4	325	len=0
aa745eb2 AM	326	j=$(echo "$1" \| awk -F"." "{ print \$${i} }")
aa745eb2 AM	327	case "$j" in
85ebccea	328	255) len=8 ;;
	329	254) len=7 ;;
	330	252) len=6 ;;
	331	248) len=5 ;;
	332	240) len=4 ;;
	333	224) len=3 ;;
	334	192) len=2 ;;
	335	128) len=1 ;;
	336	0) len=0 ;;
	337	*) len=300 ;;
74a7f2e4	338	esac
85ebccea	339
74a7f2e4	340	[ "$len" -gt "$olen" ] && bad=1
	341	prefix=$(($prefix + $len))
	342	olen=$len
85ebccea	343	done
85ebccea	344
830949ca	345	if [ "$bad" = "0" ]; then
74a7f2e4	346	echo "$prefix"
85ebccea	347	else
74a7f2e4	348	echo "32"
85ebccea	349	fi
85ebccea	350	return
490f6163	351	}
85ebccea	352
5379c9d4	353	#
	354	# folowing function calculates network mask from given prefix
	355	# (c) 1999 Grzegorz Stanislawski <stangrze@open.net.pl>
	356	#
fa8aca70 JR	357	calcnetmask()
fa8aca70 JR	358	{
da1fc19d	359	typeset prefix a MASK
bd69a65a	360	MASK=""
830949ca	361	if [ "`echo "${1}" \| grep "^[0-9]"`" = "" ]; then
74a7f2e4	362	prefix=32
4ac87c24	363	else
74a7f2e4	364	typeset -i prefix=$1
4ac87c24	365	fi
b54a1de8	366	for i in 1 2 3 4; do
74a7f2e4	367	case $prefix in
85ebccea	368	7) a=254 ;;
	369	6) a=252 ;;
	370	5) a=248 ;;
	371	4) a=240 ;;
	372	3) a=224 ;;
	373	2) a=192 ;;
	374	1) a=128 ;;
	375	*)
74a7f2e4	376	[ $prefix -ge 8 ] && a=255
	377	[ $prefix -le 0 ] && a=0
	378	;;
	379	esac
	380
	381	prefix="$(( $prefix - 8))"
	382	if [ -z "$MASK" ]; then
	383	MASK=$a
	384	else
	385	MASK=$MASK.$a
	386	fi
85ebccea	387	done
85ebccea	388
5379c9d4	389	echo $MASK
	390	return
	391	}
47dbf68e	392
dd8b6525 JK	393	# Retrievies PPPD PID and real interface name from /var/run/ppp-*.pid
	394	get_ppp_device_and_pid () {
	395
fb51ba82	396	if [ -f "/var/run/ppp-$DEVNAME.pid" ] ; then
74a7f2e4	397	eval `{
	398	read PID ; echo "PID='$PID'"
	399	read REALDEVICE ; echo "REALDEVICE=$REALDEVICE"
	400	} < "/var/run/ppp-$DEVNAME.pid"`
fa8aca70	401	fi
c3bd5d9f	402
fa8aca70 JR	403	if [ -z "$REALDEVICE" ] ; then
	404	REALDEVICE=$DEVICE
	405	fi
dd8b6525	406	}
c3bd5d9f	407
e686ef49	408	# following function setups advanced routing rules
ec8b15cb	409	# Olgierd Pieczul <wojrus@pld-linux.org>
e686ef49	410	setup_ip_rules () {
492f0ebc	411	typeset args prio from src
9d1264e0	412	if [ -f /etc/sysconfig/static-routes ] ; then
74a7f2e4	413	if is_yes "$1"; then
	414	egrep "^(from\|to\|iif\|tos\|fwmark\|dev\|pref\|priority\|prio)[[:blank:]]" /etc/sysconfig/static-routes \| while read args; do
	415	/sbin/ip rule add $args
	416	done
	417	elif is_no "$1"; then
	418	/sbin/ip rule show \| egrep -v -e "from all lookup (main\|default\|local) \$" -e " map-to " \| while read prio from src args; do
	419	[ "$src" == "all" ] && ip rule delete $args \|\| ip rule delete $from $src $args
	420	done
	421	fi
e686ef49	422	fi
e686ef49	423	}
6d145c04	424
a6c22d3d AM	425	#
	426
	427	is_wireless_device () {
	428	if [ -x /sbin/iwconfig ]; then
	429	LC_ALL=C iwconfig "${1}" 2>&1 \| grep -q "no wireless extensions" \|\| return 0
	430	fi
	431	return 1
	432	}
	433
2ae29436 AM	434	wireless_param () {
	435
	436	device="$1"
	437	if [ "$2" = "br" ]; then
	438	prefix="${device}_"
	439	else
	440	prefix=""
	441	fi
	442
	443	if [ -z "$(eval echo \$${prefix}WLAN_NICKNAME)" ]; then
	444	WLAN_NICKNAME="$(hostname -f)"
	445	else
	446	WLAN_NICKANME="$(eval echo \$${prefix}WLAN_NICKNAME)"
	447	fi
	448
	449	# wlan mode needs to be first
74a7f2e4	450	[ -n "$(eval echo \$${prefix}WLAN_MODE)" ] && \
74a7f2e4	451	iwconfig ${device} mode "$(eval echo \$${prefix}WLAN_MODE)"
02fb1c17	452	iwconfig ${device} nickname ${WLAN_NICKNAME}
74a7f2e4	453	[ -n "$(eval echo \$${prefix}WLAN_ESSID)" ] && \
	454	iwconfig ${device} essid "$(eval echo \$${prefix}WLAN_ESSID)"
	455	[ -n "$(eval echo \$${prefix}WLAN_NWID)" ] && \
	456	iwconfig ${device} nwid "$(eval echo \$${prefix}WLAN_NWID)"
2ae29436 AM	457	if [ -n "$(eval echo \$${prefix}WLAN_FREQ)" -a "$(eval echo \$${prefix}${WLAN_MODE})" != "Managed" ] ; then
	458	iwconfig ${device} freq "$(eval echo \$${prefix}WLAN_FREQ)"
	459	elif [ -n "$(eval echo \$${prefix}WLAN_CHANNEL)" -a "$(eval echo \$${prefix}${WLAN_MODE})" != "Managed" ]; then
74a7f2e4	460	iwconfig ${device} channel "$(eval echo \$${prefix}WLAN_CHANNEL)"
2ae29436	461	fi
74a7f2e4	462	[ -n "$(eval echo \$${prefix}WLAN_SENS)" ] && \
	463	iwconfig ${device} sens "$(eval echo \$${prefix}WLAN_SENS)"
	464	[ -n "$(eval echo \$${prefix}WLAN_AP)" ] && \
	465	iwconfig ${device} ap "$(eval echo \$${prefix}WLAN_AP)"
2ae29436	466	[ -n "$(eval echo \$${prefix}WLAN_BITRATE)" ] && \
74a7f2e4	467	iwconfig ${device} rate "$(eval echo \$${prefix}WLAN_BITRATE)"
2ae29436	468	[ -n "$(eval echo \$${prefix}WLAN_RTS_THRESHOLD)" ] && \
74a7f2e4	469	iwconfig ${device} rts "$(eval echo \$${prefix}WLAN_RTS_THRESHOLD)"
2ae29436	470	[ -n "$(eval echo \$${prefix}WLAN_FRAGMENTATION_THRESHOLD)" ] && \
74a7f2e4	471	iwconfig ${device} frag "$(eval echo \$${prefix}WLAN_FRAGMENTATION_THRESHOLD)"
2ae29436 AM	472	if [ -n "$(eval echo \$${prefix}WLAN_KEY)" ]; then
	473	iwconfig ${device} key "$(eval echo \$${prefix}WLAN_KEY)"
	474	[ -n "$(eval echo \$${prefix}WLAN_ENCRYPTION)" ] && \
74a7f2e4	475	iwconfig ${device} key "$(eval echo \$${prefix}WLAN_ENCRYPTION)"
2ae29436 AM	476	fi
	477	if is_no "$(eval echo \$${prefix}WLAN_ENCRYPTION)"; then
	478	iwconfig ${device} key off
	479	fi
	480	[ -n "$(eval echo \$${prefix}WLAN_POWER)" ] && \
74a7f2e4	481	iwconfig ${device} "$(eval echo \$${prefix}WLAN_POWER)"
2ae29436	482	[ -n "$(eval echo \$${prefix}WLAN_TXPOWER)" ] && \
74a7f2e4	483	iwconfig ${device} "$(eval echo \$${prefix}WLAN_TXPOWER)"
2ae29436	484	[ -n "$(eval echo \$${prefix}WLAN_RETRY)" ] && \
74a7f2e4	485	iwconfig ${device} "$(eval echo \$${prefix}WLAN_RETRY)"
2ae29436 AM	486	if is_yes "$(eval echo \$${prefix}WLAN_COMMIT)"; then
	487	iwconfig ${device} commit
	488	fi
	489	[ -n "$(eval echo \$${prefix}WLAN_NWID)" ] && iwconfig ${device} \
74a7f2e4	490	nwid "$(eval echo \$${prefix}WLAN_NWID)"
2ae29436 AM	491
	492	#essid should be last due to netowork rescanning by wlan devices
	493	[ -n "$(eval echo \$${prefix}WLAN_ESSID)" ] && iwconfig ${device} \
74a7f2e4	494	essid "$(eval echo \$${prefix}WLAN_ESSID)"
2ae29436 AM	495
	496	}
	497
0336ea13 AM	498	check_mii_tool ()
0336ea13 AM	499	{
74a7f2e4	500	[ -x /sbin/mii-tool ] \|\| return 2
	501	output=$(LC_ALL=C mii-tool $1 2>&1)
	502	echo $output \| LC_ALL=C grep -q "link ok" && return 1
	503	echo $output \| LC_ALL=C grep -q "no link" && return 0 \|\| return 2
0336ea13 AM	504	}
	505
	506	check_ethtool ()
	507	{
74a7f2e4	508	[ -x /sbin/ethtool ] \|\| return 2
	509	output=$(LC_ALL=C ethtool $1 2>&1)
	510	echo $output \| LC_ALL=C grep -q "Link detected: yes" && return 1
	511	echo $output \| LC_ALL=C grep -q "Link detected: no" && return 0 \|\| return 2
0336ea13 AM	512	}
	513
	514
	515	check_link_down ()
	516	{
	517	if [ -x /sbin/mii-tool -o -x /sbin/ethtool ]; then
74a7f2e4	518	if ! LC_ALL=C ip link show dev $1 2>/dev/null\| grep -q UP ; then
	519	ip link set dev $1 up >/dev/null 2>&1
	520	timeout=0
	521	while [ $timeout -le 10 ]; do
	522	check_mii_tool $1
	523	m=$?
	524	check_ethtool $1
	525	e=$?
	526	if [ $m -eq 1 ] \|\| [ $e -eq 1 ] ; then
	527	return 1
	528	fi
	529	if [ $m -eq 2 ] && [ $e -eq 2 ] ; then
	530	return 1
	531	fi
	532	usleep 500000
	533	timeout=$((timeout+1))
	534	done
	535	return 0
	536	fi
0336ea13 AM	537	fi
	538	return 1
	539	}
2ae29436	540
e9e86175	541	# This must be last line !
31abb21f	542	# vi:syntax=sh:ts=8:sw=4