Attachment 100719 Details for Bug 124022 – /etc/sysconfig/network-scripts/network-functions

/etc/sysconfig/network-scripts/network-functions

network-functions (text/plain), 7.50 KB, created by Teraya on 2004-05-31 18:57:24 UTC

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Creator: Teraya

Created: 2004-05-31 18:57:24 UTC

Size: 7.50 KB

patch

obsolete

># -*-Shell-script-*-
>#
># This file is not a stand-alone shell script; it provides functions 
># to network scripts that source it.
>
># Set up a default search path.
>PATH="/sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin"
>export PATH
>
>get_hwaddr ()
>{
>    LC_ALL= LANG= ip -o link show ${1} 2>/dev/null | \
>      sed 's/.*link\/ether $[[:alnum:]:]*$.*/\1/' | \
>      awk '{ print toupper($0) }'
>}    
>
>need_config ()
>{
>    CONFIG="ifcfg-${1}"
>    [ -f "${CONFIG}" ] && return
>    CONFIG="${1}"
>    [ -f "${CONFIG}" ] && return
>    ## Added by Teraya to fix device aliases / profiles  20040531
>    CONFIG=`fgrep -il "DEVICE=${1}" /etc/sysconfig/networking/profiles/${CURRENT_PROFILE}/ifcfg-*`
>    [ -f "${CONFIG}" ] && return
>    ## --end changes  20040531
>    local addr=`get_hwaddr ${1}`
>    if [ -n "$addr" ]; then
>      local nconfig=`fgrep -il "HWADDR=$addr" /etc/sysconfig/network-scripts/ifcfg-*`
>      if [ -n "$nconfig" ] ; then
>        CONFIG=$nconfig
>	[ -f "${CONFIG}" ] && return
>      fi
>    fi
>}
>
>source_config ()
>{
>    DEVNAME=`basename $CONFIG | sed 's/^ifcfg-//g'`
>
>    if basename $CONFIG | grep -q '[^g]-' ; then
>	PARENTCONFIG=`echo $CONFIG | sed 's/-[^-]*$//g'`
>	PARENTDEVNAME=`basename $PARENTCONFIG | sed 's/^ifcfg-//g'`
>	[ -f $PARENTCONFIG ] || {
>	    echo $"Missing config file $PARENTCONFIG." >&2
>	    exit 1
>	}
>	. $PARENTCONFIG
>	[ -r "keys-$PARENTDEVNAME" ] && . keys-$PARENTDEVNAME
>    fi
>    . $CONFIG
>    [ -r "keys-$DEVNAME" ] && . keys-$DEVNAME
>    case "$TYPE" in
>    	Ethernet)
>		DEVICETYPE="eth"
>		;;
>	CIPE)
>		DEVICETYPE="cipcb"
>		;;
>	IPSEC)
>		DEVICETYPE="ipsec"
>		;;
>	Modem)
>		DEVICETYPE="ppp"
>		;;
>	ISDN)
>		DEVICETYPE="ippp"
>		;;
>	Wireless)
>		DEVICETYPE="eth"
>		;;
>	"Token Ring")
>		DEVICETYPE="eth"
>		;;
>	CTC)
>		DEVICETYPE="ctc"
>		;;
>	IUCV)
>		DEVICETYPE="iucv"
>		;;
>	ESCON)
>		DEVICETYPE="escon"
>		;;
>    esac
>    [ -z "$DEVICETYPE" ] && DEVICETYPE=`echo ${DEVICE} | sed "s/[0-9]*$//"`
>    [ -z "$REALDEVICE" -a -n "$PARENTDEVICE" ] && REALDEVICE=$PARENTDEVICE
>    [ -z "$REALDEVICE" ] && REALDEVICE=${DEVICE%%:*}
>    if [ "${DEVICE}" != "${REALDEVICE}" ]; then
>        ISALIAS=yes
>    else
>	ISALIAS=no
>    fi
>    if [ -n "$HWADDR" ]; then
>        HWADDR=`echo $HWADDR | awk '{ print toupper($0) }'`
>    fi
>    if [ -n "$MACADDR" ]; then
>        MACADDR=`echo $MACADDR | awk '{ print toupper($0) }'`
>    fi
>}
>
>
>
>expand_config ()
>{
>    if [ -z "${NETMASK}" ]; then
>	eval `/bin/ipcalc --netmask ${IPADDR}`
>    fi
>
>    if [ -z "${PREFIX}" ]; then
>	eval `/bin/ipcalc --prefix ${IPADDR} ${NETMASK}`
>    fi
>
>    if [ -z "${BROADCAST}" ]; then
>	eval `/bin/ipcalc --broadcast ${IPADDR} ${NETMASK}`
>    fi
>
>    if [ -z "${NETWORK}" ]; then
>	eval `/bin/ipcalc --network ${IPADDR} ${NETMASK}`
>    fi
>}
>
>toggle_value ()
>{
>    if [ "$2" = "yes"  -o "$2" = "YES" ] ; then
>	echo "$1 on"
>    elif [ "$2" = "no"  -o "$2" = "NO" ] ; then
>	echo "$1 off"
>    else
>	echo ''
>    fi
>}
> 
>do_netreport ()
>{
>  # Notify programs that have requested notification
>  ( cd /var/run/netreport || exit
>    for i in * ; do
>      if [ -f $i ]; then
>        OWNER=`ls -l $i | awk '{ print $3 }'`
>	
>        if [ "`id -u`" = "0" ]; then
>	  su -s /bin/bash $OWNER -c "kill -SIGIO $i >/dev/null 2>&1 || rm -f $i >/dev/null 2>&1" > /dev/null 2>&1
>	else
>	  kill -SIGIO $i >/dev/null 2>&1 || rm -f $i >/dev/null 2>&1
>	fi
>      fi
>    done
>  )
>}
>
># rename_device() - Rename a network device to something else
># $1 - desired name
># $2 - hardware address to name
># $3 - list of devices that are already in use
>#      (for general calls, use the current device you're trying to
>#       change to $1)
>
>rename_device()
>{
>    /sbin/nameif "$1" "$2" || {
>      local hw2=`get_hwaddr ${1}`
>      local nconfig=`fgrep -il "HWADDR=$hw2" /etc/sysconfig/network-scripts/ifcfg-*`
>      local dev=
>      if [ -n "$nconfig"  ]; then
>         dev=$(. $nconfig ; echo $DEVICE)
>         for device in $3 ; do
>	    [ "$dev" = "$device" ] && unset dev
>         done
>      fi 
>      [ -z "$dev" ] && dev=dev$RANDOM
>      rename_device $dev $hw2 "$3 $1"
>      /sbin/nameif "$1" "$2"
>    }
>}
>
>is_available ()
>{
>    LC_ALL= LANG= ip -o link | grep -q $1
>    [ "$?" = "1" ] || return 0
>
>    alias=`modprobe -c | awk "/^(alias|install)[[:space:]]+$1[[:space:]]/ { print \\$3 }"`
>    if [ -z "$alias" -o "$alias" = "off" -o "$alias" = "/bin/true" ]; then
>        return 2
>    fi
>    HOTPLUG=`cat /proc/sys/kernel/hotplug`
>    echo "/bin/true" > /proc/sys/kernel/hotplug
>    modprobe $1 > /dev/null 2>&1 || {
>      echo "$HOTPLUG" > /proc/sys/kernel/hotplug
>      return 1
>    }
>    echo "$HOTPLUG"  > /proc/sys/kernel/hotplug
>    if [ -n "$HWADDR" ]; then
>       local curdev=`ip -o link | awk -F ':' -vIGNORECASE=1 '/$HWADDR/ { print $2 }'`
>       rename_device "$1" "$HWADDR" "$curdev"
>    fi
>    LC_ALL= LANG= ip -o link | grep -q $1
>    return $?
>}
>
>need_hostname ()
>{
>    CHECK_HOSTNAME=`hostname`
>    if [ "$CHECK_HOSTNAME" = "(none)" -o "$CHECK_HOSTNAME" = "localhost" -o \
>	"$CHECK_HOSTNAME" = "localhost.localdomain" ]; then
>	return 0
>    else
>	return 1
>    fi
>}
>
>set_hostname ()
>{
>    hostname $1
>    if ! grep search /etc/resolv.conf >/dev/null 2>&1; then
>	domain=`echo $1 | sed 's/^[^\.]*\.//'`
>	echo "search $domain" >> /etc/resolv.conf
>    fi
>}
>
>check_device_down ()
>{
>    if echo $1 | grep -q ':' ; then
>     if LC_ALL=C ifconfig -a 2>/dev/null | grep -q $1 ; then
>	  return 1
>     else
>	  return 0
>     fi
>    else 
>     if LC_ALL=C ip -o link ls dev $1 2>/dev/null | grep -q ",UP" ; then
>	return 1
>     else
>	return 0
>     fi
>    fi
>}
>
>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
>}
>
>check_default_route ()
>{
>    LC_ALL=C ip route list match 0/0 | grep -q default
>}
>
>find_gateway_dev ()
>{
>    . /etc/sysconfig/network
>    if [ -n "${GATEWAY}" -a "${GATEWAY}" != "none" ] ; then
>	dev=`LC_ALL=C /sbin/ip route | \
>             grep ${GATEWAY} | \
>             sed -e 's/.* dev $[:alnum:]*$/\1/'`
>	if [ -n "$dev" ]; then
>	    GATEWAYDEV="$dev"
>        fi
>    fi
>}
>
>add_default_route ()
>{
>    . /etc/sysconfig/network
>    check_default_route && return 0
>    find_gateway_dev
>    if [ "$GATEWAYDEV" != "" -a -n "${GATEWAY}" -a \
> 		"${GATEWAY}" != "none" ]; then
>        if ! check_device_down $1; then
>            if [ "$GATEWAY" = "0.0.0.0" ]; then
>                /sbin/ip route add default ${WINDOW:+window $WINDOW} dev ${GATEWAYDEV}
>            else
>                /sbin/ip route add default ${WINDOW:+window $WINDOW} via ${GATEWAY}
>            fi
>        fi
>    elif [ -f /etc/default-route ]; then
>	/sbin/ip route add default ${WINDOW:+window $WINDOW} via `cat /etc/default-route`
>	rm -f /etc/default-route
>    fi
>}
>
>is_wireless_device ()
>{
>    [ -x /sbin/iwconfig ] || return 1
>    LC_ALL=C iwconfig $1 2>&1 | grep -q "no wireless extensions" || return 0
>    return 1
>}

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Attachments on bug 124022: 100719 | 101639