Attachment 245173 Details for Bug 433780

complete /sbin/netconfig

netconfig (text/plain), 11.02 KB, created by Marius Tomaschewski on 2008-10-13 14:27:58 UTC

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Creator: Marius Tomaschewski

Created: 2008-10-13 14:27:58 UTC

Size: 11.02 KB

patch

obsolete

>#!/bin/bash
>#
># Copyright (c) 2008 SUSE LINUX Products GmbH, Nuernberg, Germany.
># This program is free software; you can redistribute it and/or modify it under
># the terms of the GNU General Public License as published by the Free Software
># Foundation; either version 2 of the License, or (at your option) any later
># version.
>#
># This program is distributed in the hope that it will be useful, but WITHOUT
># ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
># FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
># details.
>#
># You should have received a copy of the GNU General Public License along with
># this program; if not, write to the Free Software Foundation, Inc., 59 Temple
># Place, Suite 330, Boston, MA 02111-1307 USA
>#
># Author: Michael Calmer <mc@suse.de>
>#         Marius Tomaschewski <mt@suse.de>
>#
># $Id: netconfig 1750 2008-09-25 15:51:24Z mt $
>#
>
>#
># Exit codes
>#
># 0  success
># 1  error
># 20 a plugin was not able to change the configuration
>#    because it was changed since the last run
>#
>
>
># The environment variable ROOT indicates the root of the system to be
># managed by SuSEconfig when that root is not '/'
>r=$ROOT
>
>. $r/etc/sysconfig/network/scripts/functions.netconfig
>
>PROGNAME=${0##*/}
>STATEDIR=$r/var/run/netconfig/
>
>PLUGINDIR=$r/etc/netconfig.d/
>
>. $r/etc/sysconfig/network/config
>
>INPUTFORMAT=dhcpcd
>
>function modify() {
>    if [ "x$SERVICE" = "x" ]; then
>        warn "No service informations available"
>        unLock "$PROGNAME"
>        exit 1
>    fi
>
>    if test "x${LEASEFILE}" != x -a ! -r "${LEASEFILE}" ; then
>        echo "Unable to read specified input file '${LEASEFILE}'" >&2
>        exit 1
>    fi
>
>    local a b
>    IFS=. read a b < /proc/uptime
>    local CREATETIME=$a
>    local _INTERFACE='' _SERVICE=''
>    local -a KEYS VALS
>
>    if [ "$INPUTFORMAT" == "dhcpcd" ]; then
>        local key val err=0
>        # add CREATETIME at index 0 !!
>        KEYS=('CREATETIME'  'SERVICE')
>        VALS=("$CREATETIME" "$SERVICE")
>        while IFS== read -sr key val ; do
>            test -n "$key" || {
>                test -n "$val" || continue
>                err=$val ; break
>            }
>            case $key in
>                (CREATETIME) continue ;;
>                (SERVICE|INTERFACE)
>                    eval "_$key='$val'"
>                    if test "x${!key}" != x -a "x${!key}" != "x$val" ; then
>                        echo "Input value $key conflicts with command line argument" >&1
>                        exit 1
>                    fi
>                ;;
>            esac
>            for k in ${KEYS[@]} ; do
>                test "x$k" = "x$key" && continue 2
>            done
>            KEYS[${#KEYS[@]}]=$key
>            VALS[${#VALS[@]}]=$val
>        done < <(netconfig_kv_filter ${LEASEFILE:+"$LEASEFILE"})
>        if test $err -ne 0 ; then
>            echo "Invalid syntax in ${LEASEFILE:+${LEASEFILE}, }line $err" >&2
>            exit 1
>        fi
>    else
>	echo "Unsupported lease file / input format '$INPUTFORMAT'" >&2
>	exit 1
>    fi
>
>    # NetworkManager policy merged
>    if [ "x$NETWORKMANAGER" = "xyes" -a \
>	 "x$SERVICE"        = "xNetworkManager" -a \
>	 "x$INTERFACE"      = "x" ] ;
>    then
>        # NetworkManager policy merged config
>        CFGFILE="$STATEDIR/NetworkManager.netconfig"
>
>        # first get the createtime. we want to keep it.
>	get_variable "CREATETIME" "$CFGFILE"
>        KEYS[0]='CREATETIME'
>        VALS[0]="$CREATETIME"
>
>        # remove it also in modify.
>        # We want to create it with the same name again.
>	rm -f "$CFGFILE"
>    else
>	# use interface name from config if provided
>	if [ "x$INTERFACE" = "x" -a "x$_INTERFACE" != "x" ]; then
>	     INTERFACE="$_INTERFACE"
>        fi
>
>	if [ "x$INTERFACE" = "x" ]; then
>            warn "No interface informations available"
>            unLock "$PROGNAME"
>            exit 1
>	fi
>
>        if [ ! -d "$STATEDIR/$INTERFACE" ]; then
>		mkdir -p "$STATEDIR/$INTERFACE" || {
>			warn "Can not create interface state dir"
>			unLock "$PROGNAME"
>			exit 1
>		}
>	fi
>
>        local CFGFILE=`find_cfgfile "$INTERFACE" "$SERVICE"`
>        if [ "x$CFGFILE" != "x" ]; then
>            # first get the createtime. we want to keep it.
>            get_variable CREATETIME "$CFGFILE"
>
>            # remove it also in modify. 
>            # We want to create it with the same name again.
>            rm -f "$CFGFILE"
>        fi
>    
>        if [ "x$CFGFILE" = "x" ]; then
>            local CFGNAME=`get_new_cfgname`
>            CFGFILE="$STATEDIR/$INTERFACE/$CFGNAME"
>        fi
>   fi
>
>   debug "write new STATE file $CFGFILE"
>   for((i=0; i<${#KEYS[@]} && i<${#VALS[@]}; i++)) ; do
>       printf "%s='%s'\n" "${KEYS[$i]}" "${VALS[$i]}"
>   done > "$CFGFILE"
>
>   return 0
>}
>
>function remove() {
>    if [ "x$SERVICE" = "x" ]; then
>        warn "No service informations available"
>        unLock "$PROGNAME"
>        exit 1
>    fi
>
>    # NetworkManager policy merged
>    if [ "x$NETWORKMANAGER" = "xyes" -a \
>	 "x$SERVICE"        = "xNetworkManager" -a \
>	 "x$INTERFACE"      = "x" ] ;
>    then
>        # NetworkManager policy merged config
>        CFGFILE="$STATEDIR/NetworkManager.netconfig"
>
>    else
>	if [ "x$INTERFACE" = "x" ]; then
>            warn "No interface informations available"
>            unLock "$PROGNAME"
>            exit 1
>        fi
>
>        CFGFILE=`find_cfgfile "$INTERFACE" "$SERVICE"`
>    fi
>
>    if [ "x$CFGFILE" != "x" ]; then
>        debug "remove STATE file $CFGFILE"
>        rm -f "$CFGFILE"
>    fi
>
>    return 0
>}
>
>#
># find_cfgfile <interface> <service>
>#
>function find_cfgfile() {
>
>    test -z "$1" && return 1
>    test -z "$2" && return 1
>
>    local INTERFACE=$1
>    local CUR_SERVICE=$2
>
>    for CFG in `ls -X $STATEDIR/$INTERFACE/`; do
>        get_variable "SERVICE" $STATEDIR/$INTERFACE/$CFG
>            
>        if [ "$CUR_SERVICE" = "$SERVICE" ]; then
>                CFGNAME=$CFG
>                echo "$STATEDIR/$INTERFACE/$CFG"
>                return;
>        fi
>    done
>    return 0;
>}
>
>function get_new_cfgname() {
>    local CFGNAME=""
>
>    for CFG in `ls -X -r $STATEDIR/$INTERFACE/`; do
>        CNT=`echo "$CFG" | sed 's/netconfig//'`
>        ((CNT++))
>        CFGNAME="netconfig$CNT"
>        break
>    done
>    
>    if [ "x$CFGNAME" = "x" ]; then
>        CFGNAME="netconfig0"
>    fi
>    echo $CFGNAME;
>}
>
>function run_plugins() {
>    local errors=()
>    local msg=""
>    local ret=0
>
>    if [ -n "$FORCE_REPLACE" ]; then
>        export FORCE_REPLACE=$FORCE_REPLACE
>    fi
>    if [ -n "$r" ]; then
>        export ROOT=$r
>    fi
>
>    debug "Module order: $NETCONFIG_MODULES_ORDER"
>    for plg in $NETCONFIG_MODULES_ORDER; do
>	case $plg in
>	  -*) continue ;;
>	esac
>        if [ ! -x $PLUGINDIR/$plg ]; then
>            continue
>        fi
>        msg=`$PLUGINDIR/$plg 2>&1`
>        if [ "x$msg" != x ]; then
>            errors[${#errors[@]}]="$msg"
>        fi
>        if [ "$?" != "0" ]; then
>            ret=$?
>        fi
>    done
>
>    if [ ${#errors[@]} -gt 0 ]; then
>        for msg in ${errors[@]} ; do
>            echo "$msg"
>        done
>    fi
>    return $ret
>}
>
>
>function usage () 
>{
>    cat << EOT >&2
>  usage:   $PROGNAME <action> <options>
>  action:  modify, update, remove
>  options:                               mandatory for:
>    -s|--service <service>               modify, remove
>    -i|--interface <interface>           remove
>    -l|--lease-file <path>
>    -F|--input-format <format>
>    -f|--force-replace
>    -v|--verbose
>    -h|--help                            (does not need an action)
>
>
>  --force_replace tell the modules to do file changes even if the user
>                  touched them.
>  --input-format  specifies the modify lease / input format; currently
>                  only dhcpcd compatible input format is supported.
>
>  modify requires an interface and service specific settings via STDIN
>         or as file using the --lease-file option.
>         Already existing settings for this interface and service will
>	 be replaced with the new one, otherwise netconfig creates a
> 	 new state file. Finaly, netconfig updates the managed files.
>
>  update updates the managed files with the current set of settings.
>
>  remove removes the interface and service specific settings.
> 
>EOT
>  if [ -n "$1" ] ; then
>     echo "" >&2
>     ERROR="  ERROR:   "
>     echo -e "$*\n" | while read line; do
>       echo "${ERROR}${line}" >&2
>       ERROR="           "
>     done
>  fi
>  exit 1
>}
>
>COMMANDLINE="$@"
>ACTION=""
>SERVICE=""
>INTERFACE=""
>VARIABLE=""
>while true ; do
>    # Interface is checked against sysfs before the data is used;
>    # reject just the most the ugliest characters...
>    REGEX=''
>    case "$1" in
>        -s|--service)   VARIABLE=SERVICE ;
>                        REGEX='^[a-zA-Z0-9_-]+$' ;;
>        -i|--interface) VARIABLE=INTERFACE ;
>                        REGEX='^[^'"'"'`"\\/[:space:][:cntrl:]]+$' ;;
>        -l|--lease-file) VARIABLE=LEASEFILE;;
>        -F|--input-format) VARIABLE=INPUTFORMAT;;
>        -f|--force-replace) FORCE_REPLACE="true";;
>        -v|--verbose) VERBOSE="yes";;
>        -h|--help) usage;;
>        "") break ;;
>        --)
>            shift
>            test -n "$ACTION" -o $# -gt 1 \
>            && usage "Exactly one action may be given.\n"\
>                "Currently given actions: $ACTION $*"
>            ACTION="$1"
>            shift
>            break
>            ;;
>        *)
>        test -n "$ACTION" && usage "Exactly one action may be given.\n"\
>            "Currently given actions: $ACTION $1"
>        ACTION="$1"
>        ;;
>        -*) usage Unknown option $1;;
>    esac
>    if [ -n "$VARIABLE" ] ; then
>        case $2 in
>        (""|-*) usage "Option $1 needs an argument" ;;
>        esac
>        if [ -n "$REGEX" ] ; then
>            if ! [[ ${1} =~ ${REGEX} ]] ; then
>                usage "Invalid character in value for option $VARIABLE"
>            fi
>        fi
>        eval $VARIABLE=\$2
>        shift
>        VARIABLE=""
>    fi
>    shift
>done
>
>test -z "$ACTION" && usage No action was given
>
>if [ "$VERBOSE" = "yes" ]; then
>    export VERBOSE=$VERBOSE
>fi
>
>#
># before we start, check for root
>#
>if test "$UID" != "0" -a "$USER" != root -a -z "$ROOT" ; then
>    echo "You must be root to start $0." >&2
>    exit 1
>fi
>
># Check if we can write in /tmp
>if ! touch $r/tmp &>/dev/null; then
>    echo "Filesystem read only: Cannot modify anything" >&2
>    exit 1
>fi
>
># Set usefull default umask
>umask 0022
>
># Create state directory
>if ! mkdir -p "$STATEDIR" ; then
>    echo "Unable to create netconfig state directory '$STATEDIR'" >&2
>    exit 1
>fi
>
>#
># try to get the lock
>#
>openLockWait "$PROGNAME" 5
>if [ "$?" != 0 ]; then
>    log "open lock for $PROGNAME failed. Abort."
>    exit 1;
>fi
>
>EXITVAL=0
>
>case "$ACTION" in
>    modify)
>           modify
>           if [ "$?" != "0" ]; then EXITVAL=$?; fi
>           run_plugins
>           if [ "$?" != "0" ]; then EXITVAL=$?; fi
>           ;;
>    update)
>           run_plugins
>           if [ "$?" != "0" ]; then EXITVAL=$?; fi
>           ;;
>    remove)
>           remove
>           if [ "$?" != "0" ]; then EXITVAL=$?; fi
>           run_plugins
>           if [ "$?" != "0" ]; then EXITVAL=$?; fi
>           ;;
>    *)
>    usage "Invalid action given.\n"
>    ;;
>esac
>    
>unLock "$PROGNAME"
>
>exit $EXITVAL
>
># vim: set ts=8 sts=4 sw=4 ai et:

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Attachments on bug 433780: 245167 | 245171 | 245173