chbind (3777B)
1 #! /bin/bash 2 # $Id$ 3 4 # Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de> 5 # Copyright (C) 2006 Daniel Hokka Zakrisson 6 # 7 # This program is free software; you can redistribute it and/or modify 8 # it under the terms of the GNU General Public License as published by 9 # the Free Software Foundation; version 2 of the License. 10 # 11 # This program is distributed in the hope that it will be useful, 12 # but WITHOUT ANY WARRANTY; without even the implied warranty of 13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 # GNU General Public License for more details. 15 # 16 # You should have received a copy of the GNU General Public License 17 # along with this program; if not, write to the Free Software 18 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19 20 : ${UTIL_VSERVER_VARS:=/usr/lib/util-vserver/util-vserver-vars} 21 test -e "$UTIL_VSERVER_VARS" || { 22 echo $"Can not find util-vserver installation (the file '$UTIL_VSERVER_VARS' would be expected); aborting..." >&2 23 exit 1 24 } 25 . "$UTIL_VSERVER_VARS" 26 . "$_LIB_FUNCTIONS" 27 28 function showHelp() 29 { 30 echo \ 31 $"Usage: $1 [--silent] [--nid <nid>] [--ip <ip_num>[/<mask>]] 32 [--lback <loopback>] [--bcast <broadcast>] 33 [--] <commands> <args>* 34 35 --silent 36 Do not print the addresses assigned. 37 --nid <nid> 38 Network context id to use. 39 --ip <ip_num>[/<mask>] 40 IP address to bind to. 41 --lback <loopback> 42 Loopback address for the network context. 43 --bcast <broadcast> 44 Broadcast address for the network context. 45 46 Report bugs to <$PACKAGE_BUGREPORT>." 47 exit $2 48 } 49 50 function showVersion() 51 { 52 echo \ 53 $"chbind $PACKAGE_VERSION -- bind to IP addresses and execute a program 54 This program is part of $PACKAGE_STRING 55 56 Copyright (C) 2004 Enrico Scholz 57 Copyright (C) 2006 Daniel Hokka Zakrisson 58 This program is free software; you may redistribute it under the terms of 59 the GNU General Public License. This program has absolutely no warranty." 60 exit $1 61 } 62 63 tmp=$(getopt -o + --long ncap:,nid:,ip:,bcast:,lback:,disconnect,flag:,secure,silent,help,version -n "$0" -- "$@") || exit 1 64 eval set -- "$tmp" 65 66 OPT_CAPS=() 67 OPT_NID= 68 OPT_DISCONNECT= 69 OPT_FLAGS=() 70 OPT_SECURE= 71 OPT_SILENT= 72 OPT_BCAST= 73 OPT_LBACK= 74 OPT_IPS=() 75 76 while true; do 77 case "$1" in 78 --help) showHelp $0 0;; 79 --version) showVersion 0;; 80 --ncap) OPT_CAPS=( "${OPT_CAPS[@]}" "$2" ); shift;; 81 --nid) OPT_NID=$2; shift;; 82 --disconnect) OPT_DISCONNECT=1;; 83 --flag) OPT_FLAGS=( "${OPT_FLAGS[@]}" "$2" ); shift;; 84 --secure) OPT_SECURE=1;; 85 --silent) OPT_SILENT=1;; 86 --ip) OPT_IPS=( "${OPT_IPS[@]}" --ip "$2" ); shift;; 87 --bcast) OPT_BCAST=$2; shift;; 88 --lback) OPT_LBACK=$2; shift;; 89 --) shift; break;; 90 *) echo $"chbind: internal error; arg=='$1'" >&2; exit 1;; 91 esac 92 shift 93 done 94 95 $_VSERVER_INFO - FEATURE vnet || exec $_CHBIND_COMPAT \ 96 ${OPT_NID:+--nid "$OPT_NID"} \ 97 ${OPT_SILENT:+--silent} \ 98 ${OPT_BCAST:+--bcast "$OPT_BCAST"} \ 99 "${OPT_IPS[@]}" \ 100 -- "$@" 101 102 create_cmd=( $_NCONTEXT --create --silentexist 103 ${OPT_SILENT:+--silent} 104 ${OPT_NID:+--nid "$OPT_NID"} ) 105 106 chain_cmd=() 107 108 old_IFS=$IFS 109 IFS=,$IFS 110 111 chain_cmd=( "${chain_cmd[@]}" 112 -- 113 $_NATTRIBUTE --set 114 ${OPT_SECURE:+--secure} 115 ${OPT_CAPS:+--ncap "${OPT_CAPS[*]}"} 116 ${OPT_FLAGS:+--flag "${OPT_FLAGS[*]}"} 117 -- 118 $_NADDRESS --add 119 ${OPT_SILENT:+--silent} 120 ${OPT_BCAST:+--bcast "$OPT_BCAST"} 121 ${OPT_LBACK:+--lback "$OPT_LBACK"} 122 "${OPT_IPS[@]}" ) 123 124 migrate_cmd=( $_NCONTEXT 125 ${OPT_SILENT:+--silent} 126 ${OPT_DISCONNECT:+--disconnect} ) 127 128 IFS=$old_IFS 129 130 if test -z "$OPT_NID" || $_VSERVER_INFO -q "$OPT_NID" XIDTYPE static; then 131 "${create_cmd[@]}" "${chain_cmd[@]}" -- "$@" 132 rc=$? 133 else 134 rc=254 135 fi 136 137 test "$rc" -ne 254 || exec "${migrate_cmd[@]}" --nid "$OPT_NID" --migrate -- "$@" 138 exit $rc