netcfg-iproute/iproute

   1 #!/bin/bash
   2 . /usr/lib/network/network
   3
   4 fail()
   5 {
   6     report_fail "$*"
   7     exit 1
   8 }
   9
  10 int_setup() {
  11     int=$1
  12     addr=$2
  13     route=$3
  14
  15     report_debug iproute_up ifup $int
  16     ip link set up dev "$int" up || \
  17         fail "Could not bring interface $int up"
  18
  19     while read str; do
  20         [[ -n "$str" ]] || continue
  21         report_debug iproute_up ip addr add dev "$int" $str
  22         ip addr add dev "$int" $str || \
  23             fail "Adding address \"$str\" to $int failed"
  24     done <<<"$addr"
  25
  26     while read str; do
  27         [[ -n "$str" ]] || continue
  28         report_debug iproute_up ip route add dev "$int" $str
  29         ip route add dev "$int" $str || \
  30             fail "Adding route \"$str\" to $int failed"
  31     done <<<"$route"
  32 }
  33
  34 vlan_create() {
  35     int=$1
  36     vlan=$2
  37     ip link add link "$int" name "vlan$vlan" type vlan id "$vlan"
  38 }
  39
  40 vlan_drop() {
  41     vlan=$1
  42     ip link delete "vlan$vlan"
  43 }
  44
  45 iproute_up() {
  46     load_profile "$1"
  47
  48     [[ -e /sys/class/net/"$INTERFACE" ]] || \
  49         fail "Interface $INTERFACE does not exist"
  50
  51     if [[ -n "$GATEWAY" ]]; then
  52         ROUTE="$ROUTE"$'\n'"default via $GATEWAY"
  53     fi
  54     int_setup "$INTERFACE" "$ADDR" "$ROUTE"
  55
  56     # setup vlans
  57     [[ -n "$VLANS" ]] && for vlan in $VLANS; do
  58         report_debug iproute_up add vlan "$INTERFACE" "$vlan"
  59         vlan_create "$INTERFACE" "$vlan"
  60         addr="ADDR_vlan$vlan"
  61         route="ROUTE_vlan$vlan"
  62         int_setup "vlan$vlan" "${!addr}" "${!route}"
  63     done
  64
  65     # set the hostname
  66     if [[ -n "$HOSTNAME" ]]; then
  67         report_debug iproute_up hostname "$HOSTNAME"
  68         hostname "$HOSTNAME" || \
  69             fail "Cannot set hostname to $HOSTNAME"
  70     fi
  71
  72     # Generate a new resolv.conf
  73     if [[ -n "$DNS" ]]; then
  74         : >/etc/resolv.conf
  75         [[ -n "$DOMAIN" ]] && echo "domain $DOMAIN" >>/etc/resolv.conf
  76         [[ -n "$SEARCH" ]] && echo "search $SEARCH" >>/etc/resolv.conf
  77
  78         for str in $DNS; do
  79             echo "nameserver $str" >>/etc/resolv.conf
  80         done
  81     fi
  82     return 0
  83 }
  84
  85 iproute_down() {
  86     load_profile "$1"
  87
  88     # drop vlans
  89     [[ -n "$VLANS" ]] && for vlan in $VLANS; do
  90         report_debug iproute_up drop vlan "$vlan"
  91         vlan_drop "$vlan"
  92     done
  93
  94     report_debug ethernet_down if_down
  95     ip addr flush dev "$INTERFACE"
  96     quirk "nodown" || ip link set down dev "$INTERFACE"
  97 }
  98
  99 iproute_status() {
 100     [[ -e /var/run/network/profiles/"$1" ]] && return 0
 101     return 1
 102 }
 103
 104 iproute_$1 "$2"
 105 exit $?
 106
 107 # vim: ts=4:et:sw=4: