contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_network.sh

   1 # setup entry in /etc/config/network for a interface
   2 # Argument $1: network interface
   3
   4 net="$1"
   5 . /lib/functions.sh
   6 . $dir/functions.sh
   7
   8 # Setup a (new) interface section for $net
   9
  10 ipaddr=$(uci -q get meshwizard.netconfig.$net\_ip4addr)
  11 ip6addr=$(uci -q get meshwizard.netconfig.$net\_ip6addr)
  12 [ -z "$ipaddr" ] && msg_missing_value meshwizard $net\_ip4addr
  13
  14 netmask=$(uci -q get meshwizard.netconfig.$net\_netmask)
  15 [ -z "$netmask" ] && netmask="$interface_netmask"
  16 [ -z "$netmask" ] && netmask="255.255.0.0"
  17
  18 uci set network.$netrenamed="interface"
  19 set_defaults "interface_" network.$netrenamed
  20
  21 uci batch << EOF
  22         set network.$netrenamed.proto="static"
  23         set network.$netrenamed.ipaddr="$ipaddr"
  24         set network.$netrenamed.netmask="$netmask"
  25 EOF
  26
  27 # Setup IPv6 for the interface
  28 local ip6addr
  29 if [ "$ipv6_enabled" = 1 ]; then
  30         if [ "$ipv6_config" = "auto-ipv6-dhcpv6" ]; then
  31                 ip6addr="$($dir/helpers/gen_auto-ipv6-dhcpv6-ip.sh $netrenamed)"
  32                 uci set network.$netrenamed.ip6addr="${ip6addr}/112"
  33         fi
  34         if [ "$ipv6_config" = "static" ] && [ -n "$ip6addr" ]; then
  35                 uci set network.$netrenamed.ip6addr="$ip6addr"
  36         fi
  37 fi
  38
  39 uci_commitverbose "Setup interface $netrenamed" network
  40
  41 # setup dhcp alias/interface
  42
  43 net_dhcp=$(uci -q get meshwizard.netconfig.${net}_dhcp)
  44 if [ "$net_dhcp" == 1 ]; then
  45
  46         # Load meshwizard_settings
  47         dhcprange="$(uci -q get meshwizard.netconfig.${net}_dhcprange)"
  48         interface_ip="$(uci -q get meshwizard.netconfig.${net}_ip4addr)"
  49         vap=$(uci -q get meshwizard.netconfig.${net}_vap)
  50
  51         # Rename config
  52         handle_dhcpalias() {
  53                         config_get interface "$1" interface
  54                         if [ "$interface" == "$netrenamed" ]; then
  55                                 if [ -z "${1/cfg[0-9a-fA-F]*/}" ]; then
  56                                         section_rename network $1 ${netrenamed}dhcp
  57                                 fi
  58                         fi
  59         }
  60         config_load network
  61         config_foreach handle_dhcpalias interface
  62
  63         # Get IP/netmask and start-ip for $net dhcp
  64         # If no dhcprange is given in /etc/config/meshwizard we autogenerate one
  65
  66         if [ -z "$dhcprange" ]; then
  67                 dhcprange="$($dir/helpers/gen_dhcp_ip.sh $interface_ip)/24"
  68                 uci set meshwizard.netconfig.${net}_dhcprange="$dhcprange"
  69         fi
  70
  71         # If we use VAP and also offer dhcp on the adhoc interface then cut the dhcp
  72         # range in two halves. one for the adhoc, one for the managed VAP interface
  73         ahdhcp_when_vap="$(uci get profile_$community.profile.adhoc_dhcp_when_vap)"
  74
  75         if [ "$supports_vap" = 1 -a "$vap" = 1 -a "$ahdhcp_when_vap" = 1 ]; then
  76                 # VAPs are enabled for this interface, supported and we want to
  77                 # also use DHCP on the adhoc interface
  78                 local network
  79                 local mask
  80                 network=${dhcprange%%/*}
  81                 mask=${dhcprange##*/}
  82                 # Divide network size by adding 1 to the netmask
  83                 mask=$(($mask + 1))
  84                 # Get first ip and netmask for the adhoc dhcp network
  85                 eval $(sh $dir/helpers/ipcalc-cidr.sh ${network}/${mask} 1 0)
  86                 STARTADHOC=$START
  87                 NETMASKADHOC=$NETMASK
  88                 # Get first ip and netmask for the managed dhcp network
  89                 eval $(sh $dir/helpers/ipcalc-cidr.sh ${NEXTNET}/${mask} 1 0)
  90                 STARTVAP=$START
  91                 NETMASKVAP=$NETMASK
  92                 # Add dhcp interface
  93                 uci batch <<- EOF
  94                         set network.${netrenamed}dhcp=interface
  95                         set network.${netrenamed}dhcp.proto=static
  96                         set network.${netrenamed}dhcp.ipaddr="$STARTVAP"
  97                         set network.${netrenamed}dhcp.netmask="$NETMASKVAP"
  98                 EOF
  99                 uci_commitverbose  "Setup interface for ${netrenamed}dhcp" network
 100         else
 101                 eval $(sh $dir/helpers/ipcalc-cidr.sh $dhcprange 1 0)
 102                 STARTADHOC=$START
 103                 NETMASKADHOC=$NETMASK
 104         fi
 105         if [ "$supports_vap" = 1 -a "$vap" = 1 -a "$ahdhcp_when_vap" != 1 ]; then
 106                 # vaps are enabled and supported and we do not use DHCP on adhoc
 107                 # Add dhcp interface
 108                 uci batch <<- EOF
 109                         set network.${netrenamed}dhcp=interface
 110                         set network.${netrenamed}dhcp.proto=static
 111                         set network.${netrenamed}dhcp.ipaddr="$STARTADHOC"
 112                         set network.${netrenamed}dhcp.netmask="$NETMASKADHOC"
 113                 EOF
 114                 uci_commitverbose  "Setup interface for ${netrenamed}dhcp" network
 115         fi
 116
 117
 118         # Setup alias for $net adhoc interface
 119         if  [ "$supports_vap" = 0 ] || [ "$vap" = 0 ] || [ "$supports_vap" = 1 -a "$vap" = 1 -a "$ahdhcp_when_vap" = 1 ]; then
 120                 # vaps are either not supported or enabled or they are supported and enabled
 121                 # but we also want to use DHCP on the adhoc interface
 122                 uci batch <<- EOF
 123                         set network.${netrenamed}ahdhcp=interface
 124                         set network.${netrenamed}ahdhcp.ifname="@${netrenamed}"
 125                         set network.${netrenamed}ahdhcp.proto=static
 126                         set network.${netrenamed}ahdhcp.ipaddr="$STARTADHOC"
 127                         set network.${netrenamed}ahdhcp.netmask="$NETMASKADHOC"
 128                 EOF
 129         fi
 130         uci_commitverbose  "Setup interface for ${netrenamed}ahdhcp" network
 131 fi