package/network/rocknet/rocknet.sh

   1 #!/bin/bash
   2 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   3 # This copyright note is auto-generated by scripts/Create-CopyPatch.
   4 #
   5 # T2 SDE: package/.../rocknet/rocknet.sh
   6 # Copyright (C) 2004 - 2020 The T2 SDE Project
   7 #
   8 # More information can be found in the files COPYING and README.
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; version 2 of the License. A copy of the
  13 # GNU General Public License can be found in the file COPYING.
  14 # --- T2-COPYRIGHT-NOTE-END ---
  15
  16 rocknet_debug=0
  17 rocknet_base="/lib/network"
  18 rocknet_config="/etc/conf"
  19 rocknet_tmp_base="/var/run/rocknet"
  20
  21 [ -d $rocknet_tmp_base ] || mkdir -p $rocknet_tmp_base
  22
  23 unset code_snipplets_idx code_snipplets_dat code_snipplets_counter
  24 declare -a code_snipplets_idx='()'
  25 declare -a code_snipplets_dat='()'
  26 code_snipplets_counter=0
  27
  28 lineno=0
  29 ignore=0
  30 global=1
  31
  32 if [ "$3" != "up" -a "$3" != "down" ]; then
  33         echo "Usage: $0 { profile | default } { interface | auto } { up | down }"
  34         exit 1
  35 fi
  36
  37 if [ ! -f $rocknet_config/network ]; then
  38         echo "Configuration file \"$rocknet_config/network\" missing."
  39         exit 2
  40 fi
  41
  42 profile=$1
  43 interface=$2
  44 mode=$3
  45
  46 pmatched=0 # some profile matched ?
  47 imatched=0 # some interface matched ?
  48
  49 #
  50 # addcode mode major-priority minor-priority code1
  51 #
  52 addcode() {
  53         [ "$mode" != "$1" ] && return
  54         [ "$ignore" -gt 0 ] && return
  55         if [ "$1" = "up" ]; then udo="+"; else udo="-"; fi
  56         code_snipplets_idx[code_snipplets_counter]="`
  57                 printf '%04d.%04d.%04d' $((5000$udo$2)) $((5000$udo$lineno)) \
  58                 $((5000$udo$3))` $code_snipplets_counter"
  59         code_snipplets_dat[code_snipplets_counter]="$4"
  60         (( code_snipplets_counter++ ))
  61 }
  62
  63 #
  64 # isfirst unique-id
  65 #
  66 isfirst() {
  67         [ "$ignore" -gt 0 ] && return 0
  68         eval "\$isfirst_$1"
  69         eval "isfirst_$1='return 1'"
  70         return 0
  71 }
  72
  73 #
  74 # error error-message
  75 #
  76 error() {
  77         echo "$*"
  78 }
  79
  80 status() {
  81         echo "$*"
  82 }
  83
  84 #
  85 # register / unregister active interfaces for user input validation
  86 #
  87
  88 register() {
  89         echo -n "${1}," >> $rocknet_tmp_base/active-interfaces
  90 }
  91
  92 unregister () {
  93         active_interfaces="`cat $rocknet_tmp_base/active-interfaces 2>/dev/null`"
  94         active_interfaces="${active_interfaces//${1},/}"
  95         echo -n "$active_interfaces" > $rocknet_tmp_base/active-interfaces
  96 }
  97
  98 for x in $rocknet_base/*.sh; do . "$x"; done
  99
 100 errno=0
 101 while read cmd para
 102 do
 103         (( lineno++ ))
 104         if [ -n "$cmd" ]; then
 105                 cmd="${cmd//-/_}"
 106                 para="$( echo "$para" | sed 's,[\*\?],\\&,g' )"
 107                 if declare -f public_$cmd > /dev/null
 108                 then
 109                         # optimization: Only execute commands when they are
 110                         # inside an unignored interface section ...
 111                         if [ $cmd = "interface" ] ; then
 112                                 public_$cmd $para
 113                                 global=0 ip=
 114                         elif [ $ignore -eq 0 -o $global -gt 0 ] ; then
 115                                 public_$cmd $para
 116                         fi
 117                 else
 118                         error "Unknown statement in config file: $cmd"
 119                 fi
 120         fi
 121 done < <( sed 's,\(^\|[ \t]\)#.*$,,' < $rocknet_config/network )
 122
 123 while read id1 id2; do
 124         if [ "$rocknet_debug" = 1 ]; then
 125                 echo ">> $id1 -> $id2: ${code_snipplets_dat[id2]}"
 126         fi
 127         eval "${code_snipplets_dat[id2]}"
 128 done < <(
 129         for x in "${code_snipplets_idx[@]}"; do echo "$x"
 130         done | sort
 131 )
 132
 133 if [ "$pmatched" = 0 -a "$profile" != "default" ]; then
 134         error "Unknown profile: '$profile'"
 135         errno=1
 136 fi
 137 if [ "$imatched" = 0 ]; then
 138         error "Unknown interface for profile: '$interface'"
 139         errno=1
 140 fi
 141 exit $errno