package/network/rocknet/rocknet.sh

   1 #!/bin/bash
   2 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   3 # T2 SDE: package/*/rocknet/rocknet.sh
   4 # Copyright (C) 2004 - 2024 The T2 SDE Project
   5 #
   6 # This Copyright note is generated by scripts/Create-CopyPatch,
   7 # more information can be found in the files COPYING and README.
   8 #
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License version 2.
  11 # --- T2-COPYRIGHT-NOTE-END ---
  12
  13 rocknet_debug=0
  14 rocknet_base="/lib/network"
  15 rocknet_config="/etc/conf"
  16 rocknet_tmp_base="/var/run/rocknet"
  17
  18 [ -d $rocknet_tmp_base ] || mkdir -p $rocknet_tmp_base
  19
  20 unset code_snipplets_idx code_snipplets_dat code_snipplets_counter
  21 declare -a code_snipplets_idx='()'
  22 declare -a code_snipplets_dat='()'
  23 code_snipplets_counter=0
  24
  25 lineno=0
  26 ignore=0
  27 global=1
  28
  29 if [ "$3" != "up" -a "$3" != "down" ]; then
  30         echo "Usage: $0 { profile | default } { interface | auto } { up | down }"
  31         exit 1
  32 fi
  33
  34 if [ ! -f $rocknet_config/network ]; then
  35         echo "Configuration file \"$rocknet_config/network\" missing."
  36         exit 2
  37 fi
  38
  39 profile=$1
  40 interface=$2
  41 mode=$3
  42
  43 pmatched=0 # some profile matched ?
  44 imatched=0 # some interface matched ?
  45
  46 #
  47 # addcode mode major-priority minor-priority code1
  48 #
  49 addcode() {
  50         [ "$mode" != "$1" ] && return
  51         [ "$ignore" -gt 0 ] && return
  52         if [ "$1" = "up" ]; then udo="+"; else udo="-"; fi
  53         code_snipplets_idx[code_snipplets_counter]="`
  54                 printf '%04d.%04d.%04d' $((5000$udo$2)) $((5000$udo$lineno)) \
  55                 $((5000$udo$3))` $code_snipplets_counter"
  56         code_snipplets_dat[code_snipplets_counter]="$4"
  57         ((code_snipplets_counter++))
  58 }
  59
  60 #
  61 # isfirst unique-id
  62 #
  63 isfirst() {
  64         [ "$ignore" -gt 0 ] && return 0
  65         eval "\$isfirst_$1"
  66         eval "isfirst_$1='return 1'"
  67         return 0
  68 }
  69
  70 #
  71 # error error-message
  72 #
  73 error() {
  74         echo "$*"
  75 }
  76
  77 status() {
  78         echo "$*"
  79 }
  80
  81 #
  82 # register / unregister active interfaces for user input validation
  83 #
  84
  85 register() {
  86         echo -n "${1}," >> $rocknet_tmp_base/active-interfaces
  87 }
  88
  89 unregister () {
  90         active_interfaces="`cat $rocknet_tmp_base/active-interfaces 2>/dev/null`"
  91         active_interfaces="${active_interfaces//${1},/}"
  92         echo -n "$active_interfaces" > $rocknet_tmp_base/active-interfaces
  93 }
  94
  95 for x in $rocknet_base/*.sh; do . "$x"; done
  96
  97 errno=0
  98 while read cmd para; do
  99         ((lineno++))
 100         if [ -n "$cmd" ]; then
 101                 cmd="${cmd//-/_}"
 102                 para="$(echo "$para" | sed 's,[\*\?],\\&,g')"
 103                 if declare -f public_$cmd > /dev/null; then
 104                         # optimization: Only execute commands when they are
 105                         # inside an unignored interface section ...
 106                         if [ $cmd = "interface" ]; then
 107                                 public_$cmd $para
 108                                 global=0 ip=
 109                         elif [ $ignore -eq 0 -o $global -gt 0 ]; then
 110                                 public_$cmd $para
 111                         fi
 112                 else
 113                         error "Unknown statement in config file: $cmd"
 114                 fi
 115         fi
 116 done < <(sed 's,\(^\|[ \t]\)#.*$,,' < $rocknet_config/network)
 117
 118 while read id1 id2; do
 119         if [ "$rocknet_debug" = 1 ]; then
 120                 echo ">> $id1 -> $id2: ${code_snipplets_dat[id2]}"
 121         fi
 122         eval "${code_snipplets_dat[id2]}"
 123 done < <(
 124         for x in "${code_snipplets_idx[@]}"; do echo "$x"
 125         done | sort
 126 )
 127
 128 if [ "$pmatched" = 0 -a "$profile" != "default" ]; then
 129         error "Unknown profile: '$profile'"
 130         errno=1
 131 fi
 132 if [ "$imatched" = 0 ]; then
 133         error "Unknown interface for profile: '$interface'"
 134         errno=1
 135 fi
 136 exit $errno