luci-app-bmx7/files/www/cgi-bin/bmx7-info

   1 #!/bin/sh
   2 #    Copyright © 2011 Pau Escrich
   3 #    Contributors Jo-Philipp Wich <xm@subsignal.org>
   4 #                 Roger Pueyo Centelles <roger.pueyo@guifi.net>
   5 #
   6 #    This program is free software; you can redistribute it and/or modify
   7 #    it under the terms of the GNU General Public License as published by
   8 #    the Free Software Foundation; either version 2 of the License, or
   9 #    (at your option) any later version.
  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 along
  17 #    with this program; if not, write to the Free Software Foundation, Inc.,
  18 #    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 #
  20 #    The full GNU General Public License is included in this distribution in
  21 #    the file called "COPYING".
  22 #
  23 #    This script gives information about bmx7
  24 #    Can be executed from a linux shell: ./bmx7-info -s links
  25 #    Or from web interfae (with cgi enabled): http://host/cgi-bin/bmx7-info?links
  26 #    If you ask for a directory you wil get the directory contents in JSON forman
  27
  28 BMX7_DIR="$(uci get bmx7.general.runtimeDir 2>/dev/null)" || BMX7_DIR="/var/run/bmx7/json"
  29
  30 #Checking if shell mode or cgi-bin mode
  31 if [ "$1" == "-s" ]; then
  32         QUERY="$2"
  33 else
  34         QUERY="${QUERY_STRING%%=*}"
  35         echo "Content-type: application/json"
  36         echo ""
  37
  38 fi
  39
  40 check_path() {
  41         [ -d "$1" ] && path=$(cd $1; pwd)
  42         [ -f "$1" ] && path=$(cd $1/..; pwd)
  43         [ $(echo "$path" | grep -c "^$BMX7_DIR") -ne 1 ] && exit 1
  44 }
  45
  46 print_mem() {
  47         echo -n '{ "memory": { "bmx7": "'
  48         cat /proc/$(cat /var/run/bmx7/pid)/status |grep -i VmSize | tr -s " " | cut -d " " -f 2,3 | tr -d "\n"
  49         echo '"}}'
  50 }
  51
  52 print_query() {
  53         # If the query is a directory
  54         [ -d "$BMX7_DIR/$1" ] &&
  55         {
  56         # If /all has not been specified
  57                 [ -z "$QALL" ] &&
  58                 {
  59                 total=$(ls $BMX7_DIR/$1 | wc -w)
  60                 i=1
  61                 echo -n "{ \"$1\": [ "
  62                 for f in $(ls $BMX7_DIR/$1); do
  63                         echo -n "{ \"name\": \"$f\" }"
  64                         [ $i -lt $total ]  && echo -n ','
  65                         i=$(( $i + 1 ))
  66                 done
  67                 echo -n " ] }"
  68
  69         # If /all has been specified, printing all the files together
  70                 } || {
  71                 comma=""
  72                 echo -n "[ "
  73                 for entry in "$BMX7_DIR/$1/"*; do
  74                         [ -f "$entry" ] &&
  75                         {
  76                                 ${comma:+echo "$comma"}
  77                                 tr -d '\n' < "$entry"
  78                                 comma=","
  79                         }
  80                 done
  81                 echo -n " ]"
  82                 }
  83         }
  84
  85         # If the query is a file, just printing the file
  86         [ -f "$BMX7_DIR/$1" ] && cat "$BMX7_DIR/$1";
  87 }
  88
  89 if [ "${QUERY##*/}" == "all" ]; then
  90         QUERY="${QUERY%/all}"
  91         QALL=1
  92 fi
  93
  94 if [ "$QUERY" == '$info' ]; then
  95         echo '{ "info": [ '
  96         print_query status
  97         echo -n ","
  98         print_query interfaces
  99         echo -n ","
 100         print_query links
 101         echo -n ","
 102         print_mem
 103         echo "] }"
 104 fi
 105
 106 if [ "$QUERY" == '$neighbours' ]; then
 107         QALL=1
 108         echo '{ "neighbours": [ '
 109         echo '{ "originators": '
 110         print_query originators
 111         echo '}, '
 112         echo '{ "descriptions": '
 113         print_query descriptions
 114         echo "} ] }"
 115         exit 0
 116
 117 else if [ "$QUERY" == '$tunnels' ]; then
 118         bmx7 -c --jshow tunnels /r=0
 119         exit 0
 120
 121         else if [ "$QUERY" == '$originators' ]; then
 122                 bmx7 -c --jshow originators /r=0
 123                 exit 0
 124
 125                 else
 126                 check_path "$BMX7_DIR/$QUERY"
 127                 print_query $QUERY
 128                 exit 0
 129                 fi
 130         fi
 131 fi
 132 fi
 133
 134 ls -1F "$BMX7_DIR"
 135 exit 0
 136