release/src/router/others/mymotd

   1 #!/bin/sh
   2
   3 MOTD_ON=`nvram get sshd_motd`
   4
   5 #only if enable
   6 if [ "$MOTD_ON" == "1" ]; then
   7
   8
   9 # Function calculates number of bit in a netmask
  10 #
  11 mask2cidr() {
  12     nbits=0
  13     IFS=.
  14     for dec in $1 ; do
  15         case $dec in
  16             255) let nbits+=8;;
  17             254) let nbits+=7;;
  18             252) let nbits+=6;;
  19             248) let nbits+=5;;
  20             240) let nbits+=4;;
  21             224) let nbits+=3;;
  22             192) let nbits+=2;;
  23             128) let nbits+=1;;
  24             0);;
  25             *) echo "Error: $dec is not recognised"; exit 1
  26         esac
  27     done
  28     echo "$nbits"
  29 }
  30
  31 LAN1=`nvram get lan1_ipaddr | wc -w`
  32 LAN2=`nvram get lan2_ipaddr | wc -w`
  33 LAN3=`nvram get lan3_ipaddr | wc -w`
  34 DUAL=`nvram get landevs | grep wl1 | wc -l`
  35
  36 WAN_MASK=`nvram get wan_netmask`
  37 WAN_NUMBITS=$(mask2cidr $WAN_MASK)
  38
  39 LAN_MASK=`nvram get lan_netmask`
  40 LAN_NUMBITS=$(mask2cidr $LAN_MASK)
  41
  42 echo -e "\033[1;34m ======================================================== \033[0m"
  43 echo -e "\033[1;32m Welcome to the `nvram get t_model_name` [`nvram get router_name`]\033[0m"
  44 echo -e "\033[1;31m Uptime: `uptime | sed -e 's/,  load/\n Load/'`\033[0m"
  45 echo " WAN : `nvram get wan_ipaddr`/$WAN_NUMBITS @ `nvram get wan_hwaddr`"
  46 echo " LAN : `nvram get lan_ipaddr`/$LAN_NUMBITS @ DHCP: `nvram get dhcpd_startip` - `nvram get dhcpd_endip`"
  47 if [ "$LAN1" == "1" ]; then
  48     LAN1_MASK=`nvram get lan1_netmask`
  49     LAN1_NUMBITS=$(mask2cidr $LAN1_MASK)
  50     echo " LAN1: `nvram get lan1_ipaddr`/$LAN1_NUMBITS @ DHCP: `nvram get dhcpd1_startip` - `nvram get dhcpd1_endip`";
  51 fi
  52 if [ "$LAN2" == "1" ]; then
  53     LAN2_MASK=`nvram get lan2_netmask`
  54     LAN2_NUMBITS=$(mask2cidr $LAN2_MASK)
  55     echo " LAN2: `nvram get lan2_ipaddr`/$LAN2_NUMBITS @ DHCP: `nvram get dhcpd2_startip` - `nvram get dhcpd2_endip`";
  56 fi
  57 if [ "$LAN3" == "1" ]; then
  58     LAN3_MASK=`nvram get lan3_netmask`
  59     LAN3_NUMBITS=$(mask2cidr $LAN3_MASK)
  60     echo " LAN3: `nvram get lan3_ipaddr`/$LAN3_NUMBITS @ DHCP: `nvram get dhcpd3_startip` - `nvram get dhcpd3_endip`";
  61 fi
  62 echo " WL0 : `nvram get wl0_ssid` @ ch: `nvram get wl0_channel` @ `nvram get wl0_hwaddr`"
  63 if [ "$DUAL" == "1" ]; then echo " WL1 : `nvram get wl1_ssid` @ ch: `nvram get wl1_channel` @ `nvram get wl1_hwaddr`"; fi
  64 echo -e "\033[1;34m ======================================================== \033[0m"
  65
  66 echo ""
  67
  68 fi