release/src-rt-6.x.4708/router/others/mymotd

   1 #!/bin/sh
   2 #
   3 # Supplementary MOTD script with information about the network / router settings
   4 #
   5 # Version 0.5 written by Monter, modified by Shibby
   6 #
   7 MOTD_ON=`/bin/nvram get sshd_motd`
   8
   9 #only if enable
  10 if /usr/bin/[ "$MOTD_ON" == "1" ]; then
  11
  12 PROFILE=$1
  13 if /usr/bin/[ "$PROFILE" == "init" ]; then
  14 sed -i "/mymotd/d" /root/.profile
  15 /bin/echo "/usr/sbin/mymotd" >> /root/.profile
  16 else
  17
  18 # Function calculates number of bit in a netmask
  19 #
  20 mask2cidr() {
  21     nbits=0
  22     IFS=.
  23     for dec in $1 ; do
  24         case $dec in
  25             255) let nbits+=8;;
  26             254) let nbits+=7;;
  27             252) let nbits+=6;;
  28             248) let nbits+=5;;
  29             240) let nbits+=4;;
  30             224) let nbits+=3;;
  31             192) let nbits+=2;;
  32             128) let nbits+=1;;
  33             0);;
  34             *) /bin/echo "Error: $dec is not recognised"; exit 1
  35         esac
  36     done
  37     /bin/echo "$nbits"
  38 }
  39
  40 LAN1=`/bin/nvram get lan1_ipaddr | /usr/bin/wc -w`
  41 LAN2=`/bin/nvram get lan2_ipaddr | /usr/bin/wc -w`
  42 LAN3=`/bin/nvram get lan3_ipaddr | /usr/bin/wc -w`
  43 DUAL=`/bin/nvram get landevs | /bin/grep wl1 | /usr/bin/wc -l`
  44
  45 WAN_MASK=`/bin/nvram get wan_netmask`
  46 WAN_NUMBITS=$(mask2cidr $WAN_MASK)
  47
  48 LAN_MASK=`/bin/nvram get lan_netmask`
  49 LAN_NUMBITS=$(mask2cidr $LAN_MASK)
  50
  51 /bin/echo -e "\033[1;34m ======================================================== \033[0m"
  52 /bin/echo -e "\033[1;32m Welcome to the `/bin/nvram get t_model_name` [`/bin/nvram get router_name`]\033[0m"
  53 /bin/echo -e "\033[1;31m Uptime: `/usr/bin/uptime | /bin/sed -e 's/,  load/\n Load/'`\033[0m"
  54 MEMBUFF=`/bin/nvram get t_cafree`
  55 if /usr/bin/[ "$MEMBUFF" == 1 ]; then
  56   /usr/bin/awk '/MemTotal:/{total=$2} \
  57        /MemFree:/{free=$2} \
  58        /Buffers:/{buffers=$2} \
  59        /^Cached:/{cached=$2} \
  60        END{ \
  61         printf " Mem usage: %0.1f", ((total-free-buffers-cached)*100/total); printf "%c", 37; \
  62         printf " (used %0.2f", (total-free-buffers-cached)/1024; printf " of %0.2f", total/1024; printf " MB)\n"; \
  63       }' /proc/meminfo
  64   if /usr/bin/[ `cat /proc/meminfo | /bin/grep SwapTotal | /usr/bin/awk '{ print $2 }'` -gt 0 ]; then
  65   /usr/bin/awk '/SwapTotal:/{stotal=$2} \
  66        /SwapFree:/{sfree=$2} \
  67        /SwapCached:/{scached=$2} \
  68        END{ \
  69         printf " Swap usage: %0.1f", ((stotal-sfree-scached)*100/stotal); printf "%c", 37; \
  70         printf " (used %0.2f", (stotal-sfree-scached)/1024; printf " of %0.2f", stotal/1024; printf " MB)\n"; \
  71        }' /proc/meminfo
  72   fi
  73 else
  74   /usr/bin/awk '/MemTotal:/{total=$2} \
  75        /MemFree:/{free=$2} \
  76        END{ \
  77         printf " Mem : used %0.1f", ((total-free)*100/total); printf "%c", 37; \
  78         printf " (%0.2f", (total-free)/1024; printf " of %0.2f", total/1024; printf " MB)\n"; \
  79       }' /proc/meminfo
  80   if /usr/bin/[ `cat /proc/meminfo | /bin/grep SwapTotal | /usr/bin/awk '{ print $2 }'` -gt 0 ]; then
  81   /usr/bin/awk '/SwapTotal:/{stotal=$2} \
  82        /SwapFree:/{sfree=$2} \
  83        END{ \
  84         printf " Swap usage: %0.1f", ((stotal-sfree)*100/stotal); printf "%c", 37; \
  85         printf " (used %0.2f", (stotal-sfree)/1024; printf " of %0.2f", stotal/1024; printf " MB)\n"; \
  86        }' /proc/meminfo
  87   fi
  88 fi
  89 /bin/echo " WAN : `/bin/nvram get wan_ipaddr`/$WAN_NUMBITS @ `/bin/nvram get wan_hwaddr`"
  90 /bin/echo " LAN : `/bin/nvram get lan_ipaddr`/$LAN_NUMBITS @ DHCP: `/bin/nvram get dhcpd_startip` - `/bin/nvram get dhcpd_endip`"
  91 if /usr/bin/[ "$LAN1" == "1" ]; then
  92     LAN1_MASK=`/bin/nvram get lan1_netmask`
  93     LAN1_NUMBITS=$(mask2cidr $LAN1_MASK)
  94     /bin/echo " LAN1: `/bin/nvram get lan1_ipaddr`/$LAN1_NUMBITS @ DHCP: `/bin/nvram get dhcpd1_startip` - `/bin/nvram get dhcpd1_endip`";
  95 fi
  96 if /usr/bin/[ "$LAN2" == "1" ]; then
  97     LAN2_MASK=`/bin/nvram get lan2_netmask`
  98     LAN2_NUMBITS=$(mask2cidr $LAN2_MASK)
  99     /bin/echo " LAN2: `/bin/nvram get lan2_ipaddr`/$LAN2_NUMBITS @ DHCP: `/bin/nvram get dhcpd2_startip` - `/bin/nvram get dhcpd2_endip`";
 100 fi
 101 if /usr/bin/[ "$LAN3" == "1" ]; then
 102     LAN3_MASK=`/bin/nvram get lan3_netmask`
 103     LAN3_NUMBITS=$(mask2cidr $LAN3_MASK)
 104     /bin/echo " LAN3: `/bin/nvram get lan3_ipaddr`/$LAN3_NUMBITS @ DHCP: `/bin/nvram get dhcpd3_startip` - `/bin/nvram get dhcpd3_endip`";
 105 fi
 106 GETCH24=`/bin/nvram get wl0_channel`
 107 if /usr/bin/[ "$GETCH24" == 0 ]; then CH24="auto"; else CH24=$GETCH24; fi
 108 /bin/echo " WL0 : `/bin/nvram get wl0_ssid` @ channel: `/bin/nvram get wl0_country`$CH24 @ `/bin/nvram get wl0_hwaddr`"
 109 if /usr/bin/[ "$DUAL" == "1" ]; then
 110   GETCH50=`/bin/nvram get wl1_channel`
 111   if /usr/bin/[ "$GETCH50" == 0 ]; then CH50="auto"; else CH50=$GETCH50; fi
 112   /bin/echo " WL1 : `/bin/nvram get wl1_ssid` @ channel: `/bin/nvram get wl1_country`$CH50 @ `/bin/nvram get wl1_hwaddr`"
 113 fi
 114 STHMD_ISENABLED=`/usr/sbin/cru l | /bin/grep "perm_on" | /usr/bin/wc -l`
 115 STHMD_SUNENABLED=`/usr/sbin/cru l | /bin/grep "sun_on" | /usr/bin/wc -l`
 116 STHMD_SUNSET=`/usr/sbin/cru l | /bin/grep "stealthsunset" | /usr/bin/awk '{ print $2" "$1 }'`
 117 STHMD_SUNRISE=`/usr/sbin/cru l | /bin/grep "stealthsunrise" | /usr/bin/awk '{ print $2" "$1 }'`
 118 STHMD_SCHON=`/usr/sbin/cru l | /bin/grep "stealthsheduleon" | /usr/bin/awk '{ print $2" "$1 }'`
 119 STHMD_SCHOFF=`/usr/sbin/cru l | /bin/grep "stealthsheduleoff" | /usr/bin/awk '{ print $2" "$1 }'`
 120 STHMD_SCHONC=`/bin/echo $STHMD_SCHON | /usr/bin/wc -c`
 121 STHMD_SCHOFFC=`/bin/echo $STHMD_SCHOFF | /usr/bin/wc -c`
 122 if /usr/bin/[ $STHMD_ISENABLED -gt 0 -o $STHMD_SUNENABLED -gt 0 -o $STHMD_SCHONC -gt 1 -o $STHMD_SCHOFFC -gt 1 ]; then
 123 /bin/echo " -------------------------------------------------------- "
 124   if /usr/bin/[ $STHMD_ISENABLED -gt 0 ]; then
 125   /bin/echo " Detected the presence of stealthMode which is now active"
 126   fi
 127   if /usr/bin/[ $STHMD_SUNENABLED -gt 0 ]; then
 128   /bin/echo -e "  stealthMode Sunset mode is currently active and is set\n         for sunset at $( /bin/echo $STHMD_SUNSET | /usr/bin/awk '{$1=sprintf("%02d", $1);$2=sprintf("%02d", $2); print $1":"$2 }' ) and sunrise at $( /bin/echo $STHMD_SUNRISE | /usr/bin/awk '{$1=sprintf("%02d", $1);$2=sprintf("%02d", $2); print $1":"$2 }' )"
 129   fi
 130   if /usr/bin/[ $STHMD_SCHONC -gt 1 -a $STHMD_SCHOFFC -gt 1 ]; then
 131   /bin/echo -e "  stealthMode Scheduled mode is currently active and is\n       set for sunset at $( /bin/echo $STHMD_SCHON | /usr/bin/awk '{$1=sprintf("%02d", $1);$2=sprintf("%02d", $2); print $1":"$2 }' ) and sunrise at $( /bin/echo $STHMD_SCHOFF | /usr/bin/awk '{$1=sprintf("%02d", $1);$2=sprintf("%02d", $2); print $1":"$2 }' )"
 132   fi
 133 fi
 134 /bin/echo -e "\033[1;34m ======================================================== \033[0m"
 135 /bin/echo ""
 136 fi
 137 fi