DSM-G600, DNS-3xx and NSA-220 Hack Forum

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <sys/ioctl.h>
#include <sys/socket.h>

/*

ioctl SIOCDEVPRIVATE = 0x89f0

call SIOCDEVPRIVATE + 8 to read a register

*** Before ioctl() is called ***
data[0] = 0x10110 - the gpio input register
data[1] = doesn't matter

*** After ioctl() is called ***
data[0] = input register value
data[1] = undefined

*/


#define BTN_POWER 0x0200

int main(int argc, char **argv)
{
    int fd, i;
    struct ifreq ifr;
    unsigned long data[2] = { 0, 0 };
    const char *ifname = "egiga0";

    fd = socket(AF_INET, SOCK_DGRAM, 0);

    /* poll the input register every second*/

    unsigned char pressed = 0;
    while(1)
    {
        memset(&ifr, 0, sizeof(ifr));
        strcpy(ifr.ifr_name, ifname);
        data[0] = 0x10110;
        ifr.ifr_data = (void *)data;
        if (ioctl(fd, 0x89f8, &ifr) == -1)
        {
                perror("ioctl");
        }
        else
        {
            if (!(data[0] & BTN_POWER)) //active low
            {
                /* if it is active, see if it has been active previously */
                if (pressed)
                {
                    printf("Shutting down now...\n");
                    pressed = 0; // shutdown
                    if ( system("/sbin/shutdown -h now") == -1)
                    {
                        printf("error shutting down\n");
                    }
                }
                /* wait for 3 seconds and go around the loop again */
                pressed = 1;
                sleep(3);
            }
            else
            {
                /* not pressed, check the button status every second */
                pressed = 0;
                sleep(1);
            }

        }
    }
}

echo "Setting power led state"
/usr/local/sbin/dns323-leds 0x00

echo "Starting chkbutton replacement"
/usr/local/sbin/chkbutton2 &

#!/bin/sh

PATH=/sbin:/usr/sbin:/bin:/usr/bin
EXECUTABLE=dns323-leds

do_stop () {
        if [ -x "/usr/local/sbin/$EXECUTABLE" ]
        then
                /usr/local/sbin/$EXECUTABLE 0x10

        else
                echo "No $EXECUTABLE binary installed in /usr/local/sbin"
        fi
}

case "$1" in
  start)
        # No-op
        ;;
  restart|reload|force-reload)
        echo "Error: argument '$1' not supported" >&2
        exit 3
        ;;
  stop)
        do_stop
        ;;
  *)
        echo "Usage: $0 start|stop" >&2
        exit 3
        ;;
esac

dns323-leds 0x16