/* readnvram */
#include <u.h>
#include <libc.h>
#include <auth.h>
#include <authsrv.h>

void
main(int, char **)
{
       static uchar zeros[16];
       static Nvrsafe safe;
       int printed = 0;

       quotefmtinstall();

       /*
        * readnvram can return -1 meaning nvram wasn't written,
        * but safe still holds good data.
        */
       if(readnvram(&safe, 0) < 0 && safe.authid[0] == '\0')
               sysfatal("readnvram: %r");

       fmtinstall('H', encodefmt);

       if(memcmp(safe.machkey, zeros, DESKEYLEN) != 0){
               print("key proto=p9sk1 user=%q dom=%q !hex=%.*H !password=______\n",
                       safe.authid, safe.authdom, DESKEYLEN, safe.machkey);
               printed++;
       }
       if(memcmp(safe.aesmachkey, zeros, AESKEYLEN) != 0){
               print("key proto=dp9ik user=%q dom=%q !hex=%.*H !password=______\n",
                       safe.authid, safe.authdom, AESKEYLEN, safe.aesmachkey);
               printed++;
       }
       if(!printed)
               sysfatal("no keys");

       exits(0);
}