sys/src/cmd/auth/readnvram.c

   1 /* readnvram */
   2 #include <u.h>
   3 #include <libc.h>
   4 #include <auth.h>
   5 #include <authsrv.h>
   6
   7 void
   8 main(int, char **)
   9 {
  10         static uchar zeros[16];
  11         static Nvrsafe safe;
  12         int printed = 0;
  13
  14         quotefmtinstall();
  15
  16         /*
  17          * readnvram can return -1 meaning nvram wasn't written,
  18          * but safe still holds good data.
  19          */
  20         if(readnvram(&safe, 0) < 0 && safe.authid[0] == '\0')
  21                 sysfatal("readnvram: %r");
  22
  23         fmtinstall('H', encodefmt);
  24
  25         if(memcmp(safe.machkey, zeros, DESKEYLEN) != 0){
  26                 print("key proto=p9sk1 user=%q dom=%q !hex=%.*H !password=______\n",
  27                         safe.authid, safe.authdom, DESKEYLEN, safe.machkey);
  28                 printed++;
  29         }
  30         if(memcmp(safe.aesmachkey, zeros, AESKEYLEN) != 0){
  31                 print("key proto=dp9ik user=%q dom=%q !hex=%.*H !password=______\n",
  32                         safe.authid, safe.authdom, AESKEYLEN, safe.aesmachkey);
  33                 printed++;
  34         }
  35         if(!printed)
  36                 sysfatal("no keys");
  37
  38         exits(0);
  39 }