ref: 47ec5de29e56c4cf223e0582b930b88ca2a589ee
dir: /sys/src/cmd/auth/readnvram.c/
/* 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); }