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/* readnvram */
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#include <u.h>
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#include <libc.h>
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#include <auth.h>
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#include <authsrv.h>
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void
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main(int, char **)
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{
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	int i;
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	Nvrsafe safe;
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	quotefmtinstall();
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	memset(&safe, 0, sizeof safe);
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	/*
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	 * readnvram can return -1 meaning nvram wasn't written,
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	 * but safe still holds good data.
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	 */
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	if(readnvram(&safe, 0) < 0 && safe.authid[0] == '\0')
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		sysfatal("readnvram: %r");
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	/*
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	 *  only use nvram key if it is non-zero
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	 */
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	for(i = 0; i < DESKEYLEN; i++)
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		if(safe.machkey[i] != 0)
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			break;
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	if(i == DESKEYLEN)
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		sysfatal("bad key");
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	fmtinstall('H', encodefmt);
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	print("key proto=p9sk1 user=%q dom=%q !hex=%.*H !password=______\n",
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		safe.authid, safe.authdom, DESKEYLEN, safe.machkey);
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	exits(0);
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}