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#include <u.h>
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#include <libc.h>
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#include <authsrv.h>
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#include <bio.h>
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#include "authcmdlib.h"
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char *trivial[] = {
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	"login",
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	"guest",
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	"change me",
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	"passwd",
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	"no passwd",
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	"anonymous",
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};
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char*
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okpasswd(char *p)
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{
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	char passwd[ANAMELEN];
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	char back[ANAMELEN];
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	int i, n;
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	strncpy(passwd, p, sizeof passwd - 1);
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	passwd[sizeof passwd - 1] = '\0';
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	n = strlen(passwd);
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	while(passwd[n - 1] == ' ')
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		n--;
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	passwd[n] = '\0';
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	for(i = 0; i < n; i++)
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		back[i] = passwd[n - 1 - i];
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	back[n] = '\0';
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	if(n < 8)
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		return "password must be at least 8 chars";
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	for(i = 0; trivial[i]; i++)
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		if(strcmp(passwd, trivial[i]) == 0
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		|| strcmp(back, trivial[i]) == 0)
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			return "trivial password";
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	return 0;
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}