58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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/* Portions of this file are Copyright (C) 2015-2018 Giacomo Tesio <giacomo@tesio.it>
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* See /doc/license/gpl-2.0.txt for details about the licensing.
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*/
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/* Portions of this file are Copyright (C) 9front's team.
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* See /doc/license/9front-mit for details about the licensing.
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* See http://git.9front.org/plan9front/plan9front/HEAD/info.html for a list of authors.
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*/
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#include <u.h>
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#include <lib9.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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0
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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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}
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