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44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/* Verify a password.
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Copyright (C) 1991-2016 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <crypt.h>
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int
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main(void)
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{
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/* Hashed form of "GNU libc manual". */
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const char *const pass = "$1$/iSaq7rB$EoUw5jJPPvAPECNaaWzMK/";
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char *result;
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int ok;
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/*@group*/
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/* Read in the user's password and encrypt it,
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passing the expected password in as the salt. */
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result = crypt(getpass("Password:"), pass);
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/*@end group*/
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/* Test the result. */
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ok = strcmp (result, pass) == 0;
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puts(ok ? "Access granted." : "Access denied.");
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return ok ? 0 : 1;
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}
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