1/* $NetBSD: t_crypt.c,v 1.3 2011/12/28 22:07:40 christos Exp $ */
2
3/*
4 * This version is derived from the original implementation of FreeSec
5 * (release 1.1) by David Burren.  I've reviewed the changes made in
6 * OpenBSD (as of 2.7) and modified the original code in a similar way
7 * where applicable.  I've also made it reentrant and made a number of
8 * other changes.
9 * - Solar Designer <solar at openwall.com>
10 */
11
12/*
13 * FreeSec: libcrypt for NetBSD
14 *
15 * Copyright (c) 1994 David Burren
16 * All rights reserved.
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
20 * are met:
21 * 1. Redistributions of source code must retain the above copyright
22 *    notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 *    notice, this list of conditions and the following disclaimer in the
25 *    documentation and/or other materials provided with the distribution.
26 * 3. Neither the name of the author nor the names of other contributors
27 *    may be used to endorse or promote products derived from this software
28 *    without specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 * SUCH DAMAGE.
41 *
42 *	$Owl: Owl/packages/glibc/crypt_freesec.c,v 1.6 2010/02/20 14:45:06 solar Exp $
43 *	Id: crypt.c,v 1.15 1994/09/13 04:58:49 davidb Exp
44 *
45 * This is an original implementation of the DES and the crypt(3) interfaces
46 * by David Burren <davidb at werj.com.au>.
47 *
48 * An excellent reference on the underlying algorithm (and related
49 * algorithms) is:
50 *
51 *	B. Schneier, Applied Cryptography: protocols, algorithms,
52 *	and source code in C, John Wiley & Sons, 1994.
53 *
54 * Note that in that book's description of DES the lookups for the initial,
55 * pbox, and final permutations are inverted (this has been brought to the
56 * attention of the author).  A list of errata for this book has been
57 * posted to the sci.crypt newsgroup by the author and is available for FTP.
58 *
59 * ARCHITECTURE ASSUMPTIONS:
60 *	This code used to have some nasty ones, but these have been removed
61 *	by now.	 The code requires a 32-bit integer type, though.
62 */
63#include <sys/cdefs.h>
64__RCSID("$NetBSD: t_crypt.c,v 1.3 2011/12/28 22:07:40 christos Exp $");
65
66#include <atf-c.h>
67#include <stdio.h>
68#include <string.h>
69#include <stdlib.h>
70#include <unistd.h>
71
72static const struct {
73	const char *hash;
74	const char *pw;
75} tests[] = {
76/* "new"-style */
77/*  0 */	{ "_J9..CCCCXBrJUJV154M", "U*U*U*U*" },
78/*  1 */	{ "_J9..CCCCXUhOBTXzaiE", "U*U***U" },
79/*  2 */	{ "_J9..CCCC4gQ.mB/PffM", "U*U***U*" },
80/*  3 */	{ "_J9..XXXXvlzQGqpPPdk", "*U*U*U*U" },
81/*  4 */	{ "_J9..XXXXsqM/YSSP..Y", "*U*U*U*U*" },
82/*  5 */	{ "_J9..XXXXVL7qJCnku0I", "*U*U*U*U*U*U*U*U" },
83/*  6 */	{ "_J9..XXXXAj8cFbP5scI", "*U*U*U*U*U*U*U*U*" },
84/*  7 */	{ "_J9..SDizh.vll5VED9g", "ab1234567" },
85/*  8 */	{ "_J9..SDizRjWQ/zePPHc", "cr1234567" },
86/*  9 */	{ "_J9..SDizxmRI1GjnQuE", "zxyDPWgydbQjgq" },
87/* 10 */	{ "_K9..SaltNrQgIYUAeoY", "726 even" },
88/* 11 */	{ "_J9..SDSD5YGyRCr4W4c", "" },
89/* "old"-style, valid salts */
90/* 12 */	{ "CCNf8Sbh3HDfQ", "U*U*U*U*" },
91/* 13 */	{ "CCX.K.MFy4Ois", "U*U***U" },
92/* 14 */	{ "CC4rMpbg9AMZ.", "U*U***U*" },
93/* 15 */	{ "XXxzOu6maQKqQ", "*U*U*U*U" },
94/* 16 */	{ "SDbsugeBiC58A", "" },
95/* 17 */	{ "./xZjzHv5vzVE", "password" },
96/* 18 */	{ "0A2hXM1rXbYgo", "password" },
97/* 19 */	{ "A9RXdR23Y.cY6", "password" },
98/* 20 */	{ "ZziFATVXHo2.6", "password" },
99/* 21 */	{ "zZDDIZ0NOlPzw", "password" },
100/* "old"-style, "reasonable" invalid salts, UFC-crypt behavior expected */
101/* 22 */	{ "\001\002wyd0KZo65Jo", "password" },
102/* 23 */	{ "a_C10Dk/ExaG.", "password" },
103/* 24 */	{ "~\377.5OTsRVjwLo", "password" },
104/* The below are erroneous inputs, so NULL return is expected/required */
105/* 25 */	{ "", "" }, /* no salt */
106/* 26 */	{ " ", "" }, /* setting string is too short */
107/* 27 */	{ "a:", "" }, /* unsafe character */
108/* 28 */	{ "\na", "" }, /* unsafe character */
109/* 29 */	{ "_/......", "" }, /* setting string is too short for its type */
110/* 30 */	{ "_........", "" }, /* zero iteration count */
111/* 31 */	{ "_/!......", "" }, /* invalid character in count */
112/* 32 */	{ "_/......!", "" }, /* invalid character in salt */
113/* 33 */	{ NULL, NULL }
114};
115
116ATF_TC(crypt_salts);
117
118ATF_TC_HEAD(crypt_salts, tc)
119{
120
121	atf_tc_set_md_var(tc, "descr", "crypt(3) salt consistency checks");
122}
123
124ATF_TC_BODY(crypt_salts, tc)
125{
126	for (size_t i = 0; tests[i].hash; i++) {
127		char *hash = crypt(tests[i].pw, tests[i].hash);
128#if defined(__FreeBSD__)
129		if (i >= 22 && i != 24 && i != 25)
130			atf_tc_expect_fail("Old-style/bad inputs fail on FreeBSD");
131		else
132			atf_tc_expect_pass();
133#endif
134		if (!hash) {
135			ATF_CHECK_MSG(0, "Test %zu NULL\n", i);
136			continue;
137		}
138		if (strcmp(hash, "*0") == 0 && strlen(tests[i].hash) < 13)
139			continue; /* expected failure */
140		if (strcmp(hash, tests[i].hash))
141			ATF_CHECK_MSG(0, "Test %zu %s != %s\n",
142			    i, hash, tests[i].hash);
143	}
144}
145
146ATF_TP_ADD_TCS(tp)
147{
148
149	ATF_TP_ADD_TC(tp, crypt_salts);
150	return atf_no_error();
151}
152