1 /*
2 * $Id: pwd.c,v 1.6 2004/07/12 17:53:02 hiroo Exp $
3 */
4
5 /*
6 * FreeWnn is a network-extensible Kana-to-Kanji conversion system.
7 * This file is part of FreeWnn.
8 *
9 * Copyright Kyoto University Research Institute for Mathematical Sciences
10 * 1987, 1988, 1989, 1990, 1991, 1992
11 * Copyright OMRON Corporation. 1987, 1988, 1989, 1990, 1991, 1992, 1999
12 * Copyright ASTEC, Inc. 1987, 1988, 1989, 1990, 1991, 1992
13 * Copyright FreeWnn Project 1999, 2000, 2002
14 *
15 * Maintainer: FreeWnn Project <freewnn@tomo.gr.jp>
16 *
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2 of the License, or
20 * (at your option) any later version.
21 *
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
26 *
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 */
31
32 /*
33 eval(crypt(PWD, "HA")) routine.
34 */
35 #ifdef HAVE_CONFIG_H
36 # include <config.h>
37 #endif
38
39 #ifndef JS
40 #include <stdio.h>
41 #if STDC_HEADERS
42 # include <string.h>
43 #elif HAVE_STRINGS_H
44 # include <strings.h>
45 #endif /* STDC_HEADERS */
46 #if HAVE_UNISTD_H
47 # include <unistd.h>
48 #endif
49 #include "commonhd.h"
50 #include "jslib.h"
51 #include "wnn_os.h"
52 #endif /* !JS */
53
54 #ifdef JS
55 # define JS_STATIC static
56 #else /* !JS */
57 # define JS_STATIC
58 #endif /* !JS */
59
60 /* etc/pwd.c */
61 JS_STATIC void new_pwd (char* src, char* encd);
62 JS_STATIC int check_pwd (char* src, char* encd);
63
64 JS_STATIC void
new_pwd(char * src,char * encd)65 new_pwd(char *src, char *encd)
66 {
67 int i, x, c;
68 char xx[3];
69 char *cr;
70
71 if (encd == NULL)
72 encd = src;
73
74 if (strcmp (src, "") == 0) {
75 bzero (encd, WNN_PASSWD_LEN);
76 return;
77 }
78
79 x = time (NULL);
80 xx[0] = x & 0x3f;
81 xx[1] = (x & 0x3f00) >> 8;
82
83 /* for MD5 (that requires terminator) */
84 xx[2] = '\0';
85
86 for (i = 0; i < 2; i++) {
87 c = xx[i] + '.';
88 if (c > '9')
89 c += 7;
90 if (c > 'Z')
91 c += 6;
92 xx[i] = c;
93 }
94
95 cr = crypt(src, xx);
96 bzero(encd, WNN_PASSWD_LEN);
97 strncpy(encd, cr, WNN_PASSWD_LEN);
98 }
99
100 JS_STATIC int
check_pwd(char * src,char * encd)101 check_pwd(char* src, char* encd)
102 {
103 if (strcmp (encd, "") == 0)
104 /* No passwd */
105 return (1);
106
107 return (!strncmp(encd, crypt(src, encd), WNN_PASSWD_LEN));
108 }
109