slappasswd.c 3.08 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
 *
 * Copyright 1998-2004 The OpenLDAP Foundation.
 * Portions Copyright 1998-2003 Kurt D. Zeilenga.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted only as authorized by the OpenLDAP
 * Public License.
 *
 * A copy of this license is available in file LICENSE in the
 * top-level directory of the distribution or, alternatively, at
 * <http://www.OpenLDAP.org/license.html>.
 */
/* ACKNOWLEDGEMENTS:
 * This work was initially developed by Kurt Zeilenga for inclusion
 * in OpenLDAP Software.
 */

#include "portable.h"

#include <stdio.h>

#include <ac/stdlib.h>

#include <ac/ctype.h>
#include <ac/signal.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include <ac/unistd.h>

#include <ldap.h>
#include <lutil.h>

#include "ldap_defaults.h"

static int	verbose = 0;

static void
usage(const char *s)
{
	fprintf(stderr,
		"Usage: %s [options]\n"
		"  -h hash\tpassword scheme\n"
		"  -s secret\tnew password\n"
		"  -c format\tcrypt(3) salt format\n"
		"  -u\t\tgenerate RFC2307 values (default)\n"
		"  -v\t\tincrease verbosity\n"
		"  -T file\tread file for new password\n"
		, s );

	exit( EXIT_FAILURE );
}

int
slappasswd( int argc, char *argv[] )
{
	char	*scheme = "{SSHA}";
	char	*newpw = NULL;
	char	*pwfile = NULL;
	const char *text;
	const char *progname = "slappasswd";

	int		i;
	struct berval passwd;
	struct berval *hash = NULL;

	while( (i = getopt( argc, argv,
		"c:d:h:s:T:vu" )) != EOF )
	{
		switch (i) {
		case 'c':	/* crypt salt format */
			scheme = "{CRYPT}";
			lutil_salt_format( optarg );
			break;

		case 'h':	/* scheme */
			scheme = strdup( optarg );
			break;

		case 's':	/* new password (secret) */
			{
				char* p;
				newpw = strdup( optarg );

				for( p = optarg; *p != '\0'; p++ ) {
					*p = '\0';
				}
			} break;

		case 'T':	/* password file */
			pwfile = optarg;
			break;

		case 'u':	/* RFC2307 userPassword */
			break;

		case 'v':	/* verbose */
			verbose++;
			break;

		default:
			usage ( progname );
		}
	}

	if( argc - optind != 0 ) {
		usage( progname );
	} 

	if( pwfile != NULL ) {
		if( lutil_get_filed_password( pwfile, &passwd )) {
			return EXIT_FAILURE;
		}
	} else {
		if( newpw == NULL ) {
			/* prompt for new password */
			char *cknewpw;
			newpw = strdup(getpassphrase("New password: "));
			cknewpw = getpassphrase("Re-enter new password: ");
	
			if( strcmp( newpw, cknewpw )) {
				fprintf( stderr, "Password values do not match\n" );
				return EXIT_FAILURE;
			}
		}

		passwd.bv_val = newpw;
		passwd.bv_len = strlen(passwd.bv_val);
	}

	hash = lutil_passwd_hash( &passwd, scheme, &text );
	if( hash == NULL || hash->bv_val == NULL ) {
		fprintf( stderr,
			"Password generation failed for scheme %s: %s\n",
			scheme, text ? text : "" );
		return EXIT_FAILURE;
	}

	if( lutil_passwd( hash, &passwd, NULL, &text ) ) {
		fprintf( stderr, "Password verification failed. %s\n",
			text ? text : "" );
		return EXIT_FAILURE;
	}

	printf( "%s\n" , hash->bv_val );
	return EXIT_SUCCESS;
}