openldap/servers/slapd/slappasswd.c

151 lines
3.1 KiB
C

/* $OpenLDAP$ */
/* 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;
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);
}
lutil_passwd_hash( &passwd, scheme, &hash, &text );
if( 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;
}