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  • /* $OpenLDAP$ */
    /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
     *
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
     * Copyright 1998-2005 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;
    
    
    	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 );