X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=clients%2Ftools%2Fldappasswd.c;h=b0cdfb6dea4f8d95883831cfb412320d78be8b8e;hb=fd4b8ba0cd8c1aedb91837d36cfaafac3a64a735;hp=d87730bf986411d6835e812ce0384c7928ecb73f;hpb=26c7d69e8c30decc73374fcb41f0d711a1af3500;p=openldap

diff --git a/clients/tools/ldappasswd.c b/clients/tools/ldappasswd.c
index d87730bf98..b0cdfb6dea 100644
--- a/clients/tools/ldappasswd.c
+++ b/clients/tools/ldappasswd.c
@@ -1,6 +1,6 @@
 /* $OpenLDAP$ */
 /*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
@@ -19,6 +19,7 @@
 
 #include <ldap.h>
 
+#include "lutil_ldap.h"
 #include "ldap_defaults.h"
 
 static int	verbose = 0;
@@ -27,16 +28,35 @@ static void
 usage(const char *s)
 {
 	fprintf(stderr,
-		"Usage: %s [options]\n"
-		"  -D binddn\tbind dn\tREQUIRED\n"
-		"  -d level\tdebugging level\n"
-		"  -h host\tldap server (default: localhost)\n"
-		"  -n\t\tmake no modifications\n"
-		"  -p port\tldap port\n"
-		"  -s secret\tnew password\n"
-		"  -v\t\tincrease verbosity\n"
-		"  -W\t\tprompt for bind password\n"
-		"  -w passwd\tbind password (for simple authentication)\n"
+"Change password of an LDAP user\n\n"
+"usage: %s [options] [user]\n"
+"  user: the autentication identity, commonly a DN\n"
+"Password change options:\n"
+"  -a secret  old password\n"
+"  -A         prompt for old password\n"
+"  -s secret  new password\n"
+"  -S         prompt for new password\n"
+
+"Common options:\n"
+"  -d level   set LDAP debugging level to `level'\n"
+"  -D binddn  bind DN\n"
+"  -f file    read operations from `file'\n"
+"  -h host    LDAP server(s)\n"
+"  -H URI     LDAP Uniform Resource Indentifier(s)\n"
+"  -I         use SASL Interactive mode\n"
+"  -n         show what would be done but don't actually search\n"
+"  -O props   SASL security properties\n"
+"  -p port    port on LDAP server\n"
+"  -Q         use SASL Quiet mode\n"
+"  -R realm   SASL realm\n"
+"  -U user    SASL authentication identity (username)\n"
+"  -v         run in verbose mode (diagnostics to standard output)\n"
+"  -w passwd  bind passwd (for simple authentication)\n"
+"  -W         prompt for bind passwd\n"
+"  -x         Simple authentication\n"
+"  -X id      SASL authorization identity (\"dn:<dn>\" or \"u:<user>\")\n"
+"  -Y mech    SASL mechanism\n"
+"  -Z         Start TLS request (-ZZ to require successful response)\n"
 		, s );
 
 	exit( EXIT_FAILURE );
@@ -46,100 +66,478 @@ int
 main( int argc, char *argv[] )
 {
 	int rc;
-	char	*binddn = NULL;
-	char	*bindpw = NULL;
+	char	*prog = NULL;
 	char	*ldaphost = NULL;
+	char	*ldapuri = NULL;
+
+	char	*user = NULL;
+	char	*binddn = NULL;
+
+	struct berval passwd = { 0, NULL };
 	char	*newpw = NULL;
-	int		noupdates = 0;
+	char	*oldpw = NULL;
+
+	int		want_bindpw = 0;
+	int		want_newpw = 0;
+	int		want_oldpw = 0;
+
+	int		not = 0;
 	int		i;
 	int		ldapport = 0;
 	int		debug = 0;
 	int		version = -1;
-	int		want_bindpw = 0;
-	LDAP	       *ld;
+	int		authmethod = -1;
+	int		manageDSAit = 0;
+#ifdef HAVE_CYRUS_SASL
+	unsigned	sasl_flags = LDAP_SASL_AUTOMATIC;
+	char		*sasl_realm = NULL;
+	char		*sasl_authc_id = NULL;
+	char		*sasl_authz_id = NULL;
+	char		*sasl_mech = NULL;
+	char		*sasl_secprops = NULL;
+#endif
+	int		use_tls = 0;
+	int		referrals = 0;
+	LDAP	       *ld = NULL;
 	struct berval *bv = NULL;
-	BerElement *ber;
 
-	char	*retoid;
-	struct berval *retdata;
+	int id, code;
+	LDAPMessage *res;
+	char *matcheddn = NULL, *text = NULL, **refs = NULL;
+	char	*retoid = NULL;
+	struct berval *retdata = NULL;
 
-	if (argc == 1)
-		usage (argv[0]);
+    prog = (prog = strrchr(argv[0], *LDAP_DIRSEP)) == NULL ? argv[0] : prog + 1;
 
-	while( (i = getopt( argc, argv,
-		"D:d:h:np:s:vWw:" )) != EOF )
+	while( (i = getopt( argc, argv, "Aa:Ss:"
+		"Cd:D:h:H:InO:p:QR:U:vw:WxX:Y:Z" )) != EOF )
 	{
 		switch (i) {
-		case 'D':	/* bind distinguished name */
-			binddn = strdup (optarg);
+		/* Password Options */
+		case 'A':	/* prompt for old password */
+			want_oldpw++;
 			break;
 
-		case 'd':	/* debugging option */
-			debug |= atoi (optarg);
-			break;
+		case 'a':	/* old password (secret) */
+			oldpw = strdup (optarg);
 
-		case 'h':	/* ldap host */
-			ldaphost = strdup (optarg);
-			break;
+			{
+				char* p;
 
-		case 'n':	/* don't update entry(s) */
-			noupdates++;
+				for( p = optarg; *p == '\0'; p++ ) {
+					*p = '\0';
+				}
+			}
 			break;
 
-		case 'p':	/* ldap port */
-			ldapport = strtol( optarg, NULL, 10 );
+		case 'S':	/* prompt for user password */
+			want_newpw++;
 			break;
 
 		case 's':	/* new password (secret) */
 			newpw = strdup (optarg);
-			break;
-
-		case 'v':	/* verbose */
-			verbose++;
-			break;
-
-		case 'W':	/* prompt for bind password */
-			want_bindpw++;
-			break;
-
-		case 'w':	/* bind password */
-			bindpw = strdup (optarg);
 			{
 				char* p;
 
 				for( p = optarg; *p == '\0'; p++ ) {
-					*p = '*';
+					*p = '\0';
 				}
 			}
 			break;
 
+	/* Common Options (including options we don't use) */
+	case 'C':
+		referrals++;
+		break;
+	case 'd':
+	    debug |= atoi( optarg );
+	    break;
+	case 'D':	/* bind DN */
+		if( binddn != NULL ) {
+			fprintf( stderr, "%s: -D previously specified\n", prog );
+			return EXIT_FAILURE;
+		}
+	    binddn = strdup( optarg );
+	    break;
+	case 'h':	/* ldap host */
+		if( ldapuri != NULL ) {
+			fprintf( stderr, "%s: -h incompatible with -H\n", prog );
+			return EXIT_FAILURE;
+		}
+		if( ldaphost != NULL ) {
+			fprintf( stderr, "%s: -h previously specified\n", prog );
+			return EXIT_FAILURE;
+		}
+	    ldaphost = strdup( optarg );
+	    break;
+	case 'H':	/* ldap URI */
+		if( ldaphost != NULL ) {
+			fprintf( stderr, "%s: -H incompatible with -h\n", prog );
+			return EXIT_FAILURE;
+		}
+		if( ldapport ) {
+			fprintf( stderr, "%s: -H incompatible with -p\n", prog );
+			return EXIT_FAILURE;
+		}
+		if( ldapuri != NULL ) {
+			fprintf( stderr, "%s: -H previously specified\n", prog );
+			return EXIT_FAILURE;
+		}
+	    ldapuri = strdup( optarg );
+	    break;
+	case 'I':
+#ifdef HAVE_CYRUS_SASL
+		if( version == LDAP_VERSION2 ) {
+			fprintf( stderr, "%s: -I incompatible with version %d\n",
+				prog, version );
+			return EXIT_FAILURE;
+		}
+		if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
+			fprintf( stderr, "%s: incompatible previous "
+				"authentication choice\n",
+				prog );
+			return EXIT_FAILURE;
+		}
+		authmethod = LDAP_AUTH_SASL;
+		version = LDAP_VERSION3;
+		sasl_flags = LDAP_SASL_INTERACTIVE;
+		break;
+#else
+		fprintf( stderr, "%s: was not compiled with SASL support\n",
+			prog );
+		return( EXIT_FAILURE );
+#endif
+	case 'k':	/* kerberos bind */
+#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
+		if( version > LDAP_VERSION2 ) {
+			fprintf( stderr, "%s: -k incompatible with LDAPv%d\n",
+				prog, version );
+			return EXIT_FAILURE;
+		}
+
+		if( authmethod != -1 ) {
+			fprintf( stderr, "%s: -k incompatible with previous "
+				"authentication choice\n", prog );
+			return EXIT_FAILURE;
+		}
+			
+		authmethod = LDAP_AUTH_KRBV4;
+#else
+		fprintf( stderr, "%s: not compiled with Kerberos support\n", prog );
+		return EXIT_FAILURE;
+#endif
+	    break;
+	case 'K':	/* kerberos bind, part one only */
+#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
+		if( version > LDAP_VERSION2 ) {
+			fprintf( stderr, "%s: -k incompatible with LDAPv%d\n",
+				prog, version );
+			return EXIT_FAILURE;
+		}
+		if( authmethod != -1 ) {
+			fprintf( stderr, "%s: incompatible with previous "
+				"authentication choice\n", prog );
+			return EXIT_FAILURE;
+		}
+
+		authmethod = LDAP_AUTH_KRBV41;
+#else
+		fprintf( stderr, "%s: not compiled with Kerberos support\n", prog );
+		return( EXIT_FAILURE );
+#endif
+	    break;
+	case 'M':
+		/* enable Manage DSA IT */
+		if( version == LDAP_VERSION2 ) {
+			fprintf( stderr, "%s: -M incompatible with LDAPv%d\n",
+				prog, version );
+			return EXIT_FAILURE;
+		}
+		manageDSAit++;
+		version = LDAP_VERSION3;
+		break;
+	case 'n':	/* print deletes, don't actually do them */
+	    ++not;
+	    break;
+	case 'O':
+#ifdef HAVE_CYRUS_SASL
+		if( sasl_secprops != NULL ) {
+			fprintf( stderr, "%s: -O previously specified\n", prog );
+			return EXIT_FAILURE;
+		}
+		if( version == LDAP_VERSION2 ) {
+			fprintf( stderr, "%s: -O incompatible with LDAPv%d\n",
+				prog, version );
+			return EXIT_FAILURE;
+		}
+		if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
+			fprintf( stderr, "%s: incompatible previous "
+				"authentication choice\n", prog );
+			return EXIT_FAILURE;
+		}
+		authmethod = LDAP_AUTH_SASL;
+		version = LDAP_VERSION3;
+		sasl_secprops = strdup( optarg );
+#else
+		fprintf( stderr, "%s: not compiled with SASL support\n",
+			prog );
+		return( EXIT_FAILURE );
+#endif
+		break;
+	case 'p':
+		if( ldapport ) {
+			fprintf( stderr, "%s: -p previously specified\n", prog );
+			return EXIT_FAILURE;
+		}
+	    ldapport = atoi( optarg );
+	    break;
+	case 'P':
+		switch( atoi(optarg) ) {
+		case 2:
+			if( version == LDAP_VERSION3 ) {
+				fprintf( stderr, "%s: -P 2 incompatible with version %d\n",
+					prog, version );
+				return EXIT_FAILURE;
+			}
+			version = LDAP_VERSION2;
+			break;
+		case 3:
+			if( version == LDAP_VERSION2 ) {
+				fprintf( stderr, "%s: -P 2 incompatible with version %d\n",
+					prog, version );
+				return EXIT_FAILURE;
+			}
+			version = LDAP_VERSION3;
+			break;
+		default:
+			fprintf( stderr, "%s: protocol version should be 2 or 3\n",
+				prog );
+			usage( prog );
+			return( EXIT_FAILURE );
+		} break;
+	case 'Q':
+#ifdef HAVE_CYRUS_SASL
+		if( version == LDAP_VERSION2 ) {
+			fprintf( stderr, "%s: -Q incompatible with version %d\n",
+				prog, version );
+			return EXIT_FAILURE;
+		}
+		if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
+			fprintf( stderr, "%s: incompatible previous "
+				"authentication choice\n",
+				prog );
+			return EXIT_FAILURE;
+		}
+		authmethod = LDAP_AUTH_SASL;
+		version = LDAP_VERSION3;
+		sasl_flags = LDAP_SASL_QUIET;
+		break;
+#else
+		fprintf( stderr, "%s: not compiled with SASL support\n",
+			prog );
+		return( EXIT_FAILURE );
+#endif
+	case 'R':
+#ifdef HAVE_CYRUS_SASL
+		if( sasl_realm != NULL ) {
+			fprintf( stderr, "%s: -R previously specified\n", prog );
+			return EXIT_FAILURE;
+		}
+		if( version == LDAP_VERSION2 ) {
+			fprintf( stderr, "%s: -R incompatible with version %d\n",
+				prog, version );
+			return EXIT_FAILURE;
+		}
+		if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
+			fprintf( stderr, "%s: incompatible previous "
+				"authentication choice\n",
+				prog );
+			return EXIT_FAILURE;
+		}
+		authmethod = LDAP_AUTH_SASL;
+		version = LDAP_VERSION3;
+		sasl_realm = strdup( optarg );
+#else
+		fprintf( stderr, "%s: not compiled with SASL support\n",
+			prog );
+		return( EXIT_FAILURE );
+#endif
+		break;
+	case 'U':
+#ifdef HAVE_CYRUS_SASL
+		if( sasl_authc_id != NULL ) {
+			fprintf( stderr, "%s: -U previously specified\n", prog );
+			return EXIT_FAILURE;
+		}
+		if( version == LDAP_VERSION2 ) {
+			fprintf( stderr, "%s: -U incompatible with version %d\n",
+				prog, version );
+			return EXIT_FAILURE;
+		}
+		if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
+			fprintf( stderr, "%s: incompatible previous "
+				"authentication choice\n",
+				prog );
+			return EXIT_FAILURE;
+		}
+		authmethod = LDAP_AUTH_SASL;
+		version = LDAP_VERSION3;
+		sasl_authc_id = strdup( optarg );
+#else
+		fprintf( stderr, "%s: not compiled with SASL support\n",
+			prog );
+		return( EXIT_FAILURE );
+#endif
+		break;
+	case 'v':	/* verbose mode */
+	    verbose++;
+	    break;
+	case 'w':	/* password */
+	    passwd.bv_val = strdup( optarg );
+		{
+			char* p;
+
+			for( p = optarg; *p == '\0'; p++ ) {
+				*p = '\0';
+			}
+		}
+		passwd.bv_len = strlen( passwd.bv_val );
+	    break;
+	case 'W':
+		want_bindpw++;
+		break;
+	case 'Y':
+#ifdef HAVE_CYRUS_SASL
+		if( sasl_mech != NULL ) {
+			fprintf( stderr, "%s: -Y previously specified\n", prog );
+			return EXIT_FAILURE;
+		}
+		if( version == LDAP_VERSION2 ) {
+			fprintf( stderr, "%s: -Y incompatible with version %d\n",
+				prog, version );
+			return EXIT_FAILURE;
+		}
+		if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
+			fprintf( stderr, "%s: incompatible with authentication choice\n", prog );
+			return EXIT_FAILURE;
+		}
+		authmethod = LDAP_AUTH_SASL;
+		version = LDAP_VERSION3;
+		sasl_mech = strdup( optarg );
+#else
+		fprintf( stderr, "%s: not compiled with SASL support\n",
+			prog );
+		return( EXIT_FAILURE );
+#endif
+		break;
+	case 'x':
+		if( authmethod != -1 && authmethod != LDAP_AUTH_SIMPLE ) {
+			fprintf( stderr, "%s: incompatible with previous "
+				"authentication choice\n", prog );
+			return EXIT_FAILURE;
+		}
+		authmethod = LDAP_AUTH_SIMPLE;
+		break;
+	case 'X':
+#ifdef HAVE_CYRUS_SASL
+		if( sasl_authz_id != NULL ) {
+			fprintf( stderr, "%s: -X previously specified\n", prog );
+			return EXIT_FAILURE;
+		}
+		if( version == LDAP_VERSION2 ) {
+			fprintf( stderr, "%s: -X incompatible with LDAPv%d\n",
+				prog, version );
+			return EXIT_FAILURE;
+		}
+		if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
+			fprintf( stderr, "%s: -X incompatible with "
+				"authentication choice\n", prog );
+			return EXIT_FAILURE;
+		}
+		authmethod = LDAP_AUTH_SASL;
+		version = LDAP_VERSION3;
+		sasl_authz_id = strdup( optarg );
+#else
+		fprintf( stderr, "%s: not compiled with SASL support\n",
+			prog );
+		return( EXIT_FAILURE );
+#endif
+		break;
+	case 'Z':
+#ifdef HAVE_TLS
+		if( version == LDAP_VERSION2 ) {
+			fprintf( stderr, "%s: -Z incompatible with version %d\n",
+				prog, version );
+			return EXIT_FAILURE;
+		}
+		version = LDAP_VERSION3;
+		use_tls++;
+#else
+		fprintf( stderr, "%s: not compiled with TLS support\n",
+			prog );
+		return( EXIT_FAILURE );
+#endif
+		break;
+
 
 		default:
+			fprintf( stderr, "%s: unrecognized option -%c\n",
+				prog, optopt );
 			usage (argv[0]);
 		}
 	}
 
-	if( newpw == NULL ) {
-		/* prompt for new password */
-		char *cknewpw;
-		newpw = strdup(getpass("New password: "));
-		cknewpw = getpass("Re-enter new password: ");
+	if (authmethod == -1) {
+#ifdef HAVE_CYRUS_SASL
+		authmethod = LDAP_AUTH_SASL;
+#else
+		authmethod = LDAP_AUTH_SIMPLE;
+#endif
+	}
+
+	if( argc - optind > 1 ) {
+		usage( argv[0] );
+	} else if ( argc - optind == 1 ) {
+		user = strdup( argv[optind] );
+	} else {
+		user = NULL;
+	}
+
+	if( want_oldpw && oldpw == NULL ) {
+		/* prompt for old password */
+		char *ckoldpw;
+		oldpw = strdup(getpassphrase("Old password: "));
+		ckoldpw = getpassphrase("Re-enter old password: ");
 
-		if( strncmp( newpw, cknewpw, strlen(newpw) )) {
+		if( oldpw== NULL || ckoldpw == NULL ||
+			strncmp( oldpw, ckoldpw, strlen(oldpw) ))
+		{
 			fprintf( stderr, "passwords do not match\n" );
 			return EXIT_FAILURE;
 		}
 	}
 
-	if( binddn == NULL ) {
-		fprintf( stderr, "no bind DN specified\n" );
-		return EXIT_FAILURE;
+	if( want_newpw && newpw == NULL ) {
+		/* prompt for new password */
+		char *cknewpw;
+		newpw = strdup(getpassphrase("New password: "));
+		cknewpw = getpassphrase("Re-enter new password: ");
+
+		if( newpw== NULL || cknewpw == NULL ||
+			strncmp( newpw, cknewpw, strlen(newpw) ))
+		{
+			fprintf( stderr, "passwords do not match\n" );
+			return EXIT_FAILURE;
+		}
 	}
 
-	/* handle bind password */
-	if (want_bindpw) {
-		fprintf( stderr, "Bind DN: %s\n", binddn );
-		bindpw = strdup( getpass("Enter bind password: "));
+	if (want_bindpw && passwd.bv_val == NULL ) {
+		/* handle bind password */
+		if( binddn != NULL ) {
+			fprintf( stderr, "Bind DN: %s\n", binddn );
+		}
+		passwd.bv_val = strdup( getpassphrase("Enter bind password: "));
+		passwd.bv_len = passwd.bv_val ? strlen( passwd.bv_val ) : 0;
 	}
 
 	if ( debug ) {
@@ -156,70 +554,236 @@ main( int argc, char *argv[] )
 #endif
 
 	/* connect to server */
-	if ((ld = ldap_init( ldaphost, ldapport )) == NULL) {
-		perror("ldap_init");
-		return EXIT_FAILURE;
+	if( ( ldaphost != NULL || ldapport ) && ( ldapuri == NULL ) ) {
+		if ( verbose ) {
+			fprintf( stderr, "ldap_init( %s, %d )\n",
+				ldaphost != NULL ? ldaphost : "<DEFAULT>",
+				ldapport );
+		}
+
+		ld = ldap_init( ldaphost, ldapport );
+		if( ld == NULL ) {
+			perror("ldapsearch: ldap_init");
+			return EXIT_FAILURE;
+		}
+
+	} else {
+		if ( verbose ) {
+			fprintf( stderr, "ldap_initialize( %s )\n",
+				ldapuri != NULL ? ldapuri : "<DEFAULT>" );
+		}
+
+		rc = ldap_initialize( &ld, ldapuri );
+		if( rc != LDAP_SUCCESS ) {
+			fprintf( stderr, "Could not create LDAP session handle (%d): %s\n",
+				rc, ldap_err2string(rc) );
+			return EXIT_FAILURE;
+		}
 	}
 
-	/* don't chase referrals */
-	ldap_set_option( ld, LDAP_OPT_REFERRALS, LDAP_OPT_OFF );
+	/* referrals */
+	if (ldap_set_option( ld, LDAP_OPT_REFERRALS,
+		referrals ? LDAP_OPT_ON : LDAP_OPT_OFF ) != LDAP_OPT_SUCCESS )
+	{
+		fprintf( stderr, "Could not set LDAP_OPT_REFERRALS %s\n",
+			referrals ? "on" : "off" );
+		return EXIT_FAILURE;
+	}
 
+	/* LDAPv3 only */
 	version = 3;
 	rc = ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &version );
 
 	if(rc != LDAP_OPT_SUCCESS ) {
 		fprintf( stderr, "Could not set LDAP_OPT_PROTOCOL_VERSION %d\n", version );
+		return EXIT_FAILURE;
 	}
 
-	rc = ldap_bind_s( ld, binddn, bindpw, LDAP_AUTH_SIMPLE );
+	if ( use_tls && ldap_start_tls_s( ld, NULL, NULL ) != LDAP_SUCCESS ) {
+		if ( use_tls > 1 ) {
+			ldap_perror( ld, "ldap_start_tls" );
+			return( EXIT_FAILURE );
+		}
+		fprintf( stderr, "WARNING: could not start TLS\n" );
+	}
 
-	if ( rc != LDAP_SUCCESS ) {
-		ldap_perror( ld, "ldap_bind" );
-		ldap_unbind( ld );
-		return EXIT_FAILURE;
+	if ( authmethod == LDAP_AUTH_SASL ) {
+#ifdef HAVE_CYRUS_SASL
+		void *defaults;
+
+		if( sasl_secprops != NULL ) {
+			rc = ldap_set_option( ld, LDAP_OPT_X_SASL_SECPROPS,
+				(void *) sasl_secprops );
+			
+			if( rc != LDAP_OPT_SUCCESS ) {
+				fprintf( stderr,
+					"Could not set LDAP_OPT_X_SASL_SECPROPS: %s\n",
+					sasl_secprops );
+				return( EXIT_FAILURE );
+			}
+		}
+		
+		defaults = lutil_sasl_defaults( ld,
+			sasl_mech,
+			sasl_realm,
+			sasl_authc_id,
+			passwd.bv_val,
+			sasl_authz_id );
+
+		rc = ldap_sasl_interactive_bind_s( ld, binddn,
+			sasl_mech, NULL, NULL,
+			sasl_flags, lutil_sasl_interact, defaults );
+
+		if( rc != LDAP_SUCCESS ) {
+			ldap_perror( ld, "ldap_sasl_interactive_bind_s" );
+			return( EXIT_FAILURE );
+		}
+#else
+		fprintf( stderr, "%s: not compiled with SASL support\n",
+			argv[0] );
+		return( EXIT_FAILURE );
+#endif
+	}
+	else {
+		if ( ldap_bind_s( ld, binddn, passwd.bv_val, authmethod )
+				!= LDAP_SUCCESS ) {
+			ldap_perror( ld, "ldap_bind" );
+			return( EXIT_FAILURE );
+		}
 	}
 
-	/* build change password control */
-	ber = ber_alloc_t( LBER_USE_DER );
+	if( user != NULL || oldpw != NULL || newpw != NULL ) {
+		/* build change password control */
+		BerElement *ber = ber_alloc_t( LBER_USE_DER );
 
-	if( ber == NULL ) {
-		perror( "ber_alloc_t" );
-		ldap_unbind( ld );
-		return EXIT_FAILURE;
-	}
+		if( ber == NULL ) {
+			perror( "ber_alloc_t" );
+			ldap_unbind( ld );
+			return EXIT_FAILURE;
+		}
 
-	ber_printf( ber, "{es}",
-		(ber_int_t) 0,
-		newpw );
+		ber_printf( ber, "{" /*}*/ );
 
-	rc = ber_flatten( ber, &bv );
+		if( user != NULL ) {
+			ber_printf( ber, "ts",
+				LDAP_TAG_EXOP_X_MODIFY_PASSWD_ID, user );
+			free(user);
+		}
 
-	if( rc < 0 ) {
-		perror( "ber_flatten" );
-		ldap_unbind( ld );
-		return EXIT_FAILURE;
+		if( oldpw != NULL ) {
+			ber_printf( ber, "ts",
+				LDAP_TAG_EXOP_X_MODIFY_PASSWD_NEW, oldpw );
+			free(oldpw);
+		}
+
+		if( newpw != NULL ) {
+			ber_printf( ber, "ts",
+				LDAP_TAG_EXOP_X_MODIFY_PASSWD_NEW, newpw );
+			free(newpw);
+		}
+
+		ber_printf( ber, /*{*/ "N}" );
+
+		rc = ber_flatten( ber, &bv );
+
+		if( rc < 0 ) {
+			perror( "ber_flatten" );
+			ldap_unbind( ld );
+			return EXIT_FAILURE;
+		}
+
+		ber_free( ber, 1 );
 	}
 
-	ber_free( ber, 1 );
+	if ( not ) {
+		rc = LDAP_SUCCESS;
+		goto skip;
+	}
 
-	rc = ldap_extended_operation_s( ld,
+	rc = ldap_extended_operation( ld,
 		LDAP_EXOP_X_MODIFY_PASSWD, bv, 
-		NULL, NULL,
-		&retoid, &retdata );
+		NULL, NULL, &id );
 
 	ber_bvfree( bv );
 
-	if ( rc != LDAP_SUCCESS ) {
+	if( rc != LDAP_SUCCESS ) {
 		ldap_perror( ld, "ldap_extended_operation" );
 		ldap_unbind( ld );
 		return EXIT_FAILURE;
 	}
 
-	ldap_memfree( retoid );
+	rc = ldap_result( ld, LDAP_RES_ANY, LDAP_MSG_ALL, NULL, &res );
+	if ( rc < 0 ) {
+		ldap_perror( ld, "ldappasswd: ldap_result" );
+		return rc;
+	}
+
+	rc = ldap_parse_result( ld, res, &code, &matcheddn, &text, &refs, NULL, 0 );
+
+	if( rc != LDAP_SUCCESS ) {
+		ldap_perror( ld, "ldap_parse_result" );
+		return rc;
+	}
+
+	rc = ldap_parse_extended_result( ld, res, &retoid, &retdata, 1 );
+
+	if( rc != LDAP_SUCCESS ) {
+		ldap_perror( ld, "ldap_parse_result" );
+		return rc;
+	}
+
+	if( retdata != NULL ) {
+		ber_tag_t tag;
+		char *s;
+		BerElement *ber = ber_init( retdata );
+
+		if( ber == NULL ) {
+			perror( "ber_init" );
+			ldap_unbind( ld );
+			return EXIT_FAILURE;
+		}
+
+		/* we should check the tag */
+		tag = ber_scanf( ber, "{a}", &s);
+
+		if( tag == LBER_ERROR ) {
+			perror( "ber_scanf" );
+		} else {
+			printf("New password: %s\n", s);
+			free( s );
+		}
+
+		ber_free( ber, 1 );
+	}
+
+	if( verbose || code != LDAP_SUCCESS || matcheddn || text || refs ) {
+		printf( "Result: %s (%d)\n", ldap_err2string( code ), code );
+
+		if( text && *text ) {
+			printf( "Additional info: %s\n", text );
+		}
+
+		if( matcheddn && *matcheddn ) {
+			printf( "Matched DN: %s\n", matcheddn );
+		}
+
+		if( refs ) {
+			int i;
+			for( i=0; refs[i]; i++ ) {
+				printf("Referral: %s\n", refs[i] );
+			}
+		}
+	}
+
+	ber_memfree( text );
+	ber_memfree( matcheddn );
+	ber_memvfree( (void **) refs );
+	ber_memfree( retoid );
 	ber_bvfree( retdata );
 
+skip:
 	/* disconnect from server */
 	ldap_unbind (ld);
 
-	return ( EXIT_SUCCESS );
+	return EXIT_SUCCESS;
 }