/* bind.c - ldbm backend bind and unbind routines */
/* $OpenLDAP$ */
/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include <lutil.h>
+int passwd_extop(
+ Connection *conn, Operation *op,
+ const char *reqoid,
+ struct berval *reqdata,
+ char **rspoid,
+ struct berval **rspdata,
+ LDAPControl ***rspctrls,
+ const char **text,
+ struct berval ***refs )
+{
+ int rc;
+
+ assert( reqoid != NULL );
+ assert( strcmp( LDAP_EXOP_X_MODIFY_PASSWD, reqoid ) == 0 );
+
+ if( op->o_dn == NULL || op->o_dn[0] == '\0' ) {
+ *text = "only authenicated users may change passwords";
+ return LDAP_STRONG_AUTH_REQUIRED;
+ }
+
+ if( conn->c_authz_backend != NULL && conn->c_authz_backend->be_extended ) {
+ if( conn->c_authz_backend->be_restrictops & SLAP_RESTRICT_OP_MODIFY ) {
+ *text = "authorization database is read only";
+ rc = LDAP_UNWILLING_TO_PERFORM;
+
+ } else if( conn->c_authz_backend->be_update_ndn != NULL ) {
+ /* we SHOULD return a referral in this case */
+ *refs = conn->c_authz_backend->be_update_refs;
+ rc = LDAP_REFERRAL;
+
+ } else {
+ rc = conn->c_authz_backend->be_extended(
+ conn->c_authz_backend, conn, op,
+ reqoid, reqdata,
+ rspoid, rspdata, rspctrls,
+ text, refs );
+ }
+
+ } else {
+ *text = "operation not supported for current user";
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ }
+
+ return rc;
+}
+
+int slap_passwd_parse( struct berval *reqdata,
+ struct berval **id,
+ struct berval **oldpass,
+ struct berval **newpass,
+ const char **text )
+{
+ int rc = LDAP_SUCCESS;
+ ber_tag_t tag;
+ ber_len_t len;
+ BerElement *ber;
+
+ if( reqdata == NULL ) {
+ return LDAP_SUCCESS;
+ }
+
+ ber = ber_init( reqdata );
+
+ if( ber == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "slap_passwd_parse: ber_init failed\n" ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: ber_init failed\n",
+ 0, 0, 0 );
+#endif
+
+ *text = "password decoding error";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ tag = ber_scanf( ber, "{" /*}*/ );
+
+ if( tag != LBER_ERROR ) {
+ tag = ber_peek_tag( ber, &len );
+ }
+
+ if( tag == LDAP_TAG_EXOP_X_MODIFY_PASSWD_ID ) {
+ if( id == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "slap_passwd_parse: ID not allowed.\n"));
+#else
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: ID not allowed.\n",
+ 0, 0, 0 );
+#endif
+
+ *text = "user must change own password";
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ goto done;
+ }
+
+ tag = ber_scanf( ber, "O", id );
+
+ if( tag == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "slap_passwd_parse: ID parse failed.\n"));
+#else
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: ID parse failed.\n",
+ 0, 0, 0 );
+#endif
+
+ goto decoding_error;
+ }
+
+ tag = ber_peek_tag( ber, &len);
+ }
+
+ if( tag == LDAP_TAG_EXOP_X_MODIFY_PASSWD_OLD ) {
+ if( oldpass == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "slap_passwd_parse: OLD not allowed.\n" ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: OLD not allowed.\n",
+ 0, 0, 0 );
+#endif
+
+ *text = "use bind to verify old password";
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ goto done;
+ }
+
+ tag = ber_scanf( ber, "O", oldpass );
+
+ if( tag == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "slap_passwd_parse: ID parse failed.\n" ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: ID parse failed.\n",
+ 0, 0, 0 );
+#endif
+
+ goto decoding_error;
+ }
+
+ tag = ber_peek_tag( ber, &len);
+ }
+
+ if( tag == LDAP_TAG_EXOP_X_MODIFY_PASSWD_NEW ) {
+ if( newpass == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "slap_passwd_parse: NEW not allowed.\n" ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: NEW not allowed.\n",
+ 0, 0, 0 );
+#endif
+
+ *text = "user specified passwords disallowed";
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ goto done;
+ }
+
+ tag = ber_scanf( ber, "O", newpass );
+
+ if( tag == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "slap_passwd_parse: OLD parse failed.\n"));
+#else
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: OLD parse failed.\n",
+ 0, 0, 0 );
+#endif
+
+ goto decoding_error;
+ }
+
+ tag = ber_peek_tag( ber, &len );
+ }
+
+ if( len != 0 ) {
+decoding_error:
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "slap_passwd_parse: decoding error, len=%ld\n", (long)len ));
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_passwd_parse: decoding error, len=%ld\n",
+ (long) len, 0, 0 );
+#endif
+
+
+ *text = "data decoding error";
+ rc = LDAP_PROTOCOL_ERROR;
+ }
+
+done:
+ if( rc != LDAP_SUCCESS ) {
+ if( id != NULL ) {
+ ber_bvfree( *id );
+ *id = NULL;
+ }
+
+ if( oldpass != NULL ) {
+ ber_bvfree( *oldpass );
+ *oldpass = NULL;
+ }
+
+ if( newpass != NULL ) {
+ ber_bvfree( *newpass );
+ *newpass = NULL;
+ }
+ }
+
+ ber_free( ber, 1 );
+ return rc;
+}
+
+struct berval * slap_passwd_return(
+ struct berval *cred )
+{
+ int rc;
+ struct berval *bv;
+ BerElement *ber = ber_alloc_t(LBER_USE_DER);
+
+ assert( cred != NULL );
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+ "slap_passwd_return: %ld\n",(long)cred->bv_len ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_return: %ld\n",
+ (long) cred->bv_len, 0, 0 );
+#endif
+
+
+ if( ber == NULL ) return NULL;
+
+ rc = ber_printf( ber, "{tON}",
+ LDAP_TAG_EXOP_X_MODIFY_PASSWD_GEN, cred );
+
+ if( rc == -1 ) {
+ ber_free( ber, 1 );
+ return NULL;
+ }
+
+ (void) ber_flatten( ber, &bv );
+
+ ber_free( ber, 1 );
+
+ return bv;
+}
int
slap_passwd_check(
- struct berval **vals,
- struct berval *v,
- int syntax,
- int normalize,
- struct berval *cred
-)
+ Connection *conn,
+ Attribute *a,
+ struct berval *cred )
{
- int i;
- for ( i = 0; vals[i] != NULL; i++ ) {
- if ( syntax == SYNTAX_BIN ) {
- int result;
+ int i;
+ int result = 1;
-#ifdef SLAPD_CRYPT
- ldap_pvt_thread_mutex_lock( &crypt_mutex );
+#if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
+ ldap_pvt_thread_mutex_lock( &passwd_mutex );
+#ifdef SLAPD_SPASSWD
+ lutil_passwd_sasl_conn = conn->c_sasl_context;
+#endif
#endif
- result = lutil_passwd(
- (char*) cred->bv_val,
- (char*) vals[i]->bv_val,
- NULL );
+ for ( i = 0; a->a_vals[i] != NULL; i++ ) {
+ if( !lutil_passwd( a->a_vals[i], cred, NULL ) ) {
+ result = 0;
+ break;
+ }
+ }
-#ifdef SLAPD_CRYPT
- ldap_pvt_thread_mutex_unlock( &crypt_mutex );
+#if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
+#ifdef SLAPD_SPASSWD
+ lutil_passwd_sasl_conn = NULL;
+#endif
+ ldap_pvt_thread_mutex_unlock( &passwd_mutex );
#endif
- return result;
+ return result;
+}
- } else {
- if ( value_cmp( vals[i], v, syntax, normalize ) == 0 ) {
- return( 0 );
- }
- }
- }
+struct berval * slap_passwd_generate( void )
+{
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+ "slap_passwd_generate: begin\n" ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_generate\n", 0, 0, 0 );
+#endif
+
+
+ /*
+ * generate passwords of only 8 characters as some getpass(3)
+ * implementations truncate at 8 characters.
+ */
+ return lutil_passwd_generate( 8 );
+}
+
+struct berval * slap_passwd_hash(
+ struct berval * cred )
+{
+#ifdef LUTIL_SHA1_BYTES
+ char* hash = default_passwd_hash ? default_passwd_hash : "{SSHA}";
+#else
+ char* hash = default_passwd_hash ? default_passwd_hash : "{SMD5}";
+#endif
+
+
+ struct berval *new;
+
+#if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
+ ldap_pvt_thread_mutex_lock( &passwd_mutex );
+#endif
+
+ new = lutil_passwd_hash( cred , hash );
+
+#if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
+ ldap_pvt_thread_mutex_unlock( &passwd_mutex );
+#endif
- return( 1 );
+ return new;
}