-/******************************************************************************
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright (C) 2000 Pierangelo Masarati, <ando@sys-net.it>
+ * Copyright 2000-2011 The OpenLDAP Foundation.
* All rights reserved.
*
- * Permission is granted to anyone to use this software for any purpose
- * on any computer system, and to alter it and redistribute it, subject
- * to the following restrictions:
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
*
- * 1. The author is not responsible for the consequences of use of this
- * software, no matter how awful, even if they arise from flaws in it.
- *
- * 2. The origin of this software must not be misrepresented, either by
- * explicit claim or by omission. Since few users ever read sources,
- * credits should appear in the documentation.
- *
- * 3. Altered versions must be plainly marked as such, and must not be
- * misrepresented as being the original software. Since few users
- * ever read sources, credits should appear in the documentation.
- *
- * 4. This notice may not be removed or altered.
- *
- ******************************************************************************/
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENT:
+ * This work was initially developed by Pierangelo Masarati for
+ * inclusion in OpenLDAP Software.
+ */
#include <portable.h>
#include "rewrite-int.h"
#include "rewrite-map.h"
+static int num_mappers;
+static const rewrite_mapper **mappers;
+#define MAPPER_ALLOC 8
+
struct rewrite_map *
rewrite_map_parse(
struct rewrite_info *info,
* Go to the end of the map invocation (the right closing brace)
*/
for ( p = string, cnt = 1; p[ 0 ] != '\0' && cnt > 0; p++ ) {
- if ( p[ 0 ] == REWRITE_SUBMATCH_ESCAPE ) {
+ if ( IS_REWRITE_SUBMATCH_ESCAPE( p[ 0 ] ) ) {
/*
* '%' marks the beginning of a new map
*/
*/
l = p - string - 1;
s = calloc( sizeof( char ), l + 1 );
+ if ( s == NULL ) {
+ return NULL;
+ }
AC_MEMCPY( s, string, l );
s[ l ] = 0;
*/
map->lm_type = REWRITE_MAP_SUBCONTEXT;
map->lm_name = strdup( s + 1 );
+ if ( map->lm_name == NULL ) {
+ rc = -1;
+ goto cleanup;
+ }
map->lm_data = rewrite_context_find( info, s + 1 );
if ( map->lm_data == NULL ) {
rc = -1;
map->lm_name = strdup( s + 1 );
}
}
+ if ( map->lm_name == NULL ) {
+ rc = -1;
+ goto cleanup;
+ }
break;
/*
map->lm_type = REWRITE_MAP_GET_OP_VAR;
map->lm_name = strdup( s + 1 );
}
+ if ( map->lm_name == NULL ) {
+ rc = -1;
+ goto cleanup;
+ }
break;
/*
case REWRITE_OPERATOR_PARAM_GET: /* '$' */
map->lm_type = REWRITE_MAP_GET_PARAM;
map->lm_name = strdup( s + 1 );
+ if ( map->lm_name == NULL ) {
+ rc = -1;
+ goto cleanup;
+ }
break;
/*
default:
map->lm_type = REWRITE_MAP_BUILTIN;
map->lm_name = strdup( s );
+ if ( map->lm_name == NULL ) {
+ rc = -1;
+ goto cleanup;
+ }
map->lm_data = rewrite_builtin_map_find( info, s );
if ( map->lm_data == NULL ) {
rc = -1;
( struct rewrite_context * )map->lm_data,
key->bv_val, &val->bv_val );
if ( val->bv_val != NULL ) {
- val->bv_len = strlen( val->bv_val );
+ if ( val->bv_val == key->bv_val ) {
+ val->bv_len = key->bv_len;
+ key->bv_val = NULL;
+ } else {
+ val->bv_len = strlen( val->bv_val );
+ }
}
break;
rc = rewrite_var_set( &op->lo_vars, map->lm_name,
key->bv_val, 1 )
? REWRITE_SUCCESS : REWRITE_ERR;
- if ( map->lm_type == REWRITE_MAP_SET_OP_VAR ) {
- val->bv_val = strdup( "" );
- } else {
- val->bv_val = strdup( key->bv_val );
- val->bv_len = key->bv_len;
+ if ( rc == REWRITE_SUCCESS ) {
+ if ( map->lm_type == REWRITE_MAP_SET_OP_VAR ) {
+ val->bv_val = strdup( "" );
+ } else {
+ val->bv_val = strdup( key->bv_val );
+ val->bv_len = key->bv_len;
+ }
+ if ( val->bv_val == NULL ) {
+ rc = REWRITE_ERR;
+ }
}
break;
} else {
val->bv_val = strdup( var->lv_value.bv_val );
val->bv_len = var->lv_value.bv_len;
+ if ( val->bv_val == NULL ) {
+ rc = REWRITE_ERR;
+ }
}
break;
}
}
rc = rewrite_session_var_set( info, op->lo_cookie,
map->lm_name, key->bv_val );
- if ( map->lm_type == REWRITE_MAP_SET_SESN_VAR ) {
- val->bv_val = strdup( "" );
- } else {
- val->bv_val = strdup( key->bv_val );
- val->bv_len = key->bv_len;
+ if ( rc == REWRITE_SUCCESS ) {
+ if ( map->lm_type == REWRITE_MAP_SET_SESN_VAR ) {
+ val->bv_val = strdup( "" );
+ } else {
+ val->bv_val = strdup( key->bv_val );
+ val->bv_len = key->bv_len;
+ }
+ if ( val->bv_val == NULL ) {
+ rc = REWRITE_ERR;
+ }
}
break;
case REWRITE_MAP_BUILTIN: {
struct rewrite_builtin_map *bmap = map->lm_data;
- switch ( bmap->lb_type ) {
- case REWRITE_BUILTIN_MAP_LDAP:
- rc = map_ldap_apply( bmap, key->bv_val, val );
- break;
- default:
+ if ( bmap->lb_mapper && bmap->lb_mapper->rm_apply )
+ rc = bmap->lb_mapper->rm_apply( bmap->lb_private, key->bv_val,
+ val );
+ else
rc = REWRITE_ERR;
break;
- }
break;
}
{
struct rewrite_builtin_map *map = ( struct rewrite_builtin_map * )tmp;
- assert( map );
-
- switch ( map->lb_type ) {
- case REWRITE_BUILTIN_MAP_LDAP:
- map_ldap_destroy( &map );
- break;
+ assert( map != NULL );
- default:
- assert(0);
- break;
- }
+ if ( map->lb_mapper && map->lb_mapper->rm_destroy )
+ map->lb_mapper->rm_destroy( map->lb_private );
+ free( map->lb_name );
free( map );
}
{
struct rewrite_map *map;
- assert( pmap );
- assert( *pmap );
+ assert( pmap != NULL );
+ assert( *pmap != NULL );
map = *pmap;
return 0;
}
+/* ldapmap.c */
+extern const rewrite_mapper rewrite_ldap_mapper;
+
+const rewrite_mapper *
+rewrite_mapper_find(
+ const char *name
+)
+{
+ int i;
+
+ if ( !strcasecmp( name, "ldap" ))
+ return &rewrite_ldap_mapper;
+
+ for (i=0; i<num_mappers; i++)
+ if ( !strcasecmp( name, mappers[i]->rm_name ))
+ return mappers[i];
+ return NULL;
+}
+
+int
+rewrite_mapper_register(
+ const rewrite_mapper *map
+)
+{
+ if ( num_mappers % MAPPER_ALLOC == 0 ) {
+ const rewrite_mapper **mnew;
+ mnew = realloc( mappers, (num_mappers + MAPPER_ALLOC) *
+ sizeof( rewrite_mapper * ));
+ if ( mnew )
+ mappers = mnew;
+ else
+ return -1;
+ }
+ mappers[num_mappers++] = map;
+ return 0;
+}
+
+int
+rewrite_mapper_unregister(
+ const rewrite_mapper *map
+)
+{
+ int i;
+
+ for (i = 0; i<num_mappers; i++) {
+ if ( mappers[i] == map ) {
+ num_mappers--;
+ mappers[i] = mappers[num_mappers];
+ mappers[num_mappers] = NULL;
+ return 0;
+ }
+ }
+ /* not found */
+ return -1;
+}