-/******************************************************************************
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright (C) 2000 Pierangelo Masarati, <ando@sys-net.it>
+ * Copyright 2000-2013 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>
return ( strcasecmp( v1->lv_name, v2->lv_name ) == 0 ? -1 : 0 );
}
+/*
+ * Frees a var
+ */
+static void
+rewrite_var_free(
+ void *v_var
+)
+{
+ struct rewrite_var *var = v_var;
+ assert( var != NULL );
+
+ assert( var->lv_name != NULL );
+ assert( var->lv_value.bv_val != NULL );
+
+ if ( var->lv_flags & REWRITE_VAR_COPY_NAME )
+ free( var->lv_name );
+ if ( var->lv_flags & REWRITE_VAR_COPY_VALUE )
+ free( var->lv_value.bv_val );
+ free( var );
+}
+
+/*
+ * Deletes a var tree
+ */
+int
+rewrite_var_delete(
+ Avlnode *tree
+)
+{
+ avl_free( tree, rewrite_var_free );
+ return REWRITE_SUCCESS;
+}
+
/*
* Finds a var
*/
( caddr_t )&var, rewrite_var_cmp );
}
+int
+rewrite_var_replace(
+ struct rewrite_var *var,
+ const char *value,
+ int flags
+)
+{
+ ber_len_t len;
+
+ assert( value != NULL );
+
+ len = strlen( value );
+
+ if ( var->lv_flags & REWRITE_VAR_COPY_VALUE ) {
+ if ( flags & REWRITE_VAR_COPY_VALUE ) {
+ if ( len <= var->lv_value.bv_len ) {
+ AC_MEMCPY(var->lv_value.bv_val, value, len + 1);
+
+ } else {
+ free( var->lv_value.bv_val );
+ var->lv_value.bv_val = strdup( value );
+ }
+
+ } else {
+ free( var->lv_value.bv_val );
+ var->lv_value.bv_val = (char *)value;
+ var->lv_flags &= ~REWRITE_VAR_COPY_VALUE;
+ }
+
+ } else {
+ if ( flags & REWRITE_VAR_COPY_VALUE ) {
+ var->lv_value.bv_val = strdup( value );
+ var->lv_flags |= REWRITE_VAR_COPY_VALUE;
+
+ } else {
+ var->lv_value.bv_val = (char *)value;
+ }
+ }
+
+ if ( var->lv_value.bv_val == NULL ) {
+ return -1;
+ }
+
+ var->lv_value.bv_len = len;
+
+ return 0;
+}
+
/*
* Inserts a newly created var
*/
struct rewrite_var *
-rewrite_var_insert(
+rewrite_var_insert_f(
Avlnode **tree,
const char *name,
- const char *value
+ const char *value,
+ int flags
)
{
struct rewrite_var *var;
- int rc;
+ int rc = 0;
assert( tree != NULL );
assert( name != NULL );
assert( value != NULL );
+ var = rewrite_var_find( *tree, name );
+ if ( var != NULL ) {
+ if ( flags & REWRITE_VAR_UPDATE ) {
+ (void)rewrite_var_replace( var, value, flags );
+ goto cleanup;
+ }
+ rc = -1;
+ goto cleanup;
+ }
+
var = calloc( sizeof( struct rewrite_var ), 1 );
if ( var == NULL ) {
return NULL;
}
+
memset( var, 0, sizeof( struct rewrite_var ) );
- var->lv_name = ( char * )strdup( name );
- if ( var->lv_name == NULL ) {
- rc = -1;
- goto cleanup;
+
+ if ( flags & REWRITE_VAR_COPY_NAME ) {
+ var->lv_name = strdup( name );
+ if ( var->lv_name == NULL ) {
+ rc = -1;
+ goto cleanup;
+ }
+ var->lv_flags |= REWRITE_VAR_COPY_NAME;
+
+ } else {
+ var->lv_name = (char *)name;
}
- var->lv_value.bv_val = strdup( value );
- if ( var->lv_value.bv_val == NULL ) {
- rc = -1;
- goto cleanup;
+
+ if ( flags & REWRITE_VAR_COPY_VALUE ) {
+ var->lv_value.bv_val = strdup( value );
+ if ( var->lv_value.bv_val == NULL ) {
+ rc = -1;
+ goto cleanup;
+ }
+ var->lv_flags |= REWRITE_VAR_COPY_VALUE;
+
+ } else {
+ var->lv_value.bv_val = (char *)value;
}
var->lv_value.bv_len = strlen( value );
rc = avl_insert( tree, ( caddr_t )var,
rewrite_var_cmp, rewrite_var_dup );
- if ( rc != 0 ) {
- rc = -1;
- goto cleanup;
- }
cleanup:;
- if ( rc != 0 ) {
- free( var->lv_name );
- free( var->lv_value.bv_val );
- free( var );
+ if ( rc != 0 && var ) {
+ avl_delete( tree, ( caddr_t )var, rewrite_var_cmp );
+ rewrite_var_free( var );
var = NULL;
}
* Sets/inserts a var
*/
struct rewrite_var *
-rewrite_var_set(
+rewrite_var_set_f(
Avlnode **tree,
const char *name,
const char *value,
- int insert
+ int flags
)
{
struct rewrite_var *var;
var = rewrite_var_find( *tree, name );
if ( var == NULL ) {
- if ( insert ) {
- return rewrite_var_insert( tree, name, value );
+ if ( flags & REWRITE_VAR_INSERT ) {
+ return rewrite_var_insert_f( tree, name, value, flags );
+
} else {
return NULL;
}
+
} else {
assert( var->lv_value.bv_val != NULL );
- free( var->lv_value.bv_val );
- var->lv_value.bv_val = ( char * )value;
- var->lv_value.bv_len = strlen( value );
+ (void)rewrite_var_replace( var, value, flags );
}
return var;
}
-/*
- * Frees a var
- */
-static void
-rewrite_var_free(
- void *v_var
-)
-{
- struct rewrite_var *var = v_var;
- assert( var != NULL );
-
- assert( var->lv_name != NULL );
- assert( var->lv_value.bv_val != NULL );
-
- free( var->lv_name );
- free( var->lv_value.bv_val );
-}
-
-/*
- * Deletes a var tree
- */
-int
-rewrite_var_delete(
- Avlnode *tree
-)
-{
- avl_free( tree, rewrite_var_free );
- return REWRITE_SUCCESS;
-}
-
projects / openldap / blobdiff