summaryrefslogtreecommitdiff
path: root/src/charon/encoding/payloads/transform_attribute.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/charon/encoding/payloads/transform_attribute.c')
-rw-r--r--src/charon/encoding/payloads/transform_attribute.c325
1 files changed, 0 insertions, 325 deletions
diff --git a/src/charon/encoding/payloads/transform_attribute.c b/src/charon/encoding/payloads/transform_attribute.c
deleted file mode 100644
index 8bf2ddef4..000000000
--- a/src/charon/encoding/payloads/transform_attribute.c
+++ /dev/null
@@ -1,325 +0,0 @@
-/*
- * Copyright (C) 2005-2006 Martin Willi
- * Copyright (C) 2005 Jan Hutter
- * Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- */
-
-#include <string.h>
-#include <stddef.h>
-
-#include "transform_attribute.h"
-
-#include <encoding/payloads/encodings.h>
-#include <library.h>
-
-typedef struct private_transform_attribute_t private_transform_attribute_t;
-
-/**
- * Private data of an transform_attribute_t object.
- *
- */
-struct private_transform_attribute_t {
- /**
- * Public transform_attribute_t interface.
- */
- transform_attribute_t public;
-
- /**
- * Attribute Format Flag.
- *
- * - TRUE means value is stored in attribute_length_or_value
- * - FALSE means value is stored in attribute_value
- */
- bool attribute_format;
-
- /**
- * Type of the attribute.
- */
- u_int16_t attribute_type;
-
- /**
- * Attribute Length if attribute_format is 0, attribute Value otherwise.
- */
- u_int16_t attribute_length_or_value;
-
- /**
- * Attribute value as chunk if attribute_format is 0 (FALSE).
- */
- chunk_t attribute_value;
-};
-
-
-ENUM_BEGIN(transform_attribute_type_name, ATTRIBUTE_UNDEFINED, ATTRIBUTE_UNDEFINED,
- "ATTRIBUTE_UNDEFINED");
-ENUM_NEXT(transform_attribute_type_name, KEY_LENGTH, KEY_LENGTH, ATTRIBUTE_UNDEFINED,
- "KEY_LENGTH");
-ENUM_END(transform_attribute_type_name, KEY_LENGTH);
-
-/**
- * Encoding rules to parse or generate a Transform attribute.
- *
- * The defined offsets are the positions in a object of type
- * private_transform_attribute_t.
- *
- */
-encoding_rule_t transform_attribute_encodings[] = {
- /* Flag defining the format of this payload */
- { ATTRIBUTE_FORMAT, offsetof(private_transform_attribute_t, attribute_format) },
- /* type of the attribute as 15 bit unsigned integer */
- { ATTRIBUTE_TYPE, offsetof(private_transform_attribute_t, attribute_type) },
- /* Length or value, depending on the attribute format flag */
- { ATTRIBUTE_LENGTH_OR_VALUE, offsetof(private_transform_attribute_t, attribute_length_or_value) },
- /* Value of attribute if attribute format flag is zero */
- { ATTRIBUTE_VALUE, offsetof(private_transform_attribute_t, attribute_value) }
-};
-
-/*
- 1 2 3
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- !A! Attribute Type ! AF=0 Attribute Length !
- !F! ! AF=1 Attribute Value !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- ! AF=0 Attribute Value !
- ! AF=1 Not Transmitted !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-*/
-
-/**
- * Implementation of payload_t.verify.
- */
-static status_t verify(private_transform_attribute_t *this)
-{
- if (this->attribute_type != KEY_LENGTH)
- {
- return FAILED;
- }
-
- return SUCCESS;
-}
-
-/**
- * Implementation of payload_t.get_encoding_rules.
- */
-static void get_encoding_rules(private_transform_attribute_t *this, encoding_rule_t **rules, size_t *rule_count)
-{
- *rules = transform_attribute_encodings;
- *rule_count = sizeof(transform_attribute_encodings) / sizeof(encoding_rule_t);
-}
-
-/**
- * Implementation of payload_t.get_type.
- */
-static payload_type_t get_type(private_transform_attribute_t *this)
-{
- return TRANSFORM_ATTRIBUTE;
-}
-
-/**
- * Implementation of payload_t.get_next_type.
- */
-static payload_type_t get_next_type(private_transform_attribute_t *this)
-{
- return (NO_PAYLOAD);
-}
-
-/**
- * Implementation of payload_t.set_next_type.
- */
-static void set_next_type(private_transform_attribute_t *this,payload_type_t type)
-{
-}
-
-/**
- * Implementation of transform_attribute_t.get_length.
- */
-static size_t get_length(private_transform_attribute_t *this)
-{
- if (this->attribute_format == TRUE)
- {
- /*Attribute size is only 4 byte */
- return 4;
- }
- return (this->attribute_length_or_value + 4);
-}
-
-/**
- * Implementation of transform_attribute_t.set_value_chunk.
- */
-static void set_value_chunk(private_transform_attribute_t *this, chunk_t value)
-{
- if (this->attribute_value.ptr != NULL)
- {
- /* free existing value */
- free(this->attribute_value.ptr);
- this->attribute_value.ptr = NULL;
- this->attribute_value.len = 0;
-
- }
-
- if (value.len > 2)
- {
- this->attribute_value.ptr = clalloc(value.ptr,value.len);
- this->attribute_value.len = value.len;
- this->attribute_length_or_value = value.len;
- /* attribute has not a fixed length */
- this->attribute_format = FALSE;
- }
- else
- {
- memcpy(&(this->attribute_length_or_value),value.ptr,value.len);
- }
-}
-
-/**
- * Implementation of transform_attribute_t.set_value.
- */
-static void set_value(private_transform_attribute_t *this, u_int16_t value)
-{
- if (this->attribute_value.ptr != NULL)
- {
- /* free existing value */
- free(this->attribute_value.ptr);
- this->attribute_value.ptr = NULL;
- this->attribute_value.len = 0;
-
- }
- this->attribute_length_or_value = value;
-}
-
-/**
- * Implementation of transform_attribute_t.get_value_chunk.
- */
-static chunk_t get_value_chunk (private_transform_attribute_t *this)
-{
- chunk_t value;
-
- if (this->attribute_format == FALSE)
- {
- value.ptr = this->attribute_value.ptr;
- value.len = this->attribute_value.len;
- }
- else
- {
- value.ptr = (void *) &(this->attribute_length_or_value);
- value.len = 2;
- }
-
- return value;
-}
-
-/**
- * Implementation of transform_attribute_t.get_value.
- */
-static u_int16_t get_value (private_transform_attribute_t *this)
-{
- return this->attribute_length_or_value;
-}
-
-
-/**
- * Implementation of transform_attribute_t.set_attribute_type.
- */
-static void set_attribute_type (private_transform_attribute_t *this, u_int16_t type)
-{
- this->attribute_type = type & 0x7FFF;
-}
-
-/**
- * Implementation of transform_attribute_t.get_attribute_type.
- */
-static u_int16_t get_attribute_type (private_transform_attribute_t *this)
-{
- return this->attribute_type;
-}
-
-/**
- * Implementation of transform_attribute_t.clone.
- */
-static transform_attribute_t * _clone(private_transform_attribute_t *this)
-{
- private_transform_attribute_t *new_clone;
-
- new_clone = (private_transform_attribute_t *) transform_attribute_create();
-
- new_clone->attribute_format = this->attribute_format;
- new_clone->attribute_type = this->attribute_type;
- new_clone->attribute_length_or_value = this->attribute_length_or_value;
-
- if (!new_clone->attribute_format)
- {
- new_clone->attribute_value.ptr = clalloc(this->attribute_value.ptr,this->attribute_value.len);
- new_clone->attribute_value.len = this->attribute_value.len;
- }
-
- return (transform_attribute_t *) new_clone;
-}
-
-/**
- * Implementation of transform_attribute_t.destroy and payload_t.destroy.
- */
-static void destroy(private_transform_attribute_t *this)
-{
- if (this->attribute_value.ptr != NULL)
- {
- free(this->attribute_value.ptr);
- }
- free(this);
-}
-
-/*
- * Described in header.
- */
-transform_attribute_t *transform_attribute_create()
-{
- private_transform_attribute_t *this = malloc_thing(private_transform_attribute_t);
-
- /* payload interface */
- this->public.payload_interface.verify = (status_t (*) (payload_t *))verify;
- this->public.payload_interface.get_encoding_rules = (void (*) (payload_t *, encoding_rule_t **, size_t *) ) get_encoding_rules;
- this->public.payload_interface.get_length = (size_t (*) (payload_t *)) get_length;
- this->public.payload_interface.get_next_type = (payload_type_t (*) (payload_t *)) get_next_type;
- this->public.payload_interface.set_next_type = (void (*) (payload_t *,payload_type_t)) set_next_type;
- this->public.payload_interface.get_type = (payload_type_t (*) (payload_t *)) get_type;
- this->public.payload_interface.destroy = (void (*) (payload_t *))destroy;
-
- /* public functions */
- this->public.set_value_chunk = (void (*) (transform_attribute_t *,chunk_t)) set_value_chunk;
- this->public.set_value = (void (*) (transform_attribute_t *,u_int16_t)) set_value;
- this->public.get_value_chunk = (chunk_t (*) (transform_attribute_t *)) get_value_chunk;
- this->public.get_value = (u_int16_t (*) (transform_attribute_t *)) get_value;
- this->public.set_attribute_type = (void (*) (transform_attribute_t *,u_int16_t type)) set_attribute_type;
- this->public.get_attribute_type = (u_int16_t (*) (transform_attribute_t *)) get_attribute_type;
- this->public.clone = (transform_attribute_t * (*) (transform_attribute_t *)) _clone;
- this->public.destroy = (void (*) (transform_attribute_t *)) destroy;
-
- /* set default values of the fields */
- this->attribute_format = TRUE;
- this->attribute_type = 0;
- this->attribute_length_or_value = 0;
- this->attribute_value.ptr = NULL;
- this->attribute_value.len = 0;
-
- return (&(this->public));
-}
-
-/*
- * Described in header.
- */
-transform_attribute_t *transform_attribute_create_key_length(u_int16_t key_length)
-{
- transform_attribute_t *attribute = transform_attribute_create();
- attribute->set_attribute_type(attribute,KEY_LENGTH);
- attribute->set_value(attribute,key_length);
- return attribute;
-}