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- removed memory allocation checks!!!

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This commit is contained in:
Jan Hutter
2005-11-28 18:24:10 +00:00
parent 297c889cf3
commit 3fe058703f
24 changed files with 722 additions and 1197 deletions
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Source/charon/encoding/payloads/transform_substructure.c
+63 -147
View File
@@ -1,9 +1,7 @@
/**
* @file transform_substructure.h
*
* @brief Declaration of the class transform_substructure_t.
*
* An object of this type represents an IKEv2 TRANSFORM Substructure and contains Attributes.
* @brief Implementation of transform_substructure_t.
*
*/
@@ -37,39 +35,39 @@
typedef struct private_transform_substructure_t private_transform_substructure_t;
/**
* Private data of an transform_substructure_t' Object
* Private data of an transform_substructure_t object.
*
*/
struct private_transform_substructure_t {
/**
* public transform_substructure_t interface
* Public transform_substructure_t interface.
*/
transform_substructure_t public;
/**
* next payload type
* Next payload type.
*/
u_int8_t next_payload;
/**
* Length of this payload
* Length of this payload.
*/
u_int16_t transform_length;
/**
* Type of the transform
* Type of the transform.
*/
u_int8_t transform_type;
/**
* Transform ID
* Transform ID.
*/
u_int16_t transform_id;
/**
* Transforms Attributes are stored in a linked_list_t
* Transforms Attributes are stored in a linked_list_t.
*/
linked_list_t *attributes;
@@ -77,15 +75,13 @@ struct private_transform_substructure_t {
* @brief Computes the length of this substructure.
*
* @param this calling private_transform_substructure_t object
* @return
* SUCCESS in any case
*/
status_t (*compute_length) (private_transform_substructure_t *this);
void (*compute_length) (private_transform_substructure_t *this);
};
/**
* string mappings for transform_type_t
* String mappings for transform_type_t.
*/
mapping_t transform_type_m[] = {
{UNDEFINED_TRANSFORM_TYPE, "UNDEFINED_TRANSFORM_TYPE"},
@@ -99,7 +95,7 @@ mapping_t transform_type_m[] = {
/**
* string mappings for extended_sequence_numbers_t
* String mappings for extended_sequence_numbers_t.
*/
mapping_t extended_sequence_numbers_m[] = {
{NO_EXT_SEQ_NUMBERS, "NO_EXT_SEQ_NUMBERS"},
@@ -108,7 +104,7 @@ mapping_t extended_sequence_numbers_m[] = {
};
/**
* Encoding rules to parse or generate a Transform substructure
* Encoding rules to parse or generate a Transform substructure.
*
* The defined offsets are the positions in a object of type
* private_transform_substructure_t.
@@ -148,8 +144,7 @@ encoding_rule_t transform_substructure_encodings[] = {
/**
* Implements payload_t's verify function.
* See #payload_s.verify for description.
* Implementation of payload_t.verify.
*/
static status_t verify(private_transform_substructure_t *this)
{
@@ -229,20 +224,16 @@ static status_t verify(private_transform_substructure_t *this)
}
/**
* Implements payload_t's get_encoding_rules function.
* See #payload_s.get_encoding_rules for description.
* Implementation of payload_t.get_encoding_rules.
*/
static status_t get_encoding_rules(private_transform_substructure_t *this, encoding_rule_t **rules, size_t *rule_count)
static void get_encoding_rules(private_transform_substructure_t *this, encoding_rule_t **rules, size_t *rule_count)
{
*rules = transform_substructure_encodings;
*rule_count = sizeof(transform_substructure_encodings) / sizeof(encoding_rule_t);
return SUCCESS;
}
/**
* Implements payload_t's get_type function.
* See #payload_s.get_type for description.
* Implementation of payload_t.get_type.
*/
static payload_type_t get_type(private_transform_substructure_t *this)
{
@@ -250,8 +241,7 @@ static payload_type_t get_type(private_transform_substructure_t *this)
}
/**
* Implements payload_t's get_next_type function.
* See #payload_s.get_next_type for description.
* Implementation of payload_t.get_next_type.
*/
static payload_type_t get_next_type(private_transform_substructure_t *this)
{
@@ -259,8 +249,7 @@ static payload_type_t get_next_type(private_transform_substructure_t *this)
}
/**
* Implements payload_t's get_length function.
* See #payload_s.get_length for description.
* Implementation of payload_t.get_length.
*/
static size_t get_length(private_transform_substructure_t *this)
{
@@ -270,39 +259,32 @@ static size_t get_length(private_transform_substructure_t *this)
}
/**
* Implements transform_substructure_t's create_transform_attribute_iterator function.
* See #transform_substructure_s.create_transform_attribute_iterator for description.
* Implementation of transform_substructure_t.create_transform_attribute_iterator.
*/
static status_t create_transform_attribute_iterator (private_transform_substructure_t *this,iterator_t **iterator,bool forward)
static void create_transform_attribute_iterator (private_transform_substructure_t *this,iterator_t **iterator,bool forward)
{
return (this->attributes->create_iterator(this->attributes,iterator,forward));
this->attributes->create_iterator(this->attributes,iterator,forward);
}
/**
* Implements transform_substructure_t's add_transform_attribute function.
* See #transform_substructure_s.add_transform_attribute for description.
* Implementation of transform_substructure_t.add_transform_attribute.
*/
static status_t add_transform_attribute (private_transform_substructure_t *this,transform_attribute_t *attribute)
static void add_transform_attribute (private_transform_substructure_t *this,transform_attribute_t *attribute)
{
status_t status;
status = this->attributes->insert_last(this->attributes,(void *) attribute);
this->attributes->insert_last(this->attributes,(void *) attribute);
this->compute_length(this);
return status;
}
/**
* Implements transform_substructure_t's set_is_last_transform function.
* See #transform_substructure_s.set_is_last_transform for description.
* Implementation of transform_substructure_t.set_is_last_transform.
*/
static status_t set_is_last_transform (private_transform_substructure_t *this, bool is_last)
static void set_is_last_transform (private_transform_substructure_t *this, bool is_last)
{
this->next_payload = (is_last) ? 0: TRANSFORM_TYPE_VALUE;
return SUCCESS;
}
/**
* Implements transform_substructure_t's get_is_last_transform function.
* See #transform_substructure_s.get_is_last_transform for description.
* Implementation of transform_substructure_t.get_is_last_transform.
*/
static bool get_is_last_transform (private_transform_substructure_t *this)
{
@@ -310,27 +292,22 @@ static bool get_is_last_transform (private_transform_substructure_t *this)
}
/**
* Implements payload_t's set_next_type function.
* See #payload_s.set_next_type for description.
* Implementation of payload_t.set_next_type.
*/
static status_t set_next_type(private_transform_substructure_t *this,payload_type_t type)
static void set_next_type(private_transform_substructure_t *this,payload_type_t type)
{
return SUCCESS;
}
/**
* Implements transform_substructure_t's set_transform_type function.
* See #transform_substructure_s.set_transform_type for description.
* Implementation of transform_substructure_t.set_transform_type.
*/
static status_t set_transform_type (private_transform_substructure_t *this,u_int8_t type)
static void set_transform_type (private_transform_substructure_t *this,u_int8_t type)
{
this->transform_type = type;
return SUCCESS;
}
/**
* Implements transform_substructure_t's get_transform_type function.
* See #transform_substructure_s.get_transform_type for description.
* Implementation of transform_substructure_t.get_transform_type.
*/
static u_int8_t get_transform_type (private_transform_substructure_t *this)
{
@@ -338,18 +315,15 @@ static u_int8_t get_transform_type (private_transform_substructure_t *this)
}
/**
* Implements transform_substructure_t's set_transform_id function.
* See #transform_substructure_s.set_transform_id for description.
* Implementation of transform_substructure_t.set_transform_id.
*/
static status_t set_transform_id (private_transform_substructure_t *this,u_int16_t id)
static void set_transform_id (private_transform_substructure_t *this,u_int16_t id)
{
this->transform_id = id;
return SUCCESS;
}
/**
* Implements transform_substructure_t's get_transform_id function.
* See #transform_substructure_s.get_transform_id for description.
* Implementation of transform_substructure_t.get_transform_id.
*/
static u_int16_t get_transform_id (private_transform_substructure_t *this)
{
@@ -357,19 +331,13 @@ static u_int16_t get_transform_id (private_transform_substructure_t *this)
}
/**
* Implements private_transform_substructure_t's compute_length function.
* See #private_transform_substructure_s.compute_length for description.
* Implementation of private_transform_substructure_t.compute_length.
*/
static status_t compute_length (private_transform_substructure_t *this)
static void compute_length (private_transform_substructure_t *this)
{
iterator_t *iterator;
status_t status;
size_t length = TRANSFORM_SUBSTRUCTURE_HEADER_LENGTH;
status = this->attributes->create_iterator(this->attributes,&iterator,TRUE);
if (status != SUCCESS)
{
return length;
}
this->attributes->create_iterator(this->attributes,&iterator,TRUE);
while (iterator->has_next(iterator))
{
payload_t * current_attribute;
@@ -380,18 +348,15 @@ static status_t compute_length (private_transform_substructure_t *this)
this->transform_length = length;
return SUCCESS;
}
/**
* Implements transform_substructure_t's clone function.
* See transform_substructure_s.clone for description.
* Implementation of transform_substructure_t.clone.
*/
static status_t clone(private_transform_substructure_t *this,transform_substructure_t **clone)
static void clone(private_transform_substructure_t *this,transform_substructure_t **clone)
{
private_transform_substructure_t *new_clone;
iterator_t *attributes;
status_t status;
new_clone = (private_transform_substructure_t *) transform_substructure_create();
@@ -399,46 +364,22 @@ static status_t clone(private_transform_substructure_t *this,transform_substruct
new_clone->transform_type = this->transform_type;
new_clone->transform_id = this->transform_id;
status = this->attributes->create_iterator(this->attributes,&attributes,FALSE);
if (status != SUCCESS)
{
new_clone->public.destroy(&(new_clone->public));
return status;
}
this->attributes->create_iterator(this->attributes,&attributes,FALSE);
while (attributes->has_next(attributes))
{
transform_attribute_t *current_attribute;
transform_attribute_t *current_attribute_clone;
status = attributes->current(attributes,(void **) &current_attribute);
if (status != SUCCESS)
{
attributes->destroy(attributes);
new_clone->public.destroy(&(new_clone->public));
return status;
}
status = current_attribute->clone(current_attribute,&current_attribute_clone);
if (status != SUCCESS)
{
attributes->destroy(attributes);
new_clone->public.destroy(&(new_clone->public));
return status;
}
attributes->current(attributes,(void **) &current_attribute);
current_attribute->clone(current_attribute,&current_attribute_clone);
status = new_clone->public.add_transform_attribute(&(new_clone->public),current_attribute_clone);
if (status != SUCCESS)
{
attributes->destroy(attributes);
current_attribute_clone->destroy(current_attribute_clone);
new_clone->public.destroy(&(new_clone->public));
return status;
}
new_clone->public.add_transform_attribute(&(new_clone->public),current_attribute_clone);
}
attributes->destroy(attributes);
*clone = &(new_clone->public);
return SUCCESS;
}
@@ -448,23 +389,14 @@ static status_t clone(private_transform_substructure_t *this,transform_substruct
static status_t get_key_length(private_transform_substructure_t *this, u_int16_t *key_length)
{
iterator_t *attributes;
status_t status;
status = this->attributes->create_iterator(this->attributes,&attributes,TRUE);
if (status != SUCCESS)
{
return status;
}
this->attributes->create_iterator(this->attributes,&attributes,TRUE);
while (attributes->has_next(attributes))
{
transform_attribute_t *current_attribute;
status = attributes->current(attributes,(void **) &current_attribute);
if (status != SUCCESS)
{
attributes->destroy(attributes);
return status;
}
attributes->current(attributes,(void **) &current_attribute);
if (current_attribute->get_attribute_type(current_attribute) == KEY_LENGTH)
{
*key_length = current_attribute->get_value(current_attribute);
@@ -480,26 +412,20 @@ static status_t get_key_length(private_transform_substructure_t *this, u_int16_t
/**
* Implements payload_t's and transform_substructure_t's destroy function.
* See #payload_s.destroy or transform_substructure_s.destroy for description.
* Implementation of transform_substructure_t.destroy and payload_t.destroy.
*/
static status_t destroy(private_transform_substructure_t *this)
static void destroy(private_transform_substructure_t *this)
{
/* all proposals are getting destroyed */
while (this->attributes->get_count(this->attributes) > 0)
{
transform_attribute_t *current_attribute;
if (this->attributes->remove_last(this->attributes,(void **)&current_attribute) != SUCCESS)
{
break;
}
this->attributes->remove_last(this->attributes,(void **)&current_attribute);
current_attribute->destroy(current_attribute);
}
this->attributes->destroy(this->attributes);
allocator_free(this);
return SUCCESS;
}
/*
@@ -508,32 +434,28 @@ static status_t destroy(private_transform_substructure_t *this)
transform_substructure_t *transform_substructure_create()
{
private_transform_substructure_t *this = allocator_alloc_thing(private_transform_substructure_t);
if (this == NULL)
{
return NULL;
}
/* payload interface */
this->public.payload_interface.verify = (status_t (*) (payload_t *))verify;
this->public.payload_interface.get_encoding_rules = (status_t (*) (payload_t *, encoding_rule_t **, size_t *) ) get_encoding_rules;
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 = (status_t (*) (payload_t *,payload_type_t)) set_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 = (status_t (*) (payload_t *))destroy;
this->public.payload_interface.destroy = (void (*) (payload_t *))destroy;
/* public functions */
this->public.create_transform_attribute_iterator = (status_t (*) (transform_substructure_t *,iterator_t **,bool)) create_transform_attribute_iterator;
this->public.add_transform_attribute = (status_t (*) (transform_substructure_t *,transform_attribute_t *)) add_transform_attribute;
this->public.set_is_last_transform = (status_t (*) (transform_substructure_t *,bool)) set_is_last_transform;
this->public.create_transform_attribute_iterator = (void (*) (transform_substructure_t *,iterator_t **,bool)) create_transform_attribute_iterator;
this->public.add_transform_attribute = (void (*) (transform_substructure_t *,transform_attribute_t *)) add_transform_attribute;
this->public.set_is_last_transform = (void (*) (transform_substructure_t *,bool)) set_is_last_transform;
this->public.get_is_last_transform = (bool (*) (transform_substructure_t *)) get_is_last_transform;
this->public.set_transform_type = (status_t (*) (transform_substructure_t *,u_int8_t)) set_transform_type;
this->public.set_transform_type = (void (*) (transform_substructure_t *,u_int8_t)) set_transform_type;
this->public.get_transform_type = (u_int8_t (*) (transform_substructure_t *)) get_transform_type;
this->public.set_transform_id = (status_t (*) (transform_substructure_t *,u_int16_t)) set_transform_id;
this->public.set_transform_id = (void (*) (transform_substructure_t *,u_int16_t)) set_transform_id;
this->public.get_transform_id = (u_int16_t (*) (transform_substructure_t *)) get_transform_id;
this->public.get_key_length = (status_t (*) (transform_substructure_t *,u_int16_t *)) get_key_length;
this->public.clone = (status_t (*) (transform_substructure_t *,transform_substructure_t **)) clone;
this->public.destroy = (status_t (*) (transform_substructure_t *)) destroy;
this->public.clone = (void (*) (transform_substructure_t *,transform_substructure_t **)) clone;
this->public.destroy = (void (*) (transform_substructure_t *)) destroy;
/* private functions */
this->compute_length = compute_length;
@@ -543,13 +465,7 @@ transform_substructure_t *transform_substructure_create()
this->transform_length = TRANSFORM_SUBSTRUCTURE_HEADER_LENGTH;
this->transform_id = 0;
this->transform_type = 0;
this->attributes = linked_list_create();
if (this->attributes == NULL)
{
allocator_free(this);
return NULL;
}
return (&(this->public));
}