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Implemented limited payload parsing for IKEv1 SA payloads

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This commit is contained in:
Martin Willi
2012-03-20 17:30:40 +01:00
parent 3f6d1b13a7
commit 1bf2971ff2
7 changed files with 557 additions and 176 deletions
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src/libcharon/encoding/payloads/transform_substructure.h
+15 -20
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@@ -45,9 +45,7 @@ typedef struct transform_substructure_t transform_substructure_t;
#define TRANSFORM_SUBSTRUCTURE_HEADER_LENGTH 8
/**
* Class representing an IKEv2- TRANSFORM SUBSTRUCTURE.
*
* The TRANSFORM SUBSTRUCTURE format is described in RFC section 3.3.2.
* Class representing an IKEv1/IKEv2 transform substructure.
*/
struct transform_substructure_t {
@@ -75,11 +73,11 @@ struct transform_substructure_t {
void (*set_is_last_transform) (transform_substructure_t *this, bool is_last);
/**
* get transform type of the current transform.
* Get transform type (IKEv2) or the transform number (IKEv1).
*
* @return Transform type of current transform substructure.
*/
u_int8_t (*get_transform_type) (transform_substructure_t *this);
u_int8_t (*get_transform_type_or_number) (transform_substructure_t *this);
/**
* Get transform id of the current transform.
@@ -89,16 +87,11 @@ struct transform_substructure_t {
u_int16_t (*get_transform_id) (transform_substructure_t *this);
/**
* Get transform id of the current transform.
* Create an enumerator over transform attributes.
*
* @param key_length The key length is written to this location
* @return
* - SUCCESS if a key length attribute is contained
* - FAILED if no key length attribute is part of this
* transform or key length uses more then 16 bit!
* @return enumerator over transform_attribute_t*
*/
status_t (*get_key_length) (transform_substructure_t *this,
u_int16_t *key_length);
enumerator_t* (*create_attribute_enumerator)(transform_substructure_t *this);
/**
* Destroys an transform_substructure_t object.
@@ -109,19 +102,21 @@ struct transform_substructure_t {
/**
* Creates an empty transform_substructure_t object.
*
* @param type TRANSFORM_SUBSTRUCTURE or TRANSFORM_SUBSTRUCTURE_V1
* @return created transform_substructure_t object
*/
transform_substructure_t *transform_substructure_create(void);
transform_substructure_t *transform_substructure_create(payload_type_t type);
/**
* Creates an empty transform_substructure_t object.
*
* @param type type of transform to create
* @param id transform id specifc for the transform type
* @param key_length key length for key length attribute, 0 to omit
* @return transform_substructure_t object
* @param type TRANSFORM_SUBSTRUCTURE or TRANSFORM_SUBSTRUCTURE_V1
* @param type_or_number Type (IKEv2) or number (IKEv1) of transform
* @param id transform id specifc for the transform type
* @param key_length key length for key length attribute, 0 to omit
* @return transform_substructure_t object
*/
transform_substructure_t *transform_substructure_create_type(
transform_type_t type, u_int16_t id, u_int16_t key_length);
transform_substructure_t *transform_substructure_create_type(payload_type_t type,
u_int8_t type_or_number, u_int16_t id, u_int16_t key_length);
#endif /** TRANSFORM_SUBSTRUCTURE_H_ @}*/