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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_attribute.h
+51 -10
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@@ -28,26 +28,66 @@ typedef struct transform_attribute_t transform_attribute_t;
#include <library.h>
#include <encoding/payloads/payload.h>
/**
* Type of the attribute, as in IKEv2 RFC 3.3.5.
* Type of the attribute.
*/
enum transform_attribute_type_t {
ATTRIBUTE_UNDEFINED = 16384,
KEY_LENGTH = 14
/** IKEv1 Phase 1 attributes */
TATTR_PH1_ENCRYPTION_ALGORITHM = 1,
TATTR_PH1_HASH_ALGORITHM = 2,
TATTR_PH1_AUTH_METHOD = 3,
TATTR_PH1_GROUP = 4,
TATTR_PH1_GROUP_TYPE = 5,
TATTR_PH1_GROUP_PRIME = 6,
TATTR_PH1_GROUP_GENONE = 7,
TATTR_PH1_GROUP_GENTWO = 8,
TATTR_PH1_GROUP_CURVE_A = 9,
TATTR_PH1_GROUP_CURVE_B = 10,
TATTR_PH1_LIFE_TYPE = 11,
TATTR_PH1_LIFE_DURATION = 12,
TATTR_PH1_PRF = 13,
TATTR_PH1_KEY_LENGTH = 14,
TATTR_PH1_FIELD_SIZE = 15,
TATTR_PH1_GROUP_ORDER = 16,
/** IKEv1 Phase 2 attributes */
TATTR_PH2_SA_LIFE_TYPE = 1,
TATTR_PH2_SA_LIFE_DURATION = 2,
TATTR_PH2_GROUP = 3,
TATTR_PH2_ENCAP_MODE = 4,
TATTR_PH2_AUTH_ALGORITHM = 5,
TATTR_PH2_KEY_LENGTH = 6,
TATTR_PH2_KEY_ROUNDS = 7,
TATTR_PH2_COMP_DICT_SIZE = 8,
TATTR_PH2_COMP_PRIV_ALGORITHM = 9,
TATTR_PH2_ECN_TUNNEL = 10,
TATTR_PH2_EXT_SEQ_NUMBER = 11,
/* IKEv2 key length attribute */
TATTR_IKEV2_KEY_LENGTH = 14,
/* undefined, private use attribute */
TATTR_UNDEFINED = 16384,
};
/**
* enum name for transform_attribute_type_t.
* Enum names for IKEv1 Phase 1 transform_attribute_type_t.
*/
extern enum_name_t *transform_attribute_type_names;
extern enum_name_t *tattr_ph1_names;
/**
* Class representing an IKEv2- TRANSFORM Attribute.
*
* The TRANSFORM ATTRIBUTE format is described in RFC section 3.3.5.
* Enum names for IKEv1 Phase 2 transform_attribute_type_t.
*/
extern enum_name_t *tattr_ph2_names;
/**
* Enum names for IKEv2 transform_attribute_type_t.
*/
extern enum_name_t *tattr_ikev2_names;
/**
* Class representing an IKEv1/IKEv2 TRANSFORM Attribute.
*/
struct transform_attribute_t {
/**
* The payload_t interface.
*/
@@ -117,9 +157,10 @@ struct transform_attribute_t {
/**
* Creates an empty transform_attribute_t object.
*
* @param type TRANSFORM_ATTRIBUTE or TRANSFORM_ATTRIBUTE_V1
* @return transform_attribute_t object
*/
transform_attribute_t *transform_attribute_create(void);
transform_attribute_t *transform_attribute_create(payload_type_t type);
/**
* Creates an transform_attribute_t of type KEY_LENGTH.