Imported Upstream version 4.5.1

1 files changed, 89 insertions, 83 deletions

diff --git a/src/libcharon/encoding/payloads/unknown_payload.c b/src/libcharon/encoding/payloads/unknown_payload.c
index dd5547dc3..27af338b3 100644
--- a/src/libcharon/encoding/payloads/unknown_payload.c
+++ b/src/libcharon/encoding/payloads/unknown_payload.c
@@ -18,8 +18,6 @@
 
 #include "unknown_payload.h"
 
-
-
 typedef struct private_unknown_payload_t private_unknown_payload_t;
 
 /**
@@ -33,6 +31,11 @@ struct private_unknown_payload_t {
 	unknown_payload_t public;
 
 	/**
+	 * Type of this payload
+	 */
+	payload_type_t type;
+
+	/**
 	 * Next payload type.
 	 */
 	u_int8_t next_payload;
@@ -43,6 +46,11 @@ struct private_unknown_payload_t {
 	bool critical;
 
 	/**
+	 * Reserved bits
+	 */
+	bool reserved[7];
+
+	/**
 	 * Length of this payload.
 	 */
 	u_int16_t payload_length;
@@ -62,21 +70,21 @@ struct private_unknown_payload_t {
  */
 encoding_rule_t unknown_payload_encodings[] = {
 	/* 1 Byte next payload type, stored in the field next_payload */
-	{ U_INT_8,			offsetof(private_unknown_payload_t, next_payload)},
+	{ U_INT_8,			offsetof(private_unknown_payload_t, next_payload)	},
 	/* the critical bit */
-	{ FLAG,				offsetof(private_unknown_payload_t, critical) 	},
-	/* 7 Bit reserved bits, nowhere stored */
-	{ RESERVED_BIT,	0 													},
-	{ RESERVED_BIT,	0 													},
-	{ RESERVED_BIT,	0 													},
-	{ RESERVED_BIT,	0 													},
-	{ RESERVED_BIT,	0 													},
-	{ RESERVED_BIT,	0 													},
-	{ RESERVED_BIT,	0 													},
+	{ FLAG,				offsetof(private_unknown_payload_t, critical)		},
+	/* 7 Bit reserved bits */
+	{ RESERVED_BIT,		offsetof(private_unknown_payload_t, reserved[0])	},
+	{ RESERVED_BIT,		offsetof(private_unknown_payload_t, reserved[1])	},
+	{ RESERVED_BIT,		offsetof(private_unknown_payload_t, reserved[2])	},
+	{ RESERVED_BIT,		offsetof(private_unknown_payload_t, reserved[3])	},
+	{ RESERVED_BIT,		offsetof(private_unknown_payload_t, reserved[4])	},
+	{ RESERVED_BIT,		offsetof(private_unknown_payload_t, reserved[5])	},
+	{ RESERVED_BIT,		offsetof(private_unknown_payload_t, reserved[6])	},
 	/* Length of the whole payload*/
-	{ PAYLOAD_LENGTH,	offsetof(private_unknown_payload_t, payload_length)},
+	{ PAYLOAD_LENGTH,	offsetof(private_unknown_payload_t, payload_length)	},
 	/* some unknown data bytes, length is defined in PAYLOAD_LENGTH */
-	{ UNKNOWN_DATA,		offsetof(private_unknown_payload_t, data) 		}
+	{ UNKNOWN_DATA,		offsetof(private_unknown_payload_t, data)			},
 };
 
 /*
@@ -91,111 +99,109 @@ encoding_rule_t unknown_payload_encodings[] = {
        +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */
 
-/**
- * Implementation of payload_t.verify.
- */
-static status_t verify(private_unknown_payload_t *this)
+METHOD(payload_t, verify, status_t,
+	private_unknown_payload_t *this)
 {
-	/* can't do any checks, so we assume its good */
+	if (this->payload_length != UNKNOWN_PAYLOAD_HEADER_LENGTH + this->data.len)
+	{
+		return FAILED;
+	}
 	return SUCCESS;
 }
 
-/**
- * Implementation of payload_t.get_encoding_rules.
- */
-static void get_encoding_rules(private_unknown_payload_t *this, encoding_rule_t **rules, size_t *rule_count)
+METHOD(payload_t, get_encoding_rules, void,
+	private_unknown_payload_t *this, encoding_rule_t **rules, size_t *rule_count)
 {
 	*rules = unknown_payload_encodings;
 	*rule_count = sizeof(unknown_payload_encodings) / sizeof(encoding_rule_t);
 }
 
-/**
- * Implementation of payload_t.get_type.
- */
-static payload_type_t get_payload_type(private_unknown_payload_t *this)
+METHOD(payload_t, get_payload_type, payload_type_t,
+	private_unknown_payload_t *this)
 {
-	return UNKNOWN_PAYLOAD;
+	return this->type;
 }
 
-/**
- * Implementation of payload_t.get_next_type.
- */
-static payload_type_t get_next_type(private_unknown_payload_t *this)
+METHOD(payload_t, get_next_type, payload_type_t,
+	private_unknown_payload_t *this)
 {
-	return (this->next_payload);
+	return this->next_payload;
 }
 
-/**
- * Implementation of payload_t.set_next_type.
- */
-static void set_next_type(private_unknown_payload_t *this,payload_type_t type)
+METHOD(payload_t, set_next_type, void,
+	private_unknown_payload_t *this,payload_type_t type)
 {
 	this->next_payload = type;
 }
 
-/**
- * Implementation of payload_t.get_length.
- */
-static size_t get_length(private_unknown_payload_t *this)
+METHOD(payload_t, get_length, size_t,
+	private_unknown_payload_t *this)
 {
 	return this->payload_length;
 }
 
-/**
- * Implementation of unknown_payload_t.get_data.
- */
-static bool is_critical(private_unknown_payload_t *this)
+METHOD(unknown_payload_t, is_critical, bool,
+	private_unknown_payload_t *this)
 {
 	return this->critical;
 }
 
-/**
- * Implementation of unknown_payload_t.get_data.
- */
-static chunk_t get_data (private_unknown_payload_t *this)
+METHOD(unknown_payload_t, get_data, chunk_t,
+	private_unknown_payload_t *this)
 {
-	return (this->data);
+	return this->data;
 }
 
-/**
- * Implementation of payload_t.destroy and unknown_payload_t.destroy.
- */
-static void destroy(private_unknown_payload_t *this)
+METHOD2(payload_t, unknown_payload_t, destroy, void,
+	private_unknown_payload_t *this)
 {
-	if (this->data.ptr != NULL)
-	{
-		chunk_free(&(this->data));
-	}
-
+	free(this->data.ptr);
 	free(this);
 }
 
 /*
  * Described in header
  */
-unknown_payload_t *unknown_payload_create()
+unknown_payload_t *unknown_payload_create(payload_type_t type)
+{
+	private_unknown_payload_t *this;
+
+	INIT(this,
+		.public = {
+			.payload_interface = {
+				.verify = _verify,
+				.get_encoding_rules = _get_encoding_rules,
+				.get_length = _get_length,
+				.get_next_type = _get_next_type,
+				.set_next_type = _set_next_type,
+				.get_type = _get_payload_type,
+				.destroy = _destroy,
+			},
+			.is_critical = _is_critical,
+			.get_data = _get_data,
+			.destroy = _destroy,
+		},
+		.next_payload = NO_PAYLOAD,
+		.payload_length = UNKNOWN_PAYLOAD_HEADER_LENGTH,
+		.type = type,
+	);
+
+	return &this->public;
+}
+
+
+/*
+ * Described in header
+ */
+unknown_payload_t *unknown_payload_create_data(payload_type_t type,
+											   bool critical, chunk_t data)
 {
-	private_unknown_payload_t *this = malloc_thing(private_unknown_payload_t);
-
-	/* interface functions */
-	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_payload_type;
-	this->public.payload_interface.destroy = (void (*) (payload_t *))destroy;
-
-	/* public functions */
-	this->public.destroy = (void (*) (unknown_payload_t *)) destroy;
-	this->public.is_critical = (bool (*) (unknown_payload_t *)) is_critical;
-	this->public.get_data = (chunk_t (*) (unknown_payload_t *)) get_data;
-
-	/* private variables */
-	this->critical = FALSE;
-	this->next_payload = NO_PAYLOAD;
-	this->payload_length = UNKNOWN_PAYLOAD_HEADER_LENGTH;
-	this->data = chunk_empty;
-
-	return (&(this->public));
+	private_unknown_payload_t *this;
+
+	this = (private_unknown_payload_t*)unknown_payload_create(type);
+	this->data = data;
+	this->critical = critical;
+	this->payload_length = UNKNOWN_PAYLOAD_HEADER_LENGTH + data.len;
+
+	return &this->public;
 }