summaryrefslogtreecommitdiff
path: root/src/charon/encoding/payloads/ike_header.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/charon/encoding/payloads/ike_header.c')
-rw-r--r--src/charon/encoding/payloads/ike_header.c415
1 files changed, 0 insertions, 415 deletions
diff --git a/src/charon/encoding/payloads/ike_header.c b/src/charon/encoding/payloads/ike_header.c
deleted file mode 100644
index 735f01304..000000000
--- a/src/charon/encoding/payloads/ike_header.c
+++ /dev/null
@@ -1,415 +0,0 @@
-/*
- * Copyright (C) 2007 Tobias Brunner
- * 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.
- */
-
-/* offsetof macro */
-#include <stddef.h>
-
-#include "ike_header.h"
-
-#include <encoding/payloads/encodings.h>
-
-
-typedef struct private_ike_header_t private_ike_header_t;
-
-/**
- * Private data of an ike_header_t object.
- */
-struct private_ike_header_t {
- /**
- * Public interface.
- */
- ike_header_t public;
-
- /**
- * SPI of the initiator.
- */
- u_int64_t initiator_spi;
-
- /**
- * SPI of the responder.
- */
- u_int64_t responder_spi;
-
- /**
- * Next payload type.
- */
- u_int8_t next_payload;
- /**
- * IKE major version.
- */
- u_int8_t maj_version;
-
- /**
- * IKE minor version.
- */
- u_int8_t min_version;
-
- /**
- * Exchange type .
- */
- u_int8_t exchange_type;
-
- /**
- * Flags of the Message.
- */
- struct {
- /**
- * Sender is initiator of the associated IKE_SA_INIT-Exchange.
- */
- bool initiator;
-
- /**
- * Is protocol supporting higher version?
- */
- bool version;
-
- /**
- * TRUE, if this is a response, FALSE if its a Request.
- */
- bool response;
- } flags;
-
- /**
- * Associated Message-ID.
- */
- u_int32_t message_id;
-
- /**
- * Length of the whole IKEv2-Message (header and all payloads).
- */
- u_int32_t length;
-};
-
-ENUM_BEGIN(exchange_type_names, EXCHANGE_TYPE_UNDEFINED, EXCHANGE_TYPE_UNDEFINED,
- "EXCHANGE_TYPE_UNDEFINED");
-ENUM_NEXT(exchange_type_names, IKE_SA_INIT, INFORMATIONAL, EXCHANGE_TYPE_UNDEFINED,
- "IKE_SA_INIT",
- "IKE_AUTH",
- "CREATE_CHILD_SA",
- "INFORMATIONAL");
-#ifdef ME
-ENUM_NEXT(exchange_type_names, ME_CONNECT, ME_CONNECT, INFORMATIONAL,
- "ME_CONNECT");
-ENUM_END(exchange_type_names, ME_CONNECT);
-#else
-ENUM_END(exchange_type_names, INFORMATIONAL);
-#endif /* ME */
-
-/**
- * Encoding rules to parse or generate a IKEv2-Header.
- *
- * The defined offsets are the positions in a object of type
- * ike_header_t.
- */
-encoding_rule_t ike_header_encodings[] = {
- /* 8 Byte SPI, stored in the field initiator_spi */
- { IKE_SPI, offsetof(private_ike_header_t, initiator_spi) },
- /* 8 Byte SPI, stored in the field responder_spi */
- { IKE_SPI, offsetof(private_ike_header_t, responder_spi) },
- /* 1 Byte next payload type, stored in the field next_payload */
- { U_INT_8, offsetof(private_ike_header_t, next_payload) },
- /* 4 Bit major version, stored in the field maj_version */
- { U_INT_4, offsetof(private_ike_header_t, maj_version) },
- /* 4 Bit minor version, stored in the field min_version */
- { U_INT_4, offsetof(private_ike_header_t, min_version) },
- /* 8 Bit for the exchange type */
- { U_INT_8, offsetof(private_ike_header_t, exchange_type) },
- /* 2 Bit reserved bits, nowhere stored */
- { RESERVED_BIT, 0 },
- { RESERVED_BIT, 0 },
- /* 3 Bit flags, stored in the fields response, version and initiator */
- { FLAG, offsetof(private_ike_header_t, flags.response) },
- { FLAG, offsetof(private_ike_header_t, flags.version) },
- { FLAG, offsetof(private_ike_header_t, flags.initiator) },
- /* 3 Bit reserved bits, nowhere stored */
- { RESERVED_BIT, 0 },
- { RESERVED_BIT, 0 },
- { RESERVED_BIT, 0 },
- /* 4 Byte message id, stored in the field message_id */
- { U_INT_32, offsetof(private_ike_header_t, message_id) },
- /* 4 Byte length fied, stored in the field length */
- { HEADER_LENGTH, offsetof(private_ike_header_t, length) }
-};
-
-
-/* 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
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- ! IKE_SA Initiator's SPI !
- ! !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- ! IKE_SA Responder's SPI !
- ! !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- ! Next Payload ! MjVer ! MnVer ! Exchange Type ! Flags !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- ! Message ID !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- ! Length !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-*/
-
-
-/**
- * Implementation of payload_t.verify.
- */
-static status_t verify(private_ike_header_t *this)
-{
- if ((this->exchange_type < IKE_SA_INIT) ||
- ((this->exchange_type > INFORMATIONAL)
-#ifdef ME
- && (this->exchange_type != ME_CONNECT)
-#endif /* ME */
- ))
- {
- /* unsupported exchange type */
- return FAILED;
- }
-
- if (this->initiator_spi == 0
-#ifdef ME
- /* we allow zero spi for INFORMATIONAL exchanges,
- * to allow connectivity checks */
- && this->exchange_type != INFORMATIONAL
-#endif /* ME */
- )
- {
- /* initiator spi not set */
- return FAILED;
- }
-
- /* verification of version is not done in here */
-
- return SUCCESS;
-}
-
-/**
- * Implementation of payload_t.set_next_type.
- */
-static void set_next_type(payload_t *this,payload_type_t type)
-{
- ((private_ike_header_t *)this)->next_payload = type;
-}
-/**
- * Implementation of ike_header_t.get_initiator_spi.
- */
-static u_int64_t get_initiator_spi(private_ike_header_t *this)
-{
- return this->initiator_spi;
-}
-
-/**
- * Implementation of ike_header_t.set_initiator_spi.
- */
-static void set_initiator_spi(private_ike_header_t *this, u_int64_t initiator_spi)
-{
- this->initiator_spi = initiator_spi;
-}
-
-/**
- * Implementation of ike_header_t.get_responder_spi.
- */
-static u_int64_t get_responder_spi(private_ike_header_t *this)
-{
- return this->responder_spi;
-}
-
-/**
- * Implementation of ike_header_t.set_responder_spi.
- */
-static void set_responder_spi(private_ike_header_t *this, u_int64_t responder_spi)
-{
- this->responder_spi = responder_spi;
-}
-
-/**
- * Implementation of ike_header_t.get_maj_version.
- */
-static u_int8_t get_maj_version(private_ike_header_t *this)
-{
- return this->maj_version;
-}
-
-/**
- * Implementation of ike_header_t.get_min_version.
- */
-static u_int8_t get_min_version(private_ike_header_t *this)
-{
- return this->min_version;
-}
-
-/**
- * Implementation of ike_header_t.get_response_flag.
- */
-static bool get_response_flag(private_ike_header_t *this)
-{
- return this->flags.response;
-}
-
-/**
- * Implementation of ike_header_t.set_response_flag.
- */
-static void set_response_flag(private_ike_header_t *this, bool response)
-{
- this->flags.response = response;
-}
-
-/**
- * Implementation of ike_header_t.get_version_flag.
- */
-static bool get_version_flag(private_ike_header_t *this)
-{
- return this->flags.version;
-}
-
-/**
- * Implementation of ike_header_t.get_initiator_flag.
- */
-static bool get_initiator_flag(private_ike_header_t *this)
-{
- return this->flags.initiator;
-}
-
-/**
- * Implementation of ike_header_t.set_initiator_flag.
- */
-static void set_initiator_flag(private_ike_header_t *this, bool initiator)
-{
- this->flags.initiator = initiator;
-}
-
-/**
- * Implementation of ike_header_t.get_exchange_type.
- */
-static u_int8_t get_exchange_type(private_ike_header_t *this)
-{
- return this->exchange_type;
-}
-
-/**
- * Implementation of ike_header_t.set_exchange_type.
- */
-static void set_exchange_type(private_ike_header_t *this, u_int8_t exchange_type)
-{
- this->exchange_type = exchange_type;
-}
-
-/**
- * Implements ike_header_t's get_message_id function.
- * See #ike_header_t.get_message_id for description.
- */
-static u_int32_t get_message_id(private_ike_header_t *this)
-{
- return this->message_id;
-}
-
-/**
- * Implementation of ike_header_t.set_message_id.
- */
-static void set_message_id(private_ike_header_t *this, u_int32_t message_id)
-{
- this->message_id = message_id;
-}
-
-/**
- * Implementation of ike_header_t.destroy and payload_t.destroy.
- */
-static void destroy(ike_header_t *this)
-{
- free(this);
-}
-
-/**
- * Implementation of payload_t.get_encoding_rules.
- */
-static void get_encoding_rules(payload_t *this, encoding_rule_t **rules, size_t *rule_count)
-{
- *rules = ike_header_encodings;
- *rule_count = sizeof(ike_header_encodings) / sizeof(encoding_rule_t);
-}
-
-/**
- * Implementation of payload_t.get_type.
- */
-static payload_type_t get_type(payload_t *this)
-{
- return HEADER;
-}
-
-/**
- * Implementation of payload_t.get_next_type.
- */
-static payload_type_t get_next_type(payload_t *this)
-{
- return (((private_ike_header_t*)this)->next_payload);
-}
-
-/**
- * Implementation of payload_t.get_length.
- */
-static size_t get_length(payload_t *this)
-{
- return (((private_ike_header_t*)this)->length);
-}
-
-/*
- * Described in header.
- */
-ike_header_t *ike_header_create()
-{
- private_ike_header_t *this = malloc_thing(private_ike_header_t);
-
- this->public.payload_interface.verify = (status_t (*) (payload_t *))verify;
- this->public.payload_interface.get_encoding_rules = get_encoding_rules;
- this->public.payload_interface.get_length = get_length;
- this->public.payload_interface.get_next_type = get_next_type;
- this->public.payload_interface.set_next_type = set_next_type;
- this->public.payload_interface.get_type = get_type;
- this->public.payload_interface.destroy = (void (*) (payload_t *))destroy;
- this->public.destroy = destroy;
-
- this->public.get_initiator_spi = (u_int64_t (*) (ike_header_t*))get_initiator_spi;
- this->public.set_initiator_spi = (void (*) (ike_header_t*,u_int64_t))set_initiator_spi;
- this->public.get_responder_spi = (u_int64_t (*) (ike_header_t*))get_responder_spi;
- this->public.set_responder_spi = (void (*) (ike_header_t *,u_int64_t))set_responder_spi;
- this->public.get_maj_version = (u_int8_t (*) (ike_header_t*))get_maj_version;
- this->public.get_min_version = (u_int8_t (*) (ike_header_t*))get_min_version;
- this->public.get_response_flag = (bool (*) (ike_header_t*))get_response_flag;
- this->public.set_response_flag = (void (*) (ike_header_t*,bool))set_response_flag;
- this->public.get_version_flag = (bool (*) (ike_header_t*))get_version_flag;
- this->public.get_initiator_flag = (bool (*) (ike_header_t*))get_initiator_flag;
- this->public.set_initiator_flag = (void (*) (ike_header_t*,bool))set_initiator_flag;
- this->public.get_exchange_type = (u_int8_t (*) (ike_header_t*))get_exchange_type;
- this->public.set_exchange_type = (void (*) (ike_header_t*,u_int8_t))set_exchange_type;
- this->public.get_message_id = (u_int32_t (*) (ike_header_t*))get_message_id;
- this->public.set_message_id = (void (*) (ike_header_t*,u_int32_t))set_message_id;
-
- /* set default values of the fields */
- this->initiator_spi = 0;
- this->responder_spi = 0;
- this->next_payload = 0;
- this->maj_version = IKE_MAJOR_VERSION;
- this->min_version = IKE_MINOR_VERSION;
- this->exchange_type = EXCHANGE_TYPE_UNDEFINED;
- this->flags.initiator = TRUE;
- this->flags.version = HIGHER_VERSION_SUPPORTED_FLAG;
- this->flags.response = FALSE;
- this->message_id = 0;
- this->length = IKE_HEADER_LENGTH;
-
- return (ike_header_t*)this;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 23:32:37 +0000