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- implemented and tested VENDOR ID payload

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This commit is contained in:
Jan Hutter
2005-12-05 14:01:56 +00:00
parent 9bdd74eae7
commit e70c7feb02
13 changed files with 483 additions and 2 deletions
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Source/charon/encoding/generator.c
+5
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@@ -46,6 +46,7 @@
#include <encoding/payloads/certreq_payload.h>
#include <encoding/payloads/ts_payload.h>
#include <encoding/payloads/delete_payload.h>
#include <encoding/payloads/vendor_id_payload.h>
typedef struct private_generator_t private_generator_t;
@@ -742,6 +743,7 @@ static void generate_payload (private_generator_t *this,payload_t *payload)
case CERT_DATA:
case CERTREQ_DATA:
case SPIS:
case VID_DATA:
{
u_int32_t payload_length_position_offset;
u_int16_t length_of_payload;
@@ -774,6 +776,9 @@ static void generate_payload (private_generator_t *this,payload_t *payload)
case SPIS:
header_length = DELETE_PAYLOAD_HEADER_LENGTH;
break;
case VID_DATA:
header_length = VENDOR_ID_PAYLOAD_HEADER_LENGTH;
break;
default:
break;
}
Source/charon/encoding/parser.c
+11
View File
@@ -47,6 +47,7 @@
#include <encoding/payloads/certreq_payload.h>
#include <encoding/payloads/ts_payload.h>
#include <encoding/payloads/delete_payload.h>
#include <encoding/payloads/vendor_id_payload.h>
typedef struct private_parser_t private_parser_t;
@@ -860,6 +861,16 @@ static status_t parse_payload(private_parser_t *this, payload_type_t payload_typ
}
break;
}
case VID_DATA:
{
size_t data_length = payload_length - VENDOR_ID_PAYLOAD_HEADER_LENGTH;
if (this->parse_chunk(this, rule_number, output + rule->offset, data_length) != SUCCESS)
{
pld->destroy(pld);
return PARSE_ERROR;
}
break;
}
case KEY_EXCHANGE_DATA:
{
size_t keydata_length = payload_length - KE_PAYLOAD_HEADER_LENGTH;
Source/charon/encoding/payloads/Makefile.payloads
+3
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@@ -54,6 +54,9 @@ OBJS+= $(BUILD_DIR)delete_payload.o
$(BUILD_DIR)delete_payload.o : $(PAYLOADS_DIR)delete_payload.c $(PAYLOADS_DIR)delete_payload.h
$(CC) $(CFLAGS) -c -o $@ $<
OBJS+= $(BUILD_DIR)vendor_id_payload.o
$(BUILD_DIR)vendor_id_payload.o : $(PAYLOADS_DIR)vendor_id_payload.c $(PAYLOADS_DIR)vendor_id_payload.h
$(CC) $(CFLAGS) -c -o $@ $<
OBJS+= $(BUILD_DIR)ts_payload.o
$(BUILD_DIR)ts_payload.o : $(PAYLOADS_DIR)ts_payload.c $(PAYLOADS_DIR)ts_payload.h
Source/charon/encoding/payloads/encodings.c
+1
View File
@@ -57,5 +57,6 @@ mapping_t encoding_type_m[] = {
{CERT_DATA, "CERT_DATA"},
{CERTREQ_DATA, "CERTREQ_DATA"},
{SPIS, "SPIS"},
{VID_DATA, "VID_DATA"},
{MAPPING_END, NULL}
};
Source/charon/encoding/payloads/encodings.h
+10
View File
@@ -397,6 +397,16 @@ enum encoding_type_t{
* When parsing (Payload Length - 8) bytes are read and written into the chunk pointing to.
*/
SPIS,
/**
* Representating the VID DATA field in a VENDOR ID payload.
*
* When generating the content of the chunkt pointing to
* is written.
*
* When parsing (Payload Length - 4) bytes are read and written into the chunk pointing to.
*/
VID_DATA,
/**
* Representating an IKE_SPI field in an IKEv2 Header.
Source/charon/encoding/payloads/payload.c
+3
View File
@@ -36,6 +36,7 @@
#include <encoding/payloads/encryption_payload.h>
#include <encoding/payloads/ts_payload.h>
#include <encoding/payloads/delete_payload.h>
#include <encoding/payloads/vendor_id_payload.h>
/*
* build the mappings for payload_type_t
@@ -107,6 +108,8 @@ payload_t *payload_create(payload_type_t type)
return (payload_t*)notify_payload_create();
case DELETE:
return (payload_t*)delete_payload_create();
case VENDOR_ID:
return (payload_t*)vendor_id_payload_create();
case ENCRYPTED:
return (payload_t*)encryption_payload_create();
default:
Source/charon/encoding/payloads/vendor_id_payload.c
+234
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@@ -0,0 +1,234 @@
/**
* @file vendor_id_payload.c
*
* @brief Implementation of vendor_id_payload_t.
*
*/
/*
* Copyright (C) 2005 Jan Hutter, Martin Willi
* 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.
*/
#include "vendor_id_payload.h"
#include <utils/allocator.h>
typedef struct private_vendor_id_payload_t private_vendor_id_payload_t;
/**
* Private data of an vendor_id_payload_t object.
*
*/
struct private_vendor_id_payload_t {
/**
* Public vendor_id_payload_t interface.
*/
vendor_id_payload_t public;
/**
* Next payload type.
*/
u_int8_t next_payload;
/**
* Critical flag.
*/
bool critical;
/**
* Length of this payload.
*/
u_int16_t payload_length;
/**
* The contained vendor_id data value.
*/
chunk_t vendor_id_data;
};
/**
* Encoding rules to parse or generate a VENDOR ID payload
*
* The defined offsets are the positions in a object of type
* private_vendor_id_payload_t.
*
*/
encoding_rule_t vendor_id_payload_encodings[] = {
/* 1 Byte next payload type, stored in the field next_payload */
{ U_INT_8, offsetof(private_vendor_id_payload_t, next_payload) },
/* the critical bit */
{ FLAG, offsetof(private_vendor_id_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 },
/* Length of the whole payload*/
{ PAYLOAD_LENGTH, offsetof(private_vendor_id_payload_t, payload_length)},
/* some vendor_id data bytes, length is defined in PAYLOAD_LENGTH */
{ VID_DATA, offsetof(private_vendor_id_payload_t, vendor_id_data) }
};
/*
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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
! Next Payload !C! RESERVED ! Payload Length !
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
! Cert Encoding ! !
+-+-+-+-+-+-+-+-+ !
~ Certificate Data ~
! !
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
/**
* Implementation of payload_t.verify.
*/
static status_t verify(private_vendor_id_payload_t *this)
{
if (this->critical)
{
/* critical bit is set! */
return FAILED;
}
return SUCCESS;
}
/**
* Implementation of vendor_id_payload_t.get_encoding_rules.
*/
static void get_encoding_rules(private_vendor_id_payload_t *this, encoding_rule_t **rules, size_t *rule_count)
{
*rules = vendor_id_payload_encodings;
*rule_count = sizeof(vendor_id_payload_encodings) / sizeof(encoding_rule_t);
}
/**
* Implementation of payload_t.get_type.
*/
static payload_type_t get_payload_type(private_vendor_id_payload_t *this)
{
return VENDOR_ID;
}
/**
* Implementation of payload_t.get_next_type.
*/
static payload_type_t get_next_type(private_vendor_id_payload_t *this)
{
return (this->next_payload);
}
/**
* Implementation of payload_t.set_next_type.
*/
static void set_next_type(private_vendor_id_payload_t *this,payload_type_t type)
{
this->next_payload = type;
}
/**
* Implementation of payload_t.get_length.
*/
static size_t get_length(private_vendor_id_payload_t *this)
{
return this->payload_length;
}
/**
* Implementation of vendor_id_payload_t.set_data.
*/
static void set_data (private_vendor_id_payload_t *this, chunk_t data)
{
if (this->vendor_id_data.ptr != NULL)
{
allocator_free_chunk(&(this->vendor_id_data));
}
this->vendor_id_data.ptr = allocator_clone_bytes(data.ptr,data.len);
this->vendor_id_data.len = data.len;
this->payload_length = VENDOR_ID_PAYLOAD_HEADER_LENGTH + this->vendor_id_data.len;
}
/**
* Implementation of vendor_id_payload_t.get_data.
*/
static chunk_t get_data (private_vendor_id_payload_t *this)
{
return (this->vendor_id_data);
}
/**
* Implementation of vendor_id_payload_t.get_data_clone.
*/
static chunk_t get_data_clone (private_vendor_id_payload_t *this)
{
chunk_t cloned_data;
if (this->vendor_id_data.ptr == NULL)
{
return (this->vendor_id_data);
}
cloned_data.ptr = allocator_clone_bytes(this->vendor_id_data.ptr,this->vendor_id_data.len);
cloned_data.len = this->vendor_id_data.len;
return cloned_data;
}
/**
* Implementation of payload_t.destroy and vendor_id_payload_t.destroy.
*/
static void destroy(private_vendor_id_payload_t *this)
{
if (this->vendor_id_data.ptr != NULL)
{
allocator_free_chunk(&(this->vendor_id_data));
}
allocator_free(this);
}
/*
* Described in header
*/
vendor_id_payload_t *vendor_id_payload_create()
{
private_vendor_id_payload_t *this = allocator_alloc_thing(private_vendor_id_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 (*) (vendor_id_payload_t *)) destroy;
this->public.set_data = (void (*) (vendor_id_payload_t *,chunk_t)) set_data;
this->public.get_data_clone = (chunk_t (*) (vendor_id_payload_t *)) get_data_clone;
this->public.get_data = (chunk_t (*) (vendor_id_payload_t *)) get_data;
/* private variables */
this->critical = FALSE;
this->next_payload = NO_PAYLOAD;
this->payload_length =VENDOR_ID_PAYLOAD_HEADER_LENGTH;
this->vendor_id_data = CHUNK_INITIALIZER;
return (&(this->public));
}
Source/charon/encoding/payloads/vendor_id_payload.h
+101
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@@ -0,0 +1,101 @@
/**
* @file vendor_id_payload.h
*
* @brief Interface of vendor_id_payload_t.
*
*/
/*
* Copyright (C) 2005 Jan Hutter, Martin Willi
* 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.
*/
#ifndef _VENDOR_ID_PAYLOAD_H_
#define _VENDOR_ID_PAYLOAD_H_
#include <types.h>
#include <encoding/payloads/payload.h>
/**
* Length of a VENDOR ID payload without the VID data in bytes.
*
* @ingroup payloads
*/
#define VENDOR_ID_PAYLOAD_HEADER_LENGTH 4
typedef struct vendor_id_payload_t vendor_id_payload_t;
/**
* Object representing an IKEv2 VENDOR ID payload.
*
* The VENDOR ID payload format is described in draft section 3.12.
*
* @ingroup payloads
*
*/
struct vendor_id_payload_t {
/**
* The payload_t interface.
*/
payload_t payload_interface;
/**
* @brief Set the VID data.
*
* Data are getting cloned.
*
* @param this calling vendor_id_payload_t object
* @param data VID data as chunk_t
*/
void (*set_data) (vendor_id_payload_t *this, chunk_t data);
/**
* @brief Get the VID data.
*
* Returned data are a copy of the internal one.
*
* @param this calling vendor_id_payload_t object
* @return VID data as chunk_t
*/
chunk_t (*get_data_clone) (vendor_id_payload_t *this);
/**
* @brief Get the VID data.
*
* Returned data are NOT copied.
*
* @param this calling vendor_id_payload_t object
* @return VID data as chunk_t
*/
chunk_t (*get_data) (vendor_id_payload_t *this);
/**
* @brief Destroys an vendor_id_payload_t object.
*
* @param this vendor_id_payload_t object to destroy
*/
void (*destroy) (vendor_id_payload_t *this);
};
/**
* @brief Creates an empty vendor_id_payload_t object.
*
* @return created vendor_id_payload_t object
*
* @ingroup payloads
*/
vendor_id_payload_t *vendor_id_payload_create();
#endif //_VENDOR_ID_PAYLOAD_H_