/* * Copyright (C) 2020, University of the Basque Country (UPV/EHU) * Contact for licensing options: * * The original file was part of Open Source Doubango Framework * Copyright (C) 2010-2011 Mamadou Diop. * Copyright (C) 2012 Doubango Telecom * * This file is part of Open Source Doubango Framework. * * DOUBANGO 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 3 of the License, or * (at your option) any later version. * * DOUBANGO 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. * * You should have received a copy of the GNU General Public License * along with DOUBANGO. * */ /**@file tnet_dhcp6_duid.h * @brief DHCPv6 (RFC 3315) DHCP Unique Identifier (DUID) as defined in subclause 9. * * @author Mamadou Diop * */ #ifndef TNET_DHCP6_duid_H #define TNET_DHCP6_duid_H #include "tinynet_config.h" #include "tnet_hardwares.h" #include "tsk_list.h" #include "tsk_buffer.h" TNET_BEGIN_DECLS #define TNET_DHCP6_DUID(self) ((tnet_dhcp6_duid_t*)(self)) #define TNET_DHCP6_DUID_LLT(self) ((tnet_dhcp6_duid_llt_t*)(self)) #define TNET_DHCP6_DUID_EN(self) ((tnet_dhcp6_duid_en_t*)(self)) #define TNET_DHCP6_DUID_LL(self) ((tnet_dhcp6_duid_ll_t*)(self)) /** List of DHCPv6 DUIDs types as per RFC 3315 subclause 9.1. */ typedef enum tnet_dhcp6_duid_type_e { dhcp6_duid_linklayer_plus_time = 1, /**< Link-layer address plus time. */ dhcp6_duid_Vendor_assigned_id = 2, /**< Vendor-assigned unique ID based on Enterprise Number. */ dhcp6_duid_linklayer = 3, /**< Link-layer address. */ } tnet_dhcp6_duid_type_t; /** DHCP Unique Identifier (DUID) base class (subclause 9). */ typedef struct tnet_dhcp6_duid_s { TSK_DECLARE_OBJECT; tsk_bool_t initialized; tnet_dhcp6_duid_type_t type; /* DUID type. 2-bytes value. */ } tnet_dhcp6_duid_t; typedef tsk_list_t tnet_dhcp6_duids_L_t; #define TNET_DECLARE_DHCP6_DUID tnet_dhcp6_duid_t tnet_dhcp6_duid int tnet_dhcp6_duid_init(tnet_dhcp6_duid_t *self, tnet_dhcp6_duid_type_t type); int tnet_dhcp6_duid_deinit(tnet_dhcp6_duid_t *self); tnet_dhcp6_duid_t* tnet_dhcp6_duid_deserialize(const void* data, tsk_size_t size); int tnet_dhcp6_duid_serialize(const tnet_dhcp6_duid_t* self, tsk_buffer_t *output); /*======================================================================================= * RFC 3315 - 9.2. DUID Based on Link-layer Address Plus Time [DUID-LLT] *=======================================================================================*/ /** DUID Based on Link-layer Address Plus Time [DUID-LLT] */ typedef struct tnet_dhcp6_duid_llt_s { TNET_DECLARE_DHCP6_DUID; /* 0 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | 1 | hardware type (16 bits) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | time (32 bits) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ . . . link-layer address (variable length) . . . +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ /* The hardware type code as maintained by IANA. */ tnet_hardware_type_t htype; /* The time value is the time that the DUID is generated represented in seconds since midnight (UTC), January 1, 2000, modulo 2^32. */ uint32_t time; /* The link-layer address. */ tsk_buffer_t *address; } tnet_dhcp6_duid_llt_t; /*======================================================================================= * RFC 3315 - 9.3. DUID Assigned by Vendor Based on Enterprise Number [DUID-EN] *=======================================================================================*/ /** DUID Assigned by Vendor Based on Enterprise Number [DUID-EN] */ typedef struct tnet_dhcp6_duid_en_s { TNET_DECLARE_DHCP6_DUID; /* 0 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | 2 | enterprise-number | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | enterprise-number (contd) | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | . identifier . . (variable length) . . . +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ /* Tthe vendor's registered Private Enterprise Number as maintained by IANA. For more information: http://www.iana.org/assignments/enterprise-numbers. */ uint32_t en; /* The link-layer address. */ tsk_buffer_t *indentifier; } tnet_dhcp6_duid_en_t; /*======================================================================================= * RFC 3315 - 9.4. DUID Based on Link-layer Address [DUID-LL] *=======================================================================================*/ /** DUID Based on Link-layer Address [DUID-LL] */ typedef struct tnet_dhcp6_duid_ll_s { TNET_DECLARE_DHCP6_DUID; /* 0 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | 3 | hardware type (16 bits) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ . . . link-layer address (variable length) . . . +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ /* The hardware type code as maintained by IANA. */ tnet_hardware_type_t htype; /* The link-layer address. */ tsk_buffer_t *address; } tnet_dhcp6_duid_ll_t; TINYNET_API tnet_dhcp6_duid_llt_t* tnet_dhcp6_duid_llt_create(const void* payload, tsk_size_t payload_size); TINYNET_API tnet_dhcp6_duid_en_t* tnet_dhcp6_duid_en_create(const void* payload, tsk_size_t payload_size); TINYNET_API tnet_dhcp6_duid_ll_t* tnet_dhcp6_duid_ll_create(const void* payload, tsk_size_t payload_size); TINYNET_GEXTERN const tsk_object_def_t *tnet_dhcp6_duid_llt_def_t; TINYNET_GEXTERN const tsk_object_def_t *tnet_dhcp6_duid_en_def_t; TINYNET_GEXTERN const tsk_object_def_t *tnet_dhcp6_duid_ll_def_t; TNET_END_DECLS #endif /* TNET_DHCP6_duid_H */