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libtins/include/tins/icmpv6.h
Matias Fontanini d84f10cf08 Code cleanup and use same syntax on the entire project
Initial code cleanup

More code cleanup

Cleanup more code

Cleanup Dot11 code

Fix OSX build issue

Cleanup examples

Fix ref and pointer declaration syntax

Fix braces
2016-01-09 10:01:58 -08:00

1472 lines
42 KiB
C++

/*
* Copyright (c) 2014, Matias Fontanini
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef TINS_ICMPV6_H
#define TINS_ICMPV6_H
#include <list>
#include <vector>
#include "macros.h"
#include "pdu.h"
#include "ipv6_address.h"
#include "pdu_option.h"
#include "endianness.h"
#include "small_uint.h"
#include "hw_address.h"
#include "small_uint.h"
#include "icmp_extension.h"
#include "cxxstd.h"
namespace Tins {
namespace Memory {
class InputMemoryStream;
class OutputMemoryStream;
} // memory
/**
* \class ICMPv6
* \brief Represents an ICMPv6 PDU.
*/
class TINS_API ICMPv6 : public PDU {
public:
/**
* \brief This PDU's flag.
*/
static const PDU::PDUType pdu_flag = PDU::ICMPv6;
/**
* The types of ICMPv6 messages
*/
enum Types {
DEST_UNREACHABLE = 1,
PACKET_TOOBIG = 2,
TIME_EXCEEDED = 3,
PARAM_PROBLEM = 4,
ECHO_REQUEST = 128,
ECHO_REPLY = 129,
MGM_QUERY = 130,
MGM_REPORT = 131,
MGM_REDUCTION = 132,
ROUTER_SOLICIT = 133,
ROUTER_ADVERT = 134,
NEIGHBOUR_SOLICIT = 135,
NEIGHBOUR_ADVERT = 136,
REDIRECT = 137,
ROUTER_RENUMBER = 137,
NI_QUERY = 139,
NI_REPLY = 140,
MLD2_REPORT = 143,
DHAAD_REQUEST = 144,
DHAAD_REPLY = 145,
MOBILE_PREFIX_SOL = 146,
MOBILE_PREFIX_ADV = 147
};
/**
* The types of ICMPv6 options.
*/
enum OptionTypes {
SOURCE_ADDRESS = 1,
TARGET_ADDRESS,
PREFIX_INFO,
REDIRECT_HEADER,
MTU,
NBMA_SHORT_LIMIT,
ADVERT_INTERVAL,
HOME_AGENT_INFO,
S_ADDRESS_LIST,
T_ADDRESS_LIST,
CGA,
RSA_SIGN,
TIMESTAMP,
NONCE,
TRUST_ANCHOR,
CERTIFICATE,
IP_PREFIX,
NEW_ROUTER_PREFIX,
LINK_ADDRESS,
NAACK,
MAP = 23,
ROUTE_INFO,
RECURSIVE_DNS_SERV,
RA_FLAGS_EXT,
HANDOVER_KEY_REQ,
HANDOVER_KEY_REPLY,
HANDOVER_ASSIST_INFO,
MOBILE_NODE_ID,
DNS_SEARCH_LIST,
PROXY_SIGNATURE,
ADDRESS_REG,
SIXLOWPAN_CONTEXT,
AUTHORITATIVE_BORDER_ROUTER,
CARD_REQUEST = 138,
CARD_REPLY
};
/**
* The type used to store addresses.
*/
typedef IPv6Address ipaddress_type;
/**
* The type used to store addresses.
*/
typedef HWAddress<6> hwaddress_type;
/**
* The type used to represent ICMPv6 options.
*/
typedef PDUOption<uint8_t, ICMPv6> option;
/**
* The type used to store options.
*/
typedef std::list<option> options_type;
/**
* \brief The type used to store the new home agent information
* option data.
*/
typedef std::vector<uint16_t> new_ha_info_type;
/**
* The type used to store the source/target address list options.
*/
struct addr_list_type {
typedef std::vector<ipaddress_type> addresses_type;
uint8_t reserved[6];
addresses_type addresses;
addr_list_type(const addresses_type& addresses = addresses_type())
: addresses(addresses) {
std::fill(reserved, reserved + sizeof(reserved), 0);
}
static addr_list_type from_option(const option& opt);
};
/**
* The type used to store the nonce option data.
*/
typedef std::vector<uint8_t> nonce_type;
/**
* The type used to store the MTU option.
*/
typedef std::pair<uint16_t, uint32_t> mtu_type;
/**
* \brief The type used to store the neighbour advertisement
* acknowledgement option data.
*/
struct naack_type {
uint8_t code, status;
uint8_t reserved[4];
naack_type(uint8_t code = 0, uint8_t status = 0)
: code(code), status(status) {
std::fill(reserved, reserved + 4, 0);
}
static naack_type from_option(const option& opt);
};
/**
* \brief The type used to store the link layer address option data.
*/
struct lladdr_type {
typedef std::vector<uint8_t> address_type;
uint8_t option_code;
address_type address;
/**
* Constructor taking an option code and an address.
*
* \param option_code The option code.
* \param address The address to be stored.
*/
lladdr_type(uint8_t option_code = 0,
const address_type& address = address_type())
: option_code(option_code), address(address) {
}
/**
* \brief Constructor taking an option code and hwaddress_type.
*
* This is a helper constructor, since it'll be common to use
* hwaddress_type as the link layer address.
*
* \param option_code The option code.
* \param address The address to be stored.
*/
lladdr_type(uint8_t option_code, const hwaddress_type& address)
: option_code(option_code), address(address.begin(), address.end()) {
}
static lladdr_type from_option(const option& opt);
};
/**
* Type type used to store the prefix information option data.
*/
struct prefix_info_type {
uint8_t prefix_len;
small_uint<1> A, L;
uint32_t valid_lifetime,
preferred_lifetime,
reserved2;
ipaddress_type prefix;
prefix_info_type(uint8_t prefix_len = 0,
small_uint<1> A = 0,
small_uint<1> L = 0,
uint32_t valid_lifetime = 0,
uint32_t preferred_lifetime = 0,
const ipaddress_type& prefix = ipaddress_type())
: prefix_len(prefix_len), A(A), L(L), valid_lifetime(valid_lifetime),
preferred_lifetime(preferred_lifetime), prefix(prefix) { }
static prefix_info_type from_option(const option& opt);
};
/**
* The type used to store the RSA signature option.
*/
struct rsa_sign_type {
typedef std::vector<uint8_t> signature_type;
uint8_t key_hash[16];
signature_type signature;
/**
* \brief Constructs a rsa_sign_type object.
*
* The first parameter must be a random access iterator
* which will be used to initialize the key_hash member.
* It is assumed that std::distance(hash, end_of_hash) >= 16.
*
* The second and third arguments indicate the start and end of
* the sequence which will be used to initialize the signature
* member.
*
* \param hash A random access iterator used to initialize the
* key_hash member.
* \param start A forward iterator pointing to the start of the
* sequence which will be used to initialize the signature member.
* \param end A forward iterator pointing to the end of the
* sequence used to initialize signature.
*/
template<typename RAIterator, typename ForwardIterator>
rsa_sign_type(RAIterator hash, ForwardIterator start, ForwardIterator end)
: signature(start, end) {
std::copy(hash, hash + sizeof(key_hash), key_hash);
}
/**
* \brief Constructs a rsa_sign_type object.
*
* The first parameter must be a random access iterator
* which will be used to initialize the key_hash member.
* It is assumed that std::distance(hash, end_of_hash) >= 16.
*
*
* \param hash A random access iterator used to initialize the
* key_hash member.
* \param sign The signature to be set.
*/
template<typename RAIterator>
rsa_sign_type(RAIterator hash, const signature_type& sign)
: signature(sign) {
std::copy(hash, hash + sizeof(key_hash), key_hash);
}
/**
* \brief Default constructs a rsa_sign_type.
*
* The key_hash member will be 0-initialized.
*/
rsa_sign_type() {
std::fill(key_hash, key_hash + sizeof(key_hash), 0);
}
static rsa_sign_type from_option(const option& opt);
};
/**
* The type used to store IP address/preffix option.
*/
struct ip_prefix_type {
uint8_t option_code, prefix_len;
ipaddress_type address;
ip_prefix_type(uint8_t option_code = 0,
uint8_t prefix_len = 0,
const ipaddress_type& address = ipaddress_type())
: option_code(option_code), prefix_len(prefix_len), address(address)
{}
static ip_prefix_type from_option(const option& opt);
};
/**
* The type used to store the map option.
*/
struct map_type {
small_uint<4> dist, pref;
small_uint<1> r;
uint32_t valid_lifetime;
ipaddress_type address;
map_type(small_uint<4> dist = 0,
small_uint<4> pref = 0,
small_uint<1> r = 0,
uint32_t valid_lifetime = 0,
const ipaddress_type& address = ipaddress_type())
: dist(dist), pref(pref), r(r), valid_lifetime(valid_lifetime),
address(address) { }
static map_type from_option(const option& opt);
};
/**
* The type used to store the route information option.
*/
struct route_info_type {
typedef std::vector<uint8_t> prefix_type;
uint8_t prefix_len;
small_uint<2> pref;
uint32_t route_lifetime;
prefix_type prefix;
route_info_type(uint8_t prefix_len = 0,
small_uint<2> pref = 0,
uint32_t route_lifetime = 0,
const prefix_type& prefix = prefix_type())
: prefix_len(prefix_len), pref(pref), route_lifetime(route_lifetime),
prefix(prefix) { }
static route_info_type from_option(const option& opt);
};
/**
* The type used to store the recursive DNS servers option.
*/
struct recursive_dns_type {
typedef std::vector<ipaddress_type> servers_type;
uint32_t lifetime;
servers_type servers;
recursive_dns_type(uint32_t lifetime = 0,
const servers_type& servers = servers_type())
: lifetime(lifetime), servers(servers) {}
static recursive_dns_type from_option(const option& opt);
};
/**
* The type used to store the handover key request option.
*/
struct handover_key_req_type {
typedef std::vector<uint8_t> key_type;
small_uint<4> AT;
key_type key;
handover_key_req_type(small_uint<4> AT = 0,
const key_type& key = key_type())
: AT(AT), key(key) { }
static handover_key_req_type from_option(const option& opt);
};
/**
* The type used to store the handover key reply option.
*/
struct handover_key_reply_type : handover_key_req_type {
uint16_t lifetime;
handover_key_reply_type(uint16_t lifetime = 0,
small_uint<4> AT = 0,
const key_type& key = key_type())
: handover_key_req_type(AT, key), lifetime(lifetime) { }
static handover_key_reply_type from_option(const option& opt);
};
/**
* The type used to store the handover assist information option.
*/
struct handover_assist_info_type {
typedef std::vector<uint8_t> hai_type;
uint8_t option_code;
hai_type hai;
handover_assist_info_type(uint8_t option_code=0,
const hai_type& hai = hai_type())
: option_code(option_code), hai(hai) { }
static handover_assist_info_type from_option(const option& opt);
};
/**
* The type used to store the mobile node identifier option.
*/
struct mobile_node_id_type {
typedef std::vector<uint8_t> mn_type;
uint8_t option_code;
mn_type mn;
mobile_node_id_type(uint8_t option_code=0,
const mn_type& mn = mn_type())
: option_code(option_code), mn(mn) { }
static mobile_node_id_type from_option(const option& opt);
};
/**
* The type used to store the DNS search list option.
*/
struct dns_search_list_type {
typedef std::vector<std::string> domains_type;
uint32_t lifetime;
domains_type domains;
dns_search_list_type(uint32_t lifetime = 0,
const domains_type& domains = domains_type())
: lifetime(lifetime), domains(domains) { }
static dns_search_list_type from_option(const option& opt);
};
/**
* The type used to store the timestamp option.
*/
struct timestamp_type {
uint8_t reserved[6];
uint64_t timestamp;
timestamp_type(uint64_t timestamp = 0)
: timestamp(timestamp) {
std::fill(reserved, reserved + sizeof(reserved), 0);
}
static timestamp_type from_option(const option& opt);
};
/**
* The type used to store the shortcut limit option.
*/
struct shortcut_limit_type {
uint8_t limit, reserved1;
uint32_t reserved2;
shortcut_limit_type(uint8_t limit = 0)
: limit(limit), reserved1(), reserved2() {
}
static shortcut_limit_type from_option(const option& opt);
};
/**
* The type used to store new advertisement interval option.
*/
struct new_advert_interval_type {
uint16_t reserved;
uint32_t interval;
new_advert_interval_type(uint32_t interval = 0)
: reserved(), interval(interval) {
}
static new_advert_interval_type from_option(const option& opt);
};
/**
* The type used to represent a multicast address record
*/
struct multicast_address_record {
typedef std::vector<ipaddress_type> sources_type;
typedef std::vector<uint8_t> aux_data_type;
multicast_address_record(uint8_t type) : type(type) { }
multicast_address_record(const uint8_t* buffer, uint32_t total_sz);
void serialize(uint8_t* buffer, uint32_t total_sz) const;
uint32_t size() const;
uint8_t type;
ipaddress_type multicast_address;
sources_type sources;
aux_data_type aux_data;
};
/*
* The type used to store all multicast address records in a packet
*/
typedef std::list<multicast_address_record> multicast_address_records_list;
/**
* \brief Constructs an ICMPv6 object.
*
* The type of the constructed object will be an echo request, unless
* you provide another one in the tp parameter.
*
* \param tp The message type of this ICMPv6 object.
*/
ICMPv6(Types tp = ECHO_REQUEST);
/**
* \brief Constructs an ICMPv6 object from a buffer.
*
* If there is not enough size for an ICMPv6 header, a
* malformed_packet exception is thrown.
*
* Any extra data is stored in a RawPDU.
*
* \param buffer The buffer from which this PDU will be constructed.
* \param total_sz The total size of the buffer.
*/
ICMPv6(const uint8_t* buffer, uint32_t total_sz);
// Getters
/**
* \brief Getter for the type field.
* \return The stored type field value.
*/
Types type() const {
return static_cast<Types>(header_.type);
}
/**
* \brief Getter for the code field.
* \return The stored code field value.
*/
uint8_t code() const {
return header_.code;
}
/**
* \brief Getter for the cksum field.
* \return The stored cksum field value.
*/
uint16_t checksum() const {
return Endian::be_to_host(header_.cksum);
}
/**
* \brief Getter for the identifier field.
* \return The stored identifier field value.
*/
uint16_t identifier() const {
return Endian::be_to_host(header_.u_echo.identifier);
}
/**
* \brief Getter for the sequence field.
* \return The stored sequence field value.
*/
uint16_t sequence() const {
return Endian::be_to_host(header_.u_echo.sequence);
}
/**
* \brief Getter for the override field.
* \return The stored override field value.
*/
small_uint<1> override() const {
return header_.u_nd_advt.override;
}
/**
* \brief Getter for the solicited field.
* \return The stored solicited field value.
*/
small_uint<1> solicited() const {
return header_.u_nd_advt.solicited;
}
/**
* \brief Getter for the router field.
* \return The stored router field value.
*/
small_uint<1> router() const {
return header_.u_nd_advt.router;
}
/**
* \brief Getter for the hop_limit field.
* \return The stored hop_limit field value.
*/
uint8_t hop_limit() const {
return header_.u_nd_ra.hop_limit;
}
/**
* \brief Getter for the router_pref field.
* \return The stored router_pref field value.
*/
small_uint<2> router_pref() const {
return header_.u_nd_ra.router_pref;
}
/**
* \brief Getter for the home_agent field.
* \return The stored home_agent field value.
*/
small_uint<1> home_agent() const {
return header_.u_nd_ra.home_agent;
}
/**
* \brief Getter for the other field.
* \return The stored other field value.
*/
small_uint<1> other() const {
return header_.u_nd_ra.other;
}
/**
* \brief Getter for the managed field.
* \return The stored managed field value.
*/
small_uint<1> managed() const {
return header_.u_nd_ra.managed;
}
/**
* \brief Getter for the router_lifetime field.
* \return The stored router_lifetime field value.
*/
uint16_t router_lifetime() const {
return Endian::be_to_host(header_.u_nd_ra.router_lifetime);
}
/**
* \brief Getter for the reachable_time field.
* \return The stored reachable_time field value.
*/
uint32_t reachable_time() const {
return Endian::be_to_host(reach_time_);
}
/**
* \brief Getter for the retransmit_timer field.
* \return The stored retransmit_timer field value.
*/
uint32_t retransmit_timer() const {
return Endian::be_to_host(retrans_timer_);
}
/**
* \brief Getter for the target address field.
* \return The stored target address field value.
*/
const ipaddress_type& target_addr() const {
return target_address_;
}
/**
* \brief Getter for the destination address field.
* \return The stored destination address field value.
*/
const ipaddress_type& dest_addr() const {
return dest_address_;
}
/**
* \brief Getter for the ICMPv6 options.
* \return The stored options.
*/
const options_type& options() const {
return options_;
}
/**
* \brief Getter for the length field.
*
* \return Returns the length field value.
*/
uint8_t length() const {
return header_.rfc4884.length;
}
/**
* \brief Getter for the multicast address records field
*/
const multicast_address_records_list& multicast_address_records() const {
return multicast_records_;
}
// Setters
/**
* \brief Setter for the type field.
* \param new_type The new type field value.
*/
void type(Types new_type);
/**
* \brief Setter for the code field.
* \param new_code The new code field value.
*/
void code(uint8_t new_code);
/**
* \brief Setter for the cksum field.
* \param new_cksum The new cksum field value.
*/
void checksum(uint16_t new_cksum);
/**
* \brief Setter for the identifier field.
* \param new_identifier The new identifier field value.
*/
void identifier(uint16_t new_identifier);
/**
* \brief Setter for the sequence field.
* \param new_sequence The new sequence field value.
*/
void sequence(uint16_t new_sequence);
/**
* \brief Setter for the override field.
* \param new_override The new override field value.
*/
void override(small_uint<1> new_override);
/**
* \brief Setter for the solicited field.
* \param new_solicited The new solicited field value.
*/
void solicited(small_uint<1> new_solicited);
/**
* \brief Setter for the router field.
* \param new_router The new router field value.
*/
void router(small_uint<1> new_router);
/**
* \brief Setter for the hop_limit field.
* \param new_hop_limit The new hop_limit field value.
*/
void hop_limit(uint8_t new_hop_limit);
/**
* \brief Setter for the router_pref field.
* \param new_router_pref The new router_pref field value.
*/
void router_pref(small_uint<2> new_router_pref);
/**
* \brief Setter for the home_agent field.
* \param new_home_agent The new home_agent field value.
*/
void home_agent(small_uint<1> new_home_agent);
/**
* \brief Setter for the other field.
* \param new_other The new other field value.
*/
void other(small_uint<1> new_other);
/**
* \brief Setter for the managed field.
* \param new_managed The new managed field value.
*/
void managed(small_uint<1> new_managed);
/**
* \brief Setter for the router_lifetime field.
* \param new_router_lifetime The new router_lifetime field value.
*/
void router_lifetime(uint16_t new_router_lifetime);
/**
* \brief Setter for the target address field.
* \param new_target_addr The new target address field value.
*/
void target_addr(const ipaddress_type& new_target_addr);
/**
* \brief Setter for the destination address field.
* \param new_dest_addr The new destination address field value.
*/
void dest_addr(const ipaddress_type& new_dest_addr);
/**
* \brief Setter for the reachable_time field.
* \param new_reachable_time The new reachable_time field value.
*/
void reachable_time(uint32_t new_reachable_time);
/**
* \brief Setter for the retransmit_timer field.
* \param new_retrans_timer The new retrans_timer field value.
*/
void retransmit_timer(uint32_t new_retrans_timer);
/**
* \brief Setter for the multicast address records field.
*
* This field is only valid if the type of this PDU is MLD2_REPORT
*/
void multicast_address_records(const multicast_address_records_list& records);
/**
* \brief Getter for the PDU's type.
*
* \sa PDU::pdu_type
*/
PDUType pdu_type() const { return pdu_flag; }
/**
* \brief Checks whether this ICMPv6 object has a target_addr field.
*
* This depends on the type field.
*/
bool has_target_addr() const {
return type() == NEIGHBOUR_SOLICIT ||
type() == NEIGHBOUR_ADVERT ||
type() == REDIRECT;
}
/**
* \brief Checks whether this ICMPv6 object has a target_addr field.
*
* This depends on the type field.
*/
bool has_dest_addr() const {
return type() == REDIRECT;
}
/**
* \brief Adds an ICMPv6 option.
*
* The option is added after the last option in the option
* fields.
*
* \param option The option to be added
*/
void add_option(const option& option);
#if TINS_IS_CXX11
/**
* \brief Adds an ICMPv6 option.
*
* The option is move-constructed.
*
* \param option The option to be added.
*/
void add_option(option &&option) {
internal_add_option(option);
options_.push_back(std::move(option));
}
#endif
/**
* \brief Removes an ICMPv6 option.
*
* If there are multiple options of the given type, only the first one
* will be removed.
*
* \param type The type of the option to be removed.
* \return true if the option was removed, false otherwise.
*/
bool remove_option(OptionTypes type);
/**
* \brief Returns the header size.
*
* This metod overrides PDU::header_size. This size includes the
* payload and options size. \sa PDU::header_size
*/
uint32_t header_size() const;
/**
* \brief Returns the trailer size.
*
* This metod overrides PDU::trailer_size. This size will hold the extensions size
*
* \sa PDU::header_size
*/
uint32_t trailer_size() const;
/**
* \brief Getter for the extensions field.
*
* \return The extensions field
*/
const ICMPExtensionsStructure& extensions() const {
return extensions_;
}
/**
* \brief Getter for the extensions field.
*
* \return The extensions field
*/
ICMPExtensionsStructure& extensions() {
return extensions_;
}
/**
* \brief Indicates whether this object contains ICMP extensions
*/
bool has_extensions() const {
return !extensions_.extensions().empty();
}
/**
* \brief Sets whether the length field will be set for packets that use it
*
* As defined in RFC 4884, some ICMP packet types can have a length field. This
* method controlers whether the length field is set or not.
*
* Note that this only indicates that the packet should use this field. The
* actual value will be set during the packet's serialization.
*
* Note that, in order to br RFC compliant, if the size of the encapsulated
* PDU is greater than 128, the length field will always be set, regardless
* of whether this method was called or not.
*
* /param value true iff the length field should be set appropriately
*/
void use_length_field(bool value);
/**
* \brief Check wether ptr points to a valid response for this PDU.
*
* \sa PDU::matches_response
* \param ptr The pointer to the buffer.
* \param total_sz The size of the buffer.
*/
bool matches_response(const uint8_t* ptr, uint32_t total_sz) const;
/**
* \brief Searchs for an option that matchs the given flag.
*
* If the header is not found, a null pointer is returned.
* Deleting the returned pointer will result in <b>undefined
* behaviour</b>.
*
* \param type The option identifier to be searched.
*/
const option* search_option(OptionTypes type) const;
/**
* \sa PDU::clone
*/
ICMPv6* clone() const {
return new ICMPv6(*this);
}
// ****************************************************************
// Option setters
// ****************************************************************
/**
* \brief Setter for the source link layer address option.
*
* \param addr The source link layer address.
*/
void source_link_layer_addr(const hwaddress_type& addr);
/**
* \brief Setter for the target link layer address option.
*
* \param addr The target link layer address.
*/
void target_link_layer_addr(const hwaddress_type& addr);
/**
* \brief Setter for the prefix information option.
*
* \param info The prefix information.
*/
void prefix_info(prefix_info_type info);
/**
* \brief Setter for the redirect header option.
*
* \param data The redirect header option data.
*/
void redirect_header(const byte_array& data);
/**
* \brief Setter for the MTU option.
*
* \param value The MTU option data.
*/
void mtu(const mtu_type& value);
/**
* \brief Setter for the shortcut limit option.
*
* \param value The shortcut limit option data.
*/
void shortcut_limit(const shortcut_limit_type& value);
/**
* \brief Setter for the new advertisement interval option.
*
* \param value The new advertisement interval option data.
*/
void new_advert_interval(const new_advert_interval_type& value);
/**
* \brief Setter for the new home agent information option.
*
* \param value The new home agent information option data.
*/
void new_home_agent_info(const new_ha_info_type& value);
/**
* \brief Setter for the new source address list option.
*
* \param value The new source address list option data.
*/
void source_addr_list(const addr_list_type& value);
/**
* \brief Setter for the new target address list option.
*
* \param value The new target address list option data.
*/
void target_addr_list(const addr_list_type& value);
/**
* \brief Setter for the new RSA signature option.
*
* \param value The new RSA signature option data.
*/
void rsa_signature(const rsa_sign_type& value);
/**
* \brief Setter for the new timestamp option.
*
* \param value The new timestamp option data.
*/
void timestamp(const timestamp_type& value);
/**
* \brief Setter for the new nonce option.
*
* \param value The new nonce option data.
*/
void nonce(const nonce_type& value);
/**
* \brief Setter for the new IP address/prefix option.
*
* \param value The new IP address/prefix option data.
*/
void ip_prefix(const ip_prefix_type& value);
/**
* \brief Setter for the new link layer address option.
*
* \param value The new link layer address option data.
*/
void link_layer_addr(lladdr_type value);
/**
* \brief Setter for the neighbour advertisement acknowledgement option.
*
* \param value The new naack option data.
*/
void naack(const naack_type& value);
/**
* \brief Setter for the map option.
*
* \param value The new map option data.
*/
void map(const map_type& value);
/**
* \brief Setter for the route information option.
*
* \param value The new route information option data.
*/
void route_info(const route_info_type& value);
/**
* \brief Setter for the recursive DNS servers option.
*
* \param value The new recursive DNS servers option data.
*/
void recursive_dns_servers(const recursive_dns_type& value);
/**
* \brief Setter for the handover key request option.
*
* \param value The new handover key request option data.
*/
void handover_key_request(const handover_key_req_type& value);
/**
* \brief Setter for the handover key reply option.
*
* \param value The new handover key reply option data.
*/
void handover_key_reply(const handover_key_reply_type& value);
/**
* \brief Setter for the handover assist info option.
*
* \param value The new handover assist info option data.
*/
void handover_assist_info(const handover_assist_info_type& value);
/**
* \brief Setter for the mobile node identifier option.
*
* \param value The new mobile node identifier option data.
*/
void mobile_node_identifier(const mobile_node_id_type& value);
/**
* \brief Setter for the DNS search list option.
*
* \param value The new DNS search list option data.
*/
void dns_search_list(const dns_search_list_type& value);
// ****************************************************************
// Option getters
// ****************************************************************
/**
* \brief Getter for the source link layer address option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
hwaddress_type source_link_layer_addr() const;
/**
* \brief Getter for the target link layer address option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
hwaddress_type target_link_layer_addr() const;
/**
* \brief Getter for the prefix information option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
prefix_info_type prefix_info() const;
/**
* \brief Getter for the redirect header option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
byte_array redirect_header() const;
/**
* \brief Getter for the MTU option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
mtu_type mtu() const;
/**
* \brief Getter for the shortcut limit option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
shortcut_limit_type shortcut_limit() const;
/**
* \brief Getter for the new advertisement interval option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
new_advert_interval_type new_advert_interval() const;
/**
* \brief Getter for the new home agent information option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
new_ha_info_type new_home_agent_info() const;
/**
* \brief Getter for the source address list option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
addr_list_type source_addr_list() const;
/**
* \brief Getter for the target address list option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
addr_list_type target_addr_list() const;
/**
* \brief Getter for the RSA signature option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
rsa_sign_type rsa_signature() const;
/**
* \brief Getter for the timestamp option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
timestamp_type timestamp() const;
/**
* \brief Getter for the nonce option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
nonce_type nonce() const;
/**
* \brief Getter for the IP address/prefix option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
ip_prefix_type ip_prefix() const;
/**
* \brief Getter for the link layer address option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
lladdr_type link_layer_addr() const;
/**
* \brief Getter for the neighbour advertisement acknowledgement
* option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
naack_type naack() const;
/**
* \brief Getter for the map option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
map_type map() const;
/**
* \brief Getter for the route information option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
route_info_type route_info() const;
/**
* \brief Getter for the recursive dns servers option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
recursive_dns_type recursive_dns_servers() const;
/**
* \brief Getter for the handover key request option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
handover_key_req_type handover_key_request() const;
/**
* \brief Getter for the handover key reply option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
handover_key_reply_type handover_key_reply() const;
/**
* \brief Getter for the handover key reply option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
handover_assist_info_type handover_assist_info() const;
/**
* \brief Getter for the mobile node identifier option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
mobile_node_id_type mobile_node_identifier() const;
/**
* \brief Getter for the mobile node identifier option.
*
* This method will throw an option_not_found exception if the
* option is not found.
*/
dns_search_list_type dns_search_list() const;
private:
TINS_BEGIN_PACK
struct icmp6_header {
uint8_t type;
uint8_t code;
uint16_t cksum;
union {
struct {
uint16_t identifier;
uint16_t sequence;
} u_echo;
struct {
#if TINS_IS_LITTLE_ENDIAN
uint32_t reserved:5,
override:1,
solicited:1,
router:1,
reserved2:24;
#else
uint32_t router:1,
solicited:1,
override:1,
reserved:29;
#endif
} u_nd_advt;
struct {
uint8_t hop_limit;
#if TINS_IS_LITTLE_ENDIAN
uint8_t reserved:3,
router_pref:2,
home_agent:1,
other:1,
managed:1;
#else
uint8_t managed:1,
other:1,
home_agent:1,
router_pref:2,
reserved:3;
#endif
uint16_t router_lifetime;
} u_nd_ra;
struct {
uint8_t length;
uint8_t unused[3];
} rfc4884;
// Multicast Listener Report Message (mld2)
struct {
uint16_t reserved;
uint16_t record_count;
} mlrm2 ;
};
} TINS_END_PACK;
void internal_add_option(const option& option);
void write_serialization(uint8_t* buffer, uint32_t total_sz, const PDU* parent);
bool has_options() const;
void write_option(const option& opt, Memory::OutputMemoryStream& stream);
void parse_options(Memory::InputMemoryStream& stream);
void add_addr_list(uint8_t type, const addr_list_type& value);
addr_list_type search_addr_list(OptionTypes type) const;
options_type::const_iterator search_option_iterator(OptionTypes type) const;
options_type::iterator search_option_iterator(OptionTypes type);
void try_parse_extensions(Memory::InputMemoryStream& stream);
bool are_extensions_allowed() const;
uint32_t get_adjusted_inner_pdu_size() const;
uint8_t get_option_padding(uint32_t data_size);
template<template <typename> class Functor>
const option* safe_search_option(OptionTypes opt, uint32_t size) const {
const option* option = search_option(opt);
if (!option || Functor<uint32_t>()(option->data_size(), size)) {
throw option_not_found();
}
return option;
}
template<typename T>
T search_and_convert(OptionTypes type) const {
const option* opt = search_option(type);
if (!opt) {
throw option_not_found();
}
return opt->to<T>();
}
icmp6_header header_;
ipaddress_type target_address_, dest_address_;
options_type options_;
uint32_t options_size_;
uint32_t reach_time_, retrans_timer_;
multicast_address_records_list multicast_records_;
ICMPExtensionsStructure extensions_;
};
}
#endif // TINS_ICMPV6_H