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/*
* Dibbler - a portable DHCPv6
*
* author: Michal Kowalczuk <michal@kowalczuk.eu>
* changes: Tomek Mrugalski <thomson(at)klub(dot)com(dot)pl>
*
* released under GNU GPL v2 only licence
*/
#ifndef OPTAUTHENTICATION_H
#define OPTAUTHENTICATION_H
#include <vector>
#include "DHCPConst.h"
#include "Opt.h"
#include "Portable.h"
class TOptAuthentication : public TOpt
{
public:
const static size_t OPT_AUTH_FIXED_SIZE = 11;
TOptAuthentication(AuthProtocols proto, uint8_t algo, AuthReplay rdm,
TMsg* parent);
TOptAuthentication(char* buf, size_t buflen, TMsg* parent);
AuthProtocols getProto() const;
uint8_t getAlgorithm() const;
AuthReplay getRDM() const;
void setRDM(AuthReplay value);
void setReplayDetection(uint64_t value);
uint64_t getReplayDetection();
size_t getSize();
char * storeSelf(char* buf);
bool doDuties();
void setPayload(const std::vector<uint8_t>& data);
void getPayload(std::vector<uint8_t>& data);
// not real fields, those are used for checksum calculations
/// @todo: remove this
// specific for method 4 (see DHCPConst.h)
uint32_t getSPI() const;
void setAuthInfoLen(uint16_t len);
void setDigestType(DigestTypes type);
inline char* getAuthDataPtr() const { return authDataPtr_; }
void setRealm(const std::string& realm);
private:
AuthProtocols proto_; // protocol
uint8_t algo_; // algorithm
AuthReplay rdm_; // replay detection method
uint64_t replay_;
std::vector<uint8_t> data_; ///< auth data (specific to a given proto)
std::string realm_; ///< auth realm (used in delayed-auth)
char* authDataPtr_;
// specific for AUTH_PROTO_DIBBLER
uint16_t AuthInfoLen_;
};
#endif
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