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/** @file
The header file of CHAP configuration.
Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _ISCSI_CHAP_H_
#define _ISCSI_CHAP_H_
#define ISCSI_AUTH_METHOD_CHAP "CHAP"
#define ISCSI_KEY_CHAP_ALGORITHM "CHAP_A"
#define ISCSI_KEY_CHAP_IDENTIFIER "CHAP_I"
#define ISCSI_KEY_CHAP_CHALLENGE "CHAP_C"
#define ISCSI_KEY_CHAP_NAME "CHAP_N"
#define ISCSI_KEY_CHAP_RESPONSE "CHAP_R"
#define ISCSI_CHAP_ALGORITHM_MD5 5
#define ISCSI_CHAP_AUTH_MAX_LEN 1024
///
/// MD5_HASHSIZE
///
#define ISCSI_CHAP_RSP_LEN 16
#define ISCSI_CHAP_STEP_ONE 1
#define ISCSI_CHAP_STEP_TWO 2
#define ISCSI_CHAP_STEP_THREE 3
#define ISCSI_CHAP_STEP_FOUR 4
#pragma pack(1)
typedef struct _ISCSI_CHAP_AUTH_CONFIG_NVDATA {
UINT8 CHAPType;
CHAR8 CHAPName[ISCSI_CHAP_NAME_STORAGE];
CHAR8 CHAPSecret[ISCSI_CHAP_SECRET_STORAGE];
CHAR8 ReverseCHAPName[ISCSI_CHAP_NAME_STORAGE];
CHAR8 ReverseCHAPSecret[ISCSI_CHAP_SECRET_STORAGE];
} ISCSI_CHAP_AUTH_CONFIG_NVDATA;
#pragma pack()
///
/// ISCSI CHAP Authentication Data
///
typedef struct _ISCSI_CHAP_AUTH_DATA {
ISCSI_CHAP_AUTH_CONFIG_NVDATA *AuthConfig;
UINT32 InIdentifier;
UINT8 InChallenge[ISCSI_CHAP_AUTH_MAX_LEN];
UINT32 InChallengeLength;
//
// Calculated CHAP Response (CHAP_R) value.
//
UINT8 CHAPResponse[ISCSI_CHAP_RSP_LEN];
//
// Auth-data to be sent out for mutual authentication.
//
UINT32 OutIdentifier;
UINT8 OutChallenge[ISCSI_CHAP_AUTH_MAX_LEN];
UINT32 OutChallengeLength;
} ISCSI_CHAP_AUTH_DATA;
/**
This function checks the received iSCSI Login Response during the security
negotiation stage.
@param[in] Conn The iSCSI connection.
@retval EFI_SUCCESS The Login Response passed the CHAP validation.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
@retval EFI_PROTOCOL_ERROR Some kind of protocol error occurred.
@retval Others Other errors as indicated.
**/
EFI_STATUS
IScsiCHAPOnRspReceived (
IN ISCSI_CONNECTION *Conn
);
/**
This function fills the CHAP authentication information into the login PDU
during the security negotiation stage in the iSCSI connection login.
@param[in] Conn The iSCSI connection.
@param[in, out] Pdu The PDU to send out.
@retval EFI_SUCCESS All check passed and the phase-related CHAP
authentication info is filled into the iSCSI PDU.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
@retval EFI_PROTOCOL_ERROR Some kind of protocol error occurred.
**/
EFI_STATUS
IScsiCHAPToSendReq (
IN ISCSI_CONNECTION *Conn,
IN OUT NET_BUF *Pdu
);
#endif
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