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