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/** @file
UEFI 2.2 User Credential Protocol definition.
Attached to a device handle, this protocol identifies a single means of identifying the user.
Copyright (c) 2009 - 2010, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __USER_CREDENTIAL_H__
#define __USER_CREDENTIAL_H__
#include <Protocol/UserManager.h>
#define EFI_USER_CREDENTIAL_PROTOCOL_GUID \
{ \
0x71ee5e94, 0x65b9, 0x45d5, { 0x82, 0x1a, 0x3a, 0x4d, 0x86, 0xcf, 0xe6, 0xbe } \
}
typedef struct _EFI_USER_CREDENTIAL_PROTOCOL EFI_USER_CREDENTIAL_PROTOCOL;
/**
Enroll a user on a credential provider.
This function enrolls a user profile using this credential provider. If a user profile is successfully
enrolled, it calls the User Manager Protocol function Notify() to notify the user manager driver
that credential information has changed.
@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.
@param[in] User The user profile to enroll.
@retval EFI_SUCCESS User profile was successfully enrolled.
@retval EFI_ACCESS_DENIED Current user profile does not permit enrollment on the user profile
handle. Either the user profile cannot enroll on any user profile or
cannot enroll on a user profile other than the current user profile.
@retval EFI_UNSUPPORTED This credential provider does not support enrollment in the pre-OS.
@retval EFI_DEVICE_ERROR The new credential could not be created because of a device error.
@retval EFI_INVALID_PARAMETER User does not refer to a valid user profile handle.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_CREDENTIAL_ENROLL)(
IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,
IN EFI_USER_PROFILE_HANDLE User
);
/**
Returns the user interface information used during user identification.
This function returns information about the form used when interacting with the user during user
identification. The form is the first enabled form in the form-set class
EFI_HII_USER_CREDENTIAL_FORMSET_GUID installed on the HII handle HiiHandle. If
the user credential provider does not require a form to identify the user, then this function should
return EFI_NOT_FOUND.
@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.
@param[out] Hii On return, holds the HII database handle.
@param[out] FormSetId On return, holds the identifier of the form set which contains
the form used during user identification.
@param[out] FormId On return, holds the identifier of the form used during user identification.
@retval EFI_SUCCESS Form returned successfully.
@retval EFI_NOT_FOUND Form not returned.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_CREDENTIAL_FORM)(
IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,
OUT EFI_HII_HANDLE *Hii,
OUT EFI_GUID *FormSetId,
OUT EFI_FORM_ID *FormId
);
/**
Returns bitmap used to describe the credential provider type.
This optional function returns a bitmap which is less than or equal to the number of pixels specified
by Width and Height. If no such bitmap exists, then EFI_NOT_FOUND is returned.
@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.
@param[in,out] Width On entry, points to the desired bitmap width. If NULL then no bitmap information will
be returned. On exit, points to the width of the bitmap returned.
@param[in,out] Height On entry, points to the desired bitmap height. If NULL then no bitmap information will
be returned. On exit, points to the height of the bitmap returned
@param[out] Hii On return, holds the HII database handle.
@param[out] Image On return, holds the HII image identifier.
@retval EFI_SUCCESS Image identifier returned successfully.
@retval EFI_NOT_FOUND Image identifier not returned.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_CREDENTIAL_TILE)(
IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,
IN OUT UINTN *Width,
IN OUT UINTN *Height,
OUT EFI_HII_HANDLE *Hii,
OUT EFI_IMAGE_ID *Image
);
/**
Returns string used to describe the credential provider type.
This function returns a string which describes the credential provider. If no such string exists, then
EFI_NOT_FOUND is returned.
@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.
@param[out] Hii On return, holds the HII database handle.
@param[out] String On return, holds the HII string identifier.
@retval EFI_SUCCESS String identifier returned successfully.
@retval EFI_NOT_FOUND String identifier not returned.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_CREDENTIAL_TITLE)(
IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,
OUT EFI_HII_HANDLE *Hii,
OUT EFI_STRING_ID *String
);
/**
Return the user identifier associated with the currently authenticated user.
This function returns the user identifier of the user authenticated by this credential provider. This
function is called after the credential-related information has been submitted on a form OR after a
call to Default() has returned that this credential is ready to log on.
@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.
@param[in] User The user profile handle of the user profile currently being considered by the user
identity manager. If NULL, then no user profile is currently under consideration.
@param[out] Identifier On return, points to the user identifier.
@retval EFI_SUCCESS User identifier returned successfully.
@retval EFI_NOT_READY No user identifier can be returned.
@retval EFI_ACCESS_DENIED The user has been locked out of this user credential.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_CREDENTIAL_USER)(
IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,
IN EFI_USER_PROFILE_HANDLE User,
OUT EFI_USER_INFO_IDENTIFIER *Identifier
);
/**
Indicate that user interface interaction has begun for the specified credential.
This function is called when a credential provider is selected by the user. If AutoLogon returns
FALSE, then the user interface will be constructed by the User Identity Manager.
@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.
@param[out] AutoLogon On return, points to the credential provider's capabilities after the credential provider
has been selected by the user.
@retval EFI_SUCCESS Credential provider successfully selected.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_CREDENTIAL_SELECT)(
IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,
OUT EFI_CREDENTIAL_LOGON_FLAGS *AutoLogon
);
/**
Indicate that user interface interaction has ended for the specified credential.
This function is called when a credential provider is deselected by the user.
@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.
@retval EFI_SUCCESS Credential provider successfully deselected.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_CREDENTIAL_DESELECT)(
IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This
);
/**
Return the default logon behavior for this user credential.
This function reports the default login behavior regarding this credential provider.
@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.
@param[out] AutoLogon On return, holds whether the credential provider should be used by default to
automatically log on the user.
@retval EFI_SUCCESS Default information successfully returned.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_CREDENTIAL_DEFAULT)(
IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,
OUT EFI_CREDENTIAL_LOGON_FLAGS *AutoLogon
);
/**
Return information attached to the credential provider.
This function returns user information.
@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.
@param[in] UserInfo Handle of the user information data record.
@param[out] Info On entry, points to a buffer of at least *InfoSize bytes. On exit, holds the user
information. If the buffer is too small to hold the information, then
EFI_BUFFER_TOO_SMALL is returned and InfoSize is updated to contain the
number of bytes actually required.
@param[in,out] InfoSize On entry, points to the size of Info. On return, points to the size of the user
information.
@retval EFI_SUCCESS Information returned successfully.
@retval EFI_ACCESS_DENIED The information about the specified user cannot be accessed by the
current user.
@retval EFI_BUFFER_TOO_SMALL The size specified by InfoSize is too small to hold all of the user
information. The size required is returned in *InfoSize.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_CREDENTIAL_GET_INFO)(
IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,
IN EFI_USER_INFO_HANDLE UserInfo,
OUT EFI_USER_INFO *Info,
IN OUT UINTN *InfoSize
);
/**
Enumerate all of the enrolled users on the platform.
This function returns the next user information record. To retrieve the first user information record
handle, point UserInfo at a NULL. Each subsequent call will retrieve another user information
record handle until there are no more, at which point UserInfo will point to NULL.
@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.
@param[in,out] UserInfo On entry, points to the previous user information handle or NULL to start
enumeration. On exit, points to the next user information handle or NULL if there is
no more user information.
@retval EFI_SUCCESS User information returned.
@retval EFI_NOT_FOUND No more user information found.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_CREDENTIAL_GET_NEXT_INFO)(
IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,
IN OUT EFI_USER_INFO_HANDLE *UserInfo
);
///
/// This protocol provides support for a single class of credentials
///
struct _EFI_USER_CREDENTIAL_PROTOCOL {
EFI_GUID Identifier; ///< Uniquely identifies this credential provider.
EFI_GUID Type; ///< Identifies this class of User Credential Provider.
EFI_CREDENTIAL_ENROLL Enroll;
EFI_CREDENTIAL_FORM Form;
EFI_CREDENTIAL_TILE Tile;
EFI_CREDENTIAL_TITLE Title;
EFI_CREDENTIAL_USER User;
EFI_CREDENTIAL_SELECT Select;
EFI_CREDENTIAL_DESELECT Deselect;
EFI_CREDENTIAL_DEFAULT Default;
EFI_CREDENTIAL_GET_INFO GetInfo;
EFI_CREDENTIAL_GET_NEXT_INFO GetNextInfo;
EFI_CREDENTIAL_CAPABILITIES Capabilities;
};
extern EFI_GUID gEfiUserCredentialProtocolGuid;
#endif
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