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/** @file
UEFI 2.2 User Manager Protocol definition.
This protocol manages user profiles.
Copyright (c) 2009, 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_MANAGER_H__
#define __USER_MANAGER_H__
#include <Protocol/UserCredential.h>
///
/// Global ID for the User Manager Protocol
///
#define EFI_USER_MANAGER_PROTOCOL_GUID \
{ \
0x6fd5b00c, 0xd426, 0x4283, { 0x98, 0x87, 0x6c, 0xf5, 0xcf, 0x1c, 0xb1, 0xfe } \
}
#define EFI_EVENT_GROUP_USER_PROFILE_CHANGED \
{ \
0xbaf1e6de, 0x209e, 0x4adb, { 0x8d, 0x96, 0xfd, 0x8b, 0x71, 0xf3, 0xf6, 0x83 } \
}
typedef struct _EFI_USER_MANAGER_PROTOCOL EFI_USER_MANAGER_PROTOCOL;
/**
Create a new user profile.
This function creates a new user profile with only a new user identifier attached and returns its
handle. The user profile is non-volatile, but the handle User can change across reboots.
@param[in] This Points to this instance of the EFI_USER_MANAGER_PROTOCOL.
@param[out] User On return, points to the new user profile handle.
The user profile handle is unique only during this boot.
@retval EFI_SUCCESS User profile was successfully created.
@retval EFI_ACCESS_DENIED Current user does not have sufficient permissions to create a user profile.
@retval EFI_UNSUPPORTED Creation of new user profiles is not supported.
@retval EFI_INVALID_PARAMETER The User parameter is NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_USER_PROFILE_CREATE)(
IN CONST EFI_USER_MANAGER_PROTOCOL *This,
OUT EFI_USER_PROFILE_HANDLE *User
);
/**
Delete an existing user profile.
@param[in] This Points to this instance of the EFI_USER_MANAGER_PROTOCOL.
@param[in] User User profile handle.
@retval EFI_SUCCESS User profile was successfully deleted.
@retval EFI_ACCESS_DENIED Current user does not have sufficient permissions to delete a user
profile or there is only one user profile.
@retval EFI_UNSUPPORTED Deletion of new user profiles is not supported.
@retval EFI_INVALID_PARAMETER User does not refer to a valid user profile.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_USER_PROFILE_DELETE)(
IN CONST EFI_USER_MANAGER_PROTOCOL *This,
IN EFI_USER_PROFILE_HANDLE User
);
/**
Enumerate all of the enrolled users on the platform.
This function returns the next enrolled user profile. To retrieve the first user profile handle, point
User at a NULL. Each subsequent call will retrieve another user profile handle until there are no
more, at which point User will point to NULL.
@param[in] This Points to this instance of the EFI_USER_MANAGER_PROTOCOL.
@param[in,out] User On entry, points to the previous user profile handle or NULL to
start enumeration. On exit, points to the next user profile handle
or NULL if there are no more user profiles.
@retval EFI_SUCCESS Next enrolled user profile successfully returned.
@retval EFI_ACCESS_DENIED Next enrolled user profile was not successfully returned.
@retval EFI_INVALID_PARAMETER The User parameter is NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_USER_PROFILE_GET_NEXT)(
IN CONST EFI_USER_MANAGER_PROTOCOL *This,
IN OUT EFI_USER_PROFILE_HANDLE *User
);
/**
Return the current user profile handle.
@param[in] This Points to this instance of the EFI_USER_MANAGER_PROTOCOL.
@param[out] CurrentUser On return, points to the current user profile handle.
@retval EFI_SUCCESS Current user profile handle returned successfully.
@retval EFI_INVALID_PARAMETER The CurrentUser parameter is NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_USER_PROFILE_CURRENT)(
IN CONST EFI_USER_MANAGER_PROTOCOL *This,
OUT EFI_USER_PROFILE_HANDLE *CurrentUser
);
/**
Identify a user.
Identify the user and, if authenticated, returns the user handle and changes the current user profile.
All user information marked as private in a previously selected profile is no longer available for
inspection.
Whenever the current user profile is changed then the an event with the GUID
EFI_EVENT_GROUP_USER_PROFILE_CHANGED is signaled.
@param[in] This Points to this instance of the EFI_USER_MANAGER_PROTOCOL.
@param[out] User On return, points to the user profile handle for the current user profile.
@retval EFI_SUCCESS User was successfully identified.
@retval EFI_ACCESS_DENIED User was not successfully identified.
@retval EFI_INVALID_PARAMETER The User parameter is NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_USER_PROFILE_IDENTIFY)(
IN CONST EFI_USER_MANAGER_PROTOCOL *This,
OUT EFI_USER_PROFILE_HANDLE *User
);
/**
Find a user using a user information record.
This function searches all user profiles for the specified user information record. The search starts
with the user information record handle following UserInfo and continues until either the
information is found or there are no more user profiles.
A match occurs when the Info.InfoType field matches the user information record type and the
user information record data matches the portion of Info passed the EFI_USER_INFO header.
@param[in] This Points to this instance of the EFI_USER_MANAGER_PROTOCOL.
@param[in,out] User On entry, points to the previously returned user profile handle or NULL to start
searching with the first user profile. On return, points to the user profile handle or
NULL if not found.
@param[in,out] UserInfo On entry, points to the previously returned user information handle or NULL to start
searching with the first. On return, points to the user information handle of the user
information record or NULL if not found. Can be NULL, in which case only one user
information record per user can be returned.
@param[in] Info Points to the buffer containing the user information to be compared to the user
information record. If NULL, then only the user information record type is compared.
If InfoSize is 0, then the user information record must be empty.
@param[in] InfoSize The size of Info, in bytes.
@retval EFI_SUCCESS User information was found. User points to the user profile handle and
UserInfo points to the user information handle.
@retval EFI_NOT_FOUND User information was not found. User points to NULL and UserInfo points to NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_USER_PROFILE_FIND)(
IN CONST EFI_USER_MANAGER_PROTOCOL *This,
IN OUT EFI_USER_PROFILE_HANDLE *User,
IN OUT EFI_USER_INFO_HANDLE *UserInfo OPTIONAL,
IN CONST EFI_USER_INFO *Info,
IN UINTN InfoSize
);
/**
Called by credential provider to notify of information change.
This function allows the credential provider to notify the User Identity Manager when user status has
changed while deselected.
If the User Identity Manager doesn't support asynchronous changes in credentials, then this function
should return EFI_UNSUPPORTED.
If the User Identity Manager supports this, it will call User() to get the user identifier and then
GetNextInfo() and GetInfo() in the User Credential Protocol to get all of the information
from the credential and add it.
@param[in] This Points to this instance of the EFI_USER_MANAGER_PROTOCOL.
@param[in] Changed Handle on which is installed an instance of the
EFI_USER_CREDENTIAL_PROTOCOL where the user has changed.
@retval EFI_SUCCESS The User Identity Manager has handled the notification.
@retval EFI_NOT_READY The function was called while the specified credential provider was not selected.
@retval EFI_UNSUPPORTED The User Identity Manager doesn't support asynchronous notifications.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_USER_PROFILE_NOTIFY)(
IN CONST EFI_USER_MANAGER_PROTOCOL *This,
IN EFI_HANDLE Changed
);
/**
Return information attached to the user.
This function returns user information. The format of the information is described in User
Information. The function may return EFI_ACCESS_DENIED if the information is marked private
and the handle specified by User is not the current user profile. The function may return
EFI_ACCESS_DENIED if the information is marked protected and the information is associated
with a credential provider for which the user has not been authenticated.
@param[in] This Points to this instance of the EFI_USER_MANAGER_PROTOCOL.
@param[in] User Handle of the user whose profile will be retrieved.
@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 number of bytes specified by *InfoSize is too small to hold
the returned data. The actual size required is returned in *InfoSize.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_USER_PROFILE_GET_INFO)(
IN CONST EFI_USER_MANAGER_PROTOCOL *This,
IN EFI_USER_PROFILE_HANDLE User,
IN EFI_USER_INFO_HANDLE UserInfo,
OUT EFI_USER_INFO *Info,
IN OUT UINTN *InfoSize
);
/**
Add or update user information.
This function changes user information. If NULL is pointed to by UserInfo, then a new user
information record is created and its handle is returned in UserInfo. Otherwise, the existing one is
replaced.
If EFI_USER_INFO_EXCLUSIVE is specified in Info and a user information record of the same
type already exists in the user profile, then EFI_ACCESS_DENIED will be returned and
UserInfo will point to the handle of the existing record.
@param[in] This Points to this instance of the EFI_USER_MANAGER_PROTOCOL.
@param[in] User Handle of the user whose profile will be retrieved.
@param[in,out] UserInfo Handle of the user information data record.
@param[in] 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] 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 record is exclusive.
@retval EFI_SECURITY_VIOLATION The current user does not have permission to change the specified
user profile or user information record.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_USER_PROFILE_SET_INFO)(
IN CONST EFI_USER_MANAGER_PROTOCOL *This,
IN EFI_USER_PROFILE_HANDLE User,
IN OUT EFI_USER_INFO_HANDLE *UserInfo,
IN CONST EFI_USER_INFO *Info,
IN UINTN InfoSize
);
/**
Delete user information.
Delete the user information attached to the user profile specified by the UserInfo.
@param[in] This Points to this instance of the EFI_USER_MANAGER_PROTOCOL.
@param[in] User Handle of the user whose information will be deleted.
@param[in] UserInfo Handle of the user information to remove.
@retval EFI_SUCCESS User information deleted successfully.
@retval EFI_NOT_FOUND User information record UserInfo does not exist in the user profile.
@retval EFI_ACCESS_DENIED The current user does not have permission to delete this user information.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_USER_PROFILE_DELETE_INFO)(
IN CONST EFI_USER_MANAGER_PROTOCOL *This,
IN EFI_USER_PROFILE_HANDLE User,
IN EFI_USER_INFO_HANDLE UserInfo
);
/**
Enumerate user information of all 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.
Note: in-consistency between code and the UEFI 2.3 specification that the type of the User parameter
is EFI_USER_PROFILE_HANDLE. It should be spec error and wait for spec update.
@param[in] This Points to this instance of the EFI_USER_MANAGER_PROTOCOL.
@param[in] User Handle of the user whose information will be deleted.
@param[in,out] UserInfo Handle of the user information to remove.
@retval EFI_SUCCESS User information returned.
@retval EFI_NOT_FOUND No more user information found.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_USER_PROFILE_GET_NEXT_INFO)(
IN CONST EFI_USER_MANAGER_PROTOCOL *This,
IN EFI_USER_PROFILE_HANDLE User,
IN OUT EFI_USER_INFO_HANDLE *UserInfo
);
///
/// This protocol provides the services used to manage user profiles.
///
struct _EFI_USER_MANAGER_PROTOCOL {
EFI_USER_PROFILE_CREATE Create;
EFI_USER_PROFILE_DELETE Delete;
EFI_USER_PROFILE_GET_NEXT GetNext;
EFI_USER_PROFILE_CURRENT Current;
EFI_USER_PROFILE_IDENTIFY Identify;
EFI_USER_PROFILE_FIND Find;
EFI_USER_PROFILE_NOTIFY Notify;
EFI_USER_PROFILE_GET_INFO GetInfo;
EFI_USER_PROFILE_SET_INFO SetInfo;
EFI_USER_PROFILE_DELETE_INFO DeleteInfo;
EFI_USER_PROFILE_GET_NEXT_INFO GetNextInfo;
};
extern EFI_GUID gEfiUserManagerProtocolGuid;
extern EFI_GUID gEfiEventUserProfileChangedGuid;
#endif
|
