[mirror_edk2.git] / SecurityPkg / UserIdentification / PwdCredentialProviderDxe / PwdCredentialProvider.h

/** @file\r
  Password Credential Provider driver header file.\r
    \r
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials \r
are licensed and made available under the terms and conditions of the BSD License \r
which accompanies this distribution.  The full text of the license may be found at \r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#ifndef _PASSWORD_CREDENTIAL_PROVIDER_H_\r
#define _PASSWORD_CREDENTIAL_PROVIDER_H_\r
\r
#include <Uefi.h>\r
\r
#include <Guid/GlobalVariable.h>\r
\r
#include <Protocol/HiiConfigAccess.h>\r
#include <Protocol/UserCredential.h>\r
#include <Protocol/UserManager.h>\r
\r
#include <Library/UefiRuntimeServicesTableLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/DevicePathLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/PrintLib.h>\r
#include <Library/HiiLib.h>\r
#include <Library/BaseCryptLib.h>\r
\r
#include "PwdCredentialProviderData.h"\r
\r
extern UINT8      PwdCredentialProviderStrings[];\r
extern UINT8      PwdCredentialProviderVfrBin[];\r
\r
#define PASSWORD_TABLE_INC  16\r
#define CREDENTIAL_LEN      20\r
\r
//\r
// Password credential information.\r
//\r
typedef struct {\r
  EFI_USER_INFO_IDENTIFIER  UserId;\r
  CHAR8                     Password[CREDENTIAL_LEN];\r
} PASSWORD_INFO;\r
\r
//\r
// Password credential table.\r
//\r
typedef struct {\r
  UINTN         Count;\r
  UINTN         MaxCount;\r
  UINTN         ValidIndex;\r
  PASSWORD_INFO UserInfo[1];\r
} CREDENTIAL_TABLE;\r
\r
//\r
// The user information on the password provider.\r
//\r
typedef struct {\r
  UINTN                         Count;\r
  EFI_USER_INFO                 *Info[1];\r
} PASSWORD_CREDENTIAL_INFO;\r
\r
///\r
/// HII specific Vendor Device Path definition.\r
///\r
typedef struct {\r
  VENDOR_DEVICE_PATH        VendorDevicePath;\r
  EFI_DEVICE_PATH_PROTOCOL  End;\r
} HII_VENDOR_DEVICE_PATH;\r
\r
#define PWD_PROVIDER_SIGNATURE  SIGNATURE_32 ('P', 'W', 'D', 'P')\r
\r
typedef struct {\r
  UINTN                           Signature;\r
  EFI_HANDLE                      DriverHandle;\r
  EFI_HII_HANDLE                  HiiHandle;\r
  //\r
  // Produced protocol.\r
  //\r
  EFI_HII_CONFIG_ACCESS_PROTOCOL  ConfigAccess;\r
} PWD_PROVIDER_CALLBACK_INFO;\r
\r
\r
/**\r
  Enroll a user on a credential provider.\r
\r
  This function enrolls and deletes a user profile using this credential provider. \r
  If a user profile is successfully enrolled, it calls the User Manager Protocol \r
  function Notify() to notify the user manager driver that credential information \r
  has changed. If an enrolled user does exist, delete the user on the credential \r
  provider.\r
\r
  @param[in] This                Points to this instance of EFI_USER_CREDENTIAL_PROTOCOL.\r
  @param[in] User                The user profile to enroll.\r
 \r
  @retval EFI_SUCCESS            User profile was successfully enrolled.\r
  @retval EFI_ACCESS_DENIED      Current user profile does not permit enrollment on the\r
                                 user profile handle. Either the user profile cannot enroll\r
                                 on any user profile or cannot enroll on a user profile \r
                                 other than the current user profile.\r
  @retval EFI_UNSUPPORTED        This credential provider does not support enrollment in\r
                                 the pre-OS.\r
  @retval EFI_DEVICE_ERROR       The new credential could not be created because of a device\r
                                 error.\r
  @retval EFI_INVALID_PARAMETER  User does not refer to a valid user profile handle.\r
  \r
**/\r
EFI_STATUS\r
EFIAPI\r
CredentialEnroll (\r
  IN CONST  EFI_USER_CREDENTIAL_PROTOCOL        *This,\r
  IN        EFI_USER_PROFILE_HANDLE             User\r
  );\r
\r
/**\r
  Returns the user interface information used during user identification.\r
\r
  This function returns information about the form used when interacting with the\r
  user during user identification. The form is the first enabled form in the form-set\r
  class EFI_HII_USER_CREDENTIAL_FORMSET_GUID installed on the HII handle HiiHandle. If \r
  the user credential provider does not require a form to identify the user, then this\r
  function should return EFI_NOT_FOUND.\r
\r
  @param[in]  This       Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
  @param[out] Hii        On return, holds the HII database handle.\r
  @param[out] FormSetId  On return, holds the identifier of the form set which contains\r
                         the form used during user identification.\r
  @param[out] FormId     On return, holds the identifier of the form used during user \r
                         identification.\r
                         \r
  @retval EFI_SUCCESS            Form returned successfully.\r
  @retval EFI_NOT_FOUND          Form not returned.\r
  @retval EFI_INVALID_PARAMETER  Hii is NULL or FormSetId is NULL or FormId is NULL.\r
  \r
**/\r
EFI_STATUS\r
EFIAPI\r
CredentialForm (\r
  IN CONST  EFI_USER_CREDENTIAL_PROTOCOL        *This,\r
  OUT       EFI_HII_HANDLE                      *Hii,\r
  OUT       EFI_GUID                            *FormSetId,\r
  OUT       EFI_FORM_ID                         *FormId\r
  );\r
\r
/**\r
  Returns bitmap used to describe the credential provider type.\r
\r
  This optional function returns a bitmap which is less than or equal to the number\r
  of pixels specified by Width and Height. If no such bitmap exists, then EFI_NOT_FOUND\r
  is returned. \r
\r
  @param[in]      This    Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
  @param[in, out] Width   On entry, points to the desired bitmap width. If NULL then no \r
                          bitmap information will be returned. On exit, points to the \r
                          width of the bitmap returned.\r
  @param[in, out] Height  On entry, points to the desired bitmap height. If NULL then no\r
                          bitmap information will be returned. On exit, points to the \r
                          height of the bitmap returned\r
  @param[out]     Hii     On return, holds the HII database handle. \r
  @param[out]     Image   On return, holds the HII image identifier. \r
 \r
  @retval EFI_SUCCESS            Image identifier returned successfully.\r
  @retval EFI_NOT_FOUND          Image identifier not returned.\r
  @retval EFI_INVALID_PARAMETER  Hii is NULL or Image is NULL.\r
  \r
**/\r
EFI_STATUS\r
EFIAPI\r
CredentialTile (\r
  IN  CONST  EFI_USER_CREDENTIAL_PROTOCOL        *This,\r
  IN  OUT    UINTN                               *Width,\r
  IN  OUT    UINTN                               *Height,\r
      OUT    EFI_HII_HANDLE                      *Hii,\r
      OUT    EFI_IMAGE_ID                        *Image\r
  );\r
\r
/**\r
  Returns string used to describe the credential provider type.\r
\r
  This function returns a string which describes the credential provider. If no\r
  such string exists, then EFI_NOT_FOUND is returned. \r
\r
  @param[in]  This       Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
  @param[out] Hii        On return, holds the HII database handle.\r
  @param[out] String     On return, holds the HII string identifier.\r
 \r
  @retval EFI_SUCCESS            String identifier returned successfully.\r
  @retval EFI_NOT_FOUND          String identifier not returned.\r
  @retval EFI_INVALID_PARAMETER  Hii is NULL or String is NULL.\r
  \r
**/\r
EFI_STATUS\r
EFIAPI\r
CredentialTitle (\r
  IN CONST  EFI_USER_CREDENTIAL_PROTOCOL        *This,\r
  OUT       EFI_HII_HANDLE                      *Hii,\r
  OUT       EFI_STRING_ID                       *String\r
  );\r
\r
/**\r
  Return the user identifier associated with the currently authenticated user.\r
\r
  This function returns the user identifier of the user authenticated by this credential\r
  provider. This function is called after the credential-related information has been \r
  submitted on a form OR after a call to Default() has returned that this credential is\r
  ready to log on.\r
\r
  @param[in]  This           Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
  @param[in]  User           The user profile handle of the user profile currently being \r
                             considered by the user identity manager. If NULL, then no user\r
                             profile is currently under consideration.\r
  @param[out] Identifier     On return, points to the user identifier. \r
 \r
  @retval EFI_SUCCESS            User identifier returned successfully.\r
  @retval EFI_NOT_READY          No user identifier can be returned.\r
  @retval EFI_ACCESS_DENIED      The user has been locked out of this user credential.\r
  @retval EFI_INVALID_PARAMETER  This is NULL, or Identifier is NULL.\r
  @retval EFI_NOT_FOUND          User is not NULL, and the specified user handle can't be\r
                                 found in user profile database\r
  \r
**/\r
EFI_STATUS\r
EFIAPI\r
CredentialUser (\r
  IN CONST  EFI_USER_CREDENTIAL_PROTOCOL        *This,\r
  IN        EFI_USER_PROFILE_HANDLE             User,\r
  OUT       EFI_USER_INFO_IDENTIFIER            *Identifier\r
  );\r
\r
/**\r
  Indicate that user interface interaction has begun for the specified credential.\r
\r
  This function is called when a credential provider is selected by the user. If \r
  AutoLogon returns FALSE, then the user interface will be constructed by the User\r
  Identity Manager. \r
\r
  @param[in]  This       Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
  @param[out] AutoLogon  On return, points to the credential provider's capabilities \r
                         after the credential provider has been selected by the user. \r
 \r
  @retval EFI_SUCCESS            Credential provider successfully selected.\r
  @retval EFI_INVALID_PARAMETER  AutoLogon is NULL.\r
  \r
**/\r
EFI_STATUS\r
EFIAPI\r
CredentialSelect (\r
  IN  CONST  EFI_USER_CREDENTIAL_PROTOCOL    *This,\r
  OUT        EFI_CREDENTIAL_LOGON_FLAGS      *AutoLogon\r
  );\r
\r
/**\r
  Indicate that user interface interaction has ended for the specified credential.\r
\r
  This function is called when a credential provider is deselected by the user.\r
\r
  @param[in] This        Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
 \r
  @retval EFI_SUCCESS    Credential provider successfully deselected.\r
  \r
**/\r
EFI_STATUS\r
EFIAPI\r
CredentialDeselect (\r
  IN CONST  EFI_USER_CREDENTIAL_PROTOCOL        *This\r
  );\r
\r
/**\r
  Return the default logon behavior for this user credential.\r
\r
  This function reports the default login behavior regarding this credential provider.  \r
\r
  @param[in]  This       Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
  @param[out] AutoLogon  On return, holds whether the credential provider should be used\r
                         by default to automatically log on the user.  \r
 \r
  @retval EFI_SUCCESS            Default information successfully returned.\r
  @retval EFI_INVALID_PARAMETER  AutoLogon is NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CredentialDefault (\r
  IN CONST  EFI_USER_CREDENTIAL_PROTOCOL        *This,\r
  OUT       EFI_CREDENTIAL_LOGON_FLAGS          *AutoLogon\r
  );\r
\r
/**\r
  Return information attached to the credential provider.\r
\r
  This function returns user information. \r
\r
  @param[in]      This          Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
  @param[in]      UserInfo      Handle of the user information data record. \r
  @param[out]     Info          On entry, points to a buffer of at least *InfoSize bytes. On\r
                                exit, holds the user information. If the buffer is too small\r
                                to hold the information, then EFI_BUFFER_TOO_SMALL is returned\r
                                and InfoSize is updated to contain the number of bytes actually\r
                                required.\r
  @param[in, out] InfoSize      On entry, points to the size of Info. On return, points to the \r
                                size of the user information. \r
 \r
  @retval EFI_SUCCESS           Information returned successfully.\r
  @retval EFI_BUFFER_TOO_SMALL  The size specified by InfoSize is too small to hold all of the\r
                                user information. The size required is returned in *InfoSize.\r
  @retval EFI_INVALID_PARAMETER Info is NULL or InfoSize is NULL.\r
  @retval EFI_NOT_FOUND         The specified UserInfo does not refer to a valid user info handle. \r
                                \r
**/\r
EFI_STATUS\r
EFIAPI\r
CredentialGetInfo (\r
  IN CONST  EFI_USER_CREDENTIAL_PROTOCOL        *This,\r
  IN        EFI_USER_INFO_HANDLE                UserInfo,\r
  OUT       EFI_USER_INFO                       *Info,\r
  IN OUT    UINTN                               *InfoSize\r
  );\r
\r
\r
/**\r
  Enumerate all of the user informations on the credential provider.\r
\r
  This function returns the next user information record. To retrieve the first user\r
  information record handle, point UserInfo at a NULL. Each subsequent call will retrieve\r
  another user information record handle until there are no more, at which point UserInfo\r
  will point to NULL. \r
\r
  @param[in]      This     Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
  @param[in, out] UserInfo On entry, points to the previous user information handle or NULL\r
                           to start enumeration. On exit, points to the next user information\r
                           handle or NULL if there is no more user information.\r
 \r
  @retval EFI_SUCCESS            User information returned.\r
  @retval EFI_NOT_FOUND          No more user information found.\r
  @retval EFI_INVALID_PARAMETER  UserInfo is NULL.\r
  \r
**/\r
EFI_STATUS\r
EFIAPI\r
CredentialGetNextInfo (\r
  IN CONST  EFI_USER_CREDENTIAL_PROTOCOL        *This,\r
  IN OUT    EFI_USER_INFO_HANDLE                *UserInfo\r
  );\r
\r
#endif\r
Commit	Line	Data
	1	/** @file\r
	2	Password Credential Provider driver header file.\r
	3	\r
	4	Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r
	5	This program and the accompanying materials \r
	6	are licensed and made available under the terms and conditions of the BSD License \r
	7	which accompanies this distribution. The full text of the license may be found at \r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
	13	**/\r
	14	\r
	15	#ifndef _PASSWORD_CREDENTIAL_PROVIDER_H_\r
	16	#define _PASSWORD_CREDENTIAL_PROVIDER_H_\r
	17	\r
	18	#include <Uefi.h>\r
	19	\r
	20	#include <Guid/GlobalVariable.h>\r
	21	\r
	22	#include <Protocol/HiiConfigAccess.h>\r
	23	#include <Protocol/UserCredential.h>\r
	24	#include <Protocol/UserManager.h>\r
	25	\r
	26	#include <Library/UefiRuntimeServicesTableLib.h>\r
	27	#include <Library/UefiBootServicesTableLib.h>\r
	28	#include <Library/MemoryAllocationLib.h>\r
	29	#include <Library/BaseMemoryLib.h>\r
	30	#include <Library/DevicePathLib.h>\r
	31	#include <Library/DebugLib.h>\r
	32	#include <Library/UefiLib.h>\r
	33	#include <Library/PrintLib.h>\r
	34	#include <Library/HiiLib.h>\r
	35	#include <Library/BaseCryptLib.h>\r
	36	\r
	37	#include "PwdCredentialProviderData.h"\r
	38	\r
	39	extern UINT8 PwdCredentialProviderStrings[];\r
	40	extern UINT8 PwdCredentialProviderVfrBin[];\r
	41	\r
	42	#define PASSWORD_TABLE_INC 16\r
	43	#define CREDENTIAL_LEN 20\r
	44	\r
	45	//\r
	46	// Password credential information.\r
	47	//\r
	48	typedef struct {\r
	49	EFI_USER_INFO_IDENTIFIER UserId;\r
	50	CHAR8 Password[CREDENTIAL_LEN];\r
	51	} PASSWORD_INFO;\r
	52	\r
	53	//\r
	54	// Password credential table.\r
	55	//\r
	56	typedef struct {\r
	57	UINTN Count;\r
	58	UINTN MaxCount;\r
	59	UINTN ValidIndex;\r
	60	PASSWORD_INFO UserInfo[1];\r
	61	} CREDENTIAL_TABLE;\r
	62	\r
	63	//\r
	64	// The user information on the password provider.\r
	65	//\r
	66	typedef struct {\r
	67	UINTN Count;\r
	68	EFI_USER_INFO *Info[1];\r
	69	} PASSWORD_CREDENTIAL_INFO;\r
	70	\r
	71	///\r
	72	/// HII specific Vendor Device Path definition.\r
	73	///\r
	74	typedef struct {\r
	75	VENDOR_DEVICE_PATH VendorDevicePath;\r
	76	EFI_DEVICE_PATH_PROTOCOL End;\r
	77	} HII_VENDOR_DEVICE_PATH;\r
	78	\r
	79	#define PWD_PROVIDER_SIGNATURE SIGNATURE_32 ('P', 'W', 'D', 'P')\r
	80	\r
	81	typedef struct {\r
	82	UINTN Signature;\r
	83	EFI_HANDLE DriverHandle;\r
	84	EFI_HII_HANDLE HiiHandle;\r
	85	//\r
	86	// Produced protocol.\r
	87	//\r
	88	EFI_HII_CONFIG_ACCESS_PROTOCOL ConfigAccess;\r
	89	} PWD_PROVIDER_CALLBACK_INFO;\r
	90	\r
	91	\r
	92	/**\r
	93	Enroll a user on a credential provider.\r
	94	\r
	95	This function enrolls and deletes a user profile using this credential provider. \r
	96	If a user profile is successfully enrolled, it calls the User Manager Protocol \r
	97	function Notify() to notify the user manager driver that credential information \r
	98	has changed. If an enrolled user does exist, delete the user on the credential \r
	99	provider.\r
	100	\r
	101	@param[in] This Points to this instance of EFI_USER_CREDENTIAL_PROTOCOL.\r
	102	@param[in] User The user profile to enroll.\r
	103	\r
	104	@retval EFI_SUCCESS User profile was successfully enrolled.\r
	105	@retval EFI_ACCESS_DENIED Current user profile does not permit enrollment on the\r
	106	user profile handle. Either the user profile cannot enroll\r
	107	on any user profile or cannot enroll on a user profile \r
	108	other than the current user profile.\r
	109	@retval EFI_UNSUPPORTED This credential provider does not support enrollment in\r
	110	the pre-OS.\r
	111	@retval EFI_DEVICE_ERROR The new credential could not be created because of a device\r
	112	error.\r
	113	@retval EFI_INVALID_PARAMETER User does not refer to a valid user profile handle.\r
	114	\r
	115	**/\r
	116	EFI_STATUS\r
	117	EFIAPI\r
	118	CredentialEnroll (\r
	119	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
	120	IN EFI_USER_PROFILE_HANDLE User\r
	121	);\r
	122	\r
	123	/**\r
	124	Returns the user interface information used during user identification.\r
	125	\r
	126	This function returns information about the form used when interacting with the\r
	127	user during user identification. The form is the first enabled form in the form-set\r
	128	class EFI_HII_USER_CREDENTIAL_FORMSET_GUID installed on the HII handle HiiHandle. If \r
	129	the user credential provider does not require a form to identify the user, then this\r
	130	function should return EFI_NOT_FOUND.\r
	131	\r
	132	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
	133	@param[out] Hii On return, holds the HII database handle.\r
	134	@param[out] FormSetId On return, holds the identifier of the form set which contains\r
	135	the form used during user identification.\r
	136	@param[out] FormId On return, holds the identifier of the form used during user \r
	137	identification.\r
	138	\r
	139	@retval EFI_SUCCESS Form returned successfully.\r
	140	@retval EFI_NOT_FOUND Form not returned.\r
	141	@retval EFI_INVALID_PARAMETER Hii is NULL or FormSetId is NULL or FormId is NULL.\r
	142	\r
	143	**/\r
	144	EFI_STATUS\r
	145	EFIAPI\r
	146	CredentialForm (\r
	147	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
	148	OUT EFI_HII_HANDLE *Hii,\r
	149	OUT EFI_GUID *FormSetId,\r
	150	OUT EFI_FORM_ID *FormId\r
	151	);\r
	152	\r
	153	/**\r
	154	Returns bitmap used to describe the credential provider type.\r
	155	\r
	156	This optional function returns a bitmap which is less than or equal to the number\r
	157	of pixels specified by Width and Height. If no such bitmap exists, then EFI_NOT_FOUND\r
	158	is returned. \r
	159	\r
	160	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
	161	@param[in, out] Width On entry, points to the desired bitmap width. If NULL then no \r
	162	bitmap information will be returned. On exit, points to the \r
	163	width of the bitmap returned.\r
	164	@param[in, out] Height On entry, points to the desired bitmap height. If NULL then no\r
	165	bitmap information will be returned. On exit, points to the \r
	166	height of the bitmap returned\r
	167	@param[out] Hii On return, holds the HII database handle. \r
	168	@param[out] Image On return, holds the HII image identifier. \r
	169	\r
	170	@retval EFI_SUCCESS Image identifier returned successfully.\r
	171	@retval EFI_NOT_FOUND Image identifier not returned.\r
	172	@retval EFI_INVALID_PARAMETER Hii is NULL or Image is NULL.\r
	173	\r
	174	**/\r
	175	EFI_STATUS\r
	176	EFIAPI\r
	177	CredentialTile (\r
	178	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
	179	IN OUT UINTN *Width,\r
	180	IN OUT UINTN *Height,\r
	181	OUT EFI_HII_HANDLE *Hii,\r
	182	OUT EFI_IMAGE_ID *Image\r
	183	);\r
	184	\r
	185	/**\r
	186	Returns string used to describe the credential provider type.\r
	187	\r
	188	This function returns a string which describes the credential provider. If no\r
	189	such string exists, then EFI_NOT_FOUND is returned. \r
	190	\r
	191	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
	192	@param[out] Hii On return, holds the HII database handle.\r
	193	@param[out] String On return, holds the HII string identifier.\r
	194	\r
	195	@retval EFI_SUCCESS String identifier returned successfully.\r
	196	@retval EFI_NOT_FOUND String identifier not returned.\r
	197	@retval EFI_INVALID_PARAMETER Hii is NULL or String is NULL.\r
	198	\r
	199	**/\r
	200	EFI_STATUS\r
	201	EFIAPI\r
	202	CredentialTitle (\r
	203	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
	204	OUT EFI_HII_HANDLE *Hii,\r
	205	OUT EFI_STRING_ID *String\r
	206	);\r
	207	\r
	208	/**\r
	209	Return the user identifier associated with the currently authenticated user.\r
	210	\r
	211	This function returns the user identifier of the user authenticated by this credential\r
	212	provider. This function is called after the credential-related information has been \r
	213	submitted on a form OR after a call to Default() has returned that this credential is\r
	214	ready to log on.\r
	215	\r
	216	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
	217	@param[in] User The user profile handle of the user profile currently being \r
	218	considered by the user identity manager. If NULL, then no user\r
	219	profile is currently under consideration.\r
	220	@param[out] Identifier On return, points to the user identifier. \r
	221	\r
	222	@retval EFI_SUCCESS User identifier returned successfully.\r
	223	@retval EFI_NOT_READY No user identifier can be returned.\r
	224	@retval EFI_ACCESS_DENIED The user has been locked out of this user credential.\r
	225	@retval EFI_INVALID_PARAMETER This is NULL, or Identifier is NULL.\r
	226	@retval EFI_NOT_FOUND User is not NULL, and the specified user handle can't be\r
	227	found in user profile database\r
	228	\r
	229	**/\r
	230	EFI_STATUS\r
	231	EFIAPI\r
	232	CredentialUser (\r
	233	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
	234	IN EFI_USER_PROFILE_HANDLE User,\r
	235	OUT EFI_USER_INFO_IDENTIFIER *Identifier\r
	236	);\r
	237	\r
	238	/**\r
	239	Indicate that user interface interaction has begun for the specified credential.\r
	240	\r
	241	This function is called when a credential provider is selected by the user. If \r
	242	AutoLogon returns FALSE, then the user interface will be constructed by the User\r
	243	Identity Manager. \r
	244	\r
	245	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
	246	@param[out] AutoLogon On return, points to the credential provider's capabilities \r
	247	after the credential provider has been selected by the user. \r
	248	\r
	249	@retval EFI_SUCCESS Credential provider successfully selected.\r
	250	@retval EFI_INVALID_PARAMETER AutoLogon is NULL.\r
	251	\r
	252	**/\r
	253	EFI_STATUS\r
	254	EFIAPI\r
	255	CredentialSelect (\r
	256	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
	257	OUT EFI_CREDENTIAL_LOGON_FLAGS *AutoLogon\r
	258	);\r
	259	\r
	260	/**\r
	261	Indicate that user interface interaction has ended for the specified credential.\r
	262	\r
	263	This function is called when a credential provider is deselected by the user.\r
	264	\r
	265	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
	266	\r
	267	@retval EFI_SUCCESS Credential provider successfully deselected.\r
	268	\r
	269	**/\r
	270	EFI_STATUS\r
	271	EFIAPI\r
	272	CredentialDeselect (\r
	273	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This\r
	274	);\r
	275	\r
	276	/**\r
	277	Return the default logon behavior for this user credential.\r
	278	\r
	279	This function reports the default login behavior regarding this credential provider. \r
	280	\r
	281	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
	282	@param[out] AutoLogon On return, holds whether the credential provider should be used\r
	283	by default to automatically log on the user. \r
	284	\r
	285	@retval EFI_SUCCESS Default information successfully returned.\r
	286	@retval EFI_INVALID_PARAMETER AutoLogon is NULL.\r
	287	\r
	288	**/\r
	289	EFI_STATUS\r
	290	EFIAPI\r
	291	CredentialDefault (\r
	292	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
	293	OUT EFI_CREDENTIAL_LOGON_FLAGS *AutoLogon\r
	294	);\r
	295	\r
	296	/**\r
	297	Return information attached to the credential provider.\r
	298	\r
	299	This function returns user information. \r
	300	\r
	301	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
	302	@param[in] UserInfo Handle of the user information data record. \r
	303	@param[out] Info On entry, points to a buffer of at least *InfoSize bytes. On\r
	304	exit, holds the user information. If the buffer is too small\r
	305	to hold the information, then EFI_BUFFER_TOO_SMALL is returned\r
	306	and InfoSize is updated to contain the number of bytes actually\r
	307	required.\r
	308	@param[in, out] InfoSize On entry, points to the size of Info. On return, points to the \r
	309	size of the user information. \r
	310	\r
	311	@retval EFI_SUCCESS Information returned successfully.\r
	312	@retval EFI_BUFFER_TOO_SMALL The size specified by InfoSize is too small to hold all of the\r
	313	user information. The size required is returned in *InfoSize.\r
	314	@retval EFI_INVALID_PARAMETER Info is NULL or InfoSize is NULL.\r
	315	@retval EFI_NOT_FOUND The specified UserInfo does not refer to a valid user info handle. \r
	316	\r
	317	**/\r
	318	EFI_STATUS\r
	319	EFIAPI\r
	320	CredentialGetInfo (\r
	321	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
	322	IN EFI_USER_INFO_HANDLE UserInfo,\r
	323	OUT EFI_USER_INFO *Info,\r
	324	IN OUT UINTN *InfoSize\r
	325	);\r
	326	\r
	327	\r
	328	/**\r
	329	Enumerate all of the user informations on the credential provider.\r
	330	\r
	331	This function returns the next user information record. To retrieve the first user\r
	332	information record handle, point UserInfo at a NULL. Each subsequent call will retrieve\r
	333	another user information record handle until there are no more, at which point UserInfo\r
	334	will point to NULL. \r
	335	\r
	336	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
	337	@param[in, out] UserInfo On entry, points to the previous user information handle or NULL\r
	338	to start enumeration. On exit, points to the next user information\r
	339	handle or NULL if there is no more user information.\r
	340	\r
	341	@retval EFI_SUCCESS User information returned.\r
	342	@retval EFI_NOT_FOUND No more user information found.\r
	343	@retval EFI_INVALID_PARAMETER UserInfo is NULL.\r
	344	\r
	345	**/\r
	346	EFI_STATUS\r
	347	EFIAPI\r
	348	CredentialGetNextInfo (\r
	349	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
	350	IN OUT EFI_USER_INFO_HANDLE *UserInfo\r
	351	);\r
	352	\r
	353	#endif\r