[mirror_edk2.git] / SecurityPkg / UserIdentification / UsbCredentialProviderDxe / UsbCredentialProvider.h

/** @file\r
  Usb Credential Provider driver header file.\r
    \r
Copyright (c) 2009 - 2011, 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 _USB_CREDENTIAL_PROVIDER_H_\r
#define _USB_CREDENTIAL_PROVIDER_H_\r
\r
#include <Uefi.h>\r
\r
#include <Guid/GlobalVariable.h>\r
#include <Guid/FileInfo.h>\r
#include <Guid/SecurityPkgTokenSpace.h>\r
#include <Guid/UsbCredentialProviderHii.h>\r
\r
#include <Protocol/SimpleFileSystem.h>\r
#include <Protocol/BlockIo.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/BaseCryptLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/PrintLib.h>\r
#include <Library/HiiLib.h>\r
#include <Library/PcdLib.h>\r
\r
extern UINT8      UsbCredentialProviderStrings[];\r
\r
#define USB_TABLE_INC          16\r
#define HASHED_CREDENTIAL_LEN  20\r
\r
//\r
// Save the enroll user credential Information.\r
//\r
typedef struct {\r
  EFI_USER_INFO_IDENTIFIER  UserId;\r
  UINT8                     Token[HASHED_CREDENTIAL_LEN];\r
} USB_INFO;\r
\r
//\r
// USB Credential Table.\r
//\r
typedef struct {\r
  UINTN     Count;\r
  UINTN     MaxCount;\r
  USB_INFO  UserInfo[1];\r
} CREDENTIAL_TABLE;\r
\r
//\r
// The user information on the USB provider.\r
//\r
typedef struct {\r
  UINTN                         Count;\r
  EFI_USER_INFO                 *Info[1];\r
} USB_CREDENTIAL_INFO;\r
\r
#define USB_PROVIDER_SIGNATURE  SIGNATURE_32 ('U', 'S', 'B', 'P')\r
\r
typedef struct {\r
  UINTN                           Signature;\r
  EFI_HANDLE                      DriverHandle;\r
  EFI_HII_HANDLE                  HiiHandle;\r
} USB_PROVIDER_CALLBACK_INFO;\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
  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
0c18794e	1	/** @file\r
	2	Usb Credential Provider driver header file.\r
	3	\r
a0c56a82	4	Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r
0c18794e	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 _USB_CREDENTIAL_PROVIDER_H_\r
	16	#define _USB_CREDENTIAL_PROVIDER_H_\r
	17	\r
	18	#include <Uefi.h>\r
	19	\r
	20	#include <Guid/GlobalVariable.h>\r
0c18794e	21	#include <Guid/FileInfo.h>\r
0c18794e	22	#include <Guid/SecurityPkgTokenSpace.h>\r
a0c56a82	23	#include <Guid/UsbCredentialProviderHii.h>\r
0c18794e	24	\r
	25	#include <Protocol/SimpleFileSystem.h>\r
	26	#include <Protocol/BlockIo.h>\r
	27	#include <Protocol/UserCredential.h>\r
	28	#include <Protocol/UserManager.h>\r
	29	\r
	30	#include <Library/UefiRuntimeServicesTableLib.h>\r
	31	#include <Library/UefiBootServicesTableLib.h>\r
	32	#include <Library/MemoryAllocationLib.h>\r
	33	#include <Library/BaseMemoryLib.h>\r
	34	#include <Library/DevicePathLib.h>\r
	35	#include <Library/BaseCryptLib.h>\r
	36	#include <Library/DebugLib.h>\r
	37	#include <Library/UefiLib.h>\r
	38	#include <Library/PrintLib.h>\r
	39	#include <Library/HiiLib.h>\r
	40	#include <Library/PcdLib.h>\r
	41	\r
	42	extern UINT8 UsbCredentialProviderStrings[];\r
0c18794e	43	\r
	44	#define USB_TABLE_INC 16\r
	45	#define HASHED_CREDENTIAL_LEN 20\r
	46	\r
0c18794e	47	//\r
	48	// Save the enroll user credential Information.\r
	49	//\r
	50	typedef struct {\r
	51	EFI_USER_INFO_IDENTIFIER UserId;\r
	52	UINT8 Token[HASHED_CREDENTIAL_LEN];\r
	53	} USB_INFO;\r
	54	\r
	55	//\r
	56	// USB Credential Table.\r
	57	//\r
	58	typedef struct {\r
	59	UINTN Count;\r
	60	UINTN MaxCount;\r
	61	USB_INFO UserInfo[1];\r
	62	} CREDENTIAL_TABLE;\r
	63	\r
	64	//\r
	65	// The user information on the USB provider.\r
	66	//\r
	67	typedef struct {\r
	68	UINTN Count;\r
	69	EFI_USER_INFO *Info[1];\r
	70	} USB_CREDENTIAL_INFO;\r
	71	\r
0c18794e	72	#define USB_PROVIDER_SIGNATURE SIGNATURE_32 ('U', 'S', 'B', 'P')\r
	73	\r
	74	typedef struct {\r
	75	UINTN Signature;\r
	76	EFI_HANDLE DriverHandle;\r
	77	EFI_HII_HANDLE HiiHandle;\r
	78	} USB_PROVIDER_CALLBACK_INFO;\r
	79	\r
	80	/**\r
	81	Enroll a user on a credential provider.\r
	82	\r
	83	This function enrolls and deletes a user profile using this credential provider. \r
	84	If a user profile is successfully enrolled, it calls the User Manager Protocol \r
	85	function Notify() to notify the user manager driver that credential information \r
	86	has changed. If an enrolled user does exist, delete the user on the credential \r
	87	provider.\r
	88	\r
	89	@param[in] This Points to this instance of EFI_USER_CREDENTIAL_PROTOCOL.\r
	90	@param[in] User The user profile to enroll.\r
	91	\r
	92	@retval EFI_SUCCESS User profile was successfully enrolled.\r
	93	@retval EFI_ACCESS_DENIED Current user profile does not permit enrollment on the\r
	94	user profile handle. Either the user profile cannot enroll\r
	95	on any user profile or cannot enroll on a user profile \r
	96	other than the current user profile.\r
	97	@retval EFI_UNSUPPORTED This credential provider does not support enrollment in\r
	98	the pre-OS.\r
	99	@retval EFI_DEVICE_ERROR The new credential could not be created because of a device\r
	100	error.\r
	101	@retval EFI_INVALID_PARAMETER User does not refer to a valid user profile handle.\r
	102	\r
	103	**/\r
	104	EFI_STATUS\r
	105	EFIAPI\r
	106	CredentialEnroll (\r
	107	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
	108	IN EFI_USER_PROFILE_HANDLE User\r
	109	);\r
	110	\r
	111	/**\r
	112	Returns the user interface information used during user identification.\r
	113	\r
	114	This function returns information about the form used when interacting with the\r
	115	user during user identification. The form is the first enabled form in the form-set\r
	116	class EFI_HII_USER_CREDENTIAL_FORMSET_GUID installed on the HII handle HiiHandle. If \r
	117	the user credential provider does not require a form to identify the user, then this\r
	118	function should return EFI_NOT_FOUND.\r
	119	\r
	120	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
	121	@param[out] Hii On return, holds the HII database handle.\r
	122	@param[out] FormSetId On return, holds the identifier of the form set which contains\r
	123	the form used during user identification.\r
	124	@param[out] FormId On return, holds the identifier of the form used during user \r
	125	identification.\r
	126	\r
	127	@retval EFI_SUCCESS Form returned successfully.\r
	128	@retval EFI_NOT_FOUND Form not returned.\r
	129	@retval EFI_INVALID_PARAMETER Hii is NULL or FormSetId is NULL or FormId is NULL.\r
	130	\r
	131	**/\r
	132	EFI_STATUS\r
	133	EFIAPI\r
	134	CredentialForm (\r
	135	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
136	OUT EFI_HII_HANDLE *Hii,\r
137	OUT EFI_GUID *FormSetId,\r
138	OUT EFI_FORM_ID *FormId\r
139	);\r
140	\r
141	/**\r
142	Returns bitmap used to describe the credential provider type.\r
143	\r
144	This optional function returns a bitmap which is less than or equal to the number\r
145	of pixels specified by Width and Height. If no such bitmap exists, then EFI_NOT_FOUND\r
146	is returned. \r
147	\r
148	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
149	@param[in, out] Width On entry, points to the desired bitmap width. If NULL then no \r
150	bitmap information will be returned. On exit, points to the \r
151	width of the bitmap returned.\r
152	@param[in, out] Height On entry, points to the desired bitmap height. If NULL then no\r
153	bitmap information will be returned. On exit, points to the \r
154	height of the bitmap returned.\r
155	@param[out] Hii On return, holds the HII database handle. \r
156	@param[out] Image On return, holds the HII image identifier. \r
157	\r
158	@retval EFI_SUCCESS Image identifier returned successfully.\r
159	@retval EFI_NOT_FOUND Image identifier not returned.\r
160	@retval EFI_INVALID_PARAMETER Hii is NULL or Image is NULL.\r
161	\r
162	**/\r
163	EFI_STATUS\r
164	EFIAPI\r
165	CredentialTile (\r
166	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
167	IN OUT UINTN *Width,\r
168	IN OUT UINTN *Height,\r
169	OUT EFI_HII_HANDLE *Hii,\r
170	OUT EFI_IMAGE_ID *Image\r
171	);\r
172	\r
173	/**\r
174	Returns string used to describe the credential provider type.\r
175	\r
176	This function returns a string which describes the credential provider. If no\r
177	such string exists, then EFI_NOT_FOUND is returned. \r
178	\r
179	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
180	@param[out] Hii On return, holds the HII database handle.\r
181	@param[out] String On return, holds the HII string identifier.\r
182	\r
183	@retval EFI_SUCCESS String identifier returned successfully.\r
184	@retval EFI_NOT_FOUND String identifier not returned.\r
185	@retval EFI_INVALID_PARAMETER Hii is NULL or String is NULL.\r
186	\r
187	**/\r
188	EFI_STATUS\r
189	EFIAPI\r
190	CredentialTitle (\r
191	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
192	OUT EFI_HII_HANDLE *Hii,\r
193	OUT EFI_STRING_ID *String\r
194	);\r
195	\r
196	/**\r
197	Return the user identifier associated with the currently authenticated user.\r
198	\r
199	This function returns the user identifier of the user authenticated by this credential\r
200	provider. This function is called after the credential-related information has been \r
201	submitted on a form OR after a call to Default() has returned that this credential is\r
202	ready to log on.\r
203	\r
204	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
205	@param[in] User The user profile handle of the user profile currently being \r
206	considered by the user identity manager. If NULL, then no user\r
207	profile is currently under consideration.\r
208	@param[out] Identifier On return, points to the user identifier. \r
209	\r
210	@retval EFI_SUCCESS User identifier returned successfully.\r
211	@retval EFI_NOT_READY No user identifier can be returned.\r
212	@retval EFI_ACCESS_DENIED The user has been locked out of this user credential.\r
213	@retval EFI_INVALID_PARAMETER This is NULL, or Identifier is NULL.\r
214	@retval EFI_NOT_FOUND User is not NULL, and the specified user handle can't be\r
215	found in user profile database.\r
216	\r
217	**/\r
218	EFI_STATUS\r
219	EFIAPI\r
220	CredentialUser (\r
221	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
222	IN EFI_USER_PROFILE_HANDLE User,\r
223	OUT EFI_USER_INFO_IDENTIFIER *Identifier\r
224	);\r
225	\r
226	/**\r
227	Indicate that user interface interaction has begun for the specified credential.\r
228	\r
229	This function is called when a credential provider is selected by the user. If \r
230	AutoLogon returns FALSE, then the user interface will be constructed by the User\r
231	Identity Manager. \r
232	\r
233	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
234	@param[out] AutoLogon On return, points to the credential provider's capabilities \r
235	after the credential provider has been selected by the user. \r
236	\r
237	@retval EFI_SUCCESS Credential provider successfully selected.\r
238	@retval EFI_INVALID_PARAMETER AutoLogon is NULL.\r
239	\r
240	**/\r
241	EFI_STATUS\r
242	EFIAPI\r
243	CredentialSelect (\r
244	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
245	OUT EFI_CREDENTIAL_LOGON_FLAGS *AutoLogon\r
246	);\r
247	\r
248	/**\r
249	Indicate that user interface interaction has ended for the specified credential.\r
250	\r
251	This function is called when a credential provider is deselected by the user.\r
252	\r
253	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
254	\r
255	@retval EFI_SUCCESS Credential provider successfully deselected.\r
256	\r
257	**/\r
258	EFI_STATUS\r
259	EFIAPI\r
260	CredentialDeselect (\r
261	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This\r
262	);\r
263	\r
264	/**\r
265	Return the default logon behavior for this user credential.\r
266	\r
267	This function reports the default login behavior regarding this credential provider. \r
268	\r
269	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
270	@param[out] AutoLogon On return, holds whether the credential provider should be used\r
271	by default to automatically log on the user. \r
272	\r
273	@retval EFI_SUCCESS Default information successfully returned.\r
274	@retval EFI_INVALID_PARAMETER AutoLogon is NULL.\r
275	\r
276	**/\r
277	EFI_STATUS\r
278	EFIAPI\r
279	CredentialDefault (\r
280	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
281	OUT EFI_CREDENTIAL_LOGON_FLAGS *AutoLogon\r
282	);\r
283	\r
284	/**\r
285	Return information attached to the credential provider.\r
286	\r
287	This function returns user information. \r
288	\r
289	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
290	@param[in] UserInfo Handle of the user information data record. \r
291	@param[out] Info On entry, points to a buffer of at least *InfoSize bytes. On\r
292	exit, holds the user information. If the buffer is too small\r
293	to hold the information, then EFI_BUFFER_TOO_SMALL is returned\r
294	and InfoSize is updated to contain the number of bytes actually\r
295	required.\r
296	@param[in, out] InfoSize On entry, points to the size of Info. On return, points to the \r
297	size of the user information. \r
298	\r
299	@retval EFI_SUCCESS Information returned successfully.\r
300	@retval EFI_BUFFER_TOO_SMALL The size specified by InfoSize is too small to hold all of the\r
301	user information. The size required is returned in *InfoSize.\r
302	@retval EFI_INVALID_PARAMETER Info is NULL or InfoSize is NULL.\r
303	@retval EFI_NOT_FOUND The specified UserInfo does not refer to a valid user info handle. \r
304	\r
305	**/\r
306	EFI_STATUS\r
307	EFIAPI\r
308	CredentialGetInfo (\r
309	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
310	IN EFI_USER_INFO_HANDLE UserInfo,\r
311	OUT EFI_USER_INFO *Info,\r
312	IN OUT UINTN *InfoSize\r
313	);\r
314	\r
315	/**\r
316	Enumerate all of the user informations on the credential provider.\r
317	\r
318	This function returns the next user information record. To retrieve the first user\r
319	information record handle, point UserInfo at a NULL. Each subsequent call will retrieve\r
320	another user information record handle until there are no more, at which point UserInfo\r
321	will point to NULL. \r
322	\r
323	@param[in] This Points to this instance of the EFI_USER_CREDENTIAL_PROTOCOL.\r
324	@param[in, out] UserInfo On entry, points to the previous user information handle or NULL\r
325	to start enumeration. On exit, points to the next user information\r
326	handle or NULL if there is no more user information.\r
327	\r
328	@retval EFI_SUCCESS User information returned.\r
329	@retval EFI_NOT_FOUND No more user information found.\r
330	@retval EFI_INVALID_PARAMETER UserInfo is NULL.\r
331	\r
332	**/\r
333	EFI_STATUS\r
334	EFIAPI\r
335	CredentialGetNextInfo (\r
336	IN CONST EFI_USER_CREDENTIAL_PROTOCOL *This,\r
337	IN OUT EFI_USER_INFO_HANDLE *UserInfo\r
338	);\r
339	\r
340	#endif\r