1 /** @file 2 The functions to delete a user profile. 3 4 Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 #include "UserProfileManager.h" 16 17 /** 18 Get the username from the specified user. 19 20 @param[in] User Handle of a user profile. 21 22 @retval EFI_STRING_ID The String Id of the user's username. 23 24 **/ 25 EFI_STRING_ID 26 GetUserName ( 27 IN EFI_USER_PROFILE_HANDLE User 28 ) 29 { 30 EFI_STATUS Status; 31 EFI_USER_INFO_HANDLE UserInfo; 32 EFI_USER_INFO *Info; 33 UINTN InfoSize; 34 UINTN MemSize; 35 UINTN NameLen; 36 CHAR16 UserName[USER_NAME_LENGTH]; 37 EFI_STRING_ID UserId; 38 39 // 40 // Allocate user information memory. 41 // 42 MemSize = sizeof (EFI_USER_INFO) + 63; 43 Info = AllocateZeroPool (MemSize); 44 ASSERT (Info != NULL); 45 46 // 47 // Get user name information. 48 // 49 UserInfo = NULL; 50 while (TRUE) { 51 InfoSize = MemSize; 52 // 53 // Get next user information. 54 // 55 Status = mUserManager->GetNextInfo ( 56 mUserManager, 57 User, 58 &UserInfo 59 ); 60 if (EFI_ERROR (Status)) { 61 break; 62 } 63 64 Status = mUserManager->GetInfo ( 65 mUserManager, 66 User, 67 UserInfo, 68 Info, 69 &InfoSize 70 ); 71 if (Status == EFI_BUFFER_TOO_SMALL) { 72 MemSize = InfoSize; 73 FreePool (Info); 74 Info = AllocateZeroPool (MemSize); 75 ASSERT (Info != NULL); 76 77 Status = mUserManager->GetInfo ( 78 mUserManager, 79 User, 80 UserInfo, 81 Info, 82 &InfoSize 83 ); 84 } 85 // 86 // Check user information. 87 // 88 if (Status == EFI_SUCCESS) { 89 if (Info->InfoType == EFI_USER_INFO_NAME_RECORD) { 90 NameLen = Info->InfoSize - sizeof (EFI_USER_INFO); 91 if (NameLen > USER_NAME_LENGTH * sizeof (CHAR16)) { 92 NameLen = USER_NAME_LENGTH * sizeof (CHAR16); 93 } 94 ASSERT (NameLen >= sizeof (CHAR16)); 95 CopyMem (UserName, (UINT8 *) (Info + 1), NameLen); 96 UserName[NameLen / sizeof (CHAR16) - 1] = 0; 97 UserId = HiiSetString ( 98 mCallbackInfo->HiiHandle, 99 0, 100 UserName, 101 NULL 102 ); 103 if (UserId != 0) { 104 FreePool (Info); 105 return UserId; 106 } 107 } 108 } 109 } 110 111 FreePool (Info); 112 return 0; 113 } 114 115 116 /** 117 Add a username item in form. 118 119 @param[in] User Points to the user profile whose username is added. 120 @param[in] Index The index of the user in the user name list 121 @param[in] OpCodeHandle Points to container for dynamic created opcodes. 122 123 **/ 124 VOID 125 AddUserToForm ( 126 IN EFI_USER_PROFILE_HANDLE User, 127 IN UINT16 Index, 128 IN VOID *OpCodeHandle 129 ) 130 { 131 EFI_STRING_ID NameId; 132 133 // 134 // Get user name 135 // 136 NameId = GetUserName (User); 137 if (NameId == 0) { 138 return ; 139 } 140 141 // 142 // Create user name option. 143 // 144 switch (Index & KEY_FIRST_FORM_MASK) { 145 case KEY_MODIFY_USER: 146 HiiCreateGotoOpCode ( 147 OpCodeHandle, // Container for dynamic created opcodes 148 FORMID_USER_INFO, // Target Form ID 149 NameId, // Prompt text 150 STRING_TOKEN (STR_NULL_STRING), // Help text 151 EFI_IFR_FLAG_CALLBACK, // Question flag 152 Index // Question ID 153 ); 154 break; 155 156 case KEY_DEL_USER: 157 HiiCreateActionOpCode ( 158 OpCodeHandle, // Container for dynamic created opcodes 159 Index, // Question ID 160 NameId, // Prompt text 161 STRING_TOKEN (STR_NULL_STRING), // Help text 162 EFI_IFR_FLAG_CALLBACK, // Question flag 163 0 // Action String ID 164 ); 165 break; 166 167 default: 168 break; 169 } 170 } 171 172 173 /** 174 Delete the user specified by UserIndex in user profile database. 175 176 @param[in] UserIndex The index of user in the user name list 177 to be deleted. 178 179 **/ 180 VOID 181 DeleteUser ( 182 IN UINT8 UserIndex 183 ) 184 { 185 EFI_STATUS Status; 186 EFI_USER_PROFILE_HANDLE User; 187 EFI_INPUT_KEY Key; 188 EFI_USER_INFO_HANDLE UserInfo; 189 EFI_USER_INFO *Info; 190 UINTN InfoSize; 191 192 // 193 // Find specified user profile and delete it. 194 // 195 User = NULL; 196 Status = mUserManager->GetNext (mUserManager, &User); 197 if (EFI_ERROR (Status)) { 198 goto Done; 199 } 200 201 while (UserIndex > 1) { 202 Status = mUserManager->GetNext (mUserManager, &User); 203 if (EFI_ERROR (Status)) { 204 goto Done; 205 } 206 UserIndex--; 207 } 208 209 if (UserIndex == 1) { 210 // 211 // Get the identification policy. 212 // 213 Status = FindInfoByType (User, EFI_USER_INFO_IDENTITY_POLICY_RECORD, &UserInfo); 214 if (EFI_ERROR (Status)) { 215 goto Done; 216 } 217 218 InfoSize = 0; 219 Info = NULL; 220 Status = mUserManager->GetInfo (mUserManager, User, UserInfo, Info, &InfoSize); 221 if (Status == EFI_BUFFER_TOO_SMALL) { 222 Info = AllocateZeroPool (InfoSize); 223 if (Info == NULL) { 224 goto Done; 225 } 226 Status = mUserManager->GetInfo (mUserManager, User, UserInfo, Info, &InfoSize); 227 } 228 229 // 230 // Delete the user on the credential providers by its identification policy. 231 // 232 ASSERT (Info != NULL); 233 DeleteCredentialFromProviders ((UINT8 *)(Info + 1), Info->InfoSize - sizeof (EFI_USER_INFO), User); 234 FreePool (Info); 235 236 Status = mUserManager->Delete (mUserManager, User); 237 if (EFI_ERROR (Status)) { 238 goto Done; 239 } 240 CreatePopUp ( 241 EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, 242 &Key, 243 L"Delete User Succeed!", 244 L"", 245 L"Please Press Any Key to Continue ...", 246 NULL 247 ); 248 return ; 249 } 250 251 Done: 252 CreatePopUp ( 253 EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, 254 &Key, 255 L"Delete User Failed!", 256 L"", 257 L"Please Press Any Key to Continue ...", 258 NULL 259 ); 260 } 261 262 263 /** 264 Display user select form, cab select a user to delete. 265 266 **/ 267 VOID 268 SelectUserToDelete ( 269 VOID 270 ) 271 { 272 EFI_STATUS Status; 273 UINT8 Index; 274 EFI_USER_PROFILE_HANDLE User; 275 EFI_USER_PROFILE_HANDLE CurrentUser; 276 VOID *StartOpCodeHandle; 277 VOID *EndOpCodeHandle; 278 EFI_IFR_GUID_LABEL *StartLabel; 279 EFI_IFR_GUID_LABEL *EndLabel; 280 281 // 282 // Initialize the container for dynamic opcodes. 283 // 284 StartOpCodeHandle = HiiAllocateOpCodeHandle (); 285 ASSERT (StartOpCodeHandle != NULL); 286 287 EndOpCodeHandle = HiiAllocateOpCodeHandle (); 288 ASSERT (EndOpCodeHandle != NULL); 289 290 // 291 // Create Hii Extend Label OpCode. 292 // 293 StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode ( 294 StartOpCodeHandle, 295 &gEfiIfrTianoGuid, 296 NULL, 297 sizeof (EFI_IFR_GUID_LABEL) 298 ); 299 StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL; 300 StartLabel->Number = LABEL_USER_DEL_FUNC; 301 302 EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode ( 303 EndOpCodeHandle, 304 &gEfiIfrTianoGuid, 305 NULL, 306 sizeof (EFI_IFR_GUID_LABEL) 307 ); 308 EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL; 309 EndLabel->Number = LABEL_END; 310 311 // 312 // Add each user can be deleted. 313 // 314 User = NULL; 315 Index = 1; 316 mUserManager->Current (mUserManager, &CurrentUser); 317 while (TRUE) { 318 Status = mUserManager->GetNext (mUserManager, &User); 319 if (EFI_ERROR (Status)) { 320 break; 321 } 322 323 if (User != CurrentUser) { 324 AddUserToForm ( 325 User, 326 (UINT16)(KEY_DEL_USER | KEY_SELECT_USER | Index), 327 StartOpCodeHandle 328 ); 329 } 330 Index++; 331 } 332 333 HiiUpdateForm ( 334 mCallbackInfo->HiiHandle, // HII handle 335 &gUserProfileManagerGuid, // Formset GUID 336 FORMID_DEL_USER, // Form ID 337 StartOpCodeHandle, // Label for where to insert opcodes 338 EndOpCodeHandle // Replace data 339 ); 340 341 HiiFreeOpCodeHandle (StartOpCodeHandle); 342 HiiFreeOpCodeHandle (EndOpCodeHandle); 343 } 344
