]>
Commit | Line | Data |
---|---|---|
a405b86d | 1 | /** @file\r |
2 | Main file for attrib shell level 2 function.\r | |
3 | \r | |
c011b6c9 | 4 | (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r |
e75390f0 | 5 | Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>\r |
a405b86d | 6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "UefiShellLevel2CommandsLib.h"\r | |
17 | \r | |
18 | STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r | |
19 | {L"-q", TypeFlag},\r | |
20 | {NULL, TypeMax}\r | |
21 | };\r | |
22 | \r | |
b54fd049 | 23 | /**\r |
24 | Determine if a directory has no files in it.\r | |
25 | \r | |
26 | @param[in] FileHandle The EFI_HANDLE to the directory.\r | |
27 | \r | |
28 | @retval TRUE The directory has no files (or directories).\r | |
29 | @retval FALSE The directory has at least 1 file or directory in it.\r | |
30 | **/\r | |
a405b86d | 31 | BOOLEAN\r |
32 | EFIAPI\r | |
33 | IsDirectoryEmpty (\r | |
34 | IN EFI_HANDLE FileHandle\r | |
35 | )\r | |
36 | {\r | |
a405b86d | 37 | EFI_FILE_INFO *FileInfo;\r |
38 | BOOLEAN NoFile;\r | |
39 | BOOLEAN RetVal;\r | |
40 | \r | |
41 | RetVal = TRUE;\r | |
42 | NoFile = FALSE;\r | |
0d807dae | 43 | FileInfo = NULL;\r |
a405b86d | 44 | \r |
e755a4ca | 45 | for (FileHandleFindFirstFile(FileHandle, &FileInfo)\r |
a405b86d | 46 | ; !NoFile\r |
e755a4ca | 47 | ; FileHandleFindNextFile(FileHandle, FileInfo, &NoFile)\r |
a405b86d | 48 | ){\r |
49 | if (StrStr(FileInfo->FileName, L".") != FileInfo->FileName\r | |
50 | &&StrStr(FileInfo->FileName, L"..") != FileInfo->FileName) {\r | |
51 | RetVal = FALSE;\r | |
52 | }\r | |
53 | }\r | |
54 | return (RetVal);\r | |
55 | }\r | |
56 | \r | |
b54fd049 | 57 | /**\r |
58 | Delete a node and all nodes under it (including sub directories).\r | |
59 | \r | |
60 | @param[in] Node The node to start deleting with.\r | |
61 | @param[in] Quiet TRUE to print no messages.\r | |
62 | \r | |
63 | @retval SHELL_SUCCESS The operation was successful.\r | |
64 | @retval SHELL_ACCESS_DENIED A file was read only.\r | |
65 | @retval SHELL_ABORTED The abort message was received.\r | |
66 | @retval SHELL_DEVICE_ERROR A device error occured reading this Node.\r | |
67 | **/\r | |
a405b86d | 68 | SHELL_STATUS\r |
69 | EFIAPI\r | |
70 | CascadeDelete(\r | |
71 | IN EFI_SHELL_FILE_INFO *Node,\r | |
72 | IN CONST BOOLEAN Quiet\r | |
73 | )\r | |
74 | {\r | |
75 | SHELL_STATUS ShellStatus;\r | |
76 | EFI_SHELL_FILE_INFO *List;\r | |
77 | EFI_SHELL_FILE_INFO *Node2;\r | |
78 | EFI_STATUS Status;\r | |
79 | SHELL_PROMPT_RESPONSE *Resp;\r | |
22feb630 | 80 | CHAR16 *TempName;\r |
81957f8d | 81 | UINTN NewSize;\r |
a405b86d | 82 | \r |
83 | Resp = NULL;\r | |
84 | ShellStatus = SHELL_SUCCESS;\r | |
85 | List = NULL;\r | |
86 | Status = EFI_SUCCESS;\r | |
87 | \r | |
88 | if ((Node->Info->Attribute & EFI_FILE_READ_ONLY) == EFI_FILE_READ_ONLY) {\r | |
099e8ff5 | 89 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DETELE_RO), gShellLevel2HiiHandle, L"rm", Node->FullName); \r |
a405b86d | 90 | return (SHELL_ACCESS_DENIED);\r |
91 | }\r | |
92 | \r | |
93 | if ((Node->Info->Attribute & EFI_FILE_DIRECTORY) == EFI_FILE_DIRECTORY) {\r | |
94 | if (!IsDirectoryEmpty(Node->Handle)) {\r | |
95 | if (!Quiet) {\r | |
96 | Status = ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_RM_LOG_DELETE_CONF), gShellLevel2HiiHandle, Node->FullName);\r | |
97 | Status = ShellPromptForResponse(ShellPromptResponseTypeYesNo, NULL, (VOID**)&Resp);\r | |
a405b86d | 98 | ASSERT(Resp != NULL);\r |
99 | if (EFI_ERROR(Status) || *Resp != ShellPromptResponseYes) {\r | |
100 | SHELL_FREE_NON_NULL(Resp);\r | |
101 | return (SHELL_ABORTED);\r | |
102 | }\r | |
103 | SHELL_FREE_NON_NULL(Resp);\r | |
104 | }\r | |
105 | //\r | |
106 | // empty out the directory\r | |
107 | //\r | |
108 | Status = gEfiShellProtocol->FindFilesInDir(Node->Handle, &List);\r | |
109 | if (EFI_ERROR(Status)) {\r | |
110 | if (List!=NULL) {\r | |
111 | gEfiShellProtocol->FreeFileList(&List);\r | |
112 | }\r | |
113 | return (SHELL_DEVICE_ERROR);\r | |
114 | }\r | |
115 | for (Node2 = (EFI_SHELL_FILE_INFO *)GetFirstNode(&List->Link)\r | |
116 | ; !IsNull(&List->Link, &Node2->Link)\r | |
117 | ; Node2 = (EFI_SHELL_FILE_INFO *)GetNextNode(&List->Link, &Node2->Link)\r | |
118 | ){\r | |
119 | //\r | |
120 | // skip the directory traversing stuff...\r | |
121 | //\r | |
122 | if (StrCmp(Node2->FileName, L".") == 0 || StrCmp(Node2->FileName, L"..") == 0) {\r | |
123 | continue;\r | |
124 | }\r | |
125 | Node2->Status = gEfiShellProtocol->OpenFileByName (Node2->FullName, &Node2->Handle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE);\r | |
22feb630 JC |
126 | if (EFI_ERROR(Node2->Status) && StrStr(Node2->FileName, L":") == NULL) {\r |
127 | //\r | |
128 | // Update the node filename to have full path with file system identifier\r | |
129 | //\r | |
81957f8d JC |
130 | NewSize = StrSize(Node->FullName) + StrSize(Node2->FullName);\r |
131 | TempName = AllocateZeroPool(NewSize);\r | |
7461437c | 132 | if (TempName == NULL) {\r |
73c5c619 | 133 | ShellStatus = SHELL_OUT_OF_RESOURCES;\r |
7461437c | 134 | } else {\r |
e75390f0 | 135 | StrCpyS(TempName, NewSize/sizeof(CHAR16), Node->FullName);\r |
7461437c | 136 | TempName[StrStr(TempName, L":")+1-TempName] = CHAR_NULL;\r |
e75390f0 | 137 | StrCatS(TempName, NewSize/sizeof(CHAR16), Node2->FullName);\r |
7461437c | 138 | FreePool((VOID*)Node2->FullName);\r |
139 | Node2->FullName = TempName;\r | |
140 | \r | |
141 | //\r | |
142 | // Now try again to open the file\r | |
143 | //\r | |
144 | Node2->Status = gEfiShellProtocol->OpenFileByName (Node2->FullName, &Node2->Handle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE);\r | |
145 | }\r | |
146 | }\r | |
147 | if (!EFI_ERROR(Node2->Status)) {\r | |
148 | ShellStatus = CascadeDelete(Node2, Quiet);\r | |
149 | } else if (ShellStatus == SHELL_SUCCESS) {\r | |
75a68c69 | 150 | ShellStatus = (SHELL_STATUS)(Node2->Status&(~0x80000000));\r |
22feb630 | 151 | }\r |
a405b86d | 152 | if (ShellStatus != SHELL_SUCCESS) {\r |
153 | if (List!=NULL) {\r | |
154 | gEfiShellProtocol->FreeFileList(&List);\r | |
155 | }\r | |
156 | return (ShellStatus);\r | |
157 | }\r | |
158 | }\r | |
159 | if (List!=NULL) {\r | |
160 | gEfiShellProtocol->FreeFileList(&List);\r | |
161 | }\r | |
162 | }\r | |
163 | }\r | |
164 | \r | |
165 | if (!(StrCmp(Node->FileName, L".") == 0 || StrCmp(Node->FileName, L"..") == 0)) {\r | |
166 | //\r | |
167 | // now delete the current node...\r | |
168 | //\r | |
5a51ad8d JC |
169 | if (!Quiet) {\r |
170 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE), gShellLevel2HiiHandle, Node->FullName);\r | |
171 | }\r | |
a405b86d | 172 | Status = gEfiShellProtocol->DeleteFile(Node->Handle);\r |
173 | Node->Handle = NULL;\r | |
174 | }\r | |
175 | \r | |
176 | //\r | |
b54fd049 | 177 | // We cant allow for the warning here! (Dont use EFI_ERROR Macro).\r |
a405b86d | 178 | //\r |
179 | if (Status != EFI_SUCCESS){\r | |
180 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR), gShellLevel2HiiHandle, Status);\r | |
181 | return (SHELL_ACCESS_DENIED);\r | |
182 | } else {\r | |
a737ea73 JC |
183 | if (!Quiet) {\r |
184 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_COMP), gShellLevel2HiiHandle);\r | |
185 | }\r | |
a405b86d | 186 | return (SHELL_SUCCESS);\r |
187 | }\r | |
188 | }\r | |
189 | \r | |
b54fd049 | 190 | /**\r |
cceb4ebd | 191 | Determines if a Node is a valid delete target. Will prevent deleting the root directory.\r |
b54fd049 | 192 | \r |
193 | @param[in] List RESERVED. Not used.\r | |
194 | @param[in] Node The node to analyze.\r | |
195 | @param[in] Package RESERVED. Not used.\r | |
196 | **/\r | |
a405b86d | 197 | BOOLEAN\r |
198 | EFIAPI\r | |
199 | IsValidDeleteTarget(\r | |
200 | IN CONST EFI_SHELL_FILE_INFO *List,\r | |
201 | IN CONST EFI_SHELL_FILE_INFO *Node,\r | |
202 | IN CONST LIST_ENTRY *Package\r | |
203 | )\r | |
204 | {\r | |
205 | CONST CHAR16 *TempLocation;\r | |
eef1ed46 | 206 | BOOLEAN RetVal;\r |
207 | CHAR16 *SearchString;\r | |
208 | CHAR16 *Pattern;\r | |
a405b86d | 209 | UINTN Size;\r |
210 | \r | |
eef1ed46 | 211 | if (Node == NULL || Node->FullName == NULL) {\r |
212 | return (FALSE);\r | |
213 | }\r | |
214 | \r | |
a405b86d | 215 | TempLocation = StrStr(Node->FullName, L":");\r |
eef1ed46 | 216 | if (StrLen(TempLocation) <= 2) {\r |
a405b86d | 217 | //\r |
218 | // Deleting the root directory is invalid.\r | |
219 | //\r | |
220 | return (FALSE);\r | |
221 | }\r | |
eef1ed46 | 222 | \r |
a405b86d | 223 | TempLocation = ShellGetCurrentDir(NULL);\r |
eef1ed46 | 224 | if (TempLocation == NULL) {\r |
225 | //\r | |
226 | // No working directory is specified so whatever is left is ok.\r | |
227 | //\r | |
228 | return (TRUE);\r | |
a405b86d | 229 | }\r |
a405b86d | 230 | \r |
eef1ed46 | 231 | Pattern = NULL;\r |
232 | SearchString = NULL;\r | |
233 | Size = 0;\r | |
fbd2dfad QS |
234 | Pattern = StrnCatGrow(&Pattern, &Size, TempLocation , 0);\r |
235 | Pattern = StrnCatGrow(&Pattern, &Size, L"\\" , 0);\r | |
236 | Size = 0;\r | |
eef1ed46 | 237 | SearchString = StrnCatGrow(&SearchString, &Size, Node->FullName, 0);\r |
a32980dd | 238 | if (!EFI_ERROR(ShellIsDirectory(SearchString))) {\r |
239 | SearchString = StrnCatGrow(&SearchString, &Size, L"\\", 0);\r | |
240 | SearchString = StrnCatGrow(&SearchString, &Size, L"*", 0);\r | |
241 | }\r | |
eef1ed46 | 242 | \r |
243 | if (Pattern == NULL || SearchString == NULL) {\r | |
244 | RetVal = FALSE;\r | |
245 | } else {\r | |
246 | RetVal = TRUE;\r | |
247 | if (gUnicodeCollation->MetaiMatch(gUnicodeCollation, Pattern, SearchString)) {\r | |
248 | RetVal = FALSE;\r | |
249 | }\r | |
250 | }\r | |
251 | \r | |
252 | SHELL_FREE_NON_NULL(Pattern );\r | |
253 | SHELL_FREE_NON_NULL(SearchString);\r | |
254 | \r | |
255 | return (RetVal);\r | |
a405b86d | 256 | }\r |
257 | \r | |
258 | /**\r | |
259 | Function for 'rm' command.\r | |
260 | \r | |
261 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
262 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
263 | **/\r | |
264 | SHELL_STATUS\r | |
265 | EFIAPI\r | |
266 | ShellCommandRunRm (\r | |
267 | IN EFI_HANDLE ImageHandle,\r | |
268 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
269 | )\r | |
270 | {\r | |
271 | EFI_STATUS Status;\r | |
272 | LIST_ENTRY *Package;\r | |
273 | CHAR16 *ProblemParam;\r | |
274 | CONST CHAR16 *Param;\r | |
275 | SHELL_STATUS ShellStatus;\r | |
276 | UINTN ParamCount;\r | |
277 | EFI_SHELL_FILE_INFO *FileList;\r | |
278 | EFI_SHELL_FILE_INFO *Node;\r | |
279 | \r | |
280 | ProblemParam = NULL;\r | |
281 | ShellStatus = SHELL_SUCCESS;\r | |
282 | ParamCount = 0;\r | |
283 | FileList = NULL;\r | |
284 | \r | |
285 | //\r | |
286 | // initialize the shell lib (we must be in non-auto-init...)\r | |
287 | //\r | |
288 | Status = ShellInitialize();\r | |
289 | ASSERT_EFI_ERROR(Status);\r | |
290 | \r | |
291 | //\r | |
292 | // parse the command line\r | |
293 | //\r | |
294 | Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r | |
295 | if (EFI_ERROR(Status)) {\r | |
296 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r | |
099e8ff5 | 297 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"rm", ProblemParam); \r |
a405b86d | 298 | FreePool(ProblemParam);\r |
299 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
300 | } else {\r | |
301 | ASSERT(FALSE);\r | |
302 | }\r | |
303 | } else {\r | |
304 | //\r | |
305 | // check for "-?"\r | |
306 | //\r | |
307 | if (ShellCommandLineGetFlag(Package, L"-?")) {\r | |
308 | ASSERT(FALSE);\r | |
309 | }\r | |
310 | if (ShellCommandLineGetRawValue(Package, 1) == NULL) {\r | |
311 | //\r | |
312 | // we insufficient parameters\r | |
313 | //\r | |
099e8ff5 | 314 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle, L"rm"); \r |
a405b86d | 315 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
316 | } else {\r | |
317 | //\r | |
318 | // get a list with each file specified by parameters\r | |
319 | // if parameter is a directory then add all the files below it to the list\r | |
320 | //\r | |
321 | for ( ParamCount = 1, Param = ShellCommandLineGetRawValue(Package, ParamCount)\r | |
322 | ; Param != NULL\r | |
323 | ; ParamCount++, Param = ShellCommandLineGetRawValue(Package, ParamCount)\r | |
324 | ){\r | |
325 | Status = ShellOpenFileMetaArg((CHAR16*)Param, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList);\r | |
326 | if (EFI_ERROR(Status) || FileList == NULL || IsListEmpty(&FileList->Link)) {\r | |
099e8ff5 | 327 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel2HiiHandle, L"rm", (CHAR16*)Param); \r |
a405b86d | 328 | ShellStatus = SHELL_NOT_FOUND;\r |
329 | break;\r | |
330 | }\r | |
331 | }\r | |
332 | \r | |
333 | if (ShellStatus == SHELL_SUCCESS){\r | |
334 | //\r | |
335 | // loop through the list and make sure we are not aborting...\r | |
336 | //\r | |
337 | for ( Node = (EFI_SHELL_FILE_INFO*)GetFirstNode(&FileList->Link)\r | |
338 | ; !IsNull(&FileList->Link, &Node->Link) && !ShellGetExecutionBreakFlag()\r | |
339 | ; Node = (EFI_SHELL_FILE_INFO*)GetNextNode(&FileList->Link, &Node->Link)\r | |
340 | ){\r | |
341 | //\r | |
342 | // skip the directory traversing stuff...\r | |
343 | //\r | |
344 | if (StrCmp(Node->FileName, L".") == 0 || StrCmp(Node->FileName, L"..") == 0) {\r | |
345 | continue;\r | |
346 | }\r | |
347 | \r | |
348 | //\r | |
349 | // do the deleting of nodes\r | |
350 | //\r | |
351 | if (EFI_ERROR(Node->Status)){\r | |
352 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR2), gShellLevel2HiiHandle, Node->Status);\r | |
353 | ShellStatus = SHELL_ACCESS_DENIED;\r | |
354 | break;\r | |
355 | }\r | |
356 | if (!IsValidDeleteTarget(FileList, Node, Package)) {\r | |
357 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR3), gShellLevel2HiiHandle, Node->FullName);\r | |
358 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
359 | break;\r | |
360 | }\r | |
361 | \r | |
362 | ShellStatus = CascadeDelete(Node, ShellCommandLineGetFlag(Package, L"-q"));\r | |
363 | }\r | |
364 | }\r | |
365 | //\r | |
366 | // Free the fileList\r | |
367 | //\r | |
368 | if (FileList != NULL) {\r | |
369 | Status = ShellCloseFileMetaArg(&FileList);\r | |
370 | }\r | |
371 | FileList = NULL;\r | |
372 | }\r | |
373 | \r | |
374 | //\r | |
375 | // free the command line package\r | |
376 | //\r | |
377 | ShellCommandLineFreeVarList (Package);\r | |
378 | }\r | |
379 | \r | |
380 | return (ShellStatus);\r | |
381 | }\r | |
382 | \r |