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a405b86d | 1 | /** @file\r |
2 | Main file for attrib shell level 2 function.\r | |
3 | \r | |
22feb630 | 4 | Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved.<BR>\r |
a405b86d | 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 | #include "UefiShellLevel2CommandsLib.h"\r | |
16 | \r | |
17 | STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r | |
18 | {L"-q", TypeFlag},\r | |
19 | {NULL, TypeMax}\r | |
20 | };\r | |
21 | \r | |
b54fd049 | 22 | /**\r |
23 | Determine if a directory has no files in it.\r | |
24 | \r | |
25 | @param[in] FileHandle The EFI_HANDLE to the directory.\r | |
26 | \r | |
27 | @retval TRUE The directory has no files (or directories).\r | |
28 | @retval FALSE The directory has at least 1 file or directory in it.\r | |
29 | **/\r | |
a405b86d | 30 | BOOLEAN\r |
31 | EFIAPI\r | |
32 | IsDirectoryEmpty (\r | |
33 | IN EFI_HANDLE FileHandle\r | |
34 | )\r | |
35 | {\r | |
a405b86d | 36 | EFI_FILE_INFO *FileInfo;\r |
37 | BOOLEAN NoFile;\r | |
38 | BOOLEAN RetVal;\r | |
39 | \r | |
40 | RetVal = TRUE;\r | |
41 | NoFile = FALSE;\r | |
42 | \r | |
e755a4ca | 43 | for (FileHandleFindFirstFile(FileHandle, &FileInfo)\r |
a405b86d | 44 | ; !NoFile\r |
e755a4ca | 45 | ; FileHandleFindNextFile(FileHandle, FileInfo, &NoFile)\r |
a405b86d | 46 | ){\r |
47 | if (StrStr(FileInfo->FileName, L".") != FileInfo->FileName\r | |
48 | &&StrStr(FileInfo->FileName, L"..") != FileInfo->FileName) {\r | |
49 | RetVal = FALSE;\r | |
50 | }\r | |
51 | }\r | |
52 | return (RetVal);\r | |
53 | }\r | |
54 | \r | |
b54fd049 | 55 | /**\r |
56 | Delete a node and all nodes under it (including sub directories).\r | |
57 | \r | |
58 | @param[in] Node The node to start deleting with.\r | |
59 | @param[in] Quiet TRUE to print no messages.\r | |
60 | \r | |
61 | @retval SHELL_SUCCESS The operation was successful.\r | |
62 | @retval SHELL_ACCESS_DENIED A file was read only.\r | |
63 | @retval SHELL_ABORTED The abort message was received.\r | |
64 | @retval SHELL_DEVICE_ERROR A device error occured reading this Node.\r | |
65 | **/\r | |
a405b86d | 66 | SHELL_STATUS\r |
67 | EFIAPI\r | |
68 | CascadeDelete(\r | |
69 | IN EFI_SHELL_FILE_INFO *Node,\r | |
70 | IN CONST BOOLEAN Quiet\r | |
71 | )\r | |
72 | {\r | |
73 | SHELL_STATUS ShellStatus;\r | |
74 | EFI_SHELL_FILE_INFO *List;\r | |
75 | EFI_SHELL_FILE_INFO *Node2;\r | |
76 | EFI_STATUS Status;\r | |
77 | SHELL_PROMPT_RESPONSE *Resp;\r | |
22feb630 | 78 | CHAR16 *TempName;\r |
a405b86d | 79 | \r |
80 | Resp = NULL;\r | |
81 | ShellStatus = SHELL_SUCCESS;\r | |
82 | List = NULL;\r | |
83 | Status = EFI_SUCCESS;\r | |
84 | \r | |
85 | if ((Node->Info->Attribute & EFI_FILE_READ_ONLY) == EFI_FILE_READ_ONLY) {\r | |
86 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DETELE_RO), gShellLevel2HiiHandle, Node->FullName);\r | |
87 | return (SHELL_ACCESS_DENIED);\r | |
88 | }\r | |
89 | \r | |
90 | if ((Node->Info->Attribute & EFI_FILE_DIRECTORY) == EFI_FILE_DIRECTORY) {\r | |
91 | if (!IsDirectoryEmpty(Node->Handle)) {\r | |
92 | if (!Quiet) {\r | |
93 | Status = ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_RM_LOG_DELETE_CONF), gShellLevel2HiiHandle, Node->FullName);\r | |
94 | Status = ShellPromptForResponse(ShellPromptResponseTypeYesNo, NULL, (VOID**)&Resp);\r | |
a405b86d | 95 | ASSERT(Resp != NULL);\r |
96 | if (EFI_ERROR(Status) || *Resp != ShellPromptResponseYes) {\r | |
97 | SHELL_FREE_NON_NULL(Resp);\r | |
98 | return (SHELL_ABORTED);\r | |
99 | }\r | |
100 | SHELL_FREE_NON_NULL(Resp);\r | |
101 | }\r | |
102 | //\r | |
103 | // empty out the directory\r | |
104 | //\r | |
105 | Status = gEfiShellProtocol->FindFilesInDir(Node->Handle, &List);\r | |
106 | if (EFI_ERROR(Status)) {\r | |
107 | if (List!=NULL) {\r | |
108 | gEfiShellProtocol->FreeFileList(&List);\r | |
109 | }\r | |
110 | return (SHELL_DEVICE_ERROR);\r | |
111 | }\r | |
112 | for (Node2 = (EFI_SHELL_FILE_INFO *)GetFirstNode(&List->Link)\r | |
113 | ; !IsNull(&List->Link, &Node2->Link)\r | |
114 | ; Node2 = (EFI_SHELL_FILE_INFO *)GetNextNode(&List->Link, &Node2->Link)\r | |
115 | ){\r | |
116 | //\r | |
117 | // skip the directory traversing stuff...\r | |
118 | //\r | |
119 | if (StrCmp(Node2->FileName, L".") == 0 || StrCmp(Node2->FileName, L"..") == 0) {\r | |
120 | continue;\r | |
121 | }\r | |
122 | Node2->Status = gEfiShellProtocol->OpenFileByName (Node2->FullName, &Node2->Handle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE);\r | |
22feb630 JC |
123 | if (EFI_ERROR(Node2->Status) && StrStr(Node2->FileName, L":") == NULL) {\r |
124 | //\r | |
125 | // Update the node filename to have full path with file system identifier\r | |
126 | //\r | |
127 | TempName = AllocateZeroPool(StrSize(Node->FullName) + StrSize(Node2->FullName));\r | |
7461437c | 128 | if (TempName == NULL) {\r |
73c5c619 | 129 | ShellStatus = SHELL_OUT_OF_RESOURCES;\r |
7461437c | 130 | } else {\r |
131 | StrCpy(TempName, Node->FullName);\r | |
132 | TempName[StrStr(TempName, L":")+1-TempName] = CHAR_NULL;\r | |
133 | StrCat(TempName, Node2->FullName);\r | |
134 | FreePool((VOID*)Node2->FullName);\r | |
135 | Node2->FullName = TempName;\r | |
136 | \r | |
137 | //\r | |
138 | // Now try again to open the file\r | |
139 | //\r | |
140 | Node2->Status = gEfiShellProtocol->OpenFileByName (Node2->FullName, &Node2->Handle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE);\r | |
141 | }\r | |
142 | }\r | |
143 | if (!EFI_ERROR(Node2->Status)) {\r | |
144 | ShellStatus = CascadeDelete(Node2, Quiet);\r | |
145 | } else if (ShellStatus == SHELL_SUCCESS) {\r | |
75a68c69 | 146 | ShellStatus = (SHELL_STATUS)(Node2->Status&(~0x80000000));\r |
22feb630 | 147 | }\r |
a405b86d | 148 | if (ShellStatus != SHELL_SUCCESS) {\r |
149 | if (List!=NULL) {\r | |
150 | gEfiShellProtocol->FreeFileList(&List);\r | |
151 | }\r | |
152 | return (ShellStatus);\r | |
153 | }\r | |
154 | }\r | |
155 | if (List!=NULL) {\r | |
156 | gEfiShellProtocol->FreeFileList(&List);\r | |
157 | }\r | |
158 | }\r | |
159 | }\r | |
160 | \r | |
161 | if (!(StrCmp(Node->FileName, L".") == 0 || StrCmp(Node->FileName, L"..") == 0)) {\r | |
162 | //\r | |
163 | // now delete the current node...\r | |
164 | //\r | |
165 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE), gShellLevel2HiiHandle, Node->FullName);\r | |
166 | Status = gEfiShellProtocol->DeleteFile(Node->Handle);\r | |
167 | Node->Handle = NULL;\r | |
168 | }\r | |
169 | \r | |
170 | //\r | |
b54fd049 | 171 | // We cant allow for the warning here! (Dont use EFI_ERROR Macro).\r |
a405b86d | 172 | //\r |
173 | if (Status != EFI_SUCCESS){\r | |
174 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR), gShellLevel2HiiHandle, Status);\r | |
175 | return (SHELL_ACCESS_DENIED);\r | |
176 | } else {\r | |
177 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_COMP), gShellLevel2HiiHandle);\r | |
178 | return (SHELL_SUCCESS);\r | |
179 | }\r | |
180 | }\r | |
181 | \r | |
b54fd049 | 182 | /**\r |
183 | Determins if a Node is a valid delete target. Will prevent deleting the root directory.\r | |
184 | \r | |
185 | @param[in] List RESERVED. Not used.\r | |
186 | @param[in] Node The node to analyze.\r | |
187 | @param[in] Package RESERVED. Not used.\r | |
188 | **/\r | |
a405b86d | 189 | BOOLEAN\r |
190 | EFIAPI\r | |
191 | IsValidDeleteTarget(\r | |
192 | IN CONST EFI_SHELL_FILE_INFO *List,\r | |
193 | IN CONST EFI_SHELL_FILE_INFO *Node,\r | |
194 | IN CONST LIST_ENTRY *Package\r | |
195 | )\r | |
196 | {\r | |
197 | CONST CHAR16 *TempLocation;\r | |
eef1ed46 | 198 | BOOLEAN RetVal;\r |
199 | CHAR16 *SearchString;\r | |
200 | CHAR16 *Pattern;\r | |
a405b86d | 201 | UINTN Size;\r |
202 | \r | |
eef1ed46 | 203 | if (Node == NULL || Node->FullName == NULL) {\r |
204 | return (FALSE);\r | |
205 | }\r | |
206 | \r | |
a405b86d | 207 | TempLocation = StrStr(Node->FullName, L":");\r |
eef1ed46 | 208 | if (StrLen(TempLocation) <= 2) {\r |
a405b86d | 209 | //\r |
210 | // Deleting the root directory is invalid.\r | |
211 | //\r | |
212 | return (FALSE);\r | |
213 | }\r | |
eef1ed46 | 214 | \r |
a405b86d | 215 | TempLocation = ShellGetCurrentDir(NULL);\r |
eef1ed46 | 216 | if (TempLocation == NULL) {\r |
217 | //\r | |
218 | // No working directory is specified so whatever is left is ok.\r | |
219 | //\r | |
220 | return (TRUE);\r | |
a405b86d | 221 | }\r |
a405b86d | 222 | \r |
eef1ed46 | 223 | Pattern = NULL;\r |
224 | SearchString = NULL;\r | |
225 | Size = 0;\r | |
226 | Pattern = StrnCatGrow(&Pattern , NULL, TempLocation , 0);\r | |
227 | SearchString = StrnCatGrow(&SearchString, &Size, Node->FullName, 0);\r | |
a32980dd | 228 | if (!EFI_ERROR(ShellIsDirectory(SearchString))) {\r |
229 | SearchString = StrnCatGrow(&SearchString, &Size, L"\\", 0);\r | |
230 | SearchString = StrnCatGrow(&SearchString, &Size, L"*", 0);\r | |
231 | }\r | |
eef1ed46 | 232 | \r |
233 | if (Pattern == NULL || SearchString == NULL) {\r | |
234 | RetVal = FALSE;\r | |
235 | } else {\r | |
236 | RetVal = TRUE;\r | |
237 | if (gUnicodeCollation->MetaiMatch(gUnicodeCollation, Pattern, SearchString)) {\r | |
238 | RetVal = FALSE;\r | |
239 | }\r | |
240 | }\r | |
241 | \r | |
242 | SHELL_FREE_NON_NULL(Pattern );\r | |
243 | SHELL_FREE_NON_NULL(SearchString);\r | |
244 | \r | |
245 | return (RetVal);\r | |
a405b86d | 246 | }\r |
247 | \r | |
248 | /**\r | |
249 | Function for 'rm' command.\r | |
250 | \r | |
251 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
252 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
253 | **/\r | |
254 | SHELL_STATUS\r | |
255 | EFIAPI\r | |
256 | ShellCommandRunRm (\r | |
257 | IN EFI_HANDLE ImageHandle,\r | |
258 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
259 | )\r | |
260 | {\r | |
261 | EFI_STATUS Status;\r | |
262 | LIST_ENTRY *Package;\r | |
263 | CHAR16 *ProblemParam;\r | |
264 | CONST CHAR16 *Param;\r | |
265 | SHELL_STATUS ShellStatus;\r | |
266 | UINTN ParamCount;\r | |
267 | EFI_SHELL_FILE_INFO *FileList;\r | |
268 | EFI_SHELL_FILE_INFO *Node;\r | |
269 | \r | |
270 | ProblemParam = NULL;\r | |
271 | ShellStatus = SHELL_SUCCESS;\r | |
272 | ParamCount = 0;\r | |
273 | FileList = NULL;\r | |
274 | \r | |
275 | //\r | |
276 | // initialize the shell lib (we must be in non-auto-init...)\r | |
277 | //\r | |
278 | Status = ShellInitialize();\r | |
279 | ASSERT_EFI_ERROR(Status);\r | |
280 | \r | |
281 | //\r | |
282 | // parse the command line\r | |
283 | //\r | |
284 | Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r | |
285 | if (EFI_ERROR(Status)) {\r | |
286 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r | |
287 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, ProblemParam);\r | |
288 | FreePool(ProblemParam);\r | |
289 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
290 | } else {\r | |
291 | ASSERT(FALSE);\r | |
292 | }\r | |
293 | } else {\r | |
294 | //\r | |
295 | // check for "-?"\r | |
296 | //\r | |
297 | if (ShellCommandLineGetFlag(Package, L"-?")) {\r | |
298 | ASSERT(FALSE);\r | |
299 | }\r | |
300 | if (ShellCommandLineGetRawValue(Package, 1) == NULL) {\r | |
301 | //\r | |
302 | // we insufficient parameters\r | |
303 | //\r | |
304 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle);\r | |
305 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
306 | } else {\r | |
307 | //\r | |
308 | // get a list with each file specified by parameters\r | |
309 | // if parameter is a directory then add all the files below it to the list\r | |
310 | //\r | |
311 | for ( ParamCount = 1, Param = ShellCommandLineGetRawValue(Package, ParamCount)\r | |
312 | ; Param != NULL\r | |
313 | ; ParamCount++, Param = ShellCommandLineGetRawValue(Package, ParamCount)\r | |
314 | ){\r | |
315 | Status = ShellOpenFileMetaArg((CHAR16*)Param, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList);\r | |
316 | if (EFI_ERROR(Status) || FileList == NULL || IsListEmpty(&FileList->Link)) {\r | |
317 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel2HiiHandle, (CHAR16*)Param);\r | |
318 | ShellStatus = SHELL_NOT_FOUND;\r | |
319 | break;\r | |
320 | }\r | |
321 | }\r | |
322 | \r | |
323 | if (ShellStatus == SHELL_SUCCESS){\r | |
324 | //\r | |
325 | // loop through the list and make sure we are not aborting...\r | |
326 | //\r | |
327 | for ( Node = (EFI_SHELL_FILE_INFO*)GetFirstNode(&FileList->Link)\r | |
328 | ; !IsNull(&FileList->Link, &Node->Link) && !ShellGetExecutionBreakFlag()\r | |
329 | ; Node = (EFI_SHELL_FILE_INFO*)GetNextNode(&FileList->Link, &Node->Link)\r | |
330 | ){\r | |
331 | //\r | |
332 | // skip the directory traversing stuff...\r | |
333 | //\r | |
334 | if (StrCmp(Node->FileName, L".") == 0 || StrCmp(Node->FileName, L"..") == 0) {\r | |
335 | continue;\r | |
336 | }\r | |
337 | \r | |
338 | //\r | |
339 | // do the deleting of nodes\r | |
340 | //\r | |
341 | if (EFI_ERROR(Node->Status)){\r | |
342 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR2), gShellLevel2HiiHandle, Node->Status);\r | |
343 | ShellStatus = SHELL_ACCESS_DENIED;\r | |
344 | break;\r | |
345 | }\r | |
346 | if (!IsValidDeleteTarget(FileList, Node, Package)) {\r | |
347 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR3), gShellLevel2HiiHandle, Node->FullName);\r | |
348 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
349 | break;\r | |
350 | }\r | |
351 | \r | |
352 | ShellStatus = CascadeDelete(Node, ShellCommandLineGetFlag(Package, L"-q"));\r | |
353 | }\r | |
354 | }\r | |
355 | //\r | |
356 | // Free the fileList\r | |
357 | //\r | |
358 | if (FileList != NULL) {\r | |
359 | Status = ShellCloseFileMetaArg(&FileList);\r | |
360 | }\r | |
361 | FileList = NULL;\r | |
362 | }\r | |
363 | \r | |
364 | //\r | |
365 | // free the command line package\r | |
366 | //\r | |
367 | ShellCommandLineFreeVarList (Package);\r | |
368 | }\r | |
369 | \r | |
370 | return (ShellStatus);\r | |
371 | }\r | |
372 | \r |