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a405b86d | 1 | /** @file\r |
2 | Main file for attrib shell level 2 function.\r | |
3 | \r | |
a32980dd | 4 | Copyright (c) 2009 - 2012, 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 | |
36 | EFI_STATUS Status;\r | |
37 | EFI_FILE_INFO *FileInfo;\r | |
38 | BOOLEAN NoFile;\r | |
39 | BOOLEAN RetVal;\r | |
40 | \r | |
41 | RetVal = TRUE;\r | |
42 | NoFile = FALSE;\r | |
43 | \r | |
44 | for (Status = FileHandleFindFirstFile(FileHandle, &FileInfo)\r | |
45 | ; !NoFile\r | |
46 | ; Status = FileHandleFindNextFile(FileHandle, FileInfo, &NoFile)\r | |
47 | ){\r | |
48 | if (StrStr(FileInfo->FileName, L".") != FileInfo->FileName\r | |
49 | &&StrStr(FileInfo->FileName, L"..") != FileInfo->FileName) {\r | |
50 | RetVal = FALSE;\r | |
51 | }\r | |
52 | }\r | |
53 | return (RetVal);\r | |
54 | }\r | |
55 | \r | |
b54fd049 | 56 | /**\r |
57 | Delete a node and all nodes under it (including sub directories).\r | |
58 | \r | |
59 | @param[in] Node The node to start deleting with.\r | |
60 | @param[in] Quiet TRUE to print no messages.\r | |
61 | \r | |
62 | @retval SHELL_SUCCESS The operation was successful.\r | |
63 | @retval SHELL_ACCESS_DENIED A file was read only.\r | |
64 | @retval SHELL_ABORTED The abort message was received.\r | |
65 | @retval SHELL_DEVICE_ERROR A device error occured reading this Node.\r | |
66 | **/\r | |
a405b86d | 67 | SHELL_STATUS\r |
68 | EFIAPI\r | |
69 | CascadeDelete(\r | |
70 | IN EFI_SHELL_FILE_INFO *Node,\r | |
71 | IN CONST BOOLEAN Quiet\r | |
72 | )\r | |
73 | {\r | |
74 | SHELL_STATUS ShellStatus;\r | |
75 | EFI_SHELL_FILE_INFO *List;\r | |
76 | EFI_SHELL_FILE_INFO *Node2;\r | |
77 | EFI_STATUS Status;\r | |
78 | SHELL_PROMPT_RESPONSE *Resp;\r | |
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 | |
95 | ASSERT_EFI_ERROR(Status);\r | |
96 | ASSERT(Resp != NULL);\r | |
97 | if (EFI_ERROR(Status) || *Resp != ShellPromptResponseYes) {\r | |
98 | SHELL_FREE_NON_NULL(Resp);\r | |
99 | return (SHELL_ABORTED);\r | |
100 | }\r | |
101 | SHELL_FREE_NON_NULL(Resp);\r | |
102 | }\r | |
103 | //\r | |
104 | // empty out the directory\r | |
105 | //\r | |
106 | Status = gEfiShellProtocol->FindFilesInDir(Node->Handle, &List);\r | |
107 | if (EFI_ERROR(Status)) {\r | |
108 | if (List!=NULL) {\r | |
109 | gEfiShellProtocol->FreeFileList(&List);\r | |
110 | }\r | |
111 | return (SHELL_DEVICE_ERROR);\r | |
112 | }\r | |
113 | for (Node2 = (EFI_SHELL_FILE_INFO *)GetFirstNode(&List->Link)\r | |
114 | ; !IsNull(&List->Link, &Node2->Link)\r | |
115 | ; Node2 = (EFI_SHELL_FILE_INFO *)GetNextNode(&List->Link, &Node2->Link)\r | |
116 | ){\r | |
117 | //\r | |
118 | // skip the directory traversing stuff...\r | |
119 | //\r | |
120 | if (StrCmp(Node2->FileName, L".") == 0 || StrCmp(Node2->FileName, L"..") == 0) {\r | |
121 | continue;\r | |
122 | }\r | |
123 | Node2->Status = gEfiShellProtocol->OpenFileByName (Node2->FullName, &Node2->Handle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE);\r | |
124 | ShellStatus = CascadeDelete(Node2, Quiet);\r | |
125 | if (ShellStatus != SHELL_SUCCESS) {\r | |
126 | if (List!=NULL) {\r | |
127 | gEfiShellProtocol->FreeFileList(&List);\r | |
128 | }\r | |
129 | return (ShellStatus);\r | |
130 | }\r | |
131 | }\r | |
132 | if (List!=NULL) {\r | |
133 | gEfiShellProtocol->FreeFileList(&List);\r | |
134 | }\r | |
135 | }\r | |
136 | }\r | |
137 | \r | |
138 | if (!(StrCmp(Node->FileName, L".") == 0 || StrCmp(Node->FileName, L"..") == 0)) {\r | |
139 | //\r | |
140 | // now delete the current node...\r | |
141 | //\r | |
142 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE), gShellLevel2HiiHandle, Node->FullName);\r | |
143 | Status = gEfiShellProtocol->DeleteFile(Node->Handle);\r | |
144 | Node->Handle = NULL;\r | |
145 | }\r | |
146 | \r | |
147 | //\r | |
b54fd049 | 148 | // We cant allow for the warning here! (Dont use EFI_ERROR Macro).\r |
a405b86d | 149 | //\r |
150 | if (Status != EFI_SUCCESS){\r | |
151 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR), gShellLevel2HiiHandle, Status);\r | |
152 | return (SHELL_ACCESS_DENIED);\r | |
153 | } else {\r | |
154 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_COMP), gShellLevel2HiiHandle);\r | |
155 | return (SHELL_SUCCESS);\r | |
156 | }\r | |
157 | }\r | |
158 | \r | |
b54fd049 | 159 | /**\r |
160 | Determins if a Node is a valid delete target. Will prevent deleting the root directory.\r | |
161 | \r | |
162 | @param[in] List RESERVED. Not used.\r | |
163 | @param[in] Node The node to analyze.\r | |
164 | @param[in] Package RESERVED. Not used.\r | |
165 | **/\r | |
a405b86d | 166 | BOOLEAN\r |
167 | EFIAPI\r | |
168 | IsValidDeleteTarget(\r | |
169 | IN CONST EFI_SHELL_FILE_INFO *List,\r | |
170 | IN CONST EFI_SHELL_FILE_INFO *Node,\r | |
171 | IN CONST LIST_ENTRY *Package\r | |
172 | )\r | |
173 | {\r | |
174 | CONST CHAR16 *TempLocation;\r | |
eef1ed46 | 175 | BOOLEAN RetVal;\r |
176 | CHAR16 *SearchString;\r | |
177 | CHAR16 *Pattern;\r | |
a405b86d | 178 | UINTN Size;\r |
179 | \r | |
eef1ed46 | 180 | if (Node == NULL || Node->FullName == NULL) {\r |
181 | return (FALSE);\r | |
182 | }\r | |
183 | \r | |
a405b86d | 184 | TempLocation = StrStr(Node->FullName, L":");\r |
eef1ed46 | 185 | if (StrLen(TempLocation) <= 2) {\r |
a405b86d | 186 | //\r |
187 | // Deleting the root directory is invalid.\r | |
188 | //\r | |
189 | return (FALSE);\r | |
190 | }\r | |
eef1ed46 | 191 | \r |
a405b86d | 192 | TempLocation = ShellGetCurrentDir(NULL);\r |
eef1ed46 | 193 | if (TempLocation == NULL) {\r |
194 | //\r | |
195 | // No working directory is specified so whatever is left is ok.\r | |
196 | //\r | |
197 | return (TRUE);\r | |
a405b86d | 198 | }\r |
a405b86d | 199 | \r |
eef1ed46 | 200 | Pattern = NULL;\r |
201 | SearchString = NULL;\r | |
202 | Size = 0;\r | |
203 | Pattern = StrnCatGrow(&Pattern , NULL, TempLocation , 0);\r | |
204 | SearchString = StrnCatGrow(&SearchString, &Size, Node->FullName, 0);\r | |
a32980dd | 205 | if (!EFI_ERROR(ShellIsDirectory(SearchString))) {\r |
206 | SearchString = StrnCatGrow(&SearchString, &Size, L"\\", 0);\r | |
207 | SearchString = StrnCatGrow(&SearchString, &Size, L"*", 0);\r | |
208 | }\r | |
eef1ed46 | 209 | \r |
210 | if (Pattern == NULL || SearchString == NULL) {\r | |
211 | RetVal = FALSE;\r | |
212 | } else {\r | |
213 | RetVal = TRUE;\r | |
214 | if (gUnicodeCollation->MetaiMatch(gUnicodeCollation, Pattern, SearchString)) {\r | |
215 | RetVal = FALSE;\r | |
216 | }\r | |
217 | }\r | |
218 | \r | |
219 | SHELL_FREE_NON_NULL(Pattern );\r | |
220 | SHELL_FREE_NON_NULL(SearchString);\r | |
221 | \r | |
222 | return (RetVal);\r | |
a405b86d | 223 | }\r |
224 | \r | |
225 | /**\r | |
226 | Function for 'rm' command.\r | |
227 | \r | |
228 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
229 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
230 | **/\r | |
231 | SHELL_STATUS\r | |
232 | EFIAPI\r | |
233 | ShellCommandRunRm (\r | |
234 | IN EFI_HANDLE ImageHandle,\r | |
235 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
236 | )\r | |
237 | {\r | |
238 | EFI_STATUS Status;\r | |
239 | LIST_ENTRY *Package;\r | |
240 | CHAR16 *ProblemParam;\r | |
241 | CONST CHAR16 *Param;\r | |
242 | SHELL_STATUS ShellStatus;\r | |
243 | UINTN ParamCount;\r | |
244 | EFI_SHELL_FILE_INFO *FileList;\r | |
245 | EFI_SHELL_FILE_INFO *Node;\r | |
246 | \r | |
247 | ProblemParam = NULL;\r | |
248 | ShellStatus = SHELL_SUCCESS;\r | |
249 | ParamCount = 0;\r | |
250 | FileList = NULL;\r | |
251 | \r | |
252 | //\r | |
253 | // initialize the shell lib (we must be in non-auto-init...)\r | |
254 | //\r | |
255 | Status = ShellInitialize();\r | |
256 | ASSERT_EFI_ERROR(Status);\r | |
257 | \r | |
258 | //\r | |
259 | // parse the command line\r | |
260 | //\r | |
261 | Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r | |
262 | if (EFI_ERROR(Status)) {\r | |
263 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r | |
264 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, ProblemParam);\r | |
265 | FreePool(ProblemParam);\r | |
266 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
267 | } else {\r | |
268 | ASSERT(FALSE);\r | |
269 | }\r | |
270 | } else {\r | |
271 | //\r | |
272 | // check for "-?"\r | |
273 | //\r | |
274 | if (ShellCommandLineGetFlag(Package, L"-?")) {\r | |
275 | ASSERT(FALSE);\r | |
276 | }\r | |
277 | if (ShellCommandLineGetRawValue(Package, 1) == NULL) {\r | |
278 | //\r | |
279 | // we insufficient parameters\r | |
280 | //\r | |
281 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle);\r | |
282 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
283 | } else {\r | |
284 | //\r | |
285 | // get a list with each file specified by parameters\r | |
286 | // if parameter is a directory then add all the files below it to the list\r | |
287 | //\r | |
288 | for ( ParamCount = 1, Param = ShellCommandLineGetRawValue(Package, ParamCount)\r | |
289 | ; Param != NULL\r | |
290 | ; ParamCount++, Param = ShellCommandLineGetRawValue(Package, ParamCount)\r | |
291 | ){\r | |
292 | Status = ShellOpenFileMetaArg((CHAR16*)Param, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList);\r | |
293 | if (EFI_ERROR(Status) || FileList == NULL || IsListEmpty(&FileList->Link)) {\r | |
294 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel2HiiHandle, (CHAR16*)Param);\r | |
295 | ShellStatus = SHELL_NOT_FOUND;\r | |
296 | break;\r | |
297 | }\r | |
298 | }\r | |
299 | \r | |
300 | if (ShellStatus == SHELL_SUCCESS){\r | |
301 | //\r | |
302 | // loop through the list and make sure we are not aborting...\r | |
303 | //\r | |
304 | for ( Node = (EFI_SHELL_FILE_INFO*)GetFirstNode(&FileList->Link)\r | |
305 | ; !IsNull(&FileList->Link, &Node->Link) && !ShellGetExecutionBreakFlag()\r | |
306 | ; Node = (EFI_SHELL_FILE_INFO*)GetNextNode(&FileList->Link, &Node->Link)\r | |
307 | ){\r | |
308 | //\r | |
309 | // skip the directory traversing stuff...\r | |
310 | //\r | |
311 | if (StrCmp(Node->FileName, L".") == 0 || StrCmp(Node->FileName, L"..") == 0) {\r | |
312 | continue;\r | |
313 | }\r | |
314 | \r | |
315 | //\r | |
316 | // do the deleting of nodes\r | |
317 | //\r | |
318 | if (EFI_ERROR(Node->Status)){\r | |
319 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR2), gShellLevel2HiiHandle, Node->Status);\r | |
320 | ShellStatus = SHELL_ACCESS_DENIED;\r | |
321 | break;\r | |
322 | }\r | |
323 | if (!IsValidDeleteTarget(FileList, Node, Package)) {\r | |
324 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR3), gShellLevel2HiiHandle, Node->FullName);\r | |
325 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
326 | break;\r | |
327 | }\r | |
328 | \r | |
329 | ShellStatus = CascadeDelete(Node, ShellCommandLineGetFlag(Package, L"-q"));\r | |
330 | }\r | |
331 | }\r | |
332 | //\r | |
333 | // Free the fileList\r | |
334 | //\r | |
335 | if (FileList != NULL) {\r | |
336 | Status = ShellCloseFileMetaArg(&FileList);\r | |
337 | }\r | |
338 | FileList = NULL;\r | |
339 | }\r | |
340 | \r | |
341 | //\r | |
342 | // free the command line package\r | |
343 | //\r | |
344 | ShellCommandLineFreeVarList (Package);\r | |
345 | }\r | |
346 | \r | |
347 | return (ShellStatus);\r | |
348 | }\r | |
349 | \r |