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a405b86d | 1 | /** @file\r |
2 | Main file for attrib shell level 2 function.\r | |
3 | \r | |
4 | Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r | |
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 | |
22 | BOOLEAN\r | |
23 | EFIAPI\r | |
24 | IsDirectoryEmpty (\r | |
25 | IN EFI_HANDLE FileHandle\r | |
26 | )\r | |
27 | {\r | |
28 | EFI_STATUS Status;\r | |
29 | EFI_FILE_INFO *FileInfo;\r | |
30 | BOOLEAN NoFile;\r | |
31 | BOOLEAN RetVal;\r | |
32 | \r | |
33 | RetVal = TRUE;\r | |
34 | NoFile = FALSE;\r | |
35 | \r | |
36 | for (Status = FileHandleFindFirstFile(FileHandle, &FileInfo)\r | |
37 | ; !NoFile\r | |
38 | ; Status = FileHandleFindNextFile(FileHandle, FileInfo, &NoFile)\r | |
39 | ){\r | |
40 | if (StrStr(FileInfo->FileName, L".") != FileInfo->FileName\r | |
41 | &&StrStr(FileInfo->FileName, L"..") != FileInfo->FileName) {\r | |
42 | RetVal = FALSE;\r | |
43 | }\r | |
44 | }\r | |
45 | return (RetVal);\r | |
46 | }\r | |
47 | \r | |
48 | SHELL_STATUS\r | |
49 | EFIAPI\r | |
50 | CascadeDelete(\r | |
51 | IN EFI_SHELL_FILE_INFO *Node,\r | |
52 | IN CONST BOOLEAN Quiet\r | |
53 | )\r | |
54 | {\r | |
55 | SHELL_STATUS ShellStatus;\r | |
56 | EFI_SHELL_FILE_INFO *List;\r | |
57 | EFI_SHELL_FILE_INFO *Node2;\r | |
58 | EFI_STATUS Status;\r | |
59 | SHELL_PROMPT_RESPONSE *Resp;\r | |
60 | \r | |
61 | Resp = NULL;\r | |
62 | ShellStatus = SHELL_SUCCESS;\r | |
63 | List = NULL;\r | |
64 | Status = EFI_SUCCESS;\r | |
65 | \r | |
66 | if ((Node->Info->Attribute & EFI_FILE_READ_ONLY) == EFI_FILE_READ_ONLY) {\r | |
67 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DETELE_RO), gShellLevel2HiiHandle, Node->FullName);\r | |
68 | return (SHELL_ACCESS_DENIED);\r | |
69 | }\r | |
70 | \r | |
71 | if ((Node->Info->Attribute & EFI_FILE_DIRECTORY) == EFI_FILE_DIRECTORY) {\r | |
72 | if (!IsDirectoryEmpty(Node->Handle)) {\r | |
73 | if (!Quiet) {\r | |
74 | Status = ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_RM_LOG_DELETE_CONF), gShellLevel2HiiHandle, Node->FullName);\r | |
75 | Status = ShellPromptForResponse(ShellPromptResponseTypeYesNo, NULL, (VOID**)&Resp);\r | |
76 | ASSERT_EFI_ERROR(Status);\r | |
77 | ASSERT(Resp != NULL);\r | |
78 | if (EFI_ERROR(Status) || *Resp != ShellPromptResponseYes) {\r | |
79 | SHELL_FREE_NON_NULL(Resp);\r | |
80 | return (SHELL_ABORTED);\r | |
81 | }\r | |
82 | SHELL_FREE_NON_NULL(Resp);\r | |
83 | }\r | |
84 | //\r | |
85 | // empty out the directory\r | |
86 | //\r | |
87 | Status = gEfiShellProtocol->FindFilesInDir(Node->Handle, &List);\r | |
88 | if (EFI_ERROR(Status)) {\r | |
89 | if (List!=NULL) {\r | |
90 | gEfiShellProtocol->FreeFileList(&List);\r | |
91 | }\r | |
92 | return (SHELL_DEVICE_ERROR);\r | |
93 | }\r | |
94 | for (Node2 = (EFI_SHELL_FILE_INFO *)GetFirstNode(&List->Link)\r | |
95 | ; !IsNull(&List->Link, &Node2->Link)\r | |
96 | ; Node2 = (EFI_SHELL_FILE_INFO *)GetNextNode(&List->Link, &Node2->Link)\r | |
97 | ){\r | |
98 | //\r | |
99 | // skip the directory traversing stuff...\r | |
100 | //\r | |
101 | if (StrCmp(Node2->FileName, L".") == 0 || StrCmp(Node2->FileName, L"..") == 0) {\r | |
102 | continue;\r | |
103 | }\r | |
104 | Node2->Status = gEfiShellProtocol->OpenFileByName (Node2->FullName, &Node2->Handle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE);\r | |
105 | ShellStatus = CascadeDelete(Node2, Quiet);\r | |
106 | if (ShellStatus != SHELL_SUCCESS) {\r | |
107 | if (List!=NULL) {\r | |
108 | gEfiShellProtocol->FreeFileList(&List);\r | |
109 | }\r | |
110 | return (ShellStatus);\r | |
111 | }\r | |
112 | }\r | |
113 | if (List!=NULL) {\r | |
114 | gEfiShellProtocol->FreeFileList(&List);\r | |
115 | }\r | |
116 | }\r | |
117 | }\r | |
118 | \r | |
119 | if (!(StrCmp(Node->FileName, L".") == 0 || StrCmp(Node->FileName, L"..") == 0)) {\r | |
120 | //\r | |
121 | // now delete the current node...\r | |
122 | //\r | |
123 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE), gShellLevel2HiiHandle, Node->FullName);\r | |
124 | Status = gEfiShellProtocol->DeleteFile(Node->Handle);\r | |
125 | Node->Handle = NULL;\r | |
126 | }\r | |
127 | \r | |
128 | //\r | |
129 | // We cant allow for the warning here!\r | |
130 | //\r | |
131 | if (Status != EFI_SUCCESS){\r | |
132 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR), gShellLevel2HiiHandle, Status);\r | |
133 | return (SHELL_ACCESS_DENIED);\r | |
134 | } else {\r | |
135 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_COMP), gShellLevel2HiiHandle);\r | |
136 | return (SHELL_SUCCESS);\r | |
137 | }\r | |
138 | }\r | |
139 | \r | |
140 | BOOLEAN\r | |
141 | EFIAPI\r | |
142 | IsValidDeleteTarget(\r | |
143 | IN CONST EFI_SHELL_FILE_INFO *List,\r | |
144 | IN CONST EFI_SHELL_FILE_INFO *Node,\r | |
145 | IN CONST LIST_ENTRY *Package\r | |
146 | )\r | |
147 | {\r | |
148 | CONST CHAR16 *TempLocation;\r | |
149 | CHAR16 *Temp2;\r | |
150 | UINTN Size;\r | |
151 | \r | |
152 | TempLocation = StrStr(Node->FullName, L":");\r | |
153 | if (StrLen(TempLocation) == 2) {\r | |
154 | //\r | |
155 | // Deleting the root directory is invalid.\r | |
156 | //\r | |
157 | return (FALSE);\r | |
158 | }\r | |
159 | TempLocation = ShellGetCurrentDir(NULL);\r | |
160 | Size = 0;\r | |
161 | Temp2 = NULL;\r | |
162 | StrnCatGrow(&Temp2, &Size, TempLocation, 0);\r | |
163 | if (StrStr(Temp2, Node->FullName) != NULL) {\r | |
164 | FreePool(Temp2);\r | |
165 | return (FALSE);\r | |
166 | }\r | |
167 | FreePool(Temp2);\r | |
168 | \r | |
169 | return (TRUE);\r | |
170 | }\r | |
171 | \r | |
172 | /**\r | |
173 | Function for 'rm' command.\r | |
174 | \r | |
175 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
176 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
177 | **/\r | |
178 | SHELL_STATUS\r | |
179 | EFIAPI\r | |
180 | ShellCommandRunRm (\r | |
181 | IN EFI_HANDLE ImageHandle,\r | |
182 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
183 | )\r | |
184 | {\r | |
185 | EFI_STATUS Status;\r | |
186 | LIST_ENTRY *Package;\r | |
187 | CHAR16 *ProblemParam;\r | |
188 | CONST CHAR16 *Param;\r | |
189 | SHELL_STATUS ShellStatus;\r | |
190 | UINTN ParamCount;\r | |
191 | EFI_SHELL_FILE_INFO *FileList;\r | |
192 | EFI_SHELL_FILE_INFO *Node;\r | |
193 | \r | |
194 | ProblemParam = NULL;\r | |
195 | ShellStatus = SHELL_SUCCESS;\r | |
196 | ParamCount = 0;\r | |
197 | FileList = NULL;\r | |
198 | \r | |
199 | //\r | |
200 | // initialize the shell lib (we must be in non-auto-init...)\r | |
201 | //\r | |
202 | Status = ShellInitialize();\r | |
203 | ASSERT_EFI_ERROR(Status);\r | |
204 | \r | |
205 | //\r | |
206 | // parse the command line\r | |
207 | //\r | |
208 | Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r | |
209 | if (EFI_ERROR(Status)) {\r | |
210 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r | |
211 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, ProblemParam);\r | |
212 | FreePool(ProblemParam);\r | |
213 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
214 | } else {\r | |
215 | ASSERT(FALSE);\r | |
216 | }\r | |
217 | } else {\r | |
218 | //\r | |
219 | // check for "-?"\r | |
220 | //\r | |
221 | if (ShellCommandLineGetFlag(Package, L"-?")) {\r | |
222 | ASSERT(FALSE);\r | |
223 | }\r | |
224 | if (ShellCommandLineGetRawValue(Package, 1) == NULL) {\r | |
225 | //\r | |
226 | // we insufficient parameters\r | |
227 | //\r | |
228 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle);\r | |
229 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
230 | } else {\r | |
231 | //\r | |
232 | // get a list with each file specified by parameters\r | |
233 | // if parameter is a directory then add all the files below it to the list\r | |
234 | //\r | |
235 | for ( ParamCount = 1, Param = ShellCommandLineGetRawValue(Package, ParamCount)\r | |
236 | ; Param != NULL\r | |
237 | ; ParamCount++, Param = ShellCommandLineGetRawValue(Package, ParamCount)\r | |
238 | ){\r | |
239 | Status = ShellOpenFileMetaArg((CHAR16*)Param, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList);\r | |
240 | if (EFI_ERROR(Status) || FileList == NULL || IsListEmpty(&FileList->Link)) {\r | |
241 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel2HiiHandle, (CHAR16*)Param);\r | |
242 | ShellStatus = SHELL_NOT_FOUND;\r | |
243 | break;\r | |
244 | }\r | |
245 | }\r | |
246 | \r | |
247 | if (ShellStatus == SHELL_SUCCESS){\r | |
248 | //\r | |
249 | // loop through the list and make sure we are not aborting...\r | |
250 | //\r | |
251 | for ( Node = (EFI_SHELL_FILE_INFO*)GetFirstNode(&FileList->Link)\r | |
252 | ; !IsNull(&FileList->Link, &Node->Link) && !ShellGetExecutionBreakFlag()\r | |
253 | ; Node = (EFI_SHELL_FILE_INFO*)GetNextNode(&FileList->Link, &Node->Link)\r | |
254 | ){\r | |
255 | //\r | |
256 | // skip the directory traversing stuff...\r | |
257 | //\r | |
258 | if (StrCmp(Node->FileName, L".") == 0 || StrCmp(Node->FileName, L"..") == 0) {\r | |
259 | continue;\r | |
260 | }\r | |
261 | \r | |
262 | //\r | |
263 | // do the deleting of nodes\r | |
264 | //\r | |
265 | if (EFI_ERROR(Node->Status)){\r | |
266 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR2), gShellLevel2HiiHandle, Node->Status);\r | |
267 | ShellStatus = SHELL_ACCESS_DENIED;\r | |
268 | break;\r | |
269 | }\r | |
270 | if (!IsValidDeleteTarget(FileList, Node, Package)) {\r | |
271 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR3), gShellLevel2HiiHandle, Node->FullName);\r | |
272 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
273 | break;\r | |
274 | }\r | |
275 | \r | |
276 | ShellStatus = CascadeDelete(Node, ShellCommandLineGetFlag(Package, L"-q"));\r | |
277 | }\r | |
278 | }\r | |
279 | //\r | |
280 | // Free the fileList\r | |
281 | //\r | |
282 | if (FileList != NULL) {\r | |
283 | Status = ShellCloseFileMetaArg(&FileList);\r | |
284 | }\r | |
285 | FileList = NULL;\r | |
286 | }\r | |
287 | \r | |
288 | //\r | |
289 | // free the command line package\r | |
290 | //\r | |
291 | ShellCommandLineFreeVarList (Package);\r | |
292 | }\r | |
293 | \r | |
294 | return (ShellStatus);\r | |
295 | }\r | |
296 | \r |