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a405b86d | 1 | /** @file\r |
2 | Main file for attrib shell level 2 function.\r | |
3 | \r | |
a7ea752e | 4 | (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r |
c011b6c9 | 5 | (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r |
630cb850 | 6 | Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r |
b1df6c25 | 7 | Copyright (c) 2018, Dell Technologies. All rights reserved.<BR>\r |
a405b86d | 8 | This program and the accompanying materials\r |
9 | are licensed and made available under the terms and conditions of the BSD License\r | |
10 | which accompanies this distribution. The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.php\r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
15 | \r | |
16 | **/\r | |
17 | \r | |
18 | #include "UefiShellLevel2CommandsLib.h"\r | |
19 | \r | |
d9bb3ca3 RN |
20 | /**\r |
21 | Function will replace drive identifier with CWD.\r | |
22 | \r | |
23 | If FullPath begining with ':' is invalid path, then ASSERT.\r | |
24 | If FullPath not include dirve identifier , then do nothing.\r | |
25 | If FullPath likes "fs0:\xx" or "fs0:/xx" , then do nothing.\r | |
26 | If FullPath likes "fs0:xxx" or "fs0:", the drive replaced by CWD.\r | |
27 | \r | |
28 | @param[in, out] FullPath The pointer to the string containing the path.\r | |
29 | @param[in] Cwd Current directory.\r | |
30 | \r | |
31 | @retval EFI_SUCCESS Success.\r | |
32 | @retval EFI_OUT_OF_SOURCES A memory allocation failed.\r | |
33 | **/\r | |
34 | EFI_STATUS\r | |
35 | ReplaceDriveWithCwd (\r | |
36 | IN OUT CHAR16 **FullPath,\r | |
37 | IN CONST CHAR16 *Cwd\r | |
38 | )\r | |
39 | {\r | |
40 | CHAR16 *Splitter;\r | |
41 | CHAR16 *TempBuffer;\r | |
42 | UINTN TotalSize;\r | |
43 | \r | |
44 | Splitter = NULL;\r | |
45 | TempBuffer = NULL;\r | |
46 | TotalSize = 0;\r | |
47 | \r | |
48 | if (FullPath == NULL || *FullPath == NULL) {\r | |
49 | return EFI_SUCCESS;\r | |
50 | }\r | |
51 | \r | |
52 | Splitter = StrStr (*FullPath, L":");\r | |
53 | ASSERT(Splitter != *FullPath);\r | |
54 | \r | |
55 | if (Splitter != NULL && *(Splitter + 1) != L'\\' && *(Splitter + 1) != L'/') {\r | |
56 | TotalSize = StrSize (Cwd) + StrSize (Splitter + 1);\r | |
57 | TempBuffer = AllocateZeroPool (TotalSize);\r | |
58 | if (TempBuffer == NULL) {\r | |
59 | return EFI_OUT_OF_RESOURCES;\r | |
60 | }\r | |
61 | \r | |
62 | StrCpyS (TempBuffer, TotalSize / sizeof(CHAR16), Cwd);\r | |
63 | StrCatS (TempBuffer, TotalSize / sizeof(CHAR16), L"\\");\r | |
64 | StrCatS (TempBuffer, TotalSize / sizeof(CHAR16), Splitter + 1);\r | |
65 | \r | |
66 | FreePool(*FullPath);\r | |
67 | *FullPath = TempBuffer;\r | |
68 | }\r | |
69 | \r | |
70 | return EFI_SUCCESS;\r | |
71 | }\r | |
72 | \r | |
73 | /**\r | |
74 | function to determine if FullPath is under current filesystem.\r | |
75 | \r | |
76 | @param[in] FullPath The target location to determine.\r | |
77 | @param[in] Cwd Current directory.\r | |
78 | \r | |
79 | @retval TRUE The FullPath is in the current filesystem.\r | |
80 | @retval FALSE The FullPaht isn't in the current filesystem.\r | |
81 | **/\r | |
82 | BOOLEAN\r | |
83 | IsCurrentFileSystem (\r | |
84 | IN CONST CHAR16 *FullPath,\r | |
85 | IN CONST CHAR16 *Cwd\r | |
86 | )\r | |
87 | {\r | |
88 | CHAR16 *Splitter1;\r | |
89 | CHAR16 *Splitter2;\r | |
90 | \r | |
91 | Splitter1 = NULL;\r | |
92 | Splitter2 = NULL;\r | |
93 | \r | |
94 | ASSERT(FullPath != NULL);\r | |
95 | \r | |
96 | Splitter1 = StrStr (FullPath, L":");\r | |
97 | if (Splitter1 == NULL) {\r | |
98 | return TRUE;\r | |
99 | }\r | |
100 | \r | |
101 | Splitter2 = StrStr (Cwd, L":");\r | |
102 | \r | |
810c635d | 103 | if (((UINTN) Splitter1 - (UINTN) FullPath) != ((UINTN) Splitter2 - (UINTN) Cwd)) {\r |
d9bb3ca3 RN |
104 | return FALSE;\r |
105 | } else {\r | |
630cb850 | 106 | if (StrniCmp (FullPath, Cwd, ((UINTN) Splitter1 - (UINTN) FullPath) / sizeof (CHAR16)) == 0) {\r |
d9bb3ca3 RN |
107 | return TRUE;\r |
108 | } else {\r | |
109 | return FALSE;\r | |
110 | }\r | |
111 | }\r | |
112 | }\r | |
113 | \r | |
114 | /**\r | |
115 | Extract drive string and path string from FullPath.\r | |
116 | \r | |
117 | The caller must be free Drive and Path.\r | |
118 | \r | |
119 | @param[in] FullPath A path to be extracted.\r | |
120 | @param[out] Drive Buffer to save drive identifier.\r | |
121 | @param[out] Path Buffer to save path.\r | |
122 | \r | |
123 | @retval EFI_SUCCESS Success.\r | |
124 | @retval EFI_OUT_OF_RESOUCES A memory allocation failed.\r | |
125 | **/\r | |
126 | EFI_STATUS\r | |
127 | ExtractDriveAndPath (\r | |
128 | IN CONST CHAR16 *FullPath,\r | |
129 | OUT CHAR16 **Drive,\r | |
130 | OUT CHAR16 **Path\r | |
131 | )\r | |
132 | {\r | |
133 | CHAR16 *Splitter;\r | |
134 | \r | |
135 | ASSERT (FullPath != NULL);\r | |
136 | \r | |
137 | Splitter = StrStr (FullPath, L":");\r | |
138 | \r | |
139 | if (Splitter == NULL) {\r | |
140 | *Drive = NULL;\r | |
141 | *Path = AllocateCopyPool (StrSize (FullPath), FullPath);\r | |
142 | if (*Path == NULL) {\r | |
143 | return EFI_OUT_OF_RESOURCES;\r | |
144 | }\r | |
145 | } else {\r | |
146 | if (*(Splitter + 1) == CHAR_NULL) {\r | |
147 | *Drive = AllocateCopyPool (StrSize (FullPath), FullPath);\r | |
148 | *Path = NULL;\r | |
149 | if (*Drive == NULL) {\r | |
150 | return EFI_OUT_OF_RESOURCES;\r | |
151 | }\r | |
152 | } else {\r | |
153 | *Drive = AllocateCopyPool ((Splitter - FullPath + 2) * sizeof(CHAR16), FullPath);\r | |
154 | if (*Drive == NULL) {\r | |
155 | return EFI_OUT_OF_RESOURCES;\r | |
156 | }\r | |
157 | (*Drive)[Splitter - FullPath + 1] = CHAR_NULL;\r | |
158 | \r | |
159 | *Path = AllocateCopyPool (StrSize (Splitter + 1), Splitter + 1);\r | |
160 | if (*Path == NULL) {\r | |
161 | FreePool (*Drive);\r | |
162 | return EFI_OUT_OF_RESOURCES;\r | |
163 | }\r | |
164 | }\r | |
165 | }\r | |
166 | \r | |
167 | return EFI_SUCCESS;\r | |
168 | }\r | |
169 | \r | |
a405b86d | 170 | /**\r |
171 | Function for 'cd' command.\r | |
172 | \r | |
173 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
174 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
175 | **/\r | |
176 | SHELL_STATUS\r | |
177 | EFIAPI\r | |
178 | ShellCommandRunCd (\r | |
179 | IN EFI_HANDLE ImageHandle,\r | |
180 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
181 | )\r | |
182 | {\r | |
183 | EFI_STATUS Status;\r | |
184 | LIST_ENTRY *Package;\r | |
d9bb3ca3 | 185 | CONST CHAR16 *Cwd;\r |
a405b86d | 186 | CHAR16 *Path;\r |
187 | CHAR16 *Drive;\r | |
a405b86d | 188 | CHAR16 *ProblemParam;\r |
189 | SHELL_STATUS ShellStatus;\r | |
a405b86d | 190 | CONST CHAR16 *Param1;\r |
1fc3749d | 191 | CHAR16 *Param1Copy;\r |
d9bb3ca3 RN |
192 | CHAR16 *Walker;\r |
193 | CHAR16 *Splitter;\r | |
194 | CHAR16 *TempBuffer;\r | |
195 | UINTN TotalSize;\r | |
a405b86d | 196 | \r |
d9bb3ca3 RN |
197 | ProblemParam = NULL;\r |
198 | ShellStatus = SHELL_SUCCESS;\r | |
199 | Cwd = NULL;\r | |
200 | Path = NULL;\r | |
201 | Drive = NULL;\r | |
202 | Splitter = NULL;\r | |
203 | TempBuffer = NULL;\r | |
204 | TotalSize = 0;\r | |
a405b86d | 205 | \r |
206 | Status = CommandInit();\r | |
207 | ASSERT_EFI_ERROR(Status);\r | |
208 | \r | |
209 | //\r | |
210 | // initialize the shell lib (we must be in non-auto-init...)\r | |
211 | //\r | |
212 | Status = ShellInitialize();\r | |
213 | ASSERT_EFI_ERROR(Status);\r | |
214 | \r | |
215 | //\r | |
216 | // parse the command line\r | |
217 | //\r | |
218 | Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);\r | |
219 | if (EFI_ERROR(Status)) {\r | |
220 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r | |
ba0014b9 | 221 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"cd", ProblemParam);\r |
a405b86d | 222 | FreePool(ProblemParam);\r |
223 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
224 | } else {\r | |
225 | ASSERT(FALSE);\r | |
226 | }\r | |
227 | }\r | |
228 | \r | |
229 | //\r | |
230 | // check for "-?"\r | |
231 | //\r | |
232 | if (ShellCommandLineGetFlag(Package, L"-?")) {\r | |
233 | ASSERT(FALSE);\r | |
234 | } else if (ShellCommandLineGetRawValue(Package, 2) != NULL) {\r | |
ba0014b9 | 235 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"cd");\r |
a405b86d | 236 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
237 | } else {\r | |
238 | //\r | |
239 | // remember that param 0 is the command name\r | |
240 | // If there are 0 value parameters, then print the current directory\r | |
241 | // else If there are 2 value parameters, then print the error message\r | |
242 | // else If there is 1 value paramerer , then change the directory\r | |
243 | //\r | |
d9bb3ca3 RN |
244 | Cwd = ShellGetCurrentDir (NULL);\r |
245 | if (Cwd == NULL) {\r | |
246 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN(STR_GEN_NO_CWD), gShellLevel2HiiHandle, L"cd");\r | |
247 | ShellStatus = SHELL_NOT_FOUND;\r | |
a405b86d | 248 | } else {\r |
d9bb3ca3 RN |
249 | Param1 = ShellCommandLineGetRawValue (Package, 1);\r |
250 | if (Param1 == NULL) {\r | |
251 | //\r | |
252 | // display the current directory\r | |
253 | //\r | |
254 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN(STR_CD_PRINT), gShellLevel2HiiHandle, Cwd);\r | |
255 | } else {\r | |
256 | Param1Copy = CatSPrint (NULL, L"%s", Param1, NULL);\r | |
257 | for (Walker = Param1Copy; Walker != NULL && *Walker != CHAR_NULL; Walker++) {\r | |
258 | if (*Walker == L'\"') {\r | |
259 | CopyMem (Walker, Walker + 1, StrSize(Walker) - sizeof(Walker[0]));\r | |
a405b86d | 260 | }\r |
d9bb3ca3 RN |
261 | }\r |
262 | \r | |
263 | if (Param1Copy != NULL && IsCurrentFileSystem (Param1Copy, Cwd)) {\r | |
264 | Status = ReplaceDriveWithCwd (&Param1Copy,Cwd);\r | |
d9bb3ca3 | 265 | } else {\r |
a405b86d | 266 | //\r |
d9bb3ca3 | 267 | // Can't use cd command to change filesystem.\r |
a405b86d | 268 | //\r |
d9bb3ca3 RN |
269 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle, L"cd");\r |
270 | Status = EFI_NOT_FOUND;\r | |
271 | }\r | |
272 | \r | |
273 | if (!EFI_ERROR(Status) && Param1Copy != NULL) {\r | |
274 | Splitter = StrStr (Cwd, L":");\r | |
275 | if (Param1Copy[0] == L'\\') {\r | |
a405b86d | 276 | //\r |
d9bb3ca3 | 277 | // Absolute Path on current drive letter.\r |
a405b86d | 278 | //\r |
d9bb3ca3 RN |
279 | TotalSize = ((Splitter - Cwd + 1) * sizeof(CHAR16)) + StrSize(Param1Copy);\r |
280 | TempBuffer = AllocateZeroPool (TotalSize);\r | |
281 | if (TempBuffer == NULL) {\r | |
282 | Status = EFI_OUT_OF_RESOURCES;\r | |
beab0fc5 | 283 | } else {\r |
d9bb3ca3 RN |
284 | StrnCpyS (TempBuffer, TotalSize / sizeof(CHAR16), Cwd, (Splitter - Cwd + 1));\r |
285 | StrCatS (TempBuffer, TotalSize / sizeof(CHAR16), Param1Copy);\r | |
286 | \r | |
287 | FreePool (Param1Copy);\r | |
288 | Param1Copy = TempBuffer;\r | |
289 | TempBuffer = NULL;\r | |
beab0fc5 | 290 | }\r |
d9bb3ca3 RN |
291 | } else {\r |
292 | if (StrStr (Param1Copy,L":") == NULL) {\r | |
293 | TotalSize = StrSize (Cwd) + StrSize (Param1Copy);\r | |
294 | TempBuffer = AllocateZeroPool (TotalSize);\r | |
295 | if (TempBuffer == NULL) {\r | |
296 | Status = EFI_OUT_OF_RESOURCES;\r | |
297 | } else {\r | |
298 | StrCpyS (TempBuffer, TotalSize / sizeof (CHAR16), Cwd);\r | |
299 | StrCatS (TempBuffer, TotalSize / sizeof (CHAR16), L"\\");\r | |
300 | StrCatS (TempBuffer, TotalSize / sizeof (CHAR16), Param1Copy);\r | |
301 | \r | |
302 | FreePool (Param1Copy);\r | |
b1df6c25 JD |
303 | Param1Copy = TempBuffer;\r |
304 | TempBuffer = NULL;\r | |
beab0fc5 | 305 | }\r |
306 | }\r | |
a405b86d | 307 | }\r |
d9bb3ca3 RN |
308 | }\r |
309 | \r | |
310 | if (!EFI_ERROR(Status)) {\r | |
b1df6c25 | 311 | Param1Copy = PathCleanUpDirectories (Param1Copy);\r |
d9bb3ca3 RN |
312 | Status = ExtractDriveAndPath (Param1Copy, &Drive, &Path);\r |
313 | }\r | |
314 | \r | |
315 | if (!EFI_ERROR (Status) && Drive != NULL && Path != NULL) {\r | |
316 | if (EFI_ERROR(ShellIsDirectory (Param1Copy))) {\r | |
317 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN(STR_GEN_NOT_DIR), gShellLevel2HiiHandle, L"cd", Param1Copy);\r | |
318 | ShellStatus = SHELL_NOT_FOUND;\r | |
9ea69f8a | 319 | } else {\r |
d9bb3ca3 RN |
320 | Status = gEfiShellProtocol->SetCurDir (Drive, Path + 1);\r |
321 | if (EFI_ERROR (Status)) {\r | |
322 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN(STR_GEN_DIR_NF), gShellLevel2HiiHandle, L"cd", Param1Copy);\r | |
b54fd049 | 323 | ShellStatus = SHELL_NOT_FOUND;\r |
b54fd049 | 324 | }\r |
9ea69f8a | 325 | }\r |
a405b86d | 326 | }\r |
d9bb3ca3 RN |
327 | \r |
328 | if (Drive != NULL) {\r | |
329 | FreePool (Drive);\r | |
330 | }\r | |
331 | \r | |
332 | if (Path != NULL) {\r | |
333 | FreePool (Path);\r | |
334 | }\r | |
335 | \r | |
336 | FreePool (Param1Copy);\r | |
a405b86d | 337 | }\r |
338 | }\r | |
339 | }\r | |
340 | \r | |
a405b86d | 341 | //\r |
342 | // free the command line package\r | |
343 | //\r | |
344 | ShellCommandLineFreeVarList (Package);\r | |
345 | \r | |
346 | //\r | |
347 | // return the status\r | |
348 | //\r | |
349 | return (ShellStatus);\r | |
350 | }\r | |
351 | \r |