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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 |
a34b7c36 | 6 | Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>\r |
a405b86d | 7 | This program and the accompanying materials\r |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #include "UefiShellLevel2CommandsLib.h"\r | |
18 | \r | |
19 | /**\r | |
20 | Function for 'cd' command.\r | |
21 | \r | |
22 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
23 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
24 | **/\r | |
25 | SHELL_STATUS\r | |
26 | EFIAPI\r | |
27 | ShellCommandRunCd (\r | |
28 | IN EFI_HANDLE ImageHandle,\r | |
29 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
30 | )\r | |
31 | {\r | |
32 | EFI_STATUS Status;\r | |
33 | LIST_ENTRY *Package;\r | |
34 | CONST CHAR16 *Directory;\r | |
fbd2dfad | 35 | CHAR16 *Cwd;\r |
a405b86d | 36 | CHAR16 *Path;\r |
37 | CHAR16 *Drive;\r | |
fbd2dfad | 38 | UINTN CwdSize;\r |
a405b86d | 39 | UINTN DriveSize;\r |
40 | CHAR16 *ProblemParam;\r | |
41 | SHELL_STATUS ShellStatus;\r | |
42 | SHELL_FILE_HANDLE Handle;\r | |
43 | CONST CHAR16 *Param1;\r | |
1fc3749d | 44 | CHAR16 *Param1Copy;\r |
0960ba17 | 45 | CHAR16* Walker;\r |
a405b86d | 46 | \r |
47 | ProblemParam = NULL;\r | |
48 | ShellStatus = SHELL_SUCCESS;\r | |
49 | Drive = NULL;\r | |
50 | DriveSize = 0;\r | |
51 | \r | |
52 | Status = CommandInit();\r | |
53 | ASSERT_EFI_ERROR(Status);\r | |
54 | \r | |
55 | //\r | |
56 | // initialize the shell lib (we must be in non-auto-init...)\r | |
57 | //\r | |
58 | Status = ShellInitialize();\r | |
59 | ASSERT_EFI_ERROR(Status);\r | |
60 | \r | |
61 | //\r | |
62 | // parse the command line\r | |
63 | //\r | |
64 | Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);\r | |
65 | if (EFI_ERROR(Status)) {\r | |
66 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r | |
099e8ff5 | 67 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"cd", ProblemParam); \r |
a405b86d | 68 | FreePool(ProblemParam);\r |
69 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
70 | } else {\r | |
71 | ASSERT(FALSE);\r | |
72 | }\r | |
73 | }\r | |
74 | \r | |
75 | //\r | |
76 | // check for "-?"\r | |
77 | //\r | |
78 | if (ShellCommandLineGetFlag(Package, L"-?")) {\r | |
79 | ASSERT(FALSE);\r | |
80 | } else if (ShellCommandLineGetRawValue(Package, 2) != NULL) {\r | |
099e8ff5 | 81 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"cd"); \r |
a405b86d | 82 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
83 | } else {\r | |
84 | //\r | |
85 | // remember that param 0 is the command name\r | |
86 | // If there are 0 value parameters, then print the current directory\r | |
87 | // else If there are 2 value parameters, then print the error message\r | |
88 | // else If there is 1 value paramerer , then change the directory\r | |
89 | //\r | |
90 | Param1 = ShellCommandLineGetRawValue(Package, 1);\r | |
91 | if (Param1 == NULL) {\r | |
92 | //\r | |
93 | // display the current directory\r | |
94 | //\r | |
95 | Directory = ShellGetCurrentDir(NULL);\r | |
96 | if (Directory != NULL) {\r | |
97 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_PRINT), gShellLevel2HiiHandle, Directory);\r | |
98 | } else {\r | |
099e8ff5 | 99 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle, L"cd"); \r |
a405b86d | 100 | ShellStatus = SHELL_NOT_FOUND;\r |
101 | }\r | |
102 | } else {\r | |
1fc3749d | 103 | Param1Copy = CatSPrint(NULL, L"%s", Param1, NULL);\r |
0960ba17 QS |
104 | for (Walker = Param1Copy; Walker != NULL && *Walker != CHAR_NULL ; Walker++) {\r |
105 | if (*Walker == L'\"') {\r | |
106 | CopyMem(Walker, Walker+1, StrSize(Walker) - sizeof(Walker[0]));\r | |
107 | }\r | |
108 | }\r | |
109 | \r | |
beab0fc5 | 110 | if (Param1Copy != NULL) {\r |
111 | Param1Copy = PathCleanUpDirectories(Param1Copy);\r | |
112 | }\r | |
113 | if (Param1Copy != NULL) {\r | |
114 | if (StrCmp(Param1Copy, L".") == 0) {\r | |
a405b86d | 115 | //\r |
beab0fc5 | 116 | // nothing to do... change to current directory\r |
a405b86d | 117 | //\r |
beab0fc5 | 118 | } else if (StrCmp(Param1Copy, L"..") == 0) {\r |
a405b86d | 119 | //\r |
beab0fc5 | 120 | // Change up one directory...\r |
a405b86d | 121 | //\r |
beab0fc5 | 122 | Directory = ShellGetCurrentDir(NULL);\r |
123 | if (Directory == NULL) {\r | |
099e8ff5 | 124 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle, L"cd"); \r |
a405b86d | 125 | ShellStatus = SHELL_NOT_FOUND;\r |
a405b86d | 126 | } else {\r |
fbd2dfad QS |
127 | CwdSize = StrSize(Directory) + sizeof(CHAR16);\r |
128 | Cwd = AllocateZeroPool(CwdSize);\r | |
a34b7c36 RN |
129 | if (Cwd == NULL) {\r |
130 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellLevel2HiiHandle, L"cd");\r | |
131 | ShellStatus = SHELL_OUT_OF_RESOURCES;\r | |
132 | } else {\r | |
133 | StrCpyS (Cwd, StrSize (Directory) / sizeof (CHAR16) + 1, Directory);\r | |
134 | StrCatS (Cwd, StrSize (Directory) / sizeof (CHAR16) + 1, L"\\");\r | |
135 | Drive = GetFullyQualifiedPath (Cwd);\r | |
136 | PathRemoveLastItem (Drive);\r | |
137 | FreePool (Cwd);\r | |
138 | }\r | |
a405b86d | 139 | }\r |
beab0fc5 | 140 | if (ShellStatus == SHELL_SUCCESS && Drive != NULL) {\r |
141 | //\r | |
142 | // change directory on current drive letter\r | |
143 | //\r | |
144 | Status = gEfiShellProtocol->SetCurDir(NULL, Drive);\r | |
145 | if (Status == EFI_NOT_FOUND) {\r | |
099e8ff5 | 146 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle, L"cd"); \r |
beab0fc5 | 147 | ShellStatus = SHELL_NOT_FOUND;\r |
148 | }\r | |
149 | }\r | |
150 | } else if (StrCmp(Param1Copy, L"\\") == 0) {\r | |
a405b86d | 151 | //\r |
beab0fc5 | 152 | // Move to root of current drive\r |
a405b86d | 153 | //\r |
beab0fc5 | 154 | Directory = ShellGetCurrentDir(NULL);\r |
155 | if (Directory == NULL) {\r | |
099e8ff5 | 156 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle, L"cd"); \r |
a405b86d | 157 | ShellStatus = SHELL_NOT_FOUND;\r |
beab0fc5 | 158 | } else {\r |
fbd2dfad QS |
159 | CwdSize = StrSize(Directory) + sizeof(CHAR16);\r |
160 | Cwd = AllocateZeroPool(CwdSize);\r | |
a34b7c36 RN |
161 | if (Cwd == NULL) {\r |
162 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellLevel2HiiHandle, L"cd");\r | |
163 | ShellStatus = SHELL_OUT_OF_RESOURCES;\r | |
164 | } else {\r | |
165 | StrCpyS (Cwd, StrSize (Directory) / sizeof (CHAR16) + 1, Directory);\r | |
166 | StrCatS (Cwd, StrSize (Directory) / sizeof (CHAR16) + 1, L"\\");\r | |
167 | Drive = GetFullyQualifiedPath (Cwd);\r | |
a7ea752e TS |
168 | while (PathRemoveLastItem (Drive)) {\r |
169 | //\r | |
170 | // Check if Drive contains 'fsx:\' only or still points to a sub-directory.\r | |
171 | // Don't remove trailing '\' from Drive if it points to the root directory.\r | |
172 | //\r | |
173 | Path = StrStr (Drive, L":\\");\r | |
174 | if ((Path != NULL) && (*(Path + 2) == CHAR_NULL)) {\r | |
175 | break;\r | |
176 | }\r | |
177 | }\r | |
a34b7c36 RN |
178 | FreePool (Cwd);\r |
179 | }\r | |
a405b86d | 180 | }\r |
181 | if (ShellStatus == SHELL_SUCCESS && Drive != NULL) {\r | |
182 | //\r | |
183 | // change directory on current drive letter\r | |
184 | //\r | |
185 | Status = gEfiShellProtocol->SetCurDir(NULL, Drive);\r | |
186 | if (Status == EFI_NOT_FOUND) {\r | |
099e8ff5 | 187 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle, L"cd"); \r |
a405b86d | 188 | ShellStatus = SHELL_NOT_FOUND;\r |
189 | }\r | |
190 | }\r | |
beab0fc5 | 191 | } else if (StrStr(Param1Copy, L":") == NULL) {\r |
668a5781 | 192 | //\r |
193 | // change directory without a drive identifier\r | |
194 | //\r | |
beab0fc5 | 195 | if (ShellGetCurrentDir(NULL) == NULL) {\r |
099e8ff5 | 196 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle, L"cd"); \r |
beab0fc5 | 197 | ShellStatus = SHELL_NOT_FOUND;\r |
198 | } else {\r | |
199 | ASSERT((Drive == NULL && DriveSize == 0) || (Drive != NULL));\r | |
200 | Drive = StrnCatGrow(&Drive, &DriveSize, ShellGetCurrentDir(NULL), 0);\r | |
fbd2dfad | 201 | Drive = StrnCatGrow(&Drive, &DriveSize, L"\\", 0);\r |
beab0fc5 | 202 | if (*Param1Copy == L'\\') {\r |
203 | while (PathRemoveLastItem(Drive)) ;\r | |
204 | Drive = StrnCatGrow(&Drive, &DriveSize, Param1Copy+1, 0);\r | |
205 | } else {\r | |
206 | Drive = StrnCatGrow(&Drive, &DriveSize, Param1Copy, 0);\r | |
207 | }\r | |
208 | //\r | |
209 | // Verify that this is a valid directory\r | |
210 | //\r | |
211 | Status = gEfiShellProtocol->OpenFileByName(Drive, &Handle, EFI_FILE_MODE_READ);\r | |
212 | if (EFI_ERROR(Status)) {\r | |
099e8ff5 | 213 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, L"cd", Drive); \r |
beab0fc5 | 214 | ShellStatus = SHELL_NOT_FOUND;\r |
215 | } else if (EFI_ERROR(FileHandleIsDirectory(Handle))) {\r | |
099e8ff5 | 216 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NOT_DIR), gShellLevel2HiiHandle, L"cd", Drive); \r |
beab0fc5 | 217 | ShellStatus = SHELL_NOT_FOUND;\r |
218 | }\r | |
219 | if (ShellStatus == SHELL_SUCCESS && Drive != NULL) {\r | |
220 | //\r | |
221 | // change directory on current drive letter\r | |
222 | //\r | |
223 | Status = gEfiShellProtocol->SetCurDir(NULL, Drive);\r | |
224 | if (Status == EFI_NOT_FOUND) {\r | |
099e8ff5 | 225 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle, L"cd"); \r |
beab0fc5 | 226 | ShellStatus = SHELL_NOT_FOUND;\r |
227 | }\r | |
228 | }\r | |
229 | if (Handle != NULL) {\r | |
230 | gEfiShellProtocol->CloseFile(Handle);\r | |
231 | DEBUG_CODE(Handle = NULL;);\r | |
232 | }\r | |
a405b86d | 233 | }\r |
9ea69f8a | 234 | } else {\r |
beab0fc5 | 235 | //\r |
668a5781 | 236 | // change directory with a drive letter\r |
beab0fc5 | 237 | //\r |
cea5e3b9 | 238 | Drive = AllocateCopyPool(StrSize(Param1Copy), Param1Copy);\r |
beab0fc5 | 239 | if (Drive == NULL) {\r |
099e8ff5 | 240 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_MEM), gShellLevel2HiiHandle, L"cd"); \r |
beab0fc5 | 241 | ShellStatus = SHELL_OUT_OF_RESOURCES;\r |
9ea69f8a | 242 | } else {\r |
beab0fc5 | 243 | Path = StrStr(Drive, L":");\r |
244 | ASSERT(Path != NULL);\r | |
668a5781 | 245 | if (EFI_ERROR(ShellIsDirectory(Param1Copy))) {\r |
099e8ff5 | 246 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NOT_DIR), gShellLevel2HiiHandle, L"cd", Param1Copy); \r |
668a5781 | 247 | ShellStatus = SHELL_NOT_FOUND;\r |
248 | } else if (*(Path+1) == CHAR_NULL) {\r | |
099e8ff5 | 249 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle, L"cd"); \r |
b54fd049 | 250 | ShellStatus = SHELL_NOT_FOUND;\r |
251 | } else {\r | |
beab0fc5 | 252 | *(Path+1) = CHAR_NULL;\r |
253 | if (Path == Drive + StrLen(Drive)) {\r | |
099e8ff5 | 254 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle, L"cd"); \r |
beab0fc5 | 255 | ShellStatus = SHELL_NOT_FOUND;\r |
256 | } else {\r | |
257 | Status = gEfiShellProtocol->SetCurDir(Drive, Path+2);\r | |
258 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_PRINT), gShellLevel2HiiHandle, ShellGetCurrentDir(Drive));\r | |
259 | }\r | |
260 | }\r | |
261 | if (Status == EFI_NOT_FOUND) {\r | |
099e8ff5 | 262 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle, L"cd"); \r |
beab0fc5 | 263 | Status = SHELL_NOT_FOUND;\r |
264 | } else if (EFI_ERROR(Status)) {\r | |
099e8ff5 | 265 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, L"cd", Param1Copy); \r |
beab0fc5 | 266 | Status = SHELL_NOT_FOUND;\r |
b54fd049 | 267 | }\r |
9ea69f8a | 268 | }\r |
a405b86d | 269 | }\r |
270 | }\r | |
1fc3749d | 271 | FreePool(Param1Copy);\r |
a405b86d | 272 | }\r |
273 | }\r | |
274 | \r | |
275 | if (Drive != NULL) {\r | |
276 | FreePool(Drive);\r | |
277 | }\r | |
278 | //\r | |
279 | // free the command line package\r | |
280 | //\r | |
281 | ShellCommandLineFreeVarList (Package);\r | |
282 | \r | |
283 | //\r | |
284 | // return the status\r | |
285 | //\r | |
286 | return (ShellStatus);\r | |
287 | }\r | |
288 | \r |