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a405b86d | 1 | /** @file\r |
2 | Main file for Type shell level 3 function.\r | |
3 | \r | |
a4883d4c | 4 | Copyright (c) 2013, Hewlett-Packard Development Company, L.P.\r |
345cd235 | 5 | Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved. <BR>\r |
a405b86d | 6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "UefiShellLevel3CommandsLib.h"\r | |
17 | \r | |
18 | #include <Library/ShellLib.h>\r | |
19 | \r | |
345cd235 | 20 | /**\r |
21 | Display a single file to StdOut.\r | |
22 | \r | |
23 | If both Ascii and UCS2 are FALSE attempt to discover the file type.\r | |
24 | \r | |
25 | @param[in] Handle The handle to the file to display.\r | |
26 | @param[in] Ascii TRUE to force ASCII, FALSE othewise.\r | |
27 | @param[in] UCS2 TRUE to force UCS2, FALSE othewise.\r | |
28 | \r | |
29 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
30 | @retval EFI_SUCCESS The operation was successful.\r | |
31 | **/\r | |
a405b86d | 32 | EFI_STATUS\r |
33 | EFIAPI\r | |
34 | TypeFileByHandle (\r | |
a4883d4c CP |
35 | IN SHELL_FILE_HANDLE Handle,\r |
36 | IN BOOLEAN Ascii,\r | |
37 | IN BOOLEAN UCS2\r | |
a405b86d | 38 | )\r |
39 | {\r | |
40 | UINTN ReadSize;\r | |
41 | VOID *Buffer;\r | |
a4883d4c | 42 | VOID *AllocatedBuffer;\r |
a405b86d | 43 | EFI_STATUS Status;\r |
44 | UINTN LoopVar;\r | |
a4883d4c | 45 | UINTN LoopSize;\r |
a405b86d | 46 | CHAR16 AsciiChar;\r |
a4883d4c | 47 | CHAR16 Ucs2Char;\r |
a405b86d | 48 | \r |
433a21cb | 49 | ReadSize = PcdGet32(PcdShellFileOperationSize);\r |
a4883d4c CP |
50 | AllocatedBuffer = AllocateZeroPool(ReadSize);\r |
51 | if (AllocatedBuffer == NULL) {\r | |
a405b86d | 52 | return (EFI_OUT_OF_RESOURCES);\r |
53 | }\r | |
54 | \r | |
55 | Status = ShellSetFilePosition(Handle, 0);\r | |
56 | ASSERT_EFI_ERROR(Status);\r | |
57 | \r | |
a4883d4c CP |
58 | while (ReadSize == ((UINTN)PcdGet32(PcdShellFileOperationSize))) {\r |
59 | Buffer = AllocatedBuffer;\r | |
a405b86d | 60 | ZeroMem(Buffer, ReadSize);\r |
61 | Status = ShellReadFile(Handle, &ReadSize, Buffer);\r | |
62 | if (EFI_ERROR(Status)){\r | |
63 | break;\r | |
64 | }\r | |
65 | \r | |
a4883d4c | 66 | if (!(Ascii|UCS2)) {\r |
345cd235 | 67 | if (*(UINT16*)Buffer == gUnicodeFileTag) {\r |
a405b86d | 68 | UCS2 = TRUE;\r |
a405b86d | 69 | } else {\r |
70 | Ascii = TRUE;\r | |
71 | }\r | |
72 | }\r | |
73 | \r | |
a4883d4c CP |
74 | if (Ascii) {\r |
75 | LoopSize = ReadSize;\r | |
76 | for (LoopVar = 0 ; LoopVar < LoopSize ; LoopVar++) {\r | |
77 | //\r | |
78 | // The valid range of ASCII characters is 0x20-0x7E.\r | |
79 | // Display "." when there is an invalid character.\r | |
80 | //\r | |
81 | AsciiChar = CHAR_NULL;\r | |
82 | AsciiChar = ((CHAR8*)Buffer)[LoopVar];\r | |
83 | if (AsciiChar == '\r' || AsciiChar == '\n') {\r | |
84 | //\r | |
85 | // Allow Line Feed (LF) (0xA) & Carriage Return (CR) (0xD)\r | |
86 | // characters to be displayed as is.\r | |
87 | // \r | |
88 | if (AsciiChar == '\n' && ((CHAR8*)Buffer)[LoopVar-1] != '\r') {\r | |
89 | //\r | |
90 | // In case Line Feed (0xA) is encountered & Carriage Return (0xD)\r | |
91 | // was not the previous character, print CR and LF. This is because\r | |
92 | // Shell 2.0 requires carriage return with line feed for displaying\r | |
93 | // each new line from left.\r | |
94 | //\r | |
95 | ShellPrintEx (-1, -1, L"\r\n");\r | |
96 | continue;\r | |
97 | }\r | |
98 | } else {\r | |
99 | //\r | |
100 | // For all other characters which are not printable, display '.'\r | |
101 | //\r | |
102 | if (AsciiChar < 0x20 || AsciiChar >= 0x7F) {\r | |
103 | AsciiChar = '.';\r | |
104 | }\r | |
105 | }\r | |
106 | ShellPrintEx (-1, -1, L"%c", AsciiChar);\r | |
a405b86d | 107 | }\r |
108 | } else {\r | |
a4883d4c CP |
109 | if (*(UINT16*)Buffer == gUnicodeFileTag) {\r |
110 | //\r | |
111 | // For unicode files, skip displaying the byte order marker.\r | |
112 | //\r | |
113 | Buffer = ((UINT16*)Buffer) + 1;\r | |
114 | LoopSize = (ReadSize / (sizeof (CHAR16))) - 1;\r | |
115 | } else {\r | |
116 | LoopSize = ReadSize / (sizeof (CHAR16));\r | |
117 | }\r | |
118 | \r | |
119 | for (LoopVar = 0 ; LoopVar < LoopSize ; LoopVar++) {\r | |
120 | //\r | |
121 | // An invalid range of characters is 0x0-0x1F.\r | |
122 | // Display "." when there is an invalid character.\r | |
123 | //\r | |
124 | Ucs2Char = CHAR_NULL;\r | |
125 | Ucs2Char = ((CHAR16*)Buffer)[LoopVar];\r | |
126 | if (Ucs2Char == '\r' || Ucs2Char == '\n') {\r | |
127 | //\r | |
128 | // Allow Line Feed (LF) (0xA) & Carriage Return (CR) (0xD)\r | |
129 | // characters to be displayed as is.\r | |
130 | // \r | |
131 | if (Ucs2Char == '\n' && ((CHAR16*)Buffer)[LoopVar-1] != '\r') {\r | |
132 | //\r | |
133 | // In case Line Feed (0xA) is encountered & Carriage Return (0xD)\r | |
134 | // was not the previous character, print CR and LF. This is because\r | |
135 | // Shell 2.0 requires carriage return with line feed for displaying\r | |
136 | // each new line from left.\r | |
137 | //\r | |
138 | ShellPrintEx (-1, -1, L"\r\n");\r | |
139 | continue;\r | |
140 | }\r | |
141 | } \r | |
142 | else if (Ucs2Char < 0x20) {\r | |
143 | //\r | |
144 | // For all other characters which are not printable, display '.'\r | |
145 | //\r | |
146 | Ucs2Char = L'.';\r | |
147 | }\r | |
148 | ShellPrintEx (-1, -1, L"%c", Ucs2Char);\r | |
149 | }\r | |
150 | }\r | |
151 | \r | |
152 | if (ShellGetExecutionBreakFlag()) {\r | |
153 | break;\r | |
a405b86d | 154 | }\r |
155 | }\r | |
a4883d4c CP |
156 | FreePool (AllocatedBuffer);\r |
157 | ShellPrintEx (-1, -1, L"\r\n");\r | |
a405b86d | 158 | return (Status);\r |
159 | }\r | |
160 | \r | |
161 | STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r | |
162 | {L"-a", TypeFlag},\r | |
163 | {L"-u", TypeFlag},\r | |
164 | {NULL, TypeMax}\r | |
165 | };\r | |
166 | \r | |
167 | /**\r | |
168 | Function for 'type' command.\r | |
169 | \r | |
170 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
171 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
172 | **/\r | |
173 | SHELL_STATUS\r | |
174 | EFIAPI\r | |
175 | ShellCommandRunType (\r | |
176 | IN EFI_HANDLE ImageHandle,\r | |
177 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
178 | )\r | |
179 | {\r | |
180 | EFI_STATUS Status;\r | |
181 | LIST_ENTRY *Package;\r | |
182 | CHAR16 *ProblemParam;\r | |
183 | CONST CHAR16 *Param;\r | |
184 | SHELL_STATUS ShellStatus;\r | |
185 | UINTN ParamCount;\r | |
186 | EFI_SHELL_FILE_INFO *FileList;\r | |
187 | EFI_SHELL_FILE_INFO *Node;\r | |
188 | BOOLEAN AsciiMode;\r | |
189 | BOOLEAN UnicodeMode;\r | |
190 | \r | |
191 | ProblemParam = NULL;\r | |
192 | ShellStatus = SHELL_SUCCESS;\r | |
193 | ParamCount = 0;\r | |
194 | FileList = NULL;\r | |
195 | \r | |
196 | //\r | |
197 | // initialize the shell lib (we must be in non-auto-init...)\r | |
198 | //\r | |
199 | Status = ShellInitialize();\r | |
200 | ASSERT_EFI_ERROR(Status);\r | |
201 | \r | |
202 | Status = CommandInit();\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), gShellLevel3HiiHandle, 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 | AsciiMode = ShellCommandLineGetFlag(Package, L"-a");\r | |
225 | UnicodeMode = ShellCommandLineGetFlag(Package, L"-u");\r | |
226 | \r | |
227 | if (AsciiMode && UnicodeMode) {\r | |
228 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"-a & -u");\r | |
229 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
230 | } else if (ShellCommandLineGetRawValue(Package, 1) == NULL) {\r | |
231 | //\r | |
232 | // we insufficient parameters\r | |
233 | //\r | |
234 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel3HiiHandle);\r | |
235 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
236 | } else {\r | |
237 | //\r | |
238 | // get a list with each file specified by parameters\r | |
239 | // if parameter is a directory then add all the files below it to the list\r | |
240 | //\r | |
241 | for ( ParamCount = 1, Param = ShellCommandLineGetRawValue(Package, ParamCount)\r | |
242 | ; Param != NULL\r | |
243 | ; ParamCount++, Param = ShellCommandLineGetRawValue(Package, ParamCount)\r | |
244 | ){\r | |
245 | Status = ShellOpenFileMetaArg((CHAR16*)Param, EFI_FILE_MODE_READ, &FileList);\r | |
246 | if (EFI_ERROR(Status)) {\r | |
345cd235 | 247 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel3HiiHandle, (CHAR16*)Param);\r |
a405b86d | 248 | ShellStatus = SHELL_NOT_FOUND;\r |
249 | break;\r | |
250 | }\r | |
251 | //\r | |
252 | // make sure we completed the param parsing sucessfully...\r | |
253 | // Also make sure that any previous action was sucessful\r | |
254 | //\r | |
255 | if (ShellStatus == SHELL_SUCCESS) {\r | |
256 | //\r | |
257 | // check that we have at least 1 file\r | |
258 | //\r | |
259 | if (FileList == NULL || IsListEmpty(&FileList->Link)) {\r | |
260 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel3HiiHandle, Param);\r | |
261 | continue;\r | |
262 | } else {\r | |
263 | //\r | |
264 | // loop through the list and make sure we are not aborting...\r | |
265 | //\r | |
266 | for ( Node = (EFI_SHELL_FILE_INFO*)GetFirstNode(&FileList->Link)\r | |
267 | ; !IsNull(&FileList->Link, &Node->Link) && !ShellGetExecutionBreakFlag()\r | |
268 | ; Node = (EFI_SHELL_FILE_INFO*)GetNextNode(&FileList->Link, &Node->Link)\r | |
269 | ){\r | |
a4883d4c CP |
270 | \r |
271 | if (ShellGetExecutionBreakFlag()) {\r | |
272 | break;\r | |
273 | }\r | |
274 | \r | |
a405b86d | 275 | //\r |
276 | // make sure the file opened ok\r | |
277 | //\r | |
278 | if (EFI_ERROR(Node->Status)){\r | |
279 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NO_OPEN), gShellLevel3HiiHandle, Node->FileName, Node->Status);\r | |
280 | ShellStatus = SHELL_NOT_FOUND;\r | |
281 | continue;\r | |
282 | }\r | |
283 | \r | |
284 | //\r | |
285 | // make sure its not a directory\r | |
286 | //\r | |
287 | if (FileHandleIsDirectory(Node->Handle) == EFI_SUCCESS) {\r | |
288 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_IS_DIR), gShellLevel3HiiHandle, Node->FileName);\r | |
289 | ShellStatus = SHELL_NOT_FOUND;\r | |
290 | continue;\r | |
291 | }\r | |
292 | \r | |
293 | //\r | |
294 | // do it\r | |
295 | //\r | |
a4883d4c | 296 | Status = TypeFileByHandle (Node->Handle, AsciiMode, UnicodeMode);\r |
a405b86d | 297 | if (EFI_ERROR(Status)) {\r |
298 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_TYP_ERROR), gShellLevel3HiiHandle, Node->FileName, Status);\r | |
299 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
300 | }\r | |
301 | ASSERT(ShellStatus == SHELL_SUCCESS);\r | |
302 | }\r | |
303 | }\r | |
304 | }\r | |
305 | //\r | |
306 | // Free the fileList\r | |
307 | //\r | |
308 | if (FileList != NULL && !IsListEmpty(&FileList->Link)) {\r | |
309 | Status = ShellCloseFileMetaArg(&FileList);\r | |
310 | }\r | |
311 | ASSERT_EFI_ERROR(Status);\r | |
312 | FileList = NULL;\r | |
313 | }\r | |
314 | }\r | |
315 | \r | |
316 | //\r | |
317 | // free the command line package\r | |
318 | //\r | |
319 | ShellCommandLineFreeVarList (Package);\r | |
320 | }\r | |
321 | \r | |
322 | if (ShellGetExecutionBreakFlag()) {\r | |
323 | return (SHELL_ABORTED);\r | |
324 | }\r | |
325 | \r | |
326 | return (ShellStatus);\r | |
327 | }\r | |
328 | \r |