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5d73d92f | 1 | /** @file\r |
2 | Main file for SetVar shell Debug1 function.\r | |
3 | \r | |
c011b6c9 | 4 | (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r |
475387e9 | 5 | Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>\r |
5d73d92f | 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 "UefiShellDebug1CommandsLib.h"\r | |
17 | \r | |
18 | STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r | |
19 | {L"-guid", TypeValue},\r | |
20 | {L"-bs", TypeFlag},\r | |
21 | {L"-rt", TypeFlag},\r | |
22 | {L"-nv", TypeFlag},\r | |
23 | {NULL, TypeMax}\r | |
24 | };\r | |
25 | \r | |
3737ac2b | 26 | /**\r |
27 | Function for 'setvar' command.\r | |
28 | \r | |
29 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
30 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
31 | **/\r | |
5d73d92f | 32 | SHELL_STATUS\r |
33 | EFIAPI\r | |
34 | ShellCommandRunSetVar (\r | |
35 | IN EFI_HANDLE ImageHandle,\r | |
36 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
37 | )\r | |
38 | {\r | |
39 | EFI_STATUS Status;\r | |
40 | LIST_ENTRY *Package;\r | |
41 | CHAR16 *ProblemParam;\r | |
42 | SHELL_STATUS ShellStatus;\r | |
43 | CONST CHAR16 *VariableName;\r | |
44 | CONST CHAR16 *Data;\r | |
45 | EFI_GUID Guid;\r | |
46 | CONST CHAR16 *StringGuid;\r | |
47 | UINT32 Attributes;\r | |
48 | VOID *Buffer;\r | |
49 | UINTN Size;\r | |
50 | UINTN LoopVar;\r | |
51 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
5d73d92f | 52 | \r |
53 | ShellStatus = SHELL_SUCCESS;\r | |
54 | Status = EFI_SUCCESS;\r | |
55 | Buffer = NULL;\r | |
56 | Size = 0;\r | |
57 | Attributes = 0;\r | |
58 | DevPath = NULL;\r | |
59 | \r | |
60 | //\r | |
61 | // initialize the shell lib (we must be in non-auto-init...)\r | |
62 | //\r | |
63 | Status = ShellInitialize();\r | |
64 | ASSERT_EFI_ERROR(Status);\r | |
65 | \r | |
66 | Status = CommandInit();\r | |
67 | ASSERT_EFI_ERROR(Status);\r | |
68 | \r | |
69 | //\r | |
70 | // parse the command line\r | |
71 | //\r | |
72 | Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r | |
73 | if (EFI_ERROR(Status)) {\r | |
74 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r | |
4092a8f6 | 75 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"setvar", ProblemParam); \r |
5d73d92f | 76 | FreePool(ProblemParam);\r |
77 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
78 | } else {\r | |
79 | ASSERT(FALSE);\r | |
80 | }\r | |
81 | } else {\r | |
82 | if (ShellCommandLineGetCount(Package) < 2) {\r | |
4092a8f6 | 83 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"setvar"); \r |
5d73d92f | 84 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
85 | } else if (ShellCommandLineGetCount(Package) > 3) {\r | |
4092a8f6 | 86 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"setvar"); \r |
5d73d92f | 87 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
88 | } else {\r | |
89 | VariableName = ShellCommandLineGetRawValue(Package, 1);\r | |
90 | Data = ShellCommandLineGetRawValue(Package, 2);\r | |
91 | if (!ShellCommandLineGetFlag(Package, L"-guid")){\r | |
92 | CopyGuid(&Guid, &gEfiGlobalVariableGuid);\r | |
93 | } else {\r | |
94 | StringGuid = ShellCommandLineGetValue(Package, L"-guid");\r | |
95 | Status = ConvertStringToGuid(StringGuid, &Guid);\r | |
96 | if (EFI_ERROR(Status)) {\r | |
4092a8f6 | 97 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"setvar", StringGuid); \r |
3737ac2b | 98 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
5d73d92f | 99 | }\r |
100 | }\r | |
475387e9 | 101 | if (Data == NULL || Data[0] != L'=') {\r |
5d73d92f | 102 | //\r |
103 | // Display what's there\r | |
104 | //\r | |
105 | Status = gRT->GetVariable((CHAR16*)VariableName, &Guid, &Attributes, &Size, Buffer);\r | |
106 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
3737ac2b | 107 | Buffer = AllocateZeroPool(Size);\r |
5d73d92f | 108 | Status = gRT->GetVariable((CHAR16*)VariableName, &Guid, &Attributes, &Size, Buffer);\r |
109 | }\r | |
110 | if (!EFI_ERROR(Status)&& Buffer != NULL) {\r | |
111 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SETVAR_PRINT), gShellDebug1HiiHandle, &Guid, VariableName, Size);\r | |
112 | for (LoopVar = 0 ; LoopVar < Size ; LoopVar++) {\r | |
113 | ShellPrintEx(-1, -1, L"%02x ", ((UINT8*)Buffer)[LoopVar]);\r | |
114 | }\r | |
115 | ShellPrintEx(-1, -1, L"\r\n");\r | |
116 | } else {\r | |
4092a8f6 | 117 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SETVAR_ERROR_GET), gShellDebug1HiiHandle, L"setvar", &Guid, VariableName); \r |
5d73d92f | 118 | ShellStatus = SHELL_ACCESS_DENIED;\r |
119 | }\r | |
120 | } else if (StrCmp(Data, L"=") == 0) {\r | |
121 | //\r | |
122 | // Delete what's there!\r | |
123 | //\r | |
124 | Status = gRT->SetVariable((CHAR16*)VariableName, &Guid, Attributes, 0, NULL);\r | |
125 | if (EFI_ERROR(Status)) {\r | |
4092a8f6 | 126 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SETVAR_ERROR_SET), gShellDebug1HiiHandle, L"setvar", &Guid, VariableName); \r |
5d73d92f | 127 | ShellStatus = SHELL_ACCESS_DENIED;\r |
128 | } else {\r | |
129 | ASSERT(ShellStatus == SHELL_SUCCESS);\r | |
130 | }\r | |
131 | } else {\r | |
5d73d92f | 132 | //\r |
475387e9 | 133 | // Change what's there or create a new one.\r |
5d73d92f | 134 | //\r |
475387e9 JC |
135 | \r |
136 | ASSERT(Data[0] == L'=');\r | |
137 | Data++;\r | |
138 | \r | |
139 | //\r | |
140 | // Determine if the variable exists and get the attributes\r | |
141 | //\r | |
142 | Status = gRT->GetVariable((CHAR16*)VariableName, &Guid, &Attributes, &Size, Buffer);\r | |
143 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
144 | Buffer = AllocateZeroPool(Size);\r | |
145 | Status = gRT->GetVariable((CHAR16*)VariableName, &Guid, &Attributes, &Size, Buffer);\r | |
5d73d92f | 146 | }\r |
475387e9 JC |
147 | \r |
148 | if (EFI_ERROR(Status) || Buffer == NULL) {\r | |
149 | //\r | |
150 | // Creating a new variable. determine attributes from command line.\r | |
151 | //\r | |
152 | Attributes = 0;\r | |
153 | if (ShellCommandLineGetFlag(Package, L"-bs")) {\r | |
154 | Attributes |= EFI_VARIABLE_BOOTSERVICE_ACCESS;\r | |
155 | }\r | |
156 | if (ShellCommandLineGetFlag(Package, L"-rt")) {\r | |
157 | Attributes |= EFI_VARIABLE_RUNTIME_ACCESS |\r | |
158 | EFI_VARIABLE_BOOTSERVICE_ACCESS;\r | |
159 | }\r | |
160 | if (ShellCommandLineGetFlag(Package, L"-nv")) {\r | |
161 | Attributes |= EFI_VARIABLE_NON_VOLATILE;\r | |
162 | }\r | |
5d73d92f | 163 | }\r |
475387e9 JC |
164 | SHELL_FREE_NON_NULL(Buffer);\r |
165 | \r | |
166 | //\r | |
167 | // What type is the new data.\r | |
168 | //\r | |
5d73d92f | 169 | if (ShellIsHexOrDecimalNumber(Data, TRUE, FALSE)) {\r |
3737ac2b | 170 | if (StrLen(Data) % 2 != 0) {\r |
4092a8f6 | 171 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"setvar", Data); \r |
3737ac2b | 172 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
5d73d92f | 173 | } else {\r |
3737ac2b | 174 | //\r |
175 | // arbitrary buffer\r | |
176 | //\r | |
177 | Buffer = AllocateZeroPool((StrLen(Data) / 2));\r | |
33c031ee | 178 | if (Buffer == NULL) {\r |
179 | Status = EFI_OUT_OF_RESOURCES;\r | |
180 | } else {\r | |
181 | for (LoopVar = 0 ; LoopVar < (StrLen(Data) / 2) ; LoopVar++) {\r | |
182 | ((UINT8*)Buffer)[LoopVar] = (UINT8)(HexCharToUintn(Data[LoopVar*2]) * 16);\r | |
183 | ((UINT8*)Buffer)[LoopVar] = (UINT8)(((UINT8*)Buffer)[LoopVar] + HexCharToUintn(Data[LoopVar*2+1]));\r | |
184 | }\r | |
185 | Status = gRT->SetVariable((CHAR16*)VariableName, &Guid, Attributes, StrLen(Data) / 2, Buffer);\r | |
3737ac2b | 186 | }\r |
3737ac2b | 187 | if (EFI_ERROR(Status)) {\r |
4092a8f6 | 188 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SETVAR_ERROR_SET), gShellDebug1HiiHandle, L"setvar", &Guid, VariableName); \r |
3737ac2b | 189 | ShellStatus = SHELL_ACCESS_DENIED;\r |
190 | } else {\r | |
191 | ASSERT(ShellStatus == SHELL_SUCCESS);\r | |
192 | }\r | |
5d73d92f | 193 | }\r |
194 | } else if (StrnCmp(Data, L"\"", 1) == 0) {\r | |
195 | //\r | |
196 | // ascii text\r | |
197 | //\r | |
198 | Data++;\r | |
199 | Buffer = AllocateZeroPool(StrSize(Data) / 2);\r | |
33c031ee | 200 | if (Buffer == NULL) {\r |
201 | Status = EFI_OUT_OF_RESOURCES;\r | |
202 | } else {\r | |
203 | AsciiSPrint(Buffer, StrSize(Data) / 2, "%s", Data);\r | |
204 | ((CHAR8*)Buffer)[AsciiStrLen(Buffer)-1] = CHAR_NULL;\r | |
205 | Status = gRT->SetVariable((CHAR16*)VariableName, &Guid, Attributes, AsciiStrSize(Buffer)-sizeof(CHAR8), Buffer);\r | |
206 | }\r | |
5d73d92f | 207 | if (EFI_ERROR(Status)) {\r |
4092a8f6 | 208 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SETVAR_ERROR_SET), gShellDebug1HiiHandle, L"setvar", &Guid, VariableName); \r |
5d73d92f | 209 | ShellStatus = SHELL_ACCESS_DENIED;\r |
210 | } else {\r | |
211 | ASSERT(ShellStatus == SHELL_SUCCESS);\r | |
212 | }\r | |
213 | } else if (StrnCmp(Data, L"L\"", 2) == 0) {\r | |
214 | //\r | |
215 | // ucs2 text\r | |
216 | //\r | |
217 | Data++;\r | |
218 | Data++;\r | |
219 | Buffer = AllocateZeroPool(StrSize(Data));\r | |
cbdd109b | 220 | if (Buffer == NULL) {\r |
4092a8f6 | 221 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellDebug1HiiHandle, L"setvar"); \r |
cbdd109b | 222 | ShellStatus = SHELL_OUT_OF_RESOURCES;\r |
5d73d92f | 223 | } else {\r |
cbdd109b | 224 | UnicodeSPrint(Buffer, StrSize(Data), L"%s", Data);\r |
225 | ((CHAR16*)Buffer)[StrLen(Buffer)-1] = CHAR_NULL;\r | |
226 | \r | |
227 | Status = gRT->SetVariable((CHAR16*)VariableName, &Guid, Attributes, StrSize(Buffer)-sizeof(CHAR16), Buffer);\r | |
228 | if (EFI_ERROR(Status)) {\r | |
4092a8f6 | 229 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SETVAR_ERROR_SET), gShellDebug1HiiHandle, L"setvar", &Guid, VariableName); \r |
cbdd109b | 230 | ShellStatus = SHELL_ACCESS_DENIED;\r |
231 | } else {\r | |
232 | ASSERT(ShellStatus == SHELL_SUCCESS);\r | |
233 | }\r | |
5d73d92f | 234 | }\r |
235 | } else if (StrnCmp(Data, L"--", 2) == 0) {\r | |
236 | //\r | |
237 | // device path in text format\r | |
238 | //\r | |
239 | Data++;\r | |
240 | Data++;\r | |
863986b3 | 241 | DevPath = ConvertTextToDevicePath(Data);\r |
5d73d92f | 242 | if (DevPath == NULL) {\r |
4092a8f6 | 243 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SETVAR_ERROR_DPFT), gShellDebug1HiiHandle, L"setvar"); \r |
5d73d92f | 244 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
245 | } else {\r | |
246 | Status = gRT->SetVariable((CHAR16*)VariableName, &Guid, Attributes, GetDevicePathSize(DevPath), DevPath);\r | |
247 | if (EFI_ERROR(Status)) {\r | |
4092a8f6 | 248 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SETVAR_ERROR_SET), gShellDebug1HiiHandle, L"setvar", &Guid, VariableName); \r |
5d73d92f | 249 | ShellStatus = SHELL_ACCESS_DENIED;\r |
250 | } else {\r | |
251 | ASSERT(ShellStatus == SHELL_SUCCESS);\r | |
252 | }\r | |
253 | }\r | |
254 | } else {\r | |
4092a8f6 | 255 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"setvar", Data); \r |
5d73d92f | 256 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
257 | }\r | |
258 | }\r | |
259 | }\r | |
260 | ShellCommandLineFreeVarList (Package);\r | |
261 | }\r | |
262 | \r | |
263 | if (Buffer != NULL) {\r | |
264 | FreePool(Buffer);\r | |
265 | }\r | |
266 | \r | |
267 | if (DevPath != NULL) {\r | |
268 | FreePool(DevPath);\r | |
269 | }\r | |
270 | \r | |
271 | return (ShellStatus);\r | |
272 | }\r |