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a405b86d | 1 | /** @file\r |
2 | Main file for Alias shell level 3 function.\r | |
3 | \r | |
c011b6c9 | 4 | (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r |
7f9c4a51 | 5 | Copyright (c) 2009 - 2016, 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 | |
20 | /**\r | |
21 | Print out each alias registered with the Shell.\r | |
22 | \r | |
23 | @retval STATUS_SUCCESS the printout was sucessful\r | |
24 | @return any return code from GetNextVariableName except EFI_NOT_FOUND\r | |
25 | **/\r | |
26 | SHELL_STATUS\r | |
a405b86d | 27 | PrintAllShellAlias(\r |
28 | VOID\r | |
29 | )\r | |
30 | {\r | |
31 | CONST CHAR16 *ConstAllAliasList;\r | |
32 | CHAR16 *Alias;\r | |
33 | CONST CHAR16 *Command;\r | |
34 | CHAR16 *Walker;\r | |
35 | BOOLEAN Volatile;\r | |
36 | \r | |
37 | Volatile = FALSE;\r | |
38 | \r | |
39 | ConstAllAliasList = gEfiShellProtocol->GetAlias(NULL, NULL);\r | |
40 | if (ConstAllAliasList == NULL) {\r | |
41 | return (SHELL_SUCCESS);\r | |
42 | }\r | |
43 | Alias = AllocateZeroPool(StrSize(ConstAllAliasList));\r | |
9ea69f8a | 44 | if (Alias == NULL) {\r |
45 | return (SHELL_OUT_OF_RESOURCES);\r | |
46 | }\r | |
a405b86d | 47 | Walker = (CHAR16*)ConstAllAliasList;\r |
48 | \r | |
49 | do {\r | |
50 | CopyMem(Alias, Walker, StrSize(Walker));\r | |
51 | Walker = StrStr(Alias, L";");\r | |
52 | if (Walker != NULL) {\r | |
53 | Walker[0] = CHAR_NULL;\r | |
54 | Walker = Walker + 1;\r | |
55 | }\r | |
56 | Command = gEfiShellProtocol->GetAlias(Alias, &Volatile);\r | |
57 | if (ShellCommandIsOnAliasList(Alias)) {\r | |
58 | Volatile = FALSE;\r | |
59 | }\r | |
60 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_ALIAS_OUTPUT), gShellLevel3HiiHandle, !Volatile?L' ':L'*', Alias, Command);\r | |
61 | } while (Walker != NULL && Walker[0] != CHAR_NULL);\r | |
62 | \r | |
63 | FreePool(Alias);\r | |
64 | \r | |
65 | return (SHELL_SUCCESS);\r | |
66 | }\r | |
67 | \r | |
68 | STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r | |
69 | {L"-v", TypeFlag},\r | |
70 | {L"-d", TypeFlag},\r | |
71 | {NULL, TypeMax}\r | |
72 | };\r | |
73 | \r | |
74 | /**\r | |
75 | Function for 'alias' command.\r | |
76 | \r | |
77 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
78 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
79 | **/\r | |
80 | SHELL_STATUS\r | |
81 | EFIAPI\r | |
82 | ShellCommandRunAlias (\r | |
83 | IN EFI_HANDLE ImageHandle,\r | |
84 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
85 | )\r | |
86 | {\r | |
87 | EFI_STATUS Status;\r | |
88 | LIST_ENTRY *Package;\r | |
89 | CHAR16 *ProblemParam;\r | |
90 | SHELL_STATUS ShellStatus;\r | |
91 | CONST CHAR16 *Param1;\r | |
92 | CONST CHAR16 *Param2;\r | |
0faec4cf | 93 | CHAR16 *CleanParam2;\r |
7f9c4a51 QS |
94 | CONST CHAR16 *ConstAliasVal;\r |
95 | BOOLEAN Volatile;\r | |
a405b86d | 96 | \r |
97 | ProblemParam = NULL;\r | |
98 | ShellStatus = SHELL_SUCCESS;\r | |
0faec4cf | 99 | CleanParam2 = NULL;\r |
a405b86d | 100 | \r |
101 | //\r | |
102 | // initialize the shell lib (we must be in non-auto-init...)\r | |
103 | //\r | |
104 | Status = ShellInitialize();\r | |
105 | ASSERT_EFI_ERROR(Status);\r | |
106 | \r | |
107 | Status = CommandInit();\r | |
108 | ASSERT_EFI_ERROR(Status);\r | |
109 | \r | |
110 | //\r | |
111 | // parse the command line\r | |
112 | //\r | |
113 | Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r | |
114 | if (EFI_ERROR(Status)) {\r | |
115 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r | |
e54a10bb | 116 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"alias", ProblemParam); \r |
a405b86d | 117 | FreePool(ProblemParam);\r |
118 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
119 | } else {\r | |
120 | ASSERT(FALSE);\r | |
121 | }\r | |
122 | } else {\r | |
123 | Param1 = ShellCommandLineGetRawValue(Package, 1);\r | |
124 | Param2 = ShellCommandLineGetRawValue(Package, 2);\r | |
0faec4cf QS |
125 | \r |
126 | if (Param2 != NULL) {\r | |
127 | CleanParam2 = AllocateCopyPool (StrSize(Param2), Param2);\r | |
128 | if (CleanParam2 == NULL) {\r | |
129 | return SHELL_OUT_OF_RESOURCES;\r | |
130 | }\r | |
131 | \r | |
132 | if (CleanParam2[0] == L'\"' && CleanParam2[StrLen(CleanParam2)-1] == L'\"') {\r | |
133 | CleanParam2[StrLen(CleanParam2)-1] = L'\0';\r | |
134 | CopyMem (CleanParam2, CleanParam2 + 1, StrSize(CleanParam2) - sizeof(CleanParam2[0]));\r | |
135 | }\r | |
136 | }\r | |
137 | \r | |
a405b86d | 138 | //\r |
139 | // check for "-?"\r | |
140 | //\r | |
141 | if (ShellCommandLineGetFlag(Package, L"-?")) {\r | |
142 | ASSERT(FALSE);\r | |
143 | }\r | |
144 | if (ShellCommandLineGetCount(Package) == 1) {\r | |
145 | //\r | |
146 | // print out alias'\r | |
147 | //\r | |
148 | Status = PrintAllShellAlias();\r | |
149 | } else if (ShellCommandLineGetFlag(Package, L"-d")) {\r | |
150 | //\r | |
151 | // delete an alias\r | |
152 | //\r | |
153 | Status = gEfiShellProtocol->SetAlias(Param1, NULL, TRUE, FALSE);\r | |
154 | } else if (ShellCommandLineGetCount(Package) == 3) {\r | |
155 | //\r | |
156 | // must be adding an alias\r | |
157 | //\r | |
0faec4cf | 158 | Status = gEfiShellProtocol->SetAlias(CleanParam2, Param1, FALSE, ShellCommandLineGetFlag(Package, L"-v"));\r |
a405b86d | 159 | if (EFI_ERROR(Status)) {\r |
160 | if (Status == EFI_ACCESS_DENIED) {\r | |
e54a10bb | 161 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_AD), gShellLevel3HiiHandle, L"alias"); \r |
a405b86d | 162 | ShellStatus = SHELL_ACCESS_DENIED;\r |
163 | } else {\r | |
e54a10bb | 164 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_UK), gShellLevel3HiiHandle, L"alias", Status); \r |
a405b86d | 165 | ShellStatus = SHELL_DEVICE_ERROR;\r |
166 | }\r | |
167 | }\r | |
168 | } else if (ShellCommandLineGetCount(Package) == 2) {\r | |
7f9c4a51 QS |
169 | //\r |
170 | // print out a single alias\r | |
171 | //\r | |
172 | ConstAliasVal = gEfiShellProtocol->GetAlias(Param1, &Volatile);\r | |
173 | if (ConstAliasVal == NULL) {\r | |
174 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel3HiiHandle, L"alias", Param1);\r | |
175 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
176 | } else {\r | |
177 | if (ShellCommandIsOnAliasList(Param1)) {\r | |
178 | Volatile = FALSE;\r | |
179 | }\r | |
180 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_ALIAS_OUTPUT), gShellLevel3HiiHandle, !Volatile?L' ':L'*', Param1, ConstAliasVal);\r | |
181 | } \r | |
a405b86d | 182 | } else {\r |
e54a10bb | 183 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"alias"); \r |
a405b86d | 184 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
185 | }\r | |
186 | //\r | |
187 | // free the command line package\r | |
188 | //\r | |
189 | ShellCommandLineFreeVarList (Package);\r | |
190 | }\r | |
191 | \r | |
0faec4cf | 192 | SHELL_FREE_NON_NULL (CleanParam2);\r |
a405b86d | 193 | return (ShellStatus);\r |
194 | }\r |