1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/** @file
Main file for attrib shell level 2 function.
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "UefiShellLevel2CommandsLib.h"
/**
Print out each environment variable registered with the Shell 2.0 GUID.
If you spawn a pre 2.0 shell from the Shell 2.0 the environment variable may not carry through.
@retval STATUS_SUCCESS the printout was successful
@return any return code from GetNextVariableName except EFI_NOT_FOUND
**/
SHELL_STATUS
PrintAllShellEnvVars (
VOID
)
{
CONST CHAR16 *Value;
CONST CHAR16 *ConstEnvNameList;
ConstEnvNameList = gEfiShellProtocol->GetEnv (NULL);
if (ConstEnvNameList == NULL) {
return (SHELL_SUCCESS);
}
while (*ConstEnvNameList != CHAR_NULL) {
Value = gEfiShellProtocol->GetEnv (ConstEnvNameList);
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_SET_DISP), gShellLevel2HiiHandle, ConstEnvNameList, Value);
ConstEnvNameList += StrLen (ConstEnvNameList)+1;
}
return (SHELL_SUCCESS);
}
STATIC CONST SHELL_PARAM_ITEM SetParamList[] = {
{ L"-d", TypeValue },
{ L"-v", TypeFlag },
{ NULL, TypeMax }
};
/**
Function for 'set' command.
@param[in] ImageHandle Handle to the Image (NULL if Internal).
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunSet (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CONST CHAR16 *KeyName;
CONST CHAR16 *Value;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
ProblemParam = NULL;
ShellStatus = SHELL_SUCCESS;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize ();
ASSERT_EFI_ERROR (Status);
//
// Make sure globals are good...
//
Status = CommandInit ();
ASSERT_EFI_ERROR (Status);
//
// parse the command line
//
Status = ShellCommandLineParse (SetParamList, &Package, &ProblemParam, TRUE);
if (EFI_ERROR (Status)) {
if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"set", ProblemParam);
FreePool (ProblemParam);
return (SHELL_INVALID_PARAMETER);
} else {
ASSERT (FALSE);
}
} else {
//
// check for "-?"
//
if (ShellCommandLineGetFlag (Package, L"-?")) {
ASSERT (FALSE);
} else if (ShellCommandLineGetRawValue (Package, 3) != NULL) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"set");
ShellStatus = SHELL_INVALID_PARAMETER;
} else if ((ShellCommandLineGetRawValue (Package, 1) != NULL) && ShellCommandLineGetFlag (Package, L"-d")) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"set");
ShellStatus = SHELL_INVALID_PARAMETER;
} else if (ShellCommandLineGetFlag (Package, L"-d")) {
//
// delete a environment variable
//
KeyName = ShellCommandLineGetValue (Package, L"-d");
if (KeyName == NULL) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellLevel2HiiHandle, L"set", L"-d");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
Status = ShellSetEnvironmentVariable (KeyName, L"", ShellCommandLineGetFlag (Package, L"-v"));
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_SET_ND), gShellLevel2HiiHandle, L"set", KeyName);
ShellStatus = SHELL_DEVICE_ERROR;
}
}
} else if (ShellCommandLineGetRawValue (Package, 1) == NULL) {
//
// print out all current environment variables
//
return (PrintAllShellEnvVars ());
} else {
//
// we are either printing one or assigning one
//
KeyName = ShellCommandLineGetRawValue (Package, 1);
Value = ShellCommandLineGetRawValue (Package, 2);
if ((KeyName != NULL) && (Value != NULL)) {
//
// assigning one
//
Status = ShellSetEnvironmentVariable (KeyName, Value, ShellCommandLineGetFlag (Package, L"-v"));
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_SET_ERROR_SET), gShellLevel2HiiHandle, L"set", KeyName);
ShellStatus = (SHELL_STATUS)(Status & (~MAX_BIT));
}
} else {
if (KeyName != NULL) {
//
// print out value for this one only.
//
Value = ShellGetEnvironmentVariable (KeyName);
if (Value == NULL) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_SET_NF), gShellLevel2HiiHandle, L"set", KeyName);
ShellStatus = SHELL_SUCCESS;
} else {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_SET_DISP), gShellLevel2HiiHandle, KeyName, Value);
ShellStatus = SHELL_SUCCESS;
}
} else {
ASSERT (FALSE);
}
}
}
}
//
// free the command line package
//
ShellCommandLineFreeVarList (Package);
return (ShellStatus);
}
|
