summaryrefslogtreecommitdiffstats
path: root/NetworkPkg/TlsAuthConfigDxe/TlsAuthConfigDxe.c
blob: c0870ab9979c46e2a31c875a8f3a19db1b14c3d8 (plain)
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
/** @file
  The DriverEntryPoint for TlsAuthConfigDxe driver.

  Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>

  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#include "TlsAuthConfigImpl.h"

/**
  Unloads an image.

  @param  ImageHandle           Handle that identifies the image to be unloaded.

  @retval EFI_SUCCESS           The image has been unloaded.
  @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.

**/
EFI_STATUS
EFIAPI
TlsAuthConfigDxeUnload (
  IN EFI_HANDLE  ImageHandle
  )
{
  EFI_STATUS                     Status;
  TLS_AUTH_CONFIG_PRIVATE_DATA   *PrivateData;

  Status = gBS->HandleProtocol (
                  ImageHandle,
                  &gEfiCallerIdGuid,
                  (VOID **) &PrivateData
                  );
  if (EFI_ERROR (Status)) {
    return Status;
  }

  ASSERT (PrivateData->Signature == TLS_AUTH_CONFIG_PRIVATE_DATA_SIGNATURE);

  gBS->UninstallMultipleProtocolInterfaces (
         ImageHandle,
         &gEfiCallerIdGuid,
         PrivateData,
         NULL
         );

  TlsAuthConfigFormUnload (PrivateData);

  return EFI_SUCCESS;
}

/**
  This is the declaration of an EFI image entry point. This entry point is
  the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including
  both device drivers and bus drivers.

  @param  ImageHandle           The firmware allocated handle for the UEFI image.
  @param  SystemTable           A pointer to the EFI System Table.

  @retval EFI_SUCCESS           The operation completed successfully.
  @retval Others                An unexpected error occurred.
**/
EFI_STATUS
EFIAPI
TlsAuthConfigDxeDriverEntryPoint (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS  Status;

  TLS_AUTH_CONFIG_PRIVATE_DATA   *PrivateData;

  PrivateData = NULL;

  //
  // If already started, return.
  //
  Status = gBS->OpenProtocol (
                  ImageHandle,
                  &gEfiCallerIdGuid,
                  NULL,
                  ImageHandle,
                  ImageHandle,
                  EFI_OPEN_PROTOCOL_TEST_PROTOCOL
                  );
  if (!EFI_ERROR (Status)) {
    return EFI_ALREADY_STARTED;
  }

  //
  // Initialize the private data structure.
  //
  PrivateData = AllocateZeroPool (sizeof (TLS_AUTH_CONFIG_PRIVATE_DATA));
  if (PrivateData == NULL) {
    return EFI_OUT_OF_RESOURCES;
  }

  //
  // Initialize the HII configuration form.
  //
  Status = TlsAuthConfigFormInit (PrivateData);
  if (EFI_ERROR (Status)) {
    goto ON_ERROR;
  }

  //
  // Install private GUID.
  //
  Status = gBS->InstallMultipleProtocolInterfaces (
                  &ImageHandle,
                  &gEfiCallerIdGuid,
                  PrivateData,
                  NULL
                  );
  if (EFI_ERROR (Status)) {
    goto ON_ERROR;
  }

  return EFI_SUCCESS;

ON_ERROR:
  TlsAuthConfigFormUnload (PrivateData);

  return Status;
}