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4684b66f | 1 | /*++ |
2 | This file contains an 'Intel UEFI Application' and is | |
3 | licensed for Intel CPUs and chipsets under the terms of your | |
4 | license agreement with Intel or your vendor. This file may | |
5 | be modified by the user, subject to additional terms of the | |
6 | license agreement | |
7 | --*/ | |
8 | /*++ | |
9 | ||
10 | Copyright (c) 2011 Intel Corporation. All rights reserved | |
11 | This software and associated documentation (if any) is furnished | |
12 | under a license and may only be used or copied in accordance | |
13 | with the terms of the license. Except as permitted by such | |
14 | license, no part of this software or documentation may be | |
15 | reproduced, stored in a retrieval system, or transmitted in any | |
16 | form or by any means without the express written consent of | |
17 | Intel Corporation. | |
18 | ||
19 | --*/ | |
20 | ||
21 | /** @file | |
22 | Display the DHCP options | |
23 | ||
24 | **/ | |
25 | ||
26 | #include <WebServer.h> | |
27 | #include <Guid/DxeServices.h> | |
28 | #include <pi/PiDxeCis.h> | |
29 | ||
30 | #include <protocol/Dhcp4.h> | |
31 | #include <protocol/ServiceBinding.h> | |
32 | ||
33 | /** | |
34 | Respond with the DHCP options | |
35 | ||
36 | @param [in] SocketFD The socket's file descriptor to add to the list. | |
37 | @param [in] pPort The WSDT_PORT structure address | |
38 | @param [out] pbDone Address to receive the request completion status | |
39 | ||
40 | @retval EFI_SUCCESS The request was successfully processed | |
41 | ||
42 | **/ | |
43 | EFI_STATUS | |
44 | DhcpOptionsPage ( | |
45 | IN int SocketFD, | |
46 | IN WSDT_PORT * pPort, | |
47 | OUT BOOLEAN * pbDone | |
48 | ) | |
49 | { | |
50 | // EFI_HANDLE Dhcp4Handle; | |
51 | EFI_DHCP4_MODE_DATA Dhcp4Mode; | |
52 | UINTN HandleCount; | |
53 | EFI_DHCP4_PROTOCOL * pDhcp4; | |
54 | EFI_DHCP4_PACKET * pDhcp4Packet; | |
55 | EFI_HANDLE * pEnd; | |
56 | EFI_HANDLE * pHandle; | |
57 | // EFI_SERVICE_BINDING_PROTOCOL * pService; | |
58 | EFI_STATUS Status; | |
59 | ||
60 | DBG_ENTER ( ); | |
61 | ||
62 | // | |
63 | // Send the DHCP options | |
64 | // | |
65 | for ( ; ; ) { | |
66 | // | |
67 | // Send the page header | |
68 | // | |
69 | Status = HttpPageHeader ( SocketFD, pPort, L"DHCP Options" ); | |
70 | if ( EFI_ERROR ( Status )) { | |
71 | break; | |
72 | } | |
73 | ||
74 | // | |
75 | // Build the header | |
76 | // | |
77 | Status = HttpSendAnsiString ( SocketFD, | |
78 | pPort, | |
79 | "<h1>" ); | |
80 | if ( EFI_ERROR ( Status )) { | |
81 | break; | |
82 | } | |
83 | Status = HttpSendUnicodeString ( SocketFD, | |
84 | pPort, | |
85 | L"DHCP Options" ); | |
86 | if ( EFI_ERROR ( Status )) { | |
87 | break; | |
88 | } | |
89 | Status = HttpSendAnsiString ( SocketFD, | |
90 | pPort, | |
91 | "</h1>\r\n" ); | |
92 | if ( EFI_ERROR ( Status )) { | |
93 | break; | |
94 | } | |
95 | ||
96 | // | |
97 | // Attempt to locate DHCP clients | |
98 | // | |
99 | Status = gBS->LocateHandleBuffer ( ByProtocol, | |
100 | // &gEfiDhcp4ServiceBindingProtocolGuid, | |
101 | &gEfiDhcp4ProtocolGuid, | |
102 | NULL, | |
103 | &HandleCount, | |
104 | &pHandle ); | |
105 | if ( EFI_ERROR ( Status )) { | |
106 | Status = HttpSendAnsiString ( SocketFD, | |
107 | pPort, | |
108 | "DHCP not in use" ); | |
109 | if ( EFI_ERROR ( Status )) { | |
110 | break; | |
111 | } | |
112 | } | |
113 | else { | |
114 | // | |
115 | // Walk the list of handles | |
116 | // | |
117 | pEnd = &pHandle [ HandleCount ]; | |
118 | while ( pEnd > pHandle ) { | |
119 | /* | |
120 | // | |
121 | // Get the DHCP service binding | |
122 | // | |
123 | Status = gBS->OpenProtocol ( *pHandle, | |
124 | &gEfiDhcp4ServiceBindingProtocolGuid, | |
125 | &pService, | |
126 | NULL, | |
127 | gImageHandle, | |
128 | EFI_OPEN_PROTOCOL_GET_PROTOCOL ); | |
129 | if ( EFI_ERROR ( Status )) { | |
130 | Status = HttpSendAnsiString ( SocketFD, | |
131 | pPort, | |
132 | "Failed to open gEfiDhcp4ServiceBindingProtocolGuid" ); | |
133 | break; | |
134 | } | |
135 | ||
136 | // | |
137 | // Get the DHCP handle | |
138 | // | |
139 | Status = pService->CreateChild ( pService, | |
140 | &Dhcp4Handle ); | |
141 | if ( EFI_ERROR ( Status )) { | |
142 | Status = HttpSendAnsiString ( SocketFD, | |
143 | pPort, | |
144 | "Failed to create DHCP4 child" ); | |
145 | } | |
146 | else { | |
147 | */ | |
148 | // | |
149 | // Get the DHCP protocol | |
150 | // | |
151 | Status = gBS->OpenProtocol ( *pHandle, | |
152 | // Dhcp4Handle, | |
153 | &gEfiDhcp4ProtocolGuid, | |
d3a595ce | 154 | (VOID **)&pDhcp4, |
4684b66f | 155 | NULL, |
156 | gImageHandle, | |
157 | EFI_OPEN_PROTOCOL_GET_PROTOCOL ); | |
158 | if ( EFI_ERROR ( Status )) { | |
159 | Status = HttpSendAnsiString ( SocketFD, | |
160 | pPort, | |
161 | "Failed to open gEfiDhcp4ProtocolGuid" ); | |
162 | } | |
163 | else { | |
164 | // | |
165 | // Get the DHCP packet | |
166 | // | |
167 | Status = pDhcp4->GetModeData ( pDhcp4, | |
168 | &Dhcp4Mode ); | |
169 | if ( EFI_ERROR ( Status )) { | |
170 | Status = HttpSendAnsiString ( SocketFD, | |
171 | pPort, | |
172 | "Failed to get DHCP4 mode" ); | |
173 | } | |
174 | else { | |
175 | // | |
176 | // Get the last packet | |
177 | // | |
178 | pDhcp4Packet = Dhcp4Mode.ReplyPacket; | |
179 | if ( NULL == pDhcp4Packet ) { | |
180 | Status = HttpSendAnsiString ( SocketFD, | |
181 | pPort, | |
182 | "No DHCP reply received!<br/>DHCP Mode:<br/>" ); | |
183 | if ( EFI_ERROR ( Status )) { | |
184 | break; | |
185 | } | |
186 | ||
187 | // | |
188 | // Display the DHCP mode data | |
189 | // | |
190 | Status = HttpSendDump ( SocketFD, | |
191 | pPort, | |
192 | sizeof ( Dhcp4Mode ), | |
193 | (UINT8 *)&Dhcp4Mode ); | |
194 | } | |
195 | else { | |
196 | // | |
197 | // Display the DHCP packet | |
198 | // | |
199 | Status = HttpSendDump ( SocketFD, | |
200 | pPort, | |
201 | pDhcp4Packet->Length, | |
202 | (UINT8 *)&pDhcp4Packet->Dhcp4 ); | |
203 | } | |
204 | } | |
205 | /* | |
206 | } | |
207 | ||
208 | // | |
209 | // Done with the DHCP protocol | |
210 | // | |
211 | pService->DestroyChild ( pService, | |
212 | Dhcp4Handle ); | |
213 | */ | |
214 | } | |
215 | ||
216 | // | |
217 | // Set the next service binding | |
218 | // | |
219 | pHandle += 1; | |
220 | } | |
221 | } | |
222 | ||
223 | // | |
224 | // Send the page trailer | |
225 | // | |
226 | Status = HttpPageTrailer ( SocketFD, pPort, pbDone ); | |
227 | break; | |
228 | } | |
229 | ||
230 | // | |
231 | // Return the operation status | |
232 | // | |
233 | DBG_EXIT_STATUS ( Status ); | |
234 | return Status; | |
235 | } |