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1 | /** @file\r | |
2 | Support functions implementation for UEFI HTTP boot driver.\r | |
3 | \r | |
4 | Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>\r | |
5 | (C) Copyright 2016 - 2020 Hewlett Packard Enterprise Development LP<BR>\r | |
6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
7 | \r | |
8 | **/\r | |
9 | \r | |
10 | #include "HttpBootDxe.h"\r | |
11 | \r | |
12 | /**\r | |
13 | Get the Nic handle using any child handle in the IPv4 stack.\r | |
14 | \r | |
15 | @param[in] ControllerHandle Pointer to child handle over IPv4.\r | |
16 | \r | |
17 | @return NicHandle The pointer to the Nic handle.\r | |
18 | @return NULL Can't find the Nic handle.\r | |
19 | \r | |
20 | **/\r | |
21 | EFI_HANDLE\r | |
22 | HttpBootGetNicByIp4Children (\r | |
23 | IN EFI_HANDLE ControllerHandle\r | |
24 | )\r | |
25 | {\r | |
26 | EFI_HANDLE NicHandle;\r | |
27 | \r | |
28 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiHttpProtocolGuid);\r | |
29 | if (NicHandle == NULL) {\r | |
30 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp4ProtocolGuid);\r | |
31 | if (NicHandle == NULL) {\r | |
32 | return NULL;\r | |
33 | }\r | |
34 | }\r | |
35 | \r | |
36 | return NicHandle;\r | |
37 | }\r | |
38 | \r | |
39 | /**\r | |
40 | Get the Nic handle using any child handle in the IPv6 stack.\r | |
41 | \r | |
42 | @param[in] ControllerHandle Pointer to child handle over IPv6.\r | |
43 | \r | |
44 | @return NicHandle The pointer to the Nic handle.\r | |
45 | @return NULL Can't find the Nic handle.\r | |
46 | \r | |
47 | **/\r | |
48 | EFI_HANDLE\r | |
49 | HttpBootGetNicByIp6Children (\r | |
50 | IN EFI_HANDLE ControllerHandle\r | |
51 | )\r | |
52 | {\r | |
53 | EFI_HANDLE NicHandle;\r | |
54 | \r | |
55 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiHttpProtocolGuid);\r | |
56 | if (NicHandle == NULL) {\r | |
57 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp6ProtocolGuid);\r | |
58 | if (NicHandle == NULL) {\r | |
59 | return NULL;\r | |
60 | }\r | |
61 | }\r | |
62 | \r | |
63 | return NicHandle;\r | |
64 | }\r | |
65 | \r | |
66 | /**\r | |
67 | This function is to convert UINTN to ASCII string with the required formatting.\r | |
68 | \r | |
69 | @param[in] Number Numeric value to be converted.\r | |
70 | @param[in] Buffer The pointer to the buffer for ASCII string.\r | |
71 | @param[in] Length The length of the required format.\r | |
72 | \r | |
73 | **/\r | |
74 | VOID\r | |
75 | HttpBootUintnToAscDecWithFormat (\r | |
76 | IN UINTN Number,\r | |
77 | IN UINT8 *Buffer,\r | |
78 | IN INTN Length\r | |
79 | )\r | |
80 | {\r | |
81 | UINTN Remainder;\r | |
82 | \r | |
83 | for ( ; Length > 0; Length--) {\r | |
84 | Remainder = Number % 10;\r | |
85 | Number /= 10;\r | |
86 | Buffer[Length - 1] = (UINT8)('0' + Remainder);\r | |
87 | }\r | |
88 | }\r | |
89 | \r | |
90 | /**\r | |
91 | This function is to display the IPv4 address.\r | |
92 | \r | |
93 | @param[in] Ip The pointer to the IPv4 address.\r | |
94 | \r | |
95 | **/\r | |
96 | VOID\r | |
97 | HttpBootShowIp4Addr (\r | |
98 | IN EFI_IPv4_ADDRESS *Ip\r | |
99 | )\r | |
100 | {\r | |
101 | UINTN Index;\r | |
102 | \r | |
103 | for (Index = 0; Index < 4; Index++) {\r | |
104 | AsciiPrint ("%d", Ip->Addr[Index]);\r | |
105 | if (Index < 3) {\r | |
106 | AsciiPrint (".");\r | |
107 | }\r | |
108 | }\r | |
109 | }\r | |
110 | \r | |
111 | /**\r | |
112 | This function is to display the IPv6 address.\r | |
113 | \r | |
114 | @param[in] Ip The pointer to the IPv6 address.\r | |
115 | \r | |
116 | **/\r | |
117 | VOID\r | |
118 | HttpBootShowIp6Addr (\r | |
119 | IN EFI_IPv6_ADDRESS *Ip\r | |
120 | )\r | |
121 | {\r | |
122 | UINTN Index;\r | |
123 | \r | |
124 | for (Index = 0; Index < 16; Index++) {\r | |
125 | if (Ip->Addr[Index] != 0) {\r | |
126 | AsciiPrint ("%x", Ip->Addr[Index]);\r | |
127 | }\r | |
128 | \r | |
129 | Index++;\r | |
130 | if (Index > 15) {\r | |
131 | return;\r | |
132 | }\r | |
133 | \r | |
134 | if (((Ip->Addr[Index] & 0xf0) == 0) && (Ip->Addr[Index - 1] != 0)) {\r | |
135 | AsciiPrint ("0");\r | |
136 | }\r | |
137 | \r | |
138 | AsciiPrint ("%x", Ip->Addr[Index]);\r | |
139 | if (Index < 15) {\r | |
140 | AsciiPrint (":");\r | |
141 | }\r | |
142 | }\r | |
143 | }\r | |
144 | \r | |
145 | /**\r | |
146 | This function is to display the HTTP error status.\r | |
147 | \r | |
148 | @param[in] StatusCode The status code value in HTTP message.\r | |
149 | \r | |
150 | **/\r | |
151 | VOID\r | |
152 | HttpBootPrintErrorMessage (\r | |
153 | EFI_HTTP_STATUS_CODE StatusCode\r | |
154 | )\r | |
155 | {\r | |
156 | AsciiPrint ("\n");\r | |
157 | \r | |
158 | switch (StatusCode) {\r | |
159 | case HTTP_STATUS_300_MULTIPLE_CHOICES:\r | |
160 | AsciiPrint ("\n Redirection: 300 Multiple Choices");\r | |
161 | break;\r | |
162 | \r | |
163 | case HTTP_STATUS_301_MOVED_PERMANENTLY:\r | |
164 | AsciiPrint ("\n Redirection: 301 Moved Permanently");\r | |
165 | break;\r | |
166 | \r | |
167 | case HTTP_STATUS_302_FOUND:\r | |
168 | AsciiPrint ("\n Redirection: 302 Found");\r | |
169 | break;\r | |
170 | \r | |
171 | case HTTP_STATUS_303_SEE_OTHER:\r | |
172 | AsciiPrint ("\n Redirection: 303 See Other");\r | |
173 | break;\r | |
174 | \r | |
175 | case HTTP_STATUS_304_NOT_MODIFIED:\r | |
176 | AsciiPrint ("\n Redirection: 304 Not Modified");\r | |
177 | break;\r | |
178 | \r | |
179 | case HTTP_STATUS_305_USE_PROXY:\r | |
180 | AsciiPrint ("\n Redirection: 305 Use Proxy");\r | |
181 | break;\r | |
182 | \r | |
183 | case HTTP_STATUS_307_TEMPORARY_REDIRECT:\r | |
184 | AsciiPrint ("\n Redirection: 307 Temporary Redirect");\r | |
185 | break;\r | |
186 | \r | |
187 | case HTTP_STATUS_308_PERMANENT_REDIRECT:\r | |
188 | AsciiPrint ("\n Redirection: 308 Permanent Redirect");\r | |
189 | break;\r | |
190 | \r | |
191 | case HTTP_STATUS_400_BAD_REQUEST:\r | |
192 | AsciiPrint ("\n Client Error: 400 Bad Request");\r | |
193 | break;\r | |
194 | \r | |
195 | case HTTP_STATUS_401_UNAUTHORIZED:\r | |
196 | AsciiPrint ("\n Client Error: 401 Unauthorized");\r | |
197 | break;\r | |
198 | \r | |
199 | case HTTP_STATUS_402_PAYMENT_REQUIRED:\r | |
200 | AsciiPrint ("\n Client Error: 402 Payment Required");\r | |
201 | break;\r | |
202 | \r | |
203 | case HTTP_STATUS_403_FORBIDDEN:\r | |
204 | AsciiPrint ("\n Client Error: 403 Forbidden");\r | |
205 | break;\r | |
206 | \r | |
207 | case HTTP_STATUS_404_NOT_FOUND:\r | |
208 | AsciiPrint ("\n Client Error: 404 Not Found");\r | |
209 | break;\r | |
210 | \r | |
211 | case HTTP_STATUS_405_METHOD_NOT_ALLOWED:\r | |
212 | AsciiPrint ("\n Client Error: 405 Method Not Allowed");\r | |
213 | break;\r | |
214 | \r | |
215 | case HTTP_STATUS_406_NOT_ACCEPTABLE:\r | |
216 | AsciiPrint ("\n Client Error: 406 Not Acceptable");\r | |
217 | break;\r | |
218 | \r | |
219 | case HTTP_STATUS_407_PROXY_AUTHENTICATION_REQUIRED:\r | |
220 | AsciiPrint ("\n Client Error: 407 Proxy Authentication Required");\r | |
221 | break;\r | |
222 | \r | |
223 | case HTTP_STATUS_408_REQUEST_TIME_OUT:\r | |
224 | AsciiPrint ("\n Client Error: 408 Request Timeout");\r | |
225 | break;\r | |
226 | \r | |
227 | case HTTP_STATUS_409_CONFLICT:\r | |
228 | AsciiPrint ("\n Client Error: 409 Conflict");\r | |
229 | break;\r | |
230 | \r | |
231 | case HTTP_STATUS_410_GONE:\r | |
232 | AsciiPrint ("\n Client Error: 410 Gone");\r | |
233 | break;\r | |
234 | \r | |
235 | case HTTP_STATUS_411_LENGTH_REQUIRED:\r | |
236 | AsciiPrint ("\n Client Error: 411 Length Required");\r | |
237 | break;\r | |
238 | \r | |
239 | case HTTP_STATUS_412_PRECONDITION_FAILED:\r | |
240 | AsciiPrint ("\n Client Error: 412 Precondition Failed");\r | |
241 | break;\r | |
242 | \r | |
243 | case HTTP_STATUS_413_REQUEST_ENTITY_TOO_LARGE:\r | |
244 | AsciiPrint ("\n Client Error: 413 Request Entity Too Large");\r | |
245 | break;\r | |
246 | \r | |
247 | case HTTP_STATUS_414_REQUEST_URI_TOO_LARGE:\r | |
248 | AsciiPrint ("\n Client Error: 414 Request URI Too Long");\r | |
249 | break;\r | |
250 | \r | |
251 | case HTTP_STATUS_415_UNSUPPORTED_MEDIA_TYPE:\r | |
252 | AsciiPrint ("\n Client Error: 415 Unsupported Media Type");\r | |
253 | break;\r | |
254 | \r | |
255 | case HTTP_STATUS_416_REQUESTED_RANGE_NOT_SATISFIED:\r | |
256 | AsciiPrint ("\n Client Error: 416 Requested Range Not Satisfiable");\r | |
257 | break;\r | |
258 | \r | |
259 | case HTTP_STATUS_417_EXPECTATION_FAILED:\r | |
260 | AsciiPrint ("\n Client Error: 417 Expectation Failed");\r | |
261 | break;\r | |
262 | \r | |
263 | case HTTP_STATUS_500_INTERNAL_SERVER_ERROR:\r | |
264 | AsciiPrint ("\n Server Error: 500 Internal Server Error");\r | |
265 | break;\r | |
266 | \r | |
267 | case HTTP_STATUS_501_NOT_IMPLEMENTED:\r | |
268 | AsciiPrint ("\n Server Error: 501 Not Implemented");\r | |
269 | break;\r | |
270 | \r | |
271 | case HTTP_STATUS_502_BAD_GATEWAY:\r | |
272 | AsciiPrint ("\n Server Error: 502 Bad Gateway");\r | |
273 | break;\r | |
274 | \r | |
275 | case HTTP_STATUS_503_SERVICE_UNAVAILABLE:\r | |
276 | AsciiPrint ("\n Server Error: 503 Service Unavailable");\r | |
277 | break;\r | |
278 | \r | |
279 | case HTTP_STATUS_504_GATEWAY_TIME_OUT:\r | |
280 | AsciiPrint ("\n Server Error: 504 Gateway Timeout");\r | |
281 | break;\r | |
282 | \r | |
283 | case HTTP_STATUS_505_HTTP_VERSION_NOT_SUPPORTED:\r | |
284 | AsciiPrint ("\n Server Error: 505 HTTP Version Not Supported");\r | |
285 | break;\r | |
286 | \r | |
287 | default:;\r | |
288 | }\r | |
289 | }\r | |
290 | \r | |
291 | /**\r | |
292 | Notify the callback function when an event is triggered.\r | |
293 | \r | |
294 | @param[in] Event The triggered event.\r | |
295 | @param[in] Context The opaque parameter to the function.\r | |
296 | \r | |
297 | **/\r | |
298 | VOID\r | |
299 | EFIAPI\r | |
300 | HttpBootCommonNotify (\r | |
301 | IN EFI_EVENT Event,\r | |
302 | IN VOID *Context\r | |
303 | )\r | |
304 | {\r | |
305 | *((BOOLEAN *)Context) = TRUE;\r | |
306 | }\r | |
307 | \r | |
308 | /**\r | |
309 | Retrieve the host address using the EFI_DNS6_PROTOCOL.\r | |
310 | \r | |
311 | @param[in] Private The pointer to the driver's private data.\r | |
312 | @param[in] HostName Pointer to buffer containing hostname.\r | |
313 | @param[out] IpAddress On output, pointer to buffer containing IPv6 address.\r | |
314 | \r | |
315 | @retval EFI_SUCCESS Operation succeeded.\r | |
316 | @retval EFI_DEVICE_ERROR An unexpected network error occurred.\r | |
317 | @retval Others Other errors as indicated.\r | |
318 | **/\r | |
319 | EFI_STATUS\r | |
320 | HttpBootDns (\r | |
321 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r | |
322 | IN CHAR16 *HostName,\r | |
323 | OUT EFI_IPv6_ADDRESS *IpAddress\r | |
324 | )\r | |
325 | {\r | |
326 | EFI_STATUS Status;\r | |
327 | EFI_DNS6_PROTOCOL *Dns6;\r | |
328 | EFI_DNS6_CONFIG_DATA Dns6ConfigData;\r | |
329 | EFI_DNS6_COMPLETION_TOKEN Token;\r | |
330 | EFI_HANDLE Dns6Handle;\r | |
331 | EFI_IP6_CONFIG_PROTOCOL *Ip6Config;\r | |
332 | EFI_IPv6_ADDRESS *DnsServerList;\r | |
333 | UINTN DnsServerListCount;\r | |
334 | UINTN DataSize;\r | |
335 | BOOLEAN IsDone;\r | |
336 | \r | |
337 | DnsServerList = NULL;\r | |
338 | DnsServerListCount = 0;\r | |
339 | Dns6 = NULL;\r | |
340 | Dns6Handle = NULL;\r | |
341 | ZeroMem (&Token, sizeof (EFI_DNS6_COMPLETION_TOKEN));\r | |
342 | \r | |
343 | //\r | |
344 | // Get DNS server list from EFI IPv6 Configuration protocol.\r | |
345 | //\r | |
346 | Status = gBS->HandleProtocol (Private->Controller, &gEfiIp6ConfigProtocolGuid, (VOID **)&Ip6Config);\r | |
347 | if (!EFI_ERROR (Status)) {\r | |
348 | //\r | |
349 | // Get the required size.\r | |
350 | //\r | |
351 | DataSize = 0;\r | |
352 | Status = Ip6Config->GetData (Ip6Config, Ip6ConfigDataTypeDnsServer, &DataSize, NULL);\r | |
353 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
354 | DnsServerList = AllocatePool (DataSize);\r | |
355 | if (DnsServerList == NULL) {\r | |
356 | return EFI_OUT_OF_RESOURCES;\r | |
357 | }\r | |
358 | \r | |
359 | Status = Ip6Config->GetData (Ip6Config, Ip6ConfigDataTypeDnsServer, &DataSize, DnsServerList);\r | |
360 | if (EFI_ERROR (Status)) {\r | |
361 | FreePool (DnsServerList);\r | |
362 | DnsServerList = NULL;\r | |
363 | } else {\r | |
364 | DnsServerListCount = DataSize / sizeof (EFI_IPv6_ADDRESS);\r | |
365 | }\r | |
366 | }\r | |
367 | }\r | |
368 | \r | |
369 | //\r | |
370 | // Create a DNSv6 child instance and get the protocol.\r | |
371 | //\r | |
372 | Status = NetLibCreateServiceChild (\r | |
373 | Private->Controller,\r | |
374 | Private->Ip6Nic->ImageHandle,\r | |
375 | &gEfiDns6ServiceBindingProtocolGuid,\r | |
376 | &Dns6Handle\r | |
377 | );\r | |
378 | if (EFI_ERROR (Status)) {\r | |
379 | goto Exit;\r | |
380 | }\r | |
381 | \r | |
382 | Status = gBS->OpenProtocol (\r | |
383 | Dns6Handle,\r | |
384 | &gEfiDns6ProtocolGuid,\r | |
385 | (VOID **)&Dns6,\r | |
386 | Private->Ip6Nic->ImageHandle,\r | |
387 | Private->Controller,\r | |
388 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
389 | );\r | |
390 | if (EFI_ERROR (Status)) {\r | |
391 | goto Exit;\r | |
392 | }\r | |
393 | \r | |
394 | //\r | |
395 | // Configure DNS6 instance for the DNS server address and protocol.\r | |
396 | //\r | |
397 | ZeroMem (&Dns6ConfigData, sizeof (EFI_DNS6_CONFIG_DATA));\r | |
398 | Dns6ConfigData.DnsServerCount = (UINT32)DnsServerListCount;\r | |
399 | Dns6ConfigData.DnsServerList = DnsServerList;\r | |
400 | Dns6ConfigData.EnableDnsCache = TRUE;\r | |
401 | Dns6ConfigData.Protocol = EFI_IP_PROTO_UDP;\r | |
402 | IP6_COPY_ADDRESS (&Dns6ConfigData.StationIp, &Private->StationIp.v6);\r | |
403 | Status = Dns6->Configure (\r | |
404 | Dns6,\r | |
405 | &Dns6ConfigData\r | |
406 | );\r | |
407 | if (EFI_ERROR (Status)) {\r | |
408 | goto Exit;\r | |
409 | }\r | |
410 | \r | |
411 | Token.Status = EFI_NOT_READY;\r | |
412 | IsDone = FALSE;\r | |
413 | //\r | |
414 | // Create event to set the IsDone flag when name resolution is finished.\r | |
415 | //\r | |
416 | Status = gBS->CreateEvent (\r | |
417 | EVT_NOTIFY_SIGNAL,\r | |
418 | TPL_NOTIFY,\r | |
419 | HttpBootCommonNotify,\r | |
420 | &IsDone,\r | |
421 | &Token.Event\r | |
422 | );\r | |
423 | if (EFI_ERROR (Status)) {\r | |
424 | goto Exit;\r | |
425 | }\r | |
426 | \r | |
427 | //\r | |
428 | // Start asynchronous name resolution.\r | |
429 | //\r | |
430 | Status = Dns6->HostNameToIp (Dns6, HostName, &Token);\r | |
431 | if (EFI_ERROR (Status)) {\r | |
432 | goto Exit;\r | |
433 | }\r | |
434 | \r | |
435 | while (!IsDone) {\r | |
436 | Dns6->Poll (Dns6);\r | |
437 | }\r | |
438 | \r | |
439 | //\r | |
440 | // Name resolution is done, check result.\r | |
441 | //\r | |
442 | Status = Token.Status;\r | |
443 | if (!EFI_ERROR (Status)) {\r | |
444 | if (Token.RspData.H2AData == NULL) {\r | |
445 | Status = EFI_DEVICE_ERROR;\r | |
446 | goto Exit;\r | |
447 | }\r | |
448 | \r | |
449 | if ((Token.RspData.H2AData->IpCount == 0) || (Token.RspData.H2AData->IpList == NULL)) {\r | |
450 | Status = EFI_DEVICE_ERROR;\r | |
451 | goto Exit;\r | |
452 | }\r | |
453 | \r | |
454 | //\r | |
455 | // We just return the first IPv6 address from DNS protocol.\r | |
456 | //\r | |
457 | IP6_COPY_ADDRESS (IpAddress, Token.RspData.H2AData->IpList);\r | |
458 | Status = EFI_SUCCESS;\r | |
459 | }\r | |
460 | \r | |
461 | Exit:\r | |
462 | \r | |
463 | if (Token.Event != NULL) {\r | |
464 | gBS->CloseEvent (Token.Event);\r | |
465 | }\r | |
466 | \r | |
467 | if (Token.RspData.H2AData != NULL) {\r | |
468 | if (Token.RspData.H2AData->IpList != NULL) {\r | |
469 | FreePool (Token.RspData.H2AData->IpList);\r | |
470 | }\r | |
471 | \r | |
472 | FreePool (Token.RspData.H2AData);\r | |
473 | }\r | |
474 | \r | |
475 | if (Dns6 != NULL) {\r | |
476 | Dns6->Configure (Dns6, NULL);\r | |
477 | \r | |
478 | gBS->CloseProtocol (\r | |
479 | Dns6Handle,\r | |
480 | &gEfiDns6ProtocolGuid,\r | |
481 | Private->Ip6Nic->ImageHandle,\r | |
482 | Private->Controller\r | |
483 | );\r | |
484 | }\r | |
485 | \r | |
486 | if (Dns6Handle != NULL) {\r | |
487 | NetLibDestroyServiceChild (\r | |
488 | Private->Controller,\r | |
489 | Private->Ip6Nic->ImageHandle,\r | |
490 | &gEfiDns6ServiceBindingProtocolGuid,\r | |
491 | Dns6Handle\r | |
492 | );\r | |
493 | }\r | |
494 | \r | |
495 | if (DnsServerList != NULL) {\r | |
496 | FreePool (DnsServerList);\r | |
497 | }\r | |
498 | \r | |
499 | return Status;\r | |
500 | }\r | |
501 | \r | |
502 | /**\r | |
503 | This function checks the HTTP(S) URI scheme.\r | |
504 | \r | |
505 | @param[in] Uri The pointer to the URI string.\r | |
506 | \r | |
507 | @retval EFI_SUCCESS The URI scheme is valid.\r | |
508 | @retval EFI_INVALID_PARAMETER The URI scheme is not HTTP or HTTPS.\r | |
509 | @retval EFI_ACCESS_DENIED HTTP is disabled and the URI is HTTP.\r | |
510 | \r | |
511 | **/\r | |
512 | EFI_STATUS\r | |
513 | HttpBootCheckUriScheme (\r | |
514 | IN CHAR8 *Uri\r | |
515 | )\r | |
516 | {\r | |
517 | UINTN Index;\r | |
518 | EFI_STATUS Status;\r | |
519 | \r | |
520 | Status = EFI_SUCCESS;\r | |
521 | \r | |
522 | //\r | |
523 | // Convert the scheme to all lower case.\r | |
524 | //\r | |
525 | for (Index = 0; Index < AsciiStrLen (Uri); Index++) {\r | |
526 | if (Uri[Index] == ':') {\r | |
527 | break;\r | |
528 | }\r | |
529 | \r | |
530 | if ((Uri[Index] >= 'A') && (Uri[Index] <= 'Z')) {\r | |
531 | Uri[Index] -= (CHAR8)('A' - 'a');\r | |
532 | }\r | |
533 | }\r | |
534 | \r | |
535 | //\r | |
536 | // Return EFI_INVALID_PARAMETER if the URI is not HTTP or HTTPS.\r | |
537 | //\r | |
538 | if ((AsciiStrnCmp (Uri, "http://", 7) != 0) && (AsciiStrnCmp (Uri, "https://", 8) != 0)) {\r | |
539 | DEBUG ((DEBUG_ERROR, "HttpBootCheckUriScheme: Invalid Uri.\n"));\r | |
540 | return EFI_INVALID_PARAMETER;\r | |
541 | }\r | |
542 | \r | |
543 | //\r | |
544 | // HTTP is disabled, return EFI_ACCESS_DENIED if the URI is HTTP.\r | |
545 | //\r | |
546 | if (!PcdGetBool (PcdAllowHttpConnections) && (AsciiStrnCmp (Uri, "http://", 7) == 0)) {\r | |
547 | DEBUG ((DEBUG_ERROR, "HttpBootCheckUriScheme: HTTP is disabled.\n"));\r | |
548 | return EFI_ACCESS_DENIED;\r | |
549 | }\r | |
550 | \r | |
551 | return Status;\r | |
552 | }\r | |
553 | \r | |
554 | /**\r | |
555 | Get the URI address string from the input device path.\r | |
556 | \r | |
557 | Caller need to free the buffer in the UriAddress pointer.\r | |
558 | \r | |
559 | @param[in] FilePath Pointer to the device path which contains a URI device path node.\r | |
560 | @param[out] UriAddress The URI address string extract from the device path.\r | |
561 | \r | |
562 | @retval EFI_SUCCESS The URI string is returned.\r | |
563 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r | |
564 | \r | |
565 | **/\r | |
566 | EFI_STATUS\r | |
567 | HttpBootParseFilePath (\r | |
568 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
569 | OUT CHAR8 **UriAddress\r | |
570 | )\r | |
571 | {\r | |
572 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
573 | URI_DEVICE_PATH *UriDevicePath;\r | |
574 | CHAR8 *Uri;\r | |
575 | UINTN UriStrLength;\r | |
576 | \r | |
577 | if (FilePath == NULL) {\r | |
578 | return EFI_INVALID_PARAMETER;\r | |
579 | }\r | |
580 | \r | |
581 | *UriAddress = NULL;\r | |
582 | \r | |
583 | //\r | |
584 | // Extract the URI address from the FilePath\r | |
585 | //\r | |
586 | TempDevicePath = FilePath;\r | |
587 | while (!IsDevicePathEnd (TempDevicePath)) {\r | |
588 | if ((DevicePathType (TempDevicePath) == MESSAGING_DEVICE_PATH) &&\r | |
589 | (DevicePathSubType (TempDevicePath) == MSG_URI_DP))\r | |
590 | {\r | |
591 | UriDevicePath = (URI_DEVICE_PATH *)TempDevicePath;\r | |
592 | //\r | |
593 | // UEFI Spec doesn't require the URI to be a NULL-terminated string\r | |
594 | // So we allocate a new buffer and always append a '\0' to it.\r | |
595 | //\r | |
596 | UriStrLength = DevicePathNodeLength (UriDevicePath) - sizeof (EFI_DEVICE_PATH_PROTOCOL);\r | |
597 | if (UriStrLength == 0) {\r | |
598 | //\r | |
599 | // return a NULL UriAddress if it's a empty URI device path node.\r | |
600 | //\r | |
601 | break;\r | |
602 | }\r | |
603 | \r | |
604 | Uri = AllocatePool (UriStrLength + 1);\r | |
605 | if (Uri == NULL) {\r | |
606 | return EFI_OUT_OF_RESOURCES;\r | |
607 | }\r | |
608 | \r | |
609 | CopyMem (Uri, UriDevicePath->Uri, DevicePathNodeLength (UriDevicePath) - sizeof (EFI_DEVICE_PATH_PROTOCOL));\r | |
610 | Uri[DevicePathNodeLength (UriDevicePath) - sizeof (EFI_DEVICE_PATH_PROTOCOL)] = '\0';\r | |
611 | \r | |
612 | *UriAddress = Uri;\r | |
613 | }\r | |
614 | \r | |
615 | TempDevicePath = NextDevicePathNode (TempDevicePath);\r | |
616 | }\r | |
617 | \r | |
618 | return EFI_SUCCESS;\r | |
619 | }\r | |
620 | \r | |
621 | /**\r | |
622 | This function returns the image type according to server replied HTTP message\r | |
623 | and also the image's URI info.\r | |
624 | \r | |
625 | @param[in] Uri The pointer to the image's URI string.\r | |
626 | @param[in] UriParser URI Parse result returned by NetHttpParseUrl().\r | |
627 | @param[in] HeaderCount Number of HTTP header structures in Headers list.\r | |
628 | @param[in] Headers Array containing list of HTTP headers.\r | |
629 | @param[out] ImageType The image type of the downloaded file.\r | |
630 | \r | |
631 | @retval EFI_SUCCESS The image type is returned in ImageType.\r | |
632 | @retval EFI_INVALID_PARAMETER ImageType, Uri or UriParser is NULL.\r | |
633 | @retval EFI_INVALID_PARAMETER HeaderCount is not zero, and Headers is NULL.\r | |
634 | @retval EFI_NOT_FOUND Failed to identify the image type.\r | |
635 | @retval Others Unexpected error happened.\r | |
636 | \r | |
637 | **/\r | |
638 | EFI_STATUS\r | |
639 | HttpBootCheckImageType (\r | |
640 | IN CHAR8 *Uri,\r | |
641 | IN VOID *UriParser,\r | |
642 | IN UINTN HeaderCount,\r | |
643 | IN EFI_HTTP_HEADER *Headers,\r | |
644 | OUT HTTP_BOOT_IMAGE_TYPE *ImageType\r | |
645 | )\r | |
646 | {\r | |
647 | EFI_STATUS Status;\r | |
648 | EFI_HTTP_HEADER *Header;\r | |
649 | CHAR8 *FilePath;\r | |
650 | CHAR8 *FilePost;\r | |
651 | \r | |
652 | if ((Uri == NULL) || (UriParser == NULL) || (ImageType == NULL)) {\r | |
653 | return EFI_INVALID_PARAMETER;\r | |
654 | }\r | |
655 | \r | |
656 | if ((HeaderCount != 0) && (Headers == NULL)) {\r | |
657 | return EFI_INVALID_PARAMETER;\r | |
658 | }\r | |
659 | \r | |
660 | //\r | |
661 | // Determine the image type by the HTTP Content-Type header field first.\r | |
662 | // "application/efi" -> EFI Image\r | |
663 | // "application/vnd.efi-iso" -> CD/DVD Image\r | |
664 | // "application/vnd.efi-img" -> Virtual Disk Image\r | |
665 | //\r | |
666 | Header = HttpFindHeader (HeaderCount, Headers, HTTP_HEADER_CONTENT_TYPE);\r | |
667 | if (Header != NULL) {\r | |
668 | if (AsciiStriCmp (Header->FieldValue, HTTP_CONTENT_TYPE_APP_EFI) == 0) {\r | |
669 | *ImageType = ImageTypeEfi;\r | |
670 | return EFI_SUCCESS;\r | |
671 | } else if (AsciiStriCmp (Header->FieldValue, HTTP_CONTENT_TYPE_APP_ISO) == 0) {\r | |
672 | *ImageType = ImageTypeVirtualCd;\r | |
673 | return EFI_SUCCESS;\r | |
674 | } else if (AsciiStriCmp (Header->FieldValue, HTTP_CONTENT_TYPE_APP_IMG) == 0) {\r | |
675 | *ImageType = ImageTypeVirtualDisk;\r | |
676 | return EFI_SUCCESS;\r | |
677 | }\r | |
678 | }\r | |
679 | \r | |
680 | //\r | |
681 | // Determine the image type by file extension:\r | |
682 | // *.efi -> EFI Image\r | |
683 | // *.iso -> CD/DVD Image\r | |
684 | // *.img -> Virtual Disk Image\r | |
685 | //\r | |
686 | Status = HttpUrlGetPath (\r | |
687 | Uri,\r | |
688 | UriParser,\r | |
689 | &FilePath\r | |
690 | );\r | |
691 | if (EFI_ERROR (Status)) {\r | |
692 | return Status;\r | |
693 | }\r | |
694 | \r | |
695 | FilePost = FilePath + AsciiStrLen (FilePath) - 4;\r | |
696 | if (AsciiStriCmp (FilePost, ".efi") == 0) {\r | |
697 | *ImageType = ImageTypeEfi;\r | |
698 | } else if (AsciiStriCmp (FilePost, ".iso") == 0) {\r | |
699 | *ImageType = ImageTypeVirtualCd;\r | |
700 | } else if (AsciiStriCmp (FilePost, ".img") == 0) {\r | |
701 | *ImageType = ImageTypeVirtualDisk;\r | |
702 | } else {\r | |
703 | *ImageType = ImageTypeMax;\r | |
704 | }\r | |
705 | \r | |
706 | FreePool (FilePath);\r | |
707 | \r | |
708 | return (*ImageType < ImageTypeMax) ? EFI_SUCCESS : EFI_NOT_FOUND;\r | |
709 | }\r | |
710 | \r | |
711 | /**\r | |
712 | This function register the RAM disk info to the system.\r | |
713 | \r | |
714 | @param[in] Private The pointer to the driver's private data.\r | |
715 | @param[in] BufferSize The size of Buffer in bytes.\r | |
716 | @param[in] Buffer The base address of the RAM disk.\r | |
717 | @param[in] ImageType The image type of the file in Buffer.\r | |
718 | \r | |
719 | @retval EFI_SUCCESS The RAM disk has been registered.\r | |
720 | @retval EFI_NOT_FOUND No RAM disk protocol instances were found.\r | |
721 | @retval EFI_UNSUPPORTED The ImageType is not supported.\r | |
722 | @retval Others Unexpected error happened.\r | |
723 | \r | |
724 | **/\r | |
725 | EFI_STATUS\r | |
726 | HttpBootRegisterRamDisk (\r | |
727 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r | |
728 | IN UINTN BufferSize,\r | |
729 | IN VOID *Buffer,\r | |
730 | IN HTTP_BOOT_IMAGE_TYPE ImageType\r | |
731 | )\r | |
732 | {\r | |
733 | EFI_RAM_DISK_PROTOCOL *RamDisk;\r | |
734 | EFI_STATUS Status;\r | |
735 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
736 | EFI_GUID *RamDiskType;\r | |
737 | \r | |
738 | ASSERT (Private != NULL);\r | |
739 | ASSERT (Buffer != NULL);\r | |
740 | ASSERT (BufferSize != 0);\r | |
741 | \r | |
742 | Status = gBS->LocateProtocol (&gEfiRamDiskProtocolGuid, NULL, (VOID **)&RamDisk);\r | |
743 | if (EFI_ERROR (Status)) {\r | |
744 | DEBUG ((DEBUG_ERROR, "HTTP Boot: Couldn't find the RAM Disk protocol - %r\n", Status));\r | |
745 | return Status;\r | |
746 | }\r | |
747 | \r | |
748 | if (ImageType == ImageTypeVirtualCd) {\r | |
749 | RamDiskType = &gEfiVirtualCdGuid;\r | |
750 | } else if (ImageType == ImageTypeVirtualDisk) {\r | |
751 | RamDiskType = &gEfiVirtualDiskGuid;\r | |
752 | } else {\r | |
753 | return EFI_UNSUPPORTED;\r | |
754 | }\r | |
755 | \r | |
756 | Status = RamDisk->Register (\r | |
757 | (UINTN)Buffer,\r | |
758 | (UINT64)BufferSize,\r | |
759 | RamDiskType,\r | |
760 | Private->UsingIpv6 ? Private->Ip6Nic->DevicePath : Private->Ip4Nic->DevicePath,\r | |
761 | &DevicePath\r | |
762 | );\r | |
763 | if (EFI_ERROR (Status)) {\r | |
764 | DEBUG ((DEBUG_ERROR, "HTTP Boot: Failed to register RAM Disk - %r\n", Status));\r | |
765 | }\r | |
766 | \r | |
767 | return Status;\r | |
768 | }\r | |
769 | \r | |
770 | /**\r | |
771 | Indicate if the HTTP status code indicates a redirection.\r | |
772 | \r | |
773 | @param[in] StatusCode HTTP status code from server.\r | |
774 | \r | |
775 | @return TRUE if it's redirection.\r | |
776 | \r | |
777 | **/\r | |
778 | BOOLEAN\r | |
779 | HttpBootIsHttpRedirectStatusCode (\r | |
780 | IN EFI_HTTP_STATUS_CODE StatusCode\r | |
781 | )\r | |
782 | {\r | |
783 | if ((StatusCode == HTTP_STATUS_301_MOVED_PERMANENTLY) ||\r | |
784 | (StatusCode == HTTP_STATUS_302_FOUND) ||\r | |
785 | (StatusCode == HTTP_STATUS_307_TEMPORARY_REDIRECT) ||\r | |
786 | (StatusCode == HTTP_STATUS_308_PERMANENT_REDIRECT))\r | |
787 | {\r | |
788 | return TRUE;\r | |
789 | }\r | |
790 | \r | |
791 | return FALSE;\r | |
792 | }\r |