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3d79bcb2 GCPL |
1 | /* |
2 | * Copyright 2015 SUSE LINUX GmbH <glin@suse.com> | |
3 | * | |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted provided that the following conditions | |
6 | * are met: | |
7 | * | |
8 | * Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * | |
11 | * Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the | |
14 | * distribution. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
17 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
18 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
19 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
20 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
21 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
22 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
23 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
25 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
27 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
28 | * | |
29 | * Significant portions of this code are derived from Tianocore | |
30 | * (http://tianocore.sf.net) and are Copyright 2009-2012 Intel | |
31 | * Corporation. | |
32 | */ | |
33 | ||
34 | #include <efi.h> | |
35 | #include <efilib.h> | |
36 | #include "str.h" | |
37 | #include "Http.h" | |
38 | #include "Ip4Config2.h" | |
39 | #include "Ip6Config.h" | |
40 | ||
3d79bcb2 GCPL |
41 | #define perror(fmt, ...) ({ \ |
42 | UINTN __perror_ret = 0; \ | |
43 | if (!in_protocol) \ | |
44 | __perror_ret = Print((fmt), ##__VA_ARGS__); \ | |
45 | __perror_ret; \ | |
46 | }) | |
47 | ||
48 | static UINTN | |
49 | ascii_to_int (CONST CHAR8 *str) | |
50 | { | |
51 | UINTN u; | |
52 | CHAR8 c; | |
53 | ||
54 | // skip preceeding white space | |
55 | while (*str && *str == ' ') { | |
56 | str += 1; | |
57 | } | |
58 | ||
59 | // convert digits | |
60 | u = 0; | |
61 | while ((c = *(str++))) { | |
62 | if (c >= '0' && c <= '9') { | |
63 | u = (u * 10) + c - '0'; | |
64 | } else { | |
65 | break; | |
66 | } | |
67 | } | |
68 | ||
69 | return u; | |
70 | } | |
71 | ||
72 | static UINTN | |
73 | convert_http_status_code (EFI_HTTP_STATUS_CODE status_code) | |
74 | { | |
75 | if (status_code >= HTTP_STATUS_100_CONTINUE && | |
76 | status_code < HTTP_STATUS_200_OK) { | |
77 | return (status_code - HTTP_STATUS_100_CONTINUE + 100); | |
78 | } else if (status_code >= HTTP_STATUS_200_OK && | |
79 | status_code < HTTP_STATUS_300_MULTIPLE_CHIOCES) { | |
80 | return (status_code - HTTP_STATUS_200_OK + 200); | |
81 | } else if (status_code >= HTTP_STATUS_300_MULTIPLE_CHIOCES && | |
82 | status_code < HTTP_STATUS_400_BAD_REQUEST) { | |
83 | return (status_code - HTTP_STATUS_300_MULTIPLE_CHIOCES + 300); | |
84 | } else if (status_code >= HTTP_STATUS_400_BAD_REQUEST && | |
85 | status_code < HTTP_STATUS_500_INTERNAL_SERVER_ERROR) { | |
86 | return (status_code - HTTP_STATUS_400_BAD_REQUEST + 400); | |
87 | } else if (status_code >= HTTP_STATUS_500_INTERNAL_SERVER_ERROR) { | |
88 | return (status_code - HTTP_STATUS_500_INTERNAL_SERVER_ERROR + 500); | |
89 | } | |
90 | ||
91 | return 0; | |
92 | } | |
93 | ||
94 | static EFI_DEVICE_PATH *devpath; | |
95 | static EFI_MAC_ADDRESS mac_addr; | |
96 | static IPv4_DEVICE_PATH ip4_node; | |
97 | static IPv6_DEVICE_PATH ip6_node; | |
98 | static BOOLEAN is_ip6; | |
99 | static CHAR8 *uri; | |
100 | ||
101 | BOOLEAN | |
102 | find_httpboot (EFI_HANDLE device) | |
103 | { | |
104 | EFI_DEVICE_PATH *unpacked; | |
105 | EFI_DEVICE_PATH *Node; | |
106 | EFI_DEVICE_PATH *NextNode; | |
107 | MAC_ADDR_DEVICE_PATH *MacNode; | |
108 | URI_DEVICE_PATH *UriNode; | |
109 | UINTN uri_size; | |
110 | ||
7d745e49 | 111 | if (uri) { |
3d79bcb2 | 112 | FreePool(uri); |
7d745e49 LZ |
113 | uri = NULL; |
114 | } | |
3d79bcb2 GCPL |
115 | |
116 | devpath = DevicePathFromHandle(device); | |
117 | if (!devpath) { | |
118 | perror(L"Failed to get device path\n"); | |
119 | return FALSE; | |
120 | } | |
121 | ||
122 | unpacked = UnpackDevicePath(devpath); | |
123 | if (!unpacked) { | |
124 | perror(L"Failed to unpack device path\n"); | |
125 | return FALSE; | |
126 | } | |
127 | Node = unpacked; | |
128 | ||
129 | /* Traverse the device path to find IPv4()/Uri() or IPv6()/Uri() */ | |
130 | while (!IsDevicePathEnd(Node)) { | |
131 | /* Save the MAC node so we can match the net card later */ | |
132 | if (DevicePathType(Node) == MESSAGING_DEVICE_PATH && | |
133 | DevicePathSubType(Node) == MSG_MAC_ADDR_DP) { | |
134 | MacNode = (MAC_ADDR_DEVICE_PATH *)Node; | |
135 | CopyMem(&mac_addr, &MacNode->MacAddress, sizeof(EFI_MAC_ADDRESS)); | |
136 | } | |
137 | ||
138 | if (DevicePathType(Node) == MESSAGING_DEVICE_PATH && | |
139 | (DevicePathSubType(Node) == MSG_IPv4_DP || | |
140 | DevicePathSubType(Node) == MSG_IPv6_DP)) { | |
141 | /* Save the IP node so we can set up the connection later */ | |
142 | if (DevicePathSubType(Node) == MSG_IPv6_DP) { | |
143 | CopyMem(&ip6_node, Node, sizeof(IPv6_DEVICE_PATH)); | |
144 | is_ip6 = TRUE; | |
145 | } else { | |
146 | CopyMem(&ip4_node, Node, sizeof(IPv4_DEVICE_PATH)); | |
147 | is_ip6 = FALSE; | |
148 | } | |
149 | ||
150 | Node = NextDevicePathNode(Node); | |
151 | NextNode = NextDevicePathNode(Node); | |
152 | if (DevicePathType(Node) == MESSAGING_DEVICE_PATH && | |
153 | DevicePathSubType(Node) == MSG_URI_DP && | |
154 | IsDevicePathEnd(NextNode)) { | |
155 | /* Save the current URI */ | |
156 | UriNode = (URI_DEVICE_PATH *)Node; | |
157 | uri_size = strlena(UriNode->Uri); | |
158 | uri = AllocatePool(uri_size + 1); | |
159 | if (!uri) { | |
160 | perror(L"Failed to allocate uri\n"); | |
161 | return FALSE; | |
162 | } | |
163 | CopyMem(uri, UriNode->Uri, uri_size + 1); | |
164 | FreePool(unpacked); | |
165 | return TRUE; | |
166 | } | |
167 | } | |
168 | Node = NextDevicePathNode(Node); | |
169 | } | |
170 | ||
171 | FreePool(unpacked); | |
172 | return FALSE; | |
173 | } | |
174 | ||
175 | static EFI_STATUS | |
176 | generate_next_uri (CONST CHAR8 *current_uri, CONST CHAR8 *next_loader, | |
177 | CHAR8 **uri) | |
178 | { | |
179 | CONST CHAR8 *ptr; | |
180 | UINTN next_len; | |
181 | UINTN path_len = 0; | |
182 | UINTN count = 0; | |
183 | ||
184 | if (strncmpa(current_uri, (CHAR8 *)"http://", 7) == 0) { | |
185 | ptr = current_uri + 7; | |
186 | count += 7; | |
3ee08dde GL |
187 | } else if (strncmpa(current_uri, (CHAR8 *)"https://", 8) == 0) { |
188 | ptr = current_uri + 8; | |
189 | count += 8; | |
3d79bcb2 GCPL |
190 | } else { |
191 | return EFI_INVALID_PARAMETER; | |
192 | } | |
193 | ||
194 | /* Extract the path */ | |
195 | next_len = strlena(next_loader); | |
196 | while (*ptr != '\0') { | |
197 | count++; | |
198 | if (*ptr == '/') | |
199 | path_len = count; | |
200 | ptr++; | |
201 | } | |
202 | ||
203 | *uri = AllocatePool(sizeof(CHAR8) * (path_len + next_len + 1)); | |
204 | if (!*uri) | |
205 | return EFI_OUT_OF_RESOURCES; | |
206 | ||
207 | CopyMem(*uri, current_uri, path_len); | |
208 | CopyMem(*uri + path_len, next_loader, next_len); | |
209 | (*uri)[path_len + next_len] = '\0'; | |
210 | ||
211 | return EFI_SUCCESS; | |
212 | } | |
213 | ||
214 | static EFI_STATUS | |
215 | extract_hostname (CONST CHAR8 *url, CHAR8 **hostname) | |
216 | { | |
217 | CONST CHAR8 *ptr, *start; | |
218 | UINTN host_len = 0; | |
219 | ||
220 | if (strncmpa(url, (CHAR8 *)"http://", 7) == 0) | |
221 | start = url + 7; | |
3ee08dde GL |
222 | else if (strncmpa(url, (CHAR8 *)"https://", 8) == 0) |
223 | start = url + 8; | |
3d79bcb2 GCPL |
224 | else |
225 | return EFI_INVALID_PARAMETER; | |
226 | ||
227 | ptr = start; | |
228 | while (*ptr != '/' && *ptr != '\0') { | |
229 | host_len++; | |
230 | ptr++; | |
231 | } | |
232 | ||
233 | *hostname = AllocatePool(sizeof(CHAR8) * (host_len + 1)); | |
234 | if (!*hostname) | |
235 | return EFI_OUT_OF_RESOURCES; | |
236 | ||
237 | CopyMem(*hostname, start, host_len); | |
238 | (*hostname)[host_len] = '\0'; | |
239 | ||
240 | return EFI_SUCCESS; | |
241 | } | |
242 | ||
243 | #define SAME_MAC_ADDR(a, b) (!CompareMem(a, b, sizeof(EFI_MAC_ADDRESS))) | |
244 | ||
245 | static EFI_HANDLE | |
246 | get_nic_handle (EFI_MAC_ADDRESS *mac) | |
247 | { | |
248 | EFI_GUID http_binding_guid = EFI_HTTP_SERVICE_BINDING_PROTOCOL_GUID; | |
249 | EFI_DEVICE_PATH *unpacked = NULL; | |
250 | EFI_DEVICE_PATH *Node; | |
251 | EFI_DEVICE_PATH *temp_path = NULL; | |
252 | MAC_ADDR_DEVICE_PATH *MacNode; | |
253 | EFI_HANDLE handle = NULL; | |
254 | EFI_HANDLE *buffer; | |
255 | UINTN NoHandles; | |
256 | UINTN i; | |
257 | EFI_STATUS status; | |
258 | ||
259 | /* Get the list of handles that support the HTTP service binding | |
260 | protocol */ | |
261 | status = uefi_call_wrapper(BS->LocateHandleBuffer, 5, | |
262 | ByProtocol, | |
263 | &http_binding_guid, | |
264 | NULL, | |
265 | &NoHandles, | |
266 | &buffer); | |
267 | if (EFI_ERROR(status)) | |
268 | return NULL; | |
269 | ||
270 | for (i = 0; i < NoHandles; i++) { | |
271 | temp_path = DevicePathFromHandle(buffer[i]); | |
272 | ||
273 | /* Match the MAC address */ | |
274 | unpacked = UnpackDevicePath(temp_path); | |
275 | if (!unpacked) { | |
276 | perror(L"Failed to unpack device path\n"); | |
277 | continue; | |
278 | } | |
279 | Node = unpacked; | |
280 | while (!IsDevicePathEnd(Node)) { | |
281 | if (DevicePathType(Node) == MESSAGING_DEVICE_PATH && | |
282 | DevicePathSubType(Node) == MSG_MAC_ADDR_DP) { | |
283 | MacNode = (MAC_ADDR_DEVICE_PATH *)Node; | |
284 | if (SAME_MAC_ADDR(mac, &MacNode->MacAddress)) { | |
285 | handle = buffer[i]; | |
286 | goto out; | |
287 | } | |
288 | } | |
289 | Node = NextDevicePathNode(Node); | |
290 | } | |
291 | FreePool(unpacked); | |
292 | unpacked = NULL; | |
293 | } | |
294 | ||
295 | out: | |
296 | if (unpacked) | |
297 | FreePool(unpacked); | |
298 | FreePool(buffer); | |
299 | ||
300 | return handle; | |
301 | } | |
302 | ||
303 | static BOOLEAN | |
304 | is_unspecified_addr (EFI_IPv6_ADDRESS ip6) | |
305 | { | |
306 | UINT8 i; | |
307 | ||
308 | for (i = 0; i<16; i++) { | |
309 | if (ip6.Addr[i] != 0) | |
310 | return FALSE; | |
311 | } | |
312 | ||
313 | return TRUE; | |
314 | } | |
315 | ||
316 | static EFI_STATUS | |
317 | set_ip6(EFI_HANDLE *nic, IPv6_DEVICE_PATH *ip6node) | |
318 | { | |
319 | EFI_GUID ip6_config_guid = EFI_IP6_CONFIG_PROTOCOL_GUID; | |
320 | EFI_IP6_CONFIG_PROTOCOL *ip6cfg; | |
321 | EFI_IP6_CONFIG_MANUAL_ADDRESS ip6; | |
322 | EFI_IPv6_ADDRESS gateway; | |
323 | EFI_STATUS status; | |
324 | ||
325 | status = uefi_call_wrapper(BS->HandleProtocol, 3, | |
326 | nic, | |
327 | &ip6_config_guid, | |
328 | (VOID **)&ip6cfg); | |
329 | if (EFI_ERROR (status)) | |
330 | return status; | |
331 | ||
332 | ip6.Address = ip6node->LocalIpAddress; | |
333 | ip6.PrefixLength = ip6node->PrefixLength; | |
334 | ip6.IsAnycast = FALSE; | |
335 | status = uefi_call_wrapper(ip6cfg->SetData, 4, | |
336 | ip6cfg, | |
337 | Ip6ConfigDataTypeManualAddress, | |
338 | sizeof(ip6), | |
339 | &ip6); | |
340 | if (EFI_ERROR (status)) | |
341 | return status; | |
342 | ||
343 | gateway = ip6node->GatewayIpAddress; | |
344 | if (is_unspecified_addr(gateway)) | |
345 | return EFI_SUCCESS; | |
346 | ||
347 | status = uefi_call_wrapper(ip6cfg->SetData, 4, | |
348 | ip6cfg, | |
349 | Ip6ConfigDataTypeGateway, | |
350 | sizeof(gateway), | |
351 | &gateway); | |
352 | if (EFI_ERROR (status)) | |
353 | return status; | |
354 | ||
355 | return EFI_SUCCESS; | |
356 | } | |
357 | ||
358 | static EFI_STATUS | |
359 | set_ip4(EFI_HANDLE *nic, IPv4_DEVICE_PATH *ip4node) | |
360 | { | |
361 | EFI_GUID ip4_config2_guid = EFI_IP4_CONFIG2_PROTOCOL_GUID; | |
362 | EFI_IP4_CONFIG2_PROTOCOL *ip4cfg2; | |
363 | EFI_IP4_CONFIG2_MANUAL_ADDRESS ip4; | |
364 | EFI_IPv4_ADDRESS gateway; | |
365 | EFI_STATUS status; | |
366 | ||
367 | status = uefi_call_wrapper(BS->HandleProtocol, 3, | |
368 | nic, | |
369 | &ip4_config2_guid, | |
370 | (VOID **)&ip4cfg2); | |
371 | if (EFI_ERROR (status)) | |
372 | return status; | |
373 | ||
374 | ip4.Address = ip4node->LocalIpAddress; | |
375 | ip4.SubnetMask = ip4node->SubnetMask; | |
376 | status = uefi_call_wrapper(ip4cfg2->SetData, 4, | |
377 | ip4cfg2, | |
378 | Ip4Config2DataTypeManualAddress, | |
379 | sizeof(ip4), | |
380 | &ip4); | |
381 | if (EFI_ERROR (status)) | |
382 | return status; | |
383 | ||
384 | gateway = ip4node->GatewayIpAddress; | |
385 | status = uefi_call_wrapper(ip4cfg2->SetData, 4, | |
386 | ip4cfg2, | |
387 | Ip4Config2DataTypeGateway, | |
388 | sizeof(gateway), | |
389 | &gateway); | |
390 | if (EFI_ERROR (status)) | |
391 | return status; | |
392 | ||
393 | return EFI_SUCCESS; | |
394 | } | |
395 | ||
396 | static VOID EFIAPI | |
397 | httpnotify (EFI_EVENT Event, VOID *Context) | |
398 | { | |
399 | *((BOOLEAN *) Context) = TRUE; | |
400 | } | |
401 | ||
402 | static EFI_STATUS | |
403 | configure_http (EFI_HTTP_PROTOCOL *http, BOOLEAN is_ip6) | |
404 | { | |
405 | EFI_HTTP_CONFIG_DATA http_mode; | |
406 | EFI_HTTPv4_ACCESS_POINT ip4node; | |
407 | EFI_HTTPv6_ACCESS_POINT ip6node; | |
408 | ||
409 | /* Configure HTTP */ | |
410 | ZeroMem(&http_mode, sizeof(http_mode)); | |
411 | http_mode.HttpVersion = HttpVersion11; | |
412 | /* use the default time out */ | |
413 | http_mode.TimeOutMillisec = 0; | |
414 | ||
415 | if (!is_ip6) { | |
416 | http_mode.LocalAddressIsIPv6 = FALSE; | |
417 | ZeroMem(&ip4node, sizeof(ip4node)); | |
418 | ip4node.UseDefaultAddress = TRUE; | |
419 | http_mode.AccessPoint.IPv4Node = &ip4node; | |
420 | } else { | |
421 | http_mode.LocalAddressIsIPv6 = TRUE; | |
422 | ZeroMem(&ip6node, sizeof(ip6node)); | |
423 | http_mode.AccessPoint.IPv6Node = &ip6node; | |
424 | } | |
425 | ||
426 | return uefi_call_wrapper(http->Configure, 2, http, &http_mode); | |
427 | } | |
428 | ||
429 | static EFI_STATUS | |
430 | send_http_request (EFI_HTTP_PROTOCOL *http, CHAR8 *hostname, CHAR8 *uri) | |
431 | { | |
432 | EFI_HTTP_TOKEN tx_token; | |
433 | EFI_HTTP_MESSAGE tx_message; | |
434 | EFI_HTTP_REQUEST_DATA request; | |
435 | EFI_HTTP_HEADER headers[3]; | |
436 | BOOLEAN request_done; | |
437 | CHAR16 *Url = NULL; | |
438 | EFI_STATUS status; | |
439 | EFI_STATUS event_status; | |
440 | ||
441 | /* Convert the ascii string to the UCS2 string */ | |
442 | Url = PoolPrint(L"%a", uri); | |
443 | if (!Url) | |
444 | return EFI_OUT_OF_RESOURCES; | |
445 | ||
446 | request.Method = HttpMethodGet; | |
447 | request.Url = Url; | |
448 | ||
449 | /* Prepare the HTTP headers */ | |
450 | headers[0].FieldName = (CHAR8 *)"Host"; | |
451 | headers[0].FieldValue = hostname; | |
452 | headers[1].FieldName = (CHAR8 *)"Accept"; | |
453 | headers[1].FieldValue = (CHAR8 *)"*/*"; | |
454 | headers[2].FieldName = (CHAR8 *)"User-Agent"; | |
455 | headers[2].FieldValue = (CHAR8 *)"UefiHttpBoot/1.0"; | |
456 | ||
457 | tx_message.Data.Request = &request; | |
458 | tx_message.HeaderCount = 3; | |
459 | tx_message.Headers = headers; | |
460 | tx_message.BodyLength = 0; | |
461 | tx_message.Body = NULL; | |
462 | ||
463 | tx_token.Status = EFI_NOT_READY; | |
464 | tx_token.Message = &tx_message; | |
465 | tx_token.Event = NULL; | |
466 | request_done = FALSE; | |
467 | status = uefi_call_wrapper(BS->CreateEvent, 5, | |
468 | EVT_NOTIFY_SIGNAL, | |
469 | TPL_NOTIFY, | |
470 | httpnotify, | |
471 | &request_done, | |
472 | &tx_token.Event); | |
473 | if (EFI_ERROR(status)) { | |
474 | perror(L"Failed to Create Event for HTTP request: %r\n", status); | |
475 | goto no_event; | |
476 | } | |
477 | ||
478 | /* Send out the request */ | |
479 | status = uefi_call_wrapper(http->Request, 2, http, &tx_token); | |
480 | if (EFI_ERROR(status)) { | |
481 | perror(L"HTTP request failed: %r\n", status); | |
482 | goto error; | |
483 | } | |
484 | ||
485 | /* Wait for the response */ | |
486 | while (!request_done) | |
487 | uefi_call_wrapper(http->Poll, 1, http); | |
488 | ||
489 | if (EFI_ERROR(tx_token.Status)) { | |
490 | perror(L"HTTP request: %r\n", tx_token.Status); | |
491 | status = tx_token.Status; | |
492 | } | |
493 | ||
494 | error: | |
495 | event_status = uefi_call_wrapper(BS->CloseEvent, 1, tx_token.Event); | |
496 | if (EFI_ERROR(event_status)) { | |
497 | perror(L"Failed to close Event for HTTP request: %r\n", | |
498 | event_status); | |
499 | } | |
500 | ||
501 | no_event: | |
502 | if (Url) | |
503 | FreePool(Url); | |
504 | ||
505 | return status; | |
506 | } | |
507 | ||
508 | static EFI_STATUS | |
d00ea555 | 509 | receive_http_response(EFI_HTTP_PROTOCOL *http, VOID **buffer, UINT64 *buf_size) |
3d79bcb2 GCPL |
510 | { |
511 | EFI_HTTP_TOKEN rx_token; | |
512 | EFI_HTTP_MESSAGE rx_message; | |
513 | EFI_HTTP_RESPONSE_DATA response; | |
514 | EFI_HTTP_STATUS_CODE http_status; | |
515 | BOOLEAN response_done; | |
516 | UINTN i, downloaded; | |
517 | CHAR8 rx_buffer[9216]; | |
518 | EFI_STATUS status; | |
519 | EFI_STATUS event_status; | |
520 | ||
521 | /* Initialize the rx message and buffer */ | |
522 | response.StatusCode = HTTP_STATUS_UNSUPPORTED_STATUS; | |
523 | rx_message.Data.Response = &response; | |
524 | rx_message.HeaderCount = 0; | |
525 | rx_message.Headers = 0; | |
526 | rx_message.BodyLength = sizeof(rx_buffer); | |
527 | rx_message.Body = rx_buffer; | |
528 | ||
529 | rx_token.Status = EFI_NOT_READY; | |
530 | rx_token.Message = &rx_message; | |
531 | rx_token.Event = NULL; | |
532 | response_done = FALSE; | |
533 | status = uefi_call_wrapper(BS->CreateEvent, 5, | |
534 | EVT_NOTIFY_SIGNAL, | |
535 | TPL_NOTIFY, | |
536 | httpnotify, | |
537 | &response_done, | |
538 | &rx_token.Event); | |
539 | if (EFI_ERROR(status)) { | |
540 | perror(L"Failed to Create Event for HTTP response: %r\n", status); | |
541 | goto no_event; | |
542 | } | |
543 | ||
544 | /* Notify the firmware to receive the HTTP messages */ | |
545 | status = uefi_call_wrapper(http->Response, 2, http, &rx_token); | |
546 | if (EFI_ERROR(status)) { | |
547 | perror(L"HTTP response failed: %r\n", status); | |
548 | goto error; | |
549 | } | |
550 | ||
551 | /* Wait for the response */ | |
552 | while (!response_done) | |
553 | uefi_call_wrapper(http->Poll, 1, http); | |
554 | ||
555 | if (EFI_ERROR(rx_token.Status)) { | |
556 | perror(L"HTTP response: %r\n", rx_token.Status); | |
557 | status = rx_token.Status; | |
558 | goto error; | |
559 | } | |
560 | ||
561 | /* Check the HTTP status code */ | |
562 | http_status = rx_token.Message->Data.Response->StatusCode; | |
563 | if (http_status != HTTP_STATUS_200_OK) { | |
564 | perror(L"HTTP Status Code: %d\n", | |
565 | convert_http_status_code(http_status)); | |
566 | status = EFI_ABORTED; | |
567 | goto error; | |
568 | } | |
569 | ||
570 | /* Check the length of the file */ | |
571 | for (i = 0; i < rx_message.HeaderCount; i++) { | |
572 | if (!strcmpa(rx_message.Headers[i].FieldName, (CHAR8 *)"Content-Length")) { | |
573 | *buf_size = ascii_to_int(rx_message.Headers[i].FieldValue); | |
574 | } | |
575 | } | |
576 | ||
577 | if (*buf_size == 0) { | |
578 | perror(L"Failed to get Content-Lenght\n"); | |
579 | goto error; | |
580 | } | |
581 | ||
582 | *buffer = AllocatePool(*buf_size); | |
583 | if (!*buffer) { | |
584 | perror(L"Failed to allocate new rx buffer\n"); | |
585 | goto error; | |
586 | } | |
587 | ||
588 | downloaded = rx_message.BodyLength; | |
589 | ||
590 | CopyMem(*buffer, rx_buffer, downloaded); | |
591 | ||
592 | /* Retreive the rest of the message */ | |
593 | while (downloaded < *buf_size) { | |
594 | if (rx_message.Headers) { | |
595 | FreePool(rx_message.Headers); | |
596 | } | |
597 | rx_message.Headers = NULL; | |
598 | rx_message.HeaderCount = 0; | |
599 | rx_message.Data.Response = NULL; | |
600 | rx_message.BodyLength = sizeof(rx_buffer); | |
601 | rx_message.Body = rx_buffer; | |
602 | ||
603 | rx_token.Status = EFI_NOT_READY; | |
604 | response_done = FALSE; | |
605 | ||
606 | status = uefi_call_wrapper(http->Response, 2, http, &rx_token); | |
607 | if (EFI_ERROR(status)) { | |
608 | perror(L"HTTP response failed: %r\n", status); | |
609 | goto error; | |
610 | } | |
611 | ||
612 | while (!response_done) | |
613 | uefi_call_wrapper(http->Poll, 1, http); | |
614 | ||
615 | if (EFI_ERROR(rx_token.Status)) { | |
616 | perror(L"HTTP response: %r\n", rx_token.Status); | |
617 | status = rx_token.Status; | |
618 | goto error; | |
619 | } | |
620 | ||
621 | if (rx_message.BodyLength + downloaded > *buf_size) { | |
622 | status = EFI_BAD_BUFFER_SIZE; | |
623 | goto error; | |
624 | } | |
625 | ||
626 | CopyMem(*buffer + downloaded, rx_buffer, rx_message.BodyLength); | |
627 | ||
628 | downloaded += rx_message.BodyLength; | |
629 | } | |
630 | ||
631 | error: | |
632 | event_status = uefi_call_wrapper(BS->CloseEvent, 1, rx_token.Event); | |
633 | if (EFI_ERROR(event_status)) { | |
634 | perror(L"Failed to close Event for HTTP response: %r\n", | |
635 | event_status); | |
636 | } | |
637 | ||
638 | no_event: | |
639 | if (EFI_ERROR(status) && *buffer) | |
640 | FreePool(*buffer); | |
641 | ||
642 | return status; | |
643 | } | |
644 | ||
645 | static EFI_STATUS | |
646 | http_fetch (EFI_HANDLE image, EFI_HANDLE device, | |
647 | CHAR8 *hostname, CHAR8 *uri, BOOLEAN is_ip6, | |
d00ea555 | 648 | VOID **buffer, UINT64 *buf_size) |
3d79bcb2 GCPL |
649 | { |
650 | EFI_GUID http_binding_guid = EFI_HTTP_SERVICE_BINDING_PROTOCOL_GUID; | |
651 | EFI_GUID http_protocol_guid = EFI_HTTP_PROTOCOL_GUID; | |
652 | EFI_SERVICE_BINDING *service; | |
653 | EFI_HANDLE http_handle; | |
654 | EFI_HTTP_PROTOCOL *http; | |
655 | EFI_STATUS status; | |
656 | EFI_STATUS child_status; | |
657 | ||
658 | *buffer = NULL; | |
659 | *buf_size = 0; | |
660 | ||
661 | /* Open HTTP Service Binding Protocol */ | |
662 | status = uefi_call_wrapper(BS->OpenProtocol, 6, device, | |
663 | &http_binding_guid, (VOID **)&service, | |
664 | image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL); | |
665 | if (EFI_ERROR (status)) | |
666 | return status; | |
667 | ||
668 | /* Create the ChildHandle from the Service Binding */ | |
669 | /* Set the handle to NULL to request a new handle */ | |
670 | http_handle = NULL; | |
671 | status = uefi_call_wrapper(service->CreateChild, 2, service, | |
672 | &http_handle); | |
673 | if (EFI_ERROR (status)) | |
674 | return status; | |
675 | ||
676 | /* Get the http protocol */ | |
677 | status = uefi_call_wrapper(BS->HandleProtocol, 3, http_handle, | |
678 | &http_protocol_guid, (VOID **)&http); | |
679 | if (EFI_ERROR (status)) { | |
680 | perror(L"Failed to get http\n"); | |
681 | goto error; | |
682 | } | |
683 | ||
684 | status = configure_http(http, is_ip6); | |
685 | if (EFI_ERROR (status)) { | |
686 | perror(L"Failed to configure http: %r\n", status); | |
687 | goto error; | |
688 | } | |
689 | ||
690 | status = send_http_request(http, hostname, uri); | |
691 | if (EFI_ERROR(status)) { | |
692 | perror(L"Failed to send HTTP request: %r\n", status); | |
693 | goto error; | |
694 | } | |
695 | ||
696 | status = receive_http_response(http, buffer, buf_size); | |
697 | if (EFI_ERROR(status)) { | |
698 | perror(L"Failed to receive HTTP response: %r\n", status); | |
699 | goto error; | |
700 | } | |
701 | ||
702 | error: | |
703 | child_status = uefi_call_wrapper(service->DestroyChild, 2, service, | |
704 | http_handle); | |
705 | ||
706 | if (EFI_ERROR(status)) { | |
707 | return status; | |
708 | } else if (EFI_ERROR(child_status)) { | |
709 | return child_status; | |
710 | } | |
711 | ||
712 | return EFI_SUCCESS; | |
713 | } | |
714 | ||
715 | EFI_STATUS | |
83c62ff5 | 716 | httpboot_fetch_buffer (EFI_HANDLE image, VOID **buffer, UINT64 *buf_size) |
3d79bcb2 GCPL |
717 | { |
718 | EFI_STATUS status; | |
719 | EFI_HANDLE nic; | |
720 | CHAR8 *next_loader = NULL; | |
721 | CHAR8 *next_uri = NULL; | |
722 | CHAR8 *hostname = NULL; | |
723 | ||
724 | if (!uri) | |
725 | return EFI_NOT_READY; | |
726 | ||
727 | next_loader = translate_slashes(DEFAULT_LOADER_CHAR); | |
728 | ||
729 | /* Create the URI for the next loader based on the original URI */ | |
730 | status = generate_next_uri(uri, next_loader, &next_uri); | |
731 | if (EFI_ERROR (status)) { | |
732 | perror(L"Next URI: %a, %r\n", next_uri, status); | |
733 | goto error; | |
734 | } | |
735 | ||
736 | /* Extract the hostname (or IP) from URI */ | |
737 | status = extract_hostname(uri, &hostname); | |
738 | if (EFI_ERROR (status)) { | |
739 | perror(L"hostname: %a, %r\n", hostname, status); | |
740 | goto error; | |
741 | } | |
742 | ||
743 | /* Get the handle that associates with the NIC we are using and | |
744 | also supports the HTTP service binding protocol */ | |
745 | nic = get_nic_handle(&mac_addr); | |
746 | if (!nic) { | |
747 | goto error; | |
748 | } | |
749 | ||
750 | /* UEFI stops DHCP after fetching the image and stores the related | |
751 | information in the device path node. We have to set up the | |
752 | connection on our own for the further operations. */ | |
753 | if (!is_ip6) | |
754 | status = set_ip4(nic, &ip4_node); | |
755 | else | |
756 | status = set_ip6(nic, &ip6_node); | |
757 | if (EFI_ERROR (status)) { | |
758 | perror(L"Failed to set IP for HTTPBoot: %r\n", status); | |
759 | goto error; | |
760 | } | |
761 | ||
762 | /* Use HTTP protocl to fetch the remote file */ | |
763 | status = http_fetch (image, nic, hostname, next_uri, is_ip6, | |
764 | buffer, buf_size); | |
765 | if (EFI_ERROR (status)) { | |
766 | perror(L"Failed to fetch image: %r\n", status); | |
767 | goto error; | |
768 | } | |
769 | ||
770 | error: | |
771 | FreePool(uri); | |
772 | uri = NULL; | |
773 | if (next_uri) | |
774 | FreePool(next_uri); | |
775 | if (hostname) | |
776 | FreePool(hostname); | |
777 | ||
778 | return status; | |
779 | } |