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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
|
/** @file
Copyright (c) 2007, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
PxeBcMtftp.c
Abstract:
PxeBc MTFTP functions
**/
#include "PxeBcImpl.h"
VOID *TokenContext = NULL;
CHAR8 *mMtftpOptions[PXE_MTFTP_OPTION_MAXIMUM_INDEX] = {
"blksize",
"timeout",
"tsize",
"multicast"
};
/**
This is a callback function when packets received/transmitted in Mtftp driver.
@param This Pointer to Mtftp protocol instance
@param Token Pointer to Mtftp token
@param PacketLen Length of Mtftp packet
@param Packet Pointer to Mtftp packet
@return EFI_SUCCESS
@return EFI_ABORTED
**/
EFI_STATUS
PxeBcCheckPacket (
IN EFI_MTFTP4_PROTOCOL *This,
IN EFI_MTFTP4_TOKEN *Token,
IN UINT16 PacketLen,
IN EFI_MTFTP4_PACKET *Packet
)
{
PXEBC_PRIVATE_DATA *Private;
EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL *Callback;
EFI_STATUS Status;
Private = (PXEBC_PRIVATE_DATA *) TokenContext;
Callback = Private->PxeBcCallback;
Status = EFI_SUCCESS;
if (Packet->OpCode == EFI_MTFTP4_OPCODE_ERROR) {
Private->Mode.TftpErrorReceived = TRUE;
Private->Mode.TftpError.ErrorCode = (UINT8) Packet->Error.ErrorCode;
AsciiStrnCpy (Private->Mode.TftpError.ErrorString, (CHAR8 *) Packet->Error.ErrorMessage, 127);
}
if (Callback != NULL) {
Status = Callback->Callback (
Callback,
Private->Function,
TRUE,
PacketLen,
(EFI_PXE_BASE_CODE_PACKET *) Packet
);
if (Status != EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE) {
Status = EFI_ABORTED;
} else {
Status = EFI_SUCCESS;
}
}
return Status;
}
/**
This function is to get size of a file by Tftp.
@param Private Pointer to PxeBc private data
@param Config Pointer to Mtftp configuration data
@param Filename Pointer to file name
@param BlockSize Pointer to block size
@param BufferSize Pointer to buffer size
@return EFI_SUCCESS
@return EFI_NOT_FOUND
@return EFI_DEVICE_ERROR
**/
EFI_STATUS
PxeBcTftpGetFileSize (
IN PXEBC_PRIVATE_DATA *Private,
IN EFI_MTFTP4_CONFIG_DATA *Config,
IN UINT8 *Filename,
IN UINTN *BlockSize,
IN OUT UINT64 *BufferSize
)
{
EFI_MTFTP4_PROTOCOL *Mtftp4;
EFI_MTFTP4_OPTION ReqOpt[2];
EFI_MTFTP4_PACKET *Packet;
EFI_MTFTP4_OPTION *Option;
UINT32 PktLen;
UINT8 OptBuf[128];
UINT32 OptCnt;
EFI_STATUS Status;
*BufferSize = 0;
Status = EFI_DEVICE_ERROR;
Mtftp4 = Private->Mtftp4;
Packet = NULL;
Option = NULL;
PktLen = 0;
OptCnt = 1;
Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;
Status = Mtftp4->Configure (Mtftp4, Config);
if (EFI_ERROR (Status)) {
return Status;
}
ReqOpt[0].OptionStr = (UINT8*)mMtftpOptions[PXE_MTFTP_OPTION_TSIZE_INDEX];
UtoA10 (0, (CHAR8 *) OptBuf);
ReqOpt[0].ValueStr = OptBuf;
if (BlockSize != NULL) {
ReqOpt[1].OptionStr = (UINT8*)mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];
ReqOpt[1].ValueStr = ReqOpt[0].ValueStr + AsciiStrLen ((CHAR8 *) ReqOpt[0].ValueStr) + 1;
UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[1].ValueStr);
OptCnt++;
}
Status = Mtftp4->GetInfo (
Mtftp4,
FALSE,
Filename,
NULL,
(UINT8) OptCnt,
ReqOpt,
&PktLen,
&Packet
);
if (EFI_ERROR (Status)) {
if (Packet->OpCode == EFI_MTFTP4_OPCODE_ERROR) {
Private->Mode.TftpErrorReceived = TRUE;
Private->Mode.TftpError.ErrorCode = (UINT8) Packet->Error.ErrorCode;
AsciiStrnCpy (Private->Mode.TftpError.ErrorString, (CHAR8 *) Packet->Error.ErrorMessage, 127);
}
goto ON_ERROR;
}
OptCnt = 0;
Status = Mtftp4->ParseOptions (
Mtftp4,
PktLen,
Packet,
(UINT32 *) &OptCnt,
&Option
);
if (EFI_ERROR (Status)) {
goto ON_ERROR;
}
Status = EFI_NOT_FOUND;
while (OptCnt != 0) {
if (AsciiStrnCmp ((CHAR8 *) Option[OptCnt - 1].OptionStr, "tsize", 5) == 0) {
*BufferSize = AtoU64 (Option[OptCnt - 1].ValueStr);
Status = EFI_SUCCESS;
}
OptCnt--;
}
gBS->FreePool (Option);
ON_ERROR:
if (Packet != NULL) {
gBS->FreePool (Packet);
}
Mtftp4->Configure (Mtftp4, NULL);
return Status;
}
/**
This function is to get data of a file by Tftp.
@param Private Pointer to PxeBc private data
@param Config Pointer to Mtftp configuration data
@param Filename Pointer to file name
@param BlockSize Pointer to block size
@param BufferPtr Pointer to buffer
@param BufferSize Pointer to buffer size
@param DontUseBuffer Indicate whether with a receive buffer
@return EFI_SUCCESS
@return EFI_DEVICE_ERROR
**/
EFI_STATUS
PxeBcTftpReadFile (
IN PXEBC_PRIVATE_DATA *Private,
IN EFI_MTFTP4_CONFIG_DATA *Config,
IN UINT8 *Filename,
IN UINTN *BlockSize,
IN UINT8 *BufferPtr,
IN OUT UINT64 *BufferSize,
IN BOOLEAN DontUseBuffer
)
{
EFI_MTFTP4_PROTOCOL *Mtftp4;
EFI_MTFTP4_TOKEN Token;
EFI_MTFTP4_OPTION ReqOpt[1];
UINT32 OptCnt;
UINT8 OptBuf[128];
EFI_STATUS Status;
Status = EFI_DEVICE_ERROR;
Mtftp4 = Private->Mtftp4;
OptCnt = 0;
Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;
Status = Mtftp4->Configure (Mtftp4, Config);
if (EFI_ERROR (Status)) {
return Status;
}
if (BlockSize != NULL) {
ReqOpt[0].OptionStr = (UINT8*) mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];
ReqOpt[0].ValueStr = OptBuf;
UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[0].ValueStr);
OptCnt++;
}
Token.Event = NULL;
Token.OverrideData = NULL;
Token.Filename = Filename;
Token.ModeStr = NULL;
Token.OptionCount = OptCnt;
Token.OptionList = ReqOpt;
TokenContext = Private;
if (DontUseBuffer) {
Token.BufferSize = 0;
Token.Buffer = NULL;
} else {
Token.BufferSize = *BufferSize;
Token.Buffer = BufferPtr;
}
Token.CheckPacket = PxeBcCheckPacket;
Token.TimeoutCallback = NULL;
Token.PacketNeeded = NULL;
Status = Mtftp4->ReadFile (Mtftp4, &Token);
*BufferSize = Token.BufferSize;
Mtftp4->Configure (Mtftp4, NULL);
return Status;
}
/**
This function is put data of a file by Tftp.
@param Private Pointer to PxeBc private data
@param Config Pointer to Mtftp configuration data
@param Filename Pointer to file name
@param Overwrite Indicate whether with overwrite attribute
@param BlockSize Pointer to block size
@param BufferPtr Pointer to buffer
@param BufferSize Pointer to buffer size
@return EFI_SUCCESS
@return EFI_DEVICE_ERROR
**/
EFI_STATUS
PxeBcTftpWriteFile (
IN PXEBC_PRIVATE_DATA *Private,
IN EFI_MTFTP4_CONFIG_DATA *Config,
IN UINT8 *Filename,
IN BOOLEAN Overwrite,
IN UINTN *BlockSize,
IN UINT8 *BufferPtr,
IN OUT UINT64 *BufferSize
)
{
EFI_MTFTP4_PROTOCOL *Mtftp4;
EFI_MTFTP4_TOKEN Token;
EFI_MTFTP4_OPTION ReqOpt[1];
UINT32 OptCnt;
UINT8 OptBuf[128];
EFI_STATUS Status;
Status = EFI_DEVICE_ERROR;
Mtftp4 = Private->Mtftp4;
OptCnt = 0;
Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;
Status = Mtftp4->Configure (Mtftp4, Config);
if (EFI_ERROR (Status)) {
return Status;
}
if (BlockSize != NULL) {
ReqOpt[0].OptionStr = (UINT8*) mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];
ReqOpt[0].ValueStr = OptBuf;
UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[0].ValueStr);
OptCnt++;
}
Token.Event = NULL;
Token.OverrideData = NULL;
Token.Filename = Filename;
Token.ModeStr = NULL;
Token.OptionCount = OptCnt;
Token.OptionList = ReqOpt;
Token.BufferSize = *BufferSize;
Token.Buffer = BufferPtr;
Token.CheckPacket = PxeBcCheckPacket;
Token.TimeoutCallback = NULL;
Token.PacketNeeded = NULL;
Status = Mtftp4->WriteFile (Mtftp4, &Token);
*BufferSize = Token.BufferSize;
Mtftp4->Configure (Mtftp4, NULL);
return Status;
}
/**
This function is to get data of a directory by Tftp.
@param Private Pointer to PxeBc private data
@param Config Pointer to Mtftp configuration data
@param Filename Pointer to file name
@param BlockSize Pointer to block size
@param BufferPtr Pointer to buffer
@param BufferSize Pointer to buffer size
@param DontUseBuffer Indicate whether with a receive buffer
@return EFI_SUCCES
@return EFI_DEVICE_ERROR
**/
// GC_NOTO: EFI_SUCCESS - add return value to function comment
EFI_STATUS
PxeBcTftpReadDirectory (
IN PXEBC_PRIVATE_DATA *Private,
IN EFI_MTFTP4_CONFIG_DATA *Config,
IN UINT8 *Filename,
IN UINTN *BlockSize,
IN UINT8 *BufferPtr,
IN OUT UINT64 *BufferSize,
IN BOOLEAN DontUseBuffer
)
{
EFI_MTFTP4_PROTOCOL *Mtftp4;
EFI_MTFTP4_TOKEN Token;
EFI_MTFTP4_OPTION ReqOpt[1];
UINT32 OptCnt;
UINT8 OptBuf[128];
EFI_STATUS Status;
Status = EFI_DEVICE_ERROR;
Mtftp4 = Private->Mtftp4;
OptCnt = 0;
Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;
Status = Mtftp4->Configure (Mtftp4, Config);
if (EFI_ERROR (Status)) {
return Status;
}
if (BlockSize != NULL) {
ReqOpt[0].OptionStr = (UINT8*) mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];
ReqOpt[0].ValueStr = OptBuf;
UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[0].ValueStr);
OptCnt++;
}
Token.Event = NULL;
Token.OverrideData = NULL;
Token.Filename = Filename;
Token.ModeStr = NULL;
Token.OptionCount = OptCnt;
Token.OptionList = ReqOpt;
TokenContext = Private;
if (DontUseBuffer) {
Token.BufferSize = 0;
Token.Buffer = NULL;
} else {
Token.BufferSize = *BufferSize;
Token.Buffer = BufferPtr;
}
Token.CheckPacket = PxeBcCheckPacket;
Token.TimeoutCallback = NULL;
Token.PacketNeeded = NULL;
Status = Mtftp4->ReadDirectory (Mtftp4, &Token);
*BufferSize = Token.BufferSize;
Mtftp4->Configure (Mtftp4, NULL);
return Status;
}
|
