-
Notifications
You must be signed in to change notification settings - Fork 412
/
fu-ifwi-cpd-firmware.c
482 lines (433 loc) · 12.7 KB
/
fu-ifwi-cpd-firmware.c
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
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
/*
* Copyright (C) 2022 Richard Hughes <richard@hughsie.com>
* Copyright (C) 2022 Intel
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#define G_LOG_DOMAIN "FuFirmware"
#include "config.h"
#include <string.h>
#include "fu-byte-array.h"
#include "fu-bytes.h"
#include "fu-ifwi-cpd-firmware.h"
#include "fu-mem.h"
#include "fu-string.h"
/**
* FuIfwiCpdFirmware:
*
* An Intel Code Partition Directory (aka CPD) can be found in IFWI (Integrated Firmware Image)
* firmware blobs which are used in various Intel products using an IPU (Infrastructure Processing
* Unit).
*
* This could include hardware like SmartNICs, GPUs, camera and audio devices.
*
* See also: [class@FuFirmware]
*/
typedef struct {
guint8 header_version;
guint8 entry_version;
} FuIfwiCpdFirmwarePrivate;
G_DEFINE_TYPE_WITH_PRIVATE(FuIfwiCpdFirmware, fu_ifwi_cpd_firmware, FU_TYPE_FIRMWARE)
#define GET_PRIVATE(o) (fu_ifwi_cpd_firmware_get_instance_private(o))
#define FU_IFWI_CPD_FIRMWARE_HEADER_MARKER 0x44504324
#define FU_IFWI_CPD_FIRMWARE_ENTRIES_MAX 1024
typedef struct __attribute__((packed)) {
guint32 header_marker;
guint32 num_of_entries;
guint8 header_version;
guint8 entry_version;
guint8 header_length;
guint8 checksum;
guint32 partition_name;
guint32 crc32;
} FuIfwiCpdHeader;
typedef struct __attribute__((packed)) {
gchar name[12];
guint32 offset;
guint32 length;
guint8 reserved1[4];
} FuIfwiCpdEntry;
typedef struct __attribute__((packed)) {
guint32 header_type;
guint32 header_length; /* dwords */
guint32 header_version;
guint32 flags;
guint32 vendor;
guint32 date;
guint32 size; /* dwords */
guint32 id;
guint32 rsvd;
guint64 version;
guint32 svn;
} FuIfwiCpdManifestHeader;
typedef struct __attribute__((packed)) {
guint32 extension_type;
guint32 extension_length;
} FuIfwiCpdManifestExtHeader;
static void
fu_ifwi_cpd_firmware_export(FuFirmware *firmware, FuFirmwareExportFlags flags, XbBuilderNode *bn)
{
FuIfwiCpdFirmware *self = FU_IFWI_CPD_FIRMWARE(firmware);
FuIfwiCpdFirmwarePrivate *priv = GET_PRIVATE(self);
fu_xmlb_builder_insert_kx(bn, "header_version", priv->header_version);
fu_xmlb_builder_insert_kx(bn, "entry_version", priv->entry_version);
}
static gboolean
fu_ifwi_cpd_firmware_parse_manifest(FuFirmware *firmware, GBytes *fw, GError **error)
{
gsize bufsz = 0;
guint32 header_length = 0;
guint32 size = 0;
guint64 version = 0;
gsize offset = 0;
const guint8 *buf = g_bytes_get_data(fw, &bufsz);
/* raw version */
if (!fu_memread_uint64_safe(buf,
bufsz,
G_STRUCT_OFFSET(FuIfwiCpdManifestHeader, version),
&version,
G_LITTLE_ENDIAN,
error))
return FALSE;
fu_firmware_set_version_raw(firmware, version);
/* verify the size */
if (!fu_memread_uint32_safe(buf,
bufsz,
G_STRUCT_OFFSET(FuIfwiCpdManifestHeader, size),
&size,
G_LITTLE_ENDIAN,
error))
return FALSE;
if (size * 4 != bufsz) {
g_set_error(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"invalid manifest invalid length, got 0x%x, expected 0x%x",
size * 4,
(guint)bufsz);
return FALSE;
}
/* parse extensions */
if (!fu_memread_uint32_safe(buf,
bufsz,
G_STRUCT_OFFSET(FuIfwiCpdManifestHeader, header_length),
&header_length,
G_LITTLE_ENDIAN,
error))
return FALSE;
offset += header_length * 4;
while (offset < bufsz) {
guint32 extension_type = 0;
guint32 extension_length = 0;
g_autoptr(GBytes) blob = NULL;
g_autoptr(FuFirmware) img = fu_firmware_new();
/* set the extension type as the index */
if (!fu_memread_uint32_safe(
buf,
bufsz,
offset + G_STRUCT_OFFSET(FuIfwiCpdManifestExtHeader, extension_type),
&extension_type,
G_LITTLE_ENDIAN,
error))
return FALSE;
if (extension_type == 0x0)
break;
fu_firmware_set_idx(img, extension_type);
/* add data section */
if (!fu_memread_uint32_safe(
buf,
bufsz,
offset + G_STRUCT_OFFSET(FuIfwiCpdManifestExtHeader, extension_length),
&extension_length,
G_LITTLE_ENDIAN,
error))
return FALSE;
if (extension_length == 0x0)
break;
if (extension_length < sizeof(FuIfwiCpdManifestExtHeader)) {
g_set_error(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"invalid manifest extension header length 0x%x",
(guint)extension_length);
return FALSE;
}
blob = fu_bytes_new_offset(fw,
offset + sizeof(FuIfwiCpdManifestExtHeader),
extension_length - sizeof(FuIfwiCpdManifestExtHeader),
error);
if (blob == NULL)
return FALSE;
fu_firmware_set_bytes(img, blob);
/* success */
fu_firmware_set_offset(img, offset);
fu_firmware_add_image(firmware, img);
offset += extension_length;
}
/* success */
return TRUE;
}
static gboolean
fu_ifwi_cpd_firmware_check_magic(FuFirmware *firmware, GBytes *fw, gsize offset, GError **error)
{
guint32 magic = 0;
if (!fu_memread_uint32_safe(g_bytes_get_data(fw, NULL),
g_bytes_get_size(fw),
offset + G_STRUCT_OFFSET(FuIfwiCpdHeader, header_marker),
&magic,
G_LITTLE_ENDIAN,
error)) {
g_prefix_error(error, "failed to read magic: ");
return FALSE;
}
if (magic != FU_IFWI_CPD_FIRMWARE_HEADER_MARKER) {
g_set_error(error,
FWUPD_ERROR,
FWUPD_ERROR_INVALID_FILE,
"invalid CPD header marker 0x%x, expected 0x%x",
magic,
(guint)FU_IFWI_CPD_FIRMWARE_HEADER_MARKER);
return FALSE;
}
/* success */
return TRUE;
}
static gboolean
fu_ifwi_cpd_firmware_parse(FuFirmware *firmware,
GBytes *fw,
gsize offset,
FwupdInstallFlags flags,
GError **error)
{
FuIfwiCpdFirmware *self = FU_IFWI_CPD_FIRMWARE(firmware);
FuIfwiCpdFirmwarePrivate *priv = GET_PRIVATE(self);
gsize bufsz = 0;
guint32 num_of_entries = 0;
guint32 partition_name = 0;
guint8 header_length = 0;
const guint8 *buf = g_bytes_get_data(fw, &bufsz);
/* other header fields */
if (!fu_memread_uint8_safe(buf,
bufsz,
offset + G_STRUCT_OFFSET(FuIfwiCpdHeader, header_version),
&priv->header_version,
error))
return FALSE;
if (!fu_memread_uint8_safe(buf,
bufsz,
offset + G_STRUCT_OFFSET(FuIfwiCpdHeader, entry_version),
&priv->entry_version,
error))
return FALSE;
if (!fu_memread_uint8_safe(buf,
bufsz,
offset + G_STRUCT_OFFSET(FuIfwiCpdHeader, header_length),
&header_length,
error))
return FALSE;
if (!fu_memread_uint32_safe(buf,
bufsz,
offset + G_STRUCT_OFFSET(FuIfwiCpdHeader, partition_name),
&partition_name,
G_LITTLE_ENDIAN,
error))
return FALSE;
fu_firmware_set_idx(firmware, partition_name);
/* read out entries */
if (!fu_memread_uint32_safe(buf,
bufsz,
offset + G_STRUCT_OFFSET(FuIfwiCpdHeader, num_of_entries),
&num_of_entries,
G_LITTLE_ENDIAN,
error))
return FALSE;
if (num_of_entries > FU_IFWI_CPD_FIRMWARE_ENTRIES_MAX) {
g_set_error(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"too many entries 0x%x, expected <= 0x%x",
num_of_entries,
(guint)FU_IFWI_CPD_FIRMWARE_ENTRIES_MAX);
return FALSE;
}
offset += header_length;
for (guint32 i = 0; i < num_of_entries; i++) {
gchar name[12] = {0x0};
g_autoptr(FuFirmware) img = fu_firmware_new();
g_autoptr(GBytes) img_blob = NULL;
g_autofree gchar *id = NULL;
guint32 img_offset = 0;
guint32 img_length = 0;
/* the IDX is the position in the file */
fu_firmware_set_idx(img, i);
/* copy name as id */
if (!fu_memcpy_safe((guint8 *)name,
sizeof(name),
0x0, /* dst */
buf,
bufsz,
offset + G_STRUCT_OFFSET(FuIfwiCpdEntry, name), /* src */
sizeof(name),
error)) {
return FALSE;
}
id = fu_strsafe(name, sizeof(name));
fu_firmware_set_id(img, id);
/* copy offset, ignoring huffman and reserved bits */
if (!fu_memread_uint32_safe(buf,
bufsz,
offset + G_STRUCT_OFFSET(FuIfwiCpdEntry, offset),
&img_offset,
G_LITTLE_ENDIAN,
error))
return FALSE;
img_offset &= 0x1FFFFFF;
fu_firmware_set_offset(img, img_offset);
/* copy data */
if (!fu_memread_uint32_safe(buf,
bufsz,
offset + G_STRUCT_OFFSET(FuIfwiCpdEntry, length),
&img_length,
G_LITTLE_ENDIAN,
error))
return FALSE;
img_blob = fu_bytes_new_offset(fw, img_offset, img_length, error);
if (img_blob == NULL)
return FALSE;
fu_firmware_set_bytes(img, img_blob);
/* read the manifest */
if (i == FU_IFWI_CPD_FIRMWARE_IDX_MANIFEST &&
g_bytes_get_size(img_blob) > sizeof(FuIfwiCpdManifestHeader)) {
if (!fu_ifwi_cpd_firmware_parse_manifest(img, img_blob, error))
return FALSE;
}
/* success */
fu_firmware_add_image(firmware, img);
offset += sizeof(FuIfwiCpdEntry);
}
/* success */
return TRUE;
}
static GBytes *
fu_ifwi_cpd_firmware_write(FuFirmware *firmware, GError **error)
{
FuIfwiCpdFirmware *self = FU_IFWI_CPD_FIRMWARE(firmware);
FuIfwiCpdFirmwarePrivate *priv = GET_PRIVATE(self);
g_autoptr(GByteArray) buf = g_byte_array_new();
g_autoptr(GPtrArray) imgs = fu_firmware_get_images(firmware);
gsize offset = 0;
/* write the header */
fu_byte_array_append_uint32(buf, FU_IFWI_CPD_FIRMWARE_HEADER_MARKER, G_LITTLE_ENDIAN);
fu_byte_array_append_uint32(buf, imgs->len, G_LITTLE_ENDIAN);
fu_byte_array_append_uint8(buf, priv->header_version);
fu_byte_array_append_uint8(buf, priv->entry_version);
fu_byte_array_append_uint8(buf, sizeof(FuIfwiCpdHeader));
fu_byte_array_append_uint8(buf, 0x0); /* checksum */
fu_byte_array_append_uint32(buf, fu_firmware_get_idx(firmware), G_LITTLE_ENDIAN);
fu_byte_array_append_uint32(buf, 0x0, G_LITTLE_ENDIAN); /* crc32 */
/* fixup the image offsets */
offset += sizeof(FuIfwiCpdHeader);
offset += sizeof(FuIfwiCpdEntry) * imgs->len;
for (guint i = 0; i < imgs->len; i++) {
FuFirmware *img = g_ptr_array_index(imgs, i);
g_autoptr(GBytes) blob = NULL;
blob = fu_firmware_get_bytes(img, error);
if (blob == NULL) {
g_prefix_error(error, "image 0x%x: ", i);
return NULL;
}
fu_firmware_set_offset(img, offset);
offset += g_bytes_get_size(blob);
}
/* add entry headers */
for (guint i = 0; i < imgs->len; i++) {
FuFirmware *img = g_ptr_array_index(imgs, i);
const gchar *id = fu_firmware_get_id(img);
gchar name[12] = {0x0};
/* sanity check */
if (id == NULL) {
g_set_error(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"image 0x%x must have an ID",
(guint)fu_firmware_get_idx(img));
return NULL;
}
/* copy id into name */
if (!fu_memcpy_safe((guint8 *)name,
sizeof(name),
0x0, /* dst */
(const guint8 *)id,
strlen(id),
0x0, /* src */
strlen(id),
error)) {
return NULL;
}
g_byte_array_append(buf, (const guint8 *)name, sizeof(name));
fu_byte_array_append_uint32(buf, fu_firmware_get_offset(img), G_LITTLE_ENDIAN);
fu_byte_array_append_uint32(buf, fu_firmware_get_size(img), G_LITTLE_ENDIAN);
fu_byte_array_append_uint32(buf, 0x0, G_LITTLE_ENDIAN); /* reserved */
}
/* add entry data */
for (guint i = 0; i < imgs->len; i++) {
FuFirmware *img = g_ptr_array_index(imgs, i);
g_autoptr(GBytes) blob = NULL;
blob = fu_firmware_get_bytes(img, error);
if (blob == NULL)
return NULL;
fu_byte_array_append_bytes(buf, blob);
}
/* success */
return g_byte_array_free_to_bytes(g_steal_pointer(&buf));
}
static gboolean
fu_ifwi_cpd_firmware_build(FuFirmware *firmware, XbNode *n, GError **error)
{
FuIfwiCpdFirmware *self = FU_IFWI_CPD_FIRMWARE(firmware);
FuIfwiCpdFirmwarePrivate *priv = GET_PRIVATE(self);
const gchar *tmp;
/* simple properties */
tmp = xb_node_query_text(n, "header_version", NULL);
if (tmp != NULL) {
guint64 val = 0;
if (!fu_strtoull(tmp, &val, 0x0, G_MAXUINT8, error))
return FALSE;
priv->header_version = val;
}
tmp = xb_node_query_text(n, "entry_version", NULL);
if (tmp != NULL) {
guint64 val = 0;
if (!fu_strtoull(tmp, &val, 0x0, G_MAXUINT8, error))
return FALSE;
priv->entry_version = val;
}
/* success */
return TRUE;
}
static void
fu_ifwi_cpd_firmware_init(FuIfwiCpdFirmware *self)
{
}
static void
fu_ifwi_cpd_firmware_class_init(FuIfwiCpdFirmwareClass *klass)
{
FuFirmwareClass *klass_firmware = FU_FIRMWARE_CLASS(klass);
klass_firmware->check_magic = fu_ifwi_cpd_firmware_check_magic;
klass_firmware->export = fu_ifwi_cpd_firmware_export;
klass_firmware->parse = fu_ifwi_cpd_firmware_parse;
klass_firmware->write = fu_ifwi_cpd_firmware_write;
klass_firmware->build = fu_ifwi_cpd_firmware_build;
}
/**
* fu_ifwi_cpd_firmware_new:
*
* Creates a new #FuFirmware of Intel Code Partition Directory format
*
* Since: 1.8.2
**/
FuFirmware *
fu_ifwi_cpd_firmware_new(void)
{
return FU_FIRMWARE(g_object_new(FU_TYPE_IFWI_CPD_FIRMWARE, NULL));
}