]> cvs.zerfleddert.de Git - rsbs2/blame_incremental - firmware.c
add note about disabling ipmi_si on linux
[rsbs2] / firmware.c
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1#include <stdio.h>
2#include <stdlib.h>
3#include <sys/types.h>
4#include <sys/stat.h>
5#include <fcntl.h>
6#include <unistd.h>
7#include <errno.h>
8#include <string.h>
9#include <strings.h>
10#include "rsb-crc.h"
11
12#define FINDSTR(addr, str) (!strncmp((char*)addr, str, strlen(str)))
13
14struct properties {
15 unsigned int magic;
16 unsigned char unknown0;
17 unsigned char unknown1;
18 unsigned char right_rw;
19 unsigned char rw_mask;
20 unsigned char type1;
21 unsigned char unknown5;
22 unsigned char unknown6;
23 unsigned char unknown7;
24 unsigned char type2;
25 unsigned char val[];
26};
27
28#define PROP_ACTION_TRUE (1<<0)
29#define PROP_ACTION_FALSE (1<<1)
30#define PROP_ACTION_RO (1<<2)
31#define PROP_ACTION_RW (1<<3)
32
33#define PROP_STATUS_NOTFOUND (0)
34#define PROP_STATUS_WRONGTYPE (1<<0)
35#define PROP_STATUS_WRONGRIGHTS (1<<1)
36#define PROP_STATUS_SAMEVAL (1<<2)
37#define PROP_STATUS_SUCCESS (1<<3)
38
39struct propaction {
40 char *property;
41 unsigned int action;
42 unsigned int status;
43 struct propaction *next;
44};
45
46void show_properties(unsigned char *fw, int len)
47{
48 int i;
49
50 for (i = 0; i < (len-100 /* XXX */); i++) {
51 if (FINDSTR(fw+i, "/default/fw_prop/") ||
52 FINDSTR(fw+i, "/default/fw_setup/") ||
53 FINDSTR(fw+i, "/default/oem_prop/")) {
54 struct properties *prop;
55 unsigned char *pos = fw + i;
56
57 printf("0x%08x: found setting: %s ", i, pos);
58
59 prop = (struct properties*)(pos + strlen((char*)pos) + 1);
60
61 if (prop->magic != 0x83011111) {
62 printf("ignoring...\n");
63 continue;
64 }
65
66 if (prop->type1 == 0x00 && prop->type2 == 0x04) {
67 printf("STRING: '%s' ", prop->val);
68 } else if (prop->type1 == 0x01 && prop->type2 == 0x01) {
69 printf("BOOL: %s ",(*prop->val ? "TRUE" : "FALSE"));
70 } else if (prop->type1 == 0x04 && prop->type2 == 0x02) {
71 printf("VAL: 0x%x ", *((unsigned int*)prop->val));
72 } else {
73 printf("0x%02x 0x%2x...ignoring\n", prop->type1, prop->type2);
74 continue;
75 }
76
77 if (prop->right_rw == 0x00 && prop->rw_mask == 0x00) {
78 printf("(R-) ");
79 } else if (prop->right_rw == 0x01) {
80 printf("(RW mask: 0x%02x) ", prop->rw_mask);
81 } else {
82 printf("(UNK 0x%02x 0x%02x) ", prop->right_rw, prop->rw_mask);
83 }
84 printf("\n");
85 }
86 }
87}
88
89void change_properties(unsigned char *fw, int len, struct propaction *paction)
90{
91 int i;
92 struct propaction *cpaction;
93
94 for (i = 0; i < (len-100 /* XXX */); i++) {
95 cpaction = paction;
96 while (cpaction != NULL) {
97 if (FINDSTR(fw + i, cpaction->property)) {
98 break;
99 }
100 cpaction = cpaction->next;
101 }
102 if (cpaction != NULL) {
103 struct properties *prop;
104 unsigned char *pos = fw + i;
105
106 prop = (struct properties*)(pos + strlen((char*)pos) + 1);
107
108 if (prop->magic != 0x83011111) {
109 continue;
110 }
111
112 if (cpaction->action & (PROP_ACTION_TRUE|PROP_ACTION_FALSE)) {
113 if (prop->type1 == 0x01 && prop->type2 == 0x01) {
114 if (cpaction->action & PROP_ACTION_TRUE) {
115 if (*prop->val == 0x00) {
116 *prop->val = 0x01;
117 cpaction->status |= PROP_STATUS_SUCCESS;
118 } else {
119 cpaction->status |= PROP_STATUS_SAMEVAL;
120 }
121 } else {
122 if (*prop->val == 0x01) {
123 *prop->val = 0x00;
124 cpaction->status |= PROP_STATUS_SUCCESS;
125 } else {
126 cpaction->status |= PROP_STATUS_SAMEVAL;
127 }
128 }
129 } else {
130 cpaction->status = PROP_STATUS_WRONGTYPE;
131 }
132 }
133 if (cpaction->action & PROP_ACTION_RW) {
134 if (prop->right_rw == 0x00 && prop->rw_mask == 0x00) {
135 prop->right_rw = 0x01;
136 prop->rw_mask = 0x02;
137 cpaction->status |= PROP_STATUS_SUCCESS;
138 } else {
139 cpaction->status |= PROP_STATUS_WRONGRIGHTS;
140 }
141 }
142 if (cpaction->action & PROP_ACTION_RO) {
143 if (prop->right_rw == 0x01 && prop->rw_mask == 0x02) {
144 prop->right_rw = 0x00;
145 prop->rw_mask = 0x00;
146 cpaction->status |= PROP_STATUS_SUCCESS;
147 } else {
148 cpaction->status |= PROP_STATUS_WRONGRIGHTS;
149 }
150 }
151 }
152 }
153}
154
155#define BD_SERIAL1 0x14,0x02
156#define BD_ICMB 0x14,0x04
157#define BD_LAN 0x14,0x08
158#define BD_SERIAL2 0x14,0x10
159#define BD_SERIAL3 0x14,0x20
160#define BD_USB 0x14,0x40
161#define BD_PCI 0x15,0x03
162#define BD_LPC 0x15,0x04
163#define BD_VGA 0x15,0x08
164#define BD_BATTERY 0x15,0x10
165#define BD_ACDC 0x15,0x20
166#define BD_STANDBY 0x15,0x40
167#define BD_POWERCONN 0x15,0x70
168#define BD_DVI 0x15,0x80
169#define BD_PWRATX 0x16,0x01
170#define BD_PWRRELAY 0x16,0x02
171#define BD_PS2A 0x19,0xff
172
173#define MAGIC(fn, args...) fn(args)
174
175#define _BD_IS_SET(bd, byte, bits) (bd[byte] & bits)
176#define BD_IS_SET(bd, ident) MAGIC(_BD_IS_SET, bd, BD_##ident)
177#define BD_TEXT(bd, ident) (BD_IS_SET(bd, ident) ? "TRUE" : "FALSE")
178
179#define _BD_SET(bd, byte, bits) (bd[byte] |= bits)
180#define BD_SET(bd, ident) MAGIC(_BD_SET, bd, BD_##ident)
181
182void print_boarddescription(unsigned char *bd)
183{
184 int j;
185
186 for (j = 0; j < 32; j++) {
187 printf("%02x ", *(bd+j));
188 }
189 printf("\n");
190
191 /* com/agilent/rmc/amr/AmrMaster.class
192 * com/agilent/rmc/mgui/RmcPanel.class
193 * com/agilent/rmc/mgui/panels/AvrManualConfig.class
194 * com/agilent/rmc/mgui/panels/CardConf.jad
195 * com/agilent/rmc/mgui/panels/PowerMgmtConf.jad
196 * com/agilent/rmc/mgui/panels/RemoteDiskConf.jad
197 */
198 printf("\tserial1Present\t\t: %s\n", BD_TEXT(bd, SERIAL1));
199 printf("\ticmbPresent\t\t: %s\n", BD_TEXT(bd, ICMB));
200 printf("\tlanPresent\t\t: %s\n", BD_TEXT(bd, LAN));
201 printf("\tserial2Present\t\t: %s\n", BD_TEXT(bd, SERIAL2));
202 printf("\tserial3Present\t\t: %s\n", BD_TEXT(bd, SERIAL3));
203 printf("\tusbPresent\t\t: %s\n", BD_TEXT(bd, USB));
204 printf("\tpciPresent\t\t: %s\n", BD_TEXT(bd, PCI));
205 printf("\tlpcPresent\t\t: %s\n", BD_TEXT(bd, LPC));
206 printf("\tvgaPresent\t\t: %s\n", BD_TEXT(bd, VGA));
207 printf("\tbatteryPresent\t\t: %s\n", BD_TEXT(bd, BATTERY));
208 printf("\tacdcPresent\t\t: %s\n", BD_TEXT(bd, ACDC));
209 printf("\tstandbyPresent\t\t: %s\n", BD_TEXT(bd, STANDBY));
210 printf("\thasPowerConnectors\t: %s\n", BD_TEXT(bd, POWERCONN));
211 printf("\tdviPresent\t\t: %s\n", BD_TEXT(bd, DVI));
212 printf("\tpowerSwitchATX\t\t: %s\n", BD_TEXT(bd, PWRATX));
213 printf("\tpowerSwitchRelay\t: %s\n", BD_TEXT(bd, PWRRELAY));
214 /* 22 & 4 */
215 printf("\tps2aPresent\t\t: %s\n", BD_TEXT(bd, PS2A));
216}
217
218void handle_boarddescription(unsigned char *fw, int len, int patch)
219{
220 int i;
221
222 for (i = len - (strlen("pdata")+1); i > 0; i--) {
223 if (FINDSTR(fw+i, "pdata")) {
224 unsigned char *pos = fw + i + strlen("pdata") + 1;
225
226 /* MAGIC? */
227 if (*((unsigned int*)pos) != 0x00002802) {
228 continue;
229 }
230
231 pos += 26;
232
233 /* MAGIC2? */
234 if (*((unsigned int*)pos) != 0x00500101) {
235 continue;
236 }
237
238 if (patch) {
239 /* Enable ATX and relay power switching */
240 BD_SET(pos, PWRATX);
241 BD_SET(pos, PWRRELAY);
242 /* ATX standby */
243 BD_SET(pos, STANDBY);
244 }
245 printf("0x%08x: BOARD_DESCRIPTION: ", pos-fw);
246 print_boarddescription(pos);
247
248 break;
249 }
250 }
251}
252
253void syntax(char *name)
254{
255 fprintf(stderr,"Syntax: %s parameters firmware.bin\n", name);
256 fprintf(stderr,"parameters as follows:\n");
257 fprintf(stderr,"\t-d\t\tdisplay all properties of the image\n");
258 fprintf(stderr,"\t-u\t\tupdate checksum of the image\n");
259 fprintf(stderr,"\t-b\t\tmodify BOARD_DESCRIPTION for more power-switch options\n");
260 fprintf(stderr,"\t-t property\tset 'property' to true\n");
261 fprintf(stderr,"\t-f property\tset 'property' to false\n");
262 fprintf(stderr,"\t-w property\tallow read-write access to 'property'\n");
263 fprintf(stderr,"\t-r property\tallow read-only access to 'property'\n");
264 exit(1);
265}
266
267void add_action(int opt, char *optarg, struct propaction **paction) {
268 struct propaction *pos = *paction;
269 struct propaction *prev = NULL;
270
271 while (pos != NULL) {
272 if (!strcmp(pos->property, optarg))
273 break;
274 prev = pos;
275 pos = pos->next;
276 }
277
278 if (pos == NULL) {
279 pos = malloc(sizeof(struct propaction));
280 if (pos == NULL) {
281 perror("malloc");
282 exit(1);
283 }
284 bzero(pos, sizeof(struct propaction));
285 pos->property = optarg;
286
287 if (prev == NULL) {
288 *paction = pos;
289 } else {
290 prev->next = pos;
291 }
292 }
293
294 switch(opt) {
295 case 't':
296 if (pos->action & PROP_ACTION_FALSE) {
297 fprintf(stderr,"inconsistent requests for %s\n",pos->property);
298 exit(1);
299 }
300 pos->action |= PROP_ACTION_TRUE;
301 break;
302 case 'f':
303 if (pos->action & PROP_ACTION_TRUE) {
304 fprintf(stderr,"inconsistent requests for %s\n",pos->property);
305 exit(1);
306 }
307 pos->action |= PROP_ACTION_FALSE;
308 break;
309 case 'w':
310 if (pos->action & PROP_ACTION_RO) {
311 fprintf(stderr,"inconsistent requests for %s\n",pos->property);
312 exit(1);
313 }
314 pos->action |= PROP_ACTION_RW;
315 break;
316 case 'r':
317 if (pos->action & PROP_ACTION_RW) {
318 fprintf(stderr,"inconsistent requests for %s\n",pos->property);
319 exit(1);
320 }
321 pos->action |= PROP_ACTION_RO;
322 break;
323 }
324}
325
326int check_crc(unsigned char *fw, int len)
327{
328 int ret;
329 unsigned int crc, oldcrc;
330
331 ret = rsb_crc2(fw, len, 0x55335053, &crc);
332 oldcrc = (unsigned int)*((unsigned int*)(fw + len - 4));
333
334 printf("Checksum: 0x%08x (%s), should be: 0x%08x\n",
335 crc,
336 (ret ? "NOT OK" : "OK"),
337 oldcrc);
338
339 return ret;
340}
341
342int main(int argc, char **argv)
343{
344 struct stat statbuf;
345 char *file = NULL;
346 unsigned char *fw;
347 int fd;
348 int remaining;
349 int ret;
350 int opt;
351 unsigned int crc;
352 struct propaction *paction = NULL;
353 int showall = 0;
354 int update_crc = 0;
355 int patch_bd = 0;
356 int patch_fw = 0;
357
358 if (argc < 2)
359 syntax(argv[0]);
360
361 while ((opt = getopt(argc, argv, "dubt:f:w:r:")) != -1) {
362 switch(opt) {
363 case 'd':
364 showall = 1;
365 break;
366 case 'u':
367 update_crc = 1;
368 break;
369 case 'b':
370 patch_bd = 1;
371 break;
372 case 't':
373 case 'f':
374 case 'w':
375 case 'r':
376 patch_fw = 1;
377 add_action(opt, optarg, &paction);
378 break;
379 default:
380 syntax(argv[0]);
381 }
382 }
383
384 if (argc > optind) {
385 file = argv[optind];
386 } else {
387 syntax(argv[0]);
388 }
389
390 if (stat(file, &statbuf) == -1) {
391 fprintf(stderr,"%s: ", file);
392 perror("stat");
393 exit(1);
394 }
395
396 if ((fd = open(file, O_RDONLY)) == -1) {
397 fprintf(stderr,"%s: ", file);
398 perror("open");
399 exit(1);
400 }
401
402 if ((fw = malloc(statbuf.st_size)) == NULL) {
403 perror("malloc");
404 exit(1);
405 }
406
407 bzero(fw, statbuf.st_size);
408
409 remaining = statbuf.st_size;
410
411 while(remaining) {
412 if ((ret = read(fd, fw + (statbuf.st_size - remaining), remaining)) == -1) {
413 perror("read");
414 exit(1);
415 }
416 remaining -= ret;
417 }
418 close(fd);
419
420 ret = check_crc(fw, statbuf.st_size);
421 if ((ret != 0) && (!update_crc)) {
422 fprintf(stderr,"Checksum incorrect, aborting...\n");
423 }
424
425 if (patch_fw) {
426 struct propaction *cpaction = paction;
427
428 change_properties(fw, statbuf.st_size, paction);
429
430 printf("\nProperty change results:\n");
431 while(cpaction != NULL) {
432 printf("%s: ", cpaction->property);
433
434 if (cpaction->status == PROP_STATUS_NOTFOUND)
435 printf("NOTFOUND ");
436 if (cpaction->status & PROP_STATUS_SUCCESS)
437 printf("SUCCESS ");
438 if (cpaction->status & PROP_STATUS_SAMEVAL)
439 printf("SAMEVAL ");
440 if (cpaction->status & PROP_STATUS_WRONGTYPE)
441 printf("WRONGTYPE ");
442 if (cpaction->status & PROP_STATUS_WRONGRIGHTS)
443 printf("WRONGRIGHTS ");
444 printf("\n");
445
446 cpaction = cpaction->next;
447 }
448 printf("\n");
449 }
450
451 if (patch_bd) {
452 handle_boarddescription(fw, statbuf.st_size -4, 1);
453 }
454
455 if (showall) {
456 show_properties(fw, statbuf.st_size - 4);
457 handle_boarddescription(fw, statbuf.st_size -4, 0);
458 }
459
460 if (update_crc || patch_fw || patch_bd) {
461 ret = rsb_crc2(fw, statbuf.st_size, 0x55335053, &crc);
462 if (ret == 4) {
463 *((unsigned int*)(fw + statbuf.st_size - 4)) = crc;
464 }
465
466 if (check_crc(fw, statbuf.st_size) == 0) {
467 char *newfile;
468
469 newfile = malloc(strlen(file) + strlen(".patched") + 1);
470 if (newfile == NULL) {
471 perror("malloc");
472 exit(1);
473 }
474 strcpy(newfile, file);
475 strcat(newfile, ".patched");
476
477 printf("Writing %s\n", newfile);
478 if ((fd = open(newfile, O_WRONLY|O_CREAT, 0644)) == -1) {
479 fprintf(stderr,"%s: ", file);
480 perror("open");
481 exit(1);
482 }
483
484 remaining = statbuf.st_size;
485
486 while(remaining) {
487 if ((ret = write(fd, fw + (statbuf.st_size - remaining), remaining)) == -1) {
488 perror("write");
489 exit(1);
490 }
491 remaining -= ret;
492 }
493 close(fd);
494 } else {
495 fprintf(stderr,"Can't set correct checksum, aborting...\n");
496 }
497 }
498
499 exit(0);
500}
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