[rsbs2] / firmware.c

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <strings.h>
#include "rsb-crc.h"

#define FINDSTR(addr, str) (!strncmp((char*)addr, str, strlen(str)))

struct properties {
	unsigned int magic;
	unsigned char unknown0;
	unsigned char unknown1;
	unsigned char right_rw;
	unsigned char rw_mask;
	unsigned char type1;
	unsigned char unknown5;
	unsigned char unknown6;
	unsigned char unknown7;
	unsigned char type2;
	unsigned char val[];
};

#define PROP_ACTION_TRUE	(1<<0)
#define PROP_ACTION_FALSE	(1<<1)
#define PROP_ACTION_RO		(1<<2)
#define PROP_ACTION_RW		(1<<3)

#define PROP_STATUS_NOTFOUND	(0)
#define PROP_STATUS_WRONGTYPE	(1<<0)
#define PROP_STATUS_WRONGRIGHTS	(1<<1)
#define PROP_STATUS_SAMEVAL	(1<<2)
#define PROP_STATUS_SUCCESS	(1<<3)

struct propaction {
	char *property;
	unsigned int action;
	unsigned int status;
	struct propaction *next;
};

void show_properties(unsigned char *fw, int len)
{
	int i;

	for (i = 0; i < (len-100 /* XXX */); i++) {
		if (FINDSTR(fw+i, "/default/fw_prop/") ||
		    FINDSTR(fw+i, "/default/fw_setup/") ||
		    FINDSTR(fw+i, "/default/oem_prop/")) {
		    	struct properties *prop;
		    	unsigned char *pos = fw + i;

			printf("0x%08x: found setting: %s ", i, pos);

			prop = (struct properties*)(pos + strlen((char*)pos) + 1);
			
			if (prop->magic != 0x83011111) {
				printf("ignoring...\n");
				continue;
			}

			if (prop->type1 == 0x00 && prop->type2 == 0x04) {
				printf("STRING: '%s' ", prop->val);
			} else if (prop->type1 == 0x01 && prop->type2 == 0x01) {
				printf("BOOL: %s ",(*prop->val ? "TRUE" : "FALSE"));
			} else if (prop->type1 == 0x04 && prop->type2 == 0x02) {
				printf("VAL: 0x%x ", *((unsigned int*)prop->val));
			} else {
				printf("0x%02x 0x%2x...ignoring\n", prop->type1, prop->type2);
				continue;
			}

			if (prop->right_rw == 0x00 && prop->rw_mask == 0x00) {
				printf("(R-) ");
			} else if (prop->right_rw == 0x01) {
				printf("(RW mask: 0x%02x) ", prop->rw_mask);
			} else {
				printf("(UNK 0x%02x 0x%02x) ", prop->right_rw, prop->rw_mask);
			}
			printf("\n");
		}
	}
}

void change_properties(unsigned char *fw, int len, struct propaction *paction)
{
	int i;
	struct propaction *cpaction;

	for (i = 0; i < (len-100 /* XXX */); i++) {
		cpaction = paction;
		while (cpaction != NULL) {
			if (FINDSTR(fw + i, cpaction->property)) {
				break;
			}
			cpaction = cpaction->next;
		}
		if (cpaction != NULL) {
		    	struct properties *prop;
		    	unsigned char *pos = fw + i;

			prop = (struct properties*)(pos + strlen((char*)pos) + 1);

			if (prop->magic != 0x83011111) {
				continue;
			}

			if (cpaction->action & (PROP_ACTION_TRUE|PROP_ACTION_FALSE)) {
				if (prop->type1 == 0x01 && prop->type2 == 0x01) {
					if (cpaction->action & PROP_ACTION_TRUE) {
						if (*prop->val == 0x00) {
							*prop->val = 0x01;
							cpaction->status |= PROP_STATUS_SUCCESS;
						} else {
							cpaction->status |= PROP_STATUS_SAMEVAL;
						}
					} else {
						if (*prop->val == 0x01) {
							*prop->val = 0x00;
							cpaction->status |= PROP_STATUS_SUCCESS;
						} else {
							cpaction->status |= PROP_STATUS_SAMEVAL;
						}
					}
				} else {
					cpaction->status = PROP_STATUS_WRONGTYPE;
				}
			}
			if (cpaction->action & PROP_ACTION_RW) {
				if (prop->right_rw == 0x00 && prop->rw_mask == 0x00) {
					prop->right_rw = 0x01;
					prop->rw_mask = 0x02;
					cpaction->status |= PROP_STATUS_SUCCESS;
				} else {
					cpaction->status |= PROP_STATUS_WRONGRIGHTS;
				}
			}
			if (cpaction->action & PROP_ACTION_RO) {
				if (prop->right_rw == 0x01 && prop->rw_mask == 0x02) {
					prop->right_rw = 0x00;
					prop->rw_mask = 0x00;
					cpaction->status |= PROP_STATUS_SUCCESS;
				} else {
					cpaction->status |= PROP_STATUS_WRONGRIGHTS;
				}
			}
		}
	}
}

void print_boarddescription(unsigned char *bd)
{
	int j;

	for (j = 0; j < 32; j++) {
		printf("%02x ", *(bd+j));
	}
	printf("\n");
}

void handle_boarddescription(unsigned char *fw, int len, int patch)
{
	int i;
	
	for (i = len - (strlen("pdata")+1); i > 0; i--) {
		if (FINDSTR(fw+i, "pdata")) {
			unsigned char *pos = fw + i + strlen("pdata") + 1;

			/* MAGIC? */
			if (*((unsigned int*)pos) != 0x00002802) {
				continue;
			}

			pos += 26;

			/* MAGIC2? */
			if (*((unsigned int*)pos) != 0x00500101) {
				continue;
			}

			printf("0x%08x: BOARD_DESCRIPTION: ", pos-fw);
			print_boarddescription(pos);

			if (patch) {
				/* Enable ATX and relay power switching */
				pos[22] |= 0x03;
				printf("0x%08x: BOARD_DESCRIPTION: ", pos-fw);
				print_boarddescription(pos);
			}

			break;
		}
	}
}

void syntax(char *name)
{
	fprintf(stderr,"Syntax: %s parameters firmware.bin\n", name);
	fprintf(stderr,"parameters as follows:\n");
	fprintf(stderr,"\t-d\t\tdisplay all properties of the image\n");
	fprintf(stderr,"\t-u\t\tupdate checksum of the image\n");
	fprintf(stderr,"\t-b\t\tmodify BOARD_DESCRIPTION for more power-switch options\n");
	fprintf(stderr,"\t-t property\tset 'property' to true\n");
	fprintf(stderr,"\t-f property\tset 'property' to false\n");
	fprintf(stderr,"\t-w property\tallow read-write access to 'property'\n");
	fprintf(stderr,"\t-r property\tallow read-only access to 'property'\n");
	exit(1);
}

void add_action(int opt, char *optarg, struct propaction **paction) {
	struct propaction *pos = *paction;
	struct propaction *prev = NULL;
	
	while (pos != NULL) {
		if (!strcmp(pos->property, optarg))
			break;
		prev = pos;
		pos = pos->next;
	}

	if (pos == NULL) {
		pos = malloc(sizeof(struct propaction));
		if (pos == NULL) {
			perror("malloc");
			exit(1);
		}
		bzero(pos, sizeof(struct propaction));
		pos->property = optarg;

		if (prev == NULL) {
			*paction = pos;
		} else {
			prev->next = pos;
		}
	}

	switch(opt) {
		case 't':
			if (pos->action & PROP_ACTION_FALSE) {
				fprintf(stderr,"inconsistent requests for %s\n",pos->property);
				exit(1);
			}
			pos->action |= PROP_ACTION_TRUE;
			break;
		case 'f':
			if (pos->action & PROP_ACTION_TRUE) {
				fprintf(stderr,"inconsistent requests for %s\n",pos->property);
				exit(1);
			}
			pos->action |= PROP_ACTION_FALSE;
			break;
		case 'w':
			if (pos->action & PROP_ACTION_RO) {
				fprintf(stderr,"inconsistent requests for %s\n",pos->property);
				exit(1);
			}
			pos->action |= PROP_ACTION_RW;
			break;
		case 'r':
			if (pos->action & PROP_ACTION_RW) {
				fprintf(stderr,"inconsistent requests for %s\n",pos->property);
				exit(1);
			}
			pos->action |= PROP_ACTION_RO;
			break;
	}
}

int check_crc(unsigned char *fw, int len)
{
	int ret;
	unsigned int crc, oldcrc;

	ret = rsb_crc2(fw, len, 0x55335053, &crc);
	oldcrc = (unsigned int)*((unsigned int*)(fw + len - 4));

	printf("Checksum: 0x%08x (%s), should be: 0x%08x\n",
		crc,
		(ret ? "NOT OK" : "OK"),
		oldcrc);

	return ret;
}

int main(int argc, char **argv)
{
	struct stat statbuf;
	char *file = NULL;
	unsigned char *fw;
	int fd;
	int remaining;
	int ret;
	int opt;
	unsigned int crc;
	struct propaction *paction = NULL;
	int showall = 0;
	int update_crc = 0;
	int patch_bd = 0;
	int patch_fw = 0;

	if (argc < 2)
		syntax(argv[0]);

	while ((opt = getopt(argc, argv, "dubt:f:w:r:")) != -1) {
		switch(opt) {
			case 'd':
				showall = 1;
				break;
			case 'u':
				update_crc = 1;
				break;
			case 'b':
				patch_bd = 1;
				break;
			case 't':
			case 'f':
			case 'w':
			case 'r':
				patch_fw = 1;
				add_action(opt, optarg, &paction);
				break;
			default:
				syntax(argv[0]);
		}
	}

	if (argc > optind) {
		file = argv[optind];
	} else {
		syntax(argv[0]);
	}

	if (stat(file, &statbuf) == -1) {
		fprintf(stderr,"%s: ", file);
		perror("stat");
		exit(1);
	}

	if ((fd = open(file, O_RDONLY)) == -1) {
		fprintf(stderr,"%s: ", file);
		perror("open");
		exit(1);
	}

	if ((fw = malloc(statbuf.st_size)) == NULL) {
		perror("malloc");
		exit(1);
	}

	bzero(fw, statbuf.st_size);

	remaining = statbuf.st_size;

	while(remaining) {
		if ((ret = read(fd, fw + (statbuf.st_size - remaining), remaining)) == -1) {
			perror("read");
			exit(1);
		}
		remaining -= ret;
	}
	close(fd);

	ret = check_crc(fw, statbuf.st_size);
	if ((ret != 0) && (!update_crc)) {
		fprintf(stderr,"Checksum incorrect, aborting...\n");
	}

	if (patch_fw) {
		struct propaction *cpaction = paction;

		change_properties(fw, statbuf.st_size, paction);

		printf("\nProperty change results:\n");
		while(cpaction != NULL) {
			printf("%s: ", cpaction->property);

			if (cpaction->status == PROP_STATUS_NOTFOUND)
				printf("NOTFOUND ");
			if (cpaction->status & PROP_STATUS_SUCCESS)
				printf("SUCCESS ");
			if (cpaction->status & PROP_STATUS_SAMEVAL)
				printf("SAMEVAL ");
			if (cpaction->status & PROP_STATUS_WRONGTYPE)
				printf("WRONGTYPE ");
			if (cpaction->status & PROP_STATUS_WRONGRIGHTS)
				printf("WRONGRIGHTS ");
			printf("\n");
			
			cpaction = cpaction->next;
		}
		printf("\n");
	}

	if (patch_bd) {
		handle_boarddescription(fw, statbuf.st_size -4, 1);
	}

	if (showall) {
		show_properties(fw, statbuf.st_size - 4);
		handle_boarddescription(fw, statbuf.st_size -4, 0);
	}

	if (update_crc || patch_fw || patch_bd) {
		ret = rsb_crc2(fw, statbuf.st_size, 0x55335053, &crc);
		if (ret == 4) {
			*((unsigned int*)(fw + statbuf.st_size - 4)) = crc;
		}

		if (check_crc(fw, statbuf.st_size) == 0) {
			char *newfile;

			newfile = malloc(strlen(file) + strlen(".patched") + 1);
			if (newfile == NULL) {
				perror("malloc");
				exit(1);
			}
			strcpy(newfile, file);
			strcat(newfile, ".patched");

			printf("Writing %s\n", newfile);
			if ((fd = open(newfile, O_WRONLY|O_CREAT, 0644)) == -1) {
				fprintf(stderr,"%s: ", file);
				perror("open");
				exit(1);
			}

			remaining = statbuf.st_size;

			while(remaining) {
				if ((ret = write(fd, fw + (statbuf.st_size - remaining), remaining)) == -1) {
					perror("write");
					exit(1);
				}
				remaining -= ret;
			}
			close(fd);
		} else {
			fprintf(stderr,"Can't set correct checksum, aborting...\n");
		}
	}
	
	exit(0);
}
Commit	Line	Data
972ac24b MG	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>
7f88d2b6	8	#include <string.h>
972ac24b MG	9	#include <strings.h>
	10	#include "rsb-crc.h"
	11
7f88d2b6 MG	12	#define FINDSTR(addr, str) (!strncmp((char*)addr, str, strlen(str)))
7f88d2b6 MG	13
39601b0e MG	14	struct 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
7ac4bfad MG	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
	39	struct propaction {
	40	char *property;
	41	unsigned int action;
	42	unsigned int status;
	43	struct propaction *next;
	44	};
	45
39601b0e	46	void show_properties(unsigned char *fw, int len)
7f88d2b6 MG	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/")) {
39601b0e	54	struct properties *prop;
7f88d2b6	55	unsigned char *pos = fw + i;
7f88d2b6	56
7ac4bfad	57	printf("0x%08x: found setting: %s ", i, pos);
7f88d2b6	58
39601b0e MG	59	prop = (struct properties)(pos + strlen((char)pos) + 1);
	60
	61	if (prop->magic != 0x83011111) {
7f88d2b6 MG	62	printf("ignoring...\n");
	63	continue;
	64	}
	65
39601b0e	66	if (prop->type1 == 0x00 && prop->type2 == 0x04) {
7ac4bfad	67	printf("STRING: '%s' ", prop->val);
39601b0e MG	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));
7f88d2b6	72	} else {
39601b0e	73	printf("0x%02x 0x%2x...ignoring\n", prop->type1, prop->type2);
7f88d2b6 MG	74	continue;
	75	}
	76
39601b0e	77	if (prop->right_rw == 0x00 && prop->rw_mask == 0x00) {
7f88d2b6	78	printf("(R-) ");
39601b0e MG	79	} else if (prop->right_rw == 0x01) {
39601b0e MG	80	printf("(RW mask: 0x%02x) ", prop->rw_mask);
7f88d2b6	81	} else {
39601b0e	82	printf("(UNK 0x%02x 0x%02x) ", prop->right_rw, prop->rw_mask);
7f88d2b6 MG	83	}
	84	printf("\n");
	85	}
	86	}
	87	}
	88
7ac4bfad MG	89	void 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
453260c6 MG	155	void print_boarddescription(unsigned char *bd)
	156	{
	157	int j;
	158
	159	for (j = 0; j < 32; j++) {
	160	printf("%02x ", *(bd+j));
	161	}
	162	printf("\n");
	163	}
	164
7f88d2b6 MG	165	void handle_boarddescription(unsigned char *fw, int len, int patch)
7f88d2b6 MG	166	{
453260c6 MG	167	int i;
	168
	169	for (i = len - (strlen("pdata")+1); i > 0; i--) {
	170	if (FINDSTR(fw+i, "pdata")) {
	171	unsigned char *pos = fw + i + strlen("pdata") + 1;
	172
	173	/* MAGIC? */
	174	if (((unsigned int)pos) != 0x00002802) {
	175	continue;
	176	}
	177
	178	pos += 26;
	179
	180	/* MAGIC2? */
	181	if (((unsigned int)pos) != 0x00500101) {
	182	continue;
	183	}
	184
	185	printf("0x%08x: BOARD_DESCRIPTION: ", pos-fw);
	186	print_boarddescription(pos);
	187
	188	if (patch) {
	189	/* Enable ATX and relay power switching */
	190	pos[22] \|= 0x03;
	191	printf("0x%08x: BOARD_DESCRIPTION: ", pos-fw);
	192	print_boarddescription(pos);
	193	}
	194
	195	break;
	196	}
	197	}
7f88d2b6 MG	198	}
7f88d2b6 MG	199
7ac4bfad MG	200	void syntax(char *name)
	201	{
	202	fprintf(stderr,"Syntax: %s parameters firmware.bin\n", name);
	203	fprintf(stderr,"parameters as follows:\n");
	204	fprintf(stderr,"\t-d\t\tdisplay all properties of the image\n");
	205	fprintf(stderr,"\t-u\t\tupdate checksum of the image\n");
453260c6	206	fprintf(stderr,"\t-b\t\tmodify BOARD_DESCRIPTION for more power-switch options\n");
7ac4bfad MG	207	fprintf(stderr,"\t-t property\tset 'property' to true\n");
	208	fprintf(stderr,"\t-f property\tset 'property' to false\n");
	209	fprintf(stderr,"\t-w property\tallow read-write access to 'property'\n");
	210	fprintf(stderr,"\t-r property\tallow read-only access to 'property'\n");
	211	exit(1);
	212	}
	213
	214	void add_action(int opt, char optarg, struct propaction *paction) {
	215	struct propaction pos = paction;
	216	struct propaction *prev = NULL;
	217
	218	while (pos != NULL) {
	219	if (!strcmp(pos->property, optarg))
	220	break;
	221	prev = pos;
	222	pos = pos->next;
	223	}
	224
	225	if (pos == NULL) {
	226	pos = malloc(sizeof(struct propaction));
	227	if (pos == NULL) {
	228	perror("malloc");
	229	exit(1);
	230	}
	231	bzero(pos, sizeof(struct propaction));
	232	pos->property = optarg;
	233
	234	if (prev == NULL) {
	235	*paction = pos;
	236	} else {
	237	prev->next = pos;
	238	}
	239	}
	240
	241	switch(opt) {
	242	case 't':
	243	if (pos->action & PROP_ACTION_FALSE) {
	244	fprintf(stderr,"inconsistent requests for %s\n",pos->property);
	245	exit(1);
	246	}
	247	pos->action \|= PROP_ACTION_TRUE;
	248	break;
	249	case 'f':
	250	if (pos->action & PROP_ACTION_TRUE) {
	251	fprintf(stderr,"inconsistent requests for %s\n",pos->property);
	252	exit(1);
	253	}
	254	pos->action \|= PROP_ACTION_FALSE;
	255	break;
	256	case 'w':
	257	if (pos->action & PROP_ACTION_RO) {
	258	fprintf(stderr,"inconsistent requests for %s\n",pos->property);
	259	exit(1);
	260	}
	261	pos->action \|= PROP_ACTION_RW;
	262	break;
	263	case 'r':
	264	if (pos->action & PROP_ACTION_RW) {
	265	fprintf(stderr,"inconsistent requests for %s\n",pos->property);
	266	exit(1);
	267	}
	268	pos->action \|= PROP_ACTION_RO;
	269	break;
	270	}
271	}
272
273	int check_crc(unsigned char *fw, int len)
274	{
275	int ret;
276	unsigned int crc, oldcrc;
277
278	ret = rsb_crc2(fw, len, 0x55335053, &crc);
279	oldcrc = (unsigned int)((unsigned int)(fw + len - 4));
280
281	printf("Checksum: 0x%08x (%s), should be: 0x%08x\n",
282	crc,
283	(ret ? "NOT OK" : "OK"),
284	oldcrc);
285
286	return ret;
287	}
288
972ac24b MG	289	int main(int argc, char **argv)
	290	{
	291	struct stat statbuf;
7ac4bfad	292	char *file = NULL;
972ac24b MG	293	unsigned char *fw;
	294	int fd;
	295	int remaining;
	296	int ret;
7ac4bfad MG	297	int opt;
	298	unsigned int crc;
	299	struct propaction *paction = NULL;
	300	int showall = 0;
	301	int update_crc = 0;
453260c6	302	int patch_bd = 0;
7ac4bfad	303	int patch_fw = 0;
972ac24b	304
7ac4bfad MG	305	if (argc < 2)
	306	syntax(argv[0]);
	307
453260c6	308	while ((opt = getopt(argc, argv, "dubt:f:w:r:")) != -1) {
7ac4bfad MG	309	switch(opt) {
	310	case 'd':
	311	showall = 1;
	312	break;
	313	case 'u':
	314	update_crc = 1;
	315	break;
453260c6 MG	316	case 'b':
	317	patch_bd = 1;
	318	break;
7ac4bfad MG	319	case 't':
	320	case 'f':
	321	case 'w':
	322	case 'r':
	323	patch_fw = 1;
	324	add_action(opt, optarg, &paction);
	325	break;
	326	default:
	327	syntax(argv[0]);
	328	}
972ac24b MG	329	}
972ac24b MG	330
7ac4bfad MG	331	if (argc > optind) {
	332	file = argv[optind];
	333	} else {
	334	syntax(argv[0]);
	335	}
	336
	337	if (stat(file, &statbuf) == -1) {
	338	fprintf(stderr,"%s: ", file);
972ac24b MG	339	perror("stat");
	340	exit(1);
	341	}
	342
7ac4bfad MG	343	if ((fd = open(file, O_RDONLY)) == -1) {
7ac4bfad MG	344	fprintf(stderr,"%s: ", file);
972ac24b MG	345	perror("open");
	346	exit(1);
	347	}
	348
	349	if ((fw = malloc(statbuf.st_size)) == NULL) {
	350	perror("malloc");
	351	exit(1);
	352	}
	353
	354	bzero(fw, statbuf.st_size);
	355
	356	remaining = statbuf.st_size;
	357
	358	while(remaining) {
	359	if ((ret = read(fd, fw + (statbuf.st_size - remaining), remaining)) == -1) {
	360	perror("read");
	361	exit(1);
	362	}
	363	remaining -= ret;
	364	}
7ac4bfad	365	close(fd);
972ac24b	366
7ac4bfad MG	367	ret = check_crc(fw, statbuf.st_size);
	368	if ((ret != 0) && (!update_crc)) {
	369	fprintf(stderr,"Checksum incorrect, aborting...\n");
	370	}
972ac24b	371
7ac4bfad MG	372	if (patch_fw) {
	373	struct propaction *cpaction = paction;
	374
	375	change_properties(fw, statbuf.st_size, paction);
	376
	377	printf("\nProperty change results:\n");
	378	while(cpaction != NULL) {
	379	printf("%s: ", cpaction->property);
	380
	381	if (cpaction->status == PROP_STATUS_NOTFOUND)
	382	printf("NOTFOUND ");
	383	if (cpaction->status & PROP_STATUS_SUCCESS)
	384	printf("SUCCESS ");
	385	if (cpaction->status & PROP_STATUS_SAMEVAL)
	386	printf("SAMEVAL ");
	387	if (cpaction->status & PROP_STATUS_WRONGTYPE)
	388	printf("WRONGTYPE ");
	389	if (cpaction->status & PROP_STATUS_WRONGRIGHTS)
	390	printf("WRONGRIGHTS ");
	391	printf("\n");
	392
	393	cpaction = cpaction->next;
7f88d2b6	394	}
7ac4bfad	395	printf("\n");
7f88d2b6	396	}
972ac24b	397
453260c6 MG	398	if (patch_bd) {
	399	handle_boarddescription(fw, statbuf.st_size -4, 1);
	400	}
	401
	402	if (showall) {
7ac4bfad	403	show_properties(fw, statbuf.st_size - 4);
453260c6 MG	404	handle_boarddescription(fw, statbuf.st_size -4, 0);
453260c6 MG	405	}
7ac4bfad	406
453260c6	407	if (update_crc \|\| patch_fw \|\| patch_bd) {
7ac4bfad MG	408	ret = rsb_crc2(fw, statbuf.st_size, 0x55335053, &crc);
	409	if (ret == 4) {
	410	((unsigned int)(fw + statbuf.st_size - 4)) = crc;
	411	}
	412
	413	if (check_crc(fw, statbuf.st_size) == 0) {
	414	char *newfile;
	415
	416	newfile = malloc(strlen(file) + strlen(".patched") + 1);
	417	if (newfile == NULL) {
	418	perror("malloc");
	419	exit(1);
	420	}
	421	strcpy(newfile, file);
	422	strcat(newfile, ".patched");
	423
	424	printf("Writing %s\n", newfile);
	425	if ((fd = open(newfile, O_WRONLY\|O_CREAT, 0644)) == -1) {
	426	fprintf(stderr,"%s: ", file);
	427	perror("open");
	428	exit(1);
	429	}
	430
	431	remaining = statbuf.st_size;
	432
	433	while(remaining) {
	434	if ((ret = write(fd, fw + (statbuf.st_size - remaining), remaining)) == -1) {
	435	perror("write");
	436	exit(1);
	437	}
	438	remaining -= ret;
	439	}
	440	close(fd);
	441	} else {
	442	fprintf(stderr,"Can't set correct checksum, aborting...\n");
	443	}
	444	}
	445
972ac24b MG	446	exit(0);
972ac24b MG	447	}