[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");

	/* com/agilent/rmc/amr/AmrMaster.class
	 * com/agilent/rmc/mgui/RmcPanel.class
	 * com/agilent/rmc/mgui/panels/AvrManualConfig.class
	 * com/agilent/rmc/mgui/panels/CardConf.jad
	 * com/agilent/rmc/mgui/panels/PowerMgmtConf.jad
	 * com/agilent/rmc/mgui/panels/RemoteDiskConf.jad
	 */
	printf("\tserial1Present\t\t: %s\n", ((bd[20] & 2) ? "TRUE" : "FALSE"));
	printf("\ticmbPresent\t\t: %s\n", ((bd[20] & 4) ? "TRUE" : "FALSE"));
	printf("\tlanPresent\t\t: %s\n", ((bd[20] & 8) ? "TRUE" : "FALSE"));
	printf("\tserial2Present\t\t: %s\n", ((bd[20] & 0x10) ? "TRUE" : "FALSE"));
	printf("\tserial3Present\t\t: %s\n", ((bd[20] & 0x20) ? "TRUE" : "FALSE"));
	printf("\tusbPresent\t\t: %s\n", ((bd[20] & 0x40) ? "TRUE" : "FALSE"));
	printf("\tpciPresent\t\t: %s\n", ((bd[21] & 3) ? "TRUE" : "FALSE"));
	printf("\tlpcPresent\t\t: %s\n", ((bd[21] & 4) ? "TRUE" : "FALSE"));
	printf("\tvgaPresent\t\t: %s\n", ((bd[21] & 8) ? "TRUE" : "FALSE"));
	printf("\tbatteryPresent\t\t: %s\n", ((bd[21] & 0x10) ? "TRUE" : "FALSE"));
	printf("\tacdcPresent\t\t: %s\n", ((bd[21] & 0x20) ? "TRUE" : "FALSE"));
	printf("\tstandbyPresent\t\t: %s\n", ((bd[21] & 0x40) ? "TRUE" : "FALSE"));
	printf("\thasPowerConnectors\t: %s\n", ((bd[21] & 0x70) ? "TRUE" : "FALSE"));
	printf("\tdviPresent\t\t: %s\n", ((bd[21] & 0x80) ? "TRUE" : "FALSE"));
	printf("\tpowerSwitchATX\t\t: %s\n", ((bd[22] & 1) ? "TRUE" : "FALSE"));
	printf("\tpowerSwitchRelay\t: %s\n", ((bd[22] & 2) ? "TRUE" : "FALSE"));
	/* 22 & 4 */
	printf("\tps2aPresent\t\t: %s\n", ((bd[25]) ? "TRUE" : "FALSE"));
}

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;
			}

			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");
f370a858 MG	163
	164	/* com/agilent/rmc/amr/AmrMaster.class
	165	* com/agilent/rmc/mgui/RmcPanel.class
	166	* com/agilent/rmc/mgui/panels/AvrManualConfig.class
	167	* com/agilent/rmc/mgui/panels/CardConf.jad
	168	* com/agilent/rmc/mgui/panels/PowerMgmtConf.jad
	169	* com/agilent/rmc/mgui/panels/RemoteDiskConf.jad
	170	*/
	171	printf("\tserial1Present\t\t: %s\n", ((bd[20] & 2) ? "TRUE" : "FALSE"));
	172	printf("\ticmbPresent\t\t: %s\n", ((bd[20] & 4) ? "TRUE" : "FALSE"));
	173	printf("\tlanPresent\t\t: %s\n", ((bd[20] & 8) ? "TRUE" : "FALSE"));
	174	printf("\tserial2Present\t\t: %s\n", ((bd[20] & 0x10) ? "TRUE" : "FALSE"));
	175	printf("\tserial3Present\t\t: %s\n", ((bd[20] & 0x20) ? "TRUE" : "FALSE"));
	176	printf("\tusbPresent\t\t: %s\n", ((bd[20] & 0x40) ? "TRUE" : "FALSE"));
	177	printf("\tpciPresent\t\t: %s\n", ((bd[21] & 3) ? "TRUE" : "FALSE"));
	178	printf("\tlpcPresent\t\t: %s\n", ((bd[21] & 4) ? "TRUE" : "FALSE"));
	179	printf("\tvgaPresent\t\t: %s\n", ((bd[21] & 8) ? "TRUE" : "FALSE"));
	180	printf("\tbatteryPresent\t\t: %s\n", ((bd[21] & 0x10) ? "TRUE" : "FALSE"));
	181	printf("\tacdcPresent\t\t: %s\n", ((bd[21] & 0x20) ? "TRUE" : "FALSE"));
	182	printf("\tstandbyPresent\t\t: %s\n", ((bd[21] & 0x40) ? "TRUE" : "FALSE"));
	183	printf("\thasPowerConnectors\t: %s\n", ((bd[21] & 0x70) ? "TRUE" : "FALSE"));
	184	printf("\tdviPresent\t\t: %s\n", ((bd[21] & 0x80) ? "TRUE" : "FALSE"));
	185	printf("\tpowerSwitchATX\t\t: %s\n", ((bd[22] & 1) ? "TRUE" : "FALSE"));
	186	printf("\tpowerSwitchRelay\t: %s\n", ((bd[22] & 2) ? "TRUE" : "FALSE"));
	187	/* 22 & 4 */
	188	printf("\tps2aPresent\t\t: %s\n", ((bd[25]) ? "TRUE" : "FALSE"));
453260c6 MG	189	}
453260c6 MG	190
7f88d2b6 MG	191	void handle_boarddescription(unsigned char *fw, int len, int patch)
7f88d2b6 MG	192	{
453260c6 MG	193	int i;
	194
	195	for (i = len - (strlen("pdata")+1); i > 0; i--) {
	196	if (FINDSTR(fw+i, "pdata")) {
	197	unsigned char *pos = fw + i + strlen("pdata") + 1;
	198
	199	/* MAGIC? */
	200	if (((unsigned int)pos) != 0x00002802) {
	201	continue;
	202	}
	203
	204	pos += 26;
	205
	206	/* MAGIC2? */
	207	if (((unsigned int)pos) != 0x00500101) {
	208	continue;
	209	}
	210
453260c6 MG	211	if (patch) {
	212	/* Enable ATX and relay power switching */
	213	pos[22] \|= 0x03;
453260c6	214	}
62248c5c MG	215	printf("0x%08x: BOARD_DESCRIPTION: ", pos-fw);
62248c5c MG	216	print_boarddescription(pos);
453260c6 MG	217
	218	break;
	219	}
	220	}
7f88d2b6 MG	221	}
7f88d2b6 MG	222
7ac4bfad MG	223	void syntax(char *name)
	224	{
	225	fprintf(stderr,"Syntax: %s parameters firmware.bin\n", name);
	226	fprintf(stderr,"parameters as follows:\n");
	227	fprintf(stderr,"\t-d\t\tdisplay all properties of the image\n");
	228	fprintf(stderr,"\t-u\t\tupdate checksum of the image\n");
453260c6	229	fprintf(stderr,"\t-b\t\tmodify BOARD_DESCRIPTION for more power-switch options\n");
7ac4bfad MG	230	fprintf(stderr,"\t-t property\tset 'property' to true\n");
	231	fprintf(stderr,"\t-f property\tset 'property' to false\n");
	232	fprintf(stderr,"\t-w property\tallow read-write access to 'property'\n");
	233	fprintf(stderr,"\t-r property\tallow read-only access to 'property'\n");
	234	exit(1);
	235	}
	236
	237	void add_action(int opt, char optarg, struct propaction *paction) {
	238	struct propaction pos = paction;
	239	struct propaction *prev = NULL;
	240
	241	while (pos != NULL) {
	242	if (!strcmp(pos->property, optarg))
	243	break;
	244	prev = pos;
	245	pos = pos->next;
	246	}
	247
	248	if (pos == NULL) {
	249	pos = malloc(sizeof(struct propaction));
	250	if (pos == NULL) {
	251	perror("malloc");
	252	exit(1);
	253	}
	254	bzero(pos, sizeof(struct propaction));
	255	pos->property = optarg;
	256
	257	if (prev == NULL) {
	258	*paction = pos;
	259	} else {
	260	prev->next = pos;
	261	}
	262	}
	263
	264	switch(opt) {
	265	case 't':
	266	if (pos->action & PROP_ACTION_FALSE) {
	267	fprintf(stderr,"inconsistent requests for %s\n",pos->property);
	268	exit(1);
	269	}
	270	pos->action \|= PROP_ACTION_TRUE;
	271	break;
	272	case 'f':
	273	if (pos->action & PROP_ACTION_TRUE) {
	274	fprintf(stderr,"inconsistent requests for %s\n",pos->property);
	275	exit(1);
	276	}
	277	pos->action \|= PROP_ACTION_FALSE;
	278	break;
	279	case 'w':
	280	if (pos->action & PROP_ACTION_RO) {
	281	fprintf(stderr,"inconsistent requests for %s\n",pos->property);
	282	exit(1);
	283	}
	284	pos->action \|= PROP_ACTION_RW;
	285	break;
	286	case 'r':
	287	if (pos->action & PROP_ACTION_RW) {
	288	fprintf(stderr,"inconsistent requests for %s\n",pos->property);
	289	exit(1);
	290	}
	291	pos->action \|= PROP_ACTION_RO;
	292	break;
	293	}
294	}
295
296	int check_crc(unsigned char *fw, int len)
297	{
298	int ret;
299	unsigned int crc, oldcrc;
300
301	ret = rsb_crc2(fw, len, 0x55335053, &crc);
302	oldcrc = (unsigned int)((unsigned int)(fw + len - 4));
303
304	printf("Checksum: 0x%08x (%s), should be: 0x%08x\n",
305	crc,
306	(ret ? "NOT OK" : "OK"),
307	oldcrc);
308
309	return ret;
310	}
311
972ac24b MG	312	int main(int argc, char **argv)
	313	{
	314	struct stat statbuf;
7ac4bfad	315	char *file = NULL;
972ac24b MG	316	unsigned char *fw;
	317	int fd;
	318	int remaining;
	319	int ret;
7ac4bfad MG	320	int opt;
	321	unsigned int crc;
	322	struct propaction *paction = NULL;
	323	int showall = 0;
	324	int update_crc = 0;
453260c6	325	int patch_bd = 0;
7ac4bfad	326	int patch_fw = 0;
972ac24b	327
7ac4bfad MG	328	if (argc < 2)
	329	syntax(argv[0]);
	330
453260c6	331	while ((opt = getopt(argc, argv, "dubt:f:w:r:")) != -1) {
7ac4bfad MG	332	switch(opt) {
	333	case 'd':
	334	showall = 1;
	335	break;
	336	case 'u':
	337	update_crc = 1;
	338	break;
453260c6 MG	339	case 'b':
	340	patch_bd = 1;
	341	break;
7ac4bfad MG	342	case 't':
	343	case 'f':
	344	case 'w':
	345	case 'r':
	346	patch_fw = 1;
	347	add_action(opt, optarg, &paction);
	348	break;
	349	default:
	350	syntax(argv[0]);
	351	}
972ac24b MG	352	}
972ac24b MG	353
7ac4bfad MG	354	if (argc > optind) {
	355	file = argv[optind];
	356	} else {
	357	syntax(argv[0]);
	358	}
	359
	360	if (stat(file, &statbuf) == -1) {
	361	fprintf(stderr,"%s: ", file);
972ac24b MG	362	perror("stat");
	363	exit(1);
	364	}
	365
7ac4bfad MG	366	if ((fd = open(file, O_RDONLY)) == -1) {
7ac4bfad MG	367	fprintf(stderr,"%s: ", file);
972ac24b MG	368	perror("open");
	369	exit(1);
	370	}
	371
	372	if ((fw = malloc(statbuf.st_size)) == NULL) {
	373	perror("malloc");
	374	exit(1);
	375	}
	376
	377	bzero(fw, statbuf.st_size);
	378
	379	remaining = statbuf.st_size;
	380
	381	while(remaining) {
	382	if ((ret = read(fd, fw + (statbuf.st_size - remaining), remaining)) == -1) {
	383	perror("read");
	384	exit(1);
	385	}
	386	remaining -= ret;
	387	}
7ac4bfad	388	close(fd);
972ac24b	389
7ac4bfad MG	390	ret = check_crc(fw, statbuf.st_size);
	391	if ((ret != 0) && (!update_crc)) {
	392	fprintf(stderr,"Checksum incorrect, aborting...\n");
	393	}
972ac24b	394
7ac4bfad MG	395	if (patch_fw) {
	396	struct propaction *cpaction = paction;
	397
	398	change_properties(fw, statbuf.st_size, paction);
	399
	400	printf("\nProperty change results:\n");
	401	while(cpaction != NULL) {
	402	printf("%s: ", cpaction->property);
	403
	404	if (cpaction->status == PROP_STATUS_NOTFOUND)
	405	printf("NOTFOUND ");
	406	if (cpaction->status & PROP_STATUS_SUCCESS)
	407	printf("SUCCESS ");
	408	if (cpaction->status & PROP_STATUS_SAMEVAL)
	409	printf("SAMEVAL ");
	410	if (cpaction->status & PROP_STATUS_WRONGTYPE)
	411	printf("WRONGTYPE ");
	412	if (cpaction->status & PROP_STATUS_WRONGRIGHTS)
	413	printf("WRONGRIGHTS ");
	414	printf("\n");
	415
	416	cpaction = cpaction->next;
7f88d2b6	417	}
7ac4bfad	418	printf("\n");
7f88d2b6	419	}
972ac24b	420
453260c6 MG	421	if (patch_bd) {
	422	handle_boarddescription(fw, statbuf.st_size -4, 1);
	423	}
	424
	425	if (showall) {
7ac4bfad	426	show_properties(fw, statbuf.st_size - 4);
453260c6 MG	427	handle_boarddescription(fw, statbuf.st_size -4, 0);
453260c6 MG	428	}
7ac4bfad	429
453260c6	430	if (update_crc \|\| patch_fw \|\| patch_bd) {
7ac4bfad MG	431	ret = rsb_crc2(fw, statbuf.st_size, 0x55335053, &crc);
	432	if (ret == 4) {
	433	((unsigned int)(fw + statbuf.st_size - 4)) = crc;
	434	}
	435
	436	if (check_crc(fw, statbuf.st_size) == 0) {
	437	char *newfile;
	438
	439	newfile = malloc(strlen(file) + strlen(".patched") + 1);
	440	if (newfile == NULL) {
	441	perror("malloc");
	442	exit(1);
	443	}
	444	strcpy(newfile, file);
	445	strcat(newfile, ".patched");
	446
	447	printf("Writing %s\n", newfile);
	448	if ((fd = open(newfile, O_WRONLY\|O_CREAT, 0644)) == -1) {
	449	fprintf(stderr,"%s: ", file);
	450	perror("open");
	451	exit(1);
	452	}
	453
	454	remaining = statbuf.st_size;
	455
	456	while(remaining) {
	457	if ((ret = write(fd, fw + (statbuf.st_size - remaining), remaining)) == -1) {
	458	perror("write");
	459	exit(1);
	460	}
	461	remaining -= ret;
	462	}
	463	close(fd);
	464	} else {
	465	fprintf(stderr,"Can't set correct checksum, aborting...\n");
	466	}
	467	}
	468
972ac24b MG	469	exit(0);
972ac24b MG	470	}