#include <string.h>
#include <strings.h>
#include "rsb-crc.h"
+#include "extract.h"
#define FINDSTR(addr, str) (!strncmp((char*)addr, str, strlen(str)))
void show_properties(unsigned char *fw, int len)
{
- int i;
+ struct file_entry *fent;
- 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/")) {
+ for (fent = get_next_file(fw, len); fent != NULL; fent = get_next_file(NULL, 0)) {
+ if (FINDSTR(fent->name, "/default/fw_prop/") ||
+ FINDSTR(fent->name, "/default/fw_setup/") ||
+ FINDSTR(fent->name, "/default/oem_prop/")) {
struct properties *prop;
- unsigned char *pos = fw + i;
- printf("0x%08x: found setting: %s ", i, pos);
+ printf("0x%08x: found setting: %s ", fent->start - fw, fent->name);
- prop = (struct properties*)(pos + strlen((char*)pos) + 1);
+ prop = (struct properties*)fent->start;
if (prop->magic != 0x83011111) {
printf("ignoring...\n");
}
if (prop->right_rw == 0x00 && prop->rw_mask == 0x00) {
- printf("(R-) ");
+ printf("(R-)");
} else if (prop->right_rw == 0x01) {
- printf("(RW mask: 0x%02x) ", prop->rw_mask);
+ printf("(RW mask: 0x%02x)", prop->rw_mask);
} else {
- printf("(UNK 0x%02x 0x%02x) ", prop->right_rw, prop->rw_mask);
+ printf("(UNK 0x%02x 0x%02x)", prop->right_rw, prop->rw_mask);
}
- printf("\n");
+ printf(", length: %d\n", fent->length);
}
}
}
void change_properties(unsigned char *fw, int len, struct propaction *paction)
{
- int i;
+ struct file_entry *fent;
struct propaction *cpaction;
- for (i = 0; i < (len-100 /* XXX */); i++) {
+ for (fent = get_next_file(fw, len); fent != NULL; fent = get_next_file(NULL, 0)) {
cpaction = paction;
while (cpaction != NULL) {
- if (FINDSTR(fw + i, cpaction->property)) {
+ if (FINDSTR(fent->name, 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);
+ prop = (struct properties*)fent->start;
if (prop->magic != 0x83011111) {
continue;
void handle_boarddescription(unsigned char *fw, int len, int patch)
{
- int i;
+ struct file_entry *fent;
+ unsigned char *pos;
- for (i = len - (strlen("pdata")+1); i > 0; i--) {
- if (FINDSTR(fw+i, "pdata")) {
- unsigned char *pos = fw + i + strlen("pdata") + 1;
+ for (fent = get_next_file(fw, len); fent != NULL; fent = get_next_file(NULL, 0)) {
+ if (!strcmp(fent->name, "pdata"))
+ break;
+ }
- /* MAGIC? */
- if (*((unsigned int*)pos) != 0x00002802) {
- continue;
- }
+ if (fent == NULL) {
+ fprintf(stderr, "pdata file not found, aborting!\n");
+ exit(1);
+ }
- pos += 26;
- /* MAGIC2? */
- if (*((unsigned int*)pos) != 0x00500101) {
- continue;
- }
+ pos = fent->start;
+ /* MAGIC? */
+ if (*((unsigned int*)pos) != 0x00002802) {
+ fprintf(stderr, "pdata magic does not match, aborting!\n");
+ exit(1);
+ }
- if (patch) {
- /* Enable relay power switching */
- BD_SET(pos, PWRRELAY);
- }
- printf("0x%08x: BOARD_DESCRIPTION: ", pos-fw);
- print_boarddescription(pos);
+ pos += 26;
- break;
- }
+ /* MAGIC2? */
+ if (*((unsigned int*)pos) != 0x00500101) {
+ fprintf(stderr, "pdata magic2 does not match, aborting!\n");
+ exit(1);
+ }
+
+ if (patch) {
+ /* Enable ATX and relay power switching */
+ BD_SET(pos, PWRATX);
+ BD_SET(pos, PWRRELAY);
}
+
+ printf("0x%08x: BOARD_DESCRIPTION: ", fent->start - fw);
+ print_boarddescription(pos);
}
void syntax(char *name)
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-e\t\textract files in firmware\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");
return ret;
}
+void check_image(unsigned char *fw, int len)
+{
+ struct file_entry *fent;
+ char *last_name = NULL;
+
+ /* get_next_file will abort on error */
+ fent = get_next_file(fw, len);
+ while (fent != NULL) {
+ last_name = fent->name;
+ fent = get_next_file(NULL, 0);
+ }
+}
+
int main(int argc, char **argv)
{
struct stat statbuf;
int update_crc = 0;
int patch_bd = 0;
int patch_fw = 0;
+ int extract = 0;
if (argc < 2)
syntax(argv[0]);
- while ((opt = getopt(argc, argv, "dubt:f:w:r:")) != -1) {
+ while ((opt = getopt(argc, argv, "dubet:f:w:r:")) != -1) {
switch(opt) {
case 'd':
showall = 1;
case 'b':
patch_bd = 1;
break;
+ case 'e':
+ extract = 1;
+ break;
case 't':
case 'f':
case 'w':
ret = check_crc(fw, statbuf.st_size);
if ((ret != 0) && (!update_crc)) {
fprintf(stderr,"Checksum incorrect, aborting...\n");
+ exit(1);
}
+ check_image(fw, statbuf.st_size - 4);
+
if (patch_fw) {
struct propaction *cpaction = paction;
- change_properties(fw, statbuf.st_size, paction);
+ change_properties(fw, statbuf.st_size - 4, paction);
printf("\nProperty change results:\n");
while(cpaction != NULL) {
}
if (patch_bd) {
- handle_boarddescription(fw, statbuf.st_size -4, 1);
+ 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);
+ handle_boarddescription(fw, statbuf.st_size - 4, 0);
+ }
+
+ if (extract) {
+ extract_files(fw, statbuf.st_size - 4);
}
if (update_crc || patch_fw || patch_bd) {
*((unsigned int*)(fw + statbuf.st_size - 4)) = crc;
}
+ check_image(fw, statbuf.st_size-4);
+
if (check_crc(fw, statbuf.st_size) == 0) {
char *newfile;
printf("Writing %s\n", newfile);
if ((fd = open(newfile, O_WRONLY|O_CREAT, 0644)) == -1) {
- fprintf(stderr,"%s: ", file);
+ fprintf(stderr,"%s: ", newfile);
perror("open");
exit(1);
}
projects / rsbs2 / blobdiff