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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define ARRAY_SIZE(fw) sizeof(fw)/sizeof(fw[0])
struct{
char *fwname;
char *fwstart;
char *fwstart2;
int length1;
int length2;
} xc_firmware[]={{"Terratec","\x2a\x03\xe5\xe0\x00\x07\xf4\xd0\x01\xc0\x70\xe0\x00\x07","\x2a\x00\xbc\xe0\x00\x07\xb0\xf1\x05\x01\x67\x82\x02\x82",2480,3890},
{"Hauppauge","\x2a\x03\xcc\xe0\x00\x07\xf4\xd0\x01\xc0\x70\xe0\x00\x07","\x2a\x00\xbe\xe0\x00\x07\xb9\xf1\x05\x01\x69\x82\x02\x82",2532,3886}};
int main(int argc, char **argv){
FILE *file;
char buffer[1024];
char *fwmem=0;
int len;
long fleng=0;
int i;
int n=0;
int x;
int done=0;
int d=0;
int e=0;
if(argc!=2){
printf("./convert <filename>\n");
exit(1);
}
file=fopen(argv[1],"r");
if(!file){
printf("unable to open file\n");
exit(1);
}
fprintf(stderr,"Firmware extractor 0.1\n");
while((len=fread(buffer,1,1024,file))){
fleng+=len;
fwmem=realloc(fwmem,fleng);
memcpy(&fwmem[fleng-len],buffer,len);
}
fprintf(stderr,"Stored in memory: %ld\n",fleng);
for(n=0;n<ARRAY_SIZE(xc_firmware);n++){
for(i=0;i<fleng&&done!=2;i++){
if(xc_firmware[n].fwstart[d]==fwmem[i]&&done!=1){
if(d==13){
fprintf(stderr,"==== %s ====\n",xc_firmware[n].fwname);
printf("%d\n",xc_firmware[n].length1);
fprintf(stderr,"FW part 1 found!\n");
fprintf(stderr,"Length: %d bytes\n",xc_firmware[n].length1);
for(x=1;x<=xc_firmware[n].length1;x++){
fprintf(stderr,"%02x ",((unsigned char*)fwmem)[i-13+x]);
printf("%c",((unsigned char*)fwmem)[i-13+x]);
if(x%63==0){
fprintf(stderr,"\n");
}
}
fprintf(stderr,"\n");
done++;
}
d++;
} else {
d=0;
}
if(xc_firmware[n].fwstart2[e]==fwmem[i]){
if(e==13){
fprintf(stderr,"-------------------------------------------\n");
fprintf(stderr,"FW part 2 found!\n");
fprintf(stderr,"Length: %d bytes\n",xc_firmware[n].length2);
for(x=1;x<=xc_firmware[n].length2;x++){
printf("%c",((unsigned char*)fwmem)[i-13+x]);
fprintf(stderr,"%02x ",((unsigned char*)fwmem)[i-13+x]);
if(x%63==0){
fprintf(stderr,"\n");
}
}
done++;
}
e++;
} else {
e=0;
}
}
}
free(fwmem);
fclose(file);
exit(0);
}
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