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TegraExplorer/source/tegraexplorer/fs/fsextractbis.c
2020-05-02 14:06:56 +02:00

109 lines
No EOL
2.7 KiB
C

#include "fsutils.h"
#include <string.h>
#include "../../gfx/gfx.h"
#include "../gfx/gfxutils.h"
#include "../../utils/types.h"
#include "../../storage/emummc.h"
#include "../common/common.h"
#include "../../libs/fatfs/ff.h"
#include "../../utils/sprintf.h"
#include "../../mem/heap.h"
#include "../../storage/nx_emmc.h"
#include "../common/types.h"
#include "../utils/utils.h"
#include "fsactions.h"
u32 DecodeInt(u8* data) {
u32 out = 0;
for (int i = 0; i < 4; i++) {
out |= (data[i] << ((3 - i) * 8));
}
return out;
}
void copy_fil_size(FIL* in_src, FIL* out_src, int size_src){
u8* buff;
buff = calloc(16384, sizeof(u8));
int size = size_src;
int copysize;
while (size > 0){
copysize = MIN(16834, size);
f_read(in_src, buff, copysize, NULL);
f_write(out_src, buff, copysize, NULL);
size -= copysize;
}
free(buff);
}
void gen_part(int size, FIL* in, char *path){
FIL out;
f_open(&out, path, FA_WRITE | FA_CREATE_ALWAYS);
copy_fil_size(in, &out, size);
f_close(&out);
}
int extract_bis_file(char *path, char *outfolder){
FIL in;
int res;
u8 version[0x10];
u8 args;
u8 temp[0x4];
u32 filesizes[4];
char *tempPath;
if ((res = f_open(&in, path, FA_READ | FA_OPEN_EXISTING))){
gfx_errDisplay("extract_bis_file", res, 0);
return -1;
}
f_read(&in, version, 0x10, NULL);
f_read(&in, &args, 1, NULL);
for (int i = 0; i < 4; i++){
f_read(&in, temp, 4, NULL);
filesizes[i] = DecodeInt(temp);
}
gfx_printf("Version: %s\n\n", version);
if (args & BOOT0_ARG){
gfx_printf("\nExtracting BOOT0\n");
gen_part(filesizes[0], &in, fsutil_getnextloc(outfolder, "BOOT0.bin"));
}
if (args & BOOT1_ARG){
gfx_printf("Extracting BOOT1\n");
gen_part(filesizes[1], &in, fsutil_getnextloc(outfolder, "BOOT1.bin"));
}
if (args & BCPKG2_1_ARG){
utils_copystring(fsutil_getnextloc(outfolder, "BCPKG2-1-Normal-Main"), &tempPath);
gfx_printf("Extracting BCPKG2_1/2\n");
gen_part(filesizes[2], &in, tempPath);
fsact_copy(tempPath, fsutil_getnextloc(outfolder, "BCPKG2-2-Normal-Sub"), COPY_MODE_PRINT);
RESETCOLOR;
free(tempPath);
}
if (args & BCPKG2_3_ARG){
utils_copystring(fsutil_getnextloc(outfolder, "BCPKG2-3-SafeMode-Main"), &tempPath);
gfx_printf("Extracting BCPKG2_3/4\n");
gen_part(filesizes[3], &in, tempPath);
fsact_copy(tempPath, fsutil_getnextloc(outfolder, "BCPKG2-4-SafeMode-Sub"), COPY_MODE_PRINT);
RESETCOLOR;
free(tempPath);
}
gfx_printf("\n\nDone!\n");
f_close(&in);
return 0;
}