static void unpack_content(const char *name)
{
u8 *tmp;
u8 *decompressed;
u64 offset;
u64 size;
u64 size_real;
tmp = pkg + meta_offset + 0x80 + 0x30 * 2;
offset = be64(tmp);
size = be64(tmp + 8);
size_real = dec_size - 0x80;
if (be32(tmp + 0x2c) == 0x2) {
decompressed = malloc(size_real);
memset(decompressed, 0xaa, size_real);
decompress(pkg + offset, size, decompressed, size_real);
memcpy_to_file(name, decompressed, size_real);
} else {
memcpy_to_file(name, pkg + offset, size);
}
}
void Unpup(const char* folder){
u32 i;
char folder_2[200];
if(read_only!=1){
DIR *dip;
i=0;
do{
sprintf(folder_2,"%s_%u",folder,i++);
}while((dip = opendir(folder_2)) != NULL);
closedir(dip);
MKDIR(folder_2, 0777);
chdir(folder_2);
}
const char *file_name;
if(read_only!=0)
printf("Read Only Mode!\n");
printf("Reading...\n");
u64 HDR = be64(pup);
if(HDR!=PSV_HDR)
fail("\nERROR! Not a PlayStation Vita Update File (%08x%08x)",HDR>>32,HDR);
u32 pkg_version = le32(pup+0x08);
u32 img_version = le32(pup+0x10);
file_count = le32(pup+0x18);
u32 hdr_lenght = le32(pup+0x20);
u32 pkg_lenght = le32(pup+0x28);
dmsg("HDR 0x%08x%08x\n",HDR>>32,HDR);
dmsg("PKG VERSION 0x%08x\n",pkg_version);
dmsg("IMG VERSION 0x%08x\n",img_version);
printf("N of Files %u\n",file_count);
dmsg("HDR Lenght 0x%08x\n",hdr_lenght);
dmsg("PKG Lenght 0x%08x\n",pkg_lenght);
dmsg("Table Lenght 0x%08x\n",0x80+(0x20*file_count));
u32 entry,offset,size;
for(i=0;i<file_count;i+=0x1){
entry = le32(pup+0x80+0x20*i);
offset = le32(pup+0x80+0x20*i+0x08);
size = le32(pup+0x80+0x20*i+0x10);
file_name = id2name(entry, t_names, NULL);
if(file_name==NULL){
dmsg("unknown entry id: 0x%08x | Offset: 0x%08x\n",entry,offset);
snprintf(unknown_name,256,"unknown_data_0x%x_%02d.data",entry,unknown_type++);
file_name = unknown_name;
}
printf("Found: %30s | size: %10u Bytes\n",file_name,size);
if(read_only!=1)
memcpy_to_file(file_name, pup + offset, size);
}
if(read_only!=1){
dmsg("Writing security_1..");
Write("security_1",0x30,0x50);
}
printf("Done!\n");
}
static void unpack_file(u32 i)
{
u8 *ptr;
u8 name[33];
u64 offset;
u64 size;
ptr = pkg + 0x10 + 0x30 * i;
offset = be64(ptr + 0x00);
size = be64(ptr + 0x08);
memset(name, 0, sizeof name);
strncpy((char *)name, (char *)(ptr + 0x10), 0x20);
printf("unpacking %s...\n", name);
memcpy_to_file((char *)name, pkg + offset, size);
}
static void unpack_info(u32 i)
{
u8 *tmp;
u64 offset;
u64 size;
char path[256];
tmp = pkg + meta_offset + 0x80 + 0x30 * i;
snprintf(path, sizeof path, "info%d", i);
offset = be64(tmp);
size = be64(tmp + 8);
if (size != 0x40)
fail("weird info size: %08x", size);
memcpy_to_file(path, pkg + offset, size);
}
static void do_toc(u8 *ptr)
{
u32 n_entries;
u32 i;
u8 *p;
u8 *tmp;
u64 size;
char name[0x20];
n_entries = be32(ptr + 0x04);
p = ptr + 0x10;
for(i = 0; i < n_entries; i++) {
memcpy(name, p + 16, 0x20);
tmp = ptr + be64(p);
size = be64(p + 0x08);
memcpy_to_file(name, tmp, size);
p += 0x30;
}
}
static void unpack_pkg(void)
{
u64 i;
u64 n_files;
u32 fname_len;
u32 fname_off;
u64 file_offset;
u32 flags;
char fname[256];
u8 *tmp;
n_files = be32(pkg + 0x14);
for (i = 0; i < n_files; i++) {
tmp = pkg + offset + i*0x20;
fname_off = be32(tmp) + offset;
fname_len = be32(tmp + 0x04);
file_offset = be64(tmp + 0x08) + offset;
size = be64(tmp + 0x10);
flags = be32(tmp + 0x18);
if (fname_len >= sizeof fname)
fail("filename too long: %s", pkg + fname_off);
memset(fname, 0, sizeof fname);
strncpy(fname, (char *)(pkg + fname_off), fname_len);
flags &= 0xff;
if (flags == 4)
MKDIR(fname, 0777);
else if (flags == 1 || flags == 3)
memcpy_to_file(fname, pkg + file_offset, size);
else
fail("unknown flags: %08x", flags);
}
}