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feat: updated engine version to 4.4-rc1

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Sara 2025-02-23 14:38:14 +01:00
parent ee00efde1f
commit 21ba8e33af
5459 changed files with 1128836 additions and 198305 deletions
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99
engine/core/io/file_access_encrypted.cpp
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@ -31,13 +31,10 @@
#include "file_access_encrypted.h"
#include "core/crypto/crypto_core.h"
#include "core/string/print_string.h"
#include "core/variant/variant.h"
#include <stdio.h>
Error FileAccessEncrypted::open_and_parse(Ref<FileAccess> p_base, const Vector<uint8_t> &p_key, Mode p_mode, bool p_with_magic) {
ERR_FAIL_COND_V_MSG(file != nullptr, ERR_ALREADY_IN_USE, "Can't open file while another file from path '" + file->get_path_absolute() + "' is open.");
Error FileAccessEncrypted::open_and_parse(Ref<FileAccess> p_base, const Vector<uint8_t> &p_key, Mode p_mode, bool p_with_magic, const Vector<uint8_t> &p_iv) {
ERR_FAIL_COND_V_MSG(file.is_valid(), ERR_ALREADY_IN_USE, vformat("Can't open file while another file from path '%s' is open.", file->get_path_absolute()));
ERR_FAIL_COND_V(p_key.size() != 32, ERR_INVALID_PARAMETER);
pos = 0;
@ -49,6 +46,16 @@ Error FileAccessEncrypted::open_and_parse(Ref<FileAccess> p_base, const Vector<u
writing = true;
file = p_base;
key = p_key;
if (p_iv.is_empty()) {
iv.resize(16);
CryptoCore::RandomGenerator rng;
ERR_FAIL_COND_V_MSG(rng.init(), FAILED, "Failed to initialize random number generator.");
Error err = rng.get_random_bytes(iv.ptrw(), 16);
ERR_FAIL_COND_V(err != OK, err);
} else {
ERR_FAIL_COND_V(p_iv.size() != 16, ERR_INVALID_PARAMETER);
iv = p_iv;
}
} else if (p_mode == MODE_READ) {
writing = false;
@ -63,10 +70,8 @@ Error FileAccessEncrypted::open_and_parse(Ref<FileAccess> p_base, const Vector<u
p_base->get_buffer(md5d, 16);
length = p_base->get_64();
unsigned char iv[16];
for (int i = 0; i < 16; i++) {
iv[i] = p_base->get_8();
}
iv.resize(16);
p_base->get_buffer(iv.ptrw(), 16);
base = p_base->get_position();
ERR_FAIL_COND_V(p_base->get_length() < base + length, ERR_FILE_CORRUPT);
@ -83,7 +88,7 @@ Error FileAccessEncrypted::open_and_parse(Ref<FileAccess> p_base, const Vector<u
CryptoCore::AESContext ctx;
ctx.set_encode_key(key.ptrw(), 256); // Due to the nature of CFB, same key schedule is used for both encryption and decryption!
ctx.decrypt_cfb(ds, iv, data.ptrw(), data.ptrw());
ctx.decrypt_cfb(ds, iv.ptrw(), data.ptrw(), data.ptrw());
}
data.resize(length);
@ -145,14 +150,9 @@ void FileAccessEncrypted::_close() {
file->store_buffer(hash, 16);
file->store_64(data.size());
file->store_buffer(iv.ptr(), 16);
unsigned char iv[16];
for (int i = 0; i < 16; i++) {
iv[i] = Math::rand() % 256;
file->store_8(iv[i]);
}
ctx.encrypt_cfb(len, iv, compressed.ptrw(), compressed.ptrw());
ctx.encrypt_cfb(len, iv.ptrw(), compressed.ptrw(), compressed.ptrw());
file->store_buffer(compressed.ptr(), compressed.size());
data.clear();
@ -162,7 +162,7 @@ void FileAccessEncrypted::_close() {
}
bool FileAccessEncrypted::is_open() const {
return file != nullptr;
return file.is_valid();
}
String FileAccessEncrypted::get_path() const {
@ -206,26 +206,19 @@ bool FileAccessEncrypted::eof_reached() const {
return eofed;
}
uint8_t FileAccessEncrypted::get_8() const {
ERR_FAIL_COND_V_MSG(writing, 0, "File has not been opened in read mode.");
if (pos >= get_length()) {
eofed = true;
uint64_t FileAccessEncrypted::get_buffer(uint8_t *p_dst, uint64_t p_length) const {
ERR_FAIL_COND_V_MSG(writing, -1, "File has not been opened in read mode.");
if (!p_length) {
return 0;
}
uint8_t b = data[pos];
pos++;
return b;
}
uint64_t FileAccessEncrypted::get_buffer(uint8_t *p_dst, uint64_t p_length) const {
ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
ERR_FAIL_COND_V_MSG(writing, -1, "File has not been opened in read mode.");
ERR_FAIL_NULL_V(p_dst, -1);
uint64_t to_copy = MIN(p_length, get_length() - pos);
for (uint64_t i = 0; i < to_copy; i++) {
p_dst[i] = data[pos++];
}
memcpy(p_dst, data.ptr() + pos, to_copy);
pos += to_copy;
if (to_copy < p_length) {
eofed = true;
@ -238,21 +231,23 @@ Error FileAccessEncrypted::get_error() const {
return eofed ? ERR_FILE_EOF : OK;
}
void FileAccessEncrypted::store_buffer(const uint8_t *p_src, uint64_t p_length) {
ERR_FAIL_COND_MSG(!writing, "File has not been opened in write mode.");
ERR_FAIL_COND(!p_src && p_length > 0);
bool FileAccessEncrypted::store_buffer(const uint8_t *p_src, uint64_t p_length) {
ERR_FAIL_COND_V_MSG(!writing, false, "File has not been opened in write mode.");
if (pos < get_length()) {
for (uint64_t i = 0; i < p_length; i++) {
store_8(p_src[i]);
}
} else if (pos == get_length()) {
data.resize(pos + p_length);
for (uint64_t i = 0; i < p_length; i++) {
data.write[pos + i] = p_src[i];
}
pos += p_length;
if (!p_length) {
return true;
}
ERR_FAIL_NULL_V(p_src, false);
if (pos + p_length >= get_length()) {
ERR_FAIL_COND_V(data.resize(pos + p_length) != OK, false);
}
memcpy(data.ptrw() + pos, p_src, p_length);
pos += p_length;
return true;
}
void FileAccessEncrypted::flush() {
@ -261,18 +256,6 @@ void FileAccessEncrypted::flush() {
// encrypted files keep data in memory till close()
}
void FileAccessEncrypted::store_8(uint8_t p_dest) {
ERR_FAIL_COND_MSG(!writing, "File has not been opened in write mode.");
if (pos < get_length()) {
data.write[pos] = p_dest;
pos++;
} else if (pos == get_length()) {
data.push_back(p_dest);
pos++;
}
}
bool FileAccessEncrypted::file_exists(const String &p_name) {
Ref<FileAccess> fa = FileAccess::open(p_name, FileAccess::READ);
if (fa.is_null()) {