Kameleon
71 lines
2.1 KiB
JavaScript
71 lines
2.1 KiB
JavaScript
/* Copyright (C) 2023-2025 anonymous
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This file is part of PSFree.
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PSFree is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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PSFree is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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// webkitgtk 2.34.4 was used to develop the portable parts of the exploit
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// before moving on to ps4 8.03
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//
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// webkitgtk 2.34.4 was built with cmake variable ENABLE_JIT=OFF, that variable
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// can affect the size of SerializedScriptValue
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//
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// this target is no longer supported
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// target firmware format used by PSFree
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//
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// 0xC_MM_mm
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//
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// * C console - PS4 (0) or PS5 (1) (1 bit)
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// * MM major version - integer part of the firmware version (8 bits)
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// * mm minor version - fractional part of the firmware version (8 bits)
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//
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// examples:
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// * PS4 10.00 -> C = 0 MM = 10 mm = 0 -> 0x0_10_00
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// * PS5 4.51 -> C = 1 MM = 4 mm = 51 -> 0x1_04_51
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// check if value is in Binary Coded Decimal format
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// assumes integer and is in the range [0, 0xffff]
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function check_bcd(value) {
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for (let i = 0; i <= 12; i += 4) {
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const nibble = (value >>> i) & 0xf;
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if (nibble > 9) {
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return false;
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}
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}
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return true;
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}
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export function set_target(value) {
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if (!Number.isInteger(value)) {
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throw TypeError(`value not an integer: ${value}`);
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}
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if (value >= 0x20000 || value < 0) {
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throw RangeError(`value >= 0x20000 or value < 0: ${value}`);
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}
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const version = value & 0xffff;
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if (!check_bcd(version)) {
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throw RangeError(`value & 0xffff not in BCD format ${version}`);
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}
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target = value;
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}
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export let target = null;
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set_target(0x900);
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