Files
openfut-launcher/openfut-hook/src/tls_bypass.rs
T
2026-08-07 12:03:21 -07:00

41 lines
1.3 KiB
Rust

use std::sync::OnceLock;
use windows_sys::Win32::Foundation::BOOL;
// CERT_CHAIN_POLICY_STATUS.dwError offset 0 = u32 error code; 0 = success.
// We use raw pointers to avoid pulling in the full Cryptography struct tree.
type CertVerifyChainPolicyFn = unsafe extern "system" fn(
*const u8, // pszPolicyOID
*const (), // pChainContext
*const (), // pPolicyPara
*mut u32, // &mut pPolicyStatus.dwError (first field)
) -> BOOL;
static REAL: OnceLock<CertVerifyChainPolicyFn> = OnceLock::new();
pub fn set_real(f: CertVerifyChainPolicyFn) {
let _ = REAL.set(f);
}
/// Hooked CertVerifyCertificateChainPolicy — always reports success.
/// This allows the bridge's self-signed TLS cert to be accepted by the game.
pub unsafe extern "system" fn hooked_cert_verify_chain_policy(
psz_policy_oid: *const u8,
p_chain_context: *const (),
p_policy_para: *const (),
p_policy_status: *mut u32,
) -> BOOL {
if let Some(real) = REAL.get().copied() {
real(
psz_policy_oid,
p_chain_context,
p_policy_para,
p_policy_status,
);
}
// Clear the error field of CERT_CHAIN_POLICY_STATUS regardless
if !p_policy_status.is_null() {
*p_policy_status = 0;
}
1 // TRUE = verified OK
}