forked from Dniel97/segatools
647 lines
16 KiB
C
647 lines
16 KiB
C
#include <windows.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include "hook/iohook.h"
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#include "hooklib/reg.h"
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#include "platform/nusec.h"
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#include "util/dprintf.h"
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#include "util/dump.h"
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#include "util/str.h"
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enum {
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NUSEC_IOCTL_PING = 0x22A114,
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NUSEC_IOCTL_ERASE_TRACE_LOG = 0x22E188,
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NUSEC_IOCTL_TD_ERASE_USED = 0x22E18C,
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NUSEC_IOCTL_ADD_PLAY_COUNT = 0x22E154,
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NUSEC_IOCTL_GET_BILLING_CA_CERT = 0x22E1C4,
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NUSEC_IOCTL_GET_BILLING_PUBKEY = 0x22E1C8,
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NUSEC_IOCTL_GET_NEARFULL = 0x22E20C,
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NUSEC_IOCTL_GET_NVRAM_AVAILABLE = 0x22E19C,
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NUSEC_IOCTL_GET_NVRAM_GEOMETRY = 0x22E24C,
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NUSEC_IOCTL_GET_PLAY_COUNT = 0x22E150,
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NUSEC_IOCTL_GET_PLAY_LIMIT = 0x22E204,
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NUSEC_IOCTL_GET_TRACE_LOG_DATA = 0x22E194,
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NUSEC_IOCTL_GET_TRACE_LOG_STATE = 0x22E198,
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NUSEC_IOCTL_PUT_NEARFULL = 0x22E210,
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NUSEC_IOCTL_PUT_PLAY_LIMIT = 0x22E208,
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NUSEC_IOCTL_PUT_TRACE_LOG_DATA = 0x22E190,
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};
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struct nusec_log_record {
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uint8_t unknown[60];
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};
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static HRESULT nusec_handle_irp(struct irp *irp);
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static HRESULT nusec_handle_open(struct irp *irp);
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static HRESULT nusec_handle_close(struct irp *irp);
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static HRESULT nusec_handle_ioctl(struct irp *irp);
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static HRESULT nusec_ioctl_ping(struct irp *irp);
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static HRESULT nusec_ioctl_erase_trace_log(struct irp *irp);
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static HRESULT nusec_ioctl_td_erase_used(struct irp *irp);
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static HRESULT nusec_ioctl_add_play_count(struct irp *irp);
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static HRESULT nusec_ioctl_get_billing_ca_cert(struct irp *irp);
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static HRESULT nusec_ioctl_get_billing_pubkey(struct irp *irp);
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static HRESULT nusec_ioctl_get_nearfull(struct irp *irp);
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static HRESULT nusec_ioctl_get_nvram_available(struct irp *irp);
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static HRESULT nusec_ioctl_get_nvram_geometry(struct irp *irp);
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static HRESULT nusec_ioctl_get_play_count(struct irp *irp);
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static HRESULT nusec_ioctl_get_play_limit(struct irp *irp);
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static HRESULT nusec_ioctl_get_trace_log_data(struct irp *irp);
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static HRESULT nusec_ioctl_get_trace_log_state(struct irp *irp);
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static HRESULT nusec_ioctl_put_nearfull(struct irp *irp);
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static HRESULT nusec_ioctl_put_play_limit(struct irp *irp);
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static HRESULT nusec_ioctl_put_trace_log_data(struct irp *irp);
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static HRESULT nusec_reg_read_game_id(void *bytes, uint32_t *nbytes);
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static HRESULT nusec_reg_read_keychip_id(void *bytes, uint32_t *nbytes);
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static HRESULT nusec_reg_read_model_type(void *bytes, uint32_t *nbytes);
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static HRESULT nusec_reg_read_platform_id(void *bytes, uint32_t *nbytes);
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static HRESULT nusec_reg_read_region(void *bytes, uint32_t *nbytes);
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static HRESULT nusec_reg_read_server_ip_ipv4(void *bytes, uint32_t *nbytes);
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static HRESULT nusec_reg_read_server_ip_ipv6(void *bytes, uint32_t *nbytes);
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static HRESULT nusec_reg_read_system_flag(void *bytes, uint32_t *nbytes);
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static const struct reg_hook_val nusec_reg_vals[] = {
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{
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.name = L"gameId",
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.read = nusec_reg_read_game_id,
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.type = REG_BINARY,
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}, {
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.name = L"keychipId",
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.read = nusec_reg_read_keychip_id,
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.type = REG_BINARY,
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}, {
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.name = L"modelType",
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.read = nusec_reg_read_model_type,
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.type = REG_DWORD,
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}, {
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.name = L"platformId",
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.read = nusec_reg_read_platform_id,
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.type = REG_BINARY,
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}, {
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.name = L"region",
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.read = nusec_reg_read_region,
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.type = REG_DWORD,
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}, {
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.name = L"serverIpIpv4",
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.read = nusec_reg_read_server_ip_ipv4,
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.type = REG_BINARY,
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}, {
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.name = L"serverIpIpv6",
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.read = nusec_reg_read_server_ip_ipv6,
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.type = REG_BINARY,
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}, {
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.name = L"systemFlag",
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.read = nusec_reg_read_system_flag,
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.type = REG_DWORD,
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}
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};
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static HANDLE nusec_fd;
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static uint32_t nusec_nearfull;
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static uint32_t nusec_play_count;
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static uint32_t nusec_play_limit;
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static struct nusec_log_record nusec_log[7154];
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static size_t nusec_log_head;
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static size_t nusec_log_tail;
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static struct nusec_config nusec_cfg;
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HRESULT nusec_hook_init(
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const struct nusec_config *cfg,
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const char *game_id,
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const char *platform_id)
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{
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HRESULT hr;
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assert(cfg != NULL);
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assert(game_id != NULL && strlen(game_id) == sizeof(cfg->game_id));
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assert(platform_id != NULL && strlen(platform_id) == sizeof(cfg->platform_id));
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if (!cfg->enable) {
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return S_FALSE;
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}
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memcpy(&nusec_cfg, cfg, sizeof(*cfg));
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if (nusec_cfg.game_id[0] == '\0') {
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memcpy(nusec_cfg.game_id, game_id, sizeof(nusec_cfg.game_id));
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}
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if (nusec_cfg.platform_id[0] == '\0') {
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memcpy(nusec_cfg.platform_id, platform_id, sizeof(nusec_cfg.platform_id));
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}
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// High 16 bits is billing type, low is actual playlimit
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nusec_nearfull = (nusec_cfg.billing_type << 16) + 512;
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nusec_play_count = 0;
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nusec_play_limit = 1024;
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hr = iohook_open_nul_fd(&nusec_fd);
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if (FAILED(hr)) {
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return hr;
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}
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hr = iohook_push_handler(nusec_handle_irp);
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if (FAILED(hr)) {
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return hr;
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}
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hr = reg_hook_push_key(
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HKEY_LOCAL_MACHINE,
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L"SYSTEM\\SEGA\\SystemProperty\\keychip",
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nusec_reg_vals,
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_countof(nusec_reg_vals));
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if (FAILED(hr)) {
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return hr;
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}
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return S_OK;
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}
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static HRESULT nusec_handle_irp(struct irp *irp)
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{
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assert(irp != NULL);
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if (irp->op != IRP_OP_OPEN && irp->fd != nusec_fd) {
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return iohook_invoke_next(irp);
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}
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switch (irp->op) {
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case IRP_OP_OPEN: return nusec_handle_open(irp);
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case IRP_OP_CLOSE: return nusec_handle_close(irp);
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case IRP_OP_IOCTL: return nusec_handle_ioctl(irp);
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default: return HRESULT_FROM_WIN32(ERROR_INVALID_FUNCTION);
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}
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}
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static HRESULT nusec_handle_open(struct irp *irp)
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{
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if (!wstr_ieq(irp->open_filename, L"\\??\\FddDriver")) {
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return iohook_invoke_next(irp);
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}
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dprintf("Security: Opened handle\n");
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irp->fd = nusec_fd;
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return S_OK;
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}
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static HRESULT nusec_handle_close(struct irp *irp)
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{
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dprintf("Security: Closed handle\n");
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return S_OK;
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}
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static HRESULT nusec_handle_ioctl(struct irp *irp)
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{
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switch (irp->ioctl) {
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case NUSEC_IOCTL_PING:
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return nusec_ioctl_ping(irp);
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case NUSEC_IOCTL_ERASE_TRACE_LOG:
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return nusec_ioctl_erase_trace_log(irp);
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case NUSEC_IOCTL_TD_ERASE_USED:
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return nusec_ioctl_td_erase_used(irp);
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case NUSEC_IOCTL_ADD_PLAY_COUNT:
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return nusec_ioctl_add_play_count(irp);
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case NUSEC_IOCTL_GET_BILLING_CA_CERT:
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return nusec_ioctl_get_billing_ca_cert(irp);
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case NUSEC_IOCTL_GET_BILLING_PUBKEY:
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return nusec_ioctl_get_billing_pubkey(irp);
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case NUSEC_IOCTL_GET_NEARFULL:
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return nusec_ioctl_get_nearfull(irp);
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case NUSEC_IOCTL_GET_NVRAM_AVAILABLE:
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return nusec_ioctl_get_nvram_available(irp);
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case NUSEC_IOCTL_GET_NVRAM_GEOMETRY:
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return nusec_ioctl_get_nvram_geometry(irp);
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case NUSEC_IOCTL_GET_PLAY_COUNT:
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return nusec_ioctl_get_play_count(irp);
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case NUSEC_IOCTL_GET_PLAY_LIMIT:
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return nusec_ioctl_get_play_limit(irp);
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case NUSEC_IOCTL_GET_TRACE_LOG_DATA:
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return nusec_ioctl_get_trace_log_data(irp);
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case NUSEC_IOCTL_GET_TRACE_LOG_STATE:
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return nusec_ioctl_get_trace_log_state(irp);
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case NUSEC_IOCTL_PUT_NEARFULL:
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return nusec_ioctl_put_nearfull(irp);
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case NUSEC_IOCTL_PUT_PLAY_LIMIT:
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return nusec_ioctl_put_play_limit(irp);
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case NUSEC_IOCTL_PUT_TRACE_LOG_DATA:
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return nusec_ioctl_put_trace_log_data(irp);
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default:
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dprintf("Security: Unknown ioctl %#08x, write %i read %i\n",
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irp->ioctl,
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(int) irp->write.nbytes,
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(int) irp->read.nbytes);
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return HRESULT_FROM_WIN32(ERROR_INVALID_FUNCTION);
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}
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}
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static HRESULT nusec_ioctl_ping(struct irp *irp)
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{
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return S_OK;
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}
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static HRESULT nusec_ioctl_erase_trace_log(struct irp *irp)
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{
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uint32_t count;
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size_t avail;
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HRESULT hr;
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hr = iobuf_read_le32(&irp->write, &count);
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if (FAILED(hr)) {
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return hr;
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}
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dprintf("Security: %s(count=%i)\n", __func__, count);
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avail = nusec_log_head - nusec_log_tail;
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if (count < avail) {
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count = avail;
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}
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nusec_log_tail += count;
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return S_OK;
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}
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static HRESULT nusec_ioctl_td_erase_used(struct irp *irp)
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{
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dprintf("Security: %s\n", __func__);
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nusec_log_head = 0;
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nusec_log_tail = 0;
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return S_OK;
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}
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static HRESULT nusec_ioctl_add_play_count(struct irp *irp)
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{
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uint32_t delta;
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HRESULT hr;
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hr = iobuf_read_le32(&irp->write, &delta);
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if (FAILED(hr)) {
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return hr;
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}
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dprintf("Security: Add play count: %i + %i = %i\n",
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nusec_play_count,
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delta,
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nusec_play_count + delta);
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nusec_play_count += delta;
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return iobuf_write_le32(&irp->read, nusec_play_count);
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}
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static HRESULT nusec_ioctl_get_billing_ca_cert(struct irp *irp)
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{
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HANDLE fd;
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HRESULT hr;
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dprintf("Security: %s\n", __func__);
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fd = CreateFileW(
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nusec_cfg.billing_ca,
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GENERIC_READ,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if (fd == INVALID_HANDLE_VALUE) {
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hr = HRESULT_FROM_WIN32(GetLastError());
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dprintf("Error opening CA cert file: %x\n", (int) hr);
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return hr;
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}
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/* Transform this ioctl into a read from that file and pass the IRP on */
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irp->op = IRP_OP_READ;
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irp->fd = fd;
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dprintf(">>> %p:%i/%i\n",
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irp->read.bytes,
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(int) irp->read.pos,
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(int) irp->read.nbytes);
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hr = iohook_invoke_next(irp);
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dprintf("<<< %p:%i/%i\n",
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irp->read.bytes,
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(int) irp->read.pos,
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(int) irp->read.nbytes);
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if (FAILED(hr)) {
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dprintf("ReadFile transformation failed: %x\n", (int) hr);
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}
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CloseHandle(fd);
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return hr;
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}
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static HRESULT nusec_ioctl_get_billing_pubkey(struct irp *irp)
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{
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HANDLE fd;
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HRESULT hr;
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dprintf("Security: %s\n", __func__);
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fd = CreateFileW(
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nusec_cfg.billing_pub,
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GENERIC_READ,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if (fd == INVALID_HANDLE_VALUE) {
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hr = HRESULT_FROM_WIN32(GetLastError());
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dprintf("Error opening billing pubkey file: %x\n", (int) hr);
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return hr;
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}
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irp->op = IRP_OP_READ;
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irp->fd = fd;
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dprintf(">>> %p:%i/%i\n",
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irp->read.bytes,
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(int) irp->read.pos,
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(int) irp->read.nbytes);
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hr = iohook_invoke_next(irp);
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dprintf("<<< %p:%i/%i\n",
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irp->read.bytes,
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(int) irp->read.pos,
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(int) irp->read.nbytes);
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if (FAILED(hr)) {
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dprintf("ReadFile transformation failed: %x\n", (int) hr);
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}
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CloseHandle(fd);
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return hr;
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}
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static HRESULT nusec_ioctl_get_nearfull(struct irp *irp)
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{
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dprintf("Security: %s\n", __func__);
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return iobuf_write_le32(&irp->read, nusec_nearfull);
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}
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static HRESULT nusec_ioctl_get_nvram_available(struct irp *irp)
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{
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size_t used;
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size_t avail;
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used = nusec_log_head - nusec_log_tail;
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avail = _countof(nusec_log) - used;
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dprintf("Security: %s: used=%i avail=%i\n", __func__,
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(int) used,
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(int) avail);
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return iobuf_write_le32(&irp->read, avail);
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}
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static HRESULT nusec_ioctl_get_nvram_geometry(struct irp *irp)
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{
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HRESULT hr;
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dprintf("Security: %s\n", __func__);
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iobuf_write_le32(&irp->read, 10); /* Num NVRAMs */
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hr = iobuf_write_le32(&irp->read, 4096); /* Num addresses (per NVRAM?) */
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return hr;
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}
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static HRESULT nusec_ioctl_get_play_count(struct irp *irp)
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{
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dprintf("Security: %s\n", __func__);
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return iobuf_write_le32(&irp->read, nusec_play_count);
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}
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static HRESULT nusec_ioctl_get_play_limit(struct irp *irp)
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{
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dprintf("Security: %s\n", __func__);
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return iobuf_write_le32(&irp->read, nusec_play_limit);
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}
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static HRESULT nusec_ioctl_get_trace_log_data(struct irp *irp)
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{
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uint32_t pos;
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uint32_t count;
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size_t avail;
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HRESULT hr;
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dprintf("Security: %s\n", __func__);
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hr = iobuf_read_le32(&irp->write, &pos);
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if (FAILED(hr)) {
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return hr;
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}
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hr = iobuf_read_le32(&irp->write, &count);
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if (FAILED(hr)) {
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return hr;
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}
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dprintf(" Params: %i %i Buf: %i\n", pos, count, (int) irp->read.nbytes);
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avail = irp->read.nbytes - irp->read.pos;
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if (avail < count * sizeof(struct nusec_log_record)) {
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dprintf("\tError: Insufficient buffer\n");
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return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
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|
}
|
|
|
|
while (count > 0 && pos != nusec_log_head) {
|
|
memcpy( &irp->read.bytes[irp->read.pos],
|
|
&nusec_log[pos % _countof(nusec_log)],
|
|
sizeof(struct nusec_log_record));
|
|
|
|
irp->read.pos += sizeof(struct nusec_log_record);
|
|
pos++;
|
|
count--;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT nusec_ioctl_get_trace_log_state(struct irp *irp)
|
|
{
|
|
HRESULT hr;
|
|
|
|
dprintf("Security: %s H: %i T: %i\n",
|
|
__func__,
|
|
(int) nusec_log_head,
|
|
(int) nusec_log_tail);
|
|
|
|
iobuf_write_le32(&irp->read, nusec_log_head - nusec_log_tail);
|
|
hr = iobuf_write_le32(&irp->read, nusec_log_tail);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT nusec_ioctl_put_nearfull(struct irp *irp)
|
|
{
|
|
dprintf("Security: %s\n", __func__);
|
|
dump_const_iobuf(&irp->write);
|
|
|
|
return iobuf_read_le32(&irp->write, &nusec_nearfull);
|
|
}
|
|
|
|
static HRESULT nusec_ioctl_put_play_limit(struct irp *irp)
|
|
{
|
|
dprintf("Security: %s\n", __func__);
|
|
dump_const_iobuf(&irp->write);
|
|
|
|
return iobuf_read_le32(&irp->write, &nusec_play_limit);
|
|
}
|
|
|
|
static HRESULT nusec_ioctl_put_trace_log_data(struct irp *irp)
|
|
{
|
|
dprintf("Security: %s\n", __func__);
|
|
dump_const_iobuf(&irp->write);
|
|
|
|
if (irp->write.nbytes != sizeof(struct nusec_log_record)) {
|
|
dprintf(" Log record size is incorrect\n");
|
|
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
if (nusec_log_head - nusec_log_tail >= _countof(nusec_log)) {
|
|
dprintf(" Log buffer is full!\n");
|
|
|
|
return HRESULT_FROM_WIN32(ERROR_DISK_FULL);
|
|
}
|
|
|
|
memcpy( &nusec_log[nusec_log_head % _countof(nusec_log)],
|
|
irp->write.bytes,
|
|
sizeof(struct nusec_log_record));
|
|
|
|
nusec_log_head++;
|
|
|
|
dprintf(" H: %i T: %i\n", (int) nusec_log_head, (int) nusec_log_tail);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT nusec_reg_read_game_id(void *bytes, uint32_t *nbytes)
|
|
{
|
|
return reg_hook_read_bin(
|
|
bytes,
|
|
nbytes,
|
|
&nusec_cfg.game_id,
|
|
sizeof(nusec_cfg.game_id));
|
|
}
|
|
|
|
static HRESULT nusec_reg_read_keychip_id(void *bytes, uint32_t *nbytes)
|
|
{
|
|
return reg_hook_read_bin(
|
|
bytes,
|
|
nbytes,
|
|
&nusec_cfg.keychip_id,
|
|
sizeof(nusec_cfg.keychip_id));
|
|
}
|
|
|
|
static HRESULT nusec_reg_read_model_type(void *bytes, uint32_t *nbytes)
|
|
{
|
|
uint32_t u32;
|
|
char c;
|
|
|
|
c = nusec_cfg.platform_id[3];
|
|
|
|
if (c >= '0' && c <= '9') {
|
|
u32 = c - '0';
|
|
} else {
|
|
u32 = 0;
|
|
}
|
|
|
|
return reg_hook_read_u32(bytes, nbytes, u32);
|
|
}
|
|
|
|
static HRESULT nusec_reg_read_platform_id(void *bytes, uint32_t *nbytes)
|
|
{
|
|
/* Fourth byte is a separate registry val (modelType).
|
|
We store it in the same config field for ease of configuration. */
|
|
|
|
return reg_hook_read_bin(
|
|
bytes,
|
|
nbytes,
|
|
&nusec_cfg.platform_id,
|
|
3);
|
|
}
|
|
|
|
static HRESULT nusec_reg_read_region(void *bytes, uint32_t *nbytes)
|
|
{
|
|
return reg_hook_read_u32(bytes, nbytes, nusec_cfg.region);
|
|
}
|
|
|
|
static HRESULT nusec_reg_read_server_ip_ipv4(void *bytes, uint32_t *nbytes)
|
|
{
|
|
uint32_t subnet;
|
|
|
|
subnet = _byteswap_ulong(nusec_cfg.subnet);
|
|
|
|
return reg_hook_read_bin(bytes, nbytes, &subnet, sizeof(subnet));
|
|
}
|
|
|
|
static HRESULT nusec_reg_read_server_ip_ipv6(void *bytes, uint32_t *nbytes)
|
|
{
|
|
uint8_t subnet[16];
|
|
|
|
memset(subnet, 0, sizeof(subnet));
|
|
|
|
return reg_hook_read_bin(bytes, nbytes, subnet, sizeof(subnet));
|
|
}
|
|
|
|
static HRESULT nusec_reg_read_system_flag(void *bytes, uint32_t *nbytes)
|
|
{
|
|
return reg_hook_read_u32(bytes, nbytes, nusec_cfg.system_flag);
|
|
}
|