segatools/platform/nusec.c

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#include <windows.h>
#include <assert.h>
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#include <stdlib.h>
#include <string.h>
#include "hook/iohook.h"
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#include "hooklib/reg.h"
#include "platform/config.h"
#include "platform/nusec.h"
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#include "util/dprintf.h"
#include "util/dump.h"
#include "util/str.h"
enum {
NUSEC_IOCTL_PING = 0x22A114,
NUSEC_IOCTL_ERASE_TRACE_LOG = 0x22E188,
NUSEC_IOCTL_ADD_PLAY_COUNT = 0x22E154,
NUSEC_IOCTL_GET_BILLING_CA_CERT = 0x22E1C4,
NUSEC_IOCTL_GET_BILLING_PUBKEY = 0x22E1C8,
NUSEC_IOCTL_GET_NEARFULL = 0x22E20C,
NUSEC_IOCTL_GET_NVRAM_AVAILABLE = 0x22E19C,
NUSEC_IOCTL_GET_NVRAM_GEOMETRY = 0x22E24C,
NUSEC_IOCTL_GET_PLAY_COUNT = 0x22E150,
NUSEC_IOCTL_GET_PLAY_LIMIT = 0x22E204,
NUSEC_IOCTL_GET_TRACE_LOG_DATA = 0x22E194,
NUSEC_IOCTL_GET_TRACE_LOG_STATE = 0x22E198,
NUSEC_IOCTL_PUT_NEARFULL = 0x22E210,
NUSEC_IOCTL_PUT_PLAY_LIMIT = 0x22E208,
NUSEC_IOCTL_PUT_TRACE_LOG_DATA = 0x22E190,
};
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struct nusec_log_record {
uint8_t unknown[60];
};
static HRESULT nusec_handle_irp(struct irp *irp);
static HRESULT nusec_handle_open(struct irp *irp);
static HRESULT nusec_handle_close(struct irp *irp);
static HRESULT nusec_handle_ioctl(struct irp *irp);
static HRESULT nusec_ioctl_ping(struct irp *irp);
static HRESULT nusec_ioctl_erase_trace_log(struct irp *irp);
static HRESULT nusec_ioctl_add_play_count(struct irp *irp);
static HRESULT nusec_ioctl_get_billing_ca_cert(struct irp *irp);
static HRESULT nusec_ioctl_get_billing_pubkey(struct irp *irp);
static HRESULT nusec_ioctl_get_nearfull(struct irp *irp);
static HRESULT nusec_ioctl_get_nvram_available(struct irp *irp);
static HRESULT nusec_ioctl_get_nvram_geometry(struct irp *irp);
static HRESULT nusec_ioctl_get_play_count(struct irp *irp);
static HRESULT nusec_ioctl_get_play_limit(struct irp *irp);
static HRESULT nusec_ioctl_get_trace_log_data(struct irp *irp);
static HRESULT nusec_ioctl_get_trace_log_state(struct irp *irp);
static HRESULT nusec_ioctl_put_nearfull(struct irp *irp);
static HRESULT nusec_ioctl_put_play_limit(struct irp *irp);
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);
static HRESULT nusec_reg_read_keychip_id(void *bytes, uint32_t *nbytes);
static HRESULT nusec_reg_read_model_type(void *bytes, uint32_t *nbytes);
static HRESULT nusec_reg_read_platform_id(void *bytes, uint32_t *nbytes);
static HRESULT nusec_reg_read_region(void *bytes, uint32_t *nbytes);
static HRESULT nusec_reg_read_server_ip_ipv4(void *bytes, uint32_t *nbytes);
static HRESULT nusec_reg_read_server_ip_ipv6(void *bytes, uint32_t *nbytes);
static HRESULT nusec_reg_read_system_flag(void *bytes, uint32_t *nbytes);
static const struct reg_hook_val nusec_reg_vals[] = {
{
.name = L"gameId",
.read = nusec_reg_read_game_id,
.type = REG_BINARY,
}, {
.name = L"keychipId",
.read = nusec_reg_read_keychip_id,
.type = REG_BINARY,
}, {
.name = L"modelType",
.read = nusec_reg_read_model_type,
.type = REG_DWORD,
}, {
.name = L"platformId",
.read = nusec_reg_read_platform_id,
.type = REG_BINARY,
}, {
.name = L"region",
.read = nusec_reg_read_region,
.type = REG_DWORD,
}, {
.name = L"serverIpIpv4",
.read = nusec_reg_read_server_ip_ipv4,
.type = REG_BINARY,
}, {
.name = L"serverIpIpv6",
.read = nusec_reg_read_server_ip_ipv6,
.type = REG_BINARY,
}, {
.name = L"systemFlag",
.read = nusec_reg_read_system_flag,
.type = REG_DWORD,
}
};
static HANDLE nusec_fd;
static uint32_t nusec_nearfull;
static uint32_t nusec_play_count;
static uint32_t nusec_play_limit;
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static struct nusec_log_record nusec_log[7154];
static size_t nusec_log_head;
static size_t nusec_log_tail;
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static struct nusec_config nusec_cfg;
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HRESULT nusec_hook_init(
const struct nusec_config *cfg,
const char *game_id,
const char *platform_id)
{
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HRESULT hr;
assert(cfg != NULL);
assert(game_id != NULL && strlen(game_id) == sizeof(cfg->game_id));
assert(platform_id != NULL && strlen(platform_id) == sizeof(cfg->platform_id));
if (!cfg->enable) {
return S_FALSE;
}
memcpy(&nusec_cfg, cfg, sizeof(*cfg));
if (nusec_cfg.game_id[0] == '\0') {
memcpy(nusec_cfg.game_id, game_id, sizeof(nusec_cfg.game_id));
}
if (nusec_cfg.platform_id[0] == '\0') {
memcpy(nusec_cfg.platform_id, platform_id, sizeof(nusec_cfg.platform_id));
}
nusec_nearfull = 0x00010200;
nusec_play_count = 0;
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nusec_play_limit = 1024;
nusec_fd = iohook_open_dummy_fd();
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hr = iohook_push_handler(nusec_handle_irp);
if (FAILED(hr)) {
return hr;
}
hr = reg_hook_push_key(
HKEY_LOCAL_MACHINE,
L"SYSTEM\\SEGA\\SystemProperty\\keychip",
nusec_reg_vals,
_countof(nusec_reg_vals));
if (FAILED(hr)) {
return hr;
}
return S_OK;
}
static HRESULT nusec_handle_irp(struct irp *irp)
{
assert(irp != NULL);
if (irp->op != IRP_OP_OPEN && irp->fd != nusec_fd) {
return iohook_invoke_next(irp);
}
switch (irp->op) {
case IRP_OP_OPEN: return nusec_handle_open(irp);
case IRP_OP_CLOSE: return nusec_handle_close(irp);
case IRP_OP_IOCTL: return nusec_handle_ioctl(irp);
default: return HRESULT_FROM_WIN32(ERROR_INVALID_FUNCTION);
}
}
static HRESULT nusec_handle_open(struct irp *irp)
{
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if (!wstr_ieq(irp->open_filename, L"\\??\\FddDriver")) {
return iohook_invoke_next(irp);
}
dprintf("Security: Opened handle\n");
irp->fd = nusec_fd;
return S_OK;
}
static HRESULT nusec_handle_close(struct irp *irp)
{
dprintf("Security: Closed handle\n");
return S_OK;
}
static HRESULT nusec_handle_ioctl(struct irp *irp)
{
switch (irp->ioctl) {
case NUSEC_IOCTL_PING:
return nusec_ioctl_ping(irp);
case NUSEC_IOCTL_ERASE_TRACE_LOG:
return nusec_ioctl_erase_trace_log(irp);
case NUSEC_IOCTL_ADD_PLAY_COUNT:
return nusec_ioctl_add_play_count(irp);
case NUSEC_IOCTL_GET_BILLING_CA_CERT:
return nusec_ioctl_get_billing_ca_cert(irp);
case NUSEC_IOCTL_GET_BILLING_PUBKEY:
return nusec_ioctl_get_billing_pubkey(irp);
case NUSEC_IOCTL_GET_NEARFULL:
return nusec_ioctl_get_nearfull(irp);
case NUSEC_IOCTL_GET_NVRAM_AVAILABLE:
return nusec_ioctl_get_nvram_available(irp);
case NUSEC_IOCTL_GET_NVRAM_GEOMETRY:
return nusec_ioctl_get_nvram_geometry(irp);
case NUSEC_IOCTL_GET_PLAY_COUNT:
return nusec_ioctl_get_play_count(irp);
case NUSEC_IOCTL_GET_PLAY_LIMIT:
return nusec_ioctl_get_play_limit(irp);
case NUSEC_IOCTL_GET_TRACE_LOG_DATA:
return nusec_ioctl_get_trace_log_data(irp);
case NUSEC_IOCTL_GET_TRACE_LOG_STATE:
return nusec_ioctl_get_trace_log_state(irp);
case NUSEC_IOCTL_PUT_NEARFULL:
return nusec_ioctl_put_nearfull(irp);
case NUSEC_IOCTL_PUT_PLAY_LIMIT:
return nusec_ioctl_put_play_limit(irp);
case NUSEC_IOCTL_PUT_TRACE_LOG_DATA:
return nusec_ioctl_put_trace_log_data(irp);
default:
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dprintf("Security: Unknown ioctl %#08x, write %i read %i\n",
irp->ioctl,
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(int) irp->write.nbytes,
(int) irp->read.nbytes);
return HRESULT_FROM_WIN32(ERROR_INVALID_FUNCTION);
}
}
static HRESULT nusec_ioctl_ping(struct irp *irp)
{
return S_OK;
}
static HRESULT nusec_ioctl_erase_trace_log(struct irp *irp)
{
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uint32_t count;
size_t avail;
HRESULT hr;
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hr = iobuf_read_le32(&irp->write, &count);
if (FAILED(hr)) {
return hr;
}
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dprintf("Security: %s(count=%i)\n", __func__, count);
avail = nusec_log_head - nusec_log_tail;
if (count < avail) {
count = avail;
}
nusec_log_tail += count;
return S_OK;
}
static HRESULT nusec_ioctl_add_play_count(struct irp *irp)
{
uint32_t delta;
HRESULT hr;
hr = iobuf_read_le32(&irp->write, &delta);
if (FAILED(hr)) {
return hr;
}
dprintf("Security: Add play count: %i + %i = %i\n",
nusec_play_count,
delta,
nusec_play_count + delta);
nusec_play_count += delta;
return iobuf_write_le32(&irp->read, nusec_play_count);
}
static HRESULT nusec_ioctl_get_billing_ca_cert(struct irp *irp)
{
HANDLE fd;
HRESULT hr;
dprintf("Security: %s\n", __func__);
fd = CreateFileW(
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nusec_cfg.billing_ca,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (fd == INVALID_HANDLE_VALUE) {
hr = HRESULT_FROM_WIN32(GetLastError());
dprintf("Error opening CA cert file: %x\n", (int) hr);
return hr;
}
/* Transform this ioctl into a read from that file and pass the IRP on */
irp->op = IRP_OP_READ;
irp->fd = fd;
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dprintf(">>> %p:%i/%i\n",
irp->read.bytes,
(int) irp->read.pos,
(int) irp->read.nbytes);
hr = iohook_invoke_next(irp);
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dprintf("<<< %p:%i/%i\n",
irp->read.bytes,
(int) irp->read.pos,
(int) irp->read.nbytes);
if (FAILED(hr)) {
dprintf("ReadFile transformation failed: %x\n", (int) hr);
}
CloseHandle(fd);
return hr;
}
static HRESULT nusec_ioctl_get_billing_pubkey(struct irp *irp)
{
HANDLE fd;
HRESULT hr;
dprintf("Security: %s\n", __func__);
fd = CreateFileW(
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nusec_cfg.billing_pub,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (fd == INVALID_HANDLE_VALUE) {
hr = HRESULT_FROM_WIN32(GetLastError());
dprintf("Error opening billing pubkey file: %x\n", (int) hr);
return hr;
}
irp->op = IRP_OP_READ;
irp->fd = fd;
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dprintf(">>> %p:%i/%i\n",
irp->read.bytes,
(int) irp->read.pos,
(int) irp->read.nbytes);
hr = iohook_invoke_next(irp);
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dprintf("<<< %p:%i/%i\n",
irp->read.bytes,
(int) irp->read.pos,
(int) irp->read.nbytes);
if (FAILED(hr)) {
dprintf("ReadFile transformation failed: %x\n", (int) hr);
}
CloseHandle(fd);
return hr;
}
static HRESULT nusec_ioctl_get_nearfull(struct irp *irp)
{
dprintf("Security: %s\n", __func__);
return iobuf_write_le32(&irp->read, nusec_nearfull);
}
static HRESULT nusec_ioctl_get_nvram_available(struct irp *irp)
{
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size_t used;
size_t avail;
used = nusec_log_head - nusec_log_tail;
avail = _countof(nusec_log) - used;
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dprintf("Security: %s: used=%i avail=%i\n", __func__,
(int) used,
(int) avail);
return iobuf_write_le32(&irp->read, avail);
}
static HRESULT nusec_ioctl_get_nvram_geometry(struct irp *irp)
{
HRESULT hr;
dprintf("Security: %s\n", __func__);
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iobuf_write_le32(&irp->read, 10); /* Num NVRAMs */
hr = iobuf_write_le32(&irp->read, 4096); /* Num addresses (per NVRAM?) */
return hr;
}
static HRESULT nusec_ioctl_get_play_count(struct irp *irp)
{
dprintf("Security: %s\n", __func__);
return iobuf_write_le32(&irp->read, nusec_play_count);
}
static HRESULT nusec_ioctl_get_play_limit(struct irp *irp)
{
dprintf("Security: %s\n", __func__);
return iobuf_write_le32(&irp->read, nusec_play_limit);
}
static HRESULT nusec_ioctl_get_trace_log_data(struct irp *irp)
{
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uint32_t pos;
uint32_t count;
size_t avail;
HRESULT hr;
dprintf("Security: %s\n", __func__);
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hr = iobuf_read_le32(&irp->write, &pos);
if (FAILED(hr)) {
return hr;
}
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hr = iobuf_read_le32(&irp->write, &count);
if (FAILED(hr)) {
return hr;
}
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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;
if (avail < count * sizeof(struct nusec_log_record)) {
dprintf("\tError: Insufficient buffer\n");
return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
}
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--;
}
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return S_OK;
}
static HRESULT nusec_ioctl_get_trace_log_state(struct irp *irp)
{
HRESULT hr;
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dprintf("Security: %s H: %i T: %i\n",
__func__,
(int) nusec_log_head,
(int) nusec_log_tail);
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iobuf_write_le32(&irp->read, nusec_log_head - nusec_log_tail);
hr = iobuf_write_le32(&irp->read, nusec_log_tail);
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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);
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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;
}
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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);
}