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ctrl.c
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ctrl.c
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// SPDX-License-Identifier: LicenseRef-AGPL-3.0-only-OpenSSL
#include <chiaki/ctrl.h>
#include <chiaki/session.h>
#include <chiaki/base64.h>
#include <chiaki/http.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <assert.h>
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <netinet/in.h>
#endif
#define SESSION_OSTYPE "Win10.0.0"
#define SESSION_CTRL_PORT 9295
#define CTRL_EXPECT_TIMEOUT 5000
typedef enum ctrl_message_type_t {
CTRL_MESSAGE_TYPE_SESSION_ID = 0x33,
CTRL_MESSAGE_TYPE_HEARTBEAT_REQ = 0xfe,
CTRL_MESSAGE_TYPE_HEARTBEAT_REP = 0x1fe,
CTRL_MESSAGE_TYPE_LOGIN_PIN_REQ = 0x4,
CTRL_MESSAGE_TYPE_LOGIN_PIN_REP = 0x8004,
CTRL_MESSAGE_TYPE_LOGIN = 0x5,
CTRL_MESSAGE_TYPE_GOTO_BED = 0x50,
CTRL_MESSAGE_TYPE_KEYBOARD_ENABLE = 0xd,
CTRL_MESSAGE_TYPE_KEYBOARD_ENABLE_TOGGLE = 0x20,
CTRL_MESSAGE_TYPE_KEYBOARD_OPEN = 0x21,
CTRL_MESSAGE_TYPE_KEYBOARD_CLOSE_REMOTE = 0x22,
CTRL_MESSAGE_TYPE_KEYBOARD_TEXT_CHANGE_REQ = 0x23,
CTRL_MESSAGE_TYPE_KEYBOARD_TEXT_CHANGE_RES = 0x24,
CTRL_MESSAGE_TYPE_KEYBOARD_CLOSE_REQ = 0x25,
CTRL_MESSAGE_TYPE_ENABLE_DUALSENSE_FEATURES = 0x13,
CTRL_MESSAGE_TYPE_GO_HOME = 0x14,
CTRL_MESSAGE_TYPE_DISPLAYA = 0x1,
CTRL_MESSAGE_TYPE_DISPLAYB = 0x16,
CTRL_MESSAGE_TYPE_MIC_CONNECT = 0x30,
CTRL_MESSAGE_TYPE_MIC_TOGGLE = 0x36,
CTRL_MESSAGE_TYPE_DISPLAY_DEVICES = 0x910,
CTRL_MESSAGE_TYPE_SWITCH_TO_STREAM_CONNECTION = 0x34
} CtrlMessageType;
typedef enum ctrl_login_state_t {
CTRL_LOGIN_STATE_SUCCESS = 0x0,
CTRL_LOGIN_STATE_PIN_INCORRECT = 0x1
} CtrlLoginState;
struct chiaki_ctrl_message_queue_t
{
ChiakiCtrlMessageQueue *next;
uint16_t type;
uint8_t *payload;
size_t payload_size;
};
typedef struct ctrl_keyboard_open_t
{
uint8_t unk[0x1C];
uint32_t text_length;
} CtrlKeyboardOpenMessage;
typedef struct ctrl_keyboard_text_request_t
{
uint32_t counter;
uint32_t text_length1;
uint8_t unk1[0x8];
uint8_t unk2[0x10];
uint32_t text_length2;
} CtrlKeyboardTextRequestMessage;
typedef struct ctrl_keyboard_text_response_t
{
uint32_t counter;
uint32_t unk;
uint32_t text_length1;
uint32_t unk2;
uint8_t unk3[0x10];
uint32_t unk4;
uint32_t text_length2;
} CtrlKeyboardTextResponseMessage;
/**
* @return The offset of the mac of size CHIAKI_GKCRYPT_GMAC_SIZE inside a packet of type or -1 if unknown.
*/
int rudp_packet_type_data_offset(uint8_t subtype)
{
switch(subtype)
{
case 0x12:
return 8;
case 0x26:
return 6;
default:
return 2;
}
}
void chiaki_session_send_event(ChiakiSession *session, ChiakiEvent *event);
static void *ctrl_thread_func(void *user);
static ChiakiErrorCode ctrl_message_send(ChiakiCtrl *ctrl, uint16_t type, const uint8_t *payload, size_t payload_size);
static void ctrl_enable_features(ChiakiCtrl *ctrl);
static void ctrl_message_received_session_id(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size);
static void ctrl_message_received_heartbeat_req(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size);
static void ctrl_message_received_login_pin_req(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size);
static void ctrl_message_received_login(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size);
static void ctrl_message_received_displaya(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size);
static void ctrl_message_received_displayb(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size);
static void ctrl_message_received_keyboard_open(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size);
static void ctrl_message_received_keyboard_close(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size);
static void ctrl_message_received_keyboard_text_change(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size);
static void ctrl_message_received_switch_to_stream_connection(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size);
CHIAKI_EXPORT ChiakiErrorCode chiaki_ctrl_init(ChiakiCtrl *ctrl, ChiakiSession *session)
{
ctrl->session = session;
ctrl->should_stop = false;
ctrl->login_pin_entered = false;
ctrl->login_pin_requested = false;
ctrl->login_pin = NULL;
ctrl->login_pin_size = 0;
ctrl->cant_displaya = false;
ctrl->cant_displayb = false;
ctrl->msg_queue = NULL;
ctrl->keyboard_text_counter = 0;
ctrl->sock = CHIAKI_INVALID_SOCKET;
ChiakiErrorCode err = chiaki_stop_pipe_init(&ctrl->notif_pipe);
if(err != CHIAKI_ERR_SUCCESS)
return err;
err = chiaki_mutex_init(&ctrl->notif_mutex, false);
if(err != CHIAKI_ERR_SUCCESS)
goto error_notif_pipe;
return err;
chiaki_mutex_fini(&ctrl->notif_mutex);
error_notif_pipe:
chiaki_stop_pipe_fini(&ctrl->notif_pipe);
return err;
}
CHIAKI_EXPORT ChiakiErrorCode chiaki_ctrl_start(ChiakiCtrl *ctrl)
{
ChiakiErrorCode err = chiaki_thread_create(&ctrl->thread, ctrl_thread_func, ctrl);
if(err != CHIAKI_ERR_SUCCESS)
return err;
chiaki_thread_set_name(&ctrl->thread, "Chiaki Ctrl");
return err;
}
CHIAKI_EXPORT void chiaki_ctrl_stop(ChiakiCtrl *ctrl)
{
ChiakiErrorCode err = chiaki_mutex_lock(&ctrl->notif_mutex);
assert(err == CHIAKI_ERR_SUCCESS);
ctrl->should_stop = true;
chiaki_stop_pipe_stop(&ctrl->notif_pipe);
chiaki_mutex_unlock(&ctrl->notif_mutex);
}
CHIAKI_EXPORT ChiakiErrorCode chiaki_ctrl_join(ChiakiCtrl *ctrl)
{
return chiaki_thread_join(&ctrl->thread, NULL);
}
CHIAKI_EXPORT void chiaki_ctrl_fini(ChiakiCtrl *ctrl)
{
chiaki_stop_pipe_fini(&ctrl->notif_pipe);
chiaki_mutex_fini(&ctrl->notif_mutex);
free(ctrl->login_pin);
}
static void ctrl_message_queue_free(ChiakiCtrlMessageQueue *queue)
{
free(queue->payload);
free(queue);
}
CHIAKI_EXPORT ChiakiErrorCode chiaki_ctrl_send_message(ChiakiCtrl *ctrl, uint16_t type, const uint8_t *payload, size_t payload_size)
{
ChiakiCtrlMessageQueue *queue = CHIAKI_NEW(ChiakiCtrlMessageQueue);
if(!queue)
return CHIAKI_ERR_MEMORY;
queue->next = NULL;
queue->type = type;
if(payload)
{
queue->payload = malloc(payload_size);
if(!queue->payload)
{
free(queue);
return CHIAKI_ERR_MEMORY;
}
memcpy(queue->payload, payload, payload_size);
queue->payload_size = payload_size;
}
else
{
queue->payload = NULL;
queue->payload_size = 0;
}
ChiakiErrorCode err = chiaki_mutex_lock(&ctrl->notif_mutex);
assert(err == CHIAKI_ERR_SUCCESS);
if(!ctrl->msg_queue)
ctrl->msg_queue = queue;
else
{
ChiakiCtrlMessageQueue *c = ctrl->msg_queue;
while(c->next)
c = c->next;
c->next = queue;
}
chiaki_mutex_unlock(&ctrl->notif_mutex);
chiaki_stop_pipe_stop(&ctrl->notif_pipe);
return CHIAKI_ERR_SUCCESS;
}
CHIAKI_EXPORT void chiaki_ctrl_set_login_pin(ChiakiCtrl *ctrl, const uint8_t *pin, size_t pin_size)
{
uint8_t *buf = malloc(pin_size);
if(!buf)
return;
memcpy(buf, pin, pin_size);
ChiakiErrorCode err = chiaki_mutex_lock(&ctrl->notif_mutex);
assert(err == CHIAKI_ERR_SUCCESS);
if(ctrl->login_pin_entered)
free(ctrl->login_pin);
ctrl->login_pin_entered = true;
ctrl->login_pin = buf;
ctrl->login_pin_size = pin_size;
chiaki_stop_pipe_stop(&ctrl->notif_pipe);
chiaki_mutex_unlock(&ctrl->notif_mutex);
}
CHIAKI_EXPORT ChiakiErrorCode chiaki_ctrl_goto_bed(ChiakiCtrl *ctrl)
{
return chiaki_ctrl_send_message(ctrl, CTRL_MESSAGE_TYPE_GOTO_BED, NULL, 0);
}
CHIAKI_EXPORT ChiakiErrorCode chiaki_ctrl_keyboard_set_text(ChiakiCtrl *ctrl, const char *text)
{
const uint32_t length = strlen(text);
const size_t payload_size = sizeof(CtrlKeyboardTextRequestMessage) + length;
uint8_t *payload = malloc(payload_size);
if(!payload)
return CHIAKI_ERR_MEMORY;
memset(payload, 0, payload_size);
memcpy(payload + sizeof(CtrlKeyboardTextRequestMessage), text, length);
CtrlKeyboardTextRequestMessage *msg = (CtrlKeyboardTextRequestMessage *)payload;
msg->counter = ntohl(++ctrl->keyboard_text_counter);
msg->text_length1 = ntohl(length);
msg->text_length2 = ntohl(length);
ChiakiErrorCode err;
err = chiaki_ctrl_send_message(ctrl, CTRL_MESSAGE_TYPE_KEYBOARD_TEXT_CHANGE_REQ, payload, payload_size);
free(payload);
return err;
}
CHIAKI_EXPORT ChiakiErrorCode chiaki_ctrl_keyboard_accept(ChiakiCtrl *ctrl)
{
const uint8_t accept[4] = { 0x00, 0x00, 0x00, 0x00 };
return chiaki_ctrl_send_message(ctrl, CTRL_MESSAGE_TYPE_KEYBOARD_CLOSE_REQ, accept, 4);
}
CHIAKI_EXPORT ChiakiErrorCode chiaki_ctrl_keyboard_reject(ChiakiCtrl *ctrl)
{
const uint8_t reject[4] = { 0x00, 0x00, 0x00, 0x01 };
return chiaki_ctrl_send_message(ctrl, CTRL_MESSAGE_TYPE_KEYBOARD_CLOSE_REQ, reject, 4);
}
static ChiakiErrorCode ctrl_connect(ChiakiCtrl *ctrl);
static void ctrl_message_received(ChiakiCtrl *ctrl, uint16_t msg_type, uint8_t *payload, size_t payload_size);
static void ctrl_failed(ChiakiCtrl *ctrl, ChiakiQuitReason reason)
{
ChiakiErrorCode mutex_err = chiaki_mutex_lock(&ctrl->session->state_mutex);
assert(mutex_err == CHIAKI_ERR_SUCCESS);
ctrl->session->quit_reason = reason;
ctrl->session->ctrl_failed = true;
chiaki_mutex_unlock(&ctrl->session->state_mutex);
chiaki_cond_signal(&ctrl->session->state_cond);
}
static void *ctrl_thread_func(void *user)
{
ChiakiCtrl *ctrl = user;
ChiakiErrorCode err = chiaki_mutex_lock(&ctrl->notif_mutex);
assert(err == CHIAKI_ERR_SUCCESS);
err = ctrl_connect(ctrl);
if(err != CHIAKI_ERR_SUCCESS)
{
ctrl_failed(ctrl, CHIAKI_QUIT_REASON_CTRL_CONNECT_FAILED);
chiaki_mutex_unlock(&ctrl->notif_mutex);
return NULL;
}
CHIAKI_LOGI(ctrl->session->log, "Ctrl connected");
while(true)
{
bool overflow = false;
while(ctrl->recv_buf_size >= 8)
{
uint32_t payload_size = *((uint32_t *)ctrl->recv_buf);
payload_size = ntohl(payload_size);
if(ctrl->recv_buf_size < 8 + payload_size)
{
if(8 + payload_size > sizeof(ctrl->recv_buf))
{
CHIAKI_LOGE(ctrl->session->log, "Ctrl buffer overflow!");
overflow = true;
}
break;
}
uint16_t msg_type = *((chiaki_unaligned_uint16_t *)(ctrl->recv_buf + 4));
msg_type = ntohs(msg_type);
ctrl_message_received(ctrl, msg_type, ctrl->recv_buf + 8, (size_t)payload_size);
ctrl->recv_buf_size -= 8 + payload_size;
if(ctrl->recv_buf_size > 0)
memmove(ctrl->recv_buf, ctrl->recv_buf + 8 + payload_size, ctrl->recv_buf_size);
}
if(overflow)
{
ctrl_failed(ctrl, CHIAKI_QUIT_REASON_CTRL_UNKNOWN);
break;
}
chiaki_mutex_unlock(&ctrl->notif_mutex);
if(ctrl->session->rudp)
err = chiaki_rudp_stop_pipe_select_single(ctrl->session->rudp, &ctrl->notif_pipe, UINT64_MAX);
else
err = chiaki_stop_pipe_select_single(&ctrl->notif_pipe, ctrl->sock, false, UINT64_MAX);
chiaki_mutex_lock(&ctrl->notif_mutex);
bool msg_queue_updated = false;
if(err == CHIAKI_ERR_CANCELED)
{
while(ctrl->msg_queue)
{
ctrl_message_send(ctrl, ctrl->msg_queue->type, ctrl->msg_queue->payload, ctrl->msg_queue->payload_size);
ChiakiCtrlMessageQueue *next = ctrl->msg_queue->next;
ctrl_message_queue_free(ctrl->msg_queue);
ctrl->msg_queue = next;
msg_queue_updated = true;
}
if(ctrl->login_pin_entered)
{
CHIAKI_LOGI(ctrl->session->log, "Ctrl received entered Login PIN, sending to console");
ctrl_message_send(ctrl, CTRL_MESSAGE_TYPE_LOGIN_PIN_REP, ctrl->login_pin, ctrl->login_pin_size);
ctrl->login_pin_entered = false;
free(ctrl->login_pin);
ctrl->login_pin = NULL;
ctrl->login_pin_size = 0;
chiaki_stop_pipe_reset(&ctrl->notif_pipe);
continue;
}
if(ctrl->should_stop)
{
CHIAKI_LOGI(ctrl->session->log, "Ctrl requested to stop");
break;
}
if(msg_queue_updated)
chiaki_stop_pipe_reset(&ctrl->notif_pipe);
continue;
}
else if(err != CHIAKI_ERR_SUCCESS)
{
CHIAKI_LOGE(ctrl->session->log, "Ctrl select error: %s", chiaki_error_string(err));
break;
}
int received = 0;
if(ctrl->session->rudp)
{
RudpMessage message;
uint16_t remote_counter = 0;
uint16_t ack_counter = 0;
err = chiaki_rudp_recv_only(ctrl->session->rudp, sizeof(ctrl->rudp_recv_buf) - ctrl->recv_buf_size, &message);
if(err != CHIAKI_ERR_SUCCESS)
{
CHIAKI_LOGE(ctrl->session->log, "Failed to receive Rudp ctrl packet");
ctrl_failed(ctrl, CHIAKI_QUIT_REASON_CTRL_UNKNOWN);
break;
}
if(message.data_size < 4)
{
CHIAKI_LOGE(ctrl->session->log, "Rudp ctrl message response too small");
chiaki_rudp_print_message(ctrl->session->rudp, &message);
ctrl_failed(ctrl, CHIAKI_QUIT_REASON_CTRL_UNKNOWN);
break;
}
remote_counter = message.remote_counter;
while(true)
{
switch(message.subtype) // wrong but works ...
{
case 0x02:
case 0x12:
case 0x26:
case 0x36:
ack_counter = ntohs(*((chiaki_unaligned_uint16_t *)(message.data + 2)));
chiaki_rudp_ack_packet(ctrl->session->rudp, ack_counter);
chiaki_rudp_send_ack_message(ctrl->session->rudp, remote_counter);
int offset = rudp_packet_type_data_offset(message.subtype);
// ctrl message header is 8 bytes
if((message.data_size - offset) < 8)
break;
else
{
// check if message is ctrl message by making sure the payload size (size of message - 8 byte header is correct)
uint32_t ctrl_payload_size = ntohl(*(uint32_t*)(message.data + offset));
if((message.data_size - offset - 8) == ctrl_payload_size)
{
memcpy(ctrl->recv_buf + ctrl->recv_buf_size, message.data + offset, message.data_size - offset);
ctrl->recv_buf_size += message.data_size - offset;
}
}
break;
case 0x24:
ack_counter = ntohs(*((chiaki_unaligned_uint16_t *)(message.data + 2)));
chiaki_rudp_ack_packet(ctrl->session->rudp, ack_counter);
break;
case 0xC0:
CHIAKI_LOGI(ctrl->session->log, "Received rudp finish message, stopping ctrl.");
ctrl_failed(ctrl, CHIAKI_QUIT_REASON_CTRL_CONNECT_FAILED);
//chiaki_ctrl_stop(ctrl);
break;
default:
CHIAKI_LOGI(ctrl->session->log, "Received message of unknown type: 0x%04x", message.type);
// chiaki_rudp_send_ack_message(ctrl->session->rudp, remote_counter);
break;
}
if(message.subMessage)
{
if(message.data)
{
free(message.data);
message.data = NULL;
}
RudpMessage *tmp = message.subMessage;
memcpy(&message, message.subMessage, sizeof(RudpMessage));
free(tmp);
}
else
{
chiaki_rudp_message_pointers_free(&message);
break;
}
}
}
else
{
received = recv(ctrl->sock, (CHIAKI_SOCKET_BUF_TYPE)ctrl->recv_buf + ctrl->recv_buf_size, sizeof(ctrl->recv_buf) - ctrl->recv_buf_size, 0);
if(received <= 0)
{
if(received < 0)
{
CHIAKI_LOGE(ctrl->session->log, "Ctrl failed to recv: " CHIAKI_SOCKET_ERROR_FMT, CHIAKI_SOCKET_ERROR_VALUE);
ctrl_failed(ctrl, CHIAKI_QUIT_REASON_CTRL_UNKNOWN);
}
break;
}
CHIAKI_LOGI(ctrl->session->log, "CTRL RECEIVED");
chiaki_log_hexdump(ctrl->session->log, CHIAKI_LOG_INFO, ctrl->recv_buf + ctrl->recv_buf_size, received);
}
ctrl->recv_buf_size += received;
}
chiaki_mutex_unlock(&ctrl->notif_mutex);
if(!ctrl->session->rudp)
CHIAKI_SOCKET_CLOSE(ctrl->sock);
return NULL;
}
static ChiakiErrorCode ctrl_message_send(ChiakiCtrl *ctrl, uint16_t type, const uint8_t *payload, size_t payload_size)
{
assert(payload_size == 0 || payload);
CHIAKI_LOGV(ctrl->session->log, "Ctrl sending message type %x, size %llx\n",
(unsigned int)type, (unsigned long long)payload_size);
if(payload)
chiaki_log_hexdump(ctrl->session->log, CHIAKI_LOG_VERBOSE, payload, payload_size);
uint8_t *enc = NULL;
if(payload && payload_size)
{
ChiakiErrorCode err;
enc = malloc(payload_size);
if(!enc)
return CHIAKI_ERR_MEMORY;
if(ctrl->session->rudp && type == CTRL_MESSAGE_TYPE_LOGIN_PIN_REP)
{
uint16_t local_counter = ctrl->crypt_counter_local++;
err = chiaki_rpcrypt_encrypt(&ctrl->session->rpcrypt, local_counter - 1, payload, enc, payload_size);
}
else
err = chiaki_rpcrypt_encrypt(&ctrl->session->rpcrypt, ctrl->crypt_counter_local++, payload, enc, payload_size);
if(err != CHIAKI_ERR_SUCCESS)
{
CHIAKI_LOGE(ctrl->session->log, "Ctrl failed to encrypt payload");
free(enc);
return err;
}
}
#ifdef __GNUC__
__attribute__((aligned(__alignof__(uint32_t))))
#endif
uint8_t header[8];
*((uint32_t *)header) = htonl((uint32_t)payload_size);
*((uint16_t *)(header + 4)) = htons(type);
*((uint16_t *)(header + 6)) = 0;
if(ctrl->session->rudp)
{
uint8_t buf_size = 8 + payload_size;
uint8_t buf[buf_size];
memcpy(buf, header, 8);
memcpy(buf + 8, enc, payload_size);
ChiakiErrorCode err;
err = chiaki_rudp_send_ctrl_message(ctrl->session->rudp, buf, buf_size);
if(err != CHIAKI_ERR_SUCCESS)
{
CHIAKI_LOGE(ctrl->session->log, "Failed to send Ctrl Message");
return err;
}
}
else
{
int sent = send(ctrl->sock, (CHIAKI_SOCKET_BUF_TYPE)header, sizeof(header), 0);
if(sent < 0)
{
CHIAKI_LOGE(ctrl->session->log, "Failed to send Ctrl Message Header");
return CHIAKI_ERR_NETWORK;
}
if(enc)
{
sent = send(ctrl->sock, (CHIAKI_SOCKET_BUF_TYPE)enc, payload_size, 0);
free(enc);
if(sent < 0)
{
CHIAKI_LOGE(ctrl->session->log, "Failed to send Ctrl Message Payload");
return CHIAKI_ERR_NETWORK;
}
}
}
return CHIAKI_ERR_SUCCESS;
}
CHIAKI_EXPORT ChiakiErrorCode ctrl_message_go_home(ChiakiCtrl *ctrl)
{
CHIAKI_LOGV(ctrl->session->log, "Ctrl sending go to home screen message");
uint8_t home[0x10] = {0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
ChiakiErrorCode err = ctrl_message_send(ctrl, CTRL_MESSAGE_TYPE_GO_HOME, home, 0x10);
if(err != CHIAKI_ERR_SUCCESS)
{
CHIAKI_LOGE(ctrl->session->log, "Failed to go to home screen");
return err;
}
return CHIAKI_ERR_SUCCESS;
}
CHIAKI_EXPORT ChiakiErrorCode ctrl_message_connect_microphone(ChiakiCtrl *ctrl)
{
CHIAKI_LOGV(ctrl->session->log, "Ctrl sending microphone connect message");
uint8_t connect[2] = {0x00, 0x00};
ChiakiErrorCode err = ctrl_message_send(ctrl, CTRL_MESSAGE_TYPE_MIC_CONNECT, connect, 0x2);
if(err != CHIAKI_ERR_SUCCESS)
{
CHIAKI_LOGE(ctrl->session->log, "Failed to connect mic");
return err;
}
return CHIAKI_ERR_SUCCESS;
}
CHIAKI_EXPORT ChiakiErrorCode ctrl_message_toggle_microphone(ChiakiCtrl *ctrl, bool muted)
{
CHIAKI_LOGV(ctrl->session->log, "Ctrl sending toggle microphone mute message: %s", muted ? "unmute": "mute");
uint8_t toggle[0x4] = {0, 1, 1, 89};
if(muted)
toggle[2] = 0;
ChiakiErrorCode err = ctrl_message_send(ctrl, CTRL_MESSAGE_TYPE_MIC_TOGGLE, toggle, 0x4);
if(err != CHIAKI_ERR_SUCCESS)
{
CHIAKI_LOGE(ctrl->session->log, "Failed to toggle mic mute");
return err;
}
return CHIAKI_ERR_SUCCESS;
}
static void ctrl_message_received(ChiakiCtrl *ctrl, uint16_t msg_type, uint8_t *payload, size_t payload_size)
{
if(payload_size > 0)
{
ChiakiErrorCode err = chiaki_rpcrypt_decrypt(&ctrl->session->rpcrypt, ctrl->crypt_counter_remote++, payload, payload, payload_size);
if(err != CHIAKI_ERR_SUCCESS)
{
CHIAKI_LOGE(ctrl->session->log, "Failed to decrypt payload for Ctrl Message type %#x", msg_type);
return;
}
}
CHIAKI_LOGV(ctrl->session->log, "Ctrl received message of type %#x, size %#llx", (unsigned int)msg_type, (unsigned long long)payload_size);
if(payload_size > 0)
chiaki_log_hexdump(ctrl->session->log, CHIAKI_LOG_VERBOSE, payload, payload_size);
switch(msg_type)
{
case CTRL_MESSAGE_TYPE_SESSION_ID:
ctrl_message_received_session_id(ctrl, payload, payload_size);
ctrl_enable_features(ctrl);
break;
case CTRL_MESSAGE_TYPE_HEARTBEAT_REQ:
ctrl_message_received_heartbeat_req(ctrl, payload, payload_size);
break;
case CTRL_MESSAGE_TYPE_LOGIN_PIN_REQ:
ctrl_message_received_login_pin_req(ctrl, payload, payload_size);
break;
case CTRL_MESSAGE_TYPE_LOGIN:
ctrl_message_received_login(ctrl, payload, payload_size);
break;
case CTRL_MESSAGE_TYPE_KEYBOARD_OPEN:
ctrl_message_received_keyboard_open(ctrl, payload, payload_size);
break;
case CTRL_MESSAGE_TYPE_KEYBOARD_TEXT_CHANGE_RES:
ctrl_message_received_keyboard_text_change(ctrl, payload, payload_size);
break;
case CTRL_MESSAGE_TYPE_KEYBOARD_CLOSE_REMOTE:
ctrl_message_received_keyboard_close(ctrl, payload, payload_size);
break;
case CTRL_MESSAGE_TYPE_DISPLAYA:
ctrl_message_received_displaya(ctrl, payload, payload_size);
break;
case CTRL_MESSAGE_TYPE_DISPLAYB:
ctrl_message_received_displayb(ctrl, payload, payload_size);
break;
case CTRL_MESSAGE_TYPE_SWITCH_TO_STREAM_CONNECTION:
ctrl_message_received_switch_to_stream_connection(ctrl, payload, payload_size);
break;
default:
// CHIAKI_LOGW(ctrl->session->log, "Received Ctrl Message with unknown type %#x", msg_type);
chiaki_log_hexdump(ctrl->session->log, CHIAKI_LOG_WARNING, payload, payload_size);
break;
}
}
static void ctrl_enable_features(ChiakiCtrl *ctrl)
{
if(ctrl->session->connect_info.enable_dualsense)
{
CHIAKI_LOGI(ctrl->session->log, "Enabling DualSense features");
const uint8_t enable[3] = { 0x00, 0x40, 0x00 };
ctrl_message_send(ctrl, CTRL_MESSAGE_TYPE_ENABLE_DUALSENSE_FEATURES, enable, 3);
const uint8_t connect[0x10] = { 0xa0, 0xab, 0x51, 0xbd, 0xd1, 0x7e, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00 };
ctrl_message_send(ctrl, 0x11, connect, 0x10);
}
if(ctrl->session->connect_info.enable_keyboard)
{
CHIAKI_LOGI(ctrl->session->log, "Enabling Keyboard");
// TODO: Signature ?!
uint8_t enable = 1;
uint8_t signature[0x10] = { 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x05, 0xAE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
ctrl_message_send(ctrl, CTRL_MESSAGE_TYPE_KEYBOARD_ENABLE, signature, 0x10);
ctrl_message_send(ctrl, CTRL_MESSAGE_TYPE_KEYBOARD_ENABLE_TOGGLE, &enable, 1);
}
ctrl_message_toggle_microphone(ctrl, false);
ctrl_message_toggle_microphone(ctrl, false);
uint8_t display[0x4] = { 0x00, 0x00, 0x00, 0x00 };
ctrl_message_send(ctrl, CTRL_MESSAGE_TYPE_DISPLAY_DEVICES, display, 0x4);
}
static void ctrl_message_received_session_id(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size)
{
if(ctrl->session->ctrl_session_id_received)
{
CHIAKI_LOGW(ctrl->session->log, "Received another Session Id Message");
return;
}
if(payload_size < 2)
{
CHIAKI_LOGE(ctrl->session->log, "Invalid Session Id \"%s\" received", payload);
return;
}
if(payload[0] != 0x4a)
{
CHIAKI_LOGW(ctrl->session->log, "Received presumably invalid Session Id:");
chiaki_log_hexdump(ctrl->session->log, CHIAKI_LOG_WARNING, payload, payload_size);
}
// skip the size
payload++;
payload_size--;
if(payload_size >= CHIAKI_SESSION_ID_SIZE_MAX - 1)
{
CHIAKI_LOGE(ctrl->session->log, "Received Session Id is too long");
return;
}
for(uint8_t *cur=payload; cur<payload+payload_size; cur++)
{
char c = *cur;
if(c >= 'a' && c <= 'z')
continue;
if(c >= 'A' && c <= 'Z')
continue;
if(c >= '0' && c <= '9')
continue;
CHIAKI_LOGE(ctrl->session->log, "Ctrl received Session Id contains invalid characters");
return;
}
CHIAKI_LOGI(ctrl->session->log, "Ctrl received valid Session Id: %s", ctrl->session->session_id);
memcpy(ctrl->session->session_id, payload, payload_size);
ctrl->session->session_id[payload_size] = '\0';
chiaki_mutex_lock(&ctrl->session->state_mutex);
ctrl->session->ctrl_session_id_received = true;
chiaki_mutex_unlock(&ctrl->session->state_mutex);
chiaki_cond_signal(&ctrl->session->state_cond);
}
static void ctrl_message_received_heartbeat_req(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size)
{
if(payload_size != 0)
CHIAKI_LOGW(ctrl->session->log, "Ctrl received Heartbeat request with non-empty payload");
CHIAKI_LOGI(ctrl->session->log, "Ctrl received Heartbeat, sending reply");
ctrl_message_send(ctrl, CTRL_MESSAGE_TYPE_HEARTBEAT_REP, NULL, 0);
}
static void ctrl_message_received_switch_to_stream_connection(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size)
{
if(payload_size != 0)
CHIAKI_LOGW(ctrl->session->log, "Ctrl received Switch to Stream Connection Ack with non-empty payload");
if(!ctrl->session->stream_connection_switch_received)
{
chiaki_session_set_stream_connection_switch_received(ctrl->session);
}
else
CHIAKI_LOGI(ctrl->session->log, "Received an extra stream connection switch ACK, ignoring...");
}
static void ctrl_message_received_login_pin_req(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size)
{
if(payload_size != 0)
CHIAKI_LOGW(ctrl->session->log, "Ctrl received Login PIN request with non-empty payload");
CHIAKI_LOGI(ctrl->session->log, "Ctrl received Login PIN request");
ctrl->login_pin_requested = true;
ChiakiErrorCode err = chiaki_mutex_lock(&ctrl->session->state_mutex);
assert(err == CHIAKI_ERR_SUCCESS);
ctrl->session->ctrl_login_pin_requested = true;
chiaki_mutex_unlock(&ctrl->session->state_mutex);
chiaki_cond_signal(&ctrl->session->state_cond);
}
static void ctrl_message_received_displaya(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size)
{
if(payload[0] == 0x1)
ctrl->cant_displaya = true;
else if (payload[0] == 0x0 && !ctrl->cant_displayb)
{
ctrl->cant_displaya = false;
CHIAKI_LOGI(ctrl->session->log, "Ctrl received message that the stream can now display.");
ctrl->session->display_sink.cantdisplay_cb(ctrl->session->display_sink.user, false);
}
}
static void ctrl_message_received_displayb(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size)
{
if(ctrl->cant_displaya == true)
{
if(payload[0] == 0x00 && payload[1] == 0x00 && !ctrl->cant_displayb)
{
ctrl->session->display_sink.cantdisplay_cb(ctrl->session->display_sink.user, true);
CHIAKI_LOGI(ctrl->session->log, "Ctrl received message that the stream can't display due to displaying some content that can't be streamed.");
ctrl->cant_displayb = true;
}
}
if(ctrl->cant_displayb && payload[0] == 0x01 && payload[1] == 0xff)
ctrl->cant_displayb = false;
}
static void ctrl_message_received_login(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size)
{
if(payload_size != 1)
{
CHIAKI_LOGW(ctrl->session->log, "Ctrl received Login message with payload of size %#llx", (unsigned long long)payload_size);
if(payload_size < 1)
return;
}
CtrlLoginState state = payload[0];
switch(state)
{
case CTRL_LOGIN_STATE_SUCCESS:
CHIAKI_LOGI(ctrl->session->log, "Ctrl received Login message: success");
ctrl->login_pin_requested = false;
break;
case CTRL_LOGIN_STATE_PIN_INCORRECT:
CHIAKI_LOGI(ctrl->session->log, "Ctrl received Login message: PIN incorrect");
if(ctrl->login_pin_requested)
{
CHIAKI_LOGI(ctrl->session->log, "Ctrl requesting PIN from Session again");
ChiakiErrorCode err = chiaki_mutex_lock(&ctrl->session->state_mutex);
assert(err == CHIAKI_ERR_SUCCESS);
ctrl->session->ctrl_login_pin_requested = true;
chiaki_mutex_unlock(&ctrl->session->state_mutex);
chiaki_cond_signal(&ctrl->session->state_cond);
}
else
CHIAKI_LOGW(ctrl->session->log, "Ctrl Login PIN incorrect message, but PIN was not requested");
break;
default:
CHIAKI_LOGI(ctrl->session->log, "Ctrl received Login message with state: %#x", state);
break;
}
}
static void ctrl_message_received_keyboard_open(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size)
{
assert(payload_size >= sizeof(CtrlKeyboardOpenMessage));
CtrlKeyboardOpenMessage *msg = (CtrlKeyboardOpenMessage *)payload;
msg->text_length = ntohl(msg->text_length);
assert(payload_size == sizeof(CtrlKeyboardOpenMessage) + msg->text_length);
uint8_t *buffer = msg->text_length > 0 ? malloc((size_t)msg->text_length + 1) : NULL;
if(buffer)
{
buffer[msg->text_length] = '\0';
memcpy(buffer, payload + sizeof(CtrlKeyboardOpenMessage), msg->text_length);
}
ChiakiEvent keyboard_event;
keyboard_event.type = CHIAKI_EVENT_KEYBOARD_OPEN;
keyboard_event.keyboard.text_str = (const char *)buffer;
chiaki_session_send_event(ctrl->session, &keyboard_event);
if(buffer)
free(buffer);
}
static void ctrl_message_received_keyboard_close(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size)
{
(void)payload;
(void)payload_size;
ChiakiEvent keyboard_event;
keyboard_event.type = CHIAKI_EVENT_KEYBOARD_REMOTE_CLOSE;
keyboard_event.keyboard.text_str = NULL;
chiaki_session_send_event(ctrl->session, &keyboard_event);
}
static void ctrl_message_received_keyboard_text_change(ChiakiCtrl *ctrl, uint8_t *payload, size_t payload_size)
{
assert(payload_size >= sizeof(CtrlKeyboardTextResponseMessage));
CtrlKeyboardTextResponseMessage *msg = (CtrlKeyboardTextResponseMessage *)payload;
msg->text_length1 = ntohl(msg->text_length1);
assert(payload_size == sizeof(CtrlKeyboardTextResponseMessage) + msg->text_length1);
uint8_t *buffer = msg->text_length1 > 0 ? malloc((size_t)msg->text_length1 + 1) : NULL;
if(buffer)
{
buffer[msg->text_length1] = '\0';
memcpy(buffer, payload + sizeof(CtrlKeyboardTextResponseMessage), msg->text_length1);
}
ChiakiEvent keyboard_event;
keyboard_event.type = CHIAKI_EVENT_KEYBOARD_TEXT_CHANGE;
keyboard_event.keyboard.text_str = (const char *)buffer;
chiaki_session_send_event(ctrl->session, &keyboard_event);
if(buffer)
free(buffer);
}
typedef struct ctrl_response_t
{
bool server_type_valid;
uint8_t rp_server_type[0x10];
bool rp_prohibit;
bool success;
} CtrlResponse;
static void parse_ctrl_response(CtrlResponse *response, ChiakiHttpResponse *http_response)
{
memset(response, 0, sizeof(CtrlResponse));
if(http_response->code != 200)
{
response->success = false;
return;
}
response->success = true;
response->server_type_valid = false;
response->rp_prohibit = false;
for(ChiakiHttpHeader *header=http_response->headers; header; header=header->next)
{
if(strcmp(header->key, "RP-Server-Type") == 0)
{
size_t server_type_size = sizeof(response->rp_server_type);
chiaki_base64_decode(header->value, strlen(header->value) + 1, response->rp_server_type, &server_type_size);
response->server_type_valid = server_type_size == sizeof(response->rp_server_type);
}
else if(strcmp(header->key, "RP-Prohibit") == 0)
response->rp_prohibit = atoi(header->value) == 1;
}
}
static ChiakiErrorCode ctrl_connect(ChiakiCtrl *ctrl)
{
ctrl->crypt_counter_local = 0;
ctrl->crypt_counter_remote = 0;
ChiakiSession *session = ctrl->session;
uint16_t remote_counter = 0;
ChiakiErrorCode err = CHIAKI_ERR_SUCCESS;
if(session->rudp)
{
CHIAKI_LOGI(session->log, "CTRL - Starting RUDP session");
RudpMessage message;
ChiakiErrorCode err = chiaki_rudp_send_recv(session->rudp, &message, NULL, 0, 0, INIT_REQUEST, INIT_RESPONSE, 8, 3);
if(err != CHIAKI_ERR_SUCCESS)
{
CHIAKI_LOGE(session->log, "CTRL - Failed to init rudp");
goto error;
}
size_t init_response_size = message.data_size - 8;
uint8_t init_response[init_response_size];
memcpy(init_response, message.data + 8, init_response_size);
chiaki_rudp_message_pointers_free(&message);
err = chiaki_rudp_send_recv(session->rudp, &message, init_response, init_response_size, 0, COOKIE_REQUEST, COOKIE_RESPONSE, 2, 3);
if(err != CHIAKI_ERR_SUCCESS)
{
CHIAKI_LOGE(session->log, "CTRL - Failed to pass rudp cookie");
goto error;
}
remote_counter = message.remote_counter;
chiaki_rudp_message_pointers_free(&message);
}
else
{
struct addrinfo *addr = session->connect_info.host_addrinfo_selected;
struct sockaddr *sa = malloc(addr->ai_addrlen);
if(!sa)
{
CHIAKI_LOGE(session->log, "Ctrl failed to alloc sockaddr");
return CHIAKI_ERR_MEMORY;
}
memcpy(sa, addr->ai_addr, addr->ai_addrlen);
if(sa->sa_family == AF_INET)
((struct sockaddr_in *)sa)->sin_port = htons(SESSION_CTRL_PORT);
else if(sa->sa_family == AF_INET6)
((struct sockaddr_in6 *)sa)->sin6_port = htons(SESSION_CTRL_PORT);