char *CL_SetConfigString (int index, dbuffer *msg)
{
if (!Com_CheckConfigStringIndex(index))
Com_Error(ERR_DROP, "invalid access to configstring array with index: %i", index);
/* change the string in cl
* there may be overflows in i==CS_TILES - but thats ok
* see definition of configstrings and MAX_TILESTRINGS */
if (index == CS_TILES || index == CS_POSITIONS)
NET_ReadString(msg, cl.configstrings[index], MAX_TOKEN_CHARS * MAX_TILESTRINGS);
else
NET_ReadString(msg, cl.configstrings[index], sizeof(cl.configstrings[index]));
return cl.configstrings[index];
}
static void NET_SV_ParseHolePunch(net_packet_t *packet)
{
const char *addr_string;
net_packet_t *sendpacket;
net_addr_t *addr;
addr_string = NET_ReadString(packet);
if (addr_string == NULL)
{
NET_Log("server: error: hole punch request but no address provided");
return;
}
addr = NET_ResolveAddress(server_context, addr_string);
if (addr == NULL)
{
NET_Log("server: error: failed to resolve address: %s", addr_string);
return;
}
sendpacket = NET_NewPacket(16);
NET_WriteInt16(sendpacket, NET_PACKET_TYPE_NAT_HOLE_PUNCH);
NET_SendPacket(addr, sendpacket);
NET_FreePacket(sendpacket);
NET_ReleaseAddress(addr);
NET_Log("server: sent hole punch to %s", addr_string);
}
/**
* @brief Reads from a buffer according to format; version without syntactic sugar for variable arguments, to call it from other functions with variable arguments
* @sa SV_ReadFormat
* @param[in] buf The buffer we read the data from
* @param[in] format The format string may not be nullptr
* @param ap The variadic function argument list corresponding to the format string
*/
void NET_vReadFormat (dbuffer* buf, const char* format, va_list ap)
{
while (*format) {
const char typeID = *format++;
switch (typeID) {
case 'c':
*va_arg(ap, int*) = NET_ReadChar(buf);
break;
case 'b':
*va_arg(ap, int*) = NET_ReadByte(buf);
break;
case 's':
*va_arg(ap, int*) = NET_ReadShort(buf);
break;
case 'l':
*va_arg(ap, int*) = NET_ReadLong(buf);
break;
case 'p':
NET_ReadPos(buf, *va_arg(ap, vec3_t*));
break;
case 'g':
NET_ReadGPos(buf, *va_arg(ap, pos3_t*));
break;
case 'd':
NET_ReadDir(buf, *va_arg(ap, vec3_t*));
break;
case 'a':
*va_arg(ap, float*) = NET_ReadAngle(buf);
break;
case '!':
format++;
break;
case '&': {
char* str = va_arg(ap, char*);
const size_t length = va_arg(ap, size_t);
NET_ReadString(buf, str, length);
break;
}
case '*':
{
const int n = NET_ReadShort(buf);
*va_arg(ap, int*) = n;
byte* p = va_arg(ap, byte*);
for (int i = 0; i < n; i++)
*p++ = NET_ReadByte(buf);
}
break;
default:
Com_Error(ERR_DROP, "ReadFormat: Unknown type!");
}
}
/* Too many arguments for the given format; too few cause crash above */
#ifdef PARANOID
if (!ap)
Com_Error(ERR_DROP, "ReadFormat: Too many arguments!");
#endif
}
char *NET_EndSecureDemo(sha1_digest_t demo_hash)
{
net_packet_t *request, *response;
net_addr_t *master_addr;
char *signature;
master_addr = NET_Query_ResolveMaster(query_context);
// Construct end request and send to master server.
request = NET_NewPacket(10);
NET_WriteInt16(request, NET_MASTER_PACKET_TYPE_SIGN_END);
NET_WriteSHA1Sum(request, demo_hash);
NET_WriteString(request, securedemo_start_message);
NET_SendPacket(master_addr, request);
NET_FreePacket(request);
// Block for response. The response packet simply contains a string
// with the ASCII signature.
response = BlockForPacket(master_addr,
NET_MASTER_PACKET_TYPE_SIGN_END_RESPONSE,
SIGNATURE_TIMEOUT_SECS * 1000);
if (response == NULL)
{
return NULL;
}
signature = NET_ReadString(response);
NET_FreePacket(response);
return signature;
}
void NET_SkipFormat (dbuffer* buf, const char* format)
{
while (*format) {
const char typeID = *format++;
switch (typeID) {
case 'c':
NET_ReadChar(buf);
break;
case 'b':
NET_ReadByte(buf);
break;
case 's':
NET_ReadShort(buf);
break;
case 'l':
NET_ReadLong(buf);
break;
case 'p': {
vec3_t v;
NET_ReadPos(buf, v);
break;
}
case 'g': {
pos3_t p;
NET_ReadGPos(buf, p);
break;
}
case 'd': {
vec3_t v;
NET_ReadDir(buf, v);
break;
}
case 'a':
NET_ReadAngle(buf);
break;
case '!':
format++;
break;
case '&':
NET_ReadString(buf, nullptr, 0);
break;
case '*': {
const int n = NET_ReadShort(buf);
for (int i = 0; i < n; i++)
NET_ReadByte(buf);
break;
}
default:
Com_Error(ERR_DROP, "ReadFormat: Unknown type!");
}
}
}
boolean NET_ReadWaitData(net_packet_t *packet, net_waitdata_t *data)
{
int i;
char *s;
if (!NET_ReadInt8(packet, (unsigned int *) &data->num_players)
|| !NET_ReadInt8(packet, (unsigned int *) &data->num_drones)
|| !NET_ReadInt8(packet, (unsigned int *) &data->ready_players)
|| !NET_ReadInt8(packet, (unsigned int *) &data->max_players)
|| !NET_ReadInt8(packet, (unsigned int *) &data->is_controller)
|| !NET_ReadSInt8(packet, &data->consoleplayer))
{
return false;
}
for (i = 0; i < data->num_players && i < NET_MAXPLAYERS; ++i)
{
s = NET_ReadString(packet);
if (s == NULL || strlen(s) >= MAXPLAYERNAME)
{
return false;
}
strcpy(data->player_names[i], s);
s = NET_ReadString(packet);
if (s == NULL || strlen(s) >= MAXPLAYERNAME)
{
return false;
}
strcpy(data->player_addrs[i], s);
}
return NET_ReadSHA1Sum(packet, data->wad_sha1sum)
&& NET_ReadSHA1Sum(packet, data->deh_sha1sum)
&& NET_ReadInt8(packet, (unsigned int *) &data->is_freedoom);
}
static void NET_CL_ParseConsoleMessage(net_packet_t *packet)
{
char *msg;
msg = NET_ReadString(packet);
if (msg == NULL)
{
return;
}
printf("Message from server: ");
NET_SafePuts(msg);
}
boolean NET_ReadQueryData(net_packet_t *packet, net_querydata_t *query)
{
boolean result;
query->version = NET_ReadString(packet);
result = query->version != NULL
&& NET_ReadInt8(packet, (unsigned int *) &query->server_state)
&& NET_ReadInt8(packet, (unsigned int *) &query->num_players)
&& NET_ReadInt8(packet, (unsigned int *) &query->max_players)
&& NET_ReadInt8(packet, (unsigned int *) &query->gamemode)
&& NET_ReadInt8(packet, (unsigned int *) &query->gamemission);
if (result)
{
query->description = NET_ReadString(packet);
return query->description != NULL;
}
else
{
return false;
}
}
static void NET_Query_ParseMasterResponse(net_addr_t *master_addr,
net_packet_t *packet)
{
unsigned int packet_type;
query_target_t *target;
char *addr_str;
net_addr_t *addr;
// Read the header. We are only interested in query responses.
if (!NET_ReadInt16(packet, &packet_type)
|| packet_type != NET_MASTER_PACKET_TYPE_QUERY_RESPONSE)
{
return;
}
// Read a list of strings containing the addresses of servers
// that the master knows about.
for (;;)
{
addr_str = NET_ReadString(packet);
if (addr_str == NULL)
{
break;
}
// Resolve address and add to targets list if it is not already
// there.
addr = NET_ResolveAddress(query_context, addr_str);
if (addr != NULL)
{
GetTargetForAddr(addr, true);
}
}
// Mark the master as having responded.
target = GetTargetForAddr(master_addr, true);
target->state = QUERY_TARGET_RESPONDED;
}
boolean NET_StartSecureDemo(prng_seed_t seed)
{
net_packet_t *request, *response;
net_addr_t *master_addr;
char *signature;
boolean result;
NET_Query_Init();
master_addr = NET_Query_ResolveMaster(query_context);
// Send request packet to master server.
request = NET_NewPacket(10);
NET_WriteInt16(request, NET_MASTER_PACKET_TYPE_SIGN_START);
NET_SendPacket(master_addr, request);
NET_FreePacket(request);
// Block for response and read contents.
// The signed start message will be saved for later.
response = BlockForPacket(master_addr,
NET_MASTER_PACKET_TYPE_SIGN_START_RESPONSE,
SIGNATURE_TIMEOUT_SECS * 1000);
result = false;
if (response != NULL)
{
if (NET_ReadPRNGSeed(response, seed))
{
signature = NET_ReadString(response);
if (signature != NULL)
{
securedemo_start_message = strdup(signature);
result = true;
}
}
NET_FreePacket(response);
}
return result;
}
static void NET_Conn_ParseReject(net_connection_t *conn, net_packet_t *packet)
{
char *msg;
msg = NET_ReadString(packet);
if (msg == NULL)
{
return;
}
if (conn->state == NET_CONN_STATE_CONNECTING)
{
// rejected by server
conn->state = NET_CONN_STATE_DISCONNECTED;
conn->disconnect_reason = NET_DISCONNECT_REMOTE;
printf("Rejected by server: ");
NET_SafePuts(msg);
}
}
static void NET_SV_ParseSYN(net_packet_t *packet,
net_client_t *client,
net_addr_t *addr)
{
unsigned int magic;
unsigned int cl_gamemode, cl_gamemission;
unsigned int cl_recording_lowres;
unsigned int cl_drone;
unsigned int is_freedoom;
md5_digest_t deh_md5sum, wad_md5sum;
char *player_name;
char *client_version;
int i;
// read the magic number
if (!NET_ReadInt32(packet, &magic))
{
return;
}
if (magic != NET_MAGIC_NUMBER)
{
// invalid magic number
return;
}
// Check the client version is the same as the server
client_version = NET_ReadString(packet);
if (client_version == NULL)
{
return;
}
if (strcmp(client_version, PACKAGE_STRING) != 0)
{
//!
// @category net
//
// When running a netgame server, ignore version mismatches between
// the server and the client. Using this option may cause game
// desyncs to occur, or differences in protocol may mean the netgame
// will simply not function at all.
//
if (M_CheckParm("-ignoreversion") == 0)
{
NET_SV_SendReject(addr,
"Version mismatch: server version is: "
PACKAGE_STRING);
return;
}
}
// read the game mode and mission
if (!NET_ReadInt16(packet, &cl_gamemode)
|| !NET_ReadInt16(packet, &cl_gamemission)
|| !NET_ReadInt8(packet, &cl_recording_lowres)
|| !NET_ReadInt8(packet, &cl_drone)
|| !NET_ReadMD5Sum(packet, wad_md5sum)
|| !NET_ReadMD5Sum(packet, deh_md5sum)
|| !NET_ReadInt8(packet, &is_freedoom))
{
return;
}
if (!NET_ValidGameMode(cl_gamemode, cl_gamemission))
{
return;
}
// read the player's name
player_name = NET_ReadString(packet);
if (player_name == NULL)
{
return;
}
// received a valid SYN
// not accepting new connections?
if (server_state != SERVER_WAITING_START)
{
NET_SV_SendReject(addr, "Server is not currently accepting connections");
return;
}
// allocate a client slot if there isn't one already
if (client == NULL)
{
// find a slot, or return if none found
for (i=0; i<MAXNETNODES; ++i)
{
if (!clients[i].active)
{
client = &clients[i];
break;
}
}
if (client == NULL)
{
return;
}
}
else
{
// If this is a recently-disconnected client, deactivate
// to allow immediate reconnection
if (client->connection.state == NET_CONN_STATE_DISCONNECTED)
{
client->active = false;
}
}
// New client?
if (!client->active)
{
int num_players;
// Before accepting a new client, check that there is a slot
// free
NET_SV_AssignPlayers();
num_players = NET_SV_NumPlayers();
if ((!cl_drone && num_players >= MAXPLAYERS)
|| NET_SV_NumClients() >= MAXNETNODES)
{
NET_SV_SendReject(addr, "Server is full!");
return;
}
// TODO: Add server option to allow rejecting clients which
// set lowres_turn. This is potentially desirable as the
// presence of such clients affects turning resolution.
// Adopt the game mode and mission of the first connecting client
if (num_players == 0 && !cl_drone)
{
sv_gamemode = cl_gamemode;
sv_gamemission = cl_gamemission;
}
// Save the MD5 checksums
memcpy(client->wad_md5sum, wad_md5sum, sizeof(md5_digest_t));
memcpy(client->deh_md5sum, deh_md5sum, sizeof(md5_digest_t));
client->is_freedoom = is_freedoom;
// Check the connecting client is playing the same game as all
// the other clients
if (cl_gamemode != sv_gamemode || cl_gamemission != sv_gamemission)
{
NET_SV_SendReject(addr, "You are playing the wrong game!");
return;
}
// Activate, initialize connection
NET_SV_InitNewClient(client, addr, player_name);
client->recording_lowres = cl_recording_lowres;
client->drone = cl_drone;
}
if (client->connection.state == NET_CONN_STATE_WAITING_ACK)
{
// force an acknowledgement
client->connection.last_send_time = -1;
}
}
static void NET_CL_ParseWaitingData(net_packet_t *packet)
{
unsigned int num_players;
unsigned int num_drones;
unsigned int is_controller;
signed int player_number;
char *player_names[MAXPLAYERS];
char *player_addr[MAXPLAYERS];
md5_digest_t wad_md5sum, deh_md5sum;
unsigned int server_is_freedoom;
size_t i;
if (!NET_ReadInt8(packet, &num_players)
|| !NET_ReadInt8(packet, &num_drones)
|| !NET_ReadInt8(packet, &is_controller)
|| !NET_ReadSInt8(packet, &player_number))
{
// invalid packet
return;
}
if (num_players > MAXPLAYERS)
{
// insane data
return;
}
if ((player_number >= 0 && drone)
|| (player_number < 0 && !drone)
|| (player_number >= (signed int) num_players))
{
// Invalid player number
return;
}
// Read the player names
for (i=0; i<num_players; ++i)
{
player_names[i] = NET_ReadString(packet);
player_addr[i] = NET_ReadString(packet);
if (player_names[i] == NULL || player_addr[i] == NULL)
{
return;
}
}
if (!NET_ReadMD5Sum(packet, wad_md5sum)
|| !NET_ReadMD5Sum(packet, deh_md5sum)
|| !NET_ReadInt8(packet, &server_is_freedoom))
{
return;
}
net_clients_in_game = num_players;
net_drones_in_game = num_drones;
net_client_controller = is_controller != 0;
net_player_number = player_number;
for (i=0; i<num_players; ++i)
{
strncpy(net_player_names[i], player_names[i], MAXPLAYERNAME);
net_player_names[i][MAXPLAYERNAME-1] = '\0';
strncpy(net_player_addresses[i], player_addr[i], MAXPLAYERNAME);
net_player_addresses[i][MAXPLAYERNAME-1] = '\0';
}
memcpy(net_server_wad_md5sum, wad_md5sum, sizeof(md5_digest_t));
memcpy(net_server_deh_md5sum, deh_md5sum, sizeof(md5_digest_t));
net_server_is_freedoom = server_is_freedoom;
net_client_received_wait_data = true;
}
/**
* @brief The current net_message is parsed for the given client
*/
void SV_ExecuteClientMessage (client_t * cl, int cmd, struct dbuffer *msg)
{
if (cmd == -1)
return;
switch (cmd) {
default:
Com_Printf("SV_ExecuteClientMessage: unknown command char '%d'\n", cmd);
SV_DropClient(cl, "Unknown command\n");
return;
case clc_nop:
break;
case clc_ack:
cl->lastmessage = svs.realtime;
break;
case clc_userinfo:
NET_ReadString(msg, cl->userinfo, sizeof(cl->userinfo));
Com_DPrintf(DEBUG_SERVER, "userinfo from client: %s\n", cl->userinfo);
SV_UserinfoChanged(cl);
break;
case clc_stringcmd:
{
char str[1024];
NET_ReadString(msg, str, sizeof(str));
Com_DPrintf(DEBUG_SERVER, "stringcmd from client: %s\n", str);
SV_ExecuteUserCommand(cl, str);
if (cl->state == cs_free)
return; /* disconnect command */
break;
}
case clc_action:
/* client actions are handled by the game module */
sv->messageBuffer = msg;
TH_MutexLock(svs.serverMutex);
svs.ge->ClientAction(cl->player);
TH_MutexUnlock(svs.serverMutex);
sv->messageBuffer = NULL;
break;
case clc_endround:
/* player wants to end round */
sv->messageBuffer = msg;
TH_MutexLock(svs.serverMutex);
svs.ge->ClientEndRound(cl->player);
TH_MutexUnlock(svs.serverMutex);
sv->messageBuffer = NULL;
break;
case clc_teaminfo:
/* player sends team info */
/* actors spawn accordingly */
sv->messageBuffer = msg;
TH_MutexLock(svs.serverMutex);
svs.ge->ClientTeamInfo(cl->player);
TH_MutexUnlock(svs.serverMutex);
sv->messageBuffer = NULL;
SV_SetClientState(cl, cs_spawned);
break;
case clc_initactorstates:
/* player sends team info */
/* actors spawn accordingly */
sv->messageBuffer = msg;
TH_MutexLock(svs.serverMutex);
svs.ge->ClientInitActorStates(cl->player);
TH_MutexUnlock(svs.serverMutex);
sv->messageBuffer = NULL;
break;
}
}
static void NET_SV_ParseSYN(net_packet_t *packet, net_client_t *client,
net_addr_t *addr)
{
unsigned int magic;
net_connect_data_t data;
net_packet_t *reply;
net_protocol_t protocol;
char *player_name;
char *client_version;
int num_players;
int i;
NET_Log("server: processing SYN packet");
// Read the magic number and check it is the expected one.
if (!NET_ReadInt32(packet, &magic))
{
NET_Log("server: error: no magic number for SYN");
return;
}
switch (magic)
{
case NET_MAGIC_NUMBER:
break;
case NET_OLD_MAGIC_NUMBER:
NET_Log("server: error: client using old magic number: %d", magic);
NET_SV_SendReject(addr,
"You are using an old client version that is not supported by "
"this server. This server is running " PACKAGE_STRING ".");
return;
default:
NET_Log("server: error: wrong magic number: %d", magic);
return;
}
// Read the client version string. We actually now only use this when
// sending a reject message, as we only reject if we can't negotiate a
// common protocol (below).
client_version = NET_ReadString(packet);
if (client_version == NULL)
{
NET_Log("server: error: no version from client");
return;
}
// Read the client's list of accepted protocols. Net play between forks
// of Chocolate Doom is accepted provided that they can negotiate a
// common accepted protocol.
protocol = NET_ReadProtocolList(packet);
if (protocol == NET_PROTOCOL_UNKNOWN)
{
char reject_msg[256];
M_snprintf(reject_msg, sizeof(reject_msg),
"Version mismatch: server version is: " PACKAGE_STRING "; "
"client is: %s. No common compatible protocol could be "
"negotiated.", client_version);
NET_SV_SendReject(addr, reject_msg);
NET_Log("server: error: no common protocol");
return;
}
// Read connect data, and check that the game mode/mission are valid
// and the max_players value is in a sensible range.
if (!NET_ReadConnectData(packet, &data))
{
NET_Log("server: error: failed to read connect data");
return;
}
if (!D_ValidGameMode(data.gamemission, data.gamemode)
|| data.max_players > NET_MAXPLAYERS)
{
NET_Log("server: error: invalid connect data, max_players=%d, "
"gamemission=%d, gamemode=%d",
data.max_players, data.gamemission, data.gamemode);
return;
}
// Read the player's name
player_name = NET_ReadString(packet);
if (player_name == NULL)
{
NET_Log("server: error: failed to read player name");
return;
}
// At this point we have received a valid SYN.
// Not accepting new connections?
if (server_state != SERVER_WAITING_LAUNCH)
{
NET_Log("server: error: not in waiting launch state, server_state=%d",
server_state);
NET_SV_SendReject(addr,
"Server is not currently accepting connections");
return;
}
// Before accepting a new client, check that there is a slot free.
NET_SV_AssignPlayers();
num_players = NET_SV_NumPlayers();
if ((!data.drone && num_players >= NET_SV_MaxPlayers())
|| NET_SV_NumClients() >= MAXNETNODES)
{
NET_Log("server: no more players, num_players=%d, max=%d",
num_players, NET_SV_MaxPlayers());
NET_SV_SendReject(addr, "Server is full!");
return;
}
// TODO: Add server option to allow rejecting clients which set
// lowres_turn. This is potentially desirable as the presence of such
// clients affects turning resolution.
// Adopt the game mode and mission of the first connecting client:
if (num_players == 0 && !data.drone)
{
sv_gamemode = data.gamemode;
sv_gamemission = data.gamemission;
NET_Log("server: new game, mode=%d, mission=%d",
sv_gamemode, sv_gamemission);
}
// Check the connecting client is playing the same game as all
// the other clients
if (data.gamemode != sv_gamemode || data.gamemission != sv_gamemission)
{
char msg[128];
NET_Log("server: wrong mode/mission, %d != %d || %d != %d",
data.gamemode, sv_gamemode, data.gamemission, sv_gamemission);
M_snprintf(msg, sizeof(msg),
"Game mismatch: server is %s (%s), client is %s (%s)",
D_GameMissionString(sv_gamemission),
D_GameModeString(sv_gamemode),
D_GameMissionString(data.gamemission),
D_GameModeString(data.gamemode));
NET_SV_SendReject(addr, msg);
return;
}
// Allocate a client slot if there isn't one already
if (client == NULL)
{
// find a slot, or return if none found
for (i=0; i<MAXNETNODES; ++i)
{
if (!clients[i].active)
{
client = &clients[i];
break;
}
}
if (client == NULL)
{
return;
}
}
else
{
// If this is a recently-disconnected client, deactivate
// to allow immediate reconnection
if (client->connection.state == NET_CONN_STATE_DISCONNECTED)
{
client->active = false;
}
}
// Client already connected?
if (client->active)
{
NET_Log("server: client is already initialized (duplicate SYN?)");
return;
}
// Activate, initialize connection
NET_SV_InitNewClient(client, addr, protocol);
// Save the SHA1 checksums and other details.
memcpy(client->wad_sha1sum, data.wad_sha1sum, sizeof(sha1_digest_t));
memcpy(client->deh_sha1sum, data.deh_sha1sum, sizeof(sha1_digest_t));
client->is_freedoom = data.is_freedoom;
client->max_players = data.max_players;
client->name = M_StringDuplicate(player_name);
client->recording_lowres = data.lowres_turn;
client->drone = data.drone;
client->player_class = data.player_class;
// Send a reply back to the client, indicating a successful connection
// and specifying the protocol that will be used for communications.
reply = NET_Conn_NewReliable(&client->connection, NET_PACKET_TYPE_SYN);
NET_WriteString(reply, PACKAGE_STRING);
NET_WriteProtocol(reply, protocol);
}
static int SV_ReadString (char *str, size_t length)
{
return NET_ReadString(sv->messageBuffer, str, length);
}
/**
* @brief Responses to broadcasts, etc
* @sa CL_ReadPackets
* @sa CL_Frame
* @sa SVC_DirectConnect
* @param[in,out] msg The client stream message buffer to read from
*/
static void CL_ConnectionlessPacket (dbuffer* msg)
{
char s[512];
NET_ReadStringLine(msg, s, sizeof(s));
Cmd_TokenizeString(s, false);
const char* c = Cmd_Argv(0);
Com_DPrintf(DEBUG_CLIENT, "server OOB: %s (%s)\n", c, Cmd_Args());
/* server connection */
if (Q_streq(c, CL_CMD_CLIENT_CONNECT)) {
int i;
for (i = 1; i < Cmd_Argc(); i++) {
if (char const* const p = Q_strstart(Cmd_Argv(i), "dlserver=")) {
Com_sprintf(cls.downloadReferer, sizeof(cls.downloadReferer), "ufo://%s", cls.servername);
CL_SetHTTPServer(p);
if (cls.downloadServer[0])
Com_Printf("HTTP downloading enabled, URL: %s\n", cls.downloadServer);
}
}
if (cls.state == ca_connected) {
Com_Printf("Dup connect received. Ignored.\n");
return;
}
dbuffer buf(5);
NET_WriteByte(&buf, clc_stringcmd);
NET_WriteString(&buf, NET_STATE_NEW "\n");
NET_WriteMsg(cls.netStream, buf);
GAME_InitMissionBriefing(_("Loading"));
return;
}
/* remote command from gui front end */
if (Q_streq(c, CL_CMD_COMMAND)) {
if (!NET_StreamIsLoopback(cls.netStream)) {
Com_Printf("Command packet from remote host. Ignored.\n");
return;
} else {
char str[512];
NET_ReadString(msg, str, sizeof(str));
Cbuf_AddText("%s\n", str);
}
return;
}
/* ping from server */
if (Q_streq(c, CL_CMD_PING)) {
NET_OOB_Printf(cls.netStream, SV_CMD_ACK);
return;
}
/* echo request from server */
if (Q_streq(c, CL_CMD_ECHO)) {
NET_OOB_Printf(cls.netStream, "%s", Cmd_Argv(1));
return;
}
/* print */
if (Q_streq(c, SV_CMD_PRINT)) {
NET_ReadString(msg, popupText, sizeof(popupText));
/* special reject messages needs proper handling */
if (strstr(popupText, REJ_PASSWORD_REQUIRED_OR_INCORRECT)) {
UI_PushWindow("serverpassword");
if (Q_strvalid(Cvar_GetString("password"))) {
Cvar_Set("password", "");
CL_Drop();
UI_Popup(_("Connection failure"), _("The password you specified was wrong."));
} else {
CL_Drop();
UI_Popup(_("Connection failure"), _("This server requires a password."));
}
} else if (strstr(popupText, REJ_SERVER_FULL)) {
CL_Drop();
UI_Popup(_("Connection failure"), _("This server is full."));
} else if (strstr(popupText, REJ_BANNED)) {
CL_Drop();
UI_Popup(_("Connection failure"), _("You are banned on this server."));
} else if (strstr(popupText, REJ_GAME_ALREADY_STARTED)) {
CL_Drop();
UI_Popup(_("Connection failure"), _("The game has already started."));
} else if (strstr(popupText, REJ_SERVER_VERSION_MISMATCH)) {
CL_Drop();
UI_Popup(_("Connection failure"), _("The server is running a different version of the game."));
} else if (strstr(popupText, BAD_RCON_PASSWORD)) {
Cvar_Set("rcon_password", "");
UI_Popup(_("Bad rcon password"), _("The rcon password you specified was wrong."));
} else if (strstr(popupText, REJ_CONNECTION_REFUSED)) {
CL_Drop();
UI_Popup(_("Connection failure"), _("The server refused the connection."));
} else if (Q_strvalid(popupText)) {
UI_Popup(_("Notice"), _(popupText));
}
return;
}
if (!GAME_HandleServerCommand(c, msg))
Com_Printf("Unknown command received \"%s\"\n", c);
}
