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Handle the newly added TOCLIENT_ACCESS_DENIED and TOCLIENT_DELETE_PARTICLESPAWNER

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* Rename the handlers from _Legacy to regular, because here we can use same handlers
* Fix some packet names and pseudo handlers
This commit is contained in:
Loic Blot 2015-03-13 14:14:48 +01:00
parent 126f36c2e6
commit 9f3fc7201b
5 changed files with 156 additions and 52 deletions
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4
src/client.h
View File

@ -350,7 +350,7 @@ public:
void handleCommand_Null(NetworkPacket* pkt) {};
void handleCommand_Deprecated(NetworkPacket* pkt);
void handleCommand_Init(NetworkPacket* pkt);
void handleCommand_AccessDenied_Legacy(NetworkPacket* pkt);
void handleCommand_AccessDenied(NetworkPacket* pkt);
void handleCommand_RemoveNode(NetworkPacket* pkt);
void handleCommand_AddNode(NetworkPacket* pkt);
void handleCommand_BlockData(NetworkPacket* pkt);
@ -379,7 +379,7 @@ public:
void handleCommand_ShowFormSpec(NetworkPacket* pkt);
void handleCommand_SpawnParticle(NetworkPacket* pkt);
void handleCommand_AddParticleSpawner(NetworkPacket* pkt);
void handleCommand_DeleteParticleSpawner_Legacy(NetworkPacket* pkt);
void handleCommand_DeleteParticleSpawner(NetworkPacket* pkt);
void handleCommand_HudAdd(NetworkPacket* pkt);
void handleCommand_HudRemove(NetworkPacket* pkt);
void handleCommand_HudChange(NetworkPacket* pkt);

43
src/network/clientopcodes.cpp
View File

@ -24,22 +24,22 @@ const static ToClientCommandHandler null_command_handler = {"TOCLIENT_NULL", TOC
const ToClientCommandHandler toClientCommandTable[TOCLIENT_NUM_MSG_TYPES] =
{
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler, // 0x00 (never use this)
null_command_handler, // 0x01
null_command_handler, // 0x02
null_command_handler, // 0x03
null_command_handler, // 0x04
null_command_handler, // 0x05
null_command_handler, // 0x06
null_command_handler, // 0x07
null_command_handler, // 0x08
null_command_handler, // 0x09
{ "TOCLIENT_ACCESS_DENIED", TOCLIENT_STATE_NOT_CONNECTED, &Client::handleCommand_AccessDenied }, // 0x0A
null_command_handler, // 0x0B
null_command_handler, // 0x0C
null_command_handler, // 0x0D
null_command_handler, // 0x0E
null_command_handler, // 0x0F
{ "TOCLIENT_INIT", TOCLIENT_STATE_NOT_CONNECTED, &Client::handleCommand_Init }, // 0x10
null_command_handler,
null_command_handler,
@ -77,7 +77,7 @@ const ToClientCommandHandler toClientCommandTable[TOCLIENT_NUM_MSG_TYPES] =
{ "TOCLIENT_ACTIVE_OBJECT_MESSAGES", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ActiveObjectMessages }, // 0x32
{ "TOCLIENT_HP", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HP }, // 0x33
{ "TOCLIENT_MOVE_PLAYER", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_MovePlayer }, // 0x34
{ "TOCLIENT_ACCESS_DENIED_LEGACY", TOCLIENT_STATE_NOT_CONNECTED, &Client::handleCommand_AccessDenied_Legacy }, // 0x35
{ "TOCLIENT_ACCESS_DENIED_LEGACY", TOCLIENT_STATE_NOT_CONNECTED, &Client::handleCommand_AccessDenied }, // 0x35
{ "TOCLIENT_PLAYERITEM", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_PlayerItem }, // 0x36
{ "TOCLIENT_DEATHSCREEN", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_DeathScreen }, // 0x37
{ "TOCLIENT_MEDIA", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_Media }, // 0x38
@ -96,7 +96,7 @@ const ToClientCommandHandler toClientCommandTable[TOCLIENT_NUM_MSG_TYPES] =
{ "TOCLIENT_MOVEMENT", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_Movement }, // 0x45
{ "TOCLIENT_SPAWN_PARTICLE", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_SpawnParticle }, // 0x46
{ "TOCLIENT_ADD_PARTICLESPAWNER", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_AddParticleSpawner }, // 0x47
{ "TOCLIENT_DELETE_PARTICLESPAWNER", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_DeleteParticleSpawner_Legacy }, // 0x48
{ "TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_DeleteParticleSpawner }, // 0x48
{ "TOCLIENT_HUDADD", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HudAdd }, // 0x49
{ "TOCLIENT_HUDRM", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HudRemove }, // 0x4a
{ "TOCLIENT_HUDCHANGE", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HudChange }, // 0x4b
@ -107,6 +107,7 @@ const ToClientCommandHandler toClientCommandTable[TOCLIENT_NUM_MSG_TYPES] =
{ "TOCLIENT_OVERRIDE_DAY_NIGHT_RATIO", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_OverrideDayNightRatio }, // 0x50
{ "TOCLIENT_LOCAL_PLAYER_ANIMATIONS", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_LocalPlayerAnimations }, // 0x51
{ "TOCLIENT_EYE_OFFSET", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_EyeOffset }, // 0x52
{ "TOCLIENT_DELETE_PARTICLESPAWNER", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_DeleteParticleSpawner }, // 0x53
};
const static ServerCommandFactory null_command_factory = { "TOSERVER_NULL", 0, false };
@ -128,8 +129,8 @@ const ServerCommandFactory serverCommandFactoryTable[TOSERVER_NUM_MSG_TYPES] =
null_command_factory, // 0x0c
null_command_factory, // 0x0d
null_command_factory, // 0x0e
null_command_factory, // 0x0f
{ "TOSERVER_INIT", 1, false }, // 0x10
{ "TOSERVER_INIT", 1, false }, // 0x0F
{ "TOSERVER_INIT_LEGACY", 1, false }, // 0x10
{ "TOSERVER_INIT2", 1, true }, // 0x11
null_command_factory, // 0x12
null_command_factory, // 0x13
@ -174,7 +175,7 @@ const ServerCommandFactory serverCommandFactoryTable[TOSERVER_NUM_MSG_TYPES] =
{ "TOSERVER_REMOVED_SOUNDS", 1, true }, // 0x3a
{ "TOSERVER_NODEMETA_FIELDS", 0, true }, // 0x3b
{ "TOSERVER_INVENTORY_FIELDS", 0, true }, // 0x3c
null_command_factory, // 0x3d
{ "TOSERVER_PASSWORD", 0, true }, // 0x3d
null_command_factory, // 0x3e
null_command_factory, // 0x3f
{ "TOSERVER_REQUEST_MEDIA", 1, true }, // 0x40

80
src/network/networkprotocol.h
View File

@ -108,6 +108,16 @@ with this program; if not, write to the Free Software Foundation, Inc.,
PROTOCOL_VERSION 24:
ContentFeatures version 7
ContentFeatures: change number of special tiles to 6 (CF_SPECIAL_COUNT)
PROTOCOL_VERSION 25:
Rename TOCLIENT_ACCESS_DENIED to TOCLIENT_ACCESS_DENIED_LEGAGY
Rename TOCLIENT_DELETE_PARTICLESPAWNER to TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY
Rename TOSERVER_PASSWORD to TOSERVER_PASSWORD_LEGACY
Rename TOSERVER_INIT to TOSERVER_INIT_LEGACY
Add TOCLIENT_ACCESS_DENIED new opcode (0x0A), using error codes
for standard error, keeping customisation possible. This
permit translation
Add TOCLIENT_DELETE_PARTICLESPAWNER (0x53), fixing the u16 read and
reading u32
*/
#define LATEST_PROTOCOL_VERSION 24
@ -133,6 +143,13 @@ with this program; if not, write to the Free Software Foundation, Inc.,
enum ToClientCommand
{
TOCLIENT_ACCESS_DENIED = 0x0A,
/*
u16 command
u16 reason_length
wstring reason
*/
TOCLIENT_INIT = 0x10,
/*
Server's reply to TOSERVER_INIT.
@ -460,7 +477,7 @@ enum ToClientCommand
TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY = 0x48,
/*
u16 command
u32 id
u16 id
*/
TOCLIENT_HUDADD = 0x49,
@ -557,11 +574,30 @@ enum ToClientCommand
v3f1000 third
*/
TOCLIENT_NUM_MSG_TYPES = 0x53,
TOCLIENT_DELETE_PARTICLESPAWNER = 0x53,
/*
u16 command
u32 id
*/
TOCLIENT_NUM_MSG_TYPES = 0x54,
};
enum ToServerCommand
{
TOSERVER_INIT = 0x0F,
/*
Sent first after connected.
[0] u16 TOSERVER_INIT
[2] u8 SER_FMT_VER_HIGHEST_READ
[3] u8 compression_modes
[4] std::string player_name
[4+*] std::string password (new in some version)
[4+*+*] u16 minimum supported network protocol version (added sometime)
[4+*+*+2] u16 maximum supported network protocol version (added later than the previous one)
*/
TOSERVER_INIT_LEGACY = 0x10,
/*
Sent first after connected.
@ -767,6 +803,15 @@ enum ToServerCommand
u8[len] field value
*/
TOSERVER_PASSWORD = 0x3d,
/*
Sent to change password.
[0] u16 TOSERVER_PASSWORD
[2] std::string old password
[2+*] std::string new password
*/
TOSERVER_REQUEST_MEDIA = 0x40,
/*
u16 command
@ -801,4 +846,35 @@ enum ToServerCommand
TOSERVER_NUM_MSG_TYPES = 0x44,
};
enum AccessDeniedCode {
SERVER_ACCESSDENIED_WRONG_PASSWORD = 0,
SERVER_ACCESSDENIED_UNEXPECTED_DATA = 1,
SERVER_ACCESSDENIED_SINGLEPLAYER = 2,
SERVER_ACCESSDENIED_WRONG_VERSION = 3,
SERVER_ACCESSDENIED_WRONG_CHARS_IN_NAME = 4,
SERVER_ACCESSDENIED_WRONG_NAME = 5,
SERVER_ACCESSDENIED_TOO_MANY_USERS = 6,
SERVER_ACCESSDENIED_EMPTY_PASSWORD = 7,
SERVER_ACCESSDENIED_ALREADY_CONNECTED = 8,
SERVER_ACCESSDENIED_CUSTOM_STRING = 9,
SERVER_ACCESSDENIED_MAX = 10,
};
enum NetProtoCompressionMode {
NETPROTO_COMPRESSION_ZLIB = 0,
};
const static std::wstring accessDeniedStrings[SERVER_ACCESSDENIED_MAX] = {
L"Invalid password",
L"Your client sent something server didn't expect. Try reconnecting or updating your client",
L"The server is running in simple singleplayer mode. You cannot connect.",
L"Your client's version is not supported.\nPlease contact server administrator.",
L"Name contains unallowed characters",
L"Name is not allowed",
L"Too many users.",
L"Empty passwords are disallowed. Set a password and try again.",
L"Another client is connected with this name. If your client closed unexpectedly, try again in a minute.",
L"",
};
#endif

40
src/network/packethandlers/client.cpp
View File

@ -89,15 +89,32 @@ void Client::handleCommand_Init(NetworkPacket* pkt)
m_state = LC_Init;
}
void Client::handleCommand_AccessDenied_Legacy(NetworkPacket* pkt)
void Client::handleCommand_AccessDenied(NetworkPacket* pkt)
{
// The server didn't like our password. Note, this needs
// to be processed even if the serialisation format has
// not been agreed yet, the same as TOCLIENT_INIT.
m_access_denied = true;
m_access_denied_reason = L"Unknown";
if (pkt->getSize() >= 2) {
*pkt >> m_access_denied_reason;
if (pkt->getCommand() == TOCLIENT_ACCESS_DENIED) {
u8 denyCode = SERVER_ACCESSDENIED_UNEXPECTED_DATA;
if(pkt->getSize() >= 1) {
*pkt >> denyCode;
}
if (denyCode == SERVER_ACCESSDENIED_CUSTOM_STRING) {
*pkt >> m_access_denied_reason;
}
else if (denyCode < SERVER_ACCESSDENIED_MAX) {
m_access_denied_reason = accessDeniedStrings[denyCode];
}
}
// 13/03/15 Legacy code from 0.4.12 and lesser. must stay 1 year
// for compat with old clients
else {
if (pkt->getSize() >= 2) {
*pkt >> m_access_denied_reason;
}
}
}
@ -822,15 +839,24 @@ void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt)
}
void Client::handleCommand_DeleteParticleSpawner_Legacy(NetworkPacket* pkt)
void Client::handleCommand_DeleteParticleSpawner(NetworkPacket* pkt)
{
u16 id;
u16 legacy_id;
u32 id;
// Modification set 13/03/15, 1 year of compat for protocol v24
if (pkt->getCommand() == TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY) {
*pkt >> legacy_id;
}
else {
*pkt >> id;
}
*pkt >> id;
ClientEvent event;
event.type = CE_DELETE_PARTICLESPAWNER;
event.delete_particlespawner.id = (u32) id;
event.delete_particlespawner.id =
(pkt->getCommand() == TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY ? (u32) legacy_id : id);
m_client_event_queue.push(event);
}

41
src/network/serveropcodes.cpp
View File

@ -24,7 +24,7 @@ const static ToServerCommandHandler null_command_handler = { "TOSERVER_NULL", TO
const ToServerCommandHandler toServerCommandTable[TOSERVER_NUM_MSG_TYPES] =
{
null_command_handler, // 0x00
null_command_handler, // 0x00 (never use this)
null_command_handler, // 0x01
null_command_handler, // 0x02
null_command_handler, // 0x03
@ -40,7 +40,7 @@ const ToServerCommandHandler toServerCommandTable[TOSERVER_NUM_MSG_TYPES] =
null_command_handler, // 0x0d
null_command_handler, // 0x0e
null_command_handler, // 0x0f
{ "TOSERVER_INIT_LEGACY", TOSERVER_STATE_NOT_CONNECTED, &Server::handleCommand_Init_Legacy }, // 0x10
{ "TOSERVER_INIT_LEGACY", TOSERVER_STATE_NOT_CONNECTED, &Server::handleCommand_Init_Legacy }, // 0x10
{ "TOSERVER_INIT2", TOSERVER_STATE_NOT_CONNECTED, &Server::handleCommand_Init2 }, // 0x11
null_command_handler, // 0x12
null_command_handler, // 0x13
@ -98,23 +98,23 @@ const static ClientCommandFactory null_command_factory = { "TOCLIENT_NULL", 0, f
const ClientCommandFactory clientCommandFactoryTable[TOCLIENT_NUM_MSG_TYPES] =
{
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
{ "TOCLIENT_INIT", 0, true }, // 0x10
null_command_factory, // 0x00
null_command_factory, // 0x01
null_command_factory, // 0x02
null_command_factory, // 0x03
null_command_factory, // 0x04
null_command_factory, // 0x05
null_command_factory, // 0x06
null_command_factory, // 0x07
null_command_factory, // 0x08
null_command_factory, // 0x09
{ "TOCLIENT_ACCESS_DENIED", 0, true }, // 0x0A
null_command_factory, // 0x0B
null_command_factory, // 0x0C
null_command_factory, // 0x0D
null_command_factory, // 0x0E
null_command_factory, // 0x0F
{ "TOCLIENT_INIT", 0, true }, // 0x10
null_command_factory,
null_command_factory,
null_command_factory,
@ -151,7 +151,7 @@ const ClientCommandFactory clientCommandFactoryTable[TOCLIENT_NUM_MSG_TYPES] =
{ "TOCLIENT_ACTIVE_OBJECT_MESSAGES", 0, true }, // 0x32 Special packet, sent by 0 (rel) and 1 (unrel) channel
{ "TOCLIENT_HP", 0, true }, // 0x33
{ "TOCLIENT_MOVE_PLAYER", 0, true }, // 0x34
{ "TOCLIENT_ACCESS_DENIED_LEGACY", 0, true }, // 0x35
{ "TOCLIENT_ACCESS_DENIED_LEGACY", 0, true }, // 0x35
{ "TOCLIENT_PLAYERITEM", 0, false }, // 0x36 obsolete
{ "TOCLIENT_DEATHSCREEN", 0, true }, // 0x37
{ "TOCLIENT_MEDIA", 2, true }, // 0x38
@ -181,4 +181,5 @@ const ClientCommandFactory clientCommandFactoryTable[TOCLIENT_NUM_MSG_TYPES] =
{ "TOCLIENT_OVERRIDE_DAY_NIGHT_RATIO", 0, true }, // 0x50
{ "TOCLIENT_LOCAL_PLAYER_ANIMATIONS", 0, true }, // 0x51
{ "TOCLIENT_EYE_OFFSET", 0, true }, // 0x52
{ "TOCLIENT_DELETE_PARTICLESPAWNER", 0, true }, // 0x53
};