X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=src%2Fmessagehandler.c;h=d0c24e98d3a91cd5ed904a762e6523636cb4bbed;hb=5e3eca4e7c1a3ece4f7a6f94bc4a5f7295cd39ac;hp=8cca053e55a281f0b5326398ff7bac7e431dfef5;hpb=6a6908d7031a79b5767d86a4da056f65a742ac9f;p=umurmur.git diff --git a/src/messagehandler.c b/src/messagehandler.c index 8cca053..d0c24e9 100644 --- a/src/messagehandler.c +++ b/src/messagehandler.c @@ -40,21 +40,24 @@ #include "conf.h" extern channel_t *defaultChan; +extern int iCodecAlpha, iCodecBeta; +extern bool_t bPreferAlpha; -static void sendServerReject(client_t *client, const char *reason, rejectType_t type) +static void sendServerReject(client_t *client, const char *reason, MumbleProto__Reject__RejectType type) { - message_t *msg = Msg_create(ServerReject); - msg->sessionId = client->sessionId; - strcpy(msg->payload.serverReject.reason, reason); - msg->payload.serverReject.type = type; + message_t *msg = Msg_create(Reject); + msg->payload.reject->reason = strdup(reason); + msg->payload.reject->type = type; + msg->payload.reject->has_type = true; Client_send_message(client, msg); } static void sendPermissionDenied(client_t *client, const char *reason) { message_t *msg = Msg_create(PermissionDenied); - msg->sessionId = client->sessionId; - strncpy(msg->payload.permissionDenied.reason, reason, MAX_TEXT); + msg->payload.permissionDenied->has_type = true; + msg->payload.permissionDenied->type = MUMBLE_PROTO__PERMISSION_DENIED__DENY_TYPE__Text; + msg->payload.permissionDenied->reason = strdup(reason); Client_send_message(client, msg); } @@ -65,7 +68,7 @@ void Mh_handle_message(client_t *client, message_t *msg) client_t *client_itr; switch (msg->messageType) { - case ServerAuthenticate: + case Authenticate: /* * 1. Check stuff, Serverreject if not ok * 2. Setup UDP encryption -> MessageCryptSetup @@ -78,267 +81,345 @@ void Mh_handle_message(client_t *client, message_t *msg) * 9. PlayerDeaf/PlayerMute/PlayerSelfMuteDeaf for all users it applies to * 10. MessageServerSync */ - if (msg->payload.serverAuthenticate.version != MESSAGE_STREAM_VERSION) { - char buf[64]; - sprintf(buf, "Wrong version of mumble protocol (client: %d, server: %d)", - msg->payload.serverAuthenticate.version, MESSAGE_STREAM_VERSION); - sendServerReject(client, buf, WrongVersion); - goto disconnect; - } + Log_debug("Authenticate message received"); + Log_debug("Username: %s", msg->payload.authenticate->username); + + client->authenticated = true; + client_itr = NULL; while (Client_iterate(&client_itr) != NULL) { if (!IS_AUTH(client_itr)) continue; - if (strncmp(client_itr->playerName, msg->payload.serverAuthenticate.userName, MAX_TEXT) == 0) { + if (client_itr->playerName && strncmp(client_itr->playerName, msg->payload.authenticate->username, MAX_TEXT) == 0) { char buf[64]; sprintf(buf, "Username already in use"); - sendServerReject(client, buf, UsernameInUse); + Log_debug("Username already in use"); + sendServerReject(client, buf, MUMBLE_PROTO__REJECT__REJECT_TYPE__UsernameInUse); goto disconnect; } } - - if (strncmp(getStrConf(PASSPHRASE), msg->payload.serverAuthenticate.password, MAX_TEXT) != 0) { + if (msg->payload.authenticate->password && strncmp(getStrConf(PASSPHRASE), msg->payload.authenticate->password, MAX_TEXT) != 0) { char buf[64]; sprintf(buf, "Wrong server password"); - sendServerReject(client, buf, WrongServerPW); + Log_debug("Wrong server password: %s", msg->payload.authenticate->password); + sendServerReject(client, buf, MUMBLE_PROTO__REJECT__REJECT_TYPE__WrongServerPW); goto disconnect; } - - if (strlen(msg->payload.serverAuthenticate.userName) == 0) { /* XXX - other invalid names? */ + if (strlen(msg->payload.authenticate->username) == 0 || + strlen(msg->payload.authenticate->username) >= MAX_TEXT) { /* XXX - other invalid names? */ char buf[64]; sprintf(buf, "Invalid username"); - sendServerReject(client, buf, InvalidUsername); + Log_debug("Invalid username"); + sendServerReject(client, buf, MUMBLE_PROTO__REJECT__REJECT_TYPE__InvalidUsername); goto disconnect; } if (Client_count() >= getIntConf(MAX_CLIENTS)) { char buf[64]; sprintf(buf, "Server is full (max %d users)", getIntConf(MAX_CLIENTS)); - sendServerReject(client, buf, ServerFull); + sendServerReject(client, buf, MUMBLE_PROTO__REJECT__REJECT_TYPE__ServerFull); goto disconnect; } /* Name & password */ - strncpy(client->playerName, msg->payload.serverAuthenticate.userName, MAX_TEXT); - client->playerId = client->sessionId; - - client->authenticated = true; - - /* XXX - Kick ghost */ + client->playerName = strdup(msg->payload.authenticate->username); /* Setup UDP encryption */ CryptState_init(&client->cryptState); CryptState_genKey(&client->cryptState); sendmsg = Msg_create(CryptSetup); - sendmsg->sessionId = client->sessionId; - memcpy(sendmsg->payload.cryptSetup.key, client->cryptState.raw_key, AES_BLOCK_SIZE); - memcpy(sendmsg->payload.cryptSetup.serverNonce, client->cryptState.encrypt_iv, AES_BLOCK_SIZE); - memcpy(sendmsg->payload.cryptSetup.clientNonce, client->cryptState.decrypt_iv, AES_BLOCK_SIZE); + sendmsg->payload.cryptSetup->has_key = true; + sendmsg->payload.cryptSetup->key.data = client->cryptState.raw_key; + sendmsg->payload.cryptSetup->key.len = AES_BLOCK_SIZE; + sendmsg->payload.cryptSetup->has_server_nonce = true; + sendmsg->payload.cryptSetup->server_nonce.data = client->cryptState.encrypt_iv; + sendmsg->payload.cryptSetup->server_nonce.len = AES_BLOCK_SIZE; + sendmsg->payload.cryptSetup->has_client_nonce = true; + sendmsg->payload.cryptSetup->client_nonce.data = client->cryptState.decrypt_iv; + sendmsg->payload.cryptSetup->client_nonce.len = AES_BLOCK_SIZE; Client_send_message(client, sendmsg); /* Channel stuff */ Chan_playerJoin(defaultChan, client); /* Join default channel */ + /* Codec version */ + if (msg->payload.authenticate->n_celt_versions > MAX_CODECS) + Log_warn("Client has more than %d CELT codecs. Ignoring %d codecs", + MAX_CODECS, msg->payload.authenticate->n_celt_versions - MAX_CODECS); + + Log_debug("Client %d has %d CELT codecs", client->sessionId, msg->payload.authenticate->n_celt_versions); + if (msg->payload.authenticate->n_celt_versions > 0) { + int i; + client->codec_count = msg->payload.authenticate->n_celt_versions > MAX_CODECS ? + MAX_CODECS : msg->payload.authenticate->n_celt_versions; + for (i = 0; i < client->codec_count; i++) { + client->codecs[i] = msg->payload.authenticate->celt_versions[i]; + Log_debug("Client %d CELT codec ver 0x%x", client->sessionId, client->codecs[i]); + } + } else { + client->codecs[0] = (int32_t)0x8000000a; + client->codec_count = 1; + } + + recheckCodecVersions(); + + sendmsg = Msg_create(CodecVersion); + sendmsg->payload.codecVersion->alpha = iCodecAlpha; + sendmsg->payload.codecVersion->beta = iCodecBeta; + sendmsg->payload.codecVersion->prefer_alpha = bPreferAlpha; + Client_send_message(client, sendmsg); + /* Iterate channels and send channel info */ ch_itr = NULL; Chan_iterate(&ch_itr); do { - sendmsg = Msg_create(ChannelAdd); - sendmsg->sessionId = 0; - sendmsg->payload.channelAdd.id = ch_itr->id; - if (ch_itr->id == 0) - sendmsg->payload.channelAdd.parentId = -1; - else - sendmsg->payload.channelAdd.parentId = ch_itr->parent->id; - strcpy(sendmsg->payload.channelAdd.name, ch_itr->name); - Client_send_message(client, sendmsg); - - sendmsg = Msg_create(ChannelDescUpdate); - sendmsg->sessionId = 0; - sendmsg->payload.channelDescUpdate.id = ch_itr->id; - strcpy(sendmsg->payload.channelDescUpdate.desc, ch_itr->desc); + sendmsg = Msg_create(ChannelState); + sendmsg->payload.channelState->has_channel_id = true; + sendmsg->payload.channelState->channel_id = ch_itr->id; + if (ch_itr->id != 0) { + sendmsg->payload.channelState->has_parent = true; + sendmsg->payload.channelState->parent = ch_itr->parent->id; + } + sendmsg->payload.channelState->name = strdup(ch_itr->name); + if (strlen(ch_itr->desc) > 0) { + sendmsg->payload.channelState->description = strdup(ch_itr->desc); + } + Log_debug("Send channel info: %s", sendmsg->payload.channelState->name); Client_send_message(client, sendmsg); Chan_iterate(&ch_itr); } while (ch_itr != NULL); - /* Not supporting channel link for now */ - - /* Server join for connecting user */ - sendmsg = Msg_create(ServerJoin); - sendmsg->sessionId = client->sessionId; - sendmsg->payload.serverJoin.id = client->playerId; - strcpy(sendmsg->payload.serverJoin.playerName, client->playerName); + /* Not supporting channel links yet */ + + /* Send user state for connecting user to other users */ + sendmsg = Msg_create(UserState); + sendmsg->payload.userState->has_session = true; + sendmsg->payload.userState->session = client->sessionId; + sendmsg->payload.userState->has_user_id = true; + sendmsg->payload.userState->user_id = client->sessionId; + sendmsg->payload.userState->name = strdup(client->playerName); + sendmsg->payload.userState->has_channel_id = true; + sendmsg->payload.userState->channel_id = ((channel_t *)client->channel)->id; + Client_send_message_except(client, sendmsg); - /* Player move for connecting user */ - if (((channel_t *)client->channel)->id != 0) { - sendmsg = Msg_create(PlayerMove); - sendmsg->sessionId = client->sessionId; - sendmsg->payload.playerMove.victim = client->playerId; - sendmsg->payload.playerMove.channel = ((channel_t *)client->channel)->id; - Client_send_message_except(client, sendmsg); - } client_itr = NULL; while (Client_iterate(&client_itr) != NULL) { if (!IS_AUTH(client_itr)) continue; - sendmsg = Msg_create(ServerJoin); - sendmsg->sessionId = client_itr->sessionId; - sendmsg->payload.serverJoin.id = client_itr->playerId; - strncpy(sendmsg->payload.serverJoin.playerName, client_itr->playerName, MAX_TEXT); - Client_send_message(client, sendmsg); - - sendmsg = Msg_create(PlayerMove); - sendmsg->sessionId = client_itr->sessionId; - sendmsg->payload.playerMove.victim = client_itr->playerId; - sendmsg->payload.playerMove.channel = ((channel_t *)client_itr->channel)->id; + sendmsg = Msg_create(UserState); + sendmsg->payload.userState->has_session = true; + sendmsg->payload.userState->session = client_itr->sessionId; + sendmsg->payload.userState->name = strdup(client_itr->playerName); + sendmsg->payload.userState->has_channel_id = true; + sendmsg->payload.userState->channel_id = ((channel_t *)client_itr->channel)->id; + + /* XXX - check if self_* is correct */ + if (client_itr->deaf) { + sendmsg->payload.userState->has_self_deaf = true; + sendmsg->payload.userState->self_deaf = true; + } + if (client_itr->mute) { + sendmsg->payload.userState->has_self_mute = true; + sendmsg->payload.userState->self_mute = true; + } Client_send_message(client, sendmsg); } - + + /* Sync message */ sendmsg = Msg_create(ServerSync); - sendmsg->sessionId = client->sessionId; - strcpy(sendmsg->payload.serverSync.welcomeText, getStrConf(WELCOMETEXT)); - sendmsg->payload.serverSync.maxBandwidth = getIntConf(MAX_BANDWIDTH); + sendmsg->payload.serverSync->has_session = true; + sendmsg->payload.serverSync->session = client->sessionId; + sendmsg->payload.serverSync->welcome_text = strdup(getStrConf(WELCOMETEXT)); + sendmsg->payload.serverSync->has_max_bandwidth = true; + sendmsg->payload.serverSync->max_bandwidth = getIntConf(MAX_BANDWIDTH); + sendmsg->payload.serverSync->has_allow_html = true; + sendmsg->payload.serverSync->allow_html = true; /* Support this? */ Client_send_message(client, sendmsg); - Log_info("Player %s authenticated", client->playerName); - + Log_info("User %s authenticated", client->playerName); break; - case PingStats: - client->cryptState.uiRemoteGood = msg->payload.pingStats.good; - client->cryptState.uiRemoteLate = msg->payload.pingStats.late; - client->cryptState.uiRemoteLost = msg->payload.pingStats.lost; - client->cryptState.uiRemoteResync = msg->payload.pingStats.resync; + case Ping: + if (msg->payload.ping->has_good) + client->cryptState.uiRemoteGood = msg->payload.ping->good; + if (msg->payload.ping->has_late) + client->cryptState.uiRemoteLate = msg->payload.ping->late; + if (msg->payload.ping->has_lost) + client->cryptState.uiRemoteLost = msg->payload.ping->lost; + if (msg->payload.ping->has_resync) + client->cryptState.uiRemoteResync = msg->payload.ping->resync; - Log_debug("Pingstats <-: %d %d %d %d", + Log_debug("Ping <-: %d %d %d %d", client->cryptState.uiRemoteGood, client->cryptState.uiRemoteLate, - client->cryptState.uiRemoteLost, client->cryptState.uiRemoteResync); + client->cryptState.uiRemoteLost, client->cryptState.uiRemoteResync + ); /* Ignoring the double values since they don't seem to be used */ - sendmsg = Msg_create(PingStats); - sendmsg->sessionId = client->sessionId; - sendmsg->payload.pingStats.timestamp = msg->payload.pingStats.timestamp; - - sendmsg->payload.pingStats.good = client->cryptState.uiGood; - sendmsg->payload.pingStats.late = client->cryptState.uiLate; - sendmsg->payload.pingStats.lost = client->cryptState.uiLost; - sendmsg->payload.pingStats.resync = client->cryptState.uiResync; + sendmsg = Msg_create(Ping); + + sendmsg->payload.ping->timestamp = msg->payload.ping->timestamp; + sendmsg->payload.ping->has_timestamp = true; + sendmsg->payload.ping->good = client->cryptState.uiGood; + sendmsg->payload.ping->has_good = true; + sendmsg->payload.ping->late = client->cryptState.uiLate; + sendmsg->payload.ping->has_late = true; + sendmsg->payload.ping->lost = client->cryptState.uiLost; + sendmsg->payload.ping->has_lost = true; + sendmsg->payload.ping->resync = client->cryptState.uiResync; + sendmsg->payload.ping->has_resync = true; + Client_send_message(client, sendmsg); - Log_debug("Pingstats ->: %d %d %d %d", + Log_debug("Ping ->: %d %d %d %d", client->cryptState.uiGood, client->cryptState.uiLate, client->cryptState.uiLost, client->cryptState.uiResync); break; - case Ping: - sendmsg = Msg_create(Ping); - sendmsg->sessionId = client->sessionId; - sendmsg->payload.ping.timestamp = msg->payload.ping.timestamp; - Client_send_message(client, sendmsg); - break; - case CryptSync: + case CryptSetup: Log_debug("Voice channel crypt resync requested"); - if (msg->payload.cryptSync.empty) { - sendmsg = Msg_create(CryptSync); - sendmsg->sessionId = msg->sessionId; - sendmsg->payload.cryptSync.empty = false; - memcpy(sendmsg->payload.cryptSync.nonce, client->cryptState.decrypt_iv, AES_BLOCK_SIZE); + if (!msg->payload.cryptSetup->has_client_nonce) { + sendmsg = Msg_create(CryptSetup); + sendmsg->payload.cryptSetup->has_server_nonce = true; + sendmsg->payload.cryptSetup->server_nonce.data = client->cryptState.decrypt_iv; + sendmsg->payload.cryptSetup->server_nonce.len = AES_BLOCK_SIZE; Client_send_message(client, sendmsg); } else { - memcpy(client->cryptState.decrypt_iv, msg->payload.cryptSync.nonce, AES_BLOCK_SIZE); + memcpy(client->cryptState.decrypt_iv, msg->payload.cryptSetup->client_nonce.data, AES_BLOCK_SIZE); client->cryptState.uiResync++; } break; - case PlayerMute: - if (msg->payload.playerMute.victim != client->playerId) { + case UserState: + /* Only allow state changes for for the self user */ + if (msg->payload.userState->has_session && + msg->payload.userState->session != client->sessionId) { sendPermissionDenied(client, "Permission denied"); - } else { - Log_debug("Player ID %d muted", msg->payload.playerMute.victim); - client->mute = msg->payload.playerMute.bMute; + break; } - break; - case PlayerDeaf: - if (msg->payload.playerDeaf.victim != client->playerId) { - sendPermissionDenied(client, "Permission denied"); - } else { - Log_debug("Player ID %d deaf", msg->payload.playerDeaf.victim); - client->deaf = msg->payload.playerDeaf.bDeaf; + if (msg->payload.userState->has_user_id || msg->payload.userState->has_mute || + msg->payload.userState->has_deaf || msg->payload.userState->has_suppress || + msg->payload.userState->has_texture) { + + sendPermissionDenied(client, "Not supported by uMurmur"); + break; } + if (msg->payload.userState->has_self_deaf) { + client->deaf = msg->payload.userState->self_deaf; + } + if (msg->payload.userState->has_self_mute) { + client->mute = msg->payload.userState->self_mute; + } + if (msg->payload.userState->has_channel_id) { + Chan_playerJoin_id(msg->payload.userState->channel_id, client); + } + /* Re-use message */ + Msg_inc_ref(msg); + msg->payload.userState->has_actor = true; + msg->payload.userState->actor = client->sessionId; + Client_send_message_except(NULL, msg); break; + case TextMessage: - if (msg->payload.textMessage.bTree) + msg->payload.textMessage->has_actor = true; + msg->payload.textMessage->actor = client->sessionId; + + /* XXX - Allow HTML stuff? */ + + if (msg->payload.textMessage->n_tree_id > 0) { sendPermissionDenied(client, "Tree message not supported"); - else if (msg->payload.textMessage.channel != -1) { /* To channel */ - channel_t *ch_itr = NULL; - do { - Chan_iterate(&ch_itr); - } while (ch_itr != NULL && ch_itr->id != msg->payload.textMessage.channel); - if (ch_itr == NULL) - Log_warn("Channel id %d not found - ignoring.", msg->payload.textMessage.channel); - else { - struct dlist *itr; - list_iterate(itr, &ch_itr->clients) { - client_t *c; - c = list_get_entry(itr, client_t, chan_node); - if (c != client && !c->deaf) { - Msg_inc_ref(msg); - Client_send_message(c, msg); - Log_debug("Text message to player ID %d", c->playerId); + break; + } + + if (msg->payload.textMessage->n_channel_id > 0) { /* To channel */ + int i; + channel_t *ch_itr; + for (i = 0; i < msg->payload.textMessage->n_channel_id; i++) { + ch_itr = NULL; + do { + Chan_iterate(&ch_itr); + } while (ch_itr != NULL && ch_itr->id != msg->payload.textMessage->channel_id[i]); + if (ch_itr == NULL) + Log_warn("Channel id %d not found - ignoring.", msg->payload.textMessage->channel_id[i]); + else { + struct dlist *itr; + list_iterate(itr, &ch_itr->clients) { + client_t *c; + c = list_get_entry(itr, client_t, chan_node); + if (c != client && !c->deaf) { + Msg_inc_ref(msg); + Client_send_message(c, msg); + Log_debug("Text message to session ID %d", c->sessionId); + } } } - } - } else { /* To player */ - client_t *itr = NULL; - while (Client_iterate(&itr) != NULL) { - if (!IS_AUTH(itr)) - continue; - if (itr->playerId == msg->payload.textMessage.victim) { - if (!itr->deaf) { - Msg_inc_ref(msg); - Client_send_message(itr, msg); + } /* for */ + } + if (msg->payload.textMessage->n_session > 0) { /* To user */ + int i; + client_t *itr; + for (i = 0; i < msg->payload.textMessage->n_session; i++) { + itr = NULL; + while (Client_iterate(&itr) != NULL) { + if (!IS_AUTH(itr)) + continue; + if (itr->sessionId == msg->payload.textMessage->session[i]) { + if (!itr->deaf) { + Msg_inc_ref(msg); + Client_send_message(itr, msg); + Log_debug("Text message to session ID %d", itr->sessionId); + } + break; } - break; } - } - if (itr == NULL) - Log_warn("TextMessage: Player ID %d not found", msg->payload.textMessage.victim); + if (itr == NULL) + Log_warn("TextMessage: Session ID %d not found", msg->payload.textMessage->session[i]); + } /* for */ } break; - case PlayerSelfMuteDeaf: - client->deaf = msg->payload.playerSelfMuteDeaf.bDeaf; - client->mute = msg->payload.playerSelfMuteDeaf.bMute; - Log_debug("Player ID %d %s and %s", client->playerId, client->deaf ? "deaf": "not deaf", - client->mute ? "mute" : "not mute"); + + case VoiceTarget: + /* XXX -TODO */ + break; + + case Version: + Log_debug("Version message received"); + if (msg->payload.version->has_version) { + client->version = msg->payload.version->version; + Log_debug("Client version 0x%x", client->version); + } + if (msg->payload.version->release) { + if (client->release) free(client->release); + client->release = strdup(msg->payload.version->release); + Log_debug("Client release %s", client->release); + } + if (msg->payload.version->os) { + if (client->os) free(client->os); + client->os = strdup(msg->payload.version->os); + Log_debug("Client OS %s", client->os); + } break; - case PlayerMove: + case PermissionQuery: Msg_inc_ref(msg); /* Re-use message */ - Client_send_message_except(NULL, msg); - Chan_playerJoin_id(msg->payload.playerMove.channel, client); + msg->payload.permissionQuery->has_permissions = true; + msg->payload.permissionQuery->permissions = PERM_DEFAULT; + + Client_send_message(client, msg); break; - + case UDPTunnel: + Client_voiceMsg(client, msg->payload.UDPTunnel->packet.data, msg->payload.UDPTunnel->packet.len); + break; /* Permission denied for all these messages. Not implemented. */ - case PlayerRename: - case ChannelAdd: - case ChannelDescUpdate: - case ContextAction: - case ContextAddAction: - case ServerBanList: - case PlayerKick: - case PlayerBan: case ChannelRemove: - case ChannelMove: - case ChannelLink: - case ChannelRename: - case EditACL: + case ChannelState: + case ContextAction: + case ContextActionAdd: + case ACL: + case BanList: sendPermissionDenied(client, "Not supported by uMurmur"); break; - - case PlayerTexture: /* Ignore */ - break; - + default: Log_warn("Message %d not handled", msg->messageType); break; @@ -349,3 +430,4 @@ disconnect: Msg_free(msg); Client_close(client); } +