-/* Copyright (C) 2009, Martin Johansson <martin@fatbob.nu>
- Copyright (C) 2005-2009, Thorvald Natvig <thorvald@natvig.com>
+/* Copyright (C) 2009-2014, Martin Johansson <martin@fatbob.nu>
+ Copyright (C) 2005-2014, Thorvald Natvig <thorvald@natvig.com>
All rights reserved.
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <string.h>
-#include <openssl/aes.h>
+#include <stdlib.h>
#include "log.h"
+#include "memory.h"
#include "list.h"
#include "client.h"
#include "messages.h"
+#include "messagehandler.h"
#include "crypt.h"
#include "channel.h"
#include "conf.h"
+#include "voicetarget.h"
+#include "ban.h"
+
+#define MAX_TEXT 512
+#define MAX_USERNAME 128
+
+#define NO_CELT_MESSAGE "<strong>WARNING:</strong> Your client doesn't support the CELT codec, you won't be able to talk to or hear most clients. Please make sure your client was built with CELT support."
+
extern channel_t *defaultChan;
+extern int iCodecAlpha, iCodecBeta;
+extern bool_t bPreferAlpha, bOpus;
+
+static bool_t fake_celt_support;
-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);
+
+ Log_info_client(client, "Server reject reason: %s", reason);
}
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);
}
+static void addTokens(client_t *client, message_t *msg)
+{
+ int i;
+ if (client->tokencount + msg->payload.authenticate->n_tokens < MAX_TOKENS) {
+ /* Check lengths first */
+ for (i = 0; i < msg->payload.authenticate->n_tokens; i++) {
+ if (strlen(msg->payload.authenticate->tokens[i]) > MAX_TOKENSIZE - 1) {
+ sendPermissionDenied(client, "Too long token");
+ return;
+ }
+ }
+
+ for (i = 0; i < msg->payload.authenticate->n_tokens; i++) {
+ Log_debug("Adding token '%s' to client '%s'", msg->payload.authenticate->tokens[i], client->username);
+ Client_token_add(client, msg->payload.authenticate->tokens[i]);
+ }
+ }
+ else
+ sendPermissionDenied(client, "Too many tokens");
+}
+
void Mh_handle_message(client_t *client, message_t *msg)
{
- message_t *sendmsg;
+ message_t *sendmsg = NULL;
channel_t *ch_itr = NULL;
- client_t *client_itr;
-
+ client_t *client_itr, *target;
+
+ if (!client->authenticated && !(msg->messageType == Authenticate ||
+ msg->messageType == Version)) {
+ goto out;
+ }
+
switch (msg->messageType) {
- case ServerAuthenticate:
- /*
- * 1. Check stuff, Serverreject if not ok
- * 2. Setup UDP encryption -> MessageCryptSetup
- * 3. (Enter channel)
- * 4. MessageChannelAdd + MessageChannelDescUpdate for all channels
- * 5. (MessageChannelLink)
- * 6. MessageServerJoin
- * 7. MessagePlayerMove
- * 8. MessageServerJoin for all connected users
- * 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);
+ case UDPTunnel:
+ case Ping:
+ case CryptSetup:
+ case VoiceTarget:
+ case UserStats:
+ case PermissionQuery:
+ break;
+ default:
+ Timer_restart(&client->idleTime);
+ }
+
+ switch (msg->messageType) {
+ case Authenticate:
+ Log_debug("Authenticate message received");
+
+ if (IS_AUTH(client) || !msg->payload.authenticate->username) {
+ /* Authenticate message might be sent when a tokens are changed by the user.*/
+ Client_token_free(client); /* Clear the token list */
+ if (msg->payload.authenticate->n_tokens > 0) {
+ Log_debug("Tokens in auth message from '%s'. n_tokens = %d", client->username,
+ msg->payload.authenticate->n_tokens);
+ addTokens(client, msg);
+ }
+ break;
+ }
+
+ if (SSLi_getSHA1Hash(client->ssl, client->hash) && Ban_isBanned(client)) {
+ char hexhash[41];
+ SSLi_hash2hex(client->hash, hexhash);
+ Log_info("Client with hash '%s' is banned. Disconnecting", hexhash);
goto disconnect;
}
-
+
+ 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->username && strncmp(client_itr->username, msg->payload.authenticate->username, MAX_USERNAME) == 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) {
- char buf[64];
- sprintf(buf, "Wrong server password");
- sendServerReject(client, buf, WrongServerPW);
- goto disconnect;
- }
-
- if (strlen(msg->payload.serverAuthenticate.userName) == 0) { /* XXX - other invalid names? */
+ if (strlen(getStrConf(PASSPHRASE)) > 0) {
+ if (!msg->payload.authenticate->password ||
+ (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, MUMBLE_PROTO__REJECT__REJECT_TYPE__WrongServerPW);
+ Log_debug("Wrong server password: '%s'", msg->payload.authenticate->password != NULL ?
+ msg->payload.authenticate->password : "(null)");
+ goto disconnect;
+ }
+ }
+ if (strlen(msg->payload.authenticate->username) == 0 ||
+ strlen(msg->payload.authenticate->username) >= MAX_USERNAME) { /* 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);
+ snprintf(buf, 64, "Server is full (max %d users)", getIntConf(MAX_CLIENTS));
+ 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 */
-
+ /* Name */
+ client->username = strdup(msg->payload.authenticate->username);
+
+ /* Tokens */
+ if (msg->payload.authenticate->n_tokens > 0)
+ addTokens(client, msg);
+
+ /* Check if admin PW among tokens */
+ if (strlen(getStrConf(ADMIN_PASSPHRASE)) > 0 &&
+ Client_token_match(client, getStrConf(ADMIN_PASSPHRASE))) {
+ client->isAdmin = true;
+ Log_info_client(client, "User provided admin password");
+ }
+
/* 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 */
+ Chan_userJoin(defaultChan, client); /* Join default channel */
+
+ /* Codec version */
+ 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;
+ codec_t *codec_itr;
+ client->codec_count = msg->payload.authenticate->n_celt_versions;
+
+ for (i = 0; i < client->codec_count; i++)
+ Client_codec_add(client, msg->payload.authenticate->celt_versions[i]);
+ codec_itr = NULL;
+ while (Client_codec_iterate(client, &codec_itr) != NULL)
+ Log_debug("Client %d CELT codec ver 0x%x", client->sessionId, codec_itr->codec);
+
+ } else {
+ Client_codec_add(client, (int32_t)0x8000000b);
+ client->codec_count = 1;
+ fake_celt_support = true;
+ }
+ if (msg->payload.authenticate->opus)
+ client->bOpus = true;
+
+ recheckCodecVersions(client);
+
+ sendmsg = Msg_create(CodecVersion);
+ sendmsg->payload.codecVersion->alpha = iCodecAlpha;
+ sendmsg->payload.codecVersion->beta = iCodecBeta;
+ sendmsg->payload.codecVersion->prefer_alpha = bPreferAlpha;
+ sendmsg->payload.codecVersion->has_opus = true;
+ sendmsg->payload.codecVersion->opus = bOpus;
+ Client_send_message(client, sendmsg);
+
+ if (!bOpus && client->bOpus && fake_celt_support) {
+ Client_textmessage(client, NO_CELT_MESSAGE);
+ }
/* 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);
+ while (Chan_iterate(&ch_itr) != NULL) {
+ 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 (ch_itr->desc)
+ sendmsg->payload.channelState->description = strdup(ch_itr->desc);
+ if (ch_itr->position != 0) {
+ sendmsg->payload.channelState->has_position = true;
+ sendmsg->payload.channelState->position = ch_itr->position;
+ }
+ 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 */
+ /* Iterate channels and send channel links info */
+ ch_itr = NULL;
+ while (Chan_iterate(&ch_itr) != NULL) {
+ if (ch_itr->linkcount > 0) { /* Has links */
+ uint32_t *links;
+ int i = 0;
+ struct dlist *itr;
- /* 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);
- Client_send_message_except(client, sendmsg);
+ sendmsg = Msg_create(ChannelState);
+ sendmsg->payload.channelState->has_channel_id = true;
+ sendmsg->payload.channelState->channel_id = ch_itr->id;
+ sendmsg->payload.channelState->n_links = ch_itr->linkcount;
- /* 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);
+ links = (uint32_t*)Memory_safeMalloc(
+ ch_itr->linkcount,
+ sizeof(uint32_t));
+ list_iterate(itr, &ch_itr->channel_links) { /* Iterate links */
+ channellist_t *chl;
+ channel_t *ch;
+ chl = list_get_entry(itr, channellist_t, node);
+ ch = chl->chan;
+ links[i++] = ch->id;
+ }
+ sendmsg->payload.channelState->links = links;
+ Client_send_message(client, sendmsg);
+ }
}
+
+ /* 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->name = strdup(client->username);
+ sendmsg->payload.userState->has_channel_id = true;
+ sendmsg->payload.userState->channel_id = client->channel->id;
+
+ if (defaultChan->silent) {
+ sendmsg->payload.userState->has_suppress = true;
+ sendmsg->payload.userState->suppress = true;
+ }
+
+ 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->username);
+ sendmsg->payload.userState->has_channel_id = true;
+ sendmsg->payload.userState->channel_id = client_itr->channel->id;
+ sendmsg->payload.userState->has_suppress = client_itr->channel->silent;
+ sendmsg->payload.userState->suppress = client_itr->channel->silent;
+
+ client_itr->isSuppressed = client_itr->channel->silent;
+
+ if (client_itr->self_deaf) {
+ sendmsg->payload.userState->has_self_deaf = true;
+ sendmsg->payload.userState->self_deaf = true;
+ }
+ if (client_itr->self_mute) {
+ sendmsg->payload.userState->has_self_mute = true;
+ sendmsg->payload.userState->self_mute = true;
+ }
+ if (client_itr->deaf) {
+ sendmsg->payload.userState->has_deaf = true;
+ sendmsg->payload.userState->deaf = true;
+ }
+ if (client_itr->mute) {
+ sendmsg->payload.userState->has_mute = true;
+ sendmsg->payload.userState->mute = true;
+ }
+ if (client_itr->recording) {
+ sendmsg->payload.userState->has_recording = true;
+ sendmsg->payload.userState->recording = 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);
Client_send_message(client, sendmsg);
-
- Log_info("Player %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;
-
- Log_debug("Pingstats <-: %d %d %d %d",
- client->cryptState.uiRemoteGood, client->cryptState.uiRemoteLate,
- 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;
-
+
+ /* Server config message */
+ sendmsg = Msg_create(ServerConfig);
+ sendmsg->payload.serverConfig->has_allow_html = true;
+ sendmsg->payload.serverConfig->allow_html = true; /* Support this? */
+ sendmsg->payload.serverConfig->has_message_length = true;
+ sendmsg->payload.serverConfig->message_length = MAX_TEXT; /* Hardcoded */
+ sendmsg->payload.serverConfig->has_image_message_length = true;
+ sendmsg->payload.serverConfig->image_message_length = 0; /* XXX */
Client_send_message(client, sendmsg);
- Log_debug("Pingstats ->: %d %d %d %d",
- client->cryptState.uiGood, client->cryptState.uiLate,
- client->cryptState.uiLost, client->cryptState.uiResync);
+ Log_info_client(client, "User %s authenticated", client->username);
break;
+
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("Ping <-: %d %d %d %d",
+ client->cryptState.uiRemoteGood, client->cryptState.uiRemoteLate,
+ client->cryptState.uiRemoteLost, client->cryptState.uiRemoteResync
+ );
+
+ client->UDPPingAvg = msg->payload.ping->udp_ping_avg;
+ client->UDPPingVar = msg->payload.ping->udp_ping_var;
+ client->TCPPingAvg = msg->payload.ping->tcp_ping_avg;
+ client->TCPPingVar = msg->payload.ping->tcp_ping_var;
+ client->UDPPackets = msg->payload.ping->udp_packets;
+ client->TCPPackets = msg->payload.ping->tcp_packets;
+
sendmsg = Msg_create(Ping);
- sendmsg->sessionId = client->sessionId;
- sendmsg->payload.ping.timestamp = msg->payload.ping.timestamp;
+
+ 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("Ping ->: %d %d %d %d",
+ client->cryptState.uiGood, client->cryptState.uiLate,
+ client->cryptState.uiLost, client->cryptState.uiResync);
+
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:
+ target = NULL;
+ /* Only allow state changes for for the self user unless an admin is issuing */
+ if (msg->payload.userState->has_session &&
+ msg->payload.userState->session != client->sessionId && !client->isAdmin) {
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_session && msg->payload.userState->session != client->sessionId) {
+ target = Client_find_by_session(msg->payload.userState->session);
+
+ if (target == NULL) {
+ Log_warn("Client with sessionID %d not found", msg->payload.userState->session);
+ break;
+ }
+ }
+
+ if (msg->payload.userState->has_user_id || msg->payload.userState->has_suppress ||
+ msg->payload.userState->has_priority_speaker || msg->payload.userState->has_texture) {
+ sendPermissionDenied(client, "Not supported by uMurmur");
+ break;
+ }
+
+ if (target == NULL)
+ target = client;
+
+ msg->payload.userState->has_session = true;
+ msg->payload.userState->session = target->sessionId;
+ msg->payload.userState->has_actor = true;
+ msg->payload.userState->actor = client->sessionId;
+
+ if (msg->payload.userState->has_deaf) {
+ target->deaf = msg->payload.userState->deaf;
+ if (target->deaf) {
+ msg->payload.userState->has_mute = true;
+ msg->payload.userState->mute = true;
+ }
+ }
+ if (msg->payload.userState->has_mute) {
+ target->mute = msg->payload.userState->mute;
+ if (!target->mute) {
+ msg->payload.userState->has_deaf = true;
+ msg->payload.userState->deaf = false;
+ target->deaf = false;
+ }
+ }
+ if (msg->payload.userState->has_self_deaf) {
+ client->self_deaf = msg->payload.userState->self_deaf;
+ if (client->self_deaf) {
+ msg->payload.userState->has_self_mute = true;
+ msg->payload.userState->self_mute = true;
+ }
+ }
+ if (msg->payload.userState->has_self_mute) {
+ client->self_mute = msg->payload.userState->self_mute;
+ if (!client->self_mute) {
+ msg->payload.userState->has_self_deaf = true;
+ msg->payload.userState->self_deaf = false;
+ client->self_deaf = false;
+ }
}
+ if (msg->payload.userState->has_recording &&
+ msg->payload.userState->recording != client->recording) {
+ client->recording = msg->payload.userState->recording;
+ char *message;
+ uint32_t *tree_id;
+
+ message = Memory_safeMalloc(1, strlen(client->username) + 32);
+ tree_id = Memory_safeMalloc(1, sizeof(uint32_t));
+ *tree_id = 0;
+ sendmsg = Msg_create(TextMessage);
+ sendmsg->payload.textMessage->message = message;
+ sendmsg->payload.textMessage->n_tree_id = 1;
+ sendmsg->payload.textMessage->tree_id = tree_id;
+ if (client->recording)
+ sprintf(message, "User %s started recording", client->username);
+ else
+ sprintf(message, "User %s stopped recording", client->username);
+ Client_send_message_except_ver(NULL, sendmsg, ~0x010203);
+ sendmsg = NULL;
+ }
+ if (msg->payload.userState->has_channel_id) {
+ int leave_id;
+
+ channelJoinResult_t result = Chan_userJoin_id_test(msg->payload.userState->channel_id, target);
+
+ if (result.CHJOIN_NOENTER || result.CHJOIN_NOTFOUND)
+ break;
+
+ if (result.CHJOIN_WRONGPW) {
+ if (target == client && !client->isAdmin) {
+ sendPermissionDenied(client, "Wrong channel password");
+ break;
+ }
+ /* Tricky one: if user hasn't the password, but is moved to the channel by admin then let
+ * the user in. Also let admin user in regardless of channel password.
+ * Take no action on other errors.
+ */
+ else if (!client->isAdmin)
+ break;
+ }
+
+ leave_id = Chan_userJoin_id(msg->payload.userState->channel_id, target);
+ if (leave_id > 0) {
+ Log_debug("Removing channel ID %d", leave_id);
+ sendmsg = Msg_create(ChannelRemove);
+ sendmsg->payload.channelRemove->channel_id = leave_id;
+ }
+
+ if (result.CHJOIN_SILENT) {
+ if (!target->isSuppressed) {
+ msg->payload.userState->has_suppress = true;
+ msg->payload.userState->suppress = true;
+ target->isSuppressed = true;
+ }
+ }
+ else if (target->isSuppressed) {
+ msg->payload.userState->has_suppress = true;
+ msg->payload.userState->suppress = false;
+ target->isSuppressed = false;
+ }
+ }
+ if (msg->payload.userState->has_plugin_context) {
+ free(client->context);
+ client->context = Memory_safeMalloc(1, msg->payload.userState->plugin_context.len);
+ memcpy(client->context, msg->payload.userState->plugin_context.data,
+ msg->payload.userState->plugin_context.len);
+
+ break; /* Don't inform other users about this state */
+ }
+ /* Re-use message */
+ Msg_inc_ref(msg);
+
+ Client_send_message_except(NULL, msg);
+
+ /* Need to send remove channel message _after_ UserState message */
+ if (sendmsg != NULL)
+ Client_send_message_except(NULL, sendmsg);
break;
+
case TextMessage:
- if (msg->payload.textMessage.bTree)
+ if (!getBoolConf(ALLOW_TEXTMESSAGE))
+ break;
+ msg->payload.textMessage->has_actor = true;
+ msg->payload.textMessage->actor = client->sessionId;
+
+ /* XXX - HTML is allowed and can't be turned off */
+ 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) {
+ 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 && !c->self_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);
- }
- break;
+ } /* 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 = Client_find_by_session(msg->payload.textMessage->session[i]);
+
+ if (itr == NULL)
+ Log_warn("TextMessage: Session ID %d not found", msg->payload.textMessage->session[i]);
+ else if (IS_AUTH(itr) && !itr->deaf && !itr->self_deaf) {
+ Msg_inc_ref(msg);
+ Client_send_message(itr, msg);
+ Log_debug("Text message to session ID %d", itr->sessionId);
}
+ } /* for */
+ }
+ break;
+
+ case VoiceTarget:
+ {
+ int i, j, count, targetId = msg->payload.voiceTarget->id;
+ struct _MumbleProto__VoiceTarget__Target *target;
+
+ if (!targetId || targetId >= 0x1f)
+ break;
+ Voicetarget_add_id(client, targetId);
+ count = msg->payload.voiceTarget->n_targets;
+ if (!count)
+ break;
+ for (i = 0; i < count; i++) {
+ target = msg->payload.voiceTarget->targets[i];
+ for (j = 0; j < target->n_session; j++)
+ Voicetarget_add_session(client, targetId, target->session[j]);
+ if (target->has_channel_id) {
+ bool_t linked = false, children = false;
+ if (target->has_links)
+ linked = target->links;
+ if (target->has_children)
+ children = target->children;
+ Voicetarget_add_channel(client, targetId, target->channel_id, linked, children);
}
- if (itr == NULL)
- Log_warn("TextMessage: Player ID %d not found", msg->payload.textMessage.victim);
}
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 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) {
+ free(client->release);
+ client->release = strdup(msg->payload.version->release);
+ Log_debug("Client release %s", client->release);
+ }
+ if (msg->payload.version->os) {
+ free(client->os);
+ client->os = strdup(msg->payload.version->os);
+ Log_debug("Client OS %s", client->os);
+ }
+ if (msg->payload.version->os_version) {
+ free(client->os_version);
+ client->os_version = strdup(msg->payload.version->os_version);
+ Log_debug("Client OS version %s", client->os_version);
+ }
break;
- case PlayerMove:
+ case PermissionQuery:
Msg_inc_ref(msg); /* Re-use message */
+ msg->payload.permissionQuery->has_permissions = true;
+
+ if (client->isAdmin)
+ msg->payload.permissionQuery->permissions = PERM_ADMIN;
+ else
+ msg->payload.permissionQuery->permissions = PERM_DEFAULT;
+
+ if (!getBoolConf(ALLOW_TEXTMESSAGE))
+ msg->payload.permissionQuery->permissions &= ~PERM_TEXTMESSAGE;
+ if (!getBoolConf(ENABLE_BAN))
+ msg->payload.permissionQuery->permissions &= ~PERM_BAN;
+
+ Client_send_message(client, msg);
+ break;
+ case UDPTunnel:
+ client->bUDP = false;
+ Client_voiceMsg(client, msg->payload.UDPTunnel->packet.data, msg->payload.UDPTunnel->packet.len);
+ break;
+ case ChannelState:
+ {
+ channel_t *ch_itr, *parent, *newchan;
+ int leave_id;
+ /* Don't allow any changes to existing channels */
+ if (msg->payload.channelState->has_channel_id) {
+ sendPermissionDenied(client, "Not supported by uMurmur");
+ break;
+ }
+ /* Must have parent */
+ if (!msg->payload.channelState->has_parent) {
+ sendPermissionDenied(client, "Not supported by uMurmur");
+ break;
+ }
+ /* Must have name */
+ if (msg->payload.channelState->name == NULL) {
+ sendPermissionDenied(client, "Not supported by uMurmur");
+ break;
+ }
+ /* Must be temporary channel */
+ if (msg->payload.channelState->temporary != true) {
+ sendPermissionDenied(client, "Only temporary channels are supported by uMurmur");
+ break;
+ }
+ /* Check channel name is OK */
+ if (strlen(msg->payload.channelState->name) > MAX_TEXT) {
+ sendPermissionDenied(client, "Channel name too long");
+ break;
+ }
+
+ parent = Chan_fromId(msg->payload.channelState->parent);
+ if (parent == NULL)
+ break;
+ ch_itr = NULL;
+ while (Chan_iterate_siblings(parent, &ch_itr) != NULL) {
+ if (strcmp(ch_itr->name, msg->payload.channelState->name) == 0) {
+ sendPermissionDenied(client, "Channel already exists");
+ break;
+ }
+ }
+ if (ch_itr != NULL)
+ break;
+
+ /* Disallow temporary channels as siblings to temporary channels */
+ if (parent->temporary) {
+ sendPermissionDenied(client, "Parent channel is temporary channel");
+ break;
+ }
+
+ /* XXX - Murmur looks for "\\w" and sends perm denied if not found.
+ * I don't know why so I don't do that here...
+ */
+
+ /* Create the channel */
+ newchan = Chan_createChannel(msg->payload.channelState->name,
+ msg->payload.channelState->description);
+ newchan->temporary = true;
+ if (msg->payload.channelState->has_position)
+ newchan->position = msg->payload.channelState->position;
+ Chan_addChannel(parent, newchan);
+ msg->payload.channelState->has_channel_id = true;
+ msg->payload.channelState->channel_id = newchan->id;
+ Msg_inc_ref(msg);
Client_send_message_except(NULL, msg);
- Chan_playerJoin_id(msg->payload.playerMove.channel, client);
+
+ /* Join the creating user */
+ sendmsg = Msg_create(UserState);
+ sendmsg->payload.userState->has_session = true;
+ sendmsg->payload.userState->session = client->sessionId;
+ sendmsg->payload.userState->has_channel_id = true;
+ sendmsg->payload.userState->channel_id = newchan->id;
+
+ if (client->isSuppressed) {
+ sendmsg->payload.userState->has_suppress = true;
+ sendmsg->payload.userState->suppress = false;
+ client->isSuppressed = false;
+ }
+
+ Client_send_message_except(NULL, sendmsg);
+
+ leave_id = Chan_userJoin(newchan, client);
+ if (leave_id > 0) {
+ Log_debug("Removing channel ID %d", leave_id);
+ sendmsg = Msg_create(ChannelRemove);
+ sendmsg->payload.channelRemove->channel_id = leave_id;
+ Client_send_message_except(NULL, sendmsg);
+ }
+ }
+ break;
+
+ case UserStats:
+ {
+ client_t *target = NULL;
+ codec_t *codec_itr = NULL;
+ int i;
+ bool_t details = true;
+
+ if (msg->payload.userStats->has_stats_only)
+ details = !msg->payload.userStats->stats_only;
+
+ if (!msg->payload.userStats->has_session)
+ sendPermissionDenied(client, "Not supported by uMurmur");
+
+ target = Client_find_by_session(msg->payload.userStats->session);
+
+ if (!target) /* Not found */
+ break;
+
+ if (!IS_AUTH(target)) /* Not authenticated. */
+ break;
+
+ /*
+ * Differences from Murmur:
+ * o Ignoring certificates intentionally
+ * o Ignoring channel local determining
+ */
+
+ sendmsg = Msg_create(UserStats);
+ sendmsg->payload.userStats->session = msg->payload.userStats->session;
+ sendmsg->payload.userStats->from_client->has_good = true;
+ sendmsg->payload.userStats->from_client->good = target->cryptState.uiGood;
+ sendmsg->payload.userStats->from_client->has_late = true;
+ sendmsg->payload.userStats->from_client->late = target->cryptState.uiLate;
+ sendmsg->payload.userStats->from_client->has_lost = true;
+ sendmsg->payload.userStats->from_client->lost = target->cryptState.uiLost;
+ sendmsg->payload.userStats->from_client->has_resync = true;
+ sendmsg->payload.userStats->from_client->resync = target->cryptState.uiResync;
+
+ sendmsg->payload.userStats->from_server->has_good = true;
+ sendmsg->payload.userStats->from_server->good = target->cryptState.uiRemoteGood;
+ sendmsg->payload.userStats->from_server->has_late = true;
+ sendmsg->payload.userStats->from_server->late = target->cryptState.uiRemoteLate;
+ sendmsg->payload.userStats->from_server->has_lost = true;
+ sendmsg->payload.userStats->from_server->lost = target->cryptState.uiRemoteLost;
+ sendmsg->payload.userStats->from_server->has_resync = true;
+ sendmsg->payload.userStats->from_server->resync = target->cryptState.uiRemoteResync;
+
+ sendmsg->payload.userStats->has_udp_packets = true;
+ sendmsg->payload.userStats->udp_packets = target->UDPPackets;
+ sendmsg->payload.userStats->has_udp_ping_avg = true;
+ sendmsg->payload.userStats->udp_ping_avg = target->UDPPingAvg;
+ sendmsg->payload.userStats->has_udp_ping_var = true;
+ sendmsg->payload.userStats->udp_ping_var = target->UDPPingVar;
+
+ sendmsg->payload.userStats->has_tcp_ping_avg = true;
+ sendmsg->payload.userStats->tcp_ping_avg = target->TCPPingAvg;
+ sendmsg->payload.userStats->has_tcp_ping_var = true;
+ sendmsg->payload.userStats->tcp_ping_var = target->TCPPingVar;
+ sendmsg->payload.userStats->has_tcp_packets = true;
+ sendmsg->payload.userStats->tcp_packets = target->TCPPackets;
+
+ if (details) {
+
+ sendmsg->payload.userStats->version->has_version = true;
+ sendmsg->payload.userStats->version->version = target->version;
+ if (target->release)
+ sendmsg->payload.userStats->version->release = strdup(target->release);
+ if (target->os)
+ sendmsg->payload.userStats->version->os = strdup(target->os);
+ if (target->os_version)
+ sendmsg->payload.userStats->version->os_version = strdup(target->os_version);
+
+ sendmsg->payload.userStats->n_celt_versions = target->codec_count;
+ sendmsg->payload.userStats->celt_versions
+ = Memory_safeMalloc(target->codec_count, sizeof(int32_t));
+ i = 0;
+ while (Client_codec_iterate(target, &codec_itr) != NULL)
+ sendmsg->payload.userStats->celt_versions[i++] = codec_itr->codec;
+
+ sendmsg->payload.userStats->has_opus = true;
+ sendmsg->payload.userStats->opus = target->bOpus;
+
+ /* Address */
+ if (getBoolConf(SHOW_ADDRESSES)) {
+ sendmsg->payload.userStats->has_address = true;
+ sendmsg->payload.userStats->address.data
+ = Memory_safeMalloc(16, sizeof(uint8_t));
+ memset(sendmsg->payload.userStats->address.data, 0, 16);
+ /* ipv4 representation as ipv6 address. Supposedly correct. */
+ memset(&sendmsg->payload.userStats->address.data[10], 0xff, 2); /* IPv4 */
+ if(target->remote_tcp.ss_family == AF_INET)
+ memcpy(&sendmsg->payload.userStats->address.data[12], &((struct sockaddr_in*)&target->remote_tcp)->sin_addr, 4);
+ else
+ memcpy(&sendmsg->payload.userStats->address.data[0], &((struct sockaddr_in6*)&target->remote_tcp)->sin6_addr, 16);
+ sendmsg->payload.userStats->address.len = 16;
+ } else {
+ sendmsg->payload.userStats->has_address = false;
+ }
+ }
+ /* BW */
+ sendmsg->payload.userStats->has_bandwidth = true;
+ sendmsg->payload.userStats->bandwidth = target->availableBandwidth;
+
+ /* Onlinesecs */
+ sendmsg->payload.userStats->has_onlinesecs = true;
+ sendmsg->payload.userStats->onlinesecs = Timer_elapsed(&target->connectTime) / 1000000LL;
+ /* Idlesecs */
+ sendmsg->payload.userStats->has_idlesecs = true;
+ sendmsg->payload.userStats->idlesecs = Timer_elapsed(&target->idleTime) / 1000000LL;
+ Client_send_message(client, sendmsg);
+ }
+ break;
+ case UserRemove:
+ target = NULL;
+ /* Only admin can issue this */
+ if (!client->isAdmin) {
+ sendPermissionDenied(client, "Permission denied");
+ break;
+ }
+
+ target = Client_find_by_session(msg->payload.userRemove->session);
+
+ if (target == NULL) {
+ Log_warn("Client with sessionId %d not found", msg->payload.userRemove->session);
+ break;
+ }
+ msg->payload.userRemove->session = target->sessionId;
+ msg->payload.userRemove->has_actor = true;
+ msg->payload.userRemove->actor = client->sessionId;
+
+ if (msg->payload.userRemove->has_ban && msg->payload.userRemove->ban) {
+ if (!getBoolConf(ENABLE_BAN))
+ sendPermissionDenied(client, "Permission denied");
+ else
+ Ban_UserBan(target, msg->payload.userRemove->reason);
+ } else {
+ Log_info_client(target, "User kicked. Reason: '%s'",
+ strlen(msg->payload.userRemove->reason) == 0 ? "N/A" : msg->payload.userRemove->reason);
+ }
+ /* Re-use message */
+ Msg_inc_ref(msg);
+
+ Client_send_message_except(NULL, msg);
+ Client_close(target);
+ break;
+ case BanList:
+ /* Only admin can issue this */
+ if (!client->isAdmin) {
+ sendPermissionDenied(client, "Permission denied");
+ break;
+ }
+ if (!getBoolConf(ENABLE_BAN)) {
+ sendPermissionDenied(client, "Permission denied");
+ break;
+ }
+ if (msg->payload.banList->has_query && msg->payload.banList->query) {
+ /* Create banlist message and add banentrys */
+ sendmsg = Ban_getBanList();
+ Client_send_message(client, sendmsg);
+ } else {
+ /* Clear banlist and set the new one */
+ Ban_clearBanList();
+ Ban_putBanList(msg, msg->payload.banList->n_bans);
+ }
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 ContextAction:
+ case ContextActionAdd:
+ case ACL:
+ case UserList:
+ case QueryUsers:
sendPermissionDenied(client, "Not supported by uMurmur");
break;
-
- case PlayerTexture: /* Ignore */
- break;
-
+
default:
Log_warn("Message %d not handled", msg->messageType);
break;
}
+out:
Msg_free(msg);
return;
+
disconnect:
Msg_free(msg);
Client_close(client);
}
+
projects / umurmur.git / blobdiff