-/* Copyright (C) 2009, Martin Johansson <martin@fatbob.nu>
- Copyright (C) 2005-2009, Thorvald Natvig <thorvald@natvig.com>
+/* Copyright (C) 2009-2010, Martin Johansson <martin@fatbob.nu>
+ Copyright (C) 2005-2010, 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 "list.h"
#include "client.h"
#include "messages.h"
+#include "messagehandler.h"
#include "crypt.h"
#include "channel.h"
#include "conf.h"
+#include "voicetarget.h"
+
+#define MAX_TEXT 512
extern channel_t *defaultChan;
+extern int iCodecAlpha, iCodecBeta;
+extern bool_t bPreferAlpha;
static void sendServerReject(client_t *client, const char *reason, MumbleProto__Reject__RejectType type)
{
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)
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;
-
+
+ if (!client->authenticated && !(msg->messageType == Authenticate ||
+ msg->messageType == Version)) {
+ goto out;
+ }
switch (msg->messageType) {
case Authenticate:
- /*
- * 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
- */
Log_debug("Authenticate message received");
Log_debug("Username: %s", msg->payload.authenticate->username);
while (Client_iterate(&client_itr) != NULL) {
if (!IS_AUTH(client_itr))
continue;
- if (strncmp(client_itr->playerName, msg->payload.authenticate->username, MAX_TEXT) == 0) {
+ if (client_itr->username && strncmp(client_itr->username, msg->payload.authenticate->username, MAX_TEXT) == 0) {
char buf[64];
sprintf(buf, "Username already in use");
Log_debug("Username already in use");
goto disconnect;
}
}
- if (msg->payload.authenticate->password && strncmp(getStrConf(PASSPHRASE), msg->payload.authenticate->password, MAX_TEXT) != 0) {
- char buf[64];
- sprintf(buf, "Wrong server password");
- Log_debug("Wrong server password: %s", msg->payload.authenticate->password);
- sendServerReject(client, buf, MUMBLE_PROTO__REJECT__REJECT_TYPE__WrongServerPW);
- goto disconnect;
+ if (strlen(getStrConf(PASSPHRASE)) > 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, MUMBLE_PROTO__REJECT__REJECT_TYPE__WrongServerPW);
+ Log_debug("Wrong server password: %s", msg->payload.authenticate->password);
+ goto disconnect;
+ }
}
if (strlen(msg->payload.authenticate->username) == 0 ||
strlen(msg->payload.authenticate->username) >= MAX_TEXT) { /* XXX - other invalid names? */
}
/* Name & password */
- strncpy(client->playerName, msg->payload.authenticate->username, MAX_TEXT);
- client->playerId = client->sessionId;
-
-
- /* XXX - Kick ghost? */
+ client->username = strdup(msg->payload.authenticate->username);
/* Setup UDP encryption */
CryptState_init(&client->cryptState);
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)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 {
+ 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;
sendmsg->payload.channelState->parent = ch_itr->parent->id;
}
sendmsg->payload.channelState->name = strdup(ch_itr->name);
- if (strlen(ch_itr->desc) > 0) {
+ if (ch_itr->desc)
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);
+ Client_send_message(client, sendmsg);
+ }
- /* Not supporting channel links yet */
+ /* 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;
+
+ 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;
+
+ links = (uint32_t *)malloc(ch_itr->linkcount * sizeof(uint32_t));
+ list_iterate(itr, &ch_itr->channel_links) { /* Iterate links */
+ channel_t *ch;
+ ch = list_get_entry(itr, channel_t, link_node);
+ 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->has_user_id = true;
- sendmsg->payload.userState->user_id = client->playerId;
- sendmsg->payload.userState->name = strdup(client->playerName);
+ sendmsg->payload.userState->user_id = client->sessionId;
+ sendmsg->payload.userState->name = strdup(client->username);
sendmsg->payload.userState->has_channel_id = true;
sendmsg->payload.userState->channel_id = ((channel_t *)client->channel)->id;
continue;
sendmsg = Msg_create(UserState);
sendmsg->payload.userState->has_session = true;
- sendmsg->payload.userState->session = client->sessionId;
- sendmsg->payload.userState->name = strdup(client->playerName);
+ 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 = ((channel_t *)client->channel)->id;
+ sendmsg->payload.userState->channel_id = ((channel_t *)client_itr->channel)->id;
- /* XXX - check if self_* is correct */
- if (client->deaf) {
+ /* Only self_mute/deaf supported */
+ if (client_itr->deaf) {
sendmsg->payload.userState->has_self_deaf = true;
sendmsg->payload.userState->self_deaf = true;
}
- if (client->mute) {
+ if (client_itr->mute) {
sendmsg->payload.userState->has_self_mute = true;
sendmsg->payload.userState->self_mute = true;
}
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 = false; /* Support this? */
+ sendmsg->payload.serverSync->allow_html = true; /* Support this? */
Client_send_message(client, sendmsg);
- Log_info("User %s authenticated", client->playerName);
+ Log_info_client(client, "User %s authenticated", client->username);
break;
case Ping:
- {
- uint64_t timestamp;
if (msg->payload.ping->has_good)
client->cryptState.uiRemoteGood = msg->payload.ping->good;
if (msg->payload.ping->has_late)
/* Ignoring the double values since they don't seem to be used */
sendmsg = Msg_create(Ping);
- timestamp = msg->payload.ping->timestamp;
- sendmsg->payload.ping->timestamp = 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;
client->cryptState.uiLost, client->cryptState.uiResync);
break;
- }
case CryptSetup:
Log_debug("Voice channel crypt resync requested");
if (!msg->payload.cryptSetup->has_client_nonce) {
sendmsg = Msg_create(CryptSetup);
sendmsg->payload.cryptSetup->has_server_nonce = true;
- memcpy(sendmsg->payload.cryptSetup->server_nonce.data, client->cryptState.decrypt_iv, AES_BLOCK_SIZE);
+ 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 {
client->mute = msg->payload.userState->self_mute;
}
if (msg->payload.userState->has_channel_id) {
- Chan_playerJoin_id(msg->payload.userState->channel_id, client);
+ int leave_id;
+ if (!Chan_userJoin_id_test(msg->payload.userState->channel_id))
+ break;
+ leave_id = Chan_userJoin_id(msg->payload.userState->channel_id, client);
+ if (leave_id > 0) {
+ Log_debug("Removing channel ID %d", leave_id);
+ sendmsg = Msg_create(ChannelRemove);
+ sendmsg->payload.channelRemove->channel_id = leave_id;
+ }
+ }
+ if (msg->payload.userState->plugin_context != NULL) {
+ if (client->context)
+ free(client->context);
+ client->context = strdup(msg->payload.userState->plugin_context);
+ if (client->context == NULL)
+ Log_fatal("Out of memory");
+
+ break; /* Don't inform other users about this state */
}
+
/* 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);
+
+ /* Need to send remove channel message _after_ UserState message */
+ if (sendmsg != NULL)
+ Client_send_message_except(NULL, sendmsg);
break;
case TextMessage:
-#if 0
- if (msg->payload.textMessage.bTree)
+ 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) {
+ 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;
-#endif
case VoiceTarget:
- /* XXX -TODO */
- break;
+ {
+ 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);
+ }
+ }
+ break;
+ }
case Version:
- sendmsg = Msg_create(Version); /* Re-use message */
Log_debug("Version message received");
- sendmsg->payload.version->has_version = true;
- sendmsg->payload.version->version = (1 << 16) | (2 << 8) | 0; /* XXX fix */
- sendmsg->payload.version->release = "Phony donkey";
- sendmsg->payload.version->os = "OpenWRT";
-
- Client_send_message(client, sendmsg);
+ 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 CodecVersion:
+ case PermissionQuery:
Msg_inc_ref(msg); /* Re-use message */
-
- /* XXX - fill in version */
+ msg->payload.permissionQuery->has_permissions = true;
+ msg->payload.permissionQuery->permissions = PERM_DEFAULT;
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;
+ 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);
+
+ /* 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;
+ 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;
+
/* Permission denied for all these messages. Not implemented. */
case ChannelRemove:
- case ChannelState:
case ContextAction:
case ContextActionAdd:
case ACL:
case BanList:
+ case UserList:
+ case QueryUsers:
sendPermissionDenied(client, "Not supported by uMurmur");
break;
Log_warn("Message %d not handled", msg->messageType);
break;
}
+out:
Msg_free(msg);
return;
+
disconnect:
Msg_free(msg);
Client_close(client);
}
+