X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=src%2Fmessagehandler.c;h=ba76ed68520befedf1c9e0088055a80e2938b5c4;hb=2ae1e3a1e414732354074d163ee074c24ec9d3bb;hp=a962cac477fb7484facd041d0433df6c72f153ed;hpb=ac258369305673f3d17322b845ad58f2b9f64100;p=umurmur.git

diff --git a/src/messagehandler.c b/src/messagehandler.c
index a962cac..ba76ed6 100644
--- a/src/messagehandler.c
+++ b/src/messagehandler.c
@@ -1,5 +1,5 @@
-/* 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.
 
@@ -29,17 +29,23 @@
    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)
 {
@@ -48,6 +54,8 @@ static void sendServerReject(client_t *client, const char *reason, MumbleProto__
 	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)
@@ -61,27 +69,25 @@ 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);
+		
+		if (IS_AUTH(client) || !msg->payload.authenticate->username) {
+			/* Authenticate message might be sent when a token is set by the user.*/
+			if (msg->payload.authenticate->n_tokens > 0) {
+				Log_debug("Tokens in auth message from %s", client->username);
+			}
+			break;
+		}
 		
 		client->authenticated = true;
 		
@@ -89,7 +95,7 @@ void Mh_handle_message(client_t *client, message_t *msg)
 		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");
@@ -97,12 +103,14 @@ void Mh_handle_message(client_t *client, message_t *msg)
 				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? */
@@ -121,11 +129,7 @@ void Mh_handle_message(client_t *client, message_t *msg)
 		}
 		
 		/* 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);
@@ -143,12 +147,38 @@ void Mh_handle_message(client_t *client, message_t *msg)
 		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;
@@ -157,24 +187,43 @@ void Mh_handle_message(client_t *client, message_t *msg)
 				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;
 		
@@ -186,17 +235,17 @@ void Mh_handle_message(client_t *client, message_t *msg)
 				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;
 			}
@@ -211,15 +260,13 @@ void Mh_handle_message(client_t *client, message_t *msg)
 		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)
@@ -237,10 +284,9 @@ void Mh_handle_message(client_t *client, message_t *msg)
 		/* 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;
@@ -256,13 +302,12 @@ void Mh_handle_message(client_t *client, message_t *msg)
 				  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 {
@@ -291,88 +336,235 @@ void Mh_handle_message(client_t *client, message_t *msg)
 			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;
 				
@@ -380,9 +572,12 @@ void Mh_handle_message(client_t *client, message_t *msg)
 		Log_warn("Message %d not handled", msg->messageType);
 		break;
 	}
+out:
 	Msg_free(msg);
 	return;
+	
 disconnect:
 	Msg_free(msg);
 	Client_close(client);
 }
+