-/* Copyright (C) 2009-2011, Martin Johansson <martin@fatbob.nu>
- Copyright (C) 2005-2011, Thorvald Natvig <thorvald@natvig.com>
+/* Copyright (C) 2009-2013, Martin Johansson <martin@fatbob.nu>
+ Copyright (C) 2005-2013, Thorvald Natvig <thorvald@natvig.com>
All rights reserved.
#include "channel.h"
#include "version.h"
#include "voicetarget.h"
+#include "ban.h"
extern char system_string[], version_string[];
declare_list(clients);
static int clientcount; /* = 0 */
static int maxBandwidth;
+bool_t bOpus = true;
int iCodecAlpha, iCodecBeta;
bool_t bPreferAlpha;
void Client_janitor()
{
- struct dlist *itr;
+ struct dlist *itr, *save;
int bwTop = maxBandwidth + maxBandwidth / 4;
- list_iterate(itr, &clients) {
+ list_iterate_safe(itr, save, &clients) {
client_t *c;
c = list_get_entry(itr, client_t, node);
Log_debug("Client %s BW available %d", c->username, c->availableBandwidth);
if (c->availableBandwidth > bwTop)
c->availableBandwidth = bwTop;
- if (Timer_isElapsed(&c->lastActivity, 1000000LL * INACTICITY_TIMEOUT)) {
+ if (Timer_isElapsed(&c->lastActivity, 1000000LL * INACTIVITY_TIMEOUT)) {
/* No activity from client - assume it is lost and close. */
Log_info_client(c, "Timeout, closing.");
Client_free(c);
}
}
+ Ban_pruneBanned();
}
void Client_codec_add(client_t *client, int codec)
return cd;
}
-void recheckCodecVersions()
+void Client_token_add(client_t *client, char *token_string)
+{
+ token_t *token;
+
+ if (client->tokencount >= MAX_TOKENS)
+ return;
+ token = malloc(sizeof(token_t));
+ if (token == NULL)
+ Log_fatal("Out of memory");
+ init_list_entry(&token->node);
+ token->token = strdup(token_string);
+ if (token->token == NULL)
+ Log_fatal("Out of memory");
+ list_add_tail(&token->node, &client->tokens);
+ client->tokencount++;
+}
+
+bool_t Client_token_match(client_t *client, char *str)
+{
+ token_t *token;
+ struct dlist *itr;
+
+ if (list_empty(&client->tokens))
+ return false;
+ list_iterate(itr, &client->tokens) {
+ token = list_get_entry(itr, token_t, node);
+ if (strncasecmp(token->token, str, MAX_TOKENSIZE) == 0)
+ return true;
+ }
+ return false;
+}
+
+void Client_token_free(client_t *client)
+{
+ struct dlist *itr, *save;
+ token_t *token;
+
+ list_iterate_safe(itr, save, &client->tokens) {
+ token = list_get_entry(itr, token_t, node);
+ list_del(&token->node);
+ free(token->token);
+ free(token);
+ }
+ client->tokencount = 0;
+}
+
+
+#define OPUS_WARN_USING "<strong>WARNING:</strong> Your client doesn't support the Opus codec the server is using, you won't be able to talk or hear anyone. Please upgrade your Mumble client."
+#define OPUS_WARN_SWITCHING "<strong>WARNING:</strong> Your client doesn't support the Opus codec the server is switching to, you won't be able to talk or hear anyone. Please upgrade your Mumble client."
+void recheckCodecVersions(client_t *connectingClient)
{
client_t *client_itr = NULL;
int max = 0, version, current_version;
+ int users = 0, opus = 0;
message_t *sendmsg;
struct dlist codec_list, *itr, *save;
codec_t *codec_itr, *cd;
bool_t found;
-
+ bool_t enableOpus;
+
init_list_entry(&codec_list);
while (Client_iterate(&client_itr) != NULL) {
codec_itr = NULL;
+ if (client_itr->codec_count == 0 && !client_itr->bOpus)
+ continue;
while (Client_codec_iterate(client_itr, &codec_itr) != NULL) {
- found = false;
+ found = false;
list_iterate(itr, &codec_list) {
cd = list_get_entry(itr, codec_t, node);
if (cd->codec == codec_itr->codec) {
list_add_tail(&cd->node, &codec_list);
}
}
+ users++;
+ if (client_itr->bOpus)
+ opus++;
}
-
+ if (users == 0)
+ return;
+
+ enableOpus = ((opus * 100 / users) >= getIntConf(OPUS_THRESHOLD));
+
list_iterate(itr, &codec_list) {
cd = list_get_entry(itr, codec_t, node);
if (cd->count > max) {
list_del(&list_get_entry(itr, codec_t, node)->node);
free(list_get_entry(itr, codec_t, node));
}
-
+
current_version = bPreferAlpha ? iCodecAlpha : iCodecBeta;
- if (current_version == version)
+ if (current_version != version) {
+ // If we don't already use the compat bitstream version set
+ // it as alpha and announce it. If another codec now got the
+ // majority set it as the opposite of the currently valid bPreferAlpha
+ // and announce it.
+ if (version == (uint32_t)0x8000000b)
+ bPreferAlpha = true;
+ else
+ bPreferAlpha = !bPreferAlpha;
+
+ if (bPreferAlpha)
+ iCodecAlpha = version;
+ else
+ iCodecBeta = version;
+ } else if (bOpus && enableOpus) {
+ if (connectingClient && !connectingClient->bOpus)
+ Client_textmessage(connectingClient, OPUS_WARN_USING);
return;
- // If we don't already use the compat bitstream version set
- // it as alpha and announce it. If another codec now got the
- // majority set it as the opposite of the currently valid bPreferAlpha
- // and announce it.
- if (version == (uint32_t)0x8000000b)
- bPreferAlpha = true;
- else
- bPreferAlpha = ! bPreferAlpha;
+ }
- if (bPreferAlpha)
- iCodecAlpha = version;
- else
- iCodecBeta = version;
-
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 = enableOpus;
+
Client_send_message_except(NULL, sendmsg);
- Log_info("CELT codec switch 0x%x 0x%x (prefer 0x%x)", iCodecAlpha, iCodecBeta,
- bPreferAlpha ? iCodecAlpha : iCodecBeta);
+ if (enableOpus && !bOpus) {
+ client_itr = NULL;
+ while (Client_iterate(&client_itr) != NULL) {
+ if ((client_itr->authenticated || client_itr == connectingClient) &&
+ !client_itr->bOpus) {
+ Client_textmessage(client_itr, OPUS_WARN_SWITCHING);
+ }
+ }
+ Log_info("OPUS codec %s", bOpus ? "enabled" : "disabled");
+ }
+ bOpus = enableOpus;
}
static int findFreeSessionId()
{
client_t *newclient;
message_t *sendmsg;
-
+
+ if (Ban_isBannedAddr((in_addr_t *)&remote->sin_addr)) {
+ Log_info("Address %s banned. Disconnecting", inet_ntoa(remote->sin_addr));
+ return -1;
+ }
newclient = malloc(sizeof(client_t));
if (newclient == NULL)
Log_fatal("Out of memory");
init_list_entry(&newclient->node);
init_list_entry(&newclient->voicetargets);
init_list_entry(&newclient->codecs);
+ init_list_entry(&newclient->tokens);
list_add_tail(&newclient->node, &clients);
clientcount++;
{
struct dlist *itr, *save;
message_t *sendmsg;
+ bool_t authenticatedLeft = client->authenticated;
if (client->authenticated) {
int leave_id;
}
Client_codec_free(client);
Voicetarget_free_all(client);
+ Client_token_free(client);
list_del(&client->node);
if (client->ssl)
if (client->context)
free(client->context);
free(client);
+
+ if (authenticatedLeft)
+ recheckCodecVersions(NULL); /* Can use better codec now? */
}
void Client_close(client_t *client)
break;
}
}
- if (client == NULL)
- Log_fatal("No client found for fd %d", fd);
-
- return Client_read(client);
+ if (client != NULL)
+ return Client_read(client);
+ else
+ return -1;
}
int Client_read(client_t *client)
client->readBlockedOnWrite = true;
return 0;
}
- else if (SSLi_get_error(client->ssl, rc) == SSLI_ERROR_ZERO_RETURN) {
+ else if (SSLi_get_error(client->ssl, rc) == SSLI_ERROR_ZERO_RETURN ||
+ SSLi_get_error(client->ssl, rc) == 0) {
Log_info_client(client, "Connection closed by peer");
- if (!client->shutdown_wait)
- Client_close(client);
+ Client_close(client);
}
else {
if (SSLi_get_error(client->ssl, rc) == SSLI_ERROR_SYSCALL) {
- Log_info_client(client, "Connection closed by peer");
+ if (errno == 0)
+ Log_info_client(client, "Connection closed by peer");
+ else
+ Log_info_client(client,"Error: %s - Closing connection (code %d)",
+ strerror(errno));
+ }
+ else if (SSLi_get_error(client->ssl, rc) == SSLI_ERROR_CONNRESET) {
+ Log_info_client(client, "Connection reset by peer");
}
else {
Log_info_client(client, "SSL error: %d - Closing connection", SSLi_get_error(client->ssl, rc));
break;
}
}
- if (client == NULL)
- Log_fatal("No client found for fd %d", fd);
- Client_write(client);
- return 0;
+ if (client != NULL)
+ return Client_write(client);
+ else
+ return -1;
}
int Client_write(client_t *client)
return 0;
}
else {
- if (SSLi_get_error(client->ssl, rc) == SSLI_ERROR_SYSCALL)
- Log_warn("Client_write: Error: %s - Closing connection", strerror(errno));
- else
- Log_warn("Client_write: SSL error: %d - Closing connection.", SSLi_get_error(client->ssl, rc));
+ if (SSLi_get_error(client->ssl, rc) == SSLI_ERROR_SYSCALL) {
+ Log_info_client(client, "Error: %s - Closing connection", strerror(errno));
+ }
+ else if (SSLi_get_error(client->ssl, rc) == SSLI_ERROR_CONNRESET) {
+ Log_info_client(client, "Connection reset by peer");
+ }
+ else {
+ Log_info_client(client, "SSL error: %d - Closing connection.", SSLi_get_error(client->ssl, rc));
+ }
Client_free(client);
return -1;
}
return c;
}
+void Client_textmessage(client_t *client, char *text)
+{
+ char *message;
+ uint32_t *tree_id;
+ message_t *sendmsg = NULL;
+
+ message = malloc(strlen(text) + 1);
+ if (!message)
+ Log_fatal("Out of memory");
+ tree_id = malloc(sizeof(uint32_t));
+ if (!tree_id)
+ Log_fatal("Out of memory");
+ *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;
+ strcpy(message, text);
+ Client_send_message(client, sendmsg);
+}
+
int Client_send_message_except(client_t *client, message_t *msg)
{
case UDPVoiceSpeex:
case UDPVoiceCELTAlpha:
case UDPVoiceCELTBeta:
+ if (bOpus)
+ break;
+ case UDPVoiceOpus:
Client_voiceMsg(itr, buffer, len);
break;
case UDPPing:
static inline void Client_send_voice(client_t *src, client_t *dst, uint8_t *data, int len, int poslen)
{
- if (IS_AUTH(dst) && dst != src && !dst->deaf) {
+ if (IS_AUTH(dst) && dst != src && !dst->deaf && !dst->self_deaf) {
if (poslen > 0 && /* Has positional data */
src->context != NULL && dst->context != NULL && /* ...both source and destination has context */
strcmp(src->context, dst->context) == 0) /* ...and the contexts match */
pds_t *pds = Pds_create(buffer + 1, UDP_PACKET_SIZE - 1);
unsigned int type = data[0] & 0xe0;
unsigned int target = data[0] & 0x1f;
- unsigned int poslen, counter;
+ unsigned int poslen, counter, size;
int offset, packetsize;
voicetarget_t *vt;
channel_t *ch = (channel_t *)client->channel;
struct dlist *itr;
- if (!client->authenticated || client->mute)
+ if (!client->authenticated || client->mute || client->self_mute)
goto out;
packetsize = 20 + 8 + 4 + len;
client->availableBandwidth -= packetsize;
Timer_restart(&client->idleTime);
+ Timer_restart(&client->lastActivity);
counter = Pds_get_numval(pdi); /* step past session id */
- do {
- counter = Pds_next8(pdi);
- offset = Pds_skip(pdi, counter & 0x7f);
- } while ((counter & 0x80) && offset > 0);
-
+ if ((type >> 5) != UDPVoiceOpus) {
+ do {
+ counter = Pds_next8(pdi);
+ offset = Pds_skip(pdi, counter & 0x7f);
+ } while ((counter & 0x80) && offset > 0);
+ } else {
+ size = Pds_get_numval(pdi);
+ Pds_skip(pdi, size & 0x1fff);
+ }
+
poslen = pdi->maxsize - pdi->offset; /* For stripping of positional info */
Pds_add_numval(pds, client->sessionId);
projects / umurmur.git / blobdiff