-/* Copyright (C) 2009-2010, Martin Johansson <martin@fatbob.nu>
- Copyright (C) 2005-2010, Thorvald Natvig <thorvald@natvig.com>
+/* Copyright (C) 2009-2012, Martin Johansson <martin@fatbob.nu>
+ Copyright (C) 2005-2012, Thorvald Natvig <thorvald@natvig.com>
All rights reserved.
#include "pds.h"
#include "log.h"
+#define PREAMBLE_SIZE 6
-void dumpmsg(uint8_t *data, int size);
static message_t *Msg_create_nopayload(messageType_t messageType);
-void Msg_addPreamble(uint8_t *buffer, uint16_t type, uint32_t len)
-{
- type = htons(type);
- len = htonl(len);
-
- buffer[0] = (type) & 0xff;
- buffer[1] = (type >> 8) & 0xff;
+static void Msg_addPreamble(uint8_t *buffer, uint16_t type, uint32_t len)
+{
+ buffer[1] = (type) & 0xff;
+ buffer[0] = (type >> 8) & 0xff;
- buffer[2] = (len) & 0xff;
- buffer[3] = (len >> 8) & 0xff;
- buffer[4] = (len >> 16) & 0xff;
- buffer[5] = (len >> 24) & 0xff;
+ buffer[5] = (len) & 0xff;
+ buffer[4] = (len >> 8) & 0xff;
+ buffer[3] = (len >> 16) & 0xff;
+ buffer[2] = (len >> 24) & 0xff;
}
static void Msg_getPreamble(uint8_t *buffer, int *type, int *len)
uint16_t msgType;
uint32_t msgLen;
- msgType = buffer[0] | (buffer[1] << 8);
- msgLen = buffer[2] | (buffer[3] << 8) | (buffer[4] << 16) | (buffer[5] << 24);
- *type = (int)ntohs(msgType);
- *len = (int)ntohl(msgLen);
+ msgType = buffer[1] | (buffer[0] << 8);
+ msgLen = buffer[5] | (buffer[4] << 8) | (buffer[3] << 16) | (buffer[2] << 24);
+ *type = (int)msgType;
+ *len = (int)msgLen;
}
-#define MAX_MSGSIZE (BUFSIZE - 6)
+#define MAX_MSGSIZE (BUFSIZE - PREAMBLE_SIZE)
int Msg_messageToNetwork(message_t *msg, uint8_t *buffer)
{
int len;
- uint8_t *bufptr = buffer + 6;
+ uint8_t *bufptr = buffer + PREAMBLE_SIZE;
Log_debug("To net: msg type %d", msg->messageType);
switch (msg->messageType) {
break;
}
Msg_addPreamble(buffer, msg->messageType, len);
- Log_debug("To net: Version->release: %s Version->os: %s",
- msg->payload.version->release, msg->payload.version->os);
mumble_proto__version__pack(msg->payload.version, bufptr);
break;
case UDPTunnel: /* Non-standard handling of tunneled voice traffic. */
Log_warn("Too big tx message. Discarding");
break;
}
+ len = msg->payload.UDPTunnel->packet.len;
Msg_addPreamble(buffer, msg->messageType, msg->payload.UDPTunnel->packet.len);
memcpy(bufptr, msg->payload.UDPTunnel->packet.data, msg->payload.UDPTunnel->packet.len);
break;
Msg_addPreamble(buffer, msg->messageType, len);
mumble_proto__user_state__pack(msg->payload.userState, bufptr);
break;
+ case UserRemove:
+ len = mumble_proto__user_remove__get_packed_size(msg->payload.userRemove);
+ if (len > MAX_MSGSIZE) {
+ Log_warn("Too big tx message. Discarding");
+ break;
+ }
+ Msg_addPreamble(buffer, msg->messageType, len);
+ mumble_proto__user_remove__pack(msg->payload.userRemove, bufptr);
+ break;
case ChannelState:
len = mumble_proto__channel_state__get_packed_size(msg->payload.channelState);
if (len > MAX_MSGSIZE) {
Msg_addPreamble(buffer, msg->messageType, len);
mumble_proto__channel_remove__pack(msg->payload.channelRemove, bufptr);
break;
+ case UserStats:
+ {
+ len = mumble_proto__user_stats__get_packed_size(msg->payload.userStats);
+ if (len > MAX_MSGSIZE) {
+ Log_warn("Too big tx message. Discarding");
+ break;
+ }
+ Msg_addPreamble(buffer, msg->messageType, len);
+ mumble_proto__user_stats__pack(msg->payload.userStats, bufptr);
+ break;
+ }
+ case ServerConfig:
+ len = mumble_proto__server_config__get_packed_size(msg->payload.serverConfig);
+ if (len > MAX_MSGSIZE) {
+ Log_warn("Too big tx message. Discarding");
+ break;
+ }
+ Msg_addPreamble(buffer, msg->messageType, len);
+ mumble_proto__server_config__pack(msg->payload.serverConfig, bufptr);
+ break;
default:
- Log_warn("Unsupported message %d", msg->messageType);
+ Log_warn("Msg_MessageToNetwork: Unsupported message %d", msg->messageType);
return 0;
}
- return len + 6;
+ return len + PREAMBLE_SIZE;
}
-message_t *Msg_create_nopayload(messageType_t messageType)
+static message_t *Msg_create_nopayload(messageType_t messageType)
{
message_t *msg = malloc(sizeof(message_t));
msg->payload.channelRemove = malloc(sizeof(MumbleProto__ChannelRemove));
mumble_proto__channel_remove__init(msg->payload.channelRemove);
break;
+ case UserStats:
+ msg->payload.userStats = malloc(sizeof(MumbleProto__UserStats));
+ mumble_proto__user_stats__init(msg->payload.userStats);
+
+ msg->payload.userStats->from_client = malloc(sizeof(MumbleProto__UserStats__Stats));
+ mumble_proto__user_stats__stats__init(msg->payload.userStats->from_client);
+
+ msg->payload.userStats->from_server = malloc(sizeof(MumbleProto__UserStats__Stats));
+ mumble_proto__user_stats__stats__init(msg->payload.userStats->from_server);
+
+ msg->payload.userStats->version = malloc(sizeof(MumbleProto__Version));
+ mumble_proto__version__init(msg->payload.userStats->version);
+
+ if (!msg->payload.userStats || !msg->payload.userStats->from_client ||
+ !msg->payload.userStats->from_server || !msg->payload.userStats->version)
+ Log_fatal("Out of memory");
+ break;
+ case ServerConfig:
+ msg->payload.serverConfig = malloc(sizeof(MumbleProto__ServerConfig));
+ mumble_proto__server_config__init(msg->payload.serverConfig);
+ break;
default:
Log_warn("Msg_create: Unsupported message %d", msg->messageType);
if (msg->unpacked)
mumble_proto__text_message__free_unpacked(msg->payload.textMessage, NULL);
else {
+ if (msg->payload.textMessage->message)
+ free(msg->payload.textMessage->message);
+ if (msg->payload.textMessage->session)
+ free(msg->payload.textMessage->session);
+ if (msg->payload.textMessage->channel_id)
+ free(msg->payload.textMessage->channel_id);
+ if (msg->payload.textMessage->tree_id)
+ free(msg->payload.textMessage->tree_id);
free(msg->payload.textMessage);
}
break;
if (msg->unpacked)
mumble_proto__channel_state__free_unpacked(msg->payload.channelState, NULL);
else {
- free(msg->payload.channelState->name);
- free(msg->payload.channelState->description);
+ if (msg->payload.channelState->name)
+ free(msg->payload.channelState->name);
+ if (msg->payload.channelState->description)
+ free(msg->payload.channelState->description);
+ if (msg->payload.channelState->links)
+ free(msg->payload.channelState->links);
free(msg->payload.channelState);
}
break;
free(msg->payload.channelRemove);
}
break;
+ case UserStats:
+ if (msg->unpacked)
+ mumble_proto__user_stats__free_unpacked(msg->payload.userStats, NULL);
+ else {
+ if (msg->payload.userStats->from_client)
+ free(msg->payload.userStats->from_client);
+ if (msg->payload.userStats->from_server)
+ free(msg->payload.userStats->from_server);
+ if (msg->payload.userStats->version) {
+ if (msg->payload.userStats->version->release)
+ free(msg->payload.userStats->version->release);
+ if (msg->payload.userStats->version->os)
+ free(msg->payload.userStats->version->os);
+ if (msg->payload.userStats->version->os_version)
+ free(msg->payload.userStats->version->os_version);
+
+ free(msg->payload.userStats->version);
+ }
+ if (msg->payload.userStats->celt_versions)
+ free(msg->payload.userStats->celt_versions);
+ if (msg->payload.userStats->certificates) {
+ if (msg->payload.userStats->certificates->data)
+ free(msg->payload.userStats->certificates->data);
+ free(msg->payload.userStats->certificates);
+ }
+ if (msg->payload.userStats->address.data)
+ free(msg->payload.userStats->address.data);
+
+ free(msg->payload.userStats);
+ }
+ break;
+ case ServerConfig:
+ if (msg->unpacked)
+ mumble_proto__server_config__free_unpacked(msg->payload.serverConfig, NULL);
+ else {
+ free(msg->payload.serverConfig);
+ }
+ break;
default:
Log_warn("Msg_free: Unsupported message %d", msg->messageType);
free(msg);
}
-void dumpmsg(uint8_t *data, int size)
+message_t *Msg_CreateVoiceMsg(uint8_t *data, int size)
{
- int i, r = 0, offset = 0;
- char buf[512];
+ message_t *msg = NULL;
- while (r * 8 + i < size) {
- for (i = 0; i < 8 && r * 8 + i < size; i++) {
- offset += sprintf(buf + offset, "%x ", data[r * 8 + i]);
- }
- sprintf(buf + offset, "\n");
- printf(buf);
- offset = 0;
- r++;
- i = 0;
- }
+ msg = Msg_create_nopayload(UDPTunnel);
+ msg->unpacked = false;
+ msg->payload.UDPTunnel = malloc(sizeof(struct _MumbleProto__UDPTunnel));
+ if (msg->payload.UDPTunnel == NULL)
+ Log_fatal("Out of memory");
+ msg->payload.UDPTunnel->packet.data = malloc(size);
+ if (msg->payload.UDPTunnel->packet.data == NULL)
+ Log_fatal("Out of memory");
+ memcpy(msg->payload.UDPTunnel->packet.data, data, size);
+ msg->payload.UDPTunnel->packet.len = size;
+ return msg;
}
message_t *Msg_networkToMessage(uint8_t *data, int size)
msg = Msg_create_nopayload(Version);
msg->unpacked = true;
msg->payload.version = mumble_proto__version__unpack(NULL, msgLen, msgData);
+ if (msg->payload.version == NULL)
+ goto err_out;
break;
}
case UDPTunnel: /* Non-standard handling of tunneled voice data */
{
- msg = Msg_create_nopayload(UDPTunnel);
- msg->unpacked = false;
- msg->payload.UDPTunnel = malloc(sizeof(struct _MumbleProto__UDPTunnel));
- if (msg->payload.UDPTunnel == NULL)
- Log_fatal("Out of memory");
- msg->payload.UDPTunnel->packet.data = malloc(msgLen);
- if (msg->payload.UDPTunnel->packet.data == NULL)
- Log_fatal("Out of memory");
- memcpy(msg->payload.UDPTunnel->packet.data, msgData, msgLen);
- msg->payload.UDPTunnel->packet.len = msgLen;
+ msg = Msg_CreateVoiceMsg(msgData, msgLen);
break;
}
case Authenticate:
msg = Msg_create_nopayload(Authenticate);
msg->unpacked = true;
msg->payload.authenticate = mumble_proto__authenticate__unpack(NULL, msgLen, msgData);
+ if (msg->payload.authenticate == NULL)
+ goto err_out;
break;
}
case Ping:
msg = Msg_create_nopayload(Ping);
msg->unpacked = true;
msg->payload.ping = mumble_proto__ping__unpack(NULL, msgLen, msgData);
+ if (msg->payload.ping == NULL)
+ goto err_out;
break;
}
case Reject:
msg = Msg_create_nopayload(Reject);
msg->unpacked = true;
msg->payload.reject = mumble_proto__reject__unpack(NULL, msgLen, msgData);
+ if (msg->payload.reject == NULL)
+ goto err_out;
break;
}
case ServerSync:
msg = Msg_create_nopayload(ServerSync);
msg->unpacked = true;
msg->payload.serverSync = mumble_proto__server_sync__unpack(NULL, msgLen, msgData);
+ if (msg->payload.serverSync == NULL)
+ goto err_out;
break;
}
case TextMessage:
msg = Msg_create_nopayload(TextMessage);
msg->unpacked = true;
msg->payload.textMessage = mumble_proto__text_message__unpack(NULL, msgLen, msgData);
+ if (msg->payload.textMessage == NULL)
+ goto err_out;
break;
}
case PermissionDenied:
msg = Msg_create_nopayload(PermissionDenied);
msg->unpacked = true;
msg->payload.permissionDenied = mumble_proto__permission_denied__unpack(NULL, msgLen, msgData);
+ if (msg->payload.permissionDenied == NULL)
+ goto err_out;
break;
}
case CryptSetup:
msg = Msg_create_nopayload(CryptSetup);
msg->unpacked = true;
msg->payload.cryptSetup = mumble_proto__crypt_setup__unpack(NULL, msgLen, msgData);
+ if (msg->payload.cryptSetup == NULL)
+ goto err_out;
break;
}
case UserList:
msg = Msg_create_nopayload(UserList);
msg->unpacked = true;
msg->payload.userList = mumble_proto__user_list__unpack(NULL, msgLen, msgData);
+ if (msg->payload.userList == NULL)
+ goto err_out;
break;
}
case UserState:
msg = Msg_create_nopayload(UserState);
msg->unpacked = true;
msg->payload.userState = mumble_proto__user_state__unpack(NULL, msgLen, msgData);
+ if (msg->payload.userState == NULL)
+ goto err_out;
break;
}
case ChannelState:
msg = Msg_create_nopayload(ChannelState);
msg->unpacked = true;
msg->payload.channelState = mumble_proto__channel_state__unpack(NULL, msgLen, msgData);
+ if (msg->payload.channelState == NULL)
+ goto err_out;
break;
}
case VoiceTarget:
msg = Msg_create_nopayload(VoiceTarget);
msg->unpacked = true;
msg->payload.voiceTarget = mumble_proto__voice_target__unpack(NULL, msgLen, msgData);
+ if (msg->payload.voiceTarget == NULL)
+ goto err_out;
break;
}
case CodecVersion:
msg = Msg_create_nopayload(CodecVersion);
msg->unpacked = true;
msg->payload.codecVersion = mumble_proto__codec_version__unpack(NULL, msgLen, msgData);
+ if (msg->payload.codecVersion == NULL)
+ goto err_out;
break;
}
case PermissionQuery:
msg = Msg_create_nopayload(PermissionQuery);
msg->unpacked = true;
msg->payload.permissionQuery = mumble_proto__permission_query__unpack(NULL, msgLen, msgData);
+ if (msg->payload.permissionQuery == NULL)
+ goto err_out;
break;
}
case ChannelRemove:
msg = Msg_create_nopayload(ChannelRemove);
msg->unpacked = true;
msg->payload.channelRemove = mumble_proto__channel_remove__unpack(NULL, msgLen, msgData);
+ if (msg->payload.channelRemove == NULL)
+ goto err_out;
+ break;
+ }
+ case UserStats:
+ {
+ msg = Msg_create_nopayload(UserStats);
+ msg->unpacked = true;
+ msg->payload.userStats = mumble_proto__user_stats__unpack(NULL, msgLen, msgData);
+ if (msg->payload.userStats == NULL)
+ goto err_out;
+ break;
+ }
+ case UserRemove:
+ {
+ msg = Msg_create_nopayload(UserRemove);
+ msg->unpacked = true;
+ msg->payload.userRemove = mumble_proto__user_remove__unpack(NULL, msgLen, msgData);
+ if (msg->payload.userRemove == NULL)
+ goto err_out;
break;
}
break;
}
return msg;
+
+err_out:
+ free(msg);
+ return NULL;
}
projects / umurmur.git / blobdiff