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Merge branch 'master' of https://github.com/irungentoo/toxcore into split-video

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notsecure 2014-07-10 10:34:48 -04:00
commit a754cb5437
4 changed files with 121 additions and 6 deletions
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4
README.md
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@ -3,7 +3,7 @@
With the rise of governmental monitoring programs, Tox, a FOSS initiative, aims to be an easy to use, all-in-one communication platform that ensures their users full privacy and secure message delivery.<br /> <br />
[**Website**](https://tox.im) **|** [**Wiki**](https://wiki.tox.im/) **|** [**Blog**](https://blog.libtoxcore.so/) **|** [**FAQ**](http://wiki.tox.im/FAQ) **|** [**Binaries**](https://wiki.tox.im/Binaries) **|** [**Clients**](https://wiki.tox.im/Client) **|** [**Compiling**](https://wiki.tox.im/Installing) **|** [**API**](https://libtoxcore.so/) **|** **IRC:** #tox@freenode
[**Website**](https://tox.im) **|** [**Download**](https://wiki.tox.im/Binaries) **|** [**Wiki**](https://wiki.tox.im/) **|** [**Blog**](https://blog.libtoxcore.so/) **|** [**FAQ**](http://wiki.tox.im/FAQ) **|** [**Binaries**](https://wiki.tox.im/Binaries) **|** [**Clients**](https://wiki.tox.im/Client) **|** [**Compiling**](https://wiki.tox.im/Installing) **|** [**API**](https://libtoxcore.so/) **|** **IRC:** #tox@freenode
## The Complex Stuff:
@ -33,7 +33,7 @@ The goal of this project is to create a configuration-free P2P Skype replacement
## Documentation:
- [Installation](/INSTALL.md)
- [Compiling](/INSTALL.md)
- [DHT Protocol](https://wiki.tox.im/index.php/DHT)<br />
- [Lossless UDP Protocol](https://wiki.tox.im/index.php/Lossless_UDP)<br />
- [Crypto](https://wiki.tox.im/index.php/Crypto)<br />

98
other/fun/bootstrap_node_info.py Normal file
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@ -0,0 +1,98 @@
#!/usr/bin/env python
"""
Copyright (c) 2014 by nurupo <nurupo.contributions@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
"""
from socket import *
import sys
if sys.version_info[0] == 2:
print("This script requires Python 3+ in order to run.")
sys.exit(1)
def printHelp():
print("Usage: " + sys.argv[0] + " <ipv4|ipv6> <ip/hostname> <port>")
print(" Example: " + sys.argv[0] + " ipv4 192.210.149.121 33445")
print(" Example: " + sys.argv[0] + " ipv4 23.226.230.47 33445")
print(" Example: " + sys.argv[0] + " ipv4 biribiri.org 33445")
print(" Example: " + sys.argv[0] + " ipv4 cerberus.zodiaclabs.org 33445")
print(" Example: " + sys.argv[0] + " ipv6 2604:180:1::3ded:b280 33445")
print("")
print("Return values:")
print(" 0 - received info reply from a node")
print(" 1 - incorrect command line arguments")
print(" 2 - didn't receive any reply from a node")
print(" 3 - received a malformed/unexpected reply")
if len(sys.argv) != 4:
printHelp()
sys.exit(1)
protocol = sys.argv[1]
ip = sys.argv[2]
port = int(sys.argv[3])
INFO_PACKET_ID = b"\xF0" # https://github.com/irungentoo/toxcore/blob/4940c4c62b6014d1f0586aa6aca7bf6e4ecfcf29/toxcore/network.h#L128
INFO_REQUEST_PACKET_LENGTH = 78 # https://github.com/irungentoo/toxcore/blob/881b2d900d1998981fb6b9938ec66012d049635f/other/bootstrap_node_packets.c#L28
# first byte is INFO_REQUEST_ID, other bytes don't matter as long as reqest's length matches INFO_REQUEST_LENGTH
INFO_REQUEST_PACKET = INFO_PACKET_ID + ( b"0" * (INFO_REQUEST_PACKET_LENGTH - len(INFO_PACKET_ID)) )
PACKET_ID_LENGTH = len(INFO_PACKET_ID)
VERSION_LENGTH = 4 # https://github.com/irungentoo/toxcore/blob/881b2d900d1998981fb6b9938ec66012d049635f/other/bootstrap_node_packets.c#L44
MAX_MOTD_LENGTH = 256 # https://github.com/irungentoo/toxcore/blob/881b2d900d1998981fb6b9938ec66012d049635f/other/bootstrap_node_packets.c#L26
MAX_INFO_RESPONSE_PACKET_LENGTH = PACKET_ID_LENGTH + VERSION_LENGTH + MAX_MOTD_LENGTH
SOCK_TIMEOUT_SECONDS = 1.0
sock = None
if protocol == "ipv4":
sock = socket(AF_INET, SOCK_DGRAM)
elif protocol == "ipv6":
sock = socket(AF_INET6, SOCK_DGRAM)
else:
print("Invalid first argument")
printHelp()
sys.exit(1)
sock.sendto(INFO_REQUEST_PACKET, (ip, port))
sock.settimeout(SOCK_TIMEOUT_SECONDS)
try:
data, addr = sock.recvfrom(MAX_INFO_RESPONSE_PACKET_LENGTH)
except timeout:
print("The DHT bootstrap node didn't reply in " + str(SOCK_TIMEOUT_SECONDS) + " sec.")
print("The likely reason for that is that the DHT bootstrap node is either offline or has no info set.")
sys.exit(2)
packetId = data[:PACKET_ID_LENGTH]
if packetId != INFO_PACKET_ID:
print("Bad response, first byte should be", INFO_PACKET_ID, "but got", packetId, "(", data, ")")
print("Are you sure that you are pointing the script at a Tox DHT bootstrap node and that the script is up to date?")
sys.exit(3)
version = int.from_bytes(data[PACKET_ID_LENGTH:PACKET_ID_LENGTH + VERSION_LENGTH], byteorder='big')
motd = data[PACKET_ID_LENGTH + VERSION_LENGTH:].decode("utf-8")
print("Version: " + str(version))
print("MOTD: " + motd)
sys.exit(0)

24
toxcore/TCP_client.c
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@ -197,6 +197,8 @@ void routing_status_handler(TCP_Client_Connection *con, int (*status_callback)(v
con->status_callback_object = object;
}
static int send_ping_response(TCP_Client_Connection *con);
/* return 1 on success.
* return 0 if could not send packet.
* return -1 on failure.
@ -209,6 +211,9 @@ int send_data(TCP_Client_Connection *con, uint8_t con_id, const uint8_t *data, u
if (con->connections[con_id].status != 2)
return -1;
if (send_ping_response(con) == 0)
return 0;
uint8_t packet[1 + length];
packet[0] = con_id + NUM_RESERVED_PORTS;
memcpy(packet + 1, data, length);
@ -293,12 +298,21 @@ static int send_ping_request(TCP_Client_Connection *con, uint64_t ping_id)
* return 0 if could not send packet.
* return -1 on failure (connection must be killed).
*/
static int send_ping_response(TCP_Client_Connection *con, uint64_t ping_id)
static int send_ping_response(TCP_Client_Connection *con)
{
if (!con->ping_response_id)
return 1;
uint8_t packet[1 + sizeof(uint64_t)];
packet[0] = TCP_PACKET_PONG;
memcpy(packet + 1, &ping_id, sizeof(uint64_t));
return write_packet_TCP_secure_connection(con, packet, sizeof(packet));
memcpy(packet + 1, &con->ping_response_id, sizeof(uint64_t));
int ret;
if ((ret = write_packet_TCP_secure_connection(con, packet, sizeof(packet))) == 1) {
con->ping_response_id = 0;
}
return ret;
}
/* return 1 on success.
@ -468,7 +482,8 @@ static int handle_TCP_packet(TCP_Client_Connection *conn, const uint8_t *data, u
uint64_t ping_id;
memcpy(&ping_id, data + 1, sizeof(uint64_t));
send_ping_response(conn, ping_id);
conn->ping_response_id = ping_id;
send_ping_response(conn);
return 0;
}
@ -523,6 +538,7 @@ static int handle_TCP_packet(TCP_Client_Connection *conn, const uint8_t *data, u
static int do_confirmed_TCP(TCP_Client_Connection *conn)
{
send_pending_data(conn);
send_ping_response(conn);
uint8_t packet[MAX_PACKET_SIZE];
int len;

1
toxcore/TCP_client.h
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@ -57,6 +57,7 @@ typedef struct {
uint64_t last_pinged;
uint64_t ping_id;
uint64_t ping_response_id;
void *net_crypto_pointer;
uint32_t net_crypto_location;
struct {