server: ipv6 support

This commit is contained in:
Astro 2014-12-13 00:09:40 +01:00
parent 79068a49cf
commit d79bf92db0
4 changed files with 39 additions and 14 deletions

View File

@ -4,6 +4,9 @@
var querystring = require('querystring')
exports.IPV4_RE = /^[\d\.]+$/
exports.IPV6_RE = /^[\da-fA-F:]+$/
exports.NUM_ANNOUNCE_PEERS = 50
exports.MAX_ANNOUNCE_PEERS = 82

View File

@ -2,7 +2,7 @@ module.exports = parseHttpRequest
var common = require('./common')
var REMOVE_IPV6_RE = /^::ffff:/
var REMOVE_IPV4_MAPPED_IPV6_RE = /^::ffff:/
function parseHttpRequest (req, options) {
var s = req.url.split('?')
@ -30,8 +30,8 @@ function parseHttpRequest (req, options) {
params.ip = options.trustProxy
? req.headers['x-forwarded-for'] || req.connection.remoteAddress
: req.connection.remoteAddress.replace(REMOVE_IPV6_RE, '') // force ipv4
params.addr = params.ip + ':' + params.port // TODO: ipv6 brackets?
: req.connection.remoteAddress.replace(REMOVE_IPV4_MAPPED_IPV6_RE, '') // force ipv4
params.addr = (common.IPV6_RE.test(params.ip) ? '[' + params.ip + ']' : params.ip) + ':' + params.port
} else if (s[0] === '/scrape') { // unofficial scrape message
params.action = common.ACTIONS.SCRAPE

View File

@ -94,7 +94,10 @@ Server.prototype.listen = function (port, onlistening) {
function onPort (err, port) {
if (err) return self.emit('error', err)
self.port = port
self._httpServer && self._httpServer.listen(port.http || port)
// ATTENTION:
// binding to :: only receives IPv4 connections if the bindv6only
// sysctl is set 0, which is the default on many operating systems.
self._httpServer && self._httpServer.listen(port.http || port, '::')
self._udpServer && self._udpServer.bind(port.udp || port)
}
@ -208,11 +211,23 @@ Server.prototype._onAnnounce = function (params, cb) {
if (response) {
if (!response.action) response.action = common.ACTIONS.ANNOUNCE
if (!response.intervalMs) response.intervalMs = self._intervalMs
if (params.compact === 1) {
response.peers = string2compact(response.peers.map(function (peer) {
return peer.ip + ':' + peer.port // TODO: ipv6 brackets
var peers = response.peers
// Find IPv4 peers
response.peers = string2compact(peers.filter(function (peer) {
return common.IPV4_RE.test(peer.ip)
}).map(function (peer) {
return peer.ip + ':' + peer.port
}))
// Find IPv6 peers
response.peers6 = string2compact(peers.filter(function (peer) {
return common.IPV6_RE.test(peer.ip)
}).map(function (peer) {
return '[' + peer.ip + ']:' + peer.port
}))
}
// IPv6 peers are not separate for non-compact responses
}
cb(err, response)
})

View File

@ -7,11 +7,14 @@ var peerId = new Buffer('01234567890123456789')
var peerId2 = new Buffer('12345678901234567890')
var torrentLength = 50000
function serverTest (t, serverType) {
function serverTest (t, serverType, serverFamily) {
t.plan(26)
var opts = serverType === 'http' ? { udp: false } : { http: false }
var server = new Server(opts)
var serverAddr = serverFamily === 'inet6' ? '[::1]' : '127.0.0.1'
var clientAddr = serverFamily === 'inet6' ? '[::1]' : '127.0.0.1'
var clientIp = serverFamily === 'inet6' ? '::1' : '127.0.0.1'
server.on('error', function (err) {
t.fail(err.message)
@ -26,7 +29,7 @@ function serverTest (t, serverType) {
})
server.listen(function (port) {
var announceUrl = serverType + '://127.0.0.1:' + port + '/announce'
var announceUrl = serverType + '://' + serverAddr + ':' + port + '/announce'
var client = new Client(peerId, 6881, {
infoHash: infoHash,
@ -49,8 +52,8 @@ function serverTest (t, serverType) {
t.equal(server.getSwarm(infoHash).complete, 0)
t.equal(server.getSwarm(infoHash).incomplete, 1)
t.equal(Object.keys(server.getSwarm(infoHash).peers).length, 1)
t.deepEqual(server.getSwarm(infoHash).peers['127.0.0.1:6881'], {
ip: '127.0.0.1',
t.deepEqual(server.getSwarm(infoHash).peers[clientAddr + ':6881'], {
ip: clientIp,
port: 6881,
peerId: peerId.toString('hex')
})
@ -83,7 +86,7 @@ function serverTest (t, serverType) {
})
client2.once('peer', function (addr) {
t.equal(addr, '127.0.0.1:6881')
t.equal(addr, clientAddr + ':6881')
client2.stop()
client2.once('update', function (data) {
@ -109,10 +112,14 @@ function serverTest (t, serverType) {
})
}
test('http server', function (t) {
serverTest(t, 'http')
test('http ipv4 server', function (t) {
serverTest(t, 'http', 'inet')
})
test('http ipv6 server', function (t) {
serverTest(t, 'http', 'inet6')
})
test('udp server', function (t) {
serverTest(t, 'udp')
serverTest(t, 'udp', 'inet')
})