diff options
Diffstat (limited to 'netwerk/test/unit/test_socks.js')
| -rw-r--r-- | netwerk/test/unit/test_socks.js | 520 |
1 files changed, 520 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_socks.js b/netwerk/test/unit/test_socks.js new file mode 100644 index 0000000000..6ce9f4895e --- /dev/null +++ b/netwerk/test/unit/test_socks.js @@ -0,0 +1,520 @@ +"use strict"; + +var CC = Components.Constructor; + +const ServerSocket = CC( + "@mozilla.org/network/server-socket;1", + "nsIServerSocket", + "init" +); +const BinaryInputStream = CC( + "@mozilla.org/binaryinputstream;1", + "nsIBinaryInputStream", + "setInputStream" +); +const DirectoryService = CC( + "@mozilla.org/file/directory_service;1", + "nsIProperties" +); +const Process = CC("@mozilla.org/process/util;1", "nsIProcess", "init"); + +const currentThread = + Cc["@mozilla.org/thread-manager;1"].getService().currentThread; + +var socks_test_server = null; +var socks_listen_port = -1; + +function getAvailableBytes(input) { + var len = 0; + + try { + len = input.available(); + } catch (e) {} + + return len; +} + +function runScriptSubprocess(script, args) { + var ds = new DirectoryService(); + var bin = ds.get("XREExeF", Ci.nsIFile); + if (!bin.exists()) { + do_throw("Can't find xpcshell binary"); + } + + var file = do_get_file(script); + var proc = new Process(bin); + var procArgs = [file.path].concat(args); + + proc.run(false, procArgs, procArgs.length); + + return proc; +} + +function buf2ip(buf) { + if (buf.length == 16) { + var ip = + ((buf[0] << 4) | buf[1]).toString(16) + + ":" + + ((buf[2] << 4) | buf[3]).toString(16) + + ":" + + ((buf[4] << 4) | buf[5]).toString(16) + + ":" + + ((buf[6] << 4) | buf[7]).toString(16) + + ":" + + ((buf[8] << 4) | buf[9]).toString(16) + + ":" + + ((buf[10] << 4) | buf[11]).toString(16) + + ":" + + ((buf[12] << 4) | buf[13]).toString(16) + + ":" + + ((buf[14] << 4) | buf[15]).toString(16); + for (var i = 8; i >= 2; i--) { + var re = new RegExp("(^|:)(0(:|$)){" + i + "}"); + var shortip = ip.replace(re, "::"); + if (shortip != ip) { + return shortip; + } + } + return ip; + } + return buf.join("."); +} + +function buf2int(buf) { + var n = 0; + + for (var i in buf) { + n |= buf[i] << ((buf.length - i - 1) * 8); + } + + return n; +} + +function buf2str(buf) { + return String.fromCharCode.apply(null, buf); +} + +const STATE_WAIT_GREETING = 1; +const STATE_WAIT_SOCKS4_REQUEST = 2; +const STATE_WAIT_SOCKS4_USERNAME = 3; +const STATE_WAIT_SOCKS4_HOSTNAME = 4; +const STATE_WAIT_SOCKS5_GREETING = 5; +const STATE_WAIT_SOCKS5_REQUEST = 6; +const STATE_WAIT_PONG = 7; +const STATE_GOT_PONG = 8; + +function SocksClient(server, client_in, client_out) { + this.server = server; + this.type = ""; + this.username = ""; + this.dest_name = ""; + this.dest_addr = []; + this.dest_port = []; + + this.client_in = client_in; + this.client_out = client_out; + this.inbuf = []; + this.outbuf = String(); + this.state = STATE_WAIT_GREETING; + this.waitRead(this.client_in); +} +SocksClient.prototype = { + onInputStreamReady(input) { + var len = getAvailableBytes(input); + + if (len == 0) { + print("server: client closed!"); + Assert.equal(this.state, STATE_GOT_PONG); + this.close(); + this.server.testCompleted(this); + return; + } + + var bin = new BinaryInputStream(input); + var data = bin.readByteArray(len); + this.inbuf = this.inbuf.concat(data); + + switch (this.state) { + case STATE_WAIT_GREETING: + this.checkSocksGreeting(); + break; + case STATE_WAIT_SOCKS4_REQUEST: + this.checkSocks4Request(); + break; + case STATE_WAIT_SOCKS4_USERNAME: + this.checkSocks4Username(); + break; + case STATE_WAIT_SOCKS4_HOSTNAME: + this.checkSocks4Hostname(); + break; + case STATE_WAIT_SOCKS5_GREETING: + this.checkSocks5Greeting(); + break; + case STATE_WAIT_SOCKS5_REQUEST: + this.checkSocks5Request(); + break; + case STATE_WAIT_PONG: + this.checkPong(); + break; + default: + do_throw("server: read in invalid state!"); + } + + this.waitRead(input); + }, + + onOutputStreamReady(output) { + var len = output.write(this.outbuf, this.outbuf.length); + if (len != this.outbuf.length) { + this.outbuf = this.outbuf.substring(len); + this.waitWrite(output); + } else { + this.outbuf = String(); + } + }, + + waitRead(input) { + input.asyncWait(this, 0, 0, currentThread); + }, + + waitWrite(output) { + output.asyncWait(this, 0, 0, currentThread); + }, + + write(buf) { + this.outbuf += buf; + this.waitWrite(this.client_out); + }, + + checkSocksGreeting() { + if (!this.inbuf.length) { + return; + } + + if (this.inbuf[0] == 4) { + print("server: got socks 4"); + this.type = "socks4"; + this.state = STATE_WAIT_SOCKS4_REQUEST; + this.checkSocks4Request(); + } else if (this.inbuf[0] == 5) { + print("server: got socks 5"); + this.type = "socks"; + this.state = STATE_WAIT_SOCKS5_GREETING; + this.checkSocks5Greeting(); + } else { + do_throw("Unknown socks protocol!"); + } + }, + + checkSocks4Request() { + if (this.inbuf.length < 8) { + return; + } + + Assert.equal(this.inbuf[1], 0x01); + + this.dest_port = this.inbuf.slice(2, 4); + this.dest_addr = this.inbuf.slice(4, 8); + + this.inbuf = this.inbuf.slice(8); + this.state = STATE_WAIT_SOCKS4_USERNAME; + this.checkSocks4Username(); + }, + + readString() { + var i = this.inbuf.indexOf(0); + var str = null; + + if (i >= 0) { + var buf = this.inbuf.slice(0, i); + str = buf2str(buf); + this.inbuf = this.inbuf.slice(i + 1); + } + + return str; + }, + + checkSocks4Username() { + var str = this.readString(); + + if (str == null) { + return; + } + + this.username = str; + if ( + this.dest_addr[0] == 0 && + this.dest_addr[1] == 0 && + this.dest_addr[2] == 0 && + this.dest_addr[3] != 0 + ) { + this.state = STATE_WAIT_SOCKS4_HOSTNAME; + this.checkSocks4Hostname(); + } else { + this.sendSocks4Response(); + } + }, + + checkSocks4Hostname() { + var str = this.readString(); + + if (str == null) { + return; + } + + this.dest_name = str; + this.sendSocks4Response(); + }, + + sendSocks4Response() { + this.outbuf = "\x00\x5a\x00\x00\x00\x00\x00\x00"; + this.sendPing(); + }, + + checkSocks5Greeting() { + if (this.inbuf.length < 2) { + return; + } + var nmethods = this.inbuf[1]; + if (this.inbuf.length < 2 + nmethods) { + return; + } + + Assert.ok(nmethods >= 1); + var methods = this.inbuf.slice(2, 2 + nmethods); + Assert.ok(0 in methods); + + this.inbuf = []; + this.state = STATE_WAIT_SOCKS5_REQUEST; + this.write("\x05\x00"); + }, + + checkSocks5Request() { + if (this.inbuf.length < 4) { + return; + } + + Assert.equal(this.inbuf[0], 0x05); + Assert.equal(this.inbuf[1], 0x01); + Assert.equal(this.inbuf[2], 0x00); + + var atype = this.inbuf[3]; + var len; + var name = false; + + switch (atype) { + case 0x01: + len = 4; + break; + case 0x03: + len = this.inbuf[4]; + name = true; + break; + case 0x04: + len = 16; + break; + default: + do_throw("Unknown address type " + atype); + } + + if (name) { + if (this.inbuf.length < 4 + len + 1 + 2) { + return; + } + + let buf = this.inbuf.slice(5, 5 + len); + this.dest_name = buf2str(buf); + len += 1; + } else { + if (this.inbuf.length < 4 + len + 2) { + return; + } + + this.dest_addr = this.inbuf.slice(4, 4 + len); + } + + len += 4; + this.dest_port = this.inbuf.slice(len, len + 2); + this.inbuf = this.inbuf.slice(len + 2); + this.sendSocks5Response(); + }, + + sendSocks5Response() { + if (this.dest_addr.length == 16) { + // send a successful response with the address, [::1]:80 + this.outbuf += + "\x05\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x80"; + } else { + // send a successful response with the address, 127.0.0.1:80 + this.outbuf += "\x05\x00\x00\x01\x7f\x00\x00\x01\x00\x80"; + } + this.sendPing(); + }, + + sendPing() { + print("server: sending ping"); + this.state = STATE_WAIT_PONG; + this.outbuf += "PING!"; + this.inbuf = []; + this.waitWrite(this.client_out); + }, + + checkPong() { + var pong = buf2str(this.inbuf); + Assert.equal(pong, "PONG!"); + this.state = STATE_GOT_PONG; + }, + + close() { + this.client_in.close(); + this.client_out.close(); + }, +}; + +function SocksTestServer() { + this.listener = ServerSocket(-1, true, -1); + socks_listen_port = this.listener.port; + print("server: listening on", socks_listen_port); + this.listener.asyncListen(this); + this.test_cases = []; + this.client_connections = []; + this.client_subprocess = null; + // port is used as the ID for test cases + this.test_port_id = 8000; + this.tests_completed = 0; +} +SocksTestServer.prototype = { + addTestCase(test) { + test.finished = false; + test.port = this.test_port_id++; + this.test_cases.push(test); + }, + + pickTest(id) { + for (var i in this.test_cases) { + var test = this.test_cases[i]; + if (test.port == id) { + this.tests_completed++; + return test; + } + } + do_throw("No test case with id " + id); + return null; + }, + + testCompleted(client) { + var port_id = buf2int(client.dest_port); + var test = this.pickTest(port_id); + + print("server: test finished", test.port); + Assert.ok(test != null); + Assert.equal(test.expectedType || test.type, client.type); + Assert.equal(test.port, port_id); + + if (test.remote_dns) { + Assert.equal(test.host, client.dest_name); + } else { + Assert.equal(test.host, buf2ip(client.dest_addr)); + } + + if (this.test_cases.length == this.tests_completed) { + print("server: all tests completed"); + this.close(); + do_test_finished(); + } + }, + + runClientSubprocess() { + var argv = []; + + // marshaled: socks_ver|server_port|dest_host|dest_port|<remote|local> + for (var test of this.test_cases) { + var arg = + test.type + + "|" + + String(socks_listen_port) + + "|" + + test.host + + "|" + + test.port + + "|"; + if (test.remote_dns) { + arg += "remote"; + } else { + arg += "local"; + } + print("server: using test case", arg); + argv.push(arg); + } + + this.client_subprocess = runScriptSubprocess( + "socks_client_subprocess.js", + argv + ); + }, + + onSocketAccepted(socket, trans) { + print("server: got client connection"); + var input = trans.openInputStream(0, 0, 0); + var output = trans.openOutputStream(0, 0, 0); + var client = new SocksClient(this, input, output); + this.client_connections.push(client); + }, + + onStopListening(socket) {}, + + close() { + if (this.client_subprocess) { + try { + this.client_subprocess.kill(); + } catch (x) { + do_note_exception(x, "Killing subprocess failed"); + } + this.client_subprocess = null; + } + this.client_connections = []; + if (this.listener) { + this.listener.close(); + this.listener = null; + } + }, +}; + +function run_test() { + socks_test_server = new SocksTestServer(); + + socks_test_server.addTestCase({ + type: "socks4", + host: "127.0.0.1", + remote_dns: false, + }); + socks_test_server.addTestCase({ + type: "socks4", + host: "12345.xxx", + remote_dns: true, + }); + socks_test_server.addTestCase({ + type: "socks4", + expectedType: "socks", + host: "::1", + remote_dns: false, + }); + socks_test_server.addTestCase({ + type: "socks", + host: "127.0.0.1", + remote_dns: false, + }); + socks_test_server.addTestCase({ + type: "socks", + host: "abcdefg.xxx", + remote_dns: true, + }); + socks_test_server.addTestCase({ + type: "socks", + host: "::1", + remote_dns: false, + }); + socks_test_server.runClientSubprocess(); + + do_test_pending(); +} |