commit c96a7cfd895ea7e273c2a21f8751238b289770e0 Author: David Fifield david@bamsoftware.com Date: Sat May 24 21:52:55 2014 -0700
Read proxy from managed configuration. --- meek-client/meek-client.go | 41 ++++++++++++++++++++++++++++++++++++----- 1 file changed, 36 insertions(+), 5 deletions(-)
diff --git a/meek-client/meek-client.go b/meek-client/meek-client.go index 441120f..5f7228e 100644 --- a/meek-client/meek-client.go +++ b/meek-client/meek-client.go @@ -277,7 +277,8 @@ func handler(conn *pt.SocksConn) error { info.URL.Host = front }
- // First check proxy= SOCKS arg, then --proxy option. + // First check proxy= SOCKS arg, then --proxy option/managed + // configuration. proxy, ok := conn.Req.Args.Get("proxy") if ok { info.ProxyURL, err = url.Parse(proxy) @@ -312,6 +313,18 @@ func acceptLoop(ln *pt.SocksListener) error { return nil }
+// Return an error if this proxy URL doesn't work with the rest of the +// configuration. +func checkProxyURL(u *url.URL) error { + if options.ProxyURL.Scheme != "http" { + return errors.New(fmt.Sprintf("don't understand proxy URL scheme %q", options.ProxyURL.Scheme)) + } + if options.HelperAddr != nil { + return errors.New("--helper can't be used with an upstream proxy") + } + return nil +} + func main() { var helperAddr string var logFilename string @@ -334,10 +347,6 @@ func main() { log.SetOutput(f) }
- if helperAddr != "" && proxy != "" { - log.Fatalf("--helper and --http-proxy can't be used together") - } - if helperAddr != "" { options.HelperAddr, err = net.ResolveTCPAddr("tcp", helperAddr) if err != nil { @@ -357,6 +366,28 @@ func main() { if err != nil { log.Fatalf("error in ClientSetup: %s", err) } + ptProxyURL, err := PtGetProxyURL() + if err != nil { + PtProxyError(err.Error()) + log.Fatalf("can't get managed proxy configuration: %s", err) + } + + // Command-line proxy overrides managed configuration. + if options.ProxyURL == nil { + options.ProxyURL = ptProxyURL + } + // Check whether we support this kind of proxy. + if options.ProxyURL != nil { + err = checkProxyURL(options.ProxyURL) + if err != nil { + PtProxyError(err.Error()) + log.Fatal(fmt.Sprintf("proxy error: %s", err)) + } + log.Printf("using proxy %s", options.ProxyURL.String()) + if ptProxyURL != nil { + PtProxyDone() + } + }
listeners := make([]net.Listener, 0) for _, methodName := range ptInfo.MethodNames {