commit ee2fb42d33ea105995adfc84d2be47a9d6dfc97f Author: David Fifield david@bamsoftware.com Date: Thu Jan 30 23:49:41 2020 -0700

Immediately and unconditionally grant new SOCKS connections. --- client/lib/snowflake.go | 10 +--------- client/snowflake.go | 8 ++++++++ 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/client/lib/snowflake.go b/client/lib/snowflake.go index 2065f73..199f8a4 100644 --- a/client/lib/snowflake.go +++ b/client/lib/snowflake.go @@ -16,22 +16,14 @@ const (

// Given an accepted SOCKS connection, establish a WebRTC connection to the // remote peer and exchange traffic. -func Handler(socks SocksConnector, snowflakes SnowflakeCollector) error { +func Handler(socks net.Conn, snowflakes SnowflakeCollector) error { // Obtain an available WebRTC remote. May block. snowflake := snowflakes.Pop() if nil == snowflake { - if err := socks.Reject(); err != nil { - log.Printf("socks.Reject returned error: %v", err) - } - return errors.New("handler: Received invalid Snowflake") } defer snowflake.Close() log.Println("---- Handler: snowflake assigned ----") - err := socks.Grant(&net.TCPAddr{IP: net.IPv4zero, Port: 0}) - if err != nil { - return err - }

go func() { // When WebRTC resets, close the SOCKS connection too. diff --git a/client/snowflake.go b/client/snowflake.go index af8447c..dda59ae 100644 --- a/client/snowflake.go +++ b/client/snowflake.go @@ -59,9 +59,17 @@ func socksAcceptLoop(ln *pt.SocksListener, snowflakes sf.SnowflakeCollector) { log.Printf("SOCKS accepted: %v", conn.Req) go func() { defer conn.Close() + + err := conn.Grant(&net.TCPAddr{IP: net.IPv4zero, Port: 0}) + if err != nil { + log.Printf("conn.Grant error: %s", err) + return + } + err = sf.Handler(conn, snowflakes) if err != nil { log.Printf("handler error: %s", err) + return } }() }