commit ff98b14e76c10481c6e82266c7dfea93a4701f97
Author: David Fifield <[email protected]>
Date:   Tue Dec 10 23:30:13 2013 -0800

    Make TOR_PT_ORPORT optional if we have TOR_PT_EXTENDED_SERVER_PORT.
---
 pt.go |   21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/pt.go b/pt.go
index d0ce0b8..9ac14e5 100644
--- a/pt.go
+++ b/pt.go
@@ -532,14 +532,13 @@ func ServerSetup(methodNames []string) (info ServerInfo, 
err error) {
                return
        }
 
-       orPort, err := getenvRequired("TOR_PT_ORPORT")
-       if err != nil {
-               return
-       }
-       info.OrAddr, err = resolveAddr(orPort)
-       if err != nil {
-               err = envError(fmt.Sprintf("cannot resolve TOR_PT_ORPORT %q: 
%s", orPort, err.Error()))
-               return
+       orPort := getenv("TOR_PT_ORPORT")
+       if orPort != "" {
+               info.OrAddr, err = resolveAddr(orPort)
+               if err != nil {
+                       err = envError(fmt.Sprintf("cannot resolve 
TOR_PT_ORPORT %q: %s", orPort, err.Error()))
+                       return
+               }
        }
 
        var extendedOrPort = getenv("TOR_PT_EXTENDED_SERVER_PORT")
@@ -559,6 +558,12 @@ func ServerSetup(methodNames []string) (info ServerInfo, 
err error) {
                }
        }
 
+       // Need either OrAddr or ExtendedOrAddr.
+       if (info.OrAddr == nil && (info.ExtendedOrAddr == nil || 
info.AuthCookie == nil)) {
+               err = envError("need TOR_PT_ORPORT or 
TOR_PT_EXTENDED_SERVER_PORT environment variable")
+               return
+       }
+
        return info, nil
 }
 



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