[tor-commits] [goptlib/master] Give a more specific error when TOR_PT_AUTH_COOKIE_FILE is missing.

[dcf@xxxxxxxxxxxxxx]

commit 1b43761ebbb97d54de2253dcd28090f99efaa239
Author: David Fifield <david@xxxxxxxxxxxxxxx>
Date:   Sun Dec 13 21:46:49 2015 -0800

    Give a more specific error when TOR_PT_AUTH_COOKIE_FILE is missing.
    
    Before, if you set TOR_PT_EXTENDED_SERVER_PORT but not
    TOR_PT_AUTH_COOKIE_FILE, you would get the misleading error message:
    	ENV-ERROR need TOR_PT_ORPORT or TOR_PT_EXTENDED_SERVER_PORT environment variable
    Now you get:
    	ENV-ERROR need TOR_PT_AUTH_COOKIE_FILE environment variable with TOR_PT_EXTENDED_SERVER_PORT
---
 pt.go |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pt.go b/pt.go
index d2aedca..a838308 100644
--- a/pt.go
+++ b/pt.go
@@ -668,18 +668,23 @@ func ServerSetup(_ []string) (info ServerInfo, err error) {
 		}
 	}
 
+	info.AuthCookiePath = getenv("TOR_PT_AUTH_COOKIE_FILE")
+
 	extendedOrPort := getenv("TOR_PT_EXTENDED_SERVER_PORT")
 	if extendedOrPort != "" {
+		if info.AuthCookiePath == "" {
+			err = envError("need TOR_PT_AUTH_COOKIE_FILE environment variable with TOR_PT_EXTENDED_SERVER_PORT")
+			return
+		}
 		info.ExtendedOrAddr, err = resolveAddr(extendedOrPort)
 		if err != nil {
 			err = envError(fmt.Sprintf("cannot resolve TOR_PT_EXTENDED_SERVER_PORT %q: %s", extendedOrPort, err.Error()))
 			return
 		}
 	}
-	info.AuthCookiePath = getenv("TOR_PT_AUTH_COOKIE_FILE")
 
 	// Need either OrAddr or ExtendedOrAddr.
-	if info.OrAddr == nil && (info.ExtendedOrAddr == nil || info.AuthCookiePath == "") {
+	if info.OrAddr == nil && info.ExtendedOrAddr == nil {
 		err = envError("need TOR_PT_ORPORT or TOR_PT_EXTENDED_SERVER_PORT environment variable")
 		return
 	}

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