[tor-commits] [flashproxy/master] Add dummy reading of auth cookie file.

[dcf at torproject.org]

commit 60a611d110481b237dc62516493bbccf1cb61389
Author: David Fifield <david at bamsoftware.com>
Date:   Mon Jan 28 22:26:23 2013 -0800

    Add dummy reading of auth cookie file.
---
 websocket-transport/pt.go |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/websocket-transport/pt.go b/websocket-transport/pt.go
index ac5270e..d5435fa 100644
--- a/websocket-transport/pt.go
+++ b/websocket-transport/pt.go
@@ -259,12 +259,21 @@ func getServerBindAddrs(methodNames []string) []PtBindAddr {
 	return result
 }
 
+// Reads and validates the contents of an auth cookie file. Returns the 32-byte
+// cookie. See section 4.2.1.2 of pt-spec.txt.
+func readAuthCookieFile(filename string) ([]byte, error) {
+	cookie := make([]byte, 32)
+
+	return cookie, nil
+}
+
 // This structure is returned by PtServerSetup. It consists of a list of
 // PtBindAddrs, along with a single address for the ORPort.
 type PtServerInfo struct {
 	BindAddrs      []PtBindAddr
 	OrAddr         *net.TCPAddr
 	ExtendedOrAddr *net.TCPAddr
+	AuthCookie     []byte
 }
 
 // Check the server pluggable transports environments, emitting an error message
@@ -302,5 +311,13 @@ func PtServerSetup(methodNames []string) PtServerInfo {
 		}
 	}
 
+	var authCookieFilename = getenv("TOR_PT_AUTH_COOKIE_FILE")
+	if authCookieFilename != "" {
+		info.AuthCookie, err = readAuthCookieFile(authCookieFilename)
+		if err != nil {
+			PtEnvError(fmt.Sprintf("error reading TOR_PT_AUTH_COOKIE_FILE %q: %s", authCookieFilename, err.Error()))
+		}
+	}
+
 	return info
 }