From 032f6b43efd27585c30de7dfd48ad15247ed6a03 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Sun, 17 Feb 2013 02:46:00 +0000
Subject: Bu::ProtocolTelnet can now disable echoing if echoing is being
 controlled by the server anyway.  It needs a bunch more work to handle things
 like special characters better, but overall it's really pretty good.

---
 src/stable/protocoltelnet.cpp | 15 +++++++++++++--
 src/stable/protocoltelnet.h   |  4 ++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/stable/protocoltelnet.cpp b/src/stable/protocoltelnet.cpp
index 4259fc7..f8a3906 100644
--- a/src/stable/protocoltelnet.cpp
+++ b/src/stable/protocoltelnet.cpp
@@ -70,6 +70,7 @@ Bu::ProtocolTelnet::ProtocolTelnet() :
     oNAWS(      *this, OPT_NAWS ),
     oSuppressGA(*this, OPT_SUPGA ),
     bCanonical( true ),
+    bEcho( true ),
     bSubOpt( false )
 {
 }
@@ -230,7 +231,7 @@ void Bu::ProtocolTelnet::onNewData( Bu::Client *pClient )
                     else
                     {
                         sDataBuf += bc;
-                        if( oEcho.isLocalSet() )
+                        if( oEcho.isLocalSet() && bEcho )
                         {
                             pClient->write( &bc, 1 );
 #ifdef __TELNET_DEBUG
@@ -243,7 +244,7 @@ void Bu::ProtocolTelnet::onNewData( Bu::Client *pClient )
                 else
                 {
                     sDataBuf += bc;
-                    if( oEcho.isLocalSet() )
+                    if( oEcho.isLocalSet() && bEcho )
                     {
                         pClient->write( &bc, 1 );
                     }
@@ -273,6 +274,16 @@ bool Bu::ProtocolTelnet::isCanonical()
     return bCanonical;
 }
 
+void Bu::ProtocolTelnet::setEcho( bool bOpt )
+{
+    bEcho = bOpt;
+}
+
+bool Bu::ProtocolTelnet::isEchoEnabled()
+{
+    return bEcho;
+}
+
 void Bu::ProtocolTelnet::write( const Bu::String &sData )
 {
     write( sData.getStr(), sData.getSize() );
diff --git a/src/stable/protocoltelnet.h b/src/stable/protocoltelnet.h
index 9686974..a620a02 100644
--- a/src/stable/protocoltelnet.h
+++ b/src/stable/protocoltelnet.h
@@ -117,6 +117,9 @@ namespace Bu
         void setCanonical( bool bCon=true );
         bool isCanonical();
 
+        void setEcho( bool bOpt=true );
+        bool isEchoEnabled();
+
         void write( const Bu::String &sData );
         void write( const char *pData, int iSize );
         void write( char cData );
@@ -213,6 +216,7 @@ namespace Bu
         char cSubOpt;   /**< Which suboption are we processing. */
 
         bool bCanonical;    /**< Are we canonicalizing incoming data? */
+        bool bEcho;         /**< Should chars be echoed? */
         bool bSubOpt;       /**< Are we processing a suboption right now? */
     };
 }
-- 
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