add additional relay examples: simple non-SSL TCP relay, transparent

HTTP proxy. this makes it easier to test hoststated.
ok pyr@

src/etc/hoststated.conf

@@ -1,10 +1,11 @@
-# $OpenBSD: hoststated.conf,v 1.6 2007/02/26 20:43:32 reyk Exp $
+# $OpenBSD: hoststated.conf,v 1.7 2007/10/22 08:44:54 reyk Exp $
 #
 # Macros
 #
 ext_addr="192.168.1.1"
 webhost1="10.0.0.1"
 webhost2="10.0.0.2"
+sshhost1="10.0.0.3"
 
 #
 # Global Options
@@ -43,16 +44,16 @@ service www {
 }
 
 #
-# Relays and protocols are used for Layer 7 loadbalancing
+# Relay and protocol for HTTP layer 7 loadbalancing and SSL acceleration
 #
 protocol httpssl {
-        protocol http
+	protocol http
 	header append "$REMOTE_ADDR" to "X-Forwarded-For"
 	header append "$SERVER_ADDR:$SERVER_PORT" to "X-Forwarded-By"
 	header change "Connection" to "close"
 
-        # Various TCP performance options
-        tcp { nodelay, sack, socket buffer 65536, backlog 128 }
+	# Various TCP performance options
+	tcp { nodelay, sack, socket buffer 65536, backlog 128 }
 
 #	ssl { no sslv2, sslv3, tlsv1, ciphers HIGH }
 #	ssl session cache disable
@@ -66,3 +67,40 @@ relay wwwssl {
 	# Forward to hosts in the webhosts table using a src/dst hash
 	table webhosts loadbalance
 }
+
+#
+# Relay and protocol for simple TCP forwarding on layer 7
+#
+protocol sshtcp {
+	protocol tcp
+
+	# The TCP_NODELAY option is required for "smooth" terminal sessions
+	tcp nodelay
+}
+
+relay sshgw {
+	# Run as a simple TCP relay
+	listen on $ext_addr port 2222
+	protocol sshtcp
+
+	# Forward to the shared carp(4) address of an internal gateway
+	forward to $sshhost1 port 22
+}
+
+#
+# Relay and protocol for a transparent HTTP proxy
+#
+protocol httpfilter {
+	protocol http
+	header filter "Mozilla/4.0 (compatible; MSIE *" from "User-Agent"
+	response header filter "application/*" from "Content-Type"
+}
+
+relay httpproxy {
+	# Listen on localhost, accept redirected connections from pf(4)
+	listen on 127.0.0.1 port 8080
+	protocol httpfilter
+
+	# Forward to the original target host
+	nat lookup
+}

src/etc/relayd.conf

@@ -1,10 +1,11 @@
-# $OpenBSD: relayd.conf,v 1.6 2007/02/26 20:43:32 reyk Exp $
+# $OpenBSD: relayd.conf,v 1.7 2007/10/22 08:44:54 reyk Exp $
 #
 # Macros
 #
 ext_addr="192.168.1.1"
 webhost1="10.0.0.1"
 webhost2="10.0.0.2"
+sshhost1="10.0.0.3"
 
 #
 # Global Options
@@ -43,16 +44,16 @@ service www {
 }
 
 #
-# Relays and protocols are used for Layer 7 loadbalancing
+# Relay and protocol for HTTP layer 7 loadbalancing and SSL acceleration
 #
 protocol httpssl {
-        protocol http
+	protocol http
 	header append "$REMOTE_ADDR" to "X-Forwarded-For"
 	header append "$SERVER_ADDR:$SERVER_PORT" to "X-Forwarded-By"
 	header change "Connection" to "close"
 
-        # Various TCP performance options
-        tcp { nodelay, sack, socket buffer 65536, backlog 128 }
+	# Various TCP performance options
+	tcp { nodelay, sack, socket buffer 65536, backlog 128 }
 
 #	ssl { no sslv2, sslv3, tlsv1, ciphers HIGH }
 #	ssl session cache disable
@@ -66,3 +67,40 @@ relay wwwssl {
 	# Forward to hosts in the webhosts table using a src/dst hash
 	table webhosts loadbalance
 }
+
+#
+# Relay and protocol for simple TCP forwarding on layer 7
+#
+protocol sshtcp {
+	protocol tcp
+
+	# The TCP_NODELAY option is required for "smooth" terminal sessions
+	tcp nodelay
+}
+
+relay sshgw {
+	# Run as a simple TCP relay
+	listen on $ext_addr port 2222
+	protocol sshtcp
+
+	# Forward to the shared carp(4) address of an internal gateway
+	forward to $sshhost1 port 22
+}
+
+#
+# Relay and protocol for a transparent HTTP proxy
+#
+protocol httpfilter {
+	protocol http
+	header filter "Mozilla/4.0 (compatible; MSIE *" from "User-Agent"
+	response header filter "application/*" from "Content-Type"
+}
+
+relay httpproxy {
+	# Listen on localhost, accept redirected connections from pf(4)
+	listen on 127.0.0.1 port 8080
+	protocol httpfilter
+
+	# Forward to the original target host
+	nat lookup
+}