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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2012-09-17 18:50:50 +0200
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2012-09-17 18:50:50 +0200
commitb8db5192d8b60c4371aa339e0762268efd62d53f (patch)
tree3afaccdb1ac9d5f6ad6a18b01e9d122739c7095a /debian/patches/220_nxproxy-bind-loopback-only.full+lite.patch
parentb9a7a1b4fe1b74fb734da22364ea42a42e88368c (diff)
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Add patch: 220_nxproxy-bind-loopback-only.full+lite.patch, adds loopback option to nxproxy options and forces nxproxy to bind to loopback devices only.
Diffstat (limited to 'debian/patches/220_nxproxy-bind-loopback-only.full+lite.patch')
-rw-r--r--debian/patches/220_nxproxy-bind-loopback-only.full+lite.patch130
1 files changed, 130 insertions, 0 deletions
diff --git a/debian/patches/220_nxproxy-bind-loopback-only.full+lite.patch b/debian/patches/220_nxproxy-bind-loopback-only.full+lite.patch
new file mode 100644
index 000000000..b8f87650b
--- /dev/null
+++ b/debian/patches/220_nxproxy-bind-loopback-only.full+lite.patch
@@ -0,0 +1,130 @@
+Description: Force NX proxy to bind to loopback devices only (loopback option)
+Author: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
+--- a/nxcomp/Loop.cpp
++++ b/nxcomp/Loop.cpp
+@@ -952,6 +952,7 @@
+ static char displayHost[DEFAULT_STRING_LENGTH] = { 0 };
+ static char authCookie[DEFAULT_STRING_LENGTH] = { 0 };
+
++static int loopbackBind = DEFAULT_LOOPBACK_BIND;
+ static int proxyPort = DEFAULT_NX_PROXY_PORT;
+ static int xPort = DEFAULT_NX_X_PORT;
+
+@@ -3959,7 +3960,14 @@
+
+ tcpAddr.sin_family = AF_INET;
+ tcpAddr.sin_port = htons(proxyPortTCP);
+- tcpAddr.sin_addr.s_addr = htonl(INADDR_ANY);
++ if ( loopbackBind )
++ {
++ tcpAddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
++ }
++ else
++ {
++ tcpAddr.sin_addr.s_addr = htonl(INADDR_ANY);
++ }
+
+ if (bind(tcpFD, (sockaddr *) &tcpAddr, sizeof(tcpAddr)) == -1)
+ {
+@@ -4512,7 +4520,14 @@
+
+ tcpAddr.sin_family = AF_INET;
+ tcpAddr.sin_port = htons(portTCP);
+- tcpAddr.sin_addr.s_addr = htonl(INADDR_ANY);
++ if ( loopbackBind )
++ {
++ tcpAddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
++ }
++ else
++ {
++ tcpAddr.sin_addr.s_addr = htonl(INADDR_ANY);
++ }
+
+ if (bind(newFD, (sockaddr *) &tcpAddr, sizeof(tcpAddr)) == -1)
+ {
+@@ -6680,7 +6695,14 @@
+
+ #ifdef __APPLE__
+
+- tcpAddr.sin_addr.s_addr = htonl(INADDR_ANY);
++ if ( loopbackBind )
++ {
++ tcpAddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
++ }
++ else
++ {
++ tcpAddr.sin_addr.s_addr = htonl(INADDR_ANY);
++ }
+
+ #else
+
+@@ -8359,6 +8381,10 @@
+
+ listenPort = ValidateArg("local", name, value);
+ }
++ else if (strcasecmp(name, "loopback") == 0)
++ {
++ loopbackBind = ValidateArg("local", name, value);
++ }
+ else if (strcasecmp(name, "accept") == 0)
+ {
+ if (*connectHost != '\0')
+@@ -13735,7 +13761,14 @@
+ }
+ else
+ {
+- address = htonl(INADDR_ANY);
++ if ( loopbackBind )
++ {
++ address = htonl(INADDR_LOOPBACK);
++ }
++ else
++ {
++ address = htonl(INADDR_ANY);
++ }
+ }
+ }
+ else
+--- a/nxcomp/Misc.cpp
++++ b/nxcomp/Misc.cpp
+@@ -42,6 +42,14 @@
+ #undef DEBUG
+
+ //
++// By default nxproxy binds to all network interfaces, setting
++// DEFAULT_LOOPBACK_BIND to 1 enables binding to the loopback
++// device only.
++//
++
++const int DEFAULT_LOOPBACK_BIND = 0;
++
++//
+ // TCP port offset applied to any NX port specification.
+ //
+
+@@ -137,6 +145,8 @@
+ \n\
+ listen=n Local port used for accepting the proxy connection.\n\
+ \n\
++ loopback=b Bind to the loopback device only.\n\
++\n\
+ accept=s Name or IP of host that can connect to the proxy.\n\
+ \n\
+ connect=s Name or IP of host that the proxy will connect to.\n\
+--- a/nxcomp/Misc.h
++++ b/nxcomp/Misc.h
+@@ -90,6 +90,14 @@
+ extern const int DEFAULT_NX_SLAVE_PORT_SERVER_OFFSET;
+
+ //
++// NX proxy binds to all network interfaces by default
++// With the -loopback parameter, you can switch
++// over to binding to the loopback device only.
++//
++
++extern const int DEFAULT_LOOPBACK_BIND;
++
++//
+ // Return strings containing various info.
+ //
+