GUACAMOLE-414: Use configure checks for finding TLS locking support.
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c90c057e12
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27
configure.ac
27
configure.ac
@ -512,6 +512,33 @@ then
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fi
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#
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# TLS Locking Support within libVNCServer
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#
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if test "x${have_libvncserver}" = "xyes"
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then
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have_vnc_tls_locking=yes
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AC_CHECK_MEMBERS([rfbClient.LockWriteToTLS, rfbClient.UnlockWriteToTLS],
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[], [have_vnc_tls_locking=no],
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[[#include <rfb/rfbclient.h>]])
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if test "x${have_vnc_tls_locking}" = "xno"
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then
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AC_MSG_WARN([
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--------------------------------------------
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This version of libvncclient lacks support
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for TLS locking. VNC connections that use
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TLS may experience instability as documented
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in GUACAMOLE-414])
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else
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AC_DEFINE([ENABLE_VNC_TLS_LOCKING],,
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[Whether support for TLS locking within VNC is enabled.])
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fi
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fi
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#
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# FreeRDP
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#
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@ -56,7 +56,7 @@
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char* GUAC_VNC_CLIENT_KEY = "GUAC_VNC";
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#if LIBVNCSERVER_VERSION_MAJOR >=0 && LIBVNCSERVER_VERSION_MINOR >= 9 && LIBVNCSERVER_VERSION_PATCHLEVEL >= 11
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#ifdef ENABLE_VNC_TLS_LOCKING
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/**
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* A callback function that is called by the VNC library prior to writing
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* data to a TLS-encrypted socket. This returns the rfbBool FALSE value
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@ -127,7 +127,7 @@ rfbClient* guac_vnc_get_client(guac_client* client) {
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rfb_client->GotFrameBufferUpdate = guac_vnc_update;
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rfb_client->GotCopyRect = guac_vnc_copyrect;
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#if LIBVNCSERVER_VERSION_MAJOR >=0 && LIBVNCSERVER_VERSION_MINOR >= 9 && LIBVNCSERVER_VERSION_PATCHLEVEL >= 11
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#ifdef ENABLE_VNC_TLS_LOCKING
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/* TLS Locking and Unlocking */
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rfb_client->LockWriteToTLS = guac_vnc_lock_write_to_tls;
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rfb_client->UnlockWriteToTLS = guac_vnc_unlock_write_to_tls;
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@ -247,7 +247,7 @@ void* guac_vnc_client_thread(void* data) {
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rfbClientLog = guac_vnc_client_log_info;
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rfbClientErr = guac_vnc_client_log_error;
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#if LIBVNCSERVER_VERSION_MAJOR >=0 && LIBVNCSERVER_VERSION_MINOR >= 9 && LIBVNCSERVER_VERSION_PATCHLEVEL >= 11
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#ifdef ENABLE_VNC_TLS_LOCKING
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/* Initialize the write lock */
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pthread_mutex_init(&(vnc_client->tls_lock), NULL);
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#endif
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@ -56,7 +56,7 @@ typedef struct guac_vnc_client {
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*/
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pthread_t client_thread;
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#if LIBVNCSERVER_VERSION_MAJOR >=0 && LIBVNCSERVER_VERSION_MINOR >= 9 && LIBVNCSERVER_VERSION_PATCHLEVEL >= 11
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#ifdef ENABLE_VNC_TLS_LOCKING
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/**
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* The TLS mutex lock for the client.
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*/
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