GUAC-1389: Add screen sharing support to VNC.
This commit is contained in:
parent
41a21c9b0c
commit
d484a98876
@ -62,7 +62,7 @@ if ENABLE_TELNET
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endif
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endif
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if ENABLE_VNC
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if ENABLE_VNC
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#SUBDIRS += src/protocols/vnc
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SUBDIRS += src/protocols/vnc
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endif
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endif
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EXTRA_DIST = \
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EXTRA_DIST = \
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@ -26,16 +26,28 @@ ACLOCAL_AMFLAGS = -I m4
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lib_LTLIBRARIES = libguac-client-vnc.la
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lib_LTLIBRARIES = libguac-client-vnc.la
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libguac_client_vnc_la_SOURCES = \
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libguac_client_vnc_la_SOURCES = \
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auth.c \
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client.c \
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client.c \
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clipboard.c \
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clipboard.c \
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guac_handlers.c \
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cursor.c \
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vnc_handlers.c
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display.c \
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input.c \
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log.c \
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settings.c \
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user.c \
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vnc.c
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noinst_HEADERS = \
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noinst_HEADERS = \
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auth.h \
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client.h \
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client.h \
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clipboard.h \
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clipboard.h \
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guac_handlers.h \
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cursor.h \
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vnc_handlers.h
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display.h \
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input.h \
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log.h \
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settings.h \
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user.h \
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vnc.h
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# Optional PulseAudio support
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# Optional PulseAudio support
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if ENABLE_PULSE
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if ENABLE_PULSE
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36
src/protocols/vnc/auth.c
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36
src/protocols/vnc/auth.c
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@ -0,0 +1,36 @@
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/*
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* Copyright (C) 2014 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "config.h"
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#include "auth.h"
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#include "vnc.h"
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#include <guacamole/client.h>
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#include <rfb/rfbclient.h>
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#include <rfb/rfbproto.h>
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char* guac_vnc_get_password(rfbClient* client) {
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guac_client* gc = rfbClientGetClientData(client, GUAC_VNC_CLIENT_KEY);
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return ((guac_vnc_client*) gc->data)->settings->password;
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}
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37
src/protocols/vnc/auth.h
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37
src/protocols/vnc/auth.h
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@ -0,0 +1,37 @@
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/*
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* Copyright (C) 2014 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef GUAC_VNC_AUTH_H
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#define GUAC_VNC_AUTH_H
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#include "config.h"
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#include <rfb/rfbclient.h>
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#include <rfb/rfbproto.h>
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/**
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* Handler which returns the configured password.
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*/
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char* guac_vnc_get_password(rfbClient* client);
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#endif
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@ -23,16 +23,8 @@
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#include "config.h"
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#include "config.h"
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#include "client.h"
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#include "client.h"
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#include "clipboard.h"
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#include "user.h"
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#include "guac_clipboard.h"
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#include "vnc.h"
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#include "guac_dot_cursor.h"
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#include "guac_handlers.h"
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#include "guac_pointer_cursor.h"
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#include "vnc_handlers.h"
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#ifdef ENABLE_PULSE
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#include "pulse.h"
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#endif
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#ifdef ENABLE_COMMON_SSH
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#ifdef ENABLE_COMMON_SSH
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#include "guac_sftp.h"
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#include "guac_sftp.h"
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@ -40,522 +32,103 @@
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#include "sftp.h"
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#include "sftp.h"
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#endif
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#endif
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#include <rfb/rfbclient.h>
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#ifdef ENABLE_PULSE
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#include <rfb/rfbproto.h>
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#include "pulse.h"
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#endif
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#include <guacamole/client.h>
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#include <guacamole/client.h>
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#include <guacamole/protocol.h>
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#include <guacamole/socket.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string.h>
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#include <time.h>
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/* Client plugin arguments */
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int guac_client_init(guac_client* client) {
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const char* GUAC_CLIENT_ARGS[] = {
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"hostname",
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"port",
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"read-only",
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"encodings",
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"password",
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"swap-red-blue",
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"color-depth",
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"cursor",
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"autoretry",
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"clipboard-encoding",
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#ifdef ENABLE_VNC_REPEATER
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/* Set client args */
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"dest-host",
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client->args = GUAC_VNC_CLIENT_ARGS;
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"dest-port",
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#endif
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#ifdef ENABLE_PULSE
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"enable-audio",
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"audio-servername",
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#endif
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#ifdef ENABLE_VNC_LISTEN
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"reverse-connect",
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"listen-timeout",
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#endif
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#ifdef ENABLE_COMMON_SSH
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"enable-sftp",
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"sftp-hostname",
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"sftp-port",
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"sftp-username",
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"sftp-password",
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"sftp-private-key",
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"sftp-passphrase",
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"sftp-directory",
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#endif
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NULL
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};
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enum VNC_ARGS_IDX {
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IDX_HOSTNAME,
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IDX_PORT,
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IDX_READ_ONLY,
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IDX_ENCODINGS,
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IDX_PASSWORD,
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IDX_SWAP_RED_BLUE,
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IDX_COLOR_DEPTH,
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IDX_CURSOR,
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IDX_AUTORETRY,
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IDX_CLIPBOARD_ENCODING,
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#ifdef ENABLE_VNC_REPEATER
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IDX_DEST_HOST,
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IDX_DEST_PORT,
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#endif
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#ifdef ENABLE_PULSE
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IDX_ENABLE_AUDIO,
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IDX_AUDIO_SERVERNAME,
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#endif
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#ifdef ENABLE_VNC_LISTEN
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IDX_REVERSE_CONNECT,
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IDX_LISTEN_TIMEOUT,
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#endif
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#ifdef ENABLE_COMMON_SSH
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IDX_ENABLE_SFTP,
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IDX_SFTP_HOSTNAME,
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IDX_SFTP_PORT,
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IDX_SFTP_USERNAME,
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IDX_SFTP_PASSWORD,
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IDX_SFTP_PRIVATE_KEY,
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IDX_SFTP_PASSPHRASE,
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IDX_SFTP_DIRECTORY,
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#endif
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VNC_ARGS_COUNT
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};
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char* __GUAC_CLIENT = "GUAC_CLIENT";
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/**
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* Allocates a new rfbClient instance given the parameters stored within the
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* client, returning NULL on failure.
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*/
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static rfbClient* __guac_vnc_get_client(guac_client* client) {
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rfbClient* rfb_client = rfbGetClient(8, 3, 4); /* 32-bpp client */
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vnc_guac_client_data* guac_client_data =
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(vnc_guac_client_data*) client->data;
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/* Store Guac client in rfb client */
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rfbClientSetClientData(rfb_client, __GUAC_CLIENT, client);
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/* Framebuffer update handler */
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rfb_client->GotFrameBufferUpdate = guac_vnc_update;
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rfb_client->GotCopyRect = guac_vnc_copyrect;
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/* Do not handle clipboard and local cursor if read-only */
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if (guac_client_data->read_only == 0) {
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/* Clipboard */
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rfb_client->GotXCutText = guac_vnc_cut_text;
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/* Set remote cursor */
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if (guac_client_data->remote_cursor)
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rfb_client->appData.useRemoteCursor = FALSE;
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else {
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/* Enable client-side cursor */
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rfb_client->appData.useRemoteCursor = TRUE;
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rfb_client->GotCursorShape = guac_vnc_cursor;
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}
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}
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/* Password */
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rfb_client->GetPassword = guac_vnc_get_password;
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/* Depth */
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guac_vnc_set_pixel_format(rfb_client, guac_client_data->color_depth);
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/* Hook into allocation so we can handle resize. */
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guac_client_data->rfb_MallocFrameBuffer = rfb_client->MallocFrameBuffer;
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rfb_client->MallocFrameBuffer = guac_vnc_malloc_framebuffer;
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rfb_client->canHandleNewFBSize = 1;
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/* Set hostname and port */
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rfb_client->serverHost = strdup(guac_client_data->hostname);
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rfb_client->serverPort = guac_client_data->port;
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#ifdef ENABLE_VNC_REPEATER
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/* Set repeater parameters if specified */
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if (guac_client_data->dest_host) {
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rfb_client->destHost = strdup(guac_client_data->dest_host);
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rfb_client->destPort = guac_client_data->dest_port;
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}
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#endif
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#ifdef ENABLE_VNC_LISTEN
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/* If reverse connection enabled, start listening */
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if (guac_client_data->reverse_connect) {
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guac_client_log(client, GUAC_LOG_INFO, "Listening for connections on port %i",
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guac_client_data->port);
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/* Listen for connection from server */
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rfb_client->listenPort = guac_client_data->port;
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if (listenForIncomingConnectionsNoFork(rfb_client,
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guac_client_data->listen_timeout*1000) <= 0)
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return NULL;
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}
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#endif
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/* Set encodings if provided */
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if (guac_client_data->encodings)
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rfb_client->appData.encodingsString =
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strdup(guac_client_data->encodings);
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/* Connect */
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if (rfbInitClient(rfb_client, NULL, NULL))
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return rfb_client;
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/* If connection fails, return NULL */
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return NULL;
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}
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/**
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* Sets the encoding of clipboard data exchanged with the VNC server to the
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* encoding having the given name. If the name is left blank, or is invalid,
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* the standard ISO8859-1 encoding will be used.
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*
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* @param client
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* The client to set the clipboard encoding of.
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*
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* @param name
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* The name of the encoding to use for all clipboard data. Valid values
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* are: "ISO8859-1", "UTF-8", "UTF-16", "CP1252", or "".
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*
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* @return
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* Zero if the chosen encoding is standard for VNC, or non-zero if the VNC
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* standard is being violated.
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*/
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static int guac_vnc_set_clipboard_encoding(guac_client* client,
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const char* name) {
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vnc_guac_client_data* guac_client_data =
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(vnc_guac_client_data*) client->data;
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/* Use ISO8859-1 if explicitly selected or blank */
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if (name[0] == '\0' || strcmp(name, "ISO8859-1") == 0) {
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guac_client_data->clipboard_reader = GUAC_READ_ISO8859_1;
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guac_client_data->clipboard_writer = GUAC_WRITE_ISO8859_1;
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return 0;
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}
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/* UTF-8 */
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if (strcmp(name, "UTF-8") == 0) {
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guac_client_data->clipboard_reader = GUAC_READ_UTF8;
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guac_client_data->clipboard_writer = GUAC_WRITE_UTF8;
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return 1;
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}
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/* UTF-16 */
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if (strcmp(name, "UTF-16") == 0) {
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guac_client_data->clipboard_reader = GUAC_READ_UTF16;
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guac_client_data->clipboard_writer = GUAC_WRITE_UTF16;
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return 1;
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}
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/* CP1252 */
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if (strcmp(name, "CP1252") == 0) {
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guac_client_data->clipboard_reader = GUAC_READ_CP1252;
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guac_client_data->clipboard_writer = GUAC_WRITE_CP1252;
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return 1;
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}
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/* If encoding unrecognized, warn and default to ISO8859-1 */
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guac_client_log(client, GUAC_LOG_WARNING,
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"Encoding '%s' is invalid. Defaulting to ISO8859-1.", name);
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guac_client_data->clipboard_reader = GUAC_READ_ISO8859_1;
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guac_client_data->clipboard_writer = GUAC_WRITE_ISO8859_1;
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return 0;
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}
|
|
||||||
|
|
||||||
int guac_client_init(guac_client* client, int argc, char** argv) {
|
|
||||||
|
|
||||||
rfbClient* rfb_client;
|
|
||||||
|
|
||||||
vnc_guac_client_data* guac_client_data;
|
|
||||||
|
|
||||||
int retries_remaining;
|
|
||||||
|
|
||||||
/* Set up libvncclient logging */
|
|
||||||
rfbClientLog = guac_vnc_client_log_info;
|
|
||||||
rfbClientErr = guac_vnc_client_log_error;
|
|
||||||
|
|
||||||
/*** PARSE ARGUMENTS ***/
|
|
||||||
|
|
||||||
if (argc != VNC_ARGS_COUNT) {
|
|
||||||
guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR, "Wrong argument count received.");
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Alloc client data */
|
/* Alloc client data */
|
||||||
guac_client_data = malloc(sizeof(vnc_guac_client_data));
|
guac_vnc_client* vnc_client = calloc(1, sizeof(guac_vnc_client));
|
||||||
client->data = guac_client_data;
|
client->data = vnc_client;
|
||||||
|
|
||||||
guac_client_data->hostname = strdup(argv[IDX_HOSTNAME]);
|
|
||||||
guac_client_data->port = atoi(argv[IDX_PORT]);
|
|
||||||
guac_client_data->password = strdup(argv[IDX_PASSWORD]); /* NOTE: freed by libvncclient */
|
|
||||||
guac_client_data->default_surface = NULL;
|
|
||||||
|
|
||||||
/* Set flags */
|
|
||||||
guac_client_data->remote_cursor = (strcmp(argv[IDX_CURSOR], "remote") == 0);
|
|
||||||
guac_client_data->swap_red_blue = (strcmp(argv[IDX_SWAP_RED_BLUE], "true") == 0);
|
|
||||||
guac_client_data->read_only = (strcmp(argv[IDX_READ_ONLY], "true") == 0);
|
|
||||||
|
|
||||||
/* Parse color depth */
|
|
||||||
guac_client_data->color_depth = atoi(argv[IDX_COLOR_DEPTH]);
|
|
||||||
|
|
||||||
#ifdef ENABLE_VNC_REPEATER
|
|
||||||
/* Set repeater parameters if specified */
|
|
||||||
if (argv[IDX_DEST_HOST][0] != '\0')
|
|
||||||
guac_client_data->dest_host = strdup(argv[IDX_DEST_HOST]);
|
|
||||||
else
|
|
||||||
guac_client_data->dest_host = NULL;
|
|
||||||
|
|
||||||
if (argv[IDX_DEST_PORT][0] != '\0')
|
|
||||||
guac_client_data->dest_port = atoi(argv[IDX_DEST_PORT]);
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Set encodings if specified */
|
|
||||||
if (argv[IDX_ENCODINGS][0] != '\0')
|
|
||||||
guac_client_data->encodings = strdup(argv[IDX_ENCODINGS]);
|
|
||||||
else
|
|
||||||
guac_client_data->encodings = NULL;
|
|
||||||
|
|
||||||
/* Parse autoretry */
|
|
||||||
if (argv[IDX_AUTORETRY][0] != '\0')
|
|
||||||
retries_remaining = atoi(argv[IDX_AUTORETRY]);
|
|
||||||
else
|
|
||||||
retries_remaining = 0;
|
|
||||||
|
|
||||||
#ifdef ENABLE_VNC_LISTEN
|
|
||||||
/* Set reverse-connection flag */
|
|
||||||
guac_client_data->reverse_connect =
|
|
||||||
(strcmp(argv[IDX_REVERSE_CONNECT], "true") == 0);
|
|
||||||
|
|
||||||
/* Parse listen timeout */
|
|
||||||
if (argv[IDX_LISTEN_TIMEOUT][0] != '\0')
|
|
||||||
guac_client_data->listen_timeout = atoi(argv[IDX_LISTEN_TIMEOUT]);
|
|
||||||
else
|
|
||||||
guac_client_data->listen_timeout = 5000;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Init clipboard */
|
/* Init clipboard */
|
||||||
guac_client_data->clipboard = guac_common_clipboard_alloc(GUAC_VNC_CLIPBOARD_MAX_LENGTH);
|
vnc_client->clipboard = guac_common_clipboard_alloc(GUAC_VNC_CLIPBOARD_MAX_LENGTH);
|
||||||
|
|
||||||
/* Configure clipboard encoding */
|
|
||||||
if (guac_vnc_set_clipboard_encoding(client, argv[IDX_CLIPBOARD_ENCODING]))
|
|
||||||
guac_client_log(client, GUAC_LOG_INFO,
|
|
||||||
"Using non-standard VNC clipboard encoding: '%s'.",
|
|
||||||
argv[IDX_CLIPBOARD_ENCODING]);
|
|
||||||
|
|
||||||
/* Ensure connection is kept alive during lengthy connects */
|
|
||||||
guac_socket_require_keep_alive(client->socket);
|
|
||||||
|
|
||||||
/* Attempt connection */
|
|
||||||
rfb_client = __guac_vnc_get_client(client);
|
|
||||||
|
|
||||||
/* If unsuccessful, retry as many times as specified */
|
|
||||||
while (!rfb_client && retries_remaining > 0) {
|
|
||||||
|
|
||||||
struct timespec guac_vnc_connect_interval = {
|
|
||||||
.tv_sec = GUAC_VNC_CONNECT_INTERVAL/1000,
|
|
||||||
.tv_nsec = (GUAC_VNC_CONNECT_INTERVAL%1000)*1000000
|
|
||||||
};
|
|
||||||
|
|
||||||
guac_client_log(client, GUAC_LOG_INFO,
|
|
||||||
"Connect failed. Waiting %ims before retrying...",
|
|
||||||
GUAC_VNC_CONNECT_INTERVAL);
|
|
||||||
|
|
||||||
/* Wait for given interval then retry */
|
|
||||||
nanosleep(&guac_vnc_connect_interval, NULL);
|
|
||||||
rfb_client = __guac_vnc_get_client(client);
|
|
||||||
retries_remaining--;
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/* If the final connect attempt fails, return error */
|
|
||||||
if (!rfb_client) {
|
|
||||||
guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Unable to connect to VNC server.");
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef ENABLE_PULSE
|
|
||||||
guac_client_data->audio_enabled =
|
|
||||||
(strcmp(argv[IDX_ENABLE_AUDIO], "true") == 0);
|
|
||||||
|
|
||||||
/* If an encoding is available, load an audio stream */
|
|
||||||
if (guac_client_data->audio_enabled) {
|
|
||||||
|
|
||||||
guac_client_data->audio = guac_audio_stream_alloc(client, NULL,
|
|
||||||
GUAC_VNC_AUDIO_RATE,
|
|
||||||
GUAC_VNC_AUDIO_CHANNELS,
|
|
||||||
GUAC_VNC_AUDIO_BPS);
|
|
||||||
|
|
||||||
/* Load servername if specified */
|
|
||||||
if (argv[IDX_AUDIO_SERVERNAME][0] != '\0')
|
|
||||||
guac_client_data->pa_servername =
|
|
||||||
strdup(argv[IDX_AUDIO_SERVERNAME]);
|
|
||||||
else
|
|
||||||
guac_client_data->pa_servername = NULL;
|
|
||||||
|
|
||||||
/* If successful, init audio system */
|
|
||||||
if (guac_client_data->audio != NULL) {
|
|
||||||
|
|
||||||
guac_client_log(client, GUAC_LOG_INFO,
|
|
||||||
"Audio will be encoded as %s",
|
|
||||||
guac_client_data->audio->encoder->mimetype);
|
|
||||||
|
|
||||||
/* Require threadsafe sockets if audio enabled */
|
|
||||||
guac_socket_require_threadsafe(client->socket);
|
|
||||||
|
|
||||||
/* Start audio stream */
|
|
||||||
guac_pa_start_stream(client);
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Otherwise, audio loading failed */
|
|
||||||
else
|
|
||||||
guac_client_log(client, GUAC_LOG_INFO,
|
|
||||||
"No available audio encoding. Sound disabled.");
|
|
||||||
|
|
||||||
} /* end if audio enabled */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef ENABLE_COMMON_SSH
|
|
||||||
guac_common_ssh_init(client);
|
|
||||||
|
|
||||||
/* Connect via SSH if SFTP is enabled */
|
|
||||||
if (strcmp(argv[IDX_ENABLE_SFTP], "true") == 0) {
|
|
||||||
|
|
||||||
guac_client_log(client, GUAC_LOG_DEBUG,
|
|
||||||
"Connecting via SSH for SFTP filesystem access.");
|
|
||||||
|
|
||||||
guac_client_data->sftp_user =
|
|
||||||
guac_common_ssh_create_user(argv[IDX_SFTP_USERNAME]);
|
|
||||||
|
|
||||||
/* Import private key, if given */
|
|
||||||
if (argv[IDX_SFTP_PRIVATE_KEY][0] != '\0') {
|
|
||||||
|
|
||||||
guac_client_log(client, GUAC_LOG_DEBUG,
|
|
||||||
"Authenticating with private key.");
|
|
||||||
|
|
||||||
/* Abort if private key cannot be read */
|
|
||||||
if (guac_common_ssh_user_import_key(guac_client_data->sftp_user,
|
|
||||||
argv[IDX_SFTP_PRIVATE_KEY],
|
|
||||||
argv[IDX_SFTP_PASSPHRASE])) {
|
|
||||||
guac_common_ssh_destroy_user(guac_client_data->sftp_user);
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Otherwise, use specified password */
|
|
||||||
else {
|
|
||||||
guac_client_log(client, GUAC_LOG_DEBUG,
|
|
||||||
"Authenticating with password.");
|
|
||||||
guac_common_ssh_user_set_password(guac_client_data->sftp_user,
|
|
||||||
argv[IDX_SFTP_PASSWORD]);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Parse hostname - use VNC hostname by default */
|
|
||||||
const char* sftp_hostname = argv[IDX_SFTP_HOSTNAME];
|
|
||||||
if (sftp_hostname[0] == '\0')
|
|
||||||
sftp_hostname = guac_client_data->hostname;
|
|
||||||
|
|
||||||
/* Parse port, defaulting to standard SSH port */
|
|
||||||
const char* sftp_port = argv[IDX_SFTP_PORT];
|
|
||||||
if (sftp_port[0] == '\0')
|
|
||||||
sftp_port = "22";
|
|
||||||
|
|
||||||
/* Attempt SSH connection */
|
|
||||||
guac_client_data->sftp_session =
|
|
||||||
guac_common_ssh_create_session(client, sftp_hostname, sftp_port,
|
|
||||||
guac_client_data->sftp_user);
|
|
||||||
|
|
||||||
/* Fail if SSH connection does not succeed */
|
|
||||||
if (guac_client_data->sftp_session == NULL) {
|
|
||||||
/* Already aborted within guac_common_ssh_create_session() */
|
|
||||||
guac_common_ssh_destroy_user(guac_client_data->sftp_user);
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Load and expose filesystem */
|
|
||||||
guac_client_data->sftp_filesystem =
|
|
||||||
guac_common_ssh_create_sftp_filesystem(
|
|
||||||
guac_client_data->sftp_session, "/");
|
|
||||||
|
|
||||||
/* Abort if SFTP connection fails */
|
|
||||||
if (guac_client_data->sftp_filesystem == NULL) {
|
|
||||||
guac_common_ssh_destroy_session(guac_client_data->sftp_session);
|
|
||||||
guac_common_ssh_destroy_user(guac_client_data->sftp_user);
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Configure destination for basic uploads, if specified */
|
|
||||||
if (argv[IDX_SFTP_DIRECTORY][0] != '\0')
|
|
||||||
guac_common_ssh_sftp_set_upload_path(
|
|
||||||
guac_client_data->sftp_filesystem,
|
|
||||||
argv[IDX_SFTP_DIRECTORY]);
|
|
||||||
|
|
||||||
/* Set file handler for basic uploads */
|
|
||||||
client->file_handler = guac_vnc_sftp_file_handler;
|
|
||||||
|
|
||||||
guac_client_log(client, GUAC_LOG_DEBUG,
|
|
||||||
"SFTP connection succeeded.");
|
|
||||||
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Set remaining client data */
|
|
||||||
guac_client_data->rfb_client = rfb_client;
|
|
||||||
guac_client_data->copy_rect_used = 0;
|
|
||||||
guac_client_data->cursor = guac_client_alloc_buffer(client);
|
|
||||||
|
|
||||||
/* Set handlers */
|
/* Set handlers */
|
||||||
client->handle_messages = vnc_guac_client_handle_messages;
|
client->join_handler = guac_vnc_user_join_handler;
|
||||||
client->free_handler = vnc_guac_client_free_handler;
|
client->free_handler = guac_vnc_client_free_handler;
|
||||||
|
|
||||||
/* If not read-only, set input handlers and pointer */
|
return 0;
|
||||||
if (guac_client_data->read_only == 0) {
|
}
|
||||||
|
|
||||||
/* Only handle mouse/keyboard/clipboard if not read-only */
|
int guac_vnc_client_free_handler(guac_client* client) {
|
||||||
client->mouse_handler = vnc_guac_client_mouse_handler;
|
|
||||||
client->key_handler = vnc_guac_client_key_handler;
|
|
||||||
client->clipboard_handler = guac_vnc_clipboard_handler;
|
|
||||||
|
|
||||||
/* If not read-only but cursor is remote, set a dot cursor */
|
guac_vnc_client* vnc_client = (guac_vnc_client*) client->data;
|
||||||
if (guac_client_data->remote_cursor)
|
guac_vnc_settings* settings = vnc_client->settings;
|
||||||
guac_common_set_dot_cursor(client);
|
|
||||||
|
|
||||||
/* Otherwise, set pointer until explicitly requested otherwise */
|
/* Clean up VNC client*/
|
||||||
else
|
rfbClient* rfb_client = vnc_client->rfb_client;
|
||||||
guac_common_set_pointer_cursor(client);
|
if (rfb_client != NULL) {
|
||||||
|
|
||||||
|
/* Wait for client thread to finish */
|
||||||
|
pthread_join(vnc_client->client_thread, NULL);
|
||||||
|
|
||||||
|
/* Free memory not free'd by libvncclient's rfbClientCleanup() */
|
||||||
|
if (rfb_client->frameBuffer != NULL) free(rfb_client->frameBuffer);
|
||||||
|
if (rfb_client->raw_buffer != NULL) free(rfb_client->raw_buffer);
|
||||||
|
if (rfb_client->rcSource != NULL) free(rfb_client->rcSource);
|
||||||
|
|
||||||
|
/* Free VNC rfbClientData linked list (not free'd by rfbClientCleanup()) */
|
||||||
|
while (rfb_client->clientData != NULL) {
|
||||||
|
rfbClientData* next = rfb_client->clientData->next;
|
||||||
|
free(rfb_client->clientData);
|
||||||
|
rfb_client->clientData = next;
|
||||||
|
}
|
||||||
|
|
||||||
|
rfbClientCleanup(rfb_client);
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Send name */
|
#ifdef ENABLE_COMMON_SSH
|
||||||
guac_protocol_send_name(client->socket, rfb_client->desktopName);
|
/* Free SFTP filesystem, if loaded */
|
||||||
|
if (vnc_client->sftp_filesystem)
|
||||||
|
guac_common_ssh_destroy_sftp_filesystem(vnc_client->sftp_filesystem);
|
||||||
|
|
||||||
|
/* Free SFTP session */
|
||||||
|
if (vnc_client->sftp_session)
|
||||||
|
guac_common_ssh_destroy_session(vnc_client->sftp_session);
|
||||||
|
|
||||||
|
/* Free SFTP user */
|
||||||
|
if (vnc_client->sftp_user)
|
||||||
|
guac_common_ssh_destroy_user(vnc_client->sftp_user);
|
||||||
|
|
||||||
|
guac_common_ssh_uninit();
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Free clipboard */
|
||||||
|
if (vnc_client->clipboard != NULL)
|
||||||
|
guac_common_clipboard_free(vnc_client->clipboard);
|
||||||
|
|
||||||
|
/* Free display */
|
||||||
|
if (vnc_client->display != NULL)
|
||||||
|
guac_common_display_free(vnc_client->display);
|
||||||
|
|
||||||
|
/* Free settings-dependend data */
|
||||||
|
if (settings != NULL) {
|
||||||
|
|
||||||
|
#ifdef ENABLE_PULSE
|
||||||
|
/* If audio enabled, stop streaming */
|
||||||
|
if (settings->audio_enabled)
|
||||||
|
guac_pa_stop_stream(client);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Free parsed settings */
|
||||||
|
guac_vnc_settings_free(settings);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Free generic data struct */
|
||||||
|
free(client->data);
|
||||||
|
|
||||||
/* Create default surface */
|
|
||||||
guac_client_data->default_surface = guac_common_surface_alloc(client,
|
|
||||||
client->socket, GUAC_DEFAULT_LAYER,
|
|
||||||
rfb_client->width, rfb_client->height);
|
|
||||||
return 0;
|
return 0;
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -24,24 +24,7 @@
|
|||||||
#ifndef __GUAC_VNC_CLIENT_H
|
#ifndef __GUAC_VNC_CLIENT_H
|
||||||
#define __GUAC_VNC_CLIENT_H
|
#define __GUAC_VNC_CLIENT_H
|
||||||
|
|
||||||
#include "config.h"
|
#include <guacamole/client.h>
|
||||||
#include "guac_clipboard.h"
|
|
||||||
#include "guac_surface.h"
|
|
||||||
#include "guac_iconv.h"
|
|
||||||
|
|
||||||
#include <guacamole/audio.h>
|
|
||||||
#include <guacamole/layer.h>
|
|
||||||
#include <rfb/rfbclient.h>
|
|
||||||
|
|
||||||
#ifdef ENABLE_PULSE
|
|
||||||
#include <pulse/pulseaudio.h>
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef ENABLE_COMMON_SSH
|
|
||||||
#include "guac_sftp.h"
|
|
||||||
#include "guac_ssh.h"
|
|
||||||
#include "guac_ssh_user.h"
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The maximum duration of a frame in milliseconds.
|
* The maximum duration of a frame in milliseconds.
|
||||||
@ -65,162 +48,10 @@
|
|||||||
*/
|
*/
|
||||||
#define GUAC_VNC_CLIPBOARD_MAX_LENGTH 262144
|
#define GUAC_VNC_CLIPBOARD_MAX_LENGTH 262144
|
||||||
|
|
||||||
extern char* __GUAC_CLIENT;
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* VNC-specific client data.
|
* Handler which frees all data associated with the guac_client.
|
||||||
*/
|
*/
|
||||||
typedef struct vnc_guac_client_data {
|
int guac_vnc_client_free_handler(guac_client* client);
|
||||||
|
|
||||||
/**
|
|
||||||
* The underlying VNC client.
|
|
||||||
*/
|
|
||||||
rfbClient* rfb_client;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The original framebuffer malloc procedure provided by the initialized
|
|
||||||
* rfbClient.
|
|
||||||
*/
|
|
||||||
MallocFrameBufferProc rfb_MallocFrameBuffer;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Whether copyrect was used to produce the latest update received
|
|
||||||
* by the VNC server.
|
|
||||||
*/
|
|
||||||
int copy_rect_used;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The hostname of the VNC server (or repeater) to connect to.
|
|
||||||
*/
|
|
||||||
char* hostname;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The port of the VNC server (or repeater) to connect to.
|
|
||||||
*/
|
|
||||||
int port;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The password given in the arguments.
|
|
||||||
*/
|
|
||||||
char* password;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Space-separated list of encodings to use within the VNC session.
|
|
||||||
*/
|
|
||||||
char* encodings;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Whether the red and blue components of each color should be swapped.
|
|
||||||
* This is mainly used for VNC servers that do not properly handle
|
|
||||||
* colors.
|
|
||||||
*/
|
|
||||||
int swap_red_blue;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The color depth to request, in bits.
|
|
||||||
*/
|
|
||||||
int color_depth;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Whether this connection is read-only, and user input should be dropped.
|
|
||||||
*/
|
|
||||||
int read_only;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The VNC host to connect to, if using a repeater.
|
|
||||||
*/
|
|
||||||
char* dest_host;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The VNC port to connect to, if using a repeater.
|
|
||||||
*/
|
|
||||||
int dest_port;
|
|
||||||
|
|
||||||
#ifdef ENABLE_VNC_LISTEN
|
|
||||||
/**
|
|
||||||
* Whether not actually connecting to a VNC server, but rather listening
|
|
||||||
* for a connection from the VNC server (reverse connection).
|
|
||||||
*/
|
|
||||||
int reverse_connect;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The maximum amount of time to wait when listening for connections, in
|
|
||||||
* milliseconds.
|
|
||||||
*/
|
|
||||||
int listen_timeout;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Whether the cursor should be rendered on the server (remote) or on the
|
|
||||||
* client (local).
|
|
||||||
*/
|
|
||||||
int remote_cursor;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The layer holding the cursor image.
|
|
||||||
*/
|
|
||||||
guac_layer* cursor;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Whether audio is enabled.
|
|
||||||
*/
|
|
||||||
int audio_enabled;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Audio output, if any.
|
|
||||||
*/
|
|
||||||
guac_audio_stream* audio;
|
|
||||||
|
|
||||||
#ifdef ENABLE_PULSE
|
|
||||||
/**
|
|
||||||
* The name of the PulseAudio server to connect to.
|
|
||||||
*/
|
|
||||||
char* pa_servername;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* PulseAudio event loop.
|
|
||||||
*/
|
|
||||||
pa_threaded_mainloop* pa_mainloop;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Internal clipboard.
|
|
||||||
*/
|
|
||||||
guac_common_clipboard* clipboard;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Default surface.
|
|
||||||
*/
|
|
||||||
guac_common_surface* default_surface;
|
|
||||||
|
|
||||||
#ifdef ENABLE_COMMON_SSH
|
|
||||||
/**
|
|
||||||
* The user and credentials used to authenticate for SFTP.
|
|
||||||
*/
|
|
||||||
guac_common_ssh_user* sftp_user;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The SSH session used for SFTP.
|
|
||||||
*/
|
|
||||||
guac_common_ssh_session* sftp_session;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The exposed filesystem object, implemented with SFTP.
|
|
||||||
*/
|
|
||||||
guac_object* sftp_filesystem;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Clipboard encoding-specific reader.
|
|
||||||
*/
|
|
||||||
guac_iconv_read* clipboard_reader;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Clipboard encoding-specific writer.
|
|
||||||
*/
|
|
||||||
guac_iconv_write* clipboard_writer;
|
|
||||||
|
|
||||||
} vnc_guac_client_data;
|
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
@ -25,17 +25,64 @@
|
|||||||
#include "clipboard.h"
|
#include "clipboard.h"
|
||||||
#include "guac_clipboard.h"
|
#include "guac_clipboard.h"
|
||||||
#include "guac_iconv.h"
|
#include "guac_iconv.h"
|
||||||
|
#include "user.h"
|
||||||
|
#include "vnc.h"
|
||||||
|
|
||||||
#include <guacamole/client.h>
|
#include <guacamole/client.h>
|
||||||
#include <guacamole/stream.h>
|
#include <guacamole/stream.h>
|
||||||
|
#include <guacamole/user.h>
|
||||||
#include <rfb/rfbclient.h>
|
#include <rfb/rfbclient.h>
|
||||||
|
#include <rfb/rfbproto.h>
|
||||||
|
|
||||||
int guac_vnc_clipboard_handler(guac_client* client, guac_stream* stream,
|
int guac_vnc_set_clipboard_encoding(guac_client* client,
|
||||||
|
const char* name) {
|
||||||
|
|
||||||
|
guac_vnc_client* vnc_client = (guac_vnc_client*) client->data;
|
||||||
|
|
||||||
|
/* Use ISO8859-1 if explicitly selected or NULL */
|
||||||
|
if (name == NULL || strcmp(name, "ISO8859-1") == 0) {
|
||||||
|
vnc_client->clipboard_reader = GUAC_READ_ISO8859_1;
|
||||||
|
vnc_client->clipboard_writer = GUAC_WRITE_ISO8859_1;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* UTF-8 */
|
||||||
|
if (strcmp(name, "UTF-8") == 0) {
|
||||||
|
vnc_client->clipboard_reader = GUAC_READ_UTF8;
|
||||||
|
vnc_client->clipboard_writer = GUAC_WRITE_UTF8;
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* UTF-16 */
|
||||||
|
if (strcmp(name, "UTF-16") == 0) {
|
||||||
|
vnc_client->clipboard_reader = GUAC_READ_UTF16;
|
||||||
|
vnc_client->clipboard_writer = GUAC_WRITE_UTF16;
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* CP1252 */
|
||||||
|
if (strcmp(name, "CP1252") == 0) {
|
||||||
|
vnc_client->clipboard_reader = GUAC_READ_CP1252;
|
||||||
|
vnc_client->clipboard_writer = GUAC_WRITE_CP1252;
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* If encoding unrecognized, warn and default to ISO8859-1 */
|
||||||
|
guac_client_log(client, GUAC_LOG_WARNING,
|
||||||
|
"Encoding '%s' is invalid. Defaulting to ISO8859-1.", name);
|
||||||
|
|
||||||
|
vnc_client->clipboard_reader = GUAC_READ_ISO8859_1;
|
||||||
|
vnc_client->clipboard_writer = GUAC_WRITE_ISO8859_1;
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
int guac_vnc_clipboard_handler(guac_user* user, guac_stream* stream,
|
||||||
char* mimetype) {
|
char* mimetype) {
|
||||||
|
|
||||||
/* Clear clipboard and prepare for new data */
|
/* Clear clipboard and prepare for new data */
|
||||||
vnc_guac_client_data* client_data = (vnc_guac_client_data*) client->data;
|
guac_vnc_client* vnc_client = (guac_vnc_client*) user->client->data;
|
||||||
guac_common_clipboard_reset(client_data->clipboard, mimetype);
|
guac_common_clipboard_reset(vnc_client->clipboard, mimetype);
|
||||||
|
|
||||||
/* Set handlers for clipboard stream */
|
/* Set handlers for clipboard stream */
|
||||||
stream->blob_handler = guac_vnc_clipboard_blob_handler;
|
stream->blob_handler = guac_vnc_clipboard_blob_handler;
|
||||||
@ -44,29 +91,29 @@ int guac_vnc_clipboard_handler(guac_client* client, guac_stream* stream,
|
|||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
int guac_vnc_clipboard_blob_handler(guac_client* client, guac_stream* stream,
|
int guac_vnc_clipboard_blob_handler(guac_user* user, guac_stream* stream,
|
||||||
void* data, int length) {
|
void* data, int length) {
|
||||||
|
|
||||||
/* Append new data */
|
/* Append new data */
|
||||||
vnc_guac_client_data* client_data = (vnc_guac_client_data*) client->data;
|
guac_vnc_client* vnc_client = (guac_vnc_client*) user->client->data;
|
||||||
guac_common_clipboard_append(client_data->clipboard, (char*) data, length);
|
guac_common_clipboard_append(vnc_client->clipboard, (char*) data, length);
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
int guac_vnc_clipboard_end_handler(guac_client* client, guac_stream* stream) {
|
int guac_vnc_clipboard_end_handler(guac_user* user, guac_stream* stream) {
|
||||||
|
|
||||||
vnc_guac_client_data* client_data = (vnc_guac_client_data*) client->data;
|
guac_vnc_client* vnc_client = (guac_vnc_client*) user->client->data;
|
||||||
rfbClient* rfb_client = client_data->rfb_client;
|
rfbClient* rfb_client = vnc_client->rfb_client;
|
||||||
|
|
||||||
char output_data[GUAC_VNC_CLIPBOARD_MAX_LENGTH];
|
char output_data[GUAC_VNC_CLIPBOARD_MAX_LENGTH];
|
||||||
|
|
||||||
const char* input = client_data->clipboard->buffer;
|
const char* input = vnc_client->clipboard->buffer;
|
||||||
char* output = output_data;
|
char* output = output_data;
|
||||||
guac_iconv_write* writer = client_data->clipboard_writer;
|
guac_iconv_write* writer = vnc_client->clipboard_writer;
|
||||||
|
|
||||||
/* Convert clipboard contents */
|
/* Convert clipboard contents */
|
||||||
guac_iconv(GUAC_READ_UTF8, &input, client_data->clipboard->length,
|
guac_iconv(GUAC_READ_UTF8, &input, vnc_client->clipboard->length,
|
||||||
writer, &output, sizeof(output_data));
|
writer, &output, sizeof(output_data));
|
||||||
|
|
||||||
/* Send via VNC */
|
/* Send via VNC */
|
||||||
@ -75,3 +122,25 @@ int guac_vnc_clipboard_end_handler(guac_client* client, guac_stream* stream) {
|
|||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
void guac_vnc_cut_text(rfbClient* client, const char* text, int textlen) {
|
||||||
|
|
||||||
|
guac_client* gc = rfbClientGetClientData(client, GUAC_VNC_CLIENT_KEY);
|
||||||
|
guac_vnc_client* vnc_client = (guac_vnc_client*) gc->data;
|
||||||
|
|
||||||
|
char received_data[GUAC_VNC_CLIPBOARD_MAX_LENGTH];
|
||||||
|
|
||||||
|
const char* input = text;
|
||||||
|
char* output = received_data;
|
||||||
|
guac_iconv_read* reader = vnc_client->clipboard_reader;
|
||||||
|
|
||||||
|
/* Convert clipboard contents */
|
||||||
|
guac_iconv(reader, &input, textlen,
|
||||||
|
GUAC_WRITE_UTF8, &output, sizeof(received_data));
|
||||||
|
|
||||||
|
/* Send converted data */
|
||||||
|
guac_common_clipboard_reset(vnc_client->clipboard, "text/plain");
|
||||||
|
guac_common_clipboard_append(vnc_client->clipboard, received_data, output - received_data);
|
||||||
|
guac_common_clipboard_send(vnc_client->clipboard, gc);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
@ -25,25 +25,52 @@
|
|||||||
|
|
||||||
#include "config.h"
|
#include "config.h"
|
||||||
|
|
||||||
|
#include "guac_clipboard.h"
|
||||||
|
|
||||||
#include <guacamole/client.h>
|
#include <guacamole/client.h>
|
||||||
#include <guacamole/stream.h>
|
#include <guacamole/stream.h>
|
||||||
|
#include <guacamole/user.h>
|
||||||
|
#include <rfb/rfbclient.h>
|
||||||
|
#include <rfb/rfbproto.h>
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Handler for inbound clipboard data.
|
* Sets the encoding of clipboard data exchanged with the VNC server to the
|
||||||
|
* encoding having the given name. If the name is NULL, or is invalid, the
|
||||||
|
* standard ISO8859-1 encoding will be used.
|
||||||
|
*
|
||||||
|
* @param client
|
||||||
|
* The client to set the clipboard encoding of.
|
||||||
|
*
|
||||||
|
* @param name
|
||||||
|
* The name of the encoding to use for all clipboard data. Valid values
|
||||||
|
* are: "ISO8859-1", "UTF-8", "UTF-16", "CP1252", or NULL.
|
||||||
|
*
|
||||||
|
* @return
|
||||||
|
* Zero if the chosen encoding is standard for VNC, or non-zero if the VNC
|
||||||
|
* standard is being violated.
|
||||||
*/
|
*/
|
||||||
int guac_vnc_clipboard_handler(guac_client* client, guac_stream* stream,
|
int guac_vnc_set_clipboard_encoding(guac_client* client,
|
||||||
char* mimetype);
|
const char* name);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Handler for inbound clipboard data from Guacamole users.
|
||||||
|
*/
|
||||||
|
int guac_vnc_clipboard_handler(guac_user* user, guac_stream* stream, char* mimetype);
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Handler for stream data related to clipboard.
|
* Handler for stream data related to clipboard.
|
||||||
*/
|
*/
|
||||||
int guac_vnc_clipboard_blob_handler(guac_client* client, guac_stream* stream,
|
int guac_vnc_clipboard_blob_handler(guac_user* user, guac_stream* stream, void* data, int length);
|
||||||
void* data, int length);
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Handler for end-of-stream related to clipboard.
|
* Handler for end-of-stream related to clipboard.
|
||||||
*/
|
*/
|
||||||
int guac_vnc_clipboard_end_handler(guac_client* client, guac_stream* stream);
|
int guac_vnc_clipboard_end_handler(guac_user* user, guac_stream* stream);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Handler for clipboard data received via VNC.
|
||||||
|
*/
|
||||||
|
void guac_vnc_cut_text(rfbClient* client, const char* text, int textlen);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
130
src/protocols/vnc/cursor.c
Normal file
130
src/protocols/vnc/cursor.c
Normal file
@ -0,0 +1,130 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2013 Glyptodon LLC
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
#include "client.h"
|
||||||
|
#include "guac_cursor.h"
|
||||||
|
#include "guac_display.h"
|
||||||
|
#include "guac_surface.h"
|
||||||
|
#include "vnc.h"
|
||||||
|
|
||||||
|
#include <cairo/cairo.h>
|
||||||
|
#include <guacamole/client.h>
|
||||||
|
#include <guacamole/layer.h>
|
||||||
|
#include <guacamole/protocol.h>
|
||||||
|
#include <guacamole/socket.h>
|
||||||
|
#include <rfb/rfbclient.h>
|
||||||
|
#include <rfb/rfbproto.h>
|
||||||
|
|
||||||
|
/* Define cairo_format_stride_for_width() if missing */
|
||||||
|
#ifndef HAVE_CAIRO_FORMAT_STRIDE_FOR_WIDTH
|
||||||
|
#define cairo_format_stride_for_width(format, width) (width*4)
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <stdarg.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <syslog.h>
|
||||||
|
|
||||||
|
void guac_vnc_cursor(rfbClient* client, int x, int y, int w, int h, int bpp) {
|
||||||
|
|
||||||
|
guac_client* gc = rfbClientGetClientData(client, GUAC_VNC_CLIENT_KEY);
|
||||||
|
guac_vnc_client* vnc_client = (guac_vnc_client*) gc->data;
|
||||||
|
|
||||||
|
/* Cairo image buffer */
|
||||||
|
int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, w);
|
||||||
|
unsigned char* buffer = malloc(h*stride);
|
||||||
|
unsigned char* buffer_row_current = buffer;
|
||||||
|
|
||||||
|
/* VNC image buffer */
|
||||||
|
unsigned int fb_stride = bpp * w;
|
||||||
|
unsigned char* fb_row_current = client->rcSource;
|
||||||
|
unsigned char* fb_mask = client->rcMask;
|
||||||
|
|
||||||
|
int dx, dy;
|
||||||
|
|
||||||
|
/* Copy image data from VNC client to RGBA buffer */
|
||||||
|
for (dy = 0; dy<h; dy++) {
|
||||||
|
|
||||||
|
unsigned int* buffer_current;
|
||||||
|
unsigned char* fb_current;
|
||||||
|
|
||||||
|
/* Get current buffer row, advance to next */
|
||||||
|
buffer_current = (unsigned int*) buffer_row_current;
|
||||||
|
buffer_row_current += stride;
|
||||||
|
|
||||||
|
/* Get current framebuffer row, advance to next */
|
||||||
|
fb_current = fb_row_current;
|
||||||
|
fb_row_current += fb_stride;
|
||||||
|
|
||||||
|
for (dx = 0; dx<w; dx++) {
|
||||||
|
|
||||||
|
unsigned char alpha, red, green, blue;
|
||||||
|
unsigned int v;
|
||||||
|
|
||||||
|
/* Read current pixel value */
|
||||||
|
switch (bpp) {
|
||||||
|
case 4:
|
||||||
|
v = *((unsigned int*) fb_current);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 2:
|
||||||
|
v = *((unsigned short*) fb_current);
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
v = *((unsigned char*) fb_current);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Translate mask to alpha */
|
||||||
|
if (*(fb_mask++)) alpha = 0xFF;
|
||||||
|
else alpha = 0x00;
|
||||||
|
|
||||||
|
/* Translate value to RGB */
|
||||||
|
red = (v >> client->format.redShift) * 0x100 / (client->format.redMax + 1);
|
||||||
|
green = (v >> client->format.greenShift) * 0x100 / (client->format.greenMax+ 1);
|
||||||
|
blue = (v >> client->format.blueShift) * 0x100 / (client->format.blueMax + 1);
|
||||||
|
|
||||||
|
/* Output ARGB */
|
||||||
|
if (vnc_client->settings->swap_red_blue)
|
||||||
|
*(buffer_current++) = (alpha << 24) | (blue << 16) | (green << 8) | red;
|
||||||
|
else
|
||||||
|
*(buffer_current++) = (alpha << 24) | (red << 16) | (green << 8) | blue;
|
||||||
|
|
||||||
|
/* Next VNC pixel */
|
||||||
|
fb_current += bpp;
|
||||||
|
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Update stored cursor information */
|
||||||
|
guac_common_cursor_set_argb(vnc_client->display->cursor, x, y,
|
||||||
|
buffer, w, h, stride);
|
||||||
|
|
||||||
|
/* Free surface */
|
||||||
|
free(buffer);
|
||||||
|
|
||||||
|
/* libvncclient does not free rcMask as it does rcSource */
|
||||||
|
free(client->rcMask);
|
||||||
|
}
|
||||||
|
|
34
src/protocols/vnc/cursor.h
Normal file
34
src/protocols/vnc/cursor.h
Normal file
@ -0,0 +1,34 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2013 Glyptodon LLC
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef GUAC_DISPLAY_CURSOR_H
|
||||||
|
#define GUAC_DISPLAY_CURSOR_H
|
||||||
|
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
#include <rfb/rfbclient.h>
|
||||||
|
#include <rfb/rfbproto.h>
|
||||||
|
|
||||||
|
void guac_vnc_cursor(rfbClient* client, int x, int y, int w, int h, int bpp);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
206
src/protocols/vnc/display.c
Normal file
206
src/protocols/vnc/display.c
Normal file
@ -0,0 +1,206 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2013 Glyptodon LLC
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
#include "client.h"
|
||||||
|
#include "guac_iconv.h"
|
||||||
|
#include "guac_surface.h"
|
||||||
|
#include "vnc.h"
|
||||||
|
|
||||||
|
#include <cairo/cairo.h>
|
||||||
|
#include <guacamole/client.h>
|
||||||
|
#include <guacamole/layer.h>
|
||||||
|
#include <guacamole/protocol.h>
|
||||||
|
#include <guacamole/socket.h>
|
||||||
|
#include <rfb/rfbclient.h>
|
||||||
|
#include <rfb/rfbproto.h>
|
||||||
|
|
||||||
|
/* Define cairo_format_stride_for_width() if missing */
|
||||||
|
#ifndef HAVE_CAIRO_FORMAT_STRIDE_FOR_WIDTH
|
||||||
|
#define cairo_format_stride_for_width(format, width) (width*4)
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <stdarg.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <syslog.h>
|
||||||
|
|
||||||
|
void guac_vnc_update(rfbClient* client, int x, int y, int w, int h) {
|
||||||
|
|
||||||
|
guac_client* gc = rfbClientGetClientData(client, GUAC_VNC_CLIENT_KEY);
|
||||||
|
guac_vnc_client* vnc_client = (guac_vnc_client*) gc->data;
|
||||||
|
|
||||||
|
int dx, dy;
|
||||||
|
|
||||||
|
/* Cairo image buffer */
|
||||||
|
int stride;
|
||||||
|
unsigned char* buffer;
|
||||||
|
unsigned char* buffer_row_current;
|
||||||
|
cairo_surface_t* surface;
|
||||||
|
|
||||||
|
/* VNC framebuffer */
|
||||||
|
unsigned int bpp;
|
||||||
|
unsigned int fb_stride;
|
||||||
|
unsigned char* fb_row_current;
|
||||||
|
|
||||||
|
/* Ignore extra update if already handled by copyrect */
|
||||||
|
if (vnc_client->copy_rect_used) {
|
||||||
|
vnc_client->copy_rect_used = 0;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Init Cairo buffer */
|
||||||
|
stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, w);
|
||||||
|
buffer = malloc(h*stride);
|
||||||
|
buffer_row_current = buffer;
|
||||||
|
|
||||||
|
bpp = client->format.bitsPerPixel/8;
|
||||||
|
fb_stride = bpp * client->width;
|
||||||
|
fb_row_current = client->frameBuffer + (y * fb_stride) + (x * bpp);
|
||||||
|
|
||||||
|
/* Copy image data from VNC client to PNG */
|
||||||
|
for (dy = y; dy<y+h; dy++) {
|
||||||
|
|
||||||
|
unsigned int* buffer_current;
|
||||||
|
unsigned char* fb_current;
|
||||||
|
|
||||||
|
/* Get current buffer row, advance to next */
|
||||||
|
buffer_current = (unsigned int*) buffer_row_current;
|
||||||
|
buffer_row_current += stride;
|
||||||
|
|
||||||
|
/* Get current framebuffer row, advance to next */
|
||||||
|
fb_current = fb_row_current;
|
||||||
|
fb_row_current += fb_stride;
|
||||||
|
|
||||||
|
for (dx = x; dx<x+w; dx++) {
|
||||||
|
|
||||||
|
unsigned char red, green, blue;
|
||||||
|
unsigned int v;
|
||||||
|
|
||||||
|
switch (bpp) {
|
||||||
|
case 4:
|
||||||
|
v = *((unsigned int*) fb_current);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 2:
|
||||||
|
v = *((unsigned short*) fb_current);
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
v = *((unsigned char*) fb_current);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Translate value to RGB */
|
||||||
|
red = (v >> client->format.redShift) * 0x100 / (client->format.redMax + 1);
|
||||||
|
green = (v >> client->format.greenShift) * 0x100 / (client->format.greenMax+ 1);
|
||||||
|
blue = (v >> client->format.blueShift) * 0x100 / (client->format.blueMax + 1);
|
||||||
|
|
||||||
|
/* Output RGB */
|
||||||
|
if (vnc_client->settings->swap_red_blue)
|
||||||
|
*(buffer_current++) = (blue << 16) | (green << 8) | red;
|
||||||
|
else
|
||||||
|
*(buffer_current++) = (red << 16) | (green << 8) | blue;
|
||||||
|
|
||||||
|
fb_current += bpp;
|
||||||
|
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* For now, only use default layer */
|
||||||
|
surface = cairo_image_surface_create_for_data(buffer, CAIRO_FORMAT_RGB24, w, h, stride);
|
||||||
|
|
||||||
|
guac_common_surface_draw(vnc_client->display->default_surface,
|
||||||
|
x, y, surface);
|
||||||
|
|
||||||
|
/* Free surface */
|
||||||
|
cairo_surface_destroy(surface);
|
||||||
|
free(buffer);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
void guac_vnc_copyrect(rfbClient* client, int src_x, int src_y, int w, int h, int dest_x, int dest_y) {
|
||||||
|
|
||||||
|
guac_client* gc = rfbClientGetClientData(client, GUAC_VNC_CLIENT_KEY);
|
||||||
|
guac_vnc_client* vnc_client = (guac_vnc_client*) gc->data;
|
||||||
|
|
||||||
|
/* For now, only use default layer */
|
||||||
|
guac_common_surface_copy(vnc_client->display->default_surface,
|
||||||
|
src_x, src_y, w, h,
|
||||||
|
vnc_client->display->default_surface, dest_x, dest_y);
|
||||||
|
|
||||||
|
vnc_client->copy_rect_used = 1;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
void guac_vnc_set_pixel_format(rfbClient* client, int color_depth) {
|
||||||
|
switch(color_depth) {
|
||||||
|
case 8:
|
||||||
|
client->format.depth = 8;
|
||||||
|
client->format.bitsPerPixel = 8;
|
||||||
|
client->format.blueShift = 6;
|
||||||
|
client->format.redShift = 0;
|
||||||
|
client->format.greenShift = 3;
|
||||||
|
client->format.blueMax = 3;
|
||||||
|
client->format.redMax = 7;
|
||||||
|
client->format.greenMax = 7;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 16:
|
||||||
|
client->format.depth = 16;
|
||||||
|
client->format.bitsPerPixel = 16;
|
||||||
|
client->format.blueShift = 0;
|
||||||
|
client->format.redShift = 11;
|
||||||
|
client->format.greenShift = 5;
|
||||||
|
client->format.blueMax = 0x1f;
|
||||||
|
client->format.redMax = 0x1f;
|
||||||
|
client->format.greenMax = 0x3f;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 24:
|
||||||
|
case 32:
|
||||||
|
default:
|
||||||
|
client->format.depth = 24;
|
||||||
|
client->format.bitsPerPixel = 32;
|
||||||
|
client->format.blueShift = 0;
|
||||||
|
client->format.redShift = 16;
|
||||||
|
client->format.greenShift = 8;
|
||||||
|
client->format.blueMax = 0xff;
|
||||||
|
client->format.redMax = 0xff;
|
||||||
|
client->format.greenMax = 0xff;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
rfbBool guac_vnc_malloc_framebuffer(rfbClient* rfb_client) {
|
||||||
|
|
||||||
|
guac_client* gc = rfbClientGetClientData(rfb_client, GUAC_VNC_CLIENT_KEY);
|
||||||
|
guac_vnc_client* vnc_client = (guac_vnc_client*) gc->data;
|
||||||
|
|
||||||
|
/* Resize surface */
|
||||||
|
if (vnc_client->display != NULL)
|
||||||
|
guac_common_surface_resize(vnc_client->display->default_surface,
|
||||||
|
rfb_client->width, rfb_client->height);
|
||||||
|
|
||||||
|
/* Use original, wrapped proc */
|
||||||
|
return vnc_client->rfb_MallocFrameBuffer(rfb_client);
|
||||||
|
}
|
||||||
|
|
@ -20,23 +20,34 @@
|
|||||||
* THE SOFTWARE.
|
* THE SOFTWARE.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
#ifndef GUAC_VNC_DISPLAY_H
|
||||||
#ifndef __GUAC_VNC_VNC_HANDLERS_H
|
#define GUAC_VNC_DISPLAY_H
|
||||||
#define __GUAC_VNC_VNC_HANDLERS_H
|
|
||||||
|
|
||||||
#include "config.h"
|
#include "config.h"
|
||||||
|
|
||||||
#include <rfb/rfbclient.h>
|
#include <rfb/rfbclient.h>
|
||||||
|
#include <rfb/rfbproto.h>
|
||||||
|
|
||||||
void guac_vnc_cursor(rfbClient* client, int x, int y, int w, int h, int bpp);
|
/**
|
||||||
|
* Called for normal binary VNC image data.
|
||||||
|
*/
|
||||||
void guac_vnc_update(rfbClient* client, int x, int y, int w, int h);
|
void guac_vnc_update(rfbClient* client, int x, int y, int w, int h);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Called for updates which contain data from existing rectangles of the
|
||||||
|
* display.
|
||||||
|
*/
|
||||||
void guac_vnc_copyrect(rfbClient* client, int src_x, int src_y, int w, int h, int dest_x, int dest_y);
|
void guac_vnc_copyrect(rfbClient* client, int src_x, int src_y, int w, int h, int dest_x, int dest_y);
|
||||||
char* guac_vnc_get_password(rfbClient* client);
|
|
||||||
rfbBool guac_vnc_malloc_framebuffer(rfbClient* rfb_client);
|
/**
|
||||||
void guac_vnc_cut_text(rfbClient* client, const char* text, int textlen);
|
* Called when the pixel format of future updates is changing.
|
||||||
void guac_vnc_client_log_info(const char* format, ...);
|
*/
|
||||||
void guac_vnc_client_log_error(const char* format, ...);
|
|
||||||
void guac_vnc_set_pixel_format(rfbClient* client, int color_depth);
|
void guac_vnc_set_pixel_format(rfbClient* client, int color_depth);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Called when the display is being resized (or initially allocated).
|
||||||
|
*/
|
||||||
|
rfbBool guac_vnc_malloc_framebuffer(rfbClient* rfb_client);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
@ -1,190 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (C) 2013 Glyptodon LLC
|
|
||||||
*
|
|
||||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
||||||
* of this software and associated documentation files (the "Software"), to deal
|
|
||||||
* in the Software without restriction, including without limitation the rights
|
|
||||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
||||||
* copies of the Software, and to permit persons to whom the Software is
|
|
||||||
* furnished to do so, subject to the following conditions:
|
|
||||||
*
|
|
||||||
* The above copyright notice and this permission notice shall be included in
|
|
||||||
* all copies or substantial portions of the Software.
|
|
||||||
*
|
|
||||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
||||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
||||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
||||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
||||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
||||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
||||||
* THE SOFTWARE.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include "config.h"
|
|
||||||
|
|
||||||
#include "client.h"
|
|
||||||
#include "guac_clipboard.h"
|
|
||||||
#include "guac_surface.h"
|
|
||||||
|
|
||||||
#include <guacamole/client.h>
|
|
||||||
#include <guacamole/protocol.h>
|
|
||||||
#include <guacamole/timestamp.h>
|
|
||||||
#include <rfb/rfbclient.h>
|
|
||||||
|
|
||||||
#ifdef ENABLE_COMMON_SSH
|
|
||||||
#include <guac_sftp.h>
|
|
||||||
#include <guac_ssh.h>
|
|
||||||
#include <guac_ssh_user.h>
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef ENABLE_PULSE
|
|
||||||
#include "pulse.h"
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#include <stdlib.h>
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Waits until data is available to be read from the given rfbClient, and thus
|
|
||||||
* a call to HandleRFBServerMessages() should not block. If the timeout elapses
|
|
||||||
* before data is available, zero is returned.
|
|
||||||
*
|
|
||||||
* @param rfb_client
|
|
||||||
* The rfbClient to wait for.
|
|
||||||
*
|
|
||||||
* @param timeout
|
|
||||||
* The maximum amount of time to wait, in microseconds.
|
|
||||||
*
|
|
||||||
* @returns
|
|
||||||
* A positive value if data is available, zero if the timeout elapses
|
|
||||||
* before data becomes available, or a negative value on error.
|
|
||||||
*/
|
|
||||||
static int guac_vnc_wait_for_messages(rfbClient* rfb_client, int timeout) {
|
|
||||||
|
|
||||||
/* Do not explicitly wait while data is on the buffer */
|
|
||||||
if (rfb_client->buffered)
|
|
||||||
return 1;
|
|
||||||
|
|
||||||
/* If no data on buffer, wait for data on socket */
|
|
||||||
return WaitForMessage(rfb_client, timeout);
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
int vnc_guac_client_handle_messages(guac_client* client) {
|
|
||||||
|
|
||||||
vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) client->data;
|
|
||||||
rfbClient* rfb_client = guac_client_data->rfb_client;
|
|
||||||
|
|
||||||
/* Initially wait for messages */
|
|
||||||
int wait_result = guac_vnc_wait_for_messages(rfb_client, 1000000);
|
|
||||||
guac_timestamp frame_start = guac_timestamp_current();
|
|
||||||
while (wait_result > 0) {
|
|
||||||
|
|
||||||
guac_timestamp frame_end;
|
|
||||||
int frame_remaining;
|
|
||||||
|
|
||||||
/* Handle any message received */
|
|
||||||
if (!HandleRFBServerMessage(rfb_client)) {
|
|
||||||
guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Error handling message from VNC server.");
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Calculate time remaining in frame */
|
|
||||||
frame_end = guac_timestamp_current();
|
|
||||||
frame_remaining = frame_start + GUAC_VNC_FRAME_DURATION - frame_end;
|
|
||||||
|
|
||||||
/* Wait again if frame remaining */
|
|
||||||
if (frame_remaining > 0)
|
|
||||||
wait_result = guac_vnc_wait_for_messages(rfb_client,
|
|
||||||
GUAC_VNC_FRAME_TIMEOUT*1000);
|
|
||||||
else
|
|
||||||
break;
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/* If an error occurs, log it and fail */
|
|
||||||
if (wait_result < 0) {
|
|
||||||
guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Connection closed.");
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
guac_common_surface_flush(guac_client_data->default_surface);
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
int vnc_guac_client_mouse_handler(guac_client* client, int x, int y, int mask) {
|
|
||||||
|
|
||||||
rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
|
|
||||||
|
|
||||||
SendPointerEvent(rfb_client, x, y, mask);
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
int vnc_guac_client_key_handler(guac_client* client, int keysym, int pressed) {
|
|
||||||
|
|
||||||
rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
|
|
||||||
|
|
||||||
SendKeyEvent(rfb_client, keysym, pressed);
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
int vnc_guac_client_free_handler(guac_client* client) {
|
|
||||||
|
|
||||||
vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) client->data;
|
|
||||||
rfbClient* rfb_client = guac_client_data->rfb_client;
|
|
||||||
|
|
||||||
#ifdef ENABLE_PULSE
|
|
||||||
/* If audio enabled, stop streaming */
|
|
||||||
if (guac_client_data->audio_enabled)
|
|
||||||
guac_pa_stop_stream(client);
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef ENABLE_COMMON_SSH
|
|
||||||
/* Free SFTP filesystem, if loaded */
|
|
||||||
if (guac_client_data->sftp_filesystem)
|
|
||||||
guac_common_ssh_destroy_sftp_filesystem(guac_client_data->sftp_filesystem);
|
|
||||||
|
|
||||||
/* Free SFTP session */
|
|
||||||
if (guac_client_data->sftp_session)
|
|
||||||
guac_common_ssh_destroy_session(guac_client_data->sftp_session);
|
|
||||||
|
|
||||||
/* Free SFTP user */
|
|
||||||
if (guac_client_data->sftp_user)
|
|
||||||
guac_common_ssh_destroy_user(guac_client_data->sftp_user);
|
|
||||||
|
|
||||||
guac_common_ssh_uninit();
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Free encodings string, if used */
|
|
||||||
if (guac_client_data->encodings != NULL)
|
|
||||||
free(guac_client_data->encodings);
|
|
||||||
|
|
||||||
/* Free clipboard */
|
|
||||||
guac_common_clipboard_free(guac_client_data->clipboard);
|
|
||||||
|
|
||||||
/* Free surface */
|
|
||||||
guac_common_surface_free(guac_client_data->default_surface);
|
|
||||||
|
|
||||||
/* Free generic data struct */
|
|
||||||
free(client->data);
|
|
||||||
|
|
||||||
/* Free memory not free'd by libvncclient's rfbClientCleanup() */
|
|
||||||
if (rfb_client->frameBuffer != NULL) free(rfb_client->frameBuffer);
|
|
||||||
if (rfb_client->raw_buffer != NULL) free(rfb_client->raw_buffer);
|
|
||||||
if (rfb_client->rcSource != NULL) free(rfb_client->rcSource);
|
|
||||||
|
|
||||||
/* Free VNC rfbClientData linked list (not free'd by rfbClientCleanup()) */
|
|
||||||
while (rfb_client->clientData != NULL) {
|
|
||||||
rfbClientData* next = rfb_client->clientData->next;
|
|
||||||
free(rfb_client->clientData);
|
|
||||||
rfb_client->clientData = next;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Clean up VNC client*/
|
|
||||||
rfbClientCleanup(rfb_client);
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
53
src/protocols/vnc/input.c
Normal file
53
src/protocols/vnc/input.c
Normal file
@ -0,0 +1,53 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2013 Glyptodon LLC
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
#include "guac_cursor.h"
|
||||||
|
#include "guac_display.h"
|
||||||
|
#include "vnc.h"
|
||||||
|
|
||||||
|
#include <guacamole/user.h>
|
||||||
|
#include <rfb/rfbclient.h>
|
||||||
|
|
||||||
|
int guac_vnc_user_mouse_handler(guac_user* user, int x, int y, int mask) {
|
||||||
|
|
||||||
|
guac_client* client = user->client;
|
||||||
|
guac_vnc_client* vnc_client = (guac_vnc_client*) client->data;
|
||||||
|
|
||||||
|
/* Store current mouse location */
|
||||||
|
guac_common_cursor_move(vnc_client->display->cursor, user, x, y);
|
||||||
|
|
||||||
|
SendPointerEvent(vnc_client->rfb_client, x, y, mask);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int guac_vnc_user_key_handler(guac_user* user, int keysym, int pressed) {
|
||||||
|
|
||||||
|
guac_vnc_client* vnc_client = (guac_vnc_client*) user->client->data;
|
||||||
|
|
||||||
|
SendKeyEvent(vnc_client->rfb_client, keysym, pressed);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
@ -21,17 +21,22 @@
|
|||||||
*/
|
*/
|
||||||
|
|
||||||
|
|
||||||
#ifndef __GUAC_VNC_GUAC_HANDLERS_H
|
#ifndef GUAC_VNC_INPUT_H
|
||||||
#define __GUAC_VNC_GUAC_HANDLERS_H
|
#define GUAC_VNC_INPUT_H
|
||||||
|
|
||||||
#include "config.h"
|
#include "config.h"
|
||||||
|
|
||||||
#include <guacamole/client.h>
|
#include <guacamole/user.h>
|
||||||
|
|
||||||
int vnc_guac_client_handle_messages(guac_client* client);
|
/**
|
||||||
int vnc_guac_client_mouse_handler(guac_client* client, int x, int y, int mask);
|
* Handler for Guacamole user mouse events.
|
||||||
int vnc_guac_client_key_handler(guac_client* client, int keysym, int pressed);
|
*/
|
||||||
int vnc_guac_client_free_handler(guac_client* client);
|
int guac_vnc_user_mouse_handler(guac_user* user, int x, int y, int mask);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Handler for Guacamole user key events.
|
||||||
|
*/
|
||||||
|
int guac_vnc_user_key_handler(guac_user* user, int keysym, int pressed);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
71
src/protocols/vnc/log.c
Normal file
71
src/protocols/vnc/log.c
Normal file
@ -0,0 +1,71 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2014 Glyptodon LLC
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
#include "client.h"
|
||||||
|
#include "guac_iconv.h"
|
||||||
|
#include "guac_surface.h"
|
||||||
|
|
||||||
|
#include <cairo/cairo.h>
|
||||||
|
#include <guacamole/client.h>
|
||||||
|
#include <guacamole/layer.h>
|
||||||
|
#include <guacamole/protocol.h>
|
||||||
|
#include <guacamole/socket.h>
|
||||||
|
#include <rfb/rfbclient.h>
|
||||||
|
#include <rfb/rfbproto.h>
|
||||||
|
|
||||||
|
#include <stdarg.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <syslog.h>
|
||||||
|
|
||||||
|
void guac_vnc_client_log_info(const char* format, ...) {
|
||||||
|
|
||||||
|
char message[2048];
|
||||||
|
|
||||||
|
/* Copy log message into buffer */
|
||||||
|
va_list args;
|
||||||
|
va_start(args, format);
|
||||||
|
vsnprintf(message, sizeof(message), format, args);
|
||||||
|
va_end(args);
|
||||||
|
|
||||||
|
/* Log to syslog */
|
||||||
|
syslog(LOG_INFO, "%s", message);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
void guac_vnc_client_log_error(const char* format, ...) {
|
||||||
|
|
||||||
|
char message[2048];
|
||||||
|
|
||||||
|
/* Copy log message into buffer */
|
||||||
|
va_list args;
|
||||||
|
va_start(args, format);
|
||||||
|
vsnprintf(message, sizeof(message), format, args);
|
||||||
|
va_end(args);
|
||||||
|
|
||||||
|
/* Log to syslog */
|
||||||
|
syslog(LOG_ERR, "%s", message);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
56
src/protocols/vnc/log.h
Normal file
56
src/protocols/vnc/log.h
Normal file
@ -0,0 +1,56 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2014 Glyptodon LLC
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef GUAC_VNC_LOG_H
|
||||||
|
#define GUAC_VNC_LOG_H
|
||||||
|
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
#include "client.h"
|
||||||
|
#include "guac_iconv.h"
|
||||||
|
#include "guac_surface.h"
|
||||||
|
|
||||||
|
#include <cairo/cairo.h>
|
||||||
|
#include <guacamole/client.h>
|
||||||
|
#include <guacamole/layer.h>
|
||||||
|
#include <guacamole/protocol.h>
|
||||||
|
#include <guacamole/socket.h>
|
||||||
|
#include <rfb/rfbclient.h>
|
||||||
|
#include <rfb/rfbproto.h>
|
||||||
|
|
||||||
|
#include <stdarg.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <syslog.h>
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Log handler for informational messages from the VNC client library.
|
||||||
|
*/
|
||||||
|
void guac_vnc_client_log_info(const char* format, ...);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Log handler for error messages from the VNC client library.
|
||||||
|
*/
|
||||||
|
void guac_vnc_client_log_error(const char* format, ...);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -22,8 +22,8 @@
|
|||||||
|
|
||||||
#include "config.h"
|
#include "config.h"
|
||||||
|
|
||||||
#include "client.h"
|
|
||||||
#include "pulse.h"
|
#include "pulse.h"
|
||||||
|
#include "vnc.h"
|
||||||
|
|
||||||
#include <guacamole/audio.h>
|
#include <guacamole/audio.h>
|
||||||
#include <guacamole/client.h>
|
#include <guacamole/client.h>
|
||||||
@ -66,8 +66,8 @@ static void __stream_read_callback(pa_stream* stream, size_t length,
|
|||||||
void* data) {
|
void* data) {
|
||||||
|
|
||||||
guac_client* client = (guac_client*) data;
|
guac_client* client = (guac_client*) data;
|
||||||
vnc_guac_client_data* client_data = (vnc_guac_client_data*) client->data;
|
guac_vnc_client* vnc_client = (guac_vnc_client*) client->data;
|
||||||
guac_audio_stream* audio = client_data->audio;
|
guac_audio_stream* audio = vnc_client->audio;
|
||||||
|
|
||||||
const void* buffer;
|
const void* buffer;
|
||||||
|
|
||||||
@ -231,35 +231,37 @@ static void __context_state_callback(pa_context* context, void* data) {
|
|||||||
|
|
||||||
void guac_pa_start_stream(guac_client* client) {
|
void guac_pa_start_stream(guac_client* client) {
|
||||||
|
|
||||||
vnc_guac_client_data* client_data = (vnc_guac_client_data*) client->data;
|
guac_vnc_client* vnc_client = (guac_vnc_client*) client->data;
|
||||||
|
guac_vnc_settings* settings = vnc_client->settings;
|
||||||
|
|
||||||
pa_context* context;
|
pa_context* context;
|
||||||
|
|
||||||
guac_client_log(client, GUAC_LOG_INFO, "Starting audio stream");
|
guac_client_log(client, GUAC_LOG_INFO, "Starting audio stream");
|
||||||
|
|
||||||
/* Init main loop */
|
/* Init main loop */
|
||||||
client_data->pa_mainloop = pa_threaded_mainloop_new();
|
vnc_client->pa_mainloop = pa_threaded_mainloop_new();
|
||||||
|
|
||||||
/* Create context */
|
/* Create context */
|
||||||
context = pa_context_new(
|
context = pa_context_new(
|
||||||
pa_threaded_mainloop_get_api(client_data->pa_mainloop),
|
pa_threaded_mainloop_get_api(vnc_client->pa_mainloop),
|
||||||
"Guacamole Audio");
|
"Guacamole Audio");
|
||||||
|
|
||||||
/* Set up context */
|
/* Set up context */
|
||||||
pa_context_set_state_callback(context, __context_state_callback, client);
|
pa_context_set_state_callback(context, __context_state_callback, client);
|
||||||
pa_context_connect(context, client_data->pa_servername,
|
pa_context_connect(context, settings->pa_servername,
|
||||||
PA_CONTEXT_NOAUTOSPAWN, NULL);
|
PA_CONTEXT_NOAUTOSPAWN, NULL);
|
||||||
|
|
||||||
/* Start loop */
|
/* Start loop */
|
||||||
pa_threaded_mainloop_start(client_data->pa_mainloop);
|
pa_threaded_mainloop_start(vnc_client->pa_mainloop);
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
void guac_pa_stop_stream(guac_client* client) {
|
void guac_pa_stop_stream(guac_client* client) {
|
||||||
|
|
||||||
vnc_guac_client_data* client_data = (vnc_guac_client_data*) client->data;
|
guac_vnc_client* vnc_client = (guac_vnc_client*) client->data;
|
||||||
|
|
||||||
/* Stop loop */
|
/* Stop loop */
|
||||||
pa_threaded_mainloop_stop(client_data->pa_mainloop);
|
pa_threaded_mainloop_stop(vnc_client->pa_mainloop);
|
||||||
|
|
||||||
guac_client_log(client, GUAC_LOG_INFO, "Audio stream finished");
|
guac_client_log(client, GUAC_LOG_INFO, "Audio stream finished");
|
||||||
|
|
||||||
|
@ -26,6 +26,8 @@
|
|||||||
|
|
||||||
#include "config.h"
|
#include "config.h"
|
||||||
|
|
||||||
|
#include <guacamole/client.h>
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The number of bytes to request for the audio fragments received from
|
* The number of bytes to request for the audio fragments received from
|
||||||
* PulseAudio.
|
* PulseAudio.
|
||||||
|
298
src/protocols/vnc/settings.c
Normal file
298
src/protocols/vnc/settings.c
Normal file
@ -0,0 +1,298 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2014 Glyptodon LLC
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
#include "client.h"
|
||||||
|
#include "settings.h"
|
||||||
|
|
||||||
|
#include <guacamole/user.h>
|
||||||
|
|
||||||
|
#include <stdbool.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <time.h>
|
||||||
|
|
||||||
|
/* Client plugin arguments */
|
||||||
|
const char* GUAC_VNC_CLIENT_ARGS[] = {
|
||||||
|
"hostname",
|
||||||
|
"port",
|
||||||
|
"read-only",
|
||||||
|
"encodings",
|
||||||
|
"password",
|
||||||
|
"swap-red-blue",
|
||||||
|
"color-depth",
|
||||||
|
"cursor",
|
||||||
|
"autoretry",
|
||||||
|
"clipboard-encoding",
|
||||||
|
|
||||||
|
#ifdef ENABLE_VNC_REPEATER
|
||||||
|
"dest-host",
|
||||||
|
"dest-port",
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_PULSE
|
||||||
|
"enable-audio",
|
||||||
|
"audio-servername",
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_VNC_LISTEN
|
||||||
|
"reverse-connect",
|
||||||
|
"listen-timeout",
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_COMMON_SSH
|
||||||
|
"enable-sftp",
|
||||||
|
"sftp-hostname",
|
||||||
|
"sftp-port",
|
||||||
|
"sftp-username",
|
||||||
|
"sftp-password",
|
||||||
|
"sftp-private-key",
|
||||||
|
"sftp-passphrase",
|
||||||
|
"sftp-directory",
|
||||||
|
#endif
|
||||||
|
|
||||||
|
NULL
|
||||||
|
};
|
||||||
|
|
||||||
|
enum VNC_ARGS_IDX {
|
||||||
|
|
||||||
|
IDX_HOSTNAME,
|
||||||
|
IDX_PORT,
|
||||||
|
IDX_READ_ONLY,
|
||||||
|
IDX_ENCODINGS,
|
||||||
|
IDX_PASSWORD,
|
||||||
|
IDX_SWAP_RED_BLUE,
|
||||||
|
IDX_COLOR_DEPTH,
|
||||||
|
IDX_CURSOR,
|
||||||
|
IDX_AUTORETRY,
|
||||||
|
IDX_CLIPBOARD_ENCODING,
|
||||||
|
|
||||||
|
#ifdef ENABLE_VNC_REPEATER
|
||||||
|
IDX_DEST_HOST,
|
||||||
|
IDX_DEST_PORT,
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_PULSE
|
||||||
|
IDX_ENABLE_AUDIO,
|
||||||
|
IDX_AUDIO_SERVERNAME,
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_VNC_LISTEN
|
||||||
|
IDX_REVERSE_CONNECT,
|
||||||
|
IDX_LISTEN_TIMEOUT,
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_COMMON_SSH
|
||||||
|
IDX_ENABLE_SFTP,
|
||||||
|
IDX_SFTP_HOSTNAME,
|
||||||
|
IDX_SFTP_PORT,
|
||||||
|
IDX_SFTP_USERNAME,
|
||||||
|
IDX_SFTP_PASSWORD,
|
||||||
|
IDX_SFTP_PRIVATE_KEY,
|
||||||
|
IDX_SFTP_PASSPHRASE,
|
||||||
|
IDX_SFTP_DIRECTORY,
|
||||||
|
#endif
|
||||||
|
|
||||||
|
VNC_ARGS_COUNT
|
||||||
|
};
|
||||||
|
|
||||||
|
guac_vnc_settings* guac_vnc_parse_args(guac_user* user,
|
||||||
|
int argc, const char** argv) {
|
||||||
|
|
||||||
|
/* Validate arg count */
|
||||||
|
if (argc != VNC_ARGS_COUNT) {
|
||||||
|
guac_user_log(user, GUAC_LOG_WARNING, "Incorrect number of connection "
|
||||||
|
"parameters provided: expected %i, got %i.",
|
||||||
|
VNC_ARGS_COUNT, argc);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
guac_vnc_settings* settings = calloc(1, sizeof(guac_vnc_settings));
|
||||||
|
|
||||||
|
settings->hostname =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_HOSTNAME, "");
|
||||||
|
|
||||||
|
settings->port =
|
||||||
|
guac_user_parse_args_int(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_PORT, 0);
|
||||||
|
|
||||||
|
settings->password =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_PASSWORD, ""); /* NOTE: freed by libvncclient */
|
||||||
|
|
||||||
|
/* Remote cursor */
|
||||||
|
if (strcmp(argv[IDX_CURSOR], "remote") == 0) {
|
||||||
|
guac_user_log(user, GUAC_LOG_INFO, "Cursor rendering: remote");
|
||||||
|
settings->remote_cursor = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Local cursor */
|
||||||
|
else {
|
||||||
|
guac_user_log(user, GUAC_LOG_INFO, "Cursor rendering: local");
|
||||||
|
settings->remote_cursor = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Swap red/blue (for buggy VNC servers) */
|
||||||
|
settings->swap_red_blue =
|
||||||
|
guac_user_parse_args_boolean(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_SWAP_RED_BLUE, false);
|
||||||
|
|
||||||
|
/* Read-only mode */
|
||||||
|
settings->read_only =
|
||||||
|
guac_user_parse_args_boolean(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_READ_ONLY, false);
|
||||||
|
|
||||||
|
/* Parse color depth */
|
||||||
|
settings->color_depth =
|
||||||
|
guac_user_parse_args_int(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_COLOR_DEPTH, 0);
|
||||||
|
|
||||||
|
#ifdef ENABLE_VNC_REPEATER
|
||||||
|
/* Set repeater parameters if specified */
|
||||||
|
settings->dest_host =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_DEST_HOST, NULL);
|
||||||
|
|
||||||
|
/* VNC repeater port */
|
||||||
|
settings->dest_port =
|
||||||
|
guac_user_parse_args_int(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_DEST_PORT, 0);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Set encodings if specified */
|
||||||
|
settings->encodings =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_ENCODINGS, NULL);
|
||||||
|
|
||||||
|
/* Parse autoretry */
|
||||||
|
settings->retries =
|
||||||
|
guac_user_parse_args_int(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_AUTORETRY, 0);
|
||||||
|
|
||||||
|
#ifdef ENABLE_VNC_LISTEN
|
||||||
|
/* Set reverse-connection flag */
|
||||||
|
settings->reverse_connect =
|
||||||
|
guac_user_parse_args_boolean(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_REVERSE_CONNECT, false);
|
||||||
|
|
||||||
|
/* Parse listen timeout */
|
||||||
|
settings->listen_timeout =
|
||||||
|
guac_user_parse_args_int(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_LISTEN_TIMEOUT, 5000);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_PULSE
|
||||||
|
/* Audio enable/disable */
|
||||||
|
settings->audio_enabled =
|
||||||
|
guac_user_parse_args_boolean(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_ENABLE_AUDIO, false);
|
||||||
|
|
||||||
|
/* Load servername if specified and applicable */
|
||||||
|
if (settings->audio_enabled)
|
||||||
|
settings->pa_servername =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_AUDIO_SERVERNAME, NULL);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Set clipboard encoding if specified */
|
||||||
|
settings->clipboard_encoding =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_CLIPBOARD_ENCODING, NULL);
|
||||||
|
|
||||||
|
#ifdef ENABLE_COMMON_SSH
|
||||||
|
/* SFTP enable/disable */
|
||||||
|
settings->enable_sftp =
|
||||||
|
guac_user_parse_args_boolean(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_ENABLE_SFTP, false);
|
||||||
|
|
||||||
|
/* Hostname for SFTP connection */
|
||||||
|
settings->sftp_hostname =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_SFTP_HOSTNAME, settings->hostname);
|
||||||
|
|
||||||
|
/* Port for SFTP connection */
|
||||||
|
settings->sftp_port =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_SFTP_PORT, "22");
|
||||||
|
|
||||||
|
/* Username for SSH/SFTP authentication */
|
||||||
|
settings->sftp_username =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_SFTP_USERNAME, "");
|
||||||
|
|
||||||
|
/* Password for SFTP (if not using private key) */
|
||||||
|
settings->sftp_password =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_SFTP_PASSWORD, "");
|
||||||
|
|
||||||
|
/* Private key for SFTP (if not using password) */
|
||||||
|
settings->sftp_private_key =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_SFTP_PRIVATE_KEY, NULL);
|
||||||
|
|
||||||
|
/* Passphrase for decrypting the SFTP private key (if applicable */
|
||||||
|
settings->sftp_passphrase =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_SFTP_PASSPHRASE, "");
|
||||||
|
|
||||||
|
/* Default upload directory */
|
||||||
|
settings->sftp_directory =
|
||||||
|
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
|
||||||
|
IDX_SFTP_DIRECTORY, NULL);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
return settings;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
void guac_vnc_settings_free(guac_vnc_settings* settings) {
|
||||||
|
|
||||||
|
/* Free settings strings */
|
||||||
|
free(settings->clipboard_encoding);
|
||||||
|
free(settings->dest_host);
|
||||||
|
free(settings->encodings);
|
||||||
|
free(settings->hostname);
|
||||||
|
|
||||||
|
#ifdef ENABLE_COMMON_SSH
|
||||||
|
/* Free SFTP settings */
|
||||||
|
free(settings->sftp_directory);
|
||||||
|
free(settings->sftp_hostname);
|
||||||
|
free(settings->sftp_passphrase);
|
||||||
|
free(settings->sftp_password);
|
||||||
|
free(settings->sftp_port);
|
||||||
|
free(settings->sftp_private_key);
|
||||||
|
free(settings->sftp_username);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_PULSE
|
||||||
|
/* Free PulseAudio settings */
|
||||||
|
free(settings->pa_servername);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Free settings structure */
|
||||||
|
free(settings);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
183
src/protocols/vnc/settings.h
Normal file
183
src/protocols/vnc/settings.h
Normal file
@ -0,0 +1,183 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2014 Glyptodon LLC
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
#ifndef __GUAC_VNC_SETTINGS_H
|
||||||
|
#define __GUAC_VNC_SETTINGS_H
|
||||||
|
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
#include <stdbool.h>
|
||||||
|
|
||||||
|
/**
|
||||||
|
* VNC-specific client data.
|
||||||
|
*/
|
||||||
|
typedef struct guac_vnc_settings {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The hostname of the VNC server (or repeater) to connect to.
|
||||||
|
*/
|
||||||
|
char* hostname;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The port of the VNC server (or repeater) to connect to.
|
||||||
|
*/
|
||||||
|
int port;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The password given in the arguments.
|
||||||
|
*/
|
||||||
|
char* password;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Space-separated list of encodings to use within the VNC session.
|
||||||
|
*/
|
||||||
|
char* encodings;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Whether the red and blue components of each color should be swapped.
|
||||||
|
* This is mainly used for VNC servers that do not properly handle
|
||||||
|
* colors.
|
||||||
|
*/
|
||||||
|
bool swap_red_blue;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The color depth to request, in bits.
|
||||||
|
*/
|
||||||
|
int color_depth;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Whether this connection is read-only, and user input should be dropped.
|
||||||
|
*/
|
||||||
|
bool read_only;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The VNC host to connect to, if using a repeater.
|
||||||
|
*/
|
||||||
|
char* dest_host;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The VNC port to connect to, if using a repeater.
|
||||||
|
*/
|
||||||
|
int dest_port;
|
||||||
|
|
||||||
|
#ifdef ENABLE_VNC_LISTEN
|
||||||
|
/**
|
||||||
|
* Whether not actually connecting to a VNC server, but rather listening
|
||||||
|
* for a connection from the VNC server (reverse connection).
|
||||||
|
*/
|
||||||
|
bool reverse_connect;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The maximum amount of time to wait when listening for connections, in
|
||||||
|
* milliseconds.
|
||||||
|
*/
|
||||||
|
int listen_timeout;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Whether the cursor should be rendered on the server (remote) or on the
|
||||||
|
* client (local).
|
||||||
|
*/
|
||||||
|
int remote_cursor;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Whether audio is enabled.
|
||||||
|
*/
|
||||||
|
bool audio_enabled;
|
||||||
|
|
||||||
|
#ifdef ENABLE_PULSE
|
||||||
|
/**
|
||||||
|
* The name of the PulseAudio server to connect to.
|
||||||
|
*/
|
||||||
|
char* pa_servername;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The number of connection attempts to make before giving up.
|
||||||
|
*/
|
||||||
|
int retries;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The encoding to use for clipboard data sent to the VNC server, or NULL
|
||||||
|
* to use the encoding required by the VNC standard.
|
||||||
|
*/
|
||||||
|
char* clipboard_encoding;
|
||||||
|
|
||||||
|
#ifdef ENABLE_COMMON_SSH
|
||||||
|
bool enable_sftp;
|
||||||
|
|
||||||
|
char* sftp_hostname;
|
||||||
|
|
||||||
|
char* sftp_port;
|
||||||
|
|
||||||
|
char* sftp_username;
|
||||||
|
|
||||||
|
char* sftp_password;
|
||||||
|
|
||||||
|
char* sftp_private_key;
|
||||||
|
|
||||||
|
char* sftp_passphrase;
|
||||||
|
|
||||||
|
char* sftp_directory;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
} guac_vnc_settings;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Parses all given args, storing them in a newly-allocated settings object. If
|
||||||
|
* the args fail to parse, NULL is returned.
|
||||||
|
*
|
||||||
|
* @param user
|
||||||
|
* The user who submitted the given arguments while joining the
|
||||||
|
* connection.
|
||||||
|
*
|
||||||
|
* @param argc
|
||||||
|
* The number of arguments within the argv array.
|
||||||
|
*
|
||||||
|
* @param argv
|
||||||
|
* The values of all arguments provided by the user.
|
||||||
|
*
|
||||||
|
* @return
|
||||||
|
* A newly-allocated settings object which must be freed with
|
||||||
|
* guac_vnc_settings_free() when no longer needed. If the arguments fail
|
||||||
|
* to parse, NULL is returned.
|
||||||
|
*/
|
||||||
|
guac_vnc_settings* guac_vnc_parse_args(guac_user* user,
|
||||||
|
int argc, const char** argv);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Frees the given guac_vnc_settings object, having been previously allocated
|
||||||
|
* via guac_vnc_parse_args().
|
||||||
|
*
|
||||||
|
* @param settings
|
||||||
|
* The settings object to free.
|
||||||
|
*/
|
||||||
|
void guac_vnc_settings_free(guac_vnc_settings* settings);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* NULL-terminated array of accepted client args.
|
||||||
|
*/
|
||||||
|
extern const char* GUAC_VNC_CLIENT_ARGS[];
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -22,21 +22,23 @@
|
|||||||
|
|
||||||
#include "config.h"
|
#include "config.h"
|
||||||
|
|
||||||
#include "client.h"
|
|
||||||
#include "guac_sftp.h"
|
#include "guac_sftp.h"
|
||||||
#include "sftp.h"
|
#include "sftp.h"
|
||||||
|
#include "vnc.h"
|
||||||
|
|
||||||
#include <guacamole/client.h>
|
#include <guacamole/client.h>
|
||||||
#include <guacamole/stream.h>
|
#include <guacamole/stream.h>
|
||||||
|
#include <guacamole/user.h>
|
||||||
|
|
||||||
int guac_vnc_sftp_file_handler(guac_client* client, guac_stream* stream,
|
int guac_vnc_sftp_file_handler(guac_user* user, guac_stream* stream,
|
||||||
char* mimetype, char* filename) {
|
char* mimetype, char* filename) {
|
||||||
|
|
||||||
vnc_guac_client_data* client_data = (vnc_guac_client_data*) client->data;
|
guac_client* client = user->client;
|
||||||
guac_object* filesystem = client_data->sftp_filesystem;
|
guac_vnc_client* vnc_client = (guac_vnc_client*) client->data;
|
||||||
|
guac_common_ssh_sftp_filesystem* filesystem = vnc_client->sftp_filesystem;
|
||||||
|
|
||||||
/* Handle file upload */
|
/* Handle file upload */
|
||||||
return guac_common_ssh_sftp_handle_file_stream(filesystem, stream,
|
return guac_common_ssh_sftp_handle_file_stream(filesystem, user, stream,
|
||||||
mimetype, filename);
|
mimetype, filename);
|
||||||
|
|
||||||
}
|
}
|
||||||
|
@ -25,15 +25,15 @@
|
|||||||
|
|
||||||
#include "config.h"
|
#include "config.h"
|
||||||
|
|
||||||
#include <guacamole/client.h>
|
|
||||||
#include <guacamole/stream.h>
|
#include <guacamole/stream.h>
|
||||||
|
#include <guacamole/user.h>
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Handles an incoming stream from a Guacamole "file" instruction, saving the
|
* Handles an incoming stream from a Guacamole "file" instruction, saving the
|
||||||
* contents of that stream to the file having the given name.
|
* contents of that stream to the file having the given name.
|
||||||
*
|
*
|
||||||
* @param client
|
* @param user
|
||||||
* The client receiving the uploaded file.
|
* The user uploading the file.
|
||||||
*
|
*
|
||||||
* @param stream
|
* @param stream
|
||||||
* The stream through which the uploaded file data will be received.
|
* The stream through which the uploaded file data will be received.
|
||||||
@ -48,7 +48,7 @@
|
|||||||
* Zero if the incoming stream has been handled successfully, non-zero on
|
* Zero if the incoming stream has been handled successfully, non-zero on
|
||||||
* failure.
|
* failure.
|
||||||
*/
|
*/
|
||||||
int guac_vnc_sftp_file_handler(guac_client* client, guac_stream* stream,
|
int guac_vnc_sftp_file_handler(guac_user* user, guac_stream* stream,
|
||||||
char* mimetype, char* filename);
|
char* mimetype, char* filename);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
111
src/protocols/vnc/user.c
Normal file
111
src/protocols/vnc/user.c
Normal file
@ -0,0 +1,111 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2014 Glyptodon LLC
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
#include "clipboard.h"
|
||||||
|
#include "input.h"
|
||||||
|
#include "guac_display.h"
|
||||||
|
#include "guac_dot_cursor.h"
|
||||||
|
#include "guac_pointer_cursor.h"
|
||||||
|
#include "user.h"
|
||||||
|
#include "sftp.h"
|
||||||
|
#include "vnc.h"
|
||||||
|
|
||||||
|
#include <guacamole/audio.h>
|
||||||
|
#include <guacamole/client.h>
|
||||||
|
#include <guacamole/socket.h>
|
||||||
|
#include <guacamole/user.h>
|
||||||
|
#include <rfb/rfbclient.h>
|
||||||
|
#include <rfb/rfbproto.h>
|
||||||
|
|
||||||
|
#include <pthread.h>
|
||||||
|
|
||||||
|
int guac_vnc_user_join_handler(guac_user* user, int argc, char** argv) {
|
||||||
|
|
||||||
|
guac_vnc_client* vnc_client = (guac_vnc_client*) user->client->data;
|
||||||
|
|
||||||
|
/* Connect via VNC if owner */
|
||||||
|
if (user->owner) {
|
||||||
|
|
||||||
|
/* Parse arguments into client */
|
||||||
|
guac_vnc_settings* settings = vnc_client->settings =
|
||||||
|
guac_vnc_parse_args(user, argc, (const char**) argv);
|
||||||
|
|
||||||
|
/* Fail if settings cannot be parsed */
|
||||||
|
if (settings == NULL) {
|
||||||
|
guac_user_log(user, GUAC_LOG_INFO,
|
||||||
|
"Badly formatted client arguments.");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Start client thread */
|
||||||
|
if (pthread_create(&vnc_client->client_thread, NULL, guac_vnc_client_thread, user->client)) {
|
||||||
|
guac_user_log(user, GUAC_LOG_ERROR, "Unable to start VNC client thread.");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/* If not owner, synchronize with current state */
|
||||||
|
else {
|
||||||
|
|
||||||
|
#ifdef ENABLE_PULSE
|
||||||
|
/* Synchronize an audio stream */
|
||||||
|
if (vnc_client->audio)
|
||||||
|
guac_audio_stream_add_user(vnc_client->audio, user);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Synchronize with current display */
|
||||||
|
guac_common_display_dup(vnc_client->display, user, user->socket);
|
||||||
|
guac_socket_flush(user->socket);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Only handle events if not read-only */
|
||||||
|
if (vnc_client->settings->read_only == 0) {
|
||||||
|
|
||||||
|
/* General mouse/keyboard/clipboard events */
|
||||||
|
user->mouse_handler = guac_vnc_user_mouse_handler;
|
||||||
|
user->key_handler = guac_vnc_user_key_handler;
|
||||||
|
user->clipboard_handler = guac_vnc_clipboard_handler;
|
||||||
|
|
||||||
|
#ifdef ENABLE_COMMON_SSH
|
||||||
|
/* Set generic (non-filesystem) file upload handler */
|
||||||
|
user->file_handler = guac_vnc_sftp_file_handler;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
int guac_vnc_user_leave_handler(guac_user* user) {
|
||||||
|
|
||||||
|
guac_vnc_client* vnc_client = (guac_vnc_client*) user->client->data;
|
||||||
|
|
||||||
|
guac_common_cursor_remove_user(vnc_client->display->cursor, user);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
43
src/protocols/vnc/user.h
Normal file
43
src/protocols/vnc/user.h
Normal file
@ -0,0 +1,43 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2014 Glyptodon LLC
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef GUAC_VNC_USER_H
|
||||||
|
#define GUAC_VNC_USER_H
|
||||||
|
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
#include "guac_clipboard.h"
|
||||||
|
|
||||||
|
#include <guacamole/user.h>
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Handler for joining users.
|
||||||
|
*/
|
||||||
|
int guac_vnc_user_join_handler(guac_user* user, int argc, char** argv);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Handler for leaving users.
|
||||||
|
*/
|
||||||
|
int guac_vnc_user_leave_handler(guac_user* user);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
404
src/protocols/vnc/vnc.c
Normal file
404
src/protocols/vnc/vnc.c
Normal file
@ -0,0 +1,404 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2013 Glyptodon LLC
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
#include "auth.h"
|
||||||
|
#include "client.h"
|
||||||
|
#include "clipboard.h"
|
||||||
|
#include "cursor.h"
|
||||||
|
#include "display.h"
|
||||||
|
#include "guac_clipboard.h"
|
||||||
|
#include "guac_cursor.h"
|
||||||
|
#include "guac_display.h"
|
||||||
|
#include "log.h"
|
||||||
|
#include "settings.h"
|
||||||
|
#include "vnc.h"
|
||||||
|
|
||||||
|
#ifdef ENABLE_PULSE
|
||||||
|
#include "pulse.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_COMMON_SSH
|
||||||
|
#include "guac_sftp.h"
|
||||||
|
#include "guac_ssh.h"
|
||||||
|
#include "sftp.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <guacamole/client.h>
|
||||||
|
#include <guacamole/protocol.h>
|
||||||
|
#include <guacamole/socket.h>
|
||||||
|
#include <guacamole/timestamp.h>
|
||||||
|
#include <rfb/rfbclient.h>
|
||||||
|
#include <rfb/rfbproto.h>
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <time.h>
|
||||||
|
|
||||||
|
char* GUAC_VNC_CLIENT_KEY = "GUAC_VNC";
|
||||||
|
|
||||||
|
rfbClient* guac_vnc_get_client(guac_client* client) {
|
||||||
|
|
||||||
|
rfbClient* rfb_client = rfbGetClient(8, 3, 4); /* 32-bpp client */
|
||||||
|
guac_vnc_client* vnc_client = (guac_vnc_client*) client->data;
|
||||||
|
guac_vnc_settings* vnc_settings = vnc_client->settings;
|
||||||
|
|
||||||
|
/* Store Guac client in rfb client */
|
||||||
|
rfbClientSetClientData(rfb_client, GUAC_VNC_CLIENT_KEY, client);
|
||||||
|
|
||||||
|
/* Framebuffer update handler */
|
||||||
|
rfb_client->GotFrameBufferUpdate = guac_vnc_update;
|
||||||
|
rfb_client->GotCopyRect = guac_vnc_copyrect;
|
||||||
|
|
||||||
|
/* Do not handle clipboard and local cursor if read-only */
|
||||||
|
if (vnc_settings->read_only == 0) {
|
||||||
|
|
||||||
|
/* Clipboard */
|
||||||
|
rfb_client->GotXCutText = guac_vnc_cut_text;
|
||||||
|
|
||||||
|
/* Set remote cursor */
|
||||||
|
if (vnc_settings->remote_cursor) {
|
||||||
|
rfb_client->appData.useRemoteCursor = FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
else {
|
||||||
|
/* Enable client-side cursor */
|
||||||
|
rfb_client->appData.useRemoteCursor = TRUE;
|
||||||
|
rfb_client->GotCursorShape = guac_vnc_cursor;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Password */
|
||||||
|
rfb_client->GetPassword = guac_vnc_get_password;
|
||||||
|
|
||||||
|
/* Depth */
|
||||||
|
guac_vnc_set_pixel_format(rfb_client, vnc_settings->color_depth);
|
||||||
|
|
||||||
|
/* Hook into allocation so we can handle resize. */
|
||||||
|
vnc_client->rfb_MallocFrameBuffer = rfb_client->MallocFrameBuffer;
|
||||||
|
rfb_client->MallocFrameBuffer = guac_vnc_malloc_framebuffer;
|
||||||
|
rfb_client->canHandleNewFBSize = 1;
|
||||||
|
|
||||||
|
/* Set hostname and port */
|
||||||
|
rfb_client->serverHost = strdup(vnc_settings->hostname);
|
||||||
|
rfb_client->serverPort = vnc_settings->port;
|
||||||
|
|
||||||
|
#ifdef ENABLE_VNC_REPEATER
|
||||||
|
/* Set repeater parameters if specified */
|
||||||
|
if (vnc_settings->dest_host) {
|
||||||
|
rfb_client->destHost = strdup(vnc_settings->dest_host);
|
||||||
|
rfb_client->destPort = vnc_settings->dest_port;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_VNC_LISTEN
|
||||||
|
/* If reverse connection enabled, start listening */
|
||||||
|
if (vnc_settings->reverse_connect) {
|
||||||
|
|
||||||
|
guac_client_log(client, GUAC_LOG_INFO, "Listening for connections on port %i", vnc_settings->port);
|
||||||
|
|
||||||
|
/* Listen for connection from server */
|
||||||
|
rfb_client->listenPort = vnc_settings->port;
|
||||||
|
if (listenForIncomingConnectionsNoFork(rfb_client, vnc_settings->listen_timeout*1000) <= 0)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Set encodings if provided */
|
||||||
|
if (vnc_settings->encodings)
|
||||||
|
rfb_client->appData.encodingsString = strdup(vnc_settings->encodings);
|
||||||
|
|
||||||
|
/* Connect */
|
||||||
|
if (rfbInitClient(rfb_client, NULL, NULL))
|
||||||
|
return rfb_client;
|
||||||
|
|
||||||
|
/* If connection fails, return NULL */
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Waits until data is available to be read from the given rfbClient, and thus
|
||||||
|
* a call to HandleRFBServerMessages() should not block. If the timeout elapses
|
||||||
|
* before data is available, zero is returned.
|
||||||
|
*
|
||||||
|
* @param rfb_client
|
||||||
|
* The rfbClient to wait for.
|
||||||
|
*
|
||||||
|
* @param timeout
|
||||||
|
* The maximum amount of time to wait, in microseconds.
|
||||||
|
*
|
||||||
|
* @returns
|
||||||
|
* A positive value if data is available, zero if the timeout elapses
|
||||||
|
* before data becomes available, or a negative value on error.
|
||||||
|
*/
|
||||||
|
static int guac_vnc_wait_for_messages(rfbClient* rfb_client, int timeout) {
|
||||||
|
|
||||||
|
/* Do not explicitly wait while data is on the buffer */
|
||||||
|
if (rfb_client->buffered)
|
||||||
|
return 1;
|
||||||
|
|
||||||
|
/* If no data on buffer, wait for data on socket */
|
||||||
|
return WaitForMessage(rfb_client, timeout);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
void* guac_vnc_client_thread(void* data) {
|
||||||
|
|
||||||
|
guac_client* client = (guac_client*) data;
|
||||||
|
guac_vnc_client* vnc_client = (guac_vnc_client*) client->data;
|
||||||
|
guac_vnc_settings* settings = vnc_client->settings;
|
||||||
|
|
||||||
|
/* Configure clipboard encoding */
|
||||||
|
if (guac_vnc_set_clipboard_encoding(client, settings->clipboard_encoding)) {
|
||||||
|
guac_client_log(client, GUAC_LOG_INFO, "Using non-standard VNC "
|
||||||
|
"clipboard encoding: '%s'.", settings->clipboard_encoding);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Ensure connection is kept alive during lengthy connects */
|
||||||
|
guac_socket_require_keep_alive(client->socket);
|
||||||
|
|
||||||
|
/* Set up libvncclient logging */
|
||||||
|
rfbClientLog = guac_vnc_client_log_info;
|
||||||
|
rfbClientErr = guac_vnc_client_log_error;
|
||||||
|
|
||||||
|
/* Attempt connection */
|
||||||
|
rfbClient* rfb_client = guac_vnc_get_client(client);
|
||||||
|
int retries_remaining = settings->retries;
|
||||||
|
|
||||||
|
/* If unsuccessful, retry as many times as specified */
|
||||||
|
while (!rfb_client && retries_remaining > 0) {
|
||||||
|
|
||||||
|
guac_client_log(client, GUAC_LOG_INFO,
|
||||||
|
"Connect failed. Waiting %ims before retrying...",
|
||||||
|
GUAC_VNC_CONNECT_INTERVAL);
|
||||||
|
|
||||||
|
/* Wait for given interval then retry */
|
||||||
|
guac_timestamp_msleep(GUAC_VNC_CONNECT_INTERVAL);
|
||||||
|
rfb_client = guac_vnc_get_client(client);
|
||||||
|
retries_remaining--;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/* If the final connect attempt fails, return error */
|
||||||
|
if (!rfb_client) {
|
||||||
|
guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Unable to connect to VNC server.");
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef ENABLE_PULSE
|
||||||
|
/* If an encoding is available, load an audio stream */
|
||||||
|
if (settings->audio_enabled) {
|
||||||
|
|
||||||
|
vnc_client->audio = guac_audio_stream_alloc(client, NULL,
|
||||||
|
GUAC_VNC_AUDIO_RATE,
|
||||||
|
GUAC_VNC_AUDIO_CHANNELS,
|
||||||
|
GUAC_VNC_AUDIO_BPS);
|
||||||
|
|
||||||
|
/* If successful, init audio system */
|
||||||
|
if (vnc_client->audio != NULL) {
|
||||||
|
|
||||||
|
guac_client_log(client, GUAC_LOG_INFO,
|
||||||
|
"Audio will be encoded as %s",
|
||||||
|
vnc_client->audio->encoder->mimetype);
|
||||||
|
|
||||||
|
/* Start audio stream */
|
||||||
|
guac_pa_start_stream(client);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Otherwise, audio loading failed */
|
||||||
|
else
|
||||||
|
guac_client_log(client, GUAC_LOG_INFO,
|
||||||
|
"No available audio encoding. Sound disabled.");
|
||||||
|
|
||||||
|
} /* end if audio enabled */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_COMMON_SSH
|
||||||
|
guac_common_ssh_init(client);
|
||||||
|
|
||||||
|
/* Connect via SSH if SFTP is enabled */
|
||||||
|
if (settings->enable_sftp) {
|
||||||
|
|
||||||
|
guac_client_log(client, GUAC_LOG_DEBUG,
|
||||||
|
"Connecting via SSH for SFTP filesystem access.");
|
||||||
|
|
||||||
|
vnc_client->sftp_user =
|
||||||
|
guac_common_ssh_create_user(settings->sftp_username);
|
||||||
|
|
||||||
|
/* Import private key, if given */
|
||||||
|
if (settings->sftp_private_key != NULL) {
|
||||||
|
|
||||||
|
guac_client_log(client, GUAC_LOG_DEBUG,
|
||||||
|
"Authenticating with private key.");
|
||||||
|
|
||||||
|
/* Abort if private key cannot be read */
|
||||||
|
if (guac_common_ssh_user_import_key(vnc_client->sftp_user,
|
||||||
|
settings->sftp_private_key,
|
||||||
|
settings->sftp_passphrase)) {
|
||||||
|
guac_common_ssh_destroy_user(vnc_client->sftp_user);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Otherwise, use specified password */
|
||||||
|
else {
|
||||||
|
guac_client_log(client, GUAC_LOG_DEBUG,
|
||||||
|
"Authenticating with password.");
|
||||||
|
guac_common_ssh_user_set_password(vnc_client->sftp_user,
|
||||||
|
settings->sftp_password);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Attempt SSH connection */
|
||||||
|
vnc_client->sftp_session =
|
||||||
|
guac_common_ssh_create_session(client, settings->sftp_hostname,
|
||||||
|
settings->sftp_port, vnc_client->sftp_user);
|
||||||
|
|
||||||
|
/* Fail if SSH connection does not succeed */
|
||||||
|
if (vnc_client->sftp_session == NULL) {
|
||||||
|
/* Already aborted within guac_common_ssh_create_session() */
|
||||||
|
guac_common_ssh_destroy_user(vnc_client->sftp_user);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Load filesystem */
|
||||||
|
vnc_client->sftp_filesystem =
|
||||||
|
guac_common_ssh_create_sftp_filesystem(
|
||||||
|
vnc_client->sftp_session, "/");
|
||||||
|
|
||||||
|
/* Expose filesystem to connection owner */
|
||||||
|
guac_client_for_owner(client,
|
||||||
|
guac_common_ssh_expose_sftp_filesystem,
|
||||||
|
vnc_client->sftp_filesystem);
|
||||||
|
|
||||||
|
/* Abort if SFTP connection fails */
|
||||||
|
if (vnc_client->sftp_filesystem == NULL) {
|
||||||
|
guac_common_ssh_destroy_session(vnc_client->sftp_session);
|
||||||
|
guac_common_ssh_destroy_user(vnc_client->sftp_user);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Configure destination for basic uploads, if specified */
|
||||||
|
if (settings->sftp_directory != NULL)
|
||||||
|
guac_common_ssh_sftp_set_upload_path(
|
||||||
|
vnc_client->sftp_filesystem,
|
||||||
|
settings->sftp_directory);
|
||||||
|
|
||||||
|
guac_client_log(client, GUAC_LOG_DEBUG,
|
||||||
|
"SFTP connection succeeded.");
|
||||||
|
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Set remaining client data */
|
||||||
|
vnc_client->rfb_client = rfb_client;
|
||||||
|
|
||||||
|
/* Send name */
|
||||||
|
guac_protocol_send_name(client->socket, rfb_client->desktopName);
|
||||||
|
|
||||||
|
/* Create display */
|
||||||
|
vnc_client->display = guac_common_display_alloc(client,
|
||||||
|
rfb_client->width, rfb_client->height);
|
||||||
|
|
||||||
|
/* If not read-only, set an appropriate cursor */
|
||||||
|
if (settings->read_only == 0) {
|
||||||
|
if (settings->remote_cursor)
|
||||||
|
guac_common_cursor_set_dot(vnc_client->display->cursor);
|
||||||
|
else
|
||||||
|
guac_common_cursor_set_pointer(vnc_client->display->cursor);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
guac_socket_flush(client->socket);
|
||||||
|
|
||||||
|
guac_timestamp last_frame_end = guac_timestamp_current();
|
||||||
|
|
||||||
|
/* Handle messages from VNC server while client is running */
|
||||||
|
while (client->state == GUAC_CLIENT_RUNNING) {
|
||||||
|
|
||||||
|
/* Wait for start of frame */
|
||||||
|
int wait_result = guac_vnc_wait_for_messages(rfb_client, 1000000);
|
||||||
|
if (wait_result > 0) {
|
||||||
|
|
||||||
|
guac_timestamp frame_start = guac_timestamp_current();
|
||||||
|
|
||||||
|
/* Calculate time since last frame */
|
||||||
|
int time_elapsed = frame_start - last_frame_end;
|
||||||
|
int processing_lag = guac_client_get_processing_lag(client);
|
||||||
|
|
||||||
|
/* Force roughly-equal length of server and client frames */
|
||||||
|
if (time_elapsed < processing_lag)
|
||||||
|
guac_timestamp_msleep(processing_lag - time_elapsed);
|
||||||
|
|
||||||
|
/* Read server messages until frame is built */
|
||||||
|
do {
|
||||||
|
|
||||||
|
guac_timestamp frame_end;
|
||||||
|
int frame_remaining;
|
||||||
|
|
||||||
|
/* Handle any message received */
|
||||||
|
if (!HandleRFBServerMessage(rfb_client)) {
|
||||||
|
guac_client_abort(client,
|
||||||
|
GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR,
|
||||||
|
"Error handling message from VNC server.");
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Calculate time remaining in frame */
|
||||||
|
frame_end = guac_timestamp_current();
|
||||||
|
frame_remaining = frame_start + GUAC_VNC_FRAME_DURATION
|
||||||
|
- frame_end;
|
||||||
|
|
||||||
|
/* Wait again if frame remaining */
|
||||||
|
if (frame_remaining > 0)
|
||||||
|
wait_result = guac_vnc_wait_for_messages(rfb_client,
|
||||||
|
GUAC_VNC_FRAME_TIMEOUT*1000);
|
||||||
|
else
|
||||||
|
break;
|
||||||
|
|
||||||
|
} while (wait_result > 0);
|
||||||
|
|
||||||
|
/* Record end of frame */
|
||||||
|
last_frame_end = guac_timestamp_current();
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/* If an error occurs, log it and fail */
|
||||||
|
if (wait_result < 0)
|
||||||
|
guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Connection closed.");
|
||||||
|
|
||||||
|
guac_common_surface_flush(vnc_client->display->default_surface);
|
||||||
|
guac_client_end_frame(client);
|
||||||
|
guac_socket_flush(client->socket);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
guac_client_log(client, GUAC_LOG_INFO, "Internal VNC client disconnected");
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
153
src/protocols/vnc/vnc.h
Normal file
153
src/protocols/vnc/vnc.h
Normal file
@ -0,0 +1,153 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2014 Glyptodon LLC
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef GUAC_VNC_VNC_H
|
||||||
|
#define GUAC_VNC_VNC_H
|
||||||
|
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
#include "guac_clipboard.h"
|
||||||
|
#include "guac_display.h"
|
||||||
|
#include "guac_iconv.h"
|
||||||
|
#include "guac_surface.h"
|
||||||
|
#include "settings.h"
|
||||||
|
|
||||||
|
#include <guacamole/client.h>
|
||||||
|
#include <guacamole/layer.h>
|
||||||
|
#include <rfb/rfbclient.h>
|
||||||
|
|
||||||
|
#ifdef ENABLE_PULSE
|
||||||
|
#include <guacamole/audio.h>
|
||||||
|
#include <pulse/pulseaudio.h>
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_COMMON_SSH
|
||||||
|
#include "guac_sftp.h"
|
||||||
|
#include "guac_ssh.h"
|
||||||
|
#include "guac_ssh_user.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <pthread.h>
|
||||||
|
|
||||||
|
/**
|
||||||
|
* VNC-specific client data.
|
||||||
|
*/
|
||||||
|
typedef struct guac_vnc_client {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The VNC client thread.
|
||||||
|
*/
|
||||||
|
pthread_t client_thread;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The underlying VNC client.
|
||||||
|
*/
|
||||||
|
rfbClient* rfb_client;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The original framebuffer malloc procedure provided by the initialized
|
||||||
|
* rfbClient.
|
||||||
|
*/
|
||||||
|
MallocFrameBufferProc rfb_MallocFrameBuffer;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Whether copyrect was used to produce the latest update received
|
||||||
|
* by the VNC server.
|
||||||
|
*/
|
||||||
|
int copy_rect_used;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Client settings, parsed from args.
|
||||||
|
*/
|
||||||
|
guac_vnc_settings* settings;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The current display state.
|
||||||
|
*/
|
||||||
|
guac_common_display* display;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Internal clipboard.
|
||||||
|
*/
|
||||||
|
guac_common_clipboard* clipboard;
|
||||||
|
|
||||||
|
#ifdef ENABLE_PULSE
|
||||||
|
/**
|
||||||
|
* Audio output, if any.
|
||||||
|
*/
|
||||||
|
guac_audio_stream* audio;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* PulseAudio event loop.
|
||||||
|
*/
|
||||||
|
pa_threaded_mainloop* pa_mainloop;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef ENABLE_COMMON_SSH
|
||||||
|
/**
|
||||||
|
* The user and credentials used to authenticate for SFTP.
|
||||||
|
*/
|
||||||
|
guac_common_ssh_user* sftp_user;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The SSH session used for SFTP.
|
||||||
|
*/
|
||||||
|
guac_common_ssh_session* sftp_session;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* An SFTP-based filesystem.
|
||||||
|
*/
|
||||||
|
guac_common_ssh_sftp_filesystem* sftp_filesystem;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Clipboard encoding-specific reader.
|
||||||
|
*/
|
||||||
|
guac_iconv_read* clipboard_reader;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Clipboard encoding-specific writer.
|
||||||
|
*/
|
||||||
|
guac_iconv_write* clipboard_writer;
|
||||||
|
|
||||||
|
} guac_vnc_client;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Allocates a new rfbClient instance given the parameters stored within the
|
||||||
|
* client, returning NULL on failure.
|
||||||
|
*/
|
||||||
|
rfbClient* guac_vnc_get_client(guac_client* client);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* VNC client thread. This thread runs throughout the duration of the client,
|
||||||
|
* existing as a single instance, shared by all users.
|
||||||
|
*/
|
||||||
|
void* guac_vnc_client_thread(void* data);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Key which can be used with the rfbClientGetClientData function to return
|
||||||
|
* the associated guac_client.
|
||||||
|
*/
|
||||||
|
extern char* GUAC_VNC_CLIENT_KEY;
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -1,350 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (C) 2013 Glyptodon LLC
|
|
||||||
*
|
|
||||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
||||||
* of this software and associated documentation files (the "Software"), to deal
|
|
||||||
* in the Software without restriction, including without limitation the rights
|
|
||||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
||||||
* copies of the Software, and to permit persons to whom the Software is
|
|
||||||
* furnished to do so, subject to the following conditions:
|
|
||||||
*
|
|
||||||
* The above copyright notice and this permission notice shall be included in
|
|
||||||
* all copies or substantial portions of the Software.
|
|
||||||
*
|
|
||||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
||||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
||||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
||||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
||||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
||||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
||||||
* THE SOFTWARE.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include "config.h"
|
|
||||||
|
|
||||||
#include "client.h"
|
|
||||||
#include "guac_iconv.h"
|
|
||||||
#include "guac_surface.h"
|
|
||||||
|
|
||||||
#include <cairo/cairo.h>
|
|
||||||
#include <guacamole/client.h>
|
|
||||||
#include <guacamole/layer.h>
|
|
||||||
#include <guacamole/protocol.h>
|
|
||||||
#include <guacamole/socket.h>
|
|
||||||
#include <rfb/rfbclient.h>
|
|
||||||
#include <rfb/rfbproto.h>
|
|
||||||
|
|
||||||
/* Define cairo_format_stride_for_width() if missing */
|
|
||||||
#ifndef HAVE_CAIRO_FORMAT_STRIDE_FOR_WIDTH
|
|
||||||
#define cairo_format_stride_for_width(format, width) (width*4)
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#include <stdarg.h>
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <syslog.h>
|
|
||||||
|
|
||||||
void guac_vnc_cursor(rfbClient* client, int x, int y, int w, int h, int bpp) {
|
|
||||||
|
|
||||||
guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
|
|
||||||
guac_socket* socket = gc->socket;
|
|
||||||
vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) gc->data;
|
|
||||||
const guac_layer* cursor_layer = guac_client_data->cursor;
|
|
||||||
|
|
||||||
/* Cairo image buffer */
|
|
||||||
int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, w);
|
|
||||||
unsigned char* buffer = malloc(h*stride);
|
|
||||||
unsigned char* buffer_row_current = buffer;
|
|
||||||
cairo_surface_t* surface;
|
|
||||||
|
|
||||||
/* VNC image buffer */
|
|
||||||
unsigned int fb_stride = bpp * w;
|
|
||||||
unsigned char* fb_row_current = client->rcSource;
|
|
||||||
unsigned char* fb_mask = client->rcMask;
|
|
||||||
|
|
||||||
int dx, dy;
|
|
||||||
|
|
||||||
/* Copy image data from VNC client to RGBA buffer */
|
|
||||||
for (dy = 0; dy<h; dy++) {
|
|
||||||
|
|
||||||
unsigned int* buffer_current;
|
|
||||||
unsigned char* fb_current;
|
|
||||||
|
|
||||||
/* Get current buffer row, advance to next */
|
|
||||||
buffer_current = (unsigned int*) buffer_row_current;
|
|
||||||
buffer_row_current += stride;
|
|
||||||
|
|
||||||
/* Get current framebuffer row, advance to next */
|
|
||||||
fb_current = fb_row_current;
|
|
||||||
fb_row_current += fb_stride;
|
|
||||||
|
|
||||||
for (dx = 0; dx<w; dx++) {
|
|
||||||
|
|
||||||
unsigned char alpha, red, green, blue;
|
|
||||||
unsigned int v;
|
|
||||||
|
|
||||||
/* Read current pixel value */
|
|
||||||
switch (bpp) {
|
|
||||||
case 4:
|
|
||||||
v = *((unsigned int*) fb_current);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 2:
|
|
||||||
v = *((unsigned short*) fb_current);
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
v = *((unsigned char*) fb_current);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Translate mask to alpha */
|
|
||||||
if (*(fb_mask++)) alpha = 0xFF;
|
|
||||||
else alpha = 0x00;
|
|
||||||
|
|
||||||
/* Translate value to RGB */
|
|
||||||
red = (v >> client->format.redShift) * 0x100 / (client->format.redMax + 1);
|
|
||||||
green = (v >> client->format.greenShift) * 0x100 / (client->format.greenMax+ 1);
|
|
||||||
blue = (v >> client->format.blueShift) * 0x100 / (client->format.blueMax + 1);
|
|
||||||
|
|
||||||
/* Output ARGB */
|
|
||||||
if (guac_client_data->swap_red_blue)
|
|
||||||
*(buffer_current++) = (alpha << 24) | (blue << 16) | (green << 8) | red;
|
|
||||||
else
|
|
||||||
*(buffer_current++) = (alpha << 24) | (red << 16) | (green << 8) | blue;
|
|
||||||
|
|
||||||
/* Next VNC pixel */
|
|
||||||
fb_current += bpp;
|
|
||||||
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Send cursor data*/
|
|
||||||
surface = cairo_image_surface_create_for_data(buffer, CAIRO_FORMAT_ARGB32, w, h, stride);
|
|
||||||
|
|
||||||
guac_client_stream_png(gc, socket, GUAC_COMP_SRC, cursor_layer,
|
|
||||||
0, 0, surface);
|
|
||||||
|
|
||||||
/* Update cursor */
|
|
||||||
guac_protocol_send_cursor(socket, x, y, cursor_layer, 0, 0, w, h);
|
|
||||||
|
|
||||||
/* Free surface */
|
|
||||||
cairo_surface_destroy(surface);
|
|
||||||
free(buffer);
|
|
||||||
|
|
||||||
/* libvncclient does not free rcMask as it does rcSource */
|
|
||||||
free(client->rcMask);
|
|
||||||
}
|
|
||||||
|
|
||||||
void guac_vnc_update(rfbClient* client, int x, int y, int w, int h) {
|
|
||||||
|
|
||||||
guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
|
|
||||||
vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) gc->data;
|
|
||||||
|
|
||||||
int dx, dy;
|
|
||||||
|
|
||||||
/* Cairo image buffer */
|
|
||||||
int stride;
|
|
||||||
unsigned char* buffer;
|
|
||||||
unsigned char* buffer_row_current;
|
|
||||||
cairo_surface_t* surface;
|
|
||||||
|
|
||||||
/* VNC framebuffer */
|
|
||||||
unsigned int bpp;
|
|
||||||
unsigned int fb_stride;
|
|
||||||
unsigned char* fb_row_current;
|
|
||||||
|
|
||||||
/* Ignore extra update if already handled by copyrect */
|
|
||||||
if (guac_client_data->copy_rect_used) {
|
|
||||||
guac_client_data->copy_rect_used = 0;
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Init Cairo buffer */
|
|
||||||
stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, w);
|
|
||||||
buffer = malloc(h*stride);
|
|
||||||
buffer_row_current = buffer;
|
|
||||||
|
|
||||||
bpp = client->format.bitsPerPixel/8;
|
|
||||||
fb_stride = bpp * client->width;
|
|
||||||
fb_row_current = client->frameBuffer + (y * fb_stride) + (x * bpp);
|
|
||||||
|
|
||||||
/* Copy image data from VNC client to PNG */
|
|
||||||
for (dy = y; dy<y+h; dy++) {
|
|
||||||
|
|
||||||
unsigned int* buffer_current;
|
|
||||||
unsigned char* fb_current;
|
|
||||||
|
|
||||||
/* Get current buffer row, advance to next */
|
|
||||||
buffer_current = (unsigned int*) buffer_row_current;
|
|
||||||
buffer_row_current += stride;
|
|
||||||
|
|
||||||
/* Get current framebuffer row, advance to next */
|
|
||||||
fb_current = fb_row_current;
|
|
||||||
fb_row_current += fb_stride;
|
|
||||||
|
|
||||||
for (dx = x; dx<x+w; dx++) {
|
|
||||||
|
|
||||||
unsigned char red, green, blue;
|
|
||||||
unsigned int v;
|
|
||||||
|
|
||||||
switch (bpp) {
|
|
||||||
case 4:
|
|
||||||
v = *((unsigned int*) fb_current);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 2:
|
|
||||||
v = *((unsigned short*) fb_current);
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
v = *((unsigned char*) fb_current);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Translate value to RGB */
|
|
||||||
red = (v >> client->format.redShift) * 0x100 / (client->format.redMax + 1);
|
|
||||||
green = (v >> client->format.greenShift) * 0x100 / (client->format.greenMax+ 1);
|
|
||||||
blue = (v >> client->format.blueShift) * 0x100 / (client->format.blueMax + 1);
|
|
||||||
|
|
||||||
/* Output RGB */
|
|
||||||
if (guac_client_data->swap_red_blue)
|
|
||||||
*(buffer_current++) = (blue << 16) | (green << 8) | red;
|
|
||||||
else
|
|
||||||
*(buffer_current++) = (red << 16) | (green << 8) | blue;
|
|
||||||
|
|
||||||
fb_current += bpp;
|
|
||||||
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* For now, only use default layer */
|
|
||||||
surface = cairo_image_surface_create_for_data(buffer, CAIRO_FORMAT_RGB24, w, h, stride);
|
|
||||||
|
|
||||||
guac_common_surface_draw(guac_client_data->default_surface, x, y, surface);
|
|
||||||
|
|
||||||
/* Free surface */
|
|
||||||
cairo_surface_destroy(surface);
|
|
||||||
free(buffer);
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
void guac_vnc_copyrect(rfbClient* client, int src_x, int src_y, int w, int h, int dest_x, int dest_y) {
|
|
||||||
|
|
||||||
guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
|
|
||||||
vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) gc->data;
|
|
||||||
|
|
||||||
/* For now, only use default layer */
|
|
||||||
guac_common_surface_copy(guac_client_data->default_surface, src_x, src_y, w, h,
|
|
||||||
guac_client_data->default_surface, dest_x, dest_y);
|
|
||||||
|
|
||||||
((vnc_guac_client_data*) gc->data)->copy_rect_used = 1;
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
char* guac_vnc_get_password(rfbClient* client) {
|
|
||||||
guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
|
|
||||||
return ((vnc_guac_client_data*) gc->data)->password;
|
|
||||||
}
|
|
||||||
|
|
||||||
void guac_vnc_set_pixel_format(rfbClient* client, int color_depth) {
|
|
||||||
switch(color_depth) {
|
|
||||||
case 8:
|
|
||||||
client->format.depth = 8;
|
|
||||||
client->format.bitsPerPixel = 8;
|
|
||||||
client->format.blueShift = 6;
|
|
||||||
client->format.redShift = 0;
|
|
||||||
client->format.greenShift = 3;
|
|
||||||
client->format.blueMax = 3;
|
|
||||||
client->format.redMax = 7;
|
|
||||||
client->format.greenMax = 7;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 16:
|
|
||||||
client->format.depth = 16;
|
|
||||||
client->format.bitsPerPixel = 16;
|
|
||||||
client->format.blueShift = 0;
|
|
||||||
client->format.redShift = 11;
|
|
||||||
client->format.greenShift = 5;
|
|
||||||
client->format.blueMax = 0x1f;
|
|
||||||
client->format.redMax = 0x1f;
|
|
||||||
client->format.greenMax = 0x3f;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 24:
|
|
||||||
case 32:
|
|
||||||
default:
|
|
||||||
client->format.depth = 24;
|
|
||||||
client->format.bitsPerPixel = 32;
|
|
||||||
client->format.blueShift = 0;
|
|
||||||
client->format.redShift = 16;
|
|
||||||
client->format.greenShift = 8;
|
|
||||||
client->format.blueMax = 0xff;
|
|
||||||
client->format.redMax = 0xff;
|
|
||||||
client->format.greenMax = 0xff;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
rfbBool guac_vnc_malloc_framebuffer(rfbClient* rfb_client) {
|
|
||||||
|
|
||||||
guac_client* gc = rfbClientGetClientData(rfb_client, __GUAC_CLIENT);
|
|
||||||
vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) gc->data;
|
|
||||||
|
|
||||||
/* Resize surface */
|
|
||||||
if (guac_client_data->default_surface != NULL)
|
|
||||||
guac_common_surface_resize(guac_client_data->default_surface, rfb_client->width, rfb_client->height);
|
|
||||||
|
|
||||||
/* Use original, wrapped proc */
|
|
||||||
return guac_client_data->rfb_MallocFrameBuffer(rfb_client);
|
|
||||||
}
|
|
||||||
|
|
||||||
void guac_vnc_cut_text(rfbClient* client, const char* text, int textlen) {
|
|
||||||
|
|
||||||
guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
|
|
||||||
vnc_guac_client_data* client_data = (vnc_guac_client_data*) gc->data;
|
|
||||||
|
|
||||||
char received_data[GUAC_VNC_CLIPBOARD_MAX_LENGTH];
|
|
||||||
|
|
||||||
const char* input = text;
|
|
||||||
char* output = received_data;
|
|
||||||
guac_iconv_read* reader = client_data->clipboard_reader;
|
|
||||||
|
|
||||||
/* Convert clipboard contents */
|
|
||||||
guac_iconv(reader, &input, textlen,
|
|
||||||
GUAC_WRITE_UTF8, &output, sizeof(received_data));
|
|
||||||
|
|
||||||
/* Send converted data */
|
|
||||||
guac_common_clipboard_reset(client_data->clipboard, "text/plain");
|
|
||||||
guac_common_clipboard_append(client_data->clipboard, received_data, output - received_data);
|
|
||||||
guac_common_clipboard_send(client_data->clipboard, gc);
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
void guac_vnc_client_log_info(const char* format, ...) {
|
|
||||||
|
|
||||||
char message[2048];
|
|
||||||
|
|
||||||
/* Copy log message into buffer */
|
|
||||||
va_list args;
|
|
||||||
va_start(args, format);
|
|
||||||
vsnprintf(message, sizeof(message), format, args);
|
|
||||||
va_end(args);
|
|
||||||
|
|
||||||
/* Log to syslog */
|
|
||||||
syslog(LOG_INFO, "%s", message);
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
void guac_vnc_client_log_error(const char* format, ...) {
|
|
||||||
|
|
||||||
char message[2048];
|
|
||||||
|
|
||||||
/* Copy log message into buffer */
|
|
||||||
va_list args;
|
|
||||||
va_start(args, format);
|
|
||||||
vsnprintf(message, sizeof(message), format, args);
|
|
||||||
va_end(args);
|
|
||||||
|
|
||||||
/* Log to syslog */
|
|
||||||
syslog(LOG_ERR, "%s", message);
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
Loading…
Reference in New Issue
Block a user