GUACAMOLE-623: Add base skeleton for Kubernetes protocol support.
This commit is contained in:
parent
54fda21366
commit
b8bd0e4c6a
@ -52,6 +52,10 @@ if ENABLE_PULSE
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SUBDIRS += src/pulse
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endif
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if ENABLE_KUBERNETES
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SUBDIRS += src/protocols/kubernetes
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endif
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if ENABLE_RDP
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SUBDIRS += src/protocols/rdp
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endif
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52
configure.ac
52
configure.ac
@ -1172,6 +1172,46 @@ fi
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AM_CONDITIONAL([ENABLE_WEBP], [test "x${have_webp}" = "xyes"])
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AC_SUBST(WEBP_LIBS)
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#
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# libwebsockets
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#
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have_libwebsockets=disabled
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WEBSOCKETS_LIBS=
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AC_ARG_WITH([websockets],
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[AS_HELP_STRING([--with-websockets],
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[support WebSockets @<:@default=check@:>@])],
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[],
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[with_websockets=check])
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if test "x$with_websockets" != "xno"
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then
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have_libwebsockets=yes
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AC_CHECK_LIB([websockets],
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[lws_create_context],
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[WEBSOCKETS_LIBS="$WEBSOCKETS_LIBS -lwebsockets"],
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[have_libwebsockets=no])
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fi
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AM_CONDITIONAL([ENABLE_WEBSOCKETS],
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[test "x${have_libwebsockets}" = "xyes"])
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AC_SUBST(WEBSOCKETS_LIBS)
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#
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# Kubernetes
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#
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AC_ARG_ENABLE([kubernetes],
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[AS_HELP_STRING([--disable-kubernetes],
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[do not build support for attaching to Kubernetes pods])],
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[],
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[enable_kubernetes=yes])
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AM_CONDITIONAL([ENABLE_KUBERNETES], [test "x${enable_kubernetes}" = "xyes" \
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-a "x${have_libwebsockets}" = "xyes" \
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-a "x${have_terminal}" = "xyes"])
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#
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# guacd
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#
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@ -1230,6 +1270,7 @@ AC_CONFIG_FILES([Makefile
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src/guaclog/Makefile
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src/guaclog/man/guaclog.1
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src/pulse/Makefile
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src/protocols/kubernetes/Makefile
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src/protocols/rdp/Makefile
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src/protocols/ssh/Makefile
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src/protocols/telnet/Makefile
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@ -1240,6 +1281,7 @@ AC_OUTPUT
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# Protocol build status
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#
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AM_COND_IF([ENABLE_KUBERNETES], [build_kubernetes=yes], [build_kubernetes=no])
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AM_COND_IF([ENABLE_RDP], [build_rdp=yes], [build_rdp=no])
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AM_COND_IF([ENABLE_SSH], [build_ssh=yes], [build_ssh=no])
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AM_COND_IF([ENABLE_TELNET], [build_telnet=yes], [build_telnet=no])
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@ -1287,15 +1329,17 @@ $PACKAGE_NAME version $PACKAGE_VERSION
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libVNCServer ........ ${have_libvncserver}
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libvorbis ........... ${have_vorbis}
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libpulse ............ ${have_pulse}
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libwebsockets ....... ${have_websockets}
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libwebp ............. ${have_webp}
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wsock32 ............. ${have_winsock}
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Protocol support:
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RDP ....... ${build_rdp}
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SSH ....... ${build_ssh}
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Telnet .... ${build_telnet}
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VNC ....... ${build_vnc}
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Kubernetes .... ${build_kubernetes}
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RDP ........... ${build_rdp}
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SSH ........... ${build_ssh}
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Telnet ........ ${build_telnet}
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VNC ........... ${build_vnc}
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Services / tools:
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57
src/protocols/kubernetes/Makefile.am
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57
src/protocols/kubernetes/Makefile.am
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@ -0,0 +1,57 @@
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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AUTOMAKE_OPTIONS = foreign
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ACLOCAL_AMFLAGS = -I m4
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lib_LTLIBRARIES = libguac-client-kubernetes.la
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libguac_client_kubernetes_la_SOURCES = \
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client.c \
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clipboard.c \
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input.c \
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pipe.c \
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settings.c \
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kubernetes.c \
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user.c
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noinst_HEADERS = \
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client.h \
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clipboard.h \
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input.h \
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pipe.h \
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settings.h \
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kubernetes.h \
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user.h
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libguac_client_kubernetes_la_CFLAGS = \
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-Werror -Wall -Iinclude \
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@LIBGUAC_INCLUDE@ \
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@TERMINAL_INCLUDE@
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libguac_client_kubernetes_la_LIBADD = \
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@COMMON_LTLIB@ \
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@LIBGUAC_LTLIB@ \
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@TERMINAL_LTLIB@
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libguac_client_kubernetes_la_LDFLAGS = \
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-version-info 0:0:0 \
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@PTHREAD_LIBS@ \
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@WEBSOCKETS_LIBS@
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91
src/protocols/kubernetes/client.c
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91
src/protocols/kubernetes/client.c
Normal file
@ -0,0 +1,91 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include "config.h"
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#include "client.h"
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#include "common/recording.h"
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#include "kubernetes.h"
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#include "settings.h"
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#include "terminal/terminal.h"
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#include "user.h"
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#include <langinfo.h>
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#include <locale.h>
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#include <pthread.h>
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#include <stdlib.h>
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#include <string.h>
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#include <guacamole/client.h>
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int guac_client_init(guac_client* client) {
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/* Set client args */
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client->args = GUAC_KUBERNETES_CLIENT_ARGS;
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/* Allocate client instance data */
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guac_kubernetes_client* kubernetes_client = calloc(1, sizeof(guac_kubernetes_client));
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client->data = kubernetes_client;
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/* Init clipboard */
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kubernetes_client->clipboard = guac_common_clipboard_alloc(GUAC_KUBERNETES_CLIPBOARD_MAX_LENGTH);
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/* Set handlers */
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client->join_handler = guac_kubernetes_user_join_handler;
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client->free_handler = guac_kubernetes_client_free_handler;
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/* Set locale and warn if not UTF-8 */
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setlocale(LC_CTYPE, "");
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if (strcmp(nl_langinfo(CODESET), "UTF-8") != 0) {
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guac_client_log(client, GUAC_LOG_INFO,
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"Current locale does not use UTF-8. Some characters may "
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"not render correctly.");
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}
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/* Success */
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return 0;
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}
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int guac_kubernetes_client_free_handler(guac_client* client) {
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guac_kubernetes_client* kubernetes_client =
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(guac_kubernetes_client*) client->data;
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/* Clean up recording, if in progress */
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if (kubernetes_client->recording != NULL)
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guac_common_recording_free(kubernetes_client->recording);
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/* Kill terminal */
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guac_terminal_free(kubernetes_client->term);
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/* TODO: Wait for and free WebSocket session, if connected */
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/*if (kubernetes_client->websocket != NULL) {
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pthread_join(kubernetes_client->client_thread, NULL);
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}*/
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/* Free settings */
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if (kubernetes_client->settings != NULL)
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guac_kubernetes_settings_free(kubernetes_client->settings);
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guac_common_clipboard_free(kubernetes_client->clipboard);
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free(kubernetes_client);
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return 0;
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}
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41
src/protocols/kubernetes/client.h
Normal file
41
src/protocols/kubernetes/client.h
Normal file
@ -0,0 +1,41 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef GUAC_KUBERNETES_CLIENT_H
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#define GUAC_KUBERNETES_CLIENT_H
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#include "config.h"
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#include "terminal/terminal.h"
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#include <pthread.h>
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#include <sys/types.h>
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/**
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* The maximum number of bytes to allow within the clipboard.
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*/
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#define GUAC_KUBERNETES_CLIPBOARD_MAX_LENGTH 262144
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/**
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* Free handler. Required by libguac and called when the guac_client is
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* disconnected and must be cleaned up.
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*/
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guac_client_free_handler guac_kubernetes_client_free_handler;
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#endif
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67
src/protocols/kubernetes/clipboard.c
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67
src/protocols/kubernetes/clipboard.c
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@ -0,0 +1,67 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include "config.h"
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#include "clipboard.h"
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#include "common/clipboard.h"
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#include "kubernetes.h"
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#include "terminal/terminal.h"
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#include <guacamole/client.h>
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#include <guacamole/stream.h>
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#include <guacamole/user.h>
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int guac_kubernetes_clipboard_handler(guac_user* user, guac_stream* stream,
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char* mimetype) {
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guac_client* client = user->client;
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guac_kubernetes_client* kubernetes_client =
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(guac_kubernetes_client*) client->data;
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/* Clear clipboard and prepare for new data */
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guac_common_clipboard_reset(kubernetes_client->clipboard, mimetype);
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/* Set handlers for clipboard stream */
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stream->blob_handler = guac_kubernetes_clipboard_blob_handler;
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stream->end_handler = guac_kubernetes_clipboard_end_handler;
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return 0;
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}
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int guac_kubernetes_clipboard_blob_handler(guac_user* user,
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guac_stream* stream, void* data, int length) {
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guac_client* client = user->client;
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guac_kubernetes_client* kubernetes_client =
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(guac_kubernetes_client*) client->data;
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/* Append new data */
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guac_common_clipboard_append(kubernetes_client->clipboard, data, length);
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return 0;
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}
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int guac_kubernetes_clipboard_end_handler(guac_user* user,
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guac_stream* stream) {
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/* Nothing to do - clipboard is implemented within client */
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return 0;
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}
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43
src/protocols/kubernetes/clipboard.h
Normal file
43
src/protocols/kubernetes/clipboard.h
Normal file
@ -0,0 +1,43 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
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* to you under the Apache License, Version 2.0 (the
|
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
|
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* software distributed under the License is distributed on an
|
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
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* KIND, either express or implied. See the License for the
|
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef GUAC_KUBERNETES_CLIPBOARD_H
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#define GUAC_KUBERNETES_CLIPBOARD_H
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#include "config.h"
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#include <guacamole/user.h>
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/**
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* Handler for inbound clipboard streams.
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*/
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guac_user_clipboard_handler guac_kubernetes_clipboard_handler;
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/**
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* Handler for data received along clipboard streams.
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*/
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guac_user_blob_handler guac_kubernetes_clipboard_blob_handler;
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/**
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* Handler for end-of-stream related to clipboard.
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*/
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guac_user_end_handler guac_kubernetes_clipboard_end_handler;
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#endif
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|
95
src/protocols/kubernetes/input.c
Normal file
95
src/protocols/kubernetes/input.c
Normal file
@ -0,0 +1,95 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing,
|
||||
* software distributed under the License is distributed on an
|
||||
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
* KIND, either express or implied. See the License for the
|
||||
* specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*/
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#include "config.h"
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#include "common/recording.h"
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#include "kubernetes.h"
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#include "input.h"
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#include "terminal/terminal.h"
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#include <guacamole/client.h>
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#include <guacamole/user.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <unistd.h>
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int guac_kubernetes_user_mouse_handler(guac_user* user,
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int x, int y, int mask) {
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guac_client* client = user->client;
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guac_kubernetes_client* kubernetes_client =
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(guac_kubernetes_client*) client->data;
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/* Skip if terminal not yet ready */
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guac_terminal* term = kubernetes_client->term;
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if (term == NULL)
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return 0;
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/* Report mouse position within recording */
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if (kubernetes_client->recording != NULL)
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guac_common_recording_report_mouse(kubernetes_client->recording, x, y,
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mask);
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guac_terminal_send_mouse(term, user, x, y, mask);
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return 0;
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}
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int guac_kubernetes_user_key_handler(guac_user* user, int keysym, int pressed) {
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guac_client* client = user->client;
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guac_kubernetes_client* kubernetes_client =
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(guac_kubernetes_client*) client->data;
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/* Report key state within recording */
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if (kubernetes_client->recording != NULL)
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guac_common_recording_report_key(kubernetes_client->recording,
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keysym, pressed);
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/* Skip if terminal not yet ready */
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guac_terminal* term = kubernetes_client->term;
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if (term == NULL)
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return 0;
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guac_terminal_send_key(term, keysym, pressed);
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return 0;
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}
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int guac_kubernetes_user_size_handler(guac_user* user, int width, int height) {
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/* Get terminal */
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guac_client* client = user->client;
|
||||
guac_kubernetes_client* kubernetes_client =
|
||||
(guac_kubernetes_client*) client->data;
|
||||
|
||||
/* Skip if terminal not yet ready */
|
||||
guac_terminal* terminal = kubernetes_client->term;
|
||||
if (terminal == NULL)
|
||||
return 0;
|
||||
|
||||
/* Resize terminal */
|
||||
guac_terminal_resize(terminal, width, height);
|
||||
|
||||
/* TODO: Update Kubernetes terminal window size if connected */
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
46
src/protocols/kubernetes/input.h
Normal file
46
src/protocols/kubernetes/input.h
Normal file
@ -0,0 +1,46 @@
|
||||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing,
|
||||
* software distributed under the License is distributed on an
|
||||
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
* KIND, either express or implied. See the License for the
|
||||
* specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*/
|
||||
|
||||
#ifndef GUAC_KUBERNETES_INPUT_H
|
||||
#define GUAC_KUBERNETES_INPUT_H
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <guacamole/user.h>
|
||||
|
||||
/**
|
||||
* Handler for key events. Required by libguac and called whenever key events
|
||||
* are received.
|
||||
*/
|
||||
guac_user_key_handler guac_kubernetes_user_key_handler;
|
||||
|
||||
/**
|
||||
* Handler for mouse events. Required by libguac and called whenever mouse
|
||||
* events are received.
|
||||
*/
|
||||
guac_user_mouse_handler guac_kubernetes_user_mouse_handler;
|
||||
|
||||
/**
|
||||
* Handler for size events. Required by libguac and called whenever the remote
|
||||
* display (window) is resized.
|
||||
*/
|
||||
guac_user_size_handler guac_kubernetes_user_size_handler;
|
||||
|
||||
#endif
|
||||
|
136
src/protocols/kubernetes/kubernetes.c
Normal file
136
src/protocols/kubernetes/kubernetes.c
Normal file
@ -0,0 +1,136 @@
|
||||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing,
|
||||
* software distributed under the License is distributed on an
|
||||
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
* KIND, either express or implied. See the License for the
|
||||
* specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
#include "common/recording.h"
|
||||
#include "kubernetes.h"
|
||||
#include "terminal/terminal.h"
|
||||
|
||||
#include <guacamole/client.h>
|
||||
#include <guacamole/protocol.h>
|
||||
|
||||
#include <errno.h>
|
||||
#include <netdb.h>
|
||||
#include <netinet/in.h>
|
||||
#include <poll.h>
|
||||
#include <pthread.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/time.h>
|
||||
#include <unistd.h>
|
||||
|
||||
/**
|
||||
* Input thread, started by the main Kubernetes client thread. This thread
|
||||
* continuously reads from the terminal's STDIN and transfers all read
|
||||
* data to the Kubernetes connection.
|
||||
*
|
||||
* @param data
|
||||
* The current guac_client instance.
|
||||
*
|
||||
* @return
|
||||
* Always NULL.
|
||||
*/
|
||||
static void* guac_kubernetes_input_thread(void* data) {
|
||||
|
||||
guac_client* client = (guac_client*) data;
|
||||
guac_kubernetes_client* kubernetes_client =
|
||||
(guac_kubernetes_client*) client->data;
|
||||
|
||||
char buffer[8192];
|
||||
int bytes_read;
|
||||
|
||||
/* Write all data read */
|
||||
while ((bytes_read = guac_terminal_read_stdin(kubernetes_client->term, buffer, sizeof(buffer))) > 0) {
|
||||
|
||||
/* TODO: Send to Kubernetes */
|
||||
guac_terminal_write(kubernetes_client->term, buffer, bytes_read);
|
||||
|
||||
}
|
||||
|
||||
return NULL;
|
||||
|
||||
}
|
||||
|
||||
void* guac_kubernetes_client_thread(void* data) {
|
||||
|
||||
guac_client* client = (guac_client*) data;
|
||||
guac_kubernetes_client* kubernetes_client =
|
||||
(guac_kubernetes_client*) client->data;
|
||||
|
||||
guac_kubernetes_settings* settings = kubernetes_client->settings;
|
||||
|
||||
pthread_t input_thread;
|
||||
|
||||
/* Set up screen recording, if requested */
|
||||
if (settings->recording_path != NULL) {
|
||||
kubernetes_client->recording = guac_common_recording_create(client,
|
||||
settings->recording_path,
|
||||
settings->recording_name,
|
||||
settings->create_recording_path,
|
||||
!settings->recording_exclude_output,
|
||||
!settings->recording_exclude_mouse,
|
||||
settings->recording_include_keys);
|
||||
}
|
||||
|
||||
/* Create terminal */
|
||||
kubernetes_client->term = guac_terminal_create(client,
|
||||
kubernetes_client->clipboard,
|
||||
settings->max_scrollback, settings->font_name, settings->font_size,
|
||||
settings->resolution, settings->width, settings->height,
|
||||
settings->color_scheme, settings->backspace);
|
||||
|
||||
/* Fail if terminal init failed */
|
||||
if (kubernetes_client->term == NULL) {
|
||||
guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR,
|
||||
"Terminal initialization failed");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Set up typescript, if requested */
|
||||
if (settings->typescript_path != NULL) {
|
||||
guac_terminal_create_typescript(kubernetes_client->term,
|
||||
settings->typescript_path,
|
||||
settings->typescript_name,
|
||||
settings->create_typescript_path);
|
||||
}
|
||||
|
||||
/* TODO: Open WebSocket connection to Kubernetes */
|
||||
|
||||
/* Logged in */
|
||||
guac_client_log(client, GUAC_LOG_INFO,
|
||||
"Kubernetes connection successful.");
|
||||
|
||||
/* Start input thread */
|
||||
if (pthread_create(&(input_thread), NULL, guac_kubernetes_input_thread, (void*) client)) {
|
||||
guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR, "Unable to start input thread");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* TODO: While data available, write to terminal */
|
||||
|
||||
/* Kill client and Wait for input thread to die */
|
||||
guac_client_stop(client);
|
||||
pthread_join(input_thread, NULL);
|
||||
|
||||
guac_client_log(client, GUAC_LOG_INFO, "Kubernetes connection ended.");
|
||||
return NULL;
|
||||
|
||||
}
|
||||
|
71
src/protocols/kubernetes/kubernetes.h
Normal file
71
src/protocols/kubernetes/kubernetes.h
Normal file
@ -0,0 +1,71 @@
|
||||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing,
|
||||
* software distributed under the License is distributed on an
|
||||
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
* KIND, either express or implied. See the License for the
|
||||
* specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*/
|
||||
|
||||
#ifndef GUAC_KUBERNETES_H
|
||||
#define GUAC_KUBERNETES_H
|
||||
|
||||
#include "config.h"
|
||||
#include "common/clipboard.h"
|
||||
#include "common/recording.h"
|
||||
#include "settings.h"
|
||||
#include "terminal/terminal.h"
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
/**
|
||||
* Kubernetes-specific client data.
|
||||
*/
|
||||
typedef struct guac_kubernetes_client {
|
||||
|
||||
/**
|
||||
* Kubernetes connection settings.
|
||||
*/
|
||||
guac_kubernetes_settings* settings;
|
||||
|
||||
/**
|
||||
* The Kubernetes client thread.
|
||||
*/
|
||||
pthread_t client_thread;
|
||||
|
||||
/**
|
||||
* The current clipboard contents.
|
||||
*/
|
||||
guac_common_clipboard* clipboard;
|
||||
|
||||
/**
|
||||
* The terminal which will render all output from the Kubernetes pod.
|
||||
*/
|
||||
guac_terminal* term;
|
||||
|
||||
/**
|
||||
* The in-progress session recording, or NULL if no recording is in
|
||||
* progress.
|
||||
*/
|
||||
guac_common_recording* recording;
|
||||
|
||||
} guac_kubernetes_client;
|
||||
|
||||
/**
|
||||
* Main Kubernetes client thread, handling transfer of STDOUT/STDERR of an
|
||||
* attached Kubernetes pod to STDOUT of the terminal.
|
||||
*/
|
||||
void* guac_kubernetes_client_thread(void* data);
|
||||
|
||||
#endif
|
||||
|
51
src/protocols/kubernetes/pipe.c
Normal file
51
src/protocols/kubernetes/pipe.c
Normal file
@ -0,0 +1,51 @@
|
||||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing,
|
||||
* software distributed under the License is distributed on an
|
||||
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
* KIND, either express or implied. See the License for the
|
||||
* specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
#include "kubernetes.h"
|
||||
#include "pipe.h"
|
||||
#include "terminal/terminal.h"
|
||||
|
||||
#include <guacamole/protocol.h>
|
||||
#include <guacamole/socket.h>
|
||||
#include <guacamole/user.h>
|
||||
|
||||
#include <string.h>
|
||||
|
||||
int guac_kubernetes_pipe_handler(guac_user* user, guac_stream* stream,
|
||||
char* mimetype, char* name) {
|
||||
|
||||
guac_client* client = user->client;
|
||||
guac_kubernetes_client* kubernetes_client =
|
||||
(guac_kubernetes_client*) client->data;
|
||||
|
||||
/* Redirect STDIN if pipe has required name */
|
||||
if (strcmp(name, GUAC_KUBERNETES_STDIN_PIPE_NAME) == 0) {
|
||||
guac_terminal_send_stream(kubernetes_client->term, user, stream);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* No other inbound pipe streams are supported */
|
||||
guac_protocol_send_ack(user->socket, stream, "No such input stream.",
|
||||
GUAC_PROTOCOL_STATUS_RESOURCE_NOT_FOUND);
|
||||
guac_socket_flush(user->socket);
|
||||
return 0;
|
||||
|
||||
}
|
||||
|
42
src/protocols/kubernetes/pipe.h
Normal file
42
src/protocols/kubernetes/pipe.h
Normal file
@ -0,0 +1,42 @@
|
||||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing,
|
||||
* software distributed under the License is distributed on an
|
||||
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
* KIND, either express or implied. See the License for the
|
||||
* specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*/
|
||||
|
||||
|
||||
#ifndef GUAC_KUBERNETES_PIPE_H
|
||||
#define GUAC_KUBERNETES_PIPE_H
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <guacamole/user.h>
|
||||
|
||||
/**
|
||||
* The name reserved for the inbound pipe stream which forces the terminal
|
||||
* emulator's STDIN to be received from the pipe.
|
||||
*/
|
||||
#define GUAC_KUBERNETES_STDIN_PIPE_NAME "STDIN"
|
||||
|
||||
/**
|
||||
* Handles an incoming stream from a Guacamole "pipe" instruction. If the pipe
|
||||
* is named "STDIN", the the contents of the pipe stream are redirected to
|
||||
* STDIN of the terminal emulator for as long as the pipe is open.
|
||||
*/
|
||||
guac_user_pipe_handler guac_kubernetes_pipe_handler;
|
||||
|
||||
#endif
|
||||
|
366
src/protocols/kubernetes/settings.c
Normal file
366
src/protocols/kubernetes/settings.c
Normal file
@ -0,0 +1,366 @@
|
||||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing,
|
||||
* software distributed under the License is distributed on an
|
||||
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
* KIND, either express or implied. See the License for the
|
||||
* specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include "settings.h"
|
||||
|
||||
#include <guacamole/user.h>
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <time.h>
|
||||
|
||||
/* Client plugin arguments */
|
||||
const char* GUAC_KUBERNETES_CLIENT_ARGS[] = {
|
||||
"hostname",
|
||||
"port",
|
||||
"use-ssl",
|
||||
"client-cert-file",
|
||||
"client-key-file",
|
||||
"ca-cert-file",
|
||||
"ignore-cert",
|
||||
"font-name",
|
||||
"font-size",
|
||||
"color-scheme",
|
||||
"typescript-path",
|
||||
"typescript-name",
|
||||
"create-typescript-path",
|
||||
"recording-path",
|
||||
"recording-name",
|
||||
"recording-exclude-output",
|
||||
"recording-exclude-mouse",
|
||||
"recording-include-keys",
|
||||
"create-recording-path",
|
||||
"read-only",
|
||||
"backspace",
|
||||
"scrollback",
|
||||
NULL
|
||||
};
|
||||
|
||||
enum KUBERNETES_ARGS_IDX {
|
||||
|
||||
/**
|
||||
* The hostname to connect to. Required.
|
||||
*/
|
||||
IDX_HOSTNAME,
|
||||
|
||||
/**
|
||||
* The port to connect to. Optional.
|
||||
*/
|
||||
IDX_PORT,
|
||||
|
||||
/**
|
||||
* Whether SSL/TLS should be used. SSL is used by default.
|
||||
*/
|
||||
IDX_USE_SSL,
|
||||
|
||||
/**
|
||||
* The filename of the certificate to use if performing SSL/TLS client
|
||||
* authentication to authenticate with the Kubernetes server. If omitted,
|
||||
* SSL client authentication will not be performed.
|
||||
*/
|
||||
IDX_CLIENT_CERT_FILE,
|
||||
|
||||
/**
|
||||
* The filename of the key to use if performing SSL/TLS client
|
||||
* authentication to authenticate with the Kubernetes server. If omitted,
|
||||
* SSL client authentication will not be performed.
|
||||
*/
|
||||
IDX_CLIENT_KEY_FILE,
|
||||
|
||||
/**
|
||||
* The filename of the certificate of the certificate authority that signed
|
||||
* the certificate of the Kubernetes server.
|
||||
*/
|
||||
IDX_CA_CERT_FILE,
|
||||
|
||||
/**
|
||||
* Whether the certificate used by the Kubernetes server for SSL/TLS should
|
||||
* be ignored if it cannot be validated.
|
||||
*/
|
||||
IDX_IGNORE_CERT,
|
||||
|
||||
/**
|
||||
* The name of the font to use within the terminal.
|
||||
*/
|
||||
IDX_FONT_NAME,
|
||||
|
||||
/**
|
||||
* The size of the font to use within the terminal, in points.
|
||||
*/
|
||||
IDX_FONT_SIZE,
|
||||
|
||||
/**
|
||||
* The color scheme to use, as a series of semicolon-separated color-value
|
||||
* pairs: "background: <color>", "foreground: <color>", or
|
||||
* "color<n>: <color>", where <n> is a number from 0 to 255, and <color> is
|
||||
* "color<n>" or an X11 color code (e.g. "aqua" or "rgb:12/34/56").
|
||||
* The color scheme can also be one of the special values: "black-white",
|
||||
* "white-black", "gray-black", or "green-black".
|
||||
*/
|
||||
IDX_COLOR_SCHEME,
|
||||
|
||||
/**
|
||||
* The full absolute path to the directory in which typescripts should be
|
||||
* written.
|
||||
*/
|
||||
IDX_TYPESCRIPT_PATH,
|
||||
|
||||
/**
|
||||
* The name that should be given to typescripts which are written in the
|
||||
* given path. Each typescript will consist of two files: "NAME" and
|
||||
* "NAME.timing".
|
||||
*/
|
||||
IDX_TYPESCRIPT_NAME,
|
||||
|
||||
/**
|
||||
* Whether the specified typescript path should automatically be created
|
||||
* if it does not yet exist.
|
||||
*/
|
||||
IDX_CREATE_TYPESCRIPT_PATH,
|
||||
|
||||
/**
|
||||
* The full absolute path to the directory in which screen recordings
|
||||
* should be written.
|
||||
*/
|
||||
IDX_RECORDING_PATH,
|
||||
|
||||
/**
|
||||
* The name that should be given to screen recordings which are written in
|
||||
* the given path.
|
||||
*/
|
||||
IDX_RECORDING_NAME,
|
||||
|
||||
/**
|
||||
* Whether output which is broadcast to each connected client (graphics,
|
||||
* streams, etc.) should NOT be included in the session recording. Output
|
||||
* is included by default, as it is necessary for any recording which must
|
||||
* later be viewable as video.
|
||||
*/
|
||||
IDX_RECORDING_EXCLUDE_OUTPUT,
|
||||
|
||||
/**
|
||||
* Whether changes to mouse state, such as position and buttons pressed or
|
||||
* released, should NOT be included in the session recording. Mouse state
|
||||
* is included by default, as it is necessary for the mouse cursor to be
|
||||
* rendered in any resulting video.
|
||||
*/
|
||||
IDX_RECORDING_EXCLUDE_MOUSE,
|
||||
|
||||
/**
|
||||
* Whether keys pressed and released should be included in the session
|
||||
* recording. Key events are NOT included by default within the recording,
|
||||
* as doing so has privacy and security implications. Including key events
|
||||
* may be necessary in certain auditing contexts, but should only be done
|
||||
* with caution. Key events can easily contain sensitive information, such
|
||||
* as passwords, credit card numbers, etc.
|
||||
*/
|
||||
IDX_RECORDING_INCLUDE_KEYS,
|
||||
|
||||
/**
|
||||
* Whether the specified screen recording path should automatically be
|
||||
* created if it does not yet exist.
|
||||
*/
|
||||
IDX_CREATE_RECORDING_PATH,
|
||||
|
||||
/**
|
||||
* "true" if this connection should be read-only (user input should be
|
||||
* dropped), "false" or blank otherwise.
|
||||
*/
|
||||
IDX_READ_ONLY,
|
||||
|
||||
/**
|
||||
* ASCII code, as an integer to use for the backspace key, or 127
|
||||
* if not specified.
|
||||
*/
|
||||
IDX_BACKSPACE,
|
||||
|
||||
/**
|
||||
* The maximum size of the scrollback buffer in rows.
|
||||
*/
|
||||
IDX_SCROLLBACK,
|
||||
|
||||
KUBERNETES_ARGS_COUNT
|
||||
};
|
||||
|
||||
guac_kubernetes_settings* guac_kubernetes_parse_args(guac_user* user,
|
||||
int argc, const char** argv) {
|
||||
|
||||
/* Validate arg count */
|
||||
if (argc != KUBERNETES_ARGS_COUNT) {
|
||||
guac_user_log(user, GUAC_LOG_WARNING, "Incorrect number of connection "
|
||||
"parameters provided: expected %i, got %i.",
|
||||
KUBERNETES_ARGS_COUNT, argc);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
guac_kubernetes_settings* settings =
|
||||
calloc(1, sizeof(guac_kubernetes_settings));
|
||||
|
||||
/* Read parameters */
|
||||
settings->hostname =
|
||||
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_HOSTNAME, "");
|
||||
|
||||
/* Parse whether SSL should be used */
|
||||
settings->use_ssl =
|
||||
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_USE_SSL, true);
|
||||
|
||||
/* Read SSL/TLS connection details only if enabled */
|
||||
if (settings->use_ssl) {
|
||||
|
||||
settings->client_cert_file =
|
||||
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS,
|
||||
argv, IDX_CLIENT_CERT_FILE, NULL);
|
||||
|
||||
settings->client_key_file =
|
||||
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS,
|
||||
argv, IDX_CLIENT_KEY_FILE, NULL);
|
||||
|
||||
settings->ca_cert_file =
|
||||
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS,
|
||||
argv, IDX_CA_CERT_FILE, NULL);
|
||||
|
||||
settings->ignore_cert =
|
||||
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS,
|
||||
argv, IDX_IGNORE_CERT, false);
|
||||
|
||||
}
|
||||
|
||||
/* Read-only mode */
|
||||
settings->read_only =
|
||||
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_READ_ONLY, false);
|
||||
|
||||
/* Read maximum scrollback size */
|
||||
settings->max_scrollback =
|
||||
guac_user_parse_args_int(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_SCROLLBACK, GUAC_KUBERNETES_DEFAULT_MAX_SCROLLBACK);
|
||||
|
||||
/* Read font name */
|
||||
settings->font_name =
|
||||
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_FONT_NAME, GUAC_KUBERNETES_DEFAULT_FONT_NAME);
|
||||
|
||||
/* Read font size */
|
||||
settings->font_size =
|
||||
guac_user_parse_args_int(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_FONT_SIZE, GUAC_KUBERNETES_DEFAULT_FONT_SIZE);
|
||||
|
||||
/* Copy requested color scheme */
|
||||
settings->color_scheme =
|
||||
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_COLOR_SCHEME, "");
|
||||
|
||||
/* Pull width/height/resolution directly from user */
|
||||
settings->width = user->info.optimal_width;
|
||||
settings->height = user->info.optimal_height;
|
||||
settings->resolution = user->info.optimal_resolution;
|
||||
|
||||
/* Read port */
|
||||
settings->port =
|
||||
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_PORT, GUAC_KUBERNETES_DEFAULT_PORT);
|
||||
|
||||
/* Read typescript path */
|
||||
settings->typescript_path =
|
||||
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_TYPESCRIPT_PATH, NULL);
|
||||
|
||||
/* Read typescript name */
|
||||
settings->typescript_name =
|
||||
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_TYPESCRIPT_NAME, GUAC_KUBERNETES_DEFAULT_TYPESCRIPT_NAME);
|
||||
|
||||
/* Parse path creation flag */
|
||||
settings->create_typescript_path =
|
||||
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_CREATE_TYPESCRIPT_PATH, false);
|
||||
|
||||
/* Read recording path */
|
||||
settings->recording_path =
|
||||
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_RECORDING_PATH, NULL);
|
||||
|
||||
/* Read recording name */
|
||||
settings->recording_name =
|
||||
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_RECORDING_NAME, GUAC_KUBERNETES_DEFAULT_RECORDING_NAME);
|
||||
|
||||
/* Parse output exclusion flag */
|
||||
settings->recording_exclude_output =
|
||||
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_RECORDING_EXCLUDE_OUTPUT, false);
|
||||
|
||||
/* Parse mouse exclusion flag */
|
||||
settings->recording_exclude_mouse =
|
||||
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_RECORDING_EXCLUDE_MOUSE, false);
|
||||
|
||||
/* Parse key event inclusion flag */
|
||||
settings->recording_include_keys =
|
||||
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_RECORDING_INCLUDE_KEYS, false);
|
||||
|
||||
/* Parse path creation flag */
|
||||
settings->create_recording_path =
|
||||
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_CREATE_RECORDING_PATH, false);
|
||||
|
||||
/* Parse backspace key code */
|
||||
settings->backspace =
|
||||
guac_user_parse_args_int(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
|
||||
IDX_BACKSPACE, 127);
|
||||
|
||||
/* Parsing was successful */
|
||||
return settings;
|
||||
|
||||
}
|
||||
|
||||
void guac_kubernetes_settings_free(guac_kubernetes_settings* settings) {
|
||||
|
||||
/* Free network connection information */
|
||||
free(settings->hostname);
|
||||
free(settings->port);
|
||||
|
||||
/* Free SSL/TLS details */
|
||||
free(settings->client_cert_file);
|
||||
free(settings->client_key_file);
|
||||
free(settings->ca_cert_file);
|
||||
|
||||
/* Free display preferences */
|
||||
free(settings->font_name);
|
||||
free(settings->color_scheme);
|
||||
|
||||
/* Free typescript settings */
|
||||
free(settings->typescript_name);
|
||||
free(settings->typescript_path);
|
||||
|
||||
/* Free screen recording settings */
|
||||
free(settings->recording_name);
|
||||
free(settings->recording_path);
|
||||
|
||||
/* Free overall structure */
|
||||
free(settings);
|
||||
|
||||
}
|
||||
|
256
src/protocols/kubernetes/settings.h
Normal file
256
src/protocols/kubernetes/settings.h
Normal file
@ -0,0 +1,256 @@
|
||||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing,
|
||||
* software distributed under the License is distributed on an
|
||||
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
* KIND, either express or implied. See the License for the
|
||||
* specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*/
|
||||
|
||||
#ifndef GUAC_KUBERNETES_SETTINGS_H
|
||||
#define GUAC_KUBERNETES_SETTINGS_H
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <guacamole/user.h>
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
/**
|
||||
* The name of the font to use for the terminal if no name is specified.
|
||||
*/
|
||||
#define GUAC_KUBERNETES_DEFAULT_FONT_NAME "monospace"
|
||||
|
||||
/**
|
||||
* The size of the font to use for the terminal if no font size is specified,
|
||||
* in points.
|
||||
*/
|
||||
#define GUAC_KUBERNETES_DEFAULT_FONT_SIZE 12
|
||||
|
||||
/**
|
||||
* The port to connect to when initiating any Kubernetes connection, if no
|
||||
* other port is specified.
|
||||
*/
|
||||
#define GUAC_KUBERNETES_DEFAULT_PORT "8443"
|
||||
|
||||
/**
|
||||
* The filename to use for the typescript, if not specified.
|
||||
*/
|
||||
#define GUAC_KUBERNETES_DEFAULT_TYPESCRIPT_NAME "typescript"
|
||||
|
||||
/**
|
||||
* The filename to use for the screen recording, if not specified.
|
||||
*/
|
||||
#define GUAC_KUBERNETES_DEFAULT_RECORDING_NAME "recording"
|
||||
|
||||
/**
|
||||
* The default maximum scrollback size in rows.
|
||||
*/
|
||||
#define GUAC_KUBERNETES_DEFAULT_MAX_SCROLLBACK 1000
|
||||
|
||||
/**
|
||||
* Settings for the Kubernetes connection. The values for this structure are
|
||||
* parsed from the arguments given during the Guacamole protocol handshake
|
||||
* using the guac_kubernetes_parse_args() function.
|
||||
*/
|
||||
typedef struct guac_kubernetes_settings {
|
||||
|
||||
/**
|
||||
* The hostname of the Kubernetes server to connect to.
|
||||
*/
|
||||
char* hostname;
|
||||
|
||||
/**
|
||||
* The port of the Kubernetes server to connect to.
|
||||
*/
|
||||
char* port;
|
||||
|
||||
/**
|
||||
* Whether SSL/TLS should be used.
|
||||
*/
|
||||
bool use_ssl;
|
||||
|
||||
/**
|
||||
* The filename of the certificate to use if performing SSL/TLS client
|
||||
* authentication to authenticate with the Kubernetes server. If omitted,
|
||||
* SSL client authentication will not be performed.
|
||||
*/
|
||||
char* client_cert_file;
|
||||
|
||||
/**
|
||||
* The filename of the key to use if performing SSL/TLS client
|
||||
* authentication to authenticate with the Kubernetes server. If omitted,
|
||||
* SSL client authentication will not be performed.
|
||||
*/
|
||||
char* client_key_file;
|
||||
|
||||
/**
|
||||
* The filename of the certificate of the certificate authority that signed
|
||||
* the certificate of the Kubernetes server.
|
||||
*/
|
||||
char* ca_cert_file;
|
||||
|
||||
/**
|
||||
* Whether the certificate used by the Kubernetes server for SSL/TLS should
|
||||
* be ignored if it cannot be validated.
|
||||
*/
|
||||
bool ignore_cert;
|
||||
|
||||
/**
|
||||
* Whether this connection is read-only, and user input should be dropped.
|
||||
*/
|
||||
bool read_only;
|
||||
|
||||
/**
|
||||
* The maximum size of the scrollback buffer in rows.
|
||||
*/
|
||||
int max_scrollback;
|
||||
|
||||
/**
|
||||
* The name of the font to use for display rendering.
|
||||
*/
|
||||
char* font_name;
|
||||
|
||||
/**
|
||||
* The size of the font to use, in points.
|
||||
*/
|
||||
int font_size;
|
||||
|
||||
/**
|
||||
* The name of the color scheme to use.
|
||||
*/
|
||||
char* color_scheme;
|
||||
|
||||
/**
|
||||
* The desired width of the terminal display, in pixels.
|
||||
*/
|
||||
int width;
|
||||
|
||||
/**
|
||||
* The desired height of the terminal display, in pixels.
|
||||
*/
|
||||
int height;
|
||||
|
||||
/**
|
||||
* The desired screen resolution, in DPI.
|
||||
*/
|
||||
int resolution;
|
||||
|
||||
/**
|
||||
* The path in which the typescript should be saved, if enabled. If no
|
||||
* typescript should be saved, this will be NULL.
|
||||
*/
|
||||
char* typescript_path;
|
||||
|
||||
/**
|
||||
* The filename to use for the typescript, if enabled.
|
||||
*/
|
||||
char* typescript_name;
|
||||
|
||||
/**
|
||||
* Whether the typescript path should be automatically created if it does
|
||||
* not already exist.
|
||||
*/
|
||||
bool create_typescript_path;
|
||||
|
||||
/**
|
||||
* The path in which the screen recording should be saved, if enabled. If
|
||||
* no screen recording should be saved, this will be NULL.
|
||||
*/
|
||||
char* recording_path;
|
||||
|
||||
/**
|
||||
* The filename to use for the screen recording, if enabled.
|
||||
*/
|
||||
char* recording_name;
|
||||
|
||||
/**
|
||||
* Whether the screen recording path should be automatically created if it
|
||||
* does not already exist.
|
||||
*/
|
||||
bool create_recording_path;
|
||||
|
||||
/**
|
||||
* Whether output which is broadcast to each connected client (graphics,
|
||||
* streams, etc.) should NOT be included in the session recording. Output
|
||||
* is included by default, as it is necessary for any recording which must
|
||||
* later be viewable as video.
|
||||
*/
|
||||
bool recording_exclude_output;
|
||||
|
||||
/**
|
||||
* Whether changes to mouse state, such as position and buttons pressed or
|
||||
* released, should NOT be included in the session recording. Mouse state
|
||||
* is included by default, as it is necessary for the mouse cursor to be
|
||||
* rendered in any resulting video.
|
||||
*/
|
||||
bool recording_exclude_mouse;
|
||||
|
||||
/**
|
||||
* Whether keys pressed and released should be included in the session
|
||||
* recording. Key events are NOT included by default within the recording,
|
||||
* as doing so has privacy and security implications. Including key events
|
||||
* may be necessary in certain auditing contexts, but should only be done
|
||||
* with caution. Key events can easily contain sensitive information, such
|
||||
* as passwords, credit card numbers, etc.
|
||||
*/
|
||||
bool recording_include_keys;
|
||||
|
||||
/**
|
||||
* The ASCII code, as an integer, that the Kubernetes client will use when
|
||||
* the backspace key is pressed. By default, this is 127, ASCII delete, if
|
||||
* not specified in the client settings.
|
||||
*/
|
||||
int backspace;
|
||||
|
||||
} guac_kubernetes_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_kubernetes_settings_free() when no longer needed. If the arguments
|
||||
* fail to parse, NULL is returned.
|
||||
*/
|
||||
guac_kubernetes_settings* guac_kubernetes_parse_args(guac_user* user,
|
||||
int argc, const char** argv);
|
||||
|
||||
/**
|
||||
* Frees the given guac_kubernetes_settings object, having been previously
|
||||
* allocated via guac_kubernetes_parse_args().
|
||||
*
|
||||
* @param settings
|
||||
* The settings object to free.
|
||||
*/
|
||||
void guac_kubernetes_settings_free(guac_kubernetes_settings* settings);
|
||||
|
||||
/**
|
||||
* NULL-terminated array of accepted client args.
|
||||
*/
|
||||
extern const char* GUAC_KUBERNETES_CLIENT_ARGS[];
|
||||
|
||||
#endif
|
||||
|
116
src/protocols/kubernetes/user.c
Normal file
116
src/protocols/kubernetes/user.c
Normal file
@ -0,0 +1,116 @@
|
||||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing,
|
||||
* software distributed under the License is distributed on an
|
||||
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
* KIND, either express or implied. See the License for the
|
||||
* specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include "clipboard.h"
|
||||
#include "input.h"
|
||||
#include "kubernetes.h"
|
||||
#include "pipe.h"
|
||||
#include "settings.h"
|
||||
#include "terminal/terminal.h"
|
||||
#include "user.h"
|
||||
|
||||
#include <guacamole/client.h>
|
||||
#include <guacamole/socket.h>
|
||||
#include <guacamole/user.h>
|
||||
|
||||
#include <pthread.h>
|
||||
#include <string.h>
|
||||
|
||||
int guac_kubernetes_user_join_handler(guac_user* user, int argc, char** argv) {
|
||||
|
||||
guac_client* client = user->client;
|
||||
guac_kubernetes_client* kubernetes_client =
|
||||
(guac_kubernetes_client*) client->data;
|
||||
|
||||
/* Parse provided arguments */
|
||||
guac_kubernetes_settings* settings = guac_kubernetes_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;
|
||||
}
|
||||
|
||||
/* Store settings at user level */
|
||||
user->data = settings;
|
||||
|
||||
/* Connect to Kubernetes if owner */
|
||||
if (user->owner) {
|
||||
|
||||
/* Store owner's settings at client level */
|
||||
kubernetes_client->settings = settings;
|
||||
|
||||
/* Start client thread */
|
||||
if (pthread_create(&(kubernetes_client->client_thread), NULL,
|
||||
guac_kubernetes_client_thread, (void*) client)) {
|
||||
guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR,
|
||||
"Unable to start Kubernetes client thread");
|
||||
return 1;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/* If not owner, synchronize with current display */
|
||||
else {
|
||||
guac_terminal_dup(kubernetes_client->term, user, user->socket);
|
||||
guac_socket_flush(user->socket);
|
||||
}
|
||||
|
||||
/* Only handle events if not read-only */
|
||||
if (!settings->read_only) {
|
||||
|
||||
/* General mouse/keyboard/clipboard events */
|
||||
user->key_handler = guac_kubernetes_user_key_handler;
|
||||
user->mouse_handler = guac_kubernetes_user_mouse_handler;
|
||||
user->clipboard_handler = guac_kubernetes_clipboard_handler;
|
||||
|
||||
/* STDIN redirection */
|
||||
user->pipe_handler = guac_kubernetes_pipe_handler;
|
||||
|
||||
/* Display size change events */
|
||||
user->size_handler = guac_kubernetes_user_size_handler;
|
||||
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
}
|
||||
|
||||
int guac_kubernetes_user_leave_handler(guac_user* user) {
|
||||
|
||||
guac_kubernetes_client* kubernetes_client =
|
||||
(guac_kubernetes_client*) user->client->data;
|
||||
|
||||
/* Update shared cursor state */
|
||||
guac_common_cursor_remove_user(kubernetes_client->term->cursor, user);
|
||||
|
||||
/* Free settings if not owner (owner settings will be freed with client) */
|
||||
if (!user->owner) {
|
||||
guac_kubernetes_settings* settings =
|
||||
(guac_kubernetes_settings*) user->data;
|
||||
guac_kubernetes_settings_free(settings);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
38
src/protocols/kubernetes/user.h
Normal file
38
src/protocols/kubernetes/user.h
Normal file
@ -0,0 +1,38 @@
|
||||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing,
|
||||
* software distributed under the License is distributed on an
|
||||
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
* KIND, either express or implied. See the License for the
|
||||
* specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*/
|
||||
|
||||
#ifndef GUAC_KUBERNETES_USER_H
|
||||
#define GUAC_KUBERNETES_USER_H
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <guacamole/user.h>
|
||||
|
||||
/**
|
||||
* Handler for joining users.
|
||||
*/
|
||||
guac_user_join_handler guac_kubernetes_user_join_handler;
|
||||
|
||||
/**
|
||||
* Handler for leaving users.
|
||||
*/
|
||||
guac_user_leave_handler guac_kubernetes_user_leave_handler;
|
||||
|
||||
#endif
|
||||
|
Loading…
Reference in New Issue
Block a user