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updated readme and vncserver

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matt 2020-10-05 19:10:59 +00:00
parent 80513c8616
commit 0a68500ee3
4 changed files with 67 additions and 131 deletions
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28
README.md
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@ -26,11 +26,9 @@
Future Goals:
- Support uploads and downloads
- Json configuration file
- Pre-build Packages for all major Linux distributions
- CI pipelines to create releases
@ -40,36 +38,38 @@ We are currently developing releasable packages for major operating sytems. The
This installer assumes you already have a desktop environment installed, but have never configured a VNC server. Use the install script found in this project under builder/install/install.sh, currently Ubuntu 18.04LTS is the only operating system with pre-compiled binaries.
```sh
# use install script from builder/install/install.sh
sudo ./install.sh
# install dependencies
sudo apt-get -y install libjpeg-dev
# change owner of pre-installed cert to your user
# install KasmVNC
wget https://github.com/kasmtech/KasmVNC/releases/download/v0.9.1-beta/KasmVNC_0.9.1-beta_Ubuntu_18.04.tar.gz | sudo tar xz --strip 1 -C /
# Generate an SSL Cert and change owner
sudo openssl req -x509 -nodes -days 3650 -newkey rsa:2048 -keyout /usr/local/share/kasmvnc/certs/self.pem -out /usr/local/share/kasmvnc/certs/self.pem -subj "/C=US/ST=VA/L=None/O=None/OU=DoFu/CN=kasm/emailAddress=none@none.none"
sudo chown $USER /usr/local/share/kasmvnc/certs/self.pem
# create required files
touch ~/.Xresources
# start kasmvnc to generate the required files and then kill it
# it will prompt to set the vnc password
# start kasmvnc and set password for remote access
vncserver :1 -interface 0.0.0.0
vncserver -kill :1
# overwrite the VNC password to nothing. KasmVNC uses HTTPS basic authentication
echo '' | vncpasswd -f > $HOME/.vnc/passwd
# modify vncstartup to launch your environment of choice, in this example LXDE
echo '/usr/bin/lxsession -s LXDE &' >> ~/.vnc/xstartup
# The KasmVNC username is automatically set to your system username, you can mofify it if you wish
vi ~/.vnc/config
# launch KasmVNC
vncserver $DISPLAY -depth 24 -geometry 1280x1050 -basicAuth kasm_user:password -websocketPort 8443 -cert /usr/local/share/kasmvnc/certs/self.pem -sslOnly -FrameRate=24 -interface 0.0.0.0
vncserver $DISPLAY -depth 24 -geometry 1280x1050 -websocketPort 8443 -cert /usr/local/share/kasmvnc/certs/self.pem -sslOnly -FrameRate=24 -interface 0.0.0.0
```
Now navigate to your system at https://[ip-address]:8443/vnc.html
The options for vncserver in the example above:
| Argument | Description |
| -------- | ----------- |
| depth | Color depth, for jpeg/webp should be 24bit |
| geometry | Screensize, this will automatically be adjusted when the client connects. |
| basicAuth | Username and password seperated by a semi-colon. |
| websocketPort | The port to use for the web socket. Use a high port to avoid having to run as root. |
| cert | SSL cert to use for HTTPS |
| sslOnly | Disable HTTP |

79
builder/install/install.sh
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@ -1,79 +0,0 @@
set -e
OS_ID='unknown'
OS_VERSION_ID='unknown'
SUPPORTED='false'
if [[ $EUID -ne 0 ]]; then
echo "This script must ran with sudo"
exit 1
fi
function install_deps_ubuntu_18(){
# install deps and build tools
sudo apt-get update
sudo apt-get -y install libjpeg-dev libpng-dev libtiff-dev libgif-dev build-essential cmake libxfont-dev
wget http://launchpadlibrarian.net/347526424/libxfont1-dev_1.5.2-4ubuntu2_amd64.deb
wget http://launchpadlibrarian.net/347526425/libxfont1_1.5.2-4ubuntu2_amd64.deb
sudo dpkg -i libxfont1*.deb
rm /tmp/libxfont1*.deb
}
function build_webp(){
# build webp
wget https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-1.0.2.tar.gz
tar -xzvf /tmp/libwebp-*
cd /tmp/libwebp-1.0.2
./configure
make
sudo make install
cd /
rm -rf /tmp/libwebp*
sudo ldconfig
}
function install_kasmvnc(){
# install kasmvnc
wget -qO- https://github.com/kasmtech/KasmVNC/releases/download/v0.9.0-beta/KasmVNC_0.9.0-beta_Ubuntu_18.04.tar.gz | sudo tar xz --strip 1 -C /
#install cert
sudo mkdir /usr/local/share/kasmvnc/certs
sudo openssl req -x509 -nodes -days 3650 -newkey rsa:2048 -keyout /usr/local/share/kasmvnc/certs/self.pem -out /usr/local/share/kasmvnc/certs/self.pem -subj "/C=US/ST=VA/L=None/O=None/OU=DoFu/CN=kasm/emailAddress=none@none.none"
}
cd /tmp
# Get the OS and version
if [ -f /etc/os-release ] ; then
OS_ID="$(awk -F= '/^ID=/{print $2}' /etc/os-release)"
OS_VERSION_ID="$(awk -F= '/^VERSION_ID/{print $2}' /etc/os-release)"
fi
if [ "${OS_ID}" == "ubuntu" ] && ( [ "${OS_VERSION_ID}" == '"16.04"' ] || [ "${OS_VERSION_ID}" == '"18.04"' ] || [ "${OS_VERSION_ID}" == '"20.04"' ]) ; then
if [ "${OS_VERSION_ID}" == '"18.04"' ] ; then
SUPPORTED='true'
install_deps_ubuntu_18
build_webp
install_kasmvnc
fi
fi
if [ "${OS_ID}" == "debian" ] && ( [ "${OS_VERSION_ID}" == '"9"' ] || [ "${OS_VERSION_ID}" == '"10"' ] ) ; then
#TODO: Add support for debian
echo 'Debian is currently not supported'
fi
if [ "${OS_ID}" == '"centos"' ] && ( [ "${OS_VERSION_ID}" == '"7"' ] || [ "${OS_VERSION_ID}" == '"8"' ] ) ; then
#TODO: Add support for Centos
echo 'CentOS is currently not supported'
fi
if [ "${SUPPORTED}" == "false" ] ; then
echo "Installation Not Supported for this Operating System. You must compile KasmVNC from source."
exit -1
fi
echo "Installation is complete"
echo "Follow the instructions to complete setup"

3
kasmweb/app/ui.js
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@ -1006,7 +1006,8 @@ const UI = {
//recieved bottleneck stats
bottleneckStatsRecieve(e) {
document.getElementById("noVNC_connection_stats").innerHTML = e.detail.text;
var obj = JSON.parse(e.detail.text);
document.getElementById("noVNC_connection_stats").innerHTML = "CPU: " + obj[0] + "/" + obj[1] + " | Network: " + obj[2] + "/" + obj[3];
console.log(e.detail.text);
},

88
unix/vncserver Executable file → Normal file
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@ -45,6 +45,8 @@ $geometry = "1024x768";
$vncUserDir = "$ENV{HOME}/.vnc";
$vncUserConfig = "$vncUserDir/config";
$vncUserName = `id -u -n`;
$vncUserName =~ s/^\s+|\s+$//g;
$vncSystemConfigDir = "/etc/kasmvnc";
$vncSystemConfigDefaultsFile = "$vncSystemConfigDir/vncserver-config-defaults";
@ -89,7 +91,8 @@ $defaultConfig
"# desktop=sandbox\n".
"# geometry=2000x1200\n".
"# localhost\n".
"# alwaysshared\n");
"# alwaysshared\n".
"username=$vncUserName");
chop($host = `uname -n`);
@ -237,46 +240,50 @@ $passwordArgSpecified = 0;
@vncAuthStrings = ("vncauth", "tlsvnc", "x509vnc");
# ...first we check our configuration files' settings
if ($config{'securitytypes'}) {
$securityTypeArgSpecified = 1;
foreach $arg2 (split(',', $config{'securitytypes'})) {
if (grep {$_ eq lc($arg2)} @vncAuthStrings) {
$vncAuthEnabled = 1;
}
}
}
#if ($config{'securitytypes'}) {
# $securityTypeArgSpecified = 1;
# foreach $arg2 (split(',', $config{'securitytypes'})) {
# if (grep {$_ eq lc($arg2)} @vncAuthStrings) {
# $vncAuthEnabled = 1;
# }
# }
#}
# ...and finally we check CLI args, which in the case of the topic at
# hand (VNC auth or not), override anything found in configuration files
# (even so-called "mandatory" settings).
for ($i = 0; $i < @ARGV; ++$i) {
# -SecurityTypes can be followed by a space or "="
my @splitargs = split('=', $ARGV[$i]);
if (@splitargs <= 1 && $i < @ARGV - 1) {
push(@splitargs, $ARGV[$i + 1]);
}
if (lc(@splitargs[0]) eq "-securitytypes") {
if (@splitargs > 1) {
$securityTypeArgSpecified = 1;
}
foreach $arg2 (split(',', @splitargs[1])) {
if (grep {$_ eq lc($arg2)} @vncAuthStrings) {
$vncAuthEnabled = 1;
}
}
}
if ((lc(@splitargs[0]) eq "-password")
|| (lc(@splitargs[0]) eq "-passwordfile"
|| (lc(@splitargs[0]) eq "-rfbauth"))) {
$passwordArgSpecified = 1;
}
}
#for ($i = 0; $i < @ARGV; ++$i) {
# # -SecurityTypes can be followed by a space or "="
# my @splitargs = split('=', $ARGV[$i]);
# if (@splitargs <= 1 && $i < @ARGV - 1) {
# push(@splitargs, $ARGV[$i + 1]);
# }
# if (lc(@splitargs[0]) eq "-securitytypes") {
# if (@splitargs > 1) {
# $securityTypeArgSpecified = 1;
# }
# foreach $arg2 (split(',', @splitargs[1])) {
# if (grep {$_ eq lc($arg2)} @vncAuthStrings) {
# $vncAuthEnabled = 1;
# }
# }
# }
# if ((lc(@splitargs[0]) eq "-password")
# || (lc(@splitargs[0]) eq "-passwordfile"
# || (lc(@splitargs[0]) eq "-rfbauth"))) {
# $passwordArgSpecified = 1;
# }
#}
if ((!$securityTypeArgSpecified || $vncAuthEnabled) && !$passwordArgSpecified) {
($z,$z,$mode) = stat("$vncUserDir/passwd");
if (!(-e "$vncUserDir/passwd") || ($mode & 077)) {
# Disable vnc auth, kasmvnc uses https basic auth
system("echo '' | ".$exedir."vncpasswd -f > $vncUserDir/passwd");
$kasmAuthEnabled = 1;
if ($kasmAuthEnabled) {
if (!(-e "$ENV{HOME}/.kasmpasswd")) {
warn "\nYou will require a password to access your desktops.\n\n";
system($exedir."vncpasswd -q $vncUserDir/passwd");
system($exedir."kasmvncpasswd $ENV{HOME}/.kasmpasswd");
if (($? >> 8) != 0) {
exit 1;
}
@ -367,7 +374,8 @@ unless (kill 0, `cat $pidFile`) {
die "\n";
}
warn "\nNew '$desktopName' desktop is $host:$displayNumber\n\n";
warn "\nNew '$desktopName' desktop is $host:$displayNumber\n";
warn "\nUsername: $vncUserName\n\n";
# Create the user's xstartup script if necessary.
if (! $skipxstartup) {
@ -456,7 +464,13 @@ sub LoadConfig {
if ($warnoverride && $config{$k}) {
print("Warning: $configFile is overriding previously defined '$k' to be '$v'\n");
}
$config{$k} = $v;
# change username option to basicAuth and add colon as required by Xvnc, password will be taken from file
if ($k = "username") {
$config{"basicauth"} = "$v:";
$vncUserName = $v;
} else {
$config{$k} = $v;
}
} elsif ($_ =~ m/^\s*(\S+)/) {
# We can't reasonably warn on override of toggles (e.g. AlwaysShared)
# because it would get crazy to do so. We'd have to check if the