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GUACAMOLE-1005: Merge Docker support for configuring RemoteIPValve.

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Mike Jumper
2022-07-27 23:42:11 -07:00
committed by GitHub
parent ef9afb0c7d 65074cb1e4
commit fed176def6
2 changed files with 62 additions and 1 deletions
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6
Dockerfile
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@@ -50,6 +50,11 @@ RUN /opt/guacamole/bin/build-guacamole.sh "$BUILD_DIR" /opt/guacamole "$BUILD_PR
# For the runtime image, we start with the official Tomcat distribution # For the runtime image, we start with the official Tomcat distribution
FROM tomcat:${TOMCAT_VERSION}-${TOMCAT_JRE} FROM tomcat:${TOMCAT_VERSION}-${TOMCAT_JRE}
# Install XMLStarlet for server.xml alterations
RUN apt-get update -qq \
&& apt-get install -y xmlstarlet \
&& rm -rf /var/lib/apt/lists/*
# This is where the build artifacts go in the runtime image # This is where the build artifacts go in the runtime image
WORKDIR /opt/guacamole WORKDIR /opt/guacamole
@@ -68,4 +73,3 @@ USER guacamole
# Start Guacamole under Tomcat, listening on 0.0.0.0:8080 # Start Guacamole under Tomcat, listening on 0.0.0.0:8080
EXPOSE 8080 EXPOSE 8080
CMD ["/opt/guacamole/bin/start.sh" ] CMD ["/opt/guacamole/bin/start.sh" ]

57
guacamole-docker/bin/start.sh
View File

@@ -910,6 +910,58 @@ associate_json() {
# Add required .jar files to GUACAMOLE_EXT # Add required .jar files to GUACAMOLE_EXT
ln -s /opt/guacamole/json/guacamole-auth-*.jar "$GUACAMOLE_EXT" ln -s /opt/guacamole/json/guacamole-auth-*.jar "$GUACAMOLE_EXT"
} }
##
## Sets up Tomcat's remote IP valve that allows gathering the remote IP
## from headers set by a remote proxy
## Upstream documentation: https://tomcat.apache.org/tomcat-8.5-doc/api/org/apache/catalina/valves/RemoteIpValve.html
##
enable_remote_ip_valve() {
# Add <Valve> element
xmlstarlet edit --inplace \
--insert '/Server/Service/Engine/Host/*' --type elem -n Valve \
--insert '/Server/Service/Engine/Host/Valve[not(@className)]' --type attr -n className -v org.apache.catalina.valves.RemoteIpValve \
$CATALINA_BASE/conf/server.xml
# Allowed IPs
if [ -z "$PROXY_ALLOWED_IPS_REGEX" ]; then
echo "Using default Tomcat allowed IPs regex"
else
xmlstarlet edit --inplace \
--insert '/Server/Service/Engine/Host/Valve[@className="org.apache.catalina.valves.RemoteIpValve"]' \
--type attr -n internalProxies -v "$PROXY_ALLOWED_IPS_REGEX" \
$CATALINA_BASE/conf/server.xml
fi
# X-Forwarded-For
if [ -z "$PROXY_IP_HEADER" ]; then
echo "Using default Tomcat proxy IP header"
else
xmlstarlet edit --inplace \
--insert "/Server/Service/Engine/Host/Valve[@className='org.apache.catalina.valves.RemoteIpValve']" \
--type attr -n remoteIpHeader -v "$PROXY_IP_HEADER" \
$CATALINA_BASE/conf/server.xml
fi
# X-Forwarded-Proto
if [ -z "$PROXY_PROTOCOL_HEADER" ]; then
echo "Using default Tomcat proxy protocol header"
else
xmlstarlet edit --inplace \
--insert "/Server/Service/Engine/Host/Valve[@className='org.apache.catalina.valves.RemoteIpValve']" \
--type attr -n protocolHeader -v "$PROXY_PROTOCOL_HEADER" \
$CATALINA_BASE/conf/server.xml
fi
# X-Forwarded-By
if [ -z "$PROXY_BY_HEADER" ]; then
echo "Using default Tomcat proxy forwarded by header"
else
xmlstarlet edit --inplace \
--insert "/Server/Service/Engine/Host/Valve[@className='org.apache.catalina.valves.RemoteIpValve']" \
--type attr -n remoteIpProxiesHeader -v "$PROXY_BY_HEADER" \
$CATALINA_BASE/conf/server.xml
fi
}
## ##
## Adds api-session-timeout to guacamole.properties ## Adds api-session-timeout to guacamole.properties
@@ -932,6 +984,11 @@ start_guacamole() {
done done
cp -R /usr/local/tomcat/conf $CATALINA_BASE cp -R /usr/local/tomcat/conf $CATALINA_BASE
# Set up Tomcat RemoteIPValve
if [ "$REMOTE_IP_VALVE_ENABLED" = "true" ]; then
enable_remote_ip_valve
fi
# Install webapp # Install webapp
ln -sf /opt/guacamole/guacamole.war $CATALINA_BASE/webapps/${WEBAPP_CONTEXT:-guacamole}.war ln -sf /opt/guacamole/guacamole.war $CATALINA_BASE/webapps/${WEBAPP_CONTEXT:-guacamole}.war