Check macOS Lightspeed Filter Agent

check-agent.sh

#!/bin/zsh

# Checks if Lightspeed Filter Agent processes are running, binaries are installed, and Network Extension is running
# If a component is not installed or not running, returns "Error: <error reason>"
# Otherwise returns mobilefilter version

# check for installed binaries
if ! test -f /Applications/.lightspeed-agent/lsproxy; then
    printf "<result>Error: lsproxy binary not found</result>"
    exit 1
fi
if ! test -f /Applications/.lightspeed-agent/lsfilter; then
    printf "<result>Error: lsfilter binary not found</result>"
    exit 1
fi
if ! test -f /Applications/Lightspeed\ Agent.app/Contents/MacOS/Lightspeed\ Agent; then
    printf "<result>Error: Lightspeed Agent.app not found</result>"
    exit 1
fi
if ! test -f /usr/local/bin/proxyforce; then
    printf "<result>Error: proxyforce binary not found</result>"
    exit 1
fi
if ! test -f /usr/local/bin/mobilefilter; then
    printf "<result>Error: mobilefilter binary not found</result>"
    exit 1
fi

# check for running processes
if ! pgrep -x lsproxy >/dev/null 2>&1; then
    printf "<result>Error: lsproxy process not running</result>"
    exit 1
fi
if ! pgrep -x lsfilter >/dev/null 2>&1; then
    printf "<result>Error: lsproxy process not running</result>"
    exit 1
fi
if ! pgrep -x "Lightspeed Agent" >/dev/null 2>&1; then
    printf "<result>Error: Lightspeed Agent.app process not running</result>"
    exit 1
fi
if ! pgrep -x proxyforce >/dev/null 2>&1; then
    printf "<result>Error: proxyforce process not running</result>"
    exit 1
fi
if ! pgrep -x mobilefilter >/dev/null 2>&1; then
    printf "<result>Error: mobilefilter process not running</result>"
    exit 1
fi

# check if Network Extension is active
if ! $(systemextensionsctl list | grep -q "com.lightspeedsystems.network-agent.network-extension"); then
    printf "<result>Error: Network extension not installed</result>"
    exit 1
fi

if ! $(systemextensionsctl list | grep "com.lightspeedsystems.network-agent.network-extension" | grep -q "activated enabled"); then
    printf "<result>Error: Network extension not active</result>"
    exit 1
fi
if ! pgrep -x "com.lightspeedsystems.network-agent.network-extension" >/dev/null 2>&1; then
    printf "<result>Error: Network extension process not running</result>"
    exit 1
fi

printf "<result>$(/usr/local/bin/mobilefilter -v)</result>"