#!/usr/bin/env bash

# Script used with Drone CI to check that a statically build lokinet only links against the expected
# base system libraries.  Expects to be run with pwd of the build directory.

set -o errexit

bad=
if [ "$DRONE_STAGE_OS" == "darwin" ]; then
    if otool -L llarp/apple/org.lokinet.network-extension.systemextension/Contents/MacOS/org.lokinet.network-extension | \
        grep -Ev '^llarp/apple:|^\t(/usr/lib/lib(System\.|c\+\+|objc))|/System/Library/Frameworks/(CoreFoundation|NetworkExtension|Foundation|Network)\.framework'; then
        bad=1
    fi
elif [ "$DRONE_STAGE_OS" == "linux" ]; then
    if ldd daemon/lokinet | grep -Ev '(linux-vdso|ld-linux-(x86-64|armhf|aarch64)|lib(pthread|dl|rt|stdc\+\+|gcc_s|c|m))\.so'; then
        bad=1
    fi
else
    echo -e "\n\n\n\n\e[31;1mDon't know how to check linked libs on $DRONE_STAGE_OS\e[0m\n\n\n"
    exit 1
fi

if [ -n "$bad" ]; then
    echo -e "\n\n\n\n\e[31;1mlokinet links to unexpected libraries\e[0m\n\n\n"
    exit 1
fi

echo -e "\n\n\n\n\e[32;1mNo unexpected linked libraries found\e[0m\n\n\n"