Added ICMP sockets, DNS PTR. Refactored posix support #119

	name: Linux interop tests

	on:
	push:
	branches: [ 'master', 'main', 'release/**' ]
	pull_request:
	branches: [ '*' ]

	jobs:
	linux_test:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true

	- name: Update repo
	run: \|
	sudo apt-get update
	sudo apt-get install -y libwolfssl-dev
	sudo modprobe tun

	- name: Build linux tests
	run: \|
	mkdir -p build/port
	make

	- name: Run standalone "event loop" test
	run: \|
	sudo ./build/test-evloop
	sudo killall tcpdump \|\| true

	- name: Run standalone wolfssl test
	run: \|
	sudo ./build/test-wolfssl
	sudo killall tcpdump \|\| true

	- name: Run standalone forwarding test
	run: \|
	sudo ./build/test-wolfssl-forwarding

	- name: Run standalone TTL expired test
	run: \|
	./build/test-ttl-expired

	- name: Testing ICMP socket by stealing system calls in ping
	run: \|
	sudo LD_PRELOAD=$PWD/libwolfip.so ping -c 5 10.10.10.1

	- name: Install check
	run: \|
	sudo apt-get install -y check

	- name: Build unit tests
	run: \|
	make unit

	- name: Run unit tests
	run: \|
	build/test/unit

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