feat(makefile): create functions to install, test and configure

Author: lorival

Makefile

@@ -0,0 +1,47 @@
+barracuda_file = barracudavpn_5.1.4_amd64.deb
+key_directory = ~/.keys
+key_path = $(key_directory)/barracuda-vpn-key_rsa
+user_file_encrypted = vpn.user
+pwd_file_encrypted = vpn.pwd
+zhell_path = ~/.zshrc
+
+.PHONY: install # = Install the barracuda-vpn
+install:
+	sudo dpkg -i $(barracuda_file)
+
+.PHONY: credentials # = Create key and encrypted files for credentials using the key
+credentials:
+	@ if [ "$(user)" = "" ] || [ "$(pwd)" = "" ]; then \
+        echo "Missing parameters! Use 'make test user=value pwd=value'"; \
+        exit 1; \
+    fi
+	mkdir -p $(key_directory)
+	openssl genrsa -out $(key_path) 2048
+	echo "$(user)" | openssl rsautl -inkey $(key_path) -encrypt > $(user_file_encrypted)
+	echo "$(pwd)" | openssl rsautl -inkey $(key_path) -encrypt > $(pwd_file_encrypted)
+	sudo chown root:root $(key_path)
+	sudo chmod 600 $(key_path)
+
+.PHONY: test # = Connect to the vpn and close the connection
+test:
+	./vpn-open $(key_path)
+	./vpn-close
+
+.PHONY: clean # = Remove the encrypted files for credentials and the key
+clean:
+	sudo rm $(user_file_encrypted) || true
+	sudo rm $(pwd_file_encrypted) || true
+	sudo rm $(key_path) || true
+	rmdir --ignore-fail-on-non-empty $(key_directory)
+
+.PHONY: configuration # = Create alias vpn and add this directory to PATH in the shell
+configuration:
+	echo "" >> $(zhell_path)
+	echo "" >> $(zhell_path)
+	echo "# Used to automate barracuda-vpn" >> $(zhell_path)
+	echo "alias vpn=\"vpn-open $(key_path)\"" >> $(zhell_path)
+	echo "export PATH=\44PATH:$(PWD)" >> $(zhell_path)
+
+.PHONY: help # = Generate list of targets with descriptions
+help:
+	@grep '^.PHONY: .* #' Makefile | sed 's/\.PHONY: \(.*\) # \(.*\)/\1 \2/' | expand -t20