Fix -h in zerotier-cli and move code to find auth token into LocalClient, also move auth token for mac into Mac-standard Library/Application Support location.

node/Node.cpp

@@ -188,6 +188,32 @@ std::vector<std::string> Node::LocalClient::splitLine(const char *line)
 	return Utils::split(line," ","\\","\"");
 }
 
+std::string Node::LocalClient::authTokenDefaultUserPath()
+{
+	const char *home = getenv("HOME");
+	if (home) {
+#ifdef __APPLE__
+		return (std::string(home) + "/Library/Application Support/ZeroTier/One/authtoken.secret");
+#else
+		return (std::string(home) + "/.zeroTierOneAuthToken");
+#endif
+	}
+	return std::string();
+}
+
+std::string Node::LocalClient::authTokenDefaultSystemPath()
+{
+#ifdef __WINDOWS__
+	// TODO
+#else
+#ifdef __APPLE__
+	return "/Library/Application Support/ZeroTier/One/authtoken.secret";
+#else
+	return "/var/lib/zerotier-one/authtoken.secret";
+#endif
+#endif
+}
+
 struct _NodeImpl
 {
 	RuntimeEnvironment renv;

node/Node.hpp

@@ -84,6 +84,16 @@ public:
 		static std::vector<std::string> splitLine(const char *line);
 		static inline std::vector<std::string> splitLine(const std::string &line) { return splitLine(line.c_str()); }
 
+		/**
+		 * @return Default path for user-local authorization token for the current user or empty string if cannot be determined
+		 */
+		static std::string authTokenDefaultUserPath();
+
+		/**
+		 * @return Default system path for auth token on this platform
+		 */
+		static std::string authTokenDefaultSystemPath();
+
 	private:
 		// LocalClient is not copyable
 		LocalClient(const LocalClient&);