init commit

1 files changed, 219 insertions, 0 deletions

diff --git a/test/wg2sd_test.cpp b/test/wg2sd_test.cpp
new file mode 100644
index 0000000..5d57ac9
--- /dev/null
+++ b/test/wg2sd_test.cpp
@@ -0,0 +1,219 @@
+#include "utest.h"
+
+#include "wg2sd.hpp"
+#include <sstream>
+#include <array>
+
+namespace wg2sd {
+	extern bool _is_default_route(std::string const & cidr);
+	extern bool _is_ipv4_route(std::string const & cidr);
+};
+
+using namespace wg2sd;
+
+UTEST(wg2sd, ip_helpers) {
+
+	std::array<std::string, 8> default_routes = {
+		"0/0",
+		"0.0/0",
+		"0.0.0/0",
+		"0.0.0.0/0",
+		"::/0",
+		"::0/0",
+		"::0/0",
+		"0000:0000:0000:0000::/0",
+	};
+
+	for(std::string const & s : default_routes) {
+		ASSERT_TRUE(_is_default_route(s));
+	}
+
+	std::array<std::string, 8> non_default_routes = {
+		"192.168.0.1/24",
+		"0.0.0.1/0",
+		"0.0.0.0/32",
+		"1/1",
+		"2001:db8::1/64",
+		"fe80::1/128",
+		"::1/128",
+		"2001:0db8:0000:0000::/64",
+	};
+
+	for(std::string const & s : non_default_routes) {
+		ASSERT_FALSE(_is_default_route(s));
+	}
+
+	std::array<std::string, 4> ipv4_route = {
+		"192.168.1.1",
+		"0.0.0.0/0",
+		"255.255.255.255/32",
+		"1.2.3.4/0"
+	};
+
+	for(std::string const & s : ipv4_route) {
+		ASSERT_TRUE(_is_ipv4_route(s));
+	}
+
+	std::array<std::string, 4> ipv6_route = {
+		"2001:db8::1/64",
+		"fe80::1/128",
+		"::1/128",
+		"2001:0db8:0000:0000::/64",
+	};
+
+	for(std::string const & s : ipv6_route) {
+		ASSERT_FALSE(_is_ipv4_route(s));
+	}
+}
+
+// Typical configuration, similar to that provided by mullvad.net
+char const * CONFIG1 = (
+	"[Interface]\n"
+	"  # Device: Fast Mink\n"
+	" PrivateKey = APmSX97Yww7WyHrQGG3u7oUJAKRazSyXVu9lD+A3aW8=\n"
+	"Address = 10.14.123.142/32,fc00:aaaa:aaaa:aa01::6:ad78/128\n"
+	"DNS =10.0.0.2\n"
+	"[Peer]\n"
+	"PublicKey = kMIIVxitU3/1AnAGwdL5KazDQ97MnkuEVz2sWihALnQ= \n"
+	"AllowedIPs = 0.0.0.0/0,::0/0 # comment\n"
+	"Endpoint = 194.36.25.33:51820\n"
+);
+
+// Configuration with multiple peers, interface peer tables are reversed
+const char * CONFIG2 = (
+	"[Peer]\n"
+	"PublicKey = sMYYPASxJslAuszh5PgUPysrzZHHBOzawJ8PFbRQrHI=\n"
+	"AllowedIPs = 192.168.1.2/32\n"
+	"Endpoint = 203.0.113.1:51820\n"
+	"\n"
+	"[Peer]\n"
+	"PublicKey = kB9CSPsPS5irR0ZpVAHZKPNHLQKjIFjmgc6MSCAiWUs=\n"
+	"AllowedIPs = 192.168.1.3/32\n"
+	"Endpoint = 203.0.113.2:51820\n"
+	"\n"
+	"[Interface]\n"
+	"PrivateKey = ED3TF8deMhmXHa7Jrp024uv5T7jKl7611vFV3C1P+EY=\n"
+	"Address = 192.168.1.1/24\n"
+);
+
+// Configuration with persistant keepalive, psk, and multiple DNS entries
+const char * CONFIG3 = (
+	"[Interface]\n"
+	"PrivateKey = cJgeEfHUay0aKpV+k1lFK9nq9JJcqzKm8+Wh3EGtg1c=\n"
+	"  Table=5\n"
+	"\t\tAddress = 192.168.1.1/24\n"
+	"DNS = 8.8.8.8,\t 8.8.4.4\n"
+	"ListenPort = 4444\n"
+	"Table = 42\n"
+	"\n"
+	"[Peer]\n"
+	"   PublicKey = kB9CSPsPS5irR0ZpVAHZKPNHLQKjIFjmgc6MSCAiWUs=\n"
+	"  AllowedIPs = 192.168.1.2/32\n"
+	"Endpoint = 203.0.113.1:51820\n"
+	"PersistentKeepalive = 25\n"
+	"    PresharedKey = KIst3pK+YVHmM5k7NbNULKd2px9vaRsFi/y4E7NDWDQ=\n"
+);
+
+const char * INVALID_CONFIG = (
+	"PrivateKey = kPvfTBQxgHpaXI9wVj6JrtYKIJLVXrf0zg6ON7qUxl8=\n"
+	"Address = 192.168.1.1/24\n"
+	"[Interface]\n"
+);
+
+
+UTEST(wg2sd, parses_config) {
+
+	// CONFIG1
+	std::istringstream ss { CONFIG1 };
+
+	Config cfg = parse_config("wg", ss);
+
+	ASSERT_STREQ(cfg.intf.name.c_str(), "wg");
+	ASSERT_STREQ(cfg.intf.private_key.c_str(), "APmSX97Yww7WyHrQGG3u7oUJAKRazSyXVu9lD+A3aW8=");
+	ASSERT_EQ(cfg.intf.table, 0ul);
+	ASSERT_FALSE(cfg.intf.listen_port.has_value());
+	ASSERT_EQ(cfg.intf.DNS.size(), 1ull);
+	ASSERT_STREQ(cfg.intf.DNS.back().c_str(), "10.0.0.2");
+	ASSERT_EQ(cfg.peers.size(), 1ull);
+
+	const Peer & peer = cfg.peers[0];
+
+	ASSERT_STREQ(peer.endpoint.c_str(), "194.36.25.33:51820");
+	ASSERT_STREQ(peer.allowed_ips[0].route.c_str(), "0.0.0.0/0");
+	ASSERT_TRUE(peer.allowed_ips[0].is_ipv4);
+	ASSERT_TRUE(peer.allowed_ips[0].is_default_route);
+	ASSERT_STREQ(peer.allowed_ips[1].route.c_str(), "::0/0");
+	ASSERT_FALSE(peer.allowed_ips[1].is_ipv4);
+	ASSERT_TRUE(peer.allowed_ips[1].is_default_route);
+
+	ASSERT_STREQ(peer.public_key.c_str(), "kMIIVxitU3/1AnAGwdL5KazDQ97MnkuEVz2sWihALnQ=");
+	ASSERT_STREQ(peer.preshared_key.c_str(), "");
+	ASSERT_STREQ(peer.persistent_keepalive.c_str(), "");
+
+	// CONFIG2
+	std::istringstream ss2 { CONFIG2 };
+
+	Config cfg2 = parse_config("wg", ss2);
+
+	ASSERT_STREQ(cfg2.intf.name.c_str(), "wg");
+	ASSERT_FALSE(cfg2.intf.listen_port.has_value());
+	ASSERT_STREQ(cfg2.intf.private_key.c_str(), "ED3TF8deMhmXHa7Jrp024uv5T7jKl7611vFV3C1P+EY=");
+	ASSERT_EQ(cfg2.intf.table, 0ul);
+	ASSERT_EQ(cfg2.intf.DNS.size(), 0ull);
+	
+	ASSERT_EQ(cfg2.peers.size(), 2ull);
+
+	const Peer &peer2_1 = cfg2.peers[0];
+
+	ASSERT_STREQ(peer2_1.endpoint.c_str(), "203.0.113.1:51820");
+	ASSERT_STREQ(peer2_1.allowed_ips[0].route.c_str(), "192.168.1.2/32");
+	ASSERT_TRUE(peer2_1.allowed_ips[0].is_ipv4);
+	ASSERT_FALSE(peer2_1.allowed_ips[0].is_default_route);
+	ASSERT_STREQ(peer2_1.public_key.c_str(), "sMYYPASxJslAuszh5PgUPysrzZHHBOzawJ8PFbRQrHI=");
+	ASSERT_STREQ(peer2_1.preshared_key.c_str(), "");
+	ASSERT_STREQ(peer2_1.persistent_keepalive.c_str(), "");
+
+	const Peer &peer2_2 = cfg2.peers[1];
+
+	ASSERT_STREQ(peer2_2.endpoint.c_str(), "203.0.113.2:51820");
+	ASSERT_STREQ(peer2_2.allowed_ips[0].route.c_str(), "192.168.1.3/32");
+	ASSERT_TRUE(peer2_2.allowed_ips[0].is_ipv4);
+	ASSERT_FALSE(peer2_2.allowed_ips[0].is_default_route);
+	ASSERT_STREQ(peer2_2.public_key.c_str(), "kB9CSPsPS5irR0ZpVAHZKPNHLQKjIFjmgc6MSCAiWUs=");
+	ASSERT_STREQ(peer2_2.preshared_key.c_str(), "");
+	ASSERT_STREQ(peer2_2.persistent_keepalive.c_str(), "");
+
+	// CONFIG3
+	std::istringstream ss3 { CONFIG3 };
+
+	Config cfg3 = parse_config("wg", ss3);
+
+	ASSERT_STREQ(cfg3.intf.name.c_str(), "wg");
+	ASSERT_STREQ(cfg3.intf.private_key.c_str(), "cJgeEfHUay0aKpV+k1lFK9nq9JJcqzKm8+Wh3EGtg1c=");
+	ASSERT_EQ(cfg3.intf.table, 42ul);
+	uint16_t port = cfg3.intf.listen_port.value();
+	ASSERT_EQ(port, 4444);
+	ASSERT_EQ(cfg3.intf.DNS.size(), 2ull);
+	ASSERT_STREQ(cfg3.intf.DNS[0].c_str(), "8.8.8.8");
+	ASSERT_STREQ(cfg3.intf.DNS[1].c_str(), "8.8.4.4");
+	
+	ASSERT_EQ(cfg3.peers.size(), 1ull);
+
+	const Peer &peer3 = cfg3.peers[0];
+
+	ASSERT_STREQ(peer3.endpoint.c_str(), "203.0.113.1:51820");
+	ASSERT_STREQ(peer3.allowed_ips[0].route.c_str(), "192.168.1.2/32");
+	ASSERT_TRUE(peer3.allowed_ips[0].is_ipv4);
+	ASSERT_FALSE(peer3.allowed_ips[0].is_default_route);
+	ASSERT_STREQ(peer3.public_key.c_str(), "kB9CSPsPS5irR0ZpVAHZKPNHLQKjIFjmgc6MSCAiWUs=");
+	ASSERT_STREQ(peer3.preshared_key.c_str(), "KIst3pK+YVHmM5k7NbNULKd2px9vaRsFi/y4E7NDWDQ=");
+	ASSERT_STREQ(peer3.persistent_keepalive.c_str(), "25");
+
+
+	// INVALID_CONFIG
+	std::istringstream ss4 { INVALID_CONFIG };
+
+	ASSERT_EXCEPTION(parse_config("wg", ss4), ParsingException);
+}
+
+UTEST_MAIN()