From 951eb26ec0f45234c332cda852a2f8000a40c046 Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Thu, 18 Aug 2016 17:48:42 -0500
Subject: [PATCH] unit: Add M3 parser unit test

---
 unit/test-wsc.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/unit/test-wsc.c b/unit/test-wsc.c
index 77d3262a..3bd77715 100644
--- a/unit/test-wsc.c
+++ b/unit/test-wsc.c
@@ -1019,6 +1019,65 @@ static void wsc_test_build_m2(const void *data)
 	l_free(out);
 }
 
+static const unsigned char eap_wsc_m3[] = {
+	0x01, 0x00, 0x00, 0x8a, 0x02, 0xa8, 0x00, 0x8a, 0xfe, 0x00, 0x37, 0x2a,
+	0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x10, 0x4a, 0x00, 0x01, 0x10, 0x10,
+	0x22, 0x00, 0x01, 0x07, 0x10, 0x39, 0x00, 0x10, 0x67, 0xa5, 0x53, 0x61,
+	0xee, 0x72, 0xc2, 0x21, 0x48, 0x78, 0xc5, 0x70, 0x89, 0x9f, 0xf2, 0xa0,
+	0x10, 0x14, 0x00, 0x20, 0x70, 0x9b, 0x9a, 0x2d, 0x26, 0x98, 0x0d, 0x46,
+	0x8e, 0x1c, 0xb8, 0x8a, 0xbf, 0xcb, 0x83, 0xb9, 0x65, 0xba, 0x0b, 0xd1,
+	0x20, 0xd9, 0x36, 0x9e, 0xc3, 0xc7, 0xb8, 0x9b, 0xe9, 0x0a, 0xa5, 0x50,
+	0x10, 0x15, 0x00, 0x20, 0xfd, 0x5f, 0xfa, 0xb0, 0xa1, 0x4b, 0x78, 0xf9,
+	0xa4, 0x9c, 0x84, 0x72, 0x2b, 0x08, 0x2e, 0x73, 0x73, 0x4e, 0xfb, 0x4d,
+	0xbf, 0x93, 0x08, 0xa9, 0x56, 0xa5, 0x52, 0x89, 0x4c, 0x74, 0x44, 0x8f,
+	0x10, 0x49, 0x00, 0x06, 0x00, 0x37, 0x2a, 0x00, 0x01, 0x20, 0x10, 0x05,
+	0x00, 0x08, 0xaf, 0x03, 0x0e, 0x95, 0xd6, 0xe6, 0x72, 0xaf,
+};
+
+struct m3_data {
+	struct wsc_m3 expected;
+	const void *pdu;
+	unsigned int len;
+};
+
+static const struct m3_data m3_data_1 = {
+	.pdu = eap_wsc_m3 + 18,
+	.len = sizeof(eap_wsc_m3) - 18,
+	.expected = {
+		.version2 = true,
+		.registrar_nonce = { 0x67, 0xa5, 0x53, 0x61, 0xee, 0x72, 0xc2,
+					0x21, 0x48, 0x78, 0xc5, 0x70, 0x89,
+					0x9f, 0xf2, 0xa0 },
+		.e_hash1 = { 0x70, 0x9b, 0x9a, 0x2d, 0x26, 0x98, 0x0d, 0x46,
+			0x8e, 0x1c, 0xb8, 0x8a, 0xbf, 0xcb, 0x83, 0xb9, 0x65,
+			0xba, 0x0b, 0xd1, 0x20, 0xd9, 0x36, 0x9e, 0xc3, 0xc7,
+			0xb8, 0x9b, 0xe9, 0x0a, 0xa5, 0x50 },
+		.e_hash2 = { 0xfd, 0x5f, 0xfa, 0xb0, 0xa1, 0x4b, 0x78, 0xf9,
+			0xa4, 0x9c, 0x84, 0x72, 0x2b, 0x08, 0x2e, 0x73, 0x73,
+			0x4e, 0xfb, 0x4d, 0xbf, 0x93, 0x08, 0xa9, 0x56, 0xa5,
+			0x52, 0x89, 0x4c, 0x74, 0x44, 0x8f },
+		.authenticator = { 0xaf, 0x03, 0x0e, 0x95, 0xd6, 0xe6,
+					0x72, 0xaf },
+	},
+};
+
+static void wsc_test_parse_m3(const void *data)
+{
+	const struct m3_data *test = data;
+	struct wsc_m3 m3;
+	const struct wsc_m3 *expected = &test->expected;
+	int r;
+
+	r = wsc_parse_m3(test->pdu, test->len, &m3);
+	assert(r == 0);
+
+	assert(expected->version2 == m3.version2);
+	assert(!memcmp(expected->registrar_nonce, m3.registrar_nonce, 16));
+	assert(!memcmp(expected->e_hash1, m3.e_hash1, 32));
+	assert(!memcmp(expected->e_hash2, m3.e_hash2, 32));
+	assert(!memcmp(expected->authenticator, m3.authenticator, 8));
+}
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
@@ -1058,5 +1117,7 @@ int main(int argc, char *argv[])
 
 	l_test_add("/wsc/build/m2 1", wsc_test_build_m2, &m2_data_1);
 
+	l_test_add("/wsc/parse/m3 1", wsc_test_parse_m3, &m3_data_1);
+
 	return l_test_run();
 }