From 5c88de6e65dae9e980c8b13aa0a49f17903eb7ed Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Tue, 30 Aug 2016 09:46:20 -0500
Subject: [PATCH] unit: Add M5 parser unit test

---
 unit/test-wsc.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/unit/test-wsc.c b/unit/test-wsc.c
index ffaf1a48..0a72f163 100644
--- a/unit/test-wsc.c
+++ b/unit/test-wsc.c
@@ -1300,6 +1300,64 @@ static void wsc_test_build_m4(const void *data)
 	l_free(out);
 }
 
+static const unsigned char eap_wsc_m5[] = {
+	0x01, 0x00, 0x00, 0x86, 0x02, 0xa9, 0x00, 0x86, 0xfe, 0x00, 0x37, 0x2a,
+	0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x10, 0x4a, 0x00, 0x01, 0x10, 0x10,
+	0x22, 0x00, 0x01, 0x09, 0x10, 0x39, 0x00, 0x10, 0x67, 0xa5, 0x53, 0x61,
+	0xee, 0x72, 0xc2, 0x21, 0x48, 0x78, 0xc5, 0x70, 0x89, 0x9f, 0xf2, 0xa0,
+	0x10, 0x18, 0x00, 0x40, 0x9a, 0x31, 0xf8, 0x4b, 0x46, 0x72, 0xf2, 0xcc,
+	0xf6, 0x3c, 0x84, 0x5e, 0xed, 0x34, 0x64, 0xec, 0xe6, 0x04, 0xe5, 0xb1,
+	0xac, 0xac, 0xa5, 0x5d, 0x50, 0x5f, 0xcc, 0x5c, 0x99, 0x13, 0x3f, 0xe7,
+	0x24, 0xb8, 0x10, 0x41, 0x04, 0x94, 0x2a, 0x3c, 0x56, 0xe5, 0x14, 0xee,
+	0x57, 0xda, 0xdf, 0x25, 0x57, 0xbe, 0x3e, 0x71, 0x8a, 0x10, 0x3a, 0x88,
+	0xd9, 0x74, 0x42, 0x2d, 0x53, 0x6a, 0xa6, 0xe5, 0x10, 0x49, 0x00, 0x06,
+	0x00, 0x37, 0x2a, 0x00, 0x01, 0x20, 0x10, 0x05, 0x00, 0x08, 0x6c, 0x80,
+	0x5a, 0x2f, 0xac, 0x19, 0x7c, 0x35,
+};
+
+struct m5_data {
+	struct wsc_m5 expected;
+	const uint8_t *expected_encrypted;
+	size_t expected_encrypted_size;
+	const void *pdu;
+	unsigned int len;
+};
+
+static const struct m5_data m5_data_1 = {
+	.pdu = eap_wsc_m5 + 18,
+	.len = sizeof(eap_wsc_m5) - 18,
+	.expected = {
+		.version2 = true,
+		.registrar_nonce = { 0x67, 0xa5, 0x53, 0x61, 0xee, 0x72, 0xc2,
+					0x21, 0x48, 0x78, 0xc5, 0x70, 0x89,
+					0x9f, 0xf2, 0xa0 },
+		.authenticator = { 0x6c, 0x80, 0x5a, 0x2f, 0xac, 0x19,
+						0x7c, 0x35 },
+	},
+	.expected_encrypted = eap_wsc_m5 + 52,
+	.expected_encrypted_size = 64,
+};
+
+static void wsc_test_parse_m5(const void *data)
+{
+	const struct m5_data *test = data;
+	struct wsc_m5 m5;
+	const struct wsc_m5 *expected = &test->expected;
+	struct iovec encrypted;
+	int r;
+
+	r = wsc_parse_m5(test->pdu, test->len, &m5, &encrypted);
+	assert(r == 0);
+
+	assert(expected->version2 == m5.version2);
+	assert(!memcmp(expected->registrar_nonce, m5.registrar_nonce, 16));
+	assert(!memcmp(expected->authenticator, m5.authenticator, 8));
+
+	assert(test->expected_encrypted_size == encrypted.iov_len);
+	assert(!memcmp(test->expected_encrypted,
+					encrypted.iov_base, encrypted.iov_len));
+}
+
 static const uint8_t eap_identity_req[] = {
 	0x01, 0x00, 0x00, 0x05, 0x01, 0x00, 0x00, 0x05, 0x01
 };
@@ -1492,6 +1550,8 @@ int main(int argc, char *argv[])
 	l_test_add("/wsc/parse/m4 1", wsc_test_parse_m4, &m4_data_1);
 	l_test_add("/wsc/build/m4 1", wsc_test_build_m4, &m4_data_1);
 
+	l_test_add("/wsc/parse/m5 1", wsc_test_parse_m5, &m5_data_1);
+
 	l_test_add("/wsc/handshake/PBC Handshake Test",
 						wsc_test_pbc_handshake, NULL);