From 045971cbb8d2544d3b077e3ed2c89d48aedd75a4 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 7 May 2015 12:25:11 +0100
Subject: [PATCH] Add unit test for cryptobox.

---
 test/CMakeLists.txt          |   1 +
 test/rspamd_cryptobox_test.c | 106 +++++++++++++++++++++++++++++++++++
 test/rspamd_test_suite.c     |   2 +
 test/tests.h                 |   2 +
 4 files changed, 111 insertions(+)
 create mode 100644 test/rspamd_cryptobox_test.c

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 89f70cc3d..839fc8798 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -11,6 +11,7 @@ SET(TESTSRC		rspamd_mem_pool_test.c
 				rspamd_upstream_test.c
 				rspamd_http_test.c
 				rspamd_lua_test.c
+				rspamd_cryptobox_test.c
 				rspamd_test_suite.c)
 
 ADD_EXECUTABLE(rspamd-test EXCLUDE_FROM_ALL ${TESTSRC})
diff --git a/test/rspamd_cryptobox_test.c b/test/rspamd_cryptobox_test.c
new file mode 100644
index 000000000..171ee7092
--- /dev/null
+++ b/test/rspamd_cryptobox_test.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2015, Vsevolod Stakhov
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *	 * Redistributions of source code must retain the above copyright
+ *	   notice, this list of conditions and the following disclaimer.
+ *	 * Redistributions in binary form must reproduce the above copyright
+ *	   notice, this list of conditions and the following disclaimer in the
+ *	   documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include "config.h"
+#include "main.h"
+#include "shingles.h"
+#include "fstring.h"
+#include "ottery.h"
+#include "cryptobox.h"
+
+static const int mapping_size = 64 * 8192;
+static const int max_seg = 1024;
+
+static void *
+create_mapping (int mapping_len, guchar **beg, guchar **end)
+{
+	void *map;
+	int psize = getpagesize ();
+
+	map = mmap (NULL, mapping_len + psize * 3, PROT_READ|PROT_WRITE,
+			MAP_ANON|MAP_SHARED, -1, 0);
+	g_assert (map != 0);
+	mprotect (map, psize, PROT_NONE);
+	/* Misalign pointer */
+	*beg = ((guchar *)map) + psize + 1;
+	*end = *beg + mapping_len;
+	mprotect (*beg + mapping_len - 1 + psize, psize, PROT_NONE);
+
+	return map;
+}
+
+static void
+check_result (const rspamd_nm_t key, const rspamd_nonce_t nonce,
+		const rspamd_sig_t mac, guchar *begin, guchar *end)
+{
+	guint64 *t = (guint64 *)begin;
+
+	g_assert (rspamd_cryptobox_decrypt_nm_inplace (begin, end - begin, nonce, key,
+			mac));
+
+	while (t < (guint64 *)end) {
+		g_assert (*t == 0);
+		t ++;
+	}
+}
+
+void
+rspamd_cryptobox_test_func (void)
+{
+	void *map;
+	guchar *begin, *end;
+	rspamd_nm_t key;
+	rspamd_nonce_t nonce;
+	rspamd_sig_t mac;
+	struct rspamd_cryptobox_segment *seg;
+	double t1, t2;
+
+	map = create_mapping (mapping_size, &begin, &end);
+
+	ottery_rand_bytes (key, sizeof (key));
+	ottery_rand_bytes (nonce, sizeof (nonce));
+
+	memset (mac, 0, sizeof (mac));
+	memset (begin, 0, end - begin);
+	seg = g_slice_alloc0 (sizeof (*seg) * max_seg);
+
+	/* Test baseline */
+	t1 = rspamd_get_ticks ();
+	rspamd_cryptobox_encrypt_nm_inplace (begin, end - begin, nonce, key, mac);
+	t2 = rspamd_get_ticks ();
+	check_result (key, nonce, mac, begin, end);
+
+	msg_info ("baseline encryption: %.6f", t2 - t1);
+	/* A single chunk as vector */
+	seg[0].data = begin;
+	seg[0].len = end - begin;
+	t1 = rspamd_get_ticks ();
+	rspamd_cryptobox_encryptv_nm_inplace (seg, 1, nonce, key, mac);
+	t2 = rspamd_get_ticks ();
+
+	check_result (key, nonce, mac, begin, end);
+
+	msg_info ("bulk encryption: %.6f", t2 - t1);
+}
diff --git a/test/rspamd_test_suite.c b/test/rspamd_test_suite.c
index 004b1eb92..72c2b5db6 100644
--- a/test/rspamd_test_suite.c
+++ b/test/rspamd_test_suite.c
@@ -55,6 +55,8 @@ main (int argc, char **argv)
 	g_test_add_func ("/rspamd/shingles", rspamd_shingles_test_func);
 	g_test_add_func ("/rspamd/http", rspamd_http_test_func);
 	g_test_add_func ("/rspamd/lua", rspamd_lua_test_func);
+	g_test_add_func ("/rspamd/crypto", rspamd_cryptobox_test_func);
+	g_test_add_func ("/rspamd/cryptobox", rspamd_cryptobox_test_func);
 
 	g_test_run ();
 
diff --git a/test/tests.h b/test/tests.h
index 5f304d42c..f0dab9c02 100644
--- a/test/tests.h
+++ b/test/tests.h
@@ -40,4 +40,6 @@ void rspamd_http_test_func (void);
 
 void rspamd_lua_test_func (void);
 
+void rspamd_cryptobox_test_func (void);
+
 #endif
-- 
2.39.5