Adding upstream version 2.7.6.upstream/2.7.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 203 insertions, 0 deletions

diff --git a/tests/modules/test_onlinesign.c b/tests/modules/test_onlinesign.c
new file mode 100644
index 0000000..e2b3e89
--- /dev/null
+++ b/tests/modules/test_onlinesign.c
@@ -0,0 +1,203 @@
+/*  Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <tap/basic.h>
+#include <assert.h>
+
+#include "knot/modules/onlinesign/nsec_next.h"
+#include "libknot/consts.h"
+#include "libknot/dname.h"
+#include "libknot/errcode.h"
+
+/*!
+ * \brief Assert that a domain name in a static buffer is valid.
+ */
+#define _assert_dname(name) \
+	assert(knot_dname_wire_check(name, name + KNOT_DNAME_MAXLEN, NULL) > 0)
+
+static void _test_nsec_next(const char *msg,
+                            const knot_dname_t *input,
+                            const knot_dname_t *apex,
+                            const knot_dname_t *expected)
+{
+	knot_dname_t *next = online_nsec_next(input, apex);
+	ok(next != NULL && knot_dname_is_equal(next, expected),
+	   "nsec_next, %s", msg);
+	knot_dname_free(next, NULL);
+}
+
+/*!
+ * \brief Check \a online_nsec_next.
+ *
+ * Intentionally implemented as a macro. The input domain names are copied
+ * into static buffers and validated.
+ */
+#define test_nsec_next(msg, _input, _apex, _expected) \
+{ \
+	uint8_t input[KNOT_DNAME_MAXLEN] = _input; \
+	uint8_t apex[KNOT_DNAME_MAXLEN] = _apex; \
+	uint8_t expected[KNOT_DNAME_MAXLEN] = _expected; \
+	\
+	_assert_dname(input); \
+	_assert_dname(apex); \
+	_assert_dname(expected); \
+	\
+	_test_nsec_next(msg, input, apex, expected); \
+}
+
+int main(int argc, char *argv[])
+{
+	plan_lazy();
+
+	// adding a single zero-byte label
+
+	test_nsec_next(
+		"zero-byte label, apex",
+		"\x7""example""\x3""com",
+		"\x7""example""\x3""com",
+		"\x01\x00""\x07""example""\x03""com"
+	);
+
+	test_nsec_next(
+		"zero-byte label, subdomain",
+		"\x02""nx""\x7""example""\x3""com",
+		"\x7""example""\x3""com",
+		"\x01\x00""\x02""nx""\x07""example""\x03""com"
+	);
+
+	test_nsec_next(
+		"zero-byte label, binary",
+		"\x02\xff\xff""\x7""example""\x3""com",
+		"\x07""example""\x3""com",
+		"\x01\x00""\x02\xff\xff""\x7""example""\x3""com"
+	);
+
+	// zero byte label won't fit, increment
+	#define APEX \
+		"\x05""bacon""\x05""salad"
+
+	#define LONG_SUFFIX \
+		"\x2e""xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" \
+		"\x2e""iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii" \
+		"\x2e""mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm" \
+		"\x2e""qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq" \
+		"\x2c""zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"   \
+		APEX
+	assert(sizeof(LONG_SUFFIX) == 245 + 1);
+
+	test_nsec_next(
+		"increment first label (simple)",
+		"\x08""icecream" LONG_SUFFIX,
+		APEX,
+		"\x08""icecrean" LONG_SUFFIX
+	);
+
+	test_nsec_next(
+		"increment first label (binary)",
+		"\x08""walrus\xff\xff" LONG_SUFFIX,
+		APEX,
+		"\x08""walrut\x00\x00" LONG_SUFFIX
+	);
+
+	test_nsec_next(
+		"increment first label (in place)",
+		"\x07""lobster" LONG_SUFFIX,
+		APEX,
+		"\x07""lobstes" LONG_SUFFIX
+	);
+
+	test_nsec_next(
+		"increment first label (extend)",
+		"\x07""\xff\xff\xff\xff\xff\xff\xff" LONG_SUFFIX,
+		APEX,
+		"\x08""\xff\xff\xff\xff\xff\xff\xff\x00" LONG_SUFFIX
+	);
+
+	// name too long
+
+	test_nsec_next(
+		"name to long, strip label and increase next (simple)",
+		"\x03""\xff\xff\xff""\x04""newt" LONG_SUFFIX,
+		APEX,
+		"\x04""newu" LONG_SUFFIX
+	);
+
+	test_nsec_next(
+		"name to long, strip label and increase next (binary)",
+		"\x03""\xff\xff\xff""\x04""cc\xff\xff" LONG_SUFFIX,
+		APEX,
+		"\x04""cd\x00\x00" LONG_SUFFIX
+	);
+
+	test_nsec_next(
+		"name to long, strip label and increase next (extend)",
+		"\x04""\xff\xff\xff\xff""\x03""\xff\xff\xff" LONG_SUFFIX,
+		APEX,
+		"\x04""\xff\xff\xff\x00" LONG_SUFFIX
+	);
+
+	// label too long
+
+	#define MAX_LABEL "\x3f" /* 63 */ \
+		"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" \
+		"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" \
+		"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" \
+		"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" \
+		"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" \
+		"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" \
+		"\xff\xff\xff"
+	assert(sizeof(MAX_LABEL) == 64 + 1);
+
+	#define PAD_LABEL "\x28" /* 40 */ \
+		"iiiiiiiiiioooooooooottttttttttssssssssss"
+	assert(sizeof(PAD_LABEL) == 41 + 1);
+
+	test_nsec_next(
+		"label too long, strip and increase next (simple)",
+		MAX_LABEL "\x08""mandrill" MAX_LABEL MAX_LABEL PAD_LABEL APEX,
+		APEX,
+		"\x08""mandrilm" MAX_LABEL MAX_LABEL PAD_LABEL APEX
+	);
+
+	test_nsec_next(
+		"label too long, strip and increase next (extend)",
+		MAX_LABEL "\x07""\xff\xff\xff\xff\xff\xff\xff" MAX_LABEL MAX_LABEL PAD_LABEL APEX,
+		APEX,
+		"\x08""\xff\xff\xff\xff\xff\xff\xff\x00" MAX_LABEL MAX_LABEL PAD_LABEL APEX
+	);
+
+	test_nsec_next(
+		"label too long, strip multiple",
+		MAX_LABEL MAX_LABEL "\x08""flamingo" MAX_LABEL PAD_LABEL APEX,
+		APEX,
+		"\x08""flamingp" MAX_LABEL PAD_LABEL APEX
+	);
+
+	test_nsec_next(
+		"label too long, wrap around to apex",
+		"\x31" /* 49 */
+		"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
+		"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
+		"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
+		"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
+		"\xff\xff\xff\xff\xff\xff\xff\xff\xff"
+		MAX_LABEL MAX_LABEL MAX_LABEL APEX,
+		APEX,
+		APEX
+	);
+
+	return 0;
+}