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-rw-r--r--tests/modules/test_onlinesign.c203
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;
+}