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-rw-r--r--tests/contrib/test_base64url.c252
1 files changed, 252 insertions, 0 deletions
diff --git a/tests/contrib/test_base64url.c b/tests/contrib/test_base64url.c
new file mode 100644
index 0000000..710aa29
--- /dev/null
+++ b/tests/contrib/test_base64url.c
@@ -0,0 +1,252 @@
+/* Copyright (C) 2020 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <tap/basic.h>
+
+#include "libknot/libknot.h"
+#include "contrib/base64url.h"
+#include "contrib/openbsd/strlcpy.h"
+
+#define BUF_LEN 256
+#define MAX_BIN_DATA_LEN ((INT32_MAX / 4) * 3)
+
+int main(int argc, char *argv[])
+{
+ plan(50);
+
+ int32_t ret;
+ uint8_t in[BUF_LEN], ref[BUF_LEN], out[BUF_LEN], out2[BUF_LEN], *out3;
+ uint32_t in_len, ref_len;
+
+ // 0. test invalid input
+ ret = knot_base64url_encode(NULL, 0, out, BUF_LEN);
+ is_int(KNOT_EINVAL, ret, "knot_base64ulr_encode: NULL input buffer");
+ ret = knot_base64url_encode(in, BUF_LEN, NULL, 0);
+ is_int(KNOT_EINVAL, ret, "knot_base64ulr_encode: NULL output buffer");
+ ret = knot_base64url_encode(in, MAX_BIN_DATA_LEN + 1, out, BUF_LEN);
+ is_int(KNOT_ERANGE, ret, "knot_base64ulr_encode: input buffer too large");
+ ret = knot_base64url_encode(in, BUF_LEN, out, BUF_LEN);
+ is_int(KNOT_ERANGE, ret, "knot_base64ulr_encode: output buffer too small");
+
+ ret = knot_base64url_encode_alloc(NULL, 0, &out3);
+ is_int(KNOT_EINVAL, ret, "knot_base64ulr_encode_alloc: NULL input buffer");
+ ret = knot_base64url_encode_alloc(in, MAX_BIN_DATA_LEN + 1, &out3);
+ is_int(KNOT_ERANGE, ret, "knot_base64ulr_encode_alloc: input buffer too large");
+ ret = knot_base64url_encode_alloc(in, BUF_LEN, NULL);
+ is_int(KNOT_EINVAL, ret, "knot_base64ulr_encode_alloc: NULL output buffer");
+
+ ret = knot_base64url_decode(NULL, 0, out, BUF_LEN);
+ is_int(KNOT_EINVAL, ret, "knot_base64ulr_decode: NULL input buffer");
+ ret = knot_base64url_decode(in, BUF_LEN, NULL, 0);
+ is_int(KNOT_EINVAL, ret, "knot_base64ulr_decode: NULL output buffer");
+ ret = knot_base64url_decode(in, BUF_LEN, out, 0);
+ is_int(KNOT_ERANGE, ret, "knot_base64ulr_decode: output buffer too small");
+
+ ret = knot_base64url_decode_alloc(NULL, 0, &out3);
+ is_int(KNOT_EINVAL, ret, "knot_base64ulr_decode_alloc: NULL input buffer");
+ ret = knot_base64url_decode_alloc(in, BUF_LEN, NULL);
+ is_int(KNOT_EINVAL, ret, "knot_base64ulr_decode_alloc: NULL output buffer");
+
+ // 1. test vector -> ENC -> DEC
+ strlcpy((char *)in, "", BUF_LEN);
+ in_len = strlen((char *)in);
+ strlcpy((char *)ref, "", BUF_LEN);
+ ref_len = strlen((char *)ref);
+ ret = knot_base64url_encode(in, in_len, out, BUF_LEN);
+ ok(ret == ref_len, "1. test vector - ENC output length");
+ if (ret < 0) {
+ skip("Encode err");
+ } else {
+ ok(memcmp(out, ref, ret) == 0, "1. test vector - ENC output content");
+ }
+ ret = knot_base64url_decode(out, ret, out2, BUF_LEN);
+ ok(ret == in_len, "1. test vector - DEC output length");
+ if (ret < 0) {
+ skip("Decode err");
+ } else {
+ ok(memcmp(out2, in, ret) == 0, "1. test vector - DEC output content");
+ }
+
+ // 2. test vector -> ENC -> DEC
+ strlcpy((char *)in, "f", BUF_LEN);
+ in_len = strlen((char *)in);
+ strlcpy((char *)ref, "Zg", BUF_LEN);
+ ref_len = strlen((char *)ref);
+ ret = knot_base64url_encode(in, in_len, out, BUF_LEN);
+ ok(ret == ref_len, "2. test vector - ENC output length");
+ if (ret < 0) {
+ skip("Encode err");
+ } else {
+ ok(memcmp(out, ref, ret) == 0, "2. test vector - ENC output content");
+ }
+ ret = knot_base64url_decode(out, ret, out2, BUF_LEN);
+ ok(ret == in_len, "2. test vector - DEC output length");
+ if (ret < 0) {
+ skip("Decode err");
+ } else {
+ ok(memcmp(out2, in, ret) == 0, "2. test vector - DEC output content");
+ }
+
+ // 3. test vector -> ENC -> DEC
+ strlcpy((char *)in, "fo", BUF_LEN);
+ in_len = strlen((char *)in);
+ strlcpy((char *)ref, "Zm8", BUF_LEN);
+ ref_len = strlen((char *)ref);
+ ret = knot_base64url_encode(in, in_len, out, BUF_LEN);
+ ok(ret == ref_len, "3. test vector - ENC output length");
+ if (ret < 0) {
+ skip("Encode err");
+ } else {
+ ok(memcmp(out, ref, ret) == 0, "3. test vector - ENC output content");
+ }
+ ret = knot_base64url_decode(out, ret, out2, BUF_LEN);
+ ok(ret == in_len, "3. test vector - DEC output length");
+ if (ret < 0) {
+ skip("Decode err");
+ } else {
+ ok(memcmp(out2, in, ret) == 0, "3. test vector - DEC output content");
+ }
+
+ // 4. test vector -> ENC -> DEC
+ strlcpy((char *)in, "foo", BUF_LEN);
+ in_len = strlen((char *)in);
+ strlcpy((char *)ref, "Zm9v", BUF_LEN);
+ ref_len = strlen((char *)ref);
+ ret = knot_base64url_encode(in, in_len, out, BUF_LEN);
+ ok(ret == ref_len, "4. test vector - ENC output length");
+ if (ret < 0) {
+ skip("Encode err");
+ } else {
+ ok(memcmp(out, ref, ret) == 0, "4. test vector - ENC output content");
+ }
+ ret = knot_base64url_decode(out, ret, out2, BUF_LEN);
+ ok(ret == in_len, "4. test vector - DEC output length");
+ if (ret < 0) {
+ skip("Decode err");
+ } else {
+ ok(memcmp(out2, in, ret) == 0, "4. test vector - DEC output content");
+ }
+
+ // 5. test vector -> ENC -> DEC
+ strlcpy((char *)in, "foob", BUF_LEN);
+ in_len = strlen((char *)in);
+ strlcpy((char *)ref, "Zm9vYg", BUF_LEN);
+ ref_len = strlen((char *)ref);
+ ret = knot_base64url_encode(in, in_len, out, BUF_LEN);
+ ok(ret == ref_len, "5. test vector - ENC output length");
+ if (ret < 0) {
+ skip("Encode err");
+ } else {
+ ok(memcmp(out, ref, ret) == 0, "5. test vector - ENC output content");
+ }
+ ret = knot_base64url_decode(out, ret, out2, BUF_LEN);
+ ok(ret == in_len, "5. test vector - DEC output length");
+ if (ret < 0) {
+ skip("Decode err");
+ } else {
+ ok(memcmp(out2, in, ret) == 0, "5. test vector - DEC output content");
+ }
+
+ // 6. test vector -> ENC -> DEC
+ strlcpy((char *)in, "fooba", BUF_LEN);
+ in_len = strlen((char *)in);
+ strlcpy((char *)ref, "Zm9vYmE", BUF_LEN);
+ ref_len = strlen((char *)ref);
+ ret = knot_base64url_encode(in, in_len, out, BUF_LEN);
+ ok(ret == ref_len, "6. test vector - ENC output length");
+ if (ret < 0) {
+ skip("Encode err");
+ } else {
+ ok(memcmp(out, ref, ret) == 0, "6. test vector - ENC output content");
+ }
+ ret = knot_base64url_decode(out, ret, out2, BUF_LEN);
+ ok(ret == in_len, "6. test vector - DEC output length");
+ if (ret < 0) {
+ skip("Decode err");
+ } else {
+ ok(memcmp(out2, in, ret) == 0, "6. test vector - DEC output content");
+ }
+
+ // 7. test vector -> ENC -> DEC
+ strlcpy((char *)in, "foobar", BUF_LEN);
+ in_len = strlen((char *)in);
+ strlcpy((char *)ref, "Zm9vYmFy", BUF_LEN);
+ ref_len = strlen((char *)ref);
+ ret = knot_base64url_encode(in, in_len, out, BUF_LEN);
+ ok(ret == ref_len, "7. test vector - ENC output length");
+ if (ret < 0) {
+ skip("Encode err");
+ } else {
+ ok(memcmp(out, ref, ret) == 0, "7. test vector - ENC output content");
+ }
+ ret = knot_base64url_decode(out, ret, out2, BUF_LEN);
+ ok(ret == in_len, "7. test vector - DEC output length");
+ if (ret < 0) {
+ skip("Decode err");
+ } else {
+ ok(memcmp(out2, in, ret) == 0, "7. test vector - DEC output content");
+ }
+
+ // 8. ENC (percent-encoded padding) -> DEC
+ strlcpy((char *)in, "Zm9vYmE%3D", BUF_LEN);
+ in_len = strlen((char *)in);
+ strlcpy((char *)ref, "fooba", BUF_LEN);
+ ref_len = strlen((char *)ref);
+
+ ret = knot_base64url_decode(in, in_len, out, BUF_LEN);
+ ok(ret == ref_len, "8. test vector - DEC output length");
+ if (ret < 0) {
+ skip("Decode err");
+ } else {
+ ok(memcmp(out, ref, ret) == 0, "8. test vector - DEC output content");
+ }
+
+ strlcpy((char *)in, "Zm9vYmFyCg%3d%3d", BUF_LEN);
+ in_len = strlen((char *)in);
+ strlcpy((char *)ref, "foobar\n", BUF_LEN);
+ ref_len = strlen((char *)ref);
+
+ ret = knot_base64url_decode(in, in_len, out, BUF_LEN);
+ ok(ret == ref_len, "9. test vector - DEC output length");
+ if (ret < 0) {
+ skip("Decode err");
+ } else {
+ ok(memcmp(out, ref, ret) == 0, "9. test vector - DEC output content");
+ }
+
+ // Bad paddings
+ ret = knot_base64url_decode((uint8_t *)"A", 1, out, BUF_LEN);
+ ok(ret == KNOT_BASE64_ECHAR, "Bad padding length 3");
+ ret = knot_base64url_decode((uint8_t *)"%3D", 3, out, BUF_LEN);
+ ok(ret == KNOT_BASE64_ECHAR, "Bad padding length 4");
+
+ // Paddings not at the end
+ ret = knot_base64url_decode((uint8_t *)"AB%3DCDEFG", 10, out, BUF_LEN);
+ ok(ret == KNOT_BASE64_ECHAR, "Bad padding 1");
+ ret = knot_base64url_decode((uint8_t *)"AB\0CDEFG", 8, out, BUF_LEN);
+ ok(ret == KNOT_BASE64_ECHAR, "Bad padding 2");
+
+ // Bad data character
+ ret = knot_base64url_decode((uint8_t *)"AAA$", 4, out, BUF_LEN);
+ ok(ret == KNOT_BASE64_ECHAR, "Bad data character dollar");
+ ret = knot_base64url_decode((uint8_t *)"AAA ", 4, out, BUF_LEN);
+ ok(ret == KNOT_BASE64_ECHAR, "Bad data character space");
+
+ return 0;
+}