Initial version of a base64 regress.

3 files changed, 382 insertions, 1 deletions

diff --git a/regress/lib/libcrypto/Makefile b/regress/lib/libcrypto/Makefile
index 327eb5b12d9..345077c20c9 100644
--- a/regress/lib/libcrypto/Makefile
+++ b/regress/lib/libcrypto/Makefile
@@ -1,7 +1,8 @@
-#	$OpenBSD: Makefile,v 1.6 2014/05/02 19:27:04 miod Exp $
+#	$OpenBSD: Makefile,v 1.7 2014/05/03 15:07:46 jsing Exp $
 
 SUBDIR= \
 	aeswrap \
+	base64 \
 	bf \
 	bn \
 	cast \
diff --git a/regress/lib/libcrypto/base64/Makefile b/regress/lib/libcrypto/base64/Makefile
new file mode 100644
index 00000000000..d16badf297a
--- /dev/null
+++ b/regress/lib/libcrypto/base64/Makefile
@@ -0,0 +1,7 @@
+#	$OpenBSD: Makefile,v 1.1 2014/05/03 15:07:46 jsing Exp $
+
+PROG=	base64test
+LDADD=	-lcrypto
+DPADD=	${LIBCRYPTO}
+
+.include <bsd.regress.mk>
diff --git a/regress/lib/libcrypto/base64/base64test.c b/regress/lib/libcrypto/base64/base64test.c
new file mode 100644
index 00000000000..2db10f6007c
--- /dev/null
+++ b/regress/lib/libcrypto/base64/base64test.c
@@ -0,0 +1,373 @@
+/*
+ * Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <openssl/bio.h>
+#include <openssl/evp.h>
+
+#include <err.h>
+#include <stdio.h>
+
+#define BUF_SIZE 128
+
+struct base64_test {
+	const unsigned char in[BUF_SIZE];
+	const size_t in_len;
+	const unsigned char out[BUF_SIZE];
+	const size_t out_len;
+	const size_t valid_len;
+};
+
+/*
+ * Many of these tests are based on those found in Go's encoding/base64 tests.
+ */
+struct base64_test base64_tests[] = {
+
+	/* RFC3548 examples. */
+	{ "\x14\xfb\x9c\x03\xd9\x7e", 6, "FPucA9l+", 8, 6, },
+	{ "\x14\xfb\x9c\x03\xd9", 5, "FPucA9k=", 8, 5, },
+	{ "\x14\xfb\x9c\x03", 4, "FPucAw==", 8, 4, },
+
+	/* RFC4648 examples. */
+	{ "", 0, "", 0, 0, },
+	{ "f", 1, "Zg==", 4, 1, },
+	{ "fo", 2, "Zm8=", 4, 2, },
+	{ "foo", 3, "Zm9v", 4, 3, },
+	{ "foob", 4, "Zm9vYg==", 8, 4, },
+	{ "fooba", 5, "Zm9vYmE=", 8, 5, },
+	{ "foobar", 6, "Zm9vYmFy", 8, 6, },
+
+	/* Wikipedia examples. */
+	{ "sure.", 5, "c3VyZS4=", 8, 5, },
+	{ "sure", 4, "c3VyZQ==", 8, 4, },
+	{ "sur", 3, "c3Vy", 4, 3, },
+	{ "su", 2, "c3U=", 4, 2, },
+	{ "leasure.", 8, "bGVhc3VyZS4=", 12, 8, },
+	{ "easure.", 7, "ZWFzdXJlLg==", 12, 7, },
+	{ "asure.", 6, "YXN1cmUu", 8, 6, },
+
+	{ "abcd", 4, "YWJjZA==", 8, 4, },
+
+	{
+		"Twas brillig, and the slithy toves",
+		34,
+		"VHdhcyBicmlsbGlnLCBhbmQgdGhlIHNsaXRoeSB0b3Zlcw==",
+		48,
+		34,
+	},
+
+#ifdef crash
+	{
+		"",
+		-1,
+		"YWJjZA======================================================"
+		"============",
+		74,
+		0,
+	},
+#endif
+};
+
+#define N_TESTS (sizeof(base64_tests) / sizeof(*base64_tests))
+
+struct base64_test base64_nl_tests[] = {
+
+	/* Corrupt/invalid encodings. */
+	{ "", -1, "", 0, 0, },
+	{ "", -1, "!!!!", 4, 0, }, /* 20 */
+	{ "", -1, "====", 4, 1, },		/* XXX - output ix 0x0. */
+	{ "", -1, "x===", 4, 1, },
+	{ "", -1, "=AAA", 4, 3, },
+	{ "", -1, "A=AA", 4, 3, },
+	{ "", -1, "AA=A", 4, 2, },
+	{ "", -1, "AA==A", 5, 0, },
+	{ "", -1, "AAA=AAAA", 8, 6, },
+	{ "", -1, "AAAAA", 5, 0, },
+	{ "", -1, "AAAAAA", 6, 0, },
+	{ "", -1, "A=", 2, 0, },
+	{ "", -1, "A==", 3, 0, },
+	{ "", -1, "AA=", 3, 0, },
+	{ "", -1, "AA==", 4, 1, },		/* XXX - output ix 0x0. */
+	{ "", -1, "AAA=", 4, 2, },		/* XXX - output ix 2x 0x0. */
+	{ "", -1, "AAAA", 4, 3, },		/* XXX - output ix 3x 0x0. */
+	{ "", -1, "AAAAAA=", 7, 0, },
+	{ "", -1, "YWJjZA=====", 11, 0, },
+
+
+	/* Encodings with embedded CR/LF. */
+	{ "sure", 4, "c3VyZQ==", 8, 4, },
+	{ "sure", 4, "c3VyZQ==\r", 9, 4, },
+	{ "sure", 4, "c3VyZQ==\n", 9, 4, },
+	{ "sure", 4, "c3VyZQ==\r\n", 10, 4, },
+	{ "sure", 4, "c3VyZ\r\nQ==", 10, 4, },
+	{ "sure", 4, "c3V\ryZ\nQ==", 10, 4, },
+	{ "sure", 4, "c3V\nyZ\rQ==", 10, 4, },
+	{ "sure", 4, "c3VyZ\nQ==", 9, 4, },
+	{ "sure", 4, "c3VyZQ\n==", 9, 4, },
+	{ "sure", 4, "c3VyZQ=\n=", 9, 4, },
+	{ "sure", 4, "c3VyZQ=\r\n\r\n=", 12, 4, },
+
+};
+
+#define N_NL_TESTS (sizeof(base64_nl_tests) / sizeof(*base64_nl_tests))
+
+struct base64_test base64_no_nl_tests[] = {
+
+	/*
+	 * In non-newline mode, the output resulting from corrupt/invalid
+	 * encodings is completely crazy. A number of zero bytes is returned
+	 * rather than nothing.
+	 */
+
+	/* Corrupt/invalid encodings. */
+	{ "", -1, "", 0, 0, },
+	{ "", -1, "!!!!", 4, 0, }, /* 20 */
+	{ "", -1, "====", 4, 1, },
+	{ "", -1, "x===", 4, 1, },
+	{ "", -1, "=AAA", 4, 3, },
+	{ "", -1, "A=AA", 4, 3, },
+	{ "", -1, "AA=A", 4, 3, },
+	{ "", -1, "AA==A", 5, 1, },
+	{ "", -1, "AAA=AAAA", 8, 6, },
+	{ "", -1, "AAAAA", 5, 3, },
+	{ "", -1, "AAAAAA", 6, 3, },
+	{ "", -1, "A=", 2, 0, },
+	{ "", -1, "A==", 3, 0, },
+	{ "", -1, "AA=", 3, 0, },
+	{ "", -1, "AA==", 4, 1, },
+	{ "", -1, "AAA=", 4, 2, },
+	{ "", -1, "AAAA", 4, 3, },
+	{ "", -1, "AAAAAA=", 7, 3, },
+	{ "", -1, "YWJjZA=====", 11, 4, },
+
+	/* Encodings with embedded CR/LF. */
+	{ "sure", 4, "c3VyZQ==", 8, 4, },
+	{ "sure", 4, "c3VyZQ==\r", 9, 4, },
+	{ "sure", 4, "c3VyZQ==\n", 9, 4, },
+	{ "sure", 4, "c3VyZQ==\r\n", 10, 4, },
+	{ "sure", -1, "c3VyZ\r\nQ==", 10, 0, },
+	{ "sure", -1, "c3V\ryZ\nQ==", 10, 0, },
+	{ "sure", -1, "c3V\nyZ\rQ==", 10, 0, },
+	{ "sure", -1, "c3VyZ\nQ==", 9, 0, },
+	{ "sure", -1, "c3VyZQ\n==", 9, 0, },
+	{ "sure", -1, "c3VyZQ=\n=", 9, 0, },
+	{ "sure", -1, "c3VyZQ=\r\n\r\n=", 12, 0, },
+
+};
+
+#define N_NO_NL_TESTS (sizeof(base64_no_nl_tests) / sizeof(*base64_no_nl_tests))
+
+int
+base64_encoding_test(int test_no, struct base64_test *bt, int test_nl)
+{
+	BIO *bio_b64, *bio_mem;
+	unsigned char *buf, *out;
+	int i, len, b64len;
+	int failure = 0;
+
+	buf = malloc(BUF_SIZE);
+	if (buf == NULL)
+		errx(1, "malloc");
+
+	bio_b64 = BIO_new(BIO_f_base64());
+	if (bio_b64 == NULL)
+		errx(1, "BIO_new failed for BIO_f_base64");
+
+	bio_mem = BIO_new(BIO_s_mem());
+	if (bio_mem == NULL)
+		errx(1, "BIO_new failed for BIO_s_mem");
+
+	bio_mem = BIO_push(bio_b64, bio_mem);
+
+	if (!test_nl)
+		BIO_set_flags(bio_b64, BIO_FLAGS_BASE64_NO_NL);
+
+	len = BIO_write(bio_mem, bt->in, bt->in_len);
+	if (len != bt->in_len) {
+		fprintf(stderr, "FAIL: test %i - only wrote %i out of %i "
+		    "characters\n", test_no, len, bt->in_len);
+		failure = 1;
+		goto done;
+	}
+	if (BIO_flush(bio_mem) < 0) {
+		fprintf(stderr, "FAIL: test %i - flush failed\n", test_no);
+		failure = 1;
+		goto done;
+	}
+
+	b64len = 0;
+	for (i = 0; i < bt->out_len; i++) {
+		if (bt->out[i] == '\r' || bt->out[i] == '\n')
+			continue;
+		buf[b64len++] = bt->out[i];
+	}
+	if (test_nl)
+		buf[b64len++] = '\n';
+
+	len = BIO_get_mem_data(bio_mem, &out);
+
+	/* An empty string with NL results in no output, rather than '\n'. */
+	if (test_nl && b64len == 1 && len == 0)
+		goto done;
+
+	if (len != b64len) {
+		fprintf(stderr, "FAIL: test %i - encoding resulted in %i "
+		    "characters instead of %i\n", test_no, len, b64len);
+		failure = 1;
+		goto done;
+	}
+
+	if (memcmp(buf, out, b64len) != 0) {
+		fprintf(stderr, "FAIL: test %i - encoding differs:\n", test_no);
+		fprintf(stderr, "  encoding: ");
+		for (i = 0; i < len; i++)
+			fprintf(stderr, "%c", out[i]);
+		fprintf(stderr, "\n");
+		fprintf(stderr, " test data: ");
+		for (i = 0; i < bt->out_len; i++)
+			fprintf(stderr, "%c", buf[i]);
+		fprintf(stderr, "\n");
+		failure = 1;
+	}
+
+done:
+	BIO_free_all(bio_mem);
+	free(buf);
+
+	return failure;
+}
+
+int
+base64_decoding_test(int test_no, struct base64_test *bt, int test_nl)
+{
+	BIO *bio_b64, *bio_mem;
+	char *buf, *input;
+	int failure = 0;
+	int i, inlen, len;
+
+	buf = malloc(BUF_SIZE);
+	if (buf == NULL)
+		errx(1, "malloc");
+
+	input = (char *)bt->out;
+	inlen = bt->out_len;
+
+	if (test_nl)
+		inlen = asprintf(&input, "%s\r\n", bt->out);
+
+	bio_mem = BIO_new_mem_buf(input, inlen);
+	if (bio_mem == NULL)
+		errx(1, "BIO_new_mem_buf failed");
+
+	bio_b64 = BIO_new(BIO_f_base64());
+	if (bio_b64 == NULL)
+		errx(1, "BIO_new failed for BIO_f_base64");
+
+	if (!test_nl)
+		BIO_set_flags(bio_b64, BIO_FLAGS_BASE64_NO_NL);
+
+	bio_mem = BIO_push(bio_b64, bio_mem);
+
+	/*
+	 * If we wrote zero characters then a BIO_read will result in a return
+	 * value of -1, hence we need to handle this case.
+	 */
+	len = BIO_read(bio_mem, buf, BUF_SIZE);
+	if (len != bt->valid_len && (bt->in_len != 0 || len != -1)) {
+		fprintf(stderr, "FAIL: test %i - decoding resulted in %i "
+		    "characters instead of %i\n", test_no, len, bt->valid_len);
+		fprintf(stderr, "  input: ");
+		for (i = 0; i < inlen; i++)
+			fprintf(stderr, "%c", input[i]);
+		fprintf(stderr, "\n");
+		fprintf(stderr, "  decoding: ");
+		for (i = 0; i < len; i++)
+			fprintf(stderr, "0x%x ", buf[i]);
+		fprintf(stderr, "\n");
+		failure = 1;
+		goto done;
+	}
+
+	/* See if we expect this to fail decoding. */
+	if (bt->in_len == -1)
+		goto done;
+
+	if (memcmp(bt->in, buf, bt->in_len) != 0) {
+		fprintf(stderr, "FAIL: test %i - decoding differs:\n", test_no);
+		fprintf(stderr, "  decoding: ");
+		for (i = 0; i < len; i++)
+			fprintf(stderr, "0x%x ", buf[i]);
+		fprintf(stderr, "\n");
+		fprintf(stderr, " test data: ");
+		for (i = 0; i < inlen; i++)
+			fprintf(stderr, "0x%x ", input[i]);
+		fprintf(stderr, "\n");
+		failure = 1;
+	}
+
+done:
+	BIO_free_all(bio_mem);
+	free(buf);
+	if (test_nl)
+		free(input);
+
+	return failure;
+}
+
+int
+main(int argc, char **argv)
+{
+	struct base64_test *bt;
+	int failed = 0;
+	int i;
+
+	fprintf(stderr, "Starting combined tests...\n");
+
+	for (i = 0; i < N_TESTS; i++) {
+		bt = &base64_tests[i];
+		if (bt->in_len != -1)
+			failed += base64_encoding_test(i, bt, 0);
+		if (bt->out_len != -1)
+			failed += base64_decoding_test(i, bt, 0);
+		if (bt->in_len != -1)
+			failed += base64_encoding_test(i, bt, 1);
+		if (bt->out_len != -1)
+			failed += base64_decoding_test(i, bt, 1);
+	}
+
+	fprintf(stderr, "Starting NL tests...\n");
+
+	for (i = 0; i < N_NL_TESTS; i++) {
+		bt = &base64_nl_tests[i];
+
+		if (bt->in_len != -1)
+			failed += base64_encoding_test(i, bt, 1);
+		if (bt->out_len != -1)
+			failed += base64_decoding_test(i, bt, 1);
+	}
+
+	fprintf(stderr, "Starting NO NL tests...\n");
+
+	for (i = 0; i < N_NO_NL_TESTS; i++) {
+		bt = &base64_no_nl_tests[i];
+
+		if (bt->in_len != -1)
+			failed += base64_encoding_test(i, bt, 0);
+		if (bt->out_len != -1)
+			failed += base64_decoding_test(i, bt, 0);
+	}
+
+	return failed;
+}