Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

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

1 files changed, 207 insertions, 0 deletions

diff --git a/librpc/tests/test_ndr_string.c b/librpc/tests/test_ndr_string.c
new file mode 100644
index 0000000..24ec93b
--- /dev/null
+++ b/librpc/tests/test_ndr_string.c
@@ -0,0 +1,207 @@
+/*
+ * Tests for librpc ndr_string.c
+ *
+ * Copyright (C) Catalyst.NET Ltd 2019
+ *
+ * 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/>.
+ *
+ */
+
+/*
+ * from cmocka.c:
+ * These headers or their equivalents should be included prior to
+ * including
+ * this header file.
+ *
+ * #include <stdarg.h>
+ * #include <stddef.h>
+ * #include <setjmp.h>
+ *
+ * This allows test applications to use custom definitions of C standard
+ * library functions and types.
+ *
+ */
+#include "replace.h"
+#include <setjmp.h>
+#include <cmocka.h>
+
+#include "librpc/ndr/ndr_string.c"
+
+/*
+ * Try and pull a null terminated string from a zero length buffer
+ * Should fail for both 1 byte, and 2 byte character strings.
+ */
+static void test_pull_string_zero_len_nul_term(void **state)
+{
+	struct ndr_pull ndr = {0};
+	enum ndr_err_code err;
+	int flags = NDR_SCALARS;
+	uint8_t data[] = {0x0, 0x0};
+	const char *s = NULL;
+
+	ndr.flags = LIBNDR_FLAG_STR_UTF8 | LIBNDR_FLAG_STR_NULLTERM;
+	ndr.data = data;
+	ndr.data_size = 0;
+	err = ndr_pull_string(&ndr, flags, &s);
+	assert_int_equal(err, NDR_ERR_BUFSIZE);
+	assert_null(s);
+	assert_int_equal(0, ndr.offset);
+
+	ndr.flags = LIBNDR_FLAG_STR_NULLTERM;
+	ndr.offset = 0;
+	err = ndr_pull_string(&ndr, flags, &s);
+	assert_int_equal(err, NDR_ERR_BUFSIZE);
+	assert_null(s);
+	assert_int_equal(0, ndr.offset);
+
+}
+
+/*
+ * Try and pull a null terminated string from a 1 byte buffer
+ * Should succeed for 1 byte character and
+ *        fail    for 2 byte character strings.
+ */
+static void test_pull_string_len_1_nul_term(void **state)
+{
+	struct ndr_pull ndr = {0};
+	enum ndr_err_code err;
+	int flags = NDR_SCALARS;
+	const char *s = NULL;
+	uint8_t data[] = {0x0, 0x0};
+
+	ndr.flags = LIBNDR_FLAG_STR_UTF8 | LIBNDR_FLAG_STR_NULLTERM;
+	ndr.data = data;
+	ndr.data_size = 1;
+	err = ndr_pull_string(&ndr, flags, &s);
+	assert_int_equal(err, NDR_ERR_SUCCESS);
+	assert_non_null(s);
+	assert_int_equal(1, ndr.offset);
+
+	ndr.offset = 0;
+	ndr.flags = LIBNDR_FLAG_STR_NULLTERM;
+	err = ndr_pull_string(&ndr, flags, &s);
+	assert_int_equal(err, NDR_ERR_BUFSIZE);
+	assert_int_equal(0, ndr.offset);
+}
+
+/*
+ * Try and pull a null terminated string from a 2 byte buffer
+ * Should succeed for both 1 byte, and 2 byte character strings.
+ */
+static void test_pull_string_len_2_nul_term(void **state)
+{
+	struct ndr_pull ndr = {0};
+	enum ndr_err_code err;
+	int flags = NDR_SCALARS;
+	const char *s;
+	uint8_t data[] = {0x0, 0x0};
+
+	ndr.flags = LIBNDR_FLAG_STR_UTF8 | LIBNDR_FLAG_STR_NULLTERM;
+	ndr.data = data;
+	ndr.data_size = 2;
+	err = ndr_pull_string(&ndr, flags, &s);
+	assert_int_equal(err, NDR_ERR_SUCCESS);
+	assert_non_null(s);
+	assert_int_equal(1, ndr.offset);
+
+	ndr.offset = 0;
+	ndr.flags = LIBNDR_FLAG_STR_NULLTERM;
+	err = ndr_pull_string(&ndr, flags, &s);
+	assert_int_equal(err, NDR_ERR_SUCCESS);
+	assert_non_null(s);
+	assert_int_equal(2, ndr.offset);
+
+
+}
+
+static void test_ndr_string_n_length(void **state)
+{
+	char test_str1[5] = "Test";
+	char test_str2[5] = {0};
+	char test_str3[32] = "This is a test too";
+	uint8_t test_str_u16[64] = {
+		0x5C, 0x00, 0x5C, 0x00, 0x4C, 0x00, 0x6F, 0x00,
+		0x67, 0x00, 0x6F, 0x00, 0x6E, 0x00, 0x2D, 0x00,
+		0x6D, 0x00, 0x75, 0x00, 0x63, 0x00, 0x5C, 0x00,
+		0x6B, 0x00, 0x79, 0x00, 0x6F, 0x00, 0x63, 0x00,
+		0x65, 0x00, 0x72, 0x00, 0x61, 0x00, 0x2D, 0x00,
+		0x6D, 0x00, 0x75, 0x00, 0x63, 0x00, 0x2D, 0x00,
+		0x6E, 0x00, 0x00, 0x00 };
+	size_t len;
+
+	len = ndr_string_n_length(test_str1, sizeof(test_str1), 1);
+	assert_int_equal(len, 5);
+
+	len = ndr_string_n_length(test_str1, sizeof(test_str1) - 1, 1);
+	assert_int_equal(len, 4);
+
+	len = ndr_string_n_length(test_str2, sizeof(test_str2), 1);
+	assert_int_equal(len, 1);
+
+	len = ndr_string_n_length(test_str3, sizeof(test_str3), 1);
+	assert_int_equal(len, 19);
+
+	len = ndr_string_n_length(test_str3, 0, 1);
+	assert_int_equal(len, 0);
+
+	len = ndr_string_n_length(test_str_u16, 32, 2);
+	assert_int_equal(len, 26);
+}
+
+static void test_pull_string_array(void **state)
+{
+	/* We try pulling long string arrays without long strings */
+	const char **r = NULL;
+	struct ndr_pull ndr = {0};
+	enum ndr_err_code err;
+	TALLOC_CTX *mem_ctx = talloc_new(NULL);
+	size_t len = 1 * 1024 * 1024;
+	uint8_t *data = talloc_array(mem_ctx, uint8_t, len);
+	size_t i;
+
+	for (i = 0; i < len; i++) {
+		data[i] = (i & 1) ? '\0' : 'X';
+	}
+
+	ndr.current_mem_ctx = mem_ctx;
+
+	ndr.flags = (LIBNDR_FLAG_REF_ALLOC |
+		     LIBNDR_FLAG_REMAINING |
+		     LIBNDR_FLAG_STR_NULLTERM |
+		     LIBNDR_FLAG_STR_RAW8);
+	ndr.data = data;
+	ndr.data_size = len;
+
+	err = ndr_pull_string_array(&ndr, NDR_SCALARS, &r);
+	assert_int_equal(err, NDR_ERR_SUCCESS);
+	assert_string_equal(r[0], "X");
+	assert_string_equal(r[len / 3], "X");
+	assert_string_equal(r[len / 2 - 1], "X");
+	assert_ptr_equal(r[len / 2], NULL);
+	TALLOC_FREE(mem_ctx);
+}
+
+int main(int argc, const char **argv)
+{
+	const struct CMUnitTest tests[] = {
+		cmocka_unit_test(test_pull_string_zero_len_nul_term),
+		cmocka_unit_test(test_pull_string_len_1_nul_term),
+		cmocka_unit_test(test_pull_string_len_2_nul_term),
+		cmocka_unit_test(test_ndr_string_n_length),
+		cmocka_unit_test(test_pull_string_array)
+	};
+
+	cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
+	return cmocka_run_group_tests(tests, NULL, NULL);
+}