unit-tests: 12 asn1 functions tested

src/libstrongswan/tests/Makefile.am

@@ -7,7 +7,8 @@ test_runner_SOURCES = \
   test_linked_list.c test_enumerator.c test_linked_list_enumerator.c \
   test_bio_reader.c test_bio_writer.c test_chunk.c test_enum.c test_hashtable.c \
   test_identification.c test_threading.c test_utils.c test_vectors.c \
-  test_array.c test_ecdsa.c test_rsa.c test_host.c test_printf.c test_pen.c
+  test_array.c test_ecdsa.c test_rsa.c test_host.c test_printf.c test_pen.c \
+  test_asn1.c
 
 test_runner_CFLAGS = \
   -I$(top_srcdir)/src/libstrongswan \

src/libstrongswan/tests/test_asn1.c

@@ -0,0 +1,538 @@
+/*
+ * Copyright (C) 2013 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * 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 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+
+#include "test_suite.h"
+
+#include <asn1/asn1.h>
+#include <asn1/oid.h>
+#include <utils/chunk.h>
+
+/*******************************************************************************
+ * algorithm_identifier
+ */
+
+START_TEST(test_asn1_algorithmIdentifier)
+{
+	typedef struct {
+		int n;
+		chunk_t algid;
+	} testdata_t;
+
+	testdata_t test[] = {
+		{ OID_ECDSA_WITH_SHA1, chunk_from_chars(0x30, 0x09, 0x06, 0x07,
+			0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x01) },
+		{ OID_SHA1_WITH_RSA,   chunk_from_chars(0x30, 0x0d, 0x06, 0x09,
+			0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00) },
+	};
+
+	chunk_t algid;
+	int i;
+
+	for (i = 0; i < countof(test); i++)
+	{
+		algid = asn1_algorithmIdentifier(test[i].n);
+		ck_assert(chunk_equals(algid, test[i].algid));
+	}
+}
+END_TEST
+
+/*******************************************************************************
+ * known_oid
+ */
+
+START_TEST(test_asn1_known_oid)
+{
+	typedef struct {
+		int n;
+		chunk_t oid;
+	} testdata_t;
+
+	testdata_t test[] = {
+		{ OID_UNKNOWN,    chunk_empty },
+		{ OID_UNKNOWN,    chunk_from_chars(0x55, 0x04, 0x02) },
+		{ OID_COUNTRY,    chunk_from_chars(0x55, 0x04, 0x06) },
+		{ OID_STRONGSWAN, chunk_from_chars(0x2b, 0x06, 0x01, 0x04, 0x01,
+										   0x82, 0xa0, 0x2a, 0x01) }
+	};
+
+	int i;
+
+	for (i = 0; i < countof(test); i++)
+	{
+		ck_assert(asn1_known_oid(test[i].oid) == test[i].n);
+	}
+}
+END_TEST
+
+/*******************************************************************************
+ * build_known_oid
+ */
+
+START_TEST(test_asn1_build_known_oid)
+{
+	typedef struct {
+		int n;
+		chunk_t oid;
+	} testdata_t;
+
+	testdata_t test[] = {
+		{ OID_UNKNOWN,    chunk_empty },
+		{ OID_MAX,        chunk_empty },
+		{ OID_COUNTRY,    chunk_from_chars(0x06, 0x03, 0x55, 0x04, 0x06) },
+		{ OID_STRONGSWAN, chunk_from_chars(0x06, 0x09, 0x2b, 0x06, 0x01, 0x04,
+										   0x01, 0x82, 0xa0, 0x2a, 0x01) }
+	};
+
+	int i;
+	chunk_t oid = chunk_empty;
+
+	for (i = 0; i < countof(test); i++)
+	{
+		oid = asn1_build_known_oid(test[i].n);
+		if (test[i].oid.len == 0)
+		{
+			ck_assert(oid.len == 0 && oid.ptr == NULL);
+		}
+		else
+		{
+			ck_assert(chunk_equals(oid, test[i].oid));
+			chunk_free(&oid);
+		}
+	}
+}
+END_TEST
+
+/*******************************************************************************
+ * oid_from_string
+ */
+
+START_TEST(test_asn1_oid_from_string)
+{
+	typedef struct {
+		char *string;
+		chunk_t oid;
+	} testdata_t;
+
+	testdata_t test[] = {
+		{ "",  chunk_empty },
+		{ " ", chunk_empty },
+		{ "0.2.262.1", chunk_from_chars(
+			0x02, 0x82, 0x06, 0x01) },
+		{ "1.2.840.10045.4.1", chunk_from_chars(
+			0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x01) },
+		{ "1.3.6.1.4.1.36906.1", chunk_from_chars(
+			0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0xa0, 0x2a, 0x01) },
+		{ "2.16.840.1.101.3.4.2.1", chunk_from_chars(
+			0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01) },
+		{ "0.1.2.3.4.5.6.7.8.9.10.128.129.130.131.132.133.134.135.136.137."
+		  "256.257.258.259.260.261.262.263.264.265.384.385.386.387.388."
+		  "2097153", chunk_from_chars(
+			0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
+			0x81, 0x00, 0x81, 0x01, 0x81, 0x02, 0x81, 0x03, 0x81, 0x04,
+			0x81, 0x05, 0x81, 0x06, 0x81, 0x07, 0x81, 0x08, 0x81, 0x09,
+			0x82, 0x00, 0x82, 0x01, 0x82, 0x02, 0x82, 0x03, 0x82, 0x04,
+			0x82, 0x05, 0x82, 0x06, 0x82, 0x07, 0x82, 0x08, 0x82, 0x09,
+			0x83, 0x00, 0x83, 0x01, 0x83, 0x02, 0x83, 0x03, 0x83, 0x04,
+			0x81, 0x80, 0x80, 0x01) },
+		{ "0.10.100.1000.10000.100000.1000000.10000000.100000000.268435455",
+			chunk_from_chars(0x0a,0x64, 0x87, 0x68, 0xce, 0x10, 0x86, 0x8d,
+			0x20, 0xbd, 0x84, 0x40, 0x84, 0xe2, 0xad, 0x00,
+			0xaf, 0xd7, 0xc2, 0x00, 0xff, 0xff, 0xff, 0x7f) },
+		{ "0.1.2.3.4.5.6.7.8.9.10.128.129.130.131.132.133.134.135.136.137."
+		  "256.257.258.259.260.261.262.263.264.265.384.385.386.387.388."
+		  "1.2097153", chunk_empty },
+		{ "1.a.2.b.3", chunk_empty }
+	};
+
+	int i;
+	chunk_t oid = chunk_empty;
+
+	for (i = 0; i < countof(test); i++)
+	{
+		oid = asn1_oid_from_string(test[i].string);
+		if (test[i].oid.len == 0)
+		{
+			ck_assert(oid.len == 0 && oid.ptr == NULL);
+		}
+		else
+		{
+			ck_assert(chunk_equals(oid, test[i].oid));
+			chunk_free(&oid);
+		}
+	}
+}
+END_TEST
+
+/*******************************************************************************
+ * oid_to_string
+ */
+
+START_TEST(test_asn1_oid_to_string)
+{
+	typedef struct {
+		char *string;
+		chunk_t oid;
+	} testdata_t;
+
+	testdata_t test[] = {
+		{  NULL,  chunk_empty },
+		{ "0.2.262.1", chunk_from_chars(
+			0x02, 0x82, 0x06, 0x01) },
+		{ "1.2.840.10045.4.1", chunk_from_chars(
+			0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x01) },
+		{ "1.3.6.1.4.1.36906.1", chunk_from_chars(
+			0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0xa0, 0x2a, 0x01) },
+		{ "2.16.840.1.101.3.4.2.1", chunk_from_chars(
+			0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01) },
+		{ "0.10.100.1000.10000.100000.1000000.10000000.100000000.268435455",
+			chunk_from_chars( 0x0a, 0x64, 0x87, 0x68, 0xce, 0x10, 0x86, 0x8d,
+			0x20, 0xbd, 0x84, 0x40, 0x84, 0xe2, 0xad, 0x00,
+			0xaf, 0xd7, 0xc2, 0x00, 0xff, 0xff, 0xff, 0x7f) },
+		{ NULL, chunk_from_chars(
+			0x0a, 0x02, 0x64, 0x87, 0x68, 0xce, 0x10, 0x86, 0x8d, 0x20,
+			0xbd, 0x84, 0x40, 0x84, 0xe2, 0xad, 0x00, 0xaf, 0xd7, 0xc2, 0x00,
+		    0xff, 0xff, 0xff, 0x7f) }
+	};
+
+	int i;
+	char *string = NULL;
+
+	for (i = 0; i < countof(test); i++)
+	{
+		string = asn1_oid_to_string(test[i].oid);
+		if (test[i].string == NULL)
+		{
+			ck_assert(string == NULL);
+		}
+		else
+		{
+			ck_assert(streq(string, test[i].string));
+			free(string);
+		}
+	}
+}
+END_TEST
+
+/*******************************************************************************
+ * length
+ */
+
+START_TEST(test_asn1_length)
+{
+	chunk_t a;
+
+	a = chunk_empty;
+	ck_assert(asn1_length(&a) == ASN1_INVALID_LENGTH);
+
+	a = chunk_from_chars(0x04);
+	ck_assert(asn1_length(&a) == ASN1_INVALID_LENGTH);
+
+	a = chunk_from_chars(0x04, 0x00);
+	ck_assert(asn1_length(&a) == 0);
+
+	a = chunk_from_chars(0x04, 0x01);
+	ck_assert(asn1_length(&a) == ASN1_INVALID_LENGTH);
+
+	a = chunk_from_chars(0x04, 0x01, 0xaa);
+	ck_assert(asn1_length(&a) == 1);
+
+	a = chunk_from_chars(0x04, 0x7f, 0xaa);
+	a.len = 2 + 127;
+	ck_assert(asn1_length(&a) == 127);
+
+	a = chunk_from_chars(0x04, 0x80, 0xaa);
+	a.len = 2 + 128;
+	ck_assert(asn1_length(&a) == ASN1_INVALID_LENGTH);
+
+	a = chunk_from_chars(0x04, 0x81);
+	ck_assert(asn1_length(&a) == ASN1_INVALID_LENGTH);
+
+	a = chunk_from_chars(0x04, 0x81, 0x80, 0xaa);
+	ck_assert(asn1_length(&a) == ASN1_INVALID_LENGTH);
+
+	a = chunk_from_chars(0x04, 0x81, 0x80, 0xaa);
+	a.len = 3 + 128;
+	ck_assert(asn1_length(&a) == 128);
+
+	a = chunk_from_chars(0x04, 0x82, 0x01, 0x02, 0xaa);
+	a.len = 4 + 258;
+	ck_assert(asn1_length(&a) == 258);
+
+	a = chunk_from_chars(0x04, 0x83, 0x01, 0x02, 0x03, 0xaa);
+	a.len = 5 + 66051;
+	ck_assert(asn1_length(&a) == 66051);
+}
+END_TEST
+
+/*******************************************************************************
+ * is_asn1
+ */
+
+START_TEST(test_is_asn1)
+{
+	typedef struct {
+		bool asn1;
+		chunk_t chunk;
+	} testdata_t;
+
+	u_char buf[8];
+	chunk_t chunk_zero = { buf, 0 };
+
+	testdata_t test[] = {
+		{ FALSE, chunk_zero },
+		{ FALSE, chunk_empty },
+		{ TRUE,  chunk_from_chars(0x30, 0x00) },
+		{ TRUE,  chunk_from_chars(0x31, 0x00) },
+		{ TRUE,  chunk_from_chars(0x04, 0x00) },
+		{ FALSE, chunk_from_chars(0x02, 0x00) },
+		{ FALSE, chunk_from_chars(0x30, 0x01) },
+		{ FALSE, chunk_from_chars(0x30, 0x80) },
+		{ TRUE,  chunk_from_chars(0x30, 0x01, 0xa1) },
+		{ FALSE, chunk_from_chars(0x30, 0x01, 0xa1, 0xa2) },
+		{ TRUE,  chunk_from_chars(0x30, 0x01, 0xa1, 0x0a) },
+	};
+
+	int i;
+
+	for (i = 0; i < countof(test); i++)
+	{
+		ck_assert(is_asn1(test[i].chunk) == test[i].asn1);
+	}
+}
+END_TEST
+
+/*******************************************************************************
+ * is_printablestring
+ */
+
+START_TEST(test_asn1_is_printablestring)
+{
+	typedef struct {
+		bool printable;
+		char *string;
+	} testdata_t;
+
+
+	testdata_t test[] = {
+		{ TRUE,  "" },
+		{ TRUE,  "Z" },
+		{ FALSE, "Z#" },
+		{ FALSE, "&Z" },
+		{ FALSE, "Z@z" },
+		{ FALSE, "!" },  { FALSE, "*" },  { FALSE, "$" },  { FALSE, "%" },
+		{ FALSE, "[" },  { FALSE, "]" },  { FALSE, "{" },  { FALSE, "}" },
+		{ FALSE, "|" },  { FALSE, "~" },  { FALSE, "^" },  { FALSE, "_" },
+		{ FALSE, "\"" }, { FALSE, "\\" }, { FALSE, "ä" },  { FALSE, "à" },
+		{ TRUE,  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+				 "0123456789 '()+,-./:=?" },
+	};
+
+	chunk_t chunk;
+	int i;
+
+	ck_assert(asn1_is_printablestring(chunk_empty));
+
+	for (i = 0; i < countof(test); i++)
+	{
+		chunk = chunk_from_str(test[i].string);
+		ck_assert(asn1_is_printablestring(chunk) == test[i].printable);
+	}
+}
+END_TEST
+
+
+/*******************************************************************************
+ * build_object
+ */
+
+START_TEST(test_asn1_build_object)
+{
+	typedef struct {
+		size_t len;
+		size_t size;
+		u_char *b;
+	} testdata_t;
+
+	u_char b0[] = { 0x05, 0x00 };
+	u_char b1[] = { 0x04, 0x7f };
+	u_char b2[] = { 0x04, 0x81, 0x80 };
+	u_char b3[] = { 0x04, 0x81, 0xff };
+	u_char b4[] = { 0x04, 0x82, 0x01, 0x00 };
+	u_char b5[] = { 0x04, 0x82, 0xff, 0xff };
+	u_char b6[] = { 0x04, 0x83, 0x01, 0x00, 0x00 };
+
+	testdata_t test[] = {
+		{     0, sizeof(b0), b0 },
+		{   127, sizeof(b1), b1 },
+		{   128, sizeof(b2), b2 },
+ 		{   255, sizeof(b3), b3 },
+		{   256, sizeof(b4), b4 },
+		{ 65535, sizeof(b5), b5 },
+		{ 65536, sizeof(b6), b6 }
+	};
+
+	chunk_t a = chunk_empty;
+	u_char *pos;
+	int i;
+
+	for (i = 0; i < countof(test); i++)
+	{
+		pos = asn1_build_object(&a, test[i].b[0], test[i].len);
+		ck_assert(pos == (a.ptr + test[i].size));
+		ck_assert(a.len == test[i].size + test[i].len);
+		ck_assert(memeq(a.ptr, test[i].b, test[i].size)); 
+		chunk_free(&a);
+	}
+}
+END_TEST
+
+/*******************************************************************************
+ * simple_object
+ */
+
+START_TEST(test_asn1_simple_object)
+{
+	chunk_t a = chunk_empty;
+	chunk_t b = chunk_from_chars(0x04, 0x05, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5);
+	chunk_t c = chunk_from_chars(0xa1, 0xa2, 0xa3, 0xa4, 0xa5);
+
+	a = asn1_simple_object(0x04, c);
+	ck_assert(chunk_equals(a, b));
+	chunk_free(&a);
+}
+END_TEST
+
+/*******************************************************************************
+ * bitstring
+ */
+
+START_TEST(test_asn1_bitstring)
+{
+	chunk_t a = chunk_empty;
+	chunk_t b = chunk_from_chars(0x03, 0x05, 0x00, 0xa1, 0xa2, 0xa3, 0xa4);
+	chunk_t c = chunk_from_chars(0xa1, 0xa2, 0xa3, 0xa4);
+	chunk_t d = chunk_clone(c);
+
+	a = asn1_bitstring("c", c);
+	ck_assert(chunk_equals(a, b));
+	chunk_free(&a);
+
+	a = asn1_bitstring("m", d);
+	ck_assert(chunk_equals(a, b));
+	chunk_free(&a);
+}
+END_TEST
+
+/*******************************************************************************
+ * integer
+ */
+
+START_TEST(test_asn1_integer)
+{
+	typedef struct {
+		chunk_t b;
+		chunk_t c;
+	} testdata_t;
+
+	chunk_t b0 = chunk_from_chars(0x02, 0x01, 0x00);
+	chunk_t b1 = chunk_from_chars(0x02, 0x01, 0x7f);
+	chunk_t b2 = chunk_from_chars(0x02, 0x02, 0x00, 0x80);
+
+	chunk_t c0 = chunk_empty;
+	chunk_t c1 = chunk_from_chars(0x7f);
+	chunk_t c2 = chunk_from_chars(0x80);
+	chunk_t c3 = chunk_from_chars(0x00, 0x80);
+
+	testdata_t test[] = {
+		{ b0, c0 },
+		{ b1, c1 },
+		{ b2, c2 },
+		{ b2, c3 }
+	};
+
+	chunk_t a = chunk_empty;
+	int i;
+
+	for (i = 0; i < countof(test); i++)
+	{
+		a = asn1_integer("c", test[i].c);
+		ck_assert(chunk_equals(a, test[i].b));
+		chunk_free(&a);
+
+		a = asn1_integer("m", chunk_clone(test[i].c));
+		ck_assert(chunk_equals(a, test[i].b));
+		chunk_free(&a);
+	}
+}
+END_TEST
+
+Suite *asn1_suite_create()
+{
+	Suite *s;
+	TCase *tc;
+
+	s = suite_create("asn1");
+
+	tc = tcase_create("algorithmIdentifier");
+	tcase_add_test(tc, test_asn1_algorithmIdentifier);
+	suite_add_tcase(s, tc);
+
+	tc = tcase_create("known_oid");
+	tcase_add_test(tc, test_asn1_known_oid);
+	suite_add_tcase(s, tc);
+
+	tc = tcase_create("build_known_oid");
+	tcase_add_test(tc, test_asn1_build_known_oid);
+	suite_add_tcase(s, tc);
+
+	tc = tcase_create("oid_from_string");
+	tcase_add_test(tc, test_asn1_oid_from_string);
+	suite_add_tcase(s, tc);
+
+	tc = tcase_create("oid_to_string");
+	tcase_add_test(tc, test_asn1_oid_to_string);
+	suite_add_tcase(s, tc);
+
+	tc = tcase_create("length");
+	tcase_add_test(tc, test_asn1_length);
+	suite_add_tcase(s, tc);
+
+	tc = tcase_create("is_asn1");
+	tcase_add_test(tc, test_is_asn1);
+	suite_add_tcase(s, tc);
+
+	tc = tcase_create("is_printablestring");
+	tcase_add_test(tc, test_asn1_is_printablestring);
+	suite_add_tcase(s, tc);
+
+	tc = tcase_create("build_object");
+	tcase_add_test(tc, test_asn1_build_object);
+	suite_add_tcase(s, tc);
+
+	tc = tcase_create("simple_object");
+	tcase_add_test(tc, test_asn1_simple_object);
+	suite_add_tcase(s, tc);
+
+	tc = tcase_create("bitstring");
+	tcase_add_test(tc, test_asn1_bitstring);
+	suite_add_tcase(s, tc);
+
+	tc = tcase_create("integer");
+	tcase_add_test(tc, test_asn1_integer);
+	suite_add_tcase(s, tc);
+
+	return s;
+}

src/libstrongswan/tests/test_runner.c

@@ -86,6 +86,7 @@ int main()
 	srunner_add_suite(sr, vectors_suite_create());
 	srunner_add_suite(sr, printf_suite_create());
 	srunner_add_suite(sr, pen_suite_create());
+	srunner_add_suite(sr, asn1_suite_create());
 	if (lib->plugins->has_feature(lib->plugins,
 								  PLUGIN_DEPENDS(PRIVKEY_GEN, KEY_RSA)))
 	{