asn1_encode_test.c@ 106165

最後變更在這個檔案從106165是 104078,由 vboxsync 提交於 8 月前
openssl-3.1.5: Applied and adjusted our OpenSSL changes to 3.1.4. bugref:10638
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1	/*
2	* Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved.
3	*
4	* Licensed under the Apache License 2.0 (the "License"). You may not use
5	* this file except in compliance with the License. You can obtain a copy
6	* in the file LICENSE in the source distribution or at
7	* https://www.openssl.org/source/license.html
8	*/
9
10	#include <stdio.h>
11	#include <string.h>
12
13	#include <openssl/rand.h>
14	#include <openssl/asn1t.h>
15	#include "internal/numbers.h"
16	#include "testutil.h"
17
18	#ifdef __GNUC__
19	# pragma GCC diagnostic ignored "-Wunused-function"
20	# pragma GCC diagnostic ignored "-Wformat"
21	#endif
22	#ifdef __clang__
23	# pragma clang diagnostic ignored "-Wunused-function"
24	# pragma clang diagnostic ignored "-Wformat"
25	#endif
26
27	/*** Custom test data ****************************************************/
28
29	/*
30	* We conduct tests with these arrays for every type we try out.
31	* You will find the expected results together with the test structures
32	* for each type, further down.
33	*/
34
35	static unsigned char t_zero[] = {
36	0x00
37	};
38	static unsigned char t_one[] = {
39	0x01
40	};
41	static unsigned char t_one_neg[] = {
42	0xff
43	};
44	static unsigned char t_minus_256[] = {
45	0xff, 0x00
46	};
47	static unsigned char t_longundef[] = {
48	0x7f, 0xff, 0xff, 0xff
49	};
50	static unsigned char t_9bytes_1[] = {
51	0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
52	};
53	static unsigned char t_8bytes_1[] = {
54	0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
55	};
56	static unsigned char t_8bytes_2[] = {
57	0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
58	};
59	static unsigned char t_8bytes_3_pad[] = {
60	0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
61	};
62	static unsigned char t_8bytes_4_neg[] = {
63	0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
64	};
65	static unsigned char t_8bytes_5_negpad[] = {
66	0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
67	};
68
69	/* 32-bit long */
70	static unsigned char t_5bytes_1[] = {
71	0x01, 0xff, 0xff, 0xff, 0xff
72	};
73	static unsigned char t_4bytes_1[] = {
74	0x00, 0x80, 0x00, 0x00, 0x00
75	};
76	/* We make the last byte 0xfe to avoid a clash with ASN1_LONG_UNDEF */
77	static unsigned char t_4bytes_2[] = {
78	0x7f, 0xff, 0xff, 0xfe
79	};
80	static unsigned char t_4bytes_3_pad[] = {
81	0x00, 0x7f, 0xff, 0xff, 0xfe
82	};
83	static unsigned char t_4bytes_4_neg[] = {
84	0x80, 0x00, 0x00, 0x00
85	};
86	static unsigned char t_4bytes_5_negpad[] = {
87	0xff, 0x80, 0x00, 0x00, 0x00
88	};
89
90	typedef struct {
91	unsigned char *bytes1;
92	size_t nbytes1;
93	unsigned char *bytes2;
94	size_t nbytes2;
95	} TEST_CUSTOM_DATA;
96	#define CUSTOM_DATA(v) \
97	{ v, sizeof(v), t_one, sizeof(t_one) }, \
98	{ t_one, sizeof(t_one), v, sizeof(v) }
99
100	static TEST_CUSTOM_DATA test_custom_data[] = {
101	CUSTOM_DATA(t_zero),
102	CUSTOM_DATA(t_longundef),
103	CUSTOM_DATA(t_one),
104	CUSTOM_DATA(t_one_neg),
105	CUSTOM_DATA(t_minus_256),
106	CUSTOM_DATA(t_9bytes_1),
107	CUSTOM_DATA(t_8bytes_1),
108	CUSTOM_DATA(t_8bytes_2),
109	CUSTOM_DATA(t_8bytes_3_pad),
110	CUSTOM_DATA(t_8bytes_4_neg),
111	CUSTOM_DATA(t_8bytes_5_negpad),
112	CUSTOM_DATA(t_5bytes_1),
113	CUSTOM_DATA(t_4bytes_1),
114	CUSTOM_DATA(t_4bytes_2),
115	CUSTOM_DATA(t_4bytes_3_pad),
116	CUSTOM_DATA(t_4bytes_4_neg),
117	CUSTOM_DATA(t_4bytes_5_negpad),
118	};
119
120
121	/*** Type specific test data *********************************************/
122
123	/*
124	* First, a few utility things that all type specific data can use, or in some
125	* cases, MUST use.
126	*/
127
128	/*
129	* For easy creation of arrays of expected data. These macros correspond to
130	* the uses of CUSTOM_DATA above.
131	*/
132	#define CUSTOM_EXPECTED_SUCCESS(num, znum) \
133	{ 0xff, num, 1 }, \
134	{ 0xff, 1, znum }
135	#define CUSTOM_EXPECTED_FAILURE \
136	{ 0, 0, 0 }, \
137	{ 0, 0, 0 }
138
139	/*
140	* A structure to collect all test information in. There MUST be one instance
141	* of this for each test
142	*/
143	typedef int i2d_fn(void a, unsigned char *pp);
144	typedef void d2i_fn(void a, unsigned char *pp, long length);
145	typedef void ifree_fn(void *a);
146	typedef struct {
147	ASN1_ITEM_EXP *asn1_type;
148	const char *name;
149	int skip; /* 1 if this package should be skipped */
150
151	/* An array of structures to compare decoded custom data with */
152	void *encode_expectations;
153	size_t encode_expectations_size;
154	size_t encode_expectations_elem_size;
155
156	/*
157	* An array of structures that are encoded into a DER blob, which is
158	* then decoded, and result gets compared with the original.
159	*/
160	void *encdec_data;
161	size_t encdec_data_size;
162	size_t encdec_data_elem_size;
163
164	/* The i2d function to use with this type */
165	i2d_fn *i2d;
166	/* The d2i function to use with this type */
167	d2i_fn *d2i;
168	/* Function to free a decoded structure */
169	ifree_fn *ifree;
170	} TEST_PACKAGE;
171
172	/* To facilitate the creation of an encdec_data array */
173	#define ENCDEC_DATA(num, znum) \
174	{ 0xff, num, 1 }, { 0xff, 1, znum }
175	#define ENCDEC_ARRAY(max, zmax, min, zmin) \
176	ENCDEC_DATA(max,zmax), \
177	ENCDEC_DATA(min,zmin), \
178	ENCDEC_DATA(1, 1), \
179	ENCDEC_DATA(-1, -1), \
180	ENCDEC_DATA(0, ASN1_LONG_UNDEF)
181
182	#ifndef OPENSSL_NO_DEPRECATED_3_0
183	/*** LONG ****************************************************************/
184
185	typedef struct {
186	/* If decoding is expected to succeed, set this to 1, otherwise 0 */
187	ASN1_BOOLEAN success;
188	long test_long;
189	long test_zlong;
190	} ASN1_LONG_DATA;
191
192	ASN1_SEQUENCE(ASN1_LONG_DATA) = {
193	ASN1_SIMPLE(ASN1_LONG_DATA, success, ASN1_BOOLEAN),
194	ASN1_SIMPLE(ASN1_LONG_DATA, test_long, LONG),
195	ASN1_EXP_OPT(ASN1_LONG_DATA, test_zlong, ZLONG, 0)
196	} static_ASN1_SEQUENCE_END(ASN1_LONG_DATA)
197
198	IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_LONG_DATA)
199	IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_LONG_DATA)
200
201	static ASN1_LONG_DATA long_expected_32bit[] = {
202	/* The following should fail on the second because it's the default */
203	{ 0xff, 0, 1 }, { 0, 0, 0 }, /* t_zero */
204	{ 0, 0, 0 }, { 0xff, 1, 0x7fffffff }, /* t_longundef */
205	CUSTOM_EXPECTED_SUCCESS(1, 1), /* t_one */
206	CUSTOM_EXPECTED_SUCCESS(-1, -1), /* t_one_neg */
207	CUSTOM_EXPECTED_SUCCESS(-256, -256), /* t_minus_256 */
208	CUSTOM_EXPECTED_FAILURE, /* t_9bytes_1 */
209	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_1 */
210	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_2 */
211	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_3_pad */
212	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_4_neg */
213	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_5_negpad */
214	CUSTOM_EXPECTED_FAILURE, /* t_5bytes_1 */
215	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_1 (too large positive) */
216	CUSTOM_EXPECTED_SUCCESS(INT32_MAX - 1, INT32_MAX -1), /* t_4bytes_2 */
217	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_3_pad (illegal padding) */
218	CUSTOM_EXPECTED_SUCCESS(INT32_MIN, INT32_MIN), /* t_4bytes_4_neg */
219	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_5_negpad (illegal padding) */
220	};
221	static ASN1_LONG_DATA long_encdec_data_32bit[] = {
222	ENCDEC_ARRAY(LONG_MAX - 1, LONG_MAX, LONG_MIN, LONG_MIN),
223	/* Check that default numbers fail */
224	{ 0, ASN1_LONG_UNDEF, 1 }, { 0, 1, 0 }
225	};
226
227	static TEST_PACKAGE long_test_package_32bit = {
228	ASN1_ITEM_ref(ASN1_LONG_DATA), "LONG", sizeof(long) != 4,
229	long_expected_32bit,
230	sizeof(long_expected_32bit), sizeof(long_expected_32bit[0]),
231	long_encdec_data_32bit,
232	sizeof(long_encdec_data_32bit), sizeof(long_encdec_data_32bit[0]),
233	(i2d_fn )i2d_ASN1_LONG_DATA, (d2i_fn )d2i_ASN1_LONG_DATA,
234	(ifree_fn *)ASN1_LONG_DATA_free
235	};
236
237	static ASN1_LONG_DATA long_expected_64bit[] = {
238	/* The following should fail on the second because it's the default */
239	{ 0xff, 0, 1 }, { 0, 0, 0 }, /* t_zero */
240	{ 0, 0, 0 }, { 0xff, 1, 0x7fffffff }, /* t_longundef */
241	CUSTOM_EXPECTED_SUCCESS(1, 1), /* t_one */
242	CUSTOM_EXPECTED_SUCCESS(-1, -1), /* t_one_neg */
243	CUSTOM_EXPECTED_SUCCESS(-256, -256), /* t_minus_256 */
244	CUSTOM_EXPECTED_FAILURE, /* t_9bytes_1 */
245	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_1 */
246	CUSTOM_EXPECTED_SUCCESS(LONG_MAX, LONG_MAX), /* t_8bytes_2 */
247	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_3_pad (illegal padding) */
248	CUSTOM_EXPECTED_SUCCESS(LONG_MIN, LONG_MIN), /* t_8bytes_4_neg */
249	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_5_negpad (illegal padding) */
250	CUSTOM_EXPECTED_SUCCESS((long)0x1ffffffff, (long)0x1ffffffff), /* t_5bytes_1 */
251	CUSTOM_EXPECTED_SUCCESS((long)0x80000000, (long)0x80000000), /* t_4bytes_1 */
252	CUSTOM_EXPECTED_SUCCESS(INT32_MAX - 1, INT32_MAX -1), /* t_4bytes_2 */
253	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_3_pad (illegal padding) */
254	CUSTOM_EXPECTED_SUCCESS(INT32_MIN, INT32_MIN), /* t_4bytes_4_neg */
255	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_5_negpad (illegal padding) */
256	};
257	static ASN1_LONG_DATA long_encdec_data_64bit[] = {
258	ENCDEC_ARRAY(LONG_MAX, LONG_MAX, LONG_MIN, LONG_MIN),
259	/* Check that default numbers fail */
260	{ 0, ASN1_LONG_UNDEF, 1 }, { 0, 1, 0 }
261	};
262
263	static TEST_PACKAGE long_test_package_64bit = {
264	ASN1_ITEM_ref(ASN1_LONG_DATA), "LONG", sizeof(long) != 8,
265	long_expected_64bit,
266	sizeof(long_expected_64bit), sizeof(long_expected_64bit[0]),
267	long_encdec_data_64bit,
268	sizeof(long_encdec_data_64bit), sizeof(long_encdec_data_64bit[0]),
269	(i2d_fn )i2d_ASN1_LONG_DATA, (d2i_fn )d2i_ASN1_LONG_DATA,
270	(ifree_fn *)ASN1_LONG_DATA_free
271	};
272	#endif
273
274	/*** INT32 ***************************************************************/
275
276	typedef struct {
277	ASN1_BOOLEAN success;
278	int32_t test_int32;
279	int32_t test_zint32;
280	} ASN1_INT32_DATA;
281
282	ASN1_SEQUENCE(ASN1_INT32_DATA) = {
283	ASN1_SIMPLE(ASN1_INT32_DATA, success, ASN1_BOOLEAN),
284	ASN1_EMBED(ASN1_INT32_DATA, test_int32, INT32),
285	ASN1_EXP_OPT_EMBED(ASN1_INT32_DATA, test_zint32, ZINT32, 0)
286	} static_ASN1_SEQUENCE_END(ASN1_INT32_DATA)
287
288	IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_INT32_DATA)
289	IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_INT32_DATA)
290
291	static ASN1_INT32_DATA int32_expected[] = {
292	CUSTOM_EXPECTED_SUCCESS(0, 0), /* t_zero */
293	CUSTOM_EXPECTED_SUCCESS(ASN1_LONG_UNDEF, ASN1_LONG_UNDEF), /* t_zero */
294	CUSTOM_EXPECTED_SUCCESS(1, 1), /* t_one */
295	CUSTOM_EXPECTED_SUCCESS(-1, -1), /* t_one_neg */
296	CUSTOM_EXPECTED_SUCCESS(-256, -256), /* t_minus_256 */
297	CUSTOM_EXPECTED_FAILURE, /* t_9bytes_1 */
298	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_1 */
299	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_2 */
300	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_3_pad */
301	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_4_neg */
302	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_5_negpad */
303	CUSTOM_EXPECTED_FAILURE, /* t_5bytes_1 */
304	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_1 (too large positive) */
305	CUSTOM_EXPECTED_SUCCESS(INT32_MAX - 1, INT32_MAX -1), /* t_4bytes_2 */
306	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_3_pad (illegal padding) */
307	CUSTOM_EXPECTED_SUCCESS(INT32_MIN, INT32_MIN), /* t_4bytes_4_neg */
308	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_5_negpad (illegal padding) */
309	};
310	static ASN1_INT32_DATA int32_encdec_data[] = {
311	ENCDEC_ARRAY(INT32_MAX, INT32_MAX, INT32_MIN, INT32_MIN),
312	};
313
314	static TEST_PACKAGE int32_test_package = {
315	ASN1_ITEM_ref(ASN1_INT32_DATA), "INT32", 0,
316	int32_expected, sizeof(int32_expected), sizeof(int32_expected[0]),
317	int32_encdec_data, sizeof(int32_encdec_data), sizeof(int32_encdec_data[0]),
318	(i2d_fn )i2d_ASN1_INT32_DATA, (d2i_fn )d2i_ASN1_INT32_DATA,
319	(ifree_fn *)ASN1_INT32_DATA_free
320	};
321
322	/*** UINT32 **************************************************************/
323
324	typedef struct {
325	ASN1_BOOLEAN success;
326	uint32_t test_uint32;
327	uint32_t test_zuint32;
328	} ASN1_UINT32_DATA;
329
330	ASN1_SEQUENCE(ASN1_UINT32_DATA) = {
331	ASN1_SIMPLE(ASN1_UINT32_DATA, success, ASN1_BOOLEAN),
332	ASN1_EMBED(ASN1_UINT32_DATA, test_uint32, UINT32),
333	ASN1_EXP_OPT_EMBED(ASN1_UINT32_DATA, test_zuint32, ZUINT32, 0)
334	} static_ASN1_SEQUENCE_END(ASN1_UINT32_DATA)
335
336	IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_UINT32_DATA)
337	IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_UINT32_DATA)
338
339	static ASN1_UINT32_DATA uint32_expected[] = {
340	CUSTOM_EXPECTED_SUCCESS(0, 0), /* t_zero */
341	CUSTOM_EXPECTED_SUCCESS(ASN1_LONG_UNDEF, ASN1_LONG_UNDEF), /* t_zero */
342	CUSTOM_EXPECTED_SUCCESS(1, 1), /* t_one */
343	CUSTOM_EXPECTED_FAILURE, /* t_one_neg (illegal negative value) */
344	CUSTOM_EXPECTED_FAILURE, /* t_minus_256 (illegal negative value) */
345	CUSTOM_EXPECTED_FAILURE, /* t_9bytes_1 */
346	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_1 */
347	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_2 */
348	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_3_pad */
349	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_4_neg */
350	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_5_negpad */
351	CUSTOM_EXPECTED_FAILURE, /* t_5bytes_1 */
352	CUSTOM_EXPECTED_SUCCESS(0x80000000, 0x80000000), /* t_4bytes_1 */
353	CUSTOM_EXPECTED_SUCCESS(INT32_MAX - 1, INT32_MAX -1), /* t_4bytes_2 */
354	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_3_pad (illegal padding) */
355	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_4_neg (illegal negative value) */
356	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_5_negpad (illegal padding) */
357	};
358	static ASN1_UINT32_DATA uint32_encdec_data[] = {
359	ENCDEC_ARRAY(UINT32_MAX, UINT32_MAX, 0, 0),
360	};
361
362	static TEST_PACKAGE uint32_test_package = {
363	ASN1_ITEM_ref(ASN1_UINT32_DATA), "UINT32", 0,
364	uint32_expected, sizeof(uint32_expected), sizeof(uint32_expected[0]),
365	uint32_encdec_data, sizeof(uint32_encdec_data), sizeof(uint32_encdec_data[0]),
366	(i2d_fn )i2d_ASN1_UINT32_DATA, (d2i_fn )d2i_ASN1_UINT32_DATA,
367	(ifree_fn *)ASN1_UINT32_DATA_free
368	};
369
370	/*** INT64 ***************************************************************/
371
372	typedef struct {
373	ASN1_BOOLEAN success;
374	int64_t test_int64;
375	int64_t test_zint64;
376	} ASN1_INT64_DATA;
377
378	ASN1_SEQUENCE(ASN1_INT64_DATA) = {
379	ASN1_SIMPLE(ASN1_INT64_DATA, success, ASN1_BOOLEAN),
380	ASN1_EMBED(ASN1_INT64_DATA, test_int64, INT64),
381	ASN1_EXP_OPT_EMBED(ASN1_INT64_DATA, test_zint64, ZINT64, 0)
382	} static_ASN1_SEQUENCE_END(ASN1_INT64_DATA)
383
384	IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_INT64_DATA)
385	IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_INT64_DATA)
386
387	static ASN1_INT64_DATA int64_expected[] = {
388	CUSTOM_EXPECTED_SUCCESS(0, 0), /* t_zero */
389	CUSTOM_EXPECTED_SUCCESS(ASN1_LONG_UNDEF, ASN1_LONG_UNDEF), /* t_zero */
390	CUSTOM_EXPECTED_SUCCESS(1, 1), /* t_one */
391	CUSTOM_EXPECTED_SUCCESS(-1, -1), /* t_one_neg */
392	CUSTOM_EXPECTED_SUCCESS(-256, -256), /* t_minus_256 */
393	CUSTOM_EXPECTED_FAILURE, /* t_9bytes_1 */
394	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_1 (too large positive) */
395	CUSTOM_EXPECTED_SUCCESS(INT64_MAX, INT64_MAX), /* t_8bytes_2 */
396	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_3_pad (illegal padding) */
397	CUSTOM_EXPECTED_SUCCESS(INT64_MIN, INT64_MIN), /* t_8bytes_4_neg */
398	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_5_negpad (illegal padding) */
399	CUSTOM_EXPECTED_SUCCESS(0x1ffffffffULL, 0x1ffffffffULL), /* t_5bytes_1 */
400	CUSTOM_EXPECTED_SUCCESS(0x80000000, 0x80000000), /* t_4bytes_1 */
401	CUSTOM_EXPECTED_SUCCESS(INT32_MAX - 1, INT32_MAX -1), /* t_4bytes_2 */
402	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_3_pad (illegal padding) */
403	CUSTOM_EXPECTED_SUCCESS(INT32_MIN, INT32_MIN), /* t_4bytes_4_neg */
404	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_5_negpad (illegal padding) */
405	};
406	static ASN1_INT64_DATA int64_encdec_data[] = {
407	ENCDEC_ARRAY(INT64_MAX, INT64_MAX, INT64_MIN, INT64_MIN),
408	ENCDEC_ARRAY(INT32_MAX, INT32_MAX, INT32_MIN, INT32_MIN),
409	};
410
411	static TEST_PACKAGE int64_test_package = {
412	ASN1_ITEM_ref(ASN1_INT64_DATA), "INT64", 0,
413	int64_expected, sizeof(int64_expected), sizeof(int64_expected[0]),
414	int64_encdec_data, sizeof(int64_encdec_data), sizeof(int64_encdec_data[0]),
415	(i2d_fn )i2d_ASN1_INT64_DATA, (d2i_fn )d2i_ASN1_INT64_DATA,
416	(ifree_fn *)ASN1_INT64_DATA_free
417	};
418
419	/*** UINT64 **************************************************************/
420
421	typedef struct {
422	ASN1_BOOLEAN success;
423	uint64_t test_uint64;
424	uint64_t test_zuint64;
425	} ASN1_UINT64_DATA;
426
427	ASN1_SEQUENCE(ASN1_UINT64_DATA) = {
428	ASN1_SIMPLE(ASN1_UINT64_DATA, success, ASN1_BOOLEAN),
429	ASN1_EMBED(ASN1_UINT64_DATA, test_uint64, UINT64),
430	ASN1_EXP_OPT_EMBED(ASN1_UINT64_DATA, test_zuint64, ZUINT64, 0)
431	} static_ASN1_SEQUENCE_END(ASN1_UINT64_DATA)
432
433	IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_UINT64_DATA)
434	IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_UINT64_DATA)
435
436	static ASN1_UINT64_DATA uint64_expected[] = {
437	CUSTOM_EXPECTED_SUCCESS(0, 0), /* t_zero */
438	CUSTOM_EXPECTED_SUCCESS(ASN1_LONG_UNDEF, ASN1_LONG_UNDEF), /* t_zero */
439	CUSTOM_EXPECTED_SUCCESS(1, 1), /* t_one */
440	CUSTOM_EXPECTED_FAILURE, /* t_one_neg (illegal negative value) */
441	CUSTOM_EXPECTED_FAILURE, /* t_minus_256 (illegal negative value) */
442	CUSTOM_EXPECTED_FAILURE, /* t_9bytes_1 */
443	CUSTOM_EXPECTED_SUCCESS((uint64_t)INT64_MAX+1, (uint64_t)INT64_MAX+1),
444	/* t_8bytes_1 */
445	CUSTOM_EXPECTED_SUCCESS(INT64_MAX, INT64_MAX), /* t_8bytes_2 */
446	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_3_pad */
447	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_4_neg */
448	CUSTOM_EXPECTED_FAILURE, /* t_8bytes_5_negpad */
449	CUSTOM_EXPECTED_SUCCESS(0x1ffffffffULL, 0x1ffffffffULL), /* t_5bytes_1 */
450	CUSTOM_EXPECTED_SUCCESS(0x80000000, 0x80000000), /* t_4bytes_1 */
451	CUSTOM_EXPECTED_SUCCESS(INT32_MAX - 1, INT32_MAX -1), /* t_4bytes_2 */
452	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_3_pad (illegal padding) */
453	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_4_neg (illegal negative value) */
454	CUSTOM_EXPECTED_FAILURE, /* t_4bytes_5_negpad (illegal padding) */
455	};
456	static ASN1_UINT64_DATA uint64_encdec_data[] = {
457	ENCDEC_ARRAY(UINT64_MAX, UINT64_MAX, 0, 0),
458	};
459
460	static TEST_PACKAGE uint64_test_package = {
461	ASN1_ITEM_ref(ASN1_UINT64_DATA), "UINT64", 0,
462	uint64_expected, sizeof(uint64_expected), sizeof(uint64_expected[0]),
463	uint64_encdec_data, sizeof(uint64_encdec_data), sizeof(uint64_encdec_data[0]),
464	(i2d_fn )i2d_ASN1_UINT64_DATA, (d2i_fn )d2i_ASN1_UINT64_DATA,
465	(ifree_fn *)ASN1_UINT64_DATA_free
466	};
467
468	/*** General testing functions *******************************************/
469
470
471	/* Template structure to map onto any test data structure */
472	typedef struct {
473	ASN1_BOOLEAN success;
474	unsigned char bytes[1]; /* In reality, there's more */
475	} EXPECTED;
476
477	/*
478	* do_decode returns a tristate:
479	*
480	* -1 Couldn't decode
481	* 0 decoded structure wasn't what was expected (failure)
482	* 1 decoded structure was what was expected (success)
483	*/
484	static int do_decode(unsigned char *bytes, long nbytes,
485	const EXPECTED *expected, size_t expected_size,
486	const TEST_PACKAGE *package)
487	{
488	EXPECTED *enctst = NULL;
489	const unsigned char *start;
490	int ret = 0;
491
492	start = bytes;
493	enctst = package->d2i(NULL, &bytes, nbytes);
494	if (enctst == NULL) {
495	if (expected->success == 0) {
496	ret = 1;
497	ERR_clear_error();
498	} else {
499	ret = -1;
500	}
501	} else {
502	if (start + nbytes == bytes
503	&& memcmp(enctst, expected, expected_size) == 0)
504	ret = 1;
505	else
506	ret = 0;
507	}
508
509	package->ifree(enctst);
510	return ret;
511	}
512
513	/*
514	* do_encode returns a tristate:
515	*
516	* -1 Couldn't encode
517	* 0 encoded DER wasn't what was expected (failure)
518	* 1 encoded DER was what was expected (success)
519	*/
520	static int do_encode(EXPECTED *input,
521	const unsigned char *expected, size_t expected_len,
522	const TEST_PACKAGE *package)
523	{
524	unsigned char *data = NULL;
525	int len;
526	int ret = 0;
527
528	len = package->i2d(input, &data);
529	if (len < 0)
530	return -1;
531
532	if ((size_t)len != expected_len
533	\|\| memcmp(data, expected, expected_len) != 0) {
534	if (input->success == 0) {
535	ret = 1;
536	ERR_clear_error();
537	} else {
538	ret = 0;
539	}
540	} else {
541	ret = 1;
542	}
543
544	OPENSSL_free(data);
545	return ret;
546	}
547
548	/* Do an encode/decode round trip */
549	static int do_enc_dec(EXPECTED *bytes, long nbytes,
550	const TEST_PACKAGE *package)
551	{
552	unsigned char *data = NULL;
553	int len;
554	int ret = 0;
555	void *p = bytes;
556
557	len = package->i2d(p, &data);
558	if (len < 0)
559	return -1;
560
561	ret = do_decode(data, len, bytes, nbytes, package);
562	OPENSSL_free(data);
563	return ret;
564	}
565
566	static size_t der_encode_length(size_t len, unsigned char **pp)
567	{
568	size_t lenbytes;
569
570	OPENSSL_assert(len < 0x8000);
571	if (len > 255)
572	lenbytes = 3;
573	else if (len > 127)
574	lenbytes = 2;
575	else
576	lenbytes = 1;
577
578	if (pp != NULL) {
579	if (lenbytes == 1) {
580	(pp)++ = (unsigned char)len;
581	} else {
582	(pp)++ = (unsigned char)(lenbytes - 1);
583	if (lenbytes == 2) {
584	(pp)++ = (unsigned char)(0x80 \| len);
585	} else {
586	(pp)++ = (unsigned char)(0x80 \| (len >> 8));
587	(pp)++ = (unsigned char)(len);
588	}
589	}
590	}
591	return lenbytes;
592	}
593
594	static size_t make_custom_der(const TEST_CUSTOM_DATA *custom_data,
595	unsigned char **encoding, int explicit_default)
596	{
597	size_t firstbytes, secondbytes = 0, secondbytesinner = 0, seqbytes;
598	const unsigned char t_true[] = { V_ASN1_BOOLEAN, 0x01, 0xff };
599	unsigned char *p = NULL;
600	size_t i;
601
602	/*
603	* The first item is just an INTEGER tag, INTEGER length and INTEGER content
604	*/
605	firstbytes =
606	1 + der_encode_length(custom_data->nbytes1, NULL)
607	+ custom_data->nbytes1;
608
609	for (i = custom_data->nbytes2; i > 0; i--) {
610	if (custom_data->bytes2[i - 1] != '\0')
611	break;
612	}
613	if (explicit_default \|\| i > 0) {
614	/*
615	* The second item is an explicit tag, content length, INTEGER tag,
616	* INTEGER length, INTEGER bytes
617	*/
618	secondbytesinner =
619	1 + der_encode_length(custom_data->nbytes2, NULL)
620	+ custom_data->nbytes2;
621	secondbytes =
622	1 + der_encode_length(secondbytesinner, NULL) + secondbytesinner;
623	}
624
625	/*
626	* The whole sequence is the sequence tag, content length, BOOLEAN true
627	* (copied from t_true), the first (firstbytes) and second (secondbytes)
628	* items
629	*/
630	seqbytes =
631	1 + der_encode_length(sizeof(t_true) + firstbytes + secondbytes, NULL)
632	+ sizeof(t_true) + firstbytes + secondbytes;
633
634	*encoding = p = OPENSSL_malloc(seqbytes);
635	if (*encoding == NULL)
636	return 0;
637
638	/* Sequence tag */
639	*p++ = 0x30;
640	der_encode_length(sizeof(t_true) + firstbytes + secondbytes, &p);
641
642	/* ASN1_BOOLEAN TRUE */
643	memcpy(p, t_true, sizeof(t_true)); /* Marks decoding success */
644	p += sizeof(t_true);
645
646	/* First INTEGER item (non-optional) */
647	*p++ = V_ASN1_INTEGER;
648	der_encode_length(custom_data->nbytes1, &p);
649	memcpy(p, custom_data->bytes1, custom_data->nbytes1);
650	p += custom_data->nbytes1;
651
652	if (secondbytes > 0) {
653	/* Second INTEGER item (optional) */
654	/* Start with the explicit optional tag */
655	*p++ = 0xa0;
656	der_encode_length(secondbytesinner, &p);
657	*p++ = V_ASN1_INTEGER;
658	der_encode_length(custom_data->nbytes2, &p);
659	memcpy(p, custom_data->bytes2, custom_data->nbytes2);
660	p += custom_data->nbytes2;
661	}
662
663	OPENSSL_assert(seqbytes == (size_t)(p - *encoding));
664
665	return seqbytes;
666	}
667
668	/* Attempt to decode a custom encoding of the test structure */
669	static int do_decode_custom(const TEST_CUSTOM_DATA *custom_data,
670	const EXPECTED *expected, size_t expected_size,
671	const TEST_PACKAGE *package)
672	{
673	unsigned char *encoding = NULL;
674	/*
675	* We force the defaults to be explicitly encoded to make sure we test
676	* for defaults that shouldn't be present (i.e. we check for failure)
677	*/
678	size_t encoding_length = make_custom_der(custom_data, &encoding, 1);
679	int ret;
680
681	if (encoding_length == 0)
682	return -1;
683
684	ret = do_decode(encoding, encoding_length, expected, expected_size,
685	package);
686	OPENSSL_free(encoding);
687
688	return ret;
689	}
690
691	/* Attempt to encode the test structure and compare it to custom DER */
692	static int do_encode_custom(EXPECTED *input,
693	const TEST_CUSTOM_DATA *custom_data,
694	const TEST_PACKAGE *package)
695	{
696	unsigned char *expected = NULL;
697	size_t expected_length = make_custom_der(custom_data, &expected, 0);
698	int ret;
699
700	if (expected_length == 0)
701	return -1;
702
703	ret = do_encode(input, expected, expected_length, package);
704	OPENSSL_free(expected);
705
706	return ret;
707	}
708
709	static int do_print_item(const TEST_PACKAGE *package)
710	{
711	#define DATA_BUF_SIZE 256
712	const ASN1_ITEM *i = ASN1_ITEM_ptr(package->asn1_type);
713	ASN1_VALUE *o;
714	int ret;
715
716	OPENSSL_assert(package->encode_expectations_elem_size <= DATA_BUF_SIZE);
717	if ((o = OPENSSL_malloc(DATA_BUF_SIZE)) == NULL)
718	return 0;
719
720	(void)RAND_bytes((unsigned char*)o,
721	(int)package->encode_expectations_elem_size);
722	ret = ASN1_item_print(bio_err, o, 0, i, NULL);
723	OPENSSL_free(o);
724
725	return ret;
726	}
727
728
729	static int test_intern(const TEST_PACKAGE *package)
730	{
731	unsigned int i;
732	size_t nelems;
733	int fail = 0;
734
735	if (package->skip)
736	return 1;
737
738	/* Do decode_custom checks */
739	nelems = package->encode_expectations_size
740	/ package->encode_expectations_elem_size;
741	OPENSSL_assert(nelems ==
742	sizeof(test_custom_data) / sizeof(test_custom_data[0]));
743	for (i = 0; i < nelems; i++) {
744	size_t pos = i * package->encode_expectations_elem_size;
745	EXPECTED *expected
746	= (EXPECTED )&((unsigned char )package->encode_expectations)[pos];
747
748	switch (do_encode_custom(expected, &test_custom_data[i], package)) {
749	case -1:
750	if (expected->success) {
751	TEST_error("Failed custom encode round trip %u of %s",
752	i, package->name);
753	TEST_openssl_errors();
754	fail++;
755	}
756	break;
757	case 0:
758	TEST_error("Custom encode round trip %u of %s mismatch",
759	i, package->name);
760	TEST_openssl_errors();
761	fail++;
762	break;
763	case 1:
764	break;
765	default:
766	OPENSSL_die("do_encode_custom() return unknown value",
767	__FILE__, __LINE__);
768	}
769	switch (do_decode_custom(&test_custom_data[i], expected,
770	package->encode_expectations_elem_size,
771	package)) {
772	case -1:
773	if (expected->success) {
774	TEST_error("Failed custom decode round trip %u of %s",
775	i, package->name);
776	TEST_openssl_errors();
777	fail++;
778	}
779	break;
780	case 0:
781	TEST_error("Custom decode round trip %u of %s mismatch",
782	i, package->name);
783	TEST_openssl_errors();
784	fail++;
785	break;
786	case 1:
787	break;
788	default:
789	OPENSSL_die("do_decode_custom() return unknown value",
790	__FILE__, __LINE__);
791	}
792	}
793
794	/* Do enc_dec checks */
795	nelems = package->encdec_data_size / package->encdec_data_elem_size;
796	for (i = 0; i < nelems; i++) {
797	size_t pos = i * package->encdec_data_elem_size;
798	EXPECTED *expected
799	= (EXPECTED )&((unsigned char )package->encdec_data)[pos];
800
801	switch (do_enc_dec(expected, package->encdec_data_elem_size, package)) {
802	case -1:
803	if (expected->success) {
804	TEST_error("Failed encode/decode round trip %u of %s",
805	i, package->name);
806	TEST_openssl_errors();
807	fail++;
808	}
809	break;
810	case 0:
811	TEST_error("Encode/decode round trip %u of %s mismatch",
812	i, package->name);
813	fail++;
814	break;
815	case 1:
816	break;
817	default:
818	OPENSSL_die("do_enc_dec() return unknown value",
819	__FILE__, __LINE__);
820	}
821	}
822
823	if (!do_print_item(package)) {
824	TEST_error("Printing of %s failed", package->name);
825	TEST_openssl_errors();
826	fail++;
827	}
828
829	return fail == 0;
830	}
831
832	#ifndef OPENSSL_NO_DEPRECATED_3_0
833	static int test_long_32bit(void)
834	{
835	return test_intern(&long_test_package_32bit);
836	}
837
838	static int test_long_64bit(void)
839	{
840	return test_intern(&long_test_package_64bit);
841	}
842	#endif
843
844	static int test_int32(void)
845	{
846	return test_intern(&int32_test_package);
847	}
848
849	static int test_uint32(void)
850	{
851	return test_intern(&uint32_test_package);
852	}
853
854	static int test_int64(void)
855	{
856	return test_intern(&int64_test_package);
857	}
858
859	static int test_uint64(void)
860	{
861	return test_intern(&uint64_test_package);
862	}
863
864	typedef struct {
865	ASN1_STRING *invalidDirString;
866	} INVALIDTEMPLATE;
867
868	ASN1_SEQUENCE(INVALIDTEMPLATE) = {
869	/*
870	* DirectoryString is a CHOICE type so it must use explicit tagging -
871	* but we deliberately use implicit here, which makes this template invalid.
872	*/
873	ASN1_IMP(INVALIDTEMPLATE, invalidDirString, DIRECTORYSTRING, 12)
874	} static_ASN1_SEQUENCE_END(INVALIDTEMPLATE)
875
876	IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(INVALIDTEMPLATE)
877	IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(INVALIDTEMPLATE)
878
879	static int test_invalid_template(void)
880	{
881	INVALIDTEMPLATE *temp = INVALIDTEMPLATE_new();
882	int ret;
883
884	if (!TEST_ptr(temp))
885	return 0;
886
887	ret = i2d_INVALIDTEMPLATE(temp, NULL);
888
889	INVALIDTEMPLATE_free(temp);
890
891	/* We expect the i2d operation to fail */
892	return ret < 0;
893	}
894
895
896	int setup_tests(void)
897	{
898	#ifndef OPENSSL_NO_DEPRECATED_3_0
899	ADD_TEST(test_long_32bit);
900	ADD_TEST(test_long_64bit);
901	#endif
902	ADD_TEST(test_int32);
903	ADD_TEST(test_uint32);
904	ADD_TEST(test_int64);
905	ADD_TEST(test_uint64);
906	ADD_TEST(test_invalid_template);
907	return 1;
908	}

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