xref: /freebsd/crypto/openssh/regress/unittests/test_helper/test_helper.h (revision 02e9120893770924227138ba49df1edb3896112a)
1 /*	$OpenBSD: test_helper.h,v 1.9 2018/10/17 23:28:05 djm Exp $	*/
2 /*
3  * Copyright (c) 2011 Damien Miller <djm@mindrot.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 /* Utility functions/framework for regress tests */
19 
20 #ifndef _TEST_HELPER_H
21 #define _TEST_HELPER_H
22 
23 #include "includes.h"
24 
25 #include <sys/types.h>
26 #ifdef HAVE_STDINT_H
27 # include <stdint.h>
28 #endif
29 
30 #ifdef WITH_OPENSSL
31 #include <openssl/bn.h>
32 #include <openssl/err.h>
33 #endif
34 
35 enum test_predicate {
36 	TEST_EQ, TEST_NE, TEST_LT, TEST_LE, TEST_GT, TEST_GE
37 };
38 typedef void (test_onerror_func_t)(void *);
39 
40 /* Supplied by test suite */
41 void tests(void);
42 
43 const char *test_data_file(const char *name);
44 void test_start(const char *n);
45 void test_info(char *s, size_t len);
46 void set_onerror_func(test_onerror_func_t *f, void *ctx);
47 void test_done(void);
48 int test_is_verbose(void);
49 int test_is_quiet(void);
50 int test_is_fast(void);
51 int test_is_slow(void);
52 void test_subtest_info(const char *fmt, ...)
53     __attribute__((format(printf, 1, 2)));
54 void ssl_err_check(const char *file, int line);
55 #ifdef WITH_OPENSSL
56 void assert_bignum(const char *file, int line,
57     const char *a1, const char *a2,
58     const BIGNUM *aa1, const BIGNUM *aa2, enum test_predicate pred);
59 #endif
60 void assert_string(const char *file, int line,
61     const char *a1, const char *a2,
62     const char *aa1, const char *aa2, enum test_predicate pred);
63 void assert_mem(const char *file, int line,
64     const char *a1, const char *a2,
65     const void *aa1, const void *aa2, size_t l, enum test_predicate pred);
66 void assert_mem_filled(const char *file, int line,
67     const char *a1,
68     const void *aa1, u_char v, size_t l, enum test_predicate pred);
69 void assert_int(const char *file, int line,
70     const char *a1, const char *a2,
71     int aa1, int aa2, enum test_predicate pred);
72 void assert_size_t(const char *file, int line,
73     const char *a1, const char *a2,
74     size_t aa1, size_t aa2, enum test_predicate pred);
75 void assert_u_int(const char *file, int line,
76     const char *a1, const char *a2,
77     u_int aa1, u_int aa2, enum test_predicate pred);
78 void assert_long(const char *file, int line,
79     const char *a1, const char *a2,
80     long aa1, long aa2, enum test_predicate pred);
81 void assert_long_long(const char *file, int line,
82     const char *a1, const char *a2,
83     long long aa1, long long aa2, enum test_predicate pred);
84 void assert_char(const char *file, int line,
85     const char *a1, const char *a2,
86     char aa1, char aa2, enum test_predicate pred);
87 void assert_ptr(const char *file, int line,
88     const char *a1, const char *a2,
89     const void *aa1, const void *aa2, enum test_predicate pred);
90 void assert_u8(const char *file, int line,
91     const char *a1, const char *a2,
92     u_int8_t aa1, u_int8_t aa2, enum test_predicate pred);
93 void assert_u16(const char *file, int line,
94     const char *a1, const char *a2,
95     u_int16_t aa1, u_int16_t aa2, enum test_predicate pred);
96 void assert_u32(const char *file, int line,
97     const char *a1, const char *a2,
98     u_int32_t aa1, u_int32_t aa2, enum test_predicate pred);
99 void assert_u64(const char *file, int line,
100     const char *a1, const char *a2,
101     u_int64_t aa1, u_int64_t aa2, enum test_predicate pred);
102 
103 #define TEST_START(n)			test_start(n)
104 #define TEST_DONE()			test_done()
105 #define TEST_ONERROR(f, c)		set_onerror_func(f, c)
106 #define SSL_ERR_CHECK() 		ssl_err_check(__FILE__, __LINE__)
107 
108 #define ASSERT_BIGNUM_EQ(a1, a2) \
109 	assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
110 #define ASSERT_STRING_EQ(a1, a2) \
111 	assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
112 #define ASSERT_MEM_EQ(a1, a2, l) \
113 	assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_EQ)
114 #define ASSERT_MEM_FILLED_EQ(a1, c, l) \
115 	assert_mem_filled(__FILE__, __LINE__, #a1, a1, c, l, TEST_EQ)
116 #define ASSERT_MEM_ZERO_EQ(a1, l) \
117 	assert_mem_filled(__FILE__, __LINE__, #a1, a1, '\0', l, TEST_EQ)
118 #define ASSERT_INT_EQ(a1, a2) \
119 	assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
120 #define ASSERT_SIZE_T_EQ(a1, a2) \
121 	assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
122 #define ASSERT_U_INT_EQ(a1, a2) \
123 	assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
124 #define ASSERT_LONG_EQ(a1, a2) \
125 	assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
126 #define ASSERT_LONG_LONG_EQ(a1, a2) \
127 	assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
128 #define ASSERT_CHAR_EQ(a1, a2) \
129 	assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
130 #define ASSERT_PTR_EQ(a1, a2) \
131 	assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
132 #define ASSERT_U8_EQ(a1, a2) \
133 	assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
134 #define ASSERT_U16_EQ(a1, a2) \
135 	assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
136 #define ASSERT_U32_EQ(a1, a2) \
137 	assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
138 #define ASSERT_U64_EQ(a1, a2) \
139 	assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
140 
141 #define ASSERT_BIGNUM_NE(a1, a2) \
142 	assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
143 #define ASSERT_STRING_NE(a1, a2) \
144 	assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
145 #define ASSERT_MEM_NE(a1, a2, l) \
146 	assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_NE)
147 #define ASSERT_MEM_ZERO_NE(a1, l) \
148 	assert_mem_filled(__FILE__, __LINE__, #a1, a1, '\0', l, TEST_NE)
149 #define ASSERT_INT_NE(a1, a2) \
150 	assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
151 #define ASSERT_SIZE_T_NE(a1, a2) \
152 	assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
153 #define ASSERT_U_INT_NE(a1, a2) \
154 	assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
155 #define ASSERT_LONG_NE(a1, a2) \
156 	assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
157 #define ASSERT_LONG_LONG_NE(a1, a2) \
158 	assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
159 #define ASSERT_CHAR_NE(a1, a2) \
160 	assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
161 #define ASSERT_PTR_NE(a1, a2) \
162 	assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
163 #define ASSERT_U8_NE(a1, a2) \
164 	assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
165 #define ASSERT_U16_NE(a1, a2) \
166 	assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
167 #define ASSERT_U32_NE(a1, a2) \
168 	assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
169 #define ASSERT_U64_NE(a1, a2) \
170 	assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
171 
172 #define ASSERT_BIGNUM_LT(a1, a2) \
173 	assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
174 #define ASSERT_STRING_LT(a1, a2) \
175 	assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
176 #define ASSERT_MEM_LT(a1, a2, l) \
177 	assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_LT)
178 #define ASSERT_INT_LT(a1, a2) \
179 	assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
180 #define ASSERT_SIZE_T_LT(a1, a2) \
181 	assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
182 #define ASSERT_U_INT_LT(a1, a2) \
183 	assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
184 #define ASSERT_LONG_LT(a1, a2) \
185 	assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
186 #define ASSERT_LONG_LONG_LT(a1, a2) \
187 	assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
188 #define ASSERT_CHAR_LT(a1, a2) \
189 	assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
190 #define ASSERT_PTR_LT(a1, a2) \
191 	assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
192 #define ASSERT_U8_LT(a1, a2) \
193 	assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
194 #define ASSERT_U16_LT(a1, a2) \
195 	assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
196 #define ASSERT_U32_LT(a1, a2) \
197 	assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
198 #define ASSERT_U64_LT(a1, a2) \
199 	assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
200 
201 #define ASSERT_BIGNUM_LE(a1, a2) \
202 	assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
203 #define ASSERT_STRING_LE(a1, a2) \
204 	assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
205 #define ASSERT_MEM_LE(a1, a2, l) \
206 	assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_LE)
207 #define ASSERT_INT_LE(a1, a2) \
208 	assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
209 #define ASSERT_SIZE_T_LE(a1, a2) \
210 	assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
211 #define ASSERT_U_INT_LE(a1, a2) \
212 	assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
213 #define ASSERT_LONG_LE(a1, a2) \
214 	assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
215 #define ASSERT_LONG_LONG_LE(a1, a2) \
216 	assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
217 #define ASSERT_CHAR_LE(a1, a2) \
218 	assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
219 #define ASSERT_PTR_LE(a1, a2) \
220 	assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
221 #define ASSERT_U8_LE(a1, a2) \
222 	assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
223 #define ASSERT_U16_LE(a1, a2) \
224 	assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
225 #define ASSERT_U32_LE(a1, a2) \
226 	assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
227 #define ASSERT_U64_LE(a1, a2) \
228 	assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
229 
230 #define ASSERT_BIGNUM_GT(a1, a2) \
231 	assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
232 #define ASSERT_STRING_GT(a1, a2) \
233 	assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
234 #define ASSERT_MEM_GT(a1, a2, l) \
235 	assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_GT)
236 #define ASSERT_INT_GT(a1, a2) \
237 	assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
238 #define ASSERT_SIZE_T_GT(a1, a2) \
239 	assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
240 #define ASSERT_U_INT_GT(a1, a2) \
241 	assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
242 #define ASSERT_LONG_GT(a1, a2) \
243 	assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
244 #define ASSERT_LONG_LONG_GT(a1, a2) \
245 	assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
246 #define ASSERT_CHAR_GT(a1, a2) \
247 	assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
248 #define ASSERT_PTR_GT(a1, a2) \
249 	assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
250 #define ASSERT_U8_GT(a1, a2) \
251 	assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
252 #define ASSERT_U16_GT(a1, a2) \
253 	assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
254 #define ASSERT_U32_GT(a1, a2) \
255 	assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
256 #define ASSERT_U64_GT(a1, a2) \
257 	assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
258 
259 #define ASSERT_BIGNUM_GE(a1, a2) \
260 	assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
261 #define ASSERT_STRING_GE(a1, a2) \
262 	assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
263 #define ASSERT_MEM_GE(a1, a2, l) \
264 	assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_GE)
265 #define ASSERT_INT_GE(a1, a2) \
266 	assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
267 #define ASSERT_SIZE_T_GE(a1, a2) \
268 	assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
269 #define ASSERT_U_INT_GE(a1, a2) \
270 	assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
271 #define ASSERT_LONG_GE(a1, a2) \
272 	assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
273 #define ASSERT_LONG_LONG_GE(a1, a2) \
274 	assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
275 #define ASSERT_CHAR_GE(a1, a2) \
276 	assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
277 #define ASSERT_PTR_GE(a1, a2) \
278 	assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
279 #define ASSERT_U8_GE(a1, a2) \
280 	assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
281 #define ASSERT_U16_GE(a1, a2) \
282 	assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
283 #define ASSERT_U32_GE(a1, a2) \
284 	assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
285 #define ASSERT_U64_GE(a1, a2) \
286 	assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
287 
288 /* Fuzzing support */
289 
290 struct fuzz;
291 #define FUZZ_1_BIT_FLIP		0x00000001	/* Flip one bit at a time */
292 #define FUZZ_2_BIT_FLIP		0x00000002	/* Flip two bits at a time */
293 #define FUZZ_1_BYTE_FLIP	0x00000004	/* Flip one byte at a time */
294 #define FUZZ_2_BYTE_FLIP	0x00000008	/* Flip two bytes at a time */
295 #define FUZZ_TRUNCATE_START	0x00000010	/* Truncate from beginning */
296 #define FUZZ_TRUNCATE_END	0x00000020	/* Truncate from end */
297 #define FUZZ_BASE64		0x00000040	/* Try all base64 chars */
298 #define FUZZ_MAX		FUZZ_BASE64
299 
300 /* Start fuzzing a blob of data with selected strategies (bitmask) */
301 struct fuzz *fuzz_begin(u_int strategies, const void *p, size_t l);
302 
303 /* Free a fuzz context */
304 void fuzz_cleanup(struct fuzz *fuzz);
305 
306 /* Prepare the next fuzz case in the series */
307 void fuzz_next(struct fuzz *fuzz);
308 
309 /*
310  * Check whether this fuzz case is identical to the original
311  * This is slow, but useful if the caller needs to ensure that all tests
312  * generated change the input (e.g. when fuzzing signatures).
313  */
314 int fuzz_matches_original(struct fuzz *fuzz);
315 
316 /* Determine whether the current fuzz sequence is exhausted (nonzero = yes) */
317 int fuzz_done(struct fuzz *fuzz);
318 
319 /* Return the length and a pointer to the current fuzzed case */
320 size_t fuzz_len(struct fuzz *fuzz);
321 u_char *fuzz_ptr(struct fuzz *fuzz);
322 
323 /* Dump the current fuzz case to stderr */
324 void fuzz_dump(struct fuzz *fuzz);
325 
326 #endif /* _TEST_HELPER_H */
327