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1/* $OpenBSD: test_helper.h,v 1.3 2014/05/02 09:41:32 andre 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#include <openssl/bn.h>
31#include <openssl/err.h>
32
33enum test_predicate {
34 TEST_EQ, TEST_NE, TEST_LT, TEST_LE, TEST_GT, TEST_GE
35};
36typedef void (test_onerror_func_t)(void *);
37
38/* Supplied by test suite */
39void tests(void);
40
41const char *test_data_file(const char *name);
42void test_start(const char *n);
43void set_onerror_func(test_onerror_func_t *f, void *ctx);
44void test_done(void);
45void ssl_err_check(const char *file, int line);
46void assert_bignum(const char *file, int line,
47 const char *a1, const char *a2,
48 const BIGNUM *aa1, const BIGNUM *aa2, enum test_predicate pred);
49void assert_string(const char *file, int line,
50 const char *a1, const char *a2,
51 const char *aa1, const char *aa2, enum test_predicate pred);
52void assert_mem(const char *file, int line,
53 const char *a1, const char *a2,
54 const void *aa1, const void *aa2, size_t l, enum test_predicate pred);
55void assert_mem_filled(const char *file, int line,
56 const char *a1,
57 const void *aa1, u_char v, size_t l, enum test_predicate pred);
58void assert_int(const char *file, int line,
59 const char *a1, const char *a2,
60 int aa1, int aa2, enum test_predicate pred);
61void assert_size_t(const char *file, int line,
62 const char *a1, const char *a2,
63 size_t aa1, size_t aa2, enum test_predicate pred);
64void assert_u_int(const char *file, int line,
65 const char *a1, const char *a2,
66 u_int aa1, u_int aa2, enum test_predicate pred);
67void assert_long_long(const char *file, int line,
68 const char *a1, const char *a2,
69 long long aa1, long long aa2, enum test_predicate pred);
70void assert_char(const char *file, int line,
71 const char *a1, const char *a2,
72 char aa1, char aa2, enum test_predicate pred);
73void assert_ptr(const char *file, int line,
74 const char *a1, const char *a2,
75 const void *aa1, const void *aa2, enum test_predicate pred);
76void assert_u8(const char *file, int line,
77 const char *a1, const char *a2,
78 u_int8_t aa1, u_int8_t aa2, enum test_predicate pred);
79void assert_u16(const char *file, int line,
80 const char *a1, const char *a2,
81 u_int16_t aa1, u_int16_t aa2, enum test_predicate pred);
82void assert_u32(const char *file, int line,
83 const char *a1, const char *a2,
84 u_int32_t aa1, u_int32_t aa2, enum test_predicate pred);
85void assert_u64(const char *file, int line,
86 const char *a1, const char *a2,
87 u_int64_t aa1, u_int64_t aa2, enum test_predicate pred);
88
89#define TEST_START(n) test_start(n)
90#define TEST_DONE() test_done()
91#define TEST_ONERROR(f, c) set_onerror_func(f, c)
92#define SSL_ERR_CHECK() ssl_err_check(__FILE__, __LINE__)
93
94#define ASSERT_BIGNUM_EQ(a1, a2) \
95 assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
96#define ASSERT_STRING_EQ(a1, a2) \
97 assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
98#define ASSERT_MEM_EQ(a1, a2, l) \
99 assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_EQ)
100#define ASSERT_MEM_FILLED_EQ(a1, c, l) \
101 assert_mem_filled(__FILE__, __LINE__, #a1, a1, c, l, TEST_EQ)
102#define ASSERT_MEM_ZERO_EQ(a1, l) \
103 assert_mem_filled(__FILE__, __LINE__, #a1, a1, '\0', l, TEST_EQ)
104#define ASSERT_INT_EQ(a1, a2) \
105 assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
106#define ASSERT_SIZE_T_EQ(a1, a2) \
107 assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
108#define ASSERT_U_INT_EQ(a1, a2) \
109 assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
110#define ASSERT_LONG_LONG_EQ(a1, a2) \
111 assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
112#define ASSERT_CHAR_EQ(a1, a2) \
113 assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
114#define ASSERT_PTR_EQ(a1, a2) \
115 assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
116#define ASSERT_U8_EQ(a1, a2) \
117 assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
118#define ASSERT_U16_EQ(a1, a2) \
119 assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
120#define ASSERT_U32_EQ(a1, a2) \
121 assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
122#define ASSERT_U64_EQ(a1, a2) \
123 assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
124
125#define ASSERT_BIGNUM_NE(a1, a2) \
126 assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
127#define ASSERT_STRING_NE(a1, a2) \
128 assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
129#define ASSERT_MEM_NE(a1, a2, l) \
130 assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_NE)
131#define ASSERT_MEM_ZERO_NE(a1, l) \
132 assert_mem_filled(__FILE__, __LINE__, #a1, a1, '\0', l, TEST_NE)
133#define ASSERT_INT_NE(a1, a2) \
134 assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
135#define ASSERT_SIZE_T_NE(a1, a2) \
136 assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
137#define ASSERT_U_INT_NE(a1, a2) \
138 assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
139#define ASSERT_LONG_LONG_NE(a1, a2) \
140 assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
141#define ASSERT_CHAR_NE(a1, a2) \
142 assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
143#define ASSERT_PTR_NE(a1, a2) \
144 assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
145#define ASSERT_U8_NE(a1, a2) \
146 assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
147#define ASSERT_U16_NE(a1, a2) \
148 assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
149#define ASSERT_U32_NE(a1, a2) \
150 assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
151#define ASSERT_U64_NE(a1, a2) \
152 assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
153
154#define ASSERT_BIGNUM_LT(a1, a2) \
155 assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
156#define ASSERT_STRING_LT(a1, a2) \
157 assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
158#define ASSERT_MEM_LT(a1, a2, l) \
159 assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_LT)
160#define ASSERT_INT_LT(a1, a2) \
161 assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
162#define ASSERT_SIZE_T_LT(a1, a2) \
163 assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
164#define ASSERT_U_INT_LT(a1, a2) \
165 assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
166#define ASSERT_LONG_LONG_LT(a1, a2) \
167 assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
168#define ASSERT_CHAR_LT(a1, a2) \
169 assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
170#define ASSERT_PTR_LT(a1, a2) \
171 assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
172#define ASSERT_U8_LT(a1, a2) \
173 assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
174#define ASSERT_U16_LT(a1, a2) \
175 assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
176#define ASSERT_U32_LT(a1, a2) \
177 assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
178#define ASSERT_U64_LT(a1, a2) \
179 assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
180
181#define ASSERT_BIGNUM_LE(a1, a2) \
182 assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
183#define ASSERT_STRING_LE(a1, a2) \
184 assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
185#define ASSERT_MEM_LE(a1, a2, l) \
186 assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_LE)
187#define ASSERT_INT_LE(a1, a2) \
188 assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
189#define ASSERT_SIZE_T_LE(a1, a2) \
190 assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
191#define ASSERT_U_INT_LE(a1, a2) \
192 assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
193#define ASSERT_LONG_LONG_LE(a1, a2) \
194 assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
195#define ASSERT_CHAR_LE(a1, a2) \
196 assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
197#define ASSERT_PTR_LE(a1, a2) \
198 assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
199#define ASSERT_U8_LE(a1, a2) \
200 assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
201#define ASSERT_U16_LE(a1, a2) \
202 assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
203#define ASSERT_U32_LE(a1, a2) \
204 assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
205#define ASSERT_U64_LE(a1, a2) \
206 assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
207
208#define ASSERT_BIGNUM_GT(a1, a2) \
209 assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
210#define ASSERT_STRING_GT(a1, a2) \
211 assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
212#define ASSERT_MEM_GT(a1, a2, l) \
213 assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_GT)
214#define ASSERT_INT_GT(a1, a2) \
215 assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
216#define ASSERT_SIZE_T_GT(a1, a2) \
217 assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
218#define ASSERT_U_INT_GT(a1, a2) \
219 assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
220#define ASSERT_LONG_LONG_GT(a1, a2) \
221 assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
222#define ASSERT_CHAR_GT(a1, a2) \
223 assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
224#define ASSERT_PTR_GT(a1, a2) \
225 assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
226#define ASSERT_U8_GT(a1, a2) \
227 assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
228#define ASSERT_U16_GT(a1, a2) \
229 assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
230#define ASSERT_U32_GT(a1, a2) \
231 assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
232#define ASSERT_U64_GT(a1, a2) \
233 assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
234
235#define ASSERT_BIGNUM_GE(a1, a2) \
236 assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
237#define ASSERT_STRING_GE(a1, a2) \
238 assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
239#define ASSERT_MEM_GE(a1, a2, l) \
240 assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_GE)
241#define ASSERT_INT_GE(a1, a2) \
242 assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
243#define ASSERT_SIZE_T_GE(a1, a2) \
244 assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
245#define ASSERT_U_INT_GE(a1, a2) \
246 assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
247#define ASSERT_LONG_LONG_GE(a1, a2) \
248 assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
249#define ASSERT_CHAR_GE(a1, a2) \
250 assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
251#define ASSERT_PTR_GE(a1, a2) \
252 assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
253#define ASSERT_U8_GE(a1, a2) \
254 assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
255#define ASSERT_U16_GE(a1, a2) \
256 assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
257#define ASSERT_U32_GE(a1, a2) \
258 assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
259#define ASSERT_U64_GE(a1, a2) \
260 assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
261
262/* Fuzzing support */
263
264struct fuzz;
265#define FUZZ_1_BIT_FLIP 0x00000001 /* Flip one bit at a time */
266#define FUZZ_2_BIT_FLIP 0x00000002 /* Flip two bits at a time */
267#define FUZZ_1_BYTE_FLIP 0x00000004 /* Flip one byte at a time */
268#define FUZZ_2_BYTE_FLIP 0x00000008 /* Flip two bytes at a time */
269#define FUZZ_TRUNCATE_START 0x00000010 /* Truncate from beginning */
270#define FUZZ_TRUNCATE_END 0x00000020 /* Truncate from end */
271#define FUZZ_BASE64 0x00000040 /* Try all base64 chars */
272#define FUZZ_MAX FUZZ_BASE64
273
274/* Start fuzzing a blob of data with selected strategies (bitmask) */
275struct fuzz *fuzz_begin(u_int strategies, const void *p, size_t l);
276
277/* Free a fuzz context */
278void fuzz_cleanup(struct fuzz *fuzz);
279
280/* Prepare the next fuzz case in the series */
281void fuzz_next(struct fuzz *fuzz);
282
283/* Determine whether the current fuzz sequence is exhausted (nonzero = yes) */
284int fuzz_done(struct fuzz *fuzz);
285
286/* Return the length and a pointer to the current fuzzed case */
287size_t fuzz_len(struct fuzz *fuzz);
288u_char *fuzz_ptr(struct fuzz *fuzz);
289
290/* Dump the current fuzz case to stderr */
291void fuzz_dump(struct fuzz *fuzz);
292#endif /* _TEST_HELPER_H */
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