1 /* $OpenBSD: test_helper.h,v 1.6 2015/01/18 19:52:44 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 #include <openssl/bn.h> 31 #include <openssl/err.h> 32 33 enum test_predicate { 34 TEST_EQ, TEST_NE, TEST_LT, TEST_LE, TEST_GT, TEST_GE 35 }; 36 typedef void (test_onerror_func_t)(void *); 37 38 /* Supplied by test suite */ 39 void tests(void); 40 41 const char *test_data_file(const char *name); 42 void test_start(const char *n); 43 void test_info(char *s, size_t len); 44 void set_onerror_func(test_onerror_func_t *f, void *ctx); 45 void test_done(void); 46 void test_subtest_info(const char *fmt, ...) 47 __attribute__((format(printf, 1, 2))); 48 void ssl_err_check(const char *file, int line); 49 void assert_bignum(const char *file, int line, 50 const char *a1, const char *a2, 51 const BIGNUM *aa1, const BIGNUM *aa2, enum test_predicate pred); 52 void assert_string(const char *file, int line, 53 const char *a1, const char *a2, 54 const char *aa1, const char *aa2, enum test_predicate pred); 55 void assert_mem(const char *file, int line, 56 const char *a1, const char *a2, 57 const void *aa1, const void *aa2, size_t l, enum test_predicate pred); 58 void assert_mem_filled(const char *file, int line, 59 const char *a1, 60 const void *aa1, u_char v, size_t l, enum test_predicate pred); 61 void assert_int(const char *file, int line, 62 const char *a1, const char *a2, 63 int aa1, int aa2, enum test_predicate pred); 64 void assert_size_t(const char *file, int line, 65 const char *a1, const char *a2, 66 size_t aa1, size_t aa2, enum test_predicate pred); 67 void assert_u_int(const char *file, int line, 68 const char *a1, const char *a2, 69 u_int aa1, u_int aa2, enum test_predicate pred); 70 void assert_long_long(const char *file, int line, 71 const char *a1, const char *a2, 72 long long aa1, long long aa2, enum test_predicate pred); 73 void assert_char(const char *file, int line, 74 const char *a1, const char *a2, 75 char aa1, char aa2, enum test_predicate pred); 76 void assert_ptr(const char *file, int line, 77 const char *a1, const char *a2, 78 const void *aa1, const void *aa2, enum test_predicate pred); 79 void assert_u8(const char *file, int line, 80 const char *a1, const char *a2, 81 u_int8_t aa1, u_int8_t aa2, enum test_predicate pred); 82 void assert_u16(const char *file, int line, 83 const char *a1, const char *a2, 84 u_int16_t aa1, u_int16_t aa2, enum test_predicate pred); 85 void assert_u32(const char *file, int line, 86 const char *a1, const char *a2, 87 u_int32_t aa1, u_int32_t aa2, enum test_predicate pred); 88 void assert_u64(const char *file, int line, 89 const char *a1, const char *a2, 90 u_int64_t aa1, u_int64_t aa2, enum test_predicate pred); 91 92 #define TEST_START(n) test_start(n) 93 #define TEST_DONE() test_done() 94 #define TEST_ONERROR(f, c) set_onerror_func(f, c) 95 #define SSL_ERR_CHECK() ssl_err_check(__FILE__, __LINE__) 96 97 #define ASSERT_BIGNUM_EQ(a1, a2) \ 98 assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ) 99 #define ASSERT_STRING_EQ(a1, a2) \ 100 assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ) 101 #define ASSERT_MEM_EQ(a1, a2, l) \ 102 assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_EQ) 103 #define ASSERT_MEM_FILLED_EQ(a1, c, l) \ 104 assert_mem_filled(__FILE__, __LINE__, #a1, a1, c, l, TEST_EQ) 105 #define ASSERT_MEM_ZERO_EQ(a1, l) \ 106 assert_mem_filled(__FILE__, __LINE__, #a1, a1, '\0', l, TEST_EQ) 107 #define ASSERT_INT_EQ(a1, a2) \ 108 assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ) 109 #define ASSERT_SIZE_T_EQ(a1, a2) \ 110 assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ) 111 #define ASSERT_U_INT_EQ(a1, a2) \ 112 assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ) 113 #define ASSERT_LONG_LONG_EQ(a1, a2) \ 114 assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ) 115 #define ASSERT_CHAR_EQ(a1, a2) \ 116 assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ) 117 #define ASSERT_PTR_EQ(a1, a2) \ 118 assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ) 119 #define ASSERT_U8_EQ(a1, a2) \ 120 assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ) 121 #define ASSERT_U16_EQ(a1, a2) \ 122 assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ) 123 #define ASSERT_U32_EQ(a1, a2) \ 124 assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ) 125 #define ASSERT_U64_EQ(a1, a2) \ 126 assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ) 127 128 #define ASSERT_BIGNUM_NE(a1, a2) \ 129 assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE) 130 #define ASSERT_STRING_NE(a1, a2) \ 131 assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE) 132 #define ASSERT_MEM_NE(a1, a2, l) \ 133 assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_NE) 134 #define ASSERT_MEM_ZERO_NE(a1, l) \ 135 assert_mem_filled(__FILE__, __LINE__, #a1, a1, '\0', l, TEST_NE) 136 #define ASSERT_INT_NE(a1, a2) \ 137 assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE) 138 #define ASSERT_SIZE_T_NE(a1, a2) \ 139 assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE) 140 #define ASSERT_U_INT_NE(a1, a2) \ 141 assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE) 142 #define ASSERT_LONG_LONG_NE(a1, a2) \ 143 assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE) 144 #define ASSERT_CHAR_NE(a1, a2) \ 145 assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE) 146 #define ASSERT_PTR_NE(a1, a2) \ 147 assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE) 148 #define ASSERT_U8_NE(a1, a2) \ 149 assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE) 150 #define ASSERT_U16_NE(a1, a2) \ 151 assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE) 152 #define ASSERT_U32_NE(a1, a2) \ 153 assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE) 154 #define ASSERT_U64_NE(a1, a2) \ 155 assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE) 156 157 #define ASSERT_BIGNUM_LT(a1, a2) \ 158 assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT) 159 #define ASSERT_STRING_LT(a1, a2) \ 160 assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT) 161 #define ASSERT_MEM_LT(a1, a2, l) \ 162 assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_LT) 163 #define ASSERT_INT_LT(a1, a2) \ 164 assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT) 165 #define ASSERT_SIZE_T_LT(a1, a2) \ 166 assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT) 167 #define ASSERT_U_INT_LT(a1, a2) \ 168 assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT) 169 #define ASSERT_LONG_LONG_LT(a1, a2) \ 170 assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT) 171 #define ASSERT_CHAR_LT(a1, a2) \ 172 assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT) 173 #define ASSERT_PTR_LT(a1, a2) \ 174 assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT) 175 #define ASSERT_U8_LT(a1, a2) \ 176 assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT) 177 #define ASSERT_U16_LT(a1, a2) \ 178 assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT) 179 #define ASSERT_U32_LT(a1, a2) \ 180 assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT) 181 #define ASSERT_U64_LT(a1, a2) \ 182 assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT) 183 184 #define ASSERT_BIGNUM_LE(a1, a2) \ 185 assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE) 186 #define ASSERT_STRING_LE(a1, a2) \ 187 assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE) 188 #define ASSERT_MEM_LE(a1, a2, l) \ 189 assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_LE) 190 #define ASSERT_INT_LE(a1, a2) \ 191 assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE) 192 #define ASSERT_SIZE_T_LE(a1, a2) \ 193 assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE) 194 #define ASSERT_U_INT_LE(a1, a2) \ 195 assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE) 196 #define ASSERT_LONG_LONG_LE(a1, a2) \ 197 assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE) 198 #define ASSERT_CHAR_LE(a1, a2) \ 199 assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE) 200 #define ASSERT_PTR_LE(a1, a2) \ 201 assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE) 202 #define ASSERT_U8_LE(a1, a2) \ 203 assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE) 204 #define ASSERT_U16_LE(a1, a2) \ 205 assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE) 206 #define ASSERT_U32_LE(a1, a2) \ 207 assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE) 208 #define ASSERT_U64_LE(a1, a2) \ 209 assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE) 210 211 #define ASSERT_BIGNUM_GT(a1, a2) \ 212 assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT) 213 #define ASSERT_STRING_GT(a1, a2) \ 214 assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT) 215 #define ASSERT_MEM_GT(a1, a2, l) \ 216 assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_GT) 217 #define ASSERT_INT_GT(a1, a2) \ 218 assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT) 219 #define ASSERT_SIZE_T_GT(a1, a2) \ 220 assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT) 221 #define ASSERT_U_INT_GT(a1, a2) \ 222 assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT) 223 #define ASSERT_LONG_LONG_GT(a1, a2) \ 224 assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT) 225 #define ASSERT_CHAR_GT(a1, a2) \ 226 assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT) 227 #define ASSERT_PTR_GT(a1, a2) \ 228 assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT) 229 #define ASSERT_U8_GT(a1, a2) \ 230 assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT) 231 #define ASSERT_U16_GT(a1, a2) \ 232 assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT) 233 #define ASSERT_U32_GT(a1, a2) \ 234 assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT) 235 #define ASSERT_U64_GT(a1, a2) \ 236 assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT) 237 238 #define ASSERT_BIGNUM_GE(a1, a2) \ 239 assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE) 240 #define ASSERT_STRING_GE(a1, a2) \ 241 assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE) 242 #define ASSERT_MEM_GE(a1, a2, l) \ 243 assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_GE) 244 #define ASSERT_INT_GE(a1, a2) \ 245 assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE) 246 #define ASSERT_SIZE_T_GE(a1, a2) \ 247 assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE) 248 #define ASSERT_U_INT_GE(a1, a2) \ 249 assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE) 250 #define ASSERT_LONG_LONG_GE(a1, a2) \ 251 assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE) 252 #define ASSERT_CHAR_GE(a1, a2) \ 253 assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE) 254 #define ASSERT_PTR_GE(a1, a2) \ 255 assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE) 256 #define ASSERT_U8_GE(a1, a2) \ 257 assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE) 258 #define ASSERT_U16_GE(a1, a2) \ 259 assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE) 260 #define ASSERT_U32_GE(a1, a2) \ 261 assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE) 262 #define ASSERT_U64_GE(a1, a2) \ 263 assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE) 264 265 /* Fuzzing support */ 266 267 struct fuzz; 268 #define FUZZ_1_BIT_FLIP 0x00000001 /* Flip one bit at a time */ 269 #define FUZZ_2_BIT_FLIP 0x00000002 /* Flip two bits at a time */ 270 #define FUZZ_1_BYTE_FLIP 0x00000004 /* Flip one byte at a time */ 271 #define FUZZ_2_BYTE_FLIP 0x00000008 /* Flip two bytes at a time */ 272 #define FUZZ_TRUNCATE_START 0x00000010 /* Truncate from beginning */ 273 #define FUZZ_TRUNCATE_END 0x00000020 /* Truncate from end */ 274 #define FUZZ_BASE64 0x00000040 /* Try all base64 chars */ 275 #define FUZZ_MAX FUZZ_BASE64 276 277 /* Start fuzzing a blob of data with selected strategies (bitmask) */ 278 struct fuzz *fuzz_begin(u_int strategies, const void *p, size_t l); 279 280 /* Free a fuzz context */ 281 void fuzz_cleanup(struct fuzz *fuzz); 282 283 /* Prepare the next fuzz case in the series */ 284 void fuzz_next(struct fuzz *fuzz); 285 286 /* 287 * Check whether this fuzz case is identical to the original 288 * This is slow, but useful if the caller needs to ensure that all tests 289 * generated change the input (e.g. when fuzzing signatures). 290 */ 291 int fuzz_matches_original(struct fuzz *fuzz); 292 293 /* Determine whether the current fuzz sequence is exhausted (nonzero = yes) */ 294 int fuzz_done(struct fuzz *fuzz); 295 296 /* Return the length and a pointer to the current fuzzed case */ 297 size_t fuzz_len(struct fuzz *fuzz); 298 u_char *fuzz_ptr(struct fuzz *fuzz); 299 300 /* Dump the current fuzz case to stderr */ 301 void fuzz_dump(struct fuzz *fuzz); 302 303 #endif /* _TEST_HELPER_H */ 304