xref: /openssl/test/testutil/driver.c (revision 556009c5)
1 /*
2  * Copyright 2016-2023 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 "../testutil.h"
11 #include "output.h"
12 #include "tu_local.h"
13 
14 #include <string.h>
15 #include <assert.h>
16 
17 #include "internal/nelem.h"
18 #include <openssl/bio.h>
19 
20 #include "platform.h"            /* From libapps */
21 
22 #if defined(_WIN32) && !defined(__BORLANDC__)
23 # define strdup _strdup
24 #endif
25 
26 
27 /*
28  * Declares the structures needed to register each test case function.
29  */
30 typedef struct test_info {
31     const char *test_case_name;
32     int (*test_fn) (void);
33     int (*param_test_fn)(int idx);
34     int num;
35 
36     /* flags */
37     int subtest:1;
38 } TEST_INFO;
39 
40 static TEST_INFO all_tests[1024];
41 static int num_tests = 0;
42 static int show_list = 0;
43 static int single_test = -1;
44 static int single_iter = -1;
45 static int level = 0;
46 static int seed = 0;
47 static int rand_order = 0;
48 
49 /*
50  * A parameterised test runs a loop of test cases.
51  * |num_test_cases| counts the total number of non-subtest test cases
52  * across all tests.
53  */
54 static int num_test_cases = 0;
55 
56 static int process_shared_options(void);
57 
58 
add_test(const char * test_case_name,int (* test_fn)(void))59 void add_test(const char *test_case_name, int (*test_fn) (void))
60 {
61     assert(num_tests != OSSL_NELEM(all_tests));
62     all_tests[num_tests].test_case_name = test_case_name;
63     all_tests[num_tests].test_fn = test_fn;
64     all_tests[num_tests].num = -1;
65     ++num_tests;
66     ++num_test_cases;
67 }
68 
add_all_tests(const char * test_case_name,int (* test_fn)(int idx),int num,int subtest)69 void add_all_tests(const char *test_case_name, int(*test_fn)(int idx),
70                    int num, int subtest)
71 {
72     assert(num_tests != OSSL_NELEM(all_tests));
73     all_tests[num_tests].test_case_name = test_case_name;
74     all_tests[num_tests].param_test_fn = test_fn;
75     all_tests[num_tests].num = num;
76     all_tests[num_tests].subtest = subtest;
77     ++num_tests;
78     if (subtest)
79         ++num_test_cases;
80     else
81         num_test_cases += num;
82 }
83 
gcd(int a,int b)84 static int gcd(int a, int b)
85 {
86     while (b != 0) {
87         int t = b;
88         b = a % b;
89         a = t;
90     }
91     return a;
92 }
93 
set_seed(int s)94 static void set_seed(int s)
95 {
96     seed = s;
97     if (seed <= 0)
98         seed = (int)time(NULL);
99     test_random_seed(seed);
100 }
101 
102 
setup_test_framework(int argc,char * argv[])103 int setup_test_framework(int argc, char *argv[])
104 {
105     char *test_rand_order = getenv("OPENSSL_TEST_RAND_ORDER");
106     char *test_rand_seed = getenv("OPENSSL_TEST_RAND_SEED");
107     char *TAP_levels = getenv("HARNESS_OSSL_LEVEL");
108 
109     if (TAP_levels != NULL)
110         level = 4 * atoi(TAP_levels);
111     test_adjust_streams_tap_level(level);
112     if (test_rand_order != NULL) {
113         rand_order = 1;
114         set_seed(atoi(test_rand_order));
115     } else if (test_rand_seed != NULL) {
116         set_seed(atoi(test_rand_seed));
117     } else {
118         set_seed(0);
119     }
120 
121 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
122     argv = copy_argv(&argc, argv);
123 #elif defined(_WIN32)
124     /*
125      * Replace argv[] with UTF-8 encoded strings.
126      */
127     win32_utf8argv(&argc, &argv);
128 #endif
129 
130     if (!opt_init(argc, argv, test_get_options()))
131         return 0;
132     return 1;
133 }
134 
135 
136 /*
137  * This can only be called after setup() has run, since num_tests and
138  * all_tests[] are setup at this point
139  */
check_single_test_params(char * name,char * testname,char * itname)140 static int check_single_test_params(char *name, char *testname, char *itname)
141 {
142     if (name != NULL) {
143         int i;
144         for (i = 0; i < num_tests; ++i) {
145             if (strcmp(name, all_tests[i].test_case_name) == 0) {
146                 single_test = 1 + i;
147                 break;
148             }
149         }
150         if (i >= num_tests)
151             single_test = atoi(name);
152     }
153 
154 
155     /* if only iteration is specified, assume we want the first test */
156     if (single_test == -1 && single_iter != -1)
157         single_test = 1;
158 
159     if (single_test != -1) {
160         if (single_test < 1 || single_test > num_tests) {
161             test_printf_stderr("Invalid -%s value "
162                                "(Value must be a valid test name OR a value between %d..%d)\n",
163                                testname, 1, num_tests);
164             return 0;
165         }
166     }
167     if (single_iter != -1) {
168         if (all_tests[single_test - 1].num == -1) {
169             test_printf_stderr("-%s option is not valid for test %d:%s\n",
170                                itname,
171                                single_test,
172                                all_tests[single_test - 1].test_case_name);
173             return 0;
174         } else if (single_iter < 1
175                    || single_iter > all_tests[single_test - 1].num) {
176             test_printf_stderr("Invalid -%s value for test %d:%s\t"
177                                "(Value must be in the range %d..%d)\n",
178                                itname, single_test,
179                                all_tests[single_test - 1].test_case_name,
180                                1, all_tests[single_test - 1].num);
181             return 0;
182         }
183     }
184     return 1;
185 }
186 
process_shared_options(void)187 static int process_shared_options(void)
188 {
189     OPTION_CHOICE_DEFAULT o;
190     int value;
191     int ret = -1;
192     char *flag_test = "";
193     char *flag_iter = "";
194     char *testname = NULL;
195 
196     opt_begin();
197     while ((o = opt_next()) != OPT_EOF) {
198         switch (o) {
199         /* Ignore any test options at this level */
200         default:
201             break;
202         case OPT_ERR:
203             return ret;
204         case OPT_TEST_HELP:
205             opt_help(test_get_options());
206             return 0;
207         case OPT_TEST_LIST:
208             show_list = 1;
209             break;
210         case OPT_TEST_SINGLE:
211             flag_test = opt_flag();
212             testname = opt_arg();
213             break;
214         case OPT_TEST_ITERATION:
215             flag_iter = opt_flag();
216             if (!opt_int(opt_arg(), &single_iter))
217                 goto end;
218             break;
219         case OPT_TEST_INDENT:
220             if (!opt_int(opt_arg(), &value))
221                 goto end;
222             level = 4 * value;
223             test_adjust_streams_tap_level(level);
224             break;
225         case OPT_TEST_SEED:
226             if (!opt_int(opt_arg(), &value))
227                 goto end;
228             set_seed(value);
229             break;
230         }
231     }
232     if (!check_single_test_params(testname, flag_test, flag_iter))
233         goto end;
234     ret = 1;
235 end:
236     return ret;
237 }
238 
239 
pulldown_test_framework(int ret)240 int pulldown_test_framework(int ret)
241 {
242     set_test_title(NULL);
243     return ret;
244 }
245 
finalize(int success)246 static void finalize(int success)
247 {
248     if (success)
249         ERR_clear_error();
250     else
251         ERR_print_errors_cb(openssl_error_cb, NULL);
252 }
253 
254 static char *test_title = NULL;
255 
set_test_title(const char * title)256 void set_test_title(const char *title)
257 {
258     free(test_title);
259     test_title = title == NULL ? NULL : strdup(title);
260 }
261 
test_verdict(int verdict,const char * description,...)262 PRINTF_FORMAT(2, 3) static void test_verdict(int verdict,
263                                              const char *description, ...)
264 {
265     va_list ap;
266 
267     test_flush_stdout();
268     test_flush_stderr();
269 
270     if (verdict == 0) {
271         if (rand_order)
272             test_printf_tapout("# OPENSSL_TEST_RAND_ORDER=%d\n", seed);
273         else
274             test_printf_tapout("# OPENSSL_TEST_RAND_SEED=%d\n", seed);
275     }
276     test_printf_tapout("%s ", verdict != 0 ? "ok" : "not ok");
277     va_start(ap, description);
278     test_vprintf_tapout(description, ap);
279     va_end(ap);
280     if (verdict == TEST_SKIP_CODE)
281         test_printf_tapout(" # skipped");
282     test_printf_tapout("\n");
283     test_flush_tapout();
284 }
285 
run_tests(const char * test_prog_name)286 int run_tests(const char *test_prog_name)
287 {
288     int num_failed = 0;
289     int verdict = 1;
290     int ii, i, jj, j, jstep;
291     int test_case_count = 0;
292     int subtest_case_count = 0;
293     int permute[OSSL_NELEM(all_tests)];
294 
295     i = process_shared_options();
296     if (i == 0)
297         return EXIT_SUCCESS;
298     if (i == -1)
299         return EXIT_FAILURE;
300 
301     if (num_tests < 1) {
302         test_printf_tapout("1..0 # Skipped: %s\n", test_prog_name);
303     } else if (show_list == 0 && single_test == -1) {
304         if (level > 0) {
305             test_printf_stdout("Subtest: %s\n", test_prog_name);
306             test_flush_stdout();
307         }
308         test_printf_tapout("1..%d\n", num_test_cases);
309     }
310 
311     test_flush_tapout();
312 
313     for (i = 0; i < num_tests; i++)
314         permute[i] = i;
315     if (rand_order != 0)
316         for (i = num_tests - 1; i >= 1; i--) {
317             j = test_random() % (1 + i);
318             ii = permute[j];
319             permute[j] = permute[i];
320             permute[i] = ii;
321         }
322 
323     for (ii = 0; ii != num_tests; ++ii) {
324         i = permute[ii];
325 
326         if (single_test != -1 && ((i+1) != single_test)) {
327             continue;
328         }
329         else if (show_list) {
330             if (all_tests[i].num != -1) {
331                 test_printf_tapout("%d - %s (%d..%d)\n", ii + 1,
332                                    all_tests[i].test_case_name, 1,
333                                    all_tests[i].num);
334             } else {
335                 test_printf_tapout("%d - %s\n", ii + 1,
336                                    all_tests[i].test_case_name);
337             }
338             test_flush_tapout();
339         } else if (all_tests[i].num == -1) {
340             set_test_title(all_tests[i].test_case_name);
341             ERR_clear_error();
342             verdict = all_tests[i].test_fn();
343             finalize(verdict != 0);
344             test_verdict(verdict, "%d - %s", test_case_count + 1, test_title);
345             if (verdict == 0)
346                 num_failed++;
347             test_case_count++;
348         } else {
349             verdict = TEST_SKIP_CODE;
350             set_test_title(all_tests[i].test_case_name);
351             if (all_tests[i].subtest) {
352                 level += 4;
353                 test_adjust_streams_tap_level(level);
354                 if (single_iter == -1) {
355                     test_printf_stdout("Subtest: %s\n", test_title);
356                     test_printf_tapout("%d..%d\n", 1, all_tests[i].num);
357                     test_flush_stdout();
358                     test_flush_tapout();
359                 }
360             }
361 
362             j = -1;
363             if (rand_order == 0 || all_tests[i].num < 3)
364                 jstep = 1;
365             else
366                 do
367                     jstep = test_random() % all_tests[i].num;
368                 while (jstep == 0 || gcd(all_tests[i].num, jstep) != 1);
369 
370             for (jj = 0; jj < all_tests[i].num; jj++) {
371                 int v;
372 
373                 j = (j + jstep) % all_tests[i].num;
374                 if (single_iter != -1 && ((jj + 1) != single_iter))
375                     continue;
376                 ERR_clear_error();
377                 v = all_tests[i].param_test_fn(j);
378 
379                 if (v == 0) {
380                     verdict = 0;
381                 } else if (v != TEST_SKIP_CODE && verdict != 0) {
382                     verdict = 1;
383                 }
384 
385                 finalize(v != 0);
386 
387                 if (all_tests[i].subtest)
388                     test_verdict(v, "%d - iteration %d",
389                                  subtest_case_count + 1, j + 1);
390                 else
391                     test_verdict(v, "%d - %s - iteration %d",
392                                  test_case_count + subtest_case_count + 1,
393                                  test_title, j + 1);
394                 subtest_case_count++;
395             }
396 
397             if (all_tests[i].subtest) {
398                 level -= 4;
399                 test_adjust_streams_tap_level(level);
400             }
401             if (verdict == 0)
402                 ++num_failed;
403             if (all_tests[i].num == -1 || all_tests[i].subtest)
404                 test_verdict(verdict, "%d - %s", test_case_count + 1,
405                              all_tests[i].test_case_name);
406             test_case_count++;
407         }
408     }
409     if (num_failed != 0)
410         return EXIT_FAILURE;
411     return EXIT_SUCCESS;
412 }
413 
414 /*
415  * Glue an array of strings together and return it as an allocated string.
416  * Optionally return the whole length of this string in |out_len|
417  */
glue_strings(const char * list[],size_t * out_len)418 char *glue_strings(const char *list[], size_t *out_len)
419 {
420     size_t len = 0;
421     char *p, *ret;
422     int i;
423 
424     for (i = 0; list[i] != NULL; i++)
425         len += strlen(list[i]);
426 
427     if (out_len != NULL)
428         *out_len = len;
429 
430     if (!TEST_ptr(ret = p = OPENSSL_malloc(len + 1)))
431         return NULL;
432 
433     for (i = 0; list[i] != NULL; i++)
434         p += strlen(strcpy(p, list[i]));
435 
436     return ret;
437 }
438 
test_mk_file_path(const char * dir,const char * file)439 char *test_mk_file_path(const char *dir, const char *file)
440 {
441 # ifndef OPENSSL_SYS_VMS
442     const char *sep = "/";
443 # else
444     const char *sep = "";
445     char *dir_end;
446     char dir_end_sep;
447 # endif
448     size_t dirlen = dir != NULL ? strlen(dir) : 0;
449     size_t len = dirlen + strlen(sep) + strlen(file) + 1;
450     char *full_file = OPENSSL_zalloc(len);
451 
452     if (full_file != NULL) {
453         if (dir != NULL && dirlen > 0) {
454             OPENSSL_strlcpy(full_file, dir, len);
455 # ifdef OPENSSL_SYS_VMS
456             /*
457              * If |file| contains a directory spec, we need to do some
458              * careful merging.
459              * "vol:[dir.dir]" + "[.certs]sm2-root.crt" should become
460              * "vol:[dir.dir.certs]sm2-root.crt"
461              */
462             dir_end = &full_file[strlen(full_file) - 1];
463             dir_end_sep = *dir_end;
464             if ((dir_end_sep == ']' || dir_end_sep == '>')
465                 && (file[0] == '[' || file[0] == '<')) {
466                 file++;
467                 if (file[0] == '.')
468                     *dir_end = '\0';
469                 else
470                     *dir_end = '.';
471             }
472 #else
473             OPENSSL_strlcat(full_file, sep, len);
474 #endif
475         }
476         OPENSSL_strlcat(full_file, file, len);
477     }
478 
479     return full_file;
480 }
481