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/* $OpenBSD: test_helper.c,v 1.12 2019/08/02 01:41:24 djm Exp $ */
/*
* Copyright (c) 2011 Damien Miller <djm@mindrot.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* Utility functions/framework for regress tests */
#include "includes.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/uio.h>
#include <stdarg.h>
#include <fcntl.h>
#include <stdio.h>
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include <signal.h>
#ifdef WITH_OPENSSL
#include <openssl/bn.h>
#include <openssl/err.h>
#endif
#if defined(HAVE_STRNVIS) && defined(HAVE_VIS_H) && !defined(BROKEN_STRNVIS)
# include <vis.h>
#endif
#include "entropy.h"
#include "test_helper.h"
#include "atomicio.h"
#define TEST_CHECK_INT(r, pred) do { \
switch (pred) { \
case TEST_EQ: \
if (r == 0) \
return; \
break; \
case TEST_NE: \
if (r != 0) \
return; \
break; \
case TEST_LT: \
if (r < 0) \
return; \
break; \
case TEST_LE: \
if (r <= 0) \
return; \
break; \
case TEST_GT: \
if (r > 0) \
return; \
break; \
case TEST_GE: \
if (r >= 0) \
return; \
break; \
default: \
abort(); \
} \
} while (0)
#define TEST_CHECK(x1, x2, pred) do { \
switch (pred) { \
case TEST_EQ: \
if (x1 == x2) \
return; \
break; \
case TEST_NE: \
if (x1 != x2) \
return; \
break; \
case TEST_LT: \
if (x1 < x2) \
return; \
break; \
case TEST_LE: \
if (x1 <= x2) \
return; \
break; \
case TEST_GT: \
if (x1 > x2) \
return; \
break; \
case TEST_GE: \
if (x1 >= x2) \
return; \
break; \
default: \
abort(); \
} \
} while (0)
extern char *__progname;
static int verbose_mode = 0;
static int quiet_mode = 0;
static char *active_test_name = NULL;
static u_int test_number = 0;
static test_onerror_func_t *test_onerror = NULL;
static void *onerror_ctx = NULL;
static const char *data_dir = NULL;
static char subtest_info[512];
static int fast = 0;
static int slow = 0;
int
main(int argc, char **argv)
{
int ch;
seed_rng();
#ifdef WITH_OPENSSL
ERR_load_CRYPTO_strings();
#endif
/* Handle systems without __progname */
if (__progname == NULL) {
__progname = strrchr(argv[0], '/');
if (__progname == NULL || __progname[1] == '\0')
__progname = argv[0];
else
__progname++;
if ((__progname = strdup(__progname)) == NULL) {
fprintf(stderr, "strdup failed\n");
exit(1);
}
}
while ((ch = getopt(argc, argv, "Ffvqd:")) != -1) {
switch (ch) {
case 'F':
slow = 1;
break;
case 'f':
fast = 1;
break;
case 'd':
data_dir = optarg;
break;
case 'q':
verbose_mode = 0;
quiet_mode = 1;
break;
case 'v':
verbose_mode = 1;
quiet_mode = 0;
break;
default:
fprintf(stderr, "Unrecognised command line option\n");
fprintf(stderr, "Usage: %s [-v]\n", __progname);
exit(1);
}
}
setvbuf(stdout, NULL, _IONBF, 0);
if (!quiet_mode)
printf("%s: ", __progname);
if (verbose_mode)
printf("\n");
tests();
if (!quiet_mode)
printf(" %u tests ok\n", test_number);
return 0;
}
int
test_is_verbose(void)
{
return verbose_mode;
}
int
test_is_quiet(void)
{
return quiet_mode;
}
int
test_is_fast(void)
{
return fast;
}
int
test_is_slow(void)
{
return slow;
}
const char *
test_data_file(const char *name)
{
static char ret[PATH_MAX];
if (data_dir != NULL)
snprintf(ret, sizeof(ret), "%s/%s", data_dir, name);
else
strlcpy(ret, name, sizeof(ret));
if (access(ret, F_OK) != 0) {
fprintf(stderr, "Cannot access data file %s: %s\n",
ret, strerror(errno));
exit(1);
}
return ret;
}
void
test_info(char *s, size_t len)
{
snprintf(s, len, "In test %u: \"%s\"%s%s\n", test_number,
active_test_name == NULL ? "<none>" : active_test_name,
*subtest_info != '\0' ? " - " : "", subtest_info);
}
static void
siginfo(int unused __attribute__((__unused__)))
{
char buf[256];
test_info(buf, sizeof(buf));
atomicio(vwrite, STDERR_FILENO, buf, strlen(buf));
}
void
test_start(const char *n)
{
assert(active_test_name == NULL);
assert((active_test_name = strdup(n)) != NULL);
*subtest_info = '\0';
if (verbose_mode)
printf("test %u - \"%s\": ", test_number, active_test_name);
test_number++;
#ifdef SIGINFO
signal(SIGINFO, siginfo);
#endif
signal(SIGUSR1, siginfo);
}
void
set_onerror_func(test_onerror_func_t *f, void *ctx)
{
test_onerror = f;
onerror_ctx = ctx;
}
void
test_done(void)
{
*subtest_info = '\0';
assert(active_test_name != NULL);
free(active_test_name);
active_test_name = NULL;
if (verbose_mode)
printf("OK\n");
else if (!quiet_mode) {
printf(".");
fflush(stdout);
}
}
void
test_subtest_info(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vsnprintf(subtest_info, sizeof(subtest_info), fmt, ap);
va_end(ap);
}
void
ssl_err_check(const char *file, int line)
{
#ifdef WITH_OPENSSL
long openssl_error = ERR_get_error();
if (openssl_error == 0)
return;
fprintf(stderr, "\n%s:%d: uncaught OpenSSL error: %s",
file, line, ERR_error_string(openssl_error, NULL));
#else /* WITH_OPENSSL */
fprintf(stderr, "\n%s:%d: uncaught OpenSSL error ",
file, line);
#endif /* WITH_OPENSSL */
abort();
}
static const char *
pred_name(enum test_predicate p)
{
switch (p) {
case TEST_EQ:
return "EQ";
case TEST_NE:
return "NE";
case TEST_LT:
return "LT";
case TEST_LE:
return "LE";
case TEST_GT:
return "GT";
case TEST_GE:
return "GE";
default:
return "UNKNOWN";
}
}
static void
test_die(void)
{
if (test_onerror != NULL)
test_onerror(onerror_ctx);
abort();
}
static void
test_header(const char *file, int line, const char *a1, const char *a2,
const char *name, enum test_predicate pred)
{
fprintf(stderr, "\n%s:%d test #%u \"%s\"%s%s\n",
file, line, test_number, active_test_name,
*subtest_info != '\0' ? " - " : "", subtest_info);
fprintf(stderr, "ASSERT_%s_%s(%s%s%s) failed:\n",
name, pred_name(pred), a1,
a2 != NULL ? ", " : "", a2 != NULL ? a2 : "");
}
#ifdef WITH_OPENSSL
void
assert_bignum(const char *file, int line, const char *a1, const char *a2,
const BIGNUM *aa1, const BIGNUM *aa2, enum test_predicate pred)
{
int r = BN_cmp(aa1, aa2);
TEST_CHECK_INT(r, pred);
test_header(file, line, a1, a2, "BIGNUM", pred);
fprintf(stderr, "%12s = 0x%s\n", a1, BN_bn2hex(aa1));
fprintf(stderr, "%12s = 0x%s\n", a2, BN_bn2hex(aa2));
test_die();
}
#endif
void
assert_string(const char *file, int line, const char *a1, const char *a2,
const char *aa1, const char *aa2, enum test_predicate pred)
{
int r;
/* Verify pointers are not NULL */
assert_ptr(file, line, a1, "NULL", aa1, NULL, TEST_NE);
assert_ptr(file, line, a2, "NULL", aa2, NULL, TEST_NE);
r = strcmp(aa1, aa2);
TEST_CHECK_INT(r, pred);
test_header(file, line, a1, a2, "STRING", pred);
fprintf(stderr, "%12s = %s (len %zu)\n", a1, aa1, strlen(aa1));
fprintf(stderr, "%12s = %s (len %zu)\n", a2, aa2, strlen(aa2));
test_die();
}
static char *
tohex(const void *_s, size_t l)
{
u_int8_t *s = (u_int8_t *)_s;
size_t i, j;
const char *hex = "0123456789abcdef";
char *r = malloc((l * 2) + 1);
assert(r != NULL);
for (i = j = 0; i < l; i++) {
r[j++] = hex[(s[i] >> 4) & 0xf];
r[j++] = hex[s[i] & 0xf];
}
r[j] = '\0';
return r;
}
void
assert_mem(const char *file, int line, const char *a1, const char *a2,
const void *aa1, const void *aa2, size_t l, enum test_predicate pred)
{
int r;
char *aa1_tohex = NULL;
char *aa2_tohex = NULL;
if (l == 0)
return;
/* If length is >0, then verify pointers are not NULL */
assert_ptr(file, line, a1, "NULL", aa1, NULL, TEST_NE);
assert_ptr(file, line, a2, "NULL", aa2, NULL, TEST_NE);
r = memcmp(aa1, aa2, l);
TEST_CHECK_INT(r, pred);
test_header(file, line, a1, a2, "STRING", pred);
aa1_tohex = tohex(aa1, MIN(l, 256));
aa2_tohex = tohex(aa2, MIN(l, 256));
fprintf(stderr, "%12s = %s (len %zu)\n", a1, aa1_tohex, l);
fprintf(stderr, "%12s = %s (len %zu)\n", a2, aa2_tohex, l);
free(aa1_tohex);
free(aa2_tohex);
test_die();
}
static int
memvalcmp(const u_int8_t *s, u_char v, size_t l, size_t *where)
{
size_t i;
for (i = 0; i < l; i++) {
if (s[i] != v) {
*where = i;
return 1;
}
}
return 0;
}
void
assert_mem_filled(const char *file, int line, const char *a1,
const void *aa1, u_char v, size_t l, enum test_predicate pred)
{
size_t where = -1;
int r;
char tmp[64];
char *aa1_tohex = NULL;
if (l == 0)
return;
/* If length is >0, then verify the pointer is not NULL */
assert_ptr(file, line, a1, "NULL", aa1, NULL, TEST_NE);
r = memvalcmp(aa1, v, l, &where);
TEST_CHECK_INT(r, pred);
test_header(file, line, a1, NULL, "MEM_ZERO", pred);
aa1_tohex = tohex(aa1, MIN(l, 20));
fprintf(stderr, "%20s = %s%s (len %zu)\n", a1,
aa1_tohex, l > 20 ? "..." : "", l);
free(aa1_tohex);
snprintf(tmp, sizeof(tmp), "(%s)[%zu]", a1, where);
fprintf(stderr, "%20s = 0x%02x (expected 0x%02x)\n", tmp,
((u_char *)aa1)[where], v);
test_die();
}
void
assert_int(const char *file, int line, const char *a1, const char *a2,
int aa1, int aa2, enum test_predicate pred)
{
TEST_CHECK(aa1, aa2, pred);
test_header(file, line, a1, a2, "INT", pred);
fprintf(stderr, "%12s = %d\n", a1, aa1);
fprintf(stderr, "%12s = %d\n", a2, aa2);
test_die();
}
void
assert_size_t(const char *file, int line, const char *a1, const char *a2,
size_t aa1, size_t aa2, enum test_predicate pred)
{
TEST_CHECK(aa1, aa2, pred);
test_header(file, line, a1, a2, "SIZE_T", pred);
fprintf(stderr, "%12s = %zu\n", a1, aa1);
fprintf(stderr, "%12s = %zu\n", a2, aa2);
test_die();
}
void
assert_u_int(const char *file, int line, const char *a1, const char *a2,
u_int aa1, u_int aa2, enum test_predicate pred)
{
TEST_CHECK(aa1, aa2, pred);
test_header(file, line, a1, a2, "U_INT", pred);
fprintf(stderr, "%12s = %u / 0x%x\n", a1, aa1, aa1);
fprintf(stderr, "%12s = %u / 0x%x\n", a2, aa2, aa2);
test_die();
}
void
assert_long(const char *file, int line, const char *a1, const char *a2,
long aa1, long aa2, enum test_predicate pred)
{
TEST_CHECK(aa1, aa2, pred);
test_header(file, line, a1, a2, "LONG", pred);
fprintf(stderr, "%12s = %ld / 0x%lx\n", a1, aa1, aa1);
fprintf(stderr, "%12s = %ld / 0x%lx\n", a2, aa2, aa2);
test_die();
}
void
assert_long_long(const char *file, int line, const char *a1, const char *a2,
long long aa1, long long aa2, enum test_predicate pred)
{
TEST_CHECK(aa1, aa2, pred);
test_header(file, line, a1, a2, "LONG LONG", pred);
fprintf(stderr, "%12s = %lld / 0x%llx\n", a1, aa1, aa1);
fprintf(stderr, "%12s = %lld / 0x%llx\n", a2, aa2, aa2);
test_die();
}
void
assert_char(const char *file, int line, const char *a1, const char *a2,
char aa1, char aa2, enum test_predicate pred)
{
char buf[8];
TEST_CHECK(aa1, aa2, pred);
test_header(file, line, a1, a2, "CHAR", pred);
fprintf(stderr, "%12s = '%s' / 0x02%x\n", a1,
vis(buf, aa1, VIS_SAFE|VIS_NL|VIS_TAB|VIS_OCTAL, 0), aa1);
fprintf(stderr, "%12s = '%s' / 0x02%x\n", a1,
vis(buf, aa2, VIS_SAFE|VIS_NL|VIS_TAB|VIS_OCTAL, 0), aa2);
test_die();
}
void
assert_u8(const char *file, int line, const char *a1, const char *a2,
u_int8_t aa1, u_int8_t aa2, enum test_predicate pred)
{
TEST_CHECK(aa1, aa2, pred);
test_header(file, line, a1, a2, "U8", pred);
fprintf(stderr, "%12s = 0x%02x %u\n", a1, aa1, aa1);
fprintf(stderr, "%12s = 0x%02x %u\n", a2, aa2, aa2);
test_die();
}
void
assert_u16(const char *file, int line, const char *a1, const char *a2,
u_int16_t aa1, u_int16_t aa2, enum test_predicate pred)
{
TEST_CHECK(aa1, aa2, pred);
test_header(file, line, a1, a2, "U16", pred);
fprintf(stderr, "%12s = 0x%04x %u\n", a1, aa1, aa1);
fprintf(stderr, "%12s = 0x%04x %u\n", a2, aa2, aa2);
test_die();
}
void
assert_u32(const char *file, int line, const char *a1, const char *a2,
u_int32_t aa1, u_int32_t aa2, enum test_predicate pred)
{
TEST_CHECK(aa1, aa2, pred);
test_header(file, line, a1, a2, "U32", pred);
fprintf(stderr, "%12s = 0x%08x %u\n", a1, aa1, aa1);
fprintf(stderr, "%12s = 0x%08x %u\n", a2, aa2, aa2);
test_die();
}
void
assert_u64(const char *file, int line, const char *a1, const char *a2,
u_int64_t aa1, u_int64_t aa2, enum test_predicate pred)
{
TEST_CHECK(aa1, aa2, pred);
test_header(file, line, a1, a2, "U64", pred);
fprintf(stderr, "%12s = 0x%016llx %llu\n", a1,
(unsigned long long)aa1, (unsigned long long)aa1);
fprintf(stderr, "%12s = 0x%016llx %llu\n", a2,
(unsigned long long)aa2, (unsigned long long)aa2);
test_die();
}
void
assert_ptr(const char *file, int line, const char *a1, const char *a2,
const void *aa1, const void *aa2, enum test_predicate pred)
{
TEST_CHECK(aa1, aa2, pred);
test_header(file, line, a1, a2, "PTR", pred);
fprintf(stderr, "%12s = %p\n", a1, aa1);
fprintf(stderr, "%12s = %p\n", a2, aa2);
test_die();
}