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-rw-r--r--regress/unittests/test_helper/Makefile15
-rw-r--r--regress/unittests/test_helper/fuzz.c438
-rw-r--r--regress/unittests/test_helper/test_helper.c548
-rw-r--r--regress/unittests/test_helper/test_helper.h320
4 files changed, 1321 insertions, 0 deletions
diff --git a/regress/unittests/test_helper/Makefile b/regress/unittests/test_helper/Makefile
new file mode 100644
index 0000000..78026e6
--- /dev/null
+++ b/regress/unittests/test_helper/Makefile
@@ -0,0 +1,15 @@
+# $OpenBSD: Makefile,v 1.3 2016/07/04 18:01:44 guenther Exp $
+
+LIB= test_helper
+SRCS= test_helper.c fuzz.c
+
+NOPROFILE= yes
+NOPIC= yes
+
+# Hack to allow building with SUBDIR in ../../Makefile
+regress: all
+
+install:
+ @echo -n
+
+.include <bsd.lib.mk>
diff --git a/regress/unittests/test_helper/fuzz.c b/regress/unittests/test_helper/fuzz.c
new file mode 100644
index 0000000..78b3665
--- /dev/null
+++ b/regress/unittests/test_helper/fuzz.c
@@ -0,0 +1,438 @@
+/* $OpenBSD: fuzz.c,v 1.8 2015/03/03 20:42:49 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 fuzz tests */
+
+#include "includes.h"
+
+#include <sys/types.h>
+#include <sys/uio.h>
+
+#include <assert.h>
+#include <ctype.h>
+#include <stdio.h>
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <unistd.h>
+
+#include "test_helper.h"
+#include "atomicio.h"
+
+/* #define FUZZ_DEBUG */
+
+#ifdef FUZZ_DEBUG
+# define FUZZ_DBG(x) do { \
+ printf("%s:%d %s: ", __FILE__, __LINE__, __func__); \
+ printf x; \
+ printf("\n"); \
+ fflush(stdout); \
+ } while (0)
+#else
+# define FUZZ_DBG(x)
+#endif
+
+/* For brevity later */
+typedef unsigned long long fuzz_ullong;
+
+/* For base-64 fuzzing */
+static const char fuzz_b64chars[] =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+struct fuzz {
+ /* Fuzz method currently in use */
+ int strategy;
+
+ /* Fuzz methods remaining */
+ int strategies;
+
+ /* Original seed data blob */
+ void *seed;
+ size_t slen;
+
+ /* Current working copy of seed with fuzz mutations applied */
+ u_char *fuzzed;
+
+ /* Used by fuzz methods */
+ size_t o1, o2;
+};
+
+static const char *
+fuzz_ntop(u_int n)
+{
+ switch (n) {
+ case 0:
+ return "NONE";
+ case FUZZ_1_BIT_FLIP:
+ return "FUZZ_1_BIT_FLIP";
+ case FUZZ_2_BIT_FLIP:
+ return "FUZZ_2_BIT_FLIP";
+ case FUZZ_1_BYTE_FLIP:
+ return "FUZZ_1_BYTE_FLIP";
+ case FUZZ_2_BYTE_FLIP:
+ return "FUZZ_2_BYTE_FLIP";
+ case FUZZ_TRUNCATE_START:
+ return "FUZZ_TRUNCATE_START";
+ case FUZZ_TRUNCATE_END:
+ return "FUZZ_TRUNCATE_END";
+ case FUZZ_BASE64:
+ return "FUZZ_BASE64";
+ default:
+ abort();
+ }
+}
+
+static int
+fuzz_fmt(struct fuzz *fuzz, char *s, size_t n)
+{
+ if (fuzz == NULL)
+ return -1;
+
+ switch (fuzz->strategy) {
+ case FUZZ_1_BIT_FLIP:
+ snprintf(s, n, "%s case %zu of %zu (bit: %zu)\n",
+ fuzz_ntop(fuzz->strategy),
+ fuzz->o1, fuzz->slen * 8, fuzz->o1);
+ return 0;
+ case FUZZ_2_BIT_FLIP:
+ snprintf(s, n, "%s case %llu of %llu (bits: %zu, %zu)\n",
+ fuzz_ntop(fuzz->strategy),
+ (((fuzz_ullong)fuzz->o2) * fuzz->slen * 8) + fuzz->o1,
+ ((fuzz_ullong)fuzz->slen * 8) * fuzz->slen * 8,
+ fuzz->o1, fuzz->o2);
+ return 0;
+ case FUZZ_1_BYTE_FLIP:
+ snprintf(s, n, "%s case %zu of %zu (byte: %zu)\n",
+ fuzz_ntop(fuzz->strategy),
+ fuzz->o1, fuzz->slen, fuzz->o1);
+ return 0;
+ case FUZZ_2_BYTE_FLIP:
+ snprintf(s, n, "%s case %llu of %llu (bytes: %zu, %zu)\n",
+ fuzz_ntop(fuzz->strategy),
+ (((fuzz_ullong)fuzz->o2) * fuzz->slen) + fuzz->o1,
+ ((fuzz_ullong)fuzz->slen) * fuzz->slen,
+ fuzz->o1, fuzz->o2);
+ return 0;
+ case FUZZ_TRUNCATE_START:
+ snprintf(s, n, "%s case %zu of %zu (offset: %zu)\n",
+ fuzz_ntop(fuzz->strategy),
+ fuzz->o1, fuzz->slen, fuzz->o1);
+ return 0;
+ case FUZZ_TRUNCATE_END:
+ snprintf(s, n, "%s case %zu of %zu (offset: %zu)\n",
+ fuzz_ntop(fuzz->strategy),
+ fuzz->o1, fuzz->slen, fuzz->o1);
+ return 0;
+ case FUZZ_BASE64:
+ assert(fuzz->o2 < sizeof(fuzz_b64chars) - 1);
+ snprintf(s, n, "%s case %llu of %llu (offset: %zu char: %c)\n",
+ fuzz_ntop(fuzz->strategy),
+ (fuzz->o1 * (fuzz_ullong)64) + fuzz->o2,
+ fuzz->slen * (fuzz_ullong)64, fuzz->o1,
+ fuzz_b64chars[fuzz->o2]);
+ return 0;
+ default:
+ return -1;
+ abort();
+ }
+}
+
+static void
+dump(u_char *p, size_t len)
+{
+ size_t i, j;
+
+ for (i = 0; i < len; i += 16) {
+ fprintf(stderr, "%.4zd: ", i);
+ for (j = i; j < i + 16; j++) {
+ if (j < len)
+ fprintf(stderr, "%02x ", p[j]);
+ else
+ fprintf(stderr, " ");
+ }
+ fprintf(stderr, " ");
+ for (j = i; j < i + 16; j++) {
+ if (j < len) {
+ if (isascii(p[j]) && isprint(p[j]))
+ fprintf(stderr, "%c", p[j]);
+ else
+ fprintf(stderr, ".");
+ }
+ }
+ fprintf(stderr, "\n");
+ }
+}
+
+void
+fuzz_dump(struct fuzz *fuzz)
+{
+ char buf[256];
+
+ if (fuzz_fmt(fuzz, buf, sizeof(buf)) != 0) {
+ fprintf(stderr, "%s: fuzz invalid\n", __func__);
+ abort();
+ }
+ fputs(buf, stderr);
+ fprintf(stderr, "fuzz original %p len = %zu\n", fuzz->seed, fuzz->slen);
+ dump(fuzz->seed, fuzz->slen);
+ fprintf(stderr, "fuzz context %p len = %zu\n", fuzz, fuzz_len(fuzz));
+ dump(fuzz_ptr(fuzz), fuzz_len(fuzz));
+}
+
+static struct fuzz *last_fuzz;
+
+static void
+siginfo(int unused __attribute__((__unused__)))
+{
+ char buf[256];
+
+ test_info(buf, sizeof(buf));
+ atomicio(vwrite, STDERR_FILENO, buf, strlen(buf));
+ if (last_fuzz != NULL) {
+ fuzz_fmt(last_fuzz, buf, sizeof(buf));
+ atomicio(vwrite, STDERR_FILENO, buf, strlen(buf));
+ }
+}
+
+struct fuzz *
+fuzz_begin(u_int strategies, const void *p, size_t l)
+{
+ struct fuzz *ret = calloc(sizeof(*ret), 1);
+
+ assert(p != NULL);
+ assert(ret != NULL);
+ ret->seed = malloc(l);
+ assert(ret->seed != NULL);
+ memcpy(ret->seed, p, l);
+ ret->slen = l;
+ ret->strategies = strategies;
+
+ assert(ret->slen < SIZE_MAX / 8);
+ assert(ret->strategies <= (FUZZ_MAX|(FUZZ_MAX-1)));
+
+ FUZZ_DBG(("begin, ret = %p", ret));
+
+ fuzz_next(ret);
+
+ last_fuzz = ret;
+#ifdef SIGINFO
+ signal(SIGINFO, siginfo);
+#endif
+ signal(SIGUSR1, siginfo);
+
+ return ret;
+}
+
+void
+fuzz_cleanup(struct fuzz *fuzz)
+{
+ FUZZ_DBG(("cleanup, fuzz = %p", fuzz));
+ last_fuzz = NULL;
+#ifdef SIGINFO
+ signal(SIGINFO, SIG_DFL);
+#endif
+ signal(SIGUSR1, SIG_DFL);
+ assert(fuzz != NULL);
+ assert(fuzz->seed != NULL);
+ assert(fuzz->fuzzed != NULL);
+ free(fuzz->seed);
+ free(fuzz->fuzzed);
+ free(fuzz);
+}
+
+static int
+fuzz_strategy_done(struct fuzz *fuzz)
+{
+ FUZZ_DBG(("fuzz = %p, strategy = %s, o1 = %zu, o2 = %zu, slen = %zu",
+ fuzz, fuzz_ntop(fuzz->strategy), fuzz->o1, fuzz->o2, fuzz->slen));
+
+ switch (fuzz->strategy) {
+ case FUZZ_1_BIT_FLIP:
+ return fuzz->o1 >= fuzz->slen * 8;
+ case FUZZ_2_BIT_FLIP:
+ return fuzz->o2 >= fuzz->slen * 8;
+ case FUZZ_2_BYTE_FLIP:
+ return fuzz->o2 >= fuzz->slen;
+ case FUZZ_1_BYTE_FLIP:
+ case FUZZ_TRUNCATE_START:
+ case FUZZ_TRUNCATE_END:
+ case FUZZ_BASE64:
+ return fuzz->o1 >= fuzz->slen;
+ default:
+ abort();
+ }
+}
+
+void
+fuzz_next(struct fuzz *fuzz)
+{
+ u_int i;
+
+ FUZZ_DBG(("start, fuzz = %p, strategy = %s, strategies = 0x%lx, "
+ "o1 = %zu, o2 = %zu, slen = %zu", fuzz, fuzz_ntop(fuzz->strategy),
+ (u_long)fuzz->strategies, fuzz->o1, fuzz->o2, fuzz->slen));
+
+ if (fuzz->strategy == 0 || fuzz_strategy_done(fuzz)) {
+ /* If we are just starting out, we need to allocate too */
+ if (fuzz->fuzzed == NULL) {
+ FUZZ_DBG(("alloc"));
+ fuzz->fuzzed = calloc(fuzz->slen, 1);
+ }
+ /* Pick next strategy */
+ FUZZ_DBG(("advance"));
+ for (i = 1; i <= FUZZ_MAX; i <<= 1) {
+ if ((fuzz->strategies & i) != 0) {
+ fuzz->strategy = i;
+ break;
+ }
+ }
+ FUZZ_DBG(("selected = %u", fuzz->strategy));
+ if (fuzz->strategy == 0) {
+ FUZZ_DBG(("done, no more strategies"));
+ return;
+ }
+ fuzz->strategies &= ~(fuzz->strategy);
+ fuzz->o1 = fuzz->o2 = 0;
+ }
+
+ assert(fuzz->fuzzed != NULL);
+
+ switch (fuzz->strategy) {
+ case FUZZ_1_BIT_FLIP:
+ assert(fuzz->o1 / 8 < fuzz->slen);
+ memcpy(fuzz->fuzzed, fuzz->seed, fuzz->slen);
+ fuzz->fuzzed[fuzz->o1 / 8] ^= 1 << (fuzz->o1 % 8);
+ fuzz->o1++;
+ break;
+ case FUZZ_2_BIT_FLIP:
+ assert(fuzz->o1 / 8 < fuzz->slen);
+ assert(fuzz->o2 / 8 < fuzz->slen);
+ memcpy(fuzz->fuzzed, fuzz->seed, fuzz->slen);
+ fuzz->fuzzed[fuzz->o1 / 8] ^= 1 << (fuzz->o1 % 8);
+ fuzz->fuzzed[fuzz->o2 / 8] ^= 1 << (fuzz->o2 % 8);
+ fuzz->o1++;
+ if (fuzz->o1 >= fuzz->slen * 8) {
+ fuzz->o1 = 0;
+ fuzz->o2++;
+ }
+ break;
+ case FUZZ_1_BYTE_FLIP:
+ assert(fuzz->o1 < fuzz->slen);
+ memcpy(fuzz->fuzzed, fuzz->seed, fuzz->slen);
+ fuzz->fuzzed[fuzz->o1] ^= 0xff;
+ fuzz->o1++;
+ break;
+ case FUZZ_2_BYTE_FLIP:
+ assert(fuzz->o1 < fuzz->slen);
+ assert(fuzz->o2 < fuzz->slen);
+ memcpy(fuzz->fuzzed, fuzz->seed, fuzz->slen);
+ fuzz->fuzzed[fuzz->o1] ^= 0xff;
+ fuzz->fuzzed[fuzz->o2] ^= 0xff;
+ fuzz->o1++;
+ if (fuzz->o1 >= fuzz->slen) {
+ fuzz->o1 = 0;
+ fuzz->o2++;
+ }
+ break;
+ case FUZZ_TRUNCATE_START:
+ case FUZZ_TRUNCATE_END:
+ assert(fuzz->o1 < fuzz->slen);
+ memcpy(fuzz->fuzzed, fuzz->seed, fuzz->slen);
+ fuzz->o1++;
+ break;
+ case FUZZ_BASE64:
+ assert(fuzz->o1 < fuzz->slen);
+ assert(fuzz->o2 < sizeof(fuzz_b64chars) - 1);
+ memcpy(fuzz->fuzzed, fuzz->seed, fuzz->slen);
+ fuzz->fuzzed[fuzz->o1] = fuzz_b64chars[fuzz->o2];
+ fuzz->o2++;
+ if (fuzz->o2 >= sizeof(fuzz_b64chars) - 1) {
+ fuzz->o2 = 0;
+ fuzz->o1++;
+ }
+ break;
+ default:
+ abort();
+ }
+
+ FUZZ_DBG(("done, fuzz = %p, strategy = %s, strategies = 0x%lx, "
+ "o1 = %zu, o2 = %zu, slen = %zu", fuzz, fuzz_ntop(fuzz->strategy),
+ (u_long)fuzz->strategies, fuzz->o1, fuzz->o2, fuzz->slen));
+}
+
+int
+fuzz_matches_original(struct fuzz *fuzz)
+{
+ if (fuzz_len(fuzz) != fuzz->slen)
+ return 0;
+ return memcmp(fuzz_ptr(fuzz), fuzz->seed, fuzz->slen) == 0;
+}
+
+int
+fuzz_done(struct fuzz *fuzz)
+{
+ FUZZ_DBG(("fuzz = %p, strategies = 0x%lx", fuzz,
+ (u_long)fuzz->strategies));
+
+ return fuzz_strategy_done(fuzz) && fuzz->strategies == 0;
+}
+
+size_t
+fuzz_len(struct fuzz *fuzz)
+{
+ assert(fuzz->fuzzed != NULL);
+ switch (fuzz->strategy) {
+ case FUZZ_1_BIT_FLIP:
+ case FUZZ_2_BIT_FLIP:
+ case FUZZ_1_BYTE_FLIP:
+ case FUZZ_2_BYTE_FLIP:
+ case FUZZ_BASE64:
+ return fuzz->slen;
+ case FUZZ_TRUNCATE_START:
+ case FUZZ_TRUNCATE_END:
+ assert(fuzz->o1 <= fuzz->slen);
+ return fuzz->slen - fuzz->o1;
+ default:
+ abort();
+ }
+}
+
+u_char *
+fuzz_ptr(struct fuzz *fuzz)
+{
+ assert(fuzz->fuzzed != NULL);
+ switch (fuzz->strategy) {
+ case FUZZ_1_BIT_FLIP:
+ case FUZZ_2_BIT_FLIP:
+ case FUZZ_1_BYTE_FLIP:
+ case FUZZ_2_BYTE_FLIP:
+ case FUZZ_BASE64:
+ return fuzz->fuzzed;
+ case FUZZ_TRUNCATE_START:
+ assert(fuzz->o1 <= fuzz->slen);
+ return fuzz->fuzzed + fuzz->o1;
+ case FUZZ_TRUNCATE_END:
+ assert(fuzz->o1 <= fuzz->slen);
+ return fuzz->fuzzed;
+ default:
+ abort();
+ }
+}
+
diff --git a/regress/unittests/test_helper/test_helper.c b/regress/unittests/test_helper/test_helper.c
new file mode 100644
index 0000000..4cc7085
--- /dev/null
+++ b/regress/unittests/test_helper/test_helper.c
@@ -0,0 +1,548 @@
+/* $OpenBSD: test_helper.c,v 1.8 2018/02/08 08:46:20 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 <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>
+
+#include <openssl/bn.h>
+
+#if defined(HAVE_STRNVIS) && defined(HAVE_VIS_H) && !defined(BROKEN_STRNVIS)
+# include <vis.h>
+#endif
+
+#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];
+
+int
+main(int argc, char **argv)
+{
+ int ch;
+
+ /* 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, "vqd:")) != -1) {
+ switch (ch) {
+ 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()
+{
+ return verbose_mode;
+}
+
+int
+test_is_quiet()
+{
+ return quiet_mode;
+}
+
+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)
+{
+ 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));
+ 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 : "");
+}
+
+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();
+}
+
+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;
+
+ 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);
+ fprintf(stderr, "%12s = %s (len %zu)\n", a1, tohex(aa1, MIN(l, 256)), l);
+ fprintf(stderr, "%12s = %s (len %zu)\n", a2, tohex(aa2, MIN(l, 256)), l);
+ 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];
+
+ 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);
+ fprintf(stderr, "%20s = %s%s (len %zu)\n", a1,
+ tohex(aa1, MIN(l, 20)), l > 20 ? "..." : "", l);
+ 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();
+}
+
diff --git a/regress/unittests/test_helper/test_helper.h b/regress/unittests/test_helper/test_helper.h
new file mode 100644
index 0000000..6da0066
--- /dev/null
+++ b/regress/unittests/test_helper/test_helper.h
@@ -0,0 +1,320 @@
+/* $OpenBSD: test_helper.h,v 1.8 2018/02/08 08:46:20 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 */
+
+#ifndef _TEST_HELPER_H
+#define _TEST_HELPER_H
+
+#include "includes.h"
+
+#include <sys/types.h>
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+
+#include <openssl/bn.h>
+#include <openssl/err.h>
+
+enum test_predicate {
+ TEST_EQ, TEST_NE, TEST_LT, TEST_LE, TEST_GT, TEST_GE
+};
+typedef void (test_onerror_func_t)(void *);
+
+/* Supplied by test suite */
+void tests(void);
+
+const char *test_data_file(const char *name);
+void test_start(const char *n);
+void test_info(char *s, size_t len);
+void set_onerror_func(test_onerror_func_t *f, void *ctx);
+void test_done(void);
+int test_is_verbose(void);
+int test_is_quiet(void);
+void test_subtest_info(const char *fmt, ...)
+ __attribute__((format(printf, 1, 2)));
+void ssl_err_check(const char *file, int line);
+void assert_bignum(const char *file, int line,
+ const char *a1, const char *a2,
+ const BIGNUM *aa1, const BIGNUM *aa2, enum test_predicate pred);
+void assert_string(const char *file, int line,
+ const char *a1, const char *a2,
+ const char *aa1, const char *aa2, enum test_predicate pred);
+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);
+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);
+void assert_int(const char *file, int line,
+ const char *a1, const char *a2,
+ int aa1, int aa2, enum test_predicate pred);
+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);
+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);
+void assert_long(const char *file, int line,
+ const char *a1, const char *a2,
+ long aa1, long aa2, enum test_predicate pred);
+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);
+void assert_char(const char *file, int line,
+ const char *a1, const char *a2,
+ char aa1, char aa2, enum test_predicate pred);
+void assert_ptr(const char *file, int line,
+ const char *a1, const char *a2,
+ const void *aa1, const void *aa2, enum test_predicate pred);
+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);
+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);
+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);
+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);
+
+#define TEST_START(n) test_start(n)
+#define TEST_DONE() test_done()
+#define TEST_ONERROR(f, c) set_onerror_func(f, c)
+#define SSL_ERR_CHECK() ssl_err_check(__FILE__, __LINE__)
+
+#define ASSERT_BIGNUM_EQ(a1, a2) \
+ assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+#define ASSERT_STRING_EQ(a1, a2) \
+ assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+#define ASSERT_MEM_EQ(a1, a2, l) \
+ assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_EQ)
+#define ASSERT_MEM_FILLED_EQ(a1, c, l) \
+ assert_mem_filled(__FILE__, __LINE__, #a1, a1, c, l, TEST_EQ)
+#define ASSERT_MEM_ZERO_EQ(a1, l) \
+ assert_mem_filled(__FILE__, __LINE__, #a1, a1, '\0', l, TEST_EQ)
+#define ASSERT_INT_EQ(a1, a2) \
+ assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+#define ASSERT_SIZE_T_EQ(a1, a2) \
+ assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+#define ASSERT_U_INT_EQ(a1, a2) \
+ assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+#define ASSERT_LONG_EQ(a1, a2) \
+ assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+#define ASSERT_LONG_LONG_EQ(a1, a2) \
+ assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+#define ASSERT_CHAR_EQ(a1, a2) \
+ assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+#define ASSERT_PTR_EQ(a1, a2) \
+ assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+#define ASSERT_U8_EQ(a1, a2) \
+ assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+#define ASSERT_U16_EQ(a1, a2) \
+ assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+#define ASSERT_U32_EQ(a1, a2) \
+ assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+#define ASSERT_U64_EQ(a1, a2) \
+ assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
+
+#define ASSERT_BIGNUM_NE(a1, a2) \
+ assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+#define ASSERT_STRING_NE(a1, a2) \
+ assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+#define ASSERT_MEM_NE(a1, a2, l) \
+ assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_NE)
+#define ASSERT_MEM_ZERO_NE(a1, l) \
+ assert_mem_filled(__FILE__, __LINE__, #a1, a1, '\0', l, TEST_NE)
+#define ASSERT_INT_NE(a1, a2) \
+ assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+#define ASSERT_SIZE_T_NE(a1, a2) \
+ assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+#define ASSERT_U_INT_NE(a1, a2) \
+ assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+#define ASSERT_LONG_NE(a1, a2) \
+ assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+#define ASSERT_LONG_LONG_NE(a1, a2) \
+ assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+#define ASSERT_CHAR_NE(a1, a2) \
+ assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+#define ASSERT_PTR_NE(a1, a2) \
+ assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+#define ASSERT_U8_NE(a1, a2) \
+ assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+#define ASSERT_U16_NE(a1, a2) \
+ assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+#define ASSERT_U32_NE(a1, a2) \
+ assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+#define ASSERT_U64_NE(a1, a2) \
+ assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
+
+#define ASSERT_BIGNUM_LT(a1, a2) \
+ assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+#define ASSERT_STRING_LT(a1, a2) \
+ assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+#define ASSERT_MEM_LT(a1, a2, l) \
+ assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_LT)
+#define ASSERT_INT_LT(a1, a2) \
+ assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+#define ASSERT_SIZE_T_LT(a1, a2) \
+ assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+#define ASSERT_U_INT_LT(a1, a2) \
+ assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+#define ASSERT_LONG_LT(a1, a2) \
+ assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+#define ASSERT_LONG_LONG_LT(a1, a2) \
+ assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+#define ASSERT_CHAR_LT(a1, a2) \
+ assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+#define ASSERT_PTR_LT(a1, a2) \
+ assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+#define ASSERT_U8_LT(a1, a2) \
+ assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+#define ASSERT_U16_LT(a1, a2) \
+ assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+#define ASSERT_U32_LT(a1, a2) \
+ assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+#define ASSERT_U64_LT(a1, a2) \
+ assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
+
+#define ASSERT_BIGNUM_LE(a1, a2) \
+ assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+#define ASSERT_STRING_LE(a1, a2) \
+ assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+#define ASSERT_MEM_LE(a1, a2, l) \
+ assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_LE)
+#define ASSERT_INT_LE(a1, a2) \
+ assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+#define ASSERT_SIZE_T_LE(a1, a2) \
+ assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+#define ASSERT_U_INT_LE(a1, a2) \
+ assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+#define ASSERT_LONG_LE(a1, a2) \
+ assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+#define ASSERT_LONG_LONG_LE(a1, a2) \
+ assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+#define ASSERT_CHAR_LE(a1, a2) \
+ assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+#define ASSERT_PTR_LE(a1, a2) \
+ assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+#define ASSERT_U8_LE(a1, a2) \
+ assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+#define ASSERT_U16_LE(a1, a2) \
+ assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+#define ASSERT_U32_LE(a1, a2) \
+ assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+#define ASSERT_U64_LE(a1, a2) \
+ assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
+
+#define ASSERT_BIGNUM_GT(a1, a2) \
+ assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+#define ASSERT_STRING_GT(a1, a2) \
+ assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+#define ASSERT_MEM_GT(a1, a2, l) \
+ assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_GT)
+#define ASSERT_INT_GT(a1, a2) \
+ assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+#define ASSERT_SIZE_T_GT(a1, a2) \
+ assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+#define ASSERT_U_INT_GT(a1, a2) \
+ assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+#define ASSERT_LONG_GT(a1, a2) \
+ assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+#define ASSERT_LONG_LONG_GT(a1, a2) \
+ assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+#define ASSERT_CHAR_GT(a1, a2) \
+ assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+#define ASSERT_PTR_GT(a1, a2) \
+ assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+#define ASSERT_U8_GT(a1, a2) \
+ assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+#define ASSERT_U16_GT(a1, a2) \
+ assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+#define ASSERT_U32_GT(a1, a2) \
+ assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+#define ASSERT_U64_GT(a1, a2) \
+ assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
+
+#define ASSERT_BIGNUM_GE(a1, a2) \
+ assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+#define ASSERT_STRING_GE(a1, a2) \
+ assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+#define ASSERT_MEM_GE(a1, a2, l) \
+ assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_GE)
+#define ASSERT_INT_GE(a1, a2) \
+ assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+#define ASSERT_SIZE_T_GE(a1, a2) \
+ assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+#define ASSERT_U_INT_GE(a1, a2) \
+ assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+#define ASSERT_LONG_GE(a1, a2) \
+ assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+#define ASSERT_LONG_LONG_GE(a1, a2) \
+ assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+#define ASSERT_CHAR_GE(a1, a2) \
+ assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+#define ASSERT_PTR_GE(a1, a2) \
+ assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+#define ASSERT_U8_GE(a1, a2) \
+ assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+#define ASSERT_U16_GE(a1, a2) \
+ assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+#define ASSERT_U32_GE(a1, a2) \
+ assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+#define ASSERT_U64_GE(a1, a2) \
+ assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
+
+/* Fuzzing support */
+
+struct fuzz;
+#define FUZZ_1_BIT_FLIP 0x00000001 /* Flip one bit at a time */
+#define FUZZ_2_BIT_FLIP 0x00000002 /* Flip two bits at a time */
+#define FUZZ_1_BYTE_FLIP 0x00000004 /* Flip one byte at a time */
+#define FUZZ_2_BYTE_FLIP 0x00000008 /* Flip two bytes at a time */
+#define FUZZ_TRUNCATE_START 0x00000010 /* Truncate from beginning */
+#define FUZZ_TRUNCATE_END 0x00000020 /* Truncate from end */
+#define FUZZ_BASE64 0x00000040 /* Try all base64 chars */
+#define FUZZ_MAX FUZZ_BASE64
+
+/* Start fuzzing a blob of data with selected strategies (bitmask) */
+struct fuzz *fuzz_begin(u_int strategies, const void *p, size_t l);
+
+/* Free a fuzz context */
+void fuzz_cleanup(struct fuzz *fuzz);
+
+/* Prepare the next fuzz case in the series */
+void fuzz_next(struct fuzz *fuzz);
+
+/*
+ * Check whether this fuzz case is identical to the original
+ * This is slow, but useful if the caller needs to ensure that all tests
+ * generated change the input (e.g. when fuzzing signatures).
+ */
+int fuzz_matches_original(struct fuzz *fuzz);
+
+/* Determine whether the current fuzz sequence is exhausted (nonzero = yes) */
+int fuzz_done(struct fuzz *fuzz);
+
+/* Return the length and a pointer to the current fuzzed case */
+size_t fuzz_len(struct fuzz *fuzz);
+u_char *fuzz_ptr(struct fuzz *fuzz);
+
+/* Dump the current fuzz case to stderr */
+void fuzz_dump(struct fuzz *fuzz);
+
+#endif /* _TEST_HELPER_H */