disable some tests with 32-bit time_t systems

Also disable use of _mkgmtime, it does not produce correct results.

configure.ac

@@ -48,6 +48,9 @@ AM_CONDITIONAL([BUILD_CERTHASH], [test "x$ac_cv_func_symlink" = xyes])
 # Check if funopen exists
 AC_CHECK_FUNC([funopen])
 
+# Check if time_t is sized correctly
+AC_CHECK_SIZEOF([time_t], [time.h])
+
 CHECK_LIBC_COMPAT
 CHECK_SYSCALL_COMPAT
 CHECK_CRYPTO_COMPAT

crypto/Makefile.am

@@ -74,10 +74,8 @@ libcompat_la_SOURCES += compat/inet_pton.c
 endif
 
 if !HAVE_TIMEGM
-if !HAVE__MKGMTIME
 libcompat_la_SOURCES += compat/timegm.c
 endif
-endif
 
 if !HAVE_REALLOCARRAY
 libcompat_la_SOURCES += compat/reallocarray.c

include/compat/time.h

@@ -15,9 +15,5 @@
 #endif
 
 #ifndef HAVE_TIMEGM
-#ifdef  HAVE__MKGMTIME
-#define timegm(tm) _mkgmtime(tm)
-#else
 time_t timegm(struct tm *tm);
 #endif
-#endif

m4/check-libc.m4

@@ -17,7 +17,6 @@ AM_CONDITIONAL([HAVE_STRNLEN], [test "x$ac_cv_func_strnlen" = xyes])
 AM_CONDITIONAL([HAVE_STRSEP], [test "x$ac_cv_func_strsep" = xyes])
 AM_CONDITIONAL([HAVE_STRTONUM], [test "x$ac_cv_func_strtonum" = xyes])
 AM_CONDITIONAL([HAVE_TIMEGM], [test "x$ac_cv_func_timegm" = xyes])
-AM_CONDITIONAL([HAVE__MKGMTIME], [test "x$ac_cv_func__mkgmtime" = xyes])
 ])
 
 AC_DEFUN([CHECK_SYSCALL_COMPAT], [

patches/rfc5280.c.patch

@@ -0,0 +1,82 @@
+--- tests/rfc5280time.c.orig	Sat Oct 17 22:36:27 2015
++++ tests/rfc5280time.c	Sat Oct 17 22:44:25 2015
+@@ -91,6 +91,7 @@
+ 		.data = "20150923032700Z",
+ 		.time = 1442978820,
+ 	},
++#if SIZEOF_TIME_T == 8
+ 	{
+ 		/* (times before 2050 must be UTCTIME) Per RFC 5280 4.1.2.5 */
+ 		.str = "00000101000000Z",
+@@ -103,6 +104,7 @@
+ 		.data = "20491231235959Z",
+ 		.time = 2524607999,
+ 	},
++#endif
+ 	{
+ 		/* (times before 2050 must be UTCTIME) Per RFC 5280 4.1.2.5 */
+ 		.str = "19500101000000Z",
+@@ -112,6 +114,7 @@
+ };
+
+ struct rfc5280_time_test rfc5280_gentime_tests[] = {
++#if SIZEOF_TIME_T == 8
+ 	{
+ 		/* Biggest RFC 5280 time */
+ 		.str = "99991231235959Z",
+@@ -129,6 +132,7 @@
+ 		.data = "20500101000000Z",
+ 		.time =  2524608000,
+ 	},
++#endif
+ };
+ struct rfc5280_time_test rfc5280_utctime_tests[] = {
+ 	{
+@@ -141,11 +145,13 @@
+ 		.data = "540226230640Z",
+ 		.time = -500000000,
+ 	},
++#if SIZEOF_TIME_T == 8
+ 	{
+ 		.str = "491231235959Z",
+ 		.data = "491231235959Z",
+ 		.time = 2524607999,
+ 	},
++#endif
+ 	{
+ 		.str = "700101000000Z",
+ 		.data = "700101000000Z",
+@@ -273,14 +279,14 @@
+
+ 	if ((i = X509_cmp_time(gt, &att->time)) != -1) {
+ 		fprintf(stderr, "FAIL: test %i - X509_cmp_time failed - returned %d compared to %lld\n",
+-		    test_no, i, att->time);
++		    test_no, i, (long long)att->time);
+ 		goto done;
+ 	}
+
+ 	att->time--;
+ 	if ((i = X509_cmp_time(gt, &att->time)) != 1) {
+ 		fprintf(stderr, "FAIL: test %i - X509_cmp_time failed - returned %d compared to %lld\n",
+-		    test_no, i, att->time);
++		    test_no, i, (long long)att->time);
+ 		goto done;
+ 	}
+ 	att->time++;
+@@ -325,14 +331,14 @@
+
+ 	if ((i = X509_cmp_time(ut, &att->time)) != -1) {
+ 		fprintf(stderr, "FAIL: test %i - X509_cmp_time failed - returned %d compared to %lld\n",
+-		    test_no, i, att->time);
++		    test_no, i, (long long)att->time);
+ 		goto done;
+ 	}
+
+ 	att->time--;
+ 	if ((i = X509_cmp_time(ut, &att->time)) != 1) {
+ 		fprintf(stderr, "FAIL: test %i - X509_cmp_time failed - returned %d compared to %lld\n",
+-		    test_no, i, att->time);
++		    test_no, i, (long long)att->time);
+ 		goto done;
+ 	}
+ 	att->time++;