Check OPENSSL_gmtime_diff

It's test code that only runs on 64bit time_t machines.
Move it to a standalone test/gmdifftest

Reviewed-by: Richard Levitte <levitte@openssl.org>

crypto/o_time.c

@@ -378,63 +378,3 @@ static void julian_to_date(long jd, int *y, int *m, int *d)
     *m = j + 2 - (12 * L);
     *y = 100 * (n - 49) + i + L;
 }
-
-#ifdef OPENSSL_TIME_TEST
-
-# include <stdio.h>
-
-/*
- * Time checking test code. Check times are identical for a wide range of
- * offsets. This should be run on a machine with 64 bit time_t or it will
- * trigger the very errors the routines fix.
- */
-
-int main(int argc, char **argv)
-{
-    long offset;
-    for (offset = 0; offset < 1000000; offset++) {
-        check_time(offset);
-        check_time(-offset);
-        check_time(offset * 1000);
-        check_time(-offset * 1000);
-    }
-}
-
-int check_time(long offset)
-{
-    struct tm tm1, tm2, o1;
-    int off_day, off_sec;
-    long toffset;
-    time_t t1, t2;
-    time(&t1);
-    t2 = t1 + offset;
-    OPENSSL_gmtime(&t2, &tm2);
-    OPENSSL_gmtime(&t1, &tm1);
-    o1 = tm1;
-    OPENSSL_gmtime_adj(&tm1, 0, offset);
-    if ((tm1.tm_year != tm2.tm_year) ||
-        (tm1.tm_mon != tm2.tm_mon) ||
-        (tm1.tm_mday != tm2.tm_mday) ||
-        (tm1.tm_hour != tm2.tm_hour) ||
-        (tm1.tm_min != tm2.tm_min) || (tm1.tm_sec != tm2.tm_sec)) {
-        fprintf(stderr, "TIME ERROR!!\n");
-        fprintf(stderr, "Time1: %d/%d/%d, %d:%02d:%02d\n",
-                tm2.tm_mday, tm2.tm_mon + 1, tm2.tm_year + 1900,
-                tm2.tm_hour, tm2.tm_min, tm2.tm_sec);
-        fprintf(stderr, "Time2: %d/%d/%d, %d:%02d:%02d\n",
-                tm1.tm_mday, tm1.tm_mon + 1, tm1.tm_year + 1900,
-                tm1.tm_hour, tm1.tm_min, tm1.tm_sec);
-        return 0;
-    }
-    OPENSSL_gmtime_diff(&o1, &tm1, &off_day, &off_sec);
-    toffset = (long)off_day *SECS_PER_DAY + off_sec;
-    if (offset != toffset) {
-        fprintf(stderr, "TIME OFFSET ERROR!!\n");
-        fprintf(stderr, "Expected %ld, Got %ld (%d:%d)\n",
-                offset, toffset, off_day, off_sec);
-        return 0;
-    }
-    return 1;
-}
-
-#endif

test/Makefile

@@ -34,6 +34,7 @@ ECTEST=		ectest
 ECDSATEST=	ecdsatest
 ECDHTEST=	ecdhtest
 EXPTEST=	exptest
+GMDIFFTEST=	gmdifftest
 IDEATEST=	ideatest
 SHA1TEST=	sha1test
 SHA256TEST=	sha256t
@@ -78,7 +79,7 @@ SSLSKEWITH0PTEST=	sslskewith0ptest.pl
 
 TESTS=		alltests
 
-EXE=	$(BNTEST)$(EXE_EXT) $(ECTEST)$(EXE_EXT)  $(ECDSATEST)$(EXE_EXT) $(ECDHTEST)$(EXE_EXT) $(IDEATEST)$(EXE_EXT) \
+EXE=	$(BNTEST)$(EXE_EXT) $(ECTEST)$(EXE_EXT)  $(ECDSATEST)$(EXE_EXT) $(ECDHTEST)$(EXE_EXT) $(GMDIFFTEST)$(EXE_EXT) $(IDEATEST)$(EXE_EXT) \
 	$(MD2TEST)$(EXE_EXT)  $(MD4TEST)$(EXE_EXT) $(MD5TEST)$(EXE_EXT) $(HMACTEST)$(EXE_EXT) $(WPTEST)$(EXE_EXT) \
 	$(RC2TEST)$(EXE_EXT) $(RC4TEST)$(EXE_EXT) $(RC5TEST)$(EXE_EXT) \
 	$(DESTEST)$(EXE_EXT) $(SHA1TEST)$(EXE_EXT) $(SHA256TEST)$(EXE_EXT) $(SHA512TEST)$(EXE_EXT) \
@@ -96,7 +97,7 @@ EXE=	$(BNTEST)$(EXE_EXT) $(ECTEST)$(EXE_EXT)  $(ECDSATEST)$(EXE_EXT) $(ECDHTEST)
 
 # $(METHTEST)$(EXE_EXT)
 
-OBJ=	$(BNTEST).o $(ECTEST).o  $(ECDSATEST).o $(ECDHTEST).o $(IDEATEST).o \
+OBJ=	$(BNTEST).o $(ECTEST).o  $(ECDSATEST).o $(ECDHTEST).o $(GMDIFFTEST).o $(IDEATEST).o \
 	$(MD2TEST).o $(MD4TEST).o $(MD5TEST).o \
 	$(HMACTEST).o $(WPTEST).o \
 	$(RC2TEST).o $(RC4TEST).o $(RC5TEST).o \
@@ -109,7 +110,7 @@ OBJ=	$(BNTEST).o $(ECTEST).o  $(ECDSATEST).o $(ECDHTEST).o $(IDEATEST).o \
 	$(CONSTTIMETEST).o $(VERIFYEXTRATEST).o $(CLIENTHELLOTEST).o \
 	$(PACKETTEST).o testutil.o
 
-SRC=	$(BNTEST).c $(ECTEST).c  $(ECDSATEST).c $(ECDHTEST).c $(IDEATEST).c \
+SRC=	$(BNTEST).c $(ECTEST).c  $(ECDSATEST).c $(ECDHTEST).c $(GMDIFFTEST).c $(IDEATEST).c \
 	$(MD2TEST).c  $(MD4TEST).c $(MD5TEST).c \
 	$(HMACTEST).c $(WPTEST).c \
 	$(RC2TEST).c $(RC4TEST).c $(RC5TEST).c \
@@ -150,7 +151,7 @@ apps:
 	@(cd ..; $(MAKE) DIRS=apps all)
 
 alltests: \
-	test_des test_idea test_sha test_md4 test_md5 test_hmac \
+	test_des test_gmdiff test_idea test_sha test_md4 test_md5 test_hmac \
 	test_md2 test_mdc2 test_wp \
 	test_rmd test_rc2 test_rc4 test_rc5 test_bf test_cast \
 	test_rand test_bn test_ec test_ecdsa test_ecdh \
@@ -179,6 +180,10 @@ test_des: $(DESTEST)$(EXE_EXT)
 	@echo $(START) $@
 	../util/shlib_wrap.sh ./$(DESTEST)
 
+test_gmdiff: $(GMDIFFTEST)$(EXE_EXT)
+	@echo $(START) $@
+	../util/shlib_wrap.sh ./$(GMDIFFTEST)
+
 test_idea: $(IDEATEST)$(EXE_EXT)
 	@echo $(START) $@
 	../util/shlib_wrap.sh ./$(IDEATEST)
@@ -496,6 +501,9 @@ $(EXPTEST)$(EXE_EXT): $(EXPTEST).o $(DLIBCRYPTO)
 $(IDEATEST)$(EXE_EXT): $(IDEATEST).o $(DLIBCRYPTO)
 	@target=$(IDEATEST); $(BUILD_CMD)
 
+$(GMDIFFTEST)$(EXE_EXT): $(GMDIFFTEST).o $(DLIBCRYPTO)
+	@target=$(GMDIFFTEST); $(BUILD_CMD)
+
 $(MD2TEST)$(EXE_EXT): $(MD2TEST).o $(DLIBCRYPTO)
 	@target=$(MD2TEST); $(BUILD_CMD)
 
@@ -794,6 +802,11 @@ exptest.o: ../include/openssl/opensslconf.h ../include/openssl/opensslv.h
 exptest.o: ../include/openssl/ossl_typ.h ../include/openssl/rand.h
 exptest.o: ../include/openssl/safestack.h ../include/openssl/stack.h
 exptest.o: ../include/openssl/symhacks.h exptest.c
+gmdifftest.o: ../include/openssl/crypto.h ../include/openssl/e_os2.h
+gmdifftest.o: ../include/openssl/opensslconf.h ../include/openssl/opensslv.h
+gmdifftest.o: ../include/openssl/ossl_typ.h ../include/openssl/safestack.h
+gmdifftest.o: ../include/openssl/stack.h ../include/openssl/symhacks.h
+gmdifftest.o: gmdifftest.c
 gost2814789test.o: ../e_os.h ../engines/ccgost/gost89.h
 gost2814789test.o: ../include/openssl/asn1.h ../include/openssl/bio.h
 gost2814789test.o: ../include/openssl/buffer.h ../include/openssl/conf.h

test/gmdifftest.c

@@ -0,0 +1,126 @@
+/* ====================================================================
+ * Copyright (c) 2001-2015 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <openssl/crypto.h>
+#include <stdio.h>
+
+#define SECS_PER_DAY (24 * 60 * 60)
+
+/*
+ * Time checking test code. Check times are identical for a wide range of
+ * offsets. This should be run on a machine with 64 bit time_t or it will
+ * trigger the very errors the routines fix.
+ */
+
+static int check_time(long offset)
+{
+    struct tm tm1, tm2, o1;
+    int off_day, off_sec;
+    long toffset;
+    time_t t1, t2;
+    time(&t1);
+
+    t2 = t1 + offset;
+    OPENSSL_gmtime(&t2, &tm2);
+    OPENSSL_gmtime(&t1, &tm1);
+    o1 = tm1;
+    OPENSSL_gmtime_adj(&tm1, 0, offset);
+    if ((tm1.tm_year != tm2.tm_year) ||
+        (tm1.tm_mon != tm2.tm_mon) ||
+        (tm1.tm_mday != tm2.tm_mday) ||
+        (tm1.tm_hour != tm2.tm_hour) ||
+        (tm1.tm_min != tm2.tm_min) || (tm1.tm_sec != tm2.tm_sec)) {
+        fprintf(stderr, "TIME ERROR!!\n");
+        fprintf(stderr, "Time1: %d/%d/%d, %d:%02d:%02d\n",
+                tm2.tm_mday, tm2.tm_mon + 1, tm2.tm_year + 1900,
+                tm2.tm_hour, tm2.tm_min, tm2.tm_sec);
+        fprintf(stderr, "Time2: %d/%d/%d, %d:%02d:%02d\n",
+                tm1.tm_mday, tm1.tm_mon + 1, tm1.tm_year + 1900,
+                tm1.tm_hour, tm1.tm_min, tm1.tm_sec);
+        return 0;
+    }
+    if (!OPENSSL_gmtime_diff(&off_day, &off_sec, &o1, &tm1))
+        return 0;
+    toffset = (long)off_day *SECS_PER_DAY + off_sec;
+    if (offset != toffset) {
+        fprintf(stderr, "TIME OFFSET ERROR!!\n");
+        fprintf(stderr, "Expected %ld, Got %ld (%d:%d)\n",
+                offset, toffset, off_day, off_sec);
+        return 0;
+    }
+    return 1;
+}
+
+int main(int argc, char **argv)
+{
+    long offset;
+    int fails;
+
+    if (sizeof(time_t) < 8) {
+        fprintf(stderr, "Skipping; time_t is less than 64-bits\n");
+        return 0;
+    }
+    for (fails = 0, offset = 0; offset < 1000000; offset++) {
+        if (!check_time(offset))
+            fails++;
+        if (!check_time(-offset))
+            fails++;
+        if (!check_time(offset * 1000))
+            fails++;
+        if (!check_time(-offset * 1000))
+            fails++;
+    }
+
+    return fails ? 1 : 0;
+}