Add ASYNC tests

Add a suite of tests for the ASYNC_* functions
Reviewed-by: NRich Salz <rsalz@openssl.org>

test/Makefile

@@ -78,6 +78,7 @@ SSLVERTOLTEST=	sslvertoltest
 SSLEXTENSIONTEST=	sslextensiontest
 SSLSESSIONTICKTEST= 	sslsessionticktest
 SSLSKEWITH0PTEST=	sslskewith0ptest
+ASYNCTEST=	asynctest
 
 TESTS=		alltests
 
@@ -97,7 +98,7 @@ EXE=	$(NPTEST)$(EXE_EXT) $(BNTEST)$(EXE_EXT) $(ECTEST)$(EXE_EXT) \
 	$(SRPTEST)$(EXE_EXT) $(V3NAMETEST)$(EXE_EXT) \
 	$(HEARTBEATTEST)$(EXE_EXT) $(P5_CRPT2_TEST)$(EXE_EXT) \
 	$(CONSTTIMETEST)$(EXE_EXT) $(VERIFYEXTRATEST)$(EXE_EXT) \
-	$(CLIENTHELLOTEST)$(EXE_EXT) $(PACKETTEST)$(EXE_EXT)
+	$(CLIENTHELLOTEST)$(EXE_EXT) $(PACKETTEST)$(EXE_EXT) $(ASYNCTEST)$(EXE_EXT)
 
 # $(METHTEST)$(EXE_EXT)
 
@@ -113,7 +114,7 @@ OBJ=	$(NPTEST).o $(BNTEST).o $(ECTEST).o \
 	$(EVPTEST).o $(EVPEXTRATEST).o $(IGETEST).o $(JPAKETEST).o $(V3NAMETEST).o \
 	$(GOST2814789TEST).o $(HEARTBEATTEST).o $(P5_CRPT2_TEST).o \
 	$(CONSTTIMETEST).o $(VERIFYEXTRATEST).o $(CLIENTHELLOTEST).o \
-	$(PACKETTEST).o testutil.o
+	$(PACKETTEST).o $(ASYNCTEST).o testutil.o
 
 SRC=	$(NPTEST).c $(BNTEST).c $(ECTEST).c \
 	$(ECDSATEST).c $(ECDHTEST).c $(GMDIFFTEST).c $(PBELUTEST).c $(IDEATEST).c \
@@ -126,7 +127,7 @@ SRC=	$(NPTEST).c $(BNTEST).c $(ECTEST).c \
 	$(EVPTEST).c $(EVPEXTRATEST).c $(IGETEST).c $(JPAKETEST).c $(V3NAMETEST).c \
 	$(GOST2814789TEST).c $(HEARTBEATTEST).c $(P5_CRPT2_TEST).c \
 	$(CONSTTIMETEST).c $(VERIFYEXTRATEST).c $(CLIENTHELLOTEST).c \
-	$(PACKETTEST).c testutil.c
+	$(PACKETTEST).c $(ASYNCTEST).c testutil.c
 
 HEADER=	testutil.h
 
@@ -364,6 +365,9 @@ $(CLIENTHELLOTEST)$(EXE_EXT): $(CLIENTHELLOTEST).o
 $(PACKETTEST)$(EXE_EXT): $(PACKETTEST).o
 	@target=$(PACKETTEST) $(BUILD_CMD)
 
+$(ASYNCTEST)$(EXE_EXT): $(ASYNCTEST).o
+	@target=$(ASYNCTEST) $(BUILD_CMD)
+
 #$(AESTEST).o: $(AESTEST).c
 #	$(CC) -c $(CFLAGS) -DINTERMEDIATE_VALUE_KAT -DTRACE_KAT_MCT $(AESTEST).c
 

test/asynctest.c

+/* test/asynctest.c */
+/*
+ * Written by Matt Caswell for the OpenSSL project.
+ */
+/* ====================================================================
+ * Copyright (c) 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
+ *    openssl-core@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 <stdio.h>
+#include <string.h>
+#include <openssl/async.h>
+#include <openssl/crypto.h>
+#include <../apps/apps.h>
+
+#ifdef OPENSSL_SYS_UNIX
+# include <unistd.h>
+# if _POSIX_VERSION >= 200112L
+#  define ASYNC_POSIX
+# endif
+#elif (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL)
+# define ASYNC_WIN
+#endif
+
+#if !defined(ASYNC_POSIX) && !defined(ASYNC_WIN)
+# define ASYNC_NULL
+#endif
+
+static int ctr = 0;
+static ASYNC_JOB *currjob = NULL;
+
+static int only_pause(void *args)
+{
+    ASYNC_pause_job();
+
+    return 1;
+}
+
+static int add_two(void *args)
+{
+    ctr++;
+    ASYNC_pause_job();
+    ctr++;
+
+    return 2;
+}
+
+static int save_current(void *args)
+{
+    currjob = ASYNC_get_current_job();
+    ASYNC_pause_job();
+
+    return 1;
+}
+
+static int wake(void *args)
+{
+    ASYNC_pause_job();
+    ASYNC_wake(ASYNC_get_current_job());
+    ASYNC_pause_job();
+    ASYNC_clear_wake(ASYNC_get_current_job());
+
+    return 1;
+}
+
+static int test_ASYNC_init_pool()
+{
+    ASYNC_JOB *job1 = NULL, *job2 = NULL, *job3 = NULL;
+    int funcret1, funcret2, funcret3;
+
+    if (       !ASYNC_init_pool(2, 0)
+            || ASYNC_start_job(&job1, &funcret1, only_pause, NULL, 0)
+                != ASYNC_PAUSE
+            || ASYNC_start_job(&job2, &funcret2, only_pause, NULL, 0)
+                != ASYNC_PAUSE
+            || ASYNC_start_job(&job3, &funcret3, only_pause, NULL, 0)
+                != ASYNC_NO_JOBS
+            || ASYNC_start_job(&job1, &funcret1, only_pause, NULL, 0)
+                != ASYNC_FINISH
+            || ASYNC_start_job(&job3, &funcret3, only_pause, NULL, 0)
+                != ASYNC_PAUSE
+            || ASYNC_start_job(&job2, &funcret2, only_pause, NULL, 0)
+                != ASYNC_FINISH
+            || ASYNC_start_job(&job3, &funcret3, only_pause, NULL, 0)
+                != ASYNC_FINISH
+            || funcret1 != 1
+            || funcret2 != 1
+            || funcret3 != 1) {
+        fprintf(stderr, "test_ASYNC_init_pool() failed\n");
+        ASYNC_free_pool();
+        return 0;
+    }
+
+    ASYNC_free_pool();
+    return 1;
+}
+
+static int test_ASYNC_start_job()
+{
+    ASYNC_JOB *job = NULL;
+    int funcret;
+
+    ctr = 0;
+
+    if (       !ASYNC_init_pool(1, 0)
+            || ASYNC_start_job(&job, &funcret, add_two, NULL, 0) != ASYNC_PAUSE
+            || ctr != 1
+            || ASYNC_start_job(&job, &funcret, add_two, NULL, 0) != ASYNC_FINISH
+            || ctr != 2
+            || funcret != 2) {
+        fprintf(stderr, "test_ASYNC_start_job() failed\n");
+        ASYNC_free_pool();
+        return 0;
+    }
+
+    ASYNC_free_pool();
+    return 1;
+}
+
+static int test_ASYNC_get_current_job()
+{
+    ASYNC_JOB *job = NULL;
+    int funcret;
+
+    currjob = NULL;
+
+    if (       !ASYNC_init_pool(1, 0)
+            || ASYNC_start_job(&job, &funcret, save_current, NULL, 0)
+                != ASYNC_PAUSE
+            || currjob != job
+            || ASYNC_start_job(&job, &funcret, save_current, NULL, 0)
+                != ASYNC_FINISH
+            || funcret != 1) {
+        fprintf(stderr, "test_ASYNC_get_current_job() failed\n");
+        ASYNC_free_pool();
+        return 0;
+    }
+
+    ASYNC_free_pool();
+    return 1;
+}
+
+static int hasdata(int fd)
+{
+    fd_set checkfds;
+    struct timeval tv;
+    FD_ZERO(&checkfds);
+    openssl_fdset(fd, &checkfds);
+    memset(&tv, 0, sizeof tv);
+    if (select(fd + 1, (void *)&checkfds, NULL, NULL, &tv) < 0)
+        return -1;
+    if (FD_ISSET(fd, &checkfds))
+        return 1;
+    return 0;
+}
+
+static int test_ASYNC_get_wait_fd()
+{
+    ASYNC_JOB *job = NULL;
+    int funcret, fd;
+
+    currjob = NULL;
+
+    if (       !ASYNC_init_pool(1, 0)
+            || ASYNC_start_job(&job, &funcret, wake, NULL, 0)
+                != ASYNC_PAUSE
+            || (fd = ASYNC_get_wait_fd(job)) < 0
+            || hasdata(fd) != 0
+            || ASYNC_start_job(&job, &funcret, save_current, NULL, 0)
+                != ASYNC_PAUSE
+            || hasdata(fd) != 1
+            || (ASYNC_clear_wake(job), 0)
+            || hasdata(fd) != 0
+            || (ASYNC_wake(job), 0)
+            || hasdata(fd) != 1
+            || ASYNC_start_job(&job, &funcret, save_current, NULL, 0)
+                != ASYNC_FINISH
+            || funcret != 1) {
+        fprintf(stderr, "test_ASYNC_get_wait_fd() failed\n");
+        ASYNC_free_pool();
+        return 0;
+    }
+
+    ASYNC_free_pool();
+    return 1;
+}
+
+int main(int argc, char **argv)
+{
+
+#ifdef ASYNC_NULL
+    fprintf(stderr, "NULL implementation - skipping async tests\n");
+#else
+    CRYPTO_malloc_debug_init();
+    CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
+    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+
+    if (       !test_ASYNC_init_pool()
+            || !test_ASYNC_start_job()
+            || !test_ASYNC_get_current_job()
+            || !test_ASYNC_get_wait_fd()) {
+        return 1;
+    }
+#endif
+    printf("PASS\n");
+    return 0;
+}

test/recipes/90-test_async.t

+#!/usr/bin/perl
+
+use OpenSSL::Test::Simple;
+
+simple_test("test_async", "asynctest", "async");