Add request length checking test cases for some Xinput 1.x requests

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>

configure.ac

@@ -2621,6 +2621,7 @@ hw/kdrive/linux/Makefile
 hw/kdrive/src/Makefile
 hw/xwayland/Makefile
 test/Makefile
+test/xi1/Makefile
 test/xi2/Makefile
 xserver.ent
 xorg-server.pc

test/Makefile.am

@@ -4,7 +4,7 @@ noinst_PROGRAMS = list string
 if XORG
 # Tests that require at least some DDX functions in order to fully link
 # For now, requires xf86 ddx, could be adjusted to use another
-SUBDIRS += xi2
+SUBDIRS += xi1 xi2
 noinst_PROGRAMS += xkb input xtest misc fixes xfree86 os signal-logging touch
 if RES
 noinst_PROGRAMS += hashtabletest

test/xi1/Makefile.am

@@ -0,0 +1,34 @@
+if ENABLE_UNIT_TESTS
+if HAVE_LD_WRAP
+noinst_PROGRAMS =  \
+	protocol-xchangedevicecontrol
+
+TESTS=$(noinst_PROGRAMS)
+TESTS_ENVIRONMENT = $(XORG_MALLOC_DEBUG_ENV)
+
+AM_CFLAGS = $(DIX_CFLAGS) @XORG_CFLAGS@
+AM_CPPFLAGS = @XORG_INCS@ -I$(srcdir)/../xi2
+TEST_LDADD=../libxservertest.la $(XORG_SYS_LIBS) $(XSERVER_SYS_LIBS) $(GLX_SYS_LIBS)
+COMMON_SOURCES=$(srcdir)/../xi2/protocol-common.c
+
+if SPECIAL_DTRACE_OBJECTS
+TEST_LDADD += $(OS_LIB) $(DIX_LIB)
+endif
+
+protocol_xchangedevicecontrol_LDADD=$(TEST_LDADD)
+
+protocol_xchangedevicecontrol_LDFLAGS=$(AM_LDFLAGS) -Wl,-wrap,WriteToClient
+
+protocol_xchangedevicecontrol_SOURCES=$(COMMON_SOURCES) protocol-xchangedevicecontrol.c
+
+else
+# Print that xi1-tests were skipped (exit code 77 for automake test harness)
+TESTS = xi1-tests
+CLEANFILES = $(TESTS)
+
+xi1-tests:
+	@echo 'echo "ld -wrap support required for xi1 unit tests, skipping"' > $@
+	@echo 'exit 77' >> $@
+	$(AM_V_GEN)chmod +x $@
+endif
+endif

test/xi1/protocol-xchangedevicecontrol.c

@@ -0,0 +1,122 @@
+/**
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+/*
+ * Protocol testing for ChangeDeviceControl request.
+ */
+#include <stdint.h>
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include <X11/extensions/XIproto.h>
+#include "inputstr.h"
+#include "chgdctl.h"
+
+#include "protocol-common.h"
+
+static ClientRec client_request;
+
+static void
+reply_ChangeDeviceControl(ClientPtr client, int len, char *data, void *userdata)
+{
+    xChangeDeviceControlReply *rep = (xChangeDeviceControlReply *) data;
+
+    if (client->swapped) {
+        swapl(&rep->length);
+        swaps(&rep->sequenceNumber);
+    }
+
+    reply_check_defaults(rep, len, ChangeDeviceControl);
+
+    /* XXX: check status code in reply */
+}
+
+static void
+request_ChangeDeviceControl(ClientPtr client, xChangeDeviceControlReq * req,
+                            xDeviceCtl *ctl, int error)
+{
+    int rc;
+
+    client_request.req_len = req->length;
+    rc = ProcXChangeDeviceControl(&client_request);
+    assert(rc == error);
+
+    /* XXX: ChangeDeviceControl doesn't seem to fill in errorValue to check */
+
+    client_request.swapped = TRUE;
+    swaps(&req->length);
+    swaps(&req->control);
+    swaps(&ctl->length);
+    swaps(&ctl->control);
+    /* XXX: swap other contents of ctl, depending on type */
+    rc = SProcXChangeDeviceControl(&client_request);
+    assert(rc == error);
+}
+
+static unsigned char *data[4096];       /* the request buffer */
+
+static void
+test_ChangeDeviceControl(void)
+{
+    xChangeDeviceControlReq *request = (xChangeDeviceControlReq *) data;
+    xDeviceCtl *control = (xDeviceCtl *) (&request[1]);
+
+    request_init(request, ChangeDeviceControl);
+
+    reply_handler = reply_ChangeDeviceControl;
+
+    client_request = init_client(request->length, request);
+
+    printf("Testing invalid lengths:\n");
+    printf(" -- no control struct\n");
+    request_ChangeDeviceControl(&client_request, request, control, BadLength);
+
+    printf(" -- xDeviceResolutionCtl\n");
+    request_init(request, ChangeDeviceControl);
+    request->control = DEVICE_RESOLUTION;
+    control->length = (sizeof(xDeviceResolutionCtl) >> 2);
+    request->length += control->length - 2;
+    request_ChangeDeviceControl(&client_request, request, control, BadLength);
+
+    printf(" -- xDeviceEnableCtl\n");
+    request_init(request, ChangeDeviceControl);
+    request->control = DEVICE_ENABLE;
+    control->length = (sizeof(xDeviceEnableCtl) >> 2);
+    request->length += control->length - 2;
+    request_ChangeDeviceControl(&client_request, request, control, BadLength);
+
+    /* XXX: Test functionality! */
+}
+
+int
+main(int argc, char **argv)
+{
+    init_simple();
+
+    test_ChangeDeviceControl();
+
+    return 0;
+}