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authorAlan Coopersmith <alan.coopersmith@oracle.com>2013-03-17 17:12:10 -0700
committerAlan Coopersmith <alan.coopersmith@oracle.com>2013-03-30 20:31:13 -0700
commit3120dfd3d704a39c2b5ae080d8a0c746c4fd78ad (patch)
treefce9ef9736ec3828553151e78b7f630916245c90 /tests
parent8cb323ee62f6265c3204f13983d6a1a876829dc4 (diff)
Add libX11/XQueryFont test
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/libX11/Makefile.am1
-rw-r--r--tests/libX11/XQueryFont.c136
2 files changed, 137 insertions, 0 deletions
diff --git a/tests/libX11/Makefile.am b/tests/libX11/Makefile.am
index 7e3cda0..be86bef 100644
--- a/tests/libX11/Makefile.am
+++ b/tests/libX11/Makefile.am
@@ -22,6 +22,7 @@
#
noinst_PROGRAMS = XAllocColorCells
+noinst_PROGRAMS += XQueryFont
AM_CPPFLAGS = -I$(top_builddir) -I$(top_srcdir)/include
AM_CFLAGS = $(CWARNFLAGS) $(LIBX11_CFLAGS)
diff --git a/tests/libX11/XQueryFont.c b/tests/libX11/XQueryFont.c
new file mode 100644
index 0000000..364d596
--- /dev/null
+++ b/tests/libX11/XQueryFont.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2013, 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_CONFIG_H
+# include "config.h"
+#endif
+
+#include "xhiv.h"
+#include <X11/Xlib.h>
+#include <X11/Xproto.h>
+#include <assert.h>
+#include <stdio.h>
+
+static void
+testOverflowFields(void)
+{
+ /* Test integer overflow of .nCharInfos * sizeof(XCharStruct) */
+ const xQueryFontReply rep1 = {
+ .type = X_Reply,
+ .length = ((2 * SIZEOF(xCharInfo)) + SIZEOF(xQueryFontReply)
+ - SIZEOF(xReply)) >> 2,
+ .nFontProps = 0,
+ .nCharInfos = (UINT32_MAX / sizeof(XCharStruct)) + 2
+ };
+ /* Test reporting more properties than length allows for */
+ const xQueryFontReply rep2 = {
+ .type = X_Reply,
+ .length = (SIZEOF(xQueryFontReply) - SIZEOF(xReply)) >> 2,
+ .nFontProps = 32,
+ .nCharInfos = 0
+ };
+ /* Test reporting more characters than length allows for */
+ const xQueryFontReply rep3 = {
+ .type = X_Reply,
+ .length = (SIZEOF(xQueryFontReply) - SIZEOF(xReply)) >> 2,
+ .nFontProps = 0,
+ .nCharInfos = 32
+ };
+ /* Empty lists for initialization query */
+ const xQueryFontReply rep_init = {
+ .type = X_Reply,
+ .length = (SIZEOF(xQueryFontReply) - SIZEOF(xReply)) >> 2,
+ .nFontProps = 0,
+ .nCharInfos = 0
+ };
+ xhiv_response response_init = {
+ .next = NULL,
+ .reqType = X_QueryFont,
+ .reqMinor = XHIV_REQ_IGNORE,
+ .sequence = XHIV_SEQ_IGNORE,
+ .length = (SIZEOF(xQueryFontReply)) >> 2,
+ .response_data = &rep_init,
+ .response_datalen = sizeof(rep_init)
+ };
+ xhiv_response response3 = {
+ .next = &response_init,
+ .reqType = X_QueryFont,
+ .reqMinor = XHIV_REQ_IGNORE,
+ .sequence = 103,
+ .length = (SIZEOF(xQueryFontReply)) >> 2,
+ .response_data = &rep3,
+ .response_datalen = sizeof(rep3)
+ };
+ xhiv_response response2 = {
+ .next = &response3,
+ .reqType = X_QueryFont,
+ .reqMinor = XHIV_REQ_IGNORE,
+ .sequence = 102,
+ .length = (SIZEOF(xQueryFontReply)) >> 2,
+ .response_data = &rep2,
+ .response_datalen = sizeof(rep2)
+ };
+ xhiv_response response1 = {
+ .next = &response2,
+ .reqType = X_QueryFont,
+ .reqMinor = XHIV_REQ_IGNORE,
+ .sequence = 101,
+ .length = (SIZEOF(xQueryFontReply) + (2 * SIZEOF(xCharInfo))) >> 2,
+ .response_data = &rep1,
+ .response_datalen = sizeof(rep1)
+ };
+ Display *dpy = XhivOpenDisplay(&response1);
+ XFontStruct *font;
+
+ /* initial query to get Xlib to initialize XF86Bigfont extension hooks
+ so we don't have to count those requests in later sequences */
+ font = XQueryFont(dpy, 1);
+ assert(font != NULL);
+
+ /* set sequence to known value so that later calls match by sequence num */
+ XhivSequenceSync(dpy, 100);
+
+ printf("XQueryFont: overflow test - nCharInfos = 0x%lx\n",
+ (unsigned long) rep1.nCharInfos);
+ font = XQueryFont(dpy, 1);
+ assert(font == NULL);
+
+ printf("XQueryFont: overlength test - nFontProps = %d / length = %d\n",
+ rep2.nFontProps, rep2.length);
+ font = XQueryFont(dpy, 1);
+ assert(font == NULL);
+
+ printf("XQueryFont: overlength test - nCharInfos = %d / length = %d\n",
+ rep3.nCharInfos, rep3.length);
+ font = XQueryFont(dpy, 1);
+ assert(font == NULL);
+
+ XhivCloseDisplay(dpy);
+}
+
+int
+main(int argc, char **argv)
+{
+ testOverflowFields();
+ printf("XQueryFont: all tests passed\n");
+ return 0;
+}