protocol-xiselectevents.c [plain text]
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <stdint.h>
#include <X11/X.h>
#include <X11/Xproto.h>
#include <X11/extensions/XI2proto.h>
#include "inputstr.h"
#include "windowstr.h"
#include "extinit.h"
#include "scrnintstr.h"
#include "xiselectev.h"
#include "protocol-common.h"
#include <glib.h>
static unsigned char *data[4096 * 20];
int __wrap_XISetEventMask(DeviceIntPtr dev, WindowPtr win, int len, unsigned char* mask)
{
return Success;
}
int __wrap_dixLookupWindow(WindowPtr *win, XID id, ClientPtr client, Mask access)
{
if (id == root.drawable.id)
{
*win = &root;
return Success;
} else if (id == window.drawable.id)
{
*win = &window;
return Success;
}
return __real_dixLookupWindow(win, id, client, access);
}
static void request_XISelectEvent(xXISelectEventsReq *req, int error)
{
char n;
int i;
int rc;
ClientRec client;
xXIEventMask *mask, *next;
req->length = (sz_xXISelectEventsReq/4);
mask = (xXIEventMask*)&req[1];
for (i = 0; i < req->num_masks; i++)
{
req->length += sizeof(xXIEventMask)/4 + mask->mask_len;
mask = (xXIEventMask*)((char*)&mask[1] + mask->mask_len * 4);
}
client = init_client(req->length, req);
rc = ProcXISelectEvents(&client);
g_assert(rc == error);
client.swapped = TRUE;
mask = (xXIEventMask*)&req[1];
for (i = 0; i < req->num_masks; i++)
{
next = (xXIEventMask*)((char*)&mask[1] + mask->mask_len * 4);
swaps(&mask->deviceid, n);
swaps(&mask->mask_len, n);
mask = next;
}
swapl(&req->win, n);
swaps(&req->length, n);
swaps(&req->num_masks, n);
rc = SProcXISelectEvents(&client);
g_assert(rc == error);
}
static void request_XISelectEvents_masks(xXISelectEventsReq *req)
{
int i, j;
xXIEventMask *mask;
int nmasks = (XI2LASTEVENT + 7)/8;
unsigned char *bits;
mask = (xXIEventMask*)&req[1];
req->win = ROOT_WINDOW_ID;
for (i = 1; i <= 1000; i++)
{
req->num_masks = i;
mask->deviceid = XIAllDevices;
mask->mask_len = 0;
request_XISelectEvent(req, Success);
bits = (unsigned char*)&mask[1];
mask->mask_len = (nmasks + 3)/4 * 10;
memset(bits, 0, mask->mask_len * 4);
for (j = 0; j <= XI2LASTEVENT; j++)
{
SetBit(bits, j);
request_XISelectEvent(req, Success);
ClearBit(bits, j);
}
bits = (unsigned char*)&mask[1];
mask->mask_len = (nmasks + 3)/4 * 10;
memset(bits, 0, mask->mask_len * 4);
for (j = 0; j <= XI2LASTEVENT; j++)
{
SetBit(bits, j);
request_XISelectEvent(req, Success);
}
bits = (unsigned char*)&mask[1];
mask->mask_len = (nmasks + 3)/4 * 10;
memset(bits, 0, mask->mask_len * 4);
for (j = XI2LASTEVENT + 1; j < mask->mask_len * 4; j++)
{
SetBit(bits, j);
request_XISelectEvent(req, BadValue);
ClearBit(bits, j);
}
bits = (unsigned char*)&mask[1];
mask->mask_len = (nmasks + 3)/4;
memset(bits, 0, mask->mask_len * 4);
for (j = 0; j <= XI2LASTEVENT; j++)
{
SetBit(bits, j);
request_XISelectEvent(req, Success);
}
bits = (unsigned char*)&mask[1];
mask->mask_len = (nmasks + 3)/4;
memset(bits, 0, mask->mask_len * 4);
SetBit(bits, XI_HierarchyChanged);
mask->deviceid = XIAllDevices;
request_XISelectEvent(req, Success);
for (j = 1; j < devices.num_devices; j++)
{
mask->deviceid = j;
request_XISelectEvent(req, BadValue);
}
bits = (unsigned char*)&mask[1];
mask->mask_len = (nmasks + 3)/4;
memset(bits, 0, mask->mask_len * 4);
for (j = 0; j <= XI2LASTEVENT; j++)
SetBit(bits, j);
ClearBit(bits, XI_HierarchyChanged);
for (j = 1; j < 6; j++)
{
mask->deviceid = j;
request_XISelectEvent(req, Success);
}
mask = (xXIEventMask*)((char*)mask + sizeof(xXIEventMask) + mask->mask_len * 4);
}
}
static void test_XISelectEvents(void)
{
int i;
xXIEventMask *mask;
xXISelectEventsReq *req;
req = (xXISelectEventsReq*)data;
request_init(req, XISelectEvents);
g_test_message("Testing for BadValue on zero-length masks");
req->num_masks = 0;
req->win = None;
request_XISelectEvent(req, BadValue);
req->win = ROOT_WINDOW_ID;
request_XISelectEvent(req, BadValue);
req->win = CLIENT_WINDOW_ID;
request_XISelectEvent(req, BadValue);
g_test_message("Testing for BadWindow.");
req->win = None;
req->num_masks = 1;
request_XISelectEvent(req, BadWindow);
req->num_masks = 2;
request_XISelectEvent(req, BadWindow);
req->num_masks = 0xFF;
request_XISelectEvent(req, BadWindow);
req->num_masks = 0xFFFC;
request_XISelectEvent(req, BadWindow);
g_test_message("Triggering num_masks/length overflow");
req->win = ROOT_WINDOW_ID;
req->num_masks = 0xFFFF;
request_XISelectEvent(req, BadLength);
req->win = ROOT_WINDOW_ID;
req->num_masks = 1;
g_test_message("Triggering bogus mask length error");
mask = (xXIEventMask*)&req[1];
mask->deviceid = 0;
mask->mask_len = 0xFFFF;
request_XISelectEvent(req, BadLength);
g_test_message("Testing existing device ids.");
for (i = 0; i < 6; i++)
{
mask = (xXIEventMask*)&req[1];
mask->deviceid = i;
mask->mask_len = 1;
req->win = ROOT_WINDOW_ID;
req->num_masks = 1;
request_XISelectEvent(req, Success);
}
g_test_message("Testing non-existing device ids.");
for (i = 6; i <= 0xFFFF; i++)
{
req->win = ROOT_WINDOW_ID;
req->num_masks = 1;
mask = (xXIEventMask*)&req[1];
mask->deviceid = i;
mask->mask_len = 1;
request_XISelectEvent(req, BadDevice);
}
request_XISelectEvents_masks(req);
}
int main(int argc, char** argv)
{
g_test_init(&argc, &argv,NULL);
g_test_bug_base("https://bugzilla.freedesktop.org/show_bug.cgi?id=");
init_simple();
g_test_add_func("/xi2/protocol/XISelectEvents", test_XISelectEvents);
return g_test_run();
}