void
vmware_set_clipboard(char *buf)
{
struct vm_backdoor frame;
uint32_t total, left;
if (debug) {
char visbuf[strlen(buf) * 4];
strnvis(visbuf, buf, sizeof(visbuf), VIS_TAB | VIS_NL | VIS_CSTYLE);
printf("vmware_set_clipboard: \"%s\"\n", visbuf);
}
if (!strlen(buf))
return;
bzero(&frame, sizeof(frame));
frame.eax.word = VM_MAGIC;
frame.ecx.part.low = VM_CMD_SET_CLIPBOARD_LEN;
frame.ecx.part.high = 0xffff;
frame.edx.part.low = VM_PORT_CMD;
frame.edx.part.high = 0;
frame.ebx.word = (uint32_t)strlen(buf);
vm_cmd(&frame);
total = left = strlen(buf);
for (;;) {
bzero(&frame, sizeof(frame));
frame.eax.word = VM_MAGIC;
frame.ecx.part.low = VM_CMD_SET_CLIPBOARD;
frame.ecx.part.high = 0xffff;
frame.edx.part.low = VM_PORT_CMD;
frame.edx.part.high = 0;
memcpy(&frame.ebx.word, buf + (total - left),
left > 4 ? 4 : left);
vm_cmd(&frame);
if (left <= 4)
break;
else
left -= 4;
}
return;
}
static bool
vmt_probe(uint32_t *type)
{
struct vm_backdoor frame;
memset(&frame, 0, sizeof(frame));
frame.eax.word = VM_MAGIC;
frame.ebx.word = ~VM_MAGIC;
frame.ecx.part.low = VM_CMD_GET_VERSION;
frame.ecx.part.high = 0xffff;
frame.edx.part.low = VM_PORT_CMD;
frame.edx.part.high = 0;
vm_cmd(&frame);
if (frame.eax.word == 0xffffffff ||
frame.ebx.word != VM_MAGIC)
return false;
if (type)
*type = frame.ecx.word;
return true;
}
void
vmware_get_mouse_position(void)
{
struct vm_backdoor frame;
int last_x = host_mouse_x;
int last_y = host_mouse_y;
int was_grabbed = mouse_grabbed;
bzero(&frame, sizeof(frame));
frame.eax.word = VM_MAGIC;
frame.ecx.part.low = VM_CMD_GET_MOUSEPOS;
frame.ecx.part.high = 0xffff;
frame.edx.part.low = VM_PORT_CMD;
frame.edx.part.high = 0;
vm_cmd(&frame);
host_mouse_x = frame.eax.word >> 16;
host_mouse_y = frame.eax.word & 0xffff;
if (host_mouse_x == VM_MOUSE_UNGRABBED_POS)
mouse_grabbed = 0;
else
mouse_grabbed = 1;
if (debug && ((last_x != host_mouse_x) || (last_y != host_mouse_y) ||
(was_grabbed != mouse_grabbed)))
printf("vmware_get_mouse_position: host cursor is at %d, %d (%s)\n",
host_mouse_x, host_mouse_y, (mouse_grabbed ? "grabbed"
: "ungrabbed"));
}
static void
vmt_sync_guest_clock(struct vmt_softc *sc)
{
struct vm_backdoor frame;
struct timespec ts;
memset(&frame, 0, sizeof(frame));
frame.eax.word = VM_MAGIC;
frame.ecx.part.low = VM_CMD_GET_TIME_FULL;
frame.edx.part.low = VM_PORT_CMD;
vm_cmd(&frame);
if (frame.eax.word != 0xffffffff) {
ts.tv_sec = ((uint64_t)frame.esi.word << 32) | frame.edx.word;
ts.tv_nsec = frame.ebx.word * 1000;
tc_setclock(&ts);
}
}
void
vmware_set_mouse_position(int x, int y)
{
struct vm_backdoor frame;
if (debug)
printf("vmware_set_mouse_position: setting to %d, %d\n", x, y);
bzero(&frame, sizeof(frame));
frame.eax.word = VM_MAGIC;
frame.ecx.part.low = VM_CMD_SET_MOUSEPOS;
frame.ecx.part.high = 0xffff;
frame.edx.part.low = VM_PORT_CMD;
frame.edx.part.high = 0;
frame.ebx.word = ((uint32_t)x << 16) | y;
vm_cmd(&frame);
}
void
vmware_check_version(void)
{
struct vm_backdoor frame;
bzero(&frame, sizeof(frame));
frame.eax.word = VM_MAGIC;
frame.ebx.word = ~VM_MAGIC;
frame.ecx.part.low = VM_CMD_GET_VERSION;
frame.ecx.part.high = 0xffff;
frame.edx.part.low = VM_PORT_CMD;
frame.edx.part.high = 0;
vm_cmd(&frame);
if (debug)
printf("vmware_check_version: received version 0x%x\n",
frame.eax.word);
if (frame.eax.word == 0xffffffff ||
frame.ebx.word != VM_MAGIC)
errx(1, "not running under vmware\n");
}
int
vmware_get_clipboard(char **buf)
{
struct vm_backdoor frame;
uint32_t total, left;
bzero(&frame, sizeof(frame));
frame.eax.word = VM_MAGIC;
frame.ecx.part.low = VM_CMD_GET_CLIPBOARD_LEN;
frame.ecx.part.high = 0xffff;
frame.edx.part.low = VM_PORT_CMD;
frame.edx.part.high = 0;
vm_cmd(&frame);
total = left = frame.eax.word;
if (total == 0 || total > 0xffff) {
if (debug)
printf("vmware_get_clipboard: nothing there\n");
return (0);
}
if (debug)
printf("vmware_get_clipboard: have %d byte%s to read\n",
total, (total == 1 ? "" : "s"));
if ((*buf = malloc(total + 1)) == NULL)
err(1, "malloc");
for (;;) {
bzero(&frame, sizeof(frame));
frame.eax.word = VM_MAGIC;
frame.ecx.part.low = VM_CMD_GET_CLIPBOARD;
frame.ecx.part.high = 0xffff;
frame.edx.part.low = VM_PORT_CMD;
frame.edx.part.high = 0;
vm_cmd(&frame);
memcpy(*buf + (total - left), &frame.eax.word,
left > 4 ? 4 : left);
if (left <= 4) {
buf[0][total] = '\0';
break;
} else
left -= 4;
}
if (debug) {
char visbuf[strlen(*buf) * 4];
strnvis(visbuf, *buf, sizeof(visbuf), VIS_TAB | VIS_NL | VIS_CSTYLE);
printf("vmware_get_clipboard: \"%s\"\n", visbuf);
}
return (1);
}
