static char *
CodeSetGetModulePath(uint32 priv)
{
char path[PATH_MAX];
Bool ret = FALSE;
#if defined(__APPLE__)
uint32_t size;
#else
ssize_t size;
uid_t uid = -1;
#endif
if ((priv != HGMP_PRIVILEGE) && (priv != HGMP_NO_PRIVILEGE)) {
return NULL;
}
#if defined(__APPLE__)
size = sizeof path;
if (_NSGetExecutablePath(path, &size)) {
goto exit;
}
#else
#if defined(VMX86_SERVER)
if (HostType_OSIsPureVMK()) {
goto exit;
}
#endif
if (priv == HGMP_PRIVILEGE) {
uid = Id_BeginSuperUser();
}
size = readlink("/proc/self/exe", path, sizeof path);
if (-1 == size) {
if (priv == HGMP_PRIVILEGE) {
Id_EndSuperUser(uid);
}
goto exit;
}
path[size] = '\0';
if (priv == HGMP_PRIVILEGE) {
Id_EndSuperUser(uid);
}
#endif
ret = TRUE;
exit:
if (ret) {
return strdup(path);
} else {
return NULL;
}
}
Bool
DnD_InitializeBlocking(DnDBlockControl *blkCtrl) // OUT
{
uid_t uid;
int blockFd;
/* Root access is needed for opening the vmblock device. */
uid = Id_BeginSuperUser();
/* Fitrst try FUSE and see if it is available. */
blockFd = DnD_TryInitVmblock(VMBLOCK_FUSE_FS_NAME, VMBLOCK_FUSE_MOUNT_POINT,
VMBLOCK_FUSE_DEVICE, VMBLOCK_FUSE_DEVICE_MODE,
DnD_CheckBlockFuse);
if (blockFd != -1) {
blkCtrl->fd = blockFd;
/* Setup FUSE methods. */
blkCtrl->blockRoot = VMBLOCK_FUSE_FS_ROOT;
blkCtrl->AddBlock = DnD_AddBlockFuse;
blkCtrl->RemoveBlock = DnD_RemoveBlockFuse;
goto out;
}
/* Now try OS-specific VMBlock driver. */
blockFd = DnD_TryInitVmblock(VMBLOCK_FS_NAME, VMBLOCK_MOUNT_POINT,
VMBLOCK_DEVICE, VMBLOCK_DEVICE_MODE,
NULL);
if (blockFd != -1) {
blkCtrl->fd = blockFd;
/* Setup legacy in-kernel methods. */
blkCtrl->blockRoot = VMBLOCK_FS_ROOT;
blkCtrl->AddBlock = DnD_AddBlockLegacy;
blkCtrl->RemoveBlock = DnD_RemoveBlockLegacy;
goto out;
}
LOG(4, ("%s: could not find vmblock mounted\n", __func__));
out:
Id_EndSuperUser(uid);
return blockFd != -1;
}