Exemplo n.º 1
0
static void
tunclone(void *arg, char *name, int namelen, struct cdev **dev)
{
	int u, i;

	if (*dev != NULL)
		return;

	if (strcmp(name, TUNNAME) == 0) {
		u = -1;
	} else if (dev_stdclone(name, NULL, TUNNAME, &u) != 1)
		return;	/* Don't recognise the name */
	if (u != -1 && u > IF_MAXUNIT)
		return;	/* Unit number too high */

	/* find any existing device, or allocate new unit number */
	i = clone_create(&tunclones, &tun_cdevsw, &u, dev, 0);
	if (i) {
		/* No preexisting struct cdev *, create one */
		*dev = make_dev(&tun_cdevsw, unit2minor(u),
		    UID_UUCP, GID_DIALER, 0600, "tun%d", u);
		if (*dev != NULL)
			(*dev)->si_flags |= SI_CHEAPCLONE;
	}
}
Exemplo n.º 2
0
static void
nsmb_dev_clone(void *arg, char *name, int namelen, dev_t *dev)
{
	int min;

	if (*dev != NODEV)
		return;
	if (dev_stdclone(name, NULL, NSMB_NAME, &min) != 1)
		return;
	*dev = make_dev(&nsmb_cdevsw, min, 0, 0, 0600, NSMB_NAME"%d", min);
}
Exemplo n.º 3
0
/**
 * DEVFS event handler.
 */
static void vgdrvFreeBSDClone(void *pvArg, struct ucred *pCred, char *pszName, int cchName, struct cdev **ppDev)
{
    int iUnit;
    int rc;

    Log(("vgdrvFreeBSDClone: pszName=%s ppDev=%p\n", pszName, ppDev));

    /*
     * One device node per user, si_drv1 points to the session.
     * /dev/vboxguest<N> where N = {0...255}.
     */
    if (!ppDev)
        return;
    if (strcmp(pszName, "vboxguest") == 0)
        iUnit =  -1;
    else if (dev_stdclone(pszName, NULL, "vboxguest", &iUnit) != 1)
        return;
    if (iUnit >= 256)
    {
        Log(("vgdrvFreeBSDClone: iUnit=%d >= 256 - rejected\n", iUnit));
        return;
    }

    Log(("vgdrvFreeBSDClone: pszName=%s iUnit=%d\n", pszName, iUnit));

    rc = clone_create(&g_pvgdrvFreeBSDClones, &g_vgdrvFreeBSDChrDevSW, &iUnit, ppDev, 0);
    Log(("vgdrvFreeBSDClone: clone_create -> %d; iUnit=%d\n", rc, iUnit));
    if (rc)
    {
        *ppDev = make_dev(&g_vgdrvFreeBSDChrDevSW,
                          iUnit,
                          UID_ROOT,
                          GID_WHEEL,
                          0664,
                          "vboxguest%d", iUnit);
        if (*ppDev)
        {
            dev_ref(*ppDev);
            (*ppDev)->si_flags |= SI_CHEAPCLONE;
            Log(("vgdrvFreeBSDClone: Created *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
                     *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
            (*ppDev)->si_drv1 = (*ppDev)->si_drv2 = NULL;
        }
        else
            Log(("vgdrvFreeBSDClone: make_dev iUnit=%d failed\n", iUnit));
    }
    else
        Log(("vgdrvFreeBSDClone: Existing *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
             *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
}
Exemplo n.º 4
0
/**
 * DEVFS event handler.
 */
static void VBoxDrvFreeBSDClone(void *pvArg, struct ucred *pCred, char *pszName, int cchName, struct cdev **ppDev)
{
    int iUnit;
    int rc;

    Log(("VBoxDrvFreeBSDClone: pszName=%s ppDev=%p\n", pszName, ppDev));

    /*
     * One device node per user, si_drv1 points to the session.
     * /dev/vboxdrv<N> where N = {0...255}.
     */
    if (!ppDev)
        return;
    if (dev_stdclone(pszName, NULL, "vboxdrv", &iUnit) != 1)
        return;
    if (iUnit >= 256 || iUnit < 0)
    {
        Log(("VBoxDrvFreeBSDClone: iUnit=%d >= 256 - rejected\n", iUnit));
        return;
    }

    Log(("VBoxDrvFreeBSDClone: pszName=%s iUnit=%d\n", pszName, iUnit));

    rc = clone_create(&g_pVBoxDrvFreeBSDClones, &g_VBoxDrvFreeBSDChrDevSW, &iUnit, ppDev, 0);
    Log(("VBoxDrvFreeBSDClone: clone_create -> %d; iUnit=%d\n", rc, iUnit));
    if (rc)
    {
#if __FreeBSD_version > 800061
        *ppDev = make_dev(&g_VBoxDrvFreeBSDChrDevSW, iUnit, UID_ROOT, GID_WHEEL, VBOXDRV_PERM, "vboxdrv%d", iUnit);
#else
        *ppDev = make_dev(&g_VBoxDrvFreeBSDChrDevSW, unit2minor(iUnit), UID_ROOT, GID_WHEEL, VBOXDRV_PERM, "vboxdrv%d", iUnit);
#endif
        if (*ppDev)
        {
            dev_ref(*ppDev);
            (*ppDev)->si_flags |= SI_CHEAPCLONE;
            Log(("VBoxDrvFreeBSDClone: Created *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
                 *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
            (*ppDev)->si_drv1 = (*ppDev)->si_drv2 = NULL;
        }
        else
            OSDBGPRINT(("VBoxDrvFreeBSDClone: make_dev iUnit=%d failed\n", iUnit));
    }
    else
        Log(("VBoxDrvFreeBSDClone: Existing *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
             *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
}
Exemplo n.º 5
0
static void
nsmb_dev_clone(void *arg, struct ucred *cred, char *name, int namelen,
    struct cdev **dev)
{
	int i, u;

	if (*dev != NULL)
		return;

	if (strcmp(name, NSMB_NAME) == 0)
		u = -1;
	else if (dev_stdclone(name, NULL, NSMB_NAME, &u) != 1)
		return;
	i = clone_create(&nsmb_clones, &nsmb_cdevsw, &u, dev, 0);
	if (i)
		*dev = make_dev_credf(MAKEDEV_REF, &nsmb_cdevsw, u, cred,
		    UID_ROOT, GID_WHEEL, 0600, "%s%d", NSMB_NAME, u);
}
Exemplo n.º 6
0
static void
nsmb_dev_clone(void *arg, struct ucred *cred, char *name, int namelen,
    struct cdev **dev)
{
	int i, u;

	if (*dev != NULL)
		return;

	if (strcmp(name, NSMB_NAME) == 0)
		u = -1;
	else if (dev_stdclone(name, NULL, NSMB_NAME, &u) != 1)
		return;
	i = clone_create(&nsmb_clones, &nsmb_cdevsw, &u, dev, 0);
	if (i) {
		*dev = make_dev(&nsmb_cdevsw, u, UID_ROOT, GID_WHEEL, 0600,
		    "%s%d", NSMB_NAME, u);
		if (*dev != NULL) {
			dev_ref(*dev);
			(*dev)->si_flags |= SI_CHEAPCLONE;
		}
	}
}