Exemplo n.º 1
0
static int
nsmb_close2(smb_dev_t *sdp, cred_t *cr)
{
	struct smb_vc *vcp;
	struct smb_share *ssp;

	if (sdp->sd_smbfid != -1)
		(void) smb_usr_closefh(sdp, cr);

	ssp = sdp->sd_share;
	if (ssp != NULL)
		smb_share_rele(ssp);

	vcp = sdp->sd_vc;
	if (vcp != NULL) {
		/*
		 * If this dev minor was opened by smbiod,
		 * mark this VC as "dead" because it now
		 * will have no IOD to service it.
		 */
		if (sdp->sd_flags & NSMBFL_IOD)
			smb_iod_disconnect(vcp);
		smb_vc_rele(vcp);
	}

	return (0);
}
Exemplo n.º 2
0
static int
nsmb_dev_close(struct cdev *dev, int flag, int fmt, struct thread *td)
{
	struct smb_dev *sdp;
	struct smb_vc *vcp;
	struct smb_share *ssp;
	struct smb_cred *scred;
	int s;

	scred = malloc(sizeof(struct smb_cred), M_NSMBDEV, M_WAITOK);
	SMB_CHECKMINOR(dev);
	s = splimp();
	if ((sdp->sd_flags & NSMBFL_OPEN) == 0) {
		splx(s);
		free(scred, M_NSMBDEV);
		return EBADF;
	}
	smb_makescred(scred, td, NULL);
	ssp = sdp->sd_share;
	if (ssp != NULL)
		smb_share_rele(ssp, scred);
	vcp = sdp->sd_vc;
	if (vcp != NULL)
		smb_vc_rele(vcp, scred);
/*
	smb_flushq(&sdp->sd_rqlist);
	smb_flushq(&sdp->sd_rplist);
*/
	dev->si_drv1 = NULL;
	free(sdp, M_NSMBDEV);
	destroy_dev_sched(dev);
	splx(s);
	free(scred, M_NSMBDEV);
	return 0;
}
Exemplo n.º 3
0
int
nsmb_dev_close(dev_t dev, int flag, int fmt, struct proc *p)
{
	struct smb_dev *sdp;
	struct smb_vc *vcp;
	struct smb_share *ssp;
	struct smb_cred scred;
	int s;

	SMB_CHECKMINOR(dev);
	s = splnet();
	if ((sdp->sd_flags & NSMBFL_OPEN) == 0) {
		splx(s);
		return EBADF;
	}
	smb_makescred(&scred, p, NULL);
	ssp = sdp->sd_share;
	if (ssp != NULL)
		smb_share_rele(ssp, &scred);
	vcp = sdp->sd_vc;
	if (vcp != NULL)
		smb_vc_rele(vcp, &scred);
/*
	smb_flushq(&sdp->sd_rqlist);
	smb_flushq(&sdp->sd_rplist);
*/
	smb_devtbl[minor(dev)] = NULL;
	free(sdp, M_SMBDATA);
#ifndef __NetBSD__
	destroy_dev(dev);
#endif
	splx(s);
	return 0;
}
Exemplo n.º 4
0
static int
nsmb_dev_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
{
	struct smb_dev *sdp;
	struct smb_vc *vcp;
	struct smb_share *ssp;
	struct smb_cred *scred;
	int error = 0;

	SMB_CHECKMINOR(dev);
	if ((sdp->sd_flags & NSMBFL_OPEN) == 0)
		return EBADF;

	scred = malloc(sizeof(struct smb_cred), M_NSMBDEV, M_WAITOK);
	smb_makescred(scred, td, NULL);
	switch (cmd) {
	    case SMBIOC_OPENSESSION:
		if (sdp->sd_vc) {
			error = EISCONN;
			goto out;
		}
		error = smb_usr_opensession((struct smbioc_ossn*)data,
		    scred, &vcp);
		if (error)
			break;
		sdp->sd_vc = vcp;
		smb_vc_unlock(vcp, 0);
		sdp->sd_level = SMBL_VC;
		break;
	    case SMBIOC_OPENSHARE:
		if (sdp->sd_share) {
			error = EISCONN;
			goto out;
		}
		if (sdp->sd_vc == NULL) {
			error = ENOTCONN;
			goto out;
		}
		error = smb_usr_openshare(sdp->sd_vc,
		    (struct smbioc_oshare*)data, scred, &ssp);
		if (error)
			break;
		sdp->sd_share = ssp;
		smb_share_unlock(ssp, 0);
		sdp->sd_level = SMBL_SHARE;
		break;
	    case SMBIOC_REQUEST:
		if (sdp->sd_share == NULL) {
			error = ENOTCONN;
			goto out;
		}
		error = smb_usr_simplerequest(sdp->sd_share,
		    (struct smbioc_rq*)data, scred);
		break;
	    case SMBIOC_T2RQ:
		if (sdp->sd_share == NULL) {
			error = ENOTCONN;
			goto out;
		}
		error = smb_usr_t2request(sdp->sd_share,
		    (struct smbioc_t2rq*)data, scred);
		break;
	    case SMBIOC_SETFLAGS: {
		struct smbioc_flags *fl = (struct smbioc_flags*)data;
		int on;
	
		if (fl->ioc_level == SMBL_VC) {
			if (fl->ioc_mask & SMBV_PERMANENT) {
				on = fl->ioc_flags & SMBV_PERMANENT;
				if ((vcp = sdp->sd_vc) == NULL) {
					error = ENOTCONN;
					goto out;
				}
				error = smb_vc_get(vcp, LK_EXCLUSIVE, scred);
				if (error)
					break;
				if (on && (vcp->obj.co_flags & SMBV_PERMANENT) == 0) {
					vcp->obj.co_flags |= SMBV_PERMANENT;
					smb_vc_ref(vcp);
				} else if (!on && (vcp->obj.co_flags & SMBV_PERMANENT)) {
					vcp->obj.co_flags &= ~SMBV_PERMANENT;
					smb_vc_rele(vcp, scred);
				}
				smb_vc_put(vcp, scred);
			} else
				error = EINVAL;
		} else if (fl->ioc_level == SMBL_SHARE) {
			if (fl->ioc_mask & SMBS_PERMANENT) {
				on = fl->ioc_flags & SMBS_PERMANENT;
				if ((ssp = sdp->sd_share) == NULL) {
					error = ENOTCONN;
					goto out;
				}
				error = smb_share_get(ssp, LK_EXCLUSIVE, scred);
				if (error)
					break;
				if (on && (ssp->obj.co_flags & SMBS_PERMANENT) == 0) {
					ssp->obj.co_flags |= SMBS_PERMANENT;
					smb_share_ref(ssp);
				} else if (!on && (ssp->obj.co_flags & SMBS_PERMANENT)) {
					ssp->obj.co_flags &= ~SMBS_PERMANENT;
					smb_share_rele(ssp, scred);
				}
				smb_share_put(ssp, scred);
			} else
				error = EINVAL;
			break;
		} else
			error = EINVAL;
		break;
	    }
	    case SMBIOC_LOOKUP:
		if (sdp->sd_vc || sdp->sd_share) {
			error = EISCONN;
			goto out;
		}
		vcp = NULL;
		ssp = NULL;
		error = smb_usr_lookup((struct smbioc_lookup*)data, scred, &vcp, &ssp);
		if (error)
			break;
		if (vcp) {
			sdp->sd_vc = vcp;
			smb_vc_unlock(vcp, 0);
			sdp->sd_level = SMBL_VC;
		}
		if (ssp) {
			sdp->sd_share = ssp;
			smb_share_unlock(ssp, 0);
			sdp->sd_level = SMBL_SHARE;
		}
		break;
	    case SMBIOC_READ: case SMBIOC_WRITE: {
		struct smbioc_rw *rwrq = (struct smbioc_rw*)data;
		struct uio auio;
		struct iovec iov;
	
		if ((ssp = sdp->sd_share) == NULL) {
			error = ENOTCONN;
			goto out;
	 	}
		iov.iov_base = rwrq->ioc_base;
		iov.iov_len = rwrq->ioc_cnt;
		auio.uio_iov = &iov;
		auio.uio_iovcnt = 1;
		auio.uio_offset = rwrq->ioc_offset;
		auio.uio_resid = rwrq->ioc_cnt;
		auio.uio_segflg = UIO_USERSPACE;
		auio.uio_rw = (cmd == SMBIOC_READ) ? UIO_READ : UIO_WRITE;
		auio.uio_td = td;
		if (cmd == SMBIOC_READ)
			error = smb_read(ssp, rwrq->ioc_fh, &auio, scred);
		else
			error = smb_write(ssp, rwrq->ioc_fh, &auio, scred);
		rwrq->ioc_cnt -= auio.uio_resid;
		break;
	    }
	    default:
		error = ENODEV;
	}
out:
	free(scred, M_NSMBDEV);
	return error;
}