nwfs_ioctl.c

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    1 /*-
    2  * Copyright (c) 1999, Boris Popov
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *    This product includes software developed by Boris Popov.
   16  * 4. Neither the name of the author nor the names of any co-contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  * $FreeBSD: releng/8.0/sys/fs/nwfs/nwfs_ioctl.c 139776 2005-01-06 18:10:42Z imp $
   33  */
   34 #include <sys/param.h>
   35 #include <sys/systm.h>
   36 #include <sys/mount.h>
   37 #include <sys/vnode.h>
   38 #include <sys/ioccom.h>
   39 
   40 #include <netncp/ncp.h>
   41 #include <netncp/ncp_conn.h>
   42 #include <netncp/ncp_subr.h>
   43 
   44 #include <fs/nwfs/nwfs.h>
   45 #include <fs/nwfs/nwfs_node.h>
   46 #include <fs/nwfs/nwfs_subr.h>
   47 
   48 int
   49 nwfs_ioctl(ap)
   50         struct vop_ioctl_args /* {
   51                 struct vnode *a_vp;
   52                 u_long a_command;
   53                 caddr_t a_data;
   54                 int fflag;
   55                 struct ucred *cred;
   56                 struct thread *td;
   57         } */ *ap;
   58 {
   59         int error;
   60         struct thread *td = ap->a_td;
   61         struct ucred *cred = ap->a_cred;
   62         struct vnode *vp = ap->a_vp;
   63         struct nwnode *np = VTONW(vp);
   64         struct nwmount *nmp = VTONWFS(vp);
   65         struct ncp_conn *conn = NWFSTOCONN(nmp);
   66         struct ncp_handle *hp;
   67         struct nw_entry_info *fap;
   68         void *data = ap->a_data;
   69 
   70         switch (ap->a_command) {
   71             case NWFSIOC_GETCONN:
   72                 error = ncp_conn_lock(conn, td, cred, NCPM_READ);
   73                 if (error) break;
   74                 error = ncp_conn_gethandle(conn, td, &hp);
   75                 ncp_conn_unlock(conn, td);
   76                 if (error) break;
   77                 *(int*)data = hp->nh_id;
   78                 break;
   79             case NWFSIOC_GETEINFO:
   80                 if ((error = VOP_ACCESS(vp, VEXEC, cred, td))) break;
   81                 fap = data;
   82                 error = ncp_obtain_info(nmp, np->n_fid.f_id, 0, NULL, fap,
   83                     ap->a_td,ap->a_cred);
   84                 strcpy(fap->entryName, np->n_name);
   85                 fap->nameLen = np->n_nmlen;
   86                 break;
   87             case NWFSIOC_GETNS:
   88                 if ((error = VOP_ACCESS(vp, VEXEC, cred, td))) break;
   89                 *(int*)data = nmp->name_space;
   90                 break;
   91             default:
   92                 error = ENOTTY;
   93         }
   94         return (error);
   95 }

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FreeBSD/Linux Kernel Cross Reference sys/fs/nwfs/nwfs_ioctl.c

FreeBSD/Linux Kernel Cross Reference
sys/fs/nwfs/nwfs_ioctl.c