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ed6aff7387
Due to some interesting cpp tricks in lockmgr, the LINT kernel shrinks by 924 bytes.
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/*
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* Copyright (c) 1999, Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/proc.h>
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#include <sys/mount.h>
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#include <sys/vnode.h>
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#include <sys/ioccom.h>
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#include <netncp/ncp.h>
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#include <netncp/ncp_conn.h>
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#include <netncp/ncp_subr.h>
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#include <nwfs/nwfs.h>
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#include <nwfs/nwfs_node.h>
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#include <nwfs/nwfs_subr.h>
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int
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nwfs_ioctl(ap)
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struct vop_ioctl_args /* {
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struct vnode *a_vp;
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u_long a_command;
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caddr_t a_data;
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int fflag;
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struct ucred *cred;
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struct proc *p;
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} */ *ap;
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{
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int error;
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struct proc *p = ap->a_p;
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struct ucred *cred = ap->a_cred;
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struct vnode *vp = ap->a_vp;
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struct nwnode *np = VTONW(vp);
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struct nwmount *nmp = VTONWFS(vp);
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struct ncp_conn *conn = NWFSTOCONN(nmp);
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struct ncp_handle *hp;
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struct nw_entry_info *fap;
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void *data = ap->a_data;
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switch (ap->a_command) {
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case NWFSIOC_GETCONN:
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error = ncp_conn_lock(conn, p, cred, NCPM_READ);
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if (error) break;
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error = ncp_conn_gethandle(conn, p, &hp);
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ncp_conn_unlock(conn, p);
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if (error) break;
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*(int*)data = hp->nh_id;
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break;
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case NWFSIOC_GETEINFO:
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if ((error = VOP_ACCESS(vp, VEXEC, cred, p))) break;
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fap = data;
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error = ncp_obtain_info(nmp, np->n_fid.f_id, 0, NULL, fap,
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ap->a_p,ap->a_cred);
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strcpy(fap->entryName, np->n_name);
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fap->nameLen = np->n_nmlen;
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break;
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case NWFSIOC_GETNS:
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if ((error = VOP_ACCESS(vp, VEXEC, cred, p))) break;
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*(int*)data = nmp->name_space;
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break;
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default:
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error = EINVAL;
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}
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return (error);
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}
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