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  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD: stable/9/sys/fs/nwfs/nwfs_ioctl.c 206361 2010-04-07 16:50:38Z joel $
27  */
28 #include <sys/param.h>
29 #include <sys/systm.h>
30 #include <sys/mount.h>
31 #include <sys/vnode.h>
32 #include <sys/ioccom.h>
33 
34 #include <netncp/ncp.h>
35 #include <netncp/ncp_conn.h>
36 #include <netncp/ncp_subr.h>
37 
38 #include <fs/nwfs/nwfs.h>
39 #include <fs/nwfs/nwfs_node.h>
40 #include <fs/nwfs/nwfs_subr.h>
41 
42 int
nwfs_ioctl(ap)43 nwfs_ioctl(ap)
44 	struct vop_ioctl_args /* {
45 		struct vnode *a_vp;
46 		u_long a_command;
47 		caddr_t a_data;
48 		int fflag;
49 		struct ucred *cred;
50 		struct thread *td;
51 	} */ *ap;
52 {
53 	int error;
54 	struct thread *td = ap->a_td;
55 	struct ucred *cred = ap->a_cred;
56 	struct vnode *vp = ap->a_vp;
57 	struct nwnode *np = VTONW(vp);
58 	struct nwmount *nmp = VTONWFS(vp);
59 	struct ncp_conn *conn = NWFSTOCONN(nmp);
60 	struct ncp_handle *hp;
61 	struct nw_entry_info *fap;
62 	void *data = ap->a_data;
63 
64 	switch (ap->a_command) {
65 	    case NWFSIOC_GETCONN:
66 		error = ncp_conn_lock(conn, td, cred, NCPM_READ);
67 		if (error) break;
68 		error = ncp_conn_gethandle(conn, td, &hp);
69 		ncp_conn_unlock(conn, td);
70 		if (error) break;
71 		*(int*)data = hp->nh_id;
72 		break;
73 	    case NWFSIOC_GETEINFO:
74 		if ((error = VOP_ACCESS(vp, VEXEC, cred, td))) break;
75 		fap = data;
76 		error = ncp_obtain_info(nmp, np->n_fid.f_id, 0, NULL, fap,
77 		    ap->a_td,ap->a_cred);
78 		strcpy(fap->entryName, np->n_name);
79 		fap->nameLen = np->n_nmlen;
80 		break;
81 	    case NWFSIOC_GETNS:
82 		if ((error = VOP_ACCESS(vp, VEXEC, cred, td))) break;
83 		*(int*)data = nmp->name_space;
84 		break;
85 	    default:
86 		error = ENOTTY;
87 	}
88 	return (error);
89 }
90