xref: /freebsd/lib/libprocstat/smbfs.c (revision 0daf62d9f5f7d2c15d00d71eb519b90516df016f)
1*0daf62d9SStanislav Sedov /*-
2*0daf62d9SStanislav Sedov  * Copyright (c) 2005-2009 Stanislav Sedov <stas@FreeBSD.org>
3*0daf62d9SStanislav Sedov  * All rights reserved.
4*0daf62d9SStanislav Sedov  *
5*0daf62d9SStanislav Sedov  * Redistribution and use in source and binary forms, with or without
6*0daf62d9SStanislav Sedov  * modification, are permitted provided that the following conditions
7*0daf62d9SStanislav Sedov  * are met:
8*0daf62d9SStanislav Sedov  * 1. Redistributions of source code must retain the above copyright
9*0daf62d9SStanislav Sedov  *    notice, this list of conditions and the following disclaimer.
10*0daf62d9SStanislav Sedov  * 2. Redistributions in binary form must reproduce the above copyright
11*0daf62d9SStanislav Sedov  *    notice, this list of conditions and the following disclaimer in the
12*0daf62d9SStanislav Sedov  *    documentation and/or other materials provided with the distribution.
13*0daf62d9SStanislav Sedov  *
14*0daf62d9SStanislav Sedov  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*0daf62d9SStanislav Sedov  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*0daf62d9SStanislav Sedov  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*0daf62d9SStanislav Sedov  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*0daf62d9SStanislav Sedov  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*0daf62d9SStanislav Sedov  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*0daf62d9SStanislav Sedov  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*0daf62d9SStanislav Sedov  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*0daf62d9SStanislav Sedov  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*0daf62d9SStanislav Sedov  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*0daf62d9SStanislav Sedov  * SUCH DAMAGE.
25*0daf62d9SStanislav Sedov  */
26*0daf62d9SStanislav Sedov #include <sys/cdefs.h>
27*0daf62d9SStanislav Sedov __FBSDID("$FreeBSD$");
28*0daf62d9SStanislav Sedov 
29*0daf62d9SStanislav Sedov #include <sys/param.h>
30*0daf62d9SStanislav Sedov #include <sys/stat.h>
31*0daf62d9SStanislav Sedov #include <sys/time.h>
32*0daf62d9SStanislav Sedov #include <sys/vnode.h>
33*0daf62d9SStanislav Sedov #define _KERNEL
34*0daf62d9SStanislav Sedov #include <sys/mount.h>
35*0daf62d9SStanislav Sedov #undef _KERNEL
36*0daf62d9SStanislav Sedov 
37*0daf62d9SStanislav Sedov #include <netinet/in.h>
38*0daf62d9SStanislav Sedov 
39*0daf62d9SStanislav Sedov #include <assert.h>
40*0daf62d9SStanislav Sedov #include <err.h>
41*0daf62d9SStanislav Sedov #include <kvm.h>
42*0daf62d9SStanislav Sedov #include <stdlib.h>
43*0daf62d9SStanislav Sedov 
44*0daf62d9SStanislav Sedov #include <fs/smbfs/smbfs.h>
45*0daf62d9SStanislav Sedov #include <fs/smbfs/smbfs_node.h>
46*0daf62d9SStanislav Sedov 
47*0daf62d9SStanislav Sedov #include "libprocstat.h"
48*0daf62d9SStanislav Sedov #include "common_kvm.h"
49*0daf62d9SStanislav Sedov 
50*0daf62d9SStanislav Sedov int
51*0daf62d9SStanislav Sedov smbfs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
52*0daf62d9SStanislav Sedov {
53*0daf62d9SStanislav Sedov 	struct smbnode node;
54*0daf62d9SStanislav Sedov 	struct mount mnt;
55*0daf62d9SStanislav Sedov 	int error;
56*0daf62d9SStanislav Sedov 
57*0daf62d9SStanislav Sedov 	assert(kd);
58*0daf62d9SStanislav Sedov 	assert(vn);
59*0daf62d9SStanislav Sedov 	error = kvm_read_all(kd, (unsigned long)VTOSMB(vp), &node,
60*0daf62d9SStanislav Sedov 	    sizeof(node));
61*0daf62d9SStanislav Sedov 	if (error != 0) {
62*0daf62d9SStanislav Sedov 		warnx("can't read smbfs fnode at %p", (void *)VTOSMB(vp));
63*0daf62d9SStanislav Sedov 		return (1);
64*0daf62d9SStanislav Sedov 	}
65*0daf62d9SStanislav Sedov         error = kvm_read_all(kd, (unsigned long)getvnodemount(vp), &mnt,
66*0daf62d9SStanislav Sedov 	    sizeof(mnt));
67*0daf62d9SStanislav Sedov         if (error != 0) {
68*0daf62d9SStanislav Sedov                 warnx("can't read mount at %p for vnode %p",
69*0daf62d9SStanislav Sedov                     (void *)getvnodemount(vp), vp);
70*0daf62d9SStanislav Sedov                 return (1);
71*0daf62d9SStanislav Sedov         }
72*0daf62d9SStanislav Sedov 	vn->vn_fileid = node.n_ino;
73*0daf62d9SStanislav Sedov 	if (vn->vn_fileid == 0)
74*0daf62d9SStanislav Sedov 		vn->vn_fileid = 2;
75*0daf62d9SStanislav Sedov 	vn->vn_fsid = mnt.mnt_stat.f_fsid.val[0];
76*0daf62d9SStanislav Sedov 	return (0);
77*0daf62d9SStanislav Sedov }
78