2 * Copyright (c) 2000-2001 Boris Popov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #include <sys/param.h>
30 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/sysctl.h>
36 #include <sys/vnode.h>
37 #include <sys/mount.h>
39 #include <sys/malloc.h>
40 #include <sys/module.h>
44 #include <netsmb/smb.h>
45 #include <netsmb/smb_conn.h>
46 #include <netsmb/smb_subr.h>
47 #include <netsmb/smb_dev.h>
49 #include <fs/smbfs/smbfs.h>
50 #include <fs/smbfs/smbfs_node.h>
51 #include <fs/smbfs/smbfs_subr.h>
53 static int smbfs_debuglevel = 0;
55 static int smbfs_version = SMBFS_VERSION;
57 SYSCTL_NODE(_vfs, OID_AUTO, smbfs, CTLFLAG_RW, 0, "SMB/CIFS filesystem");
58 SYSCTL_INT(_vfs_smbfs, OID_AUTO, version, CTLFLAG_RD, &smbfs_version, 0, "");
59 SYSCTL_INT(_vfs_smbfs, OID_AUTO, debuglevel, CTLFLAG_RW, &smbfs_debuglevel, 0, "");
61 static vfs_init_t smbfs_init;
62 static vfs_uninit_t smbfs_uninit;
63 static vfs_cmount_t smbfs_cmount;
64 static vfs_mount_t smbfs_mount;
65 static vfs_root_t smbfs_root;
66 static vfs_quotactl_t smbfs_quotactl;
67 static vfs_statfs_t smbfs_statfs;
68 static vfs_unmount_t smbfs_unmount;
70 static struct vfsops smbfs_vfsops = {
71 .vfs_init = smbfs_init,
72 .vfs_cmount = smbfs_cmount,
73 .vfs_mount = smbfs_mount,
74 .vfs_quotactl = smbfs_quotactl,
75 .vfs_root = smbfs_root,
76 .vfs_statfs = smbfs_statfs,
77 .vfs_sync = vfs_stdsync,
78 .vfs_uninit = smbfs_uninit,
79 .vfs_unmount = smbfs_unmount,
83 VFS_SET(smbfs_vfsops, smbfs, VFCF_NETWORK);
85 MODULE_DEPEND(smbfs, netsmb, NSMB_VERSION, NSMB_VERSION, NSMB_VERSION);
86 MODULE_DEPEND(smbfs, libiconv, 1, 1, 2);
87 MODULE_DEPEND(smbfs, libmchain, 1, 1, 1);
89 int smbfs_pbuf_freecnt = -1; /* start out unlimited */
92 smbfs_cmount(struct mntarg *ma, void * data, uint64_t flags)
94 struct smbfs_args args;
97 error = copyin(data, &args, sizeof(struct smbfs_args));
101 if (args.version != SMBFS_VERSION) {
102 printf("mount version mismatch: kernel=%d, mount=%d\n",
103 SMBFS_VERSION, args.version);
106 ma = mount_argf(ma, "dev", "%d", args.dev);
107 ma = mount_argb(ma, args.flags & SMBFS_MOUNT_SOFT, "nosoft");
108 ma = mount_argb(ma, args.flags & SMBFS_MOUNT_INTR, "nointr");
109 ma = mount_argb(ma, args.flags & SMBFS_MOUNT_STRONG, "nostrong");
110 ma = mount_argb(ma, args.flags & SMBFS_MOUNT_HAVE_NLS, "nohave_nls");
111 ma = mount_argb(ma, !(args.flags & SMBFS_MOUNT_NO_LONG), "nolong");
112 ma = mount_arg(ma, "rootpath", args.root_path, -1);
113 ma = mount_argf(ma, "uid", "%d", args.uid);
114 ma = mount_argf(ma, "gid", "%d", args.gid);
115 ma = mount_argf(ma, "file_mode", "%d", args.file_mode);
116 ma = mount_argf(ma, "dir_mode", "%d", args.dir_mode);
117 ma = mount_argf(ma, "caseopt", "%d", args.caseopt);
119 error = kernel_mount(ma, flags);
124 static const char *smbfs_opts[] = {
125 "fd", "soft", "intr", "strong", "have_nls", "long",
126 "mountpoint", "rootpath", "uid", "gid", "file_mode", "dir_mode",
127 "caseopt", "errmsg", NULL
131 smbfs_mount(struct mount *mp)
133 struct smbmount *smp = NULL;
135 struct smb_share *ssp = NULL;
139 struct smb_cred *scred;
145 if (mp->mnt_flag & (MNT_UPDATE | MNT_ROOTFS))
148 if (vfs_filteropt(mp->mnt_optnew, smbfs_opts)) {
149 vfs_mount_error(mp, "%s", "Invalid option");
153 scred = smbfs_malloc_scred();
154 smb_makescred(scred, td, td->td_ucred);
156 /* Ask userspace of `fd`, the file descriptor of this session */
157 if (1 != vfs_scanopt(mp->mnt_optnew, "fd", "%d", &v)) {
158 vfs_mount_error(mp, "No fd option");
159 smbfs_free_scred(scred);
162 error = smb_dev2share(v, SMBM_EXEC, scred, &ssp, &dev);
163 smp = malloc(sizeof(*smp), M_SMBFSDATA, M_WAITOK | M_ZERO);
165 printf("invalid device handle %d (%d)\n", v, error);
166 vfs_mount_error(mp, "invalid device handle %d %d\n", v, error);
167 smbfs_free_scred(scred);
168 free(smp, M_SMBFSDATA);
172 smb_share_unlock(ssp);
173 mp->mnt_stat.f_iosize = SSTOVC(ssp)->vc_txmax;
178 if (1 != vfs_scanopt(mp->mnt_optnew,
179 "caseopt", "%d", &smp->sm_caseopt)) {
180 vfs_mount_error(mp, "Invalid caseopt");
184 if (1 != vfs_scanopt(mp->mnt_optnew, "uid", "%d", &v)) {
185 vfs_mount_error(mp, "Invalid uid");
191 if (1 != vfs_scanopt(mp->mnt_optnew, "gid", "%d", &v)) {
192 vfs_mount_error(mp, "Invalid gid");
198 if (1 != vfs_scanopt(mp->mnt_optnew, "file_mode", "%d", &v)) {
199 vfs_mount_error(mp, "Invalid file_mode");
203 smp->sm_file_mode = (v & (S_IRWXU|S_IRWXG|S_IRWXO)) | S_IFREG;
205 if (1 != vfs_scanopt(mp->mnt_optnew, "dir_mode", "%d", &v)) {
206 vfs_mount_error(mp, "Invalid dir_mode");
210 smp->sm_dir_mode = (v & (S_IRWXU|S_IRWXG|S_IRWXO)) | S_IFDIR;
212 vfs_flagopt(mp->mnt_optnew,
213 "nolong", &smp->sm_flags, SMBFS_MOUNT_NO_LONG);
215 pc = mp->mnt_stat.f_mntfromname;
216 pe = pc + sizeof(mp->mnt_stat.f_mntfromname);
220 pc = strchr(strncpy(pc, vcp->vc_username, pe - pc - 2), 0);
223 pc = strchr(strncpy(pc, vcp->vc_srvname, pe - pc - 2), 0);
226 strncpy(pc, ssp->ss_name, pe - pc - 2);
230 error = smbfs_root(mp, LK_EXCLUSIVE, &vp);
232 vfs_mount_error(mp, "smbfs_root error: %d", error);
236 SMBVDEBUG("root.v_usecount = %d\n", vrefcnt(vp));
239 SMBERROR("mp=%p\n", mp);
241 smbfs_free_scred(scred);
245 smb_share_put(ssp, scred);
246 smbfs_free_scred(scred);
248 if (error && smp->sm_dev == dev) {
253 free(smp, M_SMBFSDATA);
257 /* Unmount the filesystem described by mp. */
259 smbfs_unmount(struct mount *mp, int mntflags)
262 struct smbmount *smp = VFSTOSMBFS(mp);
263 struct smb_cred *scred;
267 SMBVDEBUG("smbfs_unmount: flags=%04x\n", mntflags);
270 if (mntflags & MNT_FORCE)
273 * Keep trying to flush the vnode list for the mount while
274 * some are still busy and we are making progress towards
275 * making them not busy. This is needed because smbfs vnodes
276 * reference their parent directory but may appear after their
277 * parent in the list; one pass over the vnode list is not
278 * sufficient in this case.
282 /* There is 1 extra root vnode reference from smbfs_mount(). */
283 error = vflush(mp, 1, flags, td);
284 } while (error == EBUSY && smp->sm_didrele != 0);
287 scred = smbfs_malloc_scred();
288 smb_makescred(scred, td, td->td_ucred);
289 error = smb_share_lock(smp->sm_share);
292 smb_share_put(smp->sm_share, scred);
296 panic("No private data for mount point");
300 free(smp, M_SMBFSDATA);
302 mp->mnt_flag &= ~MNT_LOCAL;
305 smbfs_free_scred(scred);
310 * Return locked root vnode of a filesystem
313 smbfs_root(struct mount *mp, int flags, struct vnode **vpp)
315 struct smbmount *smp = VFSTOSMBFS(mp);
318 struct smbfattr fattr;
321 struct smb_cred *scred;
328 *vpp = SMBTOV(smp->sm_root);
329 return vget(*vpp, LK_EXCLUSIVE | LK_RETRY, td);
331 scred = smbfs_malloc_scred();
332 smb_makescred(scred, td, cred);
333 error = smbfs_smb_lookup(NULL, NULL, 0, &fattr, scred);
336 error = smbfs_nget(mp, NULL, NULL, 0, &fattr, &vp);
339 ASSERT_VOP_LOCKED(vp, "smbfs_root");
340 vp->v_vflag |= VV_ROOT;
345 smbfs_free_scred(scred);
350 * Do operations associated with quotas, not supported
354 smbfs_quotactl(mp, cmd, uid, arg)
360 SMBVDEBUG("return EOPNOTSUPP\n");
366 smbfs_init(struct vfsconf *vfsp)
368 smbfs_pbuf_freecnt = nswbuf / 2 + 1;
369 SMBVDEBUG("done.\n");
375 smbfs_uninit(struct vfsconf *vfsp)
378 SMBVDEBUG("done.\n");
386 smbfs_statfs(struct mount *mp, struct statfs *sbp)
388 struct thread *td = curthread;
389 struct smbmount *smp = VFSTOSMBFS(mp);
390 struct smbnode *np = smp->sm_root;
391 struct smb_share *ssp = smp->sm_share;
392 struct smb_cred *scred;
396 vfs_mount_error(mp, "np == NULL");
400 sbp->f_iosize = SSTOVC(ssp)->vc_txmax; /* optimal transfer block size */
401 scred = smbfs_malloc_scred();
402 smb_makescred(scred, td, td->td_ucred);
403 error = smbfs_smb_statfs(ssp, sbp, scred);
404 smbfs_free_scred(scred);