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;
59 #include <vm/vm_extern.h>
61 vm_zone_t smbfsmount_zone;
64 SYSCTL_NODE(_vfs, OID_AUTO, smbfs, CTLFLAG_RW, 0, "SMB/CIFS filesystem");
65 SYSCTL_INT(_vfs_smbfs, OID_AUTO, version, CTLFLAG_RD, &smbfs_version, 0, "");
66 SYSCTL_INT(_vfs_smbfs, OID_AUTO, debuglevel, CTLFLAG_RW, &smbfs_debuglevel, 0, "");
68 static MALLOC_DEFINE(M_SMBFSHASH, "smbfs_hash", "SMBFS hash table");
70 static vfs_init_t smbfs_init;
71 static vfs_uninit_t smbfs_uninit;
72 static vfs_cmount_t smbfs_cmount;
73 static vfs_mount_t smbfs_mount;
74 static vfs_root_t smbfs_root;
75 static vfs_quotactl_t smbfs_quotactl;
76 static vfs_statfs_t smbfs_statfs;
77 static vfs_unmount_t smbfs_unmount;
79 static struct vfsops smbfs_vfsops = {
80 .vfs_init = smbfs_init,
81 .vfs_cmount = smbfs_cmount,
82 .vfs_mount = smbfs_mount,
83 .vfs_quotactl = smbfs_quotactl,
84 .vfs_root = smbfs_root,
85 .vfs_statfs = smbfs_statfs,
86 .vfs_sync = vfs_stdsync,
87 .vfs_uninit = smbfs_uninit,
88 .vfs_unmount = smbfs_unmount,
92 VFS_SET(smbfs_vfsops, smbfs, VFCF_NETWORK);
94 MODULE_DEPEND(smbfs, netsmb, NSMB_VERSION, NSMB_VERSION, NSMB_VERSION);
95 MODULE_DEPEND(smbfs, libiconv, 1, 1, 2);
96 MODULE_DEPEND(smbfs, libmchain, 1, 1, 1);
98 int smbfs_pbuf_freecnt = -1; /* start out unlimited */
101 smbfs_cmount(struct mntarg *ma, void * data, uint64_t flags)
103 struct smbfs_args args;
106 error = copyin(data, &args, sizeof(struct smbfs_args));
110 if (args.version != SMBFS_VERSION) {
111 printf("mount version mismatch: kernel=%d, mount=%d\n",
112 SMBFS_VERSION, args.version);
115 ma = mount_argf(ma, "dev", "%d", args.dev);
116 ma = mount_argb(ma, args.flags & SMBFS_MOUNT_SOFT, "nosoft");
117 ma = mount_argb(ma, args.flags & SMBFS_MOUNT_INTR, "nointr");
118 ma = mount_argb(ma, args.flags & SMBFS_MOUNT_STRONG, "nostrong");
119 ma = mount_argb(ma, args.flags & SMBFS_MOUNT_HAVE_NLS, "nohave_nls");
120 ma = mount_argb(ma, !(args.flags & SMBFS_MOUNT_NO_LONG), "nolong");
121 ma = mount_arg(ma, "rootpath", args.root_path, -1);
122 ma = mount_argf(ma, "uid", "%d", args.uid);
123 ma = mount_argf(ma, "gid", "%d", args.gid);
124 ma = mount_argf(ma, "file_mode", "%d", args.file_mode);
125 ma = mount_argf(ma, "dir_mode", "%d", args.dir_mode);
126 ma = mount_argf(ma, "caseopt", "%d", args.caseopt);
128 error = kernel_mount(ma, flags);
133 static const char *smbfs_opts[] = {
134 "dev", "soft", "intr", "strong", "have_nls", "long",
135 "mountpoint", "rootpath", "uid", "gid", "file_mode", "dir_mode",
136 "caseopt", "errmsg", NULL
140 smbfs_mount(struct mount *mp)
142 struct smbmount *smp = NULL;
144 struct smb_share *ssp = NULL;
147 struct smb_cred scred;
152 if (mp->mnt_flag & (MNT_UPDATE | MNT_ROOTFS))
155 if (vfs_filteropt(mp->mnt_optnew, smbfs_opts)) {
156 vfs_mount_error(mp, "%s", "Invalid option");
160 smb_makescred(&scred, td, td->td_ucred);
161 if (1 != vfs_scanopt(mp->mnt_optnew, "dev", "%d", &v)) {
162 vfs_mount_error(mp, "No dev option");
165 error = smb_dev2share(v, SMBM_EXEC, &scred, &ssp);
167 printf("invalid device handle %d (%d)\n", v, error);
168 vfs_mount_error(mp, "invalid device handle %d (%d)\n", v, error);
172 smb_share_unlock(ssp, 0);
173 mp->mnt_stat.f_iosize = SSTOVC(ssp)->vc_txmax;
176 smp = zalloc(smbfsmount_zone);
178 smp = malloc(sizeof(*smp), M_SMBFSDATA, M_WAITOK);
181 printf("could not alloc smbmount\n");
182 vfs_mount_error(mp, "could not alloc smbmount", v, error);
186 bzero(smp, sizeof(*smp));
188 smp->sm_hash = hashinit(desiredvnodes, M_SMBFSHASH, &smp->sm_hashlen);
189 if (smp->sm_hash == NULL)
191 sx_init(&smp->sm_hashlock, "smbfsh");
194 if (1 != vfs_scanopt(mp->mnt_optnew,
195 "caseopt", "%d", &smp->sm_caseopt)) {
196 vfs_mount_error(mp, "Invalid caseopt");
200 if (1 != vfs_scanopt(mp->mnt_optnew, "uid", "%d", &v)) {
201 vfs_mount_error(mp, "Invalid uid");
207 if (1 != vfs_scanopt(mp->mnt_optnew, "gid", "%d", &v)) {
208 vfs_mount_error(mp, "Invalid gid");
214 if (1 != vfs_scanopt(mp->mnt_optnew, "file_mode", "%d", &v)) {
215 vfs_mount_error(mp, "Invalid file_mode");
219 smp->sm_file_mode = (v & (S_IRWXU|S_IRWXG|S_IRWXO)) | S_IFREG;
221 if (1 != vfs_scanopt(mp->mnt_optnew, "dir_mode", "%d", &v)) {
222 vfs_mount_error(mp, "Invalid dir_mode");
226 smp->sm_dir_mode = (v & (S_IRWXU|S_IRWXG|S_IRWXO)) | S_IFDIR;
228 vfs_flagopt(mp->mnt_optnew,
229 "nolong", &smp->sm_flags, SMBFS_MOUNT_NO_LONG);
231 /* simple_lock_init(&smp->sm_npslock);*/
232 pc = mp->mnt_stat.f_mntfromname;
233 pe = pc + sizeof(mp->mnt_stat.f_mntfromname);
237 pc=index(strncpy(pc, vcp->vc_username, pe - pc - 2), 0);
240 pc = index(strncpy(pc, vcp->vc_srvname, pe - pc - 2), 0);
243 strncpy(pc, ssp->ss_name, pe - pc - 2);
247 error = smbfs_root(mp, LK_EXCLUSIVE, &vp);
249 vfs_mount_error(mp, "smbfs_root error: %d", error);
253 SMBVDEBUG("root.v_usecount = %d\n", vrefcnt(vp));
256 SMBERROR("mp=%p\n", mp);
262 free(smp->sm_hash, M_SMBFSHASH);
263 sx_destroy(&smp->sm_hashlock);
265 zfree(smbfsmount_zone, smp);
267 free(smp, M_SMBFSDATA);
271 smb_share_put(ssp, &scred);
275 /* Unmount the filesystem described by mp. */
277 smbfs_unmount(struct mount *mp, int mntflags)
280 struct smbmount *smp = VFSTOSMBFS(mp);
281 struct smb_cred scred;
284 SMBVDEBUG("smbfs_unmount: flags=%04x\n", mntflags);
287 if (mntflags & MNT_FORCE)
290 * Keep trying to flush the vnode list for the mount while
291 * some are still busy and we are making progress towards
292 * making them not busy. This is needed because smbfs vnodes
293 * reference their parent directory but may appear after their
294 * parent in the list; one pass over the vnode list is not
295 * sufficient in this case.
299 /* There is 1 extra root vnode reference from smbfs_mount(). */
300 error = vflush(mp, 1, flags, td);
301 } while (error == EBUSY && smp->sm_didrele != 0);
304 smb_makescred(&scred, td, td->td_ucred);
305 error = smb_share_lock(smp->sm_share, LK_EXCLUSIVE);
308 smb_share_put(smp->sm_share, &scred);
312 free(smp->sm_hash, M_SMBFSHASH);
313 sx_destroy(&smp->sm_hashlock);
315 zfree(smbfsmount_zone, smp);
317 free(smp, M_SMBFSDATA);
320 mp->mnt_flag &= ~MNT_LOCAL;
326 * Return locked root vnode of a filesystem
329 smbfs_root(struct mount *mp, int flags, struct vnode **vpp)
331 struct smbmount *smp = VFSTOSMBFS(mp);
334 struct smbfattr fattr;
337 struct smb_cred scred;
344 SMBERROR("smp == NULL (bug in umount)\n");
345 vfs_mount_error(mp, "smp == NULL (bug in umount)");
349 *vpp = SMBTOV(smp->sm_root);
350 return vget(*vpp, LK_EXCLUSIVE | LK_RETRY, td);
352 smb_makescred(&scred, td, cred);
353 error = smbfs_smb_lookup(NULL, NULL, 0, &fattr, &scred);
356 error = smbfs_nget(mp, NULL, "TheRooT", 7, &fattr, &vp);
359 ASSERT_VOP_LOCKED(vp, "smbfs_root");
360 vp->v_vflag |= VV_ROOT;
368 * Do operations associated with quotas, not supported
372 smbfs_quotactl(mp, cmd, uid, arg)
378 SMBVDEBUG("return EOPNOTSUPP\n");
384 smbfs_init(struct vfsconf *vfsp)
387 smbfsmount_zone = zinit("SMBFSMOUNT", sizeof(struct smbmount), 0, 0, 1);
389 smbfs_pbuf_freecnt = nswbuf / 2 + 1;
390 SMBVDEBUG("done.\n");
396 smbfs_uninit(struct vfsconf *vfsp)
399 SMBVDEBUG("done.\n");
407 smbfs_statfs(struct mount *mp, struct statfs *sbp)
409 struct thread *td = curthread;
410 struct smbmount *smp = VFSTOSMBFS(mp);
411 struct smbnode *np = smp->sm_root;
412 struct smb_share *ssp = smp->sm_share;
413 struct smb_cred scred;
417 vfs_mount_error(mp, "np == NULL");
421 sbp->f_iosize = SSTOVC(ssp)->vc_txmax; /* optimal transfer block size */
422 smb_makescred(&scred, td, td->td_ucred);
424 if (SMB_DIALECT(SSTOVC(ssp)) >= SMB_DIALECT_LANMAN2_0)
425 error = smbfs_smb_statfs2(ssp, sbp, &scred);
427 error = smbfs_smb_statfs(ssp, sbp, &scred);
430 sbp->f_flags = 0; /* copy of mount exported flags */