static int
zfs_vfs_mount(struct mount *mp, vnode_t devvp, user_addr_t data, vfs_context_t context)
{
char *osname = NULL;
size_t osnamelen = 0;
int error = 0;
int canwrite;
/*
* Get the objset name (the "special" mount argument).
* The filesystem that we mount as root is defined in the
* "zfs-bootfs" property.
*/
if (data) {
user_addr_t fspec = USER_ADDR_NULL;
#ifndef __APPLE__
if (ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_root_node(),
DDI_PROP_DONTPASS, "zfs-bootfs", &zfs_bootpath) !=
DDI_SUCCESS)
return (EIO);
error = parse_bootpath(zfs_bootpath, rootfs.bo_name);
ddi_prop_free(zfs_bootpath);
#endif
osname = kmem_alloc(MAXPATHLEN, KM_SLEEP);
if (vfs_context_is64bit(context)) {
if ( (error = copyin(data, (caddr_t)&fspec, sizeof(fspec))) )
goto out;
} else {
#ifdef ZFS_LEOPARD_ONLY
char *tmp;
#else
user32_addr_t tmp;
#endif
if ( (error = copyin(data, (caddr_t)&tmp, sizeof(tmp))) )
goto out;
/* munge into LP64 addr */
fspec = CAST_USER_ADDR_T(tmp);
}
if ( (error = copyinstr(fspec, osname, MAXPATHLEN, &osnamelen)) )
goto out;
}
#if 0
if (mvp->v_type != VDIR)
return (ENOTDIR);
mutex_enter(&mvp->v_lock);
if ((uap->flags & MS_REMOUNT) == 0 &&
(uap->flags & MS_OVERLAY) == 0 &&
(mvp->v_count != 1 || (mvp->v_flag & VROOT))) {
mutex_exit(&mvp->v_lock);
return (EBUSY);
}
mutex_exit(&mvp->v_lock);
/*
* ZFS does not support passing unparsed data in via MS_DATA.
* Users should use the MS_OPTIONSTR interface; this means
* that all option parsing is already done and the options struct
* can be interrogated.
*/
if ((uap->flags & MS_DATA) && uap->datalen > 0)
return (EINVAL);
/*
* Get the objset name (the "special" mount argument).
*/
if (error = pn_get(uap->spec, fromspace, &spn))
return (error);
osname = spn.pn_path;
#endif
/*
* Check for mount privilege?
*
* If we don't have privilege then see if
* we have local permission to allow it
*/
#ifndef __APPLE__
error = secpolicy_fs_mount(cr, mvp, vfsp);
if (error) {
error = dsl_deleg_access(osname, ZFS_DELEG_PERM_MOUNT, cr);
if (error == 0) {
vattr_t vattr;
/*
* Make sure user is the owner of the mount point
* or has sufficient privileges.
*/
vattr.va_mask = AT_UID;
if (error = VOP_GETATTR(mvp, &vattr, 0, cr)) {
goto out;
}
if (error = secpolicy_vnode_owner(cr, vattr.va_uid)) {
goto out;
}
if (error = VOP_ACCESS(mvp, VWRITE, 0, cr)) {
goto out;
}
secpolicy_fs_mount_clearopts(cr, vfsp);
} else {
goto out;
}
}
#endif
error = zfs_domount(mp, 0, osname, context);
if (error)
printf("zfs_vfs_mount: error %d\n", error);
if (error == 0) {
zfsvfs_t *zfsvfs = NULL;
/* Make the Finder treat sub file systems just like a folder */
if (strpbrk(osname, "/"))
vfs_setflags(mp, (u_int64_t)((unsigned int)MNT_DONTBROWSE));
/* Indicate to VFS that we support ACLs. */
vfs_setextendedsecurity(mp);
/* Advisory locking should be handled at the VFS layer */
vfs_setlocklocal(mp);
/*
* Mac OS X needs a file system modify time
*
* We use the mtime of the "com.apple.system.mtime"
* extended attribute, which is associated with the
* file system root directory.
*
* Here we need to take a ref on z_mtime_vp to keep it around.
* If the attribute isn't there, attempt to create it.
*/
zfsvfs = vfs_fsprivate(mp);
if (zfsvfs->z_mtime_vp == NULL) {
struct vnode * rvp;
struct vnode *xdvp = NULLVP;
struct vnode *xvp = NULLVP;
znode_t *rootzp;
timestruc_t modify_time;
cred_t *cr;
timestruc_t now;
int flag;
int result;
if (zfs_zget(zfsvfs, zfsvfs->z_root, &rootzp) != 0) {
goto out;
}
rvp = ZTOV(rootzp);
cr = (cred_t *)vfs_context_ucred(context);
/* Grab the hidden attribute directory vnode. */
result = zfs_get_xattrdir(rootzp, &xdvp, cr, CREATE_XATTR_DIR);
vnode_put(rvp); /* all done with root vnode */
rvp = NULL;
if (result) {
goto out;
}
/*
* HACK - workaround missing vnode_setnoflush() KPI...
*
* We tag zfsvfs so that zfs_attach_vnode() can then set
* vnfs_marksystem when the vnode gets created.
*/
zfsvfs->z_last_unmount_time = 0xBADC0DE;
zfsvfs->z_last_mtime_synced = VTOZ(xdvp)->z_id;
flag = vfs_isrdonly(mp) ? 0 : ZEXISTS;
/* Lookup or create the named attribute. */
if ( zfs_obtain_xattr(VTOZ(xdvp), ZFS_MTIME_XATTR,
S_IRUSR | S_IWUSR, cr, &xvp,
flag) ) {
zfsvfs->z_last_unmount_time = 0;
zfsvfs->z_last_mtime_synced = 0;
vnode_put(xdvp);
goto out;
}
gethrestime(&now);
ZFS_TIME_ENCODE(&now, VTOZ(xvp)->z_phys->zp_mtime);
vnode_put(xdvp);
vnode_ref(xvp);
zfsvfs->z_mtime_vp = xvp;
ZFS_TIME_DECODE(&modify_time, VTOZ(xvp)->z_phys->zp_mtime);
zfsvfs->z_last_unmount_time = modify_time.tv_sec;
zfsvfs->z_last_mtime_synced = modify_time.tv_sec;
/*
* Keep this referenced vnode from impeding an unmount.
*
* XXX vnode_setnoflush() is MIA from KPI (see workaround above).
*/
#if 0
vnode_setnoflush(xvp);
#endif
vnode_put(xvp);
}
}
out:
if (osname) {
kmem_free(osname, MAXPATHLEN);
}
return (error);
}
/*
* Called from user land so we always have a reference on the share.
*/
int
smb_usr_read_write(struct smb_share *share, u_long cmd, struct smb2ioc_rw *rw_ioc, vfs_context_t context)
{
int error;
struct smb2_rw_rq *read_writep = NULL;
SMB_MALLOC(read_writep,
struct smb2_rw_rq *,
sizeof(struct smb2_rw_rq),
M_SMBTEMP,
M_WAITOK | M_ZERO);
if (read_writep == NULL) {
SMBERROR("SMB_MALLOC failed\n");
error = ENOMEM;
goto bad;
}
/* Take 32 bit world pointers and convert them to user_addr_t. */
if (vfs_context_is64bit(context)) {
read_writep->auio = uio_create(1,
rw_ioc->ioc_offset,
UIO_USERSPACE64,
(cmd == SMB2IOC_READ) ? UIO_READ : UIO_WRITE);
}
else {
rw_ioc->ioc_kern_base = CAST_USER_ADDR_T(rw_ioc->ioc_base);
read_writep->auio = uio_create(1,
rw_ioc->ioc_offset,
UIO_USERSPACE32,
(cmd == SMB2IOC_READ) ? UIO_READ : UIO_WRITE);
}
if (read_writep->auio) {
/* <14516550> All IO requests from user space are done synchronously */
read_writep->flags |= SMB2_SYNC_IO;
uio_addiov(read_writep->auio, rw_ioc->ioc_kern_base, rw_ioc->ioc_len);
read_writep->remaining = rw_ioc->ioc_remaining;
read_writep->write_flags = rw_ioc->ioc_write_flags;
read_writep->fid = rw_ioc->ioc_fid;
/* Now do the real work */
if (cmd == SMB2IOC_READ) {
error = smb2_smb_read(share, read_writep, context);
}
else {
error = smb2_smb_write(share, read_writep, context);
}
/* always return the ntstatus error */
rw_ioc->ioc_ret_ntstatus = read_writep->ret_ntstatus;
if (error) {
goto bad;
}
/* Fill in actual bytes read or written */
rw_ioc->ioc_ret_len = read_writep->ret_len;
}
else {
error = ENOMEM;
}
bad:
if (read_writep != NULL) {
if (read_writep->auio != NULL) {
uio_free(read_writep->auio);
}
SMB_FREE(read_writep, M_SMBTEMP);
}
return error;
}
static int
vfs_mount_9p(mount_t mp, vnode_t devvp, user_addr_t data, vfs_context_t ctx)
{
#pragma unused(devvp)
struct sockaddr *addr, *authaddr;
struct vfsstatfs *sp;
char authkey[DESKEYLEN+1];
kauth_cred_t cred;
user_args_9p args;
mount_9p *nmp;
size_t size;
fid_9p fid;
qid_9p qid;
char *vers;
int e;
TRACE();
nmp = NULL;
addr = NULL;
authaddr = NULL;
fid = NOFID;
if (vfs_isupdate(mp))
return ENOTSUP;
if (vfs_context_is64bit(ctx)) {
if ((e=copyin(data, &args, sizeof(args))))
goto error;
} else {
args_9p args32;
if ((e=copyin(data, &args32, sizeof(args32))))
goto error;
args.spec = CAST_USER_ADDR_T(args32.spec);
args.addr = CAST_USER_ADDR_T(args32.addr);
args.addrlen = args32.addrlen;
args.authaddr = CAST_USER_ADDR_T(args32.authaddr);
args.authaddrlen = args32.authaddrlen;
args.volume = CAST_USER_ADDR_T(args32.volume);
args.uname = CAST_USER_ADDR_T(args32.uname);
args.aname = CAST_USER_ADDR_T(args32.aname);
args.authkey = CAST_USER_ADDR_T(args32.authkey);
args.flags = args32.flags;
}
e = ENOMEM;
nmp = malloc_9p(sizeof(*nmp));
if (nmp == NULL)
return e;
nmp->mp = mp;
TAILQ_INIT(&nmp->req);
nmp->lck = lck_mtx_alloc_init(lck_grp_9p, LCK_ATTR_NULL);
nmp->reqlck = lck_mtx_alloc_init(lck_grp_9p, LCK_ATTR_NULL);
nmp->nodelck = lck_mtx_alloc_init(lck_grp_9p, LCK_ATTR_NULL);
nmp->node = hashinit(desiredvnodes, M_TEMP, &nmp->nodelen);
if (nmp->lck==NULL || nmp->reqlck==NULL || nmp->nodelck==NULL || nmp->node==NULL)
goto error;
if ((e=nameget_9p(args.volume, &nmp->volume)))
goto error;
if ((e=nameget_9p(args.uname, &nmp->uname)))
goto error;
if ((e=nameget_9p(args.aname, &nmp->aname)))
goto error;
cred = vfs_context_ucred(ctx);
if (IS_VALID_CRED(cred)) {
nmp->uid = kauth_cred_getuid(cred);
nmp->gid = kauth_cred_getgid(cred);
} else {
nmp->uid = KAUTH_UID_NONE;
nmp->gid = KAUTH_GID_NONE;
}
vfs_getnewfsid(mp);
vfs_setfsprivate(mp, nmp);
nmp->flags = args.flags;
if ((e=addrget_9p(args.addr, args.addrlen, &addr)))
goto error;
if ((e=connect_9p(nmp, addr)))
goto error;
vers = VERSION9P;
if (ISSET(nmp->flags, FLAG_DOTU))
vers = VERSION9PDOTU;
if ((e=version_9p(nmp, vers, &nmp->version)))
goto error;
if (ISSET(nmp->flags, FLAG_DOTU) && strcmp(VERSION9PDOTU, nmp->version)==0)
SET(nmp->flags, F_DOTU);
nmp->afid = NOFID;
if (args.authaddr && args.authaddrlen && args.authkey) {
if ((e=copyin(args.authkey, authkey, DESKEYLEN)))
goto error;
if ((e=addrget_9p(args.authaddr, args.authaddrlen, &authaddr)))
goto error;
if ((e=auth_9p(nmp, nmp->uname, nmp->aname, nmp->uid, &nmp->afid, &qid)))
goto error;
if (nmp->afid!=NOFID &&
(e=authp9any_9p(nmp, nmp->afid, authaddr, nmp->uname, authkey)))
goto error;
bzero(authkey, DESKEYLEN);
}
if ((e=attach_9p(nmp, nmp->uname, nmp->aname, nmp->afid, nmp->uid, &fid, &qid)))
goto error;
if ((e=nget_9p(nmp, fid, qid, NULL, &nmp->root, NULL, ctx)))
goto error;
nunlock_9p(NTO9P(nmp->root));
e = vnode_ref(nmp->root);
vnode_put(nmp->root);
if (e)
goto error;
vfs_setauthopaque(mp);
vfs_clearauthopaqueaccess(mp);
vfs_setlocklocal(mp);
// init stats
sp = vfs_statfs(nmp->mp);
copyinstr(args.spec, sp->f_mntfromname, MNAMELEN-1, &size);
bzero(sp->f_mntfromname+size, MNAMELEN-size);
sp->f_bsize = PAGE_SIZE;
sp->f_iosize = nmp->msize-IOHDRSZ;
sp->f_blocks = sp->f_bfree = sp->f_bavail = sp->f_bused = 0;
sp->f_files = 65535;
sp->f_ffree = sp->f_files-2;
sp->f_flags = vfs_flags(mp);
free_9p(addr);
free_9p(authaddr);
return 0;
error:
bzero(authkey, DESKEYLEN);
free_9p(addr);
free_9p(authaddr);
if (nmp->so) {
clunk_9p(nmp, fid);
disconnect_9p(nmp);
}
freemount_9p(nmp);
vfs_setfsprivate(mp, NULL);
return e;
}
/*
* Called from user land so we always have a reference on the share.
*/
int
smb_usr_query_dir(struct smb_share *share,
struct smb2ioc_query_dir *query_dir_ioc,
vfs_context_t context)
{
int error;
struct smb2_query_dir_rq *queryp = NULL;
SMB_MALLOC(queryp,
struct smb2_query_dir_rq *,
sizeof(struct smb2_query_dir_rq),
M_SMBTEMP,
M_WAITOK | M_ZERO);
if (queryp == NULL) {
SMBERROR("SMB_MALLOC failed\n");
error = ENOMEM;
goto bad;
}
/* Take 32 bit world pointers and convert them to user_addr_t. */
if (query_dir_ioc->ioc_rcv_output_len > 0) {
if (vfs_context_is64bit(context)) {
queryp->rcv_output_uio = uio_create(1, 0, UIO_USERSPACE64, UIO_READ);
}
else {
query_dir_ioc->ioc_kern_rcv_output =
CAST_USER_ADDR_T(query_dir_ioc->ioc_rcv_output);
queryp->rcv_output_uio = uio_create(1, 0, UIO_USERSPACE32, UIO_READ);
}
if (queryp->rcv_output_uio) {
uio_addiov(queryp->rcv_output_uio,
query_dir_ioc->ioc_kern_rcv_output,
query_dir_ioc->ioc_rcv_output_len);
}
else {
SMBERROR("uio_create failed\n");
error = ENOMEM;
goto bad;
}
}
/* Take the 32 bit world pointers and convert them to user_addr_t. */
if (!vfs_context_is64bit (context)) {
query_dir_ioc->ioc_kern_name = CAST_USER_ADDR_T(query_dir_ioc->ioc_name);
}
/* ioc_name_len includes the null byte, ioc_kern_name is a c-style string */
if (query_dir_ioc->ioc_kern_name && query_dir_ioc->ioc_name_len) {
queryp->name_len = query_dir_ioc->ioc_name_len;
queryp->namep = smb_memdupin(query_dir_ioc->ioc_kern_name,
query_dir_ioc->ioc_name_len);
if (queryp->namep == NULL) {
SMBERROR("smb_memdupin failed\n");
error = ENOMEM;
goto bad;
}
}
queryp->file_info_class = query_dir_ioc->ioc_file_info_class;
queryp->flags = query_dir_ioc->ioc_flags;
queryp->file_index = query_dir_ioc->ioc_file_index;
queryp->output_buffer_len = query_dir_ioc->ioc_rcv_output_len;
queryp->fid = query_dir_ioc->ioc_fid;
queryp->name_len = query_dir_ioc->ioc_name_len;
queryp->name_flags = query_dir_ioc->ioc_name_flags;
/*
* Never used for user ioctl query dir. User must have already opened
* the dir to be searched.
*/
queryp->dnp = NULL;
/*
* Since this is from user space, there is no mounted file system, so
* there are no vnodes and thus no queryp->dnp. This means that namep
* must be non NULL.
*
* If ioc_rcv_output_len is not 0, then copy results directly to user
* buffer and let them parse it.
*/
if ((queryp->namep == NULL) || (queryp->name_len == 0)) {
SMBERROR("missing name \n");
error = EINVAL;
goto bad;
}
/* Now do the real work */
error = smb2_smb_query_dir(share, queryp, NULL, context);
/* always return the ntstatus error */
query_dir_ioc->ioc_ret_ntstatus = queryp->ret_ntstatus;
if (error) {
goto bad;
}
/* Fill in amount of data returned in Query Dir reply */
query_dir_ioc->ioc_ret_output_len = queryp->ret_buffer_len;
/* Fill in actual amount of data returned */
query_dir_ioc->ioc_rcv_output_len = queryp->output_buffer_len;
bad:
if (queryp != NULL) {
if (queryp->ret_rqp != NULL) {
smb_rq_done(queryp->ret_rqp);
}
if (queryp->namep)
SMB_FREE(queryp->namep, M_SMBSTR);
if (queryp->rcv_output_uio != NULL) {
uio_free(queryp->rcv_output_uio);
}
SMB_FREE(queryp, M_SMBTEMP);
}
return error;
}
/*
* Called from user land so we always have a reference on the share.
*/
int
smb_usr_check_dir(struct smb_share *share, struct smb_vc *vcp,
struct smb2ioc_check_dir *check_dir_ioc,
vfs_context_t context)
{
int error;
char *local_pathp = NULL;
uint32_t local_path_len = check_dir_ioc->ioc_path_len;
uint32_t desired_access = SMB2_FILE_READ_ATTRIBUTES | SMB2_SYNCHRONIZE;
uint32_t share_access = NTCREATEX_SHARE_ACCESS_ALL;
/* Tell create, the namep is a path to an item */
uint64_t create_flags = SMB2_CREATE_NAME_IS_PATH;
struct smbfattr *fap = NULL;
size_t network_path_len = PATH_MAX + 1;
char *network_pathp = NULL;
/* Assume no error */
check_dir_ioc->ioc_ret_ntstatus = 0;
/*
* Compound Create/Close call should be sufficient.
* If item exists, verify it is a dir.
*/
/* Take the 32 bit world pointers and convert them to user_addr_t. */
if (!vfs_context_is64bit(context)) {
check_dir_ioc->ioc_kern_path = CAST_USER_ADDR_T(check_dir_ioc->ioc_path);
}
if (!(check_dir_ioc->ioc_kern_path)) {
error = EINVAL;
goto bad;
}
/* local_path_len includes the null byte, ioc_kern_path is a c-style string */
if (check_dir_ioc->ioc_kern_path && local_path_len) {
local_pathp = smb_memdupin(check_dir_ioc->ioc_kern_path,
local_path_len);
}
if (local_pathp == NULL) {
SMBERROR("smb_memdupin failed\n");
error = ENOMEM;
goto bad;
}
/*
* Need to convert from local path to a network path
*/
SMB_MALLOC(network_pathp, char *, network_path_len, M_TEMP, M_WAITOK | M_ZERO);
if (network_pathp == NULL) {
error = ENOMEM;
goto bad;
}
error = smb_convert_path_to_network(local_pathp, local_path_len,
network_pathp, &network_path_len,
'\\', SMB_UTF_SFM_CONVERSIONS,
SMB_UNICODE_STRINGS(vcp));
if (error) {
SMBERROR("smb_convert_path_to_network failed : %d\n", error);
goto bad;
}
/*
* Set up for Compound Create/Close call
*/
SMB_MALLOC(fap,
struct smbfattr *,
sizeof(struct smbfattr),
M_SMBTEMP,
M_WAITOK | M_ZERO);
if (fap == NULL) {
SMBERROR("SMB_MALLOC failed\n");
error = ENOMEM;
goto bad;
}
/* Send a Create/Close */
error = smb2fs_smb_cmpd_create(share, NULL,
network_pathp, network_path_len,
NULL, 0,
desired_access, VDIR,
share_access, FILE_OPEN,
create_flags, &check_dir_ioc->ioc_ret_ntstatus,
NULL, fap,
NULL, context);
if (error) {
goto bad;
}
/* found something, verify its a dir */
if (!(fap->fa_attr & SMB_EFA_DIRECTORY)) {
error = ENOTDIR;
check_dir_ioc->ioc_ret_ntstatus = STATUS_NOT_A_DIRECTORY;
}
bad:
if (local_pathp) {
SMB_FREE(local_pathp, M_SMBSTR);
}
if (network_pathp) {
SMB_FREE(network_pathp, M_SMBSTR);
}
if (fap) {
SMB_FREE(fap, M_SMBTEMP);
}
return error;
}
int
smb_usr_ioctl(struct smb_share *share, struct smb_vc *vcp,
struct smb2ioc_ioctl *ioctl_ioc, vfs_context_t context)
{
int error;
struct smb2_ioctl_rq *ioctlp = NULL;
SMB_MALLOC(ioctlp,
struct smb2_ioctl_rq *,
sizeof(struct smb2_ioctl_rq),
M_SMBTEMP,
M_WAITOK | M_ZERO);
if (ioctlp == NULL) {
SMBERROR("SMB_MALLOC failed\n");
error = ENOMEM;
goto bad;
}
again:
ioctlp->share = share;
ioctlp->ctl_code = ioctl_ioc->ioc_ctl_code;
ioctlp->fid = ioctl_ioc->ioc_fid;
ioctlp->snd_input_len = ioctl_ioc->ioc_snd_input_len;
ioctlp->snd_output_len = ioctl_ioc->ioc_snd_output_len;
ioctlp->rcv_input_len = ioctl_ioc->ioc_rcv_input_len;
/* Handle servers that dislike large output buffer lengths */
if (vcp->vc_misc_flags & SMBV_63K_IOCTL) {
ioctlp->rcv_output_len = kSMB_63K;
}
else {
ioctlp->rcv_output_len = ioctl_ioc->ioc_rcv_output_len;
}
/* Take 32 bit world pointers and convert them to user_addr_t. */
if (ioctl_ioc->ioc_snd_input_len > 0) {
if (vfs_context_is64bit(context)) {
ioctlp->snd_input_uio = uio_create(1, 0, UIO_USERSPACE64, UIO_WRITE);
}
else {
ioctl_ioc->ioc_kern_snd_input =
CAST_USER_ADDR_T(ioctl_ioc->ioc_snd_input);
ioctlp->snd_input_uio = uio_create(1, 0, UIO_USERSPACE32, UIO_WRITE);
}
if (ioctlp->snd_input_uio) {
uio_addiov(ioctlp->snd_input_uio,
ioctl_ioc->ioc_kern_snd_input,
ioctl_ioc->ioc_snd_input_len);
}
else {
SMBERROR("uio_create failed\n");
error = ENOMEM;
goto bad;
}
}
/* Take 32 bit world pointers and convert them to user_addr_t. */
if (ioctl_ioc->ioc_snd_output_len > 0) {
if (vfs_context_is64bit(context)) {
ioctlp->snd_output_uio = uio_create(1, 0, UIO_USERSPACE64, UIO_WRITE);
}
else {
ioctl_ioc->ioc_kern_snd_output =
CAST_USER_ADDR_T(ioctl_ioc->ioc_snd_output);
ioctlp->snd_output_uio = uio_create(1, 0, UIO_USERSPACE32, UIO_WRITE);
}
if (ioctlp->snd_output_uio) {
uio_addiov(ioctlp->snd_output_uio,
ioctl_ioc->ioc_kern_snd_output,
ioctl_ioc->ioc_snd_output_len);
}
else {
SMBERROR("uio_create failed\n");
error = ENOMEM;
goto bad;
}
}
/* Take 32 bit world pointers and convert them to user_addr_t. */
if (ioctl_ioc->ioc_rcv_input_len > 0) {
if (vfs_context_is64bit(context)) {
ioctlp->rcv_input_uio = uio_create(1, 0, UIO_USERSPACE64, UIO_READ);
}
else {
ioctl_ioc->ioc_kern_rcv_input =
CAST_USER_ADDR_T(ioctl_ioc->ioc_rcv_input);
ioctlp->rcv_input_uio = uio_create(1, 0, UIO_USERSPACE32, UIO_READ);
}
if (ioctlp->rcv_input_uio) {
uio_addiov(ioctlp->rcv_input_uio,
ioctl_ioc->ioc_kern_rcv_input,
ioctl_ioc->ioc_rcv_input_len);
}
else {
SMBERROR("uio_create failed\n");
error = ENOMEM;
goto bad;
}
}
/* Take 32 bit world pointers and convert them to user_addr_t. */
if (ioctl_ioc->ioc_rcv_output_len > 0) {
if (vfs_context_is64bit(context)) {
ioctlp->rcv_output_uio = uio_create(1, 0, UIO_USERSPACE64, UIO_READ);
}
else {
ioctl_ioc->ioc_kern_rcv_output =
CAST_USER_ADDR_T(ioctl_ioc->ioc_rcv_output);
ioctlp->rcv_output_uio = uio_create(1, 0, UIO_USERSPACE32, UIO_READ);
}
if (ioctlp->rcv_output_uio) {
uio_addiov(ioctlp->rcv_output_uio,
ioctl_ioc->ioc_kern_rcv_output,
ioctl_ioc->ioc_rcv_output_len);
}
else {
SMBERROR("uio_create failed\n");
error = ENOMEM;
goto bad;
}
}
/* Now do the real work */
error = smb2_smb_ioctl(share, ioctlp, NULL, context);
if ((error) &&
(ioctlp->ret_ntstatus == STATUS_INVALID_PARAMETER) &&
!(vcp->vc_misc_flags & SMBV_63K_IOCTL)) {
/*
* <14281932> Could this be a server that can not handle
* larger than 65535 bytes in an IOCTL?
*/
SMBWARNING("SMB 2/3 server cant handle large OutputBufferLength in IOCTL. Reducing to 63Kb.\n");
vcp->vc_misc_flags |= SMBV_63K_IOCTL;
ioctlp->ret_ntstatus = 0;
if (ioctlp->snd_input_uio != NULL) {
uio_free(ioctlp->snd_input_uio);
ioctlp->snd_input_uio = NULL;
}
if (ioctlp->snd_output_uio != NULL) {
uio_free(ioctlp->snd_output_uio);
ioctlp->snd_output_uio = NULL;
}
if (ioctlp->rcv_input_uio != NULL) {
uio_free(ioctlp->rcv_input_uio);
ioctlp->rcv_input_uio = NULL;
}
if (ioctlp->rcv_output_uio != NULL) {
uio_free(ioctlp->rcv_output_uio);
ioctlp->rcv_output_uio = NULL;
}
goto again;
}
/* always return the ntstatus error */
ioctl_ioc->ioc_ret_ntstatus = ioctlp->ret_ntstatus;
if (error) {
goto bad;
}
/* Fill in actual bytes returned */
ioctl_ioc->ioc_ret_input_len = ioctlp->ret_input_len;
ioctl_ioc->ioc_ret_output_len = ioctlp->ret_output_len;
bad:
if (ioctlp != NULL) {
if (ioctlp->snd_input_uio != NULL) {
uio_free(ioctlp->snd_input_uio);
}
if (ioctlp->snd_output_uio != NULL) {
uio_free(ioctlp->snd_output_uio);
}
if (ioctlp->rcv_input_uio != NULL) {
uio_free(ioctlp->rcv_input_uio);
}
if (ioctlp->rcv_output_uio != NULL) {
uio_free(ioctlp->rcv_output_uio);
}
SMB_FREE(ioctlp, M_SMBTEMP);
}
return error;
}
int
smb_usr_get_dfs_referral(struct smb_share *share, struct smb_vc *vcp,
struct smb2ioc_get_dfs_referral *get_dfs_refer_ioc,
vfs_context_t context)
{
int error;
struct smb2_ioctl_rq *ioctlp = NULL;
struct smb2_get_dfs_referral dfs_referral;
char *local_pathp = NULL;
uint32_t local_path_len = get_dfs_refer_ioc->ioc_file_name_len;
size_t network_path_len = PATH_MAX + 1;
char *network_pathp = NULL;
SMB_MALLOC(ioctlp,
struct smb2_ioctl_rq *,
sizeof(struct smb2_ioctl_rq),
M_SMBTEMP,
M_WAITOK | M_ZERO);
if (ioctlp == NULL) {
SMBERROR("SMB_MALLOC failed\n");
error = ENOMEM;
goto bad;
}
again:
/* Take the 32 bit world pointers and convert them to user_addr_t. */
bzero(&dfs_referral, sizeof(dfs_referral));
dfs_referral.file_namep = NULL;
dfs_referral.max_referral_level = get_dfs_refer_ioc->ioc_max_referral_level;
if (!vfs_context_is64bit (context)) {
get_dfs_refer_ioc->ioc_kern_file_name = CAST_USER_ADDR_T(get_dfs_refer_ioc->ioc_file_name);
}
if (!(get_dfs_refer_ioc->ioc_kern_file_name)) {
error = EINVAL;
goto bad;
}
/* ioc_file_name_len includes the null byte, ioc_kern_file_name is a c-style string */
if (get_dfs_refer_ioc->ioc_kern_file_name && get_dfs_refer_ioc->ioc_file_name_len) {
local_pathp = smb_memdupin(get_dfs_refer_ioc->ioc_kern_file_name,
local_path_len);
}
if (local_pathp == NULL) {
SMBERROR("smb_memdupin failed\n");
error = ENOMEM;
goto bad;
}
/*
* Need to convert from local path to a network path
*/
SMB_MALLOC(network_pathp, char *, network_path_len, M_TEMP, M_WAITOK | M_ZERO);
if (network_pathp == NULL) {
error = ENOMEM;
goto bad;
}
error = smb_convert_path_to_network(local_pathp, local_path_len,
network_pathp, &network_path_len,
'\\', SMB_UTF_SFM_CONVERSIONS,
SMB_UNICODE_STRINGS(vcp));
if (error) {
SMBERROR("smb_convert_path_to_network failed : %d\n", error);
goto bad;
}
dfs_referral.file_namep = network_pathp;
dfs_referral.file_name_len = (uint32_t) network_path_len;
/* Take 32 bit world pointers and convert them to user_addr_t. */
if (get_dfs_refer_ioc->ioc_rcv_output_len > 0) {
if (vfs_context_is64bit(context)) {
ioctlp->rcv_output_uio = uio_create(1, 0, UIO_USERSPACE64, UIO_READ);
}
else {
get_dfs_refer_ioc->ioc_kern_rcv_output = CAST_USER_ADDR_T(get_dfs_refer_ioc->ioc_rcv_output);
ioctlp->rcv_output_uio = uio_create(1, 0, UIO_USERSPACE32, UIO_READ);
}
if (ioctlp->rcv_output_uio) {
uio_addiov(ioctlp->rcv_output_uio,
get_dfs_refer_ioc->ioc_kern_rcv_output,
get_dfs_refer_ioc->ioc_rcv_output_len);
}
else {
error = ENOMEM;
SMBERROR("uio_create failed\n");
goto bad;
}
}
ioctlp->share = share;
ioctlp->ctl_code = FSCTL_DFS_GET_REFERRALS;
ioctlp->fid = -1;
ioctlp->snd_input_buffer = (uint8_t *) &dfs_referral;
ioctlp->snd_input_len = sizeof(struct smb2_get_dfs_referral);
ioctlp->snd_output_len = 0;
ioctlp->rcv_input_len = 0;
/* Handle servers that dislike large output buffer lengths */
if (vcp->vc_misc_flags & SMBV_63K_IOCTL) {
ioctlp->rcv_output_len = kSMB_63K;
}
else {
ioctlp->rcv_output_len = get_dfs_refer_ioc->ioc_rcv_output_len;
}
/* Now do the real work */
error = smb2_smb_ioctl(share, ioctlp, NULL, context);
if ((error) &&
(ioctlp->ret_ntstatus == STATUS_INVALID_PARAMETER) &&
!(vcp->vc_misc_flags & SMBV_63K_IOCTL)) {
/*
* <14281932> Could this be a server that can not handle
* larger than 65535 bytes in an IOCTL?
*/
SMBWARNING("SMB 2/3 server cant handle large OutputBufferLength in DFS Referral. Reducing to 63Kb.\n");
vcp->vc_misc_flags |= SMBV_63K_IOCTL;
ioctlp->ret_ntstatus = 0;
if (ioctlp->snd_input_uio != NULL) {
uio_free(ioctlp->snd_input_uio);
ioctlp->snd_input_uio = NULL;
}
if (ioctlp->snd_output_uio != NULL) {
uio_free(ioctlp->snd_output_uio);
ioctlp->snd_output_uio = NULL;
}
if (ioctlp->rcv_input_uio != NULL) {
uio_free(ioctlp->rcv_input_uio);
ioctlp->rcv_input_uio = NULL;
}
if (ioctlp->rcv_output_uio != NULL) {
uio_free(ioctlp->rcv_output_uio);
ioctlp->rcv_output_uio = NULL;
}
goto again;
}
/* always return the ntstatus error */
get_dfs_refer_ioc->ioc_ret_ntstatus = ioctlp->ret_ntstatus;
if (error) {
goto bad;
}
/* Fill in actual bytes returned */
get_dfs_refer_ioc->ioc_ret_output_len = ioctlp->ret_output_len;
bad:
if (ioctlp != NULL) {
if (ioctlp->snd_input_uio != NULL) {
uio_free(ioctlp->snd_input_uio);
}
if (ioctlp->snd_output_uio != NULL) {
uio_free(ioctlp->snd_output_uio);
}
if (ioctlp->rcv_input_uio != NULL) {
uio_free(ioctlp->rcv_input_uio);
}
if (ioctlp->rcv_output_uio != NULL) {
uio_free(ioctlp->rcv_output_uio);
}
SMB_FREE(ioctlp, M_SMBTEMP);
}
if (local_pathp) {
SMB_FREE(local_pathp, M_SMBSTR);
}
if (network_pathp) {
SMB_FREE(network_pathp, M_SMBSTR);
}
return error;
}
/*
* Called from user land so we always have a reference on the share.
*/
int
smb_usr_create(struct smb_share *share, struct smb2ioc_create *create_ioc,
vfs_context_t context)
{
int error;
struct smb2_create_rq *createp = NULL;
SMB_MALLOC(createp,
struct smb2_create_rq *,
sizeof(struct smb2_create_rq),
M_SMBTEMP,
M_WAITOK | M_ZERO);
if (createp == NULL) {
SMBERROR("SMB_MALLOC failed\n");
error = ENOMEM;
goto bad;
}
/* Take the 32 bit world pointers and convert them to user_addr_t. */
if (!vfs_context_is64bit (context)) {
create_ioc->ioc_kern_name = CAST_USER_ADDR_T(create_ioc->ioc_name);
}
/* ioc_name_len includes the null byte, ioc_kern_name is a c-style string */
if (create_ioc->ioc_kern_name && create_ioc->ioc_name_len) {
createp->name_len = create_ioc->ioc_name_len;
createp->namep = smb_memdupin(create_ioc->ioc_kern_name,
create_ioc->ioc_name_len);
if (createp->namep == NULL) {
SMBERROR("smb_memdupin failed\n");
error = ENOMEM;
goto bad;
}
}
createp->flags = SMB2_CREATE_GET_MAX_ACCESS;
createp->oplock_level = create_ioc->ioc_oplock_level;
createp->impersonate_level = create_ioc->ioc_impersonate_level;
createp->desired_access = create_ioc->ioc_desired_access;
createp->file_attributes = create_ioc->ioc_file_attributes;
createp->share_access = create_ioc->ioc_share_access;
createp->disposition = create_ioc->ioc_disposition;
createp->create_options = create_ioc->ioc_create_options;
createp->dnp = NULL;
/* Now do the real work */
error = smb2_smb_create(share, createp, NULL, context);
/* always return the ntstatus error */
create_ioc->ioc_ret_ntstatus = createp->ret_ntstatus;
if (error) {
goto bad;
}
/* Fill in return parameters */
create_ioc->ioc_ret_attributes = createp->ret_attributes;
create_ioc->ioc_ret_oplock_level = createp->ret_oplock_level;
create_ioc->ioc_ret_create_action = createp->ret_create_action;
create_ioc->ioc_ret_create_time = createp->ret_create_time;
create_ioc->ioc_ret_access_time = createp->ret_access_time;
create_ioc->ioc_ret_write_time = createp->ret_write_time;
create_ioc->ioc_ret_change_time = createp->ret_change_time;
create_ioc->ioc_ret_alloc_size = createp->ret_alloc_size;
create_ioc->ioc_ret_eof = createp->ret_eof;
create_ioc->ioc_ret_fid = createp->ret_fid;
create_ioc->ioc_ret_max_access = createp->ret_max_access;
bad:
if (createp != NULL) {
if (createp->namep)
SMB_FREE(createp->namep, M_SMBSTR);
SMB_FREE(createp, M_SMBTEMP);
}
return error;
}