int
smb_vop_mkdir(vnode_t *dvp, char *name, smb_attr_t *attr, vnode_t **vpp,
int flags, cred_t *cr, vsecattr_t *vsap)
{
int error;
int option_flags = 0;
xvattr_t xvattr;
vattr_t *vap;
char *np = name;
char namebuf[MAXNAMELEN];
if (flags & SMB_IGNORE_CASE)
option_flags = FIGNORECASE;
attr->sa_vattr.va_mask = 0;
if (vfs_has_feature(dvp->v_vfsp, VFSFT_XVATTR)) {
smb_vop_setup_xvattr(attr, &xvattr);
vap = &xvattr.xva_vattr;
} else {
smb_sa_to_va_mask(attr->sa_mask, &attr->sa_vattr.va_mask);
vap = &attr->sa_vattr;
}
if (flags & SMB_CATIA) {
np = smb_vop_catia_v5tov4(name, namebuf, sizeof (namebuf));
if (strchr(np, '/') != NULL)
return (EILSEQ);
}
error = VOP_MKDIR(dvp, np, vap, vpp, cr, &smb_ct, option_flags, vsap);
return (error);
}
/*
* smb_vop_setattr()
*
* smb_fsop_setattr()/smb_vop_setattr() should always be used instead of
* VOP_SETATTR() when calling from the CIFS service, due to special processing
* for streams files.
*
* Streams have a size but otherwise do not have separate attributes from
* the (unnamed stream) file, i.e., the security and ownership of the file
* applies to the stream. In contrast, extended attribute files, which are
* used to implement streams, are independent objects with their own
* attributes.
*
* For compatibility with streams, we set the size on the extended attribute
* file and apply other attributes to the (unnamed stream) file. The one
* exception is that the UID and GID can be set on the stream by passing a
* NULL unnamed_vp, which allows callers to synchronize stream ownership
* with the (unnamed stream) file.
*/
int
smb_vop_setattr(vnode_t *vp, vnode_t *unnamed_vp, smb_attr_t *attr,
int flags, cred_t *cr)
{
int error = 0;
int at_size = 0;
vnode_t *use_vp;
xvattr_t xvattr;
vattr_t *vap;
if (attr->sa_mask & SMB_AT_DOSATTR) {
attr->sa_dosattr &=
(FILE_ATTRIBUTE_ARCHIVE | FILE_ATTRIBUTE_READONLY |
FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM);
}
if (unnamed_vp) {
use_vp = unnamed_vp;
if (attr->sa_mask & SMB_AT_SIZE) {
at_size = 1;
attr->sa_mask &= ~SMB_AT_SIZE;
}
} else {
use_vp = vp;
}
/*
* The caller should not be setting sa_vattr.va_mask,
* but rather sa_mask.
*/
attr->sa_vattr.va_mask = 0;
if (vfs_has_feature(use_vp->v_vfsp, VFSFT_XVATTR)) {
smb_vop_setup_xvattr(attr, &xvattr);
vap = &xvattr.xva_vattr;
} else {
smb_sa_to_va_mask(attr->sa_mask,
&attr->sa_vattr.va_mask);
vap = &attr->sa_vattr;
}
if ((error = VOP_SETATTR(use_vp, vap, flags, cr, &smb_ct)) != 0)
return (error);
if (at_size) {
attr->sa_vattr.va_mask = AT_SIZE;
error = VOP_SETATTR(vp, &attr->sa_vattr, flags, kcred, &smb_ct);
}
return (error);
}
/*
* smb_vop_readdir()
*
* Collects an SMB_MINLEN_RDDIR_BUF "page" of directory entries.
* The directory entries are returned in an fs-independent format by the
* underlying file system. That is, the "page" of information returned is
* not literally stored on-disk in the format returned.
* If the file system supports extended directory entries (has features
* VFSFT_DIRENTFLAGS), set V_RDDIR_ENTFLAGS to cause the buffer to be
* filled with edirent_t structures, instead of dirent64_t structures.
* If the file system supports access based enumeration (abe), set
* V_RDDIR_ACCFILTER to filter directory entries based on user cred.
*/
int
smb_vop_readdir(vnode_t *vp, uint32_t offset,
void *buf, int *count, int *eof, uint32_t rddir_flag, cred_t *cr)
{
int error = 0;
int flags = 0;
int rdirent_size;
struct uio auio;
struct iovec aiov;
if (vp->v_type != VDIR)
return (ENOTDIR);
if (vfs_has_feature(vp->v_vfsp, VFSFT_DIRENTFLAGS)) {
flags |= V_RDDIR_ENTFLAGS;
rdirent_size = sizeof (edirent_t);
} else {
rdirent_size = sizeof (dirent64_t);
}
if (*count < rdirent_size)
return (EINVAL);
if (rddir_flag & SMB_ABE)
flags |= V_RDDIR_ACCFILTER;
aiov.iov_base = buf;
aiov.iov_len = *count;
auio.uio_iov = &aiov;
auio.uio_iovcnt = 1;
auio.uio_loffset = (uint64_t)offset;
auio.uio_segflg = UIO_SYSSPACE;
auio.uio_resid = *count;
auio.uio_fmode = 0;
(void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, &smb_ct);
error = VOP_READDIR(vp, &auio, cr, eof, &smb_ct, flags);
VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, &smb_ct);
if (error == 0)
*count = *count - auio.uio_resid;
return (error);
}
/* ARGSUSED */
static int
xattr_file_write(vnode_t *vp, uio_t *uiop, int ioflag, cred_t *cr,
caller_context_t *ct)
{
int error = 0;
char *buf;
char *domain;
uint32_t rid;
ssize_t size = uiop->uio_resid;
nvlist_t *nvp;
nvpair_t *pair = NULL;
vnode_t *ppvp;
xvattr_t xvattr;
xoptattr_t *xoap = NULL; /* Pointer to optional attributes */
if (vfs_has_feature(vp->v_vfsp, VFSFT_XVATTR) == 0)
return (EINVAL);
/*
* Validate file offset and size.
*/
if (uiop->uio_loffset < (offset_t)0)
return (EINVAL);
if (size == 0)
return (EINVAL);
xva_init(&xvattr);
if ((xoap = xva_getxoptattr(&xvattr)) == NULL) {
return (EINVAL);
}
/*
* Copy and unpack the nvlist
*/
buf = kmem_alloc(size, KM_SLEEP);
if (uiomove((caddr_t)buf, size, UIO_WRITE, uiop)) {
return (EFAULT);
}
if (nvlist_unpack(buf, size, &nvp, KM_SLEEP) != 0) {
kmem_free(buf, size);
uiop->uio_resid = size;
return (EINVAL);
}
kmem_free(buf, size);
/*
* Fasttrack empty writes (nvlist with no nvpairs)
*/
if (nvlist_next_nvpair(nvp, NULL) == 0)
return (0);
ppvp = gfs_file_parent(gfs_file_parent(vp));
while (pair = nvlist_next_nvpair(nvp, pair)) {
data_type_t type;
f_attr_t attr;
boolean_t value;
uint64_t *time, *times;
uint_t elem, nelems;
nvlist_t *nvp_sid;
uint8_t *scanstamp;
/*
* Validate the name and type of each attribute.
* Log any unknown names and continue. This will
* help if additional attributes are added later.
*/
type = nvpair_type(pair);
if ((attr = name_to_attr(nvpair_name(pair))) == F_ATTR_INVAL) {
cmn_err(CE_WARN, "Unknown attribute %s",
nvpair_name(pair));
continue;
}
/*
* Verify nvlist type matches required type and view is OK
*/
if (type != attr_to_data_type(attr) ||
(attr_to_xattr_view(attr) == XATTR_VIEW_READONLY)) {
nvlist_free(nvp);
return (EINVAL);
}
/*
* For OWNERSID/GROUPSID make sure the target
* file system support ephemeral ID's
*/
if ((attr == F_OWNERSID || attr == F_GROUPSID) &&
(!(vp->v_vfsp->vfs_flag & VFS_XID))) {
nvlist_free(nvp);
return (EINVAL);
}
/*
* Retrieve data from nvpair
*/
switch (type) {
case DATA_TYPE_BOOLEAN_VALUE:
if (nvpair_value_boolean_value(pair, &value)) {
nvlist_free(nvp);
return (EINVAL);
}
break;
case DATA_TYPE_UINT64_ARRAY:
if (nvpair_value_uint64_array(pair, ×, &nelems)) {
nvlist_free(nvp);
return (EINVAL);
}
break;
case DATA_TYPE_NVLIST:
if (nvpair_value_nvlist(pair, &nvp_sid)) {
nvlist_free(nvp);
return (EINVAL);
}
break;
case DATA_TYPE_UINT8_ARRAY:
if (nvpair_value_uint8_array(pair,
&scanstamp, &nelems)) {
nvlist_free(nvp);
return (EINVAL);
}
break;
default:
nvlist_free(nvp);
return (EINVAL);
}
switch (attr) {
/*
* If we have several similar optional attributes to
* process then we should do it all together here so that
* xoap and the requested bitmap can be set in one place.
*/
case F_READONLY:
XVA_SET_REQ(&xvattr, XAT_READONLY);
xoap->xoa_readonly = value;
break;
case F_HIDDEN:
XVA_SET_REQ(&xvattr, XAT_HIDDEN);
xoap->xoa_hidden = value;
break;
case F_SYSTEM:
XVA_SET_REQ(&xvattr, XAT_SYSTEM);
xoap->xoa_system = value;
break;
case F_ARCHIVE:
XVA_SET_REQ(&xvattr, XAT_ARCHIVE);
xoap->xoa_archive = value;
break;
case F_IMMUTABLE:
XVA_SET_REQ(&xvattr, XAT_IMMUTABLE);
xoap->xoa_immutable = value;
break;
case F_NOUNLINK:
XVA_SET_REQ(&xvattr, XAT_NOUNLINK);
xoap->xoa_nounlink = value;
break;
case F_APPENDONLY:
XVA_SET_REQ(&xvattr, XAT_APPENDONLY);
xoap->xoa_appendonly = value;
break;
case F_NODUMP:
XVA_SET_REQ(&xvattr, XAT_NODUMP);
xoap->xoa_nodump = value;
break;
case F_AV_QUARANTINED:
XVA_SET_REQ(&xvattr, XAT_AV_QUARANTINED);
xoap->xoa_av_quarantined = value;
break;
case F_AV_MODIFIED:
XVA_SET_REQ(&xvattr, XAT_AV_MODIFIED);
xoap->xoa_av_modified = value;
break;
case F_CRTIME:
XVA_SET_REQ(&xvattr, XAT_CREATETIME);
time = (uint64_t *)&(xoap->xoa_createtime);
for (elem = 0; elem < nelems; elem++)
*time++ = times[elem];
break;
case F_OWNERSID:
case F_GROUPSID:
if (nvlist_lookup_string(nvp_sid, SID_DOMAIN,
&domain) || nvlist_lookup_uint32(nvp_sid, SID_RID,
&rid)) {
nvlist_free(nvp);
return (EINVAL);
}
/*
* Now map domain+rid to ephemeral id's
*
* If mapping fails, then the uid/gid will
* be set to UID_NOBODY by Winchester.
*/
if (attr == F_OWNERSID) {
(void) kidmap_getuidbysid(crgetzone(cr), domain,
rid, &xvattr.xva_vattr.va_uid);
xvattr.xva_vattr.va_mask |= AT_UID;
} else {
(void) kidmap_getgidbysid(crgetzone(cr), domain,
rid, &xvattr.xva_vattr.va_gid);
xvattr.xva_vattr.va_mask |= AT_GID;
}
break;
case F_AV_SCANSTAMP:
if (ppvp->v_type == VREG) {
XVA_SET_REQ(&xvattr, XAT_AV_SCANSTAMP);
(void) memcpy(xoap->xoa_av_scanstamp,
scanstamp, nelems);
} else {
nvlist_free(nvp);
return (EINVAL);
}
break;
case F_REPARSE:
XVA_SET_REQ(&xvattr, XAT_REPARSE);
xoap->xoa_reparse = value;
break;
case F_OFFLINE:
XVA_SET_REQ(&xvattr, XAT_OFFLINE);
xoap->xoa_offline = value;
break;
case F_SPARSE:
XVA_SET_REQ(&xvattr, XAT_SPARSE);
xoap->xoa_sparse = value;
break;
default:
break;
}
}
ppvp = gfs_file_parent(gfs_file_parent(vp));
error = VOP_SETATTR(ppvp, &xvattr.xva_vattr, 0, cr, ct);
if (error)
uiop->uio_resid = size;
nvlist_free(nvp);
return (error);
}
/* ARGSUSED */
int
fs_pathconf(
vnode_t *vp,
int cmd,
ulong_t *valp,
cred_t *cr,
caller_context_t *ct)
{
register ulong_t val;
register int error = 0;
struct statvfs64 vfsbuf;
switch (cmd) {
case _PC_LINK_MAX:
val = MAXLINK;
break;
case _PC_MAX_CANON:
val = MAX_CANON;
break;
case _PC_MAX_INPUT:
val = MAX_INPUT;
break;
case _PC_NAME_MAX:
bzero(&vfsbuf, sizeof (vfsbuf));
if (error = VFS_STATVFS(vp->v_vfsp, &vfsbuf))
break;
val = vfsbuf.f_namemax;
break;
case _PC_PATH_MAX:
case _PC_SYMLINK_MAX:
val = MAXPATHLEN;
break;
case _PC_PIPE_BUF:
val = PIPE_BUF;
break;
case _PC_NO_TRUNC:
if (vp->v_vfsp->vfs_flag & VFS_NOTRUNC)
val = 1; /* NOTRUNC is enabled for vp */
else
val = (ulong_t)-1;
break;
case _PC_VDISABLE:
val = _POSIX_VDISABLE;
break;
case _PC_CHOWN_RESTRICTED:
if (rstchown)
val = rstchown; /* chown restricted enabled */
else
val = (ulong_t)-1;
break;
case _PC_FILESIZEBITS:
/*
* If ever we come here it means that underlying file system
* does not recognise the command and therefore this
* configurable limit cannot be determined. We return -1
* and don't change errno.
*/
val = (ulong_t)-1; /* large file support */
break;
case _PC_ACL_ENABLED:
val = 0;
break;
case _PC_CASE_BEHAVIOR:
val = _CASE_SENSITIVE;
if (vfs_has_feature(vp->v_vfsp, VFSFT_CASEINSENSITIVE) == 1)
val |= _CASE_INSENSITIVE;
if (vfs_has_feature(vp->v_vfsp, VFSFT_NOCASESENSITIVE) == 1)
val &= ~_CASE_SENSITIVE;
break;
case _PC_SATTR_ENABLED:
case _PC_SATTR_EXISTS:
val = 0;
break;
case _PC_ACCESS_FILTERING:
val = 0;
break;
default:
error = EINVAL;
break;
}
if (error == 0)
*valp = val;
return (error);
}
/*
* gfs_dir_lookup()
*
* Looks up the given name in the directory and returns the corresponding
* vnode, if found.
*
* First, we search statically defined entries, if any, with a call to
* gfs_dir_lookup_static(). If no static entry is found, and we have
* a callback function we try a dynamic lookup via gfs_dir_lookup_dynamic().
*
* This function returns 0 on success, non-zero on error.
*/
int
gfs_dir_lookup(vnode_t *dvp, const char *nm, vnode_t **vpp, cred_t *cr,
int flags, int *direntflags, pathname_t *realpnp)
{
gfs_dir_t *dp = dvp->v_data;
boolean_t casecheck;
vnode_t *dynvp = NULL;
vnode_t *vp = NULL;
int (*compare)(const char *, const char *);
int error, idx;
ASSERT(dvp->v_type == VDIR);
if (gfs_lookup_dot(vpp, dvp, dp->gfsd_file.gfs_parent, nm) == 0)
return (0);
casecheck = (flags & FIGNORECASE) != 0 && direntflags != NULL;
if (vfs_has_feature(dvp->v_vfsp, VFSFT_NOCASESENSITIVE) ||
(flags & FIGNORECASE))
compare = strcasecmp;
else
compare = strcmp;
gfs_dir_lock(dp);
error = gfs_dir_lookup_static(compare, dp, nm, dvp, &idx, &vp, realpnp);
if (vp && casecheck) {
gfs_dirent_t *ge;
int i;
for (i = idx + 1; i < dp->gfsd_nstatic; i++) {
ge = &dp->gfsd_static[i];
if (strcasecmp(ge->gfse_name, nm) == 0) {
*direntflags |= ED_CASE_CONFLICT;
goto out;
}
}
}
if ((error || casecheck) && dp->gfsd_lookup)
error = gfs_dir_lookup_dynamic(dp->gfsd_lookup, dp, nm, dvp,
&dynvp, cr, flags, direntflags, vp ? NULL : realpnp);
if (vp && dynvp) {
/* static and dynamic entries are case-insensitive conflict */
ASSERT(casecheck);
*direntflags |= ED_CASE_CONFLICT;
VN_RELE(dynvp);
} else if (vp == NULL) {
vp = dynvp;
} else if (error == ENOENT) {
error = 0;
} else if (error) {
VN_RELE(vp);
vp = NULL;
}
out:
gfs_dir_unlock(dp);
*vpp = vp;
return (error);
}
/*
* Always set ACL support because the VFS will fake ACLs for file systems
* that don't support them.
*
* Some flags are dependent on the typename, which is also set up here.
* File system types are hardcoded in uts/common/os/vfs_conf.c.
*/
static void
smb_tree_get_flags(const smb_share_t *si, vfs_t *vfsp, smb_tree_t *tree)
{
typedef struct smb_mtype {
char *mt_name;
size_t mt_namelen;
uint32_t mt_flags;
} smb_mtype_t;
static smb_mtype_t smb_mtype[] = {
{ "zfs", 3, SMB_TREE_UNICODE_ON_DISK },
{ "ufs", 3, SMB_TREE_UNICODE_ON_DISK },
{ "nfs", 3, SMB_TREE_NFS_MOUNTED },
{ "tmpfs", 5, SMB_TREE_NO_EXPORT }
};
smb_mtype_t *mtype;
char *name;
uint32_t flags = SMB_TREE_SUPPORTS_ACLS;
int i;
if (si->shr_flags & SMB_SHRF_CATIA)
flags |= SMB_TREE_CATIA;
if (si->shr_flags & SMB_SHRF_ABE)
flags |= SMB_TREE_ABE;
if (vfsp->vfs_flag & VFS_RDONLY)
flags |= SMB_TREE_READONLY;
if (vfsp->vfs_flag & VFS_XATTR)
flags |= SMB_TREE_STREAMS;
if (vfs_optionisset(vfsp, MNTOPT_NOATIME, NULL))
flags |= SMB_TREE_NO_ATIME;
name = vfssw[vfsp->vfs_fstype].vsw_name;
for (i = 0; i < sizeof (smb_mtype) / sizeof (smb_mtype[0]); ++i) {
mtype = &smb_mtype[i];
if (strncasecmp(name, mtype->mt_name, mtype->mt_namelen) == 0)
flags |= mtype->mt_flags;
}
(void) strlcpy(tree->t_typename, name, SMB_TYPENAMELEN);
(void) smb_strupr((char *)tree->t_typename);
if (vfs_has_feature(vfsp, VFSFT_XVATTR))
flags |= SMB_TREE_XVATTR;
if (vfs_has_feature(vfsp, VFSFT_CASEINSENSITIVE))
flags |= SMB_TREE_CASEINSENSITIVE;
if (vfs_has_feature(vfsp, VFSFT_NOCASESENSITIVE))
flags |= SMB_TREE_NO_CASESENSITIVE;
if (vfs_has_feature(vfsp, VFSFT_DIRENTFLAGS))
flags |= SMB_TREE_DIRENTFLAGS;
if (vfs_has_feature(vfsp, VFSFT_ACLONCREATE))
flags |= SMB_TREE_ACLONCREATE;
if (vfs_has_feature(vfsp, VFSFT_ACEMASKONACCESS))
flags |= SMB_TREE_ACEMASKONACCESS;
DTRACE_PROBE2(smb__tree__flags, uint32_t, flags, char *, name);
tree->t_flags = flags;
}
/*
* smb_vop_getattr()
*
* smb_fsop_getattr()/smb_vop_getattr() should always be called from the CIFS
* service (instead of calling VOP_GETATTR directly) to retrieve attributes
* due to special processing needed for streams files.
*
* All attributes are retrieved.
*
* When vp denotes a named stream, then unnamed_vp should be passed in (denoting
* the corresponding unnamed stream).
* A named stream's attributes (as far as CIFS is concerned) are those of the
* unnamed stream (minus the size attribute, and the type), plus the size of
* the named stream, and a type value of VREG.
* Although the file system may store other attributes with the named stream,
* these should not be used by CIFS for any purpose.
*
* File systems without VFSFT_XVATTR do not support DOS attributes or create
* time (crtime). In this case the mtime is used as the crtime.
* Likewise if VOP_GETATTR doesn't return any system attributes the dosattr
* is 0 and the mtime is used as the crtime.
*/
int
smb_vop_getattr(vnode_t *vp, vnode_t *unnamed_vp, smb_attr_t *ret_attr,
int flags, cred_t *cr)
{
int error;
vnode_t *use_vp;
smb_attr_t tmp_attr;
xvattr_t tmp_xvattr;
xoptattr_t *xoap = NULL;
if (unnamed_vp)
use_vp = unnamed_vp;
else
use_vp = vp;
if (vfs_has_feature(use_vp->v_vfsp, VFSFT_XVATTR)) {
xva_init(&tmp_xvattr);
xoap = xva_getxoptattr(&tmp_xvattr);
ASSERT(xoap);
smb_sa_to_va_mask(ret_attr->sa_mask,
&tmp_xvattr.xva_vattr.va_mask);
XVA_SET_REQ(&tmp_xvattr, XAT_READONLY);
XVA_SET_REQ(&tmp_xvattr, XAT_HIDDEN);
XVA_SET_REQ(&tmp_xvattr, XAT_SYSTEM);
XVA_SET_REQ(&tmp_xvattr, XAT_ARCHIVE);
XVA_SET_REQ(&tmp_xvattr, XAT_CREATETIME);
error = VOP_GETATTR(use_vp, &tmp_xvattr.xva_vattr, flags,
cr, &smb_ct);
if (error != 0)
return (error);
ret_attr->sa_vattr = tmp_xvattr.xva_vattr;
ret_attr->sa_dosattr = 0;
if (tmp_xvattr.xva_vattr.va_mask & AT_XVATTR) {
xoap = xva_getxoptattr(&tmp_xvattr);
ASSERT(xoap);
if ((XVA_ISSET_RTN(&tmp_xvattr, XAT_READONLY)) &&
(xoap->xoa_readonly)) {
ret_attr->sa_dosattr |= FILE_ATTRIBUTE_READONLY;
}
if ((XVA_ISSET_RTN(&tmp_xvattr, XAT_HIDDEN)) &&
(xoap->xoa_hidden)) {
ret_attr->sa_dosattr |= FILE_ATTRIBUTE_HIDDEN;
}
if ((XVA_ISSET_RTN(&tmp_xvattr, XAT_SYSTEM)) &&
(xoap->xoa_system)) {
ret_attr->sa_dosattr |= FILE_ATTRIBUTE_SYSTEM;
}
if ((XVA_ISSET_RTN(&tmp_xvattr, XAT_ARCHIVE)) &&
(xoap->xoa_archive)) {
ret_attr->sa_dosattr |= FILE_ATTRIBUTE_ARCHIVE;
}
ret_attr->sa_crtime = xoap->xoa_createtime;
} else {
ret_attr->sa_crtime = ret_attr->sa_vattr.va_mtime;
}
} else {
/*
* Support for file systems without VFSFT_XVATTR
*/
smb_sa_to_va_mask(ret_attr->sa_mask,
&ret_attr->sa_vattr.va_mask);
error = VOP_GETATTR(use_vp, &ret_attr->sa_vattr,
flags, cr, &smb_ct);
if (error != 0)
return (error);
ret_attr->sa_dosattr = 0;
ret_attr->sa_crtime = ret_attr->sa_vattr.va_mtime;
}
if (unnamed_vp) {
ret_attr->sa_vattr.va_type = VREG;
if (ret_attr->sa_mask & (SMB_AT_SIZE | SMB_AT_NBLOCKS)) {
tmp_attr.sa_vattr.va_mask = AT_SIZE | AT_NBLOCKS;
error = VOP_GETATTR(vp, &tmp_attr.sa_vattr,
flags, cr, &smb_ct);
if (error != 0)
return (error);
ret_attr->sa_vattr.va_size = tmp_attr.sa_vattr.va_size;
ret_attr->sa_vattr.va_nblocks =
tmp_attr.sa_vattr.va_nblocks;
}
}
if (ret_attr->sa_vattr.va_type == VDIR)
ret_attr->sa_dosattr |= FILE_ATTRIBUTE_DIRECTORY;
return (error);
}
static int
copen(int startfd, char *fname, int filemode, int createmode)
{
struct pathname pn;
vnode_t *vp, *sdvp;
file_t *fp, *startfp;
enum vtype type;
int error;
int fd, dupfd;
vnode_t *startvp;
proc_t *p = curproc;
uio_seg_t seg = UIO_USERSPACE;
char *open_filename = fname;
uint32_t auditing = AU_AUDITING();
char startchar;
if (filemode & (FSEARCH|FEXEC)) {
/*
* Must be one or the other and neither FREAD nor FWRITE
* Must not be any of FAPPEND FCREAT FTRUNC FXATTR FXATTRDIROPEN
* XXX: Should these just be silently ignored?
*/
if ((filemode & (FREAD|FWRITE)) ||
(filemode & (FSEARCH|FEXEC)) == (FSEARCH|FEXEC) ||
(filemode & (FAPPEND|FCREAT|FTRUNC|FXATTR|FXATTRDIROPEN)))
return (set_errno(EINVAL));
}
if (startfd == AT_FDCWD) {
/*
* Regular open()
*/
startvp = NULL;
} else {
/*
* We're here via openat()
*/
if (copyin(fname, &startchar, sizeof (char)))
return (set_errno(EFAULT));
/*
* if startchar is / then startfd is ignored
*/
if (startchar == '/')
startvp = NULL;
else {
if ((startfp = getf(startfd)) == NULL)
return (set_errno(EBADF));
startvp = startfp->f_vnode;
VN_HOLD(startvp);
releasef(startfd);
}
}
/*
* Handle __openattrdirat() requests
*/
if (filemode & FXATTRDIROPEN) {
if (auditing && startvp != NULL)
audit_setfsat_path(1);
if (error = lookupnameat(fname, seg, FOLLOW,
NULLVPP, &vp, startvp))
return (set_errno(error));
if (startvp != NULL)
VN_RELE(startvp);
startvp = vp;
}
/*
* Do we need to go into extended attribute space?
*/
if (filemode & FXATTR) {
if (startfd == AT_FDCWD) {
if (copyin(fname, &startchar, sizeof (char)))
return (set_errno(EFAULT));
/*
* If startchar == '/' then no extended attributes
* are looked up.
*/
if (startchar == '/') {
startvp = NULL;
} else {
mutex_enter(&p->p_lock);
startvp = PTOU(p)->u_cdir;
VN_HOLD(startvp);
mutex_exit(&p->p_lock);
}
}
/*
* Make sure we have a valid extended attribute request.
* We must either have a real fd or AT_FDCWD and a relative
* pathname.
*/
if (startvp == NULL) {
goto noxattr;
}
}
if (filemode & (FXATTR|FXATTRDIROPEN)) {
vattr_t vattr;
if (error = pn_get(fname, UIO_USERSPACE, &pn)) {
goto out;
}
/*
* In order to access hidden attribute directory the
* user must be able to stat() the file
*/
vattr.va_mask = AT_ALL;
if (error = VOP_GETATTR(startvp, &vattr, 0, CRED(), NULL)) {
pn_free(&pn);
goto out;
}
if ((startvp->v_vfsp->vfs_flag & VFS_XATTR) != 0 ||
vfs_has_feature(startvp->v_vfsp, VFSFT_SYSATTR_VIEWS)) {
error = VOP_LOOKUP(startvp, "", &sdvp, &pn,
(filemode & FXATTRDIROPEN) ? LOOKUP_XATTR :
LOOKUP_XATTR|CREATE_XATTR_DIR, rootvp, CRED(),
NULL, NULL, NULL);
} else {
error = EINVAL;
}
/*
* For __openattrdirat() use "." as filename to open
* as part of vn_openat()
*/
if (error == 0 && (filemode & FXATTRDIROPEN)) {
open_filename = ".";
seg = UIO_SYSSPACE;
}
pn_free(&pn);
if (error != 0)
goto out;
VN_RELE(startvp);
startvp = sdvp;
}
noxattr:
if ((filemode & (FREAD|FWRITE|FSEARCH|FEXEC|FXATTRDIROPEN)) != 0) {
if ((filemode & (FNONBLOCK|FNDELAY)) == (FNONBLOCK|FNDELAY))
filemode &= ~FNDELAY;
error = falloc((vnode_t *)NULL, filemode, &fp, &fd);
if (error == 0) {
if (auditing && startvp != NULL)
audit_setfsat_path(1);
/*
* Last arg is a don't-care term if
* !(filemode & FCREAT).
*/
error = vn_openat(open_filename, seg, filemode,
(int)(createmode & MODEMASK),
&vp, CRCREAT, PTOU(curproc)->u_cmask,
startvp, fd);
if (startvp != NULL)
VN_RELE(startvp);
if (error == 0) {
if ((vp->v_flag & VDUP) == 0) {
fp->f_vnode = vp;
mutex_exit(&fp->f_tlock);
/*
* We must now fill in the slot
* falloc reserved.
*/
setf(fd, fp);
return (fd);
} else {
/*
* Special handling for /dev/fd.
* Give up the file pointer
* and dup the indicated file descriptor
* (in v_rdev). This is ugly, but I've
* seen worse.
*/
unfalloc(fp);
dupfd = getminor(vp->v_rdev);
type = vp->v_type;
mutex_enter(&vp->v_lock);
vp->v_flag &= ~VDUP;
mutex_exit(&vp->v_lock);
VN_RELE(vp);
if (type != VCHR)
return (set_errno(EINVAL));
if ((fp = getf(dupfd)) == NULL) {
setf(fd, NULL);
return (set_errno(EBADF));
}
mutex_enter(&fp->f_tlock);
fp->f_count++;
mutex_exit(&fp->f_tlock);
setf(fd, fp);
releasef(dupfd);
}
return (fd);
} else {
setf(fd, NULL);
unfalloc(fp);
return (set_errno(error));
}
}
} else {
error = EINVAL;
}
out:
if (startvp != NULL)
VN_RELE(startvp);
return (set_errno(error));
}
/*
* smb_odir_create
* Allocate and populate an odir obect and add it to the tree's list.
*/
static uint16_t
smb_odir_create(smb_request_t *sr, smb_node_t *dnode,
char *pattern, uint16_t sattr, cred_t *cr)
{
smb_odir_t *od;
smb_tree_t *tree;
uint16_t odid;
ASSERT(sr);
ASSERT(sr->sr_magic == SMB_REQ_MAGIC);
ASSERT(sr->tid_tree);
ASSERT(sr->tid_tree->t_magic == SMB_TREE_MAGIC);
ASSERT(dnode);
ASSERT(dnode->n_magic == SMB_NODE_MAGIC);
tree = sr->tid_tree;
if (smb_idpool_alloc(&tree->t_odid_pool, &odid)) {
smbsr_error(sr, NT_STATUS_TOO_MANY_OPENED_FILES,
ERRDOS, ERROR_TOO_MANY_OPEN_FILES);
return (0);
}
od = kmem_cache_alloc(smb_cache_odir, KM_SLEEP);
bzero(od, sizeof (smb_odir_t));
mutex_init(&od->d_mutex, NULL, MUTEX_DEFAULT, NULL);
od->d_refcnt = 0;
od->d_state = SMB_ODIR_STATE_OPEN;
od->d_magic = SMB_ODIR_MAGIC;
od->d_opened_by_pid = sr->smb_pid;
od->d_session = tree->t_session;
od->d_cred = cr;
/*
* grab a ref for od->d_user
* released in smb_odir_delete()
*/
smb_user_hold_internal(sr->uid_user);
od->d_user = sr->uid_user;
od->d_tree = tree;
od->d_dnode = dnode;
smb_node_ref(dnode);
od->d_odid = odid;
od->d_sattr = sattr;
(void) strlcpy(od->d_pattern, pattern, sizeof (od->d_pattern));
od->d_flags = 0;
if (smb_contains_wildcards(od->d_pattern))
od->d_flags |= SMB_ODIR_FLAG_WILDCARDS;
if (vfs_has_feature(dnode->vp->v_vfsp, VFSFT_DIRENTFLAGS))
od->d_flags |= SMB_ODIR_FLAG_EDIRENT;
if (smb_tree_has_feature(tree, SMB_TREE_CASEINSENSITIVE))
od->d_flags |= SMB_ODIR_FLAG_IGNORE_CASE;
if (smb_tree_has_feature(tree, SMB_TREE_SHORTNAMES))
od->d_flags |= SMB_ODIR_FLAG_SHORTNAMES;
if (SMB_TREE_SUPPORTS_CATIA(sr))
od->d_flags |= SMB_ODIR_FLAG_CATIA;
if (SMB_TREE_SUPPORTS_ABE(sr))
od->d_flags |= SMB_ODIR_FLAG_ABE;
if (dnode->flags & NODE_XATTR_DIR)
od->d_flags |= SMB_ODIR_FLAG_XATTR;
od->d_eof = B_FALSE;
smb_llist_enter(&tree->t_odir_list, RW_WRITER);
smb_llist_insert_tail(&tree->t_odir_list, od);
smb_llist_exit(&tree->t_odir_list);
atomic_inc_32(&tree->t_session->s_dir_cnt);
return (odid);
}
