/*
* smb_query_shortname
*
* If the node is a named stream, use its associated
* unnamed stream name to determine the shortname.
* If a shortname is required (smb_needs_mangle()), generate it
* using smb_mangle(), otherwise, convert the original name to
* upper-case and return it as the alternative name.
*/
static void
smb_query_shortname(smb_node_t *node, smb_queryinfo_t *qinfo)
{
char *namep;
if (SMB_IS_STREAM(node))
namep = node->n_unode->od_name;
else
namep = node->od_name;
if (smb_needs_mangled(namep)) {
smb_mangle(namep, qinfo->qi_attr.sa_vattr.va_nodeid,
qinfo->qi_shortname, SMB_SHORTNAMELEN);
} else {
(void) strlcpy(qinfo->qi_shortname, namep, SMB_SHORTNAMELEN);
(void) smb_strupr(qinfo->qi_shortname);
}
}
/*
* smb_odir_wildcard_fileinfo
*
* odirent contains a directory entry, obtained from a vop_readdir.
* If a case conflict is identified the filename is mangled and the
* shortname is used as 'name', in place of odirent->od_name.
*
* If the looked up file is a link, we attempt to lookup the link target
* to use its attributes in place of those of the files's.
* If we fail to lookup the target of the link we use the original
* file's attributes.
* Check if the attributes match the search attributes.
*
* Although some file systems can have directories larger than
* SMB_MAXDIRSIZE smb_odir_next_odirent ensures that no offset larger
* than SMB_MAXDIRSIZE is returned. It is therefore safe to use the
* offset as the cookie (uint32_t).
*
* Returns: 0 - success
* ENOENT - no match, proceed to next entry
* errno - error
*/
static int
smb_odir_wildcard_fileinfo(smb_request_t *sr, smb_odir_t *od,
smb_odirent_t *odirent, smb_fileinfo_t *fileinfo)
{
int rc;
cred_t *cr;
smb_node_t *fnode, *tgt_node;
smb_attr_t attr;
char *name;
boolean_t case_conflict;
ASSERT(sr);
ASSERT(sr->sr_magic == SMB_REQ_MAGIC);
ASSERT(od);
ASSERT(od->d_magic == SMB_ODIR_MAGIC);
ASSERT(MUTEX_HELD(&od->d_mutex));
bzero(fileinfo, sizeof (smb_fileinfo_t));
rc = smb_fsop_lookup(sr, od->d_cred, SMB_CASE_SENSITIVE,
od->d_tree->t_snode, od->d_dnode, odirent->od_name, &fnode);
if (rc != 0)
return (rc);
/* follow link to get target node & attr */
if (smb_node_is_symlink(fnode) &&
smb_odir_lookup_link(sr, od, odirent->od_name, &tgt_node)) {
smb_node_release(fnode);
fnode = tgt_node;
}
/* skip system files */
if (smb_node_is_system(fnode)) {
smb_node_release(fnode);
return (ENOENT);
}
/*
* Windows directory listings return not only names, but
* also some attributes. In Unix, you need some access to
* get those attributes. Which credential should we use to
* get those? If we're doing Access Based Enumeration (ABE)
* we want this getattr to fail, which will cause the caller
* to skip this entry. If we're NOT doing ABE, we normally
* want to show all the directory entries (including their
* attributes) so we want this getattr to succeed!
*/
if (smb_tree_has_feature(od->d_tree, SMB_TREE_ABE))
cr = od->d_cred;
else
cr = zone_kcred();
bzero(&attr, sizeof (attr));
attr.sa_mask = SMB_AT_ALL;
rc = smb_node_getattr(NULL, fnode, cr, NULL, &attr);
if (rc != 0) {
smb_node_release(fnode);
return (rc);
}
/* check search attributes */
if (!smb_sattr_check(attr.sa_dosattr, od->d_sattr)) {
smb_node_release(fnode);
return (ENOENT);
}
name = odirent->od_name;
if (od->d_flags & SMB_ODIR_FLAG_SHORTNAMES) {
case_conflict = ((od->d_flags & SMB_ODIR_FLAG_IGNORE_CASE) &&
(odirent->od_eflags & ED_CASE_CONFLICT));
if (case_conflict || smb_needs_mangled(name)) {
smb_mangle(name, odirent->od_ino,
fileinfo->fi_shortname, SMB_SHORTNAMELEN);
}
if (case_conflict)
name = fileinfo->fi_shortname;
}
(void) strlcpy(fileinfo->fi_name, name, sizeof (fileinfo->fi_name));
fileinfo->fi_cookie = (uint32_t)od->d_offset;
fileinfo->fi_dosattr = attr.sa_dosattr;
fileinfo->fi_nodeid = attr.sa_vattr.va_nodeid;
fileinfo->fi_size = attr.sa_vattr.va_size;
fileinfo->fi_alloc_size = attr.sa_allocsz;
fileinfo->fi_atime = attr.sa_vattr.va_atime;
fileinfo->fi_mtime = attr.sa_vattr.va_mtime;
fileinfo->fi_ctime = attr.sa_vattr.va_ctime;
if (attr.sa_crtime.tv_sec)
fileinfo->fi_crtime = attr.sa_crtime;
else
fileinfo->fi_crtime = attr.sa_vattr.va_mtime;
smb_node_release(fnode);
return (0);
}
/*
* smb_odir_single_fileinfo
*
* Lookup the file identified by od->d_pattern.
*
* If the looked up file is a link, we attempt to lookup the link target
* to use its attributes in place of those of the files's.
* If we fail to lookup the target of the link we use the original
* file's attributes.
* Check if the attributes match the search attributes.
*
* Returns: 0 - success
* ENOENT - no match
* errno - error
*/
static int
smb_odir_single_fileinfo(smb_request_t *sr, smb_odir_t *od,
smb_fileinfo_t *fileinfo)
{
int rc;
smb_node_t *fnode, *tgt_node;
smb_attr_t attr;
ino64_t fid;
char *name;
boolean_t case_conflict = B_FALSE;
int lookup_flags, flags = 0;
vnode_t *vp;
ASSERT(sr);
ASSERT(sr->sr_magic == SMB_REQ_MAGIC);
ASSERT(od);
ASSERT(od->d_magic == SMB_ODIR_MAGIC);
ASSERT(MUTEX_HELD(&od->d_mutex));
bzero(fileinfo, sizeof (smb_fileinfo_t));
rc = smb_fsop_lookup(sr, od->d_cred, 0, od->d_tree->t_snode,
od->d_dnode, od->d_pattern, &fnode);
if (rc != 0)
return (rc);
/*
* If case sensitive, do a case insensitive smb_vop_lookup to
* check for case conflict
*/
if (od->d_flags & SMB_ODIR_FLAG_IGNORE_CASE) {
lookup_flags = SMB_IGNORE_CASE;
if (od->d_flags & SMB_ODIR_FLAG_CATIA)
lookup_flags |= SMB_CATIA;
rc = smb_vop_lookup(od->d_dnode->vp, fnode->od_name, &vp,
NULL, lookup_flags, &flags, od->d_tree->t_snode->vp,
NULL, od->d_cred);
if (rc != 0)
return (rc);
VN_RELE(vp);
if (flags & ED_CASE_CONFLICT)
case_conflict = B_TRUE;
}
bzero(&attr, sizeof (attr));
attr.sa_mask = SMB_AT_ALL;
rc = smb_node_getattr(sr, fnode, zone_kcred(), NULL, &attr);
if (rc != 0) {
smb_node_release(fnode);
return (rc);
}
/* follow link to get target node & attr */
if (smb_node_is_symlink(fnode) &&
smb_odir_lookup_link(sr, od, fnode->od_name, &tgt_node)) {
smb_node_release(fnode);
fnode = tgt_node;
attr.sa_mask = SMB_AT_ALL;
rc = smb_node_getattr(sr, fnode, zone_kcred(), NULL, &attr);
if (rc != 0) {
smb_node_release(fnode);
return (rc);
}
}
/* check search attributes */
if (!smb_sattr_check(attr.sa_dosattr, od->d_sattr)) {
smb_node_release(fnode);
return (ENOENT);
}
name = fnode->od_name;
if (od->d_flags & SMB_ODIR_FLAG_SHORTNAMES) {
fid = attr.sa_vattr.va_nodeid;
if (case_conflict || smb_needs_mangled(name)) {
smb_mangle(name, fid, fileinfo->fi_shortname,
SMB_SHORTNAMELEN);
}
if (case_conflict)
name = fileinfo->fi_shortname;
}
(void) strlcpy(fileinfo->fi_name, name, sizeof (fileinfo->fi_name));
fileinfo->fi_dosattr = attr.sa_dosattr;
fileinfo->fi_nodeid = attr.sa_vattr.va_nodeid;
fileinfo->fi_size = attr.sa_vattr.va_size;
fileinfo->fi_alloc_size = attr.sa_allocsz;
fileinfo->fi_atime = attr.sa_vattr.va_atime;
fileinfo->fi_mtime = attr.sa_vattr.va_mtime;
fileinfo->fi_ctime = attr.sa_vattr.va_ctime;
if (attr.sa_crtime.tv_sec)
fileinfo->fi_crtime = attr.sa_crtime;
else
fileinfo->fi_crtime = attr.sa_vattr.va_mtime;
smb_node_release(fnode);
return (0);
}