mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-11 21:14:07 +08:00
cifs: Use smb 2 - 3 and cifsacl mount options getacl functions
Fill in smb2/3 query acl functions in ops structures and use them. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
parent
42c493c16f
commit
2f1afe2599
@ -1288,6 +1288,107 @@ smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon,
|
||||
return rc;
|
||||
}
|
||||
|
||||
static struct cifs_ntsd *
|
||||
get_smb2_acl_by_fid(struct cifs_sb_info *cifs_sb,
|
||||
const struct cifs_fid *cifsfid, u32 *pacllen)
|
||||
{
|
||||
struct cifs_ntsd *pntsd = NULL;
|
||||
unsigned int xid;
|
||||
int rc = -EOPNOTSUPP;
|
||||
struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
|
||||
|
||||
if (IS_ERR(tlink))
|
||||
return ERR_CAST(tlink);
|
||||
|
||||
xid = get_xid();
|
||||
cifs_dbg(FYI, "trying to get acl\n");
|
||||
|
||||
rc = SMB2_query_acl(xid, tlink_tcon(tlink), cifsfid->persistent_fid,
|
||||
cifsfid->volatile_fid, (void **)&pntsd, pacllen);
|
||||
free_xid(xid);
|
||||
|
||||
cifs_put_tlink(tlink);
|
||||
|
||||
cifs_dbg(FYI, "%s: rc = %d ACL len %d\n", __func__, rc, *pacllen);
|
||||
if (rc)
|
||||
return ERR_PTR(rc);
|
||||
return pntsd;
|
||||
|
||||
}
|
||||
|
||||
static struct cifs_ntsd *
|
||||
get_smb2_acl_by_path(struct cifs_sb_info *cifs_sb,
|
||||
const char *path, u32 *pacllen)
|
||||
{
|
||||
struct cifs_ntsd *pntsd = NULL;
|
||||
u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
|
||||
unsigned int xid;
|
||||
int rc;
|
||||
struct cifs_tcon *tcon;
|
||||
struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
|
||||
struct cifs_fid fid;
|
||||
struct cifs_open_parms oparms;
|
||||
__le16 *utf16_path;
|
||||
|
||||
cifs_dbg(FYI, "get smb3 acl for path %s\n", path);
|
||||
if (IS_ERR(tlink))
|
||||
return ERR_CAST(tlink);
|
||||
|
||||
tcon = tlink_tcon(tlink);
|
||||
xid = get_xid();
|
||||
|
||||
if (backup_cred(cifs_sb))
|
||||
oparms.create_options |= CREATE_OPEN_BACKUP_INTENT;
|
||||
else
|
||||
oparms.create_options = 0;
|
||||
|
||||
utf16_path = cifs_convert_path_to_utf16(path, cifs_sb);
|
||||
if (!utf16_path)
|
||||
return ERR_PTR(-ENOMEM);
|
||||
|
||||
oparms.tcon = tcon;
|
||||
oparms.desired_access = READ_CONTROL;
|
||||
oparms.disposition = FILE_OPEN;
|
||||
oparms.fid = &fid;
|
||||
oparms.reconnect = false;
|
||||
|
||||
rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL);
|
||||
kfree(utf16_path);
|
||||
if (!rc) {
|
||||
rc = SMB2_query_acl(xid, tlink_tcon(tlink), fid.persistent_fid,
|
||||
fid.volatile_fid, (void **)&pntsd, pacllen);
|
||||
SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
|
||||
}
|
||||
|
||||
cifs_put_tlink(tlink);
|
||||
free_xid(xid);
|
||||
|
||||
cifs_dbg(FYI, "%s: rc = %d ACL len %d\n", __func__, rc, *pacllen);
|
||||
if (rc)
|
||||
return ERR_PTR(rc);
|
||||
return pntsd;
|
||||
}
|
||||
|
||||
/* Retrieve an ACL from the server */
|
||||
static struct cifs_ntsd *
|
||||
get_smb2_acl(struct cifs_sb_info *cifs_sb,
|
||||
struct inode *inode, const char *path,
|
||||
u32 *pacllen)
|
||||
{
|
||||
struct cifs_ntsd *pntsd = NULL;
|
||||
struct cifsFileInfo *open_file = NULL;
|
||||
|
||||
if (inode)
|
||||
open_file = find_readable_file(CIFS_I(inode), true);
|
||||
if (!open_file)
|
||||
return get_smb2_acl_by_path(cifs_sb, path, pacllen);
|
||||
|
||||
pntsd = get_smb2_acl_by_fid(cifs_sb, &open_file->fid, pacllen);
|
||||
cifsFileInfo_put(open_file);
|
||||
return pntsd;
|
||||
}
|
||||
|
||||
|
||||
static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon,
|
||||
loff_t offset, loff_t len, bool keep_size)
|
||||
{
|
||||
@ -2393,6 +2494,11 @@ struct smb_version_operations smb20_operations = {
|
||||
.dir_needs_close = smb2_dir_needs_close,
|
||||
.get_dfs_refer = smb2_get_dfs_refer,
|
||||
.select_sectype = smb2_select_sectype,
|
||||
#ifdef CONFIG_CIFS_ACL
|
||||
.get_acl = get_smb2_acl,
|
||||
.get_acl_by_fid = get_smb2_acl_by_fid,
|
||||
/* .set_acl = set_smb3_acl, */
|
||||
#endif /* CIFS_ACL */
|
||||
};
|
||||
|
||||
struct smb_version_operations smb21_operations = {
|
||||
@ -2477,6 +2583,11 @@ struct smb_version_operations smb21_operations = {
|
||||
.enum_snapshots = smb3_enum_snapshots,
|
||||
.get_dfs_refer = smb2_get_dfs_refer,
|
||||
.select_sectype = smb2_select_sectype,
|
||||
#ifdef CONFIG_CIFS_ACL
|
||||
.get_acl = get_smb2_acl,
|
||||
.get_acl_by_fid = get_smb2_acl_by_fid,
|
||||
/* .set_acl = set_smb3_acl, */
|
||||
#endif /* CIFS_ACL */
|
||||
};
|
||||
|
||||
struct smb_version_operations smb30_operations = {
|
||||
@ -2571,6 +2682,11 @@ struct smb_version_operations smb30_operations = {
|
||||
.receive_transform = smb3_receive_transform,
|
||||
.get_dfs_refer = smb2_get_dfs_refer,
|
||||
.select_sectype = smb2_select_sectype,
|
||||
#ifdef CONFIG_CIFS_ACL
|
||||
.get_acl = get_smb2_acl,
|
||||
.get_acl_by_fid = get_smb2_acl_by_fid,
|
||||
/* .set_acl = set_smb3_acl, */
|
||||
#endif /* CIFS_ACL */
|
||||
};
|
||||
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
|
Loading…
Reference in New Issue
Block a user