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author | Shirish Pargaonkar <shirishpargaonkar@gmail.com> | 2017-06-28 22:37:32 -0500 |
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committer | Steve French <smfrench@gmail.com> | 2017-07-08 17:23:10 -0500 |
commit | 366ed846df607a79b4d9b52b097c01f9d53b9d2a (patch) | |
tree | d77f272f9ddbbcecacad0f3e49889244d05626b2 /fs/cifs | |
parent | dac953401c9722cca04a4a884e82e32fe82c0dad (diff) | |
download | linux-366ed846df607a79b4d9b52b097c01f9d53b9d2a.tar.gz linux-366ed846df607a79b4d9b52b097c01f9d53b9d2a.tar.bz2 linux-366ed846df607a79b4d9b52b097c01f9d53b9d2a.zip |
cifs: Use smb 2 - 3 and cifsacl mount options setacl function
Added set acl function. Very similar to set cifs acl function for smb1.
Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Diffstat (limited to 'fs/cifs')
-rw-r--r-- | fs/cifs/smb2ops.c | 63 |
1 files changed, 60 insertions, 3 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index ccbb397debbc..ed98daa0891c 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -1370,6 +1370,63 @@ get_smb2_acl_by_path(struct cifs_sb_info *cifs_sb, return pntsd; } +#ifdef CONFIG_CIFS_ACL +static int +set_smb2_acl(struct cifs_ntsd *pnntsd, __u32 acllen, + struct inode *inode, const char *path, int aclflag) +{ + u8 oplock = SMB2_OPLOCK_LEVEL_NONE; + unsigned int xid; + int rc, access_flags = 0; + struct cifs_tcon *tcon; + struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); + struct tcon_link *tlink = cifs_sb_tlink(cifs_sb); + struct cifs_fid fid; + struct cifs_open_parms oparms; + __le16 *utf16_path; + + cifs_dbg(FYI, "set smb3 acl for path %s\n", path); + if (IS_ERR(tlink)) + return PTR_ERR(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; + + if (aclflag == CIFS_ACL_OWNER || aclflag == CIFS_ACL_GROUP) + access_flags = WRITE_OWNER; + else + access_flags = WRITE_DAC; + + utf16_path = cifs_convert_path_to_utf16(path, cifs_sb); + if (!utf16_path) + return -ENOMEM; + + oparms.tcon = tcon; + oparms.desired_access = access_flags; + oparms.disposition = FILE_OPEN; + oparms.path = path; + oparms.fid = &fid; + oparms.reconnect = false; + + rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); + kfree(utf16_path); + if (!rc) { + rc = SMB2_set_acl(xid, tlink_tcon(tlink), fid.persistent_fid, + fid.volatile_fid, pnntsd, acllen, aclflag); + SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); + } + + cifs_put_tlink(tlink); + free_xid(xid); + return rc; +} +#endif /* CIFS_ACL */ + /* Retrieve an ACL from the server */ static struct cifs_ntsd * get_smb2_acl(struct cifs_sb_info *cifs_sb, @@ -2498,7 +2555,7 @@ struct smb_version_operations smb20_operations = { #ifdef CONFIG_CIFS_ACL .get_acl = get_smb2_acl, .get_acl_by_fid = get_smb2_acl_by_fid, -/* .set_acl = set_smb3_acl, */ + .set_acl = set_smb2_acl, #endif /* CIFS_ACL */ }; @@ -2587,7 +2644,7 @@ struct smb_version_operations smb21_operations = { #ifdef CONFIG_CIFS_ACL .get_acl = get_smb2_acl, .get_acl_by_fid = get_smb2_acl_by_fid, -/* .set_acl = set_smb3_acl, */ + .set_acl = set_smb2_acl, #endif /* CIFS_ACL */ }; @@ -2686,7 +2743,7 @@ struct smb_version_operations smb30_operations = { #ifdef CONFIG_CIFS_ACL .get_acl = get_smb2_acl, .get_acl_by_fid = get_smb2_acl_by_fid, -/* .set_acl = set_smb3_acl, */ + .set_acl = set_smb2_acl, #endif /* CIFS_ACL */ }; |