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ksmbd: allow PROTECTED_DACL_SECINFO and UNPROTECTED_DACL_SECINFO addition information in smb2 set info security 

"cifsd: Fix regression in smb2_get_info" patch cause that dacl doesn't
work. windows send smb2 set info security with PROTECTED_DACL_SECINFO to
control dacl. But previous patch doesn't allow it.
This patch add PROTECTED_DACL_SECINFO and UNPROTECTED_DACL_SECINFO
addtional information flags in check.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Namjae Jeon 2021-06-28 15:26:37 +09:00
parent 8a893315dc
commit e294f78d34
1 changed files with 5 additions and 3 deletions
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8
fs/ksmbd/smb2pdu.c
View File

@ -4888,9 +4888,11 @@ static int smb2_get_info_sec(struct ksmbd_work *work,
int addition_info = le32_to_cpu(req->AdditionalInformation);
int rc;
if (addition_info & ~(OWNER_SECINFO | GROUP_SECINFO | DACL_SECINFO)) {
ksmbd_debug(SMB, "Unsupported addition info: 0x%x)\n",
addition_info);
if (addition_info & ~(OWNER_SECINFO | GROUP_SECINFO | DACL_SECINFO |
PROTECTED_DACL_SECINFO |
UNPROTECTED_DACL_SECINFO)) {
pr_err("Unsupported addition info: 0x%x)\n",
addition_info);
pntsd->revision = cpu_to_le16(1);
pntsd->type = cpu_to_le16(SELF_RELATIVE | DACL_PROTECTED);