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authorSteve French <stfrench@microsoft.com>2019-12-06 11:02:38 +0300
committerSteve French <stfrench@microsoft.com>2019-12-06 23:15:52 +0300
commitfdef665ba44ad5ed154af2acfb19ae2ee3bf5dcc (patch)
tree20f45c141c6a5dcefc0f5869d46b1179aae745f8 /fs/cifs/smb2pdu.h
parent9a7d5a9e6d7921e1854b4606ce8c3e17d565f463 (diff)
downloadlinux-fdef665ba44ad5ed154af2acfb19ae2ee3bf5dcc.tar.xz
smb3: fix mode passed in on create for modetosid mount option
When using the special SID to store the mode bits in an ACE (See http://technet.microsoft.com/en-us/library/hh509017(v=ws.10).aspx) which is enabled with mount parm "modefromsid" we were not passing in the mode via SMB3 create (although chmod was enabled). SMB3 create allows a security descriptor context to be passed in (which is more atomic and thus preferable to setting the mode bits after create via a setinfo). This patch enables setting the mode bits on create when using modefromsid mount option. In addition it fixes an endian error in the definition of the Control field flags in the SMB3 security descriptor. It also makes the ACE type of the special SID better match the documentation (and behavior of servers which use this to store mode bits in SMB3 ACLs). Signed-off-by: Steve French <stfrench@microsoft.com> Acked-by: Ronnie Sahlberg <lsahlber@redhat.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Diffstat (limited to 'fs/cifs/smb2pdu.h')
-rw-r--r--fs/cifs/smb2pdu.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index fa2533da316d..7b1c379fdf7a 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -25,6 +25,7 @@
#define _SMB2PDU_H
#include <net/sock.h>
+#include <cifsacl.h>
/*
* Note that, due to trying to use names similar to the protocol specifications,
@@ -855,6 +856,15 @@ struct crt_query_id_ctxt {
__u8 Name[8];
} __packed;
+struct crt_sd_ctxt {
+ struct create_context ccontext;
+ __u8 Name[8];
+ struct smb3_sd sd;
+ struct smb3_acl acl;
+ /* Followed by at least 4 ACEs */
+} __packed;
+
+
#define COPY_CHUNK_RES_KEY_SIZE 24
struct resume_key_req {
char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];