From: Steve French <smfrench@gmail.com>
Date: Mon, 5 Feb 2018 14:46:18 -0600
Subject: [PATCH] Add missing structs and defines from recent SMB3.1.1
documentation
Git-commit: 5f60a56494ea5518376b274dd93b3ceee9a783fb
Patch-mainline: v4.16-rc1
References: bsc#1144333
The last two updates to MS-SMB2 protocol documentation added various
flags and structs (especially relating to SMB3.1.1 tree connect).
Add missing defines and structs to smb2pdu.h
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Acked-by: Aurelien Aptel <aaptel@suse.com>
---
fs/cifs/smb2pdu.h | 114 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 112 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 6eb9f9691ed4..2a2b34ccaf49 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -192,6 +192,35 @@ struct smb2_symlink_err_rsp {
__u8 PathBuffer[0];
} __packed;
+/* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */
+struct smb2_error_context_rsp {
+ __le32 ErrorDataLength;
+ __le32 ErrorId;
+ __u8 ErrorContextData; /* ErrorDataLength long array */
+} __packed;
+
+/* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */
+#define MOVE_DST_IPADDR_V4 cpu_to_le32(0x00000001)
+#define MOVE_DST_IPADDR_V6 cpu_to_le32(0x00000002)
+
+struct move_dst_ipaddr {
+ __le32 Type;
+ __u32 Reserved;
+ __u8 address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */
+} __packed;
+
+struct share_redirect_error_context_rsp {
+ __le32 StructureSize;
+ __le32 NotificationType;
+ __le32 ResourceNameOffset;
+ __le32 ResourceNameLength;
+ __le16 Flags;
+ __le16 TargetType;
+ __le32 IPAddrCount;
+ struct move_dst_ipaddr IpAddrMoveList[0];
+ /* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
+} __packed;
+
#define SMB2_CLIENT_GUID_SIZE 16
struct smb2_negotiate_req {
@@ -320,7 +349,9 @@ struct smb2_logoff_rsp {
} __packed;
/* Flags/Reserved for SMB3.1.1 */
-#define SMB2_SHAREFLAG_CLUSTER_RECONNECT 0x0001
+#define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001)
+#define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002)
+#define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004)
struct smb2_tree_connect_req {
struct smb2_sync_hdr sync_hdr;
@@ -331,6 +362,82 @@ struct smb2_tree_connect_req {
__u8 Buffer[1]; /* variable length */
} __packed;
+/* See MS-SMB2 section 2.2.9.2 */
+/* Context Types */
+#define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000
+#define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001)
+
+struct tree_connect_contexts {
+ __le16 ContextType;
+ __le16 DataLength;
+ __le32 Reserved;
+ __u8 Data[0];
+} __packed;
+
+/* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */
+struct smb3_blob_data {
+ __le16 BlobSize;
+ __u8 BlobData[0];
+} __packed;
+
+/* Valid values for Attr */
+#define SE_GROUP_MANDATORY 0x00000001
+#define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002
+#define SE_GROUP_ENABLED 0x00000004
+#define SE_GROUP_OWNER 0x00000008
+#define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010
+#define SE_GROUP_INTEGRITY 0x00000020
+#define SE_GROUP_INTEGRITY_ENABLED 0x00000040
+#define SE_GROUP_RESOURCE 0x20000000
+#define SE_GROUP_LOGON_ID 0xC0000000
+
+/* struct sid_attr_data is SidData array in BlobData format then le32 Attr */
+
+struct sid_array_data {
+ __le16 SidAttrCount;
+ /* SidAttrList - array of sid_attr_data structs */
+} __packed;
+
+struct luid_attr_data {
+
+} __packed;
+
+/*
+ * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5
+ * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA
+ */
+
+struct privilege_array_data {
+ __le16 PrivilegeCount;
+ /* array of privilege_data structs */
+} __packed;
+
+struct remoted_identity_tcon_context {
+ __le16 TicketType; /* must be 0x0001 */
+ __le16 TicketSize; /* total size of this struct */
+ __le16 User; /* offset to SID_ATTR_DATA struct with user info */
+ __le16 UserName; /* offset to null terminated Unicode username string */
+ __le16 Domain; /* offset to null terminated Unicode domain name */
+ __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */
+ __le16 RestrictedGroups; /* similar to above */
+ __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */
+ __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */
+ __le16 Owner; /* offset to BLOB_DATA struct */
+ __le16 DefaultDacl; /* offset to BLOB_DATA struct */
+ __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */
+ __le16 UserClaims; /* offset to BLOB_DATA struct */
+ __le16 DeviceClaims; /* offset to BLOB_DATA struct */
+ __u8 TicketInfo[0]; /* variable length buf - remoted identity data */
+} __packed;
+
+struct smb2_tree_connect_req_extension {
+ __le32 TreeConnectContextOffset;
+ __le16 TreeConnectContextCount;
+ __u8 Reserved[10];
+ __u8 PathName[0]; /* variable sized array */
+ /* followed by array of TreeConnectContexts */
+} __packed;
+
struct smb2_tree_connect_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 16 */
@@ -365,7 +472,8 @@ struct smb2_tree_connect_rsp {
#define SHI1005_FLAGS_ENABLE_HASH_V1 0x00002000
#define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000
#define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000
-#define SHI1005_FLAGS_ALL 0x0000FF33
+#define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */
+#define SHI1005_FLAGS_ALL 0x0004FF33
/* Possible share capabilities */
#define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */
@@ -373,6 +481,7 @@ struct smb2_tree_connect_rsp {
#define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */
#define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */
#define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
+#define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */
struct smb2_tree_disconnect_req {
struct smb2_sync_hdr sync_hdr;
@@ -556,6 +665,7 @@ struct create_context {
#define SMB2_LEASE_WRITE_CACHING cpu_to_le32(0x04)
#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
+#define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004)
#define SMB2_LEASE_KEY_SIZE 16
--
2.16.4