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| author | Steve French <steve.french@primarydata.com> | 2015-02-06 00:03:52 -0600 |
|---|---|---|
| committer | Steve French <steve.french@primarydata.com> | 2015-06-27 20:23:59 -0700 |
| commit | eed0e1753cbe7a30758ad2ee5e2742dd7fda2c41 (patch) | |
| tree | 3bed8a833e195d424e4d6162920b11fb2b376c56 | |
| parent | 5f7fbf733c9dd6b58d40fa394313a5949b696f84 (diff) | |
| download | lwn-eed0e1753cbe7a30758ad2ee5e2742dd7fda2c41.tar.gz lwn-eed0e1753cbe7a30758ad2ee5e2742dd7fda2c41.zip | |
Add defines and structs for smb3.1 dialect
Add new structures and defines for SMB3.11 negotiate, session setup and tcon
See MS-SMB2-diff.pdf section 2.2.3 for additional protocol documentation.
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Steve French <steve.french@primarydata.com>
| -rw-r--r-- | fs/cifs/smb2pdu.c | 2 | ||||
| -rw-r--r-- | fs/cifs/smb2pdu.h | 40 |
2 files changed, 36 insertions, 6 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 150dbe3e2822..1270806376eb 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -576,7 +576,7 @@ ssetup_ntlmssp_authenticate: return rc; req->hdr.SessionId = 0; /* First session, not a reauthenticate */ - req->VcNumber = 0; /* MBZ */ + req->Flags = 0; /* MBZ */ /* to enable echos and oplocks */ req->hdr.CreditRequest = cpu_to_le16(3); diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index 994b34843c3a..725283a7d887 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -136,9 +136,6 @@ struct smb2_transform_hdr { __u64 SessionId; } __packed; -/* Encryption Algorithms */ -#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) - /* * SMB2 flag definitions */ @@ -221,6 +218,32 @@ struct smb2_negotiate_req { #define SMB2_NT_FIND 0x00100000 #define SMB2_LARGE_FILES 0x00200000 +#define SMB311_SALT_SIZE 32 +/* Hash Algorithm Types */ +#define SMB2_PREAUTH_INTEGRITY_SHA512 0x0001 + +struct smb2_preauth_neg_context { + __le16 ContextType; /* 1 */ + __le16 DataLength; + __le32 Reserved; + __le16 HashAlgorithmCount; /* 1 */ + __le16 SaltLength; + __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ + __u8 Salt[SMB311_SALT_SIZE]; +} __packed; + +/* Encryption Algorithms Ciphers */ +#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) +#define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) + +struct smb2_encryption_neg_context { + __le16 ContextType; /* 2 */ + __le16 DataLength; + __le32 Reserved; + __le16 CipherCount; /* 1 for time being, only AES-128-CCM */ + __le16 Ciphers; /* Ciphers[0] since only one used now */ +} __packed; + struct smb2_negotiate_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 65 */ @@ -240,10 +263,14 @@ struct smb2_negotiate_rsp { __u8 Buffer[1]; /* variable length GSS security buffer */ } __packed; +/* Flags */ +#define SMB2_SESSION_REQ_FLAG_BINDING 0x01 +#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 + struct smb2_sess_setup_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 25 */ - __u8 VcNumber; + __u8 Flags; __u8 SecurityMode; __le32 Capabilities; __le32 Channel; @@ -278,10 +305,13 @@ struct smb2_logoff_rsp { __le16 Reserved; } __packed; +/* Flags/Reserved for SMB3.1.1 */ +#define SMB2_SHAREFLAG_CLUSTER_RECONNECT 0x0001 + struct smb2_tree_connect_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 9 */ - __le16 Reserved; + __le16 Reserved; /* Flags in SMB3.1.1 */ __le16 PathOffset; __le16 PathLength; __u8 Buffer[1]; /* variable length */ |