diff options
Diffstat (limited to 'fs/cifs/smb2pdu.c')
| -rw-r--r-- | fs/cifs/smb2pdu.c | 40 |
1 files changed, 12 insertions, 28 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 5ad88b4b999..cf33622cdac 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1,7 +1,7 @@ /* * fs/cifs/smb2pdu.c * - * Copyright (C) International Business Machines Corp., 2009, 2011 + * Copyright (C) International Business Machines Corp., 2009, 2012 * Etersoft, 2012 * Author(s): Steve French (sfrench@us.ibm.com) * Pavel Shilovsky (pshilovsky@samba.org) 2012 @@ -304,24 +304,6 @@ free_rsp_buf(int resp_buftype, void *rsp) cifs_buf_release(rsp); } -#define SMB2_NUM_PROT 2 - -#define SMB2_PROT 0 -#define SMB21_PROT 1 -#define BAD_PROT 0xFFFF - -#define SMB2_PROT_ID 0x0202 -#define SMB21_PROT_ID 0x0210 -#define BAD_PROT_ID 0xFFFF - -static struct { - int index; - __le16 name; -} smb2protocols[] = { - {SMB2_PROT, cpu_to_le16(SMB2_PROT_ID)}, - {SMB21_PROT, cpu_to_le16(SMB21_PROT_ID)}, - {BAD_PROT, cpu_to_le16(BAD_PROT_ID)} -}; /* * @@ -348,7 +330,6 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) int resp_buftype; struct TCP_Server_Info *server; unsigned int sec_flags; - u16 i; u16 temp = 0; int blob_offset, blob_length; char *security_blob; @@ -377,11 +358,10 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) req->hdr.SessionId = 0; - for (i = 0; i < SMB2_NUM_PROT; i++) - req->Dialects[i] = smb2protocols[i].name; + req->Dialects[0] = cpu_to_le16(ses->server->vals->protocol_id); - req->DialectCount = cpu_to_le16(i); - inc_rfc1001_len(req, i * 2); + req->DialectCount = cpu_to_le16(1); /* One vers= at a time for now */ + inc_rfc1001_len(req, 2); /* only one of SMB2 signing flags may be set in SMB2 request */ if ((sec_flags & CIFSSEC_MUST_SIGN) == CIFSSEC_MUST_SIGN) @@ -391,7 +371,7 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) req->SecurityMode = cpu_to_le16(temp); - req->Capabilities = cpu_to_le32(SMB2_GLOBAL_CAP_DFS); + req->Capabilities = cpu_to_le32(ses->server->vals->req_capabilities); memcpy(req->ClientGUID, cifs_client_guid, SMB2_CLIENT_GUID_SIZE); @@ -411,10 +391,14 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) cFYI(1, "mode 0x%x", rsp->SecurityMode); - if (rsp->DialectRevision == smb2protocols[SMB21_PROT].name) + /* BB we may eventually want to match the negotiated vs. requested + dialect, even though we are only requesting one at a time */ + if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) + cFYI(1, "negotiated smb2.0 dialect"); + else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) cFYI(1, "negotiated smb2.1 dialect"); - else if (rsp->DialectRevision == smb2protocols[SMB2_PROT].name) - cFYI(1, "negotiated smb2 dialect"); + else if (rsp->DialectRevision == cpu_to_le16(SMB30_PROT_ID)) + cFYI(1, "negotiated smb3.0 dialect"); else { cERROR(1, "Illegal dialect returned by server %d", le16_to_cpu(rsp->DialectRevision)); |