diff options
Diffstat (limited to 'fs/cifs/smb2pdu.c')
-rw-r--r-- | fs/cifs/smb2pdu.c | 40 |
1 files changed, 17 insertions, 23 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 1609699e7bec..ad8ef10de0bd 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -119,8 +119,7 @@ smb2_hdr_assemble(struct smb2_hdr *hdr, __le16 smb2_cmd /* command */ , /* BB how does SMB2 do case sensitive? */ /* if (tcon->nocase) hdr->Flags |= SMBFLG_CASELESS; */ - if (tcon->ses && tcon->ses->server && - (tcon->ses->server->sec_mode & SECMODE_SIGN_REQUIRED)) + if (tcon->ses && tcon->ses->server && tcon->ses->server->sign) hdr->Flags |= SMB2_FLAGS_SIGNED; out: pdu->StructureSize2 = cpu_to_le16(parmsize); @@ -330,7 +329,6 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) int resp_buftype; struct TCP_Server_Info *server = ses->server; unsigned int sec_flags; - u16 temp = 0; int blob_offset, blob_length; char *security_blob; int flags = CIFS_NEG_OP; @@ -362,12 +360,12 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) 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) - temp = SMB2_NEGOTIATE_SIGNING_REQUIRED; - else if (sec_flags & CIFSSEC_MAY_SIGN) /* MAY_SIGN is a single flag */ - temp = SMB2_NEGOTIATE_SIGNING_ENABLED; - - req->SecurityMode = cpu_to_le16(temp); + if (ses->sign) + req->SecurityMode = SMB2_NEGOTIATE_SIGNING_REQUIRED; + else if (global_secflags & CIFSSEC_MAY_SIGN) + req->SecurityMode = SMB2_NEGOTIATE_SIGNING_ENABLED; + else + req->SecurityMode = 0; req->Capabilities = cpu_to_le32(ses->server->vals->req_capabilities); @@ -424,8 +422,7 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) goto neg_exit; } - cifs_dbg(FYI, "sec_flags 0x%x\n", sec_flags); - rc = cifs_enable_signing(server, sec_flags); + rc = cifs_enable_signing(server, ses->sign); #ifdef CONFIG_SMB2_ASN1 /* BB REMOVEME when updated asn1.c ready */ if (rc) goto neg_exit; @@ -457,7 +454,6 @@ SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses, __le32 phase = NtLmNegotiate; /* NTLMSSP, if needed, is multistage */ struct TCP_Server_Info *server = ses->server; unsigned int sec_flags; - u8 temp = 0; u16 blob_length = 0; char *security_blob; char *ntlmssp_blob = NULL; @@ -502,14 +498,13 @@ ssetup_ntlmssp_authenticate: req->hdr.CreditRequest = cpu_to_le16(3); /* only one of SMB2 signing flags may be set in SMB2 request */ - if ((sec_flags & CIFSSEC_MUST_SIGN) == CIFSSEC_MUST_SIGN) - temp = SMB2_NEGOTIATE_SIGNING_REQUIRED; - else if (ses->server->sec_mode & SMB2_NEGOTIATE_SIGNING_REQUIRED) - temp = SMB2_NEGOTIATE_SIGNING_REQUIRED; - else if (sec_flags & CIFSSEC_MAY_SIGN) /* MAY_SIGN is a single flag */ - temp = SMB2_NEGOTIATE_SIGNING_ENABLED; - - req->SecurityMode = temp; + if (server->sign) + req->SecurityMode = SMB2_NEGOTIATE_SIGNING_REQUIRED; + else if (global_secflags & CIFSSEC_MAY_SIGN) /* one flag unlike MUST_ */ + req->SecurityMode = SMB2_NEGOTIATE_SIGNING_ENABLED; + else + req->SecurityMode = 0; + req->Capabilities = 0; req->Channel = 0; /* MBZ */ @@ -652,7 +647,7 @@ SMB2_logoff(const unsigned int xid, struct cifs_ses *ses) /* since no tcon, smb2_init can not do this, so do here */ req->hdr.SessionId = ses->Suid; - if (server->sec_mode & SECMODE_SIGN_REQUIRED) + if (server->sign) req->hdr.Flags |= SMB2_FLAGS_SIGNED; rc = SendReceiveNoRsp(xid, ses, (char *) &req->hdr, 0); @@ -1357,8 +1352,7 @@ smb2_readv_callback(struct mid_q_entry *mid) case MID_RESPONSE_RECEIVED: credits_received = le16_to_cpu(buf->CreditRequest); /* result already set, check signature */ - if (server->sec_mode & - (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) { + if (server->sign) { int rc; rc = smb2_verify_signature(&rqst, server); |