260 	struct smb_hdr *cifs_pdu = (struct smb_hdr *)rqst->rq_iov[0].iov_base;  in cifs_sign_rqst()  local
266 	if ((cifs_pdu == NULL) || (server == NULL))  in cifs_sign_rqst()
270 	if (!(cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) ||  in cifs_sign_rqst()
278 		memcpy(cifs_pdu->Signature.SecuritySignature, "BSRSPYL", 8);  in cifs_sign_rqst()
282 	cifs_pdu->Signature.Sequence.SequenceNumber =  in cifs_sign_rqst()
284 	cifs_pdu->Signature.Sequence.Reserved = 0;  in cifs_sign_rqst()
291 		memset(cifs_pdu->Signature.SecuritySignature, 0, 8);  in cifs_sign_rqst()
293 		memcpy(cifs_pdu->Signature.SecuritySignature, smb_signature, 8);  in cifs_sign_rqst()
308 int cifs_sign_smb(struct smb_hdr *cifs_pdu, struct TCP_Server_Info *server,  in cifs_sign_smb()  argument
313 	iov[0].iov_base = cifs_pdu;  in cifs_sign_smb()
315 	iov[1].iov_base = (char *)cifs_pdu + 4;  in cifs_sign_smb()
316 	iov[1].iov_len = be32_to_cpu(cifs_pdu->smb_buf_length);  in cifs_sign_smb()
329 	struct smb_hdr *cifs_pdu = (struct smb_hdr *)rqst->rq_iov[0].iov_base;  in cifs_verify_signature()  local
335 	if (cifs_pdu == NULL || server == NULL)  in cifs_verify_signature()
341 	if (cifs_pdu->Command == SMB_COM_LOCKING_ANDX) {  in cifs_verify_signature()
343 			(struct smb_com_lock_req *)cifs_pdu;  in cifs_verify_signature()
352 	if (memcmp(cifs_pdu->Signature.SecuritySignature, "BSRSPYL ", 8) == 0)  in cifs_verify_signature()
354 			 cifs_pdu->Command);  in cifs_verify_signature()
358 	memcpy(server_response_sig, cifs_pdu->Signature.SecuritySignature, 8);  in cifs_verify_signature()
360 	cifs_pdu->Signature.Sequence.SequenceNumber =  in cifs_verify_signature()
362 	cifs_pdu->Signature.Sequence.Reserved = 0;  in cifs_verify_signature()