--- /dev/null
+/*
+ * fs/cifs/ntlmssp.h
+ *
+ * Copyright (c) International Business Machines Corp., 2006
+ * Author(s): Steve French (sfrench@us.ibm.com)
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "cifspdu.h"
+#include "cifsglob.h"
+#include "cifsproto.h"
+#include "cifs_unicode.h"
+#include "cifs_debug.h"
+#include "ntlmssp.h"
+#include "nterr.h"
+
+#ifdef CONFIG_CIFS_EXPERIMENTAL
+static __u32 cifs_ssetup_hdr(struct cifsSesInfo *ses, SESSION_SETUP_ANDX *pSMB)
+{
+ __u32 capabilities = 0;
+
+ /* init fields common to all four types of SessSetup */
+ /* note that header is initialized to zero in header_assemble */
+ pSMB->req.AndXCommand = 0xFF;
+ pSMB->req.MaxBufferSize = cpu_to_le16(ses->server->maxBuf);
+ pSMB->req.MaxMpxCount = cpu_to_le16(ses->server->maxReq);
+
+ /* Now no need to set SMBFLG_CASELESS or obsolete CANONICAL PATH */
+
+ /* BB verify whether signing required on neg or just on auth frame
+ (and NTLM case) */
+
+ capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS |
+ CAP_LARGE_WRITE_X | CAP_LARGE_READ_X;
+
+ if(ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+ pSMB->req.hdr.Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
+
+ if (ses->capabilities & CAP_UNICODE) {
+ pSMB->req.hdr.Flags2 |= SMBFLG2_UNICODE;
+ capabilities |= CAP_UNICODE;
+ }
+ if (ses->capabilities & CAP_STATUS32) {
+ pSMB->req.hdr.Flags2 |= SMBFLG2_ERR_STATUS;
+ capabilities |= CAP_STATUS32;
+ }
+ if (ses->capabilities & CAP_DFS) {
+ pSMB->req.hdr.Flags2 |= SMBFLG2_DFS;
+ capabilities |= CAP_DFS;
+ }
+
+ /* BB check whether to init vcnum BB */
+ return capabilities;
+}
+int
+CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, const int type,
+ int * pNTLMv2_flg, const struct nls_table *nls_cp)
+{
+ int rc = 0;
+ int wct;
+ struct smb_hdr *smb_buffer;
+ char *bcc_ptr;
+ SESSION_SETUP_ANDX *pSMB;
+ __u32 capabilities;
+
+ if(ses == NULL)
+ return -EINVAL;
+
+ cFYI(1,("SStp type: %d",type));
+ if(type < CIFS_NTLM) {
+#ifndef CONFIG_CIFS_WEAK_PW_HASH
+ /* LANMAN and plaintext are less secure and off by default.
+ So we make this explicitly be turned on in kconfig (in the
+ build) and turned on at runtime (changed from the default)
+ in proc/fs/cifs or via mount parm. Unfortunately this is
+ needed for old Win (e.g. Win95), some obscure NAS and OS/2 */
+ return -EOPNOTSUPP;
+#endif
+ wct = 10; /* lanman 2 style sessionsetup */
+ } else if(type < CIFS_NTLMSSP_NEG)
+ wct = 13; /* old style NTLM sessionsetup */
+ else /* same size for negotiate or auth, NTLMSSP or extended security */
+ wct = 12;
+
+ rc = small_smb_init_no_tc(SMB_COM_SESSION_SETUP_ANDX, wct, ses,
+ (void **)&smb_buffer);
+ if(rc)
+ return rc;
+
+ pSMB = (SESSION_SETUP_ANDX *)smb_buffer;
+
+ capabilities = cifs_ssetup_hdr(ses, pSMB);
+ bcc_ptr = pByteArea(smb_buffer);
+ if(type > CIFS_NTLM) {
+ pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC;
+ capabilities |= CAP_EXTENDED_SECURITY;
+ pSMB->req.Capabilities = cpu_to_le32(capabilities);
+ /* BB set password lengths */
+ } else if(type < CIFS_NTLM) /* lanman */ {
+ /* no capabilities flags in old lanman negotiation */
+ /* pSMB->old_req.PasswordLength = */ /* BB fixme BB */
+ } else /* type CIFS_NTLM */ {
+ pSMB->req_no_secext.Capabilities = cpu_to_le32(capabilities);
+ pSMB->req_no_secext.CaseInsensitivePasswordLength =
+ cpu_to_le16(CIFS_SESSION_KEY_SIZE);
+ pSMB->req_no_secext.CaseSensitivePasswordLength =
+ cpu_to_le16(CIFS_SESSION_KEY_SIZE);
+ }
+
+
+ /* copy session key */
+
+ /* if Unicode, align strings to two byte boundary */
+
+ /* copy user name */ /* BB Do we need to special case null user name? */
+
+ /* copy domain name */
+
+ /* copy Linux version */
+
+ /* copy network operating system name */
+
+ /* update bcc and smb buffer length */
+
+/* rc = SendReceive2(xid, ses, iov, num_iovecs, &resp_buf_type, 0); */
+ /* SMB request buf freed in SendReceive2 */
+
+ return rc;
+}
+#endif /* CONFIG_CIFS_EXPERIMENTAL */
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